diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-02 22:48:07 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-02 22:48:07 +0400 |
| commit | d210267741fb2a8b6d741d9040703683a39087f4 (patch) | |
| tree | bfc1cdf7925644367cec4c82f2a5fb6d4c51a8eb /drivers/staging/iio | |
| parent | 69964ea4c7b68c9399f7977aa5b9aa6539a6a98a (diff) | |
| parent | 5bb196ad29c58c3e69dde8ed34b99a07c0719e7f (diff) | |
| download | linux-d210267741fb2a8b6d741d9040703683a39087f4.tar.xz | |
Merge 3.4-rc5 into staging-next
This resolves the conflict in:
drivers/staging/vt6656/ioctl.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/iio')
157 files changed, 5571 insertions, 6938 deletions
diff --git a/drivers/staging/iio/Documentation/device.txt b/drivers/staging/iio/Documentation/device.txt index 8926f2448cc9..0338c7cd0a8b 100644 --- a/drivers/staging/iio/Documentation/device.txt +++ b/drivers/staging/iio/Documentation/device.txt @@ -8,7 +8,7 @@ The crucial structure for device drivers in iio is iio_dev. First allocate one using: -struct iio_dev *indio_dev = iio_allocate_device(sizeof(struct chip_state)); +struct iio_dev *indio_dev = iio_device_alloc(sizeof(struct chip_state)); where chip_state is a structure of local state data for this instance of the chip. @@ -78,4 +78,4 @@ be registered afterwards (otherwise the whole parentage of devices gets confused) On remove, iio_device_unregister(indio_dev) will remove the device from -the core, and iio_free_device will clean up. +the core, and iio_device_free will clean up. diff --git a/drivers/staging/iio/Documentation/generic_buffer.c b/drivers/staging/iio/Documentation/generic_buffer.c index 69a05b9456d6..bf553356fdad 100644 --- a/drivers/staging/iio/Documentation/generic_buffer.c +++ b/drivers/staging/iio/Documentation/generic_buffer.c @@ -60,9 +60,9 @@ void print2byte(int input, struct iio_channel_info *info) /* First swap if incorrect endian */ if (info->be) - input = be16toh((uint_16t)input); + input = be16toh((uint16_t)input); else - input = le16toh((uint_16t)input); + input = le16toh((uint16_t)input); /* shift before conversion to avoid sign extension of left aligned data */ diff --git a/drivers/staging/iio/Documentation/iio_event_monitor.c b/drivers/staging/iio/Documentation/iio_event_monitor.c index 0d21a277305f..22275845fb12 100644 --- a/drivers/staging/iio/Documentation/iio_event_monitor.c +++ b/drivers/staging/iio/Documentation/iio_event_monitor.c @@ -27,7 +27,7 @@ #include <fcntl.h> #include <sys/ioctl.h> #include "iio_utils.h" -#include "../events.h" +#include <linux/iio/events.h> static const char * const iio_chan_type_name_spec[] = { [IIO_VOLTAGE] = "voltage", diff --git a/drivers/staging/iio/Documentation/light/sysfs-bus-iio-light-tsl2583 b/drivers/staging/iio/Documentation/light/sysfs-bus-iio-light-tsl2583 new file mode 100755 index 000000000000..470f7ad9c073 --- /dev/null +++ b/drivers/staging/iio/Documentation/light/sysfs-bus-iio-light-tsl2583 @@ -0,0 +1,6 @@ +What: /sys/bus/iio/devices/device[n]/in_illuminance0_calibrate +KernelVersion: 2.6.37 +Contact: linux-iio@vger.kernel.org +Description: + This property causes an internal calibration of the als gain trim + value which is later used in calculating illuminance in lux. diff --git a/drivers/staging/iio/Documentation/light/sysfs-bus-iio-light-tsl2x7x b/drivers/staging/iio/Documentation/light/sysfs-bus-iio-light-tsl2x7x new file mode 100755 index 000000000000..b2798b258bf7 --- /dev/null +++ b/drivers/staging/iio/Documentation/light/sysfs-bus-iio-light-tsl2x7x @@ -0,0 +1,13 @@ +What: /sys/bus/iio/devices/device[n]/in_illuminance0_calibrate +KernelVersion: 3.3-rc1 +Contact: linux-iio@vger.kernel.org +Description: + Causes an internal calibration of the als gain trim + value which is later used in calculating illuminance in lux. + +What: /sys/bus/iio/devices/device[n]/in_proximity0_calibrate +KernelVersion: 3.3-rc1 +Contact: linux-iio@vger.kernel.org +Description: + Causes a recalculation and adjustment to the + proximity_thresh_rising_value. diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio b/drivers/staging/iio/Documentation/sysfs-bus-iio deleted file mode 100644 index 46a995d6d261..000000000000 --- a/drivers/staging/iio/Documentation/sysfs-bus-iio +++ /dev/null @@ -1,741 +0,0 @@ -What: /sys/bus/iio/devices/iio:deviceX -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Hardware chip or device accessed by one communication port. - Corresponds to a grouping of sensor channels. X is the IIO - index of the device. - -What: /sys/bus/iio/devices/triggerX -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - An event driven driver of data capture to an in kernel buffer. - May be provided by a device driver that also has an IIO device - based on hardware generated events (e.g. data ready) or - provided by a separate driver for other hardware (e.g. - periodic timer, GPIO or high resolution timer). - Contains trigger type specific elements. These do not - generalize well and hence are not documented in this file. - X is the IIO index of the trigger. - -What: /sys/bus/iio/devices/iio:deviceX/buffer -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Directory of attributes relating to the buffer for the device. - -What: /sys/bus/iio/devices/iio:deviceX/name -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Description of the physical chip / device for device X. - Typically a part number. - -What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency -What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency -What: /sys/bus/iio/devices/triggerX/sampling_frequency -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Some devices have internal clocks. This parameter sets the - resulting sampling frequency. In many devices this - parameter has an effect on input filters etc rather than - simply controlling when the input is sampled. As this - effects datardy triggers, hardware buffers and the sysfs - direct access interfaces, it may be found in any of the - relevant directories. If it effects all of the above - then it is to be found in the base device directory. - -What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency_available -What: /sys/.../iio:deviceX/buffer/sampling_frequency_available -What: /sys/bus/iio/devices/triggerX/sampling_frequency_available -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - When the internal sampling clock can only take a small - discrete set of values, this file lists those available. - -What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio -KernelVersion: 2.6.38 -Contact: linux-iio@vger.kernel.org -Description: - Hardware dependent ADC oversampling. Controls the sampling ratio - of the digital filter if available. - -What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio_available -KernelVersion: 2.6.38 -Contact: linux-iio@vger.kernel.org -Description: - Hardware dependent values supported by the oversampling filter. - -What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_raw -What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_raw -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Raw (unscaled no bias removal etc) voltage measurement from - channel Y. In special cases where the channel does not - correspond to externally available input one of the named - versions may be used. The number must always be specified and - unique to allow association with event codes. Units after - application of scale and offset are microvolts. - -What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_raw -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Raw (unscaled) differential voltage measurement equivalent to - channel Y - channel Z where these channel numbers apply to the - physically equivalent inputs when non differential readings are - separately available. In differential only parts, then all that - is required is a consistent labeling. Units after application - of scale and offset are microvolts. - -What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceY_raw -KernelVersion: 3.2 -Contact: linux-iio@vger.kernel.org -Description: - Raw capacitance measurement from channel Y. Units after - application of scale and offset are nanofarads. - -What: /sys/.../iio:deviceX/in_capacitanceY-in_capacitanceZ_raw -KernelVersion: 3.2 -Contact: linux-iio@vger.kernel.org -Description: - Raw differential capacitance measurement equivalent to - channel Y - channel Z where these channel numbers apply to the - physically equivalent inputs when non differential readings are - separately available. In differential only parts, then all that - is required is a consistent labeling. Units after application - of scale and offset are nanofarads.. - -What: /sys/bus/iio/devices/iio:deviceX/in_temp_raw -What: /sys/bus/iio/devices/iio:deviceX/in_tempX_raw -What: /sys/bus/iio/devices/iio:deviceX/in_temp_x_raw -What: /sys/bus/iio/devices/iio:deviceX/in_temp_y_raw -What: /sys/bus/iio/devices/iio:deviceX/in_temp_z_raw -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Raw (unscaled no bias removal etc) temperature measurement. - It an axis is specified it generally means that the temperature - sensor is associated with one part of a compound device (e.g. - a gyroscope axis). Units after application of scale and offset - are milli degrees Celsuis. - -What: /sys/bus/iio/devices/iio:deviceX/in_tempX_input -KernelVersion: 2.6.38 -Contact: linux-iio@vger.kernel.org -Description: - Scaled temperature measurement in milli degrees Celsius. - -What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_raw -What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_raw -What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_raw -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Acceleration in direction x, y or z (may be arbitrarily assigned - but should match other such assignments on device). - Has all of the equivalent parameters as per voltageY. Units - after application of scale and offset are m/s^2. - -What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw -What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw -What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Angular velocity about axis x, y or z (may be arbitrarily - assigned) Data converted by application of offset then scale to - radians per second. Has all the equivalent parameters as - per voltageY. Units after application of scale and offset are - radians per second. - -What: /sys/bus/iio/devices/iio:deviceX/in_incli_x_raw -What: /sys/bus/iio/devices/iio:deviceX/in_incli_y_raw -What: /sys/bus/iio/devices/iio:deviceX/in_incli_z_raw -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Inclination raw reading about axis x, y or z (may be - arbitrarily assigned). Data converted by application of offset - and scale to Degrees. - -What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_raw -What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_raw -What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_raw -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Magnetic field along axis x, y or z (may be arbitrarily - assigned). Data converted by application of offset - then scale to Gauss. - -What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_peak_raw -What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_peak_raw -What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_peak_raw -KernelVersion: 2.6.36 -Contact: linux-iio@vger.kernel.org -Description: - Highest value since some reset condition. These - attributes allow access to this and are otherwise - the direct equivalent of the <type>Y[_name]_raw attributes. - -What: /sys/bus/iio/devices/iio:deviceX/in_accel_xyz_squared_peak_raw -KernelVersion: 2.6.36 -Contact: linux-iio@vger.kernel.org -Description: - A computed peak value based on the sum squared magnitude of - the underlying value in the specified directions. - -What: /sys/bus/iio/devices/iio:deviceX/in_accel_offset -What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_offset -What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset -What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_offset -What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_offset -What: /sys/bus/iio/devices/iio:deviceX/in_voltage_offset -What: /sys/bus/iio/devices/iio:deviceX/in_tempY_offset -What: /sys/bus/iio/devices/iio:deviceX/in_temp_offset -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - If known for a device, offset to be added to <type>[Y]_raw prior - to scaling by <type>[Y]_scale in order to obtain value in the - <type> units as specified in <type>[y]_raw documentation. - Not present if the offset is always 0 or unknown. If Y or - axis <x|y|z> is not present, then the offset applies to all - in channels of <type>. - May be writable if a variable offset can be applied on the - device. Note that this is different to calibbias which - is for devices (or drivers) that apply offsets to compensate - for variation between different instances of the part, typically - adjusted by using some hardware supported calibration procedure. - Calibbias is applied internally, offset is applied in userspace - to the _raw output. - -What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale -What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale -What: /sys/bus/iio/devices/iio:deviceX/in_voltage_scale -What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale -What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale -What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale -What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale -What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale -What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale -What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale -What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_scale -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - If known for a device, scale to be applied to <type>Y[_name]_raw - post addition of <type>[Y][_name]_offset in order to obtain the - measured value in <type> units as specified in - <type>[Y][_name]_raw documentation.. If shared across all in - channels then Y and <x|y|z> are not present and the value is - called <type>[Y][_name]_scale. The peak modifier means this - value is applied to <type>Y[_name]_peak_raw values. - -What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibbias -What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibbias -What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibbias -What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibbias -What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibbias -What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibbias -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Hardware applied calibration offset. (assumed to fix production - inaccuracies). - -What /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale -What /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_calibscale -What /sys/bus/iio/devices/iio:deviceX/in_voltage_calibscale -What /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibscale -What /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibscale -What /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibscale -What /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibscale -What /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibscale -What /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibscale -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Hardware applied calibration scale factor. (assumed to fix - production inaccuracies). If shared across all channels, - <type>_calibscale is used. - -What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available -What: /sys/.../iio:deviceX/in_voltageX_scale_available -What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available -What: /sys/.../iio:deviceX/out_voltageX_scale_available -What: /sys/.../iio:deviceX/in_capacitance_scale_available -KernelVersion: 2.635 -Contact: linux-iio@vger.kernel.org -Description: - If a discrete set of scale values are available, they - are listed in this attribute. - -What: /sys/.../in_accel_filter_low_pass_3db_frequency -What: /sys/.../in_magn_filter_low_pass_3db_frequency -What: /sys/.../in_anglvel_filter_low_pass_3db_frequency -KernelVersion: 3.2 -Contact: linux-iio@vger.kernel.org -Description: - If a known or controllable low pass filter is applied - to the underlying data channel, then this parameter - gives the 3dB frequency of the filter in Hz. - -What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Raw (unscaled, no bias etc.) output voltage for - channel Y. The number must always be specified and - unique if the output corresponds to a single channel. - -What: /sys/bus/iio/devices/iio:deviceX/out_voltageY&Z_raw -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Raw (unscaled, no bias etc.) output voltage for an aggregate of - channel Y, channel Z, etc. This interface is available in cases - where a single output sets the value for multiple channels - simultaneously. - -What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown_mode -What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown_mode -KernelVersion: 2.6.38 -Contact: linux-iio@vger.kernel.org -Description: - Specifies the output powerdown mode. - DAC output stage is disconnected from the amplifier and - 1kohm_to_gnd: connected to ground via an 1kOhm resistor - 100kohm_to_gnd: connected to ground via an 100kOhm resistor - three_state: left floating - For a list of available output power down options read - outX_powerdown_mode_available. If Y is not present the - mode is shared across all outputs. - -What: /sys/.../iio:deviceX/out_votlageY_powerdown_mode_available -What: /sys/.../iio:deviceX/out_voltage_powerdown_mode_available -KernelVersion: 2.6.38 -Contact: linux-iio@vger.kernel.org -Description: - Lists all available output power down modes. - If Y is not present the mode is shared across all outputs. - -What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown -What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown -KernelVersion: 2.6.38 -Contact: linux-iio@vger.kernel.org -Description: - Writing 1 causes output Y to enter the power down mode specified - by the corresponding outY_powerdown_mode. Clearing returns to - normal operation. Y may be suppressed if all outputs are - controlled together. - -What: /sys/bus/iio/devices/iio:deviceX/events -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Configuration of which hardware generated events are passed up - to user-space. - -What: /sys/.../iio:deviceX/events/in_accel_x_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_accel_x_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_accel_y_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_accel_y_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_accel_z_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_accel_z_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_magn_x_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_magn_x_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_magn_y_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_magn_y_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_magn_z_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_magn_z_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_voltageY_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_voltageY_thresh_falling_en -What: /sys/.../iio:deviceX/events/in_tempY_thresh_rising_en -What: /sys/.../iio:deviceX/events/in_tempY_thresh_falling_en -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Event generated when channel passes a threshold in the specified - (_rising|_falling) direction. If the direction is not specified, - then either the device will report an event which ever direction - a single threshold value is passed in (e.g. - <type>[Y][_name]_<raw|input>_thresh_value) or - <type>[Y][_name]_<raw|input>_thresh_rising_value and - <type>[Y][_name]_<raw|input>_thresh_falling_value may take - different values, but the device can only enable both thresholds - or neither. - Note the driver will assume the last p events requested are - to be enabled where p is however many it supports (which may - vary depending on the exact set requested. So if you want to be - sure you have set what you think you have, check the contents of - these attributes after everything is configured. Drivers may - have to buffer any parameters so that they are consistent when - a given event type is enabled a future point (and not those for - whatever event was previously enabled). - -What: /sys/.../iio:deviceX/events/in_accel_x_roc_rising_en -What: /sys/.../iio:deviceX/events/in_accel_x_roc_falling_en -What: /sys/.../iio:deviceX/events/in_accel_y_roc_rising_en -What: /sys/.../iio:deviceX/events/in_accel_y_roc_falling_en -What: /sys/.../iio:deviceX/events/in_accel_z_roc_rising_en -What: /sys/.../iio:deviceX/events/in_accel_z_roc_falling_en -What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_rising_en -What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_falling_en -What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_rising_en -What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_falling_en -What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_rising_en -What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_falling_en -What: /sys/.../iio:deviceX/events/in_magn_x_roc_rising_en -What: /sys/.../iio:deviceX/events/in_magn_x_roc_falling_en -What: /sys/.../iio:deviceX/events/in_magn_y_roc_rising_en -What: /sys/.../iio:deviceX/events/in_magn_y_roc_falling_en -What: /sys/.../iio:deviceX/events/in_magn_z_roc_rising_en -What: /sys/.../iio:deviceX/events/in_magn_z_roc_falling_en -What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_rising_en -What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_falling_en -What: /sys/.../iio:deviceX/events/in_voltageY_roc_rising_en -What: /sys/.../iio:deviceX/events/in_voltageY_roc_falling_en -What: /sys/.../iio:deviceX/events/in_tempY_roc_rising_en -What: /sys/.../iio:deviceX/events/in_tempY_roc_falling_en -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Event generated when channel passes a threshold on the rate of - change (1st differential) in the specified (_rising|_falling) - direction. If the direction is not specified, then either the - device will report an event which ever direction a single - threshold value is passed in (e.g. - <type>[Y][_name]_<raw|input>_roc_value) or - <type>[Y][_name]_<raw|input>_roc_rising_value and - <type>[Y][_name]_<raw|input>_roc_falling_value may take - different values, but the device can only enable both rate of - change thresholds or neither. - Note the driver will assume the last p events requested are - to be enabled where p is however many it supports (which may - vary depending on the exact set requested. So if you want to be - sure you have set what you think you have, check the contents of - these attributes after everything is configured. Drivers may - have to buffer any parameters so that they are consistent when - a given event type is enabled a future point (and not those for - whatever event was previously enabled). - -What: /sys/.../events/in_accel_x_raw_thresh_rising_value -What: /sys/.../events/in_accel_x_raw_thresh_falling_value -What: /sys/.../events/in_accel_y_raw_thresh_rising_value -What: /sys/.../events/in_accel_y_raw_thresh_falling_value -What: /sys/.../events/in_accel_z_raw_thresh_rising_value -What: /sys/.../events/in_accel_z_raw_thresh_falling_value -What: /sys/.../events/in_anglvel_x_raw_thresh_rising_value -What: /sys/.../events/in_anglvel_x_raw_thresh_falling_value -What: /sys/.../events/in_anglvel_y_raw_thresh_rising_value -What: /sys/.../events/in_anglvel_y_raw_thresh_falling_value -What: /sys/.../events/in_anglvel_z_raw_thresh_rising_value -What: /sys/.../events/in_anglvel_z_raw_thresh_falling_value -What: /sys/.../events/in_magn_x_raw_thresh_rising_value -What: /sys/.../events/in_magn_x_raw_thresh_falling_value -What: /sys/.../events/in_magn_y_raw_thresh_rising_value -What: /sys/.../events/in_magn_y_raw_thresh_falling_value -What: /sys/.../events/in_magn_z_raw_thresh_rising_value -What: /sys/.../events/in_magn_z_raw_thresh_falling_value -What: /sys/.../events/in_voltageY_supply_raw_thresh_rising_value -What: /sys/.../events/in_voltageY_supply_raw_thresh_falling_value -What: /sys/.../events/in_voltageY_raw_thresh_falling_value -What: /sys/.../events/in_voltageY_raw_thresh_falling_value -What: /sys/.../events/in_tempY_raw_thresh_falling_value -What: /sys/.../events/in_tempY_raw_thresh_falling_value -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Specifies the value of threshold that the device is comparing - against for the events enabled by - <type>Y[_name]_thresh[_rising|falling]_en. - If separate attributes exist for the two directions, but - direction is not specified for this attribute, then a single - threshold value applies to both directions. - The raw or input element of the name indicates whether the - value is in raw device units or in processed units (as _raw - and _input do on sysfs direct channel read attributes). - -What: /sys/.../events/in_accel_x_raw_roc_rising_value -What: /sys/.../events/in_accel_x_raw_roc_falling_value -What: /sys/.../events/in_accel_y_raw_roc_rising_value -What: /sys/.../events/in_accel_y_raw_roc_falling_value -What: /sys/.../events/in_accel_z_raw_roc_rising_value -What: /sys/.../events/in_accel_z_raw_roc_falling_value -What: /sys/.../events/in_anglvel_x_raw_roc_rising_value -What: /sys/.../events/in_anglvel_x_raw_roc_falling_value -What: /sys/.../events/in_anglvel_y_raw_roc_rising_value -What: /sys/.../events/in_anglvel_y_raw_roc_falling_value -What: /sys/.../events/in_anglvel_z_raw_roc_rising_value -What: /sys/.../events/in_anglvel_z_raw_roc_falling_value -What: /sys/.../events/in_magn_x_raw_roc_rising_value -What: /sys/.../events/in_magn_x_raw_roc_falling_value -What: /sys/.../events/in_magn_y_raw_roc_rising_value -What: /sys/.../events/in_magn_y_raw_roc_falling_value -What: /sys/.../events/in_magn_z_raw_roc_rising_value -What: /sys/.../events/in_magn_z_raw_roc_falling_value -What: /sys/.../events/in_voltageY_supply_raw_roc_rising_value -What: /sys/.../events/in_voltageY_supply_raw_roc_falling_value -What: /sys/.../events/in_voltageY_raw_roc_falling_value -What: /sys/.../events/in_voltageY_raw_roc_falling_value -What: /sys/.../events/in_tempY_raw_roc_falling_value -What: /sys/.../events/in_tempY_raw_roc_falling_value -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Specifies the value of rate of change threshold that the - device is comparing against for the events enabled by - <type>[Y][_name]_roc[_rising|falling]_en. - If separate attributes exist for the two directions, - but direction is not specified for this attribute, - then a single threshold value applies to both directions. - The raw or input element of the name indicates whether the - value is in raw device units or in processed units (as _raw - and _input do on sysfs direct channel read attributes). - -What: /sys/.../events/in_accel_x_thresh_rising_period -What: /sys/.../events/in_accel_x_thresh_falling_period -hat: /sys/.../events/in_accel_x_roc_rising_period -What: /sys/.../events/in_accel_x_roc_falling_period -What: /sys/.../events/in_accel_y_thresh_rising_period -What: /sys/.../events/in_accel_y_thresh_falling_period -What: /sys/.../events/in_accel_y_roc_rising_period -What: /sys/.../events/in_accel_y_roc_falling_period -What: /sys/.../events/in_accel_z_thresh_rising_period -What: /sys/.../events/in_accel_z_thresh_falling_period -What: /sys/.../events/in_accel_z_roc_rising_period -What: /sys/.../events/in_accel_z_roc_falling_period -What: /sys/.../events/in_anglvel_x_thresh_rising_period -What: /sys/.../events/in_anglvel_x_thresh_falling_period -What: /sys/.../events/in_anglvel_x_roc_rising_period -What: /sys/.../events/in_anglvel_x_roc_falling_period -What: /sys/.../events/in_anglvel_y_thresh_rising_period -What: /sys/.../events/in_anglvel_y_thresh_falling_period -What: /sys/.../events/in_anglvel_y_roc_rising_period -What: /sys/.../events/in_anglvel_y_roc_falling_period -What: /sys/.../events/in_anglvel_z_thresh_rising_period -What: /sys/.../events/in_anglvel_z_thresh_falling_period -What: /sys/.../events/in_anglvel_z_roc_rising_period -What: /sys/.../events/in_anglvel_z_roc_falling_period -What: /sys/.../events/in_magn_x_thresh_rising_period -What: /sys/.../events/in_magn_x_thresh_falling_period -What: /sys/.../events/in_magn_x_roc_rising_period -What: /sys/.../events/in_magn_x_roc_falling_period -What: /sys/.../events/in_magn_y_thresh_rising_period -What: /sys/.../events/in_magn_y_thresh_falling_period -What: /sys/.../events/in_magn_y_roc_rising_period -What: /sys/.../events/in_magn_y_roc_falling_period -What: /sys/.../events/in_magn_z_thresh_rising_period -What: /sys/.../events/in_magn_z_thresh_falling_period -What: /sys/.../events/in_magn_z_roc_rising_period -What: /sys/.../events/in_magn_z_roc_falling_period -What: /sys/.../events/in_voltageY_supply_thresh_rising_period -What: /sys/.../events/in_voltageY_supply_thresh_falling_period -What: /sys/.../events/in_voltageY_supply_roc_rising_period -What: /sys/.../events/in_voltageY_supply_roc_falling_period -What: /sys/.../events/in_voltageY_thresh_rising_period -What: /sys/.../events/in_voltageY_thresh_falling_period -What: /sys/.../events/in_voltageY_roc_rising_period -What: /sys/.../events/in_voltageY_roc_falling_period -What: /sys/.../events/in_tempY_thresh_rising_period -What: /sys/.../events/in_tempY_thresh_falling_period -What: /sys/.../events/in_tempY_roc_rising_period -What: /sys/.../events/in_tempY_roc_falling_period -What: /sys/.../events/in_accel_x&y&z_mag_falling_period -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Period of time (in seconds) for which the condition must be - met before an event is generated. If direction is not - specified then this period applies to both directions. - -What: /sys/.../iio:deviceX/events/in_accel_mag_en -What: /sys/.../iio:deviceX/events/in_accel_mag_rising_en -What: /sys/.../iio:deviceX/events/in_accel_mag_falling_en -What: /sys/.../iio:deviceX/events/in_accel_x_mag_en -What: /sys/.../iio:deviceX/events/in_accel_x_mag_rising_en -What: /sys/.../iio:deviceX/events/in_accel_x_mag_falling_en -What: /sys/.../iio:deviceX/events/in_accel_y_mag_en -What: /sys/.../iio:deviceX/events/in_accel_y_mag_rising_en -What: /sys/.../iio:deviceX/events/in_accel_y_mag_falling_en -What: /sys/.../iio:deviceX/events/in_accel_z_mag_en -What: /sys/.../iio:deviceX/events/in_accel_z_mag_rising_en -What: /sys/.../iio:deviceX/events/in_accel_z_mag_falling_en -What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_rising_en -What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_falling_en -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Similar to in_accel_x_thresh[_rising|_falling]_en, but here the - magnitude of the channel is compared to the threshold, not its - signed value. - -What: /sys/.../events/in_accel_raw_mag_value -What: /sys/.../events/in_accel_x_raw_mag_rising_value -What: /sys/.../events/in_accel_y_raw_mag_rising_value -What: /sys/.../events/in_accel_z_raw_mag_rising_value -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - The value to which the magnitude of the channel is compared. If - number or direction is not specified, applies to all channels of - this type. - -What: /sys/bus/iio/devices/iio:deviceX/trigger/current_trigger -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - The name of the trigger source being used, as per string given - in /sys/class/iio/triggerY/name. - -What: /sys/bus/iio/devices/iio:deviceX/buffer/length -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Number of scans contained by the buffer. - -What: /sys/bus/iio/devices/iio:deviceX/buffer/bytes_per_datum -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Bytes per scan. Due to alignment fun, the scan may be larger - than implied directly by the scan_element parameters. - -What: /sys/bus/iio/devices/iio:deviceX/buffer/enable -KernelVersion: 2.6.35 -Contact: linux-iio@vger.kernel.org -Description: - Actually start the buffer capture up. Will start trigger - if first device and appropriate. - -What: /sys/bus/iio/devices/iio:deviceX/buffer/scan_elements -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Directory containing interfaces for elements that will be - captured for a single triggered sample set in the buffer. - -What: /sys/.../buffer/scan_elements/in_accel_x_en -What: /sys/.../buffer/scan_elements/in_accel_y_en -What: /sys/.../buffer/scan_elements/in_accel_z_en -What: /sys/.../buffer/scan_elements/in_anglvel_x_en -What: /sys/.../buffer/scan_elements/in_anglvel_y_en -What: /sys/.../buffer/scan_elements/in_anglvel_z_en -What: /sys/.../buffer/scan_elements/in_magn_x_en -What: /sys/.../buffer/scan_elements/in_magn_y_en -What: /sys/.../buffer/scan_elements/in_magn_z_en -What: /sys/.../buffer/scan_elements/in_timestamp_en -What: /sys/.../buffer/scan_elements/in_voltageY_supply_en -What: /sys/.../buffer/scan_elements/in_voltageY_en -What: /sys/.../buffer/scan_elements/in_voltageY-voltageZ_en -What: /sys/.../buffer/scan_elements/in_incli_x_en -What: /sys/.../buffer/scan_elements/in_incli_y_en -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Scan element control for triggered data capture. - -What: /sys/.../buffer/scan_elements/in_accel_type -What: /sys/.../buffer/scan_elements/in_anglvel_type -What: /sys/.../buffer/scan_elements/in_magn_type -What: /sys/.../buffer/scan_elements/in_incli_type -What: /sys/.../buffer/scan_elements/in_voltageY_type -What: /sys/.../buffer/scan_elements/in_voltage-in_type -What: /sys/.../buffer/scan_elements/in_voltageY_supply_type -What: /sys/.../buffer/scan_elements/in_timestamp_type -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Description of the scan element data storage within the buffer - and hence the form in which it is read from user-space. - Form is [be|le]:[s|u]bits/storagebits[>>shift]. - be or le specifies big or little endian. s or u specifies if - signed (2's complement) or unsigned. bits is the number of bits - of data and storagebits is the space (after padding) that it - occupies in the buffer. shift if specified, is the shift that - needs to be applied prior to masking out unused bits. Some - devices put their data in the middle of the transferred elements - with additional information on both sides. Note that some - devices will have additional information in the unused bits - so to get a clean value, the bits value must be used to mask - the buffer output value appropriately. The storagebits value - also specifies the data alignment. So s48/64>>2 will be a - signed 48 bit integer stored in a 64 bit location aligned to - a a64 bit boundary. To obtain the clean value, shift right 2 - and apply a mask to zero the top 16 bits of the result. - For other storage combinations this attribute will be extended - appropriately. - -What: /sys/.../buffer/scan_elements/in_accel_type_available -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - If the type parameter can take one of a small set of values, - this attribute lists them. - -What: /sys/.../buffer/scan_elements/in_voltageY_index -What: /sys/.../buffer/scan_elements/in_voltageY_supply_index -What: /sys/.../buffer/scan_elements/in_accel_x_index -What: /sys/.../buffer/scan_elements/in_accel_y_index -What: /sys/.../buffer/scan_elements/in_accel_z_index -What: /sys/.../buffer/scan_elements/in_anglvel_x_index -What: /sys/.../buffer/scan_elements/in_anglvel_y_index -What: /sys/.../buffer/scan_elements/in_anglvel_z_index -What: /sys/.../buffer/scan_elements/in_magn_x_index -What: /sys/.../buffer/scan_elements/in_magn_y_index -What: /sys/.../buffer/scan_elements/in_magn_z_index -What: /sys/.../buffer/scan_elements/in_incli_x_index -What: /sys/.../buffer/scan_elements/in_incli_y_index -What: /sys/.../buffer/scan_elements/in_timestamp_index -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - A single positive integer specifying the position of this - scan element in the buffer. Note these are not dependent on - what is enabled and may not be contiguous. Thus for user-space - to establish the full layout these must be used in conjunction - with all _en attributes to establish which channels are present, - and the relevant _type attributes to establish the data storage - format. - -What: /sys/.../iio:deviceX/in_anglvel_z_quadrature_correction_raw -KernelVersion: 2.6.38 -Contact: linux-iio@vger.kernel.org -Description: - This attribute is used to read the amount of quadrature error - present in the device at a given time. - -What: /sys/.../iio:deviceX/ac_excitation_en -KernelVersion: 3.1.0 -Contact: linux-iio@vger.kernel.org -Description: - This attribute, if available, is used to enable the AC - excitation mode found on some converters. In ac excitation mode, - the polarity of the excitation voltage is reversed on - alternate cycles, to eliminate DC errors. - -What: /sys/.../iio:deviceX/bridge_switch_en -KernelVersion: 3.1.0 -Contact: linux-iio@vger.kernel.org -Description: - This attribute, if available, is used to close or open the - bridge power down switch found on some converters. - In bridge applications, such as strain gauges and load cells, - the bridge itself consumes the majority of the current in the - system. To minimize the current consumption of the system, - the bridge can be disconnected (when it is not being used - using the bridge_switch_en attribute. diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 b/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 new file mode 100644 index 000000000000..1c35c507cc05 --- /dev/null +++ b/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 @@ -0,0 +1,20 @@ +What: /sys/.../iio:deviceX/ac_excitation_en +KernelVersion: 3.1.0 +Contact: linux-iio@vger.kernel.org +Description: + This attribute, if available, is used to enable the AC + excitation mode found on some converters. In ac excitation mode, + the polarity of the excitation voltage is reversed on + alternate cycles, to eliminate DC errors. + +What: /sys/.../iio:deviceX/bridge_switch_en +KernelVersion: 3.1.0 +Contact: linux-iio@vger.kernel.org +Description: + This attribute, if available, is used to close or open the + bridge power down switch found on some converters. + In bridge applications, such as strain gauges and load cells, + the bridge itself consumes the majority of the current in the + system. To minimize the current consumption of the system, + the bridge can be disconnected (when it is not being used + using the bridge_switch_en attribute. diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio-dds b/drivers/staging/iio/Documentation/sysfs-bus-iio-dds index ffdd5478a35d..ee8c509c6733 100644 --- a/drivers/staging/iio/Documentation/sysfs-bus-iio-dds +++ b/drivers/staging/iio/Documentation/sysfs-bus-iio-dds @@ -1,83 +1,86 @@ -What: /sys/bus/iio/devices/.../ddsX_freqY +What: /sys/bus/iio/devices/.../out_altvoltageX_frequencyY KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: Stores frequency into tuning word Y. - There will be more than one ddsX_freqY file, which allows for - pin controlled FSK Frequency Shift Keying - (ddsX_pincontrol_freq_en is active) or the user can control - the desired active tuning word by writing Y to the - ddsX_freqsymbol file. + There will be more than one out_altvoltageX_frequencyY file, + which allows for pin controlled FSK Frequency Shift Keying + (out_altvoltageX_pincontrol_frequency_en is active) or the user + can control the desired active tuning word by writing Y to the + out_altvoltageX_frequencysymbol file. -What: /sys/bus/iio/devices/.../ddsX_freqY_scale +What: /sys/bus/iio/devices/.../out_altvoltageX_frequencyY_scale KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: - Scale to be applied to ddsX_freqY in order to obtain the - desired value in Hz. If shared across all frequency registers - Y is not present. It is also possible X is not present if - shared across all channels. + Scale to be applied to out_altvoltageX_frequencyY in order to + obtain the desired value in Hz. If shared across all frequency + registers Y is not present. It is also possible X is not present + if shared across all channels. -What: /sys/bus/iio/devices/.../ddsX_freqsymbol +What: /sys/bus/iio/devices/.../out_altvoltageX_frequencysymbol KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: Specifies the active output frequency tuning word. The value - corresponds to the Y in ddsX_freqY. To exit this mode the user - can write ddsX_pincontrol_freq_en or ddsX_out_enable file. + corresponds to the Y in out_altvoltageX_frequencyY. + To exit this mode the user can write + out_altvoltageX_pincontrol_frequency_en or + out_altvoltageX_out_enable file. -What: /sys/bus/iio/devices/.../ddsX_phaseY +What: /sys/bus/iio/devices/.../out_altvoltageX_phaseY KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: Stores phase into Y. - There will be more than one ddsX_phaseY file, which allows for - pin controlled PSK Phase Shift Keying - (ddsX_pincontrol_phase_en is active) or the user can + There will be more than one out_altvoltageX_phaseY file, which + allows for pin controlled PSK Phase Shift Keying + (out_altvoltageX_pincontrol_phase_en is active) or the user can control the desired phase Y which is added to the phase - accumulator output by writing Y to the en_phase file. + accumulator output by writing Y to the phase_en file. -What: /sys/bus/iio/devices/.../ddsX_phaseY_scale +What: /sys/bus/iio/devices/.../out_altvoltageX_phaseY_scale KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: - Scale to be applied to ddsX_phaseY in order to obtain the - desired value in rad. If shared across all phase registers + Scale to be applied to out_altvoltageX_phaseY in order to obtain + the desired value in rad. If shared across all phase registers Y is not present. It is also possible X is not present if shared across all channels. -What: /sys/bus/iio/devices/.../ddsX_phasesymbol +What: /sys/bus/iio/devices/.../out_altvoltageX_phasesymbol KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: Specifies the active phase Y which is added to the phase accumulator output. The value corresponds to the Y in - ddsX_phaseY. To exit this mode the user can write - ddsX_pincontrol_phase_en or disable file. + out_altvoltageX_phaseY. To exit this mode the user can write + out_altvoltageX_pincontrol_phase_en or disable file. -What: /sys/bus/iio/devices/.../ddsX_pincontrol_en -What: /sys/bus/iio/devices/.../ddsX_pincontrol_freq_en -What: /sys/bus/iio/devices/.../ddsX_pincontrol_phase_en +What: /sys/bus/iio/devices/.../out_altvoltageX_pincontrol_en +What: /sys/bus/iio/devices/.../out_altvoltageX_pincontrol_frequency_en +What: /sys/bus/iio/devices/.../out_altvoltageX_pincontrol_phase_en KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: - ddsX_pincontrol_en: Both, the active frequency and phase is - controlled by the respective phase and frequency control inputs. - In case the device in question allows to independent controls, - then there are dedicated files (ddsX_pincontrol_freq_en, - ddsX_pincontrol_phase_en). + out_altvoltageX_pincontrol_en: Both, the active frequency and + phase is controlled by the respective phase and frequency + control inputs. In case the device in features independent + controls, then there are dedicated files + (out_altvoltageX_pincontrol_frequency_en, + out_altvoltageX_pincontrol_phase_en). -What: /sys/bus/iio/devices/.../ddsX_out_enable -What: /sys/bus/iio/devices/.../ddsX_outY_enable +What: /sys/bus/iio/devices/.../out_altvoltageX_out_enable +What: /sys/bus/iio/devices/.../out_altvoltageX_outY_enable KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: - ddsX_outY_enable controls signal generation on output Y of - channel X. Y may be suppressed if all channels are + out_altvoltageX_outY_enable controls signal generation on + output Y of channel X. Y may be suppressed if all channels are controlled together. -What: /sys/bus/iio/devices/.../ddsX_outY_wavetype +What: /sys/bus/iio/devices/.../out_altvoltageX_outY_wavetype KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: @@ -86,7 +89,7 @@ Description: For a list of available output waveform options read available_output_modes. -What: /sys/bus/iio/devices/.../ddsX_outY_wavetype_available +What: /sys/bus/iio/devices/.../out_altvoltageX_outY_wavetype_available KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio-light b/drivers/staging/iio/Documentation/sysfs-bus-iio-light index edbf470e4e30..715c74dcb53a 100644 --- a/drivers/staging/iio/Documentation/sysfs-bus-iio-light +++ b/drivers/staging/iio/Documentation/sysfs-bus-iio-light @@ -26,7 +26,7 @@ Description: Hardware dependent list of possible values supported for the adc_resolution of the given sensor. -What: /sys/bus/iio/devices/device[n]/illuminance0[_input|_raw] +What: /sys/bus/iio/devices/device[n]/in_illuminance0[_input|_raw] KernelVersion: 2.6.35 Contact: linux-iio@vger.kernel.org Description: @@ -45,7 +45,7 @@ Description: do this calculation manually by reading the infrared sensor value and doing the negation in sw. -What: /sys/bus/iio/devices/device[n]/proximity[_input|_raw] +What: /sys/bus/iio/devices/device[n]/in_proximity[_input|_raw] KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: @@ -63,23 +63,22 @@ Description: and if expressed in SI units, should include _input. If this value is not in SI units, then it should include _raw. -What: /sys/bus/iio/devices/device[n]/illuminance0_target +What: /sys/bus/iio/devices/device[n]/in_illuminance0_target KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: This property gets/sets the last known external lux measurement used in/for calibration. -What: /sys/bus/iio/devices/device[n]/illuminance0_integration_time +What: /sys/bus/iio/devices/device[n]/in_illuminance0_integration_time KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: This property gets/sets the sensors ADC analog integration time. -What: /sys/bus/iio/devices/device[n]/illuminance0_calibscale +What: /sys/bus/iio/devices/device[n]/in_illuminance0_lux_table KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: - Hardware or software applied calibration scale factor assumed - to account for attenuation due to industrial design (glass - filters or aperture holes). + This property gets/sets the table of coefficients + used in calculating illuminance in lux. diff --git a/drivers/staging/iio/Documentation/trigger.txt b/drivers/staging/iio/Documentation/trigger.txt index fc2012ebc100..75cc37ff1ed0 100644 --- a/drivers/staging/iio/Documentation/trigger.txt +++ b/drivers/staging/iio/Documentation/trigger.txt @@ -5,7 +5,7 @@ an IIO device. Whilst this can create device specific complexities such triggers are registered with the core in the same way as stand-alone triggers. -struct iio_trig *trig = iio_allocate_trigger("<trigger format string>", ...); +struct iio_trig *trig = iio_trigger_alloc("<trigger format string>", ...); allocates a trigger structure. The key elements to then fill in within a driver are: diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig index fe1586718880..3c8e5ec26ac1 100644 --- a/drivers/staging/iio/Kconfig +++ b/drivers/staging/iio/Kconfig @@ -1,16 +1,9 @@ # # Industrial I/O subsytem configuration # +menu "IIO staging drivers" + depends on IIO -menuconfig IIO - tristate "Industrial I/O support" - depends on GENERIC_HARDIRQS - help - The industrial I/O subsystem provides a unified framework for - drivers for many different types of embedded sensors using a - number of different physical interfaces (i2c, spi, etc). See - drivers/staging/iio/Documentation for more information. -if IIO config IIO_ST_HWMON tristate "Hwmon driver that uses channels specified via iio maps" depends on HWMON @@ -19,12 +12,6 @@ config IIO_ST_HWMON map allows IIO devices to provide basic hwmon functionality for those channels specified in the map. -config IIO_BUFFER - bool "Enable buffer support within IIO" - help - Provide core support for various buffer based data - acquisition methods. - if IIO_BUFFER config IIO_SW_RING @@ -36,39 +23,14 @@ config IIO_SW_RING with the intention that some devices would be able to write in interrupt context. -config IIO_KFIFO_BUF - select IIO_TRIGGER - tristate "Industrial I/O buffering based on kfifo" - help - A simple fifo based on kfifo. Use this if you want a fifo - rather than a ring buffer. Note that this currently provides - no buffer events so it is up to userspace to work out how - often to read from the buffer. - endif # IIO_BUFFER -config IIO_TRIGGER - boolean "Enable triggered sampling support" - help - Provides IIO core support for triggers. Currently these - are used to initialize capture of samples to push into - ring buffers. The triggers are effectively a 'capture - data now' interrupt. - -config IIO_CONSUMERS_PER_TRIGGER - int "Maximum number of consumers per trigger" - depends on IIO_TRIGGER - default "2" - help - This value controls the maximum number of consumers that a - given trigger may handle. Default is 2. - source "drivers/staging/iio/accel/Kconfig" source "drivers/staging/iio/adc/Kconfig" source "drivers/staging/iio/addac/Kconfig" source "drivers/staging/iio/cdc/Kconfig" source "drivers/staging/iio/dac/Kconfig" -source "drivers/staging/iio/dds/Kconfig" +source "drivers/staging/iio/frequency/Kconfig" source "drivers/staging/iio/gyro/Kconfig" source "drivers/staging/iio/impedance-analyzer/Kconfig" source "drivers/staging/iio/imu/Kconfig" @@ -104,4 +66,4 @@ config IIO_SIMPLE_DUMMY_BUFFER endif # IIO_SIMPLE_DUMMY -endif # IIO +endmenu diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile index 5075291dda7a..6a46d5afb380 100644 --- a/drivers/staging/iio/Makefile +++ b/drivers/staging/iio/Makefile @@ -2,13 +2,7 @@ # Makefile for the industrial I/O core. # -obj-$(CONFIG_IIO) += industrialio.o -industrialio-y := industrialio-core.o industrialio-event.o inkern.o -industrialio-$(CONFIG_IIO_BUFFER) += industrialio-buffer.o -industrialio-$(CONFIG_IIO_TRIGGER) += industrialio-trigger.o - obj-$(CONFIG_IIO_SW_RING) += ring_sw.o -obj-$(CONFIG_IIO_KFIFO_BUF) += kfifo_buf.o obj-$(CONFIG_IIO_SIMPLE_DUMMY) += iio_dummy.o iio_dummy-y := iio_simple_dummy.o @@ -24,7 +18,7 @@ obj-y += adc/ obj-y += addac/ obj-y += cdc/ obj-y += dac/ -obj-y += dds/ +obj-y += frequency/ obj-y += gyro/ obj-y += impedance-analyzer/ obj-y += imu/ diff --git a/drivers/staging/iio/accel/adis16201_core.c b/drivers/staging/iio/accel/adis16201_core.c index d439e45d07fa..62667803c5a7 100644 --- a/drivers/staging/iio/accel/adis16201_core.c +++ b/drivers/staging/iio/accel/adis16201_core.c @@ -15,9 +15,9 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "adis16201.h" @@ -298,7 +298,7 @@ static int adis16201_read_raw(struct iio_dev *indio_dev, s16 val16; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); addr = adis16201_addresses[chan->address][0]; ret = adis16201_spi_read_reg_16(indio_dev, addr, &val16); @@ -406,39 +406,104 @@ static int adis16201_write_raw(struct iio_dev *indio_dev, } static struct iio_chan_spec adis16201_channels[] = { - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "supply", 0, 0, + { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .extend_name = "supply", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - in_supply, ADIS16201_SCAN_SUPPLY, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0, + .address = in_supply, + .scan_index = ADIS16201_SCAN_SUPPLY, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_TEMP, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT | IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, - temp, ADIS16201_SCAN_TEMP, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_X, + .address = temp, + .scan_index = ADIS16201_SCAN_TEMP, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_ACCEL, + .modified = 1, + .channel2 = IIO_MOD_X, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - accel_x, ADIS16201_SCAN_ACC_X, - IIO_ST('s', 14, 16, 0), 0), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Y, + .address = accel_x, + .scan_index = ADIS16201_SCAN_ACC_X, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_ACCEL, + .modified = 1, + .channel2 = IIO_MOD_Y, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - accel_y, ADIS16201_SCAN_ACC_Y, - IIO_ST('s', 14, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 1, 0, + .address = accel_y, + .scan_index = ADIS16201_SCAN_ACC_Y, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - in_aux, ADIS16201_SCAN_AUX_ADC, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_X, + .address = in_aux, + .scan_index = ADIS16201_SCAN_AUX_ADC, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_INCLI, + .modified = 1, + .channel2 = IIO_MOD_X, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - incli_x, ADIS16201_SCAN_INCLI_X, - IIO_ST('s', 14, 16, 0), 0), - IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_Y, + .address = incli_x, + .scan_index = ADIS16201_SCAN_INCLI_X, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_INCLI, + .modified = 1, + .channel2 = IIO_MOD_Y, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - incli_y, ADIS16201_SCAN_INCLI_Y, - IIO_ST('s', 14, 16, 0), 0), + .address = incli_y, + .scan_index = ADIS16201_SCAN_INCLI_Y, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, IIO_CHAN_SOFT_TIMESTAMP(7) }; @@ -467,7 +532,7 @@ static int __devinit adis16201_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -522,7 +587,7 @@ error_uninitialize_ring: error_unreg_ring_funcs: adis16201_unconfigure_ring(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -535,7 +600,7 @@ static int adis16201_remove(struct spi_device *spi) adis16201_remove_trigger(indio_dev); iio_buffer_unregister(indio_dev); adis16201_unconfigure_ring(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/accel/adis16201_ring.c b/drivers/staging/iio/accel/adis16201_ring.c index 97f9e6b159d9..247602a8e54c 100644 --- a/drivers/staging/iio/accel/adis16201_ring.c +++ b/drivers/staging/iio/accel/adis16201_ring.c @@ -5,9 +5,9 @@ #include <linux/spi/spi.h> #include <linux/slab.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "adis16201.h" @@ -66,9 +66,8 @@ static irqreturn_t adis16201_trigger_handler(int irq, void *p) int i = 0; s16 *data; - size_t datasize = ring->access->get_bytes_per_datum(ring); - data = kmalloc(datasize, GFP_KERNEL); + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) { dev_err(&st->us->dev, "memory alloc failed in ring bh"); return -ENOMEM; @@ -81,7 +80,7 @@ static irqreturn_t adis16201_trigger_handler(int irq, void *p) data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2])); /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) *((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp; ring->access->store_to(ring, (u8 *)data, pf->timestamp); diff --git a/drivers/staging/iio/accel/adis16201_trigger.c b/drivers/staging/iio/accel/adis16201_trigger.c index bce505e716d0..96fdabbac201 100644 --- a/drivers/staging/iio/accel/adis16201_trigger.c +++ b/drivers/staging/iio/accel/adis16201_trigger.c @@ -3,8 +3,8 @@ #include <linux/spi/spi.h> #include <linux/export.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> #include "adis16201.h" /** @@ -29,7 +29,7 @@ int adis16201_probe_trigger(struct iio_dev *indio_dev) int ret; struct adis16201_state *st = iio_priv(indio_dev); - st->trig = iio_allocate_trigger("adis16201-dev%d", indio_dev->id); + st->trig = iio_trigger_alloc("adis16201-dev%d", indio_dev->id); if (st->trig == NULL) { ret = -ENOMEM; goto error_ret; @@ -56,7 +56,7 @@ int adis16201_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->us->irq, st->trig); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -67,5 +67,5 @@ void adis16201_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(state->trig); free_irq(state->us->irq, state->trig); - iio_free_trigger(state->trig); + iio_trigger_free(state->trig); } diff --git a/drivers/staging/iio/accel/adis16203_core.c b/drivers/staging/iio/accel/adis16203_core.c index 1a5140f9e3f4..42d7eea06d1a 100644 --- a/drivers/staging/iio/accel/adis16203_core.c +++ b/drivers/staging/iio/accel/adis16203_core.c @@ -15,9 +15,9 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "adis16203.h" @@ -305,7 +305,7 @@ static int adis16203_read_raw(struct iio_dev *indio_dev, u8 addr; s16 val16; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); addr = adis16203_addresses[chan->address][0]; ret = adis16203_spi_read_reg_16(indio_dev, addr, &val16); @@ -372,29 +372,75 @@ static int adis16203_read_raw(struct iio_dev *indio_dev, } static struct iio_chan_spec adis16203_channels[] = { - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "supply", 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - in_supply, ADIS16203_SCAN_SUPPLY, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 1, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - in_aux, ADIS16203_SCAN_AUX_ADC, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_X, - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - incli_x, ADIS16203_SCAN_INCLI_X, - IIO_ST('s', 14, 16, 0), 0), - /* Fixme: Not what it appears to be - see data sheet */ - IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_Y, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - incli_y, ADIS16203_SCAN_INCLI_Y, - IIO_ST('s', 14, 16, 0), 0), - IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, - temp, ADIS16203_SCAN_TEMP, - IIO_ST('u', 12, 16, 0), 0), + { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .extend_name = "supply", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = in_supply, + .scan_index = ADIS16203_SCAN_SUPPLY, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = in_aux, + .scan_index = ADIS16203_SCAN_AUX_ADC, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_INCLI, + .modified = 1, + .channel2 = IIO_MOD_X, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .address = incli_x, + .scan_index = ADIS16203_SCAN_INCLI_X, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { /* Fixme: Not what it appears to be - see data sheet */ + .type = IIO_INCLI, + .modified = 1, + .channel2 = IIO_MOD_Y, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = incli_y, + .scan_index = ADIS16203_SCAN_INCLI_Y, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_TEMP, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, + .address = temp, + .scan_index = ADIS16203_SCAN_TEMP, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, IIO_CHAN_SOFT_TIMESTAMP(5), }; @@ -423,7 +469,7 @@ static int __devinit adis16203_probe(struct spi_device *spi) struct adis16203_state *st; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -477,7 +523,7 @@ error_uninitialize_ring: error_unreg_ring_funcs: adis16203_unconfigure_ring(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -490,7 +536,7 @@ static int adis16203_remove(struct spi_device *spi) adis16203_remove_trigger(indio_dev); iio_buffer_unregister(indio_dev); adis16203_unconfigure_ring(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/accel/adis16203_ring.c b/drivers/staging/iio/accel/adis16203_ring.c index 6a8963db4f60..2171f7483e71 100644 --- a/drivers/staging/iio/accel/adis16203_ring.c +++ b/drivers/staging/iio/accel/adis16203_ring.c @@ -5,9 +5,9 @@ #include <linux/spi/spi.h> #include <linux/slab.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "adis16203.h" /** @@ -66,9 +66,8 @@ static irqreturn_t adis16203_trigger_handler(int irq, void *p) int i = 0; s16 *data; - size_t datasize = ring->access->get_bytes_per_datum(ring); - data = kmalloc(datasize, GFP_KERNEL); + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) { dev_err(&st->us->dev, "memory alloc failed in ring bh"); return -ENOMEM; @@ -81,7 +80,7 @@ static irqreturn_t adis16203_trigger_handler(int irq, void *p) data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2])); /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) *((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp; ring->access->store_to(ring, diff --git a/drivers/staging/iio/accel/adis16203_trigger.c b/drivers/staging/iio/accel/adis16203_trigger.c index 24bcb8e15c55..b8a04073d6d7 100644 --- a/drivers/staging/iio/accel/adis16203_trigger.c +++ b/drivers/staging/iio/accel/adis16203_trigger.c @@ -3,8 +3,8 @@ #include <linux/spi/spi.h> #include <linux/export.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> #include "adis16203.h" /** @@ -29,7 +29,7 @@ int adis16203_probe_trigger(struct iio_dev *indio_dev) int ret; struct adis16203_state *st = iio_priv(indio_dev); - st->trig = iio_allocate_trigger("adis16203-dev%d", indio_dev->id); + st->trig = iio_trigger_alloc("adis16203-dev%d", indio_dev->id); if (st->trig == NULL) { ret = -ENOMEM; goto error_ret; @@ -58,7 +58,7 @@ int adis16203_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->us->irq, st->trig); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -69,5 +69,5 @@ void adis16203_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(st->trig); free_irq(st->us->irq, st->trig); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } diff --git a/drivers/staging/iio/accel/adis16204_core.c b/drivers/staging/iio/accel/adis16204_core.c index fa89364b841e..eacda583313a 100644 --- a/drivers/staging/iio/accel/adis16204_core.c +++ b/drivers/staging/iio/accel/adis16204_core.c @@ -18,9 +18,9 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "adis16204.h" @@ -342,7 +342,7 @@ static int adis16204_read_raw(struct iio_dev *indio_dev, int addrind; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); addr = adis16204_addresses[chan->address][0]; ret = adis16204_spi_read_reg_16(indio_dev, addr, &val16); @@ -444,31 +444,78 @@ static int adis16204_write_raw(struct iio_dev *indio_dev, } static struct iio_chan_spec adis16204_channels[] = { - IIO_CHAN(IIO_VOLTAGE, 0, 0, 0, "supply", 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - in_supply, ADIS16204_SCAN_SUPPLY, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 1, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - in_aux, ADIS16204_SCAN_AUX_ADC, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, - temp, ADIS16204_SCAN_TEMP, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_X, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | - IIO_CHAN_INFO_PEAK_SEPARATE_BIT, - accel_x, ADIS16204_SCAN_ACC_X, - IIO_ST('s', 14, 16, 0), 0), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Y, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | - IIO_CHAN_INFO_PEAK_SEPARATE_BIT, - accel_y, ADIS16204_SCAN_ACC_Y, - IIO_ST('s', 14, 16, 0), 0), + { + .type = IIO_VOLTAGE, + .indexed = 1, /* Note was not previously indexed */ + .channel = 0, + .extend_name = "supply", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = in_supply, + .scan_index = ADIS16204_SCAN_SUPPLY, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = in_aux, + .scan_index = ADIS16204_SCAN_AUX_ADC, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_TEMP, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, + .address = temp, + .scan_index = ADIS16204_SCAN_TEMP, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_ACCEL, + .modified = 1, + .channel2 = IIO_MOD_X, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + IIO_CHAN_INFO_PEAK_SEPARATE_BIT, + .address = accel_x, + .scan_index = ADIS16204_SCAN_ACC_X, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_ACCEL, + .modified = 1, + .channel2 = IIO_MOD_Y, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + IIO_CHAN_INFO_PEAK_SEPARATE_BIT, + .address = accel_y, + .scan_index = ADIS16204_SCAN_ACC_Y, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, IIO_CHAN_SOFT_TIMESTAMP(5), }; @@ -498,7 +545,7 @@ static int __devinit adis16204_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -551,7 +598,7 @@ error_uninitialize_ring: error_unreg_ring_funcs: adis16204_unconfigure_ring(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -564,7 +611,7 @@ static int adis16204_remove(struct spi_device *spi) adis16204_remove_trigger(indio_dev); iio_buffer_unregister(indio_dev); adis16204_unconfigure_ring(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/accel/adis16204_ring.c b/drivers/staging/iio/accel/adis16204_ring.c index 5c8ab7338864..0a8b1255fd1c 100644 --- a/drivers/staging/iio/accel/adis16204_ring.c +++ b/drivers/staging/iio/accel/adis16204_ring.c @@ -5,9 +5,9 @@ #include <linux/spi/spi.h> #include <linux/slab.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "adis16204.h" /** @@ -63,9 +63,8 @@ static irqreturn_t adis16204_trigger_handler(int irq, void *p) struct iio_buffer *ring = indio_dev->buffer; int i = 0; s16 *data; - size_t datasize = ring->access->get_bytes_per_datum(ring); - data = kmalloc(datasize, GFP_KERNEL); + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) { dev_err(&st->us->dev, "memory alloc failed in ring bh"); return -ENOMEM; @@ -78,7 +77,7 @@ static irqreturn_t adis16204_trigger_handler(int irq, void *p) data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2])); /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) *((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp; ring->access->store_to(ring, (u8 *)data, pf->timestamp); diff --git a/drivers/staging/iio/accel/adis16204_trigger.c b/drivers/staging/iio/accel/adis16204_trigger.c index 6e542af02c09..408a1682368e 100644 --- a/drivers/staging/iio/accel/adis16204_trigger.c +++ b/drivers/staging/iio/accel/adis16204_trigger.c @@ -3,8 +3,8 @@ #include <linux/spi/spi.h> #include <linux/export.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> #include "adis16204.h" /** @@ -29,7 +29,7 @@ int adis16204_probe_trigger(struct iio_dev *indio_dev) int ret; struct adis16204_state *st = iio_priv(indio_dev); - st->trig = iio_allocate_trigger("adis16204-dev%d", indio_dev->id); + st->trig = iio_trigger_alloc("adis16204-dev%d", indio_dev->id); if (st->trig == NULL) { ret = -ENOMEM; goto error_ret; @@ -58,7 +58,7 @@ int adis16204_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->us->irq, st->trig); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -69,5 +69,5 @@ void adis16204_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(state->trig); free_irq(state->us->irq, state->trig); - iio_free_trigger(state->trig); + iio_trigger_free(state->trig); } diff --git a/drivers/staging/iio/accel/adis16209_core.c b/drivers/staging/iio/accel/adis16209_core.c index a98715f6bd6d..8e8dbe6b707d 100644 --- a/drivers/staging/iio/accel/adis16209_core.c +++ b/drivers/staging/iio/accel/adis16209_core.c @@ -16,9 +16,9 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "adis16209.h" @@ -331,7 +331,7 @@ static int adis16209_read_raw(struct iio_dev *indio_dev, s16 val16; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); addr = adis16209_addresses[chan->address][0]; ret = adis16209_spi_read_reg_16(indio_dev, addr, &val16); @@ -408,41 +408,114 @@ static int adis16209_read_raw(struct iio_dev *indio_dev, } static struct iio_chan_spec adis16209_channels[] = { - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - in_supply, ADIS16209_SCAN_SUPPLY, - IIO_ST('u', 14, 16, 0), 0), - IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, - temp, ADIS16209_SCAN_TEMP, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_X, - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - accel_x, ADIS16209_SCAN_ACC_X, - IIO_ST('s', 14, 16, 0), 0), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Y, - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - accel_y, ADIS16209_SCAN_ACC_Y, - IIO_ST('s', 14, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 1, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - in_aux, ADIS16209_SCAN_AUX_ADC, - IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_X, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - incli_x, ADIS16209_SCAN_INCLI_X, - IIO_ST('s', 14, 16, 0), 0), - IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_Y, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - incli_y, ADIS16209_SCAN_INCLI_Y, - IIO_ST('s', 14, 16, 0), 0), - IIO_CHAN(IIO_ROT, 0, 1, 0, NULL, 0, IIO_MOD_X, - 0, - rot, ADIS16209_SCAN_ROT, - IIO_ST('s', 14, 16, 0), 0), + { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .extend_name = "supply", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = in_supply, + .scan_index = ADIS16209_SCAN_SUPPLY, + .scan_type = { + .sign = 'u', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_TEMP, + .indexed = 0, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, + .address = temp, + .scan_index = ADIS16209_SCAN_TEMP, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_ACCEL, + .modified = 1, + .channel2 = IIO_MOD_X, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .address = accel_x, + .scan_index = ADIS16209_SCAN_ACC_X, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_ACCEL, + .modified = 1, + .channel2 = IIO_MOD_Y, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .address = accel_y, + .scan_index = ADIS16209_SCAN_ACC_Y, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = in_aux, + .scan_index = ADIS16209_SCAN_AUX_ADC, + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + }, + }, { + .type = IIO_INCLI, + .modified = 1, + .channel2 = IIO_MOD_X, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = incli_x, + .scan_index = ADIS16209_SCAN_INCLI_X, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_INCLI, + .modified = 1, + .channel2 = IIO_MOD_Y, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = incli_y, + .scan_index = ADIS16209_SCAN_INCLI_Y, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { + .type = IIO_ROT, + .modified = 1, + .channel2 = IIO_MOD_X, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + .address = rot, + .scan_index = ADIS16209_SCAN_ROT, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, IIO_CHAN_SOFT_TIMESTAMP(8) }; @@ -471,7 +544,7 @@ static int __devinit adis16209_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -524,7 +597,7 @@ error_uninitialize_ring: error_unreg_ring_funcs: adis16209_unconfigure_ring(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -539,7 +612,7 @@ static int adis16209_remove(struct spi_device *spi) adis16209_remove_trigger(indio_dev); iio_buffer_unregister(indio_dev); adis16209_unconfigure_ring(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/accel/adis16209_ring.c b/drivers/staging/iio/accel/adis16209_ring.c index 57254b6b38b7..f7ed989dd20c 100644 --- a/drivers/staging/iio/accel/adis16209_ring.c +++ b/drivers/staging/iio/accel/adis16209_ring.c @@ -5,9 +5,9 @@ #include <linux/spi/spi.h> #include <linux/slab.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "adis16209.h" /** @@ -61,12 +61,10 @@ static irqreturn_t adis16209_trigger_handler(int irq, void *p) struct iio_dev *indio_dev = pf->indio_dev; struct adis16209_state *st = iio_priv(indio_dev); struct iio_buffer *ring = indio_dev->buffer; - int i = 0; s16 *data; - size_t datasize = ring->access->get_bytes_per_datum(ring); - data = kmalloc(datasize , GFP_KERNEL); + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) { dev_err(&st->us->dev, "memory alloc failed in ring bh"); return -ENOMEM; @@ -79,7 +77,7 @@ static irqreturn_t adis16209_trigger_handler(int irq, void *p) data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2])); /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) *((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp; ring->access->store_to(ring, (u8 *)data, pf->timestamp); diff --git a/drivers/staging/iio/accel/adis16209_trigger.c b/drivers/staging/iio/accel/adis16209_trigger.c index c5d82c1a55d9..2ad93dcaf40d 100644 --- a/drivers/staging/iio/accel/adis16209_trigger.c +++ b/drivers/staging/iio/accel/adis16209_trigger.c @@ -3,8 +3,8 @@ #include <linux/spi/spi.h> #include <linux/export.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> #include "adis16209.h" /** @@ -38,7 +38,7 @@ int adis16209_probe_trigger(struct iio_dev *indio_dev) int ret; struct adis16209_state *st = iio_priv(indio_dev); - st->trig = iio_allocate_trigger("adis16209-dev%d", indio_dev->id); + st->trig = iio_trigger_alloc("adis16209-dev%d", indio_dev->id); if (st->trig == NULL) { ret = -ENOMEM; goto error_ret; @@ -66,7 +66,7 @@ int adis16209_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->us->irq, st->trig); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -77,5 +77,5 @@ void adis16209_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(st->trig); free_irq(st->us->irq, st->trig); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } diff --git a/drivers/staging/iio/accel/adis16220_core.c b/drivers/staging/iio/accel/adis16220_core.c index 51a852d45482..e8c513db2d23 100644 --- a/drivers/staging/iio/accel/adis16220_core.c +++ b/drivers/staging/iio/accel/adis16220_core.c @@ -15,8 +15,8 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "adis16220.h" @@ -507,7 +507,7 @@ static int adis16220_read_raw(struct iio_dev *indio_dev, u8 bits; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: addrind = 0; break; case IIO_CHAN_INFO_OFFSET: @@ -575,11 +575,13 @@ static const struct iio_chan_spec adis16220_channels[] = { .indexed = 1, .channel = 0, .extend_name = "supply", - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in_supply, }, { .type = IIO_ACCEL, - .info_mask = IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT | IIO_CHAN_INFO_PEAK_SEPARATE_BIT, .address = accel, @@ -587,20 +589,23 @@ static const struct iio_chan_spec adis16220_channels[] = { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = temp, }, { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in_1, }, { .type = IIO_VOLTAGE, .indexed = 1, .channel = 2, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = in_2, } }; @@ -629,7 +634,7 @@ static int __devinit adis16220_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -680,7 +685,7 @@ error_rm_accel_bin: error_unregister_dev: iio_device_unregister(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -695,7 +700,7 @@ static int adis16220_remove(struct spi_device *spi) sysfs_remove_bin_file(&indio_dev->dev.kobj, &adc1_bin); sysfs_remove_bin_file(&indio_dev->dev.kobj, &accel_bin); iio_device_unregister(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/accel/adis16240_core.c b/drivers/staging/iio/accel/adis16240_core.c index 17f77fef7f2b..f043bbdce36f 100644 --- a/drivers/staging/iio/accel/adis16240_core.c +++ b/drivers/staging/iio/accel/adis16240_core.c @@ -19,9 +19,9 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "adis16240.h" @@ -365,7 +365,7 @@ static int adis16240_read_raw(struct iio_dev *indio_dev, s16 val16; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); addr = adis16240_addresses[chan->address][0]; ret = adis16240_spi_read_reg_16(indio_dev, addr, &val16); @@ -468,33 +468,88 @@ static int adis16240_write_raw(struct iio_dev *indio_dev, } static struct iio_chan_spec adis16240_channels[] = { - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "supply", 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - in_supply, ADIS16240_SCAN_SUPPLY, - IIO_ST('u', 10, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 1, 0, - 0, - in_aux, ADIS16240_SCAN_AUX_ADC, - IIO_ST('u', 10, 16, 0), 0), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_X, - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - accel_x, ADIS16240_SCAN_ACC_X, - IIO_ST('s', 10, 16, 0), 0), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Y, - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - accel_y, ADIS16240_SCAN_ACC_Y, - IIO_ST('s', 10, 16, 0), 0), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Z, - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - accel_z, ADIS16240_SCAN_ACC_Z, - IIO_ST('s', 10, 16, 0), 0), - IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - temp, ADIS16240_SCAN_TEMP, - IIO_ST('u', 10, 16, 0), 0), + { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .extend_name = "supply", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = in_supply, + .scan_index = ADIS16240_SCAN_SUPPLY, + .scan_type = { + .sign = 'u', + .realbits = 10, + .storagebits = 16, + }, + }, { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + .address = in_aux, + .scan_index = ADIS16240_SCAN_AUX_ADC, + .scan_type = { + .sign = 'u', + .realbits = 10, + .storagebits = 16, + }, + }, { + .type = IIO_ACCEL, + .modified = 1, + .channel2 = IIO_MOD_X, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .address = accel_x, + .scan_index = ADIS16240_SCAN_ACC_X, + .scan_type = { + .sign = 's', + .realbits = 10, + .storagebits = 16, + }, + }, { + .type = IIO_ACCEL, + .modified = 1, + .channel2 = IIO_MOD_Y, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .address = accel_y, + .scan_index = ADIS16240_SCAN_ACC_Y, + .scan_type = { + .sign = 's', + .realbits = 10, + .storagebits = 16, + }, + }, { + .type = IIO_ACCEL, + .modified = 1, + .channel2 = IIO_MOD_Z, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .address = accel_z, + .scan_index = ADIS16240_SCAN_ACC_Z, + .scan_type = { + .sign = 's', + .realbits = 10, + .storagebits = 16, + }, + }, { + .type = IIO_TEMP, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = temp, + .scan_index = ADIS16240_SCAN_TEMP, + .scan_type = { + .sign = 'u', + .realbits = 10, + .storagebits = 16, + }, + }, IIO_CHAN_SOFT_TIMESTAMP(6) }; @@ -523,7 +578,7 @@ static int __devinit adis16240_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -576,7 +631,7 @@ error_uninitialize_ring: error_unreg_ring_funcs: adis16240_unconfigure_ring(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -592,7 +647,7 @@ static int adis16240_remove(struct spi_device *spi) adis16240_remove_trigger(indio_dev); iio_buffer_unregister(indio_dev); adis16240_unconfigure_ring(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/accel/adis16240_ring.c b/drivers/staging/iio/accel/adis16240_ring.c index 43ba84e993ad..1aa95662e542 100644 --- a/drivers/staging/iio/accel/adis16240_ring.c +++ b/drivers/staging/iio/accel/adis16240_ring.c @@ -5,9 +5,9 @@ #include <linux/spi/spi.h> #include <linux/slab.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "adis16240.h" /** @@ -61,9 +61,8 @@ static irqreturn_t adis16240_trigger_handler(int irq, void *p) int i = 0; s16 *data; - size_t datasize = ring->access->get_bytes_per_datum(ring); - data = kmalloc(datasize, GFP_KERNEL); + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) { dev_err(&st->us->dev, "memory alloc failed in ring bh"); return -ENOMEM; @@ -76,7 +75,7 @@ static irqreturn_t adis16240_trigger_handler(int irq, void *p) data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2])); /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) *((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp; ring->access->store_to(ring, (u8 *)data, pf->timestamp); diff --git a/drivers/staging/iio/accel/adis16240_trigger.c b/drivers/staging/iio/accel/adis16240_trigger.c index 8e0ce568e64c..fa90a22b143e 100644 --- a/drivers/staging/iio/accel/adis16240_trigger.c +++ b/drivers/staging/iio/accel/adis16240_trigger.c @@ -3,8 +3,8 @@ #include <linux/spi/spi.h> #include <linux/export.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> #include "adis16240.h" /** @@ -38,7 +38,7 @@ int adis16240_probe_trigger(struct iio_dev *indio_dev) int ret; struct adis16240_state *st = iio_priv(indio_dev); - st->trig = iio_allocate_trigger("adis16240-dev%d", indio_dev->id); + st->trig = iio_trigger_alloc("adis16240-dev%d", indio_dev->id); if (st->trig == NULL) { ret = -ENOMEM; goto error_ret; @@ -67,7 +67,7 @@ int adis16240_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->us->irq, st->trig); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -78,5 +78,5 @@ void adis16240_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(st->trig); free_irq(st->us->irq, st->trig); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } diff --git a/drivers/staging/iio/accel/kxsd9.c b/drivers/staging/iio/accel/kxsd9.c index d13d7215ff6e..8cf7cd943c90 100644 --- a/drivers/staging/iio/accel/kxsd9.c +++ b/drivers/staging/iio/accel/kxsd9.c @@ -23,8 +23,8 @@ #include <linux/slab.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define KXSD9_REG_X 0x00 #define KXSD9_REG_Y 0x02 @@ -158,7 +158,7 @@ static int kxsd9_read_raw(struct iio_dev *indio_dev, struct kxsd9_state *st = iio_priv(indio_dev); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: ret = kxsd9_read(indio_dev, chan->address); if (ret < 0) goto error_ret; @@ -181,7 +181,8 @@ error_ret: .type = IIO_ACCEL, \ .modified = 1, \ .channel2 = IIO_MOD_##axis, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = KXSD9_REG_##axis, \ } @@ -189,6 +190,7 @@ static struct iio_chan_spec kxsd9_channels[] = { KXSD9_ACCEL_CHAN(X), KXSD9_ACCEL_CHAN(Y), KXSD9_ACCEL_CHAN(Z), { .type = IIO_VOLTAGE, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .indexed = 1, .address = KXSD9_REG_AUX, } @@ -226,7 +228,7 @@ static int __devinit kxsd9_probe(struct spi_device *spi) struct kxsd9_state *st; int ret = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -254,7 +256,7 @@ static int __devinit kxsd9_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -262,7 +264,7 @@ error_ret: static int __devexit kxsd9_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c index 376da5137967..a7780439af15 100644 --- a/drivers/staging/iio/accel/lis3l02dq_core.c +++ b/drivers/staging/iio/accel/lis3l02dq_core.c @@ -23,10 +23,10 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> +#include <linux/iio/buffer.h> #include "lis3l02dq.h" @@ -257,7 +257,7 @@ static int lis3l02dq_read_raw(struct iio_dev *indio_dev, u8 reg; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: /* Take the iio_dev status lock */ mutex_lock(&indio_dev->mlock); if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { @@ -513,7 +513,8 @@ static irqreturn_t lis3l02dq_event_handler(int irq, void *private) } #define LIS3L02DQ_INFO_MASK \ - (IIO_CHAN_INFO_SCALE_SHARED_BIT | \ + (IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT | \ IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT) @@ -521,13 +522,26 @@ static irqreturn_t lis3l02dq_event_handler(int irq, void *private) (IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) | \ IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING)) +#define LIS3L02DQ_CHAN(index, mod) \ + { \ + .type = IIO_ACCEL, \ + .modified = 1, \ + .channel2 = mod, \ + .info_mask = LIS3L02DQ_INFO_MASK, \ + .address = index, \ + .scan_index = index, \ + .scan_type = { \ + .sign = 's', \ + .realbits = 12, \ + .storagebits = 16, \ + }, \ + .event_mask = LIS3L02DQ_EVENT_MASK, \ + } + static struct iio_chan_spec lis3l02dq_channels[] = { - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_X, LIS3L02DQ_INFO_MASK, - 0, 0, IIO_ST('s', 12, 16, 0), LIS3L02DQ_EVENT_MASK), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Y, LIS3L02DQ_INFO_MASK, - 1, 1, IIO_ST('s', 12, 16, 0), LIS3L02DQ_EVENT_MASK), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Z, LIS3L02DQ_INFO_MASK, - 2, 2, IIO_ST('s', 12, 16, 0), LIS3L02DQ_EVENT_MASK), + LIS3L02DQ_CHAN(0, IIO_MOD_X), + LIS3L02DQ_CHAN(1, IIO_MOD_Y), + LIS3L02DQ_CHAN(2, IIO_MOD_Z), IIO_CHAN_SOFT_TIMESTAMP(3) }; @@ -666,7 +680,7 @@ static int __devinit lis3l02dq_probe(struct spi_device *spi) struct lis3l02dq_state *st; struct iio_dev *indio_dev; - indio_dev = iio_allocate_device(sizeof *st); + indio_dev = iio_device_alloc(sizeof *st); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -724,7 +738,7 @@ static int __devinit lis3l02dq_probe(struct spi_device *spi) return 0; error_remove_trigger: - if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) + if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq))) lis3l02dq_remove_trigger(indio_dev); error_free_interrupt: if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) @@ -734,7 +748,7 @@ error_uninitialize_buffer: error_unreg_buffer_funcs: lis3l02dq_unconfigure_buffer(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -789,7 +803,7 @@ static int lis3l02dq_remove(struct spi_device *spi) iio_buffer_unregister(indio_dev); lis3l02dq_unconfigure_buffer(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); err_ret: return ret; } diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c index 0fc3973f32ae..9306f934e333 100644 --- a/drivers/staging/iio/accel/lis3l02dq_ring.c +++ b/drivers/staging/iio/accel/lis3l02dq_ring.c @@ -6,11 +6,11 @@ #include <linux/slab.h> #include <linux/export.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../kfifo_buf.h" -#include "../trigger.h" -#include "../trigger_consumer.h" +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger.h> +#include <linux/iio/trigger_consumer.h> #include "lis3l02dq.h" /** @@ -137,9 +137,9 @@ static irqreturn_t lis3l02dq_trigger_handler(int irq, void *p) struct iio_dev *indio_dev = pf->indio_dev; struct iio_buffer *buffer = indio_dev->buffer; int len = 0; - size_t datasize = buffer->access->get_bytes_per_datum(buffer); - char *data = kmalloc(datasize, GFP_KERNEL); + char *data; + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) { dev_err(indio_dev->dev.parent, "memory alloc failed in buffer bh"); @@ -150,7 +150,7 @@ static irqreturn_t lis3l02dq_trigger_handler(int irq, void *p) len = lis3l02dq_get_buffer_element(indio_dev, data); /* Guaranteed to be aligned with 8 byte boundary */ - if (buffer->scan_timestamp) + if (indio_dev->scan_timestamp) *(s64 *)(((phys_addr_t)data + len + sizeof(s64) - 1) & ~(sizeof(s64) - 1)) = pf->timestamp; @@ -286,7 +286,7 @@ int lis3l02dq_probe_trigger(struct iio_dev *indio_dev) int ret; struct lis3l02dq_state *st = iio_priv(indio_dev); - st->trig = iio_allocate_trigger("lis3l02dq-dev%d", indio_dev->id); + st->trig = iio_trigger_alloc("lis3l02dq-dev%d", indio_dev->id); if (!st->trig) { ret = -ENOMEM; goto error_ret; @@ -302,7 +302,7 @@ int lis3l02dq_probe_trigger(struct iio_dev *indio_dev) return 0; error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -312,7 +312,7 @@ void lis3l02dq_remove_trigger(struct iio_dev *indio_dev) struct lis3l02dq_state *st = iio_priv(indio_dev); iio_trigger_unregister(st->trig); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } void lis3l02dq_unconfigure_buffer(struct iio_dev *indio_dev) diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c index 49764fb7181c..3c5aea5efb2b 100644 --- a/drivers/staging/iio/accel/sca3000_core.c +++ b/drivers/staging/iio/accel/sca3000_core.c @@ -18,10 +18,10 @@ #include <linux/spi/spi.h> #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> +#include <linux/iio/buffer.h> #include "sca3000.h" @@ -429,17 +429,31 @@ static IIO_DEVICE_ATTR(measurement_mode, S_IRUGO | S_IWUSR, static IIO_DEVICE_ATTR(revision, S_IRUGO, sca3000_show_rev, NULL, 0); #define SCA3000_INFO_MASK \ - IIO_CHAN_INFO_SCALE_SHARED_BIT + IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT #define SCA3000_EVENT_MASK \ (IIO_EV_BIT(IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING)) +#define SCA3000_CHAN(index, mod) \ + { \ + .type = IIO_ACCEL, \ + .modified = 1, \ + .channel2 = mod, \ + .info_mask = SCA3000_INFO_MASK, \ + .address = index, \ + .scan_index = index, \ + .scan_type = { \ + .sign = 's', \ + .realbits = 11, \ + .storagebits = 16, \ + .shift = 5, \ + }, \ + .event_mask = SCA3000_EVENT_MASK, \ + } + static struct iio_chan_spec sca3000_channels[] = { - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_X, SCA3000_INFO_MASK, - 0, 0, IIO_ST('s', 11, 16, 5), SCA3000_EVENT_MASK), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Y, SCA3000_INFO_MASK, - 1, 1, IIO_ST('s', 11, 16, 5), SCA3000_EVENT_MASK), - IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Z, SCA3000_INFO_MASK, - 2, 2, IIO_ST('s', 11, 16, 5), SCA3000_EVENT_MASK), + SCA3000_CHAN(0, IIO_MOD_X), + SCA3000_CHAN(1, IIO_MOD_Y), + SCA3000_CHAN(2, IIO_MOD_Z), }; static u8 sca3000_addresses[3][3] = { @@ -462,7 +476,7 @@ static int sca3000_read_raw(struct iio_dev *indio_dev, u8 address; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&st->lock); if (st->mo_det_use_count) { mutex_unlock(&st->lock); @@ -1131,7 +1145,7 @@ static int __devinit sca3000_probe(struct spi_device *spi) struct sca3000_state *st; struct iio_dev *indio_dev; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -1195,7 +1209,7 @@ error_unregister_ring: error_unregister_dev: iio_device_unregister(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -1233,7 +1247,7 @@ static int sca3000_remove(struct spi_device *spi) iio_device_unregister(indio_dev); iio_buffer_unregister(indio_dev); sca3000_unconfigure_ring(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c index 6b824a11f7f4..889bc86047f9 100644 --- a/drivers/staging/iio/accel/sca3000_ring.c +++ b/drivers/staging/iio/accel/sca3000_ring.c @@ -18,9 +18,9 @@ #include <linux/sched.h> #include <linux/poll.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "../ring_hw.h" #include "sca3000.h" diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig index 592eabd85f36..2490dd25093b 100644 --- a/drivers/staging/iio/adc/Kconfig +++ b/drivers/staging/iio/adc/Kconfig @@ -25,7 +25,7 @@ config AD7606 depends on GPIOLIB select IIO_BUFFER select IIO_TRIGGER - select IIO_SW_RING + select IIO_KFIFO_BUF help Say yes here to build support for Analog Devices: ad7606, ad7606-6, ad7606-4 analog to digital converters (ADC). @@ -63,7 +63,7 @@ config AD799X_RING_BUFFER bool "Analog Devices AD799x: use ring buffer" depends on AD799X select IIO_BUFFER - select IIO_SW_RING + select IIO_KFIFO_BUF help Say yes here to include ring buffer support in the AD799X ADC driver. @@ -72,7 +72,7 @@ config AD7476 tristate "Analog Devices AD7475/6/7/8 AD7466/7/8 and AD7495 ADC driver" depends on SPI select IIO_BUFFER - select IIO_SW_RING + select IIO_KFIFO_BUF select IIO_TRIGGER help Say yes here to build support for Analog Devices @@ -87,7 +87,7 @@ config AD7887 tristate "Analog Devices AD7887 ADC driver" depends on SPI select IIO_BUFFER - select IIO_SW_RING + select IIO_KFIFO_BUF select IIO_TRIGGER help Say yes here to build support for Analog Devices @@ -113,7 +113,7 @@ config AD7793 tristate "Analog Devices AD7792 AD7793 ADC driver" depends on SPI select IIO_BUFFER - select IIO_SW_RING + select IIO_KFIFO_BUF select IIO_TRIGGER help Say yes here to build support for Analog Devices @@ -135,7 +135,7 @@ config AD7192 tristate "Analog Devices AD7190 AD7192 AD7195 ADC driver" depends on SPI select IIO_BUFFER - select IIO_SW_RING + select IIO_KFIFO_BUF select IIO_TRIGGER help Say yes here to build support for Analog Devices AD7190, @@ -195,11 +195,20 @@ config MAX1363_RING_BUFFER config LPC32XX_ADC tristate "NXP LPC32XX ADC" - depends on ARCH_LPC32XX && !TOUCHSCREEN_LPC32XX + depends on ARCH_LPC32XX help Say yes here to build support for the integrated ADC inside the LPC32XX SoC. Note that this feature uses the same hardware as the - touchscreen driver, so you can only select one of the two drivers - (lpc32xx_adc or lpc32xx_ts). Provides direct access via sysfs. + touchscreen driver, so you should either select only one of the two + drivers (lpc32xx_adc or lpc32xx_ts) or, in the OpenFirmware case, + activate only one via device tree selection. Provides direct access + via sysfs. + +config SPEAR_ADC + tristate "ST SPEAr ADC" + depends on PLAT_SPEAR + help + Say yes here to build support for the integrated ADC inside the + ST SPEAr SoC. Provides direct access via sysfs. endmenu diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile index f83ab9551d8e..14e98b62b70a 100644 --- a/drivers/staging/iio/adc/Makefile +++ b/drivers/staging/iio/adc/Makefile @@ -38,3 +38,4 @@ obj-$(CONFIG_ADT7310) += adt7310.o obj-$(CONFIG_ADT7410) += adt7410.o obj-$(CONFIG_AD7280) += ad7280a.o obj-$(CONFIG_LPC32XX_ADC) += lpc32xx_adc.o +obj-$(CONFIG_SPEAR_ADC) += spear_adc.o diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 9fd6d63d2999..d5655e3b8efd 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -1,7 +1,7 @@ /* * AD7190 AD7192 AD7195 SPI ADC driver * - * Copyright 2011 Analog Devices Inc. + * Copyright 2011-2012 Analog Devices Inc. * * Licensed under the GPL-2. */ @@ -17,12 +17,12 @@ #include <linux/sched.h> #include <linux/delay.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" -#include "../ring_sw.h" -#include "../trigger.h" -#include "../trigger_consumer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger.h> +#include <linux/iio/trigger_consumer.h> #include "ad7192.h" @@ -456,31 +456,19 @@ out: static int ad7192_ring_preenable(struct iio_dev *indio_dev) { struct ad7192_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; - size_t d_size; unsigned channel; + int ret; if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; + channel = find_first_bit(indio_dev->active_scan_mask, indio_dev->masklength); - d_size = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * - indio_dev->channels[0].scan_type.storagebits / 8; - - if (ring->scan_timestamp) { - d_size += sizeof(s64); - - if (d_size % sizeof(s64)) - d_size += sizeof(s64) - (d_size % sizeof(s64)); - } - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, d_size); - st->mode = (st->mode & ~AD7192_MODE_SEL(-1)) | AD7192_MODE_SEL(AD7192_MODE_CONT); st->conf = (st->conf & ~AD7192_CONF_CHAN(-1)) | @@ -533,7 +521,7 @@ static irqreturn_t ad7192_trigger_handler(int irq, void *p) indio_dev->channels[0].scan_type.realbits/8); /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) dat64[1] = pf->timestamp; ring->access->store_to(ring, (u8 *)dat64, pf->timestamp); @@ -556,7 +544,7 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev) { int ret; - indio_dev->buffer = iio_sw_rb_allocate(indio_dev); + indio_dev->buffer = iio_kfifo_allocate(indio_dev); if (!indio_dev->buffer) { ret = -ENOMEM; goto error_ret; @@ -569,7 +557,7 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->id); if (indio_dev->pollfunc == NULL) { ret = -ENOMEM; - goto error_deallocate_sw_rb; + goto error_deallocate_kfifo; } /* Ring buffer functions - here trigger setup related */ @@ -579,8 +567,8 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->modes |= INDIO_BUFFER_TRIGGERED; return 0; -error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->buffer); +error_deallocate_kfifo: + iio_kfifo_free(indio_dev->buffer); error_ret: return ret; } @@ -588,7 +576,7 @@ error_ret: static void ad7192_ring_cleanup(struct iio_dev *indio_dev) { iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); + iio_kfifo_free(indio_dev->buffer); } /** @@ -616,7 +604,7 @@ static int ad7192_probe_trigger(struct iio_dev *indio_dev) struct ad7192_state *st = iio_priv(indio_dev); int ret; - st->trig = iio_allocate_trigger("%s-dev%d", + st->trig = iio_trigger_alloc("%s-dev%d", spi_get_device_id(st->spi)->name, indio_dev->id); if (st->trig == NULL) { @@ -649,7 +637,7 @@ static int ad7192_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->spi->irq, indio_dev); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -660,7 +648,7 @@ static void ad7192_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(st->trig); free_irq(st->spi->irq, indio_dev); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } static ssize_t ad7192_read_frequency(struct device *dev, @@ -849,7 +837,7 @@ static int ad7192_read_raw(struct iio_dev *indio_dev, bool unipolar = !!(st->conf & AD7192_CONF_UNIPOLAR); switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); if (iio_buffer_enabled(indio_dev)) ret = -EBUSY; @@ -981,7 +969,8 @@ static const struct iio_info ad7195_info = { .extend_name = _name, \ .channel = _chan, \ .channel2 = _chan2, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = _address, \ .scan_index = _si, \ .scan_type = IIO_ST('s', 24, 32, 0)} @@ -990,7 +979,8 @@ static const struct iio_info ad7195_info = { { .type = IIO_VOLTAGE, \ .indexed = 1, \ .channel = _chan, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = _address, \ .scan_index = _si, \ .scan_type = IIO_ST('s', 24, 32, 0)} @@ -999,7 +989,8 @@ static const struct iio_info ad7195_info = { { .type = IIO_TEMP, \ .indexed = 1, \ .channel = _chan, \ - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ .address = _address, \ .scan_index = _si, \ .scan_type = IIO_ST('s', 24, 32, 0)} @@ -1033,7 +1024,7 @@ static int __devinit ad7192_probe(struct spi_device *spi) return -ENODEV; } - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -1114,7 +1105,7 @@ error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c index 7dbd6812c240..9c3b66f37395 100644 --- a/drivers/staging/iio/adc/ad7280a.c +++ b/drivers/staging/iio/adc/ad7280a.c @@ -16,9 +16,9 @@ #include <linux/interrupt.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> #include "ad7280a.h" @@ -508,6 +508,7 @@ static int ad7280_channel_init(struct ad7280_state *st) } st->channels[cnt].indexed = 1; st->channels[cnt].info_mask = + IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT; st->channels[cnt].address = AD7280A_DEVADDR(dev) << 8 | ch; @@ -524,7 +525,9 @@ static int ad7280_channel_init(struct ad7280_state *st) st->channels[cnt].channel2 = dev * 6; st->channels[cnt].address = AD7280A_ALL_CELLS; st->channels[cnt].indexed = 1; - st->channels[cnt].info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT; + st->channels[cnt].info_mask = + IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT; st->channels[cnt].scan_index = cnt; st->channels[cnt].scan_type.sign = 'u'; st->channels[cnt].scan_type.realbits = 32; @@ -788,7 +791,7 @@ static int ad7280_read_raw(struct iio_dev *indio_dev, int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); if (chan->address == AD7280A_ALL_CELLS) ret = ad7280_read_all_channels(st, st->scan_cnt, NULL); @@ -836,7 +839,7 @@ static int __devinit ad7280_probe(struct spi_device *spi) int ret; const unsigned short tACQ_ns[4] = {465, 1010, 1460, 1890}; const unsigned short nAVG[4] = {1, 2, 4, 8}; - struct iio_dev *indio_dev = iio_allocate_device(sizeof(*st)); + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -942,7 +945,7 @@ error_free_channels: kfree(st->channels); error_free_device: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -961,7 +964,7 @@ static int __devexit ad7280_remove(struct spi_device *spi) kfree(st->channels); kfree(st->iio_attr); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c index 81d6b6128cb0..a987c2011ec1 100644 --- a/drivers/staging/iio/adc/ad7291.c +++ b/drivers/staging/iio/adc/ad7291.c @@ -17,9 +17,9 @@ #include <linux/regulator/consumer.h> #include <linux/err.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> /* * Simplified handling @@ -461,7 +461,7 @@ static int ad7291_read_raw(struct iio_dev *indio_dev, s16 signval; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: switch (chan->type) { case IIO_VOLTAGE: mutex_lock(&chip->state_lock); @@ -536,7 +536,8 @@ static int ad7291_read_raw(struct iio_dev *indio_dev, #define AD7291_VOLTAGE_CHAN(_chan) \ { \ .type = IIO_VOLTAGE, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .indexed = 1, \ .channel = _chan, \ .event_mask = IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING)|\ @@ -554,7 +555,8 @@ static const struct iio_chan_spec ad7291_channels[] = { AD7291_VOLTAGE_CHAN(7), { .type = IIO_TEMP, - .info_mask = IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .indexed = 1, .channel = 0, @@ -585,7 +587,7 @@ static int __devinit ad7291_probe(struct i2c_client *client, struct iio_dev *indio_dev; int ret = 0, voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -667,7 +669,7 @@ error_put_reg: if (!IS_ERR(chip->reg)) regulator_put(chip->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -687,7 +689,7 @@ static int __devexit ad7291_remove(struct i2c_client *client) regulator_put(chip->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad7298.h b/drivers/staging/iio/adc/ad7298.h index a0e5dea415ef..5051a7e4d4fd 100644 --- a/drivers/staging/iio/adc/ad7298.h +++ b/drivers/staging/iio/adc/ad7298.h @@ -38,7 +38,6 @@ struct ad7298_platform_data { struct ad7298_state { struct spi_device *spi; struct regulator *reg; - size_t d_size; u16 int_vref_mv; unsigned ext_ref; struct spi_transfer ring_xfer[10]; diff --git a/drivers/staging/iio/adc/ad7298_core.c b/drivers/staging/iio/adc/ad7298_core.c index 8dd6aa9cf928..c90f2b3e661f 100644 --- a/drivers/staging/iio/adc/ad7298_core.c +++ b/drivers/staging/iio/adc/ad7298_core.c @@ -16,40 +16,51 @@ #include <linux/delay.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "ad7298.h" +#define AD7298_V_CHAN(index) \ + { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = index, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .address = index, \ + .scan_index = index, \ + .scan_type = { \ + .sign = 'u', \ + .realbits = 12, \ + .storagebits = 16, \ + }, \ + } + static struct iio_chan_spec ad7298_channels[] = { - IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - 9, AD7298_CH_TEMP, IIO_ST('s', 32, 32, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 1, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 1, 1, IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 2, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 2, 2, IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 3, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 3, 3, IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 4, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 4, 4, IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 5, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 5, 5, IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 6, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 6, 6, IIO_ST('u', 12, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 7, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 7, 7, IIO_ST('u', 12, 16, 0), 0), + { + .type = IIO_TEMP, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = 9, + .scan_index = AD7298_CH_TEMP, + .scan_type = { + .sign = 's', + .realbits = 32, + .storagebits = 32, + }, + }, + AD7298_V_CHAN(0), + AD7298_V_CHAN(1), + AD7298_V_CHAN(2), + AD7298_V_CHAN(3), + AD7298_V_CHAN(4), + AD7298_V_CHAN(5), + AD7298_V_CHAN(6), + AD7298_V_CHAN(7), IIO_CHAN_SOFT_TIMESTAMP(8), }; @@ -121,7 +132,7 @@ static int ad7298_read_raw(struct iio_dev *indio_dev, unsigned int scale_uv; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { ret = -EBUSY; @@ -168,7 +179,7 @@ static int __devinit ad7298_probe(struct spi_device *spi) struct ad7298_platform_data *pdata = spi->dev.platform_data; struct ad7298_state *st; int ret; - struct iio_dev *indio_dev = iio_allocate_device(sizeof(*st)); + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -241,7 +252,7 @@ error_disable_reg: error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -258,7 +269,7 @@ static int __devexit ad7298_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad7298_ring.c b/drivers/staging/iio/adc/ad7298_ring.c index feeb0eeba59a..908a3e5609df 100644 --- a/drivers/staging/iio/adc/ad7298_ring.c +++ b/drivers/staging/iio/adc/ad7298_ring.c @@ -1,7 +1,7 @@ /* * AD7298 SPI ADC driver * - * Copyright 2011 Analog Devices Inc. + * Copyright 2011-2012 Analog Devices Inc. * * Licensed under the GPL-2. */ @@ -11,10 +11,10 @@ #include <linux/slab.h> #include <linux/spi/spi.h> -#include "../iio.h" -#include "../buffer.h" -#include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/iio.h> +#include <linux/iio/buffer.h> +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger_consumer.h> #include "ad7298.h" @@ -28,25 +28,17 @@ static int ad7298_ring_preenable(struct iio_dev *indio_dev) { struct ad7298_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; - size_t d_size; int i, m; unsigned short command; - int scan_count = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength); - d_size = scan_count * (AD7298_STORAGE_BITS / 8); - - if (ring->scan_timestamp) { - d_size += sizeof(s64); - - if (d_size % sizeof(s64)) - d_size += sizeof(s64) - (d_size % sizeof(s64)); - } + int scan_count, ret; - if (ring->access->set_bytes_per_datum) - ring->access->set_bytes_per_datum(ring, d_size); + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; - st->d_size = d_size; + /* Now compute overall size */ + scan_count = bitmap_weight(indio_dev->active_scan_mask, + indio_dev->masklength); command = AD7298_WRITE | st->ext_ref; @@ -100,9 +92,9 @@ static irqreturn_t ad7298_trigger_handler(int irq, void *p) if (b_sent) return b_sent; - if (ring->scan_timestamp) { + if (indio_dev->scan_timestamp) { time_ns = iio_get_time_ns(); - memcpy((u8 *)buf + st->d_size - sizeof(s64), + memcpy((u8 *)buf + indio_dev->scan_bytes - sizeof(s64), &time_ns, sizeof(time_ns)); } @@ -126,7 +118,7 @@ int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev) { int ret; - indio_dev->buffer = iio_sw_rb_allocate(indio_dev); + indio_dev->buffer = iio_kfifo_allocate(indio_dev); if (!indio_dev->buffer) { ret = -ENOMEM; goto error_ret; @@ -140,7 +132,7 @@ int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev) if (indio_dev->pollfunc == NULL) { ret = -ENOMEM; - goto error_deallocate_sw_rb; + goto error_deallocate_kfifo; } /* Ring buffer functions - here trigger setup related */ @@ -151,8 +143,8 @@ int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->modes |= INDIO_BUFFER_TRIGGERED; return 0; -error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->buffer); +error_deallocate_kfifo: + iio_kfifo_free(indio_dev->buffer); error_ret: return ret; } @@ -160,5 +152,5 @@ error_ret: void ad7298_ring_cleanup(struct iio_dev *indio_dev) { iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); + iio_kfifo_free(indio_dev->buffer); } diff --git a/drivers/staging/iio/adc/ad7476.h b/drivers/staging/iio/adc/ad7476.h index 27f696c75cc4..b1dd9317fe1f 100644 --- a/drivers/staging/iio/adc/ad7476.h +++ b/drivers/staging/iio/adc/ad7476.h @@ -27,7 +27,6 @@ struct ad7476_state { struct spi_device *spi; const struct ad7476_chip_info *chip_info; struct regulator *reg; - size_t d_size; u16 int_vref_mv; struct spi_transfer xfer; struct spi_message msg; diff --git a/drivers/staging/iio/adc/ad7476_core.c b/drivers/staging/iio/adc/ad7476_core.c index 0c064d1c3927..be1c260cf165 100644 --- a/drivers/staging/iio/adc/ad7476_core.c +++ b/drivers/staging/iio/adc/ad7476_core.c @@ -15,9 +15,9 @@ #include <linux/err.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "ad7476.h" @@ -43,7 +43,7 @@ static int ad7476_read_raw(struct iio_dev *indio_dev, unsigned int scale_uv; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); if (iio_buffer_enabled(indio_dev)) ret = -EBUSY; @@ -66,53 +66,51 @@ static int ad7476_read_raw(struct iio_dev *indio_dev, return -EINVAL; } +#define AD7476_CHAN(bits) \ + { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .scan_type = { \ + .sign = 'u', \ + .realbits = bits, \ + .storagebits = 16, \ + .shift = 12 - bits, \ + }, \ +} + static const struct ad7476_chip_info ad7476_chip_info_tbl[] = { [ID_AD7466] = { - .channel[0] = IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('u', 12, 16, 0), 0), + .channel[0] = AD7476_CHAN(12), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), }, [ID_AD7467] = { - .channel[0] = IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('u', 10, 16, 2), 0), + .channel[0] = AD7476_CHAN(10), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), }, [ID_AD7468] = { - .channel[0] = IIO_CHAN(IIO_VOLTAGE, 0, 1 , 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('u', 8, 16, 4), 0), + .channel[0] = AD7476_CHAN(8), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), }, [ID_AD7475] = { - .channel[0] = IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('u', 12, 16, 0), 0), + .channel[0] = AD7476_CHAN(12), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), }, [ID_AD7476] = { - .channel[0] = IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('u', 12, 16, 0), 0), + .channel[0] = AD7476_CHAN(12), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), }, [ID_AD7477] = { - .channel[0] = IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('u', 10, 16, 2), 0), + .channel[0] = AD7476_CHAN(10), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), }, [ID_AD7478] = { - .channel[0] = IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('u', 8, 16, 4), 0), + .channel[0] = AD7476_CHAN(8), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), }, [ID_AD7495] = { - .channel[0] = IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('u', 12, 16, 0), 0), + .channel[0] = AD7476_CHAN(12), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), .int_vref_mv = 2500, }, @@ -130,7 +128,7 @@ static int __devinit ad7476_probe(struct spi_device *spi) struct iio_dev *indio_dev; int ret, voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -200,7 +198,7 @@ error_disable_reg: error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -218,7 +216,7 @@ static int ad7476_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad7476_ring.c b/drivers/staging/iio/adc/ad7476_ring.c index d6af6c05ce1c..383611b05764 100644 --- a/drivers/staging/iio/adc/ad7476_ring.c +++ b/drivers/staging/iio/adc/ad7476_ring.c @@ -1,5 +1,5 @@ /* - * Copyright 2010 Analog Devices Inc. + * Copyright 2010-2012 Analog Devices Inc. * Copyright (C) 2008 Jonathan Cameron * * Licensed under the GPL-2 or later. @@ -13,43 +13,13 @@ #include <linux/slab.h> #include <linux/spi/spi.h> -#include "../iio.h" -#include "../buffer.h" -#include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/iio.h> +#include <linux/iio/buffer.h> +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger_consumer.h> #include "ad7476.h" -/** - * ad7476_ring_preenable() setup the parameters of the ring before enabling - * - * The complex nature of the setting of the number of bytes per datum is due - * to this driver currently ensuring that the timestamp is stored at an 8 - * byte boundary. - **/ -static int ad7476_ring_preenable(struct iio_dev *indio_dev) -{ - struct ad7476_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; - - st->d_size = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * - st->chip_info->channel[0].scan_type.storagebits / 8; - - if (ring->scan_timestamp) { - st->d_size += sizeof(s64); - - if (st->d_size % sizeof(s64)) - st->d_size += sizeof(s64) - (st->d_size % sizeof(s64)); - } - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, st->d_size); - - return 0; -} - static irqreturn_t ad7476_trigger_handler(int irq, void *p) { struct iio_poll_func *pf = p; @@ -59,7 +29,7 @@ static irqreturn_t ad7476_trigger_handler(int irq, void *p) __u8 *rxbuf; int b_sent; - rxbuf = kzalloc(st->d_size, GFP_KERNEL); + rxbuf = kzalloc(indio_dev->scan_bytes, GFP_KERNEL); if (rxbuf == NULL) return -ENOMEM; @@ -70,8 +40,8 @@ static irqreturn_t ad7476_trigger_handler(int irq, void *p) time_ns = iio_get_time_ns(); - if (indio_dev->buffer->scan_timestamp) - memcpy(rxbuf + st->d_size - sizeof(s64), + if (indio_dev->scan_timestamp) + memcpy(rxbuf + indio_dev->scan_bytes - sizeof(s64), &time_ns, sizeof(time_ns)); indio_dev->buffer->access->store_to(indio_dev->buffer, rxbuf, time_ns); @@ -83,7 +53,7 @@ done: } static const struct iio_buffer_setup_ops ad7476_ring_setup_ops = { - .preenable = &ad7476_ring_preenable, + .preenable = &iio_sw_buffer_preenable, .postenable = &iio_triggered_buffer_postenable, .predisable = &iio_triggered_buffer_predisable, }; @@ -93,7 +63,7 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev) struct ad7476_state *st = iio_priv(indio_dev); int ret = 0; - indio_dev->buffer = iio_sw_rb_allocate(indio_dev); + indio_dev->buffer = iio_kfifo_allocate(indio_dev); if (!indio_dev->buffer) { ret = -ENOMEM; goto error_ret; @@ -108,7 +78,7 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->id); if (indio_dev->pollfunc == NULL) { ret = -ENOMEM; - goto error_deallocate_sw_rb; + goto error_deallocate_kfifo; } /* Ring buffer functions - here trigger setup related */ @@ -119,8 +89,8 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->modes |= INDIO_BUFFER_TRIGGERED; return 0; -error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->buffer); +error_deallocate_kfifo: + iio_kfifo_free(indio_dev->buffer); error_ret: return ret; } @@ -128,5 +98,5 @@ error_ret: void ad7476_ring_cleanup(struct iio_dev *indio_dev) { iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); + iio_kfifo_free(indio_dev->buffer); } diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c index 97e8d3d4471e..f82d36c603c1 100644 --- a/drivers/staging/iio/adc/ad7606_core.c +++ b/drivers/staging/iio/adc/ad7606_core.c @@ -18,9 +18,9 @@ #include <linux/sched.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "ad7606.h" @@ -88,7 +88,7 @@ static int ad7606_read_raw(struct iio_dev *indio_dev, unsigned int scale_uv; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); if (iio_buffer_enabled(indio_dev)) ret = -EBUSY; @@ -229,14 +229,15 @@ static const struct attribute_group ad7606_attribute_group_range = { .attrs = ad7606_attributes_range, }; -#define AD7606_CHANNEL(num) \ - { \ - .type = IIO_VOLTAGE, \ - .indexed = 1, \ - .channel = num, \ - .address = num, \ - .scan_index = num, \ - .scan_type = IIO_ST('s', 16, 16, 0), \ +#define AD7606_CHANNEL(num) \ + { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = num, \ + .address = num, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, \ + .scan_index = num, \ + .scan_type = IIO_ST('s', 16, 16, 0), \ } static struct iio_chan_spec ad7606_8_channels[] = { @@ -460,7 +461,7 @@ struct iio_dev *ad7606_probe(struct device *dev, int irq, struct ad7606_platform_data *pdata = dev->platform_data; struct ad7606_state *st; int ret; - struct iio_dev *indio_dev = iio_allocate_device(sizeof(*st)); + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; @@ -559,7 +560,7 @@ error_disable_reg: error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ERR_PTR(ret); } @@ -579,7 +580,7 @@ int ad7606_remove(struct iio_dev *indio_dev, int irq) } ad7606_free_gpios(st); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad7606_par.c b/drivers/staging/iio/adc/ad7606_par.c index bb152a8e8c92..a53faafec070 100644 --- a/drivers/staging/iio/adc/ad7606_par.c +++ b/drivers/staging/iio/adc/ad7606_par.c @@ -12,7 +12,7 @@ #include <linux/err.h> #include <linux/io.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "ad7606.h" static int ad7606_par16_read_block(struct device *dev, diff --git a/drivers/staging/iio/adc/ad7606_ring.c b/drivers/staging/iio/adc/ad7606_ring.c index 1ef9fbcaf2de..24ce8fc71646 100644 --- a/drivers/staging/iio/adc/ad7606_ring.c +++ b/drivers/staging/iio/adc/ad7606_ring.c @@ -1,5 +1,5 @@ /* - * Copyright 2011 Analog Devices Inc. + * Copyright 2011-2012 Analog Devices Inc. * * Licensed under the GPL-2. * @@ -11,10 +11,10 @@ #include <linux/kernel.h> #include <linux/slab.h> -#include "../iio.h" -#include "../buffer.h" -#include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/iio.h> +#include <linux/iio/buffer.h> +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger_consumer.h> #include "ad7606.h" @@ -51,8 +51,7 @@ static void ad7606_poll_bh_to_ring(struct work_struct *work_s) __u8 *buf; int ret; - buf = kzalloc(ring->access->get_bytes_per_datum(ring), - GFP_KERNEL); + buf = kzalloc(indio_dev->scan_bytes, GFP_KERNEL); if (buf == NULL) return; @@ -82,9 +81,8 @@ static void ad7606_poll_bh_to_ring(struct work_struct *work_s) time_ns = iio_get_time_ns(); - if (ring->scan_timestamp) - *((s64 *)(buf + ring->access->get_bytes_per_datum(ring) - - sizeof(s64))) = time_ns; + if (indio_dev->scan_timestamp) + *((s64 *)(buf + indio_dev->scan_bytes - sizeof(s64))) = time_ns; ring->access->store_to(indio_dev->buffer, buf, time_ns); done: @@ -104,7 +102,7 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev) struct ad7606_state *st = iio_priv(indio_dev); int ret; - indio_dev->buffer = iio_sw_rb_allocate(indio_dev); + indio_dev->buffer = iio_kfifo_allocate(indio_dev); if (!indio_dev->buffer) { ret = -ENOMEM; goto error_ret; @@ -119,13 +117,13 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->id); if (indio_dev->pollfunc == NULL) { ret = -ENOMEM; - goto error_deallocate_sw_rb; + goto error_deallocate_kfifo; } /* Ring buffer functions - here trigger setup related */ indio_dev->setup_ops = &ad7606_ring_setup_ops; - indio_dev->buffer->scan_timestamp = true ; + indio_dev->buffer->scan_timestamp = true; INIT_WORK(&st->poll_work, &ad7606_poll_bh_to_ring); @@ -133,8 +131,8 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->modes |= INDIO_BUFFER_TRIGGERED; return 0; -error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->buffer); +error_deallocate_kfifo: + iio_kfifo_free(indio_dev->buffer); error_ret: return ret; } @@ -142,5 +140,5 @@ error_ret: void ad7606_ring_cleanup(struct iio_dev *indio_dev) { iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); + iio_kfifo_free(indio_dev->buffer); } diff --git a/drivers/staging/iio/adc/ad7606_spi.c b/drivers/staging/iio/adc/ad7606_spi.c index 237f1c44d296..099d347da52d 100644 --- a/drivers/staging/iio/adc/ad7606_spi.c +++ b/drivers/staging/iio/adc/ad7606_spi.c @@ -11,7 +11,7 @@ #include <linux/types.h> #include <linux/err.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "ad7606.h" #define MAX_SPI_FREQ_HZ 23500000 /* VDRIVE above 4.75 V */ diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index a13e58c814e6..1ece2ac8de56 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -18,8 +18,8 @@ #include <linux/gpio.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "ad7780.h" @@ -94,7 +94,7 @@ static int ad7780_read_raw(struct iio_dev *indio_dev, unsigned long scale_uv; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); ret = ad7780_read(st, &smpl); mutex_unlock(&indio_dev->mlock); @@ -126,14 +126,34 @@ static int ad7780_read_raw(struct iio_dev *indio_dev, static const struct ad7780_chip_info ad7780_chip_info_tbl[] = { [ID_AD7780] = { - .channel = IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('s', 24, 32, 8), 0), + .channel = { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + .shift = 8, + }, + }, }, [ID_AD7781] = { - .channel = IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - 0, 0, IIO_ST('s', 20, 32, 12), 0), + .channel = { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .scan_type = { + .sign = 's', + .realbits = 20, + .storagebits = 32, + .shift = 12, + }, + }, }, }; @@ -167,7 +187,7 @@ static int __devinit ad7780_probe(struct spi_device *spi) return -ENODEV; } - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -245,7 +265,7 @@ error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -262,7 +282,7 @@ static int ad7780_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c index 84ecde1ad042..61df7964f949 100644 --- a/drivers/staging/iio/adc/ad7793.c +++ b/drivers/staging/iio/adc/ad7793.c @@ -1,7 +1,7 @@ /* * AD7792/AD7793 SPI ADC driver * - * Copyright 2011 Analog Devices Inc. + * Copyright 2011-2012 Analog Devices Inc. * * Licensed under the GPL-2. */ @@ -18,12 +18,12 @@ #include <linux/delay.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" -#include "../ring_sw.h" -#include "../trigger.h" -#include "../trigger_consumer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger.h> +#include <linux/iio/trigger_consumer.h> #include "ad7793.h" @@ -319,31 +319,18 @@ out: static int ad7793_ring_preenable(struct iio_dev *indio_dev) { struct ad7793_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; - size_t d_size; unsigned channel; + int ret; if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; channel = find_first_bit(indio_dev->active_scan_mask, indio_dev->masklength); - d_size = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * - indio_dev->channels[0].scan_type.storagebits / 8; - - if (ring->scan_timestamp) { - d_size += sizeof(s64); - - if (d_size % sizeof(s64)) - d_size += sizeof(s64) - (d_size % sizeof(s64)); - } - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, d_size); - st->mode = (st->mode & ~AD7793_MODE_SEL(-1)) | AD7793_MODE_SEL(AD7793_MODE_CONT); st->conf = (st->conf & ~AD7793_CONF_CHAN(-1)) | @@ -399,7 +386,7 @@ static irqreturn_t ad7793_trigger_handler(int irq, void *p) indio_dev->channels[0].scan_type.realbits/8); /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) dat64[1] = pf->timestamp; ring->access->store_to(ring, (u8 *)dat64, pf->timestamp); @@ -422,7 +409,7 @@ static int ad7793_register_ring_funcs_and_init(struct iio_dev *indio_dev) { int ret; - indio_dev->buffer = iio_sw_rb_allocate(indio_dev); + indio_dev->buffer = iio_kfifo_allocate(indio_dev); if (!indio_dev->buffer) { ret = -ENOMEM; goto error_ret; @@ -435,7 +422,7 @@ static int ad7793_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->id); if (indio_dev->pollfunc == NULL) { ret = -ENOMEM; - goto error_deallocate_sw_rb; + goto error_deallocate_kfifo; } /* Ring buffer functions - here trigger setup related */ @@ -445,8 +432,8 @@ static int ad7793_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->modes |= INDIO_BUFFER_TRIGGERED; return 0; -error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->buffer); +error_deallocate_kfifo: + iio_kfifo_free(indio_dev->buffer); error_ret: return ret; } @@ -454,7 +441,7 @@ error_ret: static void ad7793_ring_cleanup(struct iio_dev *indio_dev) { iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); + iio_kfifo_free(indio_dev->buffer); } /** @@ -482,7 +469,7 @@ static int ad7793_probe_trigger(struct iio_dev *indio_dev) struct ad7793_state *st = iio_priv(indio_dev); int ret; - st->trig = iio_allocate_trigger("%s-dev%d", + st->trig = iio_trigger_alloc("%s-dev%d", spi_get_device_id(st->spi)->name, indio_dev->id); if (st->trig == NULL) { @@ -516,7 +503,7 @@ static int ad7793_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->spi->irq, indio_dev); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -527,7 +514,7 @@ static void ad7793_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(st->trig); free_irq(st->spi->irq, indio_dev); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } static const u16 sample_freq_avail[16] = {0, 470, 242, 123, 62, 50, 39, 33, 19, @@ -630,7 +617,7 @@ static int ad7793_read_raw(struct iio_dev *indio_dev, bool unipolar = !!(st->conf & AD7793_CONF_UNIPOLAR); switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); if (iio_buffer_enabled(indio_dev)) ret = -EBUSY; @@ -760,7 +747,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 0, .channel2 = 0, .address = AD7793_CH_AIN1P_AIN1M, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = 0, .scan_type = IIO_ST('s', 24, 32, 0) }, @@ -771,7 +759,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 1, .channel2 = 1, .address = AD7793_CH_AIN2P_AIN2M, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = 1, .scan_type = IIO_ST('s', 24, 32, 0) }, @@ -782,7 +771,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 2, .channel2 = 2, .address = AD7793_CH_AIN3P_AIN3M, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = 2, .scan_type = IIO_ST('s', 24, 32, 0) }, @@ -794,7 +784,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 2, .channel2 = 2, .address = AD7793_CH_AIN1M_AIN1M, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = 2, .scan_type = IIO_ST('s', 24, 32, 0) }, @@ -803,7 +794,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .indexed = 1, .channel = 0, .address = AD7793_CH_TEMP, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .scan_index = 4, .scan_type = IIO_ST('s', 24, 32, 0), }, @@ -813,7 +805,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .indexed = 1, .channel = 4, .address = AD7793_CH_AVDD_MONITOR, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .scan_index = 5, .scan_type = IIO_ST('s', 24, 32, 0), }, @@ -827,7 +820,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 0, .channel2 = 0, .address = AD7793_CH_AIN1P_AIN1M, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = 0, .scan_type = IIO_ST('s', 16, 32, 0) }, @@ -838,7 +832,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 1, .channel2 = 1, .address = AD7793_CH_AIN2P_AIN2M, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = 1, .scan_type = IIO_ST('s', 16, 32, 0) }, @@ -849,7 +844,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 2, .channel2 = 2, .address = AD7793_CH_AIN3P_AIN3M, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = 2, .scan_type = IIO_ST('s', 16, 32, 0) }, @@ -861,7 +857,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 2, .channel2 = 2, .address = AD7793_CH_AIN1M_AIN1M, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = 2, .scan_type = IIO_ST('s', 16, 32, 0) }, @@ -870,7 +867,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .indexed = 1, .channel = 0, .address = AD7793_CH_TEMP, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .scan_index = 4, .scan_type = IIO_ST('s', 16, 32, 0), }, @@ -880,7 +878,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .indexed = 1, .channel = 4, .address = AD7793_CH_AVDD_MONITOR, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .scan_index = 5, .scan_type = IIO_ST('s', 16, 32, 0), }, @@ -905,7 +904,7 @@ static int __devinit ad7793_probe(struct spi_device *spi) return -ENODEV; } - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -989,7 +988,7 @@ error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -1009,7 +1008,7 @@ static int ad7793_remove(struct spi_device *spi) regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c index 52b720e2b03a..c97da5b66435 100644 --- a/drivers/staging/iio/adc/ad7816.c +++ b/drivers/staging/iio/adc/ad7816.c @@ -16,9 +16,9 @@ #include <linux/spi/spi.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> /* * AD7816 config masks @@ -354,7 +354,7 @@ static int __devinit ad7816_probe(struct spi_device *spi_dev) return -EINVAL; } - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -426,7 +426,7 @@ error_free_gpio_convert: error_free_gpio_rdwr: gpio_free(chip->rdwr_pin); error_free_device: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -443,7 +443,7 @@ static int __devexit ad7816_remove(struct spi_device *spi_dev) gpio_free(chip->busy_pin); gpio_free(chip->convert_pin); gpio_free(chip->rdwr_pin); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad7887.h b/drivers/staging/iio/adc/ad7887.h index bc53b6532121..2e09e54fc9c5 100644 --- a/drivers/staging/iio/adc/ad7887.h +++ b/drivers/staging/iio/adc/ad7887.h @@ -63,7 +63,6 @@ struct ad7887_state { struct spi_device *spi; const struct ad7887_chip_info *chip_info; struct regulator *reg; - size_t d_size; u16 int_vref_mv; struct spi_transfer xfer[4]; struct spi_message msg[3]; diff --git a/drivers/staging/iio/adc/ad7887_core.c b/drivers/staging/iio/adc/ad7887_core.c index e9bbc3eed15d..7186074deeb3 100644 --- a/drivers/staging/iio/adc/ad7887_core.c +++ b/drivers/staging/iio/adc/ad7887_core.c @@ -15,9 +15,9 @@ #include <linux/err.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "ad7887.h" @@ -42,7 +42,7 @@ static int ad7887_read_raw(struct iio_dev *indio_dev, unsigned int scale_uv; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); if (iio_buffer_enabled(indio_dev)) ret = -EBUSY; @@ -75,7 +75,8 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .address = 1, .scan_index = 1, .scan_type = IIO_ST('u', 12, 16, 0), @@ -84,7 +85,8 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .address = 0, .scan_index = 0, .scan_type = IIO_ST('u', 12, 16, 0), @@ -104,7 +106,7 @@ static int __devinit ad7887_probe(struct spi_device *spi) struct ad7887_platform_data *pdata = spi->dev.platform_data; struct ad7887_state *st; int ret, voltage_uv = 0; - struct iio_dev *indio_dev = iio_allocate_device(sizeof(*st)); + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -220,7 +222,7 @@ error_disable_reg: error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -237,7 +239,7 @@ static int ad7887_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad7887_ring.c b/drivers/staging/iio/adc/ad7887_ring.c index d1809079b63d..fd91384db894 100644 --- a/drivers/staging/iio/adc/ad7887_ring.c +++ b/drivers/staging/iio/adc/ad7887_ring.c @@ -1,5 +1,5 @@ /* - * Copyright 2010-2011 Analog Devices Inc. + * Copyright 2010-2012 Analog Devices Inc. * Copyright (C) 2008 Jonathan Cameron * * Licensed under the GPL-2. @@ -12,10 +12,10 @@ #include <linux/slab.h> #include <linux/spi/spi.h> -#include "../iio.h" -#include "../buffer.h" -#include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/iio.h> +#include <linux/iio/buffer.h> +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger_consumer.h> #include "ad7887.h" @@ -29,22 +29,11 @@ static int ad7887_ring_preenable(struct iio_dev *indio_dev) { struct ad7887_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; - - st->d_size = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * - st->chip_info->channel[0].scan_type.storagebits / 8; - - if (ring->scan_timestamp) { - st->d_size += sizeof(s64); - - if (st->d_size % sizeof(s64)) - st->d_size += sizeof(s64) - (st->d_size % sizeof(s64)); - } + int ret; - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, st->d_size); + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; /* We know this is a single long so can 'cheat' */ switch (*indio_dev->active_scan_mask) { @@ -83,7 +72,6 @@ static irqreturn_t ad7887_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct ad7887_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; s64 time_ns; __u8 *buf; int b_sent; @@ -92,7 +80,7 @@ static irqreturn_t ad7887_trigger_handler(int irq, void *p) indio_dev->masklength) * st->chip_info->channel[0].scan_type.storagebits / 8; - buf = kzalloc(st->d_size, GFP_KERNEL); + buf = kzalloc(indio_dev->scan_bytes, GFP_KERNEL); if (buf == NULL) return -ENOMEM; @@ -103,8 +91,8 @@ static irqreturn_t ad7887_trigger_handler(int irq, void *p) time_ns = iio_get_time_ns(); memcpy(buf, st->data, bytes); - if (ring->scan_timestamp) - memcpy(buf + st->d_size - sizeof(s64), + if (indio_dev->scan_timestamp) + memcpy(buf + indio_dev->scan_bytes - sizeof(s64), &time_ns, sizeof(time_ns)); indio_dev->buffer->access->store_to(indio_dev->buffer, buf, time_ns); @@ -126,7 +114,7 @@ int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev) { int ret; - indio_dev->buffer = iio_sw_rb_allocate(indio_dev); + indio_dev->buffer = iio_kfifo_allocate(indio_dev); if (!indio_dev->buffer) { ret = -ENOMEM; goto error_ret; @@ -139,7 +127,7 @@ int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->id); if (indio_dev->pollfunc == NULL) { ret = -ENOMEM; - goto error_deallocate_sw_rb; + goto error_deallocate_kfifo; } /* Ring buffer functions - here trigger setup related */ indio_dev->setup_ops = &ad7887_ring_setup_ops; @@ -148,8 +136,8 @@ int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->modes |= INDIO_BUFFER_TRIGGERED; return 0; -error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->buffer); +error_deallocate_kfifo: + iio_kfifo_free(indio_dev->buffer); error_ret: return ret; } @@ -157,5 +145,5 @@ error_ret: void ad7887_ring_cleanup(struct iio_dev *indio_dev) { iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); + iio_kfifo_free(indio_dev->buffer); } diff --git a/drivers/staging/iio/adc/ad799x.h b/drivers/staging/iio/adc/ad799x.h index 356f690a76fb..99f8abe9731b 100644 --- a/drivers/staging/iio/adc/ad799x.h +++ b/drivers/staging/iio/adc/ad799x.h @@ -104,7 +104,6 @@ struct ad799x_chip_info { struct ad799x_state { struct i2c_client *client; const struct ad799x_chip_info *chip_info; - size_t d_size; struct iio_trigger *trig; struct regulator *reg; u16 int_vref_mv; diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index a8458669350f..cc637b5a36e5 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -33,10 +33,10 @@ #include <linux/err.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> +#include <linux/iio/buffer.h> #include "ad799x.h" @@ -148,7 +148,7 @@ static int ad799x_read_raw(struct iio_dev *indio_dev, unsigned int scale_uv; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); if (iio_buffer_enabled(indio_dev)) ret = -EBUSY; @@ -454,6 +454,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 0, .scan_type = IIO_ST('u', 12, 16, 0), }, @@ -461,6 +462,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 1, .scan_type = IIO_ST('u', 12, 16, 0), }, @@ -468,6 +470,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 2, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 2, .scan_type = IIO_ST('u', 12, 16, 0), }, @@ -475,6 +478,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 3, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 3, .scan_type = IIO_ST('u', 12, 16, 0), }, @@ -490,6 +494,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 0, .scan_type = IIO_ST('u', 10, 16, 2), }, @@ -497,6 +502,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 1, .scan_type = IIO_ST('u', 10, 16, 2), }, @@ -504,6 +510,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 2, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 2, .scan_type = IIO_ST('u', 10, 16, 2), }, @@ -511,6 +518,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 3, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 3, .scan_type = IIO_ST('u', 10, 16, 2), }, @@ -526,6 +534,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 0, .scan_type = IIO_ST('u', 8, 16, 4), }, @@ -533,6 +542,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 1, .scan_type = IIO_ST('u', 8, 16, 4), }, @@ -540,6 +550,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 2, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 2, .scan_type = IIO_ST('u', 8, 16, 4), }, @@ -547,6 +558,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 3, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 3, .scan_type = IIO_ST('u', 8, 16, 4), }, @@ -562,6 +574,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 0, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -570,6 +583,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 1, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -587,6 +601,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 0, .scan_type = IIO_ST('u', 10, 16, 2), .event_mask = AD799X_EV_MASK, @@ -596,6 +611,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .indexed = 1, .channel = 1, .scan_index = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_type = IIO_ST('u', 10, 16, 2), .event_mask = AD799X_EV_MASK, }, @@ -603,6 +619,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 2, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 2, .scan_type = IIO_ST('u', 10, 16, 2), .event_mask = AD799X_EV_MASK, @@ -611,6 +628,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 3, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 3, .scan_type = IIO_ST('u', 10, 16, 2), .event_mask = AD799X_EV_MASK, @@ -628,6 +646,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 0, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -636,6 +655,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 1, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -644,6 +664,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 2, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 2, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -652,6 +673,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 3, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 3, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -669,6 +691,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 0, .scan_type = IIO_ST('u', 10, 16, 2), .event_mask = AD799X_EV_MASK, @@ -677,6 +700,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 1, .scan_type = IIO_ST('u', 10, 16, 2), .event_mask = AD799X_EV_MASK, @@ -685,6 +709,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 2, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 2, .scan_type = IIO_ST('u', 10, 16, 2), .event_mask = AD799X_EV_MASK, @@ -693,6 +718,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 3, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 3, .scan_type = IIO_ST('u', 10, 16, 2), .event_mask = AD799X_EV_MASK, @@ -701,6 +727,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 4, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 4, .scan_type = IIO_ST('u', 10, 16, 2), }, @@ -708,6 +735,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 5, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 5, .scan_type = IIO_ST('u', 10, 16, 2), }, @@ -715,6 +743,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 6, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 6, .scan_type = IIO_ST('u', 10, 16, 2), }, @@ -722,6 +751,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 7, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 7, .scan_type = IIO_ST('u', 10, 16, 2), }, @@ -738,6 +768,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 0, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -746,6 +777,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 1, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -754,6 +786,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 2, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 2, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -762,6 +795,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 3, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 3, .scan_type = IIO_ST('u', 12, 16, 0), .event_mask = AD799X_EV_MASK, @@ -770,6 +804,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 4, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 4, .scan_type = IIO_ST('u', 12, 16, 0), }, @@ -777,6 +812,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 5, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 5, .scan_type = IIO_ST('u', 12, 16, 0), }, @@ -784,6 +820,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 6, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 6, .scan_type = IIO_ST('u', 12, 16, 0), }, @@ -791,6 +828,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 7, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .scan_index = 7, .scan_type = IIO_ST('u', 12, 16, 0), }, @@ -809,7 +847,7 @@ static int __devinit ad799x_probe(struct i2c_client *client, int ret; struct ad799x_platform_data *pdata = client->dev.platform_data; struct ad799x_state *st; - struct iio_dev *indio_dev = iio_allocate_device(sizeof(*st)); + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -882,7 +920,7 @@ error_disable_reg: error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -902,7 +940,7 @@ static __devexit int ad799x_remove(struct i2c_client *client) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/ad799x_ring.c b/drivers/staging/iio/adc/ad799x_ring.c index 069765cab275..1c7ff4423db4 100644 --- a/drivers/staging/iio/adc/ad799x_ring.c +++ b/drivers/staging/iio/adc/ad799x_ring.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 Michael Hennerich, Analog Devices Inc. + * Copyright (C) 2010-2012 Michael Hennerich, Analog Devices Inc. * Copyright (C) 2008-2010 Jonathan Cameron * * This program is free software; you can redistribute it and/or modify @@ -16,10 +16,10 @@ #include <linux/i2c.h> #include <linux/bitops.h> -#include "../iio.h" -#include "../buffer.h" -#include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/iio.h> +#include <linux/iio/buffer.h> +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger_consumer.h> #include "ad799x.h" @@ -32,9 +32,7 @@ **/ static int ad799x_ring_preenable(struct iio_dev *indio_dev) { - struct iio_buffer *ring = indio_dev->buffer; struct ad799x_state *st = iio_priv(indio_dev); - /* * Need to figure out the current mode based upon the requested * scan mask in iio_dev @@ -43,21 +41,7 @@ static int ad799x_ring_preenable(struct iio_dev *indio_dev) if (st->id == ad7997 || st->id == ad7998) ad7997_8_set_scan_mode(st, *indio_dev->active_scan_mask); - st->d_size = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * 2; - - if (ring->scan_timestamp) { - st->d_size += sizeof(s64); - - if (st->d_size % sizeof(s64)) - st->d_size += sizeof(s64) - (st->d_size % sizeof(s64)); - } - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, st->d_size); - - return 0; + return iio_sw_buffer_preenable(indio_dev); } /** @@ -78,7 +62,7 @@ static irqreturn_t ad799x_trigger_handler(int irq, void *p) int b_sent; u8 cmd; - rxbuf = kmalloc(st->d_size, GFP_KERNEL); + rxbuf = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (rxbuf == NULL) goto out; @@ -111,8 +95,8 @@ static irqreturn_t ad799x_trigger_handler(int irq, void *p) time_ns = iio_get_time_ns(); - if (ring->scan_timestamp) - memcpy(rxbuf + st->d_size - sizeof(s64), + if (indio_dev->scan_timestamp) + memcpy(rxbuf + indio_dev->scan_bytes - sizeof(s64), &time_ns, sizeof(time_ns)); ring->access->store_to(indio_dev->buffer, rxbuf, time_ns); @@ -136,7 +120,7 @@ int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev) { int ret = 0; - indio_dev->buffer = iio_sw_rb_allocate(indio_dev); + indio_dev->buffer = iio_kfifo_allocate(indio_dev); if (!indio_dev->buffer) { ret = -ENOMEM; goto error_ret; @@ -150,7 +134,7 @@ int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->id); if (indio_dev->pollfunc == NULL) { ret = -ENOMEM; - goto error_deallocate_sw_rb; + goto error_deallocate_kfifo; } /* Ring buffer functions - here trigger setup related */ @@ -161,8 +145,8 @@ int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->modes |= INDIO_BUFFER_TRIGGERED; return 0; -error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->buffer); +error_deallocate_kfifo: + iio_kfifo_free(indio_dev->buffer); error_ret: return ret; } @@ -170,5 +154,5 @@ error_ret: void ad799x_ring_cleanup(struct iio_dev *indio_dev) { iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); + iio_kfifo_free(indio_dev->buffer); } diff --git a/drivers/staging/iio/adc/adt7310.c b/drivers/staging/iio/adc/adt7310.c index caf57c1169b1..ba4e571a112a 100644 --- a/drivers/staging/iio/adc/adt7310.c +++ b/drivers/staging/iio/adc/adt7310.c @@ -15,9 +15,9 @@ #include <linux/spi/spi.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> /* * ADT7310 registers definition */ @@ -753,7 +753,7 @@ static int __devinit adt7310_probe(struct spi_device *spi_dev) unsigned long *adt7310_platform_data = spi_dev->dev.platform_data; unsigned long irq_flags; - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -833,7 +833,7 @@ error_unreg_int_irq: error_unreg_ct_irq: free_irq(spi_dev->irq, indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -849,7 +849,7 @@ static int __devexit adt7310_remove(struct spi_device *spi_dev) free_irq(adt7310_platform_data[0], indio_dev); if (spi_dev->irq) free_irq(spi_dev->irq, indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c index dff3e8ca2d78..2d4b5c6cd8fc 100644 --- a/drivers/staging/iio/adc/adt7410.c +++ b/drivers/staging/iio/adc/adt7410.c @@ -15,9 +15,9 @@ #include <linux/i2c.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> /* * ADT7410 registers definition @@ -721,7 +721,7 @@ static int __devinit adt7410_probe(struct i2c_client *client, int ret = 0; unsigned long *adt7410_platform_data = client->dev.platform_data; - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -797,7 +797,7 @@ error_unreg_int_irq: error_unreg_ct_irq: free_irq(client->irq, indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -812,7 +812,7 @@ static int __devexit adt7410_remove(struct i2c_client *client) free_irq(adt7410_platform_data[0], indio_dev); if (client->irq) free_irq(client->irq, indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c index dfc9033843a3..9690306d1f8f 100644 --- a/drivers/staging/iio/adc/lpc32xx_adc.c +++ b/drivers/staging/iio/adc/lpc32xx_adc.c @@ -30,9 +30,10 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/completion.h> +#include <linux/of.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> /* * LPC32XX registers definitions @@ -73,7 +74,7 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev, { struct lpc32xx_adc_info *info = iio_priv(indio_dev); - if (mask == 0) { + if (mask == IIO_CHAN_INFO_RAW) { mutex_lock(&indio_dev->mlock); clk_enable(info->clk); /* Measurement setup */ @@ -98,12 +99,13 @@ static const struct iio_info lpc32xx_adc_iio_info = { .driver_module = THIS_MODULE, }; -#define LPC32XX_ADC_CHANNEL(_index) { \ - .type = IIO_VOLTAGE, \ - .indexed = 1, \ - .channel = _index, \ - .address = AD_IN * _index, \ - .scan_index = _index, \ +#define LPC32XX_ADC_CHANNEL(_index) { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = _index, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, \ + .address = AD_IN * _index, \ + .scan_index = _index, \ } static struct iio_chan_spec lpc32xx_adc_iio_channels[] = { @@ -139,7 +141,7 @@ static int __devinit lpc32xx_adc_probe(struct platform_device *pdev) goto errout1; } - iodev = iio_allocate_device(sizeof(struct lpc32xx_adc_info)); + iodev = iio_device_alloc(sizeof(struct lpc32xx_adc_info)); if (!iodev) { dev_err(&pdev->dev, "failed allocating iio device\n"); retval = -ENOMEM; @@ -200,7 +202,7 @@ errout4: errout3: iounmap(info->adc_base); errout2: - iio_free_device(iodev); + iio_device_free(iodev); errout1: return retval; } @@ -216,17 +218,26 @@ static int __devexit lpc32xx_adc_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); clk_put(info->clk); iounmap(info->adc_base); - iio_free_device(iodev); + iio_device_free(iodev); return 0; } +#ifdef CONFIG_OF +static const struct of_device_id lpc32xx_adc_match[] = { + { .compatible = "nxp,lpc3220-adc" }, + {}, +}; +MODULE_DEVICE_TABLE(of, lpc32xx_adc_match); +#endif + static struct platform_driver lpc32xx_adc_driver = { .probe = lpc32xx_adc_probe, .remove = __devexit_p(lpc32xx_adc_remove), .driver = { .name = MOD_NAME, .owner = THIS_MODULE, + .of_match_table = of_match_ptr(lpc32xx_adc_match), }, }; diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c index cf3e2ca7e314..572a500d6e51 100644 --- a/drivers/staging/iio/adc/max1363_core.c +++ b/drivers/staging/iio/adc/max1363_core.c @@ -32,10 +32,11 @@ #include <linux/err.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> +#include <linux/iio/buffer.h> +#include <linux/iio/driver.h> #include "max1363.h" @@ -248,7 +249,7 @@ static int max1363_read_raw(struct iio_dev *indio_dev, struct max1363_state *st = iio_priv(indio_dev); int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: ret = max1363_read_single_chan(indio_dev, chan, val, m); if (ret < 0) return ret; @@ -281,7 +282,8 @@ static const enum max1363_modes max1363_mode_list[] = { #define MAX1363_EV_M \ (IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) \ | IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING)) -#define MAX1363_INFO_MASK IIO_CHAN_INFO_SCALE_SHARED_BIT +#define MAX1363_INFO_MASK (IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT) #define MAX1363_CHAN_U(num, addr, si, bits, evmask) \ { \ .type = IIO_VOLTAGE, \ @@ -830,6 +832,7 @@ static struct attribute_group max1363_event_attribute_group = { static const struct iio_info max1238_info = { .read_raw = &max1363_read_raw, .driver_module = THIS_MODULE, + .update_scan_mode = &max1363_update_scan_mode, }; static const struct iio_info max1363_info = { @@ -1284,11 +1287,14 @@ static int __devinit max1363_probe(struct i2c_client *client, if (ret) goto error_put_reg; - indio_dev = iio_allocate_device(sizeof(struct max1363_state)); + indio_dev = iio_device_alloc(sizeof(struct max1363_state)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_disable_reg; } + ret = iio_map_array_register(indio_dev, client->dev.platform_data); + if (ret < 0) + goto error_free_device; st = iio_priv(indio_dev); st->reg = reg; /* this is only used for device removal purposes */ @@ -1299,7 +1305,7 @@ static int __devinit max1363_probe(struct i2c_client *client, ret = max1363_alloc_scan_masks(indio_dev); if (ret) - goto error_free_device; + goto error_unregister_map; /* Estabilish that the iio_dev is a child of the i2c device */ indio_dev->dev.parent = &client->dev; @@ -1349,8 +1355,10 @@ error_cleanup_ring: max1363_ring_cleanup(indio_dev); error_free_available_scan_masks: kfree(indio_dev->available_scan_masks); +error_unregister_map: + iio_map_array_unregister(indio_dev, client->dev.platform_data); error_free_device: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_disable_reg: regulator_disable(reg); error_put_reg: @@ -1375,7 +1383,8 @@ static int max1363_remove(struct i2c_client *client) regulator_disable(reg); regulator_put(reg); } - iio_free_device(indio_dev); + iio_map_array_unregister(indio_dev, client->dev.platform_data); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c index d0a60a382930..b30201300121 100644 --- a/drivers/staging/iio/adc/max1363_ring.c +++ b/drivers/staging/iio/adc/max1363_ring.c @@ -14,10 +14,10 @@ #include <linux/i2c.h> #include <linux/bitops.h> -#include "../iio.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/buffer.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "max1363.h" @@ -54,7 +54,7 @@ static irqreturn_t max1363_trigger_handler(int irq, void *p) d_size = numvals*2; else d_size = numvals; - if (indio_dev->buffer->scan_timestamp) { + if (indio_dev->scan_timestamp) { d_size += sizeof(s64); if (d_size % sizeof(s64)) d_size += sizeof(s64) - (d_size % sizeof(s64)); @@ -78,7 +78,7 @@ static irqreturn_t max1363_trigger_handler(int irq, void *p) time_ns = iio_get_time_ns(); - if (indio_dev->buffer->scan_timestamp) + if (indio_dev->scan_timestamp) memcpy(rxbuf + d_size - sizeof(s64), &time_ns, sizeof(time_ns)); iio_push_to_buffer(indio_dev->buffer, rxbuf, time_ns); diff --git a/drivers/staging/iio/adc/spear_adc.c b/drivers/staging/iio/adc/spear_adc.c new file mode 100644 index 000000000000..8c6013f0a4b3 --- /dev/null +++ b/drivers/staging/iio/adc/spear_adc.c @@ -0,0 +1,448 @@ +/* + * ST SPEAr ADC driver + * + * Copyright 2012 Stefan Roese <sr@denx.de> + * + * Licensed under the GPL-2. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/completion.h> +#include <linux/of.h> +#include <linux/of_address.h> + +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> + +/* + * SPEAR registers definitions + */ + +#define SCAN_RATE_LO(x) ((x) & 0xFFFF) +#define SCAN_RATE_HI(x) (((x) >> 0x10) & 0xFFFF) +#define CLK_LOW(x) (((x) & 0xf) << 0) +#define CLK_HIGH(x) (((x) & 0xf) << 4) + +/* Bit definitions for SPEAR_ADC_STATUS */ +#define START_CONVERSION (1 << 0) +#define CHANNEL_NUM(x) ((x) << 1) +#define ADC_ENABLE (1 << 4) +#define AVG_SAMPLE(x) ((x) << 5) +#define VREF_INTERNAL (1 << 9) + +#define DATA_MASK 0x03ff +#define DATA_BITS 10 + +#define MOD_NAME "spear-adc" + +#define ADC_CHANNEL_NUM 8 + +#define CLK_MIN 2500000 +#define CLK_MAX 20000000 + +struct adc_regs_spear3xx { + u32 status; + u32 average; + u32 scan_rate; + u32 clk; /* Not avail for 1340 & 1310 */ + u32 ch_ctrl[ADC_CHANNEL_NUM]; + u32 ch_data[ADC_CHANNEL_NUM]; +}; + +struct chan_data { + u32 lsb; + u32 msb; +}; + +struct adc_regs_spear6xx { + u32 status; + u32 pad[2]; + u32 clk; + u32 ch_ctrl[ADC_CHANNEL_NUM]; + struct chan_data ch_data[ADC_CHANNEL_NUM]; + u32 scan_rate_lo; + u32 scan_rate_hi; + struct chan_data average; +}; + +struct spear_adc_info { + struct device_node *np; + struct adc_regs_spear3xx __iomem *adc_base_spear3xx; + struct adc_regs_spear6xx __iomem *adc_base_spear6xx; + struct clk *clk; + struct completion completion; + u32 current_clk; + u32 sampling_freq; + u32 avg_samples; + u32 vref_external; + u32 value; +}; + +/* + * Functions to access some SPEAr ADC register. Abstracted into + * static inline functions, because of different register offsets + * on different SoC variants (SPEAr300 vs SPEAr600 etc). + */ +static void spear_adc_set_status(struct spear_adc_info *info, u32 val) +{ + __raw_writel(val, &info->adc_base_spear6xx->status); +} + +static void spear_adc_set_clk(struct spear_adc_info *info, u32 val) +{ + u32 clk_high, clk_low, count; + u32 apb_clk = clk_get_rate(info->clk); + + count = (apb_clk + val - 1) / val; + clk_low = count / 2; + clk_high = count - clk_low; + info->current_clk = apb_clk / count; + + __raw_writel(CLK_LOW(clk_low) | CLK_HIGH(clk_high), + &info->adc_base_spear6xx->clk); +} + +static void spear_adc_set_ctrl(struct spear_adc_info *info, int n, + u32 val) +{ + __raw_writel(val, &info->adc_base_spear6xx->ch_ctrl[n]); +} + +static u32 spear_adc_get_average(struct spear_adc_info *info) +{ + if (of_device_is_compatible(info->np, "st,spear600-adc")) { + return __raw_readl(&info->adc_base_spear6xx->average.msb) & + DATA_MASK; + } else { + return __raw_readl(&info->adc_base_spear3xx->average) & + DATA_MASK; + } +} + +static void spear_adc_set_scanrate(struct spear_adc_info *info, u32 rate) +{ + if (of_device_is_compatible(info->np, "st,spear600-adc")) { + __raw_writel(SCAN_RATE_LO(rate), + &info->adc_base_spear6xx->scan_rate_lo); + __raw_writel(SCAN_RATE_HI(rate), + &info->adc_base_spear6xx->scan_rate_hi); + } else { + __raw_writel(rate, &info->adc_base_spear3xx->scan_rate); + } +} + +static int spear_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, + int *val2, + long mask) +{ + struct spear_adc_info *info = iio_priv(indio_dev); + u32 scale_mv; + u32 status; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + mutex_lock(&indio_dev->mlock); + + status = CHANNEL_NUM(chan->channel) | + AVG_SAMPLE(info->avg_samples) | + START_CONVERSION | ADC_ENABLE; + if (info->vref_external == 0) + status |= VREF_INTERNAL; + + spear_adc_set_status(info, status); + wait_for_completion(&info->completion); /* set by ISR */ + *val = info->value; + + mutex_unlock(&indio_dev->mlock); + + return IIO_VAL_INT; + + case IIO_CHAN_INFO_SCALE: + scale_mv = (info->vref_external * 1000) >> DATA_BITS; + *val = scale_mv / 1000; + *val2 = (scale_mv % 1000) * 1000; + return IIO_VAL_INT_PLUS_MICRO; + } + + return -EINVAL; +} + +#define SPEAR_ADC_CHAN(idx) { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .channel = idx, \ + .scan_type = { \ + .sign = 'u', \ + .storagebits = 16, \ + }, \ +} + +static struct iio_chan_spec spear_adc_iio_channels[] = { + SPEAR_ADC_CHAN(0), + SPEAR_ADC_CHAN(1), + SPEAR_ADC_CHAN(2), + SPEAR_ADC_CHAN(3), + SPEAR_ADC_CHAN(4), + SPEAR_ADC_CHAN(5), + SPEAR_ADC_CHAN(6), + SPEAR_ADC_CHAN(7), +}; + +static irqreturn_t spear_adc_isr(int irq, void *dev_id) +{ + struct spear_adc_info *info = (struct spear_adc_info *)dev_id; + + /* Read value to clear IRQ */ + info->value = spear_adc_get_average(info); + complete(&info->completion); + + return IRQ_HANDLED; +} + +static int spear_adc_configure(struct spear_adc_info *info) +{ + int i; + + /* Reset ADC core */ + spear_adc_set_status(info, 0); + __raw_writel(0, &info->adc_base_spear6xx->clk); + for (i = 0; i < 8; i++) + spear_adc_set_ctrl(info, i, 0); + spear_adc_set_scanrate(info, 0); + + spear_adc_set_clk(info, info->sampling_freq); + + return 0; +} + +static ssize_t spear_adc_read_frequency(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct spear_adc_info *info = iio_priv(indio_dev); + + return sprintf(buf, "%d\n", info->current_clk); +} + +static ssize_t spear_adc_write_frequency(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct spear_adc_info *info = iio_priv(indio_dev); + u32 clk_high, clk_low, count; + u32 apb_clk = clk_get_rate(info->clk); + unsigned long lval; + int ret; + + ret = kstrtoul(buf, 10, &lval); + if (ret) + return ret; + + mutex_lock(&indio_dev->mlock); + + if ((lval < CLK_MIN) || (lval > CLK_MAX)) { + ret = -EINVAL; + goto out; + } + + count = (apb_clk + lval - 1) / lval; + clk_low = count / 2; + clk_high = count - clk_low; + info->current_clk = apb_clk / count; + spear_adc_set_clk(info, lval); + +out: + mutex_unlock(&indio_dev->mlock); + + return ret ? ret : len; +} + +static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO, + spear_adc_read_frequency, + spear_adc_write_frequency); + +static struct attribute *spear_attributes[] = { + &iio_dev_attr_sampling_frequency.dev_attr.attr, + NULL +}; + +static const struct attribute_group spear_attribute_group = { + .attrs = spear_attributes, +}; + +static const struct iio_info spear_adc_iio_info = { + .read_raw = &spear_read_raw, + .attrs = &spear_attribute_group, + .driver_module = THIS_MODULE, +}; + +static int __devinit spear_adc_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct device *dev = &pdev->dev; + struct spear_adc_info *info; + struct iio_dev *iodev = NULL; + int ret = -ENODEV; + int irq; + + iodev = iio_device_alloc(sizeof(struct spear_adc_info)); + if (!iodev) { + dev_err(dev, "failed allocating iio device\n"); + ret = -ENOMEM; + goto errout1; + } + + info = iio_priv(iodev); + info->np = np; + + /* + * SPEAr600 has a different register layout than other SPEAr SoC's + * (e.g. SPEAr3xx). Let's provide two register base addresses + * to support multi-arch kernels. + */ + info->adc_base_spear6xx = of_iomap(np, 0); + if (!info->adc_base_spear6xx) { + dev_err(dev, "failed mapping memory\n"); + ret = -ENOMEM; + goto errout2; + } + info->adc_base_spear3xx = + (struct adc_regs_spear3xx *)info->adc_base_spear6xx; + + info->clk = clk_get(dev, NULL); + if (IS_ERR(info->clk)) { + dev_err(dev, "failed getting clock\n"); + goto errout3; + } + + ret = clk_prepare(info->clk); + if (ret) { + dev_err(dev, "failed preparing clock\n"); + goto errout4; + } + + ret = clk_enable(info->clk); + if (ret) { + dev_err(dev, "failed enabling clock\n"); + goto errout5; + } + + irq = platform_get_irq(pdev, 0); + if ((irq < 0) || (irq >= NR_IRQS)) { + dev_err(dev, "failed getting interrupt resource\n"); + ret = -EINVAL; + goto errout6; + } + + ret = devm_request_irq(dev, irq, spear_adc_isr, 0, MOD_NAME, info); + if (ret < 0) { + dev_err(dev, "failed requesting interrupt\n"); + goto errout6; + } + + if (of_property_read_u32(np, "sampling-frequency", + &info->sampling_freq)) { + dev_err(dev, "sampling-frequency missing in DT\n"); + ret = -EINVAL; + goto errout6; + } + + /* + * Optional avg_samples defaults to 0, resulting in single data + * conversion + */ + of_property_read_u32(np, "average-samples", &info->avg_samples); + + /* + * Optional vref_external defaults to 0, resulting in internal vref + * selection + */ + of_property_read_u32(np, "vref-external", &info->vref_external); + + spear_adc_configure(info); + + platform_set_drvdata(pdev, iodev); + + init_completion(&info->completion); + + iodev->name = MOD_NAME; + iodev->dev.parent = dev; + iodev->info = &spear_adc_iio_info; + iodev->modes = INDIO_DIRECT_MODE; + iodev->channels = spear_adc_iio_channels; + iodev->num_channels = ARRAY_SIZE(spear_adc_iio_channels); + + ret = iio_device_register(iodev); + if (ret) + goto errout6; + + dev_info(dev, "SPEAR ADC driver loaded, IRQ %d\n", irq); + + return 0; + +errout6: + clk_disable(info->clk); +errout5: + clk_unprepare(info->clk); +errout4: + clk_put(info->clk); +errout3: + iounmap(info->adc_base_spear6xx); +errout2: + iio_device_free(iodev); +errout1: + return ret; +} + +static int __devexit spear_adc_remove(struct platform_device *pdev) +{ + struct iio_dev *iodev = platform_get_drvdata(pdev); + struct spear_adc_info *info = iio_priv(iodev); + + iio_device_unregister(iodev); + platform_set_drvdata(pdev, NULL); + clk_disable(info->clk); + clk_unprepare(info->clk); + clk_put(info->clk); + iounmap(info->adc_base_spear6xx); + iio_device_free(iodev); + + return 0; +} + +static const struct of_device_id spear_adc_dt_ids[] = { + { .compatible = "st,spear600-adc", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, spear_adc_dt_ids); + +static struct platform_driver spear_adc_driver = { + .probe = spear_adc_probe, + .remove = __devexit_p(spear_adc_remove), + .driver = { + .name = MOD_NAME, + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(spear_adc_dt_ids), + }, +}; + +module_platform_driver(spear_adc_driver); + +MODULE_AUTHOR("Stefan Roese <sr@denx.de>"); +MODULE_DESCRIPTION("SPEAr ADC driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c index fd6a45444058..5aba804237ce 100644 --- a/drivers/staging/iio/addac/adt7316.c +++ b/drivers/staging/iio/addac/adt7316.c @@ -19,9 +19,9 @@ #include <linux/rtc.h> #include <linux/module.h> -#include "../iio.h" -#include "../events.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/events.h> +#include <linux/iio/sysfs.h> #include "adt7316.h" /* @@ -2133,7 +2133,7 @@ int __devinit adt7316_probe(struct device *dev, struct adt7316_bus *bus, unsigned short *adt7316_platform_data = dev->platform_data; int ret = 0; - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -2210,7 +2210,7 @@ int __devinit adt7316_probe(struct device *dev, struct adt7316_bus *bus, error_unreg_irq: free_irq(chip->bus.irq, indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -2224,7 +2224,7 @@ int __devexit adt7316_remove(struct device *dev) iio_device_unregister(indio_dev); if (chip->bus.irq) free_irq(chip->bus.irq, indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/buffer.h b/drivers/staging/iio/buffer.h deleted file mode 100644 index df2046dcb623..000000000000 --- a/drivers/staging/iio/buffer.h +++ /dev/null @@ -1,193 +0,0 @@ -/* The industrial I/O core - generic buffer interfaces. - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -#ifndef _IIO_BUFFER_GENERIC_H_ -#define _IIO_BUFFER_GENERIC_H_ -#include <linux/sysfs.h> -#include "iio.h" - -#ifdef CONFIG_IIO_BUFFER - -struct iio_buffer; - -/** - * struct iio_buffer_access_funcs - access functions for buffers. - * @store_to: actually store stuff to the buffer - * @read_first_n: try to get a specified number of bytes (must exist) - * @request_update: if a parameter change has been marked, update underlying - * storage. - * @get_bytes_per_datum:get current bytes per datum - * @set_bytes_per_datum:set number of bytes per datum - * @get_length: get number of datums in buffer - * @set_length: set number of datums in buffer - * - * The purpose of this structure is to make the buffer element - * modular as event for a given driver, different usecases may require - * different buffer designs (space efficiency vs speed for example). - * - * It is worth noting that a given buffer implementation may only support a - * small proportion of these functions. The core code 'should' cope fine with - * any of them not existing. - **/ -struct iio_buffer_access_funcs { - int (*store_to)(struct iio_buffer *buffer, u8 *data, s64 timestamp); - int (*read_first_n)(struct iio_buffer *buffer, - size_t n, - char __user *buf); - - int (*request_update)(struct iio_buffer *buffer); - - int (*get_bytes_per_datum)(struct iio_buffer *buffer); - int (*set_bytes_per_datum)(struct iio_buffer *buffer, size_t bpd); - int (*get_length)(struct iio_buffer *buffer); - int (*set_length)(struct iio_buffer *buffer, int length); -}; - -/** - * struct iio_buffer - general buffer structure - * @length: [DEVICE] number of datums in buffer - * @bytes_per_datum: [DEVICE] size of individual datum including timestamp - * @scan_el_attrs: [DRIVER] control of scan elements if that scan mode - * control method is used - * @scan_mask: [INTERN] bitmask used in masking scan mode elements - * @scan_index_timestamp:[INTERN] cache of the index to the timestamp - * @scan_timestamp: [INTERN] does the scan mode include a timestamp - * @access: [DRIVER] buffer access functions associated with the - * implementation. - * @scan_el_dev_attr_list:[INTERN] list of scan element related attributes. - * @scan_el_group: [DRIVER] attribute group for those attributes not - * created from the iio_chan_info array. - * @pollq: [INTERN] wait queue to allow for polling on the buffer. - * @stufftoread: [INTERN] flag to indicate new data. - * @demux_list: [INTERN] list of operations required to demux the scan. - * @demux_bounce: [INTERN] buffer for doing gather from incoming scan. - **/ -struct iio_buffer { - int length; - int bytes_per_datum; - struct attribute_group *scan_el_attrs; - long *scan_mask; - bool scan_timestamp; - unsigned scan_index_timestamp; - const struct iio_buffer_access_funcs *access; - struct list_head scan_el_dev_attr_list; - struct attribute_group scan_el_group; - wait_queue_head_t pollq; - bool stufftoread; - const struct attribute_group *attrs; - struct list_head demux_list; - unsigned char *demux_bounce; -}; - -/** - * iio_buffer_init() - Initialize the buffer structure - * @buffer: buffer to be initialized - **/ -void iio_buffer_init(struct iio_buffer *buffer); - -/** - * __iio_update_buffer() - update common elements of buffers - * @buffer: buffer that is the event source - * @bytes_per_datum: size of individual datum including timestamp - * @length: number of datums in buffer - **/ -static inline void __iio_update_buffer(struct iio_buffer *buffer, - int bytes_per_datum, int length) -{ - buffer->bytes_per_datum = bytes_per_datum; - buffer->length = length; -} - -int iio_scan_mask_query(struct iio_dev *indio_dev, - struct iio_buffer *buffer, int bit); - -/** - * iio_scan_mask_set() - set particular bit in the scan mask - * @buffer: the buffer whose scan mask we are interested in - * @bit: the bit to be set. - **/ -int iio_scan_mask_set(struct iio_dev *indio_dev, - struct iio_buffer *buffer, int bit); - -/** - * iio_push_to_buffer() - push to a registered buffer. - * @buffer: IIO buffer structure for device - * @scan: Full scan. - * @timestamp: - */ -int iio_push_to_buffer(struct iio_buffer *buffer, unsigned char *data, - s64 timestamp); - -int iio_update_demux(struct iio_dev *indio_dev); - -/** - * iio_buffer_register() - register the buffer with IIO core - * @indio_dev: device with the buffer to be registered - **/ -int iio_buffer_register(struct iio_dev *indio_dev, - const struct iio_chan_spec *channels, - int num_channels); - -/** - * iio_buffer_unregister() - unregister the buffer from IIO core - * @indio_dev: the device with the buffer to be unregistered - **/ -void iio_buffer_unregister(struct iio_dev *indio_dev); - -/** - * iio_buffer_read_length() - attr func to get number of datums in the buffer - **/ -ssize_t iio_buffer_read_length(struct device *dev, - struct device_attribute *attr, - char *buf); -/** - * iio_buffer_write_length() - attr func to set number of datums in the buffer - **/ -ssize_t iio_buffer_write_length(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len); -/** - * iio_buffer_store_enable() - attr to turn the buffer on - **/ -ssize_t iio_buffer_store_enable(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len); -/** - * iio_buffer_show_enable() - attr to see if the buffer is on - **/ -ssize_t iio_buffer_show_enable(struct device *dev, - struct device_attribute *attr, - char *buf); -#define IIO_BUFFER_LENGTH_ATTR DEVICE_ATTR(length, S_IRUGO | S_IWUSR, \ - iio_buffer_read_length, \ - iio_buffer_write_length) - -#define IIO_BUFFER_ENABLE_ATTR DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, \ - iio_buffer_show_enable, \ - iio_buffer_store_enable) - -int iio_sw_buffer_preenable(struct iio_dev *indio_dev); - -#else /* CONFIG_IIO_BUFFER */ - -static inline int iio_buffer_register(struct iio_dev *indio_dev, - struct iio_chan_spec *channels, - int num_channels) -{ - return 0; -} - -static inline void iio_buffer_unregister(struct iio_dev *indio_dev) -{}; - -#endif /* CONFIG_IIO_BUFFER */ - -#endif /* _IIO_BUFFER_GENERIC_H_ */ diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c index e4a08dc9b6f5..14470764fa0b 100644 --- a/drivers/staging/iio/cdc/ad7150.c +++ b/drivers/staging/iio/cdc/ad7150.c @@ -13,9 +13,9 @@ #include <linux/i2c.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> /* * AD7150 registers definition */ @@ -104,7 +104,7 @@ static int ad7150_read_raw(struct iio_dev *indio_dev, struct ad7150_chip_info *chip = iio_priv(indio_dev); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: ret = i2c_smbus_read_word_data(chip->client, ad7150_addresses[chan->channel][0]); if (ret < 0) @@ -429,7 +429,8 @@ static const struct iio_chan_spec ad7150_channels[] = { .type = IIO_CAPACITANCE, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT, .event_mask = IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) | IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING) | @@ -441,7 +442,8 @@ static const struct iio_chan_spec ad7150_channels[] = { .type = IIO_CAPACITANCE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT, .event_mask = IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) | IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING) | @@ -556,7 +558,7 @@ static int __devinit ad7150_probe(struct i2c_client *client, struct ad7150_chip_info *chip; struct iio_dev *indio_dev; - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -619,7 +621,7 @@ error_free_irq: if (client->irq) free_irq(client->irq, indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -635,7 +637,7 @@ static int __devexit ad7150_remove(struct i2c_client *client) if (client->dev.platform_data) free_irq(*(unsigned int *)client->dev.platform_data, indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/cdc/ad7152.c b/drivers/staging/iio/cdc/ad7152.c index fdb83c35e6dd..195d90748633 100644 --- a/drivers/staging/iio/cdc/ad7152.c +++ b/drivers/staging/iio/cdc/ad7152.c @@ -15,8 +15,8 @@ #include <linux/module.h> #include <linux/delay.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> /* * TODO: Check compliance of calibbias with abi (units) @@ -329,7 +329,7 @@ static int ad7152_read_raw(struct iio_dev *indio_dev, mutex_lock(&indio_dev->mlock); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: /* First set whether in differential mode */ regval = chip->setup[chan->channel]; @@ -436,7 +436,8 @@ static const struct iio_chan_spec ad7152_channels[] = { .type = IIO_CAPACITANCE, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, }, { @@ -445,14 +446,16 @@ static const struct iio_chan_spec ad7152_channels[] = { .indexed = 1, .channel = 0, .channel2 = 2, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, }, { .type = IIO_CAPACITANCE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, }, { @@ -461,7 +464,8 @@ static const struct iio_chan_spec ad7152_channels[] = { .indexed = 1, .channel = 1, .channel2 = 3, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, } @@ -477,7 +481,7 @@ static int __devinit ad7152_probe(struct i2c_client *client, struct ad7152_chip_info *chip; struct iio_dev *indio_dev; - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -509,7 +513,7 @@ static int __devinit ad7152_probe(struct i2c_client *client, return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -519,7 +523,7 @@ static int __devexit ad7152_remove(struct i2c_client *client) struct iio_dev *indio_dev = i2c_get_clientdata(client); iio_device_unregister(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c index 40b8512cbc32..e936831d5c96 100644 --- a/drivers/staging/iio/cdc/ad7746.c +++ b/drivers/staging/iio/cdc/ad7746.c @@ -16,8 +16,8 @@ #include <linux/module.h> #include <linux/stat.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "ad7746.h" @@ -123,7 +123,8 @@ static const struct iio_chan_spec ad7746_channels[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .address = AD7746_REG_VT_DATA_HIGH << 8 | AD7746_VTSETUP_VTMD_EXT_VIN, }, @@ -132,7 +133,8 @@ static const struct iio_chan_spec ad7746_channels[] = { .indexed = 1, .channel = 1, .extend_name = "supply", - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .address = AD7746_REG_VT_DATA_HIGH << 8 | AD7746_VTSETUP_VTMD_VDD_MON, }, @@ -140,7 +142,7 @@ static const struct iio_chan_spec ad7746_channels[] = { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .processed_val = IIO_PROCESSED, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT, .address = AD7746_REG_VT_DATA_HIGH << 8 | AD7746_VTSETUP_VTMD_INT_TEMP, }, @@ -148,7 +150,7 @@ static const struct iio_chan_spec ad7746_channels[] = { .type = IIO_TEMP, .indexed = 1, .channel = 1, - .processed_val = IIO_PROCESSED, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT, .address = AD7746_REG_VT_DATA_HIGH << 8 | AD7746_VTSETUP_VTMD_EXT_TEMP, }, @@ -156,7 +158,8 @@ static const struct iio_chan_spec ad7746_channels[] = { .type = IIO_CAPACITANCE, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | IIO_CHAN_INFO_CALIBBIAS_SHARED_BIT | IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT, @@ -168,7 +171,8 @@ static const struct iio_chan_spec ad7746_channels[] = { .indexed = 1, .channel = 0, .channel2 = 2, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | IIO_CHAN_INFO_CALIBBIAS_SHARED_BIT | IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT, @@ -179,7 +183,8 @@ static const struct iio_chan_spec ad7746_channels[] = { .type = IIO_CAPACITANCE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | IIO_CHAN_INFO_CALIBBIAS_SHARED_BIT | IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT, @@ -192,7 +197,8 @@ static const struct iio_chan_spec ad7746_channels[] = { .indexed = 1, .channel = 1, .channel2 = 3, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | IIO_CHAN_INFO_CALIBBIAS_SHARED_BIT | IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT, @@ -572,7 +578,8 @@ static int ad7746_read_raw(struct iio_dev *indio_dev, mutex_lock(&indio_dev->mlock); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: + case IIO_CHAN_INFO_PROCESSED: ret = ad7746_select_channel(indio_dev, chan); if (ret < 0) goto out; @@ -696,7 +703,7 @@ static int __devinit ad7746_probe(struct i2c_client *client, int ret = 0; unsigned char regval = 0; - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -756,7 +763,7 @@ static int __devinit ad7746_probe(struct i2c_client *client, return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -766,7 +773,7 @@ static int __devexit ad7746_remove(struct i2c_client *client) struct iio_dev *indio_dev = i2c_get_clientdata(client); iio_device_unregister(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/consumer.h b/drivers/staging/iio/consumer.h deleted file mode 100644 index 36a060cd3a21..000000000000 --- a/drivers/staging/iio/consumer.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Industrial I/O in kernel consumer interface - * - * Copyright (c) 2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ -#ifndef _IIO_INKERN_CONSUMER_H_ -#define _IIO_INKERN_CONSUMER_H -#include "types.h" - -struct iio_dev; -struct iio_chan_spec; - -/** - * struct iio_channel - everything needed for a consumer to use a channel - * @indio_dev: Device on which the channel exists. - * @channel: Full description of the channel. - */ -struct iio_channel { - struct iio_dev *indio_dev; - const struct iio_chan_spec *channel; -}; - -/** - * iio_channel_get() - get description of all that is needed to access channel. - * @name: Unique name of the device as provided in the iio_map - * with which the desired provider to consumer mapping - * was registered. - * @consumer_channel: Unique name to identify the channel on the consumer - * side. This typically describes the channels use within - * the consumer. E.g. 'battery_voltage' - */ -struct iio_channel *iio_st_channel_get(const char *name, - const char *consumer_channel); - -/** - * iio_st_channel_release() - release channels obtained via iio_st_channel_get - * @chan: The channel to be released. - */ -void iio_st_channel_release(struct iio_channel *chan); - -/** - * iio_st_channel_get_all() - get all channels associated with a client - * @name: name of consumer device. - * - * Returns an array of iio_channel structures terminated with one with - * null iio_dev pointer. - * This function is used by fairly generic consumers to get all the - * channels registered as having this consumer. - */ -struct iio_channel *iio_st_channel_get_all(const char *name); - -/** - * iio_st_channel_release_all() - reverse iio_st_get_all - * @chan: Array of channels to be released. - */ -void iio_st_channel_release_all(struct iio_channel *chan); - -/** - * iio_st_read_channel_raw() - read from a given channel - * @channel: The channel being queried. - * @val: Value read back. - * - * Note raw reads from iio channels are in adc counts and hence - * scale will need to be applied if standard units required. - */ -int iio_st_read_channel_raw(struct iio_channel *chan, - int *val); - -/** - * iio_st_get_channel_type() - get the type of a channel - * @channel: The channel being queried. - * @type: The type of the channel. - * - * returns the enum iio_chan_type of the channel - */ -int iio_st_get_channel_type(struct iio_channel *channel, - enum iio_chan_type *type); - -/** - * iio_st_read_channel_scale() - read the scale value for a channel - * @channel: The channel being queried. - * @val: First part of value read back. - * @val2: Second part of value read back. - * - * Note returns a description of what is in val and val2, such - * as IIO_VAL_INT_PLUS_MICRO telling us we have a value of val - * + val2/1e6 - */ -int iio_st_read_channel_scale(struct iio_channel *chan, int *val, - int *val2); - -#endif diff --git a/drivers/staging/iio/dac/Kconfig b/drivers/staging/iio/dac/Kconfig index a57803a5d1a7..a626f03871ec 100644 --- a/drivers/staging/iio/dac/Kconfig +++ b/drivers/staging/iio/dac/Kconfig @@ -56,12 +56,12 @@ config AD5624R_SPI AD5664R converters (DAC). This driver uses the common SPI interface. config AD5446 - tristate "Analog Devices AD5444/6, AD5620/40/60 and AD5542A/12A DAC SPI driver" + tristate "Analog Devices AD5446 and similar single channel DACs driver" depends on SPI help Say yes here to build support for Analog Devices AD5444, AD5446, - AD5512A, AD5542A, AD5543, AD5553, AD5601, AD5611, AD5620, AD5621, - AD5640, AD5660, AD5662 DACs. + AD5512A, AD5541A, AD5542A, AD5543, AD5553, AD5601, AD5611, AD5620, + AD5621, AD5640, AD5660, AD5662 DACs. To compile this driver as a module, choose M here: the module will be called ad5446. diff --git a/drivers/staging/iio/dac/ad5064.c b/drivers/staging/iio/dac/ad5064.c index 06b162745a3e..047148aa66b2 100644 --- a/drivers/staging/iio/dac/ad5064.c +++ b/drivers/staging/iio/dac/ad5064.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #define AD5064_MAX_DAC_CHANNELS 8 @@ -144,14 +144,14 @@ static const char ad5064_powerdown_modes[][15] = { }; static ssize_t ad5064_read_powerdown_mode_available(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, char *buf) + uintptr_t private, const struct iio_chan_spec *chan, char *buf) { return sprintf(buf, "%s %s %s\n", ad5064_powerdown_modes[1], ad5064_powerdown_modes[2], ad5064_powerdown_modes[3]); } static ssize_t ad5064_read_powerdown_mode(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, char *buf) + uintptr_t private, const struct iio_chan_spec *chan, char *buf) { struct ad5064_state *st = iio_priv(indio_dev); @@ -160,7 +160,8 @@ static ssize_t ad5064_read_powerdown_mode(struct iio_dev *indio_dev, } static ssize_t ad5064_write_powerdown_mode(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, const char *buf, size_t len) + uintptr_t private, const struct iio_chan_spec *chan, const char *buf, + size_t len) { struct ad5064_state *st = iio_priv(indio_dev); unsigned int mode, i; @@ -187,7 +188,7 @@ static ssize_t ad5064_write_powerdown_mode(struct iio_dev *indio_dev, } static ssize_t ad5064_read_dac_powerdown(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, char *buf) + uintptr_t private, const struct iio_chan_spec *chan, char *buf) { struct ad5064_state *st = iio_priv(indio_dev); @@ -195,7 +196,8 @@ static ssize_t ad5064_read_dac_powerdown(struct iio_dev *indio_dev, } static ssize_t ad5064_write_dac_powerdown(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, const char *buf, size_t len) + uintptr_t private, const struct iio_chan_spec *chan, const char *buf, + size_t len) { struct ad5064_state *st = iio_priv(indio_dev); bool pwr_down; @@ -235,7 +237,7 @@ static int ad5064_read_raw(struct iio_dev *indio_dev, int scale_uv; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: *val = st->dac_cache[chan->channel]; return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: @@ -260,7 +262,7 @@ static int ad5064_write_raw(struct iio_dev *indio_dev, int ret; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val > (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; @@ -308,7 +310,8 @@ static struct iio_chan_spec_ext_info ad5064_ext_info[] = { .indexed = 1, \ .output = 1, \ .channel = (chan), \ - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ .address = AD5064_ADDR_DAC(chan), \ .scan_type = IIO_ST('u', (bits), 16, 20 - (bits)), \ .ext_info = ad5064_ext_info, \ @@ -442,7 +445,7 @@ static int __devinit ad5064_probe(struct spi_device *spi) unsigned int i; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -499,7 +502,7 @@ error_free_reg: if (!st->use_internal_vref) regulator_bulk_free(ad5064_num_vref(st), st->vref_reg); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -517,7 +520,7 @@ static int __devexit ad5064_remove(struct spi_device *spi) regulator_bulk_free(ad5064_num_vref(st), st->vref_reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5360.c b/drivers/staging/iio/dac/ad5360.c index cec3693b50a3..26cac42dcca9 100644 --- a/drivers/staging/iio/dac/ad5360.c +++ b/drivers/staging/iio/dac/ad5360.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #define AD5360_CMD(x) ((x) << 22) @@ -103,7 +103,8 @@ enum ad5360_type { .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | \ IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, \ @@ -319,7 +320,7 @@ static int ad5360_write_raw(struct iio_dev *indio_dev, unsigned int ofs_index; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= max_val || val < 0) return -EINVAL; @@ -376,7 +377,7 @@ static int ad5360_read_raw(struct iio_dev *indio_dev, int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: ret = ad5360_read(indio_dev, AD5360_READBACK_X1A, chan->address); if (ret < 0) @@ -464,7 +465,7 @@ static int __devinit ad5360_probe(struct spi_device *spi) unsigned int i; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { dev_err(&spi->dev, "Failed to allocate iio device\n"); return -ENOMEM; @@ -519,7 +520,7 @@ error_free_reg: error_free_channels: kfree(indio_dev->channels); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -536,7 +537,7 @@ static int __devexit ad5360_remove(struct spi_device *spi) regulator_bulk_disable(st->chip_info->num_vrefs, st->vref_reg); regulator_bulk_free(st->chip_info->num_vrefs, st->vref_reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5380.c b/drivers/staging/iio/dac/ad5380.c index 4c50716fa801..4afb099fa5dd 100644 --- a/drivers/staging/iio/dac/ad5380.c +++ b/drivers/staging/iio/dac/ad5380.c @@ -18,8 +18,8 @@ #include <linux/regmap.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" @@ -85,7 +85,8 @@ enum ad5380_type { .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT | \ IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, \ .scan_type = IIO_ST('u', (_bits), 16, 14 - (_bits)) \ @@ -292,7 +293,7 @@ static int ad5380_write_raw(struct iio_dev *indio_dev, struct ad5380_state *st = iio_priv(indio_dev); switch (info) { - case 0: + case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_CALIBSCALE: if (val >= max_val || val < 0) return -EINVAL; @@ -322,7 +323,7 @@ static int ad5380_read_raw(struct iio_dev *indio_dev, int ret; switch (info) { - case 0: + case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_CALIBSCALE: ret = regmap_read(st->regmap, ad5380_info_to_reg(chan, info), val); @@ -388,7 +389,7 @@ static int __devinit ad5380_probe(struct device *dev, struct regmap *regmap, unsigned int ctrl = 0; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { dev_err(dev, "Failed to allocate iio device\n"); ret = -ENOMEM; @@ -454,7 +455,7 @@ error_free_reg: kfree(indio_dev->channels); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_regmap_exit: regmap_exit(regmap); @@ -476,7 +477,7 @@ static int __devexit ad5380_remove(struct device *dev) } regmap_exit(st->regmap); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5421.c b/drivers/staging/iio/dac/ad5421.c index 0b040b204697..ffbd4c234f57 100644 --- a/drivers/staging/iio/dac/ad5421.c +++ b/drivers/staging/iio/dac/ad5421.c @@ -16,9 +16,9 @@ #include <linux/slab.h> #include <linux/sysfs.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> #include "dac.h" #include "ad5421.h" @@ -87,7 +87,8 @@ static const struct iio_chan_spec ad5421_channels[] = { .indexed = 1, .output = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_OFFSET_SHARED_BIT | IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, @@ -304,7 +305,7 @@ static int ad5421_read_raw(struct iio_dev *indio_dev, return -EINVAL; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: ret = ad5421_read(indio_dev, AD5421_REG_DAC_DATA); if (ret < 0) return ret; @@ -340,7 +341,7 @@ static int ad5421_write_raw(struct iio_dev *indio_dev, const unsigned int max_val = 1 << 16; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= max_val || val < 0) return -EINVAL; @@ -456,7 +457,7 @@ static int __devinit ad5421_probe(struct spi_device *spi) struct ad5421_state *st; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { dev_err(&spi->dev, "Failed to allocate iio device\n"); return -ENOMEM; @@ -511,7 +512,7 @@ error_free_irq: if (spi->irq) free_irq(spi->irq, indio_dev); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -523,7 +524,7 @@ static int __devexit ad5421_remove(struct spi_device *spi) iio_device_unregister(indio_dev); if (spi->irq) free_irq(spi->irq, indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c index 633ffbb21814..daa65b384c13 100644 --- a/drivers/staging/iio/dac/ad5446.c +++ b/drivers/staging/iio/dac/ad5446.c @@ -18,229 +18,212 @@ #include <linux/err.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #include "ad5446.h" -static void ad5446_store_sample(struct ad5446_state *st, unsigned val) +static int ad5446_write(struct ad5446_state *st, unsigned val) { - st->data.d16 = cpu_to_be16(AD5446_LOAD | val); + __be16 data = cpu_to_be16(val); + return spi_write(st->spi, &data, sizeof(data)); } -static void ad5542_store_sample(struct ad5446_state *st, unsigned val) +static int ad5660_write(struct ad5446_state *st, unsigned val) { - st->data.d16 = cpu_to_be16(val); -} + uint8_t data[3]; -static void ad5620_store_sample(struct ad5446_state *st, unsigned val) -{ - st->data.d16 = cpu_to_be16(AD5620_LOAD | val); -} + data[0] = (val >> 16) & 0xFF; + data[1] = (val >> 8) & 0xFF; + data[2] = val & 0xFF; -static void ad5660_store_sample(struct ad5446_state *st, unsigned val) -{ - val |= AD5660_LOAD; - st->data.d24[0] = (val >> 16) & 0xFF; - st->data.d24[1] = (val >> 8) & 0xFF; - st->data.d24[2] = val & 0xFF; + return spi_write(st->spi, data, sizeof(data)); } -static void ad5620_store_pwr_down(struct ad5446_state *st, unsigned mode) -{ - st->data.d16 = cpu_to_be16(mode << 14); -} +static const char * const ad5446_powerdown_modes[] = { + "", "1kohm_to_gnd", "100kohm_to_gnd", "three_state" +}; -static void ad5660_store_pwr_down(struct ad5446_state *st, unsigned mode) +static ssize_t ad5446_read_powerdown_mode_available(struct iio_dev *indio_dev, + uintptr_t private, const struct iio_chan_spec *chan, char *buf) { - unsigned val = mode << 16; - - st->data.d24[0] = (val >> 16) & 0xFF; - st->data.d24[1] = (val >> 8) & 0xFF; - st->data.d24[2] = val & 0xFF; + return sprintf(buf, "%s %s %s\n", ad5446_powerdown_modes[1], + ad5446_powerdown_modes[2], ad5446_powerdown_modes[3]); } -static ssize_t ad5446_write_powerdown_mode(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) +static ssize_t ad5446_write_powerdown_mode(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + const char *buf, size_t len) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5446_state *st = iio_priv(indio_dev); + int i; - if (sysfs_streq(buf, "1kohm_to_gnd")) - st->pwr_down_mode = MODE_PWRDWN_1k; - else if (sysfs_streq(buf, "100kohm_to_gnd")) - st->pwr_down_mode = MODE_PWRDWN_100k; - else if (sysfs_streq(buf, "three_state")) - st->pwr_down_mode = MODE_PWRDWN_TRISTATE; - else + for (i = 1; i < ARRAY_SIZE(ad5446_powerdown_modes); i++) { + if (sysfs_streq(buf, ad5446_powerdown_modes[i])) { + st->pwr_down_mode = i; + break; + } + } + + if (i == ARRAY_SIZE(ad5446_powerdown_modes)) return -EINVAL; return len; } -static ssize_t ad5446_read_powerdown_mode(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t ad5446_read_powerdown_mode(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5446_state *st = iio_priv(indio_dev); - char mode[][15] = {"", "1kohm_to_gnd", "100kohm_to_gnd", "three_state"}; - - return sprintf(buf, "%s\n", mode[st->pwr_down_mode]); + return sprintf(buf, "%s\n", ad5446_powerdown_modes[st->pwr_down_mode]); } -static ssize_t ad5446_read_dac_powerdown(struct device *dev, - struct device_attribute *attr, +static ssize_t ad5446_read_dac_powerdown(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5446_state *st = iio_priv(indio_dev); return sprintf(buf, "%d\n", st->pwr_down); } -static ssize_t ad5446_write_dac_powerdown(struct device *dev, - struct device_attribute *attr, +static ssize_t ad5446_write_dac_powerdown(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, const char *buf, size_t len) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5446_state *st = iio_priv(indio_dev); - unsigned long readin; + unsigned int shift; + unsigned int val; + bool powerdown; int ret; - ret = strict_strtol(buf, 10, &readin); + ret = strtobool(buf, &powerdown); if (ret) return ret; - if (readin > 1) - ret = -EINVAL; - mutex_lock(&indio_dev->mlock); - st->pwr_down = readin; + st->pwr_down = powerdown; - if (st->pwr_down) - st->chip_info->store_pwr_down(st, st->pwr_down_mode); - else - st->chip_info->store_sample(st, st->cached_val); + if (st->pwr_down) { + shift = chan->scan_type.realbits + chan->scan_type.shift; + val = st->pwr_down_mode << shift; + } else { + val = st->cached_val; + } - ret = spi_sync(st->spi, &st->msg); + ret = st->chip_info->write(st, val); mutex_unlock(&indio_dev->mlock); return ret ? ret : len; } -static IIO_DEVICE_ATTR(out_voltage_powerdown_mode, S_IRUGO | S_IWUSR, - ad5446_read_powerdown_mode, - ad5446_write_powerdown_mode, 0); - -static IIO_CONST_ATTR(out_voltage_powerdown_mode_available, - "1kohm_to_gnd 100kohm_to_gnd three_state"); - -static IIO_DEVICE_ATTR(out_voltage0_powerdown, S_IRUGO | S_IWUSR, - ad5446_read_dac_powerdown, - ad5446_write_dac_powerdown, 0); - -static struct attribute *ad5446_attributes[] = { - &iio_dev_attr_out_voltage0_powerdown.dev_attr.attr, - &iio_dev_attr_out_voltage_powerdown_mode.dev_attr.attr, - &iio_const_attr_out_voltage_powerdown_mode_available.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad5446_attribute_group = { - .attrs = ad5446_attributes, +static const struct iio_chan_spec_ext_info ad5064_ext_info_powerdown[] = { + { + .name = "powerdown", + .read = ad5446_read_dac_powerdown, + .write = ad5446_write_dac_powerdown, + }, { + .name = "powerdown_mode", + .read = ad5446_read_powerdown_mode, + .write = ad5446_write_powerdown_mode, + }, { + .name = "powerdown_mode_available", + .shared = true, + .read = ad5446_read_powerdown_mode_available, + }, + { }, }; -#define AD5446_CHANNEL(bits, storage, shift) { \ +#define _AD5446_CHANNEL(bits, storage, shift, ext) { \ .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ - .scan_type = IIO_ST('u', (bits), (storage), (shift)) \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .scan_type = IIO_ST('u', (bits), (storage), (shift)), \ + .ext_info = (ext), \ } +#define AD5446_CHANNEL(bits, storage, shift) \ + _AD5446_CHANNEL(bits, storage, shift, NULL) + +#define AD5446_CHANNEL_POWERDOWN(bits, storage, shift) \ + _AD5446_CHANNEL(bits, storage, shift, ad5064_ext_info_powerdown) + static const struct ad5446_chip_info ad5446_chip_info_tbl[] = { [ID_AD5444] = { .channel = AD5446_CHANNEL(12, 16, 2), - .store_sample = ad5446_store_sample, + .write = ad5446_write, }, [ID_AD5446] = { .channel = AD5446_CHANNEL(14, 16, 0), - .store_sample = ad5446_store_sample, + .write = ad5446_write, }, [ID_AD5541A] = { .channel = AD5446_CHANNEL(16, 16, 0), - .store_sample = ad5542_store_sample, - }, - [ID_AD5542A] = { - .channel = AD5446_CHANNEL(16, 16, 0), - .store_sample = ad5542_store_sample, - }, - [ID_AD5543] = { - .channel = AD5446_CHANNEL(16, 16, 0), - .store_sample = ad5542_store_sample, + .write = ad5446_write, }, [ID_AD5512A] = { .channel = AD5446_CHANNEL(12, 16, 4), - .store_sample = ad5542_store_sample, + .write = ad5446_write, }, [ID_AD5553] = { .channel = AD5446_CHANNEL(14, 16, 0), - .store_sample = ad5542_store_sample, + .write = ad5446_write, }, [ID_AD5601] = { - .channel = AD5446_CHANNEL(8, 16, 6), - .store_sample = ad5542_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .channel = AD5446_CHANNEL_POWERDOWN(8, 16, 6), + .write = ad5446_write, }, [ID_AD5611] = { - .channel = AD5446_CHANNEL(10, 16, 4), - .store_sample = ad5542_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .channel = AD5446_CHANNEL_POWERDOWN(10, 16, 4), + .write = ad5446_write, }, [ID_AD5621] = { - .channel = AD5446_CHANNEL(12, 16, 2), - .store_sample = ad5542_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .channel = AD5446_CHANNEL_POWERDOWN(12, 16, 2), + .write = ad5446_write, }, [ID_AD5620_2500] = { - .channel = AD5446_CHANNEL(12, 16, 2), + .channel = AD5446_CHANNEL_POWERDOWN(12, 16, 2), .int_vref_mv = 2500, - .store_sample = ad5620_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .write = ad5446_write, }, [ID_AD5620_1250] = { - .channel = AD5446_CHANNEL(12, 16, 2), + .channel = AD5446_CHANNEL_POWERDOWN(12, 16, 2), .int_vref_mv = 1250, - .store_sample = ad5620_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .write = ad5446_write, }, [ID_AD5640_2500] = { - .channel = AD5446_CHANNEL(14, 16, 0), + .channel = AD5446_CHANNEL_POWERDOWN(14, 16, 0), .int_vref_mv = 2500, - .store_sample = ad5620_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .write = ad5446_write, }, [ID_AD5640_1250] = { - .channel = AD5446_CHANNEL(14, 16, 0), + .channel = AD5446_CHANNEL_POWERDOWN(14, 16, 0), .int_vref_mv = 1250, - .store_sample = ad5620_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .write = ad5446_write, }, [ID_AD5660_2500] = { - .channel = AD5446_CHANNEL(16, 16, 0), + .channel = AD5446_CHANNEL_POWERDOWN(16, 16, 0), .int_vref_mv = 2500, - .store_sample = ad5660_store_sample, - .store_pwr_down = ad5660_store_pwr_down, + .write = ad5660_write, }, [ID_AD5660_1250] = { - .channel = AD5446_CHANNEL(16, 16, 0), + .channel = AD5446_CHANNEL_POWERDOWN(16, 16, 0), .int_vref_mv = 1250, - .store_sample = ad5660_store_sample, - .store_pwr_down = ad5660_store_pwr_down, + .write = ad5660_write, + }, + [ID_AD5662] = { + .channel = AD5446_CHANNEL_POWERDOWN(16, 16, 0), + .write = ad5660_write, }, }; @@ -254,6 +237,9 @@ static int ad5446_read_raw(struct iio_dev *indio_dev, unsigned long scale_uv; switch (m) { + case IIO_CHAN_INFO_RAW: + *val = st->cached_val; + return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: scale_uv = (st->vref_mv * 1000) >> chan->scan_type.realbits; *val = scale_uv / 1000; @@ -271,18 +257,18 @@ static int ad5446_write_raw(struct iio_dev *indio_dev, long mask) { struct ad5446_state *st = iio_priv(indio_dev); - int ret; + int ret = 0; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; val <<= chan->scan_type.shift; mutex_lock(&indio_dev->mlock); st->cached_val = val; - st->chip_info->store_sample(st, val); - ret = spi_sync(st->spi, &st->msg); + if (!st->pwr_down) + ret = st->chip_info->write(st, val); mutex_unlock(&indio_dev->mlock); break; default: @@ -295,13 +281,6 @@ static int ad5446_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad5446_info = { .read_raw = ad5446_read_raw, .write_raw = ad5446_write_raw, - .attrs = &ad5446_attribute_group, - .driver_module = THIS_MODULE, -}; - -static const struct iio_info ad5446_info_no_pwr_down = { - .read_raw = ad5446_read_raw, - .write_raw = ad5446_write_raw, .driver_module = THIS_MODULE, }; @@ -321,7 +300,7 @@ static int __devinit ad5446_probe(struct spi_device *spi) voltage_uv = regulator_get_voltage(reg); } - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_disable_reg; @@ -337,38 +316,17 @@ static int __devinit ad5446_probe(struct spi_device *spi) /* Establish that the iio_dev is a child of the spi device */ indio_dev->dev.parent = &spi->dev; indio_dev->name = spi_get_device_id(spi)->name; - if (st->chip_info->store_pwr_down) - indio_dev->info = &ad5446_info; - else - indio_dev->info = &ad5446_info_no_pwr_down; + indio_dev->info = &ad5446_info; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = &st->chip_info->channel; indio_dev->num_channels = 1; - /* Setup default message */ - - st->xfer.tx_buf = &st->data; - st->xfer.len = st->chip_info->channel.scan_type.storagebits / 8; - - spi_message_init(&st->msg); - spi_message_add_tail(&st->xfer, &st->msg); - - switch (spi_get_device_id(spi)->driver_data) { - case ID_AD5620_2500: - case ID_AD5620_1250: - case ID_AD5640_2500: - case ID_AD5640_1250: - case ID_AD5660_2500: - case ID_AD5660_1250: + if (st->chip_info->int_vref_mv) st->vref_mv = st->chip_info->int_vref_mv; - break; - default: - if (voltage_uv) - st->vref_mv = voltage_uv / 1000; - else - dev_warn(&spi->dev, - "reference voltage unspecified\n"); - } + else if (voltage_uv) + st->vref_mv = voltage_uv / 1000; + else + dev_warn(&spi->dev, "reference voltage unspecified\n"); ret = iio_device_register(indio_dev); if (ret) @@ -377,7 +335,7 @@ static int __devinit ad5446_probe(struct spi_device *spi) return 0; error_free_device: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_disable_reg: if (!IS_ERR(reg)) regulator_disable(reg); @@ -398,7 +356,7 @@ static int ad5446_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } @@ -408,8 +366,8 @@ static const struct spi_device_id ad5446_id[] = { {"ad5446", ID_AD5446}, {"ad5512a", ID_AD5512A}, {"ad5541a", ID_AD5541A}, - {"ad5542a", ID_AD5542A}, - {"ad5543", ID_AD5543}, + {"ad5542a", ID_AD5541A}, /* ad5541a and ad5542a are compatible */ + {"ad5543", ID_AD5541A}, /* ad5541a and ad5543 are compatible */ {"ad5553", ID_AD5553}, {"ad5601", ID_AD5601}, {"ad5611", ID_AD5611}, @@ -420,6 +378,7 @@ static const struct spi_device_id ad5446_id[] = { {"ad5640-1250", ID_AD5640_1250}, {"ad5660-2500", ID_AD5660_2500}, {"ad5660-1250", ID_AD5660_1250}, + {"ad5662", ID_AD5662}, {} }; MODULE_DEVICE_TABLE(spi, ad5446_id); diff --git a/drivers/staging/iio/dac/ad5446.h b/drivers/staging/iio/dac/ad5446.h index 4ea3476fb065..dfd68ce7427e 100644 --- a/drivers/staging/iio/dac/ad5446.h +++ b/drivers/staging/iio/dac/ad5446.h @@ -34,43 +34,30 @@ * @spi: spi_device * @chip_info: chip model specific constants, available modes etc * @reg: supply regulator - * @poll_work: bottom half of polling interrupt handler * @vref_mv: actual reference voltage used - * @xfer: default spi transfer - * @msg: default spi message - * @data: spi transmit buffer */ struct ad5446_state { struct spi_device *spi; const struct ad5446_chip_info *chip_info; struct regulator *reg; - struct work_struct poll_work; unsigned short vref_mv; unsigned cached_val; unsigned pwr_down_mode; unsigned pwr_down; - struct spi_transfer xfer; - struct spi_message msg; - union { - unsigned short d16; - unsigned char d24[3]; - } data; }; /** * struct ad5446_chip_info - chip specific information * @channel: channel spec for the DAC * @int_vref_mv: AD5620/40/60: the internal reference voltage - * @store_sample: chip specific helper function to store the datum - * @store_sample: chip specific helper function to store the powerpown cmd + * @write: chip specific helper function to write to the register */ struct ad5446_chip_info { struct iio_chan_spec channel; u16 int_vref_mv; - void (*store_sample) (struct ad5446_state *st, unsigned val); - void (*store_pwr_down) (struct ad5446_state *st, unsigned mode); + int (*write)(struct ad5446_state *st, unsigned val); }; /** @@ -85,8 +72,6 @@ enum ad5446_supported_device_ids { ID_AD5444, ID_AD5446, ID_AD5541A, - ID_AD5542A, - ID_AD5543, ID_AD5512A, ID_AD5553, ID_AD5601, @@ -98,6 +83,7 @@ enum ad5446_supported_device_ids { ID_AD5640_1250, ID_AD5660_2500, ID_AD5660_1250, + ID_AD5662, }; #endif /* IIO_DAC_AD5446_H_ */ diff --git a/drivers/staging/iio/dac/ad5504.c b/drivers/staging/iio/dac/ad5504.c index bc17205fe722..e47f4d0967b4 100644 --- a/drivers/staging/iio/dac/ad5504.c +++ b/drivers/staging/iio/dac/ad5504.c @@ -16,9 +16,9 @@ #include <linux/regulator/consumer.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> #include "dac.h" #include "ad5504.h" @@ -27,7 +27,8 @@ .indexed = 1, \ .output = 1, \ .channel = (_chan), \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = AD5504_ADDR_DAC(_chan), \ .scan_type = IIO_ST('u', 12, 16, 0), \ } @@ -81,7 +82,7 @@ static int ad5504_read_raw(struct iio_dev *indio_dev, int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: ret = ad5504_spi_read(st->spi, chan->address); if (ret < 0) return ret; @@ -109,7 +110,7 @@ static int ad5504_write_raw(struct iio_dev *indio_dev, int ret; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; @@ -287,7 +288,7 @@ static int __devinit ad5504_probe(struct spi_device *spi) struct regulator *reg; int ret, voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -350,7 +351,7 @@ error_put_reg: if (!IS_ERR(reg)) regulator_put(reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -368,7 +369,7 @@ static int __devexit ad5504_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5624r_spi.c b/drivers/staging/iio/dac/ad5624r_spi.c index 10c7484366ef..cde4a9f8d897 100644 --- a/drivers/staging/iio/dac/ad5624r_spi.c +++ b/drivers/staging/iio/dac/ad5624r_spi.c @@ -16,8 +16,8 @@ #include <linux/regulator/consumer.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #include "ad5624r.h" @@ -26,7 +26,8 @@ .indexed = 1, \ .output = 1, \ .channel = (_chan), \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = (_chan), \ .scan_type = IIO_ST('u', (_bits), 16, 16 - (_bits)), \ } @@ -122,7 +123,7 @@ static int ad5624r_write_raw(struct iio_dev *indio_dev, int ret; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; @@ -255,7 +256,7 @@ static int __devinit ad5624r_probe(struct spi_device *spi) struct iio_dev *indio_dev; int ret, voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -305,7 +306,7 @@ error_disable_reg: error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -321,7 +322,7 @@ static int __devexit ad5624r_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5686.c b/drivers/staging/iio/dac/ad5686.c index 2415a6e60c77..6a74436af594 100644 --- a/drivers/staging/iio/dac/ad5686.c +++ b/drivers/staging/iio/dac/ad5686.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #define AD5686_DAC_CHANNELS 4 @@ -98,7 +98,8 @@ enum ad5686_supported_device_ids { .indexed = 1, \ .output = 1, \ .channel = chan, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = AD5686_ADDR_DAC(chan), \ .scan_type = IIO_ST('u', bits, 16, shift) \ } @@ -296,7 +297,7 @@ static int ad5686_read_raw(struct iio_dev *indio_dev, int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); ret = ad5686_spi_read(st, chan->address); mutex_unlock(&indio_dev->mlock); @@ -326,7 +327,7 @@ static int ad5686_write_raw(struct iio_dev *indio_dev, int ret; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val > (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; @@ -358,7 +359,7 @@ static int __devinit ad5686_probe(struct spi_device *spi) struct iio_dev *indio_dev; int ret, regdone = 0, voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -410,7 +411,7 @@ error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -425,7 +426,7 @@ static int __devexit ad5686_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5764.c b/drivers/staging/iio/dac/ad5764.c index f73a73079490..03dbd937b081 100644 --- a/drivers/staging/iio/dac/ad5764.c +++ b/drivers/staging/iio/dac/ad5764.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #define AD5764_REG_SF_NOP 0x0 @@ -79,7 +79,8 @@ enum ad5764_type { .output = 1, \ .channel = (_chan), \ .address = (_chan), \ - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_OFFSET_SHARED_BIT | \ IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, \ @@ -188,7 +189,7 @@ static int ad5764_write_raw(struct iio_dev *indio_dev, unsigned int reg; switch (info) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= max_val || val < 0) return -EINVAL; val <<= chan->scan_type.shift; @@ -228,7 +229,7 @@ static int ad5764_read_raw(struct iio_dev *indio_dev, int ret; switch (info) { - case 0: + case IIO_CHAN_INFO_RAW: reg = AD5764_REG_DATA(chan->address); ret = ad5764_read(indio_dev, reg, val); if (ret < 0) @@ -280,7 +281,7 @@ static int __devinit ad5764_probe(struct spi_device *spi) struct ad5764_state *st; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { dev_err(&spi->dev, "Failed to allocate iio device\n"); return -ENOMEM; @@ -335,7 +336,7 @@ error_free_reg: if (st->chip_info->int_vref == 0) regulator_bulk_free(ARRAY_SIZE(st->vref_reg), st->vref_reg); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -352,7 +353,7 @@ static int __devexit ad5764_remove(struct spi_device *spi) regulator_bulk_free(ARRAY_SIZE(st->vref_reg), st->vref_reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5791.c b/drivers/staging/iio/dac/ad5791.c index ac45636a8d72..1cc75e6cd901 100644 --- a/drivers/staging/iio/dac/ad5791.c +++ b/drivers/staging/iio/dac/ad5791.c @@ -17,8 +17,8 @@ #include <linux/regulator/consumer.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #include "ad5791.h" @@ -78,7 +78,8 @@ static int ad5791_spi_read(struct spi_device *spi, u8 addr, u32 *val) .indexed = 1, \ .address = AD5791_ADDR_DAC0, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT | \ IIO_CHAN_INFO_OFFSET_SHARED_BIT, \ .scan_type = IIO_ST('u', bits, 24, shift) \ } @@ -231,7 +232,7 @@ static int ad5791_read_raw(struct iio_dev *indio_dev, int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: ret = ad5791_spi_read(st->spi, chan->address, val); if (ret) return ret; @@ -263,7 +264,7 @@ static int ad5791_write_raw(struct iio_dev *indio_dev, struct ad5791_state *st = iio_priv(indio_dev); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: val &= AD5791_RES_MASK(chan->scan_type.realbits); val <<= chan->scan_type.shift; @@ -288,7 +289,7 @@ static int __devinit ad5791_probe(struct spi_device *spi) struct ad5791_state *st; int ret, pos_voltage_uv = 0, neg_voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -368,7 +369,7 @@ error_put_reg_neg: error_put_reg_pos: if (!IS_ERR(st->reg_vdd)) regulator_put(st->reg_vdd); - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -389,7 +390,7 @@ static int __devexit ad5791_remove(struct spi_device *spi) regulator_disable(st->reg_vss); regulator_put(st->reg_vss); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/max517.c b/drivers/staging/iio/dac/max517.c index 41483c72cec1..a3f588dfdbfb 100644 --- a/drivers/staging/iio/dac/max517.c +++ b/drivers/staging/iio/dac/max517.c @@ -25,8 +25,8 @@ #include <linux/i2c.h> #include <linux/err.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #include "max517.h" @@ -218,7 +218,7 @@ static int max517_probe(struct i2c_client *client, struct max517_platform_data *platform_data = client->dev.platform_data; int err; - indio_dev = iio_allocate_device(sizeof(*data)); + indio_dev = iio_device_alloc(sizeof(*data)); if (indio_dev == NULL) { err = -ENOMEM; goto exit; @@ -257,14 +257,14 @@ static int max517_probe(struct i2c_client *client, return 0; exit_free_device: - iio_free_device(indio_dev); + iio_device_free(indio_dev); exit: return err; } static int max517_remove(struct i2c_client *client) { - iio_free_device(i2c_get_clientdata(client)); + iio_device_free(i2c_get_clientdata(client)); return 0; } diff --git a/drivers/staging/iio/dds/dds.h b/drivers/staging/iio/dds/dds.h deleted file mode 100644 index d8ac3a93baf6..000000000000 --- a/drivers/staging/iio/dds/dds.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * dds.h - sysfs attributes associated with DDS devices - * - * Copyright (c) 2010 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -/** - * /sys/bus/iio/devices/.../ddsX_freqY - */ - -#define IIO_DEV_ATTR_FREQ(_channel, _num, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_freq##_num, \ - _mode, _show, _store, _addr) - -/** - * /sys/bus/iio/devices/.../ddsX_freqY_scale - */ - -#define IIO_CONST_ATTR_FREQ_SCALE(_channel, _string) \ - IIO_CONST_ATTR(dds##_channel##_freq_scale, _string) - -/** - * /sys/bus/iio/devices/.../ddsX_freqsymbol - */ - -#define IIO_DEV_ATTR_FREQSYMBOL(_channel, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_freqsymbol, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_phaseY - */ - -#define IIO_DEV_ATTR_PHASE(_channel, _num, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_phase##_num, \ - _mode, _show, _store, _addr) - -/** - * /sys/bus/iio/devices/.../ddsX_phaseY_scale - */ - -#define IIO_CONST_ATTR_PHASE_SCALE(_channel, _string) \ - IIO_CONST_ATTR(dds##_channel##_phase_scale, _string) - -/** - * /sys/bus/iio/devices/.../ddsX_phasesymbol - */ - -#define IIO_DEV_ATTR_PHASESYMBOL(_channel, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_phasesymbol, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_pincontrol_en - */ - -#define IIO_DEV_ATTR_PINCONTROL_EN(_channel, _mode, _show, _store, _addr)\ - IIO_DEVICE_ATTR(dds##_channel##_pincontrol_en, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_pincontrol_freq_en - */ - -#define IIO_DEV_ATTR_PINCONTROL_FREQ_EN(_channel, _mode, _show, _store, _addr)\ - IIO_DEVICE_ATTR(dds##_channel##_pincontrol_freq_en, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_pincontrol_phase_en - */ - -#define IIO_DEV_ATTR_PINCONTROL_PHASE_EN(_channel, _mode, _show, _store, _addr)\ - IIO_DEVICE_ATTR(dds##_channel##_pincontrol_phase_en, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_out_enable - */ - -#define IIO_DEV_ATTR_OUT_ENABLE(_channel, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_out_enable, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_outY_enable - */ - -#define IIO_DEV_ATTR_OUTY_ENABLE(_channel, _output, \ - _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_out##_output##_enable, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_outY_wavetype - */ - -#define IIO_DEV_ATTR_OUT_WAVETYPE(_channel, _output, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_out##_output##_wavetype, \ - S_IWUSR, NULL, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_outY_wavetype_available - */ - -#define IIO_CONST_ATTR_OUT_WAVETYPES_AVAILABLE(_channel, _output, _modes)\ - IIO_CONST_ATTR(dds##_channel##_out##_output##_wavetype_available,\ - _modes); diff --git a/drivers/staging/iio/driver.h b/drivers/staging/iio/driver.h deleted file mode 100644 index a4f8b2e05af5..000000000000 --- a/drivers/staging/iio/driver.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Industrial I/O in kernel access map interface. - * - * Copyright (c) 2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -#ifndef _IIO_INKERN_H_ -#define _IIO_INKERN_H_ - -struct iio_map; - -/** - * iio_map_array_register() - tell the core about inkernel consumers - * @indio_dev: provider device - * @map: array of mappings specifying association of channel with client - */ -int iio_map_array_register(struct iio_dev *indio_dev, - struct iio_map *map); - -/** - * iio_map_array_unregister() - tell the core to remove consumer mappings - * @indio_dev: provider device - * @map: array of mappings to remove. Note these must have same memory - * addresses as those originally added not just equal parameter - * values. - */ -int iio_map_array_unregister(struct iio_dev *indio_dev, - struct iio_map *map); - -#endif diff --git a/drivers/staging/iio/events.h b/drivers/staging/iio/events.h deleted file mode 100644 index c25f0e3c92e9..000000000000 --- a/drivers/staging/iio/events.h +++ /dev/null @@ -1,105 +0,0 @@ -/* The industrial I/O - event passing to userspace - * - * Copyright (c) 2008-2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ -#ifndef _IIO_EVENTS_H_ -#define _IIO_EVENTS_H_ - -#include <linux/ioctl.h> -#include <linux/types.h> -#include "types.h" - -/** - * struct iio_event_data - The actual event being pushed to userspace - * @id: event identifier - * @timestamp: best estimate of time of event occurrence (often from - * the interrupt handler) - */ -struct iio_event_data { - __u64 id; - __s64 timestamp; -}; - -#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int) - -enum iio_event_type { - IIO_EV_TYPE_THRESH, - IIO_EV_TYPE_MAG, - IIO_EV_TYPE_ROC, - IIO_EV_TYPE_THRESH_ADAPTIVE, - IIO_EV_TYPE_MAG_ADAPTIVE, -}; - -enum iio_event_direction { - IIO_EV_DIR_EITHER, - IIO_EV_DIR_RISING, - IIO_EV_DIR_FALLING, -}; - -/** - * IIO_EVENT_CODE() - create event identifier - * @chan_type: Type of the channel. Should be one of enum iio_chan_type. - * @diff: Whether the event is for an differential channel or not. - * @modifier: Modifier for the channel. Should be one of enum iio_modifier. - * @direction: Direction of the event. One of enum iio_event_direction. - * @type: Type of the event. Should be one enum iio_event_type. - * @chan: Channel number for non-differential channels. - * @chan1: First channel number for differential channels. - * @chan2: Second channel number for differential channels. - */ - -#define IIO_EVENT_CODE(chan_type, diff, modifier, direction, \ - type, chan, chan1, chan2) \ - (((u64)type << 56) | ((u64)diff << 55) | \ - ((u64)direction << 48) | ((u64)modifier << 40) | \ - ((u64)chan_type << 32) | (((u16)chan2) << 16) | ((u16)chan1) | \ - ((u16)chan)) - - -#define IIO_EV_DIR_MAX 4 -#define IIO_EV_BIT(type, direction) \ - (1 << (type*IIO_EV_DIR_MAX + direction)) - -/** - * IIO_MOD_EVENT_CODE() - create event identifier for modified channels - * @chan_type: Type of the channel. Should be one of enum iio_chan_type. - * @number: Channel number. - * @modifier: Modifier for the channel. Should be one of enum iio_modifier. - * @type: Type of the event. Should be one enum iio_event_type. - * @direction: Direction of the event. One of enum iio_event_direction. - */ - -#define IIO_MOD_EVENT_CODE(chan_type, number, modifier, \ - type, direction) \ - IIO_EVENT_CODE(chan_type, 0, modifier, direction, type, number, 0, 0) - -/** - * IIO_UNMOD_EVENT_CODE() - create event identifier for unmodified channels - * @chan_type: Type of the channel. Should be one of enum iio_chan_type. - * @number: Channel number. - * @type: Type of the event. Should be one enum iio_event_type. - * @direction: Direction of the event. One of enum iio_event_direction. - */ - -#define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction) \ - IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0) - -#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF) - -#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0xCF) - -#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF) - -/* Event code number extraction depends on which type of event we have. - * Perhaps review this function in the future*/ -#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask & 0xFFFF)) -#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF)) - -#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF) -#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1) - -#endif diff --git a/drivers/staging/iio/dds/Kconfig b/drivers/staging/iio/frequency/Kconfig index 93b7141b2c1f..93b7141b2c1f 100644 --- a/drivers/staging/iio/dds/Kconfig +++ b/drivers/staging/iio/frequency/Kconfig diff --git a/drivers/staging/iio/dds/Makefile b/drivers/staging/iio/frequency/Makefile index 147746176b9b..147746176b9b 100644 --- a/drivers/staging/iio/dds/Makefile +++ b/drivers/staging/iio/frequency/Makefile diff --git a/drivers/staging/iio/dds/ad5930.c b/drivers/staging/iio/frequency/ad5930.c index 9c32d1beae25..97542fc9bf22 100644 --- a/drivers/staging/iio/dds/ad5930.c +++ b/drivers/staging/iio/frequency/ad5930.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define DRV_NAME "ad5930" @@ -97,7 +97,7 @@ static int __devinit ad5930_probe(struct spi_device *spi) struct iio_dev *idev; int ret = 0; - idev = iio_allocate_device(sizeof(*st)); + idev = iio_device_alloc(sizeof(*st)); if (idev == NULL) { ret = -ENOMEM; goto error_ret; @@ -122,7 +122,7 @@ static int __devinit ad5930_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(idev); + iio_device_free(idev); error_ret: return ret; } @@ -130,7 +130,7 @@ error_ret: static int __devexit ad5930_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/dds/ad9832.c b/drivers/staging/iio/frequency/ad9832.c index 2ccf25dd9289..2f9abac7c41c 100644 --- a/drivers/staging/iio/dds/ad9832.c +++ b/drivers/staging/iio/frequency/ad9832.c @@ -16,8 +16,8 @@ #include <linux/module.h> #include <asm/div64.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dds.h" #include "ad9832.h" @@ -177,18 +177,18 @@ static IIO_DEV_ATTR_OUT_ENABLE(0, S_IWUSR, NULL, ad9832_write, AD9832_OUTPUT_EN); static struct attribute *ad9832_attributes[] = { - &iio_dev_attr_dds0_freq0.dev_attr.attr, - &iio_dev_attr_dds0_freq1.dev_attr.attr, - &iio_const_attr_dds0_freq_scale.dev_attr.attr, - &iio_dev_attr_dds0_phase0.dev_attr.attr, - &iio_dev_attr_dds0_phase1.dev_attr.attr, - &iio_dev_attr_dds0_phase2.dev_attr.attr, - &iio_dev_attr_dds0_phase3.dev_attr.attr, - &iio_const_attr_dds0_phase_scale.dev_attr.attr, - &iio_dev_attr_dds0_pincontrol_en.dev_attr.attr, - &iio_dev_attr_dds0_freqsymbol.dev_attr.attr, - &iio_dev_attr_dds0_phasesymbol.dev_attr.attr, - &iio_dev_attr_dds0_out_enable.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_frequency0.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_frequency1.dev_attr.attr, + &iio_const_attr_out_altvoltage0_frequency_scale.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phase0.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phase1.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phase2.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phase3.dev_attr.attr, + &iio_const_attr_out_altvoltage0_phase_scale.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_pincontrol_en.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_frequencysymbol.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phasesymbol.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out_enable.dev_attr.attr, NULL, }; @@ -221,7 +221,7 @@ static int __devinit ad9832_probe(struct spi_device *spi) goto error_put_reg; } - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_disable_reg; @@ -313,7 +313,7 @@ static int __devinit ad9832_probe(struct spi_device *spi) return 0; error_free_device: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_disable_reg: if (!IS_ERR(reg)) regulator_disable(reg); @@ -334,7 +334,7 @@ static int __devexit ad9832_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dds/ad9832.h b/drivers/staging/iio/frequency/ad9832.h index c5b701f8aabb..c5b701f8aabb 100644 --- a/drivers/staging/iio/dds/ad9832.h +++ b/drivers/staging/iio/frequency/ad9832.h diff --git a/drivers/staging/iio/dds/ad9834.c b/drivers/staging/iio/frequency/ad9834.c index 38a2de08626f..f4b581f20b42 100644 --- a/drivers/staging/iio/dds/ad9834.c +++ b/drivers/staging/iio/frequency/ad9834.c @@ -19,8 +19,8 @@ #include <linux/module.h> #include <asm/div64.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dds.h" #include "ad9834.h" @@ -218,7 +218,7 @@ static ssize_t ad9834_show_out0_wavetype_available(struct device *dev, } -static IIO_DEVICE_ATTR(dds0_out0_wavetype_available, S_IRUGO, +static IIO_DEVICE_ATTR(out_altvoltage0_out0_wavetype_available, S_IRUGO, ad9834_show_out0_wavetype_available, NULL, 0); static ssize_t ad9834_show_out1_wavetype_available(struct device *dev, @@ -237,7 +237,7 @@ static ssize_t ad9834_show_out1_wavetype_available(struct device *dev, return sprintf(buf, "%s\n", str); } -static IIO_DEVICE_ATTR(dds0_out1_wavetype_available, S_IRUGO, +static IIO_DEVICE_ATTR(out_altvoltage0_out1_wavetype_available, S_IRUGO, ad9834_show_out1_wavetype_available, NULL, 0); /** @@ -263,36 +263,36 @@ static IIO_DEV_ATTR_OUT_WAVETYPE(0, 0, ad9834_store_wavetype, 0); static IIO_DEV_ATTR_OUT_WAVETYPE(0, 1, ad9834_store_wavetype, 1); static struct attribute *ad9834_attributes[] = { - &iio_dev_attr_dds0_freq0.dev_attr.attr, - &iio_dev_attr_dds0_freq1.dev_attr.attr, - &iio_const_attr_dds0_freq_scale.dev_attr.attr, - &iio_dev_attr_dds0_phase0.dev_attr.attr, - &iio_dev_attr_dds0_phase1.dev_attr.attr, - &iio_const_attr_dds0_phase_scale.dev_attr.attr, - &iio_dev_attr_dds0_pincontrol_en.dev_attr.attr, - &iio_dev_attr_dds0_freqsymbol.dev_attr.attr, - &iio_dev_attr_dds0_phasesymbol.dev_attr.attr, - &iio_dev_attr_dds0_out_enable.dev_attr.attr, - &iio_dev_attr_dds0_out1_enable.dev_attr.attr, - &iio_dev_attr_dds0_out0_wavetype.dev_attr.attr, - &iio_dev_attr_dds0_out1_wavetype.dev_attr.attr, - &iio_dev_attr_dds0_out0_wavetype_available.dev_attr.attr, - &iio_dev_attr_dds0_out1_wavetype_available.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_frequency0.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_frequency1.dev_attr.attr, + &iio_const_attr_out_altvoltage0_frequency_scale.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phase0.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phase1.dev_attr.attr, + &iio_const_attr_out_altvoltage0_phase_scale.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_pincontrol_en.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_frequencysymbol.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phasesymbol.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out_enable.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out1_enable.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out0_wavetype.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out1_wavetype.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out0_wavetype_available.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out1_wavetype_available.dev_attr.attr, NULL, }; static struct attribute *ad9833_attributes[] = { - &iio_dev_attr_dds0_freq0.dev_attr.attr, - &iio_dev_attr_dds0_freq1.dev_attr.attr, - &iio_const_attr_dds0_freq_scale.dev_attr.attr, - &iio_dev_attr_dds0_phase0.dev_attr.attr, - &iio_dev_attr_dds0_phase1.dev_attr.attr, - &iio_const_attr_dds0_phase_scale.dev_attr.attr, - &iio_dev_attr_dds0_freqsymbol.dev_attr.attr, - &iio_dev_attr_dds0_phasesymbol.dev_attr.attr, - &iio_dev_attr_dds0_out_enable.dev_attr.attr, - &iio_dev_attr_dds0_out0_wavetype.dev_attr.attr, - &iio_dev_attr_dds0_out0_wavetype_available.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_frequency0.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_frequency1.dev_attr.attr, + &iio_const_attr_out_altvoltage0_frequency_scale.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phase0.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phase1.dev_attr.attr, + &iio_const_attr_out_altvoltage0_phase_scale.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_frequencysymbol.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_phasesymbol.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out_enable.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out0_wavetype.dev_attr.attr, + &iio_dev_attr_out_altvoltage0_out0_wavetype_available.dev_attr.attr, NULL, }; @@ -334,7 +334,7 @@ static int __devinit ad9834_probe(struct spi_device *spi) goto error_put_reg; } - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_disable_reg; @@ -414,7 +414,7 @@ static int __devinit ad9834_probe(struct spi_device *spi) return 0; error_free_device: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_disable_reg: if (!IS_ERR(reg)) regulator_disable(reg); @@ -434,7 +434,7 @@ static int __devexit ad9834_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dds/ad9834.h b/drivers/staging/iio/frequency/ad9834.h index ed5ed8d0007f..ed5ed8d0007f 100644 --- a/drivers/staging/iio/dds/ad9834.h +++ b/drivers/staging/iio/frequency/ad9834.h diff --git a/drivers/staging/iio/dds/ad9850.c b/drivers/staging/iio/frequency/ad9850.c index f4f731bb2191..39f12a6a08b4 100644 --- a/drivers/staging/iio/dds/ad9850.c +++ b/drivers/staging/iio/frequency/ad9850.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define DRV_NAME "ad9850" @@ -83,7 +83,7 @@ static int __devinit ad9850_probe(struct spi_device *spi) struct iio_dev *idev; int ret = 0; - idev = iio_allocate_device(sizeof(*st)); + idev = iio_device_alloc(sizeof(*st)); if (idev == NULL) { ret = -ENOMEM; goto error_ret; @@ -108,7 +108,7 @@ static int __devinit ad9850_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(idev); + iio_device_free(idev); error_ret: return ret; } @@ -116,7 +116,7 @@ error_ret: static int __devexit ad9850_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/dds/ad9852.c b/drivers/staging/iio/frequency/ad9852.c index 554266c615a8..58d4bf89e64e 100644 --- a/drivers/staging/iio/dds/ad9852.c +++ b/drivers/staging/iio/frequency/ad9852.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define DRV_NAME "ad9852" @@ -232,7 +232,7 @@ static int __devinit ad9852_probe(struct spi_device *spi) struct iio_dev *idev; int ret = 0; - idev = iio_allocate_device(sizeof(*st)); + idev = iio_device_alloc(sizeof(*st)); if (idev == NULL) { ret = -ENOMEM; goto error_ret; @@ -258,7 +258,7 @@ static int __devinit ad9852_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(idev); + iio_device_free(idev); error_ret: return ret; @@ -267,7 +267,7 @@ error_ret: static int __devexit ad9852_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/dds/ad9910.c b/drivers/staging/iio/frequency/ad9910.c index 3985766d6f87..6e7a97e92a20 100644 --- a/drivers/staging/iio/dds/ad9910.c +++ b/drivers/staging/iio/frequency/ad9910.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define DRV_NAME "ad9910" @@ -367,7 +367,7 @@ static int __devinit ad9910_probe(struct spi_device *spi) struct iio_dev *idev; int ret = 0; - idev = iio_allocate_device(sizeof(*st)); + idev = iio_device_alloc(sizeof(*st)); if (idev == NULL) { ret = -ENOMEM; goto error_ret; @@ -392,7 +392,7 @@ static int __devinit ad9910_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(idev); + iio_device_free(idev); error_ret: return ret; } @@ -400,7 +400,7 @@ error_ret: static int __devexit ad9910_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/dds/ad9951.c b/drivers/staging/iio/frequency/ad9951.c index 4d150048002a..19ba721788fe 100644 --- a/drivers/staging/iio/dds/ad9951.c +++ b/drivers/staging/iio/frequency/ad9951.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define DRV_NAME "ad9951" @@ -176,7 +176,7 @@ static int __devinit ad9951_probe(struct spi_device *spi) struct iio_dev *idev; int ret = 0; - idev = iio_allocate_device(sizeof(*st)); + idev = iio_device_alloc(sizeof(*st)); if (idev == NULL) { ret = -ENOMEM; goto error_ret; @@ -202,7 +202,7 @@ static int __devinit ad9951_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(idev); + iio_device_free(idev); error_ret: return ret; @@ -211,7 +211,7 @@ error_ret: static int __devexit ad9951_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/frequency/dds.h b/drivers/staging/iio/frequency/dds.h new file mode 100644 index 000000000000..c3342f6e052b --- /dev/null +++ b/drivers/staging/iio/frequency/dds.h @@ -0,0 +1,110 @@ +/* + * dds.h - sysfs attributes associated with DDS devices + * + * Copyright (c) 2010 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_frequencyY + */ + +#define IIO_DEV_ATTR_FREQ(_channel, _num, _mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_frequency##_num, \ + _mode, _show, _store, _addr) + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_frequencyY_scale + */ + +#define IIO_CONST_ATTR_FREQ_SCALE(_channel, _string) \ + IIO_CONST_ATTR(out_altvoltage##_channel##_frequency_scale, _string) + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_frequencysymbol + */ + +#define IIO_DEV_ATTR_FREQSYMBOL(_channel, _mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_frequencysymbol, \ + _mode, _show, _store, _addr); + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_phaseY + */ + +#define IIO_DEV_ATTR_PHASE(_channel, _num, _mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_phase##_num, \ + _mode, _show, _store, _addr) + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_phaseY_scale + */ + +#define IIO_CONST_ATTR_PHASE_SCALE(_channel, _string) \ + IIO_CONST_ATTR(out_altvoltage##_channel##_phase_scale, _string) + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_phasesymbol + */ + +#define IIO_DEV_ATTR_PHASESYMBOL(_channel, _mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_phasesymbol, \ + _mode, _show, _store, _addr); + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_pincontrol_en + */ + +#define IIO_DEV_ATTR_PINCONTROL_EN(_channel, _mode, _show, _store, _addr)\ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_pincontrol_en, \ + _mode, _show, _store, _addr); + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_pincontrol_frequency_en + */ + +#define IIO_DEV_ATTR_PINCONTROL_FREQ_EN(_channel, _mode, _show, _store, _addr)\ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_pincontrol_frequency_en,\ + _mode, _show, _store, _addr); + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_pincontrol_phase_en + */ + +#define IIO_DEV_ATTR_PINCONTROL_PHASE_EN(_channel, _mode, _show, _store, _addr)\ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_pincontrol_phase_en, \ + _mode, _show, _store, _addr); + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_out_enable + */ + +#define IIO_DEV_ATTR_OUT_ENABLE(_channel, _mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_out_enable, \ + _mode, _show, _store, _addr); + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_outY_enable + */ + +#define IIO_DEV_ATTR_OUTY_ENABLE(_channel, _output, \ + _mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_out##_output##_enable,\ + _mode, _show, _store, _addr); + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_outY_wavetype + */ + +#define IIO_DEV_ATTR_OUT_WAVETYPE(_channel, _output, _store, _addr) \ + IIO_DEVICE_ATTR(out_altvoltage##_channel##_out##_output##_wavetype,\ + S_IWUSR, NULL, _store, _addr); + +/** + * /sys/bus/iio/devices/.../out_altvoltageX_outY_wavetype_available + */ + +#define IIO_CONST_ATTR_OUT_WAVETYPES_AVAILABLE(_channel, _output, _modes)\ + IIO_CONST_ATTR( \ + out_altvoltage##_channel##_out##_output##_wavetype_available, _modes); diff --git a/drivers/staging/iio/gyro/adis16060_core.c b/drivers/staging/iio/gyro/adis16060_core.c index 02cc23420b90..9931e2060e1f 100644 --- a/drivers/staging/iio/gyro/adis16060_core.c +++ b/drivers/staging/iio/gyro/adis16060_core.c @@ -15,8 +15,8 @@ #include <linux/slab.h> #include <linux/sysfs.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define ADIS16060_GYRO 0x20 /* Measure Angular Rate (Gyro) */ #define ADIS16060_TEMP_OUT 0x10 /* Measure Temperature */ @@ -85,7 +85,7 @@ static int adis16060_read_raw(struct iio_dev *indio_dev, int ret; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: /* Take the iio_dev status lock */ mutex_lock(&indio_dev->mlock); ret = adis16060_spi_write(indio_dev, chan->address); @@ -120,22 +120,26 @@ static const struct iio_chan_spec adis16060_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = ADIS16060_GYRO, }, { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = ADIS16060_AIN1, }, { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = ADIS16060_AIN2, }, { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = ADIS16060_TEMP_OUT, } @@ -148,7 +152,7 @@ static int __devinit adis16060_r_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -174,7 +178,7 @@ static int __devinit adis16060_r_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -183,7 +187,7 @@ error_ret: static int adis16060_r_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/gyro/adis16080_core.c b/drivers/staging/iio/gyro/adis16080_core.c index 1815490db8b4..11f1dccd7a0d 100644 --- a/drivers/staging/iio/gyro/adis16080_core.c +++ b/drivers/staging/iio/gyro/adis16080_core.c @@ -14,8 +14,8 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define ADIS16080_DIN_GYRO (0 << 10) /* Gyroscope output */ #define ADIS16080_DIN_TEMP (1 << 10) /* Temperature output */ @@ -87,7 +87,7 @@ static int adis16080_read_raw(struct iio_dev *indio_dev, mutex_lock(&indio_dev->mlock); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: ret = adis16080_spi_write(indio_dev, chan->address | ADIS16080_DIN_WRITE); @@ -110,21 +110,25 @@ static const struct iio_chan_spec adis16080_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = ADIS16080_DIN_GYRO, }, { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = ADIS16080_DIN_AIN1, }, { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = ADIS16080_DIN_AIN2, }, { .type = IIO_TEMP, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = ADIS16080_DIN_TEMP, } }; @@ -141,7 +145,7 @@ static int __devinit adis16080_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -167,7 +171,7 @@ static int __devinit adis16080_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -176,7 +180,7 @@ error_ret: static int adis16080_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/gyro/adis16130_core.c b/drivers/staging/iio/gyro/adis16130_core.c index 947eb86f05d8..bf61cd0b5bbc 100644 --- a/drivers/staging/iio/gyro/adis16130_core.c +++ b/drivers/staging/iio/gyro/adis16130_core.c @@ -16,8 +16,8 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define ADIS16130_CON 0x0 #define ADIS16130_CON_RD (1 << 6) @@ -100,11 +100,13 @@ static const struct iio_chan_spec adis16130_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = ADIS16130_RATEDATA, }, { .type = IIO_TEMP, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .address = ADIS16130_TEMPDATA, } }; @@ -121,7 +123,7 @@ static int __devinit adis16130_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -145,7 +147,7 @@ static int __devinit adis16130_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -155,7 +157,7 @@ error_ret: static int adis16130_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/gyro/adis16260_core.c b/drivers/staging/iio/gyro/adis16260_core.c index 8f6af47e9559..d7979cf15cd0 100644 --- a/drivers/staging/iio/gyro/adis16260_core.c +++ b/drivers/staging/iio/gyro/adis16260_core.c @@ -18,9 +18,9 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "adis16260.h" @@ -389,30 +389,76 @@ enum adis16260_channel { }; #define ADIS16260_GYRO_CHANNEL_SET(axis, mod) \ struct iio_chan_spec adis16260_channels_##axis[] = { \ - IIO_CHAN(IIO_ANGL_VEL, 1, 0, 0, NULL, 0, mod, \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ - gyro, ADIS16260_SCAN_GYRO, \ - IIO_ST('s', 14, 16, 0), 0), \ - IIO_CHAN(IIO_ANGL, 1, 0, 0, NULL, 0, mod, \ - 0, \ - angle, ADIS16260_SCAN_ANGL, \ - IIO_ST('u', 14, 16, 0), 0), \ - IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0, \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ - temp, ADIS16260_SCAN_TEMP, \ - IIO_ST('u', 12, 16, 0), 0), \ - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "supply", 0, 0, \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ - in_supply, ADIS16260_SCAN_SUPPLY, \ - IIO_ST('u', 12, 16, 0), 0), \ - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 1, 0, \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ - in_aux, ADIS16260_SCAN_AUX_ADC, \ - IIO_ST('u', 12, 16, 0), 0), \ - IIO_CHAN_SOFT_TIMESTAMP(5) \ + { \ + .type = IIO_ANGL_VEL, \ + .modified = 1, \ + .channel2 = mod, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | \ + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .address = gyro, \ + .scan_index = ADIS16260_SCAN_GYRO, \ + .scan_type = { \ + .sign = 's', \ + .realbits = 14, \ + .storagebits = 16, \ + }, \ + }, { \ + .type = IIO_ANGL, \ + .modified = 1, \ + .channel2 = mod, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, \ + .address = angle, \ + .scan_index = ADIS16260_SCAN_ANGL, \ + .scan_type = { \ + .sign = 'u', \ + .realbits = 14, \ + .storagebits = 16, \ + }, \ + }, { \ + .type = IIO_TEMP, \ + .indexed = 1, \ + .channel = 0, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .address = temp, \ + .scan_index = ADIS16260_SCAN_TEMP, \ + .scan_type = { \ + .sign = 'u', \ + .realbits = 12, \ + .storagebits = 16, \ + }, \ + }, { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = 0, \ + .extend_name = "supply", \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .address = in_supply, \ + .scan_index = ADIS16260_SCAN_SUPPLY, \ + .scan_type = { \ + .sign = 'u', \ + .realbits = 12, \ + .storagebits = 16, \ + }, \ + }, { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = 1, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .address = in_aux, \ + .scan_index = ADIS16260_SCAN_AUX_ADC, \ + .scan_type = { \ + .sign = 'u', \ + .realbits = 12, \ + .storagebits = 16, \ + }, \ + }, \ + IIO_CHAN_SOFT_TIMESTAMP(5), \ } static const ADIS16260_GYRO_CHANNEL_SET(x, IIO_MOD_X); @@ -440,7 +486,7 @@ static int adis16260_read_raw(struct iio_dev *indio_dev, s16 val16; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); addr = adis16260_addresses[chan->address][0]; ret = adis16260_spi_read_reg_16(indio_dev, addr, &val16); @@ -581,7 +627,7 @@ static int __devinit adis16260_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -666,7 +712,7 @@ error_uninitialize_ring: error_unreg_ring_funcs: adis16260_unconfigure_ring(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -687,7 +733,7 @@ static int adis16260_remove(struct spi_device *spi) adis16260_remove_trigger(indio_dev); iio_buffer_unregister(indio_dev); adis16260_unconfigure_ring(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); err_ret: return ret; diff --git a/drivers/staging/iio/gyro/adis16260_ring.c b/drivers/staging/iio/gyro/adis16260_ring.c index 711f15122a08..25283376f2fc 100644 --- a/drivers/staging/iio/gyro/adis16260_ring.c +++ b/drivers/staging/iio/gyro/adis16260_ring.c @@ -5,9 +5,9 @@ #include <linux/spi/spi.h> #include <linux/slab.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "adis16260.h" /** @@ -66,9 +66,8 @@ static irqreturn_t adis16260_trigger_handler(int irq, void *p) struct iio_buffer *ring = indio_dev->buffer; int i = 0; s16 *data; - size_t datasize = ring->access->get_bytes_per_datum(ring); - data = kmalloc(datasize , GFP_KERNEL); + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) { dev_err(&st->us->dev, "memory alloc failed in ring bh"); return -ENOMEM; @@ -81,7 +80,7 @@ static irqreturn_t adis16260_trigger_handler(int irq, void *p) data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2])); /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) *((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp; ring->access->store_to(ring, (u8 *)data, pf->timestamp); diff --git a/drivers/staging/iio/gyro/adis16260_trigger.c b/drivers/staging/iio/gyro/adis16260_trigger.c index 8299cd18d705..034559e4d5b9 100644 --- a/drivers/staging/iio/gyro/adis16260_trigger.c +++ b/drivers/staging/iio/gyro/adis16260_trigger.c @@ -3,8 +3,8 @@ #include <linux/spi/spi.h> #include <linux/export.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> #include "adis16260.h" /** @@ -29,7 +29,7 @@ int adis16260_probe_trigger(struct iio_dev *indio_dev) int ret; struct adis16260_state *st = iio_priv(indio_dev); - st->trig = iio_allocate_trigger("%s-dev%d", + st->trig = iio_trigger_alloc("%s-dev%d", spi_get_device_id(st->us)->name, indio_dev->id); if (st->trig == NULL) { @@ -60,7 +60,7 @@ int adis16260_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->us->irq, st->trig); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -71,5 +71,5 @@ void adis16260_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(st->trig); free_irq(st->us->irq, st->trig); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } diff --git a/drivers/staging/iio/gyro/adxrs450_core.c b/drivers/staging/iio/gyro/adxrs450_core.c index 15e2496f70c8..6513119b1e90 100644 --- a/drivers/staging/iio/gyro/adxrs450_core.c +++ b/drivers/staging/iio/gyro/adxrs450_core.c @@ -18,8 +18,8 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "adxrs450.h" @@ -265,7 +265,7 @@ static int adxrs450_read_raw(struct iio_dev *indio_dev, s16 t; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: switch (chan->type) { case IIO_ANGL_VEL: ret = adxrs450_spi_sensor_data(indio_dev, &t); @@ -329,14 +329,16 @@ static const struct iio_chan_spec adxrs450_channels[2][2] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, }, { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, } }, [ID_ADXRS453] = { @@ -344,13 +346,15 @@ static const struct iio_chan_spec adxrs450_channels[2][2] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE_BIT, }, { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, } }, }; @@ -368,7 +372,7 @@ static int __devinit adxrs450_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -399,7 +403,7 @@ static int __devinit adxrs450_probe(struct spi_device *spi) error_initial: iio_device_unregister(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -408,7 +412,7 @@ error_ret: static int adxrs450_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h deleted file mode 100644 index b9cd454f69e2..000000000000 --- a/drivers/staging/iio/iio.h +++ /dev/null @@ -1,471 +0,0 @@ - -/* The industrial I/O core - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ -#ifndef _INDUSTRIAL_IO_H_ -#define _INDUSTRIAL_IO_H_ - -#include <linux/device.h> -#include <linux/cdev.h> -#include "types.h" -/* IIO TODO LIST */ -/* - * Provide means of adjusting timer accuracy. - * Currently assumes nano seconds. - */ - -enum iio_data_type { - IIO_RAW, - IIO_PROCESSED, -}; - -/* Could add the raw attributes as well - allowing buffer only devices */ -enum iio_chan_info_enum { - /* 0 is reserved for raw attributes */ - IIO_CHAN_INFO_SCALE = 1, - IIO_CHAN_INFO_OFFSET, - IIO_CHAN_INFO_CALIBSCALE, - IIO_CHAN_INFO_CALIBBIAS, - IIO_CHAN_INFO_PEAK, - IIO_CHAN_INFO_PEAK_SCALE, - IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW, - IIO_CHAN_INFO_AVERAGE_RAW, - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY, -}; - -#define IIO_CHAN_INFO_SHARED_BIT(type) BIT(type*2) -#define IIO_CHAN_INFO_SEPARATE_BIT(type) BIT(type*2 + 1) - -#define IIO_CHAN_INFO_SCALE_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_SCALE) -#define IIO_CHAN_INFO_SCALE_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_SCALE) -#define IIO_CHAN_INFO_OFFSET_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_OFFSET) -#define IIO_CHAN_INFO_OFFSET_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_OFFSET) -#define IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_CALIBSCALE) -#define IIO_CHAN_INFO_CALIBSCALE_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_CALIBSCALE) -#define IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_CALIBBIAS) -#define IIO_CHAN_INFO_CALIBBIAS_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_CALIBBIAS) -#define IIO_CHAN_INFO_PEAK_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_PEAK) -#define IIO_CHAN_INFO_PEAK_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_PEAK) -#define IIO_CHAN_INFO_PEAKSCALE_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_PEAKSCALE) -#define IIO_CHAN_INFO_PEAKSCALE_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_PEAKSCALE) -#define IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT( \ - IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW) -#define IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT( \ - IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW) -#define IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_AVERAGE_RAW) -#define IIO_CHAN_INFO_AVERAGE_RAW_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_AVERAGE_RAW) -#define IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT( \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY) -#define IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT( \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY) - -enum iio_endian { - IIO_CPU, - IIO_BE, - IIO_LE, -}; - -struct iio_chan_spec; -struct iio_dev; - -/** - * struct iio_chan_spec_ext_info - Extended channel info attribute - * @name: Info attribute name - * @shared: Whether this attribute is shared between all channels. - * @read: Read callback for this info attribute, may be NULL. - * @write: Write callback for this info attribute, may be NULL. - */ -struct iio_chan_spec_ext_info { - const char *name; - bool shared; - ssize_t (*read)(struct iio_dev *, struct iio_chan_spec const *, - char *buf); - ssize_t (*write)(struct iio_dev *, struct iio_chan_spec const *, - const char *buf, size_t len); -}; - -/** - * struct iio_chan_spec - specification of a single channel - * @type: What type of measurement is the channel making. - * @channel: What number or name do we wish to assign the channel. - * @channel2: If there is a second number for a differential - * channel then this is it. If modified is set then the - * value here specifies the modifier. - * @address: Driver specific identifier. - * @scan_index: Monotonic index to give ordering in scans when read - * from a buffer. - * @scan_type: Sign: 's' or 'u' to specify signed or unsigned - * realbits: Number of valid bits of data - * storage_bits: Realbits + padding - * shift: Shift right by this before masking out - * realbits. - * endianness: little or big endian - * @info_mask: What information is to be exported about this channel. - * This includes calibbias, scale etc. - * @event_mask: What events can this channel produce. - * @ext_info: Array of extended info attributes for this channel. - * The array is NULL terminated, the last element should - * have it's name field set to NULL. - * @extend_name: Allows labeling of channel attributes with an - * informative name. Note this has no effect codes etc, - * unlike modifiers. - * @datasheet_name: A name used in in kernel mapping of channels. It should - * correspond to the first name that the channel is referred - * to by in the datasheet (e.g. IND), or the nearest - * possible compound name (e.g. IND-INC). - * @processed_val: Flag to specify the data access attribute should be - * *_input rather than *_raw. - * @modified: Does a modifier apply to this channel. What these are - * depends on the channel type. Modifier is set in - * channel2. Examples are IIO_MOD_X for axial sensors about - * the 'x' axis. - * @indexed: Specify the channel has a numerical index. If not, - * the value in channel will be suppressed for attribute - * but not for event codes. Typically set it to 0 when - * the index is false. - * @differential: Channel is differential. - */ -struct iio_chan_spec { - enum iio_chan_type type; - int channel; - int channel2; - unsigned long address; - int scan_index; - struct { - char sign; - u8 realbits; - u8 storagebits; - u8 shift; - enum iio_endian endianness; - } scan_type; - long info_mask; - long event_mask; - const struct iio_chan_spec_ext_info *ext_info; - char *extend_name; - const char *datasheet_name; - unsigned processed_val:1; - unsigned modified:1; - unsigned indexed:1; - unsigned output:1; - unsigned differential:1; -}; - -#define IIO_ST(si, rb, sb, sh) \ - { .sign = si, .realbits = rb, .storagebits = sb, .shift = sh } - -/* Macro assumes input channels */ -#define IIO_CHAN(_type, _mod, _indexed, _proc, _name, _chan, _chan2, \ - _inf_mask, _address, _si, _stype, _event_mask) \ - { .type = _type, \ - .output = 0, \ - .modified = _mod, \ - .indexed = _indexed, \ - .processed_val = _proc, \ - .extend_name = _name, \ - .channel = _chan, \ - .channel2 = _chan2, \ - .info_mask = _inf_mask, \ - .address = _address, \ - .scan_index = _si, \ - .scan_type = _stype, \ - .event_mask = _event_mask } - -#define IIO_CHAN_SOFT_TIMESTAMP(_si) \ - { .type = IIO_TIMESTAMP, .channel = -1, \ - .scan_index = _si, .scan_type = IIO_ST('s', 64, 64, 0) } - -/** - * iio_get_time_ns() - utility function to get a time stamp for events etc - **/ -static inline s64 iio_get_time_ns(void) -{ - struct timespec ts; - /* - * calls getnstimeofday. - * If hrtimers then up to ns accurate, if not microsecond. - */ - ktime_get_real_ts(&ts); - - return timespec_to_ns(&ts); -} - -/* Device operating modes */ -#define INDIO_DIRECT_MODE 0x01 -#define INDIO_BUFFER_TRIGGERED 0x02 -#define INDIO_BUFFER_HARDWARE 0x08 - -#define INDIO_ALL_BUFFER_MODES \ - (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE) - -struct iio_trigger; /* forward declaration */ -struct iio_dev; - -/** - * struct iio_info - constant information about device - * @driver_module: module structure used to ensure correct - * ownership of chrdevs etc - * @event_attrs: event control attributes - * @attrs: general purpose device attributes - * @read_raw: function to request a value from the device. - * mask specifies which value. Note 0 means a reading of - * the channel in question. Return value will specify the - * type of value returned by the device. val and val2 will - * contain the elements making up the returned value. - * @write_raw: function to write a value to the device. - * Parameters are the same as for read_raw. - * @write_raw_get_fmt: callback function to query the expected - * format/precision. If not set by the driver, write_raw - * returns IIO_VAL_INT_PLUS_MICRO. - * @read_event_config: find out if the event is enabled. - * @write_event_config: set if the event is enabled. - * @read_event_value: read a value associated with the event. Meaning - * is event dependant. event_code specifies which event. - * @write_event_value: write the value associated with the event. - * Meaning is event dependent. - * @validate_trigger: function to validate the trigger when the - * current trigger gets changed. - **/ -struct iio_info { - struct module *driver_module; - struct attribute_group *event_attrs; - const struct attribute_group *attrs; - - int (*read_raw)(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int *val, - int *val2, - long mask); - - int (*write_raw)(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int val, - int val2, - long mask); - - int (*write_raw_get_fmt)(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - long mask); - - int (*read_event_config)(struct iio_dev *indio_dev, - u64 event_code); - - int (*write_event_config)(struct iio_dev *indio_dev, - u64 event_code, - int state); - - int (*read_event_value)(struct iio_dev *indio_dev, - u64 event_code, - int *val); - int (*write_event_value)(struct iio_dev *indio_dev, - u64 event_code, - int val); - int (*validate_trigger)(struct iio_dev *indio_dev, - struct iio_trigger *trig); - int (*update_scan_mode)(struct iio_dev *indio_dev, - const unsigned long *scan_mask); - int (*debugfs_reg_access)(struct iio_dev *indio_dev, - unsigned reg, unsigned writeval, - unsigned *readval); -}; - -/** - * struct iio_buffer_setup_ops - buffer setup related callbacks - * @preenable: [DRIVER] function to run prior to marking buffer enabled - * @postenable: [DRIVER] function to run after marking buffer enabled - * @predisable: [DRIVER] function to run prior to marking buffer - * disabled - * @postdisable: [DRIVER] function to run after marking buffer disabled - */ -struct iio_buffer_setup_ops { - int (*preenable)(struct iio_dev *); - int (*postenable)(struct iio_dev *); - int (*predisable)(struct iio_dev *); - int (*postdisable)(struct iio_dev *); -}; - -/** - * struct iio_dev - industrial I/O device - * @id: [INTERN] used to identify device internally - * @modes: [DRIVER] operating modes supported by device - * @currentmode: [DRIVER] current operating mode - * @dev: [DRIVER] device structure, should be assigned a parent - * and owner - * @event_interface: [INTERN] event chrdevs associated with interrupt lines - * @buffer: [DRIVER] any buffer present - * @mlock: [INTERN] lock used to prevent simultaneous device state - * changes - * @available_scan_masks: [DRIVER] optional array of allowed bitmasks - * @masklength: [INTERN] the length of the mask established from - * channels - * @active_scan_mask: [INTERN] union of all scan masks requested by buffers - * @trig: [INTERN] current device trigger (buffer modes) - * @pollfunc: [DRIVER] function run on trigger being received - * @channels: [DRIVER] channel specification structure table - * @num_channels: [DRIVER] number of chanels specified in @channels. - * @channel_attr_list: [INTERN] keep track of automatically created channel - * attributes - * @chan_attr_group: [INTERN] group for all attrs in base directory - * @name: [DRIVER] name of the device. - * @info: [DRIVER] callbacks and constant info from driver - * @info_exist_lock: [INTERN] lock to prevent use during removal - * @chrdev: [INTERN] associated character device - * @groups: [INTERN] attribute groups - * @groupcounter: [INTERN] index of next attribute group - * @flags: [INTERN] file ops related flags including busy flag. - * @debugfs_dentry: [INTERN] device specific debugfs dentry. - * @cached_reg_addr: [INTERN] cached register address for debugfs reads. - */ -struct iio_dev { - int id; - - int modes; - int currentmode; - struct device dev; - - struct iio_event_interface *event_interface; - - struct iio_buffer *buffer; - struct mutex mlock; - - const unsigned long *available_scan_masks; - unsigned masklength; - const unsigned long *active_scan_mask; - struct iio_trigger *trig; - struct iio_poll_func *pollfunc; - - struct iio_chan_spec const *channels; - int num_channels; - - struct list_head channel_attr_list; - struct attribute_group chan_attr_group; - const char *name; - const struct iio_info *info; - struct mutex info_exist_lock; - const struct iio_buffer_setup_ops *setup_ops; - struct cdev chrdev; -#define IIO_MAX_GROUPS 6 - const struct attribute_group *groups[IIO_MAX_GROUPS + 1]; - int groupcounter; - - unsigned long flags; -#if defined(CONFIG_DEBUG_FS) - struct dentry *debugfs_dentry; - unsigned cached_reg_addr; -#endif -}; - -/** - * iio_find_channel_from_si() - get channel from its scan index - * @indio_dev: device - * @si: scan index to match - */ -const struct iio_chan_spec -*iio_find_channel_from_si(struct iio_dev *indio_dev, int si); - -/** - * iio_device_register() - register a device with the IIO subsystem - * @indio_dev: Device structure filled by the device driver - **/ -int iio_device_register(struct iio_dev *indio_dev); - -/** - * iio_device_unregister() - unregister a device from the IIO subsystem - * @indio_dev: Device structure representing the device. - **/ -void iio_device_unregister(struct iio_dev *indio_dev); - -/** - * iio_push_event() - try to add event to the list for userspace reading - * @indio_dev: IIO device structure - * @ev_code: What event - * @timestamp: When the event occurred - **/ -int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp); - -extern struct bus_type iio_bus_type; - -/** - * iio_put_device() - reference counted deallocation of struct device - * @dev: the iio_device containing the device - **/ -static inline void iio_put_device(struct iio_dev *indio_dev) -{ - if (indio_dev) - put_device(&indio_dev->dev); -}; - -/* Can we make this smaller? */ -#define IIO_ALIGN L1_CACHE_BYTES -/** - * iio_allocate_device() - allocate an iio_dev from a driver - * @sizeof_priv: Space to allocate for private structure. - **/ -struct iio_dev *iio_allocate_device(int sizeof_priv); - -static inline void *iio_priv(const struct iio_dev *indio_dev) -{ - return (char *)indio_dev + ALIGN(sizeof(struct iio_dev), IIO_ALIGN); -} - -static inline struct iio_dev *iio_priv_to_dev(void *priv) -{ - return (struct iio_dev *)((char *)priv - - ALIGN(sizeof(struct iio_dev), IIO_ALIGN)); -} - -/** - * iio_free_device() - free an iio_dev from a driver - * @dev: the iio_dev associated with the device - **/ -void iio_free_device(struct iio_dev *indio_dev); - -/** - * iio_buffer_enabled() - helper function to test if the buffer is enabled - * @indio_dev: IIO device info structure for device - **/ -static inline bool iio_buffer_enabled(struct iio_dev *indio_dev) -{ - return indio_dev->currentmode - & (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE); -}; - -/** - * iio_get_debugfs_dentry() - helper function to get the debugfs_dentry - * @indio_dev: IIO device info structure for device - **/ -#if defined(CONFIG_DEBUG_FS) -static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) -{ - return indio_dev->debugfs_dentry; -}; -#else -static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) -{ - return NULL; -}; -#endif - -#endif /* _INDUSTRIAL_IO_H_ */ diff --git a/drivers/staging/iio/iio_core.h b/drivers/staging/iio/iio_core.h deleted file mode 100644 index c9dfcba0bac8..000000000000 --- a/drivers/staging/iio/iio_core.h +++ /dev/null @@ -1,56 +0,0 @@ -/* The industrial I/O core function defs. - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * These definitions are meant for use only within the IIO core, not individual - * drivers. - */ - -#ifndef _IIO_CORE_H_ -#define _IIO_CORE_H_ - -int __iio_add_chan_devattr(const char *postfix, - struct iio_chan_spec const *chan, - ssize_t (*func)(struct device *dev, - struct device_attribute *attr, - char *buf), - ssize_t (*writefunc)(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len), - u64 mask, - bool generic, - struct device *dev, - struct list_head *attr_list); - -/* Event interface flags */ -#define IIO_BUSY_BIT_POS 1 - -#ifdef CONFIG_IIO_BUFFER -struct poll_table_struct; - -unsigned int iio_buffer_poll(struct file *filp, - struct poll_table_struct *wait); -ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf, - size_t n, loff_t *f_ps); - - -#define iio_buffer_poll_addr (&iio_buffer_poll) -#define iio_buffer_read_first_n_outer_addr (&iio_buffer_read_first_n_outer) - -#else - -#define iio_buffer_poll_addr NULL -#define iio_buffer_read_first_n_outer_addr NULL - -#endif - -int iio_device_register_eventset(struct iio_dev *indio_dev); -void iio_device_unregister_eventset(struct iio_dev *indio_dev); -int iio_event_getfd(struct iio_dev *indio_dev); - -#endif diff --git a/drivers/staging/iio/iio_core_trigger.h b/drivers/staging/iio/iio_core_trigger.h deleted file mode 100644 index 6f7c56fcbe78..000000000000 --- a/drivers/staging/iio/iio_core_trigger.h +++ /dev/null @@ -1,46 +0,0 @@ - -/* The industrial I/O core, trigger consumer handling functions - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -#ifdef CONFIG_IIO_TRIGGER -/** - * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers - * @indio_dev: iio_dev associated with the device that will consume the trigger - **/ -void iio_device_register_trigger_consumer(struct iio_dev *indio_dev); - -/** - * iio_device_unregister_trigger_consumer() - reverse the registration process - * @indio_dev: iio_dev associated with the device that consumed the trigger - **/ -void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev); - -#else - -/** - * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers - * @indio_dev: iio_dev associated with the device that will consume the trigger - **/ -static int iio_device_register_trigger_consumer(struct iio_dev *indio_dev) -{ - return 0; -}; - -/** - * iio_device_unregister_trigger_consumer() - reverse the registration process - * @indio_dev: iio_dev associated with the device that consumed the trigger - **/ -static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev) -{ -}; - -#endif /* CONFIG_TRIGGER_CONSUMER */ - - - diff --git a/drivers/staging/iio/iio_dummy_evgen.c b/drivers/staging/iio/iio_dummy_evgen.c index f39f346bf04f..0cd4fe916bf9 100644 --- a/drivers/staging/iio/iio_dummy_evgen.c +++ b/drivers/staging/iio/iio_dummy_evgen.c @@ -22,8 +22,8 @@ #include <linux/sysfs.h> #include "iio_dummy_evgen.h" -#include "iio.h" -#include "sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> /* Fiddly bit of faking and irq without hardware */ #define IIO_EVENTGEN_NO 10 diff --git a/drivers/staging/iio/iio_hwmon.c b/drivers/staging/iio/iio_hwmon.c index a603a5f51f93..b03554fee443 100644 --- a/drivers/staging/iio/iio_hwmon.c +++ b/drivers/staging/iio/iio_hwmon.c @@ -14,8 +14,8 @@ #include <linux/platform_device.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> -#include "consumer.h" -#include "types.h" +#include <linux/iio/consumer.h> +#include <linux/iio/types.h> /** * struct iio_hwmon_state - device instance state diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c index e3a94572bb40..3b4513cf5ab9 100644 --- a/drivers/staging/iio/iio_simple_dummy.c +++ b/drivers/staging/iio/iio_simple_dummy.c @@ -19,10 +19,10 @@ #include <linux/module.h> #include <linux/moduleparam.h> -#include "iio.h" -#include "sysfs.h" -#include "events.h" -#include "buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> +#include <linux/iio/buffer.h> #include "iio_simple_dummy.h" /* @@ -73,6 +73,12 @@ static struct iio_chan_spec iio_dummy_channels[] = { /* What other information is available? */ .info_mask = /* + * in_voltage0_raw + * Raw (unscaled no bias removal etc) measurement + * from the device. + */ + IIO_CHAN_INFO_RAW_SEPARATE_BIT | + /* * in_voltage0_offset * Offset for userspace to apply prior to scale * when converting to standard units (microvolts) @@ -114,6 +120,12 @@ static struct iio_chan_spec iio_dummy_channels[] = { .channel2 = 2, .info_mask = /* + * in_voltage1-voltage2_raw + * Raw (unscaled no bias removal etc) measurement + * from the device. + */ + IIO_CHAN_INFO_RAW_SEPARATE_BIT | + /* * in_voltage-voltage_scale * Shared version of scale - shared by differential * input channels of type IIO_VOLTAGE. @@ -135,6 +147,7 @@ static struct iio_chan_spec iio_dummy_channels[] = { .channel = 3, .channel2 = 4, .info_mask = + IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = diffvoltage3m4, .scan_type = { @@ -154,6 +167,7 @@ static struct iio_chan_spec iio_dummy_channels[] = { /* Channel 2 is use for modifiers */ .channel2 = IIO_MOD_X, .info_mask = + IIO_CHAN_INFO_RAW_SEPARATE_BIT | /* * Internal bias correction value. Applied * by the hardware or driver prior to userspace @@ -177,6 +191,7 @@ static struct iio_chan_spec iio_dummy_channels[] = { /* DAC channel out_voltage0_raw */ { .type = IIO_VOLTAGE, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .output = 1, .indexed = 1, .channel = 0, @@ -203,7 +218,7 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev, mutex_lock(&st->lock); switch (mask) { - case 0: /* magic value - channel value read */ + case IIO_CHAN_INFO_RAW: /* magic value - channel value read */ switch (chan->type) { case IIO_VOLTAGE: if (chan->output) { @@ -290,7 +305,7 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev, struct iio_dummy_state *st = iio_priv(indio_dev); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (chan->output == 0) return -EINVAL; @@ -377,7 +392,7 @@ static int __devinit iio_dummy_probe(int index) * It also has a region (accessed by iio_priv() * for chip specific state information. */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -457,7 +472,7 @@ error_unregister_events: error_free_device: /* Note free device should only be called, before registration * has succeeded. */ - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -494,7 +509,7 @@ static int iio_dummy_remove(int index) goto error_ret; /* Free all structures */ - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; diff --git a/drivers/staging/iio/iio_simple_dummy_buffer.c b/drivers/staging/iio/iio_simple_dummy_buffer.c index bb4daf744362..372606572d15 100644 --- a/drivers/staging/iio/iio_simple_dummy_buffer.c +++ b/drivers/staging/iio/iio_simple_dummy_buffer.c @@ -18,9 +18,9 @@ #include <linux/irq.h> #include <linux/bitmap.h> -#include "iio.h" -#include "trigger_consumer.h" -#include "kfifo_buf.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger_consumer.h> +#include <linux/iio/kfifo_buf.h> #include "iio_simple_dummy.h" @@ -48,12 +48,9 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p) struct iio_dev *indio_dev = pf->indio_dev; struct iio_buffer *buffer = indio_dev->buffer; int len = 0; - /* - * The datasize is obtained from the buffer. It was stored when - * the preenable setup function was called. - */ - size_t datasize = buffer->access->get_bytes_per_datum(buffer); - u16 *data = kmalloc(datasize, GFP_KERNEL); + u16 *data; + + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) return -ENOMEM; @@ -87,7 +84,7 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p) } } /* Store a timestampe at an 8 byte boundary */ - if (buffer->scan_timestamp) + if (indio_dev->scan_timestamp) *(s64 *)(((phys_addr_t)data + len + sizeof(s64) - 1) & ~(sizeof(s64) - 1)) = iio_get_time_ns(); diff --git a/drivers/staging/iio/iio_simple_dummy_events.c b/drivers/staging/iio/iio_simple_dummy_events.c index 449c7a5ece80..f85bd197ed31 100644 --- a/drivers/staging/iio/iio_simple_dummy_events.c +++ b/drivers/staging/iio/iio_simple_dummy_events.c @@ -12,9 +12,9 @@ #include <linux/interrupt.h> #include <linux/irq.h> -#include "iio.h" -#include "sysfs.h" -#include "events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> #include "iio_simple_dummy.h" /* Evgen 'fakes' interrupt events for this example */ diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index cd82b56d58af..359a794f684a 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -19,9 +19,9 @@ #include <linux/module.h> #include <asm/div64.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "../ring_sw.h" #include "ad5933.h" @@ -109,15 +109,46 @@ static struct ad5933_platform_data ad5933_default_pdata = { }; static struct iio_chan_spec ad5933_channels[] = { - IIO_CHAN(IIO_TEMP, 0, 1, 1, NULL, 0, 0, 0, - 0, AD5933_REG_TEMP_DATA, IIO_ST('s', 14, 16, 0), 0), - /* Ring Channels */ - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "real_raw", 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - AD5933_REG_REAL_DATA, 0, IIO_ST('s', 16, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "imag_raw", 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - AD5933_REG_IMAG_DATA, 1, IIO_ST('s', 16, 16, 0), 0), + { + .type = IIO_TEMP, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT, + .address = AD5933_REG_TEMP_DATA, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { /* Ring Channels */ + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .extend_name = "real_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = AD5933_REG_REAL_DATA, + .scan_index = 0, + .scan_type = { + .sign = 's', + .realbits = 16, + .storagebits = 16, + }, + }, { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .extend_name = "imag_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = AD5933_REG_IMAG_DATA, + .scan_index = 1, + .scan_type = { + .sign = 's', + .realbits = 16, + .storagebits = 16, + }, + }, }; static int ad5933_i2c_write(struct i2c_client *client, @@ -495,7 +526,8 @@ static int ad5933_read_raw(struct iio_dev *indio_dev, mutex_lock(&indio_dev->mlock); switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: + case IIO_CHAN_INFO_PROCESSED: if (iio_buffer_enabled(indio_dev)) { ret = -EBUSY; goto out; @@ -537,19 +569,14 @@ static const struct iio_info ad5933_info = { static int ad5933_ring_preenable(struct iio_dev *indio_dev) { struct ad5933_state *st = iio_priv(indio_dev); - size_t d_size; int ret; if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; - d_size = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * - ad5933_channels[1].scan_type.storagebits / 8; - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, d_size); + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; ret = ad5933_reset(st); if (ret < 0) @@ -678,7 +705,7 @@ static int __devinit ad5933_probe(struct i2c_client *client, int ret, voltage_uv = 0; struct ad5933_platform_data *pdata = client->dev.platform_data; struct ad5933_state *st; - struct iio_dev *indio_dev = iio_allocate_device(sizeof(*st)); + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -757,7 +784,7 @@ error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -774,7 +801,7 @@ static __devexit int ad5933_remove(struct i2c_client *client) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/imu/adis16400_core.c b/drivers/staging/iio/imu/adis16400_core.c index e73ad7818d85..5015f823b65f 100644 --- a/drivers/staging/iio/imu/adis16400_core.c +++ b/drivers/staging/iio/imu/adis16400_core.c @@ -26,9 +26,9 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "adis16400.h" enum adis16400_chip_variant { @@ -545,7 +545,7 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, s16 val16; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); ret = adis16400_spi_read_reg_16(indio_dev, adis16400_addresses[chan->address][0], @@ -635,7 +635,8 @@ static struct iio_chan_spec adis16400_channels[] = { .indexed = 1, .channel = 0, .extend_name = "supply", - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in_supply, .scan_index = ADIS16400_SCAN_SUPPLY, .scan_type = IIO_ST('u', 14, 16, 0) @@ -643,7 +644,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_x, @@ -653,7 +655,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_y, @@ -663,7 +666,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_z, @@ -673,7 +677,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_x, @@ -683,7 +688,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_y, @@ -693,7 +699,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_z, @@ -703,7 +710,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_MAGN, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = magn_x, .scan_index = ADIS16400_SCAN_MAGN_X, @@ -712,7 +720,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_MAGN, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = magn_y, .scan_index = ADIS16400_SCAN_MAGN_Y, @@ -721,7 +730,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_MAGN, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = magn_z, .scan_index = ADIS16400_SCAN_MAGN_Z, @@ -730,7 +740,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = temp, .scan_index = ADIS16400_SCAN_TEMP, @@ -739,7 +750,8 @@ static struct iio_chan_spec adis16400_channels[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in1, .scan_index = ADIS16400_SCAN_ADC_0, .scan_type = IIO_ST('s', 12, 16, 0), @@ -753,7 +765,8 @@ static struct iio_chan_spec adis16350_channels[] = { .indexed = 1, .channel = 0, .extend_name = "supply", - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in_supply, .scan_index = ADIS16400_SCAN_SUPPLY, .scan_type = IIO_ST('u', 12, 16, 0) @@ -761,7 +774,8 @@ static struct iio_chan_spec adis16350_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_x, @@ -771,7 +785,8 @@ static struct iio_chan_spec adis16350_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_y, @@ -781,17 +796,19 @@ static struct iio_chan_spec adis16350_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_z, .scan_index = ADIS16400_SCAN_GYRO_Z, .scan_type = IIO_ST('s', 14, 16, 0), }, { - .type = IIO_ACCEL, + .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_x, @@ -801,7 +818,8 @@ static struct iio_chan_spec adis16350_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_y, @@ -811,7 +829,8 @@ static struct iio_chan_spec adis16350_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_z, @@ -822,7 +841,8 @@ static struct iio_chan_spec adis16350_channels[] = { .indexed = 1, .channel = 0, .extend_name = "x", - .info_mask = IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = temp0, @@ -833,7 +853,8 @@ static struct iio_chan_spec adis16350_channels[] = { .indexed = 1, .channel = 1, .extend_name = "y", - .info_mask = IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = temp1, @@ -844,7 +865,8 @@ static struct iio_chan_spec adis16350_channels[] = { .indexed = 1, .channel = 2, .extend_name = "z", - .info_mask = IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = temp2, .scan_index = ADIS16350_SCAN_TEMP_Z, @@ -853,7 +875,8 @@ static struct iio_chan_spec adis16350_channels[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in1, .scan_index = ADIS16350_SCAN_ADC_0, .scan_type = IIO_ST('s', 12, 16, 0), @@ -867,7 +890,8 @@ static struct iio_chan_spec adis16300_channels[] = { .indexed = 1, .channel = 0, .extend_name = "supply", - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in_supply, .scan_index = ADIS16400_SCAN_SUPPLY, .scan_type = IIO_ST('u', 12, 16, 0) @@ -875,7 +899,8 @@ static struct iio_chan_spec adis16300_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_x, @@ -885,7 +910,8 @@ static struct iio_chan_spec adis16300_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_x, @@ -895,7 +921,8 @@ static struct iio_chan_spec adis16300_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_y, @@ -905,7 +932,8 @@ static struct iio_chan_spec adis16300_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_z, @@ -915,7 +943,8 @@ static struct iio_chan_spec adis16300_channels[] = { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = temp, .scan_index = ADIS16400_SCAN_TEMP, @@ -924,7 +953,8 @@ static struct iio_chan_spec adis16300_channels[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in1, .scan_index = ADIS16350_SCAN_ADC_0, .scan_type = IIO_ST('s', 12, 16, 0), @@ -932,7 +962,8 @@ static struct iio_chan_spec adis16300_channels[] = { .type = IIO_INCLI, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .address = incli_x, .scan_index = ADIS16300_SCAN_INCLI_X, .scan_type = IIO_ST('s', 13, 16, 0), @@ -940,7 +971,8 @@ static struct iio_chan_spec adis16300_channels[] = { .type = IIO_INCLI, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, .address = incli_y, .scan_index = ADIS16300_SCAN_INCLI_Y, .scan_type = IIO_ST('s', 13, 16, 0), @@ -953,7 +985,8 @@ static const struct iio_chan_spec adis16334_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_x, @@ -963,7 +996,8 @@ static const struct iio_chan_spec adis16334_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_y, @@ -973,7 +1007,8 @@ static const struct iio_chan_spec adis16334_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_z, @@ -983,7 +1018,8 @@ static const struct iio_chan_spec adis16334_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_x, @@ -993,7 +1029,8 @@ static const struct iio_chan_spec adis16334_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_y, @@ -1003,7 +1040,8 @@ static const struct iio_chan_spec adis16334_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT | IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = accel_z, @@ -1013,7 +1051,8 @@ static const struct iio_chan_spec adis16334_channels[] = { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT, .address = accel_z, .scan_index = ADIS16400_SCAN_ACC_Z, @@ -1122,7 +1161,7 @@ static int __devinit adis16400_probe(struct spi_device *spi) { int ret; struct adis16400_state *st; - struct iio_dev *indio_dev = iio_allocate_device(sizeof(*st)); + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -1172,14 +1211,14 @@ static int __devinit adis16400_probe(struct spi_device *spi) return 0; error_remove_trigger: - if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) + if (spi->irq) adis16400_remove_trigger(indio_dev); error_uninitialize_ring: iio_buffer_unregister(indio_dev); error_unreg_ring_funcs: adis16400_unconfigure_ring(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -1198,7 +1237,7 @@ static int adis16400_remove(struct spi_device *spi) adis16400_remove_trigger(indio_dev); iio_buffer_unregister(indio_dev); adis16400_unconfigure_ring(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c index 8daa038b23e6..e43c0e2f43a6 100644 --- a/drivers/staging/iio/imu/adis16400_ring.c +++ b/drivers/staging/iio/imu/adis16400_ring.c @@ -6,9 +6,9 @@ #include <linux/bitops.h> #include <linux/export.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "adis16400.h" /** @@ -119,12 +119,12 @@ static irqreturn_t adis16400_trigger_handler(int irq, void *p) struct iio_buffer *ring = indio_dev->buffer; int i = 0, j, ret = 0; s16 *data; - size_t datasize = ring->access->get_bytes_per_datum(ring); + /* Asumption that long is enough for maximum channels */ unsigned long mask = *indio_dev->active_scan_mask; int scan_count = bitmap_weight(indio_dev->active_scan_mask, indio_dev->masklength); - data = kmalloc(datasize , GFP_KERNEL); + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) { dev_err(&st->us->dev, "memory alloc failed in ring bh"); return -ENOMEM; diff --git a/drivers/staging/iio/imu/adis16400_trigger.c b/drivers/staging/iio/imu/adis16400_trigger.c index 5bf000757522..42a678e92fc6 100644 --- a/drivers/staging/iio/imu/adis16400_trigger.c +++ b/drivers/staging/iio/imu/adis16400_trigger.c @@ -3,8 +3,8 @@ #include <linux/spi/spi.h> #include <linux/export.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> #include "adis16400.h" /** @@ -29,7 +29,7 @@ int adis16400_probe_trigger(struct iio_dev *indio_dev) int ret; struct adis16400_state *st = iio_priv(indio_dev); - st->trig = iio_allocate_trigger("%s-dev%d", + st->trig = iio_trigger_alloc("%s-dev%d", indio_dev->name, indio_dev->id); if (st->trig == NULL) { @@ -59,7 +59,7 @@ int adis16400_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->us->irq, st->trig); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -70,5 +70,5 @@ void adis16400_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(st->trig); free_irq(st->us->irq, st->trig); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } diff --git a/drivers/staging/iio/industrialio-buffer.c b/drivers/staging/iio/industrialio-buffer.c deleted file mode 100644 index 386ba760f3f1..000000000000 --- a/drivers/staging/iio/industrialio-buffer.c +++ /dev/null @@ -1,734 +0,0 @@ -/* The industrial I/O core - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * Handling of buffer allocation / resizing. - * - * - * Things to look at here. - * - Better memory allocation techniques? - * - Alternative access techniques? - */ -#include <linux/kernel.h> -#include <linux/export.h> -#include <linux/device.h> -#include <linux/fs.h> -#include <linux/cdev.h> -#include <linux/slab.h> -#include <linux/poll.h> - -#include "iio.h" -#include "iio_core.h" -#include "sysfs.h" -#include "buffer.h" - -static const char * const iio_endian_prefix[] = { - [IIO_BE] = "be", - [IIO_LE] = "le", -}; - -/** - * iio_buffer_read_first_n_outer() - chrdev read for buffer access - * - * This function relies on all buffer implementations having an - * iio_buffer as their first element. - **/ -ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf, - size_t n, loff_t *f_ps) -{ - struct iio_dev *indio_dev = filp->private_data; - struct iio_buffer *rb = indio_dev->buffer; - - if (!rb || !rb->access->read_first_n) - return -EINVAL; - return rb->access->read_first_n(rb, n, buf); -} - -/** - * iio_buffer_poll() - poll the buffer to find out if it has data - */ -unsigned int iio_buffer_poll(struct file *filp, - struct poll_table_struct *wait) -{ - struct iio_dev *indio_dev = filp->private_data; - struct iio_buffer *rb = indio_dev->buffer; - - poll_wait(filp, &rb->pollq, wait); - if (rb->stufftoread) - return POLLIN | POLLRDNORM; - /* need a way of knowing if there may be enough data... */ - return 0; -} - -void iio_buffer_init(struct iio_buffer *buffer) -{ - INIT_LIST_HEAD(&buffer->demux_list); - init_waitqueue_head(&buffer->pollq); -} -EXPORT_SYMBOL(iio_buffer_init); - -static ssize_t iio_show_scan_index(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%u\n", to_iio_dev_attr(attr)->c->scan_index); -} - -static ssize_t iio_show_fixed_type(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - u8 type = this_attr->c->scan_type.endianness; - - if (type == IIO_CPU) { -#ifdef __LITTLE_ENDIAN - type = IIO_LE; -#else - type = IIO_BE; -#endif - } - return sprintf(buf, "%s:%c%d/%d>>%u\n", - iio_endian_prefix[type], - this_attr->c->scan_type.sign, - this_attr->c->scan_type.realbits, - this_attr->c->scan_type.storagebits, - this_attr->c->scan_type.shift); -} - -static ssize_t iio_scan_el_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int ret; - struct iio_dev *indio_dev = dev_get_drvdata(dev); - - ret = test_bit(to_iio_dev_attr(attr)->address, - indio_dev->buffer->scan_mask); - - return sprintf(buf, "%d\n", ret); -} - -static int iio_scan_mask_clear(struct iio_buffer *buffer, int bit) -{ - clear_bit(bit, buffer->scan_mask); - return 0; -} - -static ssize_t iio_scan_el_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - int ret = 0; - bool state; - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_buffer *buffer = indio_dev->buffer; - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - - state = !(buf[0] == '0'); - mutex_lock(&indio_dev->mlock); - if (iio_buffer_enabled(indio_dev)) { - ret = -EBUSY; - goto error_ret; - } - ret = iio_scan_mask_query(indio_dev, buffer, this_attr->address); - if (ret < 0) - goto error_ret; - if (!state && ret) { - ret = iio_scan_mask_clear(buffer, this_attr->address); - if (ret) - goto error_ret; - } else if (state && !ret) { - ret = iio_scan_mask_set(indio_dev, buffer, this_attr->address); - if (ret) - goto error_ret; - } - -error_ret: - mutex_unlock(&indio_dev->mlock); - - return ret < 0 ? ret : len; - -} - -static ssize_t iio_scan_el_ts_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - return sprintf(buf, "%d\n", indio_dev->buffer->scan_timestamp); -} - -static ssize_t iio_scan_el_ts_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - int ret = 0; - struct iio_dev *indio_dev = dev_get_drvdata(dev); - bool state; - - state = !(buf[0] == '0'); - mutex_lock(&indio_dev->mlock); - if (iio_buffer_enabled(indio_dev)) { - ret = -EBUSY; - goto error_ret; - } - indio_dev->buffer->scan_timestamp = state; -error_ret: - mutex_unlock(&indio_dev->mlock); - - return ret ? ret : len; -} - -static int iio_buffer_add_channel_sysfs(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan) -{ - int ret, attrcount = 0; - struct iio_buffer *buffer = indio_dev->buffer; - - ret = __iio_add_chan_devattr("index", - chan, - &iio_show_scan_index, - NULL, - 0, - 0, - &indio_dev->dev, - &buffer->scan_el_dev_attr_list); - if (ret) - goto error_ret; - attrcount++; - ret = __iio_add_chan_devattr("type", - chan, - &iio_show_fixed_type, - NULL, - 0, - 0, - &indio_dev->dev, - &buffer->scan_el_dev_attr_list); - if (ret) - goto error_ret; - attrcount++; - if (chan->type != IIO_TIMESTAMP) - ret = __iio_add_chan_devattr("en", - chan, - &iio_scan_el_show, - &iio_scan_el_store, - chan->scan_index, - 0, - &indio_dev->dev, - &buffer->scan_el_dev_attr_list); - else - ret = __iio_add_chan_devattr("en", - chan, - &iio_scan_el_ts_show, - &iio_scan_el_ts_store, - chan->scan_index, - 0, - &indio_dev->dev, - &buffer->scan_el_dev_attr_list); - attrcount++; - ret = attrcount; -error_ret: - return ret; -} - -static void iio_buffer_remove_and_free_scan_dev_attr(struct iio_dev *indio_dev, - struct iio_dev_attr *p) -{ - kfree(p->dev_attr.attr.name); - kfree(p); -} - -static void __iio_buffer_attr_cleanup(struct iio_dev *indio_dev) -{ - struct iio_dev_attr *p, *n; - struct iio_buffer *buffer = indio_dev->buffer; - - list_for_each_entry_safe(p, n, - &buffer->scan_el_dev_attr_list, l) - iio_buffer_remove_and_free_scan_dev_attr(indio_dev, p); -} - -static const char * const iio_scan_elements_group_name = "scan_elements"; - -int iio_buffer_register(struct iio_dev *indio_dev, - const struct iio_chan_spec *channels, - int num_channels) -{ - struct iio_dev_attr *p; - struct attribute **attr; - struct iio_buffer *buffer = indio_dev->buffer; - int ret, i, attrn, attrcount, attrcount_orig = 0; - - if (buffer->attrs) - indio_dev->groups[indio_dev->groupcounter++] = buffer->attrs; - - if (buffer->scan_el_attrs != NULL) { - attr = buffer->scan_el_attrs->attrs; - while (*attr++ != NULL) - attrcount_orig++; - } - attrcount = attrcount_orig; - INIT_LIST_HEAD(&buffer->scan_el_dev_attr_list); - if (channels) { - /* new magic */ - for (i = 0; i < num_channels; i++) { - /* Establish necessary mask length */ - if (channels[i].scan_index > - (int)indio_dev->masklength - 1) - indio_dev->masklength - = indio_dev->channels[i].scan_index + 1; - - ret = iio_buffer_add_channel_sysfs(indio_dev, - &channels[i]); - if (ret < 0) - goto error_cleanup_dynamic; - attrcount += ret; - if (channels[i].type == IIO_TIMESTAMP) - buffer->scan_index_timestamp = - channels[i].scan_index; - } - if (indio_dev->masklength && buffer->scan_mask == NULL) { - buffer->scan_mask = kcalloc(BITS_TO_LONGS(indio_dev->masklength), - sizeof(*buffer->scan_mask), - GFP_KERNEL); - if (buffer->scan_mask == NULL) { - ret = -ENOMEM; - goto error_cleanup_dynamic; - } - } - } - - buffer->scan_el_group.name = iio_scan_elements_group_name; - - buffer->scan_el_group.attrs = kcalloc(attrcount + 1, - sizeof(buffer->scan_el_group.attrs[0]), - GFP_KERNEL); - if (buffer->scan_el_group.attrs == NULL) { - ret = -ENOMEM; - goto error_free_scan_mask; - } - if (buffer->scan_el_attrs) - memcpy(buffer->scan_el_group.attrs, buffer->scan_el_attrs, - sizeof(buffer->scan_el_group.attrs[0])*attrcount_orig); - attrn = attrcount_orig; - - list_for_each_entry(p, &buffer->scan_el_dev_attr_list, l) - buffer->scan_el_group.attrs[attrn++] = &p->dev_attr.attr; - indio_dev->groups[indio_dev->groupcounter++] = &buffer->scan_el_group; - - return 0; - -error_free_scan_mask: - kfree(buffer->scan_mask); -error_cleanup_dynamic: - __iio_buffer_attr_cleanup(indio_dev); - - return ret; -} -EXPORT_SYMBOL(iio_buffer_register); - -void iio_buffer_unregister(struct iio_dev *indio_dev) -{ - kfree(indio_dev->buffer->scan_mask); - kfree(indio_dev->buffer->scan_el_group.attrs); - __iio_buffer_attr_cleanup(indio_dev); -} -EXPORT_SYMBOL(iio_buffer_unregister); - -ssize_t iio_buffer_read_length(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_buffer *buffer = indio_dev->buffer; - - if (buffer->access->get_length) - return sprintf(buf, "%d\n", - buffer->access->get_length(buffer)); - - return 0; -} -EXPORT_SYMBOL(iio_buffer_read_length); - -ssize_t iio_buffer_write_length(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - int ret; - ulong val; - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_buffer *buffer = indio_dev->buffer; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return ret; - - if (buffer->access->get_length) - if (val == buffer->access->get_length(buffer)) - return len; - - mutex_lock(&indio_dev->mlock); - if (iio_buffer_enabled(indio_dev)) { - ret = -EBUSY; - } else { - if (buffer->access->set_length) - buffer->access->set_length(buffer, val); - ret = 0; - } - mutex_unlock(&indio_dev->mlock); - - return ret ? ret : len; -} -EXPORT_SYMBOL(iio_buffer_write_length); - -ssize_t iio_buffer_store_enable(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - int ret; - bool requested_state, current_state; - int previous_mode; - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_buffer *buffer = indio_dev->buffer; - - mutex_lock(&indio_dev->mlock); - previous_mode = indio_dev->currentmode; - requested_state = !(buf[0] == '0'); - current_state = iio_buffer_enabled(indio_dev); - if (current_state == requested_state) { - printk(KERN_INFO "iio-buffer, current state requested again\n"); - goto done; - } - if (requested_state) { - if (indio_dev->setup_ops->preenable) { - ret = indio_dev->setup_ops->preenable(indio_dev); - if (ret) { - printk(KERN_ERR - "Buffer not started:" - "buffer preenable failed\n"); - goto error_ret; - } - } - if (buffer->access->request_update) { - ret = buffer->access->request_update(buffer); - if (ret) { - printk(KERN_INFO - "Buffer not started:" - "buffer parameter update failed\n"); - goto error_ret; - } - } - /* Definitely possible for devices to support both of these.*/ - if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) { - if (!indio_dev->trig) { - printk(KERN_INFO - "Buffer not started: no trigger\n"); - ret = -EINVAL; - goto error_ret; - } - indio_dev->currentmode = INDIO_BUFFER_TRIGGERED; - } else if (indio_dev->modes & INDIO_BUFFER_HARDWARE) - indio_dev->currentmode = INDIO_BUFFER_HARDWARE; - else { /* should never be reached */ - ret = -EINVAL; - goto error_ret; - } - - if (indio_dev->setup_ops->postenable) { - ret = indio_dev->setup_ops->postenable(indio_dev); - if (ret) { - printk(KERN_INFO - "Buffer not started:" - "postenable failed\n"); - indio_dev->currentmode = previous_mode; - if (indio_dev->setup_ops->postdisable) - indio_dev->setup_ops-> - postdisable(indio_dev); - goto error_ret; - } - } - } else { - if (indio_dev->setup_ops->predisable) { - ret = indio_dev->setup_ops->predisable(indio_dev); - if (ret) - goto error_ret; - } - indio_dev->currentmode = INDIO_DIRECT_MODE; - if (indio_dev->setup_ops->postdisable) { - ret = indio_dev->setup_ops->postdisable(indio_dev); - if (ret) - goto error_ret; - } - } -done: - mutex_unlock(&indio_dev->mlock); - return len; - -error_ret: - mutex_unlock(&indio_dev->mlock); - return ret; -} -EXPORT_SYMBOL(iio_buffer_store_enable); - -ssize_t iio_buffer_show_enable(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - return sprintf(buf, "%d\n", iio_buffer_enabled(indio_dev)); -} -EXPORT_SYMBOL(iio_buffer_show_enable); - -/* note NULL used as error indicator as it doesn't make sense. */ -static const unsigned long *iio_scan_mask_match(const unsigned long *av_masks, - unsigned int masklength, - const unsigned long *mask) -{ - if (bitmap_empty(mask, masklength)) - return NULL; - while (*av_masks) { - if (bitmap_subset(mask, av_masks, masklength)) - return av_masks; - av_masks += BITS_TO_LONGS(masklength); - } - return NULL; -} - -int iio_sw_buffer_preenable(struct iio_dev *indio_dev) -{ - struct iio_buffer *buffer = indio_dev->buffer; - const struct iio_chan_spec *ch; - unsigned bytes = 0; - int length, i; - dev_dbg(&indio_dev->dev, "%s\n", __func__); - - /* How much space will the demuxed element take? */ - for_each_set_bit(i, buffer->scan_mask, - indio_dev->masklength) { - ch = iio_find_channel_from_si(indio_dev, i); - length = ch->scan_type.storagebits/8; - bytes = ALIGN(bytes, length); - bytes += length; - } - if (buffer->scan_timestamp) { - ch = iio_find_channel_from_si(indio_dev, - buffer->scan_index_timestamp); - length = ch->scan_type.storagebits/8; - bytes = ALIGN(bytes, length); - bytes += length; - } - buffer->access->set_bytes_per_datum(buffer, bytes); - - /* What scan mask do we actually have ?*/ - if (indio_dev->available_scan_masks) - indio_dev->active_scan_mask = - iio_scan_mask_match(indio_dev->available_scan_masks, - indio_dev->masklength, - buffer->scan_mask); - else - indio_dev->active_scan_mask = buffer->scan_mask; - iio_update_demux(indio_dev); - - if (indio_dev->info->update_scan_mode) - return indio_dev->info - ->update_scan_mode(indio_dev, - indio_dev->active_scan_mask); - return 0; -} -EXPORT_SYMBOL(iio_sw_buffer_preenable); - -/** - * iio_scan_mask_set() - set particular bit in the scan mask - * @buffer: the buffer whose scan mask we are interested in - * @bit: the bit to be set. - **/ -int iio_scan_mask_set(struct iio_dev *indio_dev, - struct iio_buffer *buffer, int bit) -{ - const unsigned long *mask; - unsigned long *trialmask; - - trialmask = kmalloc(sizeof(*trialmask)* - BITS_TO_LONGS(indio_dev->masklength), - GFP_KERNEL); - - if (trialmask == NULL) - return -ENOMEM; - if (!indio_dev->masklength) { - WARN_ON("trying to set scanmask prior to registering buffer\n"); - kfree(trialmask); - return -EINVAL; - } - bitmap_copy(trialmask, buffer->scan_mask, indio_dev->masklength); - set_bit(bit, trialmask); - - if (indio_dev->available_scan_masks) { - mask = iio_scan_mask_match(indio_dev->available_scan_masks, - indio_dev->masklength, - trialmask); - if (!mask) { - kfree(trialmask); - return -EINVAL; - } - } - bitmap_copy(buffer->scan_mask, trialmask, indio_dev->masklength); - - kfree(trialmask); - - return 0; -}; -EXPORT_SYMBOL_GPL(iio_scan_mask_set); - -int iio_scan_mask_query(struct iio_dev *indio_dev, - struct iio_buffer *buffer, int bit) -{ - if (bit > indio_dev->masklength) - return -EINVAL; - - if (!buffer->scan_mask) - return 0; - - return test_bit(bit, buffer->scan_mask); -}; -EXPORT_SYMBOL_GPL(iio_scan_mask_query); - -/** - * struct iio_demux_table() - table describing demux memcpy ops - * @from: index to copy from - * @to: index to copy to - * @length: how many bytes to copy - * @l: list head used for management - */ -struct iio_demux_table { - unsigned from; - unsigned to; - unsigned length; - struct list_head l; -}; - -static unsigned char *iio_demux(struct iio_buffer *buffer, - unsigned char *datain) -{ - struct iio_demux_table *t; - - if (list_empty(&buffer->demux_list)) - return datain; - list_for_each_entry(t, &buffer->demux_list, l) - memcpy(buffer->demux_bounce + t->to, - datain + t->from, t->length); - - return buffer->demux_bounce; -} - -int iio_push_to_buffer(struct iio_buffer *buffer, unsigned char *data, - s64 timestamp) -{ - unsigned char *dataout = iio_demux(buffer, data); - - return buffer->access->store_to(buffer, dataout, timestamp); -} -EXPORT_SYMBOL_GPL(iio_push_to_buffer); - -int iio_update_demux(struct iio_dev *indio_dev) -{ - const struct iio_chan_spec *ch; - struct iio_buffer *buffer = indio_dev->buffer; - int ret, in_ind = -1, out_ind, length; - unsigned in_loc = 0, out_loc = 0; - struct iio_demux_table *p, *q; - - /* Clear out any old demux */ - list_for_each_entry_safe(p, q, &buffer->demux_list, l) { - list_del(&p->l); - kfree(p); - } - kfree(buffer->demux_bounce); - buffer->demux_bounce = NULL; - - /* First work out which scan mode we will actually have */ - if (bitmap_equal(indio_dev->active_scan_mask, - buffer->scan_mask, - indio_dev->masklength)) - return 0; - - /* Now we have the two masks, work from least sig and build up sizes */ - for_each_set_bit(out_ind, - indio_dev->active_scan_mask, - indio_dev->masklength) { - in_ind = find_next_bit(indio_dev->active_scan_mask, - indio_dev->masklength, - in_ind + 1); - while (in_ind != out_ind) { - in_ind = find_next_bit(indio_dev->active_scan_mask, - indio_dev->masklength, - in_ind + 1); - ch = iio_find_channel_from_si(indio_dev, in_ind); - length = ch->scan_type.storagebits/8; - /* Make sure we are aligned */ - in_loc += length; - if (in_loc % length) - in_loc += length - in_loc % length; - } - p = kmalloc(sizeof(*p), GFP_KERNEL); - if (p == NULL) { - ret = -ENOMEM; - goto error_clear_mux_table; - } - ch = iio_find_channel_from_si(indio_dev, in_ind); - length = ch->scan_type.storagebits/8; - if (out_loc % length) - out_loc += length - out_loc % length; - if (in_loc % length) - in_loc += length - in_loc % length; - p->from = in_loc; - p->to = out_loc; - p->length = length; - list_add_tail(&p->l, &buffer->demux_list); - out_loc += length; - in_loc += length; - } - /* Relies on scan_timestamp being last */ - if (buffer->scan_timestamp) { - p = kmalloc(sizeof(*p), GFP_KERNEL); - if (p == NULL) { - ret = -ENOMEM; - goto error_clear_mux_table; - } - ch = iio_find_channel_from_si(indio_dev, - buffer->scan_index_timestamp); - length = ch->scan_type.storagebits/8; - if (out_loc % length) - out_loc += length - out_loc % length; - if (in_loc % length) - in_loc += length - in_loc % length; - p->from = in_loc; - p->to = out_loc; - p->length = length; - list_add_tail(&p->l, &buffer->demux_list); - out_loc += length; - in_loc += length; - } - buffer->demux_bounce = kzalloc(out_loc, GFP_KERNEL); - if (buffer->demux_bounce == NULL) { - ret = -ENOMEM; - goto error_clear_mux_table; - } - return 0; - -error_clear_mux_table: - list_for_each_entry_safe(p, q, &buffer->demux_list, l) { - list_del(&p->l); - kfree(p); - } - return ret; -} -EXPORT_SYMBOL_GPL(iio_update_demux); diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c deleted file mode 100644 index d303bfbff27f..000000000000 --- a/drivers/staging/iio/industrialio-core.c +++ /dev/null @@ -1,927 +0,0 @@ -/* The industrial I/O core - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * Based on elements of hwmon and input subsystems. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/idr.h> -#include <linux/kdev_t.h> -#include <linux/err.h> -#include <linux/device.h> -#include <linux/fs.h> -#include <linux/poll.h> -#include <linux/sched.h> -#include <linux/wait.h> -#include <linux/cdev.h> -#include <linux/slab.h> -#include <linux/anon_inodes.h> -#include <linux/debugfs.h> -#include "iio.h" -#include "iio_core.h" -#include "iio_core_trigger.h" -#include "sysfs.h" -#include "events.h" - -/* IDA to assign each registered device a unique id*/ -static DEFINE_IDA(iio_ida); - -static dev_t iio_devt; - -#define IIO_DEV_MAX 256 -struct bus_type iio_bus_type = { - .name = "iio", -}; -EXPORT_SYMBOL(iio_bus_type); - -static struct dentry *iio_debugfs_dentry; - -static const char * const iio_data_type_name[] = { - [IIO_RAW] = "raw", - [IIO_PROCESSED] = "input", -}; - -static const char * const iio_direction[] = { - [0] = "in", - [1] = "out", -}; - -static const char * const iio_chan_type_name_spec[] = { - [IIO_VOLTAGE] = "voltage", - [IIO_CURRENT] = "current", - [IIO_POWER] = "power", - [IIO_ACCEL] = "accel", - [IIO_ANGL_VEL] = "anglvel", - [IIO_MAGN] = "magn", - [IIO_LIGHT] = "illuminance", - [IIO_INTENSITY] = "intensity", - [IIO_PROXIMITY] = "proximity", - [IIO_TEMP] = "temp", - [IIO_INCLI] = "incli", - [IIO_ROT] = "rot", - [IIO_ANGL] = "angl", - [IIO_TIMESTAMP] = "timestamp", - [IIO_CAPACITANCE] = "capacitance", -}; - -static const char * const iio_modifier_names[] = { - [IIO_MOD_X] = "x", - [IIO_MOD_Y] = "y", - [IIO_MOD_Z] = "z", - [IIO_MOD_LIGHT_BOTH] = "both", - [IIO_MOD_LIGHT_IR] = "ir", -}; - -/* relies on pairs of these shared then separate */ -static const char * const iio_chan_info_postfix[] = { - [IIO_CHAN_INFO_SCALE] = "scale", - [IIO_CHAN_INFO_OFFSET] = "offset", - [IIO_CHAN_INFO_CALIBSCALE] = "calibscale", - [IIO_CHAN_INFO_CALIBBIAS] = "calibbias", - [IIO_CHAN_INFO_PEAK] = "peak_raw", - [IIO_CHAN_INFO_PEAK_SCALE] = "peak_scale", - [IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW] = "quadrature_correction_raw", - [IIO_CHAN_INFO_AVERAGE_RAW] = "mean_raw", - [IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY] - = "filter_low_pass_3db_frequency", -}; - -const struct iio_chan_spec -*iio_find_channel_from_si(struct iio_dev *indio_dev, int si) -{ - int i; - - for (i = 0; i < indio_dev->num_channels; i++) - if (indio_dev->channels[i].scan_index == si) - return &indio_dev->channels[i]; - return NULL; -} - -/* This turns up an awful lot */ -ssize_t iio_read_const_attr(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%s\n", to_iio_const_attr(attr)->string); -} -EXPORT_SYMBOL(iio_read_const_attr); - -static int __init iio_init(void) -{ - int ret; - - /* Register sysfs bus */ - ret = bus_register(&iio_bus_type); - if (ret < 0) { - printk(KERN_ERR - "%s could not register bus type\n", - __FILE__); - goto error_nothing; - } - - ret = alloc_chrdev_region(&iio_devt, 0, IIO_DEV_MAX, "iio"); - if (ret < 0) { - printk(KERN_ERR "%s: failed to allocate char dev region\n", - __FILE__); - goto error_unregister_bus_type; - } - - iio_debugfs_dentry = debugfs_create_dir("iio", NULL); - - return 0; - -error_unregister_bus_type: - bus_unregister(&iio_bus_type); -error_nothing: - return ret; -} - -static void __exit iio_exit(void) -{ - if (iio_devt) - unregister_chrdev_region(iio_devt, IIO_DEV_MAX); - bus_unregister(&iio_bus_type); - debugfs_remove(iio_debugfs_dentry); -} - -#if defined(CONFIG_DEBUG_FS) -static int iio_debugfs_open(struct inode *inode, struct file *file) -{ - if (inode->i_private) - file->private_data = inode->i_private; - - return 0; -} - -static ssize_t iio_debugfs_read_reg(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct iio_dev *indio_dev = file->private_data; - char buf[20]; - unsigned val = 0; - ssize_t len; - int ret; - - ret = indio_dev->info->debugfs_reg_access(indio_dev, - indio_dev->cached_reg_addr, - 0, &val); - if (ret) - dev_err(indio_dev->dev.parent, "%s: read failed\n", __func__); - - len = snprintf(buf, sizeof(buf), "0x%X\n", val); - - return simple_read_from_buffer(userbuf, count, ppos, buf, len); -} - -static ssize_t iio_debugfs_write_reg(struct file *file, - const char __user *userbuf, size_t count, loff_t *ppos) -{ - struct iio_dev *indio_dev = file->private_data; - unsigned reg, val; - char buf[80]; - int ret; - - count = min_t(size_t, count, (sizeof(buf)-1)); - if (copy_from_user(buf, userbuf, count)) - return -EFAULT; - - buf[count] = 0; - - ret = sscanf(buf, "%i %i", ®, &val); - - switch (ret) { - case 1: - indio_dev->cached_reg_addr = reg; - break; - case 2: - indio_dev->cached_reg_addr = reg; - ret = indio_dev->info->debugfs_reg_access(indio_dev, reg, - val, NULL); - if (ret) { - dev_err(indio_dev->dev.parent, "%s: write failed\n", - __func__); - return ret; - } - break; - default: - return -EINVAL; - } - - return count; -} - -static const struct file_operations iio_debugfs_reg_fops = { - .open = iio_debugfs_open, - .read = iio_debugfs_read_reg, - .write = iio_debugfs_write_reg, -}; - -static void iio_device_unregister_debugfs(struct iio_dev *indio_dev) -{ - debugfs_remove_recursive(indio_dev->debugfs_dentry); -} - -static int iio_device_register_debugfs(struct iio_dev *indio_dev) -{ - struct dentry *d; - - if (indio_dev->info->debugfs_reg_access == NULL) - return 0; - - if (IS_ERR(iio_debugfs_dentry)) - return 0; - - indio_dev->debugfs_dentry = - debugfs_create_dir(dev_name(&indio_dev->dev), - iio_debugfs_dentry); - if (IS_ERR(indio_dev->debugfs_dentry)) - return PTR_ERR(indio_dev->debugfs_dentry); - - if (indio_dev->debugfs_dentry == NULL) { - dev_warn(indio_dev->dev.parent, - "Failed to create debugfs directory\n"); - return -EFAULT; - } - - d = debugfs_create_file("direct_reg_access", 0644, - indio_dev->debugfs_dentry, - indio_dev, &iio_debugfs_reg_fops); - if (!d) { - iio_device_unregister_debugfs(indio_dev); - return -ENOMEM; - } - - return 0; -} -#else -static int iio_device_register_debugfs(struct iio_dev *indio_dev) -{ - return 0; -} - -static void iio_device_unregister_debugfs(struct iio_dev *indio_dev) -{ -} -#endif /* CONFIG_DEBUG_FS */ - -static ssize_t iio_read_channel_ext_info(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - const struct iio_chan_spec_ext_info *ext_info; - - ext_info = &this_attr->c->ext_info[this_attr->address]; - - return ext_info->read(indio_dev, this_attr->c, buf); -} - -static ssize_t iio_write_channel_ext_info(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - const struct iio_chan_spec_ext_info *ext_info; - - ext_info = &this_attr->c->ext_info[this_attr->address]; - - return ext_info->write(indio_dev, this_attr->c, buf, len); -} - -static ssize_t iio_read_channel_info(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int val, val2; - int ret = indio_dev->info->read_raw(indio_dev, this_attr->c, - &val, &val2, this_attr->address); - - if (ret < 0) - return ret; - - if (ret == IIO_VAL_INT) - return sprintf(buf, "%d\n", val); - else if (ret == IIO_VAL_INT_PLUS_MICRO) { - if (val2 < 0) - return sprintf(buf, "-%d.%06u\n", val, -val2); - else - return sprintf(buf, "%d.%06u\n", val, val2); - } else if (ret == IIO_VAL_INT_PLUS_NANO) { - if (val2 < 0) - return sprintf(buf, "-%d.%09u\n", val, -val2); - else - return sprintf(buf, "%d.%09u\n", val, val2); - } else - return 0; -} - -static ssize_t iio_write_channel_info(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int ret, integer = 0, fract = 0, fract_mult = 100000; - bool integer_part = true, negative = false; - - /* Assumes decimal - precision based on number of digits */ - if (!indio_dev->info->write_raw) - return -EINVAL; - - if (indio_dev->info->write_raw_get_fmt) - switch (indio_dev->info->write_raw_get_fmt(indio_dev, - this_attr->c, this_attr->address)) { - case IIO_VAL_INT_PLUS_MICRO: - fract_mult = 100000; - break; - case IIO_VAL_INT_PLUS_NANO: - fract_mult = 100000000; - break; - default: - return -EINVAL; - } - - if (buf[0] == '-') { - negative = true; - buf++; - } - - while (*buf) { - if ('0' <= *buf && *buf <= '9') { - if (integer_part) - integer = integer*10 + *buf - '0'; - else { - fract += fract_mult*(*buf - '0'); - if (fract_mult == 1) - break; - fract_mult /= 10; - } - } else if (*buf == '\n') { - if (*(buf + 1) == '\0') - break; - else - return -EINVAL; - } else if (*buf == '.') { - integer_part = false; - } else { - return -EINVAL; - } - buf++; - } - if (negative) { - if (integer) - integer = -integer; - else - fract = -fract; - } - - ret = indio_dev->info->write_raw(indio_dev, this_attr->c, - integer, fract, this_attr->address); - if (ret) - return ret; - - return len; -} - -static -int __iio_device_attr_init(struct device_attribute *dev_attr, - const char *postfix, - struct iio_chan_spec const *chan, - ssize_t (*readfunc)(struct device *dev, - struct device_attribute *attr, - char *buf), - ssize_t (*writefunc)(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len), - bool generic) -{ - int ret; - char *name_format, *full_postfix; - sysfs_attr_init(&dev_attr->attr); - - /* Build up postfix of <extend_name>_<modifier>_postfix */ - if (chan->modified && !generic) { - if (chan->extend_name) - full_postfix = kasprintf(GFP_KERNEL, "%s_%s_%s", - iio_modifier_names[chan - ->channel2], - chan->extend_name, - postfix); - else - full_postfix = kasprintf(GFP_KERNEL, "%s_%s", - iio_modifier_names[chan - ->channel2], - postfix); - } else { - if (chan->extend_name == NULL) - full_postfix = kstrdup(postfix, GFP_KERNEL); - else - full_postfix = kasprintf(GFP_KERNEL, - "%s_%s", - chan->extend_name, - postfix); - } - if (full_postfix == NULL) { - ret = -ENOMEM; - goto error_ret; - } - - if (chan->differential) { /* Differential can not have modifier */ - if (generic) - name_format - = kasprintf(GFP_KERNEL, "%s_%s-%s_%s", - iio_direction[chan->output], - iio_chan_type_name_spec[chan->type], - iio_chan_type_name_spec[chan->type], - full_postfix); - else if (chan->indexed) - name_format - = kasprintf(GFP_KERNEL, "%s_%s%d-%s%d_%s", - iio_direction[chan->output], - iio_chan_type_name_spec[chan->type], - chan->channel, - iio_chan_type_name_spec[chan->type], - chan->channel2, - full_postfix); - else { - WARN_ON("Differential channels must be indexed\n"); - ret = -EINVAL; - goto error_free_full_postfix; - } - } else { /* Single ended */ - if (generic) - name_format - = kasprintf(GFP_KERNEL, "%s_%s_%s", - iio_direction[chan->output], - iio_chan_type_name_spec[chan->type], - full_postfix); - else if (chan->indexed) - name_format - = kasprintf(GFP_KERNEL, "%s_%s%d_%s", - iio_direction[chan->output], - iio_chan_type_name_spec[chan->type], - chan->channel, - full_postfix); - else - name_format - = kasprintf(GFP_KERNEL, "%s_%s_%s", - iio_direction[chan->output], - iio_chan_type_name_spec[chan->type], - full_postfix); - } - if (name_format == NULL) { - ret = -ENOMEM; - goto error_free_full_postfix; - } - dev_attr->attr.name = kasprintf(GFP_KERNEL, - name_format, - chan->channel, - chan->channel2); - if (dev_attr->attr.name == NULL) { - ret = -ENOMEM; - goto error_free_name_format; - } - - if (readfunc) { - dev_attr->attr.mode |= S_IRUGO; - dev_attr->show = readfunc; - } - - if (writefunc) { - dev_attr->attr.mode |= S_IWUSR; - dev_attr->store = writefunc; - } - kfree(name_format); - kfree(full_postfix); - - return 0; - -error_free_name_format: - kfree(name_format); -error_free_full_postfix: - kfree(full_postfix); -error_ret: - return ret; -} - -static void __iio_device_attr_deinit(struct device_attribute *dev_attr) -{ - kfree(dev_attr->attr.name); -} - -int __iio_add_chan_devattr(const char *postfix, - struct iio_chan_spec const *chan, - ssize_t (*readfunc)(struct device *dev, - struct device_attribute *attr, - char *buf), - ssize_t (*writefunc)(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len), - u64 mask, - bool generic, - struct device *dev, - struct list_head *attr_list) -{ - int ret; - struct iio_dev_attr *iio_attr, *t; - - iio_attr = kzalloc(sizeof *iio_attr, GFP_KERNEL); - if (iio_attr == NULL) { - ret = -ENOMEM; - goto error_ret; - } - ret = __iio_device_attr_init(&iio_attr->dev_attr, - postfix, chan, - readfunc, writefunc, generic); - if (ret) - goto error_iio_dev_attr_free; - iio_attr->c = chan; - iio_attr->address = mask; - list_for_each_entry(t, attr_list, l) - if (strcmp(t->dev_attr.attr.name, - iio_attr->dev_attr.attr.name) == 0) { - if (!generic) - dev_err(dev, "tried to double register : %s\n", - t->dev_attr.attr.name); - ret = -EBUSY; - goto error_device_attr_deinit; - } - list_add(&iio_attr->l, attr_list); - - return 0; - -error_device_attr_deinit: - __iio_device_attr_deinit(&iio_attr->dev_attr); -error_iio_dev_attr_free: - kfree(iio_attr); -error_ret: - return ret; -} - -static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan) -{ - int ret, i, attrcount = 0; - const struct iio_chan_spec_ext_info *ext_info; - - if (chan->channel < 0) - return 0; - - ret = __iio_add_chan_devattr(iio_data_type_name[chan->processed_val], - chan, - &iio_read_channel_info, - (chan->output ? - &iio_write_channel_info : NULL), - 0, - 0, - &indio_dev->dev, - &indio_dev->channel_attr_list); - if (ret) - goto error_ret; - attrcount++; - - for_each_set_bit(i, &chan->info_mask, sizeof(long)*8) { - ret = __iio_add_chan_devattr(iio_chan_info_postfix[i/2], - chan, - &iio_read_channel_info, - &iio_write_channel_info, - i/2, - !(i%2), - &indio_dev->dev, - &indio_dev->channel_attr_list); - if (ret == -EBUSY && (i%2 == 0)) { - ret = 0; - continue; - } - if (ret < 0) - goto error_ret; - attrcount++; - } - - if (chan->ext_info) { - unsigned int i = 0; - for (ext_info = chan->ext_info; ext_info->name; ext_info++) { - ret = __iio_add_chan_devattr(ext_info->name, - chan, - ext_info->read ? - &iio_read_channel_ext_info : NULL, - ext_info->write ? - &iio_write_channel_ext_info : NULL, - i, - ext_info->shared, - &indio_dev->dev, - &indio_dev->channel_attr_list); - i++; - if (ret == -EBUSY && ext_info->shared) - continue; - - if (ret) - goto error_ret; - - attrcount++; - } - } - - ret = attrcount; -error_ret: - return ret; -} - -static void iio_device_remove_and_free_read_attr(struct iio_dev *indio_dev, - struct iio_dev_attr *p) -{ - kfree(p->dev_attr.attr.name); - kfree(p); -} - -static ssize_t iio_show_dev_name(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - return sprintf(buf, "%s\n", indio_dev->name); -} - -static DEVICE_ATTR(name, S_IRUGO, iio_show_dev_name, NULL); - -static int iio_device_register_sysfs(struct iio_dev *indio_dev) -{ - int i, ret = 0, attrcount, attrn, attrcount_orig = 0; - struct iio_dev_attr *p, *n; - struct attribute **attr; - - /* First count elements in any existing group */ - if (indio_dev->info->attrs) { - attr = indio_dev->info->attrs->attrs; - while (*attr++ != NULL) - attrcount_orig++; - } - attrcount = attrcount_orig; - /* - * New channel registration method - relies on the fact a group does - * not need to be initialized if it is name is NULL. - */ - INIT_LIST_HEAD(&indio_dev->channel_attr_list); - if (indio_dev->channels) - for (i = 0; i < indio_dev->num_channels; i++) { - ret = iio_device_add_channel_sysfs(indio_dev, - &indio_dev - ->channels[i]); - if (ret < 0) - goto error_clear_attrs; - attrcount += ret; - } - - if (indio_dev->name) - attrcount++; - - indio_dev->chan_attr_group.attrs = kcalloc(attrcount + 1, - sizeof(indio_dev->chan_attr_group.attrs[0]), - GFP_KERNEL); - if (indio_dev->chan_attr_group.attrs == NULL) { - ret = -ENOMEM; - goto error_clear_attrs; - } - /* Copy across original attributes */ - if (indio_dev->info->attrs) - memcpy(indio_dev->chan_attr_group.attrs, - indio_dev->info->attrs->attrs, - sizeof(indio_dev->chan_attr_group.attrs[0]) - *attrcount_orig); - attrn = attrcount_orig; - /* Add all elements from the list. */ - list_for_each_entry(p, &indio_dev->channel_attr_list, l) - indio_dev->chan_attr_group.attrs[attrn++] = &p->dev_attr.attr; - if (indio_dev->name) - indio_dev->chan_attr_group.attrs[attrn++] = &dev_attr_name.attr; - - indio_dev->groups[indio_dev->groupcounter++] = - &indio_dev->chan_attr_group; - - return 0; - -error_clear_attrs: - list_for_each_entry_safe(p, n, - &indio_dev->channel_attr_list, l) { - list_del(&p->l); - iio_device_remove_and_free_read_attr(indio_dev, p); - } - - return ret; -} - -static void iio_device_unregister_sysfs(struct iio_dev *indio_dev) -{ - - struct iio_dev_attr *p, *n; - - list_for_each_entry_safe(p, n, &indio_dev->channel_attr_list, l) { - list_del(&p->l); - iio_device_remove_and_free_read_attr(indio_dev, p); - } - kfree(indio_dev->chan_attr_group.attrs); -} - -static void iio_dev_release(struct device *device) -{ - struct iio_dev *indio_dev = container_of(device, struct iio_dev, dev); - cdev_del(&indio_dev->chrdev); - if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) - iio_device_unregister_trigger_consumer(indio_dev); - iio_device_unregister_eventset(indio_dev); - iio_device_unregister_sysfs(indio_dev); - iio_device_unregister_debugfs(indio_dev); -} - -static struct device_type iio_dev_type = { - .name = "iio_device", - .release = iio_dev_release, -}; - -struct iio_dev *iio_allocate_device(int sizeof_priv) -{ - struct iio_dev *dev; - size_t alloc_size; - - alloc_size = sizeof(struct iio_dev); - if (sizeof_priv) { - alloc_size = ALIGN(alloc_size, IIO_ALIGN); - alloc_size += sizeof_priv; - } - /* ensure 32-byte alignment of whole construct ? */ - alloc_size += IIO_ALIGN - 1; - - dev = kzalloc(alloc_size, GFP_KERNEL); - - if (dev) { - dev->dev.groups = dev->groups; - dev->dev.type = &iio_dev_type; - dev->dev.bus = &iio_bus_type; - device_initialize(&dev->dev); - dev_set_drvdata(&dev->dev, (void *)dev); - mutex_init(&dev->mlock); - mutex_init(&dev->info_exist_lock); - - dev->id = ida_simple_get(&iio_ida, 0, 0, GFP_KERNEL); - if (dev->id < 0) { - /* cannot use a dev_err as the name isn't available */ - printk(KERN_ERR "Failed to get id\n"); - kfree(dev); - return NULL; - } - dev_set_name(&dev->dev, "iio:device%d", dev->id); - } - - return dev; -} -EXPORT_SYMBOL(iio_allocate_device); - -void iio_free_device(struct iio_dev *dev) -{ - if (dev) { - ida_simple_remove(&iio_ida, dev->id); - kfree(dev); - } -} -EXPORT_SYMBOL(iio_free_device); - -/** - * iio_chrdev_open() - chrdev file open for buffer access and ioctls - **/ -static int iio_chrdev_open(struct inode *inode, struct file *filp) -{ - struct iio_dev *indio_dev = container_of(inode->i_cdev, - struct iio_dev, chrdev); - - if (test_and_set_bit(IIO_BUSY_BIT_POS, &indio_dev->flags)) - return -EBUSY; - - filp->private_data = indio_dev; - - return 0; -} - -/** - * iio_chrdev_release() - chrdev file close buffer access and ioctls - **/ -static int iio_chrdev_release(struct inode *inode, struct file *filp) -{ - struct iio_dev *indio_dev = container_of(inode->i_cdev, - struct iio_dev, chrdev); - clear_bit(IIO_BUSY_BIT_POS, &indio_dev->flags); - return 0; -} - -/* Somewhat of a cross file organization violation - ioctls here are actually - * event related */ -static long iio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - struct iio_dev *indio_dev = filp->private_data; - int __user *ip = (int __user *)arg; - int fd; - - if (cmd == IIO_GET_EVENT_FD_IOCTL) { - fd = iio_event_getfd(indio_dev); - if (copy_to_user(ip, &fd, sizeof(fd))) - return -EFAULT; - return 0; - } - return -EINVAL; -} - -static const struct file_operations iio_buffer_fileops = { - .read = iio_buffer_read_first_n_outer_addr, - .release = iio_chrdev_release, - .open = iio_chrdev_open, - .poll = iio_buffer_poll_addr, - .owner = THIS_MODULE, - .llseek = noop_llseek, - .unlocked_ioctl = iio_ioctl, - .compat_ioctl = iio_ioctl, -}; - -static const struct iio_buffer_setup_ops noop_ring_setup_ops; - -int iio_device_register(struct iio_dev *indio_dev) -{ - int ret; - - /* configure elements for the chrdev */ - indio_dev->dev.devt = MKDEV(MAJOR(iio_devt), indio_dev->id); - - ret = iio_device_register_debugfs(indio_dev); - if (ret) { - dev_err(indio_dev->dev.parent, - "Failed to register debugfs interfaces\n"); - goto error_ret; - } - ret = iio_device_register_sysfs(indio_dev); - if (ret) { - dev_err(indio_dev->dev.parent, - "Failed to register sysfs interfaces\n"); - goto error_unreg_debugfs; - } - ret = iio_device_register_eventset(indio_dev); - if (ret) { - dev_err(indio_dev->dev.parent, - "Failed to register event set\n"); - goto error_free_sysfs; - } - if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) - iio_device_register_trigger_consumer(indio_dev); - - if ((indio_dev->modes & INDIO_ALL_BUFFER_MODES) && - indio_dev->setup_ops == NULL) - indio_dev->setup_ops = &noop_ring_setup_ops; - - ret = device_add(&indio_dev->dev); - if (ret < 0) - goto error_unreg_eventset; - cdev_init(&indio_dev->chrdev, &iio_buffer_fileops); - indio_dev->chrdev.owner = indio_dev->info->driver_module; - ret = cdev_add(&indio_dev->chrdev, indio_dev->dev.devt, 1); - if (ret < 0) - goto error_del_device; - return 0; - -error_del_device: - device_del(&indio_dev->dev); -error_unreg_eventset: - iio_device_unregister_eventset(indio_dev); -error_free_sysfs: - iio_device_unregister_sysfs(indio_dev); -error_unreg_debugfs: - iio_device_unregister_debugfs(indio_dev); -error_ret: - return ret; -} -EXPORT_SYMBOL(iio_device_register); - -void iio_device_unregister(struct iio_dev *indio_dev) -{ - mutex_lock(&indio_dev->info_exist_lock); - indio_dev->info = NULL; - mutex_unlock(&indio_dev->info_exist_lock); - device_unregister(&indio_dev->dev); -} -EXPORT_SYMBOL(iio_device_unregister); -subsys_initcall(iio_init); -module_exit(iio_exit); - -MODULE_AUTHOR("Jonathan Cameron <jic23@cam.ac.uk>"); -MODULE_DESCRIPTION("Industrial I/O core"); -MODULE_LICENSE("GPL"); diff --git a/drivers/staging/iio/industrialio-event.c b/drivers/staging/iio/industrialio-event.c deleted file mode 100644 index 5fdf739e38f9..000000000000 --- a/drivers/staging/iio/industrialio-event.c +++ /dev/null @@ -1,453 +0,0 @@ -/* Industrial I/O event handling - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * Based on elements of hwmon and input subsystems. - */ - -#include <linux/anon_inodes.h> -#include <linux/device.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/kfifo.h> -#include <linux/module.h> -#include <linux/poll.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#include <linux/wait.h> -#include "iio.h" -#include "iio_core.h" -#include "sysfs.h" -#include "events.h" - -/** - * struct iio_event_interface - chrdev interface for an event line - * @wait: wait queue to allow blocking reads of events - * @det_events: list of detected events - * @dev_attr_list: list of event interface sysfs attribute - * @flags: file operations related flags including busy flag. - * @group: event interface sysfs attribute group - */ -struct iio_event_interface { - wait_queue_head_t wait; - DECLARE_KFIFO(det_events, struct iio_event_data, 16); - - struct list_head dev_attr_list; - unsigned long flags; - struct attribute_group group; -}; - -int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp) -{ - struct iio_event_interface *ev_int = indio_dev->event_interface; - struct iio_event_data ev; - int copied; - - /* Does anyone care? */ - spin_lock(&ev_int->wait.lock); - if (test_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) { - - ev.id = ev_code; - ev.timestamp = timestamp; - - copied = kfifo_put(&ev_int->det_events, &ev); - if (copied != 0) - wake_up_locked_poll(&ev_int->wait, POLLIN); - } - spin_unlock(&ev_int->wait.lock); - - return 0; -} -EXPORT_SYMBOL(iio_push_event); - -/** - * iio_event_poll() - poll the event queue to find out if it has data - */ -static unsigned int iio_event_poll(struct file *filep, - struct poll_table_struct *wait) -{ - struct iio_event_interface *ev_int = filep->private_data; - unsigned int events = 0; - - poll_wait(filep, &ev_int->wait, wait); - - spin_lock(&ev_int->wait.lock); - if (!kfifo_is_empty(&ev_int->det_events)) - events = POLLIN | POLLRDNORM; - spin_unlock(&ev_int->wait.lock); - - return events; -} - -static ssize_t iio_event_chrdev_read(struct file *filep, - char __user *buf, - size_t count, - loff_t *f_ps) -{ - struct iio_event_interface *ev_int = filep->private_data; - unsigned int copied; - int ret; - - if (count < sizeof(struct iio_event_data)) - return -EINVAL; - - spin_lock(&ev_int->wait.lock); - if (kfifo_is_empty(&ev_int->det_events)) { - if (filep->f_flags & O_NONBLOCK) { - ret = -EAGAIN; - goto error_unlock; - } - /* Blocking on device; waiting for something to be there */ - ret = wait_event_interruptible_locked(ev_int->wait, - !kfifo_is_empty(&ev_int->det_events)); - if (ret) - goto error_unlock; - /* Single access device so no one else can get the data */ - } - - ret = kfifo_to_user(&ev_int->det_events, buf, count, &copied); - -error_unlock: - spin_unlock(&ev_int->wait.lock); - - return ret ? ret : copied; -} - -static int iio_event_chrdev_release(struct inode *inode, struct file *filep) -{ - struct iio_event_interface *ev_int = filep->private_data; - - spin_lock(&ev_int->wait.lock); - __clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); - /* - * In order to maintain a clean state for reopening, - * clear out any awaiting events. The mask will prevent - * any new __iio_push_event calls running. - */ - kfifo_reset_out(&ev_int->det_events); - spin_unlock(&ev_int->wait.lock); - - return 0; -} - -static const struct file_operations iio_event_chrdev_fileops = { - .read = iio_event_chrdev_read, - .poll = iio_event_poll, - .release = iio_event_chrdev_release, - .owner = THIS_MODULE, - .llseek = noop_llseek, -}; - -int iio_event_getfd(struct iio_dev *indio_dev) -{ - struct iio_event_interface *ev_int = indio_dev->event_interface; - int fd; - - if (ev_int == NULL) - return -ENODEV; - - spin_lock(&ev_int->wait.lock); - if (__test_and_set_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) { - spin_unlock(&ev_int->wait.lock); - return -EBUSY; - } - spin_unlock(&ev_int->wait.lock); - fd = anon_inode_getfd("iio:event", - &iio_event_chrdev_fileops, ev_int, O_RDONLY); - if (fd < 0) { - spin_lock(&ev_int->wait.lock); - __clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); - spin_unlock(&ev_int->wait.lock); - } - return fd; -} - -static const char * const iio_ev_type_text[] = { - [IIO_EV_TYPE_THRESH] = "thresh", - [IIO_EV_TYPE_MAG] = "mag", - [IIO_EV_TYPE_ROC] = "roc", - [IIO_EV_TYPE_THRESH_ADAPTIVE] = "thresh_adaptive", - [IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive", -}; - -static const char * const iio_ev_dir_text[] = { - [IIO_EV_DIR_EITHER] = "either", - [IIO_EV_DIR_RISING] = "rising", - [IIO_EV_DIR_FALLING] = "falling" -}; - -static ssize_t iio_ev_state_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int ret; - bool val; - - ret = strtobool(buf, &val); - if (ret < 0) - return ret; - - ret = indio_dev->info->write_event_config(indio_dev, - this_attr->address, - val); - return (ret < 0) ? ret : len; -} - -static ssize_t iio_ev_state_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int val = indio_dev->info->read_event_config(indio_dev, - this_attr->address); - - if (val < 0) - return val; - else - return sprintf(buf, "%d\n", val); -} - -static ssize_t iio_ev_value_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int val, ret; - - ret = indio_dev->info->read_event_value(indio_dev, - this_attr->address, &val); - if (ret < 0) - return ret; - - return sprintf(buf, "%d\n", val); -} - -static ssize_t iio_ev_value_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - unsigned long val; - int ret; - - if (!indio_dev->info->write_event_value) - return -EINVAL; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return ret; - - ret = indio_dev->info->write_event_value(indio_dev, this_attr->address, - val); - if (ret < 0) - return ret; - - return len; -} - -static int iio_device_add_event_sysfs(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan) -{ - int ret = 0, i, attrcount = 0; - u64 mask = 0; - char *postfix; - if (!chan->event_mask) - return 0; - - for_each_set_bit(i, &chan->event_mask, sizeof(chan->event_mask)*8) { - postfix = kasprintf(GFP_KERNEL, "%s_%s_en", - iio_ev_type_text[i/IIO_EV_DIR_MAX], - iio_ev_dir_text[i%IIO_EV_DIR_MAX]); - if (postfix == NULL) { - ret = -ENOMEM; - goto error_ret; - } - if (chan->modified) - mask = IIO_MOD_EVENT_CODE(chan->type, 0, chan->channel, - i/IIO_EV_DIR_MAX, - i%IIO_EV_DIR_MAX); - else if (chan->differential) - mask = IIO_EVENT_CODE(chan->type, - 0, 0, - i%IIO_EV_DIR_MAX, - i/IIO_EV_DIR_MAX, - 0, - chan->channel, - chan->channel2); - else - mask = IIO_UNMOD_EVENT_CODE(chan->type, - chan->channel, - i/IIO_EV_DIR_MAX, - i%IIO_EV_DIR_MAX); - - ret = __iio_add_chan_devattr(postfix, - chan, - &iio_ev_state_show, - iio_ev_state_store, - mask, - 0, - &indio_dev->dev, - &indio_dev->event_interface-> - dev_attr_list); - kfree(postfix); - if (ret) - goto error_ret; - attrcount++; - postfix = kasprintf(GFP_KERNEL, "%s_%s_value", - iio_ev_type_text[i/IIO_EV_DIR_MAX], - iio_ev_dir_text[i%IIO_EV_DIR_MAX]); - if (postfix == NULL) { - ret = -ENOMEM; - goto error_ret; - } - ret = __iio_add_chan_devattr(postfix, chan, - iio_ev_value_show, - iio_ev_value_store, - mask, - 0, - &indio_dev->dev, - &indio_dev->event_interface-> - dev_attr_list); - kfree(postfix); - if (ret) - goto error_ret; - attrcount++; - } - ret = attrcount; -error_ret: - return ret; -} - -static inline void __iio_remove_event_config_attrs(struct iio_dev *indio_dev) -{ - struct iio_dev_attr *p, *n; - list_for_each_entry_safe(p, n, - &indio_dev->event_interface-> - dev_attr_list, l) { - kfree(p->dev_attr.attr.name); - kfree(p); - } -} - -static inline int __iio_add_event_config_attrs(struct iio_dev *indio_dev) -{ - int j, ret, attrcount = 0; - - INIT_LIST_HEAD(&indio_dev->event_interface->dev_attr_list); - /* Dynically created from the channels array */ - for (j = 0; j < indio_dev->num_channels; j++) { - ret = iio_device_add_event_sysfs(indio_dev, - &indio_dev->channels[j]); - if (ret < 0) - goto error_clear_attrs; - attrcount += ret; - } - return attrcount; - -error_clear_attrs: - __iio_remove_event_config_attrs(indio_dev); - - return ret; -} - -static bool iio_check_for_dynamic_events(struct iio_dev *indio_dev) -{ - int j; - - for (j = 0; j < indio_dev->num_channels; j++) - if (indio_dev->channels[j].event_mask != 0) - return true; - return false; -} - -static void iio_setup_ev_int(struct iio_event_interface *ev_int) -{ - INIT_KFIFO(ev_int->det_events); - init_waitqueue_head(&ev_int->wait); -} - -static const char *iio_event_group_name = "events"; -int iio_device_register_eventset(struct iio_dev *indio_dev) -{ - struct iio_dev_attr *p; - int ret = 0, attrcount_orig = 0, attrcount, attrn; - struct attribute **attr; - - if (!(indio_dev->info->event_attrs || - iio_check_for_dynamic_events(indio_dev))) - return 0; - - indio_dev->event_interface = - kzalloc(sizeof(struct iio_event_interface), GFP_KERNEL); - if (indio_dev->event_interface == NULL) { - ret = -ENOMEM; - goto error_ret; - } - - iio_setup_ev_int(indio_dev->event_interface); - if (indio_dev->info->event_attrs != NULL) { - attr = indio_dev->info->event_attrs->attrs; - while (*attr++ != NULL) - attrcount_orig++; - } - attrcount = attrcount_orig; - if (indio_dev->channels) { - ret = __iio_add_event_config_attrs(indio_dev); - if (ret < 0) - goto error_free_setup_event_lines; - attrcount += ret; - } - - indio_dev->event_interface->group.name = iio_event_group_name; - indio_dev->event_interface->group.attrs = kcalloc(attrcount + 1, - sizeof(indio_dev->event_interface->group.attrs[0]), - GFP_KERNEL); - if (indio_dev->event_interface->group.attrs == NULL) { - ret = -ENOMEM; - goto error_free_setup_event_lines; - } - if (indio_dev->info->event_attrs) - memcpy(indio_dev->event_interface->group.attrs, - indio_dev->info->event_attrs->attrs, - sizeof(indio_dev->event_interface->group.attrs[0]) - *attrcount_orig); - attrn = attrcount_orig; - /* Add all elements from the list. */ - list_for_each_entry(p, - &indio_dev->event_interface->dev_attr_list, - l) - indio_dev->event_interface->group.attrs[attrn++] = - &p->dev_attr.attr; - indio_dev->groups[indio_dev->groupcounter++] = - &indio_dev->event_interface->group; - - return 0; - -error_free_setup_event_lines: - __iio_remove_event_config_attrs(indio_dev); - kfree(indio_dev->event_interface); -error_ret: - - return ret; -} - -void iio_device_unregister_eventset(struct iio_dev *indio_dev) -{ - if (indio_dev->event_interface == NULL) - return; - __iio_remove_event_config_attrs(indio_dev); - kfree(indio_dev->event_interface->group.attrs); - kfree(indio_dev->event_interface); -} diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c deleted file mode 100644 index 47ecadd4818d..000000000000 --- a/drivers/staging/iio/industrialio-trigger.c +++ /dev/null @@ -1,509 +0,0 @@ -/* The industrial I/O core, trigger handling functions - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/idr.h> -#include <linux/err.h> -#include <linux/device.h> -#include <linux/interrupt.h> -#include <linux/list.h> -#include <linux/slab.h> - -#include "iio.h" -#include "trigger.h" -#include "iio_core.h" -#include "iio_core_trigger.h" -#include "trigger_consumer.h" - -/* RFC - Question of approach - * Make the common case (single sensor single trigger) - * simple by starting trigger capture from when first sensors - * is added. - * - * Complex simultaneous start requires use of 'hold' functionality - * of the trigger. (not implemented) - * - * Any other suggestions? - */ - -static DEFINE_IDA(iio_trigger_ida); - -/* Single list of all available triggers */ -static LIST_HEAD(iio_trigger_list); -static DEFINE_MUTEX(iio_trigger_list_lock); - -/** - * iio_trigger_read_name() - retrieve useful identifying name - **/ -static ssize_t iio_trigger_read_name(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_trigger *trig = dev_get_drvdata(dev); - return sprintf(buf, "%s\n", trig->name); -} - -static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL); - -/** - * iio_trigger_register_sysfs() - create a device for this trigger - * @trig_info: the trigger - * - * Also adds any control attribute registered by the trigger driver - **/ -static int iio_trigger_register_sysfs(struct iio_trigger *trig_info) -{ - return sysfs_add_file_to_group(&trig_info->dev.kobj, - &dev_attr_name.attr, - NULL); -} - -static void iio_trigger_unregister_sysfs(struct iio_trigger *trig_info) -{ - sysfs_remove_file_from_group(&trig_info->dev.kobj, - &dev_attr_name.attr, - NULL); -} - -int iio_trigger_register(struct iio_trigger *trig_info) -{ - int ret; - - trig_info->id = ida_simple_get(&iio_trigger_ida, 0, 0, GFP_KERNEL); - if (trig_info->id < 0) { - ret = trig_info->id; - goto error_ret; - } - /* Set the name used for the sysfs directory etc */ - dev_set_name(&trig_info->dev, "trigger%ld", - (unsigned long) trig_info->id); - - ret = device_add(&trig_info->dev); - if (ret) - goto error_unregister_id; - - ret = iio_trigger_register_sysfs(trig_info); - if (ret) - goto error_device_del; - - /* Add to list of available triggers held by the IIO core */ - mutex_lock(&iio_trigger_list_lock); - list_add_tail(&trig_info->list, &iio_trigger_list); - mutex_unlock(&iio_trigger_list_lock); - - return 0; - -error_device_del: - device_del(&trig_info->dev); -error_unregister_id: - ida_simple_remove(&iio_trigger_ida, trig_info->id); -error_ret: - return ret; -} -EXPORT_SYMBOL(iio_trigger_register); - -void iio_trigger_unregister(struct iio_trigger *trig_info) -{ - mutex_lock(&iio_trigger_list_lock); - list_del(&trig_info->list); - mutex_unlock(&iio_trigger_list_lock); - - iio_trigger_unregister_sysfs(trig_info); - ida_simple_remove(&iio_trigger_ida, trig_info->id); - /* Possible issue in here */ - device_unregister(&trig_info->dev); -} -EXPORT_SYMBOL(iio_trigger_unregister); - -static struct iio_trigger *iio_trigger_find_by_name(const char *name, - size_t len) -{ - struct iio_trigger *trig = NULL, *iter; - - mutex_lock(&iio_trigger_list_lock); - list_for_each_entry(iter, &iio_trigger_list, list) - if (sysfs_streq(iter->name, name)) { - trig = iter; - break; - } - mutex_unlock(&iio_trigger_list_lock); - - return trig; -} - -void iio_trigger_poll(struct iio_trigger *trig, s64 time) -{ - int i; - if (!trig->use_count) - for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) - if (trig->subirqs[i].enabled) { - trig->use_count++; - generic_handle_irq(trig->subirq_base + i); - } -} -EXPORT_SYMBOL(iio_trigger_poll); - -irqreturn_t iio_trigger_generic_data_rdy_poll(int irq, void *private) -{ - iio_trigger_poll(private, iio_get_time_ns()); - return IRQ_HANDLED; -} -EXPORT_SYMBOL(iio_trigger_generic_data_rdy_poll); - -void iio_trigger_poll_chained(struct iio_trigger *trig, s64 time) -{ - int i; - if (!trig->use_count) - for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) - if (trig->subirqs[i].enabled) { - trig->use_count++; - handle_nested_irq(trig->subirq_base + i); - } -} -EXPORT_SYMBOL(iio_trigger_poll_chained); - -void iio_trigger_notify_done(struct iio_trigger *trig) -{ - trig->use_count--; - if (trig->use_count == 0 && trig->ops && trig->ops->try_reenable) - if (trig->ops->try_reenable(trig)) - /* Missed and interrupt so launch new poll now */ - iio_trigger_poll(trig, 0); -} -EXPORT_SYMBOL(iio_trigger_notify_done); - -/* Trigger Consumer related functions */ -static int iio_trigger_get_irq(struct iio_trigger *trig) -{ - int ret; - mutex_lock(&trig->pool_lock); - ret = bitmap_find_free_region(trig->pool, - CONFIG_IIO_CONSUMERS_PER_TRIGGER, - ilog2(1)); - mutex_unlock(&trig->pool_lock); - if (ret >= 0) - ret += trig->subirq_base; - - return ret; -} - -static void iio_trigger_put_irq(struct iio_trigger *trig, int irq) -{ - mutex_lock(&trig->pool_lock); - clear_bit(irq - trig->subirq_base, trig->pool); - mutex_unlock(&trig->pool_lock); -} - -/* Complexity in here. With certain triggers (datardy) an acknowledgement - * may be needed if the pollfuncs do not include the data read for the - * triggering device. - * This is not currently handled. Alternative of not enabling trigger unless - * the relevant function is in there may be the best option. - */ -/* Worth protecting against double additions?*/ -static int iio_trigger_attach_poll_func(struct iio_trigger *trig, - struct iio_poll_func *pf) -{ - int ret = 0; - bool notinuse - = bitmap_empty(trig->pool, CONFIG_IIO_CONSUMERS_PER_TRIGGER); - - /* Prevent the module being removed whilst attached to a trigger */ - __module_get(pf->indio_dev->info->driver_module); - pf->irq = iio_trigger_get_irq(trig); - ret = request_threaded_irq(pf->irq, pf->h, pf->thread, - pf->type, pf->name, - pf); - if (ret < 0) { - module_put(pf->indio_dev->info->driver_module); - return ret; - } - - if (trig->ops && trig->ops->set_trigger_state && notinuse) { - ret = trig->ops->set_trigger_state(trig, true); - if (ret < 0) - module_put(pf->indio_dev->info->driver_module); - } - - return ret; -} - -static int iio_trigger_dettach_poll_func(struct iio_trigger *trig, - struct iio_poll_func *pf) -{ - int ret = 0; - bool no_other_users - = (bitmap_weight(trig->pool, - CONFIG_IIO_CONSUMERS_PER_TRIGGER) - == 1); - if (trig->ops && trig->ops->set_trigger_state && no_other_users) { - ret = trig->ops->set_trigger_state(trig, false); - if (ret) - goto error_ret; - } - iio_trigger_put_irq(trig, pf->irq); - free_irq(pf->irq, pf); - module_put(pf->indio_dev->info->driver_module); - -error_ret: - return ret; -} - -irqreturn_t iio_pollfunc_store_time(int irq, void *p) -{ - struct iio_poll_func *pf = p; - pf->timestamp = iio_get_time_ns(); - return IRQ_WAKE_THREAD; -} -EXPORT_SYMBOL(iio_pollfunc_store_time); - -struct iio_poll_func -*iio_alloc_pollfunc(irqreturn_t (*h)(int irq, void *p), - irqreturn_t (*thread)(int irq, void *p), - int type, - struct iio_dev *indio_dev, - const char *fmt, - ...) -{ - va_list vargs; - struct iio_poll_func *pf; - - pf = kmalloc(sizeof *pf, GFP_KERNEL); - if (pf == NULL) - return NULL; - va_start(vargs, fmt); - pf->name = kvasprintf(GFP_KERNEL, fmt, vargs); - va_end(vargs); - if (pf->name == NULL) { - kfree(pf); - return NULL; - } - pf->h = h; - pf->thread = thread; - pf->type = type; - pf->indio_dev = indio_dev; - - return pf; -} -EXPORT_SYMBOL_GPL(iio_alloc_pollfunc); - -void iio_dealloc_pollfunc(struct iio_poll_func *pf) -{ - kfree(pf->name); - kfree(pf); -} -EXPORT_SYMBOL_GPL(iio_dealloc_pollfunc); - -/** - * iio_trigger_read_current() - trigger consumer sysfs query which trigger - * - * For trigger consumers the current_trigger interface allows the trigger - * used by the device to be queried. - **/ -static ssize_t iio_trigger_read_current(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - - if (indio_dev->trig) - return sprintf(buf, "%s\n", indio_dev->trig->name); - return 0; -} - -/** - * iio_trigger_write_current() trigger consumer sysfs set current trigger - * - * For trigger consumers the current_trigger interface allows the trigger - * used for this device to be specified at run time based on the triggers - * name. - **/ -static ssize_t iio_trigger_write_current(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_trigger *oldtrig = indio_dev->trig; - struct iio_trigger *trig; - int ret; - - mutex_lock(&indio_dev->mlock); - if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { - mutex_unlock(&indio_dev->mlock); - return -EBUSY; - } - mutex_unlock(&indio_dev->mlock); - - trig = iio_trigger_find_by_name(buf, len); - if (oldtrig == trig) - return len; - - if (trig && indio_dev->info->validate_trigger) { - ret = indio_dev->info->validate_trigger(indio_dev, trig); - if (ret) - return ret; - } - - if (trig && trig->ops && trig->ops->validate_device) { - ret = trig->ops->validate_device(trig, indio_dev); - if (ret) - return ret; - } - - indio_dev->trig = trig; - - if (oldtrig && indio_dev->trig != oldtrig) - iio_put_trigger(oldtrig); - if (indio_dev->trig) - iio_get_trigger(indio_dev->trig); - - return len; -} - -static DEVICE_ATTR(current_trigger, S_IRUGO | S_IWUSR, - iio_trigger_read_current, - iio_trigger_write_current); - -static struct attribute *iio_trigger_consumer_attrs[] = { - &dev_attr_current_trigger.attr, - NULL, -}; - -static const struct attribute_group iio_trigger_consumer_attr_group = { - .name = "trigger", - .attrs = iio_trigger_consumer_attrs, -}; - -static void iio_trig_release(struct device *device) -{ - struct iio_trigger *trig = to_iio_trigger(device); - int i; - - if (trig->subirq_base) { - for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) { - irq_modify_status(trig->subirq_base + i, - IRQ_NOAUTOEN, - IRQ_NOREQUEST | IRQ_NOPROBE); - irq_set_chip(trig->subirq_base + i, - NULL); - irq_set_handler(trig->subirq_base + i, - NULL); - } - - irq_free_descs(trig->subirq_base, - CONFIG_IIO_CONSUMERS_PER_TRIGGER); - } - kfree(trig->name); - kfree(trig); -} - -static struct device_type iio_trig_type = { - .release = iio_trig_release, -}; - -static void iio_trig_subirqmask(struct irq_data *d) -{ - struct irq_chip *chip = irq_data_get_irq_chip(d); - struct iio_trigger *trig - = container_of(chip, - struct iio_trigger, subirq_chip); - trig->subirqs[d->irq - trig->subirq_base].enabled = false; -} - -static void iio_trig_subirqunmask(struct irq_data *d) -{ - struct irq_chip *chip = irq_data_get_irq_chip(d); - struct iio_trigger *trig - = container_of(chip, - struct iio_trigger, subirq_chip); - trig->subirqs[d->irq - trig->subirq_base].enabled = true; -} - -struct iio_trigger *iio_allocate_trigger(const char *fmt, ...) -{ - va_list vargs; - struct iio_trigger *trig; - trig = kzalloc(sizeof *trig, GFP_KERNEL); - if (trig) { - int i; - trig->dev.type = &iio_trig_type; - trig->dev.bus = &iio_bus_type; - device_initialize(&trig->dev); - dev_set_drvdata(&trig->dev, (void *)trig); - - mutex_init(&trig->pool_lock); - trig->subirq_base - = irq_alloc_descs(-1, 0, - CONFIG_IIO_CONSUMERS_PER_TRIGGER, - 0); - if (trig->subirq_base < 0) { - kfree(trig); - return NULL; - } - va_start(vargs, fmt); - trig->name = kvasprintf(GFP_KERNEL, fmt, vargs); - va_end(vargs); - if (trig->name == NULL) { - irq_free_descs(trig->subirq_base, - CONFIG_IIO_CONSUMERS_PER_TRIGGER); - kfree(trig); - return NULL; - } - trig->subirq_chip.name = trig->name; - trig->subirq_chip.irq_mask = &iio_trig_subirqmask; - trig->subirq_chip.irq_unmask = &iio_trig_subirqunmask; - for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) { - irq_set_chip(trig->subirq_base + i, - &trig->subirq_chip); - irq_set_handler(trig->subirq_base + i, - &handle_simple_irq); - irq_modify_status(trig->subirq_base + i, - IRQ_NOREQUEST | IRQ_NOAUTOEN, - IRQ_NOPROBE); - } - get_device(&trig->dev); - } - return trig; -} -EXPORT_SYMBOL(iio_allocate_trigger); - -void iio_free_trigger(struct iio_trigger *trig) -{ - if (trig) - put_device(&trig->dev); -} -EXPORT_SYMBOL(iio_free_trigger); - -void iio_device_register_trigger_consumer(struct iio_dev *indio_dev) -{ - indio_dev->groups[indio_dev->groupcounter++] = - &iio_trigger_consumer_attr_group; -} - -void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev) -{ - /* Clean up and associated but not attached triggers references */ - if (indio_dev->trig) - iio_put_trigger(indio_dev->trig); -} - -int iio_triggered_buffer_postenable(struct iio_dev *indio_dev) -{ - return iio_trigger_attach_poll_func(indio_dev->trig, - indio_dev->pollfunc); -} -EXPORT_SYMBOL(iio_triggered_buffer_postenable); - -int iio_triggered_buffer_predisable(struct iio_dev *indio_dev) -{ - return iio_trigger_dettach_poll_func(indio_dev->trig, - indio_dev->pollfunc); -} -EXPORT_SYMBOL(iio_triggered_buffer_predisable); diff --git a/drivers/staging/iio/inkern.c b/drivers/staging/iio/inkern.c deleted file mode 100644 index ef07a02bf542..000000000000 --- a/drivers/staging/iio/inkern.c +++ /dev/null @@ -1,293 +0,0 @@ -/* The industrial I/O core in kernel channel mapping - * - * Copyright (c) 2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ -#include <linux/err.h> -#include <linux/export.h> -#include <linux/slab.h> -#include <linux/mutex.h> - -#include "iio.h" -#include "iio_core.h" -#include "machine.h" -#include "driver.h" -#include "consumer.h" - -struct iio_map_internal { - struct iio_dev *indio_dev; - struct iio_map *map; - struct list_head l; -}; - -static LIST_HEAD(iio_map_list); -static DEFINE_MUTEX(iio_map_list_lock); - -int iio_map_array_register(struct iio_dev *indio_dev, struct iio_map *maps) -{ - int i = 0, ret = 0; - struct iio_map_internal *mapi; - - if (maps == NULL) - return 0; - - mutex_lock(&iio_map_list_lock); - while (maps[i].consumer_dev_name != NULL) { - mapi = kzalloc(sizeof(*mapi), GFP_KERNEL); - if (mapi == NULL) { - ret = -ENOMEM; - goto error_ret; - } - mapi->map = &maps[i]; - mapi->indio_dev = indio_dev; - list_add(&mapi->l, &iio_map_list); - i++; - } -error_ret: - mutex_unlock(&iio_map_list_lock); - - return ret; -} -EXPORT_SYMBOL_GPL(iio_map_array_register); - - -/* Assumes the exact same array (e.g. memory locations) - * used at unregistration as used at registration rather than - * more complex checking of contents. - */ -int iio_map_array_unregister(struct iio_dev *indio_dev, - struct iio_map *maps) -{ - int i = 0, ret = 0; - bool found_it; - struct iio_map_internal *mapi; - - if (maps == NULL) - return 0; - - mutex_lock(&iio_map_list_lock); - while (maps[i].consumer_dev_name != NULL) { - found_it = false; - list_for_each_entry(mapi, &iio_map_list, l) - if (&maps[i] == mapi->map) { - list_del(&mapi->l); - kfree(mapi); - found_it = true; - break; - } - if (found_it == false) { - ret = -ENODEV; - goto error_ret; - } - i++; - } -error_ret: - mutex_unlock(&iio_map_list_lock); - - return ret; -} -EXPORT_SYMBOL_GPL(iio_map_array_unregister); - -static const struct iio_chan_spec -*iio_chan_spec_from_name(const struct iio_dev *indio_dev, - const char *name) -{ - int i; - const struct iio_chan_spec *chan = NULL; - - for (i = 0; i < indio_dev->num_channels; i++) - if (indio_dev->channels[i].datasheet_name && - strcmp(name, indio_dev->channels[i].datasheet_name) == 0) { - chan = &indio_dev->channels[i]; - break; - } - return chan; -} - - -struct iio_channel *iio_st_channel_get(const char *name, - const char *channel_name) -{ - struct iio_map_internal *c_i = NULL, *c = NULL; - struct iio_channel *channel; - - if (name == NULL && channel_name == NULL) - return ERR_PTR(-ENODEV); - - /* first find matching entry the channel map */ - mutex_lock(&iio_map_list_lock); - list_for_each_entry(c_i, &iio_map_list, l) { - if ((name && strcmp(name, c_i->map->consumer_dev_name) != 0) || - (channel_name && - strcmp(channel_name, c_i->map->consumer_channel) != 0)) - continue; - c = c_i; - get_device(&c->indio_dev->dev); - break; - } - mutex_unlock(&iio_map_list_lock); - if (c == NULL) - return ERR_PTR(-ENODEV); - - channel = kmalloc(sizeof(*channel), GFP_KERNEL); - if (channel == NULL) - return ERR_PTR(-ENOMEM); - - channel->indio_dev = c->indio_dev; - - if (c->map->adc_channel_label) - channel->channel = - iio_chan_spec_from_name(channel->indio_dev, - c->map->adc_channel_label); - - return channel; -} -EXPORT_SYMBOL_GPL(iio_st_channel_get); - -void iio_st_channel_release(struct iio_channel *channel) -{ - put_device(&channel->indio_dev->dev); - kfree(channel); -} -EXPORT_SYMBOL_GPL(iio_st_channel_release); - -struct iio_channel *iio_st_channel_get_all(const char *name) -{ - struct iio_channel *chans; - struct iio_map_internal *c = NULL; - int nummaps = 0; - int mapind = 0; - int i, ret; - - if (name == NULL) - return ERR_PTR(-EINVAL); - - mutex_lock(&iio_map_list_lock); - /* first count the matching maps */ - list_for_each_entry(c, &iio_map_list, l) - if (name && strcmp(name, c->map->consumer_dev_name) != 0) - continue; - else - nummaps++; - - if (nummaps == 0) { - ret = -ENODEV; - goto error_ret; - } - - /* NULL terminated array to save passing size */ - chans = kzalloc(sizeof(*chans)*(nummaps + 1), GFP_KERNEL); - if (chans == NULL) { - ret = -ENOMEM; - goto error_ret; - } - - /* for each map fill in the chans element */ - list_for_each_entry(c, &iio_map_list, l) { - if (name && strcmp(name, c->map->consumer_dev_name) != 0) - continue; - chans[mapind].indio_dev = c->indio_dev; - chans[mapind].channel = - iio_chan_spec_from_name(chans[mapind].indio_dev, - c->map->adc_channel_label); - if (chans[mapind].channel == NULL) { - ret = -EINVAL; - put_device(&chans[mapind].indio_dev->dev); - goto error_free_chans; - } - get_device(&chans[mapind].indio_dev->dev); - mapind++; - } - mutex_unlock(&iio_map_list_lock); - if (mapind == 0) { - ret = -ENODEV; - goto error_free_chans; - } - return chans; - -error_free_chans: - for (i = 0; i < nummaps; i++) - if (chans[i].indio_dev) - put_device(&chans[i].indio_dev->dev); - kfree(chans); -error_ret: - mutex_unlock(&iio_map_list_lock); - - return ERR_PTR(ret); -} -EXPORT_SYMBOL_GPL(iio_st_channel_get_all); - -void iio_st_channel_release_all(struct iio_channel *channels) -{ - struct iio_channel *chan = &channels[0]; - - while (chan->indio_dev) { - put_device(&chan->indio_dev->dev); - chan++; - } - kfree(channels); -} -EXPORT_SYMBOL_GPL(iio_st_channel_release_all); - -int iio_st_read_channel_raw(struct iio_channel *chan, int *val) -{ - int val2, ret; - - mutex_lock(&chan->indio_dev->info_exist_lock); - if (chan->indio_dev->info == NULL) { - ret = -ENODEV; - goto err_unlock; - } - - ret = chan->indio_dev->info->read_raw(chan->indio_dev, chan->channel, - val, &val2, 0); -err_unlock: - mutex_unlock(&chan->indio_dev->info_exist_lock); - - return ret; -} -EXPORT_SYMBOL_GPL(iio_st_read_channel_raw); - -int iio_st_read_channel_scale(struct iio_channel *chan, int *val, int *val2) -{ - int ret; - - mutex_lock(&chan->indio_dev->info_exist_lock); - if (chan->indio_dev->info == NULL) { - ret = -ENODEV; - goto err_unlock; - } - - ret = chan->indio_dev->info->read_raw(chan->indio_dev, - chan->channel, - val, val2, - IIO_CHAN_INFO_SCALE); -err_unlock: - mutex_unlock(&chan->indio_dev->info_exist_lock); - - return ret; -} -EXPORT_SYMBOL_GPL(iio_st_read_channel_scale); - -int iio_st_get_channel_type(struct iio_channel *chan, - enum iio_chan_type *type) -{ - int ret = 0; - /* Need to verify underlying driver has not gone away */ - - mutex_lock(&chan->indio_dev->info_exist_lock); - if (chan->indio_dev->info == NULL) { - ret = -ENODEV; - goto err_unlock; - } - - *type = chan->channel->type; -err_unlock: - mutex_unlock(&chan->indio_dev->info_exist_lock); - - return ret; -} -EXPORT_SYMBOL_GPL(iio_st_get_channel_type); diff --git a/drivers/staging/iio/kfifo_buf.c b/drivers/staging/iio/kfifo_buf.c deleted file mode 100644 index 9f3bd59c0e72..000000000000 --- a/drivers/staging/iio/kfifo_buf.c +++ /dev/null @@ -1,151 +0,0 @@ -#include <linux/slab.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/workqueue.h> -#include <linux/kfifo.h> -#include <linux/mutex.h> - -#include "kfifo_buf.h" - -struct iio_kfifo { - struct iio_buffer buffer; - struct kfifo kf; - int update_needed; -}; - -#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer) - -static inline int __iio_allocate_kfifo(struct iio_kfifo *buf, - int bytes_per_datum, int length) -{ - if ((length == 0) || (bytes_per_datum == 0)) - return -EINVAL; - - __iio_update_buffer(&buf->buffer, bytes_per_datum, length); - return kfifo_alloc(&buf->kf, bytes_per_datum*length, GFP_KERNEL); -} - -static int iio_request_update_kfifo(struct iio_buffer *r) -{ - int ret = 0; - struct iio_kfifo *buf = iio_to_kfifo(r); - - if (!buf->update_needed) - goto error_ret; - kfifo_free(&buf->kf); - ret = __iio_allocate_kfifo(buf, buf->buffer.bytes_per_datum, - buf->buffer.length); -error_ret: - return ret; -} - -static int iio_get_length_kfifo(struct iio_buffer *r) -{ - return r->length; -} - -static IIO_BUFFER_ENABLE_ATTR; -static IIO_BUFFER_LENGTH_ATTR; - -static struct attribute *iio_kfifo_attributes[] = { - &dev_attr_length.attr, - &dev_attr_enable.attr, - NULL, -}; - -static struct attribute_group iio_kfifo_attribute_group = { - .attrs = iio_kfifo_attributes, - .name = "buffer", -}; - -static int iio_get_bytes_per_datum_kfifo(struct iio_buffer *r) -{ - return r->bytes_per_datum; -} - -static int iio_mark_update_needed_kfifo(struct iio_buffer *r) -{ - struct iio_kfifo *kf = iio_to_kfifo(r); - kf->update_needed = true; - return 0; -} - -static int iio_set_bytes_per_datum_kfifo(struct iio_buffer *r, size_t bpd) -{ - if (r->bytes_per_datum != bpd) { - r->bytes_per_datum = bpd; - iio_mark_update_needed_kfifo(r); - } - return 0; -} - -static int iio_set_length_kfifo(struct iio_buffer *r, int length) -{ - if (r->length != length) { - r->length = length; - iio_mark_update_needed_kfifo(r); - } - return 0; -} - -static int iio_store_to_kfifo(struct iio_buffer *r, - u8 *data, - s64 timestamp) -{ - int ret; - struct iio_kfifo *kf = iio_to_kfifo(r); - ret = kfifo_in(&kf->kf, data, r->bytes_per_datum); - if (ret != r->bytes_per_datum) - return -EBUSY; - return 0; -} - -static int iio_read_first_n_kfifo(struct iio_buffer *r, - size_t n, char __user *buf) -{ - int ret, copied; - struct iio_kfifo *kf = iio_to_kfifo(r); - - if (n < r->bytes_per_datum) - return -EINVAL; - - n = rounddown(n, r->bytes_per_datum); - ret = kfifo_to_user(&kf->kf, buf, n, &copied); - - return copied; -} - -static const struct iio_buffer_access_funcs kfifo_access_funcs = { - .store_to = &iio_store_to_kfifo, - .read_first_n = &iio_read_first_n_kfifo, - .request_update = &iio_request_update_kfifo, - .get_bytes_per_datum = &iio_get_bytes_per_datum_kfifo, - .set_bytes_per_datum = &iio_set_bytes_per_datum_kfifo, - .get_length = &iio_get_length_kfifo, - .set_length = &iio_set_length_kfifo, -}; - -struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev) -{ - struct iio_kfifo *kf; - - kf = kzalloc(sizeof *kf, GFP_KERNEL); - if (!kf) - return NULL; - kf->update_needed = true; - iio_buffer_init(&kf->buffer); - kf->buffer.attrs = &iio_kfifo_attribute_group; - kf->buffer.access = &kfifo_access_funcs; - - return &kf->buffer; -} -EXPORT_SYMBOL(iio_kfifo_allocate); - -void iio_kfifo_free(struct iio_buffer *r) -{ - kfree(iio_to_kfifo(r)); -} -EXPORT_SYMBOL(iio_kfifo_free); - -MODULE_LICENSE("GPL"); diff --git a/drivers/staging/iio/kfifo_buf.h b/drivers/staging/iio/kfifo_buf.h deleted file mode 100644 index 9f7da016af04..000000000000 --- a/drivers/staging/iio/kfifo_buf.h +++ /dev/null @@ -1,8 +0,0 @@ - -#include <linux/kfifo.h> -#include "iio.h" -#include "buffer.h" - -struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev); -void iio_kfifo_free(struct iio_buffer *r); - diff --git a/drivers/staging/iio/light/Kconfig b/drivers/staging/iio/light/Kconfig index e7e9159d9895..4bed30eac3ed 100644 --- a/drivers/staging/iio/light/Kconfig +++ b/drivers/staging/iio/light/Kconfig @@ -4,15 +4,26 @@ menu "Light sensors" config SENSORS_ISL29018 - tristate "ISL 29018 light and proximity sensor" - depends on I2C - default n - help - If you say yes here you get support for ambient light sensing and - proximity infrared sensing from Intersil ISL29018. - This driver will provide the measurements of ambient light intensity - in lux, proximity infrared sensing and normal infrared sensing. - Data from sensor is accessible via sysfs. + tristate "ISL 29018 light and proximity sensor" + depends on I2C + select REGMAP_I2C + default n + help + If you say yes here you get support for ambient light sensing and + proximity infrared sensing from Intersil ISL29018. + This driver will provide the measurements of ambient light intensity + in lux, proximity infrared sensing and normal infrared sensing. + Data from sensor is accessible via sysfs. + +config SENSORS_ISL29028 + tristate "Intersil ISL29028 Concurrent Light and Proximity Sensor" + depends on I2C + select REGMAP_I2C + help + Provides driver for the Intersil's ISL29028 device. + This driver supports the sysfs interface to get the ALS, IR intensity, + Proximity value via iio. The ISL29028 provides the concurrent sensing + of ambient light and proximity. config SENSORS_TSL2563 tristate "TAOS TSL2560, TSL2561, TSL2562 and TSL2563 ambient light sensors" @@ -31,4 +42,12 @@ config TSL2583 Provides support for the TAOS tsl2580, tsl2581 and tsl2583 devices. Access ALS data via iio, sysfs. +config TSL2x7x + tristate "TAOS TSL/TMD2x71 and TSL/TMD2x72 Family of light and proximity sensors" + depends on I2C + help + Support for: tsl2571, tsl2671, tmd2671, tsl2771, tmd2771, tsl2572, tsl2672, + tmd2672, tsl2772, tmd2772 devices. + Provides iio_events and direct access via sysfs. + endmenu diff --git a/drivers/staging/iio/light/Makefile b/drivers/staging/iio/light/Makefile index 3011fbfa8dc2..141af1eb164c 100644 --- a/drivers/staging/iio/light/Makefile +++ b/drivers/staging/iio/light/Makefile @@ -4,4 +4,6 @@ obj-$(CONFIG_SENSORS_TSL2563) += tsl2563.o obj-$(CONFIG_SENSORS_ISL29018) += isl29018.o +obj-$(CONFIG_SENSORS_ISL29028) += isl29028.o obj-$(CONFIG_TSL2583) += tsl2583.o +obj-$(CONFIG_TSL2x7x) += tsl2x7x_core.o diff --git a/drivers/staging/iio/light/isl29018.c b/drivers/staging/iio/light/isl29018.c index 38ec52b65dfa..2d23c6afa286 100644 --- a/drivers/staging/iio/light/isl29018.c +++ b/drivers/staging/iio/light/isl29018.c @@ -26,9 +26,11 @@ #include <linux/err.h> #include <linux/mutex.h> #include <linux/delay.h> +#include <linux/regmap.h> #include <linux/slab.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> + #define CONVERSION_TIME_MS 100 #define ISL29018_REG_ADD_COMMAND1 0x00 @@ -51,49 +53,22 @@ #define ISL29018_REG_ADD_DATA_LSB 0x02 #define ISL29018_REG_ADD_DATA_MSB 0x03 -#define ISL29018_MAX_REGS (ISL29018_REG_ADD_DATA_MSB+1) #define ISL29018_REG_TEST 0x08 #define ISL29018_TEST_SHIFT 0 #define ISL29018_TEST_MASK (0xFF << ISL29018_TEST_SHIFT) struct isl29018_chip { - struct i2c_client *client; + struct device *dev; + struct regmap *regmap; struct mutex lock; unsigned int lux_scale; unsigned int range; unsigned int adc_bit; int prox_scheme; - u8 reg_cache[ISL29018_MAX_REGS]; }; -static int isl29018_write_data(struct i2c_client *client, u8 reg, - u8 val, u8 mask, u8 shift) -{ - u8 regval = val; - int ret; - struct isl29018_chip *chip = iio_priv(i2c_get_clientdata(client)); - - /* don't cache or mask REG_TEST */ - if (reg < ISL29018_MAX_REGS) { - regval = chip->reg_cache[reg]; - regval &= ~mask; - regval |= val << shift; - } - - ret = i2c_smbus_write_byte_data(client, reg, regval); - if (ret) { - dev_err(&client->dev, "Write to device fails status %x\n", ret); - } else { - /* don't update cache on err */ - if (reg < ISL29018_MAX_REGS) - chip->reg_cache[reg] = regval; - } - - return ret; -} - -static int isl29018_set_range(struct i2c_client *client, unsigned long range, +static int isl29018_set_range(struct isl29018_chip *chip, unsigned long range, unsigned int *new_range) { static const unsigned long supp_ranges[] = {1000, 4000, 16000, 64000}; @@ -109,11 +84,11 @@ static int isl29018_set_range(struct i2c_client *client, unsigned long range, if (i >= ARRAY_SIZE(supp_ranges)) return -EINVAL; - return isl29018_write_data(client, ISL29018_REG_ADD_COMMANDII, - i, COMMANDII_RANGE_MASK, COMMANDII_RANGE_SHIFT); + return regmap_update_bits(chip->regmap, ISL29018_REG_ADD_COMMANDII, + COMMANDII_RANGE_MASK, i << COMMANDII_RANGE_SHIFT); } -static int isl29018_set_resolution(struct i2c_client *client, +static int isl29018_set_resolution(struct isl29018_chip *chip, unsigned long adcbit, unsigned int *conf_adc_bit) { static const unsigned long supp_adcbit[] = {16, 12, 8, 4}; @@ -129,48 +104,49 @@ static int isl29018_set_resolution(struct i2c_client *client, if (i >= ARRAY_SIZE(supp_adcbit)) return -EINVAL; - return isl29018_write_data(client, ISL29018_REG_ADD_COMMANDII, - i, COMMANDII_RESOLUTION_MASK, - COMMANDII_RESOLUTION_SHIFT); + return regmap_update_bits(chip->regmap, ISL29018_REG_ADD_COMMANDII, + COMMANDII_RESOLUTION_MASK, + i << COMMANDII_RESOLUTION_SHIFT); } -static int isl29018_read_sensor_input(struct i2c_client *client, int mode) +static int isl29018_read_sensor_input(struct isl29018_chip *chip, int mode) { int status; - int lsb; - int msb; + unsigned int lsb; + unsigned int msb; /* Set mode */ - status = isl29018_write_data(client, ISL29018_REG_ADD_COMMAND1, - mode, COMMMAND1_OPMODE_MASK, COMMMAND1_OPMODE_SHIFT); + status = regmap_write(chip->regmap, ISL29018_REG_ADD_COMMAND1, + mode << COMMMAND1_OPMODE_SHIFT); if (status) { - dev_err(&client->dev, "Error in setting operating mode\n"); + dev_err(chip->dev, + "Error in setting operating mode err %d\n", status); return status; } msleep(CONVERSION_TIME_MS); - lsb = i2c_smbus_read_byte_data(client, ISL29018_REG_ADD_DATA_LSB); - if (lsb < 0) { - dev_err(&client->dev, "Error in reading LSB DATA\n"); - return lsb; + status = regmap_read(chip->regmap, ISL29018_REG_ADD_DATA_LSB, &lsb); + if (status < 0) { + dev_err(chip->dev, + "Error in reading LSB DATA with err %d\n", status); + return status; } - msb = i2c_smbus_read_byte_data(client, ISL29018_REG_ADD_DATA_MSB); - if (msb < 0) { - dev_err(&client->dev, "Error in reading MSB DATA\n"); - return msb; + status = regmap_read(chip->regmap, ISL29018_REG_ADD_DATA_MSB, &msb); + if (status < 0) { + dev_err(chip->dev, + "Error in reading MSB DATA with error %d\n", status); + return status; } - dev_vdbg(&client->dev, "MSB 0x%x and LSB 0x%x\n", msb, lsb); + dev_vdbg(chip->dev, "MSB 0x%x and LSB 0x%x\n", msb, lsb); return (msb << 8) | lsb; } -static int isl29018_read_lux(struct i2c_client *client, int *lux) +static int isl29018_read_lux(struct isl29018_chip *chip, int *lux) { int lux_data; - struct isl29018_chip *chip = iio_priv(i2c_get_clientdata(client)); - lux_data = isl29018_read_sensor_input(client, - COMMMAND1_OPMODE_ALS_ONCE); + lux_data = isl29018_read_sensor_input(chip, COMMMAND1_OPMODE_ALS_ONCE); if (lux_data < 0) return lux_data; @@ -180,11 +156,11 @@ static int isl29018_read_lux(struct i2c_client *client, int *lux) return 0; } -static int isl29018_read_ir(struct i2c_client *client, int *ir) +static int isl29018_read_ir(struct isl29018_chip *chip, int *ir) { int ir_data; - ir_data = isl29018_read_sensor_input(client, COMMMAND1_OPMODE_IR_ONCE); + ir_data = isl29018_read_sensor_input(chip, COMMMAND1_OPMODE_IR_ONCE); if (ir_data < 0) return ir_data; @@ -194,7 +170,7 @@ static int isl29018_read_ir(struct i2c_client *client, int *ir) return 0; } -static int isl29018_read_proximity_ir(struct i2c_client *client, int scheme, +static int isl29018_read_proximity_ir(struct isl29018_chip *chip, int scheme, int *near_ir) { int status; @@ -202,14 +178,15 @@ static int isl29018_read_proximity_ir(struct i2c_client *client, int scheme, int ir_data = -1; /* Do proximity sensing with required scheme */ - status = isl29018_write_data(client, ISL29018_REG_ADD_COMMANDII, - scheme, COMMANDII_SCHEME_MASK, COMMANDII_SCHEME_SHIFT); + status = regmap_update_bits(chip->regmap, ISL29018_REG_ADD_COMMANDII, + COMMANDII_SCHEME_MASK, + scheme << COMMANDII_SCHEME_SHIFT); if (status) { - dev_err(&client->dev, "Error in setting operating mode\n"); + dev_err(chip->dev, "Error in setting operating mode\n"); return status; } - prox_data = isl29018_read_sensor_input(client, + prox_data = isl29018_read_sensor_input(chip, COMMMAND1_OPMODE_PROX_ONCE); if (prox_data < 0) return prox_data; @@ -219,8 +196,7 @@ static int isl29018_read_proximity_ir(struct i2c_client *client, int scheme, return 0; } - ir_data = isl29018_read_sensor_input(client, - COMMMAND1_OPMODE_IR_ONCE); + ir_data = isl29018_read_sensor_input(chip, COMMMAND1_OPMODE_IR_ONCE); if (ir_data < 0) return ir_data; @@ -249,7 +225,6 @@ static ssize_t store_range(struct device *dev, { struct iio_dev *indio_dev = dev_get_drvdata(dev); struct isl29018_chip *chip = iio_priv(indio_dev); - struct i2c_client *client = chip->client; int status; unsigned long lval; unsigned int new_range; @@ -264,10 +239,11 @@ static ssize_t store_range(struct device *dev, } mutex_lock(&chip->lock); - status = isl29018_set_range(client, lval, &new_range); + status = isl29018_set_range(chip, lval, &new_range); if (status < 0) { mutex_unlock(&chip->lock); - dev_err(dev, "Error in setting max range\n"); + dev_err(dev, + "Error in setting max range with err %d\n", status); return status; } chip->range = new_range; @@ -291,7 +267,6 @@ static ssize_t store_resolution(struct device *dev, { struct iio_dev *indio_dev = dev_get_drvdata(dev); struct isl29018_chip *chip = iio_priv(indio_dev); - struct i2c_client *client = chip->client; int status; unsigned long lval; unsigned int new_adc_bit; @@ -304,7 +279,7 @@ static ssize_t store_resolution(struct device *dev, } mutex_lock(&chip->lock); - status = isl29018_set_resolution(client, lval, &new_adc_bit); + status = isl29018_set_resolution(chip, lval, &new_adc_bit); if (status < 0) { mutex_unlock(&chip->lock); dev_err(dev, "Error in setting resolution\n"); @@ -379,20 +354,20 @@ static int isl29018_read_raw(struct iio_dev *indio_dev, { int ret = -EINVAL; struct isl29018_chip *chip = iio_priv(indio_dev); - struct i2c_client *client = chip->client; mutex_lock(&chip->lock); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: + case IIO_CHAN_INFO_PROCESSED: switch (chan->type) { case IIO_LIGHT: - ret = isl29018_read_lux(client, val); + ret = isl29018_read_lux(chip, val); break; case IIO_INTENSITY: - ret = isl29018_read_ir(client, val); + ret = isl29018_read_ir(chip, val); break; case IIO_PROXIMITY: - ret = isl29018_read_proximity_ir(client, + ret = isl29018_read_proximity_ir(chip, chip->prox_scheme, val); break; default: @@ -419,15 +394,17 @@ static const struct iio_chan_spec isl29018_channels[] = { .type = IIO_LIGHT, .indexed = 1, .channel = 0, - .processed_val = IIO_PROCESSED, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, }, { .type = IIO_INTENSITY, .modified = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, .channel2 = IIO_MOD_LIGHT_IR, }, { /* Unindexed in current ABI. But perhaps it should be. */ .type = IIO_PROXIMITY, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, } }; @@ -456,15 +433,12 @@ static const struct attribute_group isl29108_group = { .attrs = isl29018_attributes, }; -static int isl29018_chip_init(struct i2c_client *client) +static int isl29018_chip_init(struct isl29018_chip *chip) { - struct isl29018_chip *chip = iio_priv(i2c_get_clientdata(client)); int status; int new_adc_bit; unsigned int new_range; - memset(chip->reg_cache, 0, sizeof(chip->reg_cache)); - /* Code added per Intersil Application Note 1534: * When VDD sinks to approximately 1.8V or below, some of * the part's registers may change their state. When VDD @@ -485,10 +459,9 @@ static int isl29018_chip_init(struct i2c_client *client) * the same thing EXCEPT the data sheet asks for a 1ms delay after * writing the CMD1 register. */ - status = isl29018_write_data(client, ISL29018_REG_TEST, 0, - ISL29018_TEST_MASK, ISL29018_TEST_SHIFT); + status = regmap_write(chip->regmap, ISL29018_REG_TEST, 0x0); if (status < 0) { - dev_err(&client->dev, "Failed to clear isl29018 TEST reg." + dev_err(chip->dev, "Failed to clear isl29018 TEST reg." "(%d)\n", status); return status; } @@ -497,10 +470,9 @@ static int isl29018_chip_init(struct i2c_client *client) * "Operating Mode" (COMMAND1) register is reprogrammed when * data is read from the device. */ - status = isl29018_write_data(client, ISL29018_REG_ADD_COMMAND1, 0, - 0xff, 0); + status = regmap_write(chip->regmap, ISL29018_REG_ADD_COMMAND1, 0); if (status < 0) { - dev_err(&client->dev, "Failed to clear isl29018 CMD1 reg." + dev_err(chip->dev, "Failed to clear isl29018 CMD1 reg." "(%d)\n", status); return status; } @@ -508,13 +480,13 @@ static int isl29018_chip_init(struct i2c_client *client) msleep(1); /* per data sheet, page 10 */ /* set defaults */ - status = isl29018_set_range(client, chip->range, &new_range); + status = isl29018_set_range(chip, chip->range, &new_range); if (status < 0) { - dev_err(&client->dev, "Init of isl29018 fails\n"); + dev_err(chip->dev, "Init of isl29018 fails\n"); return status; } - status = isl29018_set_resolution(client, chip->adc_bit, + status = isl29018_set_resolution(chip, chip->adc_bit, &new_adc_bit); return 0; @@ -527,6 +499,32 @@ static const struct iio_info isl29108_info = { .write_raw = &isl29018_write_raw, }; +static bool is_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ISL29018_REG_ADD_DATA_LSB: + case ISL29018_REG_ADD_DATA_MSB: + case ISL29018_REG_ADD_COMMAND1: + case ISL29018_REG_TEST: + return true; + default: + return false; + } +} + +/* + * isl29018_regmap_config: regmap configuration. + * Use RBTREE mechanism for caching. + */ +static const struct regmap_config isl29018_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .volatile_reg = is_volatile_reg, + .max_register = ISL29018_REG_TEST, + .num_reg_defaults_raw = ISL29018_REG_TEST + 1, + .cache_type = REGCACHE_RBTREE, +}; + static int __devinit isl29018_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -534,7 +532,7 @@ static int __devinit isl29018_probe(struct i2c_client *client, struct iio_dev *indio_dev; int err; - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { dev_err(&client->dev, "iio allocation fails\n"); err = -ENOMEM; @@ -543,7 +541,7 @@ static int __devinit isl29018_probe(struct i2c_client *client, chip = iio_priv(indio_dev); i2c_set_clientdata(client, indio_dev); - chip->client = client; + chip->dev = &client->dev; mutex_init(&chip->lock); @@ -551,7 +549,14 @@ static int __devinit isl29018_probe(struct i2c_client *client, chip->range = 1000; chip->adc_bit = 16; - err = isl29018_chip_init(client); + chip->regmap = devm_regmap_init_i2c(client, &isl29018_regmap_config); + if (IS_ERR(chip->regmap)) { + err = PTR_ERR(chip->regmap); + dev_err(chip->dev, "regmap initialization failed: %d\n", err); + goto exit; + } + + err = isl29018_chip_init(chip); if (err) goto exit_iio_free; @@ -569,7 +574,7 @@ static int __devinit isl29018_probe(struct i2c_client *client, return 0; exit_iio_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); exit: return err; } @@ -580,7 +585,7 @@ static int __devexit isl29018_remove(struct i2c_client *client) dev_dbg(&client->dev, "%s()\n", __func__); iio_device_unregister(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } @@ -593,7 +598,7 @@ static const struct i2c_device_id isl29018_id[] = { MODULE_DEVICE_TABLE(i2c, isl29018_id); static const struct of_device_id isl29018_of_match[] = { - { .compatible = "invn,isl29018", }, + { .compatible = "isil,isl29018", }, { }, }; MODULE_DEVICE_TABLE(of, isl29018_of_match); diff --git a/drivers/staging/iio/light/isl29028.c b/drivers/staging/iio/light/isl29028.c new file mode 100644 index 000000000000..33a4c3f94a14 --- /dev/null +++ b/drivers/staging/iio/light/isl29028.c @@ -0,0 +1,566 @@ +/* + * IIO driver for the light sensor ISL29028. + * ISL29028 is Concurrent Ambient Light and Proximity Sensor + * + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/regmap.h> +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> + +#define CONVERSION_TIME_MS 100 + +#define ISL29028_REG_CONFIGURE 0x01 + +#define CONFIGURE_ALS_IR_MODE_ALS 0 +#define CONFIGURE_ALS_IR_MODE_IR BIT(0) +#define CONFIGURE_ALS_IR_MODE_MASK BIT(0) + +#define CONFIGURE_ALS_RANGE_LOW_LUX 0 +#define CONFIGURE_ALS_RANGE_HIGH_LUX BIT(1) +#define CONFIGURE_ALS_RANGE_MASK BIT(1) + +#define CONFIGURE_ALS_DIS 0 +#define CONFIGURE_ALS_EN BIT(2) +#define CONFIGURE_ALS_EN_MASK BIT(2) + +#define CONFIGURE_PROX_DRIVE BIT(3) + +#define CONFIGURE_PROX_SLP_SH 4 +#define CONFIGURE_PROX_SLP_MASK (7 << CONFIGURE_PROX_SLP_SH) + +#define CONFIGURE_PROX_EN BIT(7) +#define CONFIGURE_PROX_EN_MASK BIT(7) + +#define ISL29028_REG_INTERRUPT 0x02 + +#define ISL29028_REG_PROX_DATA 0x08 +#define ISL29028_REG_ALSIR_L 0x09 +#define ISL29028_REG_ALSIR_U 0x0A + +#define ISL29028_REG_TEST1_MODE 0x0E +#define ISL29028_REG_TEST2_MODE 0x0F + +#define ISL29028_NUM_REGS (ISL29028_REG_TEST2_MODE + 1) + +enum als_ir_mode { + MODE_NONE = 0, + MODE_ALS, + MODE_IR +}; + +struct isl29028_chip { + struct device *dev; + struct mutex lock; + struct regmap *regmap; + + unsigned int prox_sampling; + bool enable_prox; + + int lux_scale; + int als_ir_mode; +}; + +static int isl29028_set_proxim_sampling(struct isl29028_chip *chip, + unsigned int sampling) +{ + static unsigned int prox_period[] = {800, 400, 200, 100, 75, 50, 12, 0}; + int sel; + unsigned int period = DIV_ROUND_UP(1000, sampling); + + for (sel = 0; sel < ARRAY_SIZE(prox_period); ++sel) { + if (period >= prox_period[sel]) + break; + } + return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, + CONFIGURE_PROX_SLP_MASK, sel << CONFIGURE_PROX_SLP_SH); +} + +static int isl29028_enable_proximity(struct isl29028_chip *chip, bool enable) +{ + int ret; + int val = 0; + + if (enable) + val = CONFIGURE_PROX_EN; + ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, + CONFIGURE_PROX_EN_MASK, val); + if (ret < 0) + return ret; + + /* Wait for conversion to be complete for first sample */ + mdelay(DIV_ROUND_UP(1000, chip->prox_sampling)); + return 0; +} + +static int isl29028_set_als_scale(struct isl29028_chip *chip, int lux_scale) +{ + int val = (lux_scale == 2000) ? CONFIGURE_ALS_RANGE_HIGH_LUX : + CONFIGURE_ALS_RANGE_LOW_LUX; + + return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, + CONFIGURE_ALS_RANGE_MASK, val); +} + +static int isl29028_set_als_ir_mode(struct isl29028_chip *chip, + enum als_ir_mode mode) +{ + int ret = 0; + + switch (mode) { + case MODE_ALS: + ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, + CONFIGURE_ALS_IR_MODE_MASK, CONFIGURE_ALS_IR_MODE_ALS); + if (ret < 0) + return ret; + + ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, + CONFIGURE_ALS_RANGE_MASK, CONFIGURE_ALS_RANGE_HIGH_LUX); + break; + + case MODE_IR: + ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, + CONFIGURE_ALS_IR_MODE_MASK, CONFIGURE_ALS_IR_MODE_IR); + break; + + case MODE_NONE: + return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, + CONFIGURE_ALS_EN_MASK, CONFIGURE_ALS_DIS); + } + + if (ret < 0) + return ret; + + /* Enable the ALS/IR */ + ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, + CONFIGURE_ALS_EN_MASK, CONFIGURE_ALS_EN); + if (ret < 0) + return ret; + + /* Need to wait for conversion time if ALS/IR mode enabled */ + mdelay(CONVERSION_TIME_MS); + return 0; +} + +static int isl29028_read_als_ir(struct isl29028_chip *chip, int *als_ir) +{ + unsigned int lsb; + unsigned int msb; + int ret; + + ret = regmap_read(chip->regmap, ISL29028_REG_ALSIR_L, &lsb); + if (ret < 0) { + dev_err(chip->dev, + "Error in reading register ALSIR_L err %d\n", ret); + return ret; + } + + ret = regmap_read(chip->regmap, ISL29028_REG_ALSIR_U, &msb); + if (ret < 0) { + dev_err(chip->dev, + "Error in reading register ALSIR_U err %d\n", ret); + return ret; + } + + *als_ir = ((msb & 0xF) << 8) | (lsb & 0xFF); + return 0; +} + +static int isl29028_read_proxim(struct isl29028_chip *chip, int *prox) +{ + unsigned int data; + int ret; + + ret = regmap_read(chip->regmap, ISL29028_REG_PROX_DATA, &data); + if (ret < 0) { + dev_err(chip->dev, "Error in reading register %d, error %d\n", + ISL29028_REG_PROX_DATA, ret); + return ret; + } + *prox = data; + return 0; +} + +static int isl29028_proxim_get(struct isl29028_chip *chip, int *prox_data) +{ + int ret; + + if (!chip->enable_prox) { + ret = isl29028_enable_proximity(chip, true); + if (ret < 0) + return ret; + chip->enable_prox = true; + } + return isl29028_read_proxim(chip, prox_data); +} + +static int isl29028_als_get(struct isl29028_chip *chip, int *als_data) +{ + int ret; + int als_ir_data; + + if (chip->als_ir_mode != MODE_ALS) { + ret = isl29028_set_als_ir_mode(chip, MODE_ALS); + if (ret < 0) { + dev_err(chip->dev, + "Error in enabling ALS mode err %d\n", ret); + return ret; + } + chip->als_ir_mode = MODE_ALS; + } + + ret = isl29028_read_als_ir(chip, &als_ir_data); + if (ret < 0) + return ret; + + /* + * convert als data count to lux. + * if lux_scale = 125, lux = count * 0.031 + * if lux_scale = 2000, lux = count * 0.49 + */ + if (chip->lux_scale == 125) + als_ir_data = (als_ir_data * 31) / 1000; + else + als_ir_data = (als_ir_data * 49) / 100; + + *als_data = als_ir_data; + return 0; +} + +static int isl29028_ir_get(struct isl29028_chip *chip, int *ir_data) +{ + int ret; + + if (chip->als_ir_mode != MODE_IR) { + ret = isl29028_set_als_ir_mode(chip, MODE_IR); + if (ret < 0) { + dev_err(chip->dev, + "Error in enabling IR mode err %d\n", ret); + return ret; + } + chip->als_ir_mode = MODE_IR; + } + return isl29028_read_als_ir(chip, ir_data); +} + +/* Channel IO */ +static int isl29028_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, int val, int val2, long mask) +{ + struct isl29028_chip *chip = iio_priv(indio_dev); + int ret = -EINVAL; + + mutex_lock(&chip->lock); + switch (chan->type) { + case IIO_PROXIMITY: + if (mask != IIO_CHAN_INFO_SAMP_FREQ) { + dev_err(chip->dev, + "proximity: mask value 0x%08lx not supported\n", + mask); + break; + } + if (val < 1 || val > 100) { + dev_err(chip->dev, + "Samp_freq %d is not in range[1:100]\n", val); + break; + } + ret = isl29028_set_proxim_sampling(chip, val); + if (ret < 0) { + dev_err(chip->dev, + "Setting proximity samp_freq fail, err %d\n", + ret); + break; + } + chip->prox_sampling = val; + break; + + case IIO_LIGHT: + if (mask != IIO_CHAN_INFO_SCALE) { + dev_err(chip->dev, + "light: mask value 0x%08lx not supported\n", + mask); + break; + } + if ((val != 125) && (val != 2000)) { + dev_err(chip->dev, + "lux scale %d is invalid [125, 2000]\n", val); + break; + } + ret = isl29028_set_als_scale(chip, val); + if (ret < 0) { + dev_err(chip->dev, + "Setting lux scale fail with error %d\n", ret); + break; + } + chip->lux_scale = val; + break; + + default: + dev_err(chip->dev, "Unsupported channel type\n"); + break; + } + mutex_unlock(&chip->lock); + return ret; +} + +static int isl29028_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, int *val, int *val2, long mask) +{ + struct isl29028_chip *chip = iio_priv(indio_dev); + int ret = -EINVAL; + + mutex_lock(&chip->lock); + switch (mask) { + case IIO_CHAN_INFO_RAW: + case IIO_CHAN_INFO_PROCESSED: + switch (chan->type) { + case IIO_LIGHT: + ret = isl29028_als_get(chip, val); + break; + case IIO_INTENSITY: + ret = isl29028_ir_get(chip, val); + break; + case IIO_PROXIMITY: + ret = isl29028_proxim_get(chip, val); + break; + default: + break; + } + if (ret < 0) + break; + ret = IIO_VAL_INT; + break; + + case IIO_CHAN_INFO_SAMP_FREQ: + if (chan->type != IIO_PROXIMITY) + break; + *val = chip->prox_sampling; + ret = IIO_VAL_INT; + break; + + case IIO_CHAN_INFO_SCALE: + if (chan->type != IIO_LIGHT) + break; + *val = chip->lux_scale; + ret = IIO_VAL_INT; + break; + + default: + dev_err(chip->dev, "mask value 0x%08lx not supported\n", mask); + break; + } + mutex_unlock(&chip->lock); + return ret; +} + +static IIO_CONST_ATTR(in_proximity_sampling_frequency_available, + "1, 3, 5, 10, 13, 20, 83, 100"); +static IIO_CONST_ATTR(in_illuminance_scale_available, "125, 2000"); + +#define ISL29028_DEV_ATTR(name) (&iio_dev_attr_##name.dev_attr.attr) +#define ISL29028_CONST_ATTR(name) (&iio_const_attr_##name.dev_attr.attr) +static struct attribute *isl29028_attributes[] = { + ISL29028_CONST_ATTR(in_proximity_sampling_frequency_available), + ISL29028_CONST_ATTR(in_illuminance_scale_available), + NULL, +}; + +static const struct attribute_group isl29108_group = { + .attrs = isl29028_attributes, +}; + +static const struct iio_chan_spec isl29028_channels[] = { + { + .type = IIO_LIGHT, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + }, { + .type = IIO_INTENSITY, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + }, { + .type = IIO_PROXIMITY, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SAMP_FREQ_SEPARATE_BIT, + } +}; + +static const struct iio_info isl29028_info = { + .attrs = &isl29108_group, + .driver_module = THIS_MODULE, + .read_raw = &isl29028_read_raw, + .write_raw = &isl29028_write_raw, +}; + +static int isl29028_chip_init(struct isl29028_chip *chip) +{ + int ret; + + chip->enable_prox = false; + chip->prox_sampling = 20; + chip->lux_scale = 2000; + chip->als_ir_mode = MODE_NONE; + + ret = regmap_write(chip->regmap, ISL29028_REG_TEST1_MODE, 0x0); + if (ret < 0) { + dev_err(chip->dev, "%s(): write to reg %d failed, err = %d\n", + __func__, ISL29028_REG_TEST1_MODE, ret); + return ret; + } + ret = regmap_write(chip->regmap, ISL29028_REG_TEST2_MODE, 0x0); + if (ret < 0) { + dev_err(chip->dev, "%s(): write to reg %d failed, err = %d\n", + __func__, ISL29028_REG_TEST2_MODE, ret); + return ret; + } + + ret = regmap_write(chip->regmap, ISL29028_REG_CONFIGURE, 0x0); + if (ret < 0) { + dev_err(chip->dev, "%s(): write to reg %d failed, err = %d\n", + __func__, ISL29028_REG_CONFIGURE, ret); + return ret; + } + + ret = isl29028_set_proxim_sampling(chip, chip->prox_sampling); + if (ret < 0) { + dev_err(chip->dev, "%s(): setting the proximity, err = %d\n", + __func__, ret); + return ret; + } + + ret = isl29028_set_als_scale(chip, chip->lux_scale); + if (ret < 0) + dev_err(chip->dev, "%s(): setting als scale failed, err = %d\n", + __func__, ret); + return ret; +} + +static bool is_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ISL29028_REG_INTERRUPT: + case ISL29028_REG_PROX_DATA: + case ISL29028_REG_ALSIR_L: + case ISL29028_REG_ALSIR_U: + return true; + default: + return false; + } +} + +static const struct regmap_config isl29028_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .volatile_reg = is_volatile_reg, + .max_register = ISL29028_NUM_REGS - 1, + .num_reg_defaults_raw = ISL29028_NUM_REGS, + .cache_type = REGCACHE_RBTREE, +}; + +static int __devinit isl29028_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct isl29028_chip *chip; + struct iio_dev *indio_dev; + int ret; + + indio_dev = iio_device_alloc(sizeof(*chip)); + if (!indio_dev) { + dev_err(&client->dev, "iio allocation fails\n"); + return -ENOMEM; + } + + chip = iio_priv(indio_dev); + + i2c_set_clientdata(client, indio_dev); + chip->dev = &client->dev; + mutex_init(&chip->lock); + + chip->regmap = devm_regmap_init_i2c(client, &isl29028_regmap_config); + if (IS_ERR(chip->regmap)) { + ret = PTR_ERR(chip->regmap); + dev_err(chip->dev, "regmap initialization failed: %d\n", ret); + goto exit_iio_free; + } + + ret = isl29028_chip_init(chip); + if (ret < 0) { + dev_err(chip->dev, "chip initialization failed: %d\n", ret); + goto exit_iio_free; + } + + indio_dev->info = &isl29028_info; + indio_dev->channels = isl29028_channels; + indio_dev->num_channels = ARRAY_SIZE(isl29028_channels); + indio_dev->name = id->name; + indio_dev->dev.parent = &client->dev; + indio_dev->modes = INDIO_DIRECT_MODE; + ret = iio_device_register(indio_dev); + if (ret < 0) { + dev_err(chip->dev, "iio registration fails with error %d\n", + ret); + goto exit_iio_free; + } + return 0; + +exit_iio_free: + iio_device_free(indio_dev); + return ret; +} + +static int __devexit isl29028_remove(struct i2c_client *client) +{ + struct iio_dev *indio_dev = i2c_get_clientdata(client); + + iio_device_unregister(indio_dev); + iio_device_free(indio_dev); + return 0; +} + +static const struct i2c_device_id isl29028_id[] = { + {"isl29028", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, isl29028_id); + +static const struct of_device_id isl29028_of_match[] = { + { .compatible = "isil,isl29028", }, + { }, +}; +MODULE_DEVICE_TABLE(of, isl29028_of_match); + +static struct i2c_driver isl29028_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "isl29028", + .owner = THIS_MODULE, + .of_match_table = isl29028_of_match, + }, + .probe = isl29028_probe, + .remove = __devexit_p(isl29028_remove), + .id_table = isl29028_id, +}; + +module_i2c_driver(isl29028_driver); + +MODULE_DESCRIPTION("ISL29028 Ambient Light and Proximity Sensor driver"); +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>"); diff --git a/drivers/staging/iio/light/tsl2563.c b/drivers/staging/iio/light/tsl2563.c index 546c95a4ea9e..9d740be43a82 100644 --- a/drivers/staging/iio/light/tsl2563.c +++ b/drivers/staging/iio/light/tsl2563.c @@ -35,9 +35,9 @@ #include <linux/err.h> #include <linux/slab.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> #include "tsl2563.h" /* Use this many bits for fraction part. */ @@ -465,7 +465,7 @@ static int tsl2563_write_raw(struct iio_dev *indio_dev, { struct tsl2563_chip *chip = iio_priv(indio_dev); - if (chan->channel == 0) + if (chan->channel == IIO_MOD_LIGHT_BOTH) chip->calib0 = calib_from_sysfs(val); else chip->calib1 = calib_from_sysfs(val); @@ -485,7 +485,8 @@ static int tsl2563_read_raw(struct iio_dev *indio_dev, mutex_lock(&chip->lock); switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: + case IIO_CHAN_INFO_PROCESSED: switch (chan->type) { case IIO_LIGHT: ret = tsl2563_get_adc(chip); @@ -534,12 +535,14 @@ static const struct iio_chan_spec tsl2563_channels[] = { { .type = IIO_LIGHT, .indexed = 1, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT, .channel = 0, }, { .type = IIO_INTENSITY, .modified = 1, .channel2 = IIO_MOD_LIGHT_BOTH, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, .event_mask = (IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) | IIO_EV_BIT(IIO_EV_TYPE_THRESH, @@ -548,7 +551,8 @@ static const struct iio_chan_spec tsl2563_channels[] = { .type = IIO_INTENSITY, .modified = 1, .channel2 = IIO_MOD_LIGHT_IR, - .info_mask = IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, } }; @@ -710,7 +714,7 @@ static int __devinit tsl2563_probe(struct i2c_client *client, int err = 0; u8 id = 0; - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (!indio_dev) return -ENOMEM; @@ -797,7 +801,7 @@ fail2: if (client->irq) free_irq(client->irq, indio_dev); fail1: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return err; } @@ -818,7 +822,7 @@ static int tsl2563_remove(struct i2c_client *client) if (client->irq) free_irq(client->irq, indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c index 8671d98e0448..5ff391e8c18b 100644 --- a/drivers/staging/iio/light/tsl2583.c +++ b/drivers/staging/iio/light/tsl2583.c @@ -28,7 +28,7 @@ #include <linux/unistd.h> #include <linux/slab.h> #include <linux/module.h> -#include "../iio.h" +#include <linux/iio/iio.h> #define TSL258X_MAX_DEVICE_REGS 32 @@ -815,7 +815,7 @@ static int __devinit taos_probe(struct i2c_client *clientp, return -EOPNOTSUPP; } - indio_dev = iio_allocate_device(sizeof(*chip)); + indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { ret = -ENOMEM; dev_err(&clientp->dev, "iio allocation failed\n"); @@ -879,7 +879,7 @@ static int __devinit taos_probe(struct i2c_client *clientp, dev_info(&clientp->dev, "Light sensor found.\n"); return 0; fail1: - iio_free_device(indio_dev); + iio_device_free(indio_dev); fail2: return ret; } @@ -926,7 +926,7 @@ static SIMPLE_DEV_PM_OPS(taos_pm_ops, taos_suspend, taos_resume); static int __devexit taos_remove(struct i2c_client *client) { iio_device_unregister(i2c_get_clientdata(client)); - iio_free_device(i2c_get_clientdata(client)); + iio_device_free(i2c_get_clientdata(client)); return 0; } diff --git a/drivers/staging/iio/light/tsl2x7x.h b/drivers/staging/iio/light/tsl2x7x.h new file mode 100755 index 000000000000..c4acf5ff1794 --- /dev/null +++ b/drivers/staging/iio/light/tsl2x7x.h @@ -0,0 +1,100 @@ +/* + * Device driver for monitoring ambient light intensity (lux) + * and proximity (prox) within the TAOS TSL2X7X family of devices. + * + * Copyright (c) 2012, TAOS Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __TSL2X7X_H +#define __TSL2X7X_H +#include <linux/pm.h> + +/* Max number of segments allowable in LUX table */ +#define TSL2X7X_MAX_LUX_TABLE_SIZE 9 +#define MAX_DEFAULT_TABLE_BYTES (sizeof(int) * TSL2X7X_MAX_LUX_TABLE_SIZE) + +struct iio_dev; + +struct tsl2x7x_lux { + unsigned int ratio; + unsigned int ch0; + unsigned int ch1; +}; + +/** + * struct tsl2x7x_default_settings - power on defaults unless + * overridden by platform data. + * @als_time: ALS Integration time - multiple of 50mS + * @als_gain: Index into the ALS gain table. + * @als_gain_trim: default gain trim to account for + * aperture effects. + * @wait_time: Time between PRX and ALS cycles + * in 2.7 periods + * @prx_time: 5.2ms prox integration time - + * decrease in 2.7ms periods + * @prx_gain: Proximity gain index + * @prox_config: Prox configuration filters. + * @als_cal_target: Known external ALS reading for + * calibration. + * @interrupts_en: Enable/Disable - 0x00 = none, 0x10 = als, + * 0x20 = prx, 0x30 = bth + * @persistence: H/W Filters, Number of 'out of limits' + * ADC readings PRX/ALS. + * @als_thresh_low: CH0 'low' count to trigger interrupt. + * @als_thresh_high: CH0 'high' count to trigger interrupt. + * @prox_thres_low: Low threshold proximity detection. + * @prox_thres_high: High threshold proximity detection + * @prox_pulse_count: Number if proximity emitter pulses + * @prox_max_samples_cal: Used for prox cal. + */ +struct tsl2x7x_settings { + int als_time; + int als_gain; + int als_gain_trim; + int wait_time; + int prx_time; + int prox_gain; + int prox_config; + int als_cal_target; + u8 interrupts_en; + u8 persistence; + int als_thresh_low; + int als_thresh_high; + int prox_thres_low; + int prox_thres_high; + int prox_pulse_count; + int prox_max_samples_cal; +}; + +/** + * struct tsl2X7X_platform_data - Platform callback, glass and defaults + * @platform_power: Suspend/resume platform callback + * @power_on: Power on callback + * @power_off: Power off callback + * @platform_lux_table: Device specific glass coefficents + * @platform_default_settings: Device specific power on defaults + * + */ +struct tsl2X7X_platform_data { + int (*platform_power)(struct device *dev, pm_message_t); + int (*power_on) (struct iio_dev *indio_dev); + int (*power_off) (struct i2c_client *dev); + struct tsl2x7x_lux platform_lux_table[TSL2X7X_MAX_LUX_TABLE_SIZE]; + struct tsl2x7x_settings *platform_default_settings; +}; + +#endif /* __TSL2X7X_H */ diff --git a/drivers/staging/iio/light/tsl2x7x_core.c b/drivers/staging/iio/light/tsl2x7x_core.c new file mode 100755 index 000000000000..efbc4d27e794 --- /dev/null +++ b/drivers/staging/iio/light/tsl2x7x_core.c @@ -0,0 +1,2082 @@ +/* + * Device driver for monitoring ambient light intensity in (lux) + * and proximity detection (prox) within the TAOS TSL2X7X family of devices. + * + * Copyright (c) 2012, TAOS Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <linux/kernel.h> +#include <linux/i2c.h> +#include <linux/errno.h> +#include <linux/delay.h> +#include <linux/mutex.h> +#include <linux/interrupt.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/version.h> +#include <linux/iio/events.h> +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include "tsl2x7x.h" + +/* Cal defs*/ +#define PROX_STAT_CAL 0 +#define PROX_STAT_SAMP 1 +#define MAX_SAMPLES_CAL 200 + +/* TSL2X7X Device ID */ +#define TRITON_ID 0x00 +#define SWORDFISH_ID 0x30 +#define HALIBUT_ID 0x20 + +/* Lux calculation constants */ +#define TSL2X7X_LUX_CALC_OVER_FLOW 65535 + +/* TAOS Register definitions - note: + * depending on device, some of these register are not used and the + * register address is benign. + */ +/* 2X7X register offsets */ +#define TSL2X7X_MAX_CONFIG_REG 16 + +/* Device Registers and Masks */ +#define TSL2X7X_CNTRL 0x00 +#define TSL2X7X_ALS_TIME 0X01 +#define TSL2X7X_PRX_TIME 0x02 +#define TSL2X7X_WAIT_TIME 0x03 +#define TSL2X7X_ALS_MINTHRESHLO 0X04 +#define TSL2X7X_ALS_MINTHRESHHI 0X05 +#define TSL2X7X_ALS_MAXTHRESHLO 0X06 +#define TSL2X7X_ALS_MAXTHRESHHI 0X07 +#define TSL2X7X_PRX_MINTHRESHLO 0X08 +#define TSL2X7X_PRX_MINTHRESHHI 0X09 +#define TSL2X7X_PRX_MAXTHRESHLO 0X0A +#define TSL2X7X_PRX_MAXTHRESHHI 0X0B +#define TSL2X7X_PERSISTENCE 0x0C +#define TSL2X7X_PRX_CONFIG 0x0D +#define TSL2X7X_PRX_COUNT 0x0E +#define TSL2X7X_GAIN 0x0F +#define TSL2X7X_NOTUSED 0x10 +#define TSL2X7X_REVID 0x11 +#define TSL2X7X_CHIPID 0x12 +#define TSL2X7X_STATUS 0x13 +#define TSL2X7X_ALS_CHAN0LO 0x14 +#define TSL2X7X_ALS_CHAN0HI 0x15 +#define TSL2X7X_ALS_CHAN1LO 0x16 +#define TSL2X7X_ALS_CHAN1HI 0x17 +#define TSL2X7X_PRX_LO 0x18 +#define TSL2X7X_PRX_HI 0x19 + +/* tsl2X7X cmd reg masks */ +#define TSL2X7X_CMD_REG 0x80 +#define TSL2X7X_CMD_SPL_FN 0x60 + +#define TSL2X7X_CMD_PROX_INT_CLR 0X05 +#define TSL2X7X_CMD_ALS_INT_CLR 0x06 +#define TSL2X7X_CMD_PROXALS_INT_CLR 0X07 + +/* tsl2X7X cntrl reg masks */ +#define TSL2X7X_CNTL_ADC_ENBL 0x02 +#define TSL2X7X_CNTL_PWR_ON 0x01 + +/* tsl2X7X status reg masks */ +#define TSL2X7X_STA_ADC_VALID 0x01 +#define TSL2X7X_STA_PRX_VALID 0x02 +#define TSL2X7X_STA_ADC_PRX_VALID (TSL2X7X_STA_ADC_VALID |\ + TSL2X7X_STA_PRX_VALID) +#define TSL2X7X_STA_ALS_INTR 0x10 +#define TSL2X7X_STA_PRX_INTR 0x20 + +/* tsl2X7X cntrl reg masks */ +#define TSL2X7X_CNTL_REG_CLEAR 0x00 +#define TSL2X7X_CNTL_PROX_INT_ENBL 0X20 +#define TSL2X7X_CNTL_ALS_INT_ENBL 0X10 +#define TSL2X7X_CNTL_WAIT_TMR_ENBL 0X08 +#define TSL2X7X_CNTL_PROX_DET_ENBL 0X04 +#define TSL2X7X_CNTL_PWRON 0x01 +#define TSL2X7X_CNTL_ALSPON_ENBL 0x03 +#define TSL2X7X_CNTL_INTALSPON_ENBL 0x13 +#define TSL2X7X_CNTL_PROXPON_ENBL 0x0F +#define TSL2X7X_CNTL_INTPROXPON_ENBL 0x2F + +/*Prox diode to use */ +#define TSL2X7X_DIODE0 0x10 +#define TSL2X7X_DIODE1 0x20 +#define TSL2X7X_DIODE_BOTH 0x30 + +/* LED Power */ +#define TSL2X7X_mA100 0x00 +#define TSL2X7X_mA50 0x40 +#define TSL2X7X_mA25 0x80 +#define TSL2X7X_mA13 0xD0 +#define TSL2X7X_MAX_TIMER_CNT (0xFF) + +/*Common device IIO EventMask */ +#define TSL2X7X_EVENT_MASK \ + (IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) | \ + IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING)), + +#define TSL2X7X_MIN_ITIME 3 + +/* TAOS txx2x7x Device family members */ +enum { + tsl2571, + tsl2671, + tmd2671, + tsl2771, + tmd2771, + tsl2572, + tsl2672, + tmd2672, + tsl2772, + tmd2772 +}; + +enum { + TSL2X7X_CHIP_UNKNOWN = 0, + TSL2X7X_CHIP_WORKING = 1, + TSL2X7X_CHIP_SUSPENDED = 2 +}; + +struct tsl2x7x_parse_result { + int integer; + int fract; +}; + +/* Per-device data */ +struct tsl2x7x_als_info { + u16 als_ch0; + u16 als_ch1; + u16 lux; +}; + +struct tsl2x7x_prox_stat { + int min; + int max; + int mean; + unsigned long stddev; +}; + +struct tsl2x7x_chip_info { + int chan_table_elements; + struct iio_chan_spec channel[4]; + const struct iio_info *info; +}; + +struct tsl2X7X_chip { + kernel_ulong_t id; + struct mutex prox_mutex; + struct mutex als_mutex; + struct i2c_client *client; + u16 prox_data; + struct tsl2x7x_als_info als_cur_info; + struct tsl2x7x_settings tsl2x7x_settings; + struct tsl2X7X_platform_data *pdata; + int als_time_scale; + int als_saturation; + int tsl2x7x_chip_status; + u8 tsl2x7x_config[TSL2X7X_MAX_CONFIG_REG]; + const struct tsl2x7x_chip_info *chip_info; + const struct iio_info *info; + s64 event_timestamp; + /* This structure is intentionally large to accommodate + * updates via sysfs. */ + /* Sized to 9 = max 8 segments + 1 termination segment */ + struct tsl2x7x_lux tsl2x7x_device_lux[TSL2X7X_MAX_LUX_TABLE_SIZE]; +}; + +/* Different devices require different coefficents */ +static const struct tsl2x7x_lux tsl2x71_lux_table[] = { + { 14461, 611, 1211 }, + { 18540, 352, 623 }, + { 0, 0, 0 }, +}; + +static const struct tsl2x7x_lux tmd2x71_lux_table[] = { + { 11635, 115, 256 }, + { 15536, 87, 179 }, + { 0, 0, 0 }, +}; + +static const struct tsl2x7x_lux tsl2x72_lux_table[] = { + { 14013, 466, 917 }, + { 18222, 310, 552 }, + { 0, 0, 0 }, +}; + +static const struct tsl2x7x_lux tmd2x72_lux_table[] = { + { 13218, 130, 262 }, + { 17592, 92, 169 }, + { 0, 0, 0 }, +}; + +static const struct tsl2x7x_lux *tsl2x7x_default_lux_table_group[] = { + [tsl2571] = tsl2x71_lux_table, + [tsl2671] = tsl2x71_lux_table, + [tmd2671] = tmd2x71_lux_table, + [tsl2771] = tsl2x71_lux_table, + [tmd2771] = tmd2x71_lux_table, + [tsl2572] = tsl2x72_lux_table, + [tsl2672] = tsl2x72_lux_table, + [tmd2672] = tmd2x72_lux_table, + [tsl2772] = tsl2x72_lux_table, + [tmd2772] = tmd2x72_lux_table, +}; + +static const struct tsl2x7x_settings tsl2x7x_default_settings = { + .als_time = 219, /* 101 ms */ + .als_gain = 0, + .prx_time = 254, /* 5.4 ms */ + .prox_gain = 1, + .wait_time = 245, + .prox_config = 0, + .als_gain_trim = 1000, + .als_cal_target = 150, + .als_thresh_low = 200, + .als_thresh_high = 256, + .persistence = 255, + .interrupts_en = 0, + .prox_thres_low = 0, + .prox_thres_high = 512, + .prox_max_samples_cal = 30, + .prox_pulse_count = 8 +}; + +static const s16 tsl2X7X_als_gainadj[] = { + 1, + 8, + 16, + 120 +}; + +static const s16 tsl2X7X_prx_gainadj[] = { + 1, + 2, + 4, + 8 +}; + +/* Channel variations */ +enum { + ALS, + PRX, + ALSPRX, + PRX2, + ALSPRX2, +}; + +static const u8 device_channel_config[] = { + ALS, + PRX, + PRX, + ALSPRX, + ALSPRX, + ALS, + PRX2, + PRX2, + ALSPRX2, + ALSPRX2 +}; + +/** + * tsl2x7x_parse_buffer() - parse a decimal result from a buffer. + * @*buf: pointer to char buffer to parse + * @*result: pointer to buffer to contain + * resulting interger / decimal as ints. + * + */ +static int +tsl2x7x_parse_buffer(const char *buf, struct tsl2x7x_parse_result *result) +{ + int integer = 0, fract = 0, fract_mult = 100000; + bool integer_part = true, negative = false; + + if (buf[0] == '-') { + negative = true; + buf++; + } + + while (*buf) { + if ('0' <= *buf && *buf <= '9') { + if (integer_part) + integer = integer*10 + *buf - '0'; + else { + fract += fract_mult*(*buf - '0'); + if (fract_mult == 1) + break; + fract_mult /= 10; + } + } else if (*buf == '\n') { + if (*(buf + 1) == '\0') + break; + else + return -EINVAL; + } else if (*buf == '.') { + integer_part = false; + } else { + return -EINVAL; + } + buf++; + } + if (negative) { + if (integer) + integer = -integer; + else + fract = -fract; + } + + result->integer = integer; + result->fract = fract; + + return 0; +} + +/** + * tsl2x7x_i2c_read() - Read a byte from a register. + * @client: i2c client + * @reg: device register to read from + * @*val: pointer to location to store register contents. + * + */ +static int +tsl2x7x_i2c_read(struct i2c_client *client, u8 reg, u8 *val) +{ + int ret = 0; + + /* select register to write */ + ret = i2c_smbus_write_byte(client, (TSL2X7X_CMD_REG | reg)); + if (ret < 0) { + dev_err(&client->dev, "%s: failed to write register %x\n" + , __func__, reg); + return ret; + } + + /* read the data */ + ret = i2c_smbus_read_byte(client); + if (ret >= 0) + *val = (u8)ret; + else + dev_err(&client->dev, "%s: failed to read register %x\n" + , __func__, reg); + + return ret; +} + +/** + * tsl2x7x_get_lux() - Reads and calculates current lux value. + * @indio_dev: pointer to IIO device + * + * The raw ch0 and ch1 values of the ambient light sensed in the last + * integration cycle are read from the device. + * Time scale factor array values are adjusted based on the integration time. + * The raw values are multiplied by a scale factor, and device gain is obtained + * using gain index. Limit checks are done next, then the ratio of a multiple + * of ch1 value, to the ch0 value, is calculated. Array tsl2x7x_device_lux[] + * is then scanned to find the first ratio value that is just above the ratio + * we just calculated. The ch0 and ch1 multiplier constants in the array are + * then used along with the time scale factor array values, to calculate the + * lux. + */ +static int tsl2x7x_get_lux(struct iio_dev *indio_dev) +{ + u16 ch0, ch1; /* separated ch0/ch1 data from device */ + u32 lux; /* raw lux calculated from device data */ + u64 lux64; + u32 ratio; + u8 buf[4]; + struct tsl2x7x_lux *p; + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + int i, ret; + u32 ch0lux = 0; + u32 ch1lux = 0; + + if (mutex_trylock(&chip->als_mutex) == 0) + return chip->als_cur_info.lux; /* busy, so return LAST VALUE */ + + if (chip->tsl2x7x_chip_status != TSL2X7X_CHIP_WORKING) { + /* device is not enabled */ + dev_err(&chip->client->dev, "%s: device is not enabled\n", + __func__); + ret = -EBUSY ; + goto out_unlock; + } + + ret = tsl2x7x_i2c_read(chip->client, + (TSL2X7X_CMD_REG | TSL2X7X_STATUS), &buf[0]); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: Failed to read STATUS Reg\n", __func__); + goto out_unlock; + } + /* is data new & valid */ + if (!(buf[0] & TSL2X7X_STA_ADC_VALID)) { + dev_err(&chip->client->dev, + "%s: data not valid yet\n", __func__); + ret = chip->als_cur_info.lux; /* return LAST VALUE */ + goto out_unlock; + } + + for (i = 0; i < 4; i++) { + ret = tsl2x7x_i2c_read(chip->client, + (TSL2X7X_CMD_REG | (TSL2X7X_ALS_CHAN0LO + i)), + &buf[i]); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: failed to read. err=%x\n", __func__, ret); + goto out_unlock; + } + } + + /* clear any existing interrupt status */ + ret = i2c_smbus_write_byte(chip->client, + (TSL2X7X_CMD_REG | + TSL2X7X_CMD_SPL_FN | + TSL2X7X_CMD_ALS_INT_CLR)); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: i2c_write_command failed - err = %d\n", + __func__, ret); + goto out_unlock; /* have no data, so return failure */ + } + + /* extract ALS/lux data */ + ch0 = le16_to_cpup((const __le16 *)&buf[0]); + ch1 = le16_to_cpup((const __le16 *)&buf[2]); + + chip->als_cur_info.als_ch0 = ch0; + chip->als_cur_info.als_ch1 = ch1; + + if ((ch0 >= chip->als_saturation) || (ch1 >= chip->als_saturation)) { + lux = TSL2X7X_LUX_CALC_OVER_FLOW; + goto return_max; + } + + if (ch0 == 0) { + /* have no data, so return LAST VALUE */ + ret = chip->als_cur_info.lux; + goto out_unlock; + } + /* calculate ratio */ + ratio = (ch1 << 15) / ch0; + /* convert to unscaled lux using the pointer to the table */ + p = (struct tsl2x7x_lux *) chip->tsl2x7x_device_lux; + while (p->ratio != 0 && p->ratio < ratio) + p++; + + if (p->ratio == 0) { + lux = 0; + } else { + ch0lux = DIV_ROUND_UP((ch0 * p->ch0), + tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]); + ch1lux = DIV_ROUND_UP((ch1 * p->ch1), + tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]); + lux = ch0lux - ch1lux; + } + + /* note: lux is 31 bit max at this point */ + if (ch1lux > ch0lux) { + dev_dbg(&chip->client->dev, "ch1lux > ch0lux-return last value\n"); + ret = chip->als_cur_info.lux; + goto out_unlock; + } + + /* adjust for active time scale */ + if (chip->als_time_scale == 0) + lux = 0; + else + lux = (lux + (chip->als_time_scale >> 1)) / + chip->als_time_scale; + + /* adjust for active gain scale + * The tsl2x7x_device_lux tables have a factor of 256 built-in. + * User-specified gain provides a multiplier. + * Apply user-specified gain before shifting right to retain precision. + * Use 64 bits to avoid overflow on multiplication. + * Then go back to 32 bits before division to avoid using div_u64(). + */ + + lux64 = lux; + lux64 = lux64 * chip->tsl2x7x_settings.als_gain_trim; + lux64 >>= 8; + lux = lux64; + lux = (lux + 500) / 1000; + + if (lux > TSL2X7X_LUX_CALC_OVER_FLOW) /* check for overflow */ + lux = TSL2X7X_LUX_CALC_OVER_FLOW; + + /* Update the structure with the latest lux. */ +return_max: + chip->als_cur_info.lux = lux; + ret = lux; + +out_unlock: + mutex_unlock(&chip->als_mutex); + + return ret; +} + +/** + * tsl2x7x_get_prox() - Reads proximity data registers and updates + * chip->prox_data. + * + * @indio_dev: pointer to IIO device + */ +static int tsl2x7x_get_prox(struct iio_dev *indio_dev) +{ + int i; + int ret; + u8 status; + u8 chdata[2]; + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + + if (mutex_trylock(&chip->prox_mutex) == 0) { + dev_err(&chip->client->dev, + "%s: Can't get prox mutex\n", __func__); + return -EBUSY; + } + + ret = tsl2x7x_i2c_read(chip->client, + (TSL2X7X_CMD_REG | TSL2X7X_STATUS), &status); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: i2c err=%d\n", __func__, ret); + goto prox_poll_err; + } + + switch (chip->id) { + case tsl2571: + case tsl2671: + case tmd2671: + case tsl2771: + case tmd2771: + if (!(status & TSL2X7X_STA_ADC_VALID)) + goto prox_poll_err; + break; + case tsl2572: + case tsl2672: + case tmd2672: + case tsl2772: + case tmd2772: + if (!(status & TSL2X7X_STA_PRX_VALID)) + goto prox_poll_err; + break; + } + + for (i = 0; i < 2; i++) { + ret = tsl2x7x_i2c_read(chip->client, + (TSL2X7X_CMD_REG | + (TSL2X7X_PRX_LO + i)), &chdata[i]); + if (ret < 0) + goto prox_poll_err; + } + + chip->prox_data = + le16_to_cpup((const __le16 *)&chdata[0]); + +prox_poll_err: + + mutex_unlock(&chip->prox_mutex); + + return chip->prox_data; +} + +/** + * tsl2x7x_defaults() - Populates the device nominal operating parameters + * with those provided by a 'platform' data struct or + * with prefined defaults. + * + * @chip: pointer to device structure. + */ +static void tsl2x7x_defaults(struct tsl2X7X_chip *chip) +{ + /* If Operational settings defined elsewhere.. */ + if (chip->pdata && chip->pdata->platform_default_settings != 0) + memcpy(&(chip->tsl2x7x_settings), + chip->pdata->platform_default_settings, + sizeof(tsl2x7x_default_settings)); + else + memcpy(&(chip->tsl2x7x_settings), + &tsl2x7x_default_settings, + sizeof(tsl2x7x_default_settings)); + + /* Load up the proper lux table. */ + if (chip->pdata && chip->pdata->platform_lux_table[0].ratio != 0) + memcpy(chip->tsl2x7x_device_lux, + chip->pdata->platform_lux_table, + sizeof(chip->pdata->platform_lux_table)); + else + memcpy(chip->tsl2x7x_device_lux, + (struct tsl2x7x_lux *)tsl2x7x_default_lux_table_group[chip->id], + MAX_DEFAULT_TABLE_BYTES); +} + +/** + * tsl2x7x_als_calibrate() - Obtain single reading and calculate + * the als_gain_trim. + * + * @indio_dev: pointer to IIO device + */ +static int tsl2x7x_als_calibrate(struct iio_dev *indio_dev) +{ + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + u8 reg_val; + int gain_trim_val; + int ret; + int lux_val; + + ret = i2c_smbus_write_byte(chip->client, + (TSL2X7X_CMD_REG | TSL2X7X_CNTRL)); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: failed to write CNTRL register, ret=%d\n", + __func__, ret); + return ret; + } + + reg_val = i2c_smbus_read_byte(chip->client); + if ((reg_val & (TSL2X7X_CNTL_ADC_ENBL | TSL2X7X_CNTL_PWR_ON)) + != (TSL2X7X_CNTL_ADC_ENBL | TSL2X7X_CNTL_PWR_ON)) { + dev_err(&chip->client->dev, + "%s: failed: ADC not enabled\n", __func__); + return -1; + } + + ret = i2c_smbus_write_byte(chip->client, + (TSL2X7X_CMD_REG | TSL2X7X_CNTRL)); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: failed to write ctrl reg: ret=%d\n", + __func__, ret); + return ret; + } + + reg_val = i2c_smbus_read_byte(chip->client); + if ((reg_val & TSL2X7X_STA_ADC_VALID) != TSL2X7X_STA_ADC_VALID) { + dev_err(&chip->client->dev, + "%s: failed: STATUS - ADC not valid.\n", __func__); + return -ENODATA; + } + + lux_val = tsl2x7x_get_lux(indio_dev); + if (lux_val < 0) { + dev_err(&chip->client->dev, + "%s: failed to get lux\n", __func__); + return lux_val; + } + + gain_trim_val = (((chip->tsl2x7x_settings.als_cal_target) + * chip->tsl2x7x_settings.als_gain_trim) / lux_val); + if ((gain_trim_val < 250) || (gain_trim_val > 4000)) + return -ERANGE; + + chip->tsl2x7x_settings.als_gain_trim = gain_trim_val; + dev_info(&chip->client->dev, + "%s als_calibrate completed\n", chip->client->name); + + return (int) gain_trim_val; +} + +static int tsl2x7x_chip_on(struct iio_dev *indio_dev) +{ + int i; + int ret = 0; + u8 *dev_reg; + u8 utmp; + int als_count; + int als_time; + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + u8 reg_val = 0; + + if (chip->pdata && chip->pdata->power_on) + chip->pdata->power_on(indio_dev); + + /* Non calculated parameters */ + chip->tsl2x7x_config[TSL2X7X_PRX_TIME] = + chip->tsl2x7x_settings.prx_time; + chip->tsl2x7x_config[TSL2X7X_WAIT_TIME] = + chip->tsl2x7x_settings.wait_time; + chip->tsl2x7x_config[TSL2X7X_PRX_CONFIG] = + chip->tsl2x7x_settings.prox_config; + + chip->tsl2x7x_config[TSL2X7X_ALS_MINTHRESHLO] = + (chip->tsl2x7x_settings.als_thresh_low) & 0xFF; + chip->tsl2x7x_config[TSL2X7X_ALS_MINTHRESHHI] = + (chip->tsl2x7x_settings.als_thresh_low >> 8) & 0xFF; + chip->tsl2x7x_config[TSL2X7X_ALS_MAXTHRESHLO] = + (chip->tsl2x7x_settings.als_thresh_high) & 0xFF; + chip->tsl2x7x_config[TSL2X7X_ALS_MAXTHRESHHI] = + (chip->tsl2x7x_settings.als_thresh_high >> 8) & 0xFF; + chip->tsl2x7x_config[TSL2X7X_PERSISTENCE] = + chip->tsl2x7x_settings.persistence; + + chip->tsl2x7x_config[TSL2X7X_PRX_COUNT] = + chip->tsl2x7x_settings.prox_pulse_count; + chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHLO] = + chip->tsl2x7x_settings.prox_thres_low; + chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHLO] = + chip->tsl2x7x_settings.prox_thres_high; + + /* and make sure we're not already on */ + if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) { + /* if forcing a register update - turn off, then on */ + dev_info(&chip->client->dev, "device is already enabled\n"); + return -EINVAL; + } + + /* determine als integration regster */ + als_count = (chip->tsl2x7x_settings.als_time * 100 + 135) / 270; + if (als_count == 0) + als_count = 1; /* ensure at least one cycle */ + + /* convert back to time (encompasses overrides) */ + als_time = (als_count * 27 + 5) / 10; + chip->tsl2x7x_config[TSL2X7X_ALS_TIME] = 256 - als_count; + + /* Set the gain based on tsl2x7x_settings struct */ + chip->tsl2x7x_config[TSL2X7X_GAIN] = + (chip->tsl2x7x_settings.als_gain | + (TSL2X7X_mA100 | TSL2X7X_DIODE1) + | ((chip->tsl2x7x_settings.prox_gain) << 2)); + + /* set chip struct re scaling and saturation */ + chip->als_saturation = als_count * 922; /* 90% of full scale */ + chip->als_time_scale = (als_time + 25) / 50; + + /* TSL2X7X Specific power-on / adc enable sequence + * Power on the device 1st. */ + utmp = TSL2X7X_CNTL_PWR_ON; + ret = i2c_smbus_write_byte_data(chip->client, + TSL2X7X_CMD_REG | TSL2X7X_CNTRL, utmp); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: failed on CNTRL reg.\n", __func__); + return ret; + } + + /* Use the following shadow copy for our delay before enabling ADC. + * Write all the registers. */ + for (i = 0, dev_reg = chip->tsl2x7x_config; + i < TSL2X7X_MAX_CONFIG_REG; i++) { + ret = i2c_smbus_write_byte_data(chip->client, + TSL2X7X_CMD_REG + i, *dev_reg++); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: failed on write to reg %d.\n", __func__, i); + return ret; + } + } + + mdelay(3); /* Power-on settling time */ + + /* NOW enable the ADC + * initialize the desired mode of operation */ + utmp = TSL2X7X_CNTL_PWR_ON | + TSL2X7X_CNTL_ADC_ENBL | + TSL2X7X_CNTL_PROX_DET_ENBL; + ret = i2c_smbus_write_byte_data(chip->client, + TSL2X7X_CMD_REG | TSL2X7X_CNTRL, utmp); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: failed on 2nd CTRL reg.\n", __func__); + return ret; + } + + chip->tsl2x7x_chip_status = TSL2X7X_CHIP_WORKING; + + if (chip->tsl2x7x_settings.interrupts_en != 0) { + dev_info(&chip->client->dev, "Setting Up Interrupt(s)\n"); + + reg_val = TSL2X7X_CNTL_PWR_ON | TSL2X7X_CNTL_ADC_ENBL; + if ((chip->tsl2x7x_settings.interrupts_en == 0x20) || + (chip->tsl2x7x_settings.interrupts_en == 0x30)) + reg_val |= TSL2X7X_CNTL_PROX_DET_ENBL; + + reg_val |= chip->tsl2x7x_settings.interrupts_en; + ret = i2c_smbus_write_byte_data(chip->client, + (TSL2X7X_CMD_REG | TSL2X7X_CNTRL), reg_val); + if (ret < 0) + dev_err(&chip->client->dev, + "%s: failed in tsl2x7x_IOCTL_INT_SET.\n", + __func__); + + /* Clear out any initial interrupts */ + ret = i2c_smbus_write_byte(chip->client, + TSL2X7X_CMD_REG | TSL2X7X_CMD_SPL_FN | + TSL2X7X_CMD_PROXALS_INT_CLR); + if (ret < 0) { + dev_err(&chip->client->dev, + "%s: Failed to clear Int status\n", + __func__); + return ret; + } + } + + return ret; +} + +static int tsl2x7x_chip_off(struct iio_dev *indio_dev) +{ + int ret; + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + + /* turn device off */ + chip->tsl2x7x_chip_status = TSL2X7X_CHIP_SUSPENDED; + + ret = i2c_smbus_write_byte_data(chip->client, + TSL2X7X_CMD_REG | TSL2X7X_CNTRL, 0x00); + + if (chip->pdata && chip->pdata->power_off) + chip->pdata->power_off(chip->client); + + return ret; +} + +/** + * tsl2x7x_invoke_change + * @indio_dev: pointer to IIO device + * + * Obtain and lock both ALS and PROX resources, + * determine and save device state (On/Off), + * cycle device to implement updated parameter, + * put device back into proper state, and unlock + * resource. + */ +static +int tsl2x7x_invoke_change(struct iio_dev *indio_dev) +{ + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + int device_status = chip->tsl2x7x_chip_status; + + mutex_lock(&chip->als_mutex); + mutex_lock(&chip->prox_mutex); + + if (device_status == TSL2X7X_CHIP_WORKING) + tsl2x7x_chip_off(indio_dev); + + tsl2x7x_chip_on(indio_dev); + + if (device_status != TSL2X7X_CHIP_WORKING) + tsl2x7x_chip_off(indio_dev); + + mutex_unlock(&chip->prox_mutex); + mutex_unlock(&chip->als_mutex); + + return 0; +} + +static +void tsl2x7x_prox_calculate(int *data, int length, + struct tsl2x7x_prox_stat *statP) +{ + int i; + int sample_sum; + int tmp; + + if (length == 0) + length = 1; + + sample_sum = 0; + statP->min = INT_MAX; + statP->max = INT_MIN; + for (i = 0; i < length; i++) { + sample_sum += data[i]; + statP->min = min(statP->min, data[i]); + statP->max = max(statP->max, data[i]); + } + + statP->mean = sample_sum / length; + sample_sum = 0; + for (i = 0; i < length; i++) { + tmp = data[i] - statP->mean; + sample_sum += tmp * tmp; + } + statP->stddev = int_sqrt((long)sample_sum)/length; +} + +/** + * tsl2x7x_prox_cal() - Calculates std. and sets thresholds. + * @indio_dev: pointer to IIO device + * + * Calculates a standard deviation based on the samples, + * and sets the threshold accordingly. + */ +static void tsl2x7x_prox_cal(struct iio_dev *indio_dev) +{ + int prox_history[MAX_SAMPLES_CAL + 1]; + int i; + struct tsl2x7x_prox_stat prox_stat_data[2]; + struct tsl2x7x_prox_stat *calP; + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + u8 tmp_irq_settings; + u8 current_state = chip->tsl2x7x_chip_status; + + if (chip->tsl2x7x_settings.prox_max_samples_cal > MAX_SAMPLES_CAL) { + dev_err(&chip->client->dev, + "%s: max prox samples cal is too big: %d\n", + __func__, chip->tsl2x7x_settings.prox_max_samples_cal); + chip->tsl2x7x_settings.prox_max_samples_cal = MAX_SAMPLES_CAL; + } + + /* have to stop to change settings */ + tsl2x7x_chip_off(indio_dev); + + /* Enable proximity detection save just in case prox not wanted yet*/ + tmp_irq_settings = chip->tsl2x7x_settings.interrupts_en; + chip->tsl2x7x_settings.interrupts_en |= TSL2X7X_CNTL_PROX_INT_ENBL; + + /*turn on device if not already on*/ + tsl2x7x_chip_on(indio_dev); + + /*gather the samples*/ + for (i = 0; i < chip->tsl2x7x_settings.prox_max_samples_cal; i++) { + mdelay(15); + tsl2x7x_get_prox(indio_dev); + prox_history[i] = chip->prox_data; + dev_info(&chip->client->dev, "2 i=%d prox data= %d\n", + i, chip->prox_data); + } + + tsl2x7x_chip_off(indio_dev); + calP = &prox_stat_data[PROX_STAT_CAL]; + tsl2x7x_prox_calculate(prox_history, + chip->tsl2x7x_settings.prox_max_samples_cal, calP); + chip->tsl2x7x_settings.prox_thres_high = (calP->max << 1) - calP->mean; + + dev_info(&chip->client->dev, " cal min=%d mean=%d max=%d\n", + calP->min, calP->mean, calP->max); + dev_info(&chip->client->dev, + "%s proximity threshold set to %d\n", + chip->client->name, chip->tsl2x7x_settings.prox_thres_high); + + /* back to the way they were */ + chip->tsl2x7x_settings.interrupts_en = tmp_irq_settings; + if (current_state == TSL2X7X_CHIP_WORKING) + tsl2x7x_chip_on(indio_dev); +} + +static ssize_t tsl2x7x_power_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + + return snprintf(buf, PAGE_SIZE, "%d\n", chip->tsl2x7x_chip_status); +} + +static ssize_t tsl2x7x_power_state_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + bool value; + + if (strtobool(buf, &value)) + return -EINVAL; + + if (value) + tsl2x7x_chip_on(indio_dev); + else + tsl2x7x_chip_off(indio_dev); + + return len; +} + +static ssize_t tsl2x7x_gain_available_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + + switch (chip->id) { + case tsl2571: + case tsl2671: + case tmd2671: + case tsl2771: + case tmd2771: + return snprintf(buf, PAGE_SIZE, "%s\n", "1 8 16 128"); + break; + } + + return snprintf(buf, PAGE_SIZE, "%s\n", "1 8 16 120"); +} + +static ssize_t tsl2x7x_prox_gain_available_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%s\n", "1 2 4 8"); +} + +static ssize_t tsl2x7x_als_time_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + int y, z; + + y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.als_time) + 1; + z = y * TSL2X7X_MIN_ITIME; + y /= 1000; + z %= 1000; + + return snprintf(buf, PAGE_SIZE, "%d.%03d\n", y, z); +} + +static ssize_t tsl2x7x_als_time_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + struct tsl2x7x_parse_result result; + + result.integer = 0; + result.fract = 0; + + tsl2x7x_parse_buffer(buf, &result); + + result.fract /= 1000; + result.fract /= 3; + chip->tsl2x7x_settings.als_time = + (TSL2X7X_MAX_TIMER_CNT - (u8)result.fract); + + dev_info(&chip->client->dev, "%s: als time = %d", + __func__, chip->tsl2x7x_settings.als_time); + + tsl2x7x_invoke_change(indio_dev); + + return IIO_VAL_INT_PLUS_MICRO; +} + +static IIO_CONST_ATTR(in_illuminance0_integration_time_available, + ".00272 - .696"); + +static ssize_t tsl2x7x_als_cal_target_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + + return snprintf(buf, PAGE_SIZE, "%d\n", + chip->tsl2x7x_settings.als_cal_target); +} + +static ssize_t tsl2x7x_als_cal_target_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + unsigned long value; + + if (kstrtoul(buf, 0, &value)) + return -EINVAL; + + if (value) + chip->tsl2x7x_settings.als_cal_target = value; + + tsl2x7x_invoke_change(indio_dev); + + return len; +} + +/* persistence settings */ +static ssize_t tsl2x7x_als_persistence_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + int y, z, filter_delay; + + /* Determine integration time */ + y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.als_time) + 1; + z = y * TSL2X7X_MIN_ITIME; + filter_delay = z * (chip->tsl2x7x_settings.persistence & 0x0F); + y = (filter_delay / 1000); + z = (filter_delay % 1000); + + return snprintf(buf, PAGE_SIZE, "%d.%03d\n", y, z); +} + +static ssize_t tsl2x7x_als_persistence_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + struct tsl2x7x_parse_result result; + int y, z, filter_delay; + + result.integer = 0; + result.fract = 0; + tsl2x7x_parse_buffer(buf, &result); + + result.fract /= 1000; + y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.als_time) + 1; + z = y * TSL2X7X_MIN_ITIME; + + filter_delay = + DIV_ROUND_UP(((result.integer * 1000) + result.fract), z); + + chip->tsl2x7x_settings.persistence &= 0xF0; + chip->tsl2x7x_settings.persistence |= (filter_delay & 0x0F); + + dev_info(&chip->client->dev, "%s: als persistence = %d", + __func__, filter_delay); + + tsl2x7x_invoke_change(indio_dev); + + return IIO_VAL_INT_PLUS_MICRO; +} + +static ssize_t tsl2x7x_prox_persistence_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + int y, z, filter_delay; + + /* Determine integration time */ + y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.prx_time) + 1; + z = y * TSL2X7X_MIN_ITIME; + filter_delay = z * ((chip->tsl2x7x_settings.persistence & 0xF0) >> 4); + y = (filter_delay / 1000); + z = (filter_delay % 1000); + + return snprintf(buf, PAGE_SIZE, "%d.%03d\n", y, z); +} + +static ssize_t tsl2x7x_prox_persistence_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + struct tsl2x7x_parse_result result; + int y, z, filter_delay; + + result.integer = 0; + result.fract = 0; + tsl2x7x_parse_buffer(buf, &result); + + result.fract /= 1000; + y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.prx_time) + 1; + z = y * TSL2X7X_MIN_ITIME; + + filter_delay = + DIV_ROUND_UP(((result.integer * 1000) + result.fract), z); + + chip->tsl2x7x_settings.persistence &= 0x0F; + chip->tsl2x7x_settings.persistence |= ((filter_delay << 4) & 0xF0); + + dev_info(&chip->client->dev, "%s: prox persistence = %d", + __func__, filter_delay); + + tsl2x7x_invoke_change(indio_dev); + + return IIO_VAL_INT_PLUS_MICRO; +} + +static ssize_t tsl2x7x_do_calibrate(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + bool value; + + if (strtobool(buf, &value)) + return -EINVAL; + + if (value) + tsl2x7x_als_calibrate(indio_dev); + + tsl2x7x_invoke_change(indio_dev); + + return len; +} + +static ssize_t tsl2x7x_luxtable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + int i = 0; + int offset = 0; + + while (i < (TSL2X7X_MAX_LUX_TABLE_SIZE * 3)) { + offset += snprintf(buf + offset, PAGE_SIZE, "%d,%d,%d,", + chip->tsl2x7x_device_lux[i].ratio, + chip->tsl2x7x_device_lux[i].ch0, + chip->tsl2x7x_device_lux[i].ch1); + if (chip->tsl2x7x_device_lux[i].ratio == 0) { + /* We just printed the first "0" entry. + * Now get rid of the extra "," and break. */ + offset--; + break; + } + i++; + } + + offset += snprintf(buf + offset, PAGE_SIZE, "\n"); + return offset; +} + +static ssize_t tsl2x7x_luxtable_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct tsl2X7X_chip *chip = iio_priv(dev_get_drvdata(dev)); + int value[ARRAY_SIZE(chip->tsl2x7x_device_lux)*3 + 1]; + int n; + + get_options(buf, ARRAY_SIZE(value), value); + + /* We now have an array of ints starting at value[1], and + * enumerated by value[0]. + * We expect each group of three ints is one table entry, + * and the last table entry is all 0. + */ + n = value[0]; + if ((n % 3) || n < 6 || + n > ((ARRAY_SIZE(chip->tsl2x7x_device_lux) - 1) * 3)) { + dev_info(dev, "LUX TABLE INPUT ERROR 1 Value[0]=%d\n", n); + return -EINVAL; + } + + if ((value[(n - 2)] | value[(n - 1)] | value[n]) != 0) { + dev_info(dev, "LUX TABLE INPUT ERROR 2 Value[0]=%d\n", n); + return -EINVAL; + } + + if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) + tsl2x7x_chip_off(indio_dev); + + /* Zero out the table */ + memset(chip->tsl2x7x_device_lux, 0, sizeof(chip->tsl2x7x_device_lux)); + memcpy(chip->tsl2x7x_device_lux, &value[1], (value[0] * 4)); + + tsl2x7x_invoke_change(indio_dev); + + return len; +} + +static ssize_t tsl2x7x_do_prox_calibrate(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + bool value; + + if (strtobool(buf, &value)) + return -EINVAL; + + if (value) + tsl2x7x_prox_cal(indio_dev); + + tsl2x7x_invoke_change(indio_dev); + + return len; +} + +static int tsl2x7x_read_interrupt_config(struct iio_dev *indio_dev, + u64 event_code) +{ + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + int ret; + + if (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code) == IIO_INTENSITY) + ret = !!(chip->tsl2x7x_settings.interrupts_en & 0x10); + else + ret = !!(chip->tsl2x7x_settings.interrupts_en & 0x20); + + return ret; +} + +static int tsl2x7x_write_interrupt_config(struct iio_dev *indio_dev, + u64 event_code, + int val) +{ + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + + if (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code) == IIO_INTENSITY) { + if (val) + chip->tsl2x7x_settings.interrupts_en |= 0x10; + else + chip->tsl2x7x_settings.interrupts_en &= 0x20; + } else { + if (val) + chip->tsl2x7x_settings.interrupts_en |= 0x20; + else + chip->tsl2x7x_settings.interrupts_en &= 0x10; + } + + tsl2x7x_invoke_change(indio_dev); + + return 0; +} + +static int tsl2x7x_write_thresh(struct iio_dev *indio_dev, + u64 event_code, + int val) +{ + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + + if (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code) == IIO_INTENSITY) { + switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) { + case IIO_EV_DIR_RISING: + chip->tsl2x7x_settings.als_thresh_high = val; + break; + case IIO_EV_DIR_FALLING: + chip->tsl2x7x_settings.als_thresh_low = val; + break; + default: + return -EINVAL; + } + } else { + switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) { + case IIO_EV_DIR_RISING: + chip->tsl2x7x_settings.prox_thres_high = val; + break; + case IIO_EV_DIR_FALLING: + chip->tsl2x7x_settings.prox_thres_low = val; + break; + default: + return -EINVAL; + } + } + + tsl2x7x_invoke_change(indio_dev); + + return 0; +} + +static int tsl2x7x_read_thresh(struct iio_dev *indio_dev, + u64 event_code, + int *val) +{ + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + + if (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code) == IIO_INTENSITY) { + switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) { + case IIO_EV_DIR_RISING: + *val = chip->tsl2x7x_settings.als_thresh_high; + break; + case IIO_EV_DIR_FALLING: + *val = chip->tsl2x7x_settings.als_thresh_low; + break; + default: + return -EINVAL; + } + } else { + switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) { + case IIO_EV_DIR_RISING: + *val = chip->tsl2x7x_settings.prox_thres_high; + break; + case IIO_EV_DIR_FALLING: + *val = chip->tsl2x7x_settings.prox_thres_low; + break; + default: + return -EINVAL; + } + } + + return 0; +} + +static int tsl2x7x_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, + int *val2, + long mask) +{ + int ret = -EINVAL; + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + + switch (mask) { + case IIO_CHAN_INFO_PROCESSED: + switch (chan->type) { + case IIO_LIGHT: + tsl2x7x_get_lux(indio_dev); + *val = chip->als_cur_info.lux; + ret = IIO_VAL_INT; + break; + default: + return -EINVAL; + break; + } + break; + case IIO_CHAN_INFO_RAW: + switch (chan->type) { + case IIO_INTENSITY: + tsl2x7x_get_lux(indio_dev); + if (chan->channel == 0) + *val = chip->als_cur_info.als_ch0; + else + *val = chip->als_cur_info.als_ch1; + ret = IIO_VAL_INT; + break; + case IIO_PROXIMITY: + tsl2x7x_get_prox(indio_dev); + *val = chip->prox_data; + ret = IIO_VAL_INT; + break; + default: + return -EINVAL; + break; + } + break; + case IIO_CHAN_INFO_CALIBSCALE: + if (chan->type == IIO_LIGHT) + *val = + tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]; + else + *val = + tsl2X7X_prx_gainadj[chip->tsl2x7x_settings.prox_gain]; + ret = IIO_VAL_INT; + break; + case IIO_CHAN_INFO_CALIBBIAS: + *val = chip->tsl2x7x_settings.als_gain_trim; + ret = IIO_VAL_INT; + break; + + default: + ret = -EINVAL; + } + + return ret; +} + +static int tsl2x7x_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, + int val2, + long mask) +{ + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + + switch (mask) { + case IIO_CHAN_INFO_CALIBSCALE: + if (chan->type == IIO_INTENSITY) { + switch (val) { + case 1: + chip->tsl2x7x_settings.als_gain = 0; + break; + case 8: + chip->tsl2x7x_settings.als_gain = 1; + break; + case 16: + chip->tsl2x7x_settings.als_gain = 2; + break; + case 120: + switch (chip->id) { + case tsl2572: + case tsl2672: + case tmd2672: + case tsl2772: + case tmd2772: + return -EINVAL; + break; + } + chip->tsl2x7x_settings.als_gain = 3; + break; + case 128: + switch (chip->id) { + case tsl2571: + case tsl2671: + case tmd2671: + case tsl2771: + case tmd2771: + return -EINVAL; + break; + } + chip->tsl2x7x_settings.als_gain = 3; + break; + default: + return -EINVAL; + } + } else { + switch (val) { + case 1: + chip->tsl2x7x_settings.prox_gain = 0; + break; + case 2: + chip->tsl2x7x_settings.prox_gain = 1; + break; + case 4: + chip->tsl2x7x_settings.prox_gain = 2; + break; + case 8: + chip->tsl2x7x_settings.prox_gain = 3; + break; + default: + return -EINVAL; + } + } + break; + case IIO_CHAN_INFO_CALIBBIAS: + chip->tsl2x7x_settings.als_gain_trim = val; + break; + + default: + return -EINVAL; + } + + tsl2x7x_invoke_change(indio_dev); + + return 0; +} + +static DEVICE_ATTR(power_state, S_IRUGO | S_IWUSR, + tsl2x7x_power_state_show, tsl2x7x_power_state_store); + +static DEVICE_ATTR(in_proximity0_calibscale_available, S_IRUGO, + tsl2x7x_prox_gain_available_show, NULL); + +static DEVICE_ATTR(in_illuminance0_calibscale_available, S_IRUGO, + tsl2x7x_gain_available_show, NULL); + +static DEVICE_ATTR(in_illuminance0_integration_time, S_IRUGO | S_IWUSR, + tsl2x7x_als_time_show, tsl2x7x_als_time_store); + +static DEVICE_ATTR(in_illuminance0_target_input, S_IRUGO | S_IWUSR, + tsl2x7x_als_cal_target_show, tsl2x7x_als_cal_target_store); + +static DEVICE_ATTR(in_illuminance0_calibrate, S_IWUSR, NULL, + tsl2x7x_do_calibrate); + +static DEVICE_ATTR(in_proximity0_calibrate, S_IWUSR, NULL, + tsl2x7x_do_prox_calibrate); + +static DEVICE_ATTR(in_illuminance0_lux_table, S_IRUGO | S_IWUSR, + tsl2x7x_luxtable_show, tsl2x7x_luxtable_store); + +static DEVICE_ATTR(in_intensity0_thresh_period, S_IRUGO | S_IWUSR, + tsl2x7x_als_persistence_show, tsl2x7x_als_persistence_store); + +static DEVICE_ATTR(in_proximity0_thresh_period, S_IRUGO | S_IWUSR, + tsl2x7x_prox_persistence_show, tsl2x7x_prox_persistence_store); + +/* Use the default register values to identify the Taos device */ +static int tsl2x7x_device_id(unsigned char *id, int target) +{ + switch (target) { + case tsl2571: + case tsl2671: + case tsl2771: + return ((*id & 0xf0) == TRITON_ID); + break; + case tmd2671: + case tmd2771: + return ((*id & 0xf0) == HALIBUT_ID); + break; + case tsl2572: + case tsl2672: + case tmd2672: + case tsl2772: + case tmd2772: + return ((*id & 0xf0) == SWORDFISH_ID); + break; + } + + return -EINVAL; +} + +static irqreturn_t tsl2x7x_event_handler(int irq, void *private) +{ + struct iio_dev *indio_dev = private; + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + s64 timestamp = iio_get_time_ns(); + int ret; + u8 value; + + value = i2c_smbus_read_byte_data(chip->client, + TSL2X7X_CMD_REG | TSL2X7X_STATUS); + + /* What type of interrupt do we need to process */ + if (value & TSL2X7X_STA_PRX_INTR) { + tsl2x7x_get_prox(indio_dev); /* freshen data for ABI */ + iio_push_event(indio_dev, + IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, + 0, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_EITHER), + timestamp); + } + + if (value & TSL2X7X_STA_ALS_INTR) { + tsl2x7x_get_lux(indio_dev); /* freshen data for ABI */ + iio_push_event(indio_dev, + IIO_UNMOD_EVENT_CODE(IIO_LIGHT, + 0, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_EITHER), + timestamp); + } + /* Clear interrupt now that we have handled it. */ + ret = i2c_smbus_write_byte(chip->client, + TSL2X7X_CMD_REG | TSL2X7X_CMD_SPL_FN | + TSL2X7X_CMD_PROXALS_INT_CLR); + if (ret < 0) + dev_err(&chip->client->dev, + "%s: Failed to clear irq from event handler. err = %d\n", + __func__, ret); + + return IRQ_HANDLED; +} + +static struct attribute *tsl2x7x_ALS_device_attrs[] = { + &dev_attr_power_state.attr, + &dev_attr_in_illuminance0_calibscale_available.attr, + &dev_attr_in_illuminance0_integration_time.attr, + &iio_const_attr_in_illuminance0_integration_time_available\ + .dev_attr.attr, + &dev_attr_in_illuminance0_target_input.attr, + &dev_attr_in_illuminance0_calibrate.attr, + &dev_attr_in_illuminance0_lux_table.attr, + NULL +}; + +static struct attribute *tsl2x7x_PRX_device_attrs[] = { + &dev_attr_power_state.attr, + &dev_attr_in_proximity0_calibrate.attr, + NULL +}; + +static struct attribute *tsl2x7x_ALSPRX_device_attrs[] = { + &dev_attr_power_state.attr, + &dev_attr_in_illuminance0_calibscale_available.attr, + &dev_attr_in_illuminance0_integration_time.attr, + &iio_const_attr_in_illuminance0_integration_time_available\ + .dev_attr.attr, + &dev_attr_in_illuminance0_target_input.attr, + &dev_attr_in_illuminance0_calibrate.attr, + &dev_attr_in_illuminance0_lux_table.attr, + &dev_attr_in_proximity0_calibrate.attr, + NULL +}; + +static struct attribute *tsl2x7x_PRX2_device_attrs[] = { + &dev_attr_power_state.attr, + &dev_attr_in_proximity0_calibrate.attr, + &dev_attr_in_proximity0_calibscale_available.attr, + NULL +}; + +static struct attribute *tsl2x7x_ALSPRX2_device_attrs[] = { + &dev_attr_power_state.attr, + &dev_attr_in_illuminance0_calibscale_available.attr, + &dev_attr_in_illuminance0_integration_time.attr, + &iio_const_attr_in_illuminance0_integration_time_available\ + .dev_attr.attr, + &dev_attr_in_illuminance0_target_input.attr, + &dev_attr_in_illuminance0_calibrate.attr, + &dev_attr_in_illuminance0_lux_table.attr, + &dev_attr_in_proximity0_calibrate.attr, + &dev_attr_in_proximity0_calibscale_available.attr, + NULL +}; + +static struct attribute *tsl2X7X_ALS_event_attrs[] = { + &dev_attr_in_intensity0_thresh_period.attr, + NULL, +}; +static struct attribute *tsl2X7X_PRX_event_attrs[] = { + &dev_attr_in_proximity0_thresh_period.attr, + NULL, +}; + +static struct attribute *tsl2X7X_ALSPRX_event_attrs[] = { + &dev_attr_in_intensity0_thresh_period.attr, + &dev_attr_in_proximity0_thresh_period.attr, + NULL, +}; + +static const struct attribute_group tsl2X7X_device_attr_group_tbl[] = { + [ALS] = { + .attrs = tsl2x7x_ALS_device_attrs, + }, + [PRX] = { + .attrs = tsl2x7x_PRX_device_attrs, + }, + [ALSPRX] = { + .attrs = tsl2x7x_ALSPRX_device_attrs, + }, + [PRX2] = { + .attrs = tsl2x7x_PRX2_device_attrs, + }, + [ALSPRX2] = { + .attrs = tsl2x7x_ALSPRX2_device_attrs, + }, +}; + +static struct attribute_group tsl2X7X_event_attr_group_tbl[] = { + [ALS] = { + .attrs = tsl2X7X_ALS_event_attrs, + .name = "events", + }, + [PRX] = { + .attrs = tsl2X7X_PRX_event_attrs, + .name = "events", + }, + [ALSPRX] = { + .attrs = tsl2X7X_ALSPRX_event_attrs, + .name = "events", + }, +}; + +static const struct iio_info tsl2X7X_device_info[] = { + [ALS] = { + .attrs = &tsl2X7X_device_attr_group_tbl[ALS], + .event_attrs = &tsl2X7X_event_attr_group_tbl[ALS], + .driver_module = THIS_MODULE, + .read_raw = &tsl2x7x_read_raw, + .write_raw = &tsl2x7x_write_raw, + .read_event_value = &tsl2x7x_read_thresh, + .write_event_value = &tsl2x7x_write_thresh, + .read_event_config = &tsl2x7x_read_interrupt_config, + .write_event_config = &tsl2x7x_write_interrupt_config, + }, + [PRX] = { + .attrs = &tsl2X7X_device_attr_group_tbl[PRX], + .event_attrs = &tsl2X7X_event_attr_group_tbl[PRX], + .driver_module = THIS_MODULE, + .read_raw = &tsl2x7x_read_raw, + .write_raw = &tsl2x7x_write_raw, + .read_event_value = &tsl2x7x_read_thresh, + .write_event_value = &tsl2x7x_write_thresh, + .read_event_config = &tsl2x7x_read_interrupt_config, + .write_event_config = &tsl2x7x_write_interrupt_config, + }, + [ALSPRX] = { + .attrs = &tsl2X7X_device_attr_group_tbl[ALSPRX], + .event_attrs = &tsl2X7X_event_attr_group_tbl[ALSPRX], + .driver_module = THIS_MODULE, + .read_raw = &tsl2x7x_read_raw, + .write_raw = &tsl2x7x_write_raw, + .read_event_value = &tsl2x7x_read_thresh, + .write_event_value = &tsl2x7x_write_thresh, + .read_event_config = &tsl2x7x_read_interrupt_config, + .write_event_config = &tsl2x7x_write_interrupt_config, + }, + [PRX2] = { + .attrs = &tsl2X7X_device_attr_group_tbl[PRX2], + .event_attrs = &tsl2X7X_event_attr_group_tbl[PRX], + .driver_module = THIS_MODULE, + .read_raw = &tsl2x7x_read_raw, + .write_raw = &tsl2x7x_write_raw, + .read_event_value = &tsl2x7x_read_thresh, + .write_event_value = &tsl2x7x_write_thresh, + .read_event_config = &tsl2x7x_read_interrupt_config, + .write_event_config = &tsl2x7x_write_interrupt_config, + }, + [ALSPRX2] = { + .attrs = &tsl2X7X_device_attr_group_tbl[ALSPRX2], + .event_attrs = &tsl2X7X_event_attr_group_tbl[ALSPRX], + .driver_module = THIS_MODULE, + .read_raw = &tsl2x7x_read_raw, + .write_raw = &tsl2x7x_write_raw, + .read_event_value = &tsl2x7x_read_thresh, + .write_event_value = &tsl2x7x_write_thresh, + .read_event_config = &tsl2x7x_read_interrupt_config, + .write_event_config = &tsl2x7x_write_interrupt_config, + }, +}; + +static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { + [ALS] = { + .channel = { + { + .type = IIO_LIGHT, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT, + }, { + .type = IIO_INTENSITY, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .event_mask = TSL2X7X_EVENT_MASK + }, { + .type = IIO_INTENSITY, + .indexed = 1, + .channel = 1, + }, + }, + .chan_table_elements = 3, + .info = &tsl2X7X_device_info[ALS], + }, + [PRX] = { + .channel = { + { + .type = IIO_PROXIMITY, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + .event_mask = TSL2X7X_EVENT_MASK + }, + }, + .chan_table_elements = 1, + .info = &tsl2X7X_device_info[PRX], + }, + [ALSPRX] = { + .channel = { + { + .type = IIO_LIGHT, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT + }, { + .type = IIO_INTENSITY, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .event_mask = TSL2X7X_EVENT_MASK + }, { + .type = IIO_INTENSITY, + .indexed = 1, + .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + }, { + .type = IIO_PROXIMITY, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + .event_mask = TSL2X7X_EVENT_MASK + }, + }, + .chan_table_elements = 4, + .info = &tsl2X7X_device_info[ALSPRX], + }, + [PRX2] = { + .channel = { + { + .type = IIO_PROXIMITY, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, + .event_mask = TSL2X7X_EVENT_MASK + }, + }, + .chan_table_elements = 1, + .info = &tsl2X7X_device_info[PRX2], + }, + [ALSPRX2] = { + .channel = { + { + .type = IIO_LIGHT, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT, + }, { + .type = IIO_INTENSITY, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .event_mask = TSL2X7X_EVENT_MASK + }, { + .type = IIO_INTENSITY, + .indexed = 1, + .channel = 1, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + }, { + .type = IIO_PROXIMITY, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, + .event_mask = TSL2X7X_EVENT_MASK + }, + }, + .chan_table_elements = 4, + .info = &tsl2X7X_device_info[ALSPRX2], + }, +}; + +static int __devinit tsl2x7x_probe(struct i2c_client *clientp, + const struct i2c_device_id *id) +{ + int ret; + unsigned char device_id; + struct iio_dev *indio_dev; + struct tsl2X7X_chip *chip; + + indio_dev = iio_device_alloc(sizeof(*chip)); + if (!indio_dev) + return -ENOMEM; + + chip = iio_priv(indio_dev); + chip->client = clientp; + i2c_set_clientdata(clientp, indio_dev); + + ret = tsl2x7x_i2c_read(chip->client, + TSL2X7X_CHIPID, &device_id); + if (ret < 0) + goto fail1; + + if ((!tsl2x7x_device_id(&device_id, id->driver_data)) || + (tsl2x7x_device_id(&device_id, id->driver_data) == -EINVAL)) { + dev_info(&chip->client->dev, + "%s: i2c device found does not match expected id\n", + __func__); + goto fail1; + } + + ret = i2c_smbus_write_byte(clientp, (TSL2X7X_CMD_REG | TSL2X7X_CNTRL)); + if (ret < 0) { + dev_err(&clientp->dev, "%s: write to cmd reg failed. err = %d\n", + __func__, ret); + goto fail1; + } + + /* ALS and PROX functions can be invoked via user space poll + * or H/W interrupt. If busy return last sample. */ + mutex_init(&chip->als_mutex); + mutex_init(&chip->prox_mutex); + + chip->tsl2x7x_chip_status = TSL2X7X_CHIP_UNKNOWN; + chip->pdata = clientp->dev.platform_data; + chip->id = id->driver_data; + chip->chip_info = + &tsl2x7x_chip_info_tbl[device_channel_config[id->driver_data]]; + + indio_dev->info = chip->chip_info->info; + indio_dev->dev.parent = &clientp->dev; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->name = chip->client->name; + indio_dev->channels = chip->chip_info->channel; + indio_dev->num_channels = chip->chip_info->chan_table_elements; + + if (clientp->irq) { + ret = request_threaded_irq(clientp->irq, + NULL, + &tsl2x7x_event_handler, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + "TSL2X7X_event", + indio_dev); + if (ret) { + dev_err(&clientp->dev, + "%s: irq request failed", __func__); + goto fail2; + } + } + + /* Load up the defaults */ + tsl2x7x_defaults(chip); + /* Make sure the chip is on */ + tsl2x7x_chip_on(indio_dev); + + ret = iio_device_register(indio_dev); + if (ret) { + dev_err(&clientp->dev, + "%s: iio registration failed\n", __func__); + goto fail1; + } + + dev_info(&clientp->dev, "%s Light sensor found.\n", id->name); + + return 0; + +fail1: + if (clientp->irq) + free_irq(clientp->irq, indio_dev); +fail2: + iio_device_free(indio_dev); + + return ret; +} + +static int tsl2x7x_suspend(struct device *dev) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + int ret = 0; + + if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) { + ret = tsl2x7x_chip_off(indio_dev); + chip->tsl2x7x_chip_status = TSL2X7X_CHIP_SUSPENDED; + } + + if (chip->pdata && chip->pdata->platform_power) { + pm_message_t pmm = {PM_EVENT_SUSPEND}; + chip->pdata->platform_power(dev, pmm); + } + + return ret; +} + +static int tsl2x7x_resume(struct device *dev) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct tsl2X7X_chip *chip = iio_priv(indio_dev); + int ret = 0; + + if (chip->pdata && chip->pdata->platform_power) { + pm_message_t pmm = {PM_EVENT_RESUME}; + chip->pdata->platform_power(dev, pmm); + } + + if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_SUSPENDED) + ret = tsl2x7x_chip_on(indio_dev); + + return ret; +} + +static int __devexit tsl2x7x_remove(struct i2c_client *client) +{ + struct tsl2X7X_chip *chip = i2c_get_clientdata(client); + struct iio_dev *indio_dev = iio_priv_to_dev(chip); + + tsl2x7x_chip_off(indio_dev); + + iio_device_unregister(indio_dev); + if (client->irq) + free_irq(client->irq, chip->client->name); + + iio_device_free(indio_dev); + + return 0; +} + +static struct i2c_device_id tsl2x7x_idtable[] = { + { "tsl2571", tsl2571 }, + { "tsl2671", tsl2671 }, + { "tmd2671", tmd2671 }, + { "tsl2771", tsl2771 }, + { "tmd2771", tmd2771 }, + { "tsl2572", tsl2572 }, + { "tsl2672", tsl2672 }, + { "tmd2672", tmd2672 }, + { "tsl2772", tsl2772 }, + { "tmd2772", tmd2772 }, + {} +}; + +MODULE_DEVICE_TABLE(i2c, tsl2x7x_idtable); + +static const struct dev_pm_ops tsl2x7x_pm_ops = { + .suspend = tsl2x7x_suspend, + .resume = tsl2x7x_resume, +}; + +/* Driver definition */ +static struct i2c_driver tsl2x7x_driver = { + .driver = { + .name = "tsl2x7x", + .pm = &tsl2x7x_pm_ops, + }, + .id_table = tsl2x7x_idtable, + .probe = tsl2x7x_probe, + .remove = __devexit_p(tsl2x7x_remove), +}; + +module_i2c_driver(tsl2x7x_driver); + +MODULE_AUTHOR("J. August Brenner<jbrenner@taosinc.com>"); +MODULE_DESCRIPTION("TAOS tsl2x7x ambient and proximity light sensor driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/iio/machine.h b/drivers/staging/iio/machine.h deleted file mode 100644 index 0b1f19bfdc44..000000000000 --- a/drivers/staging/iio/machine.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Industrial I/O in kernel access map definitions for board files. - * - * Copyright (c) 2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -/** - * struct iio_map - description of link between consumer and device channels - * @adc_channel_label: Label used to identify the channel on the provider. - * This is matched against the datasheet_name element - * of struct iio_chan_spec. - * @consumer_dev_name: Name to uniquely identify the consumer device. - * @consumer_channel: Unique name used to idenitify the channel on the - * consumer side. - */ -struct iio_map { - const char *adc_channel_label; - const char *consumer_dev_name; - const char *consumer_channel; -}; diff --git a/drivers/staging/iio/magnetometer/ak8975.c b/drivers/staging/iio/magnetometer/ak8975.c index ebc2d0840caf..93026c544465 100644 --- a/drivers/staging/iio/magnetometer/ak8975.c +++ b/drivers/staging/iio/magnetometer/ak8975.c @@ -30,8 +30,8 @@ #include <linux/gpio.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> /* * Register definitions, as well as various shifts and masks to get at the * individual fields of the registers. @@ -431,7 +431,7 @@ static int ak8975_read_raw(struct iio_dev *indio_dev, struct ak8975_data *data = iio_priv(indio_dev); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: return ak8975_read_axis(indio_dev, chan->address, val); case IIO_CHAN_INFO_SCALE: *val = data->raw_to_gauss[chan->address]; @@ -445,7 +445,8 @@ static int ak8975_read_raw(struct iio_dev *indio_dev, .type = IIO_MAGN, \ .modified = 1, \ .channel2 = IIO_MOD_##axis, \ - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ .address = index, \ } @@ -505,7 +506,7 @@ static int ak8975_probe(struct i2c_client *client, } /* Register with IIO */ - indio_dev = iio_allocate_device(sizeof(*data)); + indio_dev = iio_device_alloc(sizeof(*data)); if (indio_dev == NULL) { err = -ENOMEM; goto exit_gpio; @@ -536,7 +537,7 @@ static int ak8975_probe(struct i2c_client *client, return 0; exit_free_iio: - iio_free_device(indio_dev); + iio_device_free(indio_dev); exit_gpio: if (gpio_is_valid(eoc_gpio)) gpio_free(eoc_gpio); @@ -554,7 +555,7 @@ static int ak8975_remove(struct i2c_client *client) if (gpio_is_valid(data->eoc_gpio)) gpio_free(data->eoc_gpio); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c index e00b416c4d33..3ec65180b815 100644 --- a/drivers/staging/iio/magnetometer/hmc5843.c +++ b/drivers/staging/iio/magnetometer/hmc5843.c @@ -22,8 +22,8 @@ #include <linux/i2c.h> #include <linux/slab.h> #include <linux/types.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define HMC5843_I2C_ADDRESS 0x1E @@ -459,7 +459,7 @@ static int hmc5843_read_raw(struct iio_dev *indio_dev, struct hmc5843_data *data = iio_priv(indio_dev); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: return hmc5843_read_measurement(indio_dev, chan->address, val); @@ -476,7 +476,8 @@ static int hmc5843_read_raw(struct iio_dev *indio_dev, .type = IIO_MAGN, \ .modified = 1, \ .channel2 = IIO_MOD_##axis, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = add \ } @@ -545,7 +546,7 @@ static int hmc5843_probe(struct i2c_client *client, struct iio_dev *indio_dev; int err = 0; - indio_dev = iio_allocate_device(sizeof(*data)); + indio_dev = iio_device_alloc(sizeof(*data)); if (indio_dev == NULL) { err = -ENOMEM; goto exit; @@ -573,7 +574,7 @@ static int hmc5843_probe(struct i2c_client *client, goto exit_free2; return 0; exit_free2: - iio_free_device(indio_dev); + iio_device_free(indio_dev); exit: return err; } @@ -585,7 +586,7 @@ static int hmc5843_remove(struct i2c_client *client) iio_device_unregister(indio_dev); /* sleep mode to save power */ hmc5843_configure(client, MODE_SLEEP); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index 57baac6c0d40..280331b664f4 100644 --- a/drivers/staging/iio/meter/ade7753.c +++ b/drivers/staging/iio/meter/ade7753.c @@ -18,8 +18,8 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "meter.h" #include "ade7753.h" @@ -517,7 +517,7 @@ static int __devinit ade7753_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -546,7 +546,7 @@ static int __devinit ade7753_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -564,7 +564,7 @@ static int ade7753_remove(struct spi_device *spi) if (ret) goto err_ret; - iio_free_device(indio_dev); + iio_device_free(indio_dev); err_ret: return ret; } diff --git a/drivers/staging/iio/meter/ade7754.c b/drivers/staging/iio/meter/ade7754.c index 8d81c92007e9..59a2e3ef72b5 100644 --- a/drivers/staging/iio/meter/ade7754.c +++ b/drivers/staging/iio/meter/ade7754.c @@ -18,8 +18,8 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "meter.h" #include "ade7754.h" @@ -540,7 +540,7 @@ static int __devinit ade7754_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -568,7 +568,7 @@ static int __devinit ade7754_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -585,7 +585,7 @@ static int ade7754_remove(struct spi_device *spi) if (ret) goto err_ret; - iio_free_device(indio_dev); + iio_device_free(indio_dev); err_ret: return ret; diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c index dcb20294dfe8..1a5c9c408141 100644 --- a/drivers/staging/iio/meter/ade7758_core.c +++ b/drivers/staging/iio/meter/ade7758_core.c @@ -18,9 +18,9 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "meter.h" #include "ade7758.h" @@ -662,66 +662,217 @@ static const struct attribute_group ade7758_attribute_group = { }; static struct iio_chan_spec ade7758_channels[] = { - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "raw", 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_A, AD7758_VOLTAGE), - 0, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_CURRENT, 0, 1, 0, "raw", 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_A, AD7758_CURRENT), - 1, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_POWER, 0, 1, 0, "apparent_raw", 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_A, AD7758_APP_PWR), - 2, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_POWER, 0, 1, 0, "active_raw", 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_A, AD7758_ACT_PWR), - 3, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_POWER, 0, 1, 0, "reactive_raw", 0, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_A, AD7758_REACT_PWR), - 4, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "raw", 1, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_B, AD7758_VOLTAGE), - 5, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_CURRENT, 0, 1, 0, "raw", 1, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_B, AD7758_CURRENT), - 6, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_POWER, 0, 1, 0, "apparent_raw", 1, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_B, AD7758_APP_PWR), - 7, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_POWER, 0, 1, 0, "active_raw", 1, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_B, AD7758_ACT_PWR), - 8, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_POWER, 0, 1, 0, "reactive_raw", 1, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_B, AD7758_REACT_PWR), - 9, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "raw", 2, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_C, AD7758_VOLTAGE), - 10, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_CURRENT, 0, 1, 0, "raw", 2, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_C, AD7758_CURRENT), - 11, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_POWER, 0, 1, 0, "apparent_raw", 2, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_C, AD7758_APP_PWR), - 12, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_POWER, 0, 1, 0, "active_raw", 2, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_C, AD7758_ACT_PWR), - 13, IIO_ST('s', 24, 32, 0), 0), - IIO_CHAN(IIO_POWER, 0, 1, 0, "reactive_raw", 2, 0, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - AD7758_WT(AD7758_PHASE_C, AD7758_REACT_PWR), - 14, IIO_ST('s', 24, 32, 0), 0), + { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .extend_name = "raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_A, AD7758_VOLTAGE), + .scan_index = 0, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_CURRENT, + .indexed = 1, + .channel = 0, + .extend_name = "raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_A, AD7758_CURRENT), + .scan_index = 1, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_POWER, + .indexed = 1, + .channel = 0, + .extend_name = "apparent_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_A, AD7758_APP_PWR), + .scan_index = 2, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_POWER, + .indexed = 1, + .channel = 0, + .extend_name = "active_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_A, AD7758_ACT_PWR), + .scan_index = 3, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_POWER, + .indexed = 1, + .channel = 0, + .extend_name = "reactive_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_A, AD7758_REACT_PWR), + .scan_index = 4, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 1, + .extend_name = "raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_B, AD7758_VOLTAGE), + .scan_index = 5, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_CURRENT, + .indexed = 1, + .channel = 1, + .extend_name = "raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_B, AD7758_CURRENT), + .scan_index = 6, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_POWER, + .indexed = 1, + .channel = 1, + .extend_name = "apparent_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_B, AD7758_APP_PWR), + .scan_index = 7, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_POWER, + .indexed = 1, + .channel = 1, + .extend_name = "active_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_B, AD7758_ACT_PWR), + .scan_index = 8, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_POWER, + .indexed = 1, + .channel = 1, + .extend_name = "reactive_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_B, AD7758_REACT_PWR), + .scan_index = 9, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 2, + .extend_name = "raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_C, AD7758_VOLTAGE), + .scan_index = 10, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_CURRENT, + .indexed = 1, + .channel = 2, + .extend_name = "raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_C, AD7758_CURRENT), + .scan_index = 11, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_POWER, + .indexed = 1, + .channel = 2, + .extend_name = "apparent_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_C, AD7758_APP_PWR), + .scan_index = 12, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_POWER, + .indexed = 1, + .channel = 2, + .extend_name = "active_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_C, AD7758_ACT_PWR), + .scan_index = 13, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, { + .type = IIO_POWER, + .indexed = 1, + .channel = 2, + .extend_name = "reactive_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SHARED_BIT, + .address = AD7758_WT(AD7758_PHASE_C, AD7758_REACT_PWR), + .scan_index = 14, + .scan_type = { + .sign = 's', + .realbits = 24, + .storagebits = 32, + }, + }, IIO_CHAN_SOFT_TIMESTAMP(15), }; @@ -734,7 +885,7 @@ static int __devinit ade7758_probe(struct spi_device *spi) { int i, ret; struct ade7758_state *st; - struct iio_dev *indio_dev = iio_allocate_device(sizeof(*st)); + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; @@ -800,7 +951,7 @@ static int __devinit ade7758_probe(struct spi_device *spi) return 0; error_remove_trigger: - if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) + if (spi->irq) ade7758_remove_trigger(indio_dev); error_uninitialize_ring: ade7758_uninitialize_ring(indio_dev); @@ -811,7 +962,7 @@ error_free_tx: error_free_rx: kfree(st->rx); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -833,7 +984,7 @@ static int ade7758_remove(struct spi_device *spi) kfree(st->tx); kfree(st->rx); - iio_free_device(indio_dev); + iio_device_free(indio_dev); err_ret: return ret; diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c index c45b23bb1229..7b9be8a2cc50 100644 --- a/drivers/staging/iio/meter/ade7758_ring.c +++ b/drivers/staging/iio/meter/ade7758_ring.c @@ -12,9 +12,9 @@ #include <linux/slab.h> #include <asm/unaligned.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "ade7758.h" /** @@ -72,7 +72,7 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p) *dat32 = get_unaligned_be32(&st->rx_buf[5]) & 0xFFFFFF; /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) dat64[1] = pf->timestamp; ring->access->store_to(ring, (u8 *)dat64, pf->timestamp); @@ -92,29 +92,19 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p) static int ade7758_ring_preenable(struct iio_dev *indio_dev) { struct ade7758_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; - size_t d_size; unsigned channel; + int ret; if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; + channel = find_first_bit(indio_dev->active_scan_mask, indio_dev->masklength); - d_size = st->ade7758_ring_channels[channel].scan_type.storagebits / 8; - - if (ring->scan_timestamp) { - d_size += sizeof(s64); - - if (d_size % sizeof(s64)) - d_size += sizeof(s64) - (d_size % sizeof(s64)); - } - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, d_size); - ade7758_write_waveform_type(&indio_dev->dev, st->ade7758_ring_channels[channel].address); diff --git a/drivers/staging/iio/meter/ade7758_trigger.c b/drivers/staging/iio/meter/ade7758_trigger.c index b6569c706651..f9c6a340092b 100644 --- a/drivers/staging/iio/meter/ade7758_trigger.c +++ b/drivers/staging/iio/meter/ade7758_trigger.c @@ -11,8 +11,8 @@ #include <linux/spi/spi.h> #include <linux/export.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> #include "ade7758.h" /** @@ -63,7 +63,7 @@ int ade7758_probe_trigger(struct iio_dev *indio_dev) struct ade7758_state *st = iio_priv(indio_dev); int ret; - st->trig = iio_allocate_trigger("%s-dev%d", + st->trig = iio_trigger_alloc("%s-dev%d", spi_get_device_id(st->us)->name, indio_dev->id); if (st->trig == NULL) { @@ -94,7 +94,7 @@ int ade7758_probe_trigger(struct iio_dev *indio_dev) error_free_irq: free_irq(st->us->irq, st->trig); error_free_trig: - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); error_ret: return ret; } @@ -105,5 +105,5 @@ void ade7758_remove_trigger(struct iio_dev *indio_dev) iio_trigger_unregister(st->trig); free_irq(st->us->irq, st->trig); - iio_free_trigger(st->trig); + iio_trigger_free(st->trig); } diff --git a/drivers/staging/iio/meter/ade7759.c b/drivers/staging/iio/meter/ade7759.c index 0beab478dcd9..91add54af111 100644 --- a/drivers/staging/iio/meter/ade7759.c +++ b/drivers/staging/iio/meter/ade7759.c @@ -18,8 +18,8 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "meter.h" #include "ade7759.h" @@ -463,7 +463,7 @@ static int __devinit ade7759_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -491,7 +491,7 @@ static int __devinit ade7759_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -507,7 +507,7 @@ static int ade7759_remove(struct spi_device *spi) if (ret) goto err_ret; - iio_free_device(indio_dev); + iio_device_free(indio_dev); err_ret: return ret; diff --git a/drivers/staging/iio/meter/ade7854-i2c.c b/drivers/staging/iio/meter/ade7854-i2c.c index 1e1faa0479d3..527aa97c74ae 100644 --- a/drivers/staging/iio/meter/ade7854-i2c.c +++ b/drivers/staging/iio/meter/ade7854-i2c.c @@ -12,7 +12,7 @@ #include <linux/slab.h> #include <linux/module.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "ade7854.h" static int ade7854_i2c_write_reg_8(struct device *dev, @@ -208,7 +208,7 @@ static int __devinit ade7854_i2c_probe(struct i2c_client *client, struct ade7854_state *st; struct iio_dev *indio_dev; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; st = iio_priv(indio_dev); @@ -226,7 +226,7 @@ static int __devinit ade7854_i2c_probe(struct i2c_client *client, ret = ade7854_probe(indio_dev, &client->dev); if (ret) - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } diff --git a/drivers/staging/iio/meter/ade7854-spi.c b/drivers/staging/iio/meter/ade7854-spi.c index 81121862c1bd..eaafaef9caec 100644 --- a/drivers/staging/iio/meter/ade7854-spi.c +++ b/drivers/staging/iio/meter/ade7854-spi.c @@ -12,7 +12,7 @@ #include <linux/slab.h> #include <linux/module.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "ade7854.h" static int ade7854_spi_write_reg_8(struct device *dev, @@ -306,7 +306,7 @@ static int __devinit ade7854_spi_probe(struct spi_device *spi) struct ade7854_state *st; struct iio_dev *indio_dev; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; st = iio_priv(indio_dev); @@ -325,7 +325,7 @@ static int __devinit ade7854_spi_probe(struct spi_device *spi) ret = ade7854_probe(indio_dev, &spi->dev); if (ret) - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c index 49c01c5c1b59..fa3ba01af41d 100644 --- a/drivers/staging/iio/meter/ade7854.c +++ b/drivers/staging/iio/meter/ade7854.c @@ -17,8 +17,8 @@ #include <linux/list.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "meter.h" #include "ade7854.h" @@ -581,7 +581,7 @@ int ade7854_probe(struct iio_dev *indio_dev, struct device *dev) error_unreg_dev: iio_device_unregister(indio_dev); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -590,7 +590,7 @@ EXPORT_SYMBOL(ade7854_probe); int ade7854_remove(struct iio_dev *indio_dev) { iio_device_unregister(indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/meter/meter.h b/drivers/staging/iio/meter/meter.h index 6a3db1423631..23e1b5f480a9 100644 --- a/drivers/staging/iio/meter/meter.h +++ b/drivers/staging/iio/meter/meter.h @@ -1,4 +1,4 @@ -#include "../sysfs.h" +#include <linux/iio/sysfs.h> /* metering ic types of attribute */ diff --git a/drivers/staging/iio/resolver/ad2s1200.c b/drivers/staging/iio/resolver/ad2s1200.c index d8ce854c1897..8b71eb0e16f5 100644 --- a/drivers/staging/iio/resolver/ad2s1200.c +++ b/drivers/staging/iio/resolver/ad2s1200.c @@ -19,8 +19,8 @@ #include <linux/gpio.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #define DRV_NAME "ad2s1200" @@ -85,10 +85,12 @@ static const struct iio_chan_spec ad2s1200_channels[] = { .type = IIO_ANGL, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, }, { .type = IIO_ANGL_VEL, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, } }; @@ -110,7 +112,7 @@ static int __devinit ad2s1200_probe(struct spi_device *spi) DRV_NAME, pins[pn]); goto error_ret; } - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -140,7 +142,7 @@ static int __devinit ad2s1200_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: for (--pn; pn >= 0; pn--) gpio_free(pins[pn]); @@ -150,7 +152,7 @@ error_ret: static int __devexit ad2s1200_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index c439fcf72be7..a236ddbee372 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -18,8 +18,8 @@ #include <linux/gpio.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "ad2s1210.h" #define DRV_NAME "ad2s1210" @@ -580,10 +580,12 @@ static struct iio_chan_spec ad2s1210_channels[] = { .type = IIO_ANGL, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, }, { .type = IIO_ANGL_VEL, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, } }; @@ -688,7 +690,7 @@ static int __devinit ad2s1210_probe(struct spi_device *spi) if (spi->dev.platform_data == NULL) return -EINVAL; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -729,7 +731,7 @@ static int __devinit ad2s1210_probe(struct spi_device *spi) error_free_gpios: ad2s1210_free_gpios(st); error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -740,7 +742,7 @@ static int __devexit ad2s1210_remove(struct spi_device *spi) iio_device_unregister(indio_dev); ad2s1210_free_gpios(iio_priv(indio_dev)); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c index 2a86f582ddf1..a8057228dca1 100644 --- a/drivers/staging/iio/resolver/ad2s90.c +++ b/drivers/staging/iio/resolver/ad2s90.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> struct ad2s90_state { struct mutex lock; @@ -55,6 +55,7 @@ static const struct iio_chan_spec ad2s90_chan = { .type = IIO_ANGL, .indexed = 1, .channel = 0, + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, }; static int __devinit ad2s90_probe(struct spi_device *spi) @@ -63,7 +64,7 @@ static int __devinit ad2s90_probe(struct spi_device *spi) struct ad2s90_state *st; int ret = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -92,7 +93,7 @@ static int __devinit ad2s90_probe(struct spi_device *spi) return 0; error_free_dev: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -100,7 +101,7 @@ error_ret: static int __devexit ad2s90_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); + iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c index b9945ec44faa..9358c6cb1c72 100644 --- a/drivers/staging/iio/ring_sw.c +++ b/drivers/staging/iio/ring_sw.c @@ -15,7 +15,7 @@ #include <linux/sched.h> #include <linux/poll.h> #include "ring_sw.h" -#include "trigger.h" +#include <linux/iio/trigger.h> /** * struct iio_sw_ring_buffer - software ring buffer diff --git a/drivers/staging/iio/ring_sw.h b/drivers/staging/iio/ring_sw.h index 7556e2122367..a5857aa7aefa 100644 --- a/drivers/staging/iio/ring_sw.h +++ b/drivers/staging/iio/ring_sw.h @@ -23,7 +23,7 @@ #ifndef _IIO_RING_SW_H_ #define _IIO_RING_SW_H_ -#include "buffer.h" +#include <linux/iio/buffer.h> struct iio_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev); void iio_sw_rb_free(struct iio_buffer *ring); diff --git a/drivers/staging/iio/sysfs.h b/drivers/staging/iio/sysfs.h deleted file mode 100644 index bfedb73b850e..000000000000 --- a/drivers/staging/iio/sysfs.h +++ /dev/null @@ -1,117 +0,0 @@ -/* The industrial I/O core - * - *Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * General attributes - */ - -#ifndef _INDUSTRIAL_IO_SYSFS_H_ -#define _INDUSTRIAL_IO_SYSFS_H_ - -struct iio_chan_spec; - -/** - * struct iio_dev_attr - iio specific device attribute - * @dev_attr: underlying device attribute - * @address: associated register address - * @l: list head for maintaining list of dynamically created attrs. - */ -struct iio_dev_attr { - struct device_attribute dev_attr; - u64 address; - struct list_head l; - struct iio_chan_spec const *c; -}; - -#define to_iio_dev_attr(_dev_attr) \ - container_of(_dev_attr, struct iio_dev_attr, dev_attr) - -ssize_t iio_read_const_attr(struct device *dev, - struct device_attribute *attr, - char *len); - -/** - * struct iio_const_attr - constant device specific attribute - * often used for things like available modes - * @string: attribute string - * @dev_attr: underlying device attribute - */ -struct iio_const_attr { - const char *string; - struct device_attribute dev_attr; -}; - -#define to_iio_const_attr(_dev_attr) \ - container_of(_dev_attr, struct iio_const_attr, dev_attr) - -/* Some attributes will be hard coded (device dependent) and not require an - address, in these cases pass a negative */ -#define IIO_ATTR(_name, _mode, _show, _store, _addr) \ - { .dev_attr = __ATTR(_name, _mode, _show, _store), \ - .address = _addr } - -#define IIO_DEVICE_ATTR(_name, _mode, _show, _store, _addr) \ - struct iio_dev_attr iio_dev_attr_##_name \ - = IIO_ATTR(_name, _mode, _show, _store, _addr) - -#define IIO_DEVICE_ATTR_NAMED(_vname, _name, _mode, _show, _store, _addr) \ - struct iio_dev_attr iio_dev_attr_##_vname \ - = IIO_ATTR(_name, _mode, _show, _store, _addr) - -#define IIO_CONST_ATTR(_name, _string) \ - struct iio_const_attr iio_const_attr_##_name \ - = { .string = _string, \ - .dev_attr = __ATTR(_name, S_IRUGO, iio_read_const_attr, NULL)} - -#define IIO_CONST_ATTR_NAMED(_vname, _name, _string) \ - struct iio_const_attr iio_const_attr_##_vname \ - = { .string = _string, \ - .dev_attr = __ATTR(_name, S_IRUGO, iio_read_const_attr, NULL)} - -/* Generic attributes of onetype or another */ -/** - * IIO_DEV_ATTR_RESET: resets the device - **/ -#define IIO_DEV_ATTR_RESET(_store) \ - IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, _store, 0) - -/** - * IIO_DEV_ATTR_SAMP_FREQ - sets any internal clock frequency - * @_mode: sysfs file mode/permissions - * @_show: output method for the attribute - * @_store: input method for the attribute - **/ -#define IIO_DEV_ATTR_SAMP_FREQ(_mode, _show, _store) \ - IIO_DEVICE_ATTR(sampling_frequency, _mode, _show, _store, 0) - -/** - * IIO_DEV_ATTR_SAMP_FREQ_AVAIL - list available sampling frequencies - * @_show: output method for the attribute - * - * May be mode dependent on some devices - **/ -#define IIO_DEV_ATTR_SAMP_FREQ_AVAIL(_show) \ - IIO_DEVICE_ATTR(sampling_frequency_available, S_IRUGO, _show, NULL, 0) -/** - * IIO_CONST_ATTR_AVAIL_SAMP_FREQ - list available sampling frequencies - * @_string: frequency string for the attribute - * - * Constant version - **/ -#define IIO_CONST_ATTR_SAMP_FREQ_AVAIL(_string) \ - IIO_CONST_ATTR(sampling_frequency_available, _string) - -#define IIO_DEV_ATTR_TEMP_RAW(_show) \ - IIO_DEVICE_ATTR(in_temp_raw, S_IRUGO, _show, NULL, 0) - -#define IIO_CONST_ATTR_TEMP_OFFSET(_string) \ - IIO_CONST_ATTR(in_temp_offset, _string) - -#define IIO_CONST_ATTR_TEMP_SCALE(_string) \ - IIO_CONST_ATTR(in_temp_scale, _string) - -#endif /* _INDUSTRIAL_IO_SYSFS_H_ */ diff --git a/drivers/staging/iio/trigger.h b/drivers/staging/iio/trigger.h deleted file mode 100644 index 1cfca231db8f..000000000000 --- a/drivers/staging/iio/trigger.h +++ /dev/null @@ -1,119 +0,0 @@ -/* The industrial I/O core, trigger handling functions - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ -#include <linux/irq.h> -#include <linux/module.h> - -#ifndef _IIO_TRIGGER_H_ -#define _IIO_TRIGGER_H_ - -struct iio_subirq { - bool enabled; -}; - -/** - * struct iio_trigger_ops - operations structure for an iio_trigger. - * @owner: used to monitor usage count of the trigger. - * @set_trigger_state: switch on/off the trigger on demand - * @try_reenable: function to reenable the trigger when the - * use count is zero (may be NULL) - * @validate_device: function to validate the device when the - * current trigger gets changed. - * - * This is typically static const within a driver and shared by - * instances of a given device. - **/ -struct iio_trigger_ops { - struct module *owner; - int (*set_trigger_state)(struct iio_trigger *trig, bool state); - int (*try_reenable)(struct iio_trigger *trig); - int (*validate_device)(struct iio_trigger *trig, - struct iio_dev *indio_dev); -}; - - -/** - * struct iio_trigger - industrial I/O trigger device - * - * @id: [INTERN] unique id number - * @name: [DRIVER] unique name - * @dev: [DRIVER] associated device (if relevant) - * @private_data: [DRIVER] device specific data - * @list: [INTERN] used in maintenance of global trigger list - * @alloc_list: [DRIVER] used for driver specific trigger list - * @use_count: use count for the trigger - * @subirq_chip: [INTERN] associate 'virtual' irq chip. - * @subirq_base: [INTERN] base number for irqs provided by trigger. - * @subirqs: [INTERN] information about the 'child' irqs. - * @pool: [INTERN] bitmap of irqs currently in use. - * @pool_lock: [INTERN] protection of the irq pool. - **/ -struct iio_trigger { - const struct iio_trigger_ops *ops; - int id; - const char *name; - struct device dev; - - void *private_data; - struct list_head list; - struct list_head alloc_list; - int use_count; - - struct irq_chip subirq_chip; - int subirq_base; - - struct iio_subirq subirqs[CONFIG_IIO_CONSUMERS_PER_TRIGGER]; - unsigned long pool[BITS_TO_LONGS(CONFIG_IIO_CONSUMERS_PER_TRIGGER)]; - struct mutex pool_lock; -}; - - -static inline struct iio_trigger *to_iio_trigger(struct device *d) -{ - return container_of(d, struct iio_trigger, dev); -}; - -static inline void iio_put_trigger(struct iio_trigger *trig) -{ - module_put(trig->ops->owner); - put_device(&trig->dev); -}; - -static inline void iio_get_trigger(struct iio_trigger *trig) -{ - get_device(&trig->dev); - __module_get(trig->ops->owner); -}; - -/** - * iio_trigger_register() - register a trigger with the IIO core - * @trig_info: trigger to be registered - **/ -int iio_trigger_register(struct iio_trigger *trig_info); - -/** - * iio_trigger_unregister() - unregister a trigger from the core - * @trig_info: trigger to be unregistered - **/ -void iio_trigger_unregister(struct iio_trigger *trig_info); - -/** - * iio_trigger_poll() - called on a trigger occurring - * @trig: trigger which occurred - * - * Typically called in relevant hardware interrupt handler. - **/ -void iio_trigger_poll(struct iio_trigger *trig, s64 time); -void iio_trigger_poll_chained(struct iio_trigger *trig, s64 time); - -irqreturn_t iio_trigger_generic_data_rdy_poll(int irq, void *private); - -__printf(1, 2) struct iio_trigger *iio_allocate_trigger(const char *fmt, ...); -void iio_free_trigger(struct iio_trigger *trig); - -#endif /* _IIO_TRIGGER_H_ */ diff --git a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c index 665653d79f02..f85734d212bb 100644 --- a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c +++ b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c @@ -15,8 +15,8 @@ #include <asm/gptimers.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> struct bfin_timer { unsigned short id, bit; @@ -172,7 +172,7 @@ static int __devinit iio_bfin_tmr_trigger_probe(struct platform_device *pdev) st->timer_num = ret; st->t = &iio_bfin_timer_code[st->timer_num]; - st->trig = iio_allocate_trigger("bfintmr%d", st->timer_num); + st->trig = iio_trigger_alloc("bfintmr%d", st->timer_num); if (!st->trig) { ret = -ENOMEM; goto out1; @@ -203,7 +203,7 @@ static int __devinit iio_bfin_tmr_trigger_probe(struct platform_device *pdev) out4: iio_trigger_unregister(st->trig); out2: - iio_put_trigger(st->trig); + iio_trigger_put(st->trig); out1: kfree(st); out: @@ -217,7 +217,7 @@ static int __devexit iio_bfin_tmr_trigger_remove(struct platform_device *pdev) disable_gptimers(st->t->bit); free_irq(st->irq, st); iio_trigger_unregister(st->trig); - iio_put_trigger(st->trig); + iio_trigger_put(st->trig); kfree(st); return 0; diff --git a/drivers/staging/iio/trigger/iio-trig-gpio.c b/drivers/staging/iio/trigger/iio-trig-gpio.c index a3465947235e..90b26846fc6b 100644 --- a/drivers/staging/iio/trigger/iio-trig-gpio.c +++ b/drivers/staging/iio/trigger/iio-trig-gpio.c @@ -22,8 +22,8 @@ #include <linux/gpio.h> #include <linux/slab.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> static LIST_HEAD(iio_gpio_trigger_list); static DEFINE_MUTEX(iio_gpio_trigger_list_lock); @@ -72,7 +72,7 @@ static int iio_gpio_trigger_probe(struct platform_device *pdev) for (irq = irq_res->start; irq <= irq_res->end; irq++) { - trig = iio_allocate_trigger("irqtrig%d", irq); + trig = iio_trigger_alloc("irqtrig%d", irq); if (!trig) { ret = -ENOMEM; goto error_free_completed_registrations; @@ -114,7 +114,7 @@ error_release_irq: error_free_trig_info: kfree(trig_info); error_put_trigger: - iio_put_trigger(trig); + iio_trigger_put(trig); error_free_completed_registrations: /* The rest should have been added to the iio_gpio_trigger_list */ list_for_each_entry_safe(trig, @@ -144,7 +144,7 @@ static int iio_gpio_trigger_remove(struct platform_device *pdev) iio_trigger_unregister(trig); free_irq(trig_info->irq, trig); kfree(trig_info); - iio_put_trigger(trig); + iio_trigger_put(trig); } mutex_unlock(&iio_gpio_trigger_list_lock); diff --git a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c index a80cf67bf84d..9f2d055524a3 100644 --- a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c +++ b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c @@ -16,8 +16,8 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/rtc.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> static LIST_HEAD(iio_prtc_trigger_list); static DEFINE_MUTEX(iio_prtc_trigger_list_lock); @@ -112,7 +112,7 @@ static int iio_trig_periodic_rtc_probe(struct platform_device *dev) for (i = 0;; i++) { if (pdata[i] == NULL) break; - trig = iio_allocate_trigger("periodic%s", pdata[i]); + trig = iio_trigger_alloc("periodic%s", pdata[i]); if (!trig) { ret = -ENOMEM; goto error_free_completed_registrations; @@ -152,7 +152,7 @@ error_free_trig_info: kfree(trig_info); error_put_trigger_and_remove_from_list: list_del(&trig->alloc_list); - iio_put_trigger(trig); + iio_trigger_put(trig); error_free_completed_registrations: list_for_each_entry_safe(trig, trig2, diff --git a/drivers/staging/iio/trigger/iio-trig-sysfs.c b/drivers/staging/iio/trigger/iio-trig-sysfs.c index 174dc65709d5..552763bb3d4c 100644 --- a/drivers/staging/iio/trigger/iio-trig-sysfs.c +++ b/drivers/staging/iio/trigger/iio-trig-sysfs.c @@ -11,8 +11,8 @@ #include <linux/slab.h> #include <linux/list.h> -#include "../iio.h" -#include "../trigger.h" +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> struct iio_sysfs_trig { struct iio_trigger *trig; @@ -139,7 +139,7 @@ static int iio_sysfs_trigger_probe(int id) goto out1; } t->id = id; - t->trig = iio_allocate_trigger("sysfstrig%d", id); + t->trig = iio_trigger_alloc("sysfstrig%d", id); if (!t->trig) { ret = -ENOMEM; goto free_t; @@ -158,7 +158,7 @@ static int iio_sysfs_trigger_probe(int id) return 0; out2: - iio_put_trigger(t->trig); + iio_trigger_put(t->trig); free_t: kfree(t); out1: @@ -182,7 +182,7 @@ static int iio_sysfs_trigger_remove(int id) } iio_trigger_unregister(t->trig); - iio_free_trigger(t->trig); + iio_trigger_free(t->trig); list_del(&t->l); kfree(t); diff --git a/drivers/staging/iio/trigger_consumer.h b/drivers/staging/iio/trigger_consumer.h deleted file mode 100644 index 60d64b356945..000000000000 --- a/drivers/staging/iio/trigger_consumer.h +++ /dev/null @@ -1,52 +0,0 @@ -/* The industrial I/O core, trigger consumer functions - * - * Copyright (c) 2008-2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -/** - * struct iio_poll_func - poll function pair - * - * @indio_dev: data specific to device (passed into poll func) - * @h: the function that is actually run on trigger - * @thread: threaded interrupt part - * @type: the type of interrupt (basically if oneshot) - * @name: name used to identify the trigger consumer. - * @irq: the corresponding irq as allocated from the - * trigger pool - * @timestamp: some devices need a timestamp grabbed as soon - * as possible after the trigger - hence handler - * passes it via here. - **/ -struct iio_poll_func { - struct iio_dev *indio_dev; - irqreturn_t (*h)(int irq, void *p); - irqreturn_t (*thread)(int irq, void *p); - int type; - char *name; - int irq; - s64 timestamp; -}; - - -struct iio_poll_func -*iio_alloc_pollfunc(irqreturn_t (*h)(int irq, void *p), - irqreturn_t (*thread)(int irq, void *p), - int type, - struct iio_dev *indio_dev, - const char *fmt, - ...); -void iio_dealloc_pollfunc(struct iio_poll_func *pf); -irqreturn_t iio_pollfunc_store_time(int irq, void *p); - -void iio_trigger_notify_done(struct iio_trigger *trig); - -/* - * Two functions for common case where all that happens is a pollfunc - * is attached and detached from a trigger - */ -int iio_triggered_buffer_postenable(struct iio_dev *indio_dev); -int iio_triggered_buffer_predisable(struct iio_dev *indio_dev); diff --git a/drivers/staging/iio/types.h b/drivers/staging/iio/types.h deleted file mode 100644 index 0c3213666901..000000000000 --- a/drivers/staging/iio/types.h +++ /dev/null @@ -1,53 +0,0 @@ -/* industrial I/O data types needed both in and out of kernel - * - * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -#ifndef _IIO_TYPES_H_ -#define _IIO_TYPES_H_ - -enum iio_chan_type { - /* real channel types */ - IIO_VOLTAGE, - IIO_CURRENT, - IIO_POWER, - IIO_ACCEL, - IIO_ANGL_VEL, - IIO_MAGN, - IIO_LIGHT, - IIO_INTENSITY, - IIO_PROXIMITY, - IIO_TEMP, - IIO_INCLI, - IIO_ROT, - IIO_ANGL, - IIO_TIMESTAMP, - IIO_CAPACITANCE, -}; - -enum iio_modifier { - IIO_NO_MOD, - IIO_MOD_X, - IIO_MOD_Y, - IIO_MOD_Z, - IIO_MOD_X_AND_Y, - IIO_MOD_X_AND_Z, - IIO_MOD_Y_AND_Z, - IIO_MOD_X_AND_Y_AND_Z, - IIO_MOD_X_OR_Y, - IIO_MOD_X_OR_Z, - IIO_MOD_Y_OR_Z, - IIO_MOD_X_OR_Y_OR_Z, - IIO_MOD_LIGHT_BOTH, - IIO_MOD_LIGHT_IR, -}; - -#define IIO_VAL_INT 1 -#define IIO_VAL_INT_PLUS_MICRO 2 -#define IIO_VAL_INT_PLUS_NANO 3 - -#endif /* _IIO_TYPES_H_ */ |