summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-07 23:00:53 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-07 23:00:53 +0300
commitfa73e212318a3277ae1f304febbc617c75d4d2db (patch)
tree54fea325ba419be2388cb9515e778f5c0d9a2f8c /include
parent75dee3b6de4ce31464ffb827b81ddb5414599159 (diff)
parentf45882cfb152f5d3a421fd58f177f227e44843b9 (diff)
downloadlinux-fa73e212318a3277ae1f304febbc617c75d4d2db.tar.xz
Merge tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - Legacy soc_camera driver was removed from staging - New I2C sensor related drivers: dw9768, ch7322, max9271, rdacm20 - TI vpe driver code was re-organized and had new features added - Added Xilinx MIPI CSI-2 Rx Subsystem driver - Added support for Infrared Toy and IR Droid devices - Lots of random driver fixes, new features and cleanups * tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (318 commits) media: camss: fix memory leaks on error handling paths in probe media: davinci: vpif_capture: fix potential double free media: radio: remove redundant assignment to variable retval media: allegro: fix potential null dereference on header media: mtk-mdp: Fix a refcounting bug on error in init media: allegro: fix an error pointer vs NULL check media: meye: fix missing pm_mchip_mode field media: cafe-driver: use generic power management media: saa7164: use generic power management media: v4l2-dev/ioctl: Fix document for VIDIOC_QUERYCAP media: v4l2: Correct kernel-doc inconsistency media: v4l2: Correct kernel-doc inconsistency media: dvbdev.h: keep * together with the type media: v4l2-subdev.h: keep * together with the type media: videobuf2: Print videobuf2 buffer state by name media: colorspaces-details.rst: fix V4L2_COLORSPACE_JPEG description media: tw68: use generic power management media: meye: use generic power management media: cx88: use generic power management media: cx25821: use generic power management ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/platform_data/media/omap1_camera.h32
-rw-r--r--include/linux/property.h5
-rw-r--r--include/media/cec.h57
-rw-r--r--include/media/davinci/vpbe_display.h2
-rw-r--r--include/media/drv-intf/soc_mediabus.h107
-rw-r--r--include/media/dvbdev.h6
-rw-r--r--include/media/media-device.h2
-rw-r--r--include/media/media-devnode.h2
-rw-r--r--include/media/media-entity.h2
-rw-r--r--include/media/soc_camera.h397
-rw-r--r--include/media/tpg/v4l2-tpg.h3
-rw-r--r--include/media/v4l2-mc.h8
-rw-r--r--include/media/v4l2-rect.h20
-rw-r--r--include/media/v4l2-subdev.h39
-rw-r--r--include/media/videobuf2-core.h51
-rw-r--r--include/media/videobuf2-v4l2.h13
-rw-r--r--include/uapi/linux/videodev2.h17
17 files changed, 181 insertions, 582 deletions
diff --git a/include/linux/platform_data/media/omap1_camera.h b/include/linux/platform_data/media/omap1_camera.h
deleted file mode 100644
index 386439db68de..000000000000
--- a/include/linux/platform_data/media/omap1_camera.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Header for V4L2 SoC Camera driver for OMAP1 Camera Interface
- *
- * Copyright (C) 2010, Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
- */
-
-#ifndef __MEDIA_OMAP1_CAMERA_H_
-#define __MEDIA_OMAP1_CAMERA_H_
-
-#include <linux/bitops.h>
-
-#define OMAP1_CAMERA_IOSIZE 0x1c
-
-enum omap1_cam_vb_mode {
- OMAP1_CAM_DMA_CONTIG = 0,
- OMAP1_CAM_DMA_SG,
-};
-
-#define OMAP1_CAMERA_MIN_BUF_COUNT(x) ((x) == OMAP1_CAM_DMA_CONTIG ? 3 : 2)
-
-struct omap1_cam_platform_data {
- unsigned long camexclk_khz;
- unsigned long lclk_khz_max;
- unsigned long flags;
-};
-
-#define OMAP1_CAMERA_LCLK_RISING BIT(0)
-#define OMAP1_CAMERA_RST_LOW BIT(1)
-#define OMAP1_CAMERA_RST_HIGH BIT(2)
-
-#endif /* __MEDIA_OMAP1_CAMERA_H_ */
diff --git a/include/linux/property.h b/include/linux/property.h
index 10d03572f52e..9f805c442819 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -389,6 +389,11 @@ struct fwnode_handle *
fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port,
u32 endpoint);
+static inline bool fwnode_graph_is_endpoint(struct fwnode_handle *fwnode)
+{
+ return fwnode_property_present(fwnode, "remote-endpoint");
+}
+
/*
* Fwnode lookup flags
*
diff --git a/include/media/cec.h b/include/media/cec.h
index 972bc8cd4384..c48b5f2e4b50 100644
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -144,6 +144,60 @@ struct cec_adap_ops {
*/
#define CEC_MAX_MSG_TX_QUEUE_SZ (18 * 1)
+/**
+ * struct cec_adapter - cec adapter structure
+ * @owner: module owner
+ * @name: name of the CEC adapter
+ * @devnode: device node for the /dev/cecX device
+ * @lock: mutex controlling access to this structure
+ * @rc: remote control device
+ * @transmit_queue: queue of pending transmits
+ * @transmit_queue_sz: number of pending transmits
+ * @wait_queue: queue of transmits waiting for a reply
+ * @transmitting: CEC messages currently being transmitted
+ * @transmit_in_progress: true if a transmit is in progress
+ * @kthread_config: kthread used to configure a CEC adapter
+ * @config_completion: used to signal completion of the config kthread
+ * @kthread: main CEC processing thread
+ * @kthread_waitq: main CEC processing wait_queue
+ * @ops: cec adapter ops
+ * @priv: cec driver's private data
+ * @capabilities: cec adapter capabilities
+ * @available_log_addrs: maximum number of available logical addresses
+ * @phys_addr: the current physical address
+ * @needs_hpd: if true, then the HDMI HotPlug Detect pin must be high
+ * in order to transmit or receive CEC messages. This is usually a HW
+ * limitation.
+ * @is_configuring: the CEC adapter is configuring (i.e. claiming LAs)
+ * @is_configured: the CEC adapter is configured (i.e. has claimed LAs)
+ * @cec_pin_is_high: if true then the CEC pin is high. Only used with the
+ * CEC pin framework.
+ * @adap_controls_phys_addr: if true, then the CEC adapter controls the
+ * physical address, i.e. the CEC hardware can detect HPD changes and
+ * read the EDID and is not dependent on an external HDMI driver.
+ * Drivers that need this can set this field to true after the
+ * cec_allocate_adapter() call.
+ * @last_initiator: the initiator of the last transmitted message.
+ * @monitor_all_cnt: number of filehandles monitoring all msgs
+ * @monitor_pin_cnt: number of filehandles monitoring pin changes
+ * @follower_cnt: number of filehandles in follower mode
+ * @cec_follower: filehandle of the exclusive follower
+ * @cec_initiator: filehandle of the exclusive initiator
+ * @passthrough: if true, then the exclusive follower is in
+ * passthrough mode.
+ * @log_addrs: current logical addresses
+ * @conn_info: current connector info
+ * @tx_timeouts: number of transmit timeouts
+ * @notifier: CEC notifier
+ * @pin: CEC pin status struct
+ * @cec_dir: debugfs cec directory
+ * @status_file: debugfs cec status file
+ * @error_inj_file: debugfs cec error injection file
+ * @sequence: transmit sequence counter
+ * @input_phys: remote control input_phys name
+ *
+ * This structure represents a cec adapter.
+ */
struct cec_adapter {
struct module *owner;
char name[32];
@@ -162,7 +216,6 @@ struct cec_adapter {
struct task_struct *kthread;
wait_queue_head_t kthread_waitq;
- wait_queue_head_t waitq;
const struct cec_adap_ops *ops;
void *priv;
@@ -174,6 +227,7 @@ struct cec_adapter {
bool is_configuring;
bool is_configured;
bool cec_pin_is_high;
+ bool adap_controls_phys_addr;
u8 last_initiator;
u32 monitor_all_cnt;
u32 monitor_pin_cnt;
@@ -197,7 +251,6 @@ struct cec_adapter {
struct dentry *status_file;
struct dentry *error_inj_file;
- u16 phys_addrs[15];
u32 sequence;
char input_phys[32];
diff --git a/include/media/davinci/vpbe_display.h b/include/media/davinci/vpbe_display.h
index 56d05a855140..6d2a93740130 100644
--- a/include/media/davinci/vpbe_display.h
+++ b/include/media/davinci/vpbe_display.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2010 Texas Instruments Incorporated - https://www.ti.com/
*/
#ifndef VPBE_DISPLAY_H
#define VPBE_DISPLAY_H
diff --git a/include/media/drv-intf/soc_mediabus.h b/include/media/drv-intf/soc_mediabus.h
deleted file mode 100644
index 361f8852c9fc..000000000000
--- a/include/media/drv-intf/soc_mediabus.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * SoC-camera Media Bus API extensions
- *
- * Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- */
-
-#ifndef SOC_MEDIABUS_H
-#define SOC_MEDIABUS_H
-
-#include <linux/videodev2.h>
-#include <linux/v4l2-mediabus.h>
-
-/**
- * enum soc_mbus_packing - data packing types on the media-bus
- * @SOC_MBUS_PACKING_NONE: no packing, bit-for-bit transfer to RAM, one
- * sample represents one pixel
- * @SOC_MBUS_PACKING_2X8_PADHI: 16 bits transferred in 2 8-bit samples, in the
- * possibly incomplete byte high bits are padding
- * @SOC_MBUS_PACKING_2X8_PADLO: as above, but low bits are padding
- * @SOC_MBUS_PACKING_EXTEND16: sample width (e.g., 10 bits) has to be extended
- * to 16 bits
- * @SOC_MBUS_PACKING_VARIABLE: compressed formats with variable packing
- * @SOC_MBUS_PACKING_1_5X8: used for packed YUV 4:2:0 formats, where 4
- * pixels occupy 6 bytes in RAM
- * @SOC_MBUS_PACKING_EXTEND32: sample width (e.g., 24 bits) has to be extended
- * to 32 bits
- */
-enum soc_mbus_packing {
- SOC_MBUS_PACKING_NONE,
- SOC_MBUS_PACKING_2X8_PADHI,
- SOC_MBUS_PACKING_2X8_PADLO,
- SOC_MBUS_PACKING_EXTEND16,
- SOC_MBUS_PACKING_VARIABLE,
- SOC_MBUS_PACKING_1_5X8,
- SOC_MBUS_PACKING_EXTEND32,
-};
-
-/**
- * enum soc_mbus_order - sample order on the media bus
- * @SOC_MBUS_ORDER_LE: least significant sample first
- * @SOC_MBUS_ORDER_BE: most significant sample first
- */
-enum soc_mbus_order {
- SOC_MBUS_ORDER_LE,
- SOC_MBUS_ORDER_BE,
-};
-
-/**
- * enum soc_mbus_layout - planes layout in memory
- * @SOC_MBUS_LAYOUT_PACKED: color components packed
- * @SOC_MBUS_LAYOUT_PLANAR_2Y_U_V: YUV components stored in 3 planes (4:2:2)
- * @SOC_MBUS_LAYOUT_PLANAR_2Y_C: YUV components stored in a luma and a
- * chroma plane (C plane is half the size
- * of Y plane)
- * @SOC_MBUS_LAYOUT_PLANAR_Y_C: YUV components stored in a luma and a
- * chroma plane (C plane is the same size
- * as Y plane)
- */
-enum soc_mbus_layout {
- SOC_MBUS_LAYOUT_PACKED = 0,
- SOC_MBUS_LAYOUT_PLANAR_2Y_U_V,
- SOC_MBUS_LAYOUT_PLANAR_2Y_C,
- SOC_MBUS_LAYOUT_PLANAR_Y_C,
-};
-
-/**
- * struct soc_mbus_pixelfmt - Data format on the media bus
- * @fourcc: Fourcc code, that will be obtained if the data is
- * stored in memory in the following way:
- * @packing: Type of sample-packing, that has to be used
- * @order: Sample order when storing in memory
- * @bits_per_sample: How many bits the bridge has to sample
- */
-struct soc_mbus_pixelfmt {
- u32 fourcc;
- enum soc_mbus_packing packing;
- enum soc_mbus_order order;
- enum soc_mbus_layout layout;
- u8 bits_per_sample;
-};
-
-/**
- * struct soc_mbus_lookup - Lookup FOURCC IDs by mediabus codes for pass-through
- * @code: mediabus pixel-code
- * @fmt: pixel format description
- */
-struct soc_mbus_lookup {
- u32 code;
- struct soc_mbus_pixelfmt fmt;
-};
-
-const struct soc_mbus_pixelfmt *soc_mbus_find_fmtdesc(
- u32 code,
- const struct soc_mbus_lookup *lookup,
- int n);
-const struct soc_mbus_pixelfmt *soc_mbus_get_fmtdesc(
- u32 code);
-s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf);
-s32 soc_mbus_image_size(const struct soc_mbus_pixelfmt *mf,
- u32 bytes_per_line, u32 height);
-int soc_mbus_samples_per_pixel(const struct soc_mbus_pixelfmt *mf,
- unsigned int *numerator, unsigned int *denominator);
-unsigned int soc_mbus_config_compatible(const struct v4l2_mbus_config *cfg,
- unsigned int flags);
-
-#endif
diff --git a/include/media/dvbdev.h b/include/media/dvbdev.h
index 551325858de3..e547cbeee431 100644
--- a/include/media/dvbdev.h
+++ b/include/media/dvbdev.h
@@ -293,8 +293,8 @@ static inline void dvb_register_media_controller(struct dvb_adapter *adap,
*
* @adap: pointer to &struct dvb_adapter
*/
-static inline struct media_device
-*dvb_get_media_controller(struct dvb_adapter *adap)
+static inline struct media_device *
+dvb_get_media_controller(struct dvb_adapter *adap)
{
return adap->mdev;
}
@@ -385,7 +385,7 @@ struct i2c_client;
* with dvb_module_probe() should use dvb_module_release() to unbind.
*
* Return:
- * On success, return an &struct i2c_client, pointing the the bound
+ * On success, return an &struct i2c_client, pointing to the bound
* I2C device. %NULL otherwise.
*
* .. note::
diff --git a/include/media/media-device.h b/include/media/media-device.h
index fa0895430720..1345e6da688a 100644
--- a/include/media/media-device.h
+++ b/include/media/media-device.h
@@ -128,7 +128,7 @@ struct media_device_ops {
*
* Use-case: find tuner entity connected to the decoder
* entity and check if it is available, and activate the
- * the link between them from @enable_source and deactivate
+ * link between them from @enable_source and deactivate
* from @disable_source.
*
* .. note::
diff --git a/include/media/media-devnode.h b/include/media/media-devnode.h
index 6393842c6b21..d27c1c646c28 100644
--- a/include/media/media-devnode.h
+++ b/include/media/media-devnode.h
@@ -39,7 +39,7 @@ struct media_device;
* @poll: pointer to the function that implements poll() syscall
* @ioctl: pointer to the function that implements ioctl() syscall
* @compat_ioctl: pointer to the function that will handle 32 bits userspace
- * calls to the the ioctl() syscall on a Kernel compiled with 64 bits.
+ * calls to the ioctl() syscall on a Kernel compiled with 64 bits.
* @open: pointer to the function that implements open() syscall
* @release: pointer to the function that will release the resources allocated
* by the @open function.
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index cde80ad029b7..cbdfcb79d0d0 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -803,7 +803,7 @@ int __media_entity_setup_link(struct media_link *link, u32 flags);
* @flags: the requested new link flags
*
* The only configurable property is the %MEDIA_LNK_FL_ENABLED link flag
- * flag to enable/disable a link. Links marked with the
+ * to enable/disable a link. Links marked with the
* %MEDIA_LNK_FL_IMMUTABLE link flag can not be enabled or disabled.
*
* When a link is enabled or disabled, the media framework calls the
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
deleted file mode 100644
index 331c343a5b5a..000000000000
--- a/include/media/soc_camera.h
+++ /dev/null
@@ -1,397 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * camera image capture (abstract) bus driver header
- *
- * Copyright (C) 2006, Sascha Hauer, Pengutronix
- * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
- */
-
-#ifndef SOC_CAMERA_H
-#define SOC_CAMERA_H
-
-#include <linux/bitops.h>
-#include <linux/device.h>
-#include <linux/mutex.h>
-#include <linux/pm.h>
-#include <linux/videodev2.h>
-#include <media/videobuf2-v4l2.h>
-#include <media/v4l2-async.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-device.h>
-
-struct file;
-struct soc_camera_desc;
-struct soc_camera_async_client;
-
-struct soc_camera_device {
- struct list_head list; /* list of all registered devices */
- struct soc_camera_desc *sdesc;
- struct device *pdev; /* Platform device */
- struct device *parent; /* Camera host device */
- struct device *control; /* E.g., the i2c client */
- s32 user_width;
- s32 user_height;
- u32 bytesperline; /* for padding, zero if unused */
- u32 sizeimage;
- enum v4l2_colorspace colorspace;
- unsigned char iface; /* Host number */
- unsigned char devnum; /* Device number per host */
- struct soc_camera_sense *sense; /* See comment in struct definition */
- struct video_device *vdev;
- struct v4l2_ctrl_handler ctrl_handler;
- const struct soc_camera_format_xlate *current_fmt;
- struct soc_camera_format_xlate *user_formats;
- int num_user_formats;
- enum v4l2_field field; /* Preserve field over close() */
- void *host_priv; /* Per-device host private data */
- /* soc_camera.c private count. Only accessed with .host_lock held */
- int use_count;
- struct file *streamer; /* stream owner */
- struct v4l2_clk *clk;
- /* Asynchronous subdevice management */
- struct soc_camera_async_client *sasc;
- /* video buffer queue */
- struct vb2_queue vb2_vidq;
-};
-
-/* Host supports programmable stride */
-#define SOCAM_HOST_CAP_STRIDE (1 << 0)
-
-enum soc_camera_subdev_role {
- SOCAM_SUBDEV_DATA_SOURCE = 1,
- SOCAM_SUBDEV_DATA_SINK,
- SOCAM_SUBDEV_DATA_PROCESSOR,
-};
-
-struct soc_camera_async_subdev {
- struct v4l2_async_subdev asd;
- enum soc_camera_subdev_role role;
-};
-
-struct soc_camera_host {
- struct v4l2_device v4l2_dev;
- struct list_head list;
- struct mutex host_lock; /* Main synchronisation lock */
- struct mutex clk_lock; /* Protect pipeline modifications */
- unsigned char nr; /* Host number */
- u32 capabilities;
- struct soc_camera_device *icd; /* Currently attached client */
- void *priv;
- const char *drv_name;
- struct soc_camera_host_ops *ops;
- struct v4l2_async_subdev **asd; /* Flat array, arranged in groups */
- unsigned int *asd_sizes; /* 0-terminated array of asd group sizes */
-};
-
-struct soc_camera_host_ops {
- struct module *owner;
- int (*add)(struct soc_camera_device *);
- void (*remove)(struct soc_camera_device *);
- int (*clock_start)(struct soc_camera_host *);
- void (*clock_stop)(struct soc_camera_host *);
- /*
- * .get_formats() is called for each client device format, but
- * .put_formats() is only called once. Further, if any of the calls to
- * .get_formats() fail, .put_formats() will not be called at all, the
- * failing .get_formats() must then clean up internally.
- */
- int (*get_formats)(struct soc_camera_device *, unsigned int,
- struct soc_camera_format_xlate *);
- void (*put_formats)(struct soc_camera_device *);
- int (*get_selection)(struct soc_camera_device *, struct v4l2_selection *);
- int (*set_selection)(struct soc_camera_device *, struct v4l2_selection *);
- /*
- * The difference to .set_selection() is, that .set_liveselection is not allowed
- * to change the output sizes
- */
- int (*set_liveselection)(struct soc_camera_device *, struct v4l2_selection *);
- int (*set_fmt)(struct soc_camera_device *, struct v4l2_format *);
- int (*try_fmt)(struct soc_camera_device *, struct v4l2_format *);
- int (*init_videobuf2)(struct vb2_queue *,
- struct soc_camera_device *);
- int (*querycap)(struct soc_camera_host *, struct v4l2_capability *);
- int (*set_bus_param)(struct soc_camera_device *);
- int (*get_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
- int (*set_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
- int (*enum_framesizes)(struct soc_camera_device *, struct v4l2_frmsizeenum *);
- __poll_t (*poll)(struct file *, poll_table *);
-};
-
-#define SOCAM_SENSOR_INVERT_PCLK (1 << 0)
-#define SOCAM_SENSOR_INVERT_MCLK (1 << 1)
-#define SOCAM_SENSOR_INVERT_HSYNC (1 << 2)
-#define SOCAM_SENSOR_INVERT_VSYNC (1 << 3)
-#define SOCAM_SENSOR_INVERT_DATA (1 << 4)
-
-struct i2c_board_info;
-struct regulator_bulk_data;
-
-struct soc_camera_subdev_desc {
- /* Per camera SOCAM_SENSOR_* bus flags */
- unsigned long flags;
-
- /* sensor driver private platform data */
- void *drv_priv;
-
- /*
- * Set unbalanced_power to true to deal with legacy drivers, failing to
- * balance their calls to subdevice's .s_power() method. clock_state is
- * then used internally by helper functions, it shouldn't be touched by
- * drivers or the platform code.
- */
- bool unbalanced_power;
- unsigned long clock_state;
-
- /* Optional callbacks to power on or off and reset the sensor */
- int (*power)(struct device *, int);
- int (*reset)(struct device *);
-
- /*
- * some platforms may support different data widths than the sensors
- * native ones due to different data line routing. Let the board code
- * overwrite the width flags.
- */
- int (*set_bus_param)(struct soc_camera_subdev_desc *, unsigned long flags);
- unsigned long (*query_bus_param)(struct soc_camera_subdev_desc *);
- void (*free_bus)(struct soc_camera_subdev_desc *);
-
- /* Optional regulators that have to be managed on power on/off events */
- struct v4l2_subdev_platform_data sd_pdata;
-};
-
-struct soc_camera_host_desc {
- /* Camera bus id, used to match a camera and a bus */
- int bus_id;
- int i2c_adapter_id;
- struct i2c_board_info *board_info;
- const char *module_name;
-
- /*
- * For non-I2C devices platform has to provide methods to add a device
- * to the system and to remove it
- */
- int (*add_device)(struct soc_camera_device *);
- void (*del_device)(struct soc_camera_device *);
-};
-
-/*
- * Platform data for "soc-camera-pdrv"
- * This MUST be kept binary-identical to struct soc_camera_link below, until
- * it is completely replaced by this one, after which we can split it into its
- * two components.
- */
-struct soc_camera_desc {
- struct soc_camera_subdev_desc subdev_desc;
- struct soc_camera_host_desc host_desc;
-};
-
-/* Prepare to replace this struct: don't change its layout any more! */
-struct soc_camera_link {
- /*
- * Subdevice part - keep at top and compatible to
- * struct soc_camera_subdev_desc
- */
-
- /* Per camera SOCAM_SENSOR_* bus flags */
- unsigned long flags;
-
- void *priv;
-
- /* Set by platforms to handle misbehaving drivers */
- bool unbalanced_power;
- /* Used by soc-camera helper functions */
- unsigned long clock_state;
-
- /* Optional callbacks to power on or off and reset the sensor */
- int (*power)(struct device *, int);
- int (*reset)(struct device *);
- /*
- * some platforms may support different data widths than the sensors
- * native ones due to different data line routing. Let the board code
- * overwrite the width flags.
- */
- int (*set_bus_param)(struct soc_camera_link *, unsigned long flags);
- unsigned long (*query_bus_param)(struct soc_camera_link *);
- void (*free_bus)(struct soc_camera_link *);
-
- /* Optional regulators that have to be managed on power on/off events */
- struct regulator_bulk_data *regulators;
- int num_regulators;
-
- void *host_priv;
-
- /*
- * Host part - keep at bottom and compatible to
- * struct soc_camera_host_desc
- */
-
- /* Camera bus id, used to match a camera and a bus */
- int bus_id;
- int i2c_adapter_id;
- struct i2c_board_info *board_info;
- const char *module_name;
-
- /*
- * For non-I2C devices platform has to provide methods to add a device
- * to the system and to remove it
- */
- int (*add_device)(struct soc_camera_device *);
- void (*del_device)(struct soc_camera_device *);
-};
-
-static inline struct soc_camera_host *to_soc_camera_host(
- const struct device *dev)
-{
- struct v4l2_device *v4l2_dev = dev_get_drvdata(dev);
-
- return container_of(v4l2_dev, struct soc_camera_host, v4l2_dev);
-}
-
-static inline struct soc_camera_desc *to_soc_camera_desc(
- const struct soc_camera_device *icd)
-{
- return icd->sdesc;
-}
-
-static inline struct device *to_soc_camera_control(
- const struct soc_camera_device *icd)
-{
- return icd->control;
-}
-
-static inline struct v4l2_subdev *soc_camera_to_subdev(
- const struct soc_camera_device *icd)
-{
- struct device *control = to_soc_camera_control(icd);
- return dev_get_drvdata(control);
-}
-
-int soc_camera_host_register(struct soc_camera_host *ici);
-void soc_camera_host_unregister(struct soc_camera_host *ici);
-
-const struct soc_camera_format_xlate *soc_camera_xlate_by_fourcc(
- struct soc_camera_device *icd, unsigned int fourcc);
-
-/**
- * struct soc_camera_format_xlate - match between host and sensor formats
- * @code: code of a sensor provided format
- * @host_fmt: host format after host translation from code
- *
- * Host and sensor translation structure. Used in table of host and sensor
- * formats matchings in soc_camera_device. A host can override the generic list
- * generation by implementing get_formats(), and use it for format checks and
- * format setup.
- */
-struct soc_camera_format_xlate {
- u32 code;
- const struct soc_mbus_pixelfmt *host_fmt;
-};
-
-#define SOCAM_SENSE_PCLK_CHANGED (1 << 0)
-
-/**
- * This struct can be attached to struct soc_camera_device by the host driver
- * to request sense from the camera, for example, when calling .set_fmt(). The
- * host then can check which flags are set and verify respective values if any.
- * For example, if SOCAM_SENSE_PCLK_CHANGED is set, it means, pixclock has
- * changed during this operation. After completion the host should detach sense.
- *
- * @flags ored SOCAM_SENSE_* flags
- * @master_clock if the host wants to be informed about pixel-clock
- * change, it better set master_clock.
- * @pixel_clock_max maximum pixel clock frequency supported by the host,
- * camera is not allowed to exceed this.
- * @pixel_clock if the camera driver changed pixel clock during this
- * operation, it sets SOCAM_SENSE_PCLK_CHANGED, uses
- * master_clock to calculate the new pixel-clock and
- * sets this field.
- */
-struct soc_camera_sense {
- unsigned long flags;
- unsigned long master_clock;
- unsigned long pixel_clock_max;
- unsigned long pixel_clock;
-};
-
-#define SOCAM_DATAWIDTH(x) BIT((x) - 1)
-#define SOCAM_DATAWIDTH_4 SOCAM_DATAWIDTH(4)
-#define SOCAM_DATAWIDTH_8 SOCAM_DATAWIDTH(8)
-#define SOCAM_DATAWIDTH_9 SOCAM_DATAWIDTH(9)
-#define SOCAM_DATAWIDTH_10 SOCAM_DATAWIDTH(10)
-#define SOCAM_DATAWIDTH_12 SOCAM_DATAWIDTH(12)
-#define SOCAM_DATAWIDTH_15 SOCAM_DATAWIDTH(15)
-#define SOCAM_DATAWIDTH_16 SOCAM_DATAWIDTH(16)
-#define SOCAM_DATAWIDTH_18 SOCAM_DATAWIDTH(18)
-#define SOCAM_DATAWIDTH_24 SOCAM_DATAWIDTH(24)
-
-#define SOCAM_DATAWIDTH_MASK (SOCAM_DATAWIDTH_4 | SOCAM_DATAWIDTH_8 | \
- SOCAM_DATAWIDTH_9 | SOCAM_DATAWIDTH_10 | \
- SOCAM_DATAWIDTH_12 | SOCAM_DATAWIDTH_15 | \
- SOCAM_DATAWIDTH_16 | SOCAM_DATAWIDTH_18 | \
- SOCAM_DATAWIDTH_24)
-
-static inline void soc_camera_limit_side(int *start, int *length,
- unsigned int start_min,
- unsigned int length_min, unsigned int length_max)
-{
- if (*length < length_min)
- *length = length_min;
- else if (*length > length_max)
- *length = length_max;
-
- if (*start < start_min)
- *start = start_min;
- else if (*start > start_min + length_max - *length)
- *start = start_min + length_max - *length;
-}
-
-unsigned long soc_camera_apply_board_flags(struct soc_camera_subdev_desc *ssdd,
- const struct v4l2_mbus_config *cfg);
-
-int soc_camera_power_init(struct device *dev, struct soc_camera_subdev_desc *ssdd);
-int soc_camera_power_on(struct device *dev, struct soc_camera_subdev_desc *ssdd,
- struct v4l2_clk *clk);
-int soc_camera_power_off(struct device *dev, struct soc_camera_subdev_desc *ssdd,
- struct v4l2_clk *clk);
-
-static inline int soc_camera_set_power(struct device *dev,
- struct soc_camera_subdev_desc *ssdd, struct v4l2_clk *clk, bool on)
-{
- return on ? soc_camera_power_on(dev, ssdd, clk)
- : soc_camera_power_off(dev, ssdd, clk);
-}
-
-/* This is only temporary here - until v4l2-subdev begins to link to video_device */
-#include <linux/i2c.h>
-static inline struct video_device *soc_camera_i2c_to_vdev(const struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
- return icd ? icd->vdev : NULL;
-}
-
-static inline struct soc_camera_subdev_desc *soc_camera_i2c_to_desc(const struct i2c_client *client)
-{
- return client->dev.platform_data;
-}
-
-static inline struct v4l2_subdev *soc_camera_vdev_to_subdev(struct video_device *vdev)
-{
- struct soc_camera_device *icd = video_get_drvdata(vdev);
- return soc_camera_to_subdev(icd);
-}
-
-static inline struct soc_camera_device *soc_camera_from_vb2q(const struct vb2_queue *vq)
-{
- return container_of(vq, struct soc_camera_device, vb2_vidq);
-}
-
-static inline u32 soc_camera_grp_id(const struct soc_camera_device *icd)
-{
- return (icd->iface << 8) | (icd->devnum + 1);
-}
-
-void soc_camera_lock(struct vb2_queue *vq);
-void soc_camera_unlock(struct vb2_queue *vq);
-
-#endif
diff --git a/include/media/tpg/v4l2-tpg.h b/include/media/tpg/v4l2-tpg.h
index eb191e85d363..0b0ddb87380e 100644
--- a/include/media/tpg/v4l2-tpg.h
+++ b/include/media/tpg/v4l2-tpg.h
@@ -241,7 +241,7 @@ void tpg_log_status(struct tpg_data *tpg);
void tpg_set_font(const u8 *f);
void tpg_gen_text(const struct tpg_data *tpg,
- u8 *basep[TPG_MAX_PLANES][2], int y, int x, char *text);
+ u8 *basep[TPG_MAX_PLANES][2], int y, int x, const char *text);
void tpg_calc_text_basep(struct tpg_data *tpg,
u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf);
unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line);
@@ -252,6 +252,7 @@ void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std,
bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc);
void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop,
const struct v4l2_rect *compose);
+const char *tpg_g_color_order(const struct tpg_data *tpg);
static inline void tpg_s_pattern(struct tpg_data *tpg, enum tpg_pattern pattern)
{
diff --git a/include/media/v4l2-mc.h b/include/media/v4l2-mc.h
index 246eed398648..bdaa5f2f8ca2 100644
--- a/include/media/v4l2-mc.h
+++ b/include/media/v4l2-mc.h
@@ -89,8 +89,8 @@ int v4l_vb2q_enable_media_source(struct vb2_queue *q);
* v4l2_create_fwnode_links_to_pad - Create fwnode-based links from a
* source subdev to a sink subdev pad.
*
- * @src_sd - pointer to a source subdev
- * @sink - pointer to a subdev sink pad
+ * @src_sd: pointer to a source subdev
+ * @sink: pointer to a subdev sink pad
*
* This function searches for fwnode endpoint connections from a source
* subdevice to a single sink pad, and if suitable connections are found,
@@ -113,8 +113,8 @@ int v4l2_create_fwnode_links_to_pad(struct v4l2_subdev *src_sd,
* v4l2_create_fwnode_links - Create fwnode-based links from a source
* subdev to a sink subdev.
*
- * @src_sd - pointer to a source subdevice
- * @sink_sd - pointer to a sink subdevice
+ * @src_sd: pointer to a source subdevice
+ * @sink_sd: pointer to a sink subdevice
*
* This function searches for any and all fwnode endpoint connections
* between source and sink subdevices, and translates them into media
diff --git a/include/media/v4l2-rect.h b/include/media/v4l2-rect.h
index 8800a640c224..bd587d0c0dc3 100644
--- a/include/media/v4l2-rect.h
+++ b/include/media/v4l2-rect.h
@@ -184,4 +184,24 @@ static inline bool v4l2_rect_overlap(const struct v4l2_rect *r1,
return true;
}
+/**
+ * v4l2_rect_enclosed() - is r1 enclosed in r2?
+ * @r1: rectangle.
+ * @r2: rectangle.
+ *
+ * Returns true if @r1 is enclosed in @r2.
+ */
+static inline bool v4l2_rect_enclosed(struct v4l2_rect *r1,
+ struct v4l2_rect *r2)
+{
+ if (r1->left < r2->left || r1->top < r2->top)
+ return false;
+ if (r1->left + r1->width > r2->left + r2->width)
+ return false;
+ if (r1->top + r1->height > r2->top + r2->height)
+ return false;
+
+ return true;
+}
+
#endif
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index f7fe78a6f65a..d4e3b44cf14c 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -566,9 +566,9 @@ struct v4l2_subdev_ir_parameters {
*
* @rx_read: Reads received codes or pulse width data.
* The semantics are similar to a non-blocking read() call.
- * @rx_g_parameters: Get the current operating parameters and state of the
+ * @rx_g_parameters: Get the current operating parameters and state of
* the IR receiver.
- * @rx_s_parameters: Set the current operating parameters and state of the
+ * @rx_s_parameters: Set the current operating parameters and state of
* the IR receiver. It is recommended to call
* [rt]x_g_parameters first to fill out the current state, and only change
* the fields that need to be changed. Upon return, the actual device
@@ -582,9 +582,9 @@ struct v4l2_subdev_ir_parameters {
*
* @tx_write: Writes codes or pulse width data for transmission.
* The semantics are similar to a non-blocking write() call.
- * @tx_g_parameters: Get the current operating parameters and state of the
+ * @tx_g_parameters: Get the current operating parameters and state of
* the IR transmitter.
- * @tx_s_parameters: Set the current operating parameters and state of the
+ * @tx_s_parameters: Set the current operating parameters and state of
* the IR transmitter. It is recommended to call
* [rt]x_g_parameters first to fill out the current state, and only change
* the fields that need to be changed. Upon return, the actual device
@@ -930,10 +930,10 @@ struct v4l2_subdev_fh {
* @cfg: pointer to &struct v4l2_subdev_pad_config array.
* @pad: index of the pad in the @cfg array.
*/
-static inline struct v4l2_mbus_framefmt
-*v4l2_subdev_get_try_format(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- unsigned int pad)
+static inline struct v4l2_mbus_framefmt *
+v4l2_subdev_get_try_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ unsigned int pad)
{
if (WARN_ON(pad >= sd->entity.num_pads))
pad = 0;
@@ -948,10 +948,10 @@ static inline struct v4l2_mbus_framefmt
* @cfg: pointer to &struct v4l2_subdev_pad_config array.
* @pad: index of the pad in the @cfg array.
*/
-static inline struct v4l2_rect
-*v4l2_subdev_get_try_crop(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- unsigned int pad)
+static inline struct v4l2_rect *
+v4l2_subdev_get_try_crop(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ unsigned int pad)
{
if (WARN_ON(pad >= sd->entity.num_pads))
pad = 0;
@@ -959,22 +959,23 @@ static inline struct v4l2_rect
}
/**
- * v4l2_subdev_get_try_crop - ancillary routine to call
+ * v4l2_subdev_get_try_compose - ancillary routine to call
* &struct v4l2_subdev_pad_config->try_compose
*
* @sd: pointer to &struct v4l2_subdev
* @cfg: pointer to &struct v4l2_subdev_pad_config array.
* @pad: index of the pad in the @cfg array.
*/
-static inline struct v4l2_rect
-*v4l2_subdev_get_try_compose(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- unsigned int pad)
+static inline struct v4l2_rect *
+v4l2_subdev_get_try_compose(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ unsigned int pad)
{
if (WARN_ON(pad >= sd->entity.num_pads))
pad = 0;
return &cfg[pad].try_compose;
}
+
#endif
extern const struct v4l2_file_operations v4l2_subdev_fops;
@@ -1031,8 +1032,8 @@ static inline void *v4l2_get_subdev_hostdata(const struct v4l2_subdev *sd)
* v4l2_subdev_get_fwnode_pad_1_to_1 - Get pad number from a subdev fwnode
* endpoint, assuming 1:1 port:pad
*
- * @entity - Pointer to the subdev entity
- * @endpoint - Pointer to a parsed fwnode endpoint
+ * @entity: Pointer to the subdev entity
+ * @endpoint: Pointer to a parsed fwnode endpoint
*
* This function can be used as the .get_fwnode_pad operation for
* subdevices that map port numbers and pad indexes 1:1. If the endpoint
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index f11b96514cf7..52ef92049073 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -263,6 +263,10 @@ struct vb2_buffer {
* after the 'buf_finish' op is called.
* copied_timestamp: the timestamp of this capture buffer was copied
* from an output buffer.
+ * need_cache_sync_on_prepare: when set buffer's ->prepare() function
+ * performs cache sync/invalidation.
+ * need_cache_sync_on_finish: when set buffer's ->finish() function
+ * performs cache sync/invalidation.
* queued_entry: entry on the queued buffers list, which holds
* all buffers queued from userspace
* done_entry: entry on the list that stores all buffers ready
@@ -273,6 +277,8 @@ struct vb2_buffer {
unsigned int synced:1;
unsigned int prepared:1;
unsigned int copied_timestamp:1;
+ unsigned int need_cache_sync_on_prepare:1;
+ unsigned int need_cache_sync_on_finish:1;
struct vb2_plane planes[VB2_MAX_PLANES];
struct list_head queued_entry;
@@ -491,6 +497,9 @@ struct vb2_buf_ops {
* @uses_requests: requests are used for this queue. Set to 1 the first time
* a request is queued. Set to 0 when the queue is canceled.
* If this is 1, then you cannot queue buffers directly.
+ * @allow_cache_hints: when set user-space can pass cache management hints in
+ * order to skip cache flush/invalidation on ->prepare() or/and
+ * ->finish().
* @lock: pointer to a mutex that protects the &struct vb2_queue. The
* driver can set this to a mutex to let the v4l2 core serialize
* the queuing ioctls. If the driver wants to handle locking
@@ -552,21 +561,24 @@ struct vb2_buf_ops {
* when a buffer with the %V4L2_BUF_FLAG_LAST is dequeued.
* @fileio: file io emulator internal data, used only if emulator is active
* @threadio: thread io internal data, used only if thread is active
+ * @name: queue name, used for logging purpose. Initialized automatically
+ * if left empty by drivers.
*/
struct vb2_queue {
unsigned int type;
unsigned int io_modes;
struct device *dev;
unsigned long dma_attrs;
- unsigned bidirectional:1;
- unsigned fileio_read_once:1;
- unsigned fileio_write_immediately:1;
- unsigned allow_zero_bytesused:1;
- unsigned quirk_poll_must_check_waiting_for_buffers:1;
- unsigned supports_requests:1;
- unsigned requires_requests:1;
- unsigned uses_qbuf:1;
- unsigned uses_requests:1;
+ unsigned int bidirectional:1;
+ unsigned int fileio_read_once:1;
+ unsigned int fileio_write_immediately:1;
+ unsigned int allow_zero_bytesused:1;
+ unsigned int quirk_poll_must_check_waiting_for_buffers:1;
+ unsigned int supports_requests:1;
+ unsigned int requires_requests:1;
+ unsigned int uses_qbuf:1;
+ unsigned int uses_requests:1;
+ unsigned int allow_cache_hints:1;
struct mutex *lock;
void *owner;
@@ -612,6 +624,8 @@ struct vb2_queue {
struct vb2_fileio_data *fileio;
struct vb2_threadio_data *threadio;
+ char name[32];
+
#ifdef CONFIG_VIDEO_ADV_DEBUG
/*
* Counters for how often these queue-related ops are
@@ -626,6 +640,17 @@ struct vb2_queue {
};
/**
+ * vb2_queue_allows_cache_hints() - Return true if the queue allows cache
+ * and memory consistency hints.
+ *
+ * @q: pointer to &struct vb2_queue with videobuf2 queue
+ */
+static inline bool vb2_queue_allows_cache_hints(struct vb2_queue *q)
+{
+ return q->allow_cache_hints && q->memory == VB2_MEMORY_MMAP;
+}
+
+/**
* vb2_plane_vaddr() - Return a kernel virtual address of a given plane.
* @vb: pointer to &struct vb2_buffer to which the plane in
* question belongs to.
@@ -719,6 +744,8 @@ void vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb);
* vb2_core_reqbufs() - Initiate streaming.
* @q: pointer to &struct vb2_queue with videobuf2 queue.
* @memory: memory type, as defined by &enum vb2_memory.
+ * @flags: auxiliary queue/buffer management flags. Currently, the only
+ * used flag is %V4L2_FLAG_MEMORY_NON_CONSISTENT.
* @count: requested buffer count.
*
* Videobuf2 core helper to implement VIDIOC_REQBUF() operation. It is called
@@ -743,12 +770,13 @@ void vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb);
* Return: returns zero on success; an error code otherwise.
*/
int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
- unsigned int *count);
+ unsigned int flags, unsigned int *count);
/**
* vb2_core_create_bufs() - Allocate buffers and any required auxiliary structs
* @q: pointer to &struct vb2_queue with videobuf2 queue.
* @memory: memory type, as defined by &enum vb2_memory.
+ * @flags: auxiliary queue/buffer management flags.
* @count: requested buffer count.
* @requested_planes: number of planes requested.
* @requested_sizes: array with the size of the planes.
@@ -766,7 +794,8 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
* Return: returns zero on success; an error code otherwise.
*/
int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
- unsigned int *count, unsigned int requested_planes,
+ unsigned int flags, unsigned int *count,
+ unsigned int requested_planes,
const unsigned int requested_sizes[]);
/**
diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h
index 59bf33a12648..b7b5a9cb5a28 100644
--- a/include/media/videobuf2-v4l2.h
+++ b/include/media/videobuf2-v4l2.h
@@ -237,6 +237,19 @@ int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type);
int __must_check vb2_queue_init(struct vb2_queue *q);
/**
+ * vb2_queue_init_name() - initialize a videobuf2 queue with a name
+ * @q: pointer to &struct vb2_queue with videobuf2 queue.
+ * @name: the queue name
+ *
+ * This function initializes the vb2_queue exactly like vb2_queue_init(),
+ * and additionally sets the queue name. The queue name is used for logging
+ * purpose, and should uniquely identify the queue within the context of the
+ * device it belongs to. This is useful to attribute kernel log messages to the
+ * right queue for m2m devices or other devices that handle multiple queues.
+ */
+int __must_check vb2_queue_init_name(struct vb2_queue *q, const char *name);
+
+/**
* vb2_queue_release() - stop streaming, release the queue and free memory
* @q: pointer to &struct vb2_queue with videobuf2 queue.
*
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index c3a1cf1c507f..c7b70ff53bc1 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -171,6 +171,8 @@ enum v4l2_buf_type {
|| (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
|| (type) == V4L2_BUF_TYPE_META_OUTPUT)
+#define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
+
enum v4l2_tuner_type {
V4L2_TUNER_RADIO = 1,
V4L2_TUNER_ANALOG_TV = 2,
@@ -189,6 +191,8 @@ enum v4l2_memory {
V4L2_MEMORY_DMABUF = 4,
};
+#define V4L2_FLAG_MEMORY_NON_CONSISTENT (1 << 0)
+
/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
enum v4l2_colorspace {
/*
@@ -792,6 +796,7 @@ struct v4l2_fmtdesc {
#define V4L2_FMT_FLAG_EMULATED 0x0002
#define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
#define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
+#define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
/* Frame Size and frame rate enumeration */
/*
@@ -944,7 +949,10 @@ struct v4l2_requestbuffers {
__u32 type; /* enum v4l2_buf_type */
__u32 memory; /* enum v4l2_memory */
__u32 capabilities;
- __u32 reserved[1];
+ union {
+ __u32 flags;
+ __u32 reserved[1];
+ };
};
/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
@@ -954,6 +962,7 @@ struct v4l2_requestbuffers {
#define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
#define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
#define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
+#define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
/**
* struct v4l2_plane - plane info for multi-planar buffers
@@ -2447,6 +2456,9 @@ struct v4l2_dbg_chip_info {
* @memory: enum v4l2_memory; buffer memory type
* @format: frame format, for which buffers are requested
* @capabilities: capabilities of this buffer type.
+ * @flags: additional buffer management attributes (ignored unless the
+ * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
+ * and configured for MMAP streaming I/O).
* @reserved: future extensions
*/
struct v4l2_create_buffers {
@@ -2455,7 +2467,8 @@ struct v4l2_create_buffers {
__u32 memory;
struct v4l2_format format;
__u32 capabilities;
- __u32 reserved[7];
+ __u32 flags;
+ __u32 reserved[6];
};
/*