diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx.h')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx.h | 120 |
1 files changed, 83 insertions, 37 deletions
diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h index f8726ad5d0a8..32d8a4bb7961 100644 --- a/drivers/media/usb/em28xx/em28xx.h +++ b/drivers/media/usb/em28xx/em28xx.h @@ -26,6 +26,9 @@ #ifndef _EM28XX_H #define _EM28XX_H +#define EM28XX_VERSION "0.2.1" +#define DRIVER_DESC "Empia em28xx device driver" + #include <linux/workqueue.h> #include <linux/i2c.h> #include <linux/mutex.h> @@ -132,6 +135,8 @@ #define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 #define EM2874_BOARD_DELOCK_61959 89 #define EM2874_BOARD_KWORLD_UB435Q_V2 90 +#define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91 +#define EM28178_BOARD_PCTV_461E 92 /* Limits minimum and default number of buffers */ #define EM28XX_MIN_BUF 4 @@ -178,8 +183,27 @@ #define EM28XX_INTERLACED_DEFAULT 1 -/* time in msecs to wait for i2c writes to finish */ -#define EM2800_I2C_XFER_TIMEOUT 20 +/* + * Time in msecs to wait for i2c xfers to finish. + * 35ms is the maximum time a SMBUS device could wait when + * clock stretching is used. As the transfer itself will take + * some time to happen, set it to 35 ms. + * + * Ok, I2C doesn't specify any limit. So, eventually, we may need + * to increase this timeout. + * + * FIXME: this assumes that an I2C message is not longer than 1ms. + * This is actually dependent on the I2C bus speed, although most + * devices use a 100kHz clock. So, this assumtion is true most of + * the time. + */ +#define EM28XX_I2C_XFER_TIMEOUT 36 + +/* time in msecs to wait for AC97 xfers to finish */ +#define EM28XX_AC97_XFER_TIMEOUT 100 + +/* max. number of button state polling addresses */ +#define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5 enum em28xx_mode { EM28XX_SUSPEND, @@ -287,8 +311,7 @@ struct em28xx_audio_mode { unsigned int has_audio:1; - unsigned int i2s_3rates:1; - unsigned int i2s_5rates:1; + u8 i2s_samplerates; }; /* em28xx has two audio inputs: tuner and line in. @@ -374,6 +397,33 @@ enum em28xx_adecoder { EM28XX_TVAUDIO, }; +enum em28xx_led_role { + EM28XX_LED_ANALOG_CAPTURING = 0, + EM28XX_LED_ILLUMINATION, + EM28XX_NUM_LED_ROLES, /* must be the last */ +}; + +struct em28xx_led { + enum em28xx_led_role role; + u8 gpio_reg; + u8 gpio_mask; + bool inverted; +}; + +enum em28xx_button_role { + EM28XX_BUTTON_SNAPSHOT = 0, + EM28XX_BUTTON_ILLUMINATION, + EM28XX_NUM_BUTTON_ROLES, /* must be the last */ +}; + +struct em28xx_button { + enum em28xx_button_role role; + u8 reg_r; + u8 reg_clearing; + u8 mask; + bool inverted; +}; + struct em28xx_board { char *name; int vchannels; @@ -395,7 +445,6 @@ struct em28xx_board { unsigned int mts_firmware:1; unsigned int max_range_640_480:1; unsigned int has_dvb:1; - unsigned int has_snapshot_button:1; unsigned int is_webcam:1; unsigned int valid:1; unsigned int has_ir_i2c:1; @@ -410,6 +459,12 @@ struct em28xx_board { struct em28xx_input input[MAX_EM28XX_INPUT]; struct em28xx_input radio; char *ir_codes; + + /* LEDs that need to be controlled explicitly */ + struct em28xx_led *leds; + + /* Buttons */ + struct em28xx_button *buttons; }; struct em28xx_eeprom { @@ -426,15 +481,13 @@ struct em28xx_eeprom { u8 string_idx_table; }; -#define EM28XX_AUDIO_BUFS 5 -#define EM28XX_NUM_AUDIO_PACKETS 64 -#define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */ #define EM28XX_CAPTURE_STREAM_EN 1 /* em28xx extensions */ #define EM28XX_AUDIO 0x10 #define EM28XX_DVB 0x20 #define EM28XX_RC 0x30 +#define EM28XX_V4L2 0x40 /* em28xx resource types (used for res_get/res_lock etc */ #define EM28XX_RESOURCE_VIDEO 0x01 @@ -442,8 +495,9 @@ struct em28xx_eeprom { struct em28xx_audio { char name[50]; - char *transfer_buffer[EM28XX_AUDIO_BUFS]; - struct urb *urb[EM28XX_AUDIO_BUFS]; + unsigned num_urb; + char **transfer_buffer; + struct urb **urb; struct usb_device *udev; unsigned int capture_transfer_done; struct snd_pcm_substream *capture_pcm_substream; @@ -451,6 +505,8 @@ struct em28xx_audio { unsigned int hwptr_done_capture; struct snd_card *sndcard; + size_t period; + int users; spinlock_t slock; }; @@ -485,11 +541,13 @@ struct em28xx { int model; /* index in the device_data struct */ int devno; /* marks the number of this device */ enum em28xx_chip_id chip_id; - unsigned int is_em25xx:1; /* em25xx/em276x/7x/8x family bridge */ + unsigned int is_em25xx:1; /* em25xx/em276x/7x/8x family bridge */ unsigned char disconnected:1; /* device has been diconnected */ - - int audio_ifnum; + unsigned int has_video:1; + unsigned int has_audio_class:1; + unsigned int has_alsa_audio:1; + unsigned int is_audio_only:1; struct v4l2_device v4l2_dev; struct v4l2_ctrl_handler ctrl_handler; @@ -507,10 +565,6 @@ struct em28xx { /* Vinmode/Vinctl used at the driver */ int vinmode, vinctl; - unsigned int has_audio_class:1; - unsigned int has_alsa_audio:1; - unsigned int is_audio_only:1; - /* Controls audio streaming */ struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */ atomic_t stream_started; /* stream should be running if true */ @@ -608,6 +662,7 @@ struct em28xx { /* usb transfer */ struct usb_device *udev; /* the usb device */ + u8 ifnum; /* number of the assigned usb interface */ u8 analog_ep_isoc; /* address of isoc endpoint for analog */ u8 analog_ep_bulk; /* address of bulk endpoint for analog */ u8 dvb_ep_isoc; /* address of isoc endpoint for DVB */ @@ -639,10 +694,15 @@ struct em28xx { enum em28xx_mode mode; - /* Snapshot button */ + /* Button state polling */ + struct delayed_work buttons_query_work; + u8 button_polling_addresses[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; + u8 button_polling_last_values[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; + u8 num_button_polling_addresses; + u16 button_polling_interval; /* [ms] */ + /* Snapshot button input device */ char snapshot_button_path[30]; /* path of the input dev */ struct input_dev *sbutton_input_dev; - struct delayed_work sbutton_query_work; struct em28xx_dvb *dvb; }; @@ -672,6 +732,7 @@ int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, u8 bitmask); +int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask); int em28xx_read_ac97(struct em28xx *dev, u8 reg); int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); @@ -679,12 +740,9 @@ int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); int em28xx_audio_analog_set(struct em28xx *dev); int em28xx_audio_setup(struct em28xx *dev); -int em28xx_colorlevels_set_default(struct em28xx *dev); +const struct em28xx_led *em28xx_find_led(struct em28xx *dev, + enum em28xx_led_role role); int em28xx_capture_start(struct em28xx *dev, int start); -int em28xx_vbi_supported(struct em28xx *dev); -int em28xx_set_outfmt(struct em28xx *dev); -int em28xx_resolution_set(struct em28xx *dev); -int em28xx_set_alternate(struct em28xx *dev); int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk, int num_bufs, int max_pkt_size, int packet_multiplier); int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode, @@ -696,30 +754,18 @@ void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode); void em28xx_stop_urbs(struct em28xx *dev); int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode); int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio); -void em28xx_wake_i2c(struct em28xx *dev); int em28xx_register_extension(struct em28xx_ops *dev); void em28xx_unregister_extension(struct em28xx_ops *dev); void em28xx_init_extension(struct em28xx *dev); void em28xx_close_extension(struct em28xx *dev); -/* Provided by em28xx-video.c */ -int em28xx_vb2_setup(struct em28xx *dev); -int em28xx_register_analog_devices(struct em28xx *dev); -void em28xx_release_analog_resources(struct em28xx *dev); -void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv); -int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count); -int em28xx_stop_vbi_streaming(struct vb2_queue *vq); -extern const struct v4l2_ctrl_ops em28xx_ctrl_ops; - /* Provided by em28xx-cards.c */ extern struct em28xx_board em28xx_boards[]; extern struct usb_device_id em28xx_id_table[]; int em28xx_tuner_callback(void *ptr, int component, int command, int arg); +void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl); void em28xx_release_resources(struct em28xx *dev); -/* Provided by em28xx-vbi.c */ -extern struct vb2_ops em28xx_vbi_qops; - /* Provided by em28xx-camera.c */ int em28xx_detect_sensor(struct em28xx *dev); int em28xx_init_camera(struct em28xx *dev); |