diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/adv7604.h | 124 | ||||
| -rw-r--r-- | include/media/davinci/vpbe_display.h | 6 | ||||
| -rw-r--r-- | include/media/davinci/vpfe_capture.h | 6 | ||||
| -rw-r--r-- | include/media/exynos-fimc.h (renamed from include/media/s5p_fimc.h) | 21 | ||||
| -rw-r--r-- | include/media/media-device.h | 4 | ||||
| -rw-r--r-- | include/media/media-devnode.h | 3 | ||||
| -rw-r--r-- | include/media/v4l2-device.h | 8 | ||||
| -rw-r--r-- | include/media/v4l2-event.h | 4 | ||||
| -rw-r--r-- | include/media/v4l2-subdev.h | 37 | ||||
| -rw-r--r-- | include/media/videobuf2-core.h | 51 | ||||
| -rw-r--r-- | include/media/videobuf2-dvb.h | 58 |
11 files changed, 213 insertions, 109 deletions
diff --git a/include/media/adv7604.h b/include/media/adv7604.h index d262a3a922bd..aa1c4477722d 100644 --- a/include/media/adv7604.h +++ b/include/media/adv7604.h @@ -21,6 +21,8 @@ #ifndef _ADV7604_ #define _ADV7604_ +#include <linux/types.h> + /* Analog input muxing modes (AFE register 0x02, [2:0]) */ enum adv7604_ain_sel { ADV7604_AIN1_2_3_NC_SYNC_1_2 = 0, @@ -30,14 +32,18 @@ enum adv7604_ain_sel { ADV7604_AIN9_4_5_6_SYNC_2_1 = 4, }; -/* Bus rotation and reordering (IO register 0x04, [7:5]) */ -enum adv7604_op_ch_sel { - ADV7604_OP_CH_SEL_GBR = 0, - ADV7604_OP_CH_SEL_GRB = 1, - ADV7604_OP_CH_SEL_BGR = 2, - ADV7604_OP_CH_SEL_RGB = 3, - ADV7604_OP_CH_SEL_BRG = 4, - ADV7604_OP_CH_SEL_RBG = 5, +/* + * Bus rotation and reordering. This is used to specify component reordering on + * the board and describes the components order on the bus when the ADV7604 + * outputs RGB. + */ +enum adv7604_bus_order { + ADV7604_BUS_ORDER_RGB, /* No operation */ + ADV7604_BUS_ORDER_GRB, /* Swap 1-2 */ + ADV7604_BUS_ORDER_RBG, /* Swap 2-3 */ + ADV7604_BUS_ORDER_BGR, /* Swap 1-3 */ + ADV7604_BUS_ORDER_BRG, /* Rotate right */ + ADV7604_BUS_ORDER_GBR, /* Rotate left */ }; /* Input Color Space (IO register 0x02, [7:4]) */ @@ -53,29 +59,11 @@ enum adv7604_inp_color_space { ADV7604_INP_COLOR_SPACE_AUTO = 0xf, }; -/* Select output format (IO register 0x03, [7:0]) */ -enum adv7604_op_format_sel { - ADV7604_OP_FORMAT_SEL_SDR_ITU656_8 = 0x00, - ADV7604_OP_FORMAT_SEL_SDR_ITU656_10 = 0x01, - ADV7604_OP_FORMAT_SEL_SDR_ITU656_12_MODE0 = 0x02, - ADV7604_OP_FORMAT_SEL_SDR_ITU656_12_MODE1 = 0x06, - ADV7604_OP_FORMAT_SEL_SDR_ITU656_12_MODE2 = 0x0a, - ADV7604_OP_FORMAT_SEL_DDR_422_8 = 0x20, - ADV7604_OP_FORMAT_SEL_DDR_422_10 = 0x21, - ADV7604_OP_FORMAT_SEL_DDR_422_12_MODE0 = 0x22, - ADV7604_OP_FORMAT_SEL_DDR_422_12_MODE1 = 0x23, - ADV7604_OP_FORMAT_SEL_DDR_422_12_MODE2 = 0x24, - ADV7604_OP_FORMAT_SEL_SDR_444_24 = 0x40, - ADV7604_OP_FORMAT_SEL_SDR_444_30 = 0x41, - ADV7604_OP_FORMAT_SEL_SDR_444_36_MODE0 = 0x42, - ADV7604_OP_FORMAT_SEL_DDR_444_24 = 0x60, - ADV7604_OP_FORMAT_SEL_DDR_444_30 = 0x61, - ADV7604_OP_FORMAT_SEL_DDR_444_36 = 0x62, - ADV7604_OP_FORMAT_SEL_SDR_ITU656_16 = 0x80, - ADV7604_OP_FORMAT_SEL_SDR_ITU656_20 = 0x81, - ADV7604_OP_FORMAT_SEL_SDR_ITU656_24_MODE0 = 0x82, - ADV7604_OP_FORMAT_SEL_SDR_ITU656_24_MODE1 = 0x86, - ADV7604_OP_FORMAT_SEL_SDR_ITU656_24_MODE2 = 0x8a, +/* Select output format (IO register 0x03, [4:2]) */ +enum adv7604_op_format_mode_sel { + ADV7604_OP_FORMAT_MODE0 = 0x00, + ADV7604_OP_FORMAT_MODE1 = 0x04, + ADV7604_OP_FORMAT_MODE2 = 0x08, }; enum adv7604_drive_strength { @@ -84,6 +72,30 @@ enum adv7604_drive_strength { ADV7604_DR_STR_HIGH = 3, }; +enum adv7604_int1_config { + ADV7604_INT1_CONFIG_OPEN_DRAIN, + ADV7604_INT1_CONFIG_ACTIVE_LOW, + ADV7604_INT1_CONFIG_ACTIVE_HIGH, + ADV7604_INT1_CONFIG_DISABLED, +}; + +enum adv7604_page { + ADV7604_PAGE_IO, + ADV7604_PAGE_AVLINK, + ADV7604_PAGE_CEC, + ADV7604_PAGE_INFOFRAME, + ADV7604_PAGE_ESDP, + ADV7604_PAGE_DPP, + ADV7604_PAGE_AFE, + ADV7604_PAGE_REP, + ADV7604_PAGE_EDID, + ADV7604_PAGE_HDMI, + ADV7604_PAGE_TEST, + ADV7604_PAGE_CP, + ADV7604_PAGE_VDP, + ADV7604_PAGE_MAX, +}; + /* Platform dependent definition */ struct adv7604_platform_data { /* DIS_PWRDNB: 1 if the PWRDNB pin is unused and unconnected */ @@ -92,30 +104,34 @@ struct adv7604_platform_data { /* DIS_CABLE_DET_RST: 1 if the 5V pins are unused and unconnected */ unsigned disable_cable_det_rst:1; + int default_input; + /* Analog input muxing mode */ enum adv7604_ain_sel ain_sel; /* Bus rotation and reordering */ - enum adv7604_op_ch_sel op_ch_sel; + enum adv7604_bus_order bus_order; - /* Select output format */ - enum adv7604_op_format_sel op_format_sel; + /* Select output format mode */ + enum adv7604_op_format_mode_sel op_format_mode_sel; + + /* Configuration of the INT1 pin */ + enum adv7604_int1_config int1_config; /* IO register 0x02 */ unsigned alt_gamma:1; unsigned op_656_range:1; - unsigned rgb_out:1; unsigned alt_data_sat:1; /* IO register 0x05 */ unsigned blank_data:1; unsigned insert_av_codes:1; unsigned replicate_av_codes:1; - unsigned invert_cbcr:1; /* IO register 0x06 */ unsigned inv_vs_pol:1; unsigned inv_hs_pol:1; + unsigned inv_llc_pol:1; /* IO register 0x14 */ enum adv7604_drive_strength dr_str_data; @@ -129,34 +145,22 @@ struct adv7604_platform_data { unsigned hdmi_free_run_mode; /* i2c addresses: 0 == use default */ - u8 i2c_avlink; - u8 i2c_cec; - u8 i2c_infoframe; - u8 i2c_esdp; - u8 i2c_dpp; - u8 i2c_afe; - u8 i2c_repeater; - u8 i2c_edid; - u8 i2c_hdmi; - u8 i2c_test; - u8 i2c_cp; - u8 i2c_vdp; + u8 i2c_addresses[ADV7604_PAGE_MAX]; }; -enum adv7604_input_port { - ADV7604_INPUT_HDMI_PORT_A, - ADV7604_INPUT_HDMI_PORT_B, - ADV7604_INPUT_HDMI_PORT_C, - ADV7604_INPUT_HDMI_PORT_D, - ADV7604_INPUT_VGA_RGB, - ADV7604_INPUT_VGA_COMP, +enum adv7604_pad { + ADV7604_PAD_HDMI_PORT_A = 0, + ADV7604_PAD_HDMI_PORT_B = 1, + ADV7604_PAD_HDMI_PORT_C = 2, + ADV7604_PAD_HDMI_PORT_D = 3, + ADV7604_PAD_VGA_RGB = 4, + ADV7604_PAD_VGA_COMP = 5, + /* The source pad is either 1 (ADV7611) or 6 (ADV7604) */ + ADV7604_PAD_SOURCE = 6, + ADV7611_PAD_SOURCE = 1, + ADV7604_PAD_MAX = 7, }; -#define ADV7604_EDID_PORT_A 0 -#define ADV7604_EDID_PORT_B 1 -#define ADV7604_EDID_PORT_C 2 -#define ADV7604_EDID_PORT_D 3 - #define V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE (V4L2_CID_DV_CLASS_BASE + 0x1000) #define V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL (V4L2_CID_DV_CLASS_BASE + 0x1001) #define V4L2_CID_ADV_RX_FREE_RUN_COLOR (V4L2_CID_DV_CLASS_BASE + 0x1002) diff --git a/include/media/davinci/vpbe_display.h b/include/media/davinci/vpbe_display.h index 8dffffedbb59..637749a91432 100644 --- a/include/media/davinci/vpbe_display.h +++ b/include/media/davinci/vpbe_display.h @@ -16,6 +16,7 @@ /* Header files */ #include <linux/videodev2.h> #include <media/v4l2-common.h> +#include <media/v4l2-fh.h> #include <media/videobuf2-dma-contig.h> #include <media/davinci/vpbe_types.h> #include <media/davinci/vpbe_osd.h> @@ -94,8 +95,6 @@ struct vpbe_layer { * has selected */ enum v4l2_memory memory; - /* Used to keep track of state of the priority */ - struct v4l2_prio_state prio; /* Used to store pixel format */ struct v4l2_pix_format pix_fmt; enum v4l2_field buf_field; @@ -134,14 +133,13 @@ struct vpbe_display { /* File handle structure */ struct vpbe_fh { + struct v4l2_fh fh; /* vpbe device structure */ struct vpbe_display *disp_dev; /* pointer to layer object for opened device */ struct vpbe_layer *layer; /* Indicates whether this file handle is doing IO */ unsigned char io_allowed; - /* Used to keep track priority of this instance */ - enum v4l2_priority prio; }; struct buf_config_params { diff --git a/include/media/davinci/vpfe_capture.h b/include/media/davinci/vpfe_capture.h index cc973ed845a7..288772e6900a 100644 --- a/include/media/davinci/vpfe_capture.h +++ b/include/media/davinci/vpfe_capture.h @@ -26,6 +26,7 @@ #include <linux/videodev2.h> #include <linux/clk.h> #include <linux/i2c.h> +#include <media/v4l2-fh.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-device.h> #include <media/videobuf-dma-contig.h> @@ -110,8 +111,6 @@ struct vpfe_device { struct v4l2_device v4l2_dev; /* parent device */ struct device *pdev; - /* Used to keep track of state of the priority */ - struct v4l2_prio_state prio; /* number of open instances of the channel */ u32 usrs; /* Indicates id of the field which is being displayed */ @@ -174,11 +173,10 @@ struct vpfe_device { /* File handle structure */ struct vpfe_fh { + struct v4l2_fh fh; struct vpfe_device *vpfe_dev; /* Indicates whether this file handle is doing IO */ u8 io_allowed; - /* Used to keep track priority of this instance */ - enum v4l2_priority prio; }; struct vpfe_config_params { diff --git a/include/media/s5p_fimc.h b/include/media/exynos-fimc.h index b975c285c8a9..aa44660e2041 100644 --- a/include/media/s5p_fimc.h +++ b/include/media/exynos-fimc.h @@ -61,41 +61,20 @@ enum fimc_bus_type { #define GRP_ID_FLITE (1 << 13) #define GRP_ID_FIMC_IS (1 << 14) -struct i2c_board_info; - /** * struct fimc_source_info - video source description required for the host * interface configuration * - * @board_info: pointer to I2C subdevice's board info - * @clk_frequency: frequency of the clock the host interface provides to sensor * @fimc_bus_type: FIMC camera input type * @sensor_bus_type: image sensor bus type, MIPI, ITU-R BT.601 etc. * @flags: the parallel sensor bus flags defining signals polarity (V4L2_MBUS_*) - * @i2c_bus_num: i2c control bus id the sensor is attached to * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU) - * @clk_id: index of the SoC peripheral clock for sensors */ struct fimc_source_info { - struct i2c_board_info *board_info; - unsigned long clk_frequency; enum fimc_bus_type fimc_bus_type; enum fimc_bus_type sensor_bus_type; u16 flags; - u16 i2c_bus_num; u16 mux_id; - u8 clk_id; -}; - -/** - * struct s5p_platform_fimc - camera host interface platform data - * - * @source_info: properties of an image source for the host interface setup - * @num_clients: the number of attached image sources - */ -struct s5p_platform_fimc { - struct fimc_source_info *source_info; - int num_clients; }; /* diff --git a/include/media/media-device.h b/include/media/media-device.h index 12155a9596c4..6e6db78f1ee2 100644 --- a/include/media/media-device.h +++ b/include/media/media-device.h @@ -87,7 +87,9 @@ struct media_device { /* media_devnode to media_device */ #define to_media_device(node) container_of(node, struct media_device, devnode) -int __must_check media_device_register(struct media_device *mdev); +int __must_check __media_device_register(struct media_device *mdev, + struct module *owner); +#define media_device_register(mdev) __media_device_register(mdev, THIS_MODULE) void media_device_unregister(struct media_device *mdev); int __must_check media_device_register_entity(struct media_device *mdev, diff --git a/include/media/media-devnode.h b/include/media/media-devnode.h index 3446af279fca..0dc7060f9625 100644 --- a/include/media/media-devnode.h +++ b/include/media/media-devnode.h @@ -82,7 +82,8 @@ struct media_devnode { /* dev to media_devnode */ #define to_media_devnode(cd) container_of(cd, struct media_devnode, dev) -int __must_check media_devnode_register(struct media_devnode *mdev); +int __must_check media_devnode_register(struct media_devnode *mdev, + struct module *owner); void media_devnode_unregister(struct media_devnode *mdev); static inline struct media_devnode *media_devnode_data(struct file *filp) diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h index c9b1593923f6..ffb69da3ce9e 100644 --- a/include/media/v4l2-device.h +++ b/include/media/v4l2-device.h @@ -120,6 +120,14 @@ void v4l2_device_unregister_subdev(struct v4l2_subdev *sd); int __must_check v4l2_device_register_subdev_nodes(struct v4l2_device *v4l2_dev); +/* Send a notification to v4l2_device. */ +static inline void v4l2_subdev_notify(struct v4l2_subdev *sd, + unsigned int notification, void *arg) +{ + if (sd && sd->v4l2_dev && sd->v4l2_dev->notify) + sd->v4l2_dev->notify(sd, notification, arg); +} + /* Iterate over all subdevs. */ #define v4l2_device_for_each_subdev(sd, v4l2_dev) \ list_for_each_entry(sd, &(v4l2_dev)->subdevs, list) diff --git a/include/media/v4l2-event.h b/include/media/v4l2-event.h index be05d019de25..1ab9045e52e3 100644 --- a/include/media/v4l2-event.h +++ b/include/media/v4l2-event.h @@ -132,4 +132,8 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh, void v4l2_event_unsubscribe_all(struct v4l2_fh *fh); int v4l2_event_subdev_unsubscribe(struct v4l2_subdev *sd, struct v4l2_fh *fh, struct v4l2_event_subscription *sub); +int v4l2_src_change_event_subscribe(struct v4l2_fh *fh, + const struct v4l2_event_subscription *sub); +int v4l2_src_change_event_subdev_subscribe(struct v4l2_subdev *sd, + struct v4l2_fh *fh, struct v4l2_event_subscription *sub); #endif /* V4L2_EVENT_H */ diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 28f4d8c3cf7d..d7465725773d 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -159,8 +159,6 @@ struct v4l2_subdev_core_ops { int (*s_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls); int (*try_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls); int (*querymenu)(struct v4l2_subdev *sd, struct v4l2_querymenu *qm); - int (*g_std)(struct v4l2_subdev *sd, v4l2_std_id *norm); - int (*s_std)(struct v4l2_subdev *sd, v4l2_std_id norm); long (*ioctl)(struct v4l2_subdev *sd, unsigned int cmd, void *arg); #ifdef CONFIG_COMPAT long (*compat_ioctl32)(struct v4l2_subdev *sd, unsigned int cmd, @@ -234,15 +232,18 @@ struct v4l2_subdev_audio_ops { /* Indicates the @length field specifies maximum data length. */ #define V4L2_MBUS_FRAME_DESC_FL_LEN_MAX (1U << 0) -/* Indicates user defined data format, i.e. non standard frame format. */ +/* + * Indicates that the format does not have line offsets, i.e. the + * receiver should use 1D DMA. + */ #define V4L2_MBUS_FRAME_DESC_FL_BLOB (1U << 1) /** * struct v4l2_mbus_frame_desc_entry - media bus frame description structure * @flags: V4L2_MBUS_FRAME_DESC_FL_* flags * @pixelcode: media bus pixel code, valid if FRAME_DESC_FL_BLOB is not set - * @length: number of octets per frame, valid for compressed or unspecified - * formats + * @length: number of octets per frame, valid if V4L2_MBUS_FRAME_DESC_FL_BLOB + * is set */ struct v4l2_mbus_frame_desc_entry { u16 flags; @@ -269,8 +270,11 @@ struct v4l2_mbus_frame_desc { g_std_output: get current standard for video OUTPUT devices. This is ignored by video input devices. - g_tvnorms_output: get v4l2_std_id with all standards supported by video - OUTPUT device. This is ignored by video input devices. + g_tvnorms: get v4l2_std_id with all standards supported by the video + CAPTURE device. This is ignored by video output devices. + + g_tvnorms_output: get v4l2_std_id with all standards supported by the video + OUTPUT device. This is ignored by video capture devices. s_crystal_freq: sets the frequency of the crystal used to generate the clocks in Hz. An extra flags field allows device specific configuration @@ -310,9 +314,12 @@ struct v4l2_mbus_frame_desc { struct v4l2_subdev_video_ops { int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config); int (*s_crystal_freq)(struct v4l2_subdev *sd, u32 freq, u32 flags); + int (*g_std)(struct v4l2_subdev *sd, v4l2_std_id *norm); + int (*s_std)(struct v4l2_subdev *sd, v4l2_std_id norm); int (*s_std_output)(struct v4l2_subdev *sd, v4l2_std_id std); int (*g_std_output)(struct v4l2_subdev *sd, v4l2_std_id *std); int (*querystd)(struct v4l2_subdev *sd, v4l2_std_id *std); + int (*g_tvnorms)(struct v4l2_subdev *sd, v4l2_std_id *std); int (*g_tvnorms_output)(struct v4l2_subdev *sd, v4l2_std_id *std); int (*g_input_status)(struct v4l2_subdev *sd, u32 *status); int (*s_stream)(struct v4l2_subdev *sd, int enable); @@ -331,12 +338,8 @@ struct v4l2_subdev_video_ops { struct v4l2_dv_timings *timings); int (*g_dv_timings)(struct v4l2_subdev *sd, struct v4l2_dv_timings *timings); - int (*enum_dv_timings)(struct v4l2_subdev *sd, - struct v4l2_enum_dv_timings *timings); int (*query_dv_timings)(struct v4l2_subdev *sd, struct v4l2_dv_timings *timings); - int (*dv_timings_cap)(struct v4l2_subdev *sd, - struct v4l2_dv_timings_cap *cap); int (*enum_mbus_fmt)(struct v4l2_subdev *sd, unsigned int index, enum v4l2_mbus_pixelcode *code); int (*enum_mbus_fsizes)(struct v4l2_subdev *sd, @@ -510,6 +513,10 @@ struct v4l2_subdev_pad_ops { struct v4l2_subdev_selection *sel); int (*get_edid)(struct v4l2_subdev *sd, struct v4l2_edid *edid); int (*set_edid)(struct v4l2_subdev *sd, struct v4l2_edid *edid); + int (*dv_timings_cap)(struct v4l2_subdev *sd, + struct v4l2_dv_timings_cap *cap); + int (*enum_dv_timings)(struct v4l2_subdev *sd, + struct v4l2_enum_dv_timings *timings); #ifdef CONFIG_MEDIA_CONTROLLER int (*link_validate)(struct v4l2_subdev *sd, struct media_link *link, struct v4l2_subdev_format *source_fmt, @@ -584,6 +591,7 @@ struct v4l2_subdev { #endif struct list_head list; struct module *owner; + bool owner_v4l2_dev; u32 flags; struct v4l2_device *v4l2_dev; const struct v4l2_subdev_ops *ops; @@ -685,17 +693,12 @@ void v4l2_subdev_init(struct v4l2_subdev *sd, /* Call an ops of a v4l2_subdev, doing the right checks against NULL pointers. - Example: err = v4l2_subdev_call(sd, core, s_std, norm); + Example: err = v4l2_subdev_call(sd, video, s_std, norm); */ #define v4l2_subdev_call(sd, o, f, args...) \ (!(sd) ? -ENODEV : (((sd)->ops->o && (sd)->ops->o->f) ? \ (sd)->ops->o->f((sd) , ##args) : -ENOIOCTLCMD)) -/* Send a notification to v4l2_device. */ -#define v4l2_subdev_notify(sd, notification, arg) \ - ((!(sd) || !(sd)->v4l2_dev || !(sd)->v4l2_dev->notify) ? -ENODEV : \ - (sd)->v4l2_dev->notify((sd), (notification), (arg))) - #define v4l2_subdev_has_op(sd, o, f) \ ((sd)->ops->o && (sd)->ops->o->f) diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index af4621109726..bca25dc53f9d 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -20,6 +20,7 @@ struct vb2_alloc_ctx; struct vb2_fileio_data; +struct vb2_threadio_data; /** * struct vb2_mem_ops - memory handling/memory allocator operations @@ -323,7 +324,7 @@ struct vb2_ops { void (*buf_cleanup)(struct vb2_buffer *vb); int (*start_streaming)(struct vb2_queue *q, unsigned int count); - int (*stop_streaming)(struct vb2_queue *q); + void (*stop_streaming)(struct vb2_queue *q); void (*buf_queue)(struct vb2_buffer *vb); }; @@ -375,6 +376,7 @@ struct v4l2_fh; * @start_streaming_called: start_streaming() was called successfully and we * started streaming. * @fileio: file io emulator internal data, used only if emulator is active + * @threadio: thread io internal data, used only if thread is active */ struct vb2_queue { enum v4l2_buf_type type; @@ -411,6 +413,7 @@ struct vb2_queue { unsigned int start_streaming_called:1; struct vb2_fileio_data *fileio; + struct vb2_threadio_data *threadio; #ifdef CONFIG_VIDEO_ADV_DEBUG /* @@ -461,6 +464,35 @@ size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count, loff_t *ppos, int nonblock); size_t vb2_write(struct vb2_queue *q, const char __user *data, size_t count, loff_t *ppos, int nonblock); +/** + * vb2_thread_fnc - callback function for use with vb2_thread + * + * This is called whenever a buffer is dequeued in the thread. + */ +typedef int (*vb2_thread_fnc)(struct vb2_buffer *vb, void *priv); + +/** + * vb2_thread_start() - start a thread for the given queue. + * @q: videobuf queue + * @fnc: callback function + * @priv: priv pointer passed to the callback function + * @thread_name:the name of the thread. This will be prefixed with "vb2-". + * + * This starts a thread that will queue and dequeue until an error occurs + * or @vb2_thread_stop is called. + * + * This function should not be used for anything else but the videobuf2-dvb + * support. If you think you have another good use-case for this, then please + * contact the linux-media mailinglist first. + */ +int vb2_thread_start(struct vb2_queue *q, vb2_thread_fnc fnc, void *priv, + const char *thread_name); + +/** + * vb2_thread_stop() - stop the thread for the given queue. + * @q: videobuf queue + */ +int vb2_thread_stop(struct vb2_queue *q); /** * vb2_is_streaming() - return streaming status of the queue @@ -472,6 +504,23 @@ static inline bool vb2_is_streaming(struct vb2_queue *q) } /** + * vb2_fileio_is_active() - return true if fileio is active. + * @q: videobuf queue + * + * This returns true if read() or write() is used to stream the data + * as opposed to stream I/O. This is almost never an important distinction, + * except in rare cases. One such case is that using read() or write() to + * stream a format using V4L2_FIELD_ALTERNATE is not allowed since there + * is no way you can pass the field information of each buffer to/from + * userspace. A driver that supports this field format should check for + * this in the queue_setup op and reject it if this function returns true. + */ +static inline bool vb2_fileio_is_active(struct vb2_queue *q) +{ + return q->fileio; +} + +/** * vb2_is_busy() - return busy status of the queue * @q: videobuf queue * diff --git a/include/media/videobuf2-dvb.h b/include/media/videobuf2-dvb.h new file mode 100644 index 000000000000..8f61456f1394 --- /dev/null +++ b/include/media/videobuf2-dvb.h @@ -0,0 +1,58 @@ +#ifndef _VIDEOBUF2_DVB_H_ +#define _VIDEOBUF2_DVB_H_ + +#include <dvbdev.h> +#include <dmxdev.h> +#include <dvb_demux.h> +#include <dvb_net.h> +#include <dvb_frontend.h> +#include <media/videobuf2-core.h> + +struct vb2_dvb { + /* filling that the job of the driver */ + char *name; + struct dvb_frontend *frontend; + struct vb2_queue dvbq; + + /* video-buf-dvb state info */ + struct mutex lock; + int nfeeds; + + /* vb2_dvb_(un)register manages this */ + struct dvb_demux demux; + struct dmxdev dmxdev; + struct dmx_frontend fe_hw; + struct dmx_frontend fe_mem; + struct dvb_net net; +}; + +struct vb2_dvb_frontend { + struct list_head felist; + int id; + struct vb2_dvb dvb; +}; + +struct vb2_dvb_frontends { + struct list_head felist; + struct mutex lock; + struct dvb_adapter adapter; + int active_fe_id; /* Indicates which frontend in the felist is in use */ + int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */ +}; + +int vb2_dvb_register_bus(struct vb2_dvb_frontends *f, + struct module *module, + void *adapter_priv, + struct device *device, + short *adapter_nr, + int mfe_shared); + +void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f); + +struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id); +void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f); + +struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id); +int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p); + +#endif /* _VIDEOBUF2_DVB_H_ */ |