diff options
Diffstat (limited to 'include/media/v4l2-subdev.h')
| -rw-r--r-- | include/media/v4l2-subdev.h | 99 |
1 files changed, 57 insertions, 42 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index b137a5e1151..d7465725773 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -24,6 +24,7 @@ #include <linux/types.h> #include <linux/v4l2-subdev.h> #include <media/media-entity.h> +#include <media/v4l2-async.h> #include <media/v4l2-common.h> #include <media/v4l2-dev.h> #include <media/v4l2-fh.h> @@ -88,7 +89,6 @@ struct v4l2_decode_vbi_line { /* Core ops: it is highly recommended to implement at least these ops: - g_chip_ident log_status g_register s_register @@ -145,7 +145,6 @@ struct v4l2_subdev_io_pin_config { performed later. It must not sleep. *Called from an IRQ context*. */ struct v4l2_subdev_core_ops { - int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip); int (*log_status)(struct v4l2_subdev *sd); int (*s_io_pin_config)(struct v4l2_subdev *sd, size_t n, struct v4l2_subdev_io_pin_config *pincfg); @@ -160,12 +159,14 @@ 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, + unsigned long arg); +#endif #ifdef CONFIG_VIDEO_ADV_DEBUG int (*g_register)(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg); - int (*s_register)(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg); + int (*s_register)(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg); #endif int (*s_power)(struct v4l2_subdev *sd, int on); int (*interrupt_service_routine)(struct v4l2_subdev *sd, @@ -191,10 +192,11 @@ struct v4l2_subdev_core_ops { */ struct v4l2_subdev_tuner_ops { int (*s_radio)(struct v4l2_subdev *sd); - int (*s_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq); + int (*s_frequency)(struct v4l2_subdev *sd, const struct v4l2_frequency *freq); int (*g_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq); + int (*enum_freq_bands)(struct v4l2_subdev *sd, struct v4l2_frequency_band *band); int (*g_tuner)(struct v4l2_subdev *sd, struct v4l2_tuner *vt); - int (*s_tuner)(struct v4l2_subdev *sd, struct v4l2_tuner *vt); + int (*s_tuner)(struct v4l2_subdev *sd, const struct v4l2_tuner *vt); int (*g_modulator)(struct v4l2_subdev *sd, struct v4l2_modulator *vm); int (*s_modulator)(struct v4l2_subdev *sd, const struct v4l2_modulator *vm); int (*s_type_addr)(struct v4l2_subdev *sd, struct tuner_setup *type); @@ -230,15 +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; @@ -265,8 +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 @@ -279,14 +287,6 @@ struct v4l2_mbus_frame_desc { s_routing: see s_routing in audio_ops, except this version is for video devices. - s_dv_preset: set dv (Digital Video) preset in the sub device. Similar to - s_std() - - g_dv_preset: get current dv (Digital Video) preset in the sub device. - - query_dv_preset: query dv preset in the sub device. This is similar to - querystd() - s_dv_timings(): Set custom dv timings in the sub device. This is used when sub device is capable of setting detailed timing information in the hardware to generate/detect the video signal. @@ -314,9 +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); @@ -331,24 +334,12 @@ struct v4l2_subdev_video_ops { struct v4l2_subdev_frame_interval *interval); int (*enum_framesizes)(struct v4l2_subdev *sd, struct v4l2_frmsizeenum *fsize); int (*enum_frameintervals)(struct v4l2_subdev *sd, struct v4l2_frmivalenum *fival); - int (*enum_dv_presets) (struct v4l2_subdev *sd, - struct v4l2_dv_enum_preset *preset); - int (*s_dv_preset)(struct v4l2_subdev *sd, - struct v4l2_dv_preset *preset); - int (*g_dv_preset)(struct v4l2_subdev *sd, - struct v4l2_dv_preset *preset); - int (*query_dv_preset)(struct v4l2_subdev *sd, - struct v4l2_dv_preset *preset); int (*s_dv_timings)(struct v4l2_subdev *sd, 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, @@ -520,8 +511,12 @@ struct v4l2_subdev_pad_ops { struct v4l2_subdev_selection *sel); int (*set_selection)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, struct v4l2_subdev_selection *sel); - int (*get_edid)(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid); - int (*set_edid)(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid); + 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, @@ -576,6 +571,17 @@ struct v4l2_subdev_internal_ops { /* Set this flag if this subdev generates events. */ #define V4L2_SUBDEV_FL_HAS_EVENTS (1U << 3) +struct regulator_bulk_data; + +struct v4l2_subdev_platform_data { + /* Optional regulators uset to power on/off the subdevice */ + struct regulator_bulk_data *regulators; + int num_regulators; + + /* Per-subdevice data, specific for a certain video host device */ + void *host_priv; +}; + /* Each instance of a subdev driver should create this struct, either stand-alone or embedded in a larger struct. */ @@ -585,6 +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; @@ -601,6 +608,16 @@ struct v4l2_subdev { void *host_priv; /* subdev device node */ struct video_device *devnode; + /* pointer to the physical device, if any */ + struct device *dev; + /* Links this subdev to a global subdev_list or @notifier->done list. */ + struct list_head async_list; + /* Pointer to respective struct v4l2_async_subdev. */ + struct v4l2_async_subdev *asd; + /* Pointer to the managing notifier. */ + struct v4l2_async_notifier *notifier; + /* common part of subdevice platform data */ + struct v4l2_subdev_platform_data *pdata; }; #define media_entity_to_v4l2_subdev(ent) \ @@ -631,13 +648,13 @@ struct v4l2_subdev_fh { v4l2_subdev_get_try_##fun_name(struct v4l2_subdev_fh *fh, \ unsigned int pad) \ { \ - BUG_ON(unlikely(pad >= vdev_to_v4l2_subdev( \ - fh->vfh.vdev)->entity.num_pads)); \ + BUG_ON(pad >= vdev_to_v4l2_subdev( \ + fh->vfh.vdev)->entity.num_pads); \ return &fh->pad[pad].field_name; \ } __V4L2_SUBDEV_MK_GET_TRY(v4l2_mbus_framefmt, format, try_fmt) -__V4L2_SUBDEV_MK_GET_TRY(v4l2_rect, crop, try_compose) +__V4L2_SUBDEV_MK_GET_TRY(v4l2_rect, crop, try_crop) __V4L2_SUBDEV_MK_GET_TRY(v4l2_rect, compose, try_compose) #endif @@ -676,15 +693,13 @@ 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, g_chip_ident, &chip); + 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) #endif |