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#ifndef _V4L2_SUBDEV_H
#define _V4L2_SUBDEV_H
#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>
#include <media/v4l2-mediabus.h>
#define V4L2_SUBDEV_IR_RX_NOTIFY _IOW('v', 0, u32)
#define V4L2_SUBDEV_IR_RX_FIFO_SERVICE_REQ 0x00000001
#define V4L2_SUBDEV_IR_RX_END_OF_RX_DETECTED 0x00000002
#define V4L2_SUBDEV_IR_RX_HW_FIFO_OVERRUN 0x00000004
#define V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN 0x00000008
#define V4L2_SUBDEV_IR_TX_NOTIFY _IOW('v', 1, u32)
#define V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ 0x00000001
struct v4l2_device;
struct v4l2_ctrl_handler;
struct v4l2_event_subscription;
struct v4l2_fh;
struct v4l2_subdev;
struct v4l2_subdev_fh;
struct tuner_setup;
struct v4l2_mbus_frame_desc;
struct v4l2_decode_vbi_line {
u32 is_second_field;
u8 *p;
u32 line;
u32 type;
};
#define V4L2_SUBDEV_IO_PIN_DISABLE (1 << 0) /* ENABLE assumed */
#define V4L2_SUBDEV_IO_PIN_OUTPUT (1 << 1)
#define V4L2_SUBDEV_IO_PIN_INPUT (1 << 2)
#define V4L2_SUBDEV_IO_PIN_SET_VALUE (1 << 3) /* Set output value */
#define V4L2_SUBDEV_IO_PIN_ACTIVE_LOW (1 << 4) /* ACTIVE HIGH assumed */
struct v4l2_subdev_io_pin_config {
u32 flags;
u8 pin;
u8 function;
u8 value;
u8 strength;
};
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);
int (*init)(struct v4l2_subdev *sd, u32 val);
int (*load_fw)(struct v4l2_subdev *sd);
int (*reset)(struct v4l2_subdev *sd, u32 val);
int (*s_gpio)(struct v4l2_subdev *sd, u32 val);
int (*queryctrl)(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc);
int (*g_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
int (*s_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
int (*g_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls);
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_VIDEO_ADV_DEBUG
int (*g_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,
u32 status, bool *handled);
int (*subscribe_event)(struct v4l2_subdev *sd, struct v4l2_fh *fh,
struct v4l2_event_subscription *sub);
int (*unsubscribe_event)(struct v4l2_subdev *sd, struct v4l2_fh *fh,
struct v4l2_event_subscription *sub);
};
struct v4l2_subdev_tuner_ops {
int (*s_radio)(struct v4l2_subdev *sd);
int (*s_frequency)(struct v4l2_subdev *sd, const struct v4l2_frequency *freq);
int (*g_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq);
int (*g_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);
int (*s_config)(struct v4l2_subdev *sd, const struct v4l2_priv_tun_config *config);
};
struct v4l2_subdev_audio_ops {
int (*s_clock_freq)(struct v4l2_subdev *sd, u32 freq);
int (*s_i2s_clock_freq)(struct v4l2_subdev *sd, u32 freq);
int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config);
int (*s_stream)(struct v4l2_subdev *sd, int enable);
};
#define V4L2_MBUS_FRAME_DESC_FL_LEN_MAX (1U << 0)
#define V4L2_MBUS_FRAME_DESC_FL_BLOB (1U << 1)
struct v4l2_mbus_frame_desc_entry {
u16 flags;
u32 pixelcode;
u32 length;
};
#define V4L2_FRAME_DESC_ENTRY_MAX 4
struct v4l2_mbus_frame_desc {
struct v4l2_mbus_frame_desc_entry entry[V4L2_FRAME_DESC_ENTRY_MAX];
unsigned short num_entries;
};
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 (*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_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);
int (*cropcap)(struct v4l2_subdev *sd, struct v4l2_cropcap *cc);
int (*g_crop)(struct v4l2_subdev *sd, struct v4l2_crop *crop);
int (*s_crop)(struct v4l2_subdev *sd, const struct v4l2_crop *crop);
int (*g_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param);
int (*s_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param);
int (*g_frame_interval)(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *interval);
int (*s_frame_interval)(struct v4l2_subdev *sd,
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 (*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,
struct v4l2_frmsizeenum *fsize);
int (*g_mbus_fmt)(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *fmt);
int (*try_mbus_fmt)(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *fmt);
int (*s_mbus_fmt)(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *fmt);
int (*g_mbus_config)(struct v4l2_subdev *sd,
struct v4l2_mbus_config *cfg);
int (*s_mbus_config)(struct v4l2_subdev *sd,
const struct v4l2_mbus_config *cfg);
int (*s_rx_buffer)(struct v4l2_subdev *sd, void *buf,
unsigned int *size);
};
struct v4l2_subdev_vbi_ops {
int (*decode_vbi_line)(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi_line);
int (*s_vbi_data)(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *vbi_data);
int (*g_vbi_data)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_data *vbi_data);
int (*g_sliced_vbi_cap)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_cap *cap);
int (*s_raw_fmt)(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
int (*g_sliced_fmt)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
int (*s_sliced_fmt)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
};
struct v4l2_subdev_sensor_ops {
int (*g_skip_top_lines)(struct v4l2_subdev *sd, u32 *lines);
int (*g_skip_frames)(struct v4l2_subdev *sd, u32 *frames);
};
enum v4l2_subdev_ir_mode {
V4L2_SUBDEV_IR_MODE_PULSE_WIDTH,
};
struct v4l2_subdev_ir_parameters {
unsigned int bytes_per_data_element;
enum v4l2_subdev_ir_mode mode;
bool enable;
bool interrupt_enable;
bool shutdown;
bool modulation;
u32 max_pulse_width;
unsigned int carrier_freq;
unsigned int duty_cycle;
bool invert_level;
bool invert_carrier_sense;
u32 noise_filter_min_width;
unsigned int carrier_range_lower;
unsigned int carrier_range_upper;
u32 resolution;
};
struct v4l2_subdev_ir_ops {
int (*rx_read)(struct v4l2_subdev *sd, u8 *buf, size_t count,
ssize_t *num);
int (*rx_g_parameters)(struct v4l2_subdev *sd,
struct v4l2_subdev_ir_parameters *params);
int (*rx_s_parameters)(struct v4l2_subdev *sd,
struct v4l2_subdev_ir_parameters *params);
int (*tx_write)(struct v4l2_subdev *sd, u8 *buf, size_t count,
ssize_t *num);
int (*tx_g_parameters)(struct v4l2_subdev *sd,
struct v4l2_subdev_ir_parameters *params);
int (*tx_s_parameters)(struct v4l2_subdev *sd,
struct v4l2_subdev_ir_parameters *params);
};
struct v4l2_subdev_pad_ops {
int (*enum_mbus_code)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
struct v4l2_subdev_mbus_code_enum *code);
int (*enum_frame_size)(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_frame_size_enum *fse);
int (*enum_frame_interval)(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_frame_interval_enum *fie);
int (*get_fmt)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *format);
int (*set_fmt)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *format);
int (*set_crop)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
struct v4l2_subdev_crop *crop);
int (*get_crop)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
struct v4l2_subdev_crop *crop);
int (*get_selection)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
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);
#ifdef CONFIG_MEDIA_CONTROLLER
int (*link_validate)(struct v4l2_subdev *sd, struct media_link *link,
struct v4l2_subdev_format *source_fmt,
struct v4l2_subdev_format *sink_fmt);
#endif /* CONFIG_MEDIA_CONTROLLER */
int (*get_frame_desc)(struct v4l2_subdev *sd, unsigned int pad,
struct v4l2_mbus_frame_desc *fd);
int (*set_frame_desc)(struct v4l2_subdev *sd, unsigned int pad,
struct v4l2_mbus_frame_desc *fd);
};
struct v4l2_subdev_ops {
const struct v4l2_subdev_core_ops *core;
const struct v4l2_subdev_tuner_ops *tuner;
const struct v4l2_subdev_audio_ops *audio;
const struct v4l2_subdev_video_ops *video;
const struct v4l2_subdev_vbi_ops *vbi;
const struct v4l2_subdev_ir_ops *ir;
const struct v4l2_subdev_sensor_ops *sensor;
const struct v4l2_subdev_pad_ops *pad;
};
struct v4l2_subdev_internal_ops {
int (*registered)(struct v4l2_subdev *sd);
void (*unregistered)(struct v4l2_subdev *sd);
int (*open)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh);
int (*close)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh);
};
#define V4L2_SUBDEV_NAME_SIZE 32
#define V4L2_SUBDEV_FL_IS_I2C (1U << 0)
#define V4L2_SUBDEV_FL_IS_SPI (1U << 1)
#define V4L2_SUBDEV_FL_HAS_DEVNODE (1U << 2)
#define V4L2_SUBDEV_FL_HAS_EVENTS (1U << 3)
struct regulator_bulk_data;
struct v4l2_subdev_platform_data {
struct regulator_bulk_data *regulators;
int num_regulators;
void *host_priv;
};
struct v4l2_subdev {
#if defined(CONFIG_MEDIA_CONTROLLER)
struct media_entity entity;
#endif
struct list_head list;
struct module *owner;
u32 flags;
struct v4l2_device *v4l2_dev;
const struct v4l2_subdev_ops *ops;
const struct v4l2_subdev_internal_ops *internal_ops;
struct v4l2_ctrl_handler *ctrl_handler;
char name[V4L2_SUBDEV_NAME_SIZE];
u32 grp_id;
void *dev_priv;
void *host_priv;
struct video_device *devnode;
struct device *dev;
struct list_head async_list;
struct v4l2_async_subdev *asd;
struct v4l2_async_notifier *notifier;
struct v4l2_subdev_platform_data *pdata;
};
#define media_entity_to_v4l2_subdev(ent) \
container_of(ent, struct v4l2_subdev, entity)
#define vdev_to_v4l2_subdev(vdev) \
((struct v4l2_subdev *)video_get_drvdata(vdev))
struct v4l2_subdev_fh {
struct v4l2_fh vfh;
#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
struct {
struct v4l2_mbus_framefmt try_fmt;
struct v4l2_rect try_crop;
struct v4l2_rect try_compose;
} *pad;
#endif
};
#define to_v4l2_subdev_fh(fh) \
container_of(fh, struct v4l2_subdev_fh, vfh)
#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
#define __V4L2_SUBDEV_MK_GET_TRY(rtype, fun_name, field_name) \
static inline struct rtype * \
v4l2_subdev_get_try_##fun_name(struct v4l2_subdev_fh *fh, \
unsigned int pad) \
{ \
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_crop)
__V4L2_SUBDEV_MK_GET_TRY(v4l2_rect, compose, try_compose)
#endif
extern const struct v4l2_file_operations v4l2_subdev_fops;
static inline void v4l2_set_subdevdata(struct v4l2_subdev *sd, void *p)
{
sd->dev_priv = p;
}
static inline void *v4l2_get_subdevdata(const struct v4l2_subdev *sd)
{
return sd->dev_priv;
}
static inline void v4l2_set_subdev_hostdata(struct v4l2_subdev *sd, void *p)
{
sd->host_priv = p;
}
static inline void *v4l2_get_subdev_hostdata(const struct v4l2_subdev *sd)
{
return sd->host_priv;
}
#ifdef CONFIG_MEDIA_CONTROLLER
int v4l2_subdev_link_validate_default(struct v4l2_subdev *sd,
struct media_link *link,
struct v4l2_subdev_format *source_fmt,
struct v4l2_subdev_format *sink_fmt);
int v4l2_subdev_link_validate(struct media_link *link);
#endif /* CONFIG_MEDIA_CONTROLLER */
void v4l2_subdev_init(struct v4l2_subdev *sd,
const struct v4l2_subdev_ops *ops);
#define v4l2_subdev_call(sd, o, f, args...) \
(!(sd) ? -ENODEV : (((sd)->ops->o && (sd)->ops->o->f) ? \
(sd)->ops->o->f((sd) , ##args) : -ENOIOCTLCMD))
#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
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