diff options
Diffstat (limited to 'include/media/v4l2-common.h')
| -rw-r--r-- | include/media/v4l2-common.h | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 020d05758bd..2f8719abf5c 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -28,12 +28,6 @@ #include <media/v4l2-dev.h> -/* v4l debugging and diagnostics */ - -/* Debug bitmask flags to be used on V4L2 */ -#define V4L2_DEBUG_IOCTL 0x01 -#define V4L2_DEBUG_IOCTL_ARG 0x02 - /* Common printk constucts for v4l-i2c drivers. These macros create a unique prefix consisting of the driver name, the adapter number and the i2c address. */ @@ -61,21 +55,20 @@ v4l_client_printk(KERN_DEBUG, client, fmt , ## arg); \ } while (0) +/* ------------------------------------------------------------------------- */ -/* Use this macro for non-I2C drivers. Pass the driver name as the first arg. */ -#define v4l_print_ioctl(name, cmd) \ - do { \ - printk(KERN_DEBUG "%s: ", name); \ - v4l_printk_ioctl(cmd); \ - } while (0) +/* Priority helper functions */ -/* Use this macro in I2C drivers where 'client' is the struct i2c_client - pointer */ -#define v4l_i2c_print_ioctl(client, cmd) \ - do { \ - v4l_client_printk(KERN_DEBUG, client, ""); \ - v4l_printk_ioctl(cmd); \ - } while (0) +struct v4l2_prio_state { + atomic_t prios[4]; +}; +int v4l2_prio_init(struct v4l2_prio_state *global); +int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, + enum v4l2_priority new); +int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); +int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local); +enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); +int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local); /* ------------------------------------------------------------------------- */ @@ -83,11 +76,14 @@ int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, const char **menu_items); +const char *v4l2_ctrl_get_name(u32 id); const char **v4l2_ctrl_get_menu(u32 id); int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def); int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl); int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl, const char **menu_items); +#define V4L2_CTRL_MENU_IDS_END (0xffffffff) +int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids); u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id); /* ------------------------------------------------------------------------- */ @@ -229,18 +225,22 @@ struct v4l2_crystal_freq { An extra flags field allows device specific configuration regarding clock frequency dividers, etc. If not used, then set flags to 0. If the frequency is not supported, then -EINVAL is returned. */ -#define VIDIOC_INT_S_CRYSTAL_FREQ _IOW ('d', 113, struct v4l2_crystal_freq) +#define VIDIOC_INT_S_CRYSTAL_FREQ _IOW('d', 113, struct v4l2_crystal_freq) /* Initialize the sensor registors to some sort of reasonable default values. */ -#define VIDIOC_INT_INIT _IOW ('d', 114, u32) +#define VIDIOC_INT_INIT _IOW('d', 114, u32) /* Set v4l2_std_id for video OUTPUT devices. This is ignored by video input devices. */ -#define VIDIOC_INT_S_STD_OUTPUT _IOW ('d', 115, v4l2_std_id) +#define VIDIOC_INT_S_STD_OUTPUT _IOW('d', 115, v4l2_std_id) /* Get v4l2_std_id for video OUTPUT devices. This is ignored by video input devices. */ -#define VIDIOC_INT_G_STD_OUTPUT _IOW ('d', 116, v4l2_std_id) +#define VIDIOC_INT_G_STD_OUTPUT _IOW('d', 116, v4l2_std_id) + +/* Set GPIO pins. Very simple right now, might need to be extended with + a v4l2_gpio struct if a direction is also needed. */ +#define VIDIOC_INT_S_GPIO _IOW('d', 117, u32) #endif /* V4L2_COMMON_H_ */ |