X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fmedia%2Fv4l2-common.h;h=2f8719abf5cb84fa363ce22fcb33309cb69897ed;hb=6bd6dff6318397b1127dd256b65dde007306b8ea;hp=316a58453134df7db59ff22d74253b73c2747f83;hpb=057596eea8402aa8f7a670bf3195665aa8267204;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 316a584..2f8719a 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -28,12 +28,6 @@ #include -/* 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); /* ------------------------------------------------------------------------- */ @@ -107,9 +103,11 @@ int v4l2_chip_match_host(u32 id_type, u32 chip_id); struct i2c_driver; struct i2c_adapter; struct i2c_client; +struct i2c_device_id; int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver *driver, - const char *name, int (*probe)(struct i2c_client *)); + const char *name, + int (*probe)(struct i2c_client *, const struct i2c_device_id *)); /* ------------------------------------------------------------------------- */ @@ -227,18 +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_ */