diff options
Diffstat (limited to 'include/media/v4l2-common.h')
| -rw-r--r-- | include/media/v4l2-common.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 642520acdfa7..5564db13c0d5 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -26,8 +26,14 @@ #ifndef V4L2_COMMON_H_ #define V4L2_COMMON_H_ +#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. */ @@ -78,6 +84,19 @@ extern void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg); /* ------------------------------------------------------------------------- */ +/* Control helper functions */ + +int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, + const char **menu_items); +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); +u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id); + +/* ------------------------------------------------------------------------- */ + /* Internal ioctls */ /* VIDIOC_INT_G_REGISTER and VIDIOC_INT_S_REGISTER */ @@ -112,6 +131,8 @@ enum v4l2_chip_ident { V4L2_IDENT_SAA7129 = 159, /* module cx25840: reserved range 200-249 */ + V4L2_IDENT_CX25836 = 236, + V4L2_IDENT_CX25837 = 237, V4L2_IDENT_CX25840 = 240, V4L2_IDENT_CX25841 = 241, V4L2_IDENT_CX25842 = 242, @@ -211,4 +232,15 @@ struct v4l2_routing { #define VIDIOC_INT_S_VIDEO_ROUTING _IOW ('d', 111, struct v4l2_routing) #define VIDIOC_INT_G_VIDEO_ROUTING _IOR ('d', 112, struct v4l2_routing) +struct v4l2_crystal_freq { + u32 freq; /* frequency in Hz of the crystal */ + u32 flags; /* device specific flags */ +}; + +/* Sets the frequency of the crystal used to generate the clocks. + 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) + #endif /* V4L2_COMMON_H_ */ |