From 0b159acdd577dfd961ad14177c23e97d3ad33009 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Mon, 21 Mar 2011 12:52:51 -0300 Subject: [PATCH] [media] v4l: Add a class and a set of controls for flash devices Add a control class and a set of controls to support LED and Xenon flash devices. An example of such a device is the adp1653. Signed-off-by: Sakari Ailus Acked-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-ctrls.c | 45 ++++++++++++++++++++++++++++++++ include/linux/videodev2.h | 36 +++++++++++++++++++++++++ 2 files changed, 81 insertions(+) diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c index 86554b5cdca0..37c064829ea5 100644 --- a/drivers/media/video/v4l2-ctrls.c +++ b/drivers/media/video/v4l2-ctrls.c @@ -238,6 +238,17 @@ const char * const *v4l2_ctrl_get_menu(u32 id) "75 useconds", NULL, }; + static const char * const flash_led_mode[] = { + "Off", + "Flash", + "Torch", + NULL, + }; + static const char * const flash_strobe_source[] = { + "Software", + "External", + NULL, + }; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -278,6 +289,10 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return colorfx; case V4L2_CID_TUNE_PREEMPHASIS: return tune_preemphasis; + case V4L2_CID_FLASH_LED_MODE: + return flash_led_mode; + case V4L2_CID_FLASH_STROBE_SOURCE: + return flash_strobe_source; default: return NULL; } @@ -411,6 +426,21 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_TUNE_POWER_LEVEL: return "Tune Power Level"; case V4L2_CID_TUNE_ANTENNA_CAPACITOR: return "Tune Antenna Capacitor"; + /* Flash controls */ + case V4L2_CID_FLASH_CLASS: return "Flash controls"; + case V4L2_CID_FLASH_LED_MODE: return "LED mode"; + case V4L2_CID_FLASH_STROBE_SOURCE: return "Strobe source"; + case V4L2_CID_FLASH_STROBE: return "Strobe"; + case V4L2_CID_FLASH_STROBE_STOP: return "Stop strobe"; + case V4L2_CID_FLASH_STROBE_STATUS: return "Strobe status"; + case V4L2_CID_FLASH_TIMEOUT: return "Strobe timeout"; + case V4L2_CID_FLASH_INTENSITY: return "Intensity, flash mode"; + case V4L2_CID_FLASH_TORCH_INTENSITY: return "Intensity, torch mode"; + case V4L2_CID_FLASH_INDICATOR_INTENSITY: return "Intensity, indicator"; + case V4L2_CID_FLASH_FAULT: return "Faults"; + case V4L2_CID_FLASH_CHARGE: return "Charge"; + case V4L2_CID_FLASH_READY: return "Ready to strobe"; + default: return NULL; } @@ -445,12 +475,17 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_PILOT_TONE_ENABLED: case V4L2_CID_ILLUMINATORS_1: case V4L2_CID_ILLUMINATORS_2: + case V4L2_CID_FLASH_STROBE_STATUS: + case V4L2_CID_FLASH_CHARGE: + case V4L2_CID_FLASH_READY: *type = V4L2_CTRL_TYPE_BOOLEAN; *min = 0; *max = *step = 1; break; case V4L2_CID_PAN_RESET: case V4L2_CID_TILT_RESET: + case V4L2_CID_FLASH_STROBE: + case V4L2_CID_FLASH_STROBE_STOP: *type = V4L2_CTRL_TYPE_BUTTON; *flags |= V4L2_CTRL_FLAG_WRITE_ONLY; *min = *max = *step = *def = 0; @@ -474,6 +509,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_EXPOSURE_AUTO: case V4L2_CID_COLORFX: case V4L2_CID_TUNE_PREEMPHASIS: + case V4L2_CID_FLASH_LED_MODE: + case V4L2_CID_FLASH_STROBE_SOURCE: *type = V4L2_CTRL_TYPE_MENU; break; case V4L2_CID_RDS_TX_PS_NAME: @@ -484,6 +521,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_CAMERA_CLASS: case V4L2_CID_MPEG_CLASS: case V4L2_CID_FM_TX_CLASS: + case V4L2_CID_FLASH_CLASS: *type = V4L2_CTRL_TYPE_CTRL_CLASS; /* You can neither read not write these */ *flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY; @@ -496,6 +534,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, /* Max is calculated as RGB888 that is 2^24 */ *max = 0xFFFFFF; break; + case V4L2_CID_FLASH_FAULT: + *type = V4L2_CTRL_TYPE_BITMASK; + break; default: *type = V4L2_CTRL_TYPE_INTEGER; break; @@ -541,6 +582,10 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_ZOOM_RELATIVE: *flags |= V4L2_CTRL_FLAG_WRITE_ONLY; break; + case V4L2_CID_FLASH_STROBE_STATUS: + case V4L2_CID_FLASH_READY: + *flags |= V4L2_CTRL_FLAG_READ_ONLY; + break; } } EXPORT_SYMBOL(v4l2_ctrl_fill); diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 148d1a51ca22..8b1224c1c536 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1027,6 +1027,7 @@ struct v4l2_ext_controls { #define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */ #define V4L2_CTRL_CLASS_CAMERA 0x009a0000 /* Camera class controls */ #define V4L2_CTRL_CLASS_FM_TX 0x009b0000 /* FM Modulator control class */ +#define V4L2_CTRL_CLASS_FLASH 0x009c0000 /* Camera flash controls */ #define V4L2_CTRL_ID_MASK (0x0fffffff) #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) @@ -1429,6 +1430,41 @@ enum v4l2_preemphasis { #define V4L2_CID_TUNE_POWER_LEVEL (V4L2_CID_FM_TX_CLASS_BASE + 113) #define V4L2_CID_TUNE_ANTENNA_CAPACITOR (V4L2_CID_FM_TX_CLASS_BASE + 114) +/* Flash and privacy (indicator) light controls */ +#define V4L2_CID_FLASH_CLASS_BASE (V4L2_CTRL_CLASS_FLASH | 0x900) +#define V4L2_CID_FLASH_CLASS (V4L2_CTRL_CLASS_FLASH | 1) + +#define V4L2_CID_FLASH_LED_MODE (V4L2_CID_FLASH_CLASS_BASE + 1) +enum v4l2_flash_led_mode { + V4L2_FLASH_LED_MODE_NONE, + V4L2_FLASH_LED_MODE_FLASH, + V4L2_FLASH_LED_MODE_TORCH, +}; + +#define V4L2_CID_FLASH_STROBE_SOURCE (V4L2_CID_FLASH_CLASS_BASE + 2) +enum v4l2_flash_strobe_source { + V4L2_FLASH_STROBE_SOURCE_SOFTWARE, + V4L2_FLASH_STROBE_SOURCE_EXTERNAL, +}; + +#define V4L2_CID_FLASH_STROBE (V4L2_CID_FLASH_CLASS_BASE + 3) +#define V4L2_CID_FLASH_STROBE_STOP (V4L2_CID_FLASH_CLASS_BASE + 4) +#define V4L2_CID_FLASH_STROBE_STATUS (V4L2_CID_FLASH_CLASS_BASE + 5) + +#define V4L2_CID_FLASH_TIMEOUT (V4L2_CID_FLASH_CLASS_BASE + 6) +#define V4L2_CID_FLASH_INTENSITY (V4L2_CID_FLASH_CLASS_BASE + 7) +#define V4L2_CID_FLASH_TORCH_INTENSITY (V4L2_CID_FLASH_CLASS_BASE + 8) +#define V4L2_CID_FLASH_INDICATOR_INTENSITY (V4L2_CID_FLASH_CLASS_BASE + 9) + +#define V4L2_CID_FLASH_FAULT (V4L2_CID_FLASH_CLASS_BASE + 10) +#define V4L2_FLASH_FAULT_OVER_VOLTAGE (1 << 0) +#define V4L2_FLASH_FAULT_TIMEOUT (1 << 1) +#define V4L2_FLASH_FAULT_OVER_TEMPERATURE (1 << 2) +#define V4L2_FLASH_FAULT_SHORT_CIRCUIT (1 << 3) + +#define V4L2_CID_FLASH_CHARGE (V4L2_CID_FLASH_CLASS_BASE + 11) +#define V4L2_CID_FLASH_READY (V4L2_CID_FLASH_CLASS_BASE + 12) + /* * T U N I N G */ -- 2.30.2