* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Author: Alan Cox, <alan@redhat.com>
+ * Author: Alan Cox, <alan@lxorguk.ukuu.org.uk>
*
* Fixes:
*/
#include <asm/div64.h>
#define __OLD_VIDIOC_ /* To allow fixing old calls*/
#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
-#ifdef CONFIG_KMOD
-#include <linux/kmod.h>
-#endif
-
#include <linux/videodev2.h>
MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr");
"Private packet, IVTV format",
NULL
};
+ static const char *camera_power_line_frequency[] = {
+ "Disabled",
+ "50 Hz",
+ "60 Hz",
+ NULL
+ };
+ static const char *camera_exposure_auto[] = {
+ "Auto Mode",
+ "Manual Mode",
+ "Shutter Priority Mode",
+ "Aperture Priority Mode",
+ NULL
+ };
+ static const char *colorfx[] = {
+ "None",
+ "Black & White",
+ "Sepia",
+ NULL
+ };
switch (id) {
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
return mpeg_stream_type;
case V4L2_CID_MPEG_STREAM_VBI_FMT:
return mpeg_stream_vbi_fmt;
+ case V4L2_CID_POWER_LINE_FREQUENCY:
+ return camera_power_line_frequency;
+ case V4L2_CID_EXPOSURE_AUTO:
+ return camera_exposure_auto;
+ case V4L2_CID_COLORFX:
+ return colorfx;
default:
return NULL;
}
}
EXPORT_SYMBOL(v4l2_ctrl_get_menu);
-/* Fill in a struct v4l2_queryctrl */
-int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def)
+/* Return the control name. */
+const char *v4l2_ctrl_get_name(u32 id)
{
- const char *name;
-
- qctrl->flags = 0;
- switch (qctrl->id) {
+ switch (id) {
/* USER controls */
- case V4L2_CID_USER_CLASS: name = "User Controls"; break;
- case V4L2_CID_AUDIO_VOLUME: name = "Volume"; break;
- case V4L2_CID_AUDIO_MUTE: name = "Mute"; break;
- case V4L2_CID_AUDIO_BALANCE: name = "Balance"; break;
- case V4L2_CID_AUDIO_BASS: name = "Bass"; break;
- case V4L2_CID_AUDIO_TREBLE: name = "Treble"; break;
- case V4L2_CID_AUDIO_LOUDNESS: name = "Loudness"; break;
- case V4L2_CID_BRIGHTNESS: name = "Brightness"; break;
- case V4L2_CID_CONTRAST: name = "Contrast"; break;
- case V4L2_CID_SATURATION: name = "Saturation"; break;
- case V4L2_CID_HUE: name = "Hue"; break;
+ case V4L2_CID_USER_CLASS: return "User Controls";
+ case V4L2_CID_BRIGHTNESS: return "Brightness";
+ case V4L2_CID_CONTRAST: return "Contrast";
+ case V4L2_CID_SATURATION: return "Saturation";
+ case V4L2_CID_HUE: return "Hue";
+ case V4L2_CID_AUDIO_VOLUME: return "Volume";
+ case V4L2_CID_AUDIO_BALANCE: return "Balance";
+ case V4L2_CID_AUDIO_BASS: return "Bass";
+ case V4L2_CID_AUDIO_TREBLE: return "Treble";
+ case V4L2_CID_AUDIO_MUTE: return "Mute";
+ case V4L2_CID_AUDIO_LOUDNESS: return "Loudness";
+ case V4L2_CID_BLACK_LEVEL: return "Black Level";
+ case V4L2_CID_AUTO_WHITE_BALANCE: return "White Balance, Automatic";
+ case V4L2_CID_DO_WHITE_BALANCE: return "Do White Balance";
+ case V4L2_CID_RED_BALANCE: return "Red Balance";
+ case V4L2_CID_BLUE_BALANCE: return "Blue Balance";
+ case V4L2_CID_GAMMA: return "Gamma";
+ case V4L2_CID_EXPOSURE: return "Exposure";
+ case V4L2_CID_AUTOGAIN: return "Gain, Automatic";
+ case V4L2_CID_GAIN: return "Gain";
+ case V4L2_CID_HFLIP: return "Horizontal Flip";
+ case V4L2_CID_VFLIP: return "Vertical Flip";
+ case V4L2_CID_HCENTER: return "Horizontal Center";
+ case V4L2_CID_VCENTER: return "Vertical Center";
+ case V4L2_CID_POWER_LINE_FREQUENCY: return "Power Line Frequency";
+ case V4L2_CID_HUE_AUTO: return "Hue, Automatic";
+ case V4L2_CID_WHITE_BALANCE_TEMPERATURE: return "White Balance Temperature";
+ case V4L2_CID_SHARPNESS: return "Sharpness";
+ case V4L2_CID_BACKLIGHT_COMPENSATION: return "Backlight Compensation";
+ case V4L2_CID_CHROMA_AGC: return "Chroma AGC";
+ case V4L2_CID_COLOR_KILLER: return "Color Killer";
+ case V4L2_CID_COLORFX: return "Color Effects";
/* MPEG controls */
- case V4L2_CID_MPEG_CLASS: name = "MPEG Encoder Controls"; break;
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: name = "Audio Sampling Frequency"; break;
- case V4L2_CID_MPEG_AUDIO_ENCODING: name = "Audio Encoding"; break;
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: name = "Audio AC-3 Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_MODE: name = "Audio Stereo Mode"; break;
- case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break;
- case V4L2_CID_MPEG_AUDIO_EMPHASIS: name = "Audio Emphasis"; break;
- case V4L2_CID_MPEG_AUDIO_CRC: name = "Audio CRC"; break;
- case V4L2_CID_MPEG_AUDIO_MUTE: name = "Audio Mute"; break;
- case V4L2_CID_MPEG_VIDEO_ENCODING: name = "Video Encoding"; break;
- case V4L2_CID_MPEG_VIDEO_ASPECT: name = "Video Aspect"; break;
- case V4L2_CID_MPEG_VIDEO_B_FRAMES: name = "Video B Frames"; break;
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE: name = "Video GOP Size"; break;
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: name = "Video GOP Closure"; break;
- case V4L2_CID_MPEG_VIDEO_PULLDOWN: name = "Video Pulldown"; break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: name = "Video Bitrate Mode"; break;
- case V4L2_CID_MPEG_VIDEO_BITRATE: name = "Video Bitrate"; break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: name = "Video Peak Bitrate"; break;
- case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: name = "Video Temporal Decimation"; break;
- case V4L2_CID_MPEG_VIDEO_MUTE: name = "Video Mute"; break;
- case V4L2_CID_MPEG_VIDEO_MUTE_YUV: name = "Video Mute YUV"; break;
- case V4L2_CID_MPEG_STREAM_TYPE: name = "Stream Type"; break;
- case V4L2_CID_MPEG_STREAM_PID_PMT: name = "Stream PMT Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PID_AUDIO: name = "Stream Audio Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PID_VIDEO: name = "Stream Video Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PID_PCR: name = "Stream PCR Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: name = "Stream PES Audio ID"; break;
- case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: name = "Stream PES Video ID"; break;
- case V4L2_CID_MPEG_STREAM_VBI_FMT: name = "Stream VBI Format"; break;
+ case V4L2_CID_MPEG_CLASS: return "MPEG Encoder Controls";
+ case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: return "Audio Sampling Frequency";
+ case V4L2_CID_MPEG_AUDIO_ENCODING: return "Audio Encoding";
+ case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return "Audio Layer I Bitrate";
+ case V4L2_CID_MPEG_AUDIO_L2_BITRATE: return "Audio Layer II Bitrate";
+ case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return "Audio Layer III Bitrate";
+ case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: return "Audio AAC Bitrate";
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: return "Audio AC-3 Bitrate";
+ case V4L2_CID_MPEG_AUDIO_MODE: return "Audio Stereo Mode";
+ case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: return "Audio Stereo Mode Extension";
+ case V4L2_CID_MPEG_AUDIO_EMPHASIS: return "Audio Emphasis";
+ case V4L2_CID_MPEG_AUDIO_CRC: return "Audio CRC";
+ case V4L2_CID_MPEG_AUDIO_MUTE: return "Audio Mute";
+ case V4L2_CID_MPEG_VIDEO_ENCODING: return "Video Encoding";
+ case V4L2_CID_MPEG_VIDEO_ASPECT: return "Video Aspect";
+ case V4L2_CID_MPEG_VIDEO_B_FRAMES: return "Video B Frames";
+ case V4L2_CID_MPEG_VIDEO_GOP_SIZE: return "Video GOP Size";
+ case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: return "Video GOP Closure";
+ case V4L2_CID_MPEG_VIDEO_PULLDOWN: return "Video Pulldown";
+ case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: return "Video Bitrate Mode";
+ case V4L2_CID_MPEG_VIDEO_BITRATE: return "Video Bitrate";
+ case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: return "Video Peak Bitrate";
+ case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: return "Video Temporal Decimation";
+ case V4L2_CID_MPEG_VIDEO_MUTE: return "Video Mute";
+ case V4L2_CID_MPEG_VIDEO_MUTE_YUV: return "Video Mute YUV";
+ case V4L2_CID_MPEG_STREAM_TYPE: return "Stream Type";
+ case V4L2_CID_MPEG_STREAM_PID_PMT: return "Stream PMT Program ID";
+ case V4L2_CID_MPEG_STREAM_PID_AUDIO: return "Stream Audio Program ID";
+ case V4L2_CID_MPEG_STREAM_PID_VIDEO: return "Stream Video Program ID";
+ case V4L2_CID_MPEG_STREAM_PID_PCR: return "Stream PCR Program ID";
+ case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: return "Stream PES Audio ID";
+ case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: return "Stream PES Video ID";
+ case V4L2_CID_MPEG_STREAM_VBI_FMT: return "Stream VBI Format";
+
+ /* CAMERA controls */
+ case V4L2_CID_CAMERA_CLASS: return "Camera Controls";
+ case V4L2_CID_EXPOSURE_AUTO: return "Auto Exposure";
+ case V4L2_CID_EXPOSURE_ABSOLUTE: return "Exposure Time, Absolute";
+ case V4L2_CID_EXPOSURE_AUTO_PRIORITY: return "Exposure, Dynamic Framerate";
+ case V4L2_CID_PAN_RELATIVE: return "Pan, Relative";
+ case V4L2_CID_TILT_RELATIVE: return "Tilt, Relative";
+ case V4L2_CID_PAN_RESET: return "Pan, Reset";
+ case V4L2_CID_TILT_RESET: return "Tilt, Reset";
+ case V4L2_CID_PAN_ABSOLUTE: return "Pan, Absolute";
+ case V4L2_CID_TILT_ABSOLUTE: return "Tilt, Absolute";
+ case V4L2_CID_FOCUS_ABSOLUTE: return "Focus, Absolute";
+ case V4L2_CID_FOCUS_RELATIVE: return "Focus, Relative";
+ case V4L2_CID_FOCUS_AUTO: return "Focus, Automatic";
+ case V4L2_CID_ZOOM_ABSOLUTE: return "Zoom, Absolute";
+ case V4L2_CID_ZOOM_RELATIVE: return "Zoom, Relative";
+ case V4L2_CID_ZOOM_CONTINUOUS: return "Zoom, Continuous";
+ case V4L2_CID_PRIVACY: return "Privacy";
default:
- return -EINVAL;
+ return NULL;
}
+}
+EXPORT_SYMBOL(v4l2_ctrl_get_name);
+
+/* Fill in a struct v4l2_queryctrl */
+int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def)
+{
+ const char *name = v4l2_ctrl_get_name(qctrl->id);
+
+ qctrl->flags = 0;
+ if (name == NULL)
+ return -EINVAL;
+
switch (qctrl->id) {
case V4L2_CID_AUDIO_MUTE:
case V4L2_CID_AUDIO_LOUDNESS:
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ case V4L2_CID_AUTOGAIN:
+ case V4L2_CID_HFLIP:
+ case V4L2_CID_VFLIP:
+ case V4L2_CID_HUE_AUTO:
+ case V4L2_CID_CHROMA_AGC:
+ case V4L2_CID_COLOR_KILLER:
case V4L2_CID_MPEG_AUDIO_MUTE:
case V4L2_CID_MPEG_VIDEO_MUTE:
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
case V4L2_CID_MPEG_VIDEO_PULLDOWN:
+ case V4L2_CID_EXPOSURE_AUTO_PRIORITY:
+ case V4L2_CID_FOCUS_AUTO:
+ case V4L2_CID_PRIVACY:
qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
min = 0;
max = step = 1;
break;
+ case V4L2_CID_PAN_RESET:
+ case V4L2_CID_TILT_RESET:
+ qctrl->type = V4L2_CTRL_TYPE_BUTTON;
+ qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
+ min = max = step = def = 0;
+ break;
+ case V4L2_CID_POWER_LINE_FREQUENCY:
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
case V4L2_CID_MPEG_AUDIO_ENCODING:
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
case V4L2_CID_MPEG_STREAM_TYPE:
case V4L2_CID_MPEG_STREAM_VBI_FMT:
+ case V4L2_CID_EXPOSURE_AUTO:
+ case V4L2_CID_COLORFX:
qctrl->type = V4L2_CTRL_TYPE_MENU;
step = 1;
break;
case V4L2_CID_USER_CLASS:
+ case V4L2_CID_CAMERA_CLASS:
case V4L2_CID_MPEG_CLASS:
qctrl->type = V4L2_CTRL_TYPE_CTRL_CLASS;
qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
case V4L2_CID_CONTRAST:
case V4L2_CID_SATURATION:
case V4L2_CID_HUE:
+ case V4L2_CID_RED_BALANCE:
+ case V4L2_CID_BLUE_BALANCE:
+ case V4L2_CID_GAMMA:
+ case V4L2_CID_SHARPNESS:
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
break;
+ case V4L2_CID_PAN_RELATIVE:
+ case V4L2_CID_TILT_RELATIVE:
+ case V4L2_CID_FOCUS_RELATIVE:
+ case V4L2_CID_ZOOM_RELATIVE:
+ qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
+ break;
}
qctrl->minimum = min;
qctrl->maximum = max;
qctrl->step = step;
qctrl->default_value = def;
qctrl->reserved[0] = qctrl->reserved[1] = 0;
- snprintf(qctrl->name, sizeof(qctrl->name), name);
+ strlcpy(qctrl->name, name, sizeof(qctrl->name));
return 0;
}
EXPORT_SYMBOL(v4l2_ctrl_query_fill);
-/* Fill in a struct v4l2_queryctrl with standard values based on
- the control ID. */
-int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
-{
- switch (qctrl->id) {
- /* USER controls */
- case V4L2_CID_USER_CLASS:
- case V4L2_CID_MPEG_CLASS:
- return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
- case V4L2_CID_AUDIO_VOLUME:
- return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 58880);
- case V4L2_CID_AUDIO_MUTE:
- case V4L2_CID_AUDIO_LOUDNESS:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_AUDIO_BALANCE:
- case V4L2_CID_AUDIO_BASS:
- case V4L2_CID_AUDIO_TREBLE:
- return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 32768);
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128);
- case V4L2_CID_CONTRAST:
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qctrl, 0, 127, 1, 64);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qctrl, -128, 127, 1, 0);
-
- /* MPEG controls */
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_1,
- V4L2_MPEG_AUDIO_ENCODING_AC3, 1,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L1_BITRATE_32K,
- V4L2_MPEG_AUDIO_L1_BITRATE_448K, 1,
- V4L2_MPEG_AUDIO_L1_BITRATE_256K);
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L2_BITRATE_32K,
- V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
- V4L2_MPEG_AUDIO_L2_BITRATE_224K);
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L3_BITRATE_32K,
- V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1,
- V4L2_MPEG_AUDIO_L3_BITRATE_192K);
- case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_AC3_BITRATE_32K,
- V4L2_MPEG_AUDIO_AC3_BITRATE_640K, 1,
- V4L2_MPEG_AUDIO_AC3_BITRATE_384K);
- case V4L2_CID_MPEG_AUDIO_MODE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_MODE_STEREO,
- V4L2_MPEG_AUDIO_MODE_MONO, 1,
- V4L2_MPEG_AUDIO_MODE_STEREO);
- case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
- V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1,
- V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4);
- case V4L2_CID_MPEG_AUDIO_EMPHASIS:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_EMPHASIS_NONE,
- V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1,
- V4L2_MPEG_AUDIO_EMPHASIS_NONE);
- case V4L2_CID_MPEG_AUDIO_CRC:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_CRC_NONE,
- V4L2_MPEG_AUDIO_CRC_CRC16, 1,
- V4L2_MPEG_AUDIO_CRC_NONE);
- case V4L2_CID_MPEG_AUDIO_MUTE:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_ASPECT_1x1,
- V4L2_MPEG_VIDEO_ASPECT_221x100, 1,
- V4L2_MPEG_VIDEO_ASPECT_4x3);
- case V4L2_CID_MPEG_VIDEO_B_FRAMES:
- return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2);
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
- return v4l2_ctrl_query_fill(qctrl, 1, 34, 1, 12);
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1);
- case V4L2_CID_MPEG_VIDEO_PULLDOWN:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
- V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000);
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
- case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_VIDEO_MUTE:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_MPEG_VIDEO_MUTE_YUV: /* Init YUV (really YCbCr) to black */
- return v4l2_ctrl_query_fill(qctrl, 0, 0xffffff, 1, 0x008080);
- case V4L2_CID_MPEG_STREAM_TYPE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
- V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1,
- V4L2_MPEG_STREAM_TYPE_MPEG2_PS);
- case V4L2_CID_MPEG_STREAM_PID_PMT:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 16);
- case V4L2_CID_MPEG_STREAM_PID_AUDIO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 260);
- case V4L2_CID_MPEG_STREAM_PID_VIDEO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 256);
- case V4L2_CID_MPEG_STREAM_PID_PCR:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 259);
- case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_STREAM_VBI_FMT:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_STREAM_VBI_FMT_NONE,
- V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1,
- V4L2_MPEG_STREAM_VBI_FMT_NONE);
- default:
- return -EINVAL;
- }
-}
-EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
-
/* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and
- the menu. The qctrl pointer may be NULL, in which case it is ignored. */
+ the menu. The qctrl pointer may be NULL, in which case it is ignored.
+ If menu_items is NULL, then the menu items are retrieved using
+ v4l2_ctrl_get_menu. */
int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl,
const char **menu_items)
{
int i;
+ qmenu->reserved = 0;
+ if (menu_items == NULL)
+ menu_items = v4l2_ctrl_get_menu(qmenu->id);
if (menu_items == NULL ||
(qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum)))
return -EINVAL;
for (i = 0; i < qmenu->index && menu_items[i]; i++) ;
if (menu_items[i] == NULL || menu_items[i][0] == '\0')
return -EINVAL;
- snprintf(qmenu->name, sizeof(qmenu->name), menu_items[qmenu->index]);
- qmenu->reserved = 0;
+ strlcpy(qmenu->name, menu_items[qmenu->index], sizeof(qmenu->name));
return 0;
}
EXPORT_SYMBOL(v4l2_ctrl_query_menu);
+/* Fill in a struct v4l2_querymenu based on the specified array of valid
+ menu items (terminated by V4L2_CTRL_MENU_IDS_END).
+ Use this if there are 'holes' in the list of valid menu items. */
+int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids)
+{
+ const char **menu_items = v4l2_ctrl_get_menu(qmenu->id);
+
+ qmenu->reserved = 0;
+ if (menu_items == NULL || ids == NULL)
+ return -EINVAL;
+ while (*ids != V4L2_CTRL_MENU_IDS_END) {
+ if (*ids++ == qmenu->index) {
+ strlcpy(qmenu->name, menu_items[qmenu->index],
+ sizeof(qmenu->name));
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+EXPORT_SYMBOL(v4l2_ctrl_query_menu_valid_items);
+
/* ctrl_classes points to an array of u32 pointers, the last element is
a NULL pointer. Each u32 array is a 0-terminated array of control IDs.
Each array must be sorted low to high and belong to the same control
- class. The array of u32 pointer must also be sorted, from low class IDs
+ class. The array of u32 pointers must also be sorted, from low class IDs
to high class IDs.
This function returns the first ID that follows after the given ID.
}
EXPORT_SYMBOL(v4l2_ctrl_next);
-int v4l2_chip_match_host(u32 match_type, u32 match_chip)
+int v4l2_chip_match_host(const struct v4l2_dbg_match *match)
{
- switch (match_type) {
+ switch (match->type) {
case V4L2_CHIP_MATCH_HOST:
- return match_chip == 0;
+ return match->addr == 0;
default:
return 0;
}
EXPORT_SYMBOL(v4l2_chip_match_host);
#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
-int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_chip)
+int v4l2_chip_match_i2c_client(struct i2c_client *c, const struct v4l2_dbg_match *match)
{
- switch (match_type) {
+ int len;
+
+ if (c == NULL || match == NULL)
+ return 0;
+
+ switch (match->type) {
case V4L2_CHIP_MATCH_I2C_DRIVER:
- return (c != NULL && c->driver != NULL && c->driver->id == match_chip);
+ if (c->driver == NULL || c->driver->driver.name == NULL)
+ return 0;
+ len = strlen(c->driver->driver.name);
+ /* legacy drivers have a ' suffix, don't try to match that */
+ if (len && c->driver->driver.name[len - 1] == '\'')
+ len--;
+ return len && !strncmp(c->driver->driver.name, match->name, len);
case V4L2_CHIP_MATCH_I2C_ADDR:
- return (c != NULL && c->addr == match_chip);
+ return c->addr == match->addr;
default:
return 0;
}
}
EXPORT_SYMBOL(v4l2_chip_match_i2c_client);
-int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_chip_ident *chip,
+int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_dbg_chip_ident *chip,
u32 ident, u32 revision)
{
- if (!v4l2_chip_match_i2c_client(c, chip->match_type, chip->match_chip))
+ if (!v4l2_chip_match_i2c_client(c, &chip->match))
return 0;
if (chip->ident == V4L2_IDENT_NONE) {
chip->ident = ident;
/* ----------------------------------------------------------------- */
-/* Helper function for I2C legacy drivers */
+/* I2C Helper functions */
+
-int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver *driver,
- const char *name,
- int (*probe)(struct i2c_client *, const struct i2c_device_id *))
+void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
+ const struct v4l2_subdev_ops *ops)
{
+ v4l2_subdev_init(sd, ops);
+ /* the owner is the same as the i2c_client's driver owner */
+ sd->owner = client->driver->driver.owner;
+ /* i2c_client and v4l2_subdev point to one another */
+ v4l2_set_subdevdata(sd, client);
+ i2c_set_clientdata(client, sd);
+ /* initialize name */
+ snprintf(sd->name, sizeof(sd->name), "%s %d-%04x",
+ client->driver->driver.name, i2c_adapter_id(client->adapter),
+ client->addr);
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_init);
+
+
+
+/* Load an i2c sub-device. It assumes that i2c_get_adapdata(adapter)
+ returns the v4l2_device and that i2c_get_clientdata(client)
+ returns the v4l2_subdev. */
+struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr)
+{
+ struct v4l2_device *dev = i2c_get_adapdata(adapter);
+ struct v4l2_subdev *sd = NULL;
struct i2c_client *client;
- int err;
-
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!client)
- return -ENOMEM;
-
- client->addr = address;
- client->adapter = adapter;
- client->driver = driver;
- strlcpy(client->name, name, sizeof(client->name));
-
- err = probe(client, NULL);
- if (err == 0) {
- i2c_attach_client(client);
- } else {
- kfree(client);
+ struct i2c_board_info info;
+
+ BUG_ON(!dev);
+
+ if (module_name)
+ request_module(module_name);
+
+ /* Setup the i2c board info with the device type and
+ the device address. */
+ memset(&info, 0, sizeof(info));
+ strlcpy(info.type, client_type, sizeof(info.type));
+ info.addr = addr;
+
+ /* Create the i2c client */
+ client = i2c_new_device(adapter, &info);
+ /* Note: it is possible in the future that
+ c->driver is NULL if the driver is still being loaded.
+ We need better support from the kernel so that we
+ can easily wait for the load to finish. */
+ if (client == NULL || client->driver == NULL)
+ goto error;
+
+ /* Lock the module so we can safely get the v4l2_subdev pointer */
+ if (!try_module_get(client->driver->driver.owner))
+ goto error;
+ sd = i2c_get_clientdata(client);
+
+ /* Register with the v4l2_device which increases the module's
+ use count as well. */
+ if (v4l2_device_register_subdev(dev, sd))
+ sd = NULL;
+ /* Decrease the module use count to match the first try_module_get. */
+ module_put(client->driver->driver.owner);
+
+error:
+ /* If we have a client but no subdev, then something went wrong and
+ we must unregister the client. */
+ if (client && sd == NULL)
+ i2c_unregister_device(client);
+ return sd;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_subdev);
+
+/* Probe and load an i2c sub-device. It assumes that i2c_get_adapdata(adapter)
+ returns the v4l2_device and that i2c_get_clientdata(client)
+ returns the v4l2_subdev. */
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type,
+ const unsigned short *addrs)
+{
+ struct v4l2_device *dev = i2c_get_adapdata(adapter);
+ struct v4l2_subdev *sd = NULL;
+ struct i2c_client *client = NULL;
+ struct i2c_board_info info;
+
+ BUG_ON(!dev);
+
+ if (module_name)
+ request_module(module_name);
+
+ /* Setup the i2c board info with the device type and
+ the device address. */
+ memset(&info, 0, sizeof(info));
+ strlcpy(info.type, client_type, sizeof(info.type));
+
+ /* Probe and create the i2c client */
+ client = i2c_new_probed_device(adapter, &info, addrs);
+ /* Note: it is possible in the future that
+ c->driver is NULL if the driver is still being loaded.
+ We need better support from the kernel so that we
+ can easily wait for the load to finish. */
+ if (client == NULL || client->driver == NULL)
+ goto error;
+
+ /* Lock the module so we can safely get the v4l2_subdev pointer */
+ if (!try_module_get(client->driver->driver.owner))
+ goto error;
+ sd = i2c_get_clientdata(client);
+
+ /* Register with the v4l2_device which increases the module's
+ use count as well. */
+ if (v4l2_device_register_subdev(dev, sd))
+ sd = NULL;
+ /* Decrease the module use count to match the first try_module_get. */
+ module_put(client->driver->driver.owner);
+
+error:
+ /* If we have a client but no subdev, then something went wrong and
+ we must unregister the client. */
+ if (client && sd == NULL)
+ i2c_unregister_device(client);
+ return sd;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev);
+
+/* Return i2c client address of v4l2_subdev. */
+unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return client ? client->addr : I2C_CLIENT_END;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_addr);
+
+/* Return a list of I2C tuner addresses to probe. Use only if the tuner
+ addresses are unknown. */
+const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type)
+{
+ static const unsigned short radio_addrs[] = {
+#if defined(CONFIG_MEDIA_TUNER_TEA5761) || defined(CONFIG_MEDIA_TUNER_TEA5761_MODULE)
+ 0x10,
+#endif
+ 0x60,
+ I2C_CLIENT_END
+ };
+ static const unsigned short demod_addrs[] = {
+ 0x42, 0x43, 0x4a, 0x4b,
+ I2C_CLIENT_END
+ };
+ static const unsigned short tv_addrs[] = {
+ 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
+ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+ I2C_CLIENT_END
+ };
+
+ switch (type) {
+ case ADDRS_RADIO:
+ return radio_addrs;
+ case ADDRS_DEMOD:
+ return demod_addrs;
+ case ADDRS_TV:
+ return tv_addrs;
+ case ADDRS_TV_WITH_DEMOD:
+ return tv_addrs + 4;
}
- return err != -ENOMEM ? 0 : err;
+ return NULL;
}
-EXPORT_SYMBOL(v4l2_i2c_attach);
+EXPORT_SYMBOL_GPL(v4l2_i2c_tuner_addrs);
+
#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff