Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (244 commits)
  V4L/DVB (4210b): git-dvb: tea575x-tuner build fix
  V4L/DVB (4210a): git-dvb versus matroxfb
  V4L/DVB (4209): Added some BTTV PCI IDs for newer boards
  Fixes some sync issues between V4L/DVB development and GIT
  V4L/DVB (4206): Cx88-blackbird: always set encoder height based on tvnorm->id
  V4L/DVB (4205): Merge tda9887 module into tuner.
  V4L/DVB (4203): Explicitly set the enum values.
  V4L/DVB (4202): allow selecting CX2341x port mode
  V4L/DVB (4200): Disable bitrate_mode when encoding mpeg-1.
  V4L/DVB (4199): Add cx2341x-specific control array to cx2341x.c
  V4L/DVB (4198): Avoid newer usages of obsoleted experimental MPEGCOMP API
  V4L/DVB (4197): Port new MPEG API to saa7134-empress with saa6752hs
  V4L/DVB (4196): Port cx88-blackbird to the new MPEG API.
  V4L/DVB (4193): Update cx2341x fw encoding API doc.
  V4L/DVB (4192): Use control helpers for saa7115, cx25840, msp3400.
  V4L/DVB (4191): Add CX2341X MPEG encoder module.
  V4L/DVB (4190): Add helper functions for control processing to v4l2-common.
  V4L/DVB (4189): Add videodev support for VIDIOC_S/G/TRY_EXT_CTRLS.
  V4L/DVB (4188): Add new MPEG control/ioctl definitions to videodev2.h
  V4L/DVB (4186): Add support for the DNTV Live! mini DVB-T card.
  ...

1 files changed, 529 insertions, 4 deletions

diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index d330fa985bcc..14e523471354 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -59,6 +59,7 @@
 #include <asm/io.h>
 #include <asm/div64.h>
 #include <linux/video_decoder.h>
+#define __OLD_VIDIOC_ /* To allow fixing old calls*/
 #include <media/v4l2-common.h>
 
 #ifdef CONFIG_KMOD
@@ -293,7 +294,10 @@ static const char *v4l2_ioctls[] = {
 #if 1
 	[_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP",
 #endif
-	[_IOC_NR(VIDIOC_LOG_STATUS)]       = "VIDIOC_LOG_STATUS"
+	[_IOC_NR(VIDIOC_LOG_STATUS)]       = "VIDIOC_LOG_STATUS",
+	[_IOC_NR(VIDIOC_G_EXT_CTRLS)]      = "VIDIOC_G_EXT_CTRLS",
+	[_IOC_NR(VIDIOC_S_EXT_CTRLS)]      = "VIDIOC_S_EXT_CTRLS",
+	[_IOC_NR(VIDIOC_TRY_EXT_CTRLS)]    = "VIDIOC_TRY_EXT_CTRLS"
 };
 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
 
@@ -331,7 +335,8 @@ static const char *v4l2_int_ioctls[] = {
 	[_IOC_NR(VIDIOC_INT_S_AUDIO_ROUTING)]  = "VIDIOC_INT_S_AUDIO_ROUTING",
 	[_IOC_NR(VIDIOC_INT_G_AUDIO_ROUTING)]  = "VIDIOC_INT_G_AUDIO_ROUTING",
 	[_IOC_NR(VIDIOC_INT_S_VIDEO_ROUTING)]  = "VIDIOC_INT_S_VIDEO_ROUTING",
-	[_IOC_NR(VIDIOC_INT_G_VIDEO_ROUTING)]  = "VIDIOC_INT_G_VIDEO_ROUTING"
+	[_IOC_NR(VIDIOC_INT_G_VIDEO_ROUTING)]  = "VIDIOC_INT_G_VIDEO_ROUTING",
+	[_IOC_NR(VIDIOC_INT_S_CRYSTAL_FREQ)]   = "VIDIOC_INT_S_CRYSTAL_FREQ"
 };
 #define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls)
 
@@ -423,7 +428,9 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 	case TUNER_SET_TYPE_ADDR:
 	case TUNER_SET_STANDBY:
 	case TDA9887_SET_CONFIG:
+#ifdef __OLD_VIDIOC_
 	case VIDIOC_OVERLAY_OLD:
+#endif
 	case VIDIOC_STREAMOFF:
 	case VIDIOC_G_OUTPUT:
 	case VIDIOC_S_OUTPUT:
@@ -439,7 +446,9 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 	case VIDIOC_G_AUDIO:
 	case VIDIOC_S_AUDIO:
 	case VIDIOC_ENUMAUDIO:
+#ifdef __OLD_VIDIOC_
 	case VIDIOC_G_AUDIO_OLD:
+#endif
 	{
 		struct v4l2_audio *p=arg;
 
@@ -450,7 +459,9 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 	case VIDIOC_G_AUDOUT:
 	case VIDIOC_S_AUDOUT:
 	case VIDIOC_ENUMAUDOUT:
+#ifdef __OLD_VIDIOC_
 	case VIDIOC_G_AUDOUT_OLD:
+#endif
 	{
 		struct v4l2_audioout *p=arg;
 		printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n", s,
@@ -478,9 +489,9 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 				prt_names(p->memory,v4l2_memory_names),
 				p->m.userptr);
 		printk ("%s: timecode= %02d:%02d:%02d type=%d, "
-			"flags=0x%08x, frames=%d, userbits=0x%p\n",
+			"flags=0x%08x, frames=%d, userbits=0x%08x\n",
 				s,tc->hours,tc->minutes,tc->seconds,
-				tc->type, tc->flags, tc->frames, tc->userbits);
+				tc->type, tc->flags, tc->frames, *(__u32 *) tc->userbits);
 		break;
 	}
 	case VIDIOC_QUERYCAP:
@@ -495,12 +506,31 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 	}
 	case VIDIOC_G_CTRL:
 	case VIDIOC_S_CTRL:
+#ifdef __OLD_VIDIOC_
 	case VIDIOC_S_CTRL_OLD:
+#endif
 	{
 		struct v4l2_control *p=arg;
 		printk ("%s: id=%d, value=%d\n", s, p->id, p->value);
 		break;
 	}
+	case VIDIOC_G_EXT_CTRLS:
+	case VIDIOC_S_EXT_CTRLS:
+	case VIDIOC_TRY_EXT_CTRLS:
+	{
+		struct v4l2_ext_controls *p = arg;
+		int i;
+
+		printk("%s: ctrl_class=%d, count=%d\n", s, p->ctrl_class, p->count);
+		for (i = 0; i < p->count; i++) {
+			struct v4l2_ext_control *c = &p->controls[i];
+			if (cmd == VIDIOC_G_EXT_CTRLS)
+				printk("%s: id=%d\n", s, c->id);
+			else
+				printk("%s: id=%d, value=%d\n", s, c->id, c->value);
+		}
+		break;
+	}
 	case VIDIOC_G_CROP:
 	case VIDIOC_S_CROP:
 	{
@@ -510,7 +540,9 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 		break;
 	}
 	case VIDIOC_CROPCAP:
+#ifdef __OLD_VIDIOC_
 	case VIDIOC_CROPCAP_OLD:
+#endif
 	{
 		struct v4l2_cropcap *p=arg;
 		/*FIXME: Should also show rect structs */
@@ -667,6 +699,12 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 		printk ("%s: input=0x%x, output=0x%x\n", s, p->input, p->output);
 		break;
 	}
+	case VIDIOC_INT_S_CRYSTAL_FREQ:
+	{
+		struct v4l2_crystal_freq *p=arg;
+		printk ("%s: freq=%u, flags=0x%x\n", s, p->freq, p->flags);
+		break;
+	}
 	case VIDIOC_G_SLICED_VBI_CAP:
 	{
 		struct v4l2_sliced_vbi_cap *p=arg;
@@ -696,7 +734,9 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 	}
 	case VIDIOC_G_PARM:
 	case VIDIOC_S_PARM:
+#ifdef __OLD_VIDIOC_
 	case VIDIOC_S_PARM_OLD:
+#endif
 	{
 		struct v4l2_streamparm *p=arg;
 		printk ("%s: type=%d\n", s, p->type);
@@ -915,6 +955,484 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 
 /* ----------------------------------------------------------------- */
 
+/* Helper functions for control handling			     */
+
+/* Check for correctness of the ctrl's value based on the data from
+   struct v4l2_queryctrl and the available menu items. Note that
+   menu_items may be NULL, in that case it is ignored. */
+int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
+		const char **menu_items)
+{
+	if (qctrl->flags & V4L2_CTRL_FLAG_DISABLED)
+		return -EINVAL;
+	if (qctrl->flags & V4L2_CTRL_FLAG_GRABBED)
+		return -EBUSY;
+	if (qctrl->type == V4L2_CTRL_TYPE_BUTTON ||
+	    qctrl->type == V4L2_CTRL_TYPE_INTEGER64 ||
+	    qctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS)
+		return 0;
+	if (ctrl->value < qctrl->minimum || ctrl->value > qctrl->maximum)
+		return -ERANGE;
+	if (qctrl->type == V4L2_CTRL_TYPE_MENU && menu_items != NULL) {
+		if (menu_items[ctrl->value] == NULL ||
+		    menu_items[ctrl->value][0] == '\0')
+			return -EINVAL;
+	}
+	return 0;
+}
+
+/* Returns NULL or a character pointer array containing the menu for
+   the given control ID. The pointer array ends with a NULL pointer.
+   An empty string signifies a menu entry that is invalid. This allows
+   drivers to disable certain options if it is not supported. */
+const char **v4l2_ctrl_get_menu(u32 id)
+{
+	static const char *mpeg_audio_sampling_freq[] = {
+		"44.1 kHz",
+		"48 kHz",
+		"32 kHz",
+		NULL
+	};
+	static const char *mpeg_audio_encoding[] = {
+		"Layer I",
+		"Layer II",
+		"Layer III",
+		NULL
+	};
+	static const char *mpeg_audio_l1_bitrate[] = {
+		"32 kbps",
+		"64 kbps",
+		"96 kbps",
+		"128 kbps",
+		"160 kbps",
+		"192 kbps",
+		"224 kbps",
+		"256 kbps",
+		"288 kbps",
+		"320 kbps",
+		"352 kbps",
+		"384 kbps",
+		"416 kbps",
+		"448 kbps",
+		NULL
+	};
+	static const char *mpeg_audio_l2_bitrate[] = {
+		"32 kbps",
+		"48 kbps",
+		"56 kbps",
+		"64 kbps",
+		"80 kbps",
+		"96 kbps",
+		"112 kbps",
+		"128 kbps",
+		"160 kbps",
+		"192 kbps",
+		"224 kbps",
+		"256 kbps",
+		"320 kbps",
+		"384 kbps",
+		NULL
+	};
+	static const char *mpeg_audio_l3_bitrate[] = {
+		"32 kbps",
+		"40 kbps",
+		"48 kbps",
+		"56 kbps",
+		"64 kbps",
+		"80 kbps",
+		"96 kbps",
+		"112 kbps",
+		"128 kbps",
+		"160 kbps",
+		"192 kbps",
+		"224 kbps",
+		"256 kbps",
+		"320 kbps",
+		NULL
+	};
+	static const char *mpeg_audio_mode[] = {
+		"Stereo",
+		"Joint Stereo",
+		"Dual",
+		"Mono",
+		NULL
+	};
+	static const char *mpeg_audio_mode_extension[] = {
+		"Bound 4",
+		"Bound 8",
+		"Bound 12",
+		"Bound 16",
+		NULL
+	};
+	static const char *mpeg_audio_emphasis[] = {
+		"No Emphasis",
+		"50/15 us",
+		"CCITT J17",
+		NULL
+	};
+	static const char *mpeg_audio_crc[] = {
+		"No CRC",
+		"16-bit CRC",
+		NULL
+	};
+	static const char *mpeg_video_encoding[] = {
+		"MPEG-1",
+		"MPEG-2",
+		NULL
+	};
+	static const char *mpeg_video_aspect[] = {
+		"1x1",
+		"4x3",
+		"16x9",
+		"2.21x1",
+		NULL
+	};
+	static const char *mpeg_video_bitrate_mode[] = {
+		"Variable Bitrate",
+		"Constant Bitrate",
+		NULL
+	};
+	static const char *mpeg_stream_type[] = {
+		"MPEG-2 Program Stream",
+		"MPEG-2 Transport Stream",
+		"MPEG-1 System Stream",
+		"MPEG-2 DVD-compatible Stream",
+		"MPEG-1 VCD-compatible Stream",
+		"MPEG-2 SVCD-compatible Stream",
+		NULL
+	};
+
+	switch (id) {
+		case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
+			return mpeg_audio_sampling_freq;
+		case V4L2_CID_MPEG_AUDIO_ENCODING:
+			return mpeg_audio_encoding;
+		case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
+			return mpeg_audio_l1_bitrate;
+		case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
+			return mpeg_audio_l2_bitrate;
+		case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
+			return mpeg_audio_l3_bitrate;
+		case V4L2_CID_MPEG_AUDIO_MODE:
+			return mpeg_audio_mode;
+		case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
+			return mpeg_audio_mode_extension;
+		case V4L2_CID_MPEG_AUDIO_EMPHASIS:
+			return mpeg_audio_emphasis;
+		case V4L2_CID_MPEG_AUDIO_CRC:
+			return mpeg_audio_crc;
+		case V4L2_CID_MPEG_VIDEO_ENCODING:
+			return mpeg_video_encoding;
+		case V4L2_CID_MPEG_VIDEO_ASPECT:
+			return mpeg_video_aspect;
+		case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+			return mpeg_video_bitrate_mode;
+		case V4L2_CID_MPEG_STREAM_TYPE:
+			return mpeg_stream_type;
+		default:
+			return NULL;
+	}
+}
+
+/* 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;
+
+	qctrl->flags = 0;
+	switch (qctrl->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;
+
+	/* 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 Layer"; 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_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_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_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;
+
+	default:
+		return -EINVAL;
+	}
+	switch (qctrl->id) {
+	case V4L2_CID_AUDIO_MUTE:
+	case V4L2_CID_AUDIO_LOUDNESS:
+	case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
+	case V4L2_CID_MPEG_VIDEO_PULLDOWN:
+		qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
+		min = 0;
+		max = step = 1;
+		break;
+	case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
+	case V4L2_CID_MPEG_AUDIO_ENCODING:
+	case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
+	case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
+	case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
+	case V4L2_CID_MPEG_AUDIO_MODE:
+	case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
+	case V4L2_CID_MPEG_AUDIO_EMPHASIS:
+	case V4L2_CID_MPEG_AUDIO_CRC:
+	case V4L2_CID_MPEG_VIDEO_ENCODING:
+	case V4L2_CID_MPEG_VIDEO_ASPECT:
+	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+	case V4L2_CID_MPEG_STREAM_TYPE:
+		qctrl->type = V4L2_CTRL_TYPE_MENU;
+		step = 1;
+		break;
+	case V4L2_CID_USER_CLASS:
+	case V4L2_CID_MPEG_CLASS:
+		qctrl->type = V4L2_CTRL_TYPE_CTRL_CLASS;
+		qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+		min = max = step = def = 0;
+		break;
+	default:
+		qctrl->type = V4L2_CTRL_TYPE_INTEGER;
+		break;
+	}
+	switch (qctrl->id) {
+	case V4L2_CID_MPEG_AUDIO_ENCODING:
+	case V4L2_CID_MPEG_AUDIO_MODE:
+	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+	case V4L2_CID_MPEG_VIDEO_B_FRAMES:
+	case V4L2_CID_MPEG_STREAM_TYPE:
+		qctrl->flags |= V4L2_CTRL_FLAG_UPDATE;
+		break;
+	case V4L2_CID_AUDIO_VOLUME:
+	case V4L2_CID_AUDIO_BALANCE:
+	case V4L2_CID_AUDIO_BASS:
+	case V4L2_CID_AUDIO_TREBLE:
+	case V4L2_CID_BRIGHTNESS:
+	case V4L2_CID_CONTRAST:
+	case V4L2_CID_SATURATION:
+	case V4L2_CID_HUE:
+		qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
+		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);
+	return 0;
+}
+
+/* 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_LAYER_3, 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_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_VIDEO_ENCODING:
+		return v4l2_ctrl_query_fill(qctrl,
+				V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
+				V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 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_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);
+	default:
+		return -EINVAL;
+	}
+}
+
+/* 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. */
+int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl,
+	       const char **menu_items)
+{
+	int i;
+
+	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;
+	return 0;
+}
+
+/* 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
+   to high class IDs.
+
+   This function returns the first ID that follows after the given ID.
+   When no more controls are available 0 is returned. */
+u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
+{
+	u32 ctrl_class;
+	const u32 *pctrl;
+
+	/* if no query is desired, then just return the control ID */
+	if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0)
+		return id;
+	if (ctrl_classes == NULL)
+		return 0;
+	id &= V4L2_CTRL_ID_MASK;
+	ctrl_class = V4L2_CTRL_ID2CLASS(id);
+	id++;	/* select next control */
+	/* find first class that matches (or is greater than) the class of
+	   the ID */
+	while (*ctrl_classes && V4L2_CTRL_ID2CLASS(**ctrl_classes) < ctrl_class)
+		ctrl_classes++;
+	/* no more classes */
+	if (*ctrl_classes == NULL)
+		return 0;
+	pctrl = *ctrl_classes;
+	/* find first ctrl within the class that is >= ID */
+	while (*pctrl && *pctrl < id) pctrl++;
+	if (*pctrl)
+		return *pctrl;
+	/* we are at the end of the controls of the current class. */
+	/* continue with next class if available */
+	ctrl_classes++;
+	if (*ctrl_classes == NULL)
+		return 0;
+	return **ctrl_classes;
+}
+
+/* ----------------------------------------------------------------- */
+
 EXPORT_SYMBOL(v4l2_video_std_construct);
 
 EXPORT_SYMBOL(v4l2_prio_init);
@@ -929,6 +1447,13 @@ EXPORT_SYMBOL(v4l2_type_names);
 EXPORT_SYMBOL(v4l_printk_ioctl);
 EXPORT_SYMBOL(v4l_printk_ioctl_arg);
 
+EXPORT_SYMBOL(v4l2_ctrl_next);
+EXPORT_SYMBOL(v4l2_ctrl_check);
+EXPORT_SYMBOL(v4l2_ctrl_get_menu);
+EXPORT_SYMBOL(v4l2_ctrl_query_menu);
+EXPORT_SYMBOL(v4l2_ctrl_query_fill);
+EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
+
 /*
  * Local variables:
  * c-basic-offset: 8