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path: root/drivers/media/video/saa7134/saa6752hs.c
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Diffstat (limited to 'drivers/media/video/saa7134/saa6752hs.c')
-rw-r--r--drivers/media/video/saa7134/saa6752hs.c105
1 files changed, 103 insertions, 2 deletions
diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c
index 002e70a33a4..707be175509 100644
--- a/drivers/media/video/saa7134/saa6752hs.c
+++ b/drivers/media/video/saa7134/saa6752hs.c
@@ -13,7 +13,6 @@
#include <linux/init.h>
#include <linux/crc32.h>
-
#define MPEG_VIDEO_TARGET_BITRATE_MAX 27000
#define MPEG_VIDEO_MAX_BITRATE_MAX 27000
#define MPEG_TOTAL_TARGET_BITRATE_MAX 27000
@@ -21,6 +20,7 @@
/* Addresses to scan */
static unsigned short normal_i2c[] = {0x20, I2C_CLIENT_END};
+
I2C_CLIENT_INSMOD;
MODULE_DESCRIPTION("device driver for saa6752hs MPEG2 encoder");
@@ -448,6 +448,104 @@ static int handle_ctrl(struct saa6752hs_mpeg_params *params,
return 0;
}
+static int saa6752hs_qctrl(struct saa6752hs_mpeg_params *params,
+ struct v4l2_queryctrl *qctrl)
+{
+ int err;
+
+ switch (qctrl->id) {
+ case V4L2_CID_MPEG_AUDIO_ENCODING:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
+ V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 1,
+ V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
+
+ case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_L2_BITRATE_256K,
+ V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
+ V4L2_MPEG_AUDIO_L2_BITRATE_256K);
+
+ case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
+ V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000, 1,
+ V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
+
+ case V4L2_CID_MPEG_VIDEO_ENCODING:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_VIDEO_ENCODING_MPEG_2,
+ 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_4x3,
+ V4L2_MPEG_VIDEO_ASPECT_16x9, 1,
+ V4L2_MPEG_VIDEO_ASPECT_4x3);
+
+ case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
+ err = v4l2_ctrl_query_fill_std(qctrl);
+ if (err == 0 &&
+ params->vi_bitrate_mode ==
+ V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
+ qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
+ return err;
+
+ case V4L2_CID_MPEG_STREAM_TYPE:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_STREAM_TYPE_MPEG2_TS,
+ V4L2_MPEG_STREAM_TYPE_MPEG2_TS, 1,
+ V4L2_MPEG_STREAM_TYPE_MPEG2_TS);
+
+ case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+ case V4L2_CID_MPEG_VIDEO_BITRATE:
+ case V4L2_CID_MPEG_STREAM_PID_PMT:
+ case V4L2_CID_MPEG_STREAM_PID_AUDIO:
+ case V4L2_CID_MPEG_STREAM_PID_VIDEO:
+ case V4L2_CID_MPEG_STREAM_PID_PCR:
+ return v4l2_ctrl_query_fill_std(qctrl);
+
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+static int saa6752hs_qmenu(struct saa6752hs_mpeg_params *params,
+ struct v4l2_querymenu *qmenu)
+{
+ static const char *mpeg_audio_l2_bitrate[] = {
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "256 kbps",
+ "",
+ "384 kbps",
+ NULL
+ };
+ struct v4l2_queryctrl qctrl;
+ int err;
+
+ qctrl.id = qmenu->id;
+ err = saa6752hs_qctrl(params, &qctrl);
+ if (err)
+ return err;
+ if (qmenu->id == V4L2_CID_MPEG_AUDIO_L2_BITRATE)
+ return v4l2_ctrl_query_menu(qmenu, &qctrl,
+ mpeg_audio_l2_bitrate);
+ return v4l2_ctrl_query_menu(qmenu, &qctrl,
+ v4l2_ctrl_get_menu(qmenu->id));
+}
+
static int saa6752hs_init(struct i2c_client* client)
{
unsigned char buf[9], buf2[4];
@@ -609,7 +707,6 @@ static int saa6752hs_attach(struct i2c_adapter *adap, int addr, int kind)
i2c_attach_client(&h->client);
v4l_info(&h->client,"saa6752hs: chip found @ 0x%x\n", addr<<1);
-
return 0;
}
@@ -662,6 +759,10 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg)
}
h->params = params;
break;
+ case VIDIOC_QUERYCTRL:
+ return saa6752hs_qctrl(&h->params, arg);
+ case VIDIOC_QUERYMENU:
+ return saa6752hs_qmenu(&h->params, arg);
case VIDIOC_G_FMT:
{
struct v4l2_format *f = arg;