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path: root/drivers/media/video/mxb.c
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Diffstat (limited to 'drivers/media/video/mxb.c')
-rw-r--r--drivers/media/video/mxb.c115
1 files changed, 45 insertions, 70 deletions
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c
index a547c85b4ca..3be5a71bdac 100644
--- a/drivers/media/video/mxb.c
+++ b/drivers/media/video/mxb.c
@@ -83,9 +83,14 @@ static struct {
static int video_audio_connect[MXB_INPUTS] =
{ 0, 1, 3, 3 };
+struct mxb_routing {
+ u32 input;
+ u32 output;
+};
+
/* These are the necessary input-output-pins for bringing one audio source
(see above) to the CD-output. Note that gain is set to 0 in this table. */
-static struct v4l2_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
+static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
{ { 1, 1 }, { 1, 1 } }, /* Tuner */
{ { 5, 1 }, { 6, 1 } }, /* AUX 1 */
{ { 4, 1 }, { 6, 1 } }, /* AUX 2 */
@@ -97,7 +102,7 @@ static struct v4l2_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
/* These are the necessary input-output-pins for bringing one audio source
(see above) to the line-output. Note that gain is set to 0 in this table. */
-static struct v4l2_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
+static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
{ { 2, 3 }, { 1, 2 } },
{ { 5, 3 }, { 6, 2 } },
{ { 4, 3 }, { 6, 2 } },
@@ -134,10 +139,6 @@ struct mxb
#define saa7111a_call(mxb, o, f, args...) \
v4l2_subdev_call(mxb->saa7111a, o, f, ##args)
-#define tea6420_1_call(mxb, o, f, args...) \
- v4l2_subdev_call(mxb->tea6420_1, o, f, ##args)
-#define tea6420_2_call(mxb, o, f, args...) \
- v4l2_subdev_call(mxb->tea6420_2, o, f, ##args)
#define tda9840_call(mxb, o, f, args...) \
v4l2_subdev_call(mxb->tda9840, o, f, ##args)
#define tea6415c_call(mxb, o, f, args...) \
@@ -147,6 +148,22 @@ struct mxb
#define call_all(dev, o, f, args...) \
v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
+static inline void tea6420_route_cd(struct mxb *mxb, int idx)
+{
+ v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
+ TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0);
+ v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
+ TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0);
+}
+
+static inline void tea6420_route_line(struct mxb *mxb, int idx)
+{
+ v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
+ TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0);
+ v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
+ TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0);
+}
+
static struct saa7146_extension extension;
static int mxb_probe(struct saa7146_dev *dev)
@@ -268,7 +285,6 @@ static int mxb_init_done(struct saa7146_dev* dev)
struct i2c_msg msg;
struct tuner_setup tun_setup;
v4l2_std_id std = V4L2_STD_PAL_BG;
- struct v4l2_routing route;
int i = 0, err = 0;
@@ -277,9 +293,8 @@ static int mxb_init_done(struct saa7146_dev* dev)
/* select tuner-output on saa7111a */
i = 0;
- route.input = SAA7115_COMPOSITE0;
- route.output = SAA7111_FMT_CCIR | SAA7111_VBI_BYPASS;
- saa7111a_call(mxb, video, s_routing, &route);
+ saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0,
+ SAA7111_FMT_CCIR | SAA7111_VBI_BYPASS, 0);
/* select a tuner type */
tun_setup.mode_mask = T_ANALOG_TV;
@@ -296,20 +311,14 @@ static int mxb_init_done(struct saa7146_dev* dev)
tuner_call(mxb, core, s_std, std);
/* mute audio on tea6420s */
- tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[6][0]);
- tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[6][1]);
- tea6420_1_call(mxb, audio, s_routing, &TEA6420_cd[6][0]);
- tea6420_2_call(mxb, audio, s_routing, &TEA6420_cd[6][1]);
+ tea6420_route_line(mxb, 6);
+ tea6420_route_cd(mxb, 6);
/* switch to tuner-channel on tea6415c */
- route.input = 3;
- route.output = 17;
- tea6415c_call(mxb, video, s_routing, &route);
+ tea6415c_call(mxb, video, s_routing, 3, 17, 0);
/* select tuner-output on multicable on tea6415c */
- route.input = 3;
- route.output = 13;
- tea6415c_call(mxb, video, s_routing, &route);
+ tea6415c_call(mxb, video, s_routing, 3, 13, 0);
/* the rest for mxb */
mxb->cur_input = 0;
@@ -433,18 +442,9 @@ static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
if (vc->id == V4L2_CID_AUDIO_MUTE) {
mxb->cur_mute = vc->value;
- if (!vc->value) {
- /* switch the audio-source */
- tea6420_1_call(mxb, audio, s_routing,
- &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
- tea6420_2_call(mxb, audio, s_routing,
- &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
- } else {
- tea6420_1_call(mxb, audio, s_routing,
- &TEA6420_line[6][0]);
- tea6420_2_call(mxb, audio, s_routing,
- &TEA6420_line[6][1]);
- }
+ /* switch the audio-source */
+ tea6420_route_line(mxb, vc->value ? 6 :
+ video_audio_connect[mxb->cur_input]);
DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n", vc->value));
}
return 0;
@@ -473,7 +473,7 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
- struct v4l2_routing route;
+ int err = 0;
int i = 0;
DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
@@ -491,16 +491,12 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
switch (input) {
case TUNER:
i = SAA7115_COMPOSITE0;
- route.input = 3;
- route.output = 17;
- if (tea6415c_call(mxb, video, s_routing, &route)) {
- printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #1\n");
- return -EFAULT;
- }
+ err = tea6415c_call(mxb, video, s_routing, 3, 17, 0);
+
/* connect tuner-output always to multicable */
- route.input = 3;
- route.output = 13;
+ if (!err)
+ err = tea6415c_call(mxb, video, s_routing, 3, 13, 0);
break;
case AUX3_YC:
/* nothing to be done here. aux3_yc is
@@ -514,37 +510,20 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
break;
case AUX1:
i = SAA7115_COMPOSITE0;
- route.input = 1;
- route.output = 17;
+ err = tea6415c_call(mxb, video, s_routing, 1, 17, 0);
break;
}
- /* switch video in tea6415c only if necessary */
- switch (input) {
- case TUNER:
- case AUX1:
- if (tea6415c_call(mxb, video, s_routing, &route)) {
- printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #3\n");
- return -EFAULT;
- }
- break;
- default:
- break;
- }
+ if (err)
+ return err;
/* switch video in saa7111a */
- route.input = i;
- route.output = 0;
- if (saa7111a_call(mxb, video, s_routing, &route))
+ if (saa7111a_call(mxb, video, s_routing, i, 0, 0))
printk(KERN_ERR "VIDIOC_S_INPUT: could not address saa7111a #1.\n");
/* switch the audio-source only if necessary */
- if (0 == mxb->cur_mute) {
- tea6420_1_call(mxb, audio, s_routing,
- &TEA6420_line[video_audio_connect[input]][0]);
- tea6420_2_call(mxb, audio, s_routing,
- &TEA6420_line[video_audio_connect[input]][1]);
- }
+ if (0 == mxb->cur_mute)
+ tea6420_route_line(mxb, video_audio_connect[input]);
return 0;
}
@@ -686,9 +665,7 @@ static long vidioc_default(struct file *file, void *fh, int cmd, void *arg)
DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n", i));
- tea6420_1_call(mxb, audio, s_routing, &TEA6420_cd[i][0]);
- tea6420_2_call(mxb, audio, s_routing, &TEA6420_cd[i][1]);
-
+ tea6420_route_cd(mxb, i);
return 0;
}
case MXB_S_AUDIO_LINE:
@@ -701,9 +678,7 @@ static long vidioc_default(struct file *file, void *fh, int cmd, void *arg)
}
DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n", i));
- tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[i][0]);
- tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[i][1]);
-
+ tea6420_route_line(mxb, i);
return 0;
}
default:
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-30 20:11:29 +0000