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V4L/DVB (6670): V4L: saa7134: tvaudio cleanups 

move some tv-audio initialization code out of tvaudio thread,
and call it on resume too.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Maxim Levitsky 2007-10-23 00:58:59 -03:00 committed by Mauro Carvalho Chehab
parent 5c01203fd2
commit f36224d399
3 changed files with 41 additions and 40 deletions
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1
drivers/media/video/saa7134/saa7134-core.c
View File

@ -1235,6 +1235,7 @@ static int saa7134_resume(struct pci_dev *pci_dev)
saa7134_set_tvnorm_hw(dev);
saa7134_tvaudio_setmute(dev);
saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
saa7134_tvaudio_init(dev);
saa7134_tvaudio_do_scan(dev);
saa7134_enable_i2s(dev);
saa7134_hw_enable2(dev);

79
drivers/media/video/saa7134/saa7134-tvaudio.c
View File

@ -163,32 +163,6 @@ static struct saa7134_tvaudio tvaudio[] = {
/* ------------------------------------------------------------------ */
static void tvaudio_init(struct saa7134_dev *dev)
{
int clock = saa7134_boards[dev->board].audio_clock;
if (UNSET != audio_clock_override)
clock = audio_clock_override;
/* init all audio registers */
saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00);
if (need_resched())
schedule();
else
udelay(10);
saa_writeb(SAA7134_AUDIO_CLOCK0, clock & 0xff);
saa_writeb(SAA7134_AUDIO_CLOCK1, (clock >> 8) & 0xff);
saa_writeb(SAA7134_AUDIO_CLOCK2, (clock >> 16) & 0xff);
/* frame locked audio is mandatory for NICAM */
saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01);
saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14);
saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50);
saa_writeb(SAA7134_MONITOR_SELECT, 0xa0);
saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
}
static u32 tvaudio_carr2reg(u32 carrier)
{
u64 a = carrier;
@ -517,9 +491,13 @@ static int tvaudio_thread(void *data)
dev->thread.scan1 = dev->thread.scan2;
dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
dev->tvaudio = NULL;
tvaudio_init(dev);
saa_writeb(SAA7134_MONITOR_SELECT, 0xa0);
saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
if (dev->ctl_automute)
dev->automute = 1;
mute_input_7134(dev);
/* give the tuner some time */
@ -784,27 +762,15 @@ static int mute_input_7133(struct saa7134_dev *dev)
static int tvaudio_thread_ddep(void *data)
{
struct saa7134_dev *dev = data;
u32 value, norms, clock;
u32 value, norms;
set_freezable();
clock = saa7134_boards[dev->board].audio_clock;
if (UNSET != audio_clock_override)
clock = audio_clock_override;
saa_writel(0x598 >> 2, clock);
/* unmute */
saa_dsp_writel(dev, 0x474 >> 2, 0x00);
saa_dsp_writel(dev, 0x450 >> 2, 0x00);
for (;;) {
tvaudio_sleep(dev,-1);
if (kthread_should_stop())
goto done;
restart:
try_to_freeze();
dev->thread.scan1 = dev->thread.scan2;
@ -978,6 +944,38 @@ int saa7134_tvaudio_getstereo(struct saa7134_dev *dev)
return retval;
}
void saa7134_tvaudio_init(struct saa7134_dev *dev)
{
int clock = saa7134_boards[dev->board].audio_clock;
if (UNSET != audio_clock_override)
clock = audio_clock_override;
switch (dev->pci->device) {
case PCI_DEVICE_ID_PHILIPS_SAA7134:
/* init all audio registers */
saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00);
if (need_resched())
schedule();
else
udelay(10);
saa_writeb(SAA7134_AUDIO_CLOCK0, clock & 0xff);
saa_writeb(SAA7134_AUDIO_CLOCK1, (clock >> 8) & 0xff);
saa_writeb(SAA7134_AUDIO_CLOCK2, (clock >> 16) & 0xff);
/* frame locked audio is mandatory for NICAM */
saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01);
saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14);
saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50);
break;
case PCI_DEVICE_ID_PHILIPS_SAA7133:
case PCI_DEVICE_ID_PHILIPS_SAA7135:
saa_writel(0x598 >> 2, clock);
saa_dsp_writel(dev, 0x474 >> 2, 0x00);
saa_dsp_writel(dev, 0x450 >> 2, 0x00);
}
}
int saa7134_tvaudio_init2(struct saa7134_dev *dev)
{
int (*my_thread)(void *data) = NULL;
@ -994,6 +992,7 @@ int saa7134_tvaudio_init2(struct saa7134_dev *dev)
dev->thread.thread = NULL;
if (my_thread) {
saa7134_tvaudio_init(dev);
/* start tvaudio thread */
dev->thread.thread = kthread_run(my_thread, dev, "%s", dev->name);
if (IS_ERR(dev->thread.thread)) {

1
drivers/media/video/saa7134/saa7134.h
View File

@ -678,6 +678,7 @@ void saa7134_tvaudio_setinput(struct saa7134_dev *dev,
void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level);
int saa7134_tvaudio_getstereo(struct saa7134_dev *dev);
void saa7134_tvaudio_init(struct saa7134_dev *dev);
int saa7134_tvaudio_init2(struct saa7134_dev *dev);
int saa7134_tvaudio_fini(struct saa7134_dev *dev);
int saa7134_tvaudio_do_scan(struct saa7134_dev *dev);