diff options
| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-23 05:58:59 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-23 05:58:59 +0200 |
| commit | 214aa58546d723899ff1abb877f18af62da7b405 (patch) | |
| tree | 422deb17fdc8e79e66aff5f8ba555599be56639d /linux/drivers/media/video/saa7134/saa7134-tvaudio.c | |
| parent | b777f329aa200fd184118da10cacc7800a3a522f (diff) | |
| download | mediapointer-dvb-s2-214aa58546d723899ff1abb877f18af62da7b405.tar.gz mediapointer-dvb-s2-214aa58546d723899ff1abb877f18af62da7b405.tar.bz2 | |
V4L: saa7134: tvaudio cleanups
From: Maxim Levitsky <maximlevitsky@gmail.com>
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>
Diffstat (limited to 'linux/drivers/media/video/saa7134/saa7134-tvaudio.c')
| -rw-r--r-- | linux/drivers/media/video/saa7134/saa7134-tvaudio.c | 79 |
1 files changed, 39 insertions, 40 deletions
diff --git a/linux/drivers/media/video/saa7134/saa7134-tvaudio.c b/linux/drivers/media/video/saa7134/saa7134-tvaudio.c index 5832d552f..3ec368172 100644 --- a/linux/drivers/media/video/saa7134/saa7134-tvaudio.c +++ b/linux/drivers/media/video/saa7134/saa7134-tvaudio.c @@ -165,32 +165,6 @@ 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; @@ -545,9 +519,13 @@ 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 */ @@ -830,7 +808,7 @@ 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; #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,61) lock_kernel(); @@ -843,23 +821,11 @@ static int tvaudio_thread_ddep(void *data) #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 23) set_freezable(); #endif - - 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; @@ -1033,6 +999,38 @@ 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; @@ -1049,6 +1047,7 @@ 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)) { |