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path: root/drivers/media/video/saa7134/saa7134-tvaudio.c
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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-tvaudio.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-tvaudio.c121
1 files changed, 55 insertions, 66 deletions
diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c
index 3617e7f7a410..eeafa5a71d2b 100644
--- a/drivers/media/video/saa7134/saa7134-tvaudio.c
+++ b/drivers/media/video/saa7134/saa7134-tvaudio.c
@@ -1,5 +1,5 @@
/*
- * $Id: saa7134-tvaudio.c,v 1.25 2005/06/07 19:00:38 nsh Exp $
+ * $Id: saa7134-tvaudio.c,v 1.30 2005/06/28 23:41:47 mkrufky Exp $
*
* device driver for philips saa7134 based TV cards
* tv audio decoder (fm stereo, nicam, ...)
@@ -169,7 +169,7 @@ 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;
+ clock = audio_clock_override;
/* init all audio registers */
saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00);
@@ -219,14 +219,17 @@ static void mute_input_7134(struct saa7134_dev *dev)
in = dev->input;
mute = (dev->ctl_mute ||
(dev->automute && (&card(dev).radio) != in));
- if (PCI_DEVICE_ID_PHILIPS_SAA7130 == dev->pci->device &&
- card(dev).mute.name) {
- /* 7130 - we'll mute using some unconnected audio input */
+ if (card(dev).mute.name) {
+ /*
+ * 7130 - we'll mute using some unconnected audio input
+ * 7134 - we'll probably should switch external mux with gpio
+ */
if (mute)
in = &card(dev).mute;
}
+
if (dev->hw_mute == mute &&
- dev->hw_input == in) {
+ dev->hw_input == in) {
dprintk("mute/input: nothing to do [mute=%d,input=%s]\n",
mute,in->name);
return;
@@ -260,6 +263,7 @@ static void mute_input_7134(struct saa7134_dev *dev)
/* switch gpio-connected external audio mux */
if (0 == card(dev).gpiomask)
return;
+
mask = card(dev).gpiomask;
saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask);
saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio);
@@ -339,13 +343,8 @@ static int tvaudio_sleep(struct saa7134_dev *dev, int timeout)
set_current_state(TASK_INTERRUPTIBLE);
schedule();
} else {
-#if 0
- /* hmm, that one doesn't return on wakeup ... */
- msleep_interruptible(timeout);
-#else
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(msecs_to_jiffies(timeout));
-#endif
}
}
remove_wait_queue(&dev->thread.wq, &wait);
@@ -400,27 +399,10 @@ static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan)
return value;
}
-#if 0
-static void sifdebug_dump_regs(struct saa7134_dev *dev)
-{
- print_regb(AUDIO_STATUS);
- print_regb(IDENT_SIF);
- print_regb(LEVEL_READOUT1);
- print_regb(LEVEL_READOUT2);
- print_regb(DCXO_IDENT_CTRL);
- print_regb(DEMODULATOR);
- print_regb(AGC_GAIN_SELECT);
- print_regb(MONITOR_SELECT);
- print_regb(FM_DEEMPHASIS);
- print_regb(FM_DEMATRIX);
- print_regb(SIF_SAMPLE_FREQ);
- print_regb(ANALOG_IO_SELECT);
-}
-#endif
static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio)
{
- __u32 idp,nicam;
+ __u32 idp, nicam, nicam_status;
int retval = -1;
switch (audio->mode) {
@@ -442,18 +424,24 @@ static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *au
break;
case TVAUDIO_NICAM_FM:
case TVAUDIO_NICAM_AM:
- nicam = saa_readb(SAA7134_NICAM_STATUS);
+ nicam = saa_readb(SAA7134_AUDIO_STATUS);
dprintk("getstereo: nicam=0x%x\n",nicam);
- switch (nicam & 0x0b) {
- case 0x08:
- retval = V4L2_TUNER_SUB_MONO;
- break;
- case 0x09:
- retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
- break;
- case 0x0a:
- retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
- break;
+ if (nicam & 0x1) {
+ nicam_status = saa_readb(SAA7134_NICAM_STATUS);
+ dprintk("getstereo: nicam_status=0x%x\n", nicam_status);
+
+ switch (nicam_status & 0x03) {
+ case 0x01:
+ retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
+ break;
+ case 0x02:
+ retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
+ break;
+ default:
+ retval = V4L2_TUNER_SUB_MONO;
+ }
+ } else {
+ /* No nicam detected */
}
break;
}
@@ -489,15 +477,15 @@ static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *au
break;
case TVAUDIO_FM_K_STEREO:
case TVAUDIO_FM_BG_STEREO:
+ case TVAUDIO_NICAM_AM:
+ case TVAUDIO_NICAM_FM:
dprintk("setstereo [fm] => %s\n",
name[ mode % ARRAY_SIZE(name) ]);
reg = fm[ mode % ARRAY_SIZE(fm) ];
saa_writeb(SAA7134_FM_DEMATRIX, reg);
break;
case TVAUDIO_FM_SAT_STEREO:
- case TVAUDIO_NICAM_AM:
- case TVAUDIO_NICAM_FM:
- /* FIXME */
+ /* Not implemented */
break;
}
return 0;
@@ -596,7 +584,7 @@ static int tvaudio_thread(void *data)
/* find the exact tv audio norm */
for (audio = UNSET, i = 0; i < TVAUDIO; i++) {
if (dev->tvnorm->id != UNSET &&
- !(dev->tvnorm->id & tvaudio[i].std))
+ !(dev->tvnorm->id & tvaudio[i].std))
continue;
if (tvaudio[i].carr1 != carrier)
continue;
@@ -703,24 +691,6 @@ static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit)
return 0;
}
-#if 0
-static int saa_dsp_readl(struct saa7134_dev *dev, int reg, u32 *value)
-{
- int err;
-
- d2printk("dsp read reg 0x%x\n", reg<<2);
- saa_readl(reg);
- err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_RDB);
- if (err < 0)
- return err;
- *value = saa_readl(reg);
- d2printk("dsp read => 0x%06x\n", *value & 0xffffff);
- err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_IDA);
- if (err < 0)
- return err;
- return 0;
-}
-#endif
int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value)
{
@@ -753,31 +723,50 @@ static int getstereo_7133(struct saa7134_dev *dev)
static int mute_input_7133(struct saa7134_dev *dev)
{
u32 reg = 0;
+ u32 xbarin, xbarout;
int mask;
+ struct saa7134_input *in;
+ /* Hac 0506 route OSS sound simultanously */
+ xbarin = 0x03;
switch (dev->input->amux) {
case TV:
reg = 0x02;
+ xbarin = 0;
break;
case LINE1:
reg = 0x00;
break;
case LINE2:
case LINE2_LEFT:
- reg = 0x01;
+ reg = 0x09;
break;
}
- if (dev->ctl_mute)
+ saa_dsp_writel(dev, 0x464 >> 2, xbarin);
+ if (dev->ctl_mute) {
reg = 0x07;
+ xbarout = 0xbbbbbb;
+ } else
+ xbarout = 0xbbbb10;
+ saa_dsp_writel(dev, 0x46c >> 2, xbarout);
+
saa_writel(0x594 >> 2, reg);
+
/* switch gpio-connected external audio mux */
if (0 != card(dev).gpiomask) {
mask = card(dev).gpiomask;
+
+ if (card(dev).mute.name && dev->ctl_mute)
+ in = &card(dev).mute;
+ else
+ in = dev->input;
+
saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask);
- saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, dev->input->gpio);
- saa7134_track_gpio(dev,dev->input->name);
+ saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio);
+ saa7134_track_gpio(dev,in->name);
}
+
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.