/*
- * $Id: saa7134-tvaudio.c,v 1.22 2005/01/07 13:11:19 kraxel Exp $
*
* device driver for philips saa7134 based TV cards
* tv audio decoder (fm stereo, nicam, ...)
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/kernel.h>
-#include <linux/slab.h>
+#include <linux/kthread.h>
#include <linux/delay.h>
-#include <linux/smp_lock.h>
+#include <linux/freezer.h>
#include <asm/div64.h>
#include "saa7134-reg.h"
/* ------------------------------------------------------------------ */
-static unsigned int audio_debug = 0;
+static unsigned int audio_debug;
module_param(audio_debug, int, 0644);
MODULE_PARM_DESC(audio_debug,"enable debug messages [tv audio]");
-static unsigned int audio_ddep = 0;
+static unsigned int audio_ddep;
module_param(audio_ddep, int, 0644);
MODULE_PARM_DESC(audio_ddep,"audio ddep overwrite");
static int audio_clock_override = UNSET;
module_param(audio_clock_override, int, 0644);
-static int audio_clock_tweak = 0;
+static int audio_clock_tweak;
module_param(audio_clock_tweak, int, 0644);
MODULE_PARM_DESC(audio_clock_tweak, "Audio clock tick fine tuning for cards with audio crystal that's slightly off (range [-1024 .. 1024])");
int carr;
} mainscan[] = {
{
- .name = "M",
- .std = V4L2_STD_NTSC | V4L2_STD_PAL_M,
+ .name = "MN",
+ .std = V4L2_STD_MN,
.carr = 4500,
},{
- .name = "BG",
- .std = V4L2_STD_PAL_BG,
+ .name = "BGH",
+ .std = V4L2_STD_B | V4L2_STD_GH,
.carr = 5500,
},{
.name = "I",
.carr = 6000,
},{
.name = "DKL",
- .std = V4L2_STD_PAL_DK | V4L2_STD_SECAM,
+ .std = V4L2_STD_DK | V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC,
.carr = 6500,
}
};
static struct saa7134_tvaudio tvaudio[] = {
{
.name = "PAL-B/G FM-stereo",
- .std = V4L2_STD_PAL,
+ .std = V4L2_STD_PAL_BG,
.mode = TVAUDIO_FM_BG_STEREO,
.carr1 = 5500,
.carr2 = 5742,
},{
.name = "PAL-D/K1 FM-stereo",
- .std = V4L2_STD_PAL,
+ .std = V4L2_STD_PAL_DK,
.carr1 = 6500,
.carr2 = 6258,
.mode = TVAUDIO_FM_BG_STEREO,
},{
.name = "PAL-D/K2 FM-stereo",
- .std = V4L2_STD_PAL,
+ .std = V4L2_STD_PAL_DK,
.carr1 = 6500,
.carr2 = 6742,
.mode = TVAUDIO_FM_BG_STEREO,
},{
.name = "PAL-D/K3 FM-stereo",
- .std = V4L2_STD_PAL,
+ .std = V4L2_STD_PAL_DK,
.carr1 = 6500,
.carr2 = 5742,
.mode = TVAUDIO_FM_BG_STEREO,
},{
.name = "PAL-B/G NICAM",
- .std = V4L2_STD_PAL,
+ .std = V4L2_STD_PAL_BG,
.carr1 = 5500,
.carr2 = 5850,
.mode = TVAUDIO_NICAM_FM,
},{
.name = "PAL-I NICAM",
- .std = V4L2_STD_PAL,
+ .std = V4L2_STD_PAL_I,
.carr1 = 6000,
.carr2 = 6552,
.mode = TVAUDIO_NICAM_FM,
},{
.name = "PAL-D/K NICAM",
- .std = V4L2_STD_PAL,
+ .std = V4L2_STD_PAL_DK,
.carr1 = 6500,
.carr2 = 5850,
.mode = TVAUDIO_NICAM_FM,
},{
.name = "SECAM-L NICAM",
- .std = V4L2_STD_SECAM,
+ .std = V4L2_STD_SECAM_L,
.carr1 = 6500,
.carr2 = 5850,
.mode = TVAUDIO_NICAM_AM,
},{
- .name = "SECAM-D/K",
- .std = V4L2_STD_SECAM,
+ .name = "SECAM-D/K NICAM",
+ .std = V4L2_STD_SECAM_DK,
.carr1 = 6500,
- .carr2 = -1,
- .mode = TVAUDIO_FM_MONO,
- },{
- .name = "NTSC-M",
- .std = V4L2_STD_NTSC,
- .carr1 = 4500,
- .carr2 = -1,
- .mode = TVAUDIO_FM_MONO,
+ .carr2 = 5850,
+ .mode = TVAUDIO_NICAM_FM,
},{
.name = "NTSC-A2 FM-stereo",
.std = V4L2_STD_NTSC,
.carr1 = 4500,
.carr2 = 4724,
.mode = TVAUDIO_FM_K_STEREO,
+ },{
+ .name = "NTSC-M",
+ .std = V4L2_STD_NTSC,
+ .carr1 = 4500,
+ .carr2 = -1,
+ .mode = TVAUDIO_FM_MONO,
}
};
-#define TVAUDIO (sizeof(tvaudio)/sizeof(struct saa7134_tvaudio))
+#define TVAUDIO ARRAY_SIZE(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);
- 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;
saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary));
}
+#define SAA7134_MUTE_MASK 0xbb
+#define SAA7134_MUTE_ANALOG 0x04
+#define SAA7134_MUTE_I2S 0x40
+
static void mute_input_7134(struct saa7134_dev *dev)
{
unsigned int mute;
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 && !dev->insuspend) {
dprintk("mute/input: nothing to do [mute=%d,input=%s]\n",
mute,in->name);
return;
if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device)
/* 7134 mute */
- saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ? 0xbf : 0xbb);
+ saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ?
+ SAA7134_MUTE_MASK |
+ SAA7134_MUTE_ANALOG |
+ SAA7134_MUTE_I2S :
+ SAA7134_MUTE_MASK);
/* switch internal audio mux */
switch (in->amux) {
saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel);
saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics);
saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs);
+ // for oss, we need to change the clock configuration
+ if (in->amux == TV)
+ saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00);
+ else
+ saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x01);
/* 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);
static int tvaudio_sleep(struct saa7134_dev *dev, int timeout)
{
- DECLARE_WAITQUEUE(wait, current);
-
- add_wait_queue(&dev->thread.wq, &wait);
- if (dev->thread.scan1 == dev->thread.scan2 && !dev->thread.shutdown) {
+ if (dev->thread.scan1 == dev->thread.scan2 &&
+ !kthread_should_stop()) {
if (timeout < 0) {
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
+ schedule_timeout_interruptible
+ (msecs_to_jiffies(timeout));
}
}
- remove_wait_queue(&dev->thread.wq, &wait);
return dev->thread.scan1 != dev->thread.scan2;
}
}
printk("\n");
}
-
if (dev->tvnorm->id & scan->std) {
tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90);
saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
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) {
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 0x09:
- retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
- break;
- case 0x0a:
- retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
- break;
- case 0x08:
- default:
- retval = V4L2_TUNER_SUB_MONO;
- 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;
}
[ V4L2_TUNER_MODE_STEREO ] = "stereo",
[ V4L2_TUNER_MODE_LANG1 ] = "lang1",
[ V4L2_TUNER_MODE_LANG2 ] = "lang2",
+ [ V4L2_TUNER_MODE_LANG1_LANG2 ] = "lang1+lang2",
};
static u32 fm[] = {
[ V4L2_TUNER_MODE_MONO ] = 0x00, /* ch1 */
[ V4L2_TUNER_MODE_STEREO ] = 0x80, /* auto */
[ V4L2_TUNER_MODE_LANG1 ] = 0x00, /* ch1 */
[ V4L2_TUNER_MODE_LANG2 ] = 0x01, /* ch2 */
+ [ V4L2_TUNER_MODE_LANG1_LANG2 ] = 0x80, /* auto */
};
u32 reg;
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;
unsigned int i, audio, nscan;
int max1,max2,carrier,rx,mode,lastmode,default_carrier;
- daemonize("%s", dev->name);
- allow_signal(SIGTERM);
+ set_freezable();
+
for (;;) {
tvaudio_sleep(dev,-1);
- if (dev->thread.shutdown || signal_pending(current))
+ if (kthread_should_stop())
goto done;
restart:
+ try_to_freeze();
+
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 */
if (1 == nscan) {
/* only one candidate -- skip scan ;) */
+ dprintk("only one main carrier candidate - skipping scan\n");
max1 = 12345;
carrier = default_carrier;
} else {
} else if (0 != dev->last_carrier) {
/* no carrier -- try last detected one as fallback */
carrier = dev->last_carrier;
- printk(KERN_WARNING "%s/audio: audio carrier scan failed, "
+ dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, "
"using %d.%03d MHz [last detected]\n",
dev->name, carrier/1000, carrier%1000);
} else {
/* no carrier + no fallback -- use default */
carrier = default_carrier;
- printk(KERN_WARNING "%s/audio: audio carrier scan failed, "
+ dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, "
"using %d.%03d MHz [default]\n",
dev->name, carrier/1000, carrier%1000);
}
dev->automute = 0;
saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00);
saa7134_tvaudio_setmute(dev);
-
/* 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;
-
+ /* Note: at least the primary carrier is right here */
if (UNSET == audio)
audio = i;
tvaudio_setmode(dev,&tvaudio[i],"trying");
if (UNSET == audio)
continue;
tvaudio_setmode(dev,&tvaudio[audio],"using");
+
tvaudio_setstereo(dev,&tvaudio[audio],V4L2_TUNER_MODE_MONO);
dev->tvaudio = &tvaudio[audio];
lastmode = 42;
for (;;) {
+
+ try_to_freeze();
+
if (tvaudio_sleep(dev,5000))
goto restart;
- if (dev->thread.shutdown || signal_pending(current))
+ if (kthread_should_stop())
break;
if (UNSET == dev->thread.mode) {
rx = tvaudio_getstereo(dev,&tvaudio[i]);
}
done:
- complete_and_exit(&dev->thread.exit, 0);
+ dev->thread.stopped = 1;
return 0;
}
#define DSP_RETRY 32
#define DSP_DELAY 16
+#define SAA7135_DSP_RWCLEAR_RERR 1
+
+static inline int saa_dsp_reset_error_bit(struct saa7134_dev *dev)
+{
+ int state = saa_readb(SAA7135_DSP_RWSTATE);
+ if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) {
+ d2printk("%s: resetting error bit\n", dev->name);
+ saa_writeb(SAA7135_DSP_RWCLEAR, SAA7135_DSP_RWCLEAR_RERR);
+ }
+ return 0;
+}
static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit)
{
state = saa_readb(SAA7135_DSP_RWSTATE);
if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) {
- printk("%s: dsp access error\n",dev->name);
- /* FIXME: send ack ... */
+ printk(KERN_WARNING "%s: dsp access error\n", dev->name);
+ saa_dsp_reset_error_bit(dev);
return -EIO;
}
while (0 == (state & 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)
{
static int mute_input_7133(struct saa7134_dev *dev)
{
u32 reg = 0;
+ u32 xbarin, xbarout;
int mask;
+ struct saa7134_input *in;
+ 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;
- 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);
+ 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, in->gpio);
+ saa7134_track_gpio(dev,in->name);
}
+
return 0;
}
static int tvaudio_thread_ddep(void *data)
{
struct saa7134_dev *dev = data;
- u32 value, norms, clock;
-
- daemonize("%s", dev->name);
- allow_signal(SIGTERM);
-
- 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);
+ u32 value, norms;
+ set_freezable();
for (;;) {
tvaudio_sleep(dev,-1);
- if (dev->thread.shutdown || signal_pending(current))
+ if (kthread_should_stop())
goto done;
-
restart:
+ try_to_freeze();
+
dev->thread.scan1 = dev->thread.scan2;
dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
dprintk("ddep override: %s\n",stdres[audio_ddep]);
} else if (&card(dev).radio == dev->input) {
dprintk("FM Radio\n");
- norms = (0x0f << 2) | 0x01;
+ if (dev->tuner_type == TUNER_PHILIPS_TDA8290) {
+ norms = (0x11 << 2) | 0x01;
+ saa_dsp_writel(dev, 0x42c >> 2, 0x729555);
+ } else {
+ norms = (0x0f << 2) | 0x01;
+ }
} else {
/* (let chip) scan for sound carrier */
norms = 0;
- if (dev->tvnorm->id & V4L2_STD_PAL) {
- dprintk("PAL scan\n");
- norms |= 0x2c; /* B/G + D/K + I */
- }
- if (dev->tvnorm->id & V4L2_STD_NTSC) {
- dprintk("NTSC scan\n");
- norms |= 0x40; /* M */
- }
- if (dev->tvnorm->id & V4L2_STD_SECAM) {
- dprintk("SECAM scan\n");
- norms |= 0x18; /* L + D/K */
- }
+ if (dev->tvnorm->id & (V4L2_STD_B | V4L2_STD_GH))
+ norms |= 0x04;
+ if (dev->tvnorm->id & V4L2_STD_PAL_I)
+ norms |= 0x20;
+ if (dev->tvnorm->id & V4L2_STD_DK)
+ norms |= 0x08;
+ if (dev->tvnorm->id & V4L2_STD_MN)
+ norms |= 0x40;
+ if (dev->tvnorm->id & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC))
+ norms |= 0x10;
if (0 == norms)
norms = 0x7c; /* all */
dprintk("scanning:%s%s%s%s%s\n",
}
done:
- complete_and_exit(&dev->thread.exit, 0);
+ dev->thread.stopped = 1;
return 0;
}
/* ------------------------------------------------------------------ */
/* common stuff + external entry points */
-static void saa7134_enable_i2s(struct saa7134_dev *dev)
+void saa7134_enable_i2s(struct saa7134_dev *dev)
{
int i2s_format;
if (!card_is_empress(dev))
return;
- i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01;
- /* enable I2S audio output for the mpeg encoder */
- saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80);
- saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format);
- saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F);
- saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01);
+ if (dev->pci->device == PCI_DEVICE_ID_PHILIPS_SAA7130)
+ return;
+
+ /* configure GPIO for out */
+ saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x0E000000, 0x00000000);
+
+ switch (dev->pci->device) {
+ case PCI_DEVICE_ID_PHILIPS_SAA7133:
+ case PCI_DEVICE_ID_PHILIPS_SAA7135:
+ /* Set I2S format (SONY) */
+ saa_writeb(SAA7133_I2S_AUDIO_CONTROL, 0x00);
+ /* Start I2S */
+ saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x11);
+ break;
+
+ case PCI_DEVICE_ID_PHILIPS_SAA7134:
+ i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01;
+
+ /* enable I2S audio output for the mpeg encoder */
+ saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80);
+ saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format);
+ saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F);
+ saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01);
+
+ default:
+ break;
+ }
}
int saa7134_tvaudio_rx2mode(u32 rx)
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)
{
- DECLARE_MUTEX_LOCKED(sem);
int (*my_thread)(void *data) = NULL;
switch (dev->pci->device) {
break;
}
- dev->thread.pid = -1;
+ dev->thread.thread = NULL;
if (my_thread) {
+ saa7134_tvaudio_init(dev);
/* start tvaudio thread */
- init_waitqueue_head(&dev->thread.wq);
- init_completion(&dev->thread.exit);
- dev->thread.pid = kernel_thread(my_thread,dev,0);
- if (dev->thread.pid < 0)
+ dev->thread.thread = kthread_run(my_thread, dev, "%s", dev->name);
+ if (IS_ERR(dev->thread.thread)) {
printk(KERN_WARNING "%s: kernel_thread() failed\n",
dev->name);
+ /* XXX: missing error handling here */
+ }
saa7134_tvaudio_do_scan(dev);
}
int saa7134_tvaudio_fini(struct saa7134_dev *dev)
{
/* shutdown tvaudio thread */
- if (dev->thread.pid >= 0) {
- dev->thread.shutdown = 1;
- wake_up_interruptible(&dev->thread.wq);
- wait_for_completion(&dev->thread.exit);
- }
+ if (dev->thread.thread && !dev->thread.stopped)
+ kthread_stop(dev->thread.thread);
+
saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */
return 0;
}
int saa7134_tvaudio_do_scan(struct saa7134_dev *dev)
{
- if (dev->thread.pid >= 0) {
+ if (dev->input->amux != TV) {
+ dprintk("sound IF not in use, skipping scan\n");
+ dev->automute = 0;
+ saa7134_tvaudio_setmute(dev);
+ } else if (dev->thread.thread) {
dev->thread.mode = UNSET;
dev->thread.scan2++;
- wake_up_interruptible(&dev->thread.wq);
+
+ if (!dev->insuspend && !dev->thread.stopped)
+ wake_up_process(dev->thread.thread);
} else {
dev->automute = 0;
saa7134_tvaudio_setmute(dev);
return 0;
}
+EXPORT_SYMBOL(saa_dsp_writel);
+EXPORT_SYMBOL(saa7134_tvaudio_setmute);
+
/* ----------------------------------------------------------- */
/*
* Local variables:
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff