1032 lines
28 KiB
C
1032 lines
28 KiB
C
|
/*
|
||
|
|
* $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, ...)
|
||
|
|
*
|
||
|
|
* (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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/delay.h>
|
||
|
|
#include <linux/smp_lock.h>
|
||
|
|
#include <asm/div64.h>
|
||
|
|
|
||
|
|
#include "saa7134-reg.h"
|
||
|
|
#include "saa7134.h"
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------ */
|
||
|
|
|
||
|
|
static unsigned int audio_debug = 0;
|
||
|
|
module_param(audio_debug, int, 0644);
|
||
|
|
MODULE_PARM_DESC(audio_debug,"enable debug messages [tv audio]");
|
||
|
|
|
||
|
|
static unsigned int audio_ddep = 0;
|
||
|
|
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;
|
||
|
|
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])");
|
||
|
|
|
||
|
|
#define dprintk(fmt, arg...) if (audio_debug) \
|
||
|
|
printk(KERN_DEBUG "%s/audio: " fmt, dev->name , ## arg)
|
||
|
|
#define d2printk(fmt, arg...) if (audio_debug > 1) \
|
||
|
|
printk(KERN_DEBUG "%s/audio: " fmt, dev->name, ## arg)
|
||
|
|
|
||
|
|
#define print_regb(reg) printk("%s: reg 0x%03x [%-16s]: 0x%02x\n", \
|
||
|
|
dev->name,(SAA7134_##reg),(#reg),saa_readb((SAA7134_##reg)))
|
||
|
|
|
||
|
|
/* msecs */
|
||
|
|
#define SCAN_INITIAL_DELAY 1000
|
||
|
|
#define SCAN_SAMPLE_DELAY 200
|
||
|
|
#define SCAN_SUBCARRIER_DELAY 2000
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------ */
|
||
|
|
/* saa7134 code */
|
||
|
|
|
||
|
|
static struct mainscan {
|
||
|
|
char *name;
|
||
|
|
v4l2_std_id std;
|
||
|
|
int carr;
|
||
|
|
} mainscan[] = {
|
||
|
|
{
|
||
|
|
.name = "M",
|
||
|
|
.std = V4L2_STD_NTSC | V4L2_STD_PAL_M,
|
||
|
|
.carr = 4500,
|
||
|
|
},{
|
||
|
|
.name = "BG",
|
||
|
|
.std = V4L2_STD_PAL_BG,
|
||
|
|
.carr = 5500,
|
||
|
|
},{
|
||
|
|
.name = "I",
|
||
|
|
.std = V4L2_STD_PAL_I,
|
||
|
|
.carr = 6000,
|
||
|
|
},{
|
||
|
|
.name = "DKL",
|
||
|
|
.std = V4L2_STD_PAL_DK | V4L2_STD_SECAM,
|
||
|
|
.carr = 6500,
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct saa7134_tvaudio tvaudio[] = {
|
||
|
|
{
|
||
|
|
.name = "PAL-B/G FM-stereo",
|
||
|
|
.std = V4L2_STD_PAL,
|
||
|
|
.mode = TVAUDIO_FM_BG_STEREO,
|
||
|
|
.carr1 = 5500,
|
||
|
|
.carr2 = 5742,
|
||
|
|
},{
|
||
|
|
.name = "PAL-D/K1 FM-stereo",
|
||
|
|
.std = V4L2_STD_PAL,
|
||
|
|
.carr1 = 6500,
|
||
|
|
.carr2 = 6258,
|
||
|
|
.mode = TVAUDIO_FM_BG_STEREO,
|
||
|
|
},{
|
||
|
|
.name = "PAL-D/K2 FM-stereo",
|
||
|
|
.std = V4L2_STD_PAL,
|
||
|
|
.carr1 = 6500,
|
||
|
|
.carr2 = 6742,
|
||
|
|
.mode = TVAUDIO_FM_BG_STEREO,
|
||
|
|
},{
|
||
|
|
.name = "PAL-D/K3 FM-stereo",
|
||
|
|
.std = V4L2_STD_PAL,
|
||
|
|
.carr1 = 6500,
|
||
|
|
.carr2 = 5742,
|
||
|
|
.mode = TVAUDIO_FM_BG_STEREO,
|
||
|
|
},{
|
||
|
|
.name = "PAL-B/G NICAM",
|
||
|
|
.std = V4L2_STD_PAL,
|
||
|
|
.carr1 = 5500,
|
||
|
|
.carr2 = 5850,
|
||
|
|
.mode = TVAUDIO_NICAM_FM,
|
||
|
|
},{
|
||
|
|
.name = "PAL-I NICAM",
|
||
|
|
.std = V4L2_STD_PAL,
|
||
|
|
.carr1 = 6000,
|
||
|
|
.carr2 = 6552,
|
||
|
|
.mode = TVAUDIO_NICAM_FM,
|
||
|
|
},{
|
||
|
|
.name = "PAL-D/K NICAM",
|
||
|
|
.std = V4L2_STD_PAL,
|
||
|
|
.carr1 = 6500,
|
||
|
|
.carr2 = 5850,
|
||
|
|
.mode = TVAUDIO_NICAM_FM,
|
||
|
|
},{
|
||
|
|
.name = "SECAM-L NICAM",
|
||
|
|
.std = V4L2_STD_SECAM,
|
||
|
|
.carr1 = 6500,
|
||
|
|
.carr2 = 5850,
|
||
|
|
.mode = TVAUDIO_NICAM_AM,
|
||
|
|
},{
|
||
|
|
.name = "SECAM-D/K",
|
||
|
|
.std = V4L2_STD_SECAM,
|
||
|
|
.carr1 = 6500,
|
||
|
|
.carr2 = -1,
|
||
|
|
.mode = TVAUDIO_FM_MONO,
|
||
|
|
},{
|
||
|
|
.name = "NTSC-M",
|
||
|
|
.std = V4L2_STD_NTSC,
|
||
|
|
.carr1 = 4500,
|
||
|
|
.carr2 = -1,
|
||
|
|
.mode = TVAUDIO_FM_MONO,
|
||
|
|
},{
|
||
|
|
.name = "NTSC-A2 FM-stereo",
|
||
|
|
.std = V4L2_STD_NTSC,
|
||
|
|
.carr1 = 4500,
|
||
|
|
.carr2 = 4724,
|
||
|
|
.mode = TVAUDIO_FM_K_STEREO,
|
||
|
|
}
|
||
|
|
};
|
||
|
|
#define TVAUDIO (sizeof(tvaudio)/sizeof(struct saa7134_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;
|
||
|
|
|
||
|
|
a <<= 24;
|
||
|
|
do_div(a,12288);
|
||
|
|
return a;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void tvaudio_setcarrier(struct saa7134_dev *dev,
|
||
|
|
int primary, int secondary)
|
||
|
|
{
|
||
|
|
if (-1 == secondary)
|
||
|
|
secondary = primary;
|
||
|
|
saa_writel(SAA7134_CARRIER1_FREQ0 >> 2, tvaudio_carr2reg(primary));
|
||
|
|
saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary));
|
||
|
|
}
|
||
|
|
|
||
|
|
static void mute_input_7134(struct saa7134_dev *dev)
|
||
|
|
{
|
||
|
|
unsigned int mute;
|
||
|
|
struct saa7134_input *in;
|
||
|
|
int ausel=0, ics=0, ocs=0;
|
||
|
|
int mask;
|
||
|
|
|
||
|
|
/* look what is to do ... */
|
||
|
|
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 (mute)
|
||
|
|
in = &card(dev).mute;
|
||
|
|
}
|
||
|
|
if (dev->hw_mute == mute &&
|
||
|
|
dev->hw_input == in) {
|
||
|
|
dprintk("mute/input: nothing to do [mute=%d,input=%s]\n",
|
||
|
|
mute,in->name);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
dprintk("ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n",
|
||
|
|
dev->ctl_mute,dev->automute,dev->input->name,mute,in->name);
|
||
|
|
dev->hw_mute = mute;
|
||
|
|
dev->hw_input = in;
|
||
|
|
|
||
|
|
if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device)
|
||
|
|
/* 7134 mute */
|
||
|
|
saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ? 0xbf : 0xbb);
|
||
|
|
|
||
|
|
/* switch internal audio mux */
|
||
|
|
switch (in->amux) {
|
||
|
|
case TV: ausel=0xc0; ics=0x00; ocs=0x02; break;
|
||
|
|
case LINE1: ausel=0x80; ics=0x00; ocs=0x00; break;
|
||
|
|
case LINE2: ausel=0x80; ics=0x08; ocs=0x01; break;
|
||
|
|
case LINE2_LEFT: ausel=0x80; ics=0x08; ocs=0x05; break;
|
||
|
|
}
|
||
|
|
saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel);
|
||
|
|
saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics);
|
||
|
|
saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs);
|
||
|
|
|
||
|
|
/* 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);
|
||
|
|
saa7134_track_gpio(dev,in->name);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void tvaudio_setmode(struct saa7134_dev *dev,
|
||
|
|
struct saa7134_tvaudio *audio,
|
||
|
|
char *note)
|
||
|
|
{
|
||
|
|
int acpf, tweak = 0;
|
||
|
|
|
||
|
|
if (dev->tvnorm->id == V4L2_STD_NTSC) {
|
||
|
|
acpf = 0x19066;
|
||
|
|
} else {
|
||
|
|
acpf = 0x1e000;
|
||
|
|
}
|
||
|
|
if (audio_clock_tweak > -1024 && audio_clock_tweak < 1024)
|
||
|
|
tweak = audio_clock_tweak;
|
||
|
|
|
||
|
|
if (note)
|
||
|
|
dprintk("tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n",
|
||
|
|
note,audio->name,
|
||
|
|
audio->carr1 / 1000, audio->carr1 % 1000,
|
||
|
|
audio->carr2 / 1000, audio->carr2 % 1000,
|
||
|
|
acpf, tweak);
|
||
|
|
|
||
|
|
acpf += tweak;
|
||
|
|
saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0, (acpf & 0x0000ff) >> 0);
|
||
|
|
saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1, (acpf & 0x00ff00) >> 8);
|
||
|
|
saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2, (acpf & 0x030000) >> 16);
|
||
|
|
tvaudio_setcarrier(dev,audio->carr1,audio->carr2);
|
||
|
|
|
||
|
|
switch (audio->mode) {
|
||
|
|
case TVAUDIO_FM_MONO:
|
||
|
|
case TVAUDIO_FM_BG_STEREO:
|
||
|
|
saa_writeb(SAA7134_DEMODULATOR, 0x00);
|
||
|
|
saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
|
||
|
|
saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22);
|
||
|
|
saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
|
||
|
|
saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
|
||
|
|
break;
|
||
|
|
case TVAUDIO_FM_K_STEREO:
|
||
|
|
saa_writeb(SAA7134_DEMODULATOR, 0x00);
|
||
|
|
saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x01);
|
||
|
|
saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22);
|
||
|
|
saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
|
||
|
|
saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
|
||
|
|
break;
|
||
|
|
case TVAUDIO_NICAM_FM:
|
||
|
|
saa_writeb(SAA7134_DEMODULATOR, 0x10);
|
||
|
|
saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
|
||
|
|
saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
|
||
|
|
saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1);
|
||
|
|
saa_writeb(SAA7134_NICAM_CONFIG, 0x00);
|
||
|
|
break;
|
||
|
|
case TVAUDIO_NICAM_AM:
|
||
|
|
saa_writeb(SAA7134_DEMODULATOR, 0x12);
|
||
|
|
saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
|
||
|
|
saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
|
||
|
|
saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1);
|
||
|
|
saa_writeb(SAA7134_NICAM_CONFIG, 0x00);
|
||
|
|
break;
|
||
|
|
case TVAUDIO_FM_SAT_STEREO:
|
||
|
|
/* not implemented (yet) */
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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 (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
|
||
|
|
}
|
||
|
|
}
|
||
|
|
remove_wait_queue(&dev->thread.wq, &wait);
|
||
|
|
return dev->thread.scan1 != dev->thread.scan2;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan)
|
||
|
|
{
|
||
|
|
__s32 left,right,value;
|
||
|
|
|
||
|
|
if (audio_debug > 1) {
|
||
|
|
int i;
|
||
|
|
dprintk("debug %d:",scan->carr);
|
||
|
|
for (i = -150; i <= 150; i += 30) {
|
||
|
|
tvaudio_setcarrier(dev,scan->carr+i,scan->carr+i);
|
||
|
|
saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
|
||
|
|
if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
|
||
|
|
return -1;
|
||
|
|
value = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
|
||
|
|
if (0 == i)
|
||
|
|
printk(" # %6d # ",value >> 16);
|
||
|
|
else
|
||
|
|
printk(" %6d",value >> 16);
|
||
|
|
}
|
||
|
|
printk("\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
if (dev->tvnorm->id & scan->std) {
|
||
|
|
tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90);
|
||
|
|
saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
|
||
|
|
if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
|
||
|
|
return -1;
|
||
|
|
left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
|
||
|
|
|
||
|
|
tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90);
|
||
|
|
saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
|
||
|
|
if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
|
||
|
|
return -1;
|
||
|
|
right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
|
||
|
|
|
||
|
|
left >>= 16;
|
||
|
|
right >>= 16;
|
||
|
|
value = left > right ? left - right : right - left;
|
||
|
|
dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n",
|
||
|
|
scan->carr / 1000, scan->carr % 1000,
|
||
|
|
scan->name, value, left, right);
|
||
|
|
} else {
|
||
|
|
value = 0;
|
||
|
|
dprintk("skipping %d.%03d MHz [%4s]\n",
|
||
|
|
scan->carr / 1000, scan->carr % 1000, scan->name);
|
||
|
|
}
|
||
|
|
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;
|
||
|
|
int retval = -1;
|
||
|
|
|
||
|
|
switch (audio->mode) {
|
||
|
|
case TVAUDIO_FM_MONO:
|
||
|
|
return V4L2_TUNER_SUB_MONO;
|
||
|
|
case TVAUDIO_FM_K_STEREO:
|
||
|
|
case TVAUDIO_FM_BG_STEREO:
|
||
|
|
idp = (saa_readb(SAA7134_IDENT_SIF) & 0xe0) >> 5;
|
||
|
|
dprintk("getstereo: fm/stereo: idp=0x%x\n",idp);
|
||
|
|
if (0x03 == (idp & 0x03))
|
||
|
|
retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
|
||
|
|
else if (0x05 == (idp & 0x05))
|
||
|
|
retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
|
||
|
|
else if (0x01 == (idp & 0x01))
|
||
|
|
retval = V4L2_TUNER_SUB_MONO;
|
||
|
|
break;
|
||
|
|
case TVAUDIO_FM_SAT_STEREO:
|
||
|
|
/* not implemented (yet) */
|
||
|
|
break;
|
||
|
|
case TVAUDIO_NICAM_FM:
|
||
|
|
case TVAUDIO_NICAM_AM:
|
||
|
|
nicam = saa_readb(SAA7134_NICAM_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;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (retval != -1)
|
||
|
|
dprintk("found audio subchannels:%s%s%s%s\n",
|
||
|
|
(retval & V4L2_TUNER_SUB_MONO) ? " mono" : "",
|
||
|
|
(retval & V4L2_TUNER_SUB_STEREO) ? " stereo" : "",
|
||
|
|
(retval & V4L2_TUNER_SUB_LANG1) ? " lang1" : "",
|
||
|
|
(retval & V4L2_TUNER_SUB_LANG2) ? " lang2" : "");
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio,
|
||
|
|
u32 mode)
|
||
|
|
{
|
||
|
|
static char *name[] = {
|
||
|
|
[ V4L2_TUNER_MODE_MONO ] = "mono",
|
||
|
|
[ V4L2_TUNER_MODE_STEREO ] = "stereo",
|
||
|
|
[ V4L2_TUNER_MODE_LANG1 ] = "lang1",
|
||
|
|
[ V4L2_TUNER_MODE_LANG2 ] = "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 */
|
||
|
|
};
|
||
|
|
u32 reg;
|
||
|
|
|
||
|
|
switch (audio->mode) {
|
||
|
|
case TVAUDIO_FM_MONO:
|
||
|
|
/* nothing to do ... */
|
||
|
|
break;
|
||
|
|
case TVAUDIO_FM_K_STEREO:
|
||
|
|
case TVAUDIO_FM_BG_STEREO:
|
||
|
|
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 */
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int tvaudio_thread(void *data)
|
||
|
|
{
|
||
|
|
struct saa7134_dev *dev = data;
|
||
|
|
int carr_vals[ARRAY_SIZE(mainscan)];
|
||
|
|
unsigned int i, audio, nscan;
|
||
|
|
int max1,max2,carrier,rx,mode,lastmode,default_carrier;
|
||
|
|
|
||
|
|
daemonize("%s", dev->name);
|
||
|
|
allow_signal(SIGTERM);
|
||
|
|
for (;;) {
|
||
|
|
tvaudio_sleep(dev,-1);
|
||
|
|
if (dev->thread.shutdown || signal_pending(current))
|
||
|
|
goto done;
|
||
|
|
|
||
|
|
restart:
|
||
|
|
dev->thread.scan1 = dev->thread.scan2;
|
||
|
|
dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
|
||
|
|
dev->tvaudio = NULL;
|
||
|
|
tvaudio_init(dev);
|
||
|
|
if (dev->ctl_automute)
|
||
|
|
dev->automute = 1;
|
||
|
|
mute_input_7134(dev);
|
||
|
|
|
||
|
|
/* give the tuner some time */
|
||
|
|
if (tvaudio_sleep(dev,SCAN_INITIAL_DELAY))
|
||
|
|
goto restart;
|
||
|
|
|
||
|
|
max1 = 0;
|
||
|
|
max2 = 0;
|
||
|
|
nscan = 0;
|
||
|
|
carrier = 0;
|
||
|
|
default_carrier = 0;
|
||
|
|
for (i = 0; i < ARRAY_SIZE(mainscan); i++) {
|
||
|
|
if (!(dev->tvnorm->id & mainscan[i].std))
|
||
|
|
continue;
|
||
|
|
if (!default_carrier)
|
||
|
|
default_carrier = mainscan[i].carr;
|
||
|
|
nscan++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (1 == nscan) {
|
||
|
|
/* only one candidate -- skip scan ;) */
|
||
|
|
max1 = 12345;
|
||
|
|
carrier = default_carrier;
|
||
|
|
} else {
|
||
|
|
/* scan for the main carrier */
|
||
|
|
saa_writeb(SAA7134_MONITOR_SELECT,0x00);
|
||
|
|
tvaudio_setmode(dev,&tvaudio[0],NULL);
|
||
|
|
for (i = 0; i < ARRAY_SIZE(mainscan); i++) {
|
||
|
|
carr_vals[i] = tvaudio_checkcarrier(dev, mainscan+i);
|
||
|
|
if (dev->thread.scan1 != dev->thread.scan2)
|
||
|
|
goto restart;
|
||
|
|
}
|
||
|
|
for (max1 = 0, max2 = 0, i = 0; i < ARRAY_SIZE(mainscan); i++) {
|
||
|
|
if (max1 < carr_vals[i]) {
|
||
|
|
max2 = max1;
|
||
|
|
max1 = carr_vals[i];
|
||
|
|
carrier = mainscan[i].carr;
|
||
|
|
} else if (max2 < carr_vals[i]) {
|
||
|
|
max2 = carr_vals[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (0 != carrier && max1 > 2000 && max1 > max2*3) {
|
||
|
|
/* found good carrier */
|
||
|
|
dprintk("found %s main sound carrier @ %d.%03d MHz [%d/%d]\n",
|
||
|
|
dev->tvnorm->name, carrier/1000, carrier%1000,
|
||
|
|
max1, max2);
|
||
|
|
dev->last_carrier = carrier;
|
||
|
|
|
||
|
|
} 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, "
|
||
|
|
"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, "
|
||
|
|
"using %d.%03d MHz [default]\n",
|
||
|
|
dev->name, carrier/1000, carrier%1000);
|
||
|
|
}
|
||
|
|
tvaudio_setcarrier(dev,carrier,carrier);
|
||
|
|
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))
|
||
|
|
continue;
|
||
|
|
if (tvaudio[i].carr1 != carrier)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if (UNSET == audio)
|
||
|
|
audio = i;
|
||
|
|
tvaudio_setmode(dev,&tvaudio[i],"trying");
|
||
|
|
if (tvaudio_sleep(dev,SCAN_SUBCARRIER_DELAY))
|
||
|
|
goto restart;
|
||
|
|
if (-1 != tvaudio_getstereo(dev,&tvaudio[i])) {
|
||
|
|
audio = i;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x30);
|
||
|
|
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 (;;) {
|
||
|
|
if (tvaudio_sleep(dev,5000))
|
||
|
|
goto restart;
|
||
|
|
if (dev->thread.shutdown || signal_pending(current))
|
||
|
|
break;
|
||
|
|
if (UNSET == dev->thread.mode) {
|
||
|
|
rx = tvaudio_getstereo(dev,&tvaudio[i]);
|
||
|
|
mode = saa7134_tvaudio_rx2mode(rx);
|
||
|
|
} else {
|
||
|
|
mode = dev->thread.mode;
|
||
|
|
}
|
||
|
|
if (lastmode != mode) {
|
||
|
|
tvaudio_setstereo(dev,&tvaudio[audio],mode);
|
||
|
|
lastmode = mode;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
done:
|
||
|
|
complete_and_exit(&dev->thread.exit, 0);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------ */
|
||
|
|
/* saa7133 / saa7135 code */
|
||
|
|
|
||
|
|
static char *stdres[0x20] = {
|
||
|
|
[0x00] = "no standard detected",
|
||
|
|
[0x01] = "B/G (in progress)",
|
||
|
|
[0x02] = "D/K (in progress)",
|
||
|
|
[0x03] = "M (in progress)",
|
||
|
|
|
||
|
|
[0x04] = "B/G A2",
|
||
|
|
[0x05] = "B/G NICAM",
|
||
|
|
[0x06] = "D/K A2 (1)",
|
||
|
|
[0x07] = "D/K A2 (2)",
|
||
|
|
[0x08] = "D/K A2 (3)",
|
||
|
|
[0x09] = "D/K NICAM",
|
||
|
|
[0x0a] = "L NICAM",
|
||
|
|
[0x0b] = "I NICAM",
|
||
|
|
|
||
|
|
[0x0c] = "M Korea",
|
||
|
|
[0x0d] = "M BTSC ",
|
||
|
|
[0x0e] = "M EIAJ",
|
||
|
|
|
||
|
|
[0x0f] = "FM radio / IF 10.7 / 50 deemp",
|
||
|
|
[0x10] = "FM radio / IF 10.7 / 75 deemp",
|
||
|
|
[0x11] = "FM radio / IF sel / 50 deemp",
|
||
|
|
[0x12] = "FM radio / IF sel / 75 deemp",
|
||
|
|
|
||
|
|
[0x13 ... 0x1e ] = "unknown",
|
||
|
|
[0x1f] = "??? [in progress]",
|
||
|
|
};
|
||
|
|
|
||
|
|
#define DSP_RETRY 32
|
||
|
|
#define DSP_DELAY 16
|
||
|
|
|
||
|
|
static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit)
|
||
|
|
{
|
||
|
|
int state, count = DSP_RETRY;
|
||
|
|
|
||
|
|
state = saa_readb(SAA7135_DSP_RWSTATE);
|
||
|
|
if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) {
|
||
|
|
printk("%s: dsp access error\n",dev->name);
|
||
|
|
/* FIXME: send ack ... */
|
||
|
|
return -EIO;
|
||
|
|
}
|
||
|
|
while (0 == (state & bit)) {
|
||
|
|
if (unlikely(0 == count)) {
|
||
|
|
printk("%s: dsp access wait timeout [bit=%s]\n",
|
||
|
|
dev->name,
|
||
|
|
(bit & SAA7135_DSP_RWSTATE_WRR) ? "WRR" :
|
||
|
|
(bit & SAA7135_DSP_RWSTATE_RDB) ? "RDB" :
|
||
|
|
(bit & SAA7135_DSP_RWSTATE_IDA) ? "IDA" :
|
||
|
|
"???");
|
||
|
|
return -EIO;
|
||
|
|
}
|
||
|
|
saa_wait(DSP_DELAY);
|
||
|
|
state = saa_readb(SAA7135_DSP_RWSTATE);
|
||
|
|
count--;
|
||
|
|
}
|
||
|
|
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)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
d2printk("dsp write reg 0x%x = 0x%06x\n",reg<<2,value);
|
||
|
|
err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
|
||
|
|
if (err < 0)
|
||
|
|
return err;
|
||
|
|
saa_writel(reg,value);
|
||
|
|
err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
|
||
|
|
if (err < 0)
|
||
|
|
return err;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int getstereo_7133(struct saa7134_dev *dev)
|
||
|
|
{
|
||
|
|
int retval = V4L2_TUNER_SUB_MONO;
|
||
|
|
u32 value;
|
||
|
|
|
||
|
|
value = saa_readl(0x528 >> 2);
|
||
|
|
if (value & 0x20)
|
||
|
|
retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
|
||
|
|
if (value & 0x40)
|
||
|
|
retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mute_input_7133(struct saa7134_dev *dev)
|
||
|
|
{
|
||
|
|
u32 reg = 0;
|
||
|
|
int mask;
|
||
|
|
|
||
|
|
switch (dev->input->amux) {
|
||
|
|
case TV:
|
||
|
|
reg = 0x02;
|
||
|
|
break;
|
||
|
|
case LINE1:
|
||
|
|
reg = 0x00;
|
||
|
|
break;
|
||
|
|
case LINE2:
|
||
|
|
case LINE2_LEFT:
|
||
|
|
reg = 0x01;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (dev->ctl_mute)
|
||
|
|
reg = 0x07;
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
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);
|
||
|
|
|
||
|
|
for (;;) {
|
||
|
|
tvaudio_sleep(dev,-1);
|
||
|
|
if (dev->thread.shutdown || signal_pending(current))
|
||
|
|
goto done;
|
||
|
|
|
||
|
|
restart:
|
||
|
|
dev->thread.scan1 = dev->thread.scan2;
|
||
|
|
dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
|
||
|
|
|
||
|
|
if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) {
|
||
|
|
/* insmod option override */
|
||
|
|
norms = (audio_ddep << 2) | 0x01;
|
||
|
|
dprintk("ddep override: %s\n",stdres[audio_ddep]);
|
||
|
|
} else if (&card(dev).radio == dev->input) {
|
||
|
|
dprintk("FM Radio\n");
|
||
|
|
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 (0 == norms)
|
||
|
|
norms = 0x7c; /* all */
|
||
|
|
dprintk("scanning:%s%s%s%s%s\n",
|
||
|
|
(norms & 0x04) ? " B/G" : "",
|
||
|
|
(norms & 0x08) ? " D/K" : "",
|
||
|
|
(norms & 0x10) ? " L/L'" : "",
|
||
|
|
(norms & 0x20) ? " I" : "",
|
||
|
|
(norms & 0x40) ? " M" : "");
|
||
|
|
}
|
||
|
|
|
||
|
|
/* kick automatic standard detection */
|
||
|
|
saa_dsp_writel(dev, 0x454 >> 2, 0);
|
||
|
|
saa_dsp_writel(dev, 0x454 >> 2, norms | 0x80);
|
||
|
|
|
||
|
|
/* setup crossbars */
|
||
|
|
saa_dsp_writel(dev, 0x464 >> 2, 0x000000);
|
||
|
|
saa_dsp_writel(dev, 0x470 >> 2, 0x101010);
|
||
|
|
|
||
|
|
if (tvaudio_sleep(dev,3000))
|
||
|
|
goto restart;
|
||
|
|
value = saa_readl(0x528 >> 2) & 0xffffff;
|
||
|
|
|
||
|
|
dprintk("tvaudio thread status: 0x%x [%s%s%s]\n",
|
||
|
|
value, stdres[value & 0x1f],
|
||
|
|
(value & 0x000020) ? ",stereo" : "",
|
||
|
|
(value & 0x000040) ? ",dual" : "");
|
||
|
|
dprintk("detailed status: "
|
||
|
|
"%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n",
|
||
|
|
(value & 0x000080) ? " A2/EIAJ pilot tone " : "",
|
||
|
|
(value & 0x000100) ? " A2/EIAJ dual " : "",
|
||
|
|
(value & 0x000200) ? " A2/EIAJ stereo " : "",
|
||
|
|
(value & 0x000400) ? " A2/EIAJ noise mute " : "",
|
||
|
|
|
||
|
|
(value & 0x000800) ? " BTSC/FM radio pilot " : "",
|
||
|
|
(value & 0x001000) ? " SAP carrier " : "",
|
||
|
|
(value & 0x002000) ? " BTSC stereo noise mute " : "",
|
||
|
|
(value & 0x004000) ? " SAP noise mute " : "",
|
||
|
|
(value & 0x008000) ? " VDSP " : "",
|
||
|
|
|
||
|
|
(value & 0x010000) ? " NICST " : "",
|
||
|
|
(value & 0x020000) ? " NICDU " : "",
|
||
|
|
(value & 0x040000) ? " NICAM muted " : "",
|
||
|
|
(value & 0x080000) ? " NICAM reserve sound " : "",
|
||
|
|
|
||
|
|
(value & 0x100000) ? " init done " : "");
|
||
|
|
}
|
||
|
|
|
||
|
|
done:
|
||
|
|
complete_and_exit(&dev->thread.exit, 0);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------ */
|
||
|
|
/* common stuff + external entry points */
|
||
|
|
|
||
|
|
static 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);
|
||
|
|
}
|
||
|
|
|
||
|
|
int saa7134_tvaudio_rx2mode(u32 rx)
|
||
|
|
{
|
||
|
|
u32 mode;
|
||
|
|
|
||
|
|
mode = V4L2_TUNER_MODE_MONO;
|
||
|
|
if (rx & V4L2_TUNER_SUB_STEREO)
|
||
|
|
mode = V4L2_TUNER_MODE_STEREO;
|
||
|
|
else if (rx & V4L2_TUNER_SUB_LANG1)
|
||
|
|
mode = V4L2_TUNER_MODE_LANG1;
|
||
|
|
else if (rx & V4L2_TUNER_SUB_LANG2)
|
||
|
|
mode = V4L2_TUNER_MODE_LANG2;
|
||
|
|
return mode;
|
||
|
|
}
|
||
|
|
|
||
|
|
void saa7134_tvaudio_setmute(struct saa7134_dev *dev)
|
||
|
|
{
|
||
|
|
switch (dev->pci->device) {
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7130:
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7134:
|
||
|
|
mute_input_7134(dev);
|
||
|
|
break;
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7133:
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7135:
|
||
|
|
mute_input_7133(dev);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void saa7134_tvaudio_setinput(struct saa7134_dev *dev,
|
||
|
|
struct saa7134_input *in)
|
||
|
|
{
|
||
|
|
dev->input = in;
|
||
|
|
switch (dev->pci->device) {
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7130:
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7134:
|
||
|
|
mute_input_7134(dev);
|
||
|
|
break;
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7133:
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7135:
|
||
|
|
mute_input_7133(dev);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
saa7134_enable_i2s(dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level)
|
||
|
|
{
|
||
|
|
switch (dev->pci->device) {
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7134:
|
||
|
|
saa_writeb(SAA7134_CHANNEL1_LEVEL, level & 0x1f);
|
||
|
|
saa_writeb(SAA7134_CHANNEL2_LEVEL, level & 0x1f);
|
||
|
|
saa_writeb(SAA7134_NICAM_LEVEL_ADJUST, level & 0x1f);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int saa7134_tvaudio_getstereo(struct saa7134_dev *dev)
|
||
|
|
{
|
||
|
|
int retval = V4L2_TUNER_SUB_MONO;
|
||
|
|
|
||
|
|
switch (dev->pci->device) {
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7134:
|
||
|
|
if (dev->tvaudio)
|
||
|
|
retval = tvaudio_getstereo(dev,dev->tvaudio);
|
||
|
|
break;
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7133:
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7135:
|
||
|
|
retval = getstereo_7133(dev);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
int saa7134_tvaudio_init2(struct saa7134_dev *dev)
|
||
|
|
{
|
||
|
|
DECLARE_MUTEX_LOCKED(sem);
|
||
|
|
int (*my_thread)(void *data) = NULL;
|
||
|
|
|
||
|
|
switch (dev->pci->device) {
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7134:
|
||
|
|
my_thread = tvaudio_thread;
|
||
|
|
break;
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7133:
|
||
|
|
case PCI_DEVICE_ID_PHILIPS_SAA7135:
|
||
|
|
my_thread = tvaudio_thread_ddep;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
dev->thread.pid = -1;
|
||
|
|
if (my_thread) {
|
||
|
|
/* 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)
|
||
|
|
printk(KERN_WARNING "%s: kernel_thread() failed\n",
|
||
|
|
dev->name);
|
||
|
|
saa7134_tvaudio_do_scan(dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
saa7134_enable_i2s(dev);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
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) {
|
||
|
|
dev->thread.mode = UNSET;
|
||
|
|
dev->thread.scan2++;
|
||
|
|
wake_up_interruptible(&dev->thread.wq);
|
||
|
|
} else {
|
||
|
|
dev->automute = 0;
|
||
|
|
saa7134_tvaudio_setmute(dev);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ----------------------------------------------------------- */
|
||
|
|
/*
|
||
|
|
* Local variables:
|
||
|
|
* c-basic-offset: 8
|
||
|
|
* End:
|
||
|
|
*/
|