diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-tvaudio.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-tvaudio.c | 1087 |
1 files changed, 0 insertions, 1087 deletions
diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c deleted file mode 100644 index b7a99bee2f98..000000000000 --- a/drivers/media/video/saa7134/saa7134-tvaudio.c +++ /dev/null @@ -1,1087 +0,0 @@ -/* - * - * 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/kernel.h> -#include <linux/kthread.h> -#include <linux/delay.h> -#include <linux/freezer.h> -#include <asm/div64.h> - -#include "saa7134-reg.h" -#include "saa7134.h" - -/* ------------------------------------------------------------------ */ - -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; -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; -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 = "MN", - .std = V4L2_STD_MN, - .carr = 4500, - },{ - .name = "BGH", - .std = V4L2_STD_B | V4L2_STD_GH, - .carr = 5500, - },{ - .name = "I", - .std = V4L2_STD_PAL_I, - .carr = 6000, - },{ - .name = "DKL", - .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_BG, - .mode = TVAUDIO_FM_BG_STEREO, - .carr1 = 5500, - .carr2 = 5742, - },{ - .name = "PAL-D/K1 FM-stereo", - .std = V4L2_STD_PAL_DK, - .carr1 = 6500, - .carr2 = 6258, - .mode = TVAUDIO_FM_BG_STEREO, - },{ - .name = "PAL-D/K2 FM-stereo", - .std = V4L2_STD_PAL_DK, - .carr1 = 6500, - .carr2 = 6742, - .mode = TVAUDIO_FM_BG_STEREO, - },{ - .name = "PAL-D/K3 FM-stereo", - .std = V4L2_STD_PAL_DK, - .carr1 = 6500, - .carr2 = 5742, - .mode = TVAUDIO_FM_BG_STEREO, - },{ - .name = "PAL-B/G NICAM", - .std = V4L2_STD_PAL_BG, - .carr1 = 5500, - .carr2 = 5850, - .mode = TVAUDIO_NICAM_FM, - },{ - .name = "PAL-I NICAM", - .std = V4L2_STD_PAL_I, - .carr1 = 6000, - .carr2 = 6552, - .mode = TVAUDIO_NICAM_FM, - },{ - .name = "PAL-D/K NICAM", - .std = V4L2_STD_PAL_DK, - .carr1 = 6500, - .carr2 = 5850, - .mode = TVAUDIO_NICAM_FM, - },{ - .name = "SECAM-L NICAM", - .std = V4L2_STD_SECAM_L, - .carr1 = 6500, - .carr2 = 5850, - .mode = TVAUDIO_NICAM_AM, - },{ - .name = "SECAM-D/K NICAM", - .std = V4L2_STD_SECAM_DK, - .carr1 = 6500, - .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 ARRAY_SIZE(tvaudio) - -/* ------------------------------------------------------------------ */ - -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)); -} - -#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; - 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 (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->insuspend) { - 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 ? - SAA7134_MUTE_MASK | - SAA7134_MUTE_ANALOG | - SAA7134_MUTE_I2S : - SAA7134_MUTE_MASK); - - /* 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); - // 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); - 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) -{ - if (dev->thread.scan1 == dev->thread.scan2 && - !kthread_should_stop()) { - if (timeout < 0) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - } else { - schedule_timeout_interruptible - (msecs_to_jiffies(timeout)); - } - } - return dev->thread.scan1 != dev->thread.scan2; -} - -static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan) -{ - __s32 left,right,value; - - if (!(dev->tvnorm->id & scan->std)) { - value = 0; - dprintk("skipping %d.%03d MHz [%4s]\n", - scan->carr / 1000, scan->carr % 1000, scan->name); - return 0; - } - - 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"); - } - - 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); - return value; -} - - -static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio) -{ - __u32 idp, nicam, nicam_status; - 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_AUDIO_STATUS); - dprintk("getstereo: nicam=0x%x\n",nicam); - 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; - } - 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", - [ 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; - - switch (audio->mode) { - case TVAUDIO_FM_MONO: - /* nothing to do ... */ - 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: - /* Not implemented */ - 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; - - set_freezable(); - - for (;;) { - tvaudio_sleep(dev,-1); - 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; - - 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 (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 ;) */ - dprintk("only one main carrier candidate - skipping scan\n"); - 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; - dev->automute = 0; - - } else if (0 != dev->last_carrier) { - /* no carrier -- try last detected one as fallback */ - carrier = dev->last_carrier; - dprintk("audio carrier scan failed, " - "using %d.%03d MHz [last detected]\n", - carrier/1000, carrier%1000); - dev->automute = 1; - - } else { - /* no carrier + no fallback -- use default */ - carrier = default_carrier; - dprintk("audio carrier scan failed, " - "using %d.%03d MHz [default]\n", - carrier/1000, carrier%1000); - dev->automute = 1; - } - tvaudio_setcarrier(dev,carrier,carrier); - 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; - /* Note: at least the primary carrier is right here */ - 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 (;;) { - - try_to_freeze(); - - if (tvaudio_sleep(dev,5000)) - goto restart; - if (kthread_should_stop()) - break; - if (UNSET == dev->thread.mode) { - rx = tvaudio_getstereo(dev, &tvaudio[audio]); - mode = saa7134_tvaudio_rx2mode(rx); - } else { - mode = dev->thread.mode; - } - if (lastmode != mode) { - tvaudio_setstereo(dev,&tvaudio[audio],mode); - lastmode = mode; - } - } - } - - done: - dev->thread.stopped = 1; - 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 -#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) -{ - int state, count = DSP_RETRY; - - state = saa_readb(SAA7135_DSP_RWSTATE); - if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) { - printk(KERN_WARNING "%s: dsp access error\n", dev->name); - saa_dsp_reset_error_bit(dev); - 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; -} - - -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; - 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 = 0x09; - break; - } - 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, 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; - - set_freezable(); - for (;;) { - tvaudio_sleep(dev,-1); - 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); - - 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"); - 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_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", - (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: - dev->thread.stopped = 1; - return 0; -} - -/* ------------------------------------------------------------------ */ -/* common stuff + external entry points */ - -void saa7134_enable_i2s(struct saa7134_dev *dev) -{ - int i2s_format; - - if (!card_is_empress(dev)) - return; - - 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) -{ - 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; -} - -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; - - 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.thread = NULL; - dev->thread.scan1 = dev->thread.scan2 = 0; - 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)) { - printk(KERN_WARNING "%s: kernel_thread() failed\n", - dev->name); - /* XXX: missing error handling here */ - } - } - - saa7134_enable_i2s(dev); - return 0; -} - -int saa7134_tvaudio_close(struct saa7134_dev *dev) -{ - dev->automute = 1; - /* anything else to undo? */ - return 0; -} - -int saa7134_tvaudio_fini(struct saa7134_dev *dev) -{ - /* shutdown tvaudio thread */ - 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->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++; - - 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: - * c-basic-offset: 8 - * End: - */ |