| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Andrew Morton | 2517 | 48.26% | 5 | 11.90% |
| Gerd Knorr | 1648 | 31.60% | 7 | 16.67% |
| Mauro Carvalho Chehab | 280 | 5.37% | 8 | 19.05% |
| Maxim Levitsky | 235 | 4.51% | 4 | 9.52% |
| Hartmut Hackmann | 214 | 4.10% | 4 | 9.52% |
| Stas Sergeev | 95 | 1.82% | 1 | 2.38% |
| Rusty Russell | 90 | 1.73% | 1 | 2.38% |
| Dmitry Belimov | 61 | 1.17% | 2 | 4.76% |
| Christoph Hellwig | 30 | 0.58% | 1 | 2.38% |
| Nickolay V. Shmyrev | 18 | 0.35% | 1 | 2.38% |
| Hans Verkuil | 13 | 0.25% | 1 | 2.38% |
| Ricardo Cerqueira | 10 | 0.19% | 2 | 4.76% |
| Sakari Ailus | 1 | 0.02% | 1 | 2.38% |
| Ondrej Zary | 1 | 0.02% | 1 | 2.38% |
| Nishanth Aravamudan | 1 | 0.02% | 1 | 2.38% |
| Dan Carpenter | 1 | 0.02% | 1 | 2.38% |
| Julia Lawall | 1 | 0.02% | 1 | 2.38% |
| Total | 5216 | 42 |
/* * * 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. */ #include "saa7134.h" #include "saa7134-reg.h" #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> /* ------------------------------------------------------------------ */ 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 audio_dbg(level, fmt, arg...) do { \ if (audio_debug >= level) \ printk(KERN_DEBUG pr_fmt("audio: " fmt), ## arg); \ } while (0) /* 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.type) { /* * 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) { audio_dbg(1, "mute/input: nothing to do [mute=%d,input=%s]\n", mute, saa7134_input_name[in->type]); return; } audio_dbg(1, "ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n", dev->ctl_mute, dev->automute, saa7134_input_name[dev->input->type], mute, saa7134_input_name[in->type]); 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, saa7134_input_name[in->type]); } 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) audio_dbg(1, "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; audio_dbg(1, "skipping %d.%03d MHz [%4s]\n", scan->carr / 1000, scan->carr % 1000, scan->name); return 0; } if (audio_debug > 1) { int i; audio_dbg(1, "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) pr_cont(" # %6d # ", value >> 16); else pr_cont(" %6d", value >> 16); } pr_cont("\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; audio_dbg(1, "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; audio_dbg(1, "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); audio_dbg(1, "getstereo: nicam=0x%x\n", nicam); if (nicam & 0x1) { nicam_status = saa_readb(SAA7134_NICAM_STATUS); audio_dbg(1, "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) audio_dbg(1, "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: audio_dbg(1, "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; audio_dbg(1, "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 ;) */ audio_dbg(1, "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 */ audio_dbg(1, "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; audio_dbg(1, "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; audio_dbg(1, "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)) { audio_dbg(2, "%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)) { pr_warn("%s: dsp access error\n", dev->name); saa_dsp_reset_error_bit(dev); return -EIO; } while (0 == (state & bit)) { if (unlikely(0 == count)) { pr_err("dsp access wait timeout [bit=%s]\n", (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; audio_dbg(2, "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.type && 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, saa7134_input_name[in->type]); } 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; audio_dbg(1, "tvaudio thread scan start [%d]\n", dev->thread.scan1); if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) { /* insmod option override */ norms = (audio_ddep << 2) | 0x01; audio_dbg(1, "ddep override: %s\n", stdres[audio_ddep]); } else if (&card(dev).radio == dev->input) { audio_dbg(1, "FM Radio\n"); if (dev->tuner_type == TUNER_PHILIPS_TDA8290) { norms = (0x11 << 2) | 0x01; /* set IF frequency to 5.5 MHz */ 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 */ audio_dbg(1, "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; audio_dbg(1, "tvaudio thread status: 0x%x [%s%s%s]\n", value, stdres[value & 0x1f], (value & 0x000020) ? ",stereo" : "", (value & 0x000040) ? ",dual" : ""); audio_dbg(1, "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)) { pr_warn("%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) { audio_dbg(1, "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);
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