Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * $Id: saa7134-tvaudio.c,v 1.22 2005/01/07 13:11:19 kraxel Exp $ |
| 3 | * |
| 4 | * device driver for philips saa7134 based TV cards |
| 5 | * tv audio decoder (fm stereo, nicam, ...) |
| 6 | * |
| 7 | * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | */ |
| 23 | |
| 24 | #include <linux/init.h> |
| 25 | #include <linux/list.h> |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/moduleparam.h> |
| 28 | #include <linux/kernel.h> |
| 29 | #include <linux/slab.h> |
| 30 | #include <linux/delay.h> |
| 31 | #include <linux/smp_lock.h> |
| 32 | #include <asm/div64.h> |
| 33 | |
| 34 | #include "saa7134-reg.h" |
| 35 | #include "saa7134.h" |
| 36 | |
| 37 | /* ------------------------------------------------------------------ */ |
| 38 | |
| 39 | static unsigned int audio_debug = 0; |
| 40 | module_param(audio_debug, int, 0644); |
| 41 | MODULE_PARM_DESC(audio_debug,"enable debug messages [tv audio]"); |
| 42 | |
| 43 | static unsigned int audio_ddep = 0; |
| 44 | module_param(audio_ddep, int, 0644); |
| 45 | MODULE_PARM_DESC(audio_ddep,"audio ddep overwrite"); |
| 46 | |
| 47 | static int audio_clock_override = UNSET; |
| 48 | module_param(audio_clock_override, int, 0644); |
| 49 | |
| 50 | static int audio_clock_tweak = 0; |
| 51 | module_param(audio_clock_tweak, int, 0644); |
| 52 | MODULE_PARM_DESC(audio_clock_tweak, "Audio clock tick fine tuning for cards with audio crystal that's slightly off (range [-1024 .. 1024])"); |
| 53 | |
| 54 | #define dprintk(fmt, arg...) if (audio_debug) \ |
| 55 | printk(KERN_DEBUG "%s/audio: " fmt, dev->name , ## arg) |
| 56 | #define d2printk(fmt, arg...) if (audio_debug > 1) \ |
| 57 | printk(KERN_DEBUG "%s/audio: " fmt, dev->name, ## arg) |
| 58 | |
| 59 | #define print_regb(reg) printk("%s: reg 0x%03x [%-16s]: 0x%02x\n", \ |
| 60 | dev->name,(SAA7134_##reg),(#reg),saa_readb((SAA7134_##reg))) |
| 61 | |
| 62 | /* msecs */ |
| 63 | #define SCAN_INITIAL_DELAY 1000 |
| 64 | #define SCAN_SAMPLE_DELAY 200 |
| 65 | #define SCAN_SUBCARRIER_DELAY 2000 |
| 66 | |
| 67 | /* ------------------------------------------------------------------ */ |
| 68 | /* saa7134 code */ |
| 69 | |
| 70 | static struct mainscan { |
| 71 | char *name; |
| 72 | v4l2_std_id std; |
| 73 | int carr; |
| 74 | } mainscan[] = { |
| 75 | { |
| 76 | .name = "M", |
| 77 | .std = V4L2_STD_NTSC | V4L2_STD_PAL_M, |
| 78 | .carr = 4500, |
| 79 | },{ |
| 80 | .name = "BG", |
| 81 | .std = V4L2_STD_PAL_BG, |
| 82 | .carr = 5500, |
| 83 | },{ |
| 84 | .name = "I", |
| 85 | .std = V4L2_STD_PAL_I, |
| 86 | .carr = 6000, |
| 87 | },{ |
| 88 | .name = "DKL", |
| 89 | .std = V4L2_STD_PAL_DK | V4L2_STD_SECAM, |
| 90 | .carr = 6500, |
| 91 | } |
| 92 | }; |
| 93 | |
| 94 | static struct saa7134_tvaudio tvaudio[] = { |
| 95 | { |
| 96 | .name = "PAL-B/G FM-stereo", |
| 97 | .std = V4L2_STD_PAL, |
| 98 | .mode = TVAUDIO_FM_BG_STEREO, |
| 99 | .carr1 = 5500, |
| 100 | .carr2 = 5742, |
| 101 | },{ |
| 102 | .name = "PAL-D/K1 FM-stereo", |
| 103 | .std = V4L2_STD_PAL, |
| 104 | .carr1 = 6500, |
| 105 | .carr2 = 6258, |
| 106 | .mode = TVAUDIO_FM_BG_STEREO, |
| 107 | },{ |
| 108 | .name = "PAL-D/K2 FM-stereo", |
| 109 | .std = V4L2_STD_PAL, |
| 110 | .carr1 = 6500, |
| 111 | .carr2 = 6742, |
| 112 | .mode = TVAUDIO_FM_BG_STEREO, |
| 113 | },{ |
| 114 | .name = "PAL-D/K3 FM-stereo", |
| 115 | .std = V4L2_STD_PAL, |
| 116 | .carr1 = 6500, |
| 117 | .carr2 = 5742, |
| 118 | .mode = TVAUDIO_FM_BG_STEREO, |
| 119 | },{ |
| 120 | .name = "PAL-B/G NICAM", |
| 121 | .std = V4L2_STD_PAL, |
| 122 | .carr1 = 5500, |
| 123 | .carr2 = 5850, |
| 124 | .mode = TVAUDIO_NICAM_FM, |
| 125 | },{ |
| 126 | .name = "PAL-I NICAM", |
| 127 | .std = V4L2_STD_PAL, |
| 128 | .carr1 = 6000, |
| 129 | .carr2 = 6552, |
| 130 | .mode = TVAUDIO_NICAM_FM, |
| 131 | },{ |
| 132 | .name = "PAL-D/K NICAM", |
| 133 | .std = V4L2_STD_PAL, |
| 134 | .carr1 = 6500, |
| 135 | .carr2 = 5850, |
| 136 | .mode = TVAUDIO_NICAM_FM, |
| 137 | },{ |
| 138 | .name = "SECAM-L NICAM", |
| 139 | .std = V4L2_STD_SECAM, |
| 140 | .carr1 = 6500, |
| 141 | .carr2 = 5850, |
| 142 | .mode = TVAUDIO_NICAM_AM, |
| 143 | },{ |
| 144 | .name = "SECAM-D/K", |
| 145 | .std = V4L2_STD_SECAM, |
| 146 | .carr1 = 6500, |
| 147 | .carr2 = -1, |
| 148 | .mode = TVAUDIO_FM_MONO, |
| 149 | },{ |
| 150 | .name = "NTSC-M", |
| 151 | .std = V4L2_STD_NTSC, |
| 152 | .carr1 = 4500, |
| 153 | .carr2 = -1, |
| 154 | .mode = TVAUDIO_FM_MONO, |
| 155 | },{ |
| 156 | .name = "NTSC-A2 FM-stereo", |
| 157 | .std = V4L2_STD_NTSC, |
| 158 | .carr1 = 4500, |
| 159 | .carr2 = 4724, |
| 160 | .mode = TVAUDIO_FM_K_STEREO, |
| 161 | } |
| 162 | }; |
| 163 | #define TVAUDIO (sizeof(tvaudio)/sizeof(struct saa7134_tvaudio)) |
| 164 | |
| 165 | /* ------------------------------------------------------------------ */ |
| 166 | |
| 167 | static void tvaudio_init(struct saa7134_dev *dev) |
| 168 | { |
| 169 | int clock = saa7134_boards[dev->board].audio_clock; |
| 170 | |
| 171 | if (UNSET != audio_clock_override) |
| 172 | clock = audio_clock_override; |
| 173 | |
| 174 | /* init all audio registers */ |
| 175 | saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00); |
| 176 | if (need_resched()) |
| 177 | schedule(); |
| 178 | else |
| 179 | udelay(10); |
| 180 | |
| 181 | saa_writeb(SAA7134_AUDIO_CLOCK0, clock & 0xff); |
| 182 | saa_writeb(SAA7134_AUDIO_CLOCK1, (clock >> 8) & 0xff); |
| 183 | saa_writeb(SAA7134_AUDIO_CLOCK2, (clock >> 16) & 0xff); |
| 184 | saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01); |
| 185 | |
| 186 | saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14); |
| 187 | saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50); |
| 188 | saa_writeb(SAA7134_MONITOR_SELECT, 0xa0); |
| 189 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); |
| 190 | } |
| 191 | |
| 192 | static u32 tvaudio_carr2reg(u32 carrier) |
| 193 | { |
| 194 | u64 a = carrier; |
| 195 | |
| 196 | a <<= 24; |
| 197 | do_div(a,12288); |
| 198 | return a; |
| 199 | } |
| 200 | |
| 201 | static void tvaudio_setcarrier(struct saa7134_dev *dev, |
| 202 | int primary, int secondary) |
| 203 | { |
| 204 | if (-1 == secondary) |
| 205 | secondary = primary; |
| 206 | saa_writel(SAA7134_CARRIER1_FREQ0 >> 2, tvaudio_carr2reg(primary)); |
| 207 | saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary)); |
| 208 | } |
| 209 | |
| 210 | static void mute_input_7134(struct saa7134_dev *dev) |
| 211 | { |
| 212 | unsigned int mute; |
| 213 | struct saa7134_input *in; |
| 214 | int ausel=0, ics=0, ocs=0; |
| 215 | int mask; |
| 216 | |
| 217 | /* look what is to do ... */ |
| 218 | in = dev->input; |
| 219 | mute = (dev->ctl_mute || |
| 220 | (dev->automute && (&card(dev).radio) != in)); |
| 221 | if (PCI_DEVICE_ID_PHILIPS_SAA7130 == dev->pci->device && |
| 222 | card(dev).mute.name) { |
| 223 | /* 7130 - we'll mute using some unconnected audio input */ |
| 224 | if (mute) |
| 225 | in = &card(dev).mute; |
| 226 | } |
| 227 | if (dev->hw_mute == mute && |
| 228 | dev->hw_input == in) { |
| 229 | dprintk("mute/input: nothing to do [mute=%d,input=%s]\n", |
| 230 | mute,in->name); |
| 231 | return; |
| 232 | } |
| 233 | |
| 234 | dprintk("ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n", |
| 235 | dev->ctl_mute,dev->automute,dev->input->name,mute,in->name); |
| 236 | dev->hw_mute = mute; |
| 237 | dev->hw_input = in; |
| 238 | |
| 239 | if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device) |
| 240 | /* 7134 mute */ |
| 241 | saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ? 0xbf : 0xbb); |
| 242 | |
| 243 | /* switch internal audio mux */ |
| 244 | switch (in->amux) { |
| 245 | case TV: ausel=0xc0; ics=0x00; ocs=0x02; break; |
| 246 | case LINE1: ausel=0x80; ics=0x00; ocs=0x00; break; |
| 247 | case LINE2: ausel=0x80; ics=0x08; ocs=0x01; break; |
| 248 | case LINE2_LEFT: ausel=0x80; ics=0x08; ocs=0x05; break; |
| 249 | } |
| 250 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel); |
| 251 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics); |
| 252 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs); |
| 253 | |
| 254 | /* switch gpio-connected external audio mux */ |
| 255 | if (0 == card(dev).gpiomask) |
| 256 | return; |
| 257 | mask = card(dev).gpiomask; |
| 258 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); |
| 259 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio); |
| 260 | saa7134_track_gpio(dev,in->name); |
| 261 | } |
| 262 | |
| 263 | static void tvaudio_setmode(struct saa7134_dev *dev, |
| 264 | struct saa7134_tvaudio *audio, |
| 265 | char *note) |
| 266 | { |
| 267 | int acpf, tweak = 0; |
| 268 | |
| 269 | if (dev->tvnorm->id == V4L2_STD_NTSC) { |
| 270 | acpf = 0x19066; |
| 271 | } else { |
| 272 | acpf = 0x1e000; |
| 273 | } |
| 274 | if (audio_clock_tweak > -1024 && audio_clock_tweak < 1024) |
| 275 | tweak = audio_clock_tweak; |
| 276 | |
| 277 | if (note) |
| 278 | dprintk("tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n", |
| 279 | note,audio->name, |
| 280 | audio->carr1 / 1000, audio->carr1 % 1000, |
| 281 | audio->carr2 / 1000, audio->carr2 % 1000, |
| 282 | acpf, tweak); |
| 283 | |
| 284 | acpf += tweak; |
| 285 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0, (acpf & 0x0000ff) >> 0); |
| 286 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1, (acpf & 0x00ff00) >> 8); |
| 287 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2, (acpf & 0x030000) >> 16); |
| 288 | tvaudio_setcarrier(dev,audio->carr1,audio->carr2); |
| 289 | |
| 290 | switch (audio->mode) { |
| 291 | case TVAUDIO_FM_MONO: |
| 292 | case TVAUDIO_FM_BG_STEREO: |
| 293 | saa_writeb(SAA7134_DEMODULATOR, 0x00); |
| 294 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); |
| 295 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); |
| 296 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); |
| 297 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); |
| 298 | break; |
| 299 | case TVAUDIO_FM_K_STEREO: |
| 300 | saa_writeb(SAA7134_DEMODULATOR, 0x00); |
| 301 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x01); |
| 302 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); |
| 303 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); |
| 304 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); |
| 305 | break; |
| 306 | case TVAUDIO_NICAM_FM: |
| 307 | saa_writeb(SAA7134_DEMODULATOR, 0x10); |
| 308 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); |
| 309 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); |
| 310 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); |
| 311 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); |
| 312 | break; |
| 313 | case TVAUDIO_NICAM_AM: |
| 314 | saa_writeb(SAA7134_DEMODULATOR, 0x12); |
| 315 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); |
| 316 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); |
| 317 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); |
| 318 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); |
| 319 | break; |
| 320 | case TVAUDIO_FM_SAT_STEREO: |
| 321 | /* not implemented (yet) */ |
| 322 | break; |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | static int tvaudio_sleep(struct saa7134_dev *dev, int timeout) |
| 327 | { |
| 328 | DECLARE_WAITQUEUE(wait, current); |
| 329 | |
| 330 | add_wait_queue(&dev->thread.wq, &wait); |
| 331 | if (dev->thread.scan1 == dev->thread.scan2 && !dev->thread.shutdown) { |
| 332 | if (timeout < 0) { |
| 333 | set_current_state(TASK_INTERRUPTIBLE); |
| 334 | schedule(); |
| 335 | } else { |
| 336 | #if 0 |
| 337 | /* hmm, that one doesn't return on wakeup ... */ |
| 338 | msleep_interruptible(timeout); |
| 339 | #else |
| 340 | set_current_state(TASK_INTERRUPTIBLE); |
| 341 | schedule_timeout(msecs_to_jiffies(timeout)); |
| 342 | #endif |
| 343 | } |
| 344 | } |
| 345 | remove_wait_queue(&dev->thread.wq, &wait); |
| 346 | return dev->thread.scan1 != dev->thread.scan2; |
| 347 | } |
| 348 | |
| 349 | static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan) |
| 350 | { |
| 351 | __s32 left,right,value; |
| 352 | |
| 353 | if (audio_debug > 1) { |
| 354 | int i; |
| 355 | dprintk("debug %d:",scan->carr); |
| 356 | for (i = -150; i <= 150; i += 30) { |
| 357 | tvaudio_setcarrier(dev,scan->carr+i,scan->carr+i); |
| 358 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); |
| 359 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) |
| 360 | return -1; |
| 361 | value = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); |
| 362 | if (0 == i) |
| 363 | printk(" # %6d # ",value >> 16); |
| 364 | else |
| 365 | printk(" %6d",value >> 16); |
| 366 | } |
| 367 | printk("\n"); |
| 368 | } |
| 369 | |
| 370 | if (dev->tvnorm->id & scan->std) { |
| 371 | tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90); |
| 372 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); |
| 373 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) |
| 374 | return -1; |
| 375 | left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); |
| 376 | |
| 377 | tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90); |
| 378 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); |
| 379 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) |
| 380 | return -1; |
| 381 | right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); |
| 382 | |
| 383 | left >>= 16; |
| 384 | right >>= 16; |
| 385 | value = left > right ? left - right : right - left; |
| 386 | dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n", |
| 387 | scan->carr / 1000, scan->carr % 1000, |
| 388 | scan->name, value, left, right); |
| 389 | } else { |
| 390 | value = 0; |
| 391 | dprintk("skipping %d.%03d MHz [%4s]\n", |
| 392 | scan->carr / 1000, scan->carr % 1000, scan->name); |
| 393 | } |
| 394 | return value; |
| 395 | } |
| 396 | |
| 397 | #if 0 |
| 398 | static void sifdebug_dump_regs(struct saa7134_dev *dev) |
| 399 | { |
| 400 | print_regb(AUDIO_STATUS); |
| 401 | print_regb(IDENT_SIF); |
| 402 | print_regb(LEVEL_READOUT1); |
| 403 | print_regb(LEVEL_READOUT2); |
| 404 | print_regb(DCXO_IDENT_CTRL); |
| 405 | print_regb(DEMODULATOR); |
| 406 | print_regb(AGC_GAIN_SELECT); |
| 407 | print_regb(MONITOR_SELECT); |
| 408 | print_regb(FM_DEEMPHASIS); |
| 409 | print_regb(FM_DEMATRIX); |
| 410 | print_regb(SIF_SAMPLE_FREQ); |
| 411 | print_regb(ANALOG_IO_SELECT); |
| 412 | } |
| 413 | #endif |
| 414 | |
| 415 | static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio) |
| 416 | { |
| 417 | __u32 idp,nicam; |
| 418 | int retval = -1; |
| 419 | |
| 420 | switch (audio->mode) { |
| 421 | case TVAUDIO_FM_MONO: |
| 422 | return V4L2_TUNER_SUB_MONO; |
| 423 | case TVAUDIO_FM_K_STEREO: |
| 424 | case TVAUDIO_FM_BG_STEREO: |
| 425 | idp = (saa_readb(SAA7134_IDENT_SIF) & 0xe0) >> 5; |
| 426 | dprintk("getstereo: fm/stereo: idp=0x%x\n",idp); |
| 427 | if (0x03 == (idp & 0x03)) |
| 428 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
| 429 | else if (0x05 == (idp & 0x05)) |
| 430 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; |
| 431 | else if (0x01 == (idp & 0x01)) |
| 432 | retval = V4L2_TUNER_SUB_MONO; |
| 433 | break; |
| 434 | case TVAUDIO_FM_SAT_STEREO: |
| 435 | /* not implemented (yet) */ |
| 436 | break; |
| 437 | case TVAUDIO_NICAM_FM: |
| 438 | case TVAUDIO_NICAM_AM: |
| 439 | nicam = saa_readb(SAA7134_NICAM_STATUS); |
| 440 | dprintk("getstereo: nicam=0x%x\n",nicam); |
| 441 | switch (nicam & 0x0b) { |
| 442 | case 0x09: |
| 443 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
| 444 | break; |
| 445 | case 0x0a: |
| 446 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; |
| 447 | break; |
| 448 | case 0x08: |
| 449 | default: |
| 450 | retval = V4L2_TUNER_SUB_MONO; |
| 451 | break; |
| 452 | } |
| 453 | break; |
| 454 | } |
| 455 | if (retval != -1) |
| 456 | dprintk("found audio subchannels:%s%s%s%s\n", |
| 457 | (retval & V4L2_TUNER_SUB_MONO) ? " mono" : "", |
| 458 | (retval & V4L2_TUNER_SUB_STEREO) ? " stereo" : "", |
| 459 | (retval & V4L2_TUNER_SUB_LANG1) ? " lang1" : "", |
| 460 | (retval & V4L2_TUNER_SUB_LANG2) ? " lang2" : ""); |
| 461 | return retval; |
| 462 | } |
| 463 | |
| 464 | static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio, |
| 465 | u32 mode) |
| 466 | { |
| 467 | static char *name[] = { |
| 468 | [ V4L2_TUNER_MODE_MONO ] = "mono", |
| 469 | [ V4L2_TUNER_MODE_STEREO ] = "stereo", |
| 470 | [ V4L2_TUNER_MODE_LANG1 ] = "lang1", |
| 471 | [ V4L2_TUNER_MODE_LANG2 ] = "lang2", |
| 472 | }; |
| 473 | static u32 fm[] = { |
| 474 | [ V4L2_TUNER_MODE_MONO ] = 0x00, /* ch1 */ |
| 475 | [ V4L2_TUNER_MODE_STEREO ] = 0x80, /* auto */ |
| 476 | [ V4L2_TUNER_MODE_LANG1 ] = 0x00, /* ch1 */ |
| 477 | [ V4L2_TUNER_MODE_LANG2 ] = 0x01, /* ch2 */ |
| 478 | }; |
| 479 | u32 reg; |
| 480 | |
| 481 | switch (audio->mode) { |
| 482 | case TVAUDIO_FM_MONO: |
| 483 | /* nothing to do ... */ |
| 484 | break; |
| 485 | case TVAUDIO_FM_K_STEREO: |
| 486 | case TVAUDIO_FM_BG_STEREO: |
| 487 | dprintk("setstereo [fm] => %s\n", |
| 488 | name[ mode % ARRAY_SIZE(name) ]); |
| 489 | reg = fm[ mode % ARRAY_SIZE(fm) ]; |
| 490 | saa_writeb(SAA7134_FM_DEMATRIX, reg); |
| 491 | break; |
| 492 | case TVAUDIO_FM_SAT_STEREO: |
| 493 | case TVAUDIO_NICAM_AM: |
| 494 | case TVAUDIO_NICAM_FM: |
| 495 | /* FIXME */ |
| 496 | break; |
| 497 | } |
| 498 | return 0; |
| 499 | } |
| 500 | |
| 501 | static int tvaudio_thread(void *data) |
| 502 | { |
| 503 | struct saa7134_dev *dev = data; |
| 504 | int carr_vals[ARRAY_SIZE(mainscan)]; |
| 505 | unsigned int i, audio, nscan; |
| 506 | int max1,max2,carrier,rx,mode,lastmode,default_carrier; |
| 507 | |
| 508 | daemonize("%s", dev->name); |
| 509 | allow_signal(SIGTERM); |
| 510 | for (;;) { |
| 511 | tvaudio_sleep(dev,-1); |
| 512 | if (dev->thread.shutdown || signal_pending(current)) |
| 513 | goto done; |
| 514 | |
| 515 | restart: |
| 516 | dev->thread.scan1 = dev->thread.scan2; |
| 517 | dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); |
| 518 | dev->tvaudio = NULL; |
| 519 | tvaudio_init(dev); |
| 520 | if (dev->ctl_automute) |
| 521 | dev->automute = 1; |
| 522 | mute_input_7134(dev); |
| 523 | |
| 524 | /* give the tuner some time */ |
| 525 | if (tvaudio_sleep(dev,SCAN_INITIAL_DELAY)) |
| 526 | goto restart; |
| 527 | |
| 528 | max1 = 0; |
| 529 | max2 = 0; |
| 530 | nscan = 0; |
| 531 | carrier = 0; |
| 532 | default_carrier = 0; |
| 533 | for (i = 0; i < ARRAY_SIZE(mainscan); i++) { |
| 534 | if (!(dev->tvnorm->id & mainscan[i].std)) |
| 535 | continue; |
| 536 | if (!default_carrier) |
| 537 | default_carrier = mainscan[i].carr; |
| 538 | nscan++; |
| 539 | } |
| 540 | |
| 541 | if (1 == nscan) { |
| 542 | /* only one candidate -- skip scan ;) */ |
| 543 | max1 = 12345; |
| 544 | carrier = default_carrier; |
| 545 | } else { |
| 546 | /* scan for the main carrier */ |
| 547 | saa_writeb(SAA7134_MONITOR_SELECT,0x00); |
| 548 | tvaudio_setmode(dev,&tvaudio[0],NULL); |
| 549 | for (i = 0; i < ARRAY_SIZE(mainscan); i++) { |
| 550 | carr_vals[i] = tvaudio_checkcarrier(dev, mainscan+i); |
| 551 | if (dev->thread.scan1 != dev->thread.scan2) |
| 552 | goto restart; |
| 553 | } |
| 554 | for (max1 = 0, max2 = 0, i = 0; i < ARRAY_SIZE(mainscan); i++) { |
| 555 | if (max1 < carr_vals[i]) { |
| 556 | max2 = max1; |
| 557 | max1 = carr_vals[i]; |
| 558 | carrier = mainscan[i].carr; |
| 559 | } else if (max2 < carr_vals[i]) { |
| 560 | max2 = carr_vals[i]; |
| 561 | } |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | if (0 != carrier && max1 > 2000 && max1 > max2*3) { |
| 566 | /* found good carrier */ |
| 567 | dprintk("found %s main sound carrier @ %d.%03d MHz [%d/%d]\n", |
| 568 | dev->tvnorm->name, carrier/1000, carrier%1000, |
| 569 | max1, max2); |
| 570 | dev->last_carrier = carrier; |
| 571 | |
| 572 | } else if (0 != dev->last_carrier) { |
| 573 | /* no carrier -- try last detected one as fallback */ |
| 574 | carrier = dev->last_carrier; |
| 575 | printk(KERN_WARNING "%s/audio: audio carrier scan failed, " |
| 576 | "using %d.%03d MHz [last detected]\n", |
| 577 | dev->name, carrier/1000, carrier%1000); |
| 578 | |
| 579 | } else { |
| 580 | /* no carrier + no fallback -- use default */ |
| 581 | carrier = default_carrier; |
| 582 | printk(KERN_WARNING "%s/audio: audio carrier scan failed, " |
| 583 | "using %d.%03d MHz [default]\n", |
| 584 | dev->name, carrier/1000, carrier%1000); |
| 585 | } |
| 586 | tvaudio_setcarrier(dev,carrier,carrier); |
| 587 | dev->automute = 0; |
| 588 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00); |
| 589 | saa7134_tvaudio_setmute(dev); |
| 590 | |
| 591 | /* find the exact tv audio norm */ |
| 592 | for (audio = UNSET, i = 0; i < TVAUDIO; i++) { |
| 593 | if (dev->tvnorm->id != UNSET && |
| 594 | !(dev->tvnorm->id & tvaudio[i].std)) |
| 595 | continue; |
| 596 | if (tvaudio[i].carr1 != carrier) |
| 597 | continue; |
| 598 | |
| 599 | if (UNSET == audio) |
| 600 | audio = i; |
| 601 | tvaudio_setmode(dev,&tvaudio[i],"trying"); |
| 602 | if (tvaudio_sleep(dev,SCAN_SUBCARRIER_DELAY)) |
| 603 | goto restart; |
| 604 | if (-1 != tvaudio_getstereo(dev,&tvaudio[i])) { |
| 605 | audio = i; |
| 606 | break; |
| 607 | } |
| 608 | } |
| 609 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x30); |
| 610 | if (UNSET == audio) |
| 611 | continue; |
| 612 | tvaudio_setmode(dev,&tvaudio[audio],"using"); |
| 613 | tvaudio_setstereo(dev,&tvaudio[audio],V4L2_TUNER_MODE_MONO); |
| 614 | dev->tvaudio = &tvaudio[audio]; |
| 615 | |
| 616 | lastmode = 42; |
| 617 | for (;;) { |
| 618 | if (tvaudio_sleep(dev,5000)) |
| 619 | goto restart; |
| 620 | if (dev->thread.shutdown || signal_pending(current)) |
| 621 | break; |
| 622 | if (UNSET == dev->thread.mode) { |
| 623 | rx = tvaudio_getstereo(dev,&tvaudio[i]); |
| 624 | mode = saa7134_tvaudio_rx2mode(rx); |
| 625 | } else { |
| 626 | mode = dev->thread.mode; |
| 627 | } |
| 628 | if (lastmode != mode) { |
| 629 | tvaudio_setstereo(dev,&tvaudio[audio],mode); |
| 630 | lastmode = mode; |
| 631 | } |
| 632 | } |
| 633 | } |
| 634 | |
| 635 | done: |
| 636 | complete_and_exit(&dev->thread.exit, 0); |
| 637 | return 0; |
| 638 | } |
| 639 | |
| 640 | /* ------------------------------------------------------------------ */ |
| 641 | /* saa7133 / saa7135 code */ |
| 642 | |
| 643 | static char *stdres[0x20] = { |
| 644 | [0x00] = "no standard detected", |
| 645 | [0x01] = "B/G (in progress)", |
| 646 | [0x02] = "D/K (in progress)", |
| 647 | [0x03] = "M (in progress)", |
| 648 | |
| 649 | [0x04] = "B/G A2", |
| 650 | [0x05] = "B/G NICAM", |
| 651 | [0x06] = "D/K A2 (1)", |
| 652 | [0x07] = "D/K A2 (2)", |
| 653 | [0x08] = "D/K A2 (3)", |
| 654 | [0x09] = "D/K NICAM", |
| 655 | [0x0a] = "L NICAM", |
| 656 | [0x0b] = "I NICAM", |
| 657 | |
| 658 | [0x0c] = "M Korea", |
| 659 | [0x0d] = "M BTSC ", |
| 660 | [0x0e] = "M EIAJ", |
| 661 | |
| 662 | [0x0f] = "FM radio / IF 10.7 / 50 deemp", |
| 663 | [0x10] = "FM radio / IF 10.7 / 75 deemp", |
| 664 | [0x11] = "FM radio / IF sel / 50 deemp", |
| 665 | [0x12] = "FM radio / IF sel / 75 deemp", |
| 666 | |
| 667 | [0x13 ... 0x1e ] = "unknown", |
| 668 | [0x1f] = "??? [in progress]", |
| 669 | }; |
| 670 | |
| 671 | #define DSP_RETRY 32 |
| 672 | #define DSP_DELAY 16 |
| 673 | |
| 674 | static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit) |
| 675 | { |
| 676 | int state, count = DSP_RETRY; |
| 677 | |
| 678 | state = saa_readb(SAA7135_DSP_RWSTATE); |
| 679 | if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) { |
| 680 | printk("%s: dsp access error\n",dev->name); |
| 681 | /* FIXME: send ack ... */ |
| 682 | return -EIO; |
| 683 | } |
| 684 | while (0 == (state & bit)) { |
| 685 | if (unlikely(0 == count)) { |
| 686 | printk("%s: dsp access wait timeout [bit=%s]\n", |
| 687 | dev->name, |
| 688 | (bit & SAA7135_DSP_RWSTATE_WRR) ? "WRR" : |
| 689 | (bit & SAA7135_DSP_RWSTATE_RDB) ? "RDB" : |
| 690 | (bit & SAA7135_DSP_RWSTATE_IDA) ? "IDA" : |
| 691 | "???"); |
| 692 | return -EIO; |
| 693 | } |
| 694 | saa_wait(DSP_DELAY); |
| 695 | state = saa_readb(SAA7135_DSP_RWSTATE); |
| 696 | count--; |
| 697 | } |
| 698 | return 0; |
| 699 | } |
| 700 | |
| 701 | #if 0 |
| 702 | static int saa_dsp_readl(struct saa7134_dev *dev, int reg, u32 *value) |
| 703 | { |
| 704 | int err; |
| 705 | |
| 706 | d2printk("dsp read reg 0x%x\n", reg<<2); |
| 707 | saa_readl(reg); |
| 708 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_RDB); |
| 709 | if (err < 0) |
| 710 | return err; |
| 711 | *value = saa_readl(reg); |
| 712 | d2printk("dsp read => 0x%06x\n", *value & 0xffffff); |
| 713 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_IDA); |
| 714 | if (err < 0) |
| 715 | return err; |
| 716 | return 0; |
| 717 | } |
| 718 | #endif |
| 719 | |
| 720 | int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value) |
| 721 | { |
| 722 | int err; |
| 723 | |
| 724 | d2printk("dsp write reg 0x%x = 0x%06x\n",reg<<2,value); |
| 725 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); |
| 726 | if (err < 0) |
| 727 | return err; |
| 728 | saa_writel(reg,value); |
| 729 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); |
| 730 | if (err < 0) |
| 731 | return err; |
| 732 | return 0; |
| 733 | } |
| 734 | |
| 735 | static int getstereo_7133(struct saa7134_dev *dev) |
| 736 | { |
| 737 | int retval = V4L2_TUNER_SUB_MONO; |
| 738 | u32 value; |
| 739 | |
| 740 | value = saa_readl(0x528 >> 2); |
| 741 | if (value & 0x20) |
| 742 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; |
| 743 | if (value & 0x40) |
| 744 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
| 745 | return retval; |
| 746 | } |
| 747 | |
| 748 | static int mute_input_7133(struct saa7134_dev *dev) |
| 749 | { |
| 750 | u32 reg = 0; |
| 751 | int mask; |
| 752 | |
| 753 | switch (dev->input->amux) { |
| 754 | case TV: |
| 755 | reg = 0x02; |
| 756 | break; |
| 757 | case LINE1: |
| 758 | reg = 0x00; |
| 759 | break; |
| 760 | case LINE2: |
| 761 | case LINE2_LEFT: |
| 762 | reg = 0x01; |
| 763 | break; |
| 764 | } |
| 765 | if (dev->ctl_mute) |
| 766 | reg = 0x07; |
| 767 | saa_writel(0x594 >> 2, reg); |
| 768 | |
| 769 | /* switch gpio-connected external audio mux */ |
| 770 | if (0 != card(dev).gpiomask) { |
| 771 | mask = card(dev).gpiomask; |
| 772 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); |
| 773 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, dev->input->gpio); |
| 774 | saa7134_track_gpio(dev,dev->input->name); |
| 775 | } |
| 776 | return 0; |
| 777 | } |
| 778 | |
| 779 | static int tvaudio_thread_ddep(void *data) |
| 780 | { |
| 781 | struct saa7134_dev *dev = data; |
| 782 | u32 value, norms, clock; |
| 783 | |
| 784 | daemonize("%s", dev->name); |
| 785 | allow_signal(SIGTERM); |
| 786 | |
| 787 | clock = saa7134_boards[dev->board].audio_clock; |
| 788 | if (UNSET != audio_clock_override) |
| 789 | clock = audio_clock_override; |
| 790 | saa_writel(0x598 >> 2, clock); |
| 791 | |
| 792 | /* unmute */ |
| 793 | saa_dsp_writel(dev, 0x474 >> 2, 0x00); |
| 794 | saa_dsp_writel(dev, 0x450 >> 2, 0x00); |
| 795 | |
| 796 | for (;;) { |
| 797 | tvaudio_sleep(dev,-1); |
| 798 | if (dev->thread.shutdown || signal_pending(current)) |
| 799 | goto done; |
| 800 | |
| 801 | restart: |
| 802 | dev->thread.scan1 = dev->thread.scan2; |
| 803 | dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); |
| 804 | |
| 805 | if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) { |
| 806 | /* insmod option override */ |
| 807 | norms = (audio_ddep << 2) | 0x01; |
| 808 | dprintk("ddep override: %s\n",stdres[audio_ddep]); |
| 809 | } else if (&card(dev).radio == dev->input) { |
| 810 | dprintk("FM Radio\n"); |
| 811 | norms = (0x0f << 2) | 0x01; |
| 812 | } else { |
| 813 | /* (let chip) scan for sound carrier */ |
| 814 | norms = 0; |
| 815 | if (dev->tvnorm->id & V4L2_STD_PAL) { |
| 816 | dprintk("PAL scan\n"); |
| 817 | norms |= 0x2c; /* B/G + D/K + I */ |
| 818 | } |
| 819 | if (dev->tvnorm->id & V4L2_STD_NTSC) { |
| 820 | dprintk("NTSC scan\n"); |
| 821 | norms |= 0x40; /* M */ |
| 822 | } |
| 823 | if (dev->tvnorm->id & V4L2_STD_SECAM) { |
| 824 | dprintk("SECAM scan\n"); |
| 825 | norms |= 0x18; /* L + D/K */ |
| 826 | } |
| 827 | if (0 == norms) |
| 828 | norms = 0x7c; /* all */ |
| 829 | dprintk("scanning:%s%s%s%s%s\n", |
| 830 | (norms & 0x04) ? " B/G" : "", |
| 831 | (norms & 0x08) ? " D/K" : "", |
| 832 | (norms & 0x10) ? " L/L'" : "", |
| 833 | (norms & 0x20) ? " I" : "", |
| 834 | (norms & 0x40) ? " M" : ""); |
| 835 | } |
| 836 | |
| 837 | /* kick automatic standard detection */ |
| 838 | saa_dsp_writel(dev, 0x454 >> 2, 0); |
| 839 | saa_dsp_writel(dev, 0x454 >> 2, norms | 0x80); |
| 840 | |
| 841 | /* setup crossbars */ |
| 842 | saa_dsp_writel(dev, 0x464 >> 2, 0x000000); |
| 843 | saa_dsp_writel(dev, 0x470 >> 2, 0x101010); |
| 844 | |
| 845 | if (tvaudio_sleep(dev,3000)) |
| 846 | goto restart; |
| 847 | value = saa_readl(0x528 >> 2) & 0xffffff; |
| 848 | |
| 849 | dprintk("tvaudio thread status: 0x%x [%s%s%s]\n", |
| 850 | value, stdres[value & 0x1f], |
| 851 | (value & 0x000020) ? ",stereo" : "", |
| 852 | (value & 0x000040) ? ",dual" : ""); |
| 853 | dprintk("detailed status: " |
| 854 | "%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n", |
| 855 | (value & 0x000080) ? " A2/EIAJ pilot tone " : "", |
| 856 | (value & 0x000100) ? " A2/EIAJ dual " : "", |
| 857 | (value & 0x000200) ? " A2/EIAJ stereo " : "", |
| 858 | (value & 0x000400) ? " A2/EIAJ noise mute " : "", |
| 859 | |
| 860 | (value & 0x000800) ? " BTSC/FM radio pilot " : "", |
| 861 | (value & 0x001000) ? " SAP carrier " : "", |
| 862 | (value & 0x002000) ? " BTSC stereo noise mute " : "", |
| 863 | (value & 0x004000) ? " SAP noise mute " : "", |
| 864 | (value & 0x008000) ? " VDSP " : "", |
| 865 | |
| 866 | (value & 0x010000) ? " NICST " : "", |
| 867 | (value & 0x020000) ? " NICDU " : "", |
| 868 | (value & 0x040000) ? " NICAM muted " : "", |
| 869 | (value & 0x080000) ? " NICAM reserve sound " : "", |
| 870 | |
| 871 | (value & 0x100000) ? " init done " : ""); |
| 872 | } |
| 873 | |
| 874 | done: |
| 875 | complete_and_exit(&dev->thread.exit, 0); |
| 876 | return 0; |
| 877 | } |
| 878 | |
| 879 | /* ------------------------------------------------------------------ */ |
| 880 | /* common stuff + external entry points */ |
| 881 | |
| 882 | static void saa7134_enable_i2s(struct saa7134_dev *dev) |
| 883 | { |
| 884 | int i2s_format; |
| 885 | |
| 886 | if (!card_is_empress(dev)) |
| 887 | return; |
| 888 | i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01; |
| 889 | |
| 890 | /* enable I2S audio output for the mpeg encoder */ |
| 891 | saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80); |
| 892 | saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format); |
| 893 | saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F); |
| 894 | saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01); |
| 895 | } |
| 896 | |
| 897 | int saa7134_tvaudio_rx2mode(u32 rx) |
| 898 | { |
| 899 | u32 mode; |
| 900 | |
| 901 | mode = V4L2_TUNER_MODE_MONO; |
| 902 | if (rx & V4L2_TUNER_SUB_STEREO) |
| 903 | mode = V4L2_TUNER_MODE_STEREO; |
| 904 | else if (rx & V4L2_TUNER_SUB_LANG1) |
| 905 | mode = V4L2_TUNER_MODE_LANG1; |
| 906 | else if (rx & V4L2_TUNER_SUB_LANG2) |
| 907 | mode = V4L2_TUNER_MODE_LANG2; |
| 908 | return mode; |
| 909 | } |
| 910 | |
| 911 | void saa7134_tvaudio_setmute(struct saa7134_dev *dev) |
| 912 | { |
| 913 | switch (dev->pci->device) { |
| 914 | case PCI_DEVICE_ID_PHILIPS_SAA7130: |
| 915 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 916 | mute_input_7134(dev); |
| 917 | break; |
| 918 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 919 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 920 | mute_input_7133(dev); |
| 921 | break; |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | void saa7134_tvaudio_setinput(struct saa7134_dev *dev, |
| 926 | struct saa7134_input *in) |
| 927 | { |
| 928 | dev->input = in; |
| 929 | switch (dev->pci->device) { |
| 930 | case PCI_DEVICE_ID_PHILIPS_SAA7130: |
| 931 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 932 | mute_input_7134(dev); |
| 933 | break; |
| 934 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 935 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 936 | mute_input_7133(dev); |
| 937 | break; |
| 938 | } |
| 939 | saa7134_enable_i2s(dev); |
| 940 | } |
| 941 | |
| 942 | void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level) |
| 943 | { |
| 944 | switch (dev->pci->device) { |
| 945 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 946 | saa_writeb(SAA7134_CHANNEL1_LEVEL, level & 0x1f); |
| 947 | saa_writeb(SAA7134_CHANNEL2_LEVEL, level & 0x1f); |
| 948 | saa_writeb(SAA7134_NICAM_LEVEL_ADJUST, level & 0x1f); |
| 949 | break; |
| 950 | } |
| 951 | } |
| 952 | |
| 953 | int saa7134_tvaudio_getstereo(struct saa7134_dev *dev) |
| 954 | { |
| 955 | int retval = V4L2_TUNER_SUB_MONO; |
| 956 | |
| 957 | switch (dev->pci->device) { |
| 958 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 959 | if (dev->tvaudio) |
| 960 | retval = tvaudio_getstereo(dev,dev->tvaudio); |
| 961 | break; |
| 962 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 963 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 964 | retval = getstereo_7133(dev); |
| 965 | break; |
| 966 | } |
| 967 | return retval; |
| 968 | } |
| 969 | |
| 970 | int saa7134_tvaudio_init2(struct saa7134_dev *dev) |
| 971 | { |
| 972 | DECLARE_MUTEX_LOCKED(sem); |
| 973 | int (*my_thread)(void *data) = NULL; |
| 974 | |
| 975 | switch (dev->pci->device) { |
| 976 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 977 | my_thread = tvaudio_thread; |
| 978 | break; |
| 979 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 980 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 981 | my_thread = tvaudio_thread_ddep; |
| 982 | break; |
| 983 | } |
| 984 | |
| 985 | dev->thread.pid = -1; |
| 986 | if (my_thread) { |
| 987 | /* start tvaudio thread */ |
| 988 | init_waitqueue_head(&dev->thread.wq); |
| 989 | init_completion(&dev->thread.exit); |
| 990 | dev->thread.pid = kernel_thread(my_thread,dev,0); |
| 991 | if (dev->thread.pid < 0) |
| 992 | printk(KERN_WARNING "%s: kernel_thread() failed\n", |
| 993 | dev->name); |
| 994 | saa7134_tvaudio_do_scan(dev); |
| 995 | } |
| 996 | |
| 997 | saa7134_enable_i2s(dev); |
| 998 | return 0; |
| 999 | } |
| 1000 | |
| 1001 | int saa7134_tvaudio_fini(struct saa7134_dev *dev) |
| 1002 | { |
| 1003 | /* shutdown tvaudio thread */ |
| 1004 | if (dev->thread.pid >= 0) { |
| 1005 | dev->thread.shutdown = 1; |
| 1006 | wake_up_interruptible(&dev->thread.wq); |
| 1007 | wait_for_completion(&dev->thread.exit); |
| 1008 | } |
| 1009 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */ |
| 1010 | return 0; |
| 1011 | } |
| 1012 | |
| 1013 | int saa7134_tvaudio_do_scan(struct saa7134_dev *dev) |
| 1014 | { |
| 1015 | if (dev->thread.pid >= 0) { |
| 1016 | dev->thread.mode = UNSET; |
| 1017 | dev->thread.scan2++; |
| 1018 | wake_up_interruptible(&dev->thread.wq); |
| 1019 | } else { |
| 1020 | dev->automute = 0; |
| 1021 | saa7134_tvaudio_setmute(dev); |
| 1022 | } |
| 1023 | return 0; |
| 1024 | } |
| 1025 | |
| 1026 | /* ----------------------------------------------------------- */ |
| 1027 | /* |
| 1028 | * Local variables: |
| 1029 | * c-basic-offset: 8 |
| 1030 | * End: |
| 1031 | */ |