1 /* 2 * The driver for the ForteMedia FM801 based soundcards 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * 5 * Support FM only card by Andy Shevchenko <andy@smile.org.ua> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 * 21 */ 22 23 #include <linux/delay.h> 24 #include <linux/init.h> 25 #include <linux/interrupt.h> 26 #include <linux/io.h> 27 #include <linux/pci.h> 28 #include <linux/slab.h> 29 #include <linux/module.h> 30 #include <sound/core.h> 31 #include <sound/pcm.h> 32 #include <sound/tlv.h> 33 #include <sound/ac97_codec.h> 34 #include <sound/mpu401.h> 35 #include <sound/opl3.h> 36 #include <sound/initval.h> 37 38 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 39 #include <media/tea575x.h> 40 #endif 41 42 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 43 MODULE_DESCRIPTION("ForteMedia FM801"); 44 MODULE_LICENSE("GPL"); 45 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801}," 46 "{Genius,SoundMaker Live 5.1}}"); 47 48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 50 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 51 /* 52 * Enable TEA575x tuner 53 * 1 = MediaForte 256-PCS 54 * 2 = MediaForte 256-PCP 55 * 3 = MediaForte 64-PCR 56 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card 57 * High 16-bits are video (radio) device number + 1 58 */ 59 static int tea575x_tuner[SNDRV_CARDS]; 60 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; 61 62 module_param_array(index, int, NULL, 0444); 63 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard."); 64 module_param_array(id, charp, NULL, 0444); 65 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard."); 66 module_param_array(enable, bool, NULL, 0444); 67 MODULE_PARM_DESC(enable, "Enable FM801 soundcard."); 68 module_param_array(tea575x_tuner, int, NULL, 0444); 69 MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only)."); 70 module_param_array(radio_nr, int, NULL, 0444); 71 MODULE_PARM_DESC(radio_nr, "Radio device numbers"); 72 73 74 #define TUNER_DISABLED (1<<3) 75 #define TUNER_ONLY (1<<4) 76 #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF) 77 78 /* 79 * Direct registers 80 */ 81 82 #define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg) 83 #define fm801_readw(chip,reg) inw(chip->port + FM801_##reg) 84 85 #define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg) 86 87 #define FM801_PCM_VOL 0x00 /* PCM Output Volume */ 88 #define FM801_FM_VOL 0x02 /* FM Output Volume */ 89 #define FM801_I2S_VOL 0x04 /* I2S Volume */ 90 #define FM801_REC_SRC 0x06 /* Record Source */ 91 #define FM801_PLY_CTRL 0x08 /* Playback Control */ 92 #define FM801_PLY_COUNT 0x0a /* Playback Count */ 93 #define FM801_PLY_BUF1 0x0c /* Playback Bufer I */ 94 #define FM801_PLY_BUF2 0x10 /* Playback Buffer II */ 95 #define FM801_CAP_CTRL 0x14 /* Capture Control */ 96 #define FM801_CAP_COUNT 0x16 /* Capture Count */ 97 #define FM801_CAP_BUF1 0x18 /* Capture Buffer I */ 98 #define FM801_CAP_BUF2 0x1c /* Capture Buffer II */ 99 #define FM801_CODEC_CTRL 0x22 /* Codec Control */ 100 #define FM801_I2S_MODE 0x24 /* I2S Mode Control */ 101 #define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */ 102 #define FM801_I2C_CTRL 0x29 /* I2C Control */ 103 #define FM801_AC97_CMD 0x2a /* AC'97 Command */ 104 #define FM801_AC97_DATA 0x2c /* AC'97 Data */ 105 #define FM801_MPU401_DATA 0x30 /* MPU401 Data */ 106 #define FM801_MPU401_CMD 0x31 /* MPU401 Command */ 107 #define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */ 108 #define FM801_GEN_CTRL 0x54 /* General Control */ 109 #define FM801_IRQ_MASK 0x56 /* Interrupt Mask */ 110 #define FM801_IRQ_STATUS 0x5a /* Interrupt Status */ 111 #define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */ 112 #define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */ 113 #define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */ 114 #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */ 115 #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */ 116 117 /* codec access */ 118 #define FM801_AC97_READ (1<<7) /* read=1, write=0 */ 119 #define FM801_AC97_VALID (1<<8) /* port valid=1 */ 120 #define FM801_AC97_BUSY (1<<9) /* busy=1 */ 121 #define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */ 122 123 /* playback and record control register bits */ 124 #define FM801_BUF1_LAST (1<<1) 125 #define FM801_BUF2_LAST (1<<2) 126 #define FM801_START (1<<5) 127 #define FM801_PAUSE (1<<6) 128 #define FM801_IMMED_STOP (1<<7) 129 #define FM801_RATE_SHIFT 8 130 #define FM801_RATE_MASK (15 << FM801_RATE_SHIFT) 131 #define FM801_CHANNELS_4 (1<<12) /* playback only */ 132 #define FM801_CHANNELS_6 (2<<12) /* playback only */ 133 #define FM801_CHANNELS_6MS (3<<12) /* playback only */ 134 #define FM801_CHANNELS_MASK (3<<12) 135 #define FM801_16BIT (1<<14) 136 #define FM801_STEREO (1<<15) 137 138 /* IRQ status bits */ 139 #define FM801_IRQ_PLAYBACK (1<<8) 140 #define FM801_IRQ_CAPTURE (1<<9) 141 #define FM801_IRQ_VOLUME (1<<14) 142 #define FM801_IRQ_MPU (1<<15) 143 144 /* GPIO control register */ 145 #define FM801_GPIO_GP0 (1<<0) /* read/write */ 146 #define FM801_GPIO_GP1 (1<<1) 147 #define FM801_GPIO_GP2 (1<<2) 148 #define FM801_GPIO_GP3 (1<<3) 149 #define FM801_GPIO_GP(x) (1<<(0+(x))) 150 #define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/ 151 #define FM801_GPIO_GD1 (1<<9) 152 #define FM801_GPIO_GD2 (1<<10) 153 #define FM801_GPIO_GD3 (1<<11) 154 #define FM801_GPIO_GD(x) (1<<(8+(x))) 155 #define FM801_GPIO_GS0 (1<<12) /* function select: */ 156 #define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */ 157 #define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */ 158 #define FM801_GPIO_GS3 (1<<15) 159 #define FM801_GPIO_GS(x) (1<<(12+(x))) 160 161 /** 162 * struct fm801 - describes FM801 chip 163 * @port: I/O port number 164 * @multichannel: multichannel support 165 * @secondary: secondary codec 166 * @secondary_addr: address of the secondary codec 167 * @tea575x_tuner: tuner access method & flags 168 * @ply_ctrl: playback control 169 * @cap_ctrl: capture control 170 */ 171 struct fm801 { 172 int irq; 173 174 unsigned long port; 175 unsigned int multichannel: 1, 176 secondary: 1; 177 unsigned char secondary_addr; 178 unsigned int tea575x_tuner; 179 180 unsigned short ply_ctrl; 181 unsigned short cap_ctrl; 182 183 unsigned long ply_buffer; 184 unsigned int ply_buf; 185 unsigned int ply_count; 186 unsigned int ply_size; 187 unsigned int ply_pos; 188 189 unsigned long cap_buffer; 190 unsigned int cap_buf; 191 unsigned int cap_count; 192 unsigned int cap_size; 193 unsigned int cap_pos; 194 195 struct snd_ac97_bus *ac97_bus; 196 struct snd_ac97 *ac97; 197 struct snd_ac97 *ac97_sec; 198 199 struct pci_dev *pci; 200 struct snd_card *card; 201 struct snd_pcm *pcm; 202 struct snd_rawmidi *rmidi; 203 struct snd_pcm_substream *playback_substream; 204 struct snd_pcm_substream *capture_substream; 205 unsigned int p_dma_size; 206 unsigned int c_dma_size; 207 208 spinlock_t reg_lock; 209 struct snd_info_entry *proc_entry; 210 211 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 212 struct v4l2_device v4l2_dev; 213 struct snd_tea575x tea; 214 #endif 215 216 #ifdef CONFIG_PM_SLEEP 217 u16 saved_regs[0x20]; 218 #endif 219 }; 220 221 static const struct pci_device_id snd_fm801_ids[] = { 222 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */ 223 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */ 224 { 0, } 225 }; 226 227 MODULE_DEVICE_TABLE(pci, snd_fm801_ids); 228 229 /* 230 * common I/O routines 231 */ 232 233 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations) 234 { 235 unsigned int idx; 236 237 for (idx = 0; idx < iterations; idx++) { 238 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY)) 239 return true; 240 udelay(10); 241 } 242 return false; 243 } 244 245 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations) 246 { 247 unsigned int idx; 248 249 for (idx = 0; idx < iterations; idx++) { 250 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID) 251 return true; 252 udelay(10); 253 } 254 return false; 255 } 256 257 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg, 258 unsigned short mask, unsigned short value) 259 { 260 int change; 261 unsigned long flags; 262 unsigned short old, new; 263 264 spin_lock_irqsave(&chip->reg_lock, flags); 265 old = inw(chip->port + reg); 266 new = (old & ~mask) | value; 267 change = old != new; 268 if (change) 269 outw(new, chip->port + reg); 270 spin_unlock_irqrestore(&chip->reg_lock, flags); 271 return change; 272 } 273 274 static void snd_fm801_codec_write(struct snd_ac97 *ac97, 275 unsigned short reg, 276 unsigned short val) 277 { 278 struct fm801 *chip = ac97->private_data; 279 280 /* 281 * Wait until the codec interface is not ready.. 282 */ 283 if (!fm801_ac97_is_ready(chip, 100)) { 284 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n"); 285 return; 286 } 287 288 /* write data and address */ 289 fm801_writew(chip, AC97_DATA, val); 290 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT)); 291 /* 292 * Wait until the write command is not completed.. 293 */ 294 if (!fm801_ac97_is_ready(chip, 1000)) 295 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 296 ac97->num); 297 } 298 299 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg) 300 { 301 struct fm801 *chip = ac97->private_data; 302 303 /* 304 * Wait until the codec interface is not ready.. 305 */ 306 if (!fm801_ac97_is_ready(chip, 100)) { 307 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n"); 308 return 0; 309 } 310 311 /* read command */ 312 fm801_writew(chip, AC97_CMD, 313 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 314 if (!fm801_ac97_is_ready(chip, 100)) { 315 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 316 ac97->num); 317 return 0; 318 } 319 320 if (!fm801_ac97_is_valid(chip, 1000)) { 321 dev_err(chip->card->dev, 322 "AC'97 interface #%d is not valid (2)\n", ac97->num); 323 return 0; 324 } 325 326 return fm801_readw(chip, AC97_DATA); 327 } 328 329 static unsigned int rates[] = { 330 5500, 8000, 9600, 11025, 331 16000, 19200, 22050, 32000, 332 38400, 44100, 48000 333 }; 334 335 static struct snd_pcm_hw_constraint_list hw_constraints_rates = { 336 .count = ARRAY_SIZE(rates), 337 .list = rates, 338 .mask = 0, 339 }; 340 341 static unsigned int channels[] = { 342 2, 4, 6 343 }; 344 345 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 346 .count = ARRAY_SIZE(channels), 347 .list = channels, 348 .mask = 0, 349 }; 350 351 /* 352 * Sample rate routines 353 */ 354 355 static unsigned short snd_fm801_rate_bits(unsigned int rate) 356 { 357 unsigned int idx; 358 359 for (idx = 0; idx < ARRAY_SIZE(rates); idx++) 360 if (rates[idx] == rate) 361 return idx; 362 snd_BUG(); 363 return ARRAY_SIZE(rates) - 1; 364 } 365 366 /* 367 * PCM part 368 */ 369 370 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream, 371 int cmd) 372 { 373 struct fm801 *chip = snd_pcm_substream_chip(substream); 374 375 spin_lock(&chip->reg_lock); 376 switch (cmd) { 377 case SNDRV_PCM_TRIGGER_START: 378 chip->ply_ctrl &= ~(FM801_BUF1_LAST | 379 FM801_BUF2_LAST | 380 FM801_PAUSE); 381 chip->ply_ctrl |= FM801_START | 382 FM801_IMMED_STOP; 383 break; 384 case SNDRV_PCM_TRIGGER_STOP: 385 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE); 386 break; 387 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 388 case SNDRV_PCM_TRIGGER_SUSPEND: 389 chip->ply_ctrl |= FM801_PAUSE; 390 break; 391 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 392 case SNDRV_PCM_TRIGGER_RESUME: 393 chip->ply_ctrl &= ~FM801_PAUSE; 394 break; 395 default: 396 spin_unlock(&chip->reg_lock); 397 snd_BUG(); 398 return -EINVAL; 399 } 400 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 401 spin_unlock(&chip->reg_lock); 402 return 0; 403 } 404 405 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream, 406 int cmd) 407 { 408 struct fm801 *chip = snd_pcm_substream_chip(substream); 409 410 spin_lock(&chip->reg_lock); 411 switch (cmd) { 412 case SNDRV_PCM_TRIGGER_START: 413 chip->cap_ctrl &= ~(FM801_BUF1_LAST | 414 FM801_BUF2_LAST | 415 FM801_PAUSE); 416 chip->cap_ctrl |= FM801_START | 417 FM801_IMMED_STOP; 418 break; 419 case SNDRV_PCM_TRIGGER_STOP: 420 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE); 421 break; 422 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 423 case SNDRV_PCM_TRIGGER_SUSPEND: 424 chip->cap_ctrl |= FM801_PAUSE; 425 break; 426 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 427 case SNDRV_PCM_TRIGGER_RESUME: 428 chip->cap_ctrl &= ~FM801_PAUSE; 429 break; 430 default: 431 spin_unlock(&chip->reg_lock); 432 snd_BUG(); 433 return -EINVAL; 434 } 435 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 436 spin_unlock(&chip->reg_lock); 437 return 0; 438 } 439 440 static int snd_fm801_hw_params(struct snd_pcm_substream *substream, 441 struct snd_pcm_hw_params *hw_params) 442 { 443 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 444 } 445 446 static int snd_fm801_hw_free(struct snd_pcm_substream *substream) 447 { 448 return snd_pcm_lib_free_pages(substream); 449 } 450 451 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream) 452 { 453 struct fm801 *chip = snd_pcm_substream_chip(substream); 454 struct snd_pcm_runtime *runtime = substream->runtime; 455 456 chip->ply_size = snd_pcm_lib_buffer_bytes(substream); 457 chip->ply_count = snd_pcm_lib_period_bytes(substream); 458 spin_lock_irq(&chip->reg_lock); 459 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT | 460 FM801_STEREO | FM801_RATE_MASK | 461 FM801_CHANNELS_MASK); 462 if (snd_pcm_format_width(runtime->format) == 16) 463 chip->ply_ctrl |= FM801_16BIT; 464 if (runtime->channels > 1) { 465 chip->ply_ctrl |= FM801_STEREO; 466 if (runtime->channels == 4) 467 chip->ply_ctrl |= FM801_CHANNELS_4; 468 else if (runtime->channels == 6) 469 chip->ply_ctrl |= FM801_CHANNELS_6; 470 } 471 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 472 chip->ply_buf = 0; 473 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 474 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1); 475 chip->ply_buffer = runtime->dma_addr; 476 chip->ply_pos = 0; 477 fm801_writel(chip, PLY_BUF1, chip->ply_buffer); 478 fm801_writel(chip, PLY_BUF2, 479 chip->ply_buffer + (chip->ply_count % chip->ply_size)); 480 spin_unlock_irq(&chip->reg_lock); 481 return 0; 482 } 483 484 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream) 485 { 486 struct fm801 *chip = snd_pcm_substream_chip(substream); 487 struct snd_pcm_runtime *runtime = substream->runtime; 488 489 chip->cap_size = snd_pcm_lib_buffer_bytes(substream); 490 chip->cap_count = snd_pcm_lib_period_bytes(substream); 491 spin_lock_irq(&chip->reg_lock); 492 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT | 493 FM801_STEREO | FM801_RATE_MASK); 494 if (snd_pcm_format_width(runtime->format) == 16) 495 chip->cap_ctrl |= FM801_16BIT; 496 if (runtime->channels > 1) 497 chip->cap_ctrl |= FM801_STEREO; 498 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 499 chip->cap_buf = 0; 500 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 501 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1); 502 chip->cap_buffer = runtime->dma_addr; 503 chip->cap_pos = 0; 504 fm801_writel(chip, CAP_BUF1, chip->cap_buffer); 505 fm801_writel(chip, CAP_BUF2, 506 chip->cap_buffer + (chip->cap_count % chip->cap_size)); 507 spin_unlock_irq(&chip->reg_lock); 508 return 0; 509 } 510 511 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream) 512 { 513 struct fm801 *chip = snd_pcm_substream_chip(substream); 514 size_t ptr; 515 516 if (!(chip->ply_ctrl & FM801_START)) 517 return 0; 518 spin_lock(&chip->reg_lock); 519 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT); 520 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) { 521 ptr += chip->ply_count; 522 ptr %= chip->ply_size; 523 } 524 spin_unlock(&chip->reg_lock); 525 return bytes_to_frames(substream->runtime, ptr); 526 } 527 528 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream) 529 { 530 struct fm801 *chip = snd_pcm_substream_chip(substream); 531 size_t ptr; 532 533 if (!(chip->cap_ctrl & FM801_START)) 534 return 0; 535 spin_lock(&chip->reg_lock); 536 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT); 537 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) { 538 ptr += chip->cap_count; 539 ptr %= chip->cap_size; 540 } 541 spin_unlock(&chip->reg_lock); 542 return bytes_to_frames(substream->runtime, ptr); 543 } 544 545 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id) 546 { 547 struct fm801 *chip = dev_id; 548 unsigned short status; 549 unsigned int tmp; 550 551 status = fm801_readw(chip, IRQ_STATUS); 552 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME; 553 if (! status) 554 return IRQ_NONE; 555 /* ack first */ 556 fm801_writew(chip, IRQ_STATUS, status); 557 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) { 558 spin_lock(&chip->reg_lock); 559 chip->ply_buf++; 560 chip->ply_pos += chip->ply_count; 561 chip->ply_pos %= chip->ply_size; 562 tmp = chip->ply_pos + chip->ply_count; 563 tmp %= chip->ply_size; 564 if (chip->ply_buf & 1) 565 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp); 566 else 567 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp); 568 spin_unlock(&chip->reg_lock); 569 snd_pcm_period_elapsed(chip->playback_substream); 570 } 571 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) { 572 spin_lock(&chip->reg_lock); 573 chip->cap_buf++; 574 chip->cap_pos += chip->cap_count; 575 chip->cap_pos %= chip->cap_size; 576 tmp = chip->cap_pos + chip->cap_count; 577 tmp %= chip->cap_size; 578 if (chip->cap_buf & 1) 579 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp); 580 else 581 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp); 582 spin_unlock(&chip->reg_lock); 583 snd_pcm_period_elapsed(chip->capture_substream); 584 } 585 if (chip->rmidi && (status & FM801_IRQ_MPU)) 586 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 587 if (status & FM801_IRQ_VOLUME) 588 ;/* TODO */ 589 590 return IRQ_HANDLED; 591 } 592 593 static struct snd_pcm_hardware snd_fm801_playback = 594 { 595 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 596 SNDRV_PCM_INFO_BLOCK_TRANSFER | 597 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 598 SNDRV_PCM_INFO_MMAP_VALID), 599 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 600 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 601 .rate_min = 5500, 602 .rate_max = 48000, 603 .channels_min = 1, 604 .channels_max = 2, 605 .buffer_bytes_max = (128*1024), 606 .period_bytes_min = 64, 607 .period_bytes_max = (128*1024), 608 .periods_min = 1, 609 .periods_max = 1024, 610 .fifo_size = 0, 611 }; 612 613 static struct snd_pcm_hardware snd_fm801_capture = 614 { 615 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 616 SNDRV_PCM_INFO_BLOCK_TRANSFER | 617 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 618 SNDRV_PCM_INFO_MMAP_VALID), 619 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 620 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 621 .rate_min = 5500, 622 .rate_max = 48000, 623 .channels_min = 1, 624 .channels_max = 2, 625 .buffer_bytes_max = (128*1024), 626 .period_bytes_min = 64, 627 .period_bytes_max = (128*1024), 628 .periods_min = 1, 629 .periods_max = 1024, 630 .fifo_size = 0, 631 }; 632 633 static int snd_fm801_playback_open(struct snd_pcm_substream *substream) 634 { 635 struct fm801 *chip = snd_pcm_substream_chip(substream); 636 struct snd_pcm_runtime *runtime = substream->runtime; 637 int err; 638 639 chip->playback_substream = substream; 640 runtime->hw = snd_fm801_playback; 641 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 642 &hw_constraints_rates); 643 if (chip->multichannel) { 644 runtime->hw.channels_max = 6; 645 snd_pcm_hw_constraint_list(runtime, 0, 646 SNDRV_PCM_HW_PARAM_CHANNELS, 647 &hw_constraints_channels); 648 } 649 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 650 return err; 651 return 0; 652 } 653 654 static int snd_fm801_capture_open(struct snd_pcm_substream *substream) 655 { 656 struct fm801 *chip = snd_pcm_substream_chip(substream); 657 struct snd_pcm_runtime *runtime = substream->runtime; 658 int err; 659 660 chip->capture_substream = substream; 661 runtime->hw = snd_fm801_capture; 662 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 663 &hw_constraints_rates); 664 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 665 return err; 666 return 0; 667 } 668 669 static int snd_fm801_playback_close(struct snd_pcm_substream *substream) 670 { 671 struct fm801 *chip = snd_pcm_substream_chip(substream); 672 673 chip->playback_substream = NULL; 674 return 0; 675 } 676 677 static int snd_fm801_capture_close(struct snd_pcm_substream *substream) 678 { 679 struct fm801 *chip = snd_pcm_substream_chip(substream); 680 681 chip->capture_substream = NULL; 682 return 0; 683 } 684 685 static struct snd_pcm_ops snd_fm801_playback_ops = { 686 .open = snd_fm801_playback_open, 687 .close = snd_fm801_playback_close, 688 .ioctl = snd_pcm_lib_ioctl, 689 .hw_params = snd_fm801_hw_params, 690 .hw_free = snd_fm801_hw_free, 691 .prepare = snd_fm801_playback_prepare, 692 .trigger = snd_fm801_playback_trigger, 693 .pointer = snd_fm801_playback_pointer, 694 }; 695 696 static struct snd_pcm_ops snd_fm801_capture_ops = { 697 .open = snd_fm801_capture_open, 698 .close = snd_fm801_capture_close, 699 .ioctl = snd_pcm_lib_ioctl, 700 .hw_params = snd_fm801_hw_params, 701 .hw_free = snd_fm801_hw_free, 702 .prepare = snd_fm801_capture_prepare, 703 .trigger = snd_fm801_capture_trigger, 704 .pointer = snd_fm801_capture_pointer, 705 }; 706 707 static int snd_fm801_pcm(struct fm801 *chip, int device) 708 { 709 struct snd_pcm *pcm; 710 int err; 711 712 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0) 713 return err; 714 715 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops); 716 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops); 717 718 pcm->private_data = chip; 719 pcm->info_flags = 0; 720 strcpy(pcm->name, "FM801"); 721 chip->pcm = pcm; 722 723 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 724 snd_dma_pci_data(chip->pci), 725 chip->multichannel ? 128*1024 : 64*1024, 128*1024); 726 727 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 728 snd_pcm_alt_chmaps, 729 chip->multichannel ? 6 : 2, 0, 730 NULL); 731 } 732 733 /* 734 * TEA5757 radio 735 */ 736 737 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 738 739 /* GPIO to TEA575x maps */ 740 struct snd_fm801_tea575x_gpio { 741 u8 data, clk, wren, most; 742 char *name; 743 }; 744 745 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = { 746 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" }, 747 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" }, 748 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" }, 749 }; 750 751 #define get_tea575x_gpio(chip) \ 752 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1]) 753 754 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins) 755 { 756 struct fm801 *chip = tea->private_data; 757 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 758 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 759 760 reg &= ~(FM801_GPIO_GP(gpio.data) | 761 FM801_GPIO_GP(gpio.clk) | 762 FM801_GPIO_GP(gpio.wren)); 763 764 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0; 765 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0; 766 /* WRITE_ENABLE is inverted */ 767 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren); 768 769 fm801_writew(chip, GPIO_CTRL, reg); 770 } 771 772 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea) 773 { 774 struct fm801 *chip = tea->private_data; 775 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 776 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 777 u8 ret; 778 779 ret = 0; 780 if (reg & FM801_GPIO_GP(gpio.data)) 781 ret |= TEA575X_DATA; 782 if (reg & FM801_GPIO_GP(gpio.most)) 783 ret |= TEA575X_MOST; 784 return ret; 785 } 786 787 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output) 788 { 789 struct fm801 *chip = tea->private_data; 790 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 791 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 792 793 /* use GPIO lines and set write enable bit */ 794 reg |= FM801_GPIO_GS(gpio.data) | 795 FM801_GPIO_GS(gpio.wren) | 796 FM801_GPIO_GS(gpio.clk) | 797 FM801_GPIO_GS(gpio.most); 798 if (output) { 799 /* all of lines are in the write direction */ 800 /* clear data and clock lines */ 801 reg &= ~(FM801_GPIO_GD(gpio.data) | 802 FM801_GPIO_GD(gpio.wren) | 803 FM801_GPIO_GD(gpio.clk) | 804 FM801_GPIO_GP(gpio.data) | 805 FM801_GPIO_GP(gpio.clk) | 806 FM801_GPIO_GP(gpio.wren)); 807 } else { 808 /* use GPIO lines, set data direction to input */ 809 reg |= FM801_GPIO_GD(gpio.data) | 810 FM801_GPIO_GD(gpio.most) | 811 FM801_GPIO_GP(gpio.data) | 812 FM801_GPIO_GP(gpio.most) | 813 FM801_GPIO_GP(gpio.wren); 814 /* all of lines are in the write direction, except data */ 815 /* clear data, write enable and clock lines */ 816 reg &= ~(FM801_GPIO_GD(gpio.wren) | 817 FM801_GPIO_GD(gpio.clk) | 818 FM801_GPIO_GP(gpio.clk)); 819 } 820 821 fm801_writew(chip, GPIO_CTRL, reg); 822 } 823 824 static struct snd_tea575x_ops snd_fm801_tea_ops = { 825 .set_pins = snd_fm801_tea575x_set_pins, 826 .get_pins = snd_fm801_tea575x_get_pins, 827 .set_direction = snd_fm801_tea575x_set_direction, 828 }; 829 #endif 830 831 /* 832 * Mixer routines 833 */ 834 835 #define FM801_SINGLE(xname, reg, shift, mask, invert) \ 836 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \ 837 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \ 838 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 839 840 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol, 841 struct snd_ctl_elem_info *uinfo) 842 { 843 int mask = (kcontrol->private_value >> 16) & 0xff; 844 845 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 846 uinfo->count = 1; 847 uinfo->value.integer.min = 0; 848 uinfo->value.integer.max = mask; 849 return 0; 850 } 851 852 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol, 853 struct snd_ctl_elem_value *ucontrol) 854 { 855 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 856 int reg = kcontrol->private_value & 0xff; 857 int shift = (kcontrol->private_value >> 8) & 0xff; 858 int mask = (kcontrol->private_value >> 16) & 0xff; 859 int invert = (kcontrol->private_value >> 24) & 0xff; 860 861 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask; 862 if (invert) 863 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 864 return 0; 865 } 866 867 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol, 868 struct snd_ctl_elem_value *ucontrol) 869 { 870 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 871 int reg = kcontrol->private_value & 0xff; 872 int shift = (kcontrol->private_value >> 8) & 0xff; 873 int mask = (kcontrol->private_value >> 16) & 0xff; 874 int invert = (kcontrol->private_value >> 24) & 0xff; 875 unsigned short val; 876 877 val = (ucontrol->value.integer.value[0] & mask); 878 if (invert) 879 val = mask - val; 880 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift); 881 } 882 883 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ 884 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \ 885 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 886 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) } 887 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ 888 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 889 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 890 .name = xname, .info = snd_fm801_info_double, \ 891 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 892 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \ 893 .tlv = { .p = (xtlv) } } 894 895 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol, 896 struct snd_ctl_elem_info *uinfo) 897 { 898 int mask = (kcontrol->private_value >> 16) & 0xff; 899 900 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 901 uinfo->count = 2; 902 uinfo->value.integer.min = 0; 903 uinfo->value.integer.max = mask; 904 return 0; 905 } 906 907 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol, 908 struct snd_ctl_elem_value *ucontrol) 909 { 910 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 911 int reg = kcontrol->private_value & 0xff; 912 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 913 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 914 int mask = (kcontrol->private_value >> 16) & 0xff; 915 int invert = (kcontrol->private_value >> 24) & 0xff; 916 917 spin_lock_irq(&chip->reg_lock); 918 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask; 919 ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask; 920 spin_unlock_irq(&chip->reg_lock); 921 if (invert) { 922 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 923 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 924 } 925 return 0; 926 } 927 928 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol, 929 struct snd_ctl_elem_value *ucontrol) 930 { 931 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 932 int reg = kcontrol->private_value & 0xff; 933 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 934 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 935 int mask = (kcontrol->private_value >> 16) & 0xff; 936 int invert = (kcontrol->private_value >> 24) & 0xff; 937 unsigned short val1, val2; 938 939 val1 = ucontrol->value.integer.value[0] & mask; 940 val2 = ucontrol->value.integer.value[1] & mask; 941 if (invert) { 942 val1 = mask - val1; 943 val2 = mask - val2; 944 } 945 return snd_fm801_update_bits(chip, reg, 946 (mask << shift_left) | (mask << shift_right), 947 (val1 << shift_left ) | (val2 << shift_right)); 948 } 949 950 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol, 951 struct snd_ctl_elem_info *uinfo) 952 { 953 static const char * const texts[5] = { 954 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary" 955 }; 956 957 return snd_ctl_enum_info(uinfo, 1, 5, texts); 958 } 959 960 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol, 961 struct snd_ctl_elem_value *ucontrol) 962 { 963 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 964 unsigned short val; 965 966 val = fm801_readw(chip, REC_SRC) & 7; 967 if (val > 4) 968 val = 4; 969 ucontrol->value.enumerated.item[0] = val; 970 return 0; 971 } 972 973 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol, 974 struct snd_ctl_elem_value *ucontrol) 975 { 976 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 977 unsigned short val; 978 979 if ((val = ucontrol->value.enumerated.item[0]) > 4) 980 return -EINVAL; 981 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val); 982 } 983 984 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0); 985 986 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls) 987 988 static struct snd_kcontrol_new snd_fm801_controls[] = { 989 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1, 990 db_scale_dsp), 991 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1), 992 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1, 993 db_scale_dsp), 994 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1), 995 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1, 996 db_scale_dsp), 997 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1), 998 { 999 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1000 .name = "Digital Capture Source", 1001 .info = snd_fm801_info_mux, 1002 .get = snd_fm801_get_mux, 1003 .put = snd_fm801_put_mux, 1004 } 1005 }; 1006 1007 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi) 1008 1009 static struct snd_kcontrol_new snd_fm801_controls_multi[] = { 1010 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0), 1011 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0), 1012 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0), 1013 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0), 1014 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0), 1015 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0), 1016 }; 1017 1018 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1019 { 1020 struct fm801 *chip = bus->private_data; 1021 chip->ac97_bus = NULL; 1022 } 1023 1024 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97) 1025 { 1026 struct fm801 *chip = ac97->private_data; 1027 if (ac97->num == 0) { 1028 chip->ac97 = NULL; 1029 } else { 1030 chip->ac97_sec = NULL; 1031 } 1032 } 1033 1034 static int snd_fm801_mixer(struct fm801 *chip) 1035 { 1036 struct snd_ac97_template ac97; 1037 unsigned int i; 1038 int err; 1039 static struct snd_ac97_bus_ops ops = { 1040 .write = snd_fm801_codec_write, 1041 .read = snd_fm801_codec_read, 1042 }; 1043 1044 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1045 return err; 1046 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus; 1047 1048 memset(&ac97, 0, sizeof(ac97)); 1049 ac97.private_data = chip; 1050 ac97.private_free = snd_fm801_mixer_free_ac97; 1051 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1052 return err; 1053 if (chip->secondary) { 1054 ac97.num = 1; 1055 ac97.addr = chip->secondary_addr; 1056 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0) 1057 return err; 1058 } 1059 for (i = 0; i < FM801_CONTROLS; i++) 1060 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip)); 1061 if (chip->multichannel) { 1062 for (i = 0; i < FM801_CONTROLS_MULTI; i++) 1063 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip)); 1064 } 1065 return 0; 1066 } 1067 1068 /* 1069 * initialization routines 1070 */ 1071 1072 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id, 1073 unsigned short reg, unsigned long waits) 1074 { 1075 unsigned long timeout = jiffies + waits; 1076 1077 fm801_writew(chip, AC97_CMD, 1078 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 1079 udelay(5); 1080 do { 1081 if ((fm801_readw(chip, AC97_CMD) & 1082 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID) 1083 return 0; 1084 schedule_timeout_uninterruptible(1); 1085 } while (time_after(timeout, jiffies)); 1086 return -EIO; 1087 } 1088 1089 static int snd_fm801_chip_init(struct fm801 *chip, int resume) 1090 { 1091 unsigned short cmdw; 1092 1093 if (chip->tea575x_tuner & TUNER_ONLY) 1094 goto __ac97_ok; 1095 1096 /* codec cold reset + AC'97 warm reset */ 1097 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6)); 1098 fm801_readw(chip, CODEC_CTRL); /* flush posting data */ 1099 udelay(100); 1100 fm801_writew(chip, CODEC_CTRL, 0); 1101 1102 if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0) 1103 if (!resume) { 1104 dev_info(chip->card->dev, 1105 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n"); 1106 chip->tea575x_tuner = 3 | TUNER_ONLY; 1107 goto __ac97_ok; 1108 } 1109 1110 if (chip->multichannel) { 1111 if (chip->secondary_addr) { 1112 wait_for_codec(chip, chip->secondary_addr, 1113 AC97_VENDOR_ID1, msecs_to_jiffies(50)); 1114 } else { 1115 /* my card has the secondary codec */ 1116 /* at address #3, so the loop is inverted */ 1117 int i; 1118 for (i = 3; i > 0; i--) { 1119 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1, 1120 msecs_to_jiffies(50))) { 1121 cmdw = fm801_readw(chip, AC97_DATA); 1122 if (cmdw != 0xffff && cmdw != 0) { 1123 chip->secondary = 1; 1124 chip->secondary_addr = i; 1125 break; 1126 } 1127 } 1128 } 1129 } 1130 1131 /* the recovery phase, it seems that probing for non-existing codec might */ 1132 /* cause timeout problems */ 1133 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750)); 1134 } 1135 1136 __ac97_ok: 1137 1138 /* init volume */ 1139 fm801_writew(chip, PCM_VOL, 0x0808); 1140 fm801_writew(chip, FM_VOL, 0x9f1f); 1141 fm801_writew(chip, I2S_VOL, 0x8808); 1142 1143 /* I2S control - I2S mode */ 1144 fm801_writew(chip, I2S_MODE, 0x0003); 1145 1146 /* interrupt setup */ 1147 cmdw = fm801_readw(chip, IRQ_MASK); 1148 if (chip->irq < 0) 1149 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */ 1150 else 1151 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */ 1152 fm801_writew(chip, IRQ_MASK, cmdw); 1153 1154 /* interrupt clear */ 1155 fm801_writew(chip, IRQ_STATUS, 1156 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU); 1157 1158 return 0; 1159 } 1160 1161 1162 static int snd_fm801_free(struct fm801 *chip) 1163 { 1164 unsigned short cmdw; 1165 1166 if (chip->irq < 0) 1167 goto __end_hw; 1168 1169 /* interrupt setup - mask everything */ 1170 cmdw = fm801_readw(chip, IRQ_MASK); 1171 cmdw |= 0x00c3; 1172 fm801_writew(chip, IRQ_MASK, cmdw); 1173 1174 __end_hw: 1175 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1176 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1177 snd_tea575x_exit(&chip->tea); 1178 v4l2_device_unregister(&chip->v4l2_dev); 1179 } 1180 #endif 1181 if (chip->irq >= 0) 1182 free_irq(chip->irq, chip); 1183 pci_release_regions(chip->pci); 1184 pci_disable_device(chip->pci); 1185 1186 kfree(chip); 1187 return 0; 1188 } 1189 1190 static int snd_fm801_dev_free(struct snd_device *device) 1191 { 1192 struct fm801 *chip = device->device_data; 1193 return snd_fm801_free(chip); 1194 } 1195 1196 static int snd_fm801_create(struct snd_card *card, 1197 struct pci_dev *pci, 1198 int tea575x_tuner, 1199 int radio_nr, 1200 struct fm801 **rchip) 1201 { 1202 struct fm801 *chip; 1203 int err; 1204 static struct snd_device_ops ops = { 1205 .dev_free = snd_fm801_dev_free, 1206 }; 1207 1208 *rchip = NULL; 1209 if ((err = pci_enable_device(pci)) < 0) 1210 return err; 1211 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1212 if (chip == NULL) { 1213 pci_disable_device(pci); 1214 return -ENOMEM; 1215 } 1216 spin_lock_init(&chip->reg_lock); 1217 chip->card = card; 1218 chip->pci = pci; 1219 chip->irq = -1; 1220 chip->tea575x_tuner = tea575x_tuner; 1221 if ((err = pci_request_regions(pci, "FM801")) < 0) { 1222 kfree(chip); 1223 pci_disable_device(pci); 1224 return err; 1225 } 1226 chip->port = pci_resource_start(pci, 0); 1227 if ((tea575x_tuner & TUNER_ONLY) == 0) { 1228 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED, 1229 KBUILD_MODNAME, chip)) { 1230 dev_err(card->dev, "unable to grab IRQ %d\n", chip->irq); 1231 snd_fm801_free(chip); 1232 return -EBUSY; 1233 } 1234 chip->irq = pci->irq; 1235 pci_set_master(pci); 1236 } 1237 1238 if (pci->revision >= 0xb1) /* FM801-AU */ 1239 chip->multichannel = 1; 1240 1241 snd_fm801_chip_init(chip, 0); 1242 /* init might set tuner access method */ 1243 tea575x_tuner = chip->tea575x_tuner; 1244 1245 if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) { 1246 pci_clear_master(pci); 1247 free_irq(chip->irq, chip); 1248 chip->irq = -1; 1249 } 1250 1251 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1252 snd_fm801_free(chip); 1253 return err; 1254 } 1255 1256 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1257 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev); 1258 if (err < 0) { 1259 snd_fm801_free(chip); 1260 return err; 1261 } 1262 chip->tea.v4l2_dev = &chip->v4l2_dev; 1263 chip->tea.radio_nr = radio_nr; 1264 chip->tea.private_data = chip; 1265 chip->tea.ops = &snd_fm801_tea_ops; 1266 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci)); 1267 if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 && 1268 (tea575x_tuner & TUNER_TYPE_MASK) < 4) { 1269 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1270 dev_err(card->dev, "TEA575x radio not found\n"); 1271 snd_fm801_free(chip); 1272 return -ENODEV; 1273 } 1274 } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) { 1275 /* autodetect tuner connection */ 1276 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) { 1277 chip->tea575x_tuner = tea575x_tuner; 1278 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1279 dev_info(card->dev, 1280 "detected TEA575x radio type %s\n", 1281 get_tea575x_gpio(chip)->name); 1282 break; 1283 } 1284 } 1285 if (tea575x_tuner == 4) { 1286 dev_err(card->dev, "TEA575x radio not found\n"); 1287 chip->tea575x_tuner = TUNER_DISABLED; 1288 } 1289 } 1290 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1291 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name, 1292 sizeof(chip->tea.card)); 1293 } 1294 #endif 1295 1296 *rchip = chip; 1297 return 0; 1298 } 1299 1300 static int snd_card_fm801_probe(struct pci_dev *pci, 1301 const struct pci_device_id *pci_id) 1302 { 1303 static int dev; 1304 struct snd_card *card; 1305 struct fm801 *chip; 1306 struct snd_opl3 *opl3; 1307 int err; 1308 1309 if (dev >= SNDRV_CARDS) 1310 return -ENODEV; 1311 if (!enable[dev]) { 1312 dev++; 1313 return -ENOENT; 1314 } 1315 1316 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1317 0, &card); 1318 if (err < 0) 1319 return err; 1320 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) { 1321 snd_card_free(card); 1322 return err; 1323 } 1324 card->private_data = chip; 1325 1326 strcpy(card->driver, "FM801"); 1327 strcpy(card->shortname, "ForteMedia FM801-"); 1328 strcat(card->shortname, chip->multichannel ? "AU" : "AS"); 1329 sprintf(card->longname, "%s at 0x%lx, irq %i", 1330 card->shortname, chip->port, chip->irq); 1331 1332 if (chip->tea575x_tuner & TUNER_ONLY) 1333 goto __fm801_tuner_only; 1334 1335 if ((err = snd_fm801_pcm(chip, 0)) < 0) { 1336 snd_card_free(card); 1337 return err; 1338 } 1339 if ((err = snd_fm801_mixer(chip)) < 0) { 1340 snd_card_free(card); 1341 return err; 1342 } 1343 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801, 1344 chip->port + FM801_MPU401_DATA, 1345 MPU401_INFO_INTEGRATED | 1346 MPU401_INFO_IRQ_HOOK, 1347 -1, &chip->rmidi)) < 0) { 1348 snd_card_free(card); 1349 return err; 1350 } 1351 if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0, 1352 chip->port + FM801_OPL3_BANK1, 1353 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) { 1354 snd_card_free(card); 1355 return err; 1356 } 1357 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { 1358 snd_card_free(card); 1359 return err; 1360 } 1361 1362 __fm801_tuner_only: 1363 if ((err = snd_card_register(card)) < 0) { 1364 snd_card_free(card); 1365 return err; 1366 } 1367 pci_set_drvdata(pci, card); 1368 dev++; 1369 return 0; 1370 } 1371 1372 static void snd_card_fm801_remove(struct pci_dev *pci) 1373 { 1374 snd_card_free(pci_get_drvdata(pci)); 1375 } 1376 1377 #ifdef CONFIG_PM_SLEEP 1378 static unsigned char saved_regs[] = { 1379 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC, 1380 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2, 1381 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2, 1382 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL, 1383 }; 1384 1385 static int snd_fm801_suspend(struct device *dev) 1386 { 1387 struct pci_dev *pci = to_pci_dev(dev); 1388 struct snd_card *card = dev_get_drvdata(dev); 1389 struct fm801 *chip = card->private_data; 1390 int i; 1391 1392 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1393 snd_pcm_suspend_all(chip->pcm); 1394 snd_ac97_suspend(chip->ac97); 1395 snd_ac97_suspend(chip->ac97_sec); 1396 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1397 chip->saved_regs[i] = inw(chip->port + saved_regs[i]); 1398 /* FIXME: tea575x suspend */ 1399 1400 pci_disable_device(pci); 1401 pci_save_state(pci); 1402 pci_set_power_state(pci, PCI_D3hot); 1403 return 0; 1404 } 1405 1406 static int snd_fm801_resume(struct device *dev) 1407 { 1408 struct pci_dev *pci = to_pci_dev(dev); 1409 struct snd_card *card = dev_get_drvdata(dev); 1410 struct fm801 *chip = card->private_data; 1411 int i; 1412 1413 pci_set_power_state(pci, PCI_D0); 1414 pci_restore_state(pci); 1415 if (pci_enable_device(pci) < 0) { 1416 dev_err(dev, "pci_enable_device failed, disabling device\n"); 1417 snd_card_disconnect(card); 1418 return -EIO; 1419 } 1420 pci_set_master(pci); 1421 1422 snd_fm801_chip_init(chip, 1); 1423 snd_ac97_resume(chip->ac97); 1424 snd_ac97_resume(chip->ac97_sec); 1425 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1426 outw(chip->saved_regs[i], chip->port + saved_regs[i]); 1427 1428 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1429 return 0; 1430 } 1431 1432 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume); 1433 #define SND_FM801_PM_OPS &snd_fm801_pm 1434 #else 1435 #define SND_FM801_PM_OPS NULL 1436 #endif /* CONFIG_PM_SLEEP */ 1437 1438 static struct pci_driver fm801_driver = { 1439 .name = KBUILD_MODNAME, 1440 .id_table = snd_fm801_ids, 1441 .probe = snd_card_fm801_probe, 1442 .remove = snd_card_fm801_remove, 1443 .driver = { 1444 .pm = SND_FM801_PM_OPS, 1445 }, 1446 }; 1447 1448 module_pci_driver(fm801_driver); 1449