1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * The driver for the ForteMedia FM801 based soundcards 4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 5 */ 6 7 #include <linux/delay.h> 8 #include <linux/init.h> 9 #include <linux/interrupt.h> 10 #include <linux/io.h> 11 #include <linux/pci.h> 12 #include <linux/slab.h> 13 #include <linux/module.h> 14 #include <sound/core.h> 15 #include <sound/pcm.h> 16 #include <sound/tlv.h> 17 #include <sound/ac97_codec.h> 18 #include <sound/mpu401.h> 19 #include <sound/opl3.h> 20 #include <sound/initval.h> 21 22 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 23 #include <media/drv-intf/tea575x.h> 24 #endif 25 26 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 27 MODULE_DESCRIPTION("ForteMedia FM801"); 28 MODULE_LICENSE("GPL"); 29 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801}," 30 "{Genius,SoundMaker Live 5.1}}"); 31 32 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 33 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 34 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 35 /* 36 * Enable TEA575x tuner 37 * 1 = MediaForte 256-PCS 38 * 2 = MediaForte 256-PCP 39 * 3 = MediaForte 64-PCR 40 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card 41 * High 16-bits are video (radio) device number + 1 42 */ 43 static int tea575x_tuner[SNDRV_CARDS]; 44 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; 45 46 module_param_array(index, int, NULL, 0444); 47 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard."); 48 module_param_array(id, charp, NULL, 0444); 49 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard."); 50 module_param_array(enable, bool, NULL, 0444); 51 MODULE_PARM_DESC(enable, "Enable FM801 soundcard."); 52 module_param_array(tea575x_tuner, int, NULL, 0444); 53 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)."); 54 module_param_array(radio_nr, int, NULL, 0444); 55 MODULE_PARM_DESC(radio_nr, "Radio device numbers"); 56 57 58 #define TUNER_DISABLED (1<<3) 59 #define TUNER_ONLY (1<<4) 60 #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF) 61 62 /* 63 * Direct registers 64 */ 65 66 #define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg) 67 #define fm801_readw(chip,reg) inw(chip->port + FM801_##reg) 68 69 #define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg) 70 71 #define FM801_PCM_VOL 0x00 /* PCM Output Volume */ 72 #define FM801_FM_VOL 0x02 /* FM Output Volume */ 73 #define FM801_I2S_VOL 0x04 /* I2S Volume */ 74 #define FM801_REC_SRC 0x06 /* Record Source */ 75 #define FM801_PLY_CTRL 0x08 /* Playback Control */ 76 #define FM801_PLY_COUNT 0x0a /* Playback Count */ 77 #define FM801_PLY_BUF1 0x0c /* Playback Bufer I */ 78 #define FM801_PLY_BUF2 0x10 /* Playback Buffer II */ 79 #define FM801_CAP_CTRL 0x14 /* Capture Control */ 80 #define FM801_CAP_COUNT 0x16 /* Capture Count */ 81 #define FM801_CAP_BUF1 0x18 /* Capture Buffer I */ 82 #define FM801_CAP_BUF2 0x1c /* Capture Buffer II */ 83 #define FM801_CODEC_CTRL 0x22 /* Codec Control */ 84 #define FM801_I2S_MODE 0x24 /* I2S Mode Control */ 85 #define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */ 86 #define FM801_I2C_CTRL 0x29 /* I2C Control */ 87 #define FM801_AC97_CMD 0x2a /* AC'97 Command */ 88 #define FM801_AC97_DATA 0x2c /* AC'97 Data */ 89 #define FM801_MPU401_DATA 0x30 /* MPU401 Data */ 90 #define FM801_MPU401_CMD 0x31 /* MPU401 Command */ 91 #define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */ 92 #define FM801_GEN_CTRL 0x54 /* General Control */ 93 #define FM801_IRQ_MASK 0x56 /* Interrupt Mask */ 94 #define FM801_IRQ_STATUS 0x5a /* Interrupt Status */ 95 #define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */ 96 #define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */ 97 #define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */ 98 #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */ 99 #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */ 100 101 /* codec access */ 102 #define FM801_AC97_READ (1<<7) /* read=1, write=0 */ 103 #define FM801_AC97_VALID (1<<8) /* port valid=1 */ 104 #define FM801_AC97_BUSY (1<<9) /* busy=1 */ 105 #define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */ 106 107 /* playback and record control register bits */ 108 #define FM801_BUF1_LAST (1<<1) 109 #define FM801_BUF2_LAST (1<<2) 110 #define FM801_START (1<<5) 111 #define FM801_PAUSE (1<<6) 112 #define FM801_IMMED_STOP (1<<7) 113 #define FM801_RATE_SHIFT 8 114 #define FM801_RATE_MASK (15 << FM801_RATE_SHIFT) 115 #define FM801_CHANNELS_4 (1<<12) /* playback only */ 116 #define FM801_CHANNELS_6 (2<<12) /* playback only */ 117 #define FM801_CHANNELS_6MS (3<<12) /* playback only */ 118 #define FM801_CHANNELS_MASK (3<<12) 119 #define FM801_16BIT (1<<14) 120 #define FM801_STEREO (1<<15) 121 122 /* IRQ status bits */ 123 #define FM801_IRQ_PLAYBACK (1<<8) 124 #define FM801_IRQ_CAPTURE (1<<9) 125 #define FM801_IRQ_VOLUME (1<<14) 126 #define FM801_IRQ_MPU (1<<15) 127 128 /* GPIO control register */ 129 #define FM801_GPIO_GP0 (1<<0) /* read/write */ 130 #define FM801_GPIO_GP1 (1<<1) 131 #define FM801_GPIO_GP2 (1<<2) 132 #define FM801_GPIO_GP3 (1<<3) 133 #define FM801_GPIO_GP(x) (1<<(0+(x))) 134 #define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/ 135 #define FM801_GPIO_GD1 (1<<9) 136 #define FM801_GPIO_GD2 (1<<10) 137 #define FM801_GPIO_GD3 (1<<11) 138 #define FM801_GPIO_GD(x) (1<<(8+(x))) 139 #define FM801_GPIO_GS0 (1<<12) /* function select: */ 140 #define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */ 141 #define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */ 142 #define FM801_GPIO_GS3 (1<<15) 143 #define FM801_GPIO_GS(x) (1<<(12+(x))) 144 145 /** 146 * struct fm801 - describes FM801 chip 147 * @port: I/O port number 148 * @multichannel: multichannel support 149 * @secondary: secondary codec 150 * @secondary_addr: address of the secondary codec 151 * @tea575x_tuner: tuner access method & flags 152 * @ply_ctrl: playback control 153 * @cap_ctrl: capture control 154 */ 155 struct fm801 { 156 struct device *dev; 157 int irq; 158 159 unsigned long port; 160 unsigned int multichannel: 1, 161 secondary: 1; 162 unsigned char secondary_addr; 163 unsigned int tea575x_tuner; 164 165 unsigned short ply_ctrl; 166 unsigned short cap_ctrl; 167 168 unsigned long ply_buffer; 169 unsigned int ply_buf; 170 unsigned int ply_count; 171 unsigned int ply_size; 172 unsigned int ply_pos; 173 174 unsigned long cap_buffer; 175 unsigned int cap_buf; 176 unsigned int cap_count; 177 unsigned int cap_size; 178 unsigned int cap_pos; 179 180 struct snd_ac97_bus *ac97_bus; 181 struct snd_ac97 *ac97; 182 struct snd_ac97 *ac97_sec; 183 184 struct snd_card *card; 185 struct snd_pcm *pcm; 186 struct snd_rawmidi *rmidi; 187 struct snd_pcm_substream *playback_substream; 188 struct snd_pcm_substream *capture_substream; 189 unsigned int p_dma_size; 190 unsigned int c_dma_size; 191 192 spinlock_t reg_lock; 193 struct snd_info_entry *proc_entry; 194 195 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 196 struct v4l2_device v4l2_dev; 197 struct snd_tea575x tea; 198 #endif 199 200 #ifdef CONFIG_PM_SLEEP 201 u16 saved_regs[0x20]; 202 #endif 203 }; 204 205 /* 206 * IO accessors 207 */ 208 209 static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value) 210 { 211 outw(value, chip->port + offset); 212 } 213 214 static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset) 215 { 216 return inw(chip->port + offset); 217 } 218 219 static const struct pci_device_id snd_fm801_ids[] = { 220 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */ 221 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */ 222 { 0, } 223 }; 224 225 MODULE_DEVICE_TABLE(pci, snd_fm801_ids); 226 227 /* 228 * common I/O routines 229 */ 230 231 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations) 232 { 233 unsigned int idx; 234 235 for (idx = 0; idx < iterations; idx++) { 236 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY)) 237 return true; 238 udelay(10); 239 } 240 return false; 241 } 242 243 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations) 244 { 245 unsigned int idx; 246 247 for (idx = 0; idx < iterations; idx++) { 248 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID) 249 return true; 250 udelay(10); 251 } 252 return false; 253 } 254 255 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg, 256 unsigned short mask, unsigned short value) 257 { 258 int change; 259 unsigned long flags; 260 unsigned short old, new; 261 262 spin_lock_irqsave(&chip->reg_lock, flags); 263 old = fm801_ioread16(chip, reg); 264 new = (old & ~mask) | value; 265 change = old != new; 266 if (change) 267 fm801_iowrite16(chip, reg, new); 268 spin_unlock_irqrestore(&chip->reg_lock, flags); 269 return change; 270 } 271 272 static void snd_fm801_codec_write(struct snd_ac97 *ac97, 273 unsigned short reg, 274 unsigned short val) 275 { 276 struct fm801 *chip = ac97->private_data; 277 278 /* 279 * Wait until the codec interface is not ready.. 280 */ 281 if (!fm801_ac97_is_ready(chip, 100)) { 282 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n"); 283 return; 284 } 285 286 /* write data and address */ 287 fm801_writew(chip, AC97_DATA, val); 288 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT)); 289 /* 290 * Wait until the write command is not completed.. 291 */ 292 if (!fm801_ac97_is_ready(chip, 1000)) 293 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 294 ac97->num); 295 } 296 297 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg) 298 { 299 struct fm801 *chip = ac97->private_data; 300 301 /* 302 * Wait until the codec interface is not ready.. 303 */ 304 if (!fm801_ac97_is_ready(chip, 100)) { 305 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n"); 306 return 0; 307 } 308 309 /* read command */ 310 fm801_writew(chip, AC97_CMD, 311 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 312 if (!fm801_ac97_is_ready(chip, 100)) { 313 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 314 ac97->num); 315 return 0; 316 } 317 318 if (!fm801_ac97_is_valid(chip, 1000)) { 319 dev_err(chip->card->dev, 320 "AC'97 interface #%d is not valid (2)\n", ac97->num); 321 return 0; 322 } 323 324 return fm801_readw(chip, AC97_DATA); 325 } 326 327 static const unsigned int rates[] = { 328 5500, 8000, 9600, 11025, 329 16000, 19200, 22050, 32000, 330 38400, 44100, 48000 331 }; 332 333 static const struct snd_pcm_hw_constraint_list hw_constraints_rates = { 334 .count = ARRAY_SIZE(rates), 335 .list = rates, 336 .mask = 0, 337 }; 338 339 static const unsigned int channels[] = { 340 2, 4, 6 341 }; 342 343 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 344 .count = ARRAY_SIZE(channels), 345 .list = channels, 346 .mask = 0, 347 }; 348 349 /* 350 * Sample rate routines 351 */ 352 353 static unsigned short snd_fm801_rate_bits(unsigned int rate) 354 { 355 unsigned int idx; 356 357 for (idx = 0; idx < ARRAY_SIZE(rates); idx++) 358 if (rates[idx] == rate) 359 return idx; 360 snd_BUG(); 361 return ARRAY_SIZE(rates) - 1; 362 } 363 364 /* 365 * PCM part 366 */ 367 368 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream, 369 int cmd) 370 { 371 struct fm801 *chip = snd_pcm_substream_chip(substream); 372 373 spin_lock(&chip->reg_lock); 374 switch (cmd) { 375 case SNDRV_PCM_TRIGGER_START: 376 chip->ply_ctrl &= ~(FM801_BUF1_LAST | 377 FM801_BUF2_LAST | 378 FM801_PAUSE); 379 chip->ply_ctrl |= FM801_START | 380 FM801_IMMED_STOP; 381 break; 382 case SNDRV_PCM_TRIGGER_STOP: 383 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE); 384 break; 385 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 386 case SNDRV_PCM_TRIGGER_SUSPEND: 387 chip->ply_ctrl |= FM801_PAUSE; 388 break; 389 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 390 case SNDRV_PCM_TRIGGER_RESUME: 391 chip->ply_ctrl &= ~FM801_PAUSE; 392 break; 393 default: 394 spin_unlock(&chip->reg_lock); 395 snd_BUG(); 396 return -EINVAL; 397 } 398 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 399 spin_unlock(&chip->reg_lock); 400 return 0; 401 } 402 403 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream, 404 int cmd) 405 { 406 struct fm801 *chip = snd_pcm_substream_chip(substream); 407 408 spin_lock(&chip->reg_lock); 409 switch (cmd) { 410 case SNDRV_PCM_TRIGGER_START: 411 chip->cap_ctrl &= ~(FM801_BUF1_LAST | 412 FM801_BUF2_LAST | 413 FM801_PAUSE); 414 chip->cap_ctrl |= FM801_START | 415 FM801_IMMED_STOP; 416 break; 417 case SNDRV_PCM_TRIGGER_STOP: 418 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE); 419 break; 420 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 421 case SNDRV_PCM_TRIGGER_SUSPEND: 422 chip->cap_ctrl |= FM801_PAUSE; 423 break; 424 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 425 case SNDRV_PCM_TRIGGER_RESUME: 426 chip->cap_ctrl &= ~FM801_PAUSE; 427 break; 428 default: 429 spin_unlock(&chip->reg_lock); 430 snd_BUG(); 431 return -EINVAL; 432 } 433 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 434 spin_unlock(&chip->reg_lock); 435 return 0; 436 } 437 438 static int snd_fm801_hw_params(struct snd_pcm_substream *substream, 439 struct snd_pcm_hw_params *hw_params) 440 { 441 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 442 } 443 444 static int snd_fm801_hw_free(struct snd_pcm_substream *substream) 445 { 446 return snd_pcm_lib_free_pages(substream); 447 } 448 449 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream) 450 { 451 struct fm801 *chip = snd_pcm_substream_chip(substream); 452 struct snd_pcm_runtime *runtime = substream->runtime; 453 454 chip->ply_size = snd_pcm_lib_buffer_bytes(substream); 455 chip->ply_count = snd_pcm_lib_period_bytes(substream); 456 spin_lock_irq(&chip->reg_lock); 457 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT | 458 FM801_STEREO | FM801_RATE_MASK | 459 FM801_CHANNELS_MASK); 460 if (snd_pcm_format_width(runtime->format) == 16) 461 chip->ply_ctrl |= FM801_16BIT; 462 if (runtime->channels > 1) { 463 chip->ply_ctrl |= FM801_STEREO; 464 if (runtime->channels == 4) 465 chip->ply_ctrl |= FM801_CHANNELS_4; 466 else if (runtime->channels == 6) 467 chip->ply_ctrl |= FM801_CHANNELS_6; 468 } 469 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 470 chip->ply_buf = 0; 471 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 472 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1); 473 chip->ply_buffer = runtime->dma_addr; 474 chip->ply_pos = 0; 475 fm801_writel(chip, PLY_BUF1, chip->ply_buffer); 476 fm801_writel(chip, PLY_BUF2, 477 chip->ply_buffer + (chip->ply_count % chip->ply_size)); 478 spin_unlock_irq(&chip->reg_lock); 479 return 0; 480 } 481 482 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream) 483 { 484 struct fm801 *chip = snd_pcm_substream_chip(substream); 485 struct snd_pcm_runtime *runtime = substream->runtime; 486 487 chip->cap_size = snd_pcm_lib_buffer_bytes(substream); 488 chip->cap_count = snd_pcm_lib_period_bytes(substream); 489 spin_lock_irq(&chip->reg_lock); 490 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT | 491 FM801_STEREO | FM801_RATE_MASK); 492 if (snd_pcm_format_width(runtime->format) == 16) 493 chip->cap_ctrl |= FM801_16BIT; 494 if (runtime->channels > 1) 495 chip->cap_ctrl |= FM801_STEREO; 496 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 497 chip->cap_buf = 0; 498 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 499 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1); 500 chip->cap_buffer = runtime->dma_addr; 501 chip->cap_pos = 0; 502 fm801_writel(chip, CAP_BUF1, chip->cap_buffer); 503 fm801_writel(chip, CAP_BUF2, 504 chip->cap_buffer + (chip->cap_count % chip->cap_size)); 505 spin_unlock_irq(&chip->reg_lock); 506 return 0; 507 } 508 509 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream) 510 { 511 struct fm801 *chip = snd_pcm_substream_chip(substream); 512 size_t ptr; 513 514 if (!(chip->ply_ctrl & FM801_START)) 515 return 0; 516 spin_lock(&chip->reg_lock); 517 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT); 518 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) { 519 ptr += chip->ply_count; 520 ptr %= chip->ply_size; 521 } 522 spin_unlock(&chip->reg_lock); 523 return bytes_to_frames(substream->runtime, ptr); 524 } 525 526 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream) 527 { 528 struct fm801 *chip = snd_pcm_substream_chip(substream); 529 size_t ptr; 530 531 if (!(chip->cap_ctrl & FM801_START)) 532 return 0; 533 spin_lock(&chip->reg_lock); 534 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT); 535 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) { 536 ptr += chip->cap_count; 537 ptr %= chip->cap_size; 538 } 539 spin_unlock(&chip->reg_lock); 540 return bytes_to_frames(substream->runtime, ptr); 541 } 542 543 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id) 544 { 545 struct fm801 *chip = dev_id; 546 unsigned short status; 547 unsigned int tmp; 548 549 status = fm801_readw(chip, IRQ_STATUS); 550 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME; 551 if (! status) 552 return IRQ_NONE; 553 /* ack first */ 554 fm801_writew(chip, IRQ_STATUS, status); 555 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) { 556 spin_lock(&chip->reg_lock); 557 chip->ply_buf++; 558 chip->ply_pos += chip->ply_count; 559 chip->ply_pos %= chip->ply_size; 560 tmp = chip->ply_pos + chip->ply_count; 561 tmp %= chip->ply_size; 562 if (chip->ply_buf & 1) 563 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp); 564 else 565 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp); 566 spin_unlock(&chip->reg_lock); 567 snd_pcm_period_elapsed(chip->playback_substream); 568 } 569 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) { 570 spin_lock(&chip->reg_lock); 571 chip->cap_buf++; 572 chip->cap_pos += chip->cap_count; 573 chip->cap_pos %= chip->cap_size; 574 tmp = chip->cap_pos + chip->cap_count; 575 tmp %= chip->cap_size; 576 if (chip->cap_buf & 1) 577 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp); 578 else 579 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp); 580 spin_unlock(&chip->reg_lock); 581 snd_pcm_period_elapsed(chip->capture_substream); 582 } 583 if (chip->rmidi && (status & FM801_IRQ_MPU)) 584 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 585 if (status & FM801_IRQ_VOLUME) { 586 /* TODO */ 587 } 588 589 return IRQ_HANDLED; 590 } 591 592 static const struct snd_pcm_hardware snd_fm801_playback = 593 { 594 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 595 SNDRV_PCM_INFO_BLOCK_TRANSFER | 596 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 597 SNDRV_PCM_INFO_MMAP_VALID), 598 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 599 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 600 .rate_min = 5500, 601 .rate_max = 48000, 602 .channels_min = 1, 603 .channels_max = 2, 604 .buffer_bytes_max = (128*1024), 605 .period_bytes_min = 64, 606 .period_bytes_max = (128*1024), 607 .periods_min = 1, 608 .periods_max = 1024, 609 .fifo_size = 0, 610 }; 611 612 static const struct snd_pcm_hardware snd_fm801_capture = 613 { 614 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 615 SNDRV_PCM_INFO_BLOCK_TRANSFER | 616 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 617 SNDRV_PCM_INFO_MMAP_VALID), 618 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 619 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 620 .rate_min = 5500, 621 .rate_max = 48000, 622 .channels_min = 1, 623 .channels_max = 2, 624 .buffer_bytes_max = (128*1024), 625 .period_bytes_min = 64, 626 .period_bytes_max = (128*1024), 627 .periods_min = 1, 628 .periods_max = 1024, 629 .fifo_size = 0, 630 }; 631 632 static int snd_fm801_playback_open(struct snd_pcm_substream *substream) 633 { 634 struct fm801 *chip = snd_pcm_substream_chip(substream); 635 struct snd_pcm_runtime *runtime = substream->runtime; 636 int err; 637 638 chip->playback_substream = substream; 639 runtime->hw = snd_fm801_playback; 640 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 641 &hw_constraints_rates); 642 if (chip->multichannel) { 643 runtime->hw.channels_max = 6; 644 snd_pcm_hw_constraint_list(runtime, 0, 645 SNDRV_PCM_HW_PARAM_CHANNELS, 646 &hw_constraints_channels); 647 } 648 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 649 return err; 650 return 0; 651 } 652 653 static int snd_fm801_capture_open(struct snd_pcm_substream *substream) 654 { 655 struct fm801 *chip = snd_pcm_substream_chip(substream); 656 struct snd_pcm_runtime *runtime = substream->runtime; 657 int err; 658 659 chip->capture_substream = substream; 660 runtime->hw = snd_fm801_capture; 661 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 662 &hw_constraints_rates); 663 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 664 return err; 665 return 0; 666 } 667 668 static int snd_fm801_playback_close(struct snd_pcm_substream *substream) 669 { 670 struct fm801 *chip = snd_pcm_substream_chip(substream); 671 672 chip->playback_substream = NULL; 673 return 0; 674 } 675 676 static int snd_fm801_capture_close(struct snd_pcm_substream *substream) 677 { 678 struct fm801 *chip = snd_pcm_substream_chip(substream); 679 680 chip->capture_substream = NULL; 681 return 0; 682 } 683 684 static const struct snd_pcm_ops snd_fm801_playback_ops = { 685 .open = snd_fm801_playback_open, 686 .close = snd_fm801_playback_close, 687 .ioctl = snd_pcm_lib_ioctl, 688 .hw_params = snd_fm801_hw_params, 689 .hw_free = snd_fm801_hw_free, 690 .prepare = snd_fm801_playback_prepare, 691 .trigger = snd_fm801_playback_trigger, 692 .pointer = snd_fm801_playback_pointer, 693 }; 694 695 static const struct snd_pcm_ops snd_fm801_capture_ops = { 696 .open = snd_fm801_capture_open, 697 .close = snd_fm801_capture_close, 698 .ioctl = snd_pcm_lib_ioctl, 699 .hw_params = snd_fm801_hw_params, 700 .hw_free = snd_fm801_hw_free, 701 .prepare = snd_fm801_capture_prepare, 702 .trigger = snd_fm801_capture_trigger, 703 .pointer = snd_fm801_capture_pointer, 704 }; 705 706 static int snd_fm801_pcm(struct fm801 *chip, int device) 707 { 708 struct pci_dev *pdev = to_pci_dev(chip->dev); 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(pdev), 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 const 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 long *value = ucontrol->value.integer.value; 861 862 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask; 863 if (invert) 864 value[0] = mask - value[0]; 865 return 0; 866 } 867 868 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol, 869 struct snd_ctl_elem_value *ucontrol) 870 { 871 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 872 int reg = kcontrol->private_value & 0xff; 873 int shift = (kcontrol->private_value >> 8) & 0xff; 874 int mask = (kcontrol->private_value >> 16) & 0xff; 875 int invert = (kcontrol->private_value >> 24) & 0xff; 876 unsigned short val; 877 878 val = (ucontrol->value.integer.value[0] & mask); 879 if (invert) 880 val = mask - val; 881 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift); 882 } 883 884 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ 885 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \ 886 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 887 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) } 888 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ 889 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 890 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 891 .name = xname, .info = snd_fm801_info_double, \ 892 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 893 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \ 894 .tlv = { .p = (xtlv) } } 895 896 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol, 897 struct snd_ctl_elem_info *uinfo) 898 { 899 int mask = (kcontrol->private_value >> 16) & 0xff; 900 901 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 902 uinfo->count = 2; 903 uinfo->value.integer.min = 0; 904 uinfo->value.integer.max = mask; 905 return 0; 906 } 907 908 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol, 909 struct snd_ctl_elem_value *ucontrol) 910 { 911 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 912 int reg = kcontrol->private_value & 0xff; 913 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 914 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 915 int mask = (kcontrol->private_value >> 16) & 0xff; 916 int invert = (kcontrol->private_value >> 24) & 0xff; 917 long *value = ucontrol->value.integer.value; 918 919 spin_lock_irq(&chip->reg_lock); 920 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask; 921 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask; 922 spin_unlock_irq(&chip->reg_lock); 923 if (invert) { 924 value[0] = mask - value[0]; 925 value[1] = mask - value[1]; 926 } 927 return 0; 928 } 929 930 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol, 931 struct snd_ctl_elem_value *ucontrol) 932 { 933 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 934 int reg = kcontrol->private_value & 0xff; 935 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 936 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 937 int mask = (kcontrol->private_value >> 16) & 0xff; 938 int invert = (kcontrol->private_value >> 24) & 0xff; 939 unsigned short val1, val2; 940 941 val1 = ucontrol->value.integer.value[0] & mask; 942 val2 = ucontrol->value.integer.value[1] & mask; 943 if (invert) { 944 val1 = mask - val1; 945 val2 = mask - val2; 946 } 947 return snd_fm801_update_bits(chip, reg, 948 (mask << shift_left) | (mask << shift_right), 949 (val1 << shift_left ) | (val2 << shift_right)); 950 } 951 952 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol, 953 struct snd_ctl_elem_info *uinfo) 954 { 955 static const char * const texts[5] = { 956 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary" 957 }; 958 959 return snd_ctl_enum_info(uinfo, 1, 5, texts); 960 } 961 962 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol, 963 struct snd_ctl_elem_value *ucontrol) 964 { 965 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 966 unsigned short val; 967 968 val = fm801_readw(chip, REC_SRC) & 7; 969 if (val > 4) 970 val = 4; 971 ucontrol->value.enumerated.item[0] = val; 972 return 0; 973 } 974 975 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol, 976 struct snd_ctl_elem_value *ucontrol) 977 { 978 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 979 unsigned short val; 980 981 if ((val = ucontrol->value.enumerated.item[0]) > 4) 982 return -EINVAL; 983 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val); 984 } 985 986 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0); 987 988 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls) 989 990 static struct snd_kcontrol_new snd_fm801_controls[] = { 991 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1, 992 db_scale_dsp), 993 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1), 994 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1, 995 db_scale_dsp), 996 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1), 997 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1, 998 db_scale_dsp), 999 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1), 1000 { 1001 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1002 .name = "Digital Capture Source", 1003 .info = snd_fm801_info_mux, 1004 .get = snd_fm801_get_mux, 1005 .put = snd_fm801_put_mux, 1006 } 1007 }; 1008 1009 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi) 1010 1011 static struct snd_kcontrol_new snd_fm801_controls_multi[] = { 1012 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0), 1013 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0), 1014 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0), 1015 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0), 1016 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0), 1017 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0), 1018 }; 1019 1020 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1021 { 1022 struct fm801 *chip = bus->private_data; 1023 chip->ac97_bus = NULL; 1024 } 1025 1026 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97) 1027 { 1028 struct fm801 *chip = ac97->private_data; 1029 if (ac97->num == 0) { 1030 chip->ac97 = NULL; 1031 } else { 1032 chip->ac97_sec = NULL; 1033 } 1034 } 1035 1036 static int snd_fm801_mixer(struct fm801 *chip) 1037 { 1038 struct snd_ac97_template ac97; 1039 unsigned int i; 1040 int err; 1041 static struct snd_ac97_bus_ops ops = { 1042 .write = snd_fm801_codec_write, 1043 .read = snd_fm801_codec_read, 1044 }; 1045 1046 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1047 return err; 1048 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus; 1049 1050 memset(&ac97, 0, sizeof(ac97)); 1051 ac97.private_data = chip; 1052 ac97.private_free = snd_fm801_mixer_free_ac97; 1053 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1054 return err; 1055 if (chip->secondary) { 1056 ac97.num = 1; 1057 ac97.addr = chip->secondary_addr; 1058 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0) 1059 return err; 1060 } 1061 for (i = 0; i < FM801_CONTROLS; i++) { 1062 err = snd_ctl_add(chip->card, 1063 snd_ctl_new1(&snd_fm801_controls[i], chip)); 1064 if (err < 0) 1065 return err; 1066 } 1067 if (chip->multichannel) { 1068 for (i = 0; i < FM801_CONTROLS_MULTI; i++) { 1069 err = snd_ctl_add(chip->card, 1070 snd_ctl_new1(&snd_fm801_controls_multi[i], chip)); 1071 if (err < 0) 1072 return err; 1073 } 1074 } 1075 return 0; 1076 } 1077 1078 /* 1079 * initialization routines 1080 */ 1081 1082 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id, 1083 unsigned short reg, unsigned long waits) 1084 { 1085 unsigned long timeout = jiffies + waits; 1086 1087 fm801_writew(chip, AC97_CMD, 1088 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 1089 udelay(5); 1090 do { 1091 if ((fm801_readw(chip, AC97_CMD) & 1092 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID) 1093 return 0; 1094 schedule_timeout_uninterruptible(1); 1095 } while (time_after(timeout, jiffies)); 1096 return -EIO; 1097 } 1098 1099 static int reset_codec(struct fm801 *chip) 1100 { 1101 /* codec cold reset + AC'97 warm reset */ 1102 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6)); 1103 fm801_readw(chip, CODEC_CTRL); /* flush posting data */ 1104 udelay(100); 1105 fm801_writew(chip, CODEC_CTRL, 0); 1106 1107 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)); 1108 } 1109 1110 static void snd_fm801_chip_multichannel_init(struct fm801 *chip) 1111 { 1112 unsigned short cmdw; 1113 1114 if (chip->multichannel) { 1115 if (chip->secondary_addr) { 1116 wait_for_codec(chip, chip->secondary_addr, 1117 AC97_VENDOR_ID1, msecs_to_jiffies(50)); 1118 } else { 1119 /* my card has the secondary codec */ 1120 /* at address #3, so the loop is inverted */ 1121 int i; 1122 for (i = 3; i > 0; i--) { 1123 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1, 1124 msecs_to_jiffies(50))) { 1125 cmdw = fm801_readw(chip, AC97_DATA); 1126 if (cmdw != 0xffff && cmdw != 0) { 1127 chip->secondary = 1; 1128 chip->secondary_addr = i; 1129 break; 1130 } 1131 } 1132 } 1133 } 1134 1135 /* the recovery phase, it seems that probing for non-existing codec might */ 1136 /* cause timeout problems */ 1137 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750)); 1138 } 1139 } 1140 1141 static void snd_fm801_chip_init(struct fm801 *chip) 1142 { 1143 unsigned short cmdw; 1144 1145 /* init volume */ 1146 fm801_writew(chip, PCM_VOL, 0x0808); 1147 fm801_writew(chip, FM_VOL, 0x9f1f); 1148 fm801_writew(chip, I2S_VOL, 0x8808); 1149 1150 /* I2S control - I2S mode */ 1151 fm801_writew(chip, I2S_MODE, 0x0003); 1152 1153 /* interrupt setup */ 1154 cmdw = fm801_readw(chip, IRQ_MASK); 1155 if (chip->irq < 0) 1156 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */ 1157 else 1158 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */ 1159 fm801_writew(chip, IRQ_MASK, cmdw); 1160 1161 /* interrupt clear */ 1162 fm801_writew(chip, IRQ_STATUS, 1163 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU); 1164 } 1165 1166 static int snd_fm801_free(struct fm801 *chip) 1167 { 1168 unsigned short cmdw; 1169 1170 if (chip->irq < 0) 1171 goto __end_hw; 1172 1173 /* interrupt setup - mask everything */ 1174 cmdw = fm801_readw(chip, IRQ_MASK); 1175 cmdw |= 0x00c3; 1176 fm801_writew(chip, IRQ_MASK, cmdw); 1177 1178 devm_free_irq(chip->dev, chip->irq, chip); 1179 1180 __end_hw: 1181 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1182 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1183 snd_tea575x_exit(&chip->tea); 1184 v4l2_device_unregister(&chip->v4l2_dev); 1185 } 1186 #endif 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 = pcim_enable_device(pci)) < 0) 1210 return err; 1211 chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL); 1212 if (chip == NULL) 1213 return -ENOMEM; 1214 spin_lock_init(&chip->reg_lock); 1215 chip->card = card; 1216 chip->dev = &pci->dev; 1217 chip->irq = -1; 1218 chip->tea575x_tuner = tea575x_tuner; 1219 if ((err = pci_request_regions(pci, "FM801")) < 0) 1220 return err; 1221 chip->port = pci_resource_start(pci, 0); 1222 1223 if (pci->revision >= 0xb1) /* FM801-AU */ 1224 chip->multichannel = 1; 1225 1226 if (!(chip->tea575x_tuner & TUNER_ONLY)) { 1227 if (reset_codec(chip) < 0) { 1228 dev_info(chip->card->dev, 1229 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n"); 1230 chip->tea575x_tuner = 3 | TUNER_ONLY; 1231 } else { 1232 snd_fm801_chip_multichannel_init(chip); 1233 } 1234 } 1235 1236 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) { 1237 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt, 1238 IRQF_SHARED, KBUILD_MODNAME, chip)) { 1239 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 1240 snd_fm801_free(chip); 1241 return -EBUSY; 1242 } 1243 chip->irq = pci->irq; 1244 pci_set_master(pci); 1245 } 1246 1247 snd_fm801_chip_init(chip); 1248 1249 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1250 snd_fm801_free(chip); 1251 return err; 1252 } 1253 1254 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1255 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev); 1256 if (err < 0) { 1257 snd_fm801_free(chip); 1258 return err; 1259 } 1260 chip->tea.v4l2_dev = &chip->v4l2_dev; 1261 chip->tea.radio_nr = radio_nr; 1262 chip->tea.private_data = chip; 1263 chip->tea.ops = &snd_fm801_tea_ops; 1264 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci)); 1265 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 && 1266 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) { 1267 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1268 dev_err(card->dev, "TEA575x radio not found\n"); 1269 snd_fm801_free(chip); 1270 return -ENODEV; 1271 } 1272 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) { 1273 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY; 1274 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 chip->tea575x_tuner |= tuner_only; 1291 } 1292 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1293 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name, 1294 sizeof(chip->tea.card)); 1295 } 1296 #endif 1297 1298 *rchip = chip; 1299 return 0; 1300 } 1301 1302 static int snd_card_fm801_probe(struct pci_dev *pci, 1303 const struct pci_device_id *pci_id) 1304 { 1305 static int dev; 1306 struct snd_card *card; 1307 struct fm801 *chip; 1308 struct snd_opl3 *opl3; 1309 int err; 1310 1311 if (dev >= SNDRV_CARDS) 1312 return -ENODEV; 1313 if (!enable[dev]) { 1314 dev++; 1315 return -ENOENT; 1316 } 1317 1318 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1319 0, &card); 1320 if (err < 0) 1321 return err; 1322 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) { 1323 snd_card_free(card); 1324 return err; 1325 } 1326 card->private_data = chip; 1327 1328 strcpy(card->driver, "FM801"); 1329 strcpy(card->shortname, "ForteMedia FM801-"); 1330 strcat(card->shortname, chip->multichannel ? "AU" : "AS"); 1331 sprintf(card->longname, "%s at 0x%lx, irq %i", 1332 card->shortname, chip->port, chip->irq); 1333 1334 if (chip->tea575x_tuner & TUNER_ONLY) 1335 goto __fm801_tuner_only; 1336 1337 if ((err = snd_fm801_pcm(chip, 0)) < 0) { 1338 snd_card_free(card); 1339 return err; 1340 } 1341 if ((err = snd_fm801_mixer(chip)) < 0) { 1342 snd_card_free(card); 1343 return err; 1344 } 1345 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801, 1346 chip->port + FM801_MPU401_DATA, 1347 MPU401_INFO_INTEGRATED | 1348 MPU401_INFO_IRQ_HOOK, 1349 -1, &chip->rmidi)) < 0) { 1350 snd_card_free(card); 1351 return err; 1352 } 1353 if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0, 1354 chip->port + FM801_OPL3_BANK1, 1355 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) { 1356 snd_card_free(card); 1357 return err; 1358 } 1359 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { 1360 snd_card_free(card); 1361 return err; 1362 } 1363 1364 __fm801_tuner_only: 1365 if ((err = snd_card_register(card)) < 0) { 1366 snd_card_free(card); 1367 return err; 1368 } 1369 pci_set_drvdata(pci, card); 1370 dev++; 1371 return 0; 1372 } 1373 1374 static void snd_card_fm801_remove(struct pci_dev *pci) 1375 { 1376 snd_card_free(pci_get_drvdata(pci)); 1377 } 1378 1379 #ifdef CONFIG_PM_SLEEP 1380 static unsigned char saved_regs[] = { 1381 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC, 1382 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2, 1383 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2, 1384 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL, 1385 }; 1386 1387 static int snd_fm801_suspend(struct device *dev) 1388 { 1389 struct snd_card *card = dev_get_drvdata(dev); 1390 struct fm801 *chip = card->private_data; 1391 int i; 1392 1393 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1394 1395 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1396 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]); 1397 1398 if (chip->tea575x_tuner & TUNER_ONLY) { 1399 /* FIXME: tea575x suspend */ 1400 } else { 1401 snd_ac97_suspend(chip->ac97); 1402 snd_ac97_suspend(chip->ac97_sec); 1403 } 1404 1405 return 0; 1406 } 1407 1408 static int snd_fm801_resume(struct device *dev) 1409 { 1410 struct snd_card *card = dev_get_drvdata(dev); 1411 struct fm801 *chip = card->private_data; 1412 int i; 1413 1414 if (chip->tea575x_tuner & TUNER_ONLY) { 1415 snd_fm801_chip_init(chip); 1416 } else { 1417 reset_codec(chip); 1418 snd_fm801_chip_multichannel_init(chip); 1419 snd_fm801_chip_init(chip); 1420 snd_ac97_resume(chip->ac97); 1421 snd_ac97_resume(chip->ac97_sec); 1422 } 1423 1424 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1425 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]); 1426 1427 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1428 if (!(chip->tea575x_tuner & TUNER_DISABLED)) 1429 snd_tea575x_set_freq(&chip->tea); 1430 #endif 1431 1432 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1433 return 0; 1434 } 1435 1436 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume); 1437 #define SND_FM801_PM_OPS &snd_fm801_pm 1438 #else 1439 #define SND_FM801_PM_OPS NULL 1440 #endif /* CONFIG_PM_SLEEP */ 1441 1442 static struct pci_driver fm801_driver = { 1443 .name = KBUILD_MODNAME, 1444 .id_table = snd_fm801_ids, 1445 .probe = snd_card_fm801_probe, 1446 .remove = snd_card_fm801_remove, 1447 .driver = { 1448 .pm = SND_FM801_PM_OPS, 1449 }, 1450 }; 1451 1452 module_pci_driver(fm801_driver); 1453