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_playback_prepare(struct snd_pcm_substream *substream) 439 { 440 struct fm801 *chip = snd_pcm_substream_chip(substream); 441 struct snd_pcm_runtime *runtime = substream->runtime; 442 443 chip->ply_size = snd_pcm_lib_buffer_bytes(substream); 444 chip->ply_count = snd_pcm_lib_period_bytes(substream); 445 spin_lock_irq(&chip->reg_lock); 446 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT | 447 FM801_STEREO | FM801_RATE_MASK | 448 FM801_CHANNELS_MASK); 449 if (snd_pcm_format_width(runtime->format) == 16) 450 chip->ply_ctrl |= FM801_16BIT; 451 if (runtime->channels > 1) { 452 chip->ply_ctrl |= FM801_STEREO; 453 if (runtime->channels == 4) 454 chip->ply_ctrl |= FM801_CHANNELS_4; 455 else if (runtime->channels == 6) 456 chip->ply_ctrl |= FM801_CHANNELS_6; 457 } 458 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 459 chip->ply_buf = 0; 460 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 461 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1); 462 chip->ply_buffer = runtime->dma_addr; 463 chip->ply_pos = 0; 464 fm801_writel(chip, PLY_BUF1, chip->ply_buffer); 465 fm801_writel(chip, PLY_BUF2, 466 chip->ply_buffer + (chip->ply_count % chip->ply_size)); 467 spin_unlock_irq(&chip->reg_lock); 468 return 0; 469 } 470 471 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream) 472 { 473 struct fm801 *chip = snd_pcm_substream_chip(substream); 474 struct snd_pcm_runtime *runtime = substream->runtime; 475 476 chip->cap_size = snd_pcm_lib_buffer_bytes(substream); 477 chip->cap_count = snd_pcm_lib_period_bytes(substream); 478 spin_lock_irq(&chip->reg_lock); 479 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT | 480 FM801_STEREO | FM801_RATE_MASK); 481 if (snd_pcm_format_width(runtime->format) == 16) 482 chip->cap_ctrl |= FM801_16BIT; 483 if (runtime->channels > 1) 484 chip->cap_ctrl |= FM801_STEREO; 485 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 486 chip->cap_buf = 0; 487 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 488 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1); 489 chip->cap_buffer = runtime->dma_addr; 490 chip->cap_pos = 0; 491 fm801_writel(chip, CAP_BUF1, chip->cap_buffer); 492 fm801_writel(chip, CAP_BUF2, 493 chip->cap_buffer + (chip->cap_count % chip->cap_size)); 494 spin_unlock_irq(&chip->reg_lock); 495 return 0; 496 } 497 498 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream) 499 { 500 struct fm801 *chip = snd_pcm_substream_chip(substream); 501 size_t ptr; 502 503 if (!(chip->ply_ctrl & FM801_START)) 504 return 0; 505 spin_lock(&chip->reg_lock); 506 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT); 507 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) { 508 ptr += chip->ply_count; 509 ptr %= chip->ply_size; 510 } 511 spin_unlock(&chip->reg_lock); 512 return bytes_to_frames(substream->runtime, ptr); 513 } 514 515 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream) 516 { 517 struct fm801 *chip = snd_pcm_substream_chip(substream); 518 size_t ptr; 519 520 if (!(chip->cap_ctrl & FM801_START)) 521 return 0; 522 spin_lock(&chip->reg_lock); 523 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT); 524 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) { 525 ptr += chip->cap_count; 526 ptr %= chip->cap_size; 527 } 528 spin_unlock(&chip->reg_lock); 529 return bytes_to_frames(substream->runtime, ptr); 530 } 531 532 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id) 533 { 534 struct fm801 *chip = dev_id; 535 unsigned short status; 536 unsigned int tmp; 537 538 status = fm801_readw(chip, IRQ_STATUS); 539 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME; 540 if (! status) 541 return IRQ_NONE; 542 /* ack first */ 543 fm801_writew(chip, IRQ_STATUS, status); 544 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) { 545 spin_lock(&chip->reg_lock); 546 chip->ply_buf++; 547 chip->ply_pos += chip->ply_count; 548 chip->ply_pos %= chip->ply_size; 549 tmp = chip->ply_pos + chip->ply_count; 550 tmp %= chip->ply_size; 551 if (chip->ply_buf & 1) 552 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp); 553 else 554 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp); 555 spin_unlock(&chip->reg_lock); 556 snd_pcm_period_elapsed(chip->playback_substream); 557 } 558 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) { 559 spin_lock(&chip->reg_lock); 560 chip->cap_buf++; 561 chip->cap_pos += chip->cap_count; 562 chip->cap_pos %= chip->cap_size; 563 tmp = chip->cap_pos + chip->cap_count; 564 tmp %= chip->cap_size; 565 if (chip->cap_buf & 1) 566 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp); 567 else 568 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp); 569 spin_unlock(&chip->reg_lock); 570 snd_pcm_period_elapsed(chip->capture_substream); 571 } 572 if (chip->rmidi && (status & FM801_IRQ_MPU)) 573 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 574 if (status & FM801_IRQ_VOLUME) { 575 /* TODO */ 576 } 577 578 return IRQ_HANDLED; 579 } 580 581 static const struct snd_pcm_hardware snd_fm801_playback = 582 { 583 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 584 SNDRV_PCM_INFO_BLOCK_TRANSFER | 585 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 586 SNDRV_PCM_INFO_MMAP_VALID), 587 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 588 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 589 .rate_min = 5500, 590 .rate_max = 48000, 591 .channels_min = 1, 592 .channels_max = 2, 593 .buffer_bytes_max = (128*1024), 594 .period_bytes_min = 64, 595 .period_bytes_max = (128*1024), 596 .periods_min = 1, 597 .periods_max = 1024, 598 .fifo_size = 0, 599 }; 600 601 static const struct snd_pcm_hardware snd_fm801_capture = 602 { 603 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 604 SNDRV_PCM_INFO_BLOCK_TRANSFER | 605 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 606 SNDRV_PCM_INFO_MMAP_VALID), 607 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 608 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 609 .rate_min = 5500, 610 .rate_max = 48000, 611 .channels_min = 1, 612 .channels_max = 2, 613 .buffer_bytes_max = (128*1024), 614 .period_bytes_min = 64, 615 .period_bytes_max = (128*1024), 616 .periods_min = 1, 617 .periods_max = 1024, 618 .fifo_size = 0, 619 }; 620 621 static int snd_fm801_playback_open(struct snd_pcm_substream *substream) 622 { 623 struct fm801 *chip = snd_pcm_substream_chip(substream); 624 struct snd_pcm_runtime *runtime = substream->runtime; 625 int err; 626 627 chip->playback_substream = substream; 628 runtime->hw = snd_fm801_playback; 629 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 630 &hw_constraints_rates); 631 if (chip->multichannel) { 632 runtime->hw.channels_max = 6; 633 snd_pcm_hw_constraint_list(runtime, 0, 634 SNDRV_PCM_HW_PARAM_CHANNELS, 635 &hw_constraints_channels); 636 } 637 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 638 return err; 639 return 0; 640 } 641 642 static int snd_fm801_capture_open(struct snd_pcm_substream *substream) 643 { 644 struct fm801 *chip = snd_pcm_substream_chip(substream); 645 struct snd_pcm_runtime *runtime = substream->runtime; 646 int err; 647 648 chip->capture_substream = substream; 649 runtime->hw = snd_fm801_capture; 650 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 651 &hw_constraints_rates); 652 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 653 return err; 654 return 0; 655 } 656 657 static int snd_fm801_playback_close(struct snd_pcm_substream *substream) 658 { 659 struct fm801 *chip = snd_pcm_substream_chip(substream); 660 661 chip->playback_substream = NULL; 662 return 0; 663 } 664 665 static int snd_fm801_capture_close(struct snd_pcm_substream *substream) 666 { 667 struct fm801 *chip = snd_pcm_substream_chip(substream); 668 669 chip->capture_substream = NULL; 670 return 0; 671 } 672 673 static const struct snd_pcm_ops snd_fm801_playback_ops = { 674 .open = snd_fm801_playback_open, 675 .close = snd_fm801_playback_close, 676 .prepare = snd_fm801_playback_prepare, 677 .trigger = snd_fm801_playback_trigger, 678 .pointer = snd_fm801_playback_pointer, 679 }; 680 681 static const struct snd_pcm_ops snd_fm801_capture_ops = { 682 .open = snd_fm801_capture_open, 683 .close = snd_fm801_capture_close, 684 .prepare = snd_fm801_capture_prepare, 685 .trigger = snd_fm801_capture_trigger, 686 .pointer = snd_fm801_capture_pointer, 687 }; 688 689 static int snd_fm801_pcm(struct fm801 *chip, int device) 690 { 691 struct pci_dev *pdev = to_pci_dev(chip->dev); 692 struct snd_pcm *pcm; 693 int err; 694 695 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0) 696 return err; 697 698 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops); 699 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops); 700 701 pcm->private_data = chip; 702 pcm->info_flags = 0; 703 strcpy(pcm->name, "FM801"); 704 chip->pcm = pcm; 705 706 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev, 707 chip->multichannel ? 128*1024 : 64*1024, 128*1024); 708 709 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 710 snd_pcm_alt_chmaps, 711 chip->multichannel ? 6 : 2, 0, 712 NULL); 713 } 714 715 /* 716 * TEA5757 radio 717 */ 718 719 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 720 721 /* GPIO to TEA575x maps */ 722 struct snd_fm801_tea575x_gpio { 723 u8 data, clk, wren, most; 724 char *name; 725 }; 726 727 static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = { 728 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" }, 729 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" }, 730 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" }, 731 }; 732 733 #define get_tea575x_gpio(chip) \ 734 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1]) 735 736 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins) 737 { 738 struct fm801 *chip = tea->private_data; 739 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 740 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 741 742 reg &= ~(FM801_GPIO_GP(gpio.data) | 743 FM801_GPIO_GP(gpio.clk) | 744 FM801_GPIO_GP(gpio.wren)); 745 746 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0; 747 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0; 748 /* WRITE_ENABLE is inverted */ 749 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren); 750 751 fm801_writew(chip, GPIO_CTRL, reg); 752 } 753 754 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea) 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 u8 ret; 760 761 ret = 0; 762 if (reg & FM801_GPIO_GP(gpio.data)) 763 ret |= TEA575X_DATA; 764 if (reg & FM801_GPIO_GP(gpio.most)) 765 ret |= TEA575X_MOST; 766 return ret; 767 } 768 769 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output) 770 { 771 struct fm801 *chip = tea->private_data; 772 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 773 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 774 775 /* use GPIO lines and set write enable bit */ 776 reg |= FM801_GPIO_GS(gpio.data) | 777 FM801_GPIO_GS(gpio.wren) | 778 FM801_GPIO_GS(gpio.clk) | 779 FM801_GPIO_GS(gpio.most); 780 if (output) { 781 /* all of lines are in the write direction */ 782 /* clear data and clock lines */ 783 reg &= ~(FM801_GPIO_GD(gpio.data) | 784 FM801_GPIO_GD(gpio.wren) | 785 FM801_GPIO_GD(gpio.clk) | 786 FM801_GPIO_GP(gpio.data) | 787 FM801_GPIO_GP(gpio.clk) | 788 FM801_GPIO_GP(gpio.wren)); 789 } else { 790 /* use GPIO lines, set data direction to input */ 791 reg |= FM801_GPIO_GD(gpio.data) | 792 FM801_GPIO_GD(gpio.most) | 793 FM801_GPIO_GP(gpio.data) | 794 FM801_GPIO_GP(gpio.most) | 795 FM801_GPIO_GP(gpio.wren); 796 /* all of lines are in the write direction, except data */ 797 /* clear data, write enable and clock lines */ 798 reg &= ~(FM801_GPIO_GD(gpio.wren) | 799 FM801_GPIO_GD(gpio.clk) | 800 FM801_GPIO_GP(gpio.clk)); 801 } 802 803 fm801_writew(chip, GPIO_CTRL, reg); 804 } 805 806 static const struct snd_tea575x_ops snd_fm801_tea_ops = { 807 .set_pins = snd_fm801_tea575x_set_pins, 808 .get_pins = snd_fm801_tea575x_get_pins, 809 .set_direction = snd_fm801_tea575x_set_direction, 810 }; 811 #endif 812 813 /* 814 * Mixer routines 815 */ 816 817 #define FM801_SINGLE(xname, reg, shift, mask, invert) \ 818 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \ 819 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \ 820 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 821 822 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol, 823 struct snd_ctl_elem_info *uinfo) 824 { 825 int mask = (kcontrol->private_value >> 16) & 0xff; 826 827 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 828 uinfo->count = 1; 829 uinfo->value.integer.min = 0; 830 uinfo->value.integer.max = mask; 831 return 0; 832 } 833 834 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol, 835 struct snd_ctl_elem_value *ucontrol) 836 { 837 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 838 int reg = kcontrol->private_value & 0xff; 839 int shift = (kcontrol->private_value >> 8) & 0xff; 840 int mask = (kcontrol->private_value >> 16) & 0xff; 841 int invert = (kcontrol->private_value >> 24) & 0xff; 842 long *value = ucontrol->value.integer.value; 843 844 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask; 845 if (invert) 846 value[0] = mask - value[0]; 847 return 0; 848 } 849 850 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol, 851 struct snd_ctl_elem_value *ucontrol) 852 { 853 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 854 int reg = kcontrol->private_value & 0xff; 855 int shift = (kcontrol->private_value >> 8) & 0xff; 856 int mask = (kcontrol->private_value >> 16) & 0xff; 857 int invert = (kcontrol->private_value >> 24) & 0xff; 858 unsigned short val; 859 860 val = (ucontrol->value.integer.value[0] & mask); 861 if (invert) 862 val = mask - val; 863 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift); 864 } 865 866 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ 867 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \ 868 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 869 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) } 870 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ 871 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 872 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 873 .name = xname, .info = snd_fm801_info_double, \ 874 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 875 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \ 876 .tlv = { .p = (xtlv) } } 877 878 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol, 879 struct snd_ctl_elem_info *uinfo) 880 { 881 int mask = (kcontrol->private_value >> 16) & 0xff; 882 883 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 884 uinfo->count = 2; 885 uinfo->value.integer.min = 0; 886 uinfo->value.integer.max = mask; 887 return 0; 888 } 889 890 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol, 891 struct snd_ctl_elem_value *ucontrol) 892 { 893 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 894 int reg = kcontrol->private_value & 0xff; 895 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 896 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 897 int mask = (kcontrol->private_value >> 16) & 0xff; 898 int invert = (kcontrol->private_value >> 24) & 0xff; 899 long *value = ucontrol->value.integer.value; 900 901 spin_lock_irq(&chip->reg_lock); 902 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask; 903 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask; 904 spin_unlock_irq(&chip->reg_lock); 905 if (invert) { 906 value[0] = mask - value[0]; 907 value[1] = mask - value[1]; 908 } 909 return 0; 910 } 911 912 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol, 913 struct snd_ctl_elem_value *ucontrol) 914 { 915 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 916 int reg = kcontrol->private_value & 0xff; 917 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 918 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 919 int mask = (kcontrol->private_value >> 16) & 0xff; 920 int invert = (kcontrol->private_value >> 24) & 0xff; 921 unsigned short val1, val2; 922 923 val1 = ucontrol->value.integer.value[0] & mask; 924 val2 = ucontrol->value.integer.value[1] & mask; 925 if (invert) { 926 val1 = mask - val1; 927 val2 = mask - val2; 928 } 929 return snd_fm801_update_bits(chip, reg, 930 (mask << shift_left) | (mask << shift_right), 931 (val1 << shift_left ) | (val2 << shift_right)); 932 } 933 934 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol, 935 struct snd_ctl_elem_info *uinfo) 936 { 937 static const char * const texts[5] = { 938 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary" 939 }; 940 941 return snd_ctl_enum_info(uinfo, 1, 5, texts); 942 } 943 944 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol, 945 struct snd_ctl_elem_value *ucontrol) 946 { 947 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 948 unsigned short val; 949 950 val = fm801_readw(chip, REC_SRC) & 7; 951 if (val > 4) 952 val = 4; 953 ucontrol->value.enumerated.item[0] = val; 954 return 0; 955 } 956 957 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol, 958 struct snd_ctl_elem_value *ucontrol) 959 { 960 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 961 unsigned short val; 962 963 if ((val = ucontrol->value.enumerated.item[0]) > 4) 964 return -EINVAL; 965 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val); 966 } 967 968 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0); 969 970 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls) 971 972 static const struct snd_kcontrol_new snd_fm801_controls[] = { 973 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1, 974 db_scale_dsp), 975 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1), 976 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1, 977 db_scale_dsp), 978 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1), 979 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1, 980 db_scale_dsp), 981 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1), 982 { 983 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 984 .name = "Digital Capture Source", 985 .info = snd_fm801_info_mux, 986 .get = snd_fm801_get_mux, 987 .put = snd_fm801_put_mux, 988 } 989 }; 990 991 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi) 992 993 static const struct snd_kcontrol_new snd_fm801_controls_multi[] = { 994 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0), 995 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0), 996 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0), 997 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0), 998 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0), 999 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0), 1000 }; 1001 1002 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1003 { 1004 struct fm801 *chip = bus->private_data; 1005 chip->ac97_bus = NULL; 1006 } 1007 1008 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97) 1009 { 1010 struct fm801 *chip = ac97->private_data; 1011 if (ac97->num == 0) { 1012 chip->ac97 = NULL; 1013 } else { 1014 chip->ac97_sec = NULL; 1015 } 1016 } 1017 1018 static int snd_fm801_mixer(struct fm801 *chip) 1019 { 1020 struct snd_ac97_template ac97; 1021 unsigned int i; 1022 int err; 1023 static const struct snd_ac97_bus_ops ops = { 1024 .write = snd_fm801_codec_write, 1025 .read = snd_fm801_codec_read, 1026 }; 1027 1028 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1029 return err; 1030 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus; 1031 1032 memset(&ac97, 0, sizeof(ac97)); 1033 ac97.private_data = chip; 1034 ac97.private_free = snd_fm801_mixer_free_ac97; 1035 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1036 return err; 1037 if (chip->secondary) { 1038 ac97.num = 1; 1039 ac97.addr = chip->secondary_addr; 1040 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0) 1041 return err; 1042 } 1043 for (i = 0; i < FM801_CONTROLS; i++) { 1044 err = snd_ctl_add(chip->card, 1045 snd_ctl_new1(&snd_fm801_controls[i], chip)); 1046 if (err < 0) 1047 return err; 1048 } 1049 if (chip->multichannel) { 1050 for (i = 0; i < FM801_CONTROLS_MULTI; i++) { 1051 err = snd_ctl_add(chip->card, 1052 snd_ctl_new1(&snd_fm801_controls_multi[i], chip)); 1053 if (err < 0) 1054 return err; 1055 } 1056 } 1057 return 0; 1058 } 1059 1060 /* 1061 * initialization routines 1062 */ 1063 1064 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id, 1065 unsigned short reg, unsigned long waits) 1066 { 1067 unsigned long timeout = jiffies + waits; 1068 1069 fm801_writew(chip, AC97_CMD, 1070 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 1071 udelay(5); 1072 do { 1073 if ((fm801_readw(chip, AC97_CMD) & 1074 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID) 1075 return 0; 1076 schedule_timeout_uninterruptible(1); 1077 } while (time_after(timeout, jiffies)); 1078 return -EIO; 1079 } 1080 1081 static int reset_codec(struct fm801 *chip) 1082 { 1083 /* codec cold reset + AC'97 warm reset */ 1084 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6)); 1085 fm801_readw(chip, CODEC_CTRL); /* flush posting data */ 1086 udelay(100); 1087 fm801_writew(chip, CODEC_CTRL, 0); 1088 1089 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)); 1090 } 1091 1092 static void snd_fm801_chip_multichannel_init(struct fm801 *chip) 1093 { 1094 unsigned short cmdw; 1095 1096 if (chip->multichannel) { 1097 if (chip->secondary_addr) { 1098 wait_for_codec(chip, chip->secondary_addr, 1099 AC97_VENDOR_ID1, msecs_to_jiffies(50)); 1100 } else { 1101 /* my card has the secondary codec */ 1102 /* at address #3, so the loop is inverted */ 1103 int i; 1104 for (i = 3; i > 0; i--) { 1105 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1, 1106 msecs_to_jiffies(50))) { 1107 cmdw = fm801_readw(chip, AC97_DATA); 1108 if (cmdw != 0xffff && cmdw != 0) { 1109 chip->secondary = 1; 1110 chip->secondary_addr = i; 1111 break; 1112 } 1113 } 1114 } 1115 } 1116 1117 /* the recovery phase, it seems that probing for non-existing codec might */ 1118 /* cause timeout problems */ 1119 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750)); 1120 } 1121 } 1122 1123 static void snd_fm801_chip_init(struct fm801 *chip) 1124 { 1125 unsigned short cmdw; 1126 1127 /* init volume */ 1128 fm801_writew(chip, PCM_VOL, 0x0808); 1129 fm801_writew(chip, FM_VOL, 0x9f1f); 1130 fm801_writew(chip, I2S_VOL, 0x8808); 1131 1132 /* I2S control - I2S mode */ 1133 fm801_writew(chip, I2S_MODE, 0x0003); 1134 1135 /* interrupt setup */ 1136 cmdw = fm801_readw(chip, IRQ_MASK); 1137 if (chip->irq < 0) 1138 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */ 1139 else 1140 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */ 1141 fm801_writew(chip, IRQ_MASK, cmdw); 1142 1143 /* interrupt clear */ 1144 fm801_writew(chip, IRQ_STATUS, 1145 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU); 1146 } 1147 1148 static int snd_fm801_free(struct fm801 *chip) 1149 { 1150 unsigned short cmdw; 1151 1152 if (chip->irq < 0) 1153 goto __end_hw; 1154 1155 /* interrupt setup - mask everything */ 1156 cmdw = fm801_readw(chip, IRQ_MASK); 1157 cmdw |= 0x00c3; 1158 fm801_writew(chip, IRQ_MASK, cmdw); 1159 1160 devm_free_irq(chip->dev, chip->irq, chip); 1161 1162 __end_hw: 1163 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1164 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1165 snd_tea575x_exit(&chip->tea); 1166 v4l2_device_unregister(&chip->v4l2_dev); 1167 } 1168 #endif 1169 return 0; 1170 } 1171 1172 static int snd_fm801_dev_free(struct snd_device *device) 1173 { 1174 struct fm801 *chip = device->device_data; 1175 return snd_fm801_free(chip); 1176 } 1177 1178 static int snd_fm801_create(struct snd_card *card, 1179 struct pci_dev *pci, 1180 int tea575x_tuner, 1181 int radio_nr, 1182 struct fm801 **rchip) 1183 { 1184 struct fm801 *chip; 1185 int err; 1186 static const struct snd_device_ops ops = { 1187 .dev_free = snd_fm801_dev_free, 1188 }; 1189 1190 *rchip = NULL; 1191 if ((err = pcim_enable_device(pci)) < 0) 1192 return err; 1193 chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL); 1194 if (chip == NULL) 1195 return -ENOMEM; 1196 spin_lock_init(&chip->reg_lock); 1197 chip->card = card; 1198 chip->dev = &pci->dev; 1199 chip->irq = -1; 1200 chip->tea575x_tuner = tea575x_tuner; 1201 if ((err = pci_request_regions(pci, "FM801")) < 0) 1202 return err; 1203 chip->port = pci_resource_start(pci, 0); 1204 1205 if (pci->revision >= 0xb1) /* FM801-AU */ 1206 chip->multichannel = 1; 1207 1208 if (!(chip->tea575x_tuner & TUNER_ONLY)) { 1209 if (reset_codec(chip) < 0) { 1210 dev_info(chip->card->dev, 1211 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n"); 1212 chip->tea575x_tuner = 3 | TUNER_ONLY; 1213 } else { 1214 snd_fm801_chip_multichannel_init(chip); 1215 } 1216 } 1217 1218 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) { 1219 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt, 1220 IRQF_SHARED, KBUILD_MODNAME, chip)) { 1221 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 1222 snd_fm801_free(chip); 1223 return -EBUSY; 1224 } 1225 chip->irq = pci->irq; 1226 card->sync_irq = chip->irq; 1227 pci_set_master(pci); 1228 } 1229 1230 snd_fm801_chip_init(chip); 1231 1232 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1233 snd_fm801_free(chip); 1234 return err; 1235 } 1236 1237 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1238 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev); 1239 if (err < 0) { 1240 snd_fm801_free(chip); 1241 return err; 1242 } 1243 chip->tea.v4l2_dev = &chip->v4l2_dev; 1244 chip->tea.radio_nr = radio_nr; 1245 chip->tea.private_data = chip; 1246 chip->tea.ops = &snd_fm801_tea_ops; 1247 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci)); 1248 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 && 1249 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) { 1250 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1251 dev_err(card->dev, "TEA575x radio not found\n"); 1252 snd_fm801_free(chip); 1253 return -ENODEV; 1254 } 1255 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) { 1256 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY; 1257 1258 /* autodetect tuner connection */ 1259 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) { 1260 chip->tea575x_tuner = tea575x_tuner; 1261 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1262 dev_info(card->dev, 1263 "detected TEA575x radio type %s\n", 1264 get_tea575x_gpio(chip)->name); 1265 break; 1266 } 1267 } 1268 if (tea575x_tuner == 4) { 1269 dev_err(card->dev, "TEA575x radio not found\n"); 1270 chip->tea575x_tuner = TUNER_DISABLED; 1271 } 1272 1273 chip->tea575x_tuner |= tuner_only; 1274 } 1275 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1276 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name, 1277 sizeof(chip->tea.card)); 1278 } 1279 #endif 1280 1281 *rchip = chip; 1282 return 0; 1283 } 1284 1285 static int snd_card_fm801_probe(struct pci_dev *pci, 1286 const struct pci_device_id *pci_id) 1287 { 1288 static int dev; 1289 struct snd_card *card; 1290 struct fm801 *chip; 1291 struct snd_opl3 *opl3; 1292 int err; 1293 1294 if (dev >= SNDRV_CARDS) 1295 return -ENODEV; 1296 if (!enable[dev]) { 1297 dev++; 1298 return -ENOENT; 1299 } 1300 1301 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1302 0, &card); 1303 if (err < 0) 1304 return err; 1305 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) { 1306 snd_card_free(card); 1307 return err; 1308 } 1309 card->private_data = chip; 1310 1311 strcpy(card->driver, "FM801"); 1312 strcpy(card->shortname, "ForteMedia FM801-"); 1313 strcat(card->shortname, chip->multichannel ? "AU" : "AS"); 1314 sprintf(card->longname, "%s at 0x%lx, irq %i", 1315 card->shortname, chip->port, chip->irq); 1316 1317 if (chip->tea575x_tuner & TUNER_ONLY) 1318 goto __fm801_tuner_only; 1319 1320 if ((err = snd_fm801_pcm(chip, 0)) < 0) { 1321 snd_card_free(card); 1322 return err; 1323 } 1324 if ((err = snd_fm801_mixer(chip)) < 0) { 1325 snd_card_free(card); 1326 return err; 1327 } 1328 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801, 1329 chip->port + FM801_MPU401_DATA, 1330 MPU401_INFO_INTEGRATED | 1331 MPU401_INFO_IRQ_HOOK, 1332 -1, &chip->rmidi)) < 0) { 1333 snd_card_free(card); 1334 return err; 1335 } 1336 if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0, 1337 chip->port + FM801_OPL3_BANK1, 1338 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) { 1339 snd_card_free(card); 1340 return err; 1341 } 1342 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { 1343 snd_card_free(card); 1344 return err; 1345 } 1346 1347 __fm801_tuner_only: 1348 if ((err = snd_card_register(card)) < 0) { 1349 snd_card_free(card); 1350 return err; 1351 } 1352 pci_set_drvdata(pci, card); 1353 dev++; 1354 return 0; 1355 } 1356 1357 static void snd_card_fm801_remove(struct pci_dev *pci) 1358 { 1359 snd_card_free(pci_get_drvdata(pci)); 1360 } 1361 1362 #ifdef CONFIG_PM_SLEEP 1363 static const unsigned char saved_regs[] = { 1364 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC, 1365 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2, 1366 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2, 1367 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL, 1368 }; 1369 1370 static int snd_fm801_suspend(struct device *dev) 1371 { 1372 struct snd_card *card = dev_get_drvdata(dev); 1373 struct fm801 *chip = card->private_data; 1374 int i; 1375 1376 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1377 1378 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1379 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]); 1380 1381 if (chip->tea575x_tuner & TUNER_ONLY) { 1382 /* FIXME: tea575x suspend */ 1383 } else { 1384 snd_ac97_suspend(chip->ac97); 1385 snd_ac97_suspend(chip->ac97_sec); 1386 } 1387 1388 return 0; 1389 } 1390 1391 static int snd_fm801_resume(struct device *dev) 1392 { 1393 struct snd_card *card = dev_get_drvdata(dev); 1394 struct fm801 *chip = card->private_data; 1395 int i; 1396 1397 if (chip->tea575x_tuner & TUNER_ONLY) { 1398 snd_fm801_chip_init(chip); 1399 } else { 1400 reset_codec(chip); 1401 snd_fm801_chip_multichannel_init(chip); 1402 snd_fm801_chip_init(chip); 1403 snd_ac97_resume(chip->ac97); 1404 snd_ac97_resume(chip->ac97_sec); 1405 } 1406 1407 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1408 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]); 1409 1410 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1411 if (!(chip->tea575x_tuner & TUNER_DISABLED)) 1412 snd_tea575x_set_freq(&chip->tea); 1413 #endif 1414 1415 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1416 return 0; 1417 } 1418 1419 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume); 1420 #define SND_FM801_PM_OPS &snd_fm801_pm 1421 #else 1422 #define SND_FM801_PM_OPS NULL 1423 #endif /* CONFIG_PM_SLEEP */ 1424 1425 static struct pci_driver fm801_driver = { 1426 .name = KBUILD_MODNAME, 1427 .id_table = snd_fm801_ids, 1428 .probe = snd_card_fm801_probe, 1429 .remove = snd_card_fm801_remove, 1430 .driver = { 1431 .pm = SND_FM801_PM_OPS, 1432 }, 1433 }; 1434 1435 module_pci_driver(fm801_driver); 1436