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 30 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 31 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 32 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 33 /* 34 * Enable TEA575x tuner 35 * 1 = MediaForte 256-PCS 36 * 2 = MediaForte 256-PCP 37 * 3 = MediaForte 64-PCR 38 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card 39 * High 16-bits are video (radio) device number + 1 40 */ 41 static int tea575x_tuner[SNDRV_CARDS]; 42 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; 43 44 module_param_array(index, int, NULL, 0444); 45 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard."); 46 module_param_array(id, charp, NULL, 0444); 47 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard."); 48 module_param_array(enable, bool, NULL, 0444); 49 MODULE_PARM_DESC(enable, "Enable FM801 soundcard."); 50 module_param_array(tea575x_tuner, int, NULL, 0444); 51 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)."); 52 module_param_array(radio_nr, int, NULL, 0444); 53 MODULE_PARM_DESC(radio_nr, "Radio device numbers"); 54 55 56 #define TUNER_DISABLED (1<<3) 57 #define TUNER_ONLY (1<<4) 58 #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF) 59 60 /* 61 * Direct registers 62 */ 63 64 #define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg) 65 #define fm801_readw(chip,reg) inw(chip->port + FM801_##reg) 66 67 #define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg) 68 69 #define FM801_PCM_VOL 0x00 /* PCM Output Volume */ 70 #define FM801_FM_VOL 0x02 /* FM Output Volume */ 71 #define FM801_I2S_VOL 0x04 /* I2S Volume */ 72 #define FM801_REC_SRC 0x06 /* Record Source */ 73 #define FM801_PLY_CTRL 0x08 /* Playback Control */ 74 #define FM801_PLY_COUNT 0x0a /* Playback Count */ 75 #define FM801_PLY_BUF1 0x0c /* Playback Bufer I */ 76 #define FM801_PLY_BUF2 0x10 /* Playback Buffer II */ 77 #define FM801_CAP_CTRL 0x14 /* Capture Control */ 78 #define FM801_CAP_COUNT 0x16 /* Capture Count */ 79 #define FM801_CAP_BUF1 0x18 /* Capture Buffer I */ 80 #define FM801_CAP_BUF2 0x1c /* Capture Buffer II */ 81 #define FM801_CODEC_CTRL 0x22 /* Codec Control */ 82 #define FM801_I2S_MODE 0x24 /* I2S Mode Control */ 83 #define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */ 84 #define FM801_I2C_CTRL 0x29 /* I2C Control */ 85 #define FM801_AC97_CMD 0x2a /* AC'97 Command */ 86 #define FM801_AC97_DATA 0x2c /* AC'97 Data */ 87 #define FM801_MPU401_DATA 0x30 /* MPU401 Data */ 88 #define FM801_MPU401_CMD 0x31 /* MPU401 Command */ 89 #define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */ 90 #define FM801_GEN_CTRL 0x54 /* General Control */ 91 #define FM801_IRQ_MASK 0x56 /* Interrupt Mask */ 92 #define FM801_IRQ_STATUS 0x5a /* Interrupt Status */ 93 #define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */ 94 #define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */ 95 #define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */ 96 #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */ 97 #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */ 98 99 /* codec access */ 100 #define FM801_AC97_READ (1<<7) /* read=1, write=0 */ 101 #define FM801_AC97_VALID (1<<8) /* port valid=1 */ 102 #define FM801_AC97_BUSY (1<<9) /* busy=1 */ 103 #define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */ 104 105 /* playback and record control register bits */ 106 #define FM801_BUF1_LAST (1<<1) 107 #define FM801_BUF2_LAST (1<<2) 108 #define FM801_START (1<<5) 109 #define FM801_PAUSE (1<<6) 110 #define FM801_IMMED_STOP (1<<7) 111 #define FM801_RATE_SHIFT 8 112 #define FM801_RATE_MASK (15 << FM801_RATE_SHIFT) 113 #define FM801_CHANNELS_4 (1<<12) /* playback only */ 114 #define FM801_CHANNELS_6 (2<<12) /* playback only */ 115 #define FM801_CHANNELS_6MS (3<<12) /* playback only */ 116 #define FM801_CHANNELS_MASK (3<<12) 117 #define FM801_16BIT (1<<14) 118 #define FM801_STEREO (1<<15) 119 120 /* IRQ status bits */ 121 #define FM801_IRQ_PLAYBACK (1<<8) 122 #define FM801_IRQ_CAPTURE (1<<9) 123 #define FM801_IRQ_VOLUME (1<<14) 124 #define FM801_IRQ_MPU (1<<15) 125 126 /* GPIO control register */ 127 #define FM801_GPIO_GP0 (1<<0) /* read/write */ 128 #define FM801_GPIO_GP1 (1<<1) 129 #define FM801_GPIO_GP2 (1<<2) 130 #define FM801_GPIO_GP3 (1<<3) 131 #define FM801_GPIO_GP(x) (1<<(0+(x))) 132 #define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/ 133 #define FM801_GPIO_GD1 (1<<9) 134 #define FM801_GPIO_GD2 (1<<10) 135 #define FM801_GPIO_GD3 (1<<11) 136 #define FM801_GPIO_GD(x) (1<<(8+(x))) 137 #define FM801_GPIO_GS0 (1<<12) /* function select: */ 138 #define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */ 139 #define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */ 140 #define FM801_GPIO_GS3 (1<<15) 141 #define FM801_GPIO_GS(x) (1<<(12+(x))) 142 143 /** 144 * struct fm801 - describes FM801 chip 145 * @dev: device for this chio 146 * @irq: irq number 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 * @ply_buffer: playback buffer 155 * @ply_buf: playback buffer index 156 * @ply_count: playback buffer count 157 * @ply_size: playback buffer size 158 * @ply_pos: playback position 159 * @cap_buffer: capture buffer 160 * @cap_buf: capture buffer index 161 * @cap_count: capture buffer count 162 * @cap_size: capture buffer size 163 * @cap_pos: capture position 164 * @ac97_bus: ac97 bus handle 165 * @ac97: ac97 handle 166 * @ac97_sec: ac97 secondary handle 167 * @card: ALSA card 168 * @pcm: PCM devices 169 * @rmidi: rmidi device 170 * @playback_substream: substream for playback 171 * @capture_substream: substream for capture 172 * @p_dma_size: playback DMA size 173 * @c_dma_size: capture DMA size 174 * @reg_lock: lock 175 * @proc_entry: /proc entry 176 * @v4l2_dev: v4l2 device 177 * @tea: tea575a structure 178 * @saved_regs: context saved during suspend 179 */ 180 struct fm801 { 181 struct device *dev; 182 int irq; 183 184 unsigned long port; 185 unsigned int multichannel: 1, 186 secondary: 1; 187 unsigned char secondary_addr; 188 unsigned int tea575x_tuner; 189 190 unsigned short ply_ctrl; 191 unsigned short cap_ctrl; 192 193 unsigned long ply_buffer; 194 unsigned int ply_buf; 195 unsigned int ply_count; 196 unsigned int ply_size; 197 unsigned int ply_pos; 198 199 unsigned long cap_buffer; 200 unsigned int cap_buf; 201 unsigned int cap_count; 202 unsigned int cap_size; 203 unsigned int cap_pos; 204 205 struct snd_ac97_bus *ac97_bus; 206 struct snd_ac97 *ac97; 207 struct snd_ac97 *ac97_sec; 208 209 struct snd_card *card; 210 struct snd_pcm *pcm; 211 struct snd_rawmidi *rmidi; 212 struct snd_pcm_substream *playback_substream; 213 struct snd_pcm_substream *capture_substream; 214 unsigned int p_dma_size; 215 unsigned int c_dma_size; 216 217 spinlock_t reg_lock; 218 struct snd_info_entry *proc_entry; 219 220 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 221 struct v4l2_device v4l2_dev; 222 struct snd_tea575x tea; 223 #endif 224 225 u16 saved_regs[0x20]; 226 }; 227 228 /* 229 * IO accessors 230 */ 231 232 static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value) 233 { 234 outw(value, chip->port + offset); 235 } 236 237 static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset) 238 { 239 return inw(chip->port + offset); 240 } 241 242 static const struct pci_device_id snd_fm801_ids[] = { 243 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */ 244 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */ 245 { 0, } 246 }; 247 248 MODULE_DEVICE_TABLE(pci, snd_fm801_ids); 249 250 /* 251 * common I/O routines 252 */ 253 254 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations) 255 { 256 unsigned int idx; 257 258 for (idx = 0; idx < iterations; idx++) { 259 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY)) 260 return true; 261 udelay(10); 262 } 263 return false; 264 } 265 266 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations) 267 { 268 unsigned int idx; 269 270 for (idx = 0; idx < iterations; idx++) { 271 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID) 272 return true; 273 udelay(10); 274 } 275 return false; 276 } 277 278 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg, 279 unsigned short mask, unsigned short value) 280 { 281 int change; 282 unsigned long flags; 283 unsigned short old, new; 284 285 spin_lock_irqsave(&chip->reg_lock, flags); 286 old = fm801_ioread16(chip, reg); 287 new = (old & ~mask) | value; 288 change = old != new; 289 if (change) 290 fm801_iowrite16(chip, reg, new); 291 spin_unlock_irqrestore(&chip->reg_lock, flags); 292 return change; 293 } 294 295 static void snd_fm801_codec_write(struct snd_ac97 *ac97, 296 unsigned short reg, 297 unsigned short val) 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; 307 } 308 309 /* write data and address */ 310 fm801_writew(chip, AC97_DATA, val); 311 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT)); 312 /* 313 * Wait until the write command is not completed.. 314 */ 315 if (!fm801_ac97_is_ready(chip, 1000)) 316 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 317 ac97->num); 318 } 319 320 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg) 321 { 322 struct fm801 *chip = ac97->private_data; 323 324 /* 325 * Wait until the codec interface is not ready.. 326 */ 327 if (!fm801_ac97_is_ready(chip, 100)) { 328 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n"); 329 return 0; 330 } 331 332 /* read command */ 333 fm801_writew(chip, AC97_CMD, 334 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 335 if (!fm801_ac97_is_ready(chip, 100)) { 336 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 337 ac97->num); 338 return 0; 339 } 340 341 if (!fm801_ac97_is_valid(chip, 1000)) { 342 dev_err(chip->card->dev, 343 "AC'97 interface #%d is not valid (2)\n", ac97->num); 344 return 0; 345 } 346 347 return fm801_readw(chip, AC97_DATA); 348 } 349 350 static const unsigned int rates[] = { 351 5500, 8000, 9600, 11025, 352 16000, 19200, 22050, 32000, 353 38400, 44100, 48000 354 }; 355 356 static const struct snd_pcm_hw_constraint_list hw_constraints_rates = { 357 .count = ARRAY_SIZE(rates), 358 .list = rates, 359 .mask = 0, 360 }; 361 362 static const unsigned int channels[] = { 363 2, 4, 6 364 }; 365 366 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 367 .count = ARRAY_SIZE(channels), 368 .list = channels, 369 .mask = 0, 370 }; 371 372 /* 373 * Sample rate routines 374 */ 375 376 static unsigned short snd_fm801_rate_bits(unsigned int rate) 377 { 378 unsigned int idx; 379 380 for (idx = 0; idx < ARRAY_SIZE(rates); idx++) 381 if (rates[idx] == rate) 382 return idx; 383 snd_BUG(); 384 return ARRAY_SIZE(rates) - 1; 385 } 386 387 /* 388 * PCM part 389 */ 390 391 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream, 392 int cmd) 393 { 394 struct fm801 *chip = snd_pcm_substream_chip(substream); 395 396 spin_lock(&chip->reg_lock); 397 switch (cmd) { 398 case SNDRV_PCM_TRIGGER_START: 399 chip->ply_ctrl &= ~(FM801_BUF1_LAST | 400 FM801_BUF2_LAST | 401 FM801_PAUSE); 402 chip->ply_ctrl |= FM801_START | 403 FM801_IMMED_STOP; 404 break; 405 case SNDRV_PCM_TRIGGER_STOP: 406 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE); 407 break; 408 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 409 case SNDRV_PCM_TRIGGER_SUSPEND: 410 chip->ply_ctrl |= FM801_PAUSE; 411 break; 412 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 413 case SNDRV_PCM_TRIGGER_RESUME: 414 chip->ply_ctrl &= ~FM801_PAUSE; 415 break; 416 default: 417 spin_unlock(&chip->reg_lock); 418 snd_BUG(); 419 return -EINVAL; 420 } 421 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 422 spin_unlock(&chip->reg_lock); 423 return 0; 424 } 425 426 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream, 427 int cmd) 428 { 429 struct fm801 *chip = snd_pcm_substream_chip(substream); 430 431 spin_lock(&chip->reg_lock); 432 switch (cmd) { 433 case SNDRV_PCM_TRIGGER_START: 434 chip->cap_ctrl &= ~(FM801_BUF1_LAST | 435 FM801_BUF2_LAST | 436 FM801_PAUSE); 437 chip->cap_ctrl |= FM801_START | 438 FM801_IMMED_STOP; 439 break; 440 case SNDRV_PCM_TRIGGER_STOP: 441 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE); 442 break; 443 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 444 case SNDRV_PCM_TRIGGER_SUSPEND: 445 chip->cap_ctrl |= FM801_PAUSE; 446 break; 447 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 448 case SNDRV_PCM_TRIGGER_RESUME: 449 chip->cap_ctrl &= ~FM801_PAUSE; 450 break; 451 default: 452 spin_unlock(&chip->reg_lock); 453 snd_BUG(); 454 return -EINVAL; 455 } 456 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 457 spin_unlock(&chip->reg_lock); 458 return 0; 459 } 460 461 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream) 462 { 463 struct fm801 *chip = snd_pcm_substream_chip(substream); 464 struct snd_pcm_runtime *runtime = substream->runtime; 465 466 chip->ply_size = snd_pcm_lib_buffer_bytes(substream); 467 chip->ply_count = snd_pcm_lib_period_bytes(substream); 468 spin_lock_irq(&chip->reg_lock); 469 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT | 470 FM801_STEREO | FM801_RATE_MASK | 471 FM801_CHANNELS_MASK); 472 if (snd_pcm_format_width(runtime->format) == 16) 473 chip->ply_ctrl |= FM801_16BIT; 474 if (runtime->channels > 1) { 475 chip->ply_ctrl |= FM801_STEREO; 476 if (runtime->channels == 4) 477 chip->ply_ctrl |= FM801_CHANNELS_4; 478 else if (runtime->channels == 6) 479 chip->ply_ctrl |= FM801_CHANNELS_6; 480 } 481 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 482 chip->ply_buf = 0; 483 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 484 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1); 485 chip->ply_buffer = runtime->dma_addr; 486 chip->ply_pos = 0; 487 fm801_writel(chip, PLY_BUF1, chip->ply_buffer); 488 fm801_writel(chip, PLY_BUF2, 489 chip->ply_buffer + (chip->ply_count % chip->ply_size)); 490 spin_unlock_irq(&chip->reg_lock); 491 return 0; 492 } 493 494 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream) 495 { 496 struct fm801 *chip = snd_pcm_substream_chip(substream); 497 struct snd_pcm_runtime *runtime = substream->runtime; 498 499 chip->cap_size = snd_pcm_lib_buffer_bytes(substream); 500 chip->cap_count = snd_pcm_lib_period_bytes(substream); 501 spin_lock_irq(&chip->reg_lock); 502 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT | 503 FM801_STEREO | FM801_RATE_MASK); 504 if (snd_pcm_format_width(runtime->format) == 16) 505 chip->cap_ctrl |= FM801_16BIT; 506 if (runtime->channels > 1) 507 chip->cap_ctrl |= FM801_STEREO; 508 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 509 chip->cap_buf = 0; 510 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 511 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1); 512 chip->cap_buffer = runtime->dma_addr; 513 chip->cap_pos = 0; 514 fm801_writel(chip, CAP_BUF1, chip->cap_buffer); 515 fm801_writel(chip, CAP_BUF2, 516 chip->cap_buffer + (chip->cap_count % chip->cap_size)); 517 spin_unlock_irq(&chip->reg_lock); 518 return 0; 519 } 520 521 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream) 522 { 523 struct fm801 *chip = snd_pcm_substream_chip(substream); 524 size_t ptr; 525 526 if (!(chip->ply_ctrl & FM801_START)) 527 return 0; 528 spin_lock(&chip->reg_lock); 529 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT); 530 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) { 531 ptr += chip->ply_count; 532 ptr %= chip->ply_size; 533 } 534 spin_unlock(&chip->reg_lock); 535 return bytes_to_frames(substream->runtime, ptr); 536 } 537 538 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream) 539 { 540 struct fm801 *chip = snd_pcm_substream_chip(substream); 541 size_t ptr; 542 543 if (!(chip->cap_ctrl & FM801_START)) 544 return 0; 545 spin_lock(&chip->reg_lock); 546 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT); 547 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) { 548 ptr += chip->cap_count; 549 ptr %= chip->cap_size; 550 } 551 spin_unlock(&chip->reg_lock); 552 return bytes_to_frames(substream->runtime, ptr); 553 } 554 555 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id) 556 { 557 struct fm801 *chip = dev_id; 558 unsigned short status; 559 unsigned int tmp; 560 561 status = fm801_readw(chip, IRQ_STATUS); 562 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME; 563 if (! status) 564 return IRQ_NONE; 565 /* ack first */ 566 fm801_writew(chip, IRQ_STATUS, status); 567 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) { 568 spin_lock(&chip->reg_lock); 569 chip->ply_buf++; 570 chip->ply_pos += chip->ply_count; 571 chip->ply_pos %= chip->ply_size; 572 tmp = chip->ply_pos + chip->ply_count; 573 tmp %= chip->ply_size; 574 if (chip->ply_buf & 1) 575 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp); 576 else 577 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp); 578 spin_unlock(&chip->reg_lock); 579 snd_pcm_period_elapsed(chip->playback_substream); 580 } 581 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) { 582 spin_lock(&chip->reg_lock); 583 chip->cap_buf++; 584 chip->cap_pos += chip->cap_count; 585 chip->cap_pos %= chip->cap_size; 586 tmp = chip->cap_pos + chip->cap_count; 587 tmp %= chip->cap_size; 588 if (chip->cap_buf & 1) 589 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp); 590 else 591 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp); 592 spin_unlock(&chip->reg_lock); 593 snd_pcm_period_elapsed(chip->capture_substream); 594 } 595 if (chip->rmidi && (status & FM801_IRQ_MPU)) 596 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 597 if (status & FM801_IRQ_VOLUME) { 598 /* TODO */ 599 } 600 601 return IRQ_HANDLED; 602 } 603 604 static const struct snd_pcm_hardware snd_fm801_playback = 605 { 606 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 607 SNDRV_PCM_INFO_BLOCK_TRANSFER | 608 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 609 SNDRV_PCM_INFO_MMAP_VALID), 610 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 611 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 612 .rate_min = 5500, 613 .rate_max = 48000, 614 .channels_min = 1, 615 .channels_max = 2, 616 .buffer_bytes_max = (128*1024), 617 .period_bytes_min = 64, 618 .period_bytes_max = (128*1024), 619 .periods_min = 1, 620 .periods_max = 1024, 621 .fifo_size = 0, 622 }; 623 624 static const struct snd_pcm_hardware snd_fm801_capture = 625 { 626 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 627 SNDRV_PCM_INFO_BLOCK_TRANSFER | 628 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 629 SNDRV_PCM_INFO_MMAP_VALID), 630 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 631 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 632 .rate_min = 5500, 633 .rate_max = 48000, 634 .channels_min = 1, 635 .channels_max = 2, 636 .buffer_bytes_max = (128*1024), 637 .period_bytes_min = 64, 638 .period_bytes_max = (128*1024), 639 .periods_min = 1, 640 .periods_max = 1024, 641 .fifo_size = 0, 642 }; 643 644 static int snd_fm801_playback_open(struct snd_pcm_substream *substream) 645 { 646 struct fm801 *chip = snd_pcm_substream_chip(substream); 647 struct snd_pcm_runtime *runtime = substream->runtime; 648 int err; 649 650 chip->playback_substream = substream; 651 runtime->hw = snd_fm801_playback; 652 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 653 &hw_constraints_rates); 654 if (chip->multichannel) { 655 runtime->hw.channels_max = 6; 656 snd_pcm_hw_constraint_list(runtime, 0, 657 SNDRV_PCM_HW_PARAM_CHANNELS, 658 &hw_constraints_channels); 659 } 660 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 661 if (err < 0) 662 return err; 663 return 0; 664 } 665 666 static int snd_fm801_capture_open(struct snd_pcm_substream *substream) 667 { 668 struct fm801 *chip = snd_pcm_substream_chip(substream); 669 struct snd_pcm_runtime *runtime = substream->runtime; 670 int err; 671 672 chip->capture_substream = substream; 673 runtime->hw = snd_fm801_capture; 674 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 675 &hw_constraints_rates); 676 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 677 if (err < 0) 678 return err; 679 return 0; 680 } 681 682 static int snd_fm801_playback_close(struct snd_pcm_substream *substream) 683 { 684 struct fm801 *chip = snd_pcm_substream_chip(substream); 685 686 chip->playback_substream = NULL; 687 return 0; 688 } 689 690 static int snd_fm801_capture_close(struct snd_pcm_substream *substream) 691 { 692 struct fm801 *chip = snd_pcm_substream_chip(substream); 693 694 chip->capture_substream = NULL; 695 return 0; 696 } 697 698 static const struct snd_pcm_ops snd_fm801_playback_ops = { 699 .open = snd_fm801_playback_open, 700 .close = snd_fm801_playback_close, 701 .prepare = snd_fm801_playback_prepare, 702 .trigger = snd_fm801_playback_trigger, 703 .pointer = snd_fm801_playback_pointer, 704 }; 705 706 static const struct snd_pcm_ops snd_fm801_capture_ops = { 707 .open = snd_fm801_capture_open, 708 .close = snd_fm801_capture_close, 709 .prepare = snd_fm801_capture_prepare, 710 .trigger = snd_fm801_capture_trigger, 711 .pointer = snd_fm801_capture_pointer, 712 }; 713 714 static int snd_fm801_pcm(struct fm801 *chip, int device) 715 { 716 struct pci_dev *pdev = to_pci_dev(chip->dev); 717 struct snd_pcm *pcm; 718 int err; 719 720 err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm); 721 if (err < 0) 722 return err; 723 724 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops); 725 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops); 726 727 pcm->private_data = chip; 728 pcm->info_flags = 0; 729 strcpy(pcm->name, "FM801"); 730 chip->pcm = pcm; 731 732 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev, 733 chip->multichannel ? 128*1024 : 64*1024, 128*1024); 734 735 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 736 snd_pcm_alt_chmaps, 737 chip->multichannel ? 6 : 2, 0, 738 NULL); 739 } 740 741 /* 742 * TEA5757 radio 743 */ 744 745 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 746 747 /* GPIO to TEA575x maps */ 748 struct snd_fm801_tea575x_gpio { 749 u8 data, clk, wren, most; 750 char *name; 751 }; 752 753 static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = { 754 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" }, 755 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" }, 756 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" }, 757 }; 758 759 #define get_tea575x_gpio(chip) \ 760 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1]) 761 762 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins) 763 { 764 struct fm801 *chip = tea->private_data; 765 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 766 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 767 768 reg &= ~(FM801_GPIO_GP(gpio.data) | 769 FM801_GPIO_GP(gpio.clk) | 770 FM801_GPIO_GP(gpio.wren)); 771 772 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0; 773 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0; 774 /* WRITE_ENABLE is inverted */ 775 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren); 776 777 fm801_writew(chip, GPIO_CTRL, reg); 778 } 779 780 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea) 781 { 782 struct fm801 *chip = tea->private_data; 783 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 784 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 785 u8 ret; 786 787 ret = 0; 788 if (reg & FM801_GPIO_GP(gpio.data)) 789 ret |= TEA575X_DATA; 790 if (reg & FM801_GPIO_GP(gpio.most)) 791 ret |= TEA575X_MOST; 792 return ret; 793 } 794 795 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output) 796 { 797 struct fm801 *chip = tea->private_data; 798 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 799 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 800 801 /* use GPIO lines and set write enable bit */ 802 reg |= FM801_GPIO_GS(gpio.data) | 803 FM801_GPIO_GS(gpio.wren) | 804 FM801_GPIO_GS(gpio.clk) | 805 FM801_GPIO_GS(gpio.most); 806 if (output) { 807 /* all of lines are in the write direction */ 808 /* clear data and clock lines */ 809 reg &= ~(FM801_GPIO_GD(gpio.data) | 810 FM801_GPIO_GD(gpio.wren) | 811 FM801_GPIO_GD(gpio.clk) | 812 FM801_GPIO_GP(gpio.data) | 813 FM801_GPIO_GP(gpio.clk) | 814 FM801_GPIO_GP(gpio.wren)); 815 } else { 816 /* use GPIO lines, set data direction to input */ 817 reg |= FM801_GPIO_GD(gpio.data) | 818 FM801_GPIO_GD(gpio.most) | 819 FM801_GPIO_GP(gpio.data) | 820 FM801_GPIO_GP(gpio.most) | 821 FM801_GPIO_GP(gpio.wren); 822 /* all of lines are in the write direction, except data */ 823 /* clear data, write enable and clock lines */ 824 reg &= ~(FM801_GPIO_GD(gpio.wren) | 825 FM801_GPIO_GD(gpio.clk) | 826 FM801_GPIO_GP(gpio.clk)); 827 } 828 829 fm801_writew(chip, GPIO_CTRL, reg); 830 } 831 832 static const struct snd_tea575x_ops snd_fm801_tea_ops = { 833 .set_pins = snd_fm801_tea575x_set_pins, 834 .get_pins = snd_fm801_tea575x_get_pins, 835 .set_direction = snd_fm801_tea575x_set_direction, 836 }; 837 #endif 838 839 /* 840 * Mixer routines 841 */ 842 843 #define FM801_SINGLE(xname, reg, shift, mask, invert) \ 844 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \ 845 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \ 846 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 847 848 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol, 849 struct snd_ctl_elem_info *uinfo) 850 { 851 int mask = (kcontrol->private_value >> 16) & 0xff; 852 853 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 854 uinfo->count = 1; 855 uinfo->value.integer.min = 0; 856 uinfo->value.integer.max = mask; 857 return 0; 858 } 859 860 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol, 861 struct snd_ctl_elem_value *ucontrol) 862 { 863 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 864 int reg = kcontrol->private_value & 0xff; 865 int shift = (kcontrol->private_value >> 8) & 0xff; 866 int mask = (kcontrol->private_value >> 16) & 0xff; 867 int invert = (kcontrol->private_value >> 24) & 0xff; 868 long *value = ucontrol->value.integer.value; 869 870 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask; 871 if (invert) 872 value[0] = mask - value[0]; 873 return 0; 874 } 875 876 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol, 877 struct snd_ctl_elem_value *ucontrol) 878 { 879 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 880 int reg = kcontrol->private_value & 0xff; 881 int shift = (kcontrol->private_value >> 8) & 0xff; 882 int mask = (kcontrol->private_value >> 16) & 0xff; 883 int invert = (kcontrol->private_value >> 24) & 0xff; 884 unsigned short val; 885 886 val = (ucontrol->value.integer.value[0] & mask); 887 if (invert) 888 val = mask - val; 889 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift); 890 } 891 892 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ 893 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \ 894 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 895 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) } 896 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ 897 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 898 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 899 .name = xname, .info = snd_fm801_info_double, \ 900 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 901 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \ 902 .tlv = { .p = (xtlv) } } 903 904 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol, 905 struct snd_ctl_elem_info *uinfo) 906 { 907 int mask = (kcontrol->private_value >> 16) & 0xff; 908 909 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 910 uinfo->count = 2; 911 uinfo->value.integer.min = 0; 912 uinfo->value.integer.max = mask; 913 return 0; 914 } 915 916 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol, 917 struct snd_ctl_elem_value *ucontrol) 918 { 919 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 920 int reg = kcontrol->private_value & 0xff; 921 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 922 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 923 int mask = (kcontrol->private_value >> 16) & 0xff; 924 int invert = (kcontrol->private_value >> 24) & 0xff; 925 long *value = ucontrol->value.integer.value; 926 927 spin_lock_irq(&chip->reg_lock); 928 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask; 929 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask; 930 spin_unlock_irq(&chip->reg_lock); 931 if (invert) { 932 value[0] = mask - value[0]; 933 value[1] = mask - value[1]; 934 } 935 return 0; 936 } 937 938 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol, 939 struct snd_ctl_elem_value *ucontrol) 940 { 941 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 942 int reg = kcontrol->private_value & 0xff; 943 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 944 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 945 int mask = (kcontrol->private_value >> 16) & 0xff; 946 int invert = (kcontrol->private_value >> 24) & 0xff; 947 unsigned short val1, val2; 948 949 val1 = ucontrol->value.integer.value[0] & mask; 950 val2 = ucontrol->value.integer.value[1] & mask; 951 if (invert) { 952 val1 = mask - val1; 953 val2 = mask - val2; 954 } 955 return snd_fm801_update_bits(chip, reg, 956 (mask << shift_left) | (mask << shift_right), 957 (val1 << shift_left ) | (val2 << shift_right)); 958 } 959 960 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol, 961 struct snd_ctl_elem_info *uinfo) 962 { 963 static const char * const texts[5] = { 964 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary" 965 }; 966 967 return snd_ctl_enum_info(uinfo, 1, 5, texts); 968 } 969 970 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol, 971 struct snd_ctl_elem_value *ucontrol) 972 { 973 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 974 unsigned short val; 975 976 val = fm801_readw(chip, REC_SRC) & 7; 977 if (val > 4) 978 val = 4; 979 ucontrol->value.enumerated.item[0] = val; 980 return 0; 981 } 982 983 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol, 984 struct snd_ctl_elem_value *ucontrol) 985 { 986 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 987 unsigned short val; 988 989 val = ucontrol->value.enumerated.item[0]; 990 if (val > 4) 991 return -EINVAL; 992 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val); 993 } 994 995 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0); 996 997 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls) 998 999 static const struct snd_kcontrol_new snd_fm801_controls[] = { 1000 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1, 1001 db_scale_dsp), 1002 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1), 1003 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1, 1004 db_scale_dsp), 1005 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1), 1006 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1, 1007 db_scale_dsp), 1008 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1), 1009 { 1010 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1011 .name = "Digital Capture Source", 1012 .info = snd_fm801_info_mux, 1013 .get = snd_fm801_get_mux, 1014 .put = snd_fm801_put_mux, 1015 } 1016 }; 1017 1018 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi) 1019 1020 static const struct snd_kcontrol_new snd_fm801_controls_multi[] = { 1021 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0), 1022 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0), 1023 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0), 1024 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0), 1025 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0), 1026 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0), 1027 }; 1028 1029 static int snd_fm801_mixer(struct fm801 *chip) 1030 { 1031 struct snd_ac97_template ac97; 1032 unsigned int i; 1033 int err; 1034 static const struct snd_ac97_bus_ops ops = { 1035 .write = snd_fm801_codec_write, 1036 .read = snd_fm801_codec_read, 1037 }; 1038 1039 err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus); 1040 if (err < 0) 1041 return err; 1042 1043 memset(&ac97, 0, sizeof(ac97)); 1044 ac97.private_data = chip; 1045 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97); 1046 if (err < 0) 1047 return err; 1048 if (chip->secondary) { 1049 ac97.num = 1; 1050 ac97.addr = chip->secondary_addr; 1051 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec); 1052 if (err < 0) 1053 return err; 1054 } 1055 for (i = 0; i < FM801_CONTROLS; i++) { 1056 err = snd_ctl_add(chip->card, 1057 snd_ctl_new1(&snd_fm801_controls[i], chip)); 1058 if (err < 0) 1059 return err; 1060 } 1061 if (chip->multichannel) { 1062 for (i = 0; i < FM801_CONTROLS_MULTI; i++) { 1063 err = snd_ctl_add(chip->card, 1064 snd_ctl_new1(&snd_fm801_controls_multi[i], chip)); 1065 if (err < 0) 1066 return err; 1067 } 1068 } 1069 return 0; 1070 } 1071 1072 /* 1073 * initialization routines 1074 */ 1075 1076 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id, 1077 unsigned short reg, unsigned long waits) 1078 { 1079 unsigned long timeout = jiffies + waits; 1080 1081 fm801_writew(chip, AC97_CMD, 1082 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 1083 udelay(5); 1084 do { 1085 if ((fm801_readw(chip, AC97_CMD) & 1086 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID) 1087 return 0; 1088 schedule_timeout_uninterruptible(1); 1089 } while (time_after(timeout, jiffies)); 1090 return -EIO; 1091 } 1092 1093 static int reset_codec(struct fm801 *chip) 1094 { 1095 /* codec cold reset + AC'97 warm reset */ 1096 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6)); 1097 fm801_readw(chip, CODEC_CTRL); /* flush posting data */ 1098 udelay(100); 1099 fm801_writew(chip, CODEC_CTRL, 0); 1100 1101 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)); 1102 } 1103 1104 static void snd_fm801_chip_multichannel_init(struct fm801 *chip) 1105 { 1106 unsigned short cmdw; 1107 1108 if (chip->multichannel) { 1109 if (chip->secondary_addr) { 1110 wait_for_codec(chip, chip->secondary_addr, 1111 AC97_VENDOR_ID1, msecs_to_jiffies(50)); 1112 } else { 1113 /* my card has the secondary codec */ 1114 /* at address #3, so the loop is inverted */ 1115 int i; 1116 for (i = 3; i > 0; i--) { 1117 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1, 1118 msecs_to_jiffies(50))) { 1119 cmdw = fm801_readw(chip, AC97_DATA); 1120 if (cmdw != 0xffff && cmdw != 0) { 1121 chip->secondary = 1; 1122 chip->secondary_addr = i; 1123 break; 1124 } 1125 } 1126 } 1127 } 1128 1129 /* the recovery phase, it seems that probing for non-existing codec might */ 1130 /* cause timeout problems */ 1131 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750)); 1132 } 1133 } 1134 1135 static void snd_fm801_chip_init(struct fm801 *chip) 1136 { 1137 unsigned short cmdw; 1138 1139 /* init volume */ 1140 fm801_writew(chip, PCM_VOL, 0x0808); 1141 fm801_writew(chip, FM_VOL, 0x9f1f); 1142 fm801_writew(chip, I2S_VOL, 0x8808); 1143 1144 /* I2S control - I2S mode */ 1145 fm801_writew(chip, I2S_MODE, 0x0003); 1146 1147 /* interrupt setup */ 1148 cmdw = fm801_readw(chip, IRQ_MASK); 1149 if (chip->irq < 0) 1150 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */ 1151 else 1152 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */ 1153 fm801_writew(chip, IRQ_MASK, cmdw); 1154 1155 /* interrupt clear */ 1156 fm801_writew(chip, IRQ_STATUS, 1157 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU); 1158 } 1159 1160 static void snd_fm801_free(struct snd_card *card) 1161 { 1162 struct fm801 *chip = card->private_data; 1163 unsigned short cmdw; 1164 1165 /* interrupt setup - mask everything */ 1166 cmdw = fm801_readw(chip, IRQ_MASK); 1167 cmdw |= 0x00c3; 1168 fm801_writew(chip, IRQ_MASK, cmdw); 1169 1170 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1171 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1172 snd_tea575x_exit(&chip->tea); 1173 v4l2_device_unregister(&chip->v4l2_dev); 1174 } 1175 #endif 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 { 1183 struct fm801 *chip = card->private_data; 1184 int err; 1185 1186 err = pcim_enable_device(pci); 1187 if (err < 0) 1188 return err; 1189 spin_lock_init(&chip->reg_lock); 1190 chip->card = card; 1191 chip->dev = &pci->dev; 1192 chip->irq = -1; 1193 chip->tea575x_tuner = tea575x_tuner; 1194 err = pci_request_regions(pci, "FM801"); 1195 if (err < 0) 1196 return err; 1197 chip->port = pci_resource_start(pci, 0); 1198 1199 if (pci->revision >= 0xb1) /* FM801-AU */ 1200 chip->multichannel = 1; 1201 1202 if (!(chip->tea575x_tuner & TUNER_ONLY)) { 1203 if (reset_codec(chip) < 0) { 1204 dev_info(chip->card->dev, 1205 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n"); 1206 chip->tea575x_tuner = 3 | TUNER_ONLY; 1207 } else { 1208 snd_fm801_chip_multichannel_init(chip); 1209 } 1210 } 1211 1212 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) { 1213 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt, 1214 IRQF_SHARED, KBUILD_MODNAME, chip)) { 1215 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 1216 return -EBUSY; 1217 } 1218 chip->irq = pci->irq; 1219 card->sync_irq = chip->irq; 1220 pci_set_master(pci); 1221 } 1222 1223 card->private_free = snd_fm801_free; 1224 snd_fm801_chip_init(chip); 1225 1226 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1227 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev); 1228 if (err < 0) 1229 return err; 1230 chip->tea.v4l2_dev = &chip->v4l2_dev; 1231 chip->tea.radio_nr = radio_nr; 1232 chip->tea.private_data = chip; 1233 chip->tea.ops = &snd_fm801_tea_ops; 1234 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci)); 1235 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 && 1236 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) { 1237 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1238 dev_err(card->dev, "TEA575x radio not found\n"); 1239 return -ENODEV; 1240 } 1241 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) { 1242 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY; 1243 1244 /* autodetect tuner connection */ 1245 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) { 1246 chip->tea575x_tuner = tea575x_tuner; 1247 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1248 dev_info(card->dev, 1249 "detected TEA575x radio type %s\n", 1250 get_tea575x_gpio(chip)->name); 1251 break; 1252 } 1253 } 1254 if (tea575x_tuner == 4) { 1255 dev_err(card->dev, "TEA575x radio not found\n"); 1256 chip->tea575x_tuner = TUNER_DISABLED; 1257 } 1258 1259 chip->tea575x_tuner |= tuner_only; 1260 } 1261 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1262 strscpy(chip->tea.card, get_tea575x_gpio(chip)->name, 1263 sizeof(chip->tea.card)); 1264 } 1265 #endif 1266 return 0; 1267 } 1268 1269 static int __snd_card_fm801_probe(struct pci_dev *pci, 1270 const struct pci_device_id *pci_id) 1271 { 1272 static int dev; 1273 struct snd_card *card; 1274 struct fm801 *chip; 1275 struct snd_opl3 *opl3; 1276 int err; 1277 1278 if (dev >= SNDRV_CARDS) 1279 return -ENODEV; 1280 if (!enable[dev]) { 1281 dev++; 1282 return -ENOENT; 1283 } 1284 1285 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1286 sizeof(*chip), &card); 1287 if (err < 0) 1288 return err; 1289 chip = card->private_data; 1290 err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev]); 1291 if (err < 0) 1292 return err; 1293 1294 strcpy(card->driver, "FM801"); 1295 strcpy(card->shortname, "ForteMedia FM801-"); 1296 strcat(card->shortname, chip->multichannel ? "AU" : "AS"); 1297 sprintf(card->longname, "%s at 0x%lx, irq %i", 1298 card->shortname, chip->port, chip->irq); 1299 1300 if (chip->tea575x_tuner & TUNER_ONLY) 1301 goto __fm801_tuner_only; 1302 1303 err = snd_fm801_pcm(chip, 0); 1304 if (err < 0) 1305 return err; 1306 err = snd_fm801_mixer(chip); 1307 if (err < 0) 1308 return err; 1309 err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801, 1310 chip->port + FM801_MPU401_DATA, 1311 MPU401_INFO_INTEGRATED | 1312 MPU401_INFO_IRQ_HOOK, 1313 -1, &chip->rmidi); 1314 if (err < 0) 1315 return err; 1316 err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0, 1317 chip->port + FM801_OPL3_BANK1, 1318 OPL3_HW_OPL3_FM801, 1, &opl3); 1319 if (err < 0) 1320 return err; 1321 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); 1322 if (err < 0) 1323 return err; 1324 1325 __fm801_tuner_only: 1326 err = snd_card_register(card); 1327 if (err < 0) 1328 return err; 1329 pci_set_drvdata(pci, card); 1330 dev++; 1331 return 0; 1332 } 1333 1334 static int snd_card_fm801_probe(struct pci_dev *pci, 1335 const struct pci_device_id *pci_id) 1336 { 1337 return snd_card_free_on_error(&pci->dev, __snd_card_fm801_probe(pci, pci_id)); 1338 } 1339 1340 static const unsigned char saved_regs[] = { 1341 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC, 1342 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2, 1343 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2, 1344 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL, 1345 }; 1346 1347 static int snd_fm801_suspend(struct device *dev) 1348 { 1349 struct snd_card *card = dev_get_drvdata(dev); 1350 struct fm801 *chip = card->private_data; 1351 int i; 1352 1353 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1354 1355 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1356 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]); 1357 1358 if (chip->tea575x_tuner & TUNER_ONLY) { 1359 /* FIXME: tea575x suspend */ 1360 } else { 1361 snd_ac97_suspend(chip->ac97); 1362 snd_ac97_suspend(chip->ac97_sec); 1363 } 1364 1365 return 0; 1366 } 1367 1368 static int snd_fm801_resume(struct device *dev) 1369 { 1370 struct snd_card *card = dev_get_drvdata(dev); 1371 struct fm801 *chip = card->private_data; 1372 int i; 1373 1374 if (chip->tea575x_tuner & TUNER_ONLY) { 1375 snd_fm801_chip_init(chip); 1376 } else { 1377 reset_codec(chip); 1378 snd_fm801_chip_multichannel_init(chip); 1379 snd_fm801_chip_init(chip); 1380 snd_ac97_resume(chip->ac97); 1381 snd_ac97_resume(chip->ac97_sec); 1382 } 1383 1384 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1385 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]); 1386 1387 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1388 if (!(chip->tea575x_tuner & TUNER_DISABLED)) 1389 snd_tea575x_set_freq(&chip->tea); 1390 #endif 1391 1392 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1393 return 0; 1394 } 1395 1396 static DEFINE_SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume); 1397 1398 static struct pci_driver fm801_driver = { 1399 .name = KBUILD_MODNAME, 1400 .id_table = snd_fm801_ids, 1401 .probe = snd_card_fm801_probe, 1402 .driver = { 1403 .pm = &snd_fm801_pm, 1404 }, 1405 }; 1406 1407 module_pci_driver(fm801_driver); 1408