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 short old, new; 283 284 guard(spinlock_irqsave)(&chip->reg_lock); 285 old = fm801_ioread16(chip, reg); 286 new = (old & ~mask) | value; 287 change = old != new; 288 if (change) 289 fm801_iowrite16(chip, reg, new); 290 return change; 291 } 292 293 static void snd_fm801_codec_write(struct snd_ac97 *ac97, 294 unsigned short reg, 295 unsigned short val) 296 { 297 struct fm801 *chip = ac97->private_data; 298 299 /* 300 * Wait until the codec interface is not ready.. 301 */ 302 if (!fm801_ac97_is_ready(chip, 100)) { 303 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n"); 304 return; 305 } 306 307 /* write data and address */ 308 fm801_writew(chip, AC97_DATA, val); 309 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT)); 310 /* 311 * Wait until the write command is not completed.. 312 */ 313 if (!fm801_ac97_is_ready(chip, 1000)) 314 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 315 ac97->num); 316 } 317 318 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg) 319 { 320 struct fm801 *chip = ac97->private_data; 321 322 /* 323 * Wait until the codec interface is not ready.. 324 */ 325 if (!fm801_ac97_is_ready(chip, 100)) { 326 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n"); 327 return 0; 328 } 329 330 /* read command */ 331 fm801_writew(chip, AC97_CMD, 332 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 333 if (!fm801_ac97_is_ready(chip, 100)) { 334 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 335 ac97->num); 336 return 0; 337 } 338 339 if (!fm801_ac97_is_valid(chip, 1000)) { 340 dev_err(chip->card->dev, 341 "AC'97 interface #%d is not valid (2)\n", ac97->num); 342 return 0; 343 } 344 345 return fm801_readw(chip, AC97_DATA); 346 } 347 348 static const unsigned int rates[] = { 349 5500, 8000, 9600, 11025, 350 16000, 19200, 22050, 32000, 351 38400, 44100, 48000 352 }; 353 354 static const struct snd_pcm_hw_constraint_list hw_constraints_rates = { 355 .count = ARRAY_SIZE(rates), 356 .list = rates, 357 .mask = 0, 358 }; 359 360 static const unsigned int channels[] = { 361 2, 4, 6 362 }; 363 364 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 365 .count = ARRAY_SIZE(channels), 366 .list = channels, 367 .mask = 0, 368 }; 369 370 /* 371 * Sample rate routines 372 */ 373 374 static unsigned short snd_fm801_rate_bits(unsigned int rate) 375 { 376 unsigned int idx; 377 378 for (idx = 0; idx < ARRAY_SIZE(rates); idx++) 379 if (rates[idx] == rate) 380 return idx; 381 snd_BUG(); 382 return ARRAY_SIZE(rates) - 1; 383 } 384 385 /* 386 * PCM part 387 */ 388 389 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream, 390 int cmd) 391 { 392 struct fm801 *chip = snd_pcm_substream_chip(substream); 393 394 guard(spinlock)(&chip->reg_lock); 395 switch (cmd) { 396 case SNDRV_PCM_TRIGGER_START: 397 chip->ply_ctrl &= ~(FM801_BUF1_LAST | 398 FM801_BUF2_LAST | 399 FM801_PAUSE); 400 chip->ply_ctrl |= FM801_START | 401 FM801_IMMED_STOP; 402 break; 403 case SNDRV_PCM_TRIGGER_STOP: 404 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE); 405 break; 406 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 407 case SNDRV_PCM_TRIGGER_SUSPEND: 408 chip->ply_ctrl |= FM801_PAUSE; 409 break; 410 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 411 case SNDRV_PCM_TRIGGER_RESUME: 412 chip->ply_ctrl &= ~FM801_PAUSE; 413 break; 414 default: 415 snd_BUG(); 416 return -EINVAL; 417 } 418 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 419 return 0; 420 } 421 422 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream, 423 int cmd) 424 { 425 struct fm801 *chip = snd_pcm_substream_chip(substream); 426 427 guard(spinlock)(&chip->reg_lock); 428 switch (cmd) { 429 case SNDRV_PCM_TRIGGER_START: 430 chip->cap_ctrl &= ~(FM801_BUF1_LAST | 431 FM801_BUF2_LAST | 432 FM801_PAUSE); 433 chip->cap_ctrl |= FM801_START | 434 FM801_IMMED_STOP; 435 break; 436 case SNDRV_PCM_TRIGGER_STOP: 437 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE); 438 break; 439 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 440 case SNDRV_PCM_TRIGGER_SUSPEND: 441 chip->cap_ctrl |= FM801_PAUSE; 442 break; 443 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 444 case SNDRV_PCM_TRIGGER_RESUME: 445 chip->cap_ctrl &= ~FM801_PAUSE; 446 break; 447 default: 448 snd_BUG(); 449 return -EINVAL; 450 } 451 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 452 return 0; 453 } 454 455 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream) 456 { 457 struct fm801 *chip = snd_pcm_substream_chip(substream); 458 struct snd_pcm_runtime *runtime = substream->runtime; 459 460 chip->ply_size = snd_pcm_lib_buffer_bytes(substream); 461 chip->ply_count = snd_pcm_lib_period_bytes(substream); 462 guard(spinlock_irq)(&chip->reg_lock); 463 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT | 464 FM801_STEREO | FM801_RATE_MASK | 465 FM801_CHANNELS_MASK); 466 if (snd_pcm_format_width(runtime->format) == 16) 467 chip->ply_ctrl |= FM801_16BIT; 468 if (runtime->channels > 1) { 469 chip->ply_ctrl |= FM801_STEREO; 470 if (runtime->channels == 4) 471 chip->ply_ctrl |= FM801_CHANNELS_4; 472 else if (runtime->channels == 6) 473 chip->ply_ctrl |= FM801_CHANNELS_6; 474 } 475 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 476 chip->ply_buf = 0; 477 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 478 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1); 479 chip->ply_buffer = runtime->dma_addr; 480 chip->ply_pos = 0; 481 fm801_writel(chip, PLY_BUF1, chip->ply_buffer); 482 fm801_writel(chip, PLY_BUF2, 483 chip->ply_buffer + (chip->ply_count % chip->ply_size)); 484 return 0; 485 } 486 487 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream) 488 { 489 struct fm801 *chip = snd_pcm_substream_chip(substream); 490 struct snd_pcm_runtime *runtime = substream->runtime; 491 492 chip->cap_size = snd_pcm_lib_buffer_bytes(substream); 493 chip->cap_count = snd_pcm_lib_period_bytes(substream); 494 guard(spinlock_irq)(&chip->reg_lock); 495 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT | 496 FM801_STEREO | FM801_RATE_MASK); 497 if (snd_pcm_format_width(runtime->format) == 16) 498 chip->cap_ctrl |= FM801_16BIT; 499 if (runtime->channels > 1) 500 chip->cap_ctrl |= FM801_STEREO; 501 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 502 chip->cap_buf = 0; 503 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 504 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1); 505 chip->cap_buffer = runtime->dma_addr; 506 chip->cap_pos = 0; 507 fm801_writel(chip, CAP_BUF1, chip->cap_buffer); 508 fm801_writel(chip, CAP_BUF2, 509 chip->cap_buffer + (chip->cap_count % chip->cap_size)); 510 return 0; 511 } 512 513 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream) 514 { 515 struct fm801 *chip = snd_pcm_substream_chip(substream); 516 size_t ptr; 517 518 if (!(chip->ply_ctrl & FM801_START)) 519 return 0; 520 guard(spinlock)(&chip->reg_lock); 521 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT); 522 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) { 523 ptr += chip->ply_count; 524 ptr %= chip->ply_size; 525 } 526 return bytes_to_frames(substream->runtime, ptr); 527 } 528 529 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream) 530 { 531 struct fm801 *chip = snd_pcm_substream_chip(substream); 532 size_t ptr; 533 534 if (!(chip->cap_ctrl & FM801_START)) 535 return 0; 536 guard(spinlock)(&chip->reg_lock); 537 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT); 538 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) { 539 ptr += chip->cap_count; 540 ptr %= chip->cap_size; 541 } 542 return bytes_to_frames(substream->runtime, ptr); 543 } 544 545 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id) 546 { 547 struct fm801 *chip = dev_id; 548 unsigned short status; 549 unsigned int tmp; 550 551 status = fm801_readw(chip, IRQ_STATUS); 552 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME; 553 if (! status) 554 return IRQ_NONE; 555 /* ack first */ 556 fm801_writew(chip, IRQ_STATUS, status); 557 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) { 558 scoped_guard(spinlock, &chip->reg_lock) { 559 chip->ply_buf++; 560 chip->ply_pos += chip->ply_count; 561 chip->ply_pos %= chip->ply_size; 562 tmp = chip->ply_pos + chip->ply_count; 563 tmp %= chip->ply_size; 564 if (chip->ply_buf & 1) 565 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp); 566 else 567 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp); 568 } 569 snd_pcm_period_elapsed(chip->playback_substream); 570 } 571 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) { 572 scoped_guard(spinlock, &chip->reg_lock) { 573 chip->cap_buf++; 574 chip->cap_pos += chip->cap_count; 575 chip->cap_pos %= chip->cap_size; 576 tmp = chip->cap_pos + chip->cap_count; 577 tmp %= chip->cap_size; 578 if (chip->cap_buf & 1) 579 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp); 580 else 581 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp); 582 } 583 snd_pcm_period_elapsed(chip->capture_substream); 584 } 585 if (chip->rmidi && (status & FM801_IRQ_MPU)) 586 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 587 if (status & FM801_IRQ_VOLUME) { 588 /* TODO */ 589 } 590 591 return IRQ_HANDLED; 592 } 593 594 static const struct snd_pcm_hardware snd_fm801_playback = 595 { 596 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 597 SNDRV_PCM_INFO_BLOCK_TRANSFER | 598 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 599 SNDRV_PCM_INFO_MMAP_VALID), 600 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 601 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 602 .rate_min = 5500, 603 .rate_max = 48000, 604 .channels_min = 1, 605 .channels_max = 2, 606 .buffer_bytes_max = (128*1024), 607 .period_bytes_min = 64, 608 .period_bytes_max = (128*1024), 609 .periods_min = 1, 610 .periods_max = 1024, 611 .fifo_size = 0, 612 }; 613 614 static const struct snd_pcm_hardware snd_fm801_capture = 615 { 616 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 617 SNDRV_PCM_INFO_BLOCK_TRANSFER | 618 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 619 SNDRV_PCM_INFO_MMAP_VALID), 620 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 621 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 622 .rate_min = 5500, 623 .rate_max = 48000, 624 .channels_min = 1, 625 .channels_max = 2, 626 .buffer_bytes_max = (128*1024), 627 .period_bytes_min = 64, 628 .period_bytes_max = (128*1024), 629 .periods_min = 1, 630 .periods_max = 1024, 631 .fifo_size = 0, 632 }; 633 634 static int snd_fm801_playback_open(struct snd_pcm_substream *substream) 635 { 636 struct fm801 *chip = snd_pcm_substream_chip(substream); 637 struct snd_pcm_runtime *runtime = substream->runtime; 638 int err; 639 640 chip->playback_substream = substream; 641 runtime->hw = snd_fm801_playback; 642 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 643 &hw_constraints_rates); 644 if (chip->multichannel) { 645 runtime->hw.channels_max = 6; 646 snd_pcm_hw_constraint_list(runtime, 0, 647 SNDRV_PCM_HW_PARAM_CHANNELS, 648 &hw_constraints_channels); 649 } 650 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 651 if (err < 0) 652 return err; 653 return 0; 654 } 655 656 static int snd_fm801_capture_open(struct snd_pcm_substream *substream) 657 { 658 struct fm801 *chip = snd_pcm_substream_chip(substream); 659 struct snd_pcm_runtime *runtime = substream->runtime; 660 int err; 661 662 chip->capture_substream = substream; 663 runtime->hw = snd_fm801_capture; 664 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 665 &hw_constraints_rates); 666 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 667 if (err < 0) 668 return err; 669 return 0; 670 } 671 672 static int snd_fm801_playback_close(struct snd_pcm_substream *substream) 673 { 674 struct fm801 *chip = snd_pcm_substream_chip(substream); 675 676 chip->playback_substream = NULL; 677 return 0; 678 } 679 680 static int snd_fm801_capture_close(struct snd_pcm_substream *substream) 681 { 682 struct fm801 *chip = snd_pcm_substream_chip(substream); 683 684 chip->capture_substream = NULL; 685 return 0; 686 } 687 688 static const struct snd_pcm_ops snd_fm801_playback_ops = { 689 .open = snd_fm801_playback_open, 690 .close = snd_fm801_playback_close, 691 .prepare = snd_fm801_playback_prepare, 692 .trigger = snd_fm801_playback_trigger, 693 .pointer = snd_fm801_playback_pointer, 694 }; 695 696 static const struct snd_pcm_ops snd_fm801_capture_ops = { 697 .open = snd_fm801_capture_open, 698 .close = snd_fm801_capture_close, 699 .prepare = snd_fm801_capture_prepare, 700 .trigger = snd_fm801_capture_trigger, 701 .pointer = snd_fm801_capture_pointer, 702 }; 703 704 static int snd_fm801_pcm(struct fm801 *chip, int device) 705 { 706 struct pci_dev *pdev = to_pci_dev(chip->dev); 707 struct snd_pcm *pcm; 708 int err; 709 710 err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm); 711 if (err < 0) 712 return err; 713 714 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops); 715 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops); 716 717 pcm->private_data = chip; 718 pcm->info_flags = 0; 719 strscpy(pcm->name, "FM801"); 720 chip->pcm = pcm; 721 722 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev, 723 chip->multichannel ? 128*1024 : 64*1024, 128*1024); 724 725 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 726 snd_pcm_alt_chmaps, 727 chip->multichannel ? 6 : 2, 0, 728 NULL); 729 } 730 731 /* 732 * TEA5757 radio 733 */ 734 735 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 736 737 /* GPIO to TEA575x maps */ 738 struct snd_fm801_tea575x_gpio { 739 u8 data, clk, wren, most; 740 char *name; 741 }; 742 743 static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = { 744 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" }, 745 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" }, 746 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" }, 747 }; 748 749 #define get_tea575x_gpio(chip) \ 750 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1]) 751 752 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins) 753 { 754 struct fm801 *chip = tea->private_data; 755 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 756 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 757 758 reg &= ~(FM801_GPIO_GP(gpio.data) | 759 FM801_GPIO_GP(gpio.clk) | 760 FM801_GPIO_GP(gpio.wren)); 761 762 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0; 763 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0; 764 /* WRITE_ENABLE is inverted */ 765 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren); 766 767 fm801_writew(chip, GPIO_CTRL, reg); 768 } 769 770 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea) 771 { 772 struct fm801 *chip = tea->private_data; 773 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 774 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 775 u8 ret; 776 777 ret = 0; 778 if (reg & FM801_GPIO_GP(gpio.data)) 779 ret |= TEA575X_DATA; 780 if (reg & FM801_GPIO_GP(gpio.most)) 781 ret |= TEA575X_MOST; 782 return ret; 783 } 784 785 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output) 786 { 787 struct fm801 *chip = tea->private_data; 788 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 789 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 790 791 /* use GPIO lines and set write enable bit */ 792 reg |= FM801_GPIO_GS(gpio.data) | 793 FM801_GPIO_GS(gpio.wren) | 794 FM801_GPIO_GS(gpio.clk) | 795 FM801_GPIO_GS(gpio.most); 796 if (output) { 797 /* all of lines are in the write direction */ 798 /* clear data and clock lines */ 799 reg &= ~(FM801_GPIO_GD(gpio.data) | 800 FM801_GPIO_GD(gpio.wren) | 801 FM801_GPIO_GD(gpio.clk) | 802 FM801_GPIO_GP(gpio.data) | 803 FM801_GPIO_GP(gpio.clk) | 804 FM801_GPIO_GP(gpio.wren)); 805 } else { 806 /* use GPIO lines, set data direction to input */ 807 reg |= FM801_GPIO_GD(gpio.data) | 808 FM801_GPIO_GD(gpio.most) | 809 FM801_GPIO_GP(gpio.data) | 810 FM801_GPIO_GP(gpio.most) | 811 FM801_GPIO_GP(gpio.wren); 812 /* all of lines are in the write direction, except data */ 813 /* clear data, write enable and clock lines */ 814 reg &= ~(FM801_GPIO_GD(gpio.wren) | 815 FM801_GPIO_GD(gpio.clk) | 816 FM801_GPIO_GP(gpio.clk)); 817 } 818 819 fm801_writew(chip, GPIO_CTRL, reg); 820 } 821 822 static const struct snd_tea575x_ops snd_fm801_tea_ops = { 823 .set_pins = snd_fm801_tea575x_set_pins, 824 .get_pins = snd_fm801_tea575x_get_pins, 825 .set_direction = snd_fm801_tea575x_set_direction, 826 }; 827 #endif 828 829 /* 830 * Mixer routines 831 */ 832 833 #define FM801_SINGLE(xname, reg, shift, mask, invert) \ 834 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \ 835 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \ 836 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 837 838 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol, 839 struct snd_ctl_elem_info *uinfo) 840 { 841 int mask = (kcontrol->private_value >> 16) & 0xff; 842 843 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 844 uinfo->count = 1; 845 uinfo->value.integer.min = 0; 846 uinfo->value.integer.max = mask; 847 return 0; 848 } 849 850 static int snd_fm801_get_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 long *value = ucontrol->value.integer.value; 859 860 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask; 861 if (invert) 862 value[0] = mask - value[0]; 863 return 0; 864 } 865 866 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol, 867 struct snd_ctl_elem_value *ucontrol) 868 { 869 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 870 int reg = kcontrol->private_value & 0xff; 871 int shift = (kcontrol->private_value >> 8) & 0xff; 872 int mask = (kcontrol->private_value >> 16) & 0xff; 873 int invert = (kcontrol->private_value >> 24) & 0xff; 874 unsigned short val; 875 876 val = (ucontrol->value.integer.value[0] & mask); 877 if (invert) 878 val = mask - val; 879 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift); 880 } 881 882 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ 883 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \ 884 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 885 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) } 886 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ 887 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 888 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 889 .name = xname, .info = snd_fm801_info_double, \ 890 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 891 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \ 892 .tlv = { .p = (xtlv) } } 893 894 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol, 895 struct snd_ctl_elem_info *uinfo) 896 { 897 int mask = (kcontrol->private_value >> 16) & 0xff; 898 899 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 900 uinfo->count = 2; 901 uinfo->value.integer.min = 0; 902 uinfo->value.integer.max = mask; 903 return 0; 904 } 905 906 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol, 907 struct snd_ctl_elem_value *ucontrol) 908 { 909 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 910 int reg = kcontrol->private_value & 0xff; 911 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 912 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 913 int mask = (kcontrol->private_value >> 16) & 0xff; 914 int invert = (kcontrol->private_value >> 24) & 0xff; 915 long *value = ucontrol->value.integer.value; 916 917 guard(spinlock_irq)(&chip->reg_lock); 918 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask; 919 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask; 920 if (invert) { 921 value[0] = mask - value[0]; 922 value[1] = mask - value[1]; 923 } 924 return 0; 925 } 926 927 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol, 928 struct snd_ctl_elem_value *ucontrol) 929 { 930 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 931 int reg = kcontrol->private_value & 0xff; 932 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 933 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 934 int mask = (kcontrol->private_value >> 16) & 0xff; 935 int invert = (kcontrol->private_value >> 24) & 0xff; 936 unsigned short val1, val2; 937 938 val1 = ucontrol->value.integer.value[0] & mask; 939 val2 = ucontrol->value.integer.value[1] & mask; 940 if (invert) { 941 val1 = mask - val1; 942 val2 = mask - val2; 943 } 944 return snd_fm801_update_bits(chip, reg, 945 (mask << shift_left) | (mask << shift_right), 946 (val1 << shift_left ) | (val2 << shift_right)); 947 } 948 949 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol, 950 struct snd_ctl_elem_info *uinfo) 951 { 952 static const char * const texts[5] = { 953 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary" 954 }; 955 956 return snd_ctl_enum_info(uinfo, 1, 5, texts); 957 } 958 959 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol, 960 struct snd_ctl_elem_value *ucontrol) 961 { 962 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 963 unsigned short val; 964 965 val = fm801_readw(chip, REC_SRC) & 7; 966 if (val > 4) 967 val = 4; 968 ucontrol->value.enumerated.item[0] = val; 969 return 0; 970 } 971 972 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol, 973 struct snd_ctl_elem_value *ucontrol) 974 { 975 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 976 unsigned short val; 977 978 val = ucontrol->value.enumerated.item[0]; 979 if (val > 4) 980 return -EINVAL; 981 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val); 982 } 983 984 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0); 985 986 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls) 987 988 static const struct snd_kcontrol_new snd_fm801_controls[] = { 989 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1, 990 db_scale_dsp), 991 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1), 992 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1, 993 db_scale_dsp), 994 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1), 995 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1, 996 db_scale_dsp), 997 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1), 998 { 999 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1000 .name = "Digital Capture Source", 1001 .info = snd_fm801_info_mux, 1002 .get = snd_fm801_get_mux, 1003 .put = snd_fm801_put_mux, 1004 } 1005 }; 1006 1007 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi) 1008 1009 static const struct snd_kcontrol_new snd_fm801_controls_multi[] = { 1010 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0), 1011 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0), 1012 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0), 1013 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0), 1014 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0), 1015 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0), 1016 }; 1017 1018 static 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 err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus); 1029 if (err < 0) 1030 return err; 1031 1032 memset(&ac97, 0, sizeof(ac97)); 1033 ac97.private_data = chip; 1034 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97); 1035 if (err < 0) 1036 return err; 1037 if (chip->secondary) { 1038 ac97.num = 1; 1039 ac97.addr = chip->secondary_addr; 1040 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec); 1041 if (err < 0) 1042 return err; 1043 } 1044 for (i = 0; i < FM801_CONTROLS; i++) { 1045 err = snd_ctl_add(chip->card, 1046 snd_ctl_new1(&snd_fm801_controls[i], chip)); 1047 if (err < 0) 1048 return err; 1049 } 1050 if (chip->multichannel) { 1051 for (i = 0; i < FM801_CONTROLS_MULTI; i++) { 1052 err = snd_ctl_add(chip->card, 1053 snd_ctl_new1(&snd_fm801_controls_multi[i], chip)); 1054 if (err < 0) 1055 return err; 1056 } 1057 } 1058 return 0; 1059 } 1060 1061 /* 1062 * initialization routines 1063 */ 1064 1065 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id, 1066 unsigned short reg, unsigned long waits) 1067 { 1068 unsigned long timeout = jiffies + waits; 1069 1070 fm801_writew(chip, AC97_CMD, 1071 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 1072 udelay(5); 1073 do { 1074 if ((fm801_readw(chip, AC97_CMD) & 1075 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID) 1076 return 0; 1077 schedule_timeout_uninterruptible(1); 1078 } while (time_after(timeout, jiffies)); 1079 return -EIO; 1080 } 1081 1082 static int reset_codec(struct fm801 *chip) 1083 { 1084 /* codec cold reset + AC'97 warm reset */ 1085 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6)); 1086 fm801_readw(chip, CODEC_CTRL); /* flush posting data */ 1087 udelay(100); 1088 fm801_writew(chip, CODEC_CTRL, 0); 1089 1090 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)); 1091 } 1092 1093 static void snd_fm801_chip_multichannel_init(struct fm801 *chip) 1094 { 1095 unsigned short cmdw; 1096 1097 if (chip->multichannel) { 1098 if (chip->secondary_addr) { 1099 wait_for_codec(chip, chip->secondary_addr, 1100 AC97_VENDOR_ID1, msecs_to_jiffies(50)); 1101 } else { 1102 /* my card has the secondary codec */ 1103 /* at address #3, so the loop is inverted */ 1104 int i; 1105 for (i = 3; i > 0; i--) { 1106 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1, 1107 msecs_to_jiffies(50))) { 1108 cmdw = fm801_readw(chip, AC97_DATA); 1109 if (cmdw != 0xffff && cmdw != 0) { 1110 chip->secondary = 1; 1111 chip->secondary_addr = i; 1112 break; 1113 } 1114 } 1115 } 1116 } 1117 1118 /* the recovery phase, it seems that probing for non-existing codec might */ 1119 /* cause timeout problems */ 1120 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750)); 1121 } 1122 } 1123 1124 static void snd_fm801_chip_init(struct fm801 *chip) 1125 { 1126 unsigned short cmdw; 1127 1128 /* init volume */ 1129 fm801_writew(chip, PCM_VOL, 0x0808); 1130 fm801_writew(chip, FM_VOL, 0x9f1f); 1131 fm801_writew(chip, I2S_VOL, 0x8808); 1132 1133 /* I2S control - I2S mode */ 1134 fm801_writew(chip, I2S_MODE, 0x0003); 1135 1136 /* interrupt setup */ 1137 cmdw = fm801_readw(chip, IRQ_MASK); 1138 if (chip->irq < 0) 1139 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */ 1140 else 1141 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */ 1142 fm801_writew(chip, IRQ_MASK, cmdw); 1143 1144 /* interrupt clear */ 1145 fm801_writew(chip, IRQ_STATUS, 1146 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU); 1147 } 1148 1149 static void snd_fm801_free(struct snd_card *card) 1150 { 1151 struct fm801 *chip = card->private_data; 1152 unsigned short cmdw; 1153 1154 /* interrupt setup - mask everything */ 1155 cmdw = fm801_readw(chip, IRQ_MASK); 1156 cmdw |= 0x00c3; 1157 fm801_writew(chip, IRQ_MASK, cmdw); 1158 1159 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1160 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1161 snd_tea575x_exit(&chip->tea); 1162 v4l2_device_unregister(&chip->v4l2_dev); 1163 } 1164 #endif 1165 } 1166 1167 static int snd_fm801_create(struct snd_card *card, 1168 struct pci_dev *pci, 1169 int tea575x_tuner, 1170 int radio_nr) 1171 { 1172 struct fm801 *chip = card->private_data; 1173 int err; 1174 1175 err = pcim_enable_device(pci); 1176 if (err < 0) 1177 return err; 1178 spin_lock_init(&chip->reg_lock); 1179 chip->card = card; 1180 chip->dev = &pci->dev; 1181 chip->irq = -1; 1182 chip->tea575x_tuner = tea575x_tuner; 1183 err = pcim_request_all_regions(pci, "FM801"); 1184 if (err < 0) 1185 return err; 1186 chip->port = pci_resource_start(pci, 0); 1187 1188 if (pci->revision >= 0xb1) /* FM801-AU */ 1189 chip->multichannel = 1; 1190 1191 if (!(chip->tea575x_tuner & TUNER_ONLY)) { 1192 if (reset_codec(chip) < 0) { 1193 dev_info(chip->card->dev, 1194 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n"); 1195 chip->tea575x_tuner = 3 | TUNER_ONLY; 1196 } else { 1197 snd_fm801_chip_multichannel_init(chip); 1198 } 1199 } 1200 1201 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) { 1202 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt, 1203 IRQF_SHARED, KBUILD_MODNAME, chip)) { 1204 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 1205 return -EBUSY; 1206 } 1207 chip->irq = pci->irq; 1208 card->sync_irq = chip->irq; 1209 pci_set_master(pci); 1210 } 1211 1212 card->private_free = snd_fm801_free; 1213 snd_fm801_chip_init(chip); 1214 1215 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1216 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev); 1217 if (err < 0) 1218 return err; 1219 chip->tea.v4l2_dev = &chip->v4l2_dev; 1220 chip->tea.radio_nr = radio_nr; 1221 chip->tea.private_data = chip; 1222 chip->tea.ops = &snd_fm801_tea_ops; 1223 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci)); 1224 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 && 1225 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) { 1226 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1227 dev_err(card->dev, "TEA575x radio not found\n"); 1228 return -ENODEV; 1229 } 1230 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) { 1231 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY; 1232 1233 /* autodetect tuner connection */ 1234 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) { 1235 chip->tea575x_tuner = tea575x_tuner; 1236 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1237 dev_info(card->dev, 1238 "detected TEA575x radio type %s\n", 1239 get_tea575x_gpio(chip)->name); 1240 break; 1241 } 1242 } 1243 if (tea575x_tuner == 4) { 1244 dev_err(card->dev, "TEA575x radio not found\n"); 1245 chip->tea575x_tuner = TUNER_DISABLED; 1246 } 1247 1248 chip->tea575x_tuner |= tuner_only; 1249 } 1250 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1251 strscpy(chip->tea.card, get_tea575x_gpio(chip)->name, 1252 sizeof(chip->tea.card)); 1253 } 1254 #endif 1255 return 0; 1256 } 1257 1258 static int __snd_card_fm801_probe(struct pci_dev *pci, 1259 const struct pci_device_id *pci_id) 1260 { 1261 static int dev; 1262 struct snd_card *card; 1263 struct fm801 *chip; 1264 struct snd_opl3 *opl3; 1265 int err; 1266 1267 if (dev >= SNDRV_CARDS) 1268 return -ENODEV; 1269 if (!enable[dev]) { 1270 dev++; 1271 return -ENOENT; 1272 } 1273 1274 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1275 sizeof(*chip), &card); 1276 if (err < 0) 1277 return err; 1278 chip = card->private_data; 1279 err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev]); 1280 if (err < 0) 1281 return err; 1282 1283 strscpy(card->driver, "FM801"); 1284 strscpy(card->shortname, "ForteMedia FM801-"); 1285 strcat(card->shortname, chip->multichannel ? "AU" : "AS"); 1286 sprintf(card->longname, "%s at 0x%lx, irq %i", 1287 card->shortname, chip->port, chip->irq); 1288 1289 if (chip->tea575x_tuner & TUNER_ONLY) 1290 goto __fm801_tuner_only; 1291 1292 err = snd_fm801_pcm(chip, 0); 1293 if (err < 0) 1294 return err; 1295 err = snd_fm801_mixer(chip); 1296 if (err < 0) 1297 return err; 1298 err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801, 1299 chip->port + FM801_MPU401_DATA, 1300 MPU401_INFO_INTEGRATED | 1301 MPU401_INFO_IRQ_HOOK, 1302 -1, &chip->rmidi); 1303 if (err < 0) 1304 return err; 1305 err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0, 1306 chip->port + FM801_OPL3_BANK1, 1307 OPL3_HW_OPL3_FM801, 1, &opl3); 1308 if (err < 0) 1309 return err; 1310 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); 1311 if (err < 0) 1312 return err; 1313 1314 __fm801_tuner_only: 1315 err = snd_card_register(card); 1316 if (err < 0) 1317 return err; 1318 pci_set_drvdata(pci, card); 1319 dev++; 1320 return 0; 1321 } 1322 1323 static int snd_card_fm801_probe(struct pci_dev *pci, 1324 const struct pci_device_id *pci_id) 1325 { 1326 return snd_card_free_on_error(&pci->dev, __snd_card_fm801_probe(pci, pci_id)); 1327 } 1328 1329 static const unsigned char saved_regs[] = { 1330 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC, 1331 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2, 1332 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2, 1333 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL, 1334 }; 1335 1336 static int snd_fm801_suspend(struct device *dev) 1337 { 1338 struct snd_card *card = dev_get_drvdata(dev); 1339 struct fm801 *chip = card->private_data; 1340 int i; 1341 1342 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1343 1344 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1345 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]); 1346 1347 if (chip->tea575x_tuner & TUNER_ONLY) { 1348 /* FIXME: tea575x suspend */ 1349 } else { 1350 snd_ac97_suspend(chip->ac97); 1351 snd_ac97_suspend(chip->ac97_sec); 1352 } 1353 1354 return 0; 1355 } 1356 1357 static int snd_fm801_resume(struct device *dev) 1358 { 1359 struct snd_card *card = dev_get_drvdata(dev); 1360 struct fm801 *chip = card->private_data; 1361 int i; 1362 1363 if (chip->tea575x_tuner & TUNER_ONLY) { 1364 snd_fm801_chip_init(chip); 1365 } else { 1366 reset_codec(chip); 1367 snd_fm801_chip_multichannel_init(chip); 1368 snd_fm801_chip_init(chip); 1369 snd_ac97_resume(chip->ac97); 1370 snd_ac97_resume(chip->ac97_sec); 1371 } 1372 1373 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1374 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]); 1375 1376 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1377 if (!(chip->tea575x_tuner & TUNER_DISABLED)) 1378 snd_tea575x_set_freq(&chip->tea); 1379 #endif 1380 1381 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1382 return 0; 1383 } 1384 1385 static DEFINE_SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume); 1386 1387 static struct pci_driver fm801_driver = { 1388 .name = KBUILD_MODNAME, 1389 .id_table = snd_fm801_ids, 1390 .probe = snd_card_fm801_probe, 1391 .driver = { 1392 .pm = &snd_fm801_pm, 1393 }, 1394 }; 1395 1396 module_pci_driver(fm801_driver); 1397