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 26MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 27MODULE_DESCRIPTION("ForteMedia FM801"); 28MODULE_LICENSE("GPL"); 29MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801}," 30 "{Genius,SoundMaker Live 5.1}}"); 31 32static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 33static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 34static 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 */ 43static int tea575x_tuner[SNDRV_CARDS]; 44static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; 45 46module_param_array(index, int, NULL, 0444); 47MODULE_PARM_DESC(index, "Index value for the FM801 soundcard."); 48module_param_array(id, charp, NULL, 0444); 49MODULE_PARM_DESC(id, "ID string for the FM801 soundcard."); 50module_param_array(enable, bool, NULL, 0444); 51MODULE_PARM_DESC(enable, "Enable FM801 soundcard."); 52module_param_array(tea575x_tuner, int, NULL, 0444); 53MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only)."); 54module_param_array(radio_nr, int, NULL, 0444); 55MODULE_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 * @dev: device for this chio 148 * @irq: irq number 149 * @port: I/O port number 150 * @multichannel: multichannel support 151 * @secondary: secondary codec 152 * @secondary_addr: address of the secondary codec 153 * @tea575x_tuner: tuner access method & flags 154 * @ply_ctrl: playback control 155 * @cap_ctrl: capture control 156 * @ply_buffer: playback buffer 157 * @ply_buf: playback buffer index 158 * @ply_count: playback buffer count 159 * @ply_size: playback buffer size 160 * @ply_pos: playback position 161 * @cap_buffer: capture buffer 162 * @cap_buf: capture buffer index 163 * @cap_count: capture buffer count 164 * @cap_size: capture buffer size 165 * @cap_pos: capture position 166 * @ac97_bus: ac97 bus handle 167 * @ac97: ac97 handle 168 * @ac97_sec: ac97 secondary handle 169 * @card: ALSA card 170 * @pcm: PCM devices 171 * @rmidi: rmidi device 172 * @playback_substream: substream for playback 173 * @capture_substream: substream for capture 174 * @p_dma_size: playback DMA size 175 * @c_dma_size: capture DMA size 176 * @reg_lock: lock 177 * @proc_entry: /proc entry 178 * @v4l2_dev: v4l2 device 179 * @tea: tea575a structure 180 * @saved_regs: context saved during suspend 181 */ 182struct fm801 { 183 struct device *dev; 184 int irq; 185 186 unsigned long port; 187 unsigned int multichannel: 1, 188 secondary: 1; 189 unsigned char secondary_addr; 190 unsigned int tea575x_tuner; 191 192 unsigned short ply_ctrl; 193 unsigned short cap_ctrl; 194 195 unsigned long ply_buffer; 196 unsigned int ply_buf; 197 unsigned int ply_count; 198 unsigned int ply_size; 199 unsigned int ply_pos; 200 201 unsigned long cap_buffer; 202 unsigned int cap_buf; 203 unsigned int cap_count; 204 unsigned int cap_size; 205 unsigned int cap_pos; 206 207 struct snd_ac97_bus *ac97_bus; 208 struct snd_ac97 *ac97; 209 struct snd_ac97 *ac97_sec; 210 211 struct snd_card *card; 212 struct snd_pcm *pcm; 213 struct snd_rawmidi *rmidi; 214 struct snd_pcm_substream *playback_substream; 215 struct snd_pcm_substream *capture_substream; 216 unsigned int p_dma_size; 217 unsigned int c_dma_size; 218 219 spinlock_t reg_lock; 220 struct snd_info_entry *proc_entry; 221 222#ifdef CONFIG_SND_FM801_TEA575X_BOOL 223 struct v4l2_device v4l2_dev; 224 struct snd_tea575x tea; 225#endif 226 227#ifdef CONFIG_PM_SLEEP 228 u16 saved_regs[0x20]; 229#endif 230}; 231 232/* 233 * IO accessors 234 */ 235 236static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value) 237{ 238 outw(value, chip->port + offset); 239} 240 241static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset) 242{ 243 return inw(chip->port + offset); 244} 245 246static const struct pci_device_id snd_fm801_ids[] = { 247 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */ 248 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */ 249 { 0, } 250}; 251 252MODULE_DEVICE_TABLE(pci, snd_fm801_ids); 253 254/* 255 * common I/O routines 256 */ 257 258static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations) 259{ 260 unsigned int idx; 261 262 for (idx = 0; idx < iterations; idx++) { 263 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY)) 264 return true; 265 udelay(10); 266 } 267 return false; 268} 269 270static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations) 271{ 272 unsigned int idx; 273 274 for (idx = 0; idx < iterations; idx++) { 275 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID) 276 return true; 277 udelay(10); 278 } 279 return false; 280} 281 282static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg, 283 unsigned short mask, unsigned short value) 284{ 285 int change; 286 unsigned long flags; 287 unsigned short old, new; 288 289 spin_lock_irqsave(&chip->reg_lock, flags); 290 old = fm801_ioread16(chip, reg); 291 new = (old & ~mask) | value; 292 change = old != new; 293 if (change) 294 fm801_iowrite16(chip, reg, new); 295 spin_unlock_irqrestore(&chip->reg_lock, flags); 296 return change; 297} 298 299static void snd_fm801_codec_write(struct snd_ac97 *ac97, 300 unsigned short reg, 301 unsigned short val) 302{ 303 struct fm801 *chip = ac97->private_data; 304 305 /* 306 * Wait until the codec interface is not ready.. 307 */ 308 if (!fm801_ac97_is_ready(chip, 100)) { 309 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n"); 310 return; 311 } 312 313 /* write data and address */ 314 fm801_writew(chip, AC97_DATA, val); 315 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT)); 316 /* 317 * Wait until the write command is not completed.. 318 */ 319 if (!fm801_ac97_is_ready(chip, 1000)) 320 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 321 ac97->num); 322} 323 324static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg) 325{ 326 struct fm801 *chip = ac97->private_data; 327 328 /* 329 * Wait until the codec interface is not ready.. 330 */ 331 if (!fm801_ac97_is_ready(chip, 100)) { 332 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n"); 333 return 0; 334 } 335 336 /* read command */ 337 fm801_writew(chip, AC97_CMD, 338 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 339 if (!fm801_ac97_is_ready(chip, 100)) { 340 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", 341 ac97->num); 342 return 0; 343 } 344 345 if (!fm801_ac97_is_valid(chip, 1000)) { 346 dev_err(chip->card->dev, 347 "AC'97 interface #%d is not valid (2)\n", ac97->num); 348 return 0; 349 } 350 351 return fm801_readw(chip, AC97_DATA); 352} 353 354static const unsigned int rates[] = { 355 5500, 8000, 9600, 11025, 356 16000, 19200, 22050, 32000, 357 38400, 44100, 48000 358}; 359 360static const struct snd_pcm_hw_constraint_list hw_constraints_rates = { 361 .count = ARRAY_SIZE(rates), 362 .list = rates, 363 .mask = 0, 364}; 365 366static const unsigned int channels[] = { 367 2, 4, 6 368}; 369 370static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 371 .count = ARRAY_SIZE(channels), 372 .list = channels, 373 .mask = 0, 374}; 375 376/* 377 * Sample rate routines 378 */ 379 380static unsigned short snd_fm801_rate_bits(unsigned int rate) 381{ 382 unsigned int idx; 383 384 for (idx = 0; idx < ARRAY_SIZE(rates); idx++) 385 if (rates[idx] == rate) 386 return idx; 387 snd_BUG(); 388 return ARRAY_SIZE(rates) - 1; 389} 390 391/* 392 * PCM part 393 */ 394 395static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream, 396 int cmd) 397{ 398 struct fm801 *chip = snd_pcm_substream_chip(substream); 399 400 spin_lock(&chip->reg_lock); 401 switch (cmd) { 402 case SNDRV_PCM_TRIGGER_START: 403 chip->ply_ctrl &= ~(FM801_BUF1_LAST | 404 FM801_BUF2_LAST | 405 FM801_PAUSE); 406 chip->ply_ctrl |= FM801_START | 407 FM801_IMMED_STOP; 408 break; 409 case SNDRV_PCM_TRIGGER_STOP: 410 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE); 411 break; 412 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 413 case SNDRV_PCM_TRIGGER_SUSPEND: 414 chip->ply_ctrl |= FM801_PAUSE; 415 break; 416 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 417 case SNDRV_PCM_TRIGGER_RESUME: 418 chip->ply_ctrl &= ~FM801_PAUSE; 419 break; 420 default: 421 spin_unlock(&chip->reg_lock); 422 snd_BUG(); 423 return -EINVAL; 424 } 425 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 426 spin_unlock(&chip->reg_lock); 427 return 0; 428} 429 430static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream, 431 int cmd) 432{ 433 struct fm801 *chip = snd_pcm_substream_chip(substream); 434 435 spin_lock(&chip->reg_lock); 436 switch (cmd) { 437 case SNDRV_PCM_TRIGGER_START: 438 chip->cap_ctrl &= ~(FM801_BUF1_LAST | 439 FM801_BUF2_LAST | 440 FM801_PAUSE); 441 chip->cap_ctrl |= FM801_START | 442 FM801_IMMED_STOP; 443 break; 444 case SNDRV_PCM_TRIGGER_STOP: 445 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE); 446 break; 447 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 448 case SNDRV_PCM_TRIGGER_SUSPEND: 449 chip->cap_ctrl |= FM801_PAUSE; 450 break; 451 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 452 case SNDRV_PCM_TRIGGER_RESUME: 453 chip->cap_ctrl &= ~FM801_PAUSE; 454 break; 455 default: 456 spin_unlock(&chip->reg_lock); 457 snd_BUG(); 458 return -EINVAL; 459 } 460 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 461 spin_unlock(&chip->reg_lock); 462 return 0; 463} 464 465static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream) 466{ 467 struct fm801 *chip = snd_pcm_substream_chip(substream); 468 struct snd_pcm_runtime *runtime = substream->runtime; 469 470 chip->ply_size = snd_pcm_lib_buffer_bytes(substream); 471 chip->ply_count = snd_pcm_lib_period_bytes(substream); 472 spin_lock_irq(&chip->reg_lock); 473 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT | 474 FM801_STEREO | FM801_RATE_MASK | 475 FM801_CHANNELS_MASK); 476 if (snd_pcm_format_width(runtime->format) == 16) 477 chip->ply_ctrl |= FM801_16BIT; 478 if (runtime->channels > 1) { 479 chip->ply_ctrl |= FM801_STEREO; 480 if (runtime->channels == 4) 481 chip->ply_ctrl |= FM801_CHANNELS_4; 482 else if (runtime->channels == 6) 483 chip->ply_ctrl |= FM801_CHANNELS_6; 484 } 485 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 486 chip->ply_buf = 0; 487 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl); 488 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1); 489 chip->ply_buffer = runtime->dma_addr; 490 chip->ply_pos = 0; 491 fm801_writel(chip, PLY_BUF1, chip->ply_buffer); 492 fm801_writel(chip, PLY_BUF2, 493 chip->ply_buffer + (chip->ply_count % chip->ply_size)); 494 spin_unlock_irq(&chip->reg_lock); 495 return 0; 496} 497 498static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream) 499{ 500 struct fm801 *chip = snd_pcm_substream_chip(substream); 501 struct snd_pcm_runtime *runtime = substream->runtime; 502 503 chip->cap_size = snd_pcm_lib_buffer_bytes(substream); 504 chip->cap_count = snd_pcm_lib_period_bytes(substream); 505 spin_lock_irq(&chip->reg_lock); 506 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT | 507 FM801_STEREO | FM801_RATE_MASK); 508 if (snd_pcm_format_width(runtime->format) == 16) 509 chip->cap_ctrl |= FM801_16BIT; 510 if (runtime->channels > 1) 511 chip->cap_ctrl |= FM801_STEREO; 512 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 513 chip->cap_buf = 0; 514 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl); 515 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1); 516 chip->cap_buffer = runtime->dma_addr; 517 chip->cap_pos = 0; 518 fm801_writel(chip, CAP_BUF1, chip->cap_buffer); 519 fm801_writel(chip, CAP_BUF2, 520 chip->cap_buffer + (chip->cap_count % chip->cap_size)); 521 spin_unlock_irq(&chip->reg_lock); 522 return 0; 523} 524 525static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream) 526{ 527 struct fm801 *chip = snd_pcm_substream_chip(substream); 528 size_t ptr; 529 530 if (!(chip->ply_ctrl & FM801_START)) 531 return 0; 532 spin_lock(&chip->reg_lock); 533 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT); 534 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) { 535 ptr += chip->ply_count; 536 ptr %= chip->ply_size; 537 } 538 spin_unlock(&chip->reg_lock); 539 return bytes_to_frames(substream->runtime, ptr); 540} 541 542static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream) 543{ 544 struct fm801 *chip = snd_pcm_substream_chip(substream); 545 size_t ptr; 546 547 if (!(chip->cap_ctrl & FM801_START)) 548 return 0; 549 spin_lock(&chip->reg_lock); 550 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT); 551 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) { 552 ptr += chip->cap_count; 553 ptr %= chip->cap_size; 554 } 555 spin_unlock(&chip->reg_lock); 556 return bytes_to_frames(substream->runtime, ptr); 557} 558 559static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id) 560{ 561 struct fm801 *chip = dev_id; 562 unsigned short status; 563 unsigned int tmp; 564 565 status = fm801_readw(chip, IRQ_STATUS); 566 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME; 567 if (! status) 568 return IRQ_NONE; 569 /* ack first */ 570 fm801_writew(chip, IRQ_STATUS, status); 571 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) { 572 spin_lock(&chip->reg_lock); 573 chip->ply_buf++; 574 chip->ply_pos += chip->ply_count; 575 chip->ply_pos %= chip->ply_size; 576 tmp = chip->ply_pos + chip->ply_count; 577 tmp %= chip->ply_size; 578 if (chip->ply_buf & 1) 579 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp); 580 else 581 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp); 582 spin_unlock(&chip->reg_lock); 583 snd_pcm_period_elapsed(chip->playback_substream); 584 } 585 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) { 586 spin_lock(&chip->reg_lock); 587 chip->cap_buf++; 588 chip->cap_pos += chip->cap_count; 589 chip->cap_pos %= chip->cap_size; 590 tmp = chip->cap_pos + chip->cap_count; 591 tmp %= chip->cap_size; 592 if (chip->cap_buf & 1) 593 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp); 594 else 595 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp); 596 spin_unlock(&chip->reg_lock); 597 snd_pcm_period_elapsed(chip->capture_substream); 598 } 599 if (chip->rmidi && (status & FM801_IRQ_MPU)) 600 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 601 if (status & FM801_IRQ_VOLUME) { 602 /* TODO */ 603 } 604 605 return IRQ_HANDLED; 606} 607 608static const struct snd_pcm_hardware snd_fm801_playback = 609{ 610 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 611 SNDRV_PCM_INFO_BLOCK_TRANSFER | 612 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 613 SNDRV_PCM_INFO_MMAP_VALID), 614 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 615 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 616 .rate_min = 5500, 617 .rate_max = 48000, 618 .channels_min = 1, 619 .channels_max = 2, 620 .buffer_bytes_max = (128*1024), 621 .period_bytes_min = 64, 622 .period_bytes_max = (128*1024), 623 .periods_min = 1, 624 .periods_max = 1024, 625 .fifo_size = 0, 626}; 627 628static const struct snd_pcm_hardware snd_fm801_capture = 629{ 630 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 631 SNDRV_PCM_INFO_BLOCK_TRANSFER | 632 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 633 SNDRV_PCM_INFO_MMAP_VALID), 634 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 635 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 636 .rate_min = 5500, 637 .rate_max = 48000, 638 .channels_min = 1, 639 .channels_max = 2, 640 .buffer_bytes_max = (128*1024), 641 .period_bytes_min = 64, 642 .period_bytes_max = (128*1024), 643 .periods_min = 1, 644 .periods_max = 1024, 645 .fifo_size = 0, 646}; 647 648static int snd_fm801_playback_open(struct snd_pcm_substream *substream) 649{ 650 struct fm801 *chip = snd_pcm_substream_chip(substream); 651 struct snd_pcm_runtime *runtime = substream->runtime; 652 int err; 653 654 chip->playback_substream = substream; 655 runtime->hw = snd_fm801_playback; 656 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 657 &hw_constraints_rates); 658 if (chip->multichannel) { 659 runtime->hw.channels_max = 6; 660 snd_pcm_hw_constraint_list(runtime, 0, 661 SNDRV_PCM_HW_PARAM_CHANNELS, 662 &hw_constraints_channels); 663 } 664 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 665 return err; 666 return 0; 667} 668 669static int snd_fm801_capture_open(struct snd_pcm_substream *substream) 670{ 671 struct fm801 *chip = snd_pcm_substream_chip(substream); 672 struct snd_pcm_runtime *runtime = substream->runtime; 673 int err; 674 675 chip->capture_substream = substream; 676 runtime->hw = snd_fm801_capture; 677 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 678 &hw_constraints_rates); 679 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 680 return err; 681 return 0; 682} 683 684static int snd_fm801_playback_close(struct snd_pcm_substream *substream) 685{ 686 struct fm801 *chip = snd_pcm_substream_chip(substream); 687 688 chip->playback_substream = NULL; 689 return 0; 690} 691 692static int snd_fm801_capture_close(struct snd_pcm_substream *substream) 693{ 694 struct fm801 *chip = snd_pcm_substream_chip(substream); 695 696 chip->capture_substream = NULL; 697 return 0; 698} 699 700static const struct snd_pcm_ops snd_fm801_playback_ops = { 701 .open = snd_fm801_playback_open, 702 .close = snd_fm801_playback_close, 703 .prepare = snd_fm801_playback_prepare, 704 .trigger = snd_fm801_playback_trigger, 705 .pointer = snd_fm801_playback_pointer, 706}; 707 708static const struct snd_pcm_ops snd_fm801_capture_ops = { 709 .open = snd_fm801_capture_open, 710 .close = snd_fm801_capture_close, 711 .prepare = snd_fm801_capture_prepare, 712 .trigger = snd_fm801_capture_trigger, 713 .pointer = snd_fm801_capture_pointer, 714}; 715 716static int snd_fm801_pcm(struct fm801 *chip, int device) 717{ 718 struct pci_dev *pdev = to_pci_dev(chip->dev); 719 struct snd_pcm *pcm; 720 int err; 721 722 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0) 723 return err; 724 725 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops); 726 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops); 727 728 pcm->private_data = chip; 729 pcm->info_flags = 0; 730 strcpy(pcm->name, "FM801"); 731 chip->pcm = pcm; 732 733 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev, 734 chip->multichannel ? 128*1024 : 64*1024, 128*1024); 735 736 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 737 snd_pcm_alt_chmaps, 738 chip->multichannel ? 6 : 2, 0, 739 NULL); 740} 741 742/* 743 * TEA5757 radio 744 */ 745 746#ifdef CONFIG_SND_FM801_TEA575X_BOOL 747 748/* GPIO to TEA575x maps */ 749struct snd_fm801_tea575x_gpio { 750 u8 data, clk, wren, most; 751 char *name; 752}; 753 754static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = { 755 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" }, 756 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" }, 757 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" }, 758}; 759 760#define get_tea575x_gpio(chip) \ 761 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1]) 762 763static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins) 764{ 765 struct fm801 *chip = tea->private_data; 766 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 767 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 768 769 reg &= ~(FM801_GPIO_GP(gpio.data) | 770 FM801_GPIO_GP(gpio.clk) | 771 FM801_GPIO_GP(gpio.wren)); 772 773 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0; 774 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0; 775 /* WRITE_ENABLE is inverted */ 776 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren); 777 778 fm801_writew(chip, GPIO_CTRL, reg); 779} 780 781static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea) 782{ 783 struct fm801 *chip = tea->private_data; 784 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 785 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 786 u8 ret; 787 788 ret = 0; 789 if (reg & FM801_GPIO_GP(gpio.data)) 790 ret |= TEA575X_DATA; 791 if (reg & FM801_GPIO_GP(gpio.most)) 792 ret |= TEA575X_MOST; 793 return ret; 794} 795 796static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output) 797{ 798 struct fm801 *chip = tea->private_data; 799 unsigned short reg = fm801_readw(chip, GPIO_CTRL); 800 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 801 802 /* use GPIO lines and set write enable bit */ 803 reg |= FM801_GPIO_GS(gpio.data) | 804 FM801_GPIO_GS(gpio.wren) | 805 FM801_GPIO_GS(gpio.clk) | 806 FM801_GPIO_GS(gpio.most); 807 if (output) { 808 /* all of lines are in the write direction */ 809 /* clear data and clock lines */ 810 reg &= ~(FM801_GPIO_GD(gpio.data) | 811 FM801_GPIO_GD(gpio.wren) | 812 FM801_GPIO_GD(gpio.clk) | 813 FM801_GPIO_GP(gpio.data) | 814 FM801_GPIO_GP(gpio.clk) | 815 FM801_GPIO_GP(gpio.wren)); 816 } else { 817 /* use GPIO lines, set data direction to input */ 818 reg |= FM801_GPIO_GD(gpio.data) | 819 FM801_GPIO_GD(gpio.most) | 820 FM801_GPIO_GP(gpio.data) | 821 FM801_GPIO_GP(gpio.most) | 822 FM801_GPIO_GP(gpio.wren); 823 /* all of lines are in the write direction, except data */ 824 /* clear data, write enable and clock lines */ 825 reg &= ~(FM801_GPIO_GD(gpio.wren) | 826 FM801_GPIO_GD(gpio.clk) | 827 FM801_GPIO_GP(gpio.clk)); 828 } 829 830 fm801_writew(chip, GPIO_CTRL, reg); 831} 832 833static const struct snd_tea575x_ops snd_fm801_tea_ops = { 834 .set_pins = snd_fm801_tea575x_set_pins, 835 .get_pins = snd_fm801_tea575x_get_pins, 836 .set_direction = snd_fm801_tea575x_set_direction, 837}; 838#endif 839 840/* 841 * Mixer routines 842 */ 843 844#define FM801_SINGLE(xname, reg, shift, mask, invert) \ 845{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \ 846 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \ 847 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 848 849static int snd_fm801_info_single(struct snd_kcontrol *kcontrol, 850 struct snd_ctl_elem_info *uinfo) 851{ 852 int mask = (kcontrol->private_value >> 16) & 0xff; 853 854 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 855 uinfo->count = 1; 856 uinfo->value.integer.min = 0; 857 uinfo->value.integer.max = mask; 858 return 0; 859} 860 861static int snd_fm801_get_single(struct snd_kcontrol *kcontrol, 862 struct snd_ctl_elem_value *ucontrol) 863{ 864 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 865 int reg = kcontrol->private_value & 0xff; 866 int shift = (kcontrol->private_value >> 8) & 0xff; 867 int mask = (kcontrol->private_value >> 16) & 0xff; 868 int invert = (kcontrol->private_value >> 24) & 0xff; 869 long *value = ucontrol->value.integer.value; 870 871 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask; 872 if (invert) 873 value[0] = mask - value[0]; 874 return 0; 875} 876 877static int snd_fm801_put_single(struct snd_kcontrol *kcontrol, 878 struct snd_ctl_elem_value *ucontrol) 879{ 880 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 881 int reg = kcontrol->private_value & 0xff; 882 int shift = (kcontrol->private_value >> 8) & 0xff; 883 int mask = (kcontrol->private_value >> 16) & 0xff; 884 int invert = (kcontrol->private_value >> 24) & 0xff; 885 unsigned short val; 886 887 val = (ucontrol->value.integer.value[0] & mask); 888 if (invert) 889 val = mask - val; 890 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift); 891} 892 893#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ 894{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \ 895 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 896 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) } 897#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ 898{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 899 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 900 .name = xname, .info = snd_fm801_info_double, \ 901 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 902 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \ 903 .tlv = { .p = (xtlv) } } 904 905static int snd_fm801_info_double(struct snd_kcontrol *kcontrol, 906 struct snd_ctl_elem_info *uinfo) 907{ 908 int mask = (kcontrol->private_value >> 16) & 0xff; 909 910 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 911 uinfo->count = 2; 912 uinfo->value.integer.min = 0; 913 uinfo->value.integer.max = mask; 914 return 0; 915} 916 917static int snd_fm801_get_double(struct snd_kcontrol *kcontrol, 918 struct snd_ctl_elem_value *ucontrol) 919{ 920 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 921 int reg = kcontrol->private_value & 0xff; 922 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 923 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 924 int mask = (kcontrol->private_value >> 16) & 0xff; 925 int invert = (kcontrol->private_value >> 24) & 0xff; 926 long *value = ucontrol->value.integer.value; 927 928 spin_lock_irq(&chip->reg_lock); 929 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask; 930 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask; 931 spin_unlock_irq(&chip->reg_lock); 932 if (invert) { 933 value[0] = mask - value[0]; 934 value[1] = mask - value[1]; 935 } 936 return 0; 937} 938 939static int snd_fm801_put_double(struct snd_kcontrol *kcontrol, 940 struct snd_ctl_elem_value *ucontrol) 941{ 942 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 943 int reg = kcontrol->private_value & 0xff; 944 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 945 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 946 int mask = (kcontrol->private_value >> 16) & 0xff; 947 int invert = (kcontrol->private_value >> 24) & 0xff; 948 unsigned short val1, val2; 949 950 val1 = ucontrol->value.integer.value[0] & mask; 951 val2 = ucontrol->value.integer.value[1] & mask; 952 if (invert) { 953 val1 = mask - val1; 954 val2 = mask - val2; 955 } 956 return snd_fm801_update_bits(chip, reg, 957 (mask << shift_left) | (mask << shift_right), 958 (val1 << shift_left ) | (val2 << shift_right)); 959} 960 961static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol, 962 struct snd_ctl_elem_info *uinfo) 963{ 964 static const char * const texts[5] = { 965 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary" 966 }; 967 968 return snd_ctl_enum_info(uinfo, 1, 5, texts); 969} 970 971static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol, 972 struct snd_ctl_elem_value *ucontrol) 973{ 974 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 975 unsigned short val; 976 977 val = fm801_readw(chip, REC_SRC) & 7; 978 if (val > 4) 979 val = 4; 980 ucontrol->value.enumerated.item[0] = val; 981 return 0; 982} 983 984static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol, 985 struct snd_ctl_elem_value *ucontrol) 986{ 987 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 988 unsigned short val; 989 990 if ((val = ucontrol->value.enumerated.item[0]) > 4) 991 return -EINVAL; 992 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val); 993} 994 995static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0); 996 997#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls) 998 999static const struct snd_kcontrol_new snd_fm801_controls[] = { 1000FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1, 1001 db_scale_dsp), 1002FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1), 1003FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1, 1004 db_scale_dsp), 1005FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1), 1006FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1, 1007 db_scale_dsp), 1008FM801_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 1020static const struct snd_kcontrol_new snd_fm801_controls_multi[] = { 1021FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0), 1022FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0), 1023FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0), 1024FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0), 1025FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0), 1026FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0), 1027}; 1028 1029static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1030{ 1031 struct fm801 *chip = bus->private_data; 1032 chip->ac97_bus = NULL; 1033} 1034 1035static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97) 1036{ 1037 struct fm801 *chip = ac97->private_data; 1038 if (ac97->num == 0) { 1039 chip->ac97 = NULL; 1040 } else { 1041 chip->ac97_sec = NULL; 1042 } 1043} 1044 1045static int snd_fm801_mixer(struct fm801 *chip) 1046{ 1047 struct snd_ac97_template ac97; 1048 unsigned int i; 1049 int err; 1050 static const struct snd_ac97_bus_ops ops = { 1051 .write = snd_fm801_codec_write, 1052 .read = snd_fm801_codec_read, 1053 }; 1054 1055 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1056 return err; 1057 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus; 1058 1059 memset(&ac97, 0, sizeof(ac97)); 1060 ac97.private_data = chip; 1061 ac97.private_free = snd_fm801_mixer_free_ac97; 1062 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1063 return err; 1064 if (chip->secondary) { 1065 ac97.num = 1; 1066 ac97.addr = chip->secondary_addr; 1067 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0) 1068 return err; 1069 } 1070 for (i = 0; i < FM801_CONTROLS; i++) { 1071 err = snd_ctl_add(chip->card, 1072 snd_ctl_new1(&snd_fm801_controls[i], chip)); 1073 if (err < 0) 1074 return err; 1075 } 1076 if (chip->multichannel) { 1077 for (i = 0; i < FM801_CONTROLS_MULTI; i++) { 1078 err = snd_ctl_add(chip->card, 1079 snd_ctl_new1(&snd_fm801_controls_multi[i], chip)); 1080 if (err < 0) 1081 return err; 1082 } 1083 } 1084 return 0; 1085} 1086 1087/* 1088 * initialization routines 1089 */ 1090 1091static int wait_for_codec(struct fm801 *chip, unsigned int codec_id, 1092 unsigned short reg, unsigned long waits) 1093{ 1094 unsigned long timeout = jiffies + waits; 1095 1096 fm801_writew(chip, AC97_CMD, 1097 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ); 1098 udelay(5); 1099 do { 1100 if ((fm801_readw(chip, AC97_CMD) & 1101 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID) 1102 return 0; 1103 schedule_timeout_uninterruptible(1); 1104 } while (time_after(timeout, jiffies)); 1105 return -EIO; 1106} 1107 1108static int reset_codec(struct fm801 *chip) 1109{ 1110 /* codec cold reset + AC'97 warm reset */ 1111 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6)); 1112 fm801_readw(chip, CODEC_CTRL); /* flush posting data */ 1113 udelay(100); 1114 fm801_writew(chip, CODEC_CTRL, 0); 1115 1116 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)); 1117} 1118 1119static void snd_fm801_chip_multichannel_init(struct fm801 *chip) 1120{ 1121 unsigned short cmdw; 1122 1123 if (chip->multichannel) { 1124 if (chip->secondary_addr) { 1125 wait_for_codec(chip, chip->secondary_addr, 1126 AC97_VENDOR_ID1, msecs_to_jiffies(50)); 1127 } else { 1128 /* my card has the secondary codec */ 1129 /* at address #3, so the loop is inverted */ 1130 int i; 1131 for (i = 3; i > 0; i--) { 1132 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1, 1133 msecs_to_jiffies(50))) { 1134 cmdw = fm801_readw(chip, AC97_DATA); 1135 if (cmdw != 0xffff && cmdw != 0) { 1136 chip->secondary = 1; 1137 chip->secondary_addr = i; 1138 break; 1139 } 1140 } 1141 } 1142 } 1143 1144 /* the recovery phase, it seems that probing for non-existing codec might */ 1145 /* cause timeout problems */ 1146 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750)); 1147 } 1148} 1149 1150static void snd_fm801_chip_init(struct fm801 *chip) 1151{ 1152 unsigned short cmdw; 1153 1154 /* init volume */ 1155 fm801_writew(chip, PCM_VOL, 0x0808); 1156 fm801_writew(chip, FM_VOL, 0x9f1f); 1157 fm801_writew(chip, I2S_VOL, 0x8808); 1158 1159 /* I2S control - I2S mode */ 1160 fm801_writew(chip, I2S_MODE, 0x0003); 1161 1162 /* interrupt setup */ 1163 cmdw = fm801_readw(chip, IRQ_MASK); 1164 if (chip->irq < 0) 1165 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */ 1166 else 1167 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */ 1168 fm801_writew(chip, IRQ_MASK, cmdw); 1169 1170 /* interrupt clear */ 1171 fm801_writew(chip, IRQ_STATUS, 1172 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU); 1173} 1174 1175static int snd_fm801_free(struct fm801 *chip) 1176{ 1177 unsigned short cmdw; 1178 1179 if (chip->irq < 0) 1180 goto __end_hw; 1181 1182 /* interrupt setup - mask everything */ 1183 cmdw = fm801_readw(chip, IRQ_MASK); 1184 cmdw |= 0x00c3; 1185 fm801_writew(chip, IRQ_MASK, cmdw); 1186 1187 devm_free_irq(chip->dev, chip->irq, chip); 1188 1189 __end_hw: 1190#ifdef CONFIG_SND_FM801_TEA575X_BOOL 1191 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1192 snd_tea575x_exit(&chip->tea); 1193 v4l2_device_unregister(&chip->v4l2_dev); 1194 } 1195#endif 1196 return 0; 1197} 1198 1199static int snd_fm801_dev_free(struct snd_device *device) 1200{ 1201 struct fm801 *chip = device->device_data; 1202 return snd_fm801_free(chip); 1203} 1204 1205static int snd_fm801_create(struct snd_card *card, 1206 struct pci_dev *pci, 1207 int tea575x_tuner, 1208 int radio_nr, 1209 struct fm801 **rchip) 1210{ 1211 struct fm801 *chip; 1212 int err; 1213 static const struct snd_device_ops ops = { 1214 .dev_free = snd_fm801_dev_free, 1215 }; 1216 1217 *rchip = NULL; 1218 if ((err = pcim_enable_device(pci)) < 0) 1219 return err; 1220 chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL); 1221 if (chip == NULL) 1222 return -ENOMEM; 1223 spin_lock_init(&chip->reg_lock); 1224 chip->card = card; 1225 chip->dev = &pci->dev; 1226 chip->irq = -1; 1227 chip->tea575x_tuner = tea575x_tuner; 1228 if ((err = pci_request_regions(pci, "FM801")) < 0) 1229 return err; 1230 chip->port = pci_resource_start(pci, 0); 1231 1232 if (pci->revision >= 0xb1) /* FM801-AU */ 1233 chip->multichannel = 1; 1234 1235 if (!(chip->tea575x_tuner & TUNER_ONLY)) { 1236 if (reset_codec(chip) < 0) { 1237 dev_info(chip->card->dev, 1238 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n"); 1239 chip->tea575x_tuner = 3 | TUNER_ONLY; 1240 } else { 1241 snd_fm801_chip_multichannel_init(chip); 1242 } 1243 } 1244 1245 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) { 1246 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt, 1247 IRQF_SHARED, KBUILD_MODNAME, chip)) { 1248 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 1249 snd_fm801_free(chip); 1250 return -EBUSY; 1251 } 1252 chip->irq = pci->irq; 1253 card->sync_irq = chip->irq; 1254 pci_set_master(pci); 1255 } 1256 1257 snd_fm801_chip_init(chip); 1258 1259 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1260 snd_fm801_free(chip); 1261 return err; 1262 } 1263 1264#ifdef CONFIG_SND_FM801_TEA575X_BOOL 1265 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev); 1266 if (err < 0) { 1267 snd_fm801_free(chip); 1268 return err; 1269 } 1270 chip->tea.v4l2_dev = &chip->v4l2_dev; 1271 chip->tea.radio_nr = radio_nr; 1272 chip->tea.private_data = chip; 1273 chip->tea.ops = &snd_fm801_tea_ops; 1274 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci)); 1275 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 && 1276 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) { 1277 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1278 dev_err(card->dev, "TEA575x radio not found\n"); 1279 snd_fm801_free(chip); 1280 return -ENODEV; 1281 } 1282 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) { 1283 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY; 1284 1285 /* autodetect tuner connection */ 1286 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) { 1287 chip->tea575x_tuner = tea575x_tuner; 1288 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1289 dev_info(card->dev, 1290 "detected TEA575x radio type %s\n", 1291 get_tea575x_gpio(chip)->name); 1292 break; 1293 } 1294 } 1295 if (tea575x_tuner == 4) { 1296 dev_err(card->dev, "TEA575x radio not found\n"); 1297 chip->tea575x_tuner = TUNER_DISABLED; 1298 } 1299 1300 chip->tea575x_tuner |= tuner_only; 1301 } 1302 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1303 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name, 1304 sizeof(chip->tea.card)); 1305 } 1306#endif 1307 1308 *rchip = chip; 1309 return 0; 1310} 1311 1312static int snd_card_fm801_probe(struct pci_dev *pci, 1313 const struct pci_device_id *pci_id) 1314{ 1315 static int dev; 1316 struct snd_card *card; 1317 struct fm801 *chip; 1318 struct snd_opl3 *opl3; 1319 int err; 1320 1321 if (dev >= SNDRV_CARDS) 1322 return -ENODEV; 1323 if (!enable[dev]) { 1324 dev++; 1325 return -ENOENT; 1326 } 1327 1328 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1329 0, &card); 1330 if (err < 0) 1331 return err; 1332 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) { 1333 snd_card_free(card); 1334 return err; 1335 } 1336 card->private_data = chip; 1337 1338 strcpy(card->driver, "FM801"); 1339 strcpy(card->shortname, "ForteMedia FM801-"); 1340 strcat(card->shortname, chip->multichannel ? "AU" : "AS"); 1341 sprintf(card->longname, "%s at 0x%lx, irq %i", 1342 card->shortname, chip->port, chip->irq); 1343 1344 if (chip->tea575x_tuner & TUNER_ONLY) 1345 goto __fm801_tuner_only; 1346 1347 if ((err = snd_fm801_pcm(chip, 0)) < 0) { 1348 snd_card_free(card); 1349 return err; 1350 } 1351 if ((err = snd_fm801_mixer(chip)) < 0) { 1352 snd_card_free(card); 1353 return err; 1354 } 1355 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801, 1356 chip->port + FM801_MPU401_DATA, 1357 MPU401_INFO_INTEGRATED | 1358 MPU401_INFO_IRQ_HOOK, 1359 -1, &chip->rmidi)) < 0) { 1360 snd_card_free(card); 1361 return err; 1362 } 1363 if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0, 1364 chip->port + FM801_OPL3_BANK1, 1365 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) { 1366 snd_card_free(card); 1367 return err; 1368 } 1369 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { 1370 snd_card_free(card); 1371 return err; 1372 } 1373 1374 __fm801_tuner_only: 1375 if ((err = snd_card_register(card)) < 0) { 1376 snd_card_free(card); 1377 return err; 1378 } 1379 pci_set_drvdata(pci, card); 1380 dev++; 1381 return 0; 1382} 1383 1384static void snd_card_fm801_remove(struct pci_dev *pci) 1385{ 1386 snd_card_free(pci_get_drvdata(pci)); 1387} 1388 1389#ifdef CONFIG_PM_SLEEP 1390static const unsigned char saved_regs[] = { 1391 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC, 1392 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2, 1393 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2, 1394 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL, 1395}; 1396 1397static int snd_fm801_suspend(struct device *dev) 1398{ 1399 struct snd_card *card = dev_get_drvdata(dev); 1400 struct fm801 *chip = card->private_data; 1401 int i; 1402 1403 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1404 1405 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1406 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]); 1407 1408 if (chip->tea575x_tuner & TUNER_ONLY) { 1409 /* FIXME: tea575x suspend */ 1410 } else { 1411 snd_ac97_suspend(chip->ac97); 1412 snd_ac97_suspend(chip->ac97_sec); 1413 } 1414 1415 return 0; 1416} 1417 1418static int snd_fm801_resume(struct device *dev) 1419{ 1420 struct snd_card *card = dev_get_drvdata(dev); 1421 struct fm801 *chip = card->private_data; 1422 int i; 1423 1424 if (chip->tea575x_tuner & TUNER_ONLY) { 1425 snd_fm801_chip_init(chip); 1426 } else { 1427 reset_codec(chip); 1428 snd_fm801_chip_multichannel_init(chip); 1429 snd_fm801_chip_init(chip); 1430 snd_ac97_resume(chip->ac97); 1431 snd_ac97_resume(chip->ac97_sec); 1432 } 1433 1434 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1435 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]); 1436 1437#ifdef CONFIG_SND_FM801_TEA575X_BOOL 1438 if (!(chip->tea575x_tuner & TUNER_DISABLED)) 1439 snd_tea575x_set_freq(&chip->tea); 1440#endif 1441 1442 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1443 return 0; 1444} 1445 1446static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume); 1447#define SND_FM801_PM_OPS &snd_fm801_pm 1448#else 1449#define SND_FM801_PM_OPS NULL 1450#endif /* CONFIG_PM_SLEEP */ 1451 1452static struct pci_driver fm801_driver = { 1453 .name = KBUILD_MODNAME, 1454 .id_table = snd_fm801_ids, 1455 .probe = snd_card_fm801_probe, 1456 .remove = snd_card_fm801_remove, 1457 .driver = { 1458 .pm = SND_FM801_PM_OPS, 1459 }, 1460}; 1461 1462module_pci_driver(fm801_driver); 1463