1 /* 2 * The driver for the ForteMedia FM801 based soundcards 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * 5 * Support FM only card by Andy Shevchenko <andy@smile.org.ua> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 * 21 */ 22 23 #include <linux/delay.h> 24 #include <linux/init.h> 25 #include <linux/interrupt.h> 26 #include <linux/pci.h> 27 #include <linux/slab.h> 28 #include <linux/module.h> 29 #include <sound/core.h> 30 #include <sound/pcm.h> 31 #include <sound/tlv.h> 32 #include <sound/ac97_codec.h> 33 #include <sound/mpu401.h> 34 #include <sound/opl3.h> 35 #include <sound/initval.h> 36 37 #include <asm/io.h> 38 39 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 40 #include <media/tea575x.h> 41 #endif 42 43 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 44 MODULE_DESCRIPTION("ForteMedia FM801"); 45 MODULE_LICENSE("GPL"); 46 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801}," 47 "{Genius,SoundMaker Live 5.1}}"); 48 49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 51 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 52 /* 53 * Enable TEA575x tuner 54 * 1 = MediaForte 256-PCS 55 * 2 = MediaForte 256-PCP 56 * 3 = MediaForte 64-PCR 57 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card 58 * High 16-bits are video (radio) device number + 1 59 */ 60 static int tea575x_tuner[SNDRV_CARDS]; 61 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; 62 63 module_param_array(index, int, NULL, 0444); 64 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard."); 65 module_param_array(id, charp, NULL, 0444); 66 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard."); 67 module_param_array(enable, bool, NULL, 0444); 68 MODULE_PARM_DESC(enable, "Enable FM801 soundcard."); 69 module_param_array(tea575x_tuner, int, NULL, 0444); 70 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)."); 71 module_param_array(radio_nr, int, NULL, 0444); 72 MODULE_PARM_DESC(radio_nr, "Radio device numbers"); 73 74 75 #define TUNER_DISABLED (1<<3) 76 #define TUNER_ONLY (1<<4) 77 #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF) 78 79 /* 80 * Direct registers 81 */ 82 83 #define FM801_REG(chip, reg) (chip->port + FM801_##reg) 84 85 #define FM801_PCM_VOL 0x00 /* PCM Output Volume */ 86 #define FM801_FM_VOL 0x02 /* FM Output Volume */ 87 #define FM801_I2S_VOL 0x04 /* I2S Volume */ 88 #define FM801_REC_SRC 0x06 /* Record Source */ 89 #define FM801_PLY_CTRL 0x08 /* Playback Control */ 90 #define FM801_PLY_COUNT 0x0a /* Playback Count */ 91 #define FM801_PLY_BUF1 0x0c /* Playback Bufer I */ 92 #define FM801_PLY_BUF2 0x10 /* Playback Buffer II */ 93 #define FM801_CAP_CTRL 0x14 /* Capture Control */ 94 #define FM801_CAP_COUNT 0x16 /* Capture Count */ 95 #define FM801_CAP_BUF1 0x18 /* Capture Buffer I */ 96 #define FM801_CAP_BUF2 0x1c /* Capture Buffer II */ 97 #define FM801_CODEC_CTRL 0x22 /* Codec Control */ 98 #define FM801_I2S_MODE 0x24 /* I2S Mode Control */ 99 #define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */ 100 #define FM801_I2C_CTRL 0x29 /* I2C Control */ 101 #define FM801_AC97_CMD 0x2a /* AC'97 Command */ 102 #define FM801_AC97_DATA 0x2c /* AC'97 Data */ 103 #define FM801_MPU401_DATA 0x30 /* MPU401 Data */ 104 #define FM801_MPU401_CMD 0x31 /* MPU401 Command */ 105 #define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */ 106 #define FM801_GEN_CTRL 0x54 /* General Control */ 107 #define FM801_IRQ_MASK 0x56 /* Interrupt Mask */ 108 #define FM801_IRQ_STATUS 0x5a /* Interrupt Status */ 109 #define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */ 110 #define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */ 111 #define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */ 112 #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */ 113 #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */ 114 115 /* codec access */ 116 #define FM801_AC97_READ (1<<7) /* read=1, write=0 */ 117 #define FM801_AC97_VALID (1<<8) /* port valid=1 */ 118 #define FM801_AC97_BUSY (1<<9) /* busy=1 */ 119 #define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */ 120 121 /* playback and record control register bits */ 122 #define FM801_BUF1_LAST (1<<1) 123 #define FM801_BUF2_LAST (1<<2) 124 #define FM801_START (1<<5) 125 #define FM801_PAUSE (1<<6) 126 #define FM801_IMMED_STOP (1<<7) 127 #define FM801_RATE_SHIFT 8 128 #define FM801_RATE_MASK (15 << FM801_RATE_SHIFT) 129 #define FM801_CHANNELS_4 (1<<12) /* playback only */ 130 #define FM801_CHANNELS_6 (2<<12) /* playback only */ 131 #define FM801_CHANNELS_6MS (3<<12) /* playback only */ 132 #define FM801_CHANNELS_MASK (3<<12) 133 #define FM801_16BIT (1<<14) 134 #define FM801_STEREO (1<<15) 135 136 /* IRQ status bits */ 137 #define FM801_IRQ_PLAYBACK (1<<8) 138 #define FM801_IRQ_CAPTURE (1<<9) 139 #define FM801_IRQ_VOLUME (1<<14) 140 #define FM801_IRQ_MPU (1<<15) 141 142 /* GPIO control register */ 143 #define FM801_GPIO_GP0 (1<<0) /* read/write */ 144 #define FM801_GPIO_GP1 (1<<1) 145 #define FM801_GPIO_GP2 (1<<2) 146 #define FM801_GPIO_GP3 (1<<3) 147 #define FM801_GPIO_GP(x) (1<<(0+(x))) 148 #define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/ 149 #define FM801_GPIO_GD1 (1<<9) 150 #define FM801_GPIO_GD2 (1<<10) 151 #define FM801_GPIO_GD3 (1<<11) 152 #define FM801_GPIO_GD(x) (1<<(8+(x))) 153 #define FM801_GPIO_GS0 (1<<12) /* function select: */ 154 #define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */ 155 #define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */ 156 #define FM801_GPIO_GS3 (1<<15) 157 #define FM801_GPIO_GS(x) (1<<(12+(x))) 158 159 /* 160 161 */ 162 163 struct fm801 { 164 int irq; 165 166 unsigned long port; /* I/O port number */ 167 unsigned int multichannel: 1, /* multichannel support */ 168 secondary: 1; /* secondary codec */ 169 unsigned char secondary_addr; /* address of the secondary codec */ 170 unsigned int tea575x_tuner; /* tuner access method & flags */ 171 172 unsigned short ply_ctrl; /* playback control */ 173 unsigned short cap_ctrl; /* capture control */ 174 175 unsigned long ply_buffer; 176 unsigned int ply_buf; 177 unsigned int ply_count; 178 unsigned int ply_size; 179 unsigned int ply_pos; 180 181 unsigned long cap_buffer; 182 unsigned int cap_buf; 183 unsigned int cap_count; 184 unsigned int cap_size; 185 unsigned int cap_pos; 186 187 struct snd_ac97_bus *ac97_bus; 188 struct snd_ac97 *ac97; 189 struct snd_ac97 *ac97_sec; 190 191 struct pci_dev *pci; 192 struct snd_card *card; 193 struct snd_pcm *pcm; 194 struct snd_rawmidi *rmidi; 195 struct snd_pcm_substream *playback_substream; 196 struct snd_pcm_substream *capture_substream; 197 unsigned int p_dma_size; 198 unsigned int c_dma_size; 199 200 spinlock_t reg_lock; 201 struct snd_info_entry *proc_entry; 202 203 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 204 struct v4l2_device v4l2_dev; 205 struct snd_tea575x tea; 206 #endif 207 208 #ifdef CONFIG_PM_SLEEP 209 u16 saved_regs[0x20]; 210 #endif 211 }; 212 213 static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = { 214 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */ 215 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */ 216 { 0, } 217 }; 218 219 MODULE_DEVICE_TABLE(pci, snd_fm801_ids); 220 221 /* 222 * common I/O routines 223 */ 224 225 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg, 226 unsigned short mask, unsigned short value) 227 { 228 int change; 229 unsigned long flags; 230 unsigned short old, new; 231 232 spin_lock_irqsave(&chip->reg_lock, flags); 233 old = inw(chip->port + reg); 234 new = (old & ~mask) | value; 235 change = old != new; 236 if (change) 237 outw(new, chip->port + reg); 238 spin_unlock_irqrestore(&chip->reg_lock, flags); 239 return change; 240 } 241 242 static void snd_fm801_codec_write(struct snd_ac97 *ac97, 243 unsigned short reg, 244 unsigned short val) 245 { 246 struct fm801 *chip = ac97->private_data; 247 int idx; 248 249 /* 250 * Wait until the codec interface is not ready.. 251 */ 252 for (idx = 0; idx < 100; idx++) { 253 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY)) 254 goto ok1; 255 udelay(10); 256 } 257 snd_printk(KERN_ERR "AC'97 interface is busy (1)\n"); 258 return; 259 260 ok1: 261 /* write data and address */ 262 outw(val, FM801_REG(chip, AC97_DATA)); 263 outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD)); 264 /* 265 * Wait until the write command is not completed.. 266 */ 267 for (idx = 0; idx < 1000; idx++) { 268 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY)) 269 return; 270 udelay(10); 271 } 272 snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num); 273 } 274 275 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg) 276 { 277 struct fm801 *chip = ac97->private_data; 278 int idx; 279 280 /* 281 * Wait until the codec interface is not ready.. 282 */ 283 for (idx = 0; idx < 100; idx++) { 284 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY)) 285 goto ok1; 286 udelay(10); 287 } 288 snd_printk(KERN_ERR "AC'97 interface is busy (1)\n"); 289 return 0; 290 291 ok1: 292 /* read command */ 293 outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ, 294 FM801_REG(chip, AC97_CMD)); 295 for (idx = 0; idx < 100; idx++) { 296 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY)) 297 goto ok2; 298 udelay(10); 299 } 300 snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num); 301 return 0; 302 303 ok2: 304 for (idx = 0; idx < 1000; idx++) { 305 if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID) 306 goto ok3; 307 udelay(10); 308 } 309 snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num); 310 return 0; 311 312 ok3: 313 return inw(FM801_REG(chip, AC97_DATA)); 314 } 315 316 static unsigned int rates[] = { 317 5500, 8000, 9600, 11025, 318 16000, 19200, 22050, 32000, 319 38400, 44100, 48000 320 }; 321 322 static struct snd_pcm_hw_constraint_list hw_constraints_rates = { 323 .count = ARRAY_SIZE(rates), 324 .list = rates, 325 .mask = 0, 326 }; 327 328 static unsigned int channels[] = { 329 2, 4, 6 330 }; 331 332 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 333 .count = ARRAY_SIZE(channels), 334 .list = channels, 335 .mask = 0, 336 }; 337 338 /* 339 * Sample rate routines 340 */ 341 342 static unsigned short snd_fm801_rate_bits(unsigned int rate) 343 { 344 unsigned int idx; 345 346 for (idx = 0; idx < ARRAY_SIZE(rates); idx++) 347 if (rates[idx] == rate) 348 return idx; 349 snd_BUG(); 350 return ARRAY_SIZE(rates) - 1; 351 } 352 353 /* 354 * PCM part 355 */ 356 357 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream, 358 int cmd) 359 { 360 struct fm801 *chip = snd_pcm_substream_chip(substream); 361 362 spin_lock(&chip->reg_lock); 363 switch (cmd) { 364 case SNDRV_PCM_TRIGGER_START: 365 chip->ply_ctrl &= ~(FM801_BUF1_LAST | 366 FM801_BUF2_LAST | 367 FM801_PAUSE); 368 chip->ply_ctrl |= FM801_START | 369 FM801_IMMED_STOP; 370 break; 371 case SNDRV_PCM_TRIGGER_STOP: 372 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE); 373 break; 374 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 375 case SNDRV_PCM_TRIGGER_SUSPEND: 376 chip->ply_ctrl |= FM801_PAUSE; 377 break; 378 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 379 case SNDRV_PCM_TRIGGER_RESUME: 380 chip->ply_ctrl &= ~FM801_PAUSE; 381 break; 382 default: 383 spin_unlock(&chip->reg_lock); 384 snd_BUG(); 385 return -EINVAL; 386 } 387 outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL)); 388 spin_unlock(&chip->reg_lock); 389 return 0; 390 } 391 392 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream, 393 int cmd) 394 { 395 struct fm801 *chip = snd_pcm_substream_chip(substream); 396 397 spin_lock(&chip->reg_lock); 398 switch (cmd) { 399 case SNDRV_PCM_TRIGGER_START: 400 chip->cap_ctrl &= ~(FM801_BUF1_LAST | 401 FM801_BUF2_LAST | 402 FM801_PAUSE); 403 chip->cap_ctrl |= FM801_START | 404 FM801_IMMED_STOP; 405 break; 406 case SNDRV_PCM_TRIGGER_STOP: 407 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE); 408 break; 409 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 410 case SNDRV_PCM_TRIGGER_SUSPEND: 411 chip->cap_ctrl |= FM801_PAUSE; 412 break; 413 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 414 case SNDRV_PCM_TRIGGER_RESUME: 415 chip->cap_ctrl &= ~FM801_PAUSE; 416 break; 417 default: 418 spin_unlock(&chip->reg_lock); 419 snd_BUG(); 420 return -EINVAL; 421 } 422 outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL)); 423 spin_unlock(&chip->reg_lock); 424 return 0; 425 } 426 427 static int snd_fm801_hw_params(struct snd_pcm_substream *substream, 428 struct snd_pcm_hw_params *hw_params) 429 { 430 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 431 } 432 433 static int snd_fm801_hw_free(struct snd_pcm_substream *substream) 434 { 435 return snd_pcm_lib_free_pages(substream); 436 } 437 438 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream) 439 { 440 struct fm801 *chip = snd_pcm_substream_chip(substream); 441 struct snd_pcm_runtime *runtime = substream->runtime; 442 443 chip->ply_size = snd_pcm_lib_buffer_bytes(substream); 444 chip->ply_count = snd_pcm_lib_period_bytes(substream); 445 spin_lock_irq(&chip->reg_lock); 446 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT | 447 FM801_STEREO | FM801_RATE_MASK | 448 FM801_CHANNELS_MASK); 449 if (snd_pcm_format_width(runtime->format) == 16) 450 chip->ply_ctrl |= FM801_16BIT; 451 if (runtime->channels > 1) { 452 chip->ply_ctrl |= FM801_STEREO; 453 if (runtime->channels == 4) 454 chip->ply_ctrl |= FM801_CHANNELS_4; 455 else if (runtime->channels == 6) 456 chip->ply_ctrl |= FM801_CHANNELS_6; 457 } 458 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 459 chip->ply_buf = 0; 460 outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL)); 461 outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT)); 462 chip->ply_buffer = runtime->dma_addr; 463 chip->ply_pos = 0; 464 outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1)); 465 outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2)); 466 spin_unlock_irq(&chip->reg_lock); 467 return 0; 468 } 469 470 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream) 471 { 472 struct fm801 *chip = snd_pcm_substream_chip(substream); 473 struct snd_pcm_runtime *runtime = substream->runtime; 474 475 chip->cap_size = snd_pcm_lib_buffer_bytes(substream); 476 chip->cap_count = snd_pcm_lib_period_bytes(substream); 477 spin_lock_irq(&chip->reg_lock); 478 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT | 479 FM801_STEREO | FM801_RATE_MASK); 480 if (snd_pcm_format_width(runtime->format) == 16) 481 chip->cap_ctrl |= FM801_16BIT; 482 if (runtime->channels > 1) 483 chip->cap_ctrl |= FM801_STEREO; 484 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT; 485 chip->cap_buf = 0; 486 outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL)); 487 outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT)); 488 chip->cap_buffer = runtime->dma_addr; 489 chip->cap_pos = 0; 490 outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1)); 491 outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2)); 492 spin_unlock_irq(&chip->reg_lock); 493 return 0; 494 } 495 496 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream) 497 { 498 struct fm801 *chip = snd_pcm_substream_chip(substream); 499 size_t ptr; 500 501 if (!(chip->ply_ctrl & FM801_START)) 502 return 0; 503 spin_lock(&chip->reg_lock); 504 ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT)); 505 if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) { 506 ptr += chip->ply_count; 507 ptr %= chip->ply_size; 508 } 509 spin_unlock(&chip->reg_lock); 510 return bytes_to_frames(substream->runtime, ptr); 511 } 512 513 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream) 514 { 515 struct fm801 *chip = snd_pcm_substream_chip(substream); 516 size_t ptr; 517 518 if (!(chip->cap_ctrl & FM801_START)) 519 return 0; 520 spin_lock(&chip->reg_lock); 521 ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT)); 522 if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) { 523 ptr += chip->cap_count; 524 ptr %= chip->cap_size; 525 } 526 spin_unlock(&chip->reg_lock); 527 return bytes_to_frames(substream->runtime, ptr); 528 } 529 530 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id) 531 { 532 struct fm801 *chip = dev_id; 533 unsigned short status; 534 unsigned int tmp; 535 536 status = inw(FM801_REG(chip, IRQ_STATUS)); 537 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME; 538 if (! status) 539 return IRQ_NONE; 540 /* ack first */ 541 outw(status, FM801_REG(chip, IRQ_STATUS)); 542 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) { 543 spin_lock(&chip->reg_lock); 544 chip->ply_buf++; 545 chip->ply_pos += chip->ply_count; 546 chip->ply_pos %= chip->ply_size; 547 tmp = chip->ply_pos + chip->ply_count; 548 tmp %= chip->ply_size; 549 outl(chip->ply_buffer + tmp, 550 (chip->ply_buf & 1) ? 551 FM801_REG(chip, PLY_BUF1) : 552 FM801_REG(chip, PLY_BUF2)); 553 spin_unlock(&chip->reg_lock); 554 snd_pcm_period_elapsed(chip->playback_substream); 555 } 556 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) { 557 spin_lock(&chip->reg_lock); 558 chip->cap_buf++; 559 chip->cap_pos += chip->cap_count; 560 chip->cap_pos %= chip->cap_size; 561 tmp = chip->cap_pos + chip->cap_count; 562 tmp %= chip->cap_size; 563 outl(chip->cap_buffer + tmp, 564 (chip->cap_buf & 1) ? 565 FM801_REG(chip, CAP_BUF1) : 566 FM801_REG(chip, CAP_BUF2)); 567 spin_unlock(&chip->reg_lock); 568 snd_pcm_period_elapsed(chip->capture_substream); 569 } 570 if (chip->rmidi && (status & FM801_IRQ_MPU)) 571 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 572 if (status & FM801_IRQ_VOLUME) 573 ;/* TODO */ 574 575 return IRQ_HANDLED; 576 } 577 578 static struct snd_pcm_hardware snd_fm801_playback = 579 { 580 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 581 SNDRV_PCM_INFO_BLOCK_TRANSFER | 582 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 583 SNDRV_PCM_INFO_MMAP_VALID), 584 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 585 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 586 .rate_min = 5500, 587 .rate_max = 48000, 588 .channels_min = 1, 589 .channels_max = 2, 590 .buffer_bytes_max = (128*1024), 591 .period_bytes_min = 64, 592 .period_bytes_max = (128*1024), 593 .periods_min = 1, 594 .periods_max = 1024, 595 .fifo_size = 0, 596 }; 597 598 static struct snd_pcm_hardware snd_fm801_capture = 599 { 600 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 601 SNDRV_PCM_INFO_BLOCK_TRANSFER | 602 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | 603 SNDRV_PCM_INFO_MMAP_VALID), 604 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 605 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 606 .rate_min = 5500, 607 .rate_max = 48000, 608 .channels_min = 1, 609 .channels_max = 2, 610 .buffer_bytes_max = (128*1024), 611 .period_bytes_min = 64, 612 .period_bytes_max = (128*1024), 613 .periods_min = 1, 614 .periods_max = 1024, 615 .fifo_size = 0, 616 }; 617 618 static int snd_fm801_playback_open(struct snd_pcm_substream *substream) 619 { 620 struct fm801 *chip = snd_pcm_substream_chip(substream); 621 struct snd_pcm_runtime *runtime = substream->runtime; 622 int err; 623 624 chip->playback_substream = substream; 625 runtime->hw = snd_fm801_playback; 626 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 627 &hw_constraints_rates); 628 if (chip->multichannel) { 629 runtime->hw.channels_max = 6; 630 snd_pcm_hw_constraint_list(runtime, 0, 631 SNDRV_PCM_HW_PARAM_CHANNELS, 632 &hw_constraints_channels); 633 } 634 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 635 return err; 636 return 0; 637 } 638 639 static int snd_fm801_capture_open(struct snd_pcm_substream *substream) 640 { 641 struct fm801 *chip = snd_pcm_substream_chip(substream); 642 struct snd_pcm_runtime *runtime = substream->runtime; 643 int err; 644 645 chip->capture_substream = substream; 646 runtime->hw = snd_fm801_capture; 647 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 648 &hw_constraints_rates); 649 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 650 return err; 651 return 0; 652 } 653 654 static int snd_fm801_playback_close(struct snd_pcm_substream *substream) 655 { 656 struct fm801 *chip = snd_pcm_substream_chip(substream); 657 658 chip->playback_substream = NULL; 659 return 0; 660 } 661 662 static int snd_fm801_capture_close(struct snd_pcm_substream *substream) 663 { 664 struct fm801 *chip = snd_pcm_substream_chip(substream); 665 666 chip->capture_substream = NULL; 667 return 0; 668 } 669 670 static struct snd_pcm_ops snd_fm801_playback_ops = { 671 .open = snd_fm801_playback_open, 672 .close = snd_fm801_playback_close, 673 .ioctl = snd_pcm_lib_ioctl, 674 .hw_params = snd_fm801_hw_params, 675 .hw_free = snd_fm801_hw_free, 676 .prepare = snd_fm801_playback_prepare, 677 .trigger = snd_fm801_playback_trigger, 678 .pointer = snd_fm801_playback_pointer, 679 }; 680 681 static struct snd_pcm_ops snd_fm801_capture_ops = { 682 .open = snd_fm801_capture_open, 683 .close = snd_fm801_capture_close, 684 .ioctl = snd_pcm_lib_ioctl, 685 .hw_params = snd_fm801_hw_params, 686 .hw_free = snd_fm801_hw_free, 687 .prepare = snd_fm801_capture_prepare, 688 .trigger = snd_fm801_capture_trigger, 689 .pointer = snd_fm801_capture_pointer, 690 }; 691 692 static int snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm **rpcm) 693 { 694 struct snd_pcm *pcm; 695 int err; 696 697 if (rpcm) 698 *rpcm = NULL; 699 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0) 700 return err; 701 702 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops); 703 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops); 704 705 pcm->private_data = chip; 706 pcm->info_flags = 0; 707 strcpy(pcm->name, "FM801"); 708 chip->pcm = pcm; 709 710 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 711 snd_dma_pci_data(chip->pci), 712 chip->multichannel ? 128*1024 : 64*1024, 128*1024); 713 714 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 715 snd_pcm_alt_chmaps, 716 chip->multichannel ? 6 : 2, 0, 717 NULL); 718 if (err < 0) 719 return err; 720 721 if (rpcm) 722 *rpcm = pcm; 723 return 0; 724 } 725 726 /* 727 * TEA5757 radio 728 */ 729 730 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 731 732 /* GPIO to TEA575x maps */ 733 struct snd_fm801_tea575x_gpio { 734 u8 data, clk, wren, most; 735 char *name; 736 }; 737 738 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = { 739 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" }, 740 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" }, 741 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" }, 742 }; 743 744 #define get_tea575x_gpio(chip) \ 745 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1]) 746 747 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins) 748 { 749 struct fm801 *chip = tea->private_data; 750 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL)); 751 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 752 753 reg &= ~(FM801_GPIO_GP(gpio.data) | 754 FM801_GPIO_GP(gpio.clk) | 755 FM801_GPIO_GP(gpio.wren)); 756 757 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0; 758 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0; 759 /* WRITE_ENABLE is inverted */ 760 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren); 761 762 outw(reg, FM801_REG(chip, GPIO_CTRL)); 763 } 764 765 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea) 766 { 767 struct fm801 *chip = tea->private_data; 768 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL)); 769 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 770 u8 ret; 771 772 ret = 0; 773 if (reg & FM801_GPIO_GP(gpio.data)) 774 ret |= TEA575X_DATA; 775 if (reg & FM801_GPIO_GP(gpio.most)) 776 ret |= TEA575X_MOST; 777 return ret; 778 } 779 780 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output) 781 { 782 struct fm801 *chip = tea->private_data; 783 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL)); 784 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); 785 786 /* use GPIO lines and set write enable bit */ 787 reg |= FM801_GPIO_GS(gpio.data) | 788 FM801_GPIO_GS(gpio.wren) | 789 FM801_GPIO_GS(gpio.clk) | 790 FM801_GPIO_GS(gpio.most); 791 if (output) { 792 /* all of lines are in the write direction */ 793 /* clear data and clock lines */ 794 reg &= ~(FM801_GPIO_GD(gpio.data) | 795 FM801_GPIO_GD(gpio.wren) | 796 FM801_GPIO_GD(gpio.clk) | 797 FM801_GPIO_GP(gpio.data) | 798 FM801_GPIO_GP(gpio.clk) | 799 FM801_GPIO_GP(gpio.wren)); 800 } else { 801 /* use GPIO lines, set data direction to input */ 802 reg |= FM801_GPIO_GD(gpio.data) | 803 FM801_GPIO_GD(gpio.most) | 804 FM801_GPIO_GP(gpio.data) | 805 FM801_GPIO_GP(gpio.most) | 806 FM801_GPIO_GP(gpio.wren); 807 /* all of lines are in the write direction, except data */ 808 /* clear data, write enable and clock lines */ 809 reg &= ~(FM801_GPIO_GD(gpio.wren) | 810 FM801_GPIO_GD(gpio.clk) | 811 FM801_GPIO_GP(gpio.clk)); 812 } 813 814 outw(reg, FM801_REG(chip, GPIO_CTRL)); 815 } 816 817 static struct snd_tea575x_ops snd_fm801_tea_ops = { 818 .set_pins = snd_fm801_tea575x_set_pins, 819 .get_pins = snd_fm801_tea575x_get_pins, 820 .set_direction = snd_fm801_tea575x_set_direction, 821 }; 822 #endif 823 824 /* 825 * Mixer routines 826 */ 827 828 #define FM801_SINGLE(xname, reg, shift, mask, invert) \ 829 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \ 830 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \ 831 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 832 833 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol, 834 struct snd_ctl_elem_info *uinfo) 835 { 836 int mask = (kcontrol->private_value >> 16) & 0xff; 837 838 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 839 uinfo->count = 1; 840 uinfo->value.integer.min = 0; 841 uinfo->value.integer.max = mask; 842 return 0; 843 } 844 845 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol, 846 struct snd_ctl_elem_value *ucontrol) 847 { 848 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 849 int reg = kcontrol->private_value & 0xff; 850 int shift = (kcontrol->private_value >> 8) & 0xff; 851 int mask = (kcontrol->private_value >> 16) & 0xff; 852 int invert = (kcontrol->private_value >> 24) & 0xff; 853 854 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask; 855 if (invert) 856 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 857 return 0; 858 } 859 860 static int snd_fm801_put_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 unsigned short val; 869 870 val = (ucontrol->value.integer.value[0] & mask); 871 if (invert) 872 val = mask - val; 873 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift); 874 } 875 876 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ 877 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \ 878 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \ 879 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) } 880 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ 881 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 882 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 883 .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 .tlv = { .p = (xtlv) } } 887 888 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol, 889 struct snd_ctl_elem_info *uinfo) 890 { 891 int mask = (kcontrol->private_value >> 16) & 0xff; 892 893 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 894 uinfo->count = 2; 895 uinfo->value.integer.min = 0; 896 uinfo->value.integer.max = mask; 897 return 0; 898 } 899 900 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol, 901 struct snd_ctl_elem_value *ucontrol) 902 { 903 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 904 int reg = kcontrol->private_value & 0xff; 905 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 906 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 907 int mask = (kcontrol->private_value >> 16) & 0xff; 908 int invert = (kcontrol->private_value >> 24) & 0xff; 909 910 spin_lock_irq(&chip->reg_lock); 911 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask; 912 ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask; 913 spin_unlock_irq(&chip->reg_lock); 914 if (invert) { 915 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 916 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 917 } 918 return 0; 919 } 920 921 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol, 922 struct snd_ctl_elem_value *ucontrol) 923 { 924 struct fm801 *chip = snd_kcontrol_chip(kcontrol); 925 int reg = kcontrol->private_value & 0xff; 926 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 927 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 928 int mask = (kcontrol->private_value >> 16) & 0xff; 929 int invert = (kcontrol->private_value >> 24) & 0xff; 930 unsigned short val1, val2; 931 932 val1 = ucontrol->value.integer.value[0] & mask; 933 val2 = ucontrol->value.integer.value[1] & mask; 934 if (invert) { 935 val1 = mask - val1; 936 val2 = mask - val2; 937 } 938 return snd_fm801_update_bits(chip, reg, 939 (mask << shift_left) | (mask << shift_right), 940 (val1 << shift_left ) | (val2 << shift_right)); 941 } 942 943 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol, 944 struct snd_ctl_elem_info *uinfo) 945 { 946 static char *texts[5] = { 947 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary" 948 }; 949 950 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 951 uinfo->count = 1; 952 uinfo->value.enumerated.items = 5; 953 if (uinfo->value.enumerated.item > 4) 954 uinfo->value.enumerated.item = 4; 955 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 956 return 0; 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 = inw(FM801_REG(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 if ((val = ucontrol->value.enumerated.item[0]) > 4) 979 return -EINVAL; 980 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val); 981 } 982 983 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0); 984 985 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls) 986 987 static struct snd_kcontrol_new snd_fm801_controls[] = { 988 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1, 989 db_scale_dsp), 990 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1), 991 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1, 992 db_scale_dsp), 993 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1), 994 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1, 995 db_scale_dsp), 996 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1), 997 { 998 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 999 .name = "Digital Capture Source", 1000 .info = snd_fm801_info_mux, 1001 .get = snd_fm801_get_mux, 1002 .put = snd_fm801_put_mux, 1003 } 1004 }; 1005 1006 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi) 1007 1008 static struct snd_kcontrol_new snd_fm801_controls_multi[] = { 1009 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0), 1010 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0), 1011 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0), 1012 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0), 1013 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0), 1014 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0), 1015 }; 1016 1017 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1018 { 1019 struct fm801 *chip = bus->private_data; 1020 chip->ac97_bus = NULL; 1021 } 1022 1023 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97) 1024 { 1025 struct fm801 *chip = ac97->private_data; 1026 if (ac97->num == 0) { 1027 chip->ac97 = NULL; 1028 } else { 1029 chip->ac97_sec = NULL; 1030 } 1031 } 1032 1033 static int snd_fm801_mixer(struct fm801 *chip) 1034 { 1035 struct snd_ac97_template ac97; 1036 unsigned int i; 1037 int err; 1038 static struct snd_ac97_bus_ops ops = { 1039 .write = snd_fm801_codec_write, 1040 .read = snd_fm801_codec_read, 1041 }; 1042 1043 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1044 return err; 1045 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus; 1046 1047 memset(&ac97, 0, sizeof(ac97)); 1048 ac97.private_data = chip; 1049 ac97.private_free = snd_fm801_mixer_free_ac97; 1050 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1051 return err; 1052 if (chip->secondary) { 1053 ac97.num = 1; 1054 ac97.addr = chip->secondary_addr; 1055 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0) 1056 return err; 1057 } 1058 for (i = 0; i < FM801_CONTROLS; i++) 1059 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip)); 1060 if (chip->multichannel) { 1061 for (i = 0; i < FM801_CONTROLS_MULTI; i++) 1062 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip)); 1063 } 1064 return 0; 1065 } 1066 1067 /* 1068 * initialization routines 1069 */ 1070 1071 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id, 1072 unsigned short reg, unsigned long waits) 1073 { 1074 unsigned long timeout = jiffies + waits; 1075 1076 outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg, 1077 FM801_REG(chip, AC97_CMD)); 1078 udelay(5); 1079 do { 1080 if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY)) 1081 == FM801_AC97_VALID) 1082 return 0; 1083 schedule_timeout_uninterruptible(1); 1084 } while (time_after(timeout, jiffies)); 1085 return -EIO; 1086 } 1087 1088 static int snd_fm801_chip_init(struct fm801 *chip, int resume) 1089 { 1090 unsigned short cmdw; 1091 1092 if (chip->tea575x_tuner & TUNER_ONLY) 1093 goto __ac97_ok; 1094 1095 /* codec cold reset + AC'97 warm reset */ 1096 outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL)); 1097 inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */ 1098 udelay(100); 1099 outw(0, FM801_REG(chip, CODEC_CTRL)); 1100 1101 if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0) 1102 if (!resume) { 1103 snd_printk(KERN_INFO "Primary AC'97 codec not found, " 1104 "assume SF64-PCR (tuner-only)\n"); 1105 chip->tea575x_tuner = 3 | TUNER_ONLY; 1106 goto __ac97_ok; 1107 } 1108 1109 if (chip->multichannel) { 1110 if (chip->secondary_addr) { 1111 wait_for_codec(chip, chip->secondary_addr, 1112 AC97_VENDOR_ID1, msecs_to_jiffies(50)); 1113 } else { 1114 /* my card has the secondary codec */ 1115 /* at address #3, so the loop is inverted */ 1116 int i; 1117 for (i = 3; i > 0; i--) { 1118 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1, 1119 msecs_to_jiffies(50))) { 1120 cmdw = inw(FM801_REG(chip, AC97_DATA)); 1121 if (cmdw != 0xffff && cmdw != 0) { 1122 chip->secondary = 1; 1123 chip->secondary_addr = i; 1124 break; 1125 } 1126 } 1127 } 1128 } 1129 1130 /* the recovery phase, it seems that probing for non-existing codec might */ 1131 /* cause timeout problems */ 1132 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750)); 1133 } 1134 1135 __ac97_ok: 1136 1137 /* init volume */ 1138 outw(0x0808, FM801_REG(chip, PCM_VOL)); 1139 outw(0x9f1f, FM801_REG(chip, FM_VOL)); 1140 outw(0x8808, FM801_REG(chip, I2S_VOL)); 1141 1142 /* I2S control - I2S mode */ 1143 outw(0x0003, FM801_REG(chip, I2S_MODE)); 1144 1145 /* interrupt setup */ 1146 cmdw = inw(FM801_REG(chip, IRQ_MASK)); 1147 if (chip->irq < 0) 1148 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */ 1149 else 1150 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */ 1151 outw(cmdw, FM801_REG(chip, IRQ_MASK)); 1152 1153 /* interrupt clear */ 1154 outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS)); 1155 1156 return 0; 1157 } 1158 1159 1160 static int snd_fm801_free(struct fm801 *chip) 1161 { 1162 unsigned short cmdw; 1163 1164 if (chip->irq < 0) 1165 goto __end_hw; 1166 1167 /* interrupt setup - mask everything */ 1168 cmdw = inw(FM801_REG(chip, IRQ_MASK)); 1169 cmdw |= 0x00c3; 1170 outw(cmdw, FM801_REG(chip, IRQ_MASK)); 1171 1172 __end_hw: 1173 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1174 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1175 snd_tea575x_exit(&chip->tea); 1176 v4l2_device_unregister(&chip->v4l2_dev); 1177 } 1178 #endif 1179 if (chip->irq >= 0) 1180 free_irq(chip->irq, chip); 1181 pci_release_regions(chip->pci); 1182 pci_disable_device(chip->pci); 1183 1184 kfree(chip); 1185 return 0; 1186 } 1187 1188 static int snd_fm801_dev_free(struct snd_device *device) 1189 { 1190 struct fm801 *chip = device->device_data; 1191 return snd_fm801_free(chip); 1192 } 1193 1194 static int snd_fm801_create(struct snd_card *card, 1195 struct pci_dev *pci, 1196 int tea575x_tuner, 1197 int radio_nr, 1198 struct fm801 **rchip) 1199 { 1200 struct fm801 *chip; 1201 int err; 1202 static struct snd_device_ops ops = { 1203 .dev_free = snd_fm801_dev_free, 1204 }; 1205 1206 *rchip = NULL; 1207 if ((err = pci_enable_device(pci)) < 0) 1208 return err; 1209 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1210 if (chip == NULL) { 1211 pci_disable_device(pci); 1212 return -ENOMEM; 1213 } 1214 spin_lock_init(&chip->reg_lock); 1215 chip->card = card; 1216 chip->pci = pci; 1217 chip->irq = -1; 1218 chip->tea575x_tuner = tea575x_tuner; 1219 if ((err = pci_request_regions(pci, "FM801")) < 0) { 1220 kfree(chip); 1221 pci_disable_device(pci); 1222 return err; 1223 } 1224 chip->port = pci_resource_start(pci, 0); 1225 if ((tea575x_tuner & TUNER_ONLY) == 0) { 1226 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED, 1227 KBUILD_MODNAME, chip)) { 1228 snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq); 1229 snd_fm801_free(chip); 1230 return -EBUSY; 1231 } 1232 chip->irq = pci->irq; 1233 pci_set_master(pci); 1234 } 1235 1236 if (pci->revision >= 0xb1) /* FM801-AU */ 1237 chip->multichannel = 1; 1238 1239 snd_fm801_chip_init(chip, 0); 1240 /* init might set tuner access method */ 1241 tea575x_tuner = chip->tea575x_tuner; 1242 1243 if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) { 1244 pci_clear_master(pci); 1245 free_irq(chip->irq, chip); 1246 chip->irq = -1; 1247 } 1248 1249 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1250 snd_fm801_free(chip); 1251 return err; 1252 } 1253 1254 snd_card_set_dev(card, &pci->dev); 1255 1256 #ifdef CONFIG_SND_FM801_TEA575X_BOOL 1257 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev); 1258 if (err < 0) { 1259 snd_fm801_free(chip); 1260 return err; 1261 } 1262 chip->tea.v4l2_dev = &chip->v4l2_dev; 1263 chip->tea.radio_nr = radio_nr; 1264 chip->tea.private_data = chip; 1265 chip->tea.ops = &snd_fm801_tea_ops; 1266 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci)); 1267 if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 && 1268 (tea575x_tuner & TUNER_TYPE_MASK) < 4) { 1269 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1270 snd_printk(KERN_ERR "TEA575x radio not found\n"); 1271 snd_fm801_free(chip); 1272 return -ENODEV; 1273 } 1274 } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) { 1275 /* autodetect tuner connection */ 1276 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) { 1277 chip->tea575x_tuner = tea575x_tuner; 1278 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) { 1279 snd_printk(KERN_INFO "detected TEA575x radio type %s\n", 1280 get_tea575x_gpio(chip)->name); 1281 break; 1282 } 1283 } 1284 if (tea575x_tuner == 4) { 1285 snd_printk(KERN_ERR "TEA575x radio not found\n"); 1286 chip->tea575x_tuner = TUNER_DISABLED; 1287 } 1288 } 1289 if (!(chip->tea575x_tuner & TUNER_DISABLED)) { 1290 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name, 1291 sizeof(chip->tea.card)); 1292 } 1293 #endif 1294 1295 *rchip = chip; 1296 return 0; 1297 } 1298 1299 static int snd_card_fm801_probe(struct pci_dev *pci, 1300 const struct pci_device_id *pci_id) 1301 { 1302 static int dev; 1303 struct snd_card *card; 1304 struct fm801 *chip; 1305 struct snd_opl3 *opl3; 1306 int err; 1307 1308 if (dev >= SNDRV_CARDS) 1309 return -ENODEV; 1310 if (!enable[dev]) { 1311 dev++; 1312 return -ENOENT; 1313 } 1314 1315 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); 1316 if (err < 0) 1317 return err; 1318 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) { 1319 snd_card_free(card); 1320 return err; 1321 } 1322 card->private_data = chip; 1323 1324 strcpy(card->driver, "FM801"); 1325 strcpy(card->shortname, "ForteMedia FM801-"); 1326 strcat(card->shortname, chip->multichannel ? "AU" : "AS"); 1327 sprintf(card->longname, "%s at 0x%lx, irq %i", 1328 card->shortname, chip->port, chip->irq); 1329 1330 if (chip->tea575x_tuner & TUNER_ONLY) 1331 goto __fm801_tuner_only; 1332 1333 if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) { 1334 snd_card_free(card); 1335 return err; 1336 } 1337 if ((err = snd_fm801_mixer(chip)) < 0) { 1338 snd_card_free(card); 1339 return err; 1340 } 1341 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801, 1342 FM801_REG(chip, MPU401_DATA), 1343 MPU401_INFO_INTEGRATED | 1344 MPU401_INFO_IRQ_HOOK, 1345 -1, &chip->rmidi)) < 0) { 1346 snd_card_free(card); 1347 return err; 1348 } 1349 if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0), 1350 FM801_REG(chip, OPL3_BANK1), 1351 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) { 1352 snd_card_free(card); 1353 return err; 1354 } 1355 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { 1356 snd_card_free(card); 1357 return err; 1358 } 1359 1360 __fm801_tuner_only: 1361 if ((err = snd_card_register(card)) < 0) { 1362 snd_card_free(card); 1363 return err; 1364 } 1365 pci_set_drvdata(pci, card); 1366 dev++; 1367 return 0; 1368 } 1369 1370 static void snd_card_fm801_remove(struct pci_dev *pci) 1371 { 1372 snd_card_free(pci_get_drvdata(pci)); 1373 } 1374 1375 #ifdef CONFIG_PM_SLEEP 1376 static unsigned char saved_regs[] = { 1377 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC, 1378 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2, 1379 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2, 1380 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL, 1381 }; 1382 1383 static int snd_fm801_suspend(struct device *dev) 1384 { 1385 struct pci_dev *pci = to_pci_dev(dev); 1386 struct snd_card *card = dev_get_drvdata(dev); 1387 struct fm801 *chip = card->private_data; 1388 int i; 1389 1390 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1391 snd_pcm_suspend_all(chip->pcm); 1392 snd_ac97_suspend(chip->ac97); 1393 snd_ac97_suspend(chip->ac97_sec); 1394 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1395 chip->saved_regs[i] = inw(chip->port + saved_regs[i]); 1396 /* FIXME: tea575x suspend */ 1397 1398 pci_disable_device(pci); 1399 pci_save_state(pci); 1400 pci_set_power_state(pci, PCI_D3hot); 1401 return 0; 1402 } 1403 1404 static int snd_fm801_resume(struct device *dev) 1405 { 1406 struct pci_dev *pci = to_pci_dev(dev); 1407 struct snd_card *card = dev_get_drvdata(dev); 1408 struct fm801 *chip = card->private_data; 1409 int i; 1410 1411 pci_set_power_state(pci, PCI_D0); 1412 pci_restore_state(pci); 1413 if (pci_enable_device(pci) < 0) { 1414 printk(KERN_ERR "fm801: pci_enable_device failed, " 1415 "disabling device\n"); 1416 snd_card_disconnect(card); 1417 return -EIO; 1418 } 1419 pci_set_master(pci); 1420 1421 snd_fm801_chip_init(chip, 1); 1422 snd_ac97_resume(chip->ac97); 1423 snd_ac97_resume(chip->ac97_sec); 1424 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 1425 outw(chip->saved_regs[i], chip->port + saved_regs[i]); 1426 1427 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1428 return 0; 1429 } 1430 1431 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume); 1432 #define SND_FM801_PM_OPS &snd_fm801_pm 1433 #else 1434 #define SND_FM801_PM_OPS NULL 1435 #endif /* CONFIG_PM_SLEEP */ 1436 1437 static struct pci_driver fm801_driver = { 1438 .name = KBUILD_MODNAME, 1439 .id_table = snd_fm801_ids, 1440 .probe = snd_card_fm801_probe, 1441 .remove = snd_card_fm801_remove, 1442 .driver = { 1443 .pm = SND_FM801_PM_OPS, 1444 }, 1445 }; 1446 1447 module_pci_driver(fm801_driver); 1448