1 /* 2 * C-Media CMI8788 driver for C-Media's reference design and similar models 3 * 4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de> 5 * 6 * 7 * This driver is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License, version 2. 9 * 10 * This driver is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this driver; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 */ 19 20 /* 21 * CMI8788: 22 * 23 * SPI 0 -> 1st AK4396 (front) 24 * SPI 1 -> 2nd AK4396 (surround) 25 * SPI 2 -> 3rd AK4396 (center/LFE) 26 * SPI 3 -> WM8785 27 * SPI 4 -> 4th AK4396 (back) 28 * 29 * GPIO 0 -> DFS0 of AK5385 30 * GPIO 1 -> DFS1 of AK5385 31 * GPIO 8 -> enable headphone amplifier on HT-Omega models 32 * 33 * CM9780: 34 * 35 * GPO 0 -> route line-in (0) or AC97 output (1) to ADC input 36 */ 37 38 #include <linux/delay.h> 39 #include <linux/mutex.h> 40 #include <linux/pci.h> 41 #include <sound/ac97_codec.h> 42 #include <sound/control.h> 43 #include <sound/core.h> 44 #include <sound/initval.h> 45 #include <sound/pcm.h> 46 #include <sound/pcm_params.h> 47 #include <sound/tlv.h> 48 #include "oxygen.h" 49 #include "ak4396.h" 50 #include "wm8785.h" 51 52 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); 53 MODULE_DESCRIPTION("C-Media CMI8788 driver"); 54 MODULE_LICENSE("GPL v2"); 55 MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}"); 56 57 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 58 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 59 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 60 61 module_param_array(index, int, NULL, 0444); 62 MODULE_PARM_DESC(index, "card index"); 63 module_param_array(id, charp, NULL, 0444); 64 MODULE_PARM_DESC(id, "ID string"); 65 module_param_array(enable, bool, NULL, 0444); 66 MODULE_PARM_DESC(enable, "enable card"); 67 68 enum { 69 MODEL_CMEDIA_REF, 70 MODEL_MERIDIAN, 71 MODEL_CLARO, 72 MODEL_CLARO_HALO, 73 MODEL_HIFIER, 74 MODEL_HG2PCI, 75 }; 76 77 static DEFINE_PCI_DEVICE_TABLE(oxygen_ids) = { 78 /* C-Media's reference design */ 79 { OXYGEN_PCI_SUBID(0x10b0, 0x0216), .driver_data = MODEL_CMEDIA_REF }, 80 { OXYGEN_PCI_SUBID(0x10b0, 0x0218), .driver_data = MODEL_CMEDIA_REF }, 81 { OXYGEN_PCI_SUBID(0x10b0, 0x0219), .driver_data = MODEL_CMEDIA_REF }, 82 { OXYGEN_PCI_SUBID(0x13f6, 0x0001), .driver_data = MODEL_CMEDIA_REF }, 83 { OXYGEN_PCI_SUBID(0x13f6, 0x0010), .driver_data = MODEL_CMEDIA_REF }, 84 { OXYGEN_PCI_SUBID(0x13f6, 0x8788), .driver_data = MODEL_CMEDIA_REF }, 85 { OXYGEN_PCI_SUBID(0x147a, 0xa017), .driver_data = MODEL_CMEDIA_REF }, 86 { OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF }, 87 /* Kuroutoshikou CMI8787-HG2PCI */ 88 { OXYGEN_PCI_SUBID(0x13f6, 0xffff), .driver_data = MODEL_HG2PCI }, 89 /* TempoTec HiFier Fantasia */ 90 { OXYGEN_PCI_SUBID(0x14c3, 0x1710), .driver_data = MODEL_HIFIER }, 91 { OXYGEN_PCI_SUBID(0x14c3, 0x1711), .driver_data = MODEL_HIFIER }, 92 /* AuzenTech X-Meridian */ 93 { OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = MODEL_MERIDIAN }, 94 /* HT-Omega Claro */ 95 { OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data = MODEL_CLARO }, 96 /* HT-Omega Claro halo */ 97 { OXYGEN_PCI_SUBID(0x7284, 0x9781), .driver_data = MODEL_CLARO_HALO }, 98 { } 99 }; 100 MODULE_DEVICE_TABLE(pci, oxygen_ids); 101 102 103 #define GPIO_AK5385_DFS_MASK 0x0003 104 #define GPIO_AK5385_DFS_NORMAL 0x0000 105 #define GPIO_AK5385_DFS_DOUBLE 0x0001 106 #define GPIO_AK5385_DFS_QUAD 0x0002 107 108 #define GPIO_CLARO_HP 0x0100 109 110 struct generic_data { 111 unsigned int dacs; 112 u8 ak4396_regs[4][5]; 113 u16 wm8785_regs[3]; 114 }; 115 116 static void ak4396_write(struct oxygen *chip, unsigned int codec, 117 u8 reg, u8 value) 118 { 119 /* maps ALSA channel pair number to SPI output */ 120 static const u8 codec_spi_map[4] = { 121 0, 1, 2, 4 122 }; 123 struct generic_data *data = chip->model_data; 124 125 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER | 126 OXYGEN_SPI_DATA_LENGTH_2 | 127 OXYGEN_SPI_CLOCK_160 | 128 (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) | 129 OXYGEN_SPI_CEN_LATCH_CLOCK_HI, 130 AK4396_WRITE | (reg << 8) | value); 131 data->ak4396_regs[codec][reg] = value; 132 } 133 134 static void ak4396_write_cached(struct oxygen *chip, unsigned int codec, 135 u8 reg, u8 value) 136 { 137 struct generic_data *data = chip->model_data; 138 139 if (value != data->ak4396_regs[codec][reg]) 140 ak4396_write(chip, codec, reg, value); 141 } 142 143 static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value) 144 { 145 struct generic_data *data = chip->model_data; 146 147 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER | 148 OXYGEN_SPI_DATA_LENGTH_2 | 149 OXYGEN_SPI_CLOCK_160 | 150 (3 << OXYGEN_SPI_CODEC_SHIFT) | 151 OXYGEN_SPI_CEN_LATCH_CLOCK_LO, 152 (reg << 9) | value); 153 if (reg < ARRAY_SIZE(data->wm8785_regs)) 154 data->wm8785_regs[reg] = value; 155 } 156 157 static void ak4396_registers_init(struct oxygen *chip) 158 { 159 struct generic_data *data = chip->model_data; 160 unsigned int i; 161 162 for (i = 0; i < data->dacs; ++i) { 163 ak4396_write(chip, i, AK4396_CONTROL_1, 164 AK4396_DIF_24_MSB | AK4396_RSTN); 165 ak4396_write(chip, i, AK4396_CONTROL_2, 166 data->ak4396_regs[0][AK4396_CONTROL_2]); 167 ak4396_write(chip, i, AK4396_CONTROL_3, 168 AK4396_PCM); 169 ak4396_write(chip, i, AK4396_LCH_ATT, 170 chip->dac_volume[i * 2]); 171 ak4396_write(chip, i, AK4396_RCH_ATT, 172 chip->dac_volume[i * 2 + 1]); 173 } 174 } 175 176 static void ak4396_init(struct oxygen *chip) 177 { 178 struct generic_data *data = chip->model_data; 179 180 data->dacs = chip->model.dac_channels / 2; 181 data->ak4396_regs[0][AK4396_CONTROL_2] = 182 AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL; 183 ak4396_registers_init(chip); 184 snd_component_add(chip->card, "AK4396"); 185 } 186 187 static void ak5385_init(struct oxygen *chip) 188 { 189 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK); 190 oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK); 191 snd_component_add(chip->card, "AK5385"); 192 } 193 194 static void wm8785_registers_init(struct oxygen *chip) 195 { 196 struct generic_data *data = chip->model_data; 197 198 wm8785_write(chip, WM8785_R7, 0); 199 wm8785_write(chip, WM8785_R0, data->wm8785_regs[0]); 200 wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]); 201 } 202 203 static void wm8785_init(struct oxygen *chip) 204 { 205 struct generic_data *data = chip->model_data; 206 207 data->wm8785_regs[0] = 208 WM8785_MCR_SLAVE | WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST; 209 data->wm8785_regs[2] = WM8785_HPFR | WM8785_HPFL; 210 wm8785_registers_init(chip); 211 snd_component_add(chip->card, "WM8785"); 212 } 213 214 static void generic_init(struct oxygen *chip) 215 { 216 ak4396_init(chip); 217 wm8785_init(chip); 218 } 219 220 static void meridian_init(struct oxygen *chip) 221 { 222 ak4396_init(chip); 223 ak5385_init(chip); 224 } 225 226 static void claro_enable_hp(struct oxygen *chip) 227 { 228 msleep(300); 229 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_HP); 230 oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP); 231 } 232 233 static void claro_init(struct oxygen *chip) 234 { 235 ak4396_init(chip); 236 wm8785_init(chip); 237 claro_enable_hp(chip); 238 } 239 240 static void claro_halo_init(struct oxygen *chip) 241 { 242 ak4396_init(chip); 243 ak5385_init(chip); 244 claro_enable_hp(chip); 245 } 246 247 static void hifier_init(struct oxygen *chip) 248 { 249 ak4396_init(chip); 250 snd_component_add(chip->card, "CS5340"); 251 } 252 253 static void hg2pci_init(struct oxygen *chip) 254 { 255 ak4396_init(chip); 256 } 257 258 static void generic_cleanup(struct oxygen *chip) 259 { 260 } 261 262 static void claro_disable_hp(struct oxygen *chip) 263 { 264 oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP); 265 } 266 267 static void claro_cleanup(struct oxygen *chip) 268 { 269 claro_disable_hp(chip); 270 } 271 272 static void claro_suspend(struct oxygen *chip) 273 { 274 claro_disable_hp(chip); 275 } 276 277 static void generic_resume(struct oxygen *chip) 278 { 279 ak4396_registers_init(chip); 280 wm8785_registers_init(chip); 281 } 282 283 static void meridian_resume(struct oxygen *chip) 284 { 285 ak4396_registers_init(chip); 286 } 287 288 static void claro_resume(struct oxygen *chip) 289 { 290 ak4396_registers_init(chip); 291 claro_enable_hp(chip); 292 } 293 294 static void stereo_resume(struct oxygen *chip) 295 { 296 ak4396_registers_init(chip); 297 } 298 299 static void set_ak4396_params(struct oxygen *chip, 300 struct snd_pcm_hw_params *params) 301 { 302 struct generic_data *data = chip->model_data; 303 unsigned int i; 304 u8 value; 305 306 value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_DFS_MASK; 307 if (params_rate(params) <= 54000) 308 value |= AK4396_DFS_NORMAL; 309 else if (params_rate(params) <= 108000) 310 value |= AK4396_DFS_DOUBLE; 311 else 312 value |= AK4396_DFS_QUAD; 313 314 msleep(1); /* wait for the new MCLK to become stable */ 315 316 if (value != data->ak4396_regs[0][AK4396_CONTROL_2]) { 317 for (i = 0; i < data->dacs; ++i) { 318 ak4396_write(chip, i, AK4396_CONTROL_1, 319 AK4396_DIF_24_MSB); 320 ak4396_write(chip, i, AK4396_CONTROL_2, value); 321 ak4396_write(chip, i, AK4396_CONTROL_1, 322 AK4396_DIF_24_MSB | AK4396_RSTN); 323 } 324 } 325 } 326 327 static void update_ak4396_volume(struct oxygen *chip) 328 { 329 struct generic_data *data = chip->model_data; 330 unsigned int i; 331 332 for (i = 0; i < data->dacs; ++i) { 333 ak4396_write_cached(chip, i, AK4396_LCH_ATT, 334 chip->dac_volume[i * 2]); 335 ak4396_write_cached(chip, i, AK4396_RCH_ATT, 336 chip->dac_volume[i * 2 + 1]); 337 } 338 } 339 340 static void update_ak4396_mute(struct oxygen *chip) 341 { 342 struct generic_data *data = chip->model_data; 343 unsigned int i; 344 u8 value; 345 346 value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_SMUTE; 347 if (chip->dac_mute) 348 value |= AK4396_SMUTE; 349 for (i = 0; i < data->dacs; ++i) 350 ak4396_write_cached(chip, i, AK4396_CONTROL_2, value); 351 } 352 353 static void set_wm8785_params(struct oxygen *chip, 354 struct snd_pcm_hw_params *params) 355 { 356 struct generic_data *data = chip->model_data; 357 unsigned int value; 358 359 value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST; 360 if (params_rate(params) <= 48000) 361 value |= WM8785_OSR_SINGLE; 362 else if (params_rate(params) <= 96000) 363 value |= WM8785_OSR_DOUBLE; 364 else 365 value |= WM8785_OSR_QUAD; 366 if (value != data->wm8785_regs[0]) { 367 wm8785_write(chip, WM8785_R7, 0); 368 wm8785_write(chip, WM8785_R0, value); 369 wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]); 370 } 371 } 372 373 static void set_ak5385_params(struct oxygen *chip, 374 struct snd_pcm_hw_params *params) 375 { 376 unsigned int value; 377 378 if (params_rate(params) <= 54000) 379 value = GPIO_AK5385_DFS_NORMAL; 380 else if (params_rate(params) <= 108000) 381 value = GPIO_AK5385_DFS_DOUBLE; 382 else 383 value = GPIO_AK5385_DFS_QUAD; 384 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, 385 value, GPIO_AK5385_DFS_MASK); 386 } 387 388 static void set_no_params(struct oxygen *chip, struct snd_pcm_hw_params *params) 389 { 390 } 391 392 static int rolloff_info(struct snd_kcontrol *ctl, 393 struct snd_ctl_elem_info *info) 394 { 395 static const char *const names[2] = { 396 "Sharp Roll-off", "Slow Roll-off" 397 }; 398 399 info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 400 info->count = 1; 401 info->value.enumerated.items = 2; 402 if (info->value.enumerated.item >= 2) 403 info->value.enumerated.item = 1; 404 strcpy(info->value.enumerated.name, names[info->value.enumerated.item]); 405 return 0; 406 } 407 408 static int rolloff_get(struct snd_kcontrol *ctl, 409 struct snd_ctl_elem_value *value) 410 { 411 struct oxygen *chip = ctl->private_data; 412 struct generic_data *data = chip->model_data; 413 414 value->value.enumerated.item[0] = 415 (data->ak4396_regs[0][AK4396_CONTROL_2] & AK4396_SLOW) != 0; 416 return 0; 417 } 418 419 static int rolloff_put(struct snd_kcontrol *ctl, 420 struct snd_ctl_elem_value *value) 421 { 422 struct oxygen *chip = ctl->private_data; 423 struct generic_data *data = chip->model_data; 424 unsigned int i; 425 int changed; 426 u8 reg; 427 428 mutex_lock(&chip->mutex); 429 reg = data->ak4396_regs[0][AK4396_CONTROL_2]; 430 if (value->value.enumerated.item[0]) 431 reg |= AK4396_SLOW; 432 else 433 reg &= ~AK4396_SLOW; 434 changed = reg != data->ak4396_regs[0][AK4396_CONTROL_2]; 435 if (changed) { 436 for (i = 0; i < data->dacs; ++i) 437 ak4396_write(chip, i, AK4396_CONTROL_2, reg); 438 } 439 mutex_unlock(&chip->mutex); 440 return changed; 441 } 442 443 static const struct snd_kcontrol_new rolloff_control = { 444 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 445 .name = "DAC Filter Playback Enum", 446 .info = rolloff_info, 447 .get = rolloff_get, 448 .put = rolloff_put, 449 }; 450 451 static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info) 452 { 453 static const char *const names[2] = { 454 "None", "High-pass Filter" 455 }; 456 457 info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 458 info->count = 1; 459 info->value.enumerated.items = 2; 460 if (info->value.enumerated.item >= 2) 461 info->value.enumerated.item = 1; 462 strcpy(info->value.enumerated.name, names[info->value.enumerated.item]); 463 return 0; 464 } 465 466 static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) 467 { 468 struct oxygen *chip = ctl->private_data; 469 struct generic_data *data = chip->model_data; 470 471 value->value.enumerated.item[0] = 472 (data->wm8785_regs[WM8785_R2] & WM8785_HPFR) != 0; 473 return 0; 474 } 475 476 static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) 477 { 478 struct oxygen *chip = ctl->private_data; 479 struct generic_data *data = chip->model_data; 480 unsigned int reg; 481 int changed; 482 483 mutex_lock(&chip->mutex); 484 reg = data->wm8785_regs[WM8785_R2] & ~(WM8785_HPFR | WM8785_HPFL); 485 if (value->value.enumerated.item[0]) 486 reg |= WM8785_HPFR | WM8785_HPFL; 487 changed = reg != data->wm8785_regs[WM8785_R2]; 488 if (changed) 489 wm8785_write(chip, WM8785_R2, reg); 490 mutex_unlock(&chip->mutex); 491 return changed; 492 } 493 494 static const struct snd_kcontrol_new hpf_control = { 495 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 496 .name = "ADC Filter Capture Enum", 497 .info = hpf_info, 498 .get = hpf_get, 499 .put = hpf_put, 500 }; 501 502 static int generic_mixer_init(struct oxygen *chip) 503 { 504 return snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip)); 505 } 506 507 static int generic_wm8785_mixer_init(struct oxygen *chip) 508 { 509 int err; 510 511 err = generic_mixer_init(chip); 512 if (err < 0) 513 return err; 514 err = snd_ctl_add(chip->card, snd_ctl_new1(&hpf_control, chip)); 515 if (err < 0) 516 return err; 517 return 0; 518 } 519 520 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0); 521 522 static const struct oxygen_model model_generic = { 523 .shortname = "C-Media CMI8788", 524 .longname = "C-Media Oxygen HD Audio", 525 .chip = "CMI8788", 526 .init = generic_init, 527 .mixer_init = generic_wm8785_mixer_init, 528 .cleanup = generic_cleanup, 529 .resume = generic_resume, 530 .get_i2s_mclk = oxygen_default_i2s_mclk, 531 .set_dac_params = set_ak4396_params, 532 .set_adc_params = set_wm8785_params, 533 .update_dac_volume = update_ak4396_volume, 534 .update_dac_mute = update_ak4396_mute, 535 .dac_tlv = ak4396_db_scale, 536 .model_data_size = sizeof(struct generic_data), 537 .device_config = PLAYBACK_0_TO_I2S | 538 PLAYBACK_1_TO_SPDIF | 539 PLAYBACK_2_TO_AC97_1 | 540 CAPTURE_0_FROM_I2S_1 | 541 CAPTURE_1_FROM_SPDIF | 542 CAPTURE_2_FROM_AC97_1 | 543 AC97_CD_INPUT, 544 .dac_channels = 8, 545 .dac_volume_min = 0, 546 .dac_volume_max = 255, 547 .function_flags = OXYGEN_FUNCTION_SPI | 548 OXYGEN_FUNCTION_ENABLE_SPI_4_5, 549 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST, 550 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST, 551 }; 552 553 static int __devinit get_oxygen_model(struct oxygen *chip, 554 const struct pci_device_id *id) 555 { 556 chip->model = model_generic; 557 switch (id->driver_data) { 558 case MODEL_MERIDIAN: 559 chip->model.init = meridian_init; 560 chip->model.mixer_init = generic_mixer_init; 561 chip->model.resume = meridian_resume; 562 chip->model.set_adc_params = set_ak5385_params; 563 chip->model.device_config = PLAYBACK_0_TO_I2S | 564 PLAYBACK_1_TO_SPDIF | 565 CAPTURE_0_FROM_I2S_2 | 566 CAPTURE_1_FROM_SPDIF; 567 break; 568 case MODEL_CLARO: 569 chip->model.init = claro_init; 570 chip->model.cleanup = claro_cleanup; 571 chip->model.suspend = claro_suspend; 572 chip->model.resume = claro_resume; 573 break; 574 case MODEL_CLARO_HALO: 575 chip->model.init = claro_halo_init; 576 chip->model.mixer_init = generic_mixer_init; 577 chip->model.cleanup = claro_cleanup; 578 chip->model.suspend = claro_suspend; 579 chip->model.resume = claro_resume; 580 chip->model.set_adc_params = set_ak5385_params; 581 chip->model.device_config = PLAYBACK_0_TO_I2S | 582 PLAYBACK_1_TO_SPDIF | 583 CAPTURE_0_FROM_I2S_2 | 584 CAPTURE_1_FROM_SPDIF; 585 break; 586 case MODEL_HIFIER: 587 case MODEL_HG2PCI: 588 chip->model.shortname = "C-Media CMI8787"; 589 chip->model.chip = "CMI8787"; 590 if (id->driver_data == MODEL_HIFIER) 591 chip->model.init = hifier_init; 592 else 593 chip->model.init = hg2pci_init; 594 chip->model.resume = stereo_resume; 595 chip->model.mixer_init = generic_mixer_init; 596 chip->model.set_adc_params = set_no_params; 597 chip->model.device_config = PLAYBACK_0_TO_I2S | 598 PLAYBACK_1_TO_SPDIF; 599 if (id->driver_data == MODEL_HIFIER) 600 chip->model.device_config |= CAPTURE_0_FROM_I2S_1; 601 chip->model.dac_channels = 2; 602 break; 603 } 604 if (id->driver_data == MODEL_MERIDIAN || 605 id->driver_data == MODEL_CLARO_HALO) { 606 chip->model.misc_flags = OXYGEN_MISC_MIDI; 607 chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT; 608 } 609 return 0; 610 } 611 612 static int __devinit generic_oxygen_probe(struct pci_dev *pci, 613 const struct pci_device_id *pci_id) 614 { 615 static int dev; 616 int err; 617 618 if (dev >= SNDRV_CARDS) 619 return -ENODEV; 620 if (!enable[dev]) { 621 ++dev; 622 return -ENOENT; 623 } 624 err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE, 625 oxygen_ids, get_oxygen_model); 626 if (err >= 0) 627 ++dev; 628 return err; 629 } 630 631 static struct pci_driver oxygen_driver = { 632 .name = "CMI8788", 633 .id_table = oxygen_ids, 634 .probe = generic_oxygen_probe, 635 .remove = __devexit_p(oxygen_pci_remove), 636 #ifdef CONFIG_PM 637 .suspend = oxygen_pci_suspend, 638 .resume = oxygen_pci_resume, 639 #endif 640 }; 641 642 static int __init alsa_card_oxygen_init(void) 643 { 644 return pci_register_driver(&oxygen_driver); 645 } 646 647 static void __exit alsa_card_oxygen_exit(void) 648 { 649 pci_unregister_driver(&oxygen_driver); 650 } 651 652 module_init(alsa_card_oxygen_init) 653 module_exit(alsa_card_oxygen_exit) 654