1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * ALSA driver for ICEnsemble VT1724 (Envy24HT) 4 * 5 * Lowlevel functions for ESI Maya44 cards 6 * 7 * Copyright (c) 2009 Takashi Iwai <tiwai@suse.de> 8 * Based on the patches by Rainer Zimmermann <mail@lightshed.de> 9 */ 10 11#include <linux/init.h> 12#include <linux/slab.h> 13#include <sound/core.h> 14#include <sound/control.h> 15#include <sound/pcm.h> 16#include <sound/tlv.h> 17 18#include "ice1712.h" 19#include "envy24ht.h" 20#include "maya44.h" 21 22/* WM8776 register indexes */ 23#define WM8776_REG_HEADPHONE_L 0x00 24#define WM8776_REG_HEADPHONE_R 0x01 25#define WM8776_REG_HEADPHONE_MASTER 0x02 26#define WM8776_REG_DAC_ATTEN_L 0x03 27#define WM8776_REG_DAC_ATTEN_R 0x04 28#define WM8776_REG_DAC_ATTEN_MASTER 0x05 29#define WM8776_REG_DAC_PHASE 0x06 30#define WM8776_REG_DAC_CONTROL 0x07 31#define WM8776_REG_DAC_MUTE 0x08 32#define WM8776_REG_DAC_DEEMPH 0x09 33#define WM8776_REG_DAC_IF_CONTROL 0x0a 34#define WM8776_REG_ADC_IF_CONTROL 0x0b 35#define WM8776_REG_MASTER_MODE_CONTROL 0x0c 36#define WM8776_REG_POWERDOWN 0x0d 37#define WM8776_REG_ADC_ATTEN_L 0x0e 38#define WM8776_REG_ADC_ATTEN_R 0x0f 39#define WM8776_REG_ADC_ALC1 0x10 40#define WM8776_REG_ADC_ALC2 0x11 41#define WM8776_REG_ADC_ALC3 0x12 42#define WM8776_REG_ADC_NOISE_GATE 0x13 43#define WM8776_REG_ADC_LIMITER 0x14 44#define WM8776_REG_ADC_MUX 0x15 45#define WM8776_REG_OUTPUT_MUX 0x16 46#define WM8776_REG_RESET 0x17 47 48#define WM8776_NUM_REGS 0x18 49 50/* clock ratio identifiers for snd_wm8776_set_rate() */ 51#define WM8776_CLOCK_RATIO_128FS 0 52#define WM8776_CLOCK_RATIO_192FS 1 53#define WM8776_CLOCK_RATIO_256FS 2 54#define WM8776_CLOCK_RATIO_384FS 3 55#define WM8776_CLOCK_RATIO_512FS 4 56#define WM8776_CLOCK_RATIO_768FS 5 57 58enum { WM_VOL_HP, WM_VOL_DAC, WM_VOL_ADC, WM_NUM_VOLS }; 59enum { WM_SW_DAC, WM_SW_BYPASS, WM_NUM_SWITCHES }; 60 61struct snd_wm8776 { 62 unsigned char addr; 63 unsigned short regs[WM8776_NUM_REGS]; 64 unsigned char volumes[WM_NUM_VOLS][2]; 65 unsigned int switch_bits; 66}; 67 68struct snd_maya44 { 69 struct snd_ice1712 *ice; 70 struct snd_wm8776 wm[2]; 71 struct mutex mutex; 72}; 73 74 75/* write the given register and save the data to the cache */ 76static void wm8776_write(struct snd_ice1712 *ice, struct snd_wm8776 *wm, 77 unsigned char reg, unsigned short val) 78{ 79 /* 80 * WM8776 registers are up to 9 bits wide, bit 8 is placed in the LSB 81 * of the address field 82 */ 83 snd_vt1724_write_i2c(ice, wm->addr, 84 (reg << 1) | ((val >> 8) & 1), 85 val & 0xff); 86 wm->regs[reg] = val; 87} 88 89/* 90 * update the given register with and/or mask and save the data to the cache 91 */ 92static int wm8776_write_bits(struct snd_ice1712 *ice, struct snd_wm8776 *wm, 93 unsigned char reg, 94 unsigned short mask, unsigned short val) 95{ 96 val |= wm->regs[reg] & ~mask; 97 if (val != wm->regs[reg]) { 98 wm8776_write(ice, wm, reg, val); 99 return 1; 100 } 101 return 0; 102} 103 104 105/* 106 * WM8776 volume controls 107 */ 108 109struct maya_vol_info { 110 unsigned int maxval; /* volume range: 0..maxval */ 111 unsigned char regs[2]; /* left and right registers */ 112 unsigned short mask; /* value mask */ 113 unsigned short offset; /* zero-value offset */ 114 unsigned short mute; /* mute bit */ 115 unsigned short update; /* update bits */ 116 unsigned char mux_bits[2]; /* extra bits for ADC mute */ 117}; 118 119static const struct maya_vol_info vol_info[WM_NUM_VOLS] = { 120 [WM_VOL_HP] = { 121 .maxval = 80, 122 .regs = { WM8776_REG_HEADPHONE_L, WM8776_REG_HEADPHONE_R }, 123 .mask = 0x7f, 124 .offset = 0x30, 125 .mute = 0x00, 126 .update = 0x180, /* update and zero-cross enable */ 127 }, 128 [WM_VOL_DAC] = { 129 .maxval = 255, 130 .regs = { WM8776_REG_DAC_ATTEN_L, WM8776_REG_DAC_ATTEN_R }, 131 .mask = 0xff, 132 .offset = 0x01, 133 .mute = 0x00, 134 .update = 0x100, /* zero-cross enable */ 135 }, 136 [WM_VOL_ADC] = { 137 .maxval = 91, 138 .regs = { WM8776_REG_ADC_ATTEN_L, WM8776_REG_ADC_ATTEN_R }, 139 .mask = 0xff, 140 .offset = 0xa5, 141 .mute = 0xa5, 142 .update = 0x100, /* update */ 143 .mux_bits = { 0x80, 0x40 }, /* ADCMUX bits */ 144 }, 145}; 146 147/* 148 * dB tables 149 */ 150/* headphone output: mute, -73..+6db (1db step) */ 151static const DECLARE_TLV_DB_SCALE(db_scale_hp, -7400, 100, 1); 152/* DAC output: mute, -127..0db (0.5db step) */ 153static const DECLARE_TLV_DB_SCALE(db_scale_dac, -12750, 50, 1); 154/* ADC gain: mute, -21..+24db (0.5db step) */ 155static const DECLARE_TLV_DB_SCALE(db_scale_adc, -2100, 50, 1); 156 157static int maya_vol_info(struct snd_kcontrol *kcontrol, 158 struct snd_ctl_elem_info *uinfo) 159{ 160 unsigned int idx = kcontrol->private_value; 161 const struct maya_vol_info *vol = &vol_info[idx]; 162 163 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 164 uinfo->count = 2; 165 uinfo->value.integer.min = 0; 166 uinfo->value.integer.max = vol->maxval; 167 return 0; 168} 169 170static int maya_vol_get(struct snd_kcontrol *kcontrol, 171 struct snd_ctl_elem_value *ucontrol) 172{ 173 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 174 struct snd_wm8776 *wm = 175 &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; 176 unsigned int idx = kcontrol->private_value; 177 178 mutex_lock(&chip->mutex); 179 ucontrol->value.integer.value[0] = wm->volumes[idx][0]; 180 ucontrol->value.integer.value[1] = wm->volumes[idx][1]; 181 mutex_unlock(&chip->mutex); 182 return 0; 183} 184 185static int maya_vol_put(struct snd_kcontrol *kcontrol, 186 struct snd_ctl_elem_value *ucontrol) 187{ 188 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 189 struct snd_wm8776 *wm = 190 &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; 191 unsigned int idx = kcontrol->private_value; 192 const struct maya_vol_info *vol = &vol_info[idx]; 193 unsigned int val, data; 194 int ch, changed = 0; 195 196 mutex_lock(&chip->mutex); 197 for (ch = 0; ch < 2; ch++) { 198 val = ucontrol->value.integer.value[ch]; 199 if (val > vol->maxval) 200 val = vol->maxval; 201 if (val == wm->volumes[idx][ch]) 202 continue; 203 if (!val) 204 data = vol->mute; 205 else 206 data = (val - 1) + vol->offset; 207 data |= vol->update; 208 changed |= wm8776_write_bits(chip->ice, wm, vol->regs[ch], 209 vol->mask | vol->update, data); 210 if (vol->mux_bits[ch]) 211 wm8776_write_bits(chip->ice, wm, WM8776_REG_ADC_MUX, 212 vol->mux_bits[ch], 213 val ? 0 : vol->mux_bits[ch]); 214 wm->volumes[idx][ch] = val; 215 } 216 mutex_unlock(&chip->mutex); 217 return changed; 218} 219 220/* 221 * WM8776 switch controls 222 */ 223 224#define COMPOSE_SW_VAL(idx, reg, mask) ((idx) | ((reg) << 8) | ((mask) << 16)) 225#define GET_SW_VAL_IDX(val) ((val) & 0xff) 226#define GET_SW_VAL_REG(val) (((val) >> 8) & 0xff) 227#define GET_SW_VAL_MASK(val) (((val) >> 16) & 0xff) 228 229#define maya_sw_info snd_ctl_boolean_mono_info 230 231static int maya_sw_get(struct snd_kcontrol *kcontrol, 232 struct snd_ctl_elem_value *ucontrol) 233{ 234 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 235 struct snd_wm8776 *wm = 236 &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; 237 unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value); 238 239 ucontrol->value.integer.value[0] = (wm->switch_bits >> idx) & 1; 240 return 0; 241} 242 243static int maya_sw_put(struct snd_kcontrol *kcontrol, 244 struct snd_ctl_elem_value *ucontrol) 245{ 246 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 247 struct snd_wm8776 *wm = 248 &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; 249 unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value); 250 unsigned int mask, val; 251 int changed; 252 253 mutex_lock(&chip->mutex); 254 mask = 1 << idx; 255 wm->switch_bits &= ~mask; 256 val = ucontrol->value.integer.value[0]; 257 if (val) 258 wm->switch_bits |= mask; 259 mask = GET_SW_VAL_MASK(kcontrol->private_value); 260 changed = wm8776_write_bits(chip->ice, wm, 261 GET_SW_VAL_REG(kcontrol->private_value), 262 mask, val ? mask : 0); 263 mutex_unlock(&chip->mutex); 264 return changed; 265} 266 267/* 268 * GPIO pins (known ones for maya44) 269 */ 270#define GPIO_PHANTOM_OFF 2 271#define GPIO_MIC_RELAY 4 272#define GPIO_SPDIF_IN_INV 5 273#define GPIO_MUST_BE_0 7 274 275/* 276 * GPIO switch controls 277 */ 278 279#define COMPOSE_GPIO_VAL(shift, inv) ((shift) | ((inv) << 8)) 280#define GET_GPIO_VAL_SHIFT(val) ((val) & 0xff) 281#define GET_GPIO_VAL_INV(val) (((val) >> 8) & 1) 282 283static int maya_set_gpio_bits(struct snd_ice1712 *ice, unsigned int mask, 284 unsigned int bits) 285{ 286 unsigned int data; 287 data = snd_ice1712_gpio_read(ice); 288 if ((data & mask) == bits) 289 return 0; 290 snd_ice1712_gpio_write(ice, (data & ~mask) | bits); 291 return 1; 292} 293 294#define maya_gpio_sw_info snd_ctl_boolean_mono_info 295 296static int maya_gpio_sw_get(struct snd_kcontrol *kcontrol, 297 struct snd_ctl_elem_value *ucontrol) 298{ 299 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 300 unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value); 301 unsigned int val; 302 303 val = (snd_ice1712_gpio_read(chip->ice) >> shift) & 1; 304 if (GET_GPIO_VAL_INV(kcontrol->private_value)) 305 val = !val; 306 ucontrol->value.integer.value[0] = val; 307 return 0; 308} 309 310static int maya_gpio_sw_put(struct snd_kcontrol *kcontrol, 311 struct snd_ctl_elem_value *ucontrol) 312{ 313 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 314 unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value); 315 unsigned int val, mask; 316 int changed; 317 318 mutex_lock(&chip->mutex); 319 mask = 1 << shift; 320 val = ucontrol->value.integer.value[0]; 321 if (GET_GPIO_VAL_INV(kcontrol->private_value)) 322 val = !val; 323 val = val ? mask : 0; 324 changed = maya_set_gpio_bits(chip->ice, mask, val); 325 mutex_unlock(&chip->mutex); 326 return changed; 327} 328 329/* 330 * capture source selection 331 */ 332 333/* known working input slots (0-4) */ 334#define MAYA_LINE_IN 1 /* in-2 */ 335#define MAYA_MIC_IN 3 /* in-4 */ 336 337static void wm8776_select_input(struct snd_maya44 *chip, int idx, int line) 338{ 339 wm8776_write_bits(chip->ice, &chip->wm[idx], WM8776_REG_ADC_MUX, 340 0x1f, 1 << line); 341} 342 343static int maya_rec_src_info(struct snd_kcontrol *kcontrol, 344 struct snd_ctl_elem_info *uinfo) 345{ 346 static const char * const texts[] = { "Line", "Mic" }; 347 348 return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); 349} 350 351static int maya_rec_src_get(struct snd_kcontrol *kcontrol, 352 struct snd_ctl_elem_value *ucontrol) 353{ 354 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 355 int sel; 356 357 if (snd_ice1712_gpio_read(chip->ice) & (1 << GPIO_MIC_RELAY)) 358 sel = 1; 359 else 360 sel = 0; 361 ucontrol->value.enumerated.item[0] = sel; 362 return 0; 363} 364 365static int maya_rec_src_put(struct snd_kcontrol *kcontrol, 366 struct snd_ctl_elem_value *ucontrol) 367{ 368 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 369 int sel = ucontrol->value.enumerated.item[0]; 370 int changed; 371 372 mutex_lock(&chip->mutex); 373 changed = maya_set_gpio_bits(chip->ice, 1 << GPIO_MIC_RELAY, 374 sel ? (1 << GPIO_MIC_RELAY) : 0); 375 wm8776_select_input(chip, 0, sel ? MAYA_MIC_IN : MAYA_LINE_IN); 376 mutex_unlock(&chip->mutex); 377 return changed; 378} 379 380/* 381 * Maya44 routing switch settings have different meanings than the standard 382 * ice1724 switches as defined in snd_vt1724_pro_route_info (ice1724.c). 383 */ 384static int maya_pb_route_info(struct snd_kcontrol *kcontrol, 385 struct snd_ctl_elem_info *uinfo) 386{ 387 static const char * const texts[] = { 388 "PCM Out", /* 0 */ 389 "Input 1", "Input 2", "Input 3", "Input 4" 390 }; 391 392 return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); 393} 394 395static int maya_pb_route_shift(int idx) 396{ 397 static const unsigned char shift[10] = 398 { 8, 20, 0, 3, 11, 23, 14, 26, 17, 29 }; 399 return shift[idx % 10]; 400} 401 402static int maya_pb_route_get(struct snd_kcontrol *kcontrol, 403 struct snd_ctl_elem_value *ucontrol) 404{ 405 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 406 int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 407 ucontrol->value.enumerated.item[0] = 408 snd_ice1724_get_route_val(chip->ice, maya_pb_route_shift(idx)); 409 return 0; 410} 411 412static int maya_pb_route_put(struct snd_kcontrol *kcontrol, 413 struct snd_ctl_elem_value *ucontrol) 414{ 415 struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); 416 int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 417 return snd_ice1724_put_route_val(chip->ice, 418 ucontrol->value.enumerated.item[0], 419 maya_pb_route_shift(idx)); 420} 421 422 423/* 424 * controls to be added 425 */ 426 427static const struct snd_kcontrol_new maya_controls[] = { 428 { 429 .name = "Crossmix Playback Volume", 430 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 431 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 432 SNDRV_CTL_ELEM_ACCESS_TLV_READ, 433 .info = maya_vol_info, 434 .get = maya_vol_get, 435 .put = maya_vol_put, 436 .tlv = { .p = db_scale_hp }, 437 .private_value = WM_VOL_HP, 438 .count = 2, 439 }, 440 { 441 .name = "PCM Playback Volume", 442 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 443 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 444 SNDRV_CTL_ELEM_ACCESS_TLV_READ, 445 .info = maya_vol_info, 446 .get = maya_vol_get, 447 .put = maya_vol_put, 448 .tlv = { .p = db_scale_dac }, 449 .private_value = WM_VOL_DAC, 450 .count = 2, 451 }, 452 { 453 .name = "Line Capture Volume", 454 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 455 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 456 SNDRV_CTL_ELEM_ACCESS_TLV_READ, 457 .info = maya_vol_info, 458 .get = maya_vol_get, 459 .put = maya_vol_put, 460 .tlv = { .p = db_scale_adc }, 461 .private_value = WM_VOL_ADC, 462 .count = 2, 463 }, 464 { 465 .name = "PCM Playback Switch", 466 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 467 .info = maya_sw_info, 468 .get = maya_sw_get, 469 .put = maya_sw_put, 470 .private_value = COMPOSE_SW_VAL(WM_SW_DAC, 471 WM8776_REG_OUTPUT_MUX, 0x01), 472 .count = 2, 473 }, 474 { 475 .name = "Bypass Playback Switch", 476 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 477 .info = maya_sw_info, 478 .get = maya_sw_get, 479 .put = maya_sw_put, 480 .private_value = COMPOSE_SW_VAL(WM_SW_BYPASS, 481 WM8776_REG_OUTPUT_MUX, 0x04), 482 .count = 2, 483 }, 484 { 485 .name = "Capture Source", 486 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 487 .info = maya_rec_src_info, 488 .get = maya_rec_src_get, 489 .put = maya_rec_src_put, 490 }, 491 { 492 .name = "Mic Phantom Power Switch", 493 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 494 .info = maya_gpio_sw_info, 495 .get = maya_gpio_sw_get, 496 .put = maya_gpio_sw_put, 497 .private_value = COMPOSE_GPIO_VAL(GPIO_PHANTOM_OFF, 1), 498 }, 499 { 500 .name = "SPDIF Capture Switch", 501 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 502 .info = maya_gpio_sw_info, 503 .get = maya_gpio_sw_get, 504 .put = maya_gpio_sw_put, 505 .private_value = COMPOSE_GPIO_VAL(GPIO_SPDIF_IN_INV, 1), 506 }, 507 { 508 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 509 .name = "H/W Playback Route", 510 .info = maya_pb_route_info, 511 .get = maya_pb_route_get, 512 .put = maya_pb_route_put, 513 .count = 4, /* FIXME: do controls 5-9 have any meaning? */ 514 }, 515}; 516 517static int maya44_add_controls(struct snd_ice1712 *ice) 518{ 519 int err, i; 520 521 for (i = 0; i < ARRAY_SIZE(maya_controls); i++) { 522 err = snd_ctl_add(ice->card, snd_ctl_new1(&maya_controls[i], 523 ice->spec)); 524 if (err < 0) 525 return err; 526 } 527 return 0; 528} 529 530 531/* 532 * initialize a wm8776 chip 533 */ 534static void wm8776_init(struct snd_ice1712 *ice, 535 struct snd_wm8776 *wm, unsigned int addr) 536{ 537 static const unsigned short inits_wm8776[] = { 538 0x02, 0x100, /* R2: headphone L+R muted + update */ 539 0x05, 0x100, /* R5: DAC output L+R muted + update */ 540 0x06, 0x000, /* R6: DAC output phase normal */ 541 0x07, 0x091, /* R7: DAC enable zero cross detection, 542 normal output */ 543 0x08, 0x000, /* R8: DAC soft mute off */ 544 0x09, 0x000, /* R9: no deemph, DAC zero detect disabled */ 545 0x0a, 0x022, /* R10: DAC I2C mode, std polarities, 24bit */ 546 0x0b, 0x022, /* R11: ADC I2C mode, std polarities, 24bit, 547 highpass filter enabled */ 548 0x0c, 0x042, /* R12: ADC+DAC slave, ADC+DAC 44,1kHz */ 549 0x0d, 0x000, /* R13: all power up */ 550 0x0e, 0x100, /* R14: ADC left muted, 551 enable zero cross detection */ 552 0x0f, 0x100, /* R15: ADC right muted, 553 enable zero cross detection */ 554 /* R16: ALC...*/ 555 0x11, 0x000, /* R17: disable ALC */ 556 /* R18: ALC...*/ 557 /* R19: noise gate...*/ 558 0x15, 0x000, /* R21: ADC input mux init, mute all inputs */ 559 0x16, 0x001, /* R22: output mux, select DAC */ 560 0xff, 0xff 561 }; 562 563 const unsigned short *ptr; 564 unsigned char reg; 565 unsigned short data; 566 567 wm->addr = addr; 568 /* enable DAC output; mute bypass, aux & all inputs */ 569 wm->switch_bits = (1 << WM_SW_DAC); 570 571 ptr = inits_wm8776; 572 while (*ptr != 0xff) { 573 reg = *ptr++; 574 data = *ptr++; 575 wm8776_write(ice, wm, reg, data); 576 } 577} 578 579 580/* 581 * change the rate on the WM8776 codecs. 582 * this assumes that the VT17xx's rate is changed by the calling function. 583 * NOTE: even though the WM8776's are running in slave mode and rate 584 * selection is automatic, we need to call snd_wm8776_set_rate() here 585 * to make sure some flags are set correctly. 586 */ 587static void set_rate(struct snd_ice1712 *ice, unsigned int rate) 588{ 589 struct snd_maya44 *chip = ice->spec; 590 unsigned int ratio, adc_ratio, val; 591 int i; 592 593 switch (rate) { 594 case 192000: 595 ratio = WM8776_CLOCK_RATIO_128FS; 596 break; 597 case 176400: 598 ratio = WM8776_CLOCK_RATIO_128FS; 599 break; 600 case 96000: 601 ratio = WM8776_CLOCK_RATIO_256FS; 602 break; 603 case 88200: 604 ratio = WM8776_CLOCK_RATIO_384FS; 605 break; 606 case 48000: 607 ratio = WM8776_CLOCK_RATIO_512FS; 608 break; 609 case 44100: 610 ratio = WM8776_CLOCK_RATIO_512FS; 611 break; 612 case 32000: 613 ratio = WM8776_CLOCK_RATIO_768FS; 614 break; 615 case 0: 616 /* no hint - S/PDIF input is master, simply return */ 617 return; 618 default: 619 snd_BUG(); 620 return; 621 } 622 623 /* 624 * this currently sets the same rate for ADC and DAC, but limits 625 * ADC rate to 256X (96kHz). For 256X mode (96kHz), this sets ADC 626 * oversampling to 64x, as recommended by WM8776 datasheet. 627 * Setting the rate is not really necessary in slave mode. 628 */ 629 adc_ratio = ratio; 630 if (adc_ratio < WM8776_CLOCK_RATIO_256FS) 631 adc_ratio = WM8776_CLOCK_RATIO_256FS; 632 633 val = adc_ratio; 634 if (adc_ratio == WM8776_CLOCK_RATIO_256FS) 635 val |= 8; 636 val |= ratio << 4; 637 638 mutex_lock(&chip->mutex); 639 for (i = 0; i < 2; i++) 640 wm8776_write_bits(ice, &chip->wm[i], 641 WM8776_REG_MASTER_MODE_CONTROL, 642 0x180, val); 643 mutex_unlock(&chip->mutex); 644} 645 646/* 647 * supported sample rates (to override the default one) 648 */ 649 650static const unsigned int rates[] = { 651 32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000 652}; 653 654/* playback rates: 32..192 kHz */ 655static const struct snd_pcm_hw_constraint_list dac_rates = { 656 .count = ARRAY_SIZE(rates), 657 .list = rates, 658 .mask = 0 659}; 660 661 662/* 663 * chip addresses on I2C bus 664 */ 665static const unsigned char wm8776_addr[2] = { 666 0x34, 0x36, /* codec 0 & 1 */ 667}; 668 669/* 670 * initialize the chip 671 */ 672static int maya44_init(struct snd_ice1712 *ice) 673{ 674 int i; 675 struct snd_maya44 *chip; 676 677 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 678 if (!chip) 679 return -ENOMEM; 680 mutex_init(&chip->mutex); 681 chip->ice = ice; 682 ice->spec = chip; 683 684 /* initialise codecs */ 685 ice->num_total_dacs = 4; 686 ice->num_total_adcs = 4; 687 ice->akm_codecs = 0; 688 689 for (i = 0; i < 2; i++) { 690 wm8776_init(ice, &chip->wm[i], wm8776_addr[i]); 691 wm8776_select_input(chip, i, MAYA_LINE_IN); 692 } 693 694 /* set card specific rates */ 695 ice->hw_rates = &dac_rates; 696 697 /* register change rate notifier */ 698 ice->gpio.set_pro_rate = set_rate; 699 700 /* RDMA1 (2nd input channel) is used for ADC by default */ 701 ice->force_rdma1 = 1; 702 703 /* have an own routing control */ 704 ice->own_routing = 1; 705 706 return 0; 707} 708 709 710/* 711 * Maya44 boards don't provide the EEPROM data except for the vendor IDs. 712 * hence the driver needs to sets up it properly. 713 */ 714 715static const unsigned char maya44_eeprom[] = { 716 [ICE_EEP2_SYSCONF] = 0x45, 717 /* clock xin1=49.152MHz, mpu401, 2 stereo ADCs+DACs */ 718 [ICE_EEP2_ACLINK] = 0x80, 719 /* I2S */ 720 [ICE_EEP2_I2S] = 0xf8, 721 /* vol, 96k, 24bit, 192k */ 722 [ICE_EEP2_SPDIF] = 0xc3, 723 /* enable spdif out, spdif out supp, spdif-in, ext spdif out */ 724 [ICE_EEP2_GPIO_DIR] = 0xff, 725 [ICE_EEP2_GPIO_DIR1] = 0xff, 726 [ICE_EEP2_GPIO_DIR2] = 0xff, 727 [ICE_EEP2_GPIO_MASK] = 0/*0x9f*/, 728 [ICE_EEP2_GPIO_MASK1] = 0/*0xff*/, 729 [ICE_EEP2_GPIO_MASK2] = 0/*0x7f*/, 730 [ICE_EEP2_GPIO_STATE] = (1 << GPIO_PHANTOM_OFF) | 731 (1 << GPIO_SPDIF_IN_INV), 732 [ICE_EEP2_GPIO_STATE1] = 0x00, 733 [ICE_EEP2_GPIO_STATE2] = 0x00, 734}; 735 736/* entry point */ 737struct snd_ice1712_card_info snd_vt1724_maya44_cards[] = { 738 { 739 .subvendor = VT1724_SUBDEVICE_MAYA44, 740 .name = "ESI Maya44", 741 .model = "maya44", 742 .chip_init = maya44_init, 743 .build_controls = maya44_add_controls, 744 .eeprom_size = sizeof(maya44_eeprom), 745 .eeprom_data = maya44_eeprom, 746 }, 747 { } /* terminator */ 748}; 749