1 /* 2 * ALSA driver for ICEnsemble VT1724 (Envy24HT) 3 * 4 * Lowlevel functions for Pontis MS300 5 * 6 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 * 22 */ 23 24 #include <asm/io.h> 25 #include <linux/delay.h> 26 #include <linux/interrupt.h> 27 #include <linux/init.h> 28 #include <linux/slab.h> 29 #include <linux/mutex.h> 30 31 #include <sound/core.h> 32 #include <sound/info.h> 33 #include <sound/tlv.h> 34 35 #include "ice1712.h" 36 #include "envy24ht.h" 37 #include "pontis.h" 38 39 /* I2C addresses */ 40 #define WM_DEV 0x34 41 #define CS_DEV 0x20 42 43 /* WM8776 registers */ 44 #define WM_HP_ATTEN_L 0x00 /* headphone left attenuation */ 45 #define WM_HP_ATTEN_R 0x01 /* headphone left attenuation */ 46 #define WM_HP_MASTER 0x02 /* headphone master (both channels), override LLR */ 47 #define WM_DAC_ATTEN_L 0x03 /* digital left attenuation */ 48 #define WM_DAC_ATTEN_R 0x04 49 #define WM_DAC_MASTER 0x05 50 #define WM_PHASE_SWAP 0x06 /* DAC phase swap */ 51 #define WM_DAC_CTRL1 0x07 52 #define WM_DAC_MUTE 0x08 53 #define WM_DAC_CTRL2 0x09 54 #define WM_DAC_INT 0x0a 55 #define WM_ADC_INT 0x0b 56 #define WM_MASTER_CTRL 0x0c 57 #define WM_POWERDOWN 0x0d 58 #define WM_ADC_ATTEN_L 0x0e 59 #define WM_ADC_ATTEN_R 0x0f 60 #define WM_ALC_CTRL1 0x10 61 #define WM_ALC_CTRL2 0x11 62 #define WM_ALC_CTRL3 0x12 63 #define WM_NOISE_GATE 0x13 64 #define WM_LIMITER 0x14 65 #define WM_ADC_MUX 0x15 66 #define WM_OUT_MUX 0x16 67 #define WM_RESET 0x17 68 69 /* 70 * GPIO 71 */ 72 #define PONTIS_CS_CS (1<<4) /* CS */ 73 #define PONTIS_CS_CLK (1<<5) /* CLK */ 74 #define PONTIS_CS_RDATA (1<<6) /* CS8416 -> VT1720 */ 75 #define PONTIS_CS_WDATA (1<<7) /* VT1720 -> CS8416 */ 76 77 78 /* 79 * get the current register value of WM codec 80 */ 81 static unsigned short wm_get(struct snd_ice1712 *ice, int reg) 82 { 83 reg <<= 1; 84 return ((unsigned short)ice->akm[0].images[reg] << 8) | 85 ice->akm[0].images[reg + 1]; 86 } 87 88 /* 89 * set the register value of WM codec and remember it 90 */ 91 static void wm_put_nocache(struct snd_ice1712 *ice, int reg, unsigned short val) 92 { 93 unsigned short cval; 94 cval = (reg << 9) | val; 95 snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff); 96 } 97 98 static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val) 99 { 100 wm_put_nocache(ice, reg, val); 101 reg <<= 1; 102 ice->akm[0].images[reg] = val >> 8; 103 ice->akm[0].images[reg + 1] = val; 104 } 105 106 /* 107 * DAC volume attenuation mixer control (-64dB to 0dB) 108 */ 109 110 #define DAC_0dB 0xff 111 #define DAC_RES 128 112 #define DAC_MIN (DAC_0dB - DAC_RES) 113 114 static int wm_dac_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 115 { 116 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 117 uinfo->count = 2; 118 uinfo->value.integer.min = 0; /* mute */ 119 uinfo->value.integer.max = DAC_RES; /* 0dB, 0.5dB step */ 120 return 0; 121 } 122 123 static int wm_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 124 { 125 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 126 unsigned short val; 127 int i; 128 129 mutex_lock(&ice->gpio_mutex); 130 for (i = 0; i < 2; i++) { 131 val = wm_get(ice, WM_DAC_ATTEN_L + i) & 0xff; 132 val = val > DAC_MIN ? (val - DAC_MIN) : 0; 133 ucontrol->value.integer.value[i] = val; 134 } 135 mutex_unlock(&ice->gpio_mutex); 136 return 0; 137 } 138 139 static int wm_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 140 { 141 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 142 unsigned short oval, nval; 143 int i, idx, change = 0; 144 145 mutex_lock(&ice->gpio_mutex); 146 for (i = 0; i < 2; i++) { 147 nval = ucontrol->value.integer.value[i]; 148 nval = (nval ? (nval + DAC_MIN) : 0) & 0xff; 149 idx = WM_DAC_ATTEN_L + i; 150 oval = wm_get(ice, idx) & 0xff; 151 if (oval != nval) { 152 wm_put(ice, idx, nval); 153 wm_put_nocache(ice, idx, nval | 0x100); 154 change = 1; 155 } 156 } 157 mutex_unlock(&ice->gpio_mutex); 158 return change; 159 } 160 161 /* 162 * ADC gain mixer control (-64dB to 0dB) 163 */ 164 165 #define ADC_0dB 0xcf 166 #define ADC_RES 128 167 #define ADC_MIN (ADC_0dB - ADC_RES) 168 169 static int wm_adc_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 170 { 171 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 172 uinfo->count = 2; 173 uinfo->value.integer.min = 0; /* mute (-64dB) */ 174 uinfo->value.integer.max = ADC_RES; /* 0dB, 0.5dB step */ 175 return 0; 176 } 177 178 static int wm_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 179 { 180 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 181 unsigned short val; 182 int i; 183 184 mutex_lock(&ice->gpio_mutex); 185 for (i = 0; i < 2; i++) { 186 val = wm_get(ice, WM_ADC_ATTEN_L + i) & 0xff; 187 val = val > ADC_MIN ? (val - ADC_MIN) : 0; 188 ucontrol->value.integer.value[i] = val; 189 } 190 mutex_unlock(&ice->gpio_mutex); 191 return 0; 192 } 193 194 static int wm_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 195 { 196 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 197 unsigned short ovol, nvol; 198 int i, idx, change = 0; 199 200 mutex_lock(&ice->gpio_mutex); 201 for (i = 0; i < 2; i++) { 202 nvol = ucontrol->value.integer.value[i]; 203 nvol = nvol ? (nvol + ADC_MIN) : 0; 204 idx = WM_ADC_ATTEN_L + i; 205 ovol = wm_get(ice, idx) & 0xff; 206 if (ovol != nvol) { 207 wm_put(ice, idx, nvol); 208 change = 1; 209 } 210 } 211 mutex_unlock(&ice->gpio_mutex); 212 return change; 213 } 214 215 /* 216 * ADC input mux mixer control 217 */ 218 #define wm_adc_mux_info snd_ctl_boolean_mono_info 219 220 static int wm_adc_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 221 { 222 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 223 int bit = kcontrol->private_value; 224 225 mutex_lock(&ice->gpio_mutex); 226 ucontrol->value.integer.value[0] = (wm_get(ice, WM_ADC_MUX) & (1 << bit)) ? 1 : 0; 227 mutex_unlock(&ice->gpio_mutex); 228 return 0; 229 } 230 231 static int wm_adc_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 232 { 233 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 234 int bit = kcontrol->private_value; 235 unsigned short oval, nval; 236 int change; 237 238 mutex_lock(&ice->gpio_mutex); 239 nval = oval = wm_get(ice, WM_ADC_MUX); 240 if (ucontrol->value.integer.value[0]) 241 nval |= (1 << bit); 242 else 243 nval &= ~(1 << bit); 244 change = nval != oval; 245 if (change) { 246 wm_put(ice, WM_ADC_MUX, nval); 247 } 248 mutex_unlock(&ice->gpio_mutex); 249 return change; 250 } 251 252 /* 253 * Analog bypass (In -> Out) 254 */ 255 #define wm_bypass_info snd_ctl_boolean_mono_info 256 257 static int wm_bypass_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 258 { 259 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 260 261 mutex_lock(&ice->gpio_mutex); 262 ucontrol->value.integer.value[0] = (wm_get(ice, WM_OUT_MUX) & 0x04) ? 1 : 0; 263 mutex_unlock(&ice->gpio_mutex); 264 return 0; 265 } 266 267 static int wm_bypass_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 268 { 269 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 270 unsigned short val, oval; 271 int change = 0; 272 273 mutex_lock(&ice->gpio_mutex); 274 val = oval = wm_get(ice, WM_OUT_MUX); 275 if (ucontrol->value.integer.value[0]) 276 val |= 0x04; 277 else 278 val &= ~0x04; 279 if (val != oval) { 280 wm_put(ice, WM_OUT_MUX, val); 281 change = 1; 282 } 283 mutex_unlock(&ice->gpio_mutex); 284 return change; 285 } 286 287 /* 288 * Left/Right swap 289 */ 290 #define wm_chswap_info snd_ctl_boolean_mono_info 291 292 static int wm_chswap_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 293 { 294 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 295 296 mutex_lock(&ice->gpio_mutex); 297 ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL1) & 0xf0) != 0x90; 298 mutex_unlock(&ice->gpio_mutex); 299 return 0; 300 } 301 302 static int wm_chswap_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 303 { 304 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 305 unsigned short val, oval; 306 int change = 0; 307 308 mutex_lock(&ice->gpio_mutex); 309 oval = wm_get(ice, WM_DAC_CTRL1); 310 val = oval & 0x0f; 311 if (ucontrol->value.integer.value[0]) 312 val |= 0x60; 313 else 314 val |= 0x90; 315 if (val != oval) { 316 wm_put(ice, WM_DAC_CTRL1, val); 317 wm_put_nocache(ice, WM_DAC_CTRL1, val); 318 change = 1; 319 } 320 mutex_unlock(&ice->gpio_mutex); 321 return change; 322 } 323 324 /* 325 * write data in the SPI mode 326 */ 327 static void set_gpio_bit(struct snd_ice1712 *ice, unsigned int bit, int val) 328 { 329 unsigned int tmp = snd_ice1712_gpio_read(ice); 330 if (val) 331 tmp |= bit; 332 else 333 tmp &= ~bit; 334 snd_ice1712_gpio_write(ice, tmp); 335 } 336 337 static void spi_send_byte(struct snd_ice1712 *ice, unsigned char data) 338 { 339 int i; 340 for (i = 0; i < 8; i++) { 341 set_gpio_bit(ice, PONTIS_CS_CLK, 0); 342 udelay(1); 343 set_gpio_bit(ice, PONTIS_CS_WDATA, data & 0x80); 344 udelay(1); 345 set_gpio_bit(ice, PONTIS_CS_CLK, 1); 346 udelay(1); 347 data <<= 1; 348 } 349 } 350 351 static unsigned int spi_read_byte(struct snd_ice1712 *ice) 352 { 353 int i; 354 unsigned int val = 0; 355 356 for (i = 0; i < 8; i++) { 357 val <<= 1; 358 set_gpio_bit(ice, PONTIS_CS_CLK, 0); 359 udelay(1); 360 if (snd_ice1712_gpio_read(ice) & PONTIS_CS_RDATA) 361 val |= 1; 362 udelay(1); 363 set_gpio_bit(ice, PONTIS_CS_CLK, 1); 364 udelay(1); 365 } 366 return val; 367 } 368 369 370 static void spi_write(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg, unsigned int data) 371 { 372 snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK); 373 snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK)); 374 set_gpio_bit(ice, PONTIS_CS_CS, 0); 375 spi_send_byte(ice, dev & ~1); /* WRITE */ 376 spi_send_byte(ice, reg); /* MAP */ 377 spi_send_byte(ice, data); /* DATA */ 378 /* trigger */ 379 set_gpio_bit(ice, PONTIS_CS_CS, 1); 380 udelay(1); 381 /* restore */ 382 snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask); 383 snd_ice1712_gpio_set_dir(ice, ice->gpio.direction); 384 } 385 386 static unsigned int spi_read(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg) 387 { 388 unsigned int val; 389 snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK); 390 snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK)); 391 set_gpio_bit(ice, PONTIS_CS_CS, 0); 392 spi_send_byte(ice, dev & ~1); /* WRITE */ 393 spi_send_byte(ice, reg); /* MAP */ 394 /* trigger */ 395 set_gpio_bit(ice, PONTIS_CS_CS, 1); 396 udelay(1); 397 set_gpio_bit(ice, PONTIS_CS_CS, 0); 398 spi_send_byte(ice, dev | 1); /* READ */ 399 val = spi_read_byte(ice); 400 /* trigger */ 401 set_gpio_bit(ice, PONTIS_CS_CS, 1); 402 udelay(1); 403 /* restore */ 404 snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask); 405 snd_ice1712_gpio_set_dir(ice, ice->gpio.direction); 406 return val; 407 } 408 409 410 /* 411 * SPDIF input source 412 */ 413 static int cs_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 414 { 415 static const char * const texts[] = { 416 "Coax", /* RXP0 */ 417 "Optical", /* RXP1 */ 418 "CD", /* RXP2 */ 419 }; 420 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 421 uinfo->count = 1; 422 uinfo->value.enumerated.items = 3; 423 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 424 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; 425 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 426 return 0; 427 } 428 429 static int cs_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 430 { 431 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 432 433 mutex_lock(&ice->gpio_mutex); 434 ucontrol->value.enumerated.item[0] = ice->gpio.saved[0]; 435 mutex_unlock(&ice->gpio_mutex); 436 return 0; 437 } 438 439 static int cs_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 440 { 441 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 442 unsigned char val; 443 int change = 0; 444 445 mutex_lock(&ice->gpio_mutex); 446 if (ucontrol->value.enumerated.item[0] != ice->gpio.saved[0]) { 447 ice->gpio.saved[0] = ucontrol->value.enumerated.item[0] & 3; 448 val = 0x80 | (ice->gpio.saved[0] << 3); 449 spi_write(ice, CS_DEV, 0x04, val); 450 change = 1; 451 } 452 mutex_unlock(&ice->gpio_mutex); 453 return change; 454 } 455 456 457 /* 458 * GPIO controls 459 */ 460 static int pontis_gpio_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 461 { 462 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 463 uinfo->count = 1; 464 uinfo->value.integer.min = 0; 465 uinfo->value.integer.max = 0xffff; /* 16bit */ 466 return 0; 467 } 468 469 static int pontis_gpio_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 470 { 471 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 472 mutex_lock(&ice->gpio_mutex); 473 /* 4-7 reserved */ 474 ucontrol->value.integer.value[0] = (~ice->gpio.write_mask & 0xffff) | 0x00f0; 475 mutex_unlock(&ice->gpio_mutex); 476 return 0; 477 } 478 479 static int pontis_gpio_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 480 { 481 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 482 unsigned int val; 483 int changed; 484 mutex_lock(&ice->gpio_mutex); 485 /* 4-7 reserved */ 486 val = (~ucontrol->value.integer.value[0] & 0xffff) | 0x00f0; 487 changed = val != ice->gpio.write_mask; 488 ice->gpio.write_mask = val; 489 mutex_unlock(&ice->gpio_mutex); 490 return changed; 491 } 492 493 static int pontis_gpio_dir_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 494 { 495 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 496 mutex_lock(&ice->gpio_mutex); 497 /* 4-7 reserved */ 498 ucontrol->value.integer.value[0] = ice->gpio.direction & 0xff0f; 499 mutex_unlock(&ice->gpio_mutex); 500 return 0; 501 } 502 503 static int pontis_gpio_dir_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 504 { 505 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 506 unsigned int val; 507 int changed; 508 mutex_lock(&ice->gpio_mutex); 509 /* 4-7 reserved */ 510 val = ucontrol->value.integer.value[0] & 0xff0f; 511 changed = (val != ice->gpio.direction); 512 ice->gpio.direction = val; 513 mutex_unlock(&ice->gpio_mutex); 514 return changed; 515 } 516 517 static int pontis_gpio_data_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 518 { 519 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 520 mutex_lock(&ice->gpio_mutex); 521 snd_ice1712_gpio_set_dir(ice, ice->gpio.direction); 522 snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask); 523 ucontrol->value.integer.value[0] = snd_ice1712_gpio_read(ice) & 0xffff; 524 mutex_unlock(&ice->gpio_mutex); 525 return 0; 526 } 527 528 static int pontis_gpio_data_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 529 { 530 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 531 unsigned int val, nval; 532 int changed = 0; 533 mutex_lock(&ice->gpio_mutex); 534 snd_ice1712_gpio_set_dir(ice, ice->gpio.direction); 535 snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask); 536 val = snd_ice1712_gpio_read(ice) & 0xffff; 537 nval = ucontrol->value.integer.value[0] & 0xffff; 538 if (val != nval) { 539 snd_ice1712_gpio_write(ice, nval); 540 changed = 1; 541 } 542 mutex_unlock(&ice->gpio_mutex); 543 return changed; 544 } 545 546 static const DECLARE_TLV_DB_SCALE(db_scale_volume, -6400, 50, 1); 547 548 /* 549 * mixers 550 */ 551 552 static struct snd_kcontrol_new pontis_controls[] __devinitdata = { 553 { 554 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 555 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 556 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 557 .name = "PCM Playback Volume", 558 .info = wm_dac_vol_info, 559 .get = wm_dac_vol_get, 560 .put = wm_dac_vol_put, 561 .tlv = { .p = db_scale_volume }, 562 }, 563 { 564 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 565 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 566 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 567 .name = "Capture Volume", 568 .info = wm_adc_vol_info, 569 .get = wm_adc_vol_get, 570 .put = wm_adc_vol_put, 571 .tlv = { .p = db_scale_volume }, 572 }, 573 { 574 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 575 .name = "CD Capture Switch", 576 .info = wm_adc_mux_info, 577 .get = wm_adc_mux_get, 578 .put = wm_adc_mux_put, 579 .private_value = 0, 580 }, 581 { 582 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 583 .name = "Line Capture Switch", 584 .info = wm_adc_mux_info, 585 .get = wm_adc_mux_get, 586 .put = wm_adc_mux_put, 587 .private_value = 1, 588 }, 589 { 590 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 591 .name = "Analog Bypass Switch", 592 .info = wm_bypass_info, 593 .get = wm_bypass_get, 594 .put = wm_bypass_put, 595 }, 596 { 597 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 598 .name = "Swap Output Channels", 599 .info = wm_chswap_info, 600 .get = wm_chswap_get, 601 .put = wm_chswap_put, 602 }, 603 { 604 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 605 .name = "IEC958 Input Source", 606 .info = cs_source_info, 607 .get = cs_source_get, 608 .put = cs_source_put, 609 }, 610 /* FIXME: which interface? */ 611 { 612 .iface = SNDRV_CTL_ELEM_IFACE_CARD, 613 .name = "GPIO Mask", 614 .info = pontis_gpio_mask_info, 615 .get = pontis_gpio_mask_get, 616 .put = pontis_gpio_mask_put, 617 }, 618 { 619 .iface = SNDRV_CTL_ELEM_IFACE_CARD, 620 .name = "GPIO Direction", 621 .info = pontis_gpio_mask_info, 622 .get = pontis_gpio_dir_get, 623 .put = pontis_gpio_dir_put, 624 }, 625 { 626 .iface = SNDRV_CTL_ELEM_IFACE_CARD, 627 .name = "GPIO Data", 628 .info = pontis_gpio_mask_info, 629 .get = pontis_gpio_data_get, 630 .put = pontis_gpio_data_put, 631 }, 632 }; 633 634 635 /* 636 * WM codec registers 637 */ 638 static void wm_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 639 { 640 struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data; 641 char line[64]; 642 unsigned int reg, val; 643 mutex_lock(&ice->gpio_mutex); 644 while (!snd_info_get_line(buffer, line, sizeof(line))) { 645 if (sscanf(line, "%x %x", ®, &val) != 2) 646 continue; 647 if (reg <= 0x17 && val <= 0xffff) 648 wm_put(ice, reg, val); 649 } 650 mutex_unlock(&ice->gpio_mutex); 651 } 652 653 static void wm_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 654 { 655 struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data; 656 int reg, val; 657 658 mutex_lock(&ice->gpio_mutex); 659 for (reg = 0; reg <= 0x17; reg++) { 660 val = wm_get(ice, reg); 661 snd_iprintf(buffer, "%02x = %04x\n", reg, val); 662 } 663 mutex_unlock(&ice->gpio_mutex); 664 } 665 666 static void wm_proc_init(struct snd_ice1712 *ice) 667 { 668 struct snd_info_entry *entry; 669 if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) { 670 snd_info_set_text_ops(entry, ice, wm_proc_regs_read); 671 entry->mode |= S_IWUSR; 672 entry->c.text.write = wm_proc_regs_write; 673 } 674 } 675 676 static void cs_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 677 { 678 struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data; 679 int reg, val; 680 681 mutex_lock(&ice->gpio_mutex); 682 for (reg = 0; reg <= 0x26; reg++) { 683 val = spi_read(ice, CS_DEV, reg); 684 snd_iprintf(buffer, "%02x = %02x\n", reg, val); 685 } 686 val = spi_read(ice, CS_DEV, 0x7f); 687 snd_iprintf(buffer, "%02x = %02x\n", 0x7f, val); 688 mutex_unlock(&ice->gpio_mutex); 689 } 690 691 static void cs_proc_init(struct snd_ice1712 *ice) 692 { 693 struct snd_info_entry *entry; 694 if (! snd_card_proc_new(ice->card, "cs_codec", &entry)) 695 snd_info_set_text_ops(entry, ice, cs_proc_regs_read); 696 } 697 698 699 static int __devinit pontis_add_controls(struct snd_ice1712 *ice) 700 { 701 unsigned int i; 702 int err; 703 704 for (i = 0; i < ARRAY_SIZE(pontis_controls); i++) { 705 err = snd_ctl_add(ice->card, snd_ctl_new1(&pontis_controls[i], ice)); 706 if (err < 0) 707 return err; 708 } 709 710 wm_proc_init(ice); 711 cs_proc_init(ice); 712 713 return 0; 714 } 715 716 717 /* 718 * initialize the chip 719 */ 720 static int __devinit pontis_init(struct snd_ice1712 *ice) 721 { 722 static const unsigned short wm_inits[] = { 723 /* These come first to reduce init pop noise */ 724 WM_ADC_MUX, 0x00c0, /* ADC mute */ 725 WM_DAC_MUTE, 0x0001, /* DAC softmute */ 726 WM_DAC_CTRL1, 0x0000, /* DAC mute */ 727 728 WM_POWERDOWN, 0x0008, /* All power-up except HP */ 729 WM_RESET, 0x0000, /* reset */ 730 }; 731 static const unsigned short wm_inits2[] = { 732 WM_MASTER_CTRL, 0x0022, /* 256fs, slave mode */ 733 WM_DAC_INT, 0x0022, /* I2S, normal polarity, 24bit */ 734 WM_ADC_INT, 0x0022, /* I2S, normal polarity, 24bit */ 735 WM_DAC_CTRL1, 0x0090, /* DAC L/R */ 736 WM_OUT_MUX, 0x0001, /* OUT DAC */ 737 WM_HP_ATTEN_L, 0x0179, /* HP 0dB */ 738 WM_HP_ATTEN_R, 0x0179, /* HP 0dB */ 739 WM_DAC_ATTEN_L, 0x0000, /* DAC 0dB */ 740 WM_DAC_ATTEN_L, 0x0100, /* DAC 0dB */ 741 WM_DAC_ATTEN_R, 0x0000, /* DAC 0dB */ 742 WM_DAC_ATTEN_R, 0x0100, /* DAC 0dB */ 743 // WM_DAC_MASTER, 0x0100, /* DAC master muted */ 744 WM_PHASE_SWAP, 0x0000, /* phase normal */ 745 WM_DAC_CTRL2, 0x0000, /* no deemphasis, no ZFLG */ 746 WM_ADC_ATTEN_L, 0x0000, /* ADC muted */ 747 WM_ADC_ATTEN_R, 0x0000, /* ADC muted */ 748 #if 0 749 WM_ALC_CTRL1, 0x007b, /* */ 750 WM_ALC_CTRL2, 0x0000, /* */ 751 WM_ALC_CTRL3, 0x0000, /* */ 752 WM_NOISE_GATE, 0x0000, /* */ 753 #endif 754 WM_DAC_MUTE, 0x0000, /* DAC unmute */ 755 WM_ADC_MUX, 0x0003, /* ADC unmute, both CD/Line On */ 756 }; 757 static const unsigned char cs_inits[] = { 758 0x04, 0x80, /* RUN, RXP0 */ 759 0x05, 0x05, /* slave, 24bit */ 760 0x01, 0x00, 761 0x02, 0x00, 762 0x03, 0x00, 763 }; 764 unsigned int i; 765 766 ice->vt1720 = 1; 767 ice->num_total_dacs = 2; 768 ice->num_total_adcs = 2; 769 770 /* to remeber the register values */ 771 ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL); 772 if (! ice->akm) 773 return -ENOMEM; 774 ice->akm_codecs = 1; 775 776 /* HACK - use this as the SPDIF source. 777 * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten 778 */ 779 ice->gpio.saved[0] = 0; 780 781 /* initialize WM8776 codec */ 782 for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2) 783 wm_put(ice, wm_inits[i], wm_inits[i+1]); 784 schedule_timeout_uninterruptible(1); 785 for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2) 786 wm_put(ice, wm_inits2[i], wm_inits2[i+1]); 787 788 /* initialize CS8416 codec */ 789 /* assert PRST#; MT05 bit 7 */ 790 outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD)); 791 mdelay(5); 792 /* deassert PRST# */ 793 outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD)); 794 795 for (i = 0; i < ARRAY_SIZE(cs_inits); i += 2) 796 spi_write(ice, CS_DEV, cs_inits[i], cs_inits[i+1]); 797 798 return 0; 799 } 800 801 802 /* 803 * Pontis boards don't provide the EEPROM data at all. 804 * hence the driver needs to sets up it properly. 805 */ 806 807 static unsigned char pontis_eeprom[] __devinitdata = { 808 [ICE_EEP2_SYSCONF] = 0x08, /* clock 256, mpu401, spdif-in/ADC, 1DAC */ 809 [ICE_EEP2_ACLINK] = 0x80, /* I2S */ 810 [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */ 811 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */ 812 [ICE_EEP2_GPIO_DIR] = 0x07, 813 [ICE_EEP2_GPIO_DIR1] = 0x00, 814 [ICE_EEP2_GPIO_DIR2] = 0x00, /* ignored */ 815 [ICE_EEP2_GPIO_MASK] = 0x0f, /* 4-7 reserved for CS8416 */ 816 [ICE_EEP2_GPIO_MASK1] = 0xff, 817 [ICE_EEP2_GPIO_MASK2] = 0x00, /* ignored */ 818 [ICE_EEP2_GPIO_STATE] = 0x06, /* 0-low, 1-high, 2-high */ 819 [ICE_EEP2_GPIO_STATE1] = 0x00, 820 [ICE_EEP2_GPIO_STATE2] = 0x00, /* ignored */ 821 }; 822 823 /* entry point */ 824 struct snd_ice1712_card_info snd_vt1720_pontis_cards[] __devinitdata = { 825 { 826 .subvendor = VT1720_SUBDEVICE_PONTIS_MS300, 827 .name = "Pontis MS300", 828 .model = "ms300", 829 .chip_init = pontis_init, 830 .build_controls = pontis_add_controls, 831 .eeprom_size = sizeof(pontis_eeprom), 832 .eeprom_data = pontis_eeprom, 833 }, 834 { } /* terminator */ 835 }; 836