sound/pci/ice1712/pontis.c

   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 <sound/driver.h>
  25 #include <asm/io.h>
  26 #include <linux/delay.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/init.h>
  29 #include <linux/slab.h>
  30 #include <linux/mutex.h>
  31
  32 #include <sound/core.h>
  33 #include <sound/info.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 static int wm_adc_mux_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 219 {
 220         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 221         uinfo->count = 1;
 222         uinfo->value.integer.min = 0;
 223         uinfo->value.integer.max = 1;
 224         return 0;
 225 }
 226
 227 static int wm_adc_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 228 {
 229         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 230         int bit = kcontrol->private_value;
 231
 232         mutex_lock(&ice->gpio_mutex);
 233         ucontrol->value.integer.value[0] = (wm_get(ice, WM_ADC_MUX) & (1 << bit)) ? 1 : 0;
 234         mutex_unlock(&ice->gpio_mutex);
 235         return 0;
 236 }
 237
 238 static int wm_adc_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 239 {
 240         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 241         int bit = kcontrol->private_value;
 242         unsigned short oval, nval;
 243         int change;
 244
 245         mutex_lock(&ice->gpio_mutex);
 246         nval = oval = wm_get(ice, WM_ADC_MUX);
 247         if (ucontrol->value.integer.value[0])
 248                 nval |= (1 << bit);
 249         else
 250                 nval &= ~(1 << bit);
 251         change = nval != oval;
 252         if (change) {
 253                 wm_put(ice, WM_ADC_MUX, nval);
 254         }
 255         mutex_unlock(&ice->gpio_mutex);
 256         return 0;
 257 }
 258
 259 /*
 260  * Analog bypass (In -> Out)
 261  */
 262 static int wm_bypass_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 263 {
 264         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 265         uinfo->count = 1;
 266         uinfo->value.integer.min = 0;
 267         uinfo->value.integer.max = 1;
 268         return 0;
 269 }
 270
 271 static int wm_bypass_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 272 {
 273         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 274
 275         mutex_lock(&ice->gpio_mutex);
 276         ucontrol->value.integer.value[0] = (wm_get(ice, WM_OUT_MUX) & 0x04) ? 1 : 0;
 277         mutex_unlock(&ice->gpio_mutex);
 278         return 0;
 279 }
 280
 281 static int wm_bypass_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 282 {
 283         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 284         unsigned short val, oval;
 285         int change = 0;
 286
 287         mutex_lock(&ice->gpio_mutex);
 288         val = oval = wm_get(ice, WM_OUT_MUX);
 289         if (ucontrol->value.integer.value[0])
 290                 val |= 0x04;
 291         else
 292                 val &= ~0x04;
 293         if (val != oval) {
 294                 wm_put(ice, WM_OUT_MUX, val);
 295                 change = 1;
 296         }
 297         mutex_unlock(&ice->gpio_mutex);
 298         return change;
 299 }
 300
 301 /*
 302  * Left/Right swap
 303  */
 304 static int wm_chswap_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 305 {
 306         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 307         uinfo->count = 1;
 308         uinfo->value.integer.min = 0;
 309         uinfo->value.integer.max = 1;
 310         return 0;
 311 }
 312
 313 static int wm_chswap_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 314 {
 315         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 316
 317         mutex_lock(&ice->gpio_mutex);
 318         ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL1) & 0xf0) != 0x90;
 319         mutex_unlock(&ice->gpio_mutex);
 320         return 0;
 321 }
 322
 323 static int wm_chswap_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 324 {
 325         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 326         unsigned short val, oval;
 327         int change = 0;
 328
 329         mutex_lock(&ice->gpio_mutex);
 330         oval = wm_get(ice, WM_DAC_CTRL1);
 331         val = oval & 0x0f;
 332         if (ucontrol->value.integer.value[0])
 333                 val |= 0x60;
 334         else
 335                 val |= 0x90;
 336         if (val != oval) {
 337                 wm_put(ice, WM_DAC_CTRL1, val);
 338                 wm_put_nocache(ice, WM_DAC_CTRL1, val);
 339                 change = 1;
 340         }
 341         mutex_unlock(&ice->gpio_mutex);
 342         return change;
 343 }
 344
 345 /*
 346  * write data in the SPI mode
 347  */
 348 static void set_gpio_bit(struct snd_ice1712 *ice, unsigned int bit, int val)
 349 {
 350         unsigned int tmp = snd_ice1712_gpio_read(ice);
 351         if (val)
 352                 tmp |= bit;
 353         else
 354                 tmp &= ~bit;
 355         snd_ice1712_gpio_write(ice, tmp);
 356 }
 357
 358 static void spi_send_byte(struct snd_ice1712 *ice, unsigned char data)
 359 {
 360         int i;
 361         for (i = 0; i < 8; i++) {
 362                 set_gpio_bit(ice, PONTIS_CS_CLK, 0);
 363                 udelay(1);
 364                 set_gpio_bit(ice, PONTIS_CS_WDATA, data & 0x80);
 365                 udelay(1);
 366                 set_gpio_bit(ice, PONTIS_CS_CLK, 1);
 367                 udelay(1);
 368                 data <<= 1;
 369         }
 370 }
 371
 372 static unsigned int spi_read_byte(struct snd_ice1712 *ice)
 373 {
 374         int i;
 375         unsigned int val = 0;
 376
 377         for (i = 0; i < 8; i++) {
 378                 val <<= 1;
 379                 set_gpio_bit(ice, PONTIS_CS_CLK, 0);
 380                 udelay(1);
 381                 if (snd_ice1712_gpio_read(ice) & PONTIS_CS_RDATA)
 382                         val |= 1;
 383                 udelay(1);
 384                 set_gpio_bit(ice, PONTIS_CS_CLK, 1);
 385                 udelay(1);
 386         }
 387         return val;
 388 }
 389
 390
 391 static void spi_write(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg, unsigned int data)
 392 {
 393         snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
 394         snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
 395         set_gpio_bit(ice, PONTIS_CS_CS, 0);
 396         spi_send_byte(ice, dev & ~1); /* WRITE */
 397         spi_send_byte(ice, reg); /* MAP */
 398         spi_send_byte(ice, data); /* DATA */
 399         /* trigger */
 400         set_gpio_bit(ice, PONTIS_CS_CS, 1);
 401         udelay(1);
 402         /* restore */
 403         snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 404         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 405 }
 406
 407 static unsigned int spi_read(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg)
 408 {
 409         unsigned int val;
 410         snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
 411         snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
 412         set_gpio_bit(ice, PONTIS_CS_CS, 0);
 413         spi_send_byte(ice, dev & ~1); /* WRITE */
 414         spi_send_byte(ice, reg); /* MAP */
 415         /* trigger */
 416         set_gpio_bit(ice, PONTIS_CS_CS, 1);
 417         udelay(1);
 418         set_gpio_bit(ice, PONTIS_CS_CS, 0);
 419         spi_send_byte(ice, dev | 1); /* READ */
 420         val = spi_read_byte(ice);
 421         /* trigger */
 422         set_gpio_bit(ice, PONTIS_CS_CS, 1);
 423         udelay(1);
 424         /* restore */
 425         snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 426         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 427         return val;
 428 }
 429
 430
 431 /*
 432  * SPDIF input source
 433  */
 434 static int cs_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 435 {
 436         static char *texts[] = {
 437                 "Coax",         /* RXP0 */
 438                 "Optical",      /* RXP1 */
 439                 "CD",           /* RXP2 */
 440         };
 441         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 442         uinfo->count = 1;
 443         uinfo->value.enumerated.items = 3;
 444         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 445                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
 446         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 447         return 0;
 448 }
 449
 450 static int cs_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 451 {
 452         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 453
 454         mutex_lock(&ice->gpio_mutex);
 455         ucontrol->value.enumerated.item[0] = ice->gpio.saved[0];
 456         mutex_unlock(&ice->gpio_mutex);
 457         return 0;
 458 }
 459
 460 static int cs_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 461 {
 462         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 463         unsigned char val;
 464         int change = 0;
 465
 466         mutex_lock(&ice->gpio_mutex);
 467         if (ucontrol->value.enumerated.item[0] != ice->gpio.saved[0]) {
 468                 ice->gpio.saved[0] = ucontrol->value.enumerated.item[0] & 3;
 469                 val = 0x80 | (ice->gpio.saved[0] << 3);
 470                 spi_write(ice, CS_DEV, 0x04, val);
 471                 change = 1;
 472         }
 473         mutex_unlock(&ice->gpio_mutex);
 474         return 0;
 475 }
 476
 477
 478 /*
 479  * GPIO controls
 480  */
 481 static int pontis_gpio_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 482 {
 483         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 484         uinfo->count = 1;
 485         uinfo->value.integer.min = 0;
 486         uinfo->value.integer.max = 0xffff; /* 16bit */
 487         return 0;
 488 }
 489
 490 static int pontis_gpio_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 491 {
 492         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 493         mutex_lock(&ice->gpio_mutex);
 494         /* 4-7 reserved */
 495         ucontrol->value.integer.value[0] = (~ice->gpio.write_mask & 0xffff) | 0x00f0;
 496         mutex_unlock(&ice->gpio_mutex);
 497         return 0;
 498 }
 499
 500 static int pontis_gpio_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 501 {
 502         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 503         unsigned int val;
 504         int changed;
 505         mutex_lock(&ice->gpio_mutex);
 506         /* 4-7 reserved */
 507         val = (~ucontrol->value.integer.value[0] & 0xffff) | 0x00f0;
 508         changed = val != ice->gpio.write_mask;
 509         ice->gpio.write_mask = val;
 510         mutex_unlock(&ice->gpio_mutex);
 511         return changed;
 512 }
 513
 514 static int pontis_gpio_dir_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 515 {
 516         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 517         mutex_lock(&ice->gpio_mutex);
 518         /* 4-7 reserved */
 519         ucontrol->value.integer.value[0] = ice->gpio.direction & 0xff0f;
 520         mutex_unlock(&ice->gpio_mutex);
 521         return 0;
 522 }
 523
 524 static int pontis_gpio_dir_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 525 {
 526         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 527         unsigned int val;
 528         int changed;
 529         mutex_lock(&ice->gpio_mutex);
 530         /* 4-7 reserved */
 531         val = ucontrol->value.integer.value[0] & 0xff0f;
 532         changed = (val != ice->gpio.direction);
 533         ice->gpio.direction = val;
 534         mutex_unlock(&ice->gpio_mutex);
 535         return changed;
 536 }
 537
 538 static int pontis_gpio_data_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 539 {
 540         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 541         mutex_lock(&ice->gpio_mutex);
 542         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 543         snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 544         ucontrol->value.integer.value[0] = snd_ice1712_gpio_read(ice) & 0xffff;
 545         mutex_unlock(&ice->gpio_mutex);
 546         return 0;
 547 }
 548
 549 static int pontis_gpio_data_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 550 {
 551         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 552         unsigned int val, nval;
 553         int changed = 0;
 554         mutex_lock(&ice->gpio_mutex);
 555         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 556         snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 557         val = snd_ice1712_gpio_read(ice) & 0xffff;
 558         nval = ucontrol->value.integer.value[0] & 0xffff;
 559         if (val != nval) {
 560                 snd_ice1712_gpio_write(ice, nval);
 561                 changed = 1;
 562         }
 563         mutex_unlock(&ice->gpio_mutex);
 564         return changed;
 565 }
 566
 567 /*
 568  * mixers
 569  */
 570
 571 static struct snd_kcontrol_new pontis_controls[] __devinitdata = {
 572         {
 573                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 574                 .name = "PCM Playback Volume",
 575                 .info = wm_dac_vol_info,
 576                 .get = wm_dac_vol_get,
 577                 .put = wm_dac_vol_put,
 578         },
 579         {
 580                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 581                 .name = "Capture Volume",
 582                 .info = wm_adc_vol_info,
 583                 .get = wm_adc_vol_get,
 584                 .put = wm_adc_vol_put,
 585         },
 586         {
 587                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 588                 .name = "CD Capture Switch",
 589                 .info = wm_adc_mux_info,
 590                 .get = wm_adc_mux_get,
 591                 .put = wm_adc_mux_put,
 592                 .private_value = 0,
 593         },
 594         {
 595                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 596                 .name = "Line Capture Switch",
 597                 .info = wm_adc_mux_info,
 598                 .get = wm_adc_mux_get,
 599                 .put = wm_adc_mux_put,
 600                 .private_value = 1,
 601         },
 602         {
 603                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 604                 .name = "Analog Bypass Switch",
 605                 .info = wm_bypass_info,
 606                 .get = wm_bypass_get,
 607                 .put = wm_bypass_put,
 608         },
 609         {
 610                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 611                 .name = "Swap Output Channels",
 612                 .info = wm_chswap_info,
 613                 .get = wm_chswap_get,
 614                 .put = wm_chswap_put,
 615         },
 616         {
 617                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 618                 .name = "IEC958 Input Source",
 619                 .info = cs_source_info,
 620                 .get = cs_source_get,
 621                 .put = cs_source_put,
 622         },
 623         /* FIXME: which interface? */
 624         {
 625                 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 626                 .name = "GPIO Mask",
 627                 .info = pontis_gpio_mask_info,
 628                 .get = pontis_gpio_mask_get,
 629                 .put = pontis_gpio_mask_put,
 630         },
 631         {
 632                 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 633                 .name = "GPIO Direction",
 634                 .info = pontis_gpio_mask_info,
 635                 .get = pontis_gpio_dir_get,
 636                 .put = pontis_gpio_dir_put,
 637         },
 638         {
 639                 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 640                 .name = "GPIO Data",
 641                 .info = pontis_gpio_mask_info,
 642                 .get = pontis_gpio_data_get,
 643                 .put = pontis_gpio_data_put,
 644         },
 645 };
 646
 647
 648 /*
 649  * WM codec registers
 650  */
 651 static void wm_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 652 {
 653         struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
 654         char line[64];
 655         unsigned int reg, val;
 656         mutex_lock(&ice->gpio_mutex);
 657         while (!snd_info_get_line(buffer, line, sizeof(line))) {
 658                 if (sscanf(line, "%x %x", &reg, &val) != 2)
 659                         continue;
 660                 if (reg <= 0x17 && val <= 0xffff)
 661                         wm_put(ice, reg, val);
 662         }
 663         mutex_unlock(&ice->gpio_mutex);
 664 }
 665
 666 static void wm_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 667 {
 668         struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
 669         int reg, val;
 670
 671         mutex_lock(&ice->gpio_mutex);
 672         for (reg = 0; reg <= 0x17; reg++) {
 673                 val = wm_get(ice, reg);
 674                 snd_iprintf(buffer, "%02x = %04x\n", reg, val);
 675         }
 676         mutex_unlock(&ice->gpio_mutex);
 677 }
 678
 679 static void wm_proc_init(struct snd_ice1712 *ice)
 680 {
 681         struct snd_info_entry *entry;
 682         if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) {
 683                 snd_info_set_text_ops(entry, ice, 1024, wm_proc_regs_read);
 684                 entry->mode |= S_IWUSR;
 685                 entry->c.text.write_size = 1024;
 686                 entry->c.text.write = wm_proc_regs_write;
 687         }
 688 }
 689
 690 static void cs_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 691 {
 692         struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
 693         int reg, val;
 694
 695         mutex_lock(&ice->gpio_mutex);
 696         for (reg = 0; reg <= 0x26; reg++) {
 697                 val = spi_read(ice, CS_DEV, reg);
 698                 snd_iprintf(buffer, "%02x = %02x\n", reg, val);
 699         }
 700         val = spi_read(ice, CS_DEV, 0x7f);
 701         snd_iprintf(buffer, "%02x = %02x\n", 0x7f, val);
 702         mutex_unlock(&ice->gpio_mutex);
 703 }
 704
 705 static void cs_proc_init(struct snd_ice1712 *ice)
 706 {
 707         struct snd_info_entry *entry;
 708         if (! snd_card_proc_new(ice->card, "cs_codec", &entry)) {
 709                 snd_info_set_text_ops(entry, ice, 1024, cs_proc_regs_read);
 710         }
 711 }
 712
 713
 714 static int __devinit pontis_add_controls(struct snd_ice1712 *ice)
 715 {
 716         unsigned int i;
 717         int err;
 718
 719         for (i = 0; i < ARRAY_SIZE(pontis_controls); i++) {
 720                 err = snd_ctl_add(ice->card, snd_ctl_new1(&pontis_controls[i], ice));
 721                 if (err < 0)
 722                         return err;
 723         }
 724
 725         wm_proc_init(ice);
 726         cs_proc_init(ice);
 727
 728         return 0;
 729 }
 730
 731
 732 /*
 733  * initialize the chip
 734  */
 735 static int __devinit pontis_init(struct snd_ice1712 *ice)
 736 {
 737         static unsigned short wm_inits[] = {
 738                 /* These come first to reduce init pop noise */
 739                 WM_ADC_MUX,     0x00c0, /* ADC mute */
 740                 WM_DAC_MUTE,    0x0001, /* DAC softmute */
 741                 WM_DAC_CTRL1,   0x0000, /* DAC mute */
 742
 743                 WM_POWERDOWN,   0x0008, /* All power-up except HP */
 744                 WM_RESET,       0x0000, /* reset */
 745         };
 746         static unsigned short wm_inits2[] = {
 747                 WM_MASTER_CTRL, 0x0022, /* 256fs, slave mode */
 748                 WM_DAC_INT,     0x0022, /* I2S, normal polarity, 24bit */
 749                 WM_ADC_INT,     0x0022, /* I2S, normal polarity, 24bit */
 750                 WM_DAC_CTRL1,   0x0090, /* DAC L/R */
 751                 WM_OUT_MUX,     0x0001, /* OUT DAC */
 752                 WM_HP_ATTEN_L,  0x0179, /* HP 0dB */
 753                 WM_HP_ATTEN_R,  0x0179, /* HP 0dB */
 754                 WM_DAC_ATTEN_L, 0x0000, /* DAC 0dB */
 755                 WM_DAC_ATTEN_L, 0x0100, /* DAC 0dB */
 756                 WM_DAC_ATTEN_R, 0x0000, /* DAC 0dB */
 757                 WM_DAC_ATTEN_R, 0x0100, /* DAC 0dB */
 758                 // WM_DAC_MASTER,       0x0100, /* DAC master muted */
 759                 WM_PHASE_SWAP,  0x0000, /* phase normal */
 760                 WM_DAC_CTRL2,   0x0000, /* no deemphasis, no ZFLG */
 761                 WM_ADC_ATTEN_L, 0x0000, /* ADC muted */
 762                 WM_ADC_ATTEN_R, 0x0000, /* ADC muted */
 763 #if 0
 764                 WM_ALC_CTRL1,   0x007b, /* */
 765                 WM_ALC_CTRL2,   0x0000, /* */
 766                 WM_ALC_CTRL3,   0x0000, /* */
 767                 WM_NOISE_GATE,  0x0000, /* */
 768 #endif
 769                 WM_DAC_MUTE,    0x0000, /* DAC unmute */
 770                 WM_ADC_MUX,     0x0003, /* ADC unmute, both CD/Line On */
 771         };
 772         static unsigned char cs_inits[] = {
 773                 0x04,   0x80,   /* RUN, RXP0 */
 774                 0x05,   0x05,   /* slave, 24bit */
 775                 0x01,   0x00,
 776                 0x02,   0x00,
 777                 0x03,   0x00,
 778         };
 779         unsigned int i;
 780
 781         ice->vt1720 = 1;
 782         ice->num_total_dacs = 2;
 783         ice->num_total_adcs = 2;
 784
 785         /* to remeber the register values */
 786         ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
 787         if (! ice->akm)
 788                 return -ENOMEM;
 789         ice->akm_codecs = 1;
 790
 791         /* HACK - use this as the SPDIF source.
 792          * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
 793          */
 794         ice->gpio.saved[0] = 0;
 795
 796         /* initialize WM8776 codec */
 797         for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
 798                 wm_put(ice, wm_inits[i], wm_inits[i+1]);
 799         schedule_timeout_uninterruptible(1);
 800         for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2)
 801                 wm_put(ice, wm_inits2[i], wm_inits2[i+1]);
 802
 803         /* initialize CS8416 codec */
 804         /* assert PRST#; MT05 bit 7 */
 805         outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
 806         mdelay(5);
 807         /* deassert PRST# */
 808         outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
 809
 810         for (i = 0; i < ARRAY_SIZE(cs_inits); i += 2)
 811                 spi_write(ice, CS_DEV, cs_inits[i], cs_inits[i+1]);
 812
 813         return 0;
 814 }
 815
 816
 817 /*
 818  * Pontis boards don't provide the EEPROM data at all.
 819  * hence the driver needs to sets up it properly.
 820  */
 821
 822 static unsigned char pontis_eeprom[] __devinitdata = {
 823         0x08,   /* SYSCONF: clock 256, mpu401, spdif-in/ADC, 1DAC */
 824         0x80,   /* ACLINK: I2S */
 825         0xf8,   /* I2S: vol, 96k, 24bit, 192k */
 826         0xc3,   /* SPDIF: out-en, out-int, spdif-in */
 827         0x07,   /* GPIO_DIR */
 828         0x00,   /* GPIO_DIR1 */
 829         0x00,   /* GPIO_DIR2 (ignored) */
 830         0x0f,   /* GPIO_MASK (4-7 reserved for CS8416) */
 831         0xff,   /* GPIO_MASK1 */
 832         0x00,   /* GPIO_MASK2 (ignored) */
 833         0x06,   /* GPIO_STATE (0-low, 1-high, 2-high) */
 834         0x00,   /* GPIO_STATE1 */
 835         0x00,   /* GPIO_STATE2 (ignored) */
 836 };
 837
 838 /* entry point */
 839 struct snd_ice1712_card_info snd_vt1720_pontis_cards[] __devinitdata = {
 840         {
 841                 .subvendor = VT1720_SUBDEVICE_PONTIS_MS300,
 842                 .name = "Pontis MS300",
 843                 .model = "ms300",
 844                 .chip_init = pontis_init,
 845                 .build_controls = pontis_add_controls,
 846                 .eeprom_size = sizeof(pontis_eeprom),
 847                 .eeprom_data = pontis_eeprom,
 848         },
 849         { } /* terminator */
 850 };