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 <sound/core.h>
  31 #include <sound/info.h>
  32
  33 #include "ice1712.h"
  34 #include "envy24ht.h"
  35 #include "pontis.h"
  36
  37 /* I2C addresses */
  38 #define WM_DEV          0x34
  39 #define CS_DEV          0x20
  40
  41 /* WM8776 registers */
  42 #define WM_HP_ATTEN_L           0x00    /* headphone left attenuation */
  43 #define WM_HP_ATTEN_R           0x01    /* headphone left attenuation */
  44 #define WM_HP_MASTER            0x02    /* headphone master (both channels), override LLR */
  45 #define WM_DAC_ATTEN_L          0x03    /* digital left attenuation */
  46 #define WM_DAC_ATTEN_R          0x04
  47 #define WM_DAC_MASTER           0x05
  48 #define WM_PHASE_SWAP           0x06    /* DAC phase swap */
  49 #define WM_DAC_CTRL1            0x07
  50 #define WM_DAC_MUTE             0x08
  51 #define WM_DAC_CTRL2            0x09
  52 #define WM_DAC_INT              0x0a
  53 #define WM_ADC_INT              0x0b
  54 #define WM_MASTER_CTRL          0x0c
  55 #define WM_POWERDOWN            0x0d
  56 #define WM_ADC_ATTEN_L          0x0e
  57 #define WM_ADC_ATTEN_R          0x0f
  58 #define WM_ALC_CTRL1            0x10
  59 #define WM_ALC_CTRL2            0x11
  60 #define WM_ALC_CTRL3            0x12
  61 #define WM_NOISE_GATE           0x13
  62 #define WM_LIMITER              0x14
  63 #define WM_ADC_MUX              0x15
  64 #define WM_OUT_MUX              0x16
  65 #define WM_RESET                0x17
  66
  67 /*
  68  * GPIO
  69  */
  70 #define PONTIS_CS_CS            (1<<4)  /* CS */
  71 #define PONTIS_CS_CLK           (1<<5)  /* CLK */
  72 #define PONTIS_CS_RDATA         (1<<6)  /* CS8416 -> VT1720 */
  73 #define PONTIS_CS_WDATA         (1<<7)  /* VT1720 -> CS8416 */
  74
  75
  76 /*
  77  * get the current register value of WM codec
  78  */
  79 static unsigned short wm_get(ice1712_t *ice, int reg)
  80 {
  81         reg <<= 1;
  82         return ((unsigned short)ice->akm[0].images[reg] << 8) |
  83                 ice->akm[0].images[reg + 1];
  84 }
  85
  86 /*
  87  * set the register value of WM codec and remember it
  88  */
  89 static void wm_put_nocache(ice1712_t *ice, int reg, unsigned short val)
  90 {
  91         unsigned short cval;
  92         cval = (reg << 9) | val;
  93         snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
  94 }
  95
  96 static void wm_put(ice1712_t *ice, int reg, unsigned short val)
  97 {
  98         wm_put_nocache(ice, reg, val);
  99         reg <<= 1;
 100         ice->akm[0].images[reg] = val >> 8;
 101         ice->akm[0].images[reg + 1] = val;
 102 }
 103
 104 /*
 105  * DAC volume attenuation mixer control (-64dB to 0dB)
 106  */
 107
 108 #define DAC_0dB 0xff
 109 #define DAC_RES 128
 110 #define DAC_MIN (DAC_0dB - DAC_RES)
 111
 112 static int wm_dac_vol_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 113 {
 114         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 115         uinfo->count = 2;
 116         uinfo->value.integer.min = 0;   /* mute */
 117         uinfo->value.integer.max = DAC_RES;     /* 0dB, 0.5dB step */
 118         return 0;
 119 }
 120
 121 static int wm_dac_vol_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 122 {
 123         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 124         unsigned short val;
 125         int i;
 126
 127         down(&ice->gpio_mutex);
 128         for (i = 0; i < 2; i++) {
 129                 val = wm_get(ice, WM_DAC_ATTEN_L + i) & 0xff;
 130                 val = val > DAC_MIN ? (val - DAC_MIN) : 0;
 131                 ucontrol->value.integer.value[i] = val;
 132         }
 133         up(&ice->gpio_mutex);
 134         return 0;
 135 }
 136
 137 static int wm_dac_vol_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 138 {
 139         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 140         unsigned short oval, nval;
 141         int i, idx, change = 0;
 142
 143         down(&ice->gpio_mutex);
 144         for (i = 0; i < 2; i++) {
 145                 nval = ucontrol->value.integer.value[i];
 146                 nval = (nval ? (nval + DAC_MIN) : 0) & 0xff;
 147                 idx = WM_DAC_ATTEN_L + i;
 148                 oval = wm_get(ice, idx) & 0xff;
 149                 if (oval != nval) {
 150                         wm_put(ice, idx, nval);
 151                         wm_put_nocache(ice, idx, nval | 0x100);
 152                         change = 1;
 153                 }
 154         }
 155         up(&ice->gpio_mutex);
 156         return change;
 157 }
 158
 159 /*
 160  * ADC gain mixer control (-64dB to 0dB)
 161  */
 162
 163 #define ADC_0dB 0xcf
 164 #define ADC_RES 128
 165 #define ADC_MIN (ADC_0dB - ADC_RES)
 166
 167 static int wm_adc_vol_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 168 {
 169         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 170         uinfo->count = 2;
 171         uinfo->value.integer.min = 0;   /* mute (-64dB) */
 172         uinfo->value.integer.max = ADC_RES;     /* 0dB, 0.5dB step */
 173         return 0;
 174 }
 175
 176 static int wm_adc_vol_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 177 {
 178         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 179         unsigned short val;
 180         int i;
 181
 182         down(&ice->gpio_mutex);
 183         for (i = 0; i < 2; i++) {
 184                 val = wm_get(ice, WM_ADC_ATTEN_L + i) & 0xff;
 185                 val = val > ADC_MIN ? (val - ADC_MIN) : 0;
 186                 ucontrol->value.integer.value[i] = val;
 187         }
 188         up(&ice->gpio_mutex);
 189         return 0;
 190 }
 191
 192 static int wm_adc_vol_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 193 {
 194         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 195         unsigned short ovol, nvol;
 196         int i, idx, change = 0;
 197
 198         down(&ice->gpio_mutex);
 199         for (i = 0; i < 2; i++) {
 200                 nvol = ucontrol->value.integer.value[i];
 201                 nvol = nvol ? (nvol + ADC_MIN) : 0;
 202                 idx  = WM_ADC_ATTEN_L + i;
 203                 ovol = wm_get(ice, idx) & 0xff;
 204                 if (ovol != nvol) {
 205                         wm_put(ice, idx, nvol);
 206                         change = 1;
 207                 }
 208         }
 209         up(&ice->gpio_mutex);
 210         return change;
 211 }
 212
 213 /*
 214  * ADC input mux mixer control
 215  */
 216 static int wm_adc_mux_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 217 {
 218         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 219         uinfo->count = 1;
 220         uinfo->value.integer.min = 0;
 221         uinfo->value.integer.max = 1;
 222         return 0;
 223 }
 224
 225 static int wm_adc_mux_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 226 {
 227         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 228         int bit = kcontrol->private_value;
 229
 230         down(&ice->gpio_mutex);
 231         ucontrol->value.integer.value[0] = (wm_get(ice, WM_ADC_MUX) & (1 << bit)) ? 1 : 0;
 232         up(&ice->gpio_mutex);
 233         return 0;
 234 }
 235
 236 static int wm_adc_mux_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 237 {
 238         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 239         int bit = kcontrol->private_value;
 240         unsigned short oval, nval;
 241         int change;
 242
 243         down(&ice->gpio_mutex);
 244         nval = oval = wm_get(ice, WM_ADC_MUX);
 245         if (ucontrol->value.integer.value[0])
 246                 nval |= (1 << bit);
 247         else
 248                 nval &= ~(1 << bit);
 249         change = nval != oval;
 250         if (change) {
 251                 wm_put(ice, WM_ADC_MUX, nval);
 252         }
 253         up(&ice->gpio_mutex);
 254         return 0;
 255 }
 256
 257 /*
 258  * Analog bypass (In -> Out)
 259  */
 260 static int wm_bypass_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 261 {
 262         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 263         uinfo->count = 1;
 264         uinfo->value.integer.min = 0;
 265         uinfo->value.integer.max = 1;
 266         return 0;
 267 }
 268
 269 static int wm_bypass_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 270 {
 271         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 272
 273         down(&ice->gpio_mutex);
 274         ucontrol->value.integer.value[0] = (wm_get(ice, WM_OUT_MUX) & 0x04) ? 1 : 0;
 275         up(&ice->gpio_mutex);
 276         return 0;
 277 }
 278
 279 static int wm_bypass_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 280 {
 281         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 282         unsigned short val, oval;
 283         int change = 0;
 284
 285         down(&ice->gpio_mutex);
 286         val = oval = wm_get(ice, WM_OUT_MUX);
 287         if (ucontrol->value.integer.value[0])
 288                 val |= 0x04;
 289         else
 290                 val &= ~0x04;
 291         if (val != oval) {
 292                 wm_put(ice, WM_OUT_MUX, val);
 293                 change = 1;
 294         }
 295         up(&ice->gpio_mutex);
 296         return change;
 297 }
 298
 299 /*
 300  * Left/Right swap
 301  */
 302 static int wm_chswap_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 303 {
 304         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 305         uinfo->count = 1;
 306         uinfo->value.integer.min = 0;
 307         uinfo->value.integer.max = 1;
 308         return 0;
 309 }
 310
 311 static int wm_chswap_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 312 {
 313         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 314
 315         down(&ice->gpio_mutex);
 316         ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL1) & 0xf0) != 0x90;
 317         up(&ice->gpio_mutex);
 318         return 0;
 319 }
 320
 321 static int wm_chswap_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 322 {
 323         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 324         unsigned short val, oval;
 325         int change = 0;
 326
 327         down(&ice->gpio_mutex);
 328         oval = wm_get(ice, WM_DAC_CTRL1);
 329         val = oval & 0x0f;
 330         if (ucontrol->value.integer.value[0])
 331                 val |= 0x60;
 332         else
 333                 val |= 0x90;
 334         if (val != oval) {
 335                 wm_put(ice, WM_DAC_CTRL1, val);
 336                 wm_put_nocache(ice, WM_DAC_CTRL1, val);
 337                 change = 1;
 338         }
 339         up(&ice->gpio_mutex);
 340         return change;
 341 }
 342
 343 /*
 344  * write data in the SPI mode
 345  */
 346 static void set_gpio_bit(ice1712_t *ice, unsigned int bit, int val)
 347 {
 348         unsigned int tmp = snd_ice1712_gpio_read(ice);
 349         if (val)
 350                 tmp |= bit;
 351         else
 352                 tmp &= ~bit;
 353         snd_ice1712_gpio_write(ice, tmp);
 354 }
 355
 356 static void spi_send_byte(ice1712_t *ice, unsigned char data)
 357 {
 358         int i;
 359         for (i = 0; i < 8; i++) {
 360                 set_gpio_bit(ice, PONTIS_CS_CLK, 0);
 361                 udelay(1);
 362                 set_gpio_bit(ice, PONTIS_CS_WDATA, data & 0x80);
 363                 udelay(1);
 364                 set_gpio_bit(ice, PONTIS_CS_CLK, 1);
 365                 udelay(1);
 366                 data <<= 1;
 367         }
 368 }
 369
 370 static unsigned int spi_read_byte(ice1712_t *ice)
 371 {
 372         int i;
 373         unsigned int val = 0;
 374
 375         for (i = 0; i < 8; i++) {
 376                 val <<= 1;
 377                 set_gpio_bit(ice, PONTIS_CS_CLK, 0);
 378                 udelay(1);
 379                 if (snd_ice1712_gpio_read(ice) & PONTIS_CS_RDATA)
 380                         val |= 1;
 381                 udelay(1);
 382                 set_gpio_bit(ice, PONTIS_CS_CLK, 1);
 383                 udelay(1);
 384         }
 385         return val;
 386 }
 387
 388
 389 static void spi_write(ice1712_t *ice, unsigned int dev, unsigned int reg, unsigned int data)
 390 {
 391         snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
 392         snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
 393         set_gpio_bit(ice, PONTIS_CS_CS, 0);
 394         spi_send_byte(ice, dev & ~1); /* WRITE */
 395         spi_send_byte(ice, reg); /* MAP */
 396         spi_send_byte(ice, data); /* DATA */
 397         /* trigger */
 398         set_gpio_bit(ice, PONTIS_CS_CS, 1);
 399         udelay(1);
 400         /* restore */
 401         snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 402         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 403 }
 404
 405 static unsigned int spi_read(ice1712_t *ice, unsigned int dev, unsigned int reg)
 406 {
 407         unsigned int val;
 408         snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
 409         snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
 410         set_gpio_bit(ice, PONTIS_CS_CS, 0);
 411         spi_send_byte(ice, dev & ~1); /* WRITE */
 412         spi_send_byte(ice, reg); /* MAP */
 413         /* trigger */
 414         set_gpio_bit(ice, PONTIS_CS_CS, 1);
 415         udelay(1);
 416         set_gpio_bit(ice, PONTIS_CS_CS, 0);
 417         spi_send_byte(ice, dev | 1); /* READ */
 418         val = spi_read_byte(ice);
 419         /* trigger */
 420         set_gpio_bit(ice, PONTIS_CS_CS, 1);
 421         udelay(1);
 422         /* restore */
 423         snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 424         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 425         return val;
 426 }
 427
 428
 429 /*
 430  * SPDIF input source
 431  */
 432 static int cs_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 433 {
 434         static char *texts[] = {
 435                 "Coax",         /* RXP0 */
 436                 "Optical",      /* RXP1 */
 437                 "CD",           /* RXP2 */
 438         };
 439         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 440         uinfo->count = 1;
 441         uinfo->value.enumerated.items = 3;
 442         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 443                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
 444         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 445         return 0;
 446 }
 447
 448 static int cs_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 449 {
 450         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 451
 452         down(&ice->gpio_mutex);
 453         ucontrol->value.enumerated.item[0] = ice->gpio.saved[0];
 454         up(&ice->gpio_mutex);
 455         return 0;
 456 }
 457
 458 static int cs_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 459 {
 460         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 461         unsigned char val;
 462         int change = 0;
 463
 464         down(&ice->gpio_mutex);
 465         if (ucontrol->value.enumerated.item[0] != ice->gpio.saved[0]) {
 466                 ice->gpio.saved[0] = ucontrol->value.enumerated.item[0] & 3;
 467                 val = 0x80 | (ice->gpio.saved[0] << 3);
 468                 spi_write(ice, CS_DEV, 0x04, val);
 469                 change = 1;
 470         }
 471         up(&ice->gpio_mutex);
 472         return 0;
 473 }
 474
 475
 476 /*
 477  * GPIO controls
 478  */
 479 static int pontis_gpio_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 480 {
 481         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 482         uinfo->count = 1;
 483         uinfo->value.integer.min = 0;
 484         uinfo->value.integer.max = 0xffff; /* 16bit */
 485         return 0;
 486 }
 487
 488 static int pontis_gpio_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 489 {
 490         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 491         down(&ice->gpio_mutex);
 492         /* 4-7 reserved */
 493         ucontrol->value.integer.value[0] = (~ice->gpio.write_mask & 0xffff) | 0x00f0;
 494         up(&ice->gpio_mutex);
 495         return 0;
 496 }
 497
 498 static int pontis_gpio_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 499 {
 500         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 501         unsigned int val;
 502         int changed;
 503         down(&ice->gpio_mutex);
 504         /* 4-7 reserved */
 505         val = (~ucontrol->value.integer.value[0] & 0xffff) | 0x00f0;
 506         changed = val != ice->gpio.write_mask;
 507         ice->gpio.write_mask = val;
 508         up(&ice->gpio_mutex);
 509         return changed;
 510 }
 511
 512 static int pontis_gpio_dir_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 513 {
 514         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 515         down(&ice->gpio_mutex);
 516         /* 4-7 reserved */
 517         ucontrol->value.integer.value[0] = ice->gpio.direction & 0xff0f;
 518         up(&ice->gpio_mutex);
 519         return 0;
 520 }
 521
 522 static int pontis_gpio_dir_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 523 {
 524         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 525         unsigned int val;
 526         int changed;
 527         down(&ice->gpio_mutex);
 528         /* 4-7 reserved */
 529         val = ucontrol->value.integer.value[0] & 0xff0f;
 530         changed = (val != ice->gpio.direction);
 531         ice->gpio.direction = val;
 532         up(&ice->gpio_mutex);
 533         return changed;
 534 }
 535
 536 static int pontis_gpio_data_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 537 {
 538         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 539         down(&ice->gpio_mutex);
 540         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 541         snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 542         ucontrol->value.integer.value[0] = snd_ice1712_gpio_read(ice) & 0xffff;
 543         up(&ice->gpio_mutex);
 544         return 0;
 545 }
 546
 547 static int pontis_gpio_data_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 548 {
 549         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 550         unsigned int val, nval;
 551         int changed = 0;
 552         down(&ice->gpio_mutex);
 553         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 554         snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 555         val = snd_ice1712_gpio_read(ice) & 0xffff;
 556         nval = ucontrol->value.integer.value[0] & 0xffff;
 557         if (val != nval) {
 558                 snd_ice1712_gpio_write(ice, nval);
 559                 changed = 1;
 560         }
 561         up(&ice->gpio_mutex);
 562         return changed;
 563 }
 564
 565 /*
 566  * mixers
 567  */
 568
 569 static snd_kcontrol_new_t pontis_controls[] __devinitdata = {
 570         {
 571                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 572                 .name = "PCM Playback Volume",
 573                 .info = wm_dac_vol_info,
 574                 .get = wm_dac_vol_get,
 575                 .put = wm_dac_vol_put,
 576         },
 577         {
 578                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 579                 .name = "Capture Volume",
 580                 .info = wm_adc_vol_info,
 581                 .get = wm_adc_vol_get,
 582                 .put = wm_adc_vol_put,
 583         },
 584         {
 585                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 586                 .name = "CD Capture Switch",
 587                 .info = wm_adc_mux_info,
 588                 .get = wm_adc_mux_get,
 589                 .put = wm_adc_mux_put,
 590                 .private_value = 0,
 591         },
 592         {
 593                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 594                 .name = "Line Capture Switch",
 595                 .info = wm_adc_mux_info,
 596                 .get = wm_adc_mux_get,
 597                 .put = wm_adc_mux_put,
 598                 .private_value = 1,
 599         },
 600         {
 601                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 602                 .name = "Analog Bypass Switch",
 603                 .info = wm_bypass_info,
 604                 .get = wm_bypass_get,
 605                 .put = wm_bypass_put,
 606         },
 607         {
 608                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 609                 .name = "Swap Output Channels",
 610                 .info = wm_chswap_info,
 611                 .get = wm_chswap_get,
 612                 .put = wm_chswap_put,
 613         },
 614         {
 615                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 616                 .name = "IEC958 Input Source",
 617                 .info = cs_source_info,
 618                 .get = cs_source_get,
 619                 .put = cs_source_put,
 620         },
 621         /* FIXME: which interface? */
 622         {
 623                 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 624                 .name = "GPIO Mask",
 625                 .info = pontis_gpio_mask_info,
 626                 .get = pontis_gpio_mask_get,
 627                 .put = pontis_gpio_mask_put,
 628         },
 629         {
 630                 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 631                 .name = "GPIO Direction",
 632                 .info = pontis_gpio_mask_info,
 633                 .get = pontis_gpio_dir_get,
 634                 .put = pontis_gpio_dir_put,
 635         },
 636         {
 637                 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 638                 .name = "GPIO Data",
 639                 .info = pontis_gpio_mask_info,
 640                 .get = pontis_gpio_data_get,
 641                 .put = pontis_gpio_data_put,
 642         },
 643 };
 644
 645
 646 /*
 647  * WM codec registers
 648  */
 649 static void wm_proc_regs_write(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
 650 {
 651         ice1712_t *ice = (ice1712_t *)entry->private_data;
 652         char line[64];
 653         unsigned int reg, val;
 654         down(&ice->gpio_mutex);
 655         while (!snd_info_get_line(buffer, line, sizeof(line))) {
 656                 if (sscanf(line, "%x %x", &reg, &val) != 2)
 657                         continue;
 658                 if (reg <= 0x17 && val <= 0xffff)
 659                         wm_put(ice, reg, val);
 660         }
 661         up(&ice->gpio_mutex);
 662 }
 663
 664 static void wm_proc_regs_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
 665 {
 666         ice1712_t *ice = (ice1712_t *)entry->private_data;
 667         int reg, val;
 668
 669         down(&ice->gpio_mutex);
 670         for (reg = 0; reg <= 0x17; reg++) {
 671                 val = wm_get(ice, reg);
 672                 snd_iprintf(buffer, "%02x = %04x\n", reg, val);
 673         }
 674         up(&ice->gpio_mutex);
 675 }
 676
 677 static void wm_proc_init(ice1712_t *ice)
 678 {
 679         snd_info_entry_t *entry;
 680         if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) {
 681                 snd_info_set_text_ops(entry, ice, 1024, wm_proc_regs_read);
 682                 entry->mode |= S_IWUSR;
 683                 entry->c.text.write_size = 1024;
 684                 entry->c.text.write = wm_proc_regs_write;
 685         }
 686 }
 687
 688 static void cs_proc_regs_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
 689 {
 690         ice1712_t *ice = (ice1712_t *)entry->private_data;
 691         int reg, val;
 692
 693         down(&ice->gpio_mutex);
 694         for (reg = 0; reg <= 0x26; reg++) {
 695                 val = spi_read(ice, CS_DEV, reg);
 696                 snd_iprintf(buffer, "%02x = %02x\n", reg, val);
 697         }
 698         val = spi_read(ice, CS_DEV, 0x7f);
 699         snd_iprintf(buffer, "%02x = %02x\n", 0x7f, val);
 700         up(&ice->gpio_mutex);
 701 }
 702
 703 static void cs_proc_init(ice1712_t *ice)
 704 {
 705         snd_info_entry_t *entry;
 706         if (! snd_card_proc_new(ice->card, "cs_codec", &entry)) {
 707                 snd_info_set_text_ops(entry, ice, 1024, cs_proc_regs_read);
 708         }
 709 }
 710
 711
 712 static int __devinit pontis_add_controls(ice1712_t *ice)
 713 {
 714         unsigned int i;
 715         int err;
 716
 717         for (i = 0; i < ARRAY_SIZE(pontis_controls); i++) {
 718                 err = snd_ctl_add(ice->card, snd_ctl_new1(&pontis_controls[i], ice));
 719                 if (err < 0)
 720                         return err;
 721         }
 722
 723         wm_proc_init(ice);
 724         cs_proc_init(ice);
 725
 726         return 0;
 727 }
 728
 729
 730 /*
 731  * initialize the chip
 732  */
 733 static int __devinit pontis_init(ice1712_t *ice)
 734 {
 735         static unsigned short wm_inits[] = {
 736                 /* These come first to reduce init pop noise */
 737                 WM_ADC_MUX,     0x00c0, /* ADC mute */
 738                 WM_DAC_MUTE,    0x0001, /* DAC softmute */
 739                 WM_DAC_CTRL1,   0x0000, /* DAC mute */
 740
 741                 WM_POWERDOWN,   0x0008, /* All power-up except HP */
 742                 WM_RESET,       0x0000, /* reset */
 743         };
 744         static unsigned short wm_inits2[] = {
 745                 WM_MASTER_CTRL, 0x0022, /* 256fs, slave mode */
 746                 WM_DAC_INT,     0x0022, /* I2S, normal polarity, 24bit */
 747                 WM_ADC_INT,     0x0022, /* I2S, normal polarity, 24bit */
 748                 WM_DAC_CTRL1,   0x0090, /* DAC L/R */
 749                 WM_OUT_MUX,     0x0001, /* OUT DAC */
 750                 WM_HP_ATTEN_L,  0x0179, /* HP 0dB */
 751                 WM_HP_ATTEN_R,  0x0179, /* HP 0dB */
 752                 WM_DAC_ATTEN_L, 0x0000, /* DAC 0dB */
 753                 WM_DAC_ATTEN_L, 0x0100, /* DAC 0dB */
 754                 WM_DAC_ATTEN_R, 0x0000, /* DAC 0dB */
 755                 WM_DAC_ATTEN_R, 0x0100, /* DAC 0dB */
 756                 // WM_DAC_MASTER,       0x0100, /* DAC master muted */
 757                 WM_PHASE_SWAP,  0x0000, /* phase normal */
 758                 WM_DAC_CTRL2,   0x0000, /* no deemphasis, no ZFLG */
 759                 WM_ADC_ATTEN_L, 0x0000, /* ADC muted */
 760                 WM_ADC_ATTEN_R, 0x0000, /* ADC muted */
 761 #if 0
 762                 WM_ALC_CTRL1,   0x007b, /* */
 763                 WM_ALC_CTRL2,   0x0000, /* */
 764                 WM_ALC_CTRL3,   0x0000, /* */
 765                 WM_NOISE_GATE,  0x0000, /* */
 766 #endif
 767                 WM_DAC_MUTE,    0x0000, /* DAC unmute */
 768                 WM_ADC_MUX,     0x0003, /* ADC unmute, both CD/Line On */
 769         };
 770         static unsigned char cs_inits[] = {
 771                 0x04,   0x80,   /* RUN, RXP0 */
 772                 0x05,   0x05,   /* slave, 24bit */
 773                 0x01,   0x00,
 774                 0x02,   0x00,
 775                 0x03,   0x00,
 776         };
 777         unsigned int i;
 778
 779         ice->vt1720 = 1;
 780         ice->num_total_dacs = 2;
 781         ice->num_total_adcs = 2;
 782
 783         /* to remeber the register values */
 784         ice->akm = kzalloc(sizeof(akm4xxx_t), GFP_KERNEL);
 785         if (! ice->akm)
 786                 return -ENOMEM;
 787         ice->akm_codecs = 1;
 788
 789         /* HACK - use this as the SPDIF source.
 790          * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
 791          */
 792         ice->gpio.saved[0] = 0;
 793
 794         /* initialize WM8776 codec */
 795         for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
 796                 wm_put(ice, wm_inits[i], wm_inits[i+1]);
 797         set_current_state(TASK_UNINTERRUPTIBLE);
 798         schedule_timeout(1);
 799         for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2)
 800                 wm_put(ice, wm_inits2[i], wm_inits2[i+1]);
 801
 802         /* initialize CS8416 codec */
 803         /* assert PRST#; MT05 bit 7 */
 804         outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
 805         mdelay(5);
 806         /* deassert PRST# */
 807         outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
 808
 809         for (i = 0; i < ARRAY_SIZE(cs_inits); i += 2)
 810                 spi_write(ice, CS_DEV, cs_inits[i], cs_inits[i+1]);
 811
 812         return 0;
 813 }
 814
 815
 816 /*
 817  * Pontis boards don't provide the EEPROM data at all.
 818  * hence the driver needs to sets up it properly.
 819  */
 820
 821 static unsigned char pontis_eeprom[] __devinitdata = {
 822         0x08,   /* SYSCONF: clock 256, mpu401, spdif-in/ADC, 1DAC */
 823         0x80,   /* ACLINK: I2S */
 824         0xf8,   /* I2S: vol, 96k, 24bit, 192k */
 825         0xc3,   /* SPDIF: out-en, out-int, spdif-in */
 826         0x07,   /* GPIO_DIR */
 827         0x00,   /* GPIO_DIR1 */
 828         0x00,   /* GPIO_DIR2 (ignored) */
 829         0x0f,   /* GPIO_MASK (4-7 reserved for CS8416) */
 830         0xff,   /* GPIO_MASK1 */
 831         0x00,   /* GPIO_MASK2 (ignored) */
 832         0x06,   /* GPIO_STATE (0-low, 1-high, 2-high) */
 833         0x00,   /* GPIO_STATE1 */
 834         0x00,   /* GPIO_STATE2 (ignored) */
 835 };
 836
 837 /* entry point */
 838 struct snd_ice1712_card_info snd_vt1720_pontis_cards[] __devinitdata = {
 839         {
 840                 .subvendor = VT1720_SUBDEVICE_PONTIS_MS300,
 841                 .name = "Pontis MS300",
 842                 .model = "ms300",
 843                 .chip_init = pontis_init,
 844                 .build_controls = pontis_add_controls,
 845                 .eeprom_size = sizeof(pontis_eeprom),
 846                 .eeprom_data = pontis_eeprom,
 847         },
 848         { } /* terminator */
 849 };