LXR linux/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 <linux/delay.h>
  25#include <linux/interrupt.h>
  26#include <linux/init.h>
  27#include <linux/slab.h>
  28#include <linux/mutex.h>
  29
  30#include <sound/core.h>
  31#include <sound/info.h>
  32#include <sound/tlv.h>
  33
  34#include "ice1712.h"
  35#include "envy24ht.h"
  36#include "pontis.h"
  37
  38/* I2C addresses */
  39#define WM_DEV          0x34
  40#define CS_DEV          0x20
  41
  42/* WM8776 registers */
  43#define WM_HP_ATTEN_L           0x00    /* headphone left attenuation */
  44#define WM_HP_ATTEN_R           0x01    /* headphone left attenuation */
  45#define WM_HP_MASTER            0x02    /* headphone master (both channels) */
  46                                        /* 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 */
  81static 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 */
  91static 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
  98static 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
 114static 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
 123static 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
 139static 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
 169static 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
 178static 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
 194static 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
 220static 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
 231static 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
 257static 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
 267static 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
 292static 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
 302static 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 */
 327static 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
 337static 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
 351static 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
 370static 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
 386static 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 */
 413static 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        return snd_ctl_enum_info(uinfo, 1, 3, texts);
 421}
 422
 423static int cs_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 424{
 425        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 426
 427        mutex_lock(&ice->gpio_mutex);
 428        ucontrol->value.enumerated.item[0] = ice->gpio.saved[0];
 429        mutex_unlock(&ice->gpio_mutex);
 430        return 0;
 431}
 432
 433static int cs_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 434{
 435        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 436        unsigned char val;
 437        int change = 0;
 438
 439        mutex_lock(&ice->gpio_mutex);
 440        if (ucontrol->value.enumerated.item[0] != ice->gpio.saved[0]) {
 441                ice->gpio.saved[0] = ucontrol->value.enumerated.item[0] & 3;
 442                val = 0x80 | (ice->gpio.saved[0] << 3);
 443                spi_write(ice, CS_DEV, 0x04, val);
 444                change = 1;
 445        }
 446        mutex_unlock(&ice->gpio_mutex);
 447        return change;
 448}
 449
 450
 451/*
 452 * GPIO controls
 453 */
 454static int pontis_gpio_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 455{
 456        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 457        uinfo->count = 1;
 458        uinfo->value.integer.min = 0;
 459        uinfo->value.integer.max = 0xffff; /* 16bit */
 460        return 0;
 461}
 462
 463static int pontis_gpio_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 464{
 465        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 466        mutex_lock(&ice->gpio_mutex);
 467        /* 4-7 reserved */
 468        ucontrol->value.integer.value[0] = (~ice->gpio.write_mask & 0xffff) | 0x00f0;
 469        mutex_unlock(&ice->gpio_mutex);
 470        return 0;
 471}
 472        
 473static int pontis_gpio_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 474{
 475        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 476        unsigned int val;
 477        int changed;
 478        mutex_lock(&ice->gpio_mutex);
 479        /* 4-7 reserved */
 480        val = (~ucontrol->value.integer.value[0] & 0xffff) | 0x00f0;
 481        changed = val != ice->gpio.write_mask;
 482        ice->gpio.write_mask = val;
 483        mutex_unlock(&ice->gpio_mutex);
 484        return changed;
 485}
 486
 487static int pontis_gpio_dir_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 488{
 489        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 490        mutex_lock(&ice->gpio_mutex);
 491        /* 4-7 reserved */
 492        ucontrol->value.integer.value[0] = ice->gpio.direction & 0xff0f;
 493        mutex_unlock(&ice->gpio_mutex);
 494        return 0;
 495}
 496        
 497static int pontis_gpio_dir_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 498{
 499        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 500        unsigned int val;
 501        int changed;
 502        mutex_lock(&ice->gpio_mutex);
 503        /* 4-7 reserved */
 504        val = ucontrol->value.integer.value[0] & 0xff0f;
 505        changed = (val != ice->gpio.direction);
 506        ice->gpio.direction = val;
 507        mutex_unlock(&ice->gpio_mutex);
 508        return changed;
 509}
 510
 511static int pontis_gpio_data_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 512{
 513        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 514        mutex_lock(&ice->gpio_mutex);
 515        snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 516        snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 517        ucontrol->value.integer.value[0] = snd_ice1712_gpio_read(ice) & 0xffff;
 518        mutex_unlock(&ice->gpio_mutex);
 519        return 0;
 520}
 521
 522static int pontis_gpio_data_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 523{
 524        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 525        unsigned int val, nval;
 526        int changed = 0;
 527        mutex_lock(&ice->gpio_mutex);
 528        snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 529        snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
 530        val = snd_ice1712_gpio_read(ice) & 0xffff;
 531        nval = ucontrol->value.integer.value[0] & 0xffff;
 532        if (val != nval) {
 533                snd_ice1712_gpio_write(ice, nval);
 534                changed = 1;
 535        }
 536        mutex_unlock(&ice->gpio_mutex);
 537        return changed;
 538}
 539
 540static const DECLARE_TLV_DB_SCALE(db_scale_volume, -6400, 50, 1);
 541
 542/*
 543 * mixers
 544 */
 545
 546static struct snd_kcontrol_new pontis_controls[] = {
 547        {
 548                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 549                .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 550                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 551                .name = "PCM Playback Volume",
 552                .info = wm_dac_vol_info,
 553                .get = wm_dac_vol_get,
 554                .put = wm_dac_vol_put,
 555                .tlv = { .p = db_scale_volume },
 556        },
 557        {
 558                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 559                .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 560                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 561                .name = "Capture Volume",
 562                .info = wm_adc_vol_info,
 563                .get = wm_adc_vol_get,
 564                .put = wm_adc_vol_put,
 565                .tlv = { .p = db_scale_volume },
 566        },
 567        {
 568                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 569                .name = "CD Capture Switch",
 570                .info = wm_adc_mux_info,
 571                .get = wm_adc_mux_get,
 572                .put = wm_adc_mux_put,
 573                .private_value = 0,
 574        },
 575        {
 576                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 577                .name = "Line Capture Switch",
 578                .info = wm_adc_mux_info,
 579                .get = wm_adc_mux_get,
 580                .put = wm_adc_mux_put,
 581                .private_value = 1,
 582        },
 583        {
 584                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 585                .name = "Analog Bypass Switch",
 586                .info = wm_bypass_info,
 587                .get = wm_bypass_get,
 588                .put = wm_bypass_put,
 589        },
 590        {
 591                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 592                .name = "Swap Output Channels",
 593                .info = wm_chswap_info,
 594                .get = wm_chswap_get,
 595                .put = wm_chswap_put,
 596        },
 597        {
 598                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 599                .name = "IEC958 Input Source",
 600                .info = cs_source_info,
 601                .get = cs_source_get,
 602                .put = cs_source_put,
 603        },
 604        /* FIXME: which interface? */
 605        {
 606                .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 607                .name = "GPIO Mask",
 608                .info = pontis_gpio_mask_info,
 609                .get = pontis_gpio_mask_get,
 610                .put = pontis_gpio_mask_put,
 611        },
 612        {
 613                .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 614                .name = "GPIO Direction",
 615                .info = pontis_gpio_mask_info,
 616                .get = pontis_gpio_dir_get,
 617                .put = pontis_gpio_dir_put,
 618        },
 619        {
 620                .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 621                .name = "GPIO Data",
 622                .info = pontis_gpio_mask_info,
 623                .get = pontis_gpio_data_get,
 624                .put = pontis_gpio_data_put,
 625        },
 626};
 627
 628
 629/*
 630 * WM codec registers
 631 */
 632static void wm_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 633{
 634        struct snd_ice1712 *ice = entry->private_data;
 635        char line[64];
 636        unsigned int reg, val;
 637        mutex_lock(&ice->gpio_mutex);
 638        while (!snd_info_get_line(buffer, line, sizeof(line))) {
 639                if (sscanf(line, "%x %x", &reg, &val) != 2)
 640                        continue;
 641                if (reg <= 0x17 && val <= 0xffff)
 642                        wm_put(ice, reg, val);
 643        }
 644        mutex_unlock(&ice->gpio_mutex);
 645}
 646
 647static void wm_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 648{
 649        struct snd_ice1712 *ice = entry->private_data;
 650        int reg, val;
 651
 652        mutex_lock(&ice->gpio_mutex);
 653        for (reg = 0; reg <= 0x17; reg++) {
 654                val = wm_get(ice, reg);
 655                snd_iprintf(buffer, "%02x = %04x\n", reg, val);
 656        }
 657        mutex_unlock(&ice->gpio_mutex);
 658}
 659
 660static void wm_proc_init(struct snd_ice1712 *ice)
 661{
 662        struct snd_info_entry *entry;
 663        if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) {
 664                snd_info_set_text_ops(entry, ice, wm_proc_regs_read);
 665                entry->mode |= S_IWUSR;
 666                entry->c.text.write = wm_proc_regs_write;
 667        }
 668}
 669
 670static void cs_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 671{
 672        struct snd_ice1712 *ice = entry->private_data;
 673        int reg, val;
 674
 675        mutex_lock(&ice->gpio_mutex);
 676        for (reg = 0; reg <= 0x26; reg++) {
 677                val = spi_read(ice, CS_DEV, reg);
 678                snd_iprintf(buffer, "%02x = %02x\n", reg, val);
 679        }
 680        val = spi_read(ice, CS_DEV, 0x7f);
 681        snd_iprintf(buffer, "%02x = %02x\n", 0x7f, val);
 682        mutex_unlock(&ice->gpio_mutex);
 683}
 684
 685static void cs_proc_init(struct snd_ice1712 *ice)
 686{
 687        struct snd_info_entry *entry;
 688        if (! snd_card_proc_new(ice->card, "cs_codec", &entry))
 689                snd_info_set_text_ops(entry, ice, cs_proc_regs_read);
 690}
 691
 692
 693static int pontis_add_controls(struct snd_ice1712 *ice)
 694{
 695        unsigned int i;
 696        int err;
 697
 698        for (i = 0; i < ARRAY_SIZE(pontis_controls); i++) {
 699                err = snd_ctl_add(ice->card, snd_ctl_new1(&pontis_controls[i], ice));
 700                if (err < 0)
 701                        return err;
 702        }
 703
 704        wm_proc_init(ice);
 705        cs_proc_init(ice);
 706
 707        return 0;
 708}
 709
 710
 711/*
 712 * initialize the chip
 713 */
 714static int pontis_init(struct snd_ice1712 *ice)
 715{
 716        static const unsigned short wm_inits[] = {
 717                /* These come first to reduce init pop noise */
 718                WM_ADC_MUX,     0x00c0, /* ADC mute */
 719                WM_DAC_MUTE,    0x0001, /* DAC softmute */
 720                WM_DAC_CTRL1,   0x0000, /* DAC mute */
 721
 722                WM_POWERDOWN,   0x0008, /* All power-up except HP */
 723                WM_RESET,       0x0000, /* reset */
 724        };
 725        static const unsigned short wm_inits2[] = {
 726                WM_MASTER_CTRL, 0x0022, /* 256fs, slave mode */
 727                WM_DAC_INT,     0x0022, /* I2S, normal polarity, 24bit */
 728                WM_ADC_INT,     0x0022, /* I2S, normal polarity, 24bit */
 729                WM_DAC_CTRL1,   0x0090, /* DAC L/R */
 730                WM_OUT_MUX,     0x0001, /* OUT DAC */
 731                WM_HP_ATTEN_L,  0x0179, /* HP 0dB */
 732                WM_HP_ATTEN_R,  0x0179, /* HP 0dB */
 733                WM_DAC_ATTEN_L, 0x0000, /* DAC 0dB */
 734                WM_DAC_ATTEN_L, 0x0100, /* DAC 0dB */
 735                WM_DAC_ATTEN_R, 0x0000, /* DAC 0dB */
 736                WM_DAC_ATTEN_R, 0x0100, /* DAC 0dB */
 737                /* WM_DAC_MASTER,       0x0100, */      /* DAC master muted */
 738                WM_PHASE_SWAP,  0x0000, /* phase normal */
 739                WM_DAC_CTRL2,   0x0000, /* no deemphasis, no ZFLG */
 740                WM_ADC_ATTEN_L, 0x0000, /* ADC muted */
 741                WM_ADC_ATTEN_R, 0x0000, /* ADC muted */
 742#if 0
 743                WM_ALC_CTRL1,   0x007b, /* */
 744                WM_ALC_CTRL2,   0x0000, /* */
 745                WM_ALC_CTRL3,   0x0000, /* */
 746                WM_NOISE_GATE,  0x0000, /* */
 747#endif
 748                WM_DAC_MUTE,    0x0000, /* DAC unmute */
 749                WM_ADC_MUX,     0x0003, /* ADC unmute, both CD/Line On */
 750        };
 751        static const unsigned char cs_inits[] = {
 752                0x04,   0x80,   /* RUN, RXP0 */
 753                0x05,   0x05,   /* slave, 24bit */
 754                0x01,   0x00,
 755                0x02,   0x00,
 756                0x03,   0x00,
 757        };
 758        unsigned int i;
 759
 760        ice->vt1720 = 1;
 761        ice->num_total_dacs = 2;
 762        ice->num_total_adcs = 2;
 763
 764        /* to remember the register values */
 765        ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
 766        if (! ice->akm)
 767                return -ENOMEM;
 768        ice->akm_codecs = 1;
 769
 770        /* HACK - use this as the SPDIF source.
 771         * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
 772         */
 773        ice->gpio.saved[0] = 0;
 774
 775        /* initialize WM8776 codec */
 776        for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
 777                wm_put(ice, wm_inits[i], wm_inits[i+1]);
 778        schedule_timeout_uninterruptible(1);
 779        for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2)
 780                wm_put(ice, wm_inits2[i], wm_inits2[i+1]);
 781
 782        /* initialize CS8416 codec */
 783        /* assert PRST#; MT05 bit 7 */
 784        outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
 785        mdelay(5);
 786        /* deassert PRST# */
 787        outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
 788
 789        for (i = 0; i < ARRAY_SIZE(cs_inits); i += 2)
 790                spi_write(ice, CS_DEV, cs_inits[i], cs_inits[i+1]);
 791
 792        return 0;
 793}
 794
 795
 796/*
 797 * Pontis boards don't provide the EEPROM data at all.
 798 * hence the driver needs to sets up it properly.
 799 */
 800
 801static unsigned char pontis_eeprom[] = {
 802        [ICE_EEP2_SYSCONF]     = 0x08,  /* clock 256, mpu401, spdif-in/ADC, 1DAC */
 803        [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
 804        [ICE_EEP2_I2S]         = 0xf8,  /* vol, 96k, 24bit, 192k */
 805        [ICE_EEP2_SPDIF]       = 0xc3,  /* out-en, out-int, spdif-in */
 806        [ICE_EEP2_GPIO_DIR]    = 0x07,
 807        [ICE_EEP2_GPIO_DIR1]   = 0x00,
 808        [ICE_EEP2_GPIO_DIR2]   = 0x00,  /* ignored */
 809        [ICE_EEP2_GPIO_MASK]   = 0x0f,  /* 4-7 reserved for CS8416 */
 810        [ICE_EEP2_GPIO_MASK1]  = 0xff,
 811        [ICE_EEP2_GPIO_MASK2]  = 0x00,  /* ignored */
 812        [ICE_EEP2_GPIO_STATE]  = 0x06,  /* 0-low, 1-high, 2-high */
 813        [ICE_EEP2_GPIO_STATE1] = 0x00,
 814        [ICE_EEP2_GPIO_STATE2] = 0x00,  /* ignored */
 815};
 816
 817/* entry point */
 818struct snd_ice1712_card_info snd_vt1720_pontis_cards[] = {
 819        {
 820                .subvendor = VT1720_SUBDEVICE_PONTIS_MS300,
 821                .name = "Pontis MS300",
 822                .model = "ms300",
 823                .chip_init = pontis_init,
 824                .build_controls = pontis_add_controls,
 825                .eeprom_size = sizeof(pontis_eeprom),
 826                .eeprom_data = pontis_eeprom,
 827        },
 828        { } /* terminator */
 829};
 830