git.oblomov.eu Git - linux-2.6/blob - sound/pci/ice1712/revo.c

   1 /*
   2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
   3  *
   4  *   Lowlevel functions for M-Audio Revolution 7.1
   5  *
   6  *      Copyright (c) 2003 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
  32 #include "ice1712.h"
  33 #include "envy24ht.h"
  34 #include "revo.h"
  35
  36 static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
  37 {
  38         /* assert PRST# to converters; MT05 bit 7 */
  39         outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
  40         mdelay(5);
  41         /* deassert PRST# */
  42         outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
  43 }
  44
  45 /*
  46  * change the rate of envy24HT, AK4355 and AK4381
  47  */
  48 static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
  49 {
  50         unsigned char old, tmp, dfs;
  51         int reg, shift;
  52
  53         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
  54                 return;
  55
  56         /* adjust DFS on codecs */
  57         if (rate > 96000)
  58                 dfs = 2;
  59         else if (rate > 48000)
  60                 dfs = 1;
  61         else
  62                 dfs = 0;
  63
  64         if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
  65                 reg = 2;
  66                 shift = 4;
  67         } else {
  68                 reg = 1;
  69                 shift = 3;
  70         }
  71         tmp = snd_akm4xxx_get(ak, 0, reg);
  72         old = (tmp >> shift) & 0x03;
  73         if (old == dfs)
  74                 return;
  75
  76         /* reset DFS */
  77         snd_akm4xxx_reset(ak, 1);
  78         tmp = snd_akm4xxx_get(ak, 0, reg);
  79         tmp &= ~(0x03 << shift);
  80         tmp |= dfs << shift;
  81         // snd_akm4xxx_write(ak, 0, reg, tmp);
  82         snd_akm4xxx_set(ak, 0, reg, tmp); /* the value is written in reset(0) */
  83         snd_akm4xxx_reset(ak, 0);
  84 }
  85
  86 /*
  87  * I2C access to the PT2258 volume controller on GPIO 6/7 (Revolution 5.1)
  88  */
  89
  90 static void revo_i2c_start(struct snd_i2c_bus *bus)
  91 {
  92         struct snd_ice1712 *ice = bus->private_data;
  93         snd_ice1712_save_gpio_status(ice);
  94 }
  95
  96 static void revo_i2c_stop(struct snd_i2c_bus *bus)
  97 {
  98         struct snd_ice1712 *ice = bus->private_data;
  99         snd_ice1712_restore_gpio_status(ice);
 100 }
 101
 102 static void revo_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
 103 {
 104         struct snd_ice1712 *ice = bus->private_data;
 105         unsigned int mask, val;
 106
 107         val = 0;
 108         if (clock)
 109                 val |= VT1724_REVO_I2C_CLOCK;   /* write SCL */
 110         if (data)
 111                 val |= VT1724_REVO_I2C_DATA;    /* write SDA */
 112         mask = VT1724_REVO_I2C_CLOCK | VT1724_REVO_I2C_DATA;
 113         ice->gpio.direction &= ~mask;
 114         ice->gpio.direction |= val;
 115         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 116         snd_ice1712_gpio_set_mask(ice, ~mask);
 117 }
 118
 119 static void revo_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
 120 {
 121         struct snd_ice1712 *ice = bus->private_data;
 122         unsigned int val = 0;
 123
 124         if (clk)
 125                 val |= VT1724_REVO_I2C_CLOCK;
 126         if (data)
 127                 val |= VT1724_REVO_I2C_DATA;
 128         snd_ice1712_gpio_write_bits(ice,
 129                                     VT1724_REVO_I2C_DATA |
 130                                     VT1724_REVO_I2C_CLOCK, val);
 131         udelay(5);
 132 }
 133
 134 static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
 135 {
 136         struct snd_ice1712 *ice = bus->private_data;
 137         int bit;
 138
 139         if (ack)
 140                 udelay(5);
 141         bit = snd_ice1712_gpio_read_bits(ice, VT1724_REVO_I2C_DATA) ? 1 : 0;
 142         return bit;
 143 }
 144
 145 static struct snd_i2c_bit_ops revo51_bit_ops = {
 146         .start = revo_i2c_start,
 147         .stop = revo_i2c_stop,
 148         .direction = revo_i2c_direction,
 149         .setlines = revo_i2c_setlines,
 150         .getdata = revo_i2c_getdata,
 151 };
 152
 153 static int revo51_i2c_init(struct snd_ice1712 *ice,
 154                            struct snd_pt2258 *pt)
 155 {
 156         int err;
 157
 158         /* create the I2C bus */
 159         err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
 160         if (err < 0)
 161                 return err;
 162
 163         ice->i2c->private_data = ice;
 164         ice->i2c->hw_ops.bit = &revo51_bit_ops;
 165
 166         /* create the I2C device */
 167         err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40,
 168                                     &ice->spec.revo51.dev);
 169         if (err < 0)
 170                 return err;
 171
 172         pt->card = ice->card;
 173         pt->i2c_bus = ice->i2c;
 174         pt->i2c_dev = ice->spec.revo51.dev;
 175         ice->spec.revo51.pt2258 = pt;
 176
 177         snd_pt2258_reset(pt);
 178
 179         return 0;
 180 }
 181
 182 /*
 183  * initialize the chips on M-Audio Revolution cards
 184  */
 185
 186 #define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
 187
 188 static const struct snd_akm4xxx_dac_channel revo71_front[] = {
 189         {
 190                 .name = "PCM Playback Volume",
 191                 .num_channels = 2,
 192                 /* front channels DAC supports muting */
 193                 .switch_name = "PCM Playback Switch",
 194         },
 195 };
 196
 197 static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
 198         AK_DAC("PCM Center Playback Volume", 1),
 199         AK_DAC("PCM LFE Playback Volume", 1),
 200         AK_DAC("PCM Side Playback Volume", 2),
 201         AK_DAC("PCM Rear Playback Volume", 2),
 202 };
 203
 204 static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
 205         AK_DAC("PCM Playback Volume", 2),
 206         AK_DAC("PCM Center Playback Volume", 1),
 207         AK_DAC("PCM LFE Playback Volume", 1),
 208         AK_DAC("PCM Rear Playback Volume", 2),
 209 };
 210
 211 static const char *revo51_adc_input_names[] = {
 212         "Mic",
 213         "Line",
 214         "CD",
 215         NULL
 216 };
 217
 218 static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
 219         {
 220                 .name = "PCM Capture Volume",
 221                 .switch_name = "PCM Capture Switch",
 222                 .num_channels = 2,
 223                 .input_names = revo51_adc_input_names
 224         },
 225 };
 226
 227 static struct snd_akm4xxx akm_revo_front __devinitdata = {
 228         .type = SND_AK4381,
 229         .num_dacs = 2,
 230         .ops = {
 231                 .set_rate_val = revo_set_rate_val
 232         },
 233         .dac_info = revo71_front,
 234 };
 235
 236 static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
 237         .caddr = 1,
 238         .cif = 0,
 239         .data_mask = VT1724_REVO_CDOUT,
 240         .clk_mask = VT1724_REVO_CCLK,
 241         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 242         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
 243         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 244         .add_flags = VT1724_REVO_CCLK, /* high at init */
 245         .mask_flags = 0,
 246 };
 247
 248 static struct snd_akm4xxx akm_revo_surround __devinitdata = {
 249         .type = SND_AK4355,
 250         .idx_offset = 1,
 251         .num_dacs = 6,
 252         .ops = {
 253                 .set_rate_val = revo_set_rate_val
 254         },
 255         .dac_info = revo71_surround,
 256 };
 257
 258 static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
 259         .caddr = 3,
 260         .cif = 0,
 261         .data_mask = VT1724_REVO_CDOUT,
 262         .clk_mask = VT1724_REVO_CCLK,
 263         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 264         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 265         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 266         .add_flags = VT1724_REVO_CCLK, /* high at init */
 267         .mask_flags = 0,
 268 };
 269
 270 static struct snd_akm4xxx akm_revo51 __devinitdata = {
 271         .type = SND_AK4358,
 272         .num_dacs = 6,
 273         .ops = {
 274                 .set_rate_val = revo_set_rate_val
 275         },
 276         .dac_info = revo51_dac,
 277 };
 278
 279 static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
 280         .caddr = 2,
 281         .cif = 0,
 282         .data_mask = VT1724_REVO_CDOUT,
 283         .clk_mask = VT1724_REVO_CCLK,
 284         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 285         .cs_addr = VT1724_REVO_CS1,
 286         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 287         .add_flags = VT1724_REVO_CCLK, /* high at init */
 288         .mask_flags = 0,
 289 };
 290
 291 static struct snd_akm4xxx akm_revo51_adc __devinitdata = {
 292         .type = SND_AK5365,
 293         .num_adcs = 2,
 294         .adc_info = revo51_adc,
 295 };
 296
 297 static struct snd_ak4xxx_private akm_revo51_adc_priv __devinitdata = {
 298         .caddr = 2,
 299         .cif = 0,
 300         .data_mask = VT1724_REVO_CDOUT,
 301         .clk_mask = VT1724_REVO_CCLK,
 302         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 303         .cs_addr = VT1724_REVO_CS0,
 304         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 305         .add_flags = VT1724_REVO_CCLK, /* high at init */
 306         .mask_flags = 0,
 307 };
 308
 309 static struct snd_pt2258 ptc_revo51_volume;
 310
 311 /* AK4358 for AP192 DAC, AK5385A for ADC */
 312 static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 313 {
 314         struct snd_ice1712 *ice = ak->private_data[0];
 315
 316         revo_set_rate_val(ak, rate);
 317
 318 #if 1 /* FIXME: do we need this procedure? */
 319         /* reset DFS pin of AK5385A for ADC, too */
 320         /* DFS0 (pin 18) -- GPIO10 pin 77 */
 321         snd_ice1712_save_gpio_status(ice);
 322         snd_ice1712_gpio_write_bits(ice, 1 << 10,
 323                                     rate > 48000 ? (1 << 10) : 0);
 324         snd_ice1712_restore_gpio_status(ice);
 325 #endif
 326 }
 327
 328 static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
 329         AK_DAC("PCM Playback Volume", 2)
 330 };
 331
 332 static struct snd_akm4xxx akm_ap192 __devinitdata = {
 333         .type = SND_AK4358,
 334         .num_dacs = 2,
 335         .ops = {
 336                 .set_rate_val = ap192_set_rate_val
 337         },
 338         .dac_info = ap192_dac,
 339 };
 340
 341 static struct snd_ak4xxx_private akm_ap192_priv __devinitdata = {
 342         .caddr = 2,
 343         .cif = 0,
 344         .data_mask = VT1724_REVO_CDOUT,
 345         .clk_mask = VT1724_REVO_CCLK,
 346         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
 347         .cs_addr = VT1724_REVO_CS3,
 348         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
 349         .add_flags = VT1724_REVO_CCLK, /* high at init */
 350         .mask_flags = 0,
 351 };
 352
 353 #if 0
 354 /* FIXME: ak4114 makes the sound much lower due to some confliction,
 355  *        so let's disable it right now...
 356  */
 357 #define BUILD_AK4114_AP192
 358 #endif
 359
 360 #ifdef BUILD_AK4114_AP192
 361 /* AK4114 support on Audiophile 192 */
 362 /* CDTO (pin 32) -- GPIO2 pin 52
 363  * CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
 364  * CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
 365  * CSN  (pin 35) -- GPIO7 pin 59
 366  */
 367 #define AK4114_ADDR     0x00
 368
 369 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
 370                        unsigned int data, int idx)
 371 {
 372         for (; idx >= 0; idx--) {
 373                 /* drop clock */
 374                 gpio &= ~VT1724_REVO_CCLK;
 375                 snd_ice1712_gpio_write(ice, gpio);
 376                 udelay(1);
 377                 /* set data */
 378                 if (data & (1 << idx))
 379                         gpio |= VT1724_REVO_CDOUT;
 380                 else
 381                         gpio &= ~VT1724_REVO_CDOUT;
 382                 snd_ice1712_gpio_write(ice, gpio);
 383                 udelay(1);
 384                 /* raise clock */
 385                 gpio |= VT1724_REVO_CCLK;
 386                 snd_ice1712_gpio_write(ice, gpio);
 387                 udelay(1);
 388         }
 389 }
 390
 391 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
 392                                int idx)
 393 {
 394         unsigned char data = 0;
 395
 396         for (; idx >= 0; idx--) {
 397                 /* drop clock */
 398                 gpio &= ~VT1724_REVO_CCLK;
 399                 snd_ice1712_gpio_write(ice, gpio);
 400                 udelay(1);
 401                 /* read data */
 402                 if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
 403                         data |= (1 << idx);
 404                 udelay(1);
 405                 /* raise clock */
 406                 gpio |= VT1724_REVO_CCLK;
 407                 snd_ice1712_gpio_write(ice, gpio);
 408                 udelay(1);
 409         }
 410         return data;
 411 }
 412
 413 static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
 414 {
 415         unsigned int tmp;
 416
 417         snd_ice1712_save_gpio_status(ice);
 418         tmp = snd_ice1712_gpio_read(ice);
 419         tmp |= VT1724_REVO_CCLK; /* high at init */
 420         tmp |= VT1724_REVO_CS0;
 421         tmp &= ~VT1724_REVO_CS3;
 422         snd_ice1712_gpio_write(ice, tmp);
 423         udelay(1);
 424         return tmp;
 425 }
 426
 427 static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
 428 {
 429         tmp |= VT1724_REVO_CS3;
 430         tmp |= VT1724_REVO_CS0;
 431         snd_ice1712_gpio_write(ice, tmp);
 432         udelay(1);
 433         snd_ice1712_restore_gpio_status(ice);
 434 }
 435
 436 static void ap192_ak4114_write(void *private_data, unsigned char addr,
 437                                unsigned char data)
 438 {
 439         struct snd_ice1712 *ice = private_data;
 440         unsigned int tmp, addrdata;
 441
 442         tmp = ap192_4wire_start(ice);
 443         addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
 444         addrdata = (addrdata << 8) | data;
 445         write_data(ice, tmp, addrdata, 15);
 446         ap192_4wire_finish(ice, tmp);
 447 }
 448
 449 static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
 450 {
 451         struct snd_ice1712 *ice = private_data;
 452         unsigned int tmp;
 453         unsigned char data;
 454
 455         tmp = ap192_4wire_start(ice);
 456         write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
 457         data = read_data(ice, tmp, 7);
 458         ap192_4wire_finish(ice, tmp);
 459         return data;
 460 }
 461
 462 static int __devinit ap192_ak4114_init(struct snd_ice1712 *ice)
 463 {
 464         static const unsigned char ak4114_init_vals[] = {
 465                 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
 466                 AK4114_DIF_I24I2S,
 467                 AK4114_TX1E,
 468                 AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1),
 469                 0,
 470                 0
 471         };
 472         static const unsigned char ak4114_init_txcsb[] = {
 473                 0x41, 0x02, 0x2c, 0x00, 0x00
 474         };
 475         struct ak4114 *ak;
 476         int err;
 477
 478         return snd_ak4114_create(ice->card,
 479                                  ap192_ak4114_read,
 480                                  ap192_ak4114_write,
 481                                  ak4114_init_vals, ak4114_init_txcsb,
 482                                  ice, &ak);
 483 }
 484 #endif /* BUILD_AK4114_AP192 */
 485
 486 static int __devinit revo_init(struct snd_ice1712 *ice)
 487 {
 488         struct snd_akm4xxx *ak;
 489         int err;
 490
 491         /* determine I2C, DACs and ADCs */
 492         switch (ice->eeprom.subvendor) {
 493         case VT1724_SUBDEVICE_REVOLUTION71:
 494                 ice->num_total_dacs = 8;
 495                 ice->num_total_adcs = 2;
 496                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
 497                 break;
 498         case VT1724_SUBDEVICE_REVOLUTION51:
 499                 ice->num_total_dacs = 6;
 500                 ice->num_total_adcs = 2;
 501                 break;
 502         case VT1724_SUBDEVICE_AUDIOPHILE192:
 503                 ice->num_total_dacs = 2;
 504                 ice->num_total_adcs = 2;
 505                 break;
 506         default:
 507                 snd_BUG();
 508                 return -EINVAL;
 509         }
 510
 511         /* second stage of initialization, analog parts and others */
 512         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
 513         if (! ak)
 514                 return -ENOMEM;
 515         ice->akm_codecs = 2;
 516         switch (ice->eeprom.subvendor) {
 517         case VT1724_SUBDEVICE_REVOLUTION71:
 518                 ice->akm_codecs = 2;
 519                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
 520                         return err;
 521                 if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
 522                         return err;
 523                 /* unmute all codecs */
 524                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 525                 break;
 526         case VT1724_SUBDEVICE_REVOLUTION51:
 527                 ice->akm_codecs = 2;
 528                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
 529                                                &akm_revo51_priv, ice);
 530                 if (err < 0)
 531                         return err;
 532                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
 533                                                &akm_revo51_adc_priv, ice);
 534                 if (err < 0)
 535                         return err;
 536                 err = revo51_i2c_init(ice, &ptc_revo51_volume);
 537                 if (err < 0)
 538                         return err;
 539                 /* unmute all codecs */
 540                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 541                                             VT1724_REVO_MUTE);
 542                 break;
 543         case VT1724_SUBDEVICE_AUDIOPHILE192:
 544                 ice->akm_codecs = 1;
 545                 err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
 546                                                ice);
 547                 if (err < 0)
 548                         return err;
 549
 550                 break;
 551         }
 552
 553         return 0;
 554 }
 555
 556
 557 static int __devinit revo_add_controls(struct snd_ice1712 *ice)
 558 {
 559         int err;
 560
 561         switch (ice->eeprom.subvendor) {
 562         case VT1724_SUBDEVICE_REVOLUTION71:
 563                 err = snd_ice1712_akm4xxx_build_controls(ice);
 564                 if (err < 0)
 565                         return err;
 566                 break;
 567         case VT1724_SUBDEVICE_REVOLUTION51:
 568                 err = snd_ice1712_akm4xxx_build_controls(ice);
 569                 if (err < 0)
 570                         return err;
 571                 err = snd_pt2258_build_controls(ice->spec.revo51.pt2258);
 572                 if (err < 0)
 573                         return err;
 574                 break;
 575         case VT1724_SUBDEVICE_AUDIOPHILE192:
 576                 err = snd_ice1712_akm4xxx_build_controls(ice);
 577                 if (err < 0)
 578                         return err;
 579 #ifdef BUILD_AK4114_AP192
 580                 err = ap192_ak4114_init(ice);
 581                 if (err < 0)
 582                         return err;
 583 #endif
 584                 break;
 585         }
 586         return 0;
 587 }
 588
 589 /* entry point */
 590 struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
 591         {
 592                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
 593                 .name = "M Audio Revolution-7.1",
 594                 .model = "revo71",
 595                 .chip_init = revo_init,
 596                 .build_controls = revo_add_controls,
 597         },
 598         {
 599                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
 600                 .name = "M Audio Revolution-5.1",
 601                 .model = "revo51",
 602                 .chip_init = revo_init,
 603                 .build_controls = revo_add_controls,
 604         },
 605         {
 606                 .subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
 607                 .name = "M Audio Audiophile192",
 608                 .model = "ap192",
 609                 .chip_init = revo_init,
 610                 .build_controls = revo_add_controls,
 611         },
 612         { } /* terminator */
 613 };