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         AK_DAC("PCM Playback Volume", 2)
 190 };
 191
 192 static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
 193         AK_DAC("PCM Center Playback Volume", 1),
 194         AK_DAC("PCM LFE Playback Volume", 1),
 195         AK_DAC("PCM Side Playback Volume", 2),
 196         AK_DAC("PCM Rear Playback Volume", 2),
 197 };
 198
 199 static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
 200         AK_DAC("PCM Playback Volume", 2),
 201         AK_DAC("PCM Center Playback Volume", 1),
 202         AK_DAC("PCM LFE Playback Volume", 1),
 203         AK_DAC("PCM Rear Playback Volume", 2),
 204 };
 205
 206 static const char *revo51_adc_input_names[] = {
 207         "Mic",
 208         "Line",
 209         "CD",
 210         NULL
 211 };
 212
 213 static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
 214         {
 215                 .name = "PCM Capture Volume",
 216                 .switch_name = "PCM Capture Switch",
 217                 .num_channels = 2,
 218                 .input_names = revo51_adc_input_names
 219         },
 220 };
 221
 222 static const struct snd_akm4xxx akm_revo_front __devinitdata = {
 223         .type = SND_AK4381,
 224         .num_dacs = 2,
 225         .ops = {
 226                 .set_rate_val = revo_set_rate_val
 227         },
 228         .dac_info = revo71_front,
 229 };
 230
 231 static const struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
 232         .caddr = 1,
 233         .cif = 0,
 234         .data_mask = VT1724_REVO_CDOUT,
 235         .clk_mask = VT1724_REVO_CCLK,
 236         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 237         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
 238         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 239         .add_flags = VT1724_REVO_CCLK, /* high at init */
 240         .mask_flags = 0,
 241 };
 242
 243 static const struct snd_akm4xxx akm_revo_surround __devinitdata = {
 244         .type = SND_AK4355,
 245         .idx_offset = 1,
 246         .num_dacs = 6,
 247         .ops = {
 248                 .set_rate_val = revo_set_rate_val
 249         },
 250         .dac_info = revo71_surround,
 251 };
 252
 253 static const struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
 254         .caddr = 3,
 255         .cif = 0,
 256         .data_mask = VT1724_REVO_CDOUT,
 257         .clk_mask = VT1724_REVO_CCLK,
 258         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 259         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 260         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 261         .add_flags = VT1724_REVO_CCLK, /* high at init */
 262         .mask_flags = 0,
 263 };
 264
 265 static const struct snd_akm4xxx akm_revo51 __devinitdata = {
 266         .type = SND_AK4358,
 267         .num_dacs = 6,
 268         .ops = {
 269                 .set_rate_val = revo_set_rate_val
 270         },
 271         .dac_info = revo51_dac,
 272 };
 273
 274 static const struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
 275         .caddr = 2,
 276         .cif = 0,
 277         .data_mask = VT1724_REVO_CDOUT,
 278         .clk_mask = VT1724_REVO_CCLK,
 279         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 280         .cs_addr = VT1724_REVO_CS1,
 281         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 282         .add_flags = VT1724_REVO_CCLK, /* high at init */
 283         .mask_flags = 0,
 284 };
 285
 286 static const struct snd_akm4xxx akm_revo51_adc __devinitdata = {
 287         .type = SND_AK5365,
 288         .num_adcs = 2,
 289         .adc_info = revo51_adc,
 290 };
 291
 292 static const struct snd_ak4xxx_private akm_revo51_adc_priv __devinitdata = {
 293         .caddr = 2,
 294         .cif = 0,
 295         .data_mask = VT1724_REVO_CDOUT,
 296         .clk_mask = VT1724_REVO_CCLK,
 297         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 298         .cs_addr = VT1724_REVO_CS0,
 299         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 300         .add_flags = VT1724_REVO_CCLK, /* high at init */
 301         .mask_flags = 0,
 302 };
 303
 304 static struct snd_pt2258 ptc_revo51_volume;
 305
 306 /* AK4358 for AP192 DAC, AK5385A for ADC */
 307 static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 308 {
 309         struct snd_ice1712 *ice = ak->private_data[0];
 310
 311         revo_set_rate_val(ak, rate);
 312
 313 #if 1 /* FIXME: do we need this procedure? */
 314         /* reset DFS pin of AK5385A for ADC, too */
 315         /* DFS0 (pin 18) -- GPIO10 pin 77 */
 316         snd_ice1712_save_gpio_status(ice);
 317         snd_ice1712_gpio_write_bits(ice, 1 << 10,
 318                                     rate > 48000 ? (1 << 10) : 0);
 319         snd_ice1712_restore_gpio_status(ice);
 320 #endif
 321 }
 322
 323 static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
 324         AK_DAC("PCM Playback Volume", 2)
 325 };
 326
 327 static const struct snd_akm4xxx akm_ap192 __devinitdata = {
 328         .type = SND_AK4358,
 329         .num_dacs = 2,
 330         .ops = {
 331                 .set_rate_val = ap192_set_rate_val
 332         },
 333         .dac_info = ap192_dac,
 334 };
 335
 336 static const struct snd_ak4xxx_private akm_ap192_priv __devinitdata = {
 337         .caddr = 2,
 338         .cif = 0,
 339         .data_mask = VT1724_REVO_CDOUT,
 340         .clk_mask = VT1724_REVO_CCLK,
 341         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
 342         .cs_addr = VT1724_REVO_CS3,
 343         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
 344         .add_flags = VT1724_REVO_CCLK, /* high at init */
 345         .mask_flags = 0,
 346 };
 347
 348 #if 0
 349 /* FIXME: ak4114 makes the sound much lower due to some confliction,
 350  *        so let's disable it right now...
 351  */
 352 #define BUILD_AK4114_AP192
 353 #endif
 354
 355 #ifdef BUILD_AK4114_AP192
 356 /* AK4114 support on Audiophile 192 */
 357 /* CDTO (pin 32) -- GPIO2 pin 52
 358  * CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
 359  * CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
 360  * CSN  (pin 35) -- GPIO7 pin 59
 361  */
 362 #define AK4114_ADDR     0x00
 363
 364 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
 365                        unsigned int data, int idx)
 366 {
 367         for (; idx >= 0; idx--) {
 368                 /* drop clock */
 369                 gpio &= ~VT1724_REVO_CCLK;
 370                 snd_ice1712_gpio_write(ice, gpio);
 371                 udelay(1);
 372                 /* set data */
 373                 if (data & (1 << idx))
 374                         gpio |= VT1724_REVO_CDOUT;
 375                 else
 376                         gpio &= ~VT1724_REVO_CDOUT;
 377                 snd_ice1712_gpio_write(ice, gpio);
 378                 udelay(1);
 379                 /* raise clock */
 380                 gpio |= VT1724_REVO_CCLK;
 381                 snd_ice1712_gpio_write(ice, gpio);
 382                 udelay(1);
 383         }
 384 }
 385
 386 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
 387                                int idx)
 388 {
 389         unsigned char data = 0;
 390
 391         for (; idx >= 0; idx--) {
 392                 /* drop clock */
 393                 gpio &= ~VT1724_REVO_CCLK;
 394                 snd_ice1712_gpio_write(ice, gpio);
 395                 udelay(1);
 396                 /* read data */
 397                 if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
 398                         data |= (1 << idx);
 399                 udelay(1);
 400                 /* raise clock */
 401                 gpio |= VT1724_REVO_CCLK;
 402                 snd_ice1712_gpio_write(ice, gpio);
 403                 udelay(1);
 404         }
 405         return data;
 406 }
 407
 408 static unsigned char ap192_4wire_start(struct snd_ice1712 *ice)
 409 {
 410         unsigned int tmp;
 411
 412         snd_ice1712_save_gpio_status(ice);
 413         tmp = snd_ice1712_gpio_read(ice);
 414         tmp |= VT1724_REVO_CCLK; /* high at init */
 415         tmp |= VT1724_REVO_CS0;
 416         tmp &= ~VT1724_REVO_CS3;
 417         snd_ice1712_gpio_write(ice, tmp);
 418         udelay(1);
 419         return tmp;
 420 }
 421
 422 static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
 423 {
 424         tmp |= VT1724_REVO_CS3;
 425         tmp |= VT1724_REVO_CS0;
 426         snd_ice1712_gpio_write(ice, tmp);
 427         udelay(1);
 428         snd_ice1712_restore_gpio_status(ice);
 429 }
 430
 431 static void ap192_ak4114_write(void *private_data, unsigned char addr,
 432                                unsigned char data)
 433 {
 434         struct snd_ice1712 *ice = private_data;
 435         unsigned int tmp, addrdata;
 436
 437         tmp = ap192_4wire_start(ice);
 438         addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
 439         addrdata = (addrdata << 8) | data;
 440         write_data(ice, tmp, addrdata, 15);
 441         ap192_4wire_finish(ice, tmp);
 442 }
 443
 444 static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
 445 {
 446         struct snd_ice1712 *ice = private_data;
 447         unsigned int tmp;
 448         unsigned char data;
 449
 450         tmp = ap192_4wire_start(ice);
 451         write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
 452         data = read_data(ice, tmp, 7);
 453         ap192_4wire_finish(ice, tmp);
 454         return data;
 455 }
 456
 457 static int ap192_ak4114_init(struct snd_ice1712 *ice)
 458 {
 459         static const unsigned char ak4114_init_vals[] = {
 460                 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
 461                 AK4114_DIF_I24I2S,
 462                 AK4114_TX1E,
 463                 AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1),
 464                 0,
 465                 0
 466         };
 467         static const unsigned char ak4114_init_txcsb[] = {
 468                 0x41, 0x02, 0x2c, 0x00, 0x00
 469         };
 470         struct ak4114 *ak;
 471         int err;
 472
 473         return snd_ak4114_create(ice->card,
 474                                  ap192_ak4114_read,
 475                                  ap192_ak4114_write,
 476                                  ak4114_init_vals, ak4114_init_txcsb,
 477                                  ice, &ak);
 478 }
 479 #endif /* BUILD_AK4114_AP192 */
 480
 481 static int __devinit revo_init(struct snd_ice1712 *ice)
 482 {
 483         struct snd_akm4xxx *ak;
 484         int err;
 485
 486         /* determine I2C, DACs and ADCs */
 487         switch (ice->eeprom.subvendor) {
 488         case VT1724_SUBDEVICE_REVOLUTION71:
 489                 ice->num_total_dacs = 8;
 490                 ice->num_total_adcs = 2;
 491                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
 492                 break;
 493         case VT1724_SUBDEVICE_REVOLUTION51:
 494                 ice->num_total_dacs = 6;
 495                 ice->num_total_adcs = 2;
 496                 break;
 497         case VT1724_SUBDEVICE_AUDIOPHILE192:
 498                 ice->num_total_dacs = 2;
 499                 ice->num_total_adcs = 2;
 500                 break;
 501         default:
 502                 snd_BUG();
 503                 return -EINVAL;
 504         }
 505
 506         /* second stage of initialization, analog parts and others */
 507         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
 508         if (! ak)
 509                 return -ENOMEM;
 510         ice->akm_codecs = 2;
 511         switch (ice->eeprom.subvendor) {
 512         case VT1724_SUBDEVICE_REVOLUTION71:
 513                 ice->akm_codecs = 2;
 514                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
 515                         return err;
 516                 if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
 517                         return err;
 518                 /* unmute all codecs */
 519                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 520                 break;
 521         case VT1724_SUBDEVICE_REVOLUTION51:
 522                 ice->akm_codecs = 2;
 523                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
 524                                                &akm_revo51_priv, ice);
 525                 if (err < 0)
 526                         return err;
 527                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
 528                                                &akm_revo51_adc_priv, ice);
 529                 if (err < 0)
 530                         return err;
 531                 err = revo51_i2c_init(ice, &ptc_revo51_volume);
 532                 if (err < 0)
 533                         return err;
 534                 /* unmute all codecs */
 535                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 536                                             VT1724_REVO_MUTE);
 537                 break;
 538         case VT1724_SUBDEVICE_AUDIOPHILE192:
 539                 ice->akm_codecs = 1;
 540                 err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
 541                                                ice);
 542                 if (err < 0)
 543                         return err;
 544
 545                 break;
 546         }
 547
 548         return 0;
 549 }
 550
 551
 552 static int __devinit revo_add_controls(struct snd_ice1712 *ice)
 553 {
 554         int err;
 555
 556         switch (ice->eeprom.subvendor) {
 557         case VT1724_SUBDEVICE_REVOLUTION71:
 558                 err = snd_ice1712_akm4xxx_build_controls(ice);
 559                 if (err < 0)
 560                         return err;
 561                 break;
 562         case VT1724_SUBDEVICE_REVOLUTION51:
 563                 err = snd_ice1712_akm4xxx_build_controls(ice);
 564                 if (err < 0)
 565                         return err;
 566                 err = snd_pt2258_build_controls(ice->spec.revo51.pt2258);
 567                 if (err < 0)
 568                         return err;
 569                 break;
 570         case VT1724_SUBDEVICE_AUDIOPHILE192:
 571                 err = snd_ice1712_akm4xxx_build_controls(ice);
 572                 if (err < 0)
 573                         return err;
 574 #ifdef BUILD_AK4114_AP192
 575                 err = ap192_ak4114_init(ice);
 576                 if (err < 0)
 577                         return err;
 578 #endif
 579                 break;
 580         }
 581         return 0;
 582 }
 583
 584 /* entry point */
 585 const struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
 586         {
 587                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
 588                 .name = "M Audio Revolution-7.1",
 589                 .model = "revo71",
 590                 .chip_init = revo_init,
 591                 .build_controls = revo_add_controls,
 592         },
 593         {
 594                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
 595                 .name = "M Audio Revolution-5.1",
 596                 .model = "revo51",
 597                 .chip_init = revo_init,
 598                 .build_controls = revo_add_controls,
 599         },
 600         {
 601                 .subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
 602                 .name = "M Audio Audiophile192",
 603                 .model = "ap192",
 604                 .chip_init = revo_init,
 605                 .build_controls = revo_add_controls,
 606         },
 607         { } /* terminator */
 608 };