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 <asm/io.h>
  25 #include <linux/delay.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/init.h>
  28 #include <linux/slab.h>
  29 #include <sound/core.h>
  30
  31 #include "ice1712.h"
  32 #include "envy24ht.h"
  33 #include "revo.h"
  34
  35 /* a non-standard I2C device for revo51 */
  36 struct revo51_spec {
  37         struct snd_i2c_device *dev;
  38         struct snd_pt2258 *pt2258;
  39 };
  40
  41 static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
  42 {
  43         /* assert PRST# to converters; MT05 bit 7 */
  44         outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
  45         mdelay(5);
  46         /* deassert PRST# */
  47         outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
  48 }
  49
  50 /*
  51  * change the rate of envy24HT, AK4355 and AK4381
  52  */
  53 static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
  54 {
  55         unsigned char old, tmp, dfs;
  56         int reg, shift;
  57
  58         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
  59                 return;
  60
  61         /* adjust DFS on codecs */
  62         if (rate > 96000)
  63                 dfs = 2;
  64         else if (rate > 48000)
  65                 dfs = 1;
  66         else
  67                 dfs = 0;
  68
  69         if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
  70                 reg = 2;
  71                 shift = 4;
  72         } else {
  73                 reg = 1;
  74                 shift = 3;
  75         }
  76         tmp = snd_akm4xxx_get(ak, 0, reg);
  77         old = (tmp >> shift) & 0x03;
  78         if (old == dfs)
  79                 return;
  80
  81         /* reset DFS */
  82         snd_akm4xxx_reset(ak, 1);
  83         tmp = snd_akm4xxx_get(ak, 0, reg);
  84         tmp &= ~(0x03 << shift);
  85         tmp |= dfs << shift;
  86         // snd_akm4xxx_write(ak, 0, reg, tmp);
  87         snd_akm4xxx_set(ak, 0, reg, tmp); /* the value is written in reset(0) */
  88         snd_akm4xxx_reset(ak, 0);
  89 }
  90
  91 /*
  92  * I2C access to the PT2258 volume controller on GPIO 6/7 (Revolution 5.1)
  93  */
  94
  95 static void revo_i2c_start(struct snd_i2c_bus *bus)
  96 {
  97         struct snd_ice1712 *ice = bus->private_data;
  98         snd_ice1712_save_gpio_status(ice);
  99 }
 100
 101 static void revo_i2c_stop(struct snd_i2c_bus *bus)
 102 {
 103         struct snd_ice1712 *ice = bus->private_data;
 104         snd_ice1712_restore_gpio_status(ice);
 105 }
 106
 107 static void revo_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
 108 {
 109         struct snd_ice1712 *ice = bus->private_data;
 110         unsigned int mask, val;
 111
 112         val = 0;
 113         if (clock)
 114                 val |= VT1724_REVO_I2C_CLOCK;   /* write SCL */
 115         if (data)
 116                 val |= VT1724_REVO_I2C_DATA;    /* write SDA */
 117         mask = VT1724_REVO_I2C_CLOCK | VT1724_REVO_I2C_DATA;
 118         ice->gpio.direction &= ~mask;
 119         ice->gpio.direction |= val;
 120         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 121         snd_ice1712_gpio_set_mask(ice, ~mask);
 122 }
 123
 124 static void revo_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
 125 {
 126         struct snd_ice1712 *ice = bus->private_data;
 127         unsigned int val = 0;
 128
 129         if (clk)
 130                 val |= VT1724_REVO_I2C_CLOCK;
 131         if (data)
 132                 val |= VT1724_REVO_I2C_DATA;
 133         snd_ice1712_gpio_write_bits(ice,
 134                                     VT1724_REVO_I2C_DATA |
 135                                     VT1724_REVO_I2C_CLOCK, val);
 136         udelay(5);
 137 }
 138
 139 static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
 140 {
 141         struct snd_ice1712 *ice = bus->private_data;
 142         int bit;
 143
 144         if (ack)
 145                 udelay(5);
 146         bit = snd_ice1712_gpio_read_bits(ice, VT1724_REVO_I2C_DATA) ? 1 : 0;
 147         return bit;
 148 }
 149
 150 static struct snd_i2c_bit_ops revo51_bit_ops = {
 151         .start = revo_i2c_start,
 152         .stop = revo_i2c_stop,
 153         .direction = revo_i2c_direction,
 154         .setlines = revo_i2c_setlines,
 155         .getdata = revo_i2c_getdata,
 156 };
 157
 158 static int revo51_i2c_init(struct snd_ice1712 *ice,
 159                            struct snd_pt2258 *pt)
 160 {
 161         struct revo51_spec *spec;
 162         int err;
 163
 164         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 165         if (!spec)
 166                 return -ENOMEM;
 167         ice->spec = spec;
 168
 169         /* create the I2C bus */
 170         err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
 171         if (err < 0)
 172                 return err;
 173
 174         ice->i2c->private_data = ice;
 175         ice->i2c->hw_ops.bit = &revo51_bit_ops;
 176
 177         /* create the I2C device */
 178         err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40, &spec->dev);
 179         if (err < 0)
 180                 return err;
 181
 182         pt->card = ice->card;
 183         pt->i2c_bus = ice->i2c;
 184         pt->i2c_dev = spec->dev;
 185         spec->pt2258 = pt;
 186
 187         snd_pt2258_reset(pt);
 188
 189         return 0;
 190 }
 191
 192 /*
 193  * initialize the chips on M-Audio Revolution cards
 194  */
 195
 196 #define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
 197
 198 static const struct snd_akm4xxx_dac_channel revo71_front[] = {
 199         {
 200                 .name = "PCM Playback Volume",
 201                 .num_channels = 2,
 202                 /* front channels DAC supports muting */
 203                 .switch_name = "PCM Playback Switch",
 204         },
 205 };
 206
 207 static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
 208         AK_DAC("PCM Center Playback Volume", 1),
 209         AK_DAC("PCM LFE Playback Volume", 1),
 210         AK_DAC("PCM Side Playback Volume", 2),
 211         AK_DAC("PCM Rear Playback Volume", 2),
 212 };
 213
 214 static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
 215         AK_DAC("PCM Playback Volume", 2),
 216         AK_DAC("PCM Center Playback Volume", 1),
 217         AK_DAC("PCM LFE Playback Volume", 1),
 218         AK_DAC("PCM Rear Playback Volume", 2),
 219 };
 220
 221 static const char *revo51_adc_input_names[] = {
 222         "Mic",
 223         "Line",
 224         "CD",
 225         NULL
 226 };
 227
 228 static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
 229         {
 230                 .name = "PCM Capture Volume",
 231                 .switch_name = "PCM Capture Switch",
 232                 .num_channels = 2,
 233                 .input_names = revo51_adc_input_names
 234         },
 235 };
 236
 237 static struct snd_akm4xxx akm_revo_front __devinitdata = {
 238         .type = SND_AK4381,
 239         .num_dacs = 2,
 240         .ops = {
 241                 .set_rate_val = revo_set_rate_val
 242         },
 243         .dac_info = revo71_front,
 244 };
 245
 246 static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
 247         .caddr = 1,
 248         .cif = 0,
 249         .data_mask = VT1724_REVO_CDOUT,
 250         .clk_mask = VT1724_REVO_CCLK,
 251         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 252         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
 253         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 254         .add_flags = VT1724_REVO_CCLK, /* high at init */
 255         .mask_flags = 0,
 256 };
 257
 258 static struct snd_akm4xxx akm_revo_surround __devinitdata = {
 259         .type = SND_AK4355,
 260         .idx_offset = 1,
 261         .num_dacs = 6,
 262         .ops = {
 263                 .set_rate_val = revo_set_rate_val
 264         },
 265         .dac_info = revo71_surround,
 266 };
 267
 268 static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
 269         .caddr = 3,
 270         .cif = 0,
 271         .data_mask = VT1724_REVO_CDOUT,
 272         .clk_mask = VT1724_REVO_CCLK,
 273         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 274         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 275         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 276         .add_flags = VT1724_REVO_CCLK, /* high at init */
 277         .mask_flags = 0,
 278 };
 279
 280 static struct snd_akm4xxx akm_revo51 __devinitdata = {
 281         .type = SND_AK4358,
 282         .num_dacs = 6,
 283         .ops = {
 284                 .set_rate_val = revo_set_rate_val
 285         },
 286         .dac_info = revo51_dac,
 287 };
 288
 289 static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
 290         .caddr = 2,
 291         .cif = 0,
 292         .data_mask = VT1724_REVO_CDOUT,
 293         .clk_mask = VT1724_REVO_CCLK,
 294         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 295         .cs_addr = VT1724_REVO_CS1,
 296         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 297         .add_flags = VT1724_REVO_CCLK, /* high at init */
 298         .mask_flags = 0,
 299 };
 300
 301 static struct snd_akm4xxx akm_revo51_adc __devinitdata = {
 302         .type = SND_AK5365,
 303         .num_adcs = 2,
 304         .adc_info = revo51_adc,
 305 };
 306
 307 static struct snd_ak4xxx_private akm_revo51_adc_priv __devinitdata = {
 308         .caddr = 2,
 309         .cif = 0,
 310         .data_mask = VT1724_REVO_CDOUT,
 311         .clk_mask = VT1724_REVO_CCLK,
 312         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 313         .cs_addr = VT1724_REVO_CS0,
 314         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 315         .add_flags = VT1724_REVO_CCLK, /* high at init */
 316         .mask_flags = 0,
 317 };
 318
 319 static struct snd_pt2258 ptc_revo51_volume;
 320
 321 /* AK4358 for AP192 DAC, AK5385A for ADC */
 322 static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 323 {
 324         struct snd_ice1712 *ice = ak->private_data[0];
 325         int dfs;
 326
 327         revo_set_rate_val(ak, rate);
 328
 329         /* reset CKS */
 330         snd_ice1712_gpio_write_bits(ice, 1 << 8, rate > 96000 ? 1 << 8 : 0);
 331         /* reset DFS pins of AK5385A for ADC, too */
 332         if (rate > 96000)
 333                 dfs = 2;
 334         else if (rate > 48000)
 335                 dfs = 1;
 336         else
 337                 dfs = 0;
 338         snd_ice1712_gpio_write_bits(ice, 3 << 9, dfs << 9);
 339         /* reset ADC */
 340         snd_ice1712_gpio_write_bits(ice, 1 << 11, 0);
 341         snd_ice1712_gpio_write_bits(ice, 1 << 11, 1 << 11);
 342 }
 343
 344 static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
 345         AK_DAC("PCM Playback Volume", 2)
 346 };
 347
 348 static struct snd_akm4xxx akm_ap192 __devinitdata = {
 349         .type = SND_AK4358,
 350         .num_dacs = 2,
 351         .ops = {
 352                 .set_rate_val = ap192_set_rate_val
 353         },
 354         .dac_info = ap192_dac,
 355 };
 356
 357 static struct snd_ak4xxx_private akm_ap192_priv __devinitdata = {
 358         .caddr = 2,
 359         .cif = 0,
 360         .data_mask = VT1724_REVO_CDOUT,
 361         .clk_mask = VT1724_REVO_CCLK,
 362         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 363         .cs_addr = VT1724_REVO_CS1,
 364         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 365         .add_flags = VT1724_REVO_CCLK, /* high at init */
 366         .mask_flags = 0,
 367 };
 368
 369 /* AK4114 support on Audiophile 192 */
 370 /* CDTO (pin 32) -- GPIO2 pin 52
 371  * CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
 372  * CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
 373  * CSN  (pin 35) -- GPIO7 pin 59
 374  */
 375 #define AK4114_ADDR     0x02
 376
 377 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
 378                        unsigned int data, int idx)
 379 {
 380         for (; idx >= 0; idx--) {
 381                 /* drop clock */
 382                 gpio &= ~VT1724_REVO_CCLK;
 383                 snd_ice1712_gpio_write(ice, gpio);
 384                 udelay(1);
 385                 /* set data */
 386                 if (data & (1 << idx))
 387                         gpio |= VT1724_REVO_CDOUT;
 388                 else
 389                         gpio &= ~VT1724_REVO_CDOUT;
 390                 snd_ice1712_gpio_write(ice, gpio);
 391                 udelay(1);
 392                 /* raise clock */
 393                 gpio |= VT1724_REVO_CCLK;
 394                 snd_ice1712_gpio_write(ice, gpio);
 395                 udelay(1);
 396         }
 397 }
 398
 399 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
 400                                int idx)
 401 {
 402         unsigned char data = 0;
 403
 404         for (; idx >= 0; idx--) {
 405                 /* drop clock */
 406                 gpio &= ~VT1724_REVO_CCLK;
 407                 snd_ice1712_gpio_write(ice, gpio);
 408                 udelay(1);
 409                 /* read data */
 410                 if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
 411                         data |= (1 << idx);
 412                 udelay(1);
 413                 /* raise clock */
 414                 gpio |= VT1724_REVO_CCLK;
 415                 snd_ice1712_gpio_write(ice, gpio);
 416                 udelay(1);
 417         }
 418         return data;
 419 }
 420
 421 static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
 422 {
 423         unsigned int tmp;
 424
 425         snd_ice1712_save_gpio_status(ice);
 426         tmp = snd_ice1712_gpio_read(ice);
 427         tmp |= VT1724_REVO_CCLK; /* high at init */
 428         tmp |= VT1724_REVO_CS0;
 429         tmp &= ~VT1724_REVO_CS1;
 430         snd_ice1712_gpio_write(ice, tmp);
 431         udelay(1);
 432         return tmp;
 433 }
 434
 435 static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
 436 {
 437         tmp |= VT1724_REVO_CS1;
 438         tmp |= VT1724_REVO_CS0;
 439         snd_ice1712_gpio_write(ice, tmp);
 440         udelay(1);
 441         snd_ice1712_restore_gpio_status(ice);
 442 }
 443
 444 static void ap192_ak4114_write(void *private_data, unsigned char addr,
 445                                unsigned char data)
 446 {
 447         struct snd_ice1712 *ice = private_data;
 448         unsigned int tmp, addrdata;
 449
 450         tmp = ap192_4wire_start(ice);
 451         addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
 452         addrdata = (addrdata << 8) | data;
 453         write_data(ice, tmp, addrdata, 15);
 454         ap192_4wire_finish(ice, tmp);
 455 }
 456
 457 static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
 458 {
 459         struct snd_ice1712 *ice = private_data;
 460         unsigned int tmp;
 461         unsigned char data;
 462
 463         tmp = ap192_4wire_start(ice);
 464         write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
 465         data = read_data(ice, tmp, 7);
 466         ap192_4wire_finish(ice, tmp);
 467         return data;
 468 }
 469
 470 static int __devinit ap192_ak4114_init(struct snd_ice1712 *ice)
 471 {
 472         static const unsigned char ak4114_init_vals[] = {
 473                 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
 474                 AK4114_DIF_I24I2S,
 475                 AK4114_TX1E,
 476                 AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1),
 477                 0,
 478                 0
 479         };
 480         static const unsigned char ak4114_init_txcsb[] = {
 481                 0x41, 0x02, 0x2c, 0x00, 0x00
 482         };
 483         struct ak4114 *ak;
 484         int err;
 485
 486         err = snd_ak4114_create(ice->card,
 487                                  ap192_ak4114_read,
 488                                  ap192_ak4114_write,
 489                                  ak4114_init_vals, ak4114_init_txcsb,
 490                                  ice, &ak);
 491         /* AK4114 in Revo cannot detect external rate correctly.
 492          * No reason to stop capture stream due to incorrect checks */
 493         ak->check_flags = AK4114_CHECK_NO_RATE;
 494
 495         return 0; /* error ignored; it's no fatal error */
 496 }
 497
 498 static int __devinit revo_init(struct snd_ice1712 *ice)
 499 {
 500         struct snd_akm4xxx *ak;
 501         int err;
 502
 503         /* determine I2C, DACs and ADCs */
 504         switch (ice->eeprom.subvendor) {
 505         case VT1724_SUBDEVICE_REVOLUTION71:
 506                 ice->num_total_dacs = 8;
 507                 ice->num_total_adcs = 2;
 508                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
 509                 break;
 510         case VT1724_SUBDEVICE_REVOLUTION51:
 511                 ice->num_total_dacs = 6;
 512                 ice->num_total_adcs = 2;
 513                 break;
 514         case VT1724_SUBDEVICE_AUDIOPHILE192:
 515                 ice->num_total_dacs = 2;
 516                 ice->num_total_adcs = 2;
 517                 break;
 518         default:
 519                 snd_BUG();
 520                 return -EINVAL;
 521         }
 522
 523         /* second stage of initialization, analog parts and others */
 524         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
 525         if (! ak)
 526                 return -ENOMEM;
 527         ice->akm_codecs = 2;
 528         switch (ice->eeprom.subvendor) {
 529         case VT1724_SUBDEVICE_REVOLUTION71:
 530                 ice->akm_codecs = 2;
 531                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
 532                         return err;
 533                 if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
 534                         return err;
 535                 /* unmute all codecs */
 536                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 537                 break;
 538         case VT1724_SUBDEVICE_REVOLUTION51:
 539                 ice->akm_codecs = 2;
 540                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
 541                                                &akm_revo51_priv, ice);
 542                 if (err < 0)
 543                         return err;
 544                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
 545                                                &akm_revo51_adc_priv, ice);
 546                 if (err < 0)
 547                         return err;
 548                 err = revo51_i2c_init(ice, &ptc_revo51_volume);
 549                 if (err < 0)
 550                         return err;
 551                 /* unmute all codecs */
 552                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 553                                             VT1724_REVO_MUTE);
 554                 break;
 555         case VT1724_SUBDEVICE_AUDIOPHILE192:
 556                 ice->akm_codecs = 1;
 557                 err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
 558                                                ice);
 559                 if (err < 0)
 560                         return err;
 561
 562                 /* unmute all codecs */
 563                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 564                                             VT1724_REVO_MUTE);
 565                 break;
 566         }
 567
 568         return 0;
 569 }
 570
 571
 572 static int __devinit revo_add_controls(struct snd_ice1712 *ice)
 573 {
 574         struct revo51_spec *spec;
 575         int err;
 576
 577         switch (ice->eeprom.subvendor) {
 578         case VT1724_SUBDEVICE_REVOLUTION71:
 579                 err = snd_ice1712_akm4xxx_build_controls(ice);
 580                 if (err < 0)
 581                         return err;
 582                 break;
 583         case VT1724_SUBDEVICE_REVOLUTION51:
 584                 err = snd_ice1712_akm4xxx_build_controls(ice);
 585                 if (err < 0)
 586                         return err;
 587                 spec = ice->spec;
 588                 err = snd_pt2258_build_controls(spec->pt2258);
 589                 if (err < 0)
 590                         return err;
 591                 break;
 592         case VT1724_SUBDEVICE_AUDIOPHILE192:
 593                 err = snd_ice1712_akm4xxx_build_controls(ice);
 594                 if (err < 0)
 595                         return err;
 596                 err = ap192_ak4114_init(ice);
 597                 if (err < 0)
 598                         return err;
 599                 break;
 600         }
 601         return 0;
 602 }
 603
 604 /* entry point */
 605 struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
 606         {
 607                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
 608                 .name = "M Audio Revolution-7.1",
 609                 .model = "revo71",
 610                 .chip_init = revo_init,
 611                 .build_controls = revo_add_controls,
 612         },
 613         {
 614                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
 615                 .name = "M Audio Revolution-5.1",
 616                 .model = "revo51",
 617                 .chip_init = revo_init,
 618                 .build_controls = revo_add_controls,
 619         },
 620         {
 621                 .subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
 622                 .name = "M Audio Audiophile192",
 623                 .model = "ap192",
 624                 .chip_init = revo_init,
 625                 .build_controls = revo_add_controls,
 626         },
 627         { } /* terminator */
 628 };