sound/pci/ice1712/revo.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
   4  *
   5  *   Lowlevel functions for M-Audio Audiophile 192, Revolution 7.1 and 5.1
   6  *
   7  *      Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
   8  */
   9
  10 #include <linux/delay.h>
  11 #include <linux/interrupt.h>
  12 #include <linux/init.h>
  13 #include <linux/slab.h>
  14 #include <sound/core.h>
  15
  16 #include "ice1712.h"
  17 #include "envy24ht.h"
  18 #include "revo.h"
  19
  20 /* a non-standard I2C device for revo51 */
  21 struct revo51_spec {
  22         struct snd_i2c_device *dev;
  23         struct snd_pt2258 *pt2258;
  24         struct ak4114 *ak4114;
  25 };
  26
  27 static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
  28 {
  29         /* assert PRST# to converters; MT05 bit 7 */
  30         outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
  31         mdelay(5);
  32         /* deassert PRST# */
  33         outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
  34 }
  35
  36 /*
  37  * change the rate of Envy24HT, AK4355 and AK4381
  38  */
  39 static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
  40 {
  41         unsigned char old, tmp, dfs;
  42         int reg, shift;
  43
  44         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
  45                 return;
  46
  47         /* adjust DFS on codecs */
  48         if (rate > 96000)
  49                 dfs = 2;
  50         else if (rate > 48000)
  51                 dfs = 1;
  52         else
  53                 dfs = 0;
  54
  55         if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
  56                 reg = 2;
  57                 shift = 4;
  58         } else {
  59                 reg = 1;
  60                 shift = 3;
  61         }
  62         tmp = snd_akm4xxx_get(ak, 0, reg);
  63         old = (tmp >> shift) & 0x03;
  64         if (old == dfs)
  65                 return;
  66
  67         /* reset DFS */
  68         snd_akm4xxx_reset(ak, 1);
  69         tmp = snd_akm4xxx_get(ak, 0, reg);
  70         tmp &= ~(0x03 << shift);
  71         tmp |= dfs << shift;
  72         /* snd_akm4xxx_write(ak, 0, reg, tmp); */
  73         snd_akm4xxx_set(ak, 0, reg, tmp); /* value is written in reset(0) */
  74         snd_akm4xxx_reset(ak, 0);
  75 }
  76
  77 /*
  78  * I2C access to the PT2258 volume controller on GPIO 6/7 (Revolution 5.1)
  79  */
  80
  81 static void revo_i2c_start(struct snd_i2c_bus *bus)
  82 {
  83         struct snd_ice1712 *ice = bus->private_data;
  84         snd_ice1712_save_gpio_status(ice);
  85 }
  86
  87 static void revo_i2c_stop(struct snd_i2c_bus *bus)
  88 {
  89         struct snd_ice1712 *ice = bus->private_data;
  90         snd_ice1712_restore_gpio_status(ice);
  91 }
  92
  93 static void revo_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
  94 {
  95         struct snd_ice1712 *ice = bus->private_data;
  96         unsigned int mask, val;
  97
  98         val = 0;
  99         if (clock)
 100                 val |= VT1724_REVO_I2C_CLOCK;   /* write SCL */
 101         if (data)
 102                 val |= VT1724_REVO_I2C_DATA;    /* write SDA */
 103         mask = VT1724_REVO_I2C_CLOCK | VT1724_REVO_I2C_DATA;
 104         ice->gpio.direction &= ~mask;
 105         ice->gpio.direction |= val;
 106         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 107         snd_ice1712_gpio_set_mask(ice, ~mask);
 108 }
 109
 110 static void revo_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
 111 {
 112         struct snd_ice1712 *ice = bus->private_data;
 113         unsigned int val = 0;
 114
 115         if (clk)
 116                 val |= VT1724_REVO_I2C_CLOCK;
 117         if (data)
 118                 val |= VT1724_REVO_I2C_DATA;
 119         snd_ice1712_gpio_write_bits(ice,
 120                                     VT1724_REVO_I2C_DATA |
 121                                     VT1724_REVO_I2C_CLOCK, val);
 122         udelay(5);
 123 }
 124
 125 static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
 126 {
 127         struct snd_ice1712 *ice = bus->private_data;
 128         int bit;
 129
 130         if (ack)
 131                 udelay(5);
 132         bit = snd_ice1712_gpio_read_bits(ice, VT1724_REVO_I2C_DATA) ? 1 : 0;
 133         return bit;
 134 }
 135
 136 static struct snd_i2c_bit_ops revo51_bit_ops = {
 137         .start = revo_i2c_start,
 138         .stop = revo_i2c_stop,
 139         .direction = revo_i2c_direction,
 140         .setlines = revo_i2c_setlines,
 141         .getdata = revo_i2c_getdata,
 142 };
 143
 144 static int revo51_i2c_init(struct snd_ice1712 *ice,
 145                            struct snd_pt2258 *pt)
 146 {
 147         struct revo51_spec *spec;
 148         int err;
 149
 150         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 151         if (!spec)
 152                 return -ENOMEM;
 153         ice->spec = spec;
 154
 155         /* create the I2C bus */
 156         err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
 157         if (err < 0)
 158                 return err;
 159
 160         ice->i2c->private_data = ice;
 161         ice->i2c->hw_ops.bit = &revo51_bit_ops;
 162
 163         /* create the I2C device */
 164         err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40, &spec->dev);
 165         if (err < 0)
 166                 return err;
 167
 168         pt->card = ice->card;
 169         pt->i2c_bus = ice->i2c;
 170         pt->i2c_dev = spec->dev;
 171         spec->pt2258 = pt;
 172
 173         snd_pt2258_reset(pt);
 174
 175         return 0;
 176 }
 177
 178 /*
 179  * initialize the chips on M-Audio Revolution cards
 180  */
 181
 182 #define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
 183
 184 static const struct snd_akm4xxx_dac_channel revo71_front[] = {
 185         {
 186                 .name = "PCM Playback Volume",
 187                 .num_channels = 2,
 188                 /* front channels DAC supports muting */
 189                 .switch_name = "PCM Playback Switch",
 190         },
 191 };
 192
 193 static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
 194         AK_DAC("PCM Center Playback Volume", 1),
 195         AK_DAC("PCM LFE Playback Volume", 1),
 196         AK_DAC("PCM Side Playback Volume", 2),
 197         AK_DAC("PCM Rear Playback Volume", 2),
 198 };
 199
 200 static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
 201         AK_DAC("PCM Playback Volume", 2),
 202         AK_DAC("PCM Center Playback Volume", 1),
 203         AK_DAC("PCM LFE Playback Volume", 1),
 204         AK_DAC("PCM Rear Playback Volume", 2),
 205         AK_DAC("PCM Headphone Volume", 2),
 206 };
 207
 208 static const char *revo51_adc_input_names[] = {
 209         "Mic",
 210         "Line",
 211         "CD",
 212         NULL
 213 };
 214
 215 static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
 216         {
 217                 .name = "PCM Capture Volume",
 218                 .switch_name = "PCM Capture Switch",
 219                 .num_channels = 2,
 220                 .input_names = revo51_adc_input_names
 221         },
 222 };
 223
 224 static const struct snd_akm4xxx akm_revo_front = {
 225         .type = SND_AK4381,
 226         .num_dacs = 2,
 227         .ops = {
 228                 .set_rate_val = revo_set_rate_val
 229         },
 230         .dac_info = revo71_front,
 231 };
 232
 233 static const struct snd_ak4xxx_private akm_revo_front_priv = {
 234         .caddr = 1,
 235         .cif = 0,
 236         .data_mask = VT1724_REVO_CDOUT,
 237         .clk_mask = VT1724_REVO_CCLK,
 238         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 239         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
 240         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 241         .add_flags = VT1724_REVO_CCLK, /* high at init */
 242         .mask_flags = 0,
 243 };
 244
 245 static const struct snd_akm4xxx akm_revo_surround = {
 246         .type = SND_AK4355,
 247         .idx_offset = 1,
 248         .num_dacs = 6,
 249         .ops = {
 250                 .set_rate_val = revo_set_rate_val
 251         },
 252         .dac_info = revo71_surround,
 253 };
 254
 255 static const struct snd_ak4xxx_private akm_revo_surround_priv = {
 256         .caddr = 3,
 257         .cif = 0,
 258         .data_mask = VT1724_REVO_CDOUT,
 259         .clk_mask = VT1724_REVO_CCLK,
 260         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 261         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 262         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 263         .add_flags = VT1724_REVO_CCLK, /* high at init */
 264         .mask_flags = 0,
 265 };
 266
 267 static const struct snd_akm4xxx akm_revo51 = {
 268         .type = SND_AK4358,
 269         .num_dacs = 8,
 270         .ops = {
 271                 .set_rate_val = revo_set_rate_val
 272         },
 273         .dac_info = revo51_dac,
 274 };
 275
 276 static const struct snd_ak4xxx_private akm_revo51_priv = {
 277         .caddr = 2,
 278         .cif = 0,
 279         .data_mask = VT1724_REVO_CDOUT,
 280         .clk_mask = VT1724_REVO_CCLK,
 281         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 282         .cs_addr = VT1724_REVO_CS1,
 283         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 284         .add_flags = VT1724_REVO_CCLK, /* high at init */
 285         .mask_flags = 0,
 286 };
 287
 288 static const struct snd_akm4xxx akm_revo51_adc = {
 289         .type = SND_AK5365,
 290         .num_adcs = 2,
 291         .adc_info = revo51_adc,
 292 };
 293
 294 static const struct snd_ak4xxx_private akm_revo51_adc_priv = {
 295         .caddr = 2,
 296         .cif = 0,
 297         .data_mask = VT1724_REVO_CDOUT,
 298         .clk_mask = VT1724_REVO_CCLK,
 299         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 300         .cs_addr = VT1724_REVO_CS0,
 301         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 302         .add_flags = VT1724_REVO_CCLK, /* high at init */
 303         .mask_flags = 0,
 304 };
 305
 306 static struct snd_pt2258 ptc_revo51_volume;
 307
 308 /* AK4358 for AP192 DAC, AK5385A for ADC */
 309 static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 310 {
 311         struct snd_ice1712 *ice = ak->private_data[0];
 312         int dfs;
 313
 314         revo_set_rate_val(ak, rate);
 315
 316         /* reset CKS */
 317         snd_ice1712_gpio_write_bits(ice, 1 << 8, rate > 96000 ? 1 << 8 : 0);
 318         /* reset DFS pins of AK5385A for ADC, too */
 319         if (rate > 96000)
 320                 dfs = 2;
 321         else if (rate > 48000)
 322                 dfs = 1;
 323         else
 324                 dfs = 0;
 325         snd_ice1712_gpio_write_bits(ice, 3 << 9, dfs << 9);
 326         /* reset ADC */
 327         snd_ice1712_gpio_write_bits(ice, 1 << 11, 0);
 328         snd_ice1712_gpio_write_bits(ice, 1 << 11, 1 << 11);
 329 }
 330
 331 static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
 332         AK_DAC("PCM Playback Volume", 2)
 333 };
 334
 335 static const struct snd_akm4xxx akm_ap192 = {
 336         .type = SND_AK4358,
 337         .num_dacs = 2,
 338         .ops = {
 339                 .set_rate_val = ap192_set_rate_val
 340         },
 341         .dac_info = ap192_dac,
 342 };
 343
 344 static const struct snd_ak4xxx_private akm_ap192_priv = {
 345         .caddr = 2,
 346         .cif = 0,
 347         .data_mask = VT1724_REVO_CDOUT,
 348         .clk_mask = VT1724_REVO_CCLK,
 349         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
 350         .cs_addr = VT1724_REVO_CS3,
 351         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
 352         .add_flags = VT1724_REVO_CCLK, /* high at init */
 353         .mask_flags = 0,
 354 };
 355
 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 int 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,
 461                 AK4114_DIF_I24I2S,
 462                 AK4114_TX1E,
 463                 AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(0),
 464                 0,
 465                 0
 466         };
 467         static const unsigned char ak4114_init_txcsb[] = {
 468                 0x41, 0x02, 0x2c, 0x00, 0x00
 469         };
 470         int err;
 471
 472         struct revo51_spec *spec;
 473         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 474         if (!spec)
 475                 return -ENOMEM;
 476         ice->spec = spec;
 477
 478         err = snd_ak4114_create(ice->card,
 479                                  ap192_ak4114_read,
 480                                  ap192_ak4114_write,
 481                                  ak4114_init_vals, ak4114_init_txcsb,
 482                                  ice, &spec->ak4114);
 483         if (err < 0)
 484                 return err;
 485         /* AK4114 in Revo cannot detect external rate correctly.
 486          * No reason to stop capture stream due to incorrect checks */
 487         spec->ak4114->check_flags = AK4114_CHECK_NO_RATE;
 488
 489         return 0;
 490 }
 491
 492 static int revo_init(struct snd_ice1712 *ice)
 493 {
 494         struct snd_akm4xxx *ak;
 495         int err;
 496
 497         /* determine I2C, DACs and ADCs */
 498         switch (ice->eeprom.subvendor) {
 499         case VT1724_SUBDEVICE_REVOLUTION71:
 500                 ice->num_total_dacs = 8;
 501                 ice->num_total_adcs = 2;
 502                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
 503                 break;
 504         case VT1724_SUBDEVICE_REVOLUTION51:
 505                 ice->num_total_dacs = 8;
 506                 ice->num_total_adcs = 2;
 507                 break;
 508         case VT1724_SUBDEVICE_AUDIOPHILE192:
 509                 ice->num_total_dacs = 2;
 510                 ice->num_total_adcs = 2;
 511                 break;
 512         default:
 513                 snd_BUG();
 514                 return -EINVAL;
 515         }
 516
 517         /* second stage of initialization, analog parts and others */
 518         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
 519         if (! ak)
 520                 return -ENOMEM;
 521         switch (ice->eeprom.subvendor) {
 522         case VT1724_SUBDEVICE_REVOLUTION71:
 523                 ice->akm_codecs = 2;
 524                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front,
 525                                                 &akm_revo_front_priv, ice);
 526                 if (err < 0)
 527                         return err;
 528                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo_surround,
 529                                                 &akm_revo_surround_priv, ice);
 530                 if (err < 0)
 531                         return err;
 532                 /* unmute all codecs */
 533                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 534                                                 VT1724_REVO_MUTE);
 535                 break;
 536         case VT1724_SUBDEVICE_REVOLUTION51:
 537                 ice->akm_codecs = 2;
 538                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
 539                                                &akm_revo51_priv, ice);
 540                 if (err < 0)
 541                         return err;
 542                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
 543                                                &akm_revo51_adc_priv, ice);
 544                 if (err < 0)
 545                         return err;
 546                 err = revo51_i2c_init(ice, &ptc_revo51_volume);
 547                 if (err < 0)
 548                         return err;
 549                 /* unmute all codecs */
 550                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 551                                             VT1724_REVO_MUTE);
 552                 break;
 553         case VT1724_SUBDEVICE_AUDIOPHILE192:
 554                 ice->akm_codecs = 1;
 555                 err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
 556                                                ice);
 557                 if (err < 0)
 558                         return err;
 559                 err = ap192_ak4114_init(ice);
 560                 if (err < 0)
 561                         return err;
 562
 563                 /* unmute all codecs */
 564                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 565                                             VT1724_REVO_MUTE);
 566                 break;
 567         }
 568
 569         return 0;
 570 }
 571
 572
 573 static int revo_add_controls(struct snd_ice1712 *ice)
 574 {
 575         struct revo51_spec *spec = ice->spec;
 576         int err;
 577
 578         switch (ice->eeprom.subvendor) {
 579         case VT1724_SUBDEVICE_REVOLUTION71:
 580                 err = snd_ice1712_akm4xxx_build_controls(ice);
 581                 if (err < 0)
 582                         return err;
 583                 break;
 584         case VT1724_SUBDEVICE_REVOLUTION51:
 585                 err = snd_ice1712_akm4xxx_build_controls(ice);
 586                 if (err < 0)
 587                         return err;
 588                 spec = ice->spec;
 589                 err = snd_pt2258_build_controls(spec->pt2258);
 590                 if (err < 0)
 591                         return err;
 592                 break;
 593         case VT1724_SUBDEVICE_AUDIOPHILE192:
 594                 err = snd_ice1712_akm4xxx_build_controls(ice);
 595                 if (err < 0)
 596                         return err;
 597                 /* only capture SPDIF over AK4114 */
 598                 err = snd_ak4114_build(spec->ak4114, NULL,
 599                    ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
 600                 if (err < 0)
 601                         return err;
 602                 break;
 603         }
 604         return 0;
 605 }
 606
 607 /* entry point */
 608 struct snd_ice1712_card_info snd_vt1724_revo_cards[] = {
 609         {
 610                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
 611                 .name = "M Audio Revolution-7.1",
 612                 .model = "revo71",
 613                 .chip_init = revo_init,
 614                 .build_controls = revo_add_controls,
 615         },
 616         {
 617                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
 618                 .name = "M Audio Revolution-5.1",
 619                 .model = "revo51",
 620                 .chip_init = revo_init,
 621                 .build_controls = revo_add_controls,
 622         },
 623         {
 624                 .subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
 625                 .name = "M Audio Audiophile192",
 626                 .model = "ap192",
 627                 .chip_init = revo_init,
 628                 .build_controls = revo_add_controls,
 629         },
 630         { } /* terminator */
 631 };