Version:  2.0.40 2.2.26 2.4.37 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17

Linux/sound/pci/ice1712/revo.c

  1 /*
  2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
  3  *
  4  *   Lowlevel functions for M-Audio Audiophile 192, Revolution 7.1 and 5.1
  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 <linux/delay.h>
 25 #include <linux/interrupt.h>
 26 #include <linux/init.h>
 27 #include <linux/slab.h>
 28 #include <sound/core.h>
 29 
 30 #include "ice1712.h"
 31 #include "envy24ht.h"
 32 #include "revo.h"
 33 
 34 /* a non-standard I2C device for revo51 */
 35 struct revo51_spec {
 36         struct snd_i2c_device *dev;
 37         struct snd_pt2258 *pt2258;
 38         struct ak4114 *ak4114;
 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); /* 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         AK_DAC("PCM Headphone Volume", 2),
220 };
221 
222 static const char *revo51_adc_input_names[] = {
223         "Mic",
224         "Line",
225         "CD",
226         NULL
227 };
228 
229 static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
230         {
231                 .name = "PCM Capture Volume",
232                 .switch_name = "PCM Capture Switch",
233                 .num_channels = 2,
234                 .input_names = revo51_adc_input_names
235         },
236 };
237 
238 static struct snd_akm4xxx akm_revo_front = {
239         .type = SND_AK4381,
240         .num_dacs = 2,
241         .ops = {
242                 .set_rate_val = revo_set_rate_val
243         },
244         .dac_info = revo71_front,
245 };
246 
247 static struct snd_ak4xxx_private akm_revo_front_priv = {
248         .caddr = 1,
249         .cif = 0,
250         .data_mask = VT1724_REVO_CDOUT,
251         .clk_mask = VT1724_REVO_CCLK,
252         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
253         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
254         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
255         .add_flags = VT1724_REVO_CCLK, /* high at init */
256         .mask_flags = 0,
257 };
258 
259 static struct snd_akm4xxx akm_revo_surround = {
260         .type = SND_AK4355,
261         .idx_offset = 1,
262         .num_dacs = 6,
263         .ops = {
264                 .set_rate_val = revo_set_rate_val
265         },
266         .dac_info = revo71_surround,
267 };
268 
269 static struct snd_ak4xxx_private akm_revo_surround_priv = {
270         .caddr = 3,
271         .cif = 0,
272         .data_mask = VT1724_REVO_CDOUT,
273         .clk_mask = VT1724_REVO_CCLK,
274         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
275         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
276         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
277         .add_flags = VT1724_REVO_CCLK, /* high at init */
278         .mask_flags = 0,
279 };
280 
281 static struct snd_akm4xxx akm_revo51 = {
282         .type = SND_AK4358,
283         .num_dacs = 8,
284         .ops = {
285                 .set_rate_val = revo_set_rate_val
286         },
287         .dac_info = revo51_dac,
288 };
289 
290 static struct snd_ak4xxx_private akm_revo51_priv = {
291         .caddr = 2,
292         .cif = 0,
293         .data_mask = VT1724_REVO_CDOUT,
294         .clk_mask = VT1724_REVO_CCLK,
295         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
296         .cs_addr = VT1724_REVO_CS1,
297         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
298         .add_flags = VT1724_REVO_CCLK, /* high at init */
299         .mask_flags = 0,
300 };
301 
302 static struct snd_akm4xxx akm_revo51_adc = {
303         .type = SND_AK5365,
304         .num_adcs = 2,
305         .adc_info = revo51_adc,
306 };
307 
308 static struct snd_ak4xxx_private akm_revo51_adc_priv = {
309         .caddr = 2,
310         .cif = 0,
311         .data_mask = VT1724_REVO_CDOUT,
312         .clk_mask = VT1724_REVO_CCLK,
313         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
314         .cs_addr = VT1724_REVO_CS0,
315         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
316         .add_flags = VT1724_REVO_CCLK, /* high at init */
317         .mask_flags = 0,
318 };
319 
320 static struct snd_pt2258 ptc_revo51_volume;
321 
322 /* AK4358 for AP192 DAC, AK5385A for ADC */
323 static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
324 {
325         struct snd_ice1712 *ice = ak->private_data[0];
326         int dfs;
327 
328         revo_set_rate_val(ak, rate);
329 
330         /* reset CKS */
331         snd_ice1712_gpio_write_bits(ice, 1 << 8, rate > 96000 ? 1 << 8 : 0);
332         /* reset DFS pins of AK5385A for ADC, too */
333         if (rate > 96000)
334                 dfs = 2;
335         else if (rate > 48000)
336                 dfs = 1;
337         else
338                 dfs = 0;
339         snd_ice1712_gpio_write_bits(ice, 3 << 9, dfs << 9);
340         /* reset ADC */
341         snd_ice1712_gpio_write_bits(ice, 1 << 11, 0);
342         snd_ice1712_gpio_write_bits(ice, 1 << 11, 1 << 11);
343 }
344 
345 static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
346         AK_DAC("PCM Playback Volume", 2)
347 };
348 
349 static struct snd_akm4xxx akm_ap192 = {
350         .type = SND_AK4358,
351         .num_dacs = 2,
352         .ops = {
353                 .set_rate_val = ap192_set_rate_val
354         },
355         .dac_info = ap192_dac,
356 };
357 
358 static struct snd_ak4xxx_private akm_ap192_priv = {
359         .caddr = 2,
360         .cif = 0,
361         .data_mask = VT1724_REVO_CDOUT,
362         .clk_mask = VT1724_REVO_CCLK,
363         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
364         .cs_addr = VT1724_REVO_CS3,
365         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
366         .add_flags = VT1724_REVO_CCLK, /* high at init */
367         .mask_flags = 0,
368 };
369 
370 /* AK4114 support on Audiophile 192 */
371 /* CDTO (pin 32) -- GPIO2 pin 52
372  * CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
373  * CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
374  * CSN  (pin 35) -- GPIO7 pin 59
375  */
376 #define AK4114_ADDR     0x00
377 
378 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
379                        unsigned int data, int idx)
380 {
381         for (; idx >= 0; idx--) {
382                 /* drop clock */
383                 gpio &= ~VT1724_REVO_CCLK;
384                 snd_ice1712_gpio_write(ice, gpio);
385                 udelay(1);
386                 /* set data */
387                 if (data & (1 << idx))
388                         gpio |= VT1724_REVO_CDOUT;
389                 else
390                         gpio &= ~VT1724_REVO_CDOUT;
391                 snd_ice1712_gpio_write(ice, gpio);
392                 udelay(1);
393                 /* raise clock */
394                 gpio |= VT1724_REVO_CCLK;
395                 snd_ice1712_gpio_write(ice, gpio);
396                 udelay(1);
397         }
398 }
399 
400 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
401                                int idx)
402 {
403         unsigned char data = 0;
404 
405         for (; idx >= 0; idx--) {
406                 /* drop clock */
407                 gpio &= ~VT1724_REVO_CCLK;
408                 snd_ice1712_gpio_write(ice, gpio);
409                 udelay(1);
410                 /* read data */
411                 if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
412                         data |= (1 << idx);
413                 udelay(1);
414                 /* raise clock */
415                 gpio |= VT1724_REVO_CCLK;
416                 snd_ice1712_gpio_write(ice, gpio);
417                 udelay(1);
418         }
419         return data;
420 }
421 
422 static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
423 {
424         unsigned int tmp;
425 
426         snd_ice1712_save_gpio_status(ice);
427         tmp = snd_ice1712_gpio_read(ice);
428         tmp |= VT1724_REVO_CCLK; /* high at init */
429         tmp |= VT1724_REVO_CS0;
430         tmp &= ~VT1724_REVO_CS3;
431         snd_ice1712_gpio_write(ice, tmp);
432         udelay(1);
433         return tmp;
434 }
435 
436 static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
437 {
438         tmp |= VT1724_REVO_CS3;
439         tmp |= VT1724_REVO_CS0;
440         snd_ice1712_gpio_write(ice, tmp);
441         udelay(1);
442         snd_ice1712_restore_gpio_status(ice);
443 }
444 
445 static void ap192_ak4114_write(void *private_data, unsigned char addr,
446                                unsigned char data)
447 {
448         struct snd_ice1712 *ice = private_data;
449         unsigned int tmp, addrdata;
450 
451         tmp = ap192_4wire_start(ice);
452         addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
453         addrdata = (addrdata << 8) | data;
454         write_data(ice, tmp, addrdata, 15);
455         ap192_4wire_finish(ice, tmp);
456 }
457 
458 static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
459 {
460         struct snd_ice1712 *ice = private_data;
461         unsigned int tmp;
462         unsigned char data;
463 
464         tmp = ap192_4wire_start(ice);
465         write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
466         data = read_data(ice, tmp, 7);
467         ap192_4wire_finish(ice, tmp);
468         return data;
469 }
470 
471 static int ap192_ak4114_init(struct snd_ice1712 *ice)
472 {
473         static const unsigned char ak4114_init_vals[] = {
474                 AK4114_RST | AK4114_PWN | AK4114_OCKS0,
475                 AK4114_DIF_I24I2S,
476                 AK4114_TX1E,
477                 AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(0),
478                 0,
479                 0
480         };
481         static const unsigned char ak4114_init_txcsb[] = {
482                 0x41, 0x02, 0x2c, 0x00, 0x00
483         };
484         int err;
485 
486         struct revo51_spec *spec;
487         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
488         if (!spec)
489                 return -ENOMEM;
490         ice->spec = spec;
491 
492         err = snd_ak4114_create(ice->card,
493                                  ap192_ak4114_read,
494                                  ap192_ak4114_write,
495                                  ak4114_init_vals, ak4114_init_txcsb,
496                                  ice, &spec->ak4114);
497         /* AK4114 in Revo cannot detect external rate correctly.
498          * No reason to stop capture stream due to incorrect checks */
499         spec->ak4114->check_flags = AK4114_CHECK_NO_RATE;
500 
501         return 0; /* error ignored; it's no fatal error */
502 }
503 
504 static int revo_init(struct snd_ice1712 *ice)
505 {
506         struct snd_akm4xxx *ak;
507         int err;
508 
509         /* determine I2C, DACs and ADCs */
510         switch (ice->eeprom.subvendor) {
511         case VT1724_SUBDEVICE_REVOLUTION71:
512                 ice->num_total_dacs = 8;
513                 ice->num_total_adcs = 2;
514                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
515                 break;
516         case VT1724_SUBDEVICE_REVOLUTION51:
517                 ice->num_total_dacs = 8;
518                 ice->num_total_adcs = 2;
519                 break;
520         case VT1724_SUBDEVICE_AUDIOPHILE192:
521                 ice->num_total_dacs = 2;
522                 ice->num_total_adcs = 2;
523                 break;
524         default:
525                 snd_BUG();
526                 return -EINVAL;
527         }
528 
529         /* second stage of initialization, analog parts and others */
530         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
531         if (! ak)
532                 return -ENOMEM;
533         switch (ice->eeprom.subvendor) {
534         case VT1724_SUBDEVICE_REVOLUTION71:
535                 ice->akm_codecs = 2;
536                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front,
537                                                 &akm_revo_front_priv, ice);
538                 if (err < 0)
539                         return err;
540                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo_surround,
541                                                 &akm_revo_surround_priv, ice);
542                 if (err < 0)
543                         return err;
544                 /* unmute all codecs */
545                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
546                                                 VT1724_REVO_MUTE);
547                 break;
548         case VT1724_SUBDEVICE_REVOLUTION51:
549                 ice->akm_codecs = 2;
550                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
551                                                &akm_revo51_priv, ice);
552                 if (err < 0)
553                         return err;
554                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
555                                                &akm_revo51_adc_priv, ice);
556                 if (err < 0)
557                         return err;
558                 err = revo51_i2c_init(ice, &ptc_revo51_volume);
559                 if (err < 0)
560                         return err;
561                 /* unmute all codecs */
562                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
563                                             VT1724_REVO_MUTE);
564                 break;
565         case VT1724_SUBDEVICE_AUDIOPHILE192:
566                 ice->akm_codecs = 1;
567                 err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
568                                                ice);
569                 if (err < 0)
570                         return err;
571                 err = ap192_ak4114_init(ice);
572                 if (err < 0)
573                         return err;
574                 
575                 /* unmute all codecs */
576                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
577                                             VT1724_REVO_MUTE);
578                 break;
579         }
580 
581         return 0;
582 }
583 
584 
585 static int revo_add_controls(struct snd_ice1712 *ice)
586 {
587         struct revo51_spec *spec = ice->spec;
588         int err;
589 
590         switch (ice->eeprom.subvendor) {
591         case VT1724_SUBDEVICE_REVOLUTION71:
592                 err = snd_ice1712_akm4xxx_build_controls(ice);
593                 if (err < 0)
594                         return err;
595                 break;
596         case VT1724_SUBDEVICE_REVOLUTION51:
597                 err = snd_ice1712_akm4xxx_build_controls(ice);
598                 if (err < 0)
599                         return err;
600                 spec = ice->spec;
601                 err = snd_pt2258_build_controls(spec->pt2258);
602                 if (err < 0)
603                         return err;
604                 break;
605         case VT1724_SUBDEVICE_AUDIOPHILE192:
606                 err = snd_ice1712_akm4xxx_build_controls(ice);
607                 if (err < 0)
608                         return err;
609                 /* only capture SPDIF over AK4114 */
610                 err = snd_ak4114_build(spec->ak4114, NULL,
611                    ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
612                 if (err < 0)
613                         return err;
614                 break;
615         }
616         return 0;
617 }
618 
619 /* entry point */
620 struct snd_ice1712_card_info snd_vt1724_revo_cards[] = {
621         {
622                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
623                 .name = "M Audio Revolution-7.1",
624                 .model = "revo71",
625                 .chip_init = revo_init,
626                 .build_controls = revo_add_controls,
627         },
628         {
629                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
630                 .name = "M Audio Revolution-5.1",
631                 .model = "revo51",
632                 .chip_init = revo_init,
633                 .build_controls = revo_add_controls,
634         },
635         {
636                 .subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
637                 .name = "M Audio Audiophile192",
638                 .model = "ap192",
639                 .chip_init = revo_init,
640                 .build_controls = revo_add_controls,
641         },
642         { } /* terminator */
643 };
644 

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