ALSA: virtuoso: remove non-working controls on Essence ST Deluxe
[pandora-kernel.git] / sound / pci / oxygen / xonar_pcm179x.c
1 /*
2  * card driver for models with PCM1796 DACs (Xonar D2/D2X/HDAV1.3/ST/STX)
3  *
4  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5  *
6  *
7  *  This driver is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License, version 2.
9  *
10  *  This driver is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this driver; if not, see <http://www.gnu.org/licenses/>.
17  */
18
19 /*
20  * Xonar D2/D2X
21  * ------------
22  *
23  * CMI8788:
24  *
25  *   SPI 0 -> 1st PCM1796 (front)
26  *   SPI 1 -> 2nd PCM1796 (surround)
27  *   SPI 2 -> 3rd PCM1796 (center/LFE)
28  *   SPI 4 -> 4th PCM1796 (back)
29  *
30  *   GPIO 2 -> M0 of CS5381
31  *   GPIO 3 -> M1 of CS5381
32  *   GPIO 5 <- external power present (D2X only)
33  *   GPIO 7 -> ALT
34  *   GPIO 8 -> enable output to speakers
35  *
36  * CM9780:
37  *
38  *   LINE_OUT -> input of ADC
39  *
40  *   AUX_IN   <- aux
41  *   VIDEO_IN <- CD
42  *   FMIC_IN  <- mic
43  *
44  *   GPO 0 -> route line-in (0) or AC97 output (1) to CS5381 input
45  */
46
47 /*
48  * Xonar HDAV1.3 (Deluxe)
49  * ----------------------
50  *
51  * CMI8788:
52  *
53  *   I²C <-> PCM1796 (addr 1001100) (front)
54  *
55  *   GPI 0 <- external power present
56  *
57  *   GPIO 0 -> enable HDMI (0) or speaker (1) output
58  *   GPIO 2 -> M0 of CS5381
59  *   GPIO 3 -> M1 of CS5381
60  *   GPIO 4 <- daughterboard detection
61  *   GPIO 5 <- daughterboard detection
62  *   GPIO 6 -> ?
63  *   GPIO 7 -> ?
64  *   GPIO 8 -> route input jack to line-in (0) or mic-in (1)
65  *
66  *   UART <-> HDMI controller
67  *
68  * CM9780:
69  *
70  *   LINE_OUT -> input of ADC
71  *
72  *   AUX_IN <- aux
73  *   CD_IN  <- CD
74  *   MIC_IN <- mic
75  *
76  *   GPO 0 -> route line-in (0) or AC97 output (1) to CS5381 input
77  *
78  * no daughterboard
79  * ----------------
80  *
81  *   GPIO 4 <- 1
82  *
83  * H6 daughterboard
84  * ----------------
85  *
86  *   GPIO 4 <- 0
87  *   GPIO 5 <- 0
88  *
89  *   I²C <-> PCM1796 (addr 1001101) (surround)
90  *       <-> PCM1796 (addr 1001110) (center/LFE)
91  *       <-> PCM1796 (addr 1001111) (back)
92  *
93  * unknown daughterboard
94  * ---------------------
95  *
96  *   GPIO 4 <- 0
97  *   GPIO 5 <- 1
98  *
99  *   I²C <-> CS4362A (addr 0011000) (surround, center/LFE, back)
100  */
101
102 /*
103  * Xonar Essence ST (Deluxe)/STX
104  * -----------------------------
105  *
106  * CMI8788:
107  *
108  *   I²C <-> PCM1792A (addr 1001100)
109  *       <-> CS2000 (addr 1001110) (ST only)
110  *
111  *   ADC1 MCLK -> REF_CLK of CS2000 (ST only)
112  *
113  *   GPI 0 <- external power present (STX only)
114  *
115  *   GPIO 0 -> enable output to speakers
116  *   GPIO 1 -> route HP to front panel (0) or rear jack (1)
117  *   GPIO 2 -> M0 of CS5381
118  *   GPIO 3 -> M1 of CS5381
119  *   GPIO 4 <- daughterboard detection
120  *   GPIO 5 <- daughterboard detection
121  *   GPIO 6 -> ?
122  *   GPIO 7 -> route output to speaker jacks (0) or HP (1)
123  *   GPIO 8 -> route input jack to line-in (0) or mic-in (1)
124  *
125  * PCM1792A:
126  *
127  *   SCK <- CLK_OUT of CS2000 (ST only)
128  *
129  * CM9780:
130  *
131  *   LINE_OUT -> input of ADC
132  *
133  *   AUX_IN <- aux
134  *   MIC_IN <- mic
135  *
136  *   GPO 0 -> route line-in (0) or AC97 output (1) to CS5381 input
137  *
138  * H6 daughterboard
139  * ----------------
140  *
141  * GPIO 4 <- 0
142  * GPIO 5 <- 0
143  */
144
145 /*
146  * Xonar Xense
147  * -----------
148  *
149  * CMI8788:
150  *
151  *   I²C <-> PCM1796 (addr 1001100) (front)
152  *       <-> CS4362A (addr 0011000) (surround, center/LFE, back)
153  *       <-> CS2000 (addr 1001110)
154  *
155  *   ADC1 MCLK -> REF_CLK of CS2000
156  *
157  *   GPI 0 <- external power present
158  *
159  *   GPIO 0 -> enable output
160  *   GPIO 1 -> route HP to front panel (0) or rear jack (1)
161  *   GPIO 2 -> M0 of CS5381
162  *   GPIO 3 -> M1 of CS5381
163  *   GPIO 4 -> enable output
164  *   GPIO 5 -> enable output
165  *   GPIO 6 -> ?
166  *   GPIO 7 -> route output to HP (0) or speaker (1)
167  *   GPIO 8 -> route input jack to mic-in (0) or line-in (1)
168  *
169  * CM9780:
170  *
171  *   LINE_OUT -> input of ADC
172  *
173  *   AUX_IN   <- aux
174  *   VIDEO_IN <- ?
175  *   FMIC_IN  <- mic
176  *
177  *   GPO 0 -> route line-in (0) or AC97 output (1) to CS5381 input
178  *   GPO 1 -> route mic-in from input jack (0) or front panel header (1)
179  */
180
181 #include <linux/pci.h>
182 #include <linux/delay.h>
183 #include <linux/mutex.h>
184 #include <sound/ac97_codec.h>
185 #include <sound/control.h>
186 #include <sound/core.h>
187 #include <sound/info.h>
188 #include <sound/pcm.h>
189 #include <sound/pcm_params.h>
190 #include <sound/tlv.h>
191 #include "xonar.h"
192 #include "cm9780.h"
193 #include "pcm1796.h"
194 #include "cs2000.h"
195
196
197 #define GPIO_D2X_EXT_POWER      0x0020
198 #define GPIO_D2_ALT             0x0080
199 #define GPIO_D2_OUTPUT_ENABLE   0x0100
200
201 #define GPI_EXT_POWER           0x01
202 #define GPIO_INPUT_ROUTE        0x0100
203
204 #define GPIO_HDAV_OUTPUT_ENABLE 0x0001
205 #define GPIO_HDAV_MAGIC         0x00c0
206
207 #define GPIO_DB_MASK            0x0030
208 #define GPIO_DB_H6              0x0000
209
210 #define GPIO_ST_OUTPUT_ENABLE   0x0001
211 #define GPIO_ST_HP_REAR         0x0002
212 #define GPIO_ST_MAGIC           0x0040
213 #define GPIO_ST_HP              0x0080
214
215 #define I2C_DEVICE_PCM1796(i)   (0x98 + ((i) << 1))     /* 10011, ii, /W=0 */
216 #define I2C_DEVICE_CS2000       0x9c                    /* 100111, 0, /W=0 */
217
218 #define PCM1796_REG_BASE        16
219
220
221 struct xonar_pcm179x {
222         struct xonar_generic generic;
223         unsigned int dacs;
224         u8 pcm1796_regs[4][5];
225         unsigned int current_rate;
226         bool os_128;
227         bool hp_active;
228         s8 hp_gain_offset;
229         bool has_cs2000;
230         u8 cs2000_regs[0x1f];
231         bool broken_i2c;
232 };
233
234 struct xonar_hdav {
235         struct xonar_pcm179x pcm179x;
236         struct xonar_hdmi hdmi;
237 };
238
239
240 static inline void pcm1796_write_spi(struct oxygen *chip, unsigned int codec,
241                                      u8 reg, u8 value)
242 {
243         /* maps ALSA channel pair number to SPI output */
244         static const u8 codec_map[4] = {
245                 0, 1, 2, 4
246         };
247         oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
248                          OXYGEN_SPI_DATA_LENGTH_2 |
249                          OXYGEN_SPI_CLOCK_160 |
250                          (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
251                          OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
252                          (reg << 8) | value);
253 }
254
255 static inline void pcm1796_write_i2c(struct oxygen *chip, unsigned int codec,
256                                      u8 reg, u8 value)
257 {
258         oxygen_write_i2c(chip, I2C_DEVICE_PCM1796(codec), reg, value);
259 }
260
261 static void pcm1796_write(struct oxygen *chip, unsigned int codec,
262                           u8 reg, u8 value)
263 {
264         struct xonar_pcm179x *data = chip->model_data;
265
266         if ((chip->model.function_flags & OXYGEN_FUNCTION_2WIRE_SPI_MASK) ==
267             OXYGEN_FUNCTION_SPI)
268                 pcm1796_write_spi(chip, codec, reg, value);
269         else
270                 pcm1796_write_i2c(chip, codec, reg, value);
271         if ((unsigned int)(reg - PCM1796_REG_BASE)
272             < ARRAY_SIZE(data->pcm1796_regs[codec]))
273                 data->pcm1796_regs[codec][reg - PCM1796_REG_BASE] = value;
274 }
275
276 static void pcm1796_write_cached(struct oxygen *chip, unsigned int codec,
277                                  u8 reg, u8 value)
278 {
279         struct xonar_pcm179x *data = chip->model_data;
280
281         if (value != data->pcm1796_regs[codec][reg - PCM1796_REG_BASE])
282                 pcm1796_write(chip, codec, reg, value);
283 }
284
285 static void cs2000_write(struct oxygen *chip, u8 reg, u8 value)
286 {
287         struct xonar_pcm179x *data = chip->model_data;
288
289         oxygen_write_i2c(chip, I2C_DEVICE_CS2000, reg, value);
290         data->cs2000_regs[reg] = value;
291 }
292
293 static void cs2000_write_cached(struct oxygen *chip, u8 reg, u8 value)
294 {
295         struct xonar_pcm179x *data = chip->model_data;
296
297         if (value != data->cs2000_regs[reg])
298                 cs2000_write(chip, reg, value);
299 }
300
301 static void pcm1796_registers_init(struct oxygen *chip)
302 {
303         struct xonar_pcm179x *data = chip->model_data;
304         unsigned int i;
305         s8 gain_offset;
306
307         msleep(1);
308         gain_offset = data->hp_active ? data->hp_gain_offset : 0;
309         for (i = 0; i < data->dacs; ++i) {
310                 /* set ATLD before ATL/ATR */
311                 pcm1796_write(chip, i, 18,
312                               data->pcm1796_regs[0][18 - PCM1796_REG_BASE]);
313                 pcm1796_write(chip, i, 16, chip->dac_volume[i * 2]
314                               + gain_offset);
315                 pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1]
316                               + gain_offset);
317                 pcm1796_write(chip, i, 19,
318                               data->pcm1796_regs[0][19 - PCM1796_REG_BASE]);
319                 pcm1796_write(chip, i, 20,
320                               data->pcm1796_regs[0][20 - PCM1796_REG_BASE]);
321                 pcm1796_write(chip, i, 21, 0);
322         }
323 }
324
325 static void pcm1796_init(struct oxygen *chip)
326 {
327         struct xonar_pcm179x *data = chip->model_data;
328
329         data->pcm1796_regs[0][18 - PCM1796_REG_BASE] = PCM1796_MUTE |
330                 PCM1796_DMF_DISABLED | PCM1796_FMT_24_I2S | PCM1796_ATLD;
331         data->pcm1796_regs[0][19 - PCM1796_REG_BASE] =
332                 PCM1796_FLT_SHARP | PCM1796_ATS_1;
333         data->pcm1796_regs[0][20 - PCM1796_REG_BASE] = PCM1796_OS_64;
334         pcm1796_registers_init(chip);
335         data->current_rate = 48000;
336 }
337
338 static void xonar_d2_init(struct oxygen *chip)
339 {
340         struct xonar_pcm179x *data = chip->model_data;
341
342         data->generic.anti_pop_delay = 300;
343         data->generic.output_enable_bit = GPIO_D2_OUTPUT_ENABLE;
344         data->dacs = 4;
345
346         pcm1796_init(chip);
347
348         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_D2_ALT);
349         oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_D2_ALT);
350
351         oxygen_ac97_set_bits(chip, 0, CM9780_JACK, CM9780_FMIC2MIC);
352
353         xonar_init_cs53x1(chip);
354         xonar_enable_output(chip);
355
356         snd_component_add(chip->card, "PCM1796");
357         snd_component_add(chip->card, "CS5381");
358 }
359
360 static void xonar_d2x_init(struct oxygen *chip)
361 {
362         struct xonar_pcm179x *data = chip->model_data;
363
364         data->generic.ext_power_reg = OXYGEN_GPIO_DATA;
365         data->generic.ext_power_int_reg = OXYGEN_GPIO_INTERRUPT_MASK;
366         data->generic.ext_power_bit = GPIO_D2X_EXT_POWER;
367         oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_D2X_EXT_POWER);
368         xonar_init_ext_power(chip);
369         xonar_d2_init(chip);
370 }
371
372 static void xonar_hdav_init(struct oxygen *chip)
373 {
374         struct xonar_hdav *data = chip->model_data;
375
376         oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
377                        OXYGEN_2WIRE_LENGTH_8 |
378                        OXYGEN_2WIRE_INTERRUPT_MASK |
379                        OXYGEN_2WIRE_SPEED_STANDARD);
380
381         data->pcm179x.generic.anti_pop_delay = 100;
382         data->pcm179x.generic.output_enable_bit = GPIO_HDAV_OUTPUT_ENABLE;
383         data->pcm179x.generic.ext_power_reg = OXYGEN_GPI_DATA;
384         data->pcm179x.generic.ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
385         data->pcm179x.generic.ext_power_bit = GPI_EXT_POWER;
386         data->pcm179x.dacs = chip->model.dac_channels_mixer / 2;
387
388         pcm1796_init(chip);
389
390         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
391                           GPIO_HDAV_MAGIC | GPIO_INPUT_ROUTE);
392         oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_INPUT_ROUTE);
393
394         xonar_init_cs53x1(chip);
395         xonar_init_ext_power(chip);
396         xonar_hdmi_init(chip, &data->hdmi);
397         xonar_enable_output(chip);
398
399         snd_component_add(chip->card, "PCM1796");
400         snd_component_add(chip->card, "CS5381");
401 }
402
403 static void xonar_st_init_i2c(struct oxygen *chip)
404 {
405         oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
406                        OXYGEN_2WIRE_LENGTH_8 |
407                        OXYGEN_2WIRE_INTERRUPT_MASK |
408                        OXYGEN_2WIRE_SPEED_STANDARD);
409 }
410
411 static void xonar_st_init_common(struct oxygen *chip)
412 {
413         struct xonar_pcm179x *data = chip->model_data;
414
415         data->generic.output_enable_bit = GPIO_ST_OUTPUT_ENABLE;
416         data->dacs = chip->model.dac_channels_mixer / 2;
417         data->hp_gain_offset = 2*-18;
418
419         pcm1796_init(chip);
420
421         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
422                           GPIO_INPUT_ROUTE | GPIO_ST_HP_REAR |
423                           GPIO_ST_MAGIC | GPIO_ST_HP);
424         oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
425                             GPIO_INPUT_ROUTE | GPIO_ST_HP_REAR | GPIO_ST_HP);
426
427         xonar_init_cs53x1(chip);
428         xonar_enable_output(chip);
429
430         snd_component_add(chip->card, "PCM1792A");
431         snd_component_add(chip->card, "CS5381");
432 }
433
434 static void cs2000_registers_init(struct oxygen *chip)
435 {
436         struct xonar_pcm179x *data = chip->model_data;
437
438         cs2000_write(chip, CS2000_GLOBAL_CFG, CS2000_FREEZE);
439         cs2000_write(chip, CS2000_DEV_CTRL, 0);
440         cs2000_write(chip, CS2000_DEV_CFG_1,
441                      CS2000_R_MOD_SEL_1 |
442                      (0 << CS2000_R_SEL_SHIFT) |
443                      CS2000_AUX_OUT_SRC_REF_CLK |
444                      CS2000_EN_DEV_CFG_1);
445         cs2000_write(chip, CS2000_DEV_CFG_2,
446                      (0 << CS2000_LOCK_CLK_SHIFT) |
447                      CS2000_FRAC_N_SRC_STATIC);
448         cs2000_write(chip, CS2000_RATIO_0 + 0, 0x00); /* 1.0 */
449         cs2000_write(chip, CS2000_RATIO_0 + 1, 0x10);
450         cs2000_write(chip, CS2000_RATIO_0 + 2, 0x00);
451         cs2000_write(chip, CS2000_RATIO_0 + 3, 0x00);
452         cs2000_write(chip, CS2000_FUN_CFG_1,
453                      data->cs2000_regs[CS2000_FUN_CFG_1]);
454         cs2000_write(chip, CS2000_FUN_CFG_2, 0);
455         cs2000_write(chip, CS2000_GLOBAL_CFG, CS2000_EN_DEV_CFG_2);
456         msleep(3); /* PLL lock delay */
457 }
458
459 static void xonar_st_init(struct oxygen *chip)
460 {
461         struct xonar_pcm179x *data = chip->model_data;
462
463         data->generic.anti_pop_delay = 100;
464         data->has_cs2000 = 1;
465         data->cs2000_regs[CS2000_FUN_CFG_1] = CS2000_REF_CLK_DIV_1;
466         data->broken_i2c = true;
467
468         oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
469                        OXYGEN_RATE_48000 | OXYGEN_I2S_FORMAT_I2S |
470                        OXYGEN_I2S_MCLK_128 | OXYGEN_I2S_BITS_16 |
471                        OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
472
473         xonar_st_init_i2c(chip);
474         cs2000_registers_init(chip);
475         xonar_st_init_common(chip);
476
477         snd_component_add(chip->card, "CS2000");
478 }
479
480 static void xonar_stx_init(struct oxygen *chip)
481 {
482         struct xonar_pcm179x *data = chip->model_data;
483
484         xonar_st_init_i2c(chip);
485         data->generic.anti_pop_delay = 800;
486         data->generic.ext_power_reg = OXYGEN_GPI_DATA;
487         data->generic.ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
488         data->generic.ext_power_bit = GPI_EXT_POWER;
489         xonar_init_ext_power(chip);
490         xonar_st_init_common(chip);
491 }
492
493 static void xonar_d2_cleanup(struct oxygen *chip)
494 {
495         xonar_disable_output(chip);
496 }
497
498 static void xonar_hdav_cleanup(struct oxygen *chip)
499 {
500         xonar_hdmi_cleanup(chip);
501         xonar_disable_output(chip);
502         msleep(2);
503 }
504
505 static void xonar_st_cleanup(struct oxygen *chip)
506 {
507         xonar_disable_output(chip);
508 }
509
510 static void xonar_d2_suspend(struct oxygen *chip)
511 {
512         xonar_d2_cleanup(chip);
513 }
514
515 static void xonar_hdav_suspend(struct oxygen *chip)
516 {
517         xonar_hdav_cleanup(chip);
518 }
519
520 static void xonar_st_suspend(struct oxygen *chip)
521 {
522         xonar_st_cleanup(chip);
523 }
524
525 static void xonar_d2_resume(struct oxygen *chip)
526 {
527         pcm1796_registers_init(chip);
528         xonar_enable_output(chip);
529 }
530
531 static void xonar_hdav_resume(struct oxygen *chip)
532 {
533         struct xonar_hdav *data = chip->model_data;
534
535         pcm1796_registers_init(chip);
536         xonar_hdmi_resume(chip, &data->hdmi);
537         xonar_enable_output(chip);
538 }
539
540 static void xonar_stx_resume(struct oxygen *chip)
541 {
542         pcm1796_registers_init(chip);
543         xonar_enable_output(chip);
544 }
545
546 static void xonar_st_resume(struct oxygen *chip)
547 {
548         cs2000_registers_init(chip);
549         xonar_stx_resume(chip);
550 }
551
552 static unsigned int mclk_from_rate(struct oxygen *chip, unsigned int rate)
553 {
554         struct xonar_pcm179x *data = chip->model_data;
555
556         if (rate <= 32000)
557                 return OXYGEN_I2S_MCLK_512;
558         else if (rate <= 48000 && data->os_128)
559                 return OXYGEN_I2S_MCLK_512;
560         else if (rate <= 96000)
561                 return OXYGEN_I2S_MCLK_256;
562         else
563                 return OXYGEN_I2S_MCLK_128;
564 }
565
566 static unsigned int get_pcm1796_i2s_mclk(struct oxygen *chip,
567                                          unsigned int channel,
568                                          struct snd_pcm_hw_params *params)
569 {
570         if (channel == PCM_MULTICH)
571                 return mclk_from_rate(chip, params_rate(params));
572         else
573                 return oxygen_default_i2s_mclk(chip, channel, params);
574 }
575
576 static void update_pcm1796_oversampling(struct oxygen *chip)
577 {
578         struct xonar_pcm179x *data = chip->model_data;
579         unsigned int i;
580         u8 reg;
581
582         if (data->current_rate <= 32000)
583                 reg = PCM1796_OS_128;
584         else if (data->current_rate <= 48000 && data->os_128)
585                 reg = PCM1796_OS_128;
586         else if (data->current_rate <= 96000 || data->os_128)
587                 reg = PCM1796_OS_64;
588         else
589                 reg = PCM1796_OS_32;
590         for (i = 0; i < data->dacs; ++i)
591                 pcm1796_write_cached(chip, i, 20, reg);
592 }
593
594 static void set_pcm1796_params(struct oxygen *chip,
595                                struct snd_pcm_hw_params *params)
596 {
597         struct xonar_pcm179x *data = chip->model_data;
598
599         msleep(1);
600         data->current_rate = params_rate(params);
601         update_pcm1796_oversampling(chip);
602 }
603
604 static void update_pcm1796_volume(struct oxygen *chip)
605 {
606         struct xonar_pcm179x *data = chip->model_data;
607         unsigned int i;
608         s8 gain_offset;
609
610         gain_offset = data->hp_active ? data->hp_gain_offset : 0;
611         for (i = 0; i < data->dacs; ++i) {
612                 pcm1796_write_cached(chip, i, 16, chip->dac_volume[i * 2]
613                                      + gain_offset);
614                 pcm1796_write_cached(chip, i, 17, chip->dac_volume[i * 2 + 1]
615                                      + gain_offset);
616         }
617 }
618
619 static void update_pcm1796_mute(struct oxygen *chip)
620 {
621         struct xonar_pcm179x *data = chip->model_data;
622         unsigned int i;
623         u8 value;
624
625         value = PCM1796_DMF_DISABLED | PCM1796_FMT_24_I2S | PCM1796_ATLD;
626         if (chip->dac_mute)
627                 value |= PCM1796_MUTE;
628         for (i = 0; i < data->dacs; ++i)
629                 pcm1796_write_cached(chip, i, 18, value);
630 }
631
632 static void update_cs2000_rate(struct oxygen *chip, unsigned int rate)
633 {
634         struct xonar_pcm179x *data = chip->model_data;
635         u8 rate_mclk, reg;
636
637         switch (rate) {
638                 /* XXX Why is the I2S A MCLK half the actual I2S MCLK? */
639         case 32000:
640                 rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_256;
641                 break;
642         case 44100:
643                 if (data->os_128)
644                         rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256;
645                 else
646                         rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_128;
647                 break;
648         default: /* 48000 */
649                 if (data->os_128)
650                         rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256;
651                 else
652                         rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_128;
653                 break;
654         case 64000:
655                 rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_256;
656                 break;
657         case 88200:
658                 rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256;
659                 break;
660         case 96000:
661                 rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256;
662                 break;
663         case 176400:
664                 rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256;
665                 break;
666         case 192000:
667                 rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256;
668                 break;
669         }
670         oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT, rate_mclk,
671                               OXYGEN_I2S_RATE_MASK | OXYGEN_I2S_MCLK_MASK);
672         if ((rate_mclk & OXYGEN_I2S_MCLK_MASK) <= OXYGEN_I2S_MCLK_128)
673                 reg = CS2000_REF_CLK_DIV_1;
674         else
675                 reg = CS2000_REF_CLK_DIV_2;
676         cs2000_write_cached(chip, CS2000_FUN_CFG_1, reg);
677         msleep(3); /* PLL lock delay */
678 }
679
680 static void set_st_params(struct oxygen *chip,
681                           struct snd_pcm_hw_params *params)
682 {
683         update_cs2000_rate(chip, params_rate(params));
684         set_pcm1796_params(chip, params);
685 }
686
687 static void set_hdav_params(struct oxygen *chip,
688                             struct snd_pcm_hw_params *params)
689 {
690         struct xonar_hdav *data = chip->model_data;
691
692         set_pcm1796_params(chip, params);
693         xonar_set_hdmi_params(chip, &data->hdmi, params);
694 }
695
696 static const struct snd_kcontrol_new alt_switch = {
697         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
698         .name = "Analog Loopback Switch",
699         .info = snd_ctl_boolean_mono_info,
700         .get = xonar_gpio_bit_switch_get,
701         .put = xonar_gpio_bit_switch_put,
702         .private_value = GPIO_D2_ALT,
703 };
704
705 static int rolloff_info(struct snd_kcontrol *ctl,
706                         struct snd_ctl_elem_info *info)
707 {
708         static const char *const names[2] = {
709                 "Sharp Roll-off", "Slow Roll-off"
710         };
711
712         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
713         info->count = 1;
714         info->value.enumerated.items = 2;
715         if (info->value.enumerated.item >= 2)
716                 info->value.enumerated.item = 1;
717         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
718         return 0;
719 }
720
721 static int rolloff_get(struct snd_kcontrol *ctl,
722                        struct snd_ctl_elem_value *value)
723 {
724         struct oxygen *chip = ctl->private_data;
725         struct xonar_pcm179x *data = chip->model_data;
726
727         value->value.enumerated.item[0] =
728                 (data->pcm1796_regs[0][19 - PCM1796_REG_BASE] &
729                  PCM1796_FLT_MASK) != PCM1796_FLT_SHARP;
730         return 0;
731 }
732
733 static int rolloff_put(struct snd_kcontrol *ctl,
734                        struct snd_ctl_elem_value *value)
735 {
736         struct oxygen *chip = ctl->private_data;
737         struct xonar_pcm179x *data = chip->model_data;
738         unsigned int i;
739         int changed;
740         u8 reg;
741
742         mutex_lock(&chip->mutex);
743         reg = data->pcm1796_regs[0][19 - PCM1796_REG_BASE];
744         reg &= ~PCM1796_FLT_MASK;
745         if (!value->value.enumerated.item[0])
746                 reg |= PCM1796_FLT_SHARP;
747         else
748                 reg |= PCM1796_FLT_SLOW;
749         changed = reg != data->pcm1796_regs[0][19 - PCM1796_REG_BASE];
750         if (changed) {
751                 for (i = 0; i < data->dacs; ++i)
752                         pcm1796_write(chip, i, 19, reg);
753         }
754         mutex_unlock(&chip->mutex);
755         return changed;
756 }
757
758 static const struct snd_kcontrol_new rolloff_control = {
759         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
760         .name = "DAC Filter Playback Enum",
761         .info = rolloff_info,
762         .get = rolloff_get,
763         .put = rolloff_put,
764 };
765
766 static int os_128_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
767 {
768         static const char *const names[2] = { "64x", "128x" };
769
770         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
771         info->count = 1;
772         info->value.enumerated.items = 2;
773         if (info->value.enumerated.item >= 2)
774                 info->value.enumerated.item = 1;
775         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
776         return 0;
777 }
778
779 static int os_128_get(struct snd_kcontrol *ctl,
780                       struct snd_ctl_elem_value *value)
781 {
782         struct oxygen *chip = ctl->private_data;
783         struct xonar_pcm179x *data = chip->model_data;
784
785         value->value.enumerated.item[0] = data->os_128;
786         return 0;
787 }
788
789 static int os_128_put(struct snd_kcontrol *ctl,
790                       struct snd_ctl_elem_value *value)
791 {
792         struct oxygen *chip = ctl->private_data;
793         struct xonar_pcm179x *data = chip->model_data;
794         int changed;
795
796         mutex_lock(&chip->mutex);
797         changed = value->value.enumerated.item[0] != data->os_128;
798         if (changed) {
799                 data->os_128 = value->value.enumerated.item[0];
800                 if (data->has_cs2000)
801                         update_cs2000_rate(chip, data->current_rate);
802                 oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT,
803                                       mclk_from_rate(chip, data->current_rate),
804                                       OXYGEN_I2S_MCLK_MASK);
805                 msleep(1);
806                 update_pcm1796_oversampling(chip);
807         }
808         mutex_unlock(&chip->mutex);
809         return changed;
810 }
811
812 static const struct snd_kcontrol_new os_128_control = {
813         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
814         .name = "DAC Oversampling Playback Enum",
815         .info = os_128_info,
816         .get = os_128_get,
817         .put = os_128_put,
818 };
819
820 static const struct snd_kcontrol_new hdav_hdmi_control = {
821         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
822         .name = "HDMI Playback Switch",
823         .info = snd_ctl_boolean_mono_info,
824         .get = xonar_gpio_bit_switch_get,
825         .put = xonar_gpio_bit_switch_put,
826         .private_value = GPIO_HDAV_OUTPUT_ENABLE | XONAR_GPIO_BIT_INVERT,
827 };
828
829 static int st_output_switch_info(struct snd_kcontrol *ctl,
830                                  struct snd_ctl_elem_info *info)
831 {
832         static const char *const names[3] = {
833                 "Speakers", "Headphones", "FP Headphones"
834         };
835
836         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
837         info->count = 1;
838         info->value.enumerated.items = 3;
839         if (info->value.enumerated.item >= 3)
840                 info->value.enumerated.item = 2;
841         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
842         return 0;
843 }
844
845 static int st_output_switch_get(struct snd_kcontrol *ctl,
846                                 struct snd_ctl_elem_value *value)
847 {
848         struct oxygen *chip = ctl->private_data;
849         u16 gpio;
850
851         gpio = oxygen_read16(chip, OXYGEN_GPIO_DATA);
852         if (!(gpio & GPIO_ST_HP))
853                 value->value.enumerated.item[0] = 0;
854         else if (gpio & GPIO_ST_HP_REAR)
855                 value->value.enumerated.item[0] = 1;
856         else
857                 value->value.enumerated.item[0] = 2;
858         return 0;
859 }
860
861
862 static int st_output_switch_put(struct snd_kcontrol *ctl,
863                                 struct snd_ctl_elem_value *value)
864 {
865         struct oxygen *chip = ctl->private_data;
866         struct xonar_pcm179x *data = chip->model_data;
867         u16 gpio_old, gpio;
868
869         mutex_lock(&chip->mutex);
870         gpio_old = oxygen_read16(chip, OXYGEN_GPIO_DATA);
871         gpio = gpio_old;
872         switch (value->value.enumerated.item[0]) {
873         case 0:
874                 gpio &= ~(GPIO_ST_HP | GPIO_ST_HP_REAR);
875                 break;
876         case 1:
877                 gpio |= GPIO_ST_HP | GPIO_ST_HP_REAR;
878                 break;
879         case 2:
880                 gpio = (gpio | GPIO_ST_HP) & ~GPIO_ST_HP_REAR;
881                 break;
882         }
883         oxygen_write16(chip, OXYGEN_GPIO_DATA, gpio);
884         data->hp_active = gpio & GPIO_ST_HP;
885         update_pcm1796_volume(chip);
886         mutex_unlock(&chip->mutex);
887         return gpio != gpio_old;
888 }
889
890 static int st_hp_volume_offset_info(struct snd_kcontrol *ctl,
891                                     struct snd_ctl_elem_info *info)
892 {
893         static const char *const names[3] = {
894                 "< 64 ohms", "64-300 ohms", "300-600 ohms"
895         };
896
897         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
898         info->count = 1;
899         info->value.enumerated.items = 3;
900         if (info->value.enumerated.item > 2)
901                 info->value.enumerated.item = 2;
902         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
903         return 0;
904 }
905
906 static int st_hp_volume_offset_get(struct snd_kcontrol *ctl,
907                                    struct snd_ctl_elem_value *value)
908 {
909         struct oxygen *chip = ctl->private_data;
910         struct xonar_pcm179x *data = chip->model_data;
911
912         mutex_lock(&chip->mutex);
913         if (data->hp_gain_offset < 2*-6)
914                 value->value.enumerated.item[0] = 0;
915         else if (data->hp_gain_offset < 0)
916                 value->value.enumerated.item[0] = 1;
917         else
918                 value->value.enumerated.item[0] = 2;
919         mutex_unlock(&chip->mutex);
920         return 0;
921 }
922
923
924 static int st_hp_volume_offset_put(struct snd_kcontrol *ctl,
925                                    struct snd_ctl_elem_value *value)
926 {
927         static const s8 offsets[] = { 2*-18, 2*-6, 0 };
928         struct oxygen *chip = ctl->private_data;
929         struct xonar_pcm179x *data = chip->model_data;
930         s8 offset;
931         int changed;
932
933         if (value->value.enumerated.item[0] > 2)
934                 return -EINVAL;
935         offset = offsets[value->value.enumerated.item[0]];
936         mutex_lock(&chip->mutex);
937         changed = offset != data->hp_gain_offset;
938         if (changed) {
939                 data->hp_gain_offset = offset;
940                 update_pcm1796_volume(chip);
941         }
942         mutex_unlock(&chip->mutex);
943         return changed;
944 }
945
946 static const struct snd_kcontrol_new st_controls[] = {
947         {
948                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
949                 .name = "Analog Output",
950                 .info = st_output_switch_info,
951                 .get = st_output_switch_get,
952                 .put = st_output_switch_put,
953         },
954         {
955                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
956                 .name = "Headphones Impedance Playback Enum",
957                 .info = st_hp_volume_offset_info,
958                 .get = st_hp_volume_offset_get,
959                 .put = st_hp_volume_offset_put,
960         },
961 };
962
963 static void xonar_line_mic_ac97_switch(struct oxygen *chip,
964                                        unsigned int reg, unsigned int mute)
965 {
966         if (reg == AC97_LINE) {
967                 spin_lock_irq(&chip->reg_lock);
968                 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
969                                       mute ? GPIO_INPUT_ROUTE : 0,
970                                       GPIO_INPUT_ROUTE);
971                 spin_unlock_irq(&chip->reg_lock);
972         }
973 }
974
975 static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -6000, 50, 0);
976
977 static int xonar_d2_control_filter(struct snd_kcontrol_new *template)
978 {
979         if (!strncmp(template->name, "CD Capture ", 11))
980                 /* CD in is actually connected to the video in pin */
981                 template->private_value ^= AC97_CD ^ AC97_VIDEO;
982         return 0;
983 }
984
985 static int xonar_st_h6_control_filter(struct snd_kcontrol_new *template)
986 {
987         if (!strncmp(template->name, "Master Playback ", 16))
988                 /* no volume/mute, as I²C to the third DAC does not work */
989                 return 1;
990         return 0;
991 }
992
993 static int add_pcm1796_controls(struct oxygen *chip)
994 {
995         struct xonar_pcm179x *data = chip->model_data;
996         int err;
997
998         if (!data->broken_i2c) {
999                 err = snd_ctl_add(chip->card,
1000                                   snd_ctl_new1(&rolloff_control, chip));
1001                 if (err < 0)
1002                         return err;
1003                 err = snd_ctl_add(chip->card,
1004                                   snd_ctl_new1(&os_128_control, chip));
1005                 if (err < 0)
1006                         return err;
1007         }
1008         return 0;
1009 }
1010
1011 static int xonar_d2_mixer_init(struct oxygen *chip)
1012 {
1013         int err;
1014
1015         err = snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
1016         if (err < 0)
1017                 return err;
1018         err = add_pcm1796_controls(chip);
1019         if (err < 0)
1020                 return err;
1021         return 0;
1022 }
1023
1024 static int xonar_hdav_mixer_init(struct oxygen *chip)
1025 {
1026         int err;
1027
1028         err = snd_ctl_add(chip->card, snd_ctl_new1(&hdav_hdmi_control, chip));
1029         if (err < 0)
1030                 return err;
1031         err = add_pcm1796_controls(chip);
1032         if (err < 0)
1033                 return err;
1034         return 0;
1035 }
1036
1037 static int xonar_st_mixer_init(struct oxygen *chip)
1038 {
1039         unsigned int i;
1040         int err;
1041
1042         for (i = 0; i < ARRAY_SIZE(st_controls); ++i) {
1043                 err = snd_ctl_add(chip->card,
1044                                   snd_ctl_new1(&st_controls[i], chip));
1045                 if (err < 0)
1046                         return err;
1047         }
1048         err = add_pcm1796_controls(chip);
1049         if (err < 0)
1050                 return err;
1051         return 0;
1052 }
1053
1054 static void dump_pcm1796_registers(struct oxygen *chip,
1055                                    struct snd_info_buffer *buffer)
1056 {
1057         struct xonar_pcm179x *data = chip->model_data;
1058         unsigned int dac, i;
1059
1060         for (dac = 0; dac < data->dacs; ++dac) {
1061                 snd_iprintf(buffer, "\nPCM1796 %u:", dac + 1);
1062                 for (i = 0; i < 5; ++i)
1063                         snd_iprintf(buffer, " %02x",
1064                                     data->pcm1796_regs[dac][i]);
1065         }
1066         snd_iprintf(buffer, "\n");
1067 }
1068
1069 static void dump_cs2000_registers(struct oxygen *chip,
1070                                   struct snd_info_buffer *buffer)
1071 {
1072         struct xonar_pcm179x *data = chip->model_data;
1073         unsigned int i;
1074
1075         if (data->has_cs2000) {
1076                 snd_iprintf(buffer, "\nCS2000:\n00:   ");
1077                 for (i = 1; i < 0x10; ++i)
1078                         snd_iprintf(buffer, " %02x", data->cs2000_regs[i]);
1079                 snd_iprintf(buffer, "\n10:");
1080                 for (i = 0x10; i < 0x1f; ++i)
1081                         snd_iprintf(buffer, " %02x", data->cs2000_regs[i]);
1082                 snd_iprintf(buffer, "\n");
1083         }
1084 }
1085
1086 static void dump_st_registers(struct oxygen *chip,
1087                               struct snd_info_buffer *buffer)
1088 {
1089         dump_pcm1796_registers(chip, buffer);
1090         dump_cs2000_registers(chip, buffer);
1091 }
1092
1093 static const struct oxygen_model model_xonar_d2 = {
1094         .longname = "Asus Virtuoso 200",
1095         .chip = "AV200",
1096         .init = xonar_d2_init,
1097         .control_filter = xonar_d2_control_filter,
1098         .mixer_init = xonar_d2_mixer_init,
1099         .cleanup = xonar_d2_cleanup,
1100         .suspend = xonar_d2_suspend,
1101         .resume = xonar_d2_resume,
1102         .get_i2s_mclk = get_pcm1796_i2s_mclk,
1103         .set_dac_params = set_pcm1796_params,
1104         .set_adc_params = xonar_set_cs53x1_params,
1105         .update_dac_volume = update_pcm1796_volume,
1106         .update_dac_mute = update_pcm1796_mute,
1107         .dump_registers = dump_pcm1796_registers,
1108         .dac_tlv = pcm1796_db_scale,
1109         .model_data_size = sizeof(struct xonar_pcm179x),
1110         .device_config = PLAYBACK_0_TO_I2S |
1111                          PLAYBACK_1_TO_SPDIF |
1112                          CAPTURE_0_FROM_I2S_2 |
1113                          CAPTURE_1_FROM_SPDIF |
1114                          MIDI_OUTPUT |
1115                          MIDI_INPUT |
1116                          AC97_CD_INPUT,
1117         .dac_channels_pcm = 8,
1118         .dac_channels_mixer = 8,
1119         .dac_volume_min = 255 - 2*60,
1120         .dac_volume_max = 255,
1121         .misc_flags = OXYGEN_MISC_MIDI,
1122         .function_flags = OXYGEN_FUNCTION_SPI |
1123                           OXYGEN_FUNCTION_ENABLE_SPI_4_5,
1124         .dac_i2s_format = OXYGEN_I2S_FORMAT_I2S,
1125         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
1126 };
1127
1128 static const struct oxygen_model model_xonar_hdav = {
1129         .longname = "Asus Virtuoso 200",
1130         .chip = "AV200",
1131         .init = xonar_hdav_init,
1132         .mixer_init = xonar_hdav_mixer_init,
1133         .cleanup = xonar_hdav_cleanup,
1134         .suspend = xonar_hdav_suspend,
1135         .resume = xonar_hdav_resume,
1136         .pcm_hardware_filter = xonar_hdmi_pcm_hardware_filter,
1137         .get_i2s_mclk = get_pcm1796_i2s_mclk,
1138         .set_dac_params = set_hdav_params,
1139         .set_adc_params = xonar_set_cs53x1_params,
1140         .update_dac_volume = update_pcm1796_volume,
1141         .update_dac_mute = update_pcm1796_mute,
1142         .uart_input = xonar_hdmi_uart_input,
1143         .ac97_switch = xonar_line_mic_ac97_switch,
1144         .dump_registers = dump_pcm1796_registers,
1145         .dac_tlv = pcm1796_db_scale,
1146         .model_data_size = sizeof(struct xonar_hdav),
1147         .device_config = PLAYBACK_0_TO_I2S |
1148                          PLAYBACK_1_TO_SPDIF |
1149                          CAPTURE_0_FROM_I2S_2 |
1150                          CAPTURE_1_FROM_SPDIF,
1151         .dac_channels_pcm = 8,
1152         .dac_channels_mixer = 2,
1153         .dac_volume_min = 255 - 2*60,
1154         .dac_volume_max = 255,
1155         .misc_flags = OXYGEN_MISC_MIDI,
1156         .function_flags = OXYGEN_FUNCTION_2WIRE,
1157         .dac_i2s_format = OXYGEN_I2S_FORMAT_I2S,
1158         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
1159 };
1160
1161 static const struct oxygen_model model_xonar_st = {
1162         .longname = "Asus Virtuoso 100",
1163         .chip = "AV200",
1164         .init = xonar_st_init,
1165         .mixer_init = xonar_st_mixer_init,
1166         .cleanup = xonar_st_cleanup,
1167         .suspend = xonar_st_suspend,
1168         .resume = xonar_st_resume,
1169         .get_i2s_mclk = get_pcm1796_i2s_mclk,
1170         .set_dac_params = set_st_params,
1171         .set_adc_params = xonar_set_cs53x1_params,
1172         .update_dac_volume = update_pcm1796_volume,
1173         .update_dac_mute = update_pcm1796_mute,
1174         .ac97_switch = xonar_line_mic_ac97_switch,
1175         .dump_registers = dump_st_registers,
1176         .dac_tlv = pcm1796_db_scale,
1177         .model_data_size = sizeof(struct xonar_pcm179x),
1178         .device_config = PLAYBACK_0_TO_I2S |
1179                          PLAYBACK_1_TO_SPDIF |
1180                          CAPTURE_0_FROM_I2S_2 |
1181                          AC97_FMIC_SWITCH,
1182         .dac_channels_pcm = 2,
1183         .dac_channels_mixer = 2,
1184         .dac_volume_min = 255 - 2*60,
1185         .dac_volume_max = 255,
1186         .function_flags = OXYGEN_FUNCTION_2WIRE,
1187         .dac_i2s_format = OXYGEN_I2S_FORMAT_I2S,
1188         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
1189 };
1190
1191 int __devinit get_xonar_pcm179x_model(struct oxygen *chip,
1192                                       const struct pci_device_id *id)
1193 {
1194         switch (id->subdevice) {
1195         case 0x8269:
1196                 chip->model = model_xonar_d2;
1197                 chip->model.shortname = "Xonar D2";
1198                 break;
1199         case 0x82b7:
1200                 chip->model = model_xonar_d2;
1201                 chip->model.shortname = "Xonar D2X";
1202                 chip->model.init = xonar_d2x_init;
1203                 break;
1204         case 0x8314:
1205                 chip->model = model_xonar_hdav;
1206                 oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_DB_MASK);
1207                 switch (oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_DB_MASK) {
1208                 default:
1209                         chip->model.shortname = "Xonar HDAV1.3";
1210                         break;
1211                 case GPIO_DB_H6:
1212                         chip->model.shortname = "Xonar HDAV1.3+H6";
1213                         chip->model.dac_channels_mixer = 8;
1214                         break;
1215                 }
1216                 break;
1217         case 0x835d:
1218                 chip->model = model_xonar_st;
1219                 oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_DB_MASK);
1220                 switch (oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_DB_MASK) {
1221                 default:
1222                         chip->model.shortname = "Xonar ST";
1223                         break;
1224                 case GPIO_DB_H6:
1225                         chip->model.shortname = "Xonar ST+H6";
1226                         chip->model.control_filter = xonar_st_h6_control_filter;
1227                         chip->model.dac_channels_pcm = 8;
1228                         chip->model.dac_channels_mixer = 8;
1229                         break;
1230                 }
1231                 break;
1232         case 0x835c:
1233                 chip->model = model_xonar_st;
1234                 chip->model.shortname = "Xonar STX";
1235                 chip->model.init = xonar_stx_init;
1236                 chip->model.resume = xonar_stx_resume;
1237                 chip->model.set_dac_params = set_pcm1796_params;
1238                 break;
1239         case 0x835e:
1240                 snd_printk(KERN_ERR "the HDAV1.3 Slim is not supported\n");
1241                 return -ENODEV;
1242         default:
1243                 return -EINVAL;
1244         }
1245         return 0;
1246 }