xref: /openbmc/linux/sound/pci/oxygen/oxygen.c (revision 95e9fd10)
1 /*
2  * C-Media CMI8788 driver for C-Media's reference design and similar models
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, write to the Free Software
17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
18  */
19 
20 /*
21  * CMI8788:
22  *
23  *   SPI 0 -> 1st AK4396 (front)
24  *   SPI 1 -> 2nd AK4396 (surround)
25  *   SPI 2 -> 3rd AK4396 (center/LFE)
26  *   SPI 3 -> WM8785
27  *   SPI 4 -> 4th AK4396 (back)
28  *
29  *   GPIO 0 -> DFS0 of AK5385
30  *   GPIO 1 -> DFS1 of AK5385
31  *
32  * X-Meridian models:
33  *   GPIO 4 -> enable extension S/PDIF input
34  *   GPIO 6 -> enable on-board S/PDIF input
35  *
36  * Claro models:
37  *   GPIO 6 -> S/PDIF from optical (0) or coaxial (1) input
38  *   GPIO 8 -> enable headphone amplifier
39  *
40  * CM9780:
41  *
42  *   LINE_OUT -> input of ADC
43  *
44  *   AUX_IN <- aux
45  *   CD_IN  <- CD
46  *   MIC_IN <- mic
47  *
48  *   GPO 0 -> route line-in (0) or AC97 output (1) to ADC input
49  */
50 
51 #include <linux/delay.h>
52 #include <linux/mutex.h>
53 #include <linux/pci.h>
54 #include <linux/module.h>
55 #include <sound/ac97_codec.h>
56 #include <sound/control.h>
57 #include <sound/core.h>
58 #include <sound/info.h>
59 #include <sound/initval.h>
60 #include <sound/pcm.h>
61 #include <sound/pcm_params.h>
62 #include <sound/tlv.h>
63 #include "oxygen.h"
64 #include "xonar_dg.h"
65 #include "ak4396.h"
66 #include "wm8785.h"
67 
68 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
69 MODULE_DESCRIPTION("C-Media CMI8788 driver");
70 MODULE_LICENSE("GPL v2");
71 MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8786}"
72 			",{C-Media,CMI8787}"
73 			",{C-Media,CMI8788}}");
74 
75 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
76 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
77 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
78 
79 module_param_array(index, int, NULL, 0444);
80 MODULE_PARM_DESC(index, "card index");
81 module_param_array(id, charp, NULL, 0444);
82 MODULE_PARM_DESC(id, "ID string");
83 module_param_array(enable, bool, NULL, 0444);
84 MODULE_PARM_DESC(enable, "enable card");
85 
86 enum {
87 	MODEL_CMEDIA_REF,
88 	MODEL_MERIDIAN,
89 	MODEL_MERIDIAN_2G,
90 	MODEL_CLARO,
91 	MODEL_CLARO_HALO,
92 	MODEL_FANTASIA,
93 	MODEL_SERENADE,
94 	MODEL_2CH_OUTPUT,
95 	MODEL_HG2PCI,
96 	MODEL_XONAR_DG,
97 	MODEL_XONAR_DGX,
98 };
99 
100 static DEFINE_PCI_DEVICE_TABLE(oxygen_ids) = {
101 	/* C-Media's reference design */
102 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0216), .driver_data = MODEL_CMEDIA_REF },
103 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0217), .driver_data = MODEL_CMEDIA_REF },
104 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0218), .driver_data = MODEL_CMEDIA_REF },
105 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0219), .driver_data = MODEL_CMEDIA_REF },
106 	{ OXYGEN_PCI_SUBID(0x13f6, 0x0001), .driver_data = MODEL_CMEDIA_REF },
107 	{ OXYGEN_PCI_SUBID(0x13f6, 0x0010), .driver_data = MODEL_CMEDIA_REF },
108 	{ OXYGEN_PCI_SUBID(0x13f6, 0x8788), .driver_data = MODEL_CMEDIA_REF },
109 	{ OXYGEN_PCI_SUBID(0x147a, 0xa017), .driver_data = MODEL_CMEDIA_REF },
110 	{ OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF },
111 	/* Asus Xonar DG */
112 	{ OXYGEN_PCI_SUBID(0x1043, 0x8467), .driver_data = MODEL_XONAR_DG },
113 	/* Asus Xonar DGX */
114 	{ OXYGEN_PCI_SUBID(0x1043, 0x8521), .driver_data = MODEL_XONAR_DGX },
115 	/* PCI 2.0 HD Audio */
116 	{ OXYGEN_PCI_SUBID(0x13f6, 0x8782), .driver_data = MODEL_2CH_OUTPUT },
117 	/* Kuroutoshikou CMI8787-HG2PCI */
118 	{ OXYGEN_PCI_SUBID(0x13f6, 0xffff), .driver_data = MODEL_HG2PCI },
119 	/* TempoTec HiFier Fantasia */
120 	{ OXYGEN_PCI_SUBID(0x14c3, 0x1710), .driver_data = MODEL_FANTASIA },
121 	/* TempoTec HiFier Serenade */
122 	{ OXYGEN_PCI_SUBID(0x14c3, 0x1711), .driver_data = MODEL_SERENADE },
123 	/* AuzenTech X-Meridian */
124 	{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = MODEL_MERIDIAN },
125 	/* AuzenTech X-Meridian 2G */
126 	{ OXYGEN_PCI_SUBID(0x5431, 0x017a), .driver_data = MODEL_MERIDIAN_2G },
127 	/* HT-Omega Claro */
128 	{ OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data = MODEL_CLARO },
129 	/* HT-Omega Claro halo */
130 	{ OXYGEN_PCI_SUBID(0x7284, 0x9781), .driver_data = MODEL_CLARO_HALO },
131 	{ }
132 };
133 MODULE_DEVICE_TABLE(pci, oxygen_ids);
134 
135 
136 #define GPIO_AK5385_DFS_MASK	0x0003
137 #define GPIO_AK5385_DFS_NORMAL	0x0000
138 #define GPIO_AK5385_DFS_DOUBLE	0x0001
139 #define GPIO_AK5385_DFS_QUAD	0x0002
140 
141 #define GPIO_MERIDIAN_DIG_MASK	0x0050
142 #define GPIO_MERIDIAN_DIG_EXT	0x0010
143 #define GPIO_MERIDIAN_DIG_BOARD	0x0040
144 
145 #define GPIO_CLARO_DIG_COAX	0x0040
146 #define GPIO_CLARO_HP		0x0100
147 
148 struct generic_data {
149 	unsigned int dacs;
150 	u8 ak4396_regs[4][5];
151 	u16 wm8785_regs[3];
152 };
153 
154 static void ak4396_write(struct oxygen *chip, unsigned int codec,
155 			 u8 reg, u8 value)
156 {
157 	/* maps ALSA channel pair number to SPI output */
158 	static const u8 codec_spi_map[4] = {
159 		0, 1, 2, 4
160 	};
161 	struct generic_data *data = chip->model_data;
162 
163 	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
164 			 OXYGEN_SPI_DATA_LENGTH_2 |
165 			 OXYGEN_SPI_CLOCK_160 |
166 			 (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
167 			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
168 			 AK4396_WRITE | (reg << 8) | value);
169 	data->ak4396_regs[codec][reg] = value;
170 }
171 
172 static void ak4396_write_cached(struct oxygen *chip, unsigned int codec,
173 				u8 reg, u8 value)
174 {
175 	struct generic_data *data = chip->model_data;
176 
177 	if (value != data->ak4396_regs[codec][reg])
178 		ak4396_write(chip, codec, reg, value);
179 }
180 
181 static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
182 {
183 	struct generic_data *data = chip->model_data;
184 
185 	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
186 			 OXYGEN_SPI_DATA_LENGTH_2 |
187 			 OXYGEN_SPI_CLOCK_160 |
188 			 (3 << OXYGEN_SPI_CODEC_SHIFT) |
189 			 OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
190 			 (reg << 9) | value);
191 	if (reg < ARRAY_SIZE(data->wm8785_regs))
192 		data->wm8785_regs[reg] = value;
193 }
194 
195 static void ak4396_registers_init(struct oxygen *chip)
196 {
197 	struct generic_data *data = chip->model_data;
198 	unsigned int i;
199 
200 	for (i = 0; i < data->dacs; ++i) {
201 		ak4396_write(chip, i, AK4396_CONTROL_1,
202 			     AK4396_DIF_24_MSB | AK4396_RSTN);
203 		ak4396_write(chip, i, AK4396_CONTROL_2,
204 			     data->ak4396_regs[0][AK4396_CONTROL_2]);
205 		ak4396_write(chip, i, AK4396_CONTROL_3,
206 			     AK4396_PCM);
207 		ak4396_write(chip, i, AK4396_LCH_ATT,
208 			     chip->dac_volume[i * 2]);
209 		ak4396_write(chip, i, AK4396_RCH_ATT,
210 			     chip->dac_volume[i * 2 + 1]);
211 	}
212 }
213 
214 static void ak4396_init(struct oxygen *chip)
215 {
216 	struct generic_data *data = chip->model_data;
217 
218 	data->dacs = chip->model.dac_channels_pcm / 2;
219 	data->ak4396_regs[0][AK4396_CONTROL_2] =
220 		AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
221 	ak4396_registers_init(chip);
222 	snd_component_add(chip->card, "AK4396");
223 }
224 
225 static void ak5385_init(struct oxygen *chip)
226 {
227 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
228 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
229 	snd_component_add(chip->card, "AK5385");
230 }
231 
232 static void wm8785_registers_init(struct oxygen *chip)
233 {
234 	struct generic_data *data = chip->model_data;
235 
236 	wm8785_write(chip, WM8785_R7, 0);
237 	wm8785_write(chip, WM8785_R0, data->wm8785_regs[0]);
238 	wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]);
239 }
240 
241 static void wm8785_init(struct oxygen *chip)
242 {
243 	struct generic_data *data = chip->model_data;
244 
245 	data->wm8785_regs[0] =
246 		WM8785_MCR_SLAVE | WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST;
247 	data->wm8785_regs[2] = WM8785_HPFR | WM8785_HPFL;
248 	wm8785_registers_init(chip);
249 	snd_component_add(chip->card, "WM8785");
250 }
251 
252 static void generic_init(struct oxygen *chip)
253 {
254 	ak4396_init(chip);
255 	wm8785_init(chip);
256 }
257 
258 static void meridian_init(struct oxygen *chip)
259 {
260 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
261 			  GPIO_MERIDIAN_DIG_MASK);
262 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
263 			      GPIO_MERIDIAN_DIG_BOARD, GPIO_MERIDIAN_DIG_MASK);
264 	ak4396_init(chip);
265 	ak5385_init(chip);
266 }
267 
268 static void claro_enable_hp(struct oxygen *chip)
269 {
270 	msleep(300);
271 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_HP);
272 	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP);
273 }
274 
275 static void claro_init(struct oxygen *chip)
276 {
277 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_DIG_COAX);
278 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_DIG_COAX);
279 	ak4396_init(chip);
280 	wm8785_init(chip);
281 	claro_enable_hp(chip);
282 }
283 
284 static void claro_halo_init(struct oxygen *chip)
285 {
286 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_DIG_COAX);
287 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_DIG_COAX);
288 	ak4396_init(chip);
289 	ak5385_init(chip);
290 	claro_enable_hp(chip);
291 }
292 
293 static void fantasia_init(struct oxygen *chip)
294 {
295 	ak4396_init(chip);
296 	snd_component_add(chip->card, "CS5340");
297 }
298 
299 static void stereo_output_init(struct oxygen *chip)
300 {
301 	ak4396_init(chip);
302 }
303 
304 static void generic_cleanup(struct oxygen *chip)
305 {
306 }
307 
308 static void claro_disable_hp(struct oxygen *chip)
309 {
310 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP);
311 }
312 
313 static void claro_cleanup(struct oxygen *chip)
314 {
315 	claro_disable_hp(chip);
316 }
317 
318 static void claro_suspend(struct oxygen *chip)
319 {
320 	claro_disable_hp(chip);
321 }
322 
323 static void generic_resume(struct oxygen *chip)
324 {
325 	ak4396_registers_init(chip);
326 	wm8785_registers_init(chip);
327 }
328 
329 static void meridian_resume(struct oxygen *chip)
330 {
331 	ak4396_registers_init(chip);
332 }
333 
334 static void claro_resume(struct oxygen *chip)
335 {
336 	ak4396_registers_init(chip);
337 	claro_enable_hp(chip);
338 }
339 
340 static void stereo_resume(struct oxygen *chip)
341 {
342 	ak4396_registers_init(chip);
343 }
344 
345 static void set_ak4396_params(struct oxygen *chip,
346 			      struct snd_pcm_hw_params *params)
347 {
348 	struct generic_data *data = chip->model_data;
349 	unsigned int i;
350 	u8 value;
351 
352 	value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_DFS_MASK;
353 	if (params_rate(params) <= 54000)
354 		value |= AK4396_DFS_NORMAL;
355 	else if (params_rate(params) <= 108000)
356 		value |= AK4396_DFS_DOUBLE;
357 	else
358 		value |= AK4396_DFS_QUAD;
359 
360 	msleep(1); /* wait for the new MCLK to become stable */
361 
362 	if (value != data->ak4396_regs[0][AK4396_CONTROL_2]) {
363 		for (i = 0; i < data->dacs; ++i) {
364 			ak4396_write(chip, i, AK4396_CONTROL_1,
365 				     AK4396_DIF_24_MSB);
366 			ak4396_write(chip, i, AK4396_CONTROL_2, value);
367 			ak4396_write(chip, i, AK4396_CONTROL_1,
368 				     AK4396_DIF_24_MSB | AK4396_RSTN);
369 		}
370 	}
371 }
372 
373 static void update_ak4396_volume(struct oxygen *chip)
374 {
375 	struct generic_data *data = chip->model_data;
376 	unsigned int i;
377 
378 	for (i = 0; i < data->dacs; ++i) {
379 		ak4396_write_cached(chip, i, AK4396_LCH_ATT,
380 				    chip->dac_volume[i * 2]);
381 		ak4396_write_cached(chip, i, AK4396_RCH_ATT,
382 				    chip->dac_volume[i * 2 + 1]);
383 	}
384 }
385 
386 static void update_ak4396_mute(struct oxygen *chip)
387 {
388 	struct generic_data *data = chip->model_data;
389 	unsigned int i;
390 	u8 value;
391 
392 	value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_SMUTE;
393 	if (chip->dac_mute)
394 		value |= AK4396_SMUTE;
395 	for (i = 0; i < data->dacs; ++i)
396 		ak4396_write_cached(chip, i, AK4396_CONTROL_2, value);
397 }
398 
399 static void set_wm8785_params(struct oxygen *chip,
400 			      struct snd_pcm_hw_params *params)
401 {
402 	struct generic_data *data = chip->model_data;
403 	unsigned int value;
404 
405 	value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST;
406 	if (params_rate(params) <= 48000)
407 		value |= WM8785_OSR_SINGLE;
408 	else if (params_rate(params) <= 96000)
409 		value |= WM8785_OSR_DOUBLE;
410 	else
411 		value |= WM8785_OSR_QUAD;
412 	if (value != data->wm8785_regs[0]) {
413 		wm8785_write(chip, WM8785_R7, 0);
414 		wm8785_write(chip, WM8785_R0, value);
415 		wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]);
416 	}
417 }
418 
419 static void set_ak5385_params(struct oxygen *chip,
420 			      struct snd_pcm_hw_params *params)
421 {
422 	unsigned int value;
423 
424 	if (params_rate(params) <= 54000)
425 		value = GPIO_AK5385_DFS_NORMAL;
426 	else if (params_rate(params) <= 108000)
427 		value = GPIO_AK5385_DFS_DOUBLE;
428 	else
429 		value = GPIO_AK5385_DFS_QUAD;
430 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
431 			      value, GPIO_AK5385_DFS_MASK);
432 }
433 
434 static void set_no_params(struct oxygen *chip, struct snd_pcm_hw_params *params)
435 {
436 }
437 
438 static int rolloff_info(struct snd_kcontrol *ctl,
439 			struct snd_ctl_elem_info *info)
440 {
441 	static const char *const names[2] = {
442 		"Sharp Roll-off", "Slow Roll-off"
443 	};
444 
445 	return snd_ctl_enum_info(info, 1, 2, names);
446 }
447 
448 static int rolloff_get(struct snd_kcontrol *ctl,
449 		       struct snd_ctl_elem_value *value)
450 {
451 	struct oxygen *chip = ctl->private_data;
452 	struct generic_data *data = chip->model_data;
453 
454 	value->value.enumerated.item[0] =
455 		(data->ak4396_regs[0][AK4396_CONTROL_2] & AK4396_SLOW) != 0;
456 	return 0;
457 }
458 
459 static int rolloff_put(struct snd_kcontrol *ctl,
460 		       struct snd_ctl_elem_value *value)
461 {
462 	struct oxygen *chip = ctl->private_data;
463 	struct generic_data *data = chip->model_data;
464 	unsigned int i;
465 	int changed;
466 	u8 reg;
467 
468 	mutex_lock(&chip->mutex);
469 	reg = data->ak4396_regs[0][AK4396_CONTROL_2];
470 	if (value->value.enumerated.item[0])
471 		reg |= AK4396_SLOW;
472 	else
473 		reg &= ~AK4396_SLOW;
474 	changed = reg != data->ak4396_regs[0][AK4396_CONTROL_2];
475 	if (changed) {
476 		for (i = 0; i < data->dacs; ++i)
477 			ak4396_write(chip, i, AK4396_CONTROL_2, reg);
478 	}
479 	mutex_unlock(&chip->mutex);
480 	return changed;
481 }
482 
483 static const struct snd_kcontrol_new rolloff_control = {
484 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
485 	.name = "DAC Filter Playback Enum",
486 	.info = rolloff_info,
487 	.get = rolloff_get,
488 	.put = rolloff_put,
489 };
490 
491 static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
492 {
493 	static const char *const names[2] = {
494 		"None", "High-pass Filter"
495 	};
496 
497 	return snd_ctl_enum_info(info, 1, 2, names);
498 }
499 
500 static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
501 {
502 	struct oxygen *chip = ctl->private_data;
503 	struct generic_data *data = chip->model_data;
504 
505 	value->value.enumerated.item[0] =
506 		(data->wm8785_regs[WM8785_R2] & WM8785_HPFR) != 0;
507 	return 0;
508 }
509 
510 static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
511 {
512 	struct oxygen *chip = ctl->private_data;
513 	struct generic_data *data = chip->model_data;
514 	unsigned int reg;
515 	int changed;
516 
517 	mutex_lock(&chip->mutex);
518 	reg = data->wm8785_regs[WM8785_R2] & ~(WM8785_HPFR | WM8785_HPFL);
519 	if (value->value.enumerated.item[0])
520 		reg |= WM8785_HPFR | WM8785_HPFL;
521 	changed = reg != data->wm8785_regs[WM8785_R2];
522 	if (changed)
523 		wm8785_write(chip, WM8785_R2, reg);
524 	mutex_unlock(&chip->mutex);
525 	return changed;
526 }
527 
528 static const struct snd_kcontrol_new hpf_control = {
529 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
530 	.name = "ADC Filter Capture Enum",
531 	.info = hpf_info,
532 	.get = hpf_get,
533 	.put = hpf_put,
534 };
535 
536 static int meridian_dig_source_info(struct snd_kcontrol *ctl,
537 				    struct snd_ctl_elem_info *info)
538 {
539 	static const char *const names[2] = { "On-board", "Extension" };
540 
541 	return snd_ctl_enum_info(info, 1, 2, names);
542 }
543 
544 static int claro_dig_source_info(struct snd_kcontrol *ctl,
545 				 struct snd_ctl_elem_info *info)
546 {
547 	static const char *const names[2] = { "Optical", "Coaxial" };
548 
549 	return snd_ctl_enum_info(info, 1, 2, names);
550 }
551 
552 static int meridian_dig_source_get(struct snd_kcontrol *ctl,
553 				   struct snd_ctl_elem_value *value)
554 {
555 	struct oxygen *chip = ctl->private_data;
556 
557 	value->value.enumerated.item[0] =
558 		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) &
559 		   GPIO_MERIDIAN_DIG_EXT);
560 	return 0;
561 }
562 
563 static int claro_dig_source_get(struct snd_kcontrol *ctl,
564 				struct snd_ctl_elem_value *value)
565 {
566 	struct oxygen *chip = ctl->private_data;
567 
568 	value->value.enumerated.item[0] =
569 		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) &
570 		   GPIO_CLARO_DIG_COAX);
571 	return 0;
572 }
573 
574 static int meridian_dig_source_put(struct snd_kcontrol *ctl,
575 				   struct snd_ctl_elem_value *value)
576 {
577 	struct oxygen *chip = ctl->private_data;
578 	u16 old_reg, new_reg;
579 	int changed;
580 
581 	mutex_lock(&chip->mutex);
582 	old_reg = oxygen_read16(chip, OXYGEN_GPIO_DATA);
583 	new_reg = old_reg & ~GPIO_MERIDIAN_DIG_MASK;
584 	if (value->value.enumerated.item[0] == 0)
585 		new_reg |= GPIO_MERIDIAN_DIG_BOARD;
586 	else
587 		new_reg |= GPIO_MERIDIAN_DIG_EXT;
588 	changed = new_reg != old_reg;
589 	if (changed)
590 		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_reg);
591 	mutex_unlock(&chip->mutex);
592 	return changed;
593 }
594 
595 static int claro_dig_source_put(struct snd_kcontrol *ctl,
596 				struct snd_ctl_elem_value *value)
597 {
598 	struct oxygen *chip = ctl->private_data;
599 	u16 old_reg, new_reg;
600 	int changed;
601 
602 	mutex_lock(&chip->mutex);
603 	old_reg = oxygen_read16(chip, OXYGEN_GPIO_DATA);
604 	new_reg = old_reg & ~GPIO_CLARO_DIG_COAX;
605 	if (value->value.enumerated.item[0])
606 		new_reg |= GPIO_CLARO_DIG_COAX;
607 	changed = new_reg != old_reg;
608 	if (changed)
609 		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_reg);
610 	mutex_unlock(&chip->mutex);
611 	return changed;
612 }
613 
614 static const struct snd_kcontrol_new meridian_dig_source_control = {
615 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
616 	.name = "IEC958 Source Capture Enum",
617 	.info = meridian_dig_source_info,
618 	.get = meridian_dig_source_get,
619 	.put = meridian_dig_source_put,
620 };
621 
622 static const struct snd_kcontrol_new claro_dig_source_control = {
623 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
624 	.name = "IEC958 Source Capture Enum",
625 	.info = claro_dig_source_info,
626 	.get = claro_dig_source_get,
627 	.put = claro_dig_source_put,
628 };
629 
630 static int generic_mixer_init(struct oxygen *chip)
631 {
632 	return snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip));
633 }
634 
635 static int generic_wm8785_mixer_init(struct oxygen *chip)
636 {
637 	int err;
638 
639 	err = generic_mixer_init(chip);
640 	if (err < 0)
641 		return err;
642 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hpf_control, chip));
643 	if (err < 0)
644 		return err;
645 	return 0;
646 }
647 
648 static int meridian_mixer_init(struct oxygen *chip)
649 {
650 	int err;
651 
652 	err = generic_mixer_init(chip);
653 	if (err < 0)
654 		return err;
655 	err = snd_ctl_add(chip->card,
656 			  snd_ctl_new1(&meridian_dig_source_control, chip));
657 	if (err < 0)
658 		return err;
659 	return 0;
660 }
661 
662 static int claro_mixer_init(struct oxygen *chip)
663 {
664 	int err;
665 
666 	err = generic_wm8785_mixer_init(chip);
667 	if (err < 0)
668 		return err;
669 	err = snd_ctl_add(chip->card,
670 			  snd_ctl_new1(&claro_dig_source_control, chip));
671 	if (err < 0)
672 		return err;
673 	return 0;
674 }
675 
676 static int claro_halo_mixer_init(struct oxygen *chip)
677 {
678 	int err;
679 
680 	err = generic_mixer_init(chip);
681 	if (err < 0)
682 		return err;
683 	err = snd_ctl_add(chip->card,
684 			  snd_ctl_new1(&claro_dig_source_control, chip));
685 	if (err < 0)
686 		return err;
687 	return 0;
688 }
689 
690 static void dump_ak4396_registers(struct oxygen *chip,
691 				  struct snd_info_buffer *buffer)
692 {
693 	struct generic_data *data = chip->model_data;
694 	unsigned int dac, i;
695 
696 	for (dac = 0; dac < data->dacs; ++dac) {
697 		snd_iprintf(buffer, "\nAK4396 %u:", dac + 1);
698 		for (i = 0; i < 5; ++i)
699 			snd_iprintf(buffer, " %02x", data->ak4396_regs[dac][i]);
700 	}
701 	snd_iprintf(buffer, "\n");
702 }
703 
704 static void dump_wm8785_registers(struct oxygen *chip,
705 				  struct snd_info_buffer *buffer)
706 {
707 	struct generic_data *data = chip->model_data;
708 	unsigned int i;
709 
710 	snd_iprintf(buffer, "\nWM8785:");
711 	for (i = 0; i < 3; ++i)
712 		snd_iprintf(buffer, " %03x", data->wm8785_regs[i]);
713 	snd_iprintf(buffer, "\n");
714 }
715 
716 static void dump_oxygen_registers(struct oxygen *chip,
717 				  struct snd_info_buffer *buffer)
718 {
719 	dump_ak4396_registers(chip, buffer);
720 	dump_wm8785_registers(chip, buffer);
721 }
722 
723 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
724 
725 static const struct oxygen_model model_generic = {
726 	.shortname = "C-Media CMI8788",
727 	.longname = "C-Media Oxygen HD Audio",
728 	.chip = "CMI8788",
729 	.init = generic_init,
730 	.mixer_init = generic_wm8785_mixer_init,
731 	.cleanup = generic_cleanup,
732 	.resume = generic_resume,
733 	.set_dac_params = set_ak4396_params,
734 	.set_adc_params = set_wm8785_params,
735 	.update_dac_volume = update_ak4396_volume,
736 	.update_dac_mute = update_ak4396_mute,
737 	.dump_registers = dump_oxygen_registers,
738 	.dac_tlv = ak4396_db_scale,
739 	.model_data_size = sizeof(struct generic_data),
740 	.device_config = PLAYBACK_0_TO_I2S |
741 			 PLAYBACK_1_TO_SPDIF |
742 			 PLAYBACK_2_TO_AC97_1 |
743 			 CAPTURE_0_FROM_I2S_1 |
744 			 CAPTURE_1_FROM_SPDIF |
745 			 CAPTURE_2_FROM_AC97_1 |
746 			 AC97_CD_INPUT,
747 	.dac_channels_pcm = 8,
748 	.dac_channels_mixer = 8,
749 	.dac_volume_min = 0,
750 	.dac_volume_max = 255,
751 	.function_flags = OXYGEN_FUNCTION_SPI |
752 			  OXYGEN_FUNCTION_ENABLE_SPI_4_5,
753 	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
754 	.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
755 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
756 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
757 };
758 
759 static int __devinit get_oxygen_model(struct oxygen *chip,
760 				      const struct pci_device_id *id)
761 {
762 	static const char *const names[] = {
763 		[MODEL_MERIDIAN]	= "AuzenTech X-Meridian",
764 		[MODEL_MERIDIAN_2G]	= "AuzenTech X-Meridian 2G",
765 		[MODEL_CLARO]		= "HT-Omega Claro",
766 		[MODEL_CLARO_HALO]	= "HT-Omega Claro halo",
767 		[MODEL_FANTASIA]	= "TempoTec HiFier Fantasia",
768 		[MODEL_SERENADE]	= "TempoTec HiFier Serenade",
769 		[MODEL_HG2PCI]		= "CMI8787-HG2PCI",
770 	};
771 
772 	chip->model = model_generic;
773 	switch (id->driver_data) {
774 	case MODEL_MERIDIAN:
775 	case MODEL_MERIDIAN_2G:
776 		chip->model.init = meridian_init;
777 		chip->model.mixer_init = meridian_mixer_init;
778 		chip->model.resume = meridian_resume;
779 		chip->model.set_adc_params = set_ak5385_params;
780 		chip->model.dump_registers = dump_ak4396_registers;
781 		chip->model.device_config = PLAYBACK_0_TO_I2S |
782 					    PLAYBACK_1_TO_SPDIF |
783 					    CAPTURE_0_FROM_I2S_2 |
784 					    CAPTURE_1_FROM_SPDIF;
785 		if (id->driver_data == MODEL_MERIDIAN)
786 			chip->model.device_config |= AC97_CD_INPUT;
787 		break;
788 	case MODEL_CLARO:
789 		chip->model.init = claro_init;
790 		chip->model.mixer_init = claro_mixer_init;
791 		chip->model.cleanup = claro_cleanup;
792 		chip->model.suspend = claro_suspend;
793 		chip->model.resume = claro_resume;
794 		break;
795 	case MODEL_CLARO_HALO:
796 		chip->model.init = claro_halo_init;
797 		chip->model.mixer_init = claro_halo_mixer_init;
798 		chip->model.cleanup = claro_cleanup;
799 		chip->model.suspend = claro_suspend;
800 		chip->model.resume = claro_resume;
801 		chip->model.set_adc_params = set_ak5385_params;
802 		chip->model.dump_registers = dump_ak4396_registers;
803 		chip->model.device_config = PLAYBACK_0_TO_I2S |
804 					    PLAYBACK_1_TO_SPDIF |
805 					    CAPTURE_0_FROM_I2S_2 |
806 					    CAPTURE_1_FROM_SPDIF;
807 		break;
808 	case MODEL_FANTASIA:
809 	case MODEL_SERENADE:
810 	case MODEL_2CH_OUTPUT:
811 	case MODEL_HG2PCI:
812 		chip->model.shortname = "C-Media CMI8787";
813 		chip->model.chip = "CMI8787";
814 		if (id->driver_data == MODEL_FANTASIA)
815 			chip->model.init = fantasia_init;
816 		else
817 			chip->model.init = stereo_output_init;
818 		chip->model.resume = stereo_resume;
819 		chip->model.mixer_init = generic_mixer_init;
820 		chip->model.set_adc_params = set_no_params;
821 		chip->model.dump_registers = dump_ak4396_registers;
822 		chip->model.device_config = PLAYBACK_0_TO_I2S |
823 					    PLAYBACK_1_TO_SPDIF;
824 		if (id->driver_data == MODEL_FANTASIA) {
825 			chip->model.device_config |= CAPTURE_0_FROM_I2S_1;
826 			chip->model.adc_mclks = OXYGEN_MCLKS(256, 128, 128);
827 		}
828 		chip->model.dac_channels_pcm = 2;
829 		chip->model.dac_channels_mixer = 2;
830 		break;
831 	case MODEL_XONAR_DG:
832 		chip->model = model_xonar_dg;
833 		chip->model.shortname = "Xonar DG";
834 		break;
835 	case MODEL_XONAR_DGX:
836 		chip->model = model_xonar_dg;
837 		chip->model.shortname = "Xonar DGX";
838 		break;
839 	}
840 	if (id->driver_data == MODEL_MERIDIAN ||
841 	    id->driver_data == MODEL_MERIDIAN_2G ||
842 	    id->driver_data == MODEL_CLARO_HALO) {
843 		chip->model.misc_flags = OXYGEN_MISC_MIDI;
844 		chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT;
845 	}
846 	if (id->driver_data < ARRAY_SIZE(names) && names[id->driver_data])
847 		chip->model.shortname = names[id->driver_data];
848 	return 0;
849 }
850 
851 static int __devinit generic_oxygen_probe(struct pci_dev *pci,
852 					  const struct pci_device_id *pci_id)
853 {
854 	static int dev;
855 	int err;
856 
857 	if (dev >= SNDRV_CARDS)
858 		return -ENODEV;
859 	if (!enable[dev]) {
860 		++dev;
861 		return -ENOENT;
862 	}
863 	err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
864 			       oxygen_ids, get_oxygen_model);
865 	if (err >= 0)
866 		++dev;
867 	return err;
868 }
869 
870 static struct pci_driver oxygen_driver = {
871 	.name = KBUILD_MODNAME,
872 	.id_table = oxygen_ids,
873 	.probe = generic_oxygen_probe,
874 	.remove = __devexit_p(oxygen_pci_remove),
875 #ifdef CONFIG_PM
876 	.driver = {
877 		.pm = &oxygen_pci_pm,
878 	},
879 #endif
880 };
881 
882 module_pci_driver(oxygen_driver);
883