xref: /openbmc/linux/sound/pci/oxygen/oxygen.c (revision 565d76cb)
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 <sound/ac97_codec.h>
55 #include <sound/control.h>
56 #include <sound/core.h>
57 #include <sound/info.h>
58 #include <sound/initval.h>
59 #include <sound/pcm.h>
60 #include <sound/pcm_params.h>
61 #include <sound/tlv.h>
62 #include "oxygen.h"
63 #include "xonar_dg.h"
64 #include "ak4396.h"
65 #include "wm8785.h"
66 
67 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
68 MODULE_DESCRIPTION("C-Media CMI8788 driver");
69 MODULE_LICENSE("GPL v2");
70 MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8786}"
71 			",{C-Media,CMI8787}"
72 			",{C-Media,CMI8788}}");
73 
74 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
75 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
76 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
77 
78 module_param_array(index, int, NULL, 0444);
79 MODULE_PARM_DESC(index, "card index");
80 module_param_array(id, charp, NULL, 0444);
81 MODULE_PARM_DESC(id, "ID string");
82 module_param_array(enable, bool, NULL, 0444);
83 MODULE_PARM_DESC(enable, "enable card");
84 
85 enum {
86 	MODEL_CMEDIA_REF,
87 	MODEL_MERIDIAN,
88 	MODEL_MERIDIAN_2G,
89 	MODEL_CLARO,
90 	MODEL_CLARO_HALO,
91 	MODEL_FANTASIA,
92 	MODEL_SERENADE,
93 	MODEL_2CH_OUTPUT,
94 	MODEL_HG2PCI,
95 	MODEL_XONAR_DG,
96 };
97 
98 static DEFINE_PCI_DEVICE_TABLE(oxygen_ids) = {
99 	/* C-Media's reference design */
100 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0216), .driver_data = MODEL_CMEDIA_REF },
101 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0217), .driver_data = MODEL_CMEDIA_REF },
102 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0218), .driver_data = MODEL_CMEDIA_REF },
103 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0219), .driver_data = MODEL_CMEDIA_REF },
104 	{ OXYGEN_PCI_SUBID(0x13f6, 0x0001), .driver_data = MODEL_CMEDIA_REF },
105 	{ OXYGEN_PCI_SUBID(0x13f6, 0x0010), .driver_data = MODEL_CMEDIA_REF },
106 	{ OXYGEN_PCI_SUBID(0x13f6, 0x8788), .driver_data = MODEL_CMEDIA_REF },
107 	{ OXYGEN_PCI_SUBID(0x147a, 0xa017), .driver_data = MODEL_CMEDIA_REF },
108 	{ OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF },
109 	/* Asus Xonar DG */
110 	{ OXYGEN_PCI_SUBID(0x1043, 0x8467), .driver_data = MODEL_XONAR_DG },
111 	/* PCI 2.0 HD Audio */
112 	{ OXYGEN_PCI_SUBID(0x13f6, 0x8782), .driver_data = MODEL_2CH_OUTPUT },
113 	/* Kuroutoshikou CMI8787-HG2PCI */
114 	{ OXYGEN_PCI_SUBID(0x13f6, 0xffff), .driver_data = MODEL_HG2PCI },
115 	/* TempoTec HiFier Fantasia */
116 	{ OXYGEN_PCI_SUBID(0x14c3, 0x1710), .driver_data = MODEL_FANTASIA },
117 	/* TempoTec HiFier Serenade */
118 	{ OXYGEN_PCI_SUBID(0x14c3, 0x1711), .driver_data = MODEL_SERENADE },
119 	/* AuzenTech X-Meridian */
120 	{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = MODEL_MERIDIAN },
121 	/* AuzenTech X-Meridian 2G */
122 	{ OXYGEN_PCI_SUBID(0x5431, 0x017a), .driver_data = MODEL_MERIDIAN_2G },
123 	/* HT-Omega Claro */
124 	{ OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data = MODEL_CLARO },
125 	/* HT-Omega Claro halo */
126 	{ OXYGEN_PCI_SUBID(0x7284, 0x9781), .driver_data = MODEL_CLARO_HALO },
127 	{ }
128 };
129 MODULE_DEVICE_TABLE(pci, oxygen_ids);
130 
131 
132 #define GPIO_AK5385_DFS_MASK	0x0003
133 #define GPIO_AK5385_DFS_NORMAL	0x0000
134 #define GPIO_AK5385_DFS_DOUBLE	0x0001
135 #define GPIO_AK5385_DFS_QUAD	0x0002
136 
137 #define GPIO_MERIDIAN_DIG_MASK	0x0050
138 #define GPIO_MERIDIAN_DIG_EXT	0x0010
139 #define GPIO_MERIDIAN_DIG_BOARD	0x0040
140 
141 #define GPIO_CLARO_DIG_COAX	0x0040
142 #define GPIO_CLARO_HP		0x0100
143 
144 struct generic_data {
145 	unsigned int dacs;
146 	u8 ak4396_regs[4][5];
147 	u16 wm8785_regs[3];
148 };
149 
150 static void ak4396_write(struct oxygen *chip, unsigned int codec,
151 			 u8 reg, u8 value)
152 {
153 	/* maps ALSA channel pair number to SPI output */
154 	static const u8 codec_spi_map[4] = {
155 		0, 1, 2, 4
156 	};
157 	struct generic_data *data = chip->model_data;
158 
159 	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
160 			 OXYGEN_SPI_DATA_LENGTH_2 |
161 			 OXYGEN_SPI_CLOCK_160 |
162 			 (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
163 			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
164 			 AK4396_WRITE | (reg << 8) | value);
165 	data->ak4396_regs[codec][reg] = value;
166 }
167 
168 static void ak4396_write_cached(struct oxygen *chip, unsigned int codec,
169 				u8 reg, u8 value)
170 {
171 	struct generic_data *data = chip->model_data;
172 
173 	if (value != data->ak4396_regs[codec][reg])
174 		ak4396_write(chip, codec, reg, value);
175 }
176 
177 static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
178 {
179 	struct generic_data *data = chip->model_data;
180 
181 	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
182 			 OXYGEN_SPI_DATA_LENGTH_2 |
183 			 OXYGEN_SPI_CLOCK_160 |
184 			 (3 << OXYGEN_SPI_CODEC_SHIFT) |
185 			 OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
186 			 (reg << 9) | value);
187 	if (reg < ARRAY_SIZE(data->wm8785_regs))
188 		data->wm8785_regs[reg] = value;
189 }
190 
191 static void ak4396_registers_init(struct oxygen *chip)
192 {
193 	struct generic_data *data = chip->model_data;
194 	unsigned int i;
195 
196 	for (i = 0; i < data->dacs; ++i) {
197 		ak4396_write(chip, i, AK4396_CONTROL_1,
198 			     AK4396_DIF_24_MSB | AK4396_RSTN);
199 		ak4396_write(chip, i, AK4396_CONTROL_2,
200 			     data->ak4396_regs[0][AK4396_CONTROL_2]);
201 		ak4396_write(chip, i, AK4396_CONTROL_3,
202 			     AK4396_PCM);
203 		ak4396_write(chip, i, AK4396_LCH_ATT,
204 			     chip->dac_volume[i * 2]);
205 		ak4396_write(chip, i, AK4396_RCH_ATT,
206 			     chip->dac_volume[i * 2 + 1]);
207 	}
208 }
209 
210 static void ak4396_init(struct oxygen *chip)
211 {
212 	struct generic_data *data = chip->model_data;
213 
214 	data->dacs = chip->model.dac_channels_pcm / 2;
215 	data->ak4396_regs[0][AK4396_CONTROL_2] =
216 		AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
217 	ak4396_registers_init(chip);
218 	snd_component_add(chip->card, "AK4396");
219 }
220 
221 static void ak5385_init(struct oxygen *chip)
222 {
223 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
224 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
225 	snd_component_add(chip->card, "AK5385");
226 }
227 
228 static void wm8785_registers_init(struct oxygen *chip)
229 {
230 	struct generic_data *data = chip->model_data;
231 
232 	wm8785_write(chip, WM8785_R7, 0);
233 	wm8785_write(chip, WM8785_R0, data->wm8785_regs[0]);
234 	wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]);
235 }
236 
237 static void wm8785_init(struct oxygen *chip)
238 {
239 	struct generic_data *data = chip->model_data;
240 
241 	data->wm8785_regs[0] =
242 		WM8785_MCR_SLAVE | WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST;
243 	data->wm8785_regs[2] = WM8785_HPFR | WM8785_HPFL;
244 	wm8785_registers_init(chip);
245 	snd_component_add(chip->card, "WM8785");
246 }
247 
248 static void generic_init(struct oxygen *chip)
249 {
250 	ak4396_init(chip);
251 	wm8785_init(chip);
252 }
253 
254 static void meridian_init(struct oxygen *chip)
255 {
256 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
257 			  GPIO_MERIDIAN_DIG_MASK);
258 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
259 			      GPIO_MERIDIAN_DIG_BOARD, GPIO_MERIDIAN_DIG_MASK);
260 	ak4396_init(chip);
261 	ak5385_init(chip);
262 }
263 
264 static void claro_enable_hp(struct oxygen *chip)
265 {
266 	msleep(300);
267 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_HP);
268 	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP);
269 }
270 
271 static void claro_init(struct oxygen *chip)
272 {
273 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_DIG_COAX);
274 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_DIG_COAX);
275 	ak4396_init(chip);
276 	wm8785_init(chip);
277 	claro_enable_hp(chip);
278 }
279 
280 static void claro_halo_init(struct oxygen *chip)
281 {
282 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_DIG_COAX);
283 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_DIG_COAX);
284 	ak4396_init(chip);
285 	ak5385_init(chip);
286 	claro_enable_hp(chip);
287 }
288 
289 static void fantasia_init(struct oxygen *chip)
290 {
291 	ak4396_init(chip);
292 	snd_component_add(chip->card, "CS5340");
293 }
294 
295 static void stereo_output_init(struct oxygen *chip)
296 {
297 	ak4396_init(chip);
298 }
299 
300 static void generic_cleanup(struct oxygen *chip)
301 {
302 }
303 
304 static void claro_disable_hp(struct oxygen *chip)
305 {
306 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP);
307 }
308 
309 static void claro_cleanup(struct oxygen *chip)
310 {
311 	claro_disable_hp(chip);
312 }
313 
314 static void claro_suspend(struct oxygen *chip)
315 {
316 	claro_disable_hp(chip);
317 }
318 
319 static void generic_resume(struct oxygen *chip)
320 {
321 	ak4396_registers_init(chip);
322 	wm8785_registers_init(chip);
323 }
324 
325 static void meridian_resume(struct oxygen *chip)
326 {
327 	ak4396_registers_init(chip);
328 }
329 
330 static void claro_resume(struct oxygen *chip)
331 {
332 	ak4396_registers_init(chip);
333 	claro_enable_hp(chip);
334 }
335 
336 static void stereo_resume(struct oxygen *chip)
337 {
338 	ak4396_registers_init(chip);
339 }
340 
341 static void set_ak4396_params(struct oxygen *chip,
342 			      struct snd_pcm_hw_params *params)
343 {
344 	struct generic_data *data = chip->model_data;
345 	unsigned int i;
346 	u8 value;
347 
348 	value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_DFS_MASK;
349 	if (params_rate(params) <= 54000)
350 		value |= AK4396_DFS_NORMAL;
351 	else if (params_rate(params) <= 108000)
352 		value |= AK4396_DFS_DOUBLE;
353 	else
354 		value |= AK4396_DFS_QUAD;
355 
356 	msleep(1); /* wait for the new MCLK to become stable */
357 
358 	if (value != data->ak4396_regs[0][AK4396_CONTROL_2]) {
359 		for (i = 0; i < data->dacs; ++i) {
360 			ak4396_write(chip, i, AK4396_CONTROL_1,
361 				     AK4396_DIF_24_MSB);
362 			ak4396_write(chip, i, AK4396_CONTROL_2, value);
363 			ak4396_write(chip, i, AK4396_CONTROL_1,
364 				     AK4396_DIF_24_MSB | AK4396_RSTN);
365 		}
366 	}
367 }
368 
369 static void update_ak4396_volume(struct oxygen *chip)
370 {
371 	struct generic_data *data = chip->model_data;
372 	unsigned int i;
373 
374 	for (i = 0; i < data->dacs; ++i) {
375 		ak4396_write_cached(chip, i, AK4396_LCH_ATT,
376 				    chip->dac_volume[i * 2]);
377 		ak4396_write_cached(chip, i, AK4396_RCH_ATT,
378 				    chip->dac_volume[i * 2 + 1]);
379 	}
380 }
381 
382 static void update_ak4396_mute(struct oxygen *chip)
383 {
384 	struct generic_data *data = chip->model_data;
385 	unsigned int i;
386 	u8 value;
387 
388 	value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_SMUTE;
389 	if (chip->dac_mute)
390 		value |= AK4396_SMUTE;
391 	for (i = 0; i < data->dacs; ++i)
392 		ak4396_write_cached(chip, i, AK4396_CONTROL_2, value);
393 }
394 
395 static void set_wm8785_params(struct oxygen *chip,
396 			      struct snd_pcm_hw_params *params)
397 {
398 	struct generic_data *data = chip->model_data;
399 	unsigned int value;
400 
401 	value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST;
402 	if (params_rate(params) <= 48000)
403 		value |= WM8785_OSR_SINGLE;
404 	else if (params_rate(params) <= 96000)
405 		value |= WM8785_OSR_DOUBLE;
406 	else
407 		value |= WM8785_OSR_QUAD;
408 	if (value != data->wm8785_regs[0]) {
409 		wm8785_write(chip, WM8785_R7, 0);
410 		wm8785_write(chip, WM8785_R0, value);
411 		wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]);
412 	}
413 }
414 
415 static void set_ak5385_params(struct oxygen *chip,
416 			      struct snd_pcm_hw_params *params)
417 {
418 	unsigned int value;
419 
420 	if (params_rate(params) <= 54000)
421 		value = GPIO_AK5385_DFS_NORMAL;
422 	else if (params_rate(params) <= 108000)
423 		value = GPIO_AK5385_DFS_DOUBLE;
424 	else
425 		value = GPIO_AK5385_DFS_QUAD;
426 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
427 			      value, GPIO_AK5385_DFS_MASK);
428 }
429 
430 static void set_no_params(struct oxygen *chip, struct snd_pcm_hw_params *params)
431 {
432 }
433 
434 static int rolloff_info(struct snd_kcontrol *ctl,
435 			struct snd_ctl_elem_info *info)
436 {
437 	static const char *const names[2] = {
438 		"Sharp Roll-off", "Slow Roll-off"
439 	};
440 
441 	return snd_ctl_enum_info(info, 1, 2, names);
442 }
443 
444 static int rolloff_get(struct snd_kcontrol *ctl,
445 		       struct snd_ctl_elem_value *value)
446 {
447 	struct oxygen *chip = ctl->private_data;
448 	struct generic_data *data = chip->model_data;
449 
450 	value->value.enumerated.item[0] =
451 		(data->ak4396_regs[0][AK4396_CONTROL_2] & AK4396_SLOW) != 0;
452 	return 0;
453 }
454 
455 static int rolloff_put(struct snd_kcontrol *ctl,
456 		       struct snd_ctl_elem_value *value)
457 {
458 	struct oxygen *chip = ctl->private_data;
459 	struct generic_data *data = chip->model_data;
460 	unsigned int i;
461 	int changed;
462 	u8 reg;
463 
464 	mutex_lock(&chip->mutex);
465 	reg = data->ak4396_regs[0][AK4396_CONTROL_2];
466 	if (value->value.enumerated.item[0])
467 		reg |= AK4396_SLOW;
468 	else
469 		reg &= ~AK4396_SLOW;
470 	changed = reg != data->ak4396_regs[0][AK4396_CONTROL_2];
471 	if (changed) {
472 		for (i = 0; i < data->dacs; ++i)
473 			ak4396_write(chip, i, AK4396_CONTROL_2, reg);
474 	}
475 	mutex_unlock(&chip->mutex);
476 	return changed;
477 }
478 
479 static const struct snd_kcontrol_new rolloff_control = {
480 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
481 	.name = "DAC Filter Playback Enum",
482 	.info = rolloff_info,
483 	.get = rolloff_get,
484 	.put = rolloff_put,
485 };
486 
487 static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
488 {
489 	static const char *const names[2] = {
490 		"None", "High-pass Filter"
491 	};
492 
493 	return snd_ctl_enum_info(info, 1, 2, names);
494 }
495 
496 static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
497 {
498 	struct oxygen *chip = ctl->private_data;
499 	struct generic_data *data = chip->model_data;
500 
501 	value->value.enumerated.item[0] =
502 		(data->wm8785_regs[WM8785_R2] & WM8785_HPFR) != 0;
503 	return 0;
504 }
505 
506 static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
507 {
508 	struct oxygen *chip = ctl->private_data;
509 	struct generic_data *data = chip->model_data;
510 	unsigned int reg;
511 	int changed;
512 
513 	mutex_lock(&chip->mutex);
514 	reg = data->wm8785_regs[WM8785_R2] & ~(WM8785_HPFR | WM8785_HPFL);
515 	if (value->value.enumerated.item[0])
516 		reg |= WM8785_HPFR | WM8785_HPFL;
517 	changed = reg != data->wm8785_regs[WM8785_R2];
518 	if (changed)
519 		wm8785_write(chip, WM8785_R2, reg);
520 	mutex_unlock(&chip->mutex);
521 	return changed;
522 }
523 
524 static const struct snd_kcontrol_new hpf_control = {
525 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
526 	.name = "ADC Filter Capture Enum",
527 	.info = hpf_info,
528 	.get = hpf_get,
529 	.put = hpf_put,
530 };
531 
532 static int meridian_dig_source_info(struct snd_kcontrol *ctl,
533 				    struct snd_ctl_elem_info *info)
534 {
535 	static const char *const names[2] = { "On-board", "Extension" };
536 
537 	return snd_ctl_enum_info(info, 1, 2, names);
538 }
539 
540 static int claro_dig_source_info(struct snd_kcontrol *ctl,
541 				 struct snd_ctl_elem_info *info)
542 {
543 	static const char *const names[2] = { "Optical", "Coaxial" };
544 
545 	return snd_ctl_enum_info(info, 1, 2, names);
546 }
547 
548 static int meridian_dig_source_get(struct snd_kcontrol *ctl,
549 				   struct snd_ctl_elem_value *value)
550 {
551 	struct oxygen *chip = ctl->private_data;
552 
553 	value->value.enumerated.item[0] =
554 		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) &
555 		   GPIO_MERIDIAN_DIG_EXT);
556 	return 0;
557 }
558 
559 static int claro_dig_source_get(struct snd_kcontrol *ctl,
560 				struct snd_ctl_elem_value *value)
561 {
562 	struct oxygen *chip = ctl->private_data;
563 
564 	value->value.enumerated.item[0] =
565 		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) &
566 		   GPIO_CLARO_DIG_COAX);
567 	return 0;
568 }
569 
570 static int meridian_dig_source_put(struct snd_kcontrol *ctl,
571 				   struct snd_ctl_elem_value *value)
572 {
573 	struct oxygen *chip = ctl->private_data;
574 	u16 old_reg, new_reg;
575 	int changed;
576 
577 	mutex_lock(&chip->mutex);
578 	old_reg = oxygen_read16(chip, OXYGEN_GPIO_DATA);
579 	new_reg = old_reg & ~GPIO_MERIDIAN_DIG_MASK;
580 	if (value->value.enumerated.item[0] == 0)
581 		new_reg |= GPIO_MERIDIAN_DIG_BOARD;
582 	else
583 		new_reg |= GPIO_MERIDIAN_DIG_EXT;
584 	changed = new_reg != old_reg;
585 	if (changed)
586 		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_reg);
587 	mutex_unlock(&chip->mutex);
588 	return changed;
589 }
590 
591 static int claro_dig_source_put(struct snd_kcontrol *ctl,
592 				struct snd_ctl_elem_value *value)
593 {
594 	struct oxygen *chip = ctl->private_data;
595 	u16 old_reg, new_reg;
596 	int changed;
597 
598 	mutex_lock(&chip->mutex);
599 	old_reg = oxygen_read16(chip, OXYGEN_GPIO_DATA);
600 	new_reg = old_reg & ~GPIO_CLARO_DIG_COAX;
601 	if (value->value.enumerated.item[0])
602 		new_reg |= GPIO_CLARO_DIG_COAX;
603 	changed = new_reg != old_reg;
604 	if (changed)
605 		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_reg);
606 	mutex_unlock(&chip->mutex);
607 	return changed;
608 }
609 
610 static const struct snd_kcontrol_new meridian_dig_source_control = {
611 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
612 	.name = "IEC958 Source Capture Enum",
613 	.info = meridian_dig_source_info,
614 	.get = meridian_dig_source_get,
615 	.put = meridian_dig_source_put,
616 };
617 
618 static const struct snd_kcontrol_new claro_dig_source_control = {
619 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
620 	.name = "IEC958 Source Capture Enum",
621 	.info = claro_dig_source_info,
622 	.get = claro_dig_source_get,
623 	.put = claro_dig_source_put,
624 };
625 
626 static int generic_mixer_init(struct oxygen *chip)
627 {
628 	return snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip));
629 }
630 
631 static int generic_wm8785_mixer_init(struct oxygen *chip)
632 {
633 	int err;
634 
635 	err = generic_mixer_init(chip);
636 	if (err < 0)
637 		return err;
638 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hpf_control, chip));
639 	if (err < 0)
640 		return err;
641 	return 0;
642 }
643 
644 static int meridian_mixer_init(struct oxygen *chip)
645 {
646 	int err;
647 
648 	err = generic_mixer_init(chip);
649 	if (err < 0)
650 		return err;
651 	err = snd_ctl_add(chip->card,
652 			  snd_ctl_new1(&meridian_dig_source_control, chip));
653 	if (err < 0)
654 		return err;
655 	return 0;
656 }
657 
658 static int claro_mixer_init(struct oxygen *chip)
659 {
660 	int err;
661 
662 	err = generic_wm8785_mixer_init(chip);
663 	if (err < 0)
664 		return err;
665 	err = snd_ctl_add(chip->card,
666 			  snd_ctl_new1(&claro_dig_source_control, chip));
667 	if (err < 0)
668 		return err;
669 	return 0;
670 }
671 
672 static int claro_halo_mixer_init(struct oxygen *chip)
673 {
674 	int err;
675 
676 	err = generic_mixer_init(chip);
677 	if (err < 0)
678 		return err;
679 	err = snd_ctl_add(chip->card,
680 			  snd_ctl_new1(&claro_dig_source_control, chip));
681 	if (err < 0)
682 		return err;
683 	return 0;
684 }
685 
686 static void dump_ak4396_registers(struct oxygen *chip,
687 				  struct snd_info_buffer *buffer)
688 {
689 	struct generic_data *data = chip->model_data;
690 	unsigned int dac, i;
691 
692 	for (dac = 0; dac < data->dacs; ++dac) {
693 		snd_iprintf(buffer, "\nAK4396 %u:", dac + 1);
694 		for (i = 0; i < 5; ++i)
695 			snd_iprintf(buffer, " %02x", data->ak4396_regs[dac][i]);
696 	}
697 	snd_iprintf(buffer, "\n");
698 }
699 
700 static void dump_wm8785_registers(struct oxygen *chip,
701 				  struct snd_info_buffer *buffer)
702 {
703 	struct generic_data *data = chip->model_data;
704 	unsigned int i;
705 
706 	snd_iprintf(buffer, "\nWM8785:");
707 	for (i = 0; i < 3; ++i)
708 		snd_iprintf(buffer, " %03x", data->wm8785_regs[i]);
709 	snd_iprintf(buffer, "\n");
710 }
711 
712 static void dump_oxygen_registers(struct oxygen *chip,
713 				  struct snd_info_buffer *buffer)
714 {
715 	dump_ak4396_registers(chip, buffer);
716 	dump_wm8785_registers(chip, buffer);
717 }
718 
719 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
720 
721 static const struct oxygen_model model_generic = {
722 	.shortname = "C-Media CMI8788",
723 	.longname = "C-Media Oxygen HD Audio",
724 	.chip = "CMI8788",
725 	.init = generic_init,
726 	.mixer_init = generic_wm8785_mixer_init,
727 	.cleanup = generic_cleanup,
728 	.resume = generic_resume,
729 	.set_dac_params = set_ak4396_params,
730 	.set_adc_params = set_wm8785_params,
731 	.update_dac_volume = update_ak4396_volume,
732 	.update_dac_mute = update_ak4396_mute,
733 	.dump_registers = dump_oxygen_registers,
734 	.dac_tlv = ak4396_db_scale,
735 	.model_data_size = sizeof(struct generic_data),
736 	.device_config = PLAYBACK_0_TO_I2S |
737 			 PLAYBACK_1_TO_SPDIF |
738 			 PLAYBACK_2_TO_AC97_1 |
739 			 CAPTURE_0_FROM_I2S_1 |
740 			 CAPTURE_1_FROM_SPDIF |
741 			 CAPTURE_2_FROM_AC97_1 |
742 			 AC97_CD_INPUT,
743 	.dac_channels_pcm = 8,
744 	.dac_channels_mixer = 8,
745 	.dac_volume_min = 0,
746 	.dac_volume_max = 255,
747 	.function_flags = OXYGEN_FUNCTION_SPI |
748 			  OXYGEN_FUNCTION_ENABLE_SPI_4_5,
749 	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
750 	.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
751 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
752 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
753 };
754 
755 static int __devinit get_oxygen_model(struct oxygen *chip,
756 				      const struct pci_device_id *id)
757 {
758 	static const char *const names[] = {
759 		[MODEL_MERIDIAN]	= "AuzenTech X-Meridian",
760 		[MODEL_MERIDIAN_2G]	= "AuzenTech X-Meridian 2G",
761 		[MODEL_CLARO]		= "HT-Omega Claro",
762 		[MODEL_CLARO_HALO]	= "HT-Omega Claro halo",
763 		[MODEL_FANTASIA]	= "TempoTec HiFier Fantasia",
764 		[MODEL_SERENADE]	= "TempoTec HiFier Serenade",
765 		[MODEL_HG2PCI]		= "CMI8787-HG2PCI",
766 	};
767 
768 	chip->model = model_generic;
769 	switch (id->driver_data) {
770 	case MODEL_MERIDIAN:
771 	case MODEL_MERIDIAN_2G:
772 		chip->model.init = meridian_init;
773 		chip->model.mixer_init = meridian_mixer_init;
774 		chip->model.resume = meridian_resume;
775 		chip->model.set_adc_params = set_ak5385_params;
776 		chip->model.dump_registers = dump_ak4396_registers;
777 		chip->model.device_config = PLAYBACK_0_TO_I2S |
778 					    PLAYBACK_1_TO_SPDIF |
779 					    CAPTURE_0_FROM_I2S_2 |
780 					    CAPTURE_1_FROM_SPDIF;
781 		if (id->driver_data == MODEL_MERIDIAN)
782 			chip->model.device_config |= AC97_CD_INPUT;
783 		break;
784 	case MODEL_CLARO:
785 		chip->model.init = claro_init;
786 		chip->model.mixer_init = claro_mixer_init;
787 		chip->model.cleanup = claro_cleanup;
788 		chip->model.suspend = claro_suspend;
789 		chip->model.resume = claro_resume;
790 		break;
791 	case MODEL_CLARO_HALO:
792 		chip->model.init = claro_halo_init;
793 		chip->model.mixer_init = claro_halo_mixer_init;
794 		chip->model.cleanup = claro_cleanup;
795 		chip->model.suspend = claro_suspend;
796 		chip->model.resume = claro_resume;
797 		chip->model.set_adc_params = set_ak5385_params;
798 		chip->model.dump_registers = dump_ak4396_registers;
799 		chip->model.device_config = PLAYBACK_0_TO_I2S |
800 					    PLAYBACK_1_TO_SPDIF |
801 					    CAPTURE_0_FROM_I2S_2 |
802 					    CAPTURE_1_FROM_SPDIF;
803 		break;
804 	case MODEL_FANTASIA:
805 	case MODEL_SERENADE:
806 	case MODEL_2CH_OUTPUT:
807 	case MODEL_HG2PCI:
808 		chip->model.shortname = "C-Media CMI8787";
809 		chip->model.chip = "CMI8787";
810 		if (id->driver_data == MODEL_FANTASIA)
811 			chip->model.init = fantasia_init;
812 		else
813 			chip->model.init = stereo_output_init;
814 		chip->model.resume = stereo_resume;
815 		chip->model.mixer_init = generic_mixer_init;
816 		chip->model.set_adc_params = set_no_params;
817 		chip->model.dump_registers = dump_ak4396_registers;
818 		chip->model.device_config = PLAYBACK_0_TO_I2S |
819 					    PLAYBACK_1_TO_SPDIF;
820 		if (id->driver_data == MODEL_FANTASIA) {
821 			chip->model.device_config |= CAPTURE_0_FROM_I2S_1;
822 			chip->model.adc_mclks = OXYGEN_MCLKS(256, 128, 128);
823 		}
824 		chip->model.dac_channels_pcm = 2;
825 		chip->model.dac_channels_mixer = 2;
826 		break;
827 	case MODEL_XONAR_DG:
828 		chip->model = model_xonar_dg;
829 		break;
830 	}
831 	if (id->driver_data == MODEL_MERIDIAN ||
832 	    id->driver_data == MODEL_MERIDIAN_2G ||
833 	    id->driver_data == MODEL_CLARO_HALO) {
834 		chip->model.misc_flags = OXYGEN_MISC_MIDI;
835 		chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT;
836 	}
837 	if (id->driver_data < ARRAY_SIZE(names) && names[id->driver_data])
838 		chip->model.shortname = names[id->driver_data];
839 	return 0;
840 }
841 
842 static int __devinit generic_oxygen_probe(struct pci_dev *pci,
843 					  const struct pci_device_id *pci_id)
844 {
845 	static int dev;
846 	int err;
847 
848 	if (dev >= SNDRV_CARDS)
849 		return -ENODEV;
850 	if (!enable[dev]) {
851 		++dev;
852 		return -ENOENT;
853 	}
854 	err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
855 			       oxygen_ids, get_oxygen_model);
856 	if (err >= 0)
857 		++dev;
858 	return err;
859 }
860 
861 static struct pci_driver oxygen_driver = {
862 	.name = "CMI8788",
863 	.id_table = oxygen_ids,
864 	.probe = generic_oxygen_probe,
865 	.remove = __devexit_p(oxygen_pci_remove),
866 #ifdef CONFIG_PM
867 	.suspend = oxygen_pci_suspend,
868 	.resume = oxygen_pci_resume,
869 #endif
870 };
871 
872 static int __init alsa_card_oxygen_init(void)
873 {
874 	return pci_register_driver(&oxygen_driver);
875 }
876 
877 static void __exit alsa_card_oxygen_exit(void)
878 {
879 	pci_unregister_driver(&oxygen_driver);
880 }
881 
882 module_init(alsa_card_oxygen_init)
883 module_exit(alsa_card_oxygen_exit)
884