xref: /linux/sound/pci/oxygen/oxygen.c (revision 87c9c16317882dd6dbbc07e349bc3223e14f3244)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * C-Media CMI8788 driver for C-Media's reference design and similar models
4  *
5  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
6  */
7 
8 /*
9  * CMI8788:
10  *
11  *   SPI 0 -> 1st AK4396 (front)
12  *   SPI 1 -> 2nd AK4396 (surround)
13  *   SPI 2 -> 3rd AK4396 (center/LFE)
14  *   SPI 3 -> WM8785
15  *   SPI 4 -> 4th AK4396 (back)
16  *
17  *   GPIO 0 -> DFS0 of AK5385
18  *   GPIO 1 -> DFS1 of AK5385
19  *
20  * X-Meridian models:
21  *   GPIO 4 -> enable extension S/PDIF input
22  *   GPIO 6 -> enable on-board S/PDIF input
23  *
24  * Claro models:
25  *   GPIO 6 -> S/PDIF from optical (0) or coaxial (1) input
26  *   GPIO 8 -> enable headphone amplifier
27  *
28  * CM9780:
29  *
30  *   LINE_OUT -> input of ADC
31  *
32  *   AUX_IN <- aux
33  *   CD_IN  <- CD
34  *   MIC_IN <- mic
35  *
36  *   GPO 0 -> route line-in (0) or AC97 output (1) to ADC input
37  */
38 
39 #include <linux/delay.h>
40 #include <linux/mutex.h>
41 #include <linux/pci.h>
42 #include <linux/module.h>
43 #include <sound/ac97_codec.h>
44 #include <sound/control.h>
45 #include <sound/core.h>
46 #include <sound/info.h>
47 #include <sound/initval.h>
48 #include <sound/pcm.h>
49 #include <sound/pcm_params.h>
50 #include <sound/tlv.h>
51 #include "oxygen.h"
52 #include "xonar_dg.h"
53 #include "ak4396.h"
54 #include "wm8785.h"
55 
56 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
57 MODULE_DESCRIPTION("C-Media CMI8788 driver");
58 MODULE_LICENSE("GPL v2");
59 
60 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
61 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
62 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
63 
64 module_param_array(index, int, NULL, 0444);
65 MODULE_PARM_DESC(index, "card index");
66 module_param_array(id, charp, NULL, 0444);
67 MODULE_PARM_DESC(id, "ID string");
68 module_param_array(enable, bool, NULL, 0444);
69 MODULE_PARM_DESC(enable, "enable card");
70 
71 enum {
72 	MODEL_CMEDIA_REF,
73 	MODEL_MERIDIAN,
74 	MODEL_MERIDIAN_2G,
75 	MODEL_CLARO,
76 	MODEL_CLARO_HALO,
77 	MODEL_FANTASIA,
78 	MODEL_SERENADE,
79 	MODEL_2CH_OUTPUT,
80 	MODEL_HG2PCI,
81 	MODEL_XONAR_DG,
82 	MODEL_XONAR_DGX,
83 };
84 
85 static const struct pci_device_id oxygen_ids[] = {
86 	/* C-Media's reference design */
87 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0216), .driver_data = MODEL_CMEDIA_REF },
88 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0217), .driver_data = MODEL_CMEDIA_REF },
89 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0218), .driver_data = MODEL_CMEDIA_REF },
90 	{ OXYGEN_PCI_SUBID(0x10b0, 0x0219), .driver_data = MODEL_CMEDIA_REF },
91 	{ OXYGEN_PCI_SUBID(0x13f6, 0x0001), .driver_data = MODEL_CMEDIA_REF },
92 	{ OXYGEN_PCI_SUBID(0x13f6, 0x0010), .driver_data = MODEL_CMEDIA_REF },
93 	{ OXYGEN_PCI_SUBID(0x13f6, 0x8788), .driver_data = MODEL_CMEDIA_REF },
94 	{ OXYGEN_PCI_SUBID(0x147a, 0xa017), .driver_data = MODEL_CMEDIA_REF },
95 	{ OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF },
96 	/* Asus Xonar DG */
97 	{ OXYGEN_PCI_SUBID(0x1043, 0x8467), .driver_data = MODEL_XONAR_DG },
98 	/* Asus Xonar DGX */
99 	{ OXYGEN_PCI_SUBID(0x1043, 0x8521), .driver_data = MODEL_XONAR_DGX },
100 	/* PCI 2.0 HD Audio */
101 	{ OXYGEN_PCI_SUBID(0x13f6, 0x8782), .driver_data = MODEL_2CH_OUTPUT },
102 	/* Kuroutoshikou CMI8787-HG2PCI */
103 	{ OXYGEN_PCI_SUBID(0x13f6, 0xffff), .driver_data = MODEL_HG2PCI },
104 	/* TempoTec HiFier Fantasia */
105 	{ OXYGEN_PCI_SUBID(0x14c3, 0x1710), .driver_data = MODEL_FANTASIA },
106 	/* TempoTec HiFier Serenade */
107 	{ OXYGEN_PCI_SUBID(0x14c3, 0x1711), .driver_data = MODEL_SERENADE },
108 	/* AuzenTech X-Meridian */
109 	{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = MODEL_MERIDIAN },
110 	/* AuzenTech X-Meridian 2G */
111 	{ OXYGEN_PCI_SUBID(0x5431, 0x017a), .driver_data = MODEL_MERIDIAN_2G },
112 	/* HT-Omega Claro */
113 	{ OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data = MODEL_CLARO },
114 	/* HT-Omega Claro halo */
115 	{ OXYGEN_PCI_SUBID(0x7284, 0x9781), .driver_data = MODEL_CLARO_HALO },
116 	{ }
117 };
118 MODULE_DEVICE_TABLE(pci, oxygen_ids);
119 
120 
121 #define GPIO_AK5385_DFS_MASK	0x0003
122 #define GPIO_AK5385_DFS_NORMAL	0x0000
123 #define GPIO_AK5385_DFS_DOUBLE	0x0001
124 #define GPIO_AK5385_DFS_QUAD	0x0002
125 
126 #define GPIO_MERIDIAN_DIG_MASK	0x0050
127 #define GPIO_MERIDIAN_DIG_EXT	0x0010
128 #define GPIO_MERIDIAN_DIG_BOARD	0x0040
129 
130 #define GPIO_CLARO_DIG_COAX	0x0040
131 #define GPIO_CLARO_HP		0x0100
132 
133 struct generic_data {
134 	unsigned int dacs;
135 	u8 ak4396_regs[4][5];
136 	u16 wm8785_regs[3];
137 };
138 
139 static void ak4396_write(struct oxygen *chip, unsigned int codec,
140 			 u8 reg, u8 value)
141 {
142 	/* maps ALSA channel pair number to SPI output */
143 	static const u8 codec_spi_map[4] = {
144 		0, 1, 2, 4
145 	};
146 	struct generic_data *data = chip->model_data;
147 
148 	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
149 			 OXYGEN_SPI_DATA_LENGTH_2 |
150 			 OXYGEN_SPI_CLOCK_160 |
151 			 (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
152 			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
153 			 AK4396_WRITE | (reg << 8) | value);
154 	data->ak4396_regs[codec][reg] = value;
155 }
156 
157 static void ak4396_write_cached(struct oxygen *chip, unsigned int codec,
158 				u8 reg, u8 value)
159 {
160 	struct generic_data *data = chip->model_data;
161 
162 	if (value != data->ak4396_regs[codec][reg])
163 		ak4396_write(chip, codec, reg, value);
164 }
165 
166 static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
167 {
168 	struct generic_data *data = chip->model_data;
169 
170 	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
171 			 OXYGEN_SPI_DATA_LENGTH_2 |
172 			 OXYGEN_SPI_CLOCK_160 |
173 			 (3 << OXYGEN_SPI_CODEC_SHIFT) |
174 			 OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
175 			 (reg << 9) | value);
176 	if (reg < ARRAY_SIZE(data->wm8785_regs))
177 		data->wm8785_regs[reg] = value;
178 }
179 
180 static void ak4396_registers_init(struct oxygen *chip)
181 {
182 	struct generic_data *data = chip->model_data;
183 	unsigned int i;
184 
185 	for (i = 0; i < data->dacs; ++i) {
186 		ak4396_write(chip, i, AK4396_CONTROL_1,
187 			     AK4396_DIF_24_MSB | AK4396_RSTN);
188 		ak4396_write(chip, i, AK4396_CONTROL_2,
189 			     data->ak4396_regs[0][AK4396_CONTROL_2]);
190 		ak4396_write(chip, i, AK4396_CONTROL_3,
191 			     AK4396_PCM);
192 		ak4396_write(chip, i, AK4396_LCH_ATT,
193 			     chip->dac_volume[i * 2]);
194 		ak4396_write(chip, i, AK4396_RCH_ATT,
195 			     chip->dac_volume[i * 2 + 1]);
196 	}
197 }
198 
199 static void ak4396_init(struct oxygen *chip)
200 {
201 	struct generic_data *data = chip->model_data;
202 
203 	data->dacs = chip->model.dac_channels_pcm / 2;
204 	data->ak4396_regs[0][AK4396_CONTROL_2] =
205 		AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
206 	ak4396_registers_init(chip);
207 	snd_component_add(chip->card, "AK4396");
208 }
209 
210 static void ak5385_init(struct oxygen *chip)
211 {
212 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
213 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
214 	snd_component_add(chip->card, "AK5385");
215 }
216 
217 static void wm8785_registers_init(struct oxygen *chip)
218 {
219 	struct generic_data *data = chip->model_data;
220 
221 	wm8785_write(chip, WM8785_R7, 0);
222 	wm8785_write(chip, WM8785_R0, data->wm8785_regs[0]);
223 	wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]);
224 }
225 
226 static void wm8785_init(struct oxygen *chip)
227 {
228 	struct generic_data *data = chip->model_data;
229 
230 	data->wm8785_regs[0] =
231 		WM8785_MCR_SLAVE | WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST;
232 	data->wm8785_regs[2] = WM8785_HPFR | WM8785_HPFL;
233 	wm8785_registers_init(chip);
234 	snd_component_add(chip->card, "WM8785");
235 }
236 
237 static void generic_init(struct oxygen *chip)
238 {
239 	ak4396_init(chip);
240 	wm8785_init(chip);
241 }
242 
243 static void meridian_init(struct oxygen *chip)
244 {
245 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
246 			  GPIO_MERIDIAN_DIG_MASK);
247 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
248 			      GPIO_MERIDIAN_DIG_BOARD, GPIO_MERIDIAN_DIG_MASK);
249 	ak4396_init(chip);
250 	ak5385_init(chip);
251 }
252 
253 static void claro_enable_hp(struct oxygen *chip)
254 {
255 	msleep(300);
256 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_HP);
257 	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP);
258 }
259 
260 static void claro_init(struct oxygen *chip)
261 {
262 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_DIG_COAX);
263 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_DIG_COAX);
264 	ak4396_init(chip);
265 	wm8785_init(chip);
266 	claro_enable_hp(chip);
267 }
268 
269 static void claro_halo_init(struct oxygen *chip)
270 {
271 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_DIG_COAX);
272 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_DIG_COAX);
273 	ak4396_init(chip);
274 	ak5385_init(chip);
275 	claro_enable_hp(chip);
276 }
277 
278 static void fantasia_init(struct oxygen *chip)
279 {
280 	ak4396_init(chip);
281 	snd_component_add(chip->card, "CS5340");
282 }
283 
284 static void stereo_output_init(struct oxygen *chip)
285 {
286 	ak4396_init(chip);
287 }
288 
289 static void generic_cleanup(struct oxygen *chip)
290 {
291 }
292 
293 static void claro_disable_hp(struct oxygen *chip)
294 {
295 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP);
296 }
297 
298 static void claro_cleanup(struct oxygen *chip)
299 {
300 	claro_disable_hp(chip);
301 }
302 
303 static void claro_suspend(struct oxygen *chip)
304 {
305 	claro_disable_hp(chip);
306 }
307 
308 static void generic_resume(struct oxygen *chip)
309 {
310 	ak4396_registers_init(chip);
311 	wm8785_registers_init(chip);
312 }
313 
314 static void meridian_resume(struct oxygen *chip)
315 {
316 	ak4396_registers_init(chip);
317 }
318 
319 static void claro_resume(struct oxygen *chip)
320 {
321 	ak4396_registers_init(chip);
322 	claro_enable_hp(chip);
323 }
324 
325 static void stereo_resume(struct oxygen *chip)
326 {
327 	ak4396_registers_init(chip);
328 }
329 
330 static void set_ak4396_params(struct oxygen *chip,
331 			      struct snd_pcm_hw_params *params)
332 {
333 	struct generic_data *data = chip->model_data;
334 	unsigned int i;
335 	u8 value;
336 
337 	value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_DFS_MASK;
338 	if (params_rate(params) <= 54000)
339 		value |= AK4396_DFS_NORMAL;
340 	else if (params_rate(params) <= 108000)
341 		value |= AK4396_DFS_DOUBLE;
342 	else
343 		value |= AK4396_DFS_QUAD;
344 
345 	msleep(1); /* wait for the new MCLK to become stable */
346 
347 	if (value != data->ak4396_regs[0][AK4396_CONTROL_2]) {
348 		for (i = 0; i < data->dacs; ++i) {
349 			ak4396_write(chip, i, AK4396_CONTROL_1,
350 				     AK4396_DIF_24_MSB);
351 			ak4396_write(chip, i, AK4396_CONTROL_2, value);
352 			ak4396_write(chip, i, AK4396_CONTROL_1,
353 				     AK4396_DIF_24_MSB | AK4396_RSTN);
354 		}
355 	}
356 }
357 
358 static void update_ak4396_volume(struct oxygen *chip)
359 {
360 	struct generic_data *data = chip->model_data;
361 	unsigned int i;
362 
363 	for (i = 0; i < data->dacs; ++i) {
364 		ak4396_write_cached(chip, i, AK4396_LCH_ATT,
365 				    chip->dac_volume[i * 2]);
366 		ak4396_write_cached(chip, i, AK4396_RCH_ATT,
367 				    chip->dac_volume[i * 2 + 1]);
368 	}
369 }
370 
371 static void update_ak4396_mute(struct oxygen *chip)
372 {
373 	struct generic_data *data = chip->model_data;
374 	unsigned int i;
375 	u8 value;
376 
377 	value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_SMUTE;
378 	if (chip->dac_mute)
379 		value |= AK4396_SMUTE;
380 	for (i = 0; i < data->dacs; ++i)
381 		ak4396_write_cached(chip, i, AK4396_CONTROL_2, value);
382 }
383 
384 static void set_wm8785_params(struct oxygen *chip,
385 			      struct snd_pcm_hw_params *params)
386 {
387 	struct generic_data *data = chip->model_data;
388 	unsigned int value;
389 
390 	value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST;
391 	if (params_rate(params) <= 48000)
392 		value |= WM8785_OSR_SINGLE;
393 	else if (params_rate(params) <= 96000)
394 		value |= WM8785_OSR_DOUBLE;
395 	else
396 		value |= WM8785_OSR_QUAD;
397 	if (value != data->wm8785_regs[0]) {
398 		wm8785_write(chip, WM8785_R7, 0);
399 		wm8785_write(chip, WM8785_R0, value);
400 		wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]);
401 	}
402 }
403 
404 static void set_ak5385_params(struct oxygen *chip,
405 			      struct snd_pcm_hw_params *params)
406 {
407 	unsigned int value;
408 
409 	if (params_rate(params) <= 54000)
410 		value = GPIO_AK5385_DFS_NORMAL;
411 	else if (params_rate(params) <= 108000)
412 		value = GPIO_AK5385_DFS_DOUBLE;
413 	else
414 		value = GPIO_AK5385_DFS_QUAD;
415 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
416 			      value, GPIO_AK5385_DFS_MASK);
417 }
418 
419 static void set_no_params(struct oxygen *chip, struct snd_pcm_hw_params *params)
420 {
421 }
422 
423 static int rolloff_info(struct snd_kcontrol *ctl,
424 			struct snd_ctl_elem_info *info)
425 {
426 	static const char *const names[2] = {
427 		"Sharp Roll-off", "Slow Roll-off"
428 	};
429 
430 	return snd_ctl_enum_info(info, 1, 2, names);
431 }
432 
433 static int rolloff_get(struct snd_kcontrol *ctl,
434 		       struct snd_ctl_elem_value *value)
435 {
436 	struct oxygen *chip = ctl->private_data;
437 	struct generic_data *data = chip->model_data;
438 
439 	value->value.enumerated.item[0] =
440 		(data->ak4396_regs[0][AK4396_CONTROL_2] & AK4396_SLOW) != 0;
441 	return 0;
442 }
443 
444 static int rolloff_put(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 	unsigned int i;
450 	int changed;
451 	u8 reg;
452 
453 	mutex_lock(&chip->mutex);
454 	reg = data->ak4396_regs[0][AK4396_CONTROL_2];
455 	if (value->value.enumerated.item[0])
456 		reg |= AK4396_SLOW;
457 	else
458 		reg &= ~AK4396_SLOW;
459 	changed = reg != data->ak4396_regs[0][AK4396_CONTROL_2];
460 	if (changed) {
461 		for (i = 0; i < data->dacs; ++i)
462 			ak4396_write(chip, i, AK4396_CONTROL_2, reg);
463 	}
464 	mutex_unlock(&chip->mutex);
465 	return changed;
466 }
467 
468 static const struct snd_kcontrol_new rolloff_control = {
469 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
470 	.name = "DAC Filter Playback Enum",
471 	.info = rolloff_info,
472 	.get = rolloff_get,
473 	.put = rolloff_put,
474 };
475 
476 static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
477 {
478 	static const char *const names[2] = {
479 		"None", "High-pass Filter"
480 	};
481 
482 	return snd_ctl_enum_info(info, 1, 2, names);
483 }
484 
485 static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
486 {
487 	struct oxygen *chip = ctl->private_data;
488 	struct generic_data *data = chip->model_data;
489 
490 	value->value.enumerated.item[0] =
491 		(data->wm8785_regs[WM8785_R2] & WM8785_HPFR) != 0;
492 	return 0;
493 }
494 
495 static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
496 {
497 	struct oxygen *chip = ctl->private_data;
498 	struct generic_data *data = chip->model_data;
499 	unsigned int reg;
500 	int changed;
501 
502 	mutex_lock(&chip->mutex);
503 	reg = data->wm8785_regs[WM8785_R2] & ~(WM8785_HPFR | WM8785_HPFL);
504 	if (value->value.enumerated.item[0])
505 		reg |= WM8785_HPFR | WM8785_HPFL;
506 	changed = reg != data->wm8785_regs[WM8785_R2];
507 	if (changed)
508 		wm8785_write(chip, WM8785_R2, reg);
509 	mutex_unlock(&chip->mutex);
510 	return changed;
511 }
512 
513 static const struct snd_kcontrol_new hpf_control = {
514 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
515 	.name = "ADC Filter Capture Enum",
516 	.info = hpf_info,
517 	.get = hpf_get,
518 	.put = hpf_put,
519 };
520 
521 static int meridian_dig_source_info(struct snd_kcontrol *ctl,
522 				    struct snd_ctl_elem_info *info)
523 {
524 	static const char *const names[2] = { "On-board", "Extension" };
525 
526 	return snd_ctl_enum_info(info, 1, 2, names);
527 }
528 
529 static int claro_dig_source_info(struct snd_kcontrol *ctl,
530 				 struct snd_ctl_elem_info *info)
531 {
532 	static const char *const names[2] = { "Optical", "Coaxial" };
533 
534 	return snd_ctl_enum_info(info, 1, 2, names);
535 }
536 
537 static int meridian_dig_source_get(struct snd_kcontrol *ctl,
538 				   struct snd_ctl_elem_value *value)
539 {
540 	struct oxygen *chip = ctl->private_data;
541 
542 	value->value.enumerated.item[0] =
543 		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) &
544 		   GPIO_MERIDIAN_DIG_EXT);
545 	return 0;
546 }
547 
548 static int claro_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_CLARO_DIG_COAX);
556 	return 0;
557 }
558 
559 static int meridian_dig_source_put(struct snd_kcontrol *ctl,
560 				   struct snd_ctl_elem_value *value)
561 {
562 	struct oxygen *chip = ctl->private_data;
563 	u16 old_reg, new_reg;
564 	int changed;
565 
566 	mutex_lock(&chip->mutex);
567 	old_reg = oxygen_read16(chip, OXYGEN_GPIO_DATA);
568 	new_reg = old_reg & ~GPIO_MERIDIAN_DIG_MASK;
569 	if (value->value.enumerated.item[0] == 0)
570 		new_reg |= GPIO_MERIDIAN_DIG_BOARD;
571 	else
572 		new_reg |= GPIO_MERIDIAN_DIG_EXT;
573 	changed = new_reg != old_reg;
574 	if (changed)
575 		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_reg);
576 	mutex_unlock(&chip->mutex);
577 	return changed;
578 }
579 
580 static int claro_dig_source_put(struct snd_kcontrol *ctl,
581 				struct snd_ctl_elem_value *value)
582 {
583 	struct oxygen *chip = ctl->private_data;
584 	u16 old_reg, new_reg;
585 	int changed;
586 
587 	mutex_lock(&chip->mutex);
588 	old_reg = oxygen_read16(chip, OXYGEN_GPIO_DATA);
589 	new_reg = old_reg & ~GPIO_CLARO_DIG_COAX;
590 	if (value->value.enumerated.item[0])
591 		new_reg |= GPIO_CLARO_DIG_COAX;
592 	changed = new_reg != old_reg;
593 	if (changed)
594 		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_reg);
595 	mutex_unlock(&chip->mutex);
596 	return changed;
597 }
598 
599 static const struct snd_kcontrol_new meridian_dig_source_control = {
600 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
601 	.name = "IEC958 Source Capture Enum",
602 	.info = meridian_dig_source_info,
603 	.get = meridian_dig_source_get,
604 	.put = meridian_dig_source_put,
605 };
606 
607 static const struct snd_kcontrol_new claro_dig_source_control = {
608 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
609 	.name = "IEC958 Source Capture Enum",
610 	.info = claro_dig_source_info,
611 	.get = claro_dig_source_get,
612 	.put = claro_dig_source_put,
613 };
614 
615 static int generic_mixer_init(struct oxygen *chip)
616 {
617 	return snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip));
618 }
619 
620 static int generic_wm8785_mixer_init(struct oxygen *chip)
621 {
622 	int err;
623 
624 	err = generic_mixer_init(chip);
625 	if (err < 0)
626 		return err;
627 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hpf_control, chip));
628 	if (err < 0)
629 		return err;
630 	return 0;
631 }
632 
633 static int meridian_mixer_init(struct oxygen *chip)
634 {
635 	int err;
636 
637 	err = generic_mixer_init(chip);
638 	if (err < 0)
639 		return err;
640 	err = snd_ctl_add(chip->card,
641 			  snd_ctl_new1(&meridian_dig_source_control, chip));
642 	if (err < 0)
643 		return err;
644 	return 0;
645 }
646 
647 static int claro_mixer_init(struct oxygen *chip)
648 {
649 	int err;
650 
651 	err = generic_wm8785_mixer_init(chip);
652 	if (err < 0)
653 		return err;
654 	err = snd_ctl_add(chip->card,
655 			  snd_ctl_new1(&claro_dig_source_control, chip));
656 	if (err < 0)
657 		return err;
658 	return 0;
659 }
660 
661 static int claro_halo_mixer_init(struct oxygen *chip)
662 {
663 	int err;
664 
665 	err = generic_mixer_init(chip);
666 	if (err < 0)
667 		return err;
668 	err = snd_ctl_add(chip->card,
669 			  snd_ctl_new1(&claro_dig_source_control, chip));
670 	if (err < 0)
671 		return err;
672 	return 0;
673 }
674 
675 static void dump_ak4396_registers(struct oxygen *chip,
676 				  struct snd_info_buffer *buffer)
677 {
678 	struct generic_data *data = chip->model_data;
679 	unsigned int dac, i;
680 
681 	for (dac = 0; dac < data->dacs; ++dac) {
682 		snd_iprintf(buffer, "\nAK4396 %u:", dac + 1);
683 		for (i = 0; i < 5; ++i)
684 			snd_iprintf(buffer, " %02x", data->ak4396_regs[dac][i]);
685 	}
686 	snd_iprintf(buffer, "\n");
687 }
688 
689 static void dump_wm8785_registers(struct oxygen *chip,
690 				  struct snd_info_buffer *buffer)
691 {
692 	struct generic_data *data = chip->model_data;
693 	unsigned int i;
694 
695 	snd_iprintf(buffer, "\nWM8785:");
696 	for (i = 0; i < 3; ++i)
697 		snd_iprintf(buffer, " %03x", data->wm8785_regs[i]);
698 	snd_iprintf(buffer, "\n");
699 }
700 
701 static void dump_oxygen_registers(struct oxygen *chip,
702 				  struct snd_info_buffer *buffer)
703 {
704 	dump_ak4396_registers(chip, buffer);
705 	dump_wm8785_registers(chip, buffer);
706 }
707 
708 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
709 
710 static const struct oxygen_model model_generic = {
711 	.shortname = "C-Media CMI8788",
712 	.longname = "C-Media Oxygen HD Audio",
713 	.chip = "CMI8788",
714 	.init = generic_init,
715 	.mixer_init = generic_wm8785_mixer_init,
716 	.cleanup = generic_cleanup,
717 	.resume = generic_resume,
718 	.set_dac_params = set_ak4396_params,
719 	.set_adc_params = set_wm8785_params,
720 	.update_dac_volume = update_ak4396_volume,
721 	.update_dac_mute = update_ak4396_mute,
722 	.dump_registers = dump_oxygen_registers,
723 	.dac_tlv = ak4396_db_scale,
724 	.model_data_size = sizeof(struct generic_data),
725 	.device_config = PLAYBACK_0_TO_I2S |
726 			 PLAYBACK_1_TO_SPDIF |
727 			 PLAYBACK_2_TO_AC97_1 |
728 			 CAPTURE_0_FROM_I2S_1 |
729 			 CAPTURE_1_FROM_SPDIF |
730 			 CAPTURE_2_FROM_AC97_1 |
731 			 AC97_CD_INPUT,
732 	.dac_channels_pcm = 8,
733 	.dac_channels_mixer = 8,
734 	.dac_volume_min = 0,
735 	.dac_volume_max = 255,
736 	.function_flags = OXYGEN_FUNCTION_SPI |
737 			  OXYGEN_FUNCTION_ENABLE_SPI_4_5,
738 	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
739 	.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
740 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
741 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
742 };
743 
744 static int get_oxygen_model(struct oxygen *chip,
745 			    const struct pci_device_id *id)
746 {
747 	static const char *const names[] = {
748 		[MODEL_MERIDIAN]	= "AuzenTech X-Meridian",
749 		[MODEL_MERIDIAN_2G]	= "AuzenTech X-Meridian 2G",
750 		[MODEL_CLARO]		= "HT-Omega Claro",
751 		[MODEL_CLARO_HALO]	= "HT-Omega Claro halo",
752 		[MODEL_FANTASIA]	= "TempoTec HiFier Fantasia",
753 		[MODEL_SERENADE]	= "TempoTec HiFier Serenade",
754 		[MODEL_HG2PCI]		= "CMI8787-HG2PCI",
755 		[MODEL_XONAR_DG]        = "Xonar DG",
756 		[MODEL_XONAR_DGX]       = "Xonar DGX",
757 	};
758 
759 	chip->model = model_generic;
760 	switch (id->driver_data) {
761 	case MODEL_MERIDIAN:
762 	case MODEL_MERIDIAN_2G:
763 		chip->model.init = meridian_init;
764 		chip->model.mixer_init = meridian_mixer_init;
765 		chip->model.resume = meridian_resume;
766 		chip->model.set_adc_params = set_ak5385_params;
767 		chip->model.dump_registers = dump_ak4396_registers;
768 		chip->model.device_config = PLAYBACK_0_TO_I2S |
769 					    PLAYBACK_1_TO_SPDIF |
770 					    CAPTURE_0_FROM_I2S_2 |
771 					    CAPTURE_1_FROM_SPDIF;
772 		if (id->driver_data == MODEL_MERIDIAN)
773 			chip->model.device_config |= AC97_CD_INPUT;
774 		break;
775 	case MODEL_CLARO:
776 		chip->model.init = claro_init;
777 		chip->model.mixer_init = claro_mixer_init;
778 		chip->model.cleanup = claro_cleanup;
779 		chip->model.suspend = claro_suspend;
780 		chip->model.resume = claro_resume;
781 		break;
782 	case MODEL_CLARO_HALO:
783 		chip->model.init = claro_halo_init;
784 		chip->model.mixer_init = claro_halo_mixer_init;
785 		chip->model.cleanup = claro_cleanup;
786 		chip->model.suspend = claro_suspend;
787 		chip->model.resume = claro_resume;
788 		chip->model.set_adc_params = set_ak5385_params;
789 		chip->model.dump_registers = dump_ak4396_registers;
790 		chip->model.device_config = PLAYBACK_0_TO_I2S |
791 					    PLAYBACK_1_TO_SPDIF |
792 					    CAPTURE_0_FROM_I2S_2 |
793 					    CAPTURE_1_FROM_SPDIF;
794 		break;
795 	case MODEL_FANTASIA:
796 	case MODEL_SERENADE:
797 	case MODEL_2CH_OUTPUT:
798 	case MODEL_HG2PCI:
799 		chip->model.shortname = "C-Media CMI8787";
800 		chip->model.chip = "CMI8787";
801 		if (id->driver_data == MODEL_FANTASIA)
802 			chip->model.init = fantasia_init;
803 		else
804 			chip->model.init = stereo_output_init;
805 		chip->model.resume = stereo_resume;
806 		chip->model.mixer_init = generic_mixer_init;
807 		chip->model.set_adc_params = set_no_params;
808 		chip->model.dump_registers = dump_ak4396_registers;
809 		chip->model.device_config = PLAYBACK_0_TO_I2S |
810 					    PLAYBACK_1_TO_SPDIF;
811 		if (id->driver_data == MODEL_FANTASIA) {
812 			chip->model.device_config |= CAPTURE_0_FROM_I2S_1;
813 			chip->model.adc_mclks = OXYGEN_MCLKS(256, 128, 128);
814 		}
815 		chip->model.dac_channels_pcm = 2;
816 		chip->model.dac_channels_mixer = 2;
817 		break;
818 	case MODEL_XONAR_DG:
819 	case MODEL_XONAR_DGX:
820 		chip->model = model_xonar_dg;
821 		break;
822 	}
823 	if (id->driver_data == MODEL_MERIDIAN ||
824 	    id->driver_data == MODEL_MERIDIAN_2G ||
825 	    id->driver_data == MODEL_CLARO_HALO) {
826 		chip->model.misc_flags = OXYGEN_MISC_MIDI;
827 		chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT;
828 	}
829 	if (id->driver_data < ARRAY_SIZE(names) && names[id->driver_data])
830 		chip->model.shortname = names[id->driver_data];
831 	return 0;
832 }
833 
834 static int generic_oxygen_probe(struct pci_dev *pci,
835 				const struct pci_device_id *pci_id)
836 {
837 	static int dev;
838 	int err;
839 
840 	if (dev >= SNDRV_CARDS)
841 		return -ENODEV;
842 	if (!enable[dev]) {
843 		++dev;
844 		return -ENOENT;
845 	}
846 	err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
847 			       oxygen_ids, get_oxygen_model);
848 	if (err >= 0)
849 		++dev;
850 	return err;
851 }
852 
853 static struct pci_driver oxygen_driver = {
854 	.name = KBUILD_MODNAME,
855 	.id_table = oxygen_ids,
856 	.probe = generic_oxygen_probe,
857 	.remove = oxygen_pci_remove,
858 #ifdef CONFIG_PM_SLEEP
859 	.driver = {
860 		.pm = &oxygen_pci_pm,
861 	},
862 #endif
863 };
864 
865 module_pci_driver(oxygen_driver);
866