aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/oxygen/oxygen.c
blob: 60af3a7d9824eac7fa6a7d5362ff6324848f8358 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
/*
 * C-Media CMI8788 driver for C-Media's reference design and for the X-Meridian
 *
 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
 *
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License, version 2.
 *
 *  This driver is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this driver; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

/*
 * SPI 0 -> 1st AK4396 (front)
 * SPI 1 -> 2nd AK4396 (surround)
 * SPI 2 -> 3rd AK4396 (center/LFE)
 * SPI 3 -> WM8785
 * SPI 4 -> 4th AK4396 (back)
 *
 * GPIO 0 -> DFS0 of AK5385
 * GPIO 1 -> DFS1 of AK5385
 */

#include <linux/pci.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include "oxygen.h"

MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
MODULE_DESCRIPTION("C-Media CMI8788 driver");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "card index");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "enable card");

static struct pci_device_id oxygen_ids[] __devinitdata = {
	{ OXYGEN_PCI_SUBID(0x10b0, 0x0216) },
	{ OXYGEN_PCI_SUBID(0x10b0, 0x0218) },
	{ OXYGEN_PCI_SUBID(0x10b0, 0x0219) },
	{ OXYGEN_PCI_SUBID(0x13f6, 0x0001) },
	{ OXYGEN_PCI_SUBID(0x13f6, 0x0010) },
	{ OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
	{ OXYGEN_PCI_SUBID(0x147a, 0xa017) },
	{ OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
	{ OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
	{ OXYGEN_PCI_SUBID(0x1a58, 0x0910) },
	{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = 1 },
	{ OXYGEN_PCI_SUBID(0x7284, 0x9761) },
	{ }
};
MODULE_DEVICE_TABLE(pci, oxygen_ids);


#define GPIO_AK5385_DFS_MASK	0x0003
#define GPIO_AK5385_DFS_NORMAL	0x0000
#define GPIO_AK5385_DFS_DOUBLE	0x0001
#define GPIO_AK5385_DFS_QUAD	0x0002

#define AK4396_WRITE	0x2000

#define AK4396_CONTROL_1	0
#define AK4396_CONTROL_2	1
#define AK4396_CONTROL_3	2
#define AK4396_LCH_ATT		3
#define AK4396_RCH_ATT		4

/* control 1 */
#define AK4396_RSTN		0x01
#define AK4396_DIF_MASK		0x0e
#define AK4396_DIF_16_LSB	0x00
#define AK4396_DIF_20_LSB	0x02
#define AK4396_DIF_24_MSB	0x04
#define AK4396_DIF_24_I2S	0x06
#define AK4396_DIF_24_LSB	0x08
#define AK4396_ACKS		0x80
/* control 2 */
#define AK4396_SMUTE		0x01
#define AK4396_DEM_MASK		0x06
#define AK4396_DEM_441		0x00
#define AK4396_DEM_OFF		0x02
#define AK4396_DEM_48		0x04
#define AK4396_DEM_32		0x06
#define AK4396_DFS_MASK		0x18
#define AK4396_DFS_NORMAL	0x00
#define AK4396_DFS_DOUBLE	0x08
#define AK4396_DFS_QUAD		0x10
#define AK4396_SLOW		0x20
#define AK4396_DZFM		0x40
#define AK4396_DZFE		0x80
/* control 3 */
#define AK4396_DZFB		0x04
#define AK4396_DCKB		0x10
#define AK4396_DCKS		0x20
#define AK4396_DSDM		0x40
#define AK4396_D_P_MASK		0x80
#define AK4396_PCM		0x00
#define AK4396_DSD		0x80

#define WM8785_R0	0
#define WM8785_R1	1
#define WM8785_R2	2
#define WM8785_R7	7

/* R0 */
#define WM8785_MCR_MASK		0x007
#define WM8785_MCR_SLAVE	0x000
#define WM8785_MCR_MASTER_128	0x001
#define WM8785_MCR_MASTER_192	0x002
#define WM8785_MCR_MASTER_256	0x003
#define WM8785_MCR_MASTER_384	0x004
#define WM8785_MCR_MASTER_512	0x005
#define WM8785_MCR_MASTER_768	0x006
#define WM8785_OSR_MASK		0x018
#define WM8785_OSR_SINGLE	0x000
#define WM8785_OSR_DOUBLE	0x008
#define WM8785_OSR_QUAD		0x010
#define WM8785_FORMAT_MASK	0x060
#define WM8785_FORMAT_RJUST	0x000
#define WM8785_FORMAT_LJUST	0x020
#define WM8785_FORMAT_I2S	0x040
#define WM8785_FORMAT_DSP	0x060
/* R1 */
#define WM8785_WL_MASK		0x003
#define WM8785_WL_16		0x000
#define WM8785_WL_20		0x001
#define WM8785_WL_24		0x002
#define WM8785_WL_32		0x003
#define WM8785_LRP		0x004
#define WM8785_BCLKINV		0x008
#define WM8785_LRSWAP		0x010
#define WM8785_DEVNO_MASK	0x0e0
/* R2 */
#define WM8785_HPFR		0x001
#define WM8785_HPFL		0x002
#define WM8785_SDODIS		0x004
#define WM8785_PWRDNR		0x008
#define WM8785_PWRDNL		0x010
#define WM8785_TDM_MASK		0x1c0

struct generic_data {
	u8 ak4396_ctl2;
};

static void ak4396_write(struct oxygen *chip, unsigned int codec,
			 u8 reg, u8 value)
{
	/* maps ALSA channel pair number to SPI output */
	static const u8 codec_spi_map[4] = {
		0, 1, 2, 4
	};
	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
			 OXYGEN_SPI_DATA_LENGTH_2 |
			 OXYGEN_SPI_CLOCK_320 |
			 (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
			 AK4396_WRITE | (reg << 8) | value);
}

static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
{
	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
			 OXYGEN_SPI_DATA_LENGTH_2 |
			 OXYGEN_SPI_CLOCK_320 |
			 (3 << OXYGEN_SPI_CODEC_SHIFT) |
			 OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
			 (reg << 9) | value);
}

static void ak4396_init(struct oxygen *chip)
{
	struct generic_data *data = chip->model_data;
	unsigned int i;

	data->ak4396_ctl2 = AK4396_DEM_OFF | AK4396_DFS_NORMAL;
	for (i = 0; i < 4; ++i) {
		ak4396_write(chip, i,
			     AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
		ak4396_write(chip, i,
			     AK4396_CONTROL_2, data->ak4396_ctl2);
		ak4396_write(chip, i,
			     AK4396_CONTROL_3, AK4396_PCM);
		ak4396_write(chip, i, AK4396_LCH_ATT, 0xff);
		ak4396_write(chip, i, AK4396_RCH_ATT, 0xff);
	}
	snd_component_add(chip->card, "AK4396");
}

static void ak5385_init(struct oxygen *chip)
{
	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
	snd_component_add(chip->card, "AK5385");
}

static void wm8785_init(struct oxygen *chip)
{
	wm8785_write(chip, WM8785_R7, 0);
	wm8785_write(chip, WM8785_R0, WM8785_MCR_SLAVE |
		     WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST);
	wm8785_write(chip, WM8785_R1, WM8785_WL_24);
	snd_component_add(chip->card, "WM8785");
}

static void generic_init(struct oxygen *chip)
{
	ak4396_init(chip);
	wm8785_init(chip);
}

static void meridian_init(struct oxygen *chip)
{
	ak4396_init(chip);
	ak5385_init(chip);
}

static void generic_cleanup(struct oxygen *chip)
{
}

static void set_ak4396_params(struct oxygen *chip,
			      struct snd_pcm_hw_params *params)
{
	struct generic_data *data = chip->model_data;
	unsigned int i;
	u8 value;

	value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
	if (params_rate(params) <= 54000)
		value |= AK4396_DFS_NORMAL;
	else if (params_rate(params) < 120000)
		value |= AK4396_DFS_DOUBLE;
	else
		value |= AK4396_DFS_QUAD;
	data->ak4396_ctl2 = value;
	for (i = 0; i < 4; ++i) {
		ak4396_write(chip, i,
			     AK4396_CONTROL_1, AK4396_DIF_24_MSB);
		ak4396_write(chip, i,
			     AK4396_CONTROL_2, value);
		ak4396_write(chip, i,
			     AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
	}
}

static void update_ak4396_volume(struct oxygen *chip)
{
	unsigned int i;

	for (i = 0; i < 4; ++i) {
		ak4396_write(chip, i,
			     AK4396_LCH_ATT, chip->dac_volume[i * 2]);
		ak4396_write(chip, i,
			     AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]);
	}
}

static void update_ak4396_mute(struct oxygen *chip)
{
	struct generic_data *data = chip->model_data;
	unsigned int i;
	u8 value;

	value = data->ak4396_ctl2 & ~AK4396_SMUTE;
	if (chip->dac_mute)
		value |= AK4396_SMUTE;
	data->ak4396_ctl2 = value;
	for (i = 0; i < 4; ++i)
		ak4396_write(chip, i, AK4396_CONTROL_2, value);
}

static void set_wm8785_params(struct oxygen *chip,
			      struct snd_pcm_hw_params *params)
{
	unsigned int value;

	wm8785_write(chip, WM8785_R7, 0);

	value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST;
	if (params_rate(params) <= 48000)
		value |= WM8785_OSR_SINGLE;
	else if (params_rate(params) <= 96000)
		value |= WM8785_OSR_DOUBLE;
	else
		value |= WM8785_OSR_QUAD;
	wm8785_write(chip, WM8785_R0, value);

	if (snd_pcm_format_width(params_format(params)) <= 16)
		value = WM8785_WL_16;
	else
		value = WM8785_WL_24;
	wm8785_write(chip, WM8785_R1, value);
}

static void set_ak5385_params(struct oxygen *chip,
			      struct snd_pcm_hw_params *params)
{
	unsigned int value;

	if (params_rate(params) <= 54000)
		value = GPIO_AK5385_DFS_NORMAL;
	else if (params_rate(params) <= 108000)
		value = GPIO_AK5385_DFS_DOUBLE;
	else
		value = GPIO_AK5385_DFS_QUAD;
	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
			      value, GPIO_AK5385_DFS_MASK);
}

static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);

static int ak4396_control_filter(struct snd_kcontrol_new *template)
{
	if (!strcmp(template->name, "Master Playback Volume")) {
		template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
		template->tlv.p = ak4396_db_scale;
	}
	return 0;
}

static const struct oxygen_model model_generic = {
	.shortname = "C-Media CMI8788",
	.longname = "C-Media Oxygen HD Audio",
	.chip = "CMI8788",
	.owner = THIS_MODULE,
	.init = generic_init,
	.control_filter = ak4396_control_filter,
	.cleanup = generic_cleanup,
	.set_dac_params = set_ak4396_params,
	.set_adc_params = set_wm8785_params,
	.update_dac_volume = update_ak4396_volume,
	.update_dac_mute = update_ak4396_mute,
	.model_data_size = sizeof(struct generic_data),
	.dac_channels = 8,
	.used_channels = OXYGEN_CHANNEL_A |
			 OXYGEN_CHANNEL_C |
			 OXYGEN_CHANNEL_SPDIF |
			 OXYGEN_CHANNEL_MULTICH |
			 OXYGEN_CHANNEL_AC97,
	.function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};
static const struct oxygen_model model_meridian = {
	.shortname = "C-Media CMI8788",
	.longname = "C-Media Oxygen HD Audio",
	.chip = "CMI8788",
	.owner = THIS_MODULE,
	.init = meridian_init,
	.control_filter = ak4396_control_filter,
	.cleanup = generic_cleanup,
	.set_dac_params = set_ak4396_params,
	.set_adc_params = set_ak5385_params,
	.update_dac_volume = update_ak4396_volume,
	.update_dac_mute = update_ak4396_mute,
	.model_data_size = sizeof(struct generic_data),
	.dac_channels = 8,
	.used_channels = OXYGEN_CHANNEL_B |
			 OXYGEN_CHANNEL_C |
			 OXYGEN_CHANNEL_SPDIF |
			 OXYGEN_CHANNEL_MULTICH |
			 OXYGEN_CHANNEL_AC97,
	.function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

static int __devinit generic_oxygen_probe(struct pci_dev *pci,
					  const struct pci_device_id *pci_id)
{
	static int dev;
	int is_meridian;
	int err;

	if (dev >= SNDRV_CARDS)
		return -ENODEV;
	if (!enable[dev]) {
		++dev;
		return -ENOENT;
	}
	is_meridian = pci_id->driver_data;
	err = oxygen_pci_probe(pci, index[dev], id[dev], is_meridian,
			       is_meridian ? &model_meridian : &model_generic);
	if (err >= 0)
		++dev;
	return err;
}

static struct pci_driver oxygen_driver = {
	.name = "CMI8788",
	.id_table = oxygen_ids,
	.probe = generic_oxygen_probe,
	.remove = __devexit_p(oxygen_pci_remove),
};

static int __init alsa_card_oxygen_init(void)
{
	return pci_register_driver(&oxygen_driver);
}

static void __exit alsa_card_oxygen_exit(void)
{
	pci_unregister_driver(&oxygen_driver);
}

module_init(alsa_card_oxygen_init)
module_exit(alsa_card_oxygen_exit)