aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/oxygen/virtuoso.c
blob: 40e92f5cd69c760111073cfe8e8a9c60e1f00cce (plain) (blame)
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
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
/*
 * C-Media CMI8788 driver for Asus Xonar cards
 *
 * 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
 */

/*
 * CMI8788:
 *
 * SPI 0 -> 1st PCM1796 (front)
 * SPI 1 -> 2nd PCM1796 (surround)
 * SPI 2 -> 3rd PCM1796 (center/LFE)
 * SPI 4 -> 4th PCM1796 (back)
 *
 * GPIO 2 -> M0 of CS5381
 * GPIO 3 -> M1 of CS5381
 * GPIO 5 <- external power present (D2X only)
 * GPIO 7 -> ALT
 * GPIO 8 -> enable output to speakers
 *
 * CM9780:
 *
 * GPIO 0 -> enable AC'97 bypass (line in -> ADC)
 */

#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <sound/ac97_codec.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
#include "oxygen.h"
#include "cm9780.h"

MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
MODULE_DESCRIPTION("Asus AV200 driver");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Asus,AV200}}");

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 xonar_ids[] __devinitdata = {
	{ OXYGEN_PCI_SUBID(0x1043, 0x8269) }, /* Asus Xonar D2 */
	{ OXYGEN_PCI_SUBID(0x1043, 0x82b7) }, /* Asus Xonar D2X */
	{ }
};
MODULE_DEVICE_TABLE(pci, xonar_ids);


#define GPIO_CS5381_M_MASK	0x000c
#define GPIO_CS5381_M_SINGLE	0x0000
#define GPIO_CS5381_M_DOUBLE	0x0004
#define GPIO_CS5381_M_QUAD	0x0008
#define GPIO_EXT_POWER		0x0020
#define GPIO_ALT		0x0080
#define GPIO_OUTPUT_ENABLE	0x0100

#define GPIO_LINE_MUTE		CM9780_GPO0

/* register 16 */
#define PCM1796_ATL_MASK	0xff
/* register 17 */
#define PCM1796_ATR_MASK	0xff
/* register 18 */
#define PCM1796_MUTE		0x01
#define PCM1796_DME		0x02
#define PCM1796_DMF_MASK	0x0c
#define PCM1796_DMF_DISABLED	0x00
#define PCM1796_DMF_48		0x04
#define PCM1796_DMF_441		0x08
#define PCM1796_DMF_32		0x0c
#define PCM1796_FMT_MASK	0x70
#define PCM1796_FMT_16_RJUST	0x00
#define PCM1796_FMT_20_RJUST	0x10
#define PCM1796_FMT_24_RJUST	0x20
#define PCM1796_FMT_24_LJUST	0x30
#define PCM1796_FMT_16_I2S	0x40
#define PCM1796_FMT_24_I2S	0x50
#define PCM1796_ATLD		0x80
/* register 19 */
#define PCM1796_INZD		0x01
#define PCM1796_FLT_MASK	0x02
#define PCM1796_FLT_SHARP	0x00
#define PCM1796_FLT_SLOW	0x02
#define PCM1796_DFMS		0x04
#define PCM1796_OPE		0x10
#define PCM1796_ATS_MASK	0x60
#define PCM1796_ATS_1		0x00
#define PCM1796_ATS_2		0x20
#define PCM1796_ATS_4		0x40
#define PCM1796_ATS_8		0x60
#define PCM1796_REV		0x80
/* register 20 */
#define PCM1796_OS_MASK		0x03
#define PCM1796_OS_64		0x00
#define PCM1796_OS_32		0x01
#define PCM1796_OS_128		0x02
#define PCM1796_CHSL_MASK	0x04
#define PCM1796_CHSL_LEFT	0x00
#define PCM1796_CHSL_RIGHT	0x04
#define PCM1796_MONO		0x08
#define PCM1796_DFTH		0x10
#define PCM1796_DSD		0x20
#define PCM1796_SRST		0x40
/* register 21 */
#define PCM1796_PCMZ		0x01
#define PCM1796_DZ_MASK		0x06
/* register 22 */
#define PCM1796_ZFGL		0x01
#define PCM1796_ZFGR		0x02
/* register 23 */
#define PCM1796_ID_MASK		0x1f

struct xonar_data {
	u8 is_d2x;
	u8 has_power;
};

static void pcm1796_write(struct oxygen *chip, unsigned int codec,
			  u8 reg, u8 value)
{
	/* maps ALSA channel pair number to SPI output */
	static const u8 codec_map[4] = {
		0, 1, 2, 4
	};
	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
			 OXYGEN_SPI_DATA_LENGTH_2 |
			 OXYGEN_SPI_CLOCK_160 |
			 (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
			 (reg << 8) | value);
}

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

	data->is_d2x = chip->pci->subsystem_device == 0x82b7;

	for (i = 0; i < 4; ++i) {
		pcm1796_write(chip, i, 18, PCM1796_FMT_24_LJUST | PCM1796_ATLD);
		pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1);
		pcm1796_write(chip, i, 20, PCM1796_OS_64);
		pcm1796_write(chip, i, 21, 0);
		pcm1796_write(chip, i, 16, 0xff); /* set ATL/ATR after ATLD */
		pcm1796_write(chip, i, 17, 0xff);
	}

	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
			  GPIO_CS5381_M_MASK | GPIO_ALT);
	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
			      GPIO_CS5381_M_SINGLE,
			      GPIO_CS5381_M_MASK | GPIO_ALT);
	if (data->is_d2x) {
		oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
				    GPIO_EXT_POWER);
		oxygen_set_bits16(chip, OXYGEN_GPIO_INTERRUPT_MASK,
				  GPIO_EXT_POWER);
		chip->interrupt_mask |= OXYGEN_INT_GPIO;
		data->has_power = !!(oxygen_read16(chip, OXYGEN_GPIO_DATA)
				     & GPIO_EXT_POWER);
	}
	oxygen_ac97_set_bits(chip, 0, CM9780_JACK, CM9780_FMIC2MIC);
	oxygen_ac97_clear_bits(chip, 0, CM9780_GPIO_STATUS, GPIO_LINE_MUTE);
	msleep(300);
	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_OUTPUT_ENABLE);
	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);

	snd_component_add(chip->card, "PCM1796");
	snd_component_add(chip->card, "CS5381");
}

static void xonar_cleanup(struct oxygen *chip)
{
	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
}

static void set_pcm1796_params(struct oxygen *chip,
			       struct snd_pcm_hw_params *params)
{
#if 0
	unsigned int i;
	u8 value;

	value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
	for (i = 0; i < 4; ++i)
		pcm1796_write(chip, i, 20, value);
#endif
}

static void update_pcm1796_volume(struct oxygen *chip)
{
	unsigned int i;

	for (i = 0; i < 4; ++i) {
		pcm1796_write(chip, i, 16, chip->dac_volume[i * 2]);
		pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1]);
	}
}

static void update_pcm1796_mute(struct oxygen *chip)
{
	unsigned int i;
	u8 value;

	value = PCM1796_FMT_24_LJUST | PCM1796_ATLD;
	if (chip->dac_mute)
		value |= PCM1796_MUTE;
	for (i = 0; i < 4; ++i)
		pcm1796_write(chip, i, 18, value);
}

static void set_cs5381_params(struct oxygen *chip,
			      struct snd_pcm_hw_params *params)
{
	unsigned int value;

	if (params_rate(params) <= 54000)
		value = GPIO_CS5381_M_SINGLE;
	else if (params_rate(params) <= 108000)
		value = GPIO_CS5381_M_DOUBLE;
	else
		value = GPIO_CS5381_M_QUAD;
	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
			      value, GPIO_CS5381_M_MASK);
}

static void xonar_gpio_changed(struct oxygen *chip)
{
	struct xonar_data *data = chip->model_data;
	u8 has_power;

	if (!data->is_d2x)
		return;
	has_power = !!(oxygen_read16(chip, OXYGEN_GPIO_DATA)
		       & GPIO_EXT_POWER);
	if (has_power != data->has_power) {
		data->has_power = has_power;
		if (has_power) {
			snd_printk(KERN_NOTICE "power restored\n");
		} else {
			snd_printk(KERN_CRIT
				   "Hey! Don't unplug the power cable!\n");
			/* TODO: stop PCMs */
		}
	}
}

static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
{
	unsigned int index = chip->controls[control]->private_value & 0xff;
	u16 value;

	value = oxygen_read_ac97(chip, 0, index);
	if (!(value & 0x8000)) {
		oxygen_write_ac97(chip, 0, index, value | 0x8000);
		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
			       &chip->controls[control]->id);
	}
}

static void xonar_ac97_switch_hook(struct oxygen *chip, unsigned int codec,
				   unsigned int reg, int mute)
{
	if (codec != 0)
		return;
	/* line-in is exclusive */
	switch (reg) {
	case AC97_LINE:
		oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
					 mute ? GPIO_LINE_MUTE : 0,
					 GPIO_LINE_MUTE);
		if (!mute) {
			mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
			mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
			mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
		}
		break;
	case AC97_MIC:
	case AC97_CD:
	case AC97_VIDEO:
	case AC97_AUX:
		if (!mute) {
			oxygen_ac97_set_bits(chip, 0, CM9780_GPIO_STATUS,
					     GPIO_LINE_MUTE);
			mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
		}
		break;
	}
}

static int pcm1796_volume_info(struct snd_kcontrol *ctl,
			       struct snd_ctl_elem_info *info)
{
	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	info->count = 8;
	info->value.integer.min = 0x0f;
	info->value.integer.max = 0xff;
	return 0;
}

static int alt_switch_get(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;

	value->value.integer.value[0] =
		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_ALT);
	return 0;
}

static int alt_switch_put(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	u16 old_bits, new_bits;
	int changed;

	spin_lock_irq(&chip->reg_lock);
	old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
	if (value->value.integer.value[0])
		new_bits = old_bits | GPIO_ALT;
	else
		new_bits = old_bits & ~GPIO_ALT;
	changed = new_bits != old_bits;
	if (changed)
		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
	spin_unlock_irq(&chip->reg_lock);
	return changed;
}

static const struct snd_kcontrol_new alt_switch = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Analog Loopback Switch",
	.info = snd_ctl_boolean_mono_info,
	.get = alt_switch_get,
	.put = alt_switch_put,
};

static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);

static int xonar_control_filter(struct snd_kcontrol_new *template)
{
	if (!strcmp(template->name, "Master Playback Volume")) {
		template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
		template->info = pcm1796_volume_info,
		template->tlv.p = pcm1796_db_scale;
	} else if (!strncmp(template->name, "CD Capture ", 11)) {
		/* CD in is actually connected to the video in pin */
		template->private_value ^= AC97_CD ^ AC97_VIDEO;
	} else if (!strcmp(template->name, "Line Capture Volume")) {
		return 1; /* line-in bypasses the AC'97 mixer */
	}
	return 0;
}

static int xonar_mixer_init(struct oxygen *chip)
{
	return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
}

static const struct oxygen_model model_xonar = {
	.shortname = "Asus AV200",
	.longname = "Asus Virtuoso 200",
	.chip = "AV200",
	.init = xonar_init,
	.control_filter = xonar_control_filter,
	.mixer_init = xonar_mixer_init,
	.cleanup = xonar_cleanup,
	.set_dac_params = set_pcm1796_params,
	.set_adc_params = set_cs5381_params,
	.update_dac_volume = update_pcm1796_volume,
	.update_dac_mute = update_pcm1796_mute,
	.ac97_switch_hook = xonar_ac97_switch_hook,
	.gpio_changed = xonar_gpio_changed,
	.model_data_size = sizeof(struct xonar_data),
	.dac_channels = 8,
	.used_channels = OXYGEN_CHANNEL_B |
			 OXYGEN_CHANNEL_C |
			 OXYGEN_CHANNEL_SPDIF |
			 OXYGEN_CHANNEL_MULTICH,
	.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 xonar_probe(struct pci_dev *pci,
				 const struct pci_device_id *pci_id)
{
	static int dev;
	int err;

	if (dev >= SNDRV_CARDS)
		return -ENODEV;
	if (!enable[dev]) {
		++dev;
		return -ENOENT;
	}
	err = oxygen_pci_probe(pci, index[dev], id[dev], 1, &model_xonar);
	if (err >= 0)
		++dev;
	return err;
}

static struct pci_driver xonar_driver = {
	.name = "AV200",
	.id_table = xonar_ids,
	.probe = xonar_probe,
	.remove = __devexit_p(oxygen_pci_remove),
};

static int __init alsa_card_xonar_init(void)
{
	return pci_register_driver(&xonar_driver);
}

static void __exit alsa_card_xonar_exit(void)
{
	pci_unregister_driver(&xonar_driver);
}

module_init(alsa_card_xonar_init)
module_exit(alsa_card_xonar_exit)