Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
  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
450
451
/*
 * card driver for models with CS4398/CS4362A DACs (Xonar D1/DX)
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

/*
 * Xonar D1/DX
 * -----------
 *
 * CMI8788:
 *
 *   I²C <-> CS4398 (addr 1001111) (front)
 *       <-> CS4362A (addr 0011000) (surround, center/LFE, back)
 *
 *   GPI 0 <- external power present (DX only)
 *
 *   GPIO 0 -> enable output to speakers
 *   GPIO 1 -> route output to front panel
 *   GPIO 2 -> M0 of CS5361
 *   GPIO 3 -> M1 of CS5361
 *   GPIO 6 -> ?
 *   GPIO 7 -> ?
 *   GPIO 8 -> route input jack to line-in (0) or mic-in (1)
 *
 * CM9780:
 *
 *   LINE_OUT -> input of ADC
 *
 *   AUX_IN  <- aux
 *   MIC_IN  <- mic
 *   FMIC_IN <- front mic
 *
 *   GPO 0 -> route line-in (0) or AC97 output (1) to CS5361 input
 */

#include <linux/pci.h>
#include <linux/delay.h>
#include <sound/ac97_codec.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include "xonar.h"
#include "cm9780.h"
#include "cs4398.h"
#include "cs4362a.h"

#define GPI_EXT_POWER		0x01
#define GPIO_D1_OUTPUT_ENABLE	0x0001
#define GPIO_D1_FRONT_PANEL	0x0002
#define GPIO_D1_MAGIC		0x00c0
#define GPIO_D1_INPUT_ROUTE	0x0100

#define I2C_DEVICE_CS4398	0x9e	/* 10011, AD1=1, AD0=1, /W=0 */
#define I2C_DEVICE_CS4362A	0x30	/* 001100, AD0=0, /W=0 */

struct xonar_cs43xx {
	struct xonar_generic generic;
	u8 cs4398_regs[8];
	u8 cs4362a_regs[15];
};

static void cs4398_write(struct oxygen *chip, u8 reg, u8 value)
{
	struct xonar_cs43xx *data = chip->model_data;

	oxygen_write_i2c(chip, I2C_DEVICE_CS4398, reg, value);
	if (reg < ARRAY_SIZE(data->cs4398_regs))
		data->cs4398_regs[reg] = value;
}

static void cs4398_write_cached(struct oxygen *chip, u8 reg, u8 value)
{
	struct xonar_cs43xx *data = chip->model_data;

	if (value != data->cs4398_regs[reg])
		cs4398_write(chip, reg, value);
}

static void cs4362a_write(struct oxygen *chip, u8 reg, u8 value)
{
	struct xonar_cs43xx *data = chip->model_data;

	oxygen_write_i2c(chip, I2C_DEVICE_CS4362A, reg, value);
	if (reg < ARRAY_SIZE(data->cs4362a_regs))
		data->cs4362a_regs[reg] = value;
}

static void cs4362a_write_cached(struct oxygen *chip, u8 reg, u8 value)
{
	struct xonar_cs43xx *data = chip->model_data;

	if (value != data->cs4362a_regs[reg])
		cs4362a_write(chip, reg, value);
}

static void cs43xx_registers_init(struct oxygen *chip)
{
	struct xonar_cs43xx *data = chip->model_data;
	unsigned int i;

	/* set CPEN (control port mode) and power down */
	cs4398_write(chip, 8, CS4398_CPEN | CS4398_PDN);
	cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
	/* configure */
	cs4398_write(chip, 2, data->cs4398_regs[2]);
	cs4398_write(chip, 3, CS4398_ATAPI_B_R | CS4398_ATAPI_A_L);
	cs4398_write(chip, 4, data->cs4398_regs[4]);
	cs4398_write(chip, 5, data->cs4398_regs[5]);
	cs4398_write(chip, 6, data->cs4398_regs[6]);
	cs4398_write(chip, 7, data->cs4398_regs[7]);
	cs4362a_write(chip, 0x02, CS4362A_DIF_LJUST);
	cs4362a_write(chip, 0x03, CS4362A_MUTEC_6 | CS4362A_AMUTE |
		      CS4362A_RMP_UP | CS4362A_ZERO_CROSS | CS4362A_SOFT_RAMP);
	cs4362a_write(chip, 0x04, data->cs4362a_regs[0x04]);
	cs4362a_write(chip, 0x05, 0);
	for (i = 6; i <= 14; ++i)
		cs4362a_write(chip, i, data->cs4362a_regs[i]);
	/* clear power down */
	cs4398_write(chip, 8, CS4398_CPEN);
	cs4362a_write(chip, 0x01, CS4362A_CPEN);
}

static void xonar_d1_init(struct oxygen *chip)
{
	struct xonar_cs43xx *data = chip->model_data;

	data->generic.anti_pop_delay = 800;
	data->generic.output_enable_bit = GPIO_D1_OUTPUT_ENABLE;
	data->cs4398_regs[2] =
		CS4398_FM_SINGLE | CS4398_DEM_NONE | CS4398_DIF_LJUST;
	data->cs4398_regs[4] = CS4398_MUTEP_LOW |
		CS4398_MUTE_B | CS4398_MUTE_A | CS4398_PAMUTE;
	data->cs4398_regs[5] = 60 * 2;
	data->cs4398_regs[6] = 60 * 2;
	data->cs4398_regs[7] = CS4398_RMP_DN | CS4398_RMP_UP |
		CS4398_ZERO_CROSS | CS4398_SOFT_RAMP;
	data->cs4362a_regs[4] = CS4362A_RMP_DN | CS4362A_DEM_NONE;
	data->cs4362a_regs[6] = CS4362A_FM_SINGLE |
		CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
	data->cs4362a_regs[7] = 60 | CS4362A_MUTE;
	data->cs4362a_regs[8] = 60 | CS4362A_MUTE;
	data->cs4362a_regs[9] = data->cs4362a_regs[6];
	data->cs4362a_regs[10] = 60 | CS4362A_MUTE;
	data->cs4362a_regs[11] = 60 | CS4362A_MUTE;
	data->cs4362a_regs[12] = data->cs4362a_regs[6];
	data->cs4362a_regs[13] = 60 | CS4362A_MUTE;
	data->cs4362a_regs[14] = 60 | CS4362A_MUTE;

	oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
		       OXYGEN_2WIRE_LENGTH_8 |
		       OXYGEN_2WIRE_INTERRUPT_MASK |
		       OXYGEN_2WIRE_SPEED_FAST);

	cs43xx_registers_init(chip);

	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
			  GPIO_D1_FRONT_PANEL |
			  GPIO_D1_MAGIC |
			  GPIO_D1_INPUT_ROUTE);
	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
			    GPIO_D1_FRONT_PANEL | GPIO_D1_INPUT_ROUTE);

	xonar_init_cs53x1(chip);
	xonar_enable_output(chip);

	snd_component_add(chip->card, "CS4398");
	snd_component_add(chip->card, "CS4362A");
	snd_component_add(chip->card, "CS5361");
}

static void xonar_dx_init(struct oxygen *chip)
{
	struct xonar_cs43xx *data = chip->model_data;

	data->generic.ext_power_reg = OXYGEN_GPI_DATA;
	data->generic.ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
	data->generic.ext_power_bit = GPI_EXT_POWER;
	xonar_init_ext_power(chip);
	xonar_d1_init(chip);
}

static void xonar_d1_cleanup(struct oxygen *chip)
{
	xonar_disable_output(chip);
	cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
	oxygen_clear_bits8(chip, OXYGEN_FUNCTION, OXYGEN_FUNCTION_RESET_CODEC);
}

static void xonar_d1_suspend(struct oxygen *chip)
{
	xonar_d1_cleanup(chip);
}

static void xonar_d1_resume(struct oxygen *chip)
{
	oxygen_set_bits8(chip, OXYGEN_FUNCTION, OXYGEN_FUNCTION_RESET_CODEC);
	msleep(1);
	cs43xx_registers_init(chip);
	xonar_enable_output(chip);
}

static void set_cs43xx_params(struct oxygen *chip,
			      struct snd_pcm_hw_params *params)
{
	struct xonar_cs43xx *data = chip->model_data;
	u8 cs4398_fm, cs4362a_fm;

	if (params_rate(params) <= 50000) {
		cs4398_fm = CS4398_FM_SINGLE;
		cs4362a_fm = CS4362A_FM_SINGLE;
	} else if (params_rate(params) <= 100000) {
		cs4398_fm = CS4398_FM_DOUBLE;
		cs4362a_fm = CS4362A_FM_DOUBLE;
	} else {
		cs4398_fm = CS4398_FM_QUAD;
		cs4362a_fm = CS4362A_FM_QUAD;
	}
	cs4398_fm |= CS4398_DEM_NONE | CS4398_DIF_LJUST;
	cs4398_write_cached(chip, 2, cs4398_fm);
	cs4362a_fm |= data->cs4362a_regs[6] & ~CS4362A_FM_MASK;
	cs4362a_write_cached(chip, 6, cs4362a_fm);
	cs4362a_write_cached(chip, 12, cs4362a_fm);
	cs4362a_fm &= CS4362A_FM_MASK;
	cs4362a_fm |= data->cs4362a_regs[9] & ~CS4362A_FM_MASK;
	cs4362a_write_cached(chip, 9, cs4362a_fm);
}

static void update_cs4362a_volumes(struct oxygen *chip)
{
	unsigned int i;
	u8 mute;

	mute = chip->dac_mute ? CS4362A_MUTE : 0;
	for (i = 0; i < 6; ++i)
		cs4362a_write_cached(chip, 7 + i + i / 2,
				     (127 - chip->dac_volume[2 + i]) | mute);
}

static void update_cs43xx_volume(struct oxygen *chip)
{
	cs4398_write_cached(chip, 5, (127 - chip->dac_volume[0]) * 2);
	cs4398_write_cached(chip, 6, (127 - chip->dac_volume[1]) * 2);
	update_cs4362a_volumes(chip);
}

static void update_cs43xx_mute(struct oxygen *chip)
{
	u8 reg;

	reg = CS4398_MUTEP_LOW | CS4398_PAMUTE;
	if (chip->dac_mute)
		reg |= CS4398_MUTE_B | CS4398_MUTE_A;
	cs4398_write_cached(chip, 4, reg);
	update_cs4362a_volumes(chip);
}

static void update_cs43xx_center_lfe_mix(struct oxygen *chip, bool mixed)
{
	struct xonar_cs43xx *data = chip->model_data;
	u8 reg;

	reg = data->cs4362a_regs[9] & ~CS4362A_ATAPI_MASK;
	if (mixed)
		reg |= CS4362A_ATAPI_B_LR | CS4362A_ATAPI_A_LR;
	else
		reg |= CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
	cs4362a_write_cached(chip, 9, reg);
}

static const struct snd_kcontrol_new front_panel_switch = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Front Panel Playback Switch",
	.info = snd_ctl_boolean_mono_info,
	.get = xonar_gpio_bit_switch_get,
	.put = xonar_gpio_bit_switch_put,
	.private_value = GPIO_D1_FRONT_PANEL,
};

static int rolloff_info(struct snd_kcontrol *ctl,
			struct snd_ctl_elem_info *info)
{
	static const char *const names[2] = {
		"Fast Roll-off", "Slow Roll-off"
	};

	return snd_ctl_enum_info(info, 1, 2, names);
}

static int rolloff_get(struct snd_kcontrol *ctl,
		       struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct xonar_cs43xx *data = chip->model_data;

	value->value.enumerated.item[0] =
		(data->cs4398_regs[7] & CS4398_FILT_SEL) != 0;
	return 0;
}

static int rolloff_put(struct snd_kcontrol *ctl,
		       struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct xonar_cs43xx *data = chip->model_data;
	int changed;
	u8 reg;

	mutex_lock(&chip->mutex);
	reg = data->cs4398_regs[7];
	if (value->value.enumerated.item[0])
		reg |= CS4398_FILT_SEL;
	else
		reg &= ~CS4398_FILT_SEL;
	changed = reg != data->cs4398_regs[7];
	if (changed) {
		cs4398_write(chip, 7, reg);
		if (reg & CS4398_FILT_SEL)
			reg = data->cs4362a_regs[0x04] | CS4362A_FILT_SEL;
		else
			reg = data->cs4362a_regs[0x04] & ~CS4362A_FILT_SEL;
		cs4362a_write(chip, 0x04, reg);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

static const struct snd_kcontrol_new rolloff_control = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "DAC Filter Playback Enum",
	.info = rolloff_info,
	.get = rolloff_get,
	.put = rolloff_put,
};

static void xonar_d1_line_mic_ac97_switch(struct oxygen *chip,
					  unsigned int reg, unsigned int mute)
{
	if (reg == AC97_LINE) {
		spin_lock_irq(&chip->reg_lock);
		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
				      mute ? GPIO_D1_INPUT_ROUTE : 0,
				      GPIO_D1_INPUT_ROUTE);
		spin_unlock_irq(&chip->reg_lock);
	}
}

static const DECLARE_TLV_DB_SCALE(cs4362a_db_scale, -6000, 100, 0);

static int xonar_d1_mixer_init(struct oxygen *chip)
{
	int err;

	err = snd_ctl_add(chip->card, snd_ctl_new1(&front_panel_switch, chip));
	if (err < 0)
		return err;
	err = snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip));
	if (err < 0)
		return err;
	return 0;
}

static void dump_cs4362a_registers(struct xonar_cs43xx *data,
				   struct snd_info_buffer *buffer)
{
	unsigned int i;

	snd_iprintf(buffer, "\nCS4362A:");
	for (i = 1; i <= 14; ++i)
		snd_iprintf(buffer, " %02x", data->cs4362a_regs[i]);
	snd_iprintf(buffer, "\n");
}

static void dump_d1_registers(struct oxygen *chip,
			      struct snd_info_buffer *buffer)
{
	struct xonar_cs43xx *data = chip->model_data;
	unsigned int i;

	snd_iprintf(buffer, "\nCS4398: 7?");
	for (i = 2; i < 8; ++i)
		snd_iprintf(buffer, " %02x", data->cs4398_regs[i]);
	snd_iprintf(buffer, "\n");
	dump_cs4362a_registers(data, buffer);
}

static const struct oxygen_model model_xonar_d1 = {
	.longname = "Asus Virtuoso 100",
	.chip = "AV200",
	.init = xonar_d1_init,
	.mixer_init = xonar_d1_mixer_init,
	.cleanup = xonar_d1_cleanup,
	.suspend = xonar_d1_suspend,
	.resume = xonar_d1_resume,
	.set_dac_params = set_cs43xx_params,
	.set_adc_params = xonar_set_cs53x1_params,
	.update_dac_volume = update_cs43xx_volume,
	.update_dac_mute = update_cs43xx_mute,
	.update_center_lfe_mix = update_cs43xx_center_lfe_mix,
	.ac97_switch = xonar_d1_line_mic_ac97_switch,
	.dump_registers = dump_d1_registers,
	.dac_tlv = cs4362a_db_scale,
	.model_data_size = sizeof(struct xonar_cs43xx),
	.device_config = PLAYBACK_0_TO_I2S |
			 PLAYBACK_1_TO_SPDIF |
			 CAPTURE_0_FROM_I2S_2 |
			 AC97_FMIC_SWITCH,
	.dac_channels_pcm = 8,
	.dac_channels_mixer = 8,
	.dac_volume_min = 127 - 60,
	.dac_volume_max = 127,
	.function_flags = OXYGEN_FUNCTION_2WIRE,
	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
	.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

int __devinit get_xonar_cs43xx_model(struct oxygen *chip,
				     const struct pci_device_id *id)
{
	switch (id->subdevice) {
	case 0x834f:
		chip->model = model_xonar_d1;
		chip->model.shortname = "Xonar D1";
		break;
	case 0x8275:
	case 0x8327:
		chip->model = model_xonar_d1;
		chip->model.shortname = "Xonar DX";
		chip->model.init = xonar_dx_init;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}