xref: /openbmc/linux/sound/pci/ice1712/phase.c (revision 275876e2)
1 /*
2  *   ALSA driver for ICEnsemble ICE1724 (Envy24)
3  *
4  *   Lowlevel functions for Terratec PHASE 22
5  *
6  *	Copyright (c) 2005 Misha Zhilin <misha@epiphan.com>
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *
22  */
23 
24 /* PHASE 22 overview:
25  *   Audio controller: VIA Envy24HT-S (slightly trimmed down Envy24HT, 4in/4out)
26  *   Analog chip: AK4524 (partially via Philip's 74HCT125)
27  *   Digital receiver: CS8414-CS (supported in this release)
28  *		PHASE 22 revision 2.0 and Terrasoniq/Musonik TS22PCI have CS8416
29  *		(support status unknown, please test and report)
30  *
31  *   Envy connects to AK4524
32  *	- CS directly from GPIO 10
33  *	- CCLK via 74HCT125's gate #4 from GPIO 4
34  *	- CDTI via 74HCT125's gate #2 from GPIO 5
35  *		CDTI may be completely blocked by 74HCT125's gate #1
36  *		controlled by GPIO 3
37  */
38 
39 /* PHASE 28 overview:
40  *   Audio controller: VIA Envy24HT (full untrimmed version, 4in/8out)
41  *   Analog chip: WM8770 (8 channel 192k DAC, 2 channel 96k ADC)
42  *   Digital receiver: CS8414-CS (supported in this release)
43  */
44 
45 #include <linux/delay.h>
46 #include <linux/interrupt.h>
47 #include <linux/init.h>
48 #include <linux/slab.h>
49 #include <linux/mutex.h>
50 
51 #include <sound/core.h>
52 
53 #include "ice1712.h"
54 #include "envy24ht.h"
55 #include "phase.h"
56 #include <sound/tlv.h>
57 
58 /* AC97 register cache for Phase28 */
59 struct phase28_spec {
60 	unsigned short master[2];
61 	unsigned short vol[8];
62 };
63 
64 /* WM8770 registers */
65 #define WM_DAC_ATTEN		0x00	/* DAC1-8 analog attenuation */
66 #define WM_DAC_MASTER_ATTEN	0x08	/* DAC master analog attenuation */
67 #define WM_DAC_DIG_ATTEN	0x09	/* DAC1-8 digital attenuation */
68 #define WM_DAC_DIG_MASTER_ATTEN	0x11	/* DAC master digital attenuation */
69 #define WM_PHASE_SWAP		0x12	/* DAC phase */
70 #define WM_DAC_CTRL1		0x13	/* DAC control bits */
71 #define WM_MUTE			0x14	/* mute controls */
72 #define WM_DAC_CTRL2		0x15	/* de-emphasis and zefo-flag */
73 #define WM_INT_CTRL		0x16	/* interface control */
74 #define WM_MASTER		0x17	/* master clock and mode */
75 #define WM_POWERDOWN		0x18	/* power-down controls */
76 #define WM_ADC_GAIN		0x19	/* ADC gain L(19)/R(1a) */
77 #define WM_ADC_MUX		0x1b	/* input MUX */
78 #define WM_OUT_MUX1		0x1c	/* output MUX */
79 #define WM_OUT_MUX2		0x1e	/* output MUX */
80 #define WM_RESET		0x1f	/* software reset */
81 
82 
83 /*
84  * Logarithmic volume values for WM8770
85  * Computed as 20 * Log10(255 / x)
86  */
87 static const unsigned char wm_vol[256] = {
88 	127, 48, 42, 39, 36, 34, 33, 31, 30, 29, 28, 27, 27, 26, 25, 25, 24,
89 	24, 23, 23, 22, 22, 21, 21, 21, 20, 20, 20, 19, 19, 19, 18, 18, 18, 18,
90 	17, 17, 17, 17, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14,
91 	14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11,
92 	11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9,
93 	9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7,
94 	7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5,
95 	5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
96 	4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
97 	3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
98 	2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
99 	1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
100 };
101 
102 #define WM_VOL_MAX	(sizeof(wm_vol) - 1)
103 #define WM_VOL_MUTE	0x8000
104 
105 static struct snd_akm4xxx akm_phase22 = {
106 	.type = SND_AK4524,
107 	.num_dacs = 2,
108 	.num_adcs = 2,
109 };
110 
111 static struct snd_ak4xxx_private akm_phase22_priv = {
112 	.caddr =	2,
113 	.cif =		1,
114 	.data_mask =	1 << 4,
115 	.clk_mask =	1 << 5,
116 	.cs_mask =	1 << 10,
117 	.cs_addr =	1 << 10,
118 	.cs_none =	0,
119 	.add_flags = 	1 << 3,
120 	.mask_flags =	0,
121 };
122 
123 static int phase22_init(struct snd_ice1712 *ice)
124 {
125 	struct snd_akm4xxx *ak;
126 	int err;
127 
128 	/* Configure DAC/ADC description for generic part of ice1724 */
129 	switch (ice->eeprom.subvendor) {
130 	case VT1724_SUBDEVICE_PHASE22:
131 	case VT1724_SUBDEVICE_TS22:
132 		ice->num_total_dacs = 2;
133 		ice->num_total_adcs = 2;
134 		ice->vt1720 = 1; /* Envy24HT-S have 16 bit wide GPIO */
135 		break;
136 	default:
137 		snd_BUG();
138 		return -EINVAL;
139 	}
140 
141 	/* Initialize analog chips */
142 	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
143 	ak = ice->akm;
144 	if (!ak)
145 		return -ENOMEM;
146 	ice->akm_codecs = 1;
147 	switch (ice->eeprom.subvendor) {
148 	case VT1724_SUBDEVICE_PHASE22:
149 	case VT1724_SUBDEVICE_TS22:
150 		err = snd_ice1712_akm4xxx_init(ak, &akm_phase22,
151 						&akm_phase22_priv, ice);
152 		if (err < 0)
153 			return err;
154 		break;
155 	}
156 
157 	return 0;
158 }
159 
160 static int phase22_add_controls(struct snd_ice1712 *ice)
161 {
162 	int err = 0;
163 
164 	switch (ice->eeprom.subvendor) {
165 	case VT1724_SUBDEVICE_PHASE22:
166 	case VT1724_SUBDEVICE_TS22:
167 		err = snd_ice1712_akm4xxx_build_controls(ice);
168 		if (err < 0)
169 			return err;
170 	}
171 	return 0;
172 }
173 
174 static unsigned char phase22_eeprom[] = {
175 	[ICE_EEP2_SYSCONF]     = 0x28,  /* clock 512, mpu 401,
176 					spdif-in/1xADC, 1xDACs */
177 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
178 	[ICE_EEP2_I2S]         = 0xf0,	/* vol, 96k, 24bit */
179 	[ICE_EEP2_SPDIF]       = 0xc3,	/* out-en, out-int, spdif-in */
180 	[ICE_EEP2_GPIO_DIR]    = 0xff,
181 	[ICE_EEP2_GPIO_DIR1]   = 0xff,
182 	[ICE_EEP2_GPIO_DIR2]   = 0xff,
183 	[ICE_EEP2_GPIO_MASK]   = 0x00,
184 	[ICE_EEP2_GPIO_MASK1]  = 0x00,
185 	[ICE_EEP2_GPIO_MASK2]  = 0x00,
186 	[ICE_EEP2_GPIO_STATE]  = 0x00,
187 	[ICE_EEP2_GPIO_STATE1] = 0x00,
188 	[ICE_EEP2_GPIO_STATE2] = 0x00,
189 };
190 
191 static unsigned char phase28_eeprom[] = {
192 	[ICE_EEP2_SYSCONF]     = 0x2b,  /* clock 512, mpu401,
193 					spdif-in/1xADC, 4xDACs */
194 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
195 	[ICE_EEP2_I2S]         = 0xfc,	/* vol, 96k, 24bit, 192k */
196 	[ICE_EEP2_SPDIF]       = 0xc3,	/* out-en, out-int, spdif-in */
197 	[ICE_EEP2_GPIO_DIR]    = 0xff,
198 	[ICE_EEP2_GPIO_DIR1]   = 0xff,
199 	[ICE_EEP2_GPIO_DIR2]   = 0x5f,
200 	[ICE_EEP2_GPIO_MASK]   = 0x00,
201 	[ICE_EEP2_GPIO_MASK1]  = 0x00,
202 	[ICE_EEP2_GPIO_MASK2]  = 0x00,
203 	[ICE_EEP2_GPIO_STATE]  = 0x00,
204 	[ICE_EEP2_GPIO_STATE1] = 0x00,
205 	[ICE_EEP2_GPIO_STATE2] = 0x00,
206 };
207 
208 /*
209  * write data in the SPI mode
210  */
211 static void phase28_spi_write(struct snd_ice1712 *ice, unsigned int cs,
212 				unsigned int data, int bits)
213 {
214 	unsigned int tmp;
215 	int i;
216 
217 	tmp = snd_ice1712_gpio_read(ice);
218 
219 	snd_ice1712_gpio_set_mask(ice, ~(PHASE28_WM_RW|PHASE28_SPI_MOSI|
220 					PHASE28_SPI_CLK|PHASE28_WM_CS));
221 	tmp |= PHASE28_WM_RW;
222 	tmp &= ~cs;
223 	snd_ice1712_gpio_write(ice, tmp);
224 	udelay(1);
225 
226 	for (i = bits - 1; i >= 0; i--) {
227 		tmp &= ~PHASE28_SPI_CLK;
228 		snd_ice1712_gpio_write(ice, tmp);
229 		udelay(1);
230 		if (data & (1 << i))
231 			tmp |= PHASE28_SPI_MOSI;
232 		else
233 			tmp &= ~PHASE28_SPI_MOSI;
234 		snd_ice1712_gpio_write(ice, tmp);
235 		udelay(1);
236 		tmp |= PHASE28_SPI_CLK;
237 		snd_ice1712_gpio_write(ice, tmp);
238 		udelay(1);
239 	}
240 
241 	tmp &= ~PHASE28_SPI_CLK;
242 	tmp |= cs;
243 	snd_ice1712_gpio_write(ice, tmp);
244 	udelay(1);
245 	tmp |= PHASE28_SPI_CLK;
246 	snd_ice1712_gpio_write(ice, tmp);
247 	udelay(1);
248 }
249 
250 /*
251  * get the current register value of WM codec
252  */
253 static unsigned short wm_get(struct snd_ice1712 *ice, int reg)
254 {
255 	reg <<= 1;
256 	return ((unsigned short)ice->akm[0].images[reg] << 8) |
257 		ice->akm[0].images[reg + 1];
258 }
259 
260 /*
261  * set the register value of WM codec
262  */
263 static void wm_put_nocache(struct snd_ice1712 *ice, int reg, unsigned short val)
264 {
265 	phase28_spi_write(ice, PHASE28_WM_CS, (reg << 9) | (val & 0x1ff), 16);
266 }
267 
268 /*
269  * set the register value of WM codec and remember it
270  */
271 static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
272 {
273 	wm_put_nocache(ice, reg, val);
274 	reg <<= 1;
275 	ice->akm[0].images[reg] = val >> 8;
276 	ice->akm[0].images[reg + 1] = val;
277 }
278 
279 static void wm_set_vol(struct snd_ice1712 *ice, unsigned int index,
280 			unsigned short vol, unsigned short master)
281 {
282 	unsigned char nvol;
283 
284 	if ((master & WM_VOL_MUTE) || (vol & WM_VOL_MUTE))
285 		nvol = 0;
286 	else
287 		nvol = 127 - wm_vol[(((vol & ~WM_VOL_MUTE) *
288 			(master & ~WM_VOL_MUTE)) / 127) & WM_VOL_MAX];
289 
290 	wm_put(ice, index, nvol);
291 	wm_put_nocache(ice, index, 0x180 | nvol);
292 }
293 
294 /*
295  * DAC mute control
296  */
297 #define wm_pcm_mute_info	snd_ctl_boolean_mono_info
298 
299 static int wm_pcm_mute_get(struct snd_kcontrol *kcontrol,
300 				struct snd_ctl_elem_value *ucontrol)
301 {
302 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
303 
304 	mutex_lock(&ice->gpio_mutex);
305 	ucontrol->value.integer.value[0] = (wm_get(ice, WM_MUTE) & 0x10) ?
306 						0 : 1;
307 	mutex_unlock(&ice->gpio_mutex);
308 	return 0;
309 }
310 
311 static int wm_pcm_mute_put(struct snd_kcontrol *kcontrol,
312 				struct snd_ctl_elem_value *ucontrol)
313 {
314 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
315 	unsigned short nval, oval;
316 	int change;
317 
318 	snd_ice1712_save_gpio_status(ice);
319 	oval = wm_get(ice, WM_MUTE);
320 	nval = (oval & ~0x10) | (ucontrol->value.integer.value[0] ? 0 : 0x10);
321 	change = (nval != oval);
322 	if (change)
323 		wm_put(ice, WM_MUTE, nval);
324 	snd_ice1712_restore_gpio_status(ice);
325 
326 	return change;
327 }
328 
329 /*
330  * Master volume attenuation mixer control
331  */
332 static int wm_master_vol_info(struct snd_kcontrol *kcontrol,
333 				struct snd_ctl_elem_info *uinfo)
334 {
335 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
336 	uinfo->count = 2;
337 	uinfo->value.integer.min = 0;
338 	uinfo->value.integer.max = WM_VOL_MAX;
339 	return 0;
340 }
341 
342 static int wm_master_vol_get(struct snd_kcontrol *kcontrol,
343 				struct snd_ctl_elem_value *ucontrol)
344 {
345 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
346 	struct phase28_spec *spec = ice->spec;
347 	int i;
348 	for (i = 0; i < 2; i++)
349 		ucontrol->value.integer.value[i] = spec->master[i] &
350 							~WM_VOL_MUTE;
351 	return 0;
352 }
353 
354 static int wm_master_vol_put(struct snd_kcontrol *kcontrol,
355 				struct snd_ctl_elem_value *ucontrol)
356 {
357 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
358 	struct phase28_spec *spec = ice->spec;
359 	int ch, change = 0;
360 
361 	snd_ice1712_save_gpio_status(ice);
362 	for (ch = 0; ch < 2; ch++) {
363 		unsigned int vol = ucontrol->value.integer.value[ch];
364 		if (vol > WM_VOL_MAX)
365 			continue;
366 		vol |= spec->master[ch] & WM_VOL_MUTE;
367 		if (vol != spec->master[ch]) {
368 			int dac;
369 			spec->master[ch] = vol;
370 			for (dac = 0; dac < ice->num_total_dacs; dac += 2)
371 				wm_set_vol(ice, WM_DAC_ATTEN + dac + ch,
372 					   spec->vol[dac + ch],
373 					   spec->master[ch]);
374 			change = 1;
375 		}
376 	}
377 	snd_ice1712_restore_gpio_status(ice);
378 	return change;
379 }
380 
381 static int phase28_init(struct snd_ice1712 *ice)
382 {
383 	static const unsigned short wm_inits_phase28[] = {
384 		/* These come first to reduce init pop noise */
385 		0x1b, 0x044,	/* ADC Mux (AC'97 source) */
386 		0x1c, 0x00B,	/* Out Mux1 (VOUT1 = DAC+AUX, VOUT2 = DAC) */
387 		0x1d, 0x009,	/* Out Mux2 (VOUT2 = DAC, VOUT3 = DAC) */
388 
389 		0x18, 0x000,	/* All power-up */
390 
391 		0x16, 0x122,	/* I2S, normal polarity, 24bit */
392 		0x17, 0x022,	/* 256fs, slave mode */
393 		0x00, 0,	/* DAC1 analog mute */
394 		0x01, 0,	/* DAC2 analog mute */
395 		0x02, 0,	/* DAC3 analog mute */
396 		0x03, 0,	/* DAC4 analog mute */
397 		0x04, 0,	/* DAC5 analog mute */
398 		0x05, 0,	/* DAC6 analog mute */
399 		0x06, 0,	/* DAC7 analog mute */
400 		0x07, 0,	/* DAC8 analog mute */
401 		0x08, 0x100,	/* master analog mute */
402 		0x09, 0xff,	/* DAC1 digital full */
403 		0x0a, 0xff,	/* DAC2 digital full */
404 		0x0b, 0xff,	/* DAC3 digital full */
405 		0x0c, 0xff,	/* DAC4 digital full */
406 		0x0d, 0xff,	/* DAC5 digital full */
407 		0x0e, 0xff,	/* DAC6 digital full */
408 		0x0f, 0xff,	/* DAC7 digital full */
409 		0x10, 0xff,	/* DAC8 digital full */
410 		0x11, 0x1ff,	/* master digital full */
411 		0x12, 0x000,	/* phase normal */
412 		0x13, 0x090,	/* unmute DAC L/R */
413 		0x14, 0x000,	/* all unmute */
414 		0x15, 0x000,	/* no deemphasis, no ZFLG */
415 		0x19, 0x000,	/* -12dB ADC/L */
416 		0x1a, 0x000,	/* -12dB ADC/R */
417 		(unsigned short)-1
418 	};
419 
420 	unsigned int tmp;
421 	struct snd_akm4xxx *ak;
422 	struct phase28_spec *spec;
423 	const unsigned short *p;
424 	int i;
425 
426 	ice->num_total_dacs = 8;
427 	ice->num_total_adcs = 2;
428 
429 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
430 	if (!spec)
431 		return -ENOMEM;
432 	ice->spec = spec;
433 
434 	/* Initialize analog chips */
435 	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
436 	ak = ice->akm;
437 	if (!ak)
438 		return -ENOMEM;
439 	ice->akm_codecs = 1;
440 
441 	snd_ice1712_gpio_set_dir(ice, 0x5fffff); /* fix this for time being */
442 
443 	/* reset the wm codec as the SPI mode */
444 	snd_ice1712_save_gpio_status(ice);
445 	snd_ice1712_gpio_set_mask(ice, ~(PHASE28_WM_RESET|PHASE28_WM_CS|
446 					PHASE28_HP_SEL));
447 
448 	tmp = snd_ice1712_gpio_read(ice);
449 	tmp &= ~PHASE28_WM_RESET;
450 	snd_ice1712_gpio_write(ice, tmp);
451 	udelay(1);
452 	tmp |= PHASE28_WM_CS;
453 	snd_ice1712_gpio_write(ice, tmp);
454 	udelay(1);
455 	tmp |= PHASE28_WM_RESET;
456 	snd_ice1712_gpio_write(ice, tmp);
457 	udelay(1);
458 
459 	p = wm_inits_phase28;
460 	for (; *p != (unsigned short)-1; p += 2)
461 		wm_put(ice, p[0], p[1]);
462 
463 	snd_ice1712_restore_gpio_status(ice);
464 
465 	spec->master[0] = WM_VOL_MUTE;
466 	spec->master[1] = WM_VOL_MUTE;
467 	for (i = 0; i < ice->num_total_dacs; i++) {
468 		spec->vol[i] = WM_VOL_MUTE;
469 		wm_set_vol(ice, i, spec->vol[i], spec->master[i % 2]);
470 	}
471 
472 	return 0;
473 }
474 
475 /*
476  * DAC volume attenuation mixer control
477  */
478 static int wm_vol_info(struct snd_kcontrol *kcontrol,
479 			struct snd_ctl_elem_info *uinfo)
480 {
481 	int voices = kcontrol->private_value >> 8;
482 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
483 	uinfo->count = voices;
484 	uinfo->value.integer.min = 0;		/* mute (-101dB) */
485 	uinfo->value.integer.max = 0x7F;	/* 0dB */
486 	return 0;
487 }
488 
489 static int wm_vol_get(struct snd_kcontrol *kcontrol,
490 			struct snd_ctl_elem_value *ucontrol)
491 {
492 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
493 	struct phase28_spec *spec = ice->spec;
494 	int i, ofs, voices;
495 
496 	voices = kcontrol->private_value >> 8;
497 	ofs = kcontrol->private_value & 0xff;
498 	for (i = 0; i < voices; i++)
499 		ucontrol->value.integer.value[i] =
500 			spec->vol[ofs+i] & ~WM_VOL_MUTE;
501 	return 0;
502 }
503 
504 static int wm_vol_put(struct snd_kcontrol *kcontrol,
505 			struct snd_ctl_elem_value *ucontrol)
506 {
507 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
508 	struct phase28_spec *spec = ice->spec;
509 	int i, idx, ofs, voices;
510 	int change = 0;
511 
512 	voices = kcontrol->private_value >> 8;
513 	ofs = kcontrol->private_value & 0xff;
514 	snd_ice1712_save_gpio_status(ice);
515 	for (i = 0; i < voices; i++) {
516 		unsigned int vol;
517 		vol = ucontrol->value.integer.value[i];
518 		if (vol > 0x7f)
519 			continue;
520 		vol |= spec->vol[ofs+i] & WM_VOL_MUTE;
521 		if (vol != spec->vol[ofs+i]) {
522 			spec->vol[ofs+i] = vol;
523 			idx  = WM_DAC_ATTEN + ofs + i;
524 			wm_set_vol(ice, idx, spec->vol[ofs+i],
525 				   spec->master[i]);
526 			change = 1;
527 		}
528 	}
529 	snd_ice1712_restore_gpio_status(ice);
530 	return change;
531 }
532 
533 /*
534  * WM8770 mute control
535  */
536 static int wm_mute_info(struct snd_kcontrol *kcontrol,
537 			struct snd_ctl_elem_info *uinfo) {
538 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
539 	uinfo->count = kcontrol->private_value >> 8;
540 	uinfo->value.integer.min = 0;
541 	uinfo->value.integer.max = 1;
542 	return 0;
543 }
544 
545 static int wm_mute_get(struct snd_kcontrol *kcontrol,
546 			struct snd_ctl_elem_value *ucontrol)
547 {
548 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
549 	struct phase28_spec *spec = ice->spec;
550 	int voices, ofs, i;
551 
552 	voices = kcontrol->private_value >> 8;
553 	ofs = kcontrol->private_value & 0xFF;
554 
555 	for (i = 0; i < voices; i++)
556 		ucontrol->value.integer.value[i] =
557 			(spec->vol[ofs+i] & WM_VOL_MUTE) ? 0 : 1;
558 	return 0;
559 }
560 
561 static int wm_mute_put(struct snd_kcontrol *kcontrol,
562 			struct snd_ctl_elem_value *ucontrol)
563 {
564 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
565 	struct phase28_spec *spec = ice->spec;
566 	int change = 0, voices, ofs, i;
567 
568 	voices = kcontrol->private_value >> 8;
569 	ofs = kcontrol->private_value & 0xFF;
570 
571 	snd_ice1712_save_gpio_status(ice);
572 	for (i = 0; i < voices; i++) {
573 		int val = (spec->vol[ofs + i] & WM_VOL_MUTE) ? 0 : 1;
574 		if (ucontrol->value.integer.value[i] != val) {
575 			spec->vol[ofs + i] &= ~WM_VOL_MUTE;
576 			spec->vol[ofs + i] |=
577 				ucontrol->value.integer.value[i] ? 0 :
578 				WM_VOL_MUTE;
579 			wm_set_vol(ice, ofs + i, spec->vol[ofs + i],
580 					spec->master[i]);
581 			change = 1;
582 		}
583 	}
584 	snd_ice1712_restore_gpio_status(ice);
585 
586 	return change;
587 }
588 
589 /*
590  * WM8770 master mute control
591  */
592 #define wm_master_mute_info		snd_ctl_boolean_stereo_info
593 
594 static int wm_master_mute_get(struct snd_kcontrol *kcontrol,
595 				struct snd_ctl_elem_value *ucontrol)
596 {
597 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
598 	struct phase28_spec *spec = ice->spec;
599 
600 	ucontrol->value.integer.value[0] =
601 		(spec->master[0] & WM_VOL_MUTE) ? 0 : 1;
602 	ucontrol->value.integer.value[1] =
603 		(spec->master[1] & WM_VOL_MUTE) ? 0 : 1;
604 	return 0;
605 }
606 
607 static int wm_master_mute_put(struct snd_kcontrol *kcontrol,
608 				struct snd_ctl_elem_value *ucontrol)
609 {
610 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
611 	struct phase28_spec *spec = ice->spec;
612 	int change = 0, i;
613 
614 	snd_ice1712_save_gpio_status(ice);
615 	for (i = 0; i < 2; i++) {
616 		int val = (spec->master[i] & WM_VOL_MUTE) ? 0 : 1;
617 		if (ucontrol->value.integer.value[i] != val) {
618 			int dac;
619 			spec->master[i] &= ~WM_VOL_MUTE;
620 			spec->master[i] |=
621 				ucontrol->value.integer.value[i] ? 0 :
622 				WM_VOL_MUTE;
623 			for (dac = 0; dac < ice->num_total_dacs; dac += 2)
624 				wm_set_vol(ice, WM_DAC_ATTEN + dac + i,
625 						spec->vol[dac + i],
626 						spec->master[i]);
627 			change = 1;
628 		}
629 	}
630 	snd_ice1712_restore_gpio_status(ice);
631 
632 	return change;
633 }
634 
635 /* digital master volume */
636 #define PCM_0dB 0xff
637 #define PCM_RES 128	/* -64dB */
638 #define PCM_MIN (PCM_0dB - PCM_RES)
639 static int wm_pcm_vol_info(struct snd_kcontrol *kcontrol,
640 				struct snd_ctl_elem_info *uinfo)
641 {
642 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
643 	uinfo->count = 1;
644 	uinfo->value.integer.min = 0;		/* mute (-64dB) */
645 	uinfo->value.integer.max = PCM_RES;	/* 0dB */
646 	return 0;
647 }
648 
649 static int wm_pcm_vol_get(struct snd_kcontrol *kcontrol,
650 				struct snd_ctl_elem_value *ucontrol)
651 {
652 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
653 	unsigned short val;
654 
655 	mutex_lock(&ice->gpio_mutex);
656 	val = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
657 	val = val > PCM_MIN ? (val - PCM_MIN) : 0;
658 	ucontrol->value.integer.value[0] = val;
659 	mutex_unlock(&ice->gpio_mutex);
660 	return 0;
661 }
662 
663 static int wm_pcm_vol_put(struct snd_kcontrol *kcontrol,
664 				struct snd_ctl_elem_value *ucontrol)
665 {
666 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
667 	unsigned short ovol, nvol;
668 	int change = 0;
669 
670 	nvol = ucontrol->value.integer.value[0];
671 	if (nvol > PCM_RES)
672 		return -EINVAL;
673 	snd_ice1712_save_gpio_status(ice);
674 	nvol = (nvol ? (nvol + PCM_MIN) : 0) & 0xff;
675 	ovol = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
676 	if (ovol != nvol) {
677 		wm_put(ice, WM_DAC_DIG_MASTER_ATTEN, nvol); /* prelatch */
678 		/* update */
679 		wm_put_nocache(ice, WM_DAC_DIG_MASTER_ATTEN, nvol | 0x100);
680 		change = 1;
681 	}
682 	snd_ice1712_restore_gpio_status(ice);
683 	return change;
684 }
685 
686 /*
687  * Deemphasis
688  */
689 #define phase28_deemp_info	snd_ctl_boolean_mono_info
690 
691 static int phase28_deemp_get(struct snd_kcontrol *kcontrol,
692 				struct snd_ctl_elem_value *ucontrol)
693 {
694 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
695 	ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL2) & 0xf) ==
696 						0xf;
697 	return 0;
698 }
699 
700 static int phase28_deemp_put(struct snd_kcontrol *kcontrol,
701 				struct snd_ctl_elem_value *ucontrol)
702 {
703 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
704 	int temp, temp2;
705 	temp = wm_get(ice, WM_DAC_CTRL2);
706 	temp2 = temp;
707 	if (ucontrol->value.integer.value[0])
708 		temp |= 0xf;
709 	else
710 		temp &= ~0xf;
711 	if (temp != temp2) {
712 		wm_put(ice, WM_DAC_CTRL2, temp);
713 		return 1;
714 	}
715 	return 0;
716 }
717 
718 /*
719  * ADC Oversampling
720  */
721 static int phase28_oversampling_info(struct snd_kcontrol *k,
722 					struct snd_ctl_elem_info *uinfo)
723 {
724 	static const char * const texts[2] = { "128x", "64x"	};
725 
726 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
727 	uinfo->count = 1;
728 	uinfo->value.enumerated.items = 2;
729 
730 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
731 		uinfo->value.enumerated.item = uinfo->value.enumerated.items -
732 						1;
733 	strcpy(uinfo->value.enumerated.name,
734 		texts[uinfo->value.enumerated.item]);
735 
736 	return 0;
737 }
738 
739 static int phase28_oversampling_get(struct snd_kcontrol *kcontrol,
740 					struct snd_ctl_elem_value *ucontrol)
741 {
742 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
743 	ucontrol->value.enumerated.item[0] = (wm_get(ice, WM_MASTER) & 0x8) ==
744 						0x8;
745 	return 0;
746 }
747 
748 static int phase28_oversampling_put(struct snd_kcontrol *kcontrol,
749 					struct snd_ctl_elem_value *ucontrol)
750 {
751 	int temp, temp2;
752 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
753 
754 	temp = wm_get(ice, WM_MASTER);
755 	temp2 = temp;
756 
757 	if (ucontrol->value.enumerated.item[0])
758 		temp |= 0x8;
759 	else
760 		temp &= ~0x8;
761 
762 	if (temp != temp2) {
763 		wm_put(ice, WM_MASTER, temp);
764 		return 1;
765 	}
766 	return 0;
767 }
768 
769 static const DECLARE_TLV_DB_SCALE(db_scale_wm_dac, -12700, 100, 1);
770 static const DECLARE_TLV_DB_SCALE(db_scale_wm_pcm, -6400, 50, 1);
771 
772 static struct snd_kcontrol_new phase28_dac_controls[] = {
773 	{
774 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
775 		.name = "Master Playback Switch",
776 		.info = wm_master_mute_info,
777 		.get = wm_master_mute_get,
778 		.put = wm_master_mute_put
779 	},
780 	{
781 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
782 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
783 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
784 		.name = "Master Playback Volume",
785 		.info = wm_master_vol_info,
786 		.get = wm_master_vol_get,
787 		.put = wm_master_vol_put,
788 		.tlv = { .p = db_scale_wm_dac }
789 	},
790 	{
791 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
792 		.name = "Front Playback Switch",
793 		.info = wm_mute_info,
794 		.get = wm_mute_get,
795 		.put = wm_mute_put,
796 		.private_value = (2 << 8) | 0
797 	},
798 	{
799 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
800 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
801 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
802 		.name = "Front Playback Volume",
803 		.info = wm_vol_info,
804 		.get = wm_vol_get,
805 		.put = wm_vol_put,
806 		.private_value = (2 << 8) | 0,
807 		.tlv = { .p = db_scale_wm_dac }
808 	},
809 	{
810 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
811 		.name = "Rear Playback Switch",
812 		.info = wm_mute_info,
813 		.get = wm_mute_get,
814 		.put = wm_mute_put,
815 		.private_value = (2 << 8) | 2
816 	},
817 	{
818 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
819 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
820 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
821 		.name = "Rear Playback Volume",
822 		.info = wm_vol_info,
823 		.get = wm_vol_get,
824 		.put = wm_vol_put,
825 		.private_value = (2 << 8) | 2,
826 		.tlv = { .p = db_scale_wm_dac }
827 	},
828 	{
829 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
830 		.name = "Center Playback Switch",
831 		.info = wm_mute_info,
832 		.get = wm_mute_get,
833 		.put = wm_mute_put,
834 		.private_value = (1 << 8) | 4
835 	},
836 	{
837 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
838 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
839 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
840 		.name = "Center Playback Volume",
841 		.info = wm_vol_info,
842 		.get = wm_vol_get,
843 		.put = wm_vol_put,
844 		.private_value = (1 << 8) | 4,
845 		.tlv = { .p = db_scale_wm_dac }
846 	},
847 	{
848 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
849 		.name = "LFE Playback Switch",
850 		.info = wm_mute_info,
851 		.get = wm_mute_get,
852 		.put = wm_mute_put,
853 		.private_value = (1 << 8) | 5
854 	},
855 	{
856 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
857 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
858 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
859 		.name = "LFE Playback Volume",
860 		.info = wm_vol_info,
861 		.get = wm_vol_get,
862 		.put = wm_vol_put,
863 		.private_value = (1 << 8) | 5,
864 		.tlv = { .p = db_scale_wm_dac }
865 	},
866 	{
867 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
868 		.name = "Side Playback Switch",
869 		.info = wm_mute_info,
870 		.get = wm_mute_get,
871 		.put = wm_mute_put,
872 		.private_value = (2 << 8) | 6
873 	},
874 	{
875 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
876 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
877 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
878 		.name = "Side Playback Volume",
879 		.info = wm_vol_info,
880 		.get = wm_vol_get,
881 		.put = wm_vol_put,
882 		.private_value = (2 << 8) | 6,
883 		.tlv = { .p = db_scale_wm_dac }
884 	}
885 };
886 
887 static struct snd_kcontrol_new wm_controls[] = {
888 	{
889 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
890 		.name = "PCM Playback Switch",
891 		.info = wm_pcm_mute_info,
892 		.get = wm_pcm_mute_get,
893 		.put = wm_pcm_mute_put
894 	},
895 	{
896 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
897 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
898 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
899 		.name = "PCM Playback Volume",
900 		.info = wm_pcm_vol_info,
901 		.get = wm_pcm_vol_get,
902 		.put = wm_pcm_vol_put,
903 		.tlv = { .p = db_scale_wm_pcm }
904 	},
905 	{
906 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
907 		.name = "DAC Deemphasis Switch",
908 		.info = phase28_deemp_info,
909 		.get = phase28_deemp_get,
910 		.put = phase28_deemp_put
911 	},
912 	{
913 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
914 		.name = "ADC Oversampling",
915 		.info = phase28_oversampling_info,
916 		.get = phase28_oversampling_get,
917 		.put = phase28_oversampling_put
918 	}
919 };
920 
921 static int phase28_add_controls(struct snd_ice1712 *ice)
922 {
923 	unsigned int i, counts;
924 	int err;
925 
926 	counts = ARRAY_SIZE(phase28_dac_controls);
927 	for (i = 0; i < counts; i++) {
928 		err = snd_ctl_add(ice->card,
929 					snd_ctl_new1(&phase28_dac_controls[i],
930 							ice));
931 		if (err < 0)
932 			return err;
933 	}
934 
935 	for (i = 0; i < ARRAY_SIZE(wm_controls); i++) {
936 		err = snd_ctl_add(ice->card,
937 					snd_ctl_new1(&wm_controls[i], ice));
938 		if (err < 0)
939 			return err;
940 	}
941 
942 	return 0;
943 }
944 
945 struct snd_ice1712_card_info snd_vt1724_phase_cards[] = {
946 	{
947 		.subvendor = VT1724_SUBDEVICE_PHASE22,
948 		.name = "Terratec PHASE 22",
949 		.model = "phase22",
950 		.chip_init = phase22_init,
951 		.build_controls = phase22_add_controls,
952 		.eeprom_size = sizeof(phase22_eeprom),
953 		.eeprom_data = phase22_eeprom,
954 	},
955 	{
956 		.subvendor = VT1724_SUBDEVICE_PHASE28,
957 		.name = "Terratec PHASE 28",
958 		.model = "phase28",
959 		.chip_init = phase28_init,
960 		.build_controls = phase28_add_controls,
961 		.eeprom_size = sizeof(phase28_eeprom),
962 		.eeprom_data = phase28_eeprom,
963 	},
964 	{
965 		.subvendor = VT1724_SUBDEVICE_TS22,
966 		.name = "Terrasoniq TS22 PCI",
967 		.model = "TS22",
968 		.chip_init = phase22_init,
969 		.build_controls = phase22_add_controls,
970 		.eeprom_size = sizeof(phase22_eeprom),
971 		.eeprom_data = phase22_eeprom,
972 	},
973 	{ } /* terminator */
974 };
975