xref: /openbmc/linux/sound/pci/ice1712/phase.c (revision 95e9fd10)
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 <asm/io.h>
46 #include <linux/delay.h>
47 #include <linux/interrupt.h>
48 #include <linux/init.h>
49 #include <linux/slab.h>
50 #include <linux/mutex.h>
51 
52 #include <sound/core.h>
53 
54 #include "ice1712.h"
55 #include "envy24ht.h"
56 #include "phase.h"
57 #include <sound/tlv.h>
58 
59 /* AC97 register cache for Phase28 */
60 struct phase28_spec {
61 	unsigned short master[2];
62 	unsigned short vol[8];
63 };
64 
65 /* WM8770 registers */
66 #define WM_DAC_ATTEN		0x00	/* DAC1-8 analog attenuation */
67 #define WM_DAC_MASTER_ATTEN	0x08	/* DAC master analog attenuation */
68 #define WM_DAC_DIG_ATTEN	0x09	/* DAC1-8 digital attenuation */
69 #define WM_DAC_DIG_MASTER_ATTEN	0x11	/* DAC master digital attenuation */
70 #define WM_PHASE_SWAP		0x12	/* DAC phase */
71 #define WM_DAC_CTRL1		0x13	/* DAC control bits */
72 #define WM_MUTE			0x14	/* mute controls */
73 #define WM_DAC_CTRL2		0x15	/* de-emphasis and zefo-flag */
74 #define WM_INT_CTRL		0x16	/* interface control */
75 #define WM_MASTER		0x17	/* master clock and mode */
76 #define WM_POWERDOWN		0x18	/* power-down controls */
77 #define WM_ADC_GAIN		0x19	/* ADC gain L(19)/R(1a) */
78 #define WM_ADC_MUX		0x1b	/* input MUX */
79 #define WM_OUT_MUX1		0x1c	/* output MUX */
80 #define WM_OUT_MUX2		0x1e	/* output MUX */
81 #define WM_RESET		0x1f	/* software reset */
82 
83 
84 /*
85  * Logarithmic volume values for WM8770
86  * Computed as 20 * Log10(255 / x)
87  */
88 static const unsigned char wm_vol[256] = {
89 	127, 48, 42, 39, 36, 34, 33, 31, 30, 29, 28, 27, 27, 26, 25, 25, 24,
90 	24, 23, 23, 22, 22, 21, 21, 21, 20, 20, 20, 19, 19, 19, 18, 18, 18, 18,
91 	17, 17, 17, 17, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14,
92 	14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11,
93 	11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9,
94 	9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7,
95 	7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5,
96 	5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
97 	4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
98 	3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
99 	2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
100 	1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
101 };
102 
103 #define WM_VOL_MAX	(sizeof(wm_vol) - 1)
104 #define WM_VOL_MUTE	0x8000
105 
106 static struct snd_akm4xxx akm_phase22 __devinitdata = {
107 	.type = SND_AK4524,
108 	.num_dacs = 2,
109 	.num_adcs = 2,
110 };
111 
112 static struct snd_ak4xxx_private akm_phase22_priv __devinitdata = {
113 	.caddr =	2,
114 	.cif =		1,
115 	.data_mask =	1 << 4,
116 	.clk_mask =	1 << 5,
117 	.cs_mask =	1 << 10,
118 	.cs_addr =	1 << 10,
119 	.cs_none =	0,
120 	.add_flags = 	1 << 3,
121 	.mask_flags =	0,
122 };
123 
124 static int __devinit phase22_init(struct snd_ice1712 *ice)
125 {
126 	struct snd_akm4xxx *ak;
127 	int err;
128 
129 	/* Configure DAC/ADC description for generic part of ice1724 */
130 	switch (ice->eeprom.subvendor) {
131 	case VT1724_SUBDEVICE_PHASE22:
132 	case VT1724_SUBDEVICE_TS22:
133 		ice->num_total_dacs = 2;
134 		ice->num_total_adcs = 2;
135 		ice->vt1720 = 1; /* Envy24HT-S have 16 bit wide GPIO */
136 		break;
137 	default:
138 		snd_BUG();
139 		return -EINVAL;
140 	}
141 
142 	/* Initialize analog chips */
143 	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
144 	ak = ice->akm;
145 	if (!ak)
146 		return -ENOMEM;
147 	ice->akm_codecs = 1;
148 	switch (ice->eeprom.subvendor) {
149 	case VT1724_SUBDEVICE_PHASE22:
150 	case VT1724_SUBDEVICE_TS22:
151 		err = snd_ice1712_akm4xxx_init(ak, &akm_phase22,
152 						&akm_phase22_priv, ice);
153 		if (err < 0)
154 			return err;
155 		break;
156 	}
157 
158 	return 0;
159 }
160 
161 static int __devinit phase22_add_controls(struct snd_ice1712 *ice)
162 {
163 	int err = 0;
164 
165 	switch (ice->eeprom.subvendor) {
166 	case VT1724_SUBDEVICE_PHASE22:
167 	case VT1724_SUBDEVICE_TS22:
168 		err = snd_ice1712_akm4xxx_build_controls(ice);
169 		if (err < 0)
170 			return err;
171 	}
172 	return 0;
173 }
174 
175 static unsigned char phase22_eeprom[] __devinitdata = {
176 	[ICE_EEP2_SYSCONF]     = 0x28,  /* clock 512, mpu 401,
177 					spdif-in/1xADC, 1xDACs */
178 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
179 	[ICE_EEP2_I2S]         = 0xf0,	/* vol, 96k, 24bit */
180 	[ICE_EEP2_SPDIF]       = 0xc3,	/* out-en, out-int, spdif-in */
181 	[ICE_EEP2_GPIO_DIR]    = 0xff,
182 	[ICE_EEP2_GPIO_DIR1]   = 0xff,
183 	[ICE_EEP2_GPIO_DIR2]   = 0xff,
184 	[ICE_EEP2_GPIO_MASK]   = 0x00,
185 	[ICE_EEP2_GPIO_MASK1]  = 0x00,
186 	[ICE_EEP2_GPIO_MASK2]  = 0x00,
187 	[ICE_EEP2_GPIO_STATE]  = 0x00,
188 	[ICE_EEP2_GPIO_STATE1] = 0x00,
189 	[ICE_EEP2_GPIO_STATE2] = 0x00,
190 };
191 
192 static unsigned char phase28_eeprom[] __devinitdata = {
193 	[ICE_EEP2_SYSCONF]     = 0x2b,  /* clock 512, mpu401,
194 					spdif-in/1xADC, 4xDACs */
195 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
196 	[ICE_EEP2_I2S]         = 0xfc,	/* vol, 96k, 24bit, 192k */
197 	[ICE_EEP2_SPDIF]       = 0xc3,	/* out-en, out-int, spdif-in */
198 	[ICE_EEP2_GPIO_DIR]    = 0xff,
199 	[ICE_EEP2_GPIO_DIR1]   = 0xff,
200 	[ICE_EEP2_GPIO_DIR2]   = 0x5f,
201 	[ICE_EEP2_GPIO_MASK]   = 0x00,
202 	[ICE_EEP2_GPIO_MASK1]  = 0x00,
203 	[ICE_EEP2_GPIO_MASK2]  = 0x00,
204 	[ICE_EEP2_GPIO_STATE]  = 0x00,
205 	[ICE_EEP2_GPIO_STATE1] = 0x00,
206 	[ICE_EEP2_GPIO_STATE2] = 0x00,
207 };
208 
209 /*
210  * write data in the SPI mode
211  */
212 static void phase28_spi_write(struct snd_ice1712 *ice, unsigned int cs,
213 				unsigned int data, int bits)
214 {
215 	unsigned int tmp;
216 	int i;
217 
218 	tmp = snd_ice1712_gpio_read(ice);
219 
220 	snd_ice1712_gpio_set_mask(ice, ~(PHASE28_WM_RW|PHASE28_SPI_MOSI|
221 					PHASE28_SPI_CLK|PHASE28_WM_CS));
222 	tmp |= PHASE28_WM_RW;
223 	tmp &= ~cs;
224 	snd_ice1712_gpio_write(ice, tmp);
225 	udelay(1);
226 
227 	for (i = bits - 1; i >= 0; i--) {
228 		tmp &= ~PHASE28_SPI_CLK;
229 		snd_ice1712_gpio_write(ice, tmp);
230 		udelay(1);
231 		if (data & (1 << i))
232 			tmp |= PHASE28_SPI_MOSI;
233 		else
234 			tmp &= ~PHASE28_SPI_MOSI;
235 		snd_ice1712_gpio_write(ice, tmp);
236 		udelay(1);
237 		tmp |= PHASE28_SPI_CLK;
238 		snd_ice1712_gpio_write(ice, tmp);
239 		udelay(1);
240 	}
241 
242 	tmp &= ~PHASE28_SPI_CLK;
243 	tmp |= cs;
244 	snd_ice1712_gpio_write(ice, tmp);
245 	udelay(1);
246 	tmp |= PHASE28_SPI_CLK;
247 	snd_ice1712_gpio_write(ice, tmp);
248 	udelay(1);
249 }
250 
251 /*
252  * get the current register value of WM codec
253  */
254 static unsigned short wm_get(struct snd_ice1712 *ice, int reg)
255 {
256 	reg <<= 1;
257 	return ((unsigned short)ice->akm[0].images[reg] << 8) |
258 		ice->akm[0].images[reg + 1];
259 }
260 
261 /*
262  * set the register value of WM codec
263  */
264 static void wm_put_nocache(struct snd_ice1712 *ice, int reg, unsigned short val)
265 {
266 	phase28_spi_write(ice, PHASE28_WM_CS, (reg << 9) | (val & 0x1ff), 16);
267 }
268 
269 /*
270  * set the register value of WM codec and remember it
271  */
272 static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
273 {
274 	wm_put_nocache(ice, reg, val);
275 	reg <<= 1;
276 	ice->akm[0].images[reg] = val >> 8;
277 	ice->akm[0].images[reg + 1] = val;
278 }
279 
280 static void wm_set_vol(struct snd_ice1712 *ice, unsigned int index,
281 			unsigned short vol, unsigned short master)
282 {
283 	unsigned char nvol;
284 
285 	if ((master & WM_VOL_MUTE) || (vol & WM_VOL_MUTE))
286 		nvol = 0;
287 	else
288 		nvol = 127 - wm_vol[(((vol & ~WM_VOL_MUTE) *
289 			(master & ~WM_VOL_MUTE)) / 127) & WM_VOL_MAX];
290 
291 	wm_put(ice, index, nvol);
292 	wm_put_nocache(ice, index, 0x180 | nvol);
293 }
294 
295 /*
296  * DAC mute control
297  */
298 #define wm_pcm_mute_info	snd_ctl_boolean_mono_info
299 
300 static int wm_pcm_mute_get(struct snd_kcontrol *kcontrol,
301 				struct snd_ctl_elem_value *ucontrol)
302 {
303 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
304 
305 	mutex_lock(&ice->gpio_mutex);
306 	ucontrol->value.integer.value[0] = (wm_get(ice, WM_MUTE) & 0x10) ?
307 						0 : 1;
308 	mutex_unlock(&ice->gpio_mutex);
309 	return 0;
310 }
311 
312 static int wm_pcm_mute_put(struct snd_kcontrol *kcontrol,
313 				struct snd_ctl_elem_value *ucontrol)
314 {
315 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
316 	unsigned short nval, oval;
317 	int change;
318 
319 	snd_ice1712_save_gpio_status(ice);
320 	oval = wm_get(ice, WM_MUTE);
321 	nval = (oval & ~0x10) | (ucontrol->value.integer.value[0] ? 0 : 0x10);
322 	change = (nval != oval);
323 	if (change)
324 		wm_put(ice, WM_MUTE, nval);
325 	snd_ice1712_restore_gpio_status(ice);
326 
327 	return change;
328 }
329 
330 /*
331  * Master volume attenuation mixer control
332  */
333 static int wm_master_vol_info(struct snd_kcontrol *kcontrol,
334 				struct snd_ctl_elem_info *uinfo)
335 {
336 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
337 	uinfo->count = 2;
338 	uinfo->value.integer.min = 0;
339 	uinfo->value.integer.max = WM_VOL_MAX;
340 	return 0;
341 }
342 
343 static int wm_master_vol_get(struct snd_kcontrol *kcontrol,
344 				struct snd_ctl_elem_value *ucontrol)
345 {
346 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
347 	struct phase28_spec *spec = ice->spec;
348 	int i;
349 	for (i = 0; i < 2; i++)
350 		ucontrol->value.integer.value[i] = spec->master[i] &
351 							~WM_VOL_MUTE;
352 	return 0;
353 }
354 
355 static int wm_master_vol_put(struct snd_kcontrol *kcontrol,
356 				struct snd_ctl_elem_value *ucontrol)
357 {
358 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
359 	struct phase28_spec *spec = ice->spec;
360 	int ch, change = 0;
361 
362 	snd_ice1712_save_gpio_status(ice);
363 	for (ch = 0; ch < 2; ch++) {
364 		unsigned int vol = ucontrol->value.integer.value[ch];
365 		if (vol > WM_VOL_MAX)
366 			continue;
367 		vol |= spec->master[ch] & WM_VOL_MUTE;
368 		if (vol != spec->master[ch]) {
369 			int dac;
370 			spec->master[ch] = vol;
371 			for (dac = 0; dac < ice->num_total_dacs; dac += 2)
372 				wm_set_vol(ice, WM_DAC_ATTEN + dac + ch,
373 					   spec->vol[dac + ch],
374 					   spec->master[ch]);
375 			change = 1;
376 		}
377 	}
378 	snd_ice1712_restore_gpio_status(ice);
379 	return change;
380 }
381 
382 static int __devinit phase28_init(struct snd_ice1712 *ice)
383 {
384 	static const unsigned short wm_inits_phase28[] = {
385 		/* These come first to reduce init pop noise */
386 		0x1b, 0x044,	/* ADC Mux (AC'97 source) */
387 		0x1c, 0x00B,	/* Out Mux1 (VOUT1 = DAC+AUX, VOUT2 = DAC) */
388 		0x1d, 0x009,	/* Out Mux2 (VOUT2 = DAC, VOUT3 = DAC) */
389 
390 		0x18, 0x000,	/* All power-up */
391 
392 		0x16, 0x122,	/* I2S, normal polarity, 24bit */
393 		0x17, 0x022,	/* 256fs, slave mode */
394 		0x00, 0,	/* DAC1 analog mute */
395 		0x01, 0,	/* DAC2 analog mute */
396 		0x02, 0,	/* DAC3 analog mute */
397 		0x03, 0,	/* DAC4 analog mute */
398 		0x04, 0,	/* DAC5 analog mute */
399 		0x05, 0,	/* DAC6 analog mute */
400 		0x06, 0,	/* DAC7 analog mute */
401 		0x07, 0,	/* DAC8 analog mute */
402 		0x08, 0x100,	/* master analog mute */
403 		0x09, 0xff,	/* DAC1 digital full */
404 		0x0a, 0xff,	/* DAC2 digital full */
405 		0x0b, 0xff,	/* DAC3 digital full */
406 		0x0c, 0xff,	/* DAC4 digital full */
407 		0x0d, 0xff,	/* DAC5 digital full */
408 		0x0e, 0xff,	/* DAC6 digital full */
409 		0x0f, 0xff,	/* DAC7 digital full */
410 		0x10, 0xff,	/* DAC8 digital full */
411 		0x11, 0x1ff,	/* master digital full */
412 		0x12, 0x000,	/* phase normal */
413 		0x13, 0x090,	/* unmute DAC L/R */
414 		0x14, 0x000,	/* all unmute */
415 		0x15, 0x000,	/* no deemphasis, no ZFLG */
416 		0x19, 0x000,	/* -12dB ADC/L */
417 		0x1a, 0x000,	/* -12dB ADC/R */
418 		(unsigned short)-1
419 	};
420 
421 	unsigned int tmp;
422 	struct snd_akm4xxx *ak;
423 	struct phase28_spec *spec;
424 	const unsigned short *p;
425 	int i;
426 
427 	ice->num_total_dacs = 8;
428 	ice->num_total_adcs = 2;
429 
430 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
431 	if (!spec)
432 		return -ENOMEM;
433 	ice->spec = spec;
434 
435 	/* Initialize analog chips */
436 	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
437 	ak = ice->akm;
438 	if (!ak)
439 		return -ENOMEM;
440 	ice->akm_codecs = 1;
441 
442 	snd_ice1712_gpio_set_dir(ice, 0x5fffff); /* fix this for time being */
443 
444 	/* reset the wm codec as the SPI mode */
445 	snd_ice1712_save_gpio_status(ice);
446 	snd_ice1712_gpio_set_mask(ice, ~(PHASE28_WM_RESET|PHASE28_WM_CS|
447 					PHASE28_HP_SEL));
448 
449 	tmp = snd_ice1712_gpio_read(ice);
450 	tmp &= ~PHASE28_WM_RESET;
451 	snd_ice1712_gpio_write(ice, tmp);
452 	udelay(1);
453 	tmp |= PHASE28_WM_CS;
454 	snd_ice1712_gpio_write(ice, tmp);
455 	udelay(1);
456 	tmp |= PHASE28_WM_RESET;
457 	snd_ice1712_gpio_write(ice, tmp);
458 	udelay(1);
459 
460 	p = wm_inits_phase28;
461 	for (; *p != (unsigned short)-1; p += 2)
462 		wm_put(ice, p[0], p[1]);
463 
464 	snd_ice1712_restore_gpio_status(ice);
465 
466 	spec->master[0] = WM_VOL_MUTE;
467 	spec->master[1] = WM_VOL_MUTE;
468 	for (i = 0; i < ice->num_total_dacs; i++) {
469 		spec->vol[i] = WM_VOL_MUTE;
470 		wm_set_vol(ice, i, spec->vol[i], spec->master[i % 2]);
471 	}
472 
473 	return 0;
474 }
475 
476 /*
477  * DAC volume attenuation mixer control
478  */
479 static int wm_vol_info(struct snd_kcontrol *kcontrol,
480 			struct snd_ctl_elem_info *uinfo)
481 {
482 	int voices = kcontrol->private_value >> 8;
483 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
484 	uinfo->count = voices;
485 	uinfo->value.integer.min = 0;		/* mute (-101dB) */
486 	uinfo->value.integer.max = 0x7F;	/* 0dB */
487 	return 0;
488 }
489 
490 static int wm_vol_get(struct snd_kcontrol *kcontrol,
491 			struct snd_ctl_elem_value *ucontrol)
492 {
493 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
494 	struct phase28_spec *spec = ice->spec;
495 	int i, ofs, voices;
496 
497 	voices = kcontrol->private_value >> 8;
498 	ofs = kcontrol->private_value & 0xff;
499 	for (i = 0; i < voices; i++)
500 		ucontrol->value.integer.value[i] =
501 			spec->vol[ofs+i] & ~WM_VOL_MUTE;
502 	return 0;
503 }
504 
505 static int wm_vol_put(struct snd_kcontrol *kcontrol,
506 			struct snd_ctl_elem_value *ucontrol)
507 {
508 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
509 	struct phase28_spec *spec = ice->spec;
510 	int i, idx, ofs, voices;
511 	int change = 0;
512 
513 	voices = kcontrol->private_value >> 8;
514 	ofs = kcontrol->private_value & 0xff;
515 	snd_ice1712_save_gpio_status(ice);
516 	for (i = 0; i < voices; i++) {
517 		unsigned int vol;
518 		vol = ucontrol->value.integer.value[i];
519 		if (vol > 0x7f)
520 			continue;
521 		vol |= spec->vol[ofs+i] & WM_VOL_MUTE;
522 		if (vol != spec->vol[ofs+i]) {
523 			spec->vol[ofs+i] = vol;
524 			idx  = WM_DAC_ATTEN + ofs + i;
525 			wm_set_vol(ice, idx, spec->vol[ofs+i],
526 				   spec->master[i]);
527 			change = 1;
528 		}
529 	}
530 	snd_ice1712_restore_gpio_status(ice);
531 	return change;
532 }
533 
534 /*
535  * WM8770 mute control
536  */
537 static int wm_mute_info(struct snd_kcontrol *kcontrol,
538 			struct snd_ctl_elem_info *uinfo) {
539 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
540 	uinfo->count = kcontrol->private_value >> 8;
541 	uinfo->value.integer.min = 0;
542 	uinfo->value.integer.max = 1;
543 	return 0;
544 }
545 
546 static int wm_mute_get(struct snd_kcontrol *kcontrol,
547 			struct snd_ctl_elem_value *ucontrol)
548 {
549 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
550 	struct phase28_spec *spec = ice->spec;
551 	int voices, ofs, i;
552 
553 	voices = kcontrol->private_value >> 8;
554 	ofs = kcontrol->private_value & 0xFF;
555 
556 	for (i = 0; i < voices; i++)
557 		ucontrol->value.integer.value[i] =
558 			(spec->vol[ofs+i] & WM_VOL_MUTE) ? 0 : 1;
559 	return 0;
560 }
561 
562 static int wm_mute_put(struct snd_kcontrol *kcontrol,
563 			struct snd_ctl_elem_value *ucontrol)
564 {
565 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
566 	struct phase28_spec *spec = ice->spec;
567 	int change = 0, voices, ofs, i;
568 
569 	voices = kcontrol->private_value >> 8;
570 	ofs = kcontrol->private_value & 0xFF;
571 
572 	snd_ice1712_save_gpio_status(ice);
573 	for (i = 0; i < voices; i++) {
574 		int val = (spec->vol[ofs + i] & WM_VOL_MUTE) ? 0 : 1;
575 		if (ucontrol->value.integer.value[i] != val) {
576 			spec->vol[ofs + i] &= ~WM_VOL_MUTE;
577 			spec->vol[ofs + i] |=
578 				ucontrol->value.integer.value[i] ? 0 :
579 				WM_VOL_MUTE;
580 			wm_set_vol(ice, ofs + i, spec->vol[ofs + i],
581 					spec->master[i]);
582 			change = 1;
583 		}
584 	}
585 	snd_ice1712_restore_gpio_status(ice);
586 
587 	return change;
588 }
589 
590 /*
591  * WM8770 master mute control
592  */
593 #define wm_master_mute_info		snd_ctl_boolean_stereo_info
594 
595 static int wm_master_mute_get(struct snd_kcontrol *kcontrol,
596 				struct snd_ctl_elem_value *ucontrol)
597 {
598 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
599 	struct phase28_spec *spec = ice->spec;
600 
601 	ucontrol->value.integer.value[0] =
602 		(spec->master[0] & WM_VOL_MUTE) ? 0 : 1;
603 	ucontrol->value.integer.value[1] =
604 		(spec->master[1] & WM_VOL_MUTE) ? 0 : 1;
605 	return 0;
606 }
607 
608 static int wm_master_mute_put(struct snd_kcontrol *kcontrol,
609 				struct snd_ctl_elem_value *ucontrol)
610 {
611 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
612 	struct phase28_spec *spec = ice->spec;
613 	int change = 0, i;
614 
615 	snd_ice1712_save_gpio_status(ice);
616 	for (i = 0; i < 2; i++) {
617 		int val = (spec->master[i] & WM_VOL_MUTE) ? 0 : 1;
618 		if (ucontrol->value.integer.value[i] != val) {
619 			int dac;
620 			spec->master[i] &= ~WM_VOL_MUTE;
621 			spec->master[i] |=
622 				ucontrol->value.integer.value[i] ? 0 :
623 				WM_VOL_MUTE;
624 			for (dac = 0; dac < ice->num_total_dacs; dac += 2)
625 				wm_set_vol(ice, WM_DAC_ATTEN + dac + i,
626 						spec->vol[dac + i],
627 						spec->master[i]);
628 			change = 1;
629 		}
630 	}
631 	snd_ice1712_restore_gpio_status(ice);
632 
633 	return change;
634 }
635 
636 /* digital master volume */
637 #define PCM_0dB 0xff
638 #define PCM_RES 128	/* -64dB */
639 #define PCM_MIN (PCM_0dB - PCM_RES)
640 static int wm_pcm_vol_info(struct snd_kcontrol *kcontrol,
641 				struct snd_ctl_elem_info *uinfo)
642 {
643 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
644 	uinfo->count = 1;
645 	uinfo->value.integer.min = 0;		/* mute (-64dB) */
646 	uinfo->value.integer.max = PCM_RES;	/* 0dB */
647 	return 0;
648 }
649 
650 static int wm_pcm_vol_get(struct snd_kcontrol *kcontrol,
651 				struct snd_ctl_elem_value *ucontrol)
652 {
653 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
654 	unsigned short val;
655 
656 	mutex_lock(&ice->gpio_mutex);
657 	val = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
658 	val = val > PCM_MIN ? (val - PCM_MIN) : 0;
659 	ucontrol->value.integer.value[0] = val;
660 	mutex_unlock(&ice->gpio_mutex);
661 	return 0;
662 }
663 
664 static int wm_pcm_vol_put(struct snd_kcontrol *kcontrol,
665 				struct snd_ctl_elem_value *ucontrol)
666 {
667 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
668 	unsigned short ovol, nvol;
669 	int change = 0;
670 
671 	nvol = ucontrol->value.integer.value[0];
672 	if (nvol > PCM_RES)
673 		return -EINVAL;
674 	snd_ice1712_save_gpio_status(ice);
675 	nvol = (nvol ? (nvol + PCM_MIN) : 0) & 0xff;
676 	ovol = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
677 	if (ovol != nvol) {
678 		wm_put(ice, WM_DAC_DIG_MASTER_ATTEN, nvol); /* prelatch */
679 		/* update */
680 		wm_put_nocache(ice, WM_DAC_DIG_MASTER_ATTEN, nvol | 0x100);
681 		change = 1;
682 	}
683 	snd_ice1712_restore_gpio_status(ice);
684 	return change;
685 }
686 
687 /*
688  * Deemphasis
689  */
690 #define phase28_deemp_info	snd_ctl_boolean_mono_info
691 
692 static int phase28_deemp_get(struct snd_kcontrol *kcontrol,
693 				struct snd_ctl_elem_value *ucontrol)
694 {
695 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
696 	ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL2) & 0xf) ==
697 						0xf;
698 	return 0;
699 }
700 
701 static int phase28_deemp_put(struct snd_kcontrol *kcontrol,
702 				struct snd_ctl_elem_value *ucontrol)
703 {
704 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
705 	int temp, temp2;
706 	temp = wm_get(ice, WM_DAC_CTRL2);
707 	temp2 = temp;
708 	if (ucontrol->value.integer.value[0])
709 		temp |= 0xf;
710 	else
711 		temp &= ~0xf;
712 	if (temp != temp2) {
713 		wm_put(ice, WM_DAC_CTRL2, temp);
714 		return 1;
715 	}
716 	return 0;
717 }
718 
719 /*
720  * ADC Oversampling
721  */
722 static int phase28_oversampling_info(struct snd_kcontrol *k,
723 					struct snd_ctl_elem_info *uinfo)
724 {
725 	static char *texts[2] = { "128x", "64x"	};
726 
727 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
728 	uinfo->count = 1;
729 	uinfo->value.enumerated.items = 2;
730 
731 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
732 		uinfo->value.enumerated.item = uinfo->value.enumerated.items -
733 						1;
734 	strcpy(uinfo->value.enumerated.name,
735 		texts[uinfo->value.enumerated.item]);
736 
737 	return 0;
738 }
739 
740 static int phase28_oversampling_get(struct snd_kcontrol *kcontrol,
741 					struct snd_ctl_elem_value *ucontrol)
742 {
743 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
744 	ucontrol->value.enumerated.item[0] = (wm_get(ice, WM_MASTER) & 0x8) ==
745 						0x8;
746 	return 0;
747 }
748 
749 static int phase28_oversampling_put(struct snd_kcontrol *kcontrol,
750 					struct snd_ctl_elem_value *ucontrol)
751 {
752 	int temp, temp2;
753 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
754 
755 	temp = wm_get(ice, WM_MASTER);
756 	temp2 = temp;
757 
758 	if (ucontrol->value.enumerated.item[0])
759 		temp |= 0x8;
760 	else
761 		temp &= ~0x8;
762 
763 	if (temp != temp2) {
764 		wm_put(ice, WM_MASTER, temp);
765 		return 1;
766 	}
767 	return 0;
768 }
769 
770 static const DECLARE_TLV_DB_SCALE(db_scale_wm_dac, -12700, 100, 1);
771 static const DECLARE_TLV_DB_SCALE(db_scale_wm_pcm, -6400, 50, 1);
772 
773 static struct snd_kcontrol_new phase28_dac_controls[] __devinitdata = {
774 	{
775 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
776 		.name = "Master Playback Switch",
777 		.info = wm_master_mute_info,
778 		.get = wm_master_mute_get,
779 		.put = wm_master_mute_put
780 	},
781 	{
782 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
783 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
784 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
785 		.name = "Master Playback Volume",
786 		.info = wm_master_vol_info,
787 		.get = wm_master_vol_get,
788 		.put = wm_master_vol_put,
789 		.tlv = { .p = db_scale_wm_dac }
790 	},
791 	{
792 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
793 		.name = "Front Playback Switch",
794 		.info = wm_mute_info,
795 		.get = wm_mute_get,
796 		.put = wm_mute_put,
797 		.private_value = (2 << 8) | 0
798 	},
799 	{
800 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
801 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
802 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
803 		.name = "Front Playback Volume",
804 		.info = wm_vol_info,
805 		.get = wm_vol_get,
806 		.put = wm_vol_put,
807 		.private_value = (2 << 8) | 0,
808 		.tlv = { .p = db_scale_wm_dac }
809 	},
810 	{
811 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
812 		.name = "Rear Playback Switch",
813 		.info = wm_mute_info,
814 		.get = wm_mute_get,
815 		.put = wm_mute_put,
816 		.private_value = (2 << 8) | 2
817 	},
818 	{
819 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
820 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
821 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
822 		.name = "Rear Playback Volume",
823 		.info = wm_vol_info,
824 		.get = wm_vol_get,
825 		.put = wm_vol_put,
826 		.private_value = (2 << 8) | 2,
827 		.tlv = { .p = db_scale_wm_dac }
828 	},
829 	{
830 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
831 		.name = "Center Playback Switch",
832 		.info = wm_mute_info,
833 		.get = wm_mute_get,
834 		.put = wm_mute_put,
835 		.private_value = (1 << 8) | 4
836 	},
837 	{
838 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
839 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
840 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
841 		.name = "Center Playback Volume",
842 		.info = wm_vol_info,
843 		.get = wm_vol_get,
844 		.put = wm_vol_put,
845 		.private_value = (1 << 8) | 4,
846 		.tlv = { .p = db_scale_wm_dac }
847 	},
848 	{
849 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 		.name = "LFE Playback Switch",
851 		.info = wm_mute_info,
852 		.get = wm_mute_get,
853 		.put = wm_mute_put,
854 		.private_value = (1 << 8) | 5
855 	},
856 	{
857 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
858 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
859 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
860 		.name = "LFE Playback Volume",
861 		.info = wm_vol_info,
862 		.get = wm_vol_get,
863 		.put = wm_vol_put,
864 		.private_value = (1 << 8) | 5,
865 		.tlv = { .p = db_scale_wm_dac }
866 	},
867 	{
868 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
869 		.name = "Side Playback Switch",
870 		.info = wm_mute_info,
871 		.get = wm_mute_get,
872 		.put = wm_mute_put,
873 		.private_value = (2 << 8) | 6
874 	},
875 	{
876 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
877 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
878 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
879 		.name = "Side Playback Volume",
880 		.info = wm_vol_info,
881 		.get = wm_vol_get,
882 		.put = wm_vol_put,
883 		.private_value = (2 << 8) | 6,
884 		.tlv = { .p = db_scale_wm_dac }
885 	}
886 };
887 
888 static struct snd_kcontrol_new wm_controls[] __devinitdata = {
889 	{
890 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
891 		.name = "PCM Playback Switch",
892 		.info = wm_pcm_mute_info,
893 		.get = wm_pcm_mute_get,
894 		.put = wm_pcm_mute_put
895 	},
896 	{
897 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
898 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
899 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
900 		.name = "PCM Playback Volume",
901 		.info = wm_pcm_vol_info,
902 		.get = wm_pcm_vol_get,
903 		.put = wm_pcm_vol_put,
904 		.tlv = { .p = db_scale_wm_pcm }
905 	},
906 	{
907 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
908 		.name = "DAC Deemphasis Switch",
909 		.info = phase28_deemp_info,
910 		.get = phase28_deemp_get,
911 		.put = phase28_deemp_put
912 	},
913 	{
914 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
915 		.name = "ADC Oversampling",
916 		.info = phase28_oversampling_info,
917 		.get = phase28_oversampling_get,
918 		.put = phase28_oversampling_put
919 	}
920 };
921 
922 static int __devinit phase28_add_controls(struct snd_ice1712 *ice)
923 {
924 	unsigned int i, counts;
925 	int err;
926 
927 	counts = ARRAY_SIZE(phase28_dac_controls);
928 	for (i = 0; i < counts; i++) {
929 		err = snd_ctl_add(ice->card,
930 					snd_ctl_new1(&phase28_dac_controls[i],
931 							ice));
932 		if (err < 0)
933 			return err;
934 	}
935 
936 	for (i = 0; i < ARRAY_SIZE(wm_controls); i++) {
937 		err = snd_ctl_add(ice->card,
938 					snd_ctl_new1(&wm_controls[i], ice));
939 		if (err < 0)
940 			return err;
941 	}
942 
943 	return 0;
944 }
945 
946 struct snd_ice1712_card_info snd_vt1724_phase_cards[] __devinitdata = {
947 	{
948 		.subvendor = VT1724_SUBDEVICE_PHASE22,
949 		.name = "Terratec PHASE 22",
950 		.model = "phase22",
951 		.chip_init = phase22_init,
952 		.build_controls = phase22_add_controls,
953 		.eeprom_size = sizeof(phase22_eeprom),
954 		.eeprom_data = phase22_eeprom,
955 	},
956 	{
957 		.subvendor = VT1724_SUBDEVICE_PHASE28,
958 		.name = "Terratec PHASE 28",
959 		.model = "phase28",
960 		.chip_init = phase28_init,
961 		.build_controls = phase28_add_controls,
962 		.eeprom_size = sizeof(phase28_eeprom),
963 		.eeprom_data = phase28_eeprom,
964 	},
965 	{
966 		.subvendor = VT1724_SUBDEVICE_TS22,
967 		.name = "Terrasoniq TS22 PCI",
968 		.model = "TS22",
969 		.chip_init = phase22_init,
970 		.build_controls = phase22_add_controls,
971 		.eeprom_size = sizeof(phase22_eeprom),
972 		.eeprom_data = phase22_eeprom,
973 	},
974 	{ } /* terminator */
975 };
976