xref: /openbmc/linux/sound/pci/ice1712/phase.c (revision 1edd0337)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   ALSA driver for ICEnsemble ICE1724 (Envy24)
4  *
5  *   Lowlevel functions for Terratec PHASE 22
6  *
7  *	Copyright (c) 2005 Misha Zhilin <misha@epiphan.com>
8  */
9 
10 /* PHASE 22 overview:
11  *   Audio controller: VIA Envy24HT-S (slightly trimmed down Envy24HT, 4in/4out)
12  *   Analog chip: AK4524 (partially via Philip's 74HCT125)
13  *   Digital receiver: CS8414-CS (supported in this release)
14  *		PHASE 22 revision 2.0 and Terrasoniq/Musonik TS22PCI have CS8416
15  *		(support status unknown, please test and report)
16  *
17  *   Envy connects to AK4524
18  *	- CS directly from GPIO 10
19  *	- CCLK via 74HCT125's gate #4 from GPIO 4
20  *	- CDTI via 74HCT125's gate #2 from GPIO 5
21  *		CDTI may be completely blocked by 74HCT125's gate #1
22  *		controlled by GPIO 3
23  */
24 
25 /* PHASE 28 overview:
26  *   Audio controller: VIA Envy24HT (full untrimmed version, 4in/8out)
27  *   Analog chip: WM8770 (8 channel 192k DAC, 2 channel 96k ADC)
28  *   Digital receiver: CS8414-CS (supported in this release)
29  */
30 
31 #include <linux/delay.h>
32 #include <linux/interrupt.h>
33 #include <linux/init.h>
34 #include <linux/slab.h>
35 #include <linux/mutex.h>
36 
37 #include <sound/core.h>
38 
39 #include "ice1712.h"
40 #include "envy24ht.h"
41 #include "phase.h"
42 #include <sound/tlv.h>
43 
44 /* AC97 register cache for Phase28 */
45 struct phase28_spec {
46 	unsigned short master[2];
47 	unsigned short vol[8];
48 };
49 
50 /* WM8770 registers */
51 #define WM_DAC_ATTEN		0x00	/* DAC1-8 analog attenuation */
52 #define WM_DAC_MASTER_ATTEN	0x08	/* DAC master analog attenuation */
53 #define WM_DAC_DIG_ATTEN	0x09	/* DAC1-8 digital attenuation */
54 #define WM_DAC_DIG_MASTER_ATTEN	0x11	/* DAC master digital attenuation */
55 #define WM_PHASE_SWAP		0x12	/* DAC phase */
56 #define WM_DAC_CTRL1		0x13	/* DAC control bits */
57 #define WM_MUTE			0x14	/* mute controls */
58 #define WM_DAC_CTRL2		0x15	/* de-emphasis and zefo-flag */
59 #define WM_INT_CTRL		0x16	/* interface control */
60 #define WM_MASTER		0x17	/* master clock and mode */
61 #define WM_POWERDOWN		0x18	/* power-down controls */
62 #define WM_ADC_GAIN		0x19	/* ADC gain L(19)/R(1a) */
63 #define WM_ADC_MUX		0x1b	/* input MUX */
64 #define WM_OUT_MUX1		0x1c	/* output MUX */
65 #define WM_OUT_MUX2		0x1e	/* output MUX */
66 #define WM_RESET		0x1f	/* software reset */
67 
68 
69 /*
70  * Logarithmic volume values for WM8770
71  * Computed as 20 * Log10(255 / x)
72  */
73 static const unsigned char wm_vol[256] = {
74 	127, 48, 42, 39, 36, 34, 33, 31, 30, 29, 28, 27, 27, 26, 25, 25, 24,
75 	24, 23, 23, 22, 22, 21, 21, 21, 20, 20, 20, 19, 19, 19, 18, 18, 18, 18,
76 	17, 17, 17, 17, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14,
77 	14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11,
78 	11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9,
79 	9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7,
80 	7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5,
81 	5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
82 	4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
83 	3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
84 	2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
85 	1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
86 };
87 
88 #define WM_VOL_MAX	(sizeof(wm_vol) - 1)
89 #define WM_VOL_MUTE	0x8000
90 
91 static const struct snd_akm4xxx akm_phase22 = {
92 	.type = SND_AK4524,
93 	.num_dacs = 2,
94 	.num_adcs = 2,
95 };
96 
97 static const struct snd_ak4xxx_private akm_phase22_priv = {
98 	.caddr =	2,
99 	.cif =		1,
100 	.data_mask =	1 << 4,
101 	.clk_mask =	1 << 5,
102 	.cs_mask =	1 << 10,
103 	.cs_addr =	1 << 10,
104 	.cs_none =	0,
105 	.add_flags = 	1 << 3,
106 	.mask_flags =	0,
107 };
108 
109 static int phase22_init(struct snd_ice1712 *ice)
110 {
111 	struct snd_akm4xxx *ak;
112 	int err;
113 
114 	/* Configure DAC/ADC description for generic part of ice1724 */
115 	switch (ice->eeprom.subvendor) {
116 	case VT1724_SUBDEVICE_PHASE22:
117 	case VT1724_SUBDEVICE_TS22:
118 		ice->num_total_dacs = 2;
119 		ice->num_total_adcs = 2;
120 		ice->vt1720 = 1; /* Envy24HT-S have 16 bit wide GPIO */
121 		break;
122 	default:
123 		snd_BUG();
124 		return -EINVAL;
125 	}
126 
127 	/* Initialize analog chips */
128 	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
129 	ak = ice->akm;
130 	if (!ak)
131 		return -ENOMEM;
132 	ice->akm_codecs = 1;
133 	switch (ice->eeprom.subvendor) {
134 	case VT1724_SUBDEVICE_PHASE22:
135 	case VT1724_SUBDEVICE_TS22:
136 		err = snd_ice1712_akm4xxx_init(ak, &akm_phase22,
137 						&akm_phase22_priv, ice);
138 		if (err < 0)
139 			return err;
140 		break;
141 	}
142 
143 	return 0;
144 }
145 
146 static int phase22_add_controls(struct snd_ice1712 *ice)
147 {
148 	int err = 0;
149 
150 	switch (ice->eeprom.subvendor) {
151 	case VT1724_SUBDEVICE_PHASE22:
152 	case VT1724_SUBDEVICE_TS22:
153 		err = snd_ice1712_akm4xxx_build_controls(ice);
154 		if (err < 0)
155 			return err;
156 	}
157 	return 0;
158 }
159 
160 static const unsigned char phase22_eeprom[] = {
161 	[ICE_EEP2_SYSCONF]     = 0x28,  /* clock 512, mpu 401,
162 					spdif-in/1xADC, 1xDACs */
163 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
164 	[ICE_EEP2_I2S]         = 0xf0,	/* vol, 96k, 24bit */
165 	[ICE_EEP2_SPDIF]       = 0xc3,	/* out-en, out-int, spdif-in */
166 	[ICE_EEP2_GPIO_DIR]    = 0xff,
167 	[ICE_EEP2_GPIO_DIR1]   = 0xff,
168 	[ICE_EEP2_GPIO_DIR2]   = 0xff,
169 	[ICE_EEP2_GPIO_MASK]   = 0x00,
170 	[ICE_EEP2_GPIO_MASK1]  = 0x00,
171 	[ICE_EEP2_GPIO_MASK2]  = 0x00,
172 	[ICE_EEP2_GPIO_STATE]  = 0x00,
173 	[ICE_EEP2_GPIO_STATE1] = 0x00,
174 	[ICE_EEP2_GPIO_STATE2] = 0x00,
175 };
176 
177 static const unsigned char phase28_eeprom[] = {
178 	[ICE_EEP2_SYSCONF]     = 0x2b,  /* clock 512, mpu401,
179 					spdif-in/1xADC, 4xDACs */
180 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
181 	[ICE_EEP2_I2S]         = 0xfc,	/* vol, 96k, 24bit, 192k */
182 	[ICE_EEP2_SPDIF]       = 0xc3,	/* out-en, out-int, spdif-in */
183 	[ICE_EEP2_GPIO_DIR]    = 0xff,
184 	[ICE_EEP2_GPIO_DIR1]   = 0xff,
185 	[ICE_EEP2_GPIO_DIR2]   = 0x5f,
186 	[ICE_EEP2_GPIO_MASK]   = 0x00,
187 	[ICE_EEP2_GPIO_MASK1]  = 0x00,
188 	[ICE_EEP2_GPIO_MASK2]  = 0x00,
189 	[ICE_EEP2_GPIO_STATE]  = 0x00,
190 	[ICE_EEP2_GPIO_STATE1] = 0x00,
191 	[ICE_EEP2_GPIO_STATE2] = 0x00,
192 };
193 
194 /*
195  * write data in the SPI mode
196  */
197 static void phase28_spi_write(struct snd_ice1712 *ice, unsigned int cs,
198 				unsigned int data, int bits)
199 {
200 	unsigned int tmp;
201 	int i;
202 
203 	tmp = snd_ice1712_gpio_read(ice);
204 
205 	snd_ice1712_gpio_set_mask(ice, ~(PHASE28_WM_RW|PHASE28_SPI_MOSI|
206 					PHASE28_SPI_CLK|PHASE28_WM_CS));
207 	tmp |= PHASE28_WM_RW;
208 	tmp &= ~cs;
209 	snd_ice1712_gpio_write(ice, tmp);
210 	udelay(1);
211 
212 	for (i = bits - 1; i >= 0; i--) {
213 		tmp &= ~PHASE28_SPI_CLK;
214 		snd_ice1712_gpio_write(ice, tmp);
215 		udelay(1);
216 		if (data & (1 << i))
217 			tmp |= PHASE28_SPI_MOSI;
218 		else
219 			tmp &= ~PHASE28_SPI_MOSI;
220 		snd_ice1712_gpio_write(ice, tmp);
221 		udelay(1);
222 		tmp |= PHASE28_SPI_CLK;
223 		snd_ice1712_gpio_write(ice, tmp);
224 		udelay(1);
225 	}
226 
227 	tmp &= ~PHASE28_SPI_CLK;
228 	tmp |= cs;
229 	snd_ice1712_gpio_write(ice, tmp);
230 	udelay(1);
231 	tmp |= PHASE28_SPI_CLK;
232 	snd_ice1712_gpio_write(ice, tmp);
233 	udelay(1);
234 }
235 
236 /*
237  * get the current register value of WM codec
238  */
239 static unsigned short wm_get(struct snd_ice1712 *ice, int reg)
240 {
241 	reg <<= 1;
242 	return ((unsigned short)ice->akm[0].images[reg] << 8) |
243 		ice->akm[0].images[reg + 1];
244 }
245 
246 /*
247  * set the register value of WM codec
248  */
249 static void wm_put_nocache(struct snd_ice1712 *ice, int reg, unsigned short val)
250 {
251 	phase28_spi_write(ice, PHASE28_WM_CS, (reg << 9) | (val & 0x1ff), 16);
252 }
253 
254 /*
255  * set the register value of WM codec and remember it
256  */
257 static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
258 {
259 	wm_put_nocache(ice, reg, val);
260 	reg <<= 1;
261 	ice->akm[0].images[reg] = val >> 8;
262 	ice->akm[0].images[reg + 1] = val;
263 }
264 
265 static void wm_set_vol(struct snd_ice1712 *ice, unsigned int index,
266 			unsigned short vol, unsigned short master)
267 {
268 	unsigned char nvol;
269 
270 	if ((master & WM_VOL_MUTE) || (vol & WM_VOL_MUTE))
271 		nvol = 0;
272 	else
273 		nvol = 127 - wm_vol[(((vol & ~WM_VOL_MUTE) *
274 			(master & ~WM_VOL_MUTE)) / 127) & WM_VOL_MAX];
275 
276 	wm_put(ice, index, nvol);
277 	wm_put_nocache(ice, index, 0x180 | nvol);
278 }
279 
280 /*
281  * DAC mute control
282  */
283 #define wm_pcm_mute_info	snd_ctl_boolean_mono_info
284 
285 static int wm_pcm_mute_get(struct snd_kcontrol *kcontrol,
286 				struct snd_ctl_elem_value *ucontrol)
287 {
288 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
289 
290 	mutex_lock(&ice->gpio_mutex);
291 	ucontrol->value.integer.value[0] = (wm_get(ice, WM_MUTE) & 0x10) ?
292 						0 : 1;
293 	mutex_unlock(&ice->gpio_mutex);
294 	return 0;
295 }
296 
297 static int wm_pcm_mute_put(struct snd_kcontrol *kcontrol,
298 				struct snd_ctl_elem_value *ucontrol)
299 {
300 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
301 	unsigned short nval, oval;
302 	int change;
303 
304 	snd_ice1712_save_gpio_status(ice);
305 	oval = wm_get(ice, WM_MUTE);
306 	nval = (oval & ~0x10) | (ucontrol->value.integer.value[0] ? 0 : 0x10);
307 	change = (nval != oval);
308 	if (change)
309 		wm_put(ice, WM_MUTE, nval);
310 	snd_ice1712_restore_gpio_status(ice);
311 
312 	return change;
313 }
314 
315 /*
316  * Master volume attenuation mixer control
317  */
318 static int wm_master_vol_info(struct snd_kcontrol *kcontrol,
319 				struct snd_ctl_elem_info *uinfo)
320 {
321 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
322 	uinfo->count = 2;
323 	uinfo->value.integer.min = 0;
324 	uinfo->value.integer.max = WM_VOL_MAX;
325 	return 0;
326 }
327 
328 static int wm_master_vol_get(struct snd_kcontrol *kcontrol,
329 				struct snd_ctl_elem_value *ucontrol)
330 {
331 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
332 	struct phase28_spec *spec = ice->spec;
333 	int i;
334 	for (i = 0; i < 2; i++)
335 		ucontrol->value.integer.value[i] = spec->master[i] &
336 							~WM_VOL_MUTE;
337 	return 0;
338 }
339 
340 static int wm_master_vol_put(struct snd_kcontrol *kcontrol,
341 				struct snd_ctl_elem_value *ucontrol)
342 {
343 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
344 	struct phase28_spec *spec = ice->spec;
345 	int ch, change = 0;
346 
347 	snd_ice1712_save_gpio_status(ice);
348 	for (ch = 0; ch < 2; ch++) {
349 		unsigned int vol = ucontrol->value.integer.value[ch];
350 		if (vol > WM_VOL_MAX)
351 			continue;
352 		vol |= spec->master[ch] & WM_VOL_MUTE;
353 		if (vol != spec->master[ch]) {
354 			int dac;
355 			spec->master[ch] = vol;
356 			for (dac = 0; dac < ice->num_total_dacs; dac += 2)
357 				wm_set_vol(ice, WM_DAC_ATTEN + dac + ch,
358 					   spec->vol[dac + ch],
359 					   spec->master[ch]);
360 			change = 1;
361 		}
362 	}
363 	snd_ice1712_restore_gpio_status(ice);
364 	return change;
365 }
366 
367 static int phase28_init(struct snd_ice1712 *ice)
368 {
369 	static const unsigned short wm_inits_phase28[] = {
370 		/* These come first to reduce init pop noise */
371 		0x1b, 0x044,	/* ADC Mux (AC'97 source) */
372 		0x1c, 0x00B,	/* Out Mux1 (VOUT1 = DAC+AUX, VOUT2 = DAC) */
373 		0x1d, 0x009,	/* Out Mux2 (VOUT2 = DAC, VOUT3 = DAC) */
374 
375 		0x18, 0x000,	/* All power-up */
376 
377 		0x16, 0x122,	/* I2S, normal polarity, 24bit */
378 		0x17, 0x022,	/* 256fs, slave mode */
379 		0x00, 0,	/* DAC1 analog mute */
380 		0x01, 0,	/* DAC2 analog mute */
381 		0x02, 0,	/* DAC3 analog mute */
382 		0x03, 0,	/* DAC4 analog mute */
383 		0x04, 0,	/* DAC5 analog mute */
384 		0x05, 0,	/* DAC6 analog mute */
385 		0x06, 0,	/* DAC7 analog mute */
386 		0x07, 0,	/* DAC8 analog mute */
387 		0x08, 0x100,	/* master analog mute */
388 		0x09, 0xff,	/* DAC1 digital full */
389 		0x0a, 0xff,	/* DAC2 digital full */
390 		0x0b, 0xff,	/* DAC3 digital full */
391 		0x0c, 0xff,	/* DAC4 digital full */
392 		0x0d, 0xff,	/* DAC5 digital full */
393 		0x0e, 0xff,	/* DAC6 digital full */
394 		0x0f, 0xff,	/* DAC7 digital full */
395 		0x10, 0xff,	/* DAC8 digital full */
396 		0x11, 0x1ff,	/* master digital full */
397 		0x12, 0x000,	/* phase normal */
398 		0x13, 0x090,	/* unmute DAC L/R */
399 		0x14, 0x000,	/* all unmute */
400 		0x15, 0x000,	/* no deemphasis, no ZFLG */
401 		0x19, 0x000,	/* -12dB ADC/L */
402 		0x1a, 0x000,	/* -12dB ADC/R */
403 		(unsigned short)-1
404 	};
405 
406 	unsigned int tmp;
407 	struct snd_akm4xxx *ak;
408 	struct phase28_spec *spec;
409 	const unsigned short *p;
410 	int i;
411 
412 	ice->num_total_dacs = 8;
413 	ice->num_total_adcs = 2;
414 
415 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
416 	if (!spec)
417 		return -ENOMEM;
418 	ice->spec = spec;
419 
420 	/* Initialize analog chips */
421 	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
422 	ak = ice->akm;
423 	if (!ak)
424 		return -ENOMEM;
425 	ice->akm_codecs = 1;
426 
427 	snd_ice1712_gpio_set_dir(ice, 0x5fffff); /* fix this for time being */
428 
429 	/* reset the wm codec as the SPI mode */
430 	snd_ice1712_save_gpio_status(ice);
431 	snd_ice1712_gpio_set_mask(ice, ~(PHASE28_WM_RESET|PHASE28_WM_CS|
432 					PHASE28_HP_SEL));
433 
434 	tmp = snd_ice1712_gpio_read(ice);
435 	tmp &= ~PHASE28_WM_RESET;
436 	snd_ice1712_gpio_write(ice, tmp);
437 	udelay(1);
438 	tmp |= PHASE28_WM_CS;
439 	snd_ice1712_gpio_write(ice, tmp);
440 	udelay(1);
441 	tmp |= PHASE28_WM_RESET;
442 	snd_ice1712_gpio_write(ice, tmp);
443 	udelay(1);
444 
445 	p = wm_inits_phase28;
446 	for (; *p != (unsigned short)-1; p += 2)
447 		wm_put(ice, p[0], p[1]);
448 
449 	snd_ice1712_restore_gpio_status(ice);
450 
451 	spec->master[0] = WM_VOL_MUTE;
452 	spec->master[1] = WM_VOL_MUTE;
453 	for (i = 0; i < ice->num_total_dacs; i++) {
454 		spec->vol[i] = WM_VOL_MUTE;
455 		wm_set_vol(ice, i, spec->vol[i], spec->master[i % 2]);
456 	}
457 
458 	return 0;
459 }
460 
461 /*
462  * DAC volume attenuation mixer control
463  */
464 static int wm_vol_info(struct snd_kcontrol *kcontrol,
465 			struct snd_ctl_elem_info *uinfo)
466 {
467 	int voices = kcontrol->private_value >> 8;
468 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
469 	uinfo->count = voices;
470 	uinfo->value.integer.min = 0;		/* mute (-101dB) */
471 	uinfo->value.integer.max = 0x7F;	/* 0dB */
472 	return 0;
473 }
474 
475 static int wm_vol_get(struct snd_kcontrol *kcontrol,
476 			struct snd_ctl_elem_value *ucontrol)
477 {
478 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
479 	struct phase28_spec *spec = ice->spec;
480 	int i, ofs, voices;
481 
482 	voices = kcontrol->private_value >> 8;
483 	ofs = kcontrol->private_value & 0xff;
484 	for (i = 0; i < voices; i++)
485 		ucontrol->value.integer.value[i] =
486 			spec->vol[ofs+i] & ~WM_VOL_MUTE;
487 	return 0;
488 }
489 
490 static int wm_vol_put(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, idx, ofs, voices;
496 	int change = 0;
497 
498 	voices = kcontrol->private_value >> 8;
499 	ofs = kcontrol->private_value & 0xff;
500 	snd_ice1712_save_gpio_status(ice);
501 	for (i = 0; i < voices; i++) {
502 		unsigned int vol;
503 		vol = ucontrol->value.integer.value[i];
504 		if (vol > 0x7f)
505 			continue;
506 		vol |= spec->vol[ofs+i] & WM_VOL_MUTE;
507 		if (vol != spec->vol[ofs+i]) {
508 			spec->vol[ofs+i] = vol;
509 			idx  = WM_DAC_ATTEN + ofs + i;
510 			wm_set_vol(ice, idx, spec->vol[ofs+i],
511 				   spec->master[i]);
512 			change = 1;
513 		}
514 	}
515 	snd_ice1712_restore_gpio_status(ice);
516 	return change;
517 }
518 
519 /*
520  * WM8770 mute control
521  */
522 static int wm_mute_info(struct snd_kcontrol *kcontrol,
523 			struct snd_ctl_elem_info *uinfo) {
524 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
525 	uinfo->count = kcontrol->private_value >> 8;
526 	uinfo->value.integer.min = 0;
527 	uinfo->value.integer.max = 1;
528 	return 0;
529 }
530 
531 static int wm_mute_get(struct snd_kcontrol *kcontrol,
532 			struct snd_ctl_elem_value *ucontrol)
533 {
534 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
535 	struct phase28_spec *spec = ice->spec;
536 	int voices, ofs, i;
537 
538 	voices = kcontrol->private_value >> 8;
539 	ofs = kcontrol->private_value & 0xFF;
540 
541 	for (i = 0; i < voices; i++)
542 		ucontrol->value.integer.value[i] =
543 			(spec->vol[ofs+i] & WM_VOL_MUTE) ? 0 : 1;
544 	return 0;
545 }
546 
547 static int wm_mute_put(struct snd_kcontrol *kcontrol,
548 			struct snd_ctl_elem_value *ucontrol)
549 {
550 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
551 	struct phase28_spec *spec = ice->spec;
552 	int change = 0, voices, ofs, i;
553 
554 	voices = kcontrol->private_value >> 8;
555 	ofs = kcontrol->private_value & 0xFF;
556 
557 	snd_ice1712_save_gpio_status(ice);
558 	for (i = 0; i < voices; i++) {
559 		int val = (spec->vol[ofs + i] & WM_VOL_MUTE) ? 0 : 1;
560 		if (ucontrol->value.integer.value[i] != val) {
561 			spec->vol[ofs + i] &= ~WM_VOL_MUTE;
562 			spec->vol[ofs + i] |=
563 				ucontrol->value.integer.value[i] ? 0 :
564 				WM_VOL_MUTE;
565 			wm_set_vol(ice, ofs + i, spec->vol[ofs + i],
566 					spec->master[i]);
567 			change = 1;
568 		}
569 	}
570 	snd_ice1712_restore_gpio_status(ice);
571 
572 	return change;
573 }
574 
575 /*
576  * WM8770 master mute control
577  */
578 #define wm_master_mute_info		snd_ctl_boolean_stereo_info
579 
580 static int wm_master_mute_get(struct snd_kcontrol *kcontrol,
581 				struct snd_ctl_elem_value *ucontrol)
582 {
583 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
584 	struct phase28_spec *spec = ice->spec;
585 
586 	ucontrol->value.integer.value[0] =
587 		(spec->master[0] & WM_VOL_MUTE) ? 0 : 1;
588 	ucontrol->value.integer.value[1] =
589 		(spec->master[1] & WM_VOL_MUTE) ? 0 : 1;
590 	return 0;
591 }
592 
593 static int wm_master_mute_put(struct snd_kcontrol *kcontrol,
594 				struct snd_ctl_elem_value *ucontrol)
595 {
596 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
597 	struct phase28_spec *spec = ice->spec;
598 	int change = 0, i;
599 
600 	snd_ice1712_save_gpio_status(ice);
601 	for (i = 0; i < 2; i++) {
602 		int val = (spec->master[i] & WM_VOL_MUTE) ? 0 : 1;
603 		if (ucontrol->value.integer.value[i] != val) {
604 			int dac;
605 			spec->master[i] &= ~WM_VOL_MUTE;
606 			spec->master[i] |=
607 				ucontrol->value.integer.value[i] ? 0 :
608 				WM_VOL_MUTE;
609 			for (dac = 0; dac < ice->num_total_dacs; dac += 2)
610 				wm_set_vol(ice, WM_DAC_ATTEN + dac + i,
611 						spec->vol[dac + i],
612 						spec->master[i]);
613 			change = 1;
614 		}
615 	}
616 	snd_ice1712_restore_gpio_status(ice);
617 
618 	return change;
619 }
620 
621 /* digital master volume */
622 #define PCM_0dB 0xff
623 #define PCM_RES 128	/* -64dB */
624 #define PCM_MIN (PCM_0dB - PCM_RES)
625 static int wm_pcm_vol_info(struct snd_kcontrol *kcontrol,
626 				struct snd_ctl_elem_info *uinfo)
627 {
628 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
629 	uinfo->count = 1;
630 	uinfo->value.integer.min = 0;		/* mute (-64dB) */
631 	uinfo->value.integer.max = PCM_RES;	/* 0dB */
632 	return 0;
633 }
634 
635 static int wm_pcm_vol_get(struct snd_kcontrol *kcontrol,
636 				struct snd_ctl_elem_value *ucontrol)
637 {
638 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
639 	unsigned short val;
640 
641 	mutex_lock(&ice->gpio_mutex);
642 	val = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
643 	val = val > PCM_MIN ? (val - PCM_MIN) : 0;
644 	ucontrol->value.integer.value[0] = val;
645 	mutex_unlock(&ice->gpio_mutex);
646 	return 0;
647 }
648 
649 static int wm_pcm_vol_put(struct snd_kcontrol *kcontrol,
650 				struct snd_ctl_elem_value *ucontrol)
651 {
652 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
653 	unsigned short ovol, nvol;
654 	int change = 0;
655 
656 	nvol = ucontrol->value.integer.value[0];
657 	if (nvol > PCM_RES)
658 		return -EINVAL;
659 	snd_ice1712_save_gpio_status(ice);
660 	nvol = (nvol ? (nvol + PCM_MIN) : 0) & 0xff;
661 	ovol = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
662 	if (ovol != nvol) {
663 		wm_put(ice, WM_DAC_DIG_MASTER_ATTEN, nvol); /* prelatch */
664 		/* update */
665 		wm_put_nocache(ice, WM_DAC_DIG_MASTER_ATTEN, nvol | 0x100);
666 		change = 1;
667 	}
668 	snd_ice1712_restore_gpio_status(ice);
669 	return change;
670 }
671 
672 /*
673  * Deemphasis
674  */
675 #define phase28_deemp_info	snd_ctl_boolean_mono_info
676 
677 static int phase28_deemp_get(struct snd_kcontrol *kcontrol,
678 				struct snd_ctl_elem_value *ucontrol)
679 {
680 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
681 	ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL2) & 0xf) ==
682 						0xf;
683 	return 0;
684 }
685 
686 static int phase28_deemp_put(struct snd_kcontrol *kcontrol,
687 				struct snd_ctl_elem_value *ucontrol)
688 {
689 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
690 	int temp, temp2;
691 	temp = wm_get(ice, WM_DAC_CTRL2);
692 	temp2 = temp;
693 	if (ucontrol->value.integer.value[0])
694 		temp |= 0xf;
695 	else
696 		temp &= ~0xf;
697 	if (temp != temp2) {
698 		wm_put(ice, WM_DAC_CTRL2, temp);
699 		return 1;
700 	}
701 	return 0;
702 }
703 
704 /*
705  * ADC Oversampling
706  */
707 static int phase28_oversampling_info(struct snd_kcontrol *k,
708 					struct snd_ctl_elem_info *uinfo)
709 {
710 	static const char * const texts[2] = { "128x", "64x"	};
711 
712 	return snd_ctl_enum_info(uinfo, 1, 2, texts);
713 }
714 
715 static int phase28_oversampling_get(struct snd_kcontrol *kcontrol,
716 					struct snd_ctl_elem_value *ucontrol)
717 {
718 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
719 	ucontrol->value.enumerated.item[0] = (wm_get(ice, WM_MASTER) & 0x8) ==
720 						0x8;
721 	return 0;
722 }
723 
724 static int phase28_oversampling_put(struct snd_kcontrol *kcontrol,
725 					struct snd_ctl_elem_value *ucontrol)
726 {
727 	int temp, temp2;
728 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
729 
730 	temp = wm_get(ice, WM_MASTER);
731 	temp2 = temp;
732 
733 	if (ucontrol->value.enumerated.item[0])
734 		temp |= 0x8;
735 	else
736 		temp &= ~0x8;
737 
738 	if (temp != temp2) {
739 		wm_put(ice, WM_MASTER, temp);
740 		return 1;
741 	}
742 	return 0;
743 }
744 
745 static const DECLARE_TLV_DB_SCALE(db_scale_wm_dac, -12700, 100, 1);
746 static const DECLARE_TLV_DB_SCALE(db_scale_wm_pcm, -6400, 50, 1);
747 
748 static const struct snd_kcontrol_new phase28_dac_controls[] = {
749 	{
750 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
751 		.name = "Master Playback Switch",
752 		.info = wm_master_mute_info,
753 		.get = wm_master_mute_get,
754 		.put = wm_master_mute_put
755 	},
756 	{
757 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
758 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
759 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
760 		.name = "Master Playback Volume",
761 		.info = wm_master_vol_info,
762 		.get = wm_master_vol_get,
763 		.put = wm_master_vol_put,
764 		.tlv = { .p = db_scale_wm_dac }
765 	},
766 	{
767 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
768 		.name = "Front Playback Switch",
769 		.info = wm_mute_info,
770 		.get = wm_mute_get,
771 		.put = wm_mute_put,
772 		.private_value = (2 << 8) | 0
773 	},
774 	{
775 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
776 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
777 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
778 		.name = "Front Playback Volume",
779 		.info = wm_vol_info,
780 		.get = wm_vol_get,
781 		.put = wm_vol_put,
782 		.private_value = (2 << 8) | 0,
783 		.tlv = { .p = db_scale_wm_dac }
784 	},
785 	{
786 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
787 		.name = "Rear Playback Switch",
788 		.info = wm_mute_info,
789 		.get = wm_mute_get,
790 		.put = wm_mute_put,
791 		.private_value = (2 << 8) | 2
792 	},
793 	{
794 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
795 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
796 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
797 		.name = "Rear Playback Volume",
798 		.info = wm_vol_info,
799 		.get = wm_vol_get,
800 		.put = wm_vol_put,
801 		.private_value = (2 << 8) | 2,
802 		.tlv = { .p = db_scale_wm_dac }
803 	},
804 	{
805 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
806 		.name = "Center Playback Switch",
807 		.info = wm_mute_info,
808 		.get = wm_mute_get,
809 		.put = wm_mute_put,
810 		.private_value = (1 << 8) | 4
811 	},
812 	{
813 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
814 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
815 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
816 		.name = "Center Playback Volume",
817 		.info = wm_vol_info,
818 		.get = wm_vol_get,
819 		.put = wm_vol_put,
820 		.private_value = (1 << 8) | 4,
821 		.tlv = { .p = db_scale_wm_dac }
822 	},
823 	{
824 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
825 		.name = "LFE Playback Switch",
826 		.info = wm_mute_info,
827 		.get = wm_mute_get,
828 		.put = wm_mute_put,
829 		.private_value = (1 << 8) | 5
830 	},
831 	{
832 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
833 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
834 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
835 		.name = "LFE Playback Volume",
836 		.info = wm_vol_info,
837 		.get = wm_vol_get,
838 		.put = wm_vol_put,
839 		.private_value = (1 << 8) | 5,
840 		.tlv = { .p = db_scale_wm_dac }
841 	},
842 	{
843 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
844 		.name = "Side Playback Switch",
845 		.info = wm_mute_info,
846 		.get = wm_mute_get,
847 		.put = wm_mute_put,
848 		.private_value = (2 << 8) | 6
849 	},
850 	{
851 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
852 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
853 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
854 		.name = "Side Playback Volume",
855 		.info = wm_vol_info,
856 		.get = wm_vol_get,
857 		.put = wm_vol_put,
858 		.private_value = (2 << 8) | 6,
859 		.tlv = { .p = db_scale_wm_dac }
860 	}
861 };
862 
863 static const struct snd_kcontrol_new wm_controls[] = {
864 	{
865 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
866 		.name = "PCM Playback Switch",
867 		.info = wm_pcm_mute_info,
868 		.get = wm_pcm_mute_get,
869 		.put = wm_pcm_mute_put
870 	},
871 	{
872 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
873 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
874 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
875 		.name = "PCM Playback Volume",
876 		.info = wm_pcm_vol_info,
877 		.get = wm_pcm_vol_get,
878 		.put = wm_pcm_vol_put,
879 		.tlv = { .p = db_scale_wm_pcm }
880 	},
881 	{
882 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
883 		.name = "DAC Deemphasis Switch",
884 		.info = phase28_deemp_info,
885 		.get = phase28_deemp_get,
886 		.put = phase28_deemp_put
887 	},
888 	{
889 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
890 		.name = "ADC Oversampling",
891 		.info = phase28_oversampling_info,
892 		.get = phase28_oversampling_get,
893 		.put = phase28_oversampling_put
894 	}
895 };
896 
897 static int phase28_add_controls(struct snd_ice1712 *ice)
898 {
899 	unsigned int i, counts;
900 	int err;
901 
902 	counts = ARRAY_SIZE(phase28_dac_controls);
903 	for (i = 0; i < counts; i++) {
904 		err = snd_ctl_add(ice->card,
905 					snd_ctl_new1(&phase28_dac_controls[i],
906 							ice));
907 		if (err < 0)
908 			return err;
909 	}
910 
911 	for (i = 0; i < ARRAY_SIZE(wm_controls); i++) {
912 		err = snd_ctl_add(ice->card,
913 					snd_ctl_new1(&wm_controls[i], ice));
914 		if (err < 0)
915 			return err;
916 	}
917 
918 	return 0;
919 }
920 
921 struct snd_ice1712_card_info snd_vt1724_phase_cards[] = {
922 	{
923 		.subvendor = VT1724_SUBDEVICE_PHASE22,
924 		.name = "Terratec PHASE 22",
925 		.model = "phase22",
926 		.chip_init = phase22_init,
927 		.build_controls = phase22_add_controls,
928 		.eeprom_size = sizeof(phase22_eeprom),
929 		.eeprom_data = phase22_eeprom,
930 	},
931 	{
932 		.subvendor = VT1724_SUBDEVICE_PHASE28,
933 		.name = "Terratec PHASE 28",
934 		.model = "phase28",
935 		.chip_init = phase28_init,
936 		.build_controls = phase28_add_controls,
937 		.eeprom_size = sizeof(phase28_eeprom),
938 		.eeprom_data = phase28_eeprom,
939 	},
940 	{
941 		.subvendor = VT1724_SUBDEVICE_TS22,
942 		.name = "Terrasoniq TS22 PCI",
943 		.model = "TS22",
944 		.chip_init = phase22_init,
945 		.build_controls = phase22_add_controls,
946 		.eeprom_size = sizeof(phase22_eeprom),
947 		.eeprom_data = phase22_eeprom,
948 	},
949 	{ } /* terminator */
950 };
951