xref: /openbmc/linux/sound/pci/ice1712/prodigy_hifi.c (revision b593bce5)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   ALSA driver for ICEnsemble VT1724 (Envy24HT)
4  *
5  *   Lowlevel functions for Audiotrak Prodigy 7.1 Hifi
6  *   based on pontis.c
7  *
8  *      Copyright (c) 2007 Julian Scheel <julian@jusst.de>
9  *      Copyright (c) 2007 allank
10  *      Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
11  */
12 
13 
14 #include <linux/delay.h>
15 #include <linux/interrupt.h>
16 #include <linux/init.h>
17 #include <linux/slab.h>
18 #include <linux/mutex.h>
19 
20 #include <sound/core.h>
21 #include <sound/info.h>
22 #include <sound/tlv.h>
23 
24 #include "ice1712.h"
25 #include "envy24ht.h"
26 #include "prodigy_hifi.h"
27 
28 struct prodigy_hifi_spec {
29 	unsigned short master[2];
30 	unsigned short vol[8];
31 };
32 
33 /* I2C addresses */
34 #define WM_DEV		0x34
35 
36 /* WM8776 registers */
37 #define WM_HP_ATTEN_L		0x00	/* headphone left attenuation */
38 #define WM_HP_ATTEN_R		0x01	/* headphone left attenuation */
39 #define WM_HP_MASTER		0x02	/* headphone master (both channels),
40 						override LLR */
41 #define WM_DAC_ATTEN_L		0x03	/* digital left attenuation */
42 #define WM_DAC_ATTEN_R		0x04
43 #define WM_DAC_MASTER		0x05
44 #define WM_PHASE_SWAP		0x06	/* DAC phase swap */
45 #define WM_DAC_CTRL1		0x07
46 #define WM_DAC_MUTE		0x08
47 #define WM_DAC_CTRL2		0x09
48 #define WM_DAC_INT		0x0a
49 #define WM_ADC_INT		0x0b
50 #define WM_MASTER_CTRL		0x0c
51 #define WM_POWERDOWN		0x0d
52 #define WM_ADC_ATTEN_L		0x0e
53 #define WM_ADC_ATTEN_R		0x0f
54 #define WM_ALC_CTRL1		0x10
55 #define WM_ALC_CTRL2		0x11
56 #define WM_ALC_CTRL3		0x12
57 #define WM_NOISE_GATE		0x13
58 #define WM_LIMITER		0x14
59 #define WM_ADC_MUX		0x15
60 #define WM_OUT_MUX		0x16
61 #define WM_RESET		0x17
62 
63 /* Analog Recording Source :- Mic, LineIn, CD/Video, */
64 
65 /* implement capture source select control for WM8776 */
66 
67 #define WM_AIN1 "AIN1"
68 #define WM_AIN2 "AIN2"
69 #define WM_AIN3 "AIN3"
70 #define WM_AIN4 "AIN4"
71 #define WM_AIN5 "AIN5"
72 
73 /* GPIO pins of envy24ht connected to wm8766 */
74 #define WM8766_SPI_CLK	 (1<<17) /* CLK, Pin97 on ICE1724 */
75 #define WM8766_SPI_MD	  (1<<16) /* DATA VT1724 -> WM8766, Pin96 */
76 #define WM8766_SPI_ML	  (1<<18) /* Latch, Pin98 */
77 
78 /* WM8766 registers */
79 #define WM8766_DAC_CTRL	 0x02   /* DAC Control */
80 #define WM8766_INT_CTRL	 0x03   /* Interface Control */
81 #define WM8766_DAC_CTRL2	0x09
82 #define WM8766_DAC_CTRL3	0x0a
83 #define WM8766_RESET	    0x1f
84 #define WM8766_LDA1	     0x00
85 #define WM8766_LDA2	     0x04
86 #define WM8766_LDA3	     0x06
87 #define WM8766_RDA1	     0x01
88 #define WM8766_RDA2	     0x05
89 #define WM8766_RDA3	     0x07
90 #define WM8766_MUTE1	    0x0C
91 #define WM8766_MUTE2	    0x0F
92 
93 
94 /*
95  * Prodigy HD2
96  */
97 #define AK4396_ADDR    0x00
98 #define AK4396_CSN    (1 << 8)    /* CSN->GPIO8, pin 75 */
99 #define AK4396_CCLK   (1 << 9)    /* CCLK->GPIO9, pin 76 */
100 #define AK4396_CDTI   (1 << 10)   /* CDTI->GPIO10, pin 77 */
101 
102 /* ak4396 registers */
103 #define AK4396_CTRL1	    0x00
104 #define AK4396_CTRL2	    0x01
105 #define AK4396_CTRL3	    0x02
106 #define AK4396_LCH_ATT	  0x03
107 #define AK4396_RCH_ATT	  0x04
108 
109 
110 /*
111  * get the current register value of WM codec
112  */
113 static unsigned short wm_get(struct snd_ice1712 *ice, int reg)
114 {
115 	reg <<= 1;
116 	return ((unsigned short)ice->akm[0].images[reg] << 8) |
117 		ice->akm[0].images[reg + 1];
118 }
119 
120 /*
121  * set the register value of WM codec and remember it
122  */
123 static void wm_put_nocache(struct snd_ice1712 *ice, int reg, unsigned short val)
124 {
125 	unsigned short cval;
126 	cval = (reg << 9) | val;
127 	snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
128 }
129 
130 static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
131 {
132 	wm_put_nocache(ice, reg, val);
133 	reg <<= 1;
134 	ice->akm[0].images[reg] = val >> 8;
135 	ice->akm[0].images[reg + 1] = val;
136 }
137 
138 /*
139  * write data in the SPI mode
140  */
141 
142 static void set_gpio_bit(struct snd_ice1712 *ice, unsigned int bit, int val)
143 {
144 	unsigned int tmp = snd_ice1712_gpio_read(ice);
145 	if (val)
146 		tmp |= bit;
147 	else
148 		tmp &= ~bit;
149 	snd_ice1712_gpio_write(ice, tmp);
150 }
151 
152 /*
153  * SPI implementation for WM8766 codec - only writing supported, no readback
154  */
155 
156 static void wm8766_spi_send_word(struct snd_ice1712 *ice, unsigned int data)
157 {
158 	int i;
159 	for (i = 0; i < 16; i++) {
160 		set_gpio_bit(ice, WM8766_SPI_CLK, 0);
161 		udelay(1);
162 		set_gpio_bit(ice, WM8766_SPI_MD, data & 0x8000);
163 		udelay(1);
164 		set_gpio_bit(ice, WM8766_SPI_CLK, 1);
165 		udelay(1);
166 		data <<= 1;
167 	}
168 }
169 
170 static void wm8766_spi_write(struct snd_ice1712 *ice, unsigned int reg,
171 			     unsigned int data)
172 {
173 	unsigned int block;
174 
175 	snd_ice1712_gpio_set_dir(ice, WM8766_SPI_MD|
176 					WM8766_SPI_CLK|WM8766_SPI_ML);
177 	snd_ice1712_gpio_set_mask(ice, ~(WM8766_SPI_MD|
178 					WM8766_SPI_CLK|WM8766_SPI_ML));
179 	/* latch must be low when writing */
180 	set_gpio_bit(ice, WM8766_SPI_ML, 0);
181 	block = (reg << 9) | (data & 0x1ff);
182 	wm8766_spi_send_word(ice, block); /* REGISTER ADDRESS */
183 	/* release latch */
184 	set_gpio_bit(ice, WM8766_SPI_ML, 1);
185 	udelay(1);
186 	/* restore */
187 	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
188 	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
189 }
190 
191 
192 /*
193  * serial interface for ak4396 - only writing supported, no readback
194  */
195 
196 static void ak4396_send_word(struct snd_ice1712 *ice, unsigned int data)
197 {
198 	int i;
199 	for (i = 0; i < 16; i++) {
200 		set_gpio_bit(ice, AK4396_CCLK, 0);
201 		udelay(1);
202 		set_gpio_bit(ice, AK4396_CDTI, data & 0x8000);
203 		udelay(1);
204 		set_gpio_bit(ice, AK4396_CCLK, 1);
205 		udelay(1);
206 		data <<= 1;
207 	}
208 }
209 
210 static void ak4396_write(struct snd_ice1712 *ice, unsigned int reg,
211 			 unsigned int data)
212 {
213 	unsigned int block;
214 
215 	snd_ice1712_gpio_set_dir(ice, AK4396_CSN|AK4396_CCLK|AK4396_CDTI);
216 	snd_ice1712_gpio_set_mask(ice, ~(AK4396_CSN|AK4396_CCLK|AK4396_CDTI));
217 	/* latch must be low when writing */
218 	set_gpio_bit(ice, AK4396_CSN, 0);
219 	block =  ((AK4396_ADDR & 0x03) << 14) | (1 << 13) |
220 			((reg & 0x1f) << 8) | (data & 0xff);
221 	ak4396_send_word(ice, block); /* REGISTER ADDRESS */
222 	/* release latch */
223 	set_gpio_bit(ice, AK4396_CSN, 1);
224 	udelay(1);
225 	/* restore */
226 	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
227 	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
228 }
229 
230 
231 /*
232  * ak4396 mixers
233  */
234 
235 
236 
237 /*
238  * DAC volume attenuation mixer control (-64dB to 0dB)
239  */
240 
241 static int ak4396_dac_vol_info(struct snd_kcontrol *kcontrol,
242 			       struct snd_ctl_elem_info *uinfo)
243 {
244 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
245 	uinfo->count = 2;
246 	uinfo->value.integer.min = 0;   /* mute */
247 	uinfo->value.integer.max = 0xFF; /* linear */
248 	return 0;
249 }
250 
251 static int ak4396_dac_vol_get(struct snd_kcontrol *kcontrol,
252 			      struct snd_ctl_elem_value *ucontrol)
253 {
254 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
255 	struct prodigy_hifi_spec *spec = ice->spec;
256 	int i;
257 
258 	for (i = 0; i < 2; i++)
259 		ucontrol->value.integer.value[i] = spec->vol[i];
260 
261 	return 0;
262 }
263 
264 static int ak4396_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
265 {
266 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
267 	struct prodigy_hifi_spec *spec = ice->spec;
268 	int i;
269 	int change = 0;
270 
271 	mutex_lock(&ice->gpio_mutex);
272 	for (i = 0; i < 2; i++) {
273 		if (ucontrol->value.integer.value[i] != spec->vol[i]) {
274 			spec->vol[i] = ucontrol->value.integer.value[i];
275 			ak4396_write(ice, AK4396_LCH_ATT + i,
276 				     spec->vol[i] & 0xff);
277 			change = 1;
278 		}
279 	}
280 	mutex_unlock(&ice->gpio_mutex);
281 	return change;
282 }
283 
284 static const DECLARE_TLV_DB_SCALE(db_scale_wm_dac, -12700, 100, 1);
285 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
286 
287 static struct snd_kcontrol_new prodigy_hd2_controls[] = {
288     {
289 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
290 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
291 		SNDRV_CTL_ELEM_ACCESS_TLV_READ),
292 	.name = "Front Playback Volume",
293 	.info = ak4396_dac_vol_info,
294 	.get = ak4396_dac_vol_get,
295 	.put = ak4396_dac_vol_put,
296 	.tlv = { .p = ak4396_db_scale },
297     },
298 };
299 
300 
301 /* --------------- */
302 
303 #define WM_VOL_MAX	255
304 #define WM_VOL_MUTE	0x8000
305 
306 
307 #define DAC_0dB	0xff
308 #define DAC_RES	128
309 #define DAC_MIN	(DAC_0dB - DAC_RES)
310 
311 
312 static void wm_set_vol(struct snd_ice1712 *ice, unsigned int index,
313 		       unsigned short vol, unsigned short master)
314 {
315 	unsigned char nvol;
316 
317 	if ((master & WM_VOL_MUTE) || (vol & WM_VOL_MUTE))
318 		nvol = 0;
319 	else {
320 		nvol = (((vol & ~WM_VOL_MUTE) * (master & ~WM_VOL_MUTE)) / 128)
321 				& WM_VOL_MAX;
322 		nvol = (nvol ? (nvol + DAC_MIN) : 0) & 0xff;
323 	}
324 
325 	wm_put(ice, index, nvol);
326 	wm_put_nocache(ice, index, 0x100 | nvol);
327 }
328 
329 static void wm8766_set_vol(struct snd_ice1712 *ice, unsigned int index,
330 			   unsigned short vol, unsigned short master)
331 {
332 	unsigned char nvol;
333 
334 	if ((master & WM_VOL_MUTE) || (vol & WM_VOL_MUTE))
335 		nvol = 0;
336 	else {
337 		nvol = (((vol & ~WM_VOL_MUTE) * (master & ~WM_VOL_MUTE)) / 128)
338 				& WM_VOL_MAX;
339 		nvol = (nvol ? (nvol + DAC_MIN) : 0) & 0xff;
340 	}
341 
342 	wm8766_spi_write(ice, index, (0x0100 | nvol));
343 }
344 
345 
346 /*
347  * DAC volume attenuation mixer control (-64dB to 0dB)
348  */
349 
350 static int wm_dac_vol_info(struct snd_kcontrol *kcontrol,
351 			   struct snd_ctl_elem_info *uinfo)
352 {
353 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
354 	uinfo->count = 2;
355 	uinfo->value.integer.min = 0;	/* mute */
356 	uinfo->value.integer.max = DAC_RES;	/* 0dB, 0.5dB step */
357 	return 0;
358 }
359 
360 static int wm_dac_vol_get(struct snd_kcontrol *kcontrol,
361 			  struct snd_ctl_elem_value *ucontrol)
362 {
363 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
364 	struct prodigy_hifi_spec *spec = ice->spec;
365 	int i;
366 
367 	for (i = 0; i < 2; i++)
368 		ucontrol->value.integer.value[i] =
369 			spec->vol[2 + i] & ~WM_VOL_MUTE;
370 	return 0;
371 }
372 
373 static int wm_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
374 {
375 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
376 	struct prodigy_hifi_spec *spec = ice->spec;
377 	int i, idx, change = 0;
378 
379 	mutex_lock(&ice->gpio_mutex);
380 	for (i = 0; i < 2; i++) {
381 		if (ucontrol->value.integer.value[i] != spec->vol[2 + i]) {
382 			idx = WM_DAC_ATTEN_L + i;
383 			spec->vol[2 + i] &= WM_VOL_MUTE;
384 			spec->vol[2 + i] |= ucontrol->value.integer.value[i];
385 			wm_set_vol(ice, idx, spec->vol[2 + i], spec->master[i]);
386 			change = 1;
387 		}
388 	}
389 	mutex_unlock(&ice->gpio_mutex);
390 	return change;
391 }
392 
393 
394 /*
395  * WM8766 DAC volume attenuation mixer control
396  */
397 static int wm8766_vol_info(struct snd_kcontrol *kcontrol,
398 			   struct snd_ctl_elem_info *uinfo)
399 {
400 	int voices = kcontrol->private_value >> 8;
401 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
402 	uinfo->count = voices;
403 	uinfo->value.integer.min = 0;		/* mute */
404 	uinfo->value.integer.max = DAC_RES;	/* 0dB */
405 	return 0;
406 }
407 
408 static int wm8766_vol_get(struct snd_kcontrol *kcontrol,
409 			  struct snd_ctl_elem_value *ucontrol)
410 {
411 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
412 	struct prodigy_hifi_spec *spec = ice->spec;
413 	int i, ofs, voices;
414 
415 	voices = kcontrol->private_value >> 8;
416 	ofs = kcontrol->private_value & 0xff;
417 	for (i = 0; i < voices; i++)
418 		ucontrol->value.integer.value[i] = spec->vol[ofs + i];
419 	return 0;
420 }
421 
422 static int wm8766_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
423 {
424 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
425 	struct prodigy_hifi_spec *spec = ice->spec;
426 	int i, idx, ofs, voices;
427 	int change = 0;
428 
429 	voices = kcontrol->private_value >> 8;
430 	ofs = kcontrol->private_value & 0xff;
431 	mutex_lock(&ice->gpio_mutex);
432 	for (i = 0; i < voices; i++) {
433 		if (ucontrol->value.integer.value[i] != spec->vol[ofs + i]) {
434 			idx = WM8766_LDA1 + ofs + i;
435 			spec->vol[ofs + i] &= WM_VOL_MUTE;
436 			spec->vol[ofs + i] |= ucontrol->value.integer.value[i];
437 			wm8766_set_vol(ice, idx,
438 				       spec->vol[ofs + i], spec->master[i]);
439 			change = 1;
440 		}
441 	}
442 	mutex_unlock(&ice->gpio_mutex);
443 	return change;
444 }
445 
446 /*
447  * Master volume attenuation mixer control / applied to WM8776+WM8766
448  */
449 static int wm_master_vol_info(struct snd_kcontrol *kcontrol,
450 			      struct snd_ctl_elem_info *uinfo)
451 {
452 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
453 	uinfo->count = 2;
454 	uinfo->value.integer.min = 0;
455 	uinfo->value.integer.max = DAC_RES;
456 	return 0;
457 }
458 
459 static int wm_master_vol_get(struct snd_kcontrol *kcontrol,
460 			     struct snd_ctl_elem_value *ucontrol)
461 {
462 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
463 	struct prodigy_hifi_spec *spec = ice->spec;
464 	int i;
465 	for (i = 0; i < 2; i++)
466 		ucontrol->value.integer.value[i] = spec->master[i];
467 	return 0;
468 }
469 
470 static int wm_master_vol_put(struct snd_kcontrol *kcontrol,
471 			     struct snd_ctl_elem_value *ucontrol)
472 {
473 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
474 	struct prodigy_hifi_spec *spec = ice->spec;
475 	int ch, change = 0;
476 
477 	mutex_lock(&ice->gpio_mutex);
478 	for (ch = 0; ch < 2; ch++) {
479 		if (ucontrol->value.integer.value[ch] != spec->master[ch]) {
480 			spec->master[ch] = ucontrol->value.integer.value[ch];
481 
482 			/* Apply to front DAC */
483 			wm_set_vol(ice, WM_DAC_ATTEN_L + ch,
484 				   spec->vol[2 + ch], spec->master[ch]);
485 
486 			wm8766_set_vol(ice, WM8766_LDA1 + ch,
487 				       spec->vol[0 + ch], spec->master[ch]);
488 
489 			wm8766_set_vol(ice, WM8766_LDA2 + ch,
490 				       spec->vol[4 + ch], spec->master[ch]);
491 
492 			wm8766_set_vol(ice, WM8766_LDA3 + ch,
493 				       spec->vol[6 + ch], spec->master[ch]);
494 			change = 1;
495 		}
496 	}
497 	mutex_unlock(&ice->gpio_mutex);
498 	return change;
499 }
500 
501 
502 /* KONSTI */
503 
504 static int wm_adc_mux_enum_info(struct snd_kcontrol *kcontrol,
505 				struct snd_ctl_elem_info *uinfo)
506 {
507 	static const char * const texts[32] = {
508 		"NULL", WM_AIN1, WM_AIN2, WM_AIN1 "+" WM_AIN2,
509 		WM_AIN3, WM_AIN1 "+" WM_AIN3, WM_AIN2 "+" WM_AIN3,
510 		WM_AIN1 "+" WM_AIN2 "+" WM_AIN3,
511 		WM_AIN4, WM_AIN1 "+" WM_AIN4, WM_AIN2 "+" WM_AIN4,
512 		WM_AIN1 "+" WM_AIN2 "+" WM_AIN4,
513 		WM_AIN3 "+" WM_AIN4, WM_AIN1 "+" WM_AIN3 "+" WM_AIN4,
514 		WM_AIN2 "+" WM_AIN3 "+" WM_AIN4,
515 		WM_AIN1 "+" WM_AIN2 "+" WM_AIN3 "+" WM_AIN4,
516 		WM_AIN5, WM_AIN1 "+" WM_AIN5, WM_AIN2 "+" WM_AIN5,
517 		WM_AIN1 "+" WM_AIN2 "+" WM_AIN5,
518 		WM_AIN3 "+" WM_AIN5, WM_AIN1 "+" WM_AIN3 "+" WM_AIN5,
519 		WM_AIN2 "+" WM_AIN3 "+" WM_AIN5,
520 		WM_AIN1 "+" WM_AIN2 "+" WM_AIN3 "+" WM_AIN5,
521 		WM_AIN4 "+" WM_AIN5, WM_AIN1 "+" WM_AIN4 "+" WM_AIN5,
522 		WM_AIN2 "+" WM_AIN4 "+" WM_AIN5,
523 		WM_AIN1 "+" WM_AIN2 "+" WM_AIN4 "+" WM_AIN5,
524 		WM_AIN3 "+" WM_AIN4 "+" WM_AIN5,
525 		WM_AIN1 "+" WM_AIN3 "+" WM_AIN4 "+" WM_AIN5,
526 		WM_AIN2 "+" WM_AIN3 "+" WM_AIN4 "+" WM_AIN5,
527 		WM_AIN1 "+" WM_AIN2 "+" WM_AIN3 "+" WM_AIN4 "+" WM_AIN5
528 	};
529 
530 	return snd_ctl_enum_info(uinfo, 1, 32, texts);
531 }
532 
533 static int wm_adc_mux_enum_get(struct snd_kcontrol *kcontrol,
534 			       struct snd_ctl_elem_value *ucontrol)
535 {
536 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
537 
538 	mutex_lock(&ice->gpio_mutex);
539 	ucontrol->value.integer.value[0] = wm_get(ice, WM_ADC_MUX) & 0x1f;
540 	mutex_unlock(&ice->gpio_mutex);
541 	return 0;
542 }
543 
544 static int wm_adc_mux_enum_put(struct snd_kcontrol *kcontrol,
545 			       struct snd_ctl_elem_value *ucontrol)
546 {
547 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
548 	unsigned short oval, nval;
549 	int change = 0;
550 
551 	mutex_lock(&ice->gpio_mutex);
552 	oval = wm_get(ice, WM_ADC_MUX);
553 	nval = (oval & 0xe0) | ucontrol->value.integer.value[0];
554 	if (nval != oval) {
555 		wm_put(ice, WM_ADC_MUX, nval);
556 		change = 1;
557 	}
558 	mutex_unlock(&ice->gpio_mutex);
559 	return change;
560 }
561 
562 /* KONSTI */
563 
564 /*
565  * ADC gain mixer control (-64dB to 0dB)
566  */
567 
568 #define ADC_0dB	0xcf
569 #define ADC_RES	128
570 #define ADC_MIN	(ADC_0dB - ADC_RES)
571 
572 static int wm_adc_vol_info(struct snd_kcontrol *kcontrol,
573 			   struct snd_ctl_elem_info *uinfo)
574 {
575 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
576 	uinfo->count = 2;
577 	uinfo->value.integer.min = 0;	/* mute (-64dB) */
578 	uinfo->value.integer.max = ADC_RES;	/* 0dB, 0.5dB step */
579 	return 0;
580 }
581 
582 static int wm_adc_vol_get(struct snd_kcontrol *kcontrol,
583 			  struct snd_ctl_elem_value *ucontrol)
584 {
585 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
586 	unsigned short val;
587 	int i;
588 
589 	mutex_lock(&ice->gpio_mutex);
590 	for (i = 0; i < 2; i++) {
591 		val = wm_get(ice, WM_ADC_ATTEN_L + i) & 0xff;
592 		val = val > ADC_MIN ? (val - ADC_MIN) : 0;
593 		ucontrol->value.integer.value[i] = val;
594 	}
595 	mutex_unlock(&ice->gpio_mutex);
596 	return 0;
597 }
598 
599 static int wm_adc_vol_put(struct snd_kcontrol *kcontrol,
600 			  struct snd_ctl_elem_value *ucontrol)
601 {
602 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
603 	unsigned short ovol, nvol;
604 	int i, idx, change = 0;
605 
606 	mutex_lock(&ice->gpio_mutex);
607 	for (i = 0; i < 2; i++) {
608 		nvol = ucontrol->value.integer.value[i];
609 		nvol = nvol ? (nvol + ADC_MIN) : 0;
610 		idx  = WM_ADC_ATTEN_L + i;
611 		ovol = wm_get(ice, idx) & 0xff;
612 		if (ovol != nvol) {
613 			wm_put(ice, idx, nvol);
614 			change = 1;
615 		}
616 	}
617 	mutex_unlock(&ice->gpio_mutex);
618 	return change;
619 }
620 
621 /*
622  * ADC input mux mixer control
623  */
624 #define wm_adc_mux_info		snd_ctl_boolean_mono_info
625 
626 static int wm_adc_mux_get(struct snd_kcontrol *kcontrol,
627 			  struct snd_ctl_elem_value *ucontrol)
628 {
629 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
630 	int bit = kcontrol->private_value;
631 
632 	mutex_lock(&ice->gpio_mutex);
633 	ucontrol->value.integer.value[0] =
634 		(wm_get(ice, WM_ADC_MUX) & (1 << bit)) ? 1 : 0;
635 	mutex_unlock(&ice->gpio_mutex);
636 	return 0;
637 }
638 
639 static int wm_adc_mux_put(struct snd_kcontrol *kcontrol,
640 			  struct snd_ctl_elem_value *ucontrol)
641 {
642 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
643 	int bit = kcontrol->private_value;
644 	unsigned short oval, nval;
645 	int change;
646 
647 	mutex_lock(&ice->gpio_mutex);
648 	nval = oval = wm_get(ice, WM_ADC_MUX);
649 	if (ucontrol->value.integer.value[0])
650 		nval |= (1 << bit);
651 	else
652 		nval &= ~(1 << bit);
653 	change = nval != oval;
654 	if (change) {
655 		wm_put(ice, WM_ADC_MUX, nval);
656 	}
657 	mutex_unlock(&ice->gpio_mutex);
658 	return 0;
659 }
660 
661 /*
662  * Analog bypass (In -> Out)
663  */
664 #define wm_bypass_info		snd_ctl_boolean_mono_info
665 
666 static int wm_bypass_get(struct snd_kcontrol *kcontrol,
667 			 struct snd_ctl_elem_value *ucontrol)
668 {
669 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
670 
671 	mutex_lock(&ice->gpio_mutex);
672 	ucontrol->value.integer.value[0] =
673 		(wm_get(ice, WM_OUT_MUX) & 0x04) ? 1 : 0;
674 	mutex_unlock(&ice->gpio_mutex);
675 	return 0;
676 }
677 
678 static int wm_bypass_put(struct snd_kcontrol *kcontrol,
679 			 struct snd_ctl_elem_value *ucontrol)
680 {
681 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
682 	unsigned short val, oval;
683 	int change = 0;
684 
685 	mutex_lock(&ice->gpio_mutex);
686 	val = oval = wm_get(ice, WM_OUT_MUX);
687 	if (ucontrol->value.integer.value[0])
688 		val |= 0x04;
689 	else
690 		val &= ~0x04;
691 	if (val != oval) {
692 		wm_put(ice, WM_OUT_MUX, val);
693 		change = 1;
694 	}
695 	mutex_unlock(&ice->gpio_mutex);
696 	return change;
697 }
698 
699 /*
700  * Left/Right swap
701  */
702 #define wm_chswap_info		snd_ctl_boolean_mono_info
703 
704 static int wm_chswap_get(struct snd_kcontrol *kcontrol,
705 			 struct snd_ctl_elem_value *ucontrol)
706 {
707 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
708 
709 	mutex_lock(&ice->gpio_mutex);
710 	ucontrol->value.integer.value[0] =
711 			(wm_get(ice, WM_DAC_CTRL1) & 0xf0) != 0x90;
712 	mutex_unlock(&ice->gpio_mutex);
713 	return 0;
714 }
715 
716 static int wm_chswap_put(struct snd_kcontrol *kcontrol,
717 			 struct snd_ctl_elem_value *ucontrol)
718 {
719 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
720 	unsigned short val, oval;
721 	int change = 0;
722 
723 	mutex_lock(&ice->gpio_mutex);
724 	oval = wm_get(ice, WM_DAC_CTRL1);
725 	val = oval & 0x0f;
726 	if (ucontrol->value.integer.value[0])
727 		val |= 0x60;
728 	else
729 		val |= 0x90;
730 	if (val != oval) {
731 		wm_put(ice, WM_DAC_CTRL1, val);
732 		wm_put_nocache(ice, WM_DAC_CTRL1, val);
733 		change = 1;
734 	}
735 	mutex_unlock(&ice->gpio_mutex);
736 	return change;
737 }
738 
739 
740 /*
741  * mixers
742  */
743 
744 static struct snd_kcontrol_new prodigy_hifi_controls[] = {
745 	{
746 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
747 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
748 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
749 		.name = "Master Playback Volume",
750 		.info = wm_master_vol_info,
751 		.get = wm_master_vol_get,
752 		.put = wm_master_vol_put,
753 		.tlv = { .p = db_scale_wm_dac }
754 	},
755 	{
756 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
757 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
758 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
759 		.name = "Front Playback Volume",
760 		.info = wm_dac_vol_info,
761 		.get = wm_dac_vol_get,
762 		.put = wm_dac_vol_put,
763 		.tlv = { .p = db_scale_wm_dac },
764 	},
765 	{
766 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
767 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
768 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
769 		.name = "Rear Playback Volume",
770 		.info = wm8766_vol_info,
771 		.get = wm8766_vol_get,
772 		.put = wm8766_vol_put,
773 		.private_value = (2 << 8) | 0,
774 		.tlv = { .p = db_scale_wm_dac },
775 	},
776 	{
777 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
778 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
779 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
780 		.name = "Center Playback Volume",
781 		.info = wm8766_vol_info,
782 		.get = wm8766_vol_get,
783 		.put = wm8766_vol_put,
784 		.private_value = (1 << 8) | 4,
785 		.tlv = { .p = db_scale_wm_dac }
786 	},
787 	{
788 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
789 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
790 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
791 		.name = "LFE Playback Volume",
792 		.info = wm8766_vol_info,
793 		.get = wm8766_vol_get,
794 		.put = wm8766_vol_put,
795 		.private_value = (1 << 8) | 5,
796 		.tlv = { .p = db_scale_wm_dac }
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 = "Side Playback Volume",
803 		.info = wm8766_vol_info,
804 		.get = wm8766_vol_get,
805 		.put = wm8766_vol_put,
806 		.private_value = (2 << 8) | 6,
807 		.tlv = { .p = db_scale_wm_dac },
808 	},
809 	{
810 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
811 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
812 			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
813 		.name = "Capture Volume",
814 		.info = wm_adc_vol_info,
815 		.get = wm_adc_vol_get,
816 		.put = wm_adc_vol_put,
817 		.tlv = { .p = db_scale_wm_dac },
818 	},
819 	{
820 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
821 		.name = "CD Capture Switch",
822 		.info = wm_adc_mux_info,
823 		.get = wm_adc_mux_get,
824 		.put = wm_adc_mux_put,
825 		.private_value = 0,
826 	},
827 	{
828 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
829 		.name = "Line Capture Switch",
830 		.info = wm_adc_mux_info,
831 		.get = wm_adc_mux_get,
832 		.put = wm_adc_mux_put,
833 		.private_value = 1,
834 	},
835 	{
836 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 		.name = "Analog Bypass Switch",
838 		.info = wm_bypass_info,
839 		.get = wm_bypass_get,
840 		.put = wm_bypass_put,
841 	},
842 	{
843 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
844 		.name = "Swap Output Channels",
845 		.info = wm_chswap_info,
846 		.get = wm_chswap_get,
847 		.put = wm_chswap_put,
848 	},
849 	{
850 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
851 		.name = "Analog Capture Source",
852 		.info = wm_adc_mux_enum_info,
853 		.get = wm_adc_mux_enum_get,
854 		.put = wm_adc_mux_enum_put,
855 	},
856 };
857 
858 /*
859  * WM codec registers
860  */
861 static void wm_proc_regs_write(struct snd_info_entry *entry,
862 			       struct snd_info_buffer *buffer)
863 {
864 	struct snd_ice1712 *ice = entry->private_data;
865 	char line[64];
866 	unsigned int reg, val;
867 	mutex_lock(&ice->gpio_mutex);
868 	while (!snd_info_get_line(buffer, line, sizeof(line))) {
869 		if (sscanf(line, "%x %x", &reg, &val) != 2)
870 			continue;
871 		if (reg <= 0x17 && val <= 0xffff)
872 			wm_put(ice, reg, val);
873 	}
874 	mutex_unlock(&ice->gpio_mutex);
875 }
876 
877 static void wm_proc_regs_read(struct snd_info_entry *entry,
878 			      struct snd_info_buffer *buffer)
879 {
880 	struct snd_ice1712 *ice = entry->private_data;
881 	int reg, val;
882 
883 	mutex_lock(&ice->gpio_mutex);
884 	for (reg = 0; reg <= 0x17; reg++) {
885 		val = wm_get(ice, reg);
886 		snd_iprintf(buffer, "%02x = %04x\n", reg, val);
887 	}
888 	mutex_unlock(&ice->gpio_mutex);
889 }
890 
891 static void wm_proc_init(struct snd_ice1712 *ice)
892 {
893 	snd_card_rw_proc_new(ice->card, "wm_codec", ice, wm_proc_regs_read,
894 			     wm_proc_regs_write);
895 }
896 
897 static int prodigy_hifi_add_controls(struct snd_ice1712 *ice)
898 {
899 	unsigned int i;
900 	int err;
901 
902 	for (i = 0; i < ARRAY_SIZE(prodigy_hifi_controls); i++) {
903 		err = snd_ctl_add(ice->card,
904 				  snd_ctl_new1(&prodigy_hifi_controls[i], ice));
905 		if (err < 0)
906 			return err;
907 	}
908 
909 	wm_proc_init(ice);
910 
911 	return 0;
912 }
913 
914 static int prodigy_hd2_add_controls(struct snd_ice1712 *ice)
915 {
916 	unsigned int i;
917 	int err;
918 
919 	for (i = 0; i < ARRAY_SIZE(prodigy_hd2_controls); i++) {
920 		err = snd_ctl_add(ice->card,
921 				  snd_ctl_new1(&prodigy_hd2_controls[i], ice));
922 		if (err < 0)
923 			return err;
924 	}
925 
926 	wm_proc_init(ice);
927 
928 	return 0;
929 }
930 
931 static void wm8766_init(struct snd_ice1712 *ice)
932 {
933 	static unsigned short wm8766_inits[] = {
934 		WM8766_RESET,	   0x0000,
935 		WM8766_DAC_CTRL,	0x0120,
936 		WM8766_INT_CTRL,	0x0022, /* I2S Normal Mode, 24 bit */
937 		WM8766_DAC_CTRL2,       0x0001,
938 		WM8766_DAC_CTRL3,       0x0080,
939 		WM8766_LDA1,	    0x0100,
940 		WM8766_LDA2,	    0x0100,
941 		WM8766_LDA3,	    0x0100,
942 		WM8766_RDA1,	    0x0100,
943 		WM8766_RDA2,	    0x0100,
944 		WM8766_RDA3,	    0x0100,
945 		WM8766_MUTE1,	   0x0000,
946 		WM8766_MUTE2,	   0x0000,
947 	};
948 	unsigned int i;
949 
950 	for (i = 0; i < ARRAY_SIZE(wm8766_inits); i += 2)
951 		wm8766_spi_write(ice, wm8766_inits[i], wm8766_inits[i + 1]);
952 }
953 
954 static void wm8776_init(struct snd_ice1712 *ice)
955 {
956 	static unsigned short wm8776_inits[] = {
957 		/* These come first to reduce init pop noise */
958 		WM_ADC_MUX,	0x0003,	/* ADC mute */
959 		/* 0x00c0 replaced by 0x0003 */
960 
961 		WM_DAC_MUTE,	0x0001,	/* DAC softmute */
962 		WM_DAC_CTRL1,	0x0000,	/* DAC mute */
963 
964 		WM_POWERDOWN,	0x0008,	/* All power-up except HP */
965 		WM_RESET,	0x0000,	/* reset */
966 	};
967 	unsigned int i;
968 
969 	for (i = 0; i < ARRAY_SIZE(wm8776_inits); i += 2)
970 		wm_put(ice, wm8776_inits[i], wm8776_inits[i + 1]);
971 }
972 
973 #ifdef CONFIG_PM_SLEEP
974 static int prodigy_hifi_resume(struct snd_ice1712 *ice)
975 {
976 	static unsigned short wm8776_reinit_registers[] = {
977 		WM_MASTER_CTRL,
978 		WM_DAC_INT,
979 		WM_ADC_INT,
980 		WM_OUT_MUX,
981 		WM_HP_ATTEN_L,
982 		WM_HP_ATTEN_R,
983 		WM_PHASE_SWAP,
984 		WM_DAC_CTRL2,
985 		WM_ADC_ATTEN_L,
986 		WM_ADC_ATTEN_R,
987 		WM_ALC_CTRL1,
988 		WM_ALC_CTRL2,
989 		WM_ALC_CTRL3,
990 		WM_NOISE_GATE,
991 		WM_ADC_MUX,
992 		/* no DAC attenuation here */
993 	};
994 	struct prodigy_hifi_spec *spec = ice->spec;
995 	int i, ch;
996 
997 	mutex_lock(&ice->gpio_mutex);
998 
999 	/* reinitialize WM8776 and re-apply old register values */
1000 	wm8776_init(ice);
1001 	schedule_timeout_uninterruptible(1);
1002 	for (i = 0; i < ARRAY_SIZE(wm8776_reinit_registers); i++)
1003 		wm_put(ice, wm8776_reinit_registers[i],
1004 		       wm_get(ice, wm8776_reinit_registers[i]));
1005 
1006 	/* reinitialize WM8766 and re-apply volumes for all DACs */
1007 	wm8766_init(ice);
1008 	for (ch = 0; ch < 2; ch++) {
1009 		wm_set_vol(ice, WM_DAC_ATTEN_L + ch,
1010 			   spec->vol[2 + ch], spec->master[ch]);
1011 
1012 		wm8766_set_vol(ice, WM8766_LDA1 + ch,
1013 			       spec->vol[0 + ch], spec->master[ch]);
1014 
1015 		wm8766_set_vol(ice, WM8766_LDA2 + ch,
1016 			       spec->vol[4 + ch], spec->master[ch]);
1017 
1018 		wm8766_set_vol(ice, WM8766_LDA3 + ch,
1019 			       spec->vol[6 + ch], spec->master[ch]);
1020 	}
1021 
1022 	/* unmute WM8776 DAC */
1023 	wm_put(ice, WM_DAC_MUTE, 0x00);
1024 	wm_put(ice, WM_DAC_CTRL1, 0x90);
1025 
1026 	mutex_unlock(&ice->gpio_mutex);
1027 	return 0;
1028 }
1029 #endif
1030 
1031 /*
1032  * initialize the chip
1033  */
1034 static int prodigy_hifi_init(struct snd_ice1712 *ice)
1035 {
1036 	static unsigned short wm8776_defaults[] = {
1037 		WM_MASTER_CTRL,  0x0022, /* 256fs, slave mode */
1038 		WM_DAC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
1039 		WM_ADC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
1040 		WM_DAC_CTRL1,	0x0090,	/* DAC L/R */
1041 		WM_OUT_MUX,	0x0001,	/* OUT DAC */
1042 		WM_HP_ATTEN_L,	0x0179,	/* HP 0dB */
1043 		WM_HP_ATTEN_R,	0x0179,	/* HP 0dB */
1044 		WM_DAC_ATTEN_L,	0x0000,	/* DAC 0dB */
1045 		WM_DAC_ATTEN_L,	0x0100,	/* DAC 0dB */
1046 		WM_DAC_ATTEN_R,	0x0000,	/* DAC 0dB */
1047 		WM_DAC_ATTEN_R,	0x0100,	/* DAC 0dB */
1048 		WM_PHASE_SWAP,	0x0000,	/* phase normal */
1049 #if 0
1050 		WM_DAC_MASTER,	0x0100,	/* DAC master muted */
1051 #endif
1052 		WM_DAC_CTRL2,	0x0000,	/* no deemphasis, no ZFLG */
1053 		WM_ADC_ATTEN_L,	0x0000,	/* ADC muted */
1054 		WM_ADC_ATTEN_R,	0x0000,	/* ADC muted */
1055 #if 1
1056 		WM_ALC_CTRL1,	0x007b,	/* */
1057 		WM_ALC_CTRL2,	0x0000,	/* */
1058 		WM_ALC_CTRL3,	0x0000,	/* */
1059 		WM_NOISE_GATE,	0x0000,	/* */
1060 #endif
1061 		WM_DAC_MUTE,	0x0000,	/* DAC unmute */
1062 		WM_ADC_MUX,	0x0003,	/* ADC unmute, both CD/Line On */
1063 	};
1064 	struct prodigy_hifi_spec *spec;
1065 	unsigned int i;
1066 
1067 	ice->vt1720 = 0;
1068 	ice->vt1724 = 1;
1069 
1070 	ice->num_total_dacs = 8;
1071 	ice->num_total_adcs = 1;
1072 
1073 	/* HACK - use this as the SPDIF source.
1074 	* don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
1075 	*/
1076 	ice->gpio.saved[0] = 0;
1077 	/* to remember the register values */
1078 
1079 	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
1080 	if (! ice->akm)
1081 		return -ENOMEM;
1082 	ice->akm_codecs = 1;
1083 
1084 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1085 	if (!spec)
1086 		return -ENOMEM;
1087 	ice->spec = spec;
1088 
1089 	/* initialize WM8776 codec */
1090 	wm8776_init(ice);
1091 	schedule_timeout_uninterruptible(1);
1092 	for (i = 0; i < ARRAY_SIZE(wm8776_defaults); i += 2)
1093 		wm_put(ice, wm8776_defaults[i], wm8776_defaults[i + 1]);
1094 
1095 	wm8766_init(ice);
1096 
1097 #ifdef CONFIG_PM_SLEEP
1098 	ice->pm_resume = &prodigy_hifi_resume;
1099 	ice->pm_suspend_enabled = 1;
1100 #endif
1101 
1102 	return 0;
1103 }
1104 
1105 
1106 /*
1107  * initialize the chip
1108  */
1109 static void ak4396_init(struct snd_ice1712 *ice)
1110 {
1111 	static unsigned short ak4396_inits[] = {
1112 		AK4396_CTRL1,	   0x87,   /* I2S Normal Mode, 24 bit */
1113 		AK4396_CTRL2,	   0x02,
1114 		AK4396_CTRL3,	   0x00,
1115 		AK4396_LCH_ATT,	 0x00,
1116 		AK4396_RCH_ATT,	 0x00,
1117 	};
1118 
1119 	unsigned int i;
1120 
1121 	/* initialize ak4396 codec */
1122 	/* reset codec */
1123 	ak4396_write(ice, AK4396_CTRL1, 0x86);
1124 	msleep(100);
1125 	ak4396_write(ice, AK4396_CTRL1, 0x87);
1126 
1127 	for (i = 0; i < ARRAY_SIZE(ak4396_inits); i += 2)
1128 		ak4396_write(ice, ak4396_inits[i], ak4396_inits[i+1]);
1129 }
1130 
1131 #ifdef CONFIG_PM_SLEEP
1132 static int prodigy_hd2_resume(struct snd_ice1712 *ice)
1133 {
1134 	/* initialize ak4396 codec and restore previous mixer volumes */
1135 	struct prodigy_hifi_spec *spec = ice->spec;
1136 	int i;
1137 	mutex_lock(&ice->gpio_mutex);
1138 	ak4396_init(ice);
1139 	for (i = 0; i < 2; i++)
1140 		ak4396_write(ice, AK4396_LCH_ATT + i, spec->vol[i] & 0xff);
1141 	mutex_unlock(&ice->gpio_mutex);
1142 	return 0;
1143 }
1144 #endif
1145 
1146 static int prodigy_hd2_init(struct snd_ice1712 *ice)
1147 {
1148 	struct prodigy_hifi_spec *spec;
1149 
1150 	ice->vt1720 = 0;
1151 	ice->vt1724 = 1;
1152 
1153 	ice->num_total_dacs = 1;
1154 	ice->num_total_adcs = 1;
1155 
1156 	/* HACK - use this as the SPDIF source.
1157 	* don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
1158 	*/
1159 	ice->gpio.saved[0] = 0;
1160 	/* to remember the register values */
1161 
1162 	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
1163 	if (! ice->akm)
1164 		return -ENOMEM;
1165 	ice->akm_codecs = 1;
1166 
1167 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1168 	if (!spec)
1169 		return -ENOMEM;
1170 	ice->spec = spec;
1171 
1172 #ifdef CONFIG_PM_SLEEP
1173 	ice->pm_resume = &prodigy_hd2_resume;
1174 	ice->pm_suspend_enabled = 1;
1175 #endif
1176 
1177 	ak4396_init(ice);
1178 
1179 	return 0;
1180 }
1181 
1182 
1183 static unsigned char prodigy71hifi_eeprom[] = {
1184 	0x4b,   /* SYSCONF: clock 512, spdif-in/ADC, 4DACs */
1185 	0x80,   /* ACLINK: I2S */
1186 	0xfc,   /* I2S: vol, 96k, 24bit, 192k */
1187 	0xc3,   /* SPDIF: out-en, out-int, spdif-in */
1188 	0xff,   /* GPIO_DIR */
1189 	0xff,   /* GPIO_DIR1 */
1190 	0x5f,   /* GPIO_DIR2 */
1191 	0x00,   /* GPIO_MASK */
1192 	0x00,   /* GPIO_MASK1 */
1193 	0x00,   /* GPIO_MASK2 */
1194 	0x00,   /* GPIO_STATE */
1195 	0x00,   /* GPIO_STATE1 */
1196 	0x00,   /* GPIO_STATE2 */
1197 };
1198 
1199 static unsigned char prodigyhd2_eeprom[] = {
1200 	0x4b,   /* SYSCONF: clock 512, spdif-in/ADC, 4DACs */
1201 	0x80,   /* ACLINK: I2S */
1202 	0xfc,   /* I2S: vol, 96k, 24bit, 192k */
1203 	0xc3,   /* SPDIF: out-en, out-int, spdif-in */
1204 	0xff,   /* GPIO_DIR */
1205 	0xff,   /* GPIO_DIR1 */
1206 	0x5f,   /* GPIO_DIR2 */
1207 	0x00,   /* GPIO_MASK */
1208 	0x00,   /* GPIO_MASK1 */
1209 	0x00,   /* GPIO_MASK2 */
1210 	0x00,   /* GPIO_STATE */
1211 	0x00,   /* GPIO_STATE1 */
1212 	0x00,   /* GPIO_STATE2 */
1213 };
1214 
1215 static unsigned char fortissimo4_eeprom[] = {
1216 	0x43,   /* SYSCONF: clock 512, ADC, 4DACs */
1217 	0x80,   /* ACLINK: I2S */
1218 	0xfc,   /* I2S: vol, 96k, 24bit, 192k */
1219 	0xc1,   /* SPDIF: out-en, out-int */
1220 	0xff,   /* GPIO_DIR */
1221 	0xff,   /* GPIO_DIR1 */
1222 	0x5f,   /* GPIO_DIR2 */
1223 	0x00,   /* GPIO_MASK */
1224 	0x00,   /* GPIO_MASK1 */
1225 	0x00,   /* GPIO_MASK2 */
1226 	0x00,   /* GPIO_STATE */
1227 	0x00,   /* GPIO_STATE1 */
1228 	0x00,   /* GPIO_STATE2 */
1229 };
1230 
1231 /* entry point */
1232 struct snd_ice1712_card_info snd_vt1724_prodigy_hifi_cards[] = {
1233 	{
1234 		.subvendor = VT1724_SUBDEVICE_PRODIGY_HIFI,
1235 		.name = "Audiotrak Prodigy 7.1 HiFi",
1236 		.model = "prodigy71hifi",
1237 		.chip_init = prodigy_hifi_init,
1238 		.build_controls = prodigy_hifi_add_controls,
1239 		.eeprom_size = sizeof(prodigy71hifi_eeprom),
1240 		.eeprom_data = prodigy71hifi_eeprom,
1241 		.driver = "Prodigy71HIFI",
1242 	},
1243 	{
1244 	.subvendor = VT1724_SUBDEVICE_PRODIGY_HD2,
1245 	.name = "Audiotrak Prodigy HD2",
1246 	.model = "prodigyhd2",
1247 	.chip_init = prodigy_hd2_init,
1248 	.build_controls = prodigy_hd2_add_controls,
1249 	.eeprom_size = sizeof(prodigyhd2_eeprom),
1250 	.eeprom_data = prodigyhd2_eeprom,
1251 	.driver = "Prodigy71HD2",
1252 	},
1253 	{
1254 		.subvendor = VT1724_SUBDEVICE_FORTISSIMO4,
1255 		.name = "Hercules Fortissimo IV",
1256 		.model = "fortissimo4",
1257 		.chip_init = prodigy_hifi_init,
1258 		.build_controls = prodigy_hifi_add_controls,
1259 		.eeprom_size = sizeof(fortissimo4_eeprom),
1260 		.eeprom_data = fortissimo4_eeprom,
1261 		.driver = "Fortissimo4",
1262 	},
1263 	{ } /* terminator */
1264 };
1265 
1266