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1/*
2 *   ALSA driver for ICEnsemble VT1724 (Envy24HT)
3 *
4 *   Lowlevel functions for Pontis MS300
5 *
6 *	Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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#include <asm/io.h>
25#include <linux/delay.h>
26#include <linux/interrupt.h>
27#include <linux/init.h>
28#include <linux/slab.h>
29#include <linux/mutex.h>
30
31#include <sound/core.h>
32#include <sound/info.h>
33#include <sound/tlv.h>
34
35#include "ice1712.h"
36#include "envy24ht.h"
37#include "pontis.h"
38
39/* I2C addresses */
40#define WM_DEV		0x34
41#define CS_DEV		0x20
42
43/* WM8776 registers */
44#define WM_HP_ATTEN_L		0x00	/* headphone left attenuation */
45#define WM_HP_ATTEN_R		0x01	/* headphone left attenuation */
46#define WM_HP_MASTER		0x02	/* headphone master (both channels) */
47					/* override LLR */
48#define WM_DAC_ATTEN_L		0x03	/* digital left attenuation */
49#define WM_DAC_ATTEN_R		0x04
50#define WM_DAC_MASTER		0x05
51#define WM_PHASE_SWAP		0x06	/* DAC phase swap */
52#define WM_DAC_CTRL1		0x07
53#define WM_DAC_MUTE		0x08
54#define WM_DAC_CTRL2		0x09
55#define WM_DAC_INT		0x0a
56#define WM_ADC_INT		0x0b
57#define WM_MASTER_CTRL		0x0c
58#define WM_POWERDOWN		0x0d
59#define WM_ADC_ATTEN_L		0x0e
60#define WM_ADC_ATTEN_R		0x0f
61#define WM_ALC_CTRL1		0x10
62#define WM_ALC_CTRL2		0x11
63#define WM_ALC_CTRL3		0x12
64#define WM_NOISE_GATE		0x13
65#define WM_LIMITER		0x14
66#define WM_ADC_MUX		0x15
67#define WM_OUT_MUX		0x16
68#define WM_RESET		0x17
69
70/*
71 * GPIO
72 */
73#define PONTIS_CS_CS		(1<<4)	/* CS */
74#define PONTIS_CS_CLK		(1<<5)	/* CLK */
75#define PONTIS_CS_RDATA		(1<<6)	/* CS8416 -> VT1720 */
76#define PONTIS_CS_WDATA		(1<<7)	/* VT1720 -> CS8416 */
77
78
79/*
80 * get the current register value of WM codec
81 */
82static unsigned short wm_get(struct snd_ice1712 *ice, int reg)
83{
84	reg <<= 1;
85	return ((unsigned short)ice->akm[0].images[reg] << 8) |
86		ice->akm[0].images[reg + 1];
87}
88
89/*
90 * set the register value of WM codec and remember it
91 */
92static void wm_put_nocache(struct snd_ice1712 *ice, int reg, unsigned short val)
93{
94	unsigned short cval;
95	cval = (reg << 9) | val;
96	snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
97}
98
99static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
100{
101	wm_put_nocache(ice, reg, val);
102	reg <<= 1;
103	ice->akm[0].images[reg] = val >> 8;
104	ice->akm[0].images[reg + 1] = val;
105}
106
107/*
108 * DAC volume attenuation mixer control (-64dB to 0dB)
109 */
110
111#define DAC_0dB	0xff
112#define DAC_RES	128
113#define DAC_MIN	(DAC_0dB - DAC_RES)
114
115static int wm_dac_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
116{
117	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
118	uinfo->count = 2;
119	uinfo->value.integer.min = 0;	/* mute */
120	uinfo->value.integer.max = DAC_RES;	/* 0dB, 0.5dB step */
121	return 0;
122}
123
124static int wm_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
125{
126	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
127	unsigned short val;
128	int i;
129
130	mutex_lock(&ice->gpio_mutex);
131	for (i = 0; i < 2; i++) {
132		val = wm_get(ice, WM_DAC_ATTEN_L + i) & 0xff;
133		val = val > DAC_MIN ? (val - DAC_MIN) : 0;
134		ucontrol->value.integer.value[i] = val;
135	}
136	mutex_unlock(&ice->gpio_mutex);
137	return 0;
138}
139
140static int wm_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
141{
142	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
143	unsigned short oval, nval;
144	int i, idx, change = 0;
145
146	mutex_lock(&ice->gpio_mutex);
147	for (i = 0; i < 2; i++) {
148		nval = ucontrol->value.integer.value[i];
149		nval = (nval ? (nval + DAC_MIN) : 0) & 0xff;
150		idx = WM_DAC_ATTEN_L + i;
151		oval = wm_get(ice, idx) & 0xff;
152		if (oval != nval) {
153			wm_put(ice, idx, nval);
154			wm_put_nocache(ice, idx, nval | 0x100);
155			change = 1;
156		}
157	}
158	mutex_unlock(&ice->gpio_mutex);
159	return change;
160}
161
162/*
163 * ADC gain mixer control (-64dB to 0dB)
164 */
165
166#define ADC_0dB	0xcf
167#define ADC_RES	128
168#define ADC_MIN	(ADC_0dB - ADC_RES)
169
170static int wm_adc_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
171{
172	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
173	uinfo->count = 2;
174	uinfo->value.integer.min = 0;	/* mute (-64dB) */
175	uinfo->value.integer.max = ADC_RES;	/* 0dB, 0.5dB step */
176	return 0;
177}
178
179static int wm_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
180{
181	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
182	unsigned short val;
183	int i;
184
185	mutex_lock(&ice->gpio_mutex);
186	for (i = 0; i < 2; i++) {
187		val = wm_get(ice, WM_ADC_ATTEN_L + i) & 0xff;
188		val = val > ADC_MIN ? (val - ADC_MIN) : 0;
189		ucontrol->value.integer.value[i] = val;
190	}
191	mutex_unlock(&ice->gpio_mutex);
192	return 0;
193}
194
195static int wm_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
196{
197	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
198	unsigned short ovol, nvol;
199	int i, idx, change = 0;
200
201	mutex_lock(&ice->gpio_mutex);
202	for (i = 0; i < 2; i++) {
203		nvol = ucontrol->value.integer.value[i];
204		nvol = nvol ? (nvol + ADC_MIN) : 0;
205		idx  = WM_ADC_ATTEN_L + i;
206		ovol = wm_get(ice, idx) & 0xff;
207		if (ovol != nvol) {
208			wm_put(ice, idx, nvol);
209			change = 1;
210		}
211	}
212	mutex_unlock(&ice->gpio_mutex);
213	return change;
214}
215
216/*
217 * ADC input mux mixer control
218 */
219#define wm_adc_mux_info		snd_ctl_boolean_mono_info
220
221static int wm_adc_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
222{
223	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
224	int bit = kcontrol->private_value;
225
226	mutex_lock(&ice->gpio_mutex);
227	ucontrol->value.integer.value[0] = (wm_get(ice, WM_ADC_MUX) & (1 << bit)) ? 1 : 0;
228	mutex_unlock(&ice->gpio_mutex);
229	return 0;
230}
231
232static int wm_adc_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
233{
234	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
235	int bit = kcontrol->private_value;
236	unsigned short oval, nval;
237	int change;
238
239	mutex_lock(&ice->gpio_mutex);
240	nval = oval = wm_get(ice, WM_ADC_MUX);
241	if (ucontrol->value.integer.value[0])
242		nval |= (1 << bit);
243	else
244		nval &= ~(1 << bit);
245	change = nval != oval;
246	if (change) {
247		wm_put(ice, WM_ADC_MUX, nval);
248	}
249	mutex_unlock(&ice->gpio_mutex);
250	return change;
251}
252
253/*
254 * Analog bypass (In -> Out)
255 */
256#define wm_bypass_info		snd_ctl_boolean_mono_info
257
258static int wm_bypass_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
259{
260	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
261
262	mutex_lock(&ice->gpio_mutex);
263	ucontrol->value.integer.value[0] = (wm_get(ice, WM_OUT_MUX) & 0x04) ? 1 : 0;
264	mutex_unlock(&ice->gpio_mutex);
265	return 0;
266}
267
268static int wm_bypass_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
269{
270	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
271	unsigned short val, oval;
272	int change = 0;
273
274	mutex_lock(&ice->gpio_mutex);
275	val = oval = wm_get(ice, WM_OUT_MUX);
276	if (ucontrol->value.integer.value[0])
277		val |= 0x04;
278	else
279		val &= ~0x04;
280	if (val != oval) {
281		wm_put(ice, WM_OUT_MUX, val);
282		change = 1;
283	}
284	mutex_unlock(&ice->gpio_mutex);
285	return change;
286}
287
288/*
289 * Left/Right swap
290 */
291#define wm_chswap_info		snd_ctl_boolean_mono_info
292
293static int wm_chswap_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
294{
295	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
296
297	mutex_lock(&ice->gpio_mutex);
298	ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL1) & 0xf0) != 0x90;
299	mutex_unlock(&ice->gpio_mutex);
300	return 0;
301}
302
303static int wm_chswap_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
304{
305	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
306	unsigned short val, oval;
307	int change = 0;
308
309	mutex_lock(&ice->gpio_mutex);
310	oval = wm_get(ice, WM_DAC_CTRL1);
311	val = oval & 0x0f;
312	if (ucontrol->value.integer.value[0])
313		val |= 0x60;
314	else
315		val |= 0x90;
316	if (val != oval) {
317		wm_put(ice, WM_DAC_CTRL1, val);
318		wm_put_nocache(ice, WM_DAC_CTRL1, val);
319		change = 1;
320	}
321	mutex_unlock(&ice->gpio_mutex);
322	return change;
323}
324
325/*
326 * write data in the SPI mode
327 */
328static void set_gpio_bit(struct snd_ice1712 *ice, unsigned int bit, int val)
329{
330	unsigned int tmp = snd_ice1712_gpio_read(ice);
331	if (val)
332		tmp |= bit;
333	else
334		tmp &= ~bit;
335	snd_ice1712_gpio_write(ice, tmp);
336}
337
338static void spi_send_byte(struct snd_ice1712 *ice, unsigned char data)
339{
340	int i;
341	for (i = 0; i < 8; i++) {
342		set_gpio_bit(ice, PONTIS_CS_CLK, 0);
343		udelay(1);
344		set_gpio_bit(ice, PONTIS_CS_WDATA, data & 0x80);
345		udelay(1);
346		set_gpio_bit(ice, PONTIS_CS_CLK, 1);
347		udelay(1);
348		data <<= 1;
349	}
350}
351
352static unsigned int spi_read_byte(struct snd_ice1712 *ice)
353{
354	int i;
355	unsigned int val = 0;
356
357	for (i = 0; i < 8; i++) {
358		val <<= 1;
359		set_gpio_bit(ice, PONTIS_CS_CLK, 0);
360		udelay(1);
361		if (snd_ice1712_gpio_read(ice) & PONTIS_CS_RDATA)
362			val |= 1;
363		udelay(1);
364		set_gpio_bit(ice, PONTIS_CS_CLK, 1);
365		udelay(1);
366	}
367	return val;
368}
369
370
371static void spi_write(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg, unsigned int data)
372{
373	snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
374	snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
375	set_gpio_bit(ice, PONTIS_CS_CS, 0);
376	spi_send_byte(ice, dev & ~1); /* WRITE */
377	spi_send_byte(ice, reg); /* MAP */
378	spi_send_byte(ice, data); /* DATA */
379	/* trigger */
380	set_gpio_bit(ice, PONTIS_CS_CS, 1);
381	udelay(1);
382	/* restore */
383	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
384	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
385}
386
387static unsigned int spi_read(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg)
388{
389	unsigned int val;
390	snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
391	snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
392	set_gpio_bit(ice, PONTIS_CS_CS, 0);
393	spi_send_byte(ice, dev & ~1); /* WRITE */
394	spi_send_byte(ice, reg); /* MAP */
395	/* trigger */
396	set_gpio_bit(ice, PONTIS_CS_CS, 1);
397	udelay(1);
398	set_gpio_bit(ice, PONTIS_CS_CS, 0);
399	spi_send_byte(ice, dev | 1); /* READ */
400	val = spi_read_byte(ice);
401	/* trigger */
402	set_gpio_bit(ice, PONTIS_CS_CS, 1);
403	udelay(1);
404	/* restore */
405	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
406	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
407	return val;
408}
409
410
411/*
412 * SPDIF input source
413 */
414static int cs_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
415{
416	static const char * const texts[] = {
417		"Coax",		/* RXP0 */
418		"Optical",	/* RXP1 */
419		"CD",		/* RXP2 */
420	};
421	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
422	uinfo->count = 1;
423	uinfo->value.enumerated.items = 3;
424	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
425		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
426	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
427	return 0;
428}
429
430static int cs_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
431{
432	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
433
434	mutex_lock(&ice->gpio_mutex);
435	ucontrol->value.enumerated.item[0] = ice->gpio.saved[0];
436	mutex_unlock(&ice->gpio_mutex);
437	return 0;
438}
439
440static int cs_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
441{
442	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
443	unsigned char val;
444	int change = 0;
445
446	mutex_lock(&ice->gpio_mutex);
447	if (ucontrol->value.enumerated.item[0] != ice->gpio.saved[0]) {
448		ice->gpio.saved[0] = ucontrol->value.enumerated.item[0] & 3;
449		val = 0x80 | (ice->gpio.saved[0] << 3);
450		spi_write(ice, CS_DEV, 0x04, val);
451		change = 1;
452	}
453	mutex_unlock(&ice->gpio_mutex);
454	return change;
455}
456
457
458/*
459 * GPIO controls
460 */
461static int pontis_gpio_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
462{
463	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
464	uinfo->count = 1;
465	uinfo->value.integer.min = 0;
466	uinfo->value.integer.max = 0xffff; /* 16bit */
467	return 0;
468}
469
470static int pontis_gpio_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
471{
472	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
473	mutex_lock(&ice->gpio_mutex);
474	/* 4-7 reserved */
475	ucontrol->value.integer.value[0] = (~ice->gpio.write_mask & 0xffff) | 0x00f0;
476	mutex_unlock(&ice->gpio_mutex);
477	return 0;
478}
479
480static int pontis_gpio_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
481{
482	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
483	unsigned int val;
484	int changed;
485	mutex_lock(&ice->gpio_mutex);
486	/* 4-7 reserved */
487	val = (~ucontrol->value.integer.value[0] & 0xffff) | 0x00f0;
488	changed = val != ice->gpio.write_mask;
489	ice->gpio.write_mask = val;
490	mutex_unlock(&ice->gpio_mutex);
491	return changed;
492}
493
494static int pontis_gpio_dir_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
495{
496	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
497	mutex_lock(&ice->gpio_mutex);
498	/* 4-7 reserved */
499	ucontrol->value.integer.value[0] = ice->gpio.direction & 0xff0f;
500	mutex_unlock(&ice->gpio_mutex);
501	return 0;
502}
503
504static int pontis_gpio_dir_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
505{
506	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
507	unsigned int val;
508	int changed;
509	mutex_lock(&ice->gpio_mutex);
510	/* 4-7 reserved */
511	val = ucontrol->value.integer.value[0] & 0xff0f;
512	changed = (val != ice->gpio.direction);
513	ice->gpio.direction = val;
514	mutex_unlock(&ice->gpio_mutex);
515	return changed;
516}
517
518static int pontis_gpio_data_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
519{
520	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
521	mutex_lock(&ice->gpio_mutex);
522	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
523	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
524	ucontrol->value.integer.value[0] = snd_ice1712_gpio_read(ice) & 0xffff;
525	mutex_unlock(&ice->gpio_mutex);
526	return 0;
527}
528
529static int pontis_gpio_data_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
530{
531	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
532	unsigned int val, nval;
533	int changed = 0;
534	mutex_lock(&ice->gpio_mutex);
535	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
536	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
537	val = snd_ice1712_gpio_read(ice) & 0xffff;
538	nval = ucontrol->value.integer.value[0] & 0xffff;
539	if (val != nval) {
540		snd_ice1712_gpio_write(ice, nval);
541		changed = 1;
542	}
543	mutex_unlock(&ice->gpio_mutex);
544	return changed;
545}
546
547static const DECLARE_TLV_DB_SCALE(db_scale_volume, -6400, 50, 1);
548
549/*
550 * mixers
551 */
552
553static struct snd_kcontrol_new pontis_controls[] __devinitdata = {
554	{
555		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
556		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
557			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
558		.name = "PCM Playback Volume",
559		.info = wm_dac_vol_info,
560		.get = wm_dac_vol_get,
561		.put = wm_dac_vol_put,
562		.tlv = { .p = db_scale_volume },
563	},
564	{
565		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
566		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
567			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
568		.name = "Capture Volume",
569		.info = wm_adc_vol_info,
570		.get = wm_adc_vol_get,
571		.put = wm_adc_vol_put,
572		.tlv = { .p = db_scale_volume },
573	},
574	{
575		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
576		.name = "CD Capture Switch",
577		.info = wm_adc_mux_info,
578		.get = wm_adc_mux_get,
579		.put = wm_adc_mux_put,
580		.private_value = 0,
581	},
582	{
583		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
584		.name = "Line Capture Switch",
585		.info = wm_adc_mux_info,
586		.get = wm_adc_mux_get,
587		.put = wm_adc_mux_put,
588		.private_value = 1,
589	},
590	{
591		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
592		.name = "Analog Bypass Switch",
593		.info = wm_bypass_info,
594		.get = wm_bypass_get,
595		.put = wm_bypass_put,
596	},
597	{
598		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
599		.name = "Swap Output Channels",
600		.info = wm_chswap_info,
601		.get = wm_chswap_get,
602		.put = wm_chswap_put,
603	},
604	{
605		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
606		.name = "IEC958 Input Source",
607		.info = cs_source_info,
608		.get = cs_source_get,
609		.put = cs_source_put,
610	},
611	{
612		.iface = SNDRV_CTL_ELEM_IFACE_CARD,
613		.name = "GPIO Mask",
614		.info = pontis_gpio_mask_info,
615		.get = pontis_gpio_mask_get,
616		.put = pontis_gpio_mask_put,
617	},
618	{
619		.iface = SNDRV_CTL_ELEM_IFACE_CARD,
620		.name = "GPIO Direction",
621		.info = pontis_gpio_mask_info,
622		.get = pontis_gpio_dir_get,
623		.put = pontis_gpio_dir_put,
624	},
625	{
626		.iface = SNDRV_CTL_ELEM_IFACE_CARD,
627		.name = "GPIO Data",
628		.info = pontis_gpio_mask_info,
629		.get = pontis_gpio_data_get,
630		.put = pontis_gpio_data_put,
631	},
632};
633
634
635/*
636 * WM codec registers
637 */
638static void wm_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
639{
640	struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
641	char line[64];
642	unsigned int reg, val;
643	mutex_lock(&ice->gpio_mutex);
644	while (!snd_info_get_line(buffer, line, sizeof(line))) {
645		if (sscanf(line, "%x %x", &reg, &val) != 2)
646			continue;
647		if (reg <= 0x17 && val <= 0xffff)
648			wm_put(ice, reg, val);
649	}
650	mutex_unlock(&ice->gpio_mutex);
651}
652
653static void wm_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
654{
655	struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
656	int reg, val;
657
658	mutex_lock(&ice->gpio_mutex);
659	for (reg = 0; reg <= 0x17; reg++) {
660		val = wm_get(ice, reg);
661		snd_iprintf(buffer, "%02x = %04x\n", reg, val);
662	}
663	mutex_unlock(&ice->gpio_mutex);
664}
665
666static void wm_proc_init(struct snd_ice1712 *ice)
667{
668	struct snd_info_entry *entry;
669	if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) {
670		snd_info_set_text_ops(entry, ice, wm_proc_regs_read);
671		entry->mode |= S_IWUSR;
672		entry->c.text.write = wm_proc_regs_write;
673	}
674}
675
676static void cs_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
677{
678	struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
679	int reg, val;
680
681	mutex_lock(&ice->gpio_mutex);
682	for (reg = 0; reg <= 0x26; reg++) {
683		val = spi_read(ice, CS_DEV, reg);
684		snd_iprintf(buffer, "%02x = %02x\n", reg, val);
685	}
686	val = spi_read(ice, CS_DEV, 0x7f);
687	snd_iprintf(buffer, "%02x = %02x\n", 0x7f, val);
688	mutex_unlock(&ice->gpio_mutex);
689}
690
691static void cs_proc_init(struct snd_ice1712 *ice)
692{
693	struct snd_info_entry *entry;
694	if (! snd_card_proc_new(ice->card, "cs_codec", &entry))
695		snd_info_set_text_ops(entry, ice, cs_proc_regs_read);
696}
697
698
699static int __devinit pontis_add_controls(struct snd_ice1712 *ice)
700{
701	unsigned int i;
702	int err;
703
704	for (i = 0; i < ARRAY_SIZE(pontis_controls); i++) {
705		err = snd_ctl_add(ice->card, snd_ctl_new1(&pontis_controls[i], ice));
706		if (err < 0)
707			return err;
708	}
709
710	wm_proc_init(ice);
711	cs_proc_init(ice);
712
713	return 0;
714}
715
716
717/*
718 * initialize the chip
719 */
720static int __devinit pontis_init(struct snd_ice1712 *ice)
721{
722	static const unsigned short wm_inits[] = {
723		/* These come first to reduce init pop noise */
724		WM_ADC_MUX,	0x00c0,	/* ADC mute */
725		WM_DAC_MUTE,	0x0001,	/* DAC softmute */
726		WM_DAC_CTRL1,	0x0000,	/* DAC mute */
727
728		WM_POWERDOWN,	0x0008,	/* All power-up except HP */
729		WM_RESET,	0x0000,	/* reset */
730	};
731	static const unsigned short wm_inits2[] = {
732		WM_MASTER_CTRL,	0x0022,	/* 256fs, slave mode */
733		WM_DAC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
734		WM_ADC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
735		WM_DAC_CTRL1,	0x0090,	/* DAC L/R */
736		WM_OUT_MUX,	0x0001,	/* OUT DAC */
737		WM_HP_ATTEN_L,	0x0179,	/* HP 0dB */
738		WM_HP_ATTEN_R,	0x0179,	/* HP 0dB */
739		WM_DAC_ATTEN_L,	0x0000,	/* DAC 0dB */
740		WM_DAC_ATTEN_L,	0x0100,	/* DAC 0dB */
741		WM_DAC_ATTEN_R,	0x0000,	/* DAC 0dB */
742		WM_DAC_ATTEN_R,	0x0100,	/* DAC 0dB */
743		/* WM_DAC_MASTER,	0x0100, */	/* DAC master muted */
744		WM_PHASE_SWAP,	0x0000,	/* phase normal */
745		WM_DAC_CTRL2,	0x0000,	/* no deemphasis, no ZFLG */
746		WM_ADC_ATTEN_L,	0x0000,	/* ADC muted */
747		WM_ADC_ATTEN_R,	0x0000,	/* ADC muted */
748		WM_DAC_MUTE,	0x0000,	/* DAC unmute */
749		WM_ADC_MUX,	0x0003,	/* ADC unmute, both CD/Line On */
750	};
751	static const unsigned char cs_inits[] = {
752		0x04,	0x80,	/* RUN, RXP0 */
753		0x05,	0x05,	/* slave, 24bit */
754		0x01,	0x00,
755		0x02,	0x00,
756		0x03,	0x00,
757	};
758	unsigned int i;
759
760	ice->vt1720 = 1;
761	ice->num_total_dacs = 2;
762	ice->num_total_adcs = 2;
763
764	/* to remeber the register values */
765	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
766	if (! ice->akm)
767		return -ENOMEM;
768	ice->akm_codecs = 1;
769
770	/* HACK - use this as the SPDIF source.
771	 * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
772	 */
773	ice->gpio.saved[0] = 0;
774
775	/* initialize WM8776 codec */
776	for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
777		wm_put(ice, wm_inits[i], wm_inits[i+1]);
778	schedule_timeout_uninterruptible(1);
779	for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2)
780		wm_put(ice, wm_inits2[i], wm_inits2[i+1]);
781
782	/* initialize CS8416 codec */
783	/* assert PRST#; MT05 bit 7 */
784	outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
785	mdelay(5);
786	/* deassert PRST# */
787	outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
788
789	for (i = 0; i < ARRAY_SIZE(cs_inits); i += 2)
790		spi_write(ice, CS_DEV, cs_inits[i], cs_inits[i+1]);
791
792	return 0;
793}
794
795
796/*
797 * Pontis boards don't provide the EEPROM data at all.
798 * hence the driver needs to sets up it properly.
799 */
800
801static unsigned char pontis_eeprom[] __devinitdata = {
802	[ICE_EEP2_SYSCONF]     = 0x08,	/* clock 256, mpu401, spdif-in/ADC, 1DAC */
803	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
804	[ICE_EEP2_I2S]         = 0xf8,	/* vol, 96k, 24bit, 192k */
805	[ICE_EEP2_SPDIF]       = 0xc3,	/* out-en, out-int, spdif-in */
806	[ICE_EEP2_GPIO_DIR]    = 0x07,
807	[ICE_EEP2_GPIO_DIR1]   = 0x00,
808	[ICE_EEP2_GPIO_DIR2]   = 0x00,	/* ignored */
809	[ICE_EEP2_GPIO_MASK]   = 0x0f,	/* 4-7 reserved for CS8416 */
810	[ICE_EEP2_GPIO_MASK1]  = 0xff,
811	[ICE_EEP2_GPIO_MASK2]  = 0x00,	/* ignored */
812	[ICE_EEP2_GPIO_STATE]  = 0x06,	/* 0-low, 1-high, 2-high */
813	[ICE_EEP2_GPIO_STATE1] = 0x00,
814	[ICE_EEP2_GPIO_STATE2] = 0x00,	/* ignored */
815};
816
817/* entry point */
818struct snd_ice1712_card_info snd_vt1720_pontis_cards[] __devinitdata = {
819	{
820		.subvendor = VT1720_SUBDEVICE_PONTIS_MS300,
821		.name = "Pontis MS300",
822		.model = "ms300",
823		.chip_init = pontis_init,
824		.build_controls = pontis_add_controls,
825		.eeprom_size = sizeof(pontis_eeprom),
826		.eeprom_data = pontis_eeprom,
827	},
828	{ } /* terminator */
829};
830