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 <sound/driver.h>
25#include <asm/io.h>
26#include <linux/delay.h>
27#include <linux/interrupt.h>
28#include <linux/init.h>
29#include <linux/slab.h>
30#include <linux/mutex.h>
31
32#include <sound/core.h>
33#include <sound/info.h>
34#include <sound/tlv.h>
35
36#include "ice1712.h"
37#include "envy24ht.h"
38#include "pontis.h"
39
40/* I2C addresses */
41#define WM_DEV		0x34
42#define CS_DEV		0x20
43
44/* WM8776 registers */
45#define WM_HP_ATTEN_L		0x00	/* headphone left attenuation */
46#define WM_HP_ATTEN_R		0x01	/* headphone left attenuation */
47#define WM_HP_MASTER		0x02	/* headphone master (both channels), 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 */
219static int wm_adc_mux_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
220{
221	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
222	uinfo->count = 1;
223	uinfo->value.integer.min = 0;
224	uinfo->value.integer.max = 1;
225	return 0;
226}
227
228static int wm_adc_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
229{
230	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
231	int bit = kcontrol->private_value;
232
233	mutex_lock(&ice->gpio_mutex);
234	ucontrol->value.integer.value[0] = (wm_get(ice, WM_ADC_MUX) & (1 << bit)) ? 1 : 0;
235	mutex_unlock(&ice->gpio_mutex);
236	return 0;
237}
238
239static int wm_adc_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
240{
241	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
242	int bit = kcontrol->private_value;
243	unsigned short oval, nval;
244	int change;
245
246	mutex_lock(&ice->gpio_mutex);
247	nval = oval = wm_get(ice, WM_ADC_MUX);
248	if (ucontrol->value.integer.value[0])
249		nval |= (1 << bit);
250	else
251		nval &= ~(1 << bit);
252	change = nval != oval;
253	if (change) {
254		wm_put(ice, WM_ADC_MUX, nval);
255	}
256	mutex_unlock(&ice->gpio_mutex);
257	return 0;
258}
259
260/*
261 * Analog bypass (In -> Out)
262 */
263static int wm_bypass_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
264{
265	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
266	uinfo->count = 1;
267	uinfo->value.integer.min = 0;
268	uinfo->value.integer.max = 1;
269	return 0;
270}
271
272static int wm_bypass_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
273{
274	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
275
276	mutex_lock(&ice->gpio_mutex);
277	ucontrol->value.integer.value[0] = (wm_get(ice, WM_OUT_MUX) & 0x04) ? 1 : 0;
278	mutex_unlock(&ice->gpio_mutex);
279	return 0;
280}
281
282static int wm_bypass_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
283{
284	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
285	unsigned short val, oval;
286	int change = 0;
287
288	mutex_lock(&ice->gpio_mutex);
289	val = oval = wm_get(ice, WM_OUT_MUX);
290	if (ucontrol->value.integer.value[0])
291		val |= 0x04;
292	else
293		val &= ~0x04;
294	if (val != oval) {
295		wm_put(ice, WM_OUT_MUX, val);
296		change = 1;
297	}
298	mutex_unlock(&ice->gpio_mutex);
299	return change;
300}
301
302/*
303 * Left/Right swap
304 */
305static int wm_chswap_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
306{
307	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
308	uinfo->count = 1;
309	uinfo->value.integer.min = 0;
310	uinfo->value.integer.max = 1;
311	return 0;
312}
313
314static int wm_chswap_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
315{
316	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
317
318	mutex_lock(&ice->gpio_mutex);
319	ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL1) & 0xf0) != 0x90;
320	mutex_unlock(&ice->gpio_mutex);
321	return 0;
322}
323
324static int wm_chswap_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
325{
326	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
327	unsigned short val, oval;
328	int change = 0;
329
330	mutex_lock(&ice->gpio_mutex);
331	oval = wm_get(ice, WM_DAC_CTRL1);
332	val = oval & 0x0f;
333	if (ucontrol->value.integer.value[0])
334		val |= 0x60;
335	else
336		val |= 0x90;
337	if (val != oval) {
338		wm_put(ice, WM_DAC_CTRL1, val);
339		wm_put_nocache(ice, WM_DAC_CTRL1, val);
340		change = 1;
341	}
342	mutex_unlock(&ice->gpio_mutex);
343	return change;
344}
345
346/*
347 * write data in the SPI mode
348 */
349static void set_gpio_bit(struct snd_ice1712 *ice, unsigned int bit, int val)
350{
351	unsigned int tmp = snd_ice1712_gpio_read(ice);
352	if (val)
353		tmp |= bit;
354	else
355		tmp &= ~bit;
356	snd_ice1712_gpio_write(ice, tmp);
357}
358
359static void spi_send_byte(struct snd_ice1712 *ice, unsigned char data)
360{
361	int i;
362	for (i = 0; i < 8; i++) {
363		set_gpio_bit(ice, PONTIS_CS_CLK, 0);
364		udelay(1);
365		set_gpio_bit(ice, PONTIS_CS_WDATA, data & 0x80);
366		udelay(1);
367		set_gpio_bit(ice, PONTIS_CS_CLK, 1);
368		udelay(1);
369		data <<= 1;
370	}
371}
372
373static unsigned int spi_read_byte(struct snd_ice1712 *ice)
374{
375	int i;
376	unsigned int val = 0;
377
378	for (i = 0; i < 8; i++) {
379		val <<= 1;
380		set_gpio_bit(ice, PONTIS_CS_CLK, 0);
381		udelay(1);
382		if (snd_ice1712_gpio_read(ice) & PONTIS_CS_RDATA)
383			val |= 1;
384		udelay(1);
385		set_gpio_bit(ice, PONTIS_CS_CLK, 1);
386		udelay(1);
387	}
388	return val;
389}
390
391
392static void spi_write(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg, unsigned int data)
393{
394	snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
395	snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
396	set_gpio_bit(ice, PONTIS_CS_CS, 0);
397	spi_send_byte(ice, dev & ~1); /* WRITE */
398	spi_send_byte(ice, reg); /* MAP */
399	spi_send_byte(ice, data); /* DATA */
400	/* trigger */
401	set_gpio_bit(ice, PONTIS_CS_CS, 1);
402	udelay(1);
403	/* restore */
404	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
405	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
406}
407
408static unsigned int spi_read(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg)
409{
410	unsigned int val;
411	snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
412	snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
413	set_gpio_bit(ice, PONTIS_CS_CS, 0);
414	spi_send_byte(ice, dev & ~1); /* WRITE */
415	spi_send_byte(ice, reg); /* MAP */
416	/* trigger */
417	set_gpio_bit(ice, PONTIS_CS_CS, 1);
418	udelay(1);
419	set_gpio_bit(ice, PONTIS_CS_CS, 0);
420	spi_send_byte(ice, dev | 1); /* READ */
421	val = spi_read_byte(ice);
422	/* trigger */
423	set_gpio_bit(ice, PONTIS_CS_CS, 1);
424	udelay(1);
425	/* restore */
426	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
427	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
428	return val;
429}
430
431
432/*
433 * SPDIF input source
434 */
435static int cs_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
436{
437	static const char * const texts[] = {
438		"Coax",		/* RXP0 */
439		"Optical",	/* RXP1 */
440		"CD",		/* RXP2 */
441	};
442	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
443	uinfo->count = 1;
444	uinfo->value.enumerated.items = 3;
445	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
446		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
447	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
448	return 0;
449}
450
451static int cs_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
452{
453	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
454
455	mutex_lock(&ice->gpio_mutex);
456	ucontrol->value.enumerated.item[0] = ice->gpio.saved[0];
457	mutex_unlock(&ice->gpio_mutex);
458	return 0;
459}
460
461static int cs_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
462{
463	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
464	unsigned char val;
465	int change = 0;
466
467	mutex_lock(&ice->gpio_mutex);
468	if (ucontrol->value.enumerated.item[0] != ice->gpio.saved[0]) {
469		ice->gpio.saved[0] = ucontrol->value.enumerated.item[0] & 3;
470		val = 0x80 | (ice->gpio.saved[0] << 3);
471		spi_write(ice, CS_DEV, 0x04, val);
472		change = 1;
473	}
474	mutex_unlock(&ice->gpio_mutex);
475	return 0;
476}
477
478
479/*
480 * GPIO controls
481 */
482static int pontis_gpio_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
483{
484	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
485	uinfo->count = 1;
486	uinfo->value.integer.min = 0;
487	uinfo->value.integer.max = 0xffff; /* 16bit */
488	return 0;
489}
490
491static int pontis_gpio_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
492{
493	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
494	mutex_lock(&ice->gpio_mutex);
495	/* 4-7 reserved */
496	ucontrol->value.integer.value[0] = (~ice->gpio.write_mask & 0xffff) | 0x00f0;
497	mutex_unlock(&ice->gpio_mutex);
498	return 0;
499}
500
501static int pontis_gpio_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
502{
503	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
504	unsigned int val;
505	int changed;
506	mutex_lock(&ice->gpio_mutex);
507	/* 4-7 reserved */
508	val = (~ucontrol->value.integer.value[0] & 0xffff) | 0x00f0;
509	changed = val != ice->gpio.write_mask;
510	ice->gpio.write_mask = val;
511	mutex_unlock(&ice->gpio_mutex);
512	return changed;
513}
514
515static int pontis_gpio_dir_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
516{
517	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
518	mutex_lock(&ice->gpio_mutex);
519	/* 4-7 reserved */
520	ucontrol->value.integer.value[0] = ice->gpio.direction & 0xff0f;
521	mutex_unlock(&ice->gpio_mutex);
522	return 0;
523}
524
525static int pontis_gpio_dir_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
526{
527	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
528	unsigned int val;
529	int changed;
530	mutex_lock(&ice->gpio_mutex);
531	/* 4-7 reserved */
532	val = ucontrol->value.integer.value[0] & 0xff0f;
533	changed = (val != ice->gpio.direction);
534	ice->gpio.direction = val;
535	mutex_unlock(&ice->gpio_mutex);
536	return changed;
537}
538
539static int pontis_gpio_data_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
540{
541	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
542	mutex_lock(&ice->gpio_mutex);
543	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
544	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
545	ucontrol->value.integer.value[0] = snd_ice1712_gpio_read(ice) & 0xffff;
546	mutex_unlock(&ice->gpio_mutex);
547	return 0;
548}
549
550static int pontis_gpio_data_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
551{
552	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
553	unsigned int val, nval;
554	int changed = 0;
555	mutex_lock(&ice->gpio_mutex);
556	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
557	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
558	val = snd_ice1712_gpio_read(ice) & 0xffff;
559	nval = ucontrol->value.integer.value[0] & 0xffff;
560	if (val != nval) {
561		snd_ice1712_gpio_write(ice, nval);
562		changed = 1;
563	}
564	mutex_unlock(&ice->gpio_mutex);
565	return changed;
566}
567
568static const DECLARE_TLV_DB_SCALE(db_scale_volume, -6400, 50, 1);
569
570/*
571 * mixers
572 */
573
574static struct snd_kcontrol_new pontis_controls[] __devinitdata = {
575	{
576		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
577		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
578			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
579		.name = "PCM Playback Volume",
580		.info = wm_dac_vol_info,
581		.get = wm_dac_vol_get,
582		.put = wm_dac_vol_put,
583		.tlv = { .p = db_scale_volume },
584	},
585	{
586		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
587		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
588			   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
589		.name = "Capture Volume",
590		.info = wm_adc_vol_info,
591		.get = wm_adc_vol_get,
592		.put = wm_adc_vol_put,
593		.tlv = { .p = db_scale_volume },
594	},
595	{
596		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
597		.name = "CD Capture Switch",
598		.info = wm_adc_mux_info,
599		.get = wm_adc_mux_get,
600		.put = wm_adc_mux_put,
601		.private_value = 0,
602	},
603	{
604		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
605		.name = "Line Capture Switch",
606		.info = wm_adc_mux_info,
607		.get = wm_adc_mux_get,
608		.put = wm_adc_mux_put,
609		.private_value = 1,
610	},
611	{
612		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
613		.name = "Analog Bypass Switch",
614		.info = wm_bypass_info,
615		.get = wm_bypass_get,
616		.put = wm_bypass_put,
617	},
618	{
619		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
620		.name = "Swap Output Channels",
621		.info = wm_chswap_info,
622		.get = wm_chswap_get,
623		.put = wm_chswap_put,
624	},
625	{
626		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
627		.name = "IEC958 Input Source",
628		.info = cs_source_info,
629		.get = cs_source_get,
630		.put = cs_source_put,
631	},
632	{
633		.iface = SNDRV_CTL_ELEM_IFACE_CARD,
634		.name = "GPIO Mask",
635		.info = pontis_gpio_mask_info,
636		.get = pontis_gpio_mask_get,
637		.put = pontis_gpio_mask_put,
638	},
639	{
640		.iface = SNDRV_CTL_ELEM_IFACE_CARD,
641		.name = "GPIO Direction",
642		.info = pontis_gpio_mask_info,
643		.get = pontis_gpio_dir_get,
644		.put = pontis_gpio_dir_put,
645	},
646	{
647		.iface = SNDRV_CTL_ELEM_IFACE_CARD,
648		.name = "GPIO Data",
649		.info = pontis_gpio_mask_info,
650		.get = pontis_gpio_data_get,
651		.put = pontis_gpio_data_put,
652	},
653};
654
655
656/*
657 * WM codec registers
658 */
659static void wm_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
660{
661	struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
662	char line[64];
663	unsigned int reg, val;
664	mutex_lock(&ice->gpio_mutex);
665	while (!snd_info_get_line(buffer, line, sizeof(line))) {
666		if (sscanf(line, "%x %x", &reg, &val) != 2)
667			continue;
668		if (reg <= 0x17 && val <= 0xffff)
669			wm_put(ice, reg, val);
670	}
671	mutex_unlock(&ice->gpio_mutex);
672}
673
674static void wm_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
675{
676	struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
677	int reg, val;
678
679	mutex_lock(&ice->gpio_mutex);
680	for (reg = 0; reg <= 0x17; reg++) {
681		val = wm_get(ice, reg);
682		snd_iprintf(buffer, "%02x = %04x\n", reg, val);
683	}
684	mutex_unlock(&ice->gpio_mutex);
685}
686
687static void wm_proc_init(struct snd_ice1712 *ice)
688{
689	struct snd_info_entry *entry;
690	if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) {
691		snd_info_set_text_ops(entry, ice, wm_proc_regs_read);
692		entry->mode |= S_IWUSR;
693		entry->c.text.write = wm_proc_regs_write;
694	}
695}
696
697static void cs_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
698{
699	struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
700	int reg, val;
701
702	mutex_lock(&ice->gpio_mutex);
703	for (reg = 0; reg <= 0x26; reg++) {
704		val = spi_read(ice, CS_DEV, reg);
705		snd_iprintf(buffer, "%02x = %02x\n", reg, val);
706	}
707	val = spi_read(ice, CS_DEV, 0x7f);
708	snd_iprintf(buffer, "%02x = %02x\n", 0x7f, val);
709	mutex_unlock(&ice->gpio_mutex);
710}
711
712static void cs_proc_init(struct snd_ice1712 *ice)
713{
714	struct snd_info_entry *entry;
715	if (! snd_card_proc_new(ice->card, "cs_codec", &entry))
716		snd_info_set_text_ops(entry, ice, cs_proc_regs_read);
717}
718
719
720static int __devinit pontis_add_controls(struct snd_ice1712 *ice)
721{
722	unsigned int i;
723	int err;
724
725	for (i = 0; i < ARRAY_SIZE(pontis_controls); i++) {
726		err = snd_ctl_add(ice->card, snd_ctl_new1(&pontis_controls[i], ice));
727		if (err < 0)
728			return err;
729	}
730
731	wm_proc_init(ice);
732	cs_proc_init(ice);
733
734	return 0;
735}
736
737
738/*
739 * initialize the chip
740 */
741static int __devinit pontis_init(struct snd_ice1712 *ice)
742{
743	static const unsigned short wm_inits[] = {
744		/* These come first to reduce init pop noise */
745		WM_ADC_MUX,	0x00c0,	/* ADC mute */
746		WM_DAC_MUTE,	0x0001,	/* DAC softmute */
747		WM_DAC_CTRL1,	0x0000,	/* DAC mute */
748
749		WM_POWERDOWN,	0x0008,	/* All power-up except HP */
750		WM_RESET,	0x0000,	/* reset */
751	};
752	static const unsigned short wm_inits2[] = {
753		WM_MASTER_CTRL,	0x0022,	/* 256fs, slave mode */
754		WM_DAC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
755		WM_ADC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
756		WM_DAC_CTRL1,	0x0090,	/* DAC L/R */
757		WM_OUT_MUX,	0x0001,	/* OUT DAC */
758		WM_HP_ATTEN_L,	0x0179,	/* HP 0dB */
759		WM_HP_ATTEN_R,	0x0179,	/* HP 0dB */
760		WM_DAC_ATTEN_L,	0x0000,	/* DAC 0dB */
761		WM_DAC_ATTEN_L,	0x0100,	/* DAC 0dB */
762		WM_DAC_ATTEN_R,	0x0000,	/* DAC 0dB */
763		WM_DAC_ATTEN_R,	0x0100,	/* DAC 0dB */
764		// WM_DAC_MASTER,	0x0100,	/* DAC master muted */
765		WM_PHASE_SWAP,	0x0000,	/* phase normal */
766		WM_DAC_CTRL2,	0x0000,	/* no deemphasis, no ZFLG */
767		WM_ADC_ATTEN_L,	0x0000,	/* ADC muted */
768		WM_ADC_ATTEN_R,	0x0000,	/* ADC muted */
769		WM_DAC_MUTE,	0x0000,	/* DAC unmute */
770		WM_ADC_MUX,	0x0003,	/* ADC unmute, both CD/Line On */
771	};
772	static const unsigned char cs_inits[] = {
773		0x04,	0x80,	/* RUN, RXP0 */
774		0x05,	0x05,	/* slave, 24bit */
775		0x01,	0x00,
776		0x02,	0x00,
777		0x03,	0x00,
778	};
779	unsigned int i;
780
781	ice->vt1720 = 1;
782	ice->num_total_dacs = 2;
783	ice->num_total_adcs = 2;
784
785	/* to remeber the register values */
786	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
787	if (! ice->akm)
788		return -ENOMEM;
789	ice->akm_codecs = 1;
790
791	/* HACK - use this as the SPDIF source.
792	 * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
793	 */
794	ice->gpio.saved[0] = 0;
795
796	/* initialize WM8776 codec */
797	for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
798		wm_put(ice, wm_inits[i], wm_inits[i+1]);
799	schedule_timeout_uninterruptible(1);
800	for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2)
801		wm_put(ice, wm_inits2[i], wm_inits2[i+1]);
802
803	/* initialize CS8416 codec */
804	/* assert PRST#; MT05 bit 7 */
805	outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
806	mdelay(5);
807	/* deassert PRST# */
808	outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
809
810	for (i = 0; i < ARRAY_SIZE(cs_inits); i += 2)
811		spi_write(ice, CS_DEV, cs_inits[i], cs_inits[i+1]);
812
813	return 0;
814}
815
816
817/*
818 * Pontis boards don't provide the EEPROM data at all.
819 * hence the driver needs to sets up it properly.
820 */
821
822static unsigned char pontis_eeprom[] __devinitdata = {
823	[ICE_EEP2_SYSCONF]     = 0x08,	/* clock 256, mpu401, spdif-in/ADC, 1DAC */
824	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
825	[ICE_EEP2_I2S]         = 0xf8,	/* vol, 96k, 24bit, 192k */
826	[ICE_EEP2_SPDIF]       = 0xc3,	/* out-en, out-int, spdif-in */
827	[ICE_EEP2_GPIO_DIR]    = 0x07,
828	[ICE_EEP2_GPIO_DIR1]   = 0x00,
829	[ICE_EEP2_GPIO_DIR2]   = 0x00,	/* ignored */
830	[ICE_EEP2_GPIO_MASK]   = 0x0f,	/* 4-7 reserved for CS8416 */
831	[ICE_EEP2_GPIO_MASK1]  = 0xff,
832	[ICE_EEP2_GPIO_MASK2]  = 0x00,	/* ignored */
833	[ICE_EEP2_GPIO_STATE]  = 0x06,	/* 0-low, 1-high, 2-high */
834	[ICE_EEP2_GPIO_STATE1] = 0x00,
835	[ICE_EEP2_GPIO_STATE2] = 0x00,	/* ignored */
836};
837
838/* entry point */
839struct snd_ice1712_card_info snd_vt1720_pontis_cards[] __devinitdata = {
840	{
841		.subvendor = VT1720_SUBDEVICE_PONTIS_MS300,
842		.name = "Pontis MS300",
843		.model = "ms300",
844		.chip_init = pontis_init,
845		.build_controls = pontis_add_controls,
846		.eeprom_size = sizeof(pontis_eeprom),
847		.eeprom_data = pontis_eeprom,
848	},
849	{ } /* terminator */
850};
851