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1/*
2 *   ALSA driver for ICEnsemble ICE1712 (Envy24)
3 *
4 *   Lowlevel functions for Terratec EWS88MT/D, EWX24/96, DMX 6Fire
5 *
6 *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
7 *                    2002 Takashi Iwai <tiwai@suse.de>
8 *
9 *   This program is free software; you can redistribute it and/or modify
10 *   it under the terms of the GNU General Public License as published by
11 *   the Free Software Foundation; either version 2 of the License, or
12 *   (at your option) any later version.
13 *
14 *   This program is distributed in the hope that it will be useful,
15 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *   GNU General Public License for more details.
18 *
19 *   You should have received a copy of the GNU General Public License
20 *   along with this program; if not, write to the Free Software
21 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22 *
23 */
24
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 <sound/core.h>
31#include <sound/cs8427.h>
32#include <sound/asoundef.h>
33
34#include "ice1712.h"
35#include "ews.h"
36
37#define SND_CS8404
38#include <sound/cs8403.h>
39
40enum {
41	EWS_I2C_CS8404 = 0, EWS_I2C_PCF1, EWS_I2C_PCF2,
42	EWS_I2C_88D = 0,
43	EWS_I2C_6FIRE = 0
44};
45
46
47/* additional i2c devices for EWS boards */
48struct ews_spec {
49	struct snd_i2c_device *i2cdevs[3];
50};
51
52/*
53 * access via i2c mode (for EWX 24/96, EWS 88MT&D)
54 */
55
56/* send SDA and SCL */
57static void ewx_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
58{
59	struct snd_ice1712 *ice = bus->private_data;
60	unsigned char tmp = 0;
61	if (clk)
62		tmp |= ICE1712_EWX2496_SERIAL_CLOCK;
63	if (data)
64		tmp |= ICE1712_EWX2496_SERIAL_DATA;
65	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
66	udelay(5);
67}
68
69static int ewx_i2c_getclock(struct snd_i2c_bus *bus)
70{
71	struct snd_ice1712 *ice = bus->private_data;
72	return snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_CLOCK ? 1 : 0;
73}
74
75static int ewx_i2c_getdata(struct snd_i2c_bus *bus, int ack)
76{
77	struct snd_ice1712 *ice = bus->private_data;
78	int bit;
79	/* set RW pin to low */
80	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_RW);
81	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, 0);
82	if (ack)
83		udelay(5);
84	bit = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_DATA ? 1 : 0;
85	/* set RW pin to high */
86	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, ICE1712_EWX2496_RW);
87	/* reset write mask */
88	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_SERIAL_CLOCK);
89	return bit;
90}
91
92static void ewx_i2c_start(struct snd_i2c_bus *bus)
93{
94	struct snd_ice1712 *ice = bus->private_data;
95	unsigned char mask;
96
97	snd_ice1712_save_gpio_status(ice);
98	/* set RW high */
99	mask = ICE1712_EWX2496_RW;
100	switch (ice->eeprom.subvendor) {
101	case ICE1712_SUBDEVICE_EWX2496:
102		mask |= ICE1712_EWX2496_AK4524_CS; /* CS high also */
103		break;
104	case ICE1712_SUBDEVICE_DMX6FIRE:
105		mask |= ICE1712_6FIRE_AK4524_CS_MASK; /* CS high also */
106		break;
107	}
108	snd_ice1712_gpio_write_bits(ice, mask, mask);
109}
110
111static void ewx_i2c_stop(struct snd_i2c_bus *bus)
112{
113	struct snd_ice1712 *ice = bus->private_data;
114	snd_ice1712_restore_gpio_status(ice);
115}
116
117static void ewx_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
118{
119	struct snd_ice1712 *ice = bus->private_data;
120	unsigned char mask = 0;
121
122	if (clock)
123		mask |= ICE1712_EWX2496_SERIAL_CLOCK; /* write SCL */
124	if (data)
125		mask |= ICE1712_EWX2496_SERIAL_DATA; /* write SDA */
126	ice->gpio.direction &= ~(ICE1712_EWX2496_SERIAL_CLOCK|ICE1712_EWX2496_SERIAL_DATA);
127	ice->gpio.direction |= mask;
128	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, ice->gpio.direction);
129	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~mask);
130}
131
132static struct snd_i2c_bit_ops snd_ice1712_ewx_cs8427_bit_ops = {
133	.start = ewx_i2c_start,
134	.stop = ewx_i2c_stop,
135	.direction = ewx_i2c_direction,
136	.setlines = ewx_i2c_setlines,
137	.getclock = ewx_i2c_getclock,
138	.getdata = ewx_i2c_getdata,
139};
140
141
142/*
143 * AK4524 access
144 */
145
146/* AK4524 chip select; address 0x48 bit 0-3 */
147static int snd_ice1712_ews88mt_chip_select(struct snd_ice1712 *ice, int chip_mask)
148{
149	struct ews_spec *spec = ice->spec;
150	unsigned char data, ndata;
151
152	if (snd_BUG_ON(chip_mask < 0 || chip_mask > 0x0f))
153		return -EINVAL;
154	snd_i2c_lock(ice->i2c);
155	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1)
156		goto __error;
157	ndata = (data & 0xf0) | chip_mask;
158	if (ndata != data)
159		if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_PCF2], &ndata, 1)
160		    != 1)
161			goto __error;
162	snd_i2c_unlock(ice->i2c);
163	return 0;
164
165     __error:
166	snd_i2c_unlock(ice->i2c);
167	snd_printk(KERN_ERR "AK4524 chip select failed, check cable to the front module\n");
168	return -EIO;
169}
170
171/* start callback for EWS88MT, needs to select a certain chip mask */
172static void ews88mt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
173{
174	struct snd_ice1712 *ice = ak->private_data[0];
175	unsigned char tmp;
176	/* assert AK4524 CS */
177	if (snd_ice1712_ews88mt_chip_select(ice, ~(1 << chip) & 0x0f) < 0)
178		snd_printk(KERN_ERR "fatal error (ews88mt chip select)\n");
179	snd_ice1712_save_gpio_status(ice);
180	tmp = ICE1712_EWS88_SERIAL_DATA |
181		ICE1712_EWS88_SERIAL_CLOCK |
182		ICE1712_EWS88_RW;
183	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
184			  ice->gpio.direction | tmp);
185	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
186}
187
188/* stop callback for EWS88MT, needs to deselect chip mask */
189static void ews88mt_ak4524_unlock(struct snd_akm4xxx *ak, int chip)
190{
191	struct snd_ice1712 *ice = ak->private_data[0];
192	snd_ice1712_restore_gpio_status(ice);
193	udelay(1);
194	snd_ice1712_ews88mt_chip_select(ice, 0x0f);
195}
196
197/* start callback for EWX24/96 */
198static void ewx2496_ak4524_lock(struct snd_akm4xxx *ak, int chip)
199{
200	struct snd_ice1712 *ice = ak->private_data[0];
201	unsigned char tmp;
202	snd_ice1712_save_gpio_status(ice);
203	tmp =  ICE1712_EWX2496_SERIAL_DATA |
204		ICE1712_EWX2496_SERIAL_CLOCK |
205		ICE1712_EWX2496_AK4524_CS |
206		ICE1712_EWX2496_RW;
207	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
208			  ice->gpio.direction | tmp);
209	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
210}
211
212/* start callback for DMX 6fire */
213static void dmx6fire_ak4524_lock(struct snd_akm4xxx *ak, int chip)
214{
215	struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
216	struct snd_ice1712 *ice = ak->private_data[0];
217	unsigned char tmp;
218	snd_ice1712_save_gpio_status(ice);
219	tmp = priv->cs_mask = priv->cs_addr = (1 << chip) & ICE1712_6FIRE_AK4524_CS_MASK;
220	tmp |= ICE1712_6FIRE_SERIAL_DATA |
221		ICE1712_6FIRE_SERIAL_CLOCK |
222		ICE1712_6FIRE_RW;
223	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
224			  ice->gpio.direction | tmp);
225	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
226}
227
228/*
229 * CS8404 interface on EWS88MT/D
230 */
231
232static void snd_ice1712_ews_cs8404_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
233{
234	struct ews_spec *spec = ice->spec;
235	unsigned char bytes[2];
236
237	snd_i2c_lock(ice->i2c);
238	switch (ice->eeprom.subvendor) {
239	case ICE1712_SUBDEVICE_EWS88MT:
240	case ICE1712_SUBDEVICE_EWS88MT_NEW:
241	case ICE1712_SUBDEVICE_PHASE88:
242	case ICE1712_SUBDEVICE_TS88:
243		if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_CS8404], &bits, 1)
244		    != 1)
245			goto _error;
246		break;
247	case ICE1712_SUBDEVICE_EWS88D:
248		if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_88D], bytes, 2)
249		    != 2)
250			goto _error;
251		if (bits != bytes[1]) {
252			bytes[1] = bits;
253			if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_88D],
254					      bytes, 2) != 2)
255				goto _error;
256		}
257		break;
258	}
259 _error:
260	snd_i2c_unlock(ice->i2c);
261}
262
263/*
264 */
265
266static void ews88_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
267{
268	snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
269}
270
271static int ews88_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
272{
273	unsigned int val;
274	int change;
275
276	val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
277	spin_lock_irq(&ice->reg_lock);
278	change = ice->spdif.cs8403_bits != val;
279	ice->spdif.cs8403_bits = val;
280	if (change && ice->playback_pro_substream == NULL) {
281		spin_unlock_irq(&ice->reg_lock);
282		snd_ice1712_ews_cs8404_spdif_write(ice, val);
283	} else {
284		spin_unlock_irq(&ice->reg_lock);
285	}
286	return change;
287}
288
289static void ews88_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
290{
291	snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
292}
293
294static int ews88_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
295{
296	unsigned int val;
297	int change;
298
299	val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
300	spin_lock_irq(&ice->reg_lock);
301	change = ice->spdif.cs8403_stream_bits != val;
302	ice->spdif.cs8403_stream_bits = val;
303	if (change && ice->playback_pro_substream != NULL) {
304		spin_unlock_irq(&ice->reg_lock);
305		snd_ice1712_ews_cs8404_spdif_write(ice, val);
306	} else {
307		spin_unlock_irq(&ice->reg_lock);
308	}
309	return change;
310}
311
312
313/* open callback */
314static void ews88_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
315{
316	ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
317}
318
319/* set up SPDIF for EWS88MT / EWS88D */
320static void ews88_setup_spdif(struct snd_ice1712 *ice, int rate)
321{
322	unsigned long flags;
323	unsigned char tmp;
324	int change;
325
326	spin_lock_irqsave(&ice->reg_lock, flags);
327	tmp = ice->spdif.cs8403_stream_bits;
328	if (tmp & 0x10)		/* consumer */
329		tmp &= (tmp & 0x01) ? ~0x06 : ~0x60;
330	switch (rate) {
331	case 32000: tmp |= (tmp & 0x01) ? 0x02 : 0x00; break;
332	case 44100: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
333	case 48000: tmp |= (tmp & 0x01) ? 0x04 : 0x20; break;
334	default: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
335	}
336	change = ice->spdif.cs8403_stream_bits != tmp;
337	ice->spdif.cs8403_stream_bits = tmp;
338	spin_unlock_irqrestore(&ice->reg_lock, flags);
339	if (change)
340		snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
341	snd_ice1712_ews_cs8404_spdif_write(ice, tmp);
342}
343
344
345/*
346 */
347static struct snd_akm4xxx akm_ews88mt __devinitdata = {
348	.num_adcs = 8,
349	.num_dacs = 8,
350	.type = SND_AK4524,
351	.ops = {
352		.lock = ews88mt_ak4524_lock,
353		.unlock = ews88mt_ak4524_unlock
354	}
355};
356
357static struct snd_ak4xxx_private akm_ews88mt_priv __devinitdata = {
358	.caddr = 2,
359	.cif = 1, /* CIF high */
360	.data_mask = ICE1712_EWS88_SERIAL_DATA,
361	.clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
362	.cs_mask = 0,
363	.cs_addr = 0,
364	.cs_none = 0, /* no chip select on gpio */
365	.add_flags = ICE1712_EWS88_RW, /* set rw bit high */
366	.mask_flags = 0,
367};
368
369static struct snd_akm4xxx akm_ewx2496 __devinitdata = {
370	.num_adcs = 2,
371	.num_dacs = 2,
372	.type = SND_AK4524,
373	.ops = {
374		.lock = ewx2496_ak4524_lock
375	}
376};
377
378static struct snd_ak4xxx_private akm_ewx2496_priv __devinitdata = {
379	.caddr = 2,
380	.cif = 1, /* CIF high */
381	.data_mask = ICE1712_EWS88_SERIAL_DATA,
382	.clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
383	.cs_mask = ICE1712_EWX2496_AK4524_CS,
384	.cs_addr = ICE1712_EWX2496_AK4524_CS,
385	.cs_none = 0,
386	.add_flags = ICE1712_EWS88_RW, /* set rw bit high */
387	.mask_flags = 0,
388};
389
390static struct snd_akm4xxx akm_6fire __devinitdata = {
391	.num_adcs = 6,
392	.num_dacs = 6,
393	.type = SND_AK4524,
394	.ops = {
395		.lock = dmx6fire_ak4524_lock
396	}
397};
398
399static struct snd_ak4xxx_private akm_6fire_priv __devinitdata = {
400	.caddr = 2,
401	.cif = 1, /* CIF high */
402	.data_mask = ICE1712_6FIRE_SERIAL_DATA,
403	.clk_mask = ICE1712_6FIRE_SERIAL_CLOCK,
404	.cs_mask = 0,
405	.cs_addr = 0, /* set later */
406	.cs_none = 0,
407	.add_flags = ICE1712_6FIRE_RW, /* set rw bit high */
408	.mask_flags = 0,
409};
410
411/*
412 * initialize the chip
413 */
414
415/* 6fire specific */
416#define PCF9554_REG_INPUT      0
417#define PCF9554_REG_OUTPUT     1
418#define PCF9554_REG_POLARITY   2
419#define PCF9554_REG_CONFIG     3
420
421static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data);
422
423static int __devinit snd_ice1712_ews_init(struct snd_ice1712 *ice)
424{
425	int err;
426	struct snd_akm4xxx *ak;
427	struct ews_spec *spec;
428
429	/* set the analog DACs */
430	switch (ice->eeprom.subvendor) {
431	case ICE1712_SUBDEVICE_EWX2496:
432		ice->num_total_dacs = 2;
433		ice->num_total_adcs = 2;
434		break;
435	case ICE1712_SUBDEVICE_EWS88MT:
436	case ICE1712_SUBDEVICE_EWS88MT_NEW:
437	case ICE1712_SUBDEVICE_PHASE88:
438	case ICE1712_SUBDEVICE_TS88:
439		ice->num_total_dacs = 8;
440		ice->num_total_adcs = 8;
441		break;
442	case ICE1712_SUBDEVICE_EWS88D:
443		/* Note: not analog but ADAT I/O */
444		ice->num_total_dacs = 8;
445		ice->num_total_adcs = 8;
446		break;
447	case ICE1712_SUBDEVICE_DMX6FIRE:
448		ice->num_total_dacs = 6;
449		ice->num_total_adcs = 6;
450		break;
451	}
452
453	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
454	if (!spec)
455		return -ENOMEM;
456	ice->spec = spec;
457
458	/* create i2c */
459	if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
460		snd_printk(KERN_ERR "unable to create I2C bus\n");
461		return err;
462	}
463	ice->i2c->private_data = ice;
464	ice->i2c->hw_ops.bit = &snd_ice1712_ewx_cs8427_bit_ops;
465
466	/* create i2c devices */
467	switch (ice->eeprom.subvendor) {
468	case ICE1712_SUBDEVICE_DMX6FIRE:
469		err = snd_i2c_device_create(ice->i2c, "PCF9554",
470					    ICE1712_6FIRE_PCF9554_ADDR,
471					    &spec->i2cdevs[EWS_I2C_6FIRE]);
472		if (err < 0) {
473			snd_printk(KERN_ERR "PCF9554 initialization failed\n");
474			return err;
475		}
476		snd_ice1712_6fire_write_pca(ice, PCF9554_REG_CONFIG, 0x80);
477		break;
478	case ICE1712_SUBDEVICE_EWS88MT:
479	case ICE1712_SUBDEVICE_EWS88MT_NEW:
480	case ICE1712_SUBDEVICE_PHASE88:
481	case ICE1712_SUBDEVICE_TS88:
482
483		err = snd_i2c_device_create(ice->i2c, "CS8404",
484					    ICE1712_EWS88MT_CS8404_ADDR,
485					    &spec->i2cdevs[EWS_I2C_CS8404]);
486		if (err < 0)
487			return err;
488		err = snd_i2c_device_create(ice->i2c, "PCF8574 (1st)",
489					    ICE1712_EWS88MT_INPUT_ADDR,
490					    &spec->i2cdevs[EWS_I2C_PCF1]);
491		if (err < 0)
492			return err;
493		err = snd_i2c_device_create(ice->i2c, "PCF8574 (2nd)",
494					    ICE1712_EWS88MT_OUTPUT_ADDR,
495					    &spec->i2cdevs[EWS_I2C_PCF2]);
496		if (err < 0)
497			return err;
498		/* Check if the front module is connected */
499		if ((err = snd_ice1712_ews88mt_chip_select(ice, 0x0f)) < 0)
500			return err;
501		break;
502	case ICE1712_SUBDEVICE_EWS88D:
503		err = snd_i2c_device_create(ice->i2c, "PCF8575",
504					    ICE1712_EWS88D_PCF_ADDR,
505					    &spec->i2cdevs[EWS_I2C_88D]);
506		if (err < 0)
507			return err;
508		break;
509	}
510
511	/* set up SPDIF interface */
512	switch (ice->eeprom.subvendor) {
513	case ICE1712_SUBDEVICE_EWX2496:
514		if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
515			return err;
516		snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
517		break;
518	case ICE1712_SUBDEVICE_DMX6FIRE:
519		if ((err = snd_ice1712_init_cs8427(ice, ICE1712_6FIRE_CS8427_ADDR)) < 0)
520			return err;
521		snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
522		break;
523	case ICE1712_SUBDEVICE_EWS88MT:
524	case ICE1712_SUBDEVICE_EWS88MT_NEW:
525	case ICE1712_SUBDEVICE_PHASE88:
526	case ICE1712_SUBDEVICE_TS88:
527	case ICE1712_SUBDEVICE_EWS88D:
528		/* set up CS8404 */
529		ice->spdif.ops.open = ews88_open_spdif;
530		ice->spdif.ops.setup_rate = ews88_setup_spdif;
531		ice->spdif.ops.default_get = ews88_spdif_default_get;
532		ice->spdif.ops.default_put = ews88_spdif_default_put;
533		ice->spdif.ops.stream_get = ews88_spdif_stream_get;
534		ice->spdif.ops.stream_put = ews88_spdif_stream_put;
535		/* Set spdif defaults */
536		snd_ice1712_ews_cs8404_spdif_write(ice, ice->spdif.cs8403_bits);
537		break;
538	}
539
540	/* no analog? */
541	switch (ice->eeprom.subvendor) {
542	case ICE1712_SUBDEVICE_EWS88D:
543		return 0;
544	}
545
546	/* analog section */
547	ak = ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
548	if (! ak)
549		return -ENOMEM;
550	ice->akm_codecs = 1;
551
552	switch (ice->eeprom.subvendor) {
553	case ICE1712_SUBDEVICE_EWS88MT:
554	case ICE1712_SUBDEVICE_EWS88MT_NEW:
555	case ICE1712_SUBDEVICE_PHASE88:
556	case ICE1712_SUBDEVICE_TS88:
557		err = snd_ice1712_akm4xxx_init(ak, &akm_ews88mt, &akm_ews88mt_priv, ice);
558		break;
559	case ICE1712_SUBDEVICE_EWX2496:
560		err = snd_ice1712_akm4xxx_init(ak, &akm_ewx2496, &akm_ewx2496_priv, ice);
561		break;
562	case ICE1712_SUBDEVICE_DMX6FIRE:
563		err = snd_ice1712_akm4xxx_init(ak, &akm_6fire, &akm_6fire_priv, ice);
564		break;
565	default:
566		err = 0;
567	}
568
569	return err;
570}
571
572/*
573 * EWX 24/96 specific controls
574 */
575
576/* i/o sensitivity - this callback is shared among other devices, too */
577static int snd_ice1712_ewx_io_sense_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo){
578
579	static char *texts[2] = {
580		"+4dBu", "-10dBV",
581	};
582	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
583	uinfo->count = 1;
584	uinfo->value.enumerated.items = 2;
585	if (uinfo->value.enumerated.item >= 2)
586		uinfo->value.enumerated.item = 1;
587	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
588	return 0;
589}
590
591static int snd_ice1712_ewx_io_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
592{
593	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
594	unsigned char mask = kcontrol->private_value & 0xff;
595
596	snd_ice1712_save_gpio_status(ice);
597	ucontrol->value.enumerated.item[0] = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & mask ? 1 : 0;
598	snd_ice1712_restore_gpio_status(ice);
599	return 0;
600}
601
602static int snd_ice1712_ewx_io_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
603{
604	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
605	unsigned char mask = kcontrol->private_value & 0xff;
606	int val, nval;
607
608	if (kcontrol->private_value & (1 << 31))
609		return -EPERM;
610	nval = ucontrol->value.enumerated.item[0] ? mask : 0;
611	snd_ice1712_save_gpio_status(ice);
612	val = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
613	nval |= val & ~mask;
614	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, nval);
615	snd_ice1712_restore_gpio_status(ice);
616	return val != nval;
617}
618
619static struct snd_kcontrol_new snd_ice1712_ewx2496_controls[] __devinitdata = {
620	{
621		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
622		.name = "Input Sensitivity Switch",
623		.info = snd_ice1712_ewx_io_sense_info,
624		.get = snd_ice1712_ewx_io_sense_get,
625		.put = snd_ice1712_ewx_io_sense_put,
626		.private_value = ICE1712_EWX2496_AIN_SEL,
627	},
628	{
629		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
630		.name = "Output Sensitivity Switch",
631		.info = snd_ice1712_ewx_io_sense_info,
632		.get = snd_ice1712_ewx_io_sense_get,
633		.put = snd_ice1712_ewx_io_sense_put,
634		.private_value = ICE1712_EWX2496_AOUT_SEL,
635	},
636};
637
638
639/*
640 * EWS88MT specific controls
641 */
642/* analog output sensitivity;; address 0x48 bit 6 */
643static int snd_ice1712_ews88mt_output_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
644{
645	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
646	struct ews_spec *spec = ice->spec;
647	unsigned char data;
648
649	snd_i2c_lock(ice->i2c);
650	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1) {
651		snd_i2c_unlock(ice->i2c);
652		return -EIO;
653	}
654	snd_i2c_unlock(ice->i2c);
655	ucontrol->value.enumerated.item[0] = data & ICE1712_EWS88MT_OUTPUT_SENSE ? 1 : 0; /* high = -10dBV, low = +4dBu */
656	return 0;
657}
658
659/* analog output sensitivity;; address 0x48 bit 6 */
660static int snd_ice1712_ews88mt_output_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
661{
662	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
663	struct ews_spec *spec = ice->spec;
664	unsigned char data, ndata;
665
666	snd_i2c_lock(ice->i2c);
667	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1) {
668		snd_i2c_unlock(ice->i2c);
669		return -EIO;
670	}
671	ndata = (data & ~ICE1712_EWS88MT_OUTPUT_SENSE) | (ucontrol->value.enumerated.item[0] ? ICE1712_EWS88MT_OUTPUT_SENSE : 0);
672	if (ndata != data && snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_PCF2],
673					       &ndata, 1) != 1) {
674		snd_i2c_unlock(ice->i2c);
675		return -EIO;
676	}
677	snd_i2c_unlock(ice->i2c);
678	return ndata != data;
679}
680
681/* analog input sensitivity; address 0x46 */
682static int snd_ice1712_ews88mt_input_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
683{
684	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
685	struct ews_spec *spec = ice->spec;
686	int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
687	unsigned char data;
688
689	if (snd_BUG_ON(channel < 0 || channel > 7))
690		return 0;
691	snd_i2c_lock(ice->i2c);
692	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) {
693		snd_i2c_unlock(ice->i2c);
694		return -EIO;
695	}
696	/* reversed; high = +4dBu, low = -10dBV */
697	ucontrol->value.enumerated.item[0] = data & (1 << channel) ? 0 : 1;
698	snd_i2c_unlock(ice->i2c);
699	return 0;
700}
701
702/* analog output sensitivity; address 0x46 */
703static int snd_ice1712_ews88mt_input_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
704{
705	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
706	struct ews_spec *spec = ice->spec;
707	int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
708	unsigned char data, ndata;
709
710	if (snd_BUG_ON(channel < 0 || channel > 7))
711		return 0;
712	snd_i2c_lock(ice->i2c);
713	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) {
714		snd_i2c_unlock(ice->i2c);
715		return -EIO;
716	}
717	ndata = (data & ~(1 << channel)) | (ucontrol->value.enumerated.item[0] ? 0 : (1 << channel));
718	if (ndata != data && snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_PCF1],
719					       &ndata, 1) != 1) {
720		snd_i2c_unlock(ice->i2c);
721		return -EIO;
722	}
723	snd_i2c_unlock(ice->i2c);
724	return ndata != data;
725}
726
727static struct snd_kcontrol_new snd_ice1712_ews88mt_input_sense __devinitdata = {
728	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
729	.name = "Input Sensitivity Switch",
730	.info = snd_ice1712_ewx_io_sense_info,
731	.get = snd_ice1712_ews88mt_input_sense_get,
732	.put = snd_ice1712_ews88mt_input_sense_put,
733	.count = 8,
734};
735
736static struct snd_kcontrol_new snd_ice1712_ews88mt_output_sense __devinitdata = {
737	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
738	.name = "Output Sensitivity Switch",
739	.info = snd_ice1712_ewx_io_sense_info,
740	.get = snd_ice1712_ews88mt_output_sense_get,
741	.put = snd_ice1712_ews88mt_output_sense_put,
742};
743
744
745/*
746 * EWS88D specific controls
747 */
748
749#define snd_ice1712_ews88d_control_info		snd_ctl_boolean_mono_info
750
751static int snd_ice1712_ews88d_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
752{
753	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
754	struct ews_spec *spec = ice->spec;
755	int shift = kcontrol->private_value & 0xff;
756	int invert = (kcontrol->private_value >> 8) & 1;
757	unsigned char data[2];
758
759	snd_i2c_lock(ice->i2c);
760	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_88D], data, 2) != 2) {
761		snd_i2c_unlock(ice->i2c);
762		return -EIO;
763	}
764	snd_i2c_unlock(ice->i2c);
765	data[0] = (data[shift >> 3] >> (shift & 7)) & 0x01;
766	if (invert)
767		data[0] ^= 0x01;
768	ucontrol->value.integer.value[0] = data[0];
769	return 0;
770}
771
772static int snd_ice1712_ews88d_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
773{
774	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
775	struct ews_spec *spec = ice->spec;
776	int shift = kcontrol->private_value & 0xff;
777	int invert = (kcontrol->private_value >> 8) & 1;
778	unsigned char data[2], ndata[2];
779	int change;
780
781	snd_i2c_lock(ice->i2c);
782	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_88D], data, 2) != 2) {
783		snd_i2c_unlock(ice->i2c);
784		return -EIO;
785	}
786	ndata[shift >> 3] = data[shift >> 3] & ~(1 << (shift & 7));
787	if (invert) {
788		if (! ucontrol->value.integer.value[0])
789			ndata[shift >> 3] |= (1 << (shift & 7));
790	} else {
791		if (ucontrol->value.integer.value[0])
792			ndata[shift >> 3] |= (1 << (shift & 7));
793	}
794	change = (data[shift >> 3] != ndata[shift >> 3]);
795	if (change &&
796	    snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_88D], data, 2) != 2) {
797		snd_i2c_unlock(ice->i2c);
798		return -EIO;
799	}
800	snd_i2c_unlock(ice->i2c);
801	return change;
802}
803
804#define EWS88D_CONTROL(xiface, xname, xshift, xinvert, xaccess) \
805{ .iface = xiface,\
806  .name = xname,\
807  .access = xaccess,\
808  .info = snd_ice1712_ews88d_control_info,\
809  .get = snd_ice1712_ews88d_control_get,\
810  .put = snd_ice1712_ews88d_control_put,\
811  .private_value = xshift | (xinvert << 8),\
812}
813
814static struct snd_kcontrol_new snd_ice1712_ews88d_controls[] __devinitdata = {
815	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, 1, 0), /* inverted */
816	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Output Optical", 1, 0, 0),
817	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT External Master Clock", 2, 0, 0),
818	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "Enable ADAT", 3, 0, 0),
819	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Through", 4, 1, 0),
820};
821
822
823/*
824 * DMX 6Fire specific controls
825 */
826
827static int snd_ice1712_6fire_read_pca(struct snd_ice1712 *ice, unsigned char reg)
828{
829	unsigned char byte;
830	struct ews_spec *spec = ice->spec;
831
832	snd_i2c_lock(ice->i2c);
833	byte = reg;
834	snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1);
835	byte = 0;
836	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1) != 1) {
837		snd_i2c_unlock(ice->i2c);
838		printk(KERN_ERR "cannot read pca\n");
839		return -EIO;
840	}
841	snd_i2c_unlock(ice->i2c);
842	return byte;
843}
844
845static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data)
846{
847	unsigned char bytes[2];
848	struct ews_spec *spec = ice->spec;
849
850	snd_i2c_lock(ice->i2c);
851	bytes[0] = reg;
852	bytes[1] = data;
853	if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], bytes, 2) != 2) {
854		snd_i2c_unlock(ice->i2c);
855		return -EIO;
856	}
857	snd_i2c_unlock(ice->i2c);
858	return 0;
859}
860
861#define snd_ice1712_6fire_control_info		snd_ctl_boolean_mono_info
862
863static int snd_ice1712_6fire_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
864{
865	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
866	int shift = kcontrol->private_value & 0xff;
867	int invert = (kcontrol->private_value >> 8) & 1;
868	int data;
869
870	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
871		return data;
872	data = (data >> shift) & 1;
873	if (invert)
874		data ^= 1;
875	ucontrol->value.integer.value[0] = data;
876	return 0;
877}
878
879static int snd_ice1712_6fire_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
880{
881	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
882	int shift = kcontrol->private_value & 0xff;
883	int invert = (kcontrol->private_value >> 8) & 1;
884	int data, ndata;
885
886	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
887		return data;
888	ndata = data & ~(1 << shift);
889	if (ucontrol->value.integer.value[0])
890		ndata |= (1 << shift);
891	if (invert)
892		ndata ^= (1 << shift);
893	if (data != ndata) {
894		snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
895		return 1;
896	}
897	return 0;
898}
899
900static int snd_ice1712_6fire_select_input_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
901{
902	static char *texts[4] = {
903		"Internal", "Front Input", "Rear Input", "Wave Table"
904	};
905	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
906	uinfo->count = 1;
907	uinfo->value.enumerated.items = 4;
908	if (uinfo->value.enumerated.item >= 4)
909		uinfo->value.enumerated.item = 1;
910	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
911	return 0;
912}
913
914static int snd_ice1712_6fire_select_input_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
915{
916	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
917	int data;
918
919	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
920		return data;
921	ucontrol->value.integer.value[0] = data & 3;
922	return 0;
923}
924
925static int snd_ice1712_6fire_select_input_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
926{
927	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
928	int data, ndata;
929
930	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
931		return data;
932	ndata = data & ~3;
933	ndata |= (ucontrol->value.integer.value[0] & 3);
934	if (data != ndata) {
935		snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
936		return 1;
937	}
938	return 0;
939}
940
941
942#define DMX6FIRE_CONTROL(xname, xshift, xinvert) \
943{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
944  .name = xname,\
945  .info = snd_ice1712_6fire_control_info,\
946  .get = snd_ice1712_6fire_control_get,\
947  .put = snd_ice1712_6fire_control_put,\
948  .private_value = xshift | (xinvert << 8),\
949}
950
951static struct snd_kcontrol_new snd_ice1712_6fire_controls[] __devinitdata = {
952	{
953		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
954		.name = "Analog Input Select",
955		.info = snd_ice1712_6fire_select_input_info,
956		.get = snd_ice1712_6fire_select_input_get,
957		.put = snd_ice1712_6fire_select_input_put,
958	},
959	DMX6FIRE_CONTROL("Front Digital Input Switch", 2, 1),
960	// DMX6FIRE_CONTROL("Master Clock Select", 3, 0),
961	DMX6FIRE_CONTROL("Optical Digital Input Switch", 4, 0),
962	DMX6FIRE_CONTROL("Phono Analog Input Switch", 5, 0),
963	DMX6FIRE_CONTROL("Breakbox LED", 6, 0),
964};
965
966
967static int __devinit snd_ice1712_ews_add_controls(struct snd_ice1712 *ice)
968{
969	unsigned int idx;
970	int err;
971
972	/* all terratec cards have spdif, but cs8427 module builds it's own controls */
973	if (ice->cs8427 == NULL) {
974		err = snd_ice1712_spdif_build_controls(ice);
975		if (err < 0)
976			return err;
977	}
978
979	/* ak4524 controls */
980	switch (ice->eeprom.subvendor) {
981	case ICE1712_SUBDEVICE_EWX2496:
982	case ICE1712_SUBDEVICE_EWS88MT:
983	case ICE1712_SUBDEVICE_EWS88MT_NEW:
984	case ICE1712_SUBDEVICE_PHASE88:
985	case ICE1712_SUBDEVICE_TS88:
986	case ICE1712_SUBDEVICE_DMX6FIRE:
987		err = snd_ice1712_akm4xxx_build_controls(ice);
988		if (err < 0)
989			return err;
990		break;
991	}
992
993	/* card specific controls */
994	switch (ice->eeprom.subvendor) {
995	case ICE1712_SUBDEVICE_EWX2496:
996		for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ewx2496_controls); idx++) {
997			err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ewx2496_controls[idx], ice));
998			if (err < 0)
999				return err;
1000		}
1001		break;
1002	case ICE1712_SUBDEVICE_EWS88MT:
1003	case ICE1712_SUBDEVICE_EWS88MT_NEW:
1004	case ICE1712_SUBDEVICE_PHASE88:
1005	case ICE1712_SUBDEVICE_TS88:
1006		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_input_sense, ice));
1007		if (err < 0)
1008			return err;
1009		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_output_sense, ice));
1010		if (err < 0)
1011			return err;
1012		break;
1013	case ICE1712_SUBDEVICE_EWS88D:
1014		for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ews88d_controls); idx++) {
1015			err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88d_controls[idx], ice));
1016			if (err < 0)
1017				return err;
1018		}
1019		break;
1020	case ICE1712_SUBDEVICE_DMX6FIRE:
1021		for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_6fire_controls); idx++) {
1022			err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_6fire_controls[idx], ice));
1023			if (err < 0)
1024				return err;
1025		}
1026		break;
1027	}
1028	return 0;
1029}
1030
1031
1032/* entry point */
1033struct snd_ice1712_card_info snd_ice1712_ews_cards[] __devinitdata = {
1034	{
1035		.subvendor = ICE1712_SUBDEVICE_EWX2496,
1036		.name = "TerraTec EWX24/96",
1037		.model = "ewx2496",
1038		.chip_init = snd_ice1712_ews_init,
1039		.build_controls = snd_ice1712_ews_add_controls,
1040	},
1041	{
1042		.subvendor = ICE1712_SUBDEVICE_EWS88MT,
1043		.name = "TerraTec EWS88MT",
1044		.model = "ews88mt",
1045		.chip_init = snd_ice1712_ews_init,
1046		.build_controls = snd_ice1712_ews_add_controls,
1047	},
1048	{
1049		.subvendor = ICE1712_SUBDEVICE_EWS88MT_NEW,
1050		.name = "TerraTec EWS88MT",
1051		.model = "ews88mt_new",
1052		.chip_init = snd_ice1712_ews_init,
1053		.build_controls = snd_ice1712_ews_add_controls,
1054	},
1055	{
1056		.subvendor = ICE1712_SUBDEVICE_PHASE88,
1057		.name = "TerraTec Phase88",
1058		.model = "phase88",
1059		.chip_init = snd_ice1712_ews_init,
1060		.build_controls = snd_ice1712_ews_add_controls,
1061	},
1062	{
1063		.subvendor = ICE1712_SUBDEVICE_TS88,
1064		.name = "terrasoniq TS88",
1065		.model = "phase88",
1066		.chip_init = snd_ice1712_ews_init,
1067		.build_controls = snd_ice1712_ews_add_controls,
1068	},
1069	{
1070		.subvendor = ICE1712_SUBDEVICE_EWS88D,
1071		.name = "TerraTec EWS88D",
1072		.model = "ews88d",
1073		.chip_init = snd_ice1712_ews_init,
1074		.build_controls = snd_ice1712_ews_add_controls,
1075	},
1076	{
1077		.subvendor = ICE1712_SUBDEVICE_DMX6FIRE,
1078		.name = "TerraTec DMX6Fire",
1079		.model = "dmx6fire",
1080		.chip_init = snd_ice1712_ews_init,
1081		.build_controls = snd_ice1712_ews_add_controls,
1082		.mpu401_1_name = "MIDI-Front DMX6fire",
1083		.mpu401_2_name = "Wavetable DMX6fire",
1084		.mpu401_2_info_flags = MPU401_INFO_OUTPUT,
1085	},
1086	{ } /* terminator */
1087};
1088