xref: /linux/sound/pci/ice1712/delta.c (revision 9004acc70e8c49c50c4c7b652f906f1e0ed5709d)
1 /*
2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
3  *
4  *   Lowlevel functions for M-Audio Delta 1010, 44, 66, Dio2496, Audiophile
5  *                          Digigram VX442
6  *
7  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
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 <linux/mutex.h>
31 
32 #include <sound/core.h>
33 #include <sound/cs8427.h>
34 #include <sound/asoundef.h>
35 
36 #include "ice1712.h"
37 #include "delta.h"
38 
39 #define SND_CS8403
40 #include <sound/cs8403.h>
41 
42 
43 /*
44  * CS8427 via SPI mode (for Audiophile), emulated I2C
45  */
46 
47 /* send 8 bits */
48 static void ap_cs8427_write_byte(struct snd_ice1712 *ice, unsigned char data, unsigned char tmp)
49 {
50 	int idx;
51 
52 	for (idx = 7; idx >= 0; idx--) {
53 		tmp &= ~(ICE1712_DELTA_AP_DOUT|ICE1712_DELTA_AP_CCLK);
54 		if (data & (1 << idx))
55 			tmp |= ICE1712_DELTA_AP_DOUT;
56 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
57 		udelay(5);
58 		tmp |= ICE1712_DELTA_AP_CCLK;
59 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
60 		udelay(5);
61 	}
62 }
63 
64 /* read 8 bits */
65 static unsigned char ap_cs8427_read_byte(struct snd_ice1712 *ice, unsigned char tmp)
66 {
67 	unsigned char data = 0;
68 	int idx;
69 
70 	for (idx = 7; idx >= 0; idx--) {
71 		tmp &= ~ICE1712_DELTA_AP_CCLK;
72 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
73 		udelay(5);
74 		if (snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_DELTA_AP_DIN)
75 			data |= 1 << idx;
76 		tmp |= ICE1712_DELTA_AP_CCLK;
77 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
78 		udelay(5);
79 	}
80 	return data;
81 }
82 
83 /* assert chip select */
84 static unsigned char ap_cs8427_codec_select(struct snd_ice1712 *ice)
85 {
86 	unsigned char tmp;
87 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
88 	switch (ice->eeprom.subvendor) {
89 	case ICE1712_SUBDEVICE_DELTA1010LT:
90 		tmp &= ~ICE1712_DELTA_1010LT_CS;
91 		tmp |= ICE1712_DELTA_1010LT_CCLK | ICE1712_DELTA_1010LT_CS_CS8427;
92 		break;
93 	case ICE1712_SUBDEVICE_AUDIOPHILE:
94 	case ICE1712_SUBDEVICE_DELTA410:
95 		tmp |= ICE1712_DELTA_AP_CCLK | ICE1712_DELTA_AP_CS_CODEC;
96 		tmp &= ~ICE1712_DELTA_AP_CS_DIGITAL;
97 		break;
98 	case ICE1712_SUBDEVICE_VX442:
99 		tmp |= ICE1712_VX442_CCLK | ICE1712_VX442_CODEC_CHIP_A | ICE1712_VX442_CODEC_CHIP_B;
100 		tmp &= ~ICE1712_VX442_CS_DIGITAL;
101 		break;
102 	}
103 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
104 	udelay(5);
105 	return tmp;
106 }
107 
108 /* deassert chip select */
109 static void ap_cs8427_codec_deassert(struct snd_ice1712 *ice, unsigned char tmp)
110 {
111 	switch (ice->eeprom.subvendor) {
112 	case ICE1712_SUBDEVICE_DELTA1010LT:
113 		tmp &= ~ICE1712_DELTA_1010LT_CS;
114 		tmp |= ICE1712_DELTA_1010LT_CS_NONE;
115 		break;
116 	case ICE1712_SUBDEVICE_AUDIOPHILE:
117 	case ICE1712_SUBDEVICE_DELTA410:
118 		tmp |= ICE1712_DELTA_AP_CS_DIGITAL;
119 		break;
120 	case ICE1712_SUBDEVICE_VX442:
121 		tmp |= ICE1712_VX442_CS_DIGITAL;
122 		break;
123 	}
124 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
125 }
126 
127 /* sequential write */
128 static int ap_cs8427_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
129 {
130 	struct snd_ice1712 *ice = device->bus->private_data;
131 	int res = count;
132 	unsigned char tmp;
133 
134 	mutex_lock(&ice->gpio_mutex);
135 	tmp = ap_cs8427_codec_select(ice);
136 	ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */
137 	while (count-- > 0)
138 		ap_cs8427_write_byte(ice, *bytes++, tmp);
139 	ap_cs8427_codec_deassert(ice, tmp);
140 	mutex_unlock(&ice->gpio_mutex);
141 	return res;
142 }
143 
144 /* sequential read */
145 static int ap_cs8427_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
146 {
147 	struct snd_ice1712 *ice = device->bus->private_data;
148 	int res = count;
149 	unsigned char tmp;
150 
151 	mutex_lock(&ice->gpio_mutex);
152 	tmp = ap_cs8427_codec_select(ice);
153 	ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */
154 	while (count-- > 0)
155 		*bytes++ = ap_cs8427_read_byte(ice, tmp);
156 	ap_cs8427_codec_deassert(ice, tmp);
157 	mutex_unlock(&ice->gpio_mutex);
158 	return res;
159 }
160 
161 static int ap_cs8427_probeaddr(struct snd_i2c_bus *bus, unsigned short addr)
162 {
163 	if (addr == 0x10)
164 		return 1;
165 	return -ENOENT;
166 }
167 
168 static struct snd_i2c_ops ap_cs8427_i2c_ops = {
169 	.sendbytes = ap_cs8427_sendbytes,
170 	.readbytes = ap_cs8427_readbytes,
171 	.probeaddr = ap_cs8427_probeaddr,
172 };
173 
174 /*
175  */
176 
177 static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
178 {
179 	unsigned char tmp, mask1, mask2;
180 	int idx;
181 	/* send byte to transmitter */
182 	mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;
183 	mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;
184 	mutex_lock(&ice->gpio_mutex);
185 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
186 	for (idx = 7; idx >= 0; idx--) {
187 		tmp &= ~(mask1 | mask2);
188 		if (bits & (1 << idx))
189 			tmp |= mask2;
190 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
191 		udelay(100);
192 		tmp |= mask1;
193 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
194 		udelay(100);
195 	}
196 	tmp &= ~mask1;
197 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
198 	mutex_unlock(&ice->gpio_mutex);
199 }
200 
201 
202 static void delta_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
203 {
204 	snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
205 }
206 
207 static int delta_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
208 {
209 	unsigned int val;
210 	int change;
211 
212 	val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
213 	spin_lock_irq(&ice->reg_lock);
214 	change = ice->spdif.cs8403_bits != val;
215 	ice->spdif.cs8403_bits = val;
216 	if (change && ice->playback_pro_substream == NULL) {
217 		spin_unlock_irq(&ice->reg_lock);
218 		snd_ice1712_delta_cs8403_spdif_write(ice, val);
219 	} else {
220 		spin_unlock_irq(&ice->reg_lock);
221 	}
222 	return change;
223 }
224 
225 static void delta_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
226 {
227 	snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
228 }
229 
230 static int delta_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
231 {
232 	unsigned int val;
233 	int change;
234 
235 	val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
236 	spin_lock_irq(&ice->reg_lock);
237 	change = ice->spdif.cs8403_stream_bits != val;
238 	ice->spdif.cs8403_stream_bits = val;
239 	if (change && ice->playback_pro_substream != NULL) {
240 		spin_unlock_irq(&ice->reg_lock);
241 		snd_ice1712_delta_cs8403_spdif_write(ice, val);
242 	} else {
243 		spin_unlock_irq(&ice->reg_lock);
244 	}
245 	return change;
246 }
247 
248 
249 /*
250  * AK4524 on Delta 44 and 66 to choose the chip mask
251  */
252 static void delta_ak4524_lock(struct snd_akm4xxx *ak, int chip)
253 {
254         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
255         struct snd_ice1712 *ice = ak->private_data[0];
256 
257 	snd_ice1712_save_gpio_status(ice);
258 	priv->cs_mask =
259 	priv->cs_addr = chip == 0 ? ICE1712_DELTA_CODEC_CHIP_A :
260 				    ICE1712_DELTA_CODEC_CHIP_B;
261 }
262 
263 /*
264  * AK4524 on Delta1010LT to choose the chip address
265  */
266 static void delta1010lt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
267 {
268         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
269         struct snd_ice1712 *ice = ak->private_data[0];
270 
271 	snd_ice1712_save_gpio_status(ice);
272 	priv->cs_mask = ICE1712_DELTA_1010LT_CS;
273 	priv->cs_addr = chip << 4;
274 }
275 
276 /*
277  * AK4528 on VX442 to choose the chip mask
278  */
279 static void vx442_ak4524_lock(struct snd_akm4xxx *ak, int chip)
280 {
281         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
282         struct snd_ice1712 *ice = ak->private_data[0];
283 
284 	snd_ice1712_save_gpio_status(ice);
285 	priv->cs_mask =
286 	priv->cs_addr = chip == 0 ? ICE1712_VX442_CODEC_CHIP_A :
287 				    ICE1712_VX442_CODEC_CHIP_B;
288 }
289 
290 /*
291  * change the DFS bit according rate for Delta1010
292  */
293 static void delta_1010_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
294 {
295 	unsigned char tmp, tmp2;
296 
297 	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
298 		return;
299 
300 	mutex_lock(&ice->gpio_mutex);
301 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
302 	tmp2 = tmp & ~ICE1712_DELTA_DFS;
303 	if (rate > 48000)
304 		tmp2 |= ICE1712_DELTA_DFS;
305 	if (tmp != tmp2)
306 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);
307 	mutex_unlock(&ice->gpio_mutex);
308 }
309 
310 /*
311  * change the rate of AK4524 on Delta 44/66, AP, 1010LT
312  */
313 static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
314 {
315 	unsigned char tmp, tmp2;
316 	struct snd_ice1712 *ice = ak->private_data[0];
317 
318 	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
319 		return;
320 
321 	/* check before reset ak4524 to avoid unnecessary clicks */
322 	mutex_lock(&ice->gpio_mutex);
323 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
324 	mutex_unlock(&ice->gpio_mutex);
325 	tmp2 = tmp & ~ICE1712_DELTA_DFS;
326 	if (rate > 48000)
327 		tmp2 |= ICE1712_DELTA_DFS;
328 	if (tmp == tmp2)
329 		return;
330 
331 	/* do it again */
332 	snd_akm4xxx_reset(ak, 1);
333 	mutex_lock(&ice->gpio_mutex);
334 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;
335 	if (rate > 48000)
336 		tmp |= ICE1712_DELTA_DFS;
337 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
338 	mutex_unlock(&ice->gpio_mutex);
339 	snd_akm4xxx_reset(ak, 0);
340 }
341 
342 /*
343  * change the rate of AK4524 on VX442
344  */
345 static void vx442_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
346 {
347 	unsigned char val;
348 
349 	val = (rate > 48000) ? 0x65 : 0x60;
350 	if (snd_akm4xxx_get(ak, 0, 0x02) != val ||
351 	    snd_akm4xxx_get(ak, 1, 0x02) != val) {
352 		snd_akm4xxx_reset(ak, 1);
353 		snd_akm4xxx_write(ak, 0, 0x02, val);
354 		snd_akm4xxx_write(ak, 1, 0x02, val);
355 		snd_akm4xxx_reset(ak, 0);
356 	}
357 }
358 
359 
360 /*
361  * SPDIF ops for Delta 1010, Dio, 66
362  */
363 
364 /* open callback */
365 static void delta_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
366 {
367 	ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
368 }
369 
370 /* set up */
371 static void delta_setup_spdif(struct snd_ice1712 *ice, int rate)
372 {
373 	unsigned long flags;
374 	unsigned int tmp;
375 	int change;
376 
377 	spin_lock_irqsave(&ice->reg_lock, flags);
378 	tmp = ice->spdif.cs8403_stream_bits;
379 	if (tmp & 0x01)		/* consumer */
380 		tmp &= (tmp & 0x01) ? ~0x06 : ~0x18;
381 	switch (rate) {
382 	case 32000: tmp |= (tmp & 0x01) ? 0x04 : 0x00; break;
383 	case 44100: tmp |= (tmp & 0x01) ? 0x00 : 0x10; break;
384 	case 48000: tmp |= (tmp & 0x01) ? 0x02 : 0x08; break;
385 	default: tmp |= (tmp & 0x01) ? 0x00 : 0x18; break;
386 	}
387 	change = ice->spdif.cs8403_stream_bits != tmp;
388 	ice->spdif.cs8403_stream_bits = tmp;
389 	spin_unlock_irqrestore(&ice->reg_lock, flags);
390 	if (change)
391 		snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
392 	snd_ice1712_delta_cs8403_spdif_write(ice, tmp);
393 }
394 
395 #define snd_ice1712_delta1010lt_wordclock_status_info \
396 	snd_ctl_boolean_mono_info
397 
398 static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kcontrol,
399 			 struct snd_ctl_elem_value *ucontrol)
400 {
401 	char reg = 0x10; // cs8427 receiver error register
402 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
403 
404 	if (snd_i2c_sendbytes(ice->cs8427, &reg, 1) != 1)
405 		snd_printk(KERN_ERR "unable to send register 0x%x byte to CS8427\n", reg);
406 	snd_i2c_readbytes(ice->cs8427, &reg, 1);
407 	ucontrol->value.integer.value[0] = (reg & CS8427_UNLOCK) ? 1 : 0;
408 	return 0;
409 }
410 
411 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status __devinitdata =
412 {
413 	.access =	(SNDRV_CTL_ELEM_ACCESS_READ),
414 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
415 	.name =         "Word Clock Status",
416 	.info =		snd_ice1712_delta1010lt_wordclock_status_info,
417 	.get =		snd_ice1712_delta1010lt_wordclock_status_get,
418 };
419 
420 /*
421  * initialize the chips on M-Audio cards
422  */
423 
424 static struct snd_akm4xxx akm_audiophile __devinitdata = {
425 	.type = SND_AK4528,
426 	.num_adcs = 2,
427 	.num_dacs = 2,
428 	.ops = {
429 		.set_rate_val = delta_ak4524_set_rate_val
430 	}
431 };
432 
433 static struct snd_ak4xxx_private akm_audiophile_priv __devinitdata = {
434 	.caddr = 2,
435 	.cif = 0,
436 	.data_mask = ICE1712_DELTA_AP_DOUT,
437 	.clk_mask = ICE1712_DELTA_AP_CCLK,
438 	.cs_mask = ICE1712_DELTA_AP_CS_CODEC,
439 	.cs_addr = ICE1712_DELTA_AP_CS_CODEC,
440 	.cs_none = 0,
441 	.add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
442 	.mask_flags = 0,
443 };
444 
445 static struct snd_akm4xxx akm_delta410 __devinitdata = {
446 	.type = SND_AK4529,
447 	.num_adcs = 2,
448 	.num_dacs = 8,
449 	.ops = {
450 		.set_rate_val = delta_ak4524_set_rate_val
451 	}
452 };
453 
454 static struct snd_ak4xxx_private akm_delta410_priv __devinitdata = {
455 	.caddr = 0,
456 	.cif = 0,
457 	.data_mask = ICE1712_DELTA_AP_DOUT,
458 	.clk_mask = ICE1712_DELTA_AP_CCLK,
459 	.cs_mask = ICE1712_DELTA_AP_CS_CODEC,
460 	.cs_addr = ICE1712_DELTA_AP_CS_CODEC,
461 	.cs_none = 0,
462 	.add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
463 	.mask_flags = 0,
464 };
465 
466 static struct snd_akm4xxx akm_delta1010lt __devinitdata = {
467 	.type = SND_AK4524,
468 	.num_adcs = 8,
469 	.num_dacs = 8,
470 	.ops = {
471 		.lock = delta1010lt_ak4524_lock,
472 		.set_rate_val = delta_ak4524_set_rate_val
473 	}
474 };
475 
476 static struct snd_ak4xxx_private akm_delta1010lt_priv __devinitdata = {
477 	.caddr = 2,
478 	.cif = 0, /* the default level of the CIF pin from AK4524 */
479 	.data_mask = ICE1712_DELTA_1010LT_DOUT,
480 	.clk_mask = ICE1712_DELTA_1010LT_CCLK,
481 	.cs_mask = 0,
482 	.cs_addr = 0, /* set later */
483 	.cs_none = ICE1712_DELTA_1010LT_CS_NONE,
484 	.add_flags = 0,
485 	.mask_flags = 0,
486 };
487 
488 static struct snd_akm4xxx akm_delta44 __devinitdata = {
489 	.type = SND_AK4524,
490 	.num_adcs = 4,
491 	.num_dacs = 4,
492 	.ops = {
493 		.lock = delta_ak4524_lock,
494 		.set_rate_val = delta_ak4524_set_rate_val
495 	}
496 };
497 
498 static struct snd_ak4xxx_private akm_delta44_priv __devinitdata = {
499 	.caddr = 2,
500 	.cif = 0, /* the default level of the CIF pin from AK4524 */
501 	.data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA,
502 	.clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK,
503 	.cs_mask = 0,
504 	.cs_addr = 0, /* set later */
505 	.cs_none = 0,
506 	.add_flags = 0,
507 	.mask_flags = 0,
508 };
509 
510 static struct snd_akm4xxx akm_vx442 __devinitdata = {
511 	.type = SND_AK4524,
512 	.num_adcs = 4,
513 	.num_dacs = 4,
514 	.ops = {
515 		.lock = vx442_ak4524_lock,
516 		.set_rate_val = vx442_ak4524_set_rate_val
517 	}
518 };
519 
520 static struct snd_ak4xxx_private akm_vx442_priv __devinitdata = {
521 	.caddr = 2,
522 	.cif = 0,
523 	.data_mask = ICE1712_VX442_DOUT,
524 	.clk_mask = ICE1712_VX442_CCLK,
525 	.cs_mask = 0,
526 	.cs_addr = 0, /* set later */
527 	.cs_none = 0,
528 	.add_flags = 0,
529 	.mask_flags = 0,
530 };
531 
532 static int __devinit snd_ice1712_delta_init(struct snd_ice1712 *ice)
533 {
534 	int err;
535 	struct snd_akm4xxx *ak;
536 
537 	/* determine I2C, DACs and ADCs */
538 	switch (ice->eeprom.subvendor) {
539 	case ICE1712_SUBDEVICE_AUDIOPHILE:
540 		ice->num_total_dacs = 2;
541 		ice->num_total_adcs = 2;
542 		break;
543 	case ICE1712_SUBDEVICE_DELTA410:
544 		ice->num_total_dacs = 8;
545 		ice->num_total_adcs = 2;
546 		break;
547 	case ICE1712_SUBDEVICE_DELTA44:
548 	case ICE1712_SUBDEVICE_DELTA66:
549 		ice->num_total_dacs = ice->omni ? 8 : 4;
550 		ice->num_total_adcs = ice->omni ? 8 : 4;
551 		break;
552 	case ICE1712_SUBDEVICE_DELTA1010:
553 	case ICE1712_SUBDEVICE_DELTA1010LT:
554 	case ICE1712_SUBDEVICE_MEDIASTATION:
555 		ice->num_total_dacs = 8;
556 		ice->num_total_adcs = 8;
557 		break;
558 	case ICE1712_SUBDEVICE_DELTADIO2496:
559 		ice->num_total_dacs = 4;	/* two AK4324 codecs */
560 		break;
561 	case ICE1712_SUBDEVICE_VX442:
562 		ice->num_total_dacs = 4;
563 		ice->num_total_adcs = 4;
564 		break;
565 	}
566 
567 	/* initialize spdif */
568 	switch (ice->eeprom.subvendor) {
569 	case ICE1712_SUBDEVICE_AUDIOPHILE:
570 	case ICE1712_SUBDEVICE_DELTA410:
571 	case ICE1712_SUBDEVICE_DELTA1010LT:
572 	case ICE1712_SUBDEVICE_VX442:
573 		if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
574 			snd_printk(KERN_ERR "unable to create I2C bus\n");
575 			return err;
576 		}
577 		ice->i2c->private_data = ice;
578 		ice->i2c->ops = &ap_cs8427_i2c_ops;
579 		if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
580 			return err;
581 		break;
582 	case ICE1712_SUBDEVICE_DELTA1010:
583 	case ICE1712_SUBDEVICE_MEDIASTATION:
584 		ice->gpio.set_pro_rate = delta_1010_set_rate_val;
585 		break;
586 	case ICE1712_SUBDEVICE_DELTADIO2496:
587 		ice->gpio.set_pro_rate = delta_1010_set_rate_val;
588 		/* fall thru */
589 	case ICE1712_SUBDEVICE_DELTA66:
590 		ice->spdif.ops.open = delta_open_spdif;
591 		ice->spdif.ops.setup_rate = delta_setup_spdif;
592 		ice->spdif.ops.default_get = delta_spdif_default_get;
593 		ice->spdif.ops.default_put = delta_spdif_default_put;
594 		ice->spdif.ops.stream_get = delta_spdif_stream_get;
595 		ice->spdif.ops.stream_put = delta_spdif_stream_put;
596 		/* Set spdif defaults */
597 		snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);
598 		break;
599 	}
600 
601 	/* no analog? */
602 	switch (ice->eeprom.subvendor) {
603 	case ICE1712_SUBDEVICE_DELTA1010:
604 	case ICE1712_SUBDEVICE_DELTADIO2496:
605 	case ICE1712_SUBDEVICE_MEDIASTATION:
606 		return 0;
607 	}
608 
609 	/* second stage of initialization, analog parts and others */
610 	ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
611 	if (! ak)
612 		return -ENOMEM;
613 	ice->akm_codecs = 1;
614 
615 	switch (ice->eeprom.subvendor) {
616 	case ICE1712_SUBDEVICE_AUDIOPHILE:
617 		err = snd_ice1712_akm4xxx_init(ak, &akm_audiophile, &akm_audiophile_priv, ice);
618 		break;
619 	case ICE1712_SUBDEVICE_DELTA410:
620 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta410, &akm_delta410_priv, ice);
621 		break;
622 	case ICE1712_SUBDEVICE_DELTA1010LT:
623 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta1010lt, &akm_delta1010lt_priv, ice);
624 		break;
625 	case ICE1712_SUBDEVICE_DELTA66:
626 	case ICE1712_SUBDEVICE_DELTA44:
627 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice);
628 		break;
629 	case ICE1712_SUBDEVICE_VX442:
630 		err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice);
631 		break;
632 	default:
633 		snd_BUG();
634 		return -EINVAL;
635 	}
636 
637 	return err;
638 }
639 
640 
641 /*
642  * additional controls for M-Audio cards
643  */
644 
645 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_select __devinitdata =
646 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0);
647 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_select __devinitdata =
648 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 0, 0);
649 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_status __devinitdata =
650 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Status", 0, ICE1712_DELTA_WORD_CLOCK_STATUS, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE);
651 static struct snd_kcontrol_new snd_ice1712_deltadio2496_spdif_in_select __devinitdata =
652 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, ICE1712_DELTA_SPDIF_INPUT_SELECT, 0, 0);
653 static struct snd_kcontrol_new snd_ice1712_delta_spdif_in_status __devinitdata =
654 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Delta IEC958 Input Status", 0, ICE1712_DELTA_SPDIF_IN_STAT, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE);
655 
656 
657 static int __devinit snd_ice1712_delta_add_controls(struct snd_ice1712 *ice)
658 {
659 	int err;
660 
661 	/* 1010 and dio specific controls */
662 	switch (ice->eeprom.subvendor) {
663 	case ICE1712_SUBDEVICE_DELTA1010:
664 	case ICE1712_SUBDEVICE_MEDIASTATION:
665 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_select, ice));
666 		if (err < 0)
667 			return err;
668 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_status, ice));
669 		if (err < 0)
670 			return err;
671 		break;
672 	case ICE1712_SUBDEVICE_DELTADIO2496:
673 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_deltadio2496_spdif_in_select, ice));
674 		if (err < 0)
675 			return err;
676 		break;
677 	case ICE1712_SUBDEVICE_DELTA1010LT:
678 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_select, ice));
679 		if (err < 0)
680 			return err;
681 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_status, ice));
682 		if (err < 0)
683 			return err;
684 		break;
685 	}
686 
687 	/* normal spdif controls */
688 	switch (ice->eeprom.subvendor) {
689 	case ICE1712_SUBDEVICE_DELTA1010:
690 	case ICE1712_SUBDEVICE_DELTADIO2496:
691 	case ICE1712_SUBDEVICE_DELTA66:
692 	case ICE1712_SUBDEVICE_MEDIASTATION:
693 		err = snd_ice1712_spdif_build_controls(ice);
694 		if (err < 0)
695 			return err;
696 		break;
697 	}
698 
699 	/* spdif status in */
700 	switch (ice->eeprom.subvendor) {
701 	case ICE1712_SUBDEVICE_DELTA1010:
702 	case ICE1712_SUBDEVICE_DELTADIO2496:
703 	case ICE1712_SUBDEVICE_DELTA66:
704 	case ICE1712_SUBDEVICE_MEDIASTATION:
705 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta_spdif_in_status, ice));
706 		if (err < 0)
707 			return err;
708 		break;
709 	}
710 
711 	/* ak4524 controls */
712 	switch (ice->eeprom.subvendor) {
713 	case ICE1712_SUBDEVICE_DELTA1010LT:
714 	case ICE1712_SUBDEVICE_AUDIOPHILE:
715 	case ICE1712_SUBDEVICE_DELTA410:
716 	case ICE1712_SUBDEVICE_DELTA44:
717 	case ICE1712_SUBDEVICE_DELTA66:
718 	case ICE1712_SUBDEVICE_VX442:
719 		err = snd_ice1712_akm4xxx_build_controls(ice);
720 		if (err < 0)
721 			return err;
722 		break;
723 	}
724 
725 	return 0;
726 }
727 
728 
729 /* entry point */
730 struct snd_ice1712_card_info snd_ice1712_delta_cards[] __devinitdata = {
731 	{
732 		.subvendor = ICE1712_SUBDEVICE_DELTA1010,
733 		.name = "M Audio Delta 1010",
734 		.model = "delta1010",
735 		.chip_init = snd_ice1712_delta_init,
736 		.build_controls = snd_ice1712_delta_add_controls,
737 	},
738 	{
739 		.subvendor = ICE1712_SUBDEVICE_DELTADIO2496,
740 		.name = "M Audio Delta DiO 2496",
741 		.model = "dio2496",
742 		.chip_init = snd_ice1712_delta_init,
743 		.build_controls = snd_ice1712_delta_add_controls,
744 		.no_mpu401 = 1,
745 	},
746 	{
747 		.subvendor = ICE1712_SUBDEVICE_DELTA66,
748 		.name = "M Audio Delta 66",
749 		.model = "delta66",
750 		.chip_init = snd_ice1712_delta_init,
751 		.build_controls = snd_ice1712_delta_add_controls,
752 		.no_mpu401 = 1,
753 	},
754 	{
755 		.subvendor = ICE1712_SUBDEVICE_DELTA44,
756 		.name = "M Audio Delta 44",
757 		.model = "delta44",
758 		.chip_init = snd_ice1712_delta_init,
759 		.build_controls = snd_ice1712_delta_add_controls,
760 		.no_mpu401 = 1,
761 	},
762 	{
763 		.subvendor = ICE1712_SUBDEVICE_AUDIOPHILE,
764 		.name = "M Audio Audiophile 24/96",
765 		.model = "audiophile",
766 		.chip_init = snd_ice1712_delta_init,
767 		.build_controls = snd_ice1712_delta_add_controls,
768 	},
769 	{
770 		.subvendor = ICE1712_SUBDEVICE_DELTA410,
771 		.name = "M Audio Delta 410",
772 		.model = "delta410",
773 		.chip_init = snd_ice1712_delta_init,
774 		.build_controls = snd_ice1712_delta_add_controls,
775 	},
776 	{
777 		.subvendor = ICE1712_SUBDEVICE_DELTA1010LT,
778 		.name = "M Audio Delta 1010LT",
779 		.model = "delta1010lt",
780 		.chip_init = snd_ice1712_delta_init,
781 		.build_controls = snd_ice1712_delta_add_controls,
782 	},
783 	{
784 		.subvendor = ICE1712_SUBDEVICE_VX442,
785 		.name = "Digigram VX442",
786 		.model = "vx442",
787 		.chip_init = snd_ice1712_delta_init,
788 		.build_controls = snd_ice1712_delta_add_controls,
789 		.no_mpu401 = 1,
790 	},
791 	{
792 		.subvendor = ICE1712_SUBDEVICE_MEDIASTATION,
793 		.name = "Lionstracs Mediastation",
794 		.model = "mediastation",
795 		.chip_init = snd_ice1712_delta_init,
796 		.build_controls = snd_ice1712_delta_add_controls,
797 	},
798 	{ } /* terminator */
799 };
800