xref: /openbmc/linux/sound/pci/ice1712/delta.c (revision b627b4ed)
1 /*
2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
3  *
4  *   Lowlevel functions for M-Audio Delta 1010, 1010E, 44, 66, 66E, Dio2496,
5  *			    Audiophile, 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_DELTA1010E:
90 	case ICE1712_SUBDEVICE_DELTA1010LT:
91 		tmp &= ~ICE1712_DELTA_1010LT_CS;
92 		tmp |= ICE1712_DELTA_1010LT_CCLK | ICE1712_DELTA_1010LT_CS_CS8427;
93 		break;
94 	case ICE1712_SUBDEVICE_AUDIOPHILE:
95 	case ICE1712_SUBDEVICE_DELTA410:
96 		tmp |= ICE1712_DELTA_AP_CCLK | ICE1712_DELTA_AP_CS_CODEC;
97 		tmp &= ~ICE1712_DELTA_AP_CS_DIGITAL;
98 		break;
99 	case ICE1712_SUBDEVICE_VX442:
100 		tmp |= ICE1712_VX442_CCLK | ICE1712_VX442_CODEC_CHIP_A | ICE1712_VX442_CODEC_CHIP_B;
101 		tmp &= ~ICE1712_VX442_CS_DIGITAL;
102 		break;
103 	}
104 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
105 	udelay(5);
106 	return tmp;
107 }
108 
109 /* deassert chip select */
110 static void ap_cs8427_codec_deassert(struct snd_ice1712 *ice, unsigned char tmp)
111 {
112 	switch (ice->eeprom.subvendor) {
113 	case ICE1712_SUBDEVICE_DELTA1010E:
114 	case ICE1712_SUBDEVICE_DELTA1010LT:
115 		tmp &= ~ICE1712_DELTA_1010LT_CS;
116 		tmp |= ICE1712_DELTA_1010LT_CS_NONE;
117 		break;
118 	case ICE1712_SUBDEVICE_AUDIOPHILE:
119 	case ICE1712_SUBDEVICE_DELTA410:
120 		tmp |= ICE1712_DELTA_AP_CS_DIGITAL;
121 		break;
122 	case ICE1712_SUBDEVICE_VX442:
123 		tmp |= ICE1712_VX442_CS_DIGITAL;
124 		break;
125 	}
126 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
127 }
128 
129 /* sequential write */
130 static int ap_cs8427_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
131 {
132 	struct snd_ice1712 *ice = device->bus->private_data;
133 	int res = count;
134 	unsigned char tmp;
135 
136 	mutex_lock(&ice->gpio_mutex);
137 	tmp = ap_cs8427_codec_select(ice);
138 	ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */
139 	while (count-- > 0)
140 		ap_cs8427_write_byte(ice, *bytes++, tmp);
141 	ap_cs8427_codec_deassert(ice, tmp);
142 	mutex_unlock(&ice->gpio_mutex);
143 	return res;
144 }
145 
146 /* sequential read */
147 static int ap_cs8427_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
148 {
149 	struct snd_ice1712 *ice = device->bus->private_data;
150 	int res = count;
151 	unsigned char tmp;
152 
153 	mutex_lock(&ice->gpio_mutex);
154 	tmp = ap_cs8427_codec_select(ice);
155 	ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */
156 	while (count-- > 0)
157 		*bytes++ = ap_cs8427_read_byte(ice, tmp);
158 	ap_cs8427_codec_deassert(ice, tmp);
159 	mutex_unlock(&ice->gpio_mutex);
160 	return res;
161 }
162 
163 static int ap_cs8427_probeaddr(struct snd_i2c_bus *bus, unsigned short addr)
164 {
165 	if (addr == 0x10)
166 		return 1;
167 	return -ENOENT;
168 }
169 
170 static struct snd_i2c_ops ap_cs8427_i2c_ops = {
171 	.sendbytes = ap_cs8427_sendbytes,
172 	.readbytes = ap_cs8427_readbytes,
173 	.probeaddr = ap_cs8427_probeaddr,
174 };
175 
176 /*
177  */
178 
179 static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
180 {
181 	unsigned char tmp, mask1, mask2;
182 	int idx;
183 	/* send byte to transmitter */
184 	mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;
185 	mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;
186 	mutex_lock(&ice->gpio_mutex);
187 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
188 	for (idx = 7; idx >= 0; idx--) {
189 		tmp &= ~(mask1 | mask2);
190 		if (bits & (1 << idx))
191 			tmp |= mask2;
192 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
193 		udelay(100);
194 		tmp |= mask1;
195 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
196 		udelay(100);
197 	}
198 	tmp &= ~mask1;
199 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
200 	mutex_unlock(&ice->gpio_mutex);
201 }
202 
203 
204 static void delta_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
205 {
206 	snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
207 }
208 
209 static int delta_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
210 {
211 	unsigned int val;
212 	int change;
213 
214 	val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
215 	spin_lock_irq(&ice->reg_lock);
216 	change = ice->spdif.cs8403_bits != val;
217 	ice->spdif.cs8403_bits = val;
218 	if (change && ice->playback_pro_substream == NULL) {
219 		spin_unlock_irq(&ice->reg_lock);
220 		snd_ice1712_delta_cs8403_spdif_write(ice, val);
221 	} else {
222 		spin_unlock_irq(&ice->reg_lock);
223 	}
224 	return change;
225 }
226 
227 static void delta_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
228 {
229 	snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
230 }
231 
232 static int delta_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
233 {
234 	unsigned int val;
235 	int change;
236 
237 	val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
238 	spin_lock_irq(&ice->reg_lock);
239 	change = ice->spdif.cs8403_stream_bits != val;
240 	ice->spdif.cs8403_stream_bits = val;
241 	if (change && ice->playback_pro_substream != NULL) {
242 		spin_unlock_irq(&ice->reg_lock);
243 		snd_ice1712_delta_cs8403_spdif_write(ice, val);
244 	} else {
245 		spin_unlock_irq(&ice->reg_lock);
246 	}
247 	return change;
248 }
249 
250 
251 /*
252  * AK4524 on Delta 44 and 66 to choose the chip mask
253  */
254 static void delta_ak4524_lock(struct snd_akm4xxx *ak, int chip)
255 {
256         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
257         struct snd_ice1712 *ice = ak->private_data[0];
258 
259 	snd_ice1712_save_gpio_status(ice);
260 	priv->cs_mask =
261 	priv->cs_addr = chip == 0 ? ICE1712_DELTA_CODEC_CHIP_A :
262 				    ICE1712_DELTA_CODEC_CHIP_B;
263 }
264 
265 /*
266  * AK4524 on Delta1010LT to choose the chip address
267  */
268 static void delta1010lt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
269 {
270         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
271         struct snd_ice1712 *ice = ak->private_data[0];
272 
273 	snd_ice1712_save_gpio_status(ice);
274 	priv->cs_mask = ICE1712_DELTA_1010LT_CS;
275 	priv->cs_addr = chip << 4;
276 }
277 
278 /*
279  * AK4528 on VX442 to choose the chip mask
280  */
281 static void vx442_ak4524_lock(struct snd_akm4xxx *ak, int chip)
282 {
283         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
284         struct snd_ice1712 *ice = ak->private_data[0];
285 
286 	snd_ice1712_save_gpio_status(ice);
287 	priv->cs_mask =
288 	priv->cs_addr = chip == 0 ? ICE1712_VX442_CODEC_CHIP_A :
289 				    ICE1712_VX442_CODEC_CHIP_B;
290 }
291 
292 /*
293  * change the DFS bit according rate for Delta1010
294  */
295 static void delta_1010_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
296 {
297 	unsigned char tmp, tmp2;
298 
299 	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
300 		return;
301 
302 	mutex_lock(&ice->gpio_mutex);
303 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
304 	tmp2 = tmp & ~ICE1712_DELTA_DFS;
305 	if (rate > 48000)
306 		tmp2 |= ICE1712_DELTA_DFS;
307 	if (tmp != tmp2)
308 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);
309 	mutex_unlock(&ice->gpio_mutex);
310 }
311 
312 /*
313  * change the rate of AK4524 on Delta 44/66, AP, 1010LT
314  */
315 static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
316 {
317 	unsigned char tmp, tmp2;
318 	struct snd_ice1712 *ice = ak->private_data[0];
319 
320 	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
321 		return;
322 
323 	/* check before reset ak4524 to avoid unnecessary clicks */
324 	mutex_lock(&ice->gpio_mutex);
325 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
326 	mutex_unlock(&ice->gpio_mutex);
327 	tmp2 = tmp & ~ICE1712_DELTA_DFS;
328 	if (rate > 48000)
329 		tmp2 |= ICE1712_DELTA_DFS;
330 	if (tmp == tmp2)
331 		return;
332 
333 	/* do it again */
334 	snd_akm4xxx_reset(ak, 1);
335 	mutex_lock(&ice->gpio_mutex);
336 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;
337 	if (rate > 48000)
338 		tmp |= ICE1712_DELTA_DFS;
339 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
340 	mutex_unlock(&ice->gpio_mutex);
341 	snd_akm4xxx_reset(ak, 0);
342 }
343 
344 /*
345  * change the rate of AK4524 on VX442
346  */
347 static void vx442_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
348 {
349 	unsigned char val;
350 
351 	val = (rate > 48000) ? 0x65 : 0x60;
352 	if (snd_akm4xxx_get(ak, 0, 0x02) != val ||
353 	    snd_akm4xxx_get(ak, 1, 0x02) != val) {
354 		snd_akm4xxx_reset(ak, 1);
355 		snd_akm4xxx_write(ak, 0, 0x02, val);
356 		snd_akm4xxx_write(ak, 1, 0x02, val);
357 		snd_akm4xxx_reset(ak, 0);
358 	}
359 }
360 
361 
362 /*
363  * SPDIF ops for Delta 1010, Dio, 66
364  */
365 
366 /* open callback */
367 static void delta_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
368 {
369 	ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
370 }
371 
372 /* set up */
373 static void delta_setup_spdif(struct snd_ice1712 *ice, int rate)
374 {
375 	unsigned long flags;
376 	unsigned int tmp;
377 	int change;
378 
379 	spin_lock_irqsave(&ice->reg_lock, flags);
380 	tmp = ice->spdif.cs8403_stream_bits;
381 	if (tmp & 0x01)		/* consumer */
382 		tmp &= (tmp & 0x01) ? ~0x06 : ~0x18;
383 	switch (rate) {
384 	case 32000: tmp |= (tmp & 0x01) ? 0x04 : 0x00; break;
385 	case 44100: tmp |= (tmp & 0x01) ? 0x00 : 0x10; break;
386 	case 48000: tmp |= (tmp & 0x01) ? 0x02 : 0x08; break;
387 	default: tmp |= (tmp & 0x01) ? 0x00 : 0x18; break;
388 	}
389 	change = ice->spdif.cs8403_stream_bits != tmp;
390 	ice->spdif.cs8403_stream_bits = tmp;
391 	spin_unlock_irqrestore(&ice->reg_lock, flags);
392 	if (change)
393 		snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
394 	snd_ice1712_delta_cs8403_spdif_write(ice, tmp);
395 }
396 
397 #define snd_ice1712_delta1010lt_wordclock_status_info \
398 	snd_ctl_boolean_mono_info
399 
400 static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kcontrol,
401 			 struct snd_ctl_elem_value *ucontrol)
402 {
403 	char reg = 0x10; /* CS8427 receiver error register */
404 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
405 
406 	if (snd_i2c_sendbytes(ice->cs8427, &reg, 1) != 1)
407 		snd_printk(KERN_ERR "unable to send register 0x%x byte to CS8427\n", reg);
408 	snd_i2c_readbytes(ice->cs8427, &reg, 1);
409 	ucontrol->value.integer.value[0] = (reg & CS8427_UNLOCK) ? 1 : 0;
410 	return 0;
411 }
412 
413 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status __devinitdata =
414 {
415 	.access =	(SNDRV_CTL_ELEM_ACCESS_READ),
416 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
417 	.name =         "Word Clock Status",
418 	.info =		snd_ice1712_delta1010lt_wordclock_status_info,
419 	.get =		snd_ice1712_delta1010lt_wordclock_status_get,
420 };
421 
422 /*
423  * initialize the chips on M-Audio cards
424  */
425 
426 static struct snd_akm4xxx akm_audiophile __devinitdata = {
427 	.type = SND_AK4528,
428 	.num_adcs = 2,
429 	.num_dacs = 2,
430 	.ops = {
431 		.set_rate_val = delta_ak4524_set_rate_val
432 	}
433 };
434 
435 static struct snd_ak4xxx_private akm_audiophile_priv __devinitdata = {
436 	.caddr = 2,
437 	.cif = 0,
438 	.data_mask = ICE1712_DELTA_AP_DOUT,
439 	.clk_mask = ICE1712_DELTA_AP_CCLK,
440 	.cs_mask = ICE1712_DELTA_AP_CS_CODEC,
441 	.cs_addr = ICE1712_DELTA_AP_CS_CODEC,
442 	.cs_none = 0,
443 	.add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
444 	.mask_flags = 0,
445 };
446 
447 static struct snd_akm4xxx akm_delta410 __devinitdata = {
448 	.type = SND_AK4529,
449 	.num_adcs = 2,
450 	.num_dacs = 8,
451 	.ops = {
452 		.set_rate_val = delta_ak4524_set_rate_val
453 	}
454 };
455 
456 static struct snd_ak4xxx_private akm_delta410_priv __devinitdata = {
457 	.caddr = 0,
458 	.cif = 0,
459 	.data_mask = ICE1712_DELTA_AP_DOUT,
460 	.clk_mask = ICE1712_DELTA_AP_CCLK,
461 	.cs_mask = ICE1712_DELTA_AP_CS_CODEC,
462 	.cs_addr = ICE1712_DELTA_AP_CS_CODEC,
463 	.cs_none = 0,
464 	.add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
465 	.mask_flags = 0,
466 };
467 
468 static struct snd_akm4xxx akm_delta1010lt __devinitdata = {
469 	.type = SND_AK4524,
470 	.num_adcs = 8,
471 	.num_dacs = 8,
472 	.ops = {
473 		.lock = delta1010lt_ak4524_lock,
474 		.set_rate_val = delta_ak4524_set_rate_val
475 	}
476 };
477 
478 static struct snd_ak4xxx_private akm_delta1010lt_priv __devinitdata = {
479 	.caddr = 2,
480 	.cif = 0, /* the default level of the CIF pin from AK4524 */
481 	.data_mask = ICE1712_DELTA_1010LT_DOUT,
482 	.clk_mask = ICE1712_DELTA_1010LT_CCLK,
483 	.cs_mask = 0,
484 	.cs_addr = 0, /* set later */
485 	.cs_none = ICE1712_DELTA_1010LT_CS_NONE,
486 	.add_flags = 0,
487 	.mask_flags = 0,
488 };
489 
490 static struct snd_akm4xxx akm_delta44 __devinitdata = {
491 	.type = SND_AK4524,
492 	.num_adcs = 4,
493 	.num_dacs = 4,
494 	.ops = {
495 		.lock = delta_ak4524_lock,
496 		.set_rate_val = delta_ak4524_set_rate_val
497 	}
498 };
499 
500 static struct snd_ak4xxx_private akm_delta44_priv __devinitdata = {
501 	.caddr = 2,
502 	.cif = 0, /* the default level of the CIF pin from AK4524 */
503 	.data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA,
504 	.clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK,
505 	.cs_mask = 0,
506 	.cs_addr = 0, /* set later */
507 	.cs_none = 0,
508 	.add_flags = 0,
509 	.mask_flags = 0,
510 };
511 
512 static struct snd_akm4xxx akm_vx442 __devinitdata = {
513 	.type = SND_AK4524,
514 	.num_adcs = 4,
515 	.num_dacs = 4,
516 	.ops = {
517 		.lock = vx442_ak4524_lock,
518 		.set_rate_val = vx442_ak4524_set_rate_val
519 	}
520 };
521 
522 static struct snd_ak4xxx_private akm_vx442_priv __devinitdata = {
523 	.caddr = 2,
524 	.cif = 0,
525 	.data_mask = ICE1712_VX442_DOUT,
526 	.clk_mask = ICE1712_VX442_CCLK,
527 	.cs_mask = 0,
528 	.cs_addr = 0, /* set later */
529 	.cs_none = 0,
530 	.add_flags = 0,
531 	.mask_flags = 0,
532 };
533 
534 static int __devinit snd_ice1712_delta_init(struct snd_ice1712 *ice)
535 {
536 	int err;
537 	struct snd_akm4xxx *ak;
538 
539 	if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DELTA1010 &&
540 	    ice->eeprom.gpiodir == 0x7b)
541 		ice->eeprom.subvendor = ICE1712_SUBDEVICE_DELTA1010E;
542 
543 	if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DELTA66 &&
544 	    ice->eeprom.gpiodir == 0xfb)
545 	    	ice->eeprom.subvendor = ICE1712_SUBDEVICE_DELTA66E;
546 
547 	/* determine I2C, DACs and ADCs */
548 	switch (ice->eeprom.subvendor) {
549 	case ICE1712_SUBDEVICE_AUDIOPHILE:
550 		ice->num_total_dacs = 2;
551 		ice->num_total_adcs = 2;
552 		break;
553 	case ICE1712_SUBDEVICE_DELTA410:
554 		ice->num_total_dacs = 8;
555 		ice->num_total_adcs = 2;
556 		break;
557 	case ICE1712_SUBDEVICE_DELTA44:
558 	case ICE1712_SUBDEVICE_DELTA66:
559 		ice->num_total_dacs = ice->omni ? 8 : 4;
560 		ice->num_total_adcs = ice->omni ? 8 : 4;
561 		break;
562 	case ICE1712_SUBDEVICE_DELTA1010:
563 	case ICE1712_SUBDEVICE_DELTA1010E:
564 	case ICE1712_SUBDEVICE_DELTA1010LT:
565 	case ICE1712_SUBDEVICE_MEDIASTATION:
566 		ice->num_total_dacs = 8;
567 		ice->num_total_adcs = 8;
568 		break;
569 	case ICE1712_SUBDEVICE_DELTADIO2496:
570 		ice->num_total_dacs = 4;	/* two AK4324 codecs */
571 		break;
572 	case ICE1712_SUBDEVICE_VX442:
573 	case ICE1712_SUBDEVICE_DELTA66E:	/* omni not suported yet */
574 		ice->num_total_dacs = 4;
575 		ice->num_total_adcs = 4;
576 		break;
577 	}
578 
579 	/* initialize spdif */
580 	switch (ice->eeprom.subvendor) {
581 	case ICE1712_SUBDEVICE_AUDIOPHILE:
582 	case ICE1712_SUBDEVICE_DELTA410:
583 	case ICE1712_SUBDEVICE_DELTA1010E:
584 	case ICE1712_SUBDEVICE_DELTA1010LT:
585 	case ICE1712_SUBDEVICE_VX442:
586 	case ICE1712_SUBDEVICE_DELTA66E:
587 		if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
588 			snd_printk(KERN_ERR "unable to create I2C bus\n");
589 			return err;
590 		}
591 		ice->i2c->private_data = ice;
592 		ice->i2c->ops = &ap_cs8427_i2c_ops;
593 		if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
594 			return err;
595 		break;
596 	case ICE1712_SUBDEVICE_DELTA1010:
597 	case ICE1712_SUBDEVICE_MEDIASTATION:
598 		ice->gpio.set_pro_rate = delta_1010_set_rate_val;
599 		break;
600 	case ICE1712_SUBDEVICE_DELTADIO2496:
601 		ice->gpio.set_pro_rate = delta_1010_set_rate_val;
602 		/* fall thru */
603 	case ICE1712_SUBDEVICE_DELTA66:
604 		ice->spdif.ops.open = delta_open_spdif;
605 		ice->spdif.ops.setup_rate = delta_setup_spdif;
606 		ice->spdif.ops.default_get = delta_spdif_default_get;
607 		ice->spdif.ops.default_put = delta_spdif_default_put;
608 		ice->spdif.ops.stream_get = delta_spdif_stream_get;
609 		ice->spdif.ops.stream_put = delta_spdif_stream_put;
610 		/* Set spdif defaults */
611 		snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);
612 		break;
613 	}
614 
615 	/* no analog? */
616 	switch (ice->eeprom.subvendor) {
617 	case ICE1712_SUBDEVICE_DELTA1010:
618 	case ICE1712_SUBDEVICE_DELTA1010E:
619 	case ICE1712_SUBDEVICE_DELTADIO2496:
620 	case ICE1712_SUBDEVICE_MEDIASTATION:
621 		return 0;
622 	}
623 
624 	/* second stage of initialization, analog parts and others */
625 	ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
626 	if (! ak)
627 		return -ENOMEM;
628 	ice->akm_codecs = 1;
629 
630 	switch (ice->eeprom.subvendor) {
631 	case ICE1712_SUBDEVICE_AUDIOPHILE:
632 		err = snd_ice1712_akm4xxx_init(ak, &akm_audiophile, &akm_audiophile_priv, ice);
633 		break;
634 	case ICE1712_SUBDEVICE_DELTA410:
635 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta410, &akm_delta410_priv, ice);
636 		break;
637 	case ICE1712_SUBDEVICE_DELTA1010LT:
638 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta1010lt, &akm_delta1010lt_priv, ice);
639 		break;
640 	case ICE1712_SUBDEVICE_DELTA66:
641 	case ICE1712_SUBDEVICE_DELTA44:
642 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice);
643 		break;
644 	case ICE1712_SUBDEVICE_VX442:
645 	case ICE1712_SUBDEVICE_DELTA66E:
646 		err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice);
647 		break;
648 	default:
649 		snd_BUG();
650 		return -EINVAL;
651 	}
652 
653 	return err;
654 }
655 
656 
657 /*
658  * additional controls for M-Audio cards
659  */
660 
661 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_select __devinitdata =
662 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0);
663 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_select __devinitdata =
664 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 0, 0);
665 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_status __devinitdata =
666 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);
667 static struct snd_kcontrol_new snd_ice1712_deltadio2496_spdif_in_select __devinitdata =
668 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, ICE1712_DELTA_SPDIF_INPUT_SELECT, 0, 0);
669 static struct snd_kcontrol_new snd_ice1712_delta_spdif_in_status __devinitdata =
670 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);
671 
672 
673 static int __devinit snd_ice1712_delta_add_controls(struct snd_ice1712 *ice)
674 {
675 	int err;
676 
677 	/* 1010 and dio specific controls */
678 	switch (ice->eeprom.subvendor) {
679 	case ICE1712_SUBDEVICE_DELTA1010:
680 	case ICE1712_SUBDEVICE_MEDIASTATION:
681 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_select, ice));
682 		if (err < 0)
683 			return err;
684 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_status, ice));
685 		if (err < 0)
686 			return err;
687 		break;
688 	case ICE1712_SUBDEVICE_DELTADIO2496:
689 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_deltadio2496_spdif_in_select, ice));
690 		if (err < 0)
691 			return err;
692 		break;
693 	case ICE1712_SUBDEVICE_DELTA1010E:
694 	case ICE1712_SUBDEVICE_DELTA1010LT:
695 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_select, ice));
696 		if (err < 0)
697 			return err;
698 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_status, ice));
699 		if (err < 0)
700 			return err;
701 		break;
702 	}
703 
704 	/* normal spdif controls */
705 	switch (ice->eeprom.subvendor) {
706 	case ICE1712_SUBDEVICE_DELTA1010:
707 	case ICE1712_SUBDEVICE_DELTADIO2496:
708 	case ICE1712_SUBDEVICE_DELTA66:
709 	case ICE1712_SUBDEVICE_MEDIASTATION:
710 		err = snd_ice1712_spdif_build_controls(ice);
711 		if (err < 0)
712 			return err;
713 		break;
714 	}
715 
716 	/* spdif status in */
717 	switch (ice->eeprom.subvendor) {
718 	case ICE1712_SUBDEVICE_DELTA1010:
719 	case ICE1712_SUBDEVICE_DELTADIO2496:
720 	case ICE1712_SUBDEVICE_DELTA66:
721 	case ICE1712_SUBDEVICE_MEDIASTATION:
722 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta_spdif_in_status, ice));
723 		if (err < 0)
724 			return err;
725 		break;
726 	}
727 
728 	/* ak4524 controls */
729 	switch (ice->eeprom.subvendor) {
730 	case ICE1712_SUBDEVICE_DELTA1010LT:
731 	case ICE1712_SUBDEVICE_AUDIOPHILE:
732 	case ICE1712_SUBDEVICE_DELTA410:
733 	case ICE1712_SUBDEVICE_DELTA44:
734 	case ICE1712_SUBDEVICE_DELTA66:
735 	case ICE1712_SUBDEVICE_VX442:
736 	case ICE1712_SUBDEVICE_DELTA66E:
737 		err = snd_ice1712_akm4xxx_build_controls(ice);
738 		if (err < 0)
739 			return err;
740 		break;
741 	}
742 
743 	return 0;
744 }
745 
746 
747 /* entry point */
748 struct snd_ice1712_card_info snd_ice1712_delta_cards[] __devinitdata = {
749 	{
750 		.subvendor = ICE1712_SUBDEVICE_DELTA1010,
751 		.name = "M Audio Delta 1010",
752 		.model = "delta1010",
753 		.chip_init = snd_ice1712_delta_init,
754 		.build_controls = snd_ice1712_delta_add_controls,
755 	},
756 	{
757 		.subvendor = ICE1712_SUBDEVICE_DELTADIO2496,
758 		.name = "M Audio Delta DiO 2496",
759 		.model = "dio2496",
760 		.chip_init = snd_ice1712_delta_init,
761 		.build_controls = snd_ice1712_delta_add_controls,
762 		.no_mpu401 = 1,
763 	},
764 	{
765 		.subvendor = ICE1712_SUBDEVICE_DELTA66,
766 		.name = "M Audio Delta 66",
767 		.model = "delta66",
768 		.chip_init = snd_ice1712_delta_init,
769 		.build_controls = snd_ice1712_delta_add_controls,
770 		.no_mpu401 = 1,
771 	},
772 	{
773 		.subvendor = ICE1712_SUBDEVICE_DELTA44,
774 		.name = "M Audio Delta 44",
775 		.model = "delta44",
776 		.chip_init = snd_ice1712_delta_init,
777 		.build_controls = snd_ice1712_delta_add_controls,
778 		.no_mpu401 = 1,
779 	},
780 	{
781 		.subvendor = ICE1712_SUBDEVICE_AUDIOPHILE,
782 		.name = "M Audio Audiophile 24/96",
783 		.model = "audiophile",
784 		.chip_init = snd_ice1712_delta_init,
785 		.build_controls = snd_ice1712_delta_add_controls,
786 	},
787 	{
788 		.subvendor = ICE1712_SUBDEVICE_DELTA410,
789 		.name = "M Audio Delta 410",
790 		.model = "delta410",
791 		.chip_init = snd_ice1712_delta_init,
792 		.build_controls = snd_ice1712_delta_add_controls,
793 	},
794 	{
795 		.subvendor = ICE1712_SUBDEVICE_DELTA1010LT,
796 		.name = "M Audio Delta 1010LT",
797 		.model = "delta1010lt",
798 		.chip_init = snd_ice1712_delta_init,
799 		.build_controls = snd_ice1712_delta_add_controls,
800 	},
801 	{
802 		.subvendor = ICE1712_SUBDEVICE_VX442,
803 		.name = "Digigram VX442",
804 		.model = "vx442",
805 		.chip_init = snd_ice1712_delta_init,
806 		.build_controls = snd_ice1712_delta_add_controls,
807 		.no_mpu401 = 1,
808 	},
809 	{
810 		.subvendor = ICE1712_SUBDEVICE_MEDIASTATION,
811 		.name = "Lionstracs Mediastation",
812 		.model = "mediastation",
813 		.chip_init = snd_ice1712_delta_init,
814 		.build_controls = snd_ice1712_delta_add_controls,
815 	},
816 	{ } /* terminator */
817 };
818