xref: /openbmc/linux/sound/pci/ice1712/delta.c (revision 1da177e4)
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@suse.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 <sound/driver.h>
26 #include <asm/io.h>
27 #include <linux/delay.h>
28 #include <linux/interrupt.h>
29 #include <linux/init.h>
30 #include <linux/slab.h>
31 #include <sound/core.h>
32 #include <sound/cs8427.h>
33 #include <sound/asoundef.h>
34 
35 #include "ice1712.h"
36 #include "delta.h"
37 
38 #define SND_CS8403
39 #include <sound/cs8403.h>
40 
41 
42 /*
43  * CS8427 via SPI mode (for Audiophile), emulated I2C
44  */
45 
46 /* send 8 bits */
47 static void ap_cs8427_write_byte(ice1712_t *ice, unsigned char data, unsigned char tmp)
48 {
49 	int idx;
50 
51 	for (idx = 7; idx >= 0; idx--) {
52 		tmp &= ~(ICE1712_DELTA_AP_DOUT|ICE1712_DELTA_AP_CCLK);
53 		if (data & (1 << idx))
54 			tmp |= ICE1712_DELTA_AP_DOUT;
55 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
56 		udelay(5);
57 		tmp |= ICE1712_DELTA_AP_CCLK;
58 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
59 		udelay(5);
60 	}
61 }
62 
63 /* read 8 bits */
64 static unsigned char ap_cs8427_read_byte(ice1712_t *ice, unsigned char tmp)
65 {
66 	unsigned char data = 0;
67 	int idx;
68 
69 	for (idx = 7; idx >= 0; idx--) {
70 		tmp &= ~ICE1712_DELTA_AP_CCLK;
71 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
72 		udelay(5);
73 		if (snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_DELTA_AP_DIN)
74 			data |= 1 << idx;
75 		tmp |= ICE1712_DELTA_AP_CCLK;
76 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
77 		udelay(5);
78 	}
79 	return data;
80 }
81 
82 /* assert chip select */
83 static unsigned char ap_cs8427_codec_select(ice1712_t *ice)
84 {
85 	unsigned char tmp;
86 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
87 	switch (ice->eeprom.subvendor) {
88 	case ICE1712_SUBDEVICE_DELTA1010LT:
89 		tmp &= ~ICE1712_DELTA_1010LT_CS;
90 		tmp |= ICE1712_DELTA_1010LT_CCLK | ICE1712_DELTA_1010LT_CS_CS8427;
91 		break;
92 	case ICE1712_SUBDEVICE_AUDIOPHILE:
93 	case ICE1712_SUBDEVICE_DELTA410:
94 		tmp |= ICE1712_DELTA_AP_CCLK | ICE1712_DELTA_AP_CS_CODEC;
95 		tmp &= ~ICE1712_DELTA_AP_CS_DIGITAL;
96 		break;
97 	case ICE1712_SUBDEVICE_VX442:
98 		tmp |= ICE1712_VX442_CCLK | ICE1712_VX442_CODEC_CHIP_A | ICE1712_VX442_CODEC_CHIP_B;
99 		tmp &= ~ICE1712_VX442_CS_DIGITAL;
100 		break;
101 	}
102 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
103 	udelay(5);
104 	return tmp;
105 }
106 
107 /* deassert chip select */
108 static void ap_cs8427_codec_deassert(ice1712_t *ice, unsigned char tmp)
109 {
110 	switch (ice->eeprom.subvendor) {
111 	case ICE1712_SUBDEVICE_DELTA1010LT:
112 		tmp &= ~ICE1712_DELTA_1010LT_CS;
113 		tmp |= ICE1712_DELTA_1010LT_CS_NONE;
114 		break;
115 	case ICE1712_SUBDEVICE_AUDIOPHILE:
116 	case ICE1712_SUBDEVICE_DELTA410:
117 		tmp |= ICE1712_DELTA_AP_CS_DIGITAL;
118 		break;
119 	case ICE1712_SUBDEVICE_VX442:
120 		tmp |= ICE1712_VX442_CS_DIGITAL;
121 		break;
122 	}
123 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
124 }
125 
126 /* sequential write */
127 static int ap_cs8427_sendbytes(snd_i2c_device_t *device, unsigned char *bytes, int count)
128 {
129 	ice1712_t *ice = device->bus->private_data;
130 	int res = count;
131 	unsigned char tmp;
132 
133 	down(&ice->gpio_mutex);
134 	tmp = ap_cs8427_codec_select(ice);
135 	ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */
136 	while (count-- > 0)
137 		ap_cs8427_write_byte(ice, *bytes++, tmp);
138 	ap_cs8427_codec_deassert(ice, tmp);
139 	up(&ice->gpio_mutex);
140 	return res;
141 }
142 
143 /* sequential read */
144 static int ap_cs8427_readbytes(snd_i2c_device_t *device, unsigned char *bytes, int count)
145 {
146 	ice1712_t *ice = device->bus->private_data;
147 	int res = count;
148 	unsigned char tmp;
149 
150 	down(&ice->gpio_mutex);
151 	tmp = ap_cs8427_codec_select(ice);
152 	ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */
153 	while (count-- > 0)
154 		*bytes++ = ap_cs8427_read_byte(ice, tmp);
155 	ap_cs8427_codec_deassert(ice, tmp);
156 	up(&ice->gpio_mutex);
157 	return res;
158 }
159 
160 static int ap_cs8427_probeaddr(snd_i2c_bus_t *bus, unsigned short addr)
161 {
162 	if (addr == 0x10)
163 		return 1;
164 	return -ENOENT;
165 }
166 
167 static snd_i2c_ops_t ap_cs8427_i2c_ops = {
168 	.sendbytes = ap_cs8427_sendbytes,
169 	.readbytes = ap_cs8427_readbytes,
170 	.probeaddr = ap_cs8427_probeaddr,
171 };
172 
173 /*
174  */
175 
176 static void snd_ice1712_delta_cs8403_spdif_write(ice1712_t *ice, unsigned char bits)
177 {
178 	unsigned char tmp, mask1, mask2;
179 	int idx;
180 	/* send byte to transmitter */
181 	mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;
182 	mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;
183 	down(&ice->gpio_mutex);
184 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
185 	for (idx = 7; idx >= 0; idx--) {
186 		tmp &= ~(mask1 | mask2);
187 		if (bits & (1 << idx))
188 			tmp |= mask2;
189 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
190 		udelay(100);
191 		tmp |= mask1;
192 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
193 		udelay(100);
194 	}
195 	tmp &= ~mask1;
196 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
197 	up(&ice->gpio_mutex);
198 }
199 
200 
201 static void delta_spdif_default_get(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
202 {
203 	snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
204 }
205 
206 static int delta_spdif_default_put(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
207 {
208 	unsigned int val;
209 	int change;
210 
211 	val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
212 	spin_lock_irq(&ice->reg_lock);
213 	change = ice->spdif.cs8403_bits != val;
214 	ice->spdif.cs8403_bits = val;
215 	if (change && ice->playback_pro_substream == NULL) {
216 		spin_unlock_irq(&ice->reg_lock);
217 		snd_ice1712_delta_cs8403_spdif_write(ice, val);
218 	} else {
219 		spin_unlock_irq(&ice->reg_lock);
220 	}
221 	return change;
222 }
223 
224 static void delta_spdif_stream_get(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
225 {
226 	snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
227 }
228 
229 static int delta_spdif_stream_put(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
230 {
231 	unsigned int val;
232 	int change;
233 
234 	val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
235 	spin_lock_irq(&ice->reg_lock);
236 	change = ice->spdif.cs8403_stream_bits != val;
237 	ice->spdif.cs8403_stream_bits = val;
238 	if (change && ice->playback_pro_substream != NULL) {
239 		spin_unlock_irq(&ice->reg_lock);
240 		snd_ice1712_delta_cs8403_spdif_write(ice, val);
241 	} else {
242 		spin_unlock_irq(&ice->reg_lock);
243 	}
244 	return change;
245 }
246 
247 
248 /*
249  * AK4524 on Delta 44 and 66 to choose the chip mask
250  */
251 static void delta_ak4524_lock(akm4xxx_t *ak, int chip)
252 {
253         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
254         ice1712_t *ice = ak->private_data[0];
255 
256 	snd_ice1712_save_gpio_status(ice);
257 	priv->cs_mask =
258 	priv->cs_addr = chip == 0 ? ICE1712_DELTA_CODEC_CHIP_A :
259 				    ICE1712_DELTA_CODEC_CHIP_B;
260 }
261 
262 /*
263  * AK4524 on Delta1010LT to choose the chip address
264  */
265 static void delta1010lt_ak4524_lock(akm4xxx_t *ak, int chip)
266 {
267         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
268         ice1712_t *ice = ak->private_data[0];
269 
270 	snd_ice1712_save_gpio_status(ice);
271 	priv->cs_mask = ICE1712_DELTA_1010LT_CS;
272 	priv->cs_addr = chip << 4;
273 }
274 
275 /*
276  * AK4528 on VX442 to choose the chip mask
277  */
278 static void vx442_ak4524_lock(akm4xxx_t *ak, int chip)
279 {
280         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
281         ice1712_t *ice = ak->private_data[0];
282 
283 	snd_ice1712_save_gpio_status(ice);
284 	priv->cs_mask =
285 	priv->cs_addr = chip == 0 ? ICE1712_VX442_CODEC_CHIP_A :
286 				    ICE1712_VX442_CODEC_CHIP_B;
287 }
288 
289 /*
290  * change the DFS bit according rate for Delta1010
291  */
292 static void delta_1010_set_rate_val(ice1712_t *ice, unsigned int rate)
293 {
294 	unsigned char tmp, tmp2;
295 
296 	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
297 		return;
298 
299 	down(&ice->gpio_mutex);
300 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
301 	tmp2 = tmp & ~ICE1712_DELTA_DFS;
302 	if (rate > 48000)
303 		tmp2 |= ICE1712_DELTA_DFS;
304 	if (tmp != tmp2)
305 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);
306 	up(&ice->gpio_mutex);
307 }
308 
309 /*
310  * change the rate of AK4524 on Delta 44/66, AP, 1010LT
311  */
312 static void delta_ak4524_set_rate_val(akm4xxx_t *ak, unsigned int rate)
313 {
314 	unsigned char tmp, tmp2;
315 	ice1712_t *ice = ak->private_data[0];
316 
317 	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
318 		return;
319 
320 	/* check before reset ak4524 to avoid unnecessary clicks */
321 	down(&ice->gpio_mutex);
322 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
323 	up(&ice->gpio_mutex);
324 	tmp2 = tmp & ~ICE1712_DELTA_DFS;
325 	if (rate > 48000)
326 		tmp2 |= ICE1712_DELTA_DFS;
327 	if (tmp == tmp2)
328 		return;
329 
330 	/* do it again */
331 	snd_akm4xxx_reset(ak, 1);
332 	down(&ice->gpio_mutex);
333 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;
334 	if (rate > 48000)
335 		tmp |= ICE1712_DELTA_DFS;
336 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
337 	up(&ice->gpio_mutex);
338 	snd_akm4xxx_reset(ak, 0);
339 }
340 
341 /*
342  * change the rate of AK4524 on VX442
343  */
344 static void vx442_ak4524_set_rate_val(akm4xxx_t *ak, unsigned int rate)
345 {
346 	unsigned char val;
347 
348 	val = (rate > 48000) ? 0x65 : 0x60;
349 	if (snd_akm4xxx_get(ak, 0, 0x02) != val ||
350 	    snd_akm4xxx_get(ak, 1, 0x02) != val) {
351 		snd_akm4xxx_reset(ak, 1);
352 		snd_akm4xxx_write(ak, 0, 0x02, val);
353 		snd_akm4xxx_write(ak, 1, 0x02, val);
354 		snd_akm4xxx_reset(ak, 0);
355 	}
356 }
357 
358 
359 /*
360  * SPDIF ops for Delta 1010, Dio, 66
361  */
362 
363 /* open callback */
364 static void delta_open_spdif(ice1712_t *ice, snd_pcm_substream_t * substream)
365 {
366 	ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
367 }
368 
369 /* set up */
370 static void delta_setup_spdif(ice1712_t *ice, int rate)
371 {
372 	unsigned long flags;
373 	unsigned int tmp;
374 	int change;
375 
376 	spin_lock_irqsave(&ice->reg_lock, flags);
377 	tmp = ice->spdif.cs8403_stream_bits;
378 	if (tmp & 0x01)		/* consumer */
379 		tmp &= (tmp & 0x01) ? ~0x06 : ~0x18;
380 	switch (rate) {
381 	case 32000: tmp |= (tmp & 0x01) ? 0x04 : 0x00; break;
382 	case 44100: tmp |= (tmp & 0x01) ? 0x00 : 0x10; break;
383 	case 48000: tmp |= (tmp & 0x01) ? 0x02 : 0x08; break;
384 	default: tmp |= (tmp & 0x01) ? 0x00 : 0x18; break;
385 	}
386 	change = ice->spdif.cs8403_stream_bits != tmp;
387 	ice->spdif.cs8403_stream_bits = tmp;
388 	spin_unlock_irqrestore(&ice->reg_lock, flags);
389 	if (change)
390 		snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
391 	snd_ice1712_delta_cs8403_spdif_write(ice, tmp);
392 }
393 
394 
395 /*
396  * initialize the chips on M-Audio cards
397  */
398 
399 static akm4xxx_t akm_audiophile __devinitdata = {
400 	.type = SND_AK4528,
401 	.num_adcs = 2,
402 	.num_dacs = 2,
403 	.ops = {
404 		.set_rate_val = delta_ak4524_set_rate_val
405 	}
406 };
407 
408 static struct snd_ak4xxx_private akm_audiophile_priv __devinitdata = {
409 	.caddr = 2,
410 	.cif = 0,
411 	.data_mask = ICE1712_DELTA_AP_DOUT,
412 	.clk_mask = ICE1712_DELTA_AP_CCLK,
413 	.cs_mask = ICE1712_DELTA_AP_CS_CODEC,
414 	.cs_addr = ICE1712_DELTA_AP_CS_CODEC,
415 	.cs_none = 0,
416 	.add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
417 	.mask_flags = 0,
418 };
419 
420 static akm4xxx_t akm_delta410 __devinitdata = {
421 	.type = SND_AK4529,
422 	.num_adcs = 2,
423 	.num_dacs = 8,
424 	.ops = {
425 		.set_rate_val = delta_ak4524_set_rate_val
426 	}
427 };
428 
429 static struct snd_ak4xxx_private akm_delta410_priv __devinitdata = {
430 	.caddr = 0,
431 	.cif = 0,
432 	.data_mask = ICE1712_DELTA_AP_DOUT,
433 	.clk_mask = ICE1712_DELTA_AP_CCLK,
434 	.cs_mask = ICE1712_DELTA_AP_CS_CODEC,
435 	.cs_addr = ICE1712_DELTA_AP_CS_CODEC,
436 	.cs_none = 0,
437 	.add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
438 	.mask_flags = 0,
439 };
440 
441 static akm4xxx_t akm_delta1010lt __devinitdata = {
442 	.type = SND_AK4524,
443 	.num_adcs = 8,
444 	.num_dacs = 8,
445 	.ops = {
446 		.lock = delta1010lt_ak4524_lock,
447 		.set_rate_val = delta_ak4524_set_rate_val
448 	}
449 };
450 
451 static struct snd_ak4xxx_private akm_delta1010lt_priv __devinitdata = {
452 	.caddr = 2,
453 	.cif = 0, /* the default level of the CIF pin from AK4524 */
454 	.data_mask = ICE1712_DELTA_1010LT_DOUT,
455 	.clk_mask = ICE1712_DELTA_1010LT_CCLK,
456 	.cs_mask = 0,
457 	.cs_addr = 0, /* set later */
458 	.cs_none = ICE1712_DELTA_1010LT_CS_NONE,
459 	.add_flags = 0,
460 	.mask_flags = 0,
461 };
462 
463 static akm4xxx_t akm_delta44 __devinitdata = {
464 	.type = SND_AK4524,
465 	.num_adcs = 4,
466 	.num_dacs = 4,
467 	.ops = {
468 		.lock = delta_ak4524_lock,
469 		.set_rate_val = delta_ak4524_set_rate_val
470 	}
471 };
472 
473 static struct snd_ak4xxx_private akm_delta44_priv __devinitdata = {
474 	.caddr = 2,
475 	.cif = 0, /* the default level of the CIF pin from AK4524 */
476 	.data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA,
477 	.clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK,
478 	.cs_mask = 0,
479 	.cs_addr = 0, /* set later */
480 	.cs_none = 0,
481 	.add_flags = 0,
482 	.mask_flags = 0,
483 };
484 
485 static akm4xxx_t akm_vx442 __devinitdata = {
486 	.type = SND_AK4524,
487 	.num_adcs = 4,
488 	.num_dacs = 4,
489 	.ops = {
490 		.lock = vx442_ak4524_lock,
491 		.set_rate_val = vx442_ak4524_set_rate_val
492 	}
493 };
494 
495 static struct snd_ak4xxx_private akm_vx442_priv __devinitdata = {
496 	.caddr = 2,
497 	.cif = 0,
498 	.data_mask = ICE1712_VX442_DOUT,
499 	.clk_mask = ICE1712_VX442_CCLK,
500 	.cs_mask = 0,
501 	.cs_addr = 0, /* set later */
502 	.cs_none = 0,
503 	.add_flags = 0,
504 	.mask_flags = 0,
505 };
506 
507 static int __devinit snd_ice1712_delta_init(ice1712_t *ice)
508 {
509 	int err;
510 	akm4xxx_t *ak;
511 
512 	/* determine I2C, DACs and ADCs */
513 	switch (ice->eeprom.subvendor) {
514 	case ICE1712_SUBDEVICE_AUDIOPHILE:
515 		ice->num_total_dacs = 2;
516 		ice->num_total_adcs = 2;
517 		break;
518 	case ICE1712_SUBDEVICE_DELTA410:
519 		ice->num_total_dacs = 8;
520 		ice->num_total_adcs = 2;
521 		break;
522 	case ICE1712_SUBDEVICE_DELTA44:
523 	case ICE1712_SUBDEVICE_DELTA66:
524 		ice->num_total_dacs = ice->omni ? 8 : 4;
525 		ice->num_total_adcs = ice->omni ? 8 : 4;
526 		break;
527 	case ICE1712_SUBDEVICE_DELTA1010:
528 	case ICE1712_SUBDEVICE_DELTA1010LT:
529 	case ICE1712_SUBDEVICE_MEDIASTATION:
530 		ice->num_total_dacs = 8;
531 		ice->num_total_adcs = 8;
532 		break;
533 	case ICE1712_SUBDEVICE_DELTADIO2496:
534 		ice->num_total_dacs = 4;	/* two AK4324 codecs */
535 		break;
536 	case ICE1712_SUBDEVICE_VX442:
537 		ice->num_total_dacs = 4;
538 		ice->num_total_adcs = 4;
539 		break;
540 	}
541 
542 	/* initialize spdif */
543 	switch (ice->eeprom.subvendor) {
544 	case ICE1712_SUBDEVICE_AUDIOPHILE:
545 	case ICE1712_SUBDEVICE_DELTA410:
546 	case ICE1712_SUBDEVICE_DELTA1010LT:
547 	case ICE1712_SUBDEVICE_VX442:
548 		if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
549 			snd_printk("unable to create I2C bus\n");
550 			return err;
551 		}
552 		ice->i2c->private_data = ice;
553 		ice->i2c->ops = &ap_cs8427_i2c_ops;
554 		if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
555 			return err;
556 		break;
557 	case ICE1712_SUBDEVICE_DELTA1010:
558 	case ICE1712_SUBDEVICE_MEDIASTATION:
559 		ice->gpio.set_pro_rate = delta_1010_set_rate_val;
560 		break;
561 	case ICE1712_SUBDEVICE_DELTADIO2496:
562 		ice->gpio.set_pro_rate = delta_1010_set_rate_val;
563 		/* fall thru */
564 	case ICE1712_SUBDEVICE_DELTA66:
565 		ice->spdif.ops.open = delta_open_spdif;
566 		ice->spdif.ops.setup_rate = delta_setup_spdif;
567 		ice->spdif.ops.default_get = delta_spdif_default_get;
568 		ice->spdif.ops.default_put = delta_spdif_default_put;
569 		ice->spdif.ops.stream_get = delta_spdif_stream_get;
570 		ice->spdif.ops.stream_put = delta_spdif_stream_put;
571 		/* Set spdif defaults */
572 		snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);
573 		break;
574 	}
575 
576 	/* no analog? */
577 	switch (ice->eeprom.subvendor) {
578 	case ICE1712_SUBDEVICE_DELTA1010:
579 	case ICE1712_SUBDEVICE_DELTADIO2496:
580 	case ICE1712_SUBDEVICE_MEDIASTATION:
581 		return 0;
582 	}
583 
584 	/* second stage of initialization, analog parts and others */
585 	ak = ice->akm = kmalloc(sizeof(akm4xxx_t), GFP_KERNEL);
586 	if (! ak)
587 		return -ENOMEM;
588 	ice->akm_codecs = 1;
589 
590 	switch (ice->eeprom.subvendor) {
591 	case ICE1712_SUBDEVICE_AUDIOPHILE:
592 		err = snd_ice1712_akm4xxx_init(ak, &akm_audiophile, &akm_audiophile_priv, ice);
593 		break;
594 	case ICE1712_SUBDEVICE_DELTA410:
595 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta410, &akm_delta410_priv, ice);
596 		break;
597 	case ICE1712_SUBDEVICE_DELTA1010LT:
598 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta1010lt, &akm_delta1010lt_priv, ice);
599 		break;
600 	case ICE1712_SUBDEVICE_DELTA66:
601 	case ICE1712_SUBDEVICE_DELTA44:
602 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice);
603 		break;
604 	case ICE1712_SUBDEVICE_VX442:
605 		err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice);
606 		break;
607 	default:
608 		snd_BUG();
609 		return -EINVAL;
610 	}
611 
612 	return err;
613 }
614 
615 
616 /*
617  * additional controls for M-Audio cards
618  */
619 
620 static snd_kcontrol_new_t snd_ice1712_delta1010_wordclock_select __devinitdata =
621 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_PCM, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0);
622 static snd_kcontrol_new_t snd_ice1712_delta1010lt_wordclock_select __devinitdata =
623 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_PCM, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 1, 0);
624 static snd_kcontrol_new_t snd_ice1712_delta1010_wordclock_status __devinitdata =
625 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_PCM, "Word Clock Status", 0, ICE1712_DELTA_WORD_CLOCK_STATUS, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE);
626 static snd_kcontrol_new_t snd_ice1712_deltadio2496_spdif_in_select __devinitdata =
627 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_PCM, "IEC958 Input Optical", 0, ICE1712_DELTA_SPDIF_INPUT_SELECT, 0, 0);
628 static snd_kcontrol_new_t snd_ice1712_delta_spdif_in_status __devinitdata =
629 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_PCM, "Delta IEC958 Input Status", 0, ICE1712_DELTA_SPDIF_IN_STAT, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE);
630 
631 
632 static int __devinit snd_ice1712_delta_add_controls(ice1712_t *ice)
633 {
634 	int err;
635 
636 	/* 1010 and dio specific controls */
637 	switch (ice->eeprom.subvendor) {
638 	case ICE1712_SUBDEVICE_DELTA1010:
639 	case ICE1712_SUBDEVICE_MEDIASTATION:
640 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_select, ice));
641 		if (err < 0)
642 			return err;
643 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_status, ice));
644 		if (err < 0)
645 			return err;
646 		break;
647 	case ICE1712_SUBDEVICE_DELTADIO2496:
648 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_deltadio2496_spdif_in_select, ice));
649 		if (err < 0)
650 			return err;
651 		break;
652 	case ICE1712_SUBDEVICE_DELTA1010LT:
653 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_select, ice));
654 		if (err < 0)
655 			return err;
656 		break;
657 	}
658 
659 	/* normal spdif controls */
660 	switch (ice->eeprom.subvendor) {
661 	case ICE1712_SUBDEVICE_DELTA1010:
662 	case ICE1712_SUBDEVICE_DELTADIO2496:
663 	case ICE1712_SUBDEVICE_DELTA66:
664 	case ICE1712_SUBDEVICE_MEDIASTATION:
665 		err = snd_ice1712_spdif_build_controls(ice);
666 		if (err < 0)
667 			return err;
668 		break;
669 	}
670 
671 	/* spdif status in */
672 	switch (ice->eeprom.subvendor) {
673 	case ICE1712_SUBDEVICE_DELTA1010:
674 	case ICE1712_SUBDEVICE_DELTADIO2496:
675 	case ICE1712_SUBDEVICE_DELTA66:
676 	case ICE1712_SUBDEVICE_MEDIASTATION:
677 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta_spdif_in_status, ice));
678 		if (err < 0)
679 			return err;
680 		break;
681 	}
682 
683 	/* ak4524 controls */
684 	switch (ice->eeprom.subvendor) {
685 	case ICE1712_SUBDEVICE_DELTA1010LT:
686 	case ICE1712_SUBDEVICE_AUDIOPHILE:
687 	case ICE1712_SUBDEVICE_DELTA410:
688 	case ICE1712_SUBDEVICE_DELTA44:
689 	case ICE1712_SUBDEVICE_DELTA66:
690 	case ICE1712_SUBDEVICE_VX442:
691 		err = snd_ice1712_akm4xxx_build_controls(ice);
692 		if (err < 0)
693 			return err;
694 		break;
695 	}
696 
697 	return 0;
698 }
699 
700 
701 /* entry point */
702 struct snd_ice1712_card_info snd_ice1712_delta_cards[] __devinitdata = {
703 	{
704 		.subvendor = ICE1712_SUBDEVICE_DELTA1010,
705 		.name = "M Audio Delta 1010",
706 		.model = "delta1010",
707 		.chip_init = snd_ice1712_delta_init,
708 		.build_controls = snd_ice1712_delta_add_controls,
709 	},
710 	{
711 		.subvendor = ICE1712_SUBDEVICE_DELTADIO2496,
712 		.name = "M Audio Delta DiO 2496",
713 		.model = "dio2496",
714 		.chip_init = snd_ice1712_delta_init,
715 		.build_controls = snd_ice1712_delta_add_controls,
716 		.no_mpu401 = 1,
717 	},
718 	{
719 		.subvendor = ICE1712_SUBDEVICE_DELTA66,
720 		.name = "M Audio Delta 66",
721 		.model = "delta66",
722 		.chip_init = snd_ice1712_delta_init,
723 		.build_controls = snd_ice1712_delta_add_controls,
724 		.no_mpu401 = 1,
725 	},
726 	{
727 		.subvendor = ICE1712_SUBDEVICE_DELTA44,
728 		.name = "M Audio Delta 44",
729 		.model = "delta44",
730 		.chip_init = snd_ice1712_delta_init,
731 		.build_controls = snd_ice1712_delta_add_controls,
732 		.no_mpu401 = 1,
733 	},
734 	{
735 		.subvendor = ICE1712_SUBDEVICE_AUDIOPHILE,
736 		.name = "M Audio Audiophile 24/96",
737 		.model = "audiophile",
738 		.chip_init = snd_ice1712_delta_init,
739 		.build_controls = snd_ice1712_delta_add_controls,
740 	},
741 	{
742 		.subvendor = ICE1712_SUBDEVICE_DELTA410,
743 		.name = "M Audio Delta 410",
744 		.model = "delta410",
745 		.chip_init = snd_ice1712_delta_init,
746 		.build_controls = snd_ice1712_delta_add_controls,
747 	},
748 	{
749 		.subvendor = ICE1712_SUBDEVICE_DELTA1010LT,
750 		.name = "M Audio Delta 1010LT",
751 		.model = "delta1010lt",
752 		.chip_init = snd_ice1712_delta_init,
753 		.build_controls = snd_ice1712_delta_add_controls,
754 	},
755 	{
756 		.subvendor = ICE1712_SUBDEVICE_VX442,
757 		.name = "Digigram VX442",
758 		.model = "vx442",
759 		.chip_init = snd_ice1712_delta_init,
760 		.build_controls = snd_ice1712_delta_add_controls,
761 		.no_mpu401 = 1,
762 	},
763 	{
764 		.subvendor = ICE1712_SUBDEVICE_MEDIASTATION,
765 		.name = "Lionstracs Mediastation",
766 		.model = "mediastation",
767 		.chip_init = snd_ice1712_delta_init,
768 		.build_controls = snd_ice1712_delta_add_controls,
769 	},
770 	{ } /* terminator */
771 };
772