xref: /openbmc/linux/sound/pci/ice1712/delta.c (revision e3b9f1e8)
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 <linux/delay.h>
26 #include <linux/interrupt.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/mutex.h>
30 
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(struct snd_ice1712 *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(struct snd_ice1712 *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(struct snd_ice1712 *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_DELTA1010E:
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_DELTA66E:
99 		tmp |= ICE1712_DELTA_66E_CCLK | ICE1712_DELTA_66E_CS_CHIP_A |
100 		       ICE1712_DELTA_66E_CS_CHIP_B;
101 		tmp &= ~ICE1712_DELTA_66E_CS_CS8427;
102 		break;
103 	case ICE1712_SUBDEVICE_VX442:
104 		tmp |= ICE1712_VX442_CCLK | ICE1712_VX442_CODEC_CHIP_A | ICE1712_VX442_CODEC_CHIP_B;
105 		tmp &= ~ICE1712_VX442_CS_DIGITAL;
106 		break;
107 	}
108 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
109 	udelay(5);
110 	return tmp;
111 }
112 
113 /* deassert chip select */
114 static void ap_cs8427_codec_deassert(struct snd_ice1712 *ice, unsigned char tmp)
115 {
116 	switch (ice->eeprom.subvendor) {
117 	case ICE1712_SUBDEVICE_DELTA1010E:
118 	case ICE1712_SUBDEVICE_DELTA1010LT:
119 		tmp &= ~ICE1712_DELTA_1010LT_CS;
120 		tmp |= ICE1712_DELTA_1010LT_CS_NONE;
121 		break;
122 	case ICE1712_SUBDEVICE_AUDIOPHILE:
123 	case ICE1712_SUBDEVICE_DELTA410:
124 		tmp |= ICE1712_DELTA_AP_CS_DIGITAL;
125 		break;
126 	case ICE1712_SUBDEVICE_DELTA66E:
127 		tmp |= ICE1712_DELTA_66E_CS_CS8427;
128 		break;
129 	case ICE1712_SUBDEVICE_VX442:
130 		tmp |= ICE1712_VX442_CS_DIGITAL;
131 		break;
132 	}
133 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
134 }
135 
136 /* sequential write */
137 static int ap_cs8427_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
138 {
139 	struct snd_ice1712 *ice = device->bus->private_data;
140 	int res = count;
141 	unsigned char tmp;
142 
143 	mutex_lock(&ice->gpio_mutex);
144 	tmp = ap_cs8427_codec_select(ice);
145 	ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */
146 	while (count-- > 0)
147 		ap_cs8427_write_byte(ice, *bytes++, tmp);
148 	ap_cs8427_codec_deassert(ice, tmp);
149 	mutex_unlock(&ice->gpio_mutex);
150 	return res;
151 }
152 
153 /* sequential read */
154 static int ap_cs8427_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
155 {
156 	struct snd_ice1712 *ice = device->bus->private_data;
157 	int res = count;
158 	unsigned char tmp;
159 
160 	mutex_lock(&ice->gpio_mutex);
161 	tmp = ap_cs8427_codec_select(ice);
162 	ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */
163 	while (count-- > 0)
164 		*bytes++ = ap_cs8427_read_byte(ice, tmp);
165 	ap_cs8427_codec_deassert(ice, tmp);
166 	mutex_unlock(&ice->gpio_mutex);
167 	return res;
168 }
169 
170 static int ap_cs8427_probeaddr(struct snd_i2c_bus *bus, unsigned short addr)
171 {
172 	if (addr == 0x10)
173 		return 1;
174 	return -ENOENT;
175 }
176 
177 static const struct snd_i2c_ops ap_cs8427_i2c_ops = {
178 	.sendbytes = ap_cs8427_sendbytes,
179 	.readbytes = ap_cs8427_readbytes,
180 	.probeaddr = ap_cs8427_probeaddr,
181 };
182 
183 /*
184  */
185 
186 static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
187 {
188 	unsigned char tmp, mask1, mask2;
189 	int idx;
190 	/* send byte to transmitter */
191 	mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;
192 	mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;
193 	mutex_lock(&ice->gpio_mutex);
194 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
195 	for (idx = 7; idx >= 0; idx--) {
196 		tmp &= ~(mask1 | mask2);
197 		if (bits & (1 << idx))
198 			tmp |= mask2;
199 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
200 		udelay(100);
201 		tmp |= mask1;
202 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
203 		udelay(100);
204 	}
205 	tmp &= ~mask1;
206 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
207 	mutex_unlock(&ice->gpio_mutex);
208 }
209 
210 
211 static void delta_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
212 {
213 	snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
214 }
215 
216 static int delta_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
217 {
218 	unsigned int val;
219 	int change;
220 
221 	val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
222 	spin_lock_irq(&ice->reg_lock);
223 	change = ice->spdif.cs8403_bits != val;
224 	ice->spdif.cs8403_bits = val;
225 	if (change && ice->playback_pro_substream == NULL) {
226 		spin_unlock_irq(&ice->reg_lock);
227 		snd_ice1712_delta_cs8403_spdif_write(ice, val);
228 	} else {
229 		spin_unlock_irq(&ice->reg_lock);
230 	}
231 	return change;
232 }
233 
234 static void delta_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
235 {
236 	snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
237 }
238 
239 static int delta_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
240 {
241 	unsigned int val;
242 	int change;
243 
244 	val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
245 	spin_lock_irq(&ice->reg_lock);
246 	change = ice->spdif.cs8403_stream_bits != val;
247 	ice->spdif.cs8403_stream_bits = val;
248 	if (change && ice->playback_pro_substream != NULL) {
249 		spin_unlock_irq(&ice->reg_lock);
250 		snd_ice1712_delta_cs8403_spdif_write(ice, val);
251 	} else {
252 		spin_unlock_irq(&ice->reg_lock);
253 	}
254 	return change;
255 }
256 
257 
258 /*
259  * AK4524 on Delta 44 and 66 to choose the chip mask
260  */
261 static void delta_ak4524_lock(struct snd_akm4xxx *ak, int chip)
262 {
263         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
264         struct snd_ice1712 *ice = ak->private_data[0];
265 
266 	snd_ice1712_save_gpio_status(ice);
267 	priv->cs_mask =
268 	priv->cs_addr = chip == 0 ? ICE1712_DELTA_CODEC_CHIP_A :
269 				    ICE1712_DELTA_CODEC_CHIP_B;
270 }
271 
272 /*
273  * AK4524 on Delta1010LT to choose the chip address
274  */
275 static void delta1010lt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
276 {
277         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
278         struct snd_ice1712 *ice = ak->private_data[0];
279 
280 	snd_ice1712_save_gpio_status(ice);
281 	priv->cs_mask = ICE1712_DELTA_1010LT_CS;
282 	priv->cs_addr = chip << 4;
283 }
284 
285 /*
286  * AK4524 on Delta66 rev E to choose the chip address
287  */
288 static void delta66e_ak4524_lock(struct snd_akm4xxx *ak, int chip)
289 {
290 	struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
291 	struct snd_ice1712 *ice = ak->private_data[0];
292 
293 	snd_ice1712_save_gpio_status(ice);
294 	priv->cs_mask =
295 	priv->cs_addr = chip == 0 ? ICE1712_DELTA_66E_CS_CHIP_A :
296 				    ICE1712_DELTA_66E_CS_CHIP_B;
297 }
298 
299 /*
300  * AK4528 on VX442 to choose the chip mask
301  */
302 static void vx442_ak4524_lock(struct snd_akm4xxx *ak, int chip)
303 {
304         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
305         struct snd_ice1712 *ice = ak->private_data[0];
306 
307 	snd_ice1712_save_gpio_status(ice);
308 	priv->cs_mask =
309 	priv->cs_addr = chip == 0 ? ICE1712_VX442_CODEC_CHIP_A :
310 				    ICE1712_VX442_CODEC_CHIP_B;
311 }
312 
313 /*
314  * change the DFS bit according rate for Delta1010
315  */
316 static void delta_1010_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
317 {
318 	unsigned char tmp, tmp2;
319 
320 	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
321 		return;
322 
323 	mutex_lock(&ice->gpio_mutex);
324 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
325 	tmp2 = tmp & ~ICE1712_DELTA_DFS;
326 	if (rate > 48000)
327 		tmp2 |= ICE1712_DELTA_DFS;
328 	if (tmp != tmp2)
329 		snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);
330 	mutex_unlock(&ice->gpio_mutex);
331 }
332 
333 /*
334  * change the rate of AK4524 on Delta 44/66, AP, 1010LT
335  */
336 static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
337 {
338 	unsigned char tmp, tmp2;
339 	struct snd_ice1712 *ice = ak->private_data[0];
340 
341 	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
342 		return;
343 
344 	/* check before reset ak4524 to avoid unnecessary clicks */
345 	mutex_lock(&ice->gpio_mutex);
346 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
347 	mutex_unlock(&ice->gpio_mutex);
348 	tmp2 = tmp & ~ICE1712_DELTA_DFS;
349 	if (rate > 48000)
350 		tmp2 |= ICE1712_DELTA_DFS;
351 	if (tmp == tmp2)
352 		return;
353 
354 	/* do it again */
355 	snd_akm4xxx_reset(ak, 1);
356 	mutex_lock(&ice->gpio_mutex);
357 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;
358 	if (rate > 48000)
359 		tmp |= ICE1712_DELTA_DFS;
360 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
361 	mutex_unlock(&ice->gpio_mutex);
362 	snd_akm4xxx_reset(ak, 0);
363 }
364 
365 /*
366  * change the rate of AK4524 on VX442
367  */
368 static void vx442_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
369 {
370 	unsigned char val;
371 
372 	val = (rate > 48000) ? 0x65 : 0x60;
373 	if (snd_akm4xxx_get(ak, 0, 0x02) != val ||
374 	    snd_akm4xxx_get(ak, 1, 0x02) != val) {
375 		snd_akm4xxx_reset(ak, 1);
376 		snd_akm4xxx_write(ak, 0, 0x02, val);
377 		snd_akm4xxx_write(ak, 1, 0x02, val);
378 		snd_akm4xxx_reset(ak, 0);
379 	}
380 }
381 
382 
383 /*
384  * SPDIF ops for Delta 1010, Dio, 66
385  */
386 
387 /* open callback */
388 static void delta_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
389 {
390 	ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
391 }
392 
393 /* set up */
394 static void delta_setup_spdif(struct snd_ice1712 *ice, int rate)
395 {
396 	unsigned long flags;
397 	unsigned int tmp;
398 	int change;
399 
400 	spin_lock_irqsave(&ice->reg_lock, flags);
401 	tmp = ice->spdif.cs8403_stream_bits;
402 	if (tmp & 0x01)		/* consumer */
403 		tmp &= (tmp & 0x01) ? ~0x06 : ~0x18;
404 	switch (rate) {
405 	case 32000: tmp |= (tmp & 0x01) ? 0x04 : 0x00; break;
406 	case 44100: tmp |= (tmp & 0x01) ? 0x00 : 0x10; break;
407 	case 48000: tmp |= (tmp & 0x01) ? 0x02 : 0x08; break;
408 	default: tmp |= (tmp & 0x01) ? 0x00 : 0x18; break;
409 	}
410 	change = ice->spdif.cs8403_stream_bits != tmp;
411 	ice->spdif.cs8403_stream_bits = tmp;
412 	spin_unlock_irqrestore(&ice->reg_lock, flags);
413 	if (change)
414 		snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
415 	snd_ice1712_delta_cs8403_spdif_write(ice, tmp);
416 }
417 
418 #define snd_ice1712_delta1010lt_wordclock_status_info \
419 	snd_ctl_boolean_mono_info
420 
421 static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kcontrol,
422 			 struct snd_ctl_elem_value *ucontrol)
423 {
424 	char reg = 0x10; /* CS8427 receiver error register */
425 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
426 
427 	if (snd_i2c_sendbytes(ice->cs8427, &reg, 1) != 1)
428 		dev_err(ice->card->dev,
429 			"unable to send register 0x%x byte to CS8427\n", reg);
430 	snd_i2c_readbytes(ice->cs8427, &reg, 1);
431 	ucontrol->value.integer.value[0] = (reg & CS8427_UNLOCK) ? 1 : 0;
432 	return 0;
433 }
434 
435 static const struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status =
436 {
437 	.access =	(SNDRV_CTL_ELEM_ACCESS_READ),
438 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
439 	.name =         "Word Clock Status",
440 	.info =		snd_ice1712_delta1010lt_wordclock_status_info,
441 	.get =		snd_ice1712_delta1010lt_wordclock_status_get,
442 };
443 
444 /*
445  * initialize the chips on M-Audio cards
446  */
447 
448 static const struct snd_akm4xxx akm_audiophile = {
449 	.type = SND_AK4528,
450 	.num_adcs = 2,
451 	.num_dacs = 2,
452 	.ops = {
453 		.set_rate_val = delta_ak4524_set_rate_val
454 	}
455 };
456 
457 static const struct snd_ak4xxx_private akm_audiophile_priv = {
458 	.caddr = 2,
459 	.cif = 0,
460 	.data_mask = ICE1712_DELTA_AP_DOUT,
461 	.clk_mask = ICE1712_DELTA_AP_CCLK,
462 	.cs_mask = ICE1712_DELTA_AP_CS_CODEC,
463 	.cs_addr = ICE1712_DELTA_AP_CS_CODEC,
464 	.cs_none = 0,
465 	.add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
466 	.mask_flags = 0,
467 };
468 
469 static const struct snd_akm4xxx akm_delta410 = {
470 	.type = SND_AK4529,
471 	.num_adcs = 2,
472 	.num_dacs = 8,
473 	.ops = {
474 		.set_rate_val = delta_ak4524_set_rate_val
475 	}
476 };
477 
478 static const struct snd_ak4xxx_private akm_delta410_priv = {
479 	.caddr = 0,
480 	.cif = 0,
481 	.data_mask = ICE1712_DELTA_AP_DOUT,
482 	.clk_mask = ICE1712_DELTA_AP_CCLK,
483 	.cs_mask = ICE1712_DELTA_AP_CS_CODEC,
484 	.cs_addr = ICE1712_DELTA_AP_CS_CODEC,
485 	.cs_none = 0,
486 	.add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
487 	.mask_flags = 0,
488 };
489 
490 static const struct snd_akm4xxx akm_delta1010lt = {
491 	.type = SND_AK4524,
492 	.num_adcs = 8,
493 	.num_dacs = 8,
494 	.ops = {
495 		.lock = delta1010lt_ak4524_lock,
496 		.set_rate_val = delta_ak4524_set_rate_val
497 	}
498 };
499 
500 static const struct snd_ak4xxx_private akm_delta1010lt_priv = {
501 	.caddr = 2,
502 	.cif = 0, /* the default level of the CIF pin from AK4524 */
503 	.data_mask = ICE1712_DELTA_1010LT_DOUT,
504 	.clk_mask = ICE1712_DELTA_1010LT_CCLK,
505 	.cs_mask = 0,
506 	.cs_addr = 0, /* set later */
507 	.cs_none = ICE1712_DELTA_1010LT_CS_NONE,
508 	.add_flags = 0,
509 	.mask_flags = 0,
510 };
511 
512 static const struct snd_akm4xxx akm_delta66e = {
513 	.type = SND_AK4524,
514 	.num_adcs = 4,
515 	.num_dacs = 4,
516 	.ops = {
517 		.lock = delta66e_ak4524_lock,
518 		.set_rate_val = delta_ak4524_set_rate_val
519 	}
520 };
521 
522 static const struct snd_ak4xxx_private akm_delta66e_priv = {
523 	.caddr = 2,
524 	.cif = 0, /* the default level of the CIF pin from AK4524 */
525 	.data_mask = ICE1712_DELTA_66E_DOUT,
526 	.clk_mask = ICE1712_DELTA_66E_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 
535 static const struct snd_akm4xxx akm_delta44 = {
536 	.type = SND_AK4524,
537 	.num_adcs = 4,
538 	.num_dacs = 4,
539 	.ops = {
540 		.lock = delta_ak4524_lock,
541 		.set_rate_val = delta_ak4524_set_rate_val
542 	}
543 };
544 
545 static const struct snd_ak4xxx_private akm_delta44_priv = {
546 	.caddr = 2,
547 	.cif = 0, /* the default level of the CIF pin from AK4524 */
548 	.data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA,
549 	.clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK,
550 	.cs_mask = 0,
551 	.cs_addr = 0, /* set later */
552 	.cs_none = 0,
553 	.add_flags = 0,
554 	.mask_flags = 0,
555 };
556 
557 static const struct snd_akm4xxx akm_vx442 = {
558 	.type = SND_AK4524,
559 	.num_adcs = 4,
560 	.num_dacs = 4,
561 	.ops = {
562 		.lock = vx442_ak4524_lock,
563 		.set_rate_val = vx442_ak4524_set_rate_val
564 	}
565 };
566 
567 static const struct snd_ak4xxx_private akm_vx442_priv = {
568 	.caddr = 2,
569 	.cif = 0,
570 	.data_mask = ICE1712_VX442_DOUT,
571 	.clk_mask = ICE1712_VX442_CCLK,
572 	.cs_mask = 0,
573 	.cs_addr = 0, /* set later */
574 	.cs_none = 0,
575 	.add_flags = 0,
576 	.mask_flags = 0,
577 };
578 
579 #ifdef CONFIG_PM_SLEEP
580 static int snd_ice1712_delta_resume(struct snd_ice1712 *ice)
581 {
582 	unsigned char akm_img_bak[AK4XXX_IMAGE_SIZE];
583 	unsigned char akm_vol_bak[AK4XXX_IMAGE_SIZE];
584 
585 	/* init spdif */
586 	switch (ice->eeprom.subvendor) {
587 	case ICE1712_SUBDEVICE_AUDIOPHILE:
588 	case ICE1712_SUBDEVICE_DELTA410:
589 	case ICE1712_SUBDEVICE_DELTA1010E:
590 	case ICE1712_SUBDEVICE_DELTA1010LT:
591 	case ICE1712_SUBDEVICE_VX442:
592 	case ICE1712_SUBDEVICE_DELTA66E:
593 		snd_cs8427_init(ice->i2c, ice->cs8427);
594 		break;
595 	case ICE1712_SUBDEVICE_DELTA1010:
596 	case ICE1712_SUBDEVICE_MEDIASTATION:
597 		/* nothing */
598 		break;
599 	case ICE1712_SUBDEVICE_DELTADIO2496:
600 	case ICE1712_SUBDEVICE_DELTA66:
601 		/* Set spdif defaults */
602 		snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);
603 		break;
604 	}
605 
606 	/* init codec and restore registers */
607 	if (ice->akm_codecs) {
608 		memcpy(akm_img_bak, ice->akm->images, sizeof(akm_img_bak));
609 		memcpy(akm_vol_bak, ice->akm->volumes, sizeof(akm_vol_bak));
610 		snd_akm4xxx_init(ice->akm);
611 		memcpy(ice->akm->images, akm_img_bak, sizeof(akm_img_bak));
612 		memcpy(ice->akm->volumes, akm_vol_bak, sizeof(akm_vol_bak));
613 		snd_akm4xxx_reset(ice->akm, 0);
614 	}
615 
616 	return 0;
617 }
618 
619 static int snd_ice1712_delta_suspend(struct snd_ice1712 *ice)
620 {
621 	if (ice->akm_codecs) /* reset & mute codec */
622 		snd_akm4xxx_reset(ice->akm, 1);
623 
624 	return 0;
625 }
626 #endif
627 
628 static int snd_ice1712_delta_init(struct snd_ice1712 *ice)
629 {
630 	int err;
631 	struct snd_akm4xxx *ak;
632 	unsigned char tmp;
633 
634 	if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DELTA1010 &&
635 	    ice->eeprom.gpiodir == 0x7b)
636 		ice->eeprom.subvendor = ICE1712_SUBDEVICE_DELTA1010E;
637 
638 	if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DELTA66 &&
639 	    ice->eeprom.gpiodir == 0xfb)
640 	    	ice->eeprom.subvendor = ICE1712_SUBDEVICE_DELTA66E;
641 
642 	/* determine I2C, DACs and ADCs */
643 	switch (ice->eeprom.subvendor) {
644 	case ICE1712_SUBDEVICE_AUDIOPHILE:
645 		ice->num_total_dacs = 2;
646 		ice->num_total_adcs = 2;
647 		break;
648 	case ICE1712_SUBDEVICE_DELTA410:
649 		ice->num_total_dacs = 8;
650 		ice->num_total_adcs = 2;
651 		break;
652 	case ICE1712_SUBDEVICE_DELTA44:
653 	case ICE1712_SUBDEVICE_DELTA66:
654 		ice->num_total_dacs = ice->omni ? 8 : 4;
655 		ice->num_total_adcs = ice->omni ? 8 : 4;
656 		break;
657 	case ICE1712_SUBDEVICE_DELTA1010:
658 	case ICE1712_SUBDEVICE_DELTA1010E:
659 	case ICE1712_SUBDEVICE_DELTA1010LT:
660 	case ICE1712_SUBDEVICE_MEDIASTATION:
661 	case ICE1712_SUBDEVICE_EDIROLDA2496:
662 		ice->num_total_dacs = 8;
663 		ice->num_total_adcs = 8;
664 		break;
665 	case ICE1712_SUBDEVICE_DELTADIO2496:
666 		ice->num_total_dacs = 4;	/* two AK4324 codecs */
667 		break;
668 	case ICE1712_SUBDEVICE_VX442:
669 	case ICE1712_SUBDEVICE_DELTA66E:	/* omni not supported yet */
670 		ice->num_total_dacs = 4;
671 		ice->num_total_adcs = 4;
672 		break;
673 	}
674 #ifdef CONFIG_PM_SLEEP
675 	ice->pm_resume = snd_ice1712_delta_resume;
676 	ice->pm_suspend = snd_ice1712_delta_suspend;
677 	ice->pm_suspend_enabled = 1;
678 #endif
679 	/* initialize the SPI clock to high */
680 	tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
681 	tmp |= ICE1712_DELTA_AP_CCLK;
682 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
683 	udelay(5);
684 
685 	/* initialize spdif */
686 	switch (ice->eeprom.subvendor) {
687 	case ICE1712_SUBDEVICE_AUDIOPHILE:
688 	case ICE1712_SUBDEVICE_DELTA410:
689 	case ICE1712_SUBDEVICE_DELTA1010E:
690 	case ICE1712_SUBDEVICE_DELTA1010LT:
691 	case ICE1712_SUBDEVICE_VX442:
692 	case ICE1712_SUBDEVICE_DELTA66E:
693 		if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
694 			dev_err(ice->card->dev, "unable to create I2C bus\n");
695 			return err;
696 		}
697 		ice->i2c->private_data = ice;
698 		ice->i2c->ops = &ap_cs8427_i2c_ops;
699 		if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
700 			return err;
701 		break;
702 	case ICE1712_SUBDEVICE_DELTA1010:
703 	case ICE1712_SUBDEVICE_MEDIASTATION:
704 		ice->gpio.set_pro_rate = delta_1010_set_rate_val;
705 		break;
706 	case ICE1712_SUBDEVICE_DELTADIO2496:
707 		ice->gpio.set_pro_rate = delta_1010_set_rate_val;
708 		/* fall thru */
709 	case ICE1712_SUBDEVICE_DELTA66:
710 		ice->spdif.ops.open = delta_open_spdif;
711 		ice->spdif.ops.setup_rate = delta_setup_spdif;
712 		ice->spdif.ops.default_get = delta_spdif_default_get;
713 		ice->spdif.ops.default_put = delta_spdif_default_put;
714 		ice->spdif.ops.stream_get = delta_spdif_stream_get;
715 		ice->spdif.ops.stream_put = delta_spdif_stream_put;
716 		/* Set spdif defaults */
717 		snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);
718 		break;
719 	}
720 
721 	/* no analog? */
722 	switch (ice->eeprom.subvendor) {
723 	case ICE1712_SUBDEVICE_DELTA1010:
724 	case ICE1712_SUBDEVICE_DELTA1010E:
725 	case ICE1712_SUBDEVICE_DELTADIO2496:
726 	case ICE1712_SUBDEVICE_MEDIASTATION:
727 		return 0;
728 	}
729 
730 	/* second stage of initialization, analog parts and others */
731 	ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
732 	if (! ak)
733 		return -ENOMEM;
734 	ice->akm_codecs = 1;
735 
736 	switch (ice->eeprom.subvendor) {
737 	case ICE1712_SUBDEVICE_AUDIOPHILE:
738 		err = snd_ice1712_akm4xxx_init(ak, &akm_audiophile, &akm_audiophile_priv, ice);
739 		break;
740 	case ICE1712_SUBDEVICE_DELTA410:
741 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta410, &akm_delta410_priv, ice);
742 		break;
743 	case ICE1712_SUBDEVICE_DELTA1010LT:
744 	case ICE1712_SUBDEVICE_EDIROLDA2496:
745 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta1010lt, &akm_delta1010lt_priv, ice);
746 		break;
747 	case ICE1712_SUBDEVICE_DELTA66:
748 	case ICE1712_SUBDEVICE_DELTA44:
749 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice);
750 		break;
751 	case ICE1712_SUBDEVICE_VX442:
752 		err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice);
753 		break;
754 	case ICE1712_SUBDEVICE_DELTA66E:
755 		err = snd_ice1712_akm4xxx_init(ak, &akm_delta66e, &akm_delta66e_priv, ice);
756 		break;
757 	default:
758 		snd_BUG();
759 		return -EINVAL;
760 	}
761 
762 	return err;
763 }
764 
765 
766 /*
767  * additional controls for M-Audio cards
768  */
769 
770 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_select =
771 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0);
772 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_select =
773 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 0, 0);
774 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_status =
775 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);
776 static struct snd_kcontrol_new snd_ice1712_deltadio2496_spdif_in_select =
777 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, ICE1712_DELTA_SPDIF_INPUT_SELECT, 0, 0);
778 static struct snd_kcontrol_new snd_ice1712_delta_spdif_in_status =
779 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);
780 
781 
782 static int snd_ice1712_delta_add_controls(struct snd_ice1712 *ice)
783 {
784 	int err;
785 
786 	/* 1010 and dio specific controls */
787 	switch (ice->eeprom.subvendor) {
788 	case ICE1712_SUBDEVICE_DELTA1010:
789 	case ICE1712_SUBDEVICE_MEDIASTATION:
790 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_select, ice));
791 		if (err < 0)
792 			return err;
793 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_status, ice));
794 		if (err < 0)
795 			return err;
796 		break;
797 	case ICE1712_SUBDEVICE_DELTADIO2496:
798 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_deltadio2496_spdif_in_select, ice));
799 		if (err < 0)
800 			return err;
801 		break;
802 	case ICE1712_SUBDEVICE_DELTA1010E:
803 	case ICE1712_SUBDEVICE_DELTA1010LT:
804 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_select, ice));
805 		if (err < 0)
806 			return err;
807 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_status, ice));
808 		if (err < 0)
809 			return err;
810 		break;
811 	}
812 
813 	/* normal spdif controls */
814 	switch (ice->eeprom.subvendor) {
815 	case ICE1712_SUBDEVICE_DELTA1010:
816 	case ICE1712_SUBDEVICE_DELTADIO2496:
817 	case ICE1712_SUBDEVICE_DELTA66:
818 	case ICE1712_SUBDEVICE_MEDIASTATION:
819 		err = snd_ice1712_spdif_build_controls(ice);
820 		if (err < 0)
821 			return err;
822 		break;
823 	}
824 
825 	/* spdif status in */
826 	switch (ice->eeprom.subvendor) {
827 	case ICE1712_SUBDEVICE_DELTA1010:
828 	case ICE1712_SUBDEVICE_DELTADIO2496:
829 	case ICE1712_SUBDEVICE_DELTA66:
830 	case ICE1712_SUBDEVICE_MEDIASTATION:
831 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta_spdif_in_status, ice));
832 		if (err < 0)
833 			return err;
834 		break;
835 	}
836 
837 	/* ak4524 controls */
838 	switch (ice->eeprom.subvendor) {
839 	case ICE1712_SUBDEVICE_DELTA1010LT:
840 	case ICE1712_SUBDEVICE_AUDIOPHILE:
841 	case ICE1712_SUBDEVICE_DELTA410:
842 	case ICE1712_SUBDEVICE_DELTA44:
843 	case ICE1712_SUBDEVICE_DELTA66:
844 	case ICE1712_SUBDEVICE_VX442:
845 	case ICE1712_SUBDEVICE_DELTA66E:
846 	case ICE1712_SUBDEVICE_EDIROLDA2496:
847 		err = snd_ice1712_akm4xxx_build_controls(ice);
848 		if (err < 0)
849 			return err;
850 		break;
851 	}
852 
853 	return 0;
854 }
855 
856 
857 /* entry point */
858 struct snd_ice1712_card_info snd_ice1712_delta_cards[] = {
859 	{
860 		.subvendor = ICE1712_SUBDEVICE_DELTA1010,
861 		.name = "M Audio Delta 1010",
862 		.model = "delta1010",
863 		.chip_init = snd_ice1712_delta_init,
864 		.build_controls = snd_ice1712_delta_add_controls,
865 	},
866 	{
867 		.subvendor = ICE1712_SUBDEVICE_DELTADIO2496,
868 		.name = "M Audio Delta DiO 2496",
869 		.model = "dio2496",
870 		.chip_init = snd_ice1712_delta_init,
871 		.build_controls = snd_ice1712_delta_add_controls,
872 		.no_mpu401 = 1,
873 	},
874 	{
875 		.subvendor = ICE1712_SUBDEVICE_DELTA66,
876 		.name = "M Audio Delta 66",
877 		.model = "delta66",
878 		.chip_init = snd_ice1712_delta_init,
879 		.build_controls = snd_ice1712_delta_add_controls,
880 		.no_mpu401 = 1,
881 	},
882 	{
883 		.subvendor = ICE1712_SUBDEVICE_DELTA44,
884 		.name = "M Audio Delta 44",
885 		.model = "delta44",
886 		.chip_init = snd_ice1712_delta_init,
887 		.build_controls = snd_ice1712_delta_add_controls,
888 		.no_mpu401 = 1,
889 	},
890 	{
891 		.subvendor = ICE1712_SUBDEVICE_AUDIOPHILE,
892 		.name = "M Audio Audiophile 24/96",
893 		.model = "audiophile",
894 		.chip_init = snd_ice1712_delta_init,
895 		.build_controls = snd_ice1712_delta_add_controls,
896 	},
897 	{
898 		.subvendor = ICE1712_SUBDEVICE_DELTA410,
899 		.name = "M Audio Delta 410",
900 		.model = "delta410",
901 		.chip_init = snd_ice1712_delta_init,
902 		.build_controls = snd_ice1712_delta_add_controls,
903 	},
904 	{
905 		.subvendor = ICE1712_SUBDEVICE_DELTA1010LT,
906 		.name = "M Audio Delta 1010LT",
907 		.model = "delta1010lt",
908 		.chip_init = snd_ice1712_delta_init,
909 		.build_controls = snd_ice1712_delta_add_controls,
910 	},
911 	{
912 		.subvendor = ICE1712_SUBDEVICE_VX442,
913 		.name = "Digigram VX442",
914 		.model = "vx442",
915 		.chip_init = snd_ice1712_delta_init,
916 		.build_controls = snd_ice1712_delta_add_controls,
917 		.no_mpu401 = 1,
918 	},
919 	{
920 		.subvendor = ICE1712_SUBDEVICE_MEDIASTATION,
921 		.name = "Lionstracs Mediastation",
922 		.model = "mediastation",
923 		.chip_init = snd_ice1712_delta_init,
924 		.build_controls = snd_ice1712_delta_add_controls,
925 	},
926 	{
927 		.subvendor = ICE1712_SUBDEVICE_EDIROLDA2496,
928 		.name = "Edirol DA2496",
929 		.model = "da2496",
930 		.chip_init = snd_ice1712_delta_init,
931 		.build_controls = snd_ice1712_delta_add_controls,
932 	},
933 	{ } /* terminator */
934 };
935