xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision a1e58bbd)
1 /*
2  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
3  *                   VIA VT1720 (Envy24PT)
4  *
5  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
6  *                    2002 James Stafford <jstafford@ampltd.com>
7  *                    2003 Takashi Iwai <tiwai@suse.de>
8  *
9  *   This program is free software; you can redistribute it and/or modify
10  *   it under the terms of the GNU General Public License as published by
11  *   the Free Software Foundation; either version 2 of the License, or
12  *   (at your option) any later version.
13  *
14  *   This program is distributed in the hope that it will be useful,
15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *   GNU General Public License for more details.
18  *
19  *   You should have received a copy of the GNU General Public License
20  *   along with this program; if not, write to the Free Software
21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22  *
23  */
24 
25 #include <asm/io.h>
26 #include <linux/delay.h>
27 #include <linux/interrupt.h>
28 #include <linux/init.h>
29 #include <linux/pci.h>
30 #include <linux/slab.h>
31 #include <linux/moduleparam.h>
32 #include <linux/mutex.h>
33 #include <sound/core.h>
34 #include <sound/info.h>
35 #include <sound/mpu401.h>
36 #include <sound/initval.h>
37 
38 #include <sound/asoundef.h>
39 
40 #include "ice1712.h"
41 #include "envy24ht.h"
42 
43 /* lowlevel routines */
44 #include "amp.h"
45 #include "revo.h"
46 #include "aureon.h"
47 #include "vt1720_mobo.h"
48 #include "pontis.h"
49 #include "prodigy192.h"
50 #include "prodigy_hifi.h"
51 #include "juli.h"
52 #include "phase.h"
53 #include "wtm.h"
54 #include "se.h"
55 
56 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
57 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
58 MODULE_LICENSE("GPL");
59 MODULE_SUPPORTED_DEVICE("{"
60 	       REVO_DEVICE_DESC
61 	       AMP_AUDIO2000_DEVICE_DESC
62 	       AUREON_DEVICE_DESC
63 	       VT1720_MOBO_DEVICE_DESC
64 	       PONTIS_DEVICE_DESC
65 	       PRODIGY192_DEVICE_DESC
66 	       PRODIGY_HIFI_DEVICE_DESC
67 	       JULI_DEVICE_DESC
68 	       PHASE_DEVICE_DESC
69 	       WTM_DEVICE_DESC
70 	       SE_DEVICE_DESC
71 		"{VIA,VT1720},"
72 		"{VIA,VT1724},"
73 		"{ICEnsemble,Generic ICE1724},"
74 		"{ICEnsemble,Generic Envy24HT}"
75 		"{ICEnsemble,Generic Envy24PT}}");
76 
77 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
78 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
79 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
80 static char *model[SNDRV_CARDS];
81 
82 module_param_array(index, int, NULL, 0444);
83 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
84 module_param_array(id, charp, NULL, 0444);
85 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
86 module_param_array(enable, bool, NULL, 0444);
87 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
88 module_param_array(model, charp, NULL, 0444);
89 MODULE_PARM_DESC(model, "Use the given board model.");
90 
91 
92 /* Both VT1720 and VT1724 have the same PCI IDs */
93 static const struct pci_device_id snd_vt1724_ids[] = {
94 	{ PCI_VENDOR_ID_ICE, PCI_DEVICE_ID_VT1724, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
95 	{ 0, }
96 };
97 
98 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
99 
100 
101 static int PRO_RATE_LOCKED;
102 static int PRO_RATE_RESET = 1;
103 static unsigned int PRO_RATE_DEFAULT = 44100;
104 
105 /*
106  *  Basic I/O
107  */
108 
109 /* check whether the clock mode is spdif-in */
110 static inline int is_spdif_master(struct snd_ice1712 *ice)
111 {
112 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
113 }
114 
115 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
116 {
117 	return is_spdif_master(ice) || PRO_RATE_LOCKED;
118 }
119 
120 /*
121  * ac97 section
122  */
123 
124 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
125 {
126 	unsigned char old_cmd;
127 	int tm;
128 	for (tm = 0; tm < 0x10000; tm++) {
129 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
130 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
131 			continue;
132 		if (!(old_cmd & VT1724_AC97_READY))
133 			continue;
134 		return old_cmd;
135 	}
136 	snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
137 	return old_cmd;
138 }
139 
140 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
141 {
142 	int tm;
143 	for (tm = 0; tm < 0x10000; tm++)
144 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
145 			return 0;
146 	snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
147 	return -EIO;
148 }
149 
150 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
151 				  unsigned short reg,
152 				  unsigned short val)
153 {
154 	struct snd_ice1712 *ice = ac97->private_data;
155 	unsigned char old_cmd;
156 
157 	old_cmd = snd_vt1724_ac97_ready(ice);
158 	old_cmd &= ~VT1724_AC97_ID_MASK;
159 	old_cmd |= ac97->num;
160 	outb(reg, ICEMT1724(ice, AC97_INDEX));
161 	outw(val, ICEMT1724(ice, AC97_DATA));
162 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
163 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
164 }
165 
166 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
167 {
168 	struct snd_ice1712 *ice = ac97->private_data;
169 	unsigned char old_cmd;
170 
171 	old_cmd = snd_vt1724_ac97_ready(ice);
172 	old_cmd &= ~VT1724_AC97_ID_MASK;
173 	old_cmd |= ac97->num;
174 	outb(reg, ICEMT1724(ice, AC97_INDEX));
175 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
176 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
177 		return ~0;
178 	return inw(ICEMT1724(ice, AC97_DATA));
179 }
180 
181 
182 /*
183  * GPIO operations
184  */
185 
186 /* set gpio direction 0 = read, 1 = write */
187 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
188 {
189 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
190 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
191 }
192 
193 /* set the gpio mask (0 = writable) */
194 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
195 {
196 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
197 	if (! ice->vt1720) /* VT1720 supports only 16 GPIO bits */
198 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
199 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
200 }
201 
202 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
203 {
204 	outw(data, ICEREG1724(ice, GPIO_DATA));
205 	if (! ice->vt1720)
206 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
207 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
208 }
209 
210 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
211 {
212 	unsigned int data;
213 	if (! ice->vt1720)
214 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
215 	else
216 		data = 0;
217 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
218 	return data;
219 }
220 
221 /*
222  *  Interrupt handler
223  */
224 
225 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
226 {
227 	struct snd_ice1712 *ice = dev_id;
228 	unsigned char status;
229 	int handled = 0;
230 
231 	while (1) {
232 		status = inb(ICEREG1724(ice, IRQSTAT));
233 		if (status == 0)
234 			break;
235 
236 		handled = 1;
237 		/* these should probably be separated at some point,
238 		 * but as we don't currently have MPU support on the board
239 		 * I will leave it
240 		 */
241 		if ((status & VT1724_IRQ_MPU_RX)||(status & VT1724_IRQ_MPU_TX)) {
242 			if (ice->rmidi[0])
243 				snd_mpu401_uart_interrupt(irq, ice->rmidi[0]->private_data);
244 			outb(status & (VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX), ICEREG1724(ice, IRQSTAT));
245 			status &= ~(VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX);
246 		}
247 		if (status & VT1724_IRQ_MTPCM) {
248 			/*
249 			 * Multi-track PCM
250 			 * PCM assignment are:
251 			 * Playback DMA0 (M/C) = playback_pro_substream
252 			 * Playback DMA1 = playback_con_substream_ds[0]
253 			 * Playback DMA2 = playback_con_substream_ds[1]
254 			 * Playback DMA3 = playback_con_substream_ds[2]
255 			 * Playback DMA4 (SPDIF) = playback_con_substream
256 			 * Record DMA0 = capture_pro_substream
257 			 * Record DMA1 = capture_con_substream
258 			 */
259 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
260 			if (mtstat & VT1724_MULTI_PDMA0) {
261 				if (ice->playback_pro_substream)
262 					snd_pcm_period_elapsed(ice->playback_pro_substream);
263 			}
264 			if (mtstat & VT1724_MULTI_RDMA0) {
265 				if (ice->capture_pro_substream)
266 					snd_pcm_period_elapsed(ice->capture_pro_substream);
267 			}
268 			if (mtstat & VT1724_MULTI_PDMA1) {
269 				if (ice->playback_con_substream_ds[0])
270 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
271 			}
272 			if (mtstat & VT1724_MULTI_PDMA2) {
273 				if (ice->playback_con_substream_ds[1])
274 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
275 			}
276 			if (mtstat & VT1724_MULTI_PDMA3) {
277 				if (ice->playback_con_substream_ds[2])
278 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
279 			}
280 			if (mtstat & VT1724_MULTI_PDMA4) {
281 				if (ice->playback_con_substream)
282 					snd_pcm_period_elapsed(ice->playback_con_substream);
283 			}
284 			if (mtstat & VT1724_MULTI_RDMA1) {
285 				if (ice->capture_con_substream)
286 					snd_pcm_period_elapsed(ice->capture_con_substream);
287 			}
288 			/* ack anyway to avoid freeze */
289 			outb(mtstat, ICEMT1724(ice, IRQ));
290 			/* ought to really handle this properly */
291 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
292 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
293 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
294 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
295 				/* If I don't do this, I get machine lockup due to continual interrupts */
296 			}
297 
298 		}
299 	}
300 	return IRQ_RETVAL(handled);
301 }
302 
303 /*
304  *  PCM code - professional part (multitrack)
305  */
306 
307 static unsigned int rates[] = {
308 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
309 	32000, 44100, 48000, 64000, 88200, 96000,
310 	176400, 192000,
311 };
312 
313 static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
314 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
315 	.list = rates,
316 	.mask = 0,
317 };
318 
319 static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
320 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
321 	.list = rates,
322 	.mask = 0,
323 };
324 
325 static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
326 	.count = ARRAY_SIZE(rates),
327 	.list = rates,
328 	.mask = 0,
329 };
330 
331 struct vt1724_pcm_reg {
332 	unsigned int addr;	/* ADDR register offset */
333 	unsigned int size;	/* SIZE register offset */
334 	unsigned int count;	/* COUNT register offset */
335 	unsigned int start;	/* start & pause bit */
336 };
337 
338 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
339 {
340 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
341 	unsigned char what;
342 	unsigned char old;
343 	struct snd_pcm_substream *s;
344 
345 	what = 0;
346 	snd_pcm_group_for_each_entry(s, substream) {
347 		if (snd_pcm_substream_chip(s) == ice) {
348 			const struct vt1724_pcm_reg *reg;
349 			reg = s->runtime->private_data;
350 			what |= reg->start;
351 			snd_pcm_trigger_done(s, substream);
352 		}
353 	}
354 
355 	switch (cmd) {
356 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
357 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
358 		spin_lock(&ice->reg_lock);
359 		old = inb(ICEMT1724(ice, DMA_PAUSE));
360 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
361 			old |= what;
362 		else
363 			old &= ~what;
364 		outb(old, ICEMT1724(ice, DMA_PAUSE));
365 		spin_unlock(&ice->reg_lock);
366 		break;
367 
368 	case SNDRV_PCM_TRIGGER_START:
369 	case SNDRV_PCM_TRIGGER_STOP:
370 		spin_lock(&ice->reg_lock);
371 		old = inb(ICEMT1724(ice, DMA_CONTROL));
372 		if (cmd == SNDRV_PCM_TRIGGER_START)
373 			old |= what;
374 		else
375 			old &= ~what;
376 		outb(old, ICEMT1724(ice, DMA_CONTROL));
377 		spin_unlock(&ice->reg_lock);
378 		break;
379 
380 	default:
381 		return -EINVAL;
382 	}
383 	return 0;
384 }
385 
386 /*
387  */
388 
389 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
390 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
391 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
392 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
393 
394 static int get_max_rate(struct snd_ice1712 *ice)
395 {
396 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
397 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
398 			return 192000;
399 		else
400 			return 96000;
401 	} else
402 		return 48000;
403 }
404 
405 static void snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
406 				    int force)
407 {
408 	unsigned long flags;
409 	unsigned char val, old;
410 	unsigned int i, mclk_change;
411 
412 	if (rate > get_max_rate(ice))
413 		return;
414 
415 	switch (rate) {
416 	case 8000: val = 6; break;
417 	case 9600: val = 3; break;
418 	case 11025: val = 10; break;
419 	case 12000: val = 2; break;
420 	case 16000: val = 5; break;
421 	case 22050: val = 9; break;
422 	case 24000: val = 1; break;
423 	case 32000: val = 4; break;
424 	case 44100: val = 8; break;
425 	case 48000: val = 0; break;
426 	case 64000: val = 15; break;
427 	case 88200: val = 11; break;
428 	case 96000: val = 7; break;
429 	case 176400: val = 12; break;
430 	case 192000: val = 14; break;
431 	default:
432 		snd_BUG();
433 		val = 0;
434 		break;
435 	}
436 
437 	spin_lock_irqsave(&ice->reg_lock, flags);
438 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
439 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
440 		/* running? we cannot change the rate now... */
441 		spin_unlock_irqrestore(&ice->reg_lock, flags);
442 		return;
443 	}
444 	if (!force && is_pro_rate_locked(ice)) {
445 		spin_unlock_irqrestore(&ice->reg_lock, flags);
446 		return;
447 	}
448 
449 	old = inb(ICEMT1724(ice, RATE));
450 	if (force || old != val)
451 		outb(val, ICEMT1724(ice, RATE));
452 	else if (rate == ice->cur_rate) {
453 		spin_unlock_irqrestore(&ice->reg_lock, flags);
454 		return;
455 	}
456 
457 	ice->cur_rate = rate;
458 
459 	/* check MT02 */
460 	mclk_change = 0;
461 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
462 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
463 		if (rate > 96000)
464 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
465 		else
466 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
467 		if (val != old) {
468 			outb(val, ICEMT1724(ice, I2S_FORMAT));
469 			mclk_change = 1;
470 		}
471 	}
472 	spin_unlock_irqrestore(&ice->reg_lock, flags);
473 
474 	if (mclk_change && ice->gpio.i2s_mclk_changed)
475 		ice->gpio.i2s_mclk_changed(ice);
476 	if (ice->gpio.set_pro_rate)
477 		ice->gpio.set_pro_rate(ice, rate);
478 
479 	/* set up codecs */
480 	for (i = 0; i < ice->akm_codecs; i++) {
481 		if (ice->akm[i].ops.set_rate_val)
482 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
483 	}
484 	if (ice->spdif.ops.setup_rate)
485 		ice->spdif.ops.setup_rate(ice, rate);
486 }
487 
488 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
489 				    struct snd_pcm_hw_params *hw_params)
490 {
491 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
492 	int i, chs;
493 
494 	chs = params_channels(hw_params);
495 	mutex_lock(&ice->open_mutex);
496 	/* mark surround channels */
497 	if (substream == ice->playback_pro_substream) {
498 		/* PDMA0 can be multi-channel up to 8 */
499 		chs = chs / 2 - 1;
500 		for (i = 0; i < chs; i++) {
501 			if (ice->pcm_reserved[i] &&
502 			    ice->pcm_reserved[i] != substream) {
503 				mutex_unlock(&ice->open_mutex);
504 				return -EBUSY;
505 			}
506 			ice->pcm_reserved[i] = substream;
507 		}
508 		for (; i < 3; i++) {
509 			if (ice->pcm_reserved[i] == substream)
510 				ice->pcm_reserved[i] = NULL;
511 		}
512 	} else {
513 		for (i = 0; i < 3; i++) {
514 			/* check individual playback stream */
515 			if (ice->playback_con_substream_ds[i] == substream) {
516 				if (ice->pcm_reserved[i] &&
517 				    ice->pcm_reserved[i] != substream) {
518 					mutex_unlock(&ice->open_mutex);
519 					return -EBUSY;
520 				}
521 				ice->pcm_reserved[i] = substream;
522 				break;
523 			}
524 		}
525 	}
526 	mutex_unlock(&ice->open_mutex);
527 	snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
528 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
529 }
530 
531 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
532 {
533 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
534 	int i;
535 
536 	mutex_lock(&ice->open_mutex);
537 	/* unmark surround channels */
538 	for (i = 0; i < 3; i++)
539 		if (ice->pcm_reserved[i] == substream)
540 			ice->pcm_reserved[i] = NULL;
541 	mutex_unlock(&ice->open_mutex);
542 	return snd_pcm_lib_free_pages(substream);
543 }
544 
545 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
546 {
547 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
548 	unsigned char val;
549 	unsigned int size;
550 
551 	spin_lock_irq(&ice->reg_lock);
552 	val = (8 - substream->runtime->channels) >> 1;
553 	outb(val, ICEMT1724(ice, BURST));
554 
555 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
556 
557 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
558 	// outl(size, ICEMT1724(ice, PLAYBACK_SIZE));
559 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
560 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
561 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
562 	// outl(size, ICEMT1724(ice, PLAYBACK_COUNT));
563 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
564 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
565 
566 	spin_unlock_irq(&ice->reg_lock);
567 
568 	// printk("pro prepare: ch = %d, addr = 0x%x, buffer = 0x%x, period = 0x%x\n", substream->runtime->channels, (unsigned int)substream->runtime->dma_addr, snd_pcm_lib_buffer_bytes(substream), snd_pcm_lib_period_bytes(substream));
569 	return 0;
570 }
571 
572 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
573 {
574 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
575 	size_t ptr;
576 
577 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
578 		return 0;
579 #if 0 /* read PLAYBACK_ADDR */
580 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
581 	if (ptr < substream->runtime->dma_addr) {
582 		snd_printd("ice1724: invalid negative ptr\n");
583 		return 0;
584 	}
585 	ptr -= substream->runtime->dma_addr;
586 	ptr = bytes_to_frames(substream->runtime, ptr);
587 	if (ptr >= substream->runtime->buffer_size) {
588 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
589 			   (int)ptr, (int)substream->runtime->period_size);
590 		return 0;
591 	}
592 #else /* read PLAYBACK_SIZE */
593 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
594 	ptr = (ptr + 1) << 2;
595 	ptr = bytes_to_frames(substream->runtime, ptr);
596 	if (! ptr)
597 		;
598 	else if (ptr <= substream->runtime->buffer_size)
599 		ptr = substream->runtime->buffer_size - ptr;
600 	else {
601 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
602 			   (int)ptr, (int)substream->runtime->buffer_size);
603 		ptr = 0;
604 	}
605 #endif
606 	return ptr;
607 }
608 
609 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
610 {
611 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
612 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
613 
614 	spin_lock_irq(&ice->reg_lock);
615 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
616 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
617 	     ice->profi_port + reg->size);
618 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
619 	     ice->profi_port + reg->count);
620 	spin_unlock_irq(&ice->reg_lock);
621 	return 0;
622 }
623 
624 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
625 {
626 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
627 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
628 	size_t ptr;
629 
630 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
631 		return 0;
632 #if 0 /* use ADDR register */
633 	ptr = inl(ice->profi_port + reg->addr);
634 	ptr -= substream->runtime->dma_addr;
635 	return bytes_to_frames(substream->runtime, ptr);
636 #else /* use SIZE register */
637 	ptr = inw(ice->profi_port + reg->size);
638 	ptr = (ptr + 1) << 2;
639 	ptr = bytes_to_frames(substream->runtime, ptr);
640 	if (! ptr)
641 		;
642 	else if (ptr <= substream->runtime->buffer_size)
643 		ptr = substream->runtime->buffer_size - ptr;
644 	else {
645 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
646 			   (int)ptr, (int)substream->runtime->buffer_size);
647 		ptr = 0;
648 	}
649 	return ptr;
650 #endif
651 }
652 
653 static const struct vt1724_pcm_reg vt1724_playback_pro_reg = {
654 	.addr = VT1724_MT_PLAYBACK_ADDR,
655 	.size = VT1724_MT_PLAYBACK_SIZE,
656 	.count = VT1724_MT_PLAYBACK_COUNT,
657 	.start = VT1724_PDMA0_START,
658 };
659 
660 static const struct vt1724_pcm_reg vt1724_capture_pro_reg = {
661 	.addr = VT1724_MT_CAPTURE_ADDR,
662 	.size = VT1724_MT_CAPTURE_SIZE,
663 	.count = VT1724_MT_CAPTURE_COUNT,
664 	.start = VT1724_RDMA0_START,
665 };
666 
667 static const struct snd_pcm_hardware snd_vt1724_playback_pro =
668 {
669 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
670 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
671 				 SNDRV_PCM_INFO_MMAP_VALID |
672 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
673 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
674 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
675 	.rate_min =		8000,
676 	.rate_max =		192000,
677 	.channels_min =		2,
678 	.channels_max =		8,
679 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
680 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
681 	.period_bytes_max =	(1UL << 21),
682 	.periods_min =		2,
683 	.periods_max =		1024,
684 };
685 
686 static const struct snd_pcm_hardware snd_vt1724_spdif =
687 {
688 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
689 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
690 				 SNDRV_PCM_INFO_MMAP_VALID |
691 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
692 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
693 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
694 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
695 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
696 				 SNDRV_PCM_RATE_192000),
697 	.rate_min =		32000,
698 	.rate_max =		192000,
699 	.channels_min =		2,
700 	.channels_max =		2,
701 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
702 	.period_bytes_min =	2 * 4 * 2,
703 	.period_bytes_max =	(1UL << 18),
704 	.periods_min =		2,
705 	.periods_max =		1024,
706 };
707 
708 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo =
709 {
710 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
711 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
712 				 SNDRV_PCM_INFO_MMAP_VALID |
713 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
714 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
715 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
716 	.rate_min =		8000,
717 	.rate_max =		192000,
718 	.channels_min =		2,
719 	.channels_max =		2,
720 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
721 	.period_bytes_min =	2 * 4 * 2,
722 	.period_bytes_max =	(1UL << 18),
723 	.periods_min =		2,
724 	.periods_max =		1024,
725 };
726 
727 /*
728  * set rate constraints
729  */
730 static int set_rate_constraints(struct snd_ice1712 *ice,
731 				struct snd_pcm_substream *substream)
732 {
733 	struct snd_pcm_runtime *runtime = substream->runtime;
734 	if (ice->hw_rates) {
735 		/* hardware specific */
736 		runtime->hw.rate_min = ice->hw_rates->list[0];
737 		runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
738 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
739 		return snd_pcm_hw_constraint_list(runtime, 0,
740 						  SNDRV_PCM_HW_PARAM_RATE,
741 						  ice->hw_rates);
742 	}
743 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
744 		/* I2S */
745 		/* VT1720 doesn't support more than 96kHz */
746 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
747 			return snd_pcm_hw_constraint_list(runtime, 0,
748 							  SNDRV_PCM_HW_PARAM_RATE,
749 							  &hw_constraints_rates_192);
750 		else {
751 			runtime->hw.rates = SNDRV_PCM_RATE_KNOT |
752 				SNDRV_PCM_RATE_8000_96000;
753 			runtime->hw.rate_max = 96000;
754 			return snd_pcm_hw_constraint_list(runtime, 0,
755 							  SNDRV_PCM_HW_PARAM_RATE,
756 							  &hw_constraints_rates_96);
757 		}
758 	} else if (ice->ac97) {
759 		/* ACLINK */
760 		runtime->hw.rate_max = 48000;
761 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000;
762 		return snd_pcm_hw_constraint_list(runtime, 0,
763 						  SNDRV_PCM_HW_PARAM_RATE,
764 						  &hw_constraints_rates_48);
765 	}
766 	return 0;
767 }
768 
769 /* multi-channel playback needs alignment 8x32bit regardless of the channels
770  * actually used
771  */
772 #define VT1724_BUFFER_ALIGN	0x20
773 
774 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
775 {
776 	struct snd_pcm_runtime *runtime = substream->runtime;
777 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
778 	int chs;
779 
780 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
781 	ice->playback_pro_substream = substream;
782 	runtime->hw = snd_vt1724_playback_pro;
783 	snd_pcm_set_sync(substream);
784 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
785 	set_rate_constraints(ice, substream);
786 	mutex_lock(&ice->open_mutex);
787 	/* calculate the currently available channels */
788 	for (chs = 0; chs < 3; chs++) {
789 		if (ice->pcm_reserved[chs])
790 			break;
791 	}
792 	chs = (chs + 1) * 2;
793 	runtime->hw.channels_max = chs;
794 	if (chs > 2) /* channels must be even */
795 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
796 	mutex_unlock(&ice->open_mutex);
797 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
798 				   VT1724_BUFFER_ALIGN);
799 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
800 				   VT1724_BUFFER_ALIGN);
801 	return 0;
802 }
803 
804 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
805 {
806 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
807 	struct snd_pcm_runtime *runtime = substream->runtime;
808 
809 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
810 	ice->capture_pro_substream = substream;
811 	runtime->hw = snd_vt1724_2ch_stereo;
812 	snd_pcm_set_sync(substream);
813 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
814 	set_rate_constraints(ice, substream);
815 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
816 				   VT1724_BUFFER_ALIGN);
817 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
818 				   VT1724_BUFFER_ALIGN);
819 	return 0;
820 }
821 
822 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
823 {
824 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
825 
826 	if (PRO_RATE_RESET)
827 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
828 	ice->playback_pro_substream = NULL;
829 
830 	return 0;
831 }
832 
833 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
834 {
835 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
836 
837 	if (PRO_RATE_RESET)
838 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
839 	ice->capture_pro_substream = NULL;
840 	return 0;
841 }
842 
843 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
844 	.open =		snd_vt1724_playback_pro_open,
845 	.close =	snd_vt1724_playback_pro_close,
846 	.ioctl =	snd_pcm_lib_ioctl,
847 	.hw_params =	snd_vt1724_pcm_hw_params,
848 	.hw_free =	snd_vt1724_pcm_hw_free,
849 	.prepare =	snd_vt1724_playback_pro_prepare,
850 	.trigger =	snd_vt1724_pcm_trigger,
851 	.pointer =	snd_vt1724_playback_pro_pointer,
852 };
853 
854 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
855 	.open =		snd_vt1724_capture_pro_open,
856 	.close =	snd_vt1724_capture_pro_close,
857 	.ioctl =	snd_pcm_lib_ioctl,
858 	.hw_params =	snd_vt1724_pcm_hw_params,
859 	.hw_free =	snd_vt1724_pcm_hw_free,
860 	.prepare =	snd_vt1724_pcm_prepare,
861 	.trigger =	snd_vt1724_pcm_trigger,
862 	.pointer =	snd_vt1724_pcm_pointer,
863 };
864 
865 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 * ice, int device)
866 {
867 	struct snd_pcm *pcm;
868 	int err;
869 
870 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
871 	if (err < 0)
872 		return err;
873 
874 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
875 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
876 
877 	pcm->private_data = ice;
878 	pcm->info_flags = 0;
879 	strcpy(pcm->name, "ICE1724");
880 
881 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
882 					      snd_dma_pci_data(ice->pci),
883 					      256*1024, 256*1024);
884 
885 	ice->pcm_pro = pcm;
886 
887 	return 0;
888 }
889 
890 
891 /*
892  * SPDIF PCM
893  */
894 
895 static const struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
896 	.addr = VT1724_MT_PDMA4_ADDR,
897 	.size = VT1724_MT_PDMA4_SIZE,
898 	.count = VT1724_MT_PDMA4_COUNT,
899 	.start = VT1724_PDMA4_START,
900 };
901 
902 static const struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
903 	.addr = VT1724_MT_RDMA1_ADDR,
904 	.size = VT1724_MT_RDMA1_SIZE,
905 	.count = VT1724_MT_RDMA1_COUNT,
906 	.start = VT1724_RDMA1_START,
907 };
908 
909 /* update spdif control bits; call with reg_lock */
910 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
911 {
912 	unsigned char cbit, disabled;
913 
914 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
915 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
916 	if (cbit != disabled)
917 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
918 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
919 	if (cbit != disabled)
920 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
921 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
922 }
923 
924 /* update SPDIF control bits according to the given rate */
925 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
926 {
927 	unsigned int val, nval;
928 	unsigned long flags;
929 
930 	spin_lock_irqsave(&ice->reg_lock, flags);
931 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
932 	nval &= ~(7 << 12);
933 	switch (rate) {
934 	case 44100: break;
935 	case 48000: nval |= 2 << 12; break;
936 	case 32000: nval |= 3 << 12; break;
937 	case 88200: nval |= 4 << 12; break;
938 	case 96000: nval |= 5 << 12; break;
939 	case 192000: nval |= 6 << 12; break;
940 	case 176400: nval |= 7 << 12; break;
941 	}
942 	if (val != nval)
943 		update_spdif_bits(ice, nval);
944 	spin_unlock_irqrestore(&ice->reg_lock, flags);
945 }
946 
947 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
948 {
949 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
950 	if (! ice->force_pdma4)
951 		update_spdif_rate(ice, substream->runtime->rate);
952 	return snd_vt1724_pcm_prepare(substream);
953 }
954 
955 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
956 {
957 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
958 	struct snd_pcm_runtime *runtime = substream->runtime;
959 
960 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
961 	ice->playback_con_substream = substream;
962 	if (ice->force_pdma4) {
963 		runtime->hw = snd_vt1724_2ch_stereo;
964 		set_rate_constraints(ice, substream);
965 	} else
966 		runtime->hw = snd_vt1724_spdif;
967 	snd_pcm_set_sync(substream);
968 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
969 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
970 				   VT1724_BUFFER_ALIGN);
971 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
972 				   VT1724_BUFFER_ALIGN);
973 	return 0;
974 }
975 
976 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
977 {
978 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
979 
980 	if (PRO_RATE_RESET)
981 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
982 	ice->playback_con_substream = NULL;
983 
984 	return 0;
985 }
986 
987 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
988 {
989 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
990 	struct snd_pcm_runtime *runtime = substream->runtime;
991 
992 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
993 	ice->capture_con_substream = substream;
994 	if (ice->force_rdma1) {
995 		runtime->hw = snd_vt1724_2ch_stereo;
996 		set_rate_constraints(ice, substream);
997 	} else
998 		runtime->hw = snd_vt1724_spdif;
999 	snd_pcm_set_sync(substream);
1000 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1001 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1002 				   VT1724_BUFFER_ALIGN);
1003 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1004 				   VT1724_BUFFER_ALIGN);
1005 	return 0;
1006 }
1007 
1008 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1009 {
1010 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1011 
1012 	if (PRO_RATE_RESET)
1013 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1014 	ice->capture_con_substream = NULL;
1015 
1016 	return 0;
1017 }
1018 
1019 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1020 	.open =		snd_vt1724_playback_spdif_open,
1021 	.close =	snd_vt1724_playback_spdif_close,
1022 	.ioctl =	snd_pcm_lib_ioctl,
1023 	.hw_params =	snd_vt1724_pcm_hw_params,
1024 	.hw_free =	snd_vt1724_pcm_hw_free,
1025 	.prepare =	snd_vt1724_playback_spdif_prepare,
1026 	.trigger =	snd_vt1724_pcm_trigger,
1027 	.pointer =	snd_vt1724_pcm_pointer,
1028 };
1029 
1030 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1031 	.open =		snd_vt1724_capture_spdif_open,
1032 	.close =	snd_vt1724_capture_spdif_close,
1033 	.ioctl =	snd_pcm_lib_ioctl,
1034 	.hw_params =	snd_vt1724_pcm_hw_params,
1035 	.hw_free =	snd_vt1724_pcm_hw_free,
1036 	.prepare =	snd_vt1724_pcm_prepare,
1037 	.trigger =	snd_vt1724_pcm_trigger,
1038 	.pointer =	snd_vt1724_pcm_pointer,
1039 };
1040 
1041 
1042 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 * ice, int device)
1043 {
1044 	char *name;
1045 	struct snd_pcm *pcm;
1046 	int play, capt;
1047 	int err;
1048 
1049 	if (ice->force_pdma4 ||
1050 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1051 		play = 1;
1052 		ice->has_spdif = 1;
1053 	} else
1054 		play = 0;
1055 	if (ice->force_rdma1 ||
1056 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1057 		capt = 1;
1058 		ice->has_spdif = 1;
1059 	} else
1060 		capt = 0;
1061 	if (! play && ! capt)
1062 		return 0; /* no spdif device */
1063 
1064 	if (ice->force_pdma4 || ice->force_rdma1)
1065 		name = "ICE1724 Secondary";
1066 	else
1067 		name = "IEC1724 IEC958";
1068 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1069 	if (err < 0)
1070 		return err;
1071 
1072 	if (play)
1073 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1074 				&snd_vt1724_playback_spdif_ops);
1075 	if (capt)
1076 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1077 				&snd_vt1724_capture_spdif_ops);
1078 
1079 	pcm->private_data = ice;
1080 	pcm->info_flags = 0;
1081 	strcpy(pcm->name, name);
1082 
1083 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1084 					      snd_dma_pci_data(ice->pci),
1085 					      64*1024, 64*1024);
1086 
1087 	ice->pcm = pcm;
1088 
1089 	return 0;
1090 }
1091 
1092 
1093 /*
1094  * independent surround PCMs
1095  */
1096 
1097 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1098 	{
1099 		.addr = VT1724_MT_PDMA1_ADDR,
1100 		.size = VT1724_MT_PDMA1_SIZE,
1101 		.count = VT1724_MT_PDMA1_COUNT,
1102 		.start = VT1724_PDMA1_START,
1103 	},
1104 	{
1105 		.addr = VT1724_MT_PDMA2_ADDR,
1106 		.size = VT1724_MT_PDMA2_SIZE,
1107 		.count = VT1724_MT_PDMA2_COUNT,
1108 		.start = VT1724_PDMA2_START,
1109 	},
1110 	{
1111 		.addr = VT1724_MT_PDMA3_ADDR,
1112 		.size = VT1724_MT_PDMA3_SIZE,
1113 		.count = VT1724_MT_PDMA3_COUNT,
1114 		.start = VT1724_PDMA3_START,
1115 	},
1116 };
1117 
1118 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1119 {
1120 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1121 	unsigned char val;
1122 
1123 	spin_lock_irq(&ice->reg_lock);
1124 	val = 3 - substream->number;
1125 	if (inb(ICEMT1724(ice, BURST)) < val)
1126 		outb(val, ICEMT1724(ice, BURST));
1127 	spin_unlock_irq(&ice->reg_lock);
1128 	return snd_vt1724_pcm_prepare(substream);
1129 }
1130 
1131 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1132 {
1133 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1134 	struct snd_pcm_runtime *runtime = substream->runtime;
1135 
1136 	mutex_lock(&ice->open_mutex);
1137 	/* already used by PDMA0? */
1138 	if (ice->pcm_reserved[substream->number]) {
1139 		mutex_unlock(&ice->open_mutex);
1140 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1141 	}
1142 	mutex_unlock(&ice->open_mutex);
1143 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1144 	ice->playback_con_substream_ds[substream->number] = substream;
1145 	runtime->hw = snd_vt1724_2ch_stereo;
1146 	snd_pcm_set_sync(substream);
1147 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1148 	set_rate_constraints(ice, substream);
1149 	return 0;
1150 }
1151 
1152 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1153 {
1154 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1155 
1156 	if (PRO_RATE_RESET)
1157 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1158 	ice->playback_con_substream_ds[substream->number] = NULL;
1159 	ice->pcm_reserved[substream->number] = NULL;
1160 
1161 	return 0;
1162 }
1163 
1164 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1165 	.open =		snd_vt1724_playback_indep_open,
1166 	.close =	snd_vt1724_playback_indep_close,
1167 	.ioctl =	snd_pcm_lib_ioctl,
1168 	.hw_params =	snd_vt1724_pcm_hw_params,
1169 	.hw_free =	snd_vt1724_pcm_hw_free,
1170 	.prepare =	snd_vt1724_playback_indep_prepare,
1171 	.trigger =	snd_vt1724_pcm_trigger,
1172 	.pointer =	snd_vt1724_pcm_pointer,
1173 };
1174 
1175 
1176 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 * ice, int device)
1177 {
1178 	struct snd_pcm *pcm;
1179 	int play;
1180 	int err;
1181 
1182 	play = ice->num_total_dacs / 2 - 1;
1183 	if (play <= 0)
1184 		return 0;
1185 
1186 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1187 	if (err < 0)
1188 		return err;
1189 
1190 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1191 			&snd_vt1724_playback_indep_ops);
1192 
1193 	pcm->private_data = ice;
1194 	pcm->info_flags = 0;
1195 	strcpy(pcm->name, "ICE1724 Surround PCM");
1196 
1197 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1198 					      snd_dma_pci_data(ice->pci),
1199 					      64*1024, 64*1024);
1200 
1201 	ice->pcm_ds = pcm;
1202 
1203 	return 0;
1204 }
1205 
1206 
1207 /*
1208  *  Mixer section
1209  */
1210 
1211 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 * ice)
1212 {
1213 	int err;
1214 
1215 	if (! (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1216 		struct snd_ac97_bus *pbus;
1217 		struct snd_ac97_template ac97;
1218 		static struct snd_ac97_bus_ops ops = {
1219 			.write = snd_vt1724_ac97_write,
1220 			.read = snd_vt1724_ac97_read,
1221 		};
1222 
1223 		/* cold reset */
1224 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1225 		mdelay(5); /* FIXME */
1226 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1227 
1228 		if ((err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus)) < 0)
1229 			return err;
1230 		memset(&ac97, 0, sizeof(ac97));
1231 		ac97.private_data = ice;
1232 		if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0)
1233 			printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1234 		else
1235 			return 0;
1236 	}
1237 	/* I2S mixer only */
1238 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1239 	return 0;
1240 }
1241 
1242 /*
1243  *
1244  */
1245 
1246 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1247 {
1248 	return (unsigned int)ice->eeprom.data[idx] | \
1249 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1250 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1251 }
1252 
1253 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1254 				 struct snd_info_buffer *buffer)
1255 {
1256 	struct snd_ice1712 *ice = entry->private_data;
1257 	unsigned int idx;
1258 
1259 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1260 	snd_iprintf(buffer, "EEPROM:\n");
1261 
1262 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1263 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1264 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1265 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1266 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1267 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1268 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1269 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1270 		    ice->eeprom.data[ICE_EEP2_I2S]);
1271 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1272 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1273 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1274 		    ice->eeprom.gpiodir);
1275 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1276 		    ice->eeprom.gpiomask);
1277 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1278 		    ice->eeprom.gpiostate);
1279 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1280 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1281 			    idx, ice->eeprom.data[idx]);
1282 
1283 	snd_iprintf(buffer, "\nRegisters:\n");
1284 
1285 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1286 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1287 	for (idx = 0x0; idx < 0x20 ; idx++)
1288 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1289 			    idx, inb(ice->port+idx));
1290 	for (idx = 0x0; idx < 0x30 ; idx++)
1291 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1292 			    idx, inb(ice->profi_port+idx));
1293 }
1294 
1295 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 * ice)
1296 {
1297 	struct snd_info_entry *entry;
1298 
1299 	if (! snd_card_proc_new(ice->card, "ice1724", &entry))
1300 		snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1301 }
1302 
1303 /*
1304  *
1305  */
1306 
1307 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1308 				  struct snd_ctl_elem_info *uinfo)
1309 {
1310 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1311 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1312 	return 0;
1313 }
1314 
1315 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1316 				 struct snd_ctl_elem_value *ucontrol)
1317 {
1318 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1319 
1320 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1321 	return 0;
1322 }
1323 
1324 static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1325 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1326 	.name = "ICE1724 EEPROM",
1327 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1328 	.info = snd_vt1724_eeprom_info,
1329 	.get = snd_vt1724_eeprom_get
1330 };
1331 
1332 /*
1333  */
1334 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1335 				 struct snd_ctl_elem_info *uinfo)
1336 {
1337 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1338 	uinfo->count = 1;
1339 	return 0;
1340 }
1341 
1342 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1343 {
1344 	unsigned int val, rbits;
1345 
1346 	val = diga->status[0] & 0x03; /* professional, non-audio */
1347 	if (val & 0x01) {
1348 		/* professional */
1349 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1350 		    IEC958_AES0_PRO_EMPHASIS_5015)
1351 			val |= 1U << 3;
1352 		rbits = (diga->status[4] >> 3) & 0x0f;
1353 		if (rbits) {
1354 			switch (rbits) {
1355 			case 2: val |= 5 << 12; break; /* 96k */
1356 			case 3: val |= 6 << 12; break; /* 192k */
1357 			case 10: val |= 4 << 12; break; /* 88.2k */
1358 			case 11: val |= 7 << 12; break; /* 176.4k */
1359 			}
1360 		} else {
1361 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1362 			case IEC958_AES0_PRO_FS_44100:
1363 				break;
1364 			case IEC958_AES0_PRO_FS_32000:
1365 				val |= 3U << 12;
1366 				break;
1367 			default:
1368 				val |= 2U << 12;
1369 				break;
1370 			}
1371 		}
1372 	} else {
1373 		/* consumer */
1374 		val |= diga->status[1] & 0x04; /* copyright */
1375 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1376 		    IEC958_AES0_CON_EMPHASIS_5015)
1377 			val |= 1U << 3;
1378 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1379 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1380 	}
1381 	return val;
1382 }
1383 
1384 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1385 {
1386 	memset(diga->status, 0, sizeof(diga->status));
1387 	diga->status[0] = val & 0x03; /* professional, non-audio */
1388 	if (val & 0x01) {
1389 		/* professional */
1390 		if (val & (1U << 3))
1391 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1392 		switch ((val >> 12) & 0x7) {
1393 		case 0:
1394 			break;
1395 		case 2:
1396 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1397 			break;
1398 		default:
1399 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1400 			break;
1401 		}
1402 	} else {
1403 		/* consumer */
1404 		diga->status[0] |= val & (1U << 2); /* copyright */
1405 		if (val & (1U << 3))
1406 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1407 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1408 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1409 	}
1410 }
1411 
1412 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1413 					struct snd_ctl_elem_value *ucontrol)
1414 {
1415 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1416 	unsigned int val;
1417 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1418 	decode_spdif_bits(&ucontrol->value.iec958, val);
1419 	return 0;
1420 }
1421 
1422 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1423 					 struct snd_ctl_elem_value *ucontrol)
1424 {
1425 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1426 	unsigned int val, old;
1427 
1428 	val = encode_spdif_bits(&ucontrol->value.iec958);
1429 	spin_lock_irq(&ice->reg_lock);
1430 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1431 	if (val != old)
1432 		update_spdif_bits(ice, val);
1433 	spin_unlock_irq(&ice->reg_lock);
1434 	return (val != old);
1435 }
1436 
1437 static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1438 {
1439 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1440 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1441 	.info =		snd_vt1724_spdif_info,
1442 	.get =		snd_vt1724_spdif_default_get,
1443 	.put =		snd_vt1724_spdif_default_put
1444 };
1445 
1446 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1447 				       struct snd_ctl_elem_value *ucontrol)
1448 {
1449 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1450 						     IEC958_AES0_PROFESSIONAL |
1451 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1452 						     IEC958_AES0_CON_EMPHASIS;
1453 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1454 						     IEC958_AES1_CON_CATEGORY;
1455 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1456 	return 0;
1457 }
1458 
1459 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1460 				       struct snd_ctl_elem_value *ucontrol)
1461 {
1462 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1463 						     IEC958_AES0_PROFESSIONAL |
1464 						     IEC958_AES0_PRO_FS |
1465 						     IEC958_AES0_PRO_EMPHASIS;
1466 	return 0;
1467 }
1468 
1469 static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1470 {
1471 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1472 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1473 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1474 	.info =		snd_vt1724_spdif_info,
1475 	.get =		snd_vt1724_spdif_maskc_get,
1476 };
1477 
1478 static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1479 {
1480 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1481 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1482 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1483 	.info =		snd_vt1724_spdif_info,
1484 	.get =		snd_vt1724_spdif_maskp_get,
1485 };
1486 
1487 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1488 
1489 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1490 				   struct snd_ctl_elem_value *ucontrol)
1491 {
1492 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1493 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1494 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1495 	return 0;
1496 }
1497 
1498 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1499 				   struct snd_ctl_elem_value *ucontrol)
1500 {
1501 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1502 	unsigned char old, val;
1503 
1504 	spin_lock_irq(&ice->reg_lock);
1505 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1506 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1507 	if (ucontrol->value.integer.value[0])
1508 		val |= VT1724_CFG_SPDIF_OUT_EN;
1509 	if (old != val)
1510 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1511 	spin_unlock_irq(&ice->reg_lock);
1512 	return old != val;
1513 }
1514 
1515 static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1516 {
1517 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1518 	/* FIXME: the following conflict with IEC958 Playback Route */
1519 	// .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1520 	.name =         SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH),
1521 	.info =		snd_vt1724_spdif_sw_info,
1522 	.get =		snd_vt1724_spdif_sw_get,
1523 	.put =		snd_vt1724_spdif_sw_put
1524 };
1525 
1526 
1527 #if 0 /* NOT USED YET */
1528 /*
1529  * GPIO access from extern
1530  */
1531 
1532 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1533 
1534 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1535 			struct snd_ctl_elem_value *ucontrol)
1536 {
1537 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1538 	int shift = kcontrol->private_value & 0xff;
1539 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1540 
1541 	snd_ice1712_save_gpio_status(ice);
1542 	ucontrol->value.integer.value[0] =
1543 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1544 	snd_ice1712_restore_gpio_status(ice);
1545 	return 0;
1546 }
1547 
1548 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1549 			 struct snd_ctl_elem_value *ucontrol)
1550 {
1551 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1552 	int shift = kcontrol->private_value & 0xff;
1553 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1554 	unsigned int val, nval;
1555 
1556 	if (kcontrol->private_value & (1 << 31))
1557 		return -EPERM;
1558 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1559 	snd_ice1712_save_gpio_status(ice);
1560 	val = snd_ice1712_gpio_read(ice);
1561 	nval |= val & ~(1 << shift);
1562 	if (val != nval)
1563 		snd_ice1712_gpio_write(ice, nval);
1564 	snd_ice1712_restore_gpio_status(ice);
1565 	return val != nval;
1566 }
1567 #endif /* NOT USED YET */
1568 
1569 /*
1570  *  rate
1571  */
1572 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1573 					      struct snd_ctl_elem_info *uinfo)
1574 {
1575 	static const char * const texts_1724[] = {
1576 		"8000",		/* 0: 6 */
1577 		"9600",		/* 1: 3 */
1578 		"11025",	/* 2: 10 */
1579 		"12000",	/* 3: 2 */
1580 		"16000",	/* 4: 5 */
1581 		"22050",	/* 5: 9 */
1582 		"24000",	/* 6: 1 */
1583 		"32000",	/* 7: 4 */
1584 		"44100",	/* 8: 8 */
1585 		"48000",	/* 9: 0 */
1586 		"64000",	/* 10: 15 */
1587 		"88200",	/* 11: 11 */
1588 		"96000",	/* 12: 7 */
1589 		"176400",	/* 13: 12 */
1590 		"192000",	/* 14: 14 */
1591 		"IEC958 Input",	/* 15: -- */
1592 	};
1593 	static const char * const texts_1720[] = {
1594 		"8000",		/* 0: 6 */
1595 		"9600",		/* 1: 3 */
1596 		"11025",	/* 2: 10 */
1597 		"12000",	/* 3: 2 */
1598 		"16000",	/* 4: 5 */
1599 		"22050",	/* 5: 9 */
1600 		"24000",	/* 6: 1 */
1601 		"32000",	/* 7: 4 */
1602 		"44100",	/* 8: 8 */
1603 		"48000",	/* 9: 0 */
1604 		"64000",	/* 10: 15 */
1605 		"88200",	/* 11: 11 */
1606 		"96000",	/* 12: 7 */
1607 		"IEC958 Input",	/* 13: -- */
1608 	};
1609 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1610 
1611 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1612 	uinfo->count = 1;
1613 	uinfo->value.enumerated.items = ice->vt1720 ? 14 : 16;
1614 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1615 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1616 	strcpy(uinfo->value.enumerated.name,
1617 	       ice->vt1720 ? texts_1720[uinfo->value.enumerated.item] :
1618 	       texts_1724[uinfo->value.enumerated.item]);
1619 	return 0;
1620 }
1621 
1622 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1623 					     struct snd_ctl_elem_value *ucontrol)
1624 {
1625 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1626 	static const unsigned char xlate[16] = {
1627 		9, 6, 3, 1, 7, 4, 0, 12, 8, 5, 2, 11, 13, 255, 14, 10
1628 	};
1629 	unsigned char val;
1630 
1631 	spin_lock_irq(&ice->reg_lock);
1632 	if (is_spdif_master(ice)) {
1633 		ucontrol->value.enumerated.item[0] = ice->vt1720 ? 13 : 15;
1634 	} else {
1635 		val = xlate[inb(ICEMT1724(ice, RATE)) & 15];
1636 		if (val == 255) {
1637 			snd_BUG();
1638 			val = 0;
1639 		}
1640 		ucontrol->value.enumerated.item[0] = val;
1641 	}
1642 	spin_unlock_irq(&ice->reg_lock);
1643 	return 0;
1644 }
1645 
1646 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1647 					     struct snd_ctl_elem_value *ucontrol)
1648 {
1649 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1650 	unsigned char oval;
1651 	int rate;
1652 	int change = 0;
1653 	int spdif = ice->vt1720 ? 13 : 15;
1654 
1655 	spin_lock_irq(&ice->reg_lock);
1656 	oval = inb(ICEMT1724(ice, RATE));
1657 	if (ucontrol->value.enumerated.item[0] == spdif) {
1658 		unsigned char i2s_oval;
1659 		outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1660 		/* setting 256fs */
1661 		i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1662 		outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X,
1663 		     ICEMT1724(ice, I2S_FORMAT));
1664 	} else {
1665 		rate = rates[ucontrol->value.integer.value[0] % 15];
1666 		if (rate <= get_max_rate(ice)) {
1667 			PRO_RATE_DEFAULT = rate;
1668 			spin_unlock_irq(&ice->reg_lock);
1669 			snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 1);
1670 			spin_lock_irq(&ice->reg_lock);
1671 		}
1672 	}
1673 	change = inb(ICEMT1724(ice, RATE)) != oval;
1674 	spin_unlock_irq(&ice->reg_lock);
1675 
1676 	if ((oval & VT1724_SPDIF_MASTER) !=
1677 	    (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER)) {
1678 		/* notify akm chips as well */
1679 		if (is_spdif_master(ice)) {
1680 			unsigned int i;
1681 			for (i = 0; i < ice->akm_codecs; i++) {
1682 				if (ice->akm[i].ops.set_rate_val)
1683 					ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1684 			}
1685 		}
1686 	}
1687 	return change;
1688 }
1689 
1690 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1691 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1692 	.name = "Multi Track Internal Clock",
1693 	.info = snd_vt1724_pro_internal_clock_info,
1694 	.get = snd_vt1724_pro_internal_clock_get,
1695 	.put = snd_vt1724_pro_internal_clock_put
1696 };
1697 
1698 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1699 
1700 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1701 					   struct snd_ctl_elem_value *ucontrol)
1702 {
1703 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1704 	return 0;
1705 }
1706 
1707 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1708 					   struct snd_ctl_elem_value *ucontrol)
1709 {
1710 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1711 	int change = 0, nval;
1712 
1713 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1714 	spin_lock_irq(&ice->reg_lock);
1715 	change = PRO_RATE_LOCKED != nval;
1716 	PRO_RATE_LOCKED = nval;
1717 	spin_unlock_irq(&ice->reg_lock);
1718 	return change;
1719 }
1720 
1721 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1722 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1723 	.name = "Multi Track Rate Locking",
1724 	.info = snd_vt1724_pro_rate_locking_info,
1725 	.get = snd_vt1724_pro_rate_locking_get,
1726 	.put = snd_vt1724_pro_rate_locking_put
1727 };
1728 
1729 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1730 
1731 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1732 					 struct snd_ctl_elem_value *ucontrol)
1733 {
1734 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1735 	return 0;
1736 }
1737 
1738 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1739 					 struct snd_ctl_elem_value *ucontrol)
1740 {
1741 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1742 	int change = 0, nval;
1743 
1744 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1745 	spin_lock_irq(&ice->reg_lock);
1746 	change = PRO_RATE_RESET != nval;
1747 	PRO_RATE_RESET = nval;
1748 	spin_unlock_irq(&ice->reg_lock);
1749 	return change;
1750 }
1751 
1752 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1753 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1754 	.name = "Multi Track Rate Reset",
1755 	.info = snd_vt1724_pro_rate_reset_info,
1756 	.get = snd_vt1724_pro_rate_reset_get,
1757 	.put = snd_vt1724_pro_rate_reset_put
1758 };
1759 
1760 
1761 /*
1762  * routing
1763  */
1764 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1765 				     struct snd_ctl_elem_info *uinfo)
1766 {
1767 	static char *texts[] = {
1768 		"PCM Out", /* 0 */
1769 		"H/W In 0", "H/W In 1", /* 1-2 */
1770 		"IEC958 In L", "IEC958 In R", /* 3-4 */
1771 	};
1772 
1773 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1774 	uinfo->count = 1;
1775 	uinfo->value.enumerated.items = 5;
1776 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1777 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1778 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1779 	return 0;
1780 }
1781 
1782 static inline int analog_route_shift(int idx)
1783 {
1784 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1785 }
1786 
1787 static inline int digital_route_shift(int idx)
1788 {
1789 	return idx * 3;
1790 }
1791 
1792 static int get_route_val(struct snd_ice1712 *ice, int shift)
1793 {
1794 	unsigned long val;
1795 	unsigned char eitem;
1796 	static const unsigned char xlate[8] = {
1797 		0, 255, 1, 2, 255, 255, 3, 4,
1798 	};
1799 
1800 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1801 	val >>= shift;
1802 	val &= 7;	//we now have 3 bits per output
1803 	eitem = xlate[val];
1804 	if (eitem == 255) {
1805 		snd_BUG();
1806 		return 0;
1807 	}
1808 	return eitem;
1809 }
1810 
1811 static int put_route_val(struct snd_ice1712 *ice, unsigned int val, int shift)
1812 {
1813 	unsigned int old_val, nval;
1814 	int change;
1815 	static const unsigned char xroute[8] = {
1816 		0, /* PCM */
1817 		2, /* PSDIN0 Left */
1818 		3, /* PSDIN0 Right */
1819 		6, /* SPDIN Left */
1820 		7, /* SPDIN Right */
1821 	};
1822 
1823 	nval = xroute[val % 5];
1824 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1825 	val &= ~(0x07 << shift);
1826 	val |= nval << shift;
1827 	change = val != old_val;
1828 	if (change)
1829 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1830 	return change;
1831 }
1832 
1833 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
1834 					   struct snd_ctl_elem_value *ucontrol)
1835 {
1836 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1837 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1838 	ucontrol->value.enumerated.item[0] =
1839 		get_route_val(ice, analog_route_shift(idx));
1840 	return 0;
1841 }
1842 
1843 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
1844 					   struct snd_ctl_elem_value *ucontrol)
1845 {
1846 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1847 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1848 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1849 			     analog_route_shift(idx));
1850 }
1851 
1852 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
1853 					  struct snd_ctl_elem_value *ucontrol)
1854 {
1855 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1856 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1857 	ucontrol->value.enumerated.item[0] =
1858 		get_route_val(ice, digital_route_shift(idx));
1859 	return 0;
1860 }
1861 
1862 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
1863 					  struct snd_ctl_elem_value *ucontrol)
1864 {
1865 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1866 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1867 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1868 			     digital_route_shift(idx));
1869 }
1870 
1871 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata = {
1872 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1873 	.name = "H/W Playback Route",
1874 	.info = snd_vt1724_pro_route_info,
1875 	.get = snd_vt1724_pro_route_analog_get,
1876 	.put = snd_vt1724_pro_route_analog_put,
1877 };
1878 
1879 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
1880 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1881 	.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Route",
1882 	.info = snd_vt1724_pro_route_info,
1883 	.get = snd_vt1724_pro_route_spdif_get,
1884 	.put = snd_vt1724_pro_route_spdif_put,
1885 	.count = 2,
1886 };
1887 
1888 
1889 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
1890 				    struct snd_ctl_elem_info *uinfo)
1891 {
1892 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1893 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
1894 	uinfo->value.integer.min = 0;
1895 	uinfo->value.integer.max = 255;
1896 	return 0;
1897 }
1898 
1899 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
1900 				   struct snd_ctl_elem_value *ucontrol)
1901 {
1902 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1903 	int idx;
1904 
1905 	spin_lock_irq(&ice->reg_lock);
1906 	for (idx = 0; idx < 22; idx++) {
1907 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
1908 		ucontrol->value.integer.value[idx] =
1909 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
1910 	}
1911 	spin_unlock_irq(&ice->reg_lock);
1912 	return 0;
1913 }
1914 
1915 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
1916 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1917 	.name = "Multi Track Peak",
1918 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1919 	.info = snd_vt1724_pro_peak_info,
1920 	.get = snd_vt1724_pro_peak_get
1921 };
1922 
1923 /*
1924  *
1925  */
1926 
1927 static struct snd_ice1712_card_info no_matched __devinitdata;
1928 
1929 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
1930 	snd_vt1724_revo_cards,
1931 	snd_vt1724_amp_cards,
1932 	snd_vt1724_aureon_cards,
1933 	snd_vt1720_mobo_cards,
1934 	snd_vt1720_pontis_cards,
1935 	snd_vt1724_prodigy_hifi_cards,
1936 	snd_vt1724_prodigy192_cards,
1937 	snd_vt1724_juli_cards,
1938 	snd_vt1724_phase_cards,
1939 	snd_vt1724_wtm_cards,
1940 	snd_vt1724_se_cards,
1941 	NULL,
1942 };
1943 
1944 
1945 /*
1946  */
1947 
1948 static void wait_i2c_busy(struct snd_ice1712 *ice)
1949 {
1950 	int t = 0x10000;
1951 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
1952 		;
1953 	if (t == -1)
1954 		printk(KERN_ERR "ice1724: i2c busy timeout\n");
1955 }
1956 
1957 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
1958 				  unsigned char dev, unsigned char addr)
1959 {
1960 	unsigned char val;
1961 
1962 	mutex_lock(&ice->i2c_mutex);
1963 	wait_i2c_busy(ice);
1964 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1965 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1966 	wait_i2c_busy(ice);
1967 	val = inb(ICEREG1724(ice, I2C_DATA));
1968 	mutex_unlock(&ice->i2c_mutex);
1969 	//printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
1970 	return val;
1971 }
1972 
1973 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
1974 			  unsigned char dev, unsigned char addr, unsigned char data)
1975 {
1976 	mutex_lock(&ice->i2c_mutex);
1977 	wait_i2c_busy(ice);
1978 	//printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
1979 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1980 	outb(data, ICEREG1724(ice, I2C_DATA));
1981 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1982 	wait_i2c_busy(ice);
1983 	mutex_unlock(&ice->i2c_mutex);
1984 }
1985 
1986 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
1987 					    const char *modelname)
1988 {
1989 	const int dev = 0xa0;		/* EEPROM device address */
1990 	unsigned int i, size;
1991 	struct snd_ice1712_card_info * const *tbl, *c;
1992 
1993 	if (! modelname || ! *modelname) {
1994 		ice->eeprom.subvendor = 0;
1995 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
1996 			ice->eeprom.subvendor =
1997 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
1998 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
1999 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2000 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2001 		if (ice->eeprom.subvendor == 0 ||
2002 		    ice->eeprom.subvendor == (unsigned int)-1) {
2003 			/* invalid subvendor from EEPROM, try the PCI
2004 			 * subststem ID instead
2005 			 */
2006 			u16 vendor, device;
2007 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2008 					     &vendor);
2009 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2010 			ice->eeprom.subvendor =
2011 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2012 			if (ice->eeprom.subvendor == 0 ||
2013 			    ice->eeprom.subvendor == (unsigned int)-1) {
2014 				printk(KERN_ERR "ice1724: No valid ID is found\n");
2015 				return -ENXIO;
2016 			}
2017 		}
2018 	}
2019 	for (tbl = card_tables; *tbl; tbl++) {
2020 		for (c = *tbl; c->subvendor; c++) {
2021 			if (modelname && c->model &&
2022 			    ! strcmp(modelname, c->model)) {
2023 				printk(KERN_INFO "ice1724: Using board model %s\n",
2024 				       c->name);
2025 				ice->eeprom.subvendor = c->subvendor;
2026 			} else if (c->subvendor != ice->eeprom.subvendor)
2027 				continue;
2028 			if (! c->eeprom_size || ! c->eeprom_data)
2029 				goto found;
2030 			/* if the EEPROM is given by the driver, use it */
2031 			snd_printdd("using the defined eeprom..\n");
2032 			ice->eeprom.version = 2;
2033 			ice->eeprom.size = c->eeprom_size + 6;
2034 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2035 			goto read_skipped;
2036 		}
2037 	}
2038 	printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2039 	       ice->eeprom.subvendor);
2040 
2041  found:
2042 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2043 	if (ice->eeprom.size < 6)
2044 		ice->eeprom.size = 32;
2045 	else if (ice->eeprom.size > 32) {
2046 		printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2047 		       ice->eeprom.size);
2048 		return -EIO;
2049 	}
2050 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2051 	if (ice->eeprom.version != 2)
2052 		printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2053 		       ice->eeprom.version);
2054 	size = ice->eeprom.size - 6;
2055 	for (i = 0; i < size; i++)
2056 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2057 
2058  read_skipped:
2059 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2060 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2061 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2062 
2063 	return 0;
2064 }
2065 
2066 
2067 
2068 static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice)
2069 {
2070 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2071 	udelay(200);
2072 	outb(0, ICEREG1724(ice, CONTROL));
2073 	udelay(200);
2074 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2075 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2076 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2077 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2078 
2079 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2080 	ice->gpio.direction = ice->eeprom.gpiodir;
2081 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2082 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2083 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2084 
2085 	outb(0, ICEREG1724(ice, POWERDOWN));
2086 
2087 	return 0;
2088 }
2089 
2090 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2091 {
2092 	int err;
2093 	struct snd_kcontrol *kctl;
2094 
2095 	snd_assert(ice->pcm != NULL, return -EIO);
2096 
2097 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2098 	if (err < 0)
2099 		return err;
2100 
2101 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2102 	if (err < 0)
2103 		return err;
2104 
2105 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2106 	if (err < 0)
2107 		return err;
2108 	kctl->id.device = ice->pcm->device;
2109 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2110 	if (err < 0)
2111 		return err;
2112 	kctl->id.device = ice->pcm->device;
2113 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2114 	if (err < 0)
2115 		return err;
2116 	kctl->id.device = ice->pcm->device;
2117 #if 0 /* use default only */
2118 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2119 	if (err < 0)
2120 		return err;
2121 	kctl->id.device = ice->pcm->device;
2122 	ice->spdif.stream_ctl = kctl;
2123 #endif
2124 	return 0;
2125 }
2126 
2127 
2128 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2129 {
2130 	int err;
2131 
2132 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2133 	if (err < 0)
2134 		return err;
2135 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2136 	if (err < 0)
2137 		return err;
2138 
2139 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2140 	if (err < 0)
2141 		return err;
2142 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2143 	if (err < 0)
2144 		return err;
2145 
2146 	if (ice->num_total_dacs > 0) {
2147 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2148 		tmp.count = ice->num_total_dacs;
2149 		if (ice->vt1720 && tmp.count > 2)
2150 			tmp.count = 2;
2151 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2152 		if (err < 0)
2153 			return err;
2154 	}
2155 
2156 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2157 	if (err < 0)
2158 		return err;
2159 
2160 	return 0;
2161 }
2162 
2163 static int snd_vt1724_free(struct snd_ice1712 *ice)
2164 {
2165 	if (! ice->port)
2166 		goto __hw_end;
2167 	/* mask all interrupts */
2168 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2169 	outb(0xff, ICEREG1724(ice, IRQMASK));
2170 	/* --- */
2171       __hw_end:
2172 	if (ice->irq >= 0) {
2173 		synchronize_irq(ice->irq);
2174 		free_irq(ice->irq, ice);
2175 	}
2176 	pci_release_regions(ice->pci);
2177 	snd_ice1712_akm4xxx_free(ice);
2178 	pci_disable_device(ice->pci);
2179 	kfree(ice->spec);
2180 	kfree(ice);
2181 	return 0;
2182 }
2183 
2184 static int snd_vt1724_dev_free(struct snd_device *device)
2185 {
2186 	struct snd_ice1712 *ice = device->device_data;
2187 	return snd_vt1724_free(ice);
2188 }
2189 
2190 static int __devinit snd_vt1724_create(struct snd_card *card,
2191 				       struct pci_dev *pci,
2192 				       const char *modelname,
2193 				       struct snd_ice1712 ** r_ice1712)
2194 {
2195 	struct snd_ice1712 *ice;
2196 	int err;
2197 	unsigned char mask;
2198 	static struct snd_device_ops ops = {
2199 		.dev_free =	snd_vt1724_dev_free,
2200 	};
2201 
2202 	*r_ice1712 = NULL;
2203 
2204         /* enable PCI device */
2205 	if ((err = pci_enable_device(pci)) < 0)
2206 		return err;
2207 
2208 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2209 	if (ice == NULL) {
2210 		pci_disable_device(pci);
2211 		return -ENOMEM;
2212 	}
2213 	ice->vt1724 = 1;
2214 	spin_lock_init(&ice->reg_lock);
2215 	mutex_init(&ice->gpio_mutex);
2216 	mutex_init(&ice->open_mutex);
2217 	mutex_init(&ice->i2c_mutex);
2218 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2219 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2220 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2221 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2222 	ice->card = card;
2223 	ice->pci = pci;
2224 	ice->irq = -1;
2225 	pci_set_master(pci);
2226 	snd_vt1724_proc_init(ice);
2227 	synchronize_irq(pci->irq);
2228 
2229 	if ((err = pci_request_regions(pci, "ICE1724")) < 0) {
2230 		kfree(ice);
2231 		pci_disable_device(pci);
2232 		return err;
2233 	}
2234 	ice->port = pci_resource_start(pci, 0);
2235 	ice->profi_port = pci_resource_start(pci, 1);
2236 
2237 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2238 			IRQF_SHARED, "ICE1724", ice)) {
2239 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2240 		snd_vt1724_free(ice);
2241 		return -EIO;
2242 	}
2243 
2244 	ice->irq = pci->irq;
2245 
2246 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2247 		snd_vt1724_free(ice);
2248 		return -EIO;
2249 	}
2250 	if (snd_vt1724_chip_init(ice) < 0) {
2251 		snd_vt1724_free(ice);
2252 		return -EIO;
2253 	}
2254 
2255 	/* unmask used interrupts */
2256 	if (! (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401))
2257 		mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2258 	else
2259 		mask = 0;
2260 	outb(mask, ICEREG1724(ice, IRQMASK));
2261 	/* don't handle FIFO overrun/underruns (just yet),
2262 	 * since they cause machine lockups
2263 	 */
2264 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2265 
2266 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops)) < 0) {
2267 		snd_vt1724_free(ice);
2268  		return err;
2269 	}
2270 
2271 	snd_card_set_dev(card, &pci->dev);
2272 
2273 	*r_ice1712 = ice;
2274 	return 0;
2275 }
2276 
2277 
2278 /*
2279  *
2280  * Registration
2281  *
2282  */
2283 
2284 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2285 				      const struct pci_device_id *pci_id)
2286 {
2287 	static int dev;
2288 	struct snd_card *card;
2289 	struct snd_ice1712 *ice;
2290 	int pcm_dev = 0, err;
2291 	struct snd_ice1712_card_info * const *tbl, *c;
2292 
2293 	if (dev >= SNDRV_CARDS)
2294 		return -ENODEV;
2295 	if (!enable[dev]) {
2296 		dev++;
2297 		return -ENOENT;
2298 	}
2299 
2300 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2301 	if (card == NULL)
2302 		return -ENOMEM;
2303 
2304 	strcpy(card->driver, "ICE1724");
2305 	strcpy(card->shortname, "ICEnsemble ICE1724");
2306 
2307 	if ((err = snd_vt1724_create(card, pci, model[dev], &ice)) < 0) {
2308 		snd_card_free(card);
2309 		return err;
2310 	}
2311 
2312 	for (tbl = card_tables; *tbl; tbl++) {
2313 		for (c = *tbl; c->subvendor; c++) {
2314 			if (c->subvendor == ice->eeprom.subvendor) {
2315 				strcpy(card->shortname, c->name);
2316 				if (c->driver) /* specific driver? */
2317 					strcpy(card->driver, c->driver);
2318 				if (c->chip_init) {
2319 					if ((err = c->chip_init(ice)) < 0) {
2320 						snd_card_free(card);
2321 						return err;
2322 					}
2323 				}
2324 				goto __found;
2325 			}
2326 		}
2327 	}
2328 	c = &no_matched;
2329  __found:
2330        /*
2331         * VT1724 has separate DMAs for the analog and the SPDIF streams while
2332         * ICE1712 has only one for both (mixed up).
2333         *
2334         * Confusingly the analog PCM is named "professional" here because it
2335         * was called so in ice1712 driver, and vt1724 driver is derived from
2336         * ice1712 driver.
2337         */
2338 
2339 	if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
2340 		snd_card_free(card);
2341 		return err;
2342 	}
2343 
2344 	if ((err = snd_vt1724_pcm_spdif(ice, pcm_dev++)) < 0) {
2345 		snd_card_free(card);
2346 		return err;
2347 	}
2348 
2349 	if ((err = snd_vt1724_pcm_indep(ice, pcm_dev++)) < 0) {
2350 		snd_card_free(card);
2351 		return err;
2352 	}
2353 
2354 	if ((err = snd_vt1724_ac97_mixer(ice)) < 0) {
2355 		snd_card_free(card);
2356 		return err;
2357 	}
2358 
2359 	if ((err = snd_vt1724_build_controls(ice)) < 0) {
2360 		snd_card_free(card);
2361 		return err;
2362 	}
2363 
2364 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2365 		if ((err = snd_vt1724_spdif_build_controls(ice)) < 0) {
2366 			snd_card_free(card);
2367 			return err;
2368 		}
2369 	}
2370 
2371 	if (c->build_controls) {
2372 		if ((err = c->build_controls(ice)) < 0) {
2373 			snd_card_free(card);
2374 			return err;
2375 		}
2376 	}
2377 
2378 	if (! c->no_mpu401) {
2379 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2380 			if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ICE1712,
2381 						       ICEREG1724(ice, MPU_CTRL),
2382 						       MPU401_INFO_INTEGRATED,
2383 						       ice->irq, 0,
2384 						       &ice->rmidi[0])) < 0) {
2385 				snd_card_free(card);
2386 				return err;
2387 			}
2388 		}
2389 	}
2390 
2391 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2392 		card->shortname, ice->port, ice->irq);
2393 
2394 	if ((err = snd_card_register(card)) < 0) {
2395 		snd_card_free(card);
2396 		return err;
2397 	}
2398 	pci_set_drvdata(pci, card);
2399 	dev++;
2400 	return 0;
2401 }
2402 
2403 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2404 {
2405 	snd_card_free(pci_get_drvdata(pci));
2406 	pci_set_drvdata(pci, NULL);
2407 }
2408 
2409 static struct pci_driver driver = {
2410 	.name = "ICE1724",
2411 	.id_table = snd_vt1724_ids,
2412 	.probe = snd_vt1724_probe,
2413 	.remove = __devexit_p(snd_vt1724_remove),
2414 };
2415 
2416 static int __init alsa_card_ice1724_init(void)
2417 {
2418 	return pci_register_driver(&driver);
2419 }
2420 
2421 static void __exit alsa_card_ice1724_exit(void)
2422 {
2423 	pci_unregister_driver(&driver);
2424 }
2425 
2426 module_init(alsa_card_ice1724_init)
2427 module_exit(alsa_card_ice1724_exit)
2428