xref: /linux/sound/pci/ice1712/ice1724.c (revision c537b994505099b7197e7d3125b942ecbcc51eb6)
1 /*
2  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
3  *                   VIA VT1720 (Envy24PT)
4  *
5  *	Copyright (c) 2000 Jaroslav Kysela <perex@suse.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 <sound/driver.h>
26 #include <asm/io.h>
27 #include <linux/delay.h>
28 #include <linux/interrupt.h>
29 #include <linux/init.h>
30 #include <linux/pci.h>
31 #include <linux/slab.h>
32 #include <linux/moduleparam.h>
33 #include <linux/mutex.h>
34 #include <sound/core.h>
35 #include <sound/info.h>
36 #include <sound/mpu401.h>
37 #include <sound/initval.h>
38 
39 #include <sound/asoundef.h>
40 
41 #include "ice1712.h"
42 #include "envy24ht.h"
43 
44 /* lowlevel routines */
45 #include "amp.h"
46 #include "revo.h"
47 #include "aureon.h"
48 #include "vt1720_mobo.h"
49 #include "pontis.h"
50 #include "prodigy192.h"
51 #include "juli.h"
52 #include "phase.h"
53 #include "wtm.h"
54 
55 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
56 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
57 MODULE_LICENSE("GPL");
58 MODULE_SUPPORTED_DEVICE("{"
59 	       REVO_DEVICE_DESC
60 	       AMP_AUDIO2000_DEVICE_DESC
61 	       AUREON_DEVICE_DESC
62 	       VT1720_MOBO_DEVICE_DESC
63 	       PONTIS_DEVICE_DESC
64 	       PRODIGY192_DEVICE_DESC
65 	       JULI_DEVICE_DESC
66 	       PHASE_DEVICE_DESC
67 	       WTM_DEVICE_DESC
68 		"{VIA,VT1720},"
69 		"{VIA,VT1724},"
70 		"{ICEnsemble,Generic ICE1724},"
71 		"{ICEnsemble,Generic Envy24HT}"
72 		"{ICEnsemble,Generic Envy24PT}}");
73 
74 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
75 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
76 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
77 static char *model[SNDRV_CARDS];
78 
79 module_param_array(index, int, NULL, 0444);
80 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
81 module_param_array(id, charp, NULL, 0444);
82 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
83 module_param_array(enable, bool, NULL, 0444);
84 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
85 module_param_array(model, charp, NULL, 0444);
86 MODULE_PARM_DESC(model, "Use the given board model.");
87 
88 
89 /* Both VT1720 and VT1724 have the same PCI IDs */
90 static const struct pci_device_id snd_vt1724_ids[] = {
91 	{ PCI_VENDOR_ID_ICE, PCI_DEVICE_ID_VT1724, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
92 	{ 0, }
93 };
94 
95 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
96 
97 
98 static int PRO_RATE_LOCKED;
99 static int PRO_RATE_RESET = 1;
100 static unsigned int PRO_RATE_DEFAULT = 44100;
101 
102 /*
103  *  Basic I/O
104  */
105 
106 /* check whether the clock mode is spdif-in */
107 static inline int is_spdif_master(struct snd_ice1712 *ice)
108 {
109 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
110 }
111 
112 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
113 {
114 	return is_spdif_master(ice) || PRO_RATE_LOCKED;
115 }
116 
117 /*
118  * ac97 section
119  */
120 
121 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
122 {
123 	unsigned char old_cmd;
124 	int tm;
125 	for (tm = 0; tm < 0x10000; tm++) {
126 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
127 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
128 			continue;
129 		if (!(old_cmd & VT1724_AC97_READY))
130 			continue;
131 		return old_cmd;
132 	}
133 	snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
134 	return old_cmd;
135 }
136 
137 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
138 {
139 	int tm;
140 	for (tm = 0; tm < 0x10000; tm++)
141 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
142 			return 0;
143 	snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
144 	return -EIO;
145 }
146 
147 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
148 				  unsigned short reg,
149 				  unsigned short val)
150 {
151 	struct snd_ice1712 *ice = ac97->private_data;
152 	unsigned char old_cmd;
153 
154 	old_cmd = snd_vt1724_ac97_ready(ice);
155 	old_cmd &= ~VT1724_AC97_ID_MASK;
156 	old_cmd |= ac97->num;
157 	outb(reg, ICEMT1724(ice, AC97_INDEX));
158 	outw(val, ICEMT1724(ice, AC97_DATA));
159 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
160 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
161 }
162 
163 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
164 {
165 	struct snd_ice1712 *ice = ac97->private_data;
166 	unsigned char old_cmd;
167 
168 	old_cmd = snd_vt1724_ac97_ready(ice);
169 	old_cmd &= ~VT1724_AC97_ID_MASK;
170 	old_cmd |= ac97->num;
171 	outb(reg, ICEMT1724(ice, AC97_INDEX));
172 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
173 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
174 		return ~0;
175 	return inw(ICEMT1724(ice, AC97_DATA));
176 }
177 
178 
179 /*
180  * GPIO operations
181  */
182 
183 /* set gpio direction 0 = read, 1 = write */
184 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
185 {
186 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
187 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
188 }
189 
190 /* set the gpio mask (0 = writable) */
191 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
192 {
193 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
194 	if (! ice->vt1720) /* VT1720 supports only 16 GPIO bits */
195 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
196 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
197 }
198 
199 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
200 {
201 	outw(data, ICEREG1724(ice, GPIO_DATA));
202 	if (! ice->vt1720)
203 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
204 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
205 }
206 
207 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
208 {
209 	unsigned int data;
210 	if (! ice->vt1720)
211 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
212 	else
213 		data = 0;
214 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
215 	return data;
216 }
217 
218 /*
219  *  Interrupt handler
220  */
221 
222 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
223 {
224 	struct snd_ice1712 *ice = dev_id;
225 	unsigned char status;
226 	int handled = 0;
227 
228 	while (1) {
229 		status = inb(ICEREG1724(ice, IRQSTAT));
230 		if (status == 0)
231 			break;
232 
233 		handled = 1;
234 		/* these should probably be separated at some point,
235 		 * but as we don't currently have MPU support on the board
236 		 * I will leave it
237 		 */
238 		if ((status & VT1724_IRQ_MPU_RX)||(status & VT1724_IRQ_MPU_TX)) {
239 			if (ice->rmidi[0])
240 				snd_mpu401_uart_interrupt(irq, ice->rmidi[0]->private_data);
241 			outb(status & (VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX), ICEREG1724(ice, IRQSTAT));
242 			status &= ~(VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX);
243 		}
244 		if (status & VT1724_IRQ_MTPCM) {
245 			/*
246 			 * Multi-track PCM
247 			 * PCM assignment are:
248 			 * Playback DMA0 (M/C) = playback_pro_substream
249 			 * Playback DMA1 = playback_con_substream_ds[0]
250 			 * Playback DMA2 = playback_con_substream_ds[1]
251 			 * Playback DMA3 = playback_con_substream_ds[2]
252 			 * Playback DMA4 (SPDIF) = playback_con_substream
253 			 * Record DMA0 = capture_pro_substream
254 			 * Record DMA1 = capture_con_substream
255 			 */
256 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
257 			if (mtstat & VT1724_MULTI_PDMA0) {
258 				if (ice->playback_pro_substream)
259 					snd_pcm_period_elapsed(ice->playback_pro_substream);
260 			}
261 			if (mtstat & VT1724_MULTI_RDMA0) {
262 				if (ice->capture_pro_substream)
263 					snd_pcm_period_elapsed(ice->capture_pro_substream);
264 			}
265 			if (mtstat & VT1724_MULTI_PDMA1) {
266 				if (ice->playback_con_substream_ds[0])
267 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
268 			}
269 			if (mtstat & VT1724_MULTI_PDMA2) {
270 				if (ice->playback_con_substream_ds[1])
271 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
272 			}
273 			if (mtstat & VT1724_MULTI_PDMA3) {
274 				if (ice->playback_con_substream_ds[2])
275 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
276 			}
277 			if (mtstat & VT1724_MULTI_PDMA4) {
278 				if (ice->playback_con_substream)
279 					snd_pcm_period_elapsed(ice->playback_con_substream);
280 			}
281 			if (mtstat & VT1724_MULTI_RDMA1) {
282 				if (ice->capture_con_substream)
283 					snd_pcm_period_elapsed(ice->capture_con_substream);
284 			}
285 			/* ack anyway to avoid freeze */
286 			outb(mtstat, ICEMT1724(ice, IRQ));
287 			/* ought to really handle this properly */
288 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
289 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
290 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
291 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
292 				/* If I don't do this, I get machine lockup due to continual interrupts */
293 			}
294 
295 		}
296 	}
297 	return IRQ_RETVAL(handled);
298 }
299 
300 /*
301  *  PCM code - professional part (multitrack)
302  */
303 
304 static unsigned int rates[] = {
305 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
306 	32000, 44100, 48000, 64000, 88200, 96000,
307 	176400, 192000,
308 };
309 
310 static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
311 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
312 	.list = rates,
313 	.mask = 0,
314 };
315 
316 static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
317 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
318 	.list = rates,
319 	.mask = 0,
320 };
321 
322 static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
323 	.count = ARRAY_SIZE(rates),
324 	.list = rates,
325 	.mask = 0,
326 };
327 
328 struct vt1724_pcm_reg {
329 	unsigned int addr;	/* ADDR register offset */
330 	unsigned int size;	/* SIZE register offset */
331 	unsigned int count;	/* COUNT register offset */
332 	unsigned int start;	/* start & pause bit */
333 };
334 
335 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
336 {
337 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
338 	unsigned char what;
339 	unsigned char old;
340 	struct list_head *pos;
341 	struct snd_pcm_substream *s;
342 
343 	what = 0;
344 	snd_pcm_group_for_each(pos, substream) {
345 		const struct vt1724_pcm_reg *reg;
346 		s = snd_pcm_group_substream_entry(pos);
347 		reg = s->runtime->private_data;
348 		what |= reg->start;
349 		snd_pcm_trigger_done(s, substream);
350 	}
351 
352 	switch (cmd) {
353 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
354 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
355 		spin_lock(&ice->reg_lock);
356 		old = inb(ICEMT1724(ice, DMA_PAUSE));
357 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
358 			old |= what;
359 		else
360 			old &= ~what;
361 		outb(old, ICEMT1724(ice, DMA_PAUSE));
362 		spin_unlock(&ice->reg_lock);
363 		break;
364 
365 	case SNDRV_PCM_TRIGGER_START:
366 	case SNDRV_PCM_TRIGGER_STOP:
367 		spin_lock(&ice->reg_lock);
368 		old = inb(ICEMT1724(ice, DMA_CONTROL));
369 		if (cmd == SNDRV_PCM_TRIGGER_START)
370 			old |= what;
371 		else
372 			old &= ~what;
373 		outb(old, ICEMT1724(ice, DMA_CONTROL));
374 		spin_unlock(&ice->reg_lock);
375 		break;
376 
377 	default:
378 		return -EINVAL;
379 	}
380 	return 0;
381 }
382 
383 /*
384  */
385 
386 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
387 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
388 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
389 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
390 
391 static int get_max_rate(struct snd_ice1712 *ice)
392 {
393 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
394 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
395 			return 192000;
396 		else
397 			return 96000;
398 	} else
399 		return 48000;
400 }
401 
402 static void snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
403 				    int force)
404 {
405 	unsigned long flags;
406 	unsigned char val, old;
407 	unsigned int i, mclk_change;
408 
409 	if (rate > get_max_rate(ice))
410 		return;
411 
412 	switch (rate) {
413 	case 8000: val = 6; break;
414 	case 9600: val = 3; break;
415 	case 11025: val = 10; break;
416 	case 12000: val = 2; break;
417 	case 16000: val = 5; break;
418 	case 22050: val = 9; break;
419 	case 24000: val = 1; break;
420 	case 32000: val = 4; break;
421 	case 44100: val = 8; break;
422 	case 48000: val = 0; break;
423 	case 64000: val = 15; break;
424 	case 88200: val = 11; break;
425 	case 96000: val = 7; break;
426 	case 176400: val = 12; break;
427 	case 192000: val = 14; break;
428 	default:
429 		snd_BUG();
430 		val = 0;
431 		break;
432 	}
433 
434 	spin_lock_irqsave(&ice->reg_lock, flags);
435 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
436 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
437 		/* running? we cannot change the rate now... */
438 		spin_unlock_irqrestore(&ice->reg_lock, flags);
439 		return;
440 	}
441 	if (!force && is_pro_rate_locked(ice)) {
442 		spin_unlock_irqrestore(&ice->reg_lock, flags);
443 		return;
444 	}
445 
446 	old = inb(ICEMT1724(ice, RATE));
447 	if (force || old != val)
448 		outb(val, ICEMT1724(ice, RATE));
449 	else if (rate == ice->cur_rate) {
450 		spin_unlock_irqrestore(&ice->reg_lock, flags);
451 		return;
452 	}
453 
454 	ice->cur_rate = rate;
455 
456 	/* check MT02 */
457 	mclk_change = 0;
458 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
459 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
460 		if (rate > 96000)
461 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
462 		else
463 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
464 		if (val != old) {
465 			outb(val, ICEMT1724(ice, I2S_FORMAT));
466 			mclk_change = 1;
467 		}
468 	}
469 	spin_unlock_irqrestore(&ice->reg_lock, flags);
470 
471 	if (mclk_change && ice->gpio.i2s_mclk_changed)
472 		ice->gpio.i2s_mclk_changed(ice);
473 	if (ice->gpio.set_pro_rate)
474 		ice->gpio.set_pro_rate(ice, rate);
475 
476 	/* set up codecs */
477 	for (i = 0; i < ice->akm_codecs; i++) {
478 		if (ice->akm[i].ops.set_rate_val)
479 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
480 	}
481 	if (ice->spdif.ops.setup_rate)
482 		ice->spdif.ops.setup_rate(ice, rate);
483 }
484 
485 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
486 				    struct snd_pcm_hw_params *hw_params)
487 {
488 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
489 	int i, chs;
490 
491 	chs = params_channels(hw_params);
492 	mutex_lock(&ice->open_mutex);
493 	/* mark surround channels */
494 	if (substream == ice->playback_pro_substream) {
495 		/* PDMA0 can be multi-channel up to 8 */
496 		chs = chs / 2 - 1;
497 		for (i = 0; i < chs; i++) {
498 			if (ice->pcm_reserved[i] &&
499 			    ice->pcm_reserved[i] != substream) {
500 				mutex_unlock(&ice->open_mutex);
501 				return -EBUSY;
502 			}
503 			ice->pcm_reserved[i] = substream;
504 		}
505 		for (; i < 3; i++) {
506 			if (ice->pcm_reserved[i] == substream)
507 				ice->pcm_reserved[i] = NULL;
508 		}
509 	} else {
510 		for (i = 0; i < 3; i++) {
511 			/* check individual playback stream */
512 			if (ice->playback_con_substream_ds[i] == substream) {
513 				if (ice->pcm_reserved[i] &&
514 				    ice->pcm_reserved[i] != substream) {
515 					mutex_unlock(&ice->open_mutex);
516 					return -EBUSY;
517 				}
518 				ice->pcm_reserved[i] = substream;
519 				break;
520 			}
521 		}
522 	}
523 	mutex_unlock(&ice->open_mutex);
524 	snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
525 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
526 }
527 
528 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
529 {
530 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
531 	int i;
532 
533 	mutex_lock(&ice->open_mutex);
534 	/* unmark surround channels */
535 	for (i = 0; i < 3; i++)
536 		if (ice->pcm_reserved[i] == substream)
537 			ice->pcm_reserved[i] = NULL;
538 	mutex_unlock(&ice->open_mutex);
539 	return snd_pcm_lib_free_pages(substream);
540 }
541 
542 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
543 {
544 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
545 	unsigned char val;
546 	unsigned int size;
547 
548 	spin_lock_irq(&ice->reg_lock);
549 	val = (8 - substream->runtime->channels) >> 1;
550 	outb(val, ICEMT1724(ice, BURST));
551 
552 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
553 
554 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
555 	// outl(size, ICEMT1724(ice, PLAYBACK_SIZE));
556 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
557 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
558 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
559 	// outl(size, ICEMT1724(ice, PLAYBACK_COUNT));
560 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
561 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
562 
563 	spin_unlock_irq(&ice->reg_lock);
564 
565 	// 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));
566 	return 0;
567 }
568 
569 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
570 {
571 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
572 	size_t ptr;
573 
574 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
575 		return 0;
576 #if 0 /* read PLAYBACK_ADDR */
577 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
578 	if (ptr < substream->runtime->dma_addr) {
579 		snd_printd("ice1724: invalid negative ptr\n");
580 		return 0;
581 	}
582 	ptr -= substream->runtime->dma_addr;
583 	ptr = bytes_to_frames(substream->runtime, ptr);
584 	if (ptr >= substream->runtime->buffer_size) {
585 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
586 			   (int)ptr, (int)substream->runtime->period_size);
587 		return 0;
588 	}
589 #else /* read PLAYBACK_SIZE */
590 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
591 	ptr = (ptr + 1) << 2;
592 	ptr = bytes_to_frames(substream->runtime, ptr);
593 	if (! ptr)
594 		;
595 	else if (ptr <= substream->runtime->buffer_size)
596 		ptr = substream->runtime->buffer_size - ptr;
597 	else {
598 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
599 			   (int)ptr, (int)substream->runtime->buffer_size);
600 		ptr = 0;
601 	}
602 #endif
603 	return ptr;
604 }
605 
606 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
607 {
608 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
609 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
610 
611 	spin_lock_irq(&ice->reg_lock);
612 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
613 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
614 	     ice->profi_port + reg->size);
615 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
616 	     ice->profi_port + reg->count);
617 	spin_unlock_irq(&ice->reg_lock);
618 	return 0;
619 }
620 
621 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
622 {
623 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
624 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
625 	size_t ptr;
626 
627 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
628 		return 0;
629 #if 0 /* use ADDR register */
630 	ptr = inl(ice->profi_port + reg->addr);
631 	ptr -= substream->runtime->dma_addr;
632 	return bytes_to_frames(substream->runtime, ptr);
633 #else /* use SIZE register */
634 	ptr = inw(ice->profi_port + reg->size);
635 	ptr = (ptr + 1) << 2;
636 	ptr = bytes_to_frames(substream->runtime, ptr);
637 	if (! ptr)
638 		;
639 	else if (ptr <= substream->runtime->buffer_size)
640 		ptr = substream->runtime->buffer_size - ptr;
641 	else {
642 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
643 			   (int)ptr, (int)substream->runtime->buffer_size);
644 		ptr = 0;
645 	}
646 	return ptr;
647 #endif
648 }
649 
650 static const struct vt1724_pcm_reg vt1724_playback_pro_reg = {
651 	.addr = VT1724_MT_PLAYBACK_ADDR,
652 	.size = VT1724_MT_PLAYBACK_SIZE,
653 	.count = VT1724_MT_PLAYBACK_COUNT,
654 	.start = VT1724_PDMA0_START,
655 };
656 
657 static const struct vt1724_pcm_reg vt1724_capture_pro_reg = {
658 	.addr = VT1724_MT_CAPTURE_ADDR,
659 	.size = VT1724_MT_CAPTURE_SIZE,
660 	.count = VT1724_MT_CAPTURE_COUNT,
661 	.start = VT1724_RDMA0_START,
662 };
663 
664 static const struct snd_pcm_hardware snd_vt1724_playback_pro =
665 {
666 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
667 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
668 				 SNDRV_PCM_INFO_MMAP_VALID |
669 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
670 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
671 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
672 	.rate_min =		8000,
673 	.rate_max =		192000,
674 	.channels_min =		2,
675 	.channels_max =		8,
676 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
677 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
678 	.period_bytes_max =	(1UL << 21),
679 	.periods_min =		2,
680 	.periods_max =		1024,
681 };
682 
683 static const struct snd_pcm_hardware snd_vt1724_spdif =
684 {
685 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
686 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
687 				 SNDRV_PCM_INFO_MMAP_VALID |
688 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
689 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
690 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
691 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
692 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
693 				 SNDRV_PCM_RATE_192000),
694 	.rate_min =		32000,
695 	.rate_max =		192000,
696 	.channels_min =		2,
697 	.channels_max =		2,
698 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
699 	.period_bytes_min =	2 * 4 * 2,
700 	.period_bytes_max =	(1UL << 18),
701 	.periods_min =		2,
702 	.periods_max =		1024,
703 };
704 
705 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo =
706 {
707 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
708 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
709 				 SNDRV_PCM_INFO_MMAP_VALID |
710 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
711 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
712 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
713 	.rate_min =		8000,
714 	.rate_max =		192000,
715 	.channels_min =		2,
716 	.channels_max =		2,
717 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
718 	.period_bytes_min =	2 * 4 * 2,
719 	.period_bytes_max =	(1UL << 18),
720 	.periods_min =		2,
721 	.periods_max =		1024,
722 };
723 
724 /*
725  * set rate constraints
726  */
727 static int set_rate_constraints(struct snd_ice1712 *ice,
728 				struct snd_pcm_substream *substream)
729 {
730 	struct snd_pcm_runtime *runtime = substream->runtime;
731 	if (ice->hw_rates) {
732 		/* hardware specific */
733 		runtime->hw.rate_min = ice->hw_rates->list[0];
734 		runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
735 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
736 		return snd_pcm_hw_constraint_list(runtime, 0,
737 						  SNDRV_PCM_HW_PARAM_RATE,
738 						  ice->hw_rates);
739 	}
740 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
741 		/* I2S */
742 		/* VT1720 doesn't support more than 96kHz */
743 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
744 			return snd_pcm_hw_constraint_list(runtime, 0,
745 							  SNDRV_PCM_HW_PARAM_RATE,
746 							  &hw_constraints_rates_192);
747 		else {
748 			runtime->hw.rates = SNDRV_PCM_RATE_KNOT |
749 				SNDRV_PCM_RATE_8000_96000;
750 			runtime->hw.rate_max = 96000;
751 			return snd_pcm_hw_constraint_list(runtime, 0,
752 							  SNDRV_PCM_HW_PARAM_RATE,
753 							  &hw_constraints_rates_96);
754 		}
755 	} else if (ice->ac97) {
756 		/* ACLINK */
757 		runtime->hw.rate_max = 48000;
758 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000;
759 		return snd_pcm_hw_constraint_list(runtime, 0,
760 						  SNDRV_PCM_HW_PARAM_RATE,
761 						  &hw_constraints_rates_48);
762 	}
763 	return 0;
764 }
765 
766 /* multi-channel playback needs alignment 8x32bit regardless of the channels
767  * actually used
768  */
769 #define VT1724_BUFFER_ALIGN	0x20
770 
771 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
772 {
773 	struct snd_pcm_runtime *runtime = substream->runtime;
774 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
775 	int chs;
776 
777 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
778 	ice->playback_pro_substream = substream;
779 	runtime->hw = snd_vt1724_playback_pro;
780 	snd_pcm_set_sync(substream);
781 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
782 	set_rate_constraints(ice, substream);
783 	mutex_lock(&ice->open_mutex);
784 	/* calculate the currently available channels */
785 	for (chs = 0; chs < 3; chs++) {
786 		if (ice->pcm_reserved[chs])
787 			break;
788 	}
789 	chs = (chs + 1) * 2;
790 	runtime->hw.channels_max = chs;
791 	if (chs > 2) /* channels must be even */
792 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
793 	mutex_unlock(&ice->open_mutex);
794 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
795 				   VT1724_BUFFER_ALIGN);
796 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
797 				   VT1724_BUFFER_ALIGN);
798 	return 0;
799 }
800 
801 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
802 {
803 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
804 	struct snd_pcm_runtime *runtime = substream->runtime;
805 
806 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
807 	ice->capture_pro_substream = substream;
808 	runtime->hw = snd_vt1724_2ch_stereo;
809 	snd_pcm_set_sync(substream);
810 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
811 	set_rate_constraints(ice, substream);
812 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
813 				   VT1724_BUFFER_ALIGN);
814 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
815 				   VT1724_BUFFER_ALIGN);
816 	return 0;
817 }
818 
819 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
820 {
821 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
822 
823 	if (PRO_RATE_RESET)
824 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
825 	ice->playback_pro_substream = NULL;
826 
827 	return 0;
828 }
829 
830 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
831 {
832 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
833 
834 	if (PRO_RATE_RESET)
835 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
836 	ice->capture_pro_substream = NULL;
837 	return 0;
838 }
839 
840 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
841 	.open =		snd_vt1724_playback_pro_open,
842 	.close =	snd_vt1724_playback_pro_close,
843 	.ioctl =	snd_pcm_lib_ioctl,
844 	.hw_params =	snd_vt1724_pcm_hw_params,
845 	.hw_free =	snd_vt1724_pcm_hw_free,
846 	.prepare =	snd_vt1724_playback_pro_prepare,
847 	.trigger =	snd_vt1724_pcm_trigger,
848 	.pointer =	snd_vt1724_playback_pro_pointer,
849 };
850 
851 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
852 	.open =		snd_vt1724_capture_pro_open,
853 	.close =	snd_vt1724_capture_pro_close,
854 	.ioctl =	snd_pcm_lib_ioctl,
855 	.hw_params =	snd_vt1724_pcm_hw_params,
856 	.hw_free =	snd_vt1724_pcm_hw_free,
857 	.prepare =	snd_vt1724_pcm_prepare,
858 	.trigger =	snd_vt1724_pcm_trigger,
859 	.pointer =	snd_vt1724_pcm_pointer,
860 };
861 
862 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 * ice, int device)
863 {
864 	struct snd_pcm *pcm;
865 	int err;
866 
867 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
868 	if (err < 0)
869 		return err;
870 
871 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
872 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
873 
874 	pcm->private_data = ice;
875 	pcm->info_flags = 0;
876 	strcpy(pcm->name, "ICE1724");
877 
878 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
879 					      snd_dma_pci_data(ice->pci),
880 					      256*1024, 256*1024);
881 
882 	ice->pcm_pro = pcm;
883 
884 	return 0;
885 }
886 
887 
888 /*
889  * SPDIF PCM
890  */
891 
892 static const struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
893 	.addr = VT1724_MT_PDMA4_ADDR,
894 	.size = VT1724_MT_PDMA4_SIZE,
895 	.count = VT1724_MT_PDMA4_COUNT,
896 	.start = VT1724_PDMA4_START,
897 };
898 
899 static const struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
900 	.addr = VT1724_MT_RDMA1_ADDR,
901 	.size = VT1724_MT_RDMA1_SIZE,
902 	.count = VT1724_MT_RDMA1_COUNT,
903 	.start = VT1724_RDMA1_START,
904 };
905 
906 /* update spdif control bits; call with reg_lock */
907 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
908 {
909 	unsigned char cbit, disabled;
910 
911 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
912 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
913 	if (cbit != disabled)
914 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
915 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
916 	if (cbit != disabled)
917 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
918 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
919 }
920 
921 /* update SPDIF control bits according to the given rate */
922 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
923 {
924 	unsigned int val, nval;
925 	unsigned long flags;
926 
927 	spin_lock_irqsave(&ice->reg_lock, flags);
928 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
929 	nval &= ~(7 << 12);
930 	switch (rate) {
931 	case 44100: break;
932 	case 48000: nval |= 2 << 12; break;
933 	case 32000: nval |= 3 << 12; break;
934 	case 88200: nval |= 4 << 12; break;
935 	case 96000: nval |= 5 << 12; break;
936 	case 192000: nval |= 6 << 12; break;
937 	case 176400: nval |= 7 << 12; break;
938 	}
939 	if (val != nval)
940 		update_spdif_bits(ice, nval);
941 	spin_unlock_irqrestore(&ice->reg_lock, flags);
942 }
943 
944 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
945 {
946 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
947 	if (! ice->force_pdma4)
948 		update_spdif_rate(ice, substream->runtime->rate);
949 	return snd_vt1724_pcm_prepare(substream);
950 }
951 
952 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
953 {
954 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
955 	struct snd_pcm_runtime *runtime = substream->runtime;
956 
957 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
958 	ice->playback_con_substream = substream;
959 	if (ice->force_pdma4) {
960 		runtime->hw = snd_vt1724_2ch_stereo;
961 		set_rate_constraints(ice, substream);
962 	} else
963 		runtime->hw = snd_vt1724_spdif;
964 	snd_pcm_set_sync(substream);
965 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
966 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
967 				   VT1724_BUFFER_ALIGN);
968 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
969 				   VT1724_BUFFER_ALIGN);
970 	return 0;
971 }
972 
973 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
974 {
975 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
976 
977 	if (PRO_RATE_RESET)
978 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
979 	ice->playback_con_substream = NULL;
980 
981 	return 0;
982 }
983 
984 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
985 {
986 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
987 	struct snd_pcm_runtime *runtime = substream->runtime;
988 
989 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
990 	ice->capture_con_substream = substream;
991 	if (ice->force_rdma1) {
992 		runtime->hw = snd_vt1724_2ch_stereo;
993 		set_rate_constraints(ice, substream);
994 	} else
995 		runtime->hw = snd_vt1724_spdif;
996 	snd_pcm_set_sync(substream);
997 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
998 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
999 				   VT1724_BUFFER_ALIGN);
1000 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1001 				   VT1724_BUFFER_ALIGN);
1002 	return 0;
1003 }
1004 
1005 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1006 {
1007 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1008 
1009 	if (PRO_RATE_RESET)
1010 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1011 	ice->capture_con_substream = NULL;
1012 
1013 	return 0;
1014 }
1015 
1016 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1017 	.open =		snd_vt1724_playback_spdif_open,
1018 	.close =	snd_vt1724_playback_spdif_close,
1019 	.ioctl =	snd_pcm_lib_ioctl,
1020 	.hw_params =	snd_vt1724_pcm_hw_params,
1021 	.hw_free =	snd_vt1724_pcm_hw_free,
1022 	.prepare =	snd_vt1724_playback_spdif_prepare,
1023 	.trigger =	snd_vt1724_pcm_trigger,
1024 	.pointer =	snd_vt1724_pcm_pointer,
1025 };
1026 
1027 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1028 	.open =		snd_vt1724_capture_spdif_open,
1029 	.close =	snd_vt1724_capture_spdif_close,
1030 	.ioctl =	snd_pcm_lib_ioctl,
1031 	.hw_params =	snd_vt1724_pcm_hw_params,
1032 	.hw_free =	snd_vt1724_pcm_hw_free,
1033 	.prepare =	snd_vt1724_pcm_prepare,
1034 	.trigger =	snd_vt1724_pcm_trigger,
1035 	.pointer =	snd_vt1724_pcm_pointer,
1036 };
1037 
1038 
1039 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 * ice, int device)
1040 {
1041 	char *name;
1042 	struct snd_pcm *pcm;
1043 	int play, capt;
1044 	int err;
1045 
1046 	if (ice->force_pdma4 ||
1047 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1048 		play = 1;
1049 		ice->has_spdif = 1;
1050 	} else
1051 		play = 0;
1052 	if (ice->force_rdma1 ||
1053 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1054 		capt = 1;
1055 		ice->has_spdif = 1;
1056 	} else
1057 		capt = 0;
1058 	if (! play && ! capt)
1059 		return 0; /* no spdif device */
1060 
1061 	if (ice->force_pdma4 || ice->force_rdma1)
1062 		name = "ICE1724 Secondary";
1063 	else
1064 		name = "IEC1724 IEC958";
1065 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1066 	if (err < 0)
1067 		return err;
1068 
1069 	if (play)
1070 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1071 				&snd_vt1724_playback_spdif_ops);
1072 	if (capt)
1073 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1074 				&snd_vt1724_capture_spdif_ops);
1075 
1076 	pcm->private_data = ice;
1077 	pcm->info_flags = 0;
1078 	strcpy(pcm->name, name);
1079 
1080 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1081 					      snd_dma_pci_data(ice->pci),
1082 					      64*1024, 64*1024);
1083 
1084 	ice->pcm = pcm;
1085 
1086 	return 0;
1087 }
1088 
1089 
1090 /*
1091  * independent surround PCMs
1092  */
1093 
1094 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1095 	{
1096 		.addr = VT1724_MT_PDMA1_ADDR,
1097 		.size = VT1724_MT_PDMA1_SIZE,
1098 		.count = VT1724_MT_PDMA1_COUNT,
1099 		.start = VT1724_PDMA1_START,
1100 	},
1101 	{
1102 		.addr = VT1724_MT_PDMA2_ADDR,
1103 		.size = VT1724_MT_PDMA2_SIZE,
1104 		.count = VT1724_MT_PDMA2_COUNT,
1105 		.start = VT1724_PDMA2_START,
1106 	},
1107 	{
1108 		.addr = VT1724_MT_PDMA3_ADDR,
1109 		.size = VT1724_MT_PDMA3_SIZE,
1110 		.count = VT1724_MT_PDMA3_COUNT,
1111 		.start = VT1724_PDMA3_START,
1112 	},
1113 };
1114 
1115 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1116 {
1117 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1118 	unsigned char val;
1119 
1120 	spin_lock_irq(&ice->reg_lock);
1121 	val = 3 - substream->number;
1122 	if (inb(ICEMT1724(ice, BURST)) < val)
1123 		outb(val, ICEMT1724(ice, BURST));
1124 	spin_unlock_irq(&ice->reg_lock);
1125 	return snd_vt1724_pcm_prepare(substream);
1126 }
1127 
1128 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1129 {
1130 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1131 	struct snd_pcm_runtime *runtime = substream->runtime;
1132 
1133 	mutex_lock(&ice->open_mutex);
1134 	/* already used by PDMA0? */
1135 	if (ice->pcm_reserved[substream->number]) {
1136 		mutex_unlock(&ice->open_mutex);
1137 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1138 	}
1139 	mutex_unlock(&ice->open_mutex);
1140 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1141 	ice->playback_con_substream_ds[substream->number] = substream;
1142 	runtime->hw = snd_vt1724_2ch_stereo;
1143 	snd_pcm_set_sync(substream);
1144 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1145 	set_rate_constraints(ice, substream);
1146 	return 0;
1147 }
1148 
1149 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1150 {
1151 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1152 
1153 	if (PRO_RATE_RESET)
1154 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1155 	ice->playback_con_substream_ds[substream->number] = NULL;
1156 	ice->pcm_reserved[substream->number] = NULL;
1157 
1158 	return 0;
1159 }
1160 
1161 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1162 	.open =		snd_vt1724_playback_indep_open,
1163 	.close =	snd_vt1724_playback_indep_close,
1164 	.ioctl =	snd_pcm_lib_ioctl,
1165 	.hw_params =	snd_vt1724_pcm_hw_params,
1166 	.hw_free =	snd_vt1724_pcm_hw_free,
1167 	.prepare =	snd_vt1724_playback_indep_prepare,
1168 	.trigger =	snd_vt1724_pcm_trigger,
1169 	.pointer =	snd_vt1724_pcm_pointer,
1170 };
1171 
1172 
1173 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 * ice, int device)
1174 {
1175 	struct snd_pcm *pcm;
1176 	int play;
1177 	int err;
1178 
1179 	play = ice->num_total_dacs / 2 - 1;
1180 	if (play <= 0)
1181 		return 0;
1182 
1183 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1184 	if (err < 0)
1185 		return err;
1186 
1187 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1188 			&snd_vt1724_playback_indep_ops);
1189 
1190 	pcm->private_data = ice;
1191 	pcm->info_flags = 0;
1192 	strcpy(pcm->name, "ICE1724 Surround PCM");
1193 
1194 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1195 					      snd_dma_pci_data(ice->pci),
1196 					      64*1024, 64*1024);
1197 
1198 	ice->pcm_ds = pcm;
1199 
1200 	return 0;
1201 }
1202 
1203 
1204 /*
1205  *  Mixer section
1206  */
1207 
1208 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 * ice)
1209 {
1210 	int err;
1211 
1212 	if (! (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1213 		struct snd_ac97_bus *pbus;
1214 		struct snd_ac97_template ac97;
1215 		static struct snd_ac97_bus_ops ops = {
1216 			.write = snd_vt1724_ac97_write,
1217 			.read = snd_vt1724_ac97_read,
1218 		};
1219 
1220 		/* cold reset */
1221 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1222 		mdelay(5); /* FIXME */
1223 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1224 
1225 		if ((err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus)) < 0)
1226 			return err;
1227 		memset(&ac97, 0, sizeof(ac97));
1228 		ac97.private_data = ice;
1229 		if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0)
1230 			printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1231 		else
1232 			return 0;
1233 	}
1234 	/* I2S mixer only */
1235 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1236 	return 0;
1237 }
1238 
1239 /*
1240  *
1241  */
1242 
1243 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1244 {
1245 	return (unsigned int)ice->eeprom.data[idx] | \
1246 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1247 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1248 }
1249 
1250 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1251 				 struct snd_info_buffer *buffer)
1252 {
1253 	struct snd_ice1712 *ice = entry->private_data;
1254 	unsigned int idx;
1255 
1256 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1257 	snd_iprintf(buffer, "EEPROM:\n");
1258 
1259 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1260 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1261 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1262 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1263 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1264 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1265 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1266 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1267 		    ice->eeprom.data[ICE_EEP2_I2S]);
1268 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1269 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1270 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1271 		    ice->eeprom.gpiodir);
1272 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1273 		    ice->eeprom.gpiomask);
1274 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1275 		    ice->eeprom.gpiostate);
1276 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1277 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1278 			    idx, ice->eeprom.data[idx]);
1279 
1280 	snd_iprintf(buffer, "\nRegisters:\n");
1281 
1282 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1283 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1284 	for (idx = 0x0; idx < 0x20 ; idx++)
1285 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1286 			    idx, inb(ice->port+idx));
1287 	for (idx = 0x0; idx < 0x30 ; idx++)
1288 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1289 			    idx, inb(ice->profi_port+idx));
1290 }
1291 
1292 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 * ice)
1293 {
1294 	struct snd_info_entry *entry;
1295 
1296 	if (! snd_card_proc_new(ice->card, "ice1724", &entry))
1297 		snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1298 }
1299 
1300 /*
1301  *
1302  */
1303 
1304 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1305 				  struct snd_ctl_elem_info *uinfo)
1306 {
1307 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1308 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1309 	return 0;
1310 }
1311 
1312 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1313 				 struct snd_ctl_elem_value *ucontrol)
1314 {
1315 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1316 
1317 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1318 	return 0;
1319 }
1320 
1321 static const struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1322 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1323 	.name = "ICE1724 EEPROM",
1324 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1325 	.info = snd_vt1724_eeprom_info,
1326 	.get = snd_vt1724_eeprom_get
1327 };
1328 
1329 /*
1330  */
1331 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1332 				 struct snd_ctl_elem_info *uinfo)
1333 {
1334 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1335 	uinfo->count = 1;
1336 	return 0;
1337 }
1338 
1339 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1340 {
1341 	unsigned int val, rbits;
1342 
1343 	val = diga->status[0] & 0x03; /* professional, non-audio */
1344 	if (val & 0x01) {
1345 		/* professional */
1346 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1347 		    IEC958_AES0_PRO_EMPHASIS_5015)
1348 			val |= 1U << 3;
1349 		rbits = (diga->status[4] >> 3) & 0x0f;
1350 		if (rbits) {
1351 			switch (rbits) {
1352 			case 2: val |= 5 << 12; break; /* 96k */
1353 			case 3: val |= 6 << 12; break; /* 192k */
1354 			case 10: val |= 4 << 12; break; /* 88.2k */
1355 			case 11: val |= 7 << 12; break; /* 176.4k */
1356 			}
1357 		} else {
1358 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1359 			case IEC958_AES0_PRO_FS_44100:
1360 				break;
1361 			case IEC958_AES0_PRO_FS_32000:
1362 				val |= 3U << 12;
1363 				break;
1364 			default:
1365 				val |= 2U << 12;
1366 				break;
1367 			}
1368 		}
1369 	} else {
1370 		/* consumer */
1371 		val |= diga->status[1] & 0x04; /* copyright */
1372 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1373 		    IEC958_AES0_CON_EMPHASIS_5015)
1374 			val |= 1U << 3;
1375 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1376 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1377 	}
1378 	return val;
1379 }
1380 
1381 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1382 {
1383 	memset(diga->status, 0, sizeof(diga->status));
1384 	diga->status[0] = val & 0x03; /* professional, non-audio */
1385 	if (val & 0x01) {
1386 		/* professional */
1387 		if (val & (1U << 3))
1388 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1389 		switch ((val >> 12) & 0x7) {
1390 		case 0:
1391 			break;
1392 		case 2:
1393 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1394 			break;
1395 		default:
1396 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1397 			break;
1398 		}
1399 	} else {
1400 		/* consumer */
1401 		diga->status[0] |= val & (1U << 2); /* copyright */
1402 		if (val & (1U << 3))
1403 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1404 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1405 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1406 	}
1407 }
1408 
1409 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1410 					struct snd_ctl_elem_value *ucontrol)
1411 {
1412 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1413 	unsigned int val;
1414 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1415 	decode_spdif_bits(&ucontrol->value.iec958, val);
1416 	return 0;
1417 }
1418 
1419 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1420 					 struct snd_ctl_elem_value *ucontrol)
1421 {
1422 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1423 	unsigned int val, old;
1424 
1425 	val = encode_spdif_bits(&ucontrol->value.iec958);
1426 	spin_lock_irq(&ice->reg_lock);
1427 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1428 	if (val != old)
1429 		update_spdif_bits(ice, val);
1430 	spin_unlock_irq(&ice->reg_lock);
1431 	return (val != old);
1432 }
1433 
1434 static const struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1435 {
1436 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1437 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1438 	.info =		snd_vt1724_spdif_info,
1439 	.get =		snd_vt1724_spdif_default_get,
1440 	.put =		snd_vt1724_spdif_default_put
1441 };
1442 
1443 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1444 				       struct snd_ctl_elem_value *ucontrol)
1445 {
1446 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1447 						     IEC958_AES0_PROFESSIONAL |
1448 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1449 						     IEC958_AES0_CON_EMPHASIS;
1450 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1451 						     IEC958_AES1_CON_CATEGORY;
1452 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1453 	return 0;
1454 }
1455 
1456 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1457 				       struct snd_ctl_elem_value *ucontrol)
1458 {
1459 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1460 						     IEC958_AES0_PROFESSIONAL |
1461 						     IEC958_AES0_PRO_FS |
1462 						     IEC958_AES0_PRO_EMPHASIS;
1463 	return 0;
1464 }
1465 
1466 static const struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1467 {
1468 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1469 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1470 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1471 	.info =		snd_vt1724_spdif_info,
1472 	.get =		snd_vt1724_spdif_maskc_get,
1473 };
1474 
1475 static const struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1476 {
1477 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1478 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1479 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1480 	.info =		snd_vt1724_spdif_info,
1481 	.get =		snd_vt1724_spdif_maskp_get,
1482 };
1483 
1484 static int snd_vt1724_spdif_sw_info(struct snd_kcontrol *kcontrol,
1485 				    struct snd_ctl_elem_info *uinfo)
1486 {
1487 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1488 	uinfo->count = 1;
1489 	uinfo->value.integer.min = 0;
1490 	uinfo->value.integer.max = 1;
1491 	return 0;
1492 }
1493 
1494 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1495 				   struct snd_ctl_elem_value *ucontrol)
1496 {
1497 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1498 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1499 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1500 	return 0;
1501 }
1502 
1503 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1504 				   struct snd_ctl_elem_value *ucontrol)
1505 {
1506 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1507 	unsigned char old, val;
1508 
1509 	spin_lock_irq(&ice->reg_lock);
1510 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1511 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1512 	if (ucontrol->value.integer.value[0])
1513 		val |= VT1724_CFG_SPDIF_OUT_EN;
1514 	if (old != val)
1515 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1516 	spin_unlock_irq(&ice->reg_lock);
1517 	return old != val;
1518 }
1519 
1520 static const struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1521 {
1522 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1523 	/* FIXME: the following conflict with IEC958 Playback Route */
1524 	// .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1525 	.name =         SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH),
1526 	.info =		snd_vt1724_spdif_sw_info,
1527 	.get =		snd_vt1724_spdif_sw_get,
1528 	.put =		snd_vt1724_spdif_sw_put
1529 };
1530 
1531 
1532 #if 0 /* NOT USED YET */
1533 /*
1534  * GPIO access from extern
1535  */
1536 
1537 int snd_vt1724_gpio_info(struct snd_kcontrol *kcontrol,
1538 			 struct snd_ctl_elem_info *uinfo)
1539 {
1540 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1541 	uinfo->count = 1;
1542 	uinfo->value.integer.min = 0;
1543 	uinfo->value.integer.max = 1;
1544 	return 0;
1545 }
1546 
1547 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1548 			struct snd_ctl_elem_value *ucontrol)
1549 {
1550 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1551 	int shift = kcontrol->private_value & 0xff;
1552 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1553 
1554 	snd_ice1712_save_gpio_status(ice);
1555 	ucontrol->value.integer.value[0] =
1556 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1557 	snd_ice1712_restore_gpio_status(ice);
1558 	return 0;
1559 }
1560 
1561 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1562 			 struct snd_ctl_elem_value *ucontrol)
1563 {
1564 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1565 	int shift = kcontrol->private_value & 0xff;
1566 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1567 	unsigned int val, nval;
1568 
1569 	if (kcontrol->private_value & (1 << 31))
1570 		return -EPERM;
1571 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1572 	snd_ice1712_save_gpio_status(ice);
1573 	val = snd_ice1712_gpio_read(ice);
1574 	nval |= val & ~(1 << shift);
1575 	if (val != nval)
1576 		snd_ice1712_gpio_write(ice, nval);
1577 	snd_ice1712_restore_gpio_status(ice);
1578 	return val != nval;
1579 }
1580 #endif /* NOT USED YET */
1581 
1582 /*
1583  *  rate
1584  */
1585 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1586 					      struct snd_ctl_elem_info *uinfo)
1587 {
1588 	static const char * const texts_1724[] = {
1589 		"8000",		/* 0: 6 */
1590 		"9600",		/* 1: 3 */
1591 		"11025",	/* 2: 10 */
1592 		"12000",	/* 3: 2 */
1593 		"16000",	/* 4: 5 */
1594 		"22050",	/* 5: 9 */
1595 		"24000",	/* 6: 1 */
1596 		"32000",	/* 7: 4 */
1597 		"44100",	/* 8: 8 */
1598 		"48000",	/* 9: 0 */
1599 		"64000",	/* 10: 15 */
1600 		"88200",	/* 11: 11 */
1601 		"96000",	/* 12: 7 */
1602 		"176400",	/* 13: 12 */
1603 		"192000",	/* 14: 14 */
1604 		"IEC958 Input",	/* 15: -- */
1605 	};
1606 	static const char * const texts_1720[] = {
1607 		"8000",		/* 0: 6 */
1608 		"9600",		/* 1: 3 */
1609 		"11025",	/* 2: 10 */
1610 		"12000",	/* 3: 2 */
1611 		"16000",	/* 4: 5 */
1612 		"22050",	/* 5: 9 */
1613 		"24000",	/* 6: 1 */
1614 		"32000",	/* 7: 4 */
1615 		"44100",	/* 8: 8 */
1616 		"48000",	/* 9: 0 */
1617 		"64000",	/* 10: 15 */
1618 		"88200",	/* 11: 11 */
1619 		"96000",	/* 12: 7 */
1620 		"IEC958 Input",	/* 13: -- */
1621 	};
1622 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1623 
1624 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1625 	uinfo->count = 1;
1626 	uinfo->value.enumerated.items = ice->vt1720 ? 14 : 16;
1627 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1628 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1629 	strcpy(uinfo->value.enumerated.name,
1630 	       ice->vt1720 ? texts_1720[uinfo->value.enumerated.item] :
1631 	       texts_1724[uinfo->value.enumerated.item]);
1632 	return 0;
1633 }
1634 
1635 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1636 					     struct snd_ctl_elem_value *ucontrol)
1637 {
1638 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1639 	static const unsigned char xlate[16] = {
1640 		9, 6, 3, 1, 7, 4, 0, 12, 8, 5, 2, 11, 13, 255, 14, 10
1641 	};
1642 	unsigned char val;
1643 
1644 	spin_lock_irq(&ice->reg_lock);
1645 	if (is_spdif_master(ice)) {
1646 		ucontrol->value.enumerated.item[0] = ice->vt1720 ? 13 : 15;
1647 	} else {
1648 		val = xlate[inb(ICEMT1724(ice, RATE)) & 15];
1649 		if (val == 255) {
1650 			snd_BUG();
1651 			val = 0;
1652 		}
1653 		ucontrol->value.enumerated.item[0] = val;
1654 	}
1655 	spin_unlock_irq(&ice->reg_lock);
1656 	return 0;
1657 }
1658 
1659 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1660 					     struct snd_ctl_elem_value *ucontrol)
1661 {
1662 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1663 	unsigned char oval;
1664 	int rate;
1665 	int change = 0;
1666 	int spdif = ice->vt1720 ? 13 : 15;
1667 
1668 	spin_lock_irq(&ice->reg_lock);
1669 	oval = inb(ICEMT1724(ice, RATE));
1670 	if (ucontrol->value.enumerated.item[0] == spdif) {
1671 		outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1672 	} else {
1673 		rate = rates[ucontrol->value.integer.value[0] % 15];
1674 		if (rate <= get_max_rate(ice)) {
1675 			PRO_RATE_DEFAULT = rate;
1676 			spin_unlock_irq(&ice->reg_lock);
1677 			snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 1);
1678 			spin_lock_irq(&ice->reg_lock);
1679 		}
1680 	}
1681 	change = inb(ICEMT1724(ice, RATE)) != oval;
1682 	spin_unlock_irq(&ice->reg_lock);
1683 
1684 	if ((oval & VT1724_SPDIF_MASTER) !=
1685 	    (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER)) {
1686 		/* notify akm chips as well */
1687 		if (is_spdif_master(ice)) {
1688 			unsigned int i;
1689 			for (i = 0; i < ice->akm_codecs; i++) {
1690 				if (ice->akm[i].ops.set_rate_val)
1691 					ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1692 			}
1693 		}
1694 	}
1695 	return change;
1696 }
1697 
1698 static const struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1699 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1700 	.name = "Multi Track Internal Clock",
1701 	.info = snd_vt1724_pro_internal_clock_info,
1702 	.get = snd_vt1724_pro_internal_clock_get,
1703 	.put = snd_vt1724_pro_internal_clock_put
1704 };
1705 
1706 static int snd_vt1724_pro_rate_locking_info(struct snd_kcontrol *kcontrol,
1707 					    struct snd_ctl_elem_info *uinfo)
1708 {
1709 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1710 	uinfo->count = 1;
1711 	uinfo->value.integer.min = 0;
1712 	uinfo->value.integer.max = 1;
1713 	return 0;
1714 }
1715 
1716 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1717 					   struct snd_ctl_elem_value *ucontrol)
1718 {
1719 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1720 	return 0;
1721 }
1722 
1723 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1724 					   struct snd_ctl_elem_value *ucontrol)
1725 {
1726 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1727 	int change = 0, nval;
1728 
1729 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1730 	spin_lock_irq(&ice->reg_lock);
1731 	change = PRO_RATE_LOCKED != nval;
1732 	PRO_RATE_LOCKED = nval;
1733 	spin_unlock_irq(&ice->reg_lock);
1734 	return change;
1735 }
1736 
1737 static const struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1738 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1739 	.name = "Multi Track Rate Locking",
1740 	.info = snd_vt1724_pro_rate_locking_info,
1741 	.get = snd_vt1724_pro_rate_locking_get,
1742 	.put = snd_vt1724_pro_rate_locking_put
1743 };
1744 
1745 static int snd_vt1724_pro_rate_reset_info(struct snd_kcontrol *kcontrol,
1746 					  struct snd_ctl_elem_info *uinfo)
1747 {
1748 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1749 	uinfo->count = 1;
1750 	uinfo->value.integer.min = 0;
1751 	uinfo->value.integer.max = 1;
1752 	return 0;
1753 }
1754 
1755 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1756 					 struct snd_ctl_elem_value *ucontrol)
1757 {
1758 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1759 	return 0;
1760 }
1761 
1762 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1763 					 struct snd_ctl_elem_value *ucontrol)
1764 {
1765 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1766 	int change = 0, nval;
1767 
1768 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1769 	spin_lock_irq(&ice->reg_lock);
1770 	change = PRO_RATE_RESET != nval;
1771 	PRO_RATE_RESET = nval;
1772 	spin_unlock_irq(&ice->reg_lock);
1773 	return change;
1774 }
1775 
1776 static const struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1777 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1778 	.name = "Multi Track Rate Reset",
1779 	.info = snd_vt1724_pro_rate_reset_info,
1780 	.get = snd_vt1724_pro_rate_reset_get,
1781 	.put = snd_vt1724_pro_rate_reset_put
1782 };
1783 
1784 
1785 /*
1786  * routing
1787  */
1788 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1789 				     struct snd_ctl_elem_info *uinfo)
1790 {
1791 	static char *texts[] = {
1792 		"PCM Out", /* 0 */
1793 		"H/W In 0", "H/W In 1", /* 1-2 */
1794 		"IEC958 In L", "IEC958 In R", /* 3-4 */
1795 	};
1796 
1797 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1798 	uinfo->count = 1;
1799 	uinfo->value.enumerated.items = 5;
1800 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1801 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1802 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1803 	return 0;
1804 }
1805 
1806 static inline int analog_route_shift(int idx)
1807 {
1808 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1809 }
1810 
1811 static inline int digital_route_shift(int idx)
1812 {
1813 	return idx * 3;
1814 }
1815 
1816 static int get_route_val(struct snd_ice1712 *ice, int shift)
1817 {
1818 	unsigned long val;
1819 	unsigned char eitem;
1820 	static const unsigned char xlate[8] = {
1821 		0, 255, 1, 2, 255, 255, 3, 4,
1822 	};
1823 
1824 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1825 	val >>= shift;
1826 	val &= 7;	//we now have 3 bits per output
1827 	eitem = xlate[val];
1828 	if (eitem == 255) {
1829 		snd_BUG();
1830 		return 0;
1831 	}
1832 	return eitem;
1833 }
1834 
1835 static int put_route_val(struct snd_ice1712 *ice, unsigned int val, int shift)
1836 {
1837 	unsigned int old_val, nval;
1838 	int change;
1839 	static const unsigned char xroute[8] = {
1840 		0, /* PCM */
1841 		2, /* PSDIN0 Left */
1842 		3, /* PSDIN0 Right */
1843 		6, /* SPDIN Left */
1844 		7, /* SPDIN Right */
1845 	};
1846 
1847 	nval = xroute[val % 5];
1848 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1849 	val &= ~(0x07 << shift);
1850 	val |= nval << shift;
1851 	change = val != old_val;
1852 	if (change)
1853 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1854 	return change;
1855 }
1856 
1857 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
1858 					   struct snd_ctl_elem_value *ucontrol)
1859 {
1860 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1861 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1862 	ucontrol->value.enumerated.item[0] =
1863 		get_route_val(ice, analog_route_shift(idx));
1864 	return 0;
1865 }
1866 
1867 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
1868 					   struct snd_ctl_elem_value *ucontrol)
1869 {
1870 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1871 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1872 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1873 			     analog_route_shift(idx));
1874 }
1875 
1876 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
1877 					  struct snd_ctl_elem_value *ucontrol)
1878 {
1879 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1880 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1881 	ucontrol->value.enumerated.item[0] =
1882 		get_route_val(ice, digital_route_shift(idx));
1883 	return 0;
1884 }
1885 
1886 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
1887 					  struct snd_ctl_elem_value *ucontrol)
1888 {
1889 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1890 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1891 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1892 			     digital_route_shift(idx));
1893 }
1894 
1895 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata = {
1896 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1897 	.name = "H/W Playback Route",
1898 	.info = snd_vt1724_pro_route_info,
1899 	.get = snd_vt1724_pro_route_analog_get,
1900 	.put = snd_vt1724_pro_route_analog_put,
1901 };
1902 
1903 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
1904 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1905 	.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Route",
1906 	.info = snd_vt1724_pro_route_info,
1907 	.get = snd_vt1724_pro_route_spdif_get,
1908 	.put = snd_vt1724_pro_route_spdif_put,
1909 	.count = 2,
1910 };
1911 
1912 
1913 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
1914 				    struct snd_ctl_elem_info *uinfo)
1915 {
1916 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1917 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
1918 	uinfo->value.integer.min = 0;
1919 	uinfo->value.integer.max = 255;
1920 	return 0;
1921 }
1922 
1923 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
1924 				   struct snd_ctl_elem_value *ucontrol)
1925 {
1926 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1927 	int idx;
1928 
1929 	spin_lock_irq(&ice->reg_lock);
1930 	for (idx = 0; idx < 22; idx++) {
1931 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
1932 		ucontrol->value.integer.value[idx] =
1933 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
1934 	}
1935 	spin_unlock_irq(&ice->reg_lock);
1936 	return 0;
1937 }
1938 
1939 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
1940 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1941 	.name = "Multi Track Peak",
1942 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1943 	.info = snd_vt1724_pro_peak_info,
1944 	.get = snd_vt1724_pro_peak_get
1945 };
1946 
1947 /*
1948  *
1949  */
1950 
1951 static const struct snd_ice1712_card_info no_matched __devinitdata;
1952 
1953 static const struct snd_ice1712_card_info *card_tables[] __devinitdata = {
1954 	snd_vt1724_revo_cards,
1955 	snd_vt1724_amp_cards,
1956 	snd_vt1724_aureon_cards,
1957 	snd_vt1720_mobo_cards,
1958 	snd_vt1720_pontis_cards,
1959 	snd_vt1724_prodigy192_cards,
1960 	snd_vt1724_juli_cards,
1961 	snd_vt1724_phase_cards,
1962 	snd_vt1724_wtm_cards,
1963 	NULL,
1964 };
1965 
1966 
1967 /*
1968  */
1969 
1970 static void wait_i2c_busy(struct snd_ice1712 *ice)
1971 {
1972 	int t = 0x10000;
1973 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
1974 		;
1975 	if (t == -1)
1976 		printk(KERN_ERR "ice1724: i2c busy timeout\n");
1977 }
1978 
1979 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
1980 				  unsigned char dev, unsigned char addr)
1981 {
1982 	unsigned char val;
1983 
1984 	mutex_lock(&ice->i2c_mutex);
1985 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1986 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1987 	wait_i2c_busy(ice);
1988 	val = inb(ICEREG1724(ice, I2C_DATA));
1989 	mutex_unlock(&ice->i2c_mutex);
1990 	//printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
1991 	return val;
1992 }
1993 
1994 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
1995 			  unsigned char dev, unsigned char addr, unsigned char data)
1996 {
1997 	mutex_lock(&ice->i2c_mutex);
1998 	wait_i2c_busy(ice);
1999 	//printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2000 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2001 	outb(data, ICEREG1724(ice, I2C_DATA));
2002 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2003 	wait_i2c_busy(ice);
2004 	mutex_unlock(&ice->i2c_mutex);
2005 }
2006 
2007 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2008 					    const char *modelname)
2009 {
2010 	const int dev = 0xa0;		/* EEPROM device address */
2011 	unsigned int i, size;
2012 	const struct snd_ice1712_card_info **tbl, *c;
2013 
2014 	if (! modelname || ! *modelname) {
2015 		ice->eeprom.subvendor = 0;
2016 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2017 			ice->eeprom.subvendor =
2018 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2019 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2020 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2021 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2022 		if (ice->eeprom.subvendor == 0 ||
2023 		    ice->eeprom.subvendor == (unsigned int)-1) {
2024 			/* invalid subvendor from EEPROM, try the PCI
2025 			 * subststem ID instead
2026 			 */
2027 			u16 vendor, device;
2028 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2029 					     &vendor);
2030 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2031 			ice->eeprom.subvendor =
2032 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2033 			if (ice->eeprom.subvendor == 0 ||
2034 			    ice->eeprom.subvendor == (unsigned int)-1) {
2035 				printk(KERN_ERR "ice1724: No valid ID is found\n");
2036 				return -ENXIO;
2037 			}
2038 		}
2039 	}
2040 	for (tbl = card_tables; *tbl; tbl++) {
2041 		for (c = *tbl; c->subvendor; c++) {
2042 			if (modelname && c->model &&
2043 			    ! strcmp(modelname, c->model)) {
2044 				printk(KERN_INFO "ice1724: Using board model %s\n",
2045 				       c->name);
2046 				ice->eeprom.subvendor = c->subvendor;
2047 			} else if (c->subvendor != ice->eeprom.subvendor)
2048 				continue;
2049 			if (! c->eeprom_size || ! c->eeprom_data)
2050 				goto found;
2051 			/* if the EEPROM is given by the driver, use it */
2052 			snd_printdd("using the defined eeprom..\n");
2053 			ice->eeprom.version = 2;
2054 			ice->eeprom.size = c->eeprom_size + 6;
2055 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2056 			goto read_skipped;
2057 		}
2058 	}
2059 	printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2060 	       ice->eeprom.subvendor);
2061 
2062  found:
2063 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2064 	if (ice->eeprom.size < 6)
2065 		ice->eeprom.size = 32;
2066 	else if (ice->eeprom.size > 32) {
2067 		printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2068 		       ice->eeprom.size);
2069 		return -EIO;
2070 	}
2071 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2072 	if (ice->eeprom.version != 2)
2073 		printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2074 		       ice->eeprom.version);
2075 	size = ice->eeprom.size - 6;
2076 	for (i = 0; i < size; i++)
2077 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2078 
2079  read_skipped:
2080 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2081 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2082 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2083 
2084 	return 0;
2085 }
2086 
2087 
2088 
2089 static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice)
2090 {
2091 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2092 	udelay(200);
2093 	outb(0, ICEREG1724(ice, CONTROL));
2094 	udelay(200);
2095 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2096 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2097 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2098 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2099 
2100 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2101 	ice->gpio.direction = ice->eeprom.gpiodir;
2102 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2103 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2104 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2105 
2106 	outb(0, ICEREG1724(ice, POWERDOWN));
2107 
2108 	return 0;
2109 }
2110 
2111 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2112 {
2113 	int err;
2114 	struct snd_kcontrol *kctl;
2115 
2116 	snd_assert(ice->pcm != NULL, return -EIO);
2117 
2118 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2119 	if (err < 0)
2120 		return err;
2121 
2122 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2123 	if (err < 0)
2124 		return err;
2125 
2126 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2127 	if (err < 0)
2128 		return err;
2129 	kctl->id.device = ice->pcm->device;
2130 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2131 	if (err < 0)
2132 		return err;
2133 	kctl->id.device = ice->pcm->device;
2134 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2135 	if (err < 0)
2136 		return err;
2137 	kctl->id.device = ice->pcm->device;
2138 #if 0 /* use default only */
2139 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2140 	if (err < 0)
2141 		return err;
2142 	kctl->id.device = ice->pcm->device;
2143 	ice->spdif.stream_ctl = kctl;
2144 #endif
2145 	return 0;
2146 }
2147 
2148 
2149 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2150 {
2151 	int err;
2152 
2153 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2154 	if (err < 0)
2155 		return err;
2156 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2157 	if (err < 0)
2158 		return err;
2159 
2160 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2161 	if (err < 0)
2162 		return err;
2163 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2164 	if (err < 0)
2165 		return err;
2166 
2167 	if (ice->num_total_dacs > 0) {
2168 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2169 		tmp.count = ice->num_total_dacs;
2170 		if (ice->vt1720 && tmp.count > 2)
2171 			tmp.count = 2;
2172 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2173 		if (err < 0)
2174 			return err;
2175 	}
2176 
2177 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2178 	if (err < 0)
2179 		return err;
2180 
2181 	return 0;
2182 }
2183 
2184 static int snd_vt1724_free(struct snd_ice1712 *ice)
2185 {
2186 	if (! ice->port)
2187 		goto __hw_end;
2188 	/* mask all interrupts */
2189 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2190 	outb(0xff, ICEREG1724(ice, IRQMASK));
2191 	/* --- */
2192       __hw_end:
2193 	if (ice->irq >= 0) {
2194 		synchronize_irq(ice->irq);
2195 		free_irq(ice->irq, ice);
2196 	}
2197 	pci_release_regions(ice->pci);
2198 	snd_ice1712_akm4xxx_free(ice);
2199 	pci_disable_device(ice->pci);
2200 	kfree(ice);
2201 	return 0;
2202 }
2203 
2204 static int snd_vt1724_dev_free(struct snd_device *device)
2205 {
2206 	struct snd_ice1712 *ice = device->device_data;
2207 	return snd_vt1724_free(ice);
2208 }
2209 
2210 static int __devinit snd_vt1724_create(struct snd_card *card,
2211 				       struct pci_dev *pci,
2212 				       const char *modelname,
2213 				       struct snd_ice1712 ** r_ice1712)
2214 {
2215 	struct snd_ice1712 *ice;
2216 	int err;
2217 	unsigned char mask;
2218 	static struct snd_device_ops ops = {
2219 		.dev_free =	snd_vt1724_dev_free,
2220 	};
2221 
2222 	*r_ice1712 = NULL;
2223 
2224         /* enable PCI device */
2225 	if ((err = pci_enable_device(pci)) < 0)
2226 		return err;
2227 
2228 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2229 	if (ice == NULL) {
2230 		pci_disable_device(pci);
2231 		return -ENOMEM;
2232 	}
2233 	ice->vt1724 = 1;
2234 	spin_lock_init(&ice->reg_lock);
2235 	mutex_init(&ice->gpio_mutex);
2236 	mutex_init(&ice->open_mutex);
2237 	mutex_init(&ice->i2c_mutex);
2238 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2239 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2240 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2241 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2242 	ice->card = card;
2243 	ice->pci = pci;
2244 	ice->irq = -1;
2245 	pci_set_master(pci);
2246 	snd_vt1724_proc_init(ice);
2247 	synchronize_irq(pci->irq);
2248 
2249 	if ((err = pci_request_regions(pci, "ICE1724")) < 0) {
2250 		kfree(ice);
2251 		pci_disable_device(pci);
2252 		return err;
2253 	}
2254 	ice->port = pci_resource_start(pci, 0);
2255 	ice->profi_port = pci_resource_start(pci, 1);
2256 
2257 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2258 			IRQF_SHARED, "ICE1724", ice)) {
2259 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2260 		snd_vt1724_free(ice);
2261 		return -EIO;
2262 	}
2263 
2264 	ice->irq = pci->irq;
2265 
2266 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2267 		snd_vt1724_free(ice);
2268 		return -EIO;
2269 	}
2270 	if (snd_vt1724_chip_init(ice) < 0) {
2271 		snd_vt1724_free(ice);
2272 		return -EIO;
2273 	}
2274 
2275 	/* unmask used interrupts */
2276 	if (! (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401))
2277 		mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2278 	else
2279 		mask = 0;
2280 	outb(mask, ICEREG1724(ice, IRQMASK));
2281 	/* don't handle FIFO overrun/underruns (just yet),
2282 	 * since they cause machine lockups
2283 	 */
2284 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2285 
2286 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops)) < 0) {
2287 		snd_vt1724_free(ice);
2288  		return err;
2289 	}
2290 
2291 	snd_card_set_dev(card, &pci->dev);
2292 
2293 	*r_ice1712 = ice;
2294 	return 0;
2295 }
2296 
2297 
2298 /*
2299  *
2300  * Registration
2301  *
2302  */
2303 
2304 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2305 				      const struct pci_device_id *pci_id)
2306 {
2307 	static int dev;
2308 	struct snd_card *card;
2309 	struct snd_ice1712 *ice;
2310 	int pcm_dev = 0, err;
2311 	const struct snd_ice1712_card_info **tbl, *c;
2312 
2313 	if (dev >= SNDRV_CARDS)
2314 		return -ENODEV;
2315 	if (!enable[dev]) {
2316 		dev++;
2317 		return -ENOENT;
2318 	}
2319 
2320 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2321 	if (card == NULL)
2322 		return -ENOMEM;
2323 
2324 	strcpy(card->driver, "ICE1724");
2325 	strcpy(card->shortname, "ICEnsemble ICE1724");
2326 
2327 	if ((err = snd_vt1724_create(card, pci, model[dev], &ice)) < 0) {
2328 		snd_card_free(card);
2329 		return err;
2330 	}
2331 
2332 	for (tbl = card_tables; *tbl; tbl++) {
2333 		for (c = *tbl; c->subvendor; c++) {
2334 			if (c->subvendor == ice->eeprom.subvendor) {
2335 				strcpy(card->shortname, c->name);
2336 				if (c->driver) /* specific driver? */
2337 					strcpy(card->driver, c->driver);
2338 				if (c->chip_init) {
2339 					if ((err = c->chip_init(ice)) < 0) {
2340 						snd_card_free(card);
2341 						return err;
2342 					}
2343 				}
2344 				goto __found;
2345 			}
2346 		}
2347 	}
2348 	c = &no_matched;
2349  __found:
2350 
2351 	if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
2352 		snd_card_free(card);
2353 		return err;
2354 	}
2355 
2356 	if ((err = snd_vt1724_pcm_spdif(ice, pcm_dev++)) < 0) {
2357 		snd_card_free(card);
2358 		return err;
2359 	}
2360 
2361 	if ((err = snd_vt1724_pcm_indep(ice, pcm_dev++)) < 0) {
2362 		snd_card_free(card);
2363 		return err;
2364 	}
2365 
2366 	if ((err = snd_vt1724_ac97_mixer(ice)) < 0) {
2367 		snd_card_free(card);
2368 		return err;
2369 	}
2370 
2371 	if ((err = snd_vt1724_build_controls(ice)) < 0) {
2372 		snd_card_free(card);
2373 		return err;
2374 	}
2375 
2376 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2377 		if ((err = snd_vt1724_spdif_build_controls(ice)) < 0) {
2378 			snd_card_free(card);
2379 			return err;
2380 		}
2381 	}
2382 
2383 	if (c->build_controls) {
2384 		if ((err = c->build_controls(ice)) < 0) {
2385 			snd_card_free(card);
2386 			return err;
2387 		}
2388 	}
2389 
2390 	if (! c->no_mpu401) {
2391 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2392 			if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ICE1712,
2393 						       ICEREG1724(ice, MPU_CTRL),
2394 						       MPU401_INFO_INTEGRATED,
2395 						       ice->irq, 0,
2396 						       &ice->rmidi[0])) < 0) {
2397 				snd_card_free(card);
2398 				return err;
2399 			}
2400 		}
2401 	}
2402 
2403 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2404 		card->shortname, ice->port, ice->irq);
2405 
2406 	if ((err = snd_card_register(card)) < 0) {
2407 		snd_card_free(card);
2408 		return err;
2409 	}
2410 	pci_set_drvdata(pci, card);
2411 	dev++;
2412 	return 0;
2413 }
2414 
2415 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2416 {
2417 	snd_card_free(pci_get_drvdata(pci));
2418 	pci_set_drvdata(pci, NULL);
2419 }
2420 
2421 static struct pci_driver driver = {
2422 	.name = "ICE1724",
2423 	.id_table = snd_vt1724_ids,
2424 	.probe = snd_vt1724_probe,
2425 	.remove = __devexit_p(snd_vt1724_remove),
2426 };
2427 
2428 static int __init alsa_card_ice1724_init(void)
2429 {
2430 	return pci_register_driver(&driver);
2431 }
2432 
2433 static void __exit alsa_card_ice1724_exit(void)
2434 {
2435 	pci_unregister_driver(&driver);
2436 }
2437 
2438 module_init(alsa_card_ice1724_init)
2439 module_exit(alsa_card_ice1724_exit)
2440