xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision 1da177e4)
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 <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 "juli.h"
51 #include "phase.h"
52 
53 
54 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
55 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
56 MODULE_LICENSE("GPL");
57 MODULE_SUPPORTED_DEVICE("{"
58 	       REVO_DEVICE_DESC
59 	       AMP_AUDIO2000_DEVICE_DESC
60 	       AUREON_DEVICE_DESC
61 	       VT1720_MOBO_DEVICE_DESC
62 	       PONTIS_DEVICE_DESC
63 	       PRODIGY192_DEVICE_DESC
64 	       JULI_DEVICE_DESC
65 	       PHASE_DEVICE_DESC
66 		"{VIA,VT1720},"
67 		"{VIA,VT1724},"
68 		"{ICEnsemble,Generic ICE1724},"
69 		"{ICEnsemble,Generic Envy24HT}"
70 		"{ICEnsemble,Generic Envy24PT}}");
71 
72 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
73 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
74 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
75 static char *model[SNDRV_CARDS];
76 
77 module_param_array(index, int, NULL, 0444);
78 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
79 module_param_array(id, charp, NULL, 0444);
80 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
81 module_param_array(enable, bool, NULL, 0444);
82 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
83 module_param_array(model, charp, NULL, 0444);
84 MODULE_PARM_DESC(model, "Use the given board model.");
85 
86 #ifndef PCI_VENDOR_ID_ICE
87 #define PCI_VENDOR_ID_ICE		0x1412
88 #endif
89 #ifndef PCI_DEVICE_ID_VT1724
90 #define PCI_DEVICE_ID_VT1724		0x1724
91 #endif
92 
93 /* Both VT1720 and VT1724 have the same PCI IDs */
94 static struct pci_device_id snd_vt1724_ids[] = {
95 	{ PCI_VENDOR_ID_ICE, PCI_DEVICE_ID_VT1724, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
96 	{ 0, }
97 };
98 
99 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
100 
101 
102 static int PRO_RATE_LOCKED;
103 static int PRO_RATE_RESET = 1;
104 static unsigned int PRO_RATE_DEFAULT = 44100;
105 
106 /*
107  *  Basic I/O
108  */
109 
110 /* check whether the clock mode is spdif-in */
111 static inline int is_spdif_master(ice1712_t *ice)
112 {
113 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
114 }
115 
116 static inline int is_pro_rate_locked(ice1712_t *ice)
117 {
118 	return is_spdif_master(ice) || PRO_RATE_LOCKED;
119 }
120 
121 /*
122  * ac97 section
123  */
124 
125 static unsigned char snd_vt1724_ac97_ready(ice1712_t *ice)
126 {
127 	unsigned char old_cmd;
128 	int tm;
129 	for (tm = 0; tm < 0x10000; tm++) {
130 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
131 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
132 			continue;
133 		if (!(old_cmd & VT1724_AC97_READY))
134 			continue;
135 		return old_cmd;
136 	}
137 	snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
138 	return old_cmd;
139 }
140 
141 static int snd_vt1724_ac97_wait_bit(ice1712_t *ice, unsigned char bit)
142 {
143 	int tm;
144 	for (tm = 0; tm < 0x10000; tm++)
145 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
146 			return 0;
147 	snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
148 	return -EIO;
149 }
150 
151 static void snd_vt1724_ac97_write(ac97_t *ac97,
152 				  unsigned short reg,
153 				  unsigned short val)
154 {
155 	ice1712_t *ice = (ice1712_t *)ac97->private_data;
156 	unsigned char old_cmd;
157 
158 	old_cmd = snd_vt1724_ac97_ready(ice);
159 	old_cmd &= ~VT1724_AC97_ID_MASK;
160 	old_cmd |= ac97->num;
161 	outb(reg, ICEMT1724(ice, AC97_INDEX));
162 	outw(val, ICEMT1724(ice, AC97_DATA));
163 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
164 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
165 }
166 
167 static unsigned short snd_vt1724_ac97_read(ac97_t *ac97, unsigned short reg)
168 {
169 	ice1712_t *ice = (ice1712_t *)ac97->private_data;
170 	unsigned char old_cmd;
171 
172 	old_cmd = snd_vt1724_ac97_ready(ice);
173 	old_cmd &= ~VT1724_AC97_ID_MASK;
174 	old_cmd |= ac97->num;
175 	outb(reg, ICEMT1724(ice, AC97_INDEX));
176 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
177 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
178 		return ~0;
179 	return inw(ICEMT1724(ice, AC97_DATA));
180 }
181 
182 
183 /*
184  * GPIO operations
185  */
186 
187 /* set gpio direction 0 = read, 1 = write */
188 static void snd_vt1724_set_gpio_dir(ice1712_t *ice, unsigned int data)
189 {
190 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
191 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
192 }
193 
194 /* set the gpio mask (0 = writable) */
195 static void snd_vt1724_set_gpio_mask(ice1712_t *ice, unsigned int data)
196 {
197 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
198 	if (! ice->vt1720) /* VT1720 supports only 16 GPIO bits */
199 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
200 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
201 }
202 
203 static void snd_vt1724_set_gpio_data(ice1712_t *ice, unsigned int data)
204 {
205 	outw(data, ICEREG1724(ice, GPIO_DATA));
206 	if (! ice->vt1720)
207 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
208 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
209 }
210 
211 static unsigned int snd_vt1724_get_gpio_data(ice1712_t *ice)
212 {
213 	unsigned int data;
214 	if (! ice->vt1720)
215 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
216 	else
217 		data = 0;
218 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
219 	return data;
220 }
221 
222 /*
223  *  Interrupt handler
224  */
225 
226 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id, struct pt_regs *regs)
227 {
228 	ice1712_t *ice = dev_id;
229 	unsigned char status;
230 	int handled = 0;
231 
232 	while (1) {
233 		status = inb(ICEREG1724(ice, IRQSTAT));
234 		if (status == 0)
235 			break;
236 
237 		handled = 1;
238 		/*  these should probably be separated at some point,
239 			but as we don't currently have MPU support on the board I will leave it */
240 		if ((status & VT1724_IRQ_MPU_RX)||(status & VT1724_IRQ_MPU_TX)) {
241 			if (ice->rmidi[0])
242 				snd_mpu401_uart_interrupt(irq, ice->rmidi[0]->private_data, regs);
243 			outb(status & (VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX), ICEREG1724(ice, IRQSTAT));
244 			status &= ~(VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX);
245 		}
246 		if (status & VT1724_IRQ_MTPCM) {
247 			/*
248 			 * Multi-track PCM
249 			 * PCM assignment are:
250 			 * Playback DMA0 (M/C) = playback_pro_substream
251 			 * Playback DMA1 = playback_con_substream_ds[0]
252 			 * Playback DMA2 = playback_con_substream_ds[1]
253 			 * Playback DMA3 = playback_con_substream_ds[2]
254 			 * Playback DMA4 (SPDIF) = playback_con_substream
255 			 * Record DMA0 = capture_pro_substream
256 			 * Record DMA1 = capture_con_substream
257 			 */
258 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
259 			if (mtstat & VT1724_MULTI_PDMA0) {
260 				if (ice->playback_pro_substream)
261 					snd_pcm_period_elapsed(ice->playback_pro_substream);
262 			}
263 			if (mtstat & VT1724_MULTI_RDMA0) {
264 				if (ice->capture_pro_substream)
265 					snd_pcm_period_elapsed(ice->capture_pro_substream);
266 			}
267 			if (mtstat & VT1724_MULTI_PDMA1) {
268 				if (ice->playback_con_substream_ds[0])
269 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
270 			}
271 			if (mtstat & VT1724_MULTI_PDMA2) {
272 				if (ice->playback_con_substream_ds[1])
273 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
274 			}
275 			if (mtstat & VT1724_MULTI_PDMA3) {
276 				if (ice->playback_con_substream_ds[2])
277 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
278 			}
279 			if (mtstat & VT1724_MULTI_PDMA4) {
280 				if (ice->playback_con_substream)
281 					snd_pcm_period_elapsed(ice->playback_con_substream);
282 			}
283 			if (mtstat & VT1724_MULTI_RDMA1) {
284 				if (ice->capture_con_substream)
285 					snd_pcm_period_elapsed(ice->capture_con_substream);
286 			}
287 			/* ack anyway to avoid freeze */
288 			outb(mtstat, ICEMT1724(ice, IRQ));
289 			/* ought to really handle this properly */
290 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
291 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
292 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
293 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
294 				/* If I don't do this, I get machine lockup due to continual interrupts */
295 			}
296 
297 		}
298 	}
299 	return IRQ_RETVAL(handled);
300 }
301 
302 /*
303  *  PCM code - professional part (multitrack)
304  */
305 
306 static unsigned int rates[] = {
307 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
308 	32000, 44100, 48000, 64000, 88200, 96000,
309 	176400, 192000,
310 };
311 
312 static snd_pcm_hw_constraint_list_t hw_constraints_rates_96 = {
313 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
314 	.list = rates,
315 	.mask = 0,
316 };
317 
318 static snd_pcm_hw_constraint_list_t hw_constraints_rates_48 = {
319 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
320 	.list = rates,
321 	.mask = 0,
322 };
323 
324 static snd_pcm_hw_constraint_list_t hw_constraints_rates_192 = {
325 	.count = ARRAY_SIZE(rates),
326 	.list = rates,
327 	.mask = 0,
328 };
329 
330 struct vt1724_pcm_reg {
331 	unsigned int addr;	/* ADDR register offset */
332 	unsigned int size;	/* SIZE register offset */
333 	unsigned int count;	/* COUNT register offset */
334 	unsigned int start;	/* start & pause bit */
335 };
336 
337 static int snd_vt1724_pcm_trigger(snd_pcm_substream_t *substream, int cmd)
338 {
339 	ice1712_t *ice = snd_pcm_substream_chip(substream);
340 	unsigned char what;
341 	unsigned char old;
342 	struct list_head *pos;
343 	snd_pcm_substream_t *s;
344 
345 	what = 0;
346 	snd_pcm_group_for_each(pos, substream) {
347 		struct vt1724_pcm_reg *reg;
348 		s = snd_pcm_group_substream_entry(pos);
349 		reg = s->runtime->private_data;
350 		what |= reg->start;
351 		snd_pcm_trigger_done(s, substream);
352 	}
353 
354 	switch (cmd) {
355 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
356 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
357 		spin_lock(&ice->reg_lock);
358 		old = inb(ICEMT1724(ice, DMA_PAUSE));
359 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
360 			old |= what;
361 		else
362 			old &= ~what;
363 		outb(old, ICEMT1724(ice, DMA_PAUSE));
364 		spin_unlock(&ice->reg_lock);
365 		break;
366 
367 	case SNDRV_PCM_TRIGGER_START:
368 	case SNDRV_PCM_TRIGGER_STOP:
369 		spin_lock(&ice->reg_lock);
370 		old = inb(ICEMT1724(ice, DMA_CONTROL));
371 		if (cmd == SNDRV_PCM_TRIGGER_START)
372 			old |= what;
373 		else
374 			old &= ~what;
375 		outb(old, ICEMT1724(ice, DMA_CONTROL));
376 		spin_unlock(&ice->reg_lock);
377 		break;
378 
379 	default:
380 		return -EINVAL;
381 	}
382 	return 0;
383 }
384 
385 /*
386  */
387 
388 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
389 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
390 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
391 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
392 
393 static int get_max_rate(ice1712_t *ice)
394 {
395 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
396 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
397 			return 192000;
398 		else
399 			return 96000;
400 	} else
401 		return 48000;
402 }
403 
404 static void snd_vt1724_set_pro_rate(ice1712_t *ice, unsigned int rate, int force)
405 {
406 	unsigned long flags;
407 	unsigned char val, old;
408 	unsigned int i, mclk_change;
409 
410 	if (rate > get_max_rate(ice))
411 		return;
412 
413 	switch (rate) {
414 	case 8000: val = 6; break;
415 	case 9600: val = 3; break;
416 	case 11025: val = 10; break;
417 	case 12000: val = 2; break;
418 	case 16000: val = 5; break;
419 	case 22050: val = 9; break;
420 	case 24000: val = 1; break;
421 	case 32000: val = 4; break;
422 	case 44100: val = 8; break;
423 	case 48000: val = 0; break;
424 	case 64000: val = 15; break;
425 	case 88200: val = 11; break;
426 	case 96000: val = 7; break;
427 	case 176400: val = 12; break;
428 	case 192000: val = 14; break;
429 	default:
430 		snd_BUG();
431 		val = 0;
432 		break;
433 	}
434 
435 	spin_lock_irqsave(&ice->reg_lock, flags);
436 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
437 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
438 		/* running? we cannot change the rate now... */
439 		spin_unlock_irqrestore(&ice->reg_lock, flags);
440 		return;
441 	}
442 	if (!force && is_pro_rate_locked(ice)) {
443 		spin_unlock_irqrestore(&ice->reg_lock, flags);
444 		return;
445 	}
446 
447 	old = inb(ICEMT1724(ice, RATE));
448 	if (force || old != val)
449 		outb(val, ICEMT1724(ice, RATE));
450 	else if (rate == ice->cur_rate) {
451 		spin_unlock_irqrestore(&ice->reg_lock, flags);
452 		return;
453 	}
454 
455 	ice->cur_rate = rate;
456 
457 	/* check MT02 */
458 	mclk_change = 0;
459 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
460 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
461 		if (rate > 96000)
462 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
463 		else
464 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
465 		if (val != old) {
466 			outb(val, ICEMT1724(ice, I2S_FORMAT));
467 			mclk_change = 1;
468 		}
469 	}
470 	spin_unlock_irqrestore(&ice->reg_lock, flags);
471 
472 	if (mclk_change && ice->gpio.i2s_mclk_changed)
473 		ice->gpio.i2s_mclk_changed(ice);
474 	if (ice->gpio.set_pro_rate)
475 		ice->gpio.set_pro_rate(ice, rate);
476 
477 	/* set up codecs */
478 	for (i = 0; i < ice->akm_codecs; i++) {
479 		if (ice->akm[i].ops.set_rate_val)
480 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
481 	}
482 	if (ice->spdif.ops.setup_rate)
483 		ice->spdif.ops.setup_rate(ice, rate);
484 }
485 
486 static int snd_vt1724_pcm_hw_params(snd_pcm_substream_t * substream,
487 				    snd_pcm_hw_params_t * hw_params)
488 {
489 	ice1712_t *ice = snd_pcm_substream_chip(substream);
490 	int i, chs;
491 
492 	chs = params_channels(hw_params);
493 	down(&ice->open_mutex);
494 	/* mark surround channels */
495 	if (substream == ice->playback_pro_substream) {
496 		/* PDMA0 can be multi-channel up to 8 */
497 		chs = chs / 2 - 1;
498 		for (i = 0; i < chs; i++) {
499 			if (ice->pcm_reserved[i] && ice->pcm_reserved[i] != substream) {
500 				up(&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] && ice->pcm_reserved[i] != substream) {
514 					up(&ice->open_mutex);
515 					return -EBUSY;
516 				}
517 				ice->pcm_reserved[i] = substream;
518 				break;
519 			}
520 		}
521 	}
522 	up(&ice->open_mutex);
523 	snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
524 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
525 }
526 
527 static int snd_vt1724_pcm_hw_free(snd_pcm_substream_t * substream)
528 {
529 	ice1712_t *ice = snd_pcm_substream_chip(substream);
530 	int i;
531 
532 	down(&ice->open_mutex);
533 	/* unmark surround channels */
534 	for (i = 0; i < 3; i++)
535 		if (ice->pcm_reserved[i] == substream)
536 			ice->pcm_reserved[i] = NULL;
537 	up(&ice->open_mutex);
538 	return snd_pcm_lib_free_pages(substream);
539 }
540 
541 static int snd_vt1724_playback_pro_prepare(snd_pcm_substream_t * substream)
542 {
543 	ice1712_t *ice = snd_pcm_substream_chip(substream);
544 	unsigned char val;
545 	unsigned int size;
546 
547 	spin_lock_irq(&ice->reg_lock);
548 	val = (8 - substream->runtime->channels) >> 1;
549 	outb(val, ICEMT1724(ice, BURST));
550 
551 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
552 
553 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
554 	// outl(size, ICEMT1724(ice, PLAYBACK_SIZE));
555 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
556 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
557 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
558 	// outl(size, ICEMT1724(ice, PLAYBACK_COUNT));
559 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
560 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
561 
562 	spin_unlock_irq(&ice->reg_lock);
563 
564 	// 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));
565 	return 0;
566 }
567 
568 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(snd_pcm_substream_t * substream)
569 {
570 	ice1712_t *ice = snd_pcm_substream_chip(substream);
571 	size_t ptr;
572 
573 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
574 		return 0;
575 #if 0 /* read PLAYBACK_ADDR */
576 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
577 	if (ptr < substream->runtime->dma_addr) {
578 		snd_printd("ice1724: invalid negative ptr\n");
579 		return 0;
580 	}
581 	ptr -= substream->runtime->dma_addr;
582 	ptr = bytes_to_frames(substream->runtime, ptr);
583 	if (ptr >= substream->runtime->buffer_size) {
584 		snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->period_size);
585 		return 0;
586 	}
587 #else /* read PLAYBACK_SIZE */
588 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
589 	ptr = (ptr + 1) << 2;
590 	ptr = bytes_to_frames(substream->runtime, ptr);
591 	if (! ptr)
592 		;
593 	else if (ptr <= substream->runtime->buffer_size)
594 		ptr = substream->runtime->buffer_size - ptr;
595 	else {
596 		snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->buffer_size);
597 		ptr = 0;
598 	}
599 #endif
600 	return ptr;
601 }
602 
603 static int snd_vt1724_pcm_prepare(snd_pcm_substream_t *substream)
604 {
605 	ice1712_t *ice = snd_pcm_substream_chip(substream);
606 	struct vt1724_pcm_reg *reg = substream->runtime->private_data;
607 
608 	spin_lock_irq(&ice->reg_lock);
609 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
610 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1, ice->profi_port + reg->size);
611 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1, ice->profi_port + reg->count);
612 	spin_unlock_irq(&ice->reg_lock);
613 	return 0;
614 }
615 
616 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(snd_pcm_substream_t *substream)
617 {
618 	ice1712_t *ice = snd_pcm_substream_chip(substream);
619 	struct vt1724_pcm_reg *reg = substream->runtime->private_data;
620 	size_t ptr;
621 
622 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
623 		return 0;
624 #if 0 /* use ADDR register */
625 	ptr = inl(ice->profi_port + reg->addr);
626 	ptr -= substream->runtime->dma_addr;
627 	return bytes_to_frames(substream->runtime, ptr);
628 #else /* use SIZE register */
629 	ptr = inw(ice->profi_port + reg->size);
630 	ptr = (ptr + 1) << 2;
631 	ptr = bytes_to_frames(substream->runtime, ptr);
632 	if (! ptr)
633 		;
634 	else if (ptr <= substream->runtime->buffer_size)
635 		ptr = substream->runtime->buffer_size - ptr;
636 	else {
637 		snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->buffer_size);
638 		ptr = 0;
639 	}
640 	return ptr;
641 #endif
642 }
643 
644 static struct vt1724_pcm_reg vt1724_playback_pro_reg = {
645 	.addr = VT1724_MT_PLAYBACK_ADDR,
646 	.size = VT1724_MT_PLAYBACK_SIZE,
647 	.count = VT1724_MT_PLAYBACK_COUNT,
648 	.start = VT1724_PDMA0_START,
649 };
650 
651 static struct vt1724_pcm_reg vt1724_capture_pro_reg = {
652 	.addr = VT1724_MT_CAPTURE_ADDR,
653 	.size = VT1724_MT_CAPTURE_SIZE,
654 	.count = VT1724_MT_CAPTURE_COUNT,
655 	.start = VT1724_RDMA0_START,
656 };
657 
658 static snd_pcm_hardware_t snd_vt1724_playback_pro =
659 {
660 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
661 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
662 				 SNDRV_PCM_INFO_MMAP_VALID |
663 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
664 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
665 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
666 	.rate_min =		8000,
667 	.rate_max =		192000,
668 	.channels_min =		2,
669 	.channels_max =		8,
670 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
671 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
672 	.period_bytes_max =	(1UL << 21),
673 	.periods_min =		2,
674 	.periods_max =		1024,
675 };
676 
677 static snd_pcm_hardware_t snd_vt1724_spdif =
678 {
679 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
680 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
681 				 SNDRV_PCM_INFO_MMAP_VALID |
682 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
683 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
684 	.rates =	        SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
685 	.rate_min =		32000,
686 	.rate_max =		48000,
687 	.channels_min =		2,
688 	.channels_max =		2,
689 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
690 	.period_bytes_min =	2 * 4 * 2,
691 	.period_bytes_max =	(1UL << 18),
692 	.periods_min =		2,
693 	.periods_max =		1024,
694 };
695 
696 static snd_pcm_hardware_t snd_vt1724_2ch_stereo =
697 {
698 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
699 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
700 				 SNDRV_PCM_INFO_MMAP_VALID |
701 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
702 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
703 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
704 	.rate_min =		8000,
705 	.rate_max =		192000,
706 	.channels_min =		2,
707 	.channels_max =		2,
708 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
709 	.period_bytes_min =	2 * 4 * 2,
710 	.period_bytes_max =	(1UL << 18),
711 	.periods_min =		2,
712 	.periods_max =		1024,
713 };
714 
715 /*
716  * set rate constraints
717  */
718 static int set_rate_constraints(ice1712_t *ice, snd_pcm_substream_t *substream)
719 {
720 	snd_pcm_runtime_t *runtime = substream->runtime;
721 	if (ice->hw_rates) {
722 		/* hardware specific */
723 		runtime->hw.rate_min = ice->hw_rates->list[0];
724 		runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
725 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
726 		return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, ice->hw_rates);
727 	}
728 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
729 		/* I2S */
730 		/* VT1720 doesn't support more than 96kHz */
731 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
732 			return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_192);
733 		else {
734 			runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_96000;
735 			runtime->hw.rate_max = 96000;
736 			return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_96);
737 		}
738 	} else if (ice->ac97) {
739 		/* ACLINK */
740 		runtime->hw.rate_max = 48000;
741 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000;
742 		return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_48);
743 	}
744 	return 0;
745 }
746 
747 /* multi-channel playback needs alignment 8x32bit regardless of the channels
748  * actually used
749  */
750 #define VT1724_BUFFER_ALIGN	0x20
751 
752 static int snd_vt1724_playback_pro_open(snd_pcm_substream_t * substream)
753 {
754 	snd_pcm_runtime_t *runtime = substream->runtime;
755 	ice1712_t *ice = snd_pcm_substream_chip(substream);
756 	int chs;
757 
758 	runtime->private_data = &vt1724_playback_pro_reg;
759 	ice->playback_pro_substream = substream;
760 	runtime->hw = snd_vt1724_playback_pro;
761 	snd_pcm_set_sync(substream);
762 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
763 	set_rate_constraints(ice, substream);
764 	down(&ice->open_mutex);
765 	/* calculate the currently available channels */
766 	for (chs = 0; chs < 3; chs++) {
767 		if (ice->pcm_reserved[chs])
768 			break;
769 	}
770 	chs = (chs + 1) * 2;
771 	runtime->hw.channels_max = chs;
772 	if (chs > 2) /* channels must be even */
773 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
774 	up(&ice->open_mutex);
775 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
776 				   VT1724_BUFFER_ALIGN);
777 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
778 				   VT1724_BUFFER_ALIGN);
779 	return 0;
780 }
781 
782 static int snd_vt1724_capture_pro_open(snd_pcm_substream_t * substream)
783 {
784 	ice1712_t *ice = snd_pcm_substream_chip(substream);
785 	snd_pcm_runtime_t *runtime = substream->runtime;
786 
787 	runtime->private_data = &vt1724_capture_pro_reg;
788 	ice->capture_pro_substream = substream;
789 	runtime->hw = snd_vt1724_2ch_stereo;
790 	snd_pcm_set_sync(substream);
791 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
792 	set_rate_constraints(ice, substream);
793 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
794 				   VT1724_BUFFER_ALIGN);
795 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
796 				   VT1724_BUFFER_ALIGN);
797 	return 0;
798 }
799 
800 static int snd_vt1724_playback_pro_close(snd_pcm_substream_t * substream)
801 {
802 	ice1712_t *ice = snd_pcm_substream_chip(substream);
803 
804 	if (PRO_RATE_RESET)
805 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
806 	ice->playback_pro_substream = NULL;
807 
808 	return 0;
809 }
810 
811 static int snd_vt1724_capture_pro_close(snd_pcm_substream_t * substream)
812 {
813 	ice1712_t *ice = snd_pcm_substream_chip(substream);
814 
815 	if (PRO_RATE_RESET)
816 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
817 	ice->capture_pro_substream = NULL;
818 	return 0;
819 }
820 
821 static snd_pcm_ops_t snd_vt1724_playback_pro_ops = {
822 	.open =		snd_vt1724_playback_pro_open,
823 	.close =	snd_vt1724_playback_pro_close,
824 	.ioctl =	snd_pcm_lib_ioctl,
825 	.hw_params =	snd_vt1724_pcm_hw_params,
826 	.hw_free =	snd_vt1724_pcm_hw_free,
827 	.prepare =	snd_vt1724_playback_pro_prepare,
828 	.trigger =	snd_vt1724_pcm_trigger,
829 	.pointer =	snd_vt1724_playback_pro_pointer,
830 };
831 
832 static snd_pcm_ops_t snd_vt1724_capture_pro_ops = {
833 	.open =		snd_vt1724_capture_pro_open,
834 	.close =	snd_vt1724_capture_pro_close,
835 	.ioctl =	snd_pcm_lib_ioctl,
836 	.hw_params =	snd_vt1724_pcm_hw_params,
837 	.hw_free =	snd_vt1724_pcm_hw_free,
838 	.prepare =	snd_vt1724_pcm_prepare,
839 	.trigger =	snd_vt1724_pcm_trigger,
840 	.pointer =	snd_vt1724_pcm_pointer,
841 };
842 
843 static int __devinit snd_vt1724_pcm_profi(ice1712_t * ice, int device)
844 {
845 	snd_pcm_t *pcm;
846 	int err;
847 
848 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
849 	if (err < 0)
850 		return err;
851 
852 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
853 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
854 
855 	pcm->private_data = ice;
856 	pcm->info_flags = 0;
857 	strcpy(pcm->name, "ICE1724");
858 
859 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
860 					      snd_dma_pci_data(ice->pci), 256*1024, 256*1024);
861 
862 	ice->pcm_pro = pcm;
863 
864 	return 0;
865 }
866 
867 
868 /*
869  * SPDIF PCM
870  */
871 
872 static struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
873 	.addr = VT1724_MT_PDMA4_ADDR,
874 	.size = VT1724_MT_PDMA4_SIZE,
875 	.count = VT1724_MT_PDMA4_COUNT,
876 	.start = VT1724_PDMA4_START,
877 };
878 
879 static struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
880 	.addr = VT1724_MT_RDMA1_ADDR,
881 	.size = VT1724_MT_RDMA1_SIZE,
882 	.count = VT1724_MT_RDMA1_COUNT,
883 	.start = VT1724_RDMA1_START,
884 };
885 
886 /* update spdif control bits; call with reg_lock */
887 static void update_spdif_bits(ice1712_t *ice, unsigned int val)
888 {
889 	unsigned char cbit, disabled;
890 
891 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
892 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
893 	if (cbit != disabled)
894 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
895 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
896 	if (cbit != disabled)
897 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
898 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
899 }
900 
901 /* update SPDIF control bits according to the given rate */
902 static void update_spdif_rate(ice1712_t *ice, unsigned int rate)
903 {
904 	unsigned int val, nval;
905 	unsigned long flags;
906 
907 	spin_lock_irqsave(&ice->reg_lock, flags);
908 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
909 	nval &= ~(7 << 12);
910 	switch (rate) {
911 	case 44100: break;
912 	case 48000: nval |= 2 << 12; break;
913 	case 32000: nval |= 3 << 12; break;
914 	}
915 	if (val != nval)
916 		update_spdif_bits(ice, nval);
917 	spin_unlock_irqrestore(&ice->reg_lock, flags);
918 }
919 
920 static int snd_vt1724_playback_spdif_prepare(snd_pcm_substream_t * substream)
921 {
922 	ice1712_t *ice = snd_pcm_substream_chip(substream);
923 	if (! ice->force_pdma4)
924 		update_spdif_rate(ice, substream->runtime->rate);
925 	return snd_vt1724_pcm_prepare(substream);
926 }
927 
928 static int snd_vt1724_playback_spdif_open(snd_pcm_substream_t *substream)
929 {
930 	ice1712_t *ice = snd_pcm_substream_chip(substream);
931 	snd_pcm_runtime_t *runtime = substream->runtime;
932 
933 	runtime->private_data = &vt1724_playback_spdif_reg;
934 	ice->playback_con_substream = substream;
935 	if (ice->force_pdma4) {
936 		runtime->hw = snd_vt1724_2ch_stereo;
937 		set_rate_constraints(ice, substream);
938 	} else
939 		runtime->hw = snd_vt1724_spdif;
940 	snd_pcm_set_sync(substream);
941 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
942 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
943 				   VT1724_BUFFER_ALIGN);
944 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
945 				   VT1724_BUFFER_ALIGN);
946 	return 0;
947 }
948 
949 static int snd_vt1724_playback_spdif_close(snd_pcm_substream_t * substream)
950 {
951 	ice1712_t *ice = snd_pcm_substream_chip(substream);
952 
953 	if (PRO_RATE_RESET)
954 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
955 	ice->playback_con_substream = NULL;
956 
957 	return 0;
958 }
959 
960 static int snd_vt1724_capture_spdif_open(snd_pcm_substream_t *substream)
961 {
962 	ice1712_t *ice = snd_pcm_substream_chip(substream);
963 	snd_pcm_runtime_t *runtime = substream->runtime;
964 
965 	runtime->private_data = &vt1724_capture_spdif_reg;
966 	ice->capture_con_substream = substream;
967 	if (ice->force_rdma1) {
968 		runtime->hw = snd_vt1724_2ch_stereo;
969 		set_rate_constraints(ice, substream);
970 	} else
971 		runtime->hw = snd_vt1724_spdif;
972 	snd_pcm_set_sync(substream);
973 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
974 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
975 				   VT1724_BUFFER_ALIGN);
976 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
977 				   VT1724_BUFFER_ALIGN);
978 	return 0;
979 }
980 
981 static int snd_vt1724_capture_spdif_close(snd_pcm_substream_t * substream)
982 {
983 	ice1712_t *ice = snd_pcm_substream_chip(substream);
984 
985 	if (PRO_RATE_RESET)
986 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
987 	ice->capture_con_substream = NULL;
988 
989 	return 0;
990 }
991 
992 static snd_pcm_ops_t snd_vt1724_playback_spdif_ops = {
993 	.open =		snd_vt1724_playback_spdif_open,
994 	.close =	snd_vt1724_playback_spdif_close,
995 	.ioctl =	snd_pcm_lib_ioctl,
996 	.hw_params =	snd_vt1724_pcm_hw_params,
997 	.hw_free =	snd_vt1724_pcm_hw_free,
998 	.prepare =	snd_vt1724_playback_spdif_prepare,
999 	.trigger =	snd_vt1724_pcm_trigger,
1000 	.pointer =	snd_vt1724_pcm_pointer,
1001 };
1002 
1003 static snd_pcm_ops_t snd_vt1724_capture_spdif_ops = {
1004 	.open =		snd_vt1724_capture_spdif_open,
1005 	.close =	snd_vt1724_capture_spdif_close,
1006 	.ioctl =	snd_pcm_lib_ioctl,
1007 	.hw_params =	snd_vt1724_pcm_hw_params,
1008 	.hw_free =	snd_vt1724_pcm_hw_free,
1009 	.prepare =	snd_vt1724_pcm_prepare,
1010 	.trigger =	snd_vt1724_pcm_trigger,
1011 	.pointer =	snd_vt1724_pcm_pointer,
1012 };
1013 
1014 
1015 static int __devinit snd_vt1724_pcm_spdif(ice1712_t * ice, int device)
1016 {
1017 	char *name;
1018 	snd_pcm_t *pcm;
1019 	int play, capt;
1020 	int err;
1021 
1022 	if (ice->force_pdma4 ||
1023 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1024 		play = 1;
1025 		ice->has_spdif = 1;
1026 	} else
1027 		play = 0;
1028 	if (ice->force_rdma1 ||
1029 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1030 		capt = 1;
1031 		ice->has_spdif = 1;
1032 	} else
1033 		capt = 0;
1034 	if (! play && ! capt)
1035 		return 0; /* no spdif device */
1036 
1037 	if (ice->force_pdma4 || ice->force_rdma1)
1038 		name = "ICE1724 Secondary";
1039 	else
1040 		name = "IEC1724 IEC958";
1041 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1042 	if (err < 0)
1043 		return err;
1044 
1045 	if (play)
1046 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1047 				&snd_vt1724_playback_spdif_ops);
1048 	if (capt)
1049 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1050 				&snd_vt1724_capture_spdif_ops);
1051 
1052 	pcm->private_data = ice;
1053 	pcm->info_flags = 0;
1054 	strcpy(pcm->name, name);
1055 
1056 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1057 					      snd_dma_pci_data(ice->pci), 64*1024, 64*1024);
1058 
1059 	ice->pcm = pcm;
1060 
1061 	return 0;
1062 }
1063 
1064 
1065 /*
1066  * independent surround PCMs
1067  */
1068 
1069 static struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1070 	{
1071 		.addr = VT1724_MT_PDMA1_ADDR,
1072 		.size = VT1724_MT_PDMA1_SIZE,
1073 		.count = VT1724_MT_PDMA1_COUNT,
1074 		.start = VT1724_PDMA1_START,
1075 	},
1076 	{
1077 		.addr = VT1724_MT_PDMA2_ADDR,
1078 		.size = VT1724_MT_PDMA2_SIZE,
1079 		.count = VT1724_MT_PDMA2_COUNT,
1080 		.start = VT1724_PDMA2_START,
1081 	},
1082 	{
1083 		.addr = VT1724_MT_PDMA3_ADDR,
1084 		.size = VT1724_MT_PDMA3_SIZE,
1085 		.count = VT1724_MT_PDMA3_COUNT,
1086 		.start = VT1724_PDMA3_START,
1087 	},
1088 };
1089 
1090 static int snd_vt1724_playback_indep_prepare(snd_pcm_substream_t * substream)
1091 {
1092 	ice1712_t *ice = snd_pcm_substream_chip(substream);
1093 	unsigned char val;
1094 
1095 	spin_lock_irq(&ice->reg_lock);
1096 	val = 3 - substream->number;
1097 	if (inb(ICEMT1724(ice, BURST)) < val)
1098 		outb(val, ICEMT1724(ice, BURST));
1099 	spin_unlock_irq(&ice->reg_lock);
1100 	return snd_vt1724_pcm_prepare(substream);
1101 }
1102 
1103 static int snd_vt1724_playback_indep_open(snd_pcm_substream_t *substream)
1104 {
1105 	ice1712_t *ice = snd_pcm_substream_chip(substream);
1106 	snd_pcm_runtime_t *runtime = substream->runtime;
1107 
1108 	down(&ice->open_mutex);
1109 	/* already used by PDMA0? */
1110 	if (ice->pcm_reserved[substream->number]) {
1111 		up(&ice->open_mutex);
1112 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1113 	}
1114 	up(&ice->open_mutex);
1115 	runtime->private_data = &vt1724_playback_dma_regs[substream->number];
1116 	ice->playback_con_substream_ds[substream->number] = substream;
1117 	runtime->hw = snd_vt1724_2ch_stereo;
1118 	snd_pcm_set_sync(substream);
1119 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1120 	set_rate_constraints(ice, substream);
1121 	return 0;
1122 }
1123 
1124 static int snd_vt1724_playback_indep_close(snd_pcm_substream_t * substream)
1125 {
1126 	ice1712_t *ice = snd_pcm_substream_chip(substream);
1127 
1128 	if (PRO_RATE_RESET)
1129 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1130 	ice->playback_con_substream_ds[substream->number] = NULL;
1131 	ice->pcm_reserved[substream->number] = NULL;
1132 
1133 	return 0;
1134 }
1135 
1136 static snd_pcm_ops_t snd_vt1724_playback_indep_ops = {
1137 	.open =		snd_vt1724_playback_indep_open,
1138 	.close =	snd_vt1724_playback_indep_close,
1139 	.ioctl =	snd_pcm_lib_ioctl,
1140 	.hw_params =	snd_vt1724_pcm_hw_params,
1141 	.hw_free =	snd_vt1724_pcm_hw_free,
1142 	.prepare =	snd_vt1724_playback_indep_prepare,
1143 	.trigger =	snd_vt1724_pcm_trigger,
1144 	.pointer =	snd_vt1724_pcm_pointer,
1145 };
1146 
1147 
1148 static int __devinit snd_vt1724_pcm_indep(ice1712_t * ice, int device)
1149 {
1150 	snd_pcm_t *pcm;
1151 	int play;
1152 	int err;
1153 
1154 	play = ice->num_total_dacs / 2 - 1;
1155 	if (play <= 0)
1156 		return 0;
1157 
1158 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1159 	if (err < 0)
1160 		return err;
1161 
1162 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1163 			&snd_vt1724_playback_indep_ops);
1164 
1165 	pcm->private_data = ice;
1166 	pcm->info_flags = 0;
1167 	strcpy(pcm->name, "ICE1724 Surround PCM");
1168 
1169 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1170 					      snd_dma_pci_data(ice->pci), 64*1024, 64*1024);
1171 
1172 	ice->pcm_ds = pcm;
1173 
1174 	return 0;
1175 }
1176 
1177 
1178 /*
1179  *  Mixer section
1180  */
1181 
1182 static int __devinit snd_vt1724_ac97_mixer(ice1712_t * ice)
1183 {
1184 	int err;
1185 
1186 	if (! (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1187 		ac97_bus_t *pbus;
1188 		ac97_template_t ac97;
1189 		static ac97_bus_ops_t ops = {
1190 			.write = snd_vt1724_ac97_write,
1191 			.read = snd_vt1724_ac97_read,
1192 		};
1193 
1194 		/* cold reset */
1195 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1196 		mdelay(5); /* FIXME */
1197 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1198 
1199 		if ((err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus)) < 0)
1200 			return err;
1201 		memset(&ac97, 0, sizeof(ac97));
1202 		ac97.private_data = ice;
1203 		if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0)
1204 			printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1205 		else
1206 			return 0;
1207 	}
1208 	/* I2S mixer only */
1209 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1210 	return 0;
1211 }
1212 
1213 /*
1214  *
1215  */
1216 
1217 static inline unsigned int eeprom_triple(ice1712_t *ice, int idx)
1218 {
1219 	return (unsigned int)ice->eeprom.data[idx] | \
1220 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1221 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1222 }
1223 
1224 static void snd_vt1724_proc_read(snd_info_entry_t *entry,
1225 				 snd_info_buffer_t * buffer)
1226 {
1227 	ice1712_t *ice = entry->private_data;
1228 	unsigned int idx;
1229 
1230 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1231 	snd_iprintf(buffer, "EEPROM:\n");
1232 
1233 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1234 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1235 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1236 	snd_iprintf(buffer, "  System Config    : 0x%x\n", ice->eeprom.data[ICE_EEP2_SYSCONF]);
1237 	snd_iprintf(buffer, "  ACLink           : 0x%x\n", ice->eeprom.data[ICE_EEP2_ACLINK]);
1238 	snd_iprintf(buffer, "  I2S              : 0x%x\n", ice->eeprom.data[ICE_EEP2_I2S]);
1239 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n", ice->eeprom.data[ICE_EEP2_SPDIF]);
1240 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n", ice->eeprom.gpiodir);
1241 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n", ice->eeprom.gpiomask);
1242 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n", ice->eeprom.gpiostate);
1243 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1244 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n", idx, ice->eeprom.data[idx]);
1245 
1246 	snd_iprintf(buffer, "\nRegisters:\n");
1247 
1248 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n", (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1249 	for (idx = 0x0; idx < 0x20 ; idx++)
1250 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n", idx, inb(ice->port+idx));
1251 	for (idx = 0x0; idx < 0x30 ; idx++)
1252 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n", idx, inb(ice->profi_port+idx));
1253 }
1254 
1255 static void __devinit snd_vt1724_proc_init(ice1712_t * ice)
1256 {
1257 	snd_info_entry_t *entry;
1258 
1259 	if (! snd_card_proc_new(ice->card, "ice1724", &entry))
1260 		snd_info_set_text_ops(entry, ice, 1024, snd_vt1724_proc_read);
1261 }
1262 
1263 /*
1264  *
1265  */
1266 
1267 static int snd_vt1724_eeprom_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1268 {
1269 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1270 	uinfo->count = sizeof(ice1712_eeprom_t);
1271 	return 0;
1272 }
1273 
1274 static int snd_vt1724_eeprom_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1275 {
1276 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1277 
1278 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1279 	return 0;
1280 }
1281 
1282 static snd_kcontrol_new_t snd_vt1724_eeprom __devinitdata = {
1283 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1284 	.name = "ICE1724 EEPROM",
1285 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1286 	.info = snd_vt1724_eeprom_info,
1287 	.get = snd_vt1724_eeprom_get
1288 };
1289 
1290 /*
1291  */
1292 static int snd_vt1724_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1293 {
1294 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1295 	uinfo->count = 1;
1296 	return 0;
1297 }
1298 
1299 static unsigned int encode_spdif_bits(snd_aes_iec958_t *diga)
1300 {
1301 	unsigned int val;
1302 
1303 	val = diga->status[0] & 0x03; /* professional, non-audio */
1304 	if (val & 0x01) {
1305 		/* professional */
1306 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
1307 			val |= 1U << 3;
1308 		switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1309 		case IEC958_AES0_PRO_FS_44100:
1310 			break;
1311 		case IEC958_AES0_PRO_FS_32000:
1312 			val |= 3U << 12;
1313 			break;
1314 		default:
1315 			val |= 2U << 12;
1316 			break;
1317 		}
1318 	} else {
1319 		/* consumer */
1320 		val |= diga->status[1] & 0x04; /* copyright */
1321 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS)== IEC958_AES0_CON_EMPHASIS_5015)
1322 			val |= 1U << 3;
1323 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1324 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1325 	}
1326 	return val;
1327 }
1328 
1329 static void decode_spdif_bits(snd_aes_iec958_t *diga, unsigned int val)
1330 {
1331 	memset(diga->status, 0, sizeof(diga->status));
1332 	diga->status[0] = val & 0x03; /* professional, non-audio */
1333 	if (val & 0x01) {
1334 		/* professional */
1335 		if (val & (1U << 3))
1336 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1337 		switch ((val >> 12) & 0x7) {
1338 		case 0:
1339 			break;
1340 		case 2:
1341 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1342 			break;
1343 		default:
1344 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1345 			break;
1346 		}
1347 	} else {
1348 		/* consumer */
1349 		diga->status[0] |= val & (1U << 2); /* copyright */
1350 		if (val & (1U << 3))
1351 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1352 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1353 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1354 	}
1355 }
1356 
1357 static int snd_vt1724_spdif_default_get(snd_kcontrol_t * kcontrol,
1358 					snd_ctl_elem_value_t * ucontrol)
1359 {
1360 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1361 	unsigned int val;
1362 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1363 	decode_spdif_bits(&ucontrol->value.iec958, val);
1364 	return 0;
1365 }
1366 
1367 static int snd_vt1724_spdif_default_put(snd_kcontrol_t * kcontrol,
1368 					 snd_ctl_elem_value_t * ucontrol)
1369 {
1370 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1371 	unsigned int val, old;
1372 
1373 	val = encode_spdif_bits(&ucontrol->value.iec958);
1374 	spin_lock_irq(&ice->reg_lock);
1375 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1376 	if (val != old)
1377 		update_spdif_bits(ice, val);
1378 	spin_unlock_irq(&ice->reg_lock);
1379 	return (val != old);
1380 }
1381 
1382 static snd_kcontrol_new_t snd_vt1724_spdif_default __devinitdata =
1383 {
1384 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1385 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1386 	.info =		snd_vt1724_spdif_info,
1387 	.get =		snd_vt1724_spdif_default_get,
1388 	.put =		snd_vt1724_spdif_default_put
1389 };
1390 
1391 static int snd_vt1724_spdif_maskc_get(snd_kcontrol_t * kcontrol,
1392 				       snd_ctl_elem_value_t * ucontrol)
1393 {
1394 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1395 						     IEC958_AES0_PROFESSIONAL |
1396 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1397 						     IEC958_AES0_CON_EMPHASIS;
1398 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1399 						     IEC958_AES1_CON_CATEGORY;
1400 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1401 	return 0;
1402 }
1403 
1404 static int snd_vt1724_spdif_maskp_get(snd_kcontrol_t * kcontrol,
1405 				       snd_ctl_elem_value_t * ucontrol)
1406 {
1407 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1408 						     IEC958_AES0_PROFESSIONAL |
1409 						     IEC958_AES0_PRO_FS |
1410 						     IEC958_AES0_PRO_EMPHASIS;
1411 	return 0;
1412 }
1413 
1414 static snd_kcontrol_new_t snd_vt1724_spdif_maskc __devinitdata =
1415 {
1416 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1417 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1418 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1419 	.info =		snd_vt1724_spdif_info,
1420 	.get =		snd_vt1724_spdif_maskc_get,
1421 };
1422 
1423 static snd_kcontrol_new_t snd_vt1724_spdif_maskp __devinitdata =
1424 {
1425 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1426 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1427 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1428 	.info =		snd_vt1724_spdif_info,
1429 	.get =		snd_vt1724_spdif_maskp_get,
1430 };
1431 
1432 static int snd_vt1724_spdif_sw_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1433 {
1434 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1435 	uinfo->count = 1;
1436 	uinfo->value.integer.min = 0;
1437 	uinfo->value.integer.max = 1;
1438 	return 0;
1439 }
1440 
1441 static int snd_vt1724_spdif_sw_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1442 {
1443 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1444 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) & VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1445 	return 0;
1446 }
1447 
1448 static int snd_vt1724_spdif_sw_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1449 {
1450 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1451 	unsigned char old, val;
1452 
1453 	spin_lock_irq(&ice->reg_lock);
1454 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1455 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1456 	if (ucontrol->value.integer.value[0])
1457 		val |= VT1724_CFG_SPDIF_OUT_EN;
1458 	if (old != val)
1459 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1460 	spin_unlock_irq(&ice->reg_lock);
1461 	return old != val;
1462 }
1463 
1464 static snd_kcontrol_new_t snd_vt1724_spdif_switch __devinitdata =
1465 {
1466 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1467 	/* FIXME: the following conflict with IEC958 Playback Route */
1468 	// .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1469 	.name =         "IEC958 Output Switch",
1470 	.info =		snd_vt1724_spdif_sw_info,
1471 	.get =		snd_vt1724_spdif_sw_get,
1472 	.put =		snd_vt1724_spdif_sw_put
1473 };
1474 
1475 
1476 #if 0 /* NOT USED YET */
1477 /*
1478  * GPIO access from extern
1479  */
1480 
1481 int snd_vt1724_gpio_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1482 {
1483 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1484 	uinfo->count = 1;
1485 	uinfo->value.integer.min = 0;
1486 	uinfo->value.integer.max = 1;
1487 	return 0;
1488 }
1489 
1490 int snd_vt1724_gpio_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1491 {
1492 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1493 	int shift = kcontrol->private_value & 0xff;
1494 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1495 
1496 	snd_ice1712_save_gpio_status(ice);
1497 	ucontrol->value.integer.value[0] = (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1498 	snd_ice1712_restore_gpio_status(ice);
1499 	return 0;
1500 }
1501 
1502 int snd_ice1712_gpio_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1503 {
1504 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1505 	int shift = kcontrol->private_value & 0xff;
1506 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1507 	unsigned int val, nval;
1508 
1509 	if (kcontrol->private_value & (1 << 31))
1510 		return -EPERM;
1511 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1512 	snd_ice1712_save_gpio_status(ice);
1513 	val = snd_ice1712_gpio_read(ice);
1514 	nval |= val & ~(1 << shift);
1515 	if (val != nval)
1516 		snd_ice1712_gpio_write(ice, nval);
1517 	snd_ice1712_restore_gpio_status(ice);
1518 	return val != nval;
1519 }
1520 #endif /* NOT USED YET */
1521 
1522 /*
1523  *  rate
1524  */
1525 static int snd_vt1724_pro_internal_clock_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1526 {
1527 	static char *texts_1724[] = {
1528 		"8000",		/* 0: 6 */
1529 		"9600",		/* 1: 3 */
1530 		"11025",	/* 2: 10 */
1531 		"12000",	/* 3: 2 */
1532 		"16000",	/* 4: 5 */
1533 		"22050",	/* 5: 9 */
1534 		"24000",	/* 6: 1 */
1535 		"32000",	/* 7: 4 */
1536 		"44100",	/* 8: 8 */
1537 		"48000",	/* 9: 0 */
1538 		"64000",	/* 10: 15 */
1539 		"88200",	/* 11: 11 */
1540 		"96000",	/* 12: 7 */
1541 		"176400",	/* 13: 12 */
1542 		"192000",	/* 14: 14 */
1543 		"IEC958 Input",	/* 15: -- */
1544 	};
1545 	static char *texts_1720[] = {
1546 		"8000",		/* 0: 6 */
1547 		"9600",		/* 1: 3 */
1548 		"11025",	/* 2: 10 */
1549 		"12000",	/* 3: 2 */
1550 		"16000",	/* 4: 5 */
1551 		"22050",	/* 5: 9 */
1552 		"24000",	/* 6: 1 */
1553 		"32000",	/* 7: 4 */
1554 		"44100",	/* 8: 8 */
1555 		"48000",	/* 9: 0 */
1556 		"64000",	/* 10: 15 */
1557 		"88200",	/* 11: 11 */
1558 		"96000",	/* 12: 7 */
1559 		"IEC958 Input",	/* 13: -- */
1560 	};
1561 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1562 
1563 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1564 	uinfo->count = 1;
1565 	uinfo->value.enumerated.items = ice->vt1720 ? 14 : 16;
1566 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1567 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1568 	strcpy(uinfo->value.enumerated.name,
1569 	       ice->vt1720 ? texts_1720[uinfo->value.enumerated.item] :
1570 	       texts_1724[uinfo->value.enumerated.item]);
1571 	return 0;
1572 }
1573 
1574 static int snd_vt1724_pro_internal_clock_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1575 {
1576 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1577 	static unsigned char xlate[16] = {
1578 		9, 6, 3, 1, 7, 4, 0, 12, 8, 5, 2, 11, 13, 255, 14, 10
1579 	};
1580 	unsigned char val;
1581 
1582 	spin_lock_irq(&ice->reg_lock);
1583 	if (is_spdif_master(ice)) {
1584 		ucontrol->value.enumerated.item[0] = ice->vt1720 ? 13 : 15;
1585 	} else {
1586 		val = xlate[inb(ICEMT1724(ice, RATE)) & 15];
1587 		if (val == 255) {
1588 			snd_BUG();
1589 			val = 0;
1590 		}
1591 		ucontrol->value.enumerated.item[0] = val;
1592 	}
1593 	spin_unlock_irq(&ice->reg_lock);
1594 	return 0;
1595 }
1596 
1597 static int snd_vt1724_pro_internal_clock_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1598 {
1599 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1600 	unsigned char oval;
1601 	int rate;
1602 	int change = 0;
1603 	int spdif = ice->vt1720 ? 13 : 15;
1604 
1605 	spin_lock_irq(&ice->reg_lock);
1606 	oval = inb(ICEMT1724(ice, RATE));
1607 	if (ucontrol->value.enumerated.item[0] == spdif) {
1608 		outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1609 	} else {
1610 		rate = rates[ucontrol->value.integer.value[0] % 15];
1611 		if (rate <= get_max_rate(ice)) {
1612 			PRO_RATE_DEFAULT = rate;
1613 			spin_unlock_irq(&ice->reg_lock);
1614 			snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 1);
1615 			spin_lock_irq(&ice->reg_lock);
1616 		}
1617 	}
1618 	change = inb(ICEMT1724(ice, RATE)) != oval;
1619 	spin_unlock_irq(&ice->reg_lock);
1620 
1621 	if ((oval & VT1724_SPDIF_MASTER) != (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER)) {
1622 		/* notify akm chips as well */
1623 		if (is_spdif_master(ice)) {
1624 			unsigned int i;
1625 			for (i = 0; i < ice->akm_codecs; i++) {
1626 				if (ice->akm[i].ops.set_rate_val)
1627 					ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1628 			}
1629 		}
1630 	}
1631 	return change;
1632 }
1633 
1634 static snd_kcontrol_new_t snd_vt1724_pro_internal_clock __devinitdata = {
1635 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1636 	.name = "Multi Track Internal Clock",
1637 	.info = snd_vt1724_pro_internal_clock_info,
1638 	.get = snd_vt1724_pro_internal_clock_get,
1639 	.put = snd_vt1724_pro_internal_clock_put
1640 };
1641 
1642 static int snd_vt1724_pro_rate_locking_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1643 {
1644 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1645 	uinfo->count = 1;
1646 	uinfo->value.integer.min = 0;
1647 	uinfo->value.integer.max = 1;
1648 	return 0;
1649 }
1650 
1651 static int snd_vt1724_pro_rate_locking_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1652 {
1653 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1654 	return 0;
1655 }
1656 
1657 static int snd_vt1724_pro_rate_locking_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1658 {
1659 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1660 	int change = 0, nval;
1661 
1662 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1663 	spin_lock_irq(&ice->reg_lock);
1664 	change = PRO_RATE_LOCKED != nval;
1665 	PRO_RATE_LOCKED = nval;
1666 	spin_unlock_irq(&ice->reg_lock);
1667 	return change;
1668 }
1669 
1670 static snd_kcontrol_new_t snd_vt1724_pro_rate_locking __devinitdata = {
1671 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1672 	.name = "Multi Track Rate Locking",
1673 	.info = snd_vt1724_pro_rate_locking_info,
1674 	.get = snd_vt1724_pro_rate_locking_get,
1675 	.put = snd_vt1724_pro_rate_locking_put
1676 };
1677 
1678 static int snd_vt1724_pro_rate_reset_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1679 {
1680 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1681 	uinfo->count = 1;
1682 	uinfo->value.integer.min = 0;
1683 	uinfo->value.integer.max = 1;
1684 	return 0;
1685 }
1686 
1687 static int snd_vt1724_pro_rate_reset_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1688 {
1689 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1690 	return 0;
1691 }
1692 
1693 static int snd_vt1724_pro_rate_reset_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1694 {
1695 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1696 	int change = 0, nval;
1697 
1698 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1699 	spin_lock_irq(&ice->reg_lock);
1700 	change = PRO_RATE_RESET != nval;
1701 	PRO_RATE_RESET = nval;
1702 	spin_unlock_irq(&ice->reg_lock);
1703 	return change;
1704 }
1705 
1706 static snd_kcontrol_new_t snd_vt1724_pro_rate_reset __devinitdata = {
1707 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1708 	.name = "Multi Track Rate Reset",
1709 	.info = snd_vt1724_pro_rate_reset_info,
1710 	.get = snd_vt1724_pro_rate_reset_get,
1711 	.put = snd_vt1724_pro_rate_reset_put
1712 };
1713 
1714 
1715 /*
1716  * routing
1717  */
1718 static int snd_vt1724_pro_route_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1719 {
1720 	static char *texts[] = {
1721 		"PCM Out", /* 0 */
1722 		"H/W In 0", "H/W In 1", /* 1-2 */
1723 		"IEC958 In L", "IEC958 In R", /* 3-4 */
1724 	};
1725 
1726 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1727 	uinfo->count = 1;
1728 	uinfo->value.enumerated.items = 5;
1729 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1730 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1731 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1732 	return 0;
1733 }
1734 
1735 static inline int analog_route_shift(int idx)
1736 {
1737 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1738 }
1739 
1740 static inline int digital_route_shift(int idx)
1741 {
1742 	return idx * 3;
1743 }
1744 
1745 static int get_route_val(ice1712_t *ice, int shift)
1746 {
1747 	unsigned long val;
1748 	unsigned char eitem;
1749 	static unsigned char xlate[8] = {
1750 		0, 255, 1, 2, 255, 255, 3, 4,
1751 	};
1752 
1753 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1754 	val >>= shift;
1755 	val &= 7;	//we now have 3 bits per output
1756 	eitem = xlate[val];
1757 	if (eitem == 255) {
1758 		snd_BUG();
1759 		return 0;
1760 	}
1761 	return eitem;
1762 }
1763 
1764 static int put_route_val(ice1712_t *ice, unsigned int val, int shift)
1765 {
1766 	unsigned int old_val, nval;
1767 	int change;
1768 	static unsigned char xroute[8] = {
1769 		0, /* PCM */
1770 		2, /* PSDIN0 Left */
1771 		3, /* PSDIN0 Right */
1772 		6, /* SPDIN Left */
1773 		7, /* SPDIN Right */
1774 	};
1775 
1776 	nval = xroute[val % 5];
1777 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1778 	val &= ~(0x07 << shift);
1779 	val |= nval << shift;
1780 	change = val != old_val;
1781 	if (change)
1782 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1783 	return change;
1784 }
1785 
1786 static int snd_vt1724_pro_route_analog_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1787 {
1788 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1789 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1790 	ucontrol->value.enumerated.item[0] = get_route_val(ice, analog_route_shift(idx));
1791 	return 0;
1792 }
1793 
1794 static int snd_vt1724_pro_route_analog_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1795 {
1796 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1797 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1798 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1799 			     analog_route_shift(idx));
1800 }
1801 
1802 static int snd_vt1724_pro_route_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1803 {
1804 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1805 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1806 	ucontrol->value.enumerated.item[0] = get_route_val(ice, digital_route_shift(idx));
1807 	return 0;
1808 }
1809 
1810 static int snd_vt1724_pro_route_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1811 {
1812 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1813 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1814 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1815 			     digital_route_shift(idx));
1816 }
1817 
1818 static snd_kcontrol_new_t snd_vt1724_mixer_pro_analog_route __devinitdata = {
1819 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1820 	.name = "H/W Playback Route",
1821 	.info = snd_vt1724_pro_route_info,
1822 	.get = snd_vt1724_pro_route_analog_get,
1823 	.put = snd_vt1724_pro_route_analog_put,
1824 };
1825 
1826 static snd_kcontrol_new_t snd_vt1724_mixer_pro_spdif_route __devinitdata = {
1827 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1828 	.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Route",
1829 	.info = snd_vt1724_pro_route_info,
1830 	.get = snd_vt1724_pro_route_spdif_get,
1831 	.put = snd_vt1724_pro_route_spdif_put,
1832 	.count = 2,
1833 };
1834 
1835 
1836 static int snd_vt1724_pro_peak_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1837 {
1838 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1839 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
1840 	uinfo->value.integer.min = 0;
1841 	uinfo->value.integer.max = 255;
1842 	return 0;
1843 }
1844 
1845 static int snd_vt1724_pro_peak_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1846 {
1847 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1848 	int idx;
1849 
1850 	spin_lock_irq(&ice->reg_lock);
1851 	for (idx = 0; idx < 22; idx++) {
1852 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
1853 		ucontrol->value.integer.value[idx] = inb(ICEMT1724(ice, MONITOR_PEAKDATA));
1854 	}
1855 	spin_unlock_irq(&ice->reg_lock);
1856 	return 0;
1857 }
1858 
1859 static snd_kcontrol_new_t snd_vt1724_mixer_pro_peak __devinitdata = {
1860 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1861 	.name = "Multi Track Peak",
1862 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1863 	.info = snd_vt1724_pro_peak_info,
1864 	.get = snd_vt1724_pro_peak_get
1865 };
1866 
1867 /*
1868  *
1869  */
1870 
1871 static struct snd_ice1712_card_info no_matched __devinitdata;
1872 
1873 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
1874 	snd_vt1724_revo_cards,
1875 	snd_vt1724_amp_cards,
1876 	snd_vt1724_aureon_cards,
1877 	snd_vt1720_mobo_cards,
1878 	snd_vt1720_pontis_cards,
1879 	snd_vt1724_prodigy192_cards,
1880 	snd_vt1724_juli_cards,
1881 	snd_vt1724_phase_cards,
1882 	NULL,
1883 };
1884 
1885 
1886 /*
1887  */
1888 
1889 static void wait_i2c_busy(ice1712_t *ice)
1890 {
1891 	int t = 0x10000;
1892 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
1893 		;
1894 	if (t == -1)
1895 		printk(KERN_ERR "ice1724: i2c busy timeout\n");
1896 }
1897 
1898 unsigned char snd_vt1724_read_i2c(ice1712_t *ice, unsigned char dev, unsigned char addr)
1899 {
1900 	unsigned char val;
1901 
1902 	down(&ice->i2c_mutex);
1903 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1904 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1905 	wait_i2c_busy(ice);
1906 	val = inb(ICEREG1724(ice, I2C_DATA));
1907 	up(&ice->i2c_mutex);
1908 	//printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
1909 	return val;
1910 }
1911 
1912 void snd_vt1724_write_i2c(ice1712_t *ice, unsigned char dev, unsigned char addr, unsigned char data)
1913 {
1914 	down(&ice->i2c_mutex);
1915 	wait_i2c_busy(ice);
1916 	//printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
1917 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1918 	outb(data, ICEREG1724(ice, I2C_DATA));
1919 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1920 	wait_i2c_busy(ice);
1921 	up(&ice->i2c_mutex);
1922 }
1923 
1924 static int __devinit snd_vt1724_read_eeprom(ice1712_t *ice, const char *modelname)
1925 {
1926 	const int dev = 0xa0;		/* EEPROM device address */
1927 	unsigned int i, size;
1928 	struct snd_ice1712_card_info **tbl, *c;
1929 
1930 	if (! modelname || ! *modelname) {
1931 		ice->eeprom.subvendor = 0;
1932 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
1933 			ice->eeprom.subvendor =
1934 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
1935 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
1936 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
1937 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
1938 		if (ice->eeprom.subvendor == 0 || ice->eeprom.subvendor == (unsigned int)-1) {
1939 			/* invalid subvendor from EEPROM, try the PCI subststem ID instead */
1940 			u16 vendor, device;
1941 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID, &vendor);
1942 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
1943 			ice->eeprom.subvendor = ((unsigned int)swab16(vendor) << 16) | swab16(device);
1944 			if (ice->eeprom.subvendor == 0 || ice->eeprom.subvendor == (unsigned int)-1) {
1945 				printk(KERN_ERR "ice1724: No valid ID is found\n");
1946 				return -ENXIO;
1947 			}
1948 		}
1949 	}
1950 	for (tbl = card_tables; *tbl; tbl++) {
1951 		for (c = *tbl; c->subvendor; c++) {
1952 			if (modelname && c->model && ! strcmp(modelname, c->model)) {
1953 				printk(KERN_INFO "ice1724: Using board model %s\n", c->name);
1954 				ice->eeprom.subvendor = c->subvendor;
1955 			} else if (c->subvendor != ice->eeprom.subvendor)
1956 				continue;
1957 			if (! c->eeprom_size || ! c->eeprom_data)
1958 				goto found;
1959 			/* if the EEPROM is given by the driver, use it */
1960 			snd_printdd("using the defined eeprom..\n");
1961 			ice->eeprom.version = 2;
1962 			ice->eeprom.size = c->eeprom_size + 6;
1963 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
1964 			goto read_skipped;
1965 		}
1966 	}
1967 	printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n", ice->eeprom.subvendor);
1968 
1969  found:
1970 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
1971 	if (ice->eeprom.size < 6)
1972 		ice->eeprom.size = 32;
1973 	else if (ice->eeprom.size > 32) {
1974 		printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n", ice->eeprom.size);
1975 		return -EIO;
1976 	}
1977 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
1978 	if (ice->eeprom.version != 2)
1979 		printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n", ice->eeprom.version);
1980 	size = ice->eeprom.size - 6;
1981 	for (i = 0; i < size; i++)
1982 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
1983 
1984  read_skipped:
1985 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
1986 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
1987 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
1988 
1989 	return 0;
1990 }
1991 
1992 
1993 
1994 static int __devinit snd_vt1724_chip_init(ice1712_t *ice)
1995 {
1996 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
1997 	udelay(200);
1998 	outb(0, ICEREG1724(ice, CONTROL));
1999 	udelay(200);
2000 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2001 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2002 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2003 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2004 
2005 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2006 	ice->gpio.direction = ice->eeprom.gpiodir;
2007 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2008 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2009 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2010 
2011 	outb(0, ICEREG1724(ice, POWERDOWN));
2012 
2013 	return 0;
2014 }
2015 
2016 static int __devinit snd_vt1724_spdif_build_controls(ice1712_t *ice)
2017 {
2018 	int err;
2019 	snd_kcontrol_t *kctl;
2020 
2021 	snd_assert(ice->pcm != NULL, return -EIO);
2022 
2023 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2024 	if (err < 0)
2025 		return err;
2026 
2027 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2028 	if (err < 0)
2029 		return err;
2030 
2031 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2032 	if (err < 0)
2033 		return err;
2034 	kctl->id.device = ice->pcm->device;
2035 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2036 	if (err < 0)
2037 		return err;
2038 	kctl->id.device = ice->pcm->device;
2039 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2040 	if (err < 0)
2041 		return err;
2042 	kctl->id.device = ice->pcm->device;
2043 #if 0 /* use default only */
2044 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2045 	if (err < 0)
2046 		return err;
2047 	kctl->id.device = ice->pcm->device;
2048 	ice->spdif.stream_ctl = kctl;
2049 #endif
2050 	return 0;
2051 }
2052 
2053 
2054 static int __devinit snd_vt1724_build_controls(ice1712_t *ice)
2055 {
2056 	int err;
2057 
2058 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2059 	if (err < 0)
2060 		return err;
2061 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2062 	if (err < 0)
2063 		return err;
2064 
2065 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2066 	if (err < 0)
2067 		return err;
2068 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2069 	if (err < 0)
2070 		return err;
2071 
2072 	if (ice->num_total_dacs > 0) {
2073 		snd_kcontrol_new_t tmp = snd_vt1724_mixer_pro_analog_route;
2074 		tmp.count = ice->num_total_dacs;
2075 		if (ice->vt1720 && tmp.count > 2)
2076 			tmp.count = 2;
2077 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2078 		if (err < 0)
2079 			return err;
2080 	}
2081 
2082 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2083 	if (err < 0)
2084 		return err;
2085 
2086 	return 0;
2087 }
2088 
2089 static int snd_vt1724_free(ice1712_t *ice)
2090 {
2091 	if (! ice->port)
2092 		goto __hw_end;
2093 	/* mask all interrupts */
2094 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2095 	outb(0xff, ICEREG1724(ice, IRQMASK));
2096 	/* --- */
2097       __hw_end:
2098 	if (ice->irq >= 0) {
2099 		synchronize_irq(ice->irq);
2100 		free_irq(ice->irq, (void *) ice);
2101 	}
2102 	pci_release_regions(ice->pci);
2103 	snd_ice1712_akm4xxx_free(ice);
2104 	pci_disable_device(ice->pci);
2105 	kfree(ice);
2106 	return 0;
2107 }
2108 
2109 static int snd_vt1724_dev_free(snd_device_t *device)
2110 {
2111 	ice1712_t *ice = device->device_data;
2112 	return snd_vt1724_free(ice);
2113 }
2114 
2115 static int __devinit snd_vt1724_create(snd_card_t * card,
2116 				       struct pci_dev *pci,
2117 				       const char *modelname,
2118 				       ice1712_t ** r_ice1712)
2119 {
2120 	ice1712_t *ice;
2121 	int err;
2122 	unsigned char mask;
2123 	static snd_device_ops_t ops = {
2124 		.dev_free =	snd_vt1724_dev_free,
2125 	};
2126 
2127 	*r_ice1712 = NULL;
2128 
2129         /* enable PCI device */
2130 	if ((err = pci_enable_device(pci)) < 0)
2131 		return err;
2132 
2133 	ice = kcalloc(1, sizeof(*ice), GFP_KERNEL);
2134 	if (ice == NULL) {
2135 		pci_disable_device(pci);
2136 		return -ENOMEM;
2137 	}
2138 	ice->vt1724 = 1;
2139 	spin_lock_init(&ice->reg_lock);
2140 	init_MUTEX(&ice->gpio_mutex);
2141 	init_MUTEX(&ice->open_mutex);
2142 	init_MUTEX(&ice->i2c_mutex);
2143 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2144 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2145 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2146 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2147 	ice->card = card;
2148 	ice->pci = pci;
2149 	ice->irq = -1;
2150 	pci_set_master(pci);
2151 	snd_vt1724_proc_init(ice);
2152 	synchronize_irq(pci->irq);
2153 
2154 	if ((err = pci_request_regions(pci, "ICE1724")) < 0) {
2155 		kfree(ice);
2156 		pci_disable_device(pci);
2157 		return err;
2158 	}
2159 	ice->port = pci_resource_start(pci, 0);
2160 	ice->profi_port = pci_resource_start(pci, 1);
2161 
2162 	if (request_irq(pci->irq, snd_vt1724_interrupt, SA_INTERRUPT|SA_SHIRQ, "ICE1724", (void *) ice)) {
2163 		snd_printk("unable to grab IRQ %d\n", pci->irq);
2164 		snd_vt1724_free(ice);
2165 		return -EIO;
2166 	}
2167 
2168 	ice->irq = pci->irq;
2169 
2170 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2171 		snd_vt1724_free(ice);
2172 		return -EIO;
2173 	}
2174 	if (snd_vt1724_chip_init(ice) < 0) {
2175 		snd_vt1724_free(ice);
2176 		return -EIO;
2177 	}
2178 
2179 	/* unmask used interrupts */
2180 	if (! (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401))
2181 		mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2182 	else
2183 		mask = 0;
2184 	outb(mask, ICEREG1724(ice, IRQMASK));
2185 	/* don't handle FIFO overrun/underruns (just yet), since they cause machine lockups */
2186 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2187 
2188 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops)) < 0) {
2189 		snd_vt1724_free(ice);
2190  		return err;
2191 	}
2192 
2193 	snd_card_set_dev(card, &pci->dev);
2194 
2195 	*r_ice1712 = ice;
2196 	return 0;
2197 }
2198 
2199 
2200 /*
2201  *
2202  * Registration
2203  *
2204  */
2205 
2206 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2207 				      const struct pci_device_id *pci_id)
2208 {
2209 	static int dev;
2210 	snd_card_t *card;
2211 	ice1712_t *ice;
2212 	int pcm_dev = 0, err;
2213 	struct snd_ice1712_card_info **tbl, *c;
2214 
2215 	if (dev >= SNDRV_CARDS)
2216 		return -ENODEV;
2217 	if (!enable[dev]) {
2218 		dev++;
2219 		return -ENOENT;
2220 	}
2221 
2222 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2223 	if (card == NULL)
2224 		return -ENOMEM;
2225 
2226 	strcpy(card->driver, "ICE1724");
2227 	strcpy(card->shortname, "ICEnsemble ICE1724");
2228 
2229 	if ((err = snd_vt1724_create(card, pci, model[dev], &ice)) < 0) {
2230 		snd_card_free(card);
2231 		return err;
2232 	}
2233 
2234 	for (tbl = card_tables; *tbl; tbl++) {
2235 		for (c = *tbl; c->subvendor; c++) {
2236 			if (c->subvendor == ice->eeprom.subvendor) {
2237 				strcpy(card->shortname, c->name);
2238 				if (c->driver) /* specific driver? */
2239 					strcpy(card->driver, c->driver);
2240 				if (c->chip_init) {
2241 					if ((err = c->chip_init(ice)) < 0) {
2242 						snd_card_free(card);
2243 						return err;
2244 					}
2245 				}
2246 				goto __found;
2247 			}
2248 		}
2249 	}
2250 	c = &no_matched;
2251  __found:
2252 
2253 	if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
2254 		snd_card_free(card);
2255 		return err;
2256 	}
2257 
2258 	if ((err = snd_vt1724_pcm_spdif(ice, pcm_dev++)) < 0) {
2259 		snd_card_free(card);
2260 		return err;
2261 	}
2262 
2263 	if ((err = snd_vt1724_pcm_indep(ice, pcm_dev++)) < 0) {
2264 		snd_card_free(card);
2265 		return err;
2266 	}
2267 
2268 	if ((err = snd_vt1724_ac97_mixer(ice)) < 0) {
2269 		snd_card_free(card);
2270 		return err;
2271 	}
2272 
2273 	if ((err = snd_vt1724_build_controls(ice)) < 0) {
2274 		snd_card_free(card);
2275 		return err;
2276 	}
2277 
2278 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2279 		if ((err = snd_vt1724_spdif_build_controls(ice)) < 0) {
2280 			snd_card_free(card);
2281 			return err;
2282 		}
2283 	}
2284 
2285 	if (c->build_controls) {
2286 		if ((err = c->build_controls(ice)) < 0) {
2287 			snd_card_free(card);
2288 			return err;
2289 		}
2290 	}
2291 
2292 	if (! c->no_mpu401) {
2293 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2294 			if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ICE1712,
2295 						       ICEREG1724(ice, MPU_CTRL), 1,
2296 						       ice->irq, 0,
2297 						       &ice->rmidi[0])) < 0) {
2298 				snd_card_free(card);
2299 				return err;
2300 			}
2301 		}
2302 	}
2303 
2304 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2305 		card->shortname, ice->port, ice->irq);
2306 
2307 	if ((err = snd_card_register(card)) < 0) {
2308 		snd_card_free(card);
2309 		return err;
2310 	}
2311 	pci_set_drvdata(pci, card);
2312 	dev++;
2313 	return 0;
2314 }
2315 
2316 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2317 {
2318 	snd_card_free(pci_get_drvdata(pci));
2319 	pci_set_drvdata(pci, NULL);
2320 }
2321 
2322 static struct pci_driver driver = {
2323 	.name = "ICE1724",
2324 	.id_table = snd_vt1724_ids,
2325 	.probe = snd_vt1724_probe,
2326 	.remove = __devexit_p(snd_vt1724_remove),
2327 };
2328 
2329 static int __init alsa_card_ice1724_init(void)
2330 {
2331 	return pci_module_init(&driver);
2332 }
2333 
2334 static void __exit alsa_card_ice1724_exit(void)
2335 {
2336 	pci_unregister_driver(&driver);
2337 }
2338 
2339 module_init(alsa_card_ice1724_init)
2340 module_exit(alsa_card_ice1724_exit)
2341