xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision 64c70b1c)
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 snd_pcm_substream *s;
341 
342 	what = 0;
343 	snd_pcm_group_for_each_entry(s, substream) {
344 		const struct vt1724_pcm_reg *reg;
345 		reg = s->runtime->private_data;
346 		what |= reg->start;
347 		snd_pcm_trigger_done(s, substream);
348 	}
349 
350 	switch (cmd) {
351 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
352 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
353 		spin_lock(&ice->reg_lock);
354 		old = inb(ICEMT1724(ice, DMA_PAUSE));
355 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
356 			old |= what;
357 		else
358 			old &= ~what;
359 		outb(old, ICEMT1724(ice, DMA_PAUSE));
360 		spin_unlock(&ice->reg_lock);
361 		break;
362 
363 	case SNDRV_PCM_TRIGGER_START:
364 	case SNDRV_PCM_TRIGGER_STOP:
365 		spin_lock(&ice->reg_lock);
366 		old = inb(ICEMT1724(ice, DMA_CONTROL));
367 		if (cmd == SNDRV_PCM_TRIGGER_START)
368 			old |= what;
369 		else
370 			old &= ~what;
371 		outb(old, ICEMT1724(ice, DMA_CONTROL));
372 		spin_unlock(&ice->reg_lock);
373 		break;
374 
375 	default:
376 		return -EINVAL;
377 	}
378 	return 0;
379 }
380 
381 /*
382  */
383 
384 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
385 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
386 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
387 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
388 
389 static int get_max_rate(struct snd_ice1712 *ice)
390 {
391 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
392 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
393 			return 192000;
394 		else
395 			return 96000;
396 	} else
397 		return 48000;
398 }
399 
400 static void snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
401 				    int force)
402 {
403 	unsigned long flags;
404 	unsigned char val, old;
405 	unsigned int i, mclk_change;
406 
407 	if (rate > get_max_rate(ice))
408 		return;
409 
410 	switch (rate) {
411 	case 8000: val = 6; break;
412 	case 9600: val = 3; break;
413 	case 11025: val = 10; break;
414 	case 12000: val = 2; break;
415 	case 16000: val = 5; break;
416 	case 22050: val = 9; break;
417 	case 24000: val = 1; break;
418 	case 32000: val = 4; break;
419 	case 44100: val = 8; break;
420 	case 48000: val = 0; break;
421 	case 64000: val = 15; break;
422 	case 88200: val = 11; break;
423 	case 96000: val = 7; break;
424 	case 176400: val = 12; break;
425 	case 192000: val = 14; break;
426 	default:
427 		snd_BUG();
428 		val = 0;
429 		break;
430 	}
431 
432 	spin_lock_irqsave(&ice->reg_lock, flags);
433 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
434 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
435 		/* running? we cannot change the rate now... */
436 		spin_unlock_irqrestore(&ice->reg_lock, flags);
437 		return;
438 	}
439 	if (!force && is_pro_rate_locked(ice)) {
440 		spin_unlock_irqrestore(&ice->reg_lock, flags);
441 		return;
442 	}
443 
444 	old = inb(ICEMT1724(ice, RATE));
445 	if (force || old != val)
446 		outb(val, ICEMT1724(ice, RATE));
447 	else if (rate == ice->cur_rate) {
448 		spin_unlock_irqrestore(&ice->reg_lock, flags);
449 		return;
450 	}
451 
452 	ice->cur_rate = rate;
453 
454 	/* check MT02 */
455 	mclk_change = 0;
456 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
457 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
458 		if (rate > 96000)
459 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
460 		else
461 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
462 		if (val != old) {
463 			outb(val, ICEMT1724(ice, I2S_FORMAT));
464 			mclk_change = 1;
465 		}
466 	}
467 	spin_unlock_irqrestore(&ice->reg_lock, flags);
468 
469 	if (mclk_change && ice->gpio.i2s_mclk_changed)
470 		ice->gpio.i2s_mclk_changed(ice);
471 	if (ice->gpio.set_pro_rate)
472 		ice->gpio.set_pro_rate(ice, rate);
473 
474 	/* set up codecs */
475 	for (i = 0; i < ice->akm_codecs; i++) {
476 		if (ice->akm[i].ops.set_rate_val)
477 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
478 	}
479 	if (ice->spdif.ops.setup_rate)
480 		ice->spdif.ops.setup_rate(ice, rate);
481 }
482 
483 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
484 				    struct snd_pcm_hw_params *hw_params)
485 {
486 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
487 	int i, chs;
488 
489 	chs = params_channels(hw_params);
490 	mutex_lock(&ice->open_mutex);
491 	/* mark surround channels */
492 	if (substream == ice->playback_pro_substream) {
493 		/* PDMA0 can be multi-channel up to 8 */
494 		chs = chs / 2 - 1;
495 		for (i = 0; i < chs; i++) {
496 			if (ice->pcm_reserved[i] &&
497 			    ice->pcm_reserved[i] != substream) {
498 				mutex_unlock(&ice->open_mutex);
499 				return -EBUSY;
500 			}
501 			ice->pcm_reserved[i] = substream;
502 		}
503 		for (; i < 3; i++) {
504 			if (ice->pcm_reserved[i] == substream)
505 				ice->pcm_reserved[i] = NULL;
506 		}
507 	} else {
508 		for (i = 0; i < 3; i++) {
509 			/* check individual playback stream */
510 			if (ice->playback_con_substream_ds[i] == substream) {
511 				if (ice->pcm_reserved[i] &&
512 				    ice->pcm_reserved[i] != substream) {
513 					mutex_unlock(&ice->open_mutex);
514 					return -EBUSY;
515 				}
516 				ice->pcm_reserved[i] = substream;
517 				break;
518 			}
519 		}
520 	}
521 	mutex_unlock(&ice->open_mutex);
522 	snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
523 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
524 }
525 
526 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
527 {
528 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
529 	int i;
530 
531 	mutex_lock(&ice->open_mutex);
532 	/* unmark surround channels */
533 	for (i = 0; i < 3; i++)
534 		if (ice->pcm_reserved[i] == substream)
535 			ice->pcm_reserved[i] = NULL;
536 	mutex_unlock(&ice->open_mutex);
537 	return snd_pcm_lib_free_pages(substream);
538 }
539 
540 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
541 {
542 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
543 	unsigned char val;
544 	unsigned int size;
545 
546 	spin_lock_irq(&ice->reg_lock);
547 	val = (8 - substream->runtime->channels) >> 1;
548 	outb(val, ICEMT1724(ice, BURST));
549 
550 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
551 
552 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
553 	// outl(size, ICEMT1724(ice, PLAYBACK_SIZE));
554 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
555 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
556 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
557 	// outl(size, ICEMT1724(ice, PLAYBACK_COUNT));
558 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
559 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
560 
561 	spin_unlock_irq(&ice->reg_lock);
562 
563 	// 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));
564 	return 0;
565 }
566 
567 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
568 {
569 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
570 	size_t ptr;
571 
572 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
573 		return 0;
574 #if 0 /* read PLAYBACK_ADDR */
575 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
576 	if (ptr < substream->runtime->dma_addr) {
577 		snd_printd("ice1724: invalid negative ptr\n");
578 		return 0;
579 	}
580 	ptr -= substream->runtime->dma_addr;
581 	ptr = bytes_to_frames(substream->runtime, ptr);
582 	if (ptr >= substream->runtime->buffer_size) {
583 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
584 			   (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",
597 			   (int)ptr, (int)substream->runtime->buffer_size);
598 		ptr = 0;
599 	}
600 #endif
601 	return ptr;
602 }
603 
604 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
605 {
606 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
607 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
608 
609 	spin_lock_irq(&ice->reg_lock);
610 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
611 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
612 	     ice->profi_port + reg->size);
613 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
614 	     ice->profi_port + reg->count);
615 	spin_unlock_irq(&ice->reg_lock);
616 	return 0;
617 }
618 
619 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
620 {
621 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
622 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
623 	size_t ptr;
624 
625 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
626 		return 0;
627 #if 0 /* use ADDR register */
628 	ptr = inl(ice->profi_port + reg->addr);
629 	ptr -= substream->runtime->dma_addr;
630 	return bytes_to_frames(substream->runtime, ptr);
631 #else /* use SIZE register */
632 	ptr = inw(ice->profi_port + reg->size);
633 	ptr = (ptr + 1) << 2;
634 	ptr = bytes_to_frames(substream->runtime, ptr);
635 	if (! ptr)
636 		;
637 	else if (ptr <= substream->runtime->buffer_size)
638 		ptr = substream->runtime->buffer_size - ptr;
639 	else {
640 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
641 			   (int)ptr, (int)substream->runtime->buffer_size);
642 		ptr = 0;
643 	}
644 	return ptr;
645 #endif
646 }
647 
648 static const struct vt1724_pcm_reg vt1724_playback_pro_reg = {
649 	.addr = VT1724_MT_PLAYBACK_ADDR,
650 	.size = VT1724_MT_PLAYBACK_SIZE,
651 	.count = VT1724_MT_PLAYBACK_COUNT,
652 	.start = VT1724_PDMA0_START,
653 };
654 
655 static const struct vt1724_pcm_reg vt1724_capture_pro_reg = {
656 	.addr = VT1724_MT_CAPTURE_ADDR,
657 	.size = VT1724_MT_CAPTURE_SIZE,
658 	.count = VT1724_MT_CAPTURE_COUNT,
659 	.start = VT1724_RDMA0_START,
660 };
661 
662 static const struct snd_pcm_hardware snd_vt1724_playback_pro =
663 {
664 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
665 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
666 				 SNDRV_PCM_INFO_MMAP_VALID |
667 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
668 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
669 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
670 	.rate_min =		8000,
671 	.rate_max =		192000,
672 	.channels_min =		2,
673 	.channels_max =		8,
674 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
675 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
676 	.period_bytes_max =	(1UL << 21),
677 	.periods_min =		2,
678 	.periods_max =		1024,
679 };
680 
681 static const struct snd_pcm_hardware snd_vt1724_spdif =
682 {
683 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
684 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
685 				 SNDRV_PCM_INFO_MMAP_VALID |
686 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
687 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
688 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
689 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
690 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
691 				 SNDRV_PCM_RATE_192000),
692 	.rate_min =		32000,
693 	.rate_max =		192000,
694 	.channels_min =		2,
695 	.channels_max =		2,
696 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
697 	.period_bytes_min =	2 * 4 * 2,
698 	.period_bytes_max =	(1UL << 18),
699 	.periods_min =		2,
700 	.periods_max =		1024,
701 };
702 
703 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo =
704 {
705 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
706 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
707 				 SNDRV_PCM_INFO_MMAP_VALID |
708 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
709 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
710 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
711 	.rate_min =		8000,
712 	.rate_max =		192000,
713 	.channels_min =		2,
714 	.channels_max =		2,
715 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
716 	.period_bytes_min =	2 * 4 * 2,
717 	.period_bytes_max =	(1UL << 18),
718 	.periods_min =		2,
719 	.periods_max =		1024,
720 };
721 
722 /*
723  * set rate constraints
724  */
725 static int set_rate_constraints(struct snd_ice1712 *ice,
726 				struct snd_pcm_substream *substream)
727 {
728 	struct snd_pcm_runtime *runtime = substream->runtime;
729 	if (ice->hw_rates) {
730 		/* hardware specific */
731 		runtime->hw.rate_min = ice->hw_rates->list[0];
732 		runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
733 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
734 		return snd_pcm_hw_constraint_list(runtime, 0,
735 						  SNDRV_PCM_HW_PARAM_RATE,
736 						  ice->hw_rates);
737 	}
738 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
739 		/* I2S */
740 		/* VT1720 doesn't support more than 96kHz */
741 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
742 			return snd_pcm_hw_constraint_list(runtime, 0,
743 							  SNDRV_PCM_HW_PARAM_RATE,
744 							  &hw_constraints_rates_192);
745 		else {
746 			runtime->hw.rates = SNDRV_PCM_RATE_KNOT |
747 				SNDRV_PCM_RATE_8000_96000;
748 			runtime->hw.rate_max = 96000;
749 			return snd_pcm_hw_constraint_list(runtime, 0,
750 							  SNDRV_PCM_HW_PARAM_RATE,
751 							  &hw_constraints_rates_96);
752 		}
753 	} else if (ice->ac97) {
754 		/* ACLINK */
755 		runtime->hw.rate_max = 48000;
756 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000;
757 		return snd_pcm_hw_constraint_list(runtime, 0,
758 						  SNDRV_PCM_HW_PARAM_RATE,
759 						  &hw_constraints_rates_48);
760 	}
761 	return 0;
762 }
763 
764 /* multi-channel playback needs alignment 8x32bit regardless of the channels
765  * actually used
766  */
767 #define VT1724_BUFFER_ALIGN	0x20
768 
769 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
770 {
771 	struct snd_pcm_runtime *runtime = substream->runtime;
772 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
773 	int chs;
774 
775 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
776 	ice->playback_pro_substream = substream;
777 	runtime->hw = snd_vt1724_playback_pro;
778 	snd_pcm_set_sync(substream);
779 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
780 	set_rate_constraints(ice, substream);
781 	mutex_lock(&ice->open_mutex);
782 	/* calculate the currently available channels */
783 	for (chs = 0; chs < 3; chs++) {
784 		if (ice->pcm_reserved[chs])
785 			break;
786 	}
787 	chs = (chs + 1) * 2;
788 	runtime->hw.channels_max = chs;
789 	if (chs > 2) /* channels must be even */
790 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
791 	mutex_unlock(&ice->open_mutex);
792 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
793 				   VT1724_BUFFER_ALIGN);
794 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
795 				   VT1724_BUFFER_ALIGN);
796 	return 0;
797 }
798 
799 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
800 {
801 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
802 	struct snd_pcm_runtime *runtime = substream->runtime;
803 
804 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
805 	ice->capture_pro_substream = substream;
806 	runtime->hw = snd_vt1724_2ch_stereo;
807 	snd_pcm_set_sync(substream);
808 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
809 	set_rate_constraints(ice, substream);
810 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
811 				   VT1724_BUFFER_ALIGN);
812 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
813 				   VT1724_BUFFER_ALIGN);
814 	return 0;
815 }
816 
817 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
818 {
819 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
820 
821 	if (PRO_RATE_RESET)
822 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
823 	ice->playback_pro_substream = NULL;
824 
825 	return 0;
826 }
827 
828 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
829 {
830 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
831 
832 	if (PRO_RATE_RESET)
833 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
834 	ice->capture_pro_substream = NULL;
835 	return 0;
836 }
837 
838 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
839 	.open =		snd_vt1724_playback_pro_open,
840 	.close =	snd_vt1724_playback_pro_close,
841 	.ioctl =	snd_pcm_lib_ioctl,
842 	.hw_params =	snd_vt1724_pcm_hw_params,
843 	.hw_free =	snd_vt1724_pcm_hw_free,
844 	.prepare =	snd_vt1724_playback_pro_prepare,
845 	.trigger =	snd_vt1724_pcm_trigger,
846 	.pointer =	snd_vt1724_playback_pro_pointer,
847 };
848 
849 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
850 	.open =		snd_vt1724_capture_pro_open,
851 	.close =	snd_vt1724_capture_pro_close,
852 	.ioctl =	snd_pcm_lib_ioctl,
853 	.hw_params =	snd_vt1724_pcm_hw_params,
854 	.hw_free =	snd_vt1724_pcm_hw_free,
855 	.prepare =	snd_vt1724_pcm_prepare,
856 	.trigger =	snd_vt1724_pcm_trigger,
857 	.pointer =	snd_vt1724_pcm_pointer,
858 };
859 
860 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 * ice, int device)
861 {
862 	struct snd_pcm *pcm;
863 	int err;
864 
865 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
866 	if (err < 0)
867 		return err;
868 
869 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
870 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
871 
872 	pcm->private_data = ice;
873 	pcm->info_flags = 0;
874 	strcpy(pcm->name, "ICE1724");
875 
876 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
877 					      snd_dma_pci_data(ice->pci),
878 					      256*1024, 256*1024);
879 
880 	ice->pcm_pro = pcm;
881 
882 	return 0;
883 }
884 
885 
886 /*
887  * SPDIF PCM
888  */
889 
890 static const struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
891 	.addr = VT1724_MT_PDMA4_ADDR,
892 	.size = VT1724_MT_PDMA4_SIZE,
893 	.count = VT1724_MT_PDMA4_COUNT,
894 	.start = VT1724_PDMA4_START,
895 };
896 
897 static const struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
898 	.addr = VT1724_MT_RDMA1_ADDR,
899 	.size = VT1724_MT_RDMA1_SIZE,
900 	.count = VT1724_MT_RDMA1_COUNT,
901 	.start = VT1724_RDMA1_START,
902 };
903 
904 /* update spdif control bits; call with reg_lock */
905 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
906 {
907 	unsigned char cbit, disabled;
908 
909 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
910 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
911 	if (cbit != disabled)
912 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
913 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
914 	if (cbit != disabled)
915 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
916 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
917 }
918 
919 /* update SPDIF control bits according to the given rate */
920 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
921 {
922 	unsigned int val, nval;
923 	unsigned long flags;
924 
925 	spin_lock_irqsave(&ice->reg_lock, flags);
926 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
927 	nval &= ~(7 << 12);
928 	switch (rate) {
929 	case 44100: break;
930 	case 48000: nval |= 2 << 12; break;
931 	case 32000: nval |= 3 << 12; break;
932 	case 88200: nval |= 4 << 12; break;
933 	case 96000: nval |= 5 << 12; break;
934 	case 192000: nval |= 6 << 12; break;
935 	case 176400: nval |= 7 << 12; break;
936 	}
937 	if (val != nval)
938 		update_spdif_bits(ice, nval);
939 	spin_unlock_irqrestore(&ice->reg_lock, flags);
940 }
941 
942 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
943 {
944 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
945 	if (! ice->force_pdma4)
946 		update_spdif_rate(ice, substream->runtime->rate);
947 	return snd_vt1724_pcm_prepare(substream);
948 }
949 
950 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
951 {
952 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
953 	struct snd_pcm_runtime *runtime = substream->runtime;
954 
955 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
956 	ice->playback_con_substream = substream;
957 	if (ice->force_pdma4) {
958 		runtime->hw = snd_vt1724_2ch_stereo;
959 		set_rate_constraints(ice, substream);
960 	} else
961 		runtime->hw = snd_vt1724_spdif;
962 	snd_pcm_set_sync(substream);
963 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
964 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
965 				   VT1724_BUFFER_ALIGN);
966 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
967 				   VT1724_BUFFER_ALIGN);
968 	return 0;
969 }
970 
971 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
972 {
973 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
974 
975 	if (PRO_RATE_RESET)
976 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
977 	ice->playback_con_substream = NULL;
978 
979 	return 0;
980 }
981 
982 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
983 {
984 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
985 	struct snd_pcm_runtime *runtime = substream->runtime;
986 
987 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
988 	ice->capture_con_substream = substream;
989 	if (ice->force_rdma1) {
990 		runtime->hw = snd_vt1724_2ch_stereo;
991 		set_rate_constraints(ice, substream);
992 	} else
993 		runtime->hw = snd_vt1724_spdif;
994 	snd_pcm_set_sync(substream);
995 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
996 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
997 				   VT1724_BUFFER_ALIGN);
998 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
999 				   VT1724_BUFFER_ALIGN);
1000 	return 0;
1001 }
1002 
1003 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1004 {
1005 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1006 
1007 	if (PRO_RATE_RESET)
1008 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1009 	ice->capture_con_substream = NULL;
1010 
1011 	return 0;
1012 }
1013 
1014 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1015 	.open =		snd_vt1724_playback_spdif_open,
1016 	.close =	snd_vt1724_playback_spdif_close,
1017 	.ioctl =	snd_pcm_lib_ioctl,
1018 	.hw_params =	snd_vt1724_pcm_hw_params,
1019 	.hw_free =	snd_vt1724_pcm_hw_free,
1020 	.prepare =	snd_vt1724_playback_spdif_prepare,
1021 	.trigger =	snd_vt1724_pcm_trigger,
1022 	.pointer =	snd_vt1724_pcm_pointer,
1023 };
1024 
1025 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1026 	.open =		snd_vt1724_capture_spdif_open,
1027 	.close =	snd_vt1724_capture_spdif_close,
1028 	.ioctl =	snd_pcm_lib_ioctl,
1029 	.hw_params =	snd_vt1724_pcm_hw_params,
1030 	.hw_free =	snd_vt1724_pcm_hw_free,
1031 	.prepare =	snd_vt1724_pcm_prepare,
1032 	.trigger =	snd_vt1724_pcm_trigger,
1033 	.pointer =	snd_vt1724_pcm_pointer,
1034 };
1035 
1036 
1037 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 * ice, int device)
1038 {
1039 	char *name;
1040 	struct snd_pcm *pcm;
1041 	int play, capt;
1042 	int err;
1043 
1044 	if (ice->force_pdma4 ||
1045 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1046 		play = 1;
1047 		ice->has_spdif = 1;
1048 	} else
1049 		play = 0;
1050 	if (ice->force_rdma1 ||
1051 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1052 		capt = 1;
1053 		ice->has_spdif = 1;
1054 	} else
1055 		capt = 0;
1056 	if (! play && ! capt)
1057 		return 0; /* no spdif device */
1058 
1059 	if (ice->force_pdma4 || ice->force_rdma1)
1060 		name = "ICE1724 Secondary";
1061 	else
1062 		name = "IEC1724 IEC958";
1063 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1064 	if (err < 0)
1065 		return err;
1066 
1067 	if (play)
1068 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1069 				&snd_vt1724_playback_spdif_ops);
1070 	if (capt)
1071 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1072 				&snd_vt1724_capture_spdif_ops);
1073 
1074 	pcm->private_data = ice;
1075 	pcm->info_flags = 0;
1076 	strcpy(pcm->name, name);
1077 
1078 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1079 					      snd_dma_pci_data(ice->pci),
1080 					      64*1024, 64*1024);
1081 
1082 	ice->pcm = pcm;
1083 
1084 	return 0;
1085 }
1086 
1087 
1088 /*
1089  * independent surround PCMs
1090  */
1091 
1092 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1093 	{
1094 		.addr = VT1724_MT_PDMA1_ADDR,
1095 		.size = VT1724_MT_PDMA1_SIZE,
1096 		.count = VT1724_MT_PDMA1_COUNT,
1097 		.start = VT1724_PDMA1_START,
1098 	},
1099 	{
1100 		.addr = VT1724_MT_PDMA2_ADDR,
1101 		.size = VT1724_MT_PDMA2_SIZE,
1102 		.count = VT1724_MT_PDMA2_COUNT,
1103 		.start = VT1724_PDMA2_START,
1104 	},
1105 	{
1106 		.addr = VT1724_MT_PDMA3_ADDR,
1107 		.size = VT1724_MT_PDMA3_SIZE,
1108 		.count = VT1724_MT_PDMA3_COUNT,
1109 		.start = VT1724_PDMA3_START,
1110 	},
1111 };
1112 
1113 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1114 {
1115 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1116 	unsigned char val;
1117 
1118 	spin_lock_irq(&ice->reg_lock);
1119 	val = 3 - substream->number;
1120 	if (inb(ICEMT1724(ice, BURST)) < val)
1121 		outb(val, ICEMT1724(ice, BURST));
1122 	spin_unlock_irq(&ice->reg_lock);
1123 	return snd_vt1724_pcm_prepare(substream);
1124 }
1125 
1126 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1127 {
1128 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1129 	struct snd_pcm_runtime *runtime = substream->runtime;
1130 
1131 	mutex_lock(&ice->open_mutex);
1132 	/* already used by PDMA0? */
1133 	if (ice->pcm_reserved[substream->number]) {
1134 		mutex_unlock(&ice->open_mutex);
1135 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1136 	}
1137 	mutex_unlock(&ice->open_mutex);
1138 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1139 	ice->playback_con_substream_ds[substream->number] = substream;
1140 	runtime->hw = snd_vt1724_2ch_stereo;
1141 	snd_pcm_set_sync(substream);
1142 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1143 	set_rate_constraints(ice, substream);
1144 	return 0;
1145 }
1146 
1147 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1148 {
1149 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1150 
1151 	if (PRO_RATE_RESET)
1152 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1153 	ice->playback_con_substream_ds[substream->number] = NULL;
1154 	ice->pcm_reserved[substream->number] = NULL;
1155 
1156 	return 0;
1157 }
1158 
1159 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1160 	.open =		snd_vt1724_playback_indep_open,
1161 	.close =	snd_vt1724_playback_indep_close,
1162 	.ioctl =	snd_pcm_lib_ioctl,
1163 	.hw_params =	snd_vt1724_pcm_hw_params,
1164 	.hw_free =	snd_vt1724_pcm_hw_free,
1165 	.prepare =	snd_vt1724_playback_indep_prepare,
1166 	.trigger =	snd_vt1724_pcm_trigger,
1167 	.pointer =	snd_vt1724_pcm_pointer,
1168 };
1169 
1170 
1171 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 * ice, int device)
1172 {
1173 	struct snd_pcm *pcm;
1174 	int play;
1175 	int err;
1176 
1177 	play = ice->num_total_dacs / 2 - 1;
1178 	if (play <= 0)
1179 		return 0;
1180 
1181 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1182 	if (err < 0)
1183 		return err;
1184 
1185 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1186 			&snd_vt1724_playback_indep_ops);
1187 
1188 	pcm->private_data = ice;
1189 	pcm->info_flags = 0;
1190 	strcpy(pcm->name, "ICE1724 Surround PCM");
1191 
1192 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1193 					      snd_dma_pci_data(ice->pci),
1194 					      64*1024, 64*1024);
1195 
1196 	ice->pcm_ds = pcm;
1197 
1198 	return 0;
1199 }
1200 
1201 
1202 /*
1203  *  Mixer section
1204  */
1205 
1206 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 * ice)
1207 {
1208 	int err;
1209 
1210 	if (! (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1211 		struct snd_ac97_bus *pbus;
1212 		struct snd_ac97_template ac97;
1213 		static struct snd_ac97_bus_ops ops = {
1214 			.write = snd_vt1724_ac97_write,
1215 			.read = snd_vt1724_ac97_read,
1216 		};
1217 
1218 		/* cold reset */
1219 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1220 		mdelay(5); /* FIXME */
1221 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1222 
1223 		if ((err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus)) < 0)
1224 			return err;
1225 		memset(&ac97, 0, sizeof(ac97));
1226 		ac97.private_data = ice;
1227 		if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0)
1228 			printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1229 		else
1230 			return 0;
1231 	}
1232 	/* I2S mixer only */
1233 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1234 	return 0;
1235 }
1236 
1237 /*
1238  *
1239  */
1240 
1241 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1242 {
1243 	return (unsigned int)ice->eeprom.data[idx] | \
1244 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1245 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1246 }
1247 
1248 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1249 				 struct snd_info_buffer *buffer)
1250 {
1251 	struct snd_ice1712 *ice = entry->private_data;
1252 	unsigned int idx;
1253 
1254 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1255 	snd_iprintf(buffer, "EEPROM:\n");
1256 
1257 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1258 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1259 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1260 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1261 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1262 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1263 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1264 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1265 		    ice->eeprom.data[ICE_EEP2_I2S]);
1266 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1267 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1268 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1269 		    ice->eeprom.gpiodir);
1270 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1271 		    ice->eeprom.gpiomask);
1272 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1273 		    ice->eeprom.gpiostate);
1274 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1275 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1276 			    idx, ice->eeprom.data[idx]);
1277 
1278 	snd_iprintf(buffer, "\nRegisters:\n");
1279 
1280 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1281 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1282 	for (idx = 0x0; idx < 0x20 ; idx++)
1283 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1284 			    idx, inb(ice->port+idx));
1285 	for (idx = 0x0; idx < 0x30 ; idx++)
1286 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1287 			    idx, inb(ice->profi_port+idx));
1288 }
1289 
1290 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 * ice)
1291 {
1292 	struct snd_info_entry *entry;
1293 
1294 	if (! snd_card_proc_new(ice->card, "ice1724", &entry))
1295 		snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1296 }
1297 
1298 /*
1299  *
1300  */
1301 
1302 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1303 				  struct snd_ctl_elem_info *uinfo)
1304 {
1305 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1306 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1307 	return 0;
1308 }
1309 
1310 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1311 				 struct snd_ctl_elem_value *ucontrol)
1312 {
1313 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1314 
1315 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1316 	return 0;
1317 }
1318 
1319 static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1320 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1321 	.name = "ICE1724 EEPROM",
1322 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1323 	.info = snd_vt1724_eeprom_info,
1324 	.get = snd_vt1724_eeprom_get
1325 };
1326 
1327 /*
1328  */
1329 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1330 				 struct snd_ctl_elem_info *uinfo)
1331 {
1332 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1333 	uinfo->count = 1;
1334 	return 0;
1335 }
1336 
1337 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1338 {
1339 	unsigned int val, rbits;
1340 
1341 	val = diga->status[0] & 0x03; /* professional, non-audio */
1342 	if (val & 0x01) {
1343 		/* professional */
1344 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1345 		    IEC958_AES0_PRO_EMPHASIS_5015)
1346 			val |= 1U << 3;
1347 		rbits = (diga->status[4] >> 3) & 0x0f;
1348 		if (rbits) {
1349 			switch (rbits) {
1350 			case 2: val |= 5 << 12; break; /* 96k */
1351 			case 3: val |= 6 << 12; break; /* 192k */
1352 			case 10: val |= 4 << 12; break; /* 88.2k */
1353 			case 11: val |= 7 << 12; break; /* 176.4k */
1354 			}
1355 		} else {
1356 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1357 			case IEC958_AES0_PRO_FS_44100:
1358 				break;
1359 			case IEC958_AES0_PRO_FS_32000:
1360 				val |= 3U << 12;
1361 				break;
1362 			default:
1363 				val |= 2U << 12;
1364 				break;
1365 			}
1366 		}
1367 	} else {
1368 		/* consumer */
1369 		val |= diga->status[1] & 0x04; /* copyright */
1370 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1371 		    IEC958_AES0_CON_EMPHASIS_5015)
1372 			val |= 1U << 3;
1373 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1374 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1375 	}
1376 	return val;
1377 }
1378 
1379 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1380 {
1381 	memset(diga->status, 0, sizeof(diga->status));
1382 	diga->status[0] = val & 0x03; /* professional, non-audio */
1383 	if (val & 0x01) {
1384 		/* professional */
1385 		if (val & (1U << 3))
1386 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1387 		switch ((val >> 12) & 0x7) {
1388 		case 0:
1389 			break;
1390 		case 2:
1391 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1392 			break;
1393 		default:
1394 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1395 			break;
1396 		}
1397 	} else {
1398 		/* consumer */
1399 		diga->status[0] |= val & (1U << 2); /* copyright */
1400 		if (val & (1U << 3))
1401 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1402 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1403 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1404 	}
1405 }
1406 
1407 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1408 					struct snd_ctl_elem_value *ucontrol)
1409 {
1410 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1411 	unsigned int val;
1412 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1413 	decode_spdif_bits(&ucontrol->value.iec958, val);
1414 	return 0;
1415 }
1416 
1417 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1418 					 struct snd_ctl_elem_value *ucontrol)
1419 {
1420 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1421 	unsigned int val, old;
1422 
1423 	val = encode_spdif_bits(&ucontrol->value.iec958);
1424 	spin_lock_irq(&ice->reg_lock);
1425 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1426 	if (val != old)
1427 		update_spdif_bits(ice, val);
1428 	spin_unlock_irq(&ice->reg_lock);
1429 	return (val != old);
1430 }
1431 
1432 static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1433 {
1434 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1435 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1436 	.info =		snd_vt1724_spdif_info,
1437 	.get =		snd_vt1724_spdif_default_get,
1438 	.put =		snd_vt1724_spdif_default_put
1439 };
1440 
1441 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1442 				       struct snd_ctl_elem_value *ucontrol)
1443 {
1444 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1445 						     IEC958_AES0_PROFESSIONAL |
1446 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1447 						     IEC958_AES0_CON_EMPHASIS;
1448 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1449 						     IEC958_AES1_CON_CATEGORY;
1450 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1451 	return 0;
1452 }
1453 
1454 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1455 				       struct snd_ctl_elem_value *ucontrol)
1456 {
1457 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1458 						     IEC958_AES0_PROFESSIONAL |
1459 						     IEC958_AES0_PRO_FS |
1460 						     IEC958_AES0_PRO_EMPHASIS;
1461 	return 0;
1462 }
1463 
1464 static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1465 {
1466 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1467 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1468 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1469 	.info =		snd_vt1724_spdif_info,
1470 	.get =		snd_vt1724_spdif_maskc_get,
1471 };
1472 
1473 static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1474 {
1475 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1476 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1477 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1478 	.info =		snd_vt1724_spdif_info,
1479 	.get =		snd_vt1724_spdif_maskp_get,
1480 };
1481 
1482 static int snd_vt1724_spdif_sw_info(struct snd_kcontrol *kcontrol,
1483 				    struct snd_ctl_elem_info *uinfo)
1484 {
1485 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1486 	uinfo->count = 1;
1487 	uinfo->value.integer.min = 0;
1488 	uinfo->value.integer.max = 1;
1489 	return 0;
1490 }
1491 
1492 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1493 				   struct snd_ctl_elem_value *ucontrol)
1494 {
1495 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1496 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1497 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1498 	return 0;
1499 }
1500 
1501 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1502 				   struct snd_ctl_elem_value *ucontrol)
1503 {
1504 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1505 	unsigned char old, val;
1506 
1507 	spin_lock_irq(&ice->reg_lock);
1508 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1509 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1510 	if (ucontrol->value.integer.value[0])
1511 		val |= VT1724_CFG_SPDIF_OUT_EN;
1512 	if (old != val)
1513 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1514 	spin_unlock_irq(&ice->reg_lock);
1515 	return old != val;
1516 }
1517 
1518 static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1519 {
1520 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1521 	/* FIXME: the following conflict with IEC958 Playback Route */
1522 	// .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1523 	.name =         SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH),
1524 	.info =		snd_vt1724_spdif_sw_info,
1525 	.get =		snd_vt1724_spdif_sw_get,
1526 	.put =		snd_vt1724_spdif_sw_put
1527 };
1528 
1529 
1530 #if 0 /* NOT USED YET */
1531 /*
1532  * GPIO access from extern
1533  */
1534 
1535 int snd_vt1724_gpio_info(struct snd_kcontrol *kcontrol,
1536 			 struct snd_ctl_elem_info *uinfo)
1537 {
1538 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1539 	uinfo->count = 1;
1540 	uinfo->value.integer.min = 0;
1541 	uinfo->value.integer.max = 1;
1542 	return 0;
1543 }
1544 
1545 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1546 			struct snd_ctl_elem_value *ucontrol)
1547 {
1548 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1549 	int shift = kcontrol->private_value & 0xff;
1550 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1551 
1552 	snd_ice1712_save_gpio_status(ice);
1553 	ucontrol->value.integer.value[0] =
1554 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1555 	snd_ice1712_restore_gpio_status(ice);
1556 	return 0;
1557 }
1558 
1559 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1560 			 struct snd_ctl_elem_value *ucontrol)
1561 {
1562 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1563 	int shift = kcontrol->private_value & 0xff;
1564 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1565 	unsigned int val, nval;
1566 
1567 	if (kcontrol->private_value & (1 << 31))
1568 		return -EPERM;
1569 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1570 	snd_ice1712_save_gpio_status(ice);
1571 	val = snd_ice1712_gpio_read(ice);
1572 	nval |= val & ~(1 << shift);
1573 	if (val != nval)
1574 		snd_ice1712_gpio_write(ice, nval);
1575 	snd_ice1712_restore_gpio_status(ice);
1576 	return val != nval;
1577 }
1578 #endif /* NOT USED YET */
1579 
1580 /*
1581  *  rate
1582  */
1583 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1584 					      struct snd_ctl_elem_info *uinfo)
1585 {
1586 	static const char * const texts_1724[] = {
1587 		"8000",		/* 0: 6 */
1588 		"9600",		/* 1: 3 */
1589 		"11025",	/* 2: 10 */
1590 		"12000",	/* 3: 2 */
1591 		"16000",	/* 4: 5 */
1592 		"22050",	/* 5: 9 */
1593 		"24000",	/* 6: 1 */
1594 		"32000",	/* 7: 4 */
1595 		"44100",	/* 8: 8 */
1596 		"48000",	/* 9: 0 */
1597 		"64000",	/* 10: 15 */
1598 		"88200",	/* 11: 11 */
1599 		"96000",	/* 12: 7 */
1600 		"176400",	/* 13: 12 */
1601 		"192000",	/* 14: 14 */
1602 		"IEC958 Input",	/* 15: -- */
1603 	};
1604 	static const char * const texts_1720[] = {
1605 		"8000",		/* 0: 6 */
1606 		"9600",		/* 1: 3 */
1607 		"11025",	/* 2: 10 */
1608 		"12000",	/* 3: 2 */
1609 		"16000",	/* 4: 5 */
1610 		"22050",	/* 5: 9 */
1611 		"24000",	/* 6: 1 */
1612 		"32000",	/* 7: 4 */
1613 		"44100",	/* 8: 8 */
1614 		"48000",	/* 9: 0 */
1615 		"64000",	/* 10: 15 */
1616 		"88200",	/* 11: 11 */
1617 		"96000",	/* 12: 7 */
1618 		"IEC958 Input",	/* 13: -- */
1619 	};
1620 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1621 
1622 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1623 	uinfo->count = 1;
1624 	uinfo->value.enumerated.items = ice->vt1720 ? 14 : 16;
1625 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1626 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1627 	strcpy(uinfo->value.enumerated.name,
1628 	       ice->vt1720 ? texts_1720[uinfo->value.enumerated.item] :
1629 	       texts_1724[uinfo->value.enumerated.item]);
1630 	return 0;
1631 }
1632 
1633 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1634 					     struct snd_ctl_elem_value *ucontrol)
1635 {
1636 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1637 	static const unsigned char xlate[16] = {
1638 		9, 6, 3, 1, 7, 4, 0, 12, 8, 5, 2, 11, 13, 255, 14, 10
1639 	};
1640 	unsigned char val;
1641 
1642 	spin_lock_irq(&ice->reg_lock);
1643 	if (is_spdif_master(ice)) {
1644 		ucontrol->value.enumerated.item[0] = ice->vt1720 ? 13 : 15;
1645 	} else {
1646 		val = xlate[inb(ICEMT1724(ice, RATE)) & 15];
1647 		if (val == 255) {
1648 			snd_BUG();
1649 			val = 0;
1650 		}
1651 		ucontrol->value.enumerated.item[0] = val;
1652 	}
1653 	spin_unlock_irq(&ice->reg_lock);
1654 	return 0;
1655 }
1656 
1657 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1658 					     struct snd_ctl_elem_value *ucontrol)
1659 {
1660 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1661 	unsigned char oval;
1662 	int rate;
1663 	int change = 0;
1664 	int spdif = ice->vt1720 ? 13 : 15;
1665 
1666 	spin_lock_irq(&ice->reg_lock);
1667 	oval = inb(ICEMT1724(ice, RATE));
1668 	if (ucontrol->value.enumerated.item[0] == spdif) {
1669 		unsigned char i2s_oval;
1670 		outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1671 		/* setting 256fs */
1672 		i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1673 		outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X,
1674 		     ICEMT1724(ice, I2S_FORMAT));
1675 	} else {
1676 		rate = rates[ucontrol->value.integer.value[0] % 15];
1677 		if (rate <= get_max_rate(ice)) {
1678 			PRO_RATE_DEFAULT = rate;
1679 			spin_unlock_irq(&ice->reg_lock);
1680 			snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 1);
1681 			spin_lock_irq(&ice->reg_lock);
1682 		}
1683 	}
1684 	change = inb(ICEMT1724(ice, RATE)) != oval;
1685 	spin_unlock_irq(&ice->reg_lock);
1686 
1687 	if ((oval & VT1724_SPDIF_MASTER) !=
1688 	    (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER)) {
1689 		/* notify akm chips as well */
1690 		if (is_spdif_master(ice)) {
1691 			unsigned int i;
1692 			for (i = 0; i < ice->akm_codecs; i++) {
1693 				if (ice->akm[i].ops.set_rate_val)
1694 					ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1695 			}
1696 		}
1697 	}
1698 	return change;
1699 }
1700 
1701 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1702 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1703 	.name = "Multi Track Internal Clock",
1704 	.info = snd_vt1724_pro_internal_clock_info,
1705 	.get = snd_vt1724_pro_internal_clock_get,
1706 	.put = snd_vt1724_pro_internal_clock_put
1707 };
1708 
1709 static int snd_vt1724_pro_rate_locking_info(struct snd_kcontrol *kcontrol,
1710 					    struct snd_ctl_elem_info *uinfo)
1711 {
1712 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1713 	uinfo->count = 1;
1714 	uinfo->value.integer.min = 0;
1715 	uinfo->value.integer.max = 1;
1716 	return 0;
1717 }
1718 
1719 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1720 					   struct snd_ctl_elem_value *ucontrol)
1721 {
1722 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1723 	return 0;
1724 }
1725 
1726 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1727 					   struct snd_ctl_elem_value *ucontrol)
1728 {
1729 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1730 	int change = 0, nval;
1731 
1732 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1733 	spin_lock_irq(&ice->reg_lock);
1734 	change = PRO_RATE_LOCKED != nval;
1735 	PRO_RATE_LOCKED = nval;
1736 	spin_unlock_irq(&ice->reg_lock);
1737 	return change;
1738 }
1739 
1740 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1741 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1742 	.name = "Multi Track Rate Locking",
1743 	.info = snd_vt1724_pro_rate_locking_info,
1744 	.get = snd_vt1724_pro_rate_locking_get,
1745 	.put = snd_vt1724_pro_rate_locking_put
1746 };
1747 
1748 static int snd_vt1724_pro_rate_reset_info(struct snd_kcontrol *kcontrol,
1749 					  struct snd_ctl_elem_info *uinfo)
1750 {
1751 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1752 	uinfo->count = 1;
1753 	uinfo->value.integer.min = 0;
1754 	uinfo->value.integer.max = 1;
1755 	return 0;
1756 }
1757 
1758 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1759 					 struct snd_ctl_elem_value *ucontrol)
1760 {
1761 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1762 	return 0;
1763 }
1764 
1765 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1766 					 struct snd_ctl_elem_value *ucontrol)
1767 {
1768 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1769 	int change = 0, nval;
1770 
1771 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1772 	spin_lock_irq(&ice->reg_lock);
1773 	change = PRO_RATE_RESET != nval;
1774 	PRO_RATE_RESET = nval;
1775 	spin_unlock_irq(&ice->reg_lock);
1776 	return change;
1777 }
1778 
1779 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1780 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1781 	.name = "Multi Track Rate Reset",
1782 	.info = snd_vt1724_pro_rate_reset_info,
1783 	.get = snd_vt1724_pro_rate_reset_get,
1784 	.put = snd_vt1724_pro_rate_reset_put
1785 };
1786 
1787 
1788 /*
1789  * routing
1790  */
1791 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1792 				     struct snd_ctl_elem_info *uinfo)
1793 {
1794 	static char *texts[] = {
1795 		"PCM Out", /* 0 */
1796 		"H/W In 0", "H/W In 1", /* 1-2 */
1797 		"IEC958 In L", "IEC958 In R", /* 3-4 */
1798 	};
1799 
1800 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1801 	uinfo->count = 1;
1802 	uinfo->value.enumerated.items = 5;
1803 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1804 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1805 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1806 	return 0;
1807 }
1808 
1809 static inline int analog_route_shift(int idx)
1810 {
1811 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1812 }
1813 
1814 static inline int digital_route_shift(int idx)
1815 {
1816 	return idx * 3;
1817 }
1818 
1819 static int get_route_val(struct snd_ice1712 *ice, int shift)
1820 {
1821 	unsigned long val;
1822 	unsigned char eitem;
1823 	static const unsigned char xlate[8] = {
1824 		0, 255, 1, 2, 255, 255, 3, 4,
1825 	};
1826 
1827 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1828 	val >>= shift;
1829 	val &= 7;	//we now have 3 bits per output
1830 	eitem = xlate[val];
1831 	if (eitem == 255) {
1832 		snd_BUG();
1833 		return 0;
1834 	}
1835 	return eitem;
1836 }
1837 
1838 static int put_route_val(struct snd_ice1712 *ice, unsigned int val, int shift)
1839 {
1840 	unsigned int old_val, nval;
1841 	int change;
1842 	static const unsigned char xroute[8] = {
1843 		0, /* PCM */
1844 		2, /* PSDIN0 Left */
1845 		3, /* PSDIN0 Right */
1846 		6, /* SPDIN Left */
1847 		7, /* SPDIN Right */
1848 	};
1849 
1850 	nval = xroute[val % 5];
1851 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1852 	val &= ~(0x07 << shift);
1853 	val |= nval << shift;
1854 	change = val != old_val;
1855 	if (change)
1856 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1857 	return change;
1858 }
1859 
1860 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
1861 					   struct snd_ctl_elem_value *ucontrol)
1862 {
1863 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1864 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1865 	ucontrol->value.enumerated.item[0] =
1866 		get_route_val(ice, analog_route_shift(idx));
1867 	return 0;
1868 }
1869 
1870 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
1871 					   struct snd_ctl_elem_value *ucontrol)
1872 {
1873 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1874 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1875 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1876 			     analog_route_shift(idx));
1877 }
1878 
1879 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
1880 					  struct snd_ctl_elem_value *ucontrol)
1881 {
1882 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1883 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1884 	ucontrol->value.enumerated.item[0] =
1885 		get_route_val(ice, digital_route_shift(idx));
1886 	return 0;
1887 }
1888 
1889 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
1890 					  struct snd_ctl_elem_value *ucontrol)
1891 {
1892 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1893 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1894 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1895 			     digital_route_shift(idx));
1896 }
1897 
1898 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata = {
1899 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1900 	.name = "H/W Playback Route",
1901 	.info = snd_vt1724_pro_route_info,
1902 	.get = snd_vt1724_pro_route_analog_get,
1903 	.put = snd_vt1724_pro_route_analog_put,
1904 };
1905 
1906 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
1907 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1908 	.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Route",
1909 	.info = snd_vt1724_pro_route_info,
1910 	.get = snd_vt1724_pro_route_spdif_get,
1911 	.put = snd_vt1724_pro_route_spdif_put,
1912 	.count = 2,
1913 };
1914 
1915 
1916 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
1917 				    struct snd_ctl_elem_info *uinfo)
1918 {
1919 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1920 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
1921 	uinfo->value.integer.min = 0;
1922 	uinfo->value.integer.max = 255;
1923 	return 0;
1924 }
1925 
1926 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
1927 				   struct snd_ctl_elem_value *ucontrol)
1928 {
1929 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1930 	int idx;
1931 
1932 	spin_lock_irq(&ice->reg_lock);
1933 	for (idx = 0; idx < 22; idx++) {
1934 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
1935 		ucontrol->value.integer.value[idx] =
1936 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
1937 	}
1938 	spin_unlock_irq(&ice->reg_lock);
1939 	return 0;
1940 }
1941 
1942 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
1943 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1944 	.name = "Multi Track Peak",
1945 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1946 	.info = snd_vt1724_pro_peak_info,
1947 	.get = snd_vt1724_pro_peak_get
1948 };
1949 
1950 /*
1951  *
1952  */
1953 
1954 static struct snd_ice1712_card_info no_matched __devinitdata;
1955 
1956 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
1957 	snd_vt1724_revo_cards,
1958 	snd_vt1724_amp_cards,
1959 	snd_vt1724_aureon_cards,
1960 	snd_vt1720_mobo_cards,
1961 	snd_vt1720_pontis_cards,
1962 	snd_vt1724_prodigy192_cards,
1963 	snd_vt1724_juli_cards,
1964 	snd_vt1724_phase_cards,
1965 	snd_vt1724_wtm_cards,
1966 	NULL,
1967 };
1968 
1969 
1970 /*
1971  */
1972 
1973 static void wait_i2c_busy(struct snd_ice1712 *ice)
1974 {
1975 	int t = 0x10000;
1976 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
1977 		;
1978 	if (t == -1)
1979 		printk(KERN_ERR "ice1724: i2c busy timeout\n");
1980 }
1981 
1982 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
1983 				  unsigned char dev, unsigned char addr)
1984 {
1985 	unsigned char val;
1986 
1987 	mutex_lock(&ice->i2c_mutex);
1988 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1989 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1990 	wait_i2c_busy(ice);
1991 	val = inb(ICEREG1724(ice, I2C_DATA));
1992 	mutex_unlock(&ice->i2c_mutex);
1993 	//printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
1994 	return val;
1995 }
1996 
1997 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
1998 			  unsigned char dev, unsigned char addr, unsigned char data)
1999 {
2000 	mutex_lock(&ice->i2c_mutex);
2001 	wait_i2c_busy(ice);
2002 	//printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2003 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2004 	outb(data, ICEREG1724(ice, I2C_DATA));
2005 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2006 	wait_i2c_busy(ice);
2007 	mutex_unlock(&ice->i2c_mutex);
2008 }
2009 
2010 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2011 					    const char *modelname)
2012 {
2013 	const int dev = 0xa0;		/* EEPROM device address */
2014 	unsigned int i, size;
2015 	struct snd_ice1712_card_info * const *tbl, *c;
2016 
2017 	if (! modelname || ! *modelname) {
2018 		ice->eeprom.subvendor = 0;
2019 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2020 			ice->eeprom.subvendor =
2021 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2022 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2023 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2024 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2025 		if (ice->eeprom.subvendor == 0 ||
2026 		    ice->eeprom.subvendor == (unsigned int)-1) {
2027 			/* invalid subvendor from EEPROM, try the PCI
2028 			 * subststem ID instead
2029 			 */
2030 			u16 vendor, device;
2031 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2032 					     &vendor);
2033 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2034 			ice->eeprom.subvendor =
2035 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2036 			if (ice->eeprom.subvendor == 0 ||
2037 			    ice->eeprom.subvendor == (unsigned int)-1) {
2038 				printk(KERN_ERR "ice1724: No valid ID is found\n");
2039 				return -ENXIO;
2040 			}
2041 		}
2042 	}
2043 	for (tbl = card_tables; *tbl; tbl++) {
2044 		for (c = *tbl; c->subvendor; c++) {
2045 			if (modelname && c->model &&
2046 			    ! strcmp(modelname, c->model)) {
2047 				printk(KERN_INFO "ice1724: Using board model %s\n",
2048 				       c->name);
2049 				ice->eeprom.subvendor = c->subvendor;
2050 			} else if (c->subvendor != ice->eeprom.subvendor)
2051 				continue;
2052 			if (! c->eeprom_size || ! c->eeprom_data)
2053 				goto found;
2054 			/* if the EEPROM is given by the driver, use it */
2055 			snd_printdd("using the defined eeprom..\n");
2056 			ice->eeprom.version = 2;
2057 			ice->eeprom.size = c->eeprom_size + 6;
2058 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2059 			goto read_skipped;
2060 		}
2061 	}
2062 	printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2063 	       ice->eeprom.subvendor);
2064 
2065  found:
2066 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2067 	if (ice->eeprom.size < 6)
2068 		ice->eeprom.size = 32;
2069 	else if (ice->eeprom.size > 32) {
2070 		printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2071 		       ice->eeprom.size);
2072 		return -EIO;
2073 	}
2074 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2075 	if (ice->eeprom.version != 2)
2076 		printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2077 		       ice->eeprom.version);
2078 	size = ice->eeprom.size - 6;
2079 	for (i = 0; i < size; i++)
2080 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2081 
2082  read_skipped:
2083 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2084 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2085 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2086 
2087 	return 0;
2088 }
2089 
2090 
2091 
2092 static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice)
2093 {
2094 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2095 	udelay(200);
2096 	outb(0, ICEREG1724(ice, CONTROL));
2097 	udelay(200);
2098 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2099 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2100 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2101 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2102 
2103 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2104 	ice->gpio.direction = ice->eeprom.gpiodir;
2105 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2106 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2107 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2108 
2109 	outb(0, ICEREG1724(ice, POWERDOWN));
2110 
2111 	return 0;
2112 }
2113 
2114 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2115 {
2116 	int err;
2117 	struct snd_kcontrol *kctl;
2118 
2119 	snd_assert(ice->pcm != NULL, return -EIO);
2120 
2121 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2122 	if (err < 0)
2123 		return err;
2124 
2125 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2126 	if (err < 0)
2127 		return err;
2128 
2129 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2130 	if (err < 0)
2131 		return err;
2132 	kctl->id.device = ice->pcm->device;
2133 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2134 	if (err < 0)
2135 		return err;
2136 	kctl->id.device = ice->pcm->device;
2137 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2138 	if (err < 0)
2139 		return err;
2140 	kctl->id.device = ice->pcm->device;
2141 #if 0 /* use default only */
2142 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2143 	if (err < 0)
2144 		return err;
2145 	kctl->id.device = ice->pcm->device;
2146 	ice->spdif.stream_ctl = kctl;
2147 #endif
2148 	return 0;
2149 }
2150 
2151 
2152 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2153 {
2154 	int err;
2155 
2156 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2157 	if (err < 0)
2158 		return err;
2159 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2160 	if (err < 0)
2161 		return err;
2162 
2163 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2164 	if (err < 0)
2165 		return err;
2166 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2167 	if (err < 0)
2168 		return err;
2169 
2170 	if (ice->num_total_dacs > 0) {
2171 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2172 		tmp.count = ice->num_total_dacs;
2173 		if (ice->vt1720 && tmp.count > 2)
2174 			tmp.count = 2;
2175 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2176 		if (err < 0)
2177 			return err;
2178 	}
2179 
2180 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2181 	if (err < 0)
2182 		return err;
2183 
2184 	return 0;
2185 }
2186 
2187 static int snd_vt1724_free(struct snd_ice1712 *ice)
2188 {
2189 	if (! ice->port)
2190 		goto __hw_end;
2191 	/* mask all interrupts */
2192 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2193 	outb(0xff, ICEREG1724(ice, IRQMASK));
2194 	/* --- */
2195       __hw_end:
2196 	if (ice->irq >= 0) {
2197 		synchronize_irq(ice->irq);
2198 		free_irq(ice->irq, ice);
2199 	}
2200 	pci_release_regions(ice->pci);
2201 	snd_ice1712_akm4xxx_free(ice);
2202 	pci_disable_device(ice->pci);
2203 	kfree(ice);
2204 	return 0;
2205 }
2206 
2207 static int snd_vt1724_dev_free(struct snd_device *device)
2208 {
2209 	struct snd_ice1712 *ice = device->device_data;
2210 	return snd_vt1724_free(ice);
2211 }
2212 
2213 static int __devinit snd_vt1724_create(struct snd_card *card,
2214 				       struct pci_dev *pci,
2215 				       const char *modelname,
2216 				       struct snd_ice1712 ** r_ice1712)
2217 {
2218 	struct snd_ice1712 *ice;
2219 	int err;
2220 	unsigned char mask;
2221 	static struct snd_device_ops ops = {
2222 		.dev_free =	snd_vt1724_dev_free,
2223 	};
2224 
2225 	*r_ice1712 = NULL;
2226 
2227         /* enable PCI device */
2228 	if ((err = pci_enable_device(pci)) < 0)
2229 		return err;
2230 
2231 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2232 	if (ice == NULL) {
2233 		pci_disable_device(pci);
2234 		return -ENOMEM;
2235 	}
2236 	ice->vt1724 = 1;
2237 	spin_lock_init(&ice->reg_lock);
2238 	mutex_init(&ice->gpio_mutex);
2239 	mutex_init(&ice->open_mutex);
2240 	mutex_init(&ice->i2c_mutex);
2241 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2242 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2243 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2244 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2245 	ice->card = card;
2246 	ice->pci = pci;
2247 	ice->irq = -1;
2248 	pci_set_master(pci);
2249 	snd_vt1724_proc_init(ice);
2250 	synchronize_irq(pci->irq);
2251 
2252 	if ((err = pci_request_regions(pci, "ICE1724")) < 0) {
2253 		kfree(ice);
2254 		pci_disable_device(pci);
2255 		return err;
2256 	}
2257 	ice->port = pci_resource_start(pci, 0);
2258 	ice->profi_port = pci_resource_start(pci, 1);
2259 
2260 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2261 			IRQF_SHARED, "ICE1724", ice)) {
2262 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2263 		snd_vt1724_free(ice);
2264 		return -EIO;
2265 	}
2266 
2267 	ice->irq = pci->irq;
2268 
2269 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2270 		snd_vt1724_free(ice);
2271 		return -EIO;
2272 	}
2273 	if (snd_vt1724_chip_init(ice) < 0) {
2274 		snd_vt1724_free(ice);
2275 		return -EIO;
2276 	}
2277 
2278 	/* unmask used interrupts */
2279 	if (! (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401))
2280 		mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2281 	else
2282 		mask = 0;
2283 	outb(mask, ICEREG1724(ice, IRQMASK));
2284 	/* don't handle FIFO overrun/underruns (just yet),
2285 	 * since they cause machine lockups
2286 	 */
2287 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2288 
2289 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops)) < 0) {
2290 		snd_vt1724_free(ice);
2291  		return err;
2292 	}
2293 
2294 	snd_card_set_dev(card, &pci->dev);
2295 
2296 	*r_ice1712 = ice;
2297 	return 0;
2298 }
2299 
2300 
2301 /*
2302  *
2303  * Registration
2304  *
2305  */
2306 
2307 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2308 				      const struct pci_device_id *pci_id)
2309 {
2310 	static int dev;
2311 	struct snd_card *card;
2312 	struct snd_ice1712 *ice;
2313 	int pcm_dev = 0, err;
2314 	struct snd_ice1712_card_info * const *tbl, *c;
2315 
2316 	if (dev >= SNDRV_CARDS)
2317 		return -ENODEV;
2318 	if (!enable[dev]) {
2319 		dev++;
2320 		return -ENOENT;
2321 	}
2322 
2323 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2324 	if (card == NULL)
2325 		return -ENOMEM;
2326 
2327 	strcpy(card->driver, "ICE1724");
2328 	strcpy(card->shortname, "ICEnsemble ICE1724");
2329 
2330 	if ((err = snd_vt1724_create(card, pci, model[dev], &ice)) < 0) {
2331 		snd_card_free(card);
2332 		return err;
2333 	}
2334 
2335 	for (tbl = card_tables; *tbl; tbl++) {
2336 		for (c = *tbl; c->subvendor; c++) {
2337 			if (c->subvendor == ice->eeprom.subvendor) {
2338 				strcpy(card->shortname, c->name);
2339 				if (c->driver) /* specific driver? */
2340 					strcpy(card->driver, c->driver);
2341 				if (c->chip_init) {
2342 					if ((err = c->chip_init(ice)) < 0) {
2343 						snd_card_free(card);
2344 						return err;
2345 					}
2346 				}
2347 				goto __found;
2348 			}
2349 		}
2350 	}
2351 	c = &no_matched;
2352  __found:
2353        /*
2354         * VT1724 has separate DMAs for the analog and the SPDIF streams while
2355         * ICE1712 has only one for both (mixed up).
2356         *
2357         * Confusingly the analog PCM is named "professional" here because it
2358         * was called so in ice1712 driver, and vt1724 driver is derived from
2359         * ice1712 driver.
2360         */
2361 
2362 	if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
2363 		snd_card_free(card);
2364 		return err;
2365 	}
2366 
2367 	if ((err = snd_vt1724_pcm_spdif(ice, pcm_dev++)) < 0) {
2368 		snd_card_free(card);
2369 		return err;
2370 	}
2371 
2372 	if ((err = snd_vt1724_pcm_indep(ice, pcm_dev++)) < 0) {
2373 		snd_card_free(card);
2374 		return err;
2375 	}
2376 
2377 	if ((err = snd_vt1724_ac97_mixer(ice)) < 0) {
2378 		snd_card_free(card);
2379 		return err;
2380 	}
2381 
2382 	if ((err = snd_vt1724_build_controls(ice)) < 0) {
2383 		snd_card_free(card);
2384 		return err;
2385 	}
2386 
2387 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2388 		if ((err = snd_vt1724_spdif_build_controls(ice)) < 0) {
2389 			snd_card_free(card);
2390 			return err;
2391 		}
2392 	}
2393 
2394 	if (c->build_controls) {
2395 		if ((err = c->build_controls(ice)) < 0) {
2396 			snd_card_free(card);
2397 			return err;
2398 		}
2399 	}
2400 
2401 	if (! c->no_mpu401) {
2402 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2403 			if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ICE1712,
2404 						       ICEREG1724(ice, MPU_CTRL),
2405 						       MPU401_INFO_INTEGRATED,
2406 						       ice->irq, 0,
2407 						       &ice->rmidi[0])) < 0) {
2408 				snd_card_free(card);
2409 				return err;
2410 			}
2411 		}
2412 	}
2413 
2414 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2415 		card->shortname, ice->port, ice->irq);
2416 
2417 	if ((err = snd_card_register(card)) < 0) {
2418 		snd_card_free(card);
2419 		return err;
2420 	}
2421 	pci_set_drvdata(pci, card);
2422 	dev++;
2423 	return 0;
2424 }
2425 
2426 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2427 {
2428 	snd_card_free(pci_get_drvdata(pci));
2429 	pci_set_drvdata(pci, NULL);
2430 }
2431 
2432 static struct pci_driver driver = {
2433 	.name = "ICE1724",
2434 	.id_table = snd_vt1724_ids,
2435 	.probe = snd_vt1724_probe,
2436 	.remove = __devexit_p(snd_vt1724_remove),
2437 };
2438 
2439 static int __init alsa_card_ice1724_init(void)
2440 {
2441 	return pci_register_driver(&driver);
2442 }
2443 
2444 static void __exit alsa_card_ice1724_exit(void)
2445 {
2446 	pci_unregister_driver(&driver);
2447 }
2448 
2449 module_init(alsa_card_ice1724_init)
2450 module_exit(alsa_card_ice1724_exit)
2451