xref: /linux/sound/pci/ice1712/ice1724.c (revision 54a8a2220c936a47840c9a3d74910c5a56fae2ed)
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 
87 /* Both VT1720 and VT1724 have the same PCI IDs */
88 static struct pci_device_id snd_vt1724_ids[] = {
89 	{ PCI_VENDOR_ID_ICE, PCI_DEVICE_ID_VT1724, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
90 	{ 0, }
91 };
92 
93 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
94 
95 
96 static int PRO_RATE_LOCKED;
97 static int PRO_RATE_RESET = 1;
98 static unsigned int PRO_RATE_DEFAULT = 44100;
99 
100 /*
101  *  Basic I/O
102  */
103 
104 /* check whether the clock mode is spdif-in */
105 static inline int is_spdif_master(ice1712_t *ice)
106 {
107 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
108 }
109 
110 static inline int is_pro_rate_locked(ice1712_t *ice)
111 {
112 	return is_spdif_master(ice) || PRO_RATE_LOCKED;
113 }
114 
115 /*
116  * ac97 section
117  */
118 
119 static unsigned char snd_vt1724_ac97_ready(ice1712_t *ice)
120 {
121 	unsigned char old_cmd;
122 	int tm;
123 	for (tm = 0; tm < 0x10000; tm++) {
124 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
125 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
126 			continue;
127 		if (!(old_cmd & VT1724_AC97_READY))
128 			continue;
129 		return old_cmd;
130 	}
131 	snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
132 	return old_cmd;
133 }
134 
135 static int snd_vt1724_ac97_wait_bit(ice1712_t *ice, unsigned char bit)
136 {
137 	int tm;
138 	for (tm = 0; tm < 0x10000; tm++)
139 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
140 			return 0;
141 	snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
142 	return -EIO;
143 }
144 
145 static void snd_vt1724_ac97_write(ac97_t *ac97,
146 				  unsigned short reg,
147 				  unsigned short val)
148 {
149 	ice1712_t *ice = (ice1712_t *)ac97->private_data;
150 	unsigned char old_cmd;
151 
152 	old_cmd = snd_vt1724_ac97_ready(ice);
153 	old_cmd &= ~VT1724_AC97_ID_MASK;
154 	old_cmd |= ac97->num;
155 	outb(reg, ICEMT1724(ice, AC97_INDEX));
156 	outw(val, ICEMT1724(ice, AC97_DATA));
157 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
158 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
159 }
160 
161 static unsigned short snd_vt1724_ac97_read(ac97_t *ac97, unsigned short reg)
162 {
163 	ice1712_t *ice = (ice1712_t *)ac97->private_data;
164 	unsigned char old_cmd;
165 
166 	old_cmd = snd_vt1724_ac97_ready(ice);
167 	old_cmd &= ~VT1724_AC97_ID_MASK;
168 	old_cmd |= ac97->num;
169 	outb(reg, ICEMT1724(ice, AC97_INDEX));
170 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
171 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
172 		return ~0;
173 	return inw(ICEMT1724(ice, AC97_DATA));
174 }
175 
176 
177 /*
178  * GPIO operations
179  */
180 
181 /* set gpio direction 0 = read, 1 = write */
182 static void snd_vt1724_set_gpio_dir(ice1712_t *ice, unsigned int data)
183 {
184 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
185 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
186 }
187 
188 /* set the gpio mask (0 = writable) */
189 static void snd_vt1724_set_gpio_mask(ice1712_t *ice, unsigned int data)
190 {
191 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
192 	if (! ice->vt1720) /* VT1720 supports only 16 GPIO bits */
193 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
194 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
195 }
196 
197 static void snd_vt1724_set_gpio_data(ice1712_t *ice, unsigned int data)
198 {
199 	outw(data, ICEREG1724(ice, GPIO_DATA));
200 	if (! ice->vt1720)
201 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
202 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
203 }
204 
205 static unsigned int snd_vt1724_get_gpio_data(ice1712_t *ice)
206 {
207 	unsigned int data;
208 	if (! ice->vt1720)
209 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
210 	else
211 		data = 0;
212 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
213 	return data;
214 }
215 
216 /*
217  *  Interrupt handler
218  */
219 
220 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id, struct pt_regs *regs)
221 {
222 	ice1712_t *ice = dev_id;
223 	unsigned char status;
224 	int handled = 0;
225 
226 	while (1) {
227 		status = inb(ICEREG1724(ice, IRQSTAT));
228 		if (status == 0)
229 			break;
230 
231 		handled = 1;
232 		/*  these should probably be separated at some point,
233 			but as we don't currently have MPU support on the board I will leave it */
234 		if ((status & VT1724_IRQ_MPU_RX)||(status & VT1724_IRQ_MPU_TX)) {
235 			if (ice->rmidi[0])
236 				snd_mpu401_uart_interrupt(irq, ice->rmidi[0]->private_data, regs);
237 			outb(status & (VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX), ICEREG1724(ice, IRQSTAT));
238 			status &= ~(VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX);
239 		}
240 		if (status & VT1724_IRQ_MTPCM) {
241 			/*
242 			 * Multi-track PCM
243 			 * PCM assignment are:
244 			 * Playback DMA0 (M/C) = playback_pro_substream
245 			 * Playback DMA1 = playback_con_substream_ds[0]
246 			 * Playback DMA2 = playback_con_substream_ds[1]
247 			 * Playback DMA3 = playback_con_substream_ds[2]
248 			 * Playback DMA4 (SPDIF) = playback_con_substream
249 			 * Record DMA0 = capture_pro_substream
250 			 * Record DMA1 = capture_con_substream
251 			 */
252 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
253 			if (mtstat & VT1724_MULTI_PDMA0) {
254 				if (ice->playback_pro_substream)
255 					snd_pcm_period_elapsed(ice->playback_pro_substream);
256 			}
257 			if (mtstat & VT1724_MULTI_RDMA0) {
258 				if (ice->capture_pro_substream)
259 					snd_pcm_period_elapsed(ice->capture_pro_substream);
260 			}
261 			if (mtstat & VT1724_MULTI_PDMA1) {
262 				if (ice->playback_con_substream_ds[0])
263 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
264 			}
265 			if (mtstat & VT1724_MULTI_PDMA2) {
266 				if (ice->playback_con_substream_ds[1])
267 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
268 			}
269 			if (mtstat & VT1724_MULTI_PDMA3) {
270 				if (ice->playback_con_substream_ds[2])
271 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
272 			}
273 			if (mtstat & VT1724_MULTI_PDMA4) {
274 				if (ice->playback_con_substream)
275 					snd_pcm_period_elapsed(ice->playback_con_substream);
276 			}
277 			if (mtstat & VT1724_MULTI_RDMA1) {
278 				if (ice->capture_con_substream)
279 					snd_pcm_period_elapsed(ice->capture_con_substream);
280 			}
281 			/* ack anyway to avoid freeze */
282 			outb(mtstat, ICEMT1724(ice, IRQ));
283 			/* ought to really handle this properly */
284 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
285 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
286 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
287 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
288 				/* If I don't do this, I get machine lockup due to continual interrupts */
289 			}
290 
291 		}
292 	}
293 	return IRQ_RETVAL(handled);
294 }
295 
296 /*
297  *  PCM code - professional part (multitrack)
298  */
299 
300 static unsigned int rates[] = {
301 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
302 	32000, 44100, 48000, 64000, 88200, 96000,
303 	176400, 192000,
304 };
305 
306 static snd_pcm_hw_constraint_list_t hw_constraints_rates_96 = {
307 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
308 	.list = rates,
309 	.mask = 0,
310 };
311 
312 static snd_pcm_hw_constraint_list_t hw_constraints_rates_48 = {
313 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
314 	.list = rates,
315 	.mask = 0,
316 };
317 
318 static snd_pcm_hw_constraint_list_t hw_constraints_rates_192 = {
319 	.count = ARRAY_SIZE(rates),
320 	.list = rates,
321 	.mask = 0,
322 };
323 
324 struct vt1724_pcm_reg {
325 	unsigned int addr;	/* ADDR register offset */
326 	unsigned int size;	/* SIZE register offset */
327 	unsigned int count;	/* COUNT register offset */
328 	unsigned int start;	/* start & pause bit */
329 };
330 
331 static int snd_vt1724_pcm_trigger(snd_pcm_substream_t *substream, int cmd)
332 {
333 	ice1712_t *ice = snd_pcm_substream_chip(substream);
334 	unsigned char what;
335 	unsigned char old;
336 	struct list_head *pos;
337 	snd_pcm_substream_t *s;
338 
339 	what = 0;
340 	snd_pcm_group_for_each(pos, substream) {
341 		struct vt1724_pcm_reg *reg;
342 		s = snd_pcm_group_substream_entry(pos);
343 		reg = s->runtime->private_data;
344 		what |= reg->start;
345 		snd_pcm_trigger_done(s, substream);
346 	}
347 
348 	switch (cmd) {
349 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
350 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
351 		spin_lock(&ice->reg_lock);
352 		old = inb(ICEMT1724(ice, DMA_PAUSE));
353 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
354 			old |= what;
355 		else
356 			old &= ~what;
357 		outb(old, ICEMT1724(ice, DMA_PAUSE));
358 		spin_unlock(&ice->reg_lock);
359 		break;
360 
361 	case SNDRV_PCM_TRIGGER_START:
362 	case SNDRV_PCM_TRIGGER_STOP:
363 		spin_lock(&ice->reg_lock);
364 		old = inb(ICEMT1724(ice, DMA_CONTROL));
365 		if (cmd == SNDRV_PCM_TRIGGER_START)
366 			old |= what;
367 		else
368 			old &= ~what;
369 		outb(old, ICEMT1724(ice, DMA_CONTROL));
370 		spin_unlock(&ice->reg_lock);
371 		break;
372 
373 	default:
374 		return -EINVAL;
375 	}
376 	return 0;
377 }
378 
379 /*
380  */
381 
382 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
383 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
384 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
385 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
386 
387 static int get_max_rate(ice1712_t *ice)
388 {
389 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
390 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
391 			return 192000;
392 		else
393 			return 96000;
394 	} else
395 		return 48000;
396 }
397 
398 static void snd_vt1724_set_pro_rate(ice1712_t *ice, unsigned int rate, int force)
399 {
400 	unsigned long flags;
401 	unsigned char val, old;
402 	unsigned int i, mclk_change;
403 
404 	if (rate > get_max_rate(ice))
405 		return;
406 
407 	switch (rate) {
408 	case 8000: val = 6; break;
409 	case 9600: val = 3; break;
410 	case 11025: val = 10; break;
411 	case 12000: val = 2; break;
412 	case 16000: val = 5; break;
413 	case 22050: val = 9; break;
414 	case 24000: val = 1; break;
415 	case 32000: val = 4; break;
416 	case 44100: val = 8; break;
417 	case 48000: val = 0; break;
418 	case 64000: val = 15; break;
419 	case 88200: val = 11; break;
420 	case 96000: val = 7; break;
421 	case 176400: val = 12; break;
422 	case 192000: val = 14; break;
423 	default:
424 		snd_BUG();
425 		val = 0;
426 		break;
427 	}
428 
429 	spin_lock_irqsave(&ice->reg_lock, flags);
430 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
431 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
432 		/* running? we cannot change the rate now... */
433 		spin_unlock_irqrestore(&ice->reg_lock, flags);
434 		return;
435 	}
436 	if (!force && is_pro_rate_locked(ice)) {
437 		spin_unlock_irqrestore(&ice->reg_lock, flags);
438 		return;
439 	}
440 
441 	old = inb(ICEMT1724(ice, RATE));
442 	if (force || old != val)
443 		outb(val, ICEMT1724(ice, RATE));
444 	else if (rate == ice->cur_rate) {
445 		spin_unlock_irqrestore(&ice->reg_lock, flags);
446 		return;
447 	}
448 
449 	ice->cur_rate = rate;
450 
451 	/* check MT02 */
452 	mclk_change = 0;
453 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
454 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
455 		if (rate > 96000)
456 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
457 		else
458 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
459 		if (val != old) {
460 			outb(val, ICEMT1724(ice, I2S_FORMAT));
461 			mclk_change = 1;
462 		}
463 	}
464 	spin_unlock_irqrestore(&ice->reg_lock, flags);
465 
466 	if (mclk_change && ice->gpio.i2s_mclk_changed)
467 		ice->gpio.i2s_mclk_changed(ice);
468 	if (ice->gpio.set_pro_rate)
469 		ice->gpio.set_pro_rate(ice, rate);
470 
471 	/* set up codecs */
472 	for (i = 0; i < ice->akm_codecs; i++) {
473 		if (ice->akm[i].ops.set_rate_val)
474 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
475 	}
476 	if (ice->spdif.ops.setup_rate)
477 		ice->spdif.ops.setup_rate(ice, rate);
478 }
479 
480 static int snd_vt1724_pcm_hw_params(snd_pcm_substream_t * substream,
481 				    snd_pcm_hw_params_t * hw_params)
482 {
483 	ice1712_t *ice = snd_pcm_substream_chip(substream);
484 	int i, chs;
485 
486 	chs = params_channels(hw_params);
487 	down(&ice->open_mutex);
488 	/* mark surround channels */
489 	if (substream == ice->playback_pro_substream) {
490 		/* PDMA0 can be multi-channel up to 8 */
491 		chs = chs / 2 - 1;
492 		for (i = 0; i < chs; i++) {
493 			if (ice->pcm_reserved[i] && ice->pcm_reserved[i] != substream) {
494 				up(&ice->open_mutex);
495 				return -EBUSY;
496 			}
497 			ice->pcm_reserved[i] = substream;
498 		}
499 		for (; i < 3; i++) {
500 			if (ice->pcm_reserved[i] == substream)
501 				ice->pcm_reserved[i] = NULL;
502 		}
503 	} else {
504 		for (i = 0; i < 3; i++) {
505 			/* check individual playback stream */
506 			if (ice->playback_con_substream_ds[i] == substream) {
507 				if (ice->pcm_reserved[i] && ice->pcm_reserved[i] != substream) {
508 					up(&ice->open_mutex);
509 					return -EBUSY;
510 				}
511 				ice->pcm_reserved[i] = substream;
512 				break;
513 			}
514 		}
515 	}
516 	up(&ice->open_mutex);
517 	snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
518 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
519 }
520 
521 static int snd_vt1724_pcm_hw_free(snd_pcm_substream_t * substream)
522 {
523 	ice1712_t *ice = snd_pcm_substream_chip(substream);
524 	int i;
525 
526 	down(&ice->open_mutex);
527 	/* unmark surround channels */
528 	for (i = 0; i < 3; i++)
529 		if (ice->pcm_reserved[i] == substream)
530 			ice->pcm_reserved[i] = NULL;
531 	up(&ice->open_mutex);
532 	return snd_pcm_lib_free_pages(substream);
533 }
534 
535 static int snd_vt1724_playback_pro_prepare(snd_pcm_substream_t * substream)
536 {
537 	ice1712_t *ice = snd_pcm_substream_chip(substream);
538 	unsigned char val;
539 	unsigned int size;
540 
541 	spin_lock_irq(&ice->reg_lock);
542 	val = (8 - substream->runtime->channels) >> 1;
543 	outb(val, ICEMT1724(ice, BURST));
544 
545 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
546 
547 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
548 	// outl(size, ICEMT1724(ice, PLAYBACK_SIZE));
549 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
550 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
551 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
552 	// outl(size, ICEMT1724(ice, PLAYBACK_COUNT));
553 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
554 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
555 
556 	spin_unlock_irq(&ice->reg_lock);
557 
558 	// 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));
559 	return 0;
560 }
561 
562 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(snd_pcm_substream_t * substream)
563 {
564 	ice1712_t *ice = snd_pcm_substream_chip(substream);
565 	size_t ptr;
566 
567 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
568 		return 0;
569 #if 0 /* read PLAYBACK_ADDR */
570 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
571 	if (ptr < substream->runtime->dma_addr) {
572 		snd_printd("ice1724: invalid negative ptr\n");
573 		return 0;
574 	}
575 	ptr -= substream->runtime->dma_addr;
576 	ptr = bytes_to_frames(substream->runtime, ptr);
577 	if (ptr >= substream->runtime->buffer_size) {
578 		snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->period_size);
579 		return 0;
580 	}
581 #else /* read PLAYBACK_SIZE */
582 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
583 	ptr = (ptr + 1) << 2;
584 	ptr = bytes_to_frames(substream->runtime, ptr);
585 	if (! ptr)
586 		;
587 	else if (ptr <= substream->runtime->buffer_size)
588 		ptr = substream->runtime->buffer_size - ptr;
589 	else {
590 		snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->buffer_size);
591 		ptr = 0;
592 	}
593 #endif
594 	return ptr;
595 }
596 
597 static int snd_vt1724_pcm_prepare(snd_pcm_substream_t *substream)
598 {
599 	ice1712_t *ice = snd_pcm_substream_chip(substream);
600 	struct vt1724_pcm_reg *reg = substream->runtime->private_data;
601 
602 	spin_lock_irq(&ice->reg_lock);
603 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
604 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1, ice->profi_port + reg->size);
605 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1, ice->profi_port + reg->count);
606 	spin_unlock_irq(&ice->reg_lock);
607 	return 0;
608 }
609 
610 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(snd_pcm_substream_t *substream)
611 {
612 	ice1712_t *ice = snd_pcm_substream_chip(substream);
613 	struct vt1724_pcm_reg *reg = substream->runtime->private_data;
614 	size_t ptr;
615 
616 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
617 		return 0;
618 #if 0 /* use ADDR register */
619 	ptr = inl(ice->profi_port + reg->addr);
620 	ptr -= substream->runtime->dma_addr;
621 	return bytes_to_frames(substream->runtime, ptr);
622 #else /* use SIZE register */
623 	ptr = inw(ice->profi_port + reg->size);
624 	ptr = (ptr + 1) << 2;
625 	ptr = bytes_to_frames(substream->runtime, ptr);
626 	if (! ptr)
627 		;
628 	else if (ptr <= substream->runtime->buffer_size)
629 		ptr = substream->runtime->buffer_size - ptr;
630 	else {
631 		snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->buffer_size);
632 		ptr = 0;
633 	}
634 	return ptr;
635 #endif
636 }
637 
638 static struct vt1724_pcm_reg vt1724_playback_pro_reg = {
639 	.addr = VT1724_MT_PLAYBACK_ADDR,
640 	.size = VT1724_MT_PLAYBACK_SIZE,
641 	.count = VT1724_MT_PLAYBACK_COUNT,
642 	.start = VT1724_PDMA0_START,
643 };
644 
645 static struct vt1724_pcm_reg vt1724_capture_pro_reg = {
646 	.addr = VT1724_MT_CAPTURE_ADDR,
647 	.size = VT1724_MT_CAPTURE_SIZE,
648 	.count = VT1724_MT_CAPTURE_COUNT,
649 	.start = VT1724_RDMA0_START,
650 };
651 
652 static snd_pcm_hardware_t snd_vt1724_playback_pro =
653 {
654 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
655 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
656 				 SNDRV_PCM_INFO_MMAP_VALID |
657 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
658 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
659 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
660 	.rate_min =		8000,
661 	.rate_max =		192000,
662 	.channels_min =		2,
663 	.channels_max =		8,
664 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
665 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
666 	.period_bytes_max =	(1UL << 21),
667 	.periods_min =		2,
668 	.periods_max =		1024,
669 };
670 
671 static snd_pcm_hardware_t snd_vt1724_spdif =
672 {
673 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
674 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
675 				 SNDRV_PCM_INFO_MMAP_VALID |
676 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
677 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
678 	.rates =	        SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
679 	.rate_min =		32000,
680 	.rate_max =		48000,
681 	.channels_min =		2,
682 	.channels_max =		2,
683 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
684 	.period_bytes_min =	2 * 4 * 2,
685 	.period_bytes_max =	(1UL << 18),
686 	.periods_min =		2,
687 	.periods_max =		1024,
688 };
689 
690 static snd_pcm_hardware_t snd_vt1724_2ch_stereo =
691 {
692 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
693 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
694 				 SNDRV_PCM_INFO_MMAP_VALID |
695 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
696 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
697 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
698 	.rate_min =		8000,
699 	.rate_max =		192000,
700 	.channels_min =		2,
701 	.channels_max =		2,
702 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
703 	.period_bytes_min =	2 * 4 * 2,
704 	.period_bytes_max =	(1UL << 18),
705 	.periods_min =		2,
706 	.periods_max =		1024,
707 };
708 
709 /*
710  * set rate constraints
711  */
712 static int set_rate_constraints(ice1712_t *ice, snd_pcm_substream_t *substream)
713 {
714 	snd_pcm_runtime_t *runtime = substream->runtime;
715 	if (ice->hw_rates) {
716 		/* hardware specific */
717 		runtime->hw.rate_min = ice->hw_rates->list[0];
718 		runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
719 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
720 		return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, ice->hw_rates);
721 	}
722 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
723 		/* I2S */
724 		/* VT1720 doesn't support more than 96kHz */
725 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
726 			return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_192);
727 		else {
728 			runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_96000;
729 			runtime->hw.rate_max = 96000;
730 			return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_96);
731 		}
732 	} else if (ice->ac97) {
733 		/* ACLINK */
734 		runtime->hw.rate_max = 48000;
735 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000;
736 		return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_48);
737 	}
738 	return 0;
739 }
740 
741 /* multi-channel playback needs alignment 8x32bit regardless of the channels
742  * actually used
743  */
744 #define VT1724_BUFFER_ALIGN	0x20
745 
746 static int snd_vt1724_playback_pro_open(snd_pcm_substream_t * substream)
747 {
748 	snd_pcm_runtime_t *runtime = substream->runtime;
749 	ice1712_t *ice = snd_pcm_substream_chip(substream);
750 	int chs;
751 
752 	runtime->private_data = &vt1724_playback_pro_reg;
753 	ice->playback_pro_substream = substream;
754 	runtime->hw = snd_vt1724_playback_pro;
755 	snd_pcm_set_sync(substream);
756 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
757 	set_rate_constraints(ice, substream);
758 	down(&ice->open_mutex);
759 	/* calculate the currently available channels */
760 	for (chs = 0; chs < 3; chs++) {
761 		if (ice->pcm_reserved[chs])
762 			break;
763 	}
764 	chs = (chs + 1) * 2;
765 	runtime->hw.channels_max = chs;
766 	if (chs > 2) /* channels must be even */
767 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
768 	up(&ice->open_mutex);
769 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
770 				   VT1724_BUFFER_ALIGN);
771 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
772 				   VT1724_BUFFER_ALIGN);
773 	return 0;
774 }
775 
776 static int snd_vt1724_capture_pro_open(snd_pcm_substream_t * substream)
777 {
778 	ice1712_t *ice = snd_pcm_substream_chip(substream);
779 	snd_pcm_runtime_t *runtime = substream->runtime;
780 
781 	runtime->private_data = &vt1724_capture_pro_reg;
782 	ice->capture_pro_substream = substream;
783 	runtime->hw = snd_vt1724_2ch_stereo;
784 	snd_pcm_set_sync(substream);
785 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
786 	set_rate_constraints(ice, substream);
787 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
788 				   VT1724_BUFFER_ALIGN);
789 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
790 				   VT1724_BUFFER_ALIGN);
791 	return 0;
792 }
793 
794 static int snd_vt1724_playback_pro_close(snd_pcm_substream_t * substream)
795 {
796 	ice1712_t *ice = snd_pcm_substream_chip(substream);
797 
798 	if (PRO_RATE_RESET)
799 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
800 	ice->playback_pro_substream = NULL;
801 
802 	return 0;
803 }
804 
805 static int snd_vt1724_capture_pro_close(snd_pcm_substream_t * substream)
806 {
807 	ice1712_t *ice = snd_pcm_substream_chip(substream);
808 
809 	if (PRO_RATE_RESET)
810 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
811 	ice->capture_pro_substream = NULL;
812 	return 0;
813 }
814 
815 static snd_pcm_ops_t snd_vt1724_playback_pro_ops = {
816 	.open =		snd_vt1724_playback_pro_open,
817 	.close =	snd_vt1724_playback_pro_close,
818 	.ioctl =	snd_pcm_lib_ioctl,
819 	.hw_params =	snd_vt1724_pcm_hw_params,
820 	.hw_free =	snd_vt1724_pcm_hw_free,
821 	.prepare =	snd_vt1724_playback_pro_prepare,
822 	.trigger =	snd_vt1724_pcm_trigger,
823 	.pointer =	snd_vt1724_playback_pro_pointer,
824 };
825 
826 static snd_pcm_ops_t snd_vt1724_capture_pro_ops = {
827 	.open =		snd_vt1724_capture_pro_open,
828 	.close =	snd_vt1724_capture_pro_close,
829 	.ioctl =	snd_pcm_lib_ioctl,
830 	.hw_params =	snd_vt1724_pcm_hw_params,
831 	.hw_free =	snd_vt1724_pcm_hw_free,
832 	.prepare =	snd_vt1724_pcm_prepare,
833 	.trigger =	snd_vt1724_pcm_trigger,
834 	.pointer =	snd_vt1724_pcm_pointer,
835 };
836 
837 static int __devinit snd_vt1724_pcm_profi(ice1712_t * ice, int device)
838 {
839 	snd_pcm_t *pcm;
840 	int err;
841 
842 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
843 	if (err < 0)
844 		return err;
845 
846 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
847 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
848 
849 	pcm->private_data = ice;
850 	pcm->info_flags = 0;
851 	strcpy(pcm->name, "ICE1724");
852 
853 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
854 					      snd_dma_pci_data(ice->pci), 256*1024, 256*1024);
855 
856 	ice->pcm_pro = pcm;
857 
858 	return 0;
859 }
860 
861 
862 /*
863  * SPDIF PCM
864  */
865 
866 static struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
867 	.addr = VT1724_MT_PDMA4_ADDR,
868 	.size = VT1724_MT_PDMA4_SIZE,
869 	.count = VT1724_MT_PDMA4_COUNT,
870 	.start = VT1724_PDMA4_START,
871 };
872 
873 static struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
874 	.addr = VT1724_MT_RDMA1_ADDR,
875 	.size = VT1724_MT_RDMA1_SIZE,
876 	.count = VT1724_MT_RDMA1_COUNT,
877 	.start = VT1724_RDMA1_START,
878 };
879 
880 /* update spdif control bits; call with reg_lock */
881 static void update_spdif_bits(ice1712_t *ice, unsigned int val)
882 {
883 	unsigned char cbit, disabled;
884 
885 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
886 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
887 	if (cbit != disabled)
888 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
889 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
890 	if (cbit != disabled)
891 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
892 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
893 }
894 
895 /* update SPDIF control bits according to the given rate */
896 static void update_spdif_rate(ice1712_t *ice, unsigned int rate)
897 {
898 	unsigned int val, nval;
899 	unsigned long flags;
900 
901 	spin_lock_irqsave(&ice->reg_lock, flags);
902 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
903 	nval &= ~(7 << 12);
904 	switch (rate) {
905 	case 44100: break;
906 	case 48000: nval |= 2 << 12; break;
907 	case 32000: nval |= 3 << 12; break;
908 	}
909 	if (val != nval)
910 		update_spdif_bits(ice, nval);
911 	spin_unlock_irqrestore(&ice->reg_lock, flags);
912 }
913 
914 static int snd_vt1724_playback_spdif_prepare(snd_pcm_substream_t * substream)
915 {
916 	ice1712_t *ice = snd_pcm_substream_chip(substream);
917 	if (! ice->force_pdma4)
918 		update_spdif_rate(ice, substream->runtime->rate);
919 	return snd_vt1724_pcm_prepare(substream);
920 }
921 
922 static int snd_vt1724_playback_spdif_open(snd_pcm_substream_t *substream)
923 {
924 	ice1712_t *ice = snd_pcm_substream_chip(substream);
925 	snd_pcm_runtime_t *runtime = substream->runtime;
926 
927 	runtime->private_data = &vt1724_playback_spdif_reg;
928 	ice->playback_con_substream = substream;
929 	if (ice->force_pdma4) {
930 		runtime->hw = snd_vt1724_2ch_stereo;
931 		set_rate_constraints(ice, substream);
932 	} else
933 		runtime->hw = snd_vt1724_spdif;
934 	snd_pcm_set_sync(substream);
935 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
936 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
937 				   VT1724_BUFFER_ALIGN);
938 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
939 				   VT1724_BUFFER_ALIGN);
940 	return 0;
941 }
942 
943 static int snd_vt1724_playback_spdif_close(snd_pcm_substream_t * substream)
944 {
945 	ice1712_t *ice = snd_pcm_substream_chip(substream);
946 
947 	if (PRO_RATE_RESET)
948 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
949 	ice->playback_con_substream = NULL;
950 
951 	return 0;
952 }
953 
954 static int snd_vt1724_capture_spdif_open(snd_pcm_substream_t *substream)
955 {
956 	ice1712_t *ice = snd_pcm_substream_chip(substream);
957 	snd_pcm_runtime_t *runtime = substream->runtime;
958 
959 	runtime->private_data = &vt1724_capture_spdif_reg;
960 	ice->capture_con_substream = substream;
961 	if (ice->force_rdma1) {
962 		runtime->hw = snd_vt1724_2ch_stereo;
963 		set_rate_constraints(ice, substream);
964 	} else
965 		runtime->hw = snd_vt1724_spdif;
966 	snd_pcm_set_sync(substream);
967 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
968 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
969 				   VT1724_BUFFER_ALIGN);
970 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
971 				   VT1724_BUFFER_ALIGN);
972 	return 0;
973 }
974 
975 static int snd_vt1724_capture_spdif_close(snd_pcm_substream_t * substream)
976 {
977 	ice1712_t *ice = snd_pcm_substream_chip(substream);
978 
979 	if (PRO_RATE_RESET)
980 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
981 	ice->capture_con_substream = NULL;
982 
983 	return 0;
984 }
985 
986 static snd_pcm_ops_t snd_vt1724_playback_spdif_ops = {
987 	.open =		snd_vt1724_playback_spdif_open,
988 	.close =	snd_vt1724_playback_spdif_close,
989 	.ioctl =	snd_pcm_lib_ioctl,
990 	.hw_params =	snd_vt1724_pcm_hw_params,
991 	.hw_free =	snd_vt1724_pcm_hw_free,
992 	.prepare =	snd_vt1724_playback_spdif_prepare,
993 	.trigger =	snd_vt1724_pcm_trigger,
994 	.pointer =	snd_vt1724_pcm_pointer,
995 };
996 
997 static snd_pcm_ops_t snd_vt1724_capture_spdif_ops = {
998 	.open =		snd_vt1724_capture_spdif_open,
999 	.close =	snd_vt1724_capture_spdif_close,
1000 	.ioctl =	snd_pcm_lib_ioctl,
1001 	.hw_params =	snd_vt1724_pcm_hw_params,
1002 	.hw_free =	snd_vt1724_pcm_hw_free,
1003 	.prepare =	snd_vt1724_pcm_prepare,
1004 	.trigger =	snd_vt1724_pcm_trigger,
1005 	.pointer =	snd_vt1724_pcm_pointer,
1006 };
1007 
1008 
1009 static int __devinit snd_vt1724_pcm_spdif(ice1712_t * ice, int device)
1010 {
1011 	char *name;
1012 	snd_pcm_t *pcm;
1013 	int play, capt;
1014 	int err;
1015 
1016 	if (ice->force_pdma4 ||
1017 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1018 		play = 1;
1019 		ice->has_spdif = 1;
1020 	} else
1021 		play = 0;
1022 	if (ice->force_rdma1 ||
1023 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1024 		capt = 1;
1025 		ice->has_spdif = 1;
1026 	} else
1027 		capt = 0;
1028 	if (! play && ! capt)
1029 		return 0; /* no spdif device */
1030 
1031 	if (ice->force_pdma4 || ice->force_rdma1)
1032 		name = "ICE1724 Secondary";
1033 	else
1034 		name = "IEC1724 IEC958";
1035 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1036 	if (err < 0)
1037 		return err;
1038 
1039 	if (play)
1040 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1041 				&snd_vt1724_playback_spdif_ops);
1042 	if (capt)
1043 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1044 				&snd_vt1724_capture_spdif_ops);
1045 
1046 	pcm->private_data = ice;
1047 	pcm->info_flags = 0;
1048 	strcpy(pcm->name, name);
1049 
1050 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1051 					      snd_dma_pci_data(ice->pci), 64*1024, 64*1024);
1052 
1053 	ice->pcm = pcm;
1054 
1055 	return 0;
1056 }
1057 
1058 
1059 /*
1060  * independent surround PCMs
1061  */
1062 
1063 static struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1064 	{
1065 		.addr = VT1724_MT_PDMA1_ADDR,
1066 		.size = VT1724_MT_PDMA1_SIZE,
1067 		.count = VT1724_MT_PDMA1_COUNT,
1068 		.start = VT1724_PDMA1_START,
1069 	},
1070 	{
1071 		.addr = VT1724_MT_PDMA2_ADDR,
1072 		.size = VT1724_MT_PDMA2_SIZE,
1073 		.count = VT1724_MT_PDMA2_COUNT,
1074 		.start = VT1724_PDMA2_START,
1075 	},
1076 	{
1077 		.addr = VT1724_MT_PDMA3_ADDR,
1078 		.size = VT1724_MT_PDMA3_SIZE,
1079 		.count = VT1724_MT_PDMA3_COUNT,
1080 		.start = VT1724_PDMA3_START,
1081 	},
1082 };
1083 
1084 static int snd_vt1724_playback_indep_prepare(snd_pcm_substream_t * substream)
1085 {
1086 	ice1712_t *ice = snd_pcm_substream_chip(substream);
1087 	unsigned char val;
1088 
1089 	spin_lock_irq(&ice->reg_lock);
1090 	val = 3 - substream->number;
1091 	if (inb(ICEMT1724(ice, BURST)) < val)
1092 		outb(val, ICEMT1724(ice, BURST));
1093 	spin_unlock_irq(&ice->reg_lock);
1094 	return snd_vt1724_pcm_prepare(substream);
1095 }
1096 
1097 static int snd_vt1724_playback_indep_open(snd_pcm_substream_t *substream)
1098 {
1099 	ice1712_t *ice = snd_pcm_substream_chip(substream);
1100 	snd_pcm_runtime_t *runtime = substream->runtime;
1101 
1102 	down(&ice->open_mutex);
1103 	/* already used by PDMA0? */
1104 	if (ice->pcm_reserved[substream->number]) {
1105 		up(&ice->open_mutex);
1106 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1107 	}
1108 	up(&ice->open_mutex);
1109 	runtime->private_data = &vt1724_playback_dma_regs[substream->number];
1110 	ice->playback_con_substream_ds[substream->number] = substream;
1111 	runtime->hw = snd_vt1724_2ch_stereo;
1112 	snd_pcm_set_sync(substream);
1113 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1114 	set_rate_constraints(ice, substream);
1115 	return 0;
1116 }
1117 
1118 static int snd_vt1724_playback_indep_close(snd_pcm_substream_t * substream)
1119 {
1120 	ice1712_t *ice = snd_pcm_substream_chip(substream);
1121 
1122 	if (PRO_RATE_RESET)
1123 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1124 	ice->playback_con_substream_ds[substream->number] = NULL;
1125 	ice->pcm_reserved[substream->number] = NULL;
1126 
1127 	return 0;
1128 }
1129 
1130 static snd_pcm_ops_t snd_vt1724_playback_indep_ops = {
1131 	.open =		snd_vt1724_playback_indep_open,
1132 	.close =	snd_vt1724_playback_indep_close,
1133 	.ioctl =	snd_pcm_lib_ioctl,
1134 	.hw_params =	snd_vt1724_pcm_hw_params,
1135 	.hw_free =	snd_vt1724_pcm_hw_free,
1136 	.prepare =	snd_vt1724_playback_indep_prepare,
1137 	.trigger =	snd_vt1724_pcm_trigger,
1138 	.pointer =	snd_vt1724_pcm_pointer,
1139 };
1140 
1141 
1142 static int __devinit snd_vt1724_pcm_indep(ice1712_t * ice, int device)
1143 {
1144 	snd_pcm_t *pcm;
1145 	int play;
1146 	int err;
1147 
1148 	play = ice->num_total_dacs / 2 - 1;
1149 	if (play <= 0)
1150 		return 0;
1151 
1152 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1153 	if (err < 0)
1154 		return err;
1155 
1156 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1157 			&snd_vt1724_playback_indep_ops);
1158 
1159 	pcm->private_data = ice;
1160 	pcm->info_flags = 0;
1161 	strcpy(pcm->name, "ICE1724 Surround PCM");
1162 
1163 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1164 					      snd_dma_pci_data(ice->pci), 64*1024, 64*1024);
1165 
1166 	ice->pcm_ds = pcm;
1167 
1168 	return 0;
1169 }
1170 
1171 
1172 /*
1173  *  Mixer section
1174  */
1175 
1176 static int __devinit snd_vt1724_ac97_mixer(ice1712_t * ice)
1177 {
1178 	int err;
1179 
1180 	if (! (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1181 		ac97_bus_t *pbus;
1182 		ac97_template_t ac97;
1183 		static ac97_bus_ops_t ops = {
1184 			.write = snd_vt1724_ac97_write,
1185 			.read = snd_vt1724_ac97_read,
1186 		};
1187 
1188 		/* cold reset */
1189 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1190 		mdelay(5); /* FIXME */
1191 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1192 
1193 		if ((err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus)) < 0)
1194 			return err;
1195 		memset(&ac97, 0, sizeof(ac97));
1196 		ac97.private_data = ice;
1197 		if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0)
1198 			printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1199 		else
1200 			return 0;
1201 	}
1202 	/* I2S mixer only */
1203 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1204 	return 0;
1205 }
1206 
1207 /*
1208  *
1209  */
1210 
1211 static inline unsigned int eeprom_triple(ice1712_t *ice, int idx)
1212 {
1213 	return (unsigned int)ice->eeprom.data[idx] | \
1214 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1215 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1216 }
1217 
1218 static void snd_vt1724_proc_read(snd_info_entry_t *entry,
1219 				 snd_info_buffer_t * buffer)
1220 {
1221 	ice1712_t *ice = entry->private_data;
1222 	unsigned int idx;
1223 
1224 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1225 	snd_iprintf(buffer, "EEPROM:\n");
1226 
1227 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1228 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1229 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1230 	snd_iprintf(buffer, "  System Config    : 0x%x\n", ice->eeprom.data[ICE_EEP2_SYSCONF]);
1231 	snd_iprintf(buffer, "  ACLink           : 0x%x\n", ice->eeprom.data[ICE_EEP2_ACLINK]);
1232 	snd_iprintf(buffer, "  I2S              : 0x%x\n", ice->eeprom.data[ICE_EEP2_I2S]);
1233 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n", ice->eeprom.data[ICE_EEP2_SPDIF]);
1234 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n", ice->eeprom.gpiodir);
1235 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n", ice->eeprom.gpiomask);
1236 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n", ice->eeprom.gpiostate);
1237 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1238 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n", idx, ice->eeprom.data[idx]);
1239 
1240 	snd_iprintf(buffer, "\nRegisters:\n");
1241 
1242 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n", (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1243 	for (idx = 0x0; idx < 0x20 ; idx++)
1244 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n", idx, inb(ice->port+idx));
1245 	for (idx = 0x0; idx < 0x30 ; idx++)
1246 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n", idx, inb(ice->profi_port+idx));
1247 }
1248 
1249 static void __devinit snd_vt1724_proc_init(ice1712_t * ice)
1250 {
1251 	snd_info_entry_t *entry;
1252 
1253 	if (! snd_card_proc_new(ice->card, "ice1724", &entry))
1254 		snd_info_set_text_ops(entry, ice, 1024, snd_vt1724_proc_read);
1255 }
1256 
1257 /*
1258  *
1259  */
1260 
1261 static int snd_vt1724_eeprom_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1262 {
1263 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1264 	uinfo->count = sizeof(ice1712_eeprom_t);
1265 	return 0;
1266 }
1267 
1268 static int snd_vt1724_eeprom_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1269 {
1270 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1271 
1272 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1273 	return 0;
1274 }
1275 
1276 static snd_kcontrol_new_t snd_vt1724_eeprom __devinitdata = {
1277 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1278 	.name = "ICE1724 EEPROM",
1279 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1280 	.info = snd_vt1724_eeprom_info,
1281 	.get = snd_vt1724_eeprom_get
1282 };
1283 
1284 /*
1285  */
1286 static int snd_vt1724_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1287 {
1288 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1289 	uinfo->count = 1;
1290 	return 0;
1291 }
1292 
1293 static unsigned int encode_spdif_bits(snd_aes_iec958_t *diga)
1294 {
1295 	unsigned int val;
1296 
1297 	val = diga->status[0] & 0x03; /* professional, non-audio */
1298 	if (val & 0x01) {
1299 		/* professional */
1300 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
1301 			val |= 1U << 3;
1302 		switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1303 		case IEC958_AES0_PRO_FS_44100:
1304 			break;
1305 		case IEC958_AES0_PRO_FS_32000:
1306 			val |= 3U << 12;
1307 			break;
1308 		default:
1309 			val |= 2U << 12;
1310 			break;
1311 		}
1312 	} else {
1313 		/* consumer */
1314 		val |= diga->status[1] & 0x04; /* copyright */
1315 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS)== IEC958_AES0_CON_EMPHASIS_5015)
1316 			val |= 1U << 3;
1317 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1318 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1319 	}
1320 	return val;
1321 }
1322 
1323 static void decode_spdif_bits(snd_aes_iec958_t *diga, unsigned int val)
1324 {
1325 	memset(diga->status, 0, sizeof(diga->status));
1326 	diga->status[0] = val & 0x03; /* professional, non-audio */
1327 	if (val & 0x01) {
1328 		/* professional */
1329 		if (val & (1U << 3))
1330 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1331 		switch ((val >> 12) & 0x7) {
1332 		case 0:
1333 			break;
1334 		case 2:
1335 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1336 			break;
1337 		default:
1338 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1339 			break;
1340 		}
1341 	} else {
1342 		/* consumer */
1343 		diga->status[0] |= val & (1U << 2); /* copyright */
1344 		if (val & (1U << 3))
1345 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1346 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1347 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1348 	}
1349 }
1350 
1351 static int snd_vt1724_spdif_default_get(snd_kcontrol_t * kcontrol,
1352 					snd_ctl_elem_value_t * ucontrol)
1353 {
1354 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1355 	unsigned int val;
1356 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1357 	decode_spdif_bits(&ucontrol->value.iec958, val);
1358 	return 0;
1359 }
1360 
1361 static int snd_vt1724_spdif_default_put(snd_kcontrol_t * kcontrol,
1362 					 snd_ctl_elem_value_t * ucontrol)
1363 {
1364 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1365 	unsigned int val, old;
1366 
1367 	val = encode_spdif_bits(&ucontrol->value.iec958);
1368 	spin_lock_irq(&ice->reg_lock);
1369 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1370 	if (val != old)
1371 		update_spdif_bits(ice, val);
1372 	spin_unlock_irq(&ice->reg_lock);
1373 	return (val != old);
1374 }
1375 
1376 static snd_kcontrol_new_t snd_vt1724_spdif_default __devinitdata =
1377 {
1378 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1379 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1380 	.info =		snd_vt1724_spdif_info,
1381 	.get =		snd_vt1724_spdif_default_get,
1382 	.put =		snd_vt1724_spdif_default_put
1383 };
1384 
1385 static int snd_vt1724_spdif_maskc_get(snd_kcontrol_t * kcontrol,
1386 				       snd_ctl_elem_value_t * ucontrol)
1387 {
1388 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1389 						     IEC958_AES0_PROFESSIONAL |
1390 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1391 						     IEC958_AES0_CON_EMPHASIS;
1392 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1393 						     IEC958_AES1_CON_CATEGORY;
1394 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1395 	return 0;
1396 }
1397 
1398 static int snd_vt1724_spdif_maskp_get(snd_kcontrol_t * kcontrol,
1399 				       snd_ctl_elem_value_t * ucontrol)
1400 {
1401 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1402 						     IEC958_AES0_PROFESSIONAL |
1403 						     IEC958_AES0_PRO_FS |
1404 						     IEC958_AES0_PRO_EMPHASIS;
1405 	return 0;
1406 }
1407 
1408 static snd_kcontrol_new_t snd_vt1724_spdif_maskc __devinitdata =
1409 {
1410 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1411 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1412 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1413 	.info =		snd_vt1724_spdif_info,
1414 	.get =		snd_vt1724_spdif_maskc_get,
1415 };
1416 
1417 static snd_kcontrol_new_t snd_vt1724_spdif_maskp __devinitdata =
1418 {
1419 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1420 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1421 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1422 	.info =		snd_vt1724_spdif_info,
1423 	.get =		snd_vt1724_spdif_maskp_get,
1424 };
1425 
1426 static int snd_vt1724_spdif_sw_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1427 {
1428 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1429 	uinfo->count = 1;
1430 	uinfo->value.integer.min = 0;
1431 	uinfo->value.integer.max = 1;
1432 	return 0;
1433 }
1434 
1435 static int snd_vt1724_spdif_sw_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1436 {
1437 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1438 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) & VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1439 	return 0;
1440 }
1441 
1442 static int snd_vt1724_spdif_sw_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1443 {
1444 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1445 	unsigned char old, val;
1446 
1447 	spin_lock_irq(&ice->reg_lock);
1448 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1449 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1450 	if (ucontrol->value.integer.value[0])
1451 		val |= VT1724_CFG_SPDIF_OUT_EN;
1452 	if (old != val)
1453 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1454 	spin_unlock_irq(&ice->reg_lock);
1455 	return old != val;
1456 }
1457 
1458 static snd_kcontrol_new_t snd_vt1724_spdif_switch __devinitdata =
1459 {
1460 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1461 	/* FIXME: the following conflict with IEC958 Playback Route */
1462 	// .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1463 	.name =         SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH),
1464 	.info =		snd_vt1724_spdif_sw_info,
1465 	.get =		snd_vt1724_spdif_sw_get,
1466 	.put =		snd_vt1724_spdif_sw_put
1467 };
1468 
1469 
1470 #if 0 /* NOT USED YET */
1471 /*
1472  * GPIO access from extern
1473  */
1474 
1475 int snd_vt1724_gpio_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1476 {
1477 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1478 	uinfo->count = 1;
1479 	uinfo->value.integer.min = 0;
1480 	uinfo->value.integer.max = 1;
1481 	return 0;
1482 }
1483 
1484 int snd_vt1724_gpio_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1485 {
1486 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1487 	int shift = kcontrol->private_value & 0xff;
1488 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1489 
1490 	snd_ice1712_save_gpio_status(ice);
1491 	ucontrol->value.integer.value[0] = (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1492 	snd_ice1712_restore_gpio_status(ice);
1493 	return 0;
1494 }
1495 
1496 int snd_ice1712_gpio_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1497 {
1498 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1499 	int shift = kcontrol->private_value & 0xff;
1500 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1501 	unsigned int val, nval;
1502 
1503 	if (kcontrol->private_value & (1 << 31))
1504 		return -EPERM;
1505 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1506 	snd_ice1712_save_gpio_status(ice);
1507 	val = snd_ice1712_gpio_read(ice);
1508 	nval |= val & ~(1 << shift);
1509 	if (val != nval)
1510 		snd_ice1712_gpio_write(ice, nval);
1511 	snd_ice1712_restore_gpio_status(ice);
1512 	return val != nval;
1513 }
1514 #endif /* NOT USED YET */
1515 
1516 /*
1517  *  rate
1518  */
1519 static int snd_vt1724_pro_internal_clock_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1520 {
1521 	static char *texts_1724[] = {
1522 		"8000",		/* 0: 6 */
1523 		"9600",		/* 1: 3 */
1524 		"11025",	/* 2: 10 */
1525 		"12000",	/* 3: 2 */
1526 		"16000",	/* 4: 5 */
1527 		"22050",	/* 5: 9 */
1528 		"24000",	/* 6: 1 */
1529 		"32000",	/* 7: 4 */
1530 		"44100",	/* 8: 8 */
1531 		"48000",	/* 9: 0 */
1532 		"64000",	/* 10: 15 */
1533 		"88200",	/* 11: 11 */
1534 		"96000",	/* 12: 7 */
1535 		"176400",	/* 13: 12 */
1536 		"192000",	/* 14: 14 */
1537 		"IEC958 Input",	/* 15: -- */
1538 	};
1539 	static char *texts_1720[] = {
1540 		"8000",		/* 0: 6 */
1541 		"9600",		/* 1: 3 */
1542 		"11025",	/* 2: 10 */
1543 		"12000",	/* 3: 2 */
1544 		"16000",	/* 4: 5 */
1545 		"22050",	/* 5: 9 */
1546 		"24000",	/* 6: 1 */
1547 		"32000",	/* 7: 4 */
1548 		"44100",	/* 8: 8 */
1549 		"48000",	/* 9: 0 */
1550 		"64000",	/* 10: 15 */
1551 		"88200",	/* 11: 11 */
1552 		"96000",	/* 12: 7 */
1553 		"IEC958 Input",	/* 13: -- */
1554 	};
1555 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1556 
1557 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1558 	uinfo->count = 1;
1559 	uinfo->value.enumerated.items = ice->vt1720 ? 14 : 16;
1560 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1561 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1562 	strcpy(uinfo->value.enumerated.name,
1563 	       ice->vt1720 ? texts_1720[uinfo->value.enumerated.item] :
1564 	       texts_1724[uinfo->value.enumerated.item]);
1565 	return 0;
1566 }
1567 
1568 static int snd_vt1724_pro_internal_clock_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1569 {
1570 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1571 	static unsigned char xlate[16] = {
1572 		9, 6, 3, 1, 7, 4, 0, 12, 8, 5, 2, 11, 13, 255, 14, 10
1573 	};
1574 	unsigned char val;
1575 
1576 	spin_lock_irq(&ice->reg_lock);
1577 	if (is_spdif_master(ice)) {
1578 		ucontrol->value.enumerated.item[0] = ice->vt1720 ? 13 : 15;
1579 	} else {
1580 		val = xlate[inb(ICEMT1724(ice, RATE)) & 15];
1581 		if (val == 255) {
1582 			snd_BUG();
1583 			val = 0;
1584 		}
1585 		ucontrol->value.enumerated.item[0] = val;
1586 	}
1587 	spin_unlock_irq(&ice->reg_lock);
1588 	return 0;
1589 }
1590 
1591 static int snd_vt1724_pro_internal_clock_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1592 {
1593 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1594 	unsigned char oval;
1595 	int rate;
1596 	int change = 0;
1597 	int spdif = ice->vt1720 ? 13 : 15;
1598 
1599 	spin_lock_irq(&ice->reg_lock);
1600 	oval = inb(ICEMT1724(ice, RATE));
1601 	if (ucontrol->value.enumerated.item[0] == spdif) {
1602 		outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1603 	} else {
1604 		rate = rates[ucontrol->value.integer.value[0] % 15];
1605 		if (rate <= get_max_rate(ice)) {
1606 			PRO_RATE_DEFAULT = rate;
1607 			spin_unlock_irq(&ice->reg_lock);
1608 			snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 1);
1609 			spin_lock_irq(&ice->reg_lock);
1610 		}
1611 	}
1612 	change = inb(ICEMT1724(ice, RATE)) != oval;
1613 	spin_unlock_irq(&ice->reg_lock);
1614 
1615 	if ((oval & VT1724_SPDIF_MASTER) != (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER)) {
1616 		/* notify akm chips as well */
1617 		if (is_spdif_master(ice)) {
1618 			unsigned int i;
1619 			for (i = 0; i < ice->akm_codecs; i++) {
1620 				if (ice->akm[i].ops.set_rate_val)
1621 					ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1622 			}
1623 		}
1624 	}
1625 	return change;
1626 }
1627 
1628 static snd_kcontrol_new_t snd_vt1724_pro_internal_clock __devinitdata = {
1629 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1630 	.name = "Multi Track Internal Clock",
1631 	.info = snd_vt1724_pro_internal_clock_info,
1632 	.get = snd_vt1724_pro_internal_clock_get,
1633 	.put = snd_vt1724_pro_internal_clock_put
1634 };
1635 
1636 static int snd_vt1724_pro_rate_locking_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1637 {
1638 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1639 	uinfo->count = 1;
1640 	uinfo->value.integer.min = 0;
1641 	uinfo->value.integer.max = 1;
1642 	return 0;
1643 }
1644 
1645 static int snd_vt1724_pro_rate_locking_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1646 {
1647 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1648 	return 0;
1649 }
1650 
1651 static int snd_vt1724_pro_rate_locking_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1652 {
1653 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1654 	int change = 0, nval;
1655 
1656 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1657 	spin_lock_irq(&ice->reg_lock);
1658 	change = PRO_RATE_LOCKED != nval;
1659 	PRO_RATE_LOCKED = nval;
1660 	spin_unlock_irq(&ice->reg_lock);
1661 	return change;
1662 }
1663 
1664 static snd_kcontrol_new_t snd_vt1724_pro_rate_locking __devinitdata = {
1665 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1666 	.name = "Multi Track Rate Locking",
1667 	.info = snd_vt1724_pro_rate_locking_info,
1668 	.get = snd_vt1724_pro_rate_locking_get,
1669 	.put = snd_vt1724_pro_rate_locking_put
1670 };
1671 
1672 static int snd_vt1724_pro_rate_reset_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1673 {
1674 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1675 	uinfo->count = 1;
1676 	uinfo->value.integer.min = 0;
1677 	uinfo->value.integer.max = 1;
1678 	return 0;
1679 }
1680 
1681 static int snd_vt1724_pro_rate_reset_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1682 {
1683 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1684 	return 0;
1685 }
1686 
1687 static int snd_vt1724_pro_rate_reset_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1688 {
1689 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1690 	int change = 0, nval;
1691 
1692 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1693 	spin_lock_irq(&ice->reg_lock);
1694 	change = PRO_RATE_RESET != nval;
1695 	PRO_RATE_RESET = nval;
1696 	spin_unlock_irq(&ice->reg_lock);
1697 	return change;
1698 }
1699 
1700 static snd_kcontrol_new_t snd_vt1724_pro_rate_reset __devinitdata = {
1701 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1702 	.name = "Multi Track Rate Reset",
1703 	.info = snd_vt1724_pro_rate_reset_info,
1704 	.get = snd_vt1724_pro_rate_reset_get,
1705 	.put = snd_vt1724_pro_rate_reset_put
1706 };
1707 
1708 
1709 /*
1710  * routing
1711  */
1712 static int snd_vt1724_pro_route_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1713 {
1714 	static char *texts[] = {
1715 		"PCM Out", /* 0 */
1716 		"H/W In 0", "H/W In 1", /* 1-2 */
1717 		"IEC958 In L", "IEC958 In R", /* 3-4 */
1718 	};
1719 
1720 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1721 	uinfo->count = 1;
1722 	uinfo->value.enumerated.items = 5;
1723 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1724 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1725 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1726 	return 0;
1727 }
1728 
1729 static inline int analog_route_shift(int idx)
1730 {
1731 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1732 }
1733 
1734 static inline int digital_route_shift(int idx)
1735 {
1736 	return idx * 3;
1737 }
1738 
1739 static int get_route_val(ice1712_t *ice, int shift)
1740 {
1741 	unsigned long val;
1742 	unsigned char eitem;
1743 	static unsigned char xlate[8] = {
1744 		0, 255, 1, 2, 255, 255, 3, 4,
1745 	};
1746 
1747 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1748 	val >>= shift;
1749 	val &= 7;	//we now have 3 bits per output
1750 	eitem = xlate[val];
1751 	if (eitem == 255) {
1752 		snd_BUG();
1753 		return 0;
1754 	}
1755 	return eitem;
1756 }
1757 
1758 static int put_route_val(ice1712_t *ice, unsigned int val, int shift)
1759 {
1760 	unsigned int old_val, nval;
1761 	int change;
1762 	static unsigned char xroute[8] = {
1763 		0, /* PCM */
1764 		2, /* PSDIN0 Left */
1765 		3, /* PSDIN0 Right */
1766 		6, /* SPDIN Left */
1767 		7, /* SPDIN Right */
1768 	};
1769 
1770 	nval = xroute[val % 5];
1771 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1772 	val &= ~(0x07 << shift);
1773 	val |= nval << shift;
1774 	change = val != old_val;
1775 	if (change)
1776 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1777 	return change;
1778 }
1779 
1780 static int snd_vt1724_pro_route_analog_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1781 {
1782 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1783 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1784 	ucontrol->value.enumerated.item[0] = get_route_val(ice, analog_route_shift(idx));
1785 	return 0;
1786 }
1787 
1788 static int snd_vt1724_pro_route_analog_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1789 {
1790 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1791 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1792 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1793 			     analog_route_shift(idx));
1794 }
1795 
1796 static int snd_vt1724_pro_route_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1797 {
1798 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1799 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1800 	ucontrol->value.enumerated.item[0] = get_route_val(ice, digital_route_shift(idx));
1801 	return 0;
1802 }
1803 
1804 static int snd_vt1724_pro_route_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1805 {
1806 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1807 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1808 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1809 			     digital_route_shift(idx));
1810 }
1811 
1812 static snd_kcontrol_new_t snd_vt1724_mixer_pro_analog_route __devinitdata = {
1813 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1814 	.name = "H/W Playback Route",
1815 	.info = snd_vt1724_pro_route_info,
1816 	.get = snd_vt1724_pro_route_analog_get,
1817 	.put = snd_vt1724_pro_route_analog_put,
1818 };
1819 
1820 static snd_kcontrol_new_t snd_vt1724_mixer_pro_spdif_route __devinitdata = {
1821 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1822 	.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Route",
1823 	.info = snd_vt1724_pro_route_info,
1824 	.get = snd_vt1724_pro_route_spdif_get,
1825 	.put = snd_vt1724_pro_route_spdif_put,
1826 	.count = 2,
1827 };
1828 
1829 
1830 static int snd_vt1724_pro_peak_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1831 {
1832 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1833 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
1834 	uinfo->value.integer.min = 0;
1835 	uinfo->value.integer.max = 255;
1836 	return 0;
1837 }
1838 
1839 static int snd_vt1724_pro_peak_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1840 {
1841 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1842 	int idx;
1843 
1844 	spin_lock_irq(&ice->reg_lock);
1845 	for (idx = 0; idx < 22; idx++) {
1846 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
1847 		ucontrol->value.integer.value[idx] = inb(ICEMT1724(ice, MONITOR_PEAKDATA));
1848 	}
1849 	spin_unlock_irq(&ice->reg_lock);
1850 	return 0;
1851 }
1852 
1853 static snd_kcontrol_new_t snd_vt1724_mixer_pro_peak __devinitdata = {
1854 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1855 	.name = "Multi Track Peak",
1856 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1857 	.info = snd_vt1724_pro_peak_info,
1858 	.get = snd_vt1724_pro_peak_get
1859 };
1860 
1861 /*
1862  *
1863  */
1864 
1865 static struct snd_ice1712_card_info no_matched __devinitdata;
1866 
1867 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
1868 	snd_vt1724_revo_cards,
1869 	snd_vt1724_amp_cards,
1870 	snd_vt1724_aureon_cards,
1871 	snd_vt1720_mobo_cards,
1872 	snd_vt1720_pontis_cards,
1873 	snd_vt1724_prodigy192_cards,
1874 	snd_vt1724_juli_cards,
1875 	snd_vt1724_phase_cards,
1876 	NULL,
1877 };
1878 
1879 
1880 /*
1881  */
1882 
1883 static void wait_i2c_busy(ice1712_t *ice)
1884 {
1885 	int t = 0x10000;
1886 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
1887 		;
1888 	if (t == -1)
1889 		printk(KERN_ERR "ice1724: i2c busy timeout\n");
1890 }
1891 
1892 unsigned char snd_vt1724_read_i2c(ice1712_t *ice, unsigned char dev, unsigned char addr)
1893 {
1894 	unsigned char val;
1895 
1896 	down(&ice->i2c_mutex);
1897 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1898 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1899 	wait_i2c_busy(ice);
1900 	val = inb(ICEREG1724(ice, I2C_DATA));
1901 	up(&ice->i2c_mutex);
1902 	//printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
1903 	return val;
1904 }
1905 
1906 void snd_vt1724_write_i2c(ice1712_t *ice, unsigned char dev, unsigned char addr, unsigned char data)
1907 {
1908 	down(&ice->i2c_mutex);
1909 	wait_i2c_busy(ice);
1910 	//printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
1911 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1912 	outb(data, ICEREG1724(ice, I2C_DATA));
1913 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1914 	wait_i2c_busy(ice);
1915 	up(&ice->i2c_mutex);
1916 }
1917 
1918 static int __devinit snd_vt1724_read_eeprom(ice1712_t *ice, const char *modelname)
1919 {
1920 	const int dev = 0xa0;		/* EEPROM device address */
1921 	unsigned int i, size;
1922 	struct snd_ice1712_card_info **tbl, *c;
1923 
1924 	if (! modelname || ! *modelname) {
1925 		ice->eeprom.subvendor = 0;
1926 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
1927 			ice->eeprom.subvendor =
1928 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
1929 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
1930 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
1931 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
1932 		if (ice->eeprom.subvendor == 0 || ice->eeprom.subvendor == (unsigned int)-1) {
1933 			/* invalid subvendor from EEPROM, try the PCI subststem ID instead */
1934 			u16 vendor, device;
1935 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID, &vendor);
1936 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
1937 			ice->eeprom.subvendor = ((unsigned int)swab16(vendor) << 16) | swab16(device);
1938 			if (ice->eeprom.subvendor == 0 || ice->eeprom.subvendor == (unsigned int)-1) {
1939 				printk(KERN_ERR "ice1724: No valid ID is found\n");
1940 				return -ENXIO;
1941 			}
1942 		}
1943 	}
1944 	for (tbl = card_tables; *tbl; tbl++) {
1945 		for (c = *tbl; c->subvendor; c++) {
1946 			if (modelname && c->model && ! strcmp(modelname, c->model)) {
1947 				printk(KERN_INFO "ice1724: Using board model %s\n", c->name);
1948 				ice->eeprom.subvendor = c->subvendor;
1949 			} else if (c->subvendor != ice->eeprom.subvendor)
1950 				continue;
1951 			if (! c->eeprom_size || ! c->eeprom_data)
1952 				goto found;
1953 			/* if the EEPROM is given by the driver, use it */
1954 			snd_printdd("using the defined eeprom..\n");
1955 			ice->eeprom.version = 2;
1956 			ice->eeprom.size = c->eeprom_size + 6;
1957 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
1958 			goto read_skipped;
1959 		}
1960 	}
1961 	printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n", ice->eeprom.subvendor);
1962 
1963  found:
1964 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
1965 	if (ice->eeprom.size < 6)
1966 		ice->eeprom.size = 32;
1967 	else if (ice->eeprom.size > 32) {
1968 		printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n", ice->eeprom.size);
1969 		return -EIO;
1970 	}
1971 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
1972 	if (ice->eeprom.version != 2)
1973 		printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n", ice->eeprom.version);
1974 	size = ice->eeprom.size - 6;
1975 	for (i = 0; i < size; i++)
1976 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
1977 
1978  read_skipped:
1979 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
1980 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
1981 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
1982 
1983 	return 0;
1984 }
1985 
1986 
1987 
1988 static int __devinit snd_vt1724_chip_init(ice1712_t *ice)
1989 {
1990 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
1991 	udelay(200);
1992 	outb(0, ICEREG1724(ice, CONTROL));
1993 	udelay(200);
1994 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
1995 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
1996 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
1997 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
1998 
1999 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2000 	ice->gpio.direction = ice->eeprom.gpiodir;
2001 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2002 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2003 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2004 
2005 	outb(0, ICEREG1724(ice, POWERDOWN));
2006 
2007 	return 0;
2008 }
2009 
2010 static int __devinit snd_vt1724_spdif_build_controls(ice1712_t *ice)
2011 {
2012 	int err;
2013 	snd_kcontrol_t *kctl;
2014 
2015 	snd_assert(ice->pcm != NULL, return -EIO);
2016 
2017 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2018 	if (err < 0)
2019 		return err;
2020 
2021 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2022 	if (err < 0)
2023 		return err;
2024 
2025 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2026 	if (err < 0)
2027 		return err;
2028 	kctl->id.device = ice->pcm->device;
2029 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2030 	if (err < 0)
2031 		return err;
2032 	kctl->id.device = ice->pcm->device;
2033 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2034 	if (err < 0)
2035 		return err;
2036 	kctl->id.device = ice->pcm->device;
2037 #if 0 /* use default only */
2038 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2039 	if (err < 0)
2040 		return err;
2041 	kctl->id.device = ice->pcm->device;
2042 	ice->spdif.stream_ctl = kctl;
2043 #endif
2044 	return 0;
2045 }
2046 
2047 
2048 static int __devinit snd_vt1724_build_controls(ice1712_t *ice)
2049 {
2050 	int err;
2051 
2052 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2053 	if (err < 0)
2054 		return err;
2055 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2056 	if (err < 0)
2057 		return err;
2058 
2059 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2060 	if (err < 0)
2061 		return err;
2062 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2063 	if (err < 0)
2064 		return err;
2065 
2066 	if (ice->num_total_dacs > 0) {
2067 		snd_kcontrol_new_t tmp = snd_vt1724_mixer_pro_analog_route;
2068 		tmp.count = ice->num_total_dacs;
2069 		if (ice->vt1720 && tmp.count > 2)
2070 			tmp.count = 2;
2071 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2072 		if (err < 0)
2073 			return err;
2074 	}
2075 
2076 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2077 	if (err < 0)
2078 		return err;
2079 
2080 	return 0;
2081 }
2082 
2083 static int snd_vt1724_free(ice1712_t *ice)
2084 {
2085 	if (! ice->port)
2086 		goto __hw_end;
2087 	/* mask all interrupts */
2088 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2089 	outb(0xff, ICEREG1724(ice, IRQMASK));
2090 	/* --- */
2091       __hw_end:
2092 	if (ice->irq >= 0) {
2093 		synchronize_irq(ice->irq);
2094 		free_irq(ice->irq, (void *) ice);
2095 	}
2096 	pci_release_regions(ice->pci);
2097 	snd_ice1712_akm4xxx_free(ice);
2098 	pci_disable_device(ice->pci);
2099 	kfree(ice);
2100 	return 0;
2101 }
2102 
2103 static int snd_vt1724_dev_free(snd_device_t *device)
2104 {
2105 	ice1712_t *ice = device->device_data;
2106 	return snd_vt1724_free(ice);
2107 }
2108 
2109 static int __devinit snd_vt1724_create(snd_card_t * card,
2110 				       struct pci_dev *pci,
2111 				       const char *modelname,
2112 				       ice1712_t ** r_ice1712)
2113 {
2114 	ice1712_t *ice;
2115 	int err;
2116 	unsigned char mask;
2117 	static snd_device_ops_t ops = {
2118 		.dev_free =	snd_vt1724_dev_free,
2119 	};
2120 
2121 	*r_ice1712 = NULL;
2122 
2123         /* enable PCI device */
2124 	if ((err = pci_enable_device(pci)) < 0)
2125 		return err;
2126 
2127 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2128 	if (ice == NULL) {
2129 		pci_disable_device(pci);
2130 		return -ENOMEM;
2131 	}
2132 	ice->vt1724 = 1;
2133 	spin_lock_init(&ice->reg_lock);
2134 	init_MUTEX(&ice->gpio_mutex);
2135 	init_MUTEX(&ice->open_mutex);
2136 	init_MUTEX(&ice->i2c_mutex);
2137 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2138 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2139 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2140 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2141 	ice->card = card;
2142 	ice->pci = pci;
2143 	ice->irq = -1;
2144 	pci_set_master(pci);
2145 	snd_vt1724_proc_init(ice);
2146 	synchronize_irq(pci->irq);
2147 
2148 	if ((err = pci_request_regions(pci, "ICE1724")) < 0) {
2149 		kfree(ice);
2150 		pci_disable_device(pci);
2151 		return err;
2152 	}
2153 	ice->port = pci_resource_start(pci, 0);
2154 	ice->profi_port = pci_resource_start(pci, 1);
2155 
2156 	if (request_irq(pci->irq, snd_vt1724_interrupt, SA_INTERRUPT|SA_SHIRQ, "ICE1724", (void *) ice)) {
2157 		snd_printk("unable to grab IRQ %d\n", pci->irq);
2158 		snd_vt1724_free(ice);
2159 		return -EIO;
2160 	}
2161 
2162 	ice->irq = pci->irq;
2163 
2164 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2165 		snd_vt1724_free(ice);
2166 		return -EIO;
2167 	}
2168 	if (snd_vt1724_chip_init(ice) < 0) {
2169 		snd_vt1724_free(ice);
2170 		return -EIO;
2171 	}
2172 
2173 	/* unmask used interrupts */
2174 	if (! (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401))
2175 		mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2176 	else
2177 		mask = 0;
2178 	outb(mask, ICEREG1724(ice, IRQMASK));
2179 	/* don't handle FIFO overrun/underruns (just yet), since they cause machine lockups */
2180 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2181 
2182 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops)) < 0) {
2183 		snd_vt1724_free(ice);
2184  		return err;
2185 	}
2186 
2187 	snd_card_set_dev(card, &pci->dev);
2188 
2189 	*r_ice1712 = ice;
2190 	return 0;
2191 }
2192 
2193 
2194 /*
2195  *
2196  * Registration
2197  *
2198  */
2199 
2200 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2201 				      const struct pci_device_id *pci_id)
2202 {
2203 	static int dev;
2204 	snd_card_t *card;
2205 	ice1712_t *ice;
2206 	int pcm_dev = 0, err;
2207 	struct snd_ice1712_card_info **tbl, *c;
2208 
2209 	if (dev >= SNDRV_CARDS)
2210 		return -ENODEV;
2211 	if (!enable[dev]) {
2212 		dev++;
2213 		return -ENOENT;
2214 	}
2215 
2216 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2217 	if (card == NULL)
2218 		return -ENOMEM;
2219 
2220 	strcpy(card->driver, "ICE1724");
2221 	strcpy(card->shortname, "ICEnsemble ICE1724");
2222 
2223 	if ((err = snd_vt1724_create(card, pci, model[dev], &ice)) < 0) {
2224 		snd_card_free(card);
2225 		return err;
2226 	}
2227 
2228 	for (tbl = card_tables; *tbl; tbl++) {
2229 		for (c = *tbl; c->subvendor; c++) {
2230 			if (c->subvendor == ice->eeprom.subvendor) {
2231 				strcpy(card->shortname, c->name);
2232 				if (c->driver) /* specific driver? */
2233 					strcpy(card->driver, c->driver);
2234 				if (c->chip_init) {
2235 					if ((err = c->chip_init(ice)) < 0) {
2236 						snd_card_free(card);
2237 						return err;
2238 					}
2239 				}
2240 				goto __found;
2241 			}
2242 		}
2243 	}
2244 	c = &no_matched;
2245  __found:
2246 
2247 	if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
2248 		snd_card_free(card);
2249 		return err;
2250 	}
2251 
2252 	if ((err = snd_vt1724_pcm_spdif(ice, pcm_dev++)) < 0) {
2253 		snd_card_free(card);
2254 		return err;
2255 	}
2256 
2257 	if ((err = snd_vt1724_pcm_indep(ice, pcm_dev++)) < 0) {
2258 		snd_card_free(card);
2259 		return err;
2260 	}
2261 
2262 	if ((err = snd_vt1724_ac97_mixer(ice)) < 0) {
2263 		snd_card_free(card);
2264 		return err;
2265 	}
2266 
2267 	if ((err = snd_vt1724_build_controls(ice)) < 0) {
2268 		snd_card_free(card);
2269 		return err;
2270 	}
2271 
2272 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2273 		if ((err = snd_vt1724_spdif_build_controls(ice)) < 0) {
2274 			snd_card_free(card);
2275 			return err;
2276 		}
2277 	}
2278 
2279 	if (c->build_controls) {
2280 		if ((err = c->build_controls(ice)) < 0) {
2281 			snd_card_free(card);
2282 			return err;
2283 		}
2284 	}
2285 
2286 	if (! c->no_mpu401) {
2287 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2288 			if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ICE1712,
2289 						       ICEREG1724(ice, MPU_CTRL), 1,
2290 						       ice->irq, 0,
2291 						       &ice->rmidi[0])) < 0) {
2292 				snd_card_free(card);
2293 				return err;
2294 			}
2295 		}
2296 	}
2297 
2298 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2299 		card->shortname, ice->port, ice->irq);
2300 
2301 	if ((err = snd_card_register(card)) < 0) {
2302 		snd_card_free(card);
2303 		return err;
2304 	}
2305 	pci_set_drvdata(pci, card);
2306 	dev++;
2307 	return 0;
2308 }
2309 
2310 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2311 {
2312 	snd_card_free(pci_get_drvdata(pci));
2313 	pci_set_drvdata(pci, NULL);
2314 }
2315 
2316 static struct pci_driver driver = {
2317 	.name = "ICE1724",
2318 	.owner = THIS_MODULE,
2319 	.id_table = snd_vt1724_ids,
2320 	.probe = snd_vt1724_probe,
2321 	.remove = __devexit_p(snd_vt1724_remove),
2322 };
2323 
2324 static int __init alsa_card_ice1724_init(void)
2325 {
2326 	return pci_register_driver(&driver);
2327 }
2328 
2329 static void __exit alsa_card_ice1724_exit(void)
2330 {
2331 	pci_unregister_driver(&driver);
2332 }
2333 
2334 module_init(alsa_card_ice1724_init)
2335 module_exit(alsa_card_ice1724_exit)
2336