xref: /linux/sound/pci/ice1712/ice1724.c (revision 47902f3611b392209e2a412bf7ec02dca95e666d)
1 /*
2  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
3  *                   VIA VT1720 (Envy24PT)
4  *
5  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
6  *                    2002 James Stafford <jstafford@ampltd.com>
7  *                    2003 Takashi Iwai <tiwai@suse.de>
8  *
9  *   This program is free software; you can redistribute it and/or modify
10  *   it under the terms of the GNU General Public License as published by
11  *   the Free Software Foundation; either version 2 of the License, or
12  *   (at your option) any later version.
13  *
14  *   This program is distributed in the hope that it will be useful,
15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *   GNU General Public License for more details.
18  *
19  *   You should have received a copy of the GNU General Public License
20  *   along with this program; if not, write to the Free Software
21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22  *
23  */
24 
25 #include <linux/io.h>
26 #include <linux/delay.h>
27 #include <linux/interrupt.h>
28 #include <linux/init.h>
29 #include <linux/pci.h>
30 #include <linux/slab.h>
31 #include <linux/moduleparam.h>
32 #include <linux/mutex.h>
33 #include <sound/core.h>
34 #include <sound/info.h>
35 #include <sound/rawmidi.h>
36 #include <sound/initval.h>
37 
38 #include <sound/asoundef.h>
39 
40 #include "ice1712.h"
41 #include "envy24ht.h"
42 
43 /* lowlevel routines */
44 #include "amp.h"
45 #include "revo.h"
46 #include "aureon.h"
47 #include "vt1720_mobo.h"
48 #include "pontis.h"
49 #include "prodigy192.h"
50 #include "prodigy_hifi.h"
51 #include "juli.h"
52 #include "maya44.h"
53 #include "phase.h"
54 #include "wtm.h"
55 #include "se.h"
56 #include "quartet.h"
57 
58 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
59 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
60 MODULE_LICENSE("GPL");
61 MODULE_SUPPORTED_DEVICE("{"
62 	       REVO_DEVICE_DESC
63 	       AMP_AUDIO2000_DEVICE_DESC
64 	       AUREON_DEVICE_DESC
65 	       VT1720_MOBO_DEVICE_DESC
66 	       PONTIS_DEVICE_DESC
67 	       PRODIGY192_DEVICE_DESC
68 	       PRODIGY_HIFI_DEVICE_DESC
69 	       JULI_DEVICE_DESC
70 	       MAYA44_DEVICE_DESC
71 	       PHASE_DEVICE_DESC
72 	       WTM_DEVICE_DESC
73 	       SE_DEVICE_DESC
74 	       QTET_DEVICE_DESC
75 		"{VIA,VT1720},"
76 		"{VIA,VT1724},"
77 		"{ICEnsemble,Generic ICE1724},"
78 		"{ICEnsemble,Generic Envy24HT}"
79 		"{ICEnsemble,Generic Envy24PT}}");
80 
81 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
82 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
83 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
84 static char *model[SNDRV_CARDS];
85 
86 module_param_array(index, int, NULL, 0444);
87 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
88 module_param_array(id, charp, NULL, 0444);
89 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
90 module_param_array(enable, bool, NULL, 0444);
91 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
92 module_param_array(model, charp, NULL, 0444);
93 MODULE_PARM_DESC(model, "Use the given board model.");
94 
95 
96 /* Both VT1720 and VT1724 have the same PCI IDs */
97 static DEFINE_PCI_DEVICE_TABLE(snd_vt1724_ids) = {
98 	{ PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 },
99 	{ 0, }
100 };
101 
102 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
103 
104 
105 static int PRO_RATE_LOCKED;
106 static int PRO_RATE_RESET = 1;
107 static unsigned int PRO_RATE_DEFAULT = 44100;
108 
109 static char *ext_clock_names[1] = { "IEC958 In" };
110 
111 /*
112  *  Basic I/O
113  */
114 
115 /*
116  *  default rates, default clock routines
117  */
118 
119 /* check whether the clock mode is spdif-in */
120 static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
121 {
122 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
123 }
124 
125 /*
126  * locking rate makes sense only for internal clock mode
127  */
128 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
129 {
130 	return (!ice->is_spdif_master(ice)) && PRO_RATE_LOCKED;
131 }
132 
133 /*
134  * ac97 section
135  */
136 
137 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
138 {
139 	unsigned char old_cmd;
140 	int tm;
141 	for (tm = 0; tm < 0x10000; tm++) {
142 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
143 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
144 			continue;
145 		if (!(old_cmd & VT1724_AC97_READY))
146 			continue;
147 		return old_cmd;
148 	}
149 	snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
150 	return old_cmd;
151 }
152 
153 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
154 {
155 	int tm;
156 	for (tm = 0; tm < 0x10000; tm++)
157 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
158 			return 0;
159 	snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
160 	return -EIO;
161 }
162 
163 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
164 				  unsigned short reg,
165 				  unsigned short val)
166 {
167 	struct snd_ice1712 *ice = ac97->private_data;
168 	unsigned char old_cmd;
169 
170 	old_cmd = snd_vt1724_ac97_ready(ice);
171 	old_cmd &= ~VT1724_AC97_ID_MASK;
172 	old_cmd |= ac97->num;
173 	outb(reg, ICEMT1724(ice, AC97_INDEX));
174 	outw(val, ICEMT1724(ice, AC97_DATA));
175 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
176 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
177 }
178 
179 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
180 {
181 	struct snd_ice1712 *ice = ac97->private_data;
182 	unsigned char old_cmd;
183 
184 	old_cmd = snd_vt1724_ac97_ready(ice);
185 	old_cmd &= ~VT1724_AC97_ID_MASK;
186 	old_cmd |= ac97->num;
187 	outb(reg, ICEMT1724(ice, AC97_INDEX));
188 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
189 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
190 		return ~0;
191 	return inw(ICEMT1724(ice, AC97_DATA));
192 }
193 
194 
195 /*
196  * GPIO operations
197  */
198 
199 /* set gpio direction 0 = read, 1 = write */
200 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
201 {
202 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
203 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
204 }
205 
206 /* get gpio direction 0 = read, 1 = write */
207 static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
208 {
209 	return inl(ICEREG1724(ice, GPIO_DIRECTION));
210 }
211 
212 /* set the gpio mask (0 = writable) */
213 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
214 {
215 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
216 	if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
217 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
218 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
219 }
220 
221 static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
222 {
223 	unsigned int mask;
224 	if (!ice->vt1720)
225 		mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
226 	else
227 		mask = 0;
228 	mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
229 	return mask;
230 }
231 
232 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
233 {
234 	outw(data, ICEREG1724(ice, GPIO_DATA));
235 	if (!ice->vt1720)
236 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
237 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
238 }
239 
240 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
241 {
242 	unsigned int data;
243 	if (!ice->vt1720)
244 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
245 	else
246 		data = 0;
247 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
248 	return data;
249 }
250 
251 /*
252  * MIDI
253  */
254 
255 static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
256 {
257 	unsigned int count;
258 
259 	for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
260 		inb(ICEREG1724(ice, MPU_DATA));
261 }
262 
263 static inline struct snd_rawmidi_substream *
264 get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
265 {
266 	return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
267 				struct snd_rawmidi_substream, list);
268 }
269 
270 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
271 
272 static void vt1724_midi_write(struct snd_ice1712 *ice)
273 {
274 	struct snd_rawmidi_substream *s;
275 	int count, i;
276 	u8 buffer[32];
277 
278 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
279 	count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
280 	if (count > 0) {
281 		count = snd_rawmidi_transmit(s, buffer, count);
282 		for (i = 0; i < count; ++i)
283 			outb(buffer[i], ICEREG1724(ice, MPU_DATA));
284 	}
285 	/* mask irq when all bytes have been transmitted.
286 	 * enabled again in output_trigger when the new data comes in.
287 	 */
288 	enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
289 			!snd_rawmidi_transmit_empty(s));
290 }
291 
292 static void vt1724_midi_read(struct snd_ice1712 *ice)
293 {
294 	struct snd_rawmidi_substream *s;
295 	int count, i;
296 	u8 buffer[32];
297 
298 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
299 	count = inb(ICEREG1724(ice, MPU_RXFIFO));
300 	if (count > 0) {
301 		count = min(count, 32);
302 		for (i = 0; i < count; ++i)
303 			buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
304 		snd_rawmidi_receive(s, buffer, count);
305 	}
306 }
307 
308 /* call with ice->reg_lock */
309 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
310 {
311 	u8 mask = inb(ICEREG1724(ice, IRQMASK));
312 	if (enable)
313 		mask &= ~flag;
314 	else
315 		mask |= flag;
316 	outb(mask, ICEREG1724(ice, IRQMASK));
317 }
318 
319 static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
320 				   u8 flag, int enable)
321 {
322 	struct snd_ice1712 *ice = substream->rmidi->private_data;
323 
324 	spin_lock_irq(&ice->reg_lock);
325 	enable_midi_irq(ice, flag, enable);
326 	spin_unlock_irq(&ice->reg_lock);
327 }
328 
329 static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
330 {
331 	return 0;
332 }
333 
334 static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
335 {
336 	return 0;
337 }
338 
339 static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
340 {
341 	struct snd_ice1712 *ice = s->rmidi->private_data;
342 	unsigned long flags;
343 
344 	spin_lock_irqsave(&ice->reg_lock, flags);
345 	if (up) {
346 		ice->midi_output = 1;
347 		vt1724_midi_write(ice);
348 	} else {
349 		ice->midi_output = 0;
350 		enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
351 	}
352 	spin_unlock_irqrestore(&ice->reg_lock, flags);
353 }
354 
355 static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
356 {
357 	struct snd_ice1712 *ice = s->rmidi->private_data;
358 	unsigned long timeout;
359 
360 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
361 	/* 32 bytes should be transmitted in less than about 12 ms */
362 	timeout = jiffies + msecs_to_jiffies(15);
363 	do {
364 		if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
365 			break;
366 		schedule_timeout_uninterruptible(1);
367 	} while (time_after(timeout, jiffies));
368 }
369 
370 static struct snd_rawmidi_ops vt1724_midi_output_ops = {
371 	.open = vt1724_midi_output_open,
372 	.close = vt1724_midi_output_close,
373 	.trigger = vt1724_midi_output_trigger,
374 	.drain = vt1724_midi_output_drain,
375 };
376 
377 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
378 {
379 	vt1724_midi_clear_rx(s->rmidi->private_data);
380 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
381 	return 0;
382 }
383 
384 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
385 {
386 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
387 	return 0;
388 }
389 
390 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
391 {
392 	struct snd_ice1712 *ice = s->rmidi->private_data;
393 	unsigned long flags;
394 
395 	spin_lock_irqsave(&ice->reg_lock, flags);
396 	if (up) {
397 		ice->midi_input = 1;
398 		vt1724_midi_read(ice);
399 	} else {
400 		ice->midi_input = 0;
401 	}
402 	spin_unlock_irqrestore(&ice->reg_lock, flags);
403 }
404 
405 static struct snd_rawmidi_ops vt1724_midi_input_ops = {
406 	.open = vt1724_midi_input_open,
407 	.close = vt1724_midi_input_close,
408 	.trigger = vt1724_midi_input_trigger,
409 };
410 
411 
412 /*
413  *  Interrupt handler
414  */
415 
416 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
417 {
418 	struct snd_ice1712 *ice = dev_id;
419 	unsigned char status;
420 	unsigned char status_mask =
421 		VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
422 	int handled = 0;
423 	int timeout = 0;
424 
425 	while (1) {
426 		status = inb(ICEREG1724(ice, IRQSTAT));
427 		status &= status_mask;
428 		if (status == 0)
429 			break;
430 		spin_lock(&ice->reg_lock);
431 		if (++timeout > 10) {
432 			status = inb(ICEREG1724(ice, IRQSTAT));
433 			printk(KERN_ERR "ice1724: Too long irq loop, "
434 			       "status = 0x%x\n", status);
435 			if (status & VT1724_IRQ_MPU_TX) {
436 				printk(KERN_ERR "ice1724: Disabling MPU_TX\n");
437 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
438 			}
439 			spin_unlock(&ice->reg_lock);
440 			break;
441 		}
442 		handled = 1;
443 		if (status & VT1724_IRQ_MPU_TX) {
444 			if (ice->midi_output)
445 				vt1724_midi_write(ice);
446 			else
447 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
448 			/* Due to mysterical reasons, MPU_TX is always
449 			 * generated (and can't be cleared) when a PCM
450 			 * playback is going.  So let's ignore at the
451 			 * next loop.
452 			 */
453 			status_mask &= ~VT1724_IRQ_MPU_TX;
454 		}
455 		if (status & VT1724_IRQ_MPU_RX) {
456 			if (ice->midi_input)
457 				vt1724_midi_read(ice);
458 			else
459 				vt1724_midi_clear_rx(ice);
460 		}
461 		/* ack MPU irq */
462 		outb(status, ICEREG1724(ice, IRQSTAT));
463 		spin_unlock(&ice->reg_lock);
464 		if (status & VT1724_IRQ_MTPCM) {
465 			/*
466 			 * Multi-track PCM
467 			 * PCM assignment are:
468 			 * Playback DMA0 (M/C) = playback_pro_substream
469 			 * Playback DMA1 = playback_con_substream_ds[0]
470 			 * Playback DMA2 = playback_con_substream_ds[1]
471 			 * Playback DMA3 = playback_con_substream_ds[2]
472 			 * Playback DMA4 (SPDIF) = playback_con_substream
473 			 * Record DMA0 = capture_pro_substream
474 			 * Record DMA1 = capture_con_substream
475 			 */
476 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
477 			if (mtstat & VT1724_MULTI_PDMA0) {
478 				if (ice->playback_pro_substream)
479 					snd_pcm_period_elapsed(ice->playback_pro_substream);
480 			}
481 			if (mtstat & VT1724_MULTI_RDMA0) {
482 				if (ice->capture_pro_substream)
483 					snd_pcm_period_elapsed(ice->capture_pro_substream);
484 			}
485 			if (mtstat & VT1724_MULTI_PDMA1) {
486 				if (ice->playback_con_substream_ds[0])
487 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
488 			}
489 			if (mtstat & VT1724_MULTI_PDMA2) {
490 				if (ice->playback_con_substream_ds[1])
491 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
492 			}
493 			if (mtstat & VT1724_MULTI_PDMA3) {
494 				if (ice->playback_con_substream_ds[2])
495 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
496 			}
497 			if (mtstat & VT1724_MULTI_PDMA4) {
498 				if (ice->playback_con_substream)
499 					snd_pcm_period_elapsed(ice->playback_con_substream);
500 			}
501 			if (mtstat & VT1724_MULTI_RDMA1) {
502 				if (ice->capture_con_substream)
503 					snd_pcm_period_elapsed(ice->capture_con_substream);
504 			}
505 			/* ack anyway to avoid freeze */
506 			outb(mtstat, ICEMT1724(ice, IRQ));
507 			/* ought to really handle this properly */
508 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
509 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
510 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
511 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
512 				/* If I don't do this, I get machine lockup due to continual interrupts */
513 			}
514 
515 		}
516 	}
517 	return IRQ_RETVAL(handled);
518 }
519 
520 /*
521  *  PCM code - professional part (multitrack)
522  */
523 
524 static unsigned int rates[] = {
525 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
526 	32000, 44100, 48000, 64000, 88200, 96000,
527 	176400, 192000,
528 };
529 
530 static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
531 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
532 	.list = rates,
533 	.mask = 0,
534 };
535 
536 static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
537 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
538 	.list = rates,
539 	.mask = 0,
540 };
541 
542 static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
543 	.count = ARRAY_SIZE(rates),
544 	.list = rates,
545 	.mask = 0,
546 };
547 
548 struct vt1724_pcm_reg {
549 	unsigned int addr;	/* ADDR register offset */
550 	unsigned int size;	/* SIZE register offset */
551 	unsigned int count;	/* COUNT register offset */
552 	unsigned int start;	/* start & pause bit */
553 };
554 
555 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
556 {
557 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
558 	unsigned char what;
559 	unsigned char old;
560 	struct snd_pcm_substream *s;
561 
562 	what = 0;
563 	snd_pcm_group_for_each_entry(s, substream) {
564 		if (snd_pcm_substream_chip(s) == ice) {
565 			const struct vt1724_pcm_reg *reg;
566 			reg = s->runtime->private_data;
567 			what |= reg->start;
568 			snd_pcm_trigger_done(s, substream);
569 		}
570 	}
571 
572 	switch (cmd) {
573 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
574 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
575 		spin_lock(&ice->reg_lock);
576 		old = inb(ICEMT1724(ice, DMA_PAUSE));
577 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
578 			old |= what;
579 		else
580 			old &= ~what;
581 		outb(old, ICEMT1724(ice, DMA_PAUSE));
582 		spin_unlock(&ice->reg_lock);
583 		break;
584 
585 	case SNDRV_PCM_TRIGGER_START:
586 	case SNDRV_PCM_TRIGGER_STOP:
587 	case SNDRV_PCM_TRIGGER_SUSPEND:
588 		spin_lock(&ice->reg_lock);
589 		old = inb(ICEMT1724(ice, DMA_CONTROL));
590 		if (cmd == SNDRV_PCM_TRIGGER_START)
591 			old |= what;
592 		else
593 			old &= ~what;
594 		outb(old, ICEMT1724(ice, DMA_CONTROL));
595 		spin_unlock(&ice->reg_lock);
596 		break;
597 
598 	case SNDRV_PCM_TRIGGER_RESUME:
599 		/* apps will have to restart stream */
600 		break;
601 
602 	default:
603 		return -EINVAL;
604 	}
605 	return 0;
606 }
607 
608 /*
609  */
610 
611 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
612 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
613 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
614 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
615 
616 static const unsigned int stdclock_rate_list[16] = {
617 	48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
618 	22050, 11025, 88200, 176400, 0, 192000, 64000
619 };
620 
621 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
622 {
623 	unsigned int rate;
624 	rate = stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
625 	return rate;
626 }
627 
628 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
629 {
630 	int i;
631 	for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
632 		if (stdclock_rate_list[i] == rate) {
633 			outb(i, ICEMT1724(ice, RATE));
634 			return;
635 		}
636 	}
637 }
638 
639 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
640 				       unsigned int rate)
641 {
642 	unsigned char val, old;
643 	/* check MT02 */
644 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
645 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
646 		if (rate > 96000)
647 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
648 		else
649 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
650 		if (val != old) {
651 			outb(val, ICEMT1724(ice, I2S_FORMAT));
652 			/* master clock changed */
653 			return 1;
654 		}
655 	}
656 	/* no change in master clock */
657 	return 0;
658 }
659 
660 static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
661 				    int force)
662 {
663 	unsigned long flags;
664 	unsigned char mclk_change;
665 	unsigned int i, old_rate;
666 
667 	if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
668 		return -EINVAL;
669 
670 	spin_lock_irqsave(&ice->reg_lock, flags);
671 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
672 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
673 		/* running? we cannot change the rate now... */
674 		spin_unlock_irqrestore(&ice->reg_lock, flags);
675 		return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
676 	}
677 	if (!force && is_pro_rate_locked(ice)) {
678 		/* comparing required and current rate - makes sense for
679 		 * internal clock only */
680 		spin_unlock_irqrestore(&ice->reg_lock, flags);
681 		return (rate == ice->cur_rate) ? 0 : -EBUSY;
682 	}
683 
684 	if (force || !ice->is_spdif_master(ice)) {
685 		/* force means the rate was switched by ucontrol, otherwise
686 		 * setting clock rate for internal clock mode */
687 		old_rate = ice->get_rate(ice);
688 		if (force || (old_rate != rate))
689 			ice->set_rate(ice, rate);
690 		else if (rate == ice->cur_rate) {
691 			spin_unlock_irqrestore(&ice->reg_lock, flags);
692 			return 0;
693 		}
694 	}
695 
696 	ice->cur_rate = rate;
697 
698 	/* setting master clock */
699 	mclk_change = ice->set_mclk(ice, rate);
700 
701 	spin_unlock_irqrestore(&ice->reg_lock, flags);
702 
703 	if (mclk_change && ice->gpio.i2s_mclk_changed)
704 		ice->gpio.i2s_mclk_changed(ice);
705 	if (ice->gpio.set_pro_rate)
706 		ice->gpio.set_pro_rate(ice, rate);
707 
708 	/* set up codecs */
709 	for (i = 0; i < ice->akm_codecs; i++) {
710 		if (ice->akm[i].ops.set_rate_val)
711 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
712 	}
713 	if (ice->spdif.ops.setup_rate)
714 		ice->spdif.ops.setup_rate(ice, rate);
715 
716 	return 0;
717 }
718 
719 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
720 				    struct snd_pcm_hw_params *hw_params)
721 {
722 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
723 	int i, chs, err;
724 
725 	chs = params_channels(hw_params);
726 	mutex_lock(&ice->open_mutex);
727 	/* mark surround channels */
728 	if (substream == ice->playback_pro_substream) {
729 		/* PDMA0 can be multi-channel up to 8 */
730 		chs = chs / 2 - 1;
731 		for (i = 0; i < chs; i++) {
732 			if (ice->pcm_reserved[i] &&
733 			    ice->pcm_reserved[i] != substream) {
734 				mutex_unlock(&ice->open_mutex);
735 				return -EBUSY;
736 			}
737 			ice->pcm_reserved[i] = substream;
738 		}
739 		for (; i < 3; i++) {
740 			if (ice->pcm_reserved[i] == substream)
741 				ice->pcm_reserved[i] = NULL;
742 		}
743 	} else {
744 		for (i = 0; i < 3; i++) {
745 			/* check individual playback stream */
746 			if (ice->playback_con_substream_ds[i] == substream) {
747 				if (ice->pcm_reserved[i] &&
748 				    ice->pcm_reserved[i] != substream) {
749 					mutex_unlock(&ice->open_mutex);
750 					return -EBUSY;
751 				}
752 				ice->pcm_reserved[i] = substream;
753 				break;
754 			}
755 		}
756 	}
757 	mutex_unlock(&ice->open_mutex);
758 
759 	err = snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
760 	if (err < 0)
761 		return err;
762 
763 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
764 }
765 
766 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
767 {
768 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
769 	int i;
770 
771 	mutex_lock(&ice->open_mutex);
772 	/* unmark surround channels */
773 	for (i = 0; i < 3; i++)
774 		if (ice->pcm_reserved[i] == substream)
775 			ice->pcm_reserved[i] = NULL;
776 	mutex_unlock(&ice->open_mutex);
777 	return snd_pcm_lib_free_pages(substream);
778 }
779 
780 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
781 {
782 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
783 	unsigned char val;
784 	unsigned int size;
785 
786 	spin_lock_irq(&ice->reg_lock);
787 	val = (8 - substream->runtime->channels) >> 1;
788 	outb(val, ICEMT1724(ice, BURST));
789 
790 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
791 
792 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
793 	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
794 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
795 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
796 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
797 	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
798 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
799 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
800 
801 	spin_unlock_irq(&ice->reg_lock);
802 
803 	/*
804 	printk(KERN_DEBUG "pro prepare: ch = %d, addr = 0x%x, "
805 	       "buffer = 0x%x, period = 0x%x\n",
806 	       substream->runtime->channels,
807 	       (unsigned int)substream->runtime->dma_addr,
808 	       snd_pcm_lib_buffer_bytes(substream),
809 	       snd_pcm_lib_period_bytes(substream));
810 	*/
811 	return 0;
812 }
813 
814 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
815 {
816 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
817 	size_t ptr;
818 
819 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
820 		return 0;
821 #if 0 /* read PLAYBACK_ADDR */
822 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
823 	if (ptr < substream->runtime->dma_addr) {
824 		snd_printd("ice1724: invalid negative ptr\n");
825 		return 0;
826 	}
827 	ptr -= substream->runtime->dma_addr;
828 	ptr = bytes_to_frames(substream->runtime, ptr);
829 	if (ptr >= substream->runtime->buffer_size) {
830 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
831 			   (int)ptr, (int)substream->runtime->period_size);
832 		return 0;
833 	}
834 #else /* read PLAYBACK_SIZE */
835 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
836 	ptr = (ptr + 1) << 2;
837 	ptr = bytes_to_frames(substream->runtime, ptr);
838 	if (!ptr)
839 		;
840 	else if (ptr <= substream->runtime->buffer_size)
841 		ptr = substream->runtime->buffer_size - ptr;
842 	else {
843 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
844 			   (int)ptr, (int)substream->runtime->buffer_size);
845 		ptr = 0;
846 	}
847 #endif
848 	return ptr;
849 }
850 
851 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
852 {
853 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
854 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
855 
856 	spin_lock_irq(&ice->reg_lock);
857 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
858 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
859 	     ice->profi_port + reg->size);
860 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
861 	     ice->profi_port + reg->count);
862 	spin_unlock_irq(&ice->reg_lock);
863 	return 0;
864 }
865 
866 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
867 {
868 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
869 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
870 	size_t ptr;
871 
872 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
873 		return 0;
874 #if 0 /* use ADDR register */
875 	ptr = inl(ice->profi_port + reg->addr);
876 	ptr -= substream->runtime->dma_addr;
877 	return bytes_to_frames(substream->runtime, ptr);
878 #else /* use SIZE register */
879 	ptr = inw(ice->profi_port + reg->size);
880 	ptr = (ptr + 1) << 2;
881 	ptr = bytes_to_frames(substream->runtime, ptr);
882 	if (!ptr)
883 		;
884 	else if (ptr <= substream->runtime->buffer_size)
885 		ptr = substream->runtime->buffer_size - ptr;
886 	else {
887 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
888 			   (int)ptr, (int)substream->runtime->buffer_size);
889 		ptr = 0;
890 	}
891 	return ptr;
892 #endif
893 }
894 
895 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
896 	.addr = VT1724_MT_PLAYBACK_ADDR,
897 	.size = VT1724_MT_PLAYBACK_SIZE,
898 	.count = VT1724_MT_PLAYBACK_COUNT,
899 	.start = VT1724_PDMA0_START,
900 };
901 
902 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
903 	.addr = VT1724_MT_PDMA4_ADDR,
904 	.size = VT1724_MT_PDMA4_SIZE,
905 	.count = VT1724_MT_PDMA4_COUNT,
906 	.start = VT1724_PDMA4_START,
907 };
908 
909 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
910 	.addr = VT1724_MT_CAPTURE_ADDR,
911 	.size = VT1724_MT_CAPTURE_SIZE,
912 	.count = VT1724_MT_CAPTURE_COUNT,
913 	.start = VT1724_RDMA0_START,
914 };
915 
916 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
917 	.addr = VT1724_MT_RDMA1_ADDR,
918 	.size = VT1724_MT_RDMA1_SIZE,
919 	.count = VT1724_MT_RDMA1_COUNT,
920 	.start = VT1724_RDMA1_START,
921 };
922 
923 #define vt1724_playback_pro_reg vt1724_pdma0_reg
924 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
925 #define vt1724_capture_pro_reg vt1724_rdma0_reg
926 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
927 
928 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
929 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
930 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
931 				 SNDRV_PCM_INFO_MMAP_VALID |
932 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
933 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
934 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
935 	.rate_min =		8000,
936 	.rate_max =		192000,
937 	.channels_min =		2,
938 	.channels_max =		8,
939 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
940 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
941 	.period_bytes_max =	(1UL << 21),
942 	.periods_min =		2,
943 	.periods_max =		1024,
944 };
945 
946 static const struct snd_pcm_hardware snd_vt1724_spdif = {
947 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
948 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
949 				 SNDRV_PCM_INFO_MMAP_VALID |
950 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
951 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
952 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
953 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
954 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
955 				 SNDRV_PCM_RATE_192000),
956 	.rate_min =		32000,
957 	.rate_max =		192000,
958 	.channels_min =		2,
959 	.channels_max =		2,
960 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
961 	.period_bytes_min =	2 * 4 * 2,
962 	.period_bytes_max =	(1UL << 18),
963 	.periods_min =		2,
964 	.periods_max =		1024,
965 };
966 
967 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
968 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
969 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
970 				 SNDRV_PCM_INFO_MMAP_VALID |
971 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
972 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
973 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
974 	.rate_min =		8000,
975 	.rate_max =		192000,
976 	.channels_min =		2,
977 	.channels_max =		2,
978 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
979 	.period_bytes_min =	2 * 4 * 2,
980 	.period_bytes_max =	(1UL << 18),
981 	.periods_min =		2,
982 	.periods_max =		1024,
983 };
984 
985 /*
986  * set rate constraints
987  */
988 static void set_std_hw_rates(struct snd_ice1712 *ice)
989 {
990 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
991 		/* I2S */
992 		/* VT1720 doesn't support more than 96kHz */
993 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
994 			ice->hw_rates = &hw_constraints_rates_192;
995 		else
996 			ice->hw_rates = &hw_constraints_rates_96;
997 	} else {
998 		/* ACLINK */
999 		ice->hw_rates = &hw_constraints_rates_48;
1000 	}
1001 }
1002 
1003 static int set_rate_constraints(struct snd_ice1712 *ice,
1004 				struct snd_pcm_substream *substream)
1005 {
1006 	struct snd_pcm_runtime *runtime = substream->runtime;
1007 
1008 	runtime->hw.rate_min = ice->hw_rates->list[0];
1009 	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
1010 	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
1011 	return snd_pcm_hw_constraint_list(runtime, 0,
1012 					  SNDRV_PCM_HW_PARAM_RATE,
1013 					  ice->hw_rates);
1014 }
1015 
1016 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1017  * actually used
1018  */
1019 #define VT1724_BUFFER_ALIGN	0x20
1020 
1021 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1022 {
1023 	struct snd_pcm_runtime *runtime = substream->runtime;
1024 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1025 	int chs, num_indeps;
1026 
1027 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
1028 	ice->playback_pro_substream = substream;
1029 	runtime->hw = snd_vt1724_playback_pro;
1030 	snd_pcm_set_sync(substream);
1031 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1032 	set_rate_constraints(ice, substream);
1033 	mutex_lock(&ice->open_mutex);
1034 	/* calculate the currently available channels */
1035 	num_indeps = ice->num_total_dacs / 2 - 1;
1036 	for (chs = 0; chs < num_indeps; chs++) {
1037 		if (ice->pcm_reserved[chs])
1038 			break;
1039 	}
1040 	chs = (chs + 1) * 2;
1041 	runtime->hw.channels_max = chs;
1042 	if (chs > 2) /* channels must be even */
1043 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1044 	mutex_unlock(&ice->open_mutex);
1045 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1046 				   VT1724_BUFFER_ALIGN);
1047 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1048 				   VT1724_BUFFER_ALIGN);
1049 	if (ice->pro_open)
1050 		ice->pro_open(ice, substream);
1051 	return 0;
1052 }
1053 
1054 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1055 {
1056 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1057 	struct snd_pcm_runtime *runtime = substream->runtime;
1058 
1059 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
1060 	ice->capture_pro_substream = substream;
1061 	runtime->hw = snd_vt1724_2ch_stereo;
1062 	snd_pcm_set_sync(substream);
1063 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1064 	set_rate_constraints(ice, substream);
1065 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1066 				   VT1724_BUFFER_ALIGN);
1067 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1068 				   VT1724_BUFFER_ALIGN);
1069 	if (ice->pro_open)
1070 		ice->pro_open(ice, substream);
1071 	return 0;
1072 }
1073 
1074 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1075 {
1076 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1077 
1078 	if (PRO_RATE_RESET)
1079 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1080 	ice->playback_pro_substream = NULL;
1081 
1082 	return 0;
1083 }
1084 
1085 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1086 {
1087 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1088 
1089 	if (PRO_RATE_RESET)
1090 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1091 	ice->capture_pro_substream = NULL;
1092 	return 0;
1093 }
1094 
1095 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1096 	.open =		snd_vt1724_playback_pro_open,
1097 	.close =	snd_vt1724_playback_pro_close,
1098 	.ioctl =	snd_pcm_lib_ioctl,
1099 	.hw_params =	snd_vt1724_pcm_hw_params,
1100 	.hw_free =	snd_vt1724_pcm_hw_free,
1101 	.prepare =	snd_vt1724_playback_pro_prepare,
1102 	.trigger =	snd_vt1724_pcm_trigger,
1103 	.pointer =	snd_vt1724_playback_pro_pointer,
1104 };
1105 
1106 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1107 	.open =		snd_vt1724_capture_pro_open,
1108 	.close =	snd_vt1724_capture_pro_close,
1109 	.ioctl =	snd_pcm_lib_ioctl,
1110 	.hw_params =	snd_vt1724_pcm_hw_params,
1111 	.hw_free =	snd_vt1724_pcm_hw_free,
1112 	.prepare =	snd_vt1724_pcm_prepare,
1113 	.trigger =	snd_vt1724_pcm_trigger,
1114 	.pointer =	snd_vt1724_pcm_pointer,
1115 };
1116 
1117 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1118 {
1119 	struct snd_pcm *pcm;
1120 	int err;
1121 
1122 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
1123 	if (err < 0)
1124 		return err;
1125 
1126 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1127 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
1128 
1129 	pcm->private_data = ice;
1130 	pcm->info_flags = 0;
1131 	strcpy(pcm->name, "ICE1724");
1132 
1133 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1134 					      snd_dma_pci_data(ice->pci),
1135 					      256*1024, 256*1024);
1136 
1137 	ice->pcm_pro = pcm;
1138 
1139 	return 0;
1140 }
1141 
1142 
1143 /*
1144  * SPDIF PCM
1145  */
1146 
1147 /* update spdif control bits; call with reg_lock */
1148 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1149 {
1150 	unsigned char cbit, disabled;
1151 
1152 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1153 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1154 	if (cbit != disabled)
1155 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1156 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1157 	if (cbit != disabled)
1158 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1159 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1160 }
1161 
1162 /* update SPDIF control bits according to the given rate */
1163 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1164 {
1165 	unsigned int val, nval;
1166 	unsigned long flags;
1167 
1168 	spin_lock_irqsave(&ice->reg_lock, flags);
1169 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1170 	nval &= ~(7 << 12);
1171 	switch (rate) {
1172 	case 44100: break;
1173 	case 48000: nval |= 2 << 12; break;
1174 	case 32000: nval |= 3 << 12; break;
1175 	case 88200: nval |= 4 << 12; break;
1176 	case 96000: nval |= 5 << 12; break;
1177 	case 192000: nval |= 6 << 12; break;
1178 	case 176400: nval |= 7 << 12; break;
1179 	}
1180 	if (val != nval)
1181 		update_spdif_bits(ice, nval);
1182 	spin_unlock_irqrestore(&ice->reg_lock, flags);
1183 }
1184 
1185 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1186 {
1187 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1188 	if (!ice->force_pdma4)
1189 		update_spdif_rate(ice, substream->runtime->rate);
1190 	return snd_vt1724_pcm_prepare(substream);
1191 }
1192 
1193 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1194 {
1195 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1196 	struct snd_pcm_runtime *runtime = substream->runtime;
1197 
1198 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1199 	ice->playback_con_substream = substream;
1200 	if (ice->force_pdma4) {
1201 		runtime->hw = snd_vt1724_2ch_stereo;
1202 		set_rate_constraints(ice, substream);
1203 	} else
1204 		runtime->hw = snd_vt1724_spdif;
1205 	snd_pcm_set_sync(substream);
1206 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1207 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1208 				   VT1724_BUFFER_ALIGN);
1209 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1210 				   VT1724_BUFFER_ALIGN);
1211 	if (ice->spdif.ops.open)
1212 		ice->spdif.ops.open(ice, substream);
1213 	return 0;
1214 }
1215 
1216 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1217 {
1218 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1219 
1220 	if (PRO_RATE_RESET)
1221 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1222 	ice->playback_con_substream = NULL;
1223 	if (ice->spdif.ops.close)
1224 		ice->spdif.ops.close(ice, substream);
1225 
1226 	return 0;
1227 }
1228 
1229 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1230 {
1231 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1232 	struct snd_pcm_runtime *runtime = substream->runtime;
1233 
1234 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1235 	ice->capture_con_substream = substream;
1236 	if (ice->force_rdma1) {
1237 		runtime->hw = snd_vt1724_2ch_stereo;
1238 		set_rate_constraints(ice, substream);
1239 	} else
1240 		runtime->hw = snd_vt1724_spdif;
1241 	snd_pcm_set_sync(substream);
1242 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1243 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1244 				   VT1724_BUFFER_ALIGN);
1245 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1246 				   VT1724_BUFFER_ALIGN);
1247 	if (ice->spdif.ops.open)
1248 		ice->spdif.ops.open(ice, substream);
1249 	return 0;
1250 }
1251 
1252 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1253 {
1254 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1255 
1256 	if (PRO_RATE_RESET)
1257 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1258 	ice->capture_con_substream = NULL;
1259 	if (ice->spdif.ops.close)
1260 		ice->spdif.ops.close(ice, substream);
1261 
1262 	return 0;
1263 }
1264 
1265 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1266 	.open =		snd_vt1724_playback_spdif_open,
1267 	.close =	snd_vt1724_playback_spdif_close,
1268 	.ioctl =	snd_pcm_lib_ioctl,
1269 	.hw_params =	snd_vt1724_pcm_hw_params,
1270 	.hw_free =	snd_vt1724_pcm_hw_free,
1271 	.prepare =	snd_vt1724_playback_spdif_prepare,
1272 	.trigger =	snd_vt1724_pcm_trigger,
1273 	.pointer =	snd_vt1724_pcm_pointer,
1274 };
1275 
1276 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1277 	.open =		snd_vt1724_capture_spdif_open,
1278 	.close =	snd_vt1724_capture_spdif_close,
1279 	.ioctl =	snd_pcm_lib_ioctl,
1280 	.hw_params =	snd_vt1724_pcm_hw_params,
1281 	.hw_free =	snd_vt1724_pcm_hw_free,
1282 	.prepare =	snd_vt1724_pcm_prepare,
1283 	.trigger =	snd_vt1724_pcm_trigger,
1284 	.pointer =	snd_vt1724_pcm_pointer,
1285 };
1286 
1287 
1288 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1289 {
1290 	char *name;
1291 	struct snd_pcm *pcm;
1292 	int play, capt;
1293 	int err;
1294 
1295 	if (ice->force_pdma4 ||
1296 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1297 		play = 1;
1298 		ice->has_spdif = 1;
1299 	} else
1300 		play = 0;
1301 	if (ice->force_rdma1 ||
1302 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1303 		capt = 1;
1304 		ice->has_spdif = 1;
1305 	} else
1306 		capt = 0;
1307 	if (!play && !capt)
1308 		return 0; /* no spdif device */
1309 
1310 	if (ice->force_pdma4 || ice->force_rdma1)
1311 		name = "ICE1724 Secondary";
1312 	else
1313 		name = "ICE1724 IEC958";
1314 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1315 	if (err < 0)
1316 		return err;
1317 
1318 	if (play)
1319 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1320 				&snd_vt1724_playback_spdif_ops);
1321 	if (capt)
1322 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1323 				&snd_vt1724_capture_spdif_ops);
1324 
1325 	pcm->private_data = ice;
1326 	pcm->info_flags = 0;
1327 	strcpy(pcm->name, name);
1328 
1329 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1330 					      snd_dma_pci_data(ice->pci),
1331 					      256*1024, 256*1024);
1332 
1333 	ice->pcm = pcm;
1334 
1335 	return 0;
1336 }
1337 
1338 
1339 /*
1340  * independent surround PCMs
1341  */
1342 
1343 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1344 	{
1345 		.addr = VT1724_MT_PDMA1_ADDR,
1346 		.size = VT1724_MT_PDMA1_SIZE,
1347 		.count = VT1724_MT_PDMA1_COUNT,
1348 		.start = VT1724_PDMA1_START,
1349 	},
1350 	{
1351 		.addr = VT1724_MT_PDMA2_ADDR,
1352 		.size = VT1724_MT_PDMA2_SIZE,
1353 		.count = VT1724_MT_PDMA2_COUNT,
1354 		.start = VT1724_PDMA2_START,
1355 	},
1356 	{
1357 		.addr = VT1724_MT_PDMA3_ADDR,
1358 		.size = VT1724_MT_PDMA3_SIZE,
1359 		.count = VT1724_MT_PDMA3_COUNT,
1360 		.start = VT1724_PDMA3_START,
1361 	},
1362 };
1363 
1364 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1365 {
1366 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1367 	unsigned char val;
1368 
1369 	spin_lock_irq(&ice->reg_lock);
1370 	val = 3 - substream->number;
1371 	if (inb(ICEMT1724(ice, BURST)) < val)
1372 		outb(val, ICEMT1724(ice, BURST));
1373 	spin_unlock_irq(&ice->reg_lock);
1374 	return snd_vt1724_pcm_prepare(substream);
1375 }
1376 
1377 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1378 {
1379 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1380 	struct snd_pcm_runtime *runtime = substream->runtime;
1381 
1382 	mutex_lock(&ice->open_mutex);
1383 	/* already used by PDMA0? */
1384 	if (ice->pcm_reserved[substream->number]) {
1385 		mutex_unlock(&ice->open_mutex);
1386 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1387 	}
1388 	mutex_unlock(&ice->open_mutex);
1389 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1390 	ice->playback_con_substream_ds[substream->number] = substream;
1391 	runtime->hw = snd_vt1724_2ch_stereo;
1392 	snd_pcm_set_sync(substream);
1393 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1394 	set_rate_constraints(ice, substream);
1395 	return 0;
1396 }
1397 
1398 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1399 {
1400 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1401 
1402 	if (PRO_RATE_RESET)
1403 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1404 	ice->playback_con_substream_ds[substream->number] = NULL;
1405 	ice->pcm_reserved[substream->number] = NULL;
1406 
1407 	return 0;
1408 }
1409 
1410 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1411 	.open =		snd_vt1724_playback_indep_open,
1412 	.close =	snd_vt1724_playback_indep_close,
1413 	.ioctl =	snd_pcm_lib_ioctl,
1414 	.hw_params =	snd_vt1724_pcm_hw_params,
1415 	.hw_free =	snd_vt1724_pcm_hw_free,
1416 	.prepare =	snd_vt1724_playback_indep_prepare,
1417 	.trigger =	snd_vt1724_pcm_trigger,
1418 	.pointer =	snd_vt1724_pcm_pointer,
1419 };
1420 
1421 
1422 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1423 {
1424 	struct snd_pcm *pcm;
1425 	int play;
1426 	int err;
1427 
1428 	play = ice->num_total_dacs / 2 - 1;
1429 	if (play <= 0)
1430 		return 0;
1431 
1432 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1433 	if (err < 0)
1434 		return err;
1435 
1436 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1437 			&snd_vt1724_playback_indep_ops);
1438 
1439 	pcm->private_data = ice;
1440 	pcm->info_flags = 0;
1441 	strcpy(pcm->name, "ICE1724 Surround PCM");
1442 
1443 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1444 					      snd_dma_pci_data(ice->pci),
1445 					      256*1024, 256*1024);
1446 
1447 	ice->pcm_ds = pcm;
1448 
1449 	return 0;
1450 }
1451 
1452 
1453 /*
1454  *  Mixer section
1455  */
1456 
1457 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1458 {
1459 	int err;
1460 
1461 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1462 		struct snd_ac97_bus *pbus;
1463 		struct snd_ac97_template ac97;
1464 		static struct snd_ac97_bus_ops ops = {
1465 			.write = snd_vt1724_ac97_write,
1466 			.read = snd_vt1724_ac97_read,
1467 		};
1468 
1469 		/* cold reset */
1470 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1471 		mdelay(5); /* FIXME */
1472 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1473 
1474 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1475 		if (err < 0)
1476 			return err;
1477 		memset(&ac97, 0, sizeof(ac97));
1478 		ac97.private_data = ice;
1479 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1480 		if (err < 0)
1481 			printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1482 		else
1483 			return 0;
1484 	}
1485 	/* I2S mixer only */
1486 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1487 	return 0;
1488 }
1489 
1490 /*
1491  *
1492  */
1493 
1494 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1495 {
1496 	return (unsigned int)ice->eeprom.data[idx] | \
1497 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1498 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1499 }
1500 
1501 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1502 				 struct snd_info_buffer *buffer)
1503 {
1504 	struct snd_ice1712 *ice = entry->private_data;
1505 	unsigned int idx;
1506 
1507 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1508 	snd_iprintf(buffer, "EEPROM:\n");
1509 
1510 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1511 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1512 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1513 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1514 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1515 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1516 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1517 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1518 		    ice->eeprom.data[ICE_EEP2_I2S]);
1519 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1520 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1521 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1522 		    ice->eeprom.gpiodir);
1523 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1524 		    ice->eeprom.gpiomask);
1525 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1526 		    ice->eeprom.gpiostate);
1527 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1528 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1529 			    idx, ice->eeprom.data[idx]);
1530 
1531 	snd_iprintf(buffer, "\nRegisters:\n");
1532 
1533 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1534 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1535 	for (idx = 0x0; idx < 0x20 ; idx++)
1536 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1537 			    idx, inb(ice->port+idx));
1538 	for (idx = 0x0; idx < 0x30 ; idx++)
1539 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1540 			    idx, inb(ice->profi_port+idx));
1541 }
1542 
1543 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 *ice)
1544 {
1545 	struct snd_info_entry *entry;
1546 
1547 	if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1548 		snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1549 }
1550 
1551 /*
1552  *
1553  */
1554 
1555 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1556 				  struct snd_ctl_elem_info *uinfo)
1557 {
1558 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1559 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1560 	return 0;
1561 }
1562 
1563 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1564 				 struct snd_ctl_elem_value *ucontrol)
1565 {
1566 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1567 
1568 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1569 	return 0;
1570 }
1571 
1572 static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1573 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1574 	.name = "ICE1724 EEPROM",
1575 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1576 	.info = snd_vt1724_eeprom_info,
1577 	.get = snd_vt1724_eeprom_get
1578 };
1579 
1580 /*
1581  */
1582 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1583 				 struct snd_ctl_elem_info *uinfo)
1584 {
1585 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1586 	uinfo->count = 1;
1587 	return 0;
1588 }
1589 
1590 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1591 {
1592 	unsigned int val, rbits;
1593 
1594 	val = diga->status[0] & 0x03; /* professional, non-audio */
1595 	if (val & 0x01) {
1596 		/* professional */
1597 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1598 		    IEC958_AES0_PRO_EMPHASIS_5015)
1599 			val |= 1U << 3;
1600 		rbits = (diga->status[4] >> 3) & 0x0f;
1601 		if (rbits) {
1602 			switch (rbits) {
1603 			case 2: val |= 5 << 12; break; /* 96k */
1604 			case 3: val |= 6 << 12; break; /* 192k */
1605 			case 10: val |= 4 << 12; break; /* 88.2k */
1606 			case 11: val |= 7 << 12; break; /* 176.4k */
1607 			}
1608 		} else {
1609 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1610 			case IEC958_AES0_PRO_FS_44100:
1611 				break;
1612 			case IEC958_AES0_PRO_FS_32000:
1613 				val |= 3U << 12;
1614 				break;
1615 			default:
1616 				val |= 2U << 12;
1617 				break;
1618 			}
1619 		}
1620 	} else {
1621 		/* consumer */
1622 		val |= diga->status[1] & 0x04; /* copyright */
1623 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1624 		    IEC958_AES0_CON_EMPHASIS_5015)
1625 			val |= 1U << 3;
1626 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1627 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1628 	}
1629 	return val;
1630 }
1631 
1632 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1633 {
1634 	memset(diga->status, 0, sizeof(diga->status));
1635 	diga->status[0] = val & 0x03; /* professional, non-audio */
1636 	if (val & 0x01) {
1637 		/* professional */
1638 		if (val & (1U << 3))
1639 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1640 		switch ((val >> 12) & 0x7) {
1641 		case 0:
1642 			break;
1643 		case 2:
1644 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1645 			break;
1646 		default:
1647 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1648 			break;
1649 		}
1650 	} else {
1651 		/* consumer */
1652 		diga->status[0] |= val & (1U << 2); /* copyright */
1653 		if (val & (1U << 3))
1654 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1655 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1656 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1657 	}
1658 }
1659 
1660 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1661 					struct snd_ctl_elem_value *ucontrol)
1662 {
1663 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1664 	unsigned int val;
1665 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1666 	decode_spdif_bits(&ucontrol->value.iec958, val);
1667 	return 0;
1668 }
1669 
1670 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1671 					 struct snd_ctl_elem_value *ucontrol)
1672 {
1673 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1674 	unsigned int val, old;
1675 
1676 	val = encode_spdif_bits(&ucontrol->value.iec958);
1677 	spin_lock_irq(&ice->reg_lock);
1678 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1679 	if (val != old)
1680 		update_spdif_bits(ice, val);
1681 	spin_unlock_irq(&ice->reg_lock);
1682 	return val != old;
1683 }
1684 
1685 static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1686 {
1687 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1688 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1689 	.info =		snd_vt1724_spdif_info,
1690 	.get =		snd_vt1724_spdif_default_get,
1691 	.put =		snd_vt1724_spdif_default_put
1692 };
1693 
1694 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1695 				       struct snd_ctl_elem_value *ucontrol)
1696 {
1697 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1698 						     IEC958_AES0_PROFESSIONAL |
1699 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1700 						     IEC958_AES0_CON_EMPHASIS;
1701 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1702 						     IEC958_AES1_CON_CATEGORY;
1703 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1704 	return 0;
1705 }
1706 
1707 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1708 				       struct snd_ctl_elem_value *ucontrol)
1709 {
1710 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1711 						     IEC958_AES0_PROFESSIONAL |
1712 						     IEC958_AES0_PRO_FS |
1713 						     IEC958_AES0_PRO_EMPHASIS;
1714 	return 0;
1715 }
1716 
1717 static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1718 {
1719 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1720 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1721 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1722 	.info =		snd_vt1724_spdif_info,
1723 	.get =		snd_vt1724_spdif_maskc_get,
1724 };
1725 
1726 static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1727 {
1728 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1729 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1730 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1731 	.info =		snd_vt1724_spdif_info,
1732 	.get =		snd_vt1724_spdif_maskp_get,
1733 };
1734 
1735 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1736 
1737 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1738 				   struct snd_ctl_elem_value *ucontrol)
1739 {
1740 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1741 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1742 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1743 	return 0;
1744 }
1745 
1746 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1747 				   struct snd_ctl_elem_value *ucontrol)
1748 {
1749 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1750 	unsigned char old, val;
1751 
1752 	spin_lock_irq(&ice->reg_lock);
1753 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1754 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1755 	if (ucontrol->value.integer.value[0])
1756 		val |= VT1724_CFG_SPDIF_OUT_EN;
1757 	if (old != val)
1758 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1759 	spin_unlock_irq(&ice->reg_lock);
1760 	return old != val;
1761 }
1762 
1763 static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1764 {
1765 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1766 	/* FIXME: the following conflict with IEC958 Playback Route */
1767 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1768 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1769 	.info =		snd_vt1724_spdif_sw_info,
1770 	.get =		snd_vt1724_spdif_sw_get,
1771 	.put =		snd_vt1724_spdif_sw_put
1772 };
1773 
1774 
1775 #if 0 /* NOT USED YET */
1776 /*
1777  * GPIO access from extern
1778  */
1779 
1780 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1781 
1782 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1783 			struct snd_ctl_elem_value *ucontrol)
1784 {
1785 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1786 	int shift = kcontrol->private_value & 0xff;
1787 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1788 
1789 	snd_ice1712_save_gpio_status(ice);
1790 	ucontrol->value.integer.value[0] =
1791 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1792 	snd_ice1712_restore_gpio_status(ice);
1793 	return 0;
1794 }
1795 
1796 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1797 			 struct snd_ctl_elem_value *ucontrol)
1798 {
1799 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1800 	int shift = kcontrol->private_value & 0xff;
1801 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1802 	unsigned int val, nval;
1803 
1804 	if (kcontrol->private_value & (1 << 31))
1805 		return -EPERM;
1806 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1807 	snd_ice1712_save_gpio_status(ice);
1808 	val = snd_ice1712_gpio_read(ice);
1809 	nval |= val & ~(1 << shift);
1810 	if (val != nval)
1811 		snd_ice1712_gpio_write(ice, nval);
1812 	snd_ice1712_restore_gpio_status(ice);
1813 	return val != nval;
1814 }
1815 #endif /* NOT USED YET */
1816 
1817 /*
1818  *  rate
1819  */
1820 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1821 					      struct snd_ctl_elem_info *uinfo)
1822 {
1823 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1824 	int hw_rates_count = ice->hw_rates->count;
1825 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1826 	uinfo->count = 1;
1827 
1828 	uinfo->value.enumerated.items = hw_rates_count + ice->ext_clock_count;
1829 	/* upper limit - keep at top */
1830 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1831 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1832 	if (uinfo->value.enumerated.item >= hw_rates_count)
1833 		/* ext_clock items */
1834 		strcpy(uinfo->value.enumerated.name,
1835 				ice->ext_clock_names[
1836 				uinfo->value.enumerated.item - hw_rates_count]);
1837 	else
1838 		/* int clock items */
1839 		sprintf(uinfo->value.enumerated.name, "%d",
1840 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1841 	return 0;
1842 }
1843 
1844 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1845 					     struct snd_ctl_elem_value *ucontrol)
1846 {
1847 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1848 	unsigned int i, rate;
1849 
1850 	spin_lock_irq(&ice->reg_lock);
1851 	if (ice->is_spdif_master(ice)) {
1852 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1853 			ice->get_spdif_master_type(ice);
1854 	} else {
1855 		rate = ice->get_rate(ice);
1856 		ucontrol->value.enumerated.item[0] = 0;
1857 		for (i = 0; i < ice->hw_rates->count; i++) {
1858 			if (ice->hw_rates->list[i] == rate) {
1859 				ucontrol->value.enumerated.item[0] = i;
1860 				break;
1861 			}
1862 		}
1863 	}
1864 	spin_unlock_irq(&ice->reg_lock);
1865 	return 0;
1866 }
1867 
1868 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1869 {
1870 	/* standard external clock - only single type - SPDIF IN */
1871 	return 0;
1872 }
1873 
1874 /* setting clock to external - SPDIF */
1875 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1876 {
1877 	unsigned char oval;
1878 	unsigned char i2s_oval;
1879 	oval = inb(ICEMT1724(ice, RATE));
1880 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1881 	/* setting 256fs */
1882 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1883 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1884 	return 0;
1885 }
1886 
1887 
1888 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1889 					     struct snd_ctl_elem_value *ucontrol)
1890 {
1891 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1892 	unsigned int old_rate, new_rate;
1893 	unsigned int item = ucontrol->value.enumerated.item[0];
1894 	unsigned int first_ext_clock = ice->hw_rates->count;
1895 
1896 	if (item >  first_ext_clock + ice->ext_clock_count - 1)
1897 		return -EINVAL;
1898 
1899 	/* if rate = 0 => external clock */
1900 	spin_lock_irq(&ice->reg_lock);
1901 	if (ice->is_spdif_master(ice))
1902 		old_rate = 0;
1903 	else
1904 		old_rate = ice->get_rate(ice);
1905 	if (item >= first_ext_clock) {
1906 		/* switching to external clock */
1907 		ice->set_spdif_clock(ice, item - first_ext_clock);
1908 		new_rate = 0;
1909 	} else {
1910 		/* internal on-card clock */
1911 		new_rate = ice->hw_rates->list[item];
1912 		ice->pro_rate_default = new_rate;
1913 		spin_unlock_irq(&ice->reg_lock);
1914 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1915 		spin_lock_irq(&ice->reg_lock);
1916 	}
1917 	spin_unlock_irq(&ice->reg_lock);
1918 
1919 	/* the first switch to the ext. clock mode? */
1920 	if (old_rate != new_rate && !new_rate) {
1921 		/* notify akm chips as well */
1922 		unsigned int i;
1923 		if (ice->gpio.set_pro_rate)
1924 			ice->gpio.set_pro_rate(ice, 0);
1925 		for (i = 0; i < ice->akm_codecs; i++) {
1926 			if (ice->akm[i].ops.set_rate_val)
1927 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1928 		}
1929 	}
1930 	return old_rate != new_rate;
1931 }
1932 
1933 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1934 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1935 	.name = "Multi Track Internal Clock",
1936 	.info = snd_vt1724_pro_internal_clock_info,
1937 	.get = snd_vt1724_pro_internal_clock_get,
1938 	.put = snd_vt1724_pro_internal_clock_put
1939 };
1940 
1941 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1942 
1943 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1944 					   struct snd_ctl_elem_value *ucontrol)
1945 {
1946 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1947 	return 0;
1948 }
1949 
1950 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1951 					   struct snd_ctl_elem_value *ucontrol)
1952 {
1953 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1954 	int change = 0, nval;
1955 
1956 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1957 	spin_lock_irq(&ice->reg_lock);
1958 	change = PRO_RATE_LOCKED != nval;
1959 	PRO_RATE_LOCKED = nval;
1960 	spin_unlock_irq(&ice->reg_lock);
1961 	return change;
1962 }
1963 
1964 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1965 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1966 	.name = "Multi Track Rate Locking",
1967 	.info = snd_vt1724_pro_rate_locking_info,
1968 	.get = snd_vt1724_pro_rate_locking_get,
1969 	.put = snd_vt1724_pro_rate_locking_put
1970 };
1971 
1972 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1973 
1974 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1975 					 struct snd_ctl_elem_value *ucontrol)
1976 {
1977 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1978 	return 0;
1979 }
1980 
1981 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1982 					 struct snd_ctl_elem_value *ucontrol)
1983 {
1984 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1985 	int change = 0, nval;
1986 
1987 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1988 	spin_lock_irq(&ice->reg_lock);
1989 	change = PRO_RATE_RESET != nval;
1990 	PRO_RATE_RESET = nval;
1991 	spin_unlock_irq(&ice->reg_lock);
1992 	return change;
1993 }
1994 
1995 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1996 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1997 	.name = "Multi Track Rate Reset",
1998 	.info = snd_vt1724_pro_rate_reset_info,
1999 	.get = snd_vt1724_pro_rate_reset_get,
2000 	.put = snd_vt1724_pro_rate_reset_put
2001 };
2002 
2003 
2004 /*
2005  * routing
2006  */
2007 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2008 				     struct snd_ctl_elem_info *uinfo)
2009 {
2010 	static char *texts[] = {
2011 		"PCM Out", /* 0 */
2012 		"H/W In 0", "H/W In 1", /* 1-2 */
2013 		"IEC958 In L", "IEC958 In R", /* 3-4 */
2014 	};
2015 
2016 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2017 	uinfo->count = 1;
2018 	uinfo->value.enumerated.items = 5;
2019 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2020 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2021 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2022 	return 0;
2023 }
2024 
2025 static inline int analog_route_shift(int idx)
2026 {
2027 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2028 }
2029 
2030 static inline int digital_route_shift(int idx)
2031 {
2032 	return idx * 3;
2033 }
2034 
2035 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2036 {
2037 	unsigned long val;
2038 	unsigned char eitem;
2039 	static const unsigned char xlate[8] = {
2040 		0, 255, 1, 2, 255, 255, 3, 4,
2041 	};
2042 
2043 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2044 	val >>= shift;
2045 	val &= 7; /* we now have 3 bits per output */
2046 	eitem = xlate[val];
2047 	if (eitem == 255) {
2048 		snd_BUG();
2049 		return 0;
2050 	}
2051 	return eitem;
2052 }
2053 
2054 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2055 								int shift)
2056 {
2057 	unsigned int old_val, nval;
2058 	int change;
2059 	static const unsigned char xroute[8] = {
2060 		0, /* PCM */
2061 		2, /* PSDIN0 Left */
2062 		3, /* PSDIN0 Right */
2063 		6, /* SPDIN Left */
2064 		7, /* SPDIN Right */
2065 	};
2066 
2067 	nval = xroute[val % 5];
2068 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2069 	val &= ~(0x07 << shift);
2070 	val |= nval << shift;
2071 	change = val != old_val;
2072 	if (change)
2073 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2074 	return change;
2075 }
2076 
2077 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2078 					   struct snd_ctl_elem_value *ucontrol)
2079 {
2080 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2081 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2082 	ucontrol->value.enumerated.item[0] =
2083 		snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2084 	return 0;
2085 }
2086 
2087 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2088 					   struct snd_ctl_elem_value *ucontrol)
2089 {
2090 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2091 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2092 	return snd_ice1724_put_route_val(ice,
2093 					 ucontrol->value.enumerated.item[0],
2094 					 analog_route_shift(idx));
2095 }
2096 
2097 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2098 					  struct snd_ctl_elem_value *ucontrol)
2099 {
2100 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2101 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2102 	ucontrol->value.enumerated.item[0] =
2103 		snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2104 	return 0;
2105 }
2106 
2107 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2108 					  struct snd_ctl_elem_value *ucontrol)
2109 {
2110 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2111 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2112 	return snd_ice1724_put_route_val(ice,
2113 					 ucontrol->value.enumerated.item[0],
2114 					 digital_route_shift(idx));
2115 }
2116 
2117 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata =
2118 {
2119 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2120 	.name = "H/W Playback Route",
2121 	.info = snd_vt1724_pro_route_info,
2122 	.get = snd_vt1724_pro_route_analog_get,
2123 	.put = snd_vt1724_pro_route_analog_put,
2124 };
2125 
2126 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
2127 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2128 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2129 	.info = snd_vt1724_pro_route_info,
2130 	.get = snd_vt1724_pro_route_spdif_get,
2131 	.put = snd_vt1724_pro_route_spdif_put,
2132 	.count = 2,
2133 };
2134 
2135 
2136 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2137 				    struct snd_ctl_elem_info *uinfo)
2138 {
2139 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2140 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2141 	uinfo->value.integer.min = 0;
2142 	uinfo->value.integer.max = 255;
2143 	return 0;
2144 }
2145 
2146 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2147 				   struct snd_ctl_elem_value *ucontrol)
2148 {
2149 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2150 	int idx;
2151 
2152 	spin_lock_irq(&ice->reg_lock);
2153 	for (idx = 0; idx < 22; idx++) {
2154 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2155 		ucontrol->value.integer.value[idx] =
2156 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2157 	}
2158 	spin_unlock_irq(&ice->reg_lock);
2159 	return 0;
2160 }
2161 
2162 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
2163 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
2164 	.name = "Multi Track Peak",
2165 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2166 	.info = snd_vt1724_pro_peak_info,
2167 	.get = snd_vt1724_pro_peak_get
2168 };
2169 
2170 /*
2171  *
2172  */
2173 
2174 static struct snd_ice1712_card_info no_matched __devinitdata;
2175 
2176 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
2177 	snd_vt1724_revo_cards,
2178 	snd_vt1724_amp_cards,
2179 	snd_vt1724_aureon_cards,
2180 	snd_vt1720_mobo_cards,
2181 	snd_vt1720_pontis_cards,
2182 	snd_vt1724_prodigy_hifi_cards,
2183 	snd_vt1724_prodigy192_cards,
2184 	snd_vt1724_juli_cards,
2185 	snd_vt1724_maya44_cards,
2186 	snd_vt1724_phase_cards,
2187 	snd_vt1724_wtm_cards,
2188 	snd_vt1724_se_cards,
2189 	snd_vt1724_qtet_cards,
2190 	NULL,
2191 };
2192 
2193 
2194 /*
2195  */
2196 
2197 static void wait_i2c_busy(struct snd_ice1712 *ice)
2198 {
2199 	int t = 0x10000;
2200 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2201 		;
2202 	if (t == -1)
2203 		printk(KERN_ERR "ice1724: i2c busy timeout\n");
2204 }
2205 
2206 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2207 				  unsigned char dev, unsigned char addr)
2208 {
2209 	unsigned char val;
2210 
2211 	mutex_lock(&ice->i2c_mutex);
2212 	wait_i2c_busy(ice);
2213 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2214 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2215 	wait_i2c_busy(ice);
2216 	val = inb(ICEREG1724(ice, I2C_DATA));
2217 	mutex_unlock(&ice->i2c_mutex);
2218 	/*
2219 	printk(KERN_DEBUG "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2220 	*/
2221 	return val;
2222 }
2223 
2224 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2225 			  unsigned char dev, unsigned char addr, unsigned char data)
2226 {
2227 	mutex_lock(&ice->i2c_mutex);
2228 	wait_i2c_busy(ice);
2229 	/*
2230 	printk(KERN_DEBUG "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2231 	*/
2232 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2233 	outb(data, ICEREG1724(ice, I2C_DATA));
2234 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2235 	wait_i2c_busy(ice);
2236 	mutex_unlock(&ice->i2c_mutex);
2237 }
2238 
2239 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2240 					    const char *modelname)
2241 {
2242 	const int dev = 0xa0;		/* EEPROM device address */
2243 	unsigned int i, size;
2244 	struct snd_ice1712_card_info * const *tbl, *c;
2245 
2246 	if (!modelname || !*modelname) {
2247 		ice->eeprom.subvendor = 0;
2248 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2249 			ice->eeprom.subvendor =
2250 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2251 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2252 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2253 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2254 		if (ice->eeprom.subvendor == 0 ||
2255 		    ice->eeprom.subvendor == (unsigned int)-1) {
2256 			/* invalid subvendor from EEPROM, try the PCI
2257 			 * subststem ID instead
2258 			 */
2259 			u16 vendor, device;
2260 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2261 					     &vendor);
2262 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2263 			ice->eeprom.subvendor =
2264 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2265 			if (ice->eeprom.subvendor == 0 ||
2266 			    ice->eeprom.subvendor == (unsigned int)-1) {
2267 				printk(KERN_ERR "ice1724: No valid ID is found\n");
2268 				return -ENXIO;
2269 			}
2270 		}
2271 	}
2272 	for (tbl = card_tables; *tbl; tbl++) {
2273 		for (c = *tbl; c->subvendor; c++) {
2274 			if (modelname && c->model &&
2275 			    !strcmp(modelname, c->model)) {
2276 				printk(KERN_INFO "ice1724: Using board model %s\n",
2277 				       c->name);
2278 				ice->eeprom.subvendor = c->subvendor;
2279 			} else if (c->subvendor != ice->eeprom.subvendor)
2280 				continue;
2281 			if (!c->eeprom_size || !c->eeprom_data)
2282 				goto found;
2283 			/* if the EEPROM is given by the driver, use it */
2284 			snd_printdd("using the defined eeprom..\n");
2285 			ice->eeprom.version = 2;
2286 			ice->eeprom.size = c->eeprom_size + 6;
2287 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2288 			goto read_skipped;
2289 		}
2290 	}
2291 	printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2292 	       ice->eeprom.subvendor);
2293 
2294  found:
2295 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2296 	if (ice->eeprom.size < 6)
2297 		ice->eeprom.size = 32;
2298 	else if (ice->eeprom.size > 32) {
2299 		printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2300 		       ice->eeprom.size);
2301 		return -EIO;
2302 	}
2303 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2304 	if (ice->eeprom.version != 2)
2305 		printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2306 		       ice->eeprom.version);
2307 	size = ice->eeprom.size - 6;
2308 	for (i = 0; i < size; i++)
2309 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2310 
2311  read_skipped:
2312 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2313 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2314 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2315 
2316 	return 0;
2317 }
2318 
2319 
2320 
2321 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2322 {
2323 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2324 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2325 	msleep(10);
2326 	outb(0, ICEREG1724(ice, CONTROL));
2327 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2328 	msleep(10);
2329 }
2330 
2331 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2332 {
2333 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2334 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2335 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2336 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2337 
2338 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2339 	ice->gpio.direction = ice->eeprom.gpiodir;
2340 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2341 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2342 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2343 
2344 	outb(0, ICEREG1724(ice, POWERDOWN));
2345 
2346 	/* MPU_RX and TX irq masks are cleared later dynamically */
2347 	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2348 
2349 	/* don't handle FIFO overrun/underruns (just yet),
2350 	 * since they cause machine lockups
2351 	 */
2352 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2353 
2354 	return 0;
2355 }
2356 
2357 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2358 {
2359 	int err;
2360 	struct snd_kcontrol *kctl;
2361 
2362 	if (snd_BUG_ON(!ice->pcm))
2363 		return -EIO;
2364 
2365 	if (!ice->own_routing) {
2366 		err = snd_ctl_add(ice->card,
2367 			snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2368 		if (err < 0)
2369 			return err;
2370 	}
2371 
2372 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2373 	if (err < 0)
2374 		return err;
2375 
2376 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2377 	if (err < 0)
2378 		return err;
2379 	kctl->id.device = ice->pcm->device;
2380 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2381 	if (err < 0)
2382 		return err;
2383 	kctl->id.device = ice->pcm->device;
2384 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2385 	if (err < 0)
2386 		return err;
2387 	kctl->id.device = ice->pcm->device;
2388 #if 0 /* use default only */
2389 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2390 	if (err < 0)
2391 		return err;
2392 	kctl->id.device = ice->pcm->device;
2393 	ice->spdif.stream_ctl = kctl;
2394 #endif
2395 	return 0;
2396 }
2397 
2398 
2399 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2400 {
2401 	int err;
2402 
2403 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2404 	if (err < 0)
2405 		return err;
2406 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2407 	if (err < 0)
2408 		return err;
2409 
2410 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2411 	if (err < 0)
2412 		return err;
2413 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2414 	if (err < 0)
2415 		return err;
2416 
2417 	if (!ice->own_routing && ice->num_total_dacs > 0) {
2418 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2419 		tmp.count = ice->num_total_dacs;
2420 		if (ice->vt1720 && tmp.count > 2)
2421 			tmp.count = 2;
2422 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2423 		if (err < 0)
2424 			return err;
2425 	}
2426 
2427 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2428 	if (err < 0)
2429 		return err;
2430 
2431 	return 0;
2432 }
2433 
2434 static int snd_vt1724_free(struct snd_ice1712 *ice)
2435 {
2436 	if (!ice->port)
2437 		goto __hw_end;
2438 	/* mask all interrupts */
2439 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2440 	outb(0xff, ICEREG1724(ice, IRQMASK));
2441 	/* --- */
2442 __hw_end:
2443 	if (ice->irq >= 0)
2444 		free_irq(ice->irq, ice);
2445 	pci_release_regions(ice->pci);
2446 	snd_ice1712_akm4xxx_free(ice);
2447 	pci_disable_device(ice->pci);
2448 	kfree(ice->spec);
2449 	kfree(ice);
2450 	return 0;
2451 }
2452 
2453 static int snd_vt1724_dev_free(struct snd_device *device)
2454 {
2455 	struct snd_ice1712 *ice = device->device_data;
2456 	return snd_vt1724_free(ice);
2457 }
2458 
2459 static int __devinit snd_vt1724_create(struct snd_card *card,
2460 				       struct pci_dev *pci,
2461 				       const char *modelname,
2462 				       struct snd_ice1712 **r_ice1712)
2463 {
2464 	struct snd_ice1712 *ice;
2465 	int err;
2466 	static struct snd_device_ops ops = {
2467 		.dev_free =	snd_vt1724_dev_free,
2468 	};
2469 
2470 	*r_ice1712 = NULL;
2471 
2472 	/* enable PCI device */
2473 	err = pci_enable_device(pci);
2474 	if (err < 0)
2475 		return err;
2476 
2477 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2478 	if (ice == NULL) {
2479 		pci_disable_device(pci);
2480 		return -ENOMEM;
2481 	}
2482 	ice->vt1724 = 1;
2483 	spin_lock_init(&ice->reg_lock);
2484 	mutex_init(&ice->gpio_mutex);
2485 	mutex_init(&ice->open_mutex);
2486 	mutex_init(&ice->i2c_mutex);
2487 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2488 	ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2489 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2490 	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2491 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2492 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2493 	ice->card = card;
2494 	ice->pci = pci;
2495 	ice->irq = -1;
2496 	pci_set_master(pci);
2497 	snd_vt1724_proc_init(ice);
2498 	synchronize_irq(pci->irq);
2499 
2500 	card->private_data = ice;
2501 
2502 	err = pci_request_regions(pci, "ICE1724");
2503 	if (err < 0) {
2504 		kfree(ice);
2505 		pci_disable_device(pci);
2506 		return err;
2507 	}
2508 	ice->port = pci_resource_start(pci, 0);
2509 	ice->profi_port = pci_resource_start(pci, 1);
2510 
2511 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2512 			IRQF_SHARED, "ICE1724", ice)) {
2513 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2514 		snd_vt1724_free(ice);
2515 		return -EIO;
2516 	}
2517 
2518 	ice->irq = pci->irq;
2519 
2520 	snd_vt1724_chip_reset(ice);
2521 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2522 		snd_vt1724_free(ice);
2523 		return -EIO;
2524 	}
2525 	if (snd_vt1724_chip_init(ice) < 0) {
2526 		snd_vt1724_free(ice);
2527 		return -EIO;
2528 	}
2529 
2530 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2531 	if (err < 0) {
2532 		snd_vt1724_free(ice);
2533 		return err;
2534 	}
2535 
2536 	snd_card_set_dev(card, &pci->dev);
2537 
2538 	*r_ice1712 = ice;
2539 	return 0;
2540 }
2541 
2542 
2543 /*
2544  *
2545  * Registration
2546  *
2547  */
2548 
2549 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2550 				      const struct pci_device_id *pci_id)
2551 {
2552 	static int dev;
2553 	struct snd_card *card;
2554 	struct snd_ice1712 *ice;
2555 	int pcm_dev = 0, err;
2556 	struct snd_ice1712_card_info * const *tbl, *c;
2557 
2558 	if (dev >= SNDRV_CARDS)
2559 		return -ENODEV;
2560 	if (!enable[dev]) {
2561 		dev++;
2562 		return -ENOENT;
2563 	}
2564 
2565 	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2566 	if (err < 0)
2567 		return err;
2568 
2569 	strcpy(card->driver, "ICE1724");
2570 	strcpy(card->shortname, "ICEnsemble ICE1724");
2571 
2572 	err = snd_vt1724_create(card, pci, model[dev], &ice);
2573 	if (err < 0) {
2574 		snd_card_free(card);
2575 		return err;
2576 	}
2577 
2578 	/* field init before calling chip_init */
2579 	ice->ext_clock_count = 0;
2580 
2581 	for (tbl = card_tables; *tbl; tbl++) {
2582 		for (c = *tbl; c->subvendor; c++) {
2583 			if (c->subvendor == ice->eeprom.subvendor) {
2584 				strcpy(card->shortname, c->name);
2585 				if (c->driver) /* specific driver? */
2586 					strcpy(card->driver, c->driver);
2587 				if (c->chip_init) {
2588 					err = c->chip_init(ice);
2589 					if (err < 0) {
2590 						snd_card_free(card);
2591 						return err;
2592 					}
2593 				}
2594 				goto __found;
2595 			}
2596 		}
2597 	}
2598 	c = &no_matched;
2599 __found:
2600 	/*
2601 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2602 	* ICE1712 has only one for both (mixed up).
2603 	*
2604 	* Confusingly the analog PCM is named "professional" here because it
2605 	* was called so in ice1712 driver, and vt1724 driver is derived from
2606 	* ice1712 driver.
2607 	*/
2608 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2609 	if (!ice->is_spdif_master)
2610 		ice->is_spdif_master = stdclock_is_spdif_master;
2611 	if (!ice->get_rate)
2612 		ice->get_rate = stdclock_get_rate;
2613 	if (!ice->set_rate)
2614 		ice->set_rate = stdclock_set_rate;
2615 	if (!ice->set_mclk)
2616 		ice->set_mclk = stdclock_set_mclk;
2617 	if (!ice->set_spdif_clock)
2618 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2619 	if (!ice->get_spdif_master_type)
2620 		ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2621 	if (!ice->ext_clock_names)
2622 		ice->ext_clock_names = ext_clock_names;
2623 	if (!ice->ext_clock_count)
2624 		ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2625 
2626 	if (!ice->hw_rates)
2627 		set_std_hw_rates(ice);
2628 
2629 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2630 	if (err < 0) {
2631 		snd_card_free(card);
2632 		return err;
2633 	}
2634 
2635 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2636 	if (err < 0) {
2637 		snd_card_free(card);
2638 		return err;
2639 	}
2640 
2641 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2642 	if (err < 0) {
2643 		snd_card_free(card);
2644 		return err;
2645 	}
2646 
2647 	err = snd_vt1724_ac97_mixer(ice);
2648 	if (err < 0) {
2649 		snd_card_free(card);
2650 		return err;
2651 	}
2652 
2653 	err = snd_vt1724_build_controls(ice);
2654 	if (err < 0) {
2655 		snd_card_free(card);
2656 		return err;
2657 	}
2658 
2659 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2660 		err = snd_vt1724_spdif_build_controls(ice);
2661 		if (err < 0) {
2662 			snd_card_free(card);
2663 			return err;
2664 		}
2665 	}
2666 
2667 	if (c->build_controls) {
2668 		err = c->build_controls(ice);
2669 		if (err < 0) {
2670 			snd_card_free(card);
2671 			return err;
2672 		}
2673 	}
2674 
2675 	if (!c->no_mpu401) {
2676 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2677 			struct snd_rawmidi *rmidi;
2678 
2679 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2680 			if (err < 0) {
2681 				snd_card_free(card);
2682 				return err;
2683 			}
2684 			ice->rmidi[0] = rmidi;
2685 			rmidi->private_data = ice;
2686 			strcpy(rmidi->name, "ICE1724 MIDI");
2687 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2688 					    SNDRV_RAWMIDI_INFO_INPUT |
2689 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2690 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2691 					    &vt1724_midi_output_ops);
2692 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2693 					    &vt1724_midi_input_ops);
2694 
2695 			/* set watermarks */
2696 			outb(VT1724_MPU_RX_FIFO | 0x1,
2697 			     ICEREG1724(ice, MPU_FIFO_WM));
2698 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2699 			/* set UART mode */
2700 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2701 		}
2702 	}
2703 
2704 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2705 		card->shortname, ice->port, ice->irq);
2706 
2707 	err = snd_card_register(card);
2708 	if (err < 0) {
2709 		snd_card_free(card);
2710 		return err;
2711 	}
2712 	pci_set_drvdata(pci, card);
2713 	dev++;
2714 	return 0;
2715 }
2716 
2717 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2718 {
2719 	snd_card_free(pci_get_drvdata(pci));
2720 	pci_set_drvdata(pci, NULL);
2721 }
2722 
2723 #ifdef CONFIG_PM
2724 static int snd_vt1724_suspend(struct pci_dev *pci, pm_message_t state)
2725 {
2726 	struct snd_card *card = pci_get_drvdata(pci);
2727 	struct snd_ice1712 *ice = card->private_data;
2728 
2729 	if (!ice->pm_suspend_enabled)
2730 		return 0;
2731 
2732 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2733 
2734 	snd_pcm_suspend_all(ice->pcm);
2735 	snd_pcm_suspend_all(ice->pcm_pro);
2736 	snd_pcm_suspend_all(ice->pcm_ds);
2737 	snd_ac97_suspend(ice->ac97);
2738 
2739 	spin_lock_irq(&ice->reg_lock);
2740 	ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2741 	ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2742 	ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2743 	ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2744 	spin_unlock_irq(&ice->reg_lock);
2745 
2746 	if (ice->pm_suspend)
2747 		ice->pm_suspend(ice);
2748 
2749 	pci_disable_device(pci);
2750 	pci_save_state(pci);
2751 	pci_set_power_state(pci, pci_choose_state(pci, state));
2752 	return 0;
2753 }
2754 
2755 static int snd_vt1724_resume(struct pci_dev *pci)
2756 {
2757 	struct snd_card *card = pci_get_drvdata(pci);
2758 	struct snd_ice1712 *ice = card->private_data;
2759 
2760 	if (!ice->pm_suspend_enabled)
2761 		return 0;
2762 
2763 	pci_set_power_state(pci, PCI_D0);
2764 	pci_restore_state(pci);
2765 
2766 	if (pci_enable_device(pci) < 0) {
2767 		snd_card_disconnect(card);
2768 		return -EIO;
2769 	}
2770 
2771 	pci_set_master(pci);
2772 
2773 	snd_vt1724_chip_reset(ice);
2774 
2775 	if (snd_vt1724_chip_init(ice) < 0) {
2776 		snd_card_disconnect(card);
2777 		return -EIO;
2778 	}
2779 
2780 	if (ice->pm_resume)
2781 		ice->pm_resume(ice);
2782 
2783 	if (ice->pm_saved_is_spdif_master) {
2784 		/* switching to external clock via SPDIF */
2785 		ice->set_spdif_clock(ice, 0);
2786 	} else {
2787 		/* internal on-card clock */
2788 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
2789 	}
2790 
2791 	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2792 
2793 	outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2794 	outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2795 
2796 	if (ice->ac97)
2797 		snd_ac97_resume(ice->ac97);
2798 
2799 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2800 	return 0;
2801 }
2802 #endif
2803 
2804 static struct pci_driver driver = {
2805 	.name = "ICE1724",
2806 	.id_table = snd_vt1724_ids,
2807 	.probe = snd_vt1724_probe,
2808 	.remove = __devexit_p(snd_vt1724_remove),
2809 #ifdef CONFIG_PM
2810 	.suspend = snd_vt1724_suspend,
2811 	.resume = snd_vt1724_resume,
2812 #endif
2813 };
2814 
2815 static int __init alsa_card_ice1724_init(void)
2816 {
2817 	return pci_register_driver(&driver);
2818 }
2819 
2820 static void __exit alsa_card_ice1724_exit(void)
2821 {
2822 	pci_unregister_driver(&driver);
2823 }
2824 
2825 module_init(alsa_card_ice1724_init)
2826 module_exit(alsa_card_ice1724_exit)
2827