xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision c4e78957)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
4  *                   VIA VT1720 (Envy24PT)
5  *
6  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
7  *                    2002 James Stafford <jstafford@ampltd.com>
8  *                    2003 Takashi Iwai <tiwai@suse.de>
9  */
10 
11 #include <linux/delay.h>
12 #include <linux/interrupt.h>
13 #include <linux/init.h>
14 #include <linux/pci.h>
15 #include <linux/slab.h>
16 #include <linux/module.h>
17 #include <linux/mutex.h>
18 #include <sound/core.h>
19 #include <sound/info.h>
20 #include <sound/rawmidi.h>
21 #include <sound/initval.h>
22 
23 #include <sound/asoundef.h>
24 
25 #include "ice1712.h"
26 #include "envy24ht.h"
27 
28 /* lowlevel routines */
29 #include "amp.h"
30 #include "revo.h"
31 #include "aureon.h"
32 #include "vt1720_mobo.h"
33 #include "pontis.h"
34 #include "prodigy192.h"
35 #include "prodigy_hifi.h"
36 #include "juli.h"
37 #include "maya44.h"
38 #include "phase.h"
39 #include "wtm.h"
40 #include "se.h"
41 #include "quartet.h"
42 #include "psc724.h"
43 
44 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
45 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
46 MODULE_LICENSE("GPL");
47 
48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
50 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
51 static char *model[SNDRV_CARDS];
52 
53 module_param_array(index, int, NULL, 0444);
54 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
55 module_param_array(id, charp, NULL, 0444);
56 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
57 module_param_array(enable, bool, NULL, 0444);
58 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
59 module_param_array(model, charp, NULL, 0444);
60 MODULE_PARM_DESC(model, "Use the given board model.");
61 
62 
63 /* Both VT1720 and VT1724 have the same PCI IDs */
64 static const struct pci_device_id snd_vt1724_ids[] = {
65 	{ PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 },
66 	{ 0, }
67 };
68 
69 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
70 
71 
72 static int PRO_RATE_LOCKED;
73 static int PRO_RATE_RESET = 1;
74 static unsigned int PRO_RATE_DEFAULT = 44100;
75 
76 static const char * const ext_clock_names[1] = { "IEC958 In" };
77 
78 /*
79  *  Basic I/O
80  */
81 
82 /*
83  *  default rates, default clock routines
84  */
85 
86 /* check whether the clock mode is spdif-in */
87 static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
88 {
89 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
90 }
91 
92 /*
93  * locking rate makes sense only for internal clock mode
94  */
95 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
96 {
97 	return (!ice->is_spdif_master(ice)) && PRO_RATE_LOCKED;
98 }
99 
100 /*
101  * ac97 section
102  */
103 
104 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
105 {
106 	unsigned char old_cmd;
107 	int tm;
108 	for (tm = 0; tm < 0x10000; tm++) {
109 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
110 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
111 			continue;
112 		if (!(old_cmd & VT1724_AC97_READY))
113 			continue;
114 		return old_cmd;
115 	}
116 	dev_dbg(ice->card->dev, "snd_vt1724_ac97_ready: timeout\n");
117 	return old_cmd;
118 }
119 
120 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
121 {
122 	int tm;
123 	for (tm = 0; tm < 0x10000; tm++)
124 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
125 			return 0;
126 	dev_dbg(ice->card->dev, "snd_vt1724_ac97_wait_bit: timeout\n");
127 	return -EIO;
128 }
129 
130 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
131 				  unsigned short reg,
132 				  unsigned short val)
133 {
134 	struct snd_ice1712 *ice = ac97->private_data;
135 	unsigned char old_cmd;
136 
137 	old_cmd = snd_vt1724_ac97_ready(ice);
138 	old_cmd &= ~VT1724_AC97_ID_MASK;
139 	old_cmd |= ac97->num;
140 	outb(reg, ICEMT1724(ice, AC97_INDEX));
141 	outw(val, ICEMT1724(ice, AC97_DATA));
142 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
143 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
144 }
145 
146 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
147 {
148 	struct snd_ice1712 *ice = ac97->private_data;
149 	unsigned char old_cmd;
150 
151 	old_cmd = snd_vt1724_ac97_ready(ice);
152 	old_cmd &= ~VT1724_AC97_ID_MASK;
153 	old_cmd |= ac97->num;
154 	outb(reg, ICEMT1724(ice, AC97_INDEX));
155 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
156 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
157 		return ~0;
158 	return inw(ICEMT1724(ice, AC97_DATA));
159 }
160 
161 
162 /*
163  * GPIO operations
164  */
165 
166 /* set gpio direction 0 = read, 1 = write */
167 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
168 {
169 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
170 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
171 }
172 
173 /* get gpio direction 0 = read, 1 = write */
174 static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
175 {
176 	return inl(ICEREG1724(ice, GPIO_DIRECTION));
177 }
178 
179 /* set the gpio mask (0 = writable) */
180 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
181 {
182 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
183 	if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
184 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
185 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
186 }
187 
188 static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
189 {
190 	unsigned int mask;
191 	if (!ice->vt1720)
192 		mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
193 	else
194 		mask = 0;
195 	mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
196 	return mask;
197 }
198 
199 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
200 {
201 	outw(data, ICEREG1724(ice, GPIO_DATA));
202 	if (!ice->vt1720)
203 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
204 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
205 }
206 
207 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
208 {
209 	unsigned int data;
210 	if (!ice->vt1720)
211 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
212 	else
213 		data = 0;
214 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
215 	return data;
216 }
217 
218 /*
219  * MIDI
220  */
221 
222 static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
223 {
224 	unsigned int count;
225 
226 	for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
227 		inb(ICEREG1724(ice, MPU_DATA));
228 }
229 
230 static inline struct snd_rawmidi_substream *
231 get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
232 {
233 	return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
234 				struct snd_rawmidi_substream, list);
235 }
236 
237 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
238 
239 static void vt1724_midi_write(struct snd_ice1712 *ice)
240 {
241 	struct snd_rawmidi_substream *s;
242 	int count, i;
243 	u8 buffer[32];
244 
245 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
246 	count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
247 	if (count > 0) {
248 		count = snd_rawmidi_transmit(s, buffer, count);
249 		for (i = 0; i < count; ++i)
250 			outb(buffer[i], ICEREG1724(ice, MPU_DATA));
251 	}
252 	/* mask irq when all bytes have been transmitted.
253 	 * enabled again in output_trigger when the new data comes in.
254 	 */
255 	enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
256 			!snd_rawmidi_transmit_empty(s));
257 }
258 
259 static void vt1724_midi_read(struct snd_ice1712 *ice)
260 {
261 	struct snd_rawmidi_substream *s;
262 	int count, i;
263 	u8 buffer[32];
264 
265 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
266 	count = inb(ICEREG1724(ice, MPU_RXFIFO));
267 	if (count > 0) {
268 		count = min(count, 32);
269 		for (i = 0; i < count; ++i)
270 			buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
271 		snd_rawmidi_receive(s, buffer, count);
272 	}
273 }
274 
275 /* call with ice->reg_lock */
276 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
277 {
278 	u8 mask = inb(ICEREG1724(ice, IRQMASK));
279 	if (enable)
280 		mask &= ~flag;
281 	else
282 		mask |= flag;
283 	outb(mask, ICEREG1724(ice, IRQMASK));
284 }
285 
286 static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
287 				   u8 flag, int enable)
288 {
289 	struct snd_ice1712 *ice = substream->rmidi->private_data;
290 
291 	spin_lock_irq(&ice->reg_lock);
292 	enable_midi_irq(ice, flag, enable);
293 	spin_unlock_irq(&ice->reg_lock);
294 }
295 
296 static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
297 {
298 	return 0;
299 }
300 
301 static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
302 {
303 	return 0;
304 }
305 
306 static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
307 {
308 	struct snd_ice1712 *ice = s->rmidi->private_data;
309 	unsigned long flags;
310 
311 	spin_lock_irqsave(&ice->reg_lock, flags);
312 	if (up) {
313 		ice->midi_output = 1;
314 		vt1724_midi_write(ice);
315 	} else {
316 		ice->midi_output = 0;
317 		enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
318 	}
319 	spin_unlock_irqrestore(&ice->reg_lock, flags);
320 }
321 
322 static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
323 {
324 	struct snd_ice1712 *ice = s->rmidi->private_data;
325 	unsigned long timeout;
326 
327 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
328 	/* 32 bytes should be transmitted in less than about 12 ms */
329 	timeout = jiffies + msecs_to_jiffies(15);
330 	do {
331 		if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
332 			break;
333 		schedule_timeout_uninterruptible(1);
334 	} while (time_after(timeout, jiffies));
335 }
336 
337 static const struct snd_rawmidi_ops vt1724_midi_output_ops = {
338 	.open = vt1724_midi_output_open,
339 	.close = vt1724_midi_output_close,
340 	.trigger = vt1724_midi_output_trigger,
341 	.drain = vt1724_midi_output_drain,
342 };
343 
344 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
345 {
346 	vt1724_midi_clear_rx(s->rmidi->private_data);
347 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
348 	return 0;
349 }
350 
351 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
352 {
353 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
354 	return 0;
355 }
356 
357 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
358 {
359 	struct snd_ice1712 *ice = s->rmidi->private_data;
360 	unsigned long flags;
361 
362 	spin_lock_irqsave(&ice->reg_lock, flags);
363 	if (up) {
364 		ice->midi_input = 1;
365 		vt1724_midi_read(ice);
366 	} else {
367 		ice->midi_input = 0;
368 	}
369 	spin_unlock_irqrestore(&ice->reg_lock, flags);
370 }
371 
372 static const struct snd_rawmidi_ops vt1724_midi_input_ops = {
373 	.open = vt1724_midi_input_open,
374 	.close = vt1724_midi_input_close,
375 	.trigger = vt1724_midi_input_trigger,
376 };
377 
378 
379 /*
380  *  Interrupt handler
381  */
382 
383 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
384 {
385 	struct snd_ice1712 *ice = dev_id;
386 	unsigned char status;
387 	unsigned char status_mask =
388 		VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
389 	int handled = 0;
390 	int timeout = 0;
391 
392 	while (1) {
393 		status = inb(ICEREG1724(ice, IRQSTAT));
394 		status &= status_mask;
395 		if (status == 0)
396 			break;
397 		spin_lock(&ice->reg_lock);
398 		if (++timeout > 10) {
399 			status = inb(ICEREG1724(ice, IRQSTAT));
400 			dev_err(ice->card->dev,
401 				"Too long irq loop, status = 0x%x\n", status);
402 			if (status & VT1724_IRQ_MPU_TX) {
403 				dev_err(ice->card->dev, "Disabling MPU_TX\n");
404 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
405 			}
406 			spin_unlock(&ice->reg_lock);
407 			break;
408 		}
409 		handled = 1;
410 		if (status & VT1724_IRQ_MPU_TX) {
411 			if (ice->midi_output)
412 				vt1724_midi_write(ice);
413 			else
414 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
415 			/* Due to mysterical reasons, MPU_TX is always
416 			 * generated (and can't be cleared) when a PCM
417 			 * playback is going.  So let's ignore at the
418 			 * next loop.
419 			 */
420 			status_mask &= ~VT1724_IRQ_MPU_TX;
421 		}
422 		if (status & VT1724_IRQ_MPU_RX) {
423 			if (ice->midi_input)
424 				vt1724_midi_read(ice);
425 			else
426 				vt1724_midi_clear_rx(ice);
427 		}
428 		/* ack MPU irq */
429 		outb(status, ICEREG1724(ice, IRQSTAT));
430 		spin_unlock(&ice->reg_lock);
431 		if (status & VT1724_IRQ_MTPCM) {
432 			/*
433 			 * Multi-track PCM
434 			 * PCM assignment are:
435 			 * Playback DMA0 (M/C) = playback_pro_substream
436 			 * Playback DMA1 = playback_con_substream_ds[0]
437 			 * Playback DMA2 = playback_con_substream_ds[1]
438 			 * Playback DMA3 = playback_con_substream_ds[2]
439 			 * Playback DMA4 (SPDIF) = playback_con_substream
440 			 * Record DMA0 = capture_pro_substream
441 			 * Record DMA1 = capture_con_substream
442 			 */
443 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
444 			if (mtstat & VT1724_MULTI_PDMA0) {
445 				if (ice->playback_pro_substream)
446 					snd_pcm_period_elapsed(ice->playback_pro_substream);
447 			}
448 			if (mtstat & VT1724_MULTI_RDMA0) {
449 				if (ice->capture_pro_substream)
450 					snd_pcm_period_elapsed(ice->capture_pro_substream);
451 			}
452 			if (mtstat & VT1724_MULTI_PDMA1) {
453 				if (ice->playback_con_substream_ds[0])
454 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
455 			}
456 			if (mtstat & VT1724_MULTI_PDMA2) {
457 				if (ice->playback_con_substream_ds[1])
458 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
459 			}
460 			if (mtstat & VT1724_MULTI_PDMA3) {
461 				if (ice->playback_con_substream_ds[2])
462 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
463 			}
464 			if (mtstat & VT1724_MULTI_PDMA4) {
465 				if (ice->playback_con_substream)
466 					snd_pcm_period_elapsed(ice->playback_con_substream);
467 			}
468 			if (mtstat & VT1724_MULTI_RDMA1) {
469 				if (ice->capture_con_substream)
470 					snd_pcm_period_elapsed(ice->capture_con_substream);
471 			}
472 			/* ack anyway to avoid freeze */
473 			outb(mtstat, ICEMT1724(ice, IRQ));
474 			/* ought to really handle this properly */
475 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
476 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
477 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
478 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
479 				/* If I don't do this, I get machine lockup due to continual interrupts */
480 			}
481 
482 		}
483 	}
484 	return IRQ_RETVAL(handled);
485 }
486 
487 /*
488  *  PCM code - professional part (multitrack)
489  */
490 
491 static const unsigned int rates[] = {
492 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
493 	32000, 44100, 48000, 64000, 88200, 96000,
494 	176400, 192000,
495 };
496 
497 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
498 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
499 	.list = rates,
500 	.mask = 0,
501 };
502 
503 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
504 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
505 	.list = rates,
506 	.mask = 0,
507 };
508 
509 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
510 	.count = ARRAY_SIZE(rates),
511 	.list = rates,
512 	.mask = 0,
513 };
514 
515 struct vt1724_pcm_reg {
516 	unsigned int addr;	/* ADDR register offset */
517 	unsigned int size;	/* SIZE register offset */
518 	unsigned int count;	/* COUNT register offset */
519 	unsigned int start;	/* start & pause bit */
520 };
521 
522 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
523 {
524 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
525 	unsigned char what;
526 	unsigned char old;
527 	struct snd_pcm_substream *s;
528 
529 	what = 0;
530 	snd_pcm_group_for_each_entry(s, substream) {
531 		if (snd_pcm_substream_chip(s) == ice) {
532 			const struct vt1724_pcm_reg *reg;
533 			reg = s->runtime->private_data;
534 			what |= reg->start;
535 			snd_pcm_trigger_done(s, substream);
536 		}
537 	}
538 
539 	switch (cmd) {
540 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
541 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
542 		spin_lock(&ice->reg_lock);
543 		old = inb(ICEMT1724(ice, DMA_PAUSE));
544 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
545 			old |= what;
546 		else
547 			old &= ~what;
548 		outb(old, ICEMT1724(ice, DMA_PAUSE));
549 		spin_unlock(&ice->reg_lock);
550 		break;
551 
552 	case SNDRV_PCM_TRIGGER_START:
553 	case SNDRV_PCM_TRIGGER_STOP:
554 	case SNDRV_PCM_TRIGGER_SUSPEND:
555 		spin_lock(&ice->reg_lock);
556 		old = inb(ICEMT1724(ice, DMA_CONTROL));
557 		if (cmd == SNDRV_PCM_TRIGGER_START)
558 			old |= what;
559 		else
560 			old &= ~what;
561 		outb(old, ICEMT1724(ice, DMA_CONTROL));
562 		spin_unlock(&ice->reg_lock);
563 		break;
564 
565 	case SNDRV_PCM_TRIGGER_RESUME:
566 		/* apps will have to restart stream */
567 		break;
568 
569 	default:
570 		return -EINVAL;
571 	}
572 	return 0;
573 }
574 
575 /*
576  */
577 
578 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
579 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
580 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
581 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
582 
583 static const unsigned int stdclock_rate_list[16] = {
584 	48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
585 	22050, 11025, 88200, 176400, 0, 192000, 64000
586 };
587 
588 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
589 {
590 	return stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
591 }
592 
593 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
594 {
595 	int i;
596 	for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
597 		if (stdclock_rate_list[i] == rate) {
598 			outb(i, ICEMT1724(ice, RATE));
599 			return;
600 		}
601 	}
602 }
603 
604 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
605 				       unsigned int rate)
606 {
607 	unsigned char val, old;
608 	/* check MT02 */
609 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
610 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
611 		if (rate > 96000)
612 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
613 		else
614 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
615 		if (val != old) {
616 			outb(val, ICEMT1724(ice, I2S_FORMAT));
617 			/* master clock changed */
618 			return 1;
619 		}
620 	}
621 	/* no change in master clock */
622 	return 0;
623 }
624 
625 static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
626 				    int force)
627 {
628 	unsigned long flags;
629 	unsigned char mclk_change;
630 	unsigned int i, old_rate;
631 	bool call_set_rate = false;
632 
633 	if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
634 		return -EINVAL;
635 
636 	spin_lock_irqsave(&ice->reg_lock, flags);
637 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
638 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
639 		/* running? we cannot change the rate now... */
640 		spin_unlock_irqrestore(&ice->reg_lock, flags);
641 		return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
642 	}
643 	if (!force && is_pro_rate_locked(ice)) {
644 		/* comparing required and current rate - makes sense for
645 		 * internal clock only */
646 		spin_unlock_irqrestore(&ice->reg_lock, flags);
647 		return (rate == ice->cur_rate) ? 0 : -EBUSY;
648 	}
649 
650 	if (force || !ice->is_spdif_master(ice)) {
651 		/* force means the rate was switched by ucontrol, otherwise
652 		 * setting clock rate for internal clock mode */
653 		old_rate = ice->get_rate(ice);
654 		if (force || (old_rate != rate))
655 			call_set_rate = true;
656 		else if (rate == ice->cur_rate) {
657 			spin_unlock_irqrestore(&ice->reg_lock, flags);
658 			return 0;
659 		}
660 	}
661 
662 	ice->cur_rate = rate;
663 	spin_unlock_irqrestore(&ice->reg_lock, flags);
664 
665 	if (call_set_rate)
666 		ice->set_rate(ice, rate);
667 
668 	/* setting master clock */
669 	mclk_change = ice->set_mclk(ice, rate);
670 
671 	if (mclk_change && ice->gpio.i2s_mclk_changed)
672 		ice->gpio.i2s_mclk_changed(ice);
673 	if (ice->gpio.set_pro_rate)
674 		ice->gpio.set_pro_rate(ice, rate);
675 
676 	/* set up codecs */
677 	for (i = 0; i < ice->akm_codecs; i++) {
678 		if (ice->akm[i].ops.set_rate_val)
679 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
680 	}
681 	if (ice->spdif.ops.setup_rate)
682 		ice->spdif.ops.setup_rate(ice, rate);
683 
684 	return 0;
685 }
686 
687 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
688 				    struct snd_pcm_hw_params *hw_params)
689 {
690 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
691 	int i, chs;
692 
693 	chs = params_channels(hw_params);
694 	mutex_lock(&ice->open_mutex);
695 	/* mark surround channels */
696 	if (substream == ice->playback_pro_substream) {
697 		/* PDMA0 can be multi-channel up to 8 */
698 		chs = chs / 2 - 1;
699 		for (i = 0; i < chs; i++) {
700 			if (ice->pcm_reserved[i] &&
701 			    ice->pcm_reserved[i] != substream) {
702 				mutex_unlock(&ice->open_mutex);
703 				return -EBUSY;
704 			}
705 			ice->pcm_reserved[i] = substream;
706 		}
707 		for (; i < 3; i++) {
708 			if (ice->pcm_reserved[i] == substream)
709 				ice->pcm_reserved[i] = NULL;
710 		}
711 	} else {
712 		for (i = 0; i < 3; i++) {
713 			/* check individual playback stream */
714 			if (ice->playback_con_substream_ds[i] == substream) {
715 				if (ice->pcm_reserved[i] &&
716 				    ice->pcm_reserved[i] != substream) {
717 					mutex_unlock(&ice->open_mutex);
718 					return -EBUSY;
719 				}
720 				ice->pcm_reserved[i] = substream;
721 				break;
722 			}
723 		}
724 	}
725 	mutex_unlock(&ice->open_mutex);
726 
727 	return snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
728 }
729 
730 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
731 {
732 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
733 	int i;
734 
735 	mutex_lock(&ice->open_mutex);
736 	/* unmark surround channels */
737 	for (i = 0; i < 3; i++)
738 		if (ice->pcm_reserved[i] == substream)
739 			ice->pcm_reserved[i] = NULL;
740 	mutex_unlock(&ice->open_mutex);
741 	return 0;
742 }
743 
744 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
745 {
746 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
747 	unsigned char val;
748 	unsigned int size;
749 
750 	spin_lock_irq(&ice->reg_lock);
751 	val = (8 - substream->runtime->channels) >> 1;
752 	outb(val, ICEMT1724(ice, BURST));
753 
754 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
755 
756 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
757 	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
758 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
759 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
760 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
761 	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
762 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
763 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
764 
765 	spin_unlock_irq(&ice->reg_lock);
766 
767 	/*
768 	dev_dbg(ice->card->dev, "pro prepare: ch = %d, addr = 0x%x, "
769 	       "buffer = 0x%x, period = 0x%x\n",
770 	       substream->runtime->channels,
771 	       (unsigned int)substream->runtime->dma_addr,
772 	       snd_pcm_lib_buffer_bytes(substream),
773 	       snd_pcm_lib_period_bytes(substream));
774 	*/
775 	return 0;
776 }
777 
778 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
779 {
780 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
781 	size_t ptr;
782 
783 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
784 		return 0;
785 #if 0 /* read PLAYBACK_ADDR */
786 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
787 	if (ptr < substream->runtime->dma_addr) {
788 		dev_dbg(ice->card->dev, "invalid negative ptr\n");
789 		return 0;
790 	}
791 	ptr -= substream->runtime->dma_addr;
792 	ptr = bytes_to_frames(substream->runtime, ptr);
793 	if (ptr >= substream->runtime->buffer_size) {
794 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
795 			   (int)ptr, (int)substream->runtime->period_size);
796 		return 0;
797 	}
798 #else /* read PLAYBACK_SIZE */
799 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
800 	ptr = (ptr + 1) << 2;
801 	ptr = bytes_to_frames(substream->runtime, ptr);
802 	if (!ptr)
803 		;
804 	else if (ptr <= substream->runtime->buffer_size)
805 		ptr = substream->runtime->buffer_size - ptr;
806 	else {
807 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
808 			   (int)ptr, (int)substream->runtime->buffer_size);
809 		ptr = 0;
810 	}
811 #endif
812 	return ptr;
813 }
814 
815 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
816 {
817 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
818 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
819 
820 	spin_lock_irq(&ice->reg_lock);
821 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
822 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
823 	     ice->profi_port + reg->size);
824 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
825 	     ice->profi_port + reg->count);
826 	spin_unlock_irq(&ice->reg_lock);
827 	return 0;
828 }
829 
830 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
831 {
832 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
833 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
834 	size_t ptr;
835 
836 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
837 		return 0;
838 #if 0 /* use ADDR register */
839 	ptr = inl(ice->profi_port + reg->addr);
840 	ptr -= substream->runtime->dma_addr;
841 	return bytes_to_frames(substream->runtime, ptr);
842 #else /* use SIZE register */
843 	ptr = inw(ice->profi_port + reg->size);
844 	ptr = (ptr + 1) << 2;
845 	ptr = bytes_to_frames(substream->runtime, ptr);
846 	if (!ptr)
847 		;
848 	else if (ptr <= substream->runtime->buffer_size)
849 		ptr = substream->runtime->buffer_size - ptr;
850 	else {
851 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
852 			   (int)ptr, (int)substream->runtime->buffer_size);
853 		ptr = 0;
854 	}
855 	return ptr;
856 #endif
857 }
858 
859 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
860 	.addr = VT1724_MT_PLAYBACK_ADDR,
861 	.size = VT1724_MT_PLAYBACK_SIZE,
862 	.count = VT1724_MT_PLAYBACK_COUNT,
863 	.start = VT1724_PDMA0_START,
864 };
865 
866 static const struct vt1724_pcm_reg vt1724_pdma4_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 const struct vt1724_pcm_reg vt1724_rdma0_reg = {
874 	.addr = VT1724_MT_CAPTURE_ADDR,
875 	.size = VT1724_MT_CAPTURE_SIZE,
876 	.count = VT1724_MT_CAPTURE_COUNT,
877 	.start = VT1724_RDMA0_START,
878 };
879 
880 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
881 	.addr = VT1724_MT_RDMA1_ADDR,
882 	.size = VT1724_MT_RDMA1_SIZE,
883 	.count = VT1724_MT_RDMA1_COUNT,
884 	.start = VT1724_RDMA1_START,
885 };
886 
887 #define vt1724_playback_pro_reg vt1724_pdma0_reg
888 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
889 #define vt1724_capture_pro_reg vt1724_rdma0_reg
890 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
891 
892 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
893 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
894 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
895 				 SNDRV_PCM_INFO_MMAP_VALID |
896 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
897 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
898 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
899 	.rate_min =		8000,
900 	.rate_max =		192000,
901 	.channels_min =		2,
902 	.channels_max =		8,
903 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
904 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
905 	.period_bytes_max =	(1UL << 21),
906 	.periods_min =		2,
907 	.periods_max =		1024,
908 };
909 
910 static const struct snd_pcm_hardware snd_vt1724_spdif = {
911 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
912 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
913 				 SNDRV_PCM_INFO_MMAP_VALID |
914 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
915 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
916 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
917 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
918 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
919 				 SNDRV_PCM_RATE_192000),
920 	.rate_min =		32000,
921 	.rate_max =		192000,
922 	.channels_min =		2,
923 	.channels_max =		2,
924 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
925 	.period_bytes_min =	2 * 4 * 2,
926 	.period_bytes_max =	(1UL << 18),
927 	.periods_min =		2,
928 	.periods_max =		1024,
929 };
930 
931 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
932 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
933 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
934 				 SNDRV_PCM_INFO_MMAP_VALID |
935 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
936 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
937 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
938 	.rate_min =		8000,
939 	.rate_max =		192000,
940 	.channels_min =		2,
941 	.channels_max =		2,
942 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
943 	.period_bytes_min =	2 * 4 * 2,
944 	.period_bytes_max =	(1UL << 18),
945 	.periods_min =		2,
946 	.periods_max =		1024,
947 };
948 
949 /*
950  * set rate constraints
951  */
952 static void set_std_hw_rates(struct snd_ice1712 *ice)
953 {
954 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
955 		/* I2S */
956 		/* VT1720 doesn't support more than 96kHz */
957 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
958 			ice->hw_rates = &hw_constraints_rates_192;
959 		else
960 			ice->hw_rates = &hw_constraints_rates_96;
961 	} else {
962 		/* ACLINK */
963 		ice->hw_rates = &hw_constraints_rates_48;
964 	}
965 }
966 
967 static int set_rate_constraints(struct snd_ice1712 *ice,
968 				struct snd_pcm_substream *substream)
969 {
970 	struct snd_pcm_runtime *runtime = substream->runtime;
971 
972 	runtime->hw.rate_min = ice->hw_rates->list[0];
973 	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
974 	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
975 	return snd_pcm_hw_constraint_list(runtime, 0,
976 					  SNDRV_PCM_HW_PARAM_RATE,
977 					  ice->hw_rates);
978 }
979 
980 /* if the card has the internal rate locked (is_pro_locked), limit runtime
981    hw rates to the current internal rate only.
982 */
983 static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
984 {
985 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
986 	struct snd_pcm_runtime *runtime = substream->runtime;
987 	unsigned int rate;
988 	if (is_pro_rate_locked(ice)) {
989 		rate = ice->get_rate(ice);
990 		if (rate >= runtime->hw.rate_min
991 		    && rate <= runtime->hw.rate_max) {
992 			runtime->hw.rate_min = rate;
993 			runtime->hw.rate_max = rate;
994 		}
995 	}
996 }
997 
998 
999 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1000  * actually used
1001  */
1002 #define VT1724_BUFFER_ALIGN	0x20
1003 
1004 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1005 {
1006 	struct snd_pcm_runtime *runtime = substream->runtime;
1007 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1008 	int chs, num_indeps;
1009 
1010 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
1011 	ice->playback_pro_substream = substream;
1012 	runtime->hw = snd_vt1724_playback_pro;
1013 	snd_pcm_set_sync(substream);
1014 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1015 	set_rate_constraints(ice, substream);
1016 	mutex_lock(&ice->open_mutex);
1017 	/* calculate the currently available channels */
1018 	num_indeps = ice->num_total_dacs / 2 - 1;
1019 	for (chs = 0; chs < num_indeps; chs++) {
1020 		if (ice->pcm_reserved[chs])
1021 			break;
1022 	}
1023 	chs = (chs + 1) * 2;
1024 	runtime->hw.channels_max = chs;
1025 	if (chs > 2) /* channels must be even */
1026 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1027 	mutex_unlock(&ice->open_mutex);
1028 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1029 				   VT1724_BUFFER_ALIGN);
1030 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1031 				   VT1724_BUFFER_ALIGN);
1032 	constrain_rate_if_locked(substream);
1033 	if (ice->pro_open)
1034 		ice->pro_open(ice, substream);
1035 	return 0;
1036 }
1037 
1038 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1039 {
1040 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1041 	struct snd_pcm_runtime *runtime = substream->runtime;
1042 
1043 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
1044 	ice->capture_pro_substream = substream;
1045 	runtime->hw = snd_vt1724_2ch_stereo;
1046 	snd_pcm_set_sync(substream);
1047 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1048 	set_rate_constraints(ice, substream);
1049 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1050 				   VT1724_BUFFER_ALIGN);
1051 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1052 				   VT1724_BUFFER_ALIGN);
1053 	constrain_rate_if_locked(substream);
1054 	if (ice->pro_open)
1055 		ice->pro_open(ice, substream);
1056 	return 0;
1057 }
1058 
1059 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1060 {
1061 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1062 
1063 	if (PRO_RATE_RESET)
1064 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1065 	ice->playback_pro_substream = NULL;
1066 
1067 	return 0;
1068 }
1069 
1070 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1071 {
1072 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1073 
1074 	if (PRO_RATE_RESET)
1075 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1076 	ice->capture_pro_substream = NULL;
1077 	return 0;
1078 }
1079 
1080 static const struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1081 	.open =		snd_vt1724_playback_pro_open,
1082 	.close =	snd_vt1724_playback_pro_close,
1083 	.hw_params =	snd_vt1724_pcm_hw_params,
1084 	.hw_free =	snd_vt1724_pcm_hw_free,
1085 	.prepare =	snd_vt1724_playback_pro_prepare,
1086 	.trigger =	snd_vt1724_pcm_trigger,
1087 	.pointer =	snd_vt1724_playback_pro_pointer,
1088 };
1089 
1090 static const struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1091 	.open =		snd_vt1724_capture_pro_open,
1092 	.close =	snd_vt1724_capture_pro_close,
1093 	.hw_params =	snd_vt1724_pcm_hw_params,
1094 	.hw_free =	snd_vt1724_pcm_hw_free,
1095 	.prepare =	snd_vt1724_pcm_prepare,
1096 	.trigger =	snd_vt1724_pcm_trigger,
1097 	.pointer =	snd_vt1724_pcm_pointer,
1098 };
1099 
1100 static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1101 {
1102 	struct snd_pcm *pcm;
1103 	int capt, err;
1104 
1105 	if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1106 	    VT1724_CFG_ADC_NONE)
1107 		capt = 0;
1108 	else
1109 		capt = 1;
1110 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1111 	if (err < 0)
1112 		return err;
1113 
1114 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1115 	if (capt)
1116 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1117 			&snd_vt1724_capture_pro_ops);
1118 
1119 	pcm->private_data = ice;
1120 	pcm->info_flags = 0;
1121 	strcpy(pcm->name, "ICE1724");
1122 
1123 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1124 				       &ice->pci->dev, 256*1024, 256*1024);
1125 
1126 	ice->pcm_pro = pcm;
1127 
1128 	return 0;
1129 }
1130 
1131 
1132 /*
1133  * SPDIF PCM
1134  */
1135 
1136 /* update spdif control bits; call with reg_lock */
1137 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1138 {
1139 	unsigned char cbit, disabled;
1140 
1141 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1142 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1143 	if (cbit != disabled)
1144 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1145 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1146 	if (cbit != disabled)
1147 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1148 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1149 }
1150 
1151 /* update SPDIF control bits according to the given rate */
1152 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1153 {
1154 	unsigned int val, nval;
1155 	unsigned long flags;
1156 
1157 	spin_lock_irqsave(&ice->reg_lock, flags);
1158 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1159 	nval &= ~(7 << 12);
1160 	switch (rate) {
1161 	case 44100: break;
1162 	case 48000: nval |= 2 << 12; break;
1163 	case 32000: nval |= 3 << 12; break;
1164 	case 88200: nval |= 4 << 12; break;
1165 	case 96000: nval |= 5 << 12; break;
1166 	case 192000: nval |= 6 << 12; break;
1167 	case 176400: nval |= 7 << 12; break;
1168 	}
1169 	if (val != nval)
1170 		update_spdif_bits(ice, nval);
1171 	spin_unlock_irqrestore(&ice->reg_lock, flags);
1172 }
1173 
1174 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1175 {
1176 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1177 	if (!ice->force_pdma4)
1178 		update_spdif_rate(ice, substream->runtime->rate);
1179 	return snd_vt1724_pcm_prepare(substream);
1180 }
1181 
1182 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1183 {
1184 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1185 	struct snd_pcm_runtime *runtime = substream->runtime;
1186 
1187 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1188 	ice->playback_con_substream = substream;
1189 	if (ice->force_pdma4) {
1190 		runtime->hw = snd_vt1724_2ch_stereo;
1191 		set_rate_constraints(ice, substream);
1192 	} else
1193 		runtime->hw = snd_vt1724_spdif;
1194 	snd_pcm_set_sync(substream);
1195 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1196 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1197 				   VT1724_BUFFER_ALIGN);
1198 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1199 				   VT1724_BUFFER_ALIGN);
1200 	constrain_rate_if_locked(substream);
1201 	if (ice->spdif.ops.open)
1202 		ice->spdif.ops.open(ice, substream);
1203 	return 0;
1204 }
1205 
1206 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1207 {
1208 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1209 
1210 	if (PRO_RATE_RESET)
1211 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1212 	ice->playback_con_substream = NULL;
1213 	if (ice->spdif.ops.close)
1214 		ice->spdif.ops.close(ice, substream);
1215 
1216 	return 0;
1217 }
1218 
1219 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1220 {
1221 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1222 	struct snd_pcm_runtime *runtime = substream->runtime;
1223 
1224 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1225 	ice->capture_con_substream = substream;
1226 	if (ice->force_rdma1) {
1227 		runtime->hw = snd_vt1724_2ch_stereo;
1228 		set_rate_constraints(ice, substream);
1229 	} else
1230 		runtime->hw = snd_vt1724_spdif;
1231 	snd_pcm_set_sync(substream);
1232 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1233 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1234 				   VT1724_BUFFER_ALIGN);
1235 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1236 				   VT1724_BUFFER_ALIGN);
1237 	constrain_rate_if_locked(substream);
1238 	if (ice->spdif.ops.open)
1239 		ice->spdif.ops.open(ice, substream);
1240 	return 0;
1241 }
1242 
1243 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1244 {
1245 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1246 
1247 	if (PRO_RATE_RESET)
1248 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1249 	ice->capture_con_substream = NULL;
1250 	if (ice->spdif.ops.close)
1251 		ice->spdif.ops.close(ice, substream);
1252 
1253 	return 0;
1254 }
1255 
1256 static const struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1257 	.open =		snd_vt1724_playback_spdif_open,
1258 	.close =	snd_vt1724_playback_spdif_close,
1259 	.hw_params =	snd_vt1724_pcm_hw_params,
1260 	.hw_free =	snd_vt1724_pcm_hw_free,
1261 	.prepare =	snd_vt1724_playback_spdif_prepare,
1262 	.trigger =	snd_vt1724_pcm_trigger,
1263 	.pointer =	snd_vt1724_pcm_pointer,
1264 };
1265 
1266 static const struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1267 	.open =		snd_vt1724_capture_spdif_open,
1268 	.close =	snd_vt1724_capture_spdif_close,
1269 	.hw_params =	snd_vt1724_pcm_hw_params,
1270 	.hw_free =	snd_vt1724_pcm_hw_free,
1271 	.prepare =	snd_vt1724_pcm_prepare,
1272 	.trigger =	snd_vt1724_pcm_trigger,
1273 	.pointer =	snd_vt1724_pcm_pointer,
1274 };
1275 
1276 
1277 static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1278 {
1279 	char *name;
1280 	struct snd_pcm *pcm;
1281 	int play, capt;
1282 	int err;
1283 
1284 	if (ice->force_pdma4 ||
1285 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1286 		play = 1;
1287 		ice->has_spdif = 1;
1288 	} else
1289 		play = 0;
1290 	if (ice->force_rdma1 ||
1291 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1292 		capt = 1;
1293 		ice->has_spdif = 1;
1294 	} else
1295 		capt = 0;
1296 	if (!play && !capt)
1297 		return 0; /* no spdif device */
1298 
1299 	if (ice->force_pdma4 || ice->force_rdma1)
1300 		name = "ICE1724 Secondary";
1301 	else
1302 		name = "ICE1724 IEC958";
1303 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1304 	if (err < 0)
1305 		return err;
1306 
1307 	if (play)
1308 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1309 				&snd_vt1724_playback_spdif_ops);
1310 	if (capt)
1311 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1312 				&snd_vt1724_capture_spdif_ops);
1313 
1314 	pcm->private_data = ice;
1315 	pcm->info_flags = 0;
1316 	strcpy(pcm->name, name);
1317 
1318 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1319 				       &ice->pci->dev, 256*1024, 256*1024);
1320 
1321 	ice->pcm = pcm;
1322 
1323 	return 0;
1324 }
1325 
1326 
1327 /*
1328  * independent surround PCMs
1329  */
1330 
1331 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1332 	{
1333 		.addr = VT1724_MT_PDMA1_ADDR,
1334 		.size = VT1724_MT_PDMA1_SIZE,
1335 		.count = VT1724_MT_PDMA1_COUNT,
1336 		.start = VT1724_PDMA1_START,
1337 	},
1338 	{
1339 		.addr = VT1724_MT_PDMA2_ADDR,
1340 		.size = VT1724_MT_PDMA2_SIZE,
1341 		.count = VT1724_MT_PDMA2_COUNT,
1342 		.start = VT1724_PDMA2_START,
1343 	},
1344 	{
1345 		.addr = VT1724_MT_PDMA3_ADDR,
1346 		.size = VT1724_MT_PDMA3_SIZE,
1347 		.count = VT1724_MT_PDMA3_COUNT,
1348 		.start = VT1724_PDMA3_START,
1349 	},
1350 };
1351 
1352 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1353 {
1354 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1355 	unsigned char val;
1356 
1357 	spin_lock_irq(&ice->reg_lock);
1358 	val = 3 - substream->number;
1359 	if (inb(ICEMT1724(ice, BURST)) < val)
1360 		outb(val, ICEMT1724(ice, BURST));
1361 	spin_unlock_irq(&ice->reg_lock);
1362 	return snd_vt1724_pcm_prepare(substream);
1363 }
1364 
1365 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1366 {
1367 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1368 	struct snd_pcm_runtime *runtime = substream->runtime;
1369 
1370 	mutex_lock(&ice->open_mutex);
1371 	/* already used by PDMA0? */
1372 	if (ice->pcm_reserved[substream->number]) {
1373 		mutex_unlock(&ice->open_mutex);
1374 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1375 	}
1376 	mutex_unlock(&ice->open_mutex);
1377 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1378 	ice->playback_con_substream_ds[substream->number] = substream;
1379 	runtime->hw = snd_vt1724_2ch_stereo;
1380 	snd_pcm_set_sync(substream);
1381 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1382 	set_rate_constraints(ice, substream);
1383 	return 0;
1384 }
1385 
1386 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1387 {
1388 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1389 
1390 	if (PRO_RATE_RESET)
1391 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1392 	ice->playback_con_substream_ds[substream->number] = NULL;
1393 	ice->pcm_reserved[substream->number] = NULL;
1394 
1395 	return 0;
1396 }
1397 
1398 static const struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1399 	.open =		snd_vt1724_playback_indep_open,
1400 	.close =	snd_vt1724_playback_indep_close,
1401 	.hw_params =	snd_vt1724_pcm_hw_params,
1402 	.hw_free =	snd_vt1724_pcm_hw_free,
1403 	.prepare =	snd_vt1724_playback_indep_prepare,
1404 	.trigger =	snd_vt1724_pcm_trigger,
1405 	.pointer =	snd_vt1724_pcm_pointer,
1406 };
1407 
1408 
1409 static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1410 {
1411 	struct snd_pcm *pcm;
1412 	int play;
1413 	int err;
1414 
1415 	play = ice->num_total_dacs / 2 - 1;
1416 	if (play <= 0)
1417 		return 0;
1418 
1419 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1420 	if (err < 0)
1421 		return err;
1422 
1423 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1424 			&snd_vt1724_playback_indep_ops);
1425 
1426 	pcm->private_data = ice;
1427 	pcm->info_flags = 0;
1428 	strcpy(pcm->name, "ICE1724 Surround PCM");
1429 
1430 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1431 				       &ice->pci->dev, 256*1024, 256*1024);
1432 
1433 	ice->pcm_ds = pcm;
1434 
1435 	return 0;
1436 }
1437 
1438 
1439 /*
1440  *  Mixer section
1441  */
1442 
1443 static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1444 {
1445 	int err;
1446 
1447 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1448 		struct snd_ac97_bus *pbus;
1449 		struct snd_ac97_template ac97;
1450 		static const struct snd_ac97_bus_ops ops = {
1451 			.write = snd_vt1724_ac97_write,
1452 			.read = snd_vt1724_ac97_read,
1453 		};
1454 
1455 		/* cold reset */
1456 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1457 		mdelay(5); /* FIXME */
1458 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1459 
1460 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1461 		if (err < 0)
1462 			return err;
1463 		memset(&ac97, 0, sizeof(ac97));
1464 		ac97.private_data = ice;
1465 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1466 		if (err < 0)
1467 			dev_warn(ice->card->dev,
1468 				 "cannot initialize pro ac97, skipped\n");
1469 		else
1470 			return 0;
1471 	}
1472 	/* I2S mixer only */
1473 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1474 	return 0;
1475 }
1476 
1477 /*
1478  *
1479  */
1480 
1481 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1482 {
1483 	return (unsigned int)ice->eeprom.data[idx] | \
1484 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1485 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1486 }
1487 
1488 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1489 				 struct snd_info_buffer *buffer)
1490 {
1491 	struct snd_ice1712 *ice = entry->private_data;
1492 	unsigned int idx;
1493 
1494 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1495 	snd_iprintf(buffer, "EEPROM:\n");
1496 
1497 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1498 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1499 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1500 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1501 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1502 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1503 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1504 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1505 		    ice->eeprom.data[ICE_EEP2_I2S]);
1506 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1507 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1508 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1509 		    ice->eeprom.gpiodir);
1510 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1511 		    ice->eeprom.gpiomask);
1512 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1513 		    ice->eeprom.gpiostate);
1514 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1515 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1516 			    idx, ice->eeprom.data[idx]);
1517 
1518 	snd_iprintf(buffer, "\nRegisters:\n");
1519 
1520 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1521 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1522 	for (idx = 0x0; idx < 0x20 ; idx++)
1523 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1524 			    idx, inb(ice->port+idx));
1525 	for (idx = 0x0; idx < 0x30 ; idx++)
1526 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1527 			    idx, inb(ice->profi_port+idx));
1528 }
1529 
1530 static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1531 {
1532 	snd_card_ro_proc_new(ice->card, "ice1724", ice, snd_vt1724_proc_read);
1533 }
1534 
1535 /*
1536  *
1537  */
1538 
1539 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1540 				  struct snd_ctl_elem_info *uinfo)
1541 {
1542 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1543 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1544 	return 0;
1545 }
1546 
1547 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1548 				 struct snd_ctl_elem_value *ucontrol)
1549 {
1550 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1551 
1552 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1553 	return 0;
1554 }
1555 
1556 static const struct snd_kcontrol_new snd_vt1724_eeprom = {
1557 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1558 	.name = "ICE1724 EEPROM",
1559 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1560 	.info = snd_vt1724_eeprom_info,
1561 	.get = snd_vt1724_eeprom_get
1562 };
1563 
1564 /*
1565  */
1566 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1567 				 struct snd_ctl_elem_info *uinfo)
1568 {
1569 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1570 	uinfo->count = 1;
1571 	return 0;
1572 }
1573 
1574 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1575 {
1576 	unsigned int val, rbits;
1577 
1578 	val = diga->status[0] & 0x03; /* professional, non-audio */
1579 	if (val & 0x01) {
1580 		/* professional */
1581 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1582 		    IEC958_AES0_PRO_EMPHASIS_5015)
1583 			val |= 1U << 3;
1584 		rbits = (diga->status[4] >> 3) & 0x0f;
1585 		if (rbits) {
1586 			switch (rbits) {
1587 			case 2: val |= 5 << 12; break; /* 96k */
1588 			case 3: val |= 6 << 12; break; /* 192k */
1589 			case 10: val |= 4 << 12; break; /* 88.2k */
1590 			case 11: val |= 7 << 12; break; /* 176.4k */
1591 			}
1592 		} else {
1593 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1594 			case IEC958_AES0_PRO_FS_44100:
1595 				break;
1596 			case IEC958_AES0_PRO_FS_32000:
1597 				val |= 3U << 12;
1598 				break;
1599 			default:
1600 				val |= 2U << 12;
1601 				break;
1602 			}
1603 		}
1604 	} else {
1605 		/* consumer */
1606 		val |= diga->status[1] & 0x04; /* copyright */
1607 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1608 		    IEC958_AES0_CON_EMPHASIS_5015)
1609 			val |= 1U << 3;
1610 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1611 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1612 	}
1613 	return val;
1614 }
1615 
1616 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1617 {
1618 	memset(diga->status, 0, sizeof(diga->status));
1619 	diga->status[0] = val & 0x03; /* professional, non-audio */
1620 	if (val & 0x01) {
1621 		/* professional */
1622 		if (val & (1U << 3))
1623 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1624 		switch ((val >> 12) & 0x7) {
1625 		case 0:
1626 			break;
1627 		case 2:
1628 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1629 			break;
1630 		default:
1631 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1632 			break;
1633 		}
1634 	} else {
1635 		/* consumer */
1636 		diga->status[0] |= val & (1U << 2); /* copyright */
1637 		if (val & (1U << 3))
1638 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1639 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1640 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1641 	}
1642 }
1643 
1644 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1645 					struct snd_ctl_elem_value *ucontrol)
1646 {
1647 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1648 	unsigned int val;
1649 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1650 	decode_spdif_bits(&ucontrol->value.iec958, val);
1651 	return 0;
1652 }
1653 
1654 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1655 					 struct snd_ctl_elem_value *ucontrol)
1656 {
1657 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1658 	unsigned int val, old;
1659 
1660 	val = encode_spdif_bits(&ucontrol->value.iec958);
1661 	spin_lock_irq(&ice->reg_lock);
1662 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1663 	if (val != old)
1664 		update_spdif_bits(ice, val);
1665 	spin_unlock_irq(&ice->reg_lock);
1666 	return val != old;
1667 }
1668 
1669 static const struct snd_kcontrol_new snd_vt1724_spdif_default =
1670 {
1671 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1672 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1673 	.info =		snd_vt1724_spdif_info,
1674 	.get =		snd_vt1724_spdif_default_get,
1675 	.put =		snd_vt1724_spdif_default_put
1676 };
1677 
1678 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1679 				       struct snd_ctl_elem_value *ucontrol)
1680 {
1681 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1682 						     IEC958_AES0_PROFESSIONAL |
1683 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1684 						     IEC958_AES0_CON_EMPHASIS;
1685 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1686 						     IEC958_AES1_CON_CATEGORY;
1687 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1688 	return 0;
1689 }
1690 
1691 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1692 				       struct snd_ctl_elem_value *ucontrol)
1693 {
1694 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1695 						     IEC958_AES0_PROFESSIONAL |
1696 						     IEC958_AES0_PRO_FS |
1697 						     IEC958_AES0_PRO_EMPHASIS;
1698 	return 0;
1699 }
1700 
1701 static const struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1702 {
1703 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1704 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1705 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1706 	.info =		snd_vt1724_spdif_info,
1707 	.get =		snd_vt1724_spdif_maskc_get,
1708 };
1709 
1710 static const struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1711 {
1712 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1713 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1714 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1715 	.info =		snd_vt1724_spdif_info,
1716 	.get =		snd_vt1724_spdif_maskp_get,
1717 };
1718 
1719 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1720 
1721 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1722 				   struct snd_ctl_elem_value *ucontrol)
1723 {
1724 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1725 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1726 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1727 	return 0;
1728 }
1729 
1730 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1731 				   struct snd_ctl_elem_value *ucontrol)
1732 {
1733 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1734 	unsigned char old, val;
1735 
1736 	spin_lock_irq(&ice->reg_lock);
1737 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1738 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1739 	if (ucontrol->value.integer.value[0])
1740 		val |= VT1724_CFG_SPDIF_OUT_EN;
1741 	if (old != val)
1742 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1743 	spin_unlock_irq(&ice->reg_lock);
1744 	return old != val;
1745 }
1746 
1747 static const struct snd_kcontrol_new snd_vt1724_spdif_switch =
1748 {
1749 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1750 	/* FIXME: the following conflict with IEC958 Playback Route */
1751 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1752 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1753 	.info =		snd_vt1724_spdif_sw_info,
1754 	.get =		snd_vt1724_spdif_sw_get,
1755 	.put =		snd_vt1724_spdif_sw_put
1756 };
1757 
1758 
1759 #if 0 /* NOT USED YET */
1760 /*
1761  * GPIO access from extern
1762  */
1763 
1764 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1765 
1766 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1767 			struct snd_ctl_elem_value *ucontrol)
1768 {
1769 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1770 	int shift = kcontrol->private_value & 0xff;
1771 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1772 
1773 	snd_ice1712_save_gpio_status(ice);
1774 	ucontrol->value.integer.value[0] =
1775 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1776 	snd_ice1712_restore_gpio_status(ice);
1777 	return 0;
1778 }
1779 
1780 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1781 			 struct snd_ctl_elem_value *ucontrol)
1782 {
1783 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1784 	int shift = kcontrol->private_value & 0xff;
1785 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1786 	unsigned int val, nval;
1787 
1788 	if (kcontrol->private_value & (1 << 31))
1789 		return -EPERM;
1790 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1791 	snd_ice1712_save_gpio_status(ice);
1792 	val = snd_ice1712_gpio_read(ice);
1793 	nval |= val & ~(1 << shift);
1794 	if (val != nval)
1795 		snd_ice1712_gpio_write(ice, nval);
1796 	snd_ice1712_restore_gpio_status(ice);
1797 	return val != nval;
1798 }
1799 #endif /* NOT USED YET */
1800 
1801 /*
1802  *  rate
1803  */
1804 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1805 					      struct snd_ctl_elem_info *uinfo)
1806 {
1807 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1808 	int hw_rates_count = ice->hw_rates->count;
1809 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1810 	uinfo->count = 1;
1811 
1812 	/* internal clocks */
1813 	uinfo->value.enumerated.items = hw_rates_count;
1814 	/* external clocks */
1815 	if (ice->force_rdma1 ||
1816 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1817 		uinfo->value.enumerated.items += ice->ext_clock_count;
1818 	/* upper limit - keep at top */
1819 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1820 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1821 	if (uinfo->value.enumerated.item >= hw_rates_count)
1822 		/* ext_clock items */
1823 		strcpy(uinfo->value.enumerated.name,
1824 				ice->ext_clock_names[
1825 				uinfo->value.enumerated.item - hw_rates_count]);
1826 	else
1827 		/* int clock items */
1828 		sprintf(uinfo->value.enumerated.name, "%d",
1829 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1830 	return 0;
1831 }
1832 
1833 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1834 					     struct snd_ctl_elem_value *ucontrol)
1835 {
1836 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1837 	unsigned int i, rate;
1838 
1839 	spin_lock_irq(&ice->reg_lock);
1840 	if (ice->is_spdif_master(ice)) {
1841 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1842 			ice->get_spdif_master_type(ice);
1843 	} else {
1844 		rate = ice->get_rate(ice);
1845 		ucontrol->value.enumerated.item[0] = 0;
1846 		for (i = 0; i < ice->hw_rates->count; i++) {
1847 			if (ice->hw_rates->list[i] == rate) {
1848 				ucontrol->value.enumerated.item[0] = i;
1849 				break;
1850 			}
1851 		}
1852 	}
1853 	spin_unlock_irq(&ice->reg_lock);
1854 	return 0;
1855 }
1856 
1857 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1858 {
1859 	/* standard external clock - only single type - SPDIF IN */
1860 	return 0;
1861 }
1862 
1863 /* setting clock to external - SPDIF */
1864 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1865 {
1866 	unsigned char oval;
1867 	unsigned char i2s_oval;
1868 	oval = inb(ICEMT1724(ice, RATE));
1869 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1870 	/* setting 256fs */
1871 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1872 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1873 	return 0;
1874 }
1875 
1876 
1877 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1878 					     struct snd_ctl_elem_value *ucontrol)
1879 {
1880 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1881 	unsigned int old_rate, new_rate;
1882 	unsigned int item = ucontrol->value.enumerated.item[0];
1883 	unsigned int first_ext_clock = ice->hw_rates->count;
1884 
1885 	if (item >  first_ext_clock + ice->ext_clock_count - 1)
1886 		return -EINVAL;
1887 
1888 	/* if rate = 0 => external clock */
1889 	spin_lock_irq(&ice->reg_lock);
1890 	if (ice->is_spdif_master(ice))
1891 		old_rate = 0;
1892 	else
1893 		old_rate = ice->get_rate(ice);
1894 	if (item >= first_ext_clock) {
1895 		/* switching to external clock */
1896 		ice->set_spdif_clock(ice, item - first_ext_clock);
1897 		new_rate = 0;
1898 	} else {
1899 		/* internal on-card clock */
1900 		new_rate = ice->hw_rates->list[item];
1901 		ice->pro_rate_default = new_rate;
1902 		spin_unlock_irq(&ice->reg_lock);
1903 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1904 		spin_lock_irq(&ice->reg_lock);
1905 	}
1906 	spin_unlock_irq(&ice->reg_lock);
1907 
1908 	/* the first switch to the ext. clock mode? */
1909 	if (old_rate != new_rate && !new_rate) {
1910 		/* notify akm chips as well */
1911 		unsigned int i;
1912 		if (ice->gpio.set_pro_rate)
1913 			ice->gpio.set_pro_rate(ice, 0);
1914 		for (i = 0; i < ice->akm_codecs; i++) {
1915 			if (ice->akm[i].ops.set_rate_val)
1916 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1917 		}
1918 	}
1919 	return old_rate != new_rate;
1920 }
1921 
1922 static const struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1923 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1924 	.name = "Multi Track Internal Clock",
1925 	.info = snd_vt1724_pro_internal_clock_info,
1926 	.get = snd_vt1724_pro_internal_clock_get,
1927 	.put = snd_vt1724_pro_internal_clock_put
1928 };
1929 
1930 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1931 
1932 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1933 					   struct snd_ctl_elem_value *ucontrol)
1934 {
1935 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1936 	return 0;
1937 }
1938 
1939 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1940 					   struct snd_ctl_elem_value *ucontrol)
1941 {
1942 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1943 	int change = 0, nval;
1944 
1945 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1946 	spin_lock_irq(&ice->reg_lock);
1947 	change = PRO_RATE_LOCKED != nval;
1948 	PRO_RATE_LOCKED = nval;
1949 	spin_unlock_irq(&ice->reg_lock);
1950 	return change;
1951 }
1952 
1953 static const struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
1954 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1955 	.name = "Multi Track Rate Locking",
1956 	.info = snd_vt1724_pro_rate_locking_info,
1957 	.get = snd_vt1724_pro_rate_locking_get,
1958 	.put = snd_vt1724_pro_rate_locking_put
1959 };
1960 
1961 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1962 
1963 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1964 					 struct snd_ctl_elem_value *ucontrol)
1965 {
1966 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1967 	return 0;
1968 }
1969 
1970 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1971 					 struct snd_ctl_elem_value *ucontrol)
1972 {
1973 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1974 	int change = 0, nval;
1975 
1976 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1977 	spin_lock_irq(&ice->reg_lock);
1978 	change = PRO_RATE_RESET != nval;
1979 	PRO_RATE_RESET = nval;
1980 	spin_unlock_irq(&ice->reg_lock);
1981 	return change;
1982 }
1983 
1984 static const struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
1985 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1986 	.name = "Multi Track Rate Reset",
1987 	.info = snd_vt1724_pro_rate_reset_info,
1988 	.get = snd_vt1724_pro_rate_reset_get,
1989 	.put = snd_vt1724_pro_rate_reset_put
1990 };
1991 
1992 
1993 /*
1994  * routing
1995  */
1996 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1997 				     struct snd_ctl_elem_info *uinfo)
1998 {
1999 	static const char * const texts[] = {
2000 		"PCM Out", /* 0 */
2001 		"H/W In 0", "H/W In 1", /* 1-2 */
2002 		"IEC958 In L", "IEC958 In R", /* 3-4 */
2003 	};
2004 
2005 	return snd_ctl_enum_info(uinfo, 1, 5, texts);
2006 }
2007 
2008 static inline int analog_route_shift(int idx)
2009 {
2010 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2011 }
2012 
2013 static inline int digital_route_shift(int idx)
2014 {
2015 	return idx * 3;
2016 }
2017 
2018 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2019 {
2020 	unsigned long val;
2021 	unsigned char eitem;
2022 	static const unsigned char xlate[8] = {
2023 		0, 255, 1, 2, 255, 255, 3, 4,
2024 	};
2025 
2026 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2027 	val >>= shift;
2028 	val &= 7; /* we now have 3 bits per output */
2029 	eitem = xlate[val];
2030 	if (eitem == 255) {
2031 		snd_BUG();
2032 		return 0;
2033 	}
2034 	return eitem;
2035 }
2036 
2037 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2038 								int shift)
2039 {
2040 	unsigned int old_val, nval;
2041 	int change;
2042 	static const unsigned char xroute[8] = {
2043 		0, /* PCM */
2044 		2, /* PSDIN0 Left */
2045 		3, /* PSDIN0 Right */
2046 		6, /* SPDIN Left */
2047 		7, /* SPDIN Right */
2048 	};
2049 
2050 	nval = xroute[val % 5];
2051 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2052 	val &= ~(0x07 << shift);
2053 	val |= nval << shift;
2054 	change = val != old_val;
2055 	if (change)
2056 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2057 	return change;
2058 }
2059 
2060 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2061 					   struct snd_ctl_elem_value *ucontrol)
2062 {
2063 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2064 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2065 	ucontrol->value.enumerated.item[0] =
2066 		snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2067 	return 0;
2068 }
2069 
2070 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2071 					   struct snd_ctl_elem_value *ucontrol)
2072 {
2073 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2074 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2075 	return snd_ice1724_put_route_val(ice,
2076 					 ucontrol->value.enumerated.item[0],
2077 					 analog_route_shift(idx));
2078 }
2079 
2080 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2081 					  struct snd_ctl_elem_value *ucontrol)
2082 {
2083 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2084 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2085 	ucontrol->value.enumerated.item[0] =
2086 		snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2087 	return 0;
2088 }
2089 
2090 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2091 					  struct snd_ctl_elem_value *ucontrol)
2092 {
2093 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2094 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2095 	return snd_ice1724_put_route_val(ice,
2096 					 ucontrol->value.enumerated.item[0],
2097 					 digital_route_shift(idx));
2098 }
2099 
2100 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2101 {
2102 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2103 	.name = "H/W Playback Route",
2104 	.info = snd_vt1724_pro_route_info,
2105 	.get = snd_vt1724_pro_route_analog_get,
2106 	.put = snd_vt1724_pro_route_analog_put,
2107 };
2108 
2109 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2110 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2111 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2112 	.info = snd_vt1724_pro_route_info,
2113 	.get = snd_vt1724_pro_route_spdif_get,
2114 	.put = snd_vt1724_pro_route_spdif_put,
2115 	.count = 2,
2116 };
2117 
2118 
2119 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2120 				    struct snd_ctl_elem_info *uinfo)
2121 {
2122 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2123 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2124 	uinfo->value.integer.min = 0;
2125 	uinfo->value.integer.max = 255;
2126 	return 0;
2127 }
2128 
2129 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2130 				   struct snd_ctl_elem_value *ucontrol)
2131 {
2132 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2133 	int idx;
2134 
2135 	spin_lock_irq(&ice->reg_lock);
2136 	for (idx = 0; idx < 22; idx++) {
2137 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2138 		ucontrol->value.integer.value[idx] =
2139 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2140 	}
2141 	spin_unlock_irq(&ice->reg_lock);
2142 	return 0;
2143 }
2144 
2145 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2146 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
2147 	.name = "Multi Track Peak",
2148 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2149 	.info = snd_vt1724_pro_peak_info,
2150 	.get = snd_vt1724_pro_peak_get
2151 };
2152 
2153 /*
2154   ooAoo cards with no controls
2155 */
2156 static const unsigned char ooaoo_sq210_eeprom[] = {
2157 	[ICE_EEP2_SYSCONF]     = 0x4c,	/* 49MHz crystal, no mpu401, no ADC,
2158 					   1xDACs */
2159 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
2160 	[ICE_EEP2_I2S]         = 0x78,	/* no volume, 96k, 24bit, 192k */
2161 	[ICE_EEP2_SPDIF]       = 0xc1,	/* out-en, out-int, out-ext */
2162 	[ICE_EEP2_GPIO_DIR]    = 0x00,	/* no GPIOs are used */
2163 	[ICE_EEP2_GPIO_DIR1]   = 0x00,
2164 	[ICE_EEP2_GPIO_DIR2]   = 0x00,
2165 	[ICE_EEP2_GPIO_MASK]   = 0xff,
2166 	[ICE_EEP2_GPIO_MASK1]  = 0xff,
2167 	[ICE_EEP2_GPIO_MASK2]  = 0xff,
2168 
2169 	[ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2170 	[ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2171 					  and GPIO15 always zero */
2172 	[ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2173 };
2174 
2175 
2176 static const struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2177 	{
2178 		.name = "ooAoo SQ210a",
2179 		.model = "sq210a",
2180 		.eeprom_size = sizeof(ooaoo_sq210_eeprom),
2181 		.eeprom_data = ooaoo_sq210_eeprom,
2182 	},
2183 	{ } /* terminator */
2184 };
2185 
2186 static const struct snd_ice1712_card_info *card_tables[] = {
2187 	snd_vt1724_revo_cards,
2188 	snd_vt1724_amp_cards,
2189 	snd_vt1724_aureon_cards,
2190 	snd_vt1720_mobo_cards,
2191 	snd_vt1720_pontis_cards,
2192 	snd_vt1724_prodigy_hifi_cards,
2193 	snd_vt1724_prodigy192_cards,
2194 	snd_vt1724_juli_cards,
2195 	snd_vt1724_maya44_cards,
2196 	snd_vt1724_phase_cards,
2197 	snd_vt1724_wtm_cards,
2198 	snd_vt1724_se_cards,
2199 	snd_vt1724_qtet_cards,
2200 	snd_vt1724_ooaoo_cards,
2201 	snd_vt1724_psc724_cards,
2202 	NULL,
2203 };
2204 
2205 
2206 /*
2207  */
2208 
2209 static void wait_i2c_busy(struct snd_ice1712 *ice)
2210 {
2211 	int t = 0x10000;
2212 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2213 		;
2214 	if (t == -1)
2215 		dev_err(ice->card->dev, "i2c busy timeout\n");
2216 }
2217 
2218 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2219 				  unsigned char dev, unsigned char addr)
2220 {
2221 	unsigned char val;
2222 
2223 	mutex_lock(&ice->i2c_mutex);
2224 	wait_i2c_busy(ice);
2225 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2226 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2227 	wait_i2c_busy(ice);
2228 	val = inb(ICEREG1724(ice, I2C_DATA));
2229 	mutex_unlock(&ice->i2c_mutex);
2230 	/*
2231 	dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2232 	*/
2233 	return val;
2234 }
2235 
2236 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2237 			  unsigned char dev, unsigned char addr, unsigned char data)
2238 {
2239 	mutex_lock(&ice->i2c_mutex);
2240 	wait_i2c_busy(ice);
2241 	/*
2242 	dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2243 	*/
2244 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2245 	outb(data, ICEREG1724(ice, I2C_DATA));
2246 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2247 	wait_i2c_busy(ice);
2248 	mutex_unlock(&ice->i2c_mutex);
2249 }
2250 
2251 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2252 				  const char *modelname)
2253 {
2254 	const int dev = 0xa0;		/* EEPROM device address */
2255 	unsigned int i, size;
2256 	const struct snd_ice1712_card_info * const *tbl, *c;
2257 
2258 	if (!modelname || !*modelname) {
2259 		ice->eeprom.subvendor = 0;
2260 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2261 			ice->eeprom.subvendor =
2262 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2263 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2264 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2265 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2266 		if (ice->eeprom.subvendor == 0 ||
2267 		    ice->eeprom.subvendor == (unsigned int)-1) {
2268 			/* invalid subvendor from EEPROM, try the PCI
2269 			 * subststem ID instead
2270 			 */
2271 			u16 vendor, device;
2272 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2273 					     &vendor);
2274 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2275 			ice->eeprom.subvendor =
2276 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2277 			if (ice->eeprom.subvendor == 0 ||
2278 			    ice->eeprom.subvendor == (unsigned int)-1) {
2279 				dev_err(ice->card->dev,
2280 					"No valid ID is found\n");
2281 				return -ENXIO;
2282 			}
2283 		}
2284 	}
2285 	for (tbl = card_tables; *tbl; tbl++) {
2286 		for (c = *tbl; c->name; c++) {
2287 			if (modelname && c->model &&
2288 			    !strcmp(modelname, c->model)) {
2289 				dev_info(ice->card->dev,
2290 					 "Using board model %s\n",
2291 				       c->name);
2292 				ice->eeprom.subvendor = c->subvendor;
2293 			} else if (c->subvendor != ice->eeprom.subvendor)
2294 				continue;
2295 			ice->card_info = c;
2296 			if (!c->eeprom_size || !c->eeprom_data)
2297 				goto found;
2298 			/* if the EEPROM is given by the driver, use it */
2299 			dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2300 			ice->eeprom.version = 2;
2301 			ice->eeprom.size = c->eeprom_size + 6;
2302 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2303 			goto read_skipped;
2304 		}
2305 	}
2306 	dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2307 	       ice->eeprom.subvendor);
2308 #ifdef CONFIG_PM_SLEEP
2309 	/* assume AC97-only card which can suspend without additional code */
2310 	ice->pm_suspend_enabled = 1;
2311 #endif
2312 
2313  found:
2314 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2315 	if (ice->eeprom.size < 6)
2316 		ice->eeprom.size = 32;
2317 	else if (ice->eeprom.size > 32) {
2318 		dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2319 		       ice->eeprom.size);
2320 		return -EIO;
2321 	}
2322 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2323 	if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2324 		dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2325 		       ice->eeprom.version);
2326 	size = ice->eeprom.size - 6;
2327 	for (i = 0; i < size; i++)
2328 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2329 
2330  read_skipped:
2331 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2332 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2333 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2334 
2335 	return 0;
2336 }
2337 
2338 
2339 
2340 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2341 {
2342 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2343 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2344 	msleep(10);
2345 	outb(0, ICEREG1724(ice, CONTROL));
2346 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2347 	msleep(10);
2348 }
2349 
2350 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2351 {
2352 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2353 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2354 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2355 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2356 
2357 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2358 	ice->gpio.direction = ice->eeprom.gpiodir;
2359 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2360 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2361 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2362 
2363 	outb(0, ICEREG1724(ice, POWERDOWN));
2364 
2365 	/* MPU_RX and TX irq masks are cleared later dynamically */
2366 	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2367 
2368 	/* don't handle FIFO overrun/underruns (just yet),
2369 	 * since they cause machine lockups
2370 	 */
2371 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2372 
2373 	return 0;
2374 }
2375 
2376 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2377 {
2378 	int err;
2379 	struct snd_kcontrol *kctl;
2380 
2381 	if (snd_BUG_ON(!ice->pcm))
2382 		return -EIO;
2383 
2384 	if (!ice->own_routing) {
2385 		err = snd_ctl_add(ice->card,
2386 			snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2387 		if (err < 0)
2388 			return err;
2389 	}
2390 
2391 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2392 	if (err < 0)
2393 		return err;
2394 
2395 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2396 	if (err < 0)
2397 		return err;
2398 	kctl->id.device = ice->pcm->device;
2399 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2400 	if (err < 0)
2401 		return err;
2402 	kctl->id.device = ice->pcm->device;
2403 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2404 	if (err < 0)
2405 		return err;
2406 	kctl->id.device = ice->pcm->device;
2407 #if 0 /* use default only */
2408 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2409 	if (err < 0)
2410 		return err;
2411 	kctl->id.device = ice->pcm->device;
2412 	ice->spdif.stream_ctl = kctl;
2413 #endif
2414 	return 0;
2415 }
2416 
2417 
2418 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2419 {
2420 	int err;
2421 
2422 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2423 	if (err < 0)
2424 		return err;
2425 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2426 	if (err < 0)
2427 		return err;
2428 
2429 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2430 	if (err < 0)
2431 		return err;
2432 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2433 	if (err < 0)
2434 		return err;
2435 
2436 	if (!ice->own_routing && ice->num_total_dacs > 0) {
2437 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2438 		tmp.count = ice->num_total_dacs;
2439 		if (ice->vt1720 && tmp.count > 2)
2440 			tmp.count = 2;
2441 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2442 		if (err < 0)
2443 			return err;
2444 	}
2445 
2446 	return snd_ctl_add(ice->card,
2447 			   snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2448 }
2449 
2450 static void snd_vt1724_free(struct snd_card *card)
2451 {
2452 	struct snd_ice1712 *ice = card->private_data;
2453 
2454 	/* mask all interrupts */
2455 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2456 	outb(0xff, ICEREG1724(ice, IRQMASK));
2457 
2458 	snd_ice1712_akm4xxx_free(ice);
2459 }
2460 
2461 static int snd_vt1724_create(struct snd_card *card,
2462 			     struct pci_dev *pci,
2463 			     const char *modelname)
2464 {
2465 	struct snd_ice1712 *ice = card->private_data;
2466 	int err;
2467 
2468 	/* enable PCI device */
2469 	err = pcim_enable_device(pci);
2470 	if (err < 0)
2471 		return err;
2472 
2473 	ice->vt1724 = 1;
2474 	spin_lock_init(&ice->reg_lock);
2475 	mutex_init(&ice->gpio_mutex);
2476 	mutex_init(&ice->open_mutex);
2477 	mutex_init(&ice->i2c_mutex);
2478 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2479 	ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2480 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2481 	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2482 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2483 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2484 	ice->card = card;
2485 	ice->pci = pci;
2486 	ice->irq = -1;
2487 	pci_set_master(pci);
2488 	snd_vt1724_proc_init(ice);
2489 
2490 	err = pci_request_regions(pci, "ICE1724");
2491 	if (err < 0)
2492 		return err;
2493 	ice->port = pci_resource_start(pci, 0);
2494 	ice->profi_port = pci_resource_start(pci, 1);
2495 
2496 	if (devm_request_irq(&pci->dev, pci->irq, snd_vt1724_interrupt,
2497 			     IRQF_SHARED, KBUILD_MODNAME, ice)) {
2498 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2499 		return -EIO;
2500 	}
2501 
2502 	ice->irq = pci->irq;
2503 	card->sync_irq = ice->irq;
2504 	card->private_free = snd_vt1724_free;
2505 
2506 	snd_vt1724_chip_reset(ice);
2507 	if (snd_vt1724_read_eeprom(ice, modelname) < 0)
2508 		return -EIO;
2509 	if (snd_vt1724_chip_init(ice) < 0)
2510 		return -EIO;
2511 
2512 	return 0;
2513 }
2514 
2515 
2516 /*
2517  *
2518  * Registration
2519  *
2520  */
2521 
2522 static int __snd_vt1724_probe(struct pci_dev *pci,
2523 			      const struct pci_device_id *pci_id)
2524 {
2525 	static int dev;
2526 	struct snd_card *card;
2527 	struct snd_ice1712 *ice;
2528 	int pcm_dev = 0, err;
2529 	const struct snd_ice1712_card_info *c;
2530 
2531 	if (dev >= SNDRV_CARDS)
2532 		return -ENODEV;
2533 	if (!enable[dev]) {
2534 		dev++;
2535 		return -ENOENT;
2536 	}
2537 
2538 	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2539 				sizeof(*ice), &card);
2540 	if (err < 0)
2541 		return err;
2542 	ice = card->private_data;
2543 
2544 	strcpy(card->driver, "ICE1724");
2545 	strcpy(card->shortname, "ICEnsemble ICE1724");
2546 
2547 	err = snd_vt1724_create(card, pci, model[dev]);
2548 	if (err < 0)
2549 		return err;
2550 
2551 	/* field init before calling chip_init */
2552 	ice->ext_clock_count = 0;
2553 
2554 	c = ice->card_info;
2555 	if (c) {
2556 		strcpy(card->shortname, c->name);
2557 		if (c->driver) /* specific driver? */
2558 			strcpy(card->driver, c->driver);
2559 		if (c->chip_init) {
2560 			err = c->chip_init(ice);
2561 			if (err < 0)
2562 				return err;
2563 		}
2564 	}
2565 
2566 	/*
2567 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2568 	* ICE1712 has only one for both (mixed up).
2569 	*
2570 	* Confusingly the analog PCM is named "professional" here because it
2571 	* was called so in ice1712 driver, and vt1724 driver is derived from
2572 	* ice1712 driver.
2573 	*/
2574 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2575 	if (!ice->is_spdif_master)
2576 		ice->is_spdif_master = stdclock_is_spdif_master;
2577 	if (!ice->get_rate)
2578 		ice->get_rate = stdclock_get_rate;
2579 	if (!ice->set_rate)
2580 		ice->set_rate = stdclock_set_rate;
2581 	if (!ice->set_mclk)
2582 		ice->set_mclk = stdclock_set_mclk;
2583 	if (!ice->set_spdif_clock)
2584 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2585 	if (!ice->get_spdif_master_type)
2586 		ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2587 	if (!ice->ext_clock_names)
2588 		ice->ext_clock_names = ext_clock_names;
2589 	if (!ice->ext_clock_count)
2590 		ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2591 
2592 	if (!ice->hw_rates)
2593 		set_std_hw_rates(ice);
2594 
2595 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2596 	if (err < 0)
2597 		return err;
2598 
2599 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2600 	if (err < 0)
2601 		return err;
2602 
2603 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2604 	if (err < 0)
2605 		return err;
2606 
2607 	err = snd_vt1724_ac97_mixer(ice);
2608 	if (err < 0)
2609 		return err;
2610 
2611 	err = snd_vt1724_build_controls(ice);
2612 	if (err < 0)
2613 		return err;
2614 
2615 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2616 		err = snd_vt1724_spdif_build_controls(ice);
2617 		if (err < 0)
2618 			return err;
2619 	}
2620 
2621 	if (c && c->build_controls) {
2622 		err = c->build_controls(ice);
2623 		if (err < 0)
2624 			return err;
2625 	}
2626 
2627 	if (!c || !c->no_mpu401) {
2628 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2629 			struct snd_rawmidi *rmidi;
2630 
2631 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2632 			if (err < 0)
2633 				return err;
2634 			ice->rmidi[0] = rmidi;
2635 			rmidi->private_data = ice;
2636 			strcpy(rmidi->name, "ICE1724 MIDI");
2637 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2638 					    SNDRV_RAWMIDI_INFO_INPUT |
2639 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2640 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2641 					    &vt1724_midi_output_ops);
2642 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2643 					    &vt1724_midi_input_ops);
2644 
2645 			/* set watermarks */
2646 			outb(VT1724_MPU_RX_FIFO | 0x1,
2647 			     ICEREG1724(ice, MPU_FIFO_WM));
2648 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2649 			/* set UART mode */
2650 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2651 		}
2652 	}
2653 
2654 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2655 		card->shortname, ice->port, ice->irq);
2656 
2657 	err = snd_card_register(card);
2658 	if (err < 0)
2659 		return err;
2660 	pci_set_drvdata(pci, card);
2661 	dev++;
2662 	return 0;
2663 }
2664 
2665 static int snd_vt1724_probe(struct pci_dev *pci,
2666 			    const struct pci_device_id *pci_id)
2667 {
2668 	return snd_card_free_on_error(&pci->dev, __snd_vt1724_probe(pci, pci_id));
2669 }
2670 
2671 #ifdef CONFIG_PM_SLEEP
2672 static int snd_vt1724_suspend(struct device *dev)
2673 {
2674 	struct snd_card *card = dev_get_drvdata(dev);
2675 	struct snd_ice1712 *ice = card->private_data;
2676 
2677 	if (!ice->pm_suspend_enabled)
2678 		return 0;
2679 
2680 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2681 
2682 	snd_ac97_suspend(ice->ac97);
2683 
2684 	spin_lock_irq(&ice->reg_lock);
2685 	ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2686 	ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2687 	ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2688 	ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2689 	spin_unlock_irq(&ice->reg_lock);
2690 
2691 	if (ice->pm_suspend)
2692 		ice->pm_suspend(ice);
2693 	return 0;
2694 }
2695 
2696 static int snd_vt1724_resume(struct device *dev)
2697 {
2698 	struct snd_card *card = dev_get_drvdata(dev);
2699 	struct snd_ice1712 *ice = card->private_data;
2700 
2701 	if (!ice->pm_suspend_enabled)
2702 		return 0;
2703 
2704 	snd_vt1724_chip_reset(ice);
2705 
2706 	if (snd_vt1724_chip_init(ice) < 0) {
2707 		snd_card_disconnect(card);
2708 		return -EIO;
2709 	}
2710 
2711 	if (ice->pm_resume)
2712 		ice->pm_resume(ice);
2713 
2714 	if (ice->pm_saved_is_spdif_master) {
2715 		/* switching to external clock via SPDIF */
2716 		ice->set_spdif_clock(ice, 0);
2717 	} else {
2718 		/* internal on-card clock */
2719 		int rate;
2720 		if (ice->cur_rate)
2721 			rate = ice->cur_rate;
2722 		else
2723 			rate = ice->pro_rate_default;
2724 		snd_vt1724_set_pro_rate(ice, rate, 1);
2725 	}
2726 
2727 	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2728 
2729 	outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2730 	outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2731 
2732 	snd_ac97_resume(ice->ac97);
2733 
2734 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2735 	return 0;
2736 }
2737 
2738 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2739 #define SND_VT1724_PM_OPS	&snd_vt1724_pm
2740 #else
2741 #define SND_VT1724_PM_OPS	NULL
2742 #endif /* CONFIG_PM_SLEEP */
2743 
2744 static struct pci_driver vt1724_driver = {
2745 	.name = KBUILD_MODNAME,
2746 	.id_table = snd_vt1724_ids,
2747 	.probe = snd_vt1724_probe,
2748 	.driver = {
2749 		.pm = SND_VT1724_PM_OPS,
2750 	},
2751 };
2752 
2753 module_pci_driver(vt1724_driver);
2754