xref: /linux/sound/pci/ice1712/ice1724.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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/delay.h>
26 #include <linux/interrupt.h>
27 #include <linux/init.h>
28 #include <linux/pci.h>
29 #include <linux/slab.h>
30 #include <linux/module.h>
31 #include <linux/mutex.h>
32 #include <sound/core.h>
33 #include <sound/info.h>
34 #include <sound/rawmidi.h>
35 #include <sound/initval.h>
36 
37 #include <sound/asoundef.h>
38 
39 #include "ice1712.h"
40 #include "envy24ht.h"
41 
42 /* lowlevel routines */
43 #include "amp.h"
44 #include "revo.h"
45 #include "aureon.h"
46 #include "vt1720_mobo.h"
47 #include "pontis.h"
48 #include "prodigy192.h"
49 #include "prodigy_hifi.h"
50 #include "juli.h"
51 #include "maya44.h"
52 #include "phase.h"
53 #include "wtm.h"
54 #include "se.h"
55 #include "quartet.h"
56 #include "psc724.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 bool 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 const struct pci_device_id 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 const char * const 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 	dev_dbg(ice->card->dev, "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 	dev_dbg(ice->card->dev, "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 			dev_err(ice->card->dev,
434 				"Too long irq loop, status = 0x%x\n", status);
435 			if (status & VT1724_IRQ_MPU_TX) {
436 				dev_err(ice->card->dev, "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 	dev_dbg(ice->card->dev, "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 		dev_dbg(ice->card->dev, "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 		dev_dbg(ice->card->dev, "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 		dev_dbg(ice->card->dev, "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 		dev_dbg(ice->card->dev, "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 /* if the card has the internal rate locked (is_pro_locked), limit runtime
1017    hw rates to the current internal rate only.
1018 */
1019 static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
1020 {
1021 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1022 	struct snd_pcm_runtime *runtime = substream->runtime;
1023 	unsigned int rate;
1024 	if (is_pro_rate_locked(ice)) {
1025 		rate = ice->get_rate(ice);
1026 		if (rate >= runtime->hw.rate_min
1027 		    && rate <= runtime->hw.rate_max) {
1028 			runtime->hw.rate_min = rate;
1029 			runtime->hw.rate_max = rate;
1030 		}
1031 	}
1032 }
1033 
1034 
1035 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1036  * actually used
1037  */
1038 #define VT1724_BUFFER_ALIGN	0x20
1039 
1040 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1041 {
1042 	struct snd_pcm_runtime *runtime = substream->runtime;
1043 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1044 	int chs, num_indeps;
1045 
1046 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
1047 	ice->playback_pro_substream = substream;
1048 	runtime->hw = snd_vt1724_playback_pro;
1049 	snd_pcm_set_sync(substream);
1050 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1051 	set_rate_constraints(ice, substream);
1052 	mutex_lock(&ice->open_mutex);
1053 	/* calculate the currently available channels */
1054 	num_indeps = ice->num_total_dacs / 2 - 1;
1055 	for (chs = 0; chs < num_indeps; chs++) {
1056 		if (ice->pcm_reserved[chs])
1057 			break;
1058 	}
1059 	chs = (chs + 1) * 2;
1060 	runtime->hw.channels_max = chs;
1061 	if (chs > 2) /* channels must be even */
1062 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1063 	mutex_unlock(&ice->open_mutex);
1064 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1065 				   VT1724_BUFFER_ALIGN);
1066 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1067 				   VT1724_BUFFER_ALIGN);
1068 	constrain_rate_if_locked(substream);
1069 	if (ice->pro_open)
1070 		ice->pro_open(ice, substream);
1071 	return 0;
1072 }
1073 
1074 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1075 {
1076 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1077 	struct snd_pcm_runtime *runtime = substream->runtime;
1078 
1079 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
1080 	ice->capture_pro_substream = substream;
1081 	runtime->hw = snd_vt1724_2ch_stereo;
1082 	snd_pcm_set_sync(substream);
1083 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1084 	set_rate_constraints(ice, substream);
1085 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1086 				   VT1724_BUFFER_ALIGN);
1087 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1088 				   VT1724_BUFFER_ALIGN);
1089 	constrain_rate_if_locked(substream);
1090 	if (ice->pro_open)
1091 		ice->pro_open(ice, substream);
1092 	return 0;
1093 }
1094 
1095 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1096 {
1097 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1098 
1099 	if (PRO_RATE_RESET)
1100 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1101 	ice->playback_pro_substream = NULL;
1102 
1103 	return 0;
1104 }
1105 
1106 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1107 {
1108 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1109 
1110 	if (PRO_RATE_RESET)
1111 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1112 	ice->capture_pro_substream = NULL;
1113 	return 0;
1114 }
1115 
1116 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1117 	.open =		snd_vt1724_playback_pro_open,
1118 	.close =	snd_vt1724_playback_pro_close,
1119 	.ioctl =	snd_pcm_lib_ioctl,
1120 	.hw_params =	snd_vt1724_pcm_hw_params,
1121 	.hw_free =	snd_vt1724_pcm_hw_free,
1122 	.prepare =	snd_vt1724_playback_pro_prepare,
1123 	.trigger =	snd_vt1724_pcm_trigger,
1124 	.pointer =	snd_vt1724_playback_pro_pointer,
1125 };
1126 
1127 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1128 	.open =		snd_vt1724_capture_pro_open,
1129 	.close =	snd_vt1724_capture_pro_close,
1130 	.ioctl =	snd_pcm_lib_ioctl,
1131 	.hw_params =	snd_vt1724_pcm_hw_params,
1132 	.hw_free =	snd_vt1724_pcm_hw_free,
1133 	.prepare =	snd_vt1724_pcm_prepare,
1134 	.trigger =	snd_vt1724_pcm_trigger,
1135 	.pointer =	snd_vt1724_pcm_pointer,
1136 };
1137 
1138 static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1139 {
1140 	struct snd_pcm *pcm;
1141 	int capt, err;
1142 
1143 	if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1144 	    VT1724_CFG_ADC_NONE)
1145 		capt = 0;
1146 	else
1147 		capt = 1;
1148 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1149 	if (err < 0)
1150 		return err;
1151 
1152 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1153 	if (capt)
1154 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1155 			&snd_vt1724_capture_pro_ops);
1156 
1157 	pcm->private_data = ice;
1158 	pcm->info_flags = 0;
1159 	strcpy(pcm->name, "ICE1724");
1160 
1161 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1162 					      snd_dma_pci_data(ice->pci),
1163 					      256*1024, 256*1024);
1164 
1165 	ice->pcm_pro = pcm;
1166 
1167 	return 0;
1168 }
1169 
1170 
1171 /*
1172  * SPDIF PCM
1173  */
1174 
1175 /* update spdif control bits; call with reg_lock */
1176 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1177 {
1178 	unsigned char cbit, disabled;
1179 
1180 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1181 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1182 	if (cbit != disabled)
1183 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1184 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1185 	if (cbit != disabled)
1186 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1187 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1188 }
1189 
1190 /* update SPDIF control bits according to the given rate */
1191 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1192 {
1193 	unsigned int val, nval;
1194 	unsigned long flags;
1195 
1196 	spin_lock_irqsave(&ice->reg_lock, flags);
1197 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1198 	nval &= ~(7 << 12);
1199 	switch (rate) {
1200 	case 44100: break;
1201 	case 48000: nval |= 2 << 12; break;
1202 	case 32000: nval |= 3 << 12; break;
1203 	case 88200: nval |= 4 << 12; break;
1204 	case 96000: nval |= 5 << 12; break;
1205 	case 192000: nval |= 6 << 12; break;
1206 	case 176400: nval |= 7 << 12; break;
1207 	}
1208 	if (val != nval)
1209 		update_spdif_bits(ice, nval);
1210 	spin_unlock_irqrestore(&ice->reg_lock, flags);
1211 }
1212 
1213 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1214 {
1215 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1216 	if (!ice->force_pdma4)
1217 		update_spdif_rate(ice, substream->runtime->rate);
1218 	return snd_vt1724_pcm_prepare(substream);
1219 }
1220 
1221 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1222 {
1223 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1224 	struct snd_pcm_runtime *runtime = substream->runtime;
1225 
1226 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1227 	ice->playback_con_substream = substream;
1228 	if (ice->force_pdma4) {
1229 		runtime->hw = snd_vt1724_2ch_stereo;
1230 		set_rate_constraints(ice, substream);
1231 	} else
1232 		runtime->hw = snd_vt1724_spdif;
1233 	snd_pcm_set_sync(substream);
1234 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1235 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1236 				   VT1724_BUFFER_ALIGN);
1237 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1238 				   VT1724_BUFFER_ALIGN);
1239 	constrain_rate_if_locked(substream);
1240 	if (ice->spdif.ops.open)
1241 		ice->spdif.ops.open(ice, substream);
1242 	return 0;
1243 }
1244 
1245 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1246 {
1247 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1248 
1249 	if (PRO_RATE_RESET)
1250 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1251 	ice->playback_con_substream = NULL;
1252 	if (ice->spdif.ops.close)
1253 		ice->spdif.ops.close(ice, substream);
1254 
1255 	return 0;
1256 }
1257 
1258 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1259 {
1260 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1261 	struct snd_pcm_runtime *runtime = substream->runtime;
1262 
1263 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1264 	ice->capture_con_substream = substream;
1265 	if (ice->force_rdma1) {
1266 		runtime->hw = snd_vt1724_2ch_stereo;
1267 		set_rate_constraints(ice, substream);
1268 	} else
1269 		runtime->hw = snd_vt1724_spdif;
1270 	snd_pcm_set_sync(substream);
1271 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1272 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1273 				   VT1724_BUFFER_ALIGN);
1274 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1275 				   VT1724_BUFFER_ALIGN);
1276 	constrain_rate_if_locked(substream);
1277 	if (ice->spdif.ops.open)
1278 		ice->spdif.ops.open(ice, substream);
1279 	return 0;
1280 }
1281 
1282 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1283 {
1284 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1285 
1286 	if (PRO_RATE_RESET)
1287 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1288 	ice->capture_con_substream = NULL;
1289 	if (ice->spdif.ops.close)
1290 		ice->spdif.ops.close(ice, substream);
1291 
1292 	return 0;
1293 }
1294 
1295 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1296 	.open =		snd_vt1724_playback_spdif_open,
1297 	.close =	snd_vt1724_playback_spdif_close,
1298 	.ioctl =	snd_pcm_lib_ioctl,
1299 	.hw_params =	snd_vt1724_pcm_hw_params,
1300 	.hw_free =	snd_vt1724_pcm_hw_free,
1301 	.prepare =	snd_vt1724_playback_spdif_prepare,
1302 	.trigger =	snd_vt1724_pcm_trigger,
1303 	.pointer =	snd_vt1724_pcm_pointer,
1304 };
1305 
1306 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1307 	.open =		snd_vt1724_capture_spdif_open,
1308 	.close =	snd_vt1724_capture_spdif_close,
1309 	.ioctl =	snd_pcm_lib_ioctl,
1310 	.hw_params =	snd_vt1724_pcm_hw_params,
1311 	.hw_free =	snd_vt1724_pcm_hw_free,
1312 	.prepare =	snd_vt1724_pcm_prepare,
1313 	.trigger =	snd_vt1724_pcm_trigger,
1314 	.pointer =	snd_vt1724_pcm_pointer,
1315 };
1316 
1317 
1318 static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1319 {
1320 	char *name;
1321 	struct snd_pcm *pcm;
1322 	int play, capt;
1323 	int err;
1324 
1325 	if (ice->force_pdma4 ||
1326 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1327 		play = 1;
1328 		ice->has_spdif = 1;
1329 	} else
1330 		play = 0;
1331 	if (ice->force_rdma1 ||
1332 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1333 		capt = 1;
1334 		ice->has_spdif = 1;
1335 	} else
1336 		capt = 0;
1337 	if (!play && !capt)
1338 		return 0; /* no spdif device */
1339 
1340 	if (ice->force_pdma4 || ice->force_rdma1)
1341 		name = "ICE1724 Secondary";
1342 	else
1343 		name = "ICE1724 IEC958";
1344 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1345 	if (err < 0)
1346 		return err;
1347 
1348 	if (play)
1349 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1350 				&snd_vt1724_playback_spdif_ops);
1351 	if (capt)
1352 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1353 				&snd_vt1724_capture_spdif_ops);
1354 
1355 	pcm->private_data = ice;
1356 	pcm->info_flags = 0;
1357 	strcpy(pcm->name, name);
1358 
1359 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1360 					      snd_dma_pci_data(ice->pci),
1361 					      256*1024, 256*1024);
1362 
1363 	ice->pcm = pcm;
1364 
1365 	return 0;
1366 }
1367 
1368 
1369 /*
1370  * independent surround PCMs
1371  */
1372 
1373 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1374 	{
1375 		.addr = VT1724_MT_PDMA1_ADDR,
1376 		.size = VT1724_MT_PDMA1_SIZE,
1377 		.count = VT1724_MT_PDMA1_COUNT,
1378 		.start = VT1724_PDMA1_START,
1379 	},
1380 	{
1381 		.addr = VT1724_MT_PDMA2_ADDR,
1382 		.size = VT1724_MT_PDMA2_SIZE,
1383 		.count = VT1724_MT_PDMA2_COUNT,
1384 		.start = VT1724_PDMA2_START,
1385 	},
1386 	{
1387 		.addr = VT1724_MT_PDMA3_ADDR,
1388 		.size = VT1724_MT_PDMA3_SIZE,
1389 		.count = VT1724_MT_PDMA3_COUNT,
1390 		.start = VT1724_PDMA3_START,
1391 	},
1392 };
1393 
1394 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1395 {
1396 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1397 	unsigned char val;
1398 
1399 	spin_lock_irq(&ice->reg_lock);
1400 	val = 3 - substream->number;
1401 	if (inb(ICEMT1724(ice, BURST)) < val)
1402 		outb(val, ICEMT1724(ice, BURST));
1403 	spin_unlock_irq(&ice->reg_lock);
1404 	return snd_vt1724_pcm_prepare(substream);
1405 }
1406 
1407 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1408 {
1409 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1410 	struct snd_pcm_runtime *runtime = substream->runtime;
1411 
1412 	mutex_lock(&ice->open_mutex);
1413 	/* already used by PDMA0? */
1414 	if (ice->pcm_reserved[substream->number]) {
1415 		mutex_unlock(&ice->open_mutex);
1416 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1417 	}
1418 	mutex_unlock(&ice->open_mutex);
1419 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1420 	ice->playback_con_substream_ds[substream->number] = substream;
1421 	runtime->hw = snd_vt1724_2ch_stereo;
1422 	snd_pcm_set_sync(substream);
1423 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1424 	set_rate_constraints(ice, substream);
1425 	return 0;
1426 }
1427 
1428 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1429 {
1430 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1431 
1432 	if (PRO_RATE_RESET)
1433 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1434 	ice->playback_con_substream_ds[substream->number] = NULL;
1435 	ice->pcm_reserved[substream->number] = NULL;
1436 
1437 	return 0;
1438 }
1439 
1440 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1441 	.open =		snd_vt1724_playback_indep_open,
1442 	.close =	snd_vt1724_playback_indep_close,
1443 	.ioctl =	snd_pcm_lib_ioctl,
1444 	.hw_params =	snd_vt1724_pcm_hw_params,
1445 	.hw_free =	snd_vt1724_pcm_hw_free,
1446 	.prepare =	snd_vt1724_playback_indep_prepare,
1447 	.trigger =	snd_vt1724_pcm_trigger,
1448 	.pointer =	snd_vt1724_pcm_pointer,
1449 };
1450 
1451 
1452 static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1453 {
1454 	struct snd_pcm *pcm;
1455 	int play;
1456 	int err;
1457 
1458 	play = ice->num_total_dacs / 2 - 1;
1459 	if (play <= 0)
1460 		return 0;
1461 
1462 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1463 	if (err < 0)
1464 		return err;
1465 
1466 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1467 			&snd_vt1724_playback_indep_ops);
1468 
1469 	pcm->private_data = ice;
1470 	pcm->info_flags = 0;
1471 	strcpy(pcm->name, "ICE1724 Surround PCM");
1472 
1473 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1474 					      snd_dma_pci_data(ice->pci),
1475 					      256*1024, 256*1024);
1476 
1477 	ice->pcm_ds = pcm;
1478 
1479 	return 0;
1480 }
1481 
1482 
1483 /*
1484  *  Mixer section
1485  */
1486 
1487 static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1488 {
1489 	int err;
1490 
1491 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1492 		struct snd_ac97_bus *pbus;
1493 		struct snd_ac97_template ac97;
1494 		static struct snd_ac97_bus_ops ops = {
1495 			.write = snd_vt1724_ac97_write,
1496 			.read = snd_vt1724_ac97_read,
1497 		};
1498 
1499 		/* cold reset */
1500 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1501 		mdelay(5); /* FIXME */
1502 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1503 
1504 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1505 		if (err < 0)
1506 			return err;
1507 		memset(&ac97, 0, sizeof(ac97));
1508 		ac97.private_data = ice;
1509 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1510 		if (err < 0)
1511 			dev_warn(ice->card->dev,
1512 				 "cannot initialize pro ac97, skipped\n");
1513 		else
1514 			return 0;
1515 	}
1516 	/* I2S mixer only */
1517 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1518 	return 0;
1519 }
1520 
1521 /*
1522  *
1523  */
1524 
1525 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1526 {
1527 	return (unsigned int)ice->eeprom.data[idx] | \
1528 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1529 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1530 }
1531 
1532 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1533 				 struct snd_info_buffer *buffer)
1534 {
1535 	struct snd_ice1712 *ice = entry->private_data;
1536 	unsigned int idx;
1537 
1538 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1539 	snd_iprintf(buffer, "EEPROM:\n");
1540 
1541 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1542 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1543 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1544 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1545 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1546 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1547 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1548 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1549 		    ice->eeprom.data[ICE_EEP2_I2S]);
1550 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1551 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1552 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1553 		    ice->eeprom.gpiodir);
1554 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1555 		    ice->eeprom.gpiomask);
1556 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1557 		    ice->eeprom.gpiostate);
1558 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1559 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1560 			    idx, ice->eeprom.data[idx]);
1561 
1562 	snd_iprintf(buffer, "\nRegisters:\n");
1563 
1564 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1565 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1566 	for (idx = 0x0; idx < 0x20 ; idx++)
1567 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1568 			    idx, inb(ice->port+idx));
1569 	for (idx = 0x0; idx < 0x30 ; idx++)
1570 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1571 			    idx, inb(ice->profi_port+idx));
1572 }
1573 
1574 static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1575 {
1576 	struct snd_info_entry *entry;
1577 
1578 	if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1579 		snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1580 }
1581 
1582 /*
1583  *
1584  */
1585 
1586 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1587 				  struct snd_ctl_elem_info *uinfo)
1588 {
1589 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1590 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1591 	return 0;
1592 }
1593 
1594 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1595 				 struct snd_ctl_elem_value *ucontrol)
1596 {
1597 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1598 
1599 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1600 	return 0;
1601 }
1602 
1603 static struct snd_kcontrol_new snd_vt1724_eeprom = {
1604 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1605 	.name = "ICE1724 EEPROM",
1606 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1607 	.info = snd_vt1724_eeprom_info,
1608 	.get = snd_vt1724_eeprom_get
1609 };
1610 
1611 /*
1612  */
1613 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1614 				 struct snd_ctl_elem_info *uinfo)
1615 {
1616 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1617 	uinfo->count = 1;
1618 	return 0;
1619 }
1620 
1621 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1622 {
1623 	unsigned int val, rbits;
1624 
1625 	val = diga->status[0] & 0x03; /* professional, non-audio */
1626 	if (val & 0x01) {
1627 		/* professional */
1628 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1629 		    IEC958_AES0_PRO_EMPHASIS_5015)
1630 			val |= 1U << 3;
1631 		rbits = (diga->status[4] >> 3) & 0x0f;
1632 		if (rbits) {
1633 			switch (rbits) {
1634 			case 2: val |= 5 << 12; break; /* 96k */
1635 			case 3: val |= 6 << 12; break; /* 192k */
1636 			case 10: val |= 4 << 12; break; /* 88.2k */
1637 			case 11: val |= 7 << 12; break; /* 176.4k */
1638 			}
1639 		} else {
1640 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1641 			case IEC958_AES0_PRO_FS_44100:
1642 				break;
1643 			case IEC958_AES0_PRO_FS_32000:
1644 				val |= 3U << 12;
1645 				break;
1646 			default:
1647 				val |= 2U << 12;
1648 				break;
1649 			}
1650 		}
1651 	} else {
1652 		/* consumer */
1653 		val |= diga->status[1] & 0x04; /* copyright */
1654 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1655 		    IEC958_AES0_CON_EMPHASIS_5015)
1656 			val |= 1U << 3;
1657 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1658 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1659 	}
1660 	return val;
1661 }
1662 
1663 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1664 {
1665 	memset(diga->status, 0, sizeof(diga->status));
1666 	diga->status[0] = val & 0x03; /* professional, non-audio */
1667 	if (val & 0x01) {
1668 		/* professional */
1669 		if (val & (1U << 3))
1670 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1671 		switch ((val >> 12) & 0x7) {
1672 		case 0:
1673 			break;
1674 		case 2:
1675 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1676 			break;
1677 		default:
1678 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1679 			break;
1680 		}
1681 	} else {
1682 		/* consumer */
1683 		diga->status[0] |= val & (1U << 2); /* copyright */
1684 		if (val & (1U << 3))
1685 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1686 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1687 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1688 	}
1689 }
1690 
1691 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1692 					struct snd_ctl_elem_value *ucontrol)
1693 {
1694 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1695 	unsigned int val;
1696 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1697 	decode_spdif_bits(&ucontrol->value.iec958, val);
1698 	return 0;
1699 }
1700 
1701 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1702 					 struct snd_ctl_elem_value *ucontrol)
1703 {
1704 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1705 	unsigned int val, old;
1706 
1707 	val = encode_spdif_bits(&ucontrol->value.iec958);
1708 	spin_lock_irq(&ice->reg_lock);
1709 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1710 	if (val != old)
1711 		update_spdif_bits(ice, val);
1712 	spin_unlock_irq(&ice->reg_lock);
1713 	return val != old;
1714 }
1715 
1716 static struct snd_kcontrol_new snd_vt1724_spdif_default =
1717 {
1718 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1719 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1720 	.info =		snd_vt1724_spdif_info,
1721 	.get =		snd_vt1724_spdif_default_get,
1722 	.put =		snd_vt1724_spdif_default_put
1723 };
1724 
1725 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1726 				       struct snd_ctl_elem_value *ucontrol)
1727 {
1728 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1729 						     IEC958_AES0_PROFESSIONAL |
1730 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1731 						     IEC958_AES0_CON_EMPHASIS;
1732 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1733 						     IEC958_AES1_CON_CATEGORY;
1734 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1735 	return 0;
1736 }
1737 
1738 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1739 				       struct snd_ctl_elem_value *ucontrol)
1740 {
1741 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1742 						     IEC958_AES0_PROFESSIONAL |
1743 						     IEC958_AES0_PRO_FS |
1744 						     IEC958_AES0_PRO_EMPHASIS;
1745 	return 0;
1746 }
1747 
1748 static struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1749 {
1750 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1751 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1752 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1753 	.info =		snd_vt1724_spdif_info,
1754 	.get =		snd_vt1724_spdif_maskc_get,
1755 };
1756 
1757 static struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1758 {
1759 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1760 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1761 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1762 	.info =		snd_vt1724_spdif_info,
1763 	.get =		snd_vt1724_spdif_maskp_get,
1764 };
1765 
1766 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1767 
1768 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1769 				   struct snd_ctl_elem_value *ucontrol)
1770 {
1771 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1772 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1773 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1774 	return 0;
1775 }
1776 
1777 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1778 				   struct snd_ctl_elem_value *ucontrol)
1779 {
1780 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1781 	unsigned char old, val;
1782 
1783 	spin_lock_irq(&ice->reg_lock);
1784 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1785 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1786 	if (ucontrol->value.integer.value[0])
1787 		val |= VT1724_CFG_SPDIF_OUT_EN;
1788 	if (old != val)
1789 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1790 	spin_unlock_irq(&ice->reg_lock);
1791 	return old != val;
1792 }
1793 
1794 static struct snd_kcontrol_new snd_vt1724_spdif_switch =
1795 {
1796 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1797 	/* FIXME: the following conflict with IEC958 Playback Route */
1798 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1799 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1800 	.info =		snd_vt1724_spdif_sw_info,
1801 	.get =		snd_vt1724_spdif_sw_get,
1802 	.put =		snd_vt1724_spdif_sw_put
1803 };
1804 
1805 
1806 #if 0 /* NOT USED YET */
1807 /*
1808  * GPIO access from extern
1809  */
1810 
1811 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1812 
1813 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1814 			struct snd_ctl_elem_value *ucontrol)
1815 {
1816 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1817 	int shift = kcontrol->private_value & 0xff;
1818 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1819 
1820 	snd_ice1712_save_gpio_status(ice);
1821 	ucontrol->value.integer.value[0] =
1822 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1823 	snd_ice1712_restore_gpio_status(ice);
1824 	return 0;
1825 }
1826 
1827 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1828 			 struct snd_ctl_elem_value *ucontrol)
1829 {
1830 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1831 	int shift = kcontrol->private_value & 0xff;
1832 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1833 	unsigned int val, nval;
1834 
1835 	if (kcontrol->private_value & (1 << 31))
1836 		return -EPERM;
1837 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1838 	snd_ice1712_save_gpio_status(ice);
1839 	val = snd_ice1712_gpio_read(ice);
1840 	nval |= val & ~(1 << shift);
1841 	if (val != nval)
1842 		snd_ice1712_gpio_write(ice, nval);
1843 	snd_ice1712_restore_gpio_status(ice);
1844 	return val != nval;
1845 }
1846 #endif /* NOT USED YET */
1847 
1848 /*
1849  *  rate
1850  */
1851 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1852 					      struct snd_ctl_elem_info *uinfo)
1853 {
1854 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1855 	int hw_rates_count = ice->hw_rates->count;
1856 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1857 	uinfo->count = 1;
1858 
1859 	/* internal clocks */
1860 	uinfo->value.enumerated.items = hw_rates_count;
1861 	/* external clocks */
1862 	if (ice->force_rdma1 ||
1863 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1864 		uinfo->value.enumerated.items += ice->ext_clock_count;
1865 	/* upper limit - keep at top */
1866 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1867 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1868 	if (uinfo->value.enumerated.item >= hw_rates_count)
1869 		/* ext_clock items */
1870 		strcpy(uinfo->value.enumerated.name,
1871 				ice->ext_clock_names[
1872 				uinfo->value.enumerated.item - hw_rates_count]);
1873 	else
1874 		/* int clock items */
1875 		sprintf(uinfo->value.enumerated.name, "%d",
1876 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1877 	return 0;
1878 }
1879 
1880 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1881 					     struct snd_ctl_elem_value *ucontrol)
1882 {
1883 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1884 	unsigned int i, rate;
1885 
1886 	spin_lock_irq(&ice->reg_lock);
1887 	if (ice->is_spdif_master(ice)) {
1888 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1889 			ice->get_spdif_master_type(ice);
1890 	} else {
1891 		rate = ice->get_rate(ice);
1892 		ucontrol->value.enumerated.item[0] = 0;
1893 		for (i = 0; i < ice->hw_rates->count; i++) {
1894 			if (ice->hw_rates->list[i] == rate) {
1895 				ucontrol->value.enumerated.item[0] = i;
1896 				break;
1897 			}
1898 		}
1899 	}
1900 	spin_unlock_irq(&ice->reg_lock);
1901 	return 0;
1902 }
1903 
1904 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1905 {
1906 	/* standard external clock - only single type - SPDIF IN */
1907 	return 0;
1908 }
1909 
1910 /* setting clock to external - SPDIF */
1911 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1912 {
1913 	unsigned char oval;
1914 	unsigned char i2s_oval;
1915 	oval = inb(ICEMT1724(ice, RATE));
1916 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1917 	/* setting 256fs */
1918 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1919 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1920 	return 0;
1921 }
1922 
1923 
1924 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1925 					     struct snd_ctl_elem_value *ucontrol)
1926 {
1927 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1928 	unsigned int old_rate, new_rate;
1929 	unsigned int item = ucontrol->value.enumerated.item[0];
1930 	unsigned int first_ext_clock = ice->hw_rates->count;
1931 
1932 	if (item >  first_ext_clock + ice->ext_clock_count - 1)
1933 		return -EINVAL;
1934 
1935 	/* if rate = 0 => external clock */
1936 	spin_lock_irq(&ice->reg_lock);
1937 	if (ice->is_spdif_master(ice))
1938 		old_rate = 0;
1939 	else
1940 		old_rate = ice->get_rate(ice);
1941 	if (item >= first_ext_clock) {
1942 		/* switching to external clock */
1943 		ice->set_spdif_clock(ice, item - first_ext_clock);
1944 		new_rate = 0;
1945 	} else {
1946 		/* internal on-card clock */
1947 		new_rate = ice->hw_rates->list[item];
1948 		ice->pro_rate_default = new_rate;
1949 		spin_unlock_irq(&ice->reg_lock);
1950 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1951 		spin_lock_irq(&ice->reg_lock);
1952 	}
1953 	spin_unlock_irq(&ice->reg_lock);
1954 
1955 	/* the first switch to the ext. clock mode? */
1956 	if (old_rate != new_rate && !new_rate) {
1957 		/* notify akm chips as well */
1958 		unsigned int i;
1959 		if (ice->gpio.set_pro_rate)
1960 			ice->gpio.set_pro_rate(ice, 0);
1961 		for (i = 0; i < ice->akm_codecs; i++) {
1962 			if (ice->akm[i].ops.set_rate_val)
1963 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1964 		}
1965 	}
1966 	return old_rate != new_rate;
1967 }
1968 
1969 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1970 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1971 	.name = "Multi Track Internal Clock",
1972 	.info = snd_vt1724_pro_internal_clock_info,
1973 	.get = snd_vt1724_pro_internal_clock_get,
1974 	.put = snd_vt1724_pro_internal_clock_put
1975 };
1976 
1977 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1978 
1979 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1980 					   struct snd_ctl_elem_value *ucontrol)
1981 {
1982 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1983 	return 0;
1984 }
1985 
1986 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1987 					   struct snd_ctl_elem_value *ucontrol)
1988 {
1989 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1990 	int change = 0, nval;
1991 
1992 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1993 	spin_lock_irq(&ice->reg_lock);
1994 	change = PRO_RATE_LOCKED != nval;
1995 	PRO_RATE_LOCKED = nval;
1996 	spin_unlock_irq(&ice->reg_lock);
1997 	return change;
1998 }
1999 
2000 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
2001 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2002 	.name = "Multi Track Rate Locking",
2003 	.info = snd_vt1724_pro_rate_locking_info,
2004 	.get = snd_vt1724_pro_rate_locking_get,
2005 	.put = snd_vt1724_pro_rate_locking_put
2006 };
2007 
2008 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
2009 
2010 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
2011 					 struct snd_ctl_elem_value *ucontrol)
2012 {
2013 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
2014 	return 0;
2015 }
2016 
2017 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
2018 					 struct snd_ctl_elem_value *ucontrol)
2019 {
2020 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2021 	int change = 0, nval;
2022 
2023 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
2024 	spin_lock_irq(&ice->reg_lock);
2025 	change = PRO_RATE_RESET != nval;
2026 	PRO_RATE_RESET = nval;
2027 	spin_unlock_irq(&ice->reg_lock);
2028 	return change;
2029 }
2030 
2031 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
2032 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2033 	.name = "Multi Track Rate Reset",
2034 	.info = snd_vt1724_pro_rate_reset_info,
2035 	.get = snd_vt1724_pro_rate_reset_get,
2036 	.put = snd_vt1724_pro_rate_reset_put
2037 };
2038 
2039 
2040 /*
2041  * routing
2042  */
2043 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2044 				     struct snd_ctl_elem_info *uinfo)
2045 {
2046 	static const char * const texts[] = {
2047 		"PCM Out", /* 0 */
2048 		"H/W In 0", "H/W In 1", /* 1-2 */
2049 		"IEC958 In L", "IEC958 In R", /* 3-4 */
2050 	};
2051 
2052 	return snd_ctl_enum_info(uinfo, 1, 5, texts);
2053 }
2054 
2055 static inline int analog_route_shift(int idx)
2056 {
2057 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2058 }
2059 
2060 static inline int digital_route_shift(int idx)
2061 {
2062 	return idx * 3;
2063 }
2064 
2065 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2066 {
2067 	unsigned long val;
2068 	unsigned char eitem;
2069 	static const unsigned char xlate[8] = {
2070 		0, 255, 1, 2, 255, 255, 3, 4,
2071 	};
2072 
2073 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2074 	val >>= shift;
2075 	val &= 7; /* we now have 3 bits per output */
2076 	eitem = xlate[val];
2077 	if (eitem == 255) {
2078 		snd_BUG();
2079 		return 0;
2080 	}
2081 	return eitem;
2082 }
2083 
2084 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2085 								int shift)
2086 {
2087 	unsigned int old_val, nval;
2088 	int change;
2089 	static const unsigned char xroute[8] = {
2090 		0, /* PCM */
2091 		2, /* PSDIN0 Left */
2092 		3, /* PSDIN0 Right */
2093 		6, /* SPDIN Left */
2094 		7, /* SPDIN Right */
2095 	};
2096 
2097 	nval = xroute[val % 5];
2098 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2099 	val &= ~(0x07 << shift);
2100 	val |= nval << shift;
2101 	change = val != old_val;
2102 	if (change)
2103 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2104 	return change;
2105 }
2106 
2107 static int snd_vt1724_pro_route_analog_get(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 	ucontrol->value.enumerated.item[0] =
2113 		snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2114 	return 0;
2115 }
2116 
2117 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2118 					   struct snd_ctl_elem_value *ucontrol)
2119 {
2120 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2121 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2122 	return snd_ice1724_put_route_val(ice,
2123 					 ucontrol->value.enumerated.item[0],
2124 					 analog_route_shift(idx));
2125 }
2126 
2127 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2128 					  struct snd_ctl_elem_value *ucontrol)
2129 {
2130 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2131 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2132 	ucontrol->value.enumerated.item[0] =
2133 		snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2134 	return 0;
2135 }
2136 
2137 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2138 					  struct snd_ctl_elem_value *ucontrol)
2139 {
2140 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2141 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2142 	return snd_ice1724_put_route_val(ice,
2143 					 ucontrol->value.enumerated.item[0],
2144 					 digital_route_shift(idx));
2145 }
2146 
2147 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2148 {
2149 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2150 	.name = "H/W Playback Route",
2151 	.info = snd_vt1724_pro_route_info,
2152 	.get = snd_vt1724_pro_route_analog_get,
2153 	.put = snd_vt1724_pro_route_analog_put,
2154 };
2155 
2156 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2157 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2158 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2159 	.info = snd_vt1724_pro_route_info,
2160 	.get = snd_vt1724_pro_route_spdif_get,
2161 	.put = snd_vt1724_pro_route_spdif_put,
2162 	.count = 2,
2163 };
2164 
2165 
2166 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2167 				    struct snd_ctl_elem_info *uinfo)
2168 {
2169 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2170 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2171 	uinfo->value.integer.min = 0;
2172 	uinfo->value.integer.max = 255;
2173 	return 0;
2174 }
2175 
2176 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2177 				   struct snd_ctl_elem_value *ucontrol)
2178 {
2179 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2180 	int idx;
2181 
2182 	spin_lock_irq(&ice->reg_lock);
2183 	for (idx = 0; idx < 22; idx++) {
2184 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2185 		ucontrol->value.integer.value[idx] =
2186 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2187 	}
2188 	spin_unlock_irq(&ice->reg_lock);
2189 	return 0;
2190 }
2191 
2192 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2193 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
2194 	.name = "Multi Track Peak",
2195 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2196 	.info = snd_vt1724_pro_peak_info,
2197 	.get = snd_vt1724_pro_peak_get
2198 };
2199 
2200 /*
2201  *
2202  */
2203 
2204 static struct snd_ice1712_card_info no_matched;
2205 
2206 
2207 /*
2208   ooAoo cards with no controls
2209 */
2210 static unsigned char ooaoo_sq210_eeprom[] = {
2211 	[ICE_EEP2_SYSCONF]     = 0x4c,	/* 49MHz crystal, no mpu401, no ADC,
2212 					   1xDACs */
2213 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
2214 	[ICE_EEP2_I2S]         = 0x78,	/* no volume, 96k, 24bit, 192k */
2215 	[ICE_EEP2_SPDIF]       = 0xc1,	/* out-en, out-int, out-ext */
2216 	[ICE_EEP2_GPIO_DIR]    = 0x00,	/* no GPIOs are used */
2217 	[ICE_EEP2_GPIO_DIR1]   = 0x00,
2218 	[ICE_EEP2_GPIO_DIR2]   = 0x00,
2219 	[ICE_EEP2_GPIO_MASK]   = 0xff,
2220 	[ICE_EEP2_GPIO_MASK1]  = 0xff,
2221 	[ICE_EEP2_GPIO_MASK2]  = 0xff,
2222 
2223 	[ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2224 	[ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2225 					  and GPIO15 always zero */
2226 	[ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2227 };
2228 
2229 
2230 static struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2231 	{
2232 		.name = "ooAoo SQ210a",
2233 		.model = "sq210a",
2234 		.eeprom_size = sizeof(ooaoo_sq210_eeprom),
2235 		.eeprom_data = ooaoo_sq210_eeprom,
2236 	},
2237 	{ } /* terminator */
2238 };
2239 
2240 static struct snd_ice1712_card_info *card_tables[] = {
2241 	snd_vt1724_revo_cards,
2242 	snd_vt1724_amp_cards,
2243 	snd_vt1724_aureon_cards,
2244 	snd_vt1720_mobo_cards,
2245 	snd_vt1720_pontis_cards,
2246 	snd_vt1724_prodigy_hifi_cards,
2247 	snd_vt1724_prodigy192_cards,
2248 	snd_vt1724_juli_cards,
2249 	snd_vt1724_maya44_cards,
2250 	snd_vt1724_phase_cards,
2251 	snd_vt1724_wtm_cards,
2252 	snd_vt1724_se_cards,
2253 	snd_vt1724_qtet_cards,
2254 	snd_vt1724_ooaoo_cards,
2255 	snd_vt1724_psc724_cards,
2256 	NULL,
2257 };
2258 
2259 
2260 /*
2261  */
2262 
2263 static void wait_i2c_busy(struct snd_ice1712 *ice)
2264 {
2265 	int t = 0x10000;
2266 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2267 		;
2268 	if (t == -1)
2269 		dev_err(ice->card->dev, "i2c busy timeout\n");
2270 }
2271 
2272 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2273 				  unsigned char dev, unsigned char addr)
2274 {
2275 	unsigned char val;
2276 
2277 	mutex_lock(&ice->i2c_mutex);
2278 	wait_i2c_busy(ice);
2279 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2280 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2281 	wait_i2c_busy(ice);
2282 	val = inb(ICEREG1724(ice, I2C_DATA));
2283 	mutex_unlock(&ice->i2c_mutex);
2284 	/*
2285 	dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2286 	*/
2287 	return val;
2288 }
2289 
2290 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2291 			  unsigned char dev, unsigned char addr, unsigned char data)
2292 {
2293 	mutex_lock(&ice->i2c_mutex);
2294 	wait_i2c_busy(ice);
2295 	/*
2296 	dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2297 	*/
2298 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2299 	outb(data, ICEREG1724(ice, I2C_DATA));
2300 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2301 	wait_i2c_busy(ice);
2302 	mutex_unlock(&ice->i2c_mutex);
2303 }
2304 
2305 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2306 				  const char *modelname)
2307 {
2308 	const int dev = 0xa0;		/* EEPROM device address */
2309 	unsigned int i, size;
2310 	struct snd_ice1712_card_info * const *tbl, *c;
2311 
2312 	if (!modelname || !*modelname) {
2313 		ice->eeprom.subvendor = 0;
2314 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2315 			ice->eeprom.subvendor =
2316 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2317 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2318 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2319 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2320 		if (ice->eeprom.subvendor == 0 ||
2321 		    ice->eeprom.subvendor == (unsigned int)-1) {
2322 			/* invalid subvendor from EEPROM, try the PCI
2323 			 * subststem ID instead
2324 			 */
2325 			u16 vendor, device;
2326 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2327 					     &vendor);
2328 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2329 			ice->eeprom.subvendor =
2330 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2331 			if (ice->eeprom.subvendor == 0 ||
2332 			    ice->eeprom.subvendor == (unsigned int)-1) {
2333 				dev_err(ice->card->dev,
2334 					"No valid ID is found\n");
2335 				return -ENXIO;
2336 			}
2337 		}
2338 	}
2339 	for (tbl = card_tables; *tbl; tbl++) {
2340 		for (c = *tbl; c->name; c++) {
2341 			if (modelname && c->model &&
2342 			    !strcmp(modelname, c->model)) {
2343 				dev_info(ice->card->dev,
2344 					 "Using board model %s\n",
2345 				       c->name);
2346 				ice->eeprom.subvendor = c->subvendor;
2347 			} else if (c->subvendor != ice->eeprom.subvendor)
2348 				continue;
2349 			ice->card_info = c;
2350 			if (!c->eeprom_size || !c->eeprom_data)
2351 				goto found;
2352 			/* if the EEPROM is given by the driver, use it */
2353 			dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2354 			ice->eeprom.version = 2;
2355 			ice->eeprom.size = c->eeprom_size + 6;
2356 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2357 			goto read_skipped;
2358 		}
2359 	}
2360 	dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2361 	       ice->eeprom.subvendor);
2362 #ifdef CONFIG_PM_SLEEP
2363 	/* assume AC97-only card which can suspend without additional code */
2364 	ice->pm_suspend_enabled = 1;
2365 #endif
2366 
2367  found:
2368 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2369 	if (ice->eeprom.size < 6)
2370 		ice->eeprom.size = 32;
2371 	else if (ice->eeprom.size > 32) {
2372 		dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2373 		       ice->eeprom.size);
2374 		return -EIO;
2375 	}
2376 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2377 	if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2378 		dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2379 		       ice->eeprom.version);
2380 	size = ice->eeprom.size - 6;
2381 	for (i = 0; i < size; i++)
2382 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2383 
2384  read_skipped:
2385 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2386 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2387 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2388 
2389 	return 0;
2390 }
2391 
2392 
2393 
2394 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2395 {
2396 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2397 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2398 	msleep(10);
2399 	outb(0, ICEREG1724(ice, CONTROL));
2400 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2401 	msleep(10);
2402 }
2403 
2404 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2405 {
2406 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2407 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2408 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2409 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2410 
2411 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2412 	ice->gpio.direction = ice->eeprom.gpiodir;
2413 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2414 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2415 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2416 
2417 	outb(0, ICEREG1724(ice, POWERDOWN));
2418 
2419 	/* MPU_RX and TX irq masks are cleared later dynamically */
2420 	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2421 
2422 	/* don't handle FIFO overrun/underruns (just yet),
2423 	 * since they cause machine lockups
2424 	 */
2425 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2426 
2427 	return 0;
2428 }
2429 
2430 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2431 {
2432 	int err;
2433 	struct snd_kcontrol *kctl;
2434 
2435 	if (snd_BUG_ON(!ice->pcm))
2436 		return -EIO;
2437 
2438 	if (!ice->own_routing) {
2439 		err = snd_ctl_add(ice->card,
2440 			snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2441 		if (err < 0)
2442 			return err;
2443 	}
2444 
2445 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2446 	if (err < 0)
2447 		return err;
2448 
2449 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2450 	if (err < 0)
2451 		return err;
2452 	kctl->id.device = ice->pcm->device;
2453 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2454 	if (err < 0)
2455 		return err;
2456 	kctl->id.device = ice->pcm->device;
2457 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2458 	if (err < 0)
2459 		return err;
2460 	kctl->id.device = ice->pcm->device;
2461 #if 0 /* use default only */
2462 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2463 	if (err < 0)
2464 		return err;
2465 	kctl->id.device = ice->pcm->device;
2466 	ice->spdif.stream_ctl = kctl;
2467 #endif
2468 	return 0;
2469 }
2470 
2471 
2472 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2473 {
2474 	int err;
2475 
2476 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2477 	if (err < 0)
2478 		return err;
2479 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2480 	if (err < 0)
2481 		return err;
2482 
2483 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2484 	if (err < 0)
2485 		return err;
2486 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2487 	if (err < 0)
2488 		return err;
2489 
2490 	if (!ice->own_routing && ice->num_total_dacs > 0) {
2491 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2492 		tmp.count = ice->num_total_dacs;
2493 		if (ice->vt1720 && tmp.count > 2)
2494 			tmp.count = 2;
2495 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2496 		if (err < 0)
2497 			return err;
2498 	}
2499 
2500 	return snd_ctl_add(ice->card,
2501 			   snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2502 }
2503 
2504 static int snd_vt1724_free(struct snd_ice1712 *ice)
2505 {
2506 	if (!ice->port)
2507 		goto __hw_end;
2508 	/* mask all interrupts */
2509 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2510 	outb(0xff, ICEREG1724(ice, IRQMASK));
2511 	/* --- */
2512 __hw_end:
2513 	if (ice->irq >= 0)
2514 		free_irq(ice->irq, ice);
2515 	pci_release_regions(ice->pci);
2516 	snd_ice1712_akm4xxx_free(ice);
2517 	pci_disable_device(ice->pci);
2518 	kfree(ice->spec);
2519 	kfree(ice);
2520 	return 0;
2521 }
2522 
2523 static int snd_vt1724_dev_free(struct snd_device *device)
2524 {
2525 	struct snd_ice1712 *ice = device->device_data;
2526 	return snd_vt1724_free(ice);
2527 }
2528 
2529 static int snd_vt1724_create(struct snd_card *card,
2530 			     struct pci_dev *pci,
2531 			     const char *modelname,
2532 			     struct snd_ice1712 **r_ice1712)
2533 {
2534 	struct snd_ice1712 *ice;
2535 	int err;
2536 	static struct snd_device_ops ops = {
2537 		.dev_free =	snd_vt1724_dev_free,
2538 	};
2539 
2540 	*r_ice1712 = NULL;
2541 
2542 	/* enable PCI device */
2543 	err = pci_enable_device(pci);
2544 	if (err < 0)
2545 		return err;
2546 
2547 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2548 	if (ice == NULL) {
2549 		pci_disable_device(pci);
2550 		return -ENOMEM;
2551 	}
2552 	ice->vt1724 = 1;
2553 	spin_lock_init(&ice->reg_lock);
2554 	mutex_init(&ice->gpio_mutex);
2555 	mutex_init(&ice->open_mutex);
2556 	mutex_init(&ice->i2c_mutex);
2557 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2558 	ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2559 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2560 	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2561 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2562 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2563 	ice->card = card;
2564 	ice->pci = pci;
2565 	ice->irq = -1;
2566 	pci_set_master(pci);
2567 	snd_vt1724_proc_init(ice);
2568 	synchronize_irq(pci->irq);
2569 
2570 	card->private_data = ice;
2571 
2572 	err = pci_request_regions(pci, "ICE1724");
2573 	if (err < 0) {
2574 		kfree(ice);
2575 		pci_disable_device(pci);
2576 		return err;
2577 	}
2578 	ice->port = pci_resource_start(pci, 0);
2579 	ice->profi_port = pci_resource_start(pci, 1);
2580 
2581 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2582 			IRQF_SHARED, KBUILD_MODNAME, ice)) {
2583 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2584 		snd_vt1724_free(ice);
2585 		return -EIO;
2586 	}
2587 
2588 	ice->irq = pci->irq;
2589 
2590 	snd_vt1724_chip_reset(ice);
2591 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2592 		snd_vt1724_free(ice);
2593 		return -EIO;
2594 	}
2595 	if (snd_vt1724_chip_init(ice) < 0) {
2596 		snd_vt1724_free(ice);
2597 		return -EIO;
2598 	}
2599 
2600 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2601 	if (err < 0) {
2602 		snd_vt1724_free(ice);
2603 		return err;
2604 	}
2605 
2606 	*r_ice1712 = ice;
2607 	return 0;
2608 }
2609 
2610 
2611 /*
2612  *
2613  * Registration
2614  *
2615  */
2616 
2617 static int snd_vt1724_probe(struct pci_dev *pci,
2618 			    const struct pci_device_id *pci_id)
2619 {
2620 	static int dev;
2621 	struct snd_card *card;
2622 	struct snd_ice1712 *ice;
2623 	int pcm_dev = 0, err;
2624 	struct snd_ice1712_card_info * const *tbl, *c;
2625 
2626 	if (dev >= SNDRV_CARDS)
2627 		return -ENODEV;
2628 	if (!enable[dev]) {
2629 		dev++;
2630 		return -ENOENT;
2631 	}
2632 
2633 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2634 			   0, &card);
2635 	if (err < 0)
2636 		return err;
2637 
2638 	strcpy(card->driver, "ICE1724");
2639 	strcpy(card->shortname, "ICEnsemble ICE1724");
2640 
2641 	err = snd_vt1724_create(card, pci, model[dev], &ice);
2642 	if (err < 0) {
2643 		snd_card_free(card);
2644 		return err;
2645 	}
2646 
2647 	/* field init before calling chip_init */
2648 	ice->ext_clock_count = 0;
2649 
2650 	for (tbl = card_tables; *tbl; tbl++) {
2651 		for (c = *tbl; c->name; c++) {
2652 			if ((model[dev] && c->model &&
2653 			     !strcmp(model[dev], c->model)) ||
2654 			    (c->subvendor == ice->eeprom.subvendor)) {
2655 				strcpy(card->shortname, c->name);
2656 				if (c->driver) /* specific driver? */
2657 					strcpy(card->driver, c->driver);
2658 				if (c->chip_init) {
2659 					err = c->chip_init(ice);
2660 					if (err < 0) {
2661 						snd_card_free(card);
2662 						return err;
2663 					}
2664 				}
2665 				goto __found;
2666 			}
2667 		}
2668 	}
2669 	c = &no_matched;
2670 __found:
2671 	/*
2672 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2673 	* ICE1712 has only one for both (mixed up).
2674 	*
2675 	* Confusingly the analog PCM is named "professional" here because it
2676 	* was called so in ice1712 driver, and vt1724 driver is derived from
2677 	* ice1712 driver.
2678 	*/
2679 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2680 	if (!ice->is_spdif_master)
2681 		ice->is_spdif_master = stdclock_is_spdif_master;
2682 	if (!ice->get_rate)
2683 		ice->get_rate = stdclock_get_rate;
2684 	if (!ice->set_rate)
2685 		ice->set_rate = stdclock_set_rate;
2686 	if (!ice->set_mclk)
2687 		ice->set_mclk = stdclock_set_mclk;
2688 	if (!ice->set_spdif_clock)
2689 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2690 	if (!ice->get_spdif_master_type)
2691 		ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2692 	if (!ice->ext_clock_names)
2693 		ice->ext_clock_names = ext_clock_names;
2694 	if (!ice->ext_clock_count)
2695 		ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2696 
2697 	if (!ice->hw_rates)
2698 		set_std_hw_rates(ice);
2699 
2700 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2701 	if (err < 0) {
2702 		snd_card_free(card);
2703 		return err;
2704 	}
2705 
2706 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2707 	if (err < 0) {
2708 		snd_card_free(card);
2709 		return err;
2710 	}
2711 
2712 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2713 	if (err < 0) {
2714 		snd_card_free(card);
2715 		return err;
2716 	}
2717 
2718 	err = snd_vt1724_ac97_mixer(ice);
2719 	if (err < 0) {
2720 		snd_card_free(card);
2721 		return err;
2722 	}
2723 
2724 	err = snd_vt1724_build_controls(ice);
2725 	if (err < 0) {
2726 		snd_card_free(card);
2727 		return err;
2728 	}
2729 
2730 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2731 		err = snd_vt1724_spdif_build_controls(ice);
2732 		if (err < 0) {
2733 			snd_card_free(card);
2734 			return err;
2735 		}
2736 	}
2737 
2738 	if (c->build_controls) {
2739 		err = c->build_controls(ice);
2740 		if (err < 0) {
2741 			snd_card_free(card);
2742 			return err;
2743 		}
2744 	}
2745 
2746 	if (!c->no_mpu401) {
2747 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2748 			struct snd_rawmidi *rmidi;
2749 
2750 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2751 			if (err < 0) {
2752 				snd_card_free(card);
2753 				return err;
2754 			}
2755 			ice->rmidi[0] = rmidi;
2756 			rmidi->private_data = ice;
2757 			strcpy(rmidi->name, "ICE1724 MIDI");
2758 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2759 					    SNDRV_RAWMIDI_INFO_INPUT |
2760 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2761 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2762 					    &vt1724_midi_output_ops);
2763 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2764 					    &vt1724_midi_input_ops);
2765 
2766 			/* set watermarks */
2767 			outb(VT1724_MPU_RX_FIFO | 0x1,
2768 			     ICEREG1724(ice, MPU_FIFO_WM));
2769 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2770 			/* set UART mode */
2771 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2772 		}
2773 	}
2774 
2775 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2776 		card->shortname, ice->port, ice->irq);
2777 
2778 	err = snd_card_register(card);
2779 	if (err < 0) {
2780 		snd_card_free(card);
2781 		return err;
2782 	}
2783 	pci_set_drvdata(pci, card);
2784 	dev++;
2785 	return 0;
2786 }
2787 
2788 static void snd_vt1724_remove(struct pci_dev *pci)
2789 {
2790 	struct snd_card *card = pci_get_drvdata(pci);
2791 	struct snd_ice1712 *ice = card->private_data;
2792 
2793 	if (ice->card_info && ice->card_info->chip_exit)
2794 		ice->card_info->chip_exit(ice);
2795 	snd_card_free(card);
2796 }
2797 
2798 #ifdef CONFIG_PM_SLEEP
2799 static int snd_vt1724_suspend(struct device *dev)
2800 {
2801 	struct snd_card *card = dev_get_drvdata(dev);
2802 	struct snd_ice1712 *ice = card->private_data;
2803 
2804 	if (!ice->pm_suspend_enabled)
2805 		return 0;
2806 
2807 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2808 
2809 	snd_pcm_suspend_all(ice->pcm);
2810 	snd_pcm_suspend_all(ice->pcm_pro);
2811 	snd_pcm_suspend_all(ice->pcm_ds);
2812 	snd_ac97_suspend(ice->ac97);
2813 
2814 	spin_lock_irq(&ice->reg_lock);
2815 	ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2816 	ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2817 	ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2818 	ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2819 	spin_unlock_irq(&ice->reg_lock);
2820 
2821 	if (ice->pm_suspend)
2822 		ice->pm_suspend(ice);
2823 	return 0;
2824 }
2825 
2826 static int snd_vt1724_resume(struct device *dev)
2827 {
2828 	struct snd_card *card = dev_get_drvdata(dev);
2829 	struct snd_ice1712 *ice = card->private_data;
2830 
2831 	if (!ice->pm_suspend_enabled)
2832 		return 0;
2833 
2834 	snd_vt1724_chip_reset(ice);
2835 
2836 	if (snd_vt1724_chip_init(ice) < 0) {
2837 		snd_card_disconnect(card);
2838 		return -EIO;
2839 	}
2840 
2841 	if (ice->pm_resume)
2842 		ice->pm_resume(ice);
2843 
2844 	if (ice->pm_saved_is_spdif_master) {
2845 		/* switching to external clock via SPDIF */
2846 		ice->set_spdif_clock(ice, 0);
2847 	} else {
2848 		/* internal on-card clock */
2849 		int rate;
2850 		if (ice->cur_rate)
2851 			rate = ice->cur_rate;
2852 		else
2853 			rate = ice->pro_rate_default;
2854 		snd_vt1724_set_pro_rate(ice, rate, 1);
2855 	}
2856 
2857 	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2858 
2859 	outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2860 	outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2861 
2862 	snd_ac97_resume(ice->ac97);
2863 
2864 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2865 	return 0;
2866 }
2867 
2868 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2869 #define SND_VT1724_PM_OPS	&snd_vt1724_pm
2870 #else
2871 #define SND_VT1724_PM_OPS	NULL
2872 #endif /* CONFIG_PM_SLEEP */
2873 
2874 static struct pci_driver vt1724_driver = {
2875 	.name = KBUILD_MODNAME,
2876 	.id_table = snd_vt1724_ids,
2877 	.probe = snd_vt1724_probe,
2878 	.remove = snd_vt1724_remove,
2879 	.driver = {
2880 		.pm = SND_VT1724_PM_OPS,
2881 	},
2882 };
2883 
2884 module_pci_driver(vt1724_driver);
2885