xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision 65341589)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
4  *                   VIA VT1720 (Envy24PT)
5  *
6  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
7  *                    2002 James Stafford <jstafford@ampltd.com>
8  *                    2003 Takashi Iwai <tiwai@suse.de>
9  */
10 
11 #include <linux/delay.h>
12 #include <linux/interrupt.h>
13 #include <linux/init.h>
14 #include <linux/pci.h>
15 #include <linux/slab.h>
16 #include <linux/module.h>
17 #include <linux/mutex.h>
18 #include <sound/core.h>
19 #include <sound/info.h>
20 #include <sound/rawmidi.h>
21 #include <sound/initval.h>
22 
23 #include <sound/asoundef.h>
24 
25 #include "ice1712.h"
26 #include "envy24ht.h"
27 
28 /* lowlevel routines */
29 #include "amp.h"
30 #include "revo.h"
31 #include "aureon.h"
32 #include "vt1720_mobo.h"
33 #include "pontis.h"
34 #include "prodigy192.h"
35 #include "prodigy_hifi.h"
36 #include "juli.h"
37 #include "maya44.h"
38 #include "phase.h"
39 #include "wtm.h"
40 #include "se.h"
41 #include "quartet.h"
42 #include "psc724.h"
43 
44 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
45 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
46 MODULE_LICENSE("GPL");
47 MODULE_SUPPORTED_DEVICE("{"
48 	       REVO_DEVICE_DESC
49 	       AMP_AUDIO2000_DEVICE_DESC
50 	       AUREON_DEVICE_DESC
51 	       VT1720_MOBO_DEVICE_DESC
52 	       PONTIS_DEVICE_DESC
53 	       PRODIGY192_DEVICE_DESC
54 	       PRODIGY_HIFI_DEVICE_DESC
55 	       JULI_DEVICE_DESC
56 	       MAYA44_DEVICE_DESC
57 	       PHASE_DEVICE_DESC
58 	       WTM_DEVICE_DESC
59 	       SE_DEVICE_DESC
60 	       QTET_DEVICE_DESC
61 		"{VIA,VT1720},"
62 		"{VIA,VT1724},"
63 		"{ICEnsemble,Generic ICE1724},"
64 		"{ICEnsemble,Generic Envy24HT}"
65 		"{ICEnsemble,Generic Envy24PT}}");
66 
67 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
68 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
69 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
70 static char *model[SNDRV_CARDS];
71 
72 module_param_array(index, int, NULL, 0444);
73 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
74 module_param_array(id, charp, NULL, 0444);
75 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
76 module_param_array(enable, bool, NULL, 0444);
77 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
78 module_param_array(model, charp, NULL, 0444);
79 MODULE_PARM_DESC(model, "Use the given board model.");
80 
81 
82 /* Both VT1720 and VT1724 have the same PCI IDs */
83 static const struct pci_device_id snd_vt1724_ids[] = {
84 	{ PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 },
85 	{ 0, }
86 };
87 
88 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
89 
90 
91 static int PRO_RATE_LOCKED;
92 static int PRO_RATE_RESET = 1;
93 static unsigned int PRO_RATE_DEFAULT = 44100;
94 
95 static const char * const ext_clock_names[1] = { "IEC958 In" };
96 
97 /*
98  *  Basic I/O
99  */
100 
101 /*
102  *  default rates, default clock routines
103  */
104 
105 /* check whether the clock mode is spdif-in */
106 static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
107 {
108 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
109 }
110 
111 /*
112  * locking rate makes sense only for internal clock mode
113  */
114 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
115 {
116 	return (!ice->is_spdif_master(ice)) && PRO_RATE_LOCKED;
117 }
118 
119 /*
120  * ac97 section
121  */
122 
123 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
124 {
125 	unsigned char old_cmd;
126 	int tm;
127 	for (tm = 0; tm < 0x10000; tm++) {
128 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
129 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
130 			continue;
131 		if (!(old_cmd & VT1724_AC97_READY))
132 			continue;
133 		return old_cmd;
134 	}
135 	dev_dbg(ice->card->dev, "snd_vt1724_ac97_ready: timeout\n");
136 	return old_cmd;
137 }
138 
139 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
140 {
141 	int tm;
142 	for (tm = 0; tm < 0x10000; tm++)
143 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
144 			return 0;
145 	dev_dbg(ice->card->dev, "snd_vt1724_ac97_wait_bit: timeout\n");
146 	return -EIO;
147 }
148 
149 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
150 				  unsigned short reg,
151 				  unsigned short val)
152 {
153 	struct snd_ice1712 *ice = ac97->private_data;
154 	unsigned char old_cmd;
155 
156 	old_cmd = snd_vt1724_ac97_ready(ice);
157 	old_cmd &= ~VT1724_AC97_ID_MASK;
158 	old_cmd |= ac97->num;
159 	outb(reg, ICEMT1724(ice, AC97_INDEX));
160 	outw(val, ICEMT1724(ice, AC97_DATA));
161 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
162 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
163 }
164 
165 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
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 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
175 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
176 		return ~0;
177 	return inw(ICEMT1724(ice, AC97_DATA));
178 }
179 
180 
181 /*
182  * GPIO operations
183  */
184 
185 /* set gpio direction 0 = read, 1 = write */
186 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
187 {
188 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
189 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
190 }
191 
192 /* get gpio direction 0 = read, 1 = write */
193 static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
194 {
195 	return inl(ICEREG1724(ice, GPIO_DIRECTION));
196 }
197 
198 /* set the gpio mask (0 = writable) */
199 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
200 {
201 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
202 	if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
203 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
204 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
205 }
206 
207 static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
208 {
209 	unsigned int mask;
210 	if (!ice->vt1720)
211 		mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
212 	else
213 		mask = 0;
214 	mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
215 	return mask;
216 }
217 
218 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
219 {
220 	outw(data, ICEREG1724(ice, GPIO_DATA));
221 	if (!ice->vt1720)
222 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
223 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
224 }
225 
226 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
227 {
228 	unsigned int data;
229 	if (!ice->vt1720)
230 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
231 	else
232 		data = 0;
233 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
234 	return data;
235 }
236 
237 /*
238  * MIDI
239  */
240 
241 static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
242 {
243 	unsigned int count;
244 
245 	for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
246 		inb(ICEREG1724(ice, MPU_DATA));
247 }
248 
249 static inline struct snd_rawmidi_substream *
250 get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
251 {
252 	return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
253 				struct snd_rawmidi_substream, list);
254 }
255 
256 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
257 
258 static void vt1724_midi_write(struct snd_ice1712 *ice)
259 {
260 	struct snd_rawmidi_substream *s;
261 	int count, i;
262 	u8 buffer[32];
263 
264 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
265 	count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
266 	if (count > 0) {
267 		count = snd_rawmidi_transmit(s, buffer, count);
268 		for (i = 0; i < count; ++i)
269 			outb(buffer[i], ICEREG1724(ice, MPU_DATA));
270 	}
271 	/* mask irq when all bytes have been transmitted.
272 	 * enabled again in output_trigger when the new data comes in.
273 	 */
274 	enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
275 			!snd_rawmidi_transmit_empty(s));
276 }
277 
278 static void vt1724_midi_read(struct snd_ice1712 *ice)
279 {
280 	struct snd_rawmidi_substream *s;
281 	int count, i;
282 	u8 buffer[32];
283 
284 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
285 	count = inb(ICEREG1724(ice, MPU_RXFIFO));
286 	if (count > 0) {
287 		count = min(count, 32);
288 		for (i = 0; i < count; ++i)
289 			buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
290 		snd_rawmidi_receive(s, buffer, count);
291 	}
292 }
293 
294 /* call with ice->reg_lock */
295 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
296 {
297 	u8 mask = inb(ICEREG1724(ice, IRQMASK));
298 	if (enable)
299 		mask &= ~flag;
300 	else
301 		mask |= flag;
302 	outb(mask, ICEREG1724(ice, IRQMASK));
303 }
304 
305 static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
306 				   u8 flag, int enable)
307 {
308 	struct snd_ice1712 *ice = substream->rmidi->private_data;
309 
310 	spin_lock_irq(&ice->reg_lock);
311 	enable_midi_irq(ice, flag, enable);
312 	spin_unlock_irq(&ice->reg_lock);
313 }
314 
315 static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
316 {
317 	return 0;
318 }
319 
320 static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
321 {
322 	return 0;
323 }
324 
325 static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
326 {
327 	struct snd_ice1712 *ice = s->rmidi->private_data;
328 	unsigned long flags;
329 
330 	spin_lock_irqsave(&ice->reg_lock, flags);
331 	if (up) {
332 		ice->midi_output = 1;
333 		vt1724_midi_write(ice);
334 	} else {
335 		ice->midi_output = 0;
336 		enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
337 	}
338 	spin_unlock_irqrestore(&ice->reg_lock, flags);
339 }
340 
341 static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
342 {
343 	struct snd_ice1712 *ice = s->rmidi->private_data;
344 	unsigned long timeout;
345 
346 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
347 	/* 32 bytes should be transmitted in less than about 12 ms */
348 	timeout = jiffies + msecs_to_jiffies(15);
349 	do {
350 		if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
351 			break;
352 		schedule_timeout_uninterruptible(1);
353 	} while (time_after(timeout, jiffies));
354 }
355 
356 static const struct snd_rawmidi_ops vt1724_midi_output_ops = {
357 	.open = vt1724_midi_output_open,
358 	.close = vt1724_midi_output_close,
359 	.trigger = vt1724_midi_output_trigger,
360 	.drain = vt1724_midi_output_drain,
361 };
362 
363 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
364 {
365 	vt1724_midi_clear_rx(s->rmidi->private_data);
366 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
367 	return 0;
368 }
369 
370 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
371 {
372 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
373 	return 0;
374 }
375 
376 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
377 {
378 	struct snd_ice1712 *ice = s->rmidi->private_data;
379 	unsigned long flags;
380 
381 	spin_lock_irqsave(&ice->reg_lock, flags);
382 	if (up) {
383 		ice->midi_input = 1;
384 		vt1724_midi_read(ice);
385 	} else {
386 		ice->midi_input = 0;
387 	}
388 	spin_unlock_irqrestore(&ice->reg_lock, flags);
389 }
390 
391 static const struct snd_rawmidi_ops vt1724_midi_input_ops = {
392 	.open = vt1724_midi_input_open,
393 	.close = vt1724_midi_input_close,
394 	.trigger = vt1724_midi_input_trigger,
395 };
396 
397 
398 /*
399  *  Interrupt handler
400  */
401 
402 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
403 {
404 	struct snd_ice1712 *ice = dev_id;
405 	unsigned char status;
406 	unsigned char status_mask =
407 		VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
408 	int handled = 0;
409 	int timeout = 0;
410 
411 	while (1) {
412 		status = inb(ICEREG1724(ice, IRQSTAT));
413 		status &= status_mask;
414 		if (status == 0)
415 			break;
416 		spin_lock(&ice->reg_lock);
417 		if (++timeout > 10) {
418 			status = inb(ICEREG1724(ice, IRQSTAT));
419 			dev_err(ice->card->dev,
420 				"Too long irq loop, status = 0x%x\n", status);
421 			if (status & VT1724_IRQ_MPU_TX) {
422 				dev_err(ice->card->dev, "Disabling MPU_TX\n");
423 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
424 			}
425 			spin_unlock(&ice->reg_lock);
426 			break;
427 		}
428 		handled = 1;
429 		if (status & VT1724_IRQ_MPU_TX) {
430 			if (ice->midi_output)
431 				vt1724_midi_write(ice);
432 			else
433 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
434 			/* Due to mysterical reasons, MPU_TX is always
435 			 * generated (and can't be cleared) when a PCM
436 			 * playback is going.  So let's ignore at the
437 			 * next loop.
438 			 */
439 			status_mask &= ~VT1724_IRQ_MPU_TX;
440 		}
441 		if (status & VT1724_IRQ_MPU_RX) {
442 			if (ice->midi_input)
443 				vt1724_midi_read(ice);
444 			else
445 				vt1724_midi_clear_rx(ice);
446 		}
447 		/* ack MPU irq */
448 		outb(status, ICEREG1724(ice, IRQSTAT));
449 		spin_unlock(&ice->reg_lock);
450 		if (status & VT1724_IRQ_MTPCM) {
451 			/*
452 			 * Multi-track PCM
453 			 * PCM assignment are:
454 			 * Playback DMA0 (M/C) = playback_pro_substream
455 			 * Playback DMA1 = playback_con_substream_ds[0]
456 			 * Playback DMA2 = playback_con_substream_ds[1]
457 			 * Playback DMA3 = playback_con_substream_ds[2]
458 			 * Playback DMA4 (SPDIF) = playback_con_substream
459 			 * Record DMA0 = capture_pro_substream
460 			 * Record DMA1 = capture_con_substream
461 			 */
462 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
463 			if (mtstat & VT1724_MULTI_PDMA0) {
464 				if (ice->playback_pro_substream)
465 					snd_pcm_period_elapsed(ice->playback_pro_substream);
466 			}
467 			if (mtstat & VT1724_MULTI_RDMA0) {
468 				if (ice->capture_pro_substream)
469 					snd_pcm_period_elapsed(ice->capture_pro_substream);
470 			}
471 			if (mtstat & VT1724_MULTI_PDMA1) {
472 				if (ice->playback_con_substream_ds[0])
473 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
474 			}
475 			if (mtstat & VT1724_MULTI_PDMA2) {
476 				if (ice->playback_con_substream_ds[1])
477 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
478 			}
479 			if (mtstat & VT1724_MULTI_PDMA3) {
480 				if (ice->playback_con_substream_ds[2])
481 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
482 			}
483 			if (mtstat & VT1724_MULTI_PDMA4) {
484 				if (ice->playback_con_substream)
485 					snd_pcm_period_elapsed(ice->playback_con_substream);
486 			}
487 			if (mtstat & VT1724_MULTI_RDMA1) {
488 				if (ice->capture_con_substream)
489 					snd_pcm_period_elapsed(ice->capture_con_substream);
490 			}
491 			/* ack anyway to avoid freeze */
492 			outb(mtstat, ICEMT1724(ice, IRQ));
493 			/* ought to really handle this properly */
494 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
495 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
496 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
497 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
498 				/* If I don't do this, I get machine lockup due to continual interrupts */
499 			}
500 
501 		}
502 	}
503 	return IRQ_RETVAL(handled);
504 }
505 
506 /*
507  *  PCM code - professional part (multitrack)
508  */
509 
510 static const unsigned int rates[] = {
511 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
512 	32000, 44100, 48000, 64000, 88200, 96000,
513 	176400, 192000,
514 };
515 
516 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
517 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
518 	.list = rates,
519 	.mask = 0,
520 };
521 
522 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
523 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
524 	.list = rates,
525 	.mask = 0,
526 };
527 
528 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
529 	.count = ARRAY_SIZE(rates),
530 	.list = rates,
531 	.mask = 0,
532 };
533 
534 struct vt1724_pcm_reg {
535 	unsigned int addr;	/* ADDR register offset */
536 	unsigned int size;	/* SIZE register offset */
537 	unsigned int count;	/* COUNT register offset */
538 	unsigned int start;	/* start & pause bit */
539 };
540 
541 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
542 {
543 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
544 	unsigned char what;
545 	unsigned char old;
546 	struct snd_pcm_substream *s;
547 
548 	what = 0;
549 	snd_pcm_group_for_each_entry(s, substream) {
550 		if (snd_pcm_substream_chip(s) == ice) {
551 			const struct vt1724_pcm_reg *reg;
552 			reg = s->runtime->private_data;
553 			what |= reg->start;
554 			snd_pcm_trigger_done(s, substream);
555 		}
556 	}
557 
558 	switch (cmd) {
559 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
560 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
561 		spin_lock(&ice->reg_lock);
562 		old = inb(ICEMT1724(ice, DMA_PAUSE));
563 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
564 			old |= what;
565 		else
566 			old &= ~what;
567 		outb(old, ICEMT1724(ice, DMA_PAUSE));
568 		spin_unlock(&ice->reg_lock);
569 		break;
570 
571 	case SNDRV_PCM_TRIGGER_START:
572 	case SNDRV_PCM_TRIGGER_STOP:
573 	case SNDRV_PCM_TRIGGER_SUSPEND:
574 		spin_lock(&ice->reg_lock);
575 		old = inb(ICEMT1724(ice, DMA_CONTROL));
576 		if (cmd == SNDRV_PCM_TRIGGER_START)
577 			old |= what;
578 		else
579 			old &= ~what;
580 		outb(old, ICEMT1724(ice, DMA_CONTROL));
581 		spin_unlock(&ice->reg_lock);
582 		break;
583 
584 	case SNDRV_PCM_TRIGGER_RESUME:
585 		/* apps will have to restart stream */
586 		break;
587 
588 	default:
589 		return -EINVAL;
590 	}
591 	return 0;
592 }
593 
594 /*
595  */
596 
597 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
598 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
599 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
600 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
601 
602 static const unsigned int stdclock_rate_list[16] = {
603 	48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
604 	22050, 11025, 88200, 176400, 0, 192000, 64000
605 };
606 
607 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
608 {
609 	return stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
610 }
611 
612 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
613 {
614 	int i;
615 	for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
616 		if (stdclock_rate_list[i] == rate) {
617 			outb(i, ICEMT1724(ice, RATE));
618 			return;
619 		}
620 	}
621 }
622 
623 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
624 				       unsigned int rate)
625 {
626 	unsigned char val, old;
627 	/* check MT02 */
628 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
629 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
630 		if (rate > 96000)
631 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
632 		else
633 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
634 		if (val != old) {
635 			outb(val, ICEMT1724(ice, I2S_FORMAT));
636 			/* master clock changed */
637 			return 1;
638 		}
639 	}
640 	/* no change in master clock */
641 	return 0;
642 }
643 
644 static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
645 				    int force)
646 {
647 	unsigned long flags;
648 	unsigned char mclk_change;
649 	unsigned int i, old_rate;
650 
651 	if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
652 		return -EINVAL;
653 
654 	spin_lock_irqsave(&ice->reg_lock, flags);
655 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
656 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
657 		/* running? we cannot change the rate now... */
658 		spin_unlock_irqrestore(&ice->reg_lock, flags);
659 		return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
660 	}
661 	if (!force && is_pro_rate_locked(ice)) {
662 		/* comparing required and current rate - makes sense for
663 		 * internal clock only */
664 		spin_unlock_irqrestore(&ice->reg_lock, flags);
665 		return (rate == ice->cur_rate) ? 0 : -EBUSY;
666 	}
667 
668 	if (force || !ice->is_spdif_master(ice)) {
669 		/* force means the rate was switched by ucontrol, otherwise
670 		 * setting clock rate for internal clock mode */
671 		old_rate = ice->get_rate(ice);
672 		if (force || (old_rate != rate))
673 			ice->set_rate(ice, rate);
674 		else if (rate == ice->cur_rate) {
675 			spin_unlock_irqrestore(&ice->reg_lock, flags);
676 			return 0;
677 		}
678 	}
679 
680 	ice->cur_rate = rate;
681 
682 	/* setting master clock */
683 	mclk_change = ice->set_mclk(ice, rate);
684 
685 	spin_unlock_irqrestore(&ice->reg_lock, flags);
686 
687 	if (mclk_change && ice->gpio.i2s_mclk_changed)
688 		ice->gpio.i2s_mclk_changed(ice);
689 	if (ice->gpio.set_pro_rate)
690 		ice->gpio.set_pro_rate(ice, rate);
691 
692 	/* set up codecs */
693 	for (i = 0; i < ice->akm_codecs; i++) {
694 		if (ice->akm[i].ops.set_rate_val)
695 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
696 	}
697 	if (ice->spdif.ops.setup_rate)
698 		ice->spdif.ops.setup_rate(ice, rate);
699 
700 	return 0;
701 }
702 
703 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
704 				    struct snd_pcm_hw_params *hw_params)
705 {
706 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
707 	int i, chs;
708 
709 	chs = params_channels(hw_params);
710 	mutex_lock(&ice->open_mutex);
711 	/* mark surround channels */
712 	if (substream == ice->playback_pro_substream) {
713 		/* PDMA0 can be multi-channel up to 8 */
714 		chs = chs / 2 - 1;
715 		for (i = 0; i < chs; i++) {
716 			if (ice->pcm_reserved[i] &&
717 			    ice->pcm_reserved[i] != substream) {
718 				mutex_unlock(&ice->open_mutex);
719 				return -EBUSY;
720 			}
721 			ice->pcm_reserved[i] = substream;
722 		}
723 		for (; i < 3; i++) {
724 			if (ice->pcm_reserved[i] == substream)
725 				ice->pcm_reserved[i] = NULL;
726 		}
727 	} else {
728 		for (i = 0; i < 3; i++) {
729 			/* check individual playback stream */
730 			if (ice->playback_con_substream_ds[i] == substream) {
731 				if (ice->pcm_reserved[i] &&
732 				    ice->pcm_reserved[i] != substream) {
733 					mutex_unlock(&ice->open_mutex);
734 					return -EBUSY;
735 				}
736 				ice->pcm_reserved[i] = substream;
737 				break;
738 			}
739 		}
740 	}
741 	mutex_unlock(&ice->open_mutex);
742 
743 	return snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
744 }
745 
746 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
747 {
748 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
749 	int i;
750 
751 	mutex_lock(&ice->open_mutex);
752 	/* unmark surround channels */
753 	for (i = 0; i < 3; i++)
754 		if (ice->pcm_reserved[i] == substream)
755 			ice->pcm_reserved[i] = NULL;
756 	mutex_unlock(&ice->open_mutex);
757 	return 0;
758 }
759 
760 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
761 {
762 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
763 	unsigned char val;
764 	unsigned int size;
765 
766 	spin_lock_irq(&ice->reg_lock);
767 	val = (8 - substream->runtime->channels) >> 1;
768 	outb(val, ICEMT1724(ice, BURST));
769 
770 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
771 
772 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
773 	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
774 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
775 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
776 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
777 	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
778 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
779 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
780 
781 	spin_unlock_irq(&ice->reg_lock);
782 
783 	/*
784 	dev_dbg(ice->card->dev, "pro prepare: ch = %d, addr = 0x%x, "
785 	       "buffer = 0x%x, period = 0x%x\n",
786 	       substream->runtime->channels,
787 	       (unsigned int)substream->runtime->dma_addr,
788 	       snd_pcm_lib_buffer_bytes(substream),
789 	       snd_pcm_lib_period_bytes(substream));
790 	*/
791 	return 0;
792 }
793 
794 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
795 {
796 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
797 	size_t ptr;
798 
799 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
800 		return 0;
801 #if 0 /* read PLAYBACK_ADDR */
802 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
803 	if (ptr < substream->runtime->dma_addr) {
804 		dev_dbg(ice->card->dev, "invalid negative ptr\n");
805 		return 0;
806 	}
807 	ptr -= substream->runtime->dma_addr;
808 	ptr = bytes_to_frames(substream->runtime, ptr);
809 	if (ptr >= substream->runtime->buffer_size) {
810 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
811 			   (int)ptr, (int)substream->runtime->period_size);
812 		return 0;
813 	}
814 #else /* read PLAYBACK_SIZE */
815 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
816 	ptr = (ptr + 1) << 2;
817 	ptr = bytes_to_frames(substream->runtime, ptr);
818 	if (!ptr)
819 		;
820 	else if (ptr <= substream->runtime->buffer_size)
821 		ptr = substream->runtime->buffer_size - ptr;
822 	else {
823 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
824 			   (int)ptr, (int)substream->runtime->buffer_size);
825 		ptr = 0;
826 	}
827 #endif
828 	return ptr;
829 }
830 
831 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
832 {
833 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
834 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
835 
836 	spin_lock_irq(&ice->reg_lock);
837 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
838 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
839 	     ice->profi_port + reg->size);
840 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
841 	     ice->profi_port + reg->count);
842 	spin_unlock_irq(&ice->reg_lock);
843 	return 0;
844 }
845 
846 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
847 {
848 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
849 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
850 	size_t ptr;
851 
852 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
853 		return 0;
854 #if 0 /* use ADDR register */
855 	ptr = inl(ice->profi_port + reg->addr);
856 	ptr -= substream->runtime->dma_addr;
857 	return bytes_to_frames(substream->runtime, ptr);
858 #else /* use SIZE register */
859 	ptr = inw(ice->profi_port + reg->size);
860 	ptr = (ptr + 1) << 2;
861 	ptr = bytes_to_frames(substream->runtime, ptr);
862 	if (!ptr)
863 		;
864 	else if (ptr <= substream->runtime->buffer_size)
865 		ptr = substream->runtime->buffer_size - ptr;
866 	else {
867 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
868 			   (int)ptr, (int)substream->runtime->buffer_size);
869 		ptr = 0;
870 	}
871 	return ptr;
872 #endif
873 }
874 
875 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
876 	.addr = VT1724_MT_PLAYBACK_ADDR,
877 	.size = VT1724_MT_PLAYBACK_SIZE,
878 	.count = VT1724_MT_PLAYBACK_COUNT,
879 	.start = VT1724_PDMA0_START,
880 };
881 
882 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
883 	.addr = VT1724_MT_PDMA4_ADDR,
884 	.size = VT1724_MT_PDMA4_SIZE,
885 	.count = VT1724_MT_PDMA4_COUNT,
886 	.start = VT1724_PDMA4_START,
887 };
888 
889 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
890 	.addr = VT1724_MT_CAPTURE_ADDR,
891 	.size = VT1724_MT_CAPTURE_SIZE,
892 	.count = VT1724_MT_CAPTURE_COUNT,
893 	.start = VT1724_RDMA0_START,
894 };
895 
896 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
897 	.addr = VT1724_MT_RDMA1_ADDR,
898 	.size = VT1724_MT_RDMA1_SIZE,
899 	.count = VT1724_MT_RDMA1_COUNT,
900 	.start = VT1724_RDMA1_START,
901 };
902 
903 #define vt1724_playback_pro_reg vt1724_pdma0_reg
904 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
905 #define vt1724_capture_pro_reg vt1724_rdma0_reg
906 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
907 
908 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
909 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
910 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
911 				 SNDRV_PCM_INFO_MMAP_VALID |
912 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
913 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
914 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
915 	.rate_min =		8000,
916 	.rate_max =		192000,
917 	.channels_min =		2,
918 	.channels_max =		8,
919 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
920 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
921 	.period_bytes_max =	(1UL << 21),
922 	.periods_min =		2,
923 	.periods_max =		1024,
924 };
925 
926 static const struct snd_pcm_hardware snd_vt1724_spdif = {
927 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
928 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
929 				 SNDRV_PCM_INFO_MMAP_VALID |
930 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
931 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
932 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
933 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
934 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
935 				 SNDRV_PCM_RATE_192000),
936 	.rate_min =		32000,
937 	.rate_max =		192000,
938 	.channels_min =		2,
939 	.channels_max =		2,
940 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
941 	.period_bytes_min =	2 * 4 * 2,
942 	.period_bytes_max =	(1UL << 18),
943 	.periods_min =		2,
944 	.periods_max =		1024,
945 };
946 
947 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
948 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
949 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
950 				 SNDRV_PCM_INFO_MMAP_VALID |
951 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
952 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
953 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
954 	.rate_min =		8000,
955 	.rate_max =		192000,
956 	.channels_min =		2,
957 	.channels_max =		2,
958 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
959 	.period_bytes_min =	2 * 4 * 2,
960 	.period_bytes_max =	(1UL << 18),
961 	.periods_min =		2,
962 	.periods_max =		1024,
963 };
964 
965 /*
966  * set rate constraints
967  */
968 static void set_std_hw_rates(struct snd_ice1712 *ice)
969 {
970 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
971 		/* I2S */
972 		/* VT1720 doesn't support more than 96kHz */
973 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
974 			ice->hw_rates = &hw_constraints_rates_192;
975 		else
976 			ice->hw_rates = &hw_constraints_rates_96;
977 	} else {
978 		/* ACLINK */
979 		ice->hw_rates = &hw_constraints_rates_48;
980 	}
981 }
982 
983 static int set_rate_constraints(struct snd_ice1712 *ice,
984 				struct snd_pcm_substream *substream)
985 {
986 	struct snd_pcm_runtime *runtime = substream->runtime;
987 
988 	runtime->hw.rate_min = ice->hw_rates->list[0];
989 	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
990 	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
991 	return snd_pcm_hw_constraint_list(runtime, 0,
992 					  SNDRV_PCM_HW_PARAM_RATE,
993 					  ice->hw_rates);
994 }
995 
996 /* if the card has the internal rate locked (is_pro_locked), limit runtime
997    hw rates to the current internal rate only.
998 */
999 static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
1000 {
1001 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1002 	struct snd_pcm_runtime *runtime = substream->runtime;
1003 	unsigned int rate;
1004 	if (is_pro_rate_locked(ice)) {
1005 		rate = ice->get_rate(ice);
1006 		if (rate >= runtime->hw.rate_min
1007 		    && rate <= runtime->hw.rate_max) {
1008 			runtime->hw.rate_min = rate;
1009 			runtime->hw.rate_max = rate;
1010 		}
1011 	}
1012 }
1013 
1014 
1015 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1016  * actually used
1017  */
1018 #define VT1724_BUFFER_ALIGN	0x20
1019 
1020 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1021 {
1022 	struct snd_pcm_runtime *runtime = substream->runtime;
1023 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1024 	int chs, num_indeps;
1025 
1026 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
1027 	ice->playback_pro_substream = substream;
1028 	runtime->hw = snd_vt1724_playback_pro;
1029 	snd_pcm_set_sync(substream);
1030 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1031 	set_rate_constraints(ice, substream);
1032 	mutex_lock(&ice->open_mutex);
1033 	/* calculate the currently available channels */
1034 	num_indeps = ice->num_total_dacs / 2 - 1;
1035 	for (chs = 0; chs < num_indeps; chs++) {
1036 		if (ice->pcm_reserved[chs])
1037 			break;
1038 	}
1039 	chs = (chs + 1) * 2;
1040 	runtime->hw.channels_max = chs;
1041 	if (chs > 2) /* channels must be even */
1042 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1043 	mutex_unlock(&ice->open_mutex);
1044 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1045 				   VT1724_BUFFER_ALIGN);
1046 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1047 				   VT1724_BUFFER_ALIGN);
1048 	constrain_rate_if_locked(substream);
1049 	if (ice->pro_open)
1050 		ice->pro_open(ice, substream);
1051 	return 0;
1052 }
1053 
1054 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1055 {
1056 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1057 	struct snd_pcm_runtime *runtime = substream->runtime;
1058 
1059 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
1060 	ice->capture_pro_substream = substream;
1061 	runtime->hw = snd_vt1724_2ch_stereo;
1062 	snd_pcm_set_sync(substream);
1063 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1064 	set_rate_constraints(ice, substream);
1065 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1066 				   VT1724_BUFFER_ALIGN);
1067 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1068 				   VT1724_BUFFER_ALIGN);
1069 	constrain_rate_if_locked(substream);
1070 	if (ice->pro_open)
1071 		ice->pro_open(ice, substream);
1072 	return 0;
1073 }
1074 
1075 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1076 {
1077 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1078 
1079 	if (PRO_RATE_RESET)
1080 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1081 	ice->playback_pro_substream = NULL;
1082 
1083 	return 0;
1084 }
1085 
1086 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1087 {
1088 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1089 
1090 	if (PRO_RATE_RESET)
1091 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1092 	ice->capture_pro_substream = NULL;
1093 	return 0;
1094 }
1095 
1096 static const struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1097 	.open =		snd_vt1724_playback_pro_open,
1098 	.close =	snd_vt1724_playback_pro_close,
1099 	.hw_params =	snd_vt1724_pcm_hw_params,
1100 	.hw_free =	snd_vt1724_pcm_hw_free,
1101 	.prepare =	snd_vt1724_playback_pro_prepare,
1102 	.trigger =	snd_vt1724_pcm_trigger,
1103 	.pointer =	snd_vt1724_playback_pro_pointer,
1104 };
1105 
1106 static const struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1107 	.open =		snd_vt1724_capture_pro_open,
1108 	.close =	snd_vt1724_capture_pro_close,
1109 	.hw_params =	snd_vt1724_pcm_hw_params,
1110 	.hw_free =	snd_vt1724_pcm_hw_free,
1111 	.prepare =	snd_vt1724_pcm_prepare,
1112 	.trigger =	snd_vt1724_pcm_trigger,
1113 	.pointer =	snd_vt1724_pcm_pointer,
1114 };
1115 
1116 static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1117 {
1118 	struct snd_pcm *pcm;
1119 	int capt, err;
1120 
1121 	if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1122 	    VT1724_CFG_ADC_NONE)
1123 		capt = 0;
1124 	else
1125 		capt = 1;
1126 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1127 	if (err < 0)
1128 		return err;
1129 
1130 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1131 	if (capt)
1132 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1133 			&snd_vt1724_capture_pro_ops);
1134 
1135 	pcm->private_data = ice;
1136 	pcm->info_flags = 0;
1137 	strcpy(pcm->name, "ICE1724");
1138 
1139 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1140 				       &ice->pci->dev, 256*1024, 256*1024);
1141 
1142 	ice->pcm_pro = pcm;
1143 
1144 	return 0;
1145 }
1146 
1147 
1148 /*
1149  * SPDIF PCM
1150  */
1151 
1152 /* update spdif control bits; call with reg_lock */
1153 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1154 {
1155 	unsigned char cbit, disabled;
1156 
1157 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1158 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1159 	if (cbit != disabled)
1160 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1161 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1162 	if (cbit != disabled)
1163 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1164 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1165 }
1166 
1167 /* update SPDIF control bits according to the given rate */
1168 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1169 {
1170 	unsigned int val, nval;
1171 	unsigned long flags;
1172 
1173 	spin_lock_irqsave(&ice->reg_lock, flags);
1174 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1175 	nval &= ~(7 << 12);
1176 	switch (rate) {
1177 	case 44100: break;
1178 	case 48000: nval |= 2 << 12; break;
1179 	case 32000: nval |= 3 << 12; break;
1180 	case 88200: nval |= 4 << 12; break;
1181 	case 96000: nval |= 5 << 12; break;
1182 	case 192000: nval |= 6 << 12; break;
1183 	case 176400: nval |= 7 << 12; break;
1184 	}
1185 	if (val != nval)
1186 		update_spdif_bits(ice, nval);
1187 	spin_unlock_irqrestore(&ice->reg_lock, flags);
1188 }
1189 
1190 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1191 {
1192 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1193 	if (!ice->force_pdma4)
1194 		update_spdif_rate(ice, substream->runtime->rate);
1195 	return snd_vt1724_pcm_prepare(substream);
1196 }
1197 
1198 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1199 {
1200 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1201 	struct snd_pcm_runtime *runtime = substream->runtime;
1202 
1203 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1204 	ice->playback_con_substream = substream;
1205 	if (ice->force_pdma4) {
1206 		runtime->hw = snd_vt1724_2ch_stereo;
1207 		set_rate_constraints(ice, substream);
1208 	} else
1209 		runtime->hw = snd_vt1724_spdif;
1210 	snd_pcm_set_sync(substream);
1211 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1212 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1213 				   VT1724_BUFFER_ALIGN);
1214 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1215 				   VT1724_BUFFER_ALIGN);
1216 	constrain_rate_if_locked(substream);
1217 	if (ice->spdif.ops.open)
1218 		ice->spdif.ops.open(ice, substream);
1219 	return 0;
1220 }
1221 
1222 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1223 {
1224 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1225 
1226 	if (PRO_RATE_RESET)
1227 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1228 	ice->playback_con_substream = NULL;
1229 	if (ice->spdif.ops.close)
1230 		ice->spdif.ops.close(ice, substream);
1231 
1232 	return 0;
1233 }
1234 
1235 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1236 {
1237 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1238 	struct snd_pcm_runtime *runtime = substream->runtime;
1239 
1240 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1241 	ice->capture_con_substream = substream;
1242 	if (ice->force_rdma1) {
1243 		runtime->hw = snd_vt1724_2ch_stereo;
1244 		set_rate_constraints(ice, substream);
1245 	} else
1246 		runtime->hw = snd_vt1724_spdif;
1247 	snd_pcm_set_sync(substream);
1248 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1249 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1250 				   VT1724_BUFFER_ALIGN);
1251 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1252 				   VT1724_BUFFER_ALIGN);
1253 	constrain_rate_if_locked(substream);
1254 	if (ice->spdif.ops.open)
1255 		ice->spdif.ops.open(ice, substream);
1256 	return 0;
1257 }
1258 
1259 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1260 {
1261 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1262 
1263 	if (PRO_RATE_RESET)
1264 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1265 	ice->capture_con_substream = NULL;
1266 	if (ice->spdif.ops.close)
1267 		ice->spdif.ops.close(ice, substream);
1268 
1269 	return 0;
1270 }
1271 
1272 static const struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1273 	.open =		snd_vt1724_playback_spdif_open,
1274 	.close =	snd_vt1724_playback_spdif_close,
1275 	.hw_params =	snd_vt1724_pcm_hw_params,
1276 	.hw_free =	snd_vt1724_pcm_hw_free,
1277 	.prepare =	snd_vt1724_playback_spdif_prepare,
1278 	.trigger =	snd_vt1724_pcm_trigger,
1279 	.pointer =	snd_vt1724_pcm_pointer,
1280 };
1281 
1282 static const struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1283 	.open =		snd_vt1724_capture_spdif_open,
1284 	.close =	snd_vt1724_capture_spdif_close,
1285 	.hw_params =	snd_vt1724_pcm_hw_params,
1286 	.hw_free =	snd_vt1724_pcm_hw_free,
1287 	.prepare =	snd_vt1724_pcm_prepare,
1288 	.trigger =	snd_vt1724_pcm_trigger,
1289 	.pointer =	snd_vt1724_pcm_pointer,
1290 };
1291 
1292 
1293 static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1294 {
1295 	char *name;
1296 	struct snd_pcm *pcm;
1297 	int play, capt;
1298 	int err;
1299 
1300 	if (ice->force_pdma4 ||
1301 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1302 		play = 1;
1303 		ice->has_spdif = 1;
1304 	} else
1305 		play = 0;
1306 	if (ice->force_rdma1 ||
1307 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1308 		capt = 1;
1309 		ice->has_spdif = 1;
1310 	} else
1311 		capt = 0;
1312 	if (!play && !capt)
1313 		return 0; /* no spdif device */
1314 
1315 	if (ice->force_pdma4 || ice->force_rdma1)
1316 		name = "ICE1724 Secondary";
1317 	else
1318 		name = "ICE1724 IEC958";
1319 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1320 	if (err < 0)
1321 		return err;
1322 
1323 	if (play)
1324 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1325 				&snd_vt1724_playback_spdif_ops);
1326 	if (capt)
1327 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1328 				&snd_vt1724_capture_spdif_ops);
1329 
1330 	pcm->private_data = ice;
1331 	pcm->info_flags = 0;
1332 	strcpy(pcm->name, name);
1333 
1334 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1335 				       &ice->pci->dev, 256*1024, 256*1024);
1336 
1337 	ice->pcm = pcm;
1338 
1339 	return 0;
1340 }
1341 
1342 
1343 /*
1344  * independent surround PCMs
1345  */
1346 
1347 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1348 	{
1349 		.addr = VT1724_MT_PDMA1_ADDR,
1350 		.size = VT1724_MT_PDMA1_SIZE,
1351 		.count = VT1724_MT_PDMA1_COUNT,
1352 		.start = VT1724_PDMA1_START,
1353 	},
1354 	{
1355 		.addr = VT1724_MT_PDMA2_ADDR,
1356 		.size = VT1724_MT_PDMA2_SIZE,
1357 		.count = VT1724_MT_PDMA2_COUNT,
1358 		.start = VT1724_PDMA2_START,
1359 	},
1360 	{
1361 		.addr = VT1724_MT_PDMA3_ADDR,
1362 		.size = VT1724_MT_PDMA3_SIZE,
1363 		.count = VT1724_MT_PDMA3_COUNT,
1364 		.start = VT1724_PDMA3_START,
1365 	},
1366 };
1367 
1368 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1369 {
1370 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1371 	unsigned char val;
1372 
1373 	spin_lock_irq(&ice->reg_lock);
1374 	val = 3 - substream->number;
1375 	if (inb(ICEMT1724(ice, BURST)) < val)
1376 		outb(val, ICEMT1724(ice, BURST));
1377 	spin_unlock_irq(&ice->reg_lock);
1378 	return snd_vt1724_pcm_prepare(substream);
1379 }
1380 
1381 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1382 {
1383 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1384 	struct snd_pcm_runtime *runtime = substream->runtime;
1385 
1386 	mutex_lock(&ice->open_mutex);
1387 	/* already used by PDMA0? */
1388 	if (ice->pcm_reserved[substream->number]) {
1389 		mutex_unlock(&ice->open_mutex);
1390 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1391 	}
1392 	mutex_unlock(&ice->open_mutex);
1393 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1394 	ice->playback_con_substream_ds[substream->number] = substream;
1395 	runtime->hw = snd_vt1724_2ch_stereo;
1396 	snd_pcm_set_sync(substream);
1397 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1398 	set_rate_constraints(ice, substream);
1399 	return 0;
1400 }
1401 
1402 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1403 {
1404 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1405 
1406 	if (PRO_RATE_RESET)
1407 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1408 	ice->playback_con_substream_ds[substream->number] = NULL;
1409 	ice->pcm_reserved[substream->number] = NULL;
1410 
1411 	return 0;
1412 }
1413 
1414 static const struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1415 	.open =		snd_vt1724_playback_indep_open,
1416 	.close =	snd_vt1724_playback_indep_close,
1417 	.hw_params =	snd_vt1724_pcm_hw_params,
1418 	.hw_free =	snd_vt1724_pcm_hw_free,
1419 	.prepare =	snd_vt1724_playback_indep_prepare,
1420 	.trigger =	snd_vt1724_pcm_trigger,
1421 	.pointer =	snd_vt1724_pcm_pointer,
1422 };
1423 
1424 
1425 static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1426 {
1427 	struct snd_pcm *pcm;
1428 	int play;
1429 	int err;
1430 
1431 	play = ice->num_total_dacs / 2 - 1;
1432 	if (play <= 0)
1433 		return 0;
1434 
1435 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1436 	if (err < 0)
1437 		return err;
1438 
1439 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1440 			&snd_vt1724_playback_indep_ops);
1441 
1442 	pcm->private_data = ice;
1443 	pcm->info_flags = 0;
1444 	strcpy(pcm->name, "ICE1724 Surround PCM");
1445 
1446 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1447 				       &ice->pci->dev, 256*1024, 256*1024);
1448 
1449 	ice->pcm_ds = pcm;
1450 
1451 	return 0;
1452 }
1453 
1454 
1455 /*
1456  *  Mixer section
1457  */
1458 
1459 static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1460 {
1461 	int err;
1462 
1463 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1464 		struct snd_ac97_bus *pbus;
1465 		struct snd_ac97_template ac97;
1466 		static struct snd_ac97_bus_ops ops = {
1467 			.write = snd_vt1724_ac97_write,
1468 			.read = snd_vt1724_ac97_read,
1469 		};
1470 
1471 		/* cold reset */
1472 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1473 		mdelay(5); /* FIXME */
1474 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1475 
1476 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1477 		if (err < 0)
1478 			return err;
1479 		memset(&ac97, 0, sizeof(ac97));
1480 		ac97.private_data = ice;
1481 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1482 		if (err < 0)
1483 			dev_warn(ice->card->dev,
1484 				 "cannot initialize pro ac97, skipped\n");
1485 		else
1486 			return 0;
1487 	}
1488 	/* I2S mixer only */
1489 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1490 	return 0;
1491 }
1492 
1493 /*
1494  *
1495  */
1496 
1497 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1498 {
1499 	return (unsigned int)ice->eeprom.data[idx] | \
1500 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1501 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1502 }
1503 
1504 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1505 				 struct snd_info_buffer *buffer)
1506 {
1507 	struct snd_ice1712 *ice = entry->private_data;
1508 	unsigned int idx;
1509 
1510 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1511 	snd_iprintf(buffer, "EEPROM:\n");
1512 
1513 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1514 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1515 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1516 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1517 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1518 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1519 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1520 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1521 		    ice->eeprom.data[ICE_EEP2_I2S]);
1522 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1523 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1524 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1525 		    ice->eeprom.gpiodir);
1526 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1527 		    ice->eeprom.gpiomask);
1528 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1529 		    ice->eeprom.gpiostate);
1530 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1531 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1532 			    idx, ice->eeprom.data[idx]);
1533 
1534 	snd_iprintf(buffer, "\nRegisters:\n");
1535 
1536 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1537 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1538 	for (idx = 0x0; idx < 0x20 ; idx++)
1539 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1540 			    idx, inb(ice->port+idx));
1541 	for (idx = 0x0; idx < 0x30 ; idx++)
1542 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1543 			    idx, inb(ice->profi_port+idx));
1544 }
1545 
1546 static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1547 {
1548 	snd_card_ro_proc_new(ice->card, "ice1724", ice, snd_vt1724_proc_read);
1549 }
1550 
1551 /*
1552  *
1553  */
1554 
1555 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1556 				  struct snd_ctl_elem_info *uinfo)
1557 {
1558 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1559 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1560 	return 0;
1561 }
1562 
1563 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1564 				 struct snd_ctl_elem_value *ucontrol)
1565 {
1566 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1567 
1568 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1569 	return 0;
1570 }
1571 
1572 static const struct snd_kcontrol_new snd_vt1724_eeprom = {
1573 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1574 	.name = "ICE1724 EEPROM",
1575 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1576 	.info = snd_vt1724_eeprom_info,
1577 	.get = snd_vt1724_eeprom_get
1578 };
1579 
1580 /*
1581  */
1582 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1583 				 struct snd_ctl_elem_info *uinfo)
1584 {
1585 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1586 	uinfo->count = 1;
1587 	return 0;
1588 }
1589 
1590 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1591 {
1592 	unsigned int val, rbits;
1593 
1594 	val = diga->status[0] & 0x03; /* professional, non-audio */
1595 	if (val & 0x01) {
1596 		/* professional */
1597 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1598 		    IEC958_AES0_PRO_EMPHASIS_5015)
1599 			val |= 1U << 3;
1600 		rbits = (diga->status[4] >> 3) & 0x0f;
1601 		if (rbits) {
1602 			switch (rbits) {
1603 			case 2: val |= 5 << 12; break; /* 96k */
1604 			case 3: val |= 6 << 12; break; /* 192k */
1605 			case 10: val |= 4 << 12; break; /* 88.2k */
1606 			case 11: val |= 7 << 12; break; /* 176.4k */
1607 			}
1608 		} else {
1609 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1610 			case IEC958_AES0_PRO_FS_44100:
1611 				break;
1612 			case IEC958_AES0_PRO_FS_32000:
1613 				val |= 3U << 12;
1614 				break;
1615 			default:
1616 				val |= 2U << 12;
1617 				break;
1618 			}
1619 		}
1620 	} else {
1621 		/* consumer */
1622 		val |= diga->status[1] & 0x04; /* copyright */
1623 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1624 		    IEC958_AES0_CON_EMPHASIS_5015)
1625 			val |= 1U << 3;
1626 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1627 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1628 	}
1629 	return val;
1630 }
1631 
1632 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1633 {
1634 	memset(diga->status, 0, sizeof(diga->status));
1635 	diga->status[0] = val & 0x03; /* professional, non-audio */
1636 	if (val & 0x01) {
1637 		/* professional */
1638 		if (val & (1U << 3))
1639 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1640 		switch ((val >> 12) & 0x7) {
1641 		case 0:
1642 			break;
1643 		case 2:
1644 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1645 			break;
1646 		default:
1647 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1648 			break;
1649 		}
1650 	} else {
1651 		/* consumer */
1652 		diga->status[0] |= val & (1U << 2); /* copyright */
1653 		if (val & (1U << 3))
1654 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1655 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1656 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1657 	}
1658 }
1659 
1660 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1661 					struct snd_ctl_elem_value *ucontrol)
1662 {
1663 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1664 	unsigned int val;
1665 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1666 	decode_spdif_bits(&ucontrol->value.iec958, val);
1667 	return 0;
1668 }
1669 
1670 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1671 					 struct snd_ctl_elem_value *ucontrol)
1672 {
1673 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1674 	unsigned int val, old;
1675 
1676 	val = encode_spdif_bits(&ucontrol->value.iec958);
1677 	spin_lock_irq(&ice->reg_lock);
1678 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1679 	if (val != old)
1680 		update_spdif_bits(ice, val);
1681 	spin_unlock_irq(&ice->reg_lock);
1682 	return val != old;
1683 }
1684 
1685 static const struct snd_kcontrol_new snd_vt1724_spdif_default =
1686 {
1687 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1688 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1689 	.info =		snd_vt1724_spdif_info,
1690 	.get =		snd_vt1724_spdif_default_get,
1691 	.put =		snd_vt1724_spdif_default_put
1692 };
1693 
1694 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1695 				       struct snd_ctl_elem_value *ucontrol)
1696 {
1697 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1698 						     IEC958_AES0_PROFESSIONAL |
1699 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1700 						     IEC958_AES0_CON_EMPHASIS;
1701 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1702 						     IEC958_AES1_CON_CATEGORY;
1703 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1704 	return 0;
1705 }
1706 
1707 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1708 				       struct snd_ctl_elem_value *ucontrol)
1709 {
1710 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1711 						     IEC958_AES0_PROFESSIONAL |
1712 						     IEC958_AES0_PRO_FS |
1713 						     IEC958_AES0_PRO_EMPHASIS;
1714 	return 0;
1715 }
1716 
1717 static const struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1718 {
1719 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1720 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1721 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1722 	.info =		snd_vt1724_spdif_info,
1723 	.get =		snd_vt1724_spdif_maskc_get,
1724 };
1725 
1726 static const struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1727 {
1728 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1729 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1730 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1731 	.info =		snd_vt1724_spdif_info,
1732 	.get =		snd_vt1724_spdif_maskp_get,
1733 };
1734 
1735 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1736 
1737 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1738 				   struct snd_ctl_elem_value *ucontrol)
1739 {
1740 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1741 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1742 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1743 	return 0;
1744 }
1745 
1746 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1747 				   struct snd_ctl_elem_value *ucontrol)
1748 {
1749 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1750 	unsigned char old, val;
1751 
1752 	spin_lock_irq(&ice->reg_lock);
1753 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1754 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1755 	if (ucontrol->value.integer.value[0])
1756 		val |= VT1724_CFG_SPDIF_OUT_EN;
1757 	if (old != val)
1758 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1759 	spin_unlock_irq(&ice->reg_lock);
1760 	return old != val;
1761 }
1762 
1763 static const struct snd_kcontrol_new snd_vt1724_spdif_switch =
1764 {
1765 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1766 	/* FIXME: the following conflict with IEC958 Playback Route */
1767 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1768 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1769 	.info =		snd_vt1724_spdif_sw_info,
1770 	.get =		snd_vt1724_spdif_sw_get,
1771 	.put =		snd_vt1724_spdif_sw_put
1772 };
1773 
1774 
1775 #if 0 /* NOT USED YET */
1776 /*
1777  * GPIO access from extern
1778  */
1779 
1780 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1781 
1782 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1783 			struct snd_ctl_elem_value *ucontrol)
1784 {
1785 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1786 	int shift = kcontrol->private_value & 0xff;
1787 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1788 
1789 	snd_ice1712_save_gpio_status(ice);
1790 	ucontrol->value.integer.value[0] =
1791 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1792 	snd_ice1712_restore_gpio_status(ice);
1793 	return 0;
1794 }
1795 
1796 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1797 			 struct snd_ctl_elem_value *ucontrol)
1798 {
1799 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1800 	int shift = kcontrol->private_value & 0xff;
1801 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1802 	unsigned int val, nval;
1803 
1804 	if (kcontrol->private_value & (1 << 31))
1805 		return -EPERM;
1806 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1807 	snd_ice1712_save_gpio_status(ice);
1808 	val = snd_ice1712_gpio_read(ice);
1809 	nval |= val & ~(1 << shift);
1810 	if (val != nval)
1811 		snd_ice1712_gpio_write(ice, nval);
1812 	snd_ice1712_restore_gpio_status(ice);
1813 	return val != nval;
1814 }
1815 #endif /* NOT USED YET */
1816 
1817 /*
1818  *  rate
1819  */
1820 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1821 					      struct snd_ctl_elem_info *uinfo)
1822 {
1823 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1824 	int hw_rates_count = ice->hw_rates->count;
1825 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1826 	uinfo->count = 1;
1827 
1828 	/* internal clocks */
1829 	uinfo->value.enumerated.items = hw_rates_count;
1830 	/* external clocks */
1831 	if (ice->force_rdma1 ||
1832 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1833 		uinfo->value.enumerated.items += ice->ext_clock_count;
1834 	/* upper limit - keep at top */
1835 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1836 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1837 	if (uinfo->value.enumerated.item >= hw_rates_count)
1838 		/* ext_clock items */
1839 		strcpy(uinfo->value.enumerated.name,
1840 				ice->ext_clock_names[
1841 				uinfo->value.enumerated.item - hw_rates_count]);
1842 	else
1843 		/* int clock items */
1844 		sprintf(uinfo->value.enumerated.name, "%d",
1845 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1846 	return 0;
1847 }
1848 
1849 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1850 					     struct snd_ctl_elem_value *ucontrol)
1851 {
1852 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1853 	unsigned int i, rate;
1854 
1855 	spin_lock_irq(&ice->reg_lock);
1856 	if (ice->is_spdif_master(ice)) {
1857 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1858 			ice->get_spdif_master_type(ice);
1859 	} else {
1860 		rate = ice->get_rate(ice);
1861 		ucontrol->value.enumerated.item[0] = 0;
1862 		for (i = 0; i < ice->hw_rates->count; i++) {
1863 			if (ice->hw_rates->list[i] == rate) {
1864 				ucontrol->value.enumerated.item[0] = i;
1865 				break;
1866 			}
1867 		}
1868 	}
1869 	spin_unlock_irq(&ice->reg_lock);
1870 	return 0;
1871 }
1872 
1873 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1874 {
1875 	/* standard external clock - only single type - SPDIF IN */
1876 	return 0;
1877 }
1878 
1879 /* setting clock to external - SPDIF */
1880 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1881 {
1882 	unsigned char oval;
1883 	unsigned char i2s_oval;
1884 	oval = inb(ICEMT1724(ice, RATE));
1885 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1886 	/* setting 256fs */
1887 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1888 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1889 	return 0;
1890 }
1891 
1892 
1893 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1894 					     struct snd_ctl_elem_value *ucontrol)
1895 {
1896 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1897 	unsigned int old_rate, new_rate;
1898 	unsigned int item = ucontrol->value.enumerated.item[0];
1899 	unsigned int first_ext_clock = ice->hw_rates->count;
1900 
1901 	if (item >  first_ext_clock + ice->ext_clock_count - 1)
1902 		return -EINVAL;
1903 
1904 	/* if rate = 0 => external clock */
1905 	spin_lock_irq(&ice->reg_lock);
1906 	if (ice->is_spdif_master(ice))
1907 		old_rate = 0;
1908 	else
1909 		old_rate = ice->get_rate(ice);
1910 	if (item >= first_ext_clock) {
1911 		/* switching to external clock */
1912 		ice->set_spdif_clock(ice, item - first_ext_clock);
1913 		new_rate = 0;
1914 	} else {
1915 		/* internal on-card clock */
1916 		new_rate = ice->hw_rates->list[item];
1917 		ice->pro_rate_default = new_rate;
1918 		spin_unlock_irq(&ice->reg_lock);
1919 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1920 		spin_lock_irq(&ice->reg_lock);
1921 	}
1922 	spin_unlock_irq(&ice->reg_lock);
1923 
1924 	/* the first switch to the ext. clock mode? */
1925 	if (old_rate != new_rate && !new_rate) {
1926 		/* notify akm chips as well */
1927 		unsigned int i;
1928 		if (ice->gpio.set_pro_rate)
1929 			ice->gpio.set_pro_rate(ice, 0);
1930 		for (i = 0; i < ice->akm_codecs; i++) {
1931 			if (ice->akm[i].ops.set_rate_val)
1932 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1933 		}
1934 	}
1935 	return old_rate != new_rate;
1936 }
1937 
1938 static const struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1939 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1940 	.name = "Multi Track Internal Clock",
1941 	.info = snd_vt1724_pro_internal_clock_info,
1942 	.get = snd_vt1724_pro_internal_clock_get,
1943 	.put = snd_vt1724_pro_internal_clock_put
1944 };
1945 
1946 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1947 
1948 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1949 					   struct snd_ctl_elem_value *ucontrol)
1950 {
1951 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1952 	return 0;
1953 }
1954 
1955 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1956 					   struct snd_ctl_elem_value *ucontrol)
1957 {
1958 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1959 	int change = 0, nval;
1960 
1961 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1962 	spin_lock_irq(&ice->reg_lock);
1963 	change = PRO_RATE_LOCKED != nval;
1964 	PRO_RATE_LOCKED = nval;
1965 	spin_unlock_irq(&ice->reg_lock);
1966 	return change;
1967 }
1968 
1969 static const struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
1970 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1971 	.name = "Multi Track Rate Locking",
1972 	.info = snd_vt1724_pro_rate_locking_info,
1973 	.get = snd_vt1724_pro_rate_locking_get,
1974 	.put = snd_vt1724_pro_rate_locking_put
1975 };
1976 
1977 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1978 
1979 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1980 					 struct snd_ctl_elem_value *ucontrol)
1981 {
1982 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1983 	return 0;
1984 }
1985 
1986 static int snd_vt1724_pro_rate_reset_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_RESET != nval;
1995 	PRO_RATE_RESET = nval;
1996 	spin_unlock_irq(&ice->reg_lock);
1997 	return change;
1998 }
1999 
2000 static const struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
2001 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2002 	.name = "Multi Track Rate Reset",
2003 	.info = snd_vt1724_pro_rate_reset_info,
2004 	.get = snd_vt1724_pro_rate_reset_get,
2005 	.put = snd_vt1724_pro_rate_reset_put
2006 };
2007 
2008 
2009 /*
2010  * routing
2011  */
2012 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2013 				     struct snd_ctl_elem_info *uinfo)
2014 {
2015 	static const char * const texts[] = {
2016 		"PCM Out", /* 0 */
2017 		"H/W In 0", "H/W In 1", /* 1-2 */
2018 		"IEC958 In L", "IEC958 In R", /* 3-4 */
2019 	};
2020 
2021 	return snd_ctl_enum_info(uinfo, 1, 5, texts);
2022 }
2023 
2024 static inline int analog_route_shift(int idx)
2025 {
2026 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2027 }
2028 
2029 static inline int digital_route_shift(int idx)
2030 {
2031 	return idx * 3;
2032 }
2033 
2034 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2035 {
2036 	unsigned long val;
2037 	unsigned char eitem;
2038 	static const unsigned char xlate[8] = {
2039 		0, 255, 1, 2, 255, 255, 3, 4,
2040 	};
2041 
2042 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2043 	val >>= shift;
2044 	val &= 7; /* we now have 3 bits per output */
2045 	eitem = xlate[val];
2046 	if (eitem == 255) {
2047 		snd_BUG();
2048 		return 0;
2049 	}
2050 	return eitem;
2051 }
2052 
2053 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2054 								int shift)
2055 {
2056 	unsigned int old_val, nval;
2057 	int change;
2058 	static const unsigned char xroute[8] = {
2059 		0, /* PCM */
2060 		2, /* PSDIN0 Left */
2061 		3, /* PSDIN0 Right */
2062 		6, /* SPDIN Left */
2063 		7, /* SPDIN Right */
2064 	};
2065 
2066 	nval = xroute[val % 5];
2067 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2068 	val &= ~(0x07 << shift);
2069 	val |= nval << shift;
2070 	change = val != old_val;
2071 	if (change)
2072 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2073 	return change;
2074 }
2075 
2076 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2077 					   struct snd_ctl_elem_value *ucontrol)
2078 {
2079 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2080 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2081 	ucontrol->value.enumerated.item[0] =
2082 		snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2083 	return 0;
2084 }
2085 
2086 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2087 					   struct snd_ctl_elem_value *ucontrol)
2088 {
2089 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2090 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2091 	return snd_ice1724_put_route_val(ice,
2092 					 ucontrol->value.enumerated.item[0],
2093 					 analog_route_shift(idx));
2094 }
2095 
2096 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2097 					  struct snd_ctl_elem_value *ucontrol)
2098 {
2099 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2100 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2101 	ucontrol->value.enumerated.item[0] =
2102 		snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2103 	return 0;
2104 }
2105 
2106 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2107 					  struct snd_ctl_elem_value *ucontrol)
2108 {
2109 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2110 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2111 	return snd_ice1724_put_route_val(ice,
2112 					 ucontrol->value.enumerated.item[0],
2113 					 digital_route_shift(idx));
2114 }
2115 
2116 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2117 {
2118 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2119 	.name = "H/W Playback Route",
2120 	.info = snd_vt1724_pro_route_info,
2121 	.get = snd_vt1724_pro_route_analog_get,
2122 	.put = snd_vt1724_pro_route_analog_put,
2123 };
2124 
2125 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2126 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2127 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2128 	.info = snd_vt1724_pro_route_info,
2129 	.get = snd_vt1724_pro_route_spdif_get,
2130 	.put = snd_vt1724_pro_route_spdif_put,
2131 	.count = 2,
2132 };
2133 
2134 
2135 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2136 				    struct snd_ctl_elem_info *uinfo)
2137 {
2138 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2139 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2140 	uinfo->value.integer.min = 0;
2141 	uinfo->value.integer.max = 255;
2142 	return 0;
2143 }
2144 
2145 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2146 				   struct snd_ctl_elem_value *ucontrol)
2147 {
2148 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2149 	int idx;
2150 
2151 	spin_lock_irq(&ice->reg_lock);
2152 	for (idx = 0; idx < 22; idx++) {
2153 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2154 		ucontrol->value.integer.value[idx] =
2155 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2156 	}
2157 	spin_unlock_irq(&ice->reg_lock);
2158 	return 0;
2159 }
2160 
2161 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2162 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
2163 	.name = "Multi Track Peak",
2164 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2165 	.info = snd_vt1724_pro_peak_info,
2166 	.get = snd_vt1724_pro_peak_get
2167 };
2168 
2169 /*
2170  *
2171  */
2172 
2173 static struct snd_ice1712_card_info no_matched;
2174 
2175 
2176 /*
2177   ooAoo cards with no controls
2178 */
2179 static unsigned char ooaoo_sq210_eeprom[] = {
2180 	[ICE_EEP2_SYSCONF]     = 0x4c,	/* 49MHz crystal, no mpu401, no ADC,
2181 					   1xDACs */
2182 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
2183 	[ICE_EEP2_I2S]         = 0x78,	/* no volume, 96k, 24bit, 192k */
2184 	[ICE_EEP2_SPDIF]       = 0xc1,	/* out-en, out-int, out-ext */
2185 	[ICE_EEP2_GPIO_DIR]    = 0x00,	/* no GPIOs are used */
2186 	[ICE_EEP2_GPIO_DIR1]   = 0x00,
2187 	[ICE_EEP2_GPIO_DIR2]   = 0x00,
2188 	[ICE_EEP2_GPIO_MASK]   = 0xff,
2189 	[ICE_EEP2_GPIO_MASK1]  = 0xff,
2190 	[ICE_EEP2_GPIO_MASK2]  = 0xff,
2191 
2192 	[ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2193 	[ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2194 					  and GPIO15 always zero */
2195 	[ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2196 };
2197 
2198 
2199 static struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2200 	{
2201 		.name = "ooAoo SQ210a",
2202 		.model = "sq210a",
2203 		.eeprom_size = sizeof(ooaoo_sq210_eeprom),
2204 		.eeprom_data = ooaoo_sq210_eeprom,
2205 	},
2206 	{ } /* terminator */
2207 };
2208 
2209 static struct snd_ice1712_card_info *card_tables[] = {
2210 	snd_vt1724_revo_cards,
2211 	snd_vt1724_amp_cards,
2212 	snd_vt1724_aureon_cards,
2213 	snd_vt1720_mobo_cards,
2214 	snd_vt1720_pontis_cards,
2215 	snd_vt1724_prodigy_hifi_cards,
2216 	snd_vt1724_prodigy192_cards,
2217 	snd_vt1724_juli_cards,
2218 	snd_vt1724_maya44_cards,
2219 	snd_vt1724_phase_cards,
2220 	snd_vt1724_wtm_cards,
2221 	snd_vt1724_se_cards,
2222 	snd_vt1724_qtet_cards,
2223 	snd_vt1724_ooaoo_cards,
2224 	snd_vt1724_psc724_cards,
2225 	NULL,
2226 };
2227 
2228 
2229 /*
2230  */
2231 
2232 static void wait_i2c_busy(struct snd_ice1712 *ice)
2233 {
2234 	int t = 0x10000;
2235 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2236 		;
2237 	if (t == -1)
2238 		dev_err(ice->card->dev, "i2c busy timeout\n");
2239 }
2240 
2241 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2242 				  unsigned char dev, unsigned char addr)
2243 {
2244 	unsigned char val;
2245 
2246 	mutex_lock(&ice->i2c_mutex);
2247 	wait_i2c_busy(ice);
2248 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2249 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2250 	wait_i2c_busy(ice);
2251 	val = inb(ICEREG1724(ice, I2C_DATA));
2252 	mutex_unlock(&ice->i2c_mutex);
2253 	/*
2254 	dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2255 	*/
2256 	return val;
2257 }
2258 
2259 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2260 			  unsigned char dev, unsigned char addr, unsigned char data)
2261 {
2262 	mutex_lock(&ice->i2c_mutex);
2263 	wait_i2c_busy(ice);
2264 	/*
2265 	dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2266 	*/
2267 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2268 	outb(data, ICEREG1724(ice, I2C_DATA));
2269 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2270 	wait_i2c_busy(ice);
2271 	mutex_unlock(&ice->i2c_mutex);
2272 }
2273 
2274 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2275 				  const char *modelname)
2276 {
2277 	const int dev = 0xa0;		/* EEPROM device address */
2278 	unsigned int i, size;
2279 	struct snd_ice1712_card_info * const *tbl, *c;
2280 
2281 	if (!modelname || !*modelname) {
2282 		ice->eeprom.subvendor = 0;
2283 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2284 			ice->eeprom.subvendor =
2285 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2286 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2287 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2288 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2289 		if (ice->eeprom.subvendor == 0 ||
2290 		    ice->eeprom.subvendor == (unsigned int)-1) {
2291 			/* invalid subvendor from EEPROM, try the PCI
2292 			 * subststem ID instead
2293 			 */
2294 			u16 vendor, device;
2295 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2296 					     &vendor);
2297 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2298 			ice->eeprom.subvendor =
2299 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2300 			if (ice->eeprom.subvendor == 0 ||
2301 			    ice->eeprom.subvendor == (unsigned int)-1) {
2302 				dev_err(ice->card->dev,
2303 					"No valid ID is found\n");
2304 				return -ENXIO;
2305 			}
2306 		}
2307 	}
2308 	for (tbl = card_tables; *tbl; tbl++) {
2309 		for (c = *tbl; c->name; c++) {
2310 			if (modelname && c->model &&
2311 			    !strcmp(modelname, c->model)) {
2312 				dev_info(ice->card->dev,
2313 					 "Using board model %s\n",
2314 				       c->name);
2315 				ice->eeprom.subvendor = c->subvendor;
2316 			} else if (c->subvendor != ice->eeprom.subvendor)
2317 				continue;
2318 			ice->card_info = c;
2319 			if (!c->eeprom_size || !c->eeprom_data)
2320 				goto found;
2321 			/* if the EEPROM is given by the driver, use it */
2322 			dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2323 			ice->eeprom.version = 2;
2324 			ice->eeprom.size = c->eeprom_size + 6;
2325 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2326 			goto read_skipped;
2327 		}
2328 	}
2329 	dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2330 	       ice->eeprom.subvendor);
2331 #ifdef CONFIG_PM_SLEEP
2332 	/* assume AC97-only card which can suspend without additional code */
2333 	ice->pm_suspend_enabled = 1;
2334 #endif
2335 
2336  found:
2337 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2338 	if (ice->eeprom.size < 6)
2339 		ice->eeprom.size = 32;
2340 	else if (ice->eeprom.size > 32) {
2341 		dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2342 		       ice->eeprom.size);
2343 		return -EIO;
2344 	}
2345 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2346 	if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2347 		dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2348 		       ice->eeprom.version);
2349 	size = ice->eeprom.size - 6;
2350 	for (i = 0; i < size; i++)
2351 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2352 
2353  read_skipped:
2354 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2355 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2356 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2357 
2358 	return 0;
2359 }
2360 
2361 
2362 
2363 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2364 {
2365 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2366 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2367 	msleep(10);
2368 	outb(0, ICEREG1724(ice, CONTROL));
2369 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2370 	msleep(10);
2371 }
2372 
2373 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2374 {
2375 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2376 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2377 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2378 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2379 
2380 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2381 	ice->gpio.direction = ice->eeprom.gpiodir;
2382 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2383 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2384 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2385 
2386 	outb(0, ICEREG1724(ice, POWERDOWN));
2387 
2388 	/* MPU_RX and TX irq masks are cleared later dynamically */
2389 	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2390 
2391 	/* don't handle FIFO overrun/underruns (just yet),
2392 	 * since they cause machine lockups
2393 	 */
2394 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2395 
2396 	return 0;
2397 }
2398 
2399 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2400 {
2401 	int err;
2402 	struct snd_kcontrol *kctl;
2403 
2404 	if (snd_BUG_ON(!ice->pcm))
2405 		return -EIO;
2406 
2407 	if (!ice->own_routing) {
2408 		err = snd_ctl_add(ice->card,
2409 			snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2410 		if (err < 0)
2411 			return err;
2412 	}
2413 
2414 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2415 	if (err < 0)
2416 		return err;
2417 
2418 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2419 	if (err < 0)
2420 		return err;
2421 	kctl->id.device = ice->pcm->device;
2422 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2423 	if (err < 0)
2424 		return err;
2425 	kctl->id.device = ice->pcm->device;
2426 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2427 	if (err < 0)
2428 		return err;
2429 	kctl->id.device = ice->pcm->device;
2430 #if 0 /* use default only */
2431 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2432 	if (err < 0)
2433 		return err;
2434 	kctl->id.device = ice->pcm->device;
2435 	ice->spdif.stream_ctl = kctl;
2436 #endif
2437 	return 0;
2438 }
2439 
2440 
2441 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2442 {
2443 	int err;
2444 
2445 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2446 	if (err < 0)
2447 		return err;
2448 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2449 	if (err < 0)
2450 		return err;
2451 
2452 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2453 	if (err < 0)
2454 		return err;
2455 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2456 	if (err < 0)
2457 		return err;
2458 
2459 	if (!ice->own_routing && ice->num_total_dacs > 0) {
2460 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2461 		tmp.count = ice->num_total_dacs;
2462 		if (ice->vt1720 && tmp.count > 2)
2463 			tmp.count = 2;
2464 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2465 		if (err < 0)
2466 			return err;
2467 	}
2468 
2469 	return snd_ctl_add(ice->card,
2470 			   snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2471 }
2472 
2473 static int snd_vt1724_free(struct snd_ice1712 *ice)
2474 {
2475 	if (!ice->port)
2476 		goto __hw_end;
2477 	/* mask all interrupts */
2478 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2479 	outb(0xff, ICEREG1724(ice, IRQMASK));
2480 	/* --- */
2481 __hw_end:
2482 	if (ice->irq >= 0)
2483 		free_irq(ice->irq, ice);
2484 	pci_release_regions(ice->pci);
2485 	snd_ice1712_akm4xxx_free(ice);
2486 	pci_disable_device(ice->pci);
2487 	kfree(ice->spec);
2488 	kfree(ice);
2489 	return 0;
2490 }
2491 
2492 static int snd_vt1724_dev_free(struct snd_device *device)
2493 {
2494 	struct snd_ice1712 *ice = device->device_data;
2495 	return snd_vt1724_free(ice);
2496 }
2497 
2498 static int snd_vt1724_create(struct snd_card *card,
2499 			     struct pci_dev *pci,
2500 			     const char *modelname,
2501 			     struct snd_ice1712 **r_ice1712)
2502 {
2503 	struct snd_ice1712 *ice;
2504 	int err;
2505 	static const struct snd_device_ops ops = {
2506 		.dev_free =	snd_vt1724_dev_free,
2507 	};
2508 
2509 	*r_ice1712 = NULL;
2510 
2511 	/* enable PCI device */
2512 	err = pci_enable_device(pci);
2513 	if (err < 0)
2514 		return err;
2515 
2516 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2517 	if (ice == NULL) {
2518 		pci_disable_device(pci);
2519 		return -ENOMEM;
2520 	}
2521 	ice->vt1724 = 1;
2522 	spin_lock_init(&ice->reg_lock);
2523 	mutex_init(&ice->gpio_mutex);
2524 	mutex_init(&ice->open_mutex);
2525 	mutex_init(&ice->i2c_mutex);
2526 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2527 	ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2528 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2529 	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2530 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2531 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2532 	ice->card = card;
2533 	ice->pci = pci;
2534 	ice->irq = -1;
2535 	pci_set_master(pci);
2536 	snd_vt1724_proc_init(ice);
2537 
2538 	card->private_data = ice;
2539 
2540 	err = pci_request_regions(pci, "ICE1724");
2541 	if (err < 0) {
2542 		kfree(ice);
2543 		pci_disable_device(pci);
2544 		return err;
2545 	}
2546 	ice->port = pci_resource_start(pci, 0);
2547 	ice->profi_port = pci_resource_start(pci, 1);
2548 
2549 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2550 			IRQF_SHARED, KBUILD_MODNAME, ice)) {
2551 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2552 		snd_vt1724_free(ice);
2553 		return -EIO;
2554 	}
2555 
2556 	ice->irq = pci->irq;
2557 	card->sync_irq = ice->irq;
2558 
2559 	snd_vt1724_chip_reset(ice);
2560 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2561 		snd_vt1724_free(ice);
2562 		return -EIO;
2563 	}
2564 	if (snd_vt1724_chip_init(ice) < 0) {
2565 		snd_vt1724_free(ice);
2566 		return -EIO;
2567 	}
2568 
2569 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2570 	if (err < 0) {
2571 		snd_vt1724_free(ice);
2572 		return err;
2573 	}
2574 
2575 	*r_ice1712 = ice;
2576 	return 0;
2577 }
2578 
2579 
2580 /*
2581  *
2582  * Registration
2583  *
2584  */
2585 
2586 static int snd_vt1724_probe(struct pci_dev *pci,
2587 			    const struct pci_device_id *pci_id)
2588 {
2589 	static int dev;
2590 	struct snd_card *card;
2591 	struct snd_ice1712 *ice;
2592 	int pcm_dev = 0, err;
2593 	struct snd_ice1712_card_info * const *tbl, *c;
2594 
2595 	if (dev >= SNDRV_CARDS)
2596 		return -ENODEV;
2597 	if (!enable[dev]) {
2598 		dev++;
2599 		return -ENOENT;
2600 	}
2601 
2602 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2603 			   0, &card);
2604 	if (err < 0)
2605 		return err;
2606 
2607 	strcpy(card->driver, "ICE1724");
2608 	strcpy(card->shortname, "ICEnsemble ICE1724");
2609 
2610 	err = snd_vt1724_create(card, pci, model[dev], &ice);
2611 	if (err < 0) {
2612 		snd_card_free(card);
2613 		return err;
2614 	}
2615 
2616 	/* field init before calling chip_init */
2617 	ice->ext_clock_count = 0;
2618 
2619 	for (tbl = card_tables; *tbl; tbl++) {
2620 		for (c = *tbl; c->name; c++) {
2621 			if ((model[dev] && c->model &&
2622 			     !strcmp(model[dev], c->model)) ||
2623 			    (c->subvendor == ice->eeprom.subvendor)) {
2624 				strcpy(card->shortname, c->name);
2625 				if (c->driver) /* specific driver? */
2626 					strcpy(card->driver, c->driver);
2627 				if (c->chip_init) {
2628 					err = c->chip_init(ice);
2629 					if (err < 0) {
2630 						snd_card_free(card);
2631 						return err;
2632 					}
2633 				}
2634 				goto __found;
2635 			}
2636 		}
2637 	}
2638 	c = &no_matched;
2639 __found:
2640 	/*
2641 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2642 	* ICE1712 has only one for both (mixed up).
2643 	*
2644 	* Confusingly the analog PCM is named "professional" here because it
2645 	* was called so in ice1712 driver, and vt1724 driver is derived from
2646 	* ice1712 driver.
2647 	*/
2648 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2649 	if (!ice->is_spdif_master)
2650 		ice->is_spdif_master = stdclock_is_spdif_master;
2651 	if (!ice->get_rate)
2652 		ice->get_rate = stdclock_get_rate;
2653 	if (!ice->set_rate)
2654 		ice->set_rate = stdclock_set_rate;
2655 	if (!ice->set_mclk)
2656 		ice->set_mclk = stdclock_set_mclk;
2657 	if (!ice->set_spdif_clock)
2658 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2659 	if (!ice->get_spdif_master_type)
2660 		ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2661 	if (!ice->ext_clock_names)
2662 		ice->ext_clock_names = ext_clock_names;
2663 	if (!ice->ext_clock_count)
2664 		ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2665 
2666 	if (!ice->hw_rates)
2667 		set_std_hw_rates(ice);
2668 
2669 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2670 	if (err < 0) {
2671 		snd_card_free(card);
2672 		return err;
2673 	}
2674 
2675 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2676 	if (err < 0) {
2677 		snd_card_free(card);
2678 		return err;
2679 	}
2680 
2681 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2682 	if (err < 0) {
2683 		snd_card_free(card);
2684 		return err;
2685 	}
2686 
2687 	err = snd_vt1724_ac97_mixer(ice);
2688 	if (err < 0) {
2689 		snd_card_free(card);
2690 		return err;
2691 	}
2692 
2693 	err = snd_vt1724_build_controls(ice);
2694 	if (err < 0) {
2695 		snd_card_free(card);
2696 		return err;
2697 	}
2698 
2699 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2700 		err = snd_vt1724_spdif_build_controls(ice);
2701 		if (err < 0) {
2702 			snd_card_free(card);
2703 			return err;
2704 		}
2705 	}
2706 
2707 	if (c->build_controls) {
2708 		err = c->build_controls(ice);
2709 		if (err < 0) {
2710 			snd_card_free(card);
2711 			return err;
2712 		}
2713 	}
2714 
2715 	if (!c->no_mpu401) {
2716 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2717 			struct snd_rawmidi *rmidi;
2718 
2719 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2720 			if (err < 0) {
2721 				snd_card_free(card);
2722 				return err;
2723 			}
2724 			ice->rmidi[0] = rmidi;
2725 			rmidi->private_data = ice;
2726 			strcpy(rmidi->name, "ICE1724 MIDI");
2727 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2728 					    SNDRV_RAWMIDI_INFO_INPUT |
2729 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2730 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2731 					    &vt1724_midi_output_ops);
2732 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2733 					    &vt1724_midi_input_ops);
2734 
2735 			/* set watermarks */
2736 			outb(VT1724_MPU_RX_FIFO | 0x1,
2737 			     ICEREG1724(ice, MPU_FIFO_WM));
2738 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2739 			/* set UART mode */
2740 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2741 		}
2742 	}
2743 
2744 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2745 		card->shortname, ice->port, ice->irq);
2746 
2747 	err = snd_card_register(card);
2748 	if (err < 0) {
2749 		snd_card_free(card);
2750 		return err;
2751 	}
2752 	pci_set_drvdata(pci, card);
2753 	dev++;
2754 	return 0;
2755 }
2756 
2757 static void snd_vt1724_remove(struct pci_dev *pci)
2758 {
2759 	struct snd_card *card = pci_get_drvdata(pci);
2760 	struct snd_ice1712 *ice = card->private_data;
2761 
2762 	if (ice->card_info && ice->card_info->chip_exit)
2763 		ice->card_info->chip_exit(ice);
2764 	snd_card_free(card);
2765 }
2766 
2767 #ifdef CONFIG_PM_SLEEP
2768 static int snd_vt1724_suspend(struct device *dev)
2769 {
2770 	struct snd_card *card = dev_get_drvdata(dev);
2771 	struct snd_ice1712 *ice = card->private_data;
2772 
2773 	if (!ice->pm_suspend_enabled)
2774 		return 0;
2775 
2776 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2777 
2778 	snd_ac97_suspend(ice->ac97);
2779 
2780 	spin_lock_irq(&ice->reg_lock);
2781 	ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2782 	ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2783 	ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2784 	ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2785 	spin_unlock_irq(&ice->reg_lock);
2786 
2787 	if (ice->pm_suspend)
2788 		ice->pm_suspend(ice);
2789 	return 0;
2790 }
2791 
2792 static int snd_vt1724_resume(struct device *dev)
2793 {
2794 	struct snd_card *card = dev_get_drvdata(dev);
2795 	struct snd_ice1712 *ice = card->private_data;
2796 
2797 	if (!ice->pm_suspend_enabled)
2798 		return 0;
2799 
2800 	snd_vt1724_chip_reset(ice);
2801 
2802 	if (snd_vt1724_chip_init(ice) < 0) {
2803 		snd_card_disconnect(card);
2804 		return -EIO;
2805 	}
2806 
2807 	if (ice->pm_resume)
2808 		ice->pm_resume(ice);
2809 
2810 	if (ice->pm_saved_is_spdif_master) {
2811 		/* switching to external clock via SPDIF */
2812 		ice->set_spdif_clock(ice, 0);
2813 	} else {
2814 		/* internal on-card clock */
2815 		int rate;
2816 		if (ice->cur_rate)
2817 			rate = ice->cur_rate;
2818 		else
2819 			rate = ice->pro_rate_default;
2820 		snd_vt1724_set_pro_rate(ice, rate, 1);
2821 	}
2822 
2823 	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2824 
2825 	outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2826 	outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2827 
2828 	snd_ac97_resume(ice->ac97);
2829 
2830 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2831 	return 0;
2832 }
2833 
2834 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2835 #define SND_VT1724_PM_OPS	&snd_vt1724_pm
2836 #else
2837 #define SND_VT1724_PM_OPS	NULL
2838 #endif /* CONFIG_PM_SLEEP */
2839 
2840 static struct pci_driver vt1724_driver = {
2841 	.name = KBUILD_MODNAME,
2842 	.id_table = snd_vt1724_ids,
2843 	.probe = snd_vt1724_probe,
2844 	.remove = snd_vt1724_remove,
2845 	.driver = {
2846 		.pm = SND_VT1724_PM_OPS,
2847 	},
2848 };
2849 
2850 module_pci_driver(vt1724_driver);
2851