xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision 842ed298)
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 	bool call_set_rate = false;
651 
652 	if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
653 		return -EINVAL;
654 
655 	spin_lock_irqsave(&ice->reg_lock, flags);
656 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
657 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
658 		/* running? we cannot change the rate now... */
659 		spin_unlock_irqrestore(&ice->reg_lock, flags);
660 		return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
661 	}
662 	if (!force && is_pro_rate_locked(ice)) {
663 		/* comparing required and current rate - makes sense for
664 		 * internal clock only */
665 		spin_unlock_irqrestore(&ice->reg_lock, flags);
666 		return (rate == ice->cur_rate) ? 0 : -EBUSY;
667 	}
668 
669 	if (force || !ice->is_spdif_master(ice)) {
670 		/* force means the rate was switched by ucontrol, otherwise
671 		 * setting clock rate for internal clock mode */
672 		old_rate = ice->get_rate(ice);
673 		if (force || (old_rate != rate))
674 			call_set_rate = true;
675 		else if (rate == ice->cur_rate) {
676 			spin_unlock_irqrestore(&ice->reg_lock, flags);
677 			return 0;
678 		}
679 	}
680 
681 	ice->cur_rate = rate;
682 	spin_unlock_irqrestore(&ice->reg_lock, flags);
683 
684 	if (call_set_rate)
685 		ice->set_rate(ice, rate);
686 
687 	/* setting master clock */
688 	mclk_change = ice->set_mclk(ice, rate);
689 
690 	if (mclk_change && ice->gpio.i2s_mclk_changed)
691 		ice->gpio.i2s_mclk_changed(ice);
692 	if (ice->gpio.set_pro_rate)
693 		ice->gpio.set_pro_rate(ice, rate);
694 
695 	/* set up codecs */
696 	for (i = 0; i < ice->akm_codecs; i++) {
697 		if (ice->akm[i].ops.set_rate_val)
698 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
699 	}
700 	if (ice->spdif.ops.setup_rate)
701 		ice->spdif.ops.setup_rate(ice, rate);
702 
703 	return 0;
704 }
705 
706 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
707 				    struct snd_pcm_hw_params *hw_params)
708 {
709 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
710 	int i, chs;
711 
712 	chs = params_channels(hw_params);
713 	mutex_lock(&ice->open_mutex);
714 	/* mark surround channels */
715 	if (substream == ice->playback_pro_substream) {
716 		/* PDMA0 can be multi-channel up to 8 */
717 		chs = chs / 2 - 1;
718 		for (i = 0; i < chs; i++) {
719 			if (ice->pcm_reserved[i] &&
720 			    ice->pcm_reserved[i] != substream) {
721 				mutex_unlock(&ice->open_mutex);
722 				return -EBUSY;
723 			}
724 			ice->pcm_reserved[i] = substream;
725 		}
726 		for (; i < 3; i++) {
727 			if (ice->pcm_reserved[i] == substream)
728 				ice->pcm_reserved[i] = NULL;
729 		}
730 	} else {
731 		for (i = 0; i < 3; i++) {
732 			/* check individual playback stream */
733 			if (ice->playback_con_substream_ds[i] == substream) {
734 				if (ice->pcm_reserved[i] &&
735 				    ice->pcm_reserved[i] != substream) {
736 					mutex_unlock(&ice->open_mutex);
737 					return -EBUSY;
738 				}
739 				ice->pcm_reserved[i] = substream;
740 				break;
741 			}
742 		}
743 	}
744 	mutex_unlock(&ice->open_mutex);
745 
746 	return snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
747 }
748 
749 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
750 {
751 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
752 	int i;
753 
754 	mutex_lock(&ice->open_mutex);
755 	/* unmark surround channels */
756 	for (i = 0; i < 3; i++)
757 		if (ice->pcm_reserved[i] == substream)
758 			ice->pcm_reserved[i] = NULL;
759 	mutex_unlock(&ice->open_mutex);
760 	return 0;
761 }
762 
763 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
764 {
765 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
766 	unsigned char val;
767 	unsigned int size;
768 
769 	spin_lock_irq(&ice->reg_lock);
770 	val = (8 - substream->runtime->channels) >> 1;
771 	outb(val, ICEMT1724(ice, BURST));
772 
773 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
774 
775 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
776 	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
777 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
778 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
779 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
780 	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
781 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
782 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
783 
784 	spin_unlock_irq(&ice->reg_lock);
785 
786 	/*
787 	dev_dbg(ice->card->dev, "pro prepare: ch = %d, addr = 0x%x, "
788 	       "buffer = 0x%x, period = 0x%x\n",
789 	       substream->runtime->channels,
790 	       (unsigned int)substream->runtime->dma_addr,
791 	       snd_pcm_lib_buffer_bytes(substream),
792 	       snd_pcm_lib_period_bytes(substream));
793 	*/
794 	return 0;
795 }
796 
797 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
798 {
799 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
800 	size_t ptr;
801 
802 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
803 		return 0;
804 #if 0 /* read PLAYBACK_ADDR */
805 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
806 	if (ptr < substream->runtime->dma_addr) {
807 		dev_dbg(ice->card->dev, "invalid negative ptr\n");
808 		return 0;
809 	}
810 	ptr -= substream->runtime->dma_addr;
811 	ptr = bytes_to_frames(substream->runtime, ptr);
812 	if (ptr >= substream->runtime->buffer_size) {
813 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
814 			   (int)ptr, (int)substream->runtime->period_size);
815 		return 0;
816 	}
817 #else /* read PLAYBACK_SIZE */
818 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
819 	ptr = (ptr + 1) << 2;
820 	ptr = bytes_to_frames(substream->runtime, ptr);
821 	if (!ptr)
822 		;
823 	else if (ptr <= substream->runtime->buffer_size)
824 		ptr = substream->runtime->buffer_size - ptr;
825 	else {
826 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
827 			   (int)ptr, (int)substream->runtime->buffer_size);
828 		ptr = 0;
829 	}
830 #endif
831 	return ptr;
832 }
833 
834 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
835 {
836 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
837 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
838 
839 	spin_lock_irq(&ice->reg_lock);
840 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
841 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
842 	     ice->profi_port + reg->size);
843 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
844 	     ice->profi_port + reg->count);
845 	spin_unlock_irq(&ice->reg_lock);
846 	return 0;
847 }
848 
849 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
850 {
851 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
852 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
853 	size_t ptr;
854 
855 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
856 		return 0;
857 #if 0 /* use ADDR register */
858 	ptr = inl(ice->profi_port + reg->addr);
859 	ptr -= substream->runtime->dma_addr;
860 	return bytes_to_frames(substream->runtime, ptr);
861 #else /* use SIZE register */
862 	ptr = inw(ice->profi_port + reg->size);
863 	ptr = (ptr + 1) << 2;
864 	ptr = bytes_to_frames(substream->runtime, ptr);
865 	if (!ptr)
866 		;
867 	else if (ptr <= substream->runtime->buffer_size)
868 		ptr = substream->runtime->buffer_size - ptr;
869 	else {
870 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
871 			   (int)ptr, (int)substream->runtime->buffer_size);
872 		ptr = 0;
873 	}
874 	return ptr;
875 #endif
876 }
877 
878 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
879 	.addr = VT1724_MT_PLAYBACK_ADDR,
880 	.size = VT1724_MT_PLAYBACK_SIZE,
881 	.count = VT1724_MT_PLAYBACK_COUNT,
882 	.start = VT1724_PDMA0_START,
883 };
884 
885 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
886 	.addr = VT1724_MT_PDMA4_ADDR,
887 	.size = VT1724_MT_PDMA4_SIZE,
888 	.count = VT1724_MT_PDMA4_COUNT,
889 	.start = VT1724_PDMA4_START,
890 };
891 
892 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
893 	.addr = VT1724_MT_CAPTURE_ADDR,
894 	.size = VT1724_MT_CAPTURE_SIZE,
895 	.count = VT1724_MT_CAPTURE_COUNT,
896 	.start = VT1724_RDMA0_START,
897 };
898 
899 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
900 	.addr = VT1724_MT_RDMA1_ADDR,
901 	.size = VT1724_MT_RDMA1_SIZE,
902 	.count = VT1724_MT_RDMA1_COUNT,
903 	.start = VT1724_RDMA1_START,
904 };
905 
906 #define vt1724_playback_pro_reg vt1724_pdma0_reg
907 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
908 #define vt1724_capture_pro_reg vt1724_rdma0_reg
909 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
910 
911 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
912 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
913 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
914 				 SNDRV_PCM_INFO_MMAP_VALID |
915 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
916 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
917 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
918 	.rate_min =		8000,
919 	.rate_max =		192000,
920 	.channels_min =		2,
921 	.channels_max =		8,
922 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
923 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
924 	.period_bytes_max =	(1UL << 21),
925 	.periods_min =		2,
926 	.periods_max =		1024,
927 };
928 
929 static const struct snd_pcm_hardware snd_vt1724_spdif = {
930 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
931 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
932 				 SNDRV_PCM_INFO_MMAP_VALID |
933 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
934 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
935 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
936 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
937 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
938 				 SNDRV_PCM_RATE_192000),
939 	.rate_min =		32000,
940 	.rate_max =		192000,
941 	.channels_min =		2,
942 	.channels_max =		2,
943 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
944 	.period_bytes_min =	2 * 4 * 2,
945 	.period_bytes_max =	(1UL << 18),
946 	.periods_min =		2,
947 	.periods_max =		1024,
948 };
949 
950 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
951 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
952 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
953 				 SNDRV_PCM_INFO_MMAP_VALID |
954 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
955 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
956 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
957 	.rate_min =		8000,
958 	.rate_max =		192000,
959 	.channels_min =		2,
960 	.channels_max =		2,
961 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
962 	.period_bytes_min =	2 * 4 * 2,
963 	.period_bytes_max =	(1UL << 18),
964 	.periods_min =		2,
965 	.periods_max =		1024,
966 };
967 
968 /*
969  * set rate constraints
970  */
971 static void set_std_hw_rates(struct snd_ice1712 *ice)
972 {
973 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
974 		/* I2S */
975 		/* VT1720 doesn't support more than 96kHz */
976 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
977 			ice->hw_rates = &hw_constraints_rates_192;
978 		else
979 			ice->hw_rates = &hw_constraints_rates_96;
980 	} else {
981 		/* ACLINK */
982 		ice->hw_rates = &hw_constraints_rates_48;
983 	}
984 }
985 
986 static int set_rate_constraints(struct snd_ice1712 *ice,
987 				struct snd_pcm_substream *substream)
988 {
989 	struct snd_pcm_runtime *runtime = substream->runtime;
990 
991 	runtime->hw.rate_min = ice->hw_rates->list[0];
992 	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
993 	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
994 	return snd_pcm_hw_constraint_list(runtime, 0,
995 					  SNDRV_PCM_HW_PARAM_RATE,
996 					  ice->hw_rates);
997 }
998 
999 /* if the card has the internal rate locked (is_pro_locked), limit runtime
1000    hw rates to the current internal rate only.
1001 */
1002 static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
1003 {
1004 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1005 	struct snd_pcm_runtime *runtime = substream->runtime;
1006 	unsigned int rate;
1007 	if (is_pro_rate_locked(ice)) {
1008 		rate = ice->get_rate(ice);
1009 		if (rate >= runtime->hw.rate_min
1010 		    && rate <= runtime->hw.rate_max) {
1011 			runtime->hw.rate_min = rate;
1012 			runtime->hw.rate_max = rate;
1013 		}
1014 	}
1015 }
1016 
1017 
1018 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1019  * actually used
1020  */
1021 #define VT1724_BUFFER_ALIGN	0x20
1022 
1023 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1024 {
1025 	struct snd_pcm_runtime *runtime = substream->runtime;
1026 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1027 	int chs, num_indeps;
1028 
1029 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
1030 	ice->playback_pro_substream = substream;
1031 	runtime->hw = snd_vt1724_playback_pro;
1032 	snd_pcm_set_sync(substream);
1033 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1034 	set_rate_constraints(ice, substream);
1035 	mutex_lock(&ice->open_mutex);
1036 	/* calculate the currently available channels */
1037 	num_indeps = ice->num_total_dacs / 2 - 1;
1038 	for (chs = 0; chs < num_indeps; chs++) {
1039 		if (ice->pcm_reserved[chs])
1040 			break;
1041 	}
1042 	chs = (chs + 1) * 2;
1043 	runtime->hw.channels_max = chs;
1044 	if (chs > 2) /* channels must be even */
1045 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1046 	mutex_unlock(&ice->open_mutex);
1047 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1048 				   VT1724_BUFFER_ALIGN);
1049 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1050 				   VT1724_BUFFER_ALIGN);
1051 	constrain_rate_if_locked(substream);
1052 	if (ice->pro_open)
1053 		ice->pro_open(ice, substream);
1054 	return 0;
1055 }
1056 
1057 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1058 {
1059 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1060 	struct snd_pcm_runtime *runtime = substream->runtime;
1061 
1062 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
1063 	ice->capture_pro_substream = substream;
1064 	runtime->hw = snd_vt1724_2ch_stereo;
1065 	snd_pcm_set_sync(substream);
1066 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1067 	set_rate_constraints(ice, substream);
1068 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1069 				   VT1724_BUFFER_ALIGN);
1070 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1071 				   VT1724_BUFFER_ALIGN);
1072 	constrain_rate_if_locked(substream);
1073 	if (ice->pro_open)
1074 		ice->pro_open(ice, substream);
1075 	return 0;
1076 }
1077 
1078 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1079 {
1080 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1081 
1082 	if (PRO_RATE_RESET)
1083 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1084 	ice->playback_pro_substream = NULL;
1085 
1086 	return 0;
1087 }
1088 
1089 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1090 {
1091 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1092 
1093 	if (PRO_RATE_RESET)
1094 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1095 	ice->capture_pro_substream = NULL;
1096 	return 0;
1097 }
1098 
1099 static const struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1100 	.open =		snd_vt1724_playback_pro_open,
1101 	.close =	snd_vt1724_playback_pro_close,
1102 	.hw_params =	snd_vt1724_pcm_hw_params,
1103 	.hw_free =	snd_vt1724_pcm_hw_free,
1104 	.prepare =	snd_vt1724_playback_pro_prepare,
1105 	.trigger =	snd_vt1724_pcm_trigger,
1106 	.pointer =	snd_vt1724_playback_pro_pointer,
1107 };
1108 
1109 static const struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1110 	.open =		snd_vt1724_capture_pro_open,
1111 	.close =	snd_vt1724_capture_pro_close,
1112 	.hw_params =	snd_vt1724_pcm_hw_params,
1113 	.hw_free =	snd_vt1724_pcm_hw_free,
1114 	.prepare =	snd_vt1724_pcm_prepare,
1115 	.trigger =	snd_vt1724_pcm_trigger,
1116 	.pointer =	snd_vt1724_pcm_pointer,
1117 };
1118 
1119 static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1120 {
1121 	struct snd_pcm *pcm;
1122 	int capt, err;
1123 
1124 	if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1125 	    VT1724_CFG_ADC_NONE)
1126 		capt = 0;
1127 	else
1128 		capt = 1;
1129 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1130 	if (err < 0)
1131 		return err;
1132 
1133 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1134 	if (capt)
1135 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1136 			&snd_vt1724_capture_pro_ops);
1137 
1138 	pcm->private_data = ice;
1139 	pcm->info_flags = 0;
1140 	strcpy(pcm->name, "ICE1724");
1141 
1142 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1143 				       &ice->pci->dev, 256*1024, 256*1024);
1144 
1145 	ice->pcm_pro = pcm;
1146 
1147 	return 0;
1148 }
1149 
1150 
1151 /*
1152  * SPDIF PCM
1153  */
1154 
1155 /* update spdif control bits; call with reg_lock */
1156 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1157 {
1158 	unsigned char cbit, disabled;
1159 
1160 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1161 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1162 	if (cbit != disabled)
1163 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1164 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1165 	if (cbit != disabled)
1166 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1167 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1168 }
1169 
1170 /* update SPDIF control bits according to the given rate */
1171 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1172 {
1173 	unsigned int val, nval;
1174 	unsigned long flags;
1175 
1176 	spin_lock_irqsave(&ice->reg_lock, flags);
1177 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1178 	nval &= ~(7 << 12);
1179 	switch (rate) {
1180 	case 44100: break;
1181 	case 48000: nval |= 2 << 12; break;
1182 	case 32000: nval |= 3 << 12; break;
1183 	case 88200: nval |= 4 << 12; break;
1184 	case 96000: nval |= 5 << 12; break;
1185 	case 192000: nval |= 6 << 12; break;
1186 	case 176400: nval |= 7 << 12; break;
1187 	}
1188 	if (val != nval)
1189 		update_spdif_bits(ice, nval);
1190 	spin_unlock_irqrestore(&ice->reg_lock, flags);
1191 }
1192 
1193 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1194 {
1195 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1196 	if (!ice->force_pdma4)
1197 		update_spdif_rate(ice, substream->runtime->rate);
1198 	return snd_vt1724_pcm_prepare(substream);
1199 }
1200 
1201 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1202 {
1203 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1204 	struct snd_pcm_runtime *runtime = substream->runtime;
1205 
1206 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1207 	ice->playback_con_substream = substream;
1208 	if (ice->force_pdma4) {
1209 		runtime->hw = snd_vt1724_2ch_stereo;
1210 		set_rate_constraints(ice, substream);
1211 	} else
1212 		runtime->hw = snd_vt1724_spdif;
1213 	snd_pcm_set_sync(substream);
1214 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1215 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1216 				   VT1724_BUFFER_ALIGN);
1217 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1218 				   VT1724_BUFFER_ALIGN);
1219 	constrain_rate_if_locked(substream);
1220 	if (ice->spdif.ops.open)
1221 		ice->spdif.ops.open(ice, substream);
1222 	return 0;
1223 }
1224 
1225 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1226 {
1227 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1228 
1229 	if (PRO_RATE_RESET)
1230 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1231 	ice->playback_con_substream = NULL;
1232 	if (ice->spdif.ops.close)
1233 		ice->spdif.ops.close(ice, substream);
1234 
1235 	return 0;
1236 }
1237 
1238 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1239 {
1240 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1241 	struct snd_pcm_runtime *runtime = substream->runtime;
1242 
1243 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1244 	ice->capture_con_substream = substream;
1245 	if (ice->force_rdma1) {
1246 		runtime->hw = snd_vt1724_2ch_stereo;
1247 		set_rate_constraints(ice, substream);
1248 	} else
1249 		runtime->hw = snd_vt1724_spdif;
1250 	snd_pcm_set_sync(substream);
1251 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1252 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1253 				   VT1724_BUFFER_ALIGN);
1254 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1255 				   VT1724_BUFFER_ALIGN);
1256 	constrain_rate_if_locked(substream);
1257 	if (ice->spdif.ops.open)
1258 		ice->spdif.ops.open(ice, substream);
1259 	return 0;
1260 }
1261 
1262 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1263 {
1264 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1265 
1266 	if (PRO_RATE_RESET)
1267 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1268 	ice->capture_con_substream = NULL;
1269 	if (ice->spdif.ops.close)
1270 		ice->spdif.ops.close(ice, substream);
1271 
1272 	return 0;
1273 }
1274 
1275 static const struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1276 	.open =		snd_vt1724_playback_spdif_open,
1277 	.close =	snd_vt1724_playback_spdif_close,
1278 	.hw_params =	snd_vt1724_pcm_hw_params,
1279 	.hw_free =	snd_vt1724_pcm_hw_free,
1280 	.prepare =	snd_vt1724_playback_spdif_prepare,
1281 	.trigger =	snd_vt1724_pcm_trigger,
1282 	.pointer =	snd_vt1724_pcm_pointer,
1283 };
1284 
1285 static const struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1286 	.open =		snd_vt1724_capture_spdif_open,
1287 	.close =	snd_vt1724_capture_spdif_close,
1288 	.hw_params =	snd_vt1724_pcm_hw_params,
1289 	.hw_free =	snd_vt1724_pcm_hw_free,
1290 	.prepare =	snd_vt1724_pcm_prepare,
1291 	.trigger =	snd_vt1724_pcm_trigger,
1292 	.pointer =	snd_vt1724_pcm_pointer,
1293 };
1294 
1295 
1296 static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1297 {
1298 	char *name;
1299 	struct snd_pcm *pcm;
1300 	int play, capt;
1301 	int err;
1302 
1303 	if (ice->force_pdma4 ||
1304 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1305 		play = 1;
1306 		ice->has_spdif = 1;
1307 	} else
1308 		play = 0;
1309 	if (ice->force_rdma1 ||
1310 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1311 		capt = 1;
1312 		ice->has_spdif = 1;
1313 	} else
1314 		capt = 0;
1315 	if (!play && !capt)
1316 		return 0; /* no spdif device */
1317 
1318 	if (ice->force_pdma4 || ice->force_rdma1)
1319 		name = "ICE1724 Secondary";
1320 	else
1321 		name = "ICE1724 IEC958";
1322 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1323 	if (err < 0)
1324 		return err;
1325 
1326 	if (play)
1327 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1328 				&snd_vt1724_playback_spdif_ops);
1329 	if (capt)
1330 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1331 				&snd_vt1724_capture_spdif_ops);
1332 
1333 	pcm->private_data = ice;
1334 	pcm->info_flags = 0;
1335 	strcpy(pcm->name, name);
1336 
1337 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1338 				       &ice->pci->dev, 256*1024, 256*1024);
1339 
1340 	ice->pcm = pcm;
1341 
1342 	return 0;
1343 }
1344 
1345 
1346 /*
1347  * independent surround PCMs
1348  */
1349 
1350 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1351 	{
1352 		.addr = VT1724_MT_PDMA1_ADDR,
1353 		.size = VT1724_MT_PDMA1_SIZE,
1354 		.count = VT1724_MT_PDMA1_COUNT,
1355 		.start = VT1724_PDMA1_START,
1356 	},
1357 	{
1358 		.addr = VT1724_MT_PDMA2_ADDR,
1359 		.size = VT1724_MT_PDMA2_SIZE,
1360 		.count = VT1724_MT_PDMA2_COUNT,
1361 		.start = VT1724_PDMA2_START,
1362 	},
1363 	{
1364 		.addr = VT1724_MT_PDMA3_ADDR,
1365 		.size = VT1724_MT_PDMA3_SIZE,
1366 		.count = VT1724_MT_PDMA3_COUNT,
1367 		.start = VT1724_PDMA3_START,
1368 	},
1369 };
1370 
1371 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1372 {
1373 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1374 	unsigned char val;
1375 
1376 	spin_lock_irq(&ice->reg_lock);
1377 	val = 3 - substream->number;
1378 	if (inb(ICEMT1724(ice, BURST)) < val)
1379 		outb(val, ICEMT1724(ice, BURST));
1380 	spin_unlock_irq(&ice->reg_lock);
1381 	return snd_vt1724_pcm_prepare(substream);
1382 }
1383 
1384 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1385 {
1386 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1387 	struct snd_pcm_runtime *runtime = substream->runtime;
1388 
1389 	mutex_lock(&ice->open_mutex);
1390 	/* already used by PDMA0? */
1391 	if (ice->pcm_reserved[substream->number]) {
1392 		mutex_unlock(&ice->open_mutex);
1393 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1394 	}
1395 	mutex_unlock(&ice->open_mutex);
1396 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1397 	ice->playback_con_substream_ds[substream->number] = substream;
1398 	runtime->hw = snd_vt1724_2ch_stereo;
1399 	snd_pcm_set_sync(substream);
1400 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1401 	set_rate_constraints(ice, substream);
1402 	return 0;
1403 }
1404 
1405 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1406 {
1407 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1408 
1409 	if (PRO_RATE_RESET)
1410 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1411 	ice->playback_con_substream_ds[substream->number] = NULL;
1412 	ice->pcm_reserved[substream->number] = NULL;
1413 
1414 	return 0;
1415 }
1416 
1417 static const struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1418 	.open =		snd_vt1724_playback_indep_open,
1419 	.close =	snd_vt1724_playback_indep_close,
1420 	.hw_params =	snd_vt1724_pcm_hw_params,
1421 	.hw_free =	snd_vt1724_pcm_hw_free,
1422 	.prepare =	snd_vt1724_playback_indep_prepare,
1423 	.trigger =	snd_vt1724_pcm_trigger,
1424 	.pointer =	snd_vt1724_pcm_pointer,
1425 };
1426 
1427 
1428 static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1429 {
1430 	struct snd_pcm *pcm;
1431 	int play;
1432 	int err;
1433 
1434 	play = ice->num_total_dacs / 2 - 1;
1435 	if (play <= 0)
1436 		return 0;
1437 
1438 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1439 	if (err < 0)
1440 		return err;
1441 
1442 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1443 			&snd_vt1724_playback_indep_ops);
1444 
1445 	pcm->private_data = ice;
1446 	pcm->info_flags = 0;
1447 	strcpy(pcm->name, "ICE1724 Surround PCM");
1448 
1449 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1450 				       &ice->pci->dev, 256*1024, 256*1024);
1451 
1452 	ice->pcm_ds = pcm;
1453 
1454 	return 0;
1455 }
1456 
1457 
1458 /*
1459  *  Mixer section
1460  */
1461 
1462 static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1463 {
1464 	int err;
1465 
1466 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1467 		struct snd_ac97_bus *pbus;
1468 		struct snd_ac97_template ac97;
1469 		static const struct snd_ac97_bus_ops ops = {
1470 			.write = snd_vt1724_ac97_write,
1471 			.read = snd_vt1724_ac97_read,
1472 		};
1473 
1474 		/* cold reset */
1475 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1476 		mdelay(5); /* FIXME */
1477 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1478 
1479 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1480 		if (err < 0)
1481 			return err;
1482 		memset(&ac97, 0, sizeof(ac97));
1483 		ac97.private_data = ice;
1484 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1485 		if (err < 0)
1486 			dev_warn(ice->card->dev,
1487 				 "cannot initialize pro ac97, skipped\n");
1488 		else
1489 			return 0;
1490 	}
1491 	/* I2S mixer only */
1492 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1493 	return 0;
1494 }
1495 
1496 /*
1497  *
1498  */
1499 
1500 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1501 {
1502 	return (unsigned int)ice->eeprom.data[idx] | \
1503 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1504 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1505 }
1506 
1507 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1508 				 struct snd_info_buffer *buffer)
1509 {
1510 	struct snd_ice1712 *ice = entry->private_data;
1511 	unsigned int idx;
1512 
1513 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1514 	snd_iprintf(buffer, "EEPROM:\n");
1515 
1516 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1517 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1518 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1519 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1520 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1521 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1522 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1523 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1524 		    ice->eeprom.data[ICE_EEP2_I2S]);
1525 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1526 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1527 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1528 		    ice->eeprom.gpiodir);
1529 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1530 		    ice->eeprom.gpiomask);
1531 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1532 		    ice->eeprom.gpiostate);
1533 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1534 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1535 			    idx, ice->eeprom.data[idx]);
1536 
1537 	snd_iprintf(buffer, "\nRegisters:\n");
1538 
1539 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1540 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1541 	for (idx = 0x0; idx < 0x20 ; idx++)
1542 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1543 			    idx, inb(ice->port+idx));
1544 	for (idx = 0x0; idx < 0x30 ; idx++)
1545 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1546 			    idx, inb(ice->profi_port+idx));
1547 }
1548 
1549 static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1550 {
1551 	snd_card_ro_proc_new(ice->card, "ice1724", ice, snd_vt1724_proc_read);
1552 }
1553 
1554 /*
1555  *
1556  */
1557 
1558 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1559 				  struct snd_ctl_elem_info *uinfo)
1560 {
1561 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1562 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1563 	return 0;
1564 }
1565 
1566 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1567 				 struct snd_ctl_elem_value *ucontrol)
1568 {
1569 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1570 
1571 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1572 	return 0;
1573 }
1574 
1575 static const struct snd_kcontrol_new snd_vt1724_eeprom = {
1576 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1577 	.name = "ICE1724 EEPROM",
1578 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1579 	.info = snd_vt1724_eeprom_info,
1580 	.get = snd_vt1724_eeprom_get
1581 };
1582 
1583 /*
1584  */
1585 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1586 				 struct snd_ctl_elem_info *uinfo)
1587 {
1588 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1589 	uinfo->count = 1;
1590 	return 0;
1591 }
1592 
1593 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1594 {
1595 	unsigned int val, rbits;
1596 
1597 	val = diga->status[0] & 0x03; /* professional, non-audio */
1598 	if (val & 0x01) {
1599 		/* professional */
1600 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1601 		    IEC958_AES0_PRO_EMPHASIS_5015)
1602 			val |= 1U << 3;
1603 		rbits = (diga->status[4] >> 3) & 0x0f;
1604 		if (rbits) {
1605 			switch (rbits) {
1606 			case 2: val |= 5 << 12; break; /* 96k */
1607 			case 3: val |= 6 << 12; break; /* 192k */
1608 			case 10: val |= 4 << 12; break; /* 88.2k */
1609 			case 11: val |= 7 << 12; break; /* 176.4k */
1610 			}
1611 		} else {
1612 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1613 			case IEC958_AES0_PRO_FS_44100:
1614 				break;
1615 			case IEC958_AES0_PRO_FS_32000:
1616 				val |= 3U << 12;
1617 				break;
1618 			default:
1619 				val |= 2U << 12;
1620 				break;
1621 			}
1622 		}
1623 	} else {
1624 		/* consumer */
1625 		val |= diga->status[1] & 0x04; /* copyright */
1626 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1627 		    IEC958_AES0_CON_EMPHASIS_5015)
1628 			val |= 1U << 3;
1629 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1630 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1631 	}
1632 	return val;
1633 }
1634 
1635 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1636 {
1637 	memset(diga->status, 0, sizeof(diga->status));
1638 	diga->status[0] = val & 0x03; /* professional, non-audio */
1639 	if (val & 0x01) {
1640 		/* professional */
1641 		if (val & (1U << 3))
1642 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1643 		switch ((val >> 12) & 0x7) {
1644 		case 0:
1645 			break;
1646 		case 2:
1647 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1648 			break;
1649 		default:
1650 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1651 			break;
1652 		}
1653 	} else {
1654 		/* consumer */
1655 		diga->status[0] |= val & (1U << 2); /* copyright */
1656 		if (val & (1U << 3))
1657 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1658 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1659 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1660 	}
1661 }
1662 
1663 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1664 					struct snd_ctl_elem_value *ucontrol)
1665 {
1666 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1667 	unsigned int val;
1668 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1669 	decode_spdif_bits(&ucontrol->value.iec958, val);
1670 	return 0;
1671 }
1672 
1673 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1674 					 struct snd_ctl_elem_value *ucontrol)
1675 {
1676 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1677 	unsigned int val, old;
1678 
1679 	val = encode_spdif_bits(&ucontrol->value.iec958);
1680 	spin_lock_irq(&ice->reg_lock);
1681 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1682 	if (val != old)
1683 		update_spdif_bits(ice, val);
1684 	spin_unlock_irq(&ice->reg_lock);
1685 	return val != old;
1686 }
1687 
1688 static const struct snd_kcontrol_new snd_vt1724_spdif_default =
1689 {
1690 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1691 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1692 	.info =		snd_vt1724_spdif_info,
1693 	.get =		snd_vt1724_spdif_default_get,
1694 	.put =		snd_vt1724_spdif_default_put
1695 };
1696 
1697 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1698 				       struct snd_ctl_elem_value *ucontrol)
1699 {
1700 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1701 						     IEC958_AES0_PROFESSIONAL |
1702 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1703 						     IEC958_AES0_CON_EMPHASIS;
1704 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1705 						     IEC958_AES1_CON_CATEGORY;
1706 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1707 	return 0;
1708 }
1709 
1710 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1711 				       struct snd_ctl_elem_value *ucontrol)
1712 {
1713 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1714 						     IEC958_AES0_PROFESSIONAL |
1715 						     IEC958_AES0_PRO_FS |
1716 						     IEC958_AES0_PRO_EMPHASIS;
1717 	return 0;
1718 }
1719 
1720 static const struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1721 {
1722 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1723 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1724 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1725 	.info =		snd_vt1724_spdif_info,
1726 	.get =		snd_vt1724_spdif_maskc_get,
1727 };
1728 
1729 static const struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1730 {
1731 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1732 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1733 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1734 	.info =		snd_vt1724_spdif_info,
1735 	.get =		snd_vt1724_spdif_maskp_get,
1736 };
1737 
1738 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1739 
1740 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1741 				   struct snd_ctl_elem_value *ucontrol)
1742 {
1743 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1744 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1745 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1746 	return 0;
1747 }
1748 
1749 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1750 				   struct snd_ctl_elem_value *ucontrol)
1751 {
1752 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1753 	unsigned char old, val;
1754 
1755 	spin_lock_irq(&ice->reg_lock);
1756 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1757 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1758 	if (ucontrol->value.integer.value[0])
1759 		val |= VT1724_CFG_SPDIF_OUT_EN;
1760 	if (old != val)
1761 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1762 	spin_unlock_irq(&ice->reg_lock);
1763 	return old != val;
1764 }
1765 
1766 static const struct snd_kcontrol_new snd_vt1724_spdif_switch =
1767 {
1768 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1769 	/* FIXME: the following conflict with IEC958 Playback Route */
1770 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1771 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1772 	.info =		snd_vt1724_spdif_sw_info,
1773 	.get =		snd_vt1724_spdif_sw_get,
1774 	.put =		snd_vt1724_spdif_sw_put
1775 };
1776 
1777 
1778 #if 0 /* NOT USED YET */
1779 /*
1780  * GPIO access from extern
1781  */
1782 
1783 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1784 
1785 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1786 			struct snd_ctl_elem_value *ucontrol)
1787 {
1788 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1789 	int shift = kcontrol->private_value & 0xff;
1790 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1791 
1792 	snd_ice1712_save_gpio_status(ice);
1793 	ucontrol->value.integer.value[0] =
1794 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1795 	snd_ice1712_restore_gpio_status(ice);
1796 	return 0;
1797 }
1798 
1799 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1800 			 struct snd_ctl_elem_value *ucontrol)
1801 {
1802 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1803 	int shift = kcontrol->private_value & 0xff;
1804 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1805 	unsigned int val, nval;
1806 
1807 	if (kcontrol->private_value & (1 << 31))
1808 		return -EPERM;
1809 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1810 	snd_ice1712_save_gpio_status(ice);
1811 	val = snd_ice1712_gpio_read(ice);
1812 	nval |= val & ~(1 << shift);
1813 	if (val != nval)
1814 		snd_ice1712_gpio_write(ice, nval);
1815 	snd_ice1712_restore_gpio_status(ice);
1816 	return val != nval;
1817 }
1818 #endif /* NOT USED YET */
1819 
1820 /*
1821  *  rate
1822  */
1823 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1824 					      struct snd_ctl_elem_info *uinfo)
1825 {
1826 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1827 	int hw_rates_count = ice->hw_rates->count;
1828 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1829 	uinfo->count = 1;
1830 
1831 	/* internal clocks */
1832 	uinfo->value.enumerated.items = hw_rates_count;
1833 	/* external clocks */
1834 	if (ice->force_rdma1 ||
1835 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1836 		uinfo->value.enumerated.items += ice->ext_clock_count;
1837 	/* upper limit - keep at top */
1838 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1839 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1840 	if (uinfo->value.enumerated.item >= hw_rates_count)
1841 		/* ext_clock items */
1842 		strcpy(uinfo->value.enumerated.name,
1843 				ice->ext_clock_names[
1844 				uinfo->value.enumerated.item - hw_rates_count]);
1845 	else
1846 		/* int clock items */
1847 		sprintf(uinfo->value.enumerated.name, "%d",
1848 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1849 	return 0;
1850 }
1851 
1852 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1853 					     struct snd_ctl_elem_value *ucontrol)
1854 {
1855 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1856 	unsigned int i, rate;
1857 
1858 	spin_lock_irq(&ice->reg_lock);
1859 	if (ice->is_spdif_master(ice)) {
1860 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1861 			ice->get_spdif_master_type(ice);
1862 	} else {
1863 		rate = ice->get_rate(ice);
1864 		ucontrol->value.enumerated.item[0] = 0;
1865 		for (i = 0; i < ice->hw_rates->count; i++) {
1866 			if (ice->hw_rates->list[i] == rate) {
1867 				ucontrol->value.enumerated.item[0] = i;
1868 				break;
1869 			}
1870 		}
1871 	}
1872 	spin_unlock_irq(&ice->reg_lock);
1873 	return 0;
1874 }
1875 
1876 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1877 {
1878 	/* standard external clock - only single type - SPDIF IN */
1879 	return 0;
1880 }
1881 
1882 /* setting clock to external - SPDIF */
1883 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1884 {
1885 	unsigned char oval;
1886 	unsigned char i2s_oval;
1887 	oval = inb(ICEMT1724(ice, RATE));
1888 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1889 	/* setting 256fs */
1890 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1891 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1892 	return 0;
1893 }
1894 
1895 
1896 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1897 					     struct snd_ctl_elem_value *ucontrol)
1898 {
1899 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1900 	unsigned int old_rate, new_rate;
1901 	unsigned int item = ucontrol->value.enumerated.item[0];
1902 	unsigned int first_ext_clock = ice->hw_rates->count;
1903 
1904 	if (item >  first_ext_clock + ice->ext_clock_count - 1)
1905 		return -EINVAL;
1906 
1907 	/* if rate = 0 => external clock */
1908 	spin_lock_irq(&ice->reg_lock);
1909 	if (ice->is_spdif_master(ice))
1910 		old_rate = 0;
1911 	else
1912 		old_rate = ice->get_rate(ice);
1913 	if (item >= first_ext_clock) {
1914 		/* switching to external clock */
1915 		ice->set_spdif_clock(ice, item - first_ext_clock);
1916 		new_rate = 0;
1917 	} else {
1918 		/* internal on-card clock */
1919 		new_rate = ice->hw_rates->list[item];
1920 		ice->pro_rate_default = new_rate;
1921 		spin_unlock_irq(&ice->reg_lock);
1922 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1923 		spin_lock_irq(&ice->reg_lock);
1924 	}
1925 	spin_unlock_irq(&ice->reg_lock);
1926 
1927 	/* the first switch to the ext. clock mode? */
1928 	if (old_rate != new_rate && !new_rate) {
1929 		/* notify akm chips as well */
1930 		unsigned int i;
1931 		if (ice->gpio.set_pro_rate)
1932 			ice->gpio.set_pro_rate(ice, 0);
1933 		for (i = 0; i < ice->akm_codecs; i++) {
1934 			if (ice->akm[i].ops.set_rate_val)
1935 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1936 		}
1937 	}
1938 	return old_rate != new_rate;
1939 }
1940 
1941 static const struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1942 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1943 	.name = "Multi Track Internal Clock",
1944 	.info = snd_vt1724_pro_internal_clock_info,
1945 	.get = snd_vt1724_pro_internal_clock_get,
1946 	.put = snd_vt1724_pro_internal_clock_put
1947 };
1948 
1949 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1950 
1951 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1952 					   struct snd_ctl_elem_value *ucontrol)
1953 {
1954 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1955 	return 0;
1956 }
1957 
1958 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1959 					   struct snd_ctl_elem_value *ucontrol)
1960 {
1961 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1962 	int change = 0, nval;
1963 
1964 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1965 	spin_lock_irq(&ice->reg_lock);
1966 	change = PRO_RATE_LOCKED != nval;
1967 	PRO_RATE_LOCKED = nval;
1968 	spin_unlock_irq(&ice->reg_lock);
1969 	return change;
1970 }
1971 
1972 static const struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
1973 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1974 	.name = "Multi Track Rate Locking",
1975 	.info = snd_vt1724_pro_rate_locking_info,
1976 	.get = snd_vt1724_pro_rate_locking_get,
1977 	.put = snd_vt1724_pro_rate_locking_put
1978 };
1979 
1980 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1981 
1982 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1983 					 struct snd_ctl_elem_value *ucontrol)
1984 {
1985 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1986 	return 0;
1987 }
1988 
1989 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1990 					 struct snd_ctl_elem_value *ucontrol)
1991 {
1992 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1993 	int change = 0, nval;
1994 
1995 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1996 	spin_lock_irq(&ice->reg_lock);
1997 	change = PRO_RATE_RESET != nval;
1998 	PRO_RATE_RESET = nval;
1999 	spin_unlock_irq(&ice->reg_lock);
2000 	return change;
2001 }
2002 
2003 static const struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
2004 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2005 	.name = "Multi Track Rate Reset",
2006 	.info = snd_vt1724_pro_rate_reset_info,
2007 	.get = snd_vt1724_pro_rate_reset_get,
2008 	.put = snd_vt1724_pro_rate_reset_put
2009 };
2010 
2011 
2012 /*
2013  * routing
2014  */
2015 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2016 				     struct snd_ctl_elem_info *uinfo)
2017 {
2018 	static const char * const texts[] = {
2019 		"PCM Out", /* 0 */
2020 		"H/W In 0", "H/W In 1", /* 1-2 */
2021 		"IEC958 In L", "IEC958 In R", /* 3-4 */
2022 	};
2023 
2024 	return snd_ctl_enum_info(uinfo, 1, 5, texts);
2025 }
2026 
2027 static inline int analog_route_shift(int idx)
2028 {
2029 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2030 }
2031 
2032 static inline int digital_route_shift(int idx)
2033 {
2034 	return idx * 3;
2035 }
2036 
2037 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2038 {
2039 	unsigned long val;
2040 	unsigned char eitem;
2041 	static const unsigned char xlate[8] = {
2042 		0, 255, 1, 2, 255, 255, 3, 4,
2043 	};
2044 
2045 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2046 	val >>= shift;
2047 	val &= 7; /* we now have 3 bits per output */
2048 	eitem = xlate[val];
2049 	if (eitem == 255) {
2050 		snd_BUG();
2051 		return 0;
2052 	}
2053 	return eitem;
2054 }
2055 
2056 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2057 								int shift)
2058 {
2059 	unsigned int old_val, nval;
2060 	int change;
2061 	static const unsigned char xroute[8] = {
2062 		0, /* PCM */
2063 		2, /* PSDIN0 Left */
2064 		3, /* PSDIN0 Right */
2065 		6, /* SPDIN Left */
2066 		7, /* SPDIN Right */
2067 	};
2068 
2069 	nval = xroute[val % 5];
2070 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2071 	val &= ~(0x07 << shift);
2072 	val |= nval << shift;
2073 	change = val != old_val;
2074 	if (change)
2075 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2076 	return change;
2077 }
2078 
2079 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2080 					   struct snd_ctl_elem_value *ucontrol)
2081 {
2082 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2083 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2084 	ucontrol->value.enumerated.item[0] =
2085 		snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2086 	return 0;
2087 }
2088 
2089 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2090 					   struct snd_ctl_elem_value *ucontrol)
2091 {
2092 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2093 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2094 	return snd_ice1724_put_route_val(ice,
2095 					 ucontrol->value.enumerated.item[0],
2096 					 analog_route_shift(idx));
2097 }
2098 
2099 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2100 					  struct snd_ctl_elem_value *ucontrol)
2101 {
2102 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2103 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2104 	ucontrol->value.enumerated.item[0] =
2105 		snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2106 	return 0;
2107 }
2108 
2109 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2110 					  struct snd_ctl_elem_value *ucontrol)
2111 {
2112 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2113 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2114 	return snd_ice1724_put_route_val(ice,
2115 					 ucontrol->value.enumerated.item[0],
2116 					 digital_route_shift(idx));
2117 }
2118 
2119 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2120 {
2121 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2122 	.name = "H/W Playback Route",
2123 	.info = snd_vt1724_pro_route_info,
2124 	.get = snd_vt1724_pro_route_analog_get,
2125 	.put = snd_vt1724_pro_route_analog_put,
2126 };
2127 
2128 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2129 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2130 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2131 	.info = snd_vt1724_pro_route_info,
2132 	.get = snd_vt1724_pro_route_spdif_get,
2133 	.put = snd_vt1724_pro_route_spdif_put,
2134 	.count = 2,
2135 };
2136 
2137 
2138 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2139 				    struct snd_ctl_elem_info *uinfo)
2140 {
2141 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2142 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2143 	uinfo->value.integer.min = 0;
2144 	uinfo->value.integer.max = 255;
2145 	return 0;
2146 }
2147 
2148 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2149 				   struct snd_ctl_elem_value *ucontrol)
2150 {
2151 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2152 	int idx;
2153 
2154 	spin_lock_irq(&ice->reg_lock);
2155 	for (idx = 0; idx < 22; idx++) {
2156 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2157 		ucontrol->value.integer.value[idx] =
2158 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2159 	}
2160 	spin_unlock_irq(&ice->reg_lock);
2161 	return 0;
2162 }
2163 
2164 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2165 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
2166 	.name = "Multi Track Peak",
2167 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2168 	.info = snd_vt1724_pro_peak_info,
2169 	.get = snd_vt1724_pro_peak_get
2170 };
2171 
2172 /*
2173  *
2174  */
2175 
2176 static const struct snd_ice1712_card_info no_matched;
2177 
2178 
2179 /*
2180   ooAoo cards with no controls
2181 */
2182 static const unsigned char ooaoo_sq210_eeprom[] = {
2183 	[ICE_EEP2_SYSCONF]     = 0x4c,	/* 49MHz crystal, no mpu401, no ADC,
2184 					   1xDACs */
2185 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
2186 	[ICE_EEP2_I2S]         = 0x78,	/* no volume, 96k, 24bit, 192k */
2187 	[ICE_EEP2_SPDIF]       = 0xc1,	/* out-en, out-int, out-ext */
2188 	[ICE_EEP2_GPIO_DIR]    = 0x00,	/* no GPIOs are used */
2189 	[ICE_EEP2_GPIO_DIR1]   = 0x00,
2190 	[ICE_EEP2_GPIO_DIR2]   = 0x00,
2191 	[ICE_EEP2_GPIO_MASK]   = 0xff,
2192 	[ICE_EEP2_GPIO_MASK1]  = 0xff,
2193 	[ICE_EEP2_GPIO_MASK2]  = 0xff,
2194 
2195 	[ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2196 	[ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2197 					  and GPIO15 always zero */
2198 	[ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2199 };
2200 
2201 
2202 static const struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2203 	{
2204 		.name = "ooAoo SQ210a",
2205 		.model = "sq210a",
2206 		.eeprom_size = sizeof(ooaoo_sq210_eeprom),
2207 		.eeprom_data = ooaoo_sq210_eeprom,
2208 	},
2209 	{ } /* terminator */
2210 };
2211 
2212 static const struct snd_ice1712_card_info *card_tables[] = {
2213 	snd_vt1724_revo_cards,
2214 	snd_vt1724_amp_cards,
2215 	snd_vt1724_aureon_cards,
2216 	snd_vt1720_mobo_cards,
2217 	snd_vt1720_pontis_cards,
2218 	snd_vt1724_prodigy_hifi_cards,
2219 	snd_vt1724_prodigy192_cards,
2220 	snd_vt1724_juli_cards,
2221 	snd_vt1724_maya44_cards,
2222 	snd_vt1724_phase_cards,
2223 	snd_vt1724_wtm_cards,
2224 	snd_vt1724_se_cards,
2225 	snd_vt1724_qtet_cards,
2226 	snd_vt1724_ooaoo_cards,
2227 	snd_vt1724_psc724_cards,
2228 	NULL,
2229 };
2230 
2231 
2232 /*
2233  */
2234 
2235 static void wait_i2c_busy(struct snd_ice1712 *ice)
2236 {
2237 	int t = 0x10000;
2238 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2239 		;
2240 	if (t == -1)
2241 		dev_err(ice->card->dev, "i2c busy timeout\n");
2242 }
2243 
2244 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2245 				  unsigned char dev, unsigned char addr)
2246 {
2247 	unsigned char val;
2248 
2249 	mutex_lock(&ice->i2c_mutex);
2250 	wait_i2c_busy(ice);
2251 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2252 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2253 	wait_i2c_busy(ice);
2254 	val = inb(ICEREG1724(ice, I2C_DATA));
2255 	mutex_unlock(&ice->i2c_mutex);
2256 	/*
2257 	dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2258 	*/
2259 	return val;
2260 }
2261 
2262 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2263 			  unsigned char dev, unsigned char addr, unsigned char data)
2264 {
2265 	mutex_lock(&ice->i2c_mutex);
2266 	wait_i2c_busy(ice);
2267 	/*
2268 	dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2269 	*/
2270 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2271 	outb(data, ICEREG1724(ice, I2C_DATA));
2272 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2273 	wait_i2c_busy(ice);
2274 	mutex_unlock(&ice->i2c_mutex);
2275 }
2276 
2277 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2278 				  const char *modelname)
2279 {
2280 	const int dev = 0xa0;		/* EEPROM device address */
2281 	unsigned int i, size;
2282 	const struct snd_ice1712_card_info * const *tbl, *c;
2283 
2284 	if (!modelname || !*modelname) {
2285 		ice->eeprom.subvendor = 0;
2286 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2287 			ice->eeprom.subvendor =
2288 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2289 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2290 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2291 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2292 		if (ice->eeprom.subvendor == 0 ||
2293 		    ice->eeprom.subvendor == (unsigned int)-1) {
2294 			/* invalid subvendor from EEPROM, try the PCI
2295 			 * subststem ID instead
2296 			 */
2297 			u16 vendor, device;
2298 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2299 					     &vendor);
2300 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2301 			ice->eeprom.subvendor =
2302 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2303 			if (ice->eeprom.subvendor == 0 ||
2304 			    ice->eeprom.subvendor == (unsigned int)-1) {
2305 				dev_err(ice->card->dev,
2306 					"No valid ID is found\n");
2307 				return -ENXIO;
2308 			}
2309 		}
2310 	}
2311 	for (tbl = card_tables; *tbl; tbl++) {
2312 		for (c = *tbl; c->name; c++) {
2313 			if (modelname && c->model &&
2314 			    !strcmp(modelname, c->model)) {
2315 				dev_info(ice->card->dev,
2316 					 "Using board model %s\n",
2317 				       c->name);
2318 				ice->eeprom.subvendor = c->subvendor;
2319 			} else if (c->subvendor != ice->eeprom.subvendor)
2320 				continue;
2321 			ice->card_info = c;
2322 			if (!c->eeprom_size || !c->eeprom_data)
2323 				goto found;
2324 			/* if the EEPROM is given by the driver, use it */
2325 			dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2326 			ice->eeprom.version = 2;
2327 			ice->eeprom.size = c->eeprom_size + 6;
2328 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2329 			goto read_skipped;
2330 		}
2331 	}
2332 	dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2333 	       ice->eeprom.subvendor);
2334 #ifdef CONFIG_PM_SLEEP
2335 	/* assume AC97-only card which can suspend without additional code */
2336 	ice->pm_suspend_enabled = 1;
2337 #endif
2338 
2339  found:
2340 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2341 	if (ice->eeprom.size < 6)
2342 		ice->eeprom.size = 32;
2343 	else if (ice->eeprom.size > 32) {
2344 		dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2345 		       ice->eeprom.size);
2346 		return -EIO;
2347 	}
2348 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2349 	if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2350 		dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2351 		       ice->eeprom.version);
2352 	size = ice->eeprom.size - 6;
2353 	for (i = 0; i < size; i++)
2354 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2355 
2356  read_skipped:
2357 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2358 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2359 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2360 
2361 	return 0;
2362 }
2363 
2364 
2365 
2366 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2367 {
2368 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2369 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2370 	msleep(10);
2371 	outb(0, ICEREG1724(ice, CONTROL));
2372 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2373 	msleep(10);
2374 }
2375 
2376 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2377 {
2378 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2379 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2380 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2381 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2382 
2383 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2384 	ice->gpio.direction = ice->eeprom.gpiodir;
2385 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2386 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2387 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2388 
2389 	outb(0, ICEREG1724(ice, POWERDOWN));
2390 
2391 	/* MPU_RX and TX irq masks are cleared later dynamically */
2392 	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2393 
2394 	/* don't handle FIFO overrun/underruns (just yet),
2395 	 * since they cause machine lockups
2396 	 */
2397 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2398 
2399 	return 0;
2400 }
2401 
2402 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2403 {
2404 	int err;
2405 	struct snd_kcontrol *kctl;
2406 
2407 	if (snd_BUG_ON(!ice->pcm))
2408 		return -EIO;
2409 
2410 	if (!ice->own_routing) {
2411 		err = snd_ctl_add(ice->card,
2412 			snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2413 		if (err < 0)
2414 			return err;
2415 	}
2416 
2417 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2418 	if (err < 0)
2419 		return err;
2420 
2421 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2422 	if (err < 0)
2423 		return err;
2424 	kctl->id.device = ice->pcm->device;
2425 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2426 	if (err < 0)
2427 		return err;
2428 	kctl->id.device = ice->pcm->device;
2429 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2430 	if (err < 0)
2431 		return err;
2432 	kctl->id.device = ice->pcm->device;
2433 #if 0 /* use default only */
2434 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2435 	if (err < 0)
2436 		return err;
2437 	kctl->id.device = ice->pcm->device;
2438 	ice->spdif.stream_ctl = kctl;
2439 #endif
2440 	return 0;
2441 }
2442 
2443 
2444 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2445 {
2446 	int err;
2447 
2448 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2449 	if (err < 0)
2450 		return err;
2451 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2452 	if (err < 0)
2453 		return err;
2454 
2455 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2456 	if (err < 0)
2457 		return err;
2458 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2459 	if (err < 0)
2460 		return err;
2461 
2462 	if (!ice->own_routing && ice->num_total_dacs > 0) {
2463 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2464 		tmp.count = ice->num_total_dacs;
2465 		if (ice->vt1720 && tmp.count > 2)
2466 			tmp.count = 2;
2467 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2468 		if (err < 0)
2469 			return err;
2470 	}
2471 
2472 	return snd_ctl_add(ice->card,
2473 			   snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2474 }
2475 
2476 static int snd_vt1724_free(struct snd_ice1712 *ice)
2477 {
2478 	if (!ice->port)
2479 		goto __hw_end;
2480 	/* mask all interrupts */
2481 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2482 	outb(0xff, ICEREG1724(ice, IRQMASK));
2483 	/* --- */
2484 __hw_end:
2485 	if (ice->irq >= 0)
2486 		free_irq(ice->irq, ice);
2487 	pci_release_regions(ice->pci);
2488 	snd_ice1712_akm4xxx_free(ice);
2489 	pci_disable_device(ice->pci);
2490 	kfree(ice->spec);
2491 	kfree(ice);
2492 	return 0;
2493 }
2494 
2495 static int snd_vt1724_dev_free(struct snd_device *device)
2496 {
2497 	struct snd_ice1712 *ice = device->device_data;
2498 	return snd_vt1724_free(ice);
2499 }
2500 
2501 static int snd_vt1724_create(struct snd_card *card,
2502 			     struct pci_dev *pci,
2503 			     const char *modelname,
2504 			     struct snd_ice1712 **r_ice1712)
2505 {
2506 	struct snd_ice1712 *ice;
2507 	int err;
2508 	static const struct snd_device_ops ops = {
2509 		.dev_free =	snd_vt1724_dev_free,
2510 	};
2511 
2512 	*r_ice1712 = NULL;
2513 
2514 	/* enable PCI device */
2515 	err = pci_enable_device(pci);
2516 	if (err < 0)
2517 		return err;
2518 
2519 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2520 	if (ice == NULL) {
2521 		pci_disable_device(pci);
2522 		return -ENOMEM;
2523 	}
2524 	ice->vt1724 = 1;
2525 	spin_lock_init(&ice->reg_lock);
2526 	mutex_init(&ice->gpio_mutex);
2527 	mutex_init(&ice->open_mutex);
2528 	mutex_init(&ice->i2c_mutex);
2529 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2530 	ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2531 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2532 	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2533 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2534 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2535 	ice->card = card;
2536 	ice->pci = pci;
2537 	ice->irq = -1;
2538 	pci_set_master(pci);
2539 	snd_vt1724_proc_init(ice);
2540 
2541 	card->private_data = ice;
2542 
2543 	err = pci_request_regions(pci, "ICE1724");
2544 	if (err < 0) {
2545 		kfree(ice);
2546 		pci_disable_device(pci);
2547 		return err;
2548 	}
2549 	ice->port = pci_resource_start(pci, 0);
2550 	ice->profi_port = pci_resource_start(pci, 1);
2551 
2552 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2553 			IRQF_SHARED, KBUILD_MODNAME, ice)) {
2554 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2555 		snd_vt1724_free(ice);
2556 		return -EIO;
2557 	}
2558 
2559 	ice->irq = pci->irq;
2560 	card->sync_irq = ice->irq;
2561 
2562 	snd_vt1724_chip_reset(ice);
2563 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2564 		snd_vt1724_free(ice);
2565 		return -EIO;
2566 	}
2567 	if (snd_vt1724_chip_init(ice) < 0) {
2568 		snd_vt1724_free(ice);
2569 		return -EIO;
2570 	}
2571 
2572 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2573 	if (err < 0) {
2574 		snd_vt1724_free(ice);
2575 		return err;
2576 	}
2577 
2578 	*r_ice1712 = ice;
2579 	return 0;
2580 }
2581 
2582 
2583 /*
2584  *
2585  * Registration
2586  *
2587  */
2588 
2589 static int snd_vt1724_probe(struct pci_dev *pci,
2590 			    const struct pci_device_id *pci_id)
2591 {
2592 	static int dev;
2593 	struct snd_card *card;
2594 	struct snd_ice1712 *ice;
2595 	int pcm_dev = 0, err;
2596 	const struct snd_ice1712_card_info * const *tbl, *c;
2597 
2598 	if (dev >= SNDRV_CARDS)
2599 		return -ENODEV;
2600 	if (!enable[dev]) {
2601 		dev++;
2602 		return -ENOENT;
2603 	}
2604 
2605 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2606 			   0, &card);
2607 	if (err < 0)
2608 		return err;
2609 
2610 	strcpy(card->driver, "ICE1724");
2611 	strcpy(card->shortname, "ICEnsemble ICE1724");
2612 
2613 	err = snd_vt1724_create(card, pci, model[dev], &ice);
2614 	if (err < 0) {
2615 		snd_card_free(card);
2616 		return err;
2617 	}
2618 
2619 	/* field init before calling chip_init */
2620 	ice->ext_clock_count = 0;
2621 
2622 	for (tbl = card_tables; *tbl; tbl++) {
2623 		for (c = *tbl; c->name; c++) {
2624 			if ((model[dev] && c->model &&
2625 			     !strcmp(model[dev], c->model)) ||
2626 			    (c->subvendor == ice->eeprom.subvendor)) {
2627 				strcpy(card->shortname, c->name);
2628 				if (c->driver) /* specific driver? */
2629 					strcpy(card->driver, c->driver);
2630 				if (c->chip_init) {
2631 					err = c->chip_init(ice);
2632 					if (err < 0) {
2633 						snd_card_free(card);
2634 						return err;
2635 					}
2636 				}
2637 				goto __found;
2638 			}
2639 		}
2640 	}
2641 	c = &no_matched;
2642 __found:
2643 	/*
2644 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2645 	* ICE1712 has only one for both (mixed up).
2646 	*
2647 	* Confusingly the analog PCM is named "professional" here because it
2648 	* was called so in ice1712 driver, and vt1724 driver is derived from
2649 	* ice1712 driver.
2650 	*/
2651 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2652 	if (!ice->is_spdif_master)
2653 		ice->is_spdif_master = stdclock_is_spdif_master;
2654 	if (!ice->get_rate)
2655 		ice->get_rate = stdclock_get_rate;
2656 	if (!ice->set_rate)
2657 		ice->set_rate = stdclock_set_rate;
2658 	if (!ice->set_mclk)
2659 		ice->set_mclk = stdclock_set_mclk;
2660 	if (!ice->set_spdif_clock)
2661 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2662 	if (!ice->get_spdif_master_type)
2663 		ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2664 	if (!ice->ext_clock_names)
2665 		ice->ext_clock_names = ext_clock_names;
2666 	if (!ice->ext_clock_count)
2667 		ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2668 
2669 	if (!ice->hw_rates)
2670 		set_std_hw_rates(ice);
2671 
2672 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2673 	if (err < 0) {
2674 		snd_card_free(card);
2675 		return err;
2676 	}
2677 
2678 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2679 	if (err < 0) {
2680 		snd_card_free(card);
2681 		return err;
2682 	}
2683 
2684 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2685 	if (err < 0) {
2686 		snd_card_free(card);
2687 		return err;
2688 	}
2689 
2690 	err = snd_vt1724_ac97_mixer(ice);
2691 	if (err < 0) {
2692 		snd_card_free(card);
2693 		return err;
2694 	}
2695 
2696 	err = snd_vt1724_build_controls(ice);
2697 	if (err < 0) {
2698 		snd_card_free(card);
2699 		return err;
2700 	}
2701 
2702 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2703 		err = snd_vt1724_spdif_build_controls(ice);
2704 		if (err < 0) {
2705 			snd_card_free(card);
2706 			return err;
2707 		}
2708 	}
2709 
2710 	if (c->build_controls) {
2711 		err = c->build_controls(ice);
2712 		if (err < 0) {
2713 			snd_card_free(card);
2714 			return err;
2715 		}
2716 	}
2717 
2718 	if (!c->no_mpu401) {
2719 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2720 			struct snd_rawmidi *rmidi;
2721 
2722 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2723 			if (err < 0) {
2724 				snd_card_free(card);
2725 				return err;
2726 			}
2727 			ice->rmidi[0] = rmidi;
2728 			rmidi->private_data = ice;
2729 			strcpy(rmidi->name, "ICE1724 MIDI");
2730 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2731 					    SNDRV_RAWMIDI_INFO_INPUT |
2732 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2733 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2734 					    &vt1724_midi_output_ops);
2735 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2736 					    &vt1724_midi_input_ops);
2737 
2738 			/* set watermarks */
2739 			outb(VT1724_MPU_RX_FIFO | 0x1,
2740 			     ICEREG1724(ice, MPU_FIFO_WM));
2741 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2742 			/* set UART mode */
2743 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2744 		}
2745 	}
2746 
2747 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2748 		card->shortname, ice->port, ice->irq);
2749 
2750 	err = snd_card_register(card);
2751 	if (err < 0) {
2752 		snd_card_free(card);
2753 		return err;
2754 	}
2755 	pci_set_drvdata(pci, card);
2756 	dev++;
2757 	return 0;
2758 }
2759 
2760 static void snd_vt1724_remove(struct pci_dev *pci)
2761 {
2762 	struct snd_card *card = pci_get_drvdata(pci);
2763 	struct snd_ice1712 *ice = card->private_data;
2764 
2765 	if (ice->card_info && ice->card_info->chip_exit)
2766 		ice->card_info->chip_exit(ice);
2767 	snd_card_free(card);
2768 }
2769 
2770 #ifdef CONFIG_PM_SLEEP
2771 static int snd_vt1724_suspend(struct device *dev)
2772 {
2773 	struct snd_card *card = dev_get_drvdata(dev);
2774 	struct snd_ice1712 *ice = card->private_data;
2775 
2776 	if (!ice->pm_suspend_enabled)
2777 		return 0;
2778 
2779 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2780 
2781 	snd_ac97_suspend(ice->ac97);
2782 
2783 	spin_lock_irq(&ice->reg_lock);
2784 	ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2785 	ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2786 	ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2787 	ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2788 	spin_unlock_irq(&ice->reg_lock);
2789 
2790 	if (ice->pm_suspend)
2791 		ice->pm_suspend(ice);
2792 	return 0;
2793 }
2794 
2795 static int snd_vt1724_resume(struct device *dev)
2796 {
2797 	struct snd_card *card = dev_get_drvdata(dev);
2798 	struct snd_ice1712 *ice = card->private_data;
2799 
2800 	if (!ice->pm_suspend_enabled)
2801 		return 0;
2802 
2803 	snd_vt1724_chip_reset(ice);
2804 
2805 	if (snd_vt1724_chip_init(ice) < 0) {
2806 		snd_card_disconnect(card);
2807 		return -EIO;
2808 	}
2809 
2810 	if (ice->pm_resume)
2811 		ice->pm_resume(ice);
2812 
2813 	if (ice->pm_saved_is_spdif_master) {
2814 		/* switching to external clock via SPDIF */
2815 		ice->set_spdif_clock(ice, 0);
2816 	} else {
2817 		/* internal on-card clock */
2818 		int rate;
2819 		if (ice->cur_rate)
2820 			rate = ice->cur_rate;
2821 		else
2822 			rate = ice->pro_rate_default;
2823 		snd_vt1724_set_pro_rate(ice, rate, 1);
2824 	}
2825 
2826 	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2827 
2828 	outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2829 	outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2830 
2831 	snd_ac97_resume(ice->ac97);
2832 
2833 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2834 	return 0;
2835 }
2836 
2837 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2838 #define SND_VT1724_PM_OPS	&snd_vt1724_pm
2839 #else
2840 #define SND_VT1724_PM_OPS	NULL
2841 #endif /* CONFIG_PM_SLEEP */
2842 
2843 static struct pci_driver vt1724_driver = {
2844 	.name = KBUILD_MODNAME,
2845 	.id_table = snd_vt1724_ids,
2846 	.probe = snd_vt1724_probe,
2847 	.remove = snd_vt1724_remove,
2848 	.driver = {
2849 		.pm = SND_VT1724_PM_OPS,
2850 	},
2851 };
2852 
2853 module_pci_driver(vt1724_driver);
2854