xref: /linux/sound/pci/ice1712/ice1724.c (revision 05a54fa773284d1a7923cdfdd8f0c8dabb98bd26)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
4  *                   VIA VT1720 (Envy24PT)
5  *
6  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
7  *                    2002 James Stafford <jstafford@ampltd.com>
8  *                    2003 Takashi Iwai <tiwai@suse.de>
9  */
10 
11 #include <linux/delay.h>
12 #include <linux/interrupt.h>
13 #include <linux/init.h>
14 #include <linux/pci.h>
15 #include <linux/slab.h>
16 #include <linux/module.h>
17 #include <linux/mutex.h>
18 #include <sound/core.h>
19 #include <sound/info.h>
20 #include <sound/rawmidi.h>
21 #include <sound/initval.h>
22 
23 #include <sound/asoundef.h>
24 
25 #include "ice1712.h"
26 #include "envy24ht.h"
27 
28 /* lowlevel routines */
29 #include "amp.h"
30 #include "revo.h"
31 #include "aureon.h"
32 #include "vt1720_mobo.h"
33 #include "pontis.h"
34 #include "prodigy192.h"
35 #include "prodigy_hifi.h"
36 #include "juli.h"
37 #include "maya44.h"
38 #include "phase.h"
39 #include "wtm.h"
40 #include "se.h"
41 #include "quartet.h"
42 #include "psc724.h"
43 
44 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
45 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
46 MODULE_LICENSE("GPL");
47 
48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
50 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
51 static char *model[SNDRV_CARDS];
52 
53 module_param_array(index, int, NULL, 0444);
54 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
55 module_param_array(id, charp, NULL, 0444);
56 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
57 module_param_array(enable, bool, NULL, 0444);
58 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
59 module_param_array(model, charp, NULL, 0444);
60 MODULE_PARM_DESC(model, "Use the given board model.");
61 
62 
63 /* Both VT1720 and VT1724 have the same PCI IDs */
64 static const struct pci_device_id snd_vt1724_ids[] = {
65 	{ PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 },
66 	{ 0, }
67 };
68 
69 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
70 
71 
72 static int PRO_RATE_LOCKED;
73 static int PRO_RATE_RESET = 1;
74 static unsigned int PRO_RATE_DEFAULT = 44100;
75 
76 static const char * const ext_clock_names[1] = { "IEC958 In" };
77 
78 /*
79  *  Basic I/O
80  */
81 
82 /*
83  *  default rates, default clock routines
84  */
85 
86 /* check whether the clock mode is spdif-in */
87 static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
88 {
89 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
90 }
91 
92 /*
93  * locking rate makes sense only for internal clock mode
94  */
95 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
96 {
97 	return (!ice->is_spdif_master(ice)) && PRO_RATE_LOCKED;
98 }
99 
100 /*
101  * ac97 section
102  */
103 
104 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
105 {
106 	unsigned char old_cmd;
107 	int tm;
108 	for (tm = 0; tm < 0x10000; tm++) {
109 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
110 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
111 			continue;
112 		if (!(old_cmd & VT1724_AC97_READY))
113 			continue;
114 		return old_cmd;
115 	}
116 	dev_dbg(ice->card->dev, "snd_vt1724_ac97_ready: timeout\n");
117 	return old_cmd;
118 }
119 
120 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
121 {
122 	int tm;
123 	for (tm = 0; tm < 0x10000; tm++)
124 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
125 			return 0;
126 	dev_dbg(ice->card->dev, "snd_vt1724_ac97_wait_bit: timeout\n");
127 	return -EIO;
128 }
129 
130 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
131 				  unsigned short reg,
132 				  unsigned short val)
133 {
134 	struct snd_ice1712 *ice = ac97->private_data;
135 	unsigned char old_cmd;
136 
137 	old_cmd = snd_vt1724_ac97_ready(ice);
138 	old_cmd &= ~VT1724_AC97_ID_MASK;
139 	old_cmd |= ac97->num;
140 	outb(reg, ICEMT1724(ice, AC97_INDEX));
141 	outw(val, ICEMT1724(ice, AC97_DATA));
142 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
143 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
144 }
145 
146 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
147 {
148 	struct snd_ice1712 *ice = ac97->private_data;
149 	unsigned char old_cmd;
150 
151 	old_cmd = snd_vt1724_ac97_ready(ice);
152 	old_cmd &= ~VT1724_AC97_ID_MASK;
153 	old_cmd |= ac97->num;
154 	outb(reg, ICEMT1724(ice, AC97_INDEX));
155 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
156 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
157 		return ~0;
158 	return inw(ICEMT1724(ice, AC97_DATA));
159 }
160 
161 
162 /*
163  * GPIO operations
164  */
165 
166 /* set gpio direction 0 = read, 1 = write */
167 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
168 {
169 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
170 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
171 }
172 
173 /* get gpio direction 0 = read, 1 = write */
174 static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
175 {
176 	return inl(ICEREG1724(ice, GPIO_DIRECTION));
177 }
178 
179 /* set the gpio mask (0 = writable) */
180 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
181 {
182 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
183 	if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
184 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
185 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
186 }
187 
188 static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
189 {
190 	unsigned int mask;
191 	if (!ice->vt1720)
192 		mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
193 	else
194 		mask = 0;
195 	mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
196 	return mask;
197 }
198 
199 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
200 {
201 	outw(data, ICEREG1724(ice, GPIO_DATA));
202 	if (!ice->vt1720)
203 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
204 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
205 }
206 
207 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
208 {
209 	unsigned int data;
210 	if (!ice->vt1720)
211 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
212 	else
213 		data = 0;
214 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
215 	return data;
216 }
217 
218 /*
219  * MIDI
220  */
221 
222 static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
223 {
224 	unsigned int count;
225 
226 	for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
227 		inb(ICEREG1724(ice, MPU_DATA));
228 }
229 
230 static inline struct snd_rawmidi_substream *
231 get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
232 {
233 	return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
234 				struct snd_rawmidi_substream, list);
235 }
236 
237 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
238 
239 static void vt1724_midi_write(struct snd_ice1712 *ice)
240 {
241 	struct snd_rawmidi_substream *s;
242 	int count, i;
243 	u8 buffer[32];
244 
245 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
246 	count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
247 	if (count > 0) {
248 		count = snd_rawmidi_transmit(s, buffer, count);
249 		for (i = 0; i < count; ++i)
250 			outb(buffer[i], ICEREG1724(ice, MPU_DATA));
251 	}
252 	/* mask irq when all bytes have been transmitted.
253 	 * enabled again in output_trigger when the new data comes in.
254 	 */
255 	enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
256 			!snd_rawmidi_transmit_empty(s));
257 }
258 
259 static void vt1724_midi_read(struct snd_ice1712 *ice)
260 {
261 	struct snd_rawmidi_substream *s;
262 	int count, i;
263 	u8 buffer[32];
264 
265 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
266 	count = inb(ICEREG1724(ice, MPU_RXFIFO));
267 	if (count > 0) {
268 		count = min(count, 32);
269 		for (i = 0; i < count; ++i)
270 			buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
271 		snd_rawmidi_receive(s, buffer, count);
272 	}
273 }
274 
275 /* call with ice->reg_lock */
276 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
277 {
278 	u8 mask = inb(ICEREG1724(ice, IRQMASK));
279 	if (enable)
280 		mask &= ~flag;
281 	else
282 		mask |= flag;
283 	outb(mask, ICEREG1724(ice, IRQMASK));
284 }
285 
286 static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
287 				   u8 flag, int enable)
288 {
289 	struct snd_ice1712 *ice = substream->rmidi->private_data;
290 
291 	guard(spinlock_irq)(&ice->reg_lock);
292 	enable_midi_irq(ice, flag, enable);
293 }
294 
295 static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
296 {
297 	return 0;
298 }
299 
300 static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
301 {
302 	return 0;
303 }
304 
305 static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
306 {
307 	struct snd_ice1712 *ice = s->rmidi->private_data;
308 
309 	guard(spinlock_irqsave)(&ice->reg_lock);
310 	if (up) {
311 		ice->midi_output = 1;
312 		vt1724_midi_write(ice);
313 	} else {
314 		ice->midi_output = 0;
315 		enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
316 	}
317 }
318 
319 static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
320 {
321 	struct snd_ice1712 *ice = s->rmidi->private_data;
322 	unsigned long timeout;
323 
324 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
325 	/* 32 bytes should be transmitted in less than about 12 ms */
326 	timeout = jiffies + msecs_to_jiffies(15);
327 	do {
328 		if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
329 			break;
330 		schedule_timeout_uninterruptible(1);
331 	} while (time_after(timeout, jiffies));
332 }
333 
334 static const struct snd_rawmidi_ops vt1724_midi_output_ops = {
335 	.open = vt1724_midi_output_open,
336 	.close = vt1724_midi_output_close,
337 	.trigger = vt1724_midi_output_trigger,
338 	.drain = vt1724_midi_output_drain,
339 };
340 
341 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
342 {
343 	vt1724_midi_clear_rx(s->rmidi->private_data);
344 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
345 	return 0;
346 }
347 
348 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
349 {
350 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
351 	return 0;
352 }
353 
354 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
355 {
356 	struct snd_ice1712 *ice = s->rmidi->private_data;
357 
358 	guard(spinlock_irqsave)(&ice->reg_lock);
359 	if (up) {
360 		ice->midi_input = 1;
361 		vt1724_midi_read(ice);
362 	} else {
363 		ice->midi_input = 0;
364 	}
365 }
366 
367 static const struct snd_rawmidi_ops vt1724_midi_input_ops = {
368 	.open = vt1724_midi_input_open,
369 	.close = vt1724_midi_input_close,
370 	.trigger = vt1724_midi_input_trigger,
371 };
372 
373 
374 /*
375  *  Interrupt handler
376  */
377 
378 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
379 {
380 	struct snd_ice1712 *ice = dev_id;
381 	unsigned char status;
382 	unsigned char status_mask =
383 		VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
384 	int handled = 0;
385 	int timeout = 0;
386 
387 	while (1) {
388 		status = inb(ICEREG1724(ice, IRQSTAT));
389 		status &= status_mask;
390 		if (status == 0)
391 			break;
392 		scoped_guard(spinlock, &ice->reg_lock) {
393 			if (++timeout > 10) {
394 				status = inb(ICEREG1724(ice, IRQSTAT));
395 				dev_err(ice->card->dev,
396 					"Too long irq loop, status = 0x%x\n", status);
397 				if (status & VT1724_IRQ_MPU_TX) {
398 					dev_err(ice->card->dev, "Disabling MPU_TX\n");
399 					enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
400 				}
401 				goto out;
402 			}
403 			handled = 1;
404 			if (status & VT1724_IRQ_MPU_TX) {
405 				if (ice->midi_output)
406 					vt1724_midi_write(ice);
407 				else
408 					enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
409 				/* Due to mysterical reasons, MPU_TX is always
410 				 * generated (and can't be cleared) when a PCM
411 				 * playback is going.  So let's ignore at the
412 				 * next loop.
413 				 */
414 				status_mask &= ~VT1724_IRQ_MPU_TX;
415 			}
416 			if (status & VT1724_IRQ_MPU_RX) {
417 				if (ice->midi_input)
418 					vt1724_midi_read(ice);
419 				else
420 					vt1724_midi_clear_rx(ice);
421 			}
422 			/* ack MPU irq */
423 			outb(status, ICEREG1724(ice, IRQSTAT));
424 		}
425 		if (status & VT1724_IRQ_MTPCM) {
426 			/*
427 			 * Multi-track PCM
428 			 * PCM assignment are:
429 			 * Playback DMA0 (M/C) = playback_pro_substream
430 			 * Playback DMA1 = playback_con_substream_ds[0]
431 			 * Playback DMA2 = playback_con_substream_ds[1]
432 			 * Playback DMA3 = playback_con_substream_ds[2]
433 			 * Playback DMA4 (SPDIF) = playback_con_substream
434 			 * Record DMA0 = capture_pro_substream
435 			 * Record DMA1 = capture_con_substream
436 			 */
437 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
438 			if (mtstat & VT1724_MULTI_PDMA0) {
439 				if (ice->playback_pro_substream)
440 					snd_pcm_period_elapsed(ice->playback_pro_substream);
441 			}
442 			if (mtstat & VT1724_MULTI_RDMA0) {
443 				if (ice->capture_pro_substream)
444 					snd_pcm_period_elapsed(ice->capture_pro_substream);
445 			}
446 			if (mtstat & VT1724_MULTI_PDMA1) {
447 				if (ice->playback_con_substream_ds[0])
448 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
449 			}
450 			if (mtstat & VT1724_MULTI_PDMA2) {
451 				if (ice->playback_con_substream_ds[1])
452 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
453 			}
454 			if (mtstat & VT1724_MULTI_PDMA3) {
455 				if (ice->playback_con_substream_ds[2])
456 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
457 			}
458 			if (mtstat & VT1724_MULTI_PDMA4) {
459 				if (ice->playback_con_substream)
460 					snd_pcm_period_elapsed(ice->playback_con_substream);
461 			}
462 			if (mtstat & VT1724_MULTI_RDMA1) {
463 				if (ice->capture_con_substream)
464 					snd_pcm_period_elapsed(ice->capture_con_substream);
465 			}
466 			/* ack anyway to avoid freeze */
467 			outb(mtstat, ICEMT1724(ice, IRQ));
468 			/* ought to really handle this properly */
469 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
470 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
471 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
472 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
473 				/* If I don't do this, I get machine lockup due to continual interrupts */
474 			}
475 
476 		}
477 	}
478  out:
479 	return IRQ_RETVAL(handled);
480 }
481 
482 /*
483  *  PCM code - professional part (multitrack)
484  */
485 
486 static const unsigned int rates[] = {
487 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
488 	32000, 44100, 48000, 64000, 88200, 96000,
489 	176400, 192000,
490 };
491 
492 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
493 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
494 	.list = rates,
495 	.mask = 0,
496 };
497 
498 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
499 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
500 	.list = rates,
501 	.mask = 0,
502 };
503 
504 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
505 	.count = ARRAY_SIZE(rates),
506 	.list = rates,
507 	.mask = 0,
508 };
509 
510 struct vt1724_pcm_reg {
511 	unsigned int addr;	/* ADDR register offset */
512 	unsigned int size;	/* SIZE register offset */
513 	unsigned int count;	/* COUNT register offset */
514 	unsigned int start;	/* start & pause bit */
515 };
516 
517 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
518 {
519 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
520 	unsigned char what;
521 	unsigned char old;
522 	struct snd_pcm_substream *s;
523 
524 	what = 0;
525 	snd_pcm_group_for_each_entry(s, substream) {
526 		if (snd_pcm_substream_chip(s) == ice) {
527 			const struct vt1724_pcm_reg *reg;
528 			reg = s->runtime->private_data;
529 			what |= reg->start;
530 			snd_pcm_trigger_done(s, substream);
531 		}
532 	}
533 
534 	switch (cmd) {
535 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
536 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
537 		scoped_guard(spinlock, &ice->reg_lock) {
538 			old = inb(ICEMT1724(ice, DMA_PAUSE));
539 			if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
540 				old |= what;
541 			else
542 				old &= ~what;
543 			outb(old, ICEMT1724(ice, DMA_PAUSE));
544 		}
545 		break;
546 
547 	case SNDRV_PCM_TRIGGER_START:
548 	case SNDRV_PCM_TRIGGER_STOP:
549 	case SNDRV_PCM_TRIGGER_SUSPEND:
550 		scoped_guard(spinlock, &ice->reg_lock) {
551 			old = inb(ICEMT1724(ice, DMA_CONTROL));
552 			if (cmd == SNDRV_PCM_TRIGGER_START)
553 				old |= what;
554 			else
555 				old &= ~what;
556 			outb(old, ICEMT1724(ice, DMA_CONTROL));
557 		}
558 		break;
559 
560 	case SNDRV_PCM_TRIGGER_RESUME:
561 		/* apps will have to restart stream */
562 		break;
563 
564 	default:
565 		return -EINVAL;
566 	}
567 	return 0;
568 }
569 
570 /*
571  */
572 
573 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
574 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
575 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
576 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
577 
578 static const unsigned int stdclock_rate_list[16] = {
579 	48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
580 	22050, 11025, 88200, 176400, 0, 192000, 64000
581 };
582 
583 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
584 {
585 	return stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
586 }
587 
588 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
589 {
590 	int i;
591 	for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
592 		if (stdclock_rate_list[i] == rate) {
593 			outb(i, ICEMT1724(ice, RATE));
594 			return;
595 		}
596 	}
597 }
598 
599 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
600 				       unsigned int rate)
601 {
602 	unsigned char val, old;
603 	/* check MT02 */
604 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
605 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
606 		if (rate > 96000)
607 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
608 		else
609 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
610 		if (val != old) {
611 			outb(val, ICEMT1724(ice, I2S_FORMAT));
612 			/* master clock changed */
613 			return 1;
614 		}
615 	}
616 	/* no change in master clock */
617 	return 0;
618 }
619 
620 static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
621 				    int force)
622 {
623 	unsigned char mclk_change;
624 	unsigned int i, old_rate;
625 	bool call_set_rate = false;
626 
627 	if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
628 		return -EINVAL;
629 
630 	scoped_guard(spinlock_irqsave, &ice->reg_lock) {
631 		if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
632 		    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
633 			/* running? we cannot change the rate now... */
634 			return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
635 		}
636 		if (!force && is_pro_rate_locked(ice)) {
637 			/* comparing required and current rate - makes sense for
638 			 * internal clock only */
639 			return (rate == ice->cur_rate) ? 0 : -EBUSY;
640 		}
641 
642 		if (force || !ice->is_spdif_master(ice)) {
643 			/* force means the rate was switched by ucontrol, otherwise
644 			 * setting clock rate for internal clock mode */
645 			old_rate = ice->get_rate(ice);
646 			if (force || (old_rate != rate))
647 				call_set_rate = true;
648 			else if (rate == ice->cur_rate) {
649 				return 0;
650 			}
651 		}
652 
653 		ice->cur_rate = rate;
654 	}
655 
656 	if (call_set_rate)
657 		ice->set_rate(ice, rate);
658 
659 	/* setting master clock */
660 	mclk_change = ice->set_mclk(ice, rate);
661 
662 	if (mclk_change && ice->gpio.i2s_mclk_changed)
663 		ice->gpio.i2s_mclk_changed(ice);
664 	if (ice->gpio.set_pro_rate)
665 		ice->gpio.set_pro_rate(ice, rate);
666 
667 	/* set up codecs */
668 	for (i = 0; i < ice->akm_codecs; i++) {
669 		if (ice->akm[i].ops.set_rate_val)
670 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
671 	}
672 	if (ice->spdif.ops.setup_rate)
673 		ice->spdif.ops.setup_rate(ice, rate);
674 
675 	return 0;
676 }
677 
678 static int __snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
679 				      struct snd_pcm_hw_params *hw_params)
680 {
681 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
682 	int i, chs;
683 
684 	chs = params_channels(hw_params);
685 	/* mark surround channels */
686 	if (substream == ice->playback_pro_substream) {
687 		/* PDMA0 can be multi-channel up to 8 */
688 		chs = chs / 2 - 1;
689 		for (i = 0; i < chs; i++) {
690 			if (ice->pcm_reserved[i] &&
691 			    ice->pcm_reserved[i] != substream)
692 				return -EBUSY;
693 			ice->pcm_reserved[i] = substream;
694 		}
695 		for (; i < 3; i++) {
696 			if (ice->pcm_reserved[i] == substream)
697 				ice->pcm_reserved[i] = NULL;
698 		}
699 	} else {
700 		for (i = 0; i < 3; i++) {
701 			/* check individual playback stream */
702 			if (ice->playback_con_substream_ds[i] == substream) {
703 				if (ice->pcm_reserved[i] &&
704 				    ice->pcm_reserved[i] != substream)
705 					return -EBUSY;
706 				ice->pcm_reserved[i] = substream;
707 				break;
708 			}
709 		}
710 	}
711 
712 	return 0;
713 }
714 
715 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
716 				    struct snd_pcm_hw_params *hw_params)
717 {
718 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
719 	int err;
720 
721 	scoped_guard(mutex, &ice->open_mutex) {
722 		err = __snd_vt1724_pcm_hw_params(substream, hw_params);
723 		if (err < 0)
724 			return err;
725 	}
726 
727 	return snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
728 }
729 
730 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
731 {
732 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
733 	int i;
734 
735 	guard(mutex)(&ice->open_mutex);
736 	/* unmark surround channels */
737 	for (i = 0; i < 3; i++)
738 		if (ice->pcm_reserved[i] == substream)
739 			ice->pcm_reserved[i] = NULL;
740 	return 0;
741 }
742 
743 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
744 {
745 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
746 	unsigned char val;
747 	unsigned int size;
748 
749 	guard(spinlock_irq)(&ice->reg_lock);
750 	val = (8 - substream->runtime->channels) >> 1;
751 	outb(val, ICEMT1724(ice, BURST));
752 
753 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
754 
755 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
756 	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
757 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
758 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
759 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
760 	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
761 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
762 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
763 
764 	/*
765 	dev_dbg(ice->card->dev, "pro prepare: ch = %d, addr = 0x%x, "
766 	       "buffer = 0x%x, period = 0x%x\n",
767 	       substream->runtime->channels,
768 	       (unsigned int)substream->runtime->dma_addr,
769 	       snd_pcm_lib_buffer_bytes(substream),
770 	       snd_pcm_lib_period_bytes(substream));
771 	*/
772 	return 0;
773 }
774 
775 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
776 {
777 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
778 	size_t ptr;
779 
780 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
781 		return 0;
782 #if 0 /* read PLAYBACK_ADDR */
783 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
784 	if (ptr < substream->runtime->dma_addr) {
785 		dev_dbg(ice->card->dev, "invalid negative ptr\n");
786 		return 0;
787 	}
788 	ptr -= substream->runtime->dma_addr;
789 	ptr = bytes_to_frames(substream->runtime, ptr);
790 	if (ptr >= substream->runtime->buffer_size) {
791 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
792 			   (int)ptr, (int)substream->runtime->period_size);
793 		return 0;
794 	}
795 #else /* read PLAYBACK_SIZE */
796 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
797 	ptr = (ptr + 1) << 2;
798 	ptr = bytes_to_frames(substream->runtime, ptr);
799 	if (!ptr)
800 		;
801 	else if (ptr <= substream->runtime->buffer_size)
802 		ptr = substream->runtime->buffer_size - ptr;
803 	else {
804 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
805 			   (int)ptr, (int)substream->runtime->buffer_size);
806 		ptr = 0;
807 	}
808 #endif
809 	return ptr;
810 }
811 
812 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
813 {
814 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
815 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
816 
817 	guard(spinlock_irq)(&ice->reg_lock);
818 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
819 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
820 	     ice->profi_port + reg->size);
821 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
822 	     ice->profi_port + reg->count);
823 	return 0;
824 }
825 
826 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
827 {
828 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
829 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
830 	size_t ptr;
831 
832 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
833 		return 0;
834 #if 0 /* use ADDR register */
835 	ptr = inl(ice->profi_port + reg->addr);
836 	ptr -= substream->runtime->dma_addr;
837 	return bytes_to_frames(substream->runtime, ptr);
838 #else /* use SIZE register */
839 	ptr = inw(ice->profi_port + reg->size);
840 	ptr = (ptr + 1) << 2;
841 	ptr = bytes_to_frames(substream->runtime, ptr);
842 	if (!ptr)
843 		;
844 	else if (ptr <= substream->runtime->buffer_size)
845 		ptr = substream->runtime->buffer_size - ptr;
846 	else {
847 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
848 			   (int)ptr, (int)substream->runtime->buffer_size);
849 		ptr = 0;
850 	}
851 	return ptr;
852 #endif
853 }
854 
855 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
856 	.addr = VT1724_MT_PLAYBACK_ADDR,
857 	.size = VT1724_MT_PLAYBACK_SIZE,
858 	.count = VT1724_MT_PLAYBACK_COUNT,
859 	.start = VT1724_PDMA0_START,
860 };
861 
862 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
863 	.addr = VT1724_MT_PDMA4_ADDR,
864 	.size = VT1724_MT_PDMA4_SIZE,
865 	.count = VT1724_MT_PDMA4_COUNT,
866 	.start = VT1724_PDMA4_START,
867 };
868 
869 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
870 	.addr = VT1724_MT_CAPTURE_ADDR,
871 	.size = VT1724_MT_CAPTURE_SIZE,
872 	.count = VT1724_MT_CAPTURE_COUNT,
873 	.start = VT1724_RDMA0_START,
874 };
875 
876 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
877 	.addr = VT1724_MT_RDMA1_ADDR,
878 	.size = VT1724_MT_RDMA1_SIZE,
879 	.count = VT1724_MT_RDMA1_COUNT,
880 	.start = VT1724_RDMA1_START,
881 };
882 
883 #define vt1724_playback_pro_reg vt1724_pdma0_reg
884 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
885 #define vt1724_capture_pro_reg vt1724_rdma0_reg
886 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
887 
888 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
889 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
890 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
891 				 SNDRV_PCM_INFO_MMAP_VALID |
892 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
893 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
894 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
895 	.rate_min =		8000,
896 	.rate_max =		192000,
897 	.channels_min =		2,
898 	.channels_max =		8,
899 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
900 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
901 	.period_bytes_max =	(1UL << 21),
902 	.periods_min =		2,
903 	.periods_max =		1024,
904 };
905 
906 static const struct snd_pcm_hardware snd_vt1724_spdif = {
907 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
908 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
909 				 SNDRV_PCM_INFO_MMAP_VALID |
910 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
911 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
912 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
913 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
914 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
915 				 SNDRV_PCM_RATE_192000),
916 	.rate_min =		32000,
917 	.rate_max =		192000,
918 	.channels_min =		2,
919 	.channels_max =		2,
920 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
921 	.period_bytes_min =	2 * 4 * 2,
922 	.period_bytes_max =	(1UL << 18),
923 	.periods_min =		2,
924 	.periods_max =		1024,
925 };
926 
927 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
928 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
929 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
930 				 SNDRV_PCM_INFO_MMAP_VALID |
931 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
932 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
933 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
934 	.rate_min =		8000,
935 	.rate_max =		192000,
936 	.channels_min =		2,
937 	.channels_max =		2,
938 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
939 	.period_bytes_min =	2 * 4 * 2,
940 	.period_bytes_max =	(1UL << 18),
941 	.periods_min =		2,
942 	.periods_max =		1024,
943 };
944 
945 /*
946  * set rate constraints
947  */
948 static void set_std_hw_rates(struct snd_ice1712 *ice)
949 {
950 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
951 		/* I2S */
952 		/* VT1720 doesn't support more than 96kHz */
953 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
954 			ice->hw_rates = &hw_constraints_rates_192;
955 		else
956 			ice->hw_rates = &hw_constraints_rates_96;
957 	} else {
958 		/* ACLINK */
959 		ice->hw_rates = &hw_constraints_rates_48;
960 	}
961 }
962 
963 static int set_rate_constraints(struct snd_ice1712 *ice,
964 				struct snd_pcm_substream *substream)
965 {
966 	struct snd_pcm_runtime *runtime = substream->runtime;
967 
968 	runtime->hw.rate_min = ice->hw_rates->list[0];
969 	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
970 	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
971 	return snd_pcm_hw_constraint_list(runtime, 0,
972 					  SNDRV_PCM_HW_PARAM_RATE,
973 					  ice->hw_rates);
974 }
975 
976 /* if the card has the internal rate locked (is_pro_locked), limit runtime
977    hw rates to the current internal rate only.
978 */
979 static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
980 {
981 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
982 	struct snd_pcm_runtime *runtime = substream->runtime;
983 	unsigned int rate;
984 	if (is_pro_rate_locked(ice)) {
985 		rate = ice->get_rate(ice);
986 		if (rate >= runtime->hw.rate_min
987 		    && rate <= runtime->hw.rate_max) {
988 			runtime->hw.rate_min = rate;
989 			runtime->hw.rate_max = rate;
990 		}
991 	}
992 }
993 
994 
995 /* multi-channel playback needs alignment 8x32bit regardless of the channels
996  * actually used
997  */
998 #define VT1724_BUFFER_ALIGN	0x20
999 
1000 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1001 {
1002 	struct snd_pcm_runtime *runtime = substream->runtime;
1003 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1004 	int chs, num_indeps;
1005 
1006 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
1007 	ice->playback_pro_substream = substream;
1008 	runtime->hw = snd_vt1724_playback_pro;
1009 	snd_pcm_set_sync(substream);
1010 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1011 	set_rate_constraints(ice, substream);
1012 	scoped_guard(mutex, &ice->open_mutex) {
1013 		/* calculate the currently available channels */
1014 		num_indeps = ice->num_total_dacs / 2 - 1;
1015 		for (chs = 0; chs < num_indeps; chs++) {
1016 			if (ice->pcm_reserved[chs])
1017 				break;
1018 		}
1019 		chs = (chs + 1) * 2;
1020 		runtime->hw.channels_max = chs;
1021 		if (chs > 2) /* channels must be even */
1022 			snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1023 	}
1024 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1025 				   VT1724_BUFFER_ALIGN);
1026 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1027 				   VT1724_BUFFER_ALIGN);
1028 	constrain_rate_if_locked(substream);
1029 	if (ice->pro_open)
1030 		ice->pro_open(ice, substream);
1031 	return 0;
1032 }
1033 
1034 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1035 {
1036 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1037 	struct snd_pcm_runtime *runtime = substream->runtime;
1038 
1039 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
1040 	ice->capture_pro_substream = substream;
1041 	runtime->hw = snd_vt1724_2ch_stereo;
1042 	snd_pcm_set_sync(substream);
1043 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1044 	set_rate_constraints(ice, substream);
1045 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1046 				   VT1724_BUFFER_ALIGN);
1047 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1048 				   VT1724_BUFFER_ALIGN);
1049 	constrain_rate_if_locked(substream);
1050 	if (ice->pro_open)
1051 		ice->pro_open(ice, substream);
1052 	return 0;
1053 }
1054 
1055 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1056 {
1057 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1058 
1059 	if (PRO_RATE_RESET)
1060 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1061 	ice->playback_pro_substream = NULL;
1062 
1063 	return 0;
1064 }
1065 
1066 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1067 {
1068 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1069 
1070 	if (PRO_RATE_RESET)
1071 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1072 	ice->capture_pro_substream = NULL;
1073 	return 0;
1074 }
1075 
1076 static const struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1077 	.open =		snd_vt1724_playback_pro_open,
1078 	.close =	snd_vt1724_playback_pro_close,
1079 	.hw_params =	snd_vt1724_pcm_hw_params,
1080 	.hw_free =	snd_vt1724_pcm_hw_free,
1081 	.prepare =	snd_vt1724_playback_pro_prepare,
1082 	.trigger =	snd_vt1724_pcm_trigger,
1083 	.pointer =	snd_vt1724_playback_pro_pointer,
1084 };
1085 
1086 static const struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1087 	.open =		snd_vt1724_capture_pro_open,
1088 	.close =	snd_vt1724_capture_pro_close,
1089 	.hw_params =	snd_vt1724_pcm_hw_params,
1090 	.hw_free =	snd_vt1724_pcm_hw_free,
1091 	.prepare =	snd_vt1724_pcm_prepare,
1092 	.trigger =	snd_vt1724_pcm_trigger,
1093 	.pointer =	snd_vt1724_pcm_pointer,
1094 };
1095 
1096 static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1097 {
1098 	struct snd_pcm *pcm;
1099 	int capt, err;
1100 
1101 	if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1102 	    VT1724_CFG_ADC_NONE)
1103 		capt = 0;
1104 	else
1105 		capt = 1;
1106 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1107 	if (err < 0)
1108 		return err;
1109 
1110 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1111 	if (capt)
1112 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1113 			&snd_vt1724_capture_pro_ops);
1114 
1115 	pcm->private_data = ice;
1116 	pcm->info_flags = 0;
1117 	strscpy(pcm->name, "ICE1724");
1118 
1119 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1120 				       &ice->pci->dev, 256*1024, 256*1024);
1121 
1122 	ice->pcm_pro = pcm;
1123 
1124 	return 0;
1125 }
1126 
1127 
1128 /*
1129  * SPDIF PCM
1130  */
1131 
1132 /* update spdif control bits; call with reg_lock */
1133 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1134 {
1135 	unsigned char cbit, disabled;
1136 
1137 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1138 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1139 	if (cbit != disabled)
1140 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1141 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1142 	if (cbit != disabled)
1143 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1144 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1145 }
1146 
1147 /* update SPDIF control bits according to the given rate */
1148 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1149 {
1150 	unsigned int val, nval;
1151 
1152 	guard(spinlock_irqsave)(&ice->reg_lock);
1153 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1154 	nval &= ~(7 << 12);
1155 	switch (rate) {
1156 	case 44100: break;
1157 	case 48000: nval |= 2 << 12; break;
1158 	case 32000: nval |= 3 << 12; break;
1159 	case 88200: nval |= 4 << 12; break;
1160 	case 96000: nval |= 5 << 12; break;
1161 	case 192000: nval |= 6 << 12; break;
1162 	case 176400: nval |= 7 << 12; break;
1163 	}
1164 	if (val != nval)
1165 		update_spdif_bits(ice, nval);
1166 }
1167 
1168 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1169 {
1170 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1171 	if (!ice->force_pdma4)
1172 		update_spdif_rate(ice, substream->runtime->rate);
1173 	return snd_vt1724_pcm_prepare(substream);
1174 }
1175 
1176 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1177 {
1178 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1179 	struct snd_pcm_runtime *runtime = substream->runtime;
1180 
1181 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1182 	ice->playback_con_substream = substream;
1183 	if (ice->force_pdma4) {
1184 		runtime->hw = snd_vt1724_2ch_stereo;
1185 		set_rate_constraints(ice, substream);
1186 	} else
1187 		runtime->hw = snd_vt1724_spdif;
1188 	snd_pcm_set_sync(substream);
1189 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1190 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1191 				   VT1724_BUFFER_ALIGN);
1192 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1193 				   VT1724_BUFFER_ALIGN);
1194 	constrain_rate_if_locked(substream);
1195 	if (ice->spdif.ops.open)
1196 		ice->spdif.ops.open(ice, substream);
1197 	return 0;
1198 }
1199 
1200 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1201 {
1202 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1203 
1204 	if (PRO_RATE_RESET)
1205 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1206 	ice->playback_con_substream = NULL;
1207 	if (ice->spdif.ops.close)
1208 		ice->spdif.ops.close(ice, substream);
1209 
1210 	return 0;
1211 }
1212 
1213 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1214 {
1215 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1216 	struct snd_pcm_runtime *runtime = substream->runtime;
1217 
1218 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1219 	ice->capture_con_substream = substream;
1220 	if (ice->force_rdma1) {
1221 		runtime->hw = snd_vt1724_2ch_stereo;
1222 		set_rate_constraints(ice, substream);
1223 	} else
1224 		runtime->hw = snd_vt1724_spdif;
1225 	snd_pcm_set_sync(substream);
1226 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1227 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1228 				   VT1724_BUFFER_ALIGN);
1229 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1230 				   VT1724_BUFFER_ALIGN);
1231 	constrain_rate_if_locked(substream);
1232 	if (ice->spdif.ops.open)
1233 		ice->spdif.ops.open(ice, substream);
1234 	return 0;
1235 }
1236 
1237 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1238 {
1239 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1240 
1241 	if (PRO_RATE_RESET)
1242 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1243 	ice->capture_con_substream = NULL;
1244 	if (ice->spdif.ops.close)
1245 		ice->spdif.ops.close(ice, substream);
1246 
1247 	return 0;
1248 }
1249 
1250 static const struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1251 	.open =		snd_vt1724_playback_spdif_open,
1252 	.close =	snd_vt1724_playback_spdif_close,
1253 	.hw_params =	snd_vt1724_pcm_hw_params,
1254 	.hw_free =	snd_vt1724_pcm_hw_free,
1255 	.prepare =	snd_vt1724_playback_spdif_prepare,
1256 	.trigger =	snd_vt1724_pcm_trigger,
1257 	.pointer =	snd_vt1724_pcm_pointer,
1258 };
1259 
1260 static const struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1261 	.open =		snd_vt1724_capture_spdif_open,
1262 	.close =	snd_vt1724_capture_spdif_close,
1263 	.hw_params =	snd_vt1724_pcm_hw_params,
1264 	.hw_free =	snd_vt1724_pcm_hw_free,
1265 	.prepare =	snd_vt1724_pcm_prepare,
1266 	.trigger =	snd_vt1724_pcm_trigger,
1267 	.pointer =	snd_vt1724_pcm_pointer,
1268 };
1269 
1270 
1271 static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1272 {
1273 	char *name;
1274 	struct snd_pcm *pcm;
1275 	int play, capt;
1276 	int err;
1277 
1278 	if (ice->force_pdma4 ||
1279 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1280 		play = 1;
1281 		ice->has_spdif = 1;
1282 	} else
1283 		play = 0;
1284 	if (ice->force_rdma1 ||
1285 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1286 		capt = 1;
1287 		ice->has_spdif = 1;
1288 	} else
1289 		capt = 0;
1290 	if (!play && !capt)
1291 		return 0; /* no spdif device */
1292 
1293 	if (ice->force_pdma4 || ice->force_rdma1)
1294 		name = "ICE1724 Secondary";
1295 	else
1296 		name = "ICE1724 IEC958";
1297 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1298 	if (err < 0)
1299 		return err;
1300 
1301 	if (play)
1302 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1303 				&snd_vt1724_playback_spdif_ops);
1304 	if (capt)
1305 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1306 				&snd_vt1724_capture_spdif_ops);
1307 
1308 	pcm->private_data = ice;
1309 	pcm->info_flags = 0;
1310 	strscpy(pcm->name, name);
1311 
1312 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1313 				       &ice->pci->dev, 256*1024, 256*1024);
1314 
1315 	ice->pcm = pcm;
1316 
1317 	return 0;
1318 }
1319 
1320 
1321 /*
1322  * independent surround PCMs
1323  */
1324 
1325 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1326 	{
1327 		.addr = VT1724_MT_PDMA1_ADDR,
1328 		.size = VT1724_MT_PDMA1_SIZE,
1329 		.count = VT1724_MT_PDMA1_COUNT,
1330 		.start = VT1724_PDMA1_START,
1331 	},
1332 	{
1333 		.addr = VT1724_MT_PDMA2_ADDR,
1334 		.size = VT1724_MT_PDMA2_SIZE,
1335 		.count = VT1724_MT_PDMA2_COUNT,
1336 		.start = VT1724_PDMA2_START,
1337 	},
1338 	{
1339 		.addr = VT1724_MT_PDMA3_ADDR,
1340 		.size = VT1724_MT_PDMA3_SIZE,
1341 		.count = VT1724_MT_PDMA3_COUNT,
1342 		.start = VT1724_PDMA3_START,
1343 	},
1344 };
1345 
1346 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1347 {
1348 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1349 	unsigned char val;
1350 
1351 	scoped_guard(spinlock_irq, &ice->reg_lock) {
1352 		val = 3 - substream->number;
1353 		if (inb(ICEMT1724(ice, BURST)) < val)
1354 			outb(val, ICEMT1724(ice, BURST));
1355 	}
1356 	return snd_vt1724_pcm_prepare(substream);
1357 }
1358 
1359 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1360 {
1361 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1362 	struct snd_pcm_runtime *runtime = substream->runtime;
1363 
1364 	scoped_guard(mutex, &ice->open_mutex) {
1365 		/* already used by PDMA0? */
1366 		if (ice->pcm_reserved[substream->number])
1367 			return -EBUSY; /* FIXME: should handle blocking mode properly */
1368 	}
1369 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1370 	ice->playback_con_substream_ds[substream->number] = substream;
1371 	runtime->hw = snd_vt1724_2ch_stereo;
1372 	snd_pcm_set_sync(substream);
1373 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1374 	set_rate_constraints(ice, substream);
1375 	return 0;
1376 }
1377 
1378 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1379 {
1380 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1381 
1382 	if (PRO_RATE_RESET)
1383 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1384 	ice->playback_con_substream_ds[substream->number] = NULL;
1385 	ice->pcm_reserved[substream->number] = NULL;
1386 
1387 	return 0;
1388 }
1389 
1390 static const struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1391 	.open =		snd_vt1724_playback_indep_open,
1392 	.close =	snd_vt1724_playback_indep_close,
1393 	.hw_params =	snd_vt1724_pcm_hw_params,
1394 	.hw_free =	snd_vt1724_pcm_hw_free,
1395 	.prepare =	snd_vt1724_playback_indep_prepare,
1396 	.trigger =	snd_vt1724_pcm_trigger,
1397 	.pointer =	snd_vt1724_pcm_pointer,
1398 };
1399 
1400 
1401 static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1402 {
1403 	struct snd_pcm *pcm;
1404 	int play;
1405 	int err;
1406 
1407 	play = ice->num_total_dacs / 2 - 1;
1408 	if (play <= 0)
1409 		return 0;
1410 
1411 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1412 	if (err < 0)
1413 		return err;
1414 
1415 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1416 			&snd_vt1724_playback_indep_ops);
1417 
1418 	pcm->private_data = ice;
1419 	pcm->info_flags = 0;
1420 	strscpy(pcm->name, "ICE1724 Surround PCM");
1421 
1422 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1423 				       &ice->pci->dev, 256*1024, 256*1024);
1424 
1425 	ice->pcm_ds = pcm;
1426 
1427 	return 0;
1428 }
1429 
1430 
1431 /*
1432  *  Mixer section
1433  */
1434 
1435 static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1436 {
1437 	int err;
1438 
1439 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1440 		struct snd_ac97_bus *pbus;
1441 		struct snd_ac97_template ac97;
1442 		static const struct snd_ac97_bus_ops ops = {
1443 			.write = snd_vt1724_ac97_write,
1444 			.read = snd_vt1724_ac97_read,
1445 		};
1446 
1447 		/* cold reset */
1448 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1449 		mdelay(5); /* FIXME */
1450 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1451 
1452 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1453 		if (err < 0)
1454 			return err;
1455 		memset(&ac97, 0, sizeof(ac97));
1456 		ac97.private_data = ice;
1457 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1458 		if (err < 0)
1459 			dev_warn(ice->card->dev,
1460 				 "cannot initialize pro ac97, skipped\n");
1461 		else
1462 			return 0;
1463 	}
1464 	/* I2S mixer only */
1465 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1466 	return 0;
1467 }
1468 
1469 /*
1470  *
1471  */
1472 
1473 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1474 {
1475 	return (unsigned int)ice->eeprom.data[idx] | \
1476 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1477 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1478 }
1479 
1480 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1481 				 struct snd_info_buffer *buffer)
1482 {
1483 	struct snd_ice1712 *ice = entry->private_data;
1484 	unsigned int idx;
1485 
1486 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1487 	snd_iprintf(buffer, "EEPROM:\n");
1488 
1489 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1490 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1491 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1492 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1493 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1494 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1495 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1496 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1497 		    ice->eeprom.data[ICE_EEP2_I2S]);
1498 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1499 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1500 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1501 		    ice->eeprom.gpiodir);
1502 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1503 		    ice->eeprom.gpiomask);
1504 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1505 		    ice->eeprom.gpiostate);
1506 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1507 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1508 			    idx, ice->eeprom.data[idx]);
1509 
1510 	snd_iprintf(buffer, "\nRegisters:\n");
1511 
1512 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1513 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1514 	for (idx = 0x0; idx < 0x20 ; idx++)
1515 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1516 			    idx, inb(ice->port+idx));
1517 	for (idx = 0x0; idx < 0x30 ; idx++)
1518 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1519 			    idx, inb(ice->profi_port+idx));
1520 }
1521 
1522 static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1523 {
1524 	snd_card_ro_proc_new(ice->card, "ice1724", ice, snd_vt1724_proc_read);
1525 }
1526 
1527 /*
1528  *
1529  */
1530 
1531 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1532 				  struct snd_ctl_elem_info *uinfo)
1533 {
1534 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1535 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1536 	return 0;
1537 }
1538 
1539 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1540 				 struct snd_ctl_elem_value *ucontrol)
1541 {
1542 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1543 
1544 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1545 	return 0;
1546 }
1547 
1548 static const struct snd_kcontrol_new snd_vt1724_eeprom = {
1549 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1550 	.name = "ICE1724 EEPROM",
1551 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1552 	.info = snd_vt1724_eeprom_info,
1553 	.get = snd_vt1724_eeprom_get
1554 };
1555 
1556 /*
1557  */
1558 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1559 				 struct snd_ctl_elem_info *uinfo)
1560 {
1561 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1562 	uinfo->count = 1;
1563 	return 0;
1564 }
1565 
1566 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1567 {
1568 	unsigned int val, rbits;
1569 
1570 	val = diga->status[0] & 0x03; /* professional, non-audio */
1571 	if (val & 0x01) {
1572 		/* professional */
1573 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1574 		    IEC958_AES0_PRO_EMPHASIS_5015)
1575 			val |= 1U << 3;
1576 		rbits = (diga->status[4] >> 3) & 0x0f;
1577 		if (rbits) {
1578 			switch (rbits) {
1579 			case 2: val |= 5 << 12; break; /* 96k */
1580 			case 3: val |= 6 << 12; break; /* 192k */
1581 			case 10: val |= 4 << 12; break; /* 88.2k */
1582 			case 11: val |= 7 << 12; break; /* 176.4k */
1583 			}
1584 		} else {
1585 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1586 			case IEC958_AES0_PRO_FS_44100:
1587 				break;
1588 			case IEC958_AES0_PRO_FS_32000:
1589 				val |= 3U << 12;
1590 				break;
1591 			default:
1592 				val |= 2U << 12;
1593 				break;
1594 			}
1595 		}
1596 	} else {
1597 		/* consumer */
1598 		val |= diga->status[1] & 0x04; /* copyright */
1599 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1600 		    IEC958_AES0_CON_EMPHASIS_5015)
1601 			val |= 1U << 3;
1602 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1603 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1604 	}
1605 	return val;
1606 }
1607 
1608 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1609 {
1610 	memset(diga->status, 0, sizeof(diga->status));
1611 	diga->status[0] = val & 0x03; /* professional, non-audio */
1612 	if (val & 0x01) {
1613 		/* professional */
1614 		if (val & (1U << 3))
1615 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1616 		switch ((val >> 12) & 0x7) {
1617 		case 0:
1618 			break;
1619 		case 2:
1620 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1621 			break;
1622 		default:
1623 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1624 			break;
1625 		}
1626 	} else {
1627 		/* consumer */
1628 		diga->status[0] |= val & (1U << 2); /* copyright */
1629 		if (val & (1U << 3))
1630 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1631 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1632 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1633 	}
1634 }
1635 
1636 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1637 					struct snd_ctl_elem_value *ucontrol)
1638 {
1639 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1640 	unsigned int val;
1641 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1642 	decode_spdif_bits(&ucontrol->value.iec958, val);
1643 	return 0;
1644 }
1645 
1646 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1647 					 struct snd_ctl_elem_value *ucontrol)
1648 {
1649 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1650 	unsigned int val, old;
1651 
1652 	val = encode_spdif_bits(&ucontrol->value.iec958);
1653 	guard(spinlock_irq)(&ice->reg_lock);
1654 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1655 	if (val != old)
1656 		update_spdif_bits(ice, val);
1657 	return val != old;
1658 }
1659 
1660 static const struct snd_kcontrol_new snd_vt1724_spdif_default =
1661 {
1662 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1663 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1664 	.info =		snd_vt1724_spdif_info,
1665 	.get =		snd_vt1724_spdif_default_get,
1666 	.put =		snd_vt1724_spdif_default_put
1667 };
1668 
1669 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1670 				       struct snd_ctl_elem_value *ucontrol)
1671 {
1672 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1673 						     IEC958_AES0_PROFESSIONAL |
1674 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1675 						     IEC958_AES0_CON_EMPHASIS;
1676 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1677 						     IEC958_AES1_CON_CATEGORY;
1678 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1679 	return 0;
1680 }
1681 
1682 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1683 				       struct snd_ctl_elem_value *ucontrol)
1684 {
1685 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1686 						     IEC958_AES0_PROFESSIONAL |
1687 						     IEC958_AES0_PRO_FS |
1688 						     IEC958_AES0_PRO_EMPHASIS;
1689 	return 0;
1690 }
1691 
1692 static const struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1693 {
1694 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1695 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1696 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1697 	.info =		snd_vt1724_spdif_info,
1698 	.get =		snd_vt1724_spdif_maskc_get,
1699 };
1700 
1701 static const struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1702 {
1703 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1704 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1705 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1706 	.info =		snd_vt1724_spdif_info,
1707 	.get =		snd_vt1724_spdif_maskp_get,
1708 };
1709 
1710 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1711 
1712 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1713 				   struct snd_ctl_elem_value *ucontrol)
1714 {
1715 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1716 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1717 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1718 	return 0;
1719 }
1720 
1721 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1722 				   struct snd_ctl_elem_value *ucontrol)
1723 {
1724 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1725 	unsigned char old, val;
1726 
1727 	guard(spinlock_irq)(&ice->reg_lock);
1728 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1729 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1730 	if (ucontrol->value.integer.value[0])
1731 		val |= VT1724_CFG_SPDIF_OUT_EN;
1732 	if (old != val)
1733 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1734 	return old != val;
1735 }
1736 
1737 static const struct snd_kcontrol_new snd_vt1724_spdif_switch =
1738 {
1739 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1740 	/* FIXME: the following conflict with IEC958 Playback Route */
1741 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1742 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1743 	.info =		snd_vt1724_spdif_sw_info,
1744 	.get =		snd_vt1724_spdif_sw_get,
1745 	.put =		snd_vt1724_spdif_sw_put
1746 };
1747 
1748 
1749 #if 0 /* NOT USED YET */
1750 /*
1751  * GPIO access from extern
1752  */
1753 
1754 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1755 
1756 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1757 			struct snd_ctl_elem_value *ucontrol)
1758 {
1759 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1760 	int shift = kcontrol->private_value & 0xff;
1761 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1762 
1763 	snd_ice1712_save_gpio_status(ice);
1764 	ucontrol->value.integer.value[0] =
1765 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1766 	snd_ice1712_restore_gpio_status(ice);
1767 	return 0;
1768 }
1769 
1770 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1771 			 struct snd_ctl_elem_value *ucontrol)
1772 {
1773 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1774 	int shift = kcontrol->private_value & 0xff;
1775 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1776 	unsigned int val, nval;
1777 
1778 	if (kcontrol->private_value & (1 << 31))
1779 		return -EPERM;
1780 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1781 	snd_ice1712_save_gpio_status(ice);
1782 	val = snd_ice1712_gpio_read(ice);
1783 	nval |= val & ~(1 << shift);
1784 	if (val != nval)
1785 		snd_ice1712_gpio_write(ice, nval);
1786 	snd_ice1712_restore_gpio_status(ice);
1787 	return val != nval;
1788 }
1789 #endif /* NOT USED YET */
1790 
1791 /*
1792  *  rate
1793  */
1794 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1795 					      struct snd_ctl_elem_info *uinfo)
1796 {
1797 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1798 	int hw_rates_count = ice->hw_rates->count;
1799 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1800 	uinfo->count = 1;
1801 
1802 	/* internal clocks */
1803 	uinfo->value.enumerated.items = hw_rates_count;
1804 	/* external clocks */
1805 	if (ice->force_rdma1 ||
1806 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1807 		uinfo->value.enumerated.items += ice->ext_clock_count;
1808 	/* upper limit - keep at top */
1809 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1810 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1811 	if (uinfo->value.enumerated.item >= hw_rates_count)
1812 		/* ext_clock items */
1813 		strscpy(uinfo->value.enumerated.name,
1814 				ice->ext_clock_names[
1815 				uinfo->value.enumerated.item - hw_rates_count]);
1816 	else
1817 		/* int clock items */
1818 		sprintf(uinfo->value.enumerated.name, "%d",
1819 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1820 	return 0;
1821 }
1822 
1823 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1824 					     struct snd_ctl_elem_value *ucontrol)
1825 {
1826 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1827 	unsigned int i, rate;
1828 
1829 	guard(spinlock_irq)(&ice->reg_lock);
1830 	if (ice->is_spdif_master(ice)) {
1831 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1832 			ice->get_spdif_master_type(ice);
1833 	} else {
1834 		rate = ice->get_rate(ice);
1835 		ucontrol->value.enumerated.item[0] = 0;
1836 		for (i = 0; i < ice->hw_rates->count; i++) {
1837 			if (ice->hw_rates->list[i] == rate) {
1838 				ucontrol->value.enumerated.item[0] = i;
1839 				break;
1840 			}
1841 		}
1842 	}
1843 	return 0;
1844 }
1845 
1846 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1847 {
1848 	/* standard external clock - only single type - SPDIF IN */
1849 	return 0;
1850 }
1851 
1852 /* setting clock to external - SPDIF */
1853 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1854 {
1855 	unsigned char oval;
1856 	unsigned char i2s_oval;
1857 	oval = inb(ICEMT1724(ice, RATE));
1858 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1859 	/* setting 256fs */
1860 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1861 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1862 	return 0;
1863 }
1864 
1865 
1866 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1867 					     struct snd_ctl_elem_value *ucontrol)
1868 {
1869 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1870 	unsigned int old_rate, new_rate;
1871 	unsigned int item = ucontrol->value.enumerated.item[0];
1872 	unsigned int first_ext_clock = ice->hw_rates->count;
1873 	bool set_pro_rate = false;
1874 
1875 	if (item >  first_ext_clock + ice->ext_clock_count - 1)
1876 		return -EINVAL;
1877 
1878 	/* if rate = 0 => external clock */
1879 	scoped_guard(spinlock_irq, &ice->reg_lock) {
1880 		if (ice->is_spdif_master(ice))
1881 			old_rate = 0;
1882 		else
1883 			old_rate = ice->get_rate(ice);
1884 		if (item >= first_ext_clock) {
1885 			/* switching to external clock */
1886 			ice->set_spdif_clock(ice, item - first_ext_clock);
1887 			new_rate = 0;
1888 		} else {
1889 			/* internal on-card clock */
1890 			new_rate = ice->hw_rates->list[item];
1891 			ice->pro_rate_default = new_rate;
1892 			set_pro_rate = true;
1893 		}
1894 	}
1895 
1896 	if (set_pro_rate)
1897 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1898 
1899 	/* the first switch to the ext. clock mode? */
1900 	if (old_rate != new_rate && !new_rate) {
1901 		/* notify akm chips as well */
1902 		unsigned int i;
1903 		if (ice->gpio.set_pro_rate)
1904 			ice->gpio.set_pro_rate(ice, 0);
1905 		for (i = 0; i < ice->akm_codecs; i++) {
1906 			if (ice->akm[i].ops.set_rate_val)
1907 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1908 		}
1909 	}
1910 	return old_rate != new_rate;
1911 }
1912 
1913 static const struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1914 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1915 	.name = "Multi Track Internal Clock",
1916 	.info = snd_vt1724_pro_internal_clock_info,
1917 	.get = snd_vt1724_pro_internal_clock_get,
1918 	.put = snd_vt1724_pro_internal_clock_put
1919 };
1920 
1921 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1922 
1923 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1924 					   struct snd_ctl_elem_value *ucontrol)
1925 {
1926 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1927 	return 0;
1928 }
1929 
1930 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1931 					   struct snd_ctl_elem_value *ucontrol)
1932 {
1933 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1934 	int change = 0, nval;
1935 
1936 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1937 	guard(spinlock_irq)(&ice->reg_lock);
1938 	change = PRO_RATE_LOCKED != nval;
1939 	PRO_RATE_LOCKED = nval;
1940 	return change;
1941 }
1942 
1943 static const struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
1944 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1945 	.name = "Multi Track Rate Locking",
1946 	.info = snd_vt1724_pro_rate_locking_info,
1947 	.get = snd_vt1724_pro_rate_locking_get,
1948 	.put = snd_vt1724_pro_rate_locking_put
1949 };
1950 
1951 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1952 
1953 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1954 					 struct snd_ctl_elem_value *ucontrol)
1955 {
1956 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1957 	return 0;
1958 }
1959 
1960 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1961 					 struct snd_ctl_elem_value *ucontrol)
1962 {
1963 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1964 	int change = 0, nval;
1965 
1966 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1967 	guard(spinlock_irq)(&ice->reg_lock);
1968 	change = PRO_RATE_RESET != nval;
1969 	PRO_RATE_RESET = nval;
1970 	return change;
1971 }
1972 
1973 static const struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
1974 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1975 	.name = "Multi Track Rate Reset",
1976 	.info = snd_vt1724_pro_rate_reset_info,
1977 	.get = snd_vt1724_pro_rate_reset_get,
1978 	.put = snd_vt1724_pro_rate_reset_put
1979 };
1980 
1981 
1982 /*
1983  * routing
1984  */
1985 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1986 				     struct snd_ctl_elem_info *uinfo)
1987 {
1988 	static const char * const texts[] = {
1989 		"PCM Out", /* 0 */
1990 		"H/W In 0", "H/W In 1", /* 1-2 */
1991 		"IEC958 In L", "IEC958 In R", /* 3-4 */
1992 	};
1993 
1994 	return snd_ctl_enum_info(uinfo, 1, 5, texts);
1995 }
1996 
1997 static inline int analog_route_shift(int idx)
1998 {
1999 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2000 }
2001 
2002 static inline int digital_route_shift(int idx)
2003 {
2004 	return idx * 3;
2005 }
2006 
2007 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2008 {
2009 	unsigned long val;
2010 	unsigned char eitem;
2011 	static const unsigned char xlate[8] = {
2012 		0, 255, 1, 2, 255, 255, 3, 4,
2013 	};
2014 
2015 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2016 	val >>= shift;
2017 	val &= 7; /* we now have 3 bits per output */
2018 	eitem = xlate[val];
2019 	if (eitem == 255) {
2020 		snd_BUG();
2021 		return 0;
2022 	}
2023 	return eitem;
2024 }
2025 
2026 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2027 								int shift)
2028 {
2029 	unsigned int old_val, nval;
2030 	int change;
2031 	static const unsigned char xroute[8] = {
2032 		0, /* PCM */
2033 		2, /* PSDIN0 Left */
2034 		3, /* PSDIN0 Right */
2035 		6, /* SPDIN Left */
2036 		7, /* SPDIN Right */
2037 	};
2038 
2039 	nval = xroute[val % 5];
2040 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2041 	val &= ~(0x07 << shift);
2042 	val |= nval << shift;
2043 	change = val != old_val;
2044 	if (change)
2045 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2046 	return change;
2047 }
2048 
2049 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2050 					   struct snd_ctl_elem_value *ucontrol)
2051 {
2052 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2053 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2054 	ucontrol->value.enumerated.item[0] =
2055 		snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2056 	return 0;
2057 }
2058 
2059 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2060 					   struct snd_ctl_elem_value *ucontrol)
2061 {
2062 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2063 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2064 	return snd_ice1724_put_route_val(ice,
2065 					 ucontrol->value.enumerated.item[0],
2066 					 analog_route_shift(idx));
2067 }
2068 
2069 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2070 					  struct snd_ctl_elem_value *ucontrol)
2071 {
2072 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2073 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2074 	ucontrol->value.enumerated.item[0] =
2075 		snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2076 	return 0;
2077 }
2078 
2079 static int snd_vt1724_pro_route_spdif_put(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 	return snd_ice1724_put_route_val(ice,
2085 					 ucontrol->value.enumerated.item[0],
2086 					 digital_route_shift(idx));
2087 }
2088 
2089 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2090 {
2091 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2092 	.name = "H/W Playback Route",
2093 	.info = snd_vt1724_pro_route_info,
2094 	.get = snd_vt1724_pro_route_analog_get,
2095 	.put = snd_vt1724_pro_route_analog_put,
2096 };
2097 
2098 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2099 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2100 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2101 	.info = snd_vt1724_pro_route_info,
2102 	.get = snd_vt1724_pro_route_spdif_get,
2103 	.put = snd_vt1724_pro_route_spdif_put,
2104 	.count = 2,
2105 };
2106 
2107 
2108 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2109 				    struct snd_ctl_elem_info *uinfo)
2110 {
2111 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2112 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2113 	uinfo->value.integer.min = 0;
2114 	uinfo->value.integer.max = 255;
2115 	return 0;
2116 }
2117 
2118 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2119 				   struct snd_ctl_elem_value *ucontrol)
2120 {
2121 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2122 	int idx;
2123 
2124 	guard(spinlock_irq)(&ice->reg_lock);
2125 	for (idx = 0; idx < 22; idx++) {
2126 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2127 		ucontrol->value.integer.value[idx] =
2128 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2129 	}
2130 	return 0;
2131 }
2132 
2133 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2134 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
2135 	.name = "Multi Track Peak",
2136 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2137 	.info = snd_vt1724_pro_peak_info,
2138 	.get = snd_vt1724_pro_peak_get
2139 };
2140 
2141 /*
2142   ooAoo cards with no controls
2143 */
2144 static const unsigned char ooaoo_sq210_eeprom[] = {
2145 	[ICE_EEP2_SYSCONF]     = 0x4c,	/* 49MHz crystal, no mpu401, no ADC,
2146 					   1xDACs */
2147 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
2148 	[ICE_EEP2_I2S]         = 0x78,	/* no volume, 96k, 24bit, 192k */
2149 	[ICE_EEP2_SPDIF]       = 0xc1,	/* out-en, out-int, out-ext */
2150 	[ICE_EEP2_GPIO_DIR]    = 0x00,	/* no GPIOs are used */
2151 	[ICE_EEP2_GPIO_DIR1]   = 0x00,
2152 	[ICE_EEP2_GPIO_DIR2]   = 0x00,
2153 	[ICE_EEP2_GPIO_MASK]   = 0xff,
2154 	[ICE_EEP2_GPIO_MASK1]  = 0xff,
2155 	[ICE_EEP2_GPIO_MASK2]  = 0xff,
2156 
2157 	[ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2158 	[ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2159 					  and GPIO15 always zero */
2160 	[ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2161 };
2162 
2163 
2164 static const struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2165 	{
2166 		.name = "ooAoo SQ210a",
2167 		.model = "sq210a",
2168 		.eeprom_size = sizeof(ooaoo_sq210_eeprom),
2169 		.eeprom_data = ooaoo_sq210_eeprom,
2170 	},
2171 	{ } /* terminator */
2172 };
2173 
2174 static const struct snd_ice1712_card_info *card_tables[] = {
2175 	snd_vt1724_revo_cards,
2176 	snd_vt1724_amp_cards,
2177 	snd_vt1724_aureon_cards,
2178 	snd_vt1720_mobo_cards,
2179 	snd_vt1720_pontis_cards,
2180 	snd_vt1724_prodigy_hifi_cards,
2181 	snd_vt1724_prodigy192_cards,
2182 	snd_vt1724_juli_cards,
2183 	snd_vt1724_maya44_cards,
2184 	snd_vt1724_phase_cards,
2185 	snd_vt1724_wtm_cards,
2186 	snd_vt1724_se_cards,
2187 	snd_vt1724_qtet_cards,
2188 	snd_vt1724_ooaoo_cards,
2189 	snd_vt1724_psc724_cards,
2190 	NULL,
2191 };
2192 
2193 
2194 /*
2195  */
2196 
2197 static void wait_i2c_busy(struct snd_ice1712 *ice)
2198 {
2199 	int t = 0x10000;
2200 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2201 		;
2202 	if (t == -1)
2203 		dev_err(ice->card->dev, "i2c busy timeout\n");
2204 }
2205 
2206 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2207 				  unsigned char dev, unsigned char addr)
2208 {
2209 	unsigned char val;
2210 
2211 	guard(mutex)(&ice->i2c_mutex);
2212 	wait_i2c_busy(ice);
2213 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2214 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2215 	wait_i2c_busy(ice);
2216 	val = inb(ICEREG1724(ice, I2C_DATA));
2217 	/*
2218 	dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2219 	*/
2220 	return val;
2221 }
2222 
2223 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2224 			  unsigned char dev, unsigned char addr, unsigned char data)
2225 {
2226 	guard(mutex)(&ice->i2c_mutex);
2227 	wait_i2c_busy(ice);
2228 	/*
2229 	dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2230 	*/
2231 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2232 	outb(data, ICEREG1724(ice, I2C_DATA));
2233 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2234 	wait_i2c_busy(ice);
2235 }
2236 
2237 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2238 				  const char *modelname)
2239 {
2240 	const int dev = 0xa0;		/* EEPROM device address */
2241 	unsigned int i, size;
2242 	const struct snd_ice1712_card_info * const *tbl, *c;
2243 
2244 	if (!modelname || !*modelname) {
2245 		ice->eeprom.subvendor = 0;
2246 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2247 			ice->eeprom.subvendor =
2248 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2249 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2250 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2251 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2252 		if (ice->eeprom.subvendor == 0 ||
2253 		    ice->eeprom.subvendor == (unsigned int)-1) {
2254 			/* invalid subvendor from EEPROM, try the PCI
2255 			 * subststem ID instead
2256 			 */
2257 			u16 vendor, device;
2258 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2259 					     &vendor);
2260 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2261 			ice->eeprom.subvendor =
2262 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2263 			if (ice->eeprom.subvendor == 0 ||
2264 			    ice->eeprom.subvendor == (unsigned int)-1) {
2265 				dev_err(ice->card->dev,
2266 					"No valid ID is found\n");
2267 				return -ENXIO;
2268 			}
2269 		}
2270 	}
2271 	for (tbl = card_tables; *tbl; tbl++) {
2272 		for (c = *tbl; c->name; c++) {
2273 			if (modelname && c->model &&
2274 			    !strcmp(modelname, c->model)) {
2275 				dev_info(ice->card->dev,
2276 					 "Using board model %s\n",
2277 				       c->name);
2278 				ice->eeprom.subvendor = c->subvendor;
2279 			} else if (c->subvendor != ice->eeprom.subvendor)
2280 				continue;
2281 			ice->card_info = c;
2282 			if (!c->eeprom_size || !c->eeprom_data)
2283 				goto found;
2284 			/* if the EEPROM is given by the driver, use it */
2285 			dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2286 			ice->eeprom.version = 2;
2287 			ice->eeprom.size = c->eeprom_size + 6;
2288 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2289 			goto read_skipped;
2290 		}
2291 	}
2292 	dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2293 	       ice->eeprom.subvendor);
2294 #ifdef CONFIG_PM_SLEEP
2295 	/* assume AC97-only card which can suspend without additional code */
2296 	ice->pm_suspend_enabled = 1;
2297 #endif
2298 
2299  found:
2300 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2301 	if (ice->eeprom.size < 6)
2302 		ice->eeprom.size = 32;
2303 	else if (ice->eeprom.size > 32) {
2304 		dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2305 		       ice->eeprom.size);
2306 		return -EIO;
2307 	}
2308 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2309 	if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2310 		dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2311 		       ice->eeprom.version);
2312 	size = ice->eeprom.size - 6;
2313 	for (i = 0; i < size; i++)
2314 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2315 
2316  read_skipped:
2317 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2318 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2319 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2320 
2321 	return 0;
2322 }
2323 
2324 
2325 
2326 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2327 {
2328 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2329 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2330 	msleep(10);
2331 	outb(0, ICEREG1724(ice, CONTROL));
2332 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2333 	msleep(10);
2334 }
2335 
2336 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2337 {
2338 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2339 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2340 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2341 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2342 
2343 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2344 	ice->gpio.direction = ice->eeprom.gpiodir;
2345 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2346 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2347 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2348 
2349 	outb(0, ICEREG1724(ice, POWERDOWN));
2350 
2351 	/* MPU_RX and TX irq masks are cleared later dynamically */
2352 	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2353 
2354 	/* don't handle FIFO overrun/underruns (just yet),
2355 	 * since they cause machine lockups
2356 	 */
2357 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2358 
2359 	return 0;
2360 }
2361 
2362 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2363 {
2364 	int err;
2365 	struct snd_kcontrol *kctl;
2366 
2367 	if (snd_BUG_ON(!ice->pcm))
2368 		return -EIO;
2369 
2370 	if (!ice->own_routing) {
2371 		err = snd_ctl_add(ice->card,
2372 			snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2373 		if (err < 0)
2374 			return err;
2375 	}
2376 
2377 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2378 	if (err < 0)
2379 		return err;
2380 
2381 	kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice);
2382 	kctl->id.device = ice->pcm->device;
2383 	err = snd_ctl_add(ice->card, kctl);
2384 	if (err < 0)
2385 		return err;
2386 	kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice);
2387 	kctl->id.device = ice->pcm->device;
2388 	err = snd_ctl_add(ice->card, kctl);
2389 	if (err < 0)
2390 		return err;
2391 	kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice);
2392 	kctl->id.device = ice->pcm->device;
2393 	err = snd_ctl_add(ice->card, kctl);
2394 	if (err < 0)
2395 		return err;
2396 #if 0 /* use default only */
2397 	kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice);
2398 	kctl->id.device = ice->pcm->device;
2399 	err = snd_ctl_add(ice->card, kctl);
2400 	if (err < 0)
2401 		return err;
2402 	ice->spdif.stream_ctl = kctl;
2403 #endif
2404 	return 0;
2405 }
2406 
2407 
2408 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2409 {
2410 	int err;
2411 
2412 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2413 	if (err < 0)
2414 		return err;
2415 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2416 	if (err < 0)
2417 		return err;
2418 
2419 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2420 	if (err < 0)
2421 		return err;
2422 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2423 	if (err < 0)
2424 		return err;
2425 
2426 	if (!ice->own_routing && ice->num_total_dacs > 0) {
2427 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2428 		tmp.count = ice->num_total_dacs;
2429 		if (ice->vt1720 && tmp.count > 2)
2430 			tmp.count = 2;
2431 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2432 		if (err < 0)
2433 			return err;
2434 	}
2435 
2436 	return snd_ctl_add(ice->card,
2437 			   snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2438 }
2439 
2440 static void snd_vt1724_free(struct snd_card *card)
2441 {
2442 	struct snd_ice1712 *ice = card->private_data;
2443 
2444 	/* mask all interrupts */
2445 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2446 	outb(0xff, ICEREG1724(ice, IRQMASK));
2447 
2448 	snd_ice1712_akm4xxx_free(ice);
2449 }
2450 
2451 static int snd_vt1724_create(struct snd_card *card,
2452 			     struct pci_dev *pci,
2453 			     const char *modelname)
2454 {
2455 	struct snd_ice1712 *ice = card->private_data;
2456 	int err;
2457 
2458 	/* enable PCI device */
2459 	err = pcim_enable_device(pci);
2460 	if (err < 0)
2461 		return err;
2462 
2463 	ice->vt1724 = 1;
2464 	spin_lock_init(&ice->reg_lock);
2465 	mutex_init(&ice->gpio_mutex);
2466 	mutex_init(&ice->open_mutex);
2467 	mutex_init(&ice->i2c_mutex);
2468 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2469 	ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2470 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2471 	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2472 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2473 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2474 	ice->card = card;
2475 	ice->pci = pci;
2476 	ice->irq = -1;
2477 	pci_set_master(pci);
2478 	snd_vt1724_proc_init(ice);
2479 
2480 	err = pcim_request_all_regions(pci, "ICE1724");
2481 	if (err < 0)
2482 		return err;
2483 	ice->port = pci_resource_start(pci, 0);
2484 	ice->profi_port = pci_resource_start(pci, 1);
2485 
2486 	if (devm_request_irq(&pci->dev, pci->irq, snd_vt1724_interrupt,
2487 			     IRQF_SHARED, KBUILD_MODNAME, ice)) {
2488 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2489 		return -EIO;
2490 	}
2491 
2492 	ice->irq = pci->irq;
2493 	card->sync_irq = ice->irq;
2494 	card->private_free = snd_vt1724_free;
2495 
2496 	snd_vt1724_chip_reset(ice);
2497 	if (snd_vt1724_read_eeprom(ice, modelname) < 0)
2498 		return -EIO;
2499 	if (snd_vt1724_chip_init(ice) < 0)
2500 		return -EIO;
2501 
2502 	return 0;
2503 }
2504 
2505 
2506 /*
2507  *
2508  * Registration
2509  *
2510  */
2511 
2512 static int __snd_vt1724_probe(struct pci_dev *pci,
2513 			      const struct pci_device_id *pci_id)
2514 {
2515 	static int dev;
2516 	struct snd_card *card;
2517 	struct snd_ice1712 *ice;
2518 	int pcm_dev = 0, err;
2519 	const struct snd_ice1712_card_info *c;
2520 
2521 	if (dev >= SNDRV_CARDS)
2522 		return -ENODEV;
2523 	if (!enable[dev]) {
2524 		dev++;
2525 		return -ENOENT;
2526 	}
2527 
2528 	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2529 				sizeof(*ice), &card);
2530 	if (err < 0)
2531 		return err;
2532 	ice = card->private_data;
2533 
2534 	strscpy(card->driver, "ICE1724");
2535 	strscpy(card->shortname, "ICEnsemble ICE1724");
2536 
2537 	err = snd_vt1724_create(card, pci, model[dev]);
2538 	if (err < 0)
2539 		return err;
2540 
2541 	/* field init before calling chip_init */
2542 	ice->ext_clock_count = 0;
2543 
2544 	c = ice->card_info;
2545 	if (c) {
2546 		strscpy(card->shortname, c->name);
2547 		if (c->driver) /* specific driver? */
2548 			strscpy(card->driver, c->driver);
2549 		if (c->chip_init) {
2550 			err = c->chip_init(ice);
2551 			if (err < 0)
2552 				return err;
2553 		}
2554 	}
2555 
2556 	/*
2557 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2558 	* ICE1712 has only one for both (mixed up).
2559 	*
2560 	* Confusingly the analog PCM is named "professional" here because it
2561 	* was called so in ice1712 driver, and vt1724 driver is derived from
2562 	* ice1712 driver.
2563 	*/
2564 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2565 	if (!ice->is_spdif_master)
2566 		ice->is_spdif_master = stdclock_is_spdif_master;
2567 	if (!ice->get_rate)
2568 		ice->get_rate = stdclock_get_rate;
2569 	if (!ice->set_rate)
2570 		ice->set_rate = stdclock_set_rate;
2571 	if (!ice->set_mclk)
2572 		ice->set_mclk = stdclock_set_mclk;
2573 	if (!ice->set_spdif_clock)
2574 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2575 	if (!ice->get_spdif_master_type)
2576 		ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2577 	if (!ice->ext_clock_names)
2578 		ice->ext_clock_names = ext_clock_names;
2579 	if (!ice->ext_clock_count)
2580 		ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2581 
2582 	if (!ice->hw_rates)
2583 		set_std_hw_rates(ice);
2584 
2585 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2586 	if (err < 0)
2587 		return err;
2588 
2589 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2590 	if (err < 0)
2591 		return err;
2592 
2593 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2594 	if (err < 0)
2595 		return err;
2596 
2597 	err = snd_vt1724_ac97_mixer(ice);
2598 	if (err < 0)
2599 		return err;
2600 
2601 	err = snd_vt1724_build_controls(ice);
2602 	if (err < 0)
2603 		return err;
2604 
2605 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2606 		err = snd_vt1724_spdif_build_controls(ice);
2607 		if (err < 0)
2608 			return err;
2609 	}
2610 
2611 	if (c && c->build_controls) {
2612 		err = c->build_controls(ice);
2613 		if (err < 0)
2614 			return err;
2615 	}
2616 
2617 	if (!c || !c->no_mpu401) {
2618 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2619 			struct snd_rawmidi *rmidi;
2620 
2621 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2622 			if (err < 0)
2623 				return err;
2624 			ice->rmidi[0] = rmidi;
2625 			rmidi->private_data = ice;
2626 			strscpy(rmidi->name, "ICE1724 MIDI");
2627 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2628 					    SNDRV_RAWMIDI_INFO_INPUT |
2629 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2630 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2631 					    &vt1724_midi_output_ops);
2632 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2633 					    &vt1724_midi_input_ops);
2634 
2635 			/* set watermarks */
2636 			outb(VT1724_MPU_RX_FIFO | 0x1,
2637 			     ICEREG1724(ice, MPU_FIFO_WM));
2638 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2639 			/* set UART mode */
2640 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2641 		}
2642 	}
2643 
2644 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2645 		card->shortname, ice->port, ice->irq);
2646 
2647 	err = snd_card_register(card);
2648 	if (err < 0)
2649 		return err;
2650 	pci_set_drvdata(pci, card);
2651 	dev++;
2652 	return 0;
2653 }
2654 
2655 static int snd_vt1724_probe(struct pci_dev *pci,
2656 			    const struct pci_device_id *pci_id)
2657 {
2658 	return snd_card_free_on_error(&pci->dev, __snd_vt1724_probe(pci, pci_id));
2659 }
2660 
2661 #ifdef CONFIG_PM_SLEEP
2662 static int snd_vt1724_suspend(struct device *dev)
2663 {
2664 	struct snd_card *card = dev_get_drvdata(dev);
2665 	struct snd_ice1712 *ice = card->private_data;
2666 
2667 	if (!ice->pm_suspend_enabled)
2668 		return 0;
2669 
2670 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2671 
2672 	snd_ac97_suspend(ice->ac97);
2673 
2674 	scoped_guard(spinlock_irq, &ice->reg_lock) {
2675 		ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2676 		ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2677 		ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2678 		ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2679 	}
2680 
2681 	if (ice->pm_suspend)
2682 		ice->pm_suspend(ice);
2683 	return 0;
2684 }
2685 
2686 static int snd_vt1724_resume(struct device *dev)
2687 {
2688 	struct snd_card *card = dev_get_drvdata(dev);
2689 	struct snd_ice1712 *ice = card->private_data;
2690 
2691 	if (!ice->pm_suspend_enabled)
2692 		return 0;
2693 
2694 	snd_vt1724_chip_reset(ice);
2695 
2696 	if (snd_vt1724_chip_init(ice) < 0) {
2697 		snd_card_disconnect(card);
2698 		return -EIO;
2699 	}
2700 
2701 	if (ice->pm_resume)
2702 		ice->pm_resume(ice);
2703 
2704 	if (ice->pm_saved_is_spdif_master) {
2705 		/* switching to external clock via SPDIF */
2706 		ice->set_spdif_clock(ice, 0);
2707 	} else {
2708 		/* internal on-card clock */
2709 		int rate;
2710 		if (ice->cur_rate)
2711 			rate = ice->cur_rate;
2712 		else
2713 			rate = ice->pro_rate_default;
2714 		snd_vt1724_set_pro_rate(ice, rate, 1);
2715 	}
2716 
2717 	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2718 
2719 	outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2720 	outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2721 
2722 	snd_ac97_resume(ice->ac97);
2723 
2724 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2725 	return 0;
2726 }
2727 
2728 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2729 #define SND_VT1724_PM_OPS	&snd_vt1724_pm
2730 #else
2731 #define SND_VT1724_PM_OPS	NULL
2732 #endif /* CONFIG_PM_SLEEP */
2733 
2734 static struct pci_driver vt1724_driver = {
2735 	.name = KBUILD_MODNAME,
2736 	.id_table = snd_vt1724_ids,
2737 	.probe = snd_vt1724_probe,
2738 	.driver = {
2739 		.pm = SND_VT1724_PM_OPS,
2740 	},
2741 };
2742 
2743 module_pci_driver(vt1724_driver);
2744