xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision 532c2919)
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, err;
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 	err = snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
747 	if (err < 0)
748 		return err;
749 
750 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
751 }
752 
753 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
754 {
755 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
756 	int i;
757 
758 	mutex_lock(&ice->open_mutex);
759 	/* unmark surround channels */
760 	for (i = 0; i < 3; i++)
761 		if (ice->pcm_reserved[i] == substream)
762 			ice->pcm_reserved[i] = NULL;
763 	mutex_unlock(&ice->open_mutex);
764 	return snd_pcm_lib_free_pages(substream);
765 }
766 
767 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
768 {
769 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
770 	unsigned char val;
771 	unsigned int size;
772 
773 	spin_lock_irq(&ice->reg_lock);
774 	val = (8 - substream->runtime->channels) >> 1;
775 	outb(val, ICEMT1724(ice, BURST));
776 
777 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
778 
779 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
780 	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
781 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
782 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
783 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
784 	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
785 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
786 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
787 
788 	spin_unlock_irq(&ice->reg_lock);
789 
790 	/*
791 	dev_dbg(ice->card->dev, "pro prepare: ch = %d, addr = 0x%x, "
792 	       "buffer = 0x%x, period = 0x%x\n",
793 	       substream->runtime->channels,
794 	       (unsigned int)substream->runtime->dma_addr,
795 	       snd_pcm_lib_buffer_bytes(substream),
796 	       snd_pcm_lib_period_bytes(substream));
797 	*/
798 	return 0;
799 }
800 
801 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
802 {
803 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
804 	size_t ptr;
805 
806 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
807 		return 0;
808 #if 0 /* read PLAYBACK_ADDR */
809 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
810 	if (ptr < substream->runtime->dma_addr) {
811 		dev_dbg(ice->card->dev, "invalid negative ptr\n");
812 		return 0;
813 	}
814 	ptr -= substream->runtime->dma_addr;
815 	ptr = bytes_to_frames(substream->runtime, ptr);
816 	if (ptr >= substream->runtime->buffer_size) {
817 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
818 			   (int)ptr, (int)substream->runtime->period_size);
819 		return 0;
820 	}
821 #else /* read PLAYBACK_SIZE */
822 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
823 	ptr = (ptr + 1) << 2;
824 	ptr = bytes_to_frames(substream->runtime, ptr);
825 	if (!ptr)
826 		;
827 	else if (ptr <= substream->runtime->buffer_size)
828 		ptr = substream->runtime->buffer_size - ptr;
829 	else {
830 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
831 			   (int)ptr, (int)substream->runtime->buffer_size);
832 		ptr = 0;
833 	}
834 #endif
835 	return ptr;
836 }
837 
838 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
839 {
840 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
841 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
842 
843 	spin_lock_irq(&ice->reg_lock);
844 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
845 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
846 	     ice->profi_port + reg->size);
847 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
848 	     ice->profi_port + reg->count);
849 	spin_unlock_irq(&ice->reg_lock);
850 	return 0;
851 }
852 
853 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
854 {
855 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
856 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
857 	size_t ptr;
858 
859 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
860 		return 0;
861 #if 0 /* use ADDR register */
862 	ptr = inl(ice->profi_port + reg->addr);
863 	ptr -= substream->runtime->dma_addr;
864 	return bytes_to_frames(substream->runtime, ptr);
865 #else /* use SIZE register */
866 	ptr = inw(ice->profi_port + reg->size);
867 	ptr = (ptr + 1) << 2;
868 	ptr = bytes_to_frames(substream->runtime, ptr);
869 	if (!ptr)
870 		;
871 	else if (ptr <= substream->runtime->buffer_size)
872 		ptr = substream->runtime->buffer_size - ptr;
873 	else {
874 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
875 			   (int)ptr, (int)substream->runtime->buffer_size);
876 		ptr = 0;
877 	}
878 	return ptr;
879 #endif
880 }
881 
882 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
883 	.addr = VT1724_MT_PLAYBACK_ADDR,
884 	.size = VT1724_MT_PLAYBACK_SIZE,
885 	.count = VT1724_MT_PLAYBACK_COUNT,
886 	.start = VT1724_PDMA0_START,
887 };
888 
889 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
890 	.addr = VT1724_MT_PDMA4_ADDR,
891 	.size = VT1724_MT_PDMA4_SIZE,
892 	.count = VT1724_MT_PDMA4_COUNT,
893 	.start = VT1724_PDMA4_START,
894 };
895 
896 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
897 	.addr = VT1724_MT_CAPTURE_ADDR,
898 	.size = VT1724_MT_CAPTURE_SIZE,
899 	.count = VT1724_MT_CAPTURE_COUNT,
900 	.start = VT1724_RDMA0_START,
901 };
902 
903 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
904 	.addr = VT1724_MT_RDMA1_ADDR,
905 	.size = VT1724_MT_RDMA1_SIZE,
906 	.count = VT1724_MT_RDMA1_COUNT,
907 	.start = VT1724_RDMA1_START,
908 };
909 
910 #define vt1724_playback_pro_reg vt1724_pdma0_reg
911 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
912 #define vt1724_capture_pro_reg vt1724_rdma0_reg
913 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
914 
915 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
916 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
917 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
918 				 SNDRV_PCM_INFO_MMAP_VALID |
919 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
920 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
921 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
922 	.rate_min =		8000,
923 	.rate_max =		192000,
924 	.channels_min =		2,
925 	.channels_max =		8,
926 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
927 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
928 	.period_bytes_max =	(1UL << 21),
929 	.periods_min =		2,
930 	.periods_max =		1024,
931 };
932 
933 static const struct snd_pcm_hardware snd_vt1724_spdif = {
934 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
935 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
936 				 SNDRV_PCM_INFO_MMAP_VALID |
937 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
938 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
939 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
940 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
941 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
942 				 SNDRV_PCM_RATE_192000),
943 	.rate_min =		32000,
944 	.rate_max =		192000,
945 	.channels_min =		2,
946 	.channels_max =		2,
947 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
948 	.period_bytes_min =	2 * 4 * 2,
949 	.period_bytes_max =	(1UL << 18),
950 	.periods_min =		2,
951 	.periods_max =		1024,
952 };
953 
954 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
955 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
956 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
957 				 SNDRV_PCM_INFO_MMAP_VALID |
958 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
959 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
960 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
961 	.rate_min =		8000,
962 	.rate_max =		192000,
963 	.channels_min =		2,
964 	.channels_max =		2,
965 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
966 	.period_bytes_min =	2 * 4 * 2,
967 	.period_bytes_max =	(1UL << 18),
968 	.periods_min =		2,
969 	.periods_max =		1024,
970 };
971 
972 /*
973  * set rate constraints
974  */
975 static void set_std_hw_rates(struct snd_ice1712 *ice)
976 {
977 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
978 		/* I2S */
979 		/* VT1720 doesn't support more than 96kHz */
980 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
981 			ice->hw_rates = &hw_constraints_rates_192;
982 		else
983 			ice->hw_rates = &hw_constraints_rates_96;
984 	} else {
985 		/* ACLINK */
986 		ice->hw_rates = &hw_constraints_rates_48;
987 	}
988 }
989 
990 static int set_rate_constraints(struct snd_ice1712 *ice,
991 				struct snd_pcm_substream *substream)
992 {
993 	struct snd_pcm_runtime *runtime = substream->runtime;
994 
995 	runtime->hw.rate_min = ice->hw_rates->list[0];
996 	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
997 	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
998 	return snd_pcm_hw_constraint_list(runtime, 0,
999 					  SNDRV_PCM_HW_PARAM_RATE,
1000 					  ice->hw_rates);
1001 }
1002 
1003 /* if the card has the internal rate locked (is_pro_locked), limit runtime
1004    hw rates to the current internal rate only.
1005 */
1006 static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
1007 {
1008 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1009 	struct snd_pcm_runtime *runtime = substream->runtime;
1010 	unsigned int rate;
1011 	if (is_pro_rate_locked(ice)) {
1012 		rate = ice->get_rate(ice);
1013 		if (rate >= runtime->hw.rate_min
1014 		    && rate <= runtime->hw.rate_max) {
1015 			runtime->hw.rate_min = rate;
1016 			runtime->hw.rate_max = rate;
1017 		}
1018 	}
1019 }
1020 
1021 
1022 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1023  * actually used
1024  */
1025 #define VT1724_BUFFER_ALIGN	0x20
1026 
1027 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1028 {
1029 	struct snd_pcm_runtime *runtime = substream->runtime;
1030 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1031 	int chs, num_indeps;
1032 
1033 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
1034 	ice->playback_pro_substream = substream;
1035 	runtime->hw = snd_vt1724_playback_pro;
1036 	snd_pcm_set_sync(substream);
1037 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1038 	set_rate_constraints(ice, substream);
1039 	mutex_lock(&ice->open_mutex);
1040 	/* calculate the currently available channels */
1041 	num_indeps = ice->num_total_dacs / 2 - 1;
1042 	for (chs = 0; chs < num_indeps; chs++) {
1043 		if (ice->pcm_reserved[chs])
1044 			break;
1045 	}
1046 	chs = (chs + 1) * 2;
1047 	runtime->hw.channels_max = chs;
1048 	if (chs > 2) /* channels must be even */
1049 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1050 	mutex_unlock(&ice->open_mutex);
1051 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1052 				   VT1724_BUFFER_ALIGN);
1053 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1054 				   VT1724_BUFFER_ALIGN);
1055 	constrain_rate_if_locked(substream);
1056 	if (ice->pro_open)
1057 		ice->pro_open(ice, substream);
1058 	return 0;
1059 }
1060 
1061 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1062 {
1063 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1064 	struct snd_pcm_runtime *runtime = substream->runtime;
1065 
1066 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
1067 	ice->capture_pro_substream = substream;
1068 	runtime->hw = snd_vt1724_2ch_stereo;
1069 	snd_pcm_set_sync(substream);
1070 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1071 	set_rate_constraints(ice, substream);
1072 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1073 				   VT1724_BUFFER_ALIGN);
1074 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1075 				   VT1724_BUFFER_ALIGN);
1076 	constrain_rate_if_locked(substream);
1077 	if (ice->pro_open)
1078 		ice->pro_open(ice, substream);
1079 	return 0;
1080 }
1081 
1082 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1083 {
1084 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1085 
1086 	if (PRO_RATE_RESET)
1087 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1088 	ice->playback_pro_substream = NULL;
1089 
1090 	return 0;
1091 }
1092 
1093 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1094 {
1095 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1096 
1097 	if (PRO_RATE_RESET)
1098 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1099 	ice->capture_pro_substream = NULL;
1100 	return 0;
1101 }
1102 
1103 static const struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1104 	.open =		snd_vt1724_playback_pro_open,
1105 	.close =	snd_vt1724_playback_pro_close,
1106 	.ioctl =	snd_pcm_lib_ioctl,
1107 	.hw_params =	snd_vt1724_pcm_hw_params,
1108 	.hw_free =	snd_vt1724_pcm_hw_free,
1109 	.prepare =	snd_vt1724_playback_pro_prepare,
1110 	.trigger =	snd_vt1724_pcm_trigger,
1111 	.pointer =	snd_vt1724_playback_pro_pointer,
1112 };
1113 
1114 static const struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1115 	.open =		snd_vt1724_capture_pro_open,
1116 	.close =	snd_vt1724_capture_pro_close,
1117 	.ioctl =	snd_pcm_lib_ioctl,
1118 	.hw_params =	snd_vt1724_pcm_hw_params,
1119 	.hw_free =	snd_vt1724_pcm_hw_free,
1120 	.prepare =	snd_vt1724_pcm_prepare,
1121 	.trigger =	snd_vt1724_pcm_trigger,
1122 	.pointer =	snd_vt1724_pcm_pointer,
1123 };
1124 
1125 static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1126 {
1127 	struct snd_pcm *pcm;
1128 	int capt, err;
1129 
1130 	if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1131 	    VT1724_CFG_ADC_NONE)
1132 		capt = 0;
1133 	else
1134 		capt = 1;
1135 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1136 	if (err < 0)
1137 		return err;
1138 
1139 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1140 	if (capt)
1141 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1142 			&snd_vt1724_capture_pro_ops);
1143 
1144 	pcm->private_data = ice;
1145 	pcm->info_flags = 0;
1146 	strcpy(pcm->name, "ICE1724");
1147 
1148 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1149 					      &ice->pci->dev,
1150 					      256*1024, 256*1024);
1151 
1152 	ice->pcm_pro = pcm;
1153 
1154 	return 0;
1155 }
1156 
1157 
1158 /*
1159  * SPDIF PCM
1160  */
1161 
1162 /* update spdif control bits; call with reg_lock */
1163 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1164 {
1165 	unsigned char cbit, disabled;
1166 
1167 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1168 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1169 	if (cbit != disabled)
1170 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1171 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1172 	if (cbit != disabled)
1173 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1174 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1175 }
1176 
1177 /* update SPDIF control bits according to the given rate */
1178 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1179 {
1180 	unsigned int val, nval;
1181 	unsigned long flags;
1182 
1183 	spin_lock_irqsave(&ice->reg_lock, flags);
1184 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1185 	nval &= ~(7 << 12);
1186 	switch (rate) {
1187 	case 44100: break;
1188 	case 48000: nval |= 2 << 12; break;
1189 	case 32000: nval |= 3 << 12; break;
1190 	case 88200: nval |= 4 << 12; break;
1191 	case 96000: nval |= 5 << 12; break;
1192 	case 192000: nval |= 6 << 12; break;
1193 	case 176400: nval |= 7 << 12; break;
1194 	}
1195 	if (val != nval)
1196 		update_spdif_bits(ice, nval);
1197 	spin_unlock_irqrestore(&ice->reg_lock, flags);
1198 }
1199 
1200 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1201 {
1202 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1203 	if (!ice->force_pdma4)
1204 		update_spdif_rate(ice, substream->runtime->rate);
1205 	return snd_vt1724_pcm_prepare(substream);
1206 }
1207 
1208 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1209 {
1210 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1211 	struct snd_pcm_runtime *runtime = substream->runtime;
1212 
1213 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1214 	ice->playback_con_substream = substream;
1215 	if (ice->force_pdma4) {
1216 		runtime->hw = snd_vt1724_2ch_stereo;
1217 		set_rate_constraints(ice, substream);
1218 	} else
1219 		runtime->hw = snd_vt1724_spdif;
1220 	snd_pcm_set_sync(substream);
1221 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1222 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1223 				   VT1724_BUFFER_ALIGN);
1224 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1225 				   VT1724_BUFFER_ALIGN);
1226 	constrain_rate_if_locked(substream);
1227 	if (ice->spdif.ops.open)
1228 		ice->spdif.ops.open(ice, substream);
1229 	return 0;
1230 }
1231 
1232 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1233 {
1234 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1235 
1236 	if (PRO_RATE_RESET)
1237 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1238 	ice->playback_con_substream = NULL;
1239 	if (ice->spdif.ops.close)
1240 		ice->spdif.ops.close(ice, substream);
1241 
1242 	return 0;
1243 }
1244 
1245 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1246 {
1247 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1248 	struct snd_pcm_runtime *runtime = substream->runtime;
1249 
1250 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1251 	ice->capture_con_substream = substream;
1252 	if (ice->force_rdma1) {
1253 		runtime->hw = snd_vt1724_2ch_stereo;
1254 		set_rate_constraints(ice, substream);
1255 	} else
1256 		runtime->hw = snd_vt1724_spdif;
1257 	snd_pcm_set_sync(substream);
1258 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1259 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1260 				   VT1724_BUFFER_ALIGN);
1261 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1262 				   VT1724_BUFFER_ALIGN);
1263 	constrain_rate_if_locked(substream);
1264 	if (ice->spdif.ops.open)
1265 		ice->spdif.ops.open(ice, substream);
1266 	return 0;
1267 }
1268 
1269 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1270 {
1271 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1272 
1273 	if (PRO_RATE_RESET)
1274 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1275 	ice->capture_con_substream = NULL;
1276 	if (ice->spdif.ops.close)
1277 		ice->spdif.ops.close(ice, substream);
1278 
1279 	return 0;
1280 }
1281 
1282 static const struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1283 	.open =		snd_vt1724_playback_spdif_open,
1284 	.close =	snd_vt1724_playback_spdif_close,
1285 	.ioctl =	snd_pcm_lib_ioctl,
1286 	.hw_params =	snd_vt1724_pcm_hw_params,
1287 	.hw_free =	snd_vt1724_pcm_hw_free,
1288 	.prepare =	snd_vt1724_playback_spdif_prepare,
1289 	.trigger =	snd_vt1724_pcm_trigger,
1290 	.pointer =	snd_vt1724_pcm_pointer,
1291 };
1292 
1293 static const struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1294 	.open =		snd_vt1724_capture_spdif_open,
1295 	.close =	snd_vt1724_capture_spdif_close,
1296 	.ioctl =	snd_pcm_lib_ioctl,
1297 	.hw_params =	snd_vt1724_pcm_hw_params,
1298 	.hw_free =	snd_vt1724_pcm_hw_free,
1299 	.prepare =	snd_vt1724_pcm_prepare,
1300 	.trigger =	snd_vt1724_pcm_trigger,
1301 	.pointer =	snd_vt1724_pcm_pointer,
1302 };
1303 
1304 
1305 static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1306 {
1307 	char *name;
1308 	struct snd_pcm *pcm;
1309 	int play, capt;
1310 	int err;
1311 
1312 	if (ice->force_pdma4 ||
1313 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1314 		play = 1;
1315 		ice->has_spdif = 1;
1316 	} else
1317 		play = 0;
1318 	if (ice->force_rdma1 ||
1319 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1320 		capt = 1;
1321 		ice->has_spdif = 1;
1322 	} else
1323 		capt = 0;
1324 	if (!play && !capt)
1325 		return 0; /* no spdif device */
1326 
1327 	if (ice->force_pdma4 || ice->force_rdma1)
1328 		name = "ICE1724 Secondary";
1329 	else
1330 		name = "ICE1724 IEC958";
1331 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1332 	if (err < 0)
1333 		return err;
1334 
1335 	if (play)
1336 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1337 				&snd_vt1724_playback_spdif_ops);
1338 	if (capt)
1339 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1340 				&snd_vt1724_capture_spdif_ops);
1341 
1342 	pcm->private_data = ice;
1343 	pcm->info_flags = 0;
1344 	strcpy(pcm->name, name);
1345 
1346 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1347 					      &ice->pci->dev,
1348 					      256*1024, 256*1024);
1349 
1350 	ice->pcm = pcm;
1351 
1352 	return 0;
1353 }
1354 
1355 
1356 /*
1357  * independent surround PCMs
1358  */
1359 
1360 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1361 	{
1362 		.addr = VT1724_MT_PDMA1_ADDR,
1363 		.size = VT1724_MT_PDMA1_SIZE,
1364 		.count = VT1724_MT_PDMA1_COUNT,
1365 		.start = VT1724_PDMA1_START,
1366 	},
1367 	{
1368 		.addr = VT1724_MT_PDMA2_ADDR,
1369 		.size = VT1724_MT_PDMA2_SIZE,
1370 		.count = VT1724_MT_PDMA2_COUNT,
1371 		.start = VT1724_PDMA2_START,
1372 	},
1373 	{
1374 		.addr = VT1724_MT_PDMA3_ADDR,
1375 		.size = VT1724_MT_PDMA3_SIZE,
1376 		.count = VT1724_MT_PDMA3_COUNT,
1377 		.start = VT1724_PDMA3_START,
1378 	},
1379 };
1380 
1381 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1382 {
1383 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1384 	unsigned char val;
1385 
1386 	spin_lock_irq(&ice->reg_lock);
1387 	val = 3 - substream->number;
1388 	if (inb(ICEMT1724(ice, BURST)) < val)
1389 		outb(val, ICEMT1724(ice, BURST));
1390 	spin_unlock_irq(&ice->reg_lock);
1391 	return snd_vt1724_pcm_prepare(substream);
1392 }
1393 
1394 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1395 {
1396 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1397 	struct snd_pcm_runtime *runtime = substream->runtime;
1398 
1399 	mutex_lock(&ice->open_mutex);
1400 	/* already used by PDMA0? */
1401 	if (ice->pcm_reserved[substream->number]) {
1402 		mutex_unlock(&ice->open_mutex);
1403 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1404 	}
1405 	mutex_unlock(&ice->open_mutex);
1406 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1407 	ice->playback_con_substream_ds[substream->number] = substream;
1408 	runtime->hw = snd_vt1724_2ch_stereo;
1409 	snd_pcm_set_sync(substream);
1410 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1411 	set_rate_constraints(ice, substream);
1412 	return 0;
1413 }
1414 
1415 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1416 {
1417 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1418 
1419 	if (PRO_RATE_RESET)
1420 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1421 	ice->playback_con_substream_ds[substream->number] = NULL;
1422 	ice->pcm_reserved[substream->number] = NULL;
1423 
1424 	return 0;
1425 }
1426 
1427 static const struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1428 	.open =		snd_vt1724_playback_indep_open,
1429 	.close =	snd_vt1724_playback_indep_close,
1430 	.ioctl =	snd_pcm_lib_ioctl,
1431 	.hw_params =	snd_vt1724_pcm_hw_params,
1432 	.hw_free =	snd_vt1724_pcm_hw_free,
1433 	.prepare =	snd_vt1724_playback_indep_prepare,
1434 	.trigger =	snd_vt1724_pcm_trigger,
1435 	.pointer =	snd_vt1724_pcm_pointer,
1436 };
1437 
1438 
1439 static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1440 {
1441 	struct snd_pcm *pcm;
1442 	int play;
1443 	int err;
1444 
1445 	play = ice->num_total_dacs / 2 - 1;
1446 	if (play <= 0)
1447 		return 0;
1448 
1449 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1450 	if (err < 0)
1451 		return err;
1452 
1453 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1454 			&snd_vt1724_playback_indep_ops);
1455 
1456 	pcm->private_data = ice;
1457 	pcm->info_flags = 0;
1458 	strcpy(pcm->name, "ICE1724 Surround PCM");
1459 
1460 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1461 					      &ice->pci->dev,
1462 					      256*1024, 256*1024);
1463 
1464 	ice->pcm_ds = pcm;
1465 
1466 	return 0;
1467 }
1468 
1469 
1470 /*
1471  *  Mixer section
1472  */
1473 
1474 static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1475 {
1476 	int err;
1477 
1478 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1479 		struct snd_ac97_bus *pbus;
1480 		struct snd_ac97_template ac97;
1481 		static struct snd_ac97_bus_ops ops = {
1482 			.write = snd_vt1724_ac97_write,
1483 			.read = snd_vt1724_ac97_read,
1484 		};
1485 
1486 		/* cold reset */
1487 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1488 		mdelay(5); /* FIXME */
1489 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1490 
1491 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1492 		if (err < 0)
1493 			return err;
1494 		memset(&ac97, 0, sizeof(ac97));
1495 		ac97.private_data = ice;
1496 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1497 		if (err < 0)
1498 			dev_warn(ice->card->dev,
1499 				 "cannot initialize pro ac97, skipped\n");
1500 		else
1501 			return 0;
1502 	}
1503 	/* I2S mixer only */
1504 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1505 	return 0;
1506 }
1507 
1508 /*
1509  *
1510  */
1511 
1512 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1513 {
1514 	return (unsigned int)ice->eeprom.data[idx] | \
1515 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1516 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1517 }
1518 
1519 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1520 				 struct snd_info_buffer *buffer)
1521 {
1522 	struct snd_ice1712 *ice = entry->private_data;
1523 	unsigned int idx;
1524 
1525 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1526 	snd_iprintf(buffer, "EEPROM:\n");
1527 
1528 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1529 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1530 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1531 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1532 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1533 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1534 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1535 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1536 		    ice->eeprom.data[ICE_EEP2_I2S]);
1537 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1538 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1539 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1540 		    ice->eeprom.gpiodir);
1541 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1542 		    ice->eeprom.gpiomask);
1543 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1544 		    ice->eeprom.gpiostate);
1545 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1546 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1547 			    idx, ice->eeprom.data[idx]);
1548 
1549 	snd_iprintf(buffer, "\nRegisters:\n");
1550 
1551 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1552 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1553 	for (idx = 0x0; idx < 0x20 ; idx++)
1554 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1555 			    idx, inb(ice->port+idx));
1556 	for (idx = 0x0; idx < 0x30 ; idx++)
1557 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1558 			    idx, inb(ice->profi_port+idx));
1559 }
1560 
1561 static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1562 {
1563 	snd_card_ro_proc_new(ice->card, "ice1724", ice, snd_vt1724_proc_read);
1564 }
1565 
1566 /*
1567  *
1568  */
1569 
1570 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1571 				  struct snd_ctl_elem_info *uinfo)
1572 {
1573 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1574 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1575 	return 0;
1576 }
1577 
1578 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1579 				 struct snd_ctl_elem_value *ucontrol)
1580 {
1581 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1582 
1583 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1584 	return 0;
1585 }
1586 
1587 static const struct snd_kcontrol_new snd_vt1724_eeprom = {
1588 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1589 	.name = "ICE1724 EEPROM",
1590 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1591 	.info = snd_vt1724_eeprom_info,
1592 	.get = snd_vt1724_eeprom_get
1593 };
1594 
1595 /*
1596  */
1597 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1598 				 struct snd_ctl_elem_info *uinfo)
1599 {
1600 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1601 	uinfo->count = 1;
1602 	return 0;
1603 }
1604 
1605 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1606 {
1607 	unsigned int val, rbits;
1608 
1609 	val = diga->status[0] & 0x03; /* professional, non-audio */
1610 	if (val & 0x01) {
1611 		/* professional */
1612 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1613 		    IEC958_AES0_PRO_EMPHASIS_5015)
1614 			val |= 1U << 3;
1615 		rbits = (diga->status[4] >> 3) & 0x0f;
1616 		if (rbits) {
1617 			switch (rbits) {
1618 			case 2: val |= 5 << 12; break; /* 96k */
1619 			case 3: val |= 6 << 12; break; /* 192k */
1620 			case 10: val |= 4 << 12; break; /* 88.2k */
1621 			case 11: val |= 7 << 12; break; /* 176.4k */
1622 			}
1623 		} else {
1624 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1625 			case IEC958_AES0_PRO_FS_44100:
1626 				break;
1627 			case IEC958_AES0_PRO_FS_32000:
1628 				val |= 3U << 12;
1629 				break;
1630 			default:
1631 				val |= 2U << 12;
1632 				break;
1633 			}
1634 		}
1635 	} else {
1636 		/* consumer */
1637 		val |= diga->status[1] & 0x04; /* copyright */
1638 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1639 		    IEC958_AES0_CON_EMPHASIS_5015)
1640 			val |= 1U << 3;
1641 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1642 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1643 	}
1644 	return val;
1645 }
1646 
1647 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1648 {
1649 	memset(diga->status, 0, sizeof(diga->status));
1650 	diga->status[0] = val & 0x03; /* professional, non-audio */
1651 	if (val & 0x01) {
1652 		/* professional */
1653 		if (val & (1U << 3))
1654 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1655 		switch ((val >> 12) & 0x7) {
1656 		case 0:
1657 			break;
1658 		case 2:
1659 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1660 			break;
1661 		default:
1662 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1663 			break;
1664 		}
1665 	} else {
1666 		/* consumer */
1667 		diga->status[0] |= val & (1U << 2); /* copyright */
1668 		if (val & (1U << 3))
1669 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1670 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1671 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1672 	}
1673 }
1674 
1675 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1676 					struct snd_ctl_elem_value *ucontrol)
1677 {
1678 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1679 	unsigned int val;
1680 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1681 	decode_spdif_bits(&ucontrol->value.iec958, val);
1682 	return 0;
1683 }
1684 
1685 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1686 					 struct snd_ctl_elem_value *ucontrol)
1687 {
1688 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1689 	unsigned int val, old;
1690 
1691 	val = encode_spdif_bits(&ucontrol->value.iec958);
1692 	spin_lock_irq(&ice->reg_lock);
1693 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1694 	if (val != old)
1695 		update_spdif_bits(ice, val);
1696 	spin_unlock_irq(&ice->reg_lock);
1697 	return val != old;
1698 }
1699 
1700 static const struct snd_kcontrol_new snd_vt1724_spdif_default =
1701 {
1702 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1703 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1704 	.info =		snd_vt1724_spdif_info,
1705 	.get =		snd_vt1724_spdif_default_get,
1706 	.put =		snd_vt1724_spdif_default_put
1707 };
1708 
1709 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1710 				       struct snd_ctl_elem_value *ucontrol)
1711 {
1712 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1713 						     IEC958_AES0_PROFESSIONAL |
1714 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1715 						     IEC958_AES0_CON_EMPHASIS;
1716 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1717 						     IEC958_AES1_CON_CATEGORY;
1718 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1719 	return 0;
1720 }
1721 
1722 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1723 				       struct snd_ctl_elem_value *ucontrol)
1724 {
1725 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1726 						     IEC958_AES0_PROFESSIONAL |
1727 						     IEC958_AES0_PRO_FS |
1728 						     IEC958_AES0_PRO_EMPHASIS;
1729 	return 0;
1730 }
1731 
1732 static const struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1733 {
1734 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1735 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1736 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1737 	.info =		snd_vt1724_spdif_info,
1738 	.get =		snd_vt1724_spdif_maskc_get,
1739 };
1740 
1741 static const struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1742 {
1743 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1744 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1745 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1746 	.info =		snd_vt1724_spdif_info,
1747 	.get =		snd_vt1724_spdif_maskp_get,
1748 };
1749 
1750 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1751 
1752 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1753 				   struct snd_ctl_elem_value *ucontrol)
1754 {
1755 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1756 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1757 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1758 	return 0;
1759 }
1760 
1761 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1762 				   struct snd_ctl_elem_value *ucontrol)
1763 {
1764 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1765 	unsigned char old, val;
1766 
1767 	spin_lock_irq(&ice->reg_lock);
1768 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1769 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1770 	if (ucontrol->value.integer.value[0])
1771 		val |= VT1724_CFG_SPDIF_OUT_EN;
1772 	if (old != val)
1773 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1774 	spin_unlock_irq(&ice->reg_lock);
1775 	return old != val;
1776 }
1777 
1778 static const struct snd_kcontrol_new snd_vt1724_spdif_switch =
1779 {
1780 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1781 	/* FIXME: the following conflict with IEC958 Playback Route */
1782 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1783 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1784 	.info =		snd_vt1724_spdif_sw_info,
1785 	.get =		snd_vt1724_spdif_sw_get,
1786 	.put =		snd_vt1724_spdif_sw_put
1787 };
1788 
1789 
1790 #if 0 /* NOT USED YET */
1791 /*
1792  * GPIO access from extern
1793  */
1794 
1795 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1796 
1797 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1798 			struct snd_ctl_elem_value *ucontrol)
1799 {
1800 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1801 	int shift = kcontrol->private_value & 0xff;
1802 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1803 
1804 	snd_ice1712_save_gpio_status(ice);
1805 	ucontrol->value.integer.value[0] =
1806 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1807 	snd_ice1712_restore_gpio_status(ice);
1808 	return 0;
1809 }
1810 
1811 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1812 			 struct snd_ctl_elem_value *ucontrol)
1813 {
1814 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1815 	int shift = kcontrol->private_value & 0xff;
1816 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1817 	unsigned int val, nval;
1818 
1819 	if (kcontrol->private_value & (1 << 31))
1820 		return -EPERM;
1821 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1822 	snd_ice1712_save_gpio_status(ice);
1823 	val = snd_ice1712_gpio_read(ice);
1824 	nval |= val & ~(1 << shift);
1825 	if (val != nval)
1826 		snd_ice1712_gpio_write(ice, nval);
1827 	snd_ice1712_restore_gpio_status(ice);
1828 	return val != nval;
1829 }
1830 #endif /* NOT USED YET */
1831 
1832 /*
1833  *  rate
1834  */
1835 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1836 					      struct snd_ctl_elem_info *uinfo)
1837 {
1838 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1839 	int hw_rates_count = ice->hw_rates->count;
1840 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1841 	uinfo->count = 1;
1842 
1843 	/* internal clocks */
1844 	uinfo->value.enumerated.items = hw_rates_count;
1845 	/* external clocks */
1846 	if (ice->force_rdma1 ||
1847 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1848 		uinfo->value.enumerated.items += ice->ext_clock_count;
1849 	/* upper limit - keep at top */
1850 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1851 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1852 	if (uinfo->value.enumerated.item >= hw_rates_count)
1853 		/* ext_clock items */
1854 		strcpy(uinfo->value.enumerated.name,
1855 				ice->ext_clock_names[
1856 				uinfo->value.enumerated.item - hw_rates_count]);
1857 	else
1858 		/* int clock items */
1859 		sprintf(uinfo->value.enumerated.name, "%d",
1860 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1861 	return 0;
1862 }
1863 
1864 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1865 					     struct snd_ctl_elem_value *ucontrol)
1866 {
1867 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1868 	unsigned int i, rate;
1869 
1870 	spin_lock_irq(&ice->reg_lock);
1871 	if (ice->is_spdif_master(ice)) {
1872 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1873 			ice->get_spdif_master_type(ice);
1874 	} else {
1875 		rate = ice->get_rate(ice);
1876 		ucontrol->value.enumerated.item[0] = 0;
1877 		for (i = 0; i < ice->hw_rates->count; i++) {
1878 			if (ice->hw_rates->list[i] == rate) {
1879 				ucontrol->value.enumerated.item[0] = i;
1880 				break;
1881 			}
1882 		}
1883 	}
1884 	spin_unlock_irq(&ice->reg_lock);
1885 	return 0;
1886 }
1887 
1888 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1889 {
1890 	/* standard external clock - only single type - SPDIF IN */
1891 	return 0;
1892 }
1893 
1894 /* setting clock to external - SPDIF */
1895 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1896 {
1897 	unsigned char oval;
1898 	unsigned char i2s_oval;
1899 	oval = inb(ICEMT1724(ice, RATE));
1900 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1901 	/* setting 256fs */
1902 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1903 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1904 	return 0;
1905 }
1906 
1907 
1908 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1909 					     struct snd_ctl_elem_value *ucontrol)
1910 {
1911 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1912 	unsigned int old_rate, new_rate;
1913 	unsigned int item = ucontrol->value.enumerated.item[0];
1914 	unsigned int first_ext_clock = ice->hw_rates->count;
1915 
1916 	if (item >  first_ext_clock + ice->ext_clock_count - 1)
1917 		return -EINVAL;
1918 
1919 	/* if rate = 0 => external clock */
1920 	spin_lock_irq(&ice->reg_lock);
1921 	if (ice->is_spdif_master(ice))
1922 		old_rate = 0;
1923 	else
1924 		old_rate = ice->get_rate(ice);
1925 	if (item >= first_ext_clock) {
1926 		/* switching to external clock */
1927 		ice->set_spdif_clock(ice, item - first_ext_clock);
1928 		new_rate = 0;
1929 	} else {
1930 		/* internal on-card clock */
1931 		new_rate = ice->hw_rates->list[item];
1932 		ice->pro_rate_default = new_rate;
1933 		spin_unlock_irq(&ice->reg_lock);
1934 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1935 		spin_lock_irq(&ice->reg_lock);
1936 	}
1937 	spin_unlock_irq(&ice->reg_lock);
1938 
1939 	/* the first switch to the ext. clock mode? */
1940 	if (old_rate != new_rate && !new_rate) {
1941 		/* notify akm chips as well */
1942 		unsigned int i;
1943 		if (ice->gpio.set_pro_rate)
1944 			ice->gpio.set_pro_rate(ice, 0);
1945 		for (i = 0; i < ice->akm_codecs; i++) {
1946 			if (ice->akm[i].ops.set_rate_val)
1947 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1948 		}
1949 	}
1950 	return old_rate != new_rate;
1951 }
1952 
1953 static const struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1954 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1955 	.name = "Multi Track Internal Clock",
1956 	.info = snd_vt1724_pro_internal_clock_info,
1957 	.get = snd_vt1724_pro_internal_clock_get,
1958 	.put = snd_vt1724_pro_internal_clock_put
1959 };
1960 
1961 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1962 
1963 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1964 					   struct snd_ctl_elem_value *ucontrol)
1965 {
1966 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1967 	return 0;
1968 }
1969 
1970 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1971 					   struct snd_ctl_elem_value *ucontrol)
1972 {
1973 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1974 	int change = 0, nval;
1975 
1976 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1977 	spin_lock_irq(&ice->reg_lock);
1978 	change = PRO_RATE_LOCKED != nval;
1979 	PRO_RATE_LOCKED = nval;
1980 	spin_unlock_irq(&ice->reg_lock);
1981 	return change;
1982 }
1983 
1984 static const struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
1985 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1986 	.name = "Multi Track Rate Locking",
1987 	.info = snd_vt1724_pro_rate_locking_info,
1988 	.get = snd_vt1724_pro_rate_locking_get,
1989 	.put = snd_vt1724_pro_rate_locking_put
1990 };
1991 
1992 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1993 
1994 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1995 					 struct snd_ctl_elem_value *ucontrol)
1996 {
1997 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1998 	return 0;
1999 }
2000 
2001 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
2002 					 struct snd_ctl_elem_value *ucontrol)
2003 {
2004 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2005 	int change = 0, nval;
2006 
2007 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
2008 	spin_lock_irq(&ice->reg_lock);
2009 	change = PRO_RATE_RESET != nval;
2010 	PRO_RATE_RESET = nval;
2011 	spin_unlock_irq(&ice->reg_lock);
2012 	return change;
2013 }
2014 
2015 static const struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
2016 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2017 	.name = "Multi Track Rate Reset",
2018 	.info = snd_vt1724_pro_rate_reset_info,
2019 	.get = snd_vt1724_pro_rate_reset_get,
2020 	.put = snd_vt1724_pro_rate_reset_put
2021 };
2022 
2023 
2024 /*
2025  * routing
2026  */
2027 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2028 				     struct snd_ctl_elem_info *uinfo)
2029 {
2030 	static const char * const texts[] = {
2031 		"PCM Out", /* 0 */
2032 		"H/W In 0", "H/W In 1", /* 1-2 */
2033 		"IEC958 In L", "IEC958 In R", /* 3-4 */
2034 	};
2035 
2036 	return snd_ctl_enum_info(uinfo, 1, 5, texts);
2037 }
2038 
2039 static inline int analog_route_shift(int idx)
2040 {
2041 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2042 }
2043 
2044 static inline int digital_route_shift(int idx)
2045 {
2046 	return idx * 3;
2047 }
2048 
2049 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2050 {
2051 	unsigned long val;
2052 	unsigned char eitem;
2053 	static const unsigned char xlate[8] = {
2054 		0, 255, 1, 2, 255, 255, 3, 4,
2055 	};
2056 
2057 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2058 	val >>= shift;
2059 	val &= 7; /* we now have 3 bits per output */
2060 	eitem = xlate[val];
2061 	if (eitem == 255) {
2062 		snd_BUG();
2063 		return 0;
2064 	}
2065 	return eitem;
2066 }
2067 
2068 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2069 								int shift)
2070 {
2071 	unsigned int old_val, nval;
2072 	int change;
2073 	static const unsigned char xroute[8] = {
2074 		0, /* PCM */
2075 		2, /* PSDIN0 Left */
2076 		3, /* PSDIN0 Right */
2077 		6, /* SPDIN Left */
2078 		7, /* SPDIN Right */
2079 	};
2080 
2081 	nval = xroute[val % 5];
2082 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2083 	val &= ~(0x07 << shift);
2084 	val |= nval << shift;
2085 	change = val != old_val;
2086 	if (change)
2087 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2088 	return change;
2089 }
2090 
2091 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2092 					   struct snd_ctl_elem_value *ucontrol)
2093 {
2094 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2095 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2096 	ucontrol->value.enumerated.item[0] =
2097 		snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2098 	return 0;
2099 }
2100 
2101 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2102 					   struct snd_ctl_elem_value *ucontrol)
2103 {
2104 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2105 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2106 	return snd_ice1724_put_route_val(ice,
2107 					 ucontrol->value.enumerated.item[0],
2108 					 analog_route_shift(idx));
2109 }
2110 
2111 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2112 					  struct snd_ctl_elem_value *ucontrol)
2113 {
2114 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2115 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2116 	ucontrol->value.enumerated.item[0] =
2117 		snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2118 	return 0;
2119 }
2120 
2121 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2122 					  struct snd_ctl_elem_value *ucontrol)
2123 {
2124 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2125 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2126 	return snd_ice1724_put_route_val(ice,
2127 					 ucontrol->value.enumerated.item[0],
2128 					 digital_route_shift(idx));
2129 }
2130 
2131 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2132 {
2133 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2134 	.name = "H/W Playback Route",
2135 	.info = snd_vt1724_pro_route_info,
2136 	.get = snd_vt1724_pro_route_analog_get,
2137 	.put = snd_vt1724_pro_route_analog_put,
2138 };
2139 
2140 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2141 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2142 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2143 	.info = snd_vt1724_pro_route_info,
2144 	.get = snd_vt1724_pro_route_spdif_get,
2145 	.put = snd_vt1724_pro_route_spdif_put,
2146 	.count = 2,
2147 };
2148 
2149 
2150 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2151 				    struct snd_ctl_elem_info *uinfo)
2152 {
2153 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2154 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2155 	uinfo->value.integer.min = 0;
2156 	uinfo->value.integer.max = 255;
2157 	return 0;
2158 }
2159 
2160 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2161 				   struct snd_ctl_elem_value *ucontrol)
2162 {
2163 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2164 	int idx;
2165 
2166 	spin_lock_irq(&ice->reg_lock);
2167 	for (idx = 0; idx < 22; idx++) {
2168 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2169 		ucontrol->value.integer.value[idx] =
2170 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2171 	}
2172 	spin_unlock_irq(&ice->reg_lock);
2173 	return 0;
2174 }
2175 
2176 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2177 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
2178 	.name = "Multi Track Peak",
2179 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2180 	.info = snd_vt1724_pro_peak_info,
2181 	.get = snd_vt1724_pro_peak_get
2182 };
2183 
2184 /*
2185  *
2186  */
2187 
2188 static struct snd_ice1712_card_info no_matched;
2189 
2190 
2191 /*
2192   ooAoo cards with no controls
2193 */
2194 static unsigned char ooaoo_sq210_eeprom[] = {
2195 	[ICE_EEP2_SYSCONF]     = 0x4c,	/* 49MHz crystal, no mpu401, no ADC,
2196 					   1xDACs */
2197 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
2198 	[ICE_EEP2_I2S]         = 0x78,	/* no volume, 96k, 24bit, 192k */
2199 	[ICE_EEP2_SPDIF]       = 0xc1,	/* out-en, out-int, out-ext */
2200 	[ICE_EEP2_GPIO_DIR]    = 0x00,	/* no GPIOs are used */
2201 	[ICE_EEP2_GPIO_DIR1]   = 0x00,
2202 	[ICE_EEP2_GPIO_DIR2]   = 0x00,
2203 	[ICE_EEP2_GPIO_MASK]   = 0xff,
2204 	[ICE_EEP2_GPIO_MASK1]  = 0xff,
2205 	[ICE_EEP2_GPIO_MASK2]  = 0xff,
2206 
2207 	[ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2208 	[ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2209 					  and GPIO15 always zero */
2210 	[ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2211 };
2212 
2213 
2214 static struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2215 	{
2216 		.name = "ooAoo SQ210a",
2217 		.model = "sq210a",
2218 		.eeprom_size = sizeof(ooaoo_sq210_eeprom),
2219 		.eeprom_data = ooaoo_sq210_eeprom,
2220 	},
2221 	{ } /* terminator */
2222 };
2223 
2224 static struct snd_ice1712_card_info *card_tables[] = {
2225 	snd_vt1724_revo_cards,
2226 	snd_vt1724_amp_cards,
2227 	snd_vt1724_aureon_cards,
2228 	snd_vt1720_mobo_cards,
2229 	snd_vt1720_pontis_cards,
2230 	snd_vt1724_prodigy_hifi_cards,
2231 	snd_vt1724_prodigy192_cards,
2232 	snd_vt1724_juli_cards,
2233 	snd_vt1724_maya44_cards,
2234 	snd_vt1724_phase_cards,
2235 	snd_vt1724_wtm_cards,
2236 	snd_vt1724_se_cards,
2237 	snd_vt1724_qtet_cards,
2238 	snd_vt1724_ooaoo_cards,
2239 	snd_vt1724_psc724_cards,
2240 	NULL,
2241 };
2242 
2243 
2244 /*
2245  */
2246 
2247 static void wait_i2c_busy(struct snd_ice1712 *ice)
2248 {
2249 	int t = 0x10000;
2250 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2251 		;
2252 	if (t == -1)
2253 		dev_err(ice->card->dev, "i2c busy timeout\n");
2254 }
2255 
2256 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2257 				  unsigned char dev, unsigned char addr)
2258 {
2259 	unsigned char val;
2260 
2261 	mutex_lock(&ice->i2c_mutex);
2262 	wait_i2c_busy(ice);
2263 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2264 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2265 	wait_i2c_busy(ice);
2266 	val = inb(ICEREG1724(ice, I2C_DATA));
2267 	mutex_unlock(&ice->i2c_mutex);
2268 	/*
2269 	dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2270 	*/
2271 	return val;
2272 }
2273 
2274 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2275 			  unsigned char dev, unsigned char addr, unsigned char data)
2276 {
2277 	mutex_lock(&ice->i2c_mutex);
2278 	wait_i2c_busy(ice);
2279 	/*
2280 	dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2281 	*/
2282 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2283 	outb(data, ICEREG1724(ice, I2C_DATA));
2284 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2285 	wait_i2c_busy(ice);
2286 	mutex_unlock(&ice->i2c_mutex);
2287 }
2288 
2289 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2290 				  const char *modelname)
2291 {
2292 	const int dev = 0xa0;		/* EEPROM device address */
2293 	unsigned int i, size;
2294 	struct snd_ice1712_card_info * const *tbl, *c;
2295 
2296 	if (!modelname || !*modelname) {
2297 		ice->eeprom.subvendor = 0;
2298 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2299 			ice->eeprom.subvendor =
2300 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2301 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2302 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2303 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2304 		if (ice->eeprom.subvendor == 0 ||
2305 		    ice->eeprom.subvendor == (unsigned int)-1) {
2306 			/* invalid subvendor from EEPROM, try the PCI
2307 			 * subststem ID instead
2308 			 */
2309 			u16 vendor, device;
2310 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2311 					     &vendor);
2312 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2313 			ice->eeprom.subvendor =
2314 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2315 			if (ice->eeprom.subvendor == 0 ||
2316 			    ice->eeprom.subvendor == (unsigned int)-1) {
2317 				dev_err(ice->card->dev,
2318 					"No valid ID is found\n");
2319 				return -ENXIO;
2320 			}
2321 		}
2322 	}
2323 	for (tbl = card_tables; *tbl; tbl++) {
2324 		for (c = *tbl; c->name; c++) {
2325 			if (modelname && c->model &&
2326 			    !strcmp(modelname, c->model)) {
2327 				dev_info(ice->card->dev,
2328 					 "Using board model %s\n",
2329 				       c->name);
2330 				ice->eeprom.subvendor = c->subvendor;
2331 			} else if (c->subvendor != ice->eeprom.subvendor)
2332 				continue;
2333 			ice->card_info = c;
2334 			if (!c->eeprom_size || !c->eeprom_data)
2335 				goto found;
2336 			/* if the EEPROM is given by the driver, use it */
2337 			dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2338 			ice->eeprom.version = 2;
2339 			ice->eeprom.size = c->eeprom_size + 6;
2340 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2341 			goto read_skipped;
2342 		}
2343 	}
2344 	dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2345 	       ice->eeprom.subvendor);
2346 #ifdef CONFIG_PM_SLEEP
2347 	/* assume AC97-only card which can suspend without additional code */
2348 	ice->pm_suspend_enabled = 1;
2349 #endif
2350 
2351  found:
2352 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2353 	if (ice->eeprom.size < 6)
2354 		ice->eeprom.size = 32;
2355 	else if (ice->eeprom.size > 32) {
2356 		dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2357 		       ice->eeprom.size);
2358 		return -EIO;
2359 	}
2360 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2361 	if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2362 		dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2363 		       ice->eeprom.version);
2364 	size = ice->eeprom.size - 6;
2365 	for (i = 0; i < size; i++)
2366 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2367 
2368  read_skipped:
2369 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2370 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2371 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2372 
2373 	return 0;
2374 }
2375 
2376 
2377 
2378 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2379 {
2380 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2381 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2382 	msleep(10);
2383 	outb(0, ICEREG1724(ice, CONTROL));
2384 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2385 	msleep(10);
2386 }
2387 
2388 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2389 {
2390 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2391 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2392 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2393 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2394 
2395 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2396 	ice->gpio.direction = ice->eeprom.gpiodir;
2397 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2398 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2399 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2400 
2401 	outb(0, ICEREG1724(ice, POWERDOWN));
2402 
2403 	/* MPU_RX and TX irq masks are cleared later dynamically */
2404 	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2405 
2406 	/* don't handle FIFO overrun/underruns (just yet),
2407 	 * since they cause machine lockups
2408 	 */
2409 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2410 
2411 	return 0;
2412 }
2413 
2414 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2415 {
2416 	int err;
2417 	struct snd_kcontrol *kctl;
2418 
2419 	if (snd_BUG_ON(!ice->pcm))
2420 		return -EIO;
2421 
2422 	if (!ice->own_routing) {
2423 		err = snd_ctl_add(ice->card,
2424 			snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2425 		if (err < 0)
2426 			return err;
2427 	}
2428 
2429 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2430 	if (err < 0)
2431 		return err;
2432 
2433 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2434 	if (err < 0)
2435 		return err;
2436 	kctl->id.device = ice->pcm->device;
2437 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2438 	if (err < 0)
2439 		return err;
2440 	kctl->id.device = ice->pcm->device;
2441 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2442 	if (err < 0)
2443 		return err;
2444 	kctl->id.device = ice->pcm->device;
2445 #if 0 /* use default only */
2446 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2447 	if (err < 0)
2448 		return err;
2449 	kctl->id.device = ice->pcm->device;
2450 	ice->spdif.stream_ctl = kctl;
2451 #endif
2452 	return 0;
2453 }
2454 
2455 
2456 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2457 {
2458 	int err;
2459 
2460 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2461 	if (err < 0)
2462 		return err;
2463 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2464 	if (err < 0)
2465 		return err;
2466 
2467 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2468 	if (err < 0)
2469 		return err;
2470 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2471 	if (err < 0)
2472 		return err;
2473 
2474 	if (!ice->own_routing && ice->num_total_dacs > 0) {
2475 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2476 		tmp.count = ice->num_total_dacs;
2477 		if (ice->vt1720 && tmp.count > 2)
2478 			tmp.count = 2;
2479 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2480 		if (err < 0)
2481 			return err;
2482 	}
2483 
2484 	return snd_ctl_add(ice->card,
2485 			   snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2486 }
2487 
2488 static int snd_vt1724_free(struct snd_ice1712 *ice)
2489 {
2490 	if (!ice->port)
2491 		goto __hw_end;
2492 	/* mask all interrupts */
2493 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2494 	outb(0xff, ICEREG1724(ice, IRQMASK));
2495 	/* --- */
2496 __hw_end:
2497 	if (ice->irq >= 0)
2498 		free_irq(ice->irq, ice);
2499 	pci_release_regions(ice->pci);
2500 	snd_ice1712_akm4xxx_free(ice);
2501 	pci_disable_device(ice->pci);
2502 	kfree(ice->spec);
2503 	kfree(ice);
2504 	return 0;
2505 }
2506 
2507 static int snd_vt1724_dev_free(struct snd_device *device)
2508 {
2509 	struct snd_ice1712 *ice = device->device_data;
2510 	return snd_vt1724_free(ice);
2511 }
2512 
2513 static int snd_vt1724_create(struct snd_card *card,
2514 			     struct pci_dev *pci,
2515 			     const char *modelname,
2516 			     struct snd_ice1712 **r_ice1712)
2517 {
2518 	struct snd_ice1712 *ice;
2519 	int err;
2520 	static struct snd_device_ops ops = {
2521 		.dev_free =	snd_vt1724_dev_free,
2522 	};
2523 
2524 	*r_ice1712 = NULL;
2525 
2526 	/* enable PCI device */
2527 	err = pci_enable_device(pci);
2528 	if (err < 0)
2529 		return err;
2530 
2531 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2532 	if (ice == NULL) {
2533 		pci_disable_device(pci);
2534 		return -ENOMEM;
2535 	}
2536 	ice->vt1724 = 1;
2537 	spin_lock_init(&ice->reg_lock);
2538 	mutex_init(&ice->gpio_mutex);
2539 	mutex_init(&ice->open_mutex);
2540 	mutex_init(&ice->i2c_mutex);
2541 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2542 	ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2543 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2544 	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2545 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2546 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2547 	ice->card = card;
2548 	ice->pci = pci;
2549 	ice->irq = -1;
2550 	pci_set_master(pci);
2551 	snd_vt1724_proc_init(ice);
2552 	synchronize_irq(pci->irq);
2553 
2554 	card->private_data = ice;
2555 
2556 	err = pci_request_regions(pci, "ICE1724");
2557 	if (err < 0) {
2558 		kfree(ice);
2559 		pci_disable_device(pci);
2560 		return err;
2561 	}
2562 	ice->port = pci_resource_start(pci, 0);
2563 	ice->profi_port = pci_resource_start(pci, 1);
2564 
2565 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2566 			IRQF_SHARED, KBUILD_MODNAME, ice)) {
2567 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2568 		snd_vt1724_free(ice);
2569 		return -EIO;
2570 	}
2571 
2572 	ice->irq = pci->irq;
2573 
2574 	snd_vt1724_chip_reset(ice);
2575 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2576 		snd_vt1724_free(ice);
2577 		return -EIO;
2578 	}
2579 	if (snd_vt1724_chip_init(ice) < 0) {
2580 		snd_vt1724_free(ice);
2581 		return -EIO;
2582 	}
2583 
2584 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2585 	if (err < 0) {
2586 		snd_vt1724_free(ice);
2587 		return err;
2588 	}
2589 
2590 	*r_ice1712 = ice;
2591 	return 0;
2592 }
2593 
2594 
2595 /*
2596  *
2597  * Registration
2598  *
2599  */
2600 
2601 static int snd_vt1724_probe(struct pci_dev *pci,
2602 			    const struct pci_device_id *pci_id)
2603 {
2604 	static int dev;
2605 	struct snd_card *card;
2606 	struct snd_ice1712 *ice;
2607 	int pcm_dev = 0, err;
2608 	struct snd_ice1712_card_info * const *tbl, *c;
2609 
2610 	if (dev >= SNDRV_CARDS)
2611 		return -ENODEV;
2612 	if (!enable[dev]) {
2613 		dev++;
2614 		return -ENOENT;
2615 	}
2616 
2617 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2618 			   0, &card);
2619 	if (err < 0)
2620 		return err;
2621 
2622 	strcpy(card->driver, "ICE1724");
2623 	strcpy(card->shortname, "ICEnsemble ICE1724");
2624 
2625 	err = snd_vt1724_create(card, pci, model[dev], &ice);
2626 	if (err < 0) {
2627 		snd_card_free(card);
2628 		return err;
2629 	}
2630 
2631 	/* field init before calling chip_init */
2632 	ice->ext_clock_count = 0;
2633 
2634 	for (tbl = card_tables; *tbl; tbl++) {
2635 		for (c = *tbl; c->name; c++) {
2636 			if ((model[dev] && c->model &&
2637 			     !strcmp(model[dev], c->model)) ||
2638 			    (c->subvendor == ice->eeprom.subvendor)) {
2639 				strcpy(card->shortname, c->name);
2640 				if (c->driver) /* specific driver? */
2641 					strcpy(card->driver, c->driver);
2642 				if (c->chip_init) {
2643 					err = c->chip_init(ice);
2644 					if (err < 0) {
2645 						snd_card_free(card);
2646 						return err;
2647 					}
2648 				}
2649 				goto __found;
2650 			}
2651 		}
2652 	}
2653 	c = &no_matched;
2654 __found:
2655 	/*
2656 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2657 	* ICE1712 has only one for both (mixed up).
2658 	*
2659 	* Confusingly the analog PCM is named "professional" here because it
2660 	* was called so in ice1712 driver, and vt1724 driver is derived from
2661 	* ice1712 driver.
2662 	*/
2663 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2664 	if (!ice->is_spdif_master)
2665 		ice->is_spdif_master = stdclock_is_spdif_master;
2666 	if (!ice->get_rate)
2667 		ice->get_rate = stdclock_get_rate;
2668 	if (!ice->set_rate)
2669 		ice->set_rate = stdclock_set_rate;
2670 	if (!ice->set_mclk)
2671 		ice->set_mclk = stdclock_set_mclk;
2672 	if (!ice->set_spdif_clock)
2673 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2674 	if (!ice->get_spdif_master_type)
2675 		ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2676 	if (!ice->ext_clock_names)
2677 		ice->ext_clock_names = ext_clock_names;
2678 	if (!ice->ext_clock_count)
2679 		ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2680 
2681 	if (!ice->hw_rates)
2682 		set_std_hw_rates(ice);
2683 
2684 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2685 	if (err < 0) {
2686 		snd_card_free(card);
2687 		return err;
2688 	}
2689 
2690 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2691 	if (err < 0) {
2692 		snd_card_free(card);
2693 		return err;
2694 	}
2695 
2696 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2697 	if (err < 0) {
2698 		snd_card_free(card);
2699 		return err;
2700 	}
2701 
2702 	err = snd_vt1724_ac97_mixer(ice);
2703 	if (err < 0) {
2704 		snd_card_free(card);
2705 		return err;
2706 	}
2707 
2708 	err = snd_vt1724_build_controls(ice);
2709 	if (err < 0) {
2710 		snd_card_free(card);
2711 		return err;
2712 	}
2713 
2714 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2715 		err = snd_vt1724_spdif_build_controls(ice);
2716 		if (err < 0) {
2717 			snd_card_free(card);
2718 			return err;
2719 		}
2720 	}
2721 
2722 	if (c->build_controls) {
2723 		err = c->build_controls(ice);
2724 		if (err < 0) {
2725 			snd_card_free(card);
2726 			return err;
2727 		}
2728 	}
2729 
2730 	if (!c->no_mpu401) {
2731 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2732 			struct snd_rawmidi *rmidi;
2733 
2734 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2735 			if (err < 0) {
2736 				snd_card_free(card);
2737 				return err;
2738 			}
2739 			ice->rmidi[0] = rmidi;
2740 			rmidi->private_data = ice;
2741 			strcpy(rmidi->name, "ICE1724 MIDI");
2742 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2743 					    SNDRV_RAWMIDI_INFO_INPUT |
2744 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2745 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2746 					    &vt1724_midi_output_ops);
2747 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2748 					    &vt1724_midi_input_ops);
2749 
2750 			/* set watermarks */
2751 			outb(VT1724_MPU_RX_FIFO | 0x1,
2752 			     ICEREG1724(ice, MPU_FIFO_WM));
2753 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2754 			/* set UART mode */
2755 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2756 		}
2757 	}
2758 
2759 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2760 		card->shortname, ice->port, ice->irq);
2761 
2762 	err = snd_card_register(card);
2763 	if (err < 0) {
2764 		snd_card_free(card);
2765 		return err;
2766 	}
2767 	pci_set_drvdata(pci, card);
2768 	dev++;
2769 	return 0;
2770 }
2771 
2772 static void snd_vt1724_remove(struct pci_dev *pci)
2773 {
2774 	struct snd_card *card = pci_get_drvdata(pci);
2775 	struct snd_ice1712 *ice = card->private_data;
2776 
2777 	if (ice->card_info && ice->card_info->chip_exit)
2778 		ice->card_info->chip_exit(ice);
2779 	snd_card_free(card);
2780 }
2781 
2782 #ifdef CONFIG_PM_SLEEP
2783 static int snd_vt1724_suspend(struct device *dev)
2784 {
2785 	struct snd_card *card = dev_get_drvdata(dev);
2786 	struct snd_ice1712 *ice = card->private_data;
2787 
2788 	if (!ice->pm_suspend_enabled)
2789 		return 0;
2790 
2791 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2792 
2793 	snd_ac97_suspend(ice->ac97);
2794 
2795 	spin_lock_irq(&ice->reg_lock);
2796 	ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2797 	ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2798 	ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2799 	ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2800 	spin_unlock_irq(&ice->reg_lock);
2801 
2802 	if (ice->pm_suspend)
2803 		ice->pm_suspend(ice);
2804 	return 0;
2805 }
2806 
2807 static int snd_vt1724_resume(struct device *dev)
2808 {
2809 	struct snd_card *card = dev_get_drvdata(dev);
2810 	struct snd_ice1712 *ice = card->private_data;
2811 
2812 	if (!ice->pm_suspend_enabled)
2813 		return 0;
2814 
2815 	snd_vt1724_chip_reset(ice);
2816 
2817 	if (snd_vt1724_chip_init(ice) < 0) {
2818 		snd_card_disconnect(card);
2819 		return -EIO;
2820 	}
2821 
2822 	if (ice->pm_resume)
2823 		ice->pm_resume(ice);
2824 
2825 	if (ice->pm_saved_is_spdif_master) {
2826 		/* switching to external clock via SPDIF */
2827 		ice->set_spdif_clock(ice, 0);
2828 	} else {
2829 		/* internal on-card clock */
2830 		int rate;
2831 		if (ice->cur_rate)
2832 			rate = ice->cur_rate;
2833 		else
2834 			rate = ice->pro_rate_default;
2835 		snd_vt1724_set_pro_rate(ice, rate, 1);
2836 	}
2837 
2838 	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2839 
2840 	outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2841 	outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2842 
2843 	snd_ac97_resume(ice->ac97);
2844 
2845 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2846 	return 0;
2847 }
2848 
2849 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2850 #define SND_VT1724_PM_OPS	&snd_vt1724_pm
2851 #else
2852 #define SND_VT1724_PM_OPS	NULL
2853 #endif /* CONFIG_PM_SLEEP */
2854 
2855 static struct pci_driver vt1724_driver = {
2856 	.name = KBUILD_MODNAME,
2857 	.id_table = snd_vt1724_ids,
2858 	.probe = snd_vt1724_probe,
2859 	.remove = snd_vt1724_remove,
2860 	.driver = {
2861 		.pm = SND_VT1724_PM_OPS,
2862 	},
2863 };
2864 
2865 module_pci_driver(vt1724_driver);
2866