xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision ae213c44)
1 /*
2  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
3  *                   VIA VT1720 (Envy24PT)
4  *
5  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
6  *                    2002 James Stafford <jstafford@ampltd.com>
7  *                    2003 Takashi Iwai <tiwai@suse.de>
8  *
9  *   This program is free software; you can redistribute it and/or modify
10  *   it under the terms of the GNU General Public License as published by
11  *   the Free Software Foundation; either version 2 of the License, or
12  *   (at your option) any later version.
13  *
14  *   This program is distributed in the hope that it will be useful,
15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *   GNU General Public License for more details.
18  *
19  *   You should have received a copy of the GNU General Public License
20  *   along with this program; if not, write to the Free Software
21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22  *
23  */
24 
25 #include <linux/delay.h>
26 #include <linux/interrupt.h>
27 #include <linux/init.h>
28 #include <linux/pci.h>
29 #include <linux/slab.h>
30 #include <linux/module.h>
31 #include <linux/mutex.h>
32 #include <sound/core.h>
33 #include <sound/info.h>
34 #include <sound/rawmidi.h>
35 #include <sound/initval.h>
36 
37 #include <sound/asoundef.h>
38 
39 #include "ice1712.h"
40 #include "envy24ht.h"
41 
42 /* lowlevel routines */
43 #include "amp.h"
44 #include "revo.h"
45 #include "aureon.h"
46 #include "vt1720_mobo.h"
47 #include "pontis.h"
48 #include "prodigy192.h"
49 #include "prodigy_hifi.h"
50 #include "juli.h"
51 #include "maya44.h"
52 #include "phase.h"
53 #include "wtm.h"
54 #include "se.h"
55 #include "quartet.h"
56 #include "psc724.h"
57 
58 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
59 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
60 MODULE_LICENSE("GPL");
61 MODULE_SUPPORTED_DEVICE("{"
62 	       REVO_DEVICE_DESC
63 	       AMP_AUDIO2000_DEVICE_DESC
64 	       AUREON_DEVICE_DESC
65 	       VT1720_MOBO_DEVICE_DESC
66 	       PONTIS_DEVICE_DESC
67 	       PRODIGY192_DEVICE_DESC
68 	       PRODIGY_HIFI_DEVICE_DESC
69 	       JULI_DEVICE_DESC
70 	       MAYA44_DEVICE_DESC
71 	       PHASE_DEVICE_DESC
72 	       WTM_DEVICE_DESC
73 	       SE_DEVICE_DESC
74 	       QTET_DEVICE_DESC
75 		"{VIA,VT1720},"
76 		"{VIA,VT1724},"
77 		"{ICEnsemble,Generic ICE1724},"
78 		"{ICEnsemble,Generic Envy24HT}"
79 		"{ICEnsemble,Generic Envy24PT}}");
80 
81 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
82 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
83 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
84 static char *model[SNDRV_CARDS];
85 
86 module_param_array(index, int, NULL, 0444);
87 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
88 module_param_array(id, charp, NULL, 0444);
89 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
90 module_param_array(enable, bool, NULL, 0444);
91 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
92 module_param_array(model, charp, NULL, 0444);
93 MODULE_PARM_DESC(model, "Use the given board model.");
94 
95 
96 /* Both VT1720 and VT1724 have the same PCI IDs */
97 static const struct pci_device_id snd_vt1724_ids[] = {
98 	{ PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 },
99 	{ 0, }
100 };
101 
102 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
103 
104 
105 static int PRO_RATE_LOCKED;
106 static int PRO_RATE_RESET = 1;
107 static unsigned int PRO_RATE_DEFAULT = 44100;
108 
109 static const char * const ext_clock_names[1] = { "IEC958 In" };
110 
111 /*
112  *  Basic I/O
113  */
114 
115 /*
116  *  default rates, default clock routines
117  */
118 
119 /* check whether the clock mode is spdif-in */
120 static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
121 {
122 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
123 }
124 
125 /*
126  * locking rate makes sense only for internal clock mode
127  */
128 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
129 {
130 	return (!ice->is_spdif_master(ice)) && PRO_RATE_LOCKED;
131 }
132 
133 /*
134  * ac97 section
135  */
136 
137 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
138 {
139 	unsigned char old_cmd;
140 	int tm;
141 	for (tm = 0; tm < 0x10000; tm++) {
142 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
143 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
144 			continue;
145 		if (!(old_cmd & VT1724_AC97_READY))
146 			continue;
147 		return old_cmd;
148 	}
149 	dev_dbg(ice->card->dev, "snd_vt1724_ac97_ready: timeout\n");
150 	return old_cmd;
151 }
152 
153 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
154 {
155 	int tm;
156 	for (tm = 0; tm < 0x10000; tm++)
157 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
158 			return 0;
159 	dev_dbg(ice->card->dev, "snd_vt1724_ac97_wait_bit: timeout\n");
160 	return -EIO;
161 }
162 
163 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
164 				  unsigned short reg,
165 				  unsigned short val)
166 {
167 	struct snd_ice1712 *ice = ac97->private_data;
168 	unsigned char old_cmd;
169 
170 	old_cmd = snd_vt1724_ac97_ready(ice);
171 	old_cmd &= ~VT1724_AC97_ID_MASK;
172 	old_cmd |= ac97->num;
173 	outb(reg, ICEMT1724(ice, AC97_INDEX));
174 	outw(val, ICEMT1724(ice, AC97_DATA));
175 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
176 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
177 }
178 
179 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
180 {
181 	struct snd_ice1712 *ice = ac97->private_data;
182 	unsigned char old_cmd;
183 
184 	old_cmd = snd_vt1724_ac97_ready(ice);
185 	old_cmd &= ~VT1724_AC97_ID_MASK;
186 	old_cmd |= ac97->num;
187 	outb(reg, ICEMT1724(ice, AC97_INDEX));
188 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
189 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
190 		return ~0;
191 	return inw(ICEMT1724(ice, AC97_DATA));
192 }
193 
194 
195 /*
196  * GPIO operations
197  */
198 
199 /* set gpio direction 0 = read, 1 = write */
200 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
201 {
202 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
203 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
204 }
205 
206 /* get gpio direction 0 = read, 1 = write */
207 static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
208 {
209 	return inl(ICEREG1724(ice, GPIO_DIRECTION));
210 }
211 
212 /* set the gpio mask (0 = writable) */
213 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
214 {
215 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
216 	if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
217 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
218 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
219 }
220 
221 static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
222 {
223 	unsigned int mask;
224 	if (!ice->vt1720)
225 		mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
226 	else
227 		mask = 0;
228 	mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
229 	return mask;
230 }
231 
232 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
233 {
234 	outw(data, ICEREG1724(ice, GPIO_DATA));
235 	if (!ice->vt1720)
236 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
237 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
238 }
239 
240 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
241 {
242 	unsigned int data;
243 	if (!ice->vt1720)
244 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
245 	else
246 		data = 0;
247 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
248 	return data;
249 }
250 
251 /*
252  * MIDI
253  */
254 
255 static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
256 {
257 	unsigned int count;
258 
259 	for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
260 		inb(ICEREG1724(ice, MPU_DATA));
261 }
262 
263 static inline struct snd_rawmidi_substream *
264 get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
265 {
266 	return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
267 				struct snd_rawmidi_substream, list);
268 }
269 
270 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
271 
272 static void vt1724_midi_write(struct snd_ice1712 *ice)
273 {
274 	struct snd_rawmidi_substream *s;
275 	int count, i;
276 	u8 buffer[32];
277 
278 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
279 	count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
280 	if (count > 0) {
281 		count = snd_rawmidi_transmit(s, buffer, count);
282 		for (i = 0; i < count; ++i)
283 			outb(buffer[i], ICEREG1724(ice, MPU_DATA));
284 	}
285 	/* mask irq when all bytes have been transmitted.
286 	 * enabled again in output_trigger when the new data comes in.
287 	 */
288 	enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
289 			!snd_rawmidi_transmit_empty(s));
290 }
291 
292 static void vt1724_midi_read(struct snd_ice1712 *ice)
293 {
294 	struct snd_rawmidi_substream *s;
295 	int count, i;
296 	u8 buffer[32];
297 
298 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
299 	count = inb(ICEREG1724(ice, MPU_RXFIFO));
300 	if (count > 0) {
301 		count = min(count, 32);
302 		for (i = 0; i < count; ++i)
303 			buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
304 		snd_rawmidi_receive(s, buffer, count);
305 	}
306 }
307 
308 /* call with ice->reg_lock */
309 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
310 {
311 	u8 mask = inb(ICEREG1724(ice, IRQMASK));
312 	if (enable)
313 		mask &= ~flag;
314 	else
315 		mask |= flag;
316 	outb(mask, ICEREG1724(ice, IRQMASK));
317 }
318 
319 static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
320 				   u8 flag, int enable)
321 {
322 	struct snd_ice1712 *ice = substream->rmidi->private_data;
323 
324 	spin_lock_irq(&ice->reg_lock);
325 	enable_midi_irq(ice, flag, enable);
326 	spin_unlock_irq(&ice->reg_lock);
327 }
328 
329 static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
330 {
331 	return 0;
332 }
333 
334 static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
335 {
336 	return 0;
337 }
338 
339 static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
340 {
341 	struct snd_ice1712 *ice = s->rmidi->private_data;
342 	unsigned long flags;
343 
344 	spin_lock_irqsave(&ice->reg_lock, flags);
345 	if (up) {
346 		ice->midi_output = 1;
347 		vt1724_midi_write(ice);
348 	} else {
349 		ice->midi_output = 0;
350 		enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
351 	}
352 	spin_unlock_irqrestore(&ice->reg_lock, flags);
353 }
354 
355 static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
356 {
357 	struct snd_ice1712 *ice = s->rmidi->private_data;
358 	unsigned long timeout;
359 
360 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
361 	/* 32 bytes should be transmitted in less than about 12 ms */
362 	timeout = jiffies + msecs_to_jiffies(15);
363 	do {
364 		if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
365 			break;
366 		schedule_timeout_uninterruptible(1);
367 	} while (time_after(timeout, jiffies));
368 }
369 
370 static const struct snd_rawmidi_ops vt1724_midi_output_ops = {
371 	.open = vt1724_midi_output_open,
372 	.close = vt1724_midi_output_close,
373 	.trigger = vt1724_midi_output_trigger,
374 	.drain = vt1724_midi_output_drain,
375 };
376 
377 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
378 {
379 	vt1724_midi_clear_rx(s->rmidi->private_data);
380 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
381 	return 0;
382 }
383 
384 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
385 {
386 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
387 	return 0;
388 }
389 
390 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
391 {
392 	struct snd_ice1712 *ice = s->rmidi->private_data;
393 	unsigned long flags;
394 
395 	spin_lock_irqsave(&ice->reg_lock, flags);
396 	if (up) {
397 		ice->midi_input = 1;
398 		vt1724_midi_read(ice);
399 	} else {
400 		ice->midi_input = 0;
401 	}
402 	spin_unlock_irqrestore(&ice->reg_lock, flags);
403 }
404 
405 static const struct snd_rawmidi_ops vt1724_midi_input_ops = {
406 	.open = vt1724_midi_input_open,
407 	.close = vt1724_midi_input_close,
408 	.trigger = vt1724_midi_input_trigger,
409 };
410 
411 
412 /*
413  *  Interrupt handler
414  */
415 
416 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
417 {
418 	struct snd_ice1712 *ice = dev_id;
419 	unsigned char status;
420 	unsigned char status_mask =
421 		VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
422 	int handled = 0;
423 	int timeout = 0;
424 
425 	while (1) {
426 		status = inb(ICEREG1724(ice, IRQSTAT));
427 		status &= status_mask;
428 		if (status == 0)
429 			break;
430 		spin_lock(&ice->reg_lock);
431 		if (++timeout > 10) {
432 			status = inb(ICEREG1724(ice, IRQSTAT));
433 			dev_err(ice->card->dev,
434 				"Too long irq loop, status = 0x%x\n", status);
435 			if (status & VT1724_IRQ_MPU_TX) {
436 				dev_err(ice->card->dev, "Disabling MPU_TX\n");
437 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
438 			}
439 			spin_unlock(&ice->reg_lock);
440 			break;
441 		}
442 		handled = 1;
443 		if (status & VT1724_IRQ_MPU_TX) {
444 			if (ice->midi_output)
445 				vt1724_midi_write(ice);
446 			else
447 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
448 			/* Due to mysterical reasons, MPU_TX is always
449 			 * generated (and can't be cleared) when a PCM
450 			 * playback is going.  So let's ignore at the
451 			 * next loop.
452 			 */
453 			status_mask &= ~VT1724_IRQ_MPU_TX;
454 		}
455 		if (status & VT1724_IRQ_MPU_RX) {
456 			if (ice->midi_input)
457 				vt1724_midi_read(ice);
458 			else
459 				vt1724_midi_clear_rx(ice);
460 		}
461 		/* ack MPU irq */
462 		outb(status, ICEREG1724(ice, IRQSTAT));
463 		spin_unlock(&ice->reg_lock);
464 		if (status & VT1724_IRQ_MTPCM) {
465 			/*
466 			 * Multi-track PCM
467 			 * PCM assignment are:
468 			 * Playback DMA0 (M/C) = playback_pro_substream
469 			 * Playback DMA1 = playback_con_substream_ds[0]
470 			 * Playback DMA2 = playback_con_substream_ds[1]
471 			 * Playback DMA3 = playback_con_substream_ds[2]
472 			 * Playback DMA4 (SPDIF) = playback_con_substream
473 			 * Record DMA0 = capture_pro_substream
474 			 * Record DMA1 = capture_con_substream
475 			 */
476 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
477 			if (mtstat & VT1724_MULTI_PDMA0) {
478 				if (ice->playback_pro_substream)
479 					snd_pcm_period_elapsed(ice->playback_pro_substream);
480 			}
481 			if (mtstat & VT1724_MULTI_RDMA0) {
482 				if (ice->capture_pro_substream)
483 					snd_pcm_period_elapsed(ice->capture_pro_substream);
484 			}
485 			if (mtstat & VT1724_MULTI_PDMA1) {
486 				if (ice->playback_con_substream_ds[0])
487 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
488 			}
489 			if (mtstat & VT1724_MULTI_PDMA2) {
490 				if (ice->playback_con_substream_ds[1])
491 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
492 			}
493 			if (mtstat & VT1724_MULTI_PDMA3) {
494 				if (ice->playback_con_substream_ds[2])
495 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
496 			}
497 			if (mtstat & VT1724_MULTI_PDMA4) {
498 				if (ice->playback_con_substream)
499 					snd_pcm_period_elapsed(ice->playback_con_substream);
500 			}
501 			if (mtstat & VT1724_MULTI_RDMA1) {
502 				if (ice->capture_con_substream)
503 					snd_pcm_period_elapsed(ice->capture_con_substream);
504 			}
505 			/* ack anyway to avoid freeze */
506 			outb(mtstat, ICEMT1724(ice, IRQ));
507 			/* ought to really handle this properly */
508 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
509 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
510 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
511 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
512 				/* If I don't do this, I get machine lockup due to continual interrupts */
513 			}
514 
515 		}
516 	}
517 	return IRQ_RETVAL(handled);
518 }
519 
520 /*
521  *  PCM code - professional part (multitrack)
522  */
523 
524 static const unsigned int rates[] = {
525 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
526 	32000, 44100, 48000, 64000, 88200, 96000,
527 	176400, 192000,
528 };
529 
530 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
531 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
532 	.list = rates,
533 	.mask = 0,
534 };
535 
536 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
537 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
538 	.list = rates,
539 	.mask = 0,
540 };
541 
542 static const struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
543 	.count = ARRAY_SIZE(rates),
544 	.list = rates,
545 	.mask = 0,
546 };
547 
548 struct vt1724_pcm_reg {
549 	unsigned int addr;	/* ADDR register offset */
550 	unsigned int size;	/* SIZE register offset */
551 	unsigned int count;	/* COUNT register offset */
552 	unsigned int start;	/* start & pause bit */
553 };
554 
555 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
556 {
557 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
558 	unsigned char what;
559 	unsigned char old;
560 	struct snd_pcm_substream *s;
561 
562 	what = 0;
563 	snd_pcm_group_for_each_entry(s, substream) {
564 		if (snd_pcm_substream_chip(s) == ice) {
565 			const struct vt1724_pcm_reg *reg;
566 			reg = s->runtime->private_data;
567 			what |= reg->start;
568 			snd_pcm_trigger_done(s, substream);
569 		}
570 	}
571 
572 	switch (cmd) {
573 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
574 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
575 		spin_lock(&ice->reg_lock);
576 		old = inb(ICEMT1724(ice, DMA_PAUSE));
577 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
578 			old |= what;
579 		else
580 			old &= ~what;
581 		outb(old, ICEMT1724(ice, DMA_PAUSE));
582 		spin_unlock(&ice->reg_lock);
583 		break;
584 
585 	case SNDRV_PCM_TRIGGER_START:
586 	case SNDRV_PCM_TRIGGER_STOP:
587 	case SNDRV_PCM_TRIGGER_SUSPEND:
588 		spin_lock(&ice->reg_lock);
589 		old = inb(ICEMT1724(ice, DMA_CONTROL));
590 		if (cmd == SNDRV_PCM_TRIGGER_START)
591 			old |= what;
592 		else
593 			old &= ~what;
594 		outb(old, ICEMT1724(ice, DMA_CONTROL));
595 		spin_unlock(&ice->reg_lock);
596 		break;
597 
598 	case SNDRV_PCM_TRIGGER_RESUME:
599 		/* apps will have to restart stream */
600 		break;
601 
602 	default:
603 		return -EINVAL;
604 	}
605 	return 0;
606 }
607 
608 /*
609  */
610 
611 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
612 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
613 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
614 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
615 
616 static const unsigned int stdclock_rate_list[16] = {
617 	48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
618 	22050, 11025, 88200, 176400, 0, 192000, 64000
619 };
620 
621 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
622 {
623 	return stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
624 }
625 
626 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
627 {
628 	int i;
629 	for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
630 		if (stdclock_rate_list[i] == rate) {
631 			outb(i, ICEMT1724(ice, RATE));
632 			return;
633 		}
634 	}
635 }
636 
637 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
638 				       unsigned int rate)
639 {
640 	unsigned char val, old;
641 	/* check MT02 */
642 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
643 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
644 		if (rate > 96000)
645 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
646 		else
647 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
648 		if (val != old) {
649 			outb(val, ICEMT1724(ice, I2S_FORMAT));
650 			/* master clock changed */
651 			return 1;
652 		}
653 	}
654 	/* no change in master clock */
655 	return 0;
656 }
657 
658 static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
659 				    int force)
660 {
661 	unsigned long flags;
662 	unsigned char mclk_change;
663 	unsigned int i, old_rate;
664 
665 	if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
666 		return -EINVAL;
667 
668 	spin_lock_irqsave(&ice->reg_lock, flags);
669 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
670 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
671 		/* running? we cannot change the rate now... */
672 		spin_unlock_irqrestore(&ice->reg_lock, flags);
673 		return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
674 	}
675 	if (!force && is_pro_rate_locked(ice)) {
676 		/* comparing required and current rate - makes sense for
677 		 * internal clock only */
678 		spin_unlock_irqrestore(&ice->reg_lock, flags);
679 		return (rate == ice->cur_rate) ? 0 : -EBUSY;
680 	}
681 
682 	if (force || !ice->is_spdif_master(ice)) {
683 		/* force means the rate was switched by ucontrol, otherwise
684 		 * setting clock rate for internal clock mode */
685 		old_rate = ice->get_rate(ice);
686 		if (force || (old_rate != rate))
687 			ice->set_rate(ice, rate);
688 		else if (rate == ice->cur_rate) {
689 			spin_unlock_irqrestore(&ice->reg_lock, flags);
690 			return 0;
691 		}
692 	}
693 
694 	ice->cur_rate = rate;
695 
696 	/* setting master clock */
697 	mclk_change = ice->set_mclk(ice, rate);
698 
699 	spin_unlock_irqrestore(&ice->reg_lock, flags);
700 
701 	if (mclk_change && ice->gpio.i2s_mclk_changed)
702 		ice->gpio.i2s_mclk_changed(ice);
703 	if (ice->gpio.set_pro_rate)
704 		ice->gpio.set_pro_rate(ice, rate);
705 
706 	/* set up codecs */
707 	for (i = 0; i < ice->akm_codecs; i++) {
708 		if (ice->akm[i].ops.set_rate_val)
709 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
710 	}
711 	if (ice->spdif.ops.setup_rate)
712 		ice->spdif.ops.setup_rate(ice, rate);
713 
714 	return 0;
715 }
716 
717 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
718 				    struct snd_pcm_hw_params *hw_params)
719 {
720 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
721 	int i, chs, err;
722 
723 	chs = params_channels(hw_params);
724 	mutex_lock(&ice->open_mutex);
725 	/* mark surround channels */
726 	if (substream == ice->playback_pro_substream) {
727 		/* PDMA0 can be multi-channel up to 8 */
728 		chs = chs / 2 - 1;
729 		for (i = 0; i < chs; i++) {
730 			if (ice->pcm_reserved[i] &&
731 			    ice->pcm_reserved[i] != substream) {
732 				mutex_unlock(&ice->open_mutex);
733 				return -EBUSY;
734 			}
735 			ice->pcm_reserved[i] = substream;
736 		}
737 		for (; i < 3; i++) {
738 			if (ice->pcm_reserved[i] == substream)
739 				ice->pcm_reserved[i] = NULL;
740 		}
741 	} else {
742 		for (i = 0; i < 3; i++) {
743 			/* check individual playback stream */
744 			if (ice->playback_con_substream_ds[i] == substream) {
745 				if (ice->pcm_reserved[i] &&
746 				    ice->pcm_reserved[i] != substream) {
747 					mutex_unlock(&ice->open_mutex);
748 					return -EBUSY;
749 				}
750 				ice->pcm_reserved[i] = substream;
751 				break;
752 			}
753 		}
754 	}
755 	mutex_unlock(&ice->open_mutex);
756 
757 	err = snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
758 	if (err < 0)
759 		return err;
760 
761 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
762 }
763 
764 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
765 {
766 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
767 	int i;
768 
769 	mutex_lock(&ice->open_mutex);
770 	/* unmark surround channels */
771 	for (i = 0; i < 3; i++)
772 		if (ice->pcm_reserved[i] == substream)
773 			ice->pcm_reserved[i] = NULL;
774 	mutex_unlock(&ice->open_mutex);
775 	return snd_pcm_lib_free_pages(substream);
776 }
777 
778 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
779 {
780 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
781 	unsigned char val;
782 	unsigned int size;
783 
784 	spin_lock_irq(&ice->reg_lock);
785 	val = (8 - substream->runtime->channels) >> 1;
786 	outb(val, ICEMT1724(ice, BURST));
787 
788 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
789 
790 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
791 	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
792 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
793 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
794 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
795 	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
796 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
797 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
798 
799 	spin_unlock_irq(&ice->reg_lock);
800 
801 	/*
802 	dev_dbg(ice->card->dev, "pro prepare: ch = %d, addr = 0x%x, "
803 	       "buffer = 0x%x, period = 0x%x\n",
804 	       substream->runtime->channels,
805 	       (unsigned int)substream->runtime->dma_addr,
806 	       snd_pcm_lib_buffer_bytes(substream),
807 	       snd_pcm_lib_period_bytes(substream));
808 	*/
809 	return 0;
810 }
811 
812 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
813 {
814 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
815 	size_t ptr;
816 
817 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
818 		return 0;
819 #if 0 /* read PLAYBACK_ADDR */
820 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
821 	if (ptr < substream->runtime->dma_addr) {
822 		dev_dbg(ice->card->dev, "invalid negative ptr\n");
823 		return 0;
824 	}
825 	ptr -= substream->runtime->dma_addr;
826 	ptr = bytes_to_frames(substream->runtime, ptr);
827 	if (ptr >= substream->runtime->buffer_size) {
828 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
829 			   (int)ptr, (int)substream->runtime->period_size);
830 		return 0;
831 	}
832 #else /* read PLAYBACK_SIZE */
833 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
834 	ptr = (ptr + 1) << 2;
835 	ptr = bytes_to_frames(substream->runtime, ptr);
836 	if (!ptr)
837 		;
838 	else if (ptr <= substream->runtime->buffer_size)
839 		ptr = substream->runtime->buffer_size - ptr;
840 	else {
841 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
842 			   (int)ptr, (int)substream->runtime->buffer_size);
843 		ptr = 0;
844 	}
845 #endif
846 	return ptr;
847 }
848 
849 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
850 {
851 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
852 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
853 
854 	spin_lock_irq(&ice->reg_lock);
855 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
856 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
857 	     ice->profi_port + reg->size);
858 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
859 	     ice->profi_port + reg->count);
860 	spin_unlock_irq(&ice->reg_lock);
861 	return 0;
862 }
863 
864 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
865 {
866 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
867 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
868 	size_t ptr;
869 
870 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
871 		return 0;
872 #if 0 /* use ADDR register */
873 	ptr = inl(ice->profi_port + reg->addr);
874 	ptr -= substream->runtime->dma_addr;
875 	return bytes_to_frames(substream->runtime, ptr);
876 #else /* use SIZE register */
877 	ptr = inw(ice->profi_port + reg->size);
878 	ptr = (ptr + 1) << 2;
879 	ptr = bytes_to_frames(substream->runtime, ptr);
880 	if (!ptr)
881 		;
882 	else if (ptr <= substream->runtime->buffer_size)
883 		ptr = substream->runtime->buffer_size - ptr;
884 	else {
885 		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
886 			   (int)ptr, (int)substream->runtime->buffer_size);
887 		ptr = 0;
888 	}
889 	return ptr;
890 #endif
891 }
892 
893 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
894 	.addr = VT1724_MT_PLAYBACK_ADDR,
895 	.size = VT1724_MT_PLAYBACK_SIZE,
896 	.count = VT1724_MT_PLAYBACK_COUNT,
897 	.start = VT1724_PDMA0_START,
898 };
899 
900 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
901 	.addr = VT1724_MT_PDMA4_ADDR,
902 	.size = VT1724_MT_PDMA4_SIZE,
903 	.count = VT1724_MT_PDMA4_COUNT,
904 	.start = VT1724_PDMA4_START,
905 };
906 
907 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
908 	.addr = VT1724_MT_CAPTURE_ADDR,
909 	.size = VT1724_MT_CAPTURE_SIZE,
910 	.count = VT1724_MT_CAPTURE_COUNT,
911 	.start = VT1724_RDMA0_START,
912 };
913 
914 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
915 	.addr = VT1724_MT_RDMA1_ADDR,
916 	.size = VT1724_MT_RDMA1_SIZE,
917 	.count = VT1724_MT_RDMA1_COUNT,
918 	.start = VT1724_RDMA1_START,
919 };
920 
921 #define vt1724_playback_pro_reg vt1724_pdma0_reg
922 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
923 #define vt1724_capture_pro_reg vt1724_rdma0_reg
924 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
925 
926 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
927 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
928 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
929 				 SNDRV_PCM_INFO_MMAP_VALID |
930 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
931 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
932 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
933 	.rate_min =		8000,
934 	.rate_max =		192000,
935 	.channels_min =		2,
936 	.channels_max =		8,
937 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
938 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
939 	.period_bytes_max =	(1UL << 21),
940 	.periods_min =		2,
941 	.periods_max =		1024,
942 };
943 
944 static const struct snd_pcm_hardware snd_vt1724_spdif = {
945 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
946 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
947 				 SNDRV_PCM_INFO_MMAP_VALID |
948 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
949 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
950 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
951 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
952 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
953 				 SNDRV_PCM_RATE_192000),
954 	.rate_min =		32000,
955 	.rate_max =		192000,
956 	.channels_min =		2,
957 	.channels_max =		2,
958 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
959 	.period_bytes_min =	2 * 4 * 2,
960 	.period_bytes_max =	(1UL << 18),
961 	.periods_min =		2,
962 	.periods_max =		1024,
963 };
964 
965 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
966 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
967 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
968 				 SNDRV_PCM_INFO_MMAP_VALID |
969 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
970 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
971 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
972 	.rate_min =		8000,
973 	.rate_max =		192000,
974 	.channels_min =		2,
975 	.channels_max =		2,
976 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
977 	.period_bytes_min =	2 * 4 * 2,
978 	.period_bytes_max =	(1UL << 18),
979 	.periods_min =		2,
980 	.periods_max =		1024,
981 };
982 
983 /*
984  * set rate constraints
985  */
986 static void set_std_hw_rates(struct snd_ice1712 *ice)
987 {
988 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
989 		/* I2S */
990 		/* VT1720 doesn't support more than 96kHz */
991 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
992 			ice->hw_rates = &hw_constraints_rates_192;
993 		else
994 			ice->hw_rates = &hw_constraints_rates_96;
995 	} else {
996 		/* ACLINK */
997 		ice->hw_rates = &hw_constraints_rates_48;
998 	}
999 }
1000 
1001 static int set_rate_constraints(struct snd_ice1712 *ice,
1002 				struct snd_pcm_substream *substream)
1003 {
1004 	struct snd_pcm_runtime *runtime = substream->runtime;
1005 
1006 	runtime->hw.rate_min = ice->hw_rates->list[0];
1007 	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
1008 	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
1009 	return snd_pcm_hw_constraint_list(runtime, 0,
1010 					  SNDRV_PCM_HW_PARAM_RATE,
1011 					  ice->hw_rates);
1012 }
1013 
1014 /* if the card has the internal rate locked (is_pro_locked), limit runtime
1015    hw rates to the current internal rate only.
1016 */
1017 static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
1018 {
1019 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1020 	struct snd_pcm_runtime *runtime = substream->runtime;
1021 	unsigned int rate;
1022 	if (is_pro_rate_locked(ice)) {
1023 		rate = ice->get_rate(ice);
1024 		if (rate >= runtime->hw.rate_min
1025 		    && rate <= runtime->hw.rate_max) {
1026 			runtime->hw.rate_min = rate;
1027 			runtime->hw.rate_max = rate;
1028 		}
1029 	}
1030 }
1031 
1032 
1033 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1034  * actually used
1035  */
1036 #define VT1724_BUFFER_ALIGN	0x20
1037 
1038 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1039 {
1040 	struct snd_pcm_runtime *runtime = substream->runtime;
1041 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1042 	int chs, num_indeps;
1043 
1044 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
1045 	ice->playback_pro_substream = substream;
1046 	runtime->hw = snd_vt1724_playback_pro;
1047 	snd_pcm_set_sync(substream);
1048 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1049 	set_rate_constraints(ice, substream);
1050 	mutex_lock(&ice->open_mutex);
1051 	/* calculate the currently available channels */
1052 	num_indeps = ice->num_total_dacs / 2 - 1;
1053 	for (chs = 0; chs < num_indeps; chs++) {
1054 		if (ice->pcm_reserved[chs])
1055 			break;
1056 	}
1057 	chs = (chs + 1) * 2;
1058 	runtime->hw.channels_max = chs;
1059 	if (chs > 2) /* channels must be even */
1060 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1061 	mutex_unlock(&ice->open_mutex);
1062 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1063 				   VT1724_BUFFER_ALIGN);
1064 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1065 				   VT1724_BUFFER_ALIGN);
1066 	constrain_rate_if_locked(substream);
1067 	if (ice->pro_open)
1068 		ice->pro_open(ice, substream);
1069 	return 0;
1070 }
1071 
1072 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1073 {
1074 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1075 	struct snd_pcm_runtime *runtime = substream->runtime;
1076 
1077 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
1078 	ice->capture_pro_substream = substream;
1079 	runtime->hw = snd_vt1724_2ch_stereo;
1080 	snd_pcm_set_sync(substream);
1081 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1082 	set_rate_constraints(ice, substream);
1083 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1084 				   VT1724_BUFFER_ALIGN);
1085 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1086 				   VT1724_BUFFER_ALIGN);
1087 	constrain_rate_if_locked(substream);
1088 	if (ice->pro_open)
1089 		ice->pro_open(ice, substream);
1090 	return 0;
1091 }
1092 
1093 static int snd_vt1724_playback_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->playback_pro_substream = NULL;
1100 
1101 	return 0;
1102 }
1103 
1104 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1105 {
1106 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1107 
1108 	if (PRO_RATE_RESET)
1109 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1110 	ice->capture_pro_substream = NULL;
1111 	return 0;
1112 }
1113 
1114 static const struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1115 	.open =		snd_vt1724_playback_pro_open,
1116 	.close =	snd_vt1724_playback_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_playback_pro_prepare,
1121 	.trigger =	snd_vt1724_pcm_trigger,
1122 	.pointer =	snd_vt1724_playback_pro_pointer,
1123 };
1124 
1125 static const struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1126 	.open =		snd_vt1724_capture_pro_open,
1127 	.close =	snd_vt1724_capture_pro_close,
1128 	.ioctl =	snd_pcm_lib_ioctl,
1129 	.hw_params =	snd_vt1724_pcm_hw_params,
1130 	.hw_free =	snd_vt1724_pcm_hw_free,
1131 	.prepare =	snd_vt1724_pcm_prepare,
1132 	.trigger =	snd_vt1724_pcm_trigger,
1133 	.pointer =	snd_vt1724_pcm_pointer,
1134 };
1135 
1136 static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1137 {
1138 	struct snd_pcm *pcm;
1139 	int capt, err;
1140 
1141 	if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1142 	    VT1724_CFG_ADC_NONE)
1143 		capt = 0;
1144 	else
1145 		capt = 1;
1146 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1147 	if (err < 0)
1148 		return err;
1149 
1150 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1151 	if (capt)
1152 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1153 			&snd_vt1724_capture_pro_ops);
1154 
1155 	pcm->private_data = ice;
1156 	pcm->info_flags = 0;
1157 	strcpy(pcm->name, "ICE1724");
1158 
1159 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1160 					      snd_dma_pci_data(ice->pci),
1161 					      256*1024, 256*1024);
1162 
1163 	ice->pcm_pro = pcm;
1164 
1165 	return 0;
1166 }
1167 
1168 
1169 /*
1170  * SPDIF PCM
1171  */
1172 
1173 /* update spdif control bits; call with reg_lock */
1174 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1175 {
1176 	unsigned char cbit, disabled;
1177 
1178 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1179 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1180 	if (cbit != disabled)
1181 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1182 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1183 	if (cbit != disabled)
1184 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1185 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1186 }
1187 
1188 /* update SPDIF control bits according to the given rate */
1189 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1190 {
1191 	unsigned int val, nval;
1192 	unsigned long flags;
1193 
1194 	spin_lock_irqsave(&ice->reg_lock, flags);
1195 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1196 	nval &= ~(7 << 12);
1197 	switch (rate) {
1198 	case 44100: break;
1199 	case 48000: nval |= 2 << 12; break;
1200 	case 32000: nval |= 3 << 12; break;
1201 	case 88200: nval |= 4 << 12; break;
1202 	case 96000: nval |= 5 << 12; break;
1203 	case 192000: nval |= 6 << 12; break;
1204 	case 176400: nval |= 7 << 12; break;
1205 	}
1206 	if (val != nval)
1207 		update_spdif_bits(ice, nval);
1208 	spin_unlock_irqrestore(&ice->reg_lock, flags);
1209 }
1210 
1211 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1212 {
1213 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1214 	if (!ice->force_pdma4)
1215 		update_spdif_rate(ice, substream->runtime->rate);
1216 	return snd_vt1724_pcm_prepare(substream);
1217 }
1218 
1219 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1220 {
1221 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1222 	struct snd_pcm_runtime *runtime = substream->runtime;
1223 
1224 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1225 	ice->playback_con_substream = substream;
1226 	if (ice->force_pdma4) {
1227 		runtime->hw = snd_vt1724_2ch_stereo;
1228 		set_rate_constraints(ice, substream);
1229 	} else
1230 		runtime->hw = snd_vt1724_spdif;
1231 	snd_pcm_set_sync(substream);
1232 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1233 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1234 				   VT1724_BUFFER_ALIGN);
1235 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1236 				   VT1724_BUFFER_ALIGN);
1237 	constrain_rate_if_locked(substream);
1238 	if (ice->spdif.ops.open)
1239 		ice->spdif.ops.open(ice, substream);
1240 	return 0;
1241 }
1242 
1243 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1244 {
1245 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1246 
1247 	if (PRO_RATE_RESET)
1248 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1249 	ice->playback_con_substream = NULL;
1250 	if (ice->spdif.ops.close)
1251 		ice->spdif.ops.close(ice, substream);
1252 
1253 	return 0;
1254 }
1255 
1256 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1257 {
1258 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1259 	struct snd_pcm_runtime *runtime = substream->runtime;
1260 
1261 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1262 	ice->capture_con_substream = substream;
1263 	if (ice->force_rdma1) {
1264 		runtime->hw = snd_vt1724_2ch_stereo;
1265 		set_rate_constraints(ice, substream);
1266 	} else
1267 		runtime->hw = snd_vt1724_spdif;
1268 	snd_pcm_set_sync(substream);
1269 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1270 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1271 				   VT1724_BUFFER_ALIGN);
1272 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1273 				   VT1724_BUFFER_ALIGN);
1274 	constrain_rate_if_locked(substream);
1275 	if (ice->spdif.ops.open)
1276 		ice->spdif.ops.open(ice, substream);
1277 	return 0;
1278 }
1279 
1280 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1281 {
1282 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1283 
1284 	if (PRO_RATE_RESET)
1285 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1286 	ice->capture_con_substream = NULL;
1287 	if (ice->spdif.ops.close)
1288 		ice->spdif.ops.close(ice, substream);
1289 
1290 	return 0;
1291 }
1292 
1293 static const struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1294 	.open =		snd_vt1724_playback_spdif_open,
1295 	.close =	snd_vt1724_playback_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_playback_spdif_prepare,
1300 	.trigger =	snd_vt1724_pcm_trigger,
1301 	.pointer =	snd_vt1724_pcm_pointer,
1302 };
1303 
1304 static const struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1305 	.open =		snd_vt1724_capture_spdif_open,
1306 	.close =	snd_vt1724_capture_spdif_close,
1307 	.ioctl =	snd_pcm_lib_ioctl,
1308 	.hw_params =	snd_vt1724_pcm_hw_params,
1309 	.hw_free =	snd_vt1724_pcm_hw_free,
1310 	.prepare =	snd_vt1724_pcm_prepare,
1311 	.trigger =	snd_vt1724_pcm_trigger,
1312 	.pointer =	snd_vt1724_pcm_pointer,
1313 };
1314 
1315 
1316 static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1317 {
1318 	char *name;
1319 	struct snd_pcm *pcm;
1320 	int play, capt;
1321 	int err;
1322 
1323 	if (ice->force_pdma4 ||
1324 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1325 		play = 1;
1326 		ice->has_spdif = 1;
1327 	} else
1328 		play = 0;
1329 	if (ice->force_rdma1 ||
1330 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1331 		capt = 1;
1332 		ice->has_spdif = 1;
1333 	} else
1334 		capt = 0;
1335 	if (!play && !capt)
1336 		return 0; /* no spdif device */
1337 
1338 	if (ice->force_pdma4 || ice->force_rdma1)
1339 		name = "ICE1724 Secondary";
1340 	else
1341 		name = "ICE1724 IEC958";
1342 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1343 	if (err < 0)
1344 		return err;
1345 
1346 	if (play)
1347 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1348 				&snd_vt1724_playback_spdif_ops);
1349 	if (capt)
1350 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1351 				&snd_vt1724_capture_spdif_ops);
1352 
1353 	pcm->private_data = ice;
1354 	pcm->info_flags = 0;
1355 	strcpy(pcm->name, name);
1356 
1357 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1358 					      snd_dma_pci_data(ice->pci),
1359 					      256*1024, 256*1024);
1360 
1361 	ice->pcm = pcm;
1362 
1363 	return 0;
1364 }
1365 
1366 
1367 /*
1368  * independent surround PCMs
1369  */
1370 
1371 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1372 	{
1373 		.addr = VT1724_MT_PDMA1_ADDR,
1374 		.size = VT1724_MT_PDMA1_SIZE,
1375 		.count = VT1724_MT_PDMA1_COUNT,
1376 		.start = VT1724_PDMA1_START,
1377 	},
1378 	{
1379 		.addr = VT1724_MT_PDMA2_ADDR,
1380 		.size = VT1724_MT_PDMA2_SIZE,
1381 		.count = VT1724_MT_PDMA2_COUNT,
1382 		.start = VT1724_PDMA2_START,
1383 	},
1384 	{
1385 		.addr = VT1724_MT_PDMA3_ADDR,
1386 		.size = VT1724_MT_PDMA3_SIZE,
1387 		.count = VT1724_MT_PDMA3_COUNT,
1388 		.start = VT1724_PDMA3_START,
1389 	},
1390 };
1391 
1392 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1393 {
1394 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1395 	unsigned char val;
1396 
1397 	spin_lock_irq(&ice->reg_lock);
1398 	val = 3 - substream->number;
1399 	if (inb(ICEMT1724(ice, BURST)) < val)
1400 		outb(val, ICEMT1724(ice, BURST));
1401 	spin_unlock_irq(&ice->reg_lock);
1402 	return snd_vt1724_pcm_prepare(substream);
1403 }
1404 
1405 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1406 {
1407 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1408 	struct snd_pcm_runtime *runtime = substream->runtime;
1409 
1410 	mutex_lock(&ice->open_mutex);
1411 	/* already used by PDMA0? */
1412 	if (ice->pcm_reserved[substream->number]) {
1413 		mutex_unlock(&ice->open_mutex);
1414 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1415 	}
1416 	mutex_unlock(&ice->open_mutex);
1417 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1418 	ice->playback_con_substream_ds[substream->number] = substream;
1419 	runtime->hw = snd_vt1724_2ch_stereo;
1420 	snd_pcm_set_sync(substream);
1421 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1422 	set_rate_constraints(ice, substream);
1423 	return 0;
1424 }
1425 
1426 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1427 {
1428 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1429 
1430 	if (PRO_RATE_RESET)
1431 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1432 	ice->playback_con_substream_ds[substream->number] = NULL;
1433 	ice->pcm_reserved[substream->number] = NULL;
1434 
1435 	return 0;
1436 }
1437 
1438 static const struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1439 	.open =		snd_vt1724_playback_indep_open,
1440 	.close =	snd_vt1724_playback_indep_close,
1441 	.ioctl =	snd_pcm_lib_ioctl,
1442 	.hw_params =	snd_vt1724_pcm_hw_params,
1443 	.hw_free =	snd_vt1724_pcm_hw_free,
1444 	.prepare =	snd_vt1724_playback_indep_prepare,
1445 	.trigger =	snd_vt1724_pcm_trigger,
1446 	.pointer =	snd_vt1724_pcm_pointer,
1447 };
1448 
1449 
1450 static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1451 {
1452 	struct snd_pcm *pcm;
1453 	int play;
1454 	int err;
1455 
1456 	play = ice->num_total_dacs / 2 - 1;
1457 	if (play <= 0)
1458 		return 0;
1459 
1460 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1461 	if (err < 0)
1462 		return err;
1463 
1464 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1465 			&snd_vt1724_playback_indep_ops);
1466 
1467 	pcm->private_data = ice;
1468 	pcm->info_flags = 0;
1469 	strcpy(pcm->name, "ICE1724 Surround PCM");
1470 
1471 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1472 					      snd_dma_pci_data(ice->pci),
1473 					      256*1024, 256*1024);
1474 
1475 	ice->pcm_ds = pcm;
1476 
1477 	return 0;
1478 }
1479 
1480 
1481 /*
1482  *  Mixer section
1483  */
1484 
1485 static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1486 {
1487 	int err;
1488 
1489 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1490 		struct snd_ac97_bus *pbus;
1491 		struct snd_ac97_template ac97;
1492 		static struct snd_ac97_bus_ops ops = {
1493 			.write = snd_vt1724_ac97_write,
1494 			.read = snd_vt1724_ac97_read,
1495 		};
1496 
1497 		/* cold reset */
1498 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1499 		mdelay(5); /* FIXME */
1500 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1501 
1502 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1503 		if (err < 0)
1504 			return err;
1505 		memset(&ac97, 0, sizeof(ac97));
1506 		ac97.private_data = ice;
1507 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1508 		if (err < 0)
1509 			dev_warn(ice->card->dev,
1510 				 "cannot initialize pro ac97, skipped\n");
1511 		else
1512 			return 0;
1513 	}
1514 	/* I2S mixer only */
1515 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1516 	return 0;
1517 }
1518 
1519 /*
1520  *
1521  */
1522 
1523 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1524 {
1525 	return (unsigned int)ice->eeprom.data[idx] | \
1526 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1527 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1528 }
1529 
1530 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1531 				 struct snd_info_buffer *buffer)
1532 {
1533 	struct snd_ice1712 *ice = entry->private_data;
1534 	unsigned int idx;
1535 
1536 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1537 	snd_iprintf(buffer, "EEPROM:\n");
1538 
1539 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1540 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1541 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1542 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1543 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1544 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1545 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1546 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1547 		    ice->eeprom.data[ICE_EEP2_I2S]);
1548 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1549 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1550 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1551 		    ice->eeprom.gpiodir);
1552 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1553 		    ice->eeprom.gpiomask);
1554 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1555 		    ice->eeprom.gpiostate);
1556 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1557 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1558 			    idx, ice->eeprom.data[idx]);
1559 
1560 	snd_iprintf(buffer, "\nRegisters:\n");
1561 
1562 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1563 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1564 	for (idx = 0x0; idx < 0x20 ; idx++)
1565 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1566 			    idx, inb(ice->port+idx));
1567 	for (idx = 0x0; idx < 0x30 ; idx++)
1568 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1569 			    idx, inb(ice->profi_port+idx));
1570 }
1571 
1572 static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1573 {
1574 	snd_card_ro_proc_new(ice->card, "ice1724", ice, snd_vt1724_proc_read);
1575 }
1576 
1577 /*
1578  *
1579  */
1580 
1581 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1582 				  struct snd_ctl_elem_info *uinfo)
1583 {
1584 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1585 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1586 	return 0;
1587 }
1588 
1589 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1590 				 struct snd_ctl_elem_value *ucontrol)
1591 {
1592 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1593 
1594 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1595 	return 0;
1596 }
1597 
1598 static const struct snd_kcontrol_new snd_vt1724_eeprom = {
1599 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1600 	.name = "ICE1724 EEPROM",
1601 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1602 	.info = snd_vt1724_eeprom_info,
1603 	.get = snd_vt1724_eeprom_get
1604 };
1605 
1606 /*
1607  */
1608 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1609 				 struct snd_ctl_elem_info *uinfo)
1610 {
1611 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1612 	uinfo->count = 1;
1613 	return 0;
1614 }
1615 
1616 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1617 {
1618 	unsigned int val, rbits;
1619 
1620 	val = diga->status[0] & 0x03; /* professional, non-audio */
1621 	if (val & 0x01) {
1622 		/* professional */
1623 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1624 		    IEC958_AES0_PRO_EMPHASIS_5015)
1625 			val |= 1U << 3;
1626 		rbits = (diga->status[4] >> 3) & 0x0f;
1627 		if (rbits) {
1628 			switch (rbits) {
1629 			case 2: val |= 5 << 12; break; /* 96k */
1630 			case 3: val |= 6 << 12; break; /* 192k */
1631 			case 10: val |= 4 << 12; break; /* 88.2k */
1632 			case 11: val |= 7 << 12; break; /* 176.4k */
1633 			}
1634 		} else {
1635 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1636 			case IEC958_AES0_PRO_FS_44100:
1637 				break;
1638 			case IEC958_AES0_PRO_FS_32000:
1639 				val |= 3U << 12;
1640 				break;
1641 			default:
1642 				val |= 2U << 12;
1643 				break;
1644 			}
1645 		}
1646 	} else {
1647 		/* consumer */
1648 		val |= diga->status[1] & 0x04; /* copyright */
1649 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1650 		    IEC958_AES0_CON_EMPHASIS_5015)
1651 			val |= 1U << 3;
1652 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1653 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1654 	}
1655 	return val;
1656 }
1657 
1658 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1659 {
1660 	memset(diga->status, 0, sizeof(diga->status));
1661 	diga->status[0] = val & 0x03; /* professional, non-audio */
1662 	if (val & 0x01) {
1663 		/* professional */
1664 		if (val & (1U << 3))
1665 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1666 		switch ((val >> 12) & 0x7) {
1667 		case 0:
1668 			break;
1669 		case 2:
1670 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1671 			break;
1672 		default:
1673 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1674 			break;
1675 		}
1676 	} else {
1677 		/* consumer */
1678 		diga->status[0] |= val & (1U << 2); /* copyright */
1679 		if (val & (1U << 3))
1680 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1681 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1682 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1683 	}
1684 }
1685 
1686 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1687 					struct snd_ctl_elem_value *ucontrol)
1688 {
1689 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1690 	unsigned int val;
1691 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1692 	decode_spdif_bits(&ucontrol->value.iec958, val);
1693 	return 0;
1694 }
1695 
1696 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1697 					 struct snd_ctl_elem_value *ucontrol)
1698 {
1699 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1700 	unsigned int val, old;
1701 
1702 	val = encode_spdif_bits(&ucontrol->value.iec958);
1703 	spin_lock_irq(&ice->reg_lock);
1704 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1705 	if (val != old)
1706 		update_spdif_bits(ice, val);
1707 	spin_unlock_irq(&ice->reg_lock);
1708 	return val != old;
1709 }
1710 
1711 static const struct snd_kcontrol_new snd_vt1724_spdif_default =
1712 {
1713 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1714 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1715 	.info =		snd_vt1724_spdif_info,
1716 	.get =		snd_vt1724_spdif_default_get,
1717 	.put =		snd_vt1724_spdif_default_put
1718 };
1719 
1720 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1721 				       struct snd_ctl_elem_value *ucontrol)
1722 {
1723 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1724 						     IEC958_AES0_PROFESSIONAL |
1725 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1726 						     IEC958_AES0_CON_EMPHASIS;
1727 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1728 						     IEC958_AES1_CON_CATEGORY;
1729 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1730 	return 0;
1731 }
1732 
1733 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1734 				       struct snd_ctl_elem_value *ucontrol)
1735 {
1736 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1737 						     IEC958_AES0_PROFESSIONAL |
1738 						     IEC958_AES0_PRO_FS |
1739 						     IEC958_AES0_PRO_EMPHASIS;
1740 	return 0;
1741 }
1742 
1743 static const struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1744 {
1745 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1746 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1747 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1748 	.info =		snd_vt1724_spdif_info,
1749 	.get =		snd_vt1724_spdif_maskc_get,
1750 };
1751 
1752 static const struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1753 {
1754 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1755 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1756 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1757 	.info =		snd_vt1724_spdif_info,
1758 	.get =		snd_vt1724_spdif_maskp_get,
1759 };
1760 
1761 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1762 
1763 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1764 				   struct snd_ctl_elem_value *ucontrol)
1765 {
1766 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1767 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1768 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1769 	return 0;
1770 }
1771 
1772 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1773 				   struct snd_ctl_elem_value *ucontrol)
1774 {
1775 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1776 	unsigned char old, val;
1777 
1778 	spin_lock_irq(&ice->reg_lock);
1779 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1780 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1781 	if (ucontrol->value.integer.value[0])
1782 		val |= VT1724_CFG_SPDIF_OUT_EN;
1783 	if (old != val)
1784 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1785 	spin_unlock_irq(&ice->reg_lock);
1786 	return old != val;
1787 }
1788 
1789 static const struct snd_kcontrol_new snd_vt1724_spdif_switch =
1790 {
1791 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1792 	/* FIXME: the following conflict with IEC958 Playback Route */
1793 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1794 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1795 	.info =		snd_vt1724_spdif_sw_info,
1796 	.get =		snd_vt1724_spdif_sw_get,
1797 	.put =		snd_vt1724_spdif_sw_put
1798 };
1799 
1800 
1801 #if 0 /* NOT USED YET */
1802 /*
1803  * GPIO access from extern
1804  */
1805 
1806 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1807 
1808 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1809 			struct snd_ctl_elem_value *ucontrol)
1810 {
1811 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1812 	int shift = kcontrol->private_value & 0xff;
1813 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1814 
1815 	snd_ice1712_save_gpio_status(ice);
1816 	ucontrol->value.integer.value[0] =
1817 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1818 	snd_ice1712_restore_gpio_status(ice);
1819 	return 0;
1820 }
1821 
1822 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1823 			 struct snd_ctl_elem_value *ucontrol)
1824 {
1825 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1826 	int shift = kcontrol->private_value & 0xff;
1827 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1828 	unsigned int val, nval;
1829 
1830 	if (kcontrol->private_value & (1 << 31))
1831 		return -EPERM;
1832 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1833 	snd_ice1712_save_gpio_status(ice);
1834 	val = snd_ice1712_gpio_read(ice);
1835 	nval |= val & ~(1 << shift);
1836 	if (val != nval)
1837 		snd_ice1712_gpio_write(ice, nval);
1838 	snd_ice1712_restore_gpio_status(ice);
1839 	return val != nval;
1840 }
1841 #endif /* NOT USED YET */
1842 
1843 /*
1844  *  rate
1845  */
1846 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1847 					      struct snd_ctl_elem_info *uinfo)
1848 {
1849 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1850 	int hw_rates_count = ice->hw_rates->count;
1851 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1852 	uinfo->count = 1;
1853 
1854 	/* internal clocks */
1855 	uinfo->value.enumerated.items = hw_rates_count;
1856 	/* external clocks */
1857 	if (ice->force_rdma1 ||
1858 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1859 		uinfo->value.enumerated.items += ice->ext_clock_count;
1860 	/* upper limit - keep at top */
1861 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1862 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1863 	if (uinfo->value.enumerated.item >= hw_rates_count)
1864 		/* ext_clock items */
1865 		strcpy(uinfo->value.enumerated.name,
1866 				ice->ext_clock_names[
1867 				uinfo->value.enumerated.item - hw_rates_count]);
1868 	else
1869 		/* int clock items */
1870 		sprintf(uinfo->value.enumerated.name, "%d",
1871 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1872 	return 0;
1873 }
1874 
1875 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1876 					     struct snd_ctl_elem_value *ucontrol)
1877 {
1878 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1879 	unsigned int i, rate;
1880 
1881 	spin_lock_irq(&ice->reg_lock);
1882 	if (ice->is_spdif_master(ice)) {
1883 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1884 			ice->get_spdif_master_type(ice);
1885 	} else {
1886 		rate = ice->get_rate(ice);
1887 		ucontrol->value.enumerated.item[0] = 0;
1888 		for (i = 0; i < ice->hw_rates->count; i++) {
1889 			if (ice->hw_rates->list[i] == rate) {
1890 				ucontrol->value.enumerated.item[0] = i;
1891 				break;
1892 			}
1893 		}
1894 	}
1895 	spin_unlock_irq(&ice->reg_lock);
1896 	return 0;
1897 }
1898 
1899 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1900 {
1901 	/* standard external clock - only single type - SPDIF IN */
1902 	return 0;
1903 }
1904 
1905 /* setting clock to external - SPDIF */
1906 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1907 {
1908 	unsigned char oval;
1909 	unsigned char i2s_oval;
1910 	oval = inb(ICEMT1724(ice, RATE));
1911 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1912 	/* setting 256fs */
1913 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1914 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1915 	return 0;
1916 }
1917 
1918 
1919 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1920 					     struct snd_ctl_elem_value *ucontrol)
1921 {
1922 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1923 	unsigned int old_rate, new_rate;
1924 	unsigned int item = ucontrol->value.enumerated.item[0];
1925 	unsigned int first_ext_clock = ice->hw_rates->count;
1926 
1927 	if (item >  first_ext_clock + ice->ext_clock_count - 1)
1928 		return -EINVAL;
1929 
1930 	/* if rate = 0 => external clock */
1931 	spin_lock_irq(&ice->reg_lock);
1932 	if (ice->is_spdif_master(ice))
1933 		old_rate = 0;
1934 	else
1935 		old_rate = ice->get_rate(ice);
1936 	if (item >= first_ext_clock) {
1937 		/* switching to external clock */
1938 		ice->set_spdif_clock(ice, item - first_ext_clock);
1939 		new_rate = 0;
1940 	} else {
1941 		/* internal on-card clock */
1942 		new_rate = ice->hw_rates->list[item];
1943 		ice->pro_rate_default = new_rate;
1944 		spin_unlock_irq(&ice->reg_lock);
1945 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1946 		spin_lock_irq(&ice->reg_lock);
1947 	}
1948 	spin_unlock_irq(&ice->reg_lock);
1949 
1950 	/* the first switch to the ext. clock mode? */
1951 	if (old_rate != new_rate && !new_rate) {
1952 		/* notify akm chips as well */
1953 		unsigned int i;
1954 		if (ice->gpio.set_pro_rate)
1955 			ice->gpio.set_pro_rate(ice, 0);
1956 		for (i = 0; i < ice->akm_codecs; i++) {
1957 			if (ice->akm[i].ops.set_rate_val)
1958 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1959 		}
1960 	}
1961 	return old_rate != new_rate;
1962 }
1963 
1964 static const struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1965 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1966 	.name = "Multi Track Internal Clock",
1967 	.info = snd_vt1724_pro_internal_clock_info,
1968 	.get = snd_vt1724_pro_internal_clock_get,
1969 	.put = snd_vt1724_pro_internal_clock_put
1970 };
1971 
1972 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1973 
1974 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1975 					   struct snd_ctl_elem_value *ucontrol)
1976 {
1977 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1978 	return 0;
1979 }
1980 
1981 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1982 					   struct snd_ctl_elem_value *ucontrol)
1983 {
1984 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1985 	int change = 0, nval;
1986 
1987 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1988 	spin_lock_irq(&ice->reg_lock);
1989 	change = PRO_RATE_LOCKED != nval;
1990 	PRO_RATE_LOCKED = nval;
1991 	spin_unlock_irq(&ice->reg_lock);
1992 	return change;
1993 }
1994 
1995 static const struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
1996 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1997 	.name = "Multi Track Rate Locking",
1998 	.info = snd_vt1724_pro_rate_locking_info,
1999 	.get = snd_vt1724_pro_rate_locking_get,
2000 	.put = snd_vt1724_pro_rate_locking_put
2001 };
2002 
2003 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
2004 
2005 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
2006 					 struct snd_ctl_elem_value *ucontrol)
2007 {
2008 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
2009 	return 0;
2010 }
2011 
2012 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
2013 					 struct snd_ctl_elem_value *ucontrol)
2014 {
2015 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2016 	int change = 0, nval;
2017 
2018 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
2019 	spin_lock_irq(&ice->reg_lock);
2020 	change = PRO_RATE_RESET != nval;
2021 	PRO_RATE_RESET = nval;
2022 	spin_unlock_irq(&ice->reg_lock);
2023 	return change;
2024 }
2025 
2026 static const struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
2027 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2028 	.name = "Multi Track Rate Reset",
2029 	.info = snd_vt1724_pro_rate_reset_info,
2030 	.get = snd_vt1724_pro_rate_reset_get,
2031 	.put = snd_vt1724_pro_rate_reset_put
2032 };
2033 
2034 
2035 /*
2036  * routing
2037  */
2038 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2039 				     struct snd_ctl_elem_info *uinfo)
2040 {
2041 	static const char * const texts[] = {
2042 		"PCM Out", /* 0 */
2043 		"H/W In 0", "H/W In 1", /* 1-2 */
2044 		"IEC958 In L", "IEC958 In R", /* 3-4 */
2045 	};
2046 
2047 	return snd_ctl_enum_info(uinfo, 1, 5, texts);
2048 }
2049 
2050 static inline int analog_route_shift(int idx)
2051 {
2052 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2053 }
2054 
2055 static inline int digital_route_shift(int idx)
2056 {
2057 	return idx * 3;
2058 }
2059 
2060 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2061 {
2062 	unsigned long val;
2063 	unsigned char eitem;
2064 	static const unsigned char xlate[8] = {
2065 		0, 255, 1, 2, 255, 255, 3, 4,
2066 	};
2067 
2068 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2069 	val >>= shift;
2070 	val &= 7; /* we now have 3 bits per output */
2071 	eitem = xlate[val];
2072 	if (eitem == 255) {
2073 		snd_BUG();
2074 		return 0;
2075 	}
2076 	return eitem;
2077 }
2078 
2079 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2080 								int shift)
2081 {
2082 	unsigned int old_val, nval;
2083 	int change;
2084 	static const unsigned char xroute[8] = {
2085 		0, /* PCM */
2086 		2, /* PSDIN0 Left */
2087 		3, /* PSDIN0 Right */
2088 		6, /* SPDIN Left */
2089 		7, /* SPDIN Right */
2090 	};
2091 
2092 	nval = xroute[val % 5];
2093 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2094 	val &= ~(0x07 << shift);
2095 	val |= nval << shift;
2096 	change = val != old_val;
2097 	if (change)
2098 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2099 	return change;
2100 }
2101 
2102 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2103 					   struct snd_ctl_elem_value *ucontrol)
2104 {
2105 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2106 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2107 	ucontrol->value.enumerated.item[0] =
2108 		snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2109 	return 0;
2110 }
2111 
2112 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2113 					   struct snd_ctl_elem_value *ucontrol)
2114 {
2115 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2116 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2117 	return snd_ice1724_put_route_val(ice,
2118 					 ucontrol->value.enumerated.item[0],
2119 					 analog_route_shift(idx));
2120 }
2121 
2122 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2123 					  struct snd_ctl_elem_value *ucontrol)
2124 {
2125 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2126 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2127 	ucontrol->value.enumerated.item[0] =
2128 		snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2129 	return 0;
2130 }
2131 
2132 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2133 					  struct snd_ctl_elem_value *ucontrol)
2134 {
2135 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2136 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2137 	return snd_ice1724_put_route_val(ice,
2138 					 ucontrol->value.enumerated.item[0],
2139 					 digital_route_shift(idx));
2140 }
2141 
2142 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2143 {
2144 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2145 	.name = "H/W Playback Route",
2146 	.info = snd_vt1724_pro_route_info,
2147 	.get = snd_vt1724_pro_route_analog_get,
2148 	.put = snd_vt1724_pro_route_analog_put,
2149 };
2150 
2151 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2152 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2153 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2154 	.info = snd_vt1724_pro_route_info,
2155 	.get = snd_vt1724_pro_route_spdif_get,
2156 	.put = snd_vt1724_pro_route_spdif_put,
2157 	.count = 2,
2158 };
2159 
2160 
2161 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2162 				    struct snd_ctl_elem_info *uinfo)
2163 {
2164 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2165 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2166 	uinfo->value.integer.min = 0;
2167 	uinfo->value.integer.max = 255;
2168 	return 0;
2169 }
2170 
2171 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2172 				   struct snd_ctl_elem_value *ucontrol)
2173 {
2174 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2175 	int idx;
2176 
2177 	spin_lock_irq(&ice->reg_lock);
2178 	for (idx = 0; idx < 22; idx++) {
2179 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2180 		ucontrol->value.integer.value[idx] =
2181 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2182 	}
2183 	spin_unlock_irq(&ice->reg_lock);
2184 	return 0;
2185 }
2186 
2187 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2188 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
2189 	.name = "Multi Track Peak",
2190 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2191 	.info = snd_vt1724_pro_peak_info,
2192 	.get = snd_vt1724_pro_peak_get
2193 };
2194 
2195 /*
2196  *
2197  */
2198 
2199 static struct snd_ice1712_card_info no_matched;
2200 
2201 
2202 /*
2203   ooAoo cards with no controls
2204 */
2205 static unsigned char ooaoo_sq210_eeprom[] = {
2206 	[ICE_EEP2_SYSCONF]     = 0x4c,	/* 49MHz crystal, no mpu401, no ADC,
2207 					   1xDACs */
2208 	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
2209 	[ICE_EEP2_I2S]         = 0x78,	/* no volume, 96k, 24bit, 192k */
2210 	[ICE_EEP2_SPDIF]       = 0xc1,	/* out-en, out-int, out-ext */
2211 	[ICE_EEP2_GPIO_DIR]    = 0x00,	/* no GPIOs are used */
2212 	[ICE_EEP2_GPIO_DIR1]   = 0x00,
2213 	[ICE_EEP2_GPIO_DIR2]   = 0x00,
2214 	[ICE_EEP2_GPIO_MASK]   = 0xff,
2215 	[ICE_EEP2_GPIO_MASK1]  = 0xff,
2216 	[ICE_EEP2_GPIO_MASK2]  = 0xff,
2217 
2218 	[ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2219 	[ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2220 					  and GPIO15 always zero */
2221 	[ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2222 };
2223 
2224 
2225 static struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2226 	{
2227 		.name = "ooAoo SQ210a",
2228 		.model = "sq210a",
2229 		.eeprom_size = sizeof(ooaoo_sq210_eeprom),
2230 		.eeprom_data = ooaoo_sq210_eeprom,
2231 	},
2232 	{ } /* terminator */
2233 };
2234 
2235 static struct snd_ice1712_card_info *card_tables[] = {
2236 	snd_vt1724_revo_cards,
2237 	snd_vt1724_amp_cards,
2238 	snd_vt1724_aureon_cards,
2239 	snd_vt1720_mobo_cards,
2240 	snd_vt1720_pontis_cards,
2241 	snd_vt1724_prodigy_hifi_cards,
2242 	snd_vt1724_prodigy192_cards,
2243 	snd_vt1724_juli_cards,
2244 	snd_vt1724_maya44_cards,
2245 	snd_vt1724_phase_cards,
2246 	snd_vt1724_wtm_cards,
2247 	snd_vt1724_se_cards,
2248 	snd_vt1724_qtet_cards,
2249 	snd_vt1724_ooaoo_cards,
2250 	snd_vt1724_psc724_cards,
2251 	NULL,
2252 };
2253 
2254 
2255 /*
2256  */
2257 
2258 static void wait_i2c_busy(struct snd_ice1712 *ice)
2259 {
2260 	int t = 0x10000;
2261 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2262 		;
2263 	if (t == -1)
2264 		dev_err(ice->card->dev, "i2c busy timeout\n");
2265 }
2266 
2267 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2268 				  unsigned char dev, unsigned char addr)
2269 {
2270 	unsigned char val;
2271 
2272 	mutex_lock(&ice->i2c_mutex);
2273 	wait_i2c_busy(ice);
2274 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2275 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2276 	wait_i2c_busy(ice);
2277 	val = inb(ICEREG1724(ice, I2C_DATA));
2278 	mutex_unlock(&ice->i2c_mutex);
2279 	/*
2280 	dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2281 	*/
2282 	return val;
2283 }
2284 
2285 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2286 			  unsigned char dev, unsigned char addr, unsigned char data)
2287 {
2288 	mutex_lock(&ice->i2c_mutex);
2289 	wait_i2c_busy(ice);
2290 	/*
2291 	dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2292 	*/
2293 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2294 	outb(data, ICEREG1724(ice, I2C_DATA));
2295 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2296 	wait_i2c_busy(ice);
2297 	mutex_unlock(&ice->i2c_mutex);
2298 }
2299 
2300 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2301 				  const char *modelname)
2302 {
2303 	const int dev = 0xa0;		/* EEPROM device address */
2304 	unsigned int i, size;
2305 	struct snd_ice1712_card_info * const *tbl, *c;
2306 
2307 	if (!modelname || !*modelname) {
2308 		ice->eeprom.subvendor = 0;
2309 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2310 			ice->eeprom.subvendor =
2311 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2312 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2313 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2314 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2315 		if (ice->eeprom.subvendor == 0 ||
2316 		    ice->eeprom.subvendor == (unsigned int)-1) {
2317 			/* invalid subvendor from EEPROM, try the PCI
2318 			 * subststem ID instead
2319 			 */
2320 			u16 vendor, device;
2321 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2322 					     &vendor);
2323 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2324 			ice->eeprom.subvendor =
2325 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2326 			if (ice->eeprom.subvendor == 0 ||
2327 			    ice->eeprom.subvendor == (unsigned int)-1) {
2328 				dev_err(ice->card->dev,
2329 					"No valid ID is found\n");
2330 				return -ENXIO;
2331 			}
2332 		}
2333 	}
2334 	for (tbl = card_tables; *tbl; tbl++) {
2335 		for (c = *tbl; c->name; c++) {
2336 			if (modelname && c->model &&
2337 			    !strcmp(modelname, c->model)) {
2338 				dev_info(ice->card->dev,
2339 					 "Using board model %s\n",
2340 				       c->name);
2341 				ice->eeprom.subvendor = c->subvendor;
2342 			} else if (c->subvendor != ice->eeprom.subvendor)
2343 				continue;
2344 			ice->card_info = c;
2345 			if (!c->eeprom_size || !c->eeprom_data)
2346 				goto found;
2347 			/* if the EEPROM is given by the driver, use it */
2348 			dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2349 			ice->eeprom.version = 2;
2350 			ice->eeprom.size = c->eeprom_size + 6;
2351 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2352 			goto read_skipped;
2353 		}
2354 	}
2355 	dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2356 	       ice->eeprom.subvendor);
2357 #ifdef CONFIG_PM_SLEEP
2358 	/* assume AC97-only card which can suspend without additional code */
2359 	ice->pm_suspend_enabled = 1;
2360 #endif
2361 
2362  found:
2363 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2364 	if (ice->eeprom.size < 6)
2365 		ice->eeprom.size = 32;
2366 	else if (ice->eeprom.size > 32) {
2367 		dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2368 		       ice->eeprom.size);
2369 		return -EIO;
2370 	}
2371 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2372 	if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2373 		dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2374 		       ice->eeprom.version);
2375 	size = ice->eeprom.size - 6;
2376 	for (i = 0; i < size; i++)
2377 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2378 
2379  read_skipped:
2380 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2381 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2382 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2383 
2384 	return 0;
2385 }
2386 
2387 
2388 
2389 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2390 {
2391 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2392 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2393 	msleep(10);
2394 	outb(0, ICEREG1724(ice, CONTROL));
2395 	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2396 	msleep(10);
2397 }
2398 
2399 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2400 {
2401 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2402 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2403 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2404 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2405 
2406 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2407 	ice->gpio.direction = ice->eeprom.gpiodir;
2408 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2409 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2410 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2411 
2412 	outb(0, ICEREG1724(ice, POWERDOWN));
2413 
2414 	/* MPU_RX and TX irq masks are cleared later dynamically */
2415 	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2416 
2417 	/* don't handle FIFO overrun/underruns (just yet),
2418 	 * since they cause machine lockups
2419 	 */
2420 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2421 
2422 	return 0;
2423 }
2424 
2425 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2426 {
2427 	int err;
2428 	struct snd_kcontrol *kctl;
2429 
2430 	if (snd_BUG_ON(!ice->pcm))
2431 		return -EIO;
2432 
2433 	if (!ice->own_routing) {
2434 		err = snd_ctl_add(ice->card,
2435 			snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2436 		if (err < 0)
2437 			return err;
2438 	}
2439 
2440 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2441 	if (err < 0)
2442 		return err;
2443 
2444 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2445 	if (err < 0)
2446 		return err;
2447 	kctl->id.device = ice->pcm->device;
2448 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2449 	if (err < 0)
2450 		return err;
2451 	kctl->id.device = ice->pcm->device;
2452 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2453 	if (err < 0)
2454 		return err;
2455 	kctl->id.device = ice->pcm->device;
2456 #if 0 /* use default only */
2457 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2458 	if (err < 0)
2459 		return err;
2460 	kctl->id.device = ice->pcm->device;
2461 	ice->spdif.stream_ctl = kctl;
2462 #endif
2463 	return 0;
2464 }
2465 
2466 
2467 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2468 {
2469 	int err;
2470 
2471 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2472 	if (err < 0)
2473 		return err;
2474 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2475 	if (err < 0)
2476 		return err;
2477 
2478 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2479 	if (err < 0)
2480 		return err;
2481 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2482 	if (err < 0)
2483 		return err;
2484 
2485 	if (!ice->own_routing && ice->num_total_dacs > 0) {
2486 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2487 		tmp.count = ice->num_total_dacs;
2488 		if (ice->vt1720 && tmp.count > 2)
2489 			tmp.count = 2;
2490 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2491 		if (err < 0)
2492 			return err;
2493 	}
2494 
2495 	return snd_ctl_add(ice->card,
2496 			   snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2497 }
2498 
2499 static int snd_vt1724_free(struct snd_ice1712 *ice)
2500 {
2501 	if (!ice->port)
2502 		goto __hw_end;
2503 	/* mask all interrupts */
2504 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2505 	outb(0xff, ICEREG1724(ice, IRQMASK));
2506 	/* --- */
2507 __hw_end:
2508 	if (ice->irq >= 0)
2509 		free_irq(ice->irq, ice);
2510 	pci_release_regions(ice->pci);
2511 	snd_ice1712_akm4xxx_free(ice);
2512 	pci_disable_device(ice->pci);
2513 	kfree(ice->spec);
2514 	kfree(ice);
2515 	return 0;
2516 }
2517 
2518 static int snd_vt1724_dev_free(struct snd_device *device)
2519 {
2520 	struct snd_ice1712 *ice = device->device_data;
2521 	return snd_vt1724_free(ice);
2522 }
2523 
2524 static int snd_vt1724_create(struct snd_card *card,
2525 			     struct pci_dev *pci,
2526 			     const char *modelname,
2527 			     struct snd_ice1712 **r_ice1712)
2528 {
2529 	struct snd_ice1712 *ice;
2530 	int err;
2531 	static struct snd_device_ops ops = {
2532 		.dev_free =	snd_vt1724_dev_free,
2533 	};
2534 
2535 	*r_ice1712 = NULL;
2536 
2537 	/* enable PCI device */
2538 	err = pci_enable_device(pci);
2539 	if (err < 0)
2540 		return err;
2541 
2542 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2543 	if (ice == NULL) {
2544 		pci_disable_device(pci);
2545 		return -ENOMEM;
2546 	}
2547 	ice->vt1724 = 1;
2548 	spin_lock_init(&ice->reg_lock);
2549 	mutex_init(&ice->gpio_mutex);
2550 	mutex_init(&ice->open_mutex);
2551 	mutex_init(&ice->i2c_mutex);
2552 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2553 	ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2554 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2555 	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2556 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2557 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2558 	ice->card = card;
2559 	ice->pci = pci;
2560 	ice->irq = -1;
2561 	pci_set_master(pci);
2562 	snd_vt1724_proc_init(ice);
2563 	synchronize_irq(pci->irq);
2564 
2565 	card->private_data = ice;
2566 
2567 	err = pci_request_regions(pci, "ICE1724");
2568 	if (err < 0) {
2569 		kfree(ice);
2570 		pci_disable_device(pci);
2571 		return err;
2572 	}
2573 	ice->port = pci_resource_start(pci, 0);
2574 	ice->profi_port = pci_resource_start(pci, 1);
2575 
2576 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2577 			IRQF_SHARED, KBUILD_MODNAME, ice)) {
2578 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2579 		snd_vt1724_free(ice);
2580 		return -EIO;
2581 	}
2582 
2583 	ice->irq = pci->irq;
2584 
2585 	snd_vt1724_chip_reset(ice);
2586 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2587 		snd_vt1724_free(ice);
2588 		return -EIO;
2589 	}
2590 	if (snd_vt1724_chip_init(ice) < 0) {
2591 		snd_vt1724_free(ice);
2592 		return -EIO;
2593 	}
2594 
2595 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2596 	if (err < 0) {
2597 		snd_vt1724_free(ice);
2598 		return err;
2599 	}
2600 
2601 	*r_ice1712 = ice;
2602 	return 0;
2603 }
2604 
2605 
2606 /*
2607  *
2608  * Registration
2609  *
2610  */
2611 
2612 static int snd_vt1724_probe(struct pci_dev *pci,
2613 			    const struct pci_device_id *pci_id)
2614 {
2615 	static int dev;
2616 	struct snd_card *card;
2617 	struct snd_ice1712 *ice;
2618 	int pcm_dev = 0, err;
2619 	struct snd_ice1712_card_info * const *tbl, *c;
2620 
2621 	if (dev >= SNDRV_CARDS)
2622 		return -ENODEV;
2623 	if (!enable[dev]) {
2624 		dev++;
2625 		return -ENOENT;
2626 	}
2627 
2628 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2629 			   0, &card);
2630 	if (err < 0)
2631 		return err;
2632 
2633 	strcpy(card->driver, "ICE1724");
2634 	strcpy(card->shortname, "ICEnsemble ICE1724");
2635 
2636 	err = snd_vt1724_create(card, pci, model[dev], &ice);
2637 	if (err < 0) {
2638 		snd_card_free(card);
2639 		return err;
2640 	}
2641 
2642 	/* field init before calling chip_init */
2643 	ice->ext_clock_count = 0;
2644 
2645 	for (tbl = card_tables; *tbl; tbl++) {
2646 		for (c = *tbl; c->name; c++) {
2647 			if ((model[dev] && c->model &&
2648 			     !strcmp(model[dev], c->model)) ||
2649 			    (c->subvendor == ice->eeprom.subvendor)) {
2650 				strcpy(card->shortname, c->name);
2651 				if (c->driver) /* specific driver? */
2652 					strcpy(card->driver, c->driver);
2653 				if (c->chip_init) {
2654 					err = c->chip_init(ice);
2655 					if (err < 0) {
2656 						snd_card_free(card);
2657 						return err;
2658 					}
2659 				}
2660 				goto __found;
2661 			}
2662 		}
2663 	}
2664 	c = &no_matched;
2665 __found:
2666 	/*
2667 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2668 	* ICE1712 has only one for both (mixed up).
2669 	*
2670 	* Confusingly the analog PCM is named "professional" here because it
2671 	* was called so in ice1712 driver, and vt1724 driver is derived from
2672 	* ice1712 driver.
2673 	*/
2674 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2675 	if (!ice->is_spdif_master)
2676 		ice->is_spdif_master = stdclock_is_spdif_master;
2677 	if (!ice->get_rate)
2678 		ice->get_rate = stdclock_get_rate;
2679 	if (!ice->set_rate)
2680 		ice->set_rate = stdclock_set_rate;
2681 	if (!ice->set_mclk)
2682 		ice->set_mclk = stdclock_set_mclk;
2683 	if (!ice->set_spdif_clock)
2684 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2685 	if (!ice->get_spdif_master_type)
2686 		ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2687 	if (!ice->ext_clock_names)
2688 		ice->ext_clock_names = ext_clock_names;
2689 	if (!ice->ext_clock_count)
2690 		ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2691 
2692 	if (!ice->hw_rates)
2693 		set_std_hw_rates(ice);
2694 
2695 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2696 	if (err < 0) {
2697 		snd_card_free(card);
2698 		return err;
2699 	}
2700 
2701 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2702 	if (err < 0) {
2703 		snd_card_free(card);
2704 		return err;
2705 	}
2706 
2707 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2708 	if (err < 0) {
2709 		snd_card_free(card);
2710 		return err;
2711 	}
2712 
2713 	err = snd_vt1724_ac97_mixer(ice);
2714 	if (err < 0) {
2715 		snd_card_free(card);
2716 		return err;
2717 	}
2718 
2719 	err = snd_vt1724_build_controls(ice);
2720 	if (err < 0) {
2721 		snd_card_free(card);
2722 		return err;
2723 	}
2724 
2725 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2726 		err = snd_vt1724_spdif_build_controls(ice);
2727 		if (err < 0) {
2728 			snd_card_free(card);
2729 			return err;
2730 		}
2731 	}
2732 
2733 	if (c->build_controls) {
2734 		err = c->build_controls(ice);
2735 		if (err < 0) {
2736 			snd_card_free(card);
2737 			return err;
2738 		}
2739 	}
2740 
2741 	if (!c->no_mpu401) {
2742 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2743 			struct snd_rawmidi *rmidi;
2744 
2745 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2746 			if (err < 0) {
2747 				snd_card_free(card);
2748 				return err;
2749 			}
2750 			ice->rmidi[0] = rmidi;
2751 			rmidi->private_data = ice;
2752 			strcpy(rmidi->name, "ICE1724 MIDI");
2753 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2754 					    SNDRV_RAWMIDI_INFO_INPUT |
2755 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2756 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2757 					    &vt1724_midi_output_ops);
2758 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2759 					    &vt1724_midi_input_ops);
2760 
2761 			/* set watermarks */
2762 			outb(VT1724_MPU_RX_FIFO | 0x1,
2763 			     ICEREG1724(ice, MPU_FIFO_WM));
2764 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2765 			/* set UART mode */
2766 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2767 		}
2768 	}
2769 
2770 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2771 		card->shortname, ice->port, ice->irq);
2772 
2773 	err = snd_card_register(card);
2774 	if (err < 0) {
2775 		snd_card_free(card);
2776 		return err;
2777 	}
2778 	pci_set_drvdata(pci, card);
2779 	dev++;
2780 	return 0;
2781 }
2782 
2783 static void snd_vt1724_remove(struct pci_dev *pci)
2784 {
2785 	struct snd_card *card = pci_get_drvdata(pci);
2786 	struct snd_ice1712 *ice = card->private_data;
2787 
2788 	if (ice->card_info && ice->card_info->chip_exit)
2789 		ice->card_info->chip_exit(ice);
2790 	snd_card_free(card);
2791 }
2792 
2793 #ifdef CONFIG_PM_SLEEP
2794 static int snd_vt1724_suspend(struct device *dev)
2795 {
2796 	struct snd_card *card = dev_get_drvdata(dev);
2797 	struct snd_ice1712 *ice = card->private_data;
2798 
2799 	if (!ice->pm_suspend_enabled)
2800 		return 0;
2801 
2802 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2803 
2804 	snd_ac97_suspend(ice->ac97);
2805 
2806 	spin_lock_irq(&ice->reg_lock);
2807 	ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2808 	ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2809 	ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2810 	ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2811 	spin_unlock_irq(&ice->reg_lock);
2812 
2813 	if (ice->pm_suspend)
2814 		ice->pm_suspend(ice);
2815 	return 0;
2816 }
2817 
2818 static int snd_vt1724_resume(struct device *dev)
2819 {
2820 	struct snd_card *card = dev_get_drvdata(dev);
2821 	struct snd_ice1712 *ice = card->private_data;
2822 
2823 	if (!ice->pm_suspend_enabled)
2824 		return 0;
2825 
2826 	snd_vt1724_chip_reset(ice);
2827 
2828 	if (snd_vt1724_chip_init(ice) < 0) {
2829 		snd_card_disconnect(card);
2830 		return -EIO;
2831 	}
2832 
2833 	if (ice->pm_resume)
2834 		ice->pm_resume(ice);
2835 
2836 	if (ice->pm_saved_is_spdif_master) {
2837 		/* switching to external clock via SPDIF */
2838 		ice->set_spdif_clock(ice, 0);
2839 	} else {
2840 		/* internal on-card clock */
2841 		int rate;
2842 		if (ice->cur_rate)
2843 			rate = ice->cur_rate;
2844 		else
2845 			rate = ice->pro_rate_default;
2846 		snd_vt1724_set_pro_rate(ice, rate, 1);
2847 	}
2848 
2849 	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2850 
2851 	outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2852 	outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2853 
2854 	snd_ac97_resume(ice->ac97);
2855 
2856 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2857 	return 0;
2858 }
2859 
2860 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2861 #define SND_VT1724_PM_OPS	&snd_vt1724_pm
2862 #else
2863 #define SND_VT1724_PM_OPS	NULL
2864 #endif /* CONFIG_PM_SLEEP */
2865 
2866 static struct pci_driver vt1724_driver = {
2867 	.name = KBUILD_MODNAME,
2868 	.id_table = snd_vt1724_ids,
2869 	.probe = snd_vt1724_probe,
2870 	.remove = snd_vt1724_remove,
2871 	.driver = {
2872 		.pm = SND_VT1724_PM_OPS,
2873 	},
2874 };
2875 
2876 module_pci_driver(vt1724_driver);
2877