xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision b627b4ed)
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/io.h>
26 #include <linux/delay.h>
27 #include <linux/interrupt.h>
28 #include <linux/init.h>
29 #include <linux/pci.h>
30 #include <linux/slab.h>
31 #include <linux/moduleparam.h>
32 #include <linux/mutex.h>
33 #include <sound/core.h>
34 #include <sound/info.h>
35 #include <sound/rawmidi.h>
36 #include <sound/initval.h>
37 
38 #include <sound/asoundef.h>
39 
40 #include "ice1712.h"
41 #include "envy24ht.h"
42 
43 /* lowlevel routines */
44 #include "amp.h"
45 #include "revo.h"
46 #include "aureon.h"
47 #include "vt1720_mobo.h"
48 #include "pontis.h"
49 #include "prodigy192.h"
50 #include "prodigy_hifi.h"
51 #include "juli.h"
52 #include "phase.h"
53 #include "wtm.h"
54 #include "se.h"
55 
56 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
57 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
58 MODULE_LICENSE("GPL");
59 MODULE_SUPPORTED_DEVICE("{"
60 	       REVO_DEVICE_DESC
61 	       AMP_AUDIO2000_DEVICE_DESC
62 	       AUREON_DEVICE_DESC
63 	       VT1720_MOBO_DEVICE_DESC
64 	       PONTIS_DEVICE_DESC
65 	       PRODIGY192_DEVICE_DESC
66 	       PRODIGY_HIFI_DEVICE_DESC
67 	       JULI_DEVICE_DESC
68 	       PHASE_DEVICE_DESC
69 	       WTM_DEVICE_DESC
70 	       SE_DEVICE_DESC
71 		"{VIA,VT1720},"
72 		"{VIA,VT1724},"
73 		"{ICEnsemble,Generic ICE1724},"
74 		"{ICEnsemble,Generic Envy24HT}"
75 		"{ICEnsemble,Generic Envy24PT}}");
76 
77 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
78 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
79 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
80 static char *model[SNDRV_CARDS];
81 
82 module_param_array(index, int, NULL, 0444);
83 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
84 module_param_array(id, charp, NULL, 0444);
85 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
86 module_param_array(enable, bool, NULL, 0444);
87 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
88 module_param_array(model, charp, NULL, 0444);
89 MODULE_PARM_DESC(model, "Use the given board model.");
90 
91 
92 /* Both VT1720 and VT1724 have the same PCI IDs */
93 static const struct pci_device_id snd_vt1724_ids[] = {
94 	{ PCI_VENDOR_ID_ICE, PCI_DEVICE_ID_VT1724, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
95 	{ 0, }
96 };
97 
98 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
99 
100 
101 static int PRO_RATE_LOCKED;
102 static int PRO_RATE_RESET = 1;
103 static unsigned int PRO_RATE_DEFAULT = 44100;
104 
105 /*
106  *  Basic I/O
107  */
108 
109 /*
110  *  default rates, default clock routines
111  */
112 
113 /* check whether the clock mode is spdif-in */
114 static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
115 {
116 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
117 }
118 
119 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
120 {
121 	return ice->is_spdif_master(ice) || PRO_RATE_LOCKED;
122 }
123 
124 /*
125  * ac97 section
126  */
127 
128 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
129 {
130 	unsigned char old_cmd;
131 	int tm;
132 	for (tm = 0; tm < 0x10000; tm++) {
133 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
134 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
135 			continue;
136 		if (!(old_cmd & VT1724_AC97_READY))
137 			continue;
138 		return old_cmd;
139 	}
140 	snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
141 	return old_cmd;
142 }
143 
144 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
145 {
146 	int tm;
147 	for (tm = 0; tm < 0x10000; tm++)
148 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
149 			return 0;
150 	snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
151 	return -EIO;
152 }
153 
154 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
155 				  unsigned short reg,
156 				  unsigned short val)
157 {
158 	struct snd_ice1712 *ice = ac97->private_data;
159 	unsigned char old_cmd;
160 
161 	old_cmd = snd_vt1724_ac97_ready(ice);
162 	old_cmd &= ~VT1724_AC97_ID_MASK;
163 	old_cmd |= ac97->num;
164 	outb(reg, ICEMT1724(ice, AC97_INDEX));
165 	outw(val, ICEMT1724(ice, AC97_DATA));
166 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
167 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
168 }
169 
170 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
171 {
172 	struct snd_ice1712 *ice = ac97->private_data;
173 	unsigned char old_cmd;
174 
175 	old_cmd = snd_vt1724_ac97_ready(ice);
176 	old_cmd &= ~VT1724_AC97_ID_MASK;
177 	old_cmd |= ac97->num;
178 	outb(reg, ICEMT1724(ice, AC97_INDEX));
179 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
180 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
181 		return ~0;
182 	return inw(ICEMT1724(ice, AC97_DATA));
183 }
184 
185 
186 /*
187  * GPIO operations
188  */
189 
190 /* set gpio direction 0 = read, 1 = write */
191 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
192 {
193 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
194 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
195 }
196 
197 /* set the gpio mask (0 = writable) */
198 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
199 {
200 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
201 	if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
202 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
203 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
204 }
205 
206 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
207 {
208 	outw(data, ICEREG1724(ice, GPIO_DATA));
209 	if (!ice->vt1720)
210 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
211 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
212 }
213 
214 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
215 {
216 	unsigned int data;
217 	if (!ice->vt1720)
218 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
219 	else
220 		data = 0;
221 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
222 	return data;
223 }
224 
225 /*
226  * MIDI
227  */
228 
229 static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
230 {
231 	unsigned int count;
232 
233 	for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
234 		inb(ICEREG1724(ice, MPU_DATA));
235 }
236 
237 static inline struct snd_rawmidi_substream *
238 get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
239 {
240 	return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
241 				struct snd_rawmidi_substream, list);
242 }
243 
244 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
245 
246 static void vt1724_midi_write(struct snd_ice1712 *ice)
247 {
248 	struct snd_rawmidi_substream *s;
249 	int count, i;
250 	u8 buffer[32];
251 
252 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
253 	count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
254 	if (count > 0) {
255 		count = snd_rawmidi_transmit(s, buffer, count);
256 		for (i = 0; i < count; ++i)
257 			outb(buffer[i], ICEREG1724(ice, MPU_DATA));
258 	}
259 	/* mask irq when all bytes have been transmitted.
260 	 * enabled again in output_trigger when the new data comes in.
261 	 */
262 	enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
263 			!snd_rawmidi_transmit_empty(s));
264 }
265 
266 static void vt1724_midi_read(struct snd_ice1712 *ice)
267 {
268 	struct snd_rawmidi_substream *s;
269 	int count, i;
270 	u8 buffer[32];
271 
272 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
273 	count = inb(ICEREG1724(ice, MPU_RXFIFO));
274 	if (count > 0) {
275 		count = min(count, 32);
276 		for (i = 0; i < count; ++i)
277 			buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
278 		snd_rawmidi_receive(s, buffer, count);
279 	}
280 }
281 
282 /* call with ice->reg_lock */
283 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
284 {
285 	u8 mask = inb(ICEREG1724(ice, IRQMASK));
286 	if (enable)
287 		mask &= ~flag;
288 	else
289 		mask |= flag;
290 	outb(mask, ICEREG1724(ice, IRQMASK));
291 }
292 
293 static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
294 				   u8 flag, int enable)
295 {
296 	struct snd_ice1712 *ice = substream->rmidi->private_data;
297 
298 	spin_lock_irq(&ice->reg_lock);
299 	enable_midi_irq(ice, flag, enable);
300 	spin_unlock_irq(&ice->reg_lock);
301 }
302 
303 static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
304 {
305 	return 0;
306 }
307 
308 static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
309 {
310 	return 0;
311 }
312 
313 static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
314 {
315 	struct snd_ice1712 *ice = s->rmidi->private_data;
316 	unsigned long flags;
317 
318 	spin_lock_irqsave(&ice->reg_lock, flags);
319 	if (up) {
320 		ice->midi_output = 1;
321 		vt1724_midi_write(ice);
322 	} else {
323 		ice->midi_output = 0;
324 		enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
325 	}
326 	spin_unlock_irqrestore(&ice->reg_lock, flags);
327 }
328 
329 static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
330 {
331 	struct snd_ice1712 *ice = s->rmidi->private_data;
332 	unsigned long timeout;
333 
334 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
335 	/* 32 bytes should be transmitted in less than about 12 ms */
336 	timeout = jiffies + msecs_to_jiffies(15);
337 	do {
338 		if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
339 			break;
340 		schedule_timeout_uninterruptible(1);
341 	} while (time_after(timeout, jiffies));
342 }
343 
344 static struct snd_rawmidi_ops vt1724_midi_output_ops = {
345 	.open = vt1724_midi_output_open,
346 	.close = vt1724_midi_output_close,
347 	.trigger = vt1724_midi_output_trigger,
348 	.drain = vt1724_midi_output_drain,
349 };
350 
351 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
352 {
353 	vt1724_midi_clear_rx(s->rmidi->private_data);
354 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
355 	return 0;
356 }
357 
358 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
359 {
360 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
361 	return 0;
362 }
363 
364 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
365 {
366 	struct snd_ice1712 *ice = s->rmidi->private_data;
367 	unsigned long flags;
368 
369 	spin_lock_irqsave(&ice->reg_lock, flags);
370 	if (up) {
371 		ice->midi_input = 1;
372 		vt1724_midi_read(ice);
373 	} else {
374 		ice->midi_input = 0;
375 	}
376 	spin_unlock_irqrestore(&ice->reg_lock, flags);
377 }
378 
379 static struct snd_rawmidi_ops vt1724_midi_input_ops = {
380 	.open = vt1724_midi_input_open,
381 	.close = vt1724_midi_input_close,
382 	.trigger = vt1724_midi_input_trigger,
383 };
384 
385 
386 /*
387  *  Interrupt handler
388  */
389 
390 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
391 {
392 	struct snd_ice1712 *ice = dev_id;
393 	unsigned char status;
394 	unsigned char status_mask =
395 		VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
396 	int handled = 0;
397 	int timeout = 0;
398 
399 	while (1) {
400 		status = inb(ICEREG1724(ice, IRQSTAT));
401 		status &= status_mask;
402 		if (status == 0)
403 			break;
404 		spin_lock(&ice->reg_lock);
405 		if (++timeout > 10) {
406 			status = inb(ICEREG1724(ice, IRQSTAT));
407 			printk(KERN_ERR "ice1724: Too long irq loop, "
408 			       "status = 0x%x\n", status);
409 			if (status & VT1724_IRQ_MPU_TX) {
410 				printk(KERN_ERR "ice1724: Disabling MPU_TX\n");
411 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
412 			}
413 			spin_unlock(&ice->reg_lock);
414 			break;
415 		}
416 		handled = 1;
417 		if (status & VT1724_IRQ_MPU_TX) {
418 			if (ice->midi_output)
419 				vt1724_midi_write(ice);
420 			else
421 				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
422 			/* Due to mysterical reasons, MPU_TX is always
423 			 * generated (and can't be cleared) when a PCM
424 			 * playback is going.  So let's ignore at the
425 			 * next loop.
426 			 */
427 			status_mask &= ~VT1724_IRQ_MPU_TX;
428 		}
429 		if (status & VT1724_IRQ_MPU_RX) {
430 			if (ice->midi_input)
431 				vt1724_midi_read(ice);
432 			else
433 				vt1724_midi_clear_rx(ice);
434 		}
435 		/* ack MPU irq */
436 		outb(status, ICEREG1724(ice, IRQSTAT));
437 		spin_unlock(&ice->reg_lock);
438 		if (status & VT1724_IRQ_MTPCM) {
439 			/*
440 			 * Multi-track PCM
441 			 * PCM assignment are:
442 			 * Playback DMA0 (M/C) = playback_pro_substream
443 			 * Playback DMA1 = playback_con_substream_ds[0]
444 			 * Playback DMA2 = playback_con_substream_ds[1]
445 			 * Playback DMA3 = playback_con_substream_ds[2]
446 			 * Playback DMA4 (SPDIF) = playback_con_substream
447 			 * Record DMA0 = capture_pro_substream
448 			 * Record DMA1 = capture_con_substream
449 			 */
450 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
451 			if (mtstat & VT1724_MULTI_PDMA0) {
452 				if (ice->playback_pro_substream)
453 					snd_pcm_period_elapsed(ice->playback_pro_substream);
454 			}
455 			if (mtstat & VT1724_MULTI_RDMA0) {
456 				if (ice->capture_pro_substream)
457 					snd_pcm_period_elapsed(ice->capture_pro_substream);
458 			}
459 			if (mtstat & VT1724_MULTI_PDMA1) {
460 				if (ice->playback_con_substream_ds[0])
461 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
462 			}
463 			if (mtstat & VT1724_MULTI_PDMA2) {
464 				if (ice->playback_con_substream_ds[1])
465 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
466 			}
467 			if (mtstat & VT1724_MULTI_PDMA3) {
468 				if (ice->playback_con_substream_ds[2])
469 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
470 			}
471 			if (mtstat & VT1724_MULTI_PDMA4) {
472 				if (ice->playback_con_substream)
473 					snd_pcm_period_elapsed(ice->playback_con_substream);
474 			}
475 			if (mtstat & VT1724_MULTI_RDMA1) {
476 				if (ice->capture_con_substream)
477 					snd_pcm_period_elapsed(ice->capture_con_substream);
478 			}
479 			/* ack anyway to avoid freeze */
480 			outb(mtstat, ICEMT1724(ice, IRQ));
481 			/* ought to really handle this properly */
482 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
483 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
484 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
485 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
486 				/* If I don't do this, I get machine lockup due to continual interrupts */
487 			}
488 
489 		}
490 	}
491 	return IRQ_RETVAL(handled);
492 }
493 
494 /*
495  *  PCM code - professional part (multitrack)
496  */
497 
498 static unsigned int rates[] = {
499 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
500 	32000, 44100, 48000, 64000, 88200, 96000,
501 	176400, 192000,
502 };
503 
504 static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
505 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
506 	.list = rates,
507 	.mask = 0,
508 };
509 
510 static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
511 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
512 	.list = rates,
513 	.mask = 0,
514 };
515 
516 static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
517 	.count = ARRAY_SIZE(rates),
518 	.list = rates,
519 	.mask = 0,
520 };
521 
522 struct vt1724_pcm_reg {
523 	unsigned int addr;	/* ADDR register offset */
524 	unsigned int size;	/* SIZE register offset */
525 	unsigned int count;	/* COUNT register offset */
526 	unsigned int start;	/* start & pause bit */
527 };
528 
529 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
530 {
531 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
532 	unsigned char what;
533 	unsigned char old;
534 	struct snd_pcm_substream *s;
535 
536 	what = 0;
537 	snd_pcm_group_for_each_entry(s, substream) {
538 		if (snd_pcm_substream_chip(s) == ice) {
539 			const struct vt1724_pcm_reg *reg;
540 			reg = s->runtime->private_data;
541 			what |= reg->start;
542 			snd_pcm_trigger_done(s, substream);
543 		}
544 	}
545 
546 	switch (cmd) {
547 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
548 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
549 		spin_lock(&ice->reg_lock);
550 		old = inb(ICEMT1724(ice, DMA_PAUSE));
551 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
552 			old |= what;
553 		else
554 			old &= ~what;
555 		outb(old, ICEMT1724(ice, DMA_PAUSE));
556 		spin_unlock(&ice->reg_lock);
557 		break;
558 
559 	case SNDRV_PCM_TRIGGER_START:
560 	case SNDRV_PCM_TRIGGER_STOP:
561 		spin_lock(&ice->reg_lock);
562 		old = inb(ICEMT1724(ice, DMA_CONTROL));
563 		if (cmd == SNDRV_PCM_TRIGGER_START)
564 			old |= what;
565 		else
566 			old &= ~what;
567 		outb(old, ICEMT1724(ice, DMA_CONTROL));
568 		spin_unlock(&ice->reg_lock);
569 		break;
570 
571 	default:
572 		return -EINVAL;
573 	}
574 	return 0;
575 }
576 
577 /*
578  */
579 
580 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
581 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
582 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
583 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
584 
585 static const unsigned int stdclock_rate_list[16] = {
586 	48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
587 	22050, 11025, 88200, 176400, 0, 192000, 64000
588 };
589 
590 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
591 {
592 	unsigned int rate;
593 	rate = stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
594 	return rate;
595 }
596 
597 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
598 {
599 	int i;
600 	for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
601 		if (stdclock_rate_list[i] == rate) {
602 			outb(i, ICEMT1724(ice, RATE));
603 			return;
604 		}
605 	}
606 }
607 
608 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
609 				       unsigned int rate)
610 {
611 	unsigned char val, old;
612 	/* check MT02 */
613 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
614 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
615 		if (rate > 96000)
616 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
617 		else
618 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
619 		if (val != old) {
620 			outb(val, ICEMT1724(ice, I2S_FORMAT));
621 			/* master clock changed */
622 			return 1;
623 		}
624 	}
625 	/* no change in master clock */
626 	return 0;
627 }
628 
629 static void snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
630 				    int force)
631 {
632 	unsigned long flags;
633 	unsigned char mclk_change;
634 	unsigned int i, old_rate;
635 
636 	if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
637 		return;
638 	spin_lock_irqsave(&ice->reg_lock, flags);
639 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
640 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
641 		/* running? we cannot change the rate now... */
642 		spin_unlock_irqrestore(&ice->reg_lock, flags);
643 		return;
644 	}
645 	if (!force && is_pro_rate_locked(ice)) {
646 		spin_unlock_irqrestore(&ice->reg_lock, flags);
647 		return;
648 	}
649 
650 	old_rate = ice->get_rate(ice);
651 	if (force || (old_rate != rate))
652 		ice->set_rate(ice, rate);
653 	else if (rate == ice->cur_rate) {
654 		spin_unlock_irqrestore(&ice->reg_lock, flags);
655 		return;
656 	}
657 
658 	ice->cur_rate = rate;
659 
660 	/* setting master clock */
661 	mclk_change = ice->set_mclk(ice, rate);
662 
663 	spin_unlock_irqrestore(&ice->reg_lock, flags);
664 
665 	if (mclk_change && ice->gpio.i2s_mclk_changed)
666 		ice->gpio.i2s_mclk_changed(ice);
667 	if (ice->gpio.set_pro_rate)
668 		ice->gpio.set_pro_rate(ice, rate);
669 
670 	/* set up codecs */
671 	for (i = 0; i < ice->akm_codecs; i++) {
672 		if (ice->akm[i].ops.set_rate_val)
673 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
674 	}
675 	if (ice->spdif.ops.setup_rate)
676 		ice->spdif.ops.setup_rate(ice, rate);
677 }
678 
679 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
680 				    struct snd_pcm_hw_params *hw_params)
681 {
682 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
683 	int i, chs;
684 
685 	chs = params_channels(hw_params);
686 	mutex_lock(&ice->open_mutex);
687 	/* mark surround channels */
688 	if (substream == ice->playback_pro_substream) {
689 		/* PDMA0 can be multi-channel up to 8 */
690 		chs = chs / 2 - 1;
691 		for (i = 0; i < chs; i++) {
692 			if (ice->pcm_reserved[i] &&
693 			    ice->pcm_reserved[i] != substream) {
694 				mutex_unlock(&ice->open_mutex);
695 				return -EBUSY;
696 			}
697 			ice->pcm_reserved[i] = substream;
698 		}
699 		for (; i < 3; i++) {
700 			if (ice->pcm_reserved[i] == substream)
701 				ice->pcm_reserved[i] = NULL;
702 		}
703 	} else {
704 		for (i = 0; i < 3; i++) {
705 			/* check individual playback stream */
706 			if (ice->playback_con_substream_ds[i] == substream) {
707 				if (ice->pcm_reserved[i] &&
708 				    ice->pcm_reserved[i] != substream) {
709 					mutex_unlock(&ice->open_mutex);
710 					return -EBUSY;
711 				}
712 				ice->pcm_reserved[i] = substream;
713 				break;
714 			}
715 		}
716 	}
717 	mutex_unlock(&ice->open_mutex);
718 	snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
719 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
720 }
721 
722 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
723 {
724 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
725 	int i;
726 
727 	mutex_lock(&ice->open_mutex);
728 	/* unmark surround channels */
729 	for (i = 0; i < 3; i++)
730 		if (ice->pcm_reserved[i] == substream)
731 			ice->pcm_reserved[i] = NULL;
732 	mutex_unlock(&ice->open_mutex);
733 	return snd_pcm_lib_free_pages(substream);
734 }
735 
736 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
737 {
738 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
739 	unsigned char val;
740 	unsigned int size;
741 
742 	spin_lock_irq(&ice->reg_lock);
743 	val = (8 - substream->runtime->channels) >> 1;
744 	outb(val, ICEMT1724(ice, BURST));
745 
746 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
747 
748 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
749 	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
750 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
751 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
752 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
753 	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
754 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
755 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
756 
757 	spin_unlock_irq(&ice->reg_lock);
758 
759 	/*
760 	printk(KERN_DEBUG "pro prepare: ch = %d, addr = 0x%x, "
761 	       "buffer = 0x%x, period = 0x%x\n",
762 	       substream->runtime->channels,
763 	       (unsigned int)substream->runtime->dma_addr,
764 	       snd_pcm_lib_buffer_bytes(substream),
765 	       snd_pcm_lib_period_bytes(substream));
766 	*/
767 	return 0;
768 }
769 
770 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
771 {
772 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
773 	size_t ptr;
774 
775 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
776 		return 0;
777 #if 0 /* read PLAYBACK_ADDR */
778 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
779 	if (ptr < substream->runtime->dma_addr) {
780 		snd_printd("ice1724: invalid negative ptr\n");
781 		return 0;
782 	}
783 	ptr -= substream->runtime->dma_addr;
784 	ptr = bytes_to_frames(substream->runtime, ptr);
785 	if (ptr >= substream->runtime->buffer_size) {
786 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
787 			   (int)ptr, (int)substream->runtime->period_size);
788 		return 0;
789 	}
790 #else /* read PLAYBACK_SIZE */
791 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
792 	ptr = (ptr + 1) << 2;
793 	ptr = bytes_to_frames(substream->runtime, ptr);
794 	if (!ptr)
795 		;
796 	else if (ptr <= substream->runtime->buffer_size)
797 		ptr = substream->runtime->buffer_size - ptr;
798 	else {
799 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
800 			   (int)ptr, (int)substream->runtime->buffer_size);
801 		ptr = 0;
802 	}
803 #endif
804 	return ptr;
805 }
806 
807 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
808 {
809 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
810 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
811 
812 	spin_lock_irq(&ice->reg_lock);
813 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
814 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
815 	     ice->profi_port + reg->size);
816 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
817 	     ice->profi_port + reg->count);
818 	spin_unlock_irq(&ice->reg_lock);
819 	return 0;
820 }
821 
822 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
823 {
824 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
825 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
826 	size_t ptr;
827 
828 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
829 		return 0;
830 #if 0 /* use ADDR register */
831 	ptr = inl(ice->profi_port + reg->addr);
832 	ptr -= substream->runtime->dma_addr;
833 	return bytes_to_frames(substream->runtime, ptr);
834 #else /* use SIZE register */
835 	ptr = inw(ice->profi_port + reg->size);
836 	ptr = (ptr + 1) << 2;
837 	ptr = bytes_to_frames(substream->runtime, ptr);
838 	if (!ptr)
839 		;
840 	else if (ptr <= substream->runtime->buffer_size)
841 		ptr = substream->runtime->buffer_size - ptr;
842 	else {
843 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
844 			   (int)ptr, (int)substream->runtime->buffer_size);
845 		ptr = 0;
846 	}
847 	return ptr;
848 #endif
849 }
850 
851 static const struct vt1724_pcm_reg vt1724_playback_pro_reg = {
852 	.addr = VT1724_MT_PLAYBACK_ADDR,
853 	.size = VT1724_MT_PLAYBACK_SIZE,
854 	.count = VT1724_MT_PLAYBACK_COUNT,
855 	.start = VT1724_PDMA0_START,
856 };
857 
858 static const struct vt1724_pcm_reg vt1724_capture_pro_reg = {
859 	.addr = VT1724_MT_CAPTURE_ADDR,
860 	.size = VT1724_MT_CAPTURE_SIZE,
861 	.count = VT1724_MT_CAPTURE_COUNT,
862 	.start = VT1724_RDMA0_START,
863 };
864 
865 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
866 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
867 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
868 				 SNDRV_PCM_INFO_MMAP_VALID |
869 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
870 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
871 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
872 	.rate_min =		8000,
873 	.rate_max =		192000,
874 	.channels_min =		2,
875 	.channels_max =		8,
876 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
877 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
878 	.period_bytes_max =	(1UL << 21),
879 	.periods_min =		2,
880 	.periods_max =		1024,
881 };
882 
883 static const struct snd_pcm_hardware snd_vt1724_spdif = {
884 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
885 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
886 				 SNDRV_PCM_INFO_MMAP_VALID |
887 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
888 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
889 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
890 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
891 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
892 				 SNDRV_PCM_RATE_192000),
893 	.rate_min =		32000,
894 	.rate_max =		192000,
895 	.channels_min =		2,
896 	.channels_max =		2,
897 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
898 	.period_bytes_min =	2 * 4 * 2,
899 	.period_bytes_max =	(1UL << 18),
900 	.periods_min =		2,
901 	.periods_max =		1024,
902 };
903 
904 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
905 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
906 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
907 				 SNDRV_PCM_INFO_MMAP_VALID |
908 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
909 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
910 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
911 	.rate_min =		8000,
912 	.rate_max =		192000,
913 	.channels_min =		2,
914 	.channels_max =		2,
915 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
916 	.period_bytes_min =	2 * 4 * 2,
917 	.period_bytes_max =	(1UL << 18),
918 	.periods_min =		2,
919 	.periods_max =		1024,
920 };
921 
922 /*
923  * set rate constraints
924  */
925 static void set_std_hw_rates(struct snd_ice1712 *ice)
926 {
927 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
928 		/* I2S */
929 		/* VT1720 doesn't support more than 96kHz */
930 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
931 			ice->hw_rates = &hw_constraints_rates_192;
932 		else
933 			ice->hw_rates = &hw_constraints_rates_96;
934 	} else {
935 		/* ACLINK */
936 		ice->hw_rates = &hw_constraints_rates_48;
937 	}
938 }
939 
940 static int set_rate_constraints(struct snd_ice1712 *ice,
941 				struct snd_pcm_substream *substream)
942 {
943 	struct snd_pcm_runtime *runtime = substream->runtime;
944 
945 	runtime->hw.rate_min = ice->hw_rates->list[0];
946 	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
947 	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
948 	return snd_pcm_hw_constraint_list(runtime, 0,
949 					  SNDRV_PCM_HW_PARAM_RATE,
950 					  ice->hw_rates);
951 }
952 
953 /* multi-channel playback needs alignment 8x32bit regardless of the channels
954  * actually used
955  */
956 #define VT1724_BUFFER_ALIGN	0x20
957 
958 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
959 {
960 	struct snd_pcm_runtime *runtime = substream->runtime;
961 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
962 	int chs, num_indeps;
963 
964 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
965 	ice->playback_pro_substream = substream;
966 	runtime->hw = snd_vt1724_playback_pro;
967 	snd_pcm_set_sync(substream);
968 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
969 	set_rate_constraints(ice, substream);
970 	mutex_lock(&ice->open_mutex);
971 	/* calculate the currently available channels */
972 	num_indeps = ice->num_total_dacs / 2 - 1;
973 	for (chs = 0; chs < num_indeps; chs++) {
974 		if (ice->pcm_reserved[chs])
975 			break;
976 	}
977 	chs = (chs + 1) * 2;
978 	runtime->hw.channels_max = chs;
979 	if (chs > 2) /* channels must be even */
980 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
981 	mutex_unlock(&ice->open_mutex);
982 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
983 				   VT1724_BUFFER_ALIGN);
984 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
985 				   VT1724_BUFFER_ALIGN);
986 	return 0;
987 }
988 
989 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
990 {
991 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
992 	struct snd_pcm_runtime *runtime = substream->runtime;
993 
994 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
995 	ice->capture_pro_substream = substream;
996 	runtime->hw = snd_vt1724_2ch_stereo;
997 	snd_pcm_set_sync(substream);
998 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
999 	set_rate_constraints(ice, substream);
1000 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1001 				   VT1724_BUFFER_ALIGN);
1002 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1003 				   VT1724_BUFFER_ALIGN);
1004 	return 0;
1005 }
1006 
1007 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1008 {
1009 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1010 
1011 	if (PRO_RATE_RESET)
1012 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1013 	ice->playback_pro_substream = NULL;
1014 
1015 	return 0;
1016 }
1017 
1018 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1019 {
1020 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1021 
1022 	if (PRO_RATE_RESET)
1023 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1024 	ice->capture_pro_substream = NULL;
1025 	return 0;
1026 }
1027 
1028 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1029 	.open =		snd_vt1724_playback_pro_open,
1030 	.close =	snd_vt1724_playback_pro_close,
1031 	.ioctl =	snd_pcm_lib_ioctl,
1032 	.hw_params =	snd_vt1724_pcm_hw_params,
1033 	.hw_free =	snd_vt1724_pcm_hw_free,
1034 	.prepare =	snd_vt1724_playback_pro_prepare,
1035 	.trigger =	snd_vt1724_pcm_trigger,
1036 	.pointer =	snd_vt1724_playback_pro_pointer,
1037 };
1038 
1039 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1040 	.open =		snd_vt1724_capture_pro_open,
1041 	.close =	snd_vt1724_capture_pro_close,
1042 	.ioctl =	snd_pcm_lib_ioctl,
1043 	.hw_params =	snd_vt1724_pcm_hw_params,
1044 	.hw_free =	snd_vt1724_pcm_hw_free,
1045 	.prepare =	snd_vt1724_pcm_prepare,
1046 	.trigger =	snd_vt1724_pcm_trigger,
1047 	.pointer =	snd_vt1724_pcm_pointer,
1048 };
1049 
1050 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1051 {
1052 	struct snd_pcm *pcm;
1053 	int err;
1054 
1055 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
1056 	if (err < 0)
1057 		return err;
1058 
1059 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1060 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
1061 
1062 	pcm->private_data = ice;
1063 	pcm->info_flags = 0;
1064 	strcpy(pcm->name, "ICE1724");
1065 
1066 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1067 					      snd_dma_pci_data(ice->pci),
1068 					      256*1024, 256*1024);
1069 
1070 	ice->pcm_pro = pcm;
1071 
1072 	return 0;
1073 }
1074 
1075 
1076 /*
1077  * SPDIF PCM
1078  */
1079 
1080 static const struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
1081 	.addr = VT1724_MT_PDMA4_ADDR,
1082 	.size = VT1724_MT_PDMA4_SIZE,
1083 	.count = VT1724_MT_PDMA4_COUNT,
1084 	.start = VT1724_PDMA4_START,
1085 };
1086 
1087 static const struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
1088 	.addr = VT1724_MT_RDMA1_ADDR,
1089 	.size = VT1724_MT_RDMA1_SIZE,
1090 	.count = VT1724_MT_RDMA1_COUNT,
1091 	.start = VT1724_RDMA1_START,
1092 };
1093 
1094 /* update spdif control bits; call with reg_lock */
1095 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1096 {
1097 	unsigned char cbit, disabled;
1098 
1099 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1100 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1101 	if (cbit != disabled)
1102 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1103 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1104 	if (cbit != disabled)
1105 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1106 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1107 }
1108 
1109 /* update SPDIF control bits according to the given rate */
1110 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1111 {
1112 	unsigned int val, nval;
1113 	unsigned long flags;
1114 
1115 	spin_lock_irqsave(&ice->reg_lock, flags);
1116 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1117 	nval &= ~(7 << 12);
1118 	switch (rate) {
1119 	case 44100: break;
1120 	case 48000: nval |= 2 << 12; break;
1121 	case 32000: nval |= 3 << 12; break;
1122 	case 88200: nval |= 4 << 12; break;
1123 	case 96000: nval |= 5 << 12; break;
1124 	case 192000: nval |= 6 << 12; break;
1125 	case 176400: nval |= 7 << 12; break;
1126 	}
1127 	if (val != nval)
1128 		update_spdif_bits(ice, nval);
1129 	spin_unlock_irqrestore(&ice->reg_lock, flags);
1130 }
1131 
1132 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1133 {
1134 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1135 	if (!ice->force_pdma4)
1136 		update_spdif_rate(ice, substream->runtime->rate);
1137 	return snd_vt1724_pcm_prepare(substream);
1138 }
1139 
1140 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1141 {
1142 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1143 	struct snd_pcm_runtime *runtime = substream->runtime;
1144 
1145 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1146 	ice->playback_con_substream = substream;
1147 	if (ice->force_pdma4) {
1148 		runtime->hw = snd_vt1724_2ch_stereo;
1149 		set_rate_constraints(ice, substream);
1150 	} else
1151 		runtime->hw = snd_vt1724_spdif;
1152 	snd_pcm_set_sync(substream);
1153 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1154 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1155 				   VT1724_BUFFER_ALIGN);
1156 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1157 				   VT1724_BUFFER_ALIGN);
1158 	if (ice->spdif.ops.open)
1159 		ice->spdif.ops.open(ice, substream);
1160 	return 0;
1161 }
1162 
1163 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1164 {
1165 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1166 
1167 	if (PRO_RATE_RESET)
1168 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1169 	ice->playback_con_substream = NULL;
1170 	if (ice->spdif.ops.close)
1171 		ice->spdif.ops.close(ice, substream);
1172 
1173 	return 0;
1174 }
1175 
1176 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1177 {
1178 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1179 	struct snd_pcm_runtime *runtime = substream->runtime;
1180 
1181 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1182 	ice->capture_con_substream = substream;
1183 	if (ice->force_rdma1) {
1184 		runtime->hw = snd_vt1724_2ch_stereo;
1185 		set_rate_constraints(ice, substream);
1186 	} else
1187 		runtime->hw = snd_vt1724_spdif;
1188 	snd_pcm_set_sync(substream);
1189 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1190 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1191 				   VT1724_BUFFER_ALIGN);
1192 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1193 				   VT1724_BUFFER_ALIGN);
1194 	if (ice->spdif.ops.open)
1195 		ice->spdif.ops.open(ice, substream);
1196 	return 0;
1197 }
1198 
1199 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1200 {
1201 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1202 
1203 	if (PRO_RATE_RESET)
1204 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1205 	ice->capture_con_substream = NULL;
1206 	if (ice->spdif.ops.close)
1207 		ice->spdif.ops.close(ice, substream);
1208 
1209 	return 0;
1210 }
1211 
1212 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1213 	.open =		snd_vt1724_playback_spdif_open,
1214 	.close =	snd_vt1724_playback_spdif_close,
1215 	.ioctl =	snd_pcm_lib_ioctl,
1216 	.hw_params =	snd_vt1724_pcm_hw_params,
1217 	.hw_free =	snd_vt1724_pcm_hw_free,
1218 	.prepare =	snd_vt1724_playback_spdif_prepare,
1219 	.trigger =	snd_vt1724_pcm_trigger,
1220 	.pointer =	snd_vt1724_pcm_pointer,
1221 };
1222 
1223 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1224 	.open =		snd_vt1724_capture_spdif_open,
1225 	.close =	snd_vt1724_capture_spdif_close,
1226 	.ioctl =	snd_pcm_lib_ioctl,
1227 	.hw_params =	snd_vt1724_pcm_hw_params,
1228 	.hw_free =	snd_vt1724_pcm_hw_free,
1229 	.prepare =	snd_vt1724_pcm_prepare,
1230 	.trigger =	snd_vt1724_pcm_trigger,
1231 	.pointer =	snd_vt1724_pcm_pointer,
1232 };
1233 
1234 
1235 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1236 {
1237 	char *name;
1238 	struct snd_pcm *pcm;
1239 	int play, capt;
1240 	int err;
1241 
1242 	if (ice->force_pdma4 ||
1243 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1244 		play = 1;
1245 		ice->has_spdif = 1;
1246 	} else
1247 		play = 0;
1248 	if (ice->force_rdma1 ||
1249 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1250 		capt = 1;
1251 		ice->has_spdif = 1;
1252 	} else
1253 		capt = 0;
1254 	if (!play && !capt)
1255 		return 0; /* no spdif device */
1256 
1257 	if (ice->force_pdma4 || ice->force_rdma1)
1258 		name = "ICE1724 Secondary";
1259 	else
1260 		name = "ICE1724 IEC958";
1261 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1262 	if (err < 0)
1263 		return err;
1264 
1265 	if (play)
1266 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1267 				&snd_vt1724_playback_spdif_ops);
1268 	if (capt)
1269 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1270 				&snd_vt1724_capture_spdif_ops);
1271 
1272 	pcm->private_data = ice;
1273 	pcm->info_flags = 0;
1274 	strcpy(pcm->name, name);
1275 
1276 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1277 					      snd_dma_pci_data(ice->pci),
1278 					      64*1024, 64*1024);
1279 
1280 	ice->pcm = pcm;
1281 
1282 	return 0;
1283 }
1284 
1285 
1286 /*
1287  * independent surround PCMs
1288  */
1289 
1290 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1291 	{
1292 		.addr = VT1724_MT_PDMA1_ADDR,
1293 		.size = VT1724_MT_PDMA1_SIZE,
1294 		.count = VT1724_MT_PDMA1_COUNT,
1295 		.start = VT1724_PDMA1_START,
1296 	},
1297 	{
1298 		.addr = VT1724_MT_PDMA2_ADDR,
1299 		.size = VT1724_MT_PDMA2_SIZE,
1300 		.count = VT1724_MT_PDMA2_COUNT,
1301 		.start = VT1724_PDMA2_START,
1302 	},
1303 	{
1304 		.addr = VT1724_MT_PDMA3_ADDR,
1305 		.size = VT1724_MT_PDMA3_SIZE,
1306 		.count = VT1724_MT_PDMA3_COUNT,
1307 		.start = VT1724_PDMA3_START,
1308 	},
1309 };
1310 
1311 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1312 {
1313 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1314 	unsigned char val;
1315 
1316 	spin_lock_irq(&ice->reg_lock);
1317 	val = 3 - substream->number;
1318 	if (inb(ICEMT1724(ice, BURST)) < val)
1319 		outb(val, ICEMT1724(ice, BURST));
1320 	spin_unlock_irq(&ice->reg_lock);
1321 	return snd_vt1724_pcm_prepare(substream);
1322 }
1323 
1324 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1325 {
1326 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1327 	struct snd_pcm_runtime *runtime = substream->runtime;
1328 
1329 	mutex_lock(&ice->open_mutex);
1330 	/* already used by PDMA0? */
1331 	if (ice->pcm_reserved[substream->number]) {
1332 		mutex_unlock(&ice->open_mutex);
1333 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1334 	}
1335 	mutex_unlock(&ice->open_mutex);
1336 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1337 	ice->playback_con_substream_ds[substream->number] = substream;
1338 	runtime->hw = snd_vt1724_2ch_stereo;
1339 	snd_pcm_set_sync(substream);
1340 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1341 	set_rate_constraints(ice, substream);
1342 	return 0;
1343 }
1344 
1345 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1346 {
1347 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1348 
1349 	if (PRO_RATE_RESET)
1350 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1351 	ice->playback_con_substream_ds[substream->number] = NULL;
1352 	ice->pcm_reserved[substream->number] = NULL;
1353 
1354 	return 0;
1355 }
1356 
1357 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1358 	.open =		snd_vt1724_playback_indep_open,
1359 	.close =	snd_vt1724_playback_indep_close,
1360 	.ioctl =	snd_pcm_lib_ioctl,
1361 	.hw_params =	snd_vt1724_pcm_hw_params,
1362 	.hw_free =	snd_vt1724_pcm_hw_free,
1363 	.prepare =	snd_vt1724_playback_indep_prepare,
1364 	.trigger =	snd_vt1724_pcm_trigger,
1365 	.pointer =	snd_vt1724_pcm_pointer,
1366 };
1367 
1368 
1369 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1370 {
1371 	struct snd_pcm *pcm;
1372 	int play;
1373 	int err;
1374 
1375 	play = ice->num_total_dacs / 2 - 1;
1376 	if (play <= 0)
1377 		return 0;
1378 
1379 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1380 	if (err < 0)
1381 		return err;
1382 
1383 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1384 			&snd_vt1724_playback_indep_ops);
1385 
1386 	pcm->private_data = ice;
1387 	pcm->info_flags = 0;
1388 	strcpy(pcm->name, "ICE1724 Surround PCM");
1389 
1390 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1391 					      snd_dma_pci_data(ice->pci),
1392 					      64*1024, 64*1024);
1393 
1394 	ice->pcm_ds = pcm;
1395 
1396 	return 0;
1397 }
1398 
1399 
1400 /*
1401  *  Mixer section
1402  */
1403 
1404 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1405 {
1406 	int err;
1407 
1408 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1409 		struct snd_ac97_bus *pbus;
1410 		struct snd_ac97_template ac97;
1411 		static struct snd_ac97_bus_ops ops = {
1412 			.write = snd_vt1724_ac97_write,
1413 			.read = snd_vt1724_ac97_read,
1414 		};
1415 
1416 		/* cold reset */
1417 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1418 		mdelay(5); /* FIXME */
1419 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1420 
1421 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1422 		if (err < 0)
1423 			return err;
1424 		memset(&ac97, 0, sizeof(ac97));
1425 		ac97.private_data = ice;
1426 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1427 		if (err < 0)
1428 			printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1429 		else
1430 			return 0;
1431 	}
1432 	/* I2S mixer only */
1433 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1434 	return 0;
1435 }
1436 
1437 /*
1438  *
1439  */
1440 
1441 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1442 {
1443 	return (unsigned int)ice->eeprom.data[idx] | \
1444 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1445 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1446 }
1447 
1448 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1449 				 struct snd_info_buffer *buffer)
1450 {
1451 	struct snd_ice1712 *ice = entry->private_data;
1452 	unsigned int idx;
1453 
1454 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1455 	snd_iprintf(buffer, "EEPROM:\n");
1456 
1457 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1458 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1459 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1460 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1461 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1462 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1463 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1464 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1465 		    ice->eeprom.data[ICE_EEP2_I2S]);
1466 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1467 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1468 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1469 		    ice->eeprom.gpiodir);
1470 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1471 		    ice->eeprom.gpiomask);
1472 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1473 		    ice->eeprom.gpiostate);
1474 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1475 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1476 			    idx, ice->eeprom.data[idx]);
1477 
1478 	snd_iprintf(buffer, "\nRegisters:\n");
1479 
1480 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1481 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1482 	for (idx = 0x0; idx < 0x20 ; idx++)
1483 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1484 			    idx, inb(ice->port+idx));
1485 	for (idx = 0x0; idx < 0x30 ; idx++)
1486 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1487 			    idx, inb(ice->profi_port+idx));
1488 }
1489 
1490 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 *ice)
1491 {
1492 	struct snd_info_entry *entry;
1493 
1494 	if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1495 		snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1496 }
1497 
1498 /*
1499  *
1500  */
1501 
1502 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1503 				  struct snd_ctl_elem_info *uinfo)
1504 {
1505 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1506 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1507 	return 0;
1508 }
1509 
1510 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1511 				 struct snd_ctl_elem_value *ucontrol)
1512 {
1513 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1514 
1515 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1516 	return 0;
1517 }
1518 
1519 static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1520 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1521 	.name = "ICE1724 EEPROM",
1522 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1523 	.info = snd_vt1724_eeprom_info,
1524 	.get = snd_vt1724_eeprom_get
1525 };
1526 
1527 /*
1528  */
1529 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1530 				 struct snd_ctl_elem_info *uinfo)
1531 {
1532 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1533 	uinfo->count = 1;
1534 	return 0;
1535 }
1536 
1537 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1538 {
1539 	unsigned int val, rbits;
1540 
1541 	val = diga->status[0] & 0x03; /* professional, non-audio */
1542 	if (val & 0x01) {
1543 		/* professional */
1544 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1545 		    IEC958_AES0_PRO_EMPHASIS_5015)
1546 			val |= 1U << 3;
1547 		rbits = (diga->status[4] >> 3) & 0x0f;
1548 		if (rbits) {
1549 			switch (rbits) {
1550 			case 2: val |= 5 << 12; break; /* 96k */
1551 			case 3: val |= 6 << 12; break; /* 192k */
1552 			case 10: val |= 4 << 12; break; /* 88.2k */
1553 			case 11: val |= 7 << 12; break; /* 176.4k */
1554 			}
1555 		} else {
1556 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1557 			case IEC958_AES0_PRO_FS_44100:
1558 				break;
1559 			case IEC958_AES0_PRO_FS_32000:
1560 				val |= 3U << 12;
1561 				break;
1562 			default:
1563 				val |= 2U << 12;
1564 				break;
1565 			}
1566 		}
1567 	} else {
1568 		/* consumer */
1569 		val |= diga->status[1] & 0x04; /* copyright */
1570 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1571 		    IEC958_AES0_CON_EMPHASIS_5015)
1572 			val |= 1U << 3;
1573 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1574 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1575 	}
1576 	return val;
1577 }
1578 
1579 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1580 {
1581 	memset(diga->status, 0, sizeof(diga->status));
1582 	diga->status[0] = val & 0x03; /* professional, non-audio */
1583 	if (val & 0x01) {
1584 		/* professional */
1585 		if (val & (1U << 3))
1586 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1587 		switch ((val >> 12) & 0x7) {
1588 		case 0:
1589 			break;
1590 		case 2:
1591 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1592 			break;
1593 		default:
1594 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1595 			break;
1596 		}
1597 	} else {
1598 		/* consumer */
1599 		diga->status[0] |= val & (1U << 2); /* copyright */
1600 		if (val & (1U << 3))
1601 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1602 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1603 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1604 	}
1605 }
1606 
1607 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1608 					struct snd_ctl_elem_value *ucontrol)
1609 {
1610 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1611 	unsigned int val;
1612 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1613 	decode_spdif_bits(&ucontrol->value.iec958, val);
1614 	return 0;
1615 }
1616 
1617 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1618 					 struct snd_ctl_elem_value *ucontrol)
1619 {
1620 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1621 	unsigned int val, old;
1622 
1623 	val = encode_spdif_bits(&ucontrol->value.iec958);
1624 	spin_lock_irq(&ice->reg_lock);
1625 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1626 	if (val != old)
1627 		update_spdif_bits(ice, val);
1628 	spin_unlock_irq(&ice->reg_lock);
1629 	return val != old;
1630 }
1631 
1632 static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1633 {
1634 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1635 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1636 	.info =		snd_vt1724_spdif_info,
1637 	.get =		snd_vt1724_spdif_default_get,
1638 	.put =		snd_vt1724_spdif_default_put
1639 };
1640 
1641 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1642 				       struct snd_ctl_elem_value *ucontrol)
1643 {
1644 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1645 						     IEC958_AES0_PROFESSIONAL |
1646 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1647 						     IEC958_AES0_CON_EMPHASIS;
1648 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1649 						     IEC958_AES1_CON_CATEGORY;
1650 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1651 	return 0;
1652 }
1653 
1654 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1655 				       struct snd_ctl_elem_value *ucontrol)
1656 {
1657 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1658 						     IEC958_AES0_PROFESSIONAL |
1659 						     IEC958_AES0_PRO_FS |
1660 						     IEC958_AES0_PRO_EMPHASIS;
1661 	return 0;
1662 }
1663 
1664 static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1665 {
1666 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1667 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1668 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1669 	.info =		snd_vt1724_spdif_info,
1670 	.get =		snd_vt1724_spdif_maskc_get,
1671 };
1672 
1673 static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1674 {
1675 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1676 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1677 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1678 	.info =		snd_vt1724_spdif_info,
1679 	.get =		snd_vt1724_spdif_maskp_get,
1680 };
1681 
1682 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1683 
1684 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1685 				   struct snd_ctl_elem_value *ucontrol)
1686 {
1687 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1688 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1689 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1690 	return 0;
1691 }
1692 
1693 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1694 				   struct snd_ctl_elem_value *ucontrol)
1695 {
1696 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1697 	unsigned char old, val;
1698 
1699 	spin_lock_irq(&ice->reg_lock);
1700 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1701 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1702 	if (ucontrol->value.integer.value[0])
1703 		val |= VT1724_CFG_SPDIF_OUT_EN;
1704 	if (old != val)
1705 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1706 	spin_unlock_irq(&ice->reg_lock);
1707 	return old != val;
1708 }
1709 
1710 static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1711 {
1712 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1713 	/* FIXME: the following conflict with IEC958 Playback Route */
1714 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1715 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1716 	.info =		snd_vt1724_spdif_sw_info,
1717 	.get =		snd_vt1724_spdif_sw_get,
1718 	.put =		snd_vt1724_spdif_sw_put
1719 };
1720 
1721 
1722 #if 0 /* NOT USED YET */
1723 /*
1724  * GPIO access from extern
1725  */
1726 
1727 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1728 
1729 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1730 			struct snd_ctl_elem_value *ucontrol)
1731 {
1732 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1733 	int shift = kcontrol->private_value & 0xff;
1734 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1735 
1736 	snd_ice1712_save_gpio_status(ice);
1737 	ucontrol->value.integer.value[0] =
1738 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1739 	snd_ice1712_restore_gpio_status(ice);
1740 	return 0;
1741 }
1742 
1743 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1744 			 struct snd_ctl_elem_value *ucontrol)
1745 {
1746 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1747 	int shift = kcontrol->private_value & 0xff;
1748 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1749 	unsigned int val, nval;
1750 
1751 	if (kcontrol->private_value & (1 << 31))
1752 		return -EPERM;
1753 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1754 	snd_ice1712_save_gpio_status(ice);
1755 	val = snd_ice1712_gpio_read(ice);
1756 	nval |= val & ~(1 << shift);
1757 	if (val != nval)
1758 		snd_ice1712_gpio_write(ice, nval);
1759 	snd_ice1712_restore_gpio_status(ice);
1760 	return val != nval;
1761 }
1762 #endif /* NOT USED YET */
1763 
1764 /*
1765  *  rate
1766  */
1767 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1768 					      struct snd_ctl_elem_info *uinfo)
1769 {
1770 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1771 
1772 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1773 	uinfo->count = 1;
1774 	uinfo->value.enumerated.items = ice->hw_rates->count + 1;
1775 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1776 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1777 	if (uinfo->value.enumerated.item == uinfo->value.enumerated.items - 1)
1778 		strcpy(uinfo->value.enumerated.name, "IEC958 Input");
1779 	else
1780 		sprintf(uinfo->value.enumerated.name, "%d",
1781 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1782 	return 0;
1783 }
1784 
1785 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1786 					     struct snd_ctl_elem_value *ucontrol)
1787 {
1788 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1789 	unsigned int i, rate;
1790 
1791 	spin_lock_irq(&ice->reg_lock);
1792 	if (ice->is_spdif_master(ice)) {
1793 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count;
1794 	} else {
1795 		rate = ice->get_rate(ice);
1796 		ucontrol->value.enumerated.item[0] = 0;
1797 		for (i = 0; i < ice->hw_rates->count; i++) {
1798 			if (ice->hw_rates->list[i] == rate) {
1799 				ucontrol->value.enumerated.item[0] = i;
1800 				break;
1801 			}
1802 		}
1803 	}
1804 	spin_unlock_irq(&ice->reg_lock);
1805 	return 0;
1806 }
1807 
1808 /* setting clock to external - SPDIF */
1809 static void stdclock_set_spdif_clock(struct snd_ice1712 *ice)
1810 {
1811 	unsigned char oval;
1812 	unsigned char i2s_oval;
1813 	oval = inb(ICEMT1724(ice, RATE));
1814 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1815 	/* setting 256fs */
1816 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1817 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1818 }
1819 
1820 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1821 					     struct snd_ctl_elem_value *ucontrol)
1822 {
1823 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1824 	unsigned int old_rate, new_rate;
1825 	unsigned int item = ucontrol->value.enumerated.item[0];
1826 	unsigned int spdif = ice->hw_rates->count;
1827 
1828 	if (item > spdif)
1829 		return -EINVAL;
1830 
1831 	spin_lock_irq(&ice->reg_lock);
1832 	if (ice->is_spdif_master(ice))
1833 		old_rate = 0;
1834 	else
1835 		old_rate = ice->get_rate(ice);
1836 	if (item == spdif) {
1837 		/* switching to external clock via SPDIF */
1838 		ice->set_spdif_clock(ice);
1839 		new_rate = 0;
1840 	} else {
1841 		/* internal on-card clock */
1842 		new_rate = ice->hw_rates->list[item];
1843 		ice->pro_rate_default = new_rate;
1844 		spin_unlock_irq(&ice->reg_lock);
1845 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1846 		spin_lock_irq(&ice->reg_lock);
1847 	}
1848 	spin_unlock_irq(&ice->reg_lock);
1849 
1850 	/* the first reset to the SPDIF master mode? */
1851 	if (old_rate != new_rate && !new_rate) {
1852 		/* notify akm chips as well */
1853 		unsigned int i;
1854 		if (ice->gpio.set_pro_rate)
1855 			ice->gpio.set_pro_rate(ice, 0);
1856 		for (i = 0; i < ice->akm_codecs; i++) {
1857 			if (ice->akm[i].ops.set_rate_val)
1858 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1859 		}
1860 	}
1861 	return old_rate != new_rate;
1862 }
1863 
1864 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1865 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1866 	.name = "Multi Track Internal Clock",
1867 	.info = snd_vt1724_pro_internal_clock_info,
1868 	.get = snd_vt1724_pro_internal_clock_get,
1869 	.put = snd_vt1724_pro_internal_clock_put
1870 };
1871 
1872 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1873 
1874 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1875 					   struct snd_ctl_elem_value *ucontrol)
1876 {
1877 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1878 	return 0;
1879 }
1880 
1881 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1882 					   struct snd_ctl_elem_value *ucontrol)
1883 {
1884 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1885 	int change = 0, nval;
1886 
1887 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1888 	spin_lock_irq(&ice->reg_lock);
1889 	change = PRO_RATE_LOCKED != nval;
1890 	PRO_RATE_LOCKED = nval;
1891 	spin_unlock_irq(&ice->reg_lock);
1892 	return change;
1893 }
1894 
1895 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1896 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1897 	.name = "Multi Track Rate Locking",
1898 	.info = snd_vt1724_pro_rate_locking_info,
1899 	.get = snd_vt1724_pro_rate_locking_get,
1900 	.put = snd_vt1724_pro_rate_locking_put
1901 };
1902 
1903 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1904 
1905 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1906 					 struct snd_ctl_elem_value *ucontrol)
1907 {
1908 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1909 	return 0;
1910 }
1911 
1912 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1913 					 struct snd_ctl_elem_value *ucontrol)
1914 {
1915 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1916 	int change = 0, nval;
1917 
1918 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1919 	spin_lock_irq(&ice->reg_lock);
1920 	change = PRO_RATE_RESET != nval;
1921 	PRO_RATE_RESET = nval;
1922 	spin_unlock_irq(&ice->reg_lock);
1923 	return change;
1924 }
1925 
1926 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1927 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1928 	.name = "Multi Track Rate Reset",
1929 	.info = snd_vt1724_pro_rate_reset_info,
1930 	.get = snd_vt1724_pro_rate_reset_get,
1931 	.put = snd_vt1724_pro_rate_reset_put
1932 };
1933 
1934 
1935 /*
1936  * routing
1937  */
1938 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1939 				     struct snd_ctl_elem_info *uinfo)
1940 {
1941 	static char *texts[] = {
1942 		"PCM Out", /* 0 */
1943 		"H/W In 0", "H/W In 1", /* 1-2 */
1944 		"IEC958 In L", "IEC958 In R", /* 3-4 */
1945 	};
1946 
1947 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1948 	uinfo->count = 1;
1949 	uinfo->value.enumerated.items = 5;
1950 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1951 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1952 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1953 	return 0;
1954 }
1955 
1956 static inline int analog_route_shift(int idx)
1957 {
1958 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1959 }
1960 
1961 static inline int digital_route_shift(int idx)
1962 {
1963 	return idx * 3;
1964 }
1965 
1966 static int get_route_val(struct snd_ice1712 *ice, int shift)
1967 {
1968 	unsigned long val;
1969 	unsigned char eitem;
1970 	static const unsigned char xlate[8] = {
1971 		0, 255, 1, 2, 255, 255, 3, 4,
1972 	};
1973 
1974 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1975 	val >>= shift;
1976 	val &= 7; /* we now have 3 bits per output */
1977 	eitem = xlate[val];
1978 	if (eitem == 255) {
1979 		snd_BUG();
1980 		return 0;
1981 	}
1982 	return eitem;
1983 }
1984 
1985 static int put_route_val(struct snd_ice1712 *ice, unsigned int val, int shift)
1986 {
1987 	unsigned int old_val, nval;
1988 	int change;
1989 	static const unsigned char xroute[8] = {
1990 		0, /* PCM */
1991 		2, /* PSDIN0 Left */
1992 		3, /* PSDIN0 Right */
1993 		6, /* SPDIN Left */
1994 		7, /* SPDIN Right */
1995 	};
1996 
1997 	nval = xroute[val % 5];
1998 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1999 	val &= ~(0x07 << shift);
2000 	val |= nval << shift;
2001 	change = val != old_val;
2002 	if (change)
2003 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2004 	return change;
2005 }
2006 
2007 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2008 					   struct snd_ctl_elem_value *ucontrol)
2009 {
2010 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2011 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2012 	ucontrol->value.enumerated.item[0] =
2013 		get_route_val(ice, analog_route_shift(idx));
2014 	return 0;
2015 }
2016 
2017 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2018 					   struct snd_ctl_elem_value *ucontrol)
2019 {
2020 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2021 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2022 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
2023 			     analog_route_shift(idx));
2024 }
2025 
2026 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2027 					  struct snd_ctl_elem_value *ucontrol)
2028 {
2029 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2030 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2031 	ucontrol->value.enumerated.item[0] =
2032 		get_route_val(ice, digital_route_shift(idx));
2033 	return 0;
2034 }
2035 
2036 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2037 					  struct snd_ctl_elem_value *ucontrol)
2038 {
2039 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2040 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2041 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
2042 			     digital_route_shift(idx));
2043 }
2044 
2045 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata = {
2046 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2047 	.name = "H/W Playback Route",
2048 	.info = snd_vt1724_pro_route_info,
2049 	.get = snd_vt1724_pro_route_analog_get,
2050 	.put = snd_vt1724_pro_route_analog_put,
2051 };
2052 
2053 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
2054 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2055 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2056 	.info = snd_vt1724_pro_route_info,
2057 	.get = snd_vt1724_pro_route_spdif_get,
2058 	.put = snd_vt1724_pro_route_spdif_put,
2059 	.count = 2,
2060 };
2061 
2062 
2063 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2064 				    struct snd_ctl_elem_info *uinfo)
2065 {
2066 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2067 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2068 	uinfo->value.integer.min = 0;
2069 	uinfo->value.integer.max = 255;
2070 	return 0;
2071 }
2072 
2073 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2074 				   struct snd_ctl_elem_value *ucontrol)
2075 {
2076 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2077 	int idx;
2078 
2079 	spin_lock_irq(&ice->reg_lock);
2080 	for (idx = 0; idx < 22; idx++) {
2081 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2082 		ucontrol->value.integer.value[idx] =
2083 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2084 	}
2085 	spin_unlock_irq(&ice->reg_lock);
2086 	return 0;
2087 }
2088 
2089 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
2090 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2091 	.name = "Multi Track Peak",
2092 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2093 	.info = snd_vt1724_pro_peak_info,
2094 	.get = snd_vt1724_pro_peak_get
2095 };
2096 
2097 /*
2098  *
2099  */
2100 
2101 static struct snd_ice1712_card_info no_matched __devinitdata;
2102 
2103 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
2104 	snd_vt1724_revo_cards,
2105 	snd_vt1724_amp_cards,
2106 	snd_vt1724_aureon_cards,
2107 	snd_vt1720_mobo_cards,
2108 	snd_vt1720_pontis_cards,
2109 	snd_vt1724_prodigy_hifi_cards,
2110 	snd_vt1724_prodigy192_cards,
2111 	snd_vt1724_juli_cards,
2112 	snd_vt1724_phase_cards,
2113 	snd_vt1724_wtm_cards,
2114 	snd_vt1724_se_cards,
2115 	NULL,
2116 };
2117 
2118 
2119 /*
2120  */
2121 
2122 static void wait_i2c_busy(struct snd_ice1712 *ice)
2123 {
2124 	int t = 0x10000;
2125 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2126 		;
2127 	if (t == -1)
2128 		printk(KERN_ERR "ice1724: i2c busy timeout\n");
2129 }
2130 
2131 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2132 				  unsigned char dev, unsigned char addr)
2133 {
2134 	unsigned char val;
2135 
2136 	mutex_lock(&ice->i2c_mutex);
2137 	wait_i2c_busy(ice);
2138 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2139 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2140 	wait_i2c_busy(ice);
2141 	val = inb(ICEREG1724(ice, I2C_DATA));
2142 	mutex_unlock(&ice->i2c_mutex);
2143 	/*
2144 	printk(KERN_DEBUG "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2145 	*/
2146 	return val;
2147 }
2148 
2149 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2150 			  unsigned char dev, unsigned char addr, unsigned char data)
2151 {
2152 	mutex_lock(&ice->i2c_mutex);
2153 	wait_i2c_busy(ice);
2154 	/*
2155 	printk(KERN_DEBUG "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2156 	*/
2157 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2158 	outb(data, ICEREG1724(ice, I2C_DATA));
2159 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2160 	wait_i2c_busy(ice);
2161 	mutex_unlock(&ice->i2c_mutex);
2162 }
2163 
2164 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2165 					    const char *modelname)
2166 {
2167 	const int dev = 0xa0;		/* EEPROM device address */
2168 	unsigned int i, size;
2169 	struct snd_ice1712_card_info * const *tbl, *c;
2170 
2171 	if (!modelname || !*modelname) {
2172 		ice->eeprom.subvendor = 0;
2173 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2174 			ice->eeprom.subvendor =
2175 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2176 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2177 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2178 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2179 		if (ice->eeprom.subvendor == 0 ||
2180 		    ice->eeprom.subvendor == (unsigned int)-1) {
2181 			/* invalid subvendor from EEPROM, try the PCI
2182 			 * subststem ID instead
2183 			 */
2184 			u16 vendor, device;
2185 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2186 					     &vendor);
2187 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2188 			ice->eeprom.subvendor =
2189 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2190 			if (ice->eeprom.subvendor == 0 ||
2191 			    ice->eeprom.subvendor == (unsigned int)-1) {
2192 				printk(KERN_ERR "ice1724: No valid ID is found\n");
2193 				return -ENXIO;
2194 			}
2195 		}
2196 	}
2197 	for (tbl = card_tables; *tbl; tbl++) {
2198 		for (c = *tbl; c->subvendor; c++) {
2199 			if (modelname && c->model &&
2200 			    !strcmp(modelname, c->model)) {
2201 				printk(KERN_INFO "ice1724: Using board model %s\n",
2202 				       c->name);
2203 				ice->eeprom.subvendor = c->subvendor;
2204 			} else if (c->subvendor != ice->eeprom.subvendor)
2205 				continue;
2206 			if (!c->eeprom_size || !c->eeprom_data)
2207 				goto found;
2208 			/* if the EEPROM is given by the driver, use it */
2209 			snd_printdd("using the defined eeprom..\n");
2210 			ice->eeprom.version = 2;
2211 			ice->eeprom.size = c->eeprom_size + 6;
2212 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2213 			goto read_skipped;
2214 		}
2215 	}
2216 	printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2217 	       ice->eeprom.subvendor);
2218 
2219  found:
2220 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2221 	if (ice->eeprom.size < 6)
2222 		ice->eeprom.size = 32;
2223 	else if (ice->eeprom.size > 32) {
2224 		printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2225 		       ice->eeprom.size);
2226 		return -EIO;
2227 	}
2228 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2229 	if (ice->eeprom.version != 2)
2230 		printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2231 		       ice->eeprom.version);
2232 	size = ice->eeprom.size - 6;
2233 	for (i = 0; i < size; i++)
2234 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2235 
2236  read_skipped:
2237 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2238 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2239 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2240 
2241 	return 0;
2242 }
2243 
2244 
2245 
2246 static void __devinit snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2247 {
2248 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2249 	msleep(10);
2250 	outb(0, ICEREG1724(ice, CONTROL));
2251 	msleep(10);
2252 }
2253 
2254 static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice)
2255 {
2256 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2257 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2258 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2259 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2260 
2261 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2262 	ice->gpio.direction = ice->eeprom.gpiodir;
2263 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2264 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2265 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2266 
2267 	outb(0, ICEREG1724(ice, POWERDOWN));
2268 
2269 	return 0;
2270 }
2271 
2272 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2273 {
2274 	int err;
2275 	struct snd_kcontrol *kctl;
2276 
2277 	if (snd_BUG_ON(!ice->pcm))
2278 		return -EIO;
2279 
2280 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2281 	if (err < 0)
2282 		return err;
2283 
2284 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2285 	if (err < 0)
2286 		return err;
2287 
2288 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2289 	if (err < 0)
2290 		return err;
2291 	kctl->id.device = ice->pcm->device;
2292 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2293 	if (err < 0)
2294 		return err;
2295 	kctl->id.device = ice->pcm->device;
2296 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2297 	if (err < 0)
2298 		return err;
2299 	kctl->id.device = ice->pcm->device;
2300 #if 0 /* use default only */
2301 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2302 	if (err < 0)
2303 		return err;
2304 	kctl->id.device = ice->pcm->device;
2305 	ice->spdif.stream_ctl = kctl;
2306 #endif
2307 	return 0;
2308 }
2309 
2310 
2311 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2312 {
2313 	int err;
2314 
2315 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2316 	if (err < 0)
2317 		return err;
2318 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2319 	if (err < 0)
2320 		return err;
2321 
2322 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2323 	if (err < 0)
2324 		return err;
2325 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2326 	if (err < 0)
2327 		return err;
2328 
2329 	if (ice->num_total_dacs > 0) {
2330 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2331 		tmp.count = ice->num_total_dacs;
2332 		if (ice->vt1720 && tmp.count > 2)
2333 			tmp.count = 2;
2334 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2335 		if (err < 0)
2336 			return err;
2337 	}
2338 
2339 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2340 	if (err < 0)
2341 		return err;
2342 
2343 	return 0;
2344 }
2345 
2346 static int snd_vt1724_free(struct snd_ice1712 *ice)
2347 {
2348 	if (!ice->port)
2349 		goto __hw_end;
2350 	/* mask all interrupts */
2351 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2352 	outb(0xff, ICEREG1724(ice, IRQMASK));
2353 	/* --- */
2354 __hw_end:
2355 	if (ice->irq >= 0)
2356 		free_irq(ice->irq, ice);
2357 	pci_release_regions(ice->pci);
2358 	snd_ice1712_akm4xxx_free(ice);
2359 	pci_disable_device(ice->pci);
2360 	kfree(ice->spec);
2361 	kfree(ice);
2362 	return 0;
2363 }
2364 
2365 static int snd_vt1724_dev_free(struct snd_device *device)
2366 {
2367 	struct snd_ice1712 *ice = device->device_data;
2368 	return snd_vt1724_free(ice);
2369 }
2370 
2371 static int __devinit snd_vt1724_create(struct snd_card *card,
2372 				       struct pci_dev *pci,
2373 				       const char *modelname,
2374 				       struct snd_ice1712 **r_ice1712)
2375 {
2376 	struct snd_ice1712 *ice;
2377 	int err;
2378 	static struct snd_device_ops ops = {
2379 		.dev_free =	snd_vt1724_dev_free,
2380 	};
2381 
2382 	*r_ice1712 = NULL;
2383 
2384 	/* enable PCI device */
2385 	err = pci_enable_device(pci);
2386 	if (err < 0)
2387 		return err;
2388 
2389 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2390 	if (ice == NULL) {
2391 		pci_disable_device(pci);
2392 		return -ENOMEM;
2393 	}
2394 	ice->vt1724 = 1;
2395 	spin_lock_init(&ice->reg_lock);
2396 	mutex_init(&ice->gpio_mutex);
2397 	mutex_init(&ice->open_mutex);
2398 	mutex_init(&ice->i2c_mutex);
2399 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2400 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2401 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2402 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2403 	ice->card = card;
2404 	ice->pci = pci;
2405 	ice->irq = -1;
2406 	pci_set_master(pci);
2407 	snd_vt1724_proc_init(ice);
2408 	synchronize_irq(pci->irq);
2409 
2410 	err = pci_request_regions(pci, "ICE1724");
2411 	if (err < 0) {
2412 		kfree(ice);
2413 		pci_disable_device(pci);
2414 		return err;
2415 	}
2416 	ice->port = pci_resource_start(pci, 0);
2417 	ice->profi_port = pci_resource_start(pci, 1);
2418 
2419 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2420 			IRQF_SHARED, "ICE1724", ice)) {
2421 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2422 		snd_vt1724_free(ice);
2423 		return -EIO;
2424 	}
2425 
2426 	ice->irq = pci->irq;
2427 
2428 	snd_vt1724_chip_reset(ice);
2429 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2430 		snd_vt1724_free(ice);
2431 		return -EIO;
2432 	}
2433 	if (snd_vt1724_chip_init(ice) < 0) {
2434 		snd_vt1724_free(ice);
2435 		return -EIO;
2436 	}
2437 
2438 	/* MPU_RX and TX irq masks are cleared later dynamically */
2439 	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2440 
2441 	/* don't handle FIFO overrun/underruns (just yet),
2442 	 * since they cause machine lockups
2443 	 */
2444 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2445 
2446 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2447 	if (err < 0) {
2448 		snd_vt1724_free(ice);
2449 		return err;
2450 	}
2451 
2452 	snd_card_set_dev(card, &pci->dev);
2453 
2454 	*r_ice1712 = ice;
2455 	return 0;
2456 }
2457 
2458 
2459 /*
2460  *
2461  * Registration
2462  *
2463  */
2464 
2465 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2466 				      const struct pci_device_id *pci_id)
2467 {
2468 	static int dev;
2469 	struct snd_card *card;
2470 	struct snd_ice1712 *ice;
2471 	int pcm_dev = 0, err;
2472 	struct snd_ice1712_card_info * const *tbl, *c;
2473 
2474 	if (dev >= SNDRV_CARDS)
2475 		return -ENODEV;
2476 	if (!enable[dev]) {
2477 		dev++;
2478 		return -ENOENT;
2479 	}
2480 
2481 	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2482 	if (err < 0)
2483 		return err;
2484 
2485 	strcpy(card->driver, "ICE1724");
2486 	strcpy(card->shortname, "ICEnsemble ICE1724");
2487 
2488 	err = snd_vt1724_create(card, pci, model[dev], &ice);
2489 	if (err < 0) {
2490 		snd_card_free(card);
2491 		return err;
2492 	}
2493 
2494 	for (tbl = card_tables; *tbl; tbl++) {
2495 		for (c = *tbl; c->subvendor; c++) {
2496 			if (c->subvendor == ice->eeprom.subvendor) {
2497 				strcpy(card->shortname, c->name);
2498 				if (c->driver) /* specific driver? */
2499 					strcpy(card->driver, c->driver);
2500 				if (c->chip_init) {
2501 					err = c->chip_init(ice);
2502 					if (err < 0) {
2503 						snd_card_free(card);
2504 						return err;
2505 					}
2506 				}
2507 				goto __found;
2508 			}
2509 		}
2510 	}
2511 	c = &no_matched;
2512 __found:
2513 	/*
2514 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2515 	* ICE1712 has only one for both (mixed up).
2516 	*
2517 	* Confusingly the analog PCM is named "professional" here because it
2518 	* was called so in ice1712 driver, and vt1724 driver is derived from
2519 	* ice1712 driver.
2520 	*/
2521 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2522 	if (!ice->is_spdif_master)
2523 		ice->is_spdif_master = stdclock_is_spdif_master;
2524 	if (!ice->get_rate)
2525 		ice->get_rate = stdclock_get_rate;
2526 	if (!ice->set_rate)
2527 		ice->set_rate = stdclock_set_rate;
2528 	if (!ice->set_mclk)
2529 		ice->set_mclk = stdclock_set_mclk;
2530 	if (!ice->set_spdif_clock)
2531 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2532 	if (!ice->hw_rates)
2533 		set_std_hw_rates(ice);
2534 
2535 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2536 	if (err < 0) {
2537 		snd_card_free(card);
2538 		return err;
2539 	}
2540 
2541 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2542 	if (err < 0) {
2543 		snd_card_free(card);
2544 		return err;
2545 	}
2546 
2547 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2548 	if (err < 0) {
2549 		snd_card_free(card);
2550 		return err;
2551 	}
2552 
2553 	err = snd_vt1724_ac97_mixer(ice);
2554 	if (err < 0) {
2555 		snd_card_free(card);
2556 		return err;
2557 	}
2558 
2559 	err = snd_vt1724_build_controls(ice);
2560 	if (err < 0) {
2561 		snd_card_free(card);
2562 		return err;
2563 	}
2564 
2565 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2566 		err = snd_vt1724_spdif_build_controls(ice);
2567 		if (err < 0) {
2568 			snd_card_free(card);
2569 			return err;
2570 		}
2571 	}
2572 
2573 	if (c->build_controls) {
2574 		err = c->build_controls(ice);
2575 		if (err < 0) {
2576 			snd_card_free(card);
2577 			return err;
2578 		}
2579 	}
2580 
2581 	if (!c->no_mpu401) {
2582 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2583 			struct snd_rawmidi *rmidi;
2584 
2585 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2586 			if (err < 0) {
2587 				snd_card_free(card);
2588 				return err;
2589 			}
2590 			ice->rmidi[0] = rmidi;
2591 			rmidi->private_data = ice;
2592 			strcpy(rmidi->name, "ICE1724 MIDI");
2593 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2594 					    SNDRV_RAWMIDI_INFO_INPUT |
2595 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2596 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2597 					    &vt1724_midi_output_ops);
2598 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2599 					    &vt1724_midi_input_ops);
2600 
2601 			/* set watermarks */
2602 			outb(VT1724_MPU_RX_FIFO | 0x1,
2603 			     ICEREG1724(ice, MPU_FIFO_WM));
2604 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2605 			/* set UART mode */
2606 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2607 		}
2608 	}
2609 
2610 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2611 		card->shortname, ice->port, ice->irq);
2612 
2613 	err = snd_card_register(card);
2614 	if (err < 0) {
2615 		snd_card_free(card);
2616 		return err;
2617 	}
2618 	pci_set_drvdata(pci, card);
2619 	dev++;
2620 	return 0;
2621 }
2622 
2623 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2624 {
2625 	snd_card_free(pci_get_drvdata(pci));
2626 	pci_set_drvdata(pci, NULL);
2627 }
2628 
2629 static struct pci_driver driver = {
2630 	.name = "ICE1724",
2631 	.id_table = snd_vt1724_ids,
2632 	.probe = snd_vt1724_probe,
2633 	.remove = __devexit_p(snd_vt1724_remove),
2634 };
2635 
2636 static int __init alsa_card_ice1724_init(void)
2637 {
2638 	return pci_register_driver(&driver);
2639 }
2640 
2641 static void __exit alsa_card_ice1724_exit(void)
2642 {
2643 	pci_unregister_driver(&driver);
2644 }
2645 
2646 module_init(alsa_card_ice1724_init)
2647 module_exit(alsa_card_ice1724_exit)
2648