xref: /openbmc/linux/sound/pci/ice1712/ice1724.c (revision 9ac8d3fb)
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 vt1724_midi_write(struct snd_ice1712 *ice)
245 {
246 	struct snd_rawmidi_substream *s;
247 	int count, i;
248 	u8 buffer[32];
249 
250 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
251 	count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
252 	if (count > 0) {
253 		count = snd_rawmidi_transmit(s, buffer, count);
254 		for (i = 0; i < count; ++i)
255 			outb(buffer[i], ICEREG1724(ice, MPU_DATA));
256 	}
257 }
258 
259 static void vt1724_midi_read(struct snd_ice1712 *ice)
260 {
261 	struct snd_rawmidi_substream *s;
262 	int count, i;
263 	u8 buffer[32];
264 
265 	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
266 	count = inb(ICEREG1724(ice, MPU_RXFIFO));
267 	if (count > 0) {
268 		count = min(count, 32);
269 		for (i = 0; i < count; ++i)
270 			buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
271 		snd_rawmidi_receive(s, buffer, count);
272 	}
273 }
274 
275 static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
276 				   u8 flag, int enable)
277 {
278 	struct snd_ice1712 *ice = substream->rmidi->private_data;
279 	u8 mask;
280 
281 	spin_lock_irq(&ice->reg_lock);
282 	mask = inb(ICEREG1724(ice, IRQMASK));
283 	if (enable)
284 		mask &= ~flag;
285 	else
286 		mask |= flag;
287 	outb(mask, ICEREG1724(ice, IRQMASK));
288 	spin_unlock_irq(&ice->reg_lock);
289 }
290 
291 static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
292 {
293 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 1);
294 	return 0;
295 }
296 
297 static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
298 {
299 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
300 	return 0;
301 }
302 
303 static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
304 {
305 	struct snd_ice1712 *ice = s->rmidi->private_data;
306 	unsigned long flags;
307 
308 	spin_lock_irqsave(&ice->reg_lock, flags);
309 	if (up) {
310 		ice->midi_output = 1;
311 		vt1724_midi_write(ice);
312 	} else {
313 		ice->midi_output = 0;
314 	}
315 	spin_unlock_irqrestore(&ice->reg_lock, flags);
316 }
317 
318 static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
319 {
320 	struct snd_ice1712 *ice = s->rmidi->private_data;
321 	unsigned long timeout;
322 
323 	/* 32 bytes should be transmitted in less than about 12 ms */
324 	timeout = jiffies + msecs_to_jiffies(15);
325 	do {
326 		if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
327 			break;
328 		schedule_timeout_uninterruptible(1);
329 	} while (time_after(timeout, jiffies));
330 }
331 
332 static struct snd_rawmidi_ops vt1724_midi_output_ops = {
333 	.open = vt1724_midi_output_open,
334 	.close = vt1724_midi_output_close,
335 	.trigger = vt1724_midi_output_trigger,
336 	.drain = vt1724_midi_output_drain,
337 };
338 
339 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
340 {
341 	vt1724_midi_clear_rx(s->rmidi->private_data);
342 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
343 	return 0;
344 }
345 
346 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
347 {
348 	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
349 	return 0;
350 }
351 
352 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
353 {
354 	struct snd_ice1712 *ice = s->rmidi->private_data;
355 	unsigned long flags;
356 
357 	spin_lock_irqsave(&ice->reg_lock, flags);
358 	if (up) {
359 		ice->midi_input = 1;
360 		vt1724_midi_read(ice);
361 	} else {
362 		ice->midi_input = 0;
363 	}
364 	spin_unlock_irqrestore(&ice->reg_lock, flags);
365 }
366 
367 static struct snd_rawmidi_ops vt1724_midi_input_ops = {
368 	.open = vt1724_midi_input_open,
369 	.close = vt1724_midi_input_close,
370 	.trigger = vt1724_midi_input_trigger,
371 };
372 
373 
374 /*
375  *  Interrupt handler
376  */
377 
378 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
379 {
380 	struct snd_ice1712 *ice = dev_id;
381 	unsigned char status;
382 	unsigned char status_mask =
383 		VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
384 	int handled = 0;
385 #ifdef CONFIG_SND_DEBUG
386 	int timeout = 0;
387 #endif
388 
389 	while (1) {
390 		status = inb(ICEREG1724(ice, IRQSTAT));
391 		status &= status_mask;
392 		if (status == 0)
393 			break;
394 #ifdef CONFIG_SND_DEBUG
395 		if (++timeout > 10) {
396 			printk(KERN_ERR
397 			       "ice1724: Too long irq loop, status = 0x%x\n",
398 			       status);
399 			break;
400 		}
401 #endif
402 		handled = 1;
403 		if (status & VT1724_IRQ_MPU_TX) {
404 			spin_lock(&ice->reg_lock);
405 			if (ice->midi_output)
406 				vt1724_midi_write(ice);
407 			spin_unlock(&ice->reg_lock);
408 			/* Due to mysterical reasons, MPU_TX is always
409 			 * generated (and can't be cleared) when a PCM
410 			 * playback is going.  So let's ignore at the
411 			 * next loop.
412 			 */
413 			status_mask &= ~VT1724_IRQ_MPU_TX;
414 		}
415 		if (status & VT1724_IRQ_MPU_RX) {
416 			spin_lock(&ice->reg_lock);
417 			if (ice->midi_input)
418 				vt1724_midi_read(ice);
419 			else
420 				vt1724_midi_clear_rx(ice);
421 			spin_unlock(&ice->reg_lock);
422 		}
423 		/* ack MPU irq */
424 		outb(status, ICEREG1724(ice, IRQSTAT));
425 		if (status & VT1724_IRQ_MTPCM) {
426 			/*
427 			 * Multi-track PCM
428 			 * PCM assignment are:
429 			 * Playback DMA0 (M/C) = playback_pro_substream
430 			 * Playback DMA1 = playback_con_substream_ds[0]
431 			 * Playback DMA2 = playback_con_substream_ds[1]
432 			 * Playback DMA3 = playback_con_substream_ds[2]
433 			 * Playback DMA4 (SPDIF) = playback_con_substream
434 			 * Record DMA0 = capture_pro_substream
435 			 * Record DMA1 = capture_con_substream
436 			 */
437 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
438 			if (mtstat & VT1724_MULTI_PDMA0) {
439 				if (ice->playback_pro_substream)
440 					snd_pcm_period_elapsed(ice->playback_pro_substream);
441 			}
442 			if (mtstat & VT1724_MULTI_RDMA0) {
443 				if (ice->capture_pro_substream)
444 					snd_pcm_period_elapsed(ice->capture_pro_substream);
445 			}
446 			if (mtstat & VT1724_MULTI_PDMA1) {
447 				if (ice->playback_con_substream_ds[0])
448 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
449 			}
450 			if (mtstat & VT1724_MULTI_PDMA2) {
451 				if (ice->playback_con_substream_ds[1])
452 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
453 			}
454 			if (mtstat & VT1724_MULTI_PDMA3) {
455 				if (ice->playback_con_substream_ds[2])
456 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
457 			}
458 			if (mtstat & VT1724_MULTI_PDMA4) {
459 				if (ice->playback_con_substream)
460 					snd_pcm_period_elapsed(ice->playback_con_substream);
461 			}
462 			if (mtstat & VT1724_MULTI_RDMA1) {
463 				if (ice->capture_con_substream)
464 					snd_pcm_period_elapsed(ice->capture_con_substream);
465 			}
466 			/* ack anyway to avoid freeze */
467 			outb(mtstat, ICEMT1724(ice, IRQ));
468 			/* ought to really handle this properly */
469 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
470 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
471 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
472 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
473 				/* If I don't do this, I get machine lockup due to continual interrupts */
474 			}
475 
476 		}
477 	}
478 	return IRQ_RETVAL(handled);
479 }
480 
481 /*
482  *  PCM code - professional part (multitrack)
483  */
484 
485 static unsigned int rates[] = {
486 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
487 	32000, 44100, 48000, 64000, 88200, 96000,
488 	176400, 192000,
489 };
490 
491 static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
492 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
493 	.list = rates,
494 	.mask = 0,
495 };
496 
497 static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
498 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
499 	.list = rates,
500 	.mask = 0,
501 };
502 
503 static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
504 	.count = ARRAY_SIZE(rates),
505 	.list = rates,
506 	.mask = 0,
507 };
508 
509 struct vt1724_pcm_reg {
510 	unsigned int addr;	/* ADDR register offset */
511 	unsigned int size;	/* SIZE register offset */
512 	unsigned int count;	/* COUNT register offset */
513 	unsigned int start;	/* start & pause bit */
514 };
515 
516 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
517 {
518 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
519 	unsigned char what;
520 	unsigned char old;
521 	struct snd_pcm_substream *s;
522 
523 	what = 0;
524 	snd_pcm_group_for_each_entry(s, substream) {
525 		if (snd_pcm_substream_chip(s) == ice) {
526 			const struct vt1724_pcm_reg *reg;
527 			reg = s->runtime->private_data;
528 			what |= reg->start;
529 			snd_pcm_trigger_done(s, substream);
530 		}
531 	}
532 
533 	switch (cmd) {
534 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
535 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
536 		spin_lock(&ice->reg_lock);
537 		old = inb(ICEMT1724(ice, DMA_PAUSE));
538 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
539 			old |= what;
540 		else
541 			old &= ~what;
542 		outb(old, ICEMT1724(ice, DMA_PAUSE));
543 		spin_unlock(&ice->reg_lock);
544 		break;
545 
546 	case SNDRV_PCM_TRIGGER_START:
547 	case SNDRV_PCM_TRIGGER_STOP:
548 		spin_lock(&ice->reg_lock);
549 		old = inb(ICEMT1724(ice, DMA_CONTROL));
550 		if (cmd == SNDRV_PCM_TRIGGER_START)
551 			old |= what;
552 		else
553 			old &= ~what;
554 		outb(old, ICEMT1724(ice, DMA_CONTROL));
555 		spin_unlock(&ice->reg_lock);
556 		break;
557 
558 	default:
559 		return -EINVAL;
560 	}
561 	return 0;
562 }
563 
564 /*
565  */
566 
567 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
568 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
569 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
570 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
571 
572 static const unsigned int stdclock_rate_list[16] = {
573 	48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
574 	22050, 11025, 88200, 176400, 0, 192000, 64000
575 };
576 
577 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
578 {
579 	unsigned int rate;
580 	rate = stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
581 	return rate;
582 }
583 
584 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
585 {
586 	int i;
587 	for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
588 		if (stdclock_rate_list[i] == rate) {
589 			outb(i, ICEMT1724(ice, RATE));
590 			return;
591 		}
592 	}
593 }
594 
595 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
596 				       unsigned int rate)
597 {
598 	unsigned char val, old;
599 	/* check MT02 */
600 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
601 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
602 		if (rate > 96000)
603 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
604 		else
605 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
606 		if (val != old) {
607 			outb(val, ICEMT1724(ice, I2S_FORMAT));
608 			/* master clock changed */
609 			return 1;
610 		}
611 	}
612 	/* no change in master clock */
613 	return 0;
614 }
615 
616 static void snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
617 				    int force)
618 {
619 	unsigned long flags;
620 	unsigned char mclk_change;
621 	unsigned int i, old_rate;
622 
623 	if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
624 		return;
625 	spin_lock_irqsave(&ice->reg_lock, flags);
626 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
627 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
628 		/* running? we cannot change the rate now... */
629 		spin_unlock_irqrestore(&ice->reg_lock, flags);
630 		return;
631 	}
632 	if (!force && is_pro_rate_locked(ice)) {
633 		spin_unlock_irqrestore(&ice->reg_lock, flags);
634 		return;
635 	}
636 
637 	old_rate = ice->get_rate(ice);
638 	if (force || (old_rate != rate))
639 		ice->set_rate(ice, rate);
640 	else if (rate == ice->cur_rate) {
641 		spin_unlock_irqrestore(&ice->reg_lock, flags);
642 		return;
643 	}
644 
645 	ice->cur_rate = rate;
646 
647 	/* setting master clock */
648 	mclk_change = ice->set_mclk(ice, rate);
649 
650 	spin_unlock_irqrestore(&ice->reg_lock, flags);
651 
652 	if (mclk_change && ice->gpio.i2s_mclk_changed)
653 		ice->gpio.i2s_mclk_changed(ice);
654 	if (ice->gpio.set_pro_rate)
655 		ice->gpio.set_pro_rate(ice, rate);
656 
657 	/* set up codecs */
658 	for (i = 0; i < ice->akm_codecs; i++) {
659 		if (ice->akm[i].ops.set_rate_val)
660 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
661 	}
662 	if (ice->spdif.ops.setup_rate)
663 		ice->spdif.ops.setup_rate(ice, rate);
664 }
665 
666 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
667 				    struct snd_pcm_hw_params *hw_params)
668 {
669 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
670 	int i, chs;
671 
672 	chs = params_channels(hw_params);
673 	mutex_lock(&ice->open_mutex);
674 	/* mark surround channels */
675 	if (substream == ice->playback_pro_substream) {
676 		/* PDMA0 can be multi-channel up to 8 */
677 		chs = chs / 2 - 1;
678 		for (i = 0; i < chs; i++) {
679 			if (ice->pcm_reserved[i] &&
680 			    ice->pcm_reserved[i] != substream) {
681 				mutex_unlock(&ice->open_mutex);
682 				return -EBUSY;
683 			}
684 			ice->pcm_reserved[i] = substream;
685 		}
686 		for (; i < 3; i++) {
687 			if (ice->pcm_reserved[i] == substream)
688 				ice->pcm_reserved[i] = NULL;
689 		}
690 	} else {
691 		for (i = 0; i < 3; i++) {
692 			/* check individual playback stream */
693 			if (ice->playback_con_substream_ds[i] == substream) {
694 				if (ice->pcm_reserved[i] &&
695 				    ice->pcm_reserved[i] != substream) {
696 					mutex_unlock(&ice->open_mutex);
697 					return -EBUSY;
698 				}
699 				ice->pcm_reserved[i] = substream;
700 				break;
701 			}
702 		}
703 	}
704 	mutex_unlock(&ice->open_mutex);
705 	snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
706 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
707 }
708 
709 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
710 {
711 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
712 	int i;
713 
714 	mutex_lock(&ice->open_mutex);
715 	/* unmark surround channels */
716 	for (i = 0; i < 3; i++)
717 		if (ice->pcm_reserved[i] == substream)
718 			ice->pcm_reserved[i] = NULL;
719 	mutex_unlock(&ice->open_mutex);
720 	return snd_pcm_lib_free_pages(substream);
721 }
722 
723 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
724 {
725 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
726 	unsigned char val;
727 	unsigned int size;
728 
729 	spin_lock_irq(&ice->reg_lock);
730 	val = (8 - substream->runtime->channels) >> 1;
731 	outb(val, ICEMT1724(ice, BURST));
732 
733 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
734 
735 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
736 	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
737 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
738 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
739 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
740 	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
741 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
742 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
743 
744 	spin_unlock_irq(&ice->reg_lock);
745 
746 	/* printk("pro prepare: ch = %d, addr = 0x%x, buffer = 0x%x, period = 0x%x\n", substream->runtime->channels, (unsigned int)substream->runtime->dma_addr, snd_pcm_lib_buffer_bytes(substream), snd_pcm_lib_period_bytes(substream)); */
747 	return 0;
748 }
749 
750 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
751 {
752 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
753 	size_t ptr;
754 
755 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
756 		return 0;
757 #if 0 /* read PLAYBACK_ADDR */
758 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
759 	if (ptr < substream->runtime->dma_addr) {
760 		snd_printd("ice1724: invalid negative ptr\n");
761 		return 0;
762 	}
763 	ptr -= substream->runtime->dma_addr;
764 	ptr = bytes_to_frames(substream->runtime, ptr);
765 	if (ptr >= substream->runtime->buffer_size) {
766 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
767 			   (int)ptr, (int)substream->runtime->period_size);
768 		return 0;
769 	}
770 #else /* read PLAYBACK_SIZE */
771 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
772 	ptr = (ptr + 1) << 2;
773 	ptr = bytes_to_frames(substream->runtime, ptr);
774 	if (!ptr)
775 		;
776 	else if (ptr <= substream->runtime->buffer_size)
777 		ptr = substream->runtime->buffer_size - ptr;
778 	else {
779 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
780 			   (int)ptr, (int)substream->runtime->buffer_size);
781 		ptr = 0;
782 	}
783 #endif
784 	return ptr;
785 }
786 
787 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
788 {
789 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
790 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
791 
792 	spin_lock_irq(&ice->reg_lock);
793 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
794 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
795 	     ice->profi_port + reg->size);
796 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
797 	     ice->profi_port + reg->count);
798 	spin_unlock_irq(&ice->reg_lock);
799 	return 0;
800 }
801 
802 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
803 {
804 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
805 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
806 	size_t ptr;
807 
808 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
809 		return 0;
810 #if 0 /* use ADDR register */
811 	ptr = inl(ice->profi_port + reg->addr);
812 	ptr -= substream->runtime->dma_addr;
813 	return bytes_to_frames(substream->runtime, ptr);
814 #else /* use SIZE register */
815 	ptr = inw(ice->profi_port + reg->size);
816 	ptr = (ptr + 1) << 2;
817 	ptr = bytes_to_frames(substream->runtime, ptr);
818 	if (!ptr)
819 		;
820 	else if (ptr <= substream->runtime->buffer_size)
821 		ptr = substream->runtime->buffer_size - ptr;
822 	else {
823 		snd_printd("ice1724: invalid ptr %d (size=%d)\n",
824 			   (int)ptr, (int)substream->runtime->buffer_size);
825 		ptr = 0;
826 	}
827 	return ptr;
828 #endif
829 }
830 
831 static const struct vt1724_pcm_reg vt1724_playback_pro_reg = {
832 	.addr = VT1724_MT_PLAYBACK_ADDR,
833 	.size = VT1724_MT_PLAYBACK_SIZE,
834 	.count = VT1724_MT_PLAYBACK_COUNT,
835 	.start = VT1724_PDMA0_START,
836 };
837 
838 static const struct vt1724_pcm_reg vt1724_capture_pro_reg = {
839 	.addr = VT1724_MT_CAPTURE_ADDR,
840 	.size = VT1724_MT_CAPTURE_SIZE,
841 	.count = VT1724_MT_CAPTURE_COUNT,
842 	.start = VT1724_RDMA0_START,
843 };
844 
845 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
846 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
847 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
848 				 SNDRV_PCM_INFO_MMAP_VALID |
849 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
850 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
851 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
852 	.rate_min =		8000,
853 	.rate_max =		192000,
854 	.channels_min =		2,
855 	.channels_max =		8,
856 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
857 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
858 	.period_bytes_max =	(1UL << 21),
859 	.periods_min =		2,
860 	.periods_max =		1024,
861 };
862 
863 static const struct snd_pcm_hardware snd_vt1724_spdif = {
864 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
865 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
866 				 SNDRV_PCM_INFO_MMAP_VALID |
867 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
868 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
869 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
870 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
871 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
872 				 SNDRV_PCM_RATE_192000),
873 	.rate_min =		32000,
874 	.rate_max =		192000,
875 	.channels_min =		2,
876 	.channels_max =		2,
877 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
878 	.period_bytes_min =	2 * 4 * 2,
879 	.period_bytes_max =	(1UL << 18),
880 	.periods_min =		2,
881 	.periods_max =		1024,
882 };
883 
884 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
885 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
886 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
887 				 SNDRV_PCM_INFO_MMAP_VALID |
888 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
889 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
890 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
891 	.rate_min =		8000,
892 	.rate_max =		192000,
893 	.channels_min =		2,
894 	.channels_max =		2,
895 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
896 	.period_bytes_min =	2 * 4 * 2,
897 	.period_bytes_max =	(1UL << 18),
898 	.periods_min =		2,
899 	.periods_max =		1024,
900 };
901 
902 /*
903  * set rate constraints
904  */
905 static void set_std_hw_rates(struct snd_ice1712 *ice)
906 {
907 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
908 		/* I2S */
909 		/* VT1720 doesn't support more than 96kHz */
910 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
911 			ice->hw_rates = &hw_constraints_rates_192;
912 		else
913 			ice->hw_rates = &hw_constraints_rates_96;
914 	} else {
915 		/* ACLINK */
916 		ice->hw_rates = &hw_constraints_rates_48;
917 	}
918 }
919 
920 static int set_rate_constraints(struct snd_ice1712 *ice,
921 				struct snd_pcm_substream *substream)
922 {
923 	struct snd_pcm_runtime *runtime = substream->runtime;
924 
925 	runtime->hw.rate_min = ice->hw_rates->list[0];
926 	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
927 	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
928 	return snd_pcm_hw_constraint_list(runtime, 0,
929 					  SNDRV_PCM_HW_PARAM_RATE,
930 					  ice->hw_rates);
931 }
932 
933 /* multi-channel playback needs alignment 8x32bit regardless of the channels
934  * actually used
935  */
936 #define VT1724_BUFFER_ALIGN	0x20
937 
938 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
939 {
940 	struct snd_pcm_runtime *runtime = substream->runtime;
941 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
942 	int chs, num_indeps;
943 
944 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
945 	ice->playback_pro_substream = substream;
946 	runtime->hw = snd_vt1724_playback_pro;
947 	snd_pcm_set_sync(substream);
948 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
949 	set_rate_constraints(ice, substream);
950 	mutex_lock(&ice->open_mutex);
951 	/* calculate the currently available channels */
952 	num_indeps = ice->num_total_dacs / 2 - 1;
953 	for (chs = 0; chs < num_indeps; chs++) {
954 		if (ice->pcm_reserved[chs])
955 			break;
956 	}
957 	chs = (chs + 1) * 2;
958 	runtime->hw.channels_max = chs;
959 	if (chs > 2) /* channels must be even */
960 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
961 	mutex_unlock(&ice->open_mutex);
962 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
963 				   VT1724_BUFFER_ALIGN);
964 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
965 				   VT1724_BUFFER_ALIGN);
966 	return 0;
967 }
968 
969 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
970 {
971 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
972 	struct snd_pcm_runtime *runtime = substream->runtime;
973 
974 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
975 	ice->capture_pro_substream = substream;
976 	runtime->hw = snd_vt1724_2ch_stereo;
977 	snd_pcm_set_sync(substream);
978 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
979 	set_rate_constraints(ice, substream);
980 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
981 				   VT1724_BUFFER_ALIGN);
982 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
983 				   VT1724_BUFFER_ALIGN);
984 	return 0;
985 }
986 
987 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
988 {
989 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
990 
991 	if (PRO_RATE_RESET)
992 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
993 	ice->playback_pro_substream = NULL;
994 
995 	return 0;
996 }
997 
998 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
999 {
1000 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1001 
1002 	if (PRO_RATE_RESET)
1003 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1004 	ice->capture_pro_substream = NULL;
1005 	return 0;
1006 }
1007 
1008 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1009 	.open =		snd_vt1724_playback_pro_open,
1010 	.close =	snd_vt1724_playback_pro_close,
1011 	.ioctl =	snd_pcm_lib_ioctl,
1012 	.hw_params =	snd_vt1724_pcm_hw_params,
1013 	.hw_free =	snd_vt1724_pcm_hw_free,
1014 	.prepare =	snd_vt1724_playback_pro_prepare,
1015 	.trigger =	snd_vt1724_pcm_trigger,
1016 	.pointer =	snd_vt1724_playback_pro_pointer,
1017 };
1018 
1019 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1020 	.open =		snd_vt1724_capture_pro_open,
1021 	.close =	snd_vt1724_capture_pro_close,
1022 	.ioctl =	snd_pcm_lib_ioctl,
1023 	.hw_params =	snd_vt1724_pcm_hw_params,
1024 	.hw_free =	snd_vt1724_pcm_hw_free,
1025 	.prepare =	snd_vt1724_pcm_prepare,
1026 	.trigger =	snd_vt1724_pcm_trigger,
1027 	.pointer =	snd_vt1724_pcm_pointer,
1028 };
1029 
1030 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1031 {
1032 	struct snd_pcm *pcm;
1033 	int err;
1034 
1035 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
1036 	if (err < 0)
1037 		return err;
1038 
1039 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1040 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
1041 
1042 	pcm->private_data = ice;
1043 	pcm->info_flags = 0;
1044 	strcpy(pcm->name, "ICE1724");
1045 
1046 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1047 					      snd_dma_pci_data(ice->pci),
1048 					      256*1024, 256*1024);
1049 
1050 	ice->pcm_pro = pcm;
1051 
1052 	return 0;
1053 }
1054 
1055 
1056 /*
1057  * SPDIF PCM
1058  */
1059 
1060 static const struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
1061 	.addr = VT1724_MT_PDMA4_ADDR,
1062 	.size = VT1724_MT_PDMA4_SIZE,
1063 	.count = VT1724_MT_PDMA4_COUNT,
1064 	.start = VT1724_PDMA4_START,
1065 };
1066 
1067 static const struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
1068 	.addr = VT1724_MT_RDMA1_ADDR,
1069 	.size = VT1724_MT_RDMA1_SIZE,
1070 	.count = VT1724_MT_RDMA1_COUNT,
1071 	.start = VT1724_RDMA1_START,
1072 };
1073 
1074 /* update spdif control bits; call with reg_lock */
1075 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1076 {
1077 	unsigned char cbit, disabled;
1078 
1079 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1080 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1081 	if (cbit != disabled)
1082 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1083 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1084 	if (cbit != disabled)
1085 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1086 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1087 }
1088 
1089 /* update SPDIF control bits according to the given rate */
1090 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1091 {
1092 	unsigned int val, nval;
1093 	unsigned long flags;
1094 
1095 	spin_lock_irqsave(&ice->reg_lock, flags);
1096 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1097 	nval &= ~(7 << 12);
1098 	switch (rate) {
1099 	case 44100: break;
1100 	case 48000: nval |= 2 << 12; break;
1101 	case 32000: nval |= 3 << 12; break;
1102 	case 88200: nval |= 4 << 12; break;
1103 	case 96000: nval |= 5 << 12; break;
1104 	case 192000: nval |= 6 << 12; break;
1105 	case 176400: nval |= 7 << 12; break;
1106 	}
1107 	if (val != nval)
1108 		update_spdif_bits(ice, nval);
1109 	spin_unlock_irqrestore(&ice->reg_lock, flags);
1110 }
1111 
1112 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1113 {
1114 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1115 	if (!ice->force_pdma4)
1116 		update_spdif_rate(ice, substream->runtime->rate);
1117 	return snd_vt1724_pcm_prepare(substream);
1118 }
1119 
1120 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1121 {
1122 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1123 	struct snd_pcm_runtime *runtime = substream->runtime;
1124 
1125 	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1126 	ice->playback_con_substream = substream;
1127 	if (ice->force_pdma4) {
1128 		runtime->hw = snd_vt1724_2ch_stereo;
1129 		set_rate_constraints(ice, substream);
1130 	} else
1131 		runtime->hw = snd_vt1724_spdif;
1132 	snd_pcm_set_sync(substream);
1133 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1134 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1135 				   VT1724_BUFFER_ALIGN);
1136 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1137 				   VT1724_BUFFER_ALIGN);
1138 	if (ice->spdif.ops.open)
1139 		ice->spdif.ops.open(ice, substream);
1140 	return 0;
1141 }
1142 
1143 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1144 {
1145 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1146 
1147 	if (PRO_RATE_RESET)
1148 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1149 	ice->playback_con_substream = NULL;
1150 	if (ice->spdif.ops.close)
1151 		ice->spdif.ops.close(ice, substream);
1152 
1153 	return 0;
1154 }
1155 
1156 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1157 {
1158 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1159 	struct snd_pcm_runtime *runtime = substream->runtime;
1160 
1161 	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1162 	ice->capture_con_substream = substream;
1163 	if (ice->force_rdma1) {
1164 		runtime->hw = snd_vt1724_2ch_stereo;
1165 		set_rate_constraints(ice, substream);
1166 	} else
1167 		runtime->hw = snd_vt1724_spdif;
1168 	snd_pcm_set_sync(substream);
1169 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1170 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1171 				   VT1724_BUFFER_ALIGN);
1172 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1173 				   VT1724_BUFFER_ALIGN);
1174 	if (ice->spdif.ops.open)
1175 		ice->spdif.ops.open(ice, substream);
1176 	return 0;
1177 }
1178 
1179 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1180 {
1181 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1182 
1183 	if (PRO_RATE_RESET)
1184 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1185 	ice->capture_con_substream = NULL;
1186 	if (ice->spdif.ops.close)
1187 		ice->spdif.ops.close(ice, substream);
1188 
1189 	return 0;
1190 }
1191 
1192 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1193 	.open =		snd_vt1724_playback_spdif_open,
1194 	.close =	snd_vt1724_playback_spdif_close,
1195 	.ioctl =	snd_pcm_lib_ioctl,
1196 	.hw_params =	snd_vt1724_pcm_hw_params,
1197 	.hw_free =	snd_vt1724_pcm_hw_free,
1198 	.prepare =	snd_vt1724_playback_spdif_prepare,
1199 	.trigger =	snd_vt1724_pcm_trigger,
1200 	.pointer =	snd_vt1724_pcm_pointer,
1201 };
1202 
1203 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1204 	.open =		snd_vt1724_capture_spdif_open,
1205 	.close =	snd_vt1724_capture_spdif_close,
1206 	.ioctl =	snd_pcm_lib_ioctl,
1207 	.hw_params =	snd_vt1724_pcm_hw_params,
1208 	.hw_free =	snd_vt1724_pcm_hw_free,
1209 	.prepare =	snd_vt1724_pcm_prepare,
1210 	.trigger =	snd_vt1724_pcm_trigger,
1211 	.pointer =	snd_vt1724_pcm_pointer,
1212 };
1213 
1214 
1215 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1216 {
1217 	char *name;
1218 	struct snd_pcm *pcm;
1219 	int play, capt;
1220 	int err;
1221 
1222 	if (ice->force_pdma4 ||
1223 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1224 		play = 1;
1225 		ice->has_spdif = 1;
1226 	} else
1227 		play = 0;
1228 	if (ice->force_rdma1 ||
1229 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1230 		capt = 1;
1231 		ice->has_spdif = 1;
1232 	} else
1233 		capt = 0;
1234 	if (!play && !capt)
1235 		return 0; /* no spdif device */
1236 
1237 	if (ice->force_pdma4 || ice->force_rdma1)
1238 		name = "ICE1724 Secondary";
1239 	else
1240 		name = "IEC1724 IEC958";
1241 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1242 	if (err < 0)
1243 		return err;
1244 
1245 	if (play)
1246 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1247 				&snd_vt1724_playback_spdif_ops);
1248 	if (capt)
1249 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1250 				&snd_vt1724_capture_spdif_ops);
1251 
1252 	pcm->private_data = ice;
1253 	pcm->info_flags = 0;
1254 	strcpy(pcm->name, name);
1255 
1256 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1257 					      snd_dma_pci_data(ice->pci),
1258 					      64*1024, 64*1024);
1259 
1260 	ice->pcm = pcm;
1261 
1262 	return 0;
1263 }
1264 
1265 
1266 /*
1267  * independent surround PCMs
1268  */
1269 
1270 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1271 	{
1272 		.addr = VT1724_MT_PDMA1_ADDR,
1273 		.size = VT1724_MT_PDMA1_SIZE,
1274 		.count = VT1724_MT_PDMA1_COUNT,
1275 		.start = VT1724_PDMA1_START,
1276 	},
1277 	{
1278 		.addr = VT1724_MT_PDMA2_ADDR,
1279 		.size = VT1724_MT_PDMA2_SIZE,
1280 		.count = VT1724_MT_PDMA2_COUNT,
1281 		.start = VT1724_PDMA2_START,
1282 	},
1283 	{
1284 		.addr = VT1724_MT_PDMA3_ADDR,
1285 		.size = VT1724_MT_PDMA3_SIZE,
1286 		.count = VT1724_MT_PDMA3_COUNT,
1287 		.start = VT1724_PDMA3_START,
1288 	},
1289 };
1290 
1291 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1292 {
1293 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1294 	unsigned char val;
1295 
1296 	spin_lock_irq(&ice->reg_lock);
1297 	val = 3 - substream->number;
1298 	if (inb(ICEMT1724(ice, BURST)) < val)
1299 		outb(val, ICEMT1724(ice, BURST));
1300 	spin_unlock_irq(&ice->reg_lock);
1301 	return snd_vt1724_pcm_prepare(substream);
1302 }
1303 
1304 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1305 {
1306 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1307 	struct snd_pcm_runtime *runtime = substream->runtime;
1308 
1309 	mutex_lock(&ice->open_mutex);
1310 	/* already used by PDMA0? */
1311 	if (ice->pcm_reserved[substream->number]) {
1312 		mutex_unlock(&ice->open_mutex);
1313 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1314 	}
1315 	mutex_unlock(&ice->open_mutex);
1316 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1317 	ice->playback_con_substream_ds[substream->number] = substream;
1318 	runtime->hw = snd_vt1724_2ch_stereo;
1319 	snd_pcm_set_sync(substream);
1320 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1321 	set_rate_constraints(ice, substream);
1322 	return 0;
1323 }
1324 
1325 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1326 {
1327 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1328 
1329 	if (PRO_RATE_RESET)
1330 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1331 	ice->playback_con_substream_ds[substream->number] = NULL;
1332 	ice->pcm_reserved[substream->number] = NULL;
1333 
1334 	return 0;
1335 }
1336 
1337 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1338 	.open =		snd_vt1724_playback_indep_open,
1339 	.close =	snd_vt1724_playback_indep_close,
1340 	.ioctl =	snd_pcm_lib_ioctl,
1341 	.hw_params =	snd_vt1724_pcm_hw_params,
1342 	.hw_free =	snd_vt1724_pcm_hw_free,
1343 	.prepare =	snd_vt1724_playback_indep_prepare,
1344 	.trigger =	snd_vt1724_pcm_trigger,
1345 	.pointer =	snd_vt1724_pcm_pointer,
1346 };
1347 
1348 
1349 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1350 {
1351 	struct snd_pcm *pcm;
1352 	int play;
1353 	int err;
1354 
1355 	play = ice->num_total_dacs / 2 - 1;
1356 	if (play <= 0)
1357 		return 0;
1358 
1359 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1360 	if (err < 0)
1361 		return err;
1362 
1363 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1364 			&snd_vt1724_playback_indep_ops);
1365 
1366 	pcm->private_data = ice;
1367 	pcm->info_flags = 0;
1368 	strcpy(pcm->name, "ICE1724 Surround PCM");
1369 
1370 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1371 					      snd_dma_pci_data(ice->pci),
1372 					      64*1024, 64*1024);
1373 
1374 	ice->pcm_ds = pcm;
1375 
1376 	return 0;
1377 }
1378 
1379 
1380 /*
1381  *  Mixer section
1382  */
1383 
1384 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1385 {
1386 	int err;
1387 
1388 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1389 		struct snd_ac97_bus *pbus;
1390 		struct snd_ac97_template ac97;
1391 		static struct snd_ac97_bus_ops ops = {
1392 			.write = snd_vt1724_ac97_write,
1393 			.read = snd_vt1724_ac97_read,
1394 		};
1395 
1396 		/* cold reset */
1397 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1398 		mdelay(5); /* FIXME */
1399 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1400 
1401 		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1402 		if (err < 0)
1403 			return err;
1404 		memset(&ac97, 0, sizeof(ac97));
1405 		ac97.private_data = ice;
1406 		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1407 		if (err < 0)
1408 			printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1409 		else
1410 			return 0;
1411 	}
1412 	/* I2S mixer only */
1413 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1414 	return 0;
1415 }
1416 
1417 /*
1418  *
1419  */
1420 
1421 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1422 {
1423 	return (unsigned int)ice->eeprom.data[idx] | \
1424 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1425 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1426 }
1427 
1428 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1429 				 struct snd_info_buffer *buffer)
1430 {
1431 	struct snd_ice1712 *ice = entry->private_data;
1432 	unsigned int idx;
1433 
1434 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1435 	snd_iprintf(buffer, "EEPROM:\n");
1436 
1437 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1438 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1439 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1440 	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1441 		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1442 	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1443 		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1444 	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1445 		    ice->eeprom.data[ICE_EEP2_I2S]);
1446 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1447 		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1448 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1449 		    ice->eeprom.gpiodir);
1450 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1451 		    ice->eeprom.gpiomask);
1452 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1453 		    ice->eeprom.gpiostate);
1454 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1455 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1456 			    idx, ice->eeprom.data[idx]);
1457 
1458 	snd_iprintf(buffer, "\nRegisters:\n");
1459 
1460 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1461 		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1462 	for (idx = 0x0; idx < 0x20 ; idx++)
1463 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1464 			    idx, inb(ice->port+idx));
1465 	for (idx = 0x0; idx < 0x30 ; idx++)
1466 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1467 			    idx, inb(ice->profi_port+idx));
1468 }
1469 
1470 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 *ice)
1471 {
1472 	struct snd_info_entry *entry;
1473 
1474 	if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1475 		snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1476 }
1477 
1478 /*
1479  *
1480  */
1481 
1482 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1483 				  struct snd_ctl_elem_info *uinfo)
1484 {
1485 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1486 	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1487 	return 0;
1488 }
1489 
1490 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1491 				 struct snd_ctl_elem_value *ucontrol)
1492 {
1493 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1494 
1495 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1496 	return 0;
1497 }
1498 
1499 static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1500 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1501 	.name = "ICE1724 EEPROM",
1502 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1503 	.info = snd_vt1724_eeprom_info,
1504 	.get = snd_vt1724_eeprom_get
1505 };
1506 
1507 /*
1508  */
1509 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1510 				 struct snd_ctl_elem_info *uinfo)
1511 {
1512 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1513 	uinfo->count = 1;
1514 	return 0;
1515 }
1516 
1517 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1518 {
1519 	unsigned int val, rbits;
1520 
1521 	val = diga->status[0] & 0x03; /* professional, non-audio */
1522 	if (val & 0x01) {
1523 		/* professional */
1524 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1525 		    IEC958_AES0_PRO_EMPHASIS_5015)
1526 			val |= 1U << 3;
1527 		rbits = (diga->status[4] >> 3) & 0x0f;
1528 		if (rbits) {
1529 			switch (rbits) {
1530 			case 2: val |= 5 << 12; break; /* 96k */
1531 			case 3: val |= 6 << 12; break; /* 192k */
1532 			case 10: val |= 4 << 12; break; /* 88.2k */
1533 			case 11: val |= 7 << 12; break; /* 176.4k */
1534 			}
1535 		} else {
1536 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1537 			case IEC958_AES0_PRO_FS_44100:
1538 				break;
1539 			case IEC958_AES0_PRO_FS_32000:
1540 				val |= 3U << 12;
1541 				break;
1542 			default:
1543 				val |= 2U << 12;
1544 				break;
1545 			}
1546 		}
1547 	} else {
1548 		/* consumer */
1549 		val |= diga->status[1] & 0x04; /* copyright */
1550 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1551 		    IEC958_AES0_CON_EMPHASIS_5015)
1552 			val |= 1U << 3;
1553 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1554 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1555 	}
1556 	return val;
1557 }
1558 
1559 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1560 {
1561 	memset(diga->status, 0, sizeof(diga->status));
1562 	diga->status[0] = val & 0x03; /* professional, non-audio */
1563 	if (val & 0x01) {
1564 		/* professional */
1565 		if (val & (1U << 3))
1566 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1567 		switch ((val >> 12) & 0x7) {
1568 		case 0:
1569 			break;
1570 		case 2:
1571 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1572 			break;
1573 		default:
1574 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1575 			break;
1576 		}
1577 	} else {
1578 		/* consumer */
1579 		diga->status[0] |= val & (1U << 2); /* copyright */
1580 		if (val & (1U << 3))
1581 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1582 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1583 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1584 	}
1585 }
1586 
1587 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1588 					struct snd_ctl_elem_value *ucontrol)
1589 {
1590 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1591 	unsigned int val;
1592 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1593 	decode_spdif_bits(&ucontrol->value.iec958, val);
1594 	return 0;
1595 }
1596 
1597 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1598 					 struct snd_ctl_elem_value *ucontrol)
1599 {
1600 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1601 	unsigned int val, old;
1602 
1603 	val = encode_spdif_bits(&ucontrol->value.iec958);
1604 	spin_lock_irq(&ice->reg_lock);
1605 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1606 	if (val != old)
1607 		update_spdif_bits(ice, val);
1608 	spin_unlock_irq(&ice->reg_lock);
1609 	return val != old;
1610 }
1611 
1612 static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1613 {
1614 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1615 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1616 	.info =		snd_vt1724_spdif_info,
1617 	.get =		snd_vt1724_spdif_default_get,
1618 	.put =		snd_vt1724_spdif_default_put
1619 };
1620 
1621 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1622 				       struct snd_ctl_elem_value *ucontrol)
1623 {
1624 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1625 						     IEC958_AES0_PROFESSIONAL |
1626 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1627 						     IEC958_AES0_CON_EMPHASIS;
1628 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1629 						     IEC958_AES1_CON_CATEGORY;
1630 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1631 	return 0;
1632 }
1633 
1634 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1635 				       struct snd_ctl_elem_value *ucontrol)
1636 {
1637 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1638 						     IEC958_AES0_PROFESSIONAL |
1639 						     IEC958_AES0_PRO_FS |
1640 						     IEC958_AES0_PRO_EMPHASIS;
1641 	return 0;
1642 }
1643 
1644 static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1645 {
1646 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1647 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1648 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1649 	.info =		snd_vt1724_spdif_info,
1650 	.get =		snd_vt1724_spdif_maskc_get,
1651 };
1652 
1653 static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1654 {
1655 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1656 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1657 	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1658 	.info =		snd_vt1724_spdif_info,
1659 	.get =		snd_vt1724_spdif_maskp_get,
1660 };
1661 
1662 #define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1663 
1664 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1665 				   struct snd_ctl_elem_value *ucontrol)
1666 {
1667 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1668 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1669 		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1670 	return 0;
1671 }
1672 
1673 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1674 				   struct snd_ctl_elem_value *ucontrol)
1675 {
1676 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1677 	unsigned char old, val;
1678 
1679 	spin_lock_irq(&ice->reg_lock);
1680 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1681 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1682 	if (ucontrol->value.integer.value[0])
1683 		val |= VT1724_CFG_SPDIF_OUT_EN;
1684 	if (old != val)
1685 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1686 	spin_unlock_irq(&ice->reg_lock);
1687 	return old != val;
1688 }
1689 
1690 static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1691 {
1692 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1693 	/* FIXME: the following conflict with IEC958 Playback Route */
1694 	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1695 	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1696 	.info =		snd_vt1724_spdif_sw_info,
1697 	.get =		snd_vt1724_spdif_sw_get,
1698 	.put =		snd_vt1724_spdif_sw_put
1699 };
1700 
1701 
1702 #if 0 /* NOT USED YET */
1703 /*
1704  * GPIO access from extern
1705  */
1706 
1707 #define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1708 
1709 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1710 			struct snd_ctl_elem_value *ucontrol)
1711 {
1712 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1713 	int shift = kcontrol->private_value & 0xff;
1714 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1715 
1716 	snd_ice1712_save_gpio_status(ice);
1717 	ucontrol->value.integer.value[0] =
1718 		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1719 	snd_ice1712_restore_gpio_status(ice);
1720 	return 0;
1721 }
1722 
1723 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1724 			 struct snd_ctl_elem_value *ucontrol)
1725 {
1726 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1727 	int shift = kcontrol->private_value & 0xff;
1728 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1729 	unsigned int val, nval;
1730 
1731 	if (kcontrol->private_value & (1 << 31))
1732 		return -EPERM;
1733 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1734 	snd_ice1712_save_gpio_status(ice);
1735 	val = snd_ice1712_gpio_read(ice);
1736 	nval |= val & ~(1 << shift);
1737 	if (val != nval)
1738 		snd_ice1712_gpio_write(ice, nval);
1739 	snd_ice1712_restore_gpio_status(ice);
1740 	return val != nval;
1741 }
1742 #endif /* NOT USED YET */
1743 
1744 /*
1745  *  rate
1746  */
1747 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1748 					      struct snd_ctl_elem_info *uinfo)
1749 {
1750 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1751 
1752 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1753 	uinfo->count = 1;
1754 	uinfo->value.enumerated.items = ice->hw_rates->count + 1;
1755 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1756 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1757 	if (uinfo->value.enumerated.item == uinfo->value.enumerated.items - 1)
1758 		strcpy(uinfo->value.enumerated.name, "IEC958 Input");
1759 	else
1760 		sprintf(uinfo->value.enumerated.name, "%d",
1761 			ice->hw_rates->list[uinfo->value.enumerated.item]);
1762 	return 0;
1763 }
1764 
1765 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1766 					     struct snd_ctl_elem_value *ucontrol)
1767 {
1768 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1769 	unsigned int i, rate;
1770 
1771 	spin_lock_irq(&ice->reg_lock);
1772 	if (ice->is_spdif_master(ice)) {
1773 		ucontrol->value.enumerated.item[0] = ice->hw_rates->count;
1774 	} else {
1775 		rate = ice->get_rate(ice);
1776 		ucontrol->value.enumerated.item[0] = 0;
1777 		for (i = 0; i < ice->hw_rates->count; i++) {
1778 			if (ice->hw_rates->list[i] == rate) {
1779 				ucontrol->value.enumerated.item[0] = i;
1780 				break;
1781 			}
1782 		}
1783 	}
1784 	spin_unlock_irq(&ice->reg_lock);
1785 	return 0;
1786 }
1787 
1788 /* setting clock to external - SPDIF */
1789 static void stdclock_set_spdif_clock(struct snd_ice1712 *ice)
1790 {
1791 	unsigned char oval;
1792 	unsigned char i2s_oval;
1793 	oval = inb(ICEMT1724(ice, RATE));
1794 	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1795 	/* setting 256fs */
1796 	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1797 	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1798 }
1799 
1800 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1801 					     struct snd_ctl_elem_value *ucontrol)
1802 {
1803 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1804 	unsigned int old_rate, new_rate;
1805 	unsigned int item = ucontrol->value.enumerated.item[0];
1806 	unsigned int spdif = ice->hw_rates->count;
1807 
1808 	if (item > spdif)
1809 		return -EINVAL;
1810 
1811 	spin_lock_irq(&ice->reg_lock);
1812 	if (ice->is_spdif_master(ice))
1813 		old_rate = 0;
1814 	else
1815 		old_rate = ice->get_rate(ice);
1816 	if (item == spdif) {
1817 		/* switching to external clock via SPDIF */
1818 		ice->set_spdif_clock(ice);
1819 		new_rate = 0;
1820 	} else {
1821 		/* internal on-card clock */
1822 		new_rate = ice->hw_rates->list[item];
1823 		ice->pro_rate_default = new_rate;
1824 		spin_unlock_irq(&ice->reg_lock);
1825 		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1826 		spin_lock_irq(&ice->reg_lock);
1827 	}
1828 	spin_unlock_irq(&ice->reg_lock);
1829 
1830 	/* the first reset to the SPDIF master mode? */
1831 	if (old_rate != new_rate && !new_rate) {
1832 		/* notify akm chips as well */
1833 		unsigned int i;
1834 		if (ice->gpio.set_pro_rate)
1835 			ice->gpio.set_pro_rate(ice, 0);
1836 		for (i = 0; i < ice->akm_codecs; i++) {
1837 			if (ice->akm[i].ops.set_rate_val)
1838 				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1839 		}
1840 	}
1841 	return old_rate != new_rate;
1842 }
1843 
1844 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1845 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1846 	.name = "Multi Track Internal Clock",
1847 	.info = snd_vt1724_pro_internal_clock_info,
1848 	.get = snd_vt1724_pro_internal_clock_get,
1849 	.put = snd_vt1724_pro_internal_clock_put
1850 };
1851 
1852 #define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1853 
1854 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1855 					   struct snd_ctl_elem_value *ucontrol)
1856 {
1857 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1858 	return 0;
1859 }
1860 
1861 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1862 					   struct snd_ctl_elem_value *ucontrol)
1863 {
1864 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1865 	int change = 0, nval;
1866 
1867 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1868 	spin_lock_irq(&ice->reg_lock);
1869 	change = PRO_RATE_LOCKED != nval;
1870 	PRO_RATE_LOCKED = nval;
1871 	spin_unlock_irq(&ice->reg_lock);
1872 	return change;
1873 }
1874 
1875 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1876 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1877 	.name = "Multi Track Rate Locking",
1878 	.info = snd_vt1724_pro_rate_locking_info,
1879 	.get = snd_vt1724_pro_rate_locking_get,
1880 	.put = snd_vt1724_pro_rate_locking_put
1881 };
1882 
1883 #define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1884 
1885 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1886 					 struct snd_ctl_elem_value *ucontrol)
1887 {
1888 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1889 	return 0;
1890 }
1891 
1892 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1893 					 struct snd_ctl_elem_value *ucontrol)
1894 {
1895 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1896 	int change = 0, nval;
1897 
1898 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1899 	spin_lock_irq(&ice->reg_lock);
1900 	change = PRO_RATE_RESET != nval;
1901 	PRO_RATE_RESET = nval;
1902 	spin_unlock_irq(&ice->reg_lock);
1903 	return change;
1904 }
1905 
1906 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1907 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1908 	.name = "Multi Track Rate Reset",
1909 	.info = snd_vt1724_pro_rate_reset_info,
1910 	.get = snd_vt1724_pro_rate_reset_get,
1911 	.put = snd_vt1724_pro_rate_reset_put
1912 };
1913 
1914 
1915 /*
1916  * routing
1917  */
1918 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1919 				     struct snd_ctl_elem_info *uinfo)
1920 {
1921 	static char *texts[] = {
1922 		"PCM Out", /* 0 */
1923 		"H/W In 0", "H/W In 1", /* 1-2 */
1924 		"IEC958 In L", "IEC958 In R", /* 3-4 */
1925 	};
1926 
1927 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1928 	uinfo->count = 1;
1929 	uinfo->value.enumerated.items = 5;
1930 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1931 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1932 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1933 	return 0;
1934 }
1935 
1936 static inline int analog_route_shift(int idx)
1937 {
1938 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1939 }
1940 
1941 static inline int digital_route_shift(int idx)
1942 {
1943 	return idx * 3;
1944 }
1945 
1946 static int get_route_val(struct snd_ice1712 *ice, int shift)
1947 {
1948 	unsigned long val;
1949 	unsigned char eitem;
1950 	static const unsigned char xlate[8] = {
1951 		0, 255, 1, 2, 255, 255, 3, 4,
1952 	};
1953 
1954 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1955 	val >>= shift;
1956 	val &= 7; /* we now have 3 bits per output */
1957 	eitem = xlate[val];
1958 	if (eitem == 255) {
1959 		snd_BUG();
1960 		return 0;
1961 	}
1962 	return eitem;
1963 }
1964 
1965 static int put_route_val(struct snd_ice1712 *ice, unsigned int val, int shift)
1966 {
1967 	unsigned int old_val, nval;
1968 	int change;
1969 	static const unsigned char xroute[8] = {
1970 		0, /* PCM */
1971 		2, /* PSDIN0 Left */
1972 		3, /* PSDIN0 Right */
1973 		6, /* SPDIN Left */
1974 		7, /* SPDIN Right */
1975 	};
1976 
1977 	nval = xroute[val % 5];
1978 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1979 	val &= ~(0x07 << shift);
1980 	val |= nval << shift;
1981 	change = val != old_val;
1982 	if (change)
1983 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1984 	return change;
1985 }
1986 
1987 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
1988 					   struct snd_ctl_elem_value *ucontrol)
1989 {
1990 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1991 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1992 	ucontrol->value.enumerated.item[0] =
1993 		get_route_val(ice, analog_route_shift(idx));
1994 	return 0;
1995 }
1996 
1997 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
1998 					   struct snd_ctl_elem_value *ucontrol)
1999 {
2000 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2001 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2002 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
2003 			     analog_route_shift(idx));
2004 }
2005 
2006 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2007 					  struct snd_ctl_elem_value *ucontrol)
2008 {
2009 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2010 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2011 	ucontrol->value.enumerated.item[0] =
2012 		get_route_val(ice, digital_route_shift(idx));
2013 	return 0;
2014 }
2015 
2016 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2017 					  struct snd_ctl_elem_value *ucontrol)
2018 {
2019 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2020 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2021 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
2022 			     digital_route_shift(idx));
2023 }
2024 
2025 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata = {
2026 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2027 	.name = "H/W Playback Route",
2028 	.info = snd_vt1724_pro_route_info,
2029 	.get = snd_vt1724_pro_route_analog_get,
2030 	.put = snd_vt1724_pro_route_analog_put,
2031 };
2032 
2033 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
2034 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2035 	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2036 	.info = snd_vt1724_pro_route_info,
2037 	.get = snd_vt1724_pro_route_spdif_get,
2038 	.put = snd_vt1724_pro_route_spdif_put,
2039 	.count = 2,
2040 };
2041 
2042 
2043 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2044 				    struct snd_ctl_elem_info *uinfo)
2045 {
2046 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2047 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2048 	uinfo->value.integer.min = 0;
2049 	uinfo->value.integer.max = 255;
2050 	return 0;
2051 }
2052 
2053 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2054 				   struct snd_ctl_elem_value *ucontrol)
2055 {
2056 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2057 	int idx;
2058 
2059 	spin_lock_irq(&ice->reg_lock);
2060 	for (idx = 0; idx < 22; idx++) {
2061 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2062 		ucontrol->value.integer.value[idx] =
2063 			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2064 	}
2065 	spin_unlock_irq(&ice->reg_lock);
2066 	return 0;
2067 }
2068 
2069 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
2070 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2071 	.name = "Multi Track Peak",
2072 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2073 	.info = snd_vt1724_pro_peak_info,
2074 	.get = snd_vt1724_pro_peak_get
2075 };
2076 
2077 /*
2078  *
2079  */
2080 
2081 static struct snd_ice1712_card_info no_matched __devinitdata;
2082 
2083 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
2084 	snd_vt1724_revo_cards,
2085 	snd_vt1724_amp_cards,
2086 	snd_vt1724_aureon_cards,
2087 	snd_vt1720_mobo_cards,
2088 	snd_vt1720_pontis_cards,
2089 	snd_vt1724_prodigy_hifi_cards,
2090 	snd_vt1724_prodigy192_cards,
2091 	snd_vt1724_juli_cards,
2092 	snd_vt1724_phase_cards,
2093 	snd_vt1724_wtm_cards,
2094 	snd_vt1724_se_cards,
2095 	NULL,
2096 };
2097 
2098 
2099 /*
2100  */
2101 
2102 static void wait_i2c_busy(struct snd_ice1712 *ice)
2103 {
2104 	int t = 0x10000;
2105 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2106 		;
2107 	if (t == -1)
2108 		printk(KERN_ERR "ice1724: i2c busy timeout\n");
2109 }
2110 
2111 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2112 				  unsigned char dev, unsigned char addr)
2113 {
2114 	unsigned char val;
2115 
2116 	mutex_lock(&ice->i2c_mutex);
2117 	wait_i2c_busy(ice);
2118 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2119 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2120 	wait_i2c_busy(ice);
2121 	val = inb(ICEREG1724(ice, I2C_DATA));
2122 	mutex_unlock(&ice->i2c_mutex);
2123 	/* printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val); */
2124 	return val;
2125 }
2126 
2127 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2128 			  unsigned char dev, unsigned char addr, unsigned char data)
2129 {
2130 	mutex_lock(&ice->i2c_mutex);
2131 	wait_i2c_busy(ice);
2132 	/* printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data); */
2133 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2134 	outb(data, ICEREG1724(ice, I2C_DATA));
2135 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2136 	wait_i2c_busy(ice);
2137 	mutex_unlock(&ice->i2c_mutex);
2138 }
2139 
2140 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2141 					    const char *modelname)
2142 {
2143 	const int dev = 0xa0;		/* EEPROM device address */
2144 	unsigned int i, size;
2145 	struct snd_ice1712_card_info * const *tbl, *c;
2146 
2147 	if (!modelname || !*modelname) {
2148 		ice->eeprom.subvendor = 0;
2149 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2150 			ice->eeprom.subvendor =
2151 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2152 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2153 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2154 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2155 		if (ice->eeprom.subvendor == 0 ||
2156 		    ice->eeprom.subvendor == (unsigned int)-1) {
2157 			/* invalid subvendor from EEPROM, try the PCI
2158 			 * subststem ID instead
2159 			 */
2160 			u16 vendor, device;
2161 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2162 					     &vendor);
2163 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2164 			ice->eeprom.subvendor =
2165 				((unsigned int)swab16(vendor) << 16) | swab16(device);
2166 			if (ice->eeprom.subvendor == 0 ||
2167 			    ice->eeprom.subvendor == (unsigned int)-1) {
2168 				printk(KERN_ERR "ice1724: No valid ID is found\n");
2169 				return -ENXIO;
2170 			}
2171 		}
2172 	}
2173 	for (tbl = card_tables; *tbl; tbl++) {
2174 		for (c = *tbl; c->subvendor; c++) {
2175 			if (modelname && c->model &&
2176 			    !strcmp(modelname, c->model)) {
2177 				printk(KERN_INFO "ice1724: Using board model %s\n",
2178 				       c->name);
2179 				ice->eeprom.subvendor = c->subvendor;
2180 			} else if (c->subvendor != ice->eeprom.subvendor)
2181 				continue;
2182 			if (!c->eeprom_size || !c->eeprom_data)
2183 				goto found;
2184 			/* if the EEPROM is given by the driver, use it */
2185 			snd_printdd("using the defined eeprom..\n");
2186 			ice->eeprom.version = 2;
2187 			ice->eeprom.size = c->eeprom_size + 6;
2188 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2189 			goto read_skipped;
2190 		}
2191 	}
2192 	printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2193 	       ice->eeprom.subvendor);
2194 
2195  found:
2196 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2197 	if (ice->eeprom.size < 6)
2198 		ice->eeprom.size = 32;
2199 	else if (ice->eeprom.size > 32) {
2200 		printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2201 		       ice->eeprom.size);
2202 		return -EIO;
2203 	}
2204 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2205 	if (ice->eeprom.version != 2)
2206 		printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2207 		       ice->eeprom.version);
2208 	size = ice->eeprom.size - 6;
2209 	for (i = 0; i < size; i++)
2210 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2211 
2212  read_skipped:
2213 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2214 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2215 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2216 
2217 	return 0;
2218 }
2219 
2220 
2221 
2222 static void __devinit snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2223 {
2224 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2225 	msleep(10);
2226 	outb(0, ICEREG1724(ice, CONTROL));
2227 	msleep(10);
2228 }
2229 
2230 static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice)
2231 {
2232 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2233 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2234 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2235 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2236 
2237 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2238 	ice->gpio.direction = ice->eeprom.gpiodir;
2239 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2240 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2241 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2242 
2243 	outb(0, ICEREG1724(ice, POWERDOWN));
2244 
2245 	return 0;
2246 }
2247 
2248 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2249 {
2250 	int err;
2251 	struct snd_kcontrol *kctl;
2252 
2253 	if (snd_BUG_ON(!ice->pcm))
2254 		return -EIO;
2255 
2256 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2257 	if (err < 0)
2258 		return err;
2259 
2260 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2261 	if (err < 0)
2262 		return err;
2263 
2264 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2265 	if (err < 0)
2266 		return err;
2267 	kctl->id.device = ice->pcm->device;
2268 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2269 	if (err < 0)
2270 		return err;
2271 	kctl->id.device = ice->pcm->device;
2272 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2273 	if (err < 0)
2274 		return err;
2275 	kctl->id.device = ice->pcm->device;
2276 #if 0 /* use default only */
2277 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2278 	if (err < 0)
2279 		return err;
2280 	kctl->id.device = ice->pcm->device;
2281 	ice->spdif.stream_ctl = kctl;
2282 #endif
2283 	return 0;
2284 }
2285 
2286 
2287 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2288 {
2289 	int err;
2290 
2291 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2292 	if (err < 0)
2293 		return err;
2294 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2295 	if (err < 0)
2296 		return err;
2297 
2298 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2299 	if (err < 0)
2300 		return err;
2301 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2302 	if (err < 0)
2303 		return err;
2304 
2305 	if (ice->num_total_dacs > 0) {
2306 		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2307 		tmp.count = ice->num_total_dacs;
2308 		if (ice->vt1720 && tmp.count > 2)
2309 			tmp.count = 2;
2310 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2311 		if (err < 0)
2312 			return err;
2313 	}
2314 
2315 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2316 	if (err < 0)
2317 		return err;
2318 
2319 	return 0;
2320 }
2321 
2322 static int snd_vt1724_free(struct snd_ice1712 *ice)
2323 {
2324 	if (!ice->port)
2325 		goto __hw_end;
2326 	/* mask all interrupts */
2327 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2328 	outb(0xff, ICEREG1724(ice, IRQMASK));
2329 	/* --- */
2330 __hw_end:
2331 	if (ice->irq >= 0)
2332 		free_irq(ice->irq, ice);
2333 	pci_release_regions(ice->pci);
2334 	snd_ice1712_akm4xxx_free(ice);
2335 	pci_disable_device(ice->pci);
2336 	kfree(ice->spec);
2337 	kfree(ice);
2338 	return 0;
2339 }
2340 
2341 static int snd_vt1724_dev_free(struct snd_device *device)
2342 {
2343 	struct snd_ice1712 *ice = device->device_data;
2344 	return snd_vt1724_free(ice);
2345 }
2346 
2347 static int __devinit snd_vt1724_create(struct snd_card *card,
2348 				       struct pci_dev *pci,
2349 				       const char *modelname,
2350 				       struct snd_ice1712 **r_ice1712)
2351 {
2352 	struct snd_ice1712 *ice;
2353 	int err;
2354 	unsigned char mask;
2355 	static struct snd_device_ops ops = {
2356 		.dev_free =	snd_vt1724_dev_free,
2357 	};
2358 
2359 	*r_ice1712 = NULL;
2360 
2361 	/* enable PCI device */
2362 	err = pci_enable_device(pci);
2363 	if (err < 0)
2364 		return err;
2365 
2366 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2367 	if (ice == NULL) {
2368 		pci_disable_device(pci);
2369 		return -ENOMEM;
2370 	}
2371 	ice->vt1724 = 1;
2372 	spin_lock_init(&ice->reg_lock);
2373 	mutex_init(&ice->gpio_mutex);
2374 	mutex_init(&ice->open_mutex);
2375 	mutex_init(&ice->i2c_mutex);
2376 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2377 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2378 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2379 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2380 	ice->card = card;
2381 	ice->pci = pci;
2382 	ice->irq = -1;
2383 	pci_set_master(pci);
2384 	snd_vt1724_proc_init(ice);
2385 	synchronize_irq(pci->irq);
2386 
2387 	err = pci_request_regions(pci, "ICE1724");
2388 	if (err < 0) {
2389 		kfree(ice);
2390 		pci_disable_device(pci);
2391 		return err;
2392 	}
2393 	ice->port = pci_resource_start(pci, 0);
2394 	ice->profi_port = pci_resource_start(pci, 1);
2395 
2396 	if (request_irq(pci->irq, snd_vt1724_interrupt,
2397 			IRQF_SHARED, "ICE1724", ice)) {
2398 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2399 		snd_vt1724_free(ice);
2400 		return -EIO;
2401 	}
2402 
2403 	ice->irq = pci->irq;
2404 
2405 	snd_vt1724_chip_reset(ice);
2406 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2407 		snd_vt1724_free(ice);
2408 		return -EIO;
2409 	}
2410 	if (snd_vt1724_chip_init(ice) < 0) {
2411 		snd_vt1724_free(ice);
2412 		return -EIO;
2413 	}
2414 
2415 	/* unmask used interrupts */
2416 	mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2417 	outb(mask, ICEREG1724(ice, IRQMASK));
2418 	/* don't handle FIFO overrun/underruns (just yet),
2419 	 * since they cause machine lockups
2420 	 */
2421 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2422 
2423 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2424 	if (err < 0) {
2425 		snd_vt1724_free(ice);
2426 		return err;
2427 	}
2428 
2429 	snd_card_set_dev(card, &pci->dev);
2430 
2431 	*r_ice1712 = ice;
2432 	return 0;
2433 }
2434 
2435 
2436 /*
2437  *
2438  * Registration
2439  *
2440  */
2441 
2442 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2443 				      const struct pci_device_id *pci_id)
2444 {
2445 	static int dev;
2446 	struct snd_card *card;
2447 	struct snd_ice1712 *ice;
2448 	int pcm_dev = 0, err;
2449 	struct snd_ice1712_card_info * const *tbl, *c;
2450 
2451 	if (dev >= SNDRV_CARDS)
2452 		return -ENODEV;
2453 	if (!enable[dev]) {
2454 		dev++;
2455 		return -ENOENT;
2456 	}
2457 
2458 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2459 	if (card == NULL)
2460 		return -ENOMEM;
2461 
2462 	strcpy(card->driver, "ICE1724");
2463 	strcpy(card->shortname, "ICEnsemble ICE1724");
2464 
2465 	err = snd_vt1724_create(card, pci, model[dev], &ice);
2466 	if (err < 0) {
2467 		snd_card_free(card);
2468 		return err;
2469 	}
2470 
2471 	for (tbl = card_tables; *tbl; tbl++) {
2472 		for (c = *tbl; c->subvendor; c++) {
2473 			if (c->subvendor == ice->eeprom.subvendor) {
2474 				strcpy(card->shortname, c->name);
2475 				if (c->driver) /* specific driver? */
2476 					strcpy(card->driver, c->driver);
2477 				if (c->chip_init) {
2478 					err = c->chip_init(ice);
2479 					if (err < 0) {
2480 						snd_card_free(card);
2481 						return err;
2482 					}
2483 				}
2484 				goto __found;
2485 			}
2486 		}
2487 	}
2488 	c = &no_matched;
2489 __found:
2490 	/*
2491 	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2492 	* ICE1712 has only one for both (mixed up).
2493 	*
2494 	* Confusingly the analog PCM is named "professional" here because it
2495 	* was called so in ice1712 driver, and vt1724 driver is derived from
2496 	* ice1712 driver.
2497 	*/
2498 	ice->pro_rate_default = PRO_RATE_DEFAULT;
2499 	if (!ice->is_spdif_master)
2500 		ice->is_spdif_master = stdclock_is_spdif_master;
2501 	if (!ice->get_rate)
2502 		ice->get_rate = stdclock_get_rate;
2503 	if (!ice->set_rate)
2504 		ice->set_rate = stdclock_set_rate;
2505 	if (!ice->set_mclk)
2506 		ice->set_mclk = stdclock_set_mclk;
2507 	if (!ice->set_spdif_clock)
2508 		ice->set_spdif_clock = stdclock_set_spdif_clock;
2509 	if (!ice->hw_rates)
2510 		set_std_hw_rates(ice);
2511 
2512 	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2513 	if (err < 0) {
2514 		snd_card_free(card);
2515 		return err;
2516 	}
2517 
2518 	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2519 	if (err < 0) {
2520 		snd_card_free(card);
2521 		return err;
2522 	}
2523 
2524 	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2525 	if (err < 0) {
2526 		snd_card_free(card);
2527 		return err;
2528 	}
2529 
2530 	err = snd_vt1724_ac97_mixer(ice);
2531 	if (err < 0) {
2532 		snd_card_free(card);
2533 		return err;
2534 	}
2535 
2536 	err = snd_vt1724_build_controls(ice);
2537 	if (err < 0) {
2538 		snd_card_free(card);
2539 		return err;
2540 	}
2541 
2542 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2543 		err = snd_vt1724_spdif_build_controls(ice);
2544 		if (err < 0) {
2545 			snd_card_free(card);
2546 			return err;
2547 		}
2548 	}
2549 
2550 	if (c->build_controls) {
2551 		err = c->build_controls(ice);
2552 		if (err < 0) {
2553 			snd_card_free(card);
2554 			return err;
2555 		}
2556 	}
2557 
2558 	if (!c->no_mpu401) {
2559 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2560 			struct snd_rawmidi *rmidi;
2561 
2562 			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2563 			if (err < 0) {
2564 				snd_card_free(card);
2565 				return err;
2566 			}
2567 			ice->rmidi[0] = rmidi;
2568 			rmidi->private_data = ice;
2569 			strcpy(rmidi->name, "ICE1724 MIDI");
2570 			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2571 					    SNDRV_RAWMIDI_INFO_INPUT |
2572 					    SNDRV_RAWMIDI_INFO_DUPLEX;
2573 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2574 					    &vt1724_midi_output_ops);
2575 			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2576 					    &vt1724_midi_input_ops);
2577 
2578 			/* set watermarks */
2579 			outb(VT1724_MPU_RX_FIFO | 0x1,
2580 			     ICEREG1724(ice, MPU_FIFO_WM));
2581 			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2582 			/* set UART mode */
2583 			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2584 		}
2585 	}
2586 
2587 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2588 		card->shortname, ice->port, ice->irq);
2589 
2590 	err = snd_card_register(card);
2591 	if (err < 0) {
2592 		snd_card_free(card);
2593 		return err;
2594 	}
2595 	pci_set_drvdata(pci, card);
2596 	dev++;
2597 	return 0;
2598 }
2599 
2600 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2601 {
2602 	snd_card_free(pci_get_drvdata(pci));
2603 	pci_set_drvdata(pci, NULL);
2604 }
2605 
2606 static struct pci_driver driver = {
2607 	.name = "ICE1724",
2608 	.id_table = snd_vt1724_ids,
2609 	.probe = snd_vt1724_probe,
2610 	.remove = __devexit_p(snd_vt1724_remove),
2611 };
2612 
2613 static int __init alsa_card_ice1724_init(void)
2614 {
2615 	return pci_register_driver(&driver);
2616 }
2617 
2618 static void __exit alsa_card_ice1724_exit(void)
2619 {
2620 	pci_unregister_driver(&driver);
2621 }
2622 
2623 module_init(alsa_card_ice1724_init)
2624 module_exit(alsa_card_ice1724_exit)
2625