xref: /linux/sound/pci/ice1712/ice1724.c (revision 9ce7677cfd7cd871adb457c80bea3b581b839641)
1 /*
2  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
3  *                   VIA VT1720 (Envy24PT)
4  *
5  *	Copyright (c) 2000 Jaroslav Kysela <perex@suse.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 <sound/driver.h>
26 #include <asm/io.h>
27 #include <linux/delay.h>
28 #include <linux/interrupt.h>
29 #include <linux/init.h>
30 #include <linux/pci.h>
31 #include <linux/slab.h>
32 #include <linux/moduleparam.h>
33 #include <sound/core.h>
34 #include <sound/info.h>
35 #include <sound/mpu401.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 "juli.h"
51 #include "phase.h"
52 
53 
54 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
55 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
56 MODULE_LICENSE("GPL");
57 MODULE_SUPPORTED_DEVICE("{"
58 	       REVO_DEVICE_DESC
59 	       AMP_AUDIO2000_DEVICE_DESC
60 	       AUREON_DEVICE_DESC
61 	       VT1720_MOBO_DEVICE_DESC
62 	       PONTIS_DEVICE_DESC
63 	       PRODIGY192_DEVICE_DESC
64 	       JULI_DEVICE_DESC
65 	       PHASE_DEVICE_DESC
66 		"{VIA,VT1720},"
67 		"{VIA,VT1724},"
68 		"{ICEnsemble,Generic ICE1724},"
69 		"{ICEnsemble,Generic Envy24HT}"
70 		"{ICEnsemble,Generic Envy24PT}}");
71 
72 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
73 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
74 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
75 static char *model[SNDRV_CARDS];
76 
77 module_param_array(index, int, NULL, 0444);
78 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
79 module_param_array(id, charp, NULL, 0444);
80 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
81 module_param_array(enable, bool, NULL, 0444);
82 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
83 module_param_array(model, charp, NULL, 0444);
84 MODULE_PARM_DESC(model, "Use the given board model.");
85 
86 
87 /* Both VT1720 and VT1724 have the same PCI IDs */
88 static struct pci_device_id snd_vt1724_ids[] = {
89 	{ PCI_VENDOR_ID_ICE, PCI_DEVICE_ID_VT1724, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
90 	{ 0, }
91 };
92 
93 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
94 
95 
96 static int PRO_RATE_LOCKED;
97 static int PRO_RATE_RESET = 1;
98 static unsigned int PRO_RATE_DEFAULT = 44100;
99 
100 /*
101  *  Basic I/O
102  */
103 
104 /* check whether the clock mode is spdif-in */
105 static inline int is_spdif_master(ice1712_t *ice)
106 {
107 	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
108 }
109 
110 static inline int is_pro_rate_locked(ice1712_t *ice)
111 {
112 	return is_spdif_master(ice) || PRO_RATE_LOCKED;
113 }
114 
115 /*
116  * ac97 section
117  */
118 
119 static unsigned char snd_vt1724_ac97_ready(ice1712_t *ice)
120 {
121 	unsigned char old_cmd;
122 	int tm;
123 	for (tm = 0; tm < 0x10000; tm++) {
124 		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
125 		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
126 			continue;
127 		if (!(old_cmd & VT1724_AC97_READY))
128 			continue;
129 		return old_cmd;
130 	}
131 	snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
132 	return old_cmd;
133 }
134 
135 static int snd_vt1724_ac97_wait_bit(ice1712_t *ice, unsigned char bit)
136 {
137 	int tm;
138 	for (tm = 0; tm < 0x10000; tm++)
139 		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
140 			return 0;
141 	snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
142 	return -EIO;
143 }
144 
145 static void snd_vt1724_ac97_write(ac97_t *ac97,
146 				  unsigned short reg,
147 				  unsigned short val)
148 {
149 	ice1712_t *ice = (ice1712_t *)ac97->private_data;
150 	unsigned char old_cmd;
151 
152 	old_cmd = snd_vt1724_ac97_ready(ice);
153 	old_cmd &= ~VT1724_AC97_ID_MASK;
154 	old_cmd |= ac97->num;
155 	outb(reg, ICEMT1724(ice, AC97_INDEX));
156 	outw(val, ICEMT1724(ice, AC97_DATA));
157 	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
158 	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
159 }
160 
161 static unsigned short snd_vt1724_ac97_read(ac97_t *ac97, unsigned short reg)
162 {
163 	ice1712_t *ice = (ice1712_t *)ac97->private_data;
164 	unsigned char old_cmd;
165 
166 	old_cmd = snd_vt1724_ac97_ready(ice);
167 	old_cmd &= ~VT1724_AC97_ID_MASK;
168 	old_cmd |= ac97->num;
169 	outb(reg, ICEMT1724(ice, AC97_INDEX));
170 	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
171 	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
172 		return ~0;
173 	return inw(ICEMT1724(ice, AC97_DATA));
174 }
175 
176 
177 /*
178  * GPIO operations
179  */
180 
181 /* set gpio direction 0 = read, 1 = write */
182 static void snd_vt1724_set_gpio_dir(ice1712_t *ice, unsigned int data)
183 {
184 	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
185 	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
186 }
187 
188 /* set the gpio mask (0 = writable) */
189 static void snd_vt1724_set_gpio_mask(ice1712_t *ice, unsigned int data)
190 {
191 	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
192 	if (! ice->vt1720) /* VT1720 supports only 16 GPIO bits */
193 		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
194 	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
195 }
196 
197 static void snd_vt1724_set_gpio_data(ice1712_t *ice, unsigned int data)
198 {
199 	outw(data, ICEREG1724(ice, GPIO_DATA));
200 	if (! ice->vt1720)
201 		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
202 	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
203 }
204 
205 static unsigned int snd_vt1724_get_gpio_data(ice1712_t *ice)
206 {
207 	unsigned int data;
208 	if (! ice->vt1720)
209 		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
210 	else
211 		data = 0;
212 	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
213 	return data;
214 }
215 
216 /*
217  *  Interrupt handler
218  */
219 
220 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id, struct pt_regs *regs)
221 {
222 	ice1712_t *ice = dev_id;
223 	unsigned char status;
224 	int handled = 0;
225 
226 	while (1) {
227 		status = inb(ICEREG1724(ice, IRQSTAT));
228 		if (status == 0)
229 			break;
230 
231 		handled = 1;
232 		/*  these should probably be separated at some point,
233 			but as we don't currently have MPU support on the board I will leave it */
234 		if ((status & VT1724_IRQ_MPU_RX)||(status & VT1724_IRQ_MPU_TX)) {
235 			if (ice->rmidi[0])
236 				snd_mpu401_uart_interrupt(irq, ice->rmidi[0]->private_data, regs);
237 			outb(status & (VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX), ICEREG1724(ice, IRQSTAT));
238 			status &= ~(VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX);
239 		}
240 		if (status & VT1724_IRQ_MTPCM) {
241 			/*
242 			 * Multi-track PCM
243 			 * PCM assignment are:
244 			 * Playback DMA0 (M/C) = playback_pro_substream
245 			 * Playback DMA1 = playback_con_substream_ds[0]
246 			 * Playback DMA2 = playback_con_substream_ds[1]
247 			 * Playback DMA3 = playback_con_substream_ds[2]
248 			 * Playback DMA4 (SPDIF) = playback_con_substream
249 			 * Record DMA0 = capture_pro_substream
250 			 * Record DMA1 = capture_con_substream
251 			 */
252 			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
253 			if (mtstat & VT1724_MULTI_PDMA0) {
254 				if (ice->playback_pro_substream)
255 					snd_pcm_period_elapsed(ice->playback_pro_substream);
256 			}
257 			if (mtstat & VT1724_MULTI_RDMA0) {
258 				if (ice->capture_pro_substream)
259 					snd_pcm_period_elapsed(ice->capture_pro_substream);
260 			}
261 			if (mtstat & VT1724_MULTI_PDMA1) {
262 				if (ice->playback_con_substream_ds[0])
263 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
264 			}
265 			if (mtstat & VT1724_MULTI_PDMA2) {
266 				if (ice->playback_con_substream_ds[1])
267 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
268 			}
269 			if (mtstat & VT1724_MULTI_PDMA3) {
270 				if (ice->playback_con_substream_ds[2])
271 					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
272 			}
273 			if (mtstat & VT1724_MULTI_PDMA4) {
274 				if (ice->playback_con_substream)
275 					snd_pcm_period_elapsed(ice->playback_con_substream);
276 			}
277 			if (mtstat & VT1724_MULTI_RDMA1) {
278 				if (ice->capture_con_substream)
279 					snd_pcm_period_elapsed(ice->capture_con_substream);
280 			}
281 			/* ack anyway to avoid freeze */
282 			outb(mtstat, ICEMT1724(ice, IRQ));
283 			/* ought to really handle this properly */
284 			if (mtstat & VT1724_MULTI_FIFO_ERR) {
285 				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
286 				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
287 				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
288 				/* If I don't do this, I get machine lockup due to continual interrupts */
289 			}
290 
291 		}
292 	}
293 	return IRQ_RETVAL(handled);
294 }
295 
296 /*
297  *  PCM code - professional part (multitrack)
298  */
299 
300 static unsigned int rates[] = {
301 	8000, 9600, 11025, 12000, 16000, 22050, 24000,
302 	32000, 44100, 48000, 64000, 88200, 96000,
303 	176400, 192000,
304 };
305 
306 static snd_pcm_hw_constraint_list_t hw_constraints_rates_96 = {
307 	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
308 	.list = rates,
309 	.mask = 0,
310 };
311 
312 static snd_pcm_hw_constraint_list_t hw_constraints_rates_48 = {
313 	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
314 	.list = rates,
315 	.mask = 0,
316 };
317 
318 static snd_pcm_hw_constraint_list_t hw_constraints_rates_192 = {
319 	.count = ARRAY_SIZE(rates),
320 	.list = rates,
321 	.mask = 0,
322 };
323 
324 struct vt1724_pcm_reg {
325 	unsigned int addr;	/* ADDR register offset */
326 	unsigned int size;	/* SIZE register offset */
327 	unsigned int count;	/* COUNT register offset */
328 	unsigned int start;	/* start & pause bit */
329 };
330 
331 static int snd_vt1724_pcm_trigger(snd_pcm_substream_t *substream, int cmd)
332 {
333 	ice1712_t *ice = snd_pcm_substream_chip(substream);
334 	unsigned char what;
335 	unsigned char old;
336 	struct list_head *pos;
337 	snd_pcm_substream_t *s;
338 
339 	what = 0;
340 	snd_pcm_group_for_each(pos, substream) {
341 		struct vt1724_pcm_reg *reg;
342 		s = snd_pcm_group_substream_entry(pos);
343 		reg = s->runtime->private_data;
344 		what |= reg->start;
345 		snd_pcm_trigger_done(s, substream);
346 	}
347 
348 	switch (cmd) {
349 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
350 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
351 		spin_lock(&ice->reg_lock);
352 		old = inb(ICEMT1724(ice, DMA_PAUSE));
353 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
354 			old |= what;
355 		else
356 			old &= ~what;
357 		outb(old, ICEMT1724(ice, DMA_PAUSE));
358 		spin_unlock(&ice->reg_lock);
359 		break;
360 
361 	case SNDRV_PCM_TRIGGER_START:
362 	case SNDRV_PCM_TRIGGER_STOP:
363 		spin_lock(&ice->reg_lock);
364 		old = inb(ICEMT1724(ice, DMA_CONTROL));
365 		if (cmd == SNDRV_PCM_TRIGGER_START)
366 			old |= what;
367 		else
368 			old &= ~what;
369 		outb(old, ICEMT1724(ice, DMA_CONTROL));
370 		spin_unlock(&ice->reg_lock);
371 		break;
372 
373 	default:
374 		return -EINVAL;
375 	}
376 	return 0;
377 }
378 
379 /*
380  */
381 
382 #define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
383 	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
384 #define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
385 	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
386 
387 static int get_max_rate(ice1712_t *ice)
388 {
389 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
390 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
391 			return 192000;
392 		else
393 			return 96000;
394 	} else
395 		return 48000;
396 }
397 
398 static void snd_vt1724_set_pro_rate(ice1712_t *ice, unsigned int rate, int force)
399 {
400 	unsigned long flags;
401 	unsigned char val, old;
402 	unsigned int i, mclk_change;
403 
404 	if (rate > get_max_rate(ice))
405 		return;
406 
407 	switch (rate) {
408 	case 8000: val = 6; break;
409 	case 9600: val = 3; break;
410 	case 11025: val = 10; break;
411 	case 12000: val = 2; break;
412 	case 16000: val = 5; break;
413 	case 22050: val = 9; break;
414 	case 24000: val = 1; break;
415 	case 32000: val = 4; break;
416 	case 44100: val = 8; break;
417 	case 48000: val = 0; break;
418 	case 64000: val = 15; break;
419 	case 88200: val = 11; break;
420 	case 96000: val = 7; break;
421 	case 176400: val = 12; break;
422 	case 192000: val = 14; break;
423 	default:
424 		snd_BUG();
425 		val = 0;
426 		break;
427 	}
428 
429 	spin_lock_irqsave(&ice->reg_lock, flags);
430 	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
431 	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
432 		/* running? we cannot change the rate now... */
433 		spin_unlock_irqrestore(&ice->reg_lock, flags);
434 		return;
435 	}
436 	if (!force && is_pro_rate_locked(ice)) {
437 		spin_unlock_irqrestore(&ice->reg_lock, flags);
438 		return;
439 	}
440 
441 	old = inb(ICEMT1724(ice, RATE));
442 	if (force || old != val)
443 		outb(val, ICEMT1724(ice, RATE));
444 	else if (rate == ice->cur_rate) {
445 		spin_unlock_irqrestore(&ice->reg_lock, flags);
446 		return;
447 	}
448 
449 	ice->cur_rate = rate;
450 
451 	/* check MT02 */
452 	mclk_change = 0;
453 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
454 		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
455 		if (rate > 96000)
456 			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
457 		else
458 			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
459 		if (val != old) {
460 			outb(val, ICEMT1724(ice, I2S_FORMAT));
461 			mclk_change = 1;
462 		}
463 	}
464 	spin_unlock_irqrestore(&ice->reg_lock, flags);
465 
466 	if (mclk_change && ice->gpio.i2s_mclk_changed)
467 		ice->gpio.i2s_mclk_changed(ice);
468 	if (ice->gpio.set_pro_rate)
469 		ice->gpio.set_pro_rate(ice, rate);
470 
471 	/* set up codecs */
472 	for (i = 0; i < ice->akm_codecs; i++) {
473 		if (ice->akm[i].ops.set_rate_val)
474 			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
475 	}
476 	if (ice->spdif.ops.setup_rate)
477 		ice->spdif.ops.setup_rate(ice, rate);
478 }
479 
480 static int snd_vt1724_pcm_hw_params(snd_pcm_substream_t * substream,
481 				    snd_pcm_hw_params_t * hw_params)
482 {
483 	ice1712_t *ice = snd_pcm_substream_chip(substream);
484 	int i, chs;
485 
486 	chs = params_channels(hw_params);
487 	down(&ice->open_mutex);
488 	/* mark surround channels */
489 	if (substream == ice->playback_pro_substream) {
490 		/* PDMA0 can be multi-channel up to 8 */
491 		chs = chs / 2 - 1;
492 		for (i = 0; i < chs; i++) {
493 			if (ice->pcm_reserved[i] && ice->pcm_reserved[i] != substream) {
494 				up(&ice->open_mutex);
495 				return -EBUSY;
496 			}
497 			ice->pcm_reserved[i] = substream;
498 		}
499 		for (; i < 3; i++) {
500 			if (ice->pcm_reserved[i] == substream)
501 				ice->pcm_reserved[i] = NULL;
502 		}
503 	} else {
504 		for (i = 0; i < 3; i++) {
505 			/* check individual playback stream */
506 			if (ice->playback_con_substream_ds[i] == substream) {
507 				if (ice->pcm_reserved[i] && ice->pcm_reserved[i] != substream) {
508 					up(&ice->open_mutex);
509 					return -EBUSY;
510 				}
511 				ice->pcm_reserved[i] = substream;
512 				break;
513 			}
514 		}
515 	}
516 	up(&ice->open_mutex);
517 	snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
518 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
519 }
520 
521 static int snd_vt1724_pcm_hw_free(snd_pcm_substream_t * substream)
522 {
523 	ice1712_t *ice = snd_pcm_substream_chip(substream);
524 	int i;
525 
526 	down(&ice->open_mutex);
527 	/* unmark surround channels */
528 	for (i = 0; i < 3; i++)
529 		if (ice->pcm_reserved[i] == substream)
530 			ice->pcm_reserved[i] = NULL;
531 	up(&ice->open_mutex);
532 	return snd_pcm_lib_free_pages(substream);
533 }
534 
535 static int snd_vt1724_playback_pro_prepare(snd_pcm_substream_t * substream)
536 {
537 	ice1712_t *ice = snd_pcm_substream_chip(substream);
538 	unsigned char val;
539 	unsigned int size;
540 
541 	spin_lock_irq(&ice->reg_lock);
542 	val = (8 - substream->runtime->channels) >> 1;
543 	outb(val, ICEMT1724(ice, BURST));
544 
545 	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
546 
547 	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
548 	// outl(size, ICEMT1724(ice, PLAYBACK_SIZE));
549 	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
550 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
551 	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
552 	// outl(size, ICEMT1724(ice, PLAYBACK_COUNT));
553 	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
554 	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
555 
556 	spin_unlock_irq(&ice->reg_lock);
557 
558 	// 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));
559 	return 0;
560 }
561 
562 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(snd_pcm_substream_t * substream)
563 {
564 	ice1712_t *ice = snd_pcm_substream_chip(substream);
565 	size_t ptr;
566 
567 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
568 		return 0;
569 #if 0 /* read PLAYBACK_ADDR */
570 	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
571 	if (ptr < substream->runtime->dma_addr) {
572 		snd_printd("ice1724: invalid negative ptr\n");
573 		return 0;
574 	}
575 	ptr -= substream->runtime->dma_addr;
576 	ptr = bytes_to_frames(substream->runtime, ptr);
577 	if (ptr >= substream->runtime->buffer_size) {
578 		snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->period_size);
579 		return 0;
580 	}
581 #else /* read PLAYBACK_SIZE */
582 	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
583 	ptr = (ptr + 1) << 2;
584 	ptr = bytes_to_frames(substream->runtime, ptr);
585 	if (! ptr)
586 		;
587 	else if (ptr <= substream->runtime->buffer_size)
588 		ptr = substream->runtime->buffer_size - ptr;
589 	else {
590 		snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->buffer_size);
591 		ptr = 0;
592 	}
593 #endif
594 	return ptr;
595 }
596 
597 static int snd_vt1724_pcm_prepare(snd_pcm_substream_t *substream)
598 {
599 	ice1712_t *ice = snd_pcm_substream_chip(substream);
600 	struct vt1724_pcm_reg *reg = substream->runtime->private_data;
601 
602 	spin_lock_irq(&ice->reg_lock);
603 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
604 	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1, ice->profi_port + reg->size);
605 	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1, ice->profi_port + reg->count);
606 	spin_unlock_irq(&ice->reg_lock);
607 	return 0;
608 }
609 
610 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(snd_pcm_substream_t *substream)
611 {
612 	ice1712_t *ice = snd_pcm_substream_chip(substream);
613 	struct vt1724_pcm_reg *reg = substream->runtime->private_data;
614 	size_t ptr;
615 
616 	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
617 		return 0;
618 #if 0 /* use ADDR register */
619 	ptr = inl(ice->profi_port + reg->addr);
620 	ptr -= substream->runtime->dma_addr;
621 	return bytes_to_frames(substream->runtime, ptr);
622 #else /* use SIZE register */
623 	ptr = inw(ice->profi_port + reg->size);
624 	ptr = (ptr + 1) << 2;
625 	ptr = bytes_to_frames(substream->runtime, ptr);
626 	if (! ptr)
627 		;
628 	else if (ptr <= substream->runtime->buffer_size)
629 		ptr = substream->runtime->buffer_size - ptr;
630 	else {
631 		snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->buffer_size);
632 		ptr = 0;
633 	}
634 	return ptr;
635 #endif
636 }
637 
638 static struct vt1724_pcm_reg vt1724_playback_pro_reg = {
639 	.addr = VT1724_MT_PLAYBACK_ADDR,
640 	.size = VT1724_MT_PLAYBACK_SIZE,
641 	.count = VT1724_MT_PLAYBACK_COUNT,
642 	.start = VT1724_PDMA0_START,
643 };
644 
645 static struct vt1724_pcm_reg vt1724_capture_pro_reg = {
646 	.addr = VT1724_MT_CAPTURE_ADDR,
647 	.size = VT1724_MT_CAPTURE_SIZE,
648 	.count = VT1724_MT_CAPTURE_COUNT,
649 	.start = VT1724_RDMA0_START,
650 };
651 
652 static snd_pcm_hardware_t snd_vt1724_playback_pro =
653 {
654 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
655 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
656 				 SNDRV_PCM_INFO_MMAP_VALID |
657 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
658 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
659 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
660 	.rate_min =		8000,
661 	.rate_max =		192000,
662 	.channels_min =		2,
663 	.channels_max =		8,
664 	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
665 	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
666 	.period_bytes_max =	(1UL << 21),
667 	.periods_min =		2,
668 	.periods_max =		1024,
669 };
670 
671 static snd_pcm_hardware_t snd_vt1724_spdif =
672 {
673 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
674 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
675 				 SNDRV_PCM_INFO_MMAP_VALID |
676 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
677 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
678 	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
679 				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
680 				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
681 				 SNDRV_PCM_RATE_192000),
682 	.rate_min =		32000,
683 	.rate_max =		192000,
684 	.channels_min =		2,
685 	.channels_max =		2,
686 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
687 	.period_bytes_min =	2 * 4 * 2,
688 	.period_bytes_max =	(1UL << 18),
689 	.periods_min =		2,
690 	.periods_max =		1024,
691 };
692 
693 static snd_pcm_hardware_t snd_vt1724_2ch_stereo =
694 {
695 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
696 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
697 				 SNDRV_PCM_INFO_MMAP_VALID |
698 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
699 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
700 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
701 	.rate_min =		8000,
702 	.rate_max =		192000,
703 	.channels_min =		2,
704 	.channels_max =		2,
705 	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
706 	.period_bytes_min =	2 * 4 * 2,
707 	.period_bytes_max =	(1UL << 18),
708 	.periods_min =		2,
709 	.periods_max =		1024,
710 };
711 
712 /*
713  * set rate constraints
714  */
715 static int set_rate_constraints(ice1712_t *ice, snd_pcm_substream_t *substream)
716 {
717 	snd_pcm_runtime_t *runtime = substream->runtime;
718 	if (ice->hw_rates) {
719 		/* hardware specific */
720 		runtime->hw.rate_min = ice->hw_rates->list[0];
721 		runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
722 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
723 		return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, ice->hw_rates);
724 	}
725 	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
726 		/* I2S */
727 		/* VT1720 doesn't support more than 96kHz */
728 		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
729 			return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_192);
730 		else {
731 			runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_96000;
732 			runtime->hw.rate_max = 96000;
733 			return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_96);
734 		}
735 	} else if (ice->ac97) {
736 		/* ACLINK */
737 		runtime->hw.rate_max = 48000;
738 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000;
739 		return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_48);
740 	}
741 	return 0;
742 }
743 
744 /* multi-channel playback needs alignment 8x32bit regardless of the channels
745  * actually used
746  */
747 #define VT1724_BUFFER_ALIGN	0x20
748 
749 static int snd_vt1724_playback_pro_open(snd_pcm_substream_t * substream)
750 {
751 	snd_pcm_runtime_t *runtime = substream->runtime;
752 	ice1712_t *ice = snd_pcm_substream_chip(substream);
753 	int chs;
754 
755 	runtime->private_data = &vt1724_playback_pro_reg;
756 	ice->playback_pro_substream = substream;
757 	runtime->hw = snd_vt1724_playback_pro;
758 	snd_pcm_set_sync(substream);
759 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
760 	set_rate_constraints(ice, substream);
761 	down(&ice->open_mutex);
762 	/* calculate the currently available channels */
763 	for (chs = 0; chs < 3; chs++) {
764 		if (ice->pcm_reserved[chs])
765 			break;
766 	}
767 	chs = (chs + 1) * 2;
768 	runtime->hw.channels_max = chs;
769 	if (chs > 2) /* channels must be even */
770 		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
771 	up(&ice->open_mutex);
772 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
773 				   VT1724_BUFFER_ALIGN);
774 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
775 				   VT1724_BUFFER_ALIGN);
776 	return 0;
777 }
778 
779 static int snd_vt1724_capture_pro_open(snd_pcm_substream_t * substream)
780 {
781 	ice1712_t *ice = snd_pcm_substream_chip(substream);
782 	snd_pcm_runtime_t *runtime = substream->runtime;
783 
784 	runtime->private_data = &vt1724_capture_pro_reg;
785 	ice->capture_pro_substream = substream;
786 	runtime->hw = snd_vt1724_2ch_stereo;
787 	snd_pcm_set_sync(substream);
788 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
789 	set_rate_constraints(ice, substream);
790 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
791 				   VT1724_BUFFER_ALIGN);
792 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
793 				   VT1724_BUFFER_ALIGN);
794 	return 0;
795 }
796 
797 static int snd_vt1724_playback_pro_close(snd_pcm_substream_t * substream)
798 {
799 	ice1712_t *ice = snd_pcm_substream_chip(substream);
800 
801 	if (PRO_RATE_RESET)
802 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
803 	ice->playback_pro_substream = NULL;
804 
805 	return 0;
806 }
807 
808 static int snd_vt1724_capture_pro_close(snd_pcm_substream_t * substream)
809 {
810 	ice1712_t *ice = snd_pcm_substream_chip(substream);
811 
812 	if (PRO_RATE_RESET)
813 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
814 	ice->capture_pro_substream = NULL;
815 	return 0;
816 }
817 
818 static snd_pcm_ops_t snd_vt1724_playback_pro_ops = {
819 	.open =		snd_vt1724_playback_pro_open,
820 	.close =	snd_vt1724_playback_pro_close,
821 	.ioctl =	snd_pcm_lib_ioctl,
822 	.hw_params =	snd_vt1724_pcm_hw_params,
823 	.hw_free =	snd_vt1724_pcm_hw_free,
824 	.prepare =	snd_vt1724_playback_pro_prepare,
825 	.trigger =	snd_vt1724_pcm_trigger,
826 	.pointer =	snd_vt1724_playback_pro_pointer,
827 };
828 
829 static snd_pcm_ops_t snd_vt1724_capture_pro_ops = {
830 	.open =		snd_vt1724_capture_pro_open,
831 	.close =	snd_vt1724_capture_pro_close,
832 	.ioctl =	snd_pcm_lib_ioctl,
833 	.hw_params =	snd_vt1724_pcm_hw_params,
834 	.hw_free =	snd_vt1724_pcm_hw_free,
835 	.prepare =	snd_vt1724_pcm_prepare,
836 	.trigger =	snd_vt1724_pcm_trigger,
837 	.pointer =	snd_vt1724_pcm_pointer,
838 };
839 
840 static int __devinit snd_vt1724_pcm_profi(ice1712_t * ice, int device)
841 {
842 	snd_pcm_t *pcm;
843 	int err;
844 
845 	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
846 	if (err < 0)
847 		return err;
848 
849 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
850 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
851 
852 	pcm->private_data = ice;
853 	pcm->info_flags = 0;
854 	strcpy(pcm->name, "ICE1724");
855 
856 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
857 					      snd_dma_pci_data(ice->pci), 256*1024, 256*1024);
858 
859 	ice->pcm_pro = pcm;
860 
861 	return 0;
862 }
863 
864 
865 /*
866  * SPDIF PCM
867  */
868 
869 static struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
870 	.addr = VT1724_MT_PDMA4_ADDR,
871 	.size = VT1724_MT_PDMA4_SIZE,
872 	.count = VT1724_MT_PDMA4_COUNT,
873 	.start = VT1724_PDMA4_START,
874 };
875 
876 static struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
877 	.addr = VT1724_MT_RDMA1_ADDR,
878 	.size = VT1724_MT_RDMA1_SIZE,
879 	.count = VT1724_MT_RDMA1_COUNT,
880 	.start = VT1724_RDMA1_START,
881 };
882 
883 /* update spdif control bits; call with reg_lock */
884 static void update_spdif_bits(ice1712_t *ice, unsigned int val)
885 {
886 	unsigned char cbit, disabled;
887 
888 	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
889 	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
890 	if (cbit != disabled)
891 		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
892 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
893 	if (cbit != disabled)
894 		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
895 	outw(val, ICEMT1724(ice, SPDIF_CTRL));
896 }
897 
898 /* update SPDIF control bits according to the given rate */
899 static void update_spdif_rate(ice1712_t *ice, unsigned int rate)
900 {
901 	unsigned int val, nval;
902 	unsigned long flags;
903 
904 	spin_lock_irqsave(&ice->reg_lock, flags);
905 	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
906 	nval &= ~(7 << 12);
907 	switch (rate) {
908 	case 44100: break;
909 	case 48000: nval |= 2 << 12; break;
910 	case 32000: nval |= 3 << 12; break;
911 	case 88200: nval |= 4 << 12; break;
912 	case 96000: nval |= 5 << 12; break;
913 	case 192000: nval |= 6 << 12; break;
914 	case 176400: nval |= 7 << 12; break;
915 	}
916 	if (val != nval)
917 		update_spdif_bits(ice, nval);
918 	spin_unlock_irqrestore(&ice->reg_lock, flags);
919 }
920 
921 static int snd_vt1724_playback_spdif_prepare(snd_pcm_substream_t * substream)
922 {
923 	ice1712_t *ice = snd_pcm_substream_chip(substream);
924 	if (! ice->force_pdma4)
925 		update_spdif_rate(ice, substream->runtime->rate);
926 	return snd_vt1724_pcm_prepare(substream);
927 }
928 
929 static int snd_vt1724_playback_spdif_open(snd_pcm_substream_t *substream)
930 {
931 	ice1712_t *ice = snd_pcm_substream_chip(substream);
932 	snd_pcm_runtime_t *runtime = substream->runtime;
933 
934 	runtime->private_data = &vt1724_playback_spdif_reg;
935 	ice->playback_con_substream = substream;
936 	if (ice->force_pdma4) {
937 		runtime->hw = snd_vt1724_2ch_stereo;
938 		set_rate_constraints(ice, substream);
939 	} else
940 		runtime->hw = snd_vt1724_spdif;
941 	snd_pcm_set_sync(substream);
942 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
943 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
944 				   VT1724_BUFFER_ALIGN);
945 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
946 				   VT1724_BUFFER_ALIGN);
947 	return 0;
948 }
949 
950 static int snd_vt1724_playback_spdif_close(snd_pcm_substream_t * substream)
951 {
952 	ice1712_t *ice = snd_pcm_substream_chip(substream);
953 
954 	if (PRO_RATE_RESET)
955 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
956 	ice->playback_con_substream = NULL;
957 
958 	return 0;
959 }
960 
961 static int snd_vt1724_capture_spdif_open(snd_pcm_substream_t *substream)
962 {
963 	ice1712_t *ice = snd_pcm_substream_chip(substream);
964 	snd_pcm_runtime_t *runtime = substream->runtime;
965 
966 	runtime->private_data = &vt1724_capture_spdif_reg;
967 	ice->capture_con_substream = substream;
968 	if (ice->force_rdma1) {
969 		runtime->hw = snd_vt1724_2ch_stereo;
970 		set_rate_constraints(ice, substream);
971 	} else
972 		runtime->hw = snd_vt1724_spdif;
973 	snd_pcm_set_sync(substream);
974 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
975 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
976 				   VT1724_BUFFER_ALIGN);
977 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
978 				   VT1724_BUFFER_ALIGN);
979 	return 0;
980 }
981 
982 static int snd_vt1724_capture_spdif_close(snd_pcm_substream_t * substream)
983 {
984 	ice1712_t *ice = snd_pcm_substream_chip(substream);
985 
986 	if (PRO_RATE_RESET)
987 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
988 	ice->capture_con_substream = NULL;
989 
990 	return 0;
991 }
992 
993 static snd_pcm_ops_t snd_vt1724_playback_spdif_ops = {
994 	.open =		snd_vt1724_playback_spdif_open,
995 	.close =	snd_vt1724_playback_spdif_close,
996 	.ioctl =	snd_pcm_lib_ioctl,
997 	.hw_params =	snd_vt1724_pcm_hw_params,
998 	.hw_free =	snd_vt1724_pcm_hw_free,
999 	.prepare =	snd_vt1724_playback_spdif_prepare,
1000 	.trigger =	snd_vt1724_pcm_trigger,
1001 	.pointer =	snd_vt1724_pcm_pointer,
1002 };
1003 
1004 static snd_pcm_ops_t snd_vt1724_capture_spdif_ops = {
1005 	.open =		snd_vt1724_capture_spdif_open,
1006 	.close =	snd_vt1724_capture_spdif_close,
1007 	.ioctl =	snd_pcm_lib_ioctl,
1008 	.hw_params =	snd_vt1724_pcm_hw_params,
1009 	.hw_free =	snd_vt1724_pcm_hw_free,
1010 	.prepare =	snd_vt1724_pcm_prepare,
1011 	.trigger =	snd_vt1724_pcm_trigger,
1012 	.pointer =	snd_vt1724_pcm_pointer,
1013 };
1014 
1015 
1016 static int __devinit snd_vt1724_pcm_spdif(ice1712_t * ice, int device)
1017 {
1018 	char *name;
1019 	snd_pcm_t *pcm;
1020 	int play, capt;
1021 	int err;
1022 
1023 	if (ice->force_pdma4 ||
1024 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1025 		play = 1;
1026 		ice->has_spdif = 1;
1027 	} else
1028 		play = 0;
1029 	if (ice->force_rdma1 ||
1030 	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1031 		capt = 1;
1032 		ice->has_spdif = 1;
1033 	} else
1034 		capt = 0;
1035 	if (! play && ! capt)
1036 		return 0; /* no spdif device */
1037 
1038 	if (ice->force_pdma4 || ice->force_rdma1)
1039 		name = "ICE1724 Secondary";
1040 	else
1041 		name = "IEC1724 IEC958";
1042 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1043 	if (err < 0)
1044 		return err;
1045 
1046 	if (play)
1047 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1048 				&snd_vt1724_playback_spdif_ops);
1049 	if (capt)
1050 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1051 				&snd_vt1724_capture_spdif_ops);
1052 
1053 	pcm->private_data = ice;
1054 	pcm->info_flags = 0;
1055 	strcpy(pcm->name, name);
1056 
1057 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1058 					      snd_dma_pci_data(ice->pci), 64*1024, 64*1024);
1059 
1060 	ice->pcm = pcm;
1061 
1062 	return 0;
1063 }
1064 
1065 
1066 /*
1067  * independent surround PCMs
1068  */
1069 
1070 static struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1071 	{
1072 		.addr = VT1724_MT_PDMA1_ADDR,
1073 		.size = VT1724_MT_PDMA1_SIZE,
1074 		.count = VT1724_MT_PDMA1_COUNT,
1075 		.start = VT1724_PDMA1_START,
1076 	},
1077 	{
1078 		.addr = VT1724_MT_PDMA2_ADDR,
1079 		.size = VT1724_MT_PDMA2_SIZE,
1080 		.count = VT1724_MT_PDMA2_COUNT,
1081 		.start = VT1724_PDMA2_START,
1082 	},
1083 	{
1084 		.addr = VT1724_MT_PDMA3_ADDR,
1085 		.size = VT1724_MT_PDMA3_SIZE,
1086 		.count = VT1724_MT_PDMA3_COUNT,
1087 		.start = VT1724_PDMA3_START,
1088 	},
1089 };
1090 
1091 static int snd_vt1724_playback_indep_prepare(snd_pcm_substream_t * substream)
1092 {
1093 	ice1712_t *ice = snd_pcm_substream_chip(substream);
1094 	unsigned char val;
1095 
1096 	spin_lock_irq(&ice->reg_lock);
1097 	val = 3 - substream->number;
1098 	if (inb(ICEMT1724(ice, BURST)) < val)
1099 		outb(val, ICEMT1724(ice, BURST));
1100 	spin_unlock_irq(&ice->reg_lock);
1101 	return snd_vt1724_pcm_prepare(substream);
1102 }
1103 
1104 static int snd_vt1724_playback_indep_open(snd_pcm_substream_t *substream)
1105 {
1106 	ice1712_t *ice = snd_pcm_substream_chip(substream);
1107 	snd_pcm_runtime_t *runtime = substream->runtime;
1108 
1109 	down(&ice->open_mutex);
1110 	/* already used by PDMA0? */
1111 	if (ice->pcm_reserved[substream->number]) {
1112 		up(&ice->open_mutex);
1113 		return -EBUSY; /* FIXME: should handle blocking mode properly */
1114 	}
1115 	up(&ice->open_mutex);
1116 	runtime->private_data = &vt1724_playback_dma_regs[substream->number];
1117 	ice->playback_con_substream_ds[substream->number] = substream;
1118 	runtime->hw = snd_vt1724_2ch_stereo;
1119 	snd_pcm_set_sync(substream);
1120 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1121 	set_rate_constraints(ice, substream);
1122 	return 0;
1123 }
1124 
1125 static int snd_vt1724_playback_indep_close(snd_pcm_substream_t * substream)
1126 {
1127 	ice1712_t *ice = snd_pcm_substream_chip(substream);
1128 
1129 	if (PRO_RATE_RESET)
1130 		snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1131 	ice->playback_con_substream_ds[substream->number] = NULL;
1132 	ice->pcm_reserved[substream->number] = NULL;
1133 
1134 	return 0;
1135 }
1136 
1137 static snd_pcm_ops_t snd_vt1724_playback_indep_ops = {
1138 	.open =		snd_vt1724_playback_indep_open,
1139 	.close =	snd_vt1724_playback_indep_close,
1140 	.ioctl =	snd_pcm_lib_ioctl,
1141 	.hw_params =	snd_vt1724_pcm_hw_params,
1142 	.hw_free =	snd_vt1724_pcm_hw_free,
1143 	.prepare =	snd_vt1724_playback_indep_prepare,
1144 	.trigger =	snd_vt1724_pcm_trigger,
1145 	.pointer =	snd_vt1724_pcm_pointer,
1146 };
1147 
1148 
1149 static int __devinit snd_vt1724_pcm_indep(ice1712_t * ice, int device)
1150 {
1151 	snd_pcm_t *pcm;
1152 	int play;
1153 	int err;
1154 
1155 	play = ice->num_total_dacs / 2 - 1;
1156 	if (play <= 0)
1157 		return 0;
1158 
1159 	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1160 	if (err < 0)
1161 		return err;
1162 
1163 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1164 			&snd_vt1724_playback_indep_ops);
1165 
1166 	pcm->private_data = ice;
1167 	pcm->info_flags = 0;
1168 	strcpy(pcm->name, "ICE1724 Surround PCM");
1169 
1170 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1171 					      snd_dma_pci_data(ice->pci), 64*1024, 64*1024);
1172 
1173 	ice->pcm_ds = pcm;
1174 
1175 	return 0;
1176 }
1177 
1178 
1179 /*
1180  *  Mixer section
1181  */
1182 
1183 static int __devinit snd_vt1724_ac97_mixer(ice1712_t * ice)
1184 {
1185 	int err;
1186 
1187 	if (! (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1188 		ac97_bus_t *pbus;
1189 		ac97_template_t ac97;
1190 		static ac97_bus_ops_t ops = {
1191 			.write = snd_vt1724_ac97_write,
1192 			.read = snd_vt1724_ac97_read,
1193 		};
1194 
1195 		/* cold reset */
1196 		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1197 		mdelay(5); /* FIXME */
1198 		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1199 
1200 		if ((err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus)) < 0)
1201 			return err;
1202 		memset(&ac97, 0, sizeof(ac97));
1203 		ac97.private_data = ice;
1204 		if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0)
1205 			printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1206 		else
1207 			return 0;
1208 	}
1209 	/* I2S mixer only */
1210 	strcat(ice->card->mixername, "ICE1724 - multitrack");
1211 	return 0;
1212 }
1213 
1214 /*
1215  *
1216  */
1217 
1218 static inline unsigned int eeprom_triple(ice1712_t *ice, int idx)
1219 {
1220 	return (unsigned int)ice->eeprom.data[idx] | \
1221 		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1222 		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1223 }
1224 
1225 static void snd_vt1724_proc_read(snd_info_entry_t *entry,
1226 				 snd_info_buffer_t * buffer)
1227 {
1228 	ice1712_t *ice = entry->private_data;
1229 	unsigned int idx;
1230 
1231 	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1232 	snd_iprintf(buffer, "EEPROM:\n");
1233 
1234 	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1235 	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1236 	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1237 	snd_iprintf(buffer, "  System Config    : 0x%x\n", ice->eeprom.data[ICE_EEP2_SYSCONF]);
1238 	snd_iprintf(buffer, "  ACLink           : 0x%x\n", ice->eeprom.data[ICE_EEP2_ACLINK]);
1239 	snd_iprintf(buffer, "  I2S              : 0x%x\n", ice->eeprom.data[ICE_EEP2_I2S]);
1240 	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n", ice->eeprom.data[ICE_EEP2_SPDIF]);
1241 	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n", ice->eeprom.gpiodir);
1242 	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n", ice->eeprom.gpiomask);
1243 	snd_iprintf(buffer, "  GPIO state       : 0x%x\n", ice->eeprom.gpiostate);
1244 	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1245 		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n", idx, ice->eeprom.data[idx]);
1246 
1247 	snd_iprintf(buffer, "\nRegisters:\n");
1248 
1249 	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n", (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1250 	for (idx = 0x0; idx < 0x20 ; idx++)
1251 		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n", idx, inb(ice->port+idx));
1252 	for (idx = 0x0; idx < 0x30 ; idx++)
1253 		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n", idx, inb(ice->profi_port+idx));
1254 }
1255 
1256 static void __devinit snd_vt1724_proc_init(ice1712_t * ice)
1257 {
1258 	snd_info_entry_t *entry;
1259 
1260 	if (! snd_card_proc_new(ice->card, "ice1724", &entry))
1261 		snd_info_set_text_ops(entry, ice, 1024, snd_vt1724_proc_read);
1262 }
1263 
1264 /*
1265  *
1266  */
1267 
1268 static int snd_vt1724_eeprom_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1269 {
1270 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1271 	uinfo->count = sizeof(ice1712_eeprom_t);
1272 	return 0;
1273 }
1274 
1275 static int snd_vt1724_eeprom_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1276 {
1277 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1278 
1279 	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1280 	return 0;
1281 }
1282 
1283 static snd_kcontrol_new_t snd_vt1724_eeprom __devinitdata = {
1284 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1285 	.name = "ICE1724 EEPROM",
1286 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1287 	.info = snd_vt1724_eeprom_info,
1288 	.get = snd_vt1724_eeprom_get
1289 };
1290 
1291 /*
1292  */
1293 static int snd_vt1724_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1294 {
1295 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1296 	uinfo->count = 1;
1297 	return 0;
1298 }
1299 
1300 static unsigned int encode_spdif_bits(snd_aes_iec958_t *diga)
1301 {
1302 	unsigned int val, rbits;
1303 
1304 	val = diga->status[0] & 0x03; /* professional, non-audio */
1305 	if (val & 0x01) {
1306 		/* professional */
1307 		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
1308 			val |= 1U << 3;
1309 		rbits = (diga->status[4] >> 3) & 0x0f;
1310 		if (rbits) {
1311 			switch (rbits) {
1312 			case 2: val |= 5 << 12; break; /* 96k */
1313 			case 3: val |= 6 << 12; break; /* 192k */
1314 			case 10: val |= 4 << 12; break; /* 88.2k */
1315 			case 11: val |= 7 << 12; break; /* 176.4k */
1316 			}
1317 		} else {
1318 			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1319 			case IEC958_AES0_PRO_FS_44100:
1320 				break;
1321 			case IEC958_AES0_PRO_FS_32000:
1322 				val |= 3U << 12;
1323 				break;
1324 			default:
1325 				val |= 2U << 12;
1326 				break;
1327 			}
1328 		}
1329 	} else {
1330 		/* consumer */
1331 		val |= diga->status[1] & 0x04; /* copyright */
1332 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS)== IEC958_AES0_CON_EMPHASIS_5015)
1333 			val |= 1U << 3;
1334 		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1335 		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1336 	}
1337 	return val;
1338 }
1339 
1340 static void decode_spdif_bits(snd_aes_iec958_t *diga, unsigned int val)
1341 {
1342 	memset(diga->status, 0, sizeof(diga->status));
1343 	diga->status[0] = val & 0x03; /* professional, non-audio */
1344 	if (val & 0x01) {
1345 		/* professional */
1346 		if (val & (1U << 3))
1347 			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1348 		switch ((val >> 12) & 0x7) {
1349 		case 0:
1350 			break;
1351 		case 2:
1352 			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1353 			break;
1354 		default:
1355 			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1356 			break;
1357 		}
1358 	} else {
1359 		/* consumer */
1360 		diga->status[0] |= val & (1U << 2); /* copyright */
1361 		if (val & (1U << 3))
1362 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1363 		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1364 		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1365 	}
1366 }
1367 
1368 static int snd_vt1724_spdif_default_get(snd_kcontrol_t * kcontrol,
1369 					snd_ctl_elem_value_t * ucontrol)
1370 {
1371 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1372 	unsigned int val;
1373 	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1374 	decode_spdif_bits(&ucontrol->value.iec958, val);
1375 	return 0;
1376 }
1377 
1378 static int snd_vt1724_spdif_default_put(snd_kcontrol_t * kcontrol,
1379 					 snd_ctl_elem_value_t * ucontrol)
1380 {
1381 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1382 	unsigned int val, old;
1383 
1384 	val = encode_spdif_bits(&ucontrol->value.iec958);
1385 	spin_lock_irq(&ice->reg_lock);
1386 	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1387 	if (val != old)
1388 		update_spdif_bits(ice, val);
1389 	spin_unlock_irq(&ice->reg_lock);
1390 	return (val != old);
1391 }
1392 
1393 static snd_kcontrol_new_t snd_vt1724_spdif_default __devinitdata =
1394 {
1395 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1396 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1397 	.info =		snd_vt1724_spdif_info,
1398 	.get =		snd_vt1724_spdif_default_get,
1399 	.put =		snd_vt1724_spdif_default_put
1400 };
1401 
1402 static int snd_vt1724_spdif_maskc_get(snd_kcontrol_t * kcontrol,
1403 				       snd_ctl_elem_value_t * ucontrol)
1404 {
1405 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1406 						     IEC958_AES0_PROFESSIONAL |
1407 						     IEC958_AES0_CON_NOT_COPYRIGHT |
1408 						     IEC958_AES0_CON_EMPHASIS;
1409 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1410 						     IEC958_AES1_CON_CATEGORY;
1411 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1412 	return 0;
1413 }
1414 
1415 static int snd_vt1724_spdif_maskp_get(snd_kcontrol_t * kcontrol,
1416 				       snd_ctl_elem_value_t * ucontrol)
1417 {
1418 	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1419 						     IEC958_AES0_PROFESSIONAL |
1420 						     IEC958_AES0_PRO_FS |
1421 						     IEC958_AES0_PRO_EMPHASIS;
1422 	return 0;
1423 }
1424 
1425 static snd_kcontrol_new_t snd_vt1724_spdif_maskc __devinitdata =
1426 {
1427 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1428 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1429 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1430 	.info =		snd_vt1724_spdif_info,
1431 	.get =		snd_vt1724_spdif_maskc_get,
1432 };
1433 
1434 static snd_kcontrol_new_t snd_vt1724_spdif_maskp __devinitdata =
1435 {
1436 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1437 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1438 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1439 	.info =		snd_vt1724_spdif_info,
1440 	.get =		snd_vt1724_spdif_maskp_get,
1441 };
1442 
1443 static int snd_vt1724_spdif_sw_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1444 {
1445 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1446 	uinfo->count = 1;
1447 	uinfo->value.integer.min = 0;
1448 	uinfo->value.integer.max = 1;
1449 	return 0;
1450 }
1451 
1452 static int snd_vt1724_spdif_sw_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1453 {
1454 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1455 	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) & VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1456 	return 0;
1457 }
1458 
1459 static int snd_vt1724_spdif_sw_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1460 {
1461 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1462 	unsigned char old, val;
1463 
1464 	spin_lock_irq(&ice->reg_lock);
1465 	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1466 	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1467 	if (ucontrol->value.integer.value[0])
1468 		val |= VT1724_CFG_SPDIF_OUT_EN;
1469 	if (old != val)
1470 		outb(val, ICEREG1724(ice, SPDIF_CFG));
1471 	spin_unlock_irq(&ice->reg_lock);
1472 	return old != val;
1473 }
1474 
1475 static snd_kcontrol_new_t snd_vt1724_spdif_switch __devinitdata =
1476 {
1477 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1478 	/* FIXME: the following conflict with IEC958 Playback Route */
1479 	// .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1480 	.name =         SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH),
1481 	.info =		snd_vt1724_spdif_sw_info,
1482 	.get =		snd_vt1724_spdif_sw_get,
1483 	.put =		snd_vt1724_spdif_sw_put
1484 };
1485 
1486 
1487 #if 0 /* NOT USED YET */
1488 /*
1489  * GPIO access from extern
1490  */
1491 
1492 int snd_vt1724_gpio_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1493 {
1494 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1495 	uinfo->count = 1;
1496 	uinfo->value.integer.min = 0;
1497 	uinfo->value.integer.max = 1;
1498 	return 0;
1499 }
1500 
1501 int snd_vt1724_gpio_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1502 {
1503 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1504 	int shift = kcontrol->private_value & 0xff;
1505 	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1506 
1507 	snd_ice1712_save_gpio_status(ice);
1508 	ucontrol->value.integer.value[0] = (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1509 	snd_ice1712_restore_gpio_status(ice);
1510 	return 0;
1511 }
1512 
1513 int snd_ice1712_gpio_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1514 {
1515 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1516 	int shift = kcontrol->private_value & 0xff;
1517 	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1518 	unsigned int val, nval;
1519 
1520 	if (kcontrol->private_value & (1 << 31))
1521 		return -EPERM;
1522 	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1523 	snd_ice1712_save_gpio_status(ice);
1524 	val = snd_ice1712_gpio_read(ice);
1525 	nval |= val & ~(1 << shift);
1526 	if (val != nval)
1527 		snd_ice1712_gpio_write(ice, nval);
1528 	snd_ice1712_restore_gpio_status(ice);
1529 	return val != nval;
1530 }
1531 #endif /* NOT USED YET */
1532 
1533 /*
1534  *  rate
1535  */
1536 static int snd_vt1724_pro_internal_clock_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1537 {
1538 	static char *texts_1724[] = {
1539 		"8000",		/* 0: 6 */
1540 		"9600",		/* 1: 3 */
1541 		"11025",	/* 2: 10 */
1542 		"12000",	/* 3: 2 */
1543 		"16000",	/* 4: 5 */
1544 		"22050",	/* 5: 9 */
1545 		"24000",	/* 6: 1 */
1546 		"32000",	/* 7: 4 */
1547 		"44100",	/* 8: 8 */
1548 		"48000",	/* 9: 0 */
1549 		"64000",	/* 10: 15 */
1550 		"88200",	/* 11: 11 */
1551 		"96000",	/* 12: 7 */
1552 		"176400",	/* 13: 12 */
1553 		"192000",	/* 14: 14 */
1554 		"IEC958 Input",	/* 15: -- */
1555 	};
1556 	static char *texts_1720[] = {
1557 		"8000",		/* 0: 6 */
1558 		"9600",		/* 1: 3 */
1559 		"11025",	/* 2: 10 */
1560 		"12000",	/* 3: 2 */
1561 		"16000",	/* 4: 5 */
1562 		"22050",	/* 5: 9 */
1563 		"24000",	/* 6: 1 */
1564 		"32000",	/* 7: 4 */
1565 		"44100",	/* 8: 8 */
1566 		"48000",	/* 9: 0 */
1567 		"64000",	/* 10: 15 */
1568 		"88200",	/* 11: 11 */
1569 		"96000",	/* 12: 7 */
1570 		"IEC958 Input",	/* 13: -- */
1571 	};
1572 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1573 
1574 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1575 	uinfo->count = 1;
1576 	uinfo->value.enumerated.items = ice->vt1720 ? 14 : 16;
1577 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1578 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1579 	strcpy(uinfo->value.enumerated.name,
1580 	       ice->vt1720 ? texts_1720[uinfo->value.enumerated.item] :
1581 	       texts_1724[uinfo->value.enumerated.item]);
1582 	return 0;
1583 }
1584 
1585 static int snd_vt1724_pro_internal_clock_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1586 {
1587 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1588 	static unsigned char xlate[16] = {
1589 		9, 6, 3, 1, 7, 4, 0, 12, 8, 5, 2, 11, 13, 255, 14, 10
1590 	};
1591 	unsigned char val;
1592 
1593 	spin_lock_irq(&ice->reg_lock);
1594 	if (is_spdif_master(ice)) {
1595 		ucontrol->value.enumerated.item[0] = ice->vt1720 ? 13 : 15;
1596 	} else {
1597 		val = xlate[inb(ICEMT1724(ice, RATE)) & 15];
1598 		if (val == 255) {
1599 			snd_BUG();
1600 			val = 0;
1601 		}
1602 		ucontrol->value.enumerated.item[0] = val;
1603 	}
1604 	spin_unlock_irq(&ice->reg_lock);
1605 	return 0;
1606 }
1607 
1608 static int snd_vt1724_pro_internal_clock_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1609 {
1610 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1611 	unsigned char oval;
1612 	int rate;
1613 	int change = 0;
1614 	int spdif = ice->vt1720 ? 13 : 15;
1615 
1616 	spin_lock_irq(&ice->reg_lock);
1617 	oval = inb(ICEMT1724(ice, RATE));
1618 	if (ucontrol->value.enumerated.item[0] == spdif) {
1619 		outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1620 	} else {
1621 		rate = rates[ucontrol->value.integer.value[0] % 15];
1622 		if (rate <= get_max_rate(ice)) {
1623 			PRO_RATE_DEFAULT = rate;
1624 			spin_unlock_irq(&ice->reg_lock);
1625 			snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 1);
1626 			spin_lock_irq(&ice->reg_lock);
1627 		}
1628 	}
1629 	change = inb(ICEMT1724(ice, RATE)) != oval;
1630 	spin_unlock_irq(&ice->reg_lock);
1631 
1632 	if ((oval & VT1724_SPDIF_MASTER) != (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER)) {
1633 		/* notify akm chips as well */
1634 		if (is_spdif_master(ice)) {
1635 			unsigned int i;
1636 			for (i = 0; i < ice->akm_codecs; i++) {
1637 				if (ice->akm[i].ops.set_rate_val)
1638 					ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1639 			}
1640 		}
1641 	}
1642 	return change;
1643 }
1644 
1645 static snd_kcontrol_new_t snd_vt1724_pro_internal_clock __devinitdata = {
1646 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1647 	.name = "Multi Track Internal Clock",
1648 	.info = snd_vt1724_pro_internal_clock_info,
1649 	.get = snd_vt1724_pro_internal_clock_get,
1650 	.put = snd_vt1724_pro_internal_clock_put
1651 };
1652 
1653 static int snd_vt1724_pro_rate_locking_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1654 {
1655 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1656 	uinfo->count = 1;
1657 	uinfo->value.integer.min = 0;
1658 	uinfo->value.integer.max = 1;
1659 	return 0;
1660 }
1661 
1662 static int snd_vt1724_pro_rate_locking_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1663 {
1664 	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1665 	return 0;
1666 }
1667 
1668 static int snd_vt1724_pro_rate_locking_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1669 {
1670 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1671 	int change = 0, nval;
1672 
1673 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1674 	spin_lock_irq(&ice->reg_lock);
1675 	change = PRO_RATE_LOCKED != nval;
1676 	PRO_RATE_LOCKED = nval;
1677 	spin_unlock_irq(&ice->reg_lock);
1678 	return change;
1679 }
1680 
1681 static snd_kcontrol_new_t snd_vt1724_pro_rate_locking __devinitdata = {
1682 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1683 	.name = "Multi Track Rate Locking",
1684 	.info = snd_vt1724_pro_rate_locking_info,
1685 	.get = snd_vt1724_pro_rate_locking_get,
1686 	.put = snd_vt1724_pro_rate_locking_put
1687 };
1688 
1689 static int snd_vt1724_pro_rate_reset_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1690 {
1691 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1692 	uinfo->count = 1;
1693 	uinfo->value.integer.min = 0;
1694 	uinfo->value.integer.max = 1;
1695 	return 0;
1696 }
1697 
1698 static int snd_vt1724_pro_rate_reset_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1699 {
1700 	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1701 	return 0;
1702 }
1703 
1704 static int snd_vt1724_pro_rate_reset_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1705 {
1706 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1707 	int change = 0, nval;
1708 
1709 	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1710 	spin_lock_irq(&ice->reg_lock);
1711 	change = PRO_RATE_RESET != nval;
1712 	PRO_RATE_RESET = nval;
1713 	spin_unlock_irq(&ice->reg_lock);
1714 	return change;
1715 }
1716 
1717 static snd_kcontrol_new_t snd_vt1724_pro_rate_reset __devinitdata = {
1718 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1719 	.name = "Multi Track Rate Reset",
1720 	.info = snd_vt1724_pro_rate_reset_info,
1721 	.get = snd_vt1724_pro_rate_reset_get,
1722 	.put = snd_vt1724_pro_rate_reset_put
1723 };
1724 
1725 
1726 /*
1727  * routing
1728  */
1729 static int snd_vt1724_pro_route_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1730 {
1731 	static char *texts[] = {
1732 		"PCM Out", /* 0 */
1733 		"H/W In 0", "H/W In 1", /* 1-2 */
1734 		"IEC958 In L", "IEC958 In R", /* 3-4 */
1735 	};
1736 
1737 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1738 	uinfo->count = 1;
1739 	uinfo->value.enumerated.items = 5;
1740 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1741 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1742 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1743 	return 0;
1744 }
1745 
1746 static inline int analog_route_shift(int idx)
1747 {
1748 	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1749 }
1750 
1751 static inline int digital_route_shift(int idx)
1752 {
1753 	return idx * 3;
1754 }
1755 
1756 static int get_route_val(ice1712_t *ice, int shift)
1757 {
1758 	unsigned long val;
1759 	unsigned char eitem;
1760 	static unsigned char xlate[8] = {
1761 		0, 255, 1, 2, 255, 255, 3, 4,
1762 	};
1763 
1764 	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1765 	val >>= shift;
1766 	val &= 7;	//we now have 3 bits per output
1767 	eitem = xlate[val];
1768 	if (eitem == 255) {
1769 		snd_BUG();
1770 		return 0;
1771 	}
1772 	return eitem;
1773 }
1774 
1775 static int put_route_val(ice1712_t *ice, unsigned int val, int shift)
1776 {
1777 	unsigned int old_val, nval;
1778 	int change;
1779 	static unsigned char xroute[8] = {
1780 		0, /* PCM */
1781 		2, /* PSDIN0 Left */
1782 		3, /* PSDIN0 Right */
1783 		6, /* SPDIN Left */
1784 		7, /* SPDIN Right */
1785 	};
1786 
1787 	nval = xroute[val % 5];
1788 	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1789 	val &= ~(0x07 << shift);
1790 	val |= nval << shift;
1791 	change = val != old_val;
1792 	if (change)
1793 		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1794 	return change;
1795 }
1796 
1797 static int snd_vt1724_pro_route_analog_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1798 {
1799 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1800 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1801 	ucontrol->value.enumerated.item[0] = get_route_val(ice, analog_route_shift(idx));
1802 	return 0;
1803 }
1804 
1805 static int snd_vt1724_pro_route_analog_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1806 {
1807 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1808 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1809 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1810 			     analog_route_shift(idx));
1811 }
1812 
1813 static int snd_vt1724_pro_route_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1814 {
1815 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1816 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1817 	ucontrol->value.enumerated.item[0] = get_route_val(ice, digital_route_shift(idx));
1818 	return 0;
1819 }
1820 
1821 static int snd_vt1724_pro_route_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1822 {
1823 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1824 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1825 	return put_route_val(ice, ucontrol->value.enumerated.item[0],
1826 			     digital_route_shift(idx));
1827 }
1828 
1829 static snd_kcontrol_new_t snd_vt1724_mixer_pro_analog_route __devinitdata = {
1830 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1831 	.name = "H/W Playback Route",
1832 	.info = snd_vt1724_pro_route_info,
1833 	.get = snd_vt1724_pro_route_analog_get,
1834 	.put = snd_vt1724_pro_route_analog_put,
1835 };
1836 
1837 static snd_kcontrol_new_t snd_vt1724_mixer_pro_spdif_route __devinitdata = {
1838 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1839 	.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Route",
1840 	.info = snd_vt1724_pro_route_info,
1841 	.get = snd_vt1724_pro_route_spdif_get,
1842 	.put = snd_vt1724_pro_route_spdif_put,
1843 	.count = 2,
1844 };
1845 
1846 
1847 static int snd_vt1724_pro_peak_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1848 {
1849 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1850 	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
1851 	uinfo->value.integer.min = 0;
1852 	uinfo->value.integer.max = 255;
1853 	return 0;
1854 }
1855 
1856 static int snd_vt1724_pro_peak_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1857 {
1858 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1859 	int idx;
1860 
1861 	spin_lock_irq(&ice->reg_lock);
1862 	for (idx = 0; idx < 22; idx++) {
1863 		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
1864 		ucontrol->value.integer.value[idx] = inb(ICEMT1724(ice, MONITOR_PEAKDATA));
1865 	}
1866 	spin_unlock_irq(&ice->reg_lock);
1867 	return 0;
1868 }
1869 
1870 static snd_kcontrol_new_t snd_vt1724_mixer_pro_peak __devinitdata = {
1871 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1872 	.name = "Multi Track Peak",
1873 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1874 	.info = snd_vt1724_pro_peak_info,
1875 	.get = snd_vt1724_pro_peak_get
1876 };
1877 
1878 /*
1879  *
1880  */
1881 
1882 static struct snd_ice1712_card_info no_matched __devinitdata;
1883 
1884 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
1885 	snd_vt1724_revo_cards,
1886 	snd_vt1724_amp_cards,
1887 	snd_vt1724_aureon_cards,
1888 	snd_vt1720_mobo_cards,
1889 	snd_vt1720_pontis_cards,
1890 	snd_vt1724_prodigy192_cards,
1891 	snd_vt1724_juli_cards,
1892 	snd_vt1724_phase_cards,
1893 	NULL,
1894 };
1895 
1896 
1897 /*
1898  */
1899 
1900 static void wait_i2c_busy(ice1712_t *ice)
1901 {
1902 	int t = 0x10000;
1903 	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
1904 		;
1905 	if (t == -1)
1906 		printk(KERN_ERR "ice1724: i2c busy timeout\n");
1907 }
1908 
1909 unsigned char snd_vt1724_read_i2c(ice1712_t *ice, unsigned char dev, unsigned char addr)
1910 {
1911 	unsigned char val;
1912 
1913 	down(&ice->i2c_mutex);
1914 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1915 	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1916 	wait_i2c_busy(ice);
1917 	val = inb(ICEREG1724(ice, I2C_DATA));
1918 	up(&ice->i2c_mutex);
1919 	//printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
1920 	return val;
1921 }
1922 
1923 void snd_vt1724_write_i2c(ice1712_t *ice, unsigned char dev, unsigned char addr, unsigned char data)
1924 {
1925 	down(&ice->i2c_mutex);
1926 	wait_i2c_busy(ice);
1927 	//printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
1928 	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1929 	outb(data, ICEREG1724(ice, I2C_DATA));
1930 	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1931 	wait_i2c_busy(ice);
1932 	up(&ice->i2c_mutex);
1933 }
1934 
1935 static int __devinit snd_vt1724_read_eeprom(ice1712_t *ice, const char *modelname)
1936 {
1937 	const int dev = 0xa0;		/* EEPROM device address */
1938 	unsigned int i, size;
1939 	struct snd_ice1712_card_info **tbl, *c;
1940 
1941 	if (! modelname || ! *modelname) {
1942 		ice->eeprom.subvendor = 0;
1943 		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
1944 			ice->eeprom.subvendor =
1945 				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
1946 				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
1947 				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
1948 				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
1949 		if (ice->eeprom.subvendor == 0 || ice->eeprom.subvendor == (unsigned int)-1) {
1950 			/* invalid subvendor from EEPROM, try the PCI subststem ID instead */
1951 			u16 vendor, device;
1952 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID, &vendor);
1953 			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
1954 			ice->eeprom.subvendor = ((unsigned int)swab16(vendor) << 16) | swab16(device);
1955 			if (ice->eeprom.subvendor == 0 || ice->eeprom.subvendor == (unsigned int)-1) {
1956 				printk(KERN_ERR "ice1724: No valid ID is found\n");
1957 				return -ENXIO;
1958 			}
1959 		}
1960 	}
1961 	for (tbl = card_tables; *tbl; tbl++) {
1962 		for (c = *tbl; c->subvendor; c++) {
1963 			if (modelname && c->model && ! strcmp(modelname, c->model)) {
1964 				printk(KERN_INFO "ice1724: Using board model %s\n", c->name);
1965 				ice->eeprom.subvendor = c->subvendor;
1966 			} else if (c->subvendor != ice->eeprom.subvendor)
1967 				continue;
1968 			if (! c->eeprom_size || ! c->eeprom_data)
1969 				goto found;
1970 			/* if the EEPROM is given by the driver, use it */
1971 			snd_printdd("using the defined eeprom..\n");
1972 			ice->eeprom.version = 2;
1973 			ice->eeprom.size = c->eeprom_size + 6;
1974 			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
1975 			goto read_skipped;
1976 		}
1977 	}
1978 	printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n", ice->eeprom.subvendor);
1979 
1980  found:
1981 	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
1982 	if (ice->eeprom.size < 6)
1983 		ice->eeprom.size = 32;
1984 	else if (ice->eeprom.size > 32) {
1985 		printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n", ice->eeprom.size);
1986 		return -EIO;
1987 	}
1988 	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
1989 	if (ice->eeprom.version != 2)
1990 		printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n", ice->eeprom.version);
1991 	size = ice->eeprom.size - 6;
1992 	for (i = 0; i < size; i++)
1993 		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
1994 
1995  read_skipped:
1996 	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
1997 	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
1998 	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
1999 
2000 	return 0;
2001 }
2002 
2003 
2004 
2005 static int __devinit snd_vt1724_chip_init(ice1712_t *ice)
2006 {
2007 	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2008 	udelay(200);
2009 	outb(0, ICEREG1724(ice, CONTROL));
2010 	udelay(200);
2011 	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2012 	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2013 	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2014 	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2015 
2016 	ice->gpio.write_mask = ice->eeprom.gpiomask;
2017 	ice->gpio.direction = ice->eeprom.gpiodir;
2018 	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2019 	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2020 	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2021 
2022 	outb(0, ICEREG1724(ice, POWERDOWN));
2023 
2024 	return 0;
2025 }
2026 
2027 static int __devinit snd_vt1724_spdif_build_controls(ice1712_t *ice)
2028 {
2029 	int err;
2030 	snd_kcontrol_t *kctl;
2031 
2032 	snd_assert(ice->pcm != NULL, return -EIO);
2033 
2034 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2035 	if (err < 0)
2036 		return err;
2037 
2038 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2039 	if (err < 0)
2040 		return err;
2041 
2042 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2043 	if (err < 0)
2044 		return err;
2045 	kctl->id.device = ice->pcm->device;
2046 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2047 	if (err < 0)
2048 		return err;
2049 	kctl->id.device = ice->pcm->device;
2050 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2051 	if (err < 0)
2052 		return err;
2053 	kctl->id.device = ice->pcm->device;
2054 #if 0 /* use default only */
2055 	err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2056 	if (err < 0)
2057 		return err;
2058 	kctl->id.device = ice->pcm->device;
2059 	ice->spdif.stream_ctl = kctl;
2060 #endif
2061 	return 0;
2062 }
2063 
2064 
2065 static int __devinit snd_vt1724_build_controls(ice1712_t *ice)
2066 {
2067 	int err;
2068 
2069 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2070 	if (err < 0)
2071 		return err;
2072 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2073 	if (err < 0)
2074 		return err;
2075 
2076 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2077 	if (err < 0)
2078 		return err;
2079 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2080 	if (err < 0)
2081 		return err;
2082 
2083 	if (ice->num_total_dacs > 0) {
2084 		snd_kcontrol_new_t tmp = snd_vt1724_mixer_pro_analog_route;
2085 		tmp.count = ice->num_total_dacs;
2086 		if (ice->vt1720 && tmp.count > 2)
2087 			tmp.count = 2;
2088 		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2089 		if (err < 0)
2090 			return err;
2091 	}
2092 
2093 	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2094 	if (err < 0)
2095 		return err;
2096 
2097 	return 0;
2098 }
2099 
2100 static int snd_vt1724_free(ice1712_t *ice)
2101 {
2102 	if (! ice->port)
2103 		goto __hw_end;
2104 	/* mask all interrupts */
2105 	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2106 	outb(0xff, ICEREG1724(ice, IRQMASK));
2107 	/* --- */
2108       __hw_end:
2109 	if (ice->irq >= 0) {
2110 		synchronize_irq(ice->irq);
2111 		free_irq(ice->irq, (void *) ice);
2112 	}
2113 	pci_release_regions(ice->pci);
2114 	snd_ice1712_akm4xxx_free(ice);
2115 	pci_disable_device(ice->pci);
2116 	kfree(ice);
2117 	return 0;
2118 }
2119 
2120 static int snd_vt1724_dev_free(snd_device_t *device)
2121 {
2122 	ice1712_t *ice = device->device_data;
2123 	return snd_vt1724_free(ice);
2124 }
2125 
2126 static int __devinit snd_vt1724_create(snd_card_t * card,
2127 				       struct pci_dev *pci,
2128 				       const char *modelname,
2129 				       ice1712_t ** r_ice1712)
2130 {
2131 	ice1712_t *ice;
2132 	int err;
2133 	unsigned char mask;
2134 	static snd_device_ops_t ops = {
2135 		.dev_free =	snd_vt1724_dev_free,
2136 	};
2137 
2138 	*r_ice1712 = NULL;
2139 
2140         /* enable PCI device */
2141 	if ((err = pci_enable_device(pci)) < 0)
2142 		return err;
2143 
2144 	ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2145 	if (ice == NULL) {
2146 		pci_disable_device(pci);
2147 		return -ENOMEM;
2148 	}
2149 	ice->vt1724 = 1;
2150 	spin_lock_init(&ice->reg_lock);
2151 	init_MUTEX(&ice->gpio_mutex);
2152 	init_MUTEX(&ice->open_mutex);
2153 	init_MUTEX(&ice->i2c_mutex);
2154 	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2155 	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2156 	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2157 	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2158 	ice->card = card;
2159 	ice->pci = pci;
2160 	ice->irq = -1;
2161 	pci_set_master(pci);
2162 	snd_vt1724_proc_init(ice);
2163 	synchronize_irq(pci->irq);
2164 
2165 	if ((err = pci_request_regions(pci, "ICE1724")) < 0) {
2166 		kfree(ice);
2167 		pci_disable_device(pci);
2168 		return err;
2169 	}
2170 	ice->port = pci_resource_start(pci, 0);
2171 	ice->profi_port = pci_resource_start(pci, 1);
2172 
2173 	if (request_irq(pci->irq, snd_vt1724_interrupt, SA_INTERRUPT|SA_SHIRQ, "ICE1724", (void *) ice)) {
2174 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2175 		snd_vt1724_free(ice);
2176 		return -EIO;
2177 	}
2178 
2179 	ice->irq = pci->irq;
2180 
2181 	if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2182 		snd_vt1724_free(ice);
2183 		return -EIO;
2184 	}
2185 	if (snd_vt1724_chip_init(ice) < 0) {
2186 		snd_vt1724_free(ice);
2187 		return -EIO;
2188 	}
2189 
2190 	/* unmask used interrupts */
2191 	if (! (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401))
2192 		mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2193 	else
2194 		mask = 0;
2195 	outb(mask, ICEREG1724(ice, IRQMASK));
2196 	/* don't handle FIFO overrun/underruns (just yet), since they cause machine lockups */
2197 	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2198 
2199 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops)) < 0) {
2200 		snd_vt1724_free(ice);
2201  		return err;
2202 	}
2203 
2204 	snd_card_set_dev(card, &pci->dev);
2205 
2206 	*r_ice1712 = ice;
2207 	return 0;
2208 }
2209 
2210 
2211 /*
2212  *
2213  * Registration
2214  *
2215  */
2216 
2217 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2218 				      const struct pci_device_id *pci_id)
2219 {
2220 	static int dev;
2221 	snd_card_t *card;
2222 	ice1712_t *ice;
2223 	int pcm_dev = 0, err;
2224 	struct snd_ice1712_card_info **tbl, *c;
2225 
2226 	if (dev >= SNDRV_CARDS)
2227 		return -ENODEV;
2228 	if (!enable[dev]) {
2229 		dev++;
2230 		return -ENOENT;
2231 	}
2232 
2233 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2234 	if (card == NULL)
2235 		return -ENOMEM;
2236 
2237 	strcpy(card->driver, "ICE1724");
2238 	strcpy(card->shortname, "ICEnsemble ICE1724");
2239 
2240 	if ((err = snd_vt1724_create(card, pci, model[dev], &ice)) < 0) {
2241 		snd_card_free(card);
2242 		return err;
2243 	}
2244 
2245 	for (tbl = card_tables; *tbl; tbl++) {
2246 		for (c = *tbl; c->subvendor; c++) {
2247 			if (c->subvendor == ice->eeprom.subvendor) {
2248 				strcpy(card->shortname, c->name);
2249 				if (c->driver) /* specific driver? */
2250 					strcpy(card->driver, c->driver);
2251 				if (c->chip_init) {
2252 					if ((err = c->chip_init(ice)) < 0) {
2253 						snd_card_free(card);
2254 						return err;
2255 					}
2256 				}
2257 				goto __found;
2258 			}
2259 		}
2260 	}
2261 	c = &no_matched;
2262  __found:
2263 
2264 	if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
2265 		snd_card_free(card);
2266 		return err;
2267 	}
2268 
2269 	if ((err = snd_vt1724_pcm_spdif(ice, pcm_dev++)) < 0) {
2270 		snd_card_free(card);
2271 		return err;
2272 	}
2273 
2274 	if ((err = snd_vt1724_pcm_indep(ice, pcm_dev++)) < 0) {
2275 		snd_card_free(card);
2276 		return err;
2277 	}
2278 
2279 	if ((err = snd_vt1724_ac97_mixer(ice)) < 0) {
2280 		snd_card_free(card);
2281 		return err;
2282 	}
2283 
2284 	if ((err = snd_vt1724_build_controls(ice)) < 0) {
2285 		snd_card_free(card);
2286 		return err;
2287 	}
2288 
2289 	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2290 		if ((err = snd_vt1724_spdif_build_controls(ice)) < 0) {
2291 			snd_card_free(card);
2292 			return err;
2293 		}
2294 	}
2295 
2296 	if (c->build_controls) {
2297 		if ((err = c->build_controls(ice)) < 0) {
2298 			snd_card_free(card);
2299 			return err;
2300 		}
2301 	}
2302 
2303 	if (! c->no_mpu401) {
2304 		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2305 			if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ICE1712,
2306 						       ICEREG1724(ice, MPU_CTRL), 1,
2307 						       ice->irq, 0,
2308 						       &ice->rmidi[0])) < 0) {
2309 				snd_card_free(card);
2310 				return err;
2311 			}
2312 		}
2313 	}
2314 
2315 	sprintf(card->longname, "%s at 0x%lx, irq %i",
2316 		card->shortname, ice->port, ice->irq);
2317 
2318 	if ((err = snd_card_register(card)) < 0) {
2319 		snd_card_free(card);
2320 		return err;
2321 	}
2322 	pci_set_drvdata(pci, card);
2323 	dev++;
2324 	return 0;
2325 }
2326 
2327 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2328 {
2329 	snd_card_free(pci_get_drvdata(pci));
2330 	pci_set_drvdata(pci, NULL);
2331 }
2332 
2333 static struct pci_driver driver = {
2334 	.name = "ICE1724",
2335 	.id_table = snd_vt1724_ids,
2336 	.probe = snd_vt1724_probe,
2337 	.remove = __devexit_p(snd_vt1724_remove),
2338 };
2339 
2340 static int __init alsa_card_ice1724_init(void)
2341 {
2342 	return pci_register_driver(&driver);
2343 }
2344 
2345 static void __exit alsa_card_ice1724_exit(void)
2346 {
2347 	pci_unregister_driver(&driver);
2348 }
2349 
2350 module_init(alsa_card_ice1724_init)
2351 module_exit(alsa_card_ice1724_exit)
2352