IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
[linux-2.6.git] / sound / pci / ice1712 / ice1724.c
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 <linux/mutex.h>
34 #include <sound/core.h>
35 #include <sound/info.h>
36 #include <sound/mpu401.h>
37 #include <sound/initval.h>
38
39 #include <sound/asoundef.h>
40
41 #include "ice1712.h"
42 #include "envy24ht.h"
43
44 /* lowlevel routines */
45 #include "amp.h"
46 #include "revo.h"
47 #include "aureon.h"
48 #include "vt1720_mobo.h"
49 #include "pontis.h"
50 #include "prodigy192.h"
51 #include "juli.h"
52 #include "phase.h"
53
54
55 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
56 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
57 MODULE_LICENSE("GPL");
58 MODULE_SUPPORTED_DEVICE("{"
59                REVO_DEVICE_DESC
60                AMP_AUDIO2000_DEVICE_DESC
61                AUREON_DEVICE_DESC
62                VT1720_MOBO_DEVICE_DESC
63                PONTIS_DEVICE_DESC
64                PRODIGY192_DEVICE_DESC
65                JULI_DEVICE_DESC
66                PHASE_DEVICE_DESC
67                 "{VIA,VT1720},"
68                 "{VIA,VT1724},"
69                 "{ICEnsemble,Generic ICE1724},"
70                 "{ICEnsemble,Generic Envy24HT}"
71                 "{ICEnsemble,Generic Envy24PT}}");
72
73 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
74 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
75 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;              /* Enable this card */
76 static char *model[SNDRV_CARDS];
77
78 module_param_array(index, int, NULL, 0444);
79 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
80 module_param_array(id, charp, NULL, 0444);
81 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
82 module_param_array(enable, bool, NULL, 0444);
83 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
84 module_param_array(model, charp, NULL, 0444);
85 MODULE_PARM_DESC(model, "Use the given board model.");
86
87
88 /* Both VT1720 and VT1724 have the same PCI IDs */
89 static struct pci_device_id snd_vt1724_ids[] = {
90         { PCI_VENDOR_ID_ICE, PCI_DEVICE_ID_VT1724, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
91         { 0, }
92 };
93
94 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
95
96
97 static int PRO_RATE_LOCKED;
98 static int PRO_RATE_RESET = 1;
99 static unsigned int PRO_RATE_DEFAULT = 44100;
100
101 /*
102  *  Basic I/O
103  */
104  
105 /* check whether the clock mode is spdif-in */
106 static inline int is_spdif_master(struct snd_ice1712 *ice)
107 {
108         return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
109 }
110
111 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
112 {
113         return is_spdif_master(ice) || PRO_RATE_LOCKED;
114 }
115
116 /*
117  * ac97 section
118  */
119
120 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
121 {
122         unsigned char old_cmd;
123         int tm;
124         for (tm = 0; tm < 0x10000; tm++) {
125                 old_cmd = inb(ICEMT1724(ice, AC97_CMD));
126                 if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
127                         continue;
128                 if (!(old_cmd & VT1724_AC97_READY))
129                         continue;
130                 return old_cmd;
131         }
132         snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
133         return old_cmd;
134 }
135
136 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
137 {
138         int tm;
139         for (tm = 0; tm < 0x10000; tm++)
140                 if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
141                         return 0;
142         snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
143         return -EIO;
144 }
145
146 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
147                                   unsigned short reg,
148                                   unsigned short val)
149 {
150         struct snd_ice1712 *ice = ac97->private_data;
151         unsigned char old_cmd;
152
153         old_cmd = snd_vt1724_ac97_ready(ice);
154         old_cmd &= ~VT1724_AC97_ID_MASK;
155         old_cmd |= ac97->num;
156         outb(reg, ICEMT1724(ice, AC97_INDEX));
157         outw(val, ICEMT1724(ice, AC97_DATA));
158         outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
159         snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
160 }
161
162 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
163 {
164         struct snd_ice1712 *ice = ac97->private_data;
165         unsigned char old_cmd;
166
167         old_cmd = snd_vt1724_ac97_ready(ice);
168         old_cmd &= ~VT1724_AC97_ID_MASK;
169         old_cmd |= ac97->num;
170         outb(reg, ICEMT1724(ice, AC97_INDEX));
171         outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
172         if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
173                 return ~0;
174         return inw(ICEMT1724(ice, AC97_DATA));
175 }
176
177
178 /*
179  * GPIO operations
180  */
181
182 /* set gpio direction 0 = read, 1 = write */
183 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
184 {
185         outl(data, ICEREG1724(ice, GPIO_DIRECTION));
186         inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
187 }
188
189 /* set the gpio mask (0 = writable) */
190 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
191 {
192         outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
193         if (! ice->vt1720) /* VT1720 supports only 16 GPIO bits */
194                 outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
195         inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
196 }
197
198 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
199 {
200         outw(data, ICEREG1724(ice, GPIO_DATA));
201         if (! ice->vt1720)
202                 outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
203         inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
204 }
205
206 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
207 {
208         unsigned int data;
209         if (! ice->vt1720)
210                 data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
211         else
212                 data = 0;
213         data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
214         return data;
215 }
216
217 /*
218  *  Interrupt handler
219  */
220
221 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
222 {
223         struct snd_ice1712 *ice = dev_id;
224         unsigned char status;
225         int handled = 0;
226
227         while (1) {
228                 status = inb(ICEREG1724(ice, IRQSTAT));
229                 if (status == 0)
230                         break;
231
232                 handled = 1;            
233                 /* these should probably be separated at some point, 
234                  * but as we don't currently have MPU support on the board
235                  * I will leave it
236                  */
237                 if ((status & VT1724_IRQ_MPU_RX)||(status & VT1724_IRQ_MPU_TX)) {
238                         if (ice->rmidi[0])
239                                 snd_mpu401_uart_interrupt(irq, ice->rmidi[0]->private_data);
240                         outb(status & (VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX), ICEREG1724(ice, IRQSTAT));
241                         status &= ~(VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX);
242                 }
243                 if (status & VT1724_IRQ_MTPCM) {
244                         /*
245                          * Multi-track PCM
246                          * PCM assignment are:
247                          * Playback DMA0 (M/C) = playback_pro_substream
248                          * Playback DMA1 = playback_con_substream_ds[0]
249                          * Playback DMA2 = playback_con_substream_ds[1]
250                          * Playback DMA3 = playback_con_substream_ds[2]
251                          * Playback DMA4 (SPDIF) = playback_con_substream
252                          * Record DMA0 = capture_pro_substream
253                          * Record DMA1 = capture_con_substream
254                          */
255                         unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
256                         if (mtstat & VT1724_MULTI_PDMA0) {
257                                 if (ice->playback_pro_substream)
258                                         snd_pcm_period_elapsed(ice->playback_pro_substream);
259                         }
260                         if (mtstat & VT1724_MULTI_RDMA0) {
261                                 if (ice->capture_pro_substream)
262                                         snd_pcm_period_elapsed(ice->capture_pro_substream);
263                         }
264                         if (mtstat & VT1724_MULTI_PDMA1) {
265                                 if (ice->playback_con_substream_ds[0])
266                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
267                         }
268                         if (mtstat & VT1724_MULTI_PDMA2) {
269                                 if (ice->playback_con_substream_ds[1])
270                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
271                         }
272                         if (mtstat & VT1724_MULTI_PDMA3) {
273                                 if (ice->playback_con_substream_ds[2])
274                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
275                         }
276                         if (mtstat & VT1724_MULTI_PDMA4) {
277                                 if (ice->playback_con_substream)
278                                         snd_pcm_period_elapsed(ice->playback_con_substream);
279                         }
280                         if (mtstat & VT1724_MULTI_RDMA1) {
281                                 if (ice->capture_con_substream)
282                                         snd_pcm_period_elapsed(ice->capture_con_substream);
283                         }
284                         /* ack anyway to avoid freeze */
285                         outb(mtstat, ICEMT1724(ice, IRQ));
286                         /* ought to really handle this properly */
287                         if (mtstat & VT1724_MULTI_FIFO_ERR) {
288                                 unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
289                                 outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));      
290                                 outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));  
291                                 /* If I don't do this, I get machine lockup due to continual interrupts */
292                         }
293
294                 }
295         }
296         return IRQ_RETVAL(handled);
297 }
298
299 /*
300  *  PCM code - professional part (multitrack)
301  */
302
303 static unsigned int rates[] = {
304         8000, 9600, 11025, 12000, 16000, 22050, 24000,
305         32000, 44100, 48000, 64000, 88200, 96000,
306         176400, 192000,
307 };
308
309 static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
310         .count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
311         .list = rates,
312         .mask = 0,
313 };
314
315 static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
316         .count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
317         .list = rates,
318         .mask = 0,
319 };
320
321 static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
322         .count = ARRAY_SIZE(rates),
323         .list = rates,
324         .mask = 0,
325 };
326
327 struct vt1724_pcm_reg {
328         unsigned int addr;      /* ADDR register offset */
329         unsigned int size;      /* SIZE register offset */
330         unsigned int count;     /* COUNT register offset */
331         unsigned int start;     /* start & pause bit */
332 };
333
334 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
335 {
336         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
337         unsigned char what;
338         unsigned char old;
339         struct list_head *pos;
340         struct snd_pcm_substream *s;
341
342         what = 0;
343         snd_pcm_group_for_each(pos, substream) {
344                 struct vt1724_pcm_reg *reg;
345                 s = snd_pcm_group_substream_entry(pos);
346                 reg = s->runtime->private_data;
347                 what |= reg->start;
348                 snd_pcm_trigger_done(s, substream);
349         }
350
351         switch (cmd) {
352         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
353         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
354                 spin_lock(&ice->reg_lock);
355                 old = inb(ICEMT1724(ice, DMA_PAUSE));
356                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
357                         old |= what;
358                 else
359                         old &= ~what;
360                 outb(old, ICEMT1724(ice, DMA_PAUSE));
361                 spin_unlock(&ice->reg_lock);
362                 break;
363
364         case SNDRV_PCM_TRIGGER_START:
365         case SNDRV_PCM_TRIGGER_STOP:
366                 spin_lock(&ice->reg_lock);
367                 old = inb(ICEMT1724(ice, DMA_CONTROL));
368                 if (cmd == SNDRV_PCM_TRIGGER_START)
369                         old |= what;
370                 else
371                         old &= ~what;
372                 outb(old, ICEMT1724(ice, DMA_CONTROL));
373                 spin_unlock(&ice->reg_lock);
374                 break;
375
376         default:
377                 return -EINVAL;
378         }
379         return 0;
380 }
381
382 /*
383  */
384
385 #define DMA_STARTS      (VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
386         VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
387 #define DMA_PAUSES      (VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
388         VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
389
390 static int get_max_rate(struct snd_ice1712 *ice)
391 {
392         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
393                 if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
394                         return 192000;
395                 else
396                         return 96000;
397         } else
398                 return 48000;
399 }
400
401 static void snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
402                                     int force)
403 {
404         unsigned long flags;
405         unsigned char val, old;
406         unsigned int i, mclk_change;
407
408         if (rate > get_max_rate(ice))
409                 return;
410
411         switch (rate) {
412         case 8000: val = 6; break;
413         case 9600: val = 3; break;
414         case 11025: val = 10; break;
415         case 12000: val = 2; break;
416         case 16000: val = 5; break;
417         case 22050: val = 9; break;
418         case 24000: val = 1; break;
419         case 32000: val = 4; break;
420         case 44100: val = 8; break;
421         case 48000: val = 0; break;
422         case 64000: val = 15; break;
423         case 88200: val = 11; break;
424         case 96000: val = 7; break;
425         case 176400: val = 12; break;
426         case 192000: val = 14; break;
427         default:
428                 snd_BUG();
429                 val = 0;
430                 break;
431         }
432
433         spin_lock_irqsave(&ice->reg_lock, flags);
434         if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) || 
435             (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
436                 /* running? we cannot change the rate now... */
437                 spin_unlock_irqrestore(&ice->reg_lock, flags);
438                 return;
439         }
440         if (!force && is_pro_rate_locked(ice)) {
441                 spin_unlock_irqrestore(&ice->reg_lock, flags);
442                 return;
443         }
444
445         old = inb(ICEMT1724(ice, RATE));
446         if (force || old != val)
447                 outb(val, ICEMT1724(ice, RATE));
448         else if (rate == ice->cur_rate) {
449                 spin_unlock_irqrestore(&ice->reg_lock, flags);
450                 return;
451         }
452
453         ice->cur_rate = rate;
454
455         /* check MT02 */
456         mclk_change = 0;
457         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
458                 val = old = inb(ICEMT1724(ice, I2S_FORMAT));
459                 if (rate > 96000)
460                         val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
461                 else
462                         val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
463                 if (val != old) {
464                         outb(val, ICEMT1724(ice, I2S_FORMAT));
465                         mclk_change = 1;
466                 }
467         }
468         spin_unlock_irqrestore(&ice->reg_lock, flags);
469
470         if (mclk_change && ice->gpio.i2s_mclk_changed)
471                 ice->gpio.i2s_mclk_changed(ice);
472         if (ice->gpio.set_pro_rate)
473                 ice->gpio.set_pro_rate(ice, rate);
474
475         /* set up codecs */
476         for (i = 0; i < ice->akm_codecs; i++) {
477                 if (ice->akm[i].ops.set_rate_val)
478                         ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
479         }
480         if (ice->spdif.ops.setup_rate)
481                 ice->spdif.ops.setup_rate(ice, rate);
482 }
483
484 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
485                                     struct snd_pcm_hw_params *hw_params)
486 {
487         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
488         int i, chs;
489
490         chs = params_channels(hw_params);
491         mutex_lock(&ice->open_mutex);
492         /* mark surround channels */
493         if (substream == ice->playback_pro_substream) {
494                 /* PDMA0 can be multi-channel up to 8 */
495                 chs = chs / 2 - 1;
496                 for (i = 0; i < chs; i++) {
497                         if (ice->pcm_reserved[i] &&
498                             ice->pcm_reserved[i] != substream) {
499                                 mutex_unlock(&ice->open_mutex);
500                                 return -EBUSY;
501                         }
502                         ice->pcm_reserved[i] = substream;
503                 }
504                 for (; i < 3; i++) {
505                         if (ice->pcm_reserved[i] == substream)
506                                 ice->pcm_reserved[i] = NULL;
507                 }
508         } else {
509                 for (i = 0; i < 3; i++) {
510                         /* check individual playback stream */
511                         if (ice->playback_con_substream_ds[i] == substream) {
512                                 if (ice->pcm_reserved[i] &&
513                                     ice->pcm_reserved[i] != substream) {
514                                         mutex_unlock(&ice->open_mutex);
515                                         return -EBUSY;
516                                 }
517                                 ice->pcm_reserved[i] = substream;
518                                 break;
519                         }
520                 }
521         }
522         mutex_unlock(&ice->open_mutex);
523         snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
524         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
525 }
526
527 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
528 {
529         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
530         int i;
531
532         mutex_lock(&ice->open_mutex);
533         /* unmark surround channels */
534         for (i = 0; i < 3; i++)
535                 if (ice->pcm_reserved[i] == substream)
536                         ice->pcm_reserved[i] = NULL;
537         mutex_unlock(&ice->open_mutex);
538         return snd_pcm_lib_free_pages(substream);
539 }
540
541 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
542 {
543         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
544         unsigned char val;
545         unsigned int size;
546
547         spin_lock_irq(&ice->reg_lock);
548         val = (8 - substream->runtime->channels) >> 1;
549         outb(val, ICEMT1724(ice, BURST));
550
551         outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
552
553         size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
554         // outl(size, ICEMT1724(ice, PLAYBACK_SIZE));
555         outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
556         outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
557         size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
558         // outl(size, ICEMT1724(ice, PLAYBACK_COUNT));
559         outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
560         outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
561
562         spin_unlock_irq(&ice->reg_lock);
563
564         // 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));
565         return 0;
566 }
567
568 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
569 {
570         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
571         size_t ptr;
572
573         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
574                 return 0;
575 #if 0 /* read PLAYBACK_ADDR */
576         ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
577         if (ptr < substream->runtime->dma_addr) {
578                 snd_printd("ice1724: invalid negative ptr\n");
579                 return 0;
580         }
581         ptr -= substream->runtime->dma_addr;
582         ptr = bytes_to_frames(substream->runtime, ptr);
583         if (ptr >= substream->runtime->buffer_size) {
584                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
585                            (int)ptr, (int)substream->runtime->period_size);
586                 return 0;
587         }
588 #else /* read PLAYBACK_SIZE */
589         ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
590         ptr = (ptr + 1) << 2;
591         ptr = bytes_to_frames(substream->runtime, ptr);
592         if (! ptr)
593                 ;
594         else if (ptr <= substream->runtime->buffer_size)
595                 ptr = substream->runtime->buffer_size - ptr;
596         else {
597                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
598                            (int)ptr, (int)substream->runtime->buffer_size);
599                 ptr = 0;
600         }
601 #endif
602         return ptr;
603 }
604
605 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
606 {
607         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
608         struct vt1724_pcm_reg *reg = substream->runtime->private_data;
609
610         spin_lock_irq(&ice->reg_lock);
611         outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
612         outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
613              ice->profi_port + reg->size);
614         outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
615              ice->profi_port + reg->count);
616         spin_unlock_irq(&ice->reg_lock);
617         return 0;
618 }
619
620 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
621 {
622         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
623         struct vt1724_pcm_reg *reg = substream->runtime->private_data;
624         size_t ptr;
625
626         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
627                 return 0;
628 #if 0 /* use ADDR register */
629         ptr = inl(ice->profi_port + reg->addr);
630         ptr -= substream->runtime->dma_addr;
631         return bytes_to_frames(substream->runtime, ptr);
632 #else /* use SIZE register */
633         ptr = inw(ice->profi_port + reg->size);
634         ptr = (ptr + 1) << 2;
635         ptr = bytes_to_frames(substream->runtime, ptr);
636         if (! ptr)
637                 ;
638         else if (ptr <= substream->runtime->buffer_size)
639                 ptr = substream->runtime->buffer_size - ptr;
640         else {
641                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
642                            (int)ptr, (int)substream->runtime->buffer_size);
643                 ptr = 0;
644         }
645         return ptr;
646 #endif
647 }
648
649 static struct vt1724_pcm_reg vt1724_playback_pro_reg = {
650         .addr = VT1724_MT_PLAYBACK_ADDR,
651         .size = VT1724_MT_PLAYBACK_SIZE,
652         .count = VT1724_MT_PLAYBACK_COUNT,
653         .start = VT1724_PDMA0_START,
654 };
655
656 static struct vt1724_pcm_reg vt1724_capture_pro_reg = {
657         .addr = VT1724_MT_CAPTURE_ADDR,
658         .size = VT1724_MT_CAPTURE_SIZE,
659         .count = VT1724_MT_CAPTURE_COUNT,
660         .start = VT1724_RDMA0_START,
661 };
662
663 static struct snd_pcm_hardware snd_vt1724_playback_pro =
664 {
665         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
666                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
667                                  SNDRV_PCM_INFO_MMAP_VALID |
668                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
669         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
670         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
671         .rate_min =             8000,
672         .rate_max =             192000,
673         .channels_min =         2,
674         .channels_max =         8,
675         .buffer_bytes_max =     (1UL << 21),    /* 19bits dword */
676         .period_bytes_min =     8 * 4 * 2,      /* FIXME: constraints needed */
677         .period_bytes_max =     (1UL << 21),
678         .periods_min =          2,
679         .periods_max =          1024,
680 };
681
682 static struct snd_pcm_hardware snd_vt1724_spdif =
683 {
684         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
685                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
686                                  SNDRV_PCM_INFO_MMAP_VALID |
687                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
688         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
689         .rates =                (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
690                                  SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
691                                  SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
692                                  SNDRV_PCM_RATE_192000),
693         .rate_min =             32000,
694         .rate_max =             192000,
695         .channels_min =         2,
696         .channels_max =         2,
697         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
698         .period_bytes_min =     2 * 4 * 2,
699         .period_bytes_max =     (1UL << 18),
700         .periods_min =          2,
701         .periods_max =          1024,
702 };
703
704 static struct snd_pcm_hardware snd_vt1724_2ch_stereo =
705 {
706         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
707                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
708                                  SNDRV_PCM_INFO_MMAP_VALID |
709                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
710         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
711         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
712         .rate_min =             8000,
713         .rate_max =             192000,
714         .channels_min =         2,
715         .channels_max =         2,
716         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
717         .period_bytes_min =     2 * 4 * 2,
718         .period_bytes_max =     (1UL << 18),
719         .periods_min =          2,
720         .periods_max =          1024,
721 };
722
723 /*
724  * set rate constraints
725  */
726 static int set_rate_constraints(struct snd_ice1712 *ice,
727                                 struct snd_pcm_substream *substream)
728 {
729         struct snd_pcm_runtime *runtime = substream->runtime;
730         if (ice->hw_rates) {
731                 /* hardware specific */
732                 runtime->hw.rate_min = ice->hw_rates->list[0];
733                 runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
734                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
735                 return snd_pcm_hw_constraint_list(runtime, 0,
736                                                   SNDRV_PCM_HW_PARAM_RATE,
737                                                   ice->hw_rates);
738         }
739         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
740                 /* I2S */
741                 /* VT1720 doesn't support more than 96kHz */
742                 if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
743                         return snd_pcm_hw_constraint_list(runtime, 0,
744                                                           SNDRV_PCM_HW_PARAM_RATE,
745                                                           &hw_constraints_rates_192);
746                 else {
747                         runtime->hw.rates = SNDRV_PCM_RATE_KNOT |
748                                 SNDRV_PCM_RATE_8000_96000;
749                         runtime->hw.rate_max = 96000;
750                         return snd_pcm_hw_constraint_list(runtime, 0,
751                                                           SNDRV_PCM_HW_PARAM_RATE,
752                                                           &hw_constraints_rates_96);
753                 }
754         } else if (ice->ac97) {
755                 /* ACLINK */
756                 runtime->hw.rate_max = 48000;
757                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000;
758                 return snd_pcm_hw_constraint_list(runtime, 0,
759                                                   SNDRV_PCM_HW_PARAM_RATE,
760                                                   &hw_constraints_rates_48);
761         }
762         return 0;
763 }
764
765 /* multi-channel playback needs alignment 8x32bit regardless of the channels
766  * actually used
767  */
768 #define VT1724_BUFFER_ALIGN     0x20
769
770 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
771 {
772         struct snd_pcm_runtime *runtime = substream->runtime;
773         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
774         int chs;
775
776         runtime->private_data = &vt1724_playback_pro_reg;
777         ice->playback_pro_substream = substream;
778         runtime->hw = snd_vt1724_playback_pro;
779         snd_pcm_set_sync(substream);
780         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
781         set_rate_constraints(ice, substream);
782         mutex_lock(&ice->open_mutex);
783         /* calculate the currently available channels */
784         for (chs = 0; chs < 3; chs++) {
785                 if (ice->pcm_reserved[chs])
786                         break;
787         }
788         chs = (chs + 1) * 2;
789         runtime->hw.channels_max = chs;
790         if (chs > 2) /* channels must be even */
791                 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
792         mutex_unlock(&ice->open_mutex);
793         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
794                                    VT1724_BUFFER_ALIGN);
795         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
796                                    VT1724_BUFFER_ALIGN);
797         return 0;
798 }
799
800 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
801 {
802         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
803         struct snd_pcm_runtime *runtime = substream->runtime;
804
805         runtime->private_data = &vt1724_capture_pro_reg;
806         ice->capture_pro_substream = substream;
807         runtime->hw = snd_vt1724_2ch_stereo;
808         snd_pcm_set_sync(substream);
809         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
810         set_rate_constraints(ice, substream);
811         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
812                                    VT1724_BUFFER_ALIGN);
813         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
814                                    VT1724_BUFFER_ALIGN);
815         return 0;
816 }
817
818 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
819 {
820         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
821
822         if (PRO_RATE_RESET)
823                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
824         ice->playback_pro_substream = NULL;
825
826         return 0;
827 }
828
829 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
830 {
831         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
832
833         if (PRO_RATE_RESET)
834                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
835         ice->capture_pro_substream = NULL;
836         return 0;
837 }
838
839 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
840         .open =         snd_vt1724_playback_pro_open,
841         .close =        snd_vt1724_playback_pro_close,
842         .ioctl =        snd_pcm_lib_ioctl,
843         .hw_params =    snd_vt1724_pcm_hw_params,
844         .hw_free =      snd_vt1724_pcm_hw_free,
845         .prepare =      snd_vt1724_playback_pro_prepare,
846         .trigger =      snd_vt1724_pcm_trigger,
847         .pointer =      snd_vt1724_playback_pro_pointer,
848 };
849
850 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
851         .open =         snd_vt1724_capture_pro_open,
852         .close =        snd_vt1724_capture_pro_close,
853         .ioctl =        snd_pcm_lib_ioctl,
854         .hw_params =    snd_vt1724_pcm_hw_params,
855         .hw_free =      snd_vt1724_pcm_hw_free,
856         .prepare =      snd_vt1724_pcm_prepare,
857         .trigger =      snd_vt1724_pcm_trigger,
858         .pointer =      snd_vt1724_pcm_pointer,
859 };
860
861 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 * ice, int device)
862 {
863         struct snd_pcm *pcm;
864         int err;
865
866         err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
867         if (err < 0)
868                 return err;
869
870         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
871         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
872
873         pcm->private_data = ice;
874         pcm->info_flags = 0;
875         strcpy(pcm->name, "ICE1724");
876
877         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
878                                               snd_dma_pci_data(ice->pci),
879                                               256*1024, 256*1024);
880
881         ice->pcm_pro = pcm;
882
883         return 0;
884 }
885
886
887 /*
888  * SPDIF PCM
889  */
890
891 static struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
892         .addr = VT1724_MT_PDMA4_ADDR,
893         .size = VT1724_MT_PDMA4_SIZE,
894         .count = VT1724_MT_PDMA4_COUNT,
895         .start = VT1724_PDMA4_START,
896 };
897
898 static struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
899         .addr = VT1724_MT_RDMA1_ADDR,
900         .size = VT1724_MT_RDMA1_SIZE,
901         .count = VT1724_MT_RDMA1_COUNT,
902         .start = VT1724_RDMA1_START,
903 };
904
905 /* update spdif control bits; call with reg_lock */
906 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
907 {
908         unsigned char cbit, disabled;
909
910         cbit = inb(ICEREG1724(ice, SPDIF_CFG));
911         disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
912         if (cbit != disabled)
913                 outb(disabled, ICEREG1724(ice, SPDIF_CFG));
914         outw(val, ICEMT1724(ice, SPDIF_CTRL));
915         if (cbit != disabled)
916                 outb(cbit, ICEREG1724(ice, SPDIF_CFG));
917         outw(val, ICEMT1724(ice, SPDIF_CTRL));
918 }
919
920 /* update SPDIF control bits according to the given rate */
921 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
922 {
923         unsigned int val, nval;
924         unsigned long flags;
925
926         spin_lock_irqsave(&ice->reg_lock, flags);
927         nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
928         nval &= ~(7 << 12);
929         switch (rate) {
930         case 44100: break;
931         case 48000: nval |= 2 << 12; break;
932         case 32000: nval |= 3 << 12; break;
933         case 88200: nval |= 4 << 12; break;
934         case 96000: nval |= 5 << 12; break;
935         case 192000: nval |= 6 << 12; break;
936         case 176400: nval |= 7 << 12; break;
937         }
938         if (val != nval)
939                 update_spdif_bits(ice, nval);
940         spin_unlock_irqrestore(&ice->reg_lock, flags);
941 }
942
943 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
944 {
945         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
946         if (! ice->force_pdma4)
947                 update_spdif_rate(ice, substream->runtime->rate);
948         return snd_vt1724_pcm_prepare(substream);
949 }
950
951 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
952 {
953         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
954         struct snd_pcm_runtime *runtime = substream->runtime;
955
956         runtime->private_data = &vt1724_playback_spdif_reg;
957         ice->playback_con_substream = substream;
958         if (ice->force_pdma4) {
959                 runtime->hw = snd_vt1724_2ch_stereo;
960                 set_rate_constraints(ice, substream);
961         } else
962                 runtime->hw = snd_vt1724_spdif;
963         snd_pcm_set_sync(substream);
964         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
965         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
966                                    VT1724_BUFFER_ALIGN);
967         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
968                                    VT1724_BUFFER_ALIGN);
969         return 0;
970 }
971
972 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
973 {
974         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
975
976         if (PRO_RATE_RESET)
977                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
978         ice->playback_con_substream = NULL;
979
980         return 0;
981 }
982
983 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
984 {
985         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
986         struct snd_pcm_runtime *runtime = substream->runtime;
987
988         runtime->private_data = &vt1724_capture_spdif_reg;
989         ice->capture_con_substream = substream;
990         if (ice->force_rdma1) {
991                 runtime->hw = snd_vt1724_2ch_stereo;
992                 set_rate_constraints(ice, substream);
993         } else
994                 runtime->hw = snd_vt1724_spdif;
995         snd_pcm_set_sync(substream);
996         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
997         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
998                                    VT1724_BUFFER_ALIGN);
999         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1000                                    VT1724_BUFFER_ALIGN);
1001         return 0;
1002 }
1003
1004 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1005 {
1006         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1007
1008         if (PRO_RATE_RESET)
1009                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1010         ice->capture_con_substream = NULL;
1011
1012         return 0;
1013 }
1014
1015 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1016         .open =         snd_vt1724_playback_spdif_open,
1017         .close =        snd_vt1724_playback_spdif_close,
1018         .ioctl =        snd_pcm_lib_ioctl,
1019         .hw_params =    snd_vt1724_pcm_hw_params,
1020         .hw_free =      snd_vt1724_pcm_hw_free,
1021         .prepare =      snd_vt1724_playback_spdif_prepare,
1022         .trigger =      snd_vt1724_pcm_trigger,
1023         .pointer =      snd_vt1724_pcm_pointer,
1024 };
1025
1026 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1027         .open =         snd_vt1724_capture_spdif_open,
1028         .close =        snd_vt1724_capture_spdif_close,
1029         .ioctl =        snd_pcm_lib_ioctl,
1030         .hw_params =    snd_vt1724_pcm_hw_params,
1031         .hw_free =      snd_vt1724_pcm_hw_free,
1032         .prepare =      snd_vt1724_pcm_prepare,
1033         .trigger =      snd_vt1724_pcm_trigger,
1034         .pointer =      snd_vt1724_pcm_pointer,
1035 };
1036
1037
1038 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 * ice, int device)
1039 {
1040         char *name;
1041         struct snd_pcm *pcm;
1042         int play, capt;
1043         int err;
1044
1045         if (ice->force_pdma4 ||
1046             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1047                 play = 1;
1048                 ice->has_spdif = 1;
1049         } else
1050                 play = 0;
1051         if (ice->force_rdma1 ||
1052             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1053                 capt = 1;
1054                 ice->has_spdif = 1;
1055         } else
1056                 capt = 0;
1057         if (! play && ! capt)
1058                 return 0; /* no spdif device */
1059
1060         if (ice->force_pdma4 || ice->force_rdma1)
1061                 name = "ICE1724 Secondary";
1062         else
1063                 name = "IEC1724 IEC958";
1064         err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1065         if (err < 0)
1066                 return err;
1067
1068         if (play)
1069                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1070                                 &snd_vt1724_playback_spdif_ops);
1071         if (capt)
1072                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1073                                 &snd_vt1724_capture_spdif_ops);
1074
1075         pcm->private_data = ice;
1076         pcm->info_flags = 0;
1077         strcpy(pcm->name, name);
1078
1079         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1080                                               snd_dma_pci_data(ice->pci),
1081                                               64*1024, 64*1024);
1082
1083         ice->pcm = pcm;
1084
1085         return 0;
1086 }
1087
1088
1089 /*
1090  * independent surround PCMs
1091  */
1092
1093 static struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1094         {
1095                 .addr = VT1724_MT_PDMA1_ADDR,
1096                 .size = VT1724_MT_PDMA1_SIZE,
1097                 .count = VT1724_MT_PDMA1_COUNT,
1098                 .start = VT1724_PDMA1_START,
1099         },
1100         {
1101                 .addr = VT1724_MT_PDMA2_ADDR,
1102                 .size = VT1724_MT_PDMA2_SIZE,
1103                 .count = VT1724_MT_PDMA2_COUNT,
1104                 .start = VT1724_PDMA2_START,
1105         },
1106         {
1107                 .addr = VT1724_MT_PDMA3_ADDR,
1108                 .size = VT1724_MT_PDMA3_SIZE,
1109                 .count = VT1724_MT_PDMA3_COUNT,
1110                 .start = VT1724_PDMA3_START,
1111         },
1112 };
1113
1114 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1115 {
1116         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1117         unsigned char val;
1118
1119         spin_lock_irq(&ice->reg_lock);
1120         val = 3 - substream->number;
1121         if (inb(ICEMT1724(ice, BURST)) < val)
1122                 outb(val, ICEMT1724(ice, BURST));
1123         spin_unlock_irq(&ice->reg_lock);
1124         return snd_vt1724_pcm_prepare(substream);
1125 }
1126
1127 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1128 {
1129         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1130         struct snd_pcm_runtime *runtime = substream->runtime;
1131
1132         mutex_lock(&ice->open_mutex);
1133         /* already used by PDMA0? */
1134         if (ice->pcm_reserved[substream->number]) {
1135                 mutex_unlock(&ice->open_mutex);
1136                 return -EBUSY; /* FIXME: should handle blocking mode properly */
1137         }
1138         mutex_unlock(&ice->open_mutex);
1139         runtime->private_data = &vt1724_playback_dma_regs[substream->number];
1140         ice->playback_con_substream_ds[substream->number] = substream;
1141         runtime->hw = snd_vt1724_2ch_stereo;
1142         snd_pcm_set_sync(substream);
1143         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1144         set_rate_constraints(ice, substream);
1145         return 0;
1146 }
1147
1148 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1149 {
1150         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1151
1152         if (PRO_RATE_RESET)
1153                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1154         ice->playback_con_substream_ds[substream->number] = NULL;
1155         ice->pcm_reserved[substream->number] = NULL;
1156
1157         return 0;
1158 }
1159
1160 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1161         .open =         snd_vt1724_playback_indep_open,
1162         .close =        snd_vt1724_playback_indep_close,
1163         .ioctl =        snd_pcm_lib_ioctl,
1164         .hw_params =    snd_vt1724_pcm_hw_params,
1165         .hw_free =      snd_vt1724_pcm_hw_free,
1166         .prepare =      snd_vt1724_playback_indep_prepare,
1167         .trigger =      snd_vt1724_pcm_trigger,
1168         .pointer =      snd_vt1724_pcm_pointer,
1169 };
1170
1171
1172 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 * ice, int device)
1173 {
1174         struct snd_pcm *pcm;
1175         int play;
1176         int err;
1177
1178         play = ice->num_total_dacs / 2 - 1;
1179         if (play <= 0)
1180                 return 0;
1181
1182         err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1183         if (err < 0)
1184                 return err;
1185
1186         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1187                         &snd_vt1724_playback_indep_ops);
1188
1189         pcm->private_data = ice;
1190         pcm->info_flags = 0;
1191         strcpy(pcm->name, "ICE1724 Surround PCM");
1192
1193         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1194                                               snd_dma_pci_data(ice->pci),
1195                                               64*1024, 64*1024);
1196
1197         ice->pcm_ds = pcm;
1198
1199         return 0;
1200 }
1201
1202
1203 /*
1204  *  Mixer section
1205  */
1206
1207 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 * ice)
1208 {
1209         int err;
1210
1211         if (! (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1212                 struct snd_ac97_bus *pbus;
1213                 struct snd_ac97_template ac97;
1214                 static struct snd_ac97_bus_ops ops = {
1215                         .write = snd_vt1724_ac97_write,
1216                         .read = snd_vt1724_ac97_read,
1217                 };
1218
1219                 /* cold reset */
1220                 outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1221                 mdelay(5); /* FIXME */
1222                 outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1223
1224                 if ((err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus)) < 0)
1225                         return err;
1226                 memset(&ac97, 0, sizeof(ac97));
1227                 ac97.private_data = ice;
1228                 if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0)
1229                         printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1230                 else
1231                         return 0;
1232         }
1233         /* I2S mixer only */
1234         strcat(ice->card->mixername, "ICE1724 - multitrack");
1235         return 0;
1236 }
1237
1238 /*
1239  *
1240  */
1241
1242 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1243 {
1244         return (unsigned int)ice->eeprom.data[idx] | \
1245                 ((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1246                 ((unsigned int)ice->eeprom.data[idx + 2] << 16);
1247 }
1248
1249 static void snd_vt1724_proc_read(struct snd_info_entry *entry, 
1250                                  struct snd_info_buffer *buffer)
1251 {
1252         struct snd_ice1712 *ice = entry->private_data;
1253         unsigned int idx;
1254
1255         snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1256         snd_iprintf(buffer, "EEPROM:\n");
1257
1258         snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1259         snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1260         snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1261         snd_iprintf(buffer, "  System Config    : 0x%x\n",
1262                     ice->eeprom.data[ICE_EEP2_SYSCONF]);
1263         snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1264                     ice->eeprom.data[ICE_EEP2_ACLINK]);
1265         snd_iprintf(buffer, "  I2S              : 0x%x\n",
1266                     ice->eeprom.data[ICE_EEP2_I2S]);
1267         snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1268                     ice->eeprom.data[ICE_EEP2_SPDIF]);
1269         snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1270                     ice->eeprom.gpiodir);
1271         snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1272                     ice->eeprom.gpiomask);
1273         snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1274                     ice->eeprom.gpiostate);
1275         for (idx = 0x12; idx < ice->eeprom.size; idx++)
1276                 snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1277                             idx, ice->eeprom.data[idx]);
1278
1279         snd_iprintf(buffer, "\nRegisters:\n");
1280
1281         snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1282                     (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1283         for (idx = 0x0; idx < 0x20 ; idx++)
1284                 snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1285                             idx, inb(ice->port+idx));
1286         for (idx = 0x0; idx < 0x30 ; idx++)
1287                 snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1288                             idx, inb(ice->profi_port+idx));
1289 }
1290
1291 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 * ice)
1292 {
1293         struct snd_info_entry *entry;
1294
1295         if (! snd_card_proc_new(ice->card, "ice1724", &entry))
1296                 snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1297 }
1298
1299 /*
1300  *
1301  */
1302
1303 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1304                                   struct snd_ctl_elem_info *uinfo)
1305 {
1306         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1307         uinfo->count = sizeof(struct snd_ice1712_eeprom);
1308         return 0;
1309 }
1310
1311 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1312                                  struct snd_ctl_elem_value *ucontrol)
1313 {
1314         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1315         
1316         memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1317         return 0;
1318 }
1319
1320 static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1321         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1322         .name = "ICE1724 EEPROM",
1323         .access = SNDRV_CTL_ELEM_ACCESS_READ,
1324         .info = snd_vt1724_eeprom_info,
1325         .get = snd_vt1724_eeprom_get
1326 };
1327
1328 /*
1329  */
1330 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1331                                  struct snd_ctl_elem_info *uinfo)
1332 {
1333         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1334         uinfo->count = 1;
1335         return 0;
1336 }
1337
1338 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1339 {
1340         unsigned int val, rbits;
1341
1342         val = diga->status[0] & 0x03; /* professional, non-audio */
1343         if (val & 0x01) {
1344                 /* professional */
1345                 if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1346                     IEC958_AES0_PRO_EMPHASIS_5015)
1347                         val |= 1U << 3;
1348                 rbits = (diga->status[4] >> 3) & 0x0f;
1349                 if (rbits) {
1350                         switch (rbits) {
1351                         case 2: val |= 5 << 12; break; /* 96k */
1352                         case 3: val |= 6 << 12; break; /* 192k */
1353                         case 10: val |= 4 << 12; break; /* 88.2k */
1354                         case 11: val |= 7 << 12; break; /* 176.4k */
1355                         }
1356                 } else {
1357                         switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1358                         case IEC958_AES0_PRO_FS_44100:
1359                                 break;
1360                         case IEC958_AES0_PRO_FS_32000:
1361                                 val |= 3U << 12;
1362                                 break;
1363                         default:
1364                                 val |= 2U << 12;
1365                                 break;
1366                         }
1367                 }
1368         } else {
1369                 /* consumer */
1370                 val |= diga->status[1] & 0x04; /* copyright */
1371                 if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1372                     IEC958_AES0_CON_EMPHASIS_5015)
1373                         val |= 1U << 3;
1374                 val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1375                 val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1376         }
1377         return val;
1378 }
1379
1380 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1381 {
1382         memset(diga->status, 0, sizeof(diga->status));
1383         diga->status[0] = val & 0x03; /* professional, non-audio */
1384         if (val & 0x01) {
1385                 /* professional */
1386                 if (val & (1U << 3))
1387                         diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1388                 switch ((val >> 12) & 0x7) {
1389                 case 0:
1390                         break;
1391                 case 2:
1392                         diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1393                         break;
1394                 default:
1395                         diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1396                         break;
1397                 }
1398         } else {
1399                 /* consumer */
1400                 diga->status[0] |= val & (1U << 2); /* copyright */
1401                 if (val & (1U << 3))
1402                         diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1403                 diga->status[1] |= (val >> 4) & 0x3f; /* category */
1404                 diga->status[3] |= (val >> 12) & 0x07; /* fs */
1405         }
1406 }
1407
1408 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1409                                         struct snd_ctl_elem_value *ucontrol)
1410 {
1411         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1412         unsigned int val;
1413         val = inw(ICEMT1724(ice, SPDIF_CTRL));
1414         decode_spdif_bits(&ucontrol->value.iec958, val);
1415         return 0;
1416 }
1417
1418 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1419                                          struct snd_ctl_elem_value *ucontrol)
1420 {
1421         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1422         unsigned int val, old;
1423
1424         val = encode_spdif_bits(&ucontrol->value.iec958);
1425         spin_lock_irq(&ice->reg_lock);
1426         old = inw(ICEMT1724(ice, SPDIF_CTRL));
1427         if (val != old)
1428                 update_spdif_bits(ice, val);
1429         spin_unlock_irq(&ice->reg_lock);
1430         return (val != old);
1431 }
1432
1433 static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1434 {
1435         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1436         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1437         .info =         snd_vt1724_spdif_info,
1438         .get =          snd_vt1724_spdif_default_get,
1439         .put =          snd_vt1724_spdif_default_put
1440 };
1441
1442 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1443                                        struct snd_ctl_elem_value *ucontrol)
1444 {
1445         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1446                                                      IEC958_AES0_PROFESSIONAL |
1447                                                      IEC958_AES0_CON_NOT_COPYRIGHT |
1448                                                      IEC958_AES0_CON_EMPHASIS;
1449         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1450                                                      IEC958_AES1_CON_CATEGORY;
1451         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1452         return 0;
1453 }
1454
1455 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1456                                        struct snd_ctl_elem_value *ucontrol)
1457 {
1458         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1459                                                      IEC958_AES0_PROFESSIONAL |
1460                                                      IEC958_AES0_PRO_FS |
1461                                                      IEC958_AES0_PRO_EMPHASIS;
1462         return 0;
1463 }
1464
1465 static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1466 {
1467         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1468         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1469         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1470         .info =         snd_vt1724_spdif_info,
1471         .get =          snd_vt1724_spdif_maskc_get,
1472 };
1473
1474 static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1475 {
1476         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1477         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1478         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1479         .info =         snd_vt1724_spdif_info,
1480         .get =          snd_vt1724_spdif_maskp_get,
1481 };
1482
1483 static int snd_vt1724_spdif_sw_info(struct snd_kcontrol *kcontrol,
1484                                     struct snd_ctl_elem_info *uinfo)
1485 {
1486         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1487         uinfo->count = 1;
1488         uinfo->value.integer.min = 0;
1489         uinfo->value.integer.max = 1;
1490         return 0;
1491 }
1492
1493 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1494                                    struct snd_ctl_elem_value *ucontrol)
1495 {
1496         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1497         ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1498                 VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1499         return 0;
1500 }
1501
1502 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1503                                    struct snd_ctl_elem_value *ucontrol)
1504 {
1505         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1506         unsigned char old, val;
1507
1508         spin_lock_irq(&ice->reg_lock);
1509         old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1510         val &= ~VT1724_CFG_SPDIF_OUT_EN;
1511         if (ucontrol->value.integer.value[0])
1512                 val |= VT1724_CFG_SPDIF_OUT_EN;
1513         if (old != val)
1514                 outb(val, ICEREG1724(ice, SPDIF_CFG));
1515         spin_unlock_irq(&ice->reg_lock);
1516         return old != val;
1517 }
1518
1519 static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1520 {
1521         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1522         /* FIXME: the following conflict with IEC958 Playback Route */
1523         // .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1524         .name =         SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH),
1525         .info =         snd_vt1724_spdif_sw_info,
1526         .get =          snd_vt1724_spdif_sw_get,
1527         .put =          snd_vt1724_spdif_sw_put
1528 };
1529
1530
1531 #if 0 /* NOT USED YET */
1532 /*
1533  * GPIO access from extern
1534  */
1535
1536 int snd_vt1724_gpio_info(struct snd_kcontrol *kcontrol,
1537                          struct snd_ctl_elem_info *uinfo)
1538 {
1539         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1540         uinfo->count = 1;
1541         uinfo->value.integer.min = 0;
1542         uinfo->value.integer.max = 1;
1543         return 0;
1544 }
1545
1546 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1547                         struct snd_ctl_elem_value *ucontrol)
1548 {
1549         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1550         int shift = kcontrol->private_value & 0xff;
1551         int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1552         
1553         snd_ice1712_save_gpio_status(ice);
1554         ucontrol->value.integer.value[0] =
1555                 (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1556         snd_ice1712_restore_gpio_status(ice);
1557         return 0;
1558 }
1559
1560 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1561                          struct snd_ctl_elem_value *ucontrol)
1562 {
1563         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1564         int shift = kcontrol->private_value & 0xff;
1565         int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1566         unsigned int val, nval;
1567
1568         if (kcontrol->private_value & (1 << 31))
1569                 return -EPERM;
1570         nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1571         snd_ice1712_save_gpio_status(ice);
1572         val = snd_ice1712_gpio_read(ice);
1573         nval |= val & ~(1 << shift);
1574         if (val != nval)
1575                 snd_ice1712_gpio_write(ice, nval);
1576         snd_ice1712_restore_gpio_status(ice);
1577         return val != nval;
1578 }
1579 #endif /* NOT USED YET */
1580
1581 /*
1582  *  rate
1583  */
1584 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1585                                               struct snd_ctl_elem_info *uinfo)
1586 {
1587         static char *texts_1724[] = {
1588                 "8000",         /* 0: 6 */
1589                 "9600",         /* 1: 3 */
1590                 "11025",        /* 2: 10 */
1591                 "12000",        /* 3: 2 */
1592                 "16000",        /* 4: 5 */
1593                 "22050",        /* 5: 9 */
1594                 "24000",        /* 6: 1 */
1595                 "32000",        /* 7: 4 */
1596                 "44100",        /* 8: 8 */
1597                 "48000",        /* 9: 0 */
1598                 "64000",        /* 10: 15 */
1599                 "88200",        /* 11: 11 */
1600                 "96000",        /* 12: 7 */
1601                 "176400",       /* 13: 12 */
1602                 "192000",       /* 14: 14 */
1603                 "IEC958 Input", /* 15: -- */
1604         };
1605         static char *texts_1720[] = {
1606                 "8000",         /* 0: 6 */
1607                 "9600",         /* 1: 3 */
1608                 "11025",        /* 2: 10 */
1609                 "12000",        /* 3: 2 */
1610                 "16000",        /* 4: 5 */
1611                 "22050",        /* 5: 9 */
1612                 "24000",        /* 6: 1 */
1613                 "32000",        /* 7: 4 */
1614                 "44100",        /* 8: 8 */
1615                 "48000",        /* 9: 0 */
1616                 "64000",        /* 10: 15 */
1617                 "88200",        /* 11: 11 */
1618                 "96000",        /* 12: 7 */
1619                 "IEC958 Input", /* 13: -- */
1620         };
1621         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1622
1623         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1624         uinfo->count = 1;
1625         uinfo->value.enumerated.items = ice->vt1720 ? 14 : 16;
1626         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1627                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1628         strcpy(uinfo->value.enumerated.name,
1629                ice->vt1720 ? texts_1720[uinfo->value.enumerated.item] :
1630                texts_1724[uinfo->value.enumerated.item]);
1631         return 0;
1632 }
1633
1634 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1635                                              struct snd_ctl_elem_value *ucontrol)
1636 {
1637         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1638         static unsigned char xlate[16] = {
1639                 9, 6, 3, 1, 7, 4, 0, 12, 8, 5, 2, 11, 13, 255, 14, 10
1640         };
1641         unsigned char val;
1642         
1643         spin_lock_irq(&ice->reg_lock);
1644         if (is_spdif_master(ice)) {
1645                 ucontrol->value.enumerated.item[0] = ice->vt1720 ? 13 : 15;
1646         } else {
1647                 val = xlate[inb(ICEMT1724(ice, RATE)) & 15];
1648                 if (val == 255) {
1649                         snd_BUG();
1650                         val = 0;
1651                 }
1652                 ucontrol->value.enumerated.item[0] = val;
1653         }
1654         spin_unlock_irq(&ice->reg_lock);
1655         return 0;
1656 }
1657
1658 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1659                                              struct snd_ctl_elem_value *ucontrol)
1660 {
1661         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1662         unsigned char oval;
1663         int rate;
1664         int change = 0;
1665         int spdif = ice->vt1720 ? 13 : 15;
1666
1667         spin_lock_irq(&ice->reg_lock);
1668         oval = inb(ICEMT1724(ice, RATE));
1669         if (ucontrol->value.enumerated.item[0] == spdif) {
1670                 outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1671         } else {
1672                 rate = rates[ucontrol->value.integer.value[0] % 15];
1673                 if (rate <= get_max_rate(ice)) {
1674                         PRO_RATE_DEFAULT = rate;
1675                         spin_unlock_irq(&ice->reg_lock);
1676                         snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 1);
1677                         spin_lock_irq(&ice->reg_lock);
1678                 }
1679         }
1680         change = inb(ICEMT1724(ice, RATE)) != oval;
1681         spin_unlock_irq(&ice->reg_lock);
1682
1683         if ((oval & VT1724_SPDIF_MASTER) !=
1684             (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER)) {
1685                 /* notify akm chips as well */
1686                 if (is_spdif_master(ice)) {
1687                         unsigned int i;
1688                         for (i = 0; i < ice->akm_codecs; i++) {
1689                                 if (ice->akm[i].ops.set_rate_val)
1690                                         ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1691                         }
1692                 }
1693         }
1694         return change;
1695 }
1696
1697 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1698         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1699         .name = "Multi Track Internal Clock",
1700         .info = snd_vt1724_pro_internal_clock_info,
1701         .get = snd_vt1724_pro_internal_clock_get,
1702         .put = snd_vt1724_pro_internal_clock_put
1703 };
1704
1705 static int snd_vt1724_pro_rate_locking_info(struct snd_kcontrol *kcontrol,
1706                                             struct snd_ctl_elem_info *uinfo)
1707 {
1708         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1709         uinfo->count = 1;
1710         uinfo->value.integer.min = 0;
1711         uinfo->value.integer.max = 1;
1712         return 0;
1713 }
1714
1715 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1716                                            struct snd_ctl_elem_value *ucontrol)
1717 {
1718         ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1719         return 0;
1720 }
1721
1722 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1723                                            struct snd_ctl_elem_value *ucontrol)
1724 {
1725         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1726         int change = 0, nval;
1727
1728         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1729         spin_lock_irq(&ice->reg_lock);
1730         change = PRO_RATE_LOCKED != nval;
1731         PRO_RATE_LOCKED = nval;
1732         spin_unlock_irq(&ice->reg_lock);
1733         return change;
1734 }
1735
1736 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1737         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1738         .name = "Multi Track Rate Locking",
1739         .info = snd_vt1724_pro_rate_locking_info,
1740         .get = snd_vt1724_pro_rate_locking_get,
1741         .put = snd_vt1724_pro_rate_locking_put
1742 };
1743
1744 static int snd_vt1724_pro_rate_reset_info(struct snd_kcontrol *kcontrol,
1745                                           struct snd_ctl_elem_info *uinfo)
1746 {
1747         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1748         uinfo->count = 1;
1749         uinfo->value.integer.min = 0;
1750         uinfo->value.integer.max = 1;
1751         return 0;
1752 }
1753
1754 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1755                                          struct snd_ctl_elem_value *ucontrol)
1756 {
1757         ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1758         return 0;
1759 }
1760
1761 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1762                                          struct snd_ctl_elem_value *ucontrol)
1763 {
1764         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1765         int change = 0, nval;
1766
1767         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1768         spin_lock_irq(&ice->reg_lock);
1769         change = PRO_RATE_RESET != nval;
1770         PRO_RATE_RESET = nval;
1771         spin_unlock_irq(&ice->reg_lock);
1772         return change;
1773 }
1774
1775 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1776         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1777         .name = "Multi Track Rate Reset",
1778         .info = snd_vt1724_pro_rate_reset_info,
1779         .get = snd_vt1724_pro_rate_reset_get,
1780         .put = snd_vt1724_pro_rate_reset_put
1781 };
1782
1783
1784 /*
1785  * routing
1786  */
1787 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1788                                      struct snd_ctl_elem_info *uinfo)
1789 {
1790         static char *texts[] = {
1791                 "PCM Out", /* 0 */
1792                 "H/W In 0", "H/W In 1", /* 1-2 */
1793                 "IEC958 In L", "IEC958 In R", /* 3-4 */
1794         };
1795         
1796         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1797         uinfo->count = 1;
1798         uinfo->value.enumerated.items = 5;
1799         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1800                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1801         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1802         return 0;
1803 }
1804
1805 static inline int analog_route_shift(int idx)
1806 {
1807         return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1808 }
1809
1810 static inline int digital_route_shift(int idx)
1811 {
1812         return idx * 3;
1813 }
1814
1815 static int get_route_val(struct snd_ice1712 *ice, int shift)
1816 {
1817         unsigned long val;
1818         unsigned char eitem;
1819         static unsigned char xlate[8] = {
1820                 0, 255, 1, 2, 255, 255, 3, 4,
1821         };
1822
1823         val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1824         val >>= shift;
1825         val &= 7;       //we now have 3 bits per output
1826         eitem = xlate[val];
1827         if (eitem == 255) {
1828                 snd_BUG();
1829                 return 0;
1830         }
1831         return eitem;
1832 }
1833
1834 static int put_route_val(struct snd_ice1712 *ice, unsigned int val, int shift)
1835 {
1836         unsigned int old_val, nval;
1837         int change;
1838         static unsigned char xroute[8] = {
1839                 0, /* PCM */
1840                 2, /* PSDIN0 Left */
1841                 3, /* PSDIN0 Right */
1842                 6, /* SPDIN Left */
1843                 7, /* SPDIN Right */
1844         };
1845
1846         nval = xroute[val % 5];
1847         val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1848         val &= ~(0x07 << shift);
1849         val |= nval << shift;
1850         change = val != old_val;
1851         if (change)
1852                 outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1853         return change;
1854 }
1855
1856 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
1857                                            struct snd_ctl_elem_value *ucontrol)
1858 {
1859         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1860         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1861         ucontrol->value.enumerated.item[0] =
1862                 get_route_val(ice, analog_route_shift(idx));
1863         return 0;
1864 }
1865
1866 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
1867                                            struct snd_ctl_elem_value *ucontrol)
1868 {
1869         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1870         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1871         return put_route_val(ice, ucontrol->value.enumerated.item[0],
1872                              analog_route_shift(idx));
1873 }
1874
1875 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
1876                                           struct snd_ctl_elem_value *ucontrol)
1877 {
1878         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1879         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1880         ucontrol->value.enumerated.item[0] =
1881                 get_route_val(ice, digital_route_shift(idx));
1882         return 0;
1883 }
1884
1885 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
1886                                           struct snd_ctl_elem_value *ucontrol)
1887 {
1888         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1889         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1890         return put_route_val(ice, ucontrol->value.enumerated.item[0],
1891                              digital_route_shift(idx));
1892 }
1893
1894 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata = {
1895         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1896         .name = "H/W Playback Route",
1897         .info = snd_vt1724_pro_route_info,
1898         .get = snd_vt1724_pro_route_analog_get,
1899         .put = snd_vt1724_pro_route_analog_put,
1900 };
1901
1902 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
1903         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1904         .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Route",
1905         .info = snd_vt1724_pro_route_info,
1906         .get = snd_vt1724_pro_route_spdif_get,
1907         .put = snd_vt1724_pro_route_spdif_put,
1908         .count = 2,
1909 };
1910
1911
1912 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
1913                                     struct snd_ctl_elem_info *uinfo)
1914 {
1915         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1916         uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
1917         uinfo->value.integer.min = 0;
1918         uinfo->value.integer.max = 255;
1919         return 0;
1920 }
1921
1922 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
1923                                    struct snd_ctl_elem_value *ucontrol)
1924 {
1925         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1926         int idx;
1927         
1928         spin_lock_irq(&ice->reg_lock);
1929         for (idx = 0; idx < 22; idx++) {
1930                 outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
1931                 ucontrol->value.integer.value[idx] =
1932                         inb(ICEMT1724(ice, MONITOR_PEAKDATA));
1933         }
1934         spin_unlock_irq(&ice->reg_lock);
1935         return 0;
1936 }
1937
1938 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
1939         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1940         .name = "Multi Track Peak",
1941         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1942         .info = snd_vt1724_pro_peak_info,
1943         .get = snd_vt1724_pro_peak_get
1944 };
1945
1946 /*
1947  *
1948  */
1949
1950 static struct snd_ice1712_card_info no_matched __devinitdata;
1951
1952 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
1953         snd_vt1724_revo_cards,
1954         snd_vt1724_amp_cards, 
1955         snd_vt1724_aureon_cards,
1956         snd_vt1720_mobo_cards,
1957         snd_vt1720_pontis_cards,
1958         snd_vt1724_prodigy192_cards,
1959         snd_vt1724_juli_cards,
1960         snd_vt1724_phase_cards,
1961         NULL,
1962 };
1963
1964
1965 /*
1966  */
1967
1968 static void wait_i2c_busy(struct snd_ice1712 *ice)
1969 {
1970         int t = 0x10000;
1971         while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
1972                 ;
1973         if (t == -1)
1974                 printk(KERN_ERR "ice1724: i2c busy timeout\n");
1975 }
1976
1977 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
1978                                   unsigned char dev, unsigned char addr)
1979 {
1980         unsigned char val;
1981
1982         mutex_lock(&ice->i2c_mutex);
1983         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1984         outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1985         wait_i2c_busy(ice);
1986         val = inb(ICEREG1724(ice, I2C_DATA));
1987         mutex_unlock(&ice->i2c_mutex);
1988         //printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
1989         return val;
1990 }
1991
1992 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
1993                           unsigned char dev, unsigned char addr, unsigned char data)
1994 {
1995         mutex_lock(&ice->i2c_mutex);
1996         wait_i2c_busy(ice);
1997         //printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
1998         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1999         outb(data, ICEREG1724(ice, I2C_DATA));
2000         outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2001         wait_i2c_busy(ice);
2002         mutex_unlock(&ice->i2c_mutex);
2003 }
2004
2005 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2006                                             const char *modelname)
2007 {
2008         const int dev = 0xa0;           /* EEPROM device address */
2009         unsigned int i, size;
2010         struct snd_ice1712_card_info **tbl, *c;
2011
2012         if (! modelname || ! *modelname) {
2013                 ice->eeprom.subvendor = 0;
2014                 if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2015                         ice->eeprom.subvendor =
2016                                 (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2017                                 (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) | 
2018                                 (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) | 
2019                                 (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2020                 if (ice->eeprom.subvendor == 0 ||
2021                     ice->eeprom.subvendor == (unsigned int)-1) {
2022                         /* invalid subvendor from EEPROM, try the PCI
2023                          * subststem ID instead
2024                          */
2025                         u16 vendor, device;
2026                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2027                                              &vendor);
2028                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2029                         ice->eeprom.subvendor =
2030                                 ((unsigned int)swab16(vendor) << 16) | swab16(device);
2031                         if (ice->eeprom.subvendor == 0 ||
2032                             ice->eeprom.subvendor == (unsigned int)-1) {
2033                                 printk(KERN_ERR "ice1724: No valid ID is found\n");
2034                                 return -ENXIO;
2035                         }
2036                 }
2037         }
2038         for (tbl = card_tables; *tbl; tbl++) {
2039                 for (c = *tbl; c->subvendor; c++) {
2040                         if (modelname && c->model &&
2041                             ! strcmp(modelname, c->model)) {
2042                                 printk(KERN_INFO "ice1724: Using board model %s\n",
2043                                        c->name);
2044                                 ice->eeprom.subvendor = c->subvendor;
2045                         } else if (c->subvendor != ice->eeprom.subvendor)
2046                                 continue;
2047                         if (! c->eeprom_size || ! c->eeprom_data)
2048                                 goto found;
2049                         /* if the EEPROM is given by the driver, use it */
2050                         snd_printdd("using the defined eeprom..\n");
2051                         ice->eeprom.version = 2;
2052                         ice->eeprom.size = c->eeprom_size + 6;
2053                         memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2054                         goto read_skipped;
2055                 }
2056         }
2057         printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2058                ice->eeprom.subvendor);
2059
2060  found:
2061         ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2062         if (ice->eeprom.size < 6)
2063                 ice->eeprom.size = 32;
2064         else if (ice->eeprom.size > 32) {
2065                 printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2066                        ice->eeprom.size);
2067                 return -EIO;
2068         }
2069         ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2070         if (ice->eeprom.version != 2)
2071                 printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2072                        ice->eeprom.version);
2073         size = ice->eeprom.size - 6;
2074         for (i = 0; i < size; i++)
2075                 ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2076
2077  read_skipped:
2078         ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2079         ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2080         ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2081
2082         return 0;
2083 }
2084
2085
2086
2087 static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice)
2088 {
2089         outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2090         udelay(200);
2091         outb(0, ICEREG1724(ice, CONTROL));
2092         udelay(200);
2093         outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2094         outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2095         outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2096         outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2097
2098         ice->gpio.write_mask = ice->eeprom.gpiomask;
2099         ice->gpio.direction = ice->eeprom.gpiodir;
2100         snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2101         snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2102         snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2103
2104         outb(0, ICEREG1724(ice, POWERDOWN));
2105
2106         return 0;
2107 }
2108
2109 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2110 {
2111         int err;
2112         struct snd_kcontrol *kctl;
2113
2114         snd_assert(ice->pcm != NULL, return -EIO);
2115
2116         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2117         if (err < 0)
2118                 return err;
2119
2120         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2121         if (err < 0)
2122                 return err;
2123
2124         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2125         if (err < 0)
2126                 return err;
2127         kctl->id.device = ice->pcm->device;
2128         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2129         if (err < 0)
2130                 return err;
2131         kctl->id.device = ice->pcm->device;
2132         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2133         if (err < 0)
2134                 return err;
2135         kctl->id.device = ice->pcm->device;
2136 #if 0 /* use default only */
2137         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2138         if (err < 0)
2139                 return err;
2140         kctl->id.device = ice->pcm->device;
2141         ice->spdif.stream_ctl = kctl;
2142 #endif
2143         return 0;
2144 }
2145
2146
2147 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2148 {
2149         int err;
2150
2151         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2152         if (err < 0)
2153                 return err;
2154         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2155         if (err < 0)
2156                 return err;
2157
2158         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2159         if (err < 0)
2160                 return err;
2161         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2162         if (err < 0)
2163                 return err;
2164
2165         if (ice->num_total_dacs > 0) {
2166                 struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2167                 tmp.count = ice->num_total_dacs;
2168                 if (ice->vt1720 && tmp.count > 2)
2169                         tmp.count = 2;
2170                 err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2171                 if (err < 0)
2172                         return err;
2173         }
2174
2175         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2176         if (err < 0)
2177                 return err;
2178
2179         return 0;
2180 }
2181
2182 static int snd_vt1724_free(struct snd_ice1712 *ice)
2183 {
2184         if (! ice->port)
2185                 goto __hw_end;
2186         /* mask all interrupts */
2187         outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2188         outb(0xff, ICEREG1724(ice, IRQMASK));
2189         /* --- */
2190       __hw_end:
2191         if (ice->irq >= 0) {
2192                 synchronize_irq(ice->irq);
2193                 free_irq(ice->irq, ice);
2194         }
2195         pci_release_regions(ice->pci);
2196         snd_ice1712_akm4xxx_free(ice);
2197         pci_disable_device(ice->pci);
2198         kfree(ice);
2199         return 0;
2200 }
2201
2202 static int snd_vt1724_dev_free(struct snd_device *device)
2203 {
2204         struct snd_ice1712 *ice = device->device_data;
2205         return snd_vt1724_free(ice);
2206 }
2207
2208 static int __devinit snd_vt1724_create(struct snd_card *card,
2209                                        struct pci_dev *pci,
2210                                        const char *modelname,
2211                                        struct snd_ice1712 ** r_ice1712)
2212 {
2213         struct snd_ice1712 *ice;
2214         int err;
2215         unsigned char mask;
2216         static struct snd_device_ops ops = {
2217                 .dev_free =     snd_vt1724_dev_free,
2218         };
2219
2220         *r_ice1712 = NULL;
2221
2222         /* enable PCI device */
2223         if ((err = pci_enable_device(pci)) < 0)
2224                 return err;
2225
2226         ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2227         if (ice == NULL) {
2228                 pci_disable_device(pci);
2229                 return -ENOMEM;
2230         }
2231         ice->vt1724 = 1;
2232         spin_lock_init(&ice->reg_lock);
2233         mutex_init(&ice->gpio_mutex);
2234         mutex_init(&ice->open_mutex);
2235         mutex_init(&ice->i2c_mutex);
2236         ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2237         ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2238         ice->gpio.set_data = snd_vt1724_set_gpio_data;
2239         ice->gpio.get_data = snd_vt1724_get_gpio_data;
2240         ice->card = card;
2241         ice->pci = pci;
2242         ice->irq = -1;
2243         pci_set_master(pci);
2244         snd_vt1724_proc_init(ice);
2245         synchronize_irq(pci->irq);
2246
2247         if ((err = pci_request_regions(pci, "ICE1724")) < 0) {
2248                 kfree(ice);
2249                 pci_disable_device(pci);
2250                 return err;
2251         }
2252         ice->port = pci_resource_start(pci, 0);
2253         ice->profi_port = pci_resource_start(pci, 1);
2254
2255         if (request_irq(pci->irq, snd_vt1724_interrupt,
2256                         IRQF_DISABLED|IRQF_SHARED, "ICE1724", ice)) {
2257                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2258                 snd_vt1724_free(ice);
2259                 return -EIO;
2260         }
2261
2262         ice->irq = pci->irq;
2263
2264         if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2265                 snd_vt1724_free(ice);
2266                 return -EIO;
2267         }
2268         if (snd_vt1724_chip_init(ice) < 0) {
2269                 snd_vt1724_free(ice);
2270                 return -EIO;
2271         }
2272
2273         /* unmask used interrupts */
2274         if (! (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401))
2275                 mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2276         else
2277                 mask = 0;
2278         outb(mask, ICEREG1724(ice, IRQMASK));
2279         /* don't handle FIFO overrun/underruns (just yet),
2280          * since they cause machine lockups
2281          */
2282         outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2283
2284         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops)) < 0) {
2285                 snd_vt1724_free(ice);
2286                 return err;
2287         }
2288
2289         snd_card_set_dev(card, &pci->dev);
2290
2291         *r_ice1712 = ice;
2292         return 0;
2293 }
2294
2295
2296 /*
2297  *
2298  * Registration
2299  *
2300  */
2301
2302 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2303                                       const struct pci_device_id *pci_id)
2304 {
2305         static int dev;
2306         struct snd_card *card;
2307         struct snd_ice1712 *ice;
2308         int pcm_dev = 0, err;
2309         struct snd_ice1712_card_info **tbl, *c;
2310
2311         if (dev >= SNDRV_CARDS)
2312                 return -ENODEV;
2313         if (!enable[dev]) {
2314                 dev++;
2315                 return -ENOENT;
2316         }
2317
2318         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2319         if (card == NULL)
2320                 return -ENOMEM;
2321
2322         strcpy(card->driver, "ICE1724");
2323         strcpy(card->shortname, "ICEnsemble ICE1724");
2324         
2325         if ((err = snd_vt1724_create(card, pci, model[dev], &ice)) < 0) {
2326                 snd_card_free(card);
2327                 return err;
2328         }
2329
2330         for (tbl = card_tables; *tbl; tbl++) {
2331                 for (c = *tbl; c->subvendor; c++) {
2332                         if (c->subvendor == ice->eeprom.subvendor) {
2333                                 strcpy(card->shortname, c->name);
2334                                 if (c->driver) /* specific driver? */
2335                                         strcpy(card->driver, c->driver);
2336                                 if (c->chip_init) {
2337                                         if ((err = c->chip_init(ice)) < 0) {
2338                                                 snd_card_free(card);
2339                                                 return err;
2340                                         }
2341                                 }
2342                                 goto __found;
2343                         }
2344                 }
2345         }
2346         c = &no_matched;
2347  __found:
2348
2349         if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
2350                 snd_card_free(card);
2351                 return err;
2352         }
2353         
2354         if ((err = snd_vt1724_pcm_spdif(ice, pcm_dev++)) < 0) {
2355                 snd_card_free(card);
2356                 return err;
2357         }
2358         
2359         if ((err = snd_vt1724_pcm_indep(ice, pcm_dev++)) < 0) {
2360                 snd_card_free(card);
2361                 return err;
2362         }
2363
2364         if ((err = snd_vt1724_ac97_mixer(ice)) < 0) {
2365                 snd_card_free(card);
2366                 return err;
2367         }
2368
2369         if ((err = snd_vt1724_build_controls(ice)) < 0) {
2370                 snd_card_free(card);
2371                 return err;
2372         }
2373
2374         if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2375                 if ((err = snd_vt1724_spdif_build_controls(ice)) < 0) {
2376                         snd_card_free(card);
2377                         return err;
2378                 }
2379         }
2380
2381         if (c->build_controls) {
2382                 if ((err = c->build_controls(ice)) < 0) {
2383                         snd_card_free(card);
2384                         return err;
2385                 }
2386         }
2387
2388         if (! c->no_mpu401) {
2389                 if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2390                         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ICE1712,
2391                                                        ICEREG1724(ice, MPU_CTRL),
2392                                                        MPU401_INFO_INTEGRATED,
2393                                                        ice->irq, 0,
2394                                                        &ice->rmidi[0])) < 0) {
2395                                 snd_card_free(card);
2396                                 return err;
2397                         }
2398                 }
2399         }
2400
2401         sprintf(card->longname, "%s at 0x%lx, irq %i",
2402                 card->shortname, ice->port, ice->irq);
2403
2404         if ((err = snd_card_register(card)) < 0) {
2405                 snd_card_free(card);
2406                 return err;
2407         }
2408         pci_set_drvdata(pci, card);
2409         dev++;
2410         return 0;
2411 }
2412
2413 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2414 {
2415         snd_card_free(pci_get_drvdata(pci));
2416         pci_set_drvdata(pci, NULL);
2417 }
2418
2419 static struct pci_driver driver = {
2420         .name = "ICE1724",
2421         .id_table = snd_vt1724_ids,
2422         .probe = snd_vt1724_probe,
2423         .remove = __devexit_p(snd_vt1724_remove),
2424 };
2425
2426 static int __init alsa_card_ice1724_init(void)
2427 {
2428         return pci_register_driver(&driver);
2429 }
2430
2431 static void __exit alsa_card_ice1724_exit(void)
2432 {
2433         pci_unregister_driver(&driver);
2434 }
2435
2436 module_init(alsa_card_ice1724_init)
2437 module_exit(alsa_card_ice1724_exit)