79b5f12e06fc4afba100a65e8eacefbefa697b52
[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 <sound/core.h>
34 #include <sound/info.h>
35 #include <sound/mpu401.h>
36 #include <sound/initval.h>
37
38 #include <sound/asoundef.h>
39
40 #include "ice1712.h"
41 #include "envy24ht.h"
42
43 /* lowlevel routines */
44 #include "amp.h"
45 #include "revo.h"
46 #include "aureon.h"
47 #include "vt1720_mobo.h"
48 #include "pontis.h"
49 #include "prodigy192.h"
50 #include "juli.h"
51 #include "phase.h"
52
53
54 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
55 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
56 MODULE_LICENSE("GPL");
57 MODULE_SUPPORTED_DEVICE("{"
58                REVO_DEVICE_DESC
59                AMP_AUDIO2000_DEVICE_DESC
60                AUREON_DEVICE_DESC
61                VT1720_MOBO_DEVICE_DESC
62                PONTIS_DEVICE_DESC
63                PRODIGY192_DEVICE_DESC
64                JULI_DEVICE_DESC
65                PHASE_DEVICE_DESC
66                 "{VIA,VT1720},"
67                 "{VIA,VT1724},"
68                 "{ICEnsemble,Generic ICE1724},"
69                 "{ICEnsemble,Generic Envy24HT}"
70                 "{ICEnsemble,Generic Envy24PT}}");
71
72 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
73 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
74 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;              /* Enable this card */
75 static char *model[SNDRV_CARDS];
76
77 module_param_array(index, int, NULL, 0444);
78 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
79 module_param_array(id, charp, NULL, 0444);
80 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
81 module_param_array(enable, bool, NULL, 0444);
82 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
83 module_param_array(model, charp, NULL, 0444);
84 MODULE_PARM_DESC(model, "Use the given board model.");
85
86 #ifndef PCI_VENDOR_ID_ICE
87 #define PCI_VENDOR_ID_ICE               0x1412
88 #endif
89 #ifndef PCI_DEVICE_ID_VT1724
90 #define PCI_DEVICE_ID_VT1724            0x1724
91 #endif
92
93 /* Both VT1720 and VT1724 have the same PCI IDs */
94 static struct pci_device_id snd_vt1724_ids[] = {
95         { PCI_VENDOR_ID_ICE, PCI_DEVICE_ID_VT1724, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
96         { 0, }
97 };
98
99 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
100
101
102 static int PRO_RATE_LOCKED;
103 static int PRO_RATE_RESET = 1;
104 static unsigned int PRO_RATE_DEFAULT = 44100;
105
106 /*
107  *  Basic I/O
108  */
109  
110 /* check whether the clock mode is spdif-in */
111 static inline int is_spdif_master(ice1712_t *ice)
112 {
113         return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
114 }
115
116 static inline int is_pro_rate_locked(ice1712_t *ice)
117 {
118         return is_spdif_master(ice) || PRO_RATE_LOCKED;
119 }
120
121 /*
122  * ac97 section
123  */
124
125 static unsigned char snd_vt1724_ac97_ready(ice1712_t *ice)
126 {
127         unsigned char old_cmd;
128         int tm;
129         for (tm = 0; tm < 0x10000; tm++) {
130                 old_cmd = inb(ICEMT1724(ice, AC97_CMD));
131                 if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
132                         continue;
133                 if (!(old_cmd & VT1724_AC97_READY))
134                         continue;
135                 return old_cmd;
136         }
137         snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
138         return old_cmd;
139 }
140
141 static int snd_vt1724_ac97_wait_bit(ice1712_t *ice, unsigned char bit)
142 {
143         int tm;
144         for (tm = 0; tm < 0x10000; tm++)
145                 if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
146                         return 0;
147         snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
148         return -EIO;
149 }
150
151 static void snd_vt1724_ac97_write(ac97_t *ac97,
152                                   unsigned short reg,
153                                   unsigned short val)
154 {
155         ice1712_t *ice = (ice1712_t *)ac97->private_data;
156         unsigned char old_cmd;
157
158         old_cmd = snd_vt1724_ac97_ready(ice);
159         old_cmd &= ~VT1724_AC97_ID_MASK;
160         old_cmd |= ac97->num;
161         outb(reg, ICEMT1724(ice, AC97_INDEX));
162         outw(val, ICEMT1724(ice, AC97_DATA));
163         outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
164         snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
165 }
166
167 static unsigned short snd_vt1724_ac97_read(ac97_t *ac97, unsigned short reg)
168 {
169         ice1712_t *ice = (ice1712_t *)ac97->private_data;
170         unsigned char old_cmd;
171
172         old_cmd = snd_vt1724_ac97_ready(ice);
173         old_cmd &= ~VT1724_AC97_ID_MASK;
174         old_cmd |= ac97->num;
175         outb(reg, ICEMT1724(ice, AC97_INDEX));
176         outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
177         if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
178                 return ~0;
179         return inw(ICEMT1724(ice, AC97_DATA));
180 }
181
182
183 /*
184  * GPIO operations
185  */
186
187 /* set gpio direction 0 = read, 1 = write */
188 static void snd_vt1724_set_gpio_dir(ice1712_t *ice, unsigned int data)
189 {
190         outl(data, ICEREG1724(ice, GPIO_DIRECTION));
191         inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
192 }
193
194 /* set the gpio mask (0 = writable) */
195 static void snd_vt1724_set_gpio_mask(ice1712_t *ice, unsigned int data)
196 {
197         outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
198         if (! ice->vt1720) /* VT1720 supports only 16 GPIO bits */
199                 outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
200         inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
201 }
202
203 static void snd_vt1724_set_gpio_data(ice1712_t *ice, unsigned int data)
204 {
205         outw(data, ICEREG1724(ice, GPIO_DATA));
206         if (! ice->vt1720)
207                 outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
208         inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
209 }
210
211 static unsigned int snd_vt1724_get_gpio_data(ice1712_t *ice)
212 {
213         unsigned int data;
214         if (! ice->vt1720)
215                 data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
216         else
217                 data = 0;
218         data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
219         return data;
220 }
221
222 /*
223  *  Interrupt handler
224  */
225
226 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id, struct pt_regs *regs)
227 {
228         ice1712_t *ice = dev_id;
229         unsigned char status;
230         int handled = 0;
231
232         while (1) {
233                 status = inb(ICEREG1724(ice, IRQSTAT));
234                 if (status == 0)
235                         break;
236
237                 handled = 1;            
238                 /*  these should probably be separated at some point, 
239                         but as we don't currently have MPU support on the board I will leave it */
240                 if ((status & VT1724_IRQ_MPU_RX)||(status & VT1724_IRQ_MPU_TX)) {
241                         if (ice->rmidi[0])
242                                 snd_mpu401_uart_interrupt(irq, ice->rmidi[0]->private_data, regs);
243                         outb(status & (VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX), ICEREG1724(ice, IRQSTAT));
244                         status &= ~(VT1724_IRQ_MPU_RX|VT1724_IRQ_MPU_TX);
245                 }
246                 if (status & VT1724_IRQ_MTPCM) {
247                         /*
248                          * Multi-track PCM
249                          * PCM assignment are:
250                          * Playback DMA0 (M/C) = playback_pro_substream
251                          * Playback DMA1 = playback_con_substream_ds[0]
252                          * Playback DMA2 = playback_con_substream_ds[1]
253                          * Playback DMA3 = playback_con_substream_ds[2]
254                          * Playback DMA4 (SPDIF) = playback_con_substream
255                          * Record DMA0 = capture_pro_substream
256                          * Record DMA1 = capture_con_substream
257                          */
258                         unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
259                         if (mtstat & VT1724_MULTI_PDMA0) {
260                                 if (ice->playback_pro_substream)
261                                         snd_pcm_period_elapsed(ice->playback_pro_substream);
262                         }
263                         if (mtstat & VT1724_MULTI_RDMA0) {
264                                 if (ice->capture_pro_substream)
265                                         snd_pcm_period_elapsed(ice->capture_pro_substream);
266                         }
267                         if (mtstat & VT1724_MULTI_PDMA1) {
268                                 if (ice->playback_con_substream_ds[0])
269                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
270                         }
271                         if (mtstat & VT1724_MULTI_PDMA2) {
272                                 if (ice->playback_con_substream_ds[1])
273                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
274                         }
275                         if (mtstat & VT1724_MULTI_PDMA3) {
276                                 if (ice->playback_con_substream_ds[2])
277                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
278                         }
279                         if (mtstat & VT1724_MULTI_PDMA4) {
280                                 if (ice->playback_con_substream)
281                                         snd_pcm_period_elapsed(ice->playback_con_substream);
282                         }
283                         if (mtstat & VT1724_MULTI_RDMA1) {
284                                 if (ice->capture_con_substream)
285                                         snd_pcm_period_elapsed(ice->capture_con_substream);
286                         }
287                         /* ack anyway to avoid freeze */
288                         outb(mtstat, ICEMT1724(ice, IRQ));
289                         /* ought to really handle this properly */
290                         if (mtstat & VT1724_MULTI_FIFO_ERR) {
291                                 unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
292                                 outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));      
293                                 outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));  
294                                 /* If I don't do this, I get machine lockup due to continual interrupts */
295                         }
296
297                 }
298         }
299         return IRQ_RETVAL(handled);
300 }
301
302 /*
303  *  PCM code - professional part (multitrack)
304  */
305
306 static unsigned int rates[] = {
307         8000, 9600, 11025, 12000, 16000, 22050, 24000,
308         32000, 44100, 48000, 64000, 88200, 96000,
309         176400, 192000,
310 };
311
312 static snd_pcm_hw_constraint_list_t hw_constraints_rates_96 = {
313         .count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
314         .list = rates,
315         .mask = 0,
316 };
317
318 static snd_pcm_hw_constraint_list_t hw_constraints_rates_48 = {
319         .count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
320         .list = rates,
321         .mask = 0,
322 };
323
324 static snd_pcm_hw_constraint_list_t hw_constraints_rates_192 = {
325         .count = ARRAY_SIZE(rates),
326         .list = rates,
327         .mask = 0,
328 };
329
330 struct vt1724_pcm_reg {
331         unsigned int addr;      /* ADDR register offset */
332         unsigned int size;      /* SIZE register offset */
333         unsigned int count;     /* COUNT register offset */
334         unsigned int start;     /* start & pause bit */
335 };
336
337 static int snd_vt1724_pcm_trigger(snd_pcm_substream_t *substream, int cmd)
338 {
339         ice1712_t *ice = snd_pcm_substream_chip(substream);
340         unsigned char what;
341         unsigned char old;
342         struct list_head *pos;
343         snd_pcm_substream_t *s;
344
345         what = 0;
346         snd_pcm_group_for_each(pos, substream) {
347                 struct vt1724_pcm_reg *reg;
348                 s = snd_pcm_group_substream_entry(pos);
349                 reg = s->runtime->private_data;
350                 what |= reg->start;
351                 snd_pcm_trigger_done(s, substream);
352         }
353
354         switch (cmd) {
355         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
356         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
357                 spin_lock(&ice->reg_lock);
358                 old = inb(ICEMT1724(ice, DMA_PAUSE));
359                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
360                         old |= what;
361                 else
362                         old &= ~what;
363                 outb(old, ICEMT1724(ice, DMA_PAUSE));
364                 spin_unlock(&ice->reg_lock);
365                 break;
366
367         case SNDRV_PCM_TRIGGER_START:
368         case SNDRV_PCM_TRIGGER_STOP:
369                 spin_lock(&ice->reg_lock);
370                 old = inb(ICEMT1724(ice, DMA_CONTROL));
371                 if (cmd == SNDRV_PCM_TRIGGER_START)
372                         old |= what;
373                 else
374                         old &= ~what;
375                 outb(old, ICEMT1724(ice, DMA_CONTROL));
376                 spin_unlock(&ice->reg_lock);
377                 break;
378
379         default:
380                 return -EINVAL;
381         }
382         return 0;
383 }
384
385 /*
386  */
387
388 #define DMA_STARTS      (VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
389         VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
390 #define DMA_PAUSES      (VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
391         VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
392
393 static int get_max_rate(ice1712_t *ice)
394 {
395         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
396                 if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
397                         return 192000;
398                 else
399                         return 96000;
400         } else
401                 return 48000;
402 }
403
404 static void snd_vt1724_set_pro_rate(ice1712_t *ice, unsigned int rate, int force)
405 {
406         unsigned long flags;
407         unsigned char val, old;
408         unsigned int i, mclk_change;
409
410         if (rate > get_max_rate(ice))
411                 return;
412
413         switch (rate) {
414         case 8000: val = 6; break;
415         case 9600: val = 3; break;
416         case 11025: val = 10; break;
417         case 12000: val = 2; break;
418         case 16000: val = 5; break;
419         case 22050: val = 9; break;
420         case 24000: val = 1; break;
421         case 32000: val = 4; break;
422         case 44100: val = 8; break;
423         case 48000: val = 0; break;
424         case 64000: val = 15; break;
425         case 88200: val = 11; break;
426         case 96000: val = 7; break;
427         case 176400: val = 12; break;
428         case 192000: val = 14; break;
429         default:
430                 snd_BUG();
431                 val = 0;
432                 break;
433         }
434
435         spin_lock_irqsave(&ice->reg_lock, flags);
436         if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) || 
437             (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
438                 /* running? we cannot change the rate now... */
439                 spin_unlock_irqrestore(&ice->reg_lock, flags);
440                 return;
441         }
442         if (!force && is_pro_rate_locked(ice)) {
443                 spin_unlock_irqrestore(&ice->reg_lock, flags);
444                 return;
445         }
446
447         old = inb(ICEMT1724(ice, RATE));
448         if (force || old != val)
449                 outb(val, ICEMT1724(ice, RATE));
450         else if (rate == ice->cur_rate) {
451                 spin_unlock_irqrestore(&ice->reg_lock, flags);
452                 return;
453         }
454
455         ice->cur_rate = rate;
456
457         /* check MT02 */
458         mclk_change = 0;
459         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
460                 val = old = inb(ICEMT1724(ice, I2S_FORMAT));
461                 if (rate > 96000)
462                         val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
463                 else
464                         val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
465                 if (val != old) {
466                         outb(val, ICEMT1724(ice, I2S_FORMAT));
467                         mclk_change = 1;
468                 }
469         }
470         spin_unlock_irqrestore(&ice->reg_lock, flags);
471
472         if (mclk_change && ice->gpio.i2s_mclk_changed)
473                 ice->gpio.i2s_mclk_changed(ice);
474         if (ice->gpio.set_pro_rate)
475                 ice->gpio.set_pro_rate(ice, rate);
476
477         /* set up codecs */
478         for (i = 0; i < ice->akm_codecs; i++) {
479                 if (ice->akm[i].ops.set_rate_val)
480                         ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
481         }
482         if (ice->spdif.ops.setup_rate)
483                 ice->spdif.ops.setup_rate(ice, rate);
484 }
485
486 static int snd_vt1724_pcm_hw_params(snd_pcm_substream_t * substream,
487                                     snd_pcm_hw_params_t * hw_params)
488 {
489         ice1712_t *ice = snd_pcm_substream_chip(substream);
490         int i, chs;
491
492         chs = params_channels(hw_params);
493         down(&ice->open_mutex);
494         /* mark surround channels */
495         if (substream == ice->playback_pro_substream) {
496                 /* PDMA0 can be multi-channel up to 8 */
497                 chs = chs / 2 - 1;
498                 for (i = 0; i < chs; i++) {
499                         if (ice->pcm_reserved[i] && ice->pcm_reserved[i] != substream) {
500                                 up(&ice->open_mutex);
501                                 return -EBUSY;
502                         }
503                         ice->pcm_reserved[i] = substream;
504                 }
505                 for (; i < 3; i++) {
506                         if (ice->pcm_reserved[i] == substream)
507                                 ice->pcm_reserved[i] = NULL;
508                 }
509         } else {
510                 for (i = 0; i < 3; i++) {
511                         /* check individual playback stream */
512                         if (ice->playback_con_substream_ds[i] == substream) {
513                                 if (ice->pcm_reserved[i] && ice->pcm_reserved[i] != substream) {
514                                         up(&ice->open_mutex);
515                                         return -EBUSY;
516                                 }
517                                 ice->pcm_reserved[i] = substream;
518                                 break;
519                         }
520                 }
521         }
522         up(&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(snd_pcm_substream_t * substream)
528 {
529         ice1712_t *ice = snd_pcm_substream_chip(substream);
530         int i;
531
532         down(&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         up(&ice->open_mutex);
538         return snd_pcm_lib_free_pages(substream);
539 }
540
541 static int snd_vt1724_playback_pro_prepare(snd_pcm_substream_t * substream)
542 {
543         ice1712_t *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(snd_pcm_substream_t * substream)
569 {
570         ice1712_t *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", (int)ptr, (int)substream->runtime->period_size);
585                 return 0;
586         }
587 #else /* read PLAYBACK_SIZE */
588         ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
589         ptr = (ptr + 1) << 2;
590         ptr = bytes_to_frames(substream->runtime, ptr);
591         if (! ptr)
592                 ;
593         else if (ptr <= substream->runtime->buffer_size)
594                 ptr = substream->runtime->buffer_size - ptr;
595         else {
596                 snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->buffer_size);
597                 ptr = 0;
598         }
599 #endif
600         return ptr;
601 }
602
603 static int snd_vt1724_pcm_prepare(snd_pcm_substream_t *substream)
604 {
605         ice1712_t *ice = snd_pcm_substream_chip(substream);
606         struct vt1724_pcm_reg *reg = substream->runtime->private_data;
607
608         spin_lock_irq(&ice->reg_lock);
609         outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
610         outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1, ice->profi_port + reg->size);
611         outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1, ice->profi_port + reg->count);
612         spin_unlock_irq(&ice->reg_lock);
613         return 0;
614 }
615
616 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(snd_pcm_substream_t *substream)
617 {
618         ice1712_t *ice = snd_pcm_substream_chip(substream);
619         struct vt1724_pcm_reg *reg = substream->runtime->private_data;
620         size_t ptr;
621
622         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
623                 return 0;
624 #if 0 /* use ADDR register */
625         ptr = inl(ice->profi_port + reg->addr);
626         ptr -= substream->runtime->dma_addr;
627         return bytes_to_frames(substream->runtime, ptr);
628 #else /* use SIZE register */
629         ptr = inw(ice->profi_port + reg->size);
630         ptr = (ptr + 1) << 2;
631         ptr = bytes_to_frames(substream->runtime, ptr);
632         if (! ptr)
633                 ;
634         else if (ptr <= substream->runtime->buffer_size)
635                 ptr = substream->runtime->buffer_size - ptr;
636         else {
637                 snd_printd("ice1724: invalid ptr %d (size=%d)\n", (int)ptr, (int)substream->runtime->buffer_size);
638                 ptr = 0;
639         }
640         return ptr;
641 #endif
642 }
643
644 static struct vt1724_pcm_reg vt1724_playback_pro_reg = {
645         .addr = VT1724_MT_PLAYBACK_ADDR,
646         .size = VT1724_MT_PLAYBACK_SIZE,
647         .count = VT1724_MT_PLAYBACK_COUNT,
648         .start = VT1724_PDMA0_START,
649 };
650
651 static struct vt1724_pcm_reg vt1724_capture_pro_reg = {
652         .addr = VT1724_MT_CAPTURE_ADDR,
653         .size = VT1724_MT_CAPTURE_SIZE,
654         .count = VT1724_MT_CAPTURE_COUNT,
655         .start = VT1724_RDMA0_START,
656 };
657
658 static snd_pcm_hardware_t snd_vt1724_playback_pro =
659 {
660         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
661                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
662                                  SNDRV_PCM_INFO_MMAP_VALID |
663                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
664         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
665         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
666         .rate_min =             8000,
667         .rate_max =             192000,
668         .channels_min =         2,
669         .channels_max =         8,
670         .buffer_bytes_max =     (1UL << 21),    /* 19bits dword */
671         .period_bytes_min =     8 * 4 * 2,      /* FIXME: constraints needed */
672         .period_bytes_max =     (1UL << 21),
673         .periods_min =          2,
674         .periods_max =          1024,
675 };
676
677 static snd_pcm_hardware_t snd_vt1724_spdif =
678 {
679         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
680                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
681                                  SNDRV_PCM_INFO_MMAP_VALID |
682                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
683         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
684         .rates =                SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
685         .rate_min =             32000,
686         .rate_max =             48000,
687         .channels_min =         2,
688         .channels_max =         2,
689         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
690         .period_bytes_min =     2 * 4 * 2,
691         .period_bytes_max =     (1UL << 18),
692         .periods_min =          2,
693         .periods_max =          1024,
694 };
695
696 static snd_pcm_hardware_t snd_vt1724_2ch_stereo =
697 {
698         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
699                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
700                                  SNDRV_PCM_INFO_MMAP_VALID |
701                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
702         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
703         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
704         .rate_min =             8000,
705         .rate_max =             192000,
706         .channels_min =         2,
707         .channels_max =         2,
708         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
709         .period_bytes_min =     2 * 4 * 2,
710         .period_bytes_max =     (1UL << 18),
711         .periods_min =          2,
712         .periods_max =          1024,
713 };
714
715 /*
716  * set rate constraints
717  */
718 static int set_rate_constraints(ice1712_t *ice, snd_pcm_substream_t *substream)
719 {
720         snd_pcm_runtime_t *runtime = substream->runtime;
721         if (ice->hw_rates) {
722                 /* hardware specific */
723                 runtime->hw.rate_min = ice->hw_rates->list[0];
724                 runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
725                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
726                 return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, ice->hw_rates);
727         }
728         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
729                 /* I2S */
730                 /* VT1720 doesn't support more than 96kHz */
731                 if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
732                         return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_192);
733                 else {
734                         runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_96000;
735                         runtime->hw.rate_max = 96000;
736                         return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_96);
737                 }
738         } else if (ice->ac97) {
739                 /* ACLINK */
740                 runtime->hw.rate_max = 48000;
741                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000;
742                 return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates_48);
743         }
744         return 0;
745 }
746
747 /* multi-channel playback needs alignment 8x32bit regardless of the channels
748  * actually used
749  */
750 #define VT1724_BUFFER_ALIGN     0x20
751
752 static int snd_vt1724_playback_pro_open(snd_pcm_substream_t * substream)
753 {
754         snd_pcm_runtime_t *runtime = substream->runtime;
755         ice1712_t *ice = snd_pcm_substream_chip(substream);
756         int chs;
757
758         runtime->private_data = &vt1724_playback_pro_reg;
759         ice->playback_pro_substream = substream;
760         runtime->hw = snd_vt1724_playback_pro;
761         snd_pcm_set_sync(substream);
762         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
763         set_rate_constraints(ice, substream);
764         down(&ice->open_mutex);
765         /* calculate the currently available channels */
766         for (chs = 0; chs < 3; chs++) {
767                 if (ice->pcm_reserved[chs])
768                         break;
769         }
770         chs = (chs + 1) * 2;
771         runtime->hw.channels_max = chs;
772         if (chs > 2) /* channels must be even */
773                 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
774         up(&ice->open_mutex);
775         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
776                                    VT1724_BUFFER_ALIGN);
777         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
778                                    VT1724_BUFFER_ALIGN);
779         return 0;
780 }
781
782 static int snd_vt1724_capture_pro_open(snd_pcm_substream_t * substream)
783 {
784         ice1712_t *ice = snd_pcm_substream_chip(substream);
785         snd_pcm_runtime_t *runtime = substream->runtime;
786
787         runtime->private_data = &vt1724_capture_pro_reg;
788         ice->capture_pro_substream = substream;
789         runtime->hw = snd_vt1724_2ch_stereo;
790         snd_pcm_set_sync(substream);
791         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
792         set_rate_constraints(ice, substream);
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_playback_pro_close(snd_pcm_substream_t * substream)
801 {
802         ice1712_t *ice = snd_pcm_substream_chip(substream);
803
804         if (PRO_RATE_RESET)
805                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
806         ice->playback_pro_substream = NULL;
807
808         return 0;
809 }
810
811 static int snd_vt1724_capture_pro_close(snd_pcm_substream_t * substream)
812 {
813         ice1712_t *ice = snd_pcm_substream_chip(substream);
814
815         if (PRO_RATE_RESET)
816                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
817         ice->capture_pro_substream = NULL;
818         return 0;
819 }
820
821 static snd_pcm_ops_t snd_vt1724_playback_pro_ops = {
822         .open =         snd_vt1724_playback_pro_open,
823         .close =        snd_vt1724_playback_pro_close,
824         .ioctl =        snd_pcm_lib_ioctl,
825         .hw_params =    snd_vt1724_pcm_hw_params,
826         .hw_free =      snd_vt1724_pcm_hw_free,
827         .prepare =      snd_vt1724_playback_pro_prepare,
828         .trigger =      snd_vt1724_pcm_trigger,
829         .pointer =      snd_vt1724_playback_pro_pointer,
830 };
831
832 static snd_pcm_ops_t snd_vt1724_capture_pro_ops = {
833         .open =         snd_vt1724_capture_pro_open,
834         .close =        snd_vt1724_capture_pro_close,
835         .ioctl =        snd_pcm_lib_ioctl,
836         .hw_params =    snd_vt1724_pcm_hw_params,
837         .hw_free =      snd_vt1724_pcm_hw_free,
838         .prepare =      snd_vt1724_pcm_prepare,
839         .trigger =      snd_vt1724_pcm_trigger,
840         .pointer =      snd_vt1724_pcm_pointer,
841 };
842
843 static int __devinit snd_vt1724_pcm_profi(ice1712_t * ice, int device)
844 {
845         snd_pcm_t *pcm;
846         int err;
847
848         err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
849         if (err < 0)
850                 return err;
851
852         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
853         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
854
855         pcm->private_data = ice;
856         pcm->info_flags = 0;
857         strcpy(pcm->name, "ICE1724");
858
859         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
860                                               snd_dma_pci_data(ice->pci), 256*1024, 256*1024);
861
862         ice->pcm_pro = pcm;
863
864         return 0;
865 }
866
867
868 /*
869  * SPDIF PCM
870  */
871
872 static struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
873         .addr = VT1724_MT_PDMA4_ADDR,
874         .size = VT1724_MT_PDMA4_SIZE,
875         .count = VT1724_MT_PDMA4_COUNT,
876         .start = VT1724_PDMA4_START,
877 };
878
879 static struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
880         .addr = VT1724_MT_RDMA1_ADDR,
881         .size = VT1724_MT_RDMA1_SIZE,
882         .count = VT1724_MT_RDMA1_COUNT,
883         .start = VT1724_RDMA1_START,
884 };
885
886 /* update spdif control bits; call with reg_lock */
887 static void update_spdif_bits(ice1712_t *ice, unsigned int val)
888 {
889         unsigned char cbit, disabled;
890
891         cbit = inb(ICEREG1724(ice, SPDIF_CFG));
892         disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
893         if (cbit != disabled)
894                 outb(disabled, ICEREG1724(ice, SPDIF_CFG));
895         outw(val, ICEMT1724(ice, SPDIF_CTRL));
896         if (cbit != disabled)
897                 outb(cbit, ICEREG1724(ice, SPDIF_CFG));
898         outw(val, ICEMT1724(ice, SPDIF_CTRL));
899 }
900
901 /* update SPDIF control bits according to the given rate */
902 static void update_spdif_rate(ice1712_t *ice, unsigned int rate)
903 {
904         unsigned int val, nval;
905         unsigned long flags;
906
907         spin_lock_irqsave(&ice->reg_lock, flags);
908         nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
909         nval &= ~(7 << 12);
910         switch (rate) {
911         case 44100: break;
912         case 48000: nval |= 2 << 12; break;
913         case 32000: nval |= 3 << 12; break;
914         }
915         if (val != nval)
916                 update_spdif_bits(ice, nval);
917         spin_unlock_irqrestore(&ice->reg_lock, flags);
918 }
919
920 static int snd_vt1724_playback_spdif_prepare(snd_pcm_substream_t * substream)
921 {
922         ice1712_t *ice = snd_pcm_substream_chip(substream);
923         if (! ice->force_pdma4)
924                 update_spdif_rate(ice, substream->runtime->rate);
925         return snd_vt1724_pcm_prepare(substream);
926 }
927
928 static int snd_vt1724_playback_spdif_open(snd_pcm_substream_t *substream)
929 {
930         ice1712_t *ice = snd_pcm_substream_chip(substream);
931         snd_pcm_runtime_t *runtime = substream->runtime;
932
933         runtime->private_data = &vt1724_playback_spdif_reg;
934         ice->playback_con_substream = substream;
935         if (ice->force_pdma4) {
936                 runtime->hw = snd_vt1724_2ch_stereo;
937                 set_rate_constraints(ice, substream);
938         } else
939                 runtime->hw = snd_vt1724_spdif;
940         snd_pcm_set_sync(substream);
941         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
942         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
943                                    VT1724_BUFFER_ALIGN);
944         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
945                                    VT1724_BUFFER_ALIGN);
946         return 0;
947 }
948
949 static int snd_vt1724_playback_spdif_close(snd_pcm_substream_t * substream)
950 {
951         ice1712_t *ice = snd_pcm_substream_chip(substream);
952
953         if (PRO_RATE_RESET)
954                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
955         ice->playback_con_substream = NULL;
956
957         return 0;
958 }
959
960 static int snd_vt1724_capture_spdif_open(snd_pcm_substream_t *substream)
961 {
962         ice1712_t *ice = snd_pcm_substream_chip(substream);
963         snd_pcm_runtime_t *runtime = substream->runtime;
964
965         runtime->private_data = &vt1724_capture_spdif_reg;
966         ice->capture_con_substream = substream;
967         if (ice->force_rdma1) {
968                 runtime->hw = snd_vt1724_2ch_stereo;
969                 set_rate_constraints(ice, substream);
970         } else
971                 runtime->hw = snd_vt1724_spdif;
972         snd_pcm_set_sync(substream);
973         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
974         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
975                                    VT1724_BUFFER_ALIGN);
976         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
977                                    VT1724_BUFFER_ALIGN);
978         return 0;
979 }
980
981 static int snd_vt1724_capture_spdif_close(snd_pcm_substream_t * substream)
982 {
983         ice1712_t *ice = snd_pcm_substream_chip(substream);
984
985         if (PRO_RATE_RESET)
986                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
987         ice->capture_con_substream = NULL;
988
989         return 0;
990 }
991
992 static snd_pcm_ops_t snd_vt1724_playback_spdif_ops = {
993         .open =         snd_vt1724_playback_spdif_open,
994         .close =        snd_vt1724_playback_spdif_close,
995         .ioctl =        snd_pcm_lib_ioctl,
996         .hw_params =    snd_vt1724_pcm_hw_params,
997         .hw_free =      snd_vt1724_pcm_hw_free,
998         .prepare =      snd_vt1724_playback_spdif_prepare,
999         .trigger =      snd_vt1724_pcm_trigger,
1000         .pointer =      snd_vt1724_pcm_pointer,
1001 };
1002
1003 static snd_pcm_ops_t snd_vt1724_capture_spdif_ops = {
1004         .open =         snd_vt1724_capture_spdif_open,
1005         .close =        snd_vt1724_capture_spdif_close,
1006         .ioctl =        snd_pcm_lib_ioctl,
1007         .hw_params =    snd_vt1724_pcm_hw_params,
1008         .hw_free =      snd_vt1724_pcm_hw_free,
1009         .prepare =      snd_vt1724_pcm_prepare,
1010         .trigger =      snd_vt1724_pcm_trigger,
1011         .pointer =      snd_vt1724_pcm_pointer,
1012 };
1013
1014
1015 static int __devinit snd_vt1724_pcm_spdif(ice1712_t * ice, int device)
1016 {
1017         char *name;
1018         snd_pcm_t *pcm;
1019         int play, capt;
1020         int err;
1021
1022         if (ice->force_pdma4 ||
1023             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1024                 play = 1;
1025                 ice->has_spdif = 1;
1026         } else
1027                 play = 0;
1028         if (ice->force_rdma1 ||
1029             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1030                 capt = 1;
1031                 ice->has_spdif = 1;
1032         } else
1033                 capt = 0;
1034         if (! play && ! capt)
1035                 return 0; /* no spdif device */
1036
1037         if (ice->force_pdma4 || ice->force_rdma1)
1038                 name = "ICE1724 Secondary";
1039         else
1040                 name = "IEC1724 IEC958";
1041         err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1042         if (err < 0)
1043                 return err;
1044
1045         if (play)
1046                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1047                                 &snd_vt1724_playback_spdif_ops);
1048         if (capt)
1049                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1050                                 &snd_vt1724_capture_spdif_ops);
1051
1052         pcm->private_data = ice;
1053         pcm->info_flags = 0;
1054         strcpy(pcm->name, name);
1055
1056         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1057                                               snd_dma_pci_data(ice->pci), 64*1024, 64*1024);
1058
1059         ice->pcm = pcm;
1060
1061         return 0;
1062 }
1063
1064
1065 /*
1066  * independent surround PCMs
1067  */
1068
1069 static struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1070         {
1071                 .addr = VT1724_MT_PDMA1_ADDR,
1072                 .size = VT1724_MT_PDMA1_SIZE,
1073                 .count = VT1724_MT_PDMA1_COUNT,
1074                 .start = VT1724_PDMA1_START,
1075         },
1076         {
1077                 .addr = VT1724_MT_PDMA2_ADDR,
1078                 .size = VT1724_MT_PDMA2_SIZE,
1079                 .count = VT1724_MT_PDMA2_COUNT,
1080                 .start = VT1724_PDMA2_START,
1081         },
1082         {
1083                 .addr = VT1724_MT_PDMA3_ADDR,
1084                 .size = VT1724_MT_PDMA3_SIZE,
1085                 .count = VT1724_MT_PDMA3_COUNT,
1086                 .start = VT1724_PDMA3_START,
1087         },
1088 };
1089
1090 static int snd_vt1724_playback_indep_prepare(snd_pcm_substream_t * substream)
1091 {
1092         ice1712_t *ice = snd_pcm_substream_chip(substream);
1093         unsigned char val;
1094
1095         spin_lock_irq(&ice->reg_lock);
1096         val = 3 - substream->number;
1097         if (inb(ICEMT1724(ice, BURST)) < val)
1098                 outb(val, ICEMT1724(ice, BURST));
1099         spin_unlock_irq(&ice->reg_lock);
1100         return snd_vt1724_pcm_prepare(substream);
1101 }
1102
1103 static int snd_vt1724_playback_indep_open(snd_pcm_substream_t *substream)
1104 {
1105         ice1712_t *ice = snd_pcm_substream_chip(substream);
1106         snd_pcm_runtime_t *runtime = substream->runtime;
1107
1108         down(&ice->open_mutex);
1109         /* already used by PDMA0? */
1110         if (ice->pcm_reserved[substream->number]) {
1111                 up(&ice->open_mutex);
1112                 return -EBUSY; /* FIXME: should handle blocking mode properly */
1113         }
1114         up(&ice->open_mutex);
1115         runtime->private_data = &vt1724_playback_dma_regs[substream->number];
1116         ice->playback_con_substream_ds[substream->number] = substream;
1117         runtime->hw = snd_vt1724_2ch_stereo;
1118         snd_pcm_set_sync(substream);
1119         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1120         set_rate_constraints(ice, substream);
1121         return 0;
1122 }
1123
1124 static int snd_vt1724_playback_indep_close(snd_pcm_substream_t * substream)
1125 {
1126         ice1712_t *ice = snd_pcm_substream_chip(substream);
1127
1128         if (PRO_RATE_RESET)
1129                 snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 0);
1130         ice->playback_con_substream_ds[substream->number] = NULL;
1131         ice->pcm_reserved[substream->number] = NULL;
1132
1133         return 0;
1134 }
1135
1136 static snd_pcm_ops_t snd_vt1724_playback_indep_ops = {
1137         .open =         snd_vt1724_playback_indep_open,
1138         .close =        snd_vt1724_playback_indep_close,
1139         .ioctl =        snd_pcm_lib_ioctl,
1140         .hw_params =    snd_vt1724_pcm_hw_params,
1141         .hw_free =      snd_vt1724_pcm_hw_free,
1142         .prepare =      snd_vt1724_playback_indep_prepare,
1143         .trigger =      snd_vt1724_pcm_trigger,
1144         .pointer =      snd_vt1724_pcm_pointer,
1145 };
1146
1147
1148 static int __devinit snd_vt1724_pcm_indep(ice1712_t * ice, int device)
1149 {
1150         snd_pcm_t *pcm;
1151         int play;
1152         int err;
1153
1154         play = ice->num_total_dacs / 2 - 1;
1155         if (play <= 0)
1156                 return 0;
1157
1158         err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1159         if (err < 0)
1160                 return err;
1161
1162         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1163                         &snd_vt1724_playback_indep_ops);
1164
1165         pcm->private_data = ice;
1166         pcm->info_flags = 0;
1167         strcpy(pcm->name, "ICE1724 Surround PCM");
1168
1169         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1170                                               snd_dma_pci_data(ice->pci), 64*1024, 64*1024);
1171
1172         ice->pcm_ds = pcm;
1173
1174         return 0;
1175 }
1176
1177
1178 /*
1179  *  Mixer section
1180  */
1181
1182 static int __devinit snd_vt1724_ac97_mixer(ice1712_t * ice)
1183 {
1184         int err;
1185
1186         if (! (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1187                 ac97_bus_t *pbus;
1188                 ac97_template_t ac97;
1189                 static ac97_bus_ops_t ops = {
1190                         .write = snd_vt1724_ac97_write,
1191                         .read = snd_vt1724_ac97_read,
1192                 };
1193
1194                 /* cold reset */
1195                 outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1196                 mdelay(5); /* FIXME */
1197                 outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1198
1199                 if ((err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus)) < 0)
1200                         return err;
1201                 memset(&ac97, 0, sizeof(ac97));
1202                 ac97.private_data = ice;
1203                 if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0)
1204                         printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1205                 else
1206                         return 0;
1207         }
1208         /* I2S mixer only */
1209         strcat(ice->card->mixername, "ICE1724 - multitrack");
1210         return 0;
1211 }
1212
1213 /*
1214  *
1215  */
1216
1217 static inline unsigned int eeprom_triple(ice1712_t *ice, int idx)
1218 {
1219         return (unsigned int)ice->eeprom.data[idx] | \
1220                 ((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1221                 ((unsigned int)ice->eeprom.data[idx + 2] << 16);
1222 }
1223
1224 static void snd_vt1724_proc_read(snd_info_entry_t *entry, 
1225                                  snd_info_buffer_t * buffer)
1226 {
1227         ice1712_t *ice = entry->private_data;
1228         unsigned int idx;
1229
1230         snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1231         snd_iprintf(buffer, "EEPROM:\n");
1232
1233         snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1234         snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1235         snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1236         snd_iprintf(buffer, "  System Config    : 0x%x\n", ice->eeprom.data[ICE_EEP2_SYSCONF]);
1237         snd_iprintf(buffer, "  ACLink           : 0x%x\n", ice->eeprom.data[ICE_EEP2_ACLINK]);
1238         snd_iprintf(buffer, "  I2S              : 0x%x\n", ice->eeprom.data[ICE_EEP2_I2S]);
1239         snd_iprintf(buffer, "  S/PDIF           : 0x%x\n", ice->eeprom.data[ICE_EEP2_SPDIF]);
1240         snd_iprintf(buffer, "  GPIO direction   : 0x%x\n", ice->eeprom.gpiodir);
1241         snd_iprintf(buffer, "  GPIO mask        : 0x%x\n", ice->eeprom.gpiomask);
1242         snd_iprintf(buffer, "  GPIO state       : 0x%x\n", ice->eeprom.gpiostate);
1243         for (idx = 0x12; idx < ice->eeprom.size; idx++)
1244                 snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n", idx, ice->eeprom.data[idx]);
1245
1246         snd_iprintf(buffer, "\nRegisters:\n");
1247
1248         snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n", (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1249         for (idx = 0x0; idx < 0x20 ; idx++)
1250                 snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n", idx, inb(ice->port+idx));
1251         for (idx = 0x0; idx < 0x30 ; idx++)
1252                 snd_iprintf(buffer, "  MT%02x     : 0x%02x\n", idx, inb(ice->profi_port+idx));
1253 }
1254
1255 static void __devinit snd_vt1724_proc_init(ice1712_t * ice)
1256 {
1257         snd_info_entry_t *entry;
1258
1259         if (! snd_card_proc_new(ice->card, "ice1724", &entry))
1260                 snd_info_set_text_ops(entry, ice, 1024, snd_vt1724_proc_read);
1261 }
1262
1263 /*
1264  *
1265  */
1266
1267 static int snd_vt1724_eeprom_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1268 {
1269         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1270         uinfo->count = sizeof(ice1712_eeprom_t);
1271         return 0;
1272 }
1273
1274 static int snd_vt1724_eeprom_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1275 {
1276         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1277         
1278         memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1279         return 0;
1280 }
1281
1282 static snd_kcontrol_new_t snd_vt1724_eeprom __devinitdata = {
1283         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1284         .name = "ICE1724 EEPROM",
1285         .access = SNDRV_CTL_ELEM_ACCESS_READ,
1286         .info = snd_vt1724_eeprom_info,
1287         .get = snd_vt1724_eeprom_get
1288 };
1289
1290 /*
1291  */
1292 static int snd_vt1724_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1293 {
1294         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1295         uinfo->count = 1;
1296         return 0;
1297 }
1298
1299 static unsigned int encode_spdif_bits(snd_aes_iec958_t *diga)
1300 {
1301         unsigned int val;
1302
1303         val = diga->status[0] & 0x03; /* professional, non-audio */
1304         if (val & 0x01) {
1305                 /* professional */
1306                 if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
1307                         val |= 1U << 3;
1308                 switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1309                 case IEC958_AES0_PRO_FS_44100:
1310                         break;
1311                 case IEC958_AES0_PRO_FS_32000:
1312                         val |= 3U << 12;
1313                         break;
1314                 default:
1315                         val |= 2U << 12;
1316                         break;
1317                 }
1318         } else {
1319                 /* consumer */
1320                 val |= diga->status[1] & 0x04; /* copyright */
1321                 if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS)== IEC958_AES0_CON_EMPHASIS_5015)
1322                         val |= 1U << 3;
1323                 val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1324                 val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1325         }
1326         return val;
1327 }
1328
1329 static void decode_spdif_bits(snd_aes_iec958_t *diga, unsigned int val)
1330 {
1331         memset(diga->status, 0, sizeof(diga->status));
1332         diga->status[0] = val & 0x03; /* professional, non-audio */
1333         if (val & 0x01) {
1334                 /* professional */
1335                 if (val & (1U << 3))
1336                         diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1337                 switch ((val >> 12) & 0x7) {
1338                 case 0:
1339                         break;
1340                 case 2:
1341                         diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1342                         break;
1343                 default:
1344                         diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1345                         break;
1346                 }
1347         } else {
1348                 /* consumer */
1349                 diga->status[0] |= val & (1U << 2); /* copyright */
1350                 if (val & (1U << 3))
1351                         diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1352                 diga->status[1] |= (val >> 4) & 0x3f; /* category */
1353                 diga->status[3] |= (val >> 12) & 0x07; /* fs */
1354         }
1355 }
1356
1357 static int snd_vt1724_spdif_default_get(snd_kcontrol_t * kcontrol,
1358                                         snd_ctl_elem_value_t * ucontrol)
1359 {
1360         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1361         unsigned int val;
1362         val = inw(ICEMT1724(ice, SPDIF_CTRL));
1363         decode_spdif_bits(&ucontrol->value.iec958, val);
1364         return 0;
1365 }
1366
1367 static int snd_vt1724_spdif_default_put(snd_kcontrol_t * kcontrol,
1368                                          snd_ctl_elem_value_t * ucontrol)
1369 {
1370         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1371         unsigned int val, old;
1372
1373         val = encode_spdif_bits(&ucontrol->value.iec958);
1374         spin_lock_irq(&ice->reg_lock);
1375         old = inw(ICEMT1724(ice, SPDIF_CTRL));
1376         if (val != old)
1377                 update_spdif_bits(ice, val);
1378         spin_unlock_irq(&ice->reg_lock);
1379         return (val != old);
1380 }
1381
1382 static snd_kcontrol_new_t snd_vt1724_spdif_default __devinitdata =
1383 {
1384         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1385         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1386         .info =         snd_vt1724_spdif_info,
1387         .get =          snd_vt1724_spdif_default_get,
1388         .put =          snd_vt1724_spdif_default_put
1389 };
1390
1391 static int snd_vt1724_spdif_maskc_get(snd_kcontrol_t * kcontrol,
1392                                        snd_ctl_elem_value_t * ucontrol)
1393 {
1394         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1395                                                      IEC958_AES0_PROFESSIONAL |
1396                                                      IEC958_AES0_CON_NOT_COPYRIGHT |
1397                                                      IEC958_AES0_CON_EMPHASIS;
1398         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1399                                                      IEC958_AES1_CON_CATEGORY;
1400         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1401         return 0;
1402 }
1403
1404 static int snd_vt1724_spdif_maskp_get(snd_kcontrol_t * kcontrol,
1405                                        snd_ctl_elem_value_t * ucontrol)
1406 {
1407         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1408                                                      IEC958_AES0_PROFESSIONAL |
1409                                                      IEC958_AES0_PRO_FS |
1410                                                      IEC958_AES0_PRO_EMPHASIS;
1411         return 0;
1412 }
1413
1414 static snd_kcontrol_new_t snd_vt1724_spdif_maskc __devinitdata =
1415 {
1416         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1417         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1418         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1419         .info =         snd_vt1724_spdif_info,
1420         .get =          snd_vt1724_spdif_maskc_get,
1421 };
1422
1423 static snd_kcontrol_new_t snd_vt1724_spdif_maskp __devinitdata =
1424 {
1425         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1426         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1427         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1428         .info =         snd_vt1724_spdif_info,
1429         .get =          snd_vt1724_spdif_maskp_get,
1430 };
1431
1432 static int snd_vt1724_spdif_sw_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1433 {
1434         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1435         uinfo->count = 1;
1436         uinfo->value.integer.min = 0;
1437         uinfo->value.integer.max = 1;
1438         return 0;
1439 }
1440
1441 static int snd_vt1724_spdif_sw_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1442 {
1443         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1444         ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) & VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1445         return 0;
1446 }
1447
1448 static int snd_vt1724_spdif_sw_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1449 {
1450         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1451         unsigned char old, val;
1452
1453         spin_lock_irq(&ice->reg_lock);
1454         old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1455         val &= ~VT1724_CFG_SPDIF_OUT_EN;
1456         if (ucontrol->value.integer.value[0])
1457                 val |= VT1724_CFG_SPDIF_OUT_EN;
1458         if (old != val)
1459                 outb(val, ICEREG1724(ice, SPDIF_CFG));
1460         spin_unlock_irq(&ice->reg_lock);
1461         return old != val;
1462 }
1463
1464 static snd_kcontrol_new_t snd_vt1724_spdif_switch __devinitdata =
1465 {
1466         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1467         /* FIXME: the following conflict with IEC958 Playback Route */
1468         // .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1469         .name =         "IEC958 Output Switch",
1470         .info =         snd_vt1724_spdif_sw_info,
1471         .get =          snd_vt1724_spdif_sw_get,
1472         .put =          snd_vt1724_spdif_sw_put
1473 };
1474
1475
1476 #if 0 /* NOT USED YET */
1477 /*
1478  * GPIO access from extern
1479  */
1480
1481 int snd_vt1724_gpio_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1482 {
1483         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1484         uinfo->count = 1;
1485         uinfo->value.integer.min = 0;
1486         uinfo->value.integer.max = 1;
1487         return 0;
1488 }
1489
1490 int snd_vt1724_gpio_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1491 {
1492         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1493         int shift = kcontrol->private_value & 0xff;
1494         int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1495         
1496         snd_ice1712_save_gpio_status(ice);
1497         ucontrol->value.integer.value[0] = (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1498         snd_ice1712_restore_gpio_status(ice);
1499         return 0;
1500 }
1501
1502 int snd_ice1712_gpio_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1503 {
1504         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1505         int shift = kcontrol->private_value & 0xff;
1506         int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1507         unsigned int val, nval;
1508
1509         if (kcontrol->private_value & (1 << 31))
1510                 return -EPERM;
1511         nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1512         snd_ice1712_save_gpio_status(ice);
1513         val = snd_ice1712_gpio_read(ice);
1514         nval |= val & ~(1 << shift);
1515         if (val != nval)
1516                 snd_ice1712_gpio_write(ice, nval);
1517         snd_ice1712_restore_gpio_status(ice);
1518         return val != nval;
1519 }
1520 #endif /* NOT USED YET */
1521
1522 /*
1523  *  rate
1524  */
1525 static int snd_vt1724_pro_internal_clock_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1526 {
1527         static char *texts_1724[] = {
1528                 "8000",         /* 0: 6 */
1529                 "9600",         /* 1: 3 */
1530                 "11025",        /* 2: 10 */
1531                 "12000",        /* 3: 2 */
1532                 "16000",        /* 4: 5 */
1533                 "22050",        /* 5: 9 */
1534                 "24000",        /* 6: 1 */
1535                 "32000",        /* 7: 4 */
1536                 "44100",        /* 8: 8 */
1537                 "48000",        /* 9: 0 */
1538                 "64000",        /* 10: 15 */
1539                 "88200",        /* 11: 11 */
1540                 "96000",        /* 12: 7 */
1541                 "176400",       /* 13: 12 */
1542                 "192000",       /* 14: 14 */
1543                 "IEC958 Input", /* 15: -- */
1544         };
1545         static char *texts_1720[] = {
1546                 "8000",         /* 0: 6 */
1547                 "9600",         /* 1: 3 */
1548                 "11025",        /* 2: 10 */
1549                 "12000",        /* 3: 2 */
1550                 "16000",        /* 4: 5 */
1551                 "22050",        /* 5: 9 */
1552                 "24000",        /* 6: 1 */
1553                 "32000",        /* 7: 4 */
1554                 "44100",        /* 8: 8 */
1555                 "48000",        /* 9: 0 */
1556                 "64000",        /* 10: 15 */
1557                 "88200",        /* 11: 11 */
1558                 "96000",        /* 12: 7 */
1559                 "IEC958 Input", /* 13: -- */
1560         };
1561         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1562
1563         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1564         uinfo->count = 1;
1565         uinfo->value.enumerated.items = ice->vt1720 ? 14 : 16;
1566         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1567                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1568         strcpy(uinfo->value.enumerated.name,
1569                ice->vt1720 ? texts_1720[uinfo->value.enumerated.item] :
1570                texts_1724[uinfo->value.enumerated.item]);
1571         return 0;
1572 }
1573
1574 static int snd_vt1724_pro_internal_clock_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1575 {
1576         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1577         static unsigned char xlate[16] = {
1578                 9, 6, 3, 1, 7, 4, 0, 12, 8, 5, 2, 11, 13, 255, 14, 10
1579         };
1580         unsigned char val;
1581         
1582         spin_lock_irq(&ice->reg_lock);
1583         if (is_spdif_master(ice)) {
1584                 ucontrol->value.enumerated.item[0] = ice->vt1720 ? 13 : 15;
1585         } else {
1586                 val = xlate[inb(ICEMT1724(ice, RATE)) & 15];
1587                 if (val == 255) {
1588                         snd_BUG();
1589                         val = 0;
1590                 }
1591                 ucontrol->value.enumerated.item[0] = val;
1592         }
1593         spin_unlock_irq(&ice->reg_lock);
1594         return 0;
1595 }
1596
1597 static int snd_vt1724_pro_internal_clock_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1598 {
1599         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1600         unsigned char oval;
1601         int rate;
1602         int change = 0;
1603         int spdif = ice->vt1720 ? 13 : 15;
1604
1605         spin_lock_irq(&ice->reg_lock);
1606         oval = inb(ICEMT1724(ice, RATE));
1607         if (ucontrol->value.enumerated.item[0] == spdif) {
1608                 outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1609         } else {
1610                 rate = rates[ucontrol->value.integer.value[0] % 15];
1611                 if (rate <= get_max_rate(ice)) {
1612                         PRO_RATE_DEFAULT = rate;
1613                         spin_unlock_irq(&ice->reg_lock);
1614                         snd_vt1724_set_pro_rate(ice, PRO_RATE_DEFAULT, 1);
1615                         spin_lock_irq(&ice->reg_lock);
1616                 }
1617         }
1618         change = inb(ICEMT1724(ice, RATE)) != oval;
1619         spin_unlock_irq(&ice->reg_lock);
1620
1621         if ((oval & VT1724_SPDIF_MASTER) != (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER)) {
1622                 /* notify akm chips as well */
1623                 if (is_spdif_master(ice)) {
1624                         unsigned int i;
1625                         for (i = 0; i < ice->akm_codecs; i++) {
1626                                 if (ice->akm[i].ops.set_rate_val)
1627                                         ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1628                         }
1629                 }
1630         }
1631         return change;
1632 }
1633
1634 static snd_kcontrol_new_t snd_vt1724_pro_internal_clock __devinitdata = {
1635         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1636         .name = "Multi Track Internal Clock",
1637         .info = snd_vt1724_pro_internal_clock_info,
1638         .get = snd_vt1724_pro_internal_clock_get,
1639         .put = snd_vt1724_pro_internal_clock_put
1640 };
1641
1642 static int snd_vt1724_pro_rate_locking_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1643 {
1644         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1645         uinfo->count = 1;
1646         uinfo->value.integer.min = 0;
1647         uinfo->value.integer.max = 1;
1648         return 0;
1649 }
1650
1651 static int snd_vt1724_pro_rate_locking_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1652 {
1653         ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1654         return 0;
1655 }
1656
1657 static int snd_vt1724_pro_rate_locking_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1658 {
1659         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1660         int change = 0, nval;
1661
1662         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1663         spin_lock_irq(&ice->reg_lock);
1664         change = PRO_RATE_LOCKED != nval;
1665         PRO_RATE_LOCKED = nval;
1666         spin_unlock_irq(&ice->reg_lock);
1667         return change;
1668 }
1669
1670 static snd_kcontrol_new_t snd_vt1724_pro_rate_locking __devinitdata = {
1671         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1672         .name = "Multi Track Rate Locking",
1673         .info = snd_vt1724_pro_rate_locking_info,
1674         .get = snd_vt1724_pro_rate_locking_get,
1675         .put = snd_vt1724_pro_rate_locking_put
1676 };
1677
1678 static int snd_vt1724_pro_rate_reset_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1679 {
1680         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1681         uinfo->count = 1;
1682         uinfo->value.integer.min = 0;
1683         uinfo->value.integer.max = 1;
1684         return 0;
1685 }
1686
1687 static int snd_vt1724_pro_rate_reset_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1688 {
1689         ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1690         return 0;
1691 }
1692
1693 static int snd_vt1724_pro_rate_reset_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1694 {
1695         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1696         int change = 0, nval;
1697
1698         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1699         spin_lock_irq(&ice->reg_lock);
1700         change = PRO_RATE_RESET != nval;
1701         PRO_RATE_RESET = nval;
1702         spin_unlock_irq(&ice->reg_lock);
1703         return change;
1704 }
1705
1706 static snd_kcontrol_new_t snd_vt1724_pro_rate_reset __devinitdata = {
1707         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1708         .name = "Multi Track Rate Reset",
1709         .info = snd_vt1724_pro_rate_reset_info,
1710         .get = snd_vt1724_pro_rate_reset_get,
1711         .put = snd_vt1724_pro_rate_reset_put
1712 };
1713
1714
1715 /*
1716  * routing
1717  */
1718 static int snd_vt1724_pro_route_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1719 {
1720         static char *texts[] = {
1721                 "PCM Out", /* 0 */
1722                 "H/W In 0", "H/W In 1", /* 1-2 */
1723                 "IEC958 In L", "IEC958 In R", /* 3-4 */
1724         };
1725         
1726         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1727         uinfo->count = 1;
1728         uinfo->value.enumerated.items = 5;
1729         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1730                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1731         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1732         return 0;
1733 }
1734
1735 static inline int analog_route_shift(int idx)
1736 {
1737         return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1738 }
1739
1740 static inline int digital_route_shift(int idx)
1741 {
1742         return idx * 3;
1743 }
1744
1745 static int get_route_val(ice1712_t *ice, int shift)
1746 {
1747         unsigned long val;
1748         unsigned char eitem;
1749         static unsigned char xlate[8] = {
1750                 0, 255, 1, 2, 255, 255, 3, 4,
1751         };
1752
1753         val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1754         val >>= shift;
1755         val &= 7;       //we now have 3 bits per output
1756         eitem = xlate[val];
1757         if (eitem == 255) {
1758                 snd_BUG();
1759                 return 0;
1760         }
1761         return eitem;
1762 }
1763
1764 static int put_route_val(ice1712_t *ice, unsigned int val, int shift)
1765 {
1766         unsigned int old_val, nval;
1767         int change;
1768         static unsigned char xroute[8] = {
1769                 0, /* PCM */
1770                 2, /* PSDIN0 Left */
1771                 3, /* PSDIN0 Right */
1772                 6, /* SPDIN Left */
1773                 7, /* SPDIN Right */
1774         };
1775
1776         nval = xroute[val % 5];
1777         val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1778         val &= ~(0x07 << shift);
1779         val |= nval << shift;
1780         change = val != old_val;
1781         if (change)
1782                 outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1783         return change;
1784 }
1785
1786 static int snd_vt1724_pro_route_analog_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1787 {
1788         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1789         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1790         ucontrol->value.enumerated.item[0] = get_route_val(ice, analog_route_shift(idx));
1791         return 0;
1792 }
1793
1794 static int snd_vt1724_pro_route_analog_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1795 {
1796         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1797         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1798         return put_route_val(ice, ucontrol->value.enumerated.item[0],
1799                              analog_route_shift(idx));
1800 }
1801
1802 static int snd_vt1724_pro_route_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1803 {
1804         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1805         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1806         ucontrol->value.enumerated.item[0] = get_route_val(ice, digital_route_shift(idx));
1807         return 0;
1808 }
1809
1810 static int snd_vt1724_pro_route_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
1811 {
1812         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1813         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1814         return put_route_val(ice, ucontrol->value.enumerated.item[0],
1815                              digital_route_shift(idx));
1816 }
1817
1818 static snd_kcontrol_new_t snd_vt1724_mixer_pro_analog_route __devinitdata = {
1819         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1820         .name = "H/W Playback Route",
1821         .info = snd_vt1724_pro_route_info,
1822         .get = snd_vt1724_pro_route_analog_get,
1823         .put = snd_vt1724_pro_route_analog_put,
1824 };
1825
1826 static snd_kcontrol_new_t snd_vt1724_mixer_pro_spdif_route __devinitdata = {
1827         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1828         .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Route",
1829         .info = snd_vt1724_pro_route_info,
1830         .get = snd_vt1724_pro_route_spdif_get,
1831         .put = snd_vt1724_pro_route_spdif_put,
1832         .count = 2,
1833 };
1834
1835
1836 static int snd_vt1724_pro_peak_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1837 {
1838         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1839         uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
1840         uinfo->value.integer.min = 0;
1841         uinfo->value.integer.max = 255;
1842         return 0;
1843 }
1844
1845 static int snd_vt1724_pro_peak_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1846 {
1847         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
1848         int idx;
1849         
1850         spin_lock_irq(&ice->reg_lock);
1851         for (idx = 0; idx < 22; idx++) {
1852                 outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
1853                 ucontrol->value.integer.value[idx] = inb(ICEMT1724(ice, MONITOR_PEAKDATA));
1854         }
1855         spin_unlock_irq(&ice->reg_lock);
1856         return 0;
1857 }
1858
1859 static snd_kcontrol_new_t snd_vt1724_mixer_pro_peak __devinitdata = {
1860         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1861         .name = "Multi Track Peak",
1862         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1863         .info = snd_vt1724_pro_peak_info,
1864         .get = snd_vt1724_pro_peak_get
1865 };
1866
1867 /*
1868  *
1869  */
1870
1871 static struct snd_ice1712_card_info no_matched __devinitdata;
1872
1873 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
1874         snd_vt1724_revo_cards,
1875         snd_vt1724_amp_cards, 
1876         snd_vt1724_aureon_cards,
1877         snd_vt1720_mobo_cards,
1878         snd_vt1720_pontis_cards,
1879         snd_vt1724_prodigy192_cards,
1880         snd_vt1724_juli_cards,
1881         snd_vt1724_phase_cards,
1882         NULL,
1883 };
1884
1885
1886 /*
1887  */
1888
1889 static void wait_i2c_busy(ice1712_t *ice)
1890 {
1891         int t = 0x10000;
1892         while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
1893                 ;
1894         if (t == -1)
1895                 printk(KERN_ERR "ice1724: i2c busy timeout\n");
1896 }
1897
1898 unsigned char snd_vt1724_read_i2c(ice1712_t *ice, unsigned char dev, unsigned char addr)
1899 {
1900         unsigned char val;
1901
1902         down(&ice->i2c_mutex);
1903         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1904         outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1905         wait_i2c_busy(ice);
1906         val = inb(ICEREG1724(ice, I2C_DATA));
1907         up(&ice->i2c_mutex);
1908         //printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
1909         return val;
1910 }
1911
1912 void snd_vt1724_write_i2c(ice1712_t *ice, unsigned char dev, unsigned char addr, unsigned char data)
1913 {
1914         down(&ice->i2c_mutex);
1915         wait_i2c_busy(ice);
1916         //printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
1917         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
1918         outb(data, ICEREG1724(ice, I2C_DATA));
1919         outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
1920         wait_i2c_busy(ice);
1921         up(&ice->i2c_mutex);
1922 }
1923
1924 static int __devinit snd_vt1724_read_eeprom(ice1712_t *ice, const char *modelname)
1925 {
1926         const int dev = 0xa0;           /* EEPROM device address */
1927         unsigned int i, size;
1928         struct snd_ice1712_card_info **tbl, *c;
1929
1930         if (! modelname || ! *modelname) {
1931                 ice->eeprom.subvendor = 0;
1932                 if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
1933                         ice->eeprom.subvendor =
1934                                 (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
1935                                 (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) | 
1936                                 (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) | 
1937                                 (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
1938                 if (ice->eeprom.subvendor == 0 || ice->eeprom.subvendor == (unsigned int)-1) {
1939                         /* invalid subvendor from EEPROM, try the PCI subststem ID instead */
1940                         u16 vendor, device;
1941                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID, &vendor);
1942                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
1943                         ice->eeprom.subvendor = ((unsigned int)swab16(vendor) << 16) | swab16(device);
1944                         if (ice->eeprom.subvendor == 0 || ice->eeprom.subvendor == (unsigned int)-1) {
1945                                 printk(KERN_ERR "ice1724: No valid ID is found\n");
1946                                 return -ENXIO;
1947                         }
1948                 }
1949         }
1950         for (tbl = card_tables; *tbl; tbl++) {
1951                 for (c = *tbl; c->subvendor; c++) {
1952                         if (modelname && c->model && ! strcmp(modelname, c->model)) {
1953                                 printk(KERN_INFO "ice1724: Using board model %s\n", c->name);
1954                                 ice->eeprom.subvendor = c->subvendor;
1955                         } else if (c->subvendor != ice->eeprom.subvendor)
1956                                 continue;
1957                         if (! c->eeprom_size || ! c->eeprom_data)
1958                                 goto found;
1959                         /* if the EEPROM is given by the driver, use it */
1960                         snd_printdd("using the defined eeprom..\n");
1961                         ice->eeprom.version = 2;
1962                         ice->eeprom.size = c->eeprom_size + 6;
1963                         memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
1964                         goto read_skipped;
1965                 }
1966         }
1967         printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n", ice->eeprom.subvendor);
1968
1969  found:
1970         ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
1971         if (ice->eeprom.size < 6)
1972                 ice->eeprom.size = 32;
1973         else if (ice->eeprom.size > 32) {
1974                 printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n", ice->eeprom.size);
1975                 return -EIO;
1976         }
1977         ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
1978         if (ice->eeprom.version != 2)
1979                 printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n", ice->eeprom.version);
1980         size = ice->eeprom.size - 6;
1981         for (i = 0; i < size; i++)
1982                 ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
1983
1984  read_skipped:
1985         ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
1986         ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
1987         ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
1988
1989         return 0;
1990 }
1991
1992
1993
1994 static int __devinit snd_vt1724_chip_init(ice1712_t *ice)
1995 {
1996         outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
1997         udelay(200);
1998         outb(0, ICEREG1724(ice, CONTROL));
1999         udelay(200);
2000         outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2001         outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2002         outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2003         outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2004
2005         ice->gpio.write_mask = ice->eeprom.gpiomask;
2006         ice->gpio.direction = ice->eeprom.gpiodir;
2007         snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2008         snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2009         snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2010
2011         outb(0, ICEREG1724(ice, POWERDOWN));
2012
2013         return 0;
2014 }
2015
2016 static int __devinit snd_vt1724_spdif_build_controls(ice1712_t *ice)
2017 {
2018         int err;
2019         snd_kcontrol_t *kctl;
2020
2021         snd_assert(ice->pcm != NULL, return -EIO);
2022
2023         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2024         if (err < 0)
2025                 return err;
2026
2027         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2028         if (err < 0)
2029                 return err;
2030
2031         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2032         if (err < 0)
2033                 return err;
2034         kctl->id.device = ice->pcm->device;
2035         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2036         if (err < 0)
2037                 return err;
2038         kctl->id.device = ice->pcm->device;
2039         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2040         if (err < 0)
2041                 return err;
2042         kctl->id.device = ice->pcm->device;
2043 #if 0 /* use default only */
2044         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2045         if (err < 0)
2046                 return err;
2047         kctl->id.device = ice->pcm->device;
2048         ice->spdif.stream_ctl = kctl;
2049 #endif
2050         return 0;
2051 }
2052
2053
2054 static int __devinit snd_vt1724_build_controls(ice1712_t *ice)
2055 {
2056         int err;
2057
2058         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2059         if (err < 0)
2060                 return err;
2061         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2062         if (err < 0)
2063                 return err;
2064
2065         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2066         if (err < 0)
2067                 return err;
2068         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2069         if (err < 0)
2070                 return err;
2071
2072         if (ice->num_total_dacs > 0) {
2073                 snd_kcontrol_new_t tmp = snd_vt1724_mixer_pro_analog_route;
2074                 tmp.count = ice->num_total_dacs;
2075                 if (ice->vt1720 && tmp.count > 2)
2076                         tmp.count = 2;
2077                 err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2078                 if (err < 0)
2079                         return err;
2080         }
2081
2082         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2083         if (err < 0)
2084                 return err;
2085
2086         return 0;
2087 }
2088
2089 static int snd_vt1724_free(ice1712_t *ice)
2090 {
2091         if (! ice->port)
2092                 goto __hw_end;
2093         /* mask all interrupts */
2094         outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2095         outb(0xff, ICEREG1724(ice, IRQMASK));
2096         /* --- */
2097       __hw_end:
2098         if (ice->irq >= 0) {
2099                 synchronize_irq(ice->irq);
2100                 free_irq(ice->irq, (void *) ice);
2101         }
2102         pci_release_regions(ice->pci);
2103         snd_ice1712_akm4xxx_free(ice);
2104         pci_disable_device(ice->pci);
2105         kfree(ice);
2106         return 0;
2107 }
2108
2109 static int snd_vt1724_dev_free(snd_device_t *device)
2110 {
2111         ice1712_t *ice = device->device_data;
2112         return snd_vt1724_free(ice);
2113 }
2114
2115 static int __devinit snd_vt1724_create(snd_card_t * card,
2116                                        struct pci_dev *pci,
2117                                        const char *modelname,
2118                                        ice1712_t ** r_ice1712)
2119 {
2120         ice1712_t *ice;
2121         int err;
2122         unsigned char mask;
2123         static snd_device_ops_t ops = {
2124                 .dev_free =     snd_vt1724_dev_free,
2125         };
2126
2127         *r_ice1712 = NULL;
2128
2129         /* enable PCI device */
2130         if ((err = pci_enable_device(pci)) < 0)
2131                 return err;
2132
2133         ice = kcalloc(1, sizeof(*ice), GFP_KERNEL);
2134         if (ice == NULL) {
2135                 pci_disable_device(pci);
2136                 return -ENOMEM;
2137         }
2138         ice->vt1724 = 1;
2139         spin_lock_init(&ice->reg_lock);
2140         init_MUTEX(&ice->gpio_mutex);
2141         init_MUTEX(&ice->open_mutex);
2142         init_MUTEX(&ice->i2c_mutex);
2143         ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2144         ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2145         ice->gpio.set_data = snd_vt1724_set_gpio_data;
2146         ice->gpio.get_data = snd_vt1724_get_gpio_data;
2147         ice->card = card;
2148         ice->pci = pci;
2149         ice->irq = -1;
2150         pci_set_master(pci);
2151         snd_vt1724_proc_init(ice);
2152         synchronize_irq(pci->irq);
2153
2154         if ((err = pci_request_regions(pci, "ICE1724")) < 0) {
2155                 kfree(ice);
2156                 pci_disable_device(pci);
2157                 return err;
2158         }
2159         ice->port = pci_resource_start(pci, 0);
2160         ice->profi_port = pci_resource_start(pci, 1);
2161
2162         if (request_irq(pci->irq, snd_vt1724_interrupt, SA_INTERRUPT|SA_SHIRQ, "ICE1724", (void *) ice)) {
2163                 snd_printk("unable to grab IRQ %d\n", pci->irq);
2164                 snd_vt1724_free(ice);
2165                 return -EIO;
2166         }
2167
2168         ice->irq = pci->irq;
2169
2170         if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2171                 snd_vt1724_free(ice);
2172                 return -EIO;
2173         }
2174         if (snd_vt1724_chip_init(ice) < 0) {
2175                 snd_vt1724_free(ice);
2176                 return -EIO;
2177         }
2178
2179         /* unmask used interrupts */
2180         if (! (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401))
2181                 mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2182         else
2183                 mask = 0;
2184         outb(mask, ICEREG1724(ice, IRQMASK));
2185         /* don't handle FIFO overrun/underruns (just yet), since they cause machine lockups */
2186         outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2187
2188         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops)) < 0) {
2189                 snd_vt1724_free(ice);
2190                 return err;
2191         }
2192
2193         snd_card_set_dev(card, &pci->dev);
2194
2195         *r_ice1712 = ice;
2196         return 0;
2197 }
2198
2199
2200 /*
2201  *
2202  * Registration
2203  *
2204  */
2205
2206 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2207                                       const struct pci_device_id *pci_id)
2208 {
2209         static int dev;
2210         snd_card_t *card;
2211         ice1712_t *ice;
2212         int pcm_dev = 0, err;
2213         struct snd_ice1712_card_info **tbl, *c;
2214
2215         if (dev >= SNDRV_CARDS)
2216                 return -ENODEV;
2217         if (!enable[dev]) {
2218                 dev++;
2219                 return -ENOENT;
2220         }
2221
2222         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2223         if (card == NULL)
2224                 return -ENOMEM;
2225
2226         strcpy(card->driver, "ICE1724");
2227         strcpy(card->shortname, "ICEnsemble ICE1724");
2228         
2229         if ((err = snd_vt1724_create(card, pci, model[dev], &ice)) < 0) {
2230                 snd_card_free(card);
2231                 return err;
2232         }
2233
2234         for (tbl = card_tables; *tbl; tbl++) {
2235                 for (c = *tbl; c->subvendor; c++) {
2236                         if (c->subvendor == ice->eeprom.subvendor) {
2237                                 strcpy(card->shortname, c->name);
2238                                 if (c->driver) /* specific driver? */
2239                                         strcpy(card->driver, c->driver);
2240                                 if (c->chip_init) {
2241                                         if ((err = c->chip_init(ice)) < 0) {
2242                                                 snd_card_free(card);
2243                                                 return err;
2244                                         }
2245                                 }
2246                                 goto __found;
2247                         }
2248                 }
2249         }
2250         c = &no_matched;
2251  __found:
2252
2253         if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
2254                 snd_card_free(card);
2255                 return err;
2256         }
2257         
2258         if ((err = snd_vt1724_pcm_spdif(ice, pcm_dev++)) < 0) {
2259                 snd_card_free(card);
2260                 return err;
2261         }
2262         
2263         if ((err = snd_vt1724_pcm_indep(ice, pcm_dev++)) < 0) {
2264                 snd_card_free(card);
2265                 return err;
2266         }
2267
2268         if ((err = snd_vt1724_ac97_mixer(ice)) < 0) {
2269                 snd_card_free(card);
2270                 return err;
2271         }
2272
2273         if ((err = snd_vt1724_build_controls(ice)) < 0) {
2274                 snd_card_free(card);
2275                 return err;
2276         }
2277
2278         if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2279                 if ((err = snd_vt1724_spdif_build_controls(ice)) < 0) {
2280                         snd_card_free(card);
2281                         return err;
2282                 }
2283         }
2284
2285         if (c->build_controls) {
2286                 if ((err = c->build_controls(ice)) < 0) {
2287                         snd_card_free(card);
2288                         return err;
2289                 }
2290         }
2291
2292         if (! c->no_mpu401) {
2293                 if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2294                         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ICE1712,
2295                                                        ICEREG1724(ice, MPU_CTRL), 1,
2296                                                        ice->irq, 0,
2297                                                        &ice->rmidi[0])) < 0) {
2298                                 snd_card_free(card);
2299                                 return err;
2300                         }
2301                 }
2302         }
2303
2304         sprintf(card->longname, "%s at 0x%lx, irq %i",
2305                 card->shortname, ice->port, ice->irq);
2306
2307         if ((err = snd_card_register(card)) < 0) {
2308                 snd_card_free(card);
2309                 return err;
2310         }
2311         pci_set_drvdata(pci, card);
2312         dev++;
2313         return 0;
2314 }
2315
2316 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2317 {
2318         snd_card_free(pci_get_drvdata(pci));
2319         pci_set_drvdata(pci, NULL);
2320 }
2321
2322 static struct pci_driver driver = {
2323         .name = "ICE1724",
2324         .id_table = snd_vt1724_ids,
2325         .probe = snd_vt1724_probe,
2326         .remove = __devexit_p(snd_vt1724_remove),
2327 };
2328
2329 static int __init alsa_card_ice1724_init(void)
2330 {
2331         return pci_register_driver(&driver);
2332 }
2333
2334 static void __exit alsa_card_ice1724_exit(void)
2335 {
2336         pci_unregister_driver(&driver);
2337 }
2338
2339 module_init(alsa_card_ice1724_init)
2340 module_exit(alsa_card_ice1724_exit)