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TOMOYO Linux Cross Reference
Linux/sound/pci/ice1712/ice1724.c

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  1 /*
  2  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
  3  *                   VIA VT1720 (Envy24PT)
  4  *
  5  *      Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
  6  *                    2002 James Stafford <jstafford@ampltd.com>
  7  *                    2003 Takashi Iwai <tiwai@suse.de>
  8  *
  9  *   This program is free software; you can redistribute it and/or modify
 10  *   it under the terms of the GNU General Public License as published by
 11  *   the Free Software Foundation; either version 2 of the License, or
 12  *   (at your option) any later version.
 13  *
 14  *   This program is distributed in the hope that it will be useful,
 15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17  *   GNU General Public License for more details.
 18  *
 19  *   You should have received a copy of the GNU General Public License
 20  *   along with this program; if not, write to the Free Software
 21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 22  *
 23  */
 24 
 25 #include <linux/io.h>
 26 #include <linux/delay.h>
 27 #include <linux/interrupt.h>
 28 #include <linux/init.h>
 29 #include <linux/pci.h>
 30 #include <linux/slab.h>
 31 #include <linux/module.h>
 32 #include <linux/mutex.h>
 33 #include <sound/core.h>
 34 #include <sound/info.h>
 35 #include <sound/rawmidi.h>
 36 #include <sound/initval.h>
 37 
 38 #include <sound/asoundef.h>
 39 
 40 #include "ice1712.h"
 41 #include "envy24ht.h"
 42 
 43 /* lowlevel routines */
 44 #include "amp.h"
 45 #include "revo.h"
 46 #include "aureon.h"
 47 #include "vt1720_mobo.h"
 48 #include "pontis.h"
 49 #include "prodigy192.h"
 50 #include "prodigy_hifi.h"
 51 #include "juli.h"
 52 #include "maya44.h"
 53 #include "phase.h"
 54 #include "wtm.h"
 55 #include "se.h"
 56 #include "quartet.h"
 57 
 58 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 59 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
 60 MODULE_LICENSE("GPL");
 61 MODULE_SUPPORTED_DEVICE("{"
 62                REVO_DEVICE_DESC
 63                AMP_AUDIO2000_DEVICE_DESC
 64                AUREON_DEVICE_DESC
 65                VT1720_MOBO_DEVICE_DESC
 66                PONTIS_DEVICE_DESC
 67                PRODIGY192_DEVICE_DESC
 68                PRODIGY_HIFI_DEVICE_DESC
 69                JULI_DEVICE_DESC
 70                MAYA44_DEVICE_DESC
 71                PHASE_DEVICE_DESC
 72                WTM_DEVICE_DESC
 73                SE_DEVICE_DESC
 74                QTET_DEVICE_DESC
 75                 "{VIA,VT1720},"
 76                 "{VIA,VT1724},"
 77                 "{ICEnsemble,Generic ICE1724},"
 78                 "{ICEnsemble,Generic Envy24HT}"
 79                 "{ICEnsemble,Generic Envy24PT}}");
 80 
 81 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
 82 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
 83 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;              /* Enable this card */
 84 static char *model[SNDRV_CARDS];
 85 
 86 module_param_array(index, int, NULL, 0444);
 87 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
 88 module_param_array(id, charp, NULL, 0444);
 89 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
 90 module_param_array(enable, bool, NULL, 0444);
 91 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
 92 module_param_array(model, charp, NULL, 0444);
 93 MODULE_PARM_DESC(model, "Use the given board model.");
 94 
 95 
 96 /* Both VT1720 and VT1724 have the same PCI IDs */
 97 static DEFINE_PCI_DEVICE_TABLE(snd_vt1724_ids) = {
 98         { PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 },
 99         { 0, }
100 };
101 
102 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
103 
104 
105 static int PRO_RATE_LOCKED;
106 static int PRO_RATE_RESET = 1;
107 static unsigned int PRO_RATE_DEFAULT = 44100;
108 
109 static char *ext_clock_names[1] = { "IEC958 In" };
110 
111 /*
112  *  Basic I/O
113  */
114 
115 /*
116  *  default rates, default clock routines
117  */
118 
119 /* check whether the clock mode is spdif-in */
120 static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
121 {
122         return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
123 }
124 
125 /*
126  * locking rate makes sense only for internal clock mode
127  */
128 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
129 {
130         return (!ice->is_spdif_master(ice)) && PRO_RATE_LOCKED;
131 }
132 
133 /*
134  * ac97 section
135  */
136 
137 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
138 {
139         unsigned char old_cmd;
140         int tm;
141         for (tm = 0; tm < 0x10000; tm++) {
142                 old_cmd = inb(ICEMT1724(ice, AC97_CMD));
143                 if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
144                         continue;
145                 if (!(old_cmd & VT1724_AC97_READY))
146                         continue;
147                 return old_cmd;
148         }
149         snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
150         return old_cmd;
151 }
152 
153 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
154 {
155         int tm;
156         for (tm = 0; tm < 0x10000; tm++)
157                 if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
158                         return 0;
159         snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
160         return -EIO;
161 }
162 
163 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
164                                   unsigned short reg,
165                                   unsigned short val)
166 {
167         struct snd_ice1712 *ice = ac97->private_data;
168         unsigned char old_cmd;
169 
170         old_cmd = snd_vt1724_ac97_ready(ice);
171         old_cmd &= ~VT1724_AC97_ID_MASK;
172         old_cmd |= ac97->num;
173         outb(reg, ICEMT1724(ice, AC97_INDEX));
174         outw(val, ICEMT1724(ice, AC97_DATA));
175         outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
176         snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
177 }
178 
179 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
180 {
181         struct snd_ice1712 *ice = ac97->private_data;
182         unsigned char old_cmd;
183 
184         old_cmd = snd_vt1724_ac97_ready(ice);
185         old_cmd &= ~VT1724_AC97_ID_MASK;
186         old_cmd |= ac97->num;
187         outb(reg, ICEMT1724(ice, AC97_INDEX));
188         outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
189         if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
190                 return ~0;
191         return inw(ICEMT1724(ice, AC97_DATA));
192 }
193 
194 
195 /*
196  * GPIO operations
197  */
198 
199 /* set gpio direction 0 = read, 1 = write */
200 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
201 {
202         outl(data, ICEREG1724(ice, GPIO_DIRECTION));
203         inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
204 }
205 
206 /* get gpio direction 0 = read, 1 = write */
207 static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
208 {
209         return inl(ICEREG1724(ice, GPIO_DIRECTION));
210 }
211 
212 /* set the gpio mask (0 = writable) */
213 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
214 {
215         outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
216         if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
217                 outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
218         inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
219 }
220 
221 static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
222 {
223         unsigned int mask;
224         if (!ice->vt1720)
225                 mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
226         else
227                 mask = 0;
228         mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
229         return mask;
230 }
231 
232 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
233 {
234         outw(data, ICEREG1724(ice, GPIO_DATA));
235         if (!ice->vt1720)
236                 outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
237         inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
238 }
239 
240 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
241 {
242         unsigned int data;
243         if (!ice->vt1720)
244                 data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
245         else
246                 data = 0;
247         data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
248         return data;
249 }
250 
251 /*
252  * MIDI
253  */
254 
255 static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
256 {
257         unsigned int count;
258 
259         for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
260                 inb(ICEREG1724(ice, MPU_DATA));
261 }
262 
263 static inline struct snd_rawmidi_substream *
264 get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
265 {
266         return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
267                                 struct snd_rawmidi_substream, list);
268 }
269 
270 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
271 
272 static void vt1724_midi_write(struct snd_ice1712 *ice)
273 {
274         struct snd_rawmidi_substream *s;
275         int count, i;
276         u8 buffer[32];
277 
278         s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
279         count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
280         if (count > 0) {
281                 count = snd_rawmidi_transmit(s, buffer, count);
282                 for (i = 0; i < count; ++i)
283                         outb(buffer[i], ICEREG1724(ice, MPU_DATA));
284         }
285         /* mask irq when all bytes have been transmitted.
286          * enabled again in output_trigger when the new data comes in.
287          */
288         enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
289                         !snd_rawmidi_transmit_empty(s));
290 }
291 
292 static void vt1724_midi_read(struct snd_ice1712 *ice)
293 {
294         struct snd_rawmidi_substream *s;
295         int count, i;
296         u8 buffer[32];
297 
298         s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
299         count = inb(ICEREG1724(ice, MPU_RXFIFO));
300         if (count > 0) {
301                 count = min(count, 32);
302                 for (i = 0; i < count; ++i)
303                         buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
304                 snd_rawmidi_receive(s, buffer, count);
305         }
306 }
307 
308 /* call with ice->reg_lock */
309 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
310 {
311         u8 mask = inb(ICEREG1724(ice, IRQMASK));
312         if (enable)
313                 mask &= ~flag;
314         else
315                 mask |= flag;
316         outb(mask, ICEREG1724(ice, IRQMASK));
317 }
318 
319 static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
320                                    u8 flag, int enable)
321 {
322         struct snd_ice1712 *ice = substream->rmidi->private_data;
323 
324         spin_lock_irq(&ice->reg_lock);
325         enable_midi_irq(ice, flag, enable);
326         spin_unlock_irq(&ice->reg_lock);
327 }
328 
329 static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
330 {
331         return 0;
332 }
333 
334 static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
335 {
336         return 0;
337 }
338 
339 static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
340 {
341         struct snd_ice1712 *ice = s->rmidi->private_data;
342         unsigned long flags;
343 
344         spin_lock_irqsave(&ice->reg_lock, flags);
345         if (up) {
346                 ice->midi_output = 1;
347                 vt1724_midi_write(ice);
348         } else {
349                 ice->midi_output = 0;
350                 enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
351         }
352         spin_unlock_irqrestore(&ice->reg_lock, flags);
353 }
354 
355 static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
356 {
357         struct snd_ice1712 *ice = s->rmidi->private_data;
358         unsigned long timeout;
359 
360         vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
361         /* 32 bytes should be transmitted in less than about 12 ms */
362         timeout = jiffies + msecs_to_jiffies(15);
363         do {
364                 if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
365                         break;
366                 schedule_timeout_uninterruptible(1);
367         } while (time_after(timeout, jiffies));
368 }
369 
370 static struct snd_rawmidi_ops vt1724_midi_output_ops = {
371         .open = vt1724_midi_output_open,
372         .close = vt1724_midi_output_close,
373         .trigger = vt1724_midi_output_trigger,
374         .drain = vt1724_midi_output_drain,
375 };
376 
377 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
378 {
379         vt1724_midi_clear_rx(s->rmidi->private_data);
380         vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
381         return 0;
382 }
383 
384 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
385 {
386         vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
387         return 0;
388 }
389 
390 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
391 {
392         struct snd_ice1712 *ice = s->rmidi->private_data;
393         unsigned long flags;
394 
395         spin_lock_irqsave(&ice->reg_lock, flags);
396         if (up) {
397                 ice->midi_input = 1;
398                 vt1724_midi_read(ice);
399         } else {
400                 ice->midi_input = 0;
401         }
402         spin_unlock_irqrestore(&ice->reg_lock, flags);
403 }
404 
405 static struct snd_rawmidi_ops vt1724_midi_input_ops = {
406         .open = vt1724_midi_input_open,
407         .close = vt1724_midi_input_close,
408         .trigger = vt1724_midi_input_trigger,
409 };
410 
411 
412 /*
413  *  Interrupt handler
414  */
415 
416 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
417 {
418         struct snd_ice1712 *ice = dev_id;
419         unsigned char status;
420         unsigned char status_mask =
421                 VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
422         int handled = 0;
423         int timeout = 0;
424 
425         while (1) {
426                 status = inb(ICEREG1724(ice, IRQSTAT));
427                 status &= status_mask;
428                 if (status == 0)
429                         break;
430                 spin_lock(&ice->reg_lock);
431                 if (++timeout > 10) {
432                         status = inb(ICEREG1724(ice, IRQSTAT));
433                         printk(KERN_ERR "ice1724: Too long irq loop, "
434                                "status = 0x%x\n", status);
435                         if (status & VT1724_IRQ_MPU_TX) {
436                                 printk(KERN_ERR "ice1724: Disabling MPU_TX\n");
437                                 enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
438                         }
439                         spin_unlock(&ice->reg_lock);
440                         break;
441                 }
442                 handled = 1;
443                 if (status & VT1724_IRQ_MPU_TX) {
444                         if (ice->midi_output)
445                                 vt1724_midi_write(ice);
446                         else
447                                 enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
448                         /* Due to mysterical reasons, MPU_TX is always
449                          * generated (and can't be cleared) when a PCM
450                          * playback is going.  So let's ignore at the
451                          * next loop.
452                          */
453                         status_mask &= ~VT1724_IRQ_MPU_TX;
454                 }
455                 if (status & VT1724_IRQ_MPU_RX) {
456                         if (ice->midi_input)
457                                 vt1724_midi_read(ice);
458                         else
459                                 vt1724_midi_clear_rx(ice);
460                 }
461                 /* ack MPU irq */
462                 outb(status, ICEREG1724(ice, IRQSTAT));
463                 spin_unlock(&ice->reg_lock);
464                 if (status & VT1724_IRQ_MTPCM) {
465                         /*
466                          * Multi-track PCM
467                          * PCM assignment are:
468                          * Playback DMA0 (M/C) = playback_pro_substream
469                          * Playback DMA1 = playback_con_substream_ds[0]
470                          * Playback DMA2 = playback_con_substream_ds[1]
471                          * Playback DMA3 = playback_con_substream_ds[2]
472                          * Playback DMA4 (SPDIF) = playback_con_substream
473                          * Record DMA0 = capture_pro_substream
474                          * Record DMA1 = capture_con_substream
475                          */
476                         unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
477                         if (mtstat & VT1724_MULTI_PDMA0) {
478                                 if (ice->playback_pro_substream)
479                                         snd_pcm_period_elapsed(ice->playback_pro_substream);
480                         }
481                         if (mtstat & VT1724_MULTI_RDMA0) {
482                                 if (ice->capture_pro_substream)
483                                         snd_pcm_period_elapsed(ice->capture_pro_substream);
484                         }
485                         if (mtstat & VT1724_MULTI_PDMA1) {
486                                 if (ice->playback_con_substream_ds[0])
487                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
488                         }
489                         if (mtstat & VT1724_MULTI_PDMA2) {
490                                 if (ice->playback_con_substream_ds[1])
491                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
492                         }
493                         if (mtstat & VT1724_MULTI_PDMA3) {
494                                 if (ice->playback_con_substream_ds[2])
495                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
496                         }
497                         if (mtstat & VT1724_MULTI_PDMA4) {
498                                 if (ice->playback_con_substream)
499                                         snd_pcm_period_elapsed(ice->playback_con_substream);
500                         }
501                         if (mtstat & VT1724_MULTI_RDMA1) {
502                                 if (ice->capture_con_substream)
503                                         snd_pcm_period_elapsed(ice->capture_con_substream);
504                         }
505                         /* ack anyway to avoid freeze */
506                         outb(mtstat, ICEMT1724(ice, IRQ));
507                         /* ought to really handle this properly */
508                         if (mtstat & VT1724_MULTI_FIFO_ERR) {
509                                 unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
510                                 outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
511                                 outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
512                                 /* If I don't do this, I get machine lockup due to continual interrupts */
513                         }
514 
515                 }
516         }
517         return IRQ_RETVAL(handled);
518 }
519 
520 /*
521  *  PCM code - professional part (multitrack)
522  */
523 
524 static unsigned int rates[] = {
525         8000, 9600, 11025, 12000, 16000, 22050, 24000,
526         32000, 44100, 48000, 64000, 88200, 96000,
527         176400, 192000,
528 };
529 
530 static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
531         .count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
532         .list = rates,
533         .mask = 0,
534 };
535 
536 static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
537         .count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
538         .list = rates,
539         .mask = 0,
540 };
541 
542 static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
543         .count = ARRAY_SIZE(rates),
544         .list = rates,
545         .mask = 0,
546 };
547 
548 struct vt1724_pcm_reg {
549         unsigned int addr;      /* ADDR register offset */
550         unsigned int size;      /* SIZE register offset */
551         unsigned int count;     /* COUNT register offset */
552         unsigned int start;     /* start & pause bit */
553 };
554 
555 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
556 {
557         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
558         unsigned char what;
559         unsigned char old;
560         struct snd_pcm_substream *s;
561 
562         what = 0;
563         snd_pcm_group_for_each_entry(s, substream) {
564                 if (snd_pcm_substream_chip(s) == ice) {
565                         const struct vt1724_pcm_reg *reg;
566                         reg = s->runtime->private_data;
567                         what |= reg->start;
568                         snd_pcm_trigger_done(s, substream);
569                 }
570         }
571 
572         switch (cmd) {
573         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
574         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
575                 spin_lock(&ice->reg_lock);
576                 old = inb(ICEMT1724(ice, DMA_PAUSE));
577                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
578                         old |= what;
579                 else
580                         old &= ~what;
581                 outb(old, ICEMT1724(ice, DMA_PAUSE));
582                 spin_unlock(&ice->reg_lock);
583                 break;
584 
585         case SNDRV_PCM_TRIGGER_START:
586         case SNDRV_PCM_TRIGGER_STOP:
587         case SNDRV_PCM_TRIGGER_SUSPEND:
588                 spin_lock(&ice->reg_lock);
589                 old = inb(ICEMT1724(ice, DMA_CONTROL));
590                 if (cmd == SNDRV_PCM_TRIGGER_START)
591                         old |= what;
592                 else
593                         old &= ~what;
594                 outb(old, ICEMT1724(ice, DMA_CONTROL));
595                 spin_unlock(&ice->reg_lock);
596                 break;
597 
598         case SNDRV_PCM_TRIGGER_RESUME:
599                 /* apps will have to restart stream */
600                 break;
601 
602         default:
603                 return -EINVAL;
604         }
605         return 0;
606 }
607 
608 /*
609  */
610 
611 #define DMA_STARTS      (VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
612         VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
613 #define DMA_PAUSES      (VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
614         VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
615 
616 static const unsigned int stdclock_rate_list[16] = {
617         48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
618         22050, 11025, 88200, 176400, 0, 192000, 64000
619 };
620 
621 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
622 {
623         unsigned int rate;
624         rate = stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
625         return rate;
626 }
627 
628 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
629 {
630         int i;
631         for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
632                 if (stdclock_rate_list[i] == rate) {
633                         outb(i, ICEMT1724(ice, RATE));
634                         return;
635                 }
636         }
637 }
638 
639 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
640                                        unsigned int rate)
641 {
642         unsigned char val, old;
643         /* check MT02 */
644         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
645                 val = old = inb(ICEMT1724(ice, I2S_FORMAT));
646                 if (rate > 96000)
647                         val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
648                 else
649                         val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
650                 if (val != old) {
651                         outb(val, ICEMT1724(ice, I2S_FORMAT));
652                         /* master clock changed */
653                         return 1;
654                 }
655         }
656         /* no change in master clock */
657         return 0;
658 }
659 
660 static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
661                                     int force)
662 {
663         unsigned long flags;
664         unsigned char mclk_change;
665         unsigned int i, old_rate;
666 
667         if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
668                 return -EINVAL;
669 
670         spin_lock_irqsave(&ice->reg_lock, flags);
671         if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
672             (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
673                 /* running? we cannot change the rate now... */
674                 spin_unlock_irqrestore(&ice->reg_lock, flags);
675                 return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
676         }
677         if (!force && is_pro_rate_locked(ice)) {
678                 /* comparing required and current rate - makes sense for
679                  * internal clock only */
680                 spin_unlock_irqrestore(&ice->reg_lock, flags);
681                 return (rate == ice->cur_rate) ? 0 : -EBUSY;
682         }
683 
684         if (force || !ice->is_spdif_master(ice)) {
685                 /* force means the rate was switched by ucontrol, otherwise
686                  * setting clock rate for internal clock mode */
687                 old_rate = ice->get_rate(ice);
688                 if (force || (old_rate != rate))
689                         ice->set_rate(ice, rate);
690                 else if (rate == ice->cur_rate) {
691                         spin_unlock_irqrestore(&ice->reg_lock, flags);
692                         return 0;
693                 }
694         }
695 
696         ice->cur_rate = rate;
697 
698         /* setting master clock */
699         mclk_change = ice->set_mclk(ice, rate);
700 
701         spin_unlock_irqrestore(&ice->reg_lock, flags);
702 
703         if (mclk_change && ice->gpio.i2s_mclk_changed)
704                 ice->gpio.i2s_mclk_changed(ice);
705         if (ice->gpio.set_pro_rate)
706                 ice->gpio.set_pro_rate(ice, rate);
707 
708         /* set up codecs */
709         for (i = 0; i < ice->akm_codecs; i++) {
710                 if (ice->akm[i].ops.set_rate_val)
711                         ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
712         }
713         if (ice->spdif.ops.setup_rate)
714                 ice->spdif.ops.setup_rate(ice, rate);
715 
716         return 0;
717 }
718 
719 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
720                                     struct snd_pcm_hw_params *hw_params)
721 {
722         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
723         int i, chs, err;
724 
725         chs = params_channels(hw_params);
726         mutex_lock(&ice->open_mutex);
727         /* mark surround channels */
728         if (substream == ice->playback_pro_substream) {
729                 /* PDMA0 can be multi-channel up to 8 */
730                 chs = chs / 2 - 1;
731                 for (i = 0; i < chs; i++) {
732                         if (ice->pcm_reserved[i] &&
733                             ice->pcm_reserved[i] != substream) {
734                                 mutex_unlock(&ice->open_mutex);
735                                 return -EBUSY;
736                         }
737                         ice->pcm_reserved[i] = substream;
738                 }
739                 for (; i < 3; i++) {
740                         if (ice->pcm_reserved[i] == substream)
741                                 ice->pcm_reserved[i] = NULL;
742                 }
743         } else {
744                 for (i = 0; i < 3; i++) {
745                         /* check individual playback stream */
746                         if (ice->playback_con_substream_ds[i] == substream) {
747                                 if (ice->pcm_reserved[i] &&
748                                     ice->pcm_reserved[i] != substream) {
749                                         mutex_unlock(&ice->open_mutex);
750                                         return -EBUSY;
751                                 }
752                                 ice->pcm_reserved[i] = substream;
753                                 break;
754                         }
755                 }
756         }
757         mutex_unlock(&ice->open_mutex);
758 
759         err = snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
760         if (err < 0)
761                 return err;
762 
763         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
764 }
765 
766 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
767 {
768         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
769         int i;
770 
771         mutex_lock(&ice->open_mutex);
772         /* unmark surround channels */
773         for (i = 0; i < 3; i++)
774                 if (ice->pcm_reserved[i] == substream)
775                         ice->pcm_reserved[i] = NULL;
776         mutex_unlock(&ice->open_mutex);
777         return snd_pcm_lib_free_pages(substream);
778 }
779 
780 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
781 {
782         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
783         unsigned char val;
784         unsigned int size;
785 
786         spin_lock_irq(&ice->reg_lock);
787         val = (8 - substream->runtime->channels) >> 1;
788         outb(val, ICEMT1724(ice, BURST));
789 
790         outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
791 
792         size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
793         /* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
794         outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
795         outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
796         size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
797         /* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
798         outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
799         outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
800 
801         spin_unlock_irq(&ice->reg_lock);
802 
803         /*
804         printk(KERN_DEBUG "pro prepare: ch = %d, addr = 0x%x, "
805                "buffer = 0x%x, period = 0x%x\n",
806                substream->runtime->channels,
807                (unsigned int)substream->runtime->dma_addr,
808                snd_pcm_lib_buffer_bytes(substream),
809                snd_pcm_lib_period_bytes(substream));
810         */
811         return 0;
812 }
813 
814 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
815 {
816         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
817         size_t ptr;
818 
819         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
820                 return 0;
821 #if 0 /* read PLAYBACK_ADDR */
822         ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
823         if (ptr < substream->runtime->dma_addr) {
824                 snd_printd("ice1724: invalid negative ptr\n");
825                 return 0;
826         }
827         ptr -= substream->runtime->dma_addr;
828         ptr = bytes_to_frames(substream->runtime, ptr);
829         if (ptr >= substream->runtime->buffer_size) {
830                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
831                            (int)ptr, (int)substream->runtime->period_size);
832                 return 0;
833         }
834 #else /* read PLAYBACK_SIZE */
835         ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
836         ptr = (ptr + 1) << 2;
837         ptr = bytes_to_frames(substream->runtime, ptr);
838         if (!ptr)
839                 ;
840         else if (ptr <= substream->runtime->buffer_size)
841                 ptr = substream->runtime->buffer_size - ptr;
842         else {
843                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
844                            (int)ptr, (int)substream->runtime->buffer_size);
845                 ptr = 0;
846         }
847 #endif
848         return ptr;
849 }
850 
851 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
852 {
853         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
854         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
855 
856         spin_lock_irq(&ice->reg_lock);
857         outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
858         outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
859              ice->profi_port + reg->size);
860         outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
861              ice->profi_port + reg->count);
862         spin_unlock_irq(&ice->reg_lock);
863         return 0;
864 }
865 
866 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
867 {
868         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
869         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
870         size_t ptr;
871 
872         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
873                 return 0;
874 #if 0 /* use ADDR register */
875         ptr = inl(ice->profi_port + reg->addr);
876         ptr -= substream->runtime->dma_addr;
877         return bytes_to_frames(substream->runtime, ptr);
878 #else /* use SIZE register */
879         ptr = inw(ice->profi_port + reg->size);
880         ptr = (ptr + 1) << 2;
881         ptr = bytes_to_frames(substream->runtime, ptr);
882         if (!ptr)
883                 ;
884         else if (ptr <= substream->runtime->buffer_size)
885                 ptr = substream->runtime->buffer_size - ptr;
886         else {
887                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
888                            (int)ptr, (int)substream->runtime->buffer_size);
889                 ptr = 0;
890         }
891         return ptr;
892 #endif
893 }
894 
895 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
896         .addr = VT1724_MT_PLAYBACK_ADDR,
897         .size = VT1724_MT_PLAYBACK_SIZE,
898         .count = VT1724_MT_PLAYBACK_COUNT,
899         .start = VT1724_PDMA0_START,
900 };
901 
902 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
903         .addr = VT1724_MT_PDMA4_ADDR,
904         .size = VT1724_MT_PDMA4_SIZE,
905         .count = VT1724_MT_PDMA4_COUNT,
906         .start = VT1724_PDMA4_START,
907 };
908 
909 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
910         .addr = VT1724_MT_CAPTURE_ADDR,
911         .size = VT1724_MT_CAPTURE_SIZE,
912         .count = VT1724_MT_CAPTURE_COUNT,
913         .start = VT1724_RDMA0_START,
914 };
915 
916 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
917         .addr = VT1724_MT_RDMA1_ADDR,
918         .size = VT1724_MT_RDMA1_SIZE,
919         .count = VT1724_MT_RDMA1_COUNT,
920         .start = VT1724_RDMA1_START,
921 };
922 
923 #define vt1724_playback_pro_reg vt1724_pdma0_reg
924 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
925 #define vt1724_capture_pro_reg vt1724_rdma0_reg
926 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
927 
928 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
929         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
930                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
931                                  SNDRV_PCM_INFO_MMAP_VALID |
932                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
933         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
934         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
935         .rate_min =             8000,
936         .rate_max =             192000,
937         .channels_min =         2,
938         .channels_max =         8,
939         .buffer_bytes_max =     (1UL << 21),    /* 19bits dword */
940         .period_bytes_min =     8 * 4 * 2,      /* FIXME: constraints needed */
941         .period_bytes_max =     (1UL << 21),
942         .periods_min =          2,
943         .periods_max =          1024,
944 };
945 
946 static const struct snd_pcm_hardware snd_vt1724_spdif = {
947         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
948                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
949                                  SNDRV_PCM_INFO_MMAP_VALID |
950                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
951         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
952         .rates =                (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
953                                  SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
954                                  SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
955                                  SNDRV_PCM_RATE_192000),
956         .rate_min =             32000,
957         .rate_max =             192000,
958         .channels_min =         2,
959         .channels_max =         2,
960         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
961         .period_bytes_min =     2 * 4 * 2,
962         .period_bytes_max =     (1UL << 18),
963         .periods_min =          2,
964         .periods_max =          1024,
965 };
966 
967 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
968         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
969                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
970                                  SNDRV_PCM_INFO_MMAP_VALID |
971                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
972         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
973         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
974         .rate_min =             8000,
975         .rate_max =             192000,
976         .channels_min =         2,
977         .channels_max =         2,
978         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
979         .period_bytes_min =     2 * 4 * 2,
980         .period_bytes_max =     (1UL << 18),
981         .periods_min =          2,
982         .periods_max =          1024,
983 };
984 
985 /*
986  * set rate constraints
987  */
988 static void set_std_hw_rates(struct snd_ice1712 *ice)
989 {
990         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
991                 /* I2S */
992                 /* VT1720 doesn't support more than 96kHz */
993                 if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
994                         ice->hw_rates = &hw_constraints_rates_192;
995                 else
996                         ice->hw_rates = &hw_constraints_rates_96;
997         } else {
998                 /* ACLINK */
999                 ice->hw_rates = &hw_constraints_rates_48;
1000         }
1001 }
1002 
1003 static int set_rate_constraints(struct snd_ice1712 *ice,
1004                                 struct snd_pcm_substream *substream)
1005 {
1006         struct snd_pcm_runtime *runtime = substream->runtime;
1007 
1008         runtime->hw.rate_min = ice->hw_rates->list[0];
1009         runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
1010         runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
1011         return snd_pcm_hw_constraint_list(runtime, 0,
1012                                           SNDRV_PCM_HW_PARAM_RATE,
1013                                           ice->hw_rates);
1014 }
1015 
1016 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1017  * actually used
1018  */
1019 #define VT1724_BUFFER_ALIGN     0x20
1020 
1021 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1022 {
1023         struct snd_pcm_runtime *runtime = substream->runtime;
1024         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1025         int chs, num_indeps;
1026 
1027         runtime->private_data = (void *)&vt1724_playback_pro_reg;
1028         ice->playback_pro_substream = substream;
1029         runtime->hw = snd_vt1724_playback_pro;
1030         snd_pcm_set_sync(substream);
1031         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1032         set_rate_constraints(ice, substream);
1033         mutex_lock(&ice->open_mutex);
1034         /* calculate the currently available channels */
1035         num_indeps = ice->num_total_dacs / 2 - 1;
1036         for (chs = 0; chs < num_indeps; chs++) {
1037                 if (ice->pcm_reserved[chs])
1038                         break;
1039         }
1040         chs = (chs + 1) * 2;
1041         runtime->hw.channels_max = chs;
1042         if (chs > 2) /* channels must be even */
1043                 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1044         mutex_unlock(&ice->open_mutex);
1045         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1046                                    VT1724_BUFFER_ALIGN);
1047         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1048                                    VT1724_BUFFER_ALIGN);
1049         if (ice->pro_open)
1050                 ice->pro_open(ice, substream);
1051         return 0;
1052 }
1053 
1054 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1055 {
1056         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1057         struct snd_pcm_runtime *runtime = substream->runtime;
1058 
1059         runtime->private_data = (void *)&vt1724_capture_pro_reg;
1060         ice->capture_pro_substream = substream;
1061         runtime->hw = snd_vt1724_2ch_stereo;
1062         snd_pcm_set_sync(substream);
1063         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1064         set_rate_constraints(ice, substream);
1065         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1066                                    VT1724_BUFFER_ALIGN);
1067         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1068                                    VT1724_BUFFER_ALIGN);
1069         if (ice->pro_open)
1070                 ice->pro_open(ice, substream);
1071         return 0;
1072 }
1073 
1074 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1075 {
1076         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1077 
1078         if (PRO_RATE_RESET)
1079                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1080         ice->playback_pro_substream = NULL;
1081 
1082         return 0;
1083 }
1084 
1085 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1086 {
1087         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1088 
1089         if (PRO_RATE_RESET)
1090                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1091         ice->capture_pro_substream = NULL;
1092         return 0;
1093 }
1094 
1095 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1096         .open =         snd_vt1724_playback_pro_open,
1097         .close =        snd_vt1724_playback_pro_close,
1098         .ioctl =        snd_pcm_lib_ioctl,
1099         .hw_params =    snd_vt1724_pcm_hw_params,
1100         .hw_free =      snd_vt1724_pcm_hw_free,
1101         .prepare =      snd_vt1724_playback_pro_prepare,
1102         .trigger =      snd_vt1724_pcm_trigger,
1103         .pointer =      snd_vt1724_playback_pro_pointer,
1104 };
1105 
1106 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1107         .open =         snd_vt1724_capture_pro_open,
1108         .close =        snd_vt1724_capture_pro_close,
1109         .ioctl =        snd_pcm_lib_ioctl,
1110         .hw_params =    snd_vt1724_pcm_hw_params,
1111         .hw_free =      snd_vt1724_pcm_hw_free,
1112         .prepare =      snd_vt1724_pcm_prepare,
1113         .trigger =      snd_vt1724_pcm_trigger,
1114         .pointer =      snd_vt1724_pcm_pointer,
1115 };
1116 
1117 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1118 {
1119         struct snd_pcm *pcm;
1120         int err;
1121 
1122         err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
1123         if (err < 0)
1124                 return err;
1125 
1126         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1127         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
1128 
1129         pcm->private_data = ice;
1130         pcm->info_flags = 0;
1131         strcpy(pcm->name, "ICE1724");
1132 
1133         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1134                                               snd_dma_pci_data(ice->pci),
1135                                               256*1024, 256*1024);
1136 
1137         ice->pcm_pro = pcm;
1138 
1139         return 0;
1140 }
1141 
1142 
1143 /*
1144  * SPDIF PCM
1145  */
1146 
1147 /* update spdif control bits; call with reg_lock */
1148 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1149 {
1150         unsigned char cbit, disabled;
1151 
1152         cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1153         disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1154         if (cbit != disabled)
1155                 outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1156         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1157         if (cbit != disabled)
1158                 outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1159         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1160 }
1161 
1162 /* update SPDIF control bits according to the given rate */
1163 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1164 {
1165         unsigned int val, nval;
1166         unsigned long flags;
1167 
1168         spin_lock_irqsave(&ice->reg_lock, flags);
1169         nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1170         nval &= ~(7 << 12);
1171         switch (rate) {
1172         case 44100: break;
1173         case 48000: nval |= 2 << 12; break;
1174         case 32000: nval |= 3 << 12; break;
1175         case 88200: nval |= 4 << 12; break;
1176         case 96000: nval |= 5 << 12; break;
1177         case 192000: nval |= 6 << 12; break;
1178         case 176400: nval |= 7 << 12; break;
1179         }
1180         if (val != nval)
1181                 update_spdif_bits(ice, nval);
1182         spin_unlock_irqrestore(&ice->reg_lock, flags);
1183 }
1184 
1185 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1186 {
1187         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1188         if (!ice->force_pdma4)
1189                 update_spdif_rate(ice, substream->runtime->rate);
1190         return snd_vt1724_pcm_prepare(substream);
1191 }
1192 
1193 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1194 {
1195         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1196         struct snd_pcm_runtime *runtime = substream->runtime;
1197 
1198         runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1199         ice->playback_con_substream = substream;
1200         if (ice->force_pdma4) {
1201                 runtime->hw = snd_vt1724_2ch_stereo;
1202                 set_rate_constraints(ice, substream);
1203         } else
1204                 runtime->hw = snd_vt1724_spdif;
1205         snd_pcm_set_sync(substream);
1206         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1207         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1208                                    VT1724_BUFFER_ALIGN);
1209         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1210                                    VT1724_BUFFER_ALIGN);
1211         if (ice->spdif.ops.open)
1212                 ice->spdif.ops.open(ice, substream);
1213         return 0;
1214 }
1215 
1216 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1217 {
1218         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1219 
1220         if (PRO_RATE_RESET)
1221                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1222         ice->playback_con_substream = NULL;
1223         if (ice->spdif.ops.close)
1224                 ice->spdif.ops.close(ice, substream);
1225 
1226         return 0;
1227 }
1228 
1229 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1230 {
1231         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1232         struct snd_pcm_runtime *runtime = substream->runtime;
1233 
1234         runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1235         ice->capture_con_substream = substream;
1236         if (ice->force_rdma1) {
1237                 runtime->hw = snd_vt1724_2ch_stereo;
1238                 set_rate_constraints(ice, substream);
1239         } else
1240                 runtime->hw = snd_vt1724_spdif;
1241         snd_pcm_set_sync(substream);
1242         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1243         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1244                                    VT1724_BUFFER_ALIGN);
1245         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1246                                    VT1724_BUFFER_ALIGN);
1247         if (ice->spdif.ops.open)
1248                 ice->spdif.ops.open(ice, substream);
1249         return 0;
1250 }
1251 
1252 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1253 {
1254         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1255 
1256         if (PRO_RATE_RESET)
1257                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1258         ice->capture_con_substream = NULL;
1259         if (ice->spdif.ops.close)
1260                 ice->spdif.ops.close(ice, substream);
1261 
1262         return 0;
1263 }
1264 
1265 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1266         .open =         snd_vt1724_playback_spdif_open,
1267         .close =        snd_vt1724_playback_spdif_close,
1268         .ioctl =        snd_pcm_lib_ioctl,
1269         .hw_params =    snd_vt1724_pcm_hw_params,
1270         .hw_free =      snd_vt1724_pcm_hw_free,
1271         .prepare =      snd_vt1724_playback_spdif_prepare,
1272         .trigger =      snd_vt1724_pcm_trigger,
1273         .pointer =      snd_vt1724_pcm_pointer,
1274 };
1275 
1276 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1277         .open =         snd_vt1724_capture_spdif_open,
1278         .close =        snd_vt1724_capture_spdif_close,
1279         .ioctl =        snd_pcm_lib_ioctl,
1280         .hw_params =    snd_vt1724_pcm_hw_params,
1281         .hw_free =      snd_vt1724_pcm_hw_free,
1282         .prepare =      snd_vt1724_pcm_prepare,
1283         .trigger =      snd_vt1724_pcm_trigger,
1284         .pointer =      snd_vt1724_pcm_pointer,
1285 };
1286 
1287 
1288 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1289 {
1290         char *name;
1291         struct snd_pcm *pcm;
1292         int play, capt;
1293         int err;
1294 
1295         if (ice->force_pdma4 ||
1296             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1297                 play = 1;
1298                 ice->has_spdif = 1;
1299         } else
1300                 play = 0;
1301         if (ice->force_rdma1 ||
1302             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1303                 capt = 1;
1304                 ice->has_spdif = 1;
1305         } else
1306                 capt = 0;
1307         if (!play && !capt)
1308                 return 0; /* no spdif device */
1309 
1310         if (ice->force_pdma4 || ice->force_rdma1)
1311                 name = "ICE1724 Secondary";
1312         else
1313                 name = "ICE1724 IEC958";
1314         err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1315         if (err < 0)
1316                 return err;
1317 
1318         if (play)
1319                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1320                                 &snd_vt1724_playback_spdif_ops);
1321         if (capt)
1322                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1323                                 &snd_vt1724_capture_spdif_ops);
1324 
1325         pcm->private_data = ice;
1326         pcm->info_flags = 0;
1327         strcpy(pcm->name, name);
1328 
1329         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1330                                               snd_dma_pci_data(ice->pci),
1331                                               256*1024, 256*1024);
1332 
1333         ice->pcm = pcm;
1334 
1335         return 0;
1336 }
1337 
1338 
1339 /*
1340  * independent surround PCMs
1341  */
1342 
1343 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1344         {
1345                 .addr = VT1724_MT_PDMA1_ADDR,
1346                 .size = VT1724_MT_PDMA1_SIZE,
1347                 .count = VT1724_MT_PDMA1_COUNT,
1348                 .start = VT1724_PDMA1_START,
1349         },
1350         {
1351                 .addr = VT1724_MT_PDMA2_ADDR,
1352                 .size = VT1724_MT_PDMA2_SIZE,
1353                 .count = VT1724_MT_PDMA2_COUNT,
1354                 .start = VT1724_PDMA2_START,
1355         },
1356         {
1357                 .addr = VT1724_MT_PDMA3_ADDR,
1358                 .size = VT1724_MT_PDMA3_SIZE,
1359                 .count = VT1724_MT_PDMA3_COUNT,
1360                 .start = VT1724_PDMA3_START,
1361         },
1362 };
1363 
1364 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1365 {
1366         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1367         unsigned char val;
1368 
1369         spin_lock_irq(&ice->reg_lock);
1370         val = 3 - substream->number;
1371         if (inb(ICEMT1724(ice, BURST)) < val)
1372                 outb(val, ICEMT1724(ice, BURST));
1373         spin_unlock_irq(&ice->reg_lock);
1374         return snd_vt1724_pcm_prepare(substream);
1375 }
1376 
1377 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1378 {
1379         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1380         struct snd_pcm_runtime *runtime = substream->runtime;
1381 
1382         mutex_lock(&ice->open_mutex);
1383         /* already used by PDMA0? */
1384         if (ice->pcm_reserved[substream->number]) {
1385                 mutex_unlock(&ice->open_mutex);
1386                 return -EBUSY; /* FIXME: should handle blocking mode properly */
1387         }
1388         mutex_unlock(&ice->open_mutex);
1389         runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1390         ice->playback_con_substream_ds[substream->number] = substream;
1391         runtime->hw = snd_vt1724_2ch_stereo;
1392         snd_pcm_set_sync(substream);
1393         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1394         set_rate_constraints(ice, substream);
1395         return 0;
1396 }
1397 
1398 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1399 {
1400         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1401 
1402         if (PRO_RATE_RESET)
1403                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1404         ice->playback_con_substream_ds[substream->number] = NULL;
1405         ice->pcm_reserved[substream->number] = NULL;
1406 
1407         return 0;
1408 }
1409 
1410 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1411         .open =         snd_vt1724_playback_indep_open,
1412         .close =        snd_vt1724_playback_indep_close,
1413         .ioctl =        snd_pcm_lib_ioctl,
1414         .hw_params =    snd_vt1724_pcm_hw_params,
1415         .hw_free =      snd_vt1724_pcm_hw_free,
1416         .prepare =      snd_vt1724_playback_indep_prepare,
1417         .trigger =      snd_vt1724_pcm_trigger,
1418         .pointer =      snd_vt1724_pcm_pointer,
1419 };
1420 
1421 
1422 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1423 {
1424         struct snd_pcm *pcm;
1425         int play;
1426         int err;
1427 
1428         play = ice->num_total_dacs / 2 - 1;
1429         if (play <= 0)
1430                 return 0;
1431 
1432         err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1433         if (err < 0)
1434                 return err;
1435 
1436         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1437                         &snd_vt1724_playback_indep_ops);
1438 
1439         pcm->private_data = ice;
1440         pcm->info_flags = 0;
1441         strcpy(pcm->name, "ICE1724 Surround PCM");
1442 
1443         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1444                                               snd_dma_pci_data(ice->pci),
1445                                               256*1024, 256*1024);
1446 
1447         ice->pcm_ds = pcm;
1448 
1449         return 0;
1450 }
1451 
1452 
1453 /*
1454  *  Mixer section
1455  */
1456 
1457 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1458 {
1459         int err;
1460 
1461         if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1462                 struct snd_ac97_bus *pbus;
1463                 struct snd_ac97_template ac97;
1464                 static struct snd_ac97_bus_ops ops = {
1465                         .write = snd_vt1724_ac97_write,
1466                         .read = snd_vt1724_ac97_read,
1467                 };
1468 
1469                 /* cold reset */
1470                 outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1471                 mdelay(5); /* FIXME */
1472                 outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1473 
1474                 err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1475                 if (err < 0)
1476                         return err;
1477                 memset(&ac97, 0, sizeof(ac97));
1478                 ac97.private_data = ice;
1479                 err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1480                 if (err < 0)
1481                         printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1482                 else
1483                         return 0;
1484         }
1485         /* I2S mixer only */
1486         strcat(ice->card->mixername, "ICE1724 - multitrack");
1487         return 0;
1488 }
1489 
1490 /*
1491  *
1492  */
1493 
1494 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1495 {
1496         return (unsigned int)ice->eeprom.data[idx] | \
1497                 ((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1498                 ((unsigned int)ice->eeprom.data[idx + 2] << 16);
1499 }
1500 
1501 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1502                                  struct snd_info_buffer *buffer)
1503 {
1504         struct snd_ice1712 *ice = entry->private_data;
1505         unsigned int idx;
1506 
1507         snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1508         snd_iprintf(buffer, "EEPROM:\n");
1509 
1510         snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1511         snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1512         snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1513         snd_iprintf(buffer, "  System Config    : 0x%x\n",
1514                     ice->eeprom.data[ICE_EEP2_SYSCONF]);
1515         snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1516                     ice->eeprom.data[ICE_EEP2_ACLINK]);
1517         snd_iprintf(buffer, "  I2S              : 0x%x\n",
1518                     ice->eeprom.data[ICE_EEP2_I2S]);
1519         snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1520                     ice->eeprom.data[ICE_EEP2_SPDIF]);
1521         snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1522                     ice->eeprom.gpiodir);
1523         snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1524                     ice->eeprom.gpiomask);
1525         snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1526                     ice->eeprom.gpiostate);
1527         for (idx = 0x12; idx < ice->eeprom.size; idx++)
1528                 snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1529                             idx, ice->eeprom.data[idx]);
1530 
1531         snd_iprintf(buffer, "\nRegisters:\n");
1532 
1533         snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1534                     (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1535         for (idx = 0x0; idx < 0x20 ; idx++)
1536                 snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1537                             idx, inb(ice->port+idx));
1538         for (idx = 0x0; idx < 0x30 ; idx++)
1539                 snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1540                             idx, inb(ice->profi_port+idx));
1541 }
1542 
1543 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 *ice)
1544 {
1545         struct snd_info_entry *entry;
1546 
1547         if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1548                 snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1549 }
1550 
1551 /*
1552  *
1553  */
1554 
1555 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1556                                   struct snd_ctl_elem_info *uinfo)
1557 {
1558         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1559         uinfo->count = sizeof(struct snd_ice1712_eeprom);
1560         return 0;
1561 }
1562 
1563 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1564                                  struct snd_ctl_elem_value *ucontrol)
1565 {
1566         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1567 
1568         memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1569         return 0;
1570 }
1571 
1572 static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1573         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1574         .name = "ICE1724 EEPROM",
1575         .access = SNDRV_CTL_ELEM_ACCESS_READ,
1576         .info = snd_vt1724_eeprom_info,
1577         .get = snd_vt1724_eeprom_get
1578 };
1579 
1580 /*
1581  */
1582 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1583                                  struct snd_ctl_elem_info *uinfo)
1584 {
1585         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1586         uinfo->count = 1;
1587         return 0;
1588 }
1589 
1590 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1591 {
1592         unsigned int val, rbits;
1593 
1594         val = diga->status[0] & 0x03; /* professional, non-audio */
1595         if (val & 0x01) {
1596                 /* professional */
1597                 if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1598                     IEC958_AES0_PRO_EMPHASIS_5015)
1599                         val |= 1U << 3;
1600                 rbits = (diga->status[4] >> 3) & 0x0f;
1601                 if (rbits) {
1602                         switch (rbits) {
1603                         case 2: val |= 5 << 12; break; /* 96k */
1604                         case 3: val |= 6 << 12; break; /* 192k */
1605                         case 10: val |= 4 << 12; break; /* 88.2k */
1606                         case 11: val |= 7 << 12; break; /* 176.4k */
1607                         }
1608                 } else {
1609                         switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1610                         case IEC958_AES0_PRO_FS_44100:
1611                                 break;
1612                         case IEC958_AES0_PRO_FS_32000:
1613                                 val |= 3U << 12;
1614                                 break;
1615                         default:
1616                                 val |= 2U << 12;
1617                                 break;
1618                         }
1619                 }
1620         } else {
1621                 /* consumer */
1622                 val |= diga->status[1] & 0x04; /* copyright */
1623                 if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1624                     IEC958_AES0_CON_EMPHASIS_5015)
1625                         val |= 1U << 3;
1626                 val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1627                 val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1628         }
1629         return val;
1630 }
1631 
1632 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1633 {
1634         memset(diga->status, 0, sizeof(diga->status));
1635         diga->status[0] = val & 0x03; /* professional, non-audio */
1636         if (val & 0x01) {
1637                 /* professional */
1638                 if (val & (1U << 3))
1639                         diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1640                 switch ((val >> 12) & 0x7) {
1641                 case 0:
1642                         break;
1643                 case 2:
1644                         diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1645                         break;
1646                 default:
1647                         diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1648                         break;
1649                 }
1650         } else {
1651                 /* consumer */
1652                 diga->status[0] |= val & (1U << 2); /* copyright */
1653                 if (val & (1U << 3))
1654                         diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1655                 diga->status[1] |= (val >> 4) & 0x3f; /* category */
1656                 diga->status[3] |= (val >> 12) & 0x07; /* fs */
1657         }
1658 }
1659 
1660 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1661                                         struct snd_ctl_elem_value *ucontrol)
1662 {
1663         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1664         unsigned int val;
1665         val = inw(ICEMT1724(ice, SPDIF_CTRL));
1666         decode_spdif_bits(&ucontrol->value.iec958, val);
1667         return 0;
1668 }
1669 
1670 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1671                                          struct snd_ctl_elem_value *ucontrol)
1672 {
1673         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1674         unsigned int val, old;
1675 
1676         val = encode_spdif_bits(&ucontrol->value.iec958);
1677         spin_lock_irq(&ice->reg_lock);
1678         old = inw(ICEMT1724(ice, SPDIF_CTRL));
1679         if (val != old)
1680                 update_spdif_bits(ice, val);
1681         spin_unlock_irq(&ice->reg_lock);
1682         return val != old;
1683 }
1684 
1685 static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1686 {
1687         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1688         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1689         .info =         snd_vt1724_spdif_info,
1690         .get =          snd_vt1724_spdif_default_get,
1691         .put =          snd_vt1724_spdif_default_put
1692 };
1693 
1694 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1695                                        struct snd_ctl_elem_value *ucontrol)
1696 {
1697         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1698                                                      IEC958_AES0_PROFESSIONAL |
1699                                                      IEC958_AES0_CON_NOT_COPYRIGHT |
1700                                                      IEC958_AES0_CON_EMPHASIS;
1701         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1702                                                      IEC958_AES1_CON_CATEGORY;
1703         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1704         return 0;
1705 }
1706 
1707 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1708                                        struct snd_ctl_elem_value *ucontrol)
1709 {
1710         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1711                                                      IEC958_AES0_PROFESSIONAL |
1712                                                      IEC958_AES0_PRO_FS |
1713                                                      IEC958_AES0_PRO_EMPHASIS;
1714         return 0;
1715 }
1716 
1717 static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1718 {
1719         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1720         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1721         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1722         .info =         snd_vt1724_spdif_info,
1723         .get =          snd_vt1724_spdif_maskc_get,
1724 };
1725 
1726 static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1727 {
1728         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1729         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1730         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1731         .info =         snd_vt1724_spdif_info,
1732         .get =          snd_vt1724_spdif_maskp_get,
1733 };
1734 
1735 #define snd_vt1724_spdif_sw_info                snd_ctl_boolean_mono_info
1736 
1737 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1738                                    struct snd_ctl_elem_value *ucontrol)
1739 {
1740         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1741         ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1742                 VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1743         return 0;
1744 }
1745 
1746 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1747                                    struct snd_ctl_elem_value *ucontrol)
1748 {
1749         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1750         unsigned char old, val;
1751 
1752         spin_lock_irq(&ice->reg_lock);
1753         old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1754         val &= ~VT1724_CFG_SPDIF_OUT_EN;
1755         if (ucontrol->value.integer.value[0])
1756                 val |= VT1724_CFG_SPDIF_OUT_EN;
1757         if (old != val)
1758                 outb(val, ICEREG1724(ice, SPDIF_CFG));
1759         spin_unlock_irq(&ice->reg_lock);
1760         return old != val;
1761 }
1762 
1763 static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1764 {
1765         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1766         /* FIXME: the following conflict with IEC958 Playback Route */
1767         /* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1768         .name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1769         .info =         snd_vt1724_spdif_sw_info,
1770         .get =          snd_vt1724_spdif_sw_get,
1771         .put =          snd_vt1724_spdif_sw_put
1772 };
1773 
1774 
1775 #if 0 /* NOT USED YET */
1776 /*
1777  * GPIO access from extern
1778  */
1779 
1780 #define snd_vt1724_gpio_info            snd_ctl_boolean_mono_info
1781 
1782 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1783                         struct snd_ctl_elem_value *ucontrol)
1784 {
1785         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1786         int shift = kcontrol->private_value & 0xff;
1787         int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1788 
1789         snd_ice1712_save_gpio_status(ice);
1790         ucontrol->value.integer.value[0] =
1791                 (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1792         snd_ice1712_restore_gpio_status(ice);
1793         return 0;
1794 }
1795 
1796 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1797                          struct snd_ctl_elem_value *ucontrol)
1798 {
1799         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1800         int shift = kcontrol->private_value & 0xff;
1801         int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1802         unsigned int val, nval;
1803 
1804         if (kcontrol->private_value & (1 << 31))
1805                 return -EPERM;
1806         nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1807         snd_ice1712_save_gpio_status(ice);
1808         val = snd_ice1712_gpio_read(ice);
1809         nval |= val & ~(1 << shift);
1810         if (val != nval)
1811                 snd_ice1712_gpio_write(ice, nval);
1812         snd_ice1712_restore_gpio_status(ice);
1813         return val != nval;
1814 }
1815 #endif /* NOT USED YET */
1816 
1817 /*
1818  *  rate
1819  */
1820 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1821                                               struct snd_ctl_elem_info *uinfo)
1822 {
1823         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1824         int hw_rates_count = ice->hw_rates->count;
1825         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1826         uinfo->count = 1;
1827 
1828         uinfo->value.enumerated.items = hw_rates_count + ice->ext_clock_count;
1829         /* upper limit - keep at top */
1830         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1831                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1832         if (uinfo->value.enumerated.item >= hw_rates_count)
1833                 /* ext_clock items */
1834                 strcpy(uinfo->value.enumerated.name,
1835                                 ice->ext_clock_names[
1836                                 uinfo->value.enumerated.item - hw_rates_count]);
1837         else
1838                 /* int clock items */
1839                 sprintf(uinfo->value.enumerated.name, "%d",
1840                         ice->hw_rates->list[uinfo->value.enumerated.item]);
1841         return 0;
1842 }
1843 
1844 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1845                                              struct snd_ctl_elem_value *ucontrol)
1846 {
1847         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1848         unsigned int i, rate;
1849 
1850         spin_lock_irq(&ice->reg_lock);
1851         if (ice->is_spdif_master(ice)) {
1852                 ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1853                         ice->get_spdif_master_type(ice);
1854         } else {
1855                 rate = ice->get_rate(ice);
1856                 ucontrol->value.enumerated.item[0] = 0;
1857                 for (i = 0; i < ice->hw_rates->count; i++) {
1858                         if (ice->hw_rates->list[i] == rate) {
1859                                 ucontrol->value.enumerated.item[0] = i;
1860                                 break;
1861                         }
1862                 }
1863         }
1864         spin_unlock_irq(&ice->reg_lock);
1865         return 0;
1866 }
1867 
1868 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1869 {
1870         /* standard external clock - only single type - SPDIF IN */
1871         return 0;
1872 }
1873 
1874 /* setting clock to external - SPDIF */
1875 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1876 {
1877         unsigned char oval;
1878         unsigned char i2s_oval;
1879         oval = inb(ICEMT1724(ice, RATE));
1880         outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1881         /* setting 256fs */
1882         i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1883         outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1884         return 0;
1885 }
1886 
1887 
1888 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1889                                              struct snd_ctl_elem_value *ucontrol)
1890 {
1891         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1892         unsigned int old_rate, new_rate;
1893         unsigned int item = ucontrol->value.enumerated.item[0];
1894         unsigned int first_ext_clock = ice->hw_rates->count;
1895 
1896         if (item >  first_ext_clock + ice->ext_clock_count - 1)
1897                 return -EINVAL;
1898 
1899         /* if rate = 0 => external clock */
1900         spin_lock_irq(&ice->reg_lock);
1901         if (ice->is_spdif_master(ice))
1902                 old_rate = 0;
1903         else
1904                 old_rate = ice->get_rate(ice);
1905         if (item >= first_ext_clock) {
1906                 /* switching to external clock */
1907                 ice->set_spdif_clock(ice, item - first_ext_clock);
1908                 new_rate = 0;
1909         } else {
1910                 /* internal on-card clock */
1911                 new_rate = ice->hw_rates->list[item];
1912                 ice->pro_rate_default = new_rate;
1913                 spin_unlock_irq(&ice->reg_lock);
1914                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1915                 spin_lock_irq(&ice->reg_lock);
1916         }
1917         spin_unlock_irq(&ice->reg_lock);
1918 
1919         /* the first switch to the ext. clock mode? */
1920         if (old_rate != new_rate && !new_rate) {
1921                 /* notify akm chips as well */
1922                 unsigned int i;
1923                 if (ice->gpio.set_pro_rate)
1924                         ice->gpio.set_pro_rate(ice, 0);
1925                 for (i = 0; i < ice->akm_codecs; i++) {
1926                         if (ice->akm[i].ops.set_rate_val)
1927                                 ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1928                 }
1929         }
1930         return old_rate != new_rate;
1931 }
1932 
1933 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1934         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1935         .name = "Multi Track Internal Clock",
1936         .info = snd_vt1724_pro_internal_clock_info,
1937         .get = snd_vt1724_pro_internal_clock_get,
1938         .put = snd_vt1724_pro_internal_clock_put
1939 };
1940 
1941 #define snd_vt1724_pro_rate_locking_info        snd_ctl_boolean_mono_info
1942 
1943 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1944                                            struct snd_ctl_elem_value *ucontrol)
1945 {
1946         ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1947         return 0;
1948 }
1949 
1950 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1951                                            struct snd_ctl_elem_value *ucontrol)
1952 {
1953         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1954         int change = 0, nval;
1955 
1956         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1957         spin_lock_irq(&ice->reg_lock);
1958         change = PRO_RATE_LOCKED != nval;
1959         PRO_RATE_LOCKED = nval;
1960         spin_unlock_irq(&ice->reg_lock);
1961         return change;
1962 }
1963 
1964 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1965         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1966         .name = "Multi Track Rate Locking",
1967         .info = snd_vt1724_pro_rate_locking_info,
1968         .get = snd_vt1724_pro_rate_locking_get,
1969         .put = snd_vt1724_pro_rate_locking_put
1970 };
1971 
1972 #define snd_vt1724_pro_rate_reset_info          snd_ctl_boolean_mono_info
1973 
1974 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1975                                          struct snd_ctl_elem_value *ucontrol)
1976 {
1977         ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1978         return 0;
1979 }
1980 
1981 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1982                                          struct snd_ctl_elem_value *ucontrol)
1983 {
1984         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1985         int change = 0, nval;
1986 
1987         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1988         spin_lock_irq(&ice->reg_lock);
1989         change = PRO_RATE_RESET != nval;
1990         PRO_RATE_RESET = nval;
1991         spin_unlock_irq(&ice->reg_lock);
1992         return change;
1993 }
1994 
1995 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1996         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1997         .name = "Multi Track Rate Reset",
1998         .info = snd_vt1724_pro_rate_reset_info,
1999         .get = snd_vt1724_pro_rate_reset_get,
2000         .put = snd_vt1724_pro_rate_reset_put
2001 };
2002 
2003 
2004 /*
2005  * routing
2006  */
2007 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2008                                      struct snd_ctl_elem_info *uinfo)
2009 {
2010         static char *texts[] = {
2011                 "PCM Out", /* 0 */
2012                 "H/W In 0", "H/W In 1", /* 1-2 */
2013                 "IEC958 In L", "IEC958 In R", /* 3-4 */
2014         };
2015 
2016         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2017         uinfo->count = 1;
2018         uinfo->value.enumerated.items = 5;
2019         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2020                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2021         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2022         return 0;
2023 }
2024 
2025 static inline int analog_route_shift(int idx)
2026 {
2027         return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2028 }
2029 
2030 static inline int digital_route_shift(int idx)
2031 {
2032         return idx * 3;
2033 }
2034 
2035 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2036 {
2037         unsigned long val;
2038         unsigned char eitem;
2039         static const unsigned char xlate[8] = {
2040                 0, 255, 1, 2, 255, 255, 3, 4,
2041         };
2042 
2043         val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2044         val >>= shift;
2045         val &= 7; /* we now have 3 bits per output */
2046         eitem = xlate[val];
2047         if (eitem == 255) {
2048                 snd_BUG();
2049                 return 0;
2050         }
2051         return eitem;
2052 }
2053 
2054 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2055                                                                 int shift)
2056 {
2057         unsigned int old_val, nval;
2058         int change;
2059         static const unsigned char xroute[8] = {
2060                 0, /* PCM */
2061                 2, /* PSDIN0 Left */
2062                 3, /* PSDIN0 Right */
2063                 6, /* SPDIN Left */
2064                 7, /* SPDIN Right */
2065         };
2066 
2067         nval = xroute[val % 5];
2068         val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2069         val &= ~(0x07 << shift);
2070         val |= nval << shift;
2071         change = val != old_val;
2072         if (change)
2073                 outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2074         return change;
2075 }
2076 
2077 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2078                                            struct snd_ctl_elem_value *ucontrol)
2079 {
2080         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2081         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2082         ucontrol->value.enumerated.item[0] =
2083                 snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2084         return 0;
2085 }
2086 
2087 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2088                                            struct snd_ctl_elem_value *ucontrol)
2089 {
2090         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2091         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2092         return snd_ice1724_put_route_val(ice,
2093                                          ucontrol->value.enumerated.item[0],
2094                                          analog_route_shift(idx));
2095 }
2096 
2097 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2098                                           struct snd_ctl_elem_value *ucontrol)
2099 {
2100         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2101         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2102         ucontrol->value.enumerated.item[0] =
2103                 snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2104         return 0;
2105 }
2106 
2107 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2108                                           struct snd_ctl_elem_value *ucontrol)
2109 {
2110         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2111         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2112         return snd_ice1724_put_route_val(ice,
2113                                          ucontrol->value.enumerated.item[0],
2114                                          digital_route_shift(idx));
2115 }
2116 
2117 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata =
2118 {
2119         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2120         .name = "H/W Playback Route",
2121         .info = snd_vt1724_pro_route_info,
2122         .get = snd_vt1724_pro_route_analog_get,
2123         .put = snd_vt1724_pro_route_analog_put,
2124 };
2125 
2126 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
2127         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2128         .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2129         .info = snd_vt1724_pro_route_info,
2130         .get = snd_vt1724_pro_route_spdif_get,
2131         .put = snd_vt1724_pro_route_spdif_put,
2132         .count = 2,
2133 };
2134 
2135 
2136 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2137                                     struct snd_ctl_elem_info *uinfo)
2138 {
2139         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2140         uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2141         uinfo->value.integer.min = 0;
2142         uinfo->value.integer.max = 255;
2143         return 0;
2144 }
2145 
2146 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2147                                    struct snd_ctl_elem_value *ucontrol)
2148 {
2149         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2150         int idx;
2151 
2152         spin_lock_irq(&ice->reg_lock);
2153         for (idx = 0; idx < 22; idx++) {
2154                 outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2155                 ucontrol->value.integer.value[idx] =
2156                         inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2157         }
2158         spin_unlock_irq(&ice->reg_lock);
2159         return 0;
2160 }
2161 
2162 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
2163         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2164         .name = "Multi Track Peak",
2165         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2166         .info = snd_vt1724_pro_peak_info,
2167         .get = snd_vt1724_pro_peak_get
2168 };
2169 
2170 /*
2171  *
2172  */
2173 
2174 static struct snd_ice1712_card_info no_matched __devinitdata;
2175 
2176 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
2177         snd_vt1724_revo_cards,
2178         snd_vt1724_amp_cards,
2179         snd_vt1724_aureon_cards,
2180         snd_vt1720_mobo_cards,
2181         snd_vt1720_pontis_cards,
2182         snd_vt1724_prodigy_hifi_cards,
2183         snd_vt1724_prodigy192_cards,
2184         snd_vt1724_juli_cards,
2185         snd_vt1724_maya44_cards,
2186         snd_vt1724_phase_cards,
2187         snd_vt1724_wtm_cards,
2188         snd_vt1724_se_cards,
2189         snd_vt1724_qtet_cards,
2190         NULL,
2191 };
2192 
2193 
2194 /*
2195  */
2196 
2197 static void wait_i2c_busy(struct snd_ice1712 *ice)
2198 {
2199         int t = 0x10000;
2200         while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2201                 ;
2202         if (t == -1)
2203                 printk(KERN_ERR "ice1724: i2c busy timeout\n");
2204 }
2205 
2206 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2207                                   unsigned char dev, unsigned char addr)
2208 {
2209         unsigned char val;
2210 
2211         mutex_lock(&ice->i2c_mutex);
2212         wait_i2c_busy(ice);
2213         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2214         outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2215         wait_i2c_busy(ice);
2216         val = inb(ICEREG1724(ice, I2C_DATA));
2217         mutex_unlock(&ice->i2c_mutex);
2218         /*
2219         printk(KERN_DEBUG "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2220         */
2221         return val;
2222 }
2223 
2224 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2225                           unsigned char dev, unsigned char addr, unsigned char data)
2226 {
2227         mutex_lock(&ice->i2c_mutex);
2228         wait_i2c_busy(ice);
2229         /*
2230         printk(KERN_DEBUG "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2231         */
2232         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2233         outb(data, ICEREG1724(ice, I2C_DATA));
2234         outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2235         wait_i2c_busy(ice);
2236         mutex_unlock(&ice->i2c_mutex);
2237 }
2238 
2239 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2240                                             const char *modelname)
2241 {
2242         const int dev = 0xa0;           /* EEPROM device address */
2243         unsigned int i, size;
2244         struct snd_ice1712_card_info * const *tbl, *c;
2245 
2246         if (!modelname || !*modelname) {
2247                 ice->eeprom.subvendor = 0;
2248                 if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2249                         ice->eeprom.subvendor =
2250                                 (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2251                                 (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2252                                 (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2253                                 (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2254                 if (ice->eeprom.subvendor == 0 ||
2255                     ice->eeprom.subvendor == (unsigned int)-1) {
2256                         /* invalid subvendor from EEPROM, try the PCI
2257                          * subststem ID instead
2258                          */
2259                         u16 vendor, device;
2260                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2261                                              &vendor);
2262                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2263                         ice->eeprom.subvendor =
2264                                 ((unsigned int)swab16(vendor) << 16) | swab16(device);
2265                         if (ice->eeprom.subvendor == 0 ||
2266                             ice->eeprom.subvendor == (unsigned int)-1) {
2267                                 printk(KERN_ERR "ice1724: No valid ID is found\n");
2268                                 return -ENXIO;
2269                         }
2270                 }
2271         }
2272         for (tbl = card_tables; *tbl; tbl++) {
2273                 for (c = *tbl; c->subvendor; c++) {
2274                         if (modelname && c->model &&
2275                             !strcmp(modelname, c->model)) {
2276                                 printk(KERN_INFO "ice1724: Using board model %s\n",
2277                                        c->name);
2278                                 ice->eeprom.subvendor = c->subvendor;
2279                         } else if (c->subvendor != ice->eeprom.subvendor)
2280                                 continue;
2281                         if (!c->eeprom_size || !c->eeprom_data)
2282                                 goto found;
2283                         /* if the EEPROM is given by the driver, use it */
2284                         snd_printdd("using the defined eeprom..\n");
2285                         ice->eeprom.version = 2;
2286                         ice->eeprom.size = c->eeprom_size + 6;
2287                         memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2288                         goto read_skipped;
2289                 }
2290         }
2291         printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2292                ice->eeprom.subvendor);
2293 
2294  found:
2295         ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2296         if (ice->eeprom.size < 6)
2297                 ice->eeprom.size = 32;
2298         else if (ice->eeprom.size > 32) {
2299                 printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2300                        ice->eeprom.size);
2301                 return -EIO;
2302         }
2303         ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2304         if (ice->eeprom.version != 2)
2305                 printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2306                        ice->eeprom.version);
2307         size = ice->eeprom.size - 6;
2308         for (i = 0; i < size; i++)
2309                 ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2310 
2311  read_skipped:
2312         ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2313         ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2314         ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2315 
2316         return 0;
2317 }
2318 
2319 
2320 
2321 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2322 {
2323         outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2324         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2325         msleep(10);
2326         outb(0, ICEREG1724(ice, CONTROL));
2327         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2328         msleep(10);
2329 }
2330 
2331 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2332 {
2333         outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2334         outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2335         outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2336         outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2337 
2338         ice->gpio.write_mask = ice->eeprom.gpiomask;
2339         ice->gpio.direction = ice->eeprom.gpiodir;
2340         snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2341         snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2342         snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2343 
2344         outb(0, ICEREG1724(ice, POWERDOWN));
2345 
2346         /* MPU_RX and TX irq masks are cleared later dynamically */
2347         outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2348 
2349         /* don't handle FIFO overrun/underruns (just yet),
2350          * since they cause machine lockups
2351          */
2352         outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2353 
2354         return 0;
2355 }
2356 
2357 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2358 {
2359         int err;
2360         struct snd_kcontrol *kctl;
2361 
2362         if (snd_BUG_ON(!ice->pcm))
2363                 return -EIO;
2364 
2365         if (!ice->own_routing) {
2366                 err = snd_ctl_add(ice->card,
2367                         snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2368                 if (err < 0)
2369                         return err;
2370         }
2371 
2372         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2373         if (err < 0)
2374                 return err;
2375 
2376         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2377         if (err < 0)
2378                 return err;
2379         kctl->id.device = ice->pcm->device;
2380         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2381         if (err < 0)
2382                 return err;
2383         kctl->id.device = ice->pcm->device;
2384         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2385         if (err < 0)
2386                 return err;
2387         kctl->id.device = ice->pcm->device;
2388 #if 0 /* use default only */
2389         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2390         if (err < 0)
2391                 return err;
2392         kctl->id.device = ice->pcm->device;
2393         ice->spdif.stream_ctl = kctl;
2394 #endif
2395         return 0;
2396 }
2397 
2398 
2399 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2400 {
2401         int err;
2402 
2403         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2404         if (err < 0)
2405                 return err;
2406         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2407         if (err < 0)
2408                 return err;
2409 
2410         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2411         if (err < 0)
2412                 return err;
2413         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2414         if (err < 0)
2415                 return err;
2416 
2417         if (!ice->own_routing && ice->num_total_dacs > 0) {
2418                 struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2419                 tmp.count = ice->num_total_dacs;
2420                 if (ice->vt1720 && tmp.count > 2)
2421                         tmp.count = 2;
2422                 err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2423                 if (err < 0)
2424                         return err;
2425         }
2426 
2427         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2428         if (err < 0)
2429                 return err;
2430 
2431         return 0;
2432 }
2433 
2434 static int snd_vt1724_free(struct snd_ice1712 *ice)
2435 {
2436         if (!ice->port)
2437                 goto __hw_end;
2438         /* mask all interrupts */
2439         outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2440         outb(0xff, ICEREG1724(ice, IRQMASK));
2441         /* --- */
2442 __hw_end:
2443         if (ice->irq >= 0)
2444                 free_irq(ice->irq, ice);
2445         pci_release_regions(ice->pci);
2446         snd_ice1712_akm4xxx_free(ice);
2447         pci_disable_device(ice->pci);
2448         kfree(ice->spec);
2449         kfree(ice);
2450         return 0;
2451 }
2452 
2453 static int snd_vt1724_dev_free(struct snd_device *device)
2454 {
2455         struct snd_ice1712 *ice = device->device_data;
2456         return snd_vt1724_free(ice);
2457 }
2458 
2459 static int __devinit snd_vt1724_create(struct snd_card *card,
2460                                        struct pci_dev *pci,
2461                                        const char *modelname,
2462                                        struct snd_ice1712 **r_ice1712)
2463 {
2464         struct snd_ice1712 *ice;
2465         int err;
2466         static struct snd_device_ops ops = {
2467                 .dev_free =     snd_vt1724_dev_free,
2468         };
2469 
2470         *r_ice1712 = NULL;
2471 
2472         /* enable PCI device */
2473         err = pci_enable_device(pci);
2474         if (err < 0)
2475                 return err;
2476 
2477         ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2478         if (ice == NULL) {
2479                 pci_disable_device(pci);
2480                 return -ENOMEM;
2481         }
2482         ice->vt1724 = 1;
2483         spin_lock_init(&ice->reg_lock);
2484         mutex_init(&ice->gpio_mutex);
2485         mutex_init(&ice->open_mutex);
2486         mutex_init(&ice->i2c_mutex);
2487         ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2488         ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2489         ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2490         ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2491         ice->gpio.set_data = snd_vt1724_set_gpio_data;
2492         ice->gpio.get_data = snd_vt1724_get_gpio_data;
2493         ice->card = card;
2494         ice->pci = pci;
2495         ice->irq = -1;
2496         pci_set_master(pci);
2497         snd_vt1724_proc_init(ice);
2498         synchronize_irq(pci->irq);
2499 
2500         card->private_data = ice;
2501 
2502         err = pci_request_regions(pci, "ICE1724");
2503         if (err < 0) {
2504                 kfree(ice);
2505                 pci_disable_device(pci);
2506                 return err;
2507         }
2508         ice->port = pci_resource_start(pci, 0);
2509         ice->profi_port = pci_resource_start(pci, 1);
2510 
2511         if (request_irq(pci->irq, snd_vt1724_interrupt,
2512                         IRQF_SHARED, KBUILD_MODNAME, ice)) {
2513                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2514                 snd_vt1724_free(ice);
2515                 return -EIO;
2516         }
2517 
2518         ice->irq = pci->irq;
2519 
2520         snd_vt1724_chip_reset(ice);
2521         if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2522                 snd_vt1724_free(ice);
2523                 return -EIO;
2524         }
2525         if (snd_vt1724_chip_init(ice) < 0) {
2526                 snd_vt1724_free(ice);
2527                 return -EIO;
2528         }
2529 
2530         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2531         if (err < 0) {
2532                 snd_vt1724_free(ice);
2533                 return err;
2534         }
2535 
2536         snd_card_set_dev(card, &pci->dev);
2537 
2538         *r_ice1712 = ice;
2539         return 0;
2540 }
2541 
2542 
2543 /*
2544  *
2545  * Registration
2546  *
2547  */
2548 
2549 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2550                                       const struct pci_device_id *pci_id)
2551 {
2552         static int dev;
2553         struct snd_card *card;
2554         struct snd_ice1712 *ice;
2555         int pcm_dev = 0, err;
2556         struct snd_ice1712_card_info * const *tbl, *c;
2557 
2558         if (dev >= SNDRV_CARDS)
2559                 return -ENODEV;
2560         if (!enable[dev]) {
2561                 dev++;
2562                 return -ENOENT;
2563         }
2564 
2565         err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2566         if (err < 0)
2567                 return err;
2568 
2569         strcpy(card->driver, "ICE1724");
2570         strcpy(card->shortname, "ICEnsemble ICE1724");
2571 
2572         err = snd_vt1724_create(card, pci, model[dev], &ice);
2573         if (err < 0) {
2574                 snd_card_free(card);
2575                 return err;
2576         }
2577 
2578         /* field init before calling chip_init */
2579         ice->ext_clock_count = 0;
2580 
2581         for (tbl = card_tables; *tbl; tbl++) {
2582                 for (c = *tbl; c->subvendor; c++) {
2583                         if (c->subvendor == ice->eeprom.subvendor) {
2584                                 strcpy(card->shortname, c->name);
2585                                 if (c->driver) /* specific driver? */
2586                                         strcpy(card->driver, c->driver);
2587                                 if (c->chip_init) {
2588                                         err = c->chip_init(ice);
2589                                         if (err < 0) {
2590                                                 snd_card_free(card);
2591                                                 return err;
2592                                         }
2593                                 }
2594                                 goto __found;
2595                         }
2596                 }
2597         }
2598         c = &no_matched;
2599 __found:
2600         /*
2601         * VT1724 has separate DMAs for the analog and the SPDIF streams while
2602         * ICE1712 has only one for both (mixed up).
2603         *
2604         * Confusingly the analog PCM is named "professional" here because it
2605         * was called so in ice1712 driver, and vt1724 driver is derived from
2606         * ice1712 driver.
2607         */
2608         ice->pro_rate_default = PRO_RATE_DEFAULT;
2609         if (!ice->is_spdif_master)
2610                 ice->is_spdif_master = stdclock_is_spdif_master;
2611         if (!ice->get_rate)
2612                 ice->get_rate = stdclock_get_rate;
2613         if (!ice->set_rate)
2614                 ice->set_rate = stdclock_set_rate;
2615         if (!ice->set_mclk)
2616                 ice->set_mclk = stdclock_set_mclk;
2617         if (!ice->set_spdif_clock)
2618                 ice->set_spdif_clock = stdclock_set_spdif_clock;
2619         if (!ice->get_spdif_master_type)
2620                 ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2621         if (!ice->ext_clock_names)
2622                 ice->ext_clock_names = ext_clock_names;
2623         if (!ice->ext_clock_count)
2624                 ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2625 
2626         if (!ice->hw_rates)
2627                 set_std_hw_rates(ice);
2628 
2629         err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2630         if (err < 0) {
2631                 snd_card_free(card);
2632                 return err;
2633         }
2634 
2635         err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2636         if (err < 0) {
2637                 snd_card_free(card);
2638                 return err;
2639         }
2640 
2641         err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2642         if (err < 0) {
2643                 snd_card_free(card);
2644                 return err;
2645         }
2646 
2647         err = snd_vt1724_ac97_mixer(ice);
2648         if (err < 0) {
2649                 snd_card_free(card);
2650                 return err;
2651         }
2652 
2653         err = snd_vt1724_build_controls(ice);
2654         if (err < 0) {
2655                 snd_card_free(card);
2656                 return err;
2657         }
2658 
2659         if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2660                 err = snd_vt1724_spdif_build_controls(ice);
2661                 if (err < 0) {
2662                         snd_card_free(card);
2663                         return err;
2664                 }
2665         }
2666 
2667         if (c->build_controls) {
2668                 err = c->build_controls(ice);
2669                 if (err < 0) {
2670                         snd_card_free(card);
2671                         return err;
2672                 }
2673         }
2674 
2675         if (!c->no_mpu401) {
2676                 if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2677                         struct snd_rawmidi *rmidi;
2678 
2679                         err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2680                         if (err < 0) {
2681                                 snd_card_free(card);
2682                                 return err;
2683                         }
2684                         ice->rmidi[0] = rmidi;
2685                         rmidi->private_data = ice;
2686                         strcpy(rmidi->name, "ICE1724 MIDI");
2687                         rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2688                                             SNDRV_RAWMIDI_INFO_INPUT |
2689                                             SNDRV_RAWMIDI_INFO_DUPLEX;
2690                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2691                                             &vt1724_midi_output_ops);
2692                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2693                                             &vt1724_midi_input_ops);
2694 
2695                         /* set watermarks */
2696                         outb(VT1724_MPU_RX_FIFO | 0x1,
2697                              ICEREG1724(ice, MPU_FIFO_WM));
2698                         outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2699                         /* set UART mode */
2700                         outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2701                 }
2702         }
2703 
2704         sprintf(card->longname, "%s at 0x%lx, irq %i",
2705                 card->shortname, ice->port, ice->irq);
2706 
2707         err = snd_card_register(card);
2708         if (err < 0) {
2709                 snd_card_free(card);
2710                 return err;
2711         }
2712         pci_set_drvdata(pci, card);
2713         dev++;
2714         return 0;
2715 }
2716 
2717 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2718 {
2719         snd_card_free(pci_get_drvdata(pci));
2720         pci_set_drvdata(pci, NULL);
2721 }
2722 
2723 #ifdef CONFIG_PM
2724 static int snd_vt1724_suspend(struct pci_dev *pci, pm_message_t state)
2725 {
2726         struct snd_card *card = pci_get_drvdata(pci);
2727         struct snd_ice1712 *ice = card->private_data;
2728 
2729         if (!ice->pm_suspend_enabled)
2730                 return 0;
2731 
2732         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2733 
2734         snd_pcm_suspend_all(ice->pcm);
2735         snd_pcm_suspend_all(ice->pcm_pro);
2736         snd_pcm_suspend_all(ice->pcm_ds);
2737         snd_ac97_suspend(ice->ac97);
2738 
2739         spin_lock_irq(&ice->reg_lock);
2740         ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2741         ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2742         ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2743         ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2744         spin_unlock_irq(&ice->reg_lock);
2745 
2746         if (ice->pm_suspend)
2747                 ice->pm_suspend(ice);
2748 
2749         pci_disable_device(pci);
2750         pci_save_state(pci);
2751         pci_set_power_state(pci, pci_choose_state(pci, state));
2752         return 0;
2753 }
2754 
2755 static int snd_vt1724_resume(struct pci_dev *pci)
2756 {
2757         struct snd_card *card = pci_get_drvdata(pci);
2758         struct snd_ice1712 *ice = card->private_data;
2759 
2760         if (!ice->pm_suspend_enabled)
2761                 return 0;
2762 
2763         pci_set_power_state(pci, PCI_D0);
2764         pci_restore_state(pci);
2765 
2766         if (pci_enable_device(pci) < 0) {
2767                 snd_card_disconnect(card);
2768                 return -EIO;
2769         }
2770 
2771         pci_set_master(pci);
2772 
2773         snd_vt1724_chip_reset(ice);
2774 
2775         if (snd_vt1724_chip_init(ice) < 0) {
2776                 snd_card_disconnect(card);
2777                 return -EIO;
2778         }
2779 
2780         if (ice->pm_resume)
2781                 ice->pm_resume(ice);
2782 
2783         if (ice->pm_saved_is_spdif_master) {
2784                 /* switching to external clock via SPDIF */
2785                 ice->set_spdif_clock(ice, 0);
2786         } else {
2787                 /* internal on-card clock */
2788                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
2789         }
2790 
2791         update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2792 
2793         outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2794         outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2795 
2796         if (ice->ac97)
2797                 snd_ac97_resume(ice->ac97);
2798 
2799         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2800         return 0;
2801 }
2802 #endif
2803 
2804 static struct pci_driver driver = {
2805         .name = KBUILD_MODNAME,
2806         .id_table = snd_vt1724_ids,
2807         .probe = snd_vt1724_probe,
2808         .remove = __devexit_p(snd_vt1724_remove),
2809 #ifdef CONFIG_PM
2810         .suspend = snd_vt1724_suspend,
2811         .resume = snd_vt1724_resume,
2812 #endif
2813 };
2814 
2815 static int __init alsa_card_ice1724_init(void)
2816 {
2817         return pci_register_driver(&driver);
2818 }
2819 
2820 static void __exit alsa_card_ice1724_exit(void)
2821 {
2822         pci_unregister_driver(&driver);
2823 }
2824 
2825 module_init(alsa_card_ice1724_init)
2826 module_exit(alsa_card_ice1724_exit)
2827 

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