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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/delay.h>
 26 #include <linux/interrupt.h>
 27 #include <linux/init.h>
 28 #include <linux/pci.h>
 29 #include <linux/slab.h>
 30 #include <linux/module.h>
 31 #include <linux/mutex.h>
 32 #include <sound/core.h>
 33 #include <sound/info.h>
 34 #include <sound/rawmidi.h>
 35 #include <sound/initval.h>
 36 
 37 #include <sound/asoundef.h>
 38 
 39 #include "ice1712.h"
 40 #include "envy24ht.h"
 41 
 42 /* lowlevel routines */
 43 #include "amp.h"
 44 #include "revo.h"
 45 #include "aureon.h"
 46 #include "vt1720_mobo.h"
 47 #include "pontis.h"
 48 #include "prodigy192.h"
 49 #include "prodigy_hifi.h"
 50 #include "juli.h"
 51 #include "maya44.h"
 52 #include "phase.h"
 53 #include "wtm.h"
 54 #include "se.h"
 55 #include "quartet.h"
 56 #include "psc724.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 bool 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 const struct pci_device_id 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 const char * const 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         dev_dbg(ice->card->dev, "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         dev_dbg(ice->card->dev, "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 const 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 const 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                         dev_err(ice->card->dev,
434                                 "Too long irq loop, status = 0x%x\n", status);
435                         if (status & VT1724_IRQ_MPU_TX) {
436                                 dev_err(ice->card->dev, "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 const 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 const 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 const 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 const 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         return stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
624 }
625 
626 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
627 {
628         int i;
629         for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
630                 if (stdclock_rate_list[i] == rate) {
631                         outb(i, ICEMT1724(ice, RATE));
632                         return;
633                 }
634         }
635 }
636 
637 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
638                                        unsigned int rate)
639 {
640         unsigned char val, old;
641         /* check MT02 */
642         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
643                 val = old = inb(ICEMT1724(ice, I2S_FORMAT));
644                 if (rate > 96000)
645                         val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
646                 else
647                         val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
648                 if (val != old) {
649                         outb(val, ICEMT1724(ice, I2S_FORMAT));
650                         /* master clock changed */
651                         return 1;
652                 }
653         }
654         /* no change in master clock */
655         return 0;
656 }
657 
658 static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
659                                     int force)
660 {
661         unsigned long flags;
662         unsigned char mclk_change;
663         unsigned int i, old_rate;
664 
665         if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
666                 return -EINVAL;
667 
668         spin_lock_irqsave(&ice->reg_lock, flags);
669         if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
670             (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
671                 /* running? we cannot change the rate now... */
672                 spin_unlock_irqrestore(&ice->reg_lock, flags);
673                 return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
674         }
675         if (!force && is_pro_rate_locked(ice)) {
676                 /* comparing required and current rate - makes sense for
677                  * internal clock only */
678                 spin_unlock_irqrestore(&ice->reg_lock, flags);
679                 return (rate == ice->cur_rate) ? 0 : -EBUSY;
680         }
681 
682         if (force || !ice->is_spdif_master(ice)) {
683                 /* force means the rate was switched by ucontrol, otherwise
684                  * setting clock rate for internal clock mode */
685                 old_rate = ice->get_rate(ice);
686                 if (force || (old_rate != rate))
687                         ice->set_rate(ice, rate);
688                 else if (rate == ice->cur_rate) {
689                         spin_unlock_irqrestore(&ice->reg_lock, flags);
690                         return 0;
691                 }
692         }
693 
694         ice->cur_rate = rate;
695 
696         /* setting master clock */
697         mclk_change = ice->set_mclk(ice, rate);
698 
699         spin_unlock_irqrestore(&ice->reg_lock, flags);
700 
701         if (mclk_change && ice->gpio.i2s_mclk_changed)
702                 ice->gpio.i2s_mclk_changed(ice);
703         if (ice->gpio.set_pro_rate)
704                 ice->gpio.set_pro_rate(ice, rate);
705 
706         /* set up codecs */
707         for (i = 0; i < ice->akm_codecs; i++) {
708                 if (ice->akm[i].ops.set_rate_val)
709                         ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
710         }
711         if (ice->spdif.ops.setup_rate)
712                 ice->spdif.ops.setup_rate(ice, rate);
713 
714         return 0;
715 }
716 
717 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
718                                     struct snd_pcm_hw_params *hw_params)
719 {
720         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
721         int i, chs, err;
722 
723         chs = params_channels(hw_params);
724         mutex_lock(&ice->open_mutex);
725         /* mark surround channels */
726         if (substream == ice->playback_pro_substream) {
727                 /* PDMA0 can be multi-channel up to 8 */
728                 chs = chs / 2 - 1;
729                 for (i = 0; i < chs; i++) {
730                         if (ice->pcm_reserved[i] &&
731                             ice->pcm_reserved[i] != substream) {
732                                 mutex_unlock(&ice->open_mutex);
733                                 return -EBUSY;
734                         }
735                         ice->pcm_reserved[i] = substream;
736                 }
737                 for (; i < 3; i++) {
738                         if (ice->pcm_reserved[i] == substream)
739                                 ice->pcm_reserved[i] = NULL;
740                 }
741         } else {
742                 for (i = 0; i < 3; i++) {
743                         /* check individual playback stream */
744                         if (ice->playback_con_substream_ds[i] == substream) {
745                                 if (ice->pcm_reserved[i] &&
746                                     ice->pcm_reserved[i] != substream) {
747                                         mutex_unlock(&ice->open_mutex);
748                                         return -EBUSY;
749                                 }
750                                 ice->pcm_reserved[i] = substream;
751                                 break;
752                         }
753                 }
754         }
755         mutex_unlock(&ice->open_mutex);
756 
757         err = snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
758         if (err < 0)
759                 return err;
760 
761         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
762 }
763 
764 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
765 {
766         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
767         int i;
768 
769         mutex_lock(&ice->open_mutex);
770         /* unmark surround channels */
771         for (i = 0; i < 3; i++)
772                 if (ice->pcm_reserved[i] == substream)
773                         ice->pcm_reserved[i] = NULL;
774         mutex_unlock(&ice->open_mutex);
775         return snd_pcm_lib_free_pages(substream);
776 }
777 
778 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
779 {
780         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
781         unsigned char val;
782         unsigned int size;
783 
784         spin_lock_irq(&ice->reg_lock);
785         val = (8 - substream->runtime->channels) >> 1;
786         outb(val, ICEMT1724(ice, BURST));
787 
788         outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
789 
790         size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
791         /* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
792         outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
793         outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
794         size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
795         /* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
796         outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
797         outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
798 
799         spin_unlock_irq(&ice->reg_lock);
800 
801         /*
802         dev_dbg(ice->card->dev, "pro prepare: ch = %d, addr = 0x%x, "
803                "buffer = 0x%x, period = 0x%x\n",
804                substream->runtime->channels,
805                (unsigned int)substream->runtime->dma_addr,
806                snd_pcm_lib_buffer_bytes(substream),
807                snd_pcm_lib_period_bytes(substream));
808         */
809         return 0;
810 }
811 
812 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
813 {
814         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
815         size_t ptr;
816 
817         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
818                 return 0;
819 #if 0 /* read PLAYBACK_ADDR */
820         ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
821         if (ptr < substream->runtime->dma_addr) {
822                 dev_dbg(ice->card->dev, "invalid negative ptr\n");
823                 return 0;
824         }
825         ptr -= substream->runtime->dma_addr;
826         ptr = bytes_to_frames(substream->runtime, ptr);
827         if (ptr >= substream->runtime->buffer_size) {
828                 dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
829                            (int)ptr, (int)substream->runtime->period_size);
830                 return 0;
831         }
832 #else /* read PLAYBACK_SIZE */
833         ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
834         ptr = (ptr + 1) << 2;
835         ptr = bytes_to_frames(substream->runtime, ptr);
836         if (!ptr)
837                 ;
838         else if (ptr <= substream->runtime->buffer_size)
839                 ptr = substream->runtime->buffer_size - ptr;
840         else {
841                 dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
842                            (int)ptr, (int)substream->runtime->buffer_size);
843                 ptr = 0;
844         }
845 #endif
846         return ptr;
847 }
848 
849 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
850 {
851         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
852         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
853 
854         spin_lock_irq(&ice->reg_lock);
855         outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
856         outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
857              ice->profi_port + reg->size);
858         outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
859              ice->profi_port + reg->count);
860         spin_unlock_irq(&ice->reg_lock);
861         return 0;
862 }
863 
864 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
865 {
866         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
867         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
868         size_t ptr;
869 
870         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
871                 return 0;
872 #if 0 /* use ADDR register */
873         ptr = inl(ice->profi_port + reg->addr);
874         ptr -= substream->runtime->dma_addr;
875         return bytes_to_frames(substream->runtime, ptr);
876 #else /* use SIZE register */
877         ptr = inw(ice->profi_port + reg->size);
878         ptr = (ptr + 1) << 2;
879         ptr = bytes_to_frames(substream->runtime, ptr);
880         if (!ptr)
881                 ;
882         else if (ptr <= substream->runtime->buffer_size)
883                 ptr = substream->runtime->buffer_size - ptr;
884         else {
885                 dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
886                            (int)ptr, (int)substream->runtime->buffer_size);
887                 ptr = 0;
888         }
889         return ptr;
890 #endif
891 }
892 
893 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
894         .addr = VT1724_MT_PLAYBACK_ADDR,
895         .size = VT1724_MT_PLAYBACK_SIZE,
896         .count = VT1724_MT_PLAYBACK_COUNT,
897         .start = VT1724_PDMA0_START,
898 };
899 
900 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
901         .addr = VT1724_MT_PDMA4_ADDR,
902         .size = VT1724_MT_PDMA4_SIZE,
903         .count = VT1724_MT_PDMA4_COUNT,
904         .start = VT1724_PDMA4_START,
905 };
906 
907 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
908         .addr = VT1724_MT_CAPTURE_ADDR,
909         .size = VT1724_MT_CAPTURE_SIZE,
910         .count = VT1724_MT_CAPTURE_COUNT,
911         .start = VT1724_RDMA0_START,
912 };
913 
914 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
915         .addr = VT1724_MT_RDMA1_ADDR,
916         .size = VT1724_MT_RDMA1_SIZE,
917         .count = VT1724_MT_RDMA1_COUNT,
918         .start = VT1724_RDMA1_START,
919 };
920 
921 #define vt1724_playback_pro_reg vt1724_pdma0_reg
922 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
923 #define vt1724_capture_pro_reg vt1724_rdma0_reg
924 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
925 
926 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
927         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
928                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
929                                  SNDRV_PCM_INFO_MMAP_VALID |
930                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
931         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
932         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
933         .rate_min =             8000,
934         .rate_max =             192000,
935         .channels_min =         2,
936         .channels_max =         8,
937         .buffer_bytes_max =     (1UL << 21),    /* 19bits dword */
938         .period_bytes_min =     8 * 4 * 2,      /* FIXME: constraints needed */
939         .period_bytes_max =     (1UL << 21),
940         .periods_min =          2,
941         .periods_max =          1024,
942 };
943 
944 static const struct snd_pcm_hardware snd_vt1724_spdif = {
945         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
946                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
947                                  SNDRV_PCM_INFO_MMAP_VALID |
948                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
949         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
950         .rates =                (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
951                                  SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
952                                  SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
953                                  SNDRV_PCM_RATE_192000),
954         .rate_min =             32000,
955         .rate_max =             192000,
956         .channels_min =         2,
957         .channels_max =         2,
958         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
959         .period_bytes_min =     2 * 4 * 2,
960         .period_bytes_max =     (1UL << 18),
961         .periods_min =          2,
962         .periods_max =          1024,
963 };
964 
965 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
966         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
967                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
968                                  SNDRV_PCM_INFO_MMAP_VALID |
969                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
970         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
971         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
972         .rate_min =             8000,
973         .rate_max =             192000,
974         .channels_min =         2,
975         .channels_max =         2,
976         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
977         .period_bytes_min =     2 * 4 * 2,
978         .period_bytes_max =     (1UL << 18),
979         .periods_min =          2,
980         .periods_max =          1024,
981 };
982 
983 /*
984  * set rate constraints
985  */
986 static void set_std_hw_rates(struct snd_ice1712 *ice)
987 {
988         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
989                 /* I2S */
990                 /* VT1720 doesn't support more than 96kHz */
991                 if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
992                         ice->hw_rates = &hw_constraints_rates_192;
993                 else
994                         ice->hw_rates = &hw_constraints_rates_96;
995         } else {
996                 /* ACLINK */
997                 ice->hw_rates = &hw_constraints_rates_48;
998         }
999 }
1000 
1001 static int set_rate_constraints(struct snd_ice1712 *ice,
1002                                 struct snd_pcm_substream *substream)
1003 {
1004         struct snd_pcm_runtime *runtime = substream->runtime;
1005 
1006         runtime->hw.rate_min = ice->hw_rates->list[0];
1007         runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
1008         runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
1009         return snd_pcm_hw_constraint_list(runtime, 0,
1010                                           SNDRV_PCM_HW_PARAM_RATE,
1011                                           ice->hw_rates);
1012 }
1013 
1014 /* if the card has the internal rate locked (is_pro_locked), limit runtime
1015    hw rates to the current internal rate only.
1016 */
1017 static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
1018 {
1019         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1020         struct snd_pcm_runtime *runtime = substream->runtime;
1021         unsigned int rate;
1022         if (is_pro_rate_locked(ice)) {
1023                 rate = ice->get_rate(ice);
1024                 if (rate >= runtime->hw.rate_min
1025                     && rate <= runtime->hw.rate_max) {
1026                         runtime->hw.rate_min = rate;
1027                         runtime->hw.rate_max = rate;
1028                 }
1029         }
1030 }
1031 
1032 
1033 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1034  * actually used
1035  */
1036 #define VT1724_BUFFER_ALIGN     0x20
1037 
1038 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1039 {
1040         struct snd_pcm_runtime *runtime = substream->runtime;
1041         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1042         int chs, num_indeps;
1043 
1044         runtime->private_data = (void *)&vt1724_playback_pro_reg;
1045         ice->playback_pro_substream = substream;
1046         runtime->hw = snd_vt1724_playback_pro;
1047         snd_pcm_set_sync(substream);
1048         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1049         set_rate_constraints(ice, substream);
1050         mutex_lock(&ice->open_mutex);
1051         /* calculate the currently available channels */
1052         num_indeps = ice->num_total_dacs / 2 - 1;
1053         for (chs = 0; chs < num_indeps; chs++) {
1054                 if (ice->pcm_reserved[chs])
1055                         break;
1056         }
1057         chs = (chs + 1) * 2;
1058         runtime->hw.channels_max = chs;
1059         if (chs > 2) /* channels must be even */
1060                 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1061         mutex_unlock(&ice->open_mutex);
1062         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1063                                    VT1724_BUFFER_ALIGN);
1064         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1065                                    VT1724_BUFFER_ALIGN);
1066         constrain_rate_if_locked(substream);
1067         if (ice->pro_open)
1068                 ice->pro_open(ice, substream);
1069         return 0;
1070 }
1071 
1072 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1073 {
1074         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1075         struct snd_pcm_runtime *runtime = substream->runtime;
1076 
1077         runtime->private_data = (void *)&vt1724_capture_pro_reg;
1078         ice->capture_pro_substream = substream;
1079         runtime->hw = snd_vt1724_2ch_stereo;
1080         snd_pcm_set_sync(substream);
1081         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1082         set_rate_constraints(ice, substream);
1083         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1084                                    VT1724_BUFFER_ALIGN);
1085         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1086                                    VT1724_BUFFER_ALIGN);
1087         constrain_rate_if_locked(substream);
1088         if (ice->pro_open)
1089                 ice->pro_open(ice, substream);
1090         return 0;
1091 }
1092 
1093 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1094 {
1095         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1096 
1097         if (PRO_RATE_RESET)
1098                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1099         ice->playback_pro_substream = NULL;
1100 
1101         return 0;
1102 }
1103 
1104 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1105 {
1106         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1107 
1108         if (PRO_RATE_RESET)
1109                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1110         ice->capture_pro_substream = NULL;
1111         return 0;
1112 }
1113 
1114 static const struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1115         .open =         snd_vt1724_playback_pro_open,
1116         .close =        snd_vt1724_playback_pro_close,
1117         .ioctl =        snd_pcm_lib_ioctl,
1118         .hw_params =    snd_vt1724_pcm_hw_params,
1119         .hw_free =      snd_vt1724_pcm_hw_free,
1120         .prepare =      snd_vt1724_playback_pro_prepare,
1121         .trigger =      snd_vt1724_pcm_trigger,
1122         .pointer =      snd_vt1724_playback_pro_pointer,
1123 };
1124 
1125 static const struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1126         .open =         snd_vt1724_capture_pro_open,
1127         .close =        snd_vt1724_capture_pro_close,
1128         .ioctl =        snd_pcm_lib_ioctl,
1129         .hw_params =    snd_vt1724_pcm_hw_params,
1130         .hw_free =      snd_vt1724_pcm_hw_free,
1131         .prepare =      snd_vt1724_pcm_prepare,
1132         .trigger =      snd_vt1724_pcm_trigger,
1133         .pointer =      snd_vt1724_pcm_pointer,
1134 };
1135 
1136 static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1137 {
1138         struct snd_pcm *pcm;
1139         int capt, err;
1140 
1141         if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1142             VT1724_CFG_ADC_NONE)
1143                 capt = 0;
1144         else
1145                 capt = 1;
1146         err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1147         if (err < 0)
1148                 return err;
1149 
1150         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1151         if (capt)
1152                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1153                         &snd_vt1724_capture_pro_ops);
1154 
1155         pcm->private_data = ice;
1156         pcm->info_flags = 0;
1157         strcpy(pcm->name, "ICE1724");
1158 
1159         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1160                                               snd_dma_pci_data(ice->pci),
1161                                               256*1024, 256*1024);
1162 
1163         ice->pcm_pro = pcm;
1164 
1165         return 0;
1166 }
1167 
1168 
1169 /*
1170  * SPDIF PCM
1171  */
1172 
1173 /* update spdif control bits; call with reg_lock */
1174 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1175 {
1176         unsigned char cbit, disabled;
1177 
1178         cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1179         disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1180         if (cbit != disabled)
1181                 outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1182         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1183         if (cbit != disabled)
1184                 outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1185         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1186 }
1187 
1188 /* update SPDIF control bits according to the given rate */
1189 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1190 {
1191         unsigned int val, nval;
1192         unsigned long flags;
1193 
1194         spin_lock_irqsave(&ice->reg_lock, flags);
1195         nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1196         nval &= ~(7 << 12);
1197         switch (rate) {
1198         case 44100: break;
1199         case 48000: nval |= 2 << 12; break;
1200         case 32000: nval |= 3 << 12; break;
1201         case 88200: nval |= 4 << 12; break;
1202         case 96000: nval |= 5 << 12; break;
1203         case 192000: nval |= 6 << 12; break;
1204         case 176400: nval |= 7 << 12; break;
1205         }
1206         if (val != nval)
1207                 update_spdif_bits(ice, nval);
1208         spin_unlock_irqrestore(&ice->reg_lock, flags);
1209 }
1210 
1211 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1212 {
1213         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1214         if (!ice->force_pdma4)
1215                 update_spdif_rate(ice, substream->runtime->rate);
1216         return snd_vt1724_pcm_prepare(substream);
1217 }
1218 
1219 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1220 {
1221         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1222         struct snd_pcm_runtime *runtime = substream->runtime;
1223 
1224         runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1225         ice->playback_con_substream = substream;
1226         if (ice->force_pdma4) {
1227                 runtime->hw = snd_vt1724_2ch_stereo;
1228                 set_rate_constraints(ice, substream);
1229         } else
1230                 runtime->hw = snd_vt1724_spdif;
1231         snd_pcm_set_sync(substream);
1232         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1233         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1234                                    VT1724_BUFFER_ALIGN);
1235         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1236                                    VT1724_BUFFER_ALIGN);
1237         constrain_rate_if_locked(substream);
1238         if (ice->spdif.ops.open)
1239                 ice->spdif.ops.open(ice, substream);
1240         return 0;
1241 }
1242 
1243 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1244 {
1245         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1246 
1247         if (PRO_RATE_RESET)
1248                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1249         ice->playback_con_substream = NULL;
1250         if (ice->spdif.ops.close)
1251                 ice->spdif.ops.close(ice, substream);
1252 
1253         return 0;
1254 }
1255 
1256 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1257 {
1258         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1259         struct snd_pcm_runtime *runtime = substream->runtime;
1260 
1261         runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1262         ice->capture_con_substream = substream;
1263         if (ice->force_rdma1) {
1264                 runtime->hw = snd_vt1724_2ch_stereo;
1265                 set_rate_constraints(ice, substream);
1266         } else
1267                 runtime->hw = snd_vt1724_spdif;
1268         snd_pcm_set_sync(substream);
1269         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1270         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1271                                    VT1724_BUFFER_ALIGN);
1272         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1273                                    VT1724_BUFFER_ALIGN);
1274         constrain_rate_if_locked(substream);
1275         if (ice->spdif.ops.open)
1276                 ice->spdif.ops.open(ice, substream);
1277         return 0;
1278 }
1279 
1280 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1281 {
1282         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1283 
1284         if (PRO_RATE_RESET)
1285                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1286         ice->capture_con_substream = NULL;
1287         if (ice->spdif.ops.close)
1288                 ice->spdif.ops.close(ice, substream);
1289 
1290         return 0;
1291 }
1292 
1293 static const struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1294         .open =         snd_vt1724_playback_spdif_open,
1295         .close =        snd_vt1724_playback_spdif_close,
1296         .ioctl =        snd_pcm_lib_ioctl,
1297         .hw_params =    snd_vt1724_pcm_hw_params,
1298         .hw_free =      snd_vt1724_pcm_hw_free,
1299         .prepare =      snd_vt1724_playback_spdif_prepare,
1300         .trigger =      snd_vt1724_pcm_trigger,
1301         .pointer =      snd_vt1724_pcm_pointer,
1302 };
1303 
1304 static const struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1305         .open =         snd_vt1724_capture_spdif_open,
1306         .close =        snd_vt1724_capture_spdif_close,
1307         .ioctl =        snd_pcm_lib_ioctl,
1308         .hw_params =    snd_vt1724_pcm_hw_params,
1309         .hw_free =      snd_vt1724_pcm_hw_free,
1310         .prepare =      snd_vt1724_pcm_prepare,
1311         .trigger =      snd_vt1724_pcm_trigger,
1312         .pointer =      snd_vt1724_pcm_pointer,
1313 };
1314 
1315 
1316 static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1317 {
1318         char *name;
1319         struct snd_pcm *pcm;
1320         int play, capt;
1321         int err;
1322 
1323         if (ice->force_pdma4 ||
1324             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1325                 play = 1;
1326                 ice->has_spdif = 1;
1327         } else
1328                 play = 0;
1329         if (ice->force_rdma1 ||
1330             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1331                 capt = 1;
1332                 ice->has_spdif = 1;
1333         } else
1334                 capt = 0;
1335         if (!play && !capt)
1336                 return 0; /* no spdif device */
1337 
1338         if (ice->force_pdma4 || ice->force_rdma1)
1339                 name = "ICE1724 Secondary";
1340         else
1341                 name = "ICE1724 IEC958";
1342         err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1343         if (err < 0)
1344                 return err;
1345 
1346         if (play)
1347                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1348                                 &snd_vt1724_playback_spdif_ops);
1349         if (capt)
1350                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1351                                 &snd_vt1724_capture_spdif_ops);
1352 
1353         pcm->private_data = ice;
1354         pcm->info_flags = 0;
1355         strcpy(pcm->name, name);
1356 
1357         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1358                                               snd_dma_pci_data(ice->pci),
1359                                               256*1024, 256*1024);
1360 
1361         ice->pcm = pcm;
1362 
1363         return 0;
1364 }
1365 
1366 
1367 /*
1368  * independent surround PCMs
1369  */
1370 
1371 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1372         {
1373                 .addr = VT1724_MT_PDMA1_ADDR,
1374                 .size = VT1724_MT_PDMA1_SIZE,
1375                 .count = VT1724_MT_PDMA1_COUNT,
1376                 .start = VT1724_PDMA1_START,
1377         },
1378         {
1379                 .addr = VT1724_MT_PDMA2_ADDR,
1380                 .size = VT1724_MT_PDMA2_SIZE,
1381                 .count = VT1724_MT_PDMA2_COUNT,
1382                 .start = VT1724_PDMA2_START,
1383         },
1384         {
1385                 .addr = VT1724_MT_PDMA3_ADDR,
1386                 .size = VT1724_MT_PDMA3_SIZE,
1387                 .count = VT1724_MT_PDMA3_COUNT,
1388                 .start = VT1724_PDMA3_START,
1389         },
1390 };
1391 
1392 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1393 {
1394         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1395         unsigned char val;
1396 
1397         spin_lock_irq(&ice->reg_lock);
1398         val = 3 - substream->number;
1399         if (inb(ICEMT1724(ice, BURST)) < val)
1400                 outb(val, ICEMT1724(ice, BURST));
1401         spin_unlock_irq(&ice->reg_lock);
1402         return snd_vt1724_pcm_prepare(substream);
1403 }
1404 
1405 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1406 {
1407         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1408         struct snd_pcm_runtime *runtime = substream->runtime;
1409 
1410         mutex_lock(&ice->open_mutex);
1411         /* already used by PDMA0? */
1412         if (ice->pcm_reserved[substream->number]) {
1413                 mutex_unlock(&ice->open_mutex);
1414                 return -EBUSY; /* FIXME: should handle blocking mode properly */
1415         }
1416         mutex_unlock(&ice->open_mutex);
1417         runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1418         ice->playback_con_substream_ds[substream->number] = substream;
1419         runtime->hw = snd_vt1724_2ch_stereo;
1420         snd_pcm_set_sync(substream);
1421         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1422         set_rate_constraints(ice, substream);
1423         return 0;
1424 }
1425 
1426 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1427 {
1428         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1429 
1430         if (PRO_RATE_RESET)
1431                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1432         ice->playback_con_substream_ds[substream->number] = NULL;
1433         ice->pcm_reserved[substream->number] = NULL;
1434 
1435         return 0;
1436 }
1437 
1438 static const struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1439         .open =         snd_vt1724_playback_indep_open,
1440         .close =        snd_vt1724_playback_indep_close,
1441         .ioctl =        snd_pcm_lib_ioctl,
1442         .hw_params =    snd_vt1724_pcm_hw_params,
1443         .hw_free =      snd_vt1724_pcm_hw_free,
1444         .prepare =      snd_vt1724_playback_indep_prepare,
1445         .trigger =      snd_vt1724_pcm_trigger,
1446         .pointer =      snd_vt1724_pcm_pointer,
1447 };
1448 
1449 
1450 static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1451 {
1452         struct snd_pcm *pcm;
1453         int play;
1454         int err;
1455 
1456         play = ice->num_total_dacs / 2 - 1;
1457         if (play <= 0)
1458                 return 0;
1459 
1460         err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1461         if (err < 0)
1462                 return err;
1463 
1464         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1465                         &snd_vt1724_playback_indep_ops);
1466 
1467         pcm->private_data = ice;
1468         pcm->info_flags = 0;
1469         strcpy(pcm->name, "ICE1724 Surround PCM");
1470 
1471         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1472                                               snd_dma_pci_data(ice->pci),
1473                                               256*1024, 256*1024);
1474 
1475         ice->pcm_ds = pcm;
1476 
1477         return 0;
1478 }
1479 
1480 
1481 /*
1482  *  Mixer section
1483  */
1484 
1485 static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1486 {
1487         int err;
1488 
1489         if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1490                 struct snd_ac97_bus *pbus;
1491                 struct snd_ac97_template ac97;
1492                 static struct snd_ac97_bus_ops ops = {
1493                         .write = snd_vt1724_ac97_write,
1494                         .read = snd_vt1724_ac97_read,
1495                 };
1496 
1497                 /* cold reset */
1498                 outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1499                 mdelay(5); /* FIXME */
1500                 outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1501 
1502                 err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1503                 if (err < 0)
1504                         return err;
1505                 memset(&ac97, 0, sizeof(ac97));
1506                 ac97.private_data = ice;
1507                 err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1508                 if (err < 0)
1509                         dev_warn(ice->card->dev,
1510                                  "cannot initialize pro ac97, skipped\n");
1511                 else
1512                         return 0;
1513         }
1514         /* I2S mixer only */
1515         strcat(ice->card->mixername, "ICE1724 - multitrack");
1516         return 0;
1517 }
1518 
1519 /*
1520  *
1521  */
1522 
1523 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1524 {
1525         return (unsigned int)ice->eeprom.data[idx] | \
1526                 ((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1527                 ((unsigned int)ice->eeprom.data[idx + 2] << 16);
1528 }
1529 
1530 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1531                                  struct snd_info_buffer *buffer)
1532 {
1533         struct snd_ice1712 *ice = entry->private_data;
1534         unsigned int idx;
1535 
1536         snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1537         snd_iprintf(buffer, "EEPROM:\n");
1538 
1539         snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1540         snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1541         snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1542         snd_iprintf(buffer, "  System Config    : 0x%x\n",
1543                     ice->eeprom.data[ICE_EEP2_SYSCONF]);
1544         snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1545                     ice->eeprom.data[ICE_EEP2_ACLINK]);
1546         snd_iprintf(buffer, "  I2S              : 0x%x\n",
1547                     ice->eeprom.data[ICE_EEP2_I2S]);
1548         snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1549                     ice->eeprom.data[ICE_EEP2_SPDIF]);
1550         snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1551                     ice->eeprom.gpiodir);
1552         snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1553                     ice->eeprom.gpiomask);
1554         snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1555                     ice->eeprom.gpiostate);
1556         for (idx = 0x12; idx < ice->eeprom.size; idx++)
1557                 snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1558                             idx, ice->eeprom.data[idx]);
1559 
1560         snd_iprintf(buffer, "\nRegisters:\n");
1561 
1562         snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1563                     (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1564         for (idx = 0x0; idx < 0x20 ; idx++)
1565                 snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1566                             idx, inb(ice->port+idx));
1567         for (idx = 0x0; idx < 0x30 ; idx++)
1568                 snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1569                             idx, inb(ice->profi_port+idx));
1570 }
1571 
1572 static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1573 {
1574         snd_card_ro_proc_new(ice->card, "ice1724", ice, snd_vt1724_proc_read);
1575 }
1576 
1577 /*
1578  *
1579  */
1580 
1581 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1582                                   struct snd_ctl_elem_info *uinfo)
1583 {
1584         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1585         uinfo->count = sizeof(struct snd_ice1712_eeprom);
1586         return 0;
1587 }
1588 
1589 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1590                                  struct snd_ctl_elem_value *ucontrol)
1591 {
1592         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1593 
1594         memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1595         return 0;
1596 }
1597 
1598 static const struct snd_kcontrol_new snd_vt1724_eeprom = {
1599         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1600         .name = "ICE1724 EEPROM",
1601         .access = SNDRV_CTL_ELEM_ACCESS_READ,
1602         .info = snd_vt1724_eeprom_info,
1603         .get = snd_vt1724_eeprom_get
1604 };
1605 
1606 /*
1607  */
1608 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1609                                  struct snd_ctl_elem_info *uinfo)
1610 {
1611         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1612         uinfo->count = 1;
1613         return 0;
1614 }
1615 
1616 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1617 {
1618         unsigned int val, rbits;
1619 
1620         val = diga->status[0] & 0x03; /* professional, non-audio */
1621         if (val & 0x01) {
1622                 /* professional */
1623                 if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1624                     IEC958_AES0_PRO_EMPHASIS_5015)
1625                         val |= 1U << 3;
1626                 rbits = (diga->status[4] >> 3) & 0x0f;
1627                 if (rbits) {
1628                         switch (rbits) {
1629                         case 2: val |= 5 << 12; break; /* 96k */
1630                         case 3: val |= 6 << 12; break; /* 192k */
1631                         case 10: val |= 4 << 12; break; /* 88.2k */
1632                         case 11: val |= 7 << 12; break; /* 176.4k */
1633                         }
1634                 } else {
1635                         switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1636                         case IEC958_AES0_PRO_FS_44100:
1637                                 break;
1638                         case IEC958_AES0_PRO_FS_32000:
1639                                 val |= 3U << 12;
1640                                 break;
1641                         default:
1642                                 val |= 2U << 12;
1643                                 break;
1644                         }
1645                 }
1646         } else {
1647                 /* consumer */
1648                 val |= diga->status[1] & 0x04; /* copyright */
1649                 if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1650                     IEC958_AES0_CON_EMPHASIS_5015)
1651                         val |= 1U << 3;
1652                 val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1653                 val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1654         }
1655         return val;
1656 }
1657 
1658 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1659 {
1660         memset(diga->status, 0, sizeof(diga->status));
1661         diga->status[0] = val & 0x03; /* professional, non-audio */
1662         if (val & 0x01) {
1663                 /* professional */
1664                 if (val & (1U << 3))
1665                         diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1666                 switch ((val >> 12) & 0x7) {
1667                 case 0:
1668                         break;
1669                 case 2:
1670                         diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1671                         break;
1672                 default:
1673                         diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1674                         break;
1675                 }
1676         } else {
1677                 /* consumer */
1678                 diga->status[0] |= val & (1U << 2); /* copyright */
1679                 if (val & (1U << 3))
1680                         diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1681                 diga->status[1] |= (val >> 4) & 0x3f; /* category */
1682                 diga->status[3] |= (val >> 12) & 0x07; /* fs */
1683         }
1684 }
1685 
1686 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1687                                         struct snd_ctl_elem_value *ucontrol)
1688 {
1689         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1690         unsigned int val;
1691         val = inw(ICEMT1724(ice, SPDIF_CTRL));
1692         decode_spdif_bits(&ucontrol->value.iec958, val);
1693         return 0;
1694 }
1695 
1696 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1697                                          struct snd_ctl_elem_value *ucontrol)
1698 {
1699         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1700         unsigned int val, old;
1701 
1702         val = encode_spdif_bits(&ucontrol->value.iec958);
1703         spin_lock_irq(&ice->reg_lock);
1704         old = inw(ICEMT1724(ice, SPDIF_CTRL));
1705         if (val != old)
1706                 update_spdif_bits(ice, val);
1707         spin_unlock_irq(&ice->reg_lock);
1708         return val != old;
1709 }
1710 
1711 static const struct snd_kcontrol_new snd_vt1724_spdif_default =
1712 {
1713         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1714         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1715         .info =         snd_vt1724_spdif_info,
1716         .get =          snd_vt1724_spdif_default_get,
1717         .put =          snd_vt1724_spdif_default_put
1718 };
1719 
1720 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1721                                        struct snd_ctl_elem_value *ucontrol)
1722 {
1723         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1724                                                      IEC958_AES0_PROFESSIONAL |
1725                                                      IEC958_AES0_CON_NOT_COPYRIGHT |
1726                                                      IEC958_AES0_CON_EMPHASIS;
1727         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1728                                                      IEC958_AES1_CON_CATEGORY;
1729         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1730         return 0;
1731 }
1732 
1733 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1734                                        struct snd_ctl_elem_value *ucontrol)
1735 {
1736         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1737                                                      IEC958_AES0_PROFESSIONAL |
1738                                                      IEC958_AES0_PRO_FS |
1739                                                      IEC958_AES0_PRO_EMPHASIS;
1740         return 0;
1741 }
1742 
1743 static const struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1744 {
1745         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1746         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1747         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1748         .info =         snd_vt1724_spdif_info,
1749         .get =          snd_vt1724_spdif_maskc_get,
1750 };
1751 
1752 static const struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1753 {
1754         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1755         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1756         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1757         .info =         snd_vt1724_spdif_info,
1758         .get =          snd_vt1724_spdif_maskp_get,
1759 };
1760 
1761 #define snd_vt1724_spdif_sw_info                snd_ctl_boolean_mono_info
1762 
1763 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1764                                    struct snd_ctl_elem_value *ucontrol)
1765 {
1766         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1767         ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1768                 VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1769         return 0;
1770 }
1771 
1772 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1773                                    struct snd_ctl_elem_value *ucontrol)
1774 {
1775         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1776         unsigned char old, val;
1777 
1778         spin_lock_irq(&ice->reg_lock);
1779         old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1780         val &= ~VT1724_CFG_SPDIF_OUT_EN;
1781         if (ucontrol->value.integer.value[0])
1782                 val |= VT1724_CFG_SPDIF_OUT_EN;
1783         if (old != val)
1784                 outb(val, ICEREG1724(ice, SPDIF_CFG));
1785         spin_unlock_irq(&ice->reg_lock);
1786         return old != val;
1787 }
1788 
1789 static const struct snd_kcontrol_new snd_vt1724_spdif_switch =
1790 {
1791         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1792         /* FIXME: the following conflict with IEC958 Playback Route */
1793         /* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1794         .name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1795         .info =         snd_vt1724_spdif_sw_info,
1796         .get =          snd_vt1724_spdif_sw_get,
1797         .put =          snd_vt1724_spdif_sw_put
1798 };
1799 
1800 
1801 #if 0 /* NOT USED YET */
1802 /*
1803  * GPIO access from extern
1804  */
1805 
1806 #define snd_vt1724_gpio_info            snd_ctl_boolean_mono_info
1807 
1808 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1809                         struct snd_ctl_elem_value *ucontrol)
1810 {
1811         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1812         int shift = kcontrol->private_value & 0xff;
1813         int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1814 
1815         snd_ice1712_save_gpio_status(ice);
1816         ucontrol->value.integer.value[0] =
1817                 (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1818         snd_ice1712_restore_gpio_status(ice);
1819         return 0;
1820 }
1821 
1822 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1823                          struct snd_ctl_elem_value *ucontrol)
1824 {
1825         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1826         int shift = kcontrol->private_value & 0xff;
1827         int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1828         unsigned int val, nval;
1829 
1830         if (kcontrol->private_value & (1 << 31))
1831                 return -EPERM;
1832         nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1833         snd_ice1712_save_gpio_status(ice);
1834         val = snd_ice1712_gpio_read(ice);
1835         nval |= val & ~(1 << shift);
1836         if (val != nval)
1837                 snd_ice1712_gpio_write(ice, nval);
1838         snd_ice1712_restore_gpio_status(ice);
1839         return val != nval;
1840 }
1841 #endif /* NOT USED YET */
1842 
1843 /*
1844  *  rate
1845  */
1846 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1847                                               struct snd_ctl_elem_info *uinfo)
1848 {
1849         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1850         int hw_rates_count = ice->hw_rates->count;
1851         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1852         uinfo->count = 1;
1853 
1854         /* internal clocks */
1855         uinfo->value.enumerated.items = hw_rates_count;
1856         /* external clocks */
1857         if (ice->force_rdma1 ||
1858             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1859                 uinfo->value.enumerated.items += ice->ext_clock_count;
1860         /* upper limit - keep at top */
1861         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1862                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1863         if (uinfo->value.enumerated.item >= hw_rates_count)
1864                 /* ext_clock items */
1865                 strcpy(uinfo->value.enumerated.name,
1866                                 ice->ext_clock_names[
1867                                 uinfo->value.enumerated.item - hw_rates_count]);
1868         else
1869                 /* int clock items */
1870                 sprintf(uinfo->value.enumerated.name, "%d",
1871                         ice->hw_rates->list[uinfo->value.enumerated.item]);
1872         return 0;
1873 }
1874 
1875 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1876                                              struct snd_ctl_elem_value *ucontrol)
1877 {
1878         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1879         unsigned int i, rate;
1880 
1881         spin_lock_irq(&ice->reg_lock);
1882         if (ice->is_spdif_master(ice)) {
1883                 ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1884                         ice->get_spdif_master_type(ice);
1885         } else {
1886                 rate = ice->get_rate(ice);
1887                 ucontrol->value.enumerated.item[0] = 0;
1888                 for (i = 0; i < ice->hw_rates->count; i++) {
1889                         if (ice->hw_rates->list[i] == rate) {
1890                                 ucontrol->value.enumerated.item[0] = i;
1891                                 break;
1892                         }
1893                 }
1894         }
1895         spin_unlock_irq(&ice->reg_lock);
1896         return 0;
1897 }
1898 
1899 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1900 {
1901         /* standard external clock - only single type - SPDIF IN */
1902         return 0;
1903 }
1904 
1905 /* setting clock to external - SPDIF */
1906 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1907 {
1908         unsigned char oval;
1909         unsigned char i2s_oval;
1910         oval = inb(ICEMT1724(ice, RATE));
1911         outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1912         /* setting 256fs */
1913         i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1914         outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1915         return 0;
1916 }
1917 
1918 
1919 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1920                                              struct snd_ctl_elem_value *ucontrol)
1921 {
1922         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1923         unsigned int old_rate, new_rate;
1924         unsigned int item = ucontrol->value.enumerated.item[0];
1925         unsigned int first_ext_clock = ice->hw_rates->count;
1926 
1927         if (item >  first_ext_clock + ice->ext_clock_count - 1)
1928                 return -EINVAL;
1929 
1930         /* if rate = 0 => external clock */
1931         spin_lock_irq(&ice->reg_lock);
1932         if (ice->is_spdif_master(ice))
1933                 old_rate = 0;
1934         else
1935                 old_rate = ice->get_rate(ice);
1936         if (item >= first_ext_clock) {
1937                 /* switching to external clock */
1938                 ice->set_spdif_clock(ice, item - first_ext_clock);
1939                 new_rate = 0;
1940         } else {
1941                 /* internal on-card clock */
1942                 new_rate = ice->hw_rates->list[item];
1943                 ice->pro_rate_default = new_rate;
1944                 spin_unlock_irq(&ice->reg_lock);
1945                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1946                 spin_lock_irq(&ice->reg_lock);
1947         }
1948         spin_unlock_irq(&ice->reg_lock);
1949 
1950         /* the first switch to the ext. clock mode? */
1951         if (old_rate != new_rate && !new_rate) {
1952                 /* notify akm chips as well */
1953                 unsigned int i;
1954                 if (ice->gpio.set_pro_rate)
1955                         ice->gpio.set_pro_rate(ice, 0);
1956                 for (i = 0; i < ice->akm_codecs; i++) {
1957                         if (ice->akm[i].ops.set_rate_val)
1958                                 ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1959                 }
1960         }
1961         return old_rate != new_rate;
1962 }
1963 
1964 static const struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1965         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1966         .name = "Multi Track Internal Clock",
1967         .info = snd_vt1724_pro_internal_clock_info,
1968         .get = snd_vt1724_pro_internal_clock_get,
1969         .put = snd_vt1724_pro_internal_clock_put
1970 };
1971 
1972 #define snd_vt1724_pro_rate_locking_info        snd_ctl_boolean_mono_info
1973 
1974 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1975                                            struct snd_ctl_elem_value *ucontrol)
1976 {
1977         ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1978         return 0;
1979 }
1980 
1981 static int snd_vt1724_pro_rate_locking_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_LOCKED != nval;
1990         PRO_RATE_LOCKED = nval;
1991         spin_unlock_irq(&ice->reg_lock);
1992         return change;
1993 }
1994 
1995 static const struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
1996         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1997         .name = "Multi Track Rate Locking",
1998         .info = snd_vt1724_pro_rate_locking_info,
1999         .get = snd_vt1724_pro_rate_locking_get,
2000         .put = snd_vt1724_pro_rate_locking_put
2001 };
2002 
2003 #define snd_vt1724_pro_rate_reset_info          snd_ctl_boolean_mono_info
2004 
2005 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
2006                                          struct snd_ctl_elem_value *ucontrol)
2007 {
2008         ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
2009         return 0;
2010 }
2011 
2012 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
2013                                          struct snd_ctl_elem_value *ucontrol)
2014 {
2015         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2016         int change = 0, nval;
2017 
2018         nval = ucontrol->value.integer.value[0] ? 1 : 0;
2019         spin_lock_irq(&ice->reg_lock);
2020         change = PRO_RATE_RESET != nval;
2021         PRO_RATE_RESET = nval;
2022         spin_unlock_irq(&ice->reg_lock);
2023         return change;
2024 }
2025 
2026 static const struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
2027         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2028         .name = "Multi Track Rate Reset",
2029         .info = snd_vt1724_pro_rate_reset_info,
2030         .get = snd_vt1724_pro_rate_reset_get,
2031         .put = snd_vt1724_pro_rate_reset_put
2032 };
2033 
2034 
2035 /*
2036  * routing
2037  */
2038 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2039                                      struct snd_ctl_elem_info *uinfo)
2040 {
2041         static const char * const texts[] = {
2042                 "PCM Out", /* 0 */
2043                 "H/W In 0", "H/W In 1", /* 1-2 */
2044                 "IEC958 In L", "IEC958 In R", /* 3-4 */
2045         };
2046 
2047         return snd_ctl_enum_info(uinfo, 1, 5, texts);
2048 }
2049 
2050 static inline int analog_route_shift(int idx)
2051 {
2052         return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2053 }
2054 
2055 static inline int digital_route_shift(int idx)
2056 {
2057         return idx * 3;
2058 }
2059 
2060 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2061 {
2062         unsigned long val;
2063         unsigned char eitem;
2064         static const unsigned char xlate[8] = {
2065                 0, 255, 1, 2, 255, 255, 3, 4,
2066         };
2067 
2068         val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2069         val >>= shift;
2070         val &= 7; /* we now have 3 bits per output */
2071         eitem = xlate[val];
2072         if (eitem == 255) {
2073                 snd_BUG();
2074                 return 0;
2075         }
2076         return eitem;
2077 }
2078 
2079 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2080                                                                 int shift)
2081 {
2082         unsigned int old_val, nval;
2083         int change;
2084         static const unsigned char xroute[8] = {
2085                 0, /* PCM */
2086                 2, /* PSDIN0 Left */
2087                 3, /* PSDIN0 Right */
2088                 6, /* SPDIN Left */
2089                 7, /* SPDIN Right */
2090         };
2091 
2092         nval = xroute[val % 5];
2093         val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2094         val &= ~(0x07 << shift);
2095         val |= nval << shift;
2096         change = val != old_val;
2097         if (change)
2098                 outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2099         return change;
2100 }
2101 
2102 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2103                                            struct snd_ctl_elem_value *ucontrol)
2104 {
2105         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2106         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2107         ucontrol->value.enumerated.item[0] =
2108                 snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2109         return 0;
2110 }
2111 
2112 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2113                                            struct snd_ctl_elem_value *ucontrol)
2114 {
2115         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2116         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2117         return snd_ice1724_put_route_val(ice,
2118                                          ucontrol->value.enumerated.item[0],
2119                                          analog_route_shift(idx));
2120 }
2121 
2122 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2123                                           struct snd_ctl_elem_value *ucontrol)
2124 {
2125         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2126         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2127         ucontrol->value.enumerated.item[0] =
2128                 snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2129         return 0;
2130 }
2131 
2132 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2133                                           struct snd_ctl_elem_value *ucontrol)
2134 {
2135         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2136         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2137         return snd_ice1724_put_route_val(ice,
2138                                          ucontrol->value.enumerated.item[0],
2139                                          digital_route_shift(idx));
2140 }
2141 
2142 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2143 {
2144         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2145         .name = "H/W Playback Route",
2146         .info = snd_vt1724_pro_route_info,
2147         .get = snd_vt1724_pro_route_analog_get,
2148         .put = snd_vt1724_pro_route_analog_put,
2149 };
2150 
2151 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2152         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2153         .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2154         .info = snd_vt1724_pro_route_info,
2155         .get = snd_vt1724_pro_route_spdif_get,
2156         .put = snd_vt1724_pro_route_spdif_put,
2157         .count = 2,
2158 };
2159 
2160 
2161 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2162                                     struct snd_ctl_elem_info *uinfo)
2163 {
2164         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2165         uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2166         uinfo->value.integer.min = 0;
2167         uinfo->value.integer.max = 255;
2168         return 0;
2169 }
2170 
2171 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2172                                    struct snd_ctl_elem_value *ucontrol)
2173 {
2174         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2175         int idx;
2176 
2177         spin_lock_irq(&ice->reg_lock);
2178         for (idx = 0; idx < 22; idx++) {
2179                 outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2180                 ucontrol->value.integer.value[idx] =
2181                         inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2182         }
2183         spin_unlock_irq(&ice->reg_lock);
2184         return 0;
2185 }
2186 
2187 static const struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2188         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2189         .name = "Multi Track Peak",
2190         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2191         .info = snd_vt1724_pro_peak_info,
2192         .get = snd_vt1724_pro_peak_get
2193 };
2194 
2195 /*
2196  *
2197  */
2198 
2199 static struct snd_ice1712_card_info no_matched;
2200 
2201 
2202 /*
2203   ooAoo cards with no controls
2204 */
2205 static unsigned char ooaoo_sq210_eeprom[] = {
2206         [ICE_EEP2_SYSCONF]     = 0x4c,  /* 49MHz crystal, no mpu401, no ADC,
2207                                            1xDACs */
2208         [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
2209         [ICE_EEP2_I2S]         = 0x78,  /* no volume, 96k, 24bit, 192k */
2210         [ICE_EEP2_SPDIF]       = 0xc1,  /* out-en, out-int, out-ext */
2211         [ICE_EEP2_GPIO_DIR]    = 0x00,  /* no GPIOs are used */
2212         [ICE_EEP2_GPIO_DIR1]   = 0x00,
2213         [ICE_EEP2_GPIO_DIR2]   = 0x00,
2214         [ICE_EEP2_GPIO_MASK]   = 0xff,
2215         [ICE_EEP2_GPIO_MASK1]  = 0xff,
2216         [ICE_EEP2_GPIO_MASK2]  = 0xff,
2217 
2218         [ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2219         [ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2220                                           and GPIO15 always zero */
2221         [ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2222 };
2223 
2224 
2225 static struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2226         {
2227                 .name = "ooAoo SQ210a",
2228                 .model = "sq210a",
2229                 .eeprom_size = sizeof(ooaoo_sq210_eeprom),
2230                 .eeprom_data = ooaoo_sq210_eeprom,
2231         },
2232         { } /* terminator */
2233 };
2234 
2235 static struct snd_ice1712_card_info *card_tables[] = {
2236         snd_vt1724_revo_cards,
2237         snd_vt1724_amp_cards,
2238         snd_vt1724_aureon_cards,
2239         snd_vt1720_mobo_cards,
2240         snd_vt1720_pontis_cards,
2241         snd_vt1724_prodigy_hifi_cards,
2242         snd_vt1724_prodigy192_cards,
2243         snd_vt1724_juli_cards,
2244         snd_vt1724_maya44_cards,
2245         snd_vt1724_phase_cards,
2246         snd_vt1724_wtm_cards,
2247         snd_vt1724_se_cards,
2248         snd_vt1724_qtet_cards,
2249         snd_vt1724_ooaoo_cards,
2250         snd_vt1724_psc724_cards,
2251         NULL,
2252 };
2253 
2254 
2255 /*
2256  */
2257 
2258 static void wait_i2c_busy(struct snd_ice1712 *ice)
2259 {
2260         int t = 0x10000;
2261         while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2262                 ;
2263         if (t == -1)
2264                 dev_err(ice->card->dev, "i2c busy timeout\n");
2265 }
2266 
2267 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2268                                   unsigned char dev, unsigned char addr)
2269 {
2270         unsigned char val;
2271 
2272         mutex_lock(&ice->i2c_mutex);
2273         wait_i2c_busy(ice);
2274         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2275         outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2276         wait_i2c_busy(ice);
2277         val = inb(ICEREG1724(ice, I2C_DATA));
2278         mutex_unlock(&ice->i2c_mutex);
2279         /*
2280         dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2281         */
2282         return val;
2283 }
2284 
2285 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2286                           unsigned char dev, unsigned char addr, unsigned char data)
2287 {
2288         mutex_lock(&ice->i2c_mutex);
2289         wait_i2c_busy(ice);
2290         /*
2291         dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2292         */
2293         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2294         outb(data, ICEREG1724(ice, I2C_DATA));
2295         outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2296         wait_i2c_busy(ice);
2297         mutex_unlock(&ice->i2c_mutex);
2298 }
2299 
2300 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2301                                   const char *modelname)
2302 {
2303         const int dev = 0xa0;           /* EEPROM device address */
2304         unsigned int i, size;
2305         struct snd_ice1712_card_info * const *tbl, *c;
2306 
2307         if (!modelname || !*modelname) {
2308                 ice->eeprom.subvendor = 0;
2309                 if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2310                         ice->eeprom.subvendor =
2311                                 (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2312                                 (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2313                                 (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2314                                 (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2315                 if (ice->eeprom.subvendor == 0 ||
2316                     ice->eeprom.subvendor == (unsigned int)-1) {
2317                         /* invalid subvendor from EEPROM, try the PCI
2318                          * subststem ID instead
2319                          */
2320                         u16 vendor, device;
2321                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2322                                              &vendor);
2323                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2324                         ice->eeprom.subvendor =
2325                                 ((unsigned int)swab16(vendor) << 16) | swab16(device);
2326                         if (ice->eeprom.subvendor == 0 ||
2327                             ice->eeprom.subvendor == (unsigned int)-1) {
2328                                 dev_err(ice->card->dev,
2329                                         "No valid ID is found\n");
2330                                 return -ENXIO;
2331                         }
2332                 }
2333         }
2334         for (tbl = card_tables; *tbl; tbl++) {
2335                 for (c = *tbl; c->name; c++) {
2336                         if (modelname && c->model &&
2337                             !strcmp(modelname, c->model)) {
2338                                 dev_info(ice->card->dev,
2339                                          "Using board model %s\n",
2340                                        c->name);
2341                                 ice->eeprom.subvendor = c->subvendor;
2342                         } else if (c->subvendor != ice->eeprom.subvendor)
2343                                 continue;
2344                         ice->card_info = c;
2345                         if (!c->eeprom_size || !c->eeprom_data)
2346                                 goto found;
2347                         /* if the EEPROM is given by the driver, use it */
2348                         dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2349                         ice->eeprom.version = 2;
2350                         ice->eeprom.size = c->eeprom_size + 6;
2351                         memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2352                         goto read_skipped;
2353                 }
2354         }
2355         dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2356                ice->eeprom.subvendor);
2357 #ifdef CONFIG_PM_SLEEP
2358         /* assume AC97-only card which can suspend without additional code */
2359         ice->pm_suspend_enabled = 1;
2360 #endif
2361 
2362  found:
2363         ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2364         if (ice->eeprom.size < 6)
2365                 ice->eeprom.size = 32;
2366         else if (ice->eeprom.size > 32) {
2367                 dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2368                        ice->eeprom.size);
2369                 return -EIO;
2370         }
2371         ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2372         if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2373                 dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2374                        ice->eeprom.version);
2375         size = ice->eeprom.size - 6;
2376         for (i = 0; i < size; i++)
2377                 ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2378 
2379  read_skipped:
2380         ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2381         ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2382         ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2383 
2384         return 0;
2385 }
2386 
2387 
2388 
2389 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2390 {
2391         outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2392         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2393         msleep(10);
2394         outb(0, ICEREG1724(ice, CONTROL));
2395         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2396         msleep(10);
2397 }
2398 
2399 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2400 {
2401         outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2402         outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2403         outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2404         outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2405 
2406         ice->gpio.write_mask = ice->eeprom.gpiomask;
2407         ice->gpio.direction = ice->eeprom.gpiodir;
2408         snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2409         snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2410         snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2411 
2412         outb(0, ICEREG1724(ice, POWERDOWN));
2413 
2414         /* MPU_RX and TX irq masks are cleared later dynamically */
2415         outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2416 
2417         /* don't handle FIFO overrun/underruns (just yet),
2418          * since they cause machine lockups
2419          */
2420         outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2421 
2422         return 0;
2423 }
2424 
2425 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2426 {
2427         int err;
2428         struct snd_kcontrol *kctl;
2429 
2430         if (snd_BUG_ON(!ice->pcm))
2431                 return -EIO;
2432 
2433         if (!ice->own_routing) {
2434                 err = snd_ctl_add(ice->card,
2435                         snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2436                 if (err < 0)
2437                         return err;
2438         }
2439 
2440         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2441         if (err < 0)
2442                 return err;
2443 
2444         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2445         if (err < 0)
2446                 return err;
2447         kctl->id.device = ice->pcm->device;
2448         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2449         if (err < 0)
2450                 return err;
2451         kctl->id.device = ice->pcm->device;
2452         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2453         if (err < 0)
2454                 return err;
2455         kctl->id.device = ice->pcm->device;
2456 #if 0 /* use default only */
2457         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2458         if (err < 0)
2459                 return err;
2460         kctl->id.device = ice->pcm->device;
2461         ice->spdif.stream_ctl = kctl;
2462 #endif
2463         return 0;
2464 }
2465 
2466 
2467 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2468 {
2469         int err;
2470 
2471         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2472         if (err < 0)
2473                 return err;
2474         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2475         if (err < 0)
2476                 return err;
2477 
2478         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2479         if (err < 0)
2480                 return err;
2481         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2482         if (err < 0)
2483                 return err;
2484 
2485         if (!ice->own_routing && ice->num_total_dacs > 0) {
2486                 struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2487                 tmp.count = ice->num_total_dacs;
2488                 if (ice->vt1720 && tmp.count > 2)
2489                         tmp.count = 2;
2490                 err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2491                 if (err < 0)
2492                         return err;
2493         }
2494 
2495         return snd_ctl_add(ice->card,
2496                            snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2497 }
2498 
2499 static int snd_vt1724_free(struct snd_ice1712 *ice)
2500 {
2501         if (!ice->port)
2502                 goto __hw_end;
2503         /* mask all interrupts */
2504         outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2505         outb(0xff, ICEREG1724(ice, IRQMASK));
2506         /* --- */
2507 __hw_end:
2508         if (ice->irq >= 0)
2509                 free_irq(ice->irq, ice);
2510         pci_release_regions(ice->pci);
2511         snd_ice1712_akm4xxx_free(ice);
2512         pci_disable_device(ice->pci);
2513         kfree(ice->spec);
2514         kfree(ice);
2515         return 0;
2516 }
2517 
2518 static int snd_vt1724_dev_free(struct snd_device *device)
2519 {
2520         struct snd_ice1712 *ice = device->device_data;
2521         return snd_vt1724_free(ice);
2522 }
2523 
2524 static int snd_vt1724_create(struct snd_card *card,
2525                              struct pci_dev *pci,
2526                              const char *modelname,
2527                              struct snd_ice1712 **r_ice1712)
2528 {
2529         struct snd_ice1712 *ice;
2530         int err;
2531         static struct snd_device_ops ops = {
2532                 .dev_free =     snd_vt1724_dev_free,
2533         };
2534 
2535         *r_ice1712 = NULL;
2536 
2537         /* enable PCI device */
2538         err = pci_enable_device(pci);
2539         if (err < 0)
2540                 return err;
2541 
2542         ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2543         if (ice == NULL) {
2544                 pci_disable_device(pci);
2545                 return -ENOMEM;
2546         }
2547         ice->vt1724 = 1;
2548         spin_lock_init(&ice->reg_lock);
2549         mutex_init(&ice->gpio_mutex);
2550         mutex_init(&ice->open_mutex);
2551         mutex_init(&ice->i2c_mutex);
2552         ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2553         ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2554         ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2555         ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2556         ice->gpio.set_data = snd_vt1724_set_gpio_data;
2557         ice->gpio.get_data = snd_vt1724_get_gpio_data;
2558         ice->card = card;
2559         ice->pci = pci;
2560         ice->irq = -1;
2561         pci_set_master(pci);
2562         snd_vt1724_proc_init(ice);
2563         synchronize_irq(pci->irq);
2564 
2565         card->private_data = ice;
2566 
2567         err = pci_request_regions(pci, "ICE1724");
2568         if (err < 0) {
2569                 kfree(ice);
2570                 pci_disable_device(pci);
2571                 return err;
2572         }
2573         ice->port = pci_resource_start(pci, 0);
2574         ice->profi_port = pci_resource_start(pci, 1);
2575 
2576         if (request_irq(pci->irq, snd_vt1724_interrupt,
2577                         IRQF_SHARED, KBUILD_MODNAME, ice)) {
2578                 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2579                 snd_vt1724_free(ice);
2580                 return -EIO;
2581         }
2582 
2583         ice->irq = pci->irq;
2584 
2585         snd_vt1724_chip_reset(ice);
2586         if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2587                 snd_vt1724_free(ice);
2588                 return -EIO;
2589         }
2590         if (snd_vt1724_chip_init(ice) < 0) {
2591                 snd_vt1724_free(ice);
2592                 return -EIO;
2593         }
2594 
2595         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2596         if (err < 0) {
2597                 snd_vt1724_free(ice);
2598                 return err;
2599         }
2600 
2601         *r_ice1712 = ice;
2602         return 0;
2603 }
2604 
2605 
2606 /*
2607  *
2608  * Registration
2609  *
2610  */
2611 
2612 static int snd_vt1724_probe(struct pci_dev *pci,
2613                             const struct pci_device_id *pci_id)
2614 {
2615         static int dev;
2616         struct snd_card *card;
2617         struct snd_ice1712 *ice;
2618         int pcm_dev = 0, err;
2619         struct snd_ice1712_card_info * const *tbl, *c;
2620 
2621         if (dev >= SNDRV_CARDS)
2622                 return -ENODEV;
2623         if (!enable[dev]) {
2624                 dev++;
2625                 return -ENOENT;
2626         }
2627 
2628         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2629                            0, &card);
2630         if (err < 0)
2631                 return err;
2632 
2633         strcpy(card->driver, "ICE1724");
2634         strcpy(card->shortname, "ICEnsemble ICE1724");
2635 
2636         err = snd_vt1724_create(card, pci, model[dev], &ice);
2637         if (err < 0) {
2638                 snd_card_free(card);
2639                 return err;
2640         }
2641 
2642         /* field init before calling chip_init */
2643         ice->ext_clock_count = 0;
2644 
2645         for (tbl = card_tables; *tbl; tbl++) {
2646                 for (c = *tbl; c->name; c++) {
2647                         if ((model[dev] && c->model &&
2648                              !strcmp(model[dev], c->model)) ||
2649                             (c->subvendor == ice->eeprom.subvendor)) {
2650                                 strcpy(card->shortname, c->name);
2651                                 if (c->driver) /* specific driver? */
2652                                         strcpy(card->driver, c->driver);
2653                                 if (c->chip_init) {
2654                                         err = c->chip_init(ice);
2655                                         if (err < 0) {
2656                                                 snd_card_free(card);
2657                                                 return err;
2658                                         }
2659                                 }
2660                                 goto __found;
2661                         }
2662                 }
2663         }
2664         c = &no_matched;
2665 __found:
2666         /*
2667         * VT1724 has separate DMAs for the analog and the SPDIF streams while
2668         * ICE1712 has only one for both (mixed up).
2669         *
2670         * Confusingly the analog PCM is named "professional" here because it
2671         * was called so in ice1712 driver, and vt1724 driver is derived from
2672         * ice1712 driver.
2673         */
2674         ice->pro_rate_default = PRO_RATE_DEFAULT;
2675         if (!ice->is_spdif_master)
2676                 ice->is_spdif_master = stdclock_is_spdif_master;
2677         if (!ice->get_rate)
2678                 ice->get_rate = stdclock_get_rate;
2679         if (!ice->set_rate)
2680                 ice->set_rate = stdclock_set_rate;
2681         if (!ice->set_mclk)
2682                 ice->set_mclk = stdclock_set_mclk;
2683         if (!ice->set_spdif_clock)
2684                 ice->set_spdif_clock = stdclock_set_spdif_clock;
2685         if (!ice->get_spdif_master_type)
2686                 ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2687         if (!ice->ext_clock_names)
2688                 ice->ext_clock_names = ext_clock_names;
2689         if (!ice->ext_clock_count)
2690                 ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2691 
2692         if (!ice->hw_rates)
2693                 set_std_hw_rates(ice);
2694 
2695         err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2696         if (err < 0) {
2697                 snd_card_free(card);
2698                 return err;
2699         }
2700 
2701         err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2702         if (err < 0) {
2703                 snd_card_free(card);
2704                 return err;
2705         }
2706 
2707         err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2708         if (err < 0) {
2709                 snd_card_free(card);
2710                 return err;
2711         }
2712 
2713         err = snd_vt1724_ac97_mixer(ice);
2714         if (err < 0) {
2715                 snd_card_free(card);
2716                 return err;
2717         }
2718 
2719         err = snd_vt1724_build_controls(ice);
2720         if (err < 0) {
2721                 snd_card_free(card);
2722                 return err;
2723         }
2724 
2725         if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2726                 err = snd_vt1724_spdif_build_controls(ice);
2727                 if (err < 0) {
2728                         snd_card_free(card);
2729                         return err;
2730                 }
2731         }
2732 
2733         if (c->build_controls) {
2734                 err = c->build_controls(ice);
2735                 if (err < 0) {
2736                         snd_card_free(card);
2737                         return err;
2738                 }
2739         }
2740 
2741         if (!c->no_mpu401) {
2742                 if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2743                         struct snd_rawmidi *rmidi;
2744 
2745                         err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2746                         if (err < 0) {
2747                                 snd_card_free(card);
2748                                 return err;
2749                         }
2750                         ice->rmidi[0] = rmidi;
2751                         rmidi->private_data = ice;
2752                         strcpy(rmidi->name, "ICE1724 MIDI");
2753                         rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2754                                             SNDRV_RAWMIDI_INFO_INPUT |
2755                                             SNDRV_RAWMIDI_INFO_DUPLEX;
2756                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2757                                             &vt1724_midi_output_ops);
2758                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2759                                             &vt1724_midi_input_ops);
2760 
2761                         /* set watermarks */
2762                         outb(VT1724_MPU_RX_FIFO | 0x1,
2763                              ICEREG1724(ice, MPU_FIFO_WM));
2764                         outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2765                         /* set UART mode */
2766                         outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2767                 }
2768         }
2769 
2770         sprintf(card->longname, "%s at 0x%lx, irq %i",
2771                 card->shortname, ice->port, ice->irq);
2772 
2773         err = snd_card_register(card);
2774         if (err < 0) {
2775                 snd_card_free(card);
2776                 return err;
2777         }
2778         pci_set_drvdata(pci, card);
2779         dev++;
2780         return 0;
2781 }
2782 
2783 static void snd_vt1724_remove(struct pci_dev *pci)
2784 {
2785         struct snd_card *card = pci_get_drvdata(pci);
2786         struct snd_ice1712 *ice = card->private_data;
2787 
2788         if (ice->card_info && ice->card_info->chip_exit)
2789                 ice->card_info->chip_exit(ice);
2790         snd_card_free(card);
2791 }
2792 
2793 #ifdef CONFIG_PM_SLEEP
2794 static int snd_vt1724_suspend(struct device *dev)
2795 {
2796         struct snd_card *card = dev_get_drvdata(dev);
2797         struct snd_ice1712 *ice = card->private_data;
2798 
2799         if (!ice->pm_suspend_enabled)
2800                 return 0;
2801 
2802         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2803 
2804         snd_ac97_suspend(ice->ac97);
2805 
2806         spin_lock_irq(&ice->reg_lock);
2807         ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2808         ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2809         ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2810         ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2811         spin_unlock_irq(&ice->reg_lock);
2812 
2813         if (ice->pm_suspend)
2814                 ice->pm_suspend(ice);
2815         return 0;
2816 }
2817 
2818 static int snd_vt1724_resume(struct device *dev)
2819 {
2820         struct snd_card *card = dev_get_drvdata(dev);
2821         struct snd_ice1712 *ice = card->private_data;
2822 
2823         if (!ice->pm_suspend_enabled)
2824                 return 0;
2825 
2826         snd_vt1724_chip_reset(ice);
2827 
2828         if (snd_vt1724_chip_init(ice) < 0) {
2829                 snd_card_disconnect(card);
2830                 return -EIO;
2831         }
2832 
2833         if (ice->pm_resume)
2834                 ice->pm_resume(ice);
2835 
2836         if (ice->pm_saved_is_spdif_master) {
2837                 /* switching to external clock via SPDIF */
2838                 ice->set_spdif_clock(ice, 0);
2839         } else {
2840                 /* internal on-card clock */
2841                 int rate;
2842                 if (ice->cur_rate)
2843                         rate = ice->cur_rate;
2844                 else
2845                         rate = ice->pro_rate_default;
2846                 snd_vt1724_set_pro_rate(ice, rate, 1);
2847         }
2848 
2849         update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2850 
2851         outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2852         outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2853 
2854         snd_ac97_resume(ice->ac97);
2855 
2856         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2857         return 0;
2858 }
2859 
2860 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2861 #define SND_VT1724_PM_OPS       &snd_vt1724_pm
2862 #else
2863 #define SND_VT1724_PM_OPS       NULL
2864 #endif /* CONFIG_PM_SLEEP */
2865 
2866 static struct pci_driver vt1724_driver = {
2867         .name = KBUILD_MODNAME,
2868         .id_table = snd_vt1724_ids,
2869         .probe = snd_vt1724_probe,
2870         .remove = snd_vt1724_remove,
2871         .driver = {
2872                 .pm = SND_VT1724_PM_OPS,
2873         },
2874 };
2875 
2876 module_pci_driver(vt1724_driver);
2877 

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