Version:  2.0.40 2.2.26 2.4.37 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10

Linux/sound/pci/ice1712/ice1724.c

  1 /*
  2  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
  3  *                   VIA VT1720 (Envy24PT)
  4  *
  5  *      Copyright (c) 2000 Jaroslav Kysela <perex@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 struct snd_rawmidi_ops vt1724_midi_output_ops = {
371         .open = vt1724_midi_output_open,
372         .close = vt1724_midi_output_close,
373         .trigger = vt1724_midi_output_trigger,
374         .drain = vt1724_midi_output_drain,
375 };
376 
377 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
378 {
379         vt1724_midi_clear_rx(s->rmidi->private_data);
380         vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
381         return 0;
382 }
383 
384 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
385 {
386         vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
387         return 0;
388 }
389 
390 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
391 {
392         struct snd_ice1712 *ice = s->rmidi->private_data;
393         unsigned long flags;
394 
395         spin_lock_irqsave(&ice->reg_lock, flags);
396         if (up) {
397                 ice->midi_input = 1;
398                 vt1724_midi_read(ice);
399         } else {
400                 ice->midi_input = 0;
401         }
402         spin_unlock_irqrestore(&ice->reg_lock, flags);
403 }
404 
405 static struct snd_rawmidi_ops vt1724_midi_input_ops = {
406         .open = vt1724_midi_input_open,
407         .close = vt1724_midi_input_close,
408         .trigger = vt1724_midi_input_trigger,
409 };
410 
411 
412 /*
413  *  Interrupt handler
414  */
415 
416 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
417 {
418         struct snd_ice1712 *ice = dev_id;
419         unsigned char status;
420         unsigned char status_mask =
421                 VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
422         int handled = 0;
423         int timeout = 0;
424 
425         while (1) {
426                 status = inb(ICEREG1724(ice, IRQSTAT));
427                 status &= status_mask;
428                 if (status == 0)
429                         break;
430                 spin_lock(&ice->reg_lock);
431                 if (++timeout > 10) {
432                         status = inb(ICEREG1724(ice, IRQSTAT));
433                         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 unsigned int rates[] = {
525         8000, 9600, 11025, 12000, 16000, 22050, 24000,
526         32000, 44100, 48000, 64000, 88200, 96000,
527         176400, 192000,
528 };
529 
530 static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
531         .count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
532         .list = rates,
533         .mask = 0,
534 };
535 
536 static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
537         .count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
538         .list = rates,
539         .mask = 0,
540 };
541 
542 static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
543         .count = ARRAY_SIZE(rates),
544         .list = rates,
545         .mask = 0,
546 };
547 
548 struct vt1724_pcm_reg {
549         unsigned int addr;      /* ADDR register offset */
550         unsigned int size;      /* SIZE register offset */
551         unsigned int count;     /* COUNT register offset */
552         unsigned int start;     /* start & pause bit */
553 };
554 
555 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
556 {
557         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
558         unsigned char what;
559         unsigned char old;
560         struct snd_pcm_substream *s;
561 
562         what = 0;
563         snd_pcm_group_for_each_entry(s, substream) {
564                 if (snd_pcm_substream_chip(s) == ice) {
565                         const struct vt1724_pcm_reg *reg;
566                         reg = s->runtime->private_data;
567                         what |= reg->start;
568                         snd_pcm_trigger_done(s, substream);
569                 }
570         }
571 
572         switch (cmd) {
573         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
574         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
575                 spin_lock(&ice->reg_lock);
576                 old = inb(ICEMT1724(ice, DMA_PAUSE));
577                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
578                         old |= what;
579                 else
580                         old &= ~what;
581                 outb(old, ICEMT1724(ice, DMA_PAUSE));
582                 spin_unlock(&ice->reg_lock);
583                 break;
584 
585         case SNDRV_PCM_TRIGGER_START:
586         case SNDRV_PCM_TRIGGER_STOP:
587         case SNDRV_PCM_TRIGGER_SUSPEND:
588                 spin_lock(&ice->reg_lock);
589                 old = inb(ICEMT1724(ice, DMA_CONTROL));
590                 if (cmd == SNDRV_PCM_TRIGGER_START)
591                         old |= what;
592                 else
593                         old &= ~what;
594                 outb(old, ICEMT1724(ice, DMA_CONTROL));
595                 spin_unlock(&ice->reg_lock);
596                 break;
597 
598         case SNDRV_PCM_TRIGGER_RESUME:
599                 /* apps will have to restart stream */
600                 break;
601 
602         default:
603                 return -EINVAL;
604         }
605         return 0;
606 }
607 
608 /*
609  */
610 
611 #define DMA_STARTS      (VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
612         VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
613 #define DMA_PAUSES      (VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
614         VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
615 
616 static const unsigned int stdclock_rate_list[16] = {
617         48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
618         22050, 11025, 88200, 176400, 0, 192000, 64000
619 };
620 
621 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
622 {
623         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         struct snd_info_entry *entry;
1575 
1576         if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1577                 snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1578 }
1579 
1580 /*
1581  *
1582  */
1583 
1584 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1585                                   struct snd_ctl_elem_info *uinfo)
1586 {
1587         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1588         uinfo->count = sizeof(struct snd_ice1712_eeprom);
1589         return 0;
1590 }
1591 
1592 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1593                                  struct snd_ctl_elem_value *ucontrol)
1594 {
1595         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1596 
1597         memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1598         return 0;
1599 }
1600 
1601 static struct snd_kcontrol_new snd_vt1724_eeprom = {
1602         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1603         .name = "ICE1724 EEPROM",
1604         .access = SNDRV_CTL_ELEM_ACCESS_READ,
1605         .info = snd_vt1724_eeprom_info,
1606         .get = snd_vt1724_eeprom_get
1607 };
1608 
1609 /*
1610  */
1611 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1612                                  struct snd_ctl_elem_info *uinfo)
1613 {
1614         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1615         uinfo->count = 1;
1616         return 0;
1617 }
1618 
1619 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1620 {
1621         unsigned int val, rbits;
1622 
1623         val = diga->status[0] & 0x03; /* professional, non-audio */
1624         if (val & 0x01) {
1625                 /* professional */
1626                 if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1627                     IEC958_AES0_PRO_EMPHASIS_5015)
1628                         val |= 1U << 3;
1629                 rbits = (diga->status[4] >> 3) & 0x0f;
1630                 if (rbits) {
1631                         switch (rbits) {
1632                         case 2: val |= 5 << 12; break; /* 96k */
1633                         case 3: val |= 6 << 12; break; /* 192k */
1634                         case 10: val |= 4 << 12; break; /* 88.2k */
1635                         case 11: val |= 7 << 12; break; /* 176.4k */
1636                         }
1637                 } else {
1638                         switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1639                         case IEC958_AES0_PRO_FS_44100:
1640                                 break;
1641                         case IEC958_AES0_PRO_FS_32000:
1642                                 val |= 3U << 12;
1643                                 break;
1644                         default:
1645                                 val |= 2U << 12;
1646                                 break;
1647                         }
1648                 }
1649         } else {
1650                 /* consumer */
1651                 val |= diga->status[1] & 0x04; /* copyright */
1652                 if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1653                     IEC958_AES0_CON_EMPHASIS_5015)
1654                         val |= 1U << 3;
1655                 val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1656                 val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1657         }
1658         return val;
1659 }
1660 
1661 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1662 {
1663         memset(diga->status, 0, sizeof(diga->status));
1664         diga->status[0] = val & 0x03; /* professional, non-audio */
1665         if (val & 0x01) {
1666                 /* professional */
1667                 if (val & (1U << 3))
1668                         diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1669                 switch ((val >> 12) & 0x7) {
1670                 case 0:
1671                         break;
1672                 case 2:
1673                         diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1674                         break;
1675                 default:
1676                         diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1677                         break;
1678                 }
1679         } else {
1680                 /* consumer */
1681                 diga->status[0] |= val & (1U << 2); /* copyright */
1682                 if (val & (1U << 3))
1683                         diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1684                 diga->status[1] |= (val >> 4) & 0x3f; /* category */
1685                 diga->status[3] |= (val >> 12) & 0x07; /* fs */
1686         }
1687 }
1688 
1689 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1690                                         struct snd_ctl_elem_value *ucontrol)
1691 {
1692         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1693         unsigned int val;
1694         val = inw(ICEMT1724(ice, SPDIF_CTRL));
1695         decode_spdif_bits(&ucontrol->value.iec958, val);
1696         return 0;
1697 }
1698 
1699 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1700                                          struct snd_ctl_elem_value *ucontrol)
1701 {
1702         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1703         unsigned int val, old;
1704 
1705         val = encode_spdif_bits(&ucontrol->value.iec958);
1706         spin_lock_irq(&ice->reg_lock);
1707         old = inw(ICEMT1724(ice, SPDIF_CTRL));
1708         if (val != old)
1709                 update_spdif_bits(ice, val);
1710         spin_unlock_irq(&ice->reg_lock);
1711         return val != old;
1712 }
1713 
1714 static struct snd_kcontrol_new snd_vt1724_spdif_default =
1715 {
1716         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1717         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1718         .info =         snd_vt1724_spdif_info,
1719         .get =          snd_vt1724_spdif_default_get,
1720         .put =          snd_vt1724_spdif_default_put
1721 };
1722 
1723 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1724                                        struct snd_ctl_elem_value *ucontrol)
1725 {
1726         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1727                                                      IEC958_AES0_PROFESSIONAL |
1728                                                      IEC958_AES0_CON_NOT_COPYRIGHT |
1729                                                      IEC958_AES0_CON_EMPHASIS;
1730         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1731                                                      IEC958_AES1_CON_CATEGORY;
1732         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1733         return 0;
1734 }
1735 
1736 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1737                                        struct snd_ctl_elem_value *ucontrol)
1738 {
1739         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1740                                                      IEC958_AES0_PROFESSIONAL |
1741                                                      IEC958_AES0_PRO_FS |
1742                                                      IEC958_AES0_PRO_EMPHASIS;
1743         return 0;
1744 }
1745 
1746 static struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1747 {
1748         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1749         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1750         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1751         .info =         snd_vt1724_spdif_info,
1752         .get =          snd_vt1724_spdif_maskc_get,
1753 };
1754 
1755 static struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1756 {
1757         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1758         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1759         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1760         .info =         snd_vt1724_spdif_info,
1761         .get =          snd_vt1724_spdif_maskp_get,
1762 };
1763 
1764 #define snd_vt1724_spdif_sw_info                snd_ctl_boolean_mono_info
1765 
1766 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1767                                    struct snd_ctl_elem_value *ucontrol)
1768 {
1769         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1770         ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1771                 VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1772         return 0;
1773 }
1774 
1775 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1776                                    struct snd_ctl_elem_value *ucontrol)
1777 {
1778         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1779         unsigned char old, val;
1780 
1781         spin_lock_irq(&ice->reg_lock);
1782         old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1783         val &= ~VT1724_CFG_SPDIF_OUT_EN;
1784         if (ucontrol->value.integer.value[0])
1785                 val |= VT1724_CFG_SPDIF_OUT_EN;
1786         if (old != val)
1787                 outb(val, ICEREG1724(ice, SPDIF_CFG));
1788         spin_unlock_irq(&ice->reg_lock);
1789         return old != val;
1790 }
1791 
1792 static struct snd_kcontrol_new snd_vt1724_spdif_switch =
1793 {
1794         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1795         /* FIXME: the following conflict with IEC958 Playback Route */
1796         /* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1797         .name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1798         .info =         snd_vt1724_spdif_sw_info,
1799         .get =          snd_vt1724_spdif_sw_get,
1800         .put =          snd_vt1724_spdif_sw_put
1801 };
1802 
1803 
1804 #if 0 /* NOT USED YET */
1805 /*
1806  * GPIO access from extern
1807  */
1808 
1809 #define snd_vt1724_gpio_info            snd_ctl_boolean_mono_info
1810 
1811 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1812                         struct snd_ctl_elem_value *ucontrol)
1813 {
1814         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1815         int shift = kcontrol->private_value & 0xff;
1816         int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1817 
1818         snd_ice1712_save_gpio_status(ice);
1819         ucontrol->value.integer.value[0] =
1820                 (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1821         snd_ice1712_restore_gpio_status(ice);
1822         return 0;
1823 }
1824 
1825 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1826                          struct snd_ctl_elem_value *ucontrol)
1827 {
1828         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1829         int shift = kcontrol->private_value & 0xff;
1830         int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1831         unsigned int val, nval;
1832 
1833         if (kcontrol->private_value & (1 << 31))
1834                 return -EPERM;
1835         nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1836         snd_ice1712_save_gpio_status(ice);
1837         val = snd_ice1712_gpio_read(ice);
1838         nval |= val & ~(1 << shift);
1839         if (val != nval)
1840                 snd_ice1712_gpio_write(ice, nval);
1841         snd_ice1712_restore_gpio_status(ice);
1842         return val != nval;
1843 }
1844 #endif /* NOT USED YET */
1845 
1846 /*
1847  *  rate
1848  */
1849 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1850                                               struct snd_ctl_elem_info *uinfo)
1851 {
1852         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1853         int hw_rates_count = ice->hw_rates->count;
1854         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1855         uinfo->count = 1;
1856 
1857         /* internal clocks */
1858         uinfo->value.enumerated.items = hw_rates_count;
1859         /* external clocks */
1860         if (ice->force_rdma1 ||
1861             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1862                 uinfo->value.enumerated.items += ice->ext_clock_count;
1863         /* upper limit - keep at top */
1864         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1865                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1866         if (uinfo->value.enumerated.item >= hw_rates_count)
1867                 /* ext_clock items */
1868                 strcpy(uinfo->value.enumerated.name,
1869                                 ice->ext_clock_names[
1870                                 uinfo->value.enumerated.item - hw_rates_count]);
1871         else
1872                 /* int clock items */
1873                 sprintf(uinfo->value.enumerated.name, "%d",
1874                         ice->hw_rates->list[uinfo->value.enumerated.item]);
1875         return 0;
1876 }
1877 
1878 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1879                                              struct snd_ctl_elem_value *ucontrol)
1880 {
1881         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1882         unsigned int i, rate;
1883 
1884         spin_lock_irq(&ice->reg_lock);
1885         if (ice->is_spdif_master(ice)) {
1886                 ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1887                         ice->get_spdif_master_type(ice);
1888         } else {
1889                 rate = ice->get_rate(ice);
1890                 ucontrol->value.enumerated.item[0] = 0;
1891                 for (i = 0; i < ice->hw_rates->count; i++) {
1892                         if (ice->hw_rates->list[i] == rate) {
1893                                 ucontrol->value.enumerated.item[0] = i;
1894                                 break;
1895                         }
1896                 }
1897         }
1898         spin_unlock_irq(&ice->reg_lock);
1899         return 0;
1900 }
1901 
1902 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1903 {
1904         /* standard external clock - only single type - SPDIF IN */
1905         return 0;
1906 }
1907 
1908 /* setting clock to external - SPDIF */
1909 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1910 {
1911         unsigned char oval;
1912         unsigned char i2s_oval;
1913         oval = inb(ICEMT1724(ice, RATE));
1914         outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1915         /* setting 256fs */
1916         i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1917         outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1918         return 0;
1919 }
1920 
1921 
1922 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1923                                              struct snd_ctl_elem_value *ucontrol)
1924 {
1925         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1926         unsigned int old_rate, new_rate;
1927         unsigned int item = ucontrol->value.enumerated.item[0];
1928         unsigned int first_ext_clock = ice->hw_rates->count;
1929 
1930         if (item >  first_ext_clock + ice->ext_clock_count - 1)
1931                 return -EINVAL;
1932 
1933         /* if rate = 0 => external clock */
1934         spin_lock_irq(&ice->reg_lock);
1935         if (ice->is_spdif_master(ice))
1936                 old_rate = 0;
1937         else
1938                 old_rate = ice->get_rate(ice);
1939         if (item >= first_ext_clock) {
1940                 /* switching to external clock */
1941                 ice->set_spdif_clock(ice, item - first_ext_clock);
1942                 new_rate = 0;
1943         } else {
1944                 /* internal on-card clock */
1945                 new_rate = ice->hw_rates->list[item];
1946                 ice->pro_rate_default = new_rate;
1947                 spin_unlock_irq(&ice->reg_lock);
1948                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1949                 spin_lock_irq(&ice->reg_lock);
1950         }
1951         spin_unlock_irq(&ice->reg_lock);
1952 
1953         /* the first switch to the ext. clock mode? */
1954         if (old_rate != new_rate && !new_rate) {
1955                 /* notify akm chips as well */
1956                 unsigned int i;
1957                 if (ice->gpio.set_pro_rate)
1958                         ice->gpio.set_pro_rate(ice, 0);
1959                 for (i = 0; i < ice->akm_codecs; i++) {
1960                         if (ice->akm[i].ops.set_rate_val)
1961                                 ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1962                 }
1963         }
1964         return old_rate != new_rate;
1965 }
1966 
1967 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1968         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1969         .name = "Multi Track Internal Clock",
1970         .info = snd_vt1724_pro_internal_clock_info,
1971         .get = snd_vt1724_pro_internal_clock_get,
1972         .put = snd_vt1724_pro_internal_clock_put
1973 };
1974 
1975 #define snd_vt1724_pro_rate_locking_info        snd_ctl_boolean_mono_info
1976 
1977 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1978                                            struct snd_ctl_elem_value *ucontrol)
1979 {
1980         ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1981         return 0;
1982 }
1983 
1984 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1985                                            struct snd_ctl_elem_value *ucontrol)
1986 {
1987         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1988         int change = 0, nval;
1989 
1990         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1991         spin_lock_irq(&ice->reg_lock);
1992         change = PRO_RATE_LOCKED != nval;
1993         PRO_RATE_LOCKED = nval;
1994         spin_unlock_irq(&ice->reg_lock);
1995         return change;
1996 }
1997 
1998 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
1999         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2000         .name = "Multi Track Rate Locking",
2001         .info = snd_vt1724_pro_rate_locking_info,
2002         .get = snd_vt1724_pro_rate_locking_get,
2003         .put = snd_vt1724_pro_rate_locking_put
2004 };
2005 
2006 #define snd_vt1724_pro_rate_reset_info          snd_ctl_boolean_mono_info
2007 
2008 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
2009                                          struct snd_ctl_elem_value *ucontrol)
2010 {
2011         ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
2012         return 0;
2013 }
2014 
2015 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
2016                                          struct snd_ctl_elem_value *ucontrol)
2017 {
2018         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2019         int change = 0, nval;
2020 
2021         nval = ucontrol->value.integer.value[0] ? 1 : 0;
2022         spin_lock_irq(&ice->reg_lock);
2023         change = PRO_RATE_RESET != nval;
2024         PRO_RATE_RESET = nval;
2025         spin_unlock_irq(&ice->reg_lock);
2026         return change;
2027 }
2028 
2029 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
2030         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2031         .name = "Multi Track Rate Reset",
2032         .info = snd_vt1724_pro_rate_reset_info,
2033         .get = snd_vt1724_pro_rate_reset_get,
2034         .put = snd_vt1724_pro_rate_reset_put
2035 };
2036 
2037 
2038 /*
2039  * routing
2040  */
2041 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2042                                      struct snd_ctl_elem_info *uinfo)
2043 {
2044         static const char * const texts[] = {
2045                 "PCM Out", /* 0 */
2046                 "H/W In 0", "H/W In 1", /* 1-2 */
2047                 "IEC958 In L", "IEC958 In R", /* 3-4 */
2048         };
2049 
2050         return snd_ctl_enum_info(uinfo, 1, 5, texts);
2051 }
2052 
2053 static inline int analog_route_shift(int idx)
2054 {
2055         return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2056 }
2057 
2058 static inline int digital_route_shift(int idx)
2059 {
2060         return idx * 3;
2061 }
2062 
2063 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2064 {
2065         unsigned long val;
2066         unsigned char eitem;
2067         static const unsigned char xlate[8] = {
2068                 0, 255, 1, 2, 255, 255, 3, 4,
2069         };
2070 
2071         val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2072         val >>= shift;
2073         val &= 7; /* we now have 3 bits per output */
2074         eitem = xlate[val];
2075         if (eitem == 255) {
2076                 snd_BUG();
2077                 return 0;
2078         }
2079         return eitem;
2080 }
2081 
2082 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2083                                                                 int shift)
2084 {
2085         unsigned int old_val, nval;
2086         int change;
2087         static const unsigned char xroute[8] = {
2088                 0, /* PCM */
2089                 2, /* PSDIN0 Left */
2090                 3, /* PSDIN0 Right */
2091                 6, /* SPDIN Left */
2092                 7, /* SPDIN Right */
2093         };
2094 
2095         nval = xroute[val % 5];
2096         val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2097         val &= ~(0x07 << shift);
2098         val |= nval << shift;
2099         change = val != old_val;
2100         if (change)
2101                 outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2102         return change;
2103 }
2104 
2105 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2106                                            struct snd_ctl_elem_value *ucontrol)
2107 {
2108         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2109         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2110         ucontrol->value.enumerated.item[0] =
2111                 snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2112         return 0;
2113 }
2114 
2115 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2116                                            struct snd_ctl_elem_value *ucontrol)
2117 {
2118         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2119         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2120         return snd_ice1724_put_route_val(ice,
2121                                          ucontrol->value.enumerated.item[0],
2122                                          analog_route_shift(idx));
2123 }
2124 
2125 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2126                                           struct snd_ctl_elem_value *ucontrol)
2127 {
2128         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2129         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2130         ucontrol->value.enumerated.item[0] =
2131                 snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2132         return 0;
2133 }
2134 
2135 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2136                                           struct snd_ctl_elem_value *ucontrol)
2137 {
2138         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2139         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2140         return snd_ice1724_put_route_val(ice,
2141                                          ucontrol->value.enumerated.item[0],
2142                                          digital_route_shift(idx));
2143 }
2144 
2145 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2146 {
2147         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2148         .name = "H/W Playback Route",
2149         .info = snd_vt1724_pro_route_info,
2150         .get = snd_vt1724_pro_route_analog_get,
2151         .put = snd_vt1724_pro_route_analog_put,
2152 };
2153 
2154 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2155         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2156         .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2157         .info = snd_vt1724_pro_route_info,
2158         .get = snd_vt1724_pro_route_spdif_get,
2159         .put = snd_vt1724_pro_route_spdif_put,
2160         .count = 2,
2161 };
2162 
2163 
2164 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2165                                     struct snd_ctl_elem_info *uinfo)
2166 {
2167         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2168         uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2169         uinfo->value.integer.min = 0;
2170         uinfo->value.integer.max = 255;
2171         return 0;
2172 }
2173 
2174 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2175                                    struct snd_ctl_elem_value *ucontrol)
2176 {
2177         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2178         int idx;
2179 
2180         spin_lock_irq(&ice->reg_lock);
2181         for (idx = 0; idx < 22; idx++) {
2182                 outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2183                 ucontrol->value.integer.value[idx] =
2184                         inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2185         }
2186         spin_unlock_irq(&ice->reg_lock);
2187         return 0;
2188 }
2189 
2190 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2191         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2192         .name = "Multi Track Peak",
2193         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2194         .info = snd_vt1724_pro_peak_info,
2195         .get = snd_vt1724_pro_peak_get
2196 };
2197 
2198 /*
2199  *
2200  */
2201 
2202 static struct snd_ice1712_card_info no_matched;
2203 
2204 
2205 /*
2206   ooAoo cards with no controls
2207 */
2208 static unsigned char ooaoo_sq210_eeprom[] = {
2209         [ICE_EEP2_SYSCONF]     = 0x4c,  /* 49MHz crystal, no mpu401, no ADC,
2210                                            1xDACs */
2211         [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
2212         [ICE_EEP2_I2S]         = 0x78,  /* no volume, 96k, 24bit, 192k */
2213         [ICE_EEP2_SPDIF]       = 0xc1,  /* out-en, out-int, out-ext */
2214         [ICE_EEP2_GPIO_DIR]    = 0x00,  /* no GPIOs are used */
2215         [ICE_EEP2_GPIO_DIR1]   = 0x00,
2216         [ICE_EEP2_GPIO_DIR2]   = 0x00,
2217         [ICE_EEP2_GPIO_MASK]   = 0xff,
2218         [ICE_EEP2_GPIO_MASK1]  = 0xff,
2219         [ICE_EEP2_GPIO_MASK2]  = 0xff,
2220 
2221         [ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2222         [ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2223                                           and GPIO15 always zero */
2224         [ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2225 };
2226 
2227 
2228 static struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2229         {
2230                 .name = "ooAoo SQ210a",
2231                 .model = "sq210a",
2232                 .eeprom_size = sizeof(ooaoo_sq210_eeprom),
2233                 .eeprom_data = ooaoo_sq210_eeprom,
2234         },
2235         { } /* terminator */
2236 };
2237 
2238 static struct snd_ice1712_card_info *card_tables[] = {
2239         snd_vt1724_revo_cards,
2240         snd_vt1724_amp_cards,
2241         snd_vt1724_aureon_cards,
2242         snd_vt1720_mobo_cards,
2243         snd_vt1720_pontis_cards,
2244         snd_vt1724_prodigy_hifi_cards,
2245         snd_vt1724_prodigy192_cards,
2246         snd_vt1724_juli_cards,
2247         snd_vt1724_maya44_cards,
2248         snd_vt1724_phase_cards,
2249         snd_vt1724_wtm_cards,
2250         snd_vt1724_se_cards,
2251         snd_vt1724_qtet_cards,
2252         snd_vt1724_ooaoo_cards,
2253         snd_vt1724_psc724_cards,
2254         NULL,
2255 };
2256 
2257 
2258 /*
2259  */
2260 
2261 static void wait_i2c_busy(struct snd_ice1712 *ice)
2262 {
2263         int t = 0x10000;
2264         while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2265                 ;
2266         if (t == -1)
2267                 dev_err(ice->card->dev, "i2c busy timeout\n");
2268 }
2269 
2270 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2271                                   unsigned char dev, unsigned char addr)
2272 {
2273         unsigned char val;
2274 
2275         mutex_lock(&ice->i2c_mutex);
2276         wait_i2c_busy(ice);
2277         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2278         outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2279         wait_i2c_busy(ice);
2280         val = inb(ICEREG1724(ice, I2C_DATA));
2281         mutex_unlock(&ice->i2c_mutex);
2282         /*
2283         dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2284         */
2285         return val;
2286 }
2287 
2288 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2289                           unsigned char dev, unsigned char addr, unsigned char data)
2290 {
2291         mutex_lock(&ice->i2c_mutex);
2292         wait_i2c_busy(ice);
2293         /*
2294         dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2295         */
2296         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2297         outb(data, ICEREG1724(ice, I2C_DATA));
2298         outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2299         wait_i2c_busy(ice);
2300         mutex_unlock(&ice->i2c_mutex);
2301 }
2302 
2303 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2304                                   const char *modelname)
2305 {
2306         const int dev = 0xa0;           /* EEPROM device address */
2307         unsigned int i, size;
2308         struct snd_ice1712_card_info * const *tbl, *c;
2309 
2310         if (!modelname || !*modelname) {
2311                 ice->eeprom.subvendor = 0;
2312                 if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2313                         ice->eeprom.subvendor =
2314                                 (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2315                                 (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2316                                 (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2317                                 (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2318                 if (ice->eeprom.subvendor == 0 ||
2319                     ice->eeprom.subvendor == (unsigned int)-1) {
2320                         /* invalid subvendor from EEPROM, try the PCI
2321                          * subststem ID instead
2322                          */
2323                         u16 vendor, device;
2324                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2325                                              &vendor);
2326                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2327                         ice->eeprom.subvendor =
2328                                 ((unsigned int)swab16(vendor) << 16) | swab16(device);
2329                         if (ice->eeprom.subvendor == 0 ||
2330                             ice->eeprom.subvendor == (unsigned int)-1) {
2331                                 dev_err(ice->card->dev,
2332                                         "No valid ID is found\n");
2333                                 return -ENXIO;
2334                         }
2335                 }
2336         }
2337         for (tbl = card_tables; *tbl; tbl++) {
2338                 for (c = *tbl; c->name; c++) {
2339                         if (modelname && c->model &&
2340                             !strcmp(modelname, c->model)) {
2341                                 dev_info(ice->card->dev,
2342                                          "Using board model %s\n",
2343                                        c->name);
2344                                 ice->eeprom.subvendor = c->subvendor;
2345                         } else if (c->subvendor != ice->eeprom.subvendor)
2346                                 continue;
2347                         ice->card_info = c;
2348                         if (!c->eeprom_size || !c->eeprom_data)
2349                                 goto found;
2350                         /* if the EEPROM is given by the driver, use it */
2351                         dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2352                         ice->eeprom.version = 2;
2353                         ice->eeprom.size = c->eeprom_size + 6;
2354                         memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2355                         goto read_skipped;
2356                 }
2357         }
2358         dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2359                ice->eeprom.subvendor);
2360 #ifdef CONFIG_PM_SLEEP
2361         /* assume AC97-only card which can suspend without additional code */
2362         ice->pm_suspend_enabled = 1;
2363 #endif
2364 
2365  found:
2366         ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2367         if (ice->eeprom.size < 6)
2368                 ice->eeprom.size = 32;
2369         else if (ice->eeprom.size > 32) {
2370                 dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2371                        ice->eeprom.size);
2372                 return -EIO;
2373         }
2374         ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2375         if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2376                 dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2377                        ice->eeprom.version);
2378         size = ice->eeprom.size - 6;
2379         for (i = 0; i < size; i++)
2380                 ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2381 
2382  read_skipped:
2383         ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2384         ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2385         ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2386 
2387         return 0;
2388 }
2389 
2390 
2391 
2392 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2393 {
2394         outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2395         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2396         msleep(10);
2397         outb(0, ICEREG1724(ice, CONTROL));
2398         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2399         msleep(10);
2400 }
2401 
2402 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2403 {
2404         outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2405         outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2406         outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2407         outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2408 
2409         ice->gpio.write_mask = ice->eeprom.gpiomask;
2410         ice->gpio.direction = ice->eeprom.gpiodir;
2411         snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2412         snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2413         snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2414 
2415         outb(0, ICEREG1724(ice, POWERDOWN));
2416 
2417         /* MPU_RX and TX irq masks are cleared later dynamically */
2418         outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2419 
2420         /* don't handle FIFO overrun/underruns (just yet),
2421          * since they cause machine lockups
2422          */
2423         outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2424 
2425         return 0;
2426 }
2427 
2428 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2429 {
2430         int err;
2431         struct snd_kcontrol *kctl;
2432 
2433         if (snd_BUG_ON(!ice->pcm))
2434                 return -EIO;
2435 
2436         if (!ice->own_routing) {
2437                 err = snd_ctl_add(ice->card,
2438                         snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2439                 if (err < 0)
2440                         return err;
2441         }
2442 
2443         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2444         if (err < 0)
2445                 return err;
2446 
2447         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2448         if (err < 0)
2449                 return err;
2450         kctl->id.device = ice->pcm->device;
2451         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2452         if (err < 0)
2453                 return err;
2454         kctl->id.device = ice->pcm->device;
2455         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2456         if (err < 0)
2457                 return err;
2458         kctl->id.device = ice->pcm->device;
2459 #if 0 /* use default only */
2460         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2461         if (err < 0)
2462                 return err;
2463         kctl->id.device = ice->pcm->device;
2464         ice->spdif.stream_ctl = kctl;
2465 #endif
2466         return 0;
2467 }
2468 
2469 
2470 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2471 {
2472         int err;
2473 
2474         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2475         if (err < 0)
2476                 return err;
2477         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2478         if (err < 0)
2479                 return err;
2480 
2481         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2482         if (err < 0)
2483                 return err;
2484         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2485         if (err < 0)
2486                 return err;
2487 
2488         if (!ice->own_routing && ice->num_total_dacs > 0) {
2489                 struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2490                 tmp.count = ice->num_total_dacs;
2491                 if (ice->vt1720 && tmp.count > 2)
2492                         tmp.count = 2;
2493                 err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2494                 if (err < 0)
2495                         return err;
2496         }
2497 
2498         return snd_ctl_add(ice->card,
2499                            snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2500 }
2501 
2502 static int snd_vt1724_free(struct snd_ice1712 *ice)
2503 {
2504         if (!ice->port)
2505                 goto __hw_end;
2506         /* mask all interrupts */
2507         outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2508         outb(0xff, ICEREG1724(ice, IRQMASK));
2509         /* --- */
2510 __hw_end:
2511         if (ice->irq >= 0)
2512                 free_irq(ice->irq, ice);
2513         pci_release_regions(ice->pci);
2514         snd_ice1712_akm4xxx_free(ice);
2515         pci_disable_device(ice->pci);
2516         kfree(ice->spec);
2517         kfree(ice);
2518         return 0;
2519 }
2520 
2521 static int snd_vt1724_dev_free(struct snd_device *device)
2522 {
2523         struct snd_ice1712 *ice = device->device_data;
2524         return snd_vt1724_free(ice);
2525 }
2526 
2527 static int snd_vt1724_create(struct snd_card *card,
2528                              struct pci_dev *pci,
2529                              const char *modelname,
2530                              struct snd_ice1712 **r_ice1712)
2531 {
2532         struct snd_ice1712 *ice;
2533         int err;
2534         static struct snd_device_ops ops = {
2535                 .dev_free =     snd_vt1724_dev_free,
2536         };
2537 
2538         *r_ice1712 = NULL;
2539 
2540         /* enable PCI device */
2541         err = pci_enable_device(pci);
2542         if (err < 0)
2543                 return err;
2544 
2545         ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2546         if (ice == NULL) {
2547                 pci_disable_device(pci);
2548                 return -ENOMEM;
2549         }
2550         ice->vt1724 = 1;
2551         spin_lock_init(&ice->reg_lock);
2552         mutex_init(&ice->gpio_mutex);
2553         mutex_init(&ice->open_mutex);
2554         mutex_init(&ice->i2c_mutex);
2555         ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2556         ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2557         ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2558         ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2559         ice->gpio.set_data = snd_vt1724_set_gpio_data;
2560         ice->gpio.get_data = snd_vt1724_get_gpio_data;
2561         ice->card = card;
2562         ice->pci = pci;
2563         ice->irq = -1;
2564         pci_set_master(pci);
2565         snd_vt1724_proc_init(ice);
2566         synchronize_irq(pci->irq);
2567 
2568         card->private_data = ice;
2569 
2570         err = pci_request_regions(pci, "ICE1724");
2571         if (err < 0) {
2572                 kfree(ice);
2573                 pci_disable_device(pci);
2574                 return err;
2575         }
2576         ice->port = pci_resource_start(pci, 0);
2577         ice->profi_port = pci_resource_start(pci, 1);
2578 
2579         if (request_irq(pci->irq, snd_vt1724_interrupt,
2580                         IRQF_SHARED, KBUILD_MODNAME, ice)) {
2581                 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2582                 snd_vt1724_free(ice);
2583                 return -EIO;
2584         }
2585 
2586         ice->irq = pci->irq;
2587 
2588         snd_vt1724_chip_reset(ice);
2589         if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2590                 snd_vt1724_free(ice);
2591                 return -EIO;
2592         }
2593         if (snd_vt1724_chip_init(ice) < 0) {
2594                 snd_vt1724_free(ice);
2595                 return -EIO;
2596         }
2597 
2598         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2599         if (err < 0) {
2600                 snd_vt1724_free(ice);
2601                 return err;
2602         }
2603 
2604         *r_ice1712 = ice;
2605         return 0;
2606 }
2607 
2608 
2609 /*
2610  *
2611  * Registration
2612  *
2613  */
2614 
2615 static int snd_vt1724_probe(struct pci_dev *pci,
2616                             const struct pci_device_id *pci_id)
2617 {
2618         static int dev;
2619         struct snd_card *card;
2620         struct snd_ice1712 *ice;
2621         int pcm_dev = 0, err;
2622         struct snd_ice1712_card_info * const *tbl, *c;
2623 
2624         if (dev >= SNDRV_CARDS)
2625                 return -ENODEV;
2626         if (!enable[dev]) {
2627                 dev++;
2628                 return -ENOENT;
2629         }
2630 
2631         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2632                            0, &card);
2633         if (err < 0)
2634                 return err;
2635 
2636         strcpy(card->driver, "ICE1724");
2637         strcpy(card->shortname, "ICEnsemble ICE1724");
2638 
2639         err = snd_vt1724_create(card, pci, model[dev], &ice);
2640         if (err < 0) {
2641                 snd_card_free(card);
2642                 return err;
2643         }
2644 
2645         /* field init before calling chip_init */
2646         ice->ext_clock_count = 0;
2647 
2648         for (tbl = card_tables; *tbl; tbl++) {
2649                 for (c = *tbl; c->name; c++) {
2650                         if ((model[dev] && c->model &&
2651                              !strcmp(model[dev], c->model)) ||
2652                             (c->subvendor == ice->eeprom.subvendor)) {
2653                                 strcpy(card->shortname, c->name);
2654                                 if (c->driver) /* specific driver? */
2655                                         strcpy(card->driver, c->driver);
2656                                 if (c->chip_init) {
2657                                         err = c->chip_init(ice);
2658                                         if (err < 0) {
2659                                                 snd_card_free(card);
2660                                                 return err;
2661                                         }
2662                                 }
2663                                 goto __found;
2664                         }
2665                 }
2666         }
2667         c = &no_matched;
2668 __found:
2669         /*
2670         * VT1724 has separate DMAs for the analog and the SPDIF streams while
2671         * ICE1712 has only one for both (mixed up).
2672         *
2673         * Confusingly the analog PCM is named "professional" here because it
2674         * was called so in ice1712 driver, and vt1724 driver is derived from
2675         * ice1712 driver.
2676         */
2677         ice->pro_rate_default = PRO_RATE_DEFAULT;
2678         if (!ice->is_spdif_master)
2679                 ice->is_spdif_master = stdclock_is_spdif_master;
2680         if (!ice->get_rate)
2681                 ice->get_rate = stdclock_get_rate;
2682         if (!ice->set_rate)
2683                 ice->set_rate = stdclock_set_rate;
2684         if (!ice->set_mclk)
2685                 ice->set_mclk = stdclock_set_mclk;
2686         if (!ice->set_spdif_clock)
2687                 ice->set_spdif_clock = stdclock_set_spdif_clock;
2688         if (!ice->get_spdif_master_type)
2689                 ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2690         if (!ice->ext_clock_names)
2691                 ice->ext_clock_names = ext_clock_names;
2692         if (!ice->ext_clock_count)
2693                 ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2694 
2695         if (!ice->hw_rates)
2696                 set_std_hw_rates(ice);
2697 
2698         err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2699         if (err < 0) {
2700                 snd_card_free(card);
2701                 return err;
2702         }
2703 
2704         err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2705         if (err < 0) {
2706                 snd_card_free(card);
2707                 return err;
2708         }
2709 
2710         err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2711         if (err < 0) {
2712                 snd_card_free(card);
2713                 return err;
2714         }
2715 
2716         err = snd_vt1724_ac97_mixer(ice);
2717         if (err < 0) {
2718                 snd_card_free(card);
2719                 return err;
2720         }
2721 
2722         err = snd_vt1724_build_controls(ice);
2723         if (err < 0) {
2724                 snd_card_free(card);
2725                 return err;
2726         }
2727 
2728         if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2729                 err = snd_vt1724_spdif_build_controls(ice);
2730                 if (err < 0) {
2731                         snd_card_free(card);
2732                         return err;
2733                 }
2734         }
2735 
2736         if (c->build_controls) {
2737                 err = c->build_controls(ice);
2738                 if (err < 0) {
2739                         snd_card_free(card);
2740                         return err;
2741                 }
2742         }
2743 
2744         if (!c->no_mpu401) {
2745                 if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2746                         struct snd_rawmidi *rmidi;
2747 
2748                         err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2749                         if (err < 0) {
2750                                 snd_card_free(card);
2751                                 return err;
2752                         }
2753                         ice->rmidi[0] = rmidi;
2754                         rmidi->private_data = ice;
2755                         strcpy(rmidi->name, "ICE1724 MIDI");
2756                         rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2757                                             SNDRV_RAWMIDI_INFO_INPUT |
2758                                             SNDRV_RAWMIDI_INFO_DUPLEX;
2759                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2760                                             &vt1724_midi_output_ops);
2761                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2762                                             &vt1724_midi_input_ops);
2763 
2764                         /* set watermarks */
2765                         outb(VT1724_MPU_RX_FIFO | 0x1,
2766                              ICEREG1724(ice, MPU_FIFO_WM));
2767                         outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2768                         /* set UART mode */
2769                         outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2770                 }
2771         }
2772 
2773         sprintf(card->longname, "%s at 0x%lx, irq %i",
2774                 card->shortname, ice->port, ice->irq);
2775 
2776         err = snd_card_register(card);
2777         if (err < 0) {
2778                 snd_card_free(card);
2779                 return err;
2780         }
2781         pci_set_drvdata(pci, card);
2782         dev++;
2783         return 0;
2784 }
2785 
2786 static void snd_vt1724_remove(struct pci_dev *pci)
2787 {
2788         struct snd_card *card = pci_get_drvdata(pci);
2789         struct snd_ice1712 *ice = card->private_data;
2790 
2791         if (ice->card_info && ice->card_info->chip_exit)
2792                 ice->card_info->chip_exit(ice);
2793         snd_card_free(card);
2794 }
2795 
2796 #ifdef CONFIG_PM_SLEEP
2797 static int snd_vt1724_suspend(struct device *dev)
2798 {
2799         struct snd_card *card = dev_get_drvdata(dev);
2800         struct snd_ice1712 *ice = card->private_data;
2801 
2802         if (!ice->pm_suspend_enabled)
2803                 return 0;
2804 
2805         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2806 
2807         snd_pcm_suspend_all(ice->pcm);
2808         snd_pcm_suspend_all(ice->pcm_pro);
2809         snd_pcm_suspend_all(ice->pcm_ds);
2810         snd_ac97_suspend(ice->ac97);
2811 
2812         spin_lock_irq(&ice->reg_lock);
2813         ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2814         ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2815         ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2816         ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2817         spin_unlock_irq(&ice->reg_lock);
2818 
2819         if (ice->pm_suspend)
2820                 ice->pm_suspend(ice);
2821         return 0;
2822 }
2823 
2824 static int snd_vt1724_resume(struct device *dev)
2825 {
2826         struct snd_card *card = dev_get_drvdata(dev);
2827         struct snd_ice1712 *ice = card->private_data;
2828 
2829         if (!ice->pm_suspend_enabled)
2830                 return 0;
2831 
2832         snd_vt1724_chip_reset(ice);
2833 
2834         if (snd_vt1724_chip_init(ice) < 0) {
2835                 snd_card_disconnect(card);
2836                 return -EIO;
2837         }
2838 
2839         if (ice->pm_resume)
2840                 ice->pm_resume(ice);
2841 
2842         if (ice->pm_saved_is_spdif_master) {
2843                 /* switching to external clock via SPDIF */
2844                 ice->set_spdif_clock(ice, 0);
2845         } else {
2846                 /* internal on-card clock */
2847                 int rate;
2848                 if (ice->cur_rate)
2849                         rate = ice->cur_rate;
2850                 else
2851                         rate = ice->pro_rate_default;
2852                 snd_vt1724_set_pro_rate(ice, rate, 1);
2853         }
2854 
2855         update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2856 
2857         outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2858         outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2859 
2860         snd_ac97_resume(ice->ac97);
2861 
2862         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2863         return 0;
2864 }
2865 
2866 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2867 #define SND_VT1724_PM_OPS       &snd_vt1724_pm
2868 #else
2869 #define SND_VT1724_PM_OPS       NULL
2870 #endif /* CONFIG_PM_SLEEP */
2871 
2872 static struct pci_driver vt1724_driver = {
2873         .name = KBUILD_MODNAME,
2874         .id_table = snd_vt1724_ids,
2875         .probe = snd_vt1724_probe,
2876         .remove = snd_vt1724_remove,
2877         .driver = {
2878                 .pm = SND_VT1724_PM_OPS,
2879         },
2880 };
2881 
2882 module_pci_driver(vt1724_driver);
2883 

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