Version:  2.0.40 2.2.26 2.4.37 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18

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         unsigned int rate;
624         rate = stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
625         return rate;
626 }
627 
628 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
629 {
630         int i;
631         for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
632                 if (stdclock_rate_list[i] == rate) {
633                         outb(i, ICEMT1724(ice, RATE));
634                         return;
635                 }
636         }
637 }
638 
639 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
640                                        unsigned int rate)
641 {
642         unsigned char val, old;
643         /* check MT02 */
644         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
645                 val = old = inb(ICEMT1724(ice, I2S_FORMAT));
646                 if (rate > 96000)
647                         val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
648                 else
649                         val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
650                 if (val != old) {
651                         outb(val, ICEMT1724(ice, I2S_FORMAT));
652                         /* master clock changed */
653                         return 1;
654                 }
655         }
656         /* no change in master clock */
657         return 0;
658 }
659 
660 static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
661                                     int force)
662 {
663         unsigned long flags;
664         unsigned char mclk_change;
665         unsigned int i, old_rate;
666 
667         if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
668                 return -EINVAL;
669 
670         spin_lock_irqsave(&ice->reg_lock, flags);
671         if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
672             (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
673                 /* running? we cannot change the rate now... */
674                 spin_unlock_irqrestore(&ice->reg_lock, flags);
675                 return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
676         }
677         if (!force && is_pro_rate_locked(ice)) {
678                 /* comparing required and current rate - makes sense for
679                  * internal clock only */
680                 spin_unlock_irqrestore(&ice->reg_lock, flags);
681                 return (rate == ice->cur_rate) ? 0 : -EBUSY;
682         }
683 
684         if (force || !ice->is_spdif_master(ice)) {
685                 /* force means the rate was switched by ucontrol, otherwise
686                  * setting clock rate for internal clock mode */
687                 old_rate = ice->get_rate(ice);
688                 if (force || (old_rate != rate))
689                         ice->set_rate(ice, rate);
690                 else if (rate == ice->cur_rate) {
691                         spin_unlock_irqrestore(&ice->reg_lock, flags);
692                         return 0;
693                 }
694         }
695 
696         ice->cur_rate = rate;
697 
698         /* setting master clock */
699         mclk_change = ice->set_mclk(ice, rate);
700 
701         spin_unlock_irqrestore(&ice->reg_lock, flags);
702 
703         if (mclk_change && ice->gpio.i2s_mclk_changed)
704                 ice->gpio.i2s_mclk_changed(ice);
705         if (ice->gpio.set_pro_rate)
706                 ice->gpio.set_pro_rate(ice, rate);
707 
708         /* set up codecs */
709         for (i = 0; i < ice->akm_codecs; i++) {
710                 if (ice->akm[i].ops.set_rate_val)
711                         ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
712         }
713         if (ice->spdif.ops.setup_rate)
714                 ice->spdif.ops.setup_rate(ice, rate);
715 
716         return 0;
717 }
718 
719 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
720                                     struct snd_pcm_hw_params *hw_params)
721 {
722         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
723         int i, chs, err;
724 
725         chs = params_channels(hw_params);
726         mutex_lock(&ice->open_mutex);
727         /* mark surround channels */
728         if (substream == ice->playback_pro_substream) {
729                 /* PDMA0 can be multi-channel up to 8 */
730                 chs = chs / 2 - 1;
731                 for (i = 0; i < chs; i++) {
732                         if (ice->pcm_reserved[i] &&
733                             ice->pcm_reserved[i] != substream) {
734                                 mutex_unlock(&ice->open_mutex);
735                                 return -EBUSY;
736                         }
737                         ice->pcm_reserved[i] = substream;
738                 }
739                 for (; i < 3; i++) {
740                         if (ice->pcm_reserved[i] == substream)
741                                 ice->pcm_reserved[i] = NULL;
742                 }
743         } else {
744                 for (i = 0; i < 3; i++) {
745                         /* check individual playback stream */
746                         if (ice->playback_con_substream_ds[i] == substream) {
747                                 if (ice->pcm_reserved[i] &&
748                                     ice->pcm_reserved[i] != substream) {
749                                         mutex_unlock(&ice->open_mutex);
750                                         return -EBUSY;
751                                 }
752                                 ice->pcm_reserved[i] = substream;
753                                 break;
754                         }
755                 }
756         }
757         mutex_unlock(&ice->open_mutex);
758 
759         err = snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
760         if (err < 0)
761                 return err;
762 
763         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
764 }
765 
766 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
767 {
768         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
769         int i;
770 
771         mutex_lock(&ice->open_mutex);
772         /* unmark surround channels */
773         for (i = 0; i < 3; i++)
774                 if (ice->pcm_reserved[i] == substream)
775                         ice->pcm_reserved[i] = NULL;
776         mutex_unlock(&ice->open_mutex);
777         return snd_pcm_lib_free_pages(substream);
778 }
779 
780 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
781 {
782         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
783         unsigned char val;
784         unsigned int size;
785 
786         spin_lock_irq(&ice->reg_lock);
787         val = (8 - substream->runtime->channels) >> 1;
788         outb(val, ICEMT1724(ice, BURST));
789 
790         outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
791 
792         size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
793         /* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
794         outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
795         outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
796         size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
797         /* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
798         outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
799         outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
800 
801         spin_unlock_irq(&ice->reg_lock);
802 
803         /*
804         dev_dbg(ice->card->dev, "pro prepare: ch = %d, addr = 0x%x, "
805                "buffer = 0x%x, period = 0x%x\n",
806                substream->runtime->channels,
807                (unsigned int)substream->runtime->dma_addr,
808                snd_pcm_lib_buffer_bytes(substream),
809                snd_pcm_lib_period_bytes(substream));
810         */
811         return 0;
812 }
813 
814 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
815 {
816         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
817         size_t ptr;
818 
819         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
820                 return 0;
821 #if 0 /* read PLAYBACK_ADDR */
822         ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
823         if (ptr < substream->runtime->dma_addr) {
824                 dev_dbg(ice->card->dev, "invalid negative ptr\n");
825                 return 0;
826         }
827         ptr -= substream->runtime->dma_addr;
828         ptr = bytes_to_frames(substream->runtime, ptr);
829         if (ptr >= substream->runtime->buffer_size) {
830                 dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
831                            (int)ptr, (int)substream->runtime->period_size);
832                 return 0;
833         }
834 #else /* read PLAYBACK_SIZE */
835         ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
836         ptr = (ptr + 1) << 2;
837         ptr = bytes_to_frames(substream->runtime, ptr);
838         if (!ptr)
839                 ;
840         else if (ptr <= substream->runtime->buffer_size)
841                 ptr = substream->runtime->buffer_size - ptr;
842         else {
843                 dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
844                            (int)ptr, (int)substream->runtime->buffer_size);
845                 ptr = 0;
846         }
847 #endif
848         return ptr;
849 }
850 
851 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
852 {
853         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
854         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
855 
856         spin_lock_irq(&ice->reg_lock);
857         outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
858         outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
859              ice->profi_port + reg->size);
860         outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
861              ice->profi_port + reg->count);
862         spin_unlock_irq(&ice->reg_lock);
863         return 0;
864 }
865 
866 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
867 {
868         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
869         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
870         size_t ptr;
871 
872         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
873                 return 0;
874 #if 0 /* use ADDR register */
875         ptr = inl(ice->profi_port + reg->addr);
876         ptr -= substream->runtime->dma_addr;
877         return bytes_to_frames(substream->runtime, ptr);
878 #else /* use SIZE register */
879         ptr = inw(ice->profi_port + reg->size);
880         ptr = (ptr + 1) << 2;
881         ptr = bytes_to_frames(substream->runtime, ptr);
882         if (!ptr)
883                 ;
884         else if (ptr <= substream->runtime->buffer_size)
885                 ptr = substream->runtime->buffer_size - ptr;
886         else {
887                 dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
888                            (int)ptr, (int)substream->runtime->buffer_size);
889                 ptr = 0;
890         }
891         return ptr;
892 #endif
893 }
894 
895 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
896         .addr = VT1724_MT_PLAYBACK_ADDR,
897         .size = VT1724_MT_PLAYBACK_SIZE,
898         .count = VT1724_MT_PLAYBACK_COUNT,
899         .start = VT1724_PDMA0_START,
900 };
901 
902 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
903         .addr = VT1724_MT_PDMA4_ADDR,
904         .size = VT1724_MT_PDMA4_SIZE,
905         .count = VT1724_MT_PDMA4_COUNT,
906         .start = VT1724_PDMA4_START,
907 };
908 
909 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
910         .addr = VT1724_MT_CAPTURE_ADDR,
911         .size = VT1724_MT_CAPTURE_SIZE,
912         .count = VT1724_MT_CAPTURE_COUNT,
913         .start = VT1724_RDMA0_START,
914 };
915 
916 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
917         .addr = VT1724_MT_RDMA1_ADDR,
918         .size = VT1724_MT_RDMA1_SIZE,
919         .count = VT1724_MT_RDMA1_COUNT,
920         .start = VT1724_RDMA1_START,
921 };
922 
923 #define vt1724_playback_pro_reg vt1724_pdma0_reg
924 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
925 #define vt1724_capture_pro_reg vt1724_rdma0_reg
926 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
927 
928 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
929         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
930                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
931                                  SNDRV_PCM_INFO_MMAP_VALID |
932                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
933         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
934         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
935         .rate_min =             8000,
936         .rate_max =             192000,
937         .channels_min =         2,
938         .channels_max =         8,
939         .buffer_bytes_max =     (1UL << 21),    /* 19bits dword */
940         .period_bytes_min =     8 * 4 * 2,      /* FIXME: constraints needed */
941         .period_bytes_max =     (1UL << 21),
942         .periods_min =          2,
943         .periods_max =          1024,
944 };
945 
946 static const struct snd_pcm_hardware snd_vt1724_spdif = {
947         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
948                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
949                                  SNDRV_PCM_INFO_MMAP_VALID |
950                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
951         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
952         .rates =                (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
953                                  SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
954                                  SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
955                                  SNDRV_PCM_RATE_192000),
956         .rate_min =             32000,
957         .rate_max =             192000,
958         .channels_min =         2,
959         .channels_max =         2,
960         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
961         .period_bytes_min =     2 * 4 * 2,
962         .period_bytes_max =     (1UL << 18),
963         .periods_min =          2,
964         .periods_max =          1024,
965 };
966 
967 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
968         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
969                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
970                                  SNDRV_PCM_INFO_MMAP_VALID |
971                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
972         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
973         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
974         .rate_min =             8000,
975         .rate_max =             192000,
976         .channels_min =         2,
977         .channels_max =         2,
978         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
979         .period_bytes_min =     2 * 4 * 2,
980         .period_bytes_max =     (1UL << 18),
981         .periods_min =          2,
982         .periods_max =          1024,
983 };
984 
985 /*
986  * set rate constraints
987  */
988 static void set_std_hw_rates(struct snd_ice1712 *ice)
989 {
990         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
991                 /* I2S */
992                 /* VT1720 doesn't support more than 96kHz */
993                 if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
994                         ice->hw_rates = &hw_constraints_rates_192;
995                 else
996                         ice->hw_rates = &hw_constraints_rates_96;
997         } else {
998                 /* ACLINK */
999                 ice->hw_rates = &hw_constraints_rates_48;
1000         }
1001 }
1002 
1003 static int set_rate_constraints(struct snd_ice1712 *ice,
1004                                 struct snd_pcm_substream *substream)
1005 {
1006         struct snd_pcm_runtime *runtime = substream->runtime;
1007 
1008         runtime->hw.rate_min = ice->hw_rates->list[0];
1009         runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
1010         runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
1011         return snd_pcm_hw_constraint_list(runtime, 0,
1012                                           SNDRV_PCM_HW_PARAM_RATE,
1013                                           ice->hw_rates);
1014 }
1015 
1016 /* if the card has the internal rate locked (is_pro_locked), limit runtime
1017    hw rates to the current internal rate only.
1018 */
1019 static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
1020 {
1021         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1022         struct snd_pcm_runtime *runtime = substream->runtime;
1023         unsigned int rate;
1024         if (is_pro_rate_locked(ice)) {
1025                 rate = ice->get_rate(ice);
1026                 if (rate >= runtime->hw.rate_min
1027                     && rate <= runtime->hw.rate_max) {
1028                         runtime->hw.rate_min = rate;
1029                         runtime->hw.rate_max = rate;
1030                 }
1031         }
1032 }
1033 
1034 
1035 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1036  * actually used
1037  */
1038 #define VT1724_BUFFER_ALIGN     0x20
1039 
1040 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1041 {
1042         struct snd_pcm_runtime *runtime = substream->runtime;
1043         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1044         int chs, num_indeps;
1045 
1046         runtime->private_data = (void *)&vt1724_playback_pro_reg;
1047         ice->playback_pro_substream = substream;
1048         runtime->hw = snd_vt1724_playback_pro;
1049         snd_pcm_set_sync(substream);
1050         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1051         set_rate_constraints(ice, substream);
1052         mutex_lock(&ice->open_mutex);
1053         /* calculate the currently available channels */
1054         num_indeps = ice->num_total_dacs / 2 - 1;
1055         for (chs = 0; chs < num_indeps; chs++) {
1056                 if (ice->pcm_reserved[chs])
1057                         break;
1058         }
1059         chs = (chs + 1) * 2;
1060         runtime->hw.channels_max = chs;
1061         if (chs > 2) /* channels must be even */
1062                 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1063         mutex_unlock(&ice->open_mutex);
1064         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1065                                    VT1724_BUFFER_ALIGN);
1066         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1067                                    VT1724_BUFFER_ALIGN);
1068         constrain_rate_if_locked(substream);
1069         if (ice->pro_open)
1070                 ice->pro_open(ice, substream);
1071         return 0;
1072 }
1073 
1074 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1075 {
1076         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1077         struct snd_pcm_runtime *runtime = substream->runtime;
1078 
1079         runtime->private_data = (void *)&vt1724_capture_pro_reg;
1080         ice->capture_pro_substream = substream;
1081         runtime->hw = snd_vt1724_2ch_stereo;
1082         snd_pcm_set_sync(substream);
1083         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1084         set_rate_constraints(ice, substream);
1085         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1086                                    VT1724_BUFFER_ALIGN);
1087         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1088                                    VT1724_BUFFER_ALIGN);
1089         constrain_rate_if_locked(substream);
1090         if (ice->pro_open)
1091                 ice->pro_open(ice, substream);
1092         return 0;
1093 }
1094 
1095 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1096 {
1097         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1098 
1099         if (PRO_RATE_RESET)
1100                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1101         ice->playback_pro_substream = NULL;
1102 
1103         return 0;
1104 }
1105 
1106 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1107 {
1108         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1109 
1110         if (PRO_RATE_RESET)
1111                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1112         ice->capture_pro_substream = NULL;
1113         return 0;
1114 }
1115 
1116 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1117         .open =         snd_vt1724_playback_pro_open,
1118         .close =        snd_vt1724_playback_pro_close,
1119         .ioctl =        snd_pcm_lib_ioctl,
1120         .hw_params =    snd_vt1724_pcm_hw_params,
1121         .hw_free =      snd_vt1724_pcm_hw_free,
1122         .prepare =      snd_vt1724_playback_pro_prepare,
1123         .trigger =      snd_vt1724_pcm_trigger,
1124         .pointer =      snd_vt1724_playback_pro_pointer,
1125 };
1126 
1127 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1128         .open =         snd_vt1724_capture_pro_open,
1129         .close =        snd_vt1724_capture_pro_close,
1130         .ioctl =        snd_pcm_lib_ioctl,
1131         .hw_params =    snd_vt1724_pcm_hw_params,
1132         .hw_free =      snd_vt1724_pcm_hw_free,
1133         .prepare =      snd_vt1724_pcm_prepare,
1134         .trigger =      snd_vt1724_pcm_trigger,
1135         .pointer =      snd_vt1724_pcm_pointer,
1136 };
1137 
1138 static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1139 {
1140         struct snd_pcm *pcm;
1141         int capt, err;
1142 
1143         if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1144             VT1724_CFG_ADC_NONE)
1145                 capt = 0;
1146         else
1147                 capt = 1;
1148         err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1149         if (err < 0)
1150                 return err;
1151 
1152         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1153         if (capt)
1154                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1155                         &snd_vt1724_capture_pro_ops);
1156 
1157         pcm->private_data = ice;
1158         pcm->info_flags = 0;
1159         strcpy(pcm->name, "ICE1724");
1160 
1161         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1162                                               snd_dma_pci_data(ice->pci),
1163                                               256*1024, 256*1024);
1164 
1165         ice->pcm_pro = pcm;
1166 
1167         return 0;
1168 }
1169 
1170 
1171 /*
1172  * SPDIF PCM
1173  */
1174 
1175 /* update spdif control bits; call with reg_lock */
1176 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1177 {
1178         unsigned char cbit, disabled;
1179 
1180         cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1181         disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1182         if (cbit != disabled)
1183                 outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1184         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1185         if (cbit != disabled)
1186                 outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1187         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1188 }
1189 
1190 /* update SPDIF control bits according to the given rate */
1191 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1192 {
1193         unsigned int val, nval;
1194         unsigned long flags;
1195 
1196         spin_lock_irqsave(&ice->reg_lock, flags);
1197         nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1198         nval &= ~(7 << 12);
1199         switch (rate) {
1200         case 44100: break;
1201         case 48000: nval |= 2 << 12; break;
1202         case 32000: nval |= 3 << 12; break;
1203         case 88200: nval |= 4 << 12; break;
1204         case 96000: nval |= 5 << 12; break;
1205         case 192000: nval |= 6 << 12; break;
1206         case 176400: nval |= 7 << 12; break;
1207         }
1208         if (val != nval)
1209                 update_spdif_bits(ice, nval);
1210         spin_unlock_irqrestore(&ice->reg_lock, flags);
1211 }
1212 
1213 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1214 {
1215         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1216         if (!ice->force_pdma4)
1217                 update_spdif_rate(ice, substream->runtime->rate);
1218         return snd_vt1724_pcm_prepare(substream);
1219 }
1220 
1221 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1222 {
1223         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1224         struct snd_pcm_runtime *runtime = substream->runtime;
1225 
1226         runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1227         ice->playback_con_substream = substream;
1228         if (ice->force_pdma4) {
1229                 runtime->hw = snd_vt1724_2ch_stereo;
1230                 set_rate_constraints(ice, substream);
1231         } else
1232                 runtime->hw = snd_vt1724_spdif;
1233         snd_pcm_set_sync(substream);
1234         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1235         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1236                                    VT1724_BUFFER_ALIGN);
1237         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1238                                    VT1724_BUFFER_ALIGN);
1239         constrain_rate_if_locked(substream);
1240         if (ice->spdif.ops.open)
1241                 ice->spdif.ops.open(ice, substream);
1242         return 0;
1243 }
1244 
1245 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1246 {
1247         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1248 
1249         if (PRO_RATE_RESET)
1250                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1251         ice->playback_con_substream = NULL;
1252         if (ice->spdif.ops.close)
1253                 ice->spdif.ops.close(ice, substream);
1254 
1255         return 0;
1256 }
1257 
1258 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1259 {
1260         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1261         struct snd_pcm_runtime *runtime = substream->runtime;
1262 
1263         runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1264         ice->capture_con_substream = substream;
1265         if (ice->force_rdma1) {
1266                 runtime->hw = snd_vt1724_2ch_stereo;
1267                 set_rate_constraints(ice, substream);
1268         } else
1269                 runtime->hw = snd_vt1724_spdif;
1270         snd_pcm_set_sync(substream);
1271         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1272         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1273                                    VT1724_BUFFER_ALIGN);
1274         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1275                                    VT1724_BUFFER_ALIGN);
1276         constrain_rate_if_locked(substream);
1277         if (ice->spdif.ops.open)
1278                 ice->spdif.ops.open(ice, substream);
1279         return 0;
1280 }
1281 
1282 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1283 {
1284         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1285 
1286         if (PRO_RATE_RESET)
1287                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1288         ice->capture_con_substream = NULL;
1289         if (ice->spdif.ops.close)
1290                 ice->spdif.ops.close(ice, substream);
1291 
1292         return 0;
1293 }
1294 
1295 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1296         .open =         snd_vt1724_playback_spdif_open,
1297         .close =        snd_vt1724_playback_spdif_close,
1298         .ioctl =        snd_pcm_lib_ioctl,
1299         .hw_params =    snd_vt1724_pcm_hw_params,
1300         .hw_free =      snd_vt1724_pcm_hw_free,
1301         .prepare =      snd_vt1724_playback_spdif_prepare,
1302         .trigger =      snd_vt1724_pcm_trigger,
1303         .pointer =      snd_vt1724_pcm_pointer,
1304 };
1305 
1306 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1307         .open =         snd_vt1724_capture_spdif_open,
1308         .close =        snd_vt1724_capture_spdif_close,
1309         .ioctl =        snd_pcm_lib_ioctl,
1310         .hw_params =    snd_vt1724_pcm_hw_params,
1311         .hw_free =      snd_vt1724_pcm_hw_free,
1312         .prepare =      snd_vt1724_pcm_prepare,
1313         .trigger =      snd_vt1724_pcm_trigger,
1314         .pointer =      snd_vt1724_pcm_pointer,
1315 };
1316 
1317 
1318 static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1319 {
1320         char *name;
1321         struct snd_pcm *pcm;
1322         int play, capt;
1323         int err;
1324 
1325         if (ice->force_pdma4 ||
1326             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1327                 play = 1;
1328                 ice->has_spdif = 1;
1329         } else
1330                 play = 0;
1331         if (ice->force_rdma1 ||
1332             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1333                 capt = 1;
1334                 ice->has_spdif = 1;
1335         } else
1336                 capt = 0;
1337         if (!play && !capt)
1338                 return 0; /* no spdif device */
1339 
1340         if (ice->force_pdma4 || ice->force_rdma1)
1341                 name = "ICE1724 Secondary";
1342         else
1343                 name = "ICE1724 IEC958";
1344         err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1345         if (err < 0)
1346                 return err;
1347 
1348         if (play)
1349                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1350                                 &snd_vt1724_playback_spdif_ops);
1351         if (capt)
1352                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1353                                 &snd_vt1724_capture_spdif_ops);
1354 
1355         pcm->private_data = ice;
1356         pcm->info_flags = 0;
1357         strcpy(pcm->name, name);
1358 
1359         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1360                                               snd_dma_pci_data(ice->pci),
1361                                               256*1024, 256*1024);
1362 
1363         ice->pcm = pcm;
1364 
1365         return 0;
1366 }
1367 
1368 
1369 /*
1370  * independent surround PCMs
1371  */
1372 
1373 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1374         {
1375                 .addr = VT1724_MT_PDMA1_ADDR,
1376                 .size = VT1724_MT_PDMA1_SIZE,
1377                 .count = VT1724_MT_PDMA1_COUNT,
1378                 .start = VT1724_PDMA1_START,
1379         },
1380         {
1381                 .addr = VT1724_MT_PDMA2_ADDR,
1382                 .size = VT1724_MT_PDMA2_SIZE,
1383                 .count = VT1724_MT_PDMA2_COUNT,
1384                 .start = VT1724_PDMA2_START,
1385         },
1386         {
1387                 .addr = VT1724_MT_PDMA3_ADDR,
1388                 .size = VT1724_MT_PDMA3_SIZE,
1389                 .count = VT1724_MT_PDMA3_COUNT,
1390                 .start = VT1724_PDMA3_START,
1391         },
1392 };
1393 
1394 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1395 {
1396         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1397         unsigned char val;
1398 
1399         spin_lock_irq(&ice->reg_lock);
1400         val = 3 - substream->number;
1401         if (inb(ICEMT1724(ice, BURST)) < val)
1402                 outb(val, ICEMT1724(ice, BURST));
1403         spin_unlock_irq(&ice->reg_lock);
1404         return snd_vt1724_pcm_prepare(substream);
1405 }
1406 
1407 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1408 {
1409         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1410         struct snd_pcm_runtime *runtime = substream->runtime;
1411 
1412         mutex_lock(&ice->open_mutex);
1413         /* already used by PDMA0? */
1414         if (ice->pcm_reserved[substream->number]) {
1415                 mutex_unlock(&ice->open_mutex);
1416                 return -EBUSY; /* FIXME: should handle blocking mode properly */
1417         }
1418         mutex_unlock(&ice->open_mutex);
1419         runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1420         ice->playback_con_substream_ds[substream->number] = substream;
1421         runtime->hw = snd_vt1724_2ch_stereo;
1422         snd_pcm_set_sync(substream);
1423         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1424         set_rate_constraints(ice, substream);
1425         return 0;
1426 }
1427 
1428 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1429 {
1430         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1431 
1432         if (PRO_RATE_RESET)
1433                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1434         ice->playback_con_substream_ds[substream->number] = NULL;
1435         ice->pcm_reserved[substream->number] = NULL;
1436 
1437         return 0;
1438 }
1439 
1440 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1441         .open =         snd_vt1724_playback_indep_open,
1442         .close =        snd_vt1724_playback_indep_close,
1443         .ioctl =        snd_pcm_lib_ioctl,
1444         .hw_params =    snd_vt1724_pcm_hw_params,
1445         .hw_free =      snd_vt1724_pcm_hw_free,
1446         .prepare =      snd_vt1724_playback_indep_prepare,
1447         .trigger =      snd_vt1724_pcm_trigger,
1448         .pointer =      snd_vt1724_pcm_pointer,
1449 };
1450 
1451 
1452 static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1453 {
1454         struct snd_pcm *pcm;
1455         int play;
1456         int err;
1457 
1458         play = ice->num_total_dacs / 2 - 1;
1459         if (play <= 0)
1460                 return 0;
1461 
1462         err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1463         if (err < 0)
1464                 return err;
1465 
1466         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1467                         &snd_vt1724_playback_indep_ops);
1468 
1469         pcm->private_data = ice;
1470         pcm->info_flags = 0;
1471         strcpy(pcm->name, "ICE1724 Surround PCM");
1472 
1473         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1474                                               snd_dma_pci_data(ice->pci),
1475                                               256*1024, 256*1024);
1476 
1477         ice->pcm_ds = pcm;
1478 
1479         return 0;
1480 }
1481 
1482 
1483 /*
1484  *  Mixer section
1485  */
1486 
1487 static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1488 {
1489         int err;
1490 
1491         if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1492                 struct snd_ac97_bus *pbus;
1493                 struct snd_ac97_template ac97;
1494                 static struct snd_ac97_bus_ops ops = {
1495                         .write = snd_vt1724_ac97_write,
1496                         .read = snd_vt1724_ac97_read,
1497                 };
1498 
1499                 /* cold reset */
1500                 outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1501                 mdelay(5); /* FIXME */
1502                 outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1503 
1504                 err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1505                 if (err < 0)
1506                         return err;
1507                 memset(&ac97, 0, sizeof(ac97));
1508                 ac97.private_data = ice;
1509                 err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1510                 if (err < 0)
1511                         dev_warn(ice->card->dev,
1512                                  "cannot initialize pro ac97, skipped\n");
1513                 else
1514                         return 0;
1515         }
1516         /* I2S mixer only */
1517         strcat(ice->card->mixername, "ICE1724 - multitrack");
1518         return 0;
1519 }
1520 
1521 /*
1522  *
1523  */
1524 
1525 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1526 {
1527         return (unsigned int)ice->eeprom.data[idx] | \
1528                 ((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1529                 ((unsigned int)ice->eeprom.data[idx + 2] << 16);
1530 }
1531 
1532 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1533                                  struct snd_info_buffer *buffer)
1534 {
1535         struct snd_ice1712 *ice = entry->private_data;
1536         unsigned int idx;
1537 
1538         snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1539         snd_iprintf(buffer, "EEPROM:\n");
1540 
1541         snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1542         snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1543         snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1544         snd_iprintf(buffer, "  System Config    : 0x%x\n",
1545                     ice->eeprom.data[ICE_EEP2_SYSCONF]);
1546         snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1547                     ice->eeprom.data[ICE_EEP2_ACLINK]);
1548         snd_iprintf(buffer, "  I2S              : 0x%x\n",
1549                     ice->eeprom.data[ICE_EEP2_I2S]);
1550         snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1551                     ice->eeprom.data[ICE_EEP2_SPDIF]);
1552         snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1553                     ice->eeprom.gpiodir);
1554         snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1555                     ice->eeprom.gpiomask);
1556         snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1557                     ice->eeprom.gpiostate);
1558         for (idx = 0x12; idx < ice->eeprom.size; idx++)
1559                 snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1560                             idx, ice->eeprom.data[idx]);
1561 
1562         snd_iprintf(buffer, "\nRegisters:\n");
1563 
1564         snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1565                     (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1566         for (idx = 0x0; idx < 0x20 ; idx++)
1567                 snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1568                             idx, inb(ice->port+idx));
1569         for (idx = 0x0; idx < 0x30 ; idx++)
1570                 snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1571                             idx, inb(ice->profi_port+idx));
1572 }
1573 
1574 static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1575 {
1576         struct snd_info_entry *entry;
1577 
1578         if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1579                 snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1580 }
1581 
1582 /*
1583  *
1584  */
1585 
1586 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1587                                   struct snd_ctl_elem_info *uinfo)
1588 {
1589         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1590         uinfo->count = sizeof(struct snd_ice1712_eeprom);
1591         return 0;
1592 }
1593 
1594 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1595                                  struct snd_ctl_elem_value *ucontrol)
1596 {
1597         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1598 
1599         memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1600         return 0;
1601 }
1602 
1603 static struct snd_kcontrol_new snd_vt1724_eeprom = {
1604         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1605         .name = "ICE1724 EEPROM",
1606         .access = SNDRV_CTL_ELEM_ACCESS_READ,
1607         .info = snd_vt1724_eeprom_info,
1608         .get = snd_vt1724_eeprom_get
1609 };
1610 
1611 /*
1612  */
1613 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1614                                  struct snd_ctl_elem_info *uinfo)
1615 {
1616         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1617         uinfo->count = 1;
1618         return 0;
1619 }
1620 
1621 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1622 {
1623         unsigned int val, rbits;
1624 
1625         val = diga->status[0] & 0x03; /* professional, non-audio */
1626         if (val & 0x01) {
1627                 /* professional */
1628                 if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1629                     IEC958_AES0_PRO_EMPHASIS_5015)
1630                         val |= 1U << 3;
1631                 rbits = (diga->status[4] >> 3) & 0x0f;
1632                 if (rbits) {
1633                         switch (rbits) {
1634                         case 2: val |= 5 << 12; break; /* 96k */
1635                         case 3: val |= 6 << 12; break; /* 192k */
1636                         case 10: val |= 4 << 12; break; /* 88.2k */
1637                         case 11: val |= 7 << 12; break; /* 176.4k */
1638                         }
1639                 } else {
1640                         switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1641                         case IEC958_AES0_PRO_FS_44100:
1642                                 break;
1643                         case IEC958_AES0_PRO_FS_32000:
1644                                 val |= 3U << 12;
1645                                 break;
1646                         default:
1647                                 val |= 2U << 12;
1648                                 break;
1649                         }
1650                 }
1651         } else {
1652                 /* consumer */
1653                 val |= diga->status[1] & 0x04; /* copyright */
1654                 if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1655                     IEC958_AES0_CON_EMPHASIS_5015)
1656                         val |= 1U << 3;
1657                 val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1658                 val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1659         }
1660         return val;
1661 }
1662 
1663 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1664 {
1665         memset(diga->status, 0, sizeof(diga->status));
1666         diga->status[0] = val & 0x03; /* professional, non-audio */
1667         if (val & 0x01) {
1668                 /* professional */
1669                 if (val & (1U << 3))
1670                         diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1671                 switch ((val >> 12) & 0x7) {
1672                 case 0:
1673                         break;
1674                 case 2:
1675                         diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1676                         break;
1677                 default:
1678                         diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1679                         break;
1680                 }
1681         } else {
1682                 /* consumer */
1683                 diga->status[0] |= val & (1U << 2); /* copyright */
1684                 if (val & (1U << 3))
1685                         diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1686                 diga->status[1] |= (val >> 4) & 0x3f; /* category */
1687                 diga->status[3] |= (val >> 12) & 0x07; /* fs */
1688         }
1689 }
1690 
1691 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1692                                         struct snd_ctl_elem_value *ucontrol)
1693 {
1694         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1695         unsigned int val;
1696         val = inw(ICEMT1724(ice, SPDIF_CTRL));
1697         decode_spdif_bits(&ucontrol->value.iec958, val);
1698         return 0;
1699 }
1700 
1701 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1702                                          struct snd_ctl_elem_value *ucontrol)
1703 {
1704         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1705         unsigned int val, old;
1706 
1707         val = encode_spdif_bits(&ucontrol->value.iec958);
1708         spin_lock_irq(&ice->reg_lock);
1709         old = inw(ICEMT1724(ice, SPDIF_CTRL));
1710         if (val != old)
1711                 update_spdif_bits(ice, val);
1712         spin_unlock_irq(&ice->reg_lock);
1713         return val != old;
1714 }
1715 
1716 static struct snd_kcontrol_new snd_vt1724_spdif_default =
1717 {
1718         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1719         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1720         .info =         snd_vt1724_spdif_info,
1721         .get =          snd_vt1724_spdif_default_get,
1722         .put =          snd_vt1724_spdif_default_put
1723 };
1724 
1725 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1726                                        struct snd_ctl_elem_value *ucontrol)
1727 {
1728         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1729                                                      IEC958_AES0_PROFESSIONAL |
1730                                                      IEC958_AES0_CON_NOT_COPYRIGHT |
1731                                                      IEC958_AES0_CON_EMPHASIS;
1732         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1733                                                      IEC958_AES1_CON_CATEGORY;
1734         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1735         return 0;
1736 }
1737 
1738 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1739                                        struct snd_ctl_elem_value *ucontrol)
1740 {
1741         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1742                                                      IEC958_AES0_PROFESSIONAL |
1743                                                      IEC958_AES0_PRO_FS |
1744                                                      IEC958_AES0_PRO_EMPHASIS;
1745         return 0;
1746 }
1747 
1748 static struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1749 {
1750         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1751         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1752         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1753         .info =         snd_vt1724_spdif_info,
1754         .get =          snd_vt1724_spdif_maskc_get,
1755 };
1756 
1757 static struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1758 {
1759         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1760         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1761         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1762         .info =         snd_vt1724_spdif_info,
1763         .get =          snd_vt1724_spdif_maskp_get,
1764 };
1765 
1766 #define snd_vt1724_spdif_sw_info                snd_ctl_boolean_mono_info
1767 
1768 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1769                                    struct snd_ctl_elem_value *ucontrol)
1770 {
1771         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1772         ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1773                 VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1774         return 0;
1775 }
1776 
1777 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1778                                    struct snd_ctl_elem_value *ucontrol)
1779 {
1780         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1781         unsigned char old, val;
1782 
1783         spin_lock_irq(&ice->reg_lock);
1784         old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1785         val &= ~VT1724_CFG_SPDIF_OUT_EN;
1786         if (ucontrol->value.integer.value[0])
1787                 val |= VT1724_CFG_SPDIF_OUT_EN;
1788         if (old != val)
1789                 outb(val, ICEREG1724(ice, SPDIF_CFG));
1790         spin_unlock_irq(&ice->reg_lock);
1791         return old != val;
1792 }
1793 
1794 static struct snd_kcontrol_new snd_vt1724_spdif_switch =
1795 {
1796         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1797         /* FIXME: the following conflict with IEC958 Playback Route */
1798         /* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1799         .name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1800         .info =         snd_vt1724_spdif_sw_info,
1801         .get =          snd_vt1724_spdif_sw_get,
1802         .put =          snd_vt1724_spdif_sw_put
1803 };
1804 
1805 
1806 #if 0 /* NOT USED YET */
1807 /*
1808  * GPIO access from extern
1809  */
1810 
1811 #define snd_vt1724_gpio_info            snd_ctl_boolean_mono_info
1812 
1813 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1814                         struct snd_ctl_elem_value *ucontrol)
1815 {
1816         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1817         int shift = kcontrol->private_value & 0xff;
1818         int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1819 
1820         snd_ice1712_save_gpio_status(ice);
1821         ucontrol->value.integer.value[0] =
1822                 (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1823         snd_ice1712_restore_gpio_status(ice);
1824         return 0;
1825 }
1826 
1827 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1828                          struct snd_ctl_elem_value *ucontrol)
1829 {
1830         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1831         int shift = kcontrol->private_value & 0xff;
1832         int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1833         unsigned int val, nval;
1834 
1835         if (kcontrol->private_value & (1 << 31))
1836                 return -EPERM;
1837         nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1838         snd_ice1712_save_gpio_status(ice);
1839         val = snd_ice1712_gpio_read(ice);
1840         nval |= val & ~(1 << shift);
1841         if (val != nval)
1842                 snd_ice1712_gpio_write(ice, nval);
1843         snd_ice1712_restore_gpio_status(ice);
1844         return val != nval;
1845 }
1846 #endif /* NOT USED YET */
1847 
1848 /*
1849  *  rate
1850  */
1851 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1852                                               struct snd_ctl_elem_info *uinfo)
1853 {
1854         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1855         int hw_rates_count = ice->hw_rates->count;
1856         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1857         uinfo->count = 1;
1858 
1859         /* internal clocks */
1860         uinfo->value.enumerated.items = hw_rates_count;
1861         /* external clocks */
1862         if (ice->force_rdma1 ||
1863             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1864                 uinfo->value.enumerated.items += ice->ext_clock_count;
1865         /* upper limit - keep at top */
1866         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1867                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1868         if (uinfo->value.enumerated.item >= hw_rates_count)
1869                 /* ext_clock items */
1870                 strcpy(uinfo->value.enumerated.name,
1871                                 ice->ext_clock_names[
1872                                 uinfo->value.enumerated.item - hw_rates_count]);
1873         else
1874                 /* int clock items */
1875                 sprintf(uinfo->value.enumerated.name, "%d",
1876                         ice->hw_rates->list[uinfo->value.enumerated.item]);
1877         return 0;
1878 }
1879 
1880 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1881                                              struct snd_ctl_elem_value *ucontrol)
1882 {
1883         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1884         unsigned int i, rate;
1885 
1886         spin_lock_irq(&ice->reg_lock);
1887         if (ice->is_spdif_master(ice)) {
1888                 ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1889                         ice->get_spdif_master_type(ice);
1890         } else {
1891                 rate = ice->get_rate(ice);
1892                 ucontrol->value.enumerated.item[0] = 0;
1893                 for (i = 0; i < ice->hw_rates->count; i++) {
1894                         if (ice->hw_rates->list[i] == rate) {
1895                                 ucontrol->value.enumerated.item[0] = i;
1896                                 break;
1897                         }
1898                 }
1899         }
1900         spin_unlock_irq(&ice->reg_lock);
1901         return 0;
1902 }
1903 
1904 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1905 {
1906         /* standard external clock - only single type - SPDIF IN */
1907         return 0;
1908 }
1909 
1910 /* setting clock to external - SPDIF */
1911 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1912 {
1913         unsigned char oval;
1914         unsigned char i2s_oval;
1915         oval = inb(ICEMT1724(ice, RATE));
1916         outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1917         /* setting 256fs */
1918         i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1919         outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1920         return 0;
1921 }
1922 
1923 
1924 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1925                                              struct snd_ctl_elem_value *ucontrol)
1926 {
1927         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1928         unsigned int old_rate, new_rate;
1929         unsigned int item = ucontrol->value.enumerated.item[0];
1930         unsigned int first_ext_clock = ice->hw_rates->count;
1931 
1932         if (item >  first_ext_clock + ice->ext_clock_count - 1)
1933                 return -EINVAL;
1934 
1935         /* if rate = 0 => external clock */
1936         spin_lock_irq(&ice->reg_lock);
1937         if (ice->is_spdif_master(ice))
1938                 old_rate = 0;
1939         else
1940                 old_rate = ice->get_rate(ice);
1941         if (item >= first_ext_clock) {
1942                 /* switching to external clock */
1943                 ice->set_spdif_clock(ice, item - first_ext_clock);
1944                 new_rate = 0;
1945         } else {
1946                 /* internal on-card clock */
1947                 new_rate = ice->hw_rates->list[item];
1948                 ice->pro_rate_default = new_rate;
1949                 spin_unlock_irq(&ice->reg_lock);
1950                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1951                 spin_lock_irq(&ice->reg_lock);
1952         }
1953         spin_unlock_irq(&ice->reg_lock);
1954 
1955         /* the first switch to the ext. clock mode? */
1956         if (old_rate != new_rate && !new_rate) {
1957                 /* notify akm chips as well */
1958                 unsigned int i;
1959                 if (ice->gpio.set_pro_rate)
1960                         ice->gpio.set_pro_rate(ice, 0);
1961                 for (i = 0; i < ice->akm_codecs; i++) {
1962                         if (ice->akm[i].ops.set_rate_val)
1963                                 ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1964                 }
1965         }
1966         return old_rate != new_rate;
1967 }
1968 
1969 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1970         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1971         .name = "Multi Track Internal Clock",
1972         .info = snd_vt1724_pro_internal_clock_info,
1973         .get = snd_vt1724_pro_internal_clock_get,
1974         .put = snd_vt1724_pro_internal_clock_put
1975 };
1976 
1977 #define snd_vt1724_pro_rate_locking_info        snd_ctl_boolean_mono_info
1978 
1979 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1980                                            struct snd_ctl_elem_value *ucontrol)
1981 {
1982         ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1983         return 0;
1984 }
1985 
1986 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1987                                            struct snd_ctl_elem_value *ucontrol)
1988 {
1989         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1990         int change = 0, nval;
1991 
1992         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1993         spin_lock_irq(&ice->reg_lock);
1994         change = PRO_RATE_LOCKED != nval;
1995         PRO_RATE_LOCKED = nval;
1996         spin_unlock_irq(&ice->reg_lock);
1997         return change;
1998 }
1999 
2000 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
2001         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2002         .name = "Multi Track Rate Locking",
2003         .info = snd_vt1724_pro_rate_locking_info,
2004         .get = snd_vt1724_pro_rate_locking_get,
2005         .put = snd_vt1724_pro_rate_locking_put
2006 };
2007 
2008 #define snd_vt1724_pro_rate_reset_info          snd_ctl_boolean_mono_info
2009 
2010 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
2011                                          struct snd_ctl_elem_value *ucontrol)
2012 {
2013         ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
2014         return 0;
2015 }
2016 
2017 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
2018                                          struct snd_ctl_elem_value *ucontrol)
2019 {
2020         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2021         int change = 0, nval;
2022 
2023         nval = ucontrol->value.integer.value[0] ? 1 : 0;
2024         spin_lock_irq(&ice->reg_lock);
2025         change = PRO_RATE_RESET != nval;
2026         PRO_RATE_RESET = nval;
2027         spin_unlock_irq(&ice->reg_lock);
2028         return change;
2029 }
2030 
2031 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
2032         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2033         .name = "Multi Track Rate Reset",
2034         .info = snd_vt1724_pro_rate_reset_info,
2035         .get = snd_vt1724_pro_rate_reset_get,
2036         .put = snd_vt1724_pro_rate_reset_put
2037 };
2038 
2039 
2040 /*
2041  * routing
2042  */
2043 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2044                                      struct snd_ctl_elem_info *uinfo)
2045 {
2046         static const char * const texts[] = {
2047                 "PCM Out", /* 0 */
2048                 "H/W In 0", "H/W In 1", /* 1-2 */
2049                 "IEC958 In L", "IEC958 In R", /* 3-4 */
2050         };
2051 
2052         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2053         uinfo->count = 1;
2054         uinfo->value.enumerated.items = 5;
2055         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2056                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2057         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2058         return 0;
2059 }
2060 
2061 static inline int analog_route_shift(int idx)
2062 {
2063         return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2064 }
2065 
2066 static inline int digital_route_shift(int idx)
2067 {
2068         return idx * 3;
2069 }
2070 
2071 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2072 {
2073         unsigned long val;
2074         unsigned char eitem;
2075         static const unsigned char xlate[8] = {
2076                 0, 255, 1, 2, 255, 255, 3, 4,
2077         };
2078 
2079         val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2080         val >>= shift;
2081         val &= 7; /* we now have 3 bits per output */
2082         eitem = xlate[val];
2083         if (eitem == 255) {
2084                 snd_BUG();
2085                 return 0;
2086         }
2087         return eitem;
2088 }
2089 
2090 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2091                                                                 int shift)
2092 {
2093         unsigned int old_val, nval;
2094         int change;
2095         static const unsigned char xroute[8] = {
2096                 0, /* PCM */
2097                 2, /* PSDIN0 Left */
2098                 3, /* PSDIN0 Right */
2099                 6, /* SPDIN Left */
2100                 7, /* SPDIN Right */
2101         };
2102 
2103         nval = xroute[val % 5];
2104         val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2105         val &= ~(0x07 << shift);
2106         val |= nval << shift;
2107         change = val != old_val;
2108         if (change)
2109                 outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2110         return change;
2111 }
2112 
2113 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2114                                            struct snd_ctl_elem_value *ucontrol)
2115 {
2116         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2117         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2118         ucontrol->value.enumerated.item[0] =
2119                 snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2120         return 0;
2121 }
2122 
2123 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2124                                            struct snd_ctl_elem_value *ucontrol)
2125 {
2126         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2127         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2128         return snd_ice1724_put_route_val(ice,
2129                                          ucontrol->value.enumerated.item[0],
2130                                          analog_route_shift(idx));
2131 }
2132 
2133 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2134                                           struct snd_ctl_elem_value *ucontrol)
2135 {
2136         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2137         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2138         ucontrol->value.enumerated.item[0] =
2139                 snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2140         return 0;
2141 }
2142 
2143 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2144                                           struct snd_ctl_elem_value *ucontrol)
2145 {
2146         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2147         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2148         return snd_ice1724_put_route_val(ice,
2149                                          ucontrol->value.enumerated.item[0],
2150                                          digital_route_shift(idx));
2151 }
2152 
2153 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2154 {
2155         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2156         .name = "H/W Playback Route",
2157         .info = snd_vt1724_pro_route_info,
2158         .get = snd_vt1724_pro_route_analog_get,
2159         .put = snd_vt1724_pro_route_analog_put,
2160 };
2161 
2162 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2163         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2164         .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2165         .info = snd_vt1724_pro_route_info,
2166         .get = snd_vt1724_pro_route_spdif_get,
2167         .put = snd_vt1724_pro_route_spdif_put,
2168         .count = 2,
2169 };
2170 
2171 
2172 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2173                                     struct snd_ctl_elem_info *uinfo)
2174 {
2175         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2176         uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2177         uinfo->value.integer.min = 0;
2178         uinfo->value.integer.max = 255;
2179         return 0;
2180 }
2181 
2182 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2183                                    struct snd_ctl_elem_value *ucontrol)
2184 {
2185         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2186         int idx;
2187 
2188         spin_lock_irq(&ice->reg_lock);
2189         for (idx = 0; idx < 22; idx++) {
2190                 outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2191                 ucontrol->value.integer.value[idx] =
2192                         inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2193         }
2194         spin_unlock_irq(&ice->reg_lock);
2195         return 0;
2196 }
2197 
2198 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2199         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2200         .name = "Multi Track Peak",
2201         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2202         .info = snd_vt1724_pro_peak_info,
2203         .get = snd_vt1724_pro_peak_get
2204 };
2205 
2206 /*
2207  *
2208  */
2209 
2210 static struct snd_ice1712_card_info no_matched;
2211 
2212 
2213 /*
2214   ooAoo cards with no controls
2215 */
2216 static unsigned char ooaoo_sq210_eeprom[] = {
2217         [ICE_EEP2_SYSCONF]     = 0x4c,  /* 49MHz crystal, no mpu401, no ADC,
2218                                            1xDACs */
2219         [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
2220         [ICE_EEP2_I2S]         = 0x78,  /* no volume, 96k, 24bit, 192k */
2221         [ICE_EEP2_SPDIF]       = 0xc1,  /* out-en, out-int, out-ext */
2222         [ICE_EEP2_GPIO_DIR]    = 0x00,  /* no GPIOs are used */
2223         [ICE_EEP2_GPIO_DIR1]   = 0x00,
2224         [ICE_EEP2_GPIO_DIR2]   = 0x00,
2225         [ICE_EEP2_GPIO_MASK]   = 0xff,
2226         [ICE_EEP2_GPIO_MASK1]  = 0xff,
2227         [ICE_EEP2_GPIO_MASK2]  = 0xff,
2228 
2229         [ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2230         [ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2231                                           and GPIO15 always zero */
2232         [ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2233 };
2234 
2235 
2236 static struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2237         {
2238                 .name = "ooAoo SQ210a",
2239                 .model = "sq210a",
2240                 .eeprom_size = sizeof(ooaoo_sq210_eeprom),
2241                 .eeprom_data = ooaoo_sq210_eeprom,
2242         },
2243         { } /* terminator */
2244 };
2245 
2246 static struct snd_ice1712_card_info *card_tables[] = {
2247         snd_vt1724_revo_cards,
2248         snd_vt1724_amp_cards,
2249         snd_vt1724_aureon_cards,
2250         snd_vt1720_mobo_cards,
2251         snd_vt1720_pontis_cards,
2252         snd_vt1724_prodigy_hifi_cards,
2253         snd_vt1724_prodigy192_cards,
2254         snd_vt1724_juli_cards,
2255         snd_vt1724_maya44_cards,
2256         snd_vt1724_phase_cards,
2257         snd_vt1724_wtm_cards,
2258         snd_vt1724_se_cards,
2259         snd_vt1724_qtet_cards,
2260         snd_vt1724_ooaoo_cards,
2261         snd_vt1724_psc724_cards,
2262         NULL,
2263 };
2264 
2265 
2266 /*
2267  */
2268 
2269 static void wait_i2c_busy(struct snd_ice1712 *ice)
2270 {
2271         int t = 0x10000;
2272         while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2273                 ;
2274         if (t == -1)
2275                 dev_err(ice->card->dev, "i2c busy timeout\n");
2276 }
2277 
2278 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2279                                   unsigned char dev, unsigned char addr)
2280 {
2281         unsigned char val;
2282 
2283         mutex_lock(&ice->i2c_mutex);
2284         wait_i2c_busy(ice);
2285         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2286         outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2287         wait_i2c_busy(ice);
2288         val = inb(ICEREG1724(ice, I2C_DATA));
2289         mutex_unlock(&ice->i2c_mutex);
2290         /*
2291         dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2292         */
2293         return val;
2294 }
2295 
2296 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2297                           unsigned char dev, unsigned char addr, unsigned char data)
2298 {
2299         mutex_lock(&ice->i2c_mutex);
2300         wait_i2c_busy(ice);
2301         /*
2302         dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2303         */
2304         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2305         outb(data, ICEREG1724(ice, I2C_DATA));
2306         outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2307         wait_i2c_busy(ice);
2308         mutex_unlock(&ice->i2c_mutex);
2309 }
2310 
2311 static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2312                                   const char *modelname)
2313 {
2314         const int dev = 0xa0;           /* EEPROM device address */
2315         unsigned int i, size;
2316         struct snd_ice1712_card_info * const *tbl, *c;
2317 
2318         if (!modelname || !*modelname) {
2319                 ice->eeprom.subvendor = 0;
2320                 if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2321                         ice->eeprom.subvendor =
2322                                 (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2323                                 (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2324                                 (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2325                                 (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2326                 if (ice->eeprom.subvendor == 0 ||
2327                     ice->eeprom.subvendor == (unsigned int)-1) {
2328                         /* invalid subvendor from EEPROM, try the PCI
2329                          * subststem ID instead
2330                          */
2331                         u16 vendor, device;
2332                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2333                                              &vendor);
2334                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2335                         ice->eeprom.subvendor =
2336                                 ((unsigned int)swab16(vendor) << 16) | swab16(device);
2337                         if (ice->eeprom.subvendor == 0 ||
2338                             ice->eeprom.subvendor == (unsigned int)-1) {
2339                                 dev_err(ice->card->dev,
2340                                         "No valid ID is found\n");
2341                                 return -ENXIO;
2342                         }
2343                 }
2344         }
2345         for (tbl = card_tables; *tbl; tbl++) {
2346                 for (c = *tbl; c->name; c++) {
2347                         if (modelname && c->model &&
2348                             !strcmp(modelname, c->model)) {
2349                                 dev_info(ice->card->dev,
2350                                          "Using board model %s\n",
2351                                        c->name);
2352                                 ice->eeprom.subvendor = c->subvendor;
2353                         } else if (c->subvendor != ice->eeprom.subvendor)
2354                                 continue;
2355                         ice->card_info = c;
2356                         if (!c->eeprom_size || !c->eeprom_data)
2357                                 goto found;
2358                         /* if the EEPROM is given by the driver, use it */
2359                         dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2360                         ice->eeprom.version = 2;
2361                         ice->eeprom.size = c->eeprom_size + 6;
2362                         memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2363                         goto read_skipped;
2364                 }
2365         }
2366         dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2367                ice->eeprom.subvendor);
2368 #ifdef CONFIG_PM_SLEEP
2369         /* assume AC97-only card which can suspend without additional code */
2370         ice->pm_suspend_enabled = 1;
2371 #endif
2372 
2373  found:
2374         ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2375         if (ice->eeprom.size < 6)
2376                 ice->eeprom.size = 32;
2377         else if (ice->eeprom.size > 32) {
2378                 dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2379                        ice->eeprom.size);
2380                 return -EIO;
2381         }
2382         ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2383         if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2384                 dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2385                        ice->eeprom.version);
2386         size = ice->eeprom.size - 6;
2387         for (i = 0; i < size; i++)
2388                 ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2389 
2390  read_skipped:
2391         ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2392         ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2393         ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2394 
2395         return 0;
2396 }
2397 
2398 
2399 
2400 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2401 {
2402         outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2403         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2404         msleep(10);
2405         outb(0, ICEREG1724(ice, CONTROL));
2406         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2407         msleep(10);
2408 }
2409 
2410 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2411 {
2412         outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2413         outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2414         outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2415         outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2416 
2417         ice->gpio.write_mask = ice->eeprom.gpiomask;
2418         ice->gpio.direction = ice->eeprom.gpiodir;
2419         snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2420         snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2421         snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2422 
2423         outb(0, ICEREG1724(ice, POWERDOWN));
2424 
2425         /* MPU_RX and TX irq masks are cleared later dynamically */
2426         outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2427 
2428         /* don't handle FIFO overrun/underruns (just yet),
2429          * since they cause machine lockups
2430          */
2431         outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2432 
2433         return 0;
2434 }
2435 
2436 static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2437 {
2438         int err;
2439         struct snd_kcontrol *kctl;
2440 
2441         if (snd_BUG_ON(!ice->pcm))
2442                 return -EIO;
2443 
2444         if (!ice->own_routing) {
2445                 err = snd_ctl_add(ice->card,
2446                         snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2447                 if (err < 0)
2448                         return err;
2449         }
2450 
2451         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2452         if (err < 0)
2453                 return err;
2454 
2455         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2456         if (err < 0)
2457                 return err;
2458         kctl->id.device = ice->pcm->device;
2459         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2460         if (err < 0)
2461                 return err;
2462         kctl->id.device = ice->pcm->device;
2463         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2464         if (err < 0)
2465                 return err;
2466         kctl->id.device = ice->pcm->device;
2467 #if 0 /* use default only */
2468         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2469         if (err < 0)
2470                 return err;
2471         kctl->id.device = ice->pcm->device;
2472         ice->spdif.stream_ctl = kctl;
2473 #endif
2474         return 0;
2475 }
2476 
2477 
2478 static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2479 {
2480         int err;
2481 
2482         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2483         if (err < 0)
2484                 return err;
2485         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2486         if (err < 0)
2487                 return err;
2488 
2489         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2490         if (err < 0)
2491                 return err;
2492         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2493         if (err < 0)
2494                 return err;
2495 
2496         if (!ice->own_routing && ice->num_total_dacs > 0) {
2497                 struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2498                 tmp.count = ice->num_total_dacs;
2499                 if (ice->vt1720 && tmp.count > 2)
2500                         tmp.count = 2;
2501                 err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2502                 if (err < 0)
2503                         return err;
2504         }
2505 
2506         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2507         if (err < 0)
2508                 return err;
2509 
2510         return 0;
2511 }
2512 
2513 static int snd_vt1724_free(struct snd_ice1712 *ice)
2514 {
2515         if (!ice->port)
2516                 goto __hw_end;
2517         /* mask all interrupts */
2518         outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2519         outb(0xff, ICEREG1724(ice, IRQMASK));
2520         /* --- */
2521 __hw_end:
2522         if (ice->irq >= 0)
2523                 free_irq(ice->irq, ice);
2524         pci_release_regions(ice->pci);
2525         snd_ice1712_akm4xxx_free(ice);
2526         pci_disable_device(ice->pci);
2527         kfree(ice->spec);
2528         kfree(ice);
2529         return 0;
2530 }
2531 
2532 static int snd_vt1724_dev_free(struct snd_device *device)
2533 {
2534         struct snd_ice1712 *ice = device->device_data;
2535         return snd_vt1724_free(ice);
2536 }
2537 
2538 static int snd_vt1724_create(struct snd_card *card,
2539                              struct pci_dev *pci,
2540                              const char *modelname,
2541                              struct snd_ice1712 **r_ice1712)
2542 {
2543         struct snd_ice1712 *ice;
2544         int err;
2545         static struct snd_device_ops ops = {
2546                 .dev_free =     snd_vt1724_dev_free,
2547         };
2548 
2549         *r_ice1712 = NULL;
2550 
2551         /* enable PCI device */
2552         err = pci_enable_device(pci);
2553         if (err < 0)
2554                 return err;
2555 
2556         ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2557         if (ice == NULL) {
2558                 pci_disable_device(pci);
2559                 return -ENOMEM;
2560         }
2561         ice->vt1724 = 1;
2562         spin_lock_init(&ice->reg_lock);
2563         mutex_init(&ice->gpio_mutex);
2564         mutex_init(&ice->open_mutex);
2565         mutex_init(&ice->i2c_mutex);
2566         ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2567         ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2568         ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2569         ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2570         ice->gpio.set_data = snd_vt1724_set_gpio_data;
2571         ice->gpio.get_data = snd_vt1724_get_gpio_data;
2572         ice->card = card;
2573         ice->pci = pci;
2574         ice->irq = -1;
2575         pci_set_master(pci);
2576         snd_vt1724_proc_init(ice);
2577         synchronize_irq(pci->irq);
2578 
2579         card->private_data = ice;
2580 
2581         err = pci_request_regions(pci, "ICE1724");
2582         if (err < 0) {
2583                 kfree(ice);
2584                 pci_disable_device(pci);
2585                 return err;
2586         }
2587         ice->port = pci_resource_start(pci, 0);
2588         ice->profi_port = pci_resource_start(pci, 1);
2589 
2590         if (request_irq(pci->irq, snd_vt1724_interrupt,
2591                         IRQF_SHARED, KBUILD_MODNAME, ice)) {
2592                 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2593                 snd_vt1724_free(ice);
2594                 return -EIO;
2595         }
2596 
2597         ice->irq = pci->irq;
2598 
2599         snd_vt1724_chip_reset(ice);
2600         if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2601                 snd_vt1724_free(ice);
2602                 return -EIO;
2603         }
2604         if (snd_vt1724_chip_init(ice) < 0) {
2605                 snd_vt1724_free(ice);
2606                 return -EIO;
2607         }
2608 
2609         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2610         if (err < 0) {
2611                 snd_vt1724_free(ice);
2612                 return err;
2613         }
2614 
2615         *r_ice1712 = ice;
2616         return 0;
2617 }
2618 
2619 
2620 /*
2621  *
2622  * Registration
2623  *
2624  */
2625 
2626 static int snd_vt1724_probe(struct pci_dev *pci,
2627                             const struct pci_device_id *pci_id)
2628 {
2629         static int dev;
2630         struct snd_card *card;
2631         struct snd_ice1712 *ice;
2632         int pcm_dev = 0, err;
2633         struct snd_ice1712_card_info * const *tbl, *c;
2634 
2635         if (dev >= SNDRV_CARDS)
2636                 return -ENODEV;
2637         if (!enable[dev]) {
2638                 dev++;
2639                 return -ENOENT;
2640         }
2641 
2642         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2643                            0, &card);
2644         if (err < 0)
2645                 return err;
2646 
2647         strcpy(card->driver, "ICE1724");
2648         strcpy(card->shortname, "ICEnsemble ICE1724");
2649 
2650         err = snd_vt1724_create(card, pci, model[dev], &ice);
2651         if (err < 0) {
2652                 snd_card_free(card);
2653                 return err;
2654         }
2655 
2656         /* field init before calling chip_init */
2657         ice->ext_clock_count = 0;
2658 
2659         for (tbl = card_tables; *tbl; tbl++) {
2660                 for (c = *tbl; c->name; c++) {
2661                         if ((model[dev] && c->model &&
2662                              !strcmp(model[dev], c->model)) ||
2663                             (c->subvendor == ice->eeprom.subvendor)) {
2664                                 strcpy(card->shortname, c->name);
2665                                 if (c->driver) /* specific driver? */
2666                                         strcpy(card->driver, c->driver);
2667                                 if (c->chip_init) {
2668                                         err = c->chip_init(ice);
2669                                         if (err < 0) {
2670                                                 snd_card_free(card);
2671                                                 return err;
2672                                         }
2673                                 }
2674                                 goto __found;
2675                         }
2676                 }
2677         }
2678         c = &no_matched;
2679 __found:
2680         /*
2681         * VT1724 has separate DMAs for the analog and the SPDIF streams while
2682         * ICE1712 has only one for both (mixed up).
2683         *
2684         * Confusingly the analog PCM is named "professional" here because it
2685         * was called so in ice1712 driver, and vt1724 driver is derived from
2686         * ice1712 driver.
2687         */
2688         ice->pro_rate_default = PRO_RATE_DEFAULT;
2689         if (!ice->is_spdif_master)
2690                 ice->is_spdif_master = stdclock_is_spdif_master;
2691         if (!ice->get_rate)
2692                 ice->get_rate = stdclock_get_rate;
2693         if (!ice->set_rate)
2694                 ice->set_rate = stdclock_set_rate;
2695         if (!ice->set_mclk)
2696                 ice->set_mclk = stdclock_set_mclk;
2697         if (!ice->set_spdif_clock)
2698                 ice->set_spdif_clock = stdclock_set_spdif_clock;
2699         if (!ice->get_spdif_master_type)
2700                 ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2701         if (!ice->ext_clock_names)
2702                 ice->ext_clock_names = ext_clock_names;
2703         if (!ice->ext_clock_count)
2704                 ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2705 
2706         if (!ice->hw_rates)
2707                 set_std_hw_rates(ice);
2708 
2709         err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2710         if (err < 0) {
2711                 snd_card_free(card);
2712                 return err;
2713         }
2714 
2715         err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2716         if (err < 0) {
2717                 snd_card_free(card);
2718                 return err;
2719         }
2720 
2721         err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2722         if (err < 0) {
2723                 snd_card_free(card);
2724                 return err;
2725         }
2726 
2727         err = snd_vt1724_ac97_mixer(ice);
2728         if (err < 0) {
2729                 snd_card_free(card);
2730                 return err;
2731         }
2732 
2733         err = snd_vt1724_build_controls(ice);
2734         if (err < 0) {
2735                 snd_card_free(card);
2736                 return err;
2737         }
2738 
2739         if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2740                 err = snd_vt1724_spdif_build_controls(ice);
2741                 if (err < 0) {
2742                         snd_card_free(card);
2743                         return err;
2744                 }
2745         }
2746 
2747         if (c->build_controls) {
2748                 err = c->build_controls(ice);
2749                 if (err < 0) {
2750                         snd_card_free(card);
2751                         return err;
2752                 }
2753         }
2754 
2755         if (!c->no_mpu401) {
2756                 if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2757                         struct snd_rawmidi *rmidi;
2758 
2759                         err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2760                         if (err < 0) {
2761                                 snd_card_free(card);
2762                                 return err;
2763                         }
2764                         ice->rmidi[0] = rmidi;
2765                         rmidi->private_data = ice;
2766                         strcpy(rmidi->name, "ICE1724 MIDI");
2767                         rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2768                                             SNDRV_RAWMIDI_INFO_INPUT |
2769                                             SNDRV_RAWMIDI_INFO_DUPLEX;
2770                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2771                                             &vt1724_midi_output_ops);
2772                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2773                                             &vt1724_midi_input_ops);
2774 
2775                         /* set watermarks */
2776                         outb(VT1724_MPU_RX_FIFO | 0x1,
2777                              ICEREG1724(ice, MPU_FIFO_WM));
2778                         outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2779                         /* set UART mode */
2780                         outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2781                 }
2782         }
2783 
2784         sprintf(card->longname, "%s at 0x%lx, irq %i",
2785                 card->shortname, ice->port, ice->irq);
2786 
2787         err = snd_card_register(card);
2788         if (err < 0) {
2789                 snd_card_free(card);
2790                 return err;
2791         }
2792         pci_set_drvdata(pci, card);
2793         dev++;
2794         return 0;
2795 }
2796 
2797 static void snd_vt1724_remove(struct pci_dev *pci)
2798 {
2799         struct snd_card *card = pci_get_drvdata(pci);
2800         struct snd_ice1712 *ice = card->private_data;
2801 
2802         if (ice->card_info && ice->card_info->chip_exit)
2803                 ice->card_info->chip_exit(ice);
2804         snd_card_free(card);
2805 }
2806 
2807 #ifdef CONFIG_PM_SLEEP
2808 static int snd_vt1724_suspend(struct device *dev)
2809 {
2810         struct pci_dev *pci = to_pci_dev(dev);
2811         struct snd_card *card = dev_get_drvdata(dev);
2812         struct snd_ice1712 *ice = card->private_data;
2813 
2814         if (!ice->pm_suspend_enabled)
2815                 return 0;
2816 
2817         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2818 
2819         snd_pcm_suspend_all(ice->pcm);
2820         snd_pcm_suspend_all(ice->pcm_pro);
2821         snd_pcm_suspend_all(ice->pcm_ds);
2822         snd_ac97_suspend(ice->ac97);
2823 
2824         spin_lock_irq(&ice->reg_lock);
2825         ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2826         ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2827         ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2828         ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2829         spin_unlock_irq(&ice->reg_lock);
2830 
2831         if (ice->pm_suspend)
2832                 ice->pm_suspend(ice);
2833 
2834         pci_disable_device(pci);
2835         pci_save_state(pci);
2836         pci_set_power_state(pci, PCI_D3hot);
2837         return 0;
2838 }
2839 
2840 static int snd_vt1724_resume(struct device *dev)
2841 {
2842         struct pci_dev *pci = to_pci_dev(dev);
2843         struct snd_card *card = dev_get_drvdata(dev);
2844         struct snd_ice1712 *ice = card->private_data;
2845 
2846         if (!ice->pm_suspend_enabled)
2847                 return 0;
2848 
2849         pci_set_power_state(pci, PCI_D0);
2850         pci_restore_state(pci);
2851 
2852         if (pci_enable_device(pci) < 0) {
2853                 snd_card_disconnect(card);
2854                 return -EIO;
2855         }
2856 
2857         pci_set_master(pci);
2858 
2859         snd_vt1724_chip_reset(ice);
2860 
2861         if (snd_vt1724_chip_init(ice) < 0) {
2862                 snd_card_disconnect(card);
2863                 return -EIO;
2864         }
2865 
2866         if (ice->pm_resume)
2867                 ice->pm_resume(ice);
2868 
2869         if (ice->pm_saved_is_spdif_master) {
2870                 /* switching to external clock via SPDIF */
2871                 ice->set_spdif_clock(ice, 0);
2872         } else {
2873                 /* internal on-card clock */
2874                 int rate;
2875                 if (ice->cur_rate)
2876                         rate = ice->cur_rate;
2877                 else
2878                         rate = ice->pro_rate_default;
2879                 snd_vt1724_set_pro_rate(ice, rate, 1);
2880         }
2881 
2882         update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2883 
2884         outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2885         outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2886 
2887         if (ice->ac97)
2888                 snd_ac97_resume(ice->ac97);
2889 
2890         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2891         return 0;
2892 }
2893 
2894 static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2895 #define SND_VT1724_PM_OPS       &snd_vt1724_pm
2896 #else
2897 #define SND_VT1724_PM_OPS       NULL
2898 #endif /* CONFIG_PM_SLEEP */
2899 
2900 static struct pci_driver vt1724_driver = {
2901         .name = KBUILD_MODNAME,
2902         .id_table = snd_vt1724_ids,
2903         .probe = snd_vt1724_probe,
2904         .remove = snd_vt1724_remove,
2905         .driver = {
2906                 .pm = SND_VT1724_PM_OPS,
2907         },
2908 };
2909 
2910 module_pci_driver(vt1724_driver);
2911 

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