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