git.oblomov.eu Git - linux-2.6/blob - 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 void 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;
 638         spin_lock_irqsave(&ice->reg_lock, flags);
 639         if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
 640             (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
 641                 /* running? we cannot change the rate now... */
 642                 spin_unlock_irqrestore(&ice->reg_lock, flags);
 643                 return;
 644         }
 645         if (!force && is_pro_rate_locked(ice)) {
 646                 spin_unlock_irqrestore(&ice->reg_lock, flags);
 647                 return;
 648         }
 649
 650         old_rate = ice->get_rate(ice);
 651         if (force || (old_rate != rate))
 652                 ice->set_rate(ice, rate);
 653         else if (rate == ice->cur_rate) {
 654                 spin_unlock_irqrestore(&ice->reg_lock, flags);
 655                 return;
 656         }
 657
 658         ice->cur_rate = rate;
 659
 660         /* setting master clock */
 661         mclk_change = ice->set_mclk(ice, rate);
 662
 663         spin_unlock_irqrestore(&ice->reg_lock, flags);
 664
 665         if (mclk_change && ice->gpio.i2s_mclk_changed)
 666                 ice->gpio.i2s_mclk_changed(ice);
 667         if (ice->gpio.set_pro_rate)
 668                 ice->gpio.set_pro_rate(ice, rate);
 669
 670         /* set up codecs */
 671         for (i = 0; i < ice->akm_codecs; i++) {
 672                 if (ice->akm[i].ops.set_rate_val)
 673                         ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
 674         }
 675         if (ice->spdif.ops.setup_rate)
 676                 ice->spdif.ops.setup_rate(ice, rate);
 677 }
 678
 679 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
 680                                     struct snd_pcm_hw_params *hw_params)
 681 {
 682         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 683         int i, chs;
 684
 685         chs = params_channels(hw_params);
 686         mutex_lock(&ice->open_mutex);
 687         /* mark surround channels */
 688         if (substream == ice->playback_pro_substream) {
 689                 /* PDMA0 can be multi-channel up to 8 */
 690                 chs = chs / 2 - 1;
 691                 for (i = 0; i < chs; i++) {
 692                         if (ice->pcm_reserved[i] &&
 693                             ice->pcm_reserved[i] != substream) {
 694                                 mutex_unlock(&ice->open_mutex);
 695                                 return -EBUSY;
 696                         }
 697                         ice->pcm_reserved[i] = substream;
 698                 }
 699                 for (; i < 3; i++) {
 700                         if (ice->pcm_reserved[i] == substream)
 701                                 ice->pcm_reserved[i] = NULL;
 702                 }
 703         } else {
 704                 for (i = 0; i < 3; i++) {
 705                         /* check individual playback stream */
 706                         if (ice->playback_con_substream_ds[i] == substream) {
 707                                 if (ice->pcm_reserved[i] &&
 708                                     ice->pcm_reserved[i] != substream) {
 709                                         mutex_unlock(&ice->open_mutex);
 710                                         return -EBUSY;
 711                                 }
 712                                 ice->pcm_reserved[i] = substream;
 713                                 break;
 714                         }
 715                 }
 716         }
 717         mutex_unlock(&ice->open_mutex);
 718         snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
 719         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 720 }
 721
 722 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
 723 {
 724         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 725         int i;
 726
 727         mutex_lock(&ice->open_mutex);
 728         /* unmark surround channels */
 729         for (i = 0; i < 3; i++)
 730                 if (ice->pcm_reserved[i] == substream)
 731                         ice->pcm_reserved[i] = NULL;
 732         mutex_unlock(&ice->open_mutex);
 733         return snd_pcm_lib_free_pages(substream);
 734 }
 735
 736 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
 737 {
 738         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 739         unsigned char val;
 740         unsigned int size;
 741
 742         spin_lock_irq(&ice->reg_lock);
 743         val = (8 - substream->runtime->channels) >> 1;
 744         outb(val, ICEMT1724(ice, BURST));
 745
 746         outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
 747
 748         size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
 749         /* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
 750         outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
 751         outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
 752         size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
 753         /* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
 754         outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
 755         outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
 756
 757         spin_unlock_irq(&ice->reg_lock);
 758
 759         /* printk("pro prepare: ch = %d, addr = 0x%x, buffer = 0x%x, period = 0x%x\n", substream->runtime->channels, (unsigned int)substream->runtime->dma_addr, snd_pcm_lib_buffer_bytes(substream), snd_pcm_lib_period_bytes(substream)); */
 760         return 0;
 761 }
 762
 763 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
 764 {
 765         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 766         size_t ptr;
 767
 768         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
 769                 return 0;
 770 #if 0 /* read PLAYBACK_ADDR */
 771         ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
 772         if (ptr < substream->runtime->dma_addr) {
 773                 snd_printd("ice1724: invalid negative ptr\n");
 774                 return 0;
 775         }
 776         ptr -= substream->runtime->dma_addr;
 777         ptr = bytes_to_frames(substream->runtime, ptr);
 778         if (ptr >= substream->runtime->buffer_size) {
 779                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 780                            (int)ptr, (int)substream->runtime->period_size);
 781                 return 0;
 782         }
 783 #else /* read PLAYBACK_SIZE */
 784         ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
 785         ptr = (ptr + 1) << 2;
 786         ptr = bytes_to_frames(substream->runtime, ptr);
 787         if (!ptr)
 788                 ;
 789         else if (ptr <= substream->runtime->buffer_size)
 790                 ptr = substream->runtime->buffer_size - ptr;
 791         else {
 792                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 793                            (int)ptr, (int)substream->runtime->buffer_size);
 794                 ptr = 0;
 795         }
 796 #endif
 797         return ptr;
 798 }
 799
 800 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
 801 {
 802         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 803         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
 804
 805         spin_lock_irq(&ice->reg_lock);
 806         outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
 807         outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
 808              ice->profi_port + reg->size);
 809         outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
 810              ice->profi_port + reg->count);
 811         spin_unlock_irq(&ice->reg_lock);
 812         return 0;
 813 }
 814
 815 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
 816 {
 817         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 818         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
 819         size_t ptr;
 820
 821         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
 822                 return 0;
 823 #if 0 /* use ADDR register */
 824         ptr = inl(ice->profi_port + reg->addr);
 825         ptr -= substream->runtime->dma_addr;
 826         return bytes_to_frames(substream->runtime, ptr);
 827 #else /* use SIZE register */
 828         ptr = inw(ice->profi_port + reg->size);
 829         ptr = (ptr + 1) << 2;
 830         ptr = bytes_to_frames(substream->runtime, ptr);
 831         if (!ptr)
 832                 ;
 833         else if (ptr <= substream->runtime->buffer_size)
 834                 ptr = substream->runtime->buffer_size - ptr;
 835         else {
 836                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 837                            (int)ptr, (int)substream->runtime->buffer_size);
 838                 ptr = 0;
 839         }
 840         return ptr;
 841 #endif
 842 }
 843
 844 static const struct vt1724_pcm_reg vt1724_playback_pro_reg = {
 845         .addr = VT1724_MT_PLAYBACK_ADDR,
 846         .size = VT1724_MT_PLAYBACK_SIZE,
 847         .count = VT1724_MT_PLAYBACK_COUNT,
 848         .start = VT1724_PDMA0_START,
 849 };
 850
 851 static const struct vt1724_pcm_reg vt1724_capture_pro_reg = {
 852         .addr = VT1724_MT_CAPTURE_ADDR,
 853         .size = VT1724_MT_CAPTURE_SIZE,
 854         .count = VT1724_MT_CAPTURE_COUNT,
 855         .start = VT1724_RDMA0_START,
 856 };
 857
 858 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
 859         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 860                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 861                                  SNDRV_PCM_INFO_MMAP_VALID |
 862                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 863         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 864         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
 865         .rate_min =             8000,
 866         .rate_max =             192000,
 867         .channels_min =         2,
 868         .channels_max =         8,
 869         .buffer_bytes_max =     (1UL << 21),    /* 19bits dword */
 870         .period_bytes_min =     8 * 4 * 2,      /* FIXME: constraints needed */
 871         .period_bytes_max =     (1UL << 21),
 872         .periods_min =          2,
 873         .periods_max =          1024,
 874 };
 875
 876 static const struct snd_pcm_hardware snd_vt1724_spdif = {
 877         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 878                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 879                                  SNDRV_PCM_INFO_MMAP_VALID |
 880                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 881         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 882         .rates =                (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
 883                                  SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
 884                                  SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
 885                                  SNDRV_PCM_RATE_192000),
 886         .rate_min =             32000,
 887         .rate_max =             192000,
 888         .channels_min =         2,
 889         .channels_max =         2,
 890         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
 891         .period_bytes_min =     2 * 4 * 2,
 892         .period_bytes_max =     (1UL << 18),
 893         .periods_min =          2,
 894         .periods_max =          1024,
 895 };
 896
 897 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
 898         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 899                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 900                                  SNDRV_PCM_INFO_MMAP_VALID |
 901                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 902         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 903         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
 904         .rate_min =             8000,
 905         .rate_max =             192000,
 906         .channels_min =         2,
 907         .channels_max =         2,
 908         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
 909         .period_bytes_min =     2 * 4 * 2,
 910         .period_bytes_max =     (1UL << 18),
 911         .periods_min =          2,
 912         .periods_max =          1024,
 913 };
 914
 915 /*
 916  * set rate constraints
 917  */
 918 static void set_std_hw_rates(struct snd_ice1712 *ice)
 919 {
 920         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
 921                 /* I2S */
 922                 /* VT1720 doesn't support more than 96kHz */
 923                 if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
 924                         ice->hw_rates = &hw_constraints_rates_192;
 925                 else
 926                         ice->hw_rates = &hw_constraints_rates_96;
 927         } else {
 928                 /* ACLINK */
 929                 ice->hw_rates = &hw_constraints_rates_48;
 930         }
 931 }
 932
 933 static int set_rate_constraints(struct snd_ice1712 *ice,
 934                                 struct snd_pcm_substream *substream)
 935 {
 936         struct snd_pcm_runtime *runtime = substream->runtime;
 937
 938         runtime->hw.rate_min = ice->hw_rates->list[0];
 939         runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
 940         runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
 941         return snd_pcm_hw_constraint_list(runtime, 0,
 942                                           SNDRV_PCM_HW_PARAM_RATE,
 943                                           ice->hw_rates);
 944 }
 945
 946 /* multi-channel playback needs alignment 8x32bit regardless of the channels
 947  * actually used
 948  */
 949 #define VT1724_BUFFER_ALIGN     0x20
 950
 951 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
 952 {
 953         struct snd_pcm_runtime *runtime = substream->runtime;
 954         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 955         int chs, num_indeps;
 956
 957         runtime->private_data = (void *)&vt1724_playback_pro_reg;
 958         ice->playback_pro_substream = substream;
 959         runtime->hw = snd_vt1724_playback_pro;
 960         snd_pcm_set_sync(substream);
 961         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 962         set_rate_constraints(ice, substream);
 963         mutex_lock(&ice->open_mutex);
 964         /* calculate the currently available channels */
 965         num_indeps = ice->num_total_dacs / 2 - 1;
 966         for (chs = 0; chs < num_indeps; chs++) {
 967                 if (ice->pcm_reserved[chs])
 968                         break;
 969         }
 970         chs = (chs + 1) * 2;
 971         runtime->hw.channels_max = chs;
 972         if (chs > 2) /* channels must be even */
 973                 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 974         mutex_unlock(&ice->open_mutex);
 975         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
 976                                    VT1724_BUFFER_ALIGN);
 977         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
 978                                    VT1724_BUFFER_ALIGN);
 979         return 0;
 980 }
 981
 982 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
 983 {
 984         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 985         struct snd_pcm_runtime *runtime = substream->runtime;
 986
 987         runtime->private_data = (void *)&vt1724_capture_pro_reg;
 988         ice->capture_pro_substream = substream;
 989         runtime->hw = snd_vt1724_2ch_stereo;
 990         snd_pcm_set_sync(substream);
 991         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 992         set_rate_constraints(ice, substream);
 993         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
 994                                    VT1724_BUFFER_ALIGN);
 995         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
 996                                    VT1724_BUFFER_ALIGN);
 997         return 0;
 998 }
 999
1000 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1001 {
1002         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1003
1004         if (PRO_RATE_RESET)
1005                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1006         ice->playback_pro_substream = NULL;
1007
1008         return 0;
1009 }
1010
1011 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1012 {
1013         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1014
1015         if (PRO_RATE_RESET)
1016                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1017         ice->capture_pro_substream = NULL;
1018         return 0;
1019 }
1020
1021 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1022         .open =         snd_vt1724_playback_pro_open,
1023         .close =        snd_vt1724_playback_pro_close,
1024         .ioctl =        snd_pcm_lib_ioctl,
1025         .hw_params =    snd_vt1724_pcm_hw_params,
1026         .hw_free =      snd_vt1724_pcm_hw_free,
1027         .prepare =      snd_vt1724_playback_pro_prepare,
1028         .trigger =      snd_vt1724_pcm_trigger,
1029         .pointer =      snd_vt1724_playback_pro_pointer,
1030 };
1031
1032 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1033         .open =         snd_vt1724_capture_pro_open,
1034         .close =        snd_vt1724_capture_pro_close,
1035         .ioctl =        snd_pcm_lib_ioctl,
1036         .hw_params =    snd_vt1724_pcm_hw_params,
1037         .hw_free =      snd_vt1724_pcm_hw_free,
1038         .prepare =      snd_vt1724_pcm_prepare,
1039         .trigger =      snd_vt1724_pcm_trigger,
1040         .pointer =      snd_vt1724_pcm_pointer,
1041 };
1042
1043 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1044 {
1045         struct snd_pcm *pcm;
1046         int err;
1047
1048         err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
1049         if (err < 0)
1050                 return err;
1051
1052         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1053         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
1054
1055         pcm->private_data = ice;
1056         pcm->info_flags = 0;
1057         strcpy(pcm->name, "ICE1724");
1058
1059         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1060                                               snd_dma_pci_data(ice->pci),
1061                                               256*1024, 256*1024);
1062
1063         ice->pcm_pro = pcm;
1064
1065         return 0;
1066 }
1067
1068
1069 /*
1070  * SPDIF PCM
1071  */
1072
1073 static const struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
1074         .addr = VT1724_MT_PDMA4_ADDR,
1075         .size = VT1724_MT_PDMA4_SIZE,
1076         .count = VT1724_MT_PDMA4_COUNT,
1077         .start = VT1724_PDMA4_START,
1078 };
1079
1080 static const struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
1081         .addr = VT1724_MT_RDMA1_ADDR,
1082         .size = VT1724_MT_RDMA1_SIZE,
1083         .count = VT1724_MT_RDMA1_COUNT,
1084         .start = VT1724_RDMA1_START,
1085 };
1086
1087 /* update spdif control bits; call with reg_lock */
1088 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1089 {
1090         unsigned char cbit, disabled;
1091
1092         cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1093         disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1094         if (cbit != disabled)
1095                 outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1096         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1097         if (cbit != disabled)
1098                 outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1099         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1100 }
1101
1102 /* update SPDIF control bits according to the given rate */
1103 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1104 {
1105         unsigned int val, nval;
1106         unsigned long flags;
1107
1108         spin_lock_irqsave(&ice->reg_lock, flags);
1109         nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1110         nval &= ~(7 << 12);
1111         switch (rate) {
1112         case 44100: break;
1113         case 48000: nval |= 2 << 12; break;
1114         case 32000: nval |= 3 << 12; break;
1115         case 88200: nval |= 4 << 12; break;
1116         case 96000: nval |= 5 << 12; break;
1117         case 192000: nval |= 6 << 12; break;
1118         case 176400: nval |= 7 << 12; break;
1119         }
1120         if (val != nval)
1121                 update_spdif_bits(ice, nval);
1122         spin_unlock_irqrestore(&ice->reg_lock, flags);
1123 }
1124
1125 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1126 {
1127         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1128         if (!ice->force_pdma4)
1129                 update_spdif_rate(ice, substream->runtime->rate);
1130         return snd_vt1724_pcm_prepare(substream);
1131 }
1132
1133 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1134 {
1135         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1136         struct snd_pcm_runtime *runtime = substream->runtime;
1137
1138         runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1139         ice->playback_con_substream = substream;
1140         if (ice->force_pdma4) {
1141                 runtime->hw = snd_vt1724_2ch_stereo;
1142                 set_rate_constraints(ice, substream);
1143         } else
1144                 runtime->hw = snd_vt1724_spdif;
1145         snd_pcm_set_sync(substream);
1146         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1147         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1148                                    VT1724_BUFFER_ALIGN);
1149         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1150                                    VT1724_BUFFER_ALIGN);
1151         if (ice->spdif.ops.open)
1152                 ice->spdif.ops.open(ice, substream);
1153         return 0;
1154 }
1155
1156 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1157 {
1158         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1159
1160         if (PRO_RATE_RESET)
1161                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1162         ice->playback_con_substream = NULL;
1163         if (ice->spdif.ops.close)
1164                 ice->spdif.ops.close(ice, substream);
1165
1166         return 0;
1167 }
1168
1169 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1170 {
1171         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1172         struct snd_pcm_runtime *runtime = substream->runtime;
1173
1174         runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1175         ice->capture_con_substream = substream;
1176         if (ice->force_rdma1) {
1177                 runtime->hw = snd_vt1724_2ch_stereo;
1178                 set_rate_constraints(ice, substream);
1179         } else
1180                 runtime->hw = snd_vt1724_spdif;
1181         snd_pcm_set_sync(substream);
1182         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1183         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1184                                    VT1724_BUFFER_ALIGN);
1185         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1186                                    VT1724_BUFFER_ALIGN);
1187         if (ice->spdif.ops.open)
1188                 ice->spdif.ops.open(ice, substream);
1189         return 0;
1190 }
1191
1192 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1193 {
1194         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1195
1196         if (PRO_RATE_RESET)
1197                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1198         ice->capture_con_substream = NULL;
1199         if (ice->spdif.ops.close)
1200                 ice->spdif.ops.close(ice, substream);
1201
1202         return 0;
1203 }
1204
1205 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1206         .open =         snd_vt1724_playback_spdif_open,
1207         .close =        snd_vt1724_playback_spdif_close,
1208         .ioctl =        snd_pcm_lib_ioctl,
1209         .hw_params =    snd_vt1724_pcm_hw_params,
1210         .hw_free =      snd_vt1724_pcm_hw_free,
1211         .prepare =      snd_vt1724_playback_spdif_prepare,
1212         .trigger =      snd_vt1724_pcm_trigger,
1213         .pointer =      snd_vt1724_pcm_pointer,
1214 };
1215
1216 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1217         .open =         snd_vt1724_capture_spdif_open,
1218         .close =        snd_vt1724_capture_spdif_close,
1219         .ioctl =        snd_pcm_lib_ioctl,
1220         .hw_params =    snd_vt1724_pcm_hw_params,
1221         .hw_free =      snd_vt1724_pcm_hw_free,
1222         .prepare =      snd_vt1724_pcm_prepare,
1223         .trigger =      snd_vt1724_pcm_trigger,
1224         .pointer =      snd_vt1724_pcm_pointer,
1225 };
1226
1227
1228 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1229 {
1230         char *name;
1231         struct snd_pcm *pcm;
1232         int play, capt;
1233         int err;
1234
1235         if (ice->force_pdma4 ||
1236             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1237                 play = 1;
1238                 ice->has_spdif = 1;
1239         } else
1240                 play = 0;
1241         if (ice->force_rdma1 ||
1242             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1243                 capt = 1;
1244                 ice->has_spdif = 1;
1245         } else
1246                 capt = 0;
1247         if (!play && !capt)
1248                 return 0; /* no spdif device */
1249
1250         if (ice->force_pdma4 || ice->force_rdma1)
1251                 name = "ICE1724 Secondary";
1252         else
1253                 name = "ICE1724 IEC958";
1254         err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1255         if (err < 0)
1256                 return err;
1257
1258         if (play)
1259                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1260                                 &snd_vt1724_playback_spdif_ops);
1261         if (capt)
1262                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1263                                 &snd_vt1724_capture_spdif_ops);
1264
1265         pcm->private_data = ice;
1266         pcm->info_flags = 0;
1267         strcpy(pcm->name, name);
1268
1269         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1270                                               snd_dma_pci_data(ice->pci),
1271                                               64*1024, 64*1024);
1272
1273         ice->pcm = pcm;
1274
1275         return 0;
1276 }
1277
1278
1279 /*
1280  * independent surround PCMs
1281  */
1282
1283 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1284         {
1285                 .addr = VT1724_MT_PDMA1_ADDR,
1286                 .size = VT1724_MT_PDMA1_SIZE,
1287                 .count = VT1724_MT_PDMA1_COUNT,
1288                 .start = VT1724_PDMA1_START,
1289         },
1290         {
1291                 .addr = VT1724_MT_PDMA2_ADDR,
1292                 .size = VT1724_MT_PDMA2_SIZE,
1293                 .count = VT1724_MT_PDMA2_COUNT,
1294                 .start = VT1724_PDMA2_START,
1295         },
1296         {
1297                 .addr = VT1724_MT_PDMA3_ADDR,
1298                 .size = VT1724_MT_PDMA3_SIZE,
1299                 .count = VT1724_MT_PDMA3_COUNT,
1300                 .start = VT1724_PDMA3_START,
1301         },
1302 };
1303
1304 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1305 {
1306         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1307         unsigned char val;
1308
1309         spin_lock_irq(&ice->reg_lock);
1310         val = 3 - substream->number;
1311         if (inb(ICEMT1724(ice, BURST)) < val)
1312                 outb(val, ICEMT1724(ice, BURST));
1313         spin_unlock_irq(&ice->reg_lock);
1314         return snd_vt1724_pcm_prepare(substream);
1315 }
1316
1317 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1318 {
1319         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1320         struct snd_pcm_runtime *runtime = substream->runtime;
1321
1322         mutex_lock(&ice->open_mutex);
1323         /* already used by PDMA0? */
1324         if (ice->pcm_reserved[substream->number]) {
1325                 mutex_unlock(&ice->open_mutex);
1326                 return -EBUSY; /* FIXME: should handle blocking mode properly */
1327         }
1328         mutex_unlock(&ice->open_mutex);
1329         runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1330         ice->playback_con_substream_ds[substream->number] = substream;
1331         runtime->hw = snd_vt1724_2ch_stereo;
1332         snd_pcm_set_sync(substream);
1333         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1334         set_rate_constraints(ice, substream);
1335         return 0;
1336 }
1337
1338 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1339 {
1340         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1341
1342         if (PRO_RATE_RESET)
1343                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1344         ice->playback_con_substream_ds[substream->number] = NULL;
1345         ice->pcm_reserved[substream->number] = NULL;
1346
1347         return 0;
1348 }
1349
1350 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1351         .open =         snd_vt1724_playback_indep_open,
1352         .close =        snd_vt1724_playback_indep_close,
1353         .ioctl =        snd_pcm_lib_ioctl,
1354         .hw_params =    snd_vt1724_pcm_hw_params,
1355         .hw_free =      snd_vt1724_pcm_hw_free,
1356         .prepare =      snd_vt1724_playback_indep_prepare,
1357         .trigger =      snd_vt1724_pcm_trigger,
1358         .pointer =      snd_vt1724_pcm_pointer,
1359 };
1360
1361
1362 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1363 {
1364         struct snd_pcm *pcm;
1365         int play;
1366         int err;
1367
1368         play = ice->num_total_dacs / 2 - 1;
1369         if (play <= 0)
1370                 return 0;
1371
1372         err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1373         if (err < 0)
1374                 return err;
1375
1376         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1377                         &snd_vt1724_playback_indep_ops);
1378
1379         pcm->private_data = ice;
1380         pcm->info_flags = 0;
1381         strcpy(pcm->name, "ICE1724 Surround PCM");
1382
1383         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1384                                               snd_dma_pci_data(ice->pci),
1385                                               64*1024, 64*1024);
1386
1387         ice->pcm_ds = pcm;
1388
1389         return 0;
1390 }
1391
1392
1393 /*
1394  *  Mixer section
1395  */
1396
1397 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1398 {
1399         int err;
1400
1401         if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1402                 struct snd_ac97_bus *pbus;
1403                 struct snd_ac97_template ac97;
1404                 static struct snd_ac97_bus_ops ops = {
1405                         .write = snd_vt1724_ac97_write,
1406                         .read = snd_vt1724_ac97_read,
1407                 };
1408
1409                 /* cold reset */
1410                 outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1411                 mdelay(5); /* FIXME */
1412                 outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1413
1414                 err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1415                 if (err < 0)
1416                         return err;
1417                 memset(&ac97, 0, sizeof(ac97));
1418                 ac97.private_data = ice;
1419                 err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1420                 if (err < 0)
1421                         printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1422                 else
1423                         return 0;
1424         }
1425         /* I2S mixer only */
1426         strcat(ice->card->mixername, "ICE1724 - multitrack");
1427         return 0;
1428 }
1429
1430 /*
1431  *
1432  */
1433
1434 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1435 {
1436         return (unsigned int)ice->eeprom.data[idx] | \
1437                 ((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1438                 ((unsigned int)ice->eeprom.data[idx + 2] << 16);
1439 }
1440
1441 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1442                                  struct snd_info_buffer *buffer)
1443 {
1444         struct snd_ice1712 *ice = entry->private_data;
1445         unsigned int idx;
1446
1447         snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1448         snd_iprintf(buffer, "EEPROM:\n");
1449
1450         snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1451         snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1452         snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1453         snd_iprintf(buffer, "  System Config    : 0x%x\n",
1454                     ice->eeprom.data[ICE_EEP2_SYSCONF]);
1455         snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1456                     ice->eeprom.data[ICE_EEP2_ACLINK]);
1457         snd_iprintf(buffer, "  I2S              : 0x%x\n",
1458                     ice->eeprom.data[ICE_EEP2_I2S]);
1459         snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1460                     ice->eeprom.data[ICE_EEP2_SPDIF]);
1461         snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1462                     ice->eeprom.gpiodir);
1463         snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1464                     ice->eeprom.gpiomask);
1465         snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1466                     ice->eeprom.gpiostate);
1467         for (idx = 0x12; idx < ice->eeprom.size; idx++)
1468                 snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1469                             idx, ice->eeprom.data[idx]);
1470
1471         snd_iprintf(buffer, "\nRegisters:\n");
1472
1473         snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1474                     (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1475         for (idx = 0x0; idx < 0x20 ; idx++)
1476                 snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1477                             idx, inb(ice->port+idx));
1478         for (idx = 0x0; idx < 0x30 ; idx++)
1479                 snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1480                             idx, inb(ice->profi_port+idx));
1481 }
1482
1483 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 *ice)
1484 {
1485         struct snd_info_entry *entry;
1486
1487         if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1488                 snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1489 }
1490
1491 /*
1492  *
1493  */
1494
1495 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1496                                   struct snd_ctl_elem_info *uinfo)
1497 {
1498         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1499         uinfo->count = sizeof(struct snd_ice1712_eeprom);
1500         return 0;
1501 }
1502
1503 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1504                                  struct snd_ctl_elem_value *ucontrol)
1505 {
1506         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1507
1508         memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1509         return 0;
1510 }
1511
1512 static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1513         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1514         .name = "ICE1724 EEPROM",
1515         .access = SNDRV_CTL_ELEM_ACCESS_READ,
1516         .info = snd_vt1724_eeprom_info,
1517         .get = snd_vt1724_eeprom_get
1518 };
1519
1520 /*
1521  */
1522 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1523                                  struct snd_ctl_elem_info *uinfo)
1524 {
1525         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1526         uinfo->count = 1;
1527         return 0;
1528 }
1529
1530 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1531 {
1532         unsigned int val, rbits;
1533
1534         val = diga->status[0] & 0x03; /* professional, non-audio */
1535         if (val & 0x01) {
1536                 /* professional */
1537                 if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1538                     IEC958_AES0_PRO_EMPHASIS_5015)
1539                         val |= 1U << 3;
1540                 rbits = (diga->status[4] >> 3) & 0x0f;
1541                 if (rbits) {
1542                         switch (rbits) {
1543                         case 2: val |= 5 << 12; break; /* 96k */
1544                         case 3: val |= 6 << 12; break; /* 192k */
1545                         case 10: val |= 4 << 12; break; /* 88.2k */
1546                         case 11: val |= 7 << 12; break; /* 176.4k */
1547                         }
1548                 } else {
1549                         switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1550                         case IEC958_AES0_PRO_FS_44100:
1551                                 break;
1552                         case IEC958_AES0_PRO_FS_32000:
1553                                 val |= 3U << 12;
1554                                 break;
1555                         default:
1556                                 val |= 2U << 12;
1557                                 break;
1558                         }
1559                 }
1560         } else {
1561                 /* consumer */
1562                 val |= diga->status[1] & 0x04; /* copyright */
1563                 if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1564                     IEC958_AES0_CON_EMPHASIS_5015)
1565                         val |= 1U << 3;
1566                 val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1567                 val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1568         }
1569         return val;
1570 }
1571
1572 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1573 {
1574         memset(diga->status, 0, sizeof(diga->status));
1575         diga->status[0] = val & 0x03; /* professional, non-audio */
1576         if (val & 0x01) {
1577                 /* professional */
1578                 if (val & (1U << 3))
1579                         diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1580                 switch ((val >> 12) & 0x7) {
1581                 case 0:
1582                         break;
1583                 case 2:
1584                         diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1585                         break;
1586                 default:
1587                         diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1588                         break;
1589                 }
1590         } else {
1591                 /* consumer */
1592                 diga->status[0] |= val & (1U << 2); /* copyright */
1593                 if (val & (1U << 3))
1594                         diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1595                 diga->status[1] |= (val >> 4) & 0x3f; /* category */
1596                 diga->status[3] |= (val >> 12) & 0x07; /* fs */
1597         }
1598 }
1599
1600 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1601                                         struct snd_ctl_elem_value *ucontrol)
1602 {
1603         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1604         unsigned int val;
1605         val = inw(ICEMT1724(ice, SPDIF_CTRL));
1606         decode_spdif_bits(&ucontrol->value.iec958, val);
1607         return 0;
1608 }
1609
1610 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1611                                          struct snd_ctl_elem_value *ucontrol)
1612 {
1613         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1614         unsigned int val, old;
1615
1616         val = encode_spdif_bits(&ucontrol->value.iec958);
1617         spin_lock_irq(&ice->reg_lock);
1618         old = inw(ICEMT1724(ice, SPDIF_CTRL));
1619         if (val != old)
1620                 update_spdif_bits(ice, val);
1621         spin_unlock_irq(&ice->reg_lock);
1622         return val != old;
1623 }
1624
1625 static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1626 {
1627         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1628         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1629         .info =         snd_vt1724_spdif_info,
1630         .get =          snd_vt1724_spdif_default_get,
1631         .put =          snd_vt1724_spdif_default_put
1632 };
1633
1634 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1635                                        struct snd_ctl_elem_value *ucontrol)
1636 {
1637         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1638                                                      IEC958_AES0_PROFESSIONAL |
1639                                                      IEC958_AES0_CON_NOT_COPYRIGHT |
1640                                                      IEC958_AES0_CON_EMPHASIS;
1641         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1642                                                      IEC958_AES1_CON_CATEGORY;
1643         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1644         return 0;
1645 }
1646
1647 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1648                                        struct snd_ctl_elem_value *ucontrol)
1649 {
1650         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1651                                                      IEC958_AES0_PROFESSIONAL |
1652                                                      IEC958_AES0_PRO_FS |
1653                                                      IEC958_AES0_PRO_EMPHASIS;
1654         return 0;
1655 }
1656
1657 static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1658 {
1659         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1660         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1661         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1662         .info =         snd_vt1724_spdif_info,
1663         .get =          snd_vt1724_spdif_maskc_get,
1664 };
1665
1666 static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1667 {
1668         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1669         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1670         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1671         .info =         snd_vt1724_spdif_info,
1672         .get =          snd_vt1724_spdif_maskp_get,
1673 };
1674
1675 #define snd_vt1724_spdif_sw_info                snd_ctl_boolean_mono_info
1676
1677 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1678                                    struct snd_ctl_elem_value *ucontrol)
1679 {
1680         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1681         ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1682                 VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1683         return 0;
1684 }
1685
1686 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1687                                    struct snd_ctl_elem_value *ucontrol)
1688 {
1689         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1690         unsigned char old, val;
1691
1692         spin_lock_irq(&ice->reg_lock);
1693         old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1694         val &= ~VT1724_CFG_SPDIF_OUT_EN;
1695         if (ucontrol->value.integer.value[0])
1696                 val |= VT1724_CFG_SPDIF_OUT_EN;
1697         if (old != val)
1698                 outb(val, ICEREG1724(ice, SPDIF_CFG));
1699         spin_unlock_irq(&ice->reg_lock);
1700         return old != val;
1701 }
1702
1703 static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1704 {
1705         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1706         /* FIXME: the following conflict with IEC958 Playback Route */
1707         /* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1708         .name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1709         .info =         snd_vt1724_spdif_sw_info,
1710         .get =          snd_vt1724_spdif_sw_get,
1711         .put =          snd_vt1724_spdif_sw_put
1712 };
1713
1714
1715 #if 0 /* NOT USED YET */
1716 /*
1717  * GPIO access from extern
1718  */
1719
1720 #define snd_vt1724_gpio_info            snd_ctl_boolean_mono_info
1721
1722 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1723                         struct snd_ctl_elem_value *ucontrol)
1724 {
1725         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1726         int shift = kcontrol->private_value & 0xff;
1727         int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1728
1729         snd_ice1712_save_gpio_status(ice);
1730         ucontrol->value.integer.value[0] =
1731                 (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1732         snd_ice1712_restore_gpio_status(ice);
1733         return 0;
1734 }
1735
1736 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1737                          struct snd_ctl_elem_value *ucontrol)
1738 {
1739         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1740         int shift = kcontrol->private_value & 0xff;
1741         int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1742         unsigned int val, nval;
1743
1744         if (kcontrol->private_value & (1 << 31))
1745                 return -EPERM;
1746         nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1747         snd_ice1712_save_gpio_status(ice);
1748         val = snd_ice1712_gpio_read(ice);
1749         nval |= val & ~(1 << shift);
1750         if (val != nval)
1751                 snd_ice1712_gpio_write(ice, nval);
1752         snd_ice1712_restore_gpio_status(ice);
1753         return val != nval;
1754 }
1755 #endif /* NOT USED YET */
1756
1757 /*
1758  *  rate
1759  */
1760 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1761                                               struct snd_ctl_elem_info *uinfo)
1762 {
1763         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1764
1765         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1766         uinfo->count = 1;
1767         uinfo->value.enumerated.items = ice->hw_rates->count + 1;
1768         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1769                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1770         if (uinfo->value.enumerated.item == uinfo->value.enumerated.items - 1)
1771                 strcpy(uinfo->value.enumerated.name, "IEC958 Input");
1772         else
1773                 sprintf(uinfo->value.enumerated.name, "%d",
1774                         ice->hw_rates->list[uinfo->value.enumerated.item]);
1775         return 0;
1776 }
1777
1778 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1779                                              struct snd_ctl_elem_value *ucontrol)
1780 {
1781         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1782         unsigned int i, rate;
1783
1784         spin_lock_irq(&ice->reg_lock);
1785         if (ice->is_spdif_master(ice)) {
1786                 ucontrol->value.enumerated.item[0] = ice->hw_rates->count;
1787         } else {
1788                 rate = ice->get_rate(ice);
1789                 ucontrol->value.enumerated.item[0] = 0;
1790                 for (i = 0; i < ice->hw_rates->count; i++) {
1791                         if (ice->hw_rates->list[i] == rate) {
1792                                 ucontrol->value.enumerated.item[0] = i;
1793                                 break;
1794                         }
1795                 }
1796         }
1797         spin_unlock_irq(&ice->reg_lock);
1798         return 0;
1799 }
1800
1801 /* setting clock to external - SPDIF */
1802 static void stdclock_set_spdif_clock(struct snd_ice1712 *ice)
1803 {
1804         unsigned char oval;
1805         unsigned char i2s_oval;
1806         oval = inb(ICEMT1724(ice, RATE));
1807         outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1808         /* setting 256fs */
1809         i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1810         outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1811 }
1812
1813 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1814                                              struct snd_ctl_elem_value *ucontrol)
1815 {
1816         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1817         unsigned int old_rate, new_rate;
1818         unsigned int item = ucontrol->value.enumerated.item[0];
1819         unsigned int spdif = ice->hw_rates->count;
1820
1821         if (item > spdif)
1822                 return -EINVAL;
1823
1824         spin_lock_irq(&ice->reg_lock);
1825         if (ice->is_spdif_master(ice))
1826                 old_rate = 0;
1827         else
1828                 old_rate = ice->get_rate(ice);
1829         if (item == spdif) {
1830                 /* switching to external clock via SPDIF */
1831                 ice->set_spdif_clock(ice);
1832                 new_rate = 0;
1833         } else {
1834                 /* internal on-card clock */
1835                 new_rate = ice->hw_rates->list[item];
1836                 ice->pro_rate_default = new_rate;
1837                 spin_unlock_irq(&ice->reg_lock);
1838                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1839                 spin_lock_irq(&ice->reg_lock);
1840         }
1841         spin_unlock_irq(&ice->reg_lock);
1842
1843         /* the first reset to the SPDIF master mode? */
1844         if (old_rate != new_rate && !new_rate) {
1845                 /* notify akm chips as well */
1846                 unsigned int i;
1847                 if (ice->gpio.set_pro_rate)
1848                         ice->gpio.set_pro_rate(ice, 0);
1849                 for (i = 0; i < ice->akm_codecs; i++) {
1850                         if (ice->akm[i].ops.set_rate_val)
1851                                 ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1852                 }
1853         }
1854         return old_rate != new_rate;
1855 }
1856
1857 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1858         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1859         .name = "Multi Track Internal Clock",
1860         .info = snd_vt1724_pro_internal_clock_info,
1861         .get = snd_vt1724_pro_internal_clock_get,
1862         .put = snd_vt1724_pro_internal_clock_put
1863 };
1864
1865 #define snd_vt1724_pro_rate_locking_info        snd_ctl_boolean_mono_info
1866
1867 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1868                                            struct snd_ctl_elem_value *ucontrol)
1869 {
1870         ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1871         return 0;
1872 }
1873
1874 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1875                                            struct snd_ctl_elem_value *ucontrol)
1876 {
1877         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1878         int change = 0, nval;
1879
1880         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1881         spin_lock_irq(&ice->reg_lock);
1882         change = PRO_RATE_LOCKED != nval;
1883         PRO_RATE_LOCKED = nval;
1884         spin_unlock_irq(&ice->reg_lock);
1885         return change;
1886 }
1887
1888 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1889         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1890         .name = "Multi Track Rate Locking",
1891         .info = snd_vt1724_pro_rate_locking_info,
1892         .get = snd_vt1724_pro_rate_locking_get,
1893         .put = snd_vt1724_pro_rate_locking_put
1894 };
1895
1896 #define snd_vt1724_pro_rate_reset_info          snd_ctl_boolean_mono_info
1897
1898 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1899                                          struct snd_ctl_elem_value *ucontrol)
1900 {
1901         ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1902         return 0;
1903 }
1904
1905 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1906                                          struct snd_ctl_elem_value *ucontrol)
1907 {
1908         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1909         int change = 0, nval;
1910
1911         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1912         spin_lock_irq(&ice->reg_lock);
1913         change = PRO_RATE_RESET != nval;
1914         PRO_RATE_RESET = nval;
1915         spin_unlock_irq(&ice->reg_lock);
1916         return change;
1917 }
1918
1919 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1920         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1921         .name = "Multi Track Rate Reset",
1922         .info = snd_vt1724_pro_rate_reset_info,
1923         .get = snd_vt1724_pro_rate_reset_get,
1924         .put = snd_vt1724_pro_rate_reset_put
1925 };
1926
1927
1928 /*
1929  * routing
1930  */
1931 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1932                                      struct snd_ctl_elem_info *uinfo)
1933 {
1934         static char *texts[] = {
1935                 "PCM Out", /* 0 */
1936                 "H/W In 0", "H/W In 1", /* 1-2 */
1937                 "IEC958 In L", "IEC958 In R", /* 3-4 */
1938         };
1939
1940         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1941         uinfo->count = 1;
1942         uinfo->value.enumerated.items = 5;
1943         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1944                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1945         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1946         return 0;
1947 }
1948
1949 static inline int analog_route_shift(int idx)
1950 {
1951         return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1952 }
1953
1954 static inline int digital_route_shift(int idx)
1955 {
1956         return idx * 3;
1957 }
1958
1959 static int get_route_val(struct snd_ice1712 *ice, int shift)
1960 {
1961         unsigned long val;
1962         unsigned char eitem;
1963         static const unsigned char xlate[8] = {
1964                 0, 255, 1, 2, 255, 255, 3, 4,
1965         };
1966
1967         val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1968         val >>= shift;
1969         val &= 7; /* we now have 3 bits per output */
1970         eitem = xlate[val];
1971         if (eitem == 255) {
1972                 snd_BUG();
1973                 return 0;
1974         }
1975         return eitem;
1976 }
1977
1978 static int put_route_val(struct snd_ice1712 *ice, unsigned int val, int shift)
1979 {
1980         unsigned int old_val, nval;
1981         int change;
1982         static const unsigned char xroute[8] = {
1983                 0, /* PCM */
1984                 2, /* PSDIN0 Left */
1985                 3, /* PSDIN0 Right */
1986                 6, /* SPDIN Left */
1987                 7, /* SPDIN Right */
1988         };
1989
1990         nval = xroute[val % 5];
1991         val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1992         val &= ~(0x07 << shift);
1993         val |= nval << shift;
1994         change = val != old_val;
1995         if (change)
1996                 outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1997         return change;
1998 }
1999
2000 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2001                                            struct snd_ctl_elem_value *ucontrol)
2002 {
2003         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2004         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2005         ucontrol->value.enumerated.item[0] =
2006                 get_route_val(ice, analog_route_shift(idx));
2007         return 0;
2008 }
2009
2010 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2011                                            struct snd_ctl_elem_value *ucontrol)
2012 {
2013         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2014         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2015         return put_route_val(ice, ucontrol->value.enumerated.item[0],
2016                              analog_route_shift(idx));
2017 }
2018
2019 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2020                                           struct snd_ctl_elem_value *ucontrol)
2021 {
2022         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2023         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2024         ucontrol->value.enumerated.item[0] =
2025                 get_route_val(ice, digital_route_shift(idx));
2026         return 0;
2027 }
2028
2029 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2030                                           struct snd_ctl_elem_value *ucontrol)
2031 {
2032         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2033         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2034         return put_route_val(ice, ucontrol->value.enumerated.item[0],
2035                              digital_route_shift(idx));
2036 }
2037
2038 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata = {
2039         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2040         .name = "H/W Playback Route",
2041         .info = snd_vt1724_pro_route_info,
2042         .get = snd_vt1724_pro_route_analog_get,
2043         .put = snd_vt1724_pro_route_analog_put,
2044 };
2045
2046 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
2047         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2048         .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2049         .info = snd_vt1724_pro_route_info,
2050         .get = snd_vt1724_pro_route_spdif_get,
2051         .put = snd_vt1724_pro_route_spdif_put,
2052         .count = 2,
2053 };
2054
2055
2056 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2057                                     struct snd_ctl_elem_info *uinfo)
2058 {
2059         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2060         uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2061         uinfo->value.integer.min = 0;
2062         uinfo->value.integer.max = 255;
2063         return 0;
2064 }
2065
2066 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2067                                    struct snd_ctl_elem_value *ucontrol)
2068 {
2069         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2070         int idx;
2071
2072         spin_lock_irq(&ice->reg_lock);
2073         for (idx = 0; idx < 22; idx++) {
2074                 outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2075                 ucontrol->value.integer.value[idx] =
2076                         inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2077         }
2078         spin_unlock_irq(&ice->reg_lock);
2079         return 0;
2080 }
2081
2082 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
2083         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2084         .name = "Multi Track Peak",
2085         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2086         .info = snd_vt1724_pro_peak_info,
2087         .get = snd_vt1724_pro_peak_get
2088 };
2089
2090 /*
2091  *
2092  */
2093
2094 static struct snd_ice1712_card_info no_matched __devinitdata;
2095
2096 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
2097         snd_vt1724_revo_cards,
2098         snd_vt1724_amp_cards,
2099         snd_vt1724_aureon_cards,
2100         snd_vt1720_mobo_cards,
2101         snd_vt1720_pontis_cards,
2102         snd_vt1724_prodigy_hifi_cards,
2103         snd_vt1724_prodigy192_cards,
2104         snd_vt1724_juli_cards,
2105         snd_vt1724_phase_cards,
2106         snd_vt1724_wtm_cards,
2107         snd_vt1724_se_cards,
2108         NULL,
2109 };
2110
2111
2112 /*
2113  */
2114
2115 static void wait_i2c_busy(struct snd_ice1712 *ice)
2116 {
2117         int t = 0x10000;
2118         while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2119                 ;
2120         if (t == -1)
2121                 printk(KERN_ERR "ice1724: i2c busy timeout\n");
2122 }
2123
2124 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2125                                   unsigned char dev, unsigned char addr)
2126 {
2127         unsigned char val;
2128
2129         mutex_lock(&ice->i2c_mutex);
2130         wait_i2c_busy(ice);
2131         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2132         outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2133         wait_i2c_busy(ice);
2134         val = inb(ICEREG1724(ice, I2C_DATA));
2135         mutex_unlock(&ice->i2c_mutex);
2136         /* printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val); */
2137         return val;
2138 }
2139
2140 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2141                           unsigned char dev, unsigned char addr, unsigned char data)
2142 {
2143         mutex_lock(&ice->i2c_mutex);
2144         wait_i2c_busy(ice);
2145         /* printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data); */
2146         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2147         outb(data, ICEREG1724(ice, I2C_DATA));
2148         outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2149         wait_i2c_busy(ice);
2150         mutex_unlock(&ice->i2c_mutex);
2151 }
2152
2153 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2154                                             const char *modelname)
2155 {
2156         const int dev = 0xa0;           /* EEPROM device address */
2157         unsigned int i, size;
2158         struct snd_ice1712_card_info * const *tbl, *c;
2159
2160         if (!modelname || !*modelname) {
2161                 ice->eeprom.subvendor = 0;
2162                 if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2163                         ice->eeprom.subvendor =
2164                                 (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2165                                 (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2166                                 (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2167                                 (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2168                 if (ice->eeprom.subvendor == 0 ||
2169                     ice->eeprom.subvendor == (unsigned int)-1) {
2170                         /* invalid subvendor from EEPROM, try the PCI
2171                          * subststem ID instead
2172                          */
2173                         u16 vendor, device;
2174                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2175                                              &vendor);
2176                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2177                         ice->eeprom.subvendor =
2178                                 ((unsigned int)swab16(vendor) << 16) | swab16(device);
2179                         if (ice->eeprom.subvendor == 0 ||
2180                             ice->eeprom.subvendor == (unsigned int)-1) {
2181                                 printk(KERN_ERR "ice1724: No valid ID is found\n");
2182                                 return -ENXIO;
2183                         }
2184                 }
2185         }
2186         for (tbl = card_tables; *tbl; tbl++) {
2187                 for (c = *tbl; c->subvendor; c++) {
2188                         if (modelname && c->model &&
2189                             !strcmp(modelname, c->model)) {
2190                                 printk(KERN_INFO "ice1724: Using board model %s\n",
2191                                        c->name);
2192                                 ice->eeprom.subvendor = c->subvendor;
2193                         } else if (c->subvendor != ice->eeprom.subvendor)
2194                                 continue;
2195                         if (!c->eeprom_size || !c->eeprom_data)
2196                                 goto found;
2197                         /* if the EEPROM is given by the driver, use it */
2198                         snd_printdd("using the defined eeprom..\n");
2199                         ice->eeprom.version = 2;
2200                         ice->eeprom.size = c->eeprom_size + 6;
2201                         memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2202                         goto read_skipped;
2203                 }
2204         }
2205         printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2206                ice->eeprom.subvendor);
2207
2208  found:
2209         ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2210         if (ice->eeprom.size < 6)
2211                 ice->eeprom.size = 32;
2212         else if (ice->eeprom.size > 32) {
2213                 printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2214                        ice->eeprom.size);
2215                 return -EIO;
2216         }
2217         ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2218         if (ice->eeprom.version != 2)
2219                 printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2220                        ice->eeprom.version);
2221         size = ice->eeprom.size - 6;
2222         for (i = 0; i < size; i++)
2223                 ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2224
2225  read_skipped:
2226         ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2227         ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2228         ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2229
2230         return 0;
2231 }
2232
2233
2234
2235 static void __devinit snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2236 {
2237         outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2238         msleep(10);
2239         outb(0, ICEREG1724(ice, CONTROL));
2240         msleep(10);
2241 }
2242
2243 static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice)
2244 {
2245         outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2246         outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2247         outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2248         outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2249
2250         ice->gpio.write_mask = ice->eeprom.gpiomask;
2251         ice->gpio.direction = ice->eeprom.gpiodir;
2252         snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2253         snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2254         snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2255
2256         outb(0, ICEREG1724(ice, POWERDOWN));
2257
2258         return 0;
2259 }
2260
2261 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2262 {
2263         int err;
2264         struct snd_kcontrol *kctl;
2265
2266         if (snd_BUG_ON(!ice->pcm))
2267                 return -EIO;
2268
2269         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2270         if (err < 0)
2271                 return err;
2272
2273         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2274         if (err < 0)
2275                 return err;
2276
2277         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2278         if (err < 0)
2279                 return err;
2280         kctl->id.device = ice->pcm->device;
2281         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2282         if (err < 0)
2283                 return err;
2284         kctl->id.device = ice->pcm->device;
2285         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2286         if (err < 0)
2287                 return err;
2288         kctl->id.device = ice->pcm->device;
2289 #if 0 /* use default only */
2290         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2291         if (err < 0)
2292                 return err;
2293         kctl->id.device = ice->pcm->device;
2294         ice->spdif.stream_ctl = kctl;
2295 #endif
2296         return 0;
2297 }
2298
2299
2300 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2301 {
2302         int err;
2303
2304         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2305         if (err < 0)
2306                 return err;
2307         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2308         if (err < 0)
2309                 return err;
2310
2311         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2312         if (err < 0)
2313                 return err;
2314         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2315         if (err < 0)
2316                 return err;
2317
2318         if (ice->num_total_dacs > 0) {
2319                 struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2320                 tmp.count = ice->num_total_dacs;
2321                 if (ice->vt1720 && tmp.count > 2)
2322                         tmp.count = 2;
2323                 err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2324                 if (err < 0)
2325                         return err;
2326         }
2327
2328         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2329         if (err < 0)
2330                 return err;
2331
2332         return 0;
2333 }
2334
2335 static int snd_vt1724_free(struct snd_ice1712 *ice)
2336 {
2337         if (!ice->port)
2338                 goto __hw_end;
2339         /* mask all interrupts */
2340         outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2341         outb(0xff, ICEREG1724(ice, IRQMASK));
2342         /* --- */
2343 __hw_end:
2344         if (ice->irq >= 0)
2345                 free_irq(ice->irq, ice);
2346         pci_release_regions(ice->pci);
2347         snd_ice1712_akm4xxx_free(ice);
2348         pci_disable_device(ice->pci);
2349         kfree(ice->spec);
2350         kfree(ice);
2351         return 0;
2352 }
2353
2354 static int snd_vt1724_dev_free(struct snd_device *device)
2355 {
2356         struct snd_ice1712 *ice = device->device_data;
2357         return snd_vt1724_free(ice);
2358 }
2359
2360 static int __devinit snd_vt1724_create(struct snd_card *card,
2361                                        struct pci_dev *pci,
2362                                        const char *modelname,
2363                                        struct snd_ice1712 **r_ice1712)
2364 {
2365         struct snd_ice1712 *ice;
2366         int err;
2367         static struct snd_device_ops ops = {
2368                 .dev_free =     snd_vt1724_dev_free,
2369         };
2370
2371         *r_ice1712 = NULL;
2372
2373         /* enable PCI device */
2374         err = pci_enable_device(pci);
2375         if (err < 0)
2376                 return err;
2377
2378         ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2379         if (ice == NULL) {
2380                 pci_disable_device(pci);
2381                 return -ENOMEM;
2382         }
2383         ice->vt1724 = 1;
2384         spin_lock_init(&ice->reg_lock);
2385         mutex_init(&ice->gpio_mutex);
2386         mutex_init(&ice->open_mutex);
2387         mutex_init(&ice->i2c_mutex);
2388         ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2389         ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2390         ice->gpio.set_data = snd_vt1724_set_gpio_data;
2391         ice->gpio.get_data = snd_vt1724_get_gpio_data;
2392         ice->card = card;
2393         ice->pci = pci;
2394         ice->irq = -1;
2395         pci_set_master(pci);
2396         snd_vt1724_proc_init(ice);
2397         synchronize_irq(pci->irq);
2398
2399         err = pci_request_regions(pci, "ICE1724");
2400         if (err < 0) {
2401                 kfree(ice);
2402                 pci_disable_device(pci);
2403                 return err;
2404         }
2405         ice->port = pci_resource_start(pci, 0);
2406         ice->profi_port = pci_resource_start(pci, 1);
2407
2408         if (request_irq(pci->irq, snd_vt1724_interrupt,
2409                         IRQF_SHARED, "ICE1724", ice)) {
2410                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2411                 snd_vt1724_free(ice);
2412                 return -EIO;
2413         }
2414
2415         ice->irq = pci->irq;
2416
2417         snd_vt1724_chip_reset(ice);
2418         if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2419                 snd_vt1724_free(ice);
2420                 return -EIO;
2421         }
2422         if (snd_vt1724_chip_init(ice) < 0) {
2423                 snd_vt1724_free(ice);
2424                 return -EIO;
2425         }
2426
2427         /* MPU_RX and TX irq masks are cleared later dynamically */
2428         outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2429
2430         /* don't handle FIFO overrun/underruns (just yet),
2431          * since they cause machine lockups
2432          */
2433         outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2434
2435         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2436         if (err < 0) {
2437                 snd_vt1724_free(ice);
2438                 return err;
2439         }
2440
2441         snd_card_set_dev(card, &pci->dev);
2442
2443         *r_ice1712 = ice;
2444         return 0;
2445 }
2446
2447
2448 /*
2449  *
2450  * Registration
2451  *
2452  */
2453
2454 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2455                                       const struct pci_device_id *pci_id)
2456 {
2457         static int dev;
2458         struct snd_card *card;
2459         struct snd_ice1712 *ice;
2460         int pcm_dev = 0, err;
2461         struct snd_ice1712_card_info * const *tbl, *c;
2462
2463         if (dev >= SNDRV_CARDS)
2464                 return -ENODEV;
2465         if (!enable[dev]) {
2466                 dev++;
2467                 return -ENOENT;
2468         }
2469
2470         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2471         if (card == NULL)
2472                 return -ENOMEM;
2473
2474         strcpy(card->driver, "ICE1724");
2475         strcpy(card->shortname, "ICEnsemble ICE1724");
2476
2477         err = snd_vt1724_create(card, pci, model[dev], &ice);
2478         if (err < 0) {
2479                 snd_card_free(card);
2480                 return err;
2481         }
2482
2483         for (tbl = card_tables; *tbl; tbl++) {
2484                 for (c = *tbl; c->subvendor; c++) {
2485                         if (c->subvendor == ice->eeprom.subvendor) {
2486                                 strcpy(card->shortname, c->name);
2487                                 if (c->driver) /* specific driver? */
2488                                         strcpy(card->driver, c->driver);
2489                                 if (c->chip_init) {
2490                                         err = c->chip_init(ice);
2491                                         if (err < 0) {
2492                                                 snd_card_free(card);
2493                                                 return err;
2494                                         }
2495                                 }
2496                                 goto __found;
2497                         }
2498                 }
2499         }
2500         c = &no_matched;
2501 __found:
2502         /*
2503         * VT1724 has separate DMAs for the analog and the SPDIF streams while
2504         * ICE1712 has only one for both (mixed up).
2505         *
2506         * Confusingly the analog PCM is named "professional" here because it
2507         * was called so in ice1712 driver, and vt1724 driver is derived from
2508         * ice1712 driver.
2509         */
2510         ice->pro_rate_default = PRO_RATE_DEFAULT;
2511         if (!ice->is_spdif_master)
2512                 ice->is_spdif_master = stdclock_is_spdif_master;
2513         if (!ice->get_rate)
2514                 ice->get_rate = stdclock_get_rate;
2515         if (!ice->set_rate)
2516                 ice->set_rate = stdclock_set_rate;
2517         if (!ice->set_mclk)
2518                 ice->set_mclk = stdclock_set_mclk;
2519         if (!ice->set_spdif_clock)
2520                 ice->set_spdif_clock = stdclock_set_spdif_clock;
2521         if (!ice->hw_rates)
2522                 set_std_hw_rates(ice);
2523
2524         err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2525         if (err < 0) {
2526                 snd_card_free(card);
2527                 return err;
2528         }
2529
2530         err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2531         if (err < 0) {
2532                 snd_card_free(card);
2533                 return err;
2534         }
2535
2536         err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2537         if (err < 0) {
2538                 snd_card_free(card);
2539                 return err;
2540         }
2541
2542         err = snd_vt1724_ac97_mixer(ice);
2543         if (err < 0) {
2544                 snd_card_free(card);
2545                 return err;
2546         }
2547
2548         err = snd_vt1724_build_controls(ice);
2549         if (err < 0) {
2550                 snd_card_free(card);
2551                 return err;
2552         }
2553
2554         if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2555                 err = snd_vt1724_spdif_build_controls(ice);
2556                 if (err < 0) {
2557                         snd_card_free(card);
2558                         return err;
2559                 }
2560         }
2561
2562         if (c->build_controls) {
2563                 err = c->build_controls(ice);
2564                 if (err < 0) {
2565                         snd_card_free(card);
2566                         return err;
2567                 }
2568         }
2569
2570         if (!c->no_mpu401) {
2571                 if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2572                         struct snd_rawmidi *rmidi;
2573
2574                         err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2575                         if (err < 0) {
2576                                 snd_card_free(card);
2577                                 return err;
2578                         }
2579                         ice->rmidi[0] = rmidi;
2580                         rmidi->private_data = ice;
2581                         strcpy(rmidi->name, "ICE1724 MIDI");
2582                         rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2583                                             SNDRV_RAWMIDI_INFO_INPUT |
2584                                             SNDRV_RAWMIDI_INFO_DUPLEX;
2585                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2586                                             &vt1724_midi_output_ops);
2587                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2588                                             &vt1724_midi_input_ops);
2589
2590                         /* set watermarks */
2591                         outb(VT1724_MPU_RX_FIFO | 0x1,
2592                              ICEREG1724(ice, MPU_FIFO_WM));
2593                         outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2594                         /* set UART mode */
2595                         outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2596                 }
2597         }
2598
2599         sprintf(card->longname, "%s at 0x%lx, irq %i",
2600                 card->shortname, ice->port, ice->irq);
2601
2602         err = snd_card_register(card);
2603         if (err < 0) {
2604                 snd_card_free(card);
2605                 return err;
2606         }
2607         pci_set_drvdata(pci, card);
2608         dev++;
2609         return 0;
2610 }
2611
2612 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2613 {
2614         snd_card_free(pci_get_drvdata(pci));
2615         pci_set_drvdata(pci, NULL);
2616 }
2617
2618 static struct pci_driver driver = {
2619         .name = "ICE1724",
2620         .id_table = snd_vt1724_ids,
2621         .probe = snd_vt1724_probe,
2622         .remove = __devexit_p(snd_vt1724_remove),
2623 };
2624
2625 static int __init alsa_card_ice1724_init(void)
2626 {
2627         return pci_register_driver(&driver);
2628 }
2629
2630 static void __exit alsa_card_ice1724_exit(void)
2631 {
2632         pci_unregister_driver(&driver);
2633 }
2634
2635 module_init(alsa_card_ice1724_init)
2636 module_exit(alsa_card_ice1724_exit)