linux/sound/pci/ice1712/ice1724.c
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   1/*
   2 *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
   3 *                   VIA VT1720 (Envy24PT)
   4 *
   5 *      Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   6 *                    2002 James Stafford <jstafford@ampltd.com>
   7 *                    2003 Takashi Iwai <tiwai@suse.de>
   8 *
   9 *   This program is free software; you can redistribute it and/or modify
  10 *   it under the terms of the GNU General Public License as published by
  11 *   the Free Software Foundation; either version 2 of the License, or
  12 *   (at your option) any later version.
  13 *
  14 *   This program is distributed in the hope that it will be useful,
  15 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 *   GNU General Public License for more details.
  18 *
  19 *   You should have received a copy of the GNU General Public License
  20 *   along with this program; if not, write to the Free Software
  21 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22 *
  23 */
  24
  25#include <linux/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 "maya44.h"
  53#include "phase.h"
  54#include "wtm.h"
  55#include "se.h"
  56#include "quartet.h"
  57
  58MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  59MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
  60MODULE_LICENSE("GPL");
  61MODULE_SUPPORTED_DEVICE("{"
  62               REVO_DEVICE_DESC
  63               AMP_AUDIO2000_DEVICE_DESC
  64               AUREON_DEVICE_DESC
  65               VT1720_MOBO_DEVICE_DESC
  66               PONTIS_DEVICE_DESC
  67               PRODIGY192_DEVICE_DESC
  68               PRODIGY_HIFI_DEVICE_DESC
  69               JULI_DEVICE_DESC
  70               MAYA44_DEVICE_DESC
  71               PHASE_DEVICE_DESC
  72               WTM_DEVICE_DESC
  73               SE_DEVICE_DESC
  74               QTET_DEVICE_DESC
  75                "{VIA,VT1720},"
  76                "{VIA,VT1724},"
  77                "{ICEnsemble,Generic ICE1724},"
  78                "{ICEnsemble,Generic Envy24HT}"
  79                "{ICEnsemble,Generic Envy24PT}}");
  80
  81static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  82static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  83static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;              /* Enable this card */
  84static char *model[SNDRV_CARDS];
  85
  86module_param_array(index, int, NULL, 0444);
  87MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
  88module_param_array(id, charp, NULL, 0444);
  89MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
  90module_param_array(enable, bool, NULL, 0444);
  91MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
  92module_param_array(model, charp, NULL, 0444);
  93MODULE_PARM_DESC(model, "Use the given board model.");
  94
  95
  96/* Both VT1720 and VT1724 have the same PCI IDs */
  97static DEFINE_PCI_DEVICE_TABLE(snd_vt1724_ids) = {
  98        { PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 },
  99        { 0, }
 100};
 101
 102MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
 103
 104
 105static int PRO_RATE_LOCKED;
 106static int PRO_RATE_RESET = 1;
 107static unsigned int PRO_RATE_DEFAULT = 44100;
 108
 109static char *ext_clock_names[1] = { "IEC958 In" };
 110
 111/*
 112 *  Basic I/O
 113 */
 114
 115/*
 116 *  default rates, default clock routines
 117 */
 118
 119/* check whether the clock mode is spdif-in */
 120static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
 121{
 122        return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
 123}
 124
 125/*
 126 * locking rate makes sense only for internal clock mode
 127 */
 128static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
 129{
 130        return (!ice->is_spdif_master(ice)) && PRO_RATE_LOCKED;
 131}
 132
 133/*
 134 * ac97 section
 135 */
 136
 137static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
 138{
 139        unsigned char old_cmd;
 140        int tm;
 141        for (tm = 0; tm < 0x10000; tm++) {
 142                old_cmd = inb(ICEMT1724(ice, AC97_CMD));
 143                if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
 144                        continue;
 145                if (!(old_cmd & VT1724_AC97_READY))
 146                        continue;
 147                return old_cmd;
 148        }
 149        snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
 150        return old_cmd;
 151}
 152
 153static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
 154{
 155        int tm;
 156        for (tm = 0; tm < 0x10000; tm++)
 157                if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
 158                        return 0;
 159        snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
 160        return -EIO;
 161}
 162
 163static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
 164                                  unsigned short reg,
 165                                  unsigned short val)
 166{
 167        struct snd_ice1712 *ice = ac97->private_data;
 168        unsigned char old_cmd;
 169
 170        old_cmd = snd_vt1724_ac97_ready(ice);
 171        old_cmd &= ~VT1724_AC97_ID_MASK;
 172        old_cmd |= ac97->num;
 173        outb(reg, ICEMT1724(ice, AC97_INDEX));
 174        outw(val, ICEMT1724(ice, AC97_DATA));
 175        outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
 176        snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
 177}
 178
 179static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 180{
 181        struct snd_ice1712 *ice = ac97->private_data;
 182        unsigned char old_cmd;
 183
 184        old_cmd = snd_vt1724_ac97_ready(ice);
 185        old_cmd &= ~VT1724_AC97_ID_MASK;
 186        old_cmd |= ac97->num;
 187        outb(reg, ICEMT1724(ice, AC97_INDEX));
 188        outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
 189        if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
 190                return ~0;
 191        return inw(ICEMT1724(ice, AC97_DATA));
 192}
 193
 194
 195/*
 196 * GPIO operations
 197 */
 198
 199/* set gpio direction 0 = read, 1 = write */
 200static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
 201{
 202        outl(data, ICEREG1724(ice, GPIO_DIRECTION));
 203        inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
 204}
 205
 206/* get gpio direction 0 = read, 1 = write */
 207static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
 208{
 209        return inl(ICEREG1724(ice, GPIO_DIRECTION));
 210}
 211
 212/* set the gpio mask (0 = writable) */
 213static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
 214{
 215        outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
 216        if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
 217                outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
 218        inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
 219}
 220
 221static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
 222{
 223        unsigned int mask;
 224        if (!ice->vt1720)
 225                mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
 226        else
 227                mask = 0;
 228        mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
 229        return mask;
 230}
 231
 232static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
 233{
 234        outw(data, ICEREG1724(ice, GPIO_DATA));
 235        if (!ice->vt1720)
 236                outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
 237        inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
 238}
 239
 240static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
 241{
 242        unsigned int data;
 243        if (!ice->vt1720)
 244                data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
 245        else
 246                data = 0;
 247        data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
 248        return data;
 249}
 250
 251/*
 252 * MIDI
 253 */
 254
 255static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
 256{
 257        unsigned int count;
 258
 259        for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
 260                inb(ICEREG1724(ice, MPU_DATA));
 261}
 262
 263static inline struct snd_rawmidi_substream *
 264get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
 265{
 266        return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
 267                                struct snd_rawmidi_substream, list);
 268}
 269
 270static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
 271
 272static void vt1724_midi_write(struct snd_ice1712 *ice)
 273{
 274        struct snd_rawmidi_substream *s;
 275        int count, i;
 276        u8 buffer[32];
 277
 278        s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
 279        count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
 280        if (count > 0) {
 281                count = snd_rawmidi_transmit(s, buffer, count);
 282                for (i = 0; i < count; ++i)
 283                        outb(buffer[i], ICEREG1724(ice, MPU_DATA));
 284        }
 285        /* mask irq when all bytes have been transmitted.
 286         * enabled again in output_trigger when the new data comes in.
 287         */
 288        enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
 289                        !snd_rawmidi_transmit_empty(s));
 290}
 291
 292static void vt1724_midi_read(struct snd_ice1712 *ice)
 293{
 294        struct snd_rawmidi_substream *s;
 295        int count, i;
 296        u8 buffer[32];
 297
 298        s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
 299        count = inb(ICEREG1724(ice, MPU_RXFIFO));
 300        if (count > 0) {
 301                count = min(count, 32);
 302                for (i = 0; i < count; ++i)
 303                        buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
 304                snd_rawmidi_receive(s, buffer, count);
 305        }
 306}
 307
 308/* call with ice->reg_lock */
 309static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
 310{
 311        u8 mask = inb(ICEREG1724(ice, IRQMASK));
 312        if (enable)
 313                mask &= ~flag;
 314        else
 315                mask |= flag;
 316        outb(mask, ICEREG1724(ice, IRQMASK));
 317}
 318
 319static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
 320                                   u8 flag, int enable)
 321{
 322        struct snd_ice1712 *ice = substream->rmidi->private_data;
 323
 324        spin_lock_irq(&ice->reg_lock);
 325        enable_midi_irq(ice, flag, enable);
 326        spin_unlock_irq(&ice->reg_lock);
 327}
 328
 329static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
 330{
 331        return 0;
 332}
 333
 334static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
 335{
 336        return 0;
 337}
 338
 339static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
 340{
 341        struct snd_ice1712 *ice = s->rmidi->private_data;
 342        unsigned long flags;
 343
 344        spin_lock_irqsave(&ice->reg_lock, flags);
 345        if (up) {
 346                ice->midi_output = 1;
 347                vt1724_midi_write(ice);
 348        } else {
 349                ice->midi_output = 0;
 350                enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
 351        }
 352        spin_unlock_irqrestore(&ice->reg_lock, flags);
 353}
 354
 355static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
 356{
 357        struct snd_ice1712 *ice = s->rmidi->private_data;
 358        unsigned long timeout;
 359
 360        vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
 361        /* 32 bytes should be transmitted in less than about 12 ms */
 362        timeout = jiffies + msecs_to_jiffies(15);
 363        do {
 364                if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
 365                        break;
 366                schedule_timeout_uninterruptible(1);
 367        } while (time_after(timeout, jiffies));
 368}
 369
 370static struct snd_rawmidi_ops vt1724_midi_output_ops = {
 371        .open = vt1724_midi_output_open,
 372        .close = vt1724_midi_output_close,
 373        .trigger = vt1724_midi_output_trigger,
 374        .drain = vt1724_midi_output_drain,
 375};
 376
 377static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
 378{
 379        vt1724_midi_clear_rx(s->rmidi->private_data);
 380        vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
 381        return 0;
 382}
 383
 384static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
 385{
 386        vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
 387        return 0;
 388}
 389
 390static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
 391{
 392        struct snd_ice1712 *ice = s->rmidi->private_data;
 393        unsigned long flags;
 394
 395        spin_lock_irqsave(&ice->reg_lock, flags);
 396        if (up) {
 397                ice->midi_input = 1;
 398                vt1724_midi_read(ice);
 399        } else {
 400                ice->midi_input = 0;
 401        }
 402        spin_unlock_irqrestore(&ice->reg_lock, flags);
 403}
 404
 405static struct snd_rawmidi_ops vt1724_midi_input_ops = {
 406        .open = vt1724_midi_input_open,
 407        .close = vt1724_midi_input_close,
 408        .trigger = vt1724_midi_input_trigger,
 409};
 410
 411
 412/*
 413 *  Interrupt handler
 414 */
 415
 416static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
 417{
 418        struct snd_ice1712 *ice = dev_id;
 419        unsigned char status;
 420        unsigned char status_mask =
 421                VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
 422        int handled = 0;
 423        int timeout = 0;
 424
 425        while (1) {
 426                status = inb(ICEREG1724(ice, IRQSTAT));
 427                status &= status_mask;
 428                if (status == 0)
 429                        break;
 430                spin_lock(&ice->reg_lock);
 431                if (++timeout > 10) {
 432                        status = inb(ICEREG1724(ice, IRQSTAT));
 433                        printk(KERN_ERR "ice1724: Too long irq loop, "
 434                               "status = 0x%x\n", status);
 435                        if (status & VT1724_IRQ_MPU_TX) {
 436                                printk(KERN_ERR "ice1724: Disabling MPU_TX\n");
 437                                enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
 438                        }
 439                        spin_unlock(&ice->reg_lock);
 440                        break;
 441                }
 442                handled = 1;
 443                if (status & VT1724_IRQ_MPU_TX) {
 444                        if (ice->midi_output)
 445                                vt1724_midi_write(ice);
 446                        else
 447                                enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
 448                        /* Due to mysterical reasons, MPU_TX is always
 449                         * generated (and can't be cleared) when a PCM
 450                         * playback is going.  So let's ignore at the
 451                         * next loop.
 452                         */
 453                        status_mask &= ~VT1724_IRQ_MPU_TX;
 454                }
 455                if (status & VT1724_IRQ_MPU_RX) {
 456                        if (ice->midi_input)
 457                                vt1724_midi_read(ice);
 458                        else
 459                                vt1724_midi_clear_rx(ice);
 460                }
 461                /* ack MPU irq */
 462                outb(status, ICEREG1724(ice, IRQSTAT));
 463                spin_unlock(&ice->reg_lock);
 464                if (status & VT1724_IRQ_MTPCM) {
 465                        /*
 466                         * Multi-track PCM
 467                         * PCM assignment are:
 468                         * Playback DMA0 (M/C) = playback_pro_substream
 469                         * Playback DMA1 = playback_con_substream_ds[0]
 470                         * Playback DMA2 = playback_con_substream_ds[1]
 471                         * Playback DMA3 = playback_con_substream_ds[2]
 472                         * Playback DMA4 (SPDIF) = playback_con_substream
 473                         * Record DMA0 = capture_pro_substream
 474                         * Record DMA1 = capture_con_substream
 475                         */
 476                        unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
 477                        if (mtstat & VT1724_MULTI_PDMA0) {
 478                                if (ice->playback_pro_substream)
 479                                        snd_pcm_period_elapsed(ice->playback_pro_substream);
 480                        }
 481                        if (mtstat & VT1724_MULTI_RDMA0) {
 482                                if (ice->capture_pro_substream)
 483                                        snd_pcm_period_elapsed(ice->capture_pro_substream);
 484                        }
 485                        if (mtstat & VT1724_MULTI_PDMA1) {
 486                                if (ice->playback_con_substream_ds[0])
 487                                        snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
 488                        }
 489                        if (mtstat & VT1724_MULTI_PDMA2) {
 490                                if (ice->playback_con_substream_ds[1])
 491                                        snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
 492                        }
 493                        if (mtstat & VT1724_MULTI_PDMA3) {
 494                                if (ice->playback_con_substream_ds[2])
 495                                        snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
 496                        }
 497                        if (mtstat & VT1724_MULTI_PDMA4) {
 498                                if (ice->playback_con_substream)
 499                                        snd_pcm_period_elapsed(ice->playback_con_substream);
 500                        }
 501                        if (mtstat & VT1724_MULTI_RDMA1) {
 502                                if (ice->capture_con_substream)
 503                                        snd_pcm_period_elapsed(ice->capture_con_substream);
 504                        }
 505                        /* ack anyway to avoid freeze */
 506                        outb(mtstat, ICEMT1724(ice, IRQ));
 507                        /* ought to really handle this properly */
 508                        if (mtstat & VT1724_MULTI_FIFO_ERR) {
 509                                unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
 510                                outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
 511                                outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
 512                                /* If I don't do this, I get machine lockup due to continual interrupts */
 513                        }
 514
 515                }
 516        }
 517        return IRQ_RETVAL(handled);
 518}
 519
 520/*
 521 *  PCM code - professional part (multitrack)
 522 */
 523
 524static unsigned int rates[] = {
 525        8000, 9600, 11025, 12000, 16000, 22050, 24000,
 526        32000, 44100, 48000, 64000, 88200, 96000,
 527        176400, 192000,
 528};
 529
 530static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
 531        .count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
 532        .list = rates,
 533        .mask = 0,
 534};
 535
 536static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
 537        .count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
 538        .list = rates,
 539        .mask = 0,
 540};
 541
 542static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
 543        .count = ARRAY_SIZE(rates),
 544        .list = rates,
 545        .mask = 0,
 546};
 547
 548struct vt1724_pcm_reg {
 549        unsigned int addr;      /* ADDR register offset */
 550        unsigned int size;      /* SIZE register offset */
 551        unsigned int count;     /* COUNT register offset */
 552        unsigned int start;     /* start & pause bit */
 553};
 554
 555static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 556{
 557        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 558        unsigned char what;
 559        unsigned char old;
 560        struct snd_pcm_substream *s;
 561
 562        what = 0;
 563        snd_pcm_group_for_each_entry(s, substream) {
 564                if (snd_pcm_substream_chip(s) == ice) {
 565                        const struct vt1724_pcm_reg *reg;
 566                        reg = s->runtime->private_data;
 567                        what |= reg->start;
 568                        snd_pcm_trigger_done(s, substream);
 569                }
 570        }
 571
 572        switch (cmd) {
 573        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 574        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 575                spin_lock(&ice->reg_lock);
 576                old = inb(ICEMT1724(ice, DMA_PAUSE));
 577                if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 578                        old |= what;
 579                else
 580                        old &= ~what;
 581                outb(old, ICEMT1724(ice, DMA_PAUSE));
 582                spin_unlock(&ice->reg_lock);
 583                break;
 584
 585        case SNDRV_PCM_TRIGGER_START:
 586        case SNDRV_PCM_TRIGGER_STOP:
 587        case SNDRV_PCM_TRIGGER_SUSPEND:
 588                spin_lock(&ice->reg_lock);
 589                old = inb(ICEMT1724(ice, DMA_CONTROL));
 590                if (cmd == SNDRV_PCM_TRIGGER_START)
 591                        old |= what;
 592                else
 593                        old &= ~what;
 594                outb(old, ICEMT1724(ice, DMA_CONTROL));
 595                spin_unlock(&ice->reg_lock);
 596                break;
 597
 598        case SNDRV_PCM_TRIGGER_RESUME:
 599                /* apps will have to restart stream */
 600                break;
 601
 602        default:
 603                return -EINVAL;
 604        }
 605        return 0;
 606}
 607
 608/*
 609 */
 610
 611#define DMA_STARTS      (VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
 612        VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
 613#define DMA_PAUSES      (VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
 614        VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
 615
 616static const unsigned int stdclock_rate_list[16] = {
 617        48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
 618        22050, 11025, 88200, 176400, 0, 192000, 64000
 619};
 620
 621static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
 622{
 623        unsigned int rate;
 624        rate = stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
 625        return rate;
 626}
 627
 628static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
 629{
 630        int i;
 631        for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
 632                if (stdclock_rate_list[i] == rate) {
 633                        outb(i, ICEMT1724(ice, RATE));
 634                        return;
 635                }
 636        }
 637}
 638
 639static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
 640                                       unsigned int rate)
 641{
 642        unsigned char val, old;
 643        /* check MT02 */
 644        if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
 645                val = old = inb(ICEMT1724(ice, I2S_FORMAT));
 646                if (rate > 96000)
 647                        val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
 648                else
 649                        val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
 650                if (val != old) {
 651                        outb(val, ICEMT1724(ice, I2S_FORMAT));
 652                        /* master clock changed */
 653                        return 1;
 654                }
 655        }
 656        /* no change in master clock */
 657        return 0;
 658}
 659
 660static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
 661                                    int force)
 662{
 663        unsigned long flags;
 664        unsigned char mclk_change;
 665        unsigned int i, old_rate;
 666
 667        if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
 668                return -EINVAL;
 669
 670        spin_lock_irqsave(&ice->reg_lock, flags);
 671        if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
 672            (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
 673                /* running? we cannot change the rate now... */
 674                spin_unlock_irqrestore(&ice->reg_lock, flags);
 675                return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
 676        }
 677        if (!force && is_pro_rate_locked(ice)) {
 678                /* comparing required and current rate - makes sense for
 679                 * internal clock only */
 680                spin_unlock_irqrestore(&ice->reg_lock, flags);
 681                return (rate == ice->cur_rate) ? 0 : -EBUSY;
 682        }
 683
 684        if (force || !ice->is_spdif_master(ice)) {
 685                /* force means the rate was switched by ucontrol, otherwise
 686                 * setting clock rate for internal clock mode */
 687                old_rate = ice->get_rate(ice);
 688                if (force || (old_rate != rate))
 689                        ice->set_rate(ice, rate);
 690                else if (rate == ice->cur_rate) {
 691                        spin_unlock_irqrestore(&ice->reg_lock, flags);
 692                        return 0;
 693                }
 694        }
 695
 696        ice->cur_rate = rate;
 697
 698        /* setting master clock */
 699        mclk_change = ice->set_mclk(ice, rate);
 700
 701        spin_unlock_irqrestore(&ice->reg_lock, flags);
 702
 703        if (mclk_change && ice->gpio.i2s_mclk_changed)
 704                ice->gpio.i2s_mclk_changed(ice);
 705        if (ice->gpio.set_pro_rate)
 706                ice->gpio.set_pro_rate(ice, rate);
 707
 708        /* set up codecs */
 709        for (i = 0; i < ice->akm_codecs; i++) {
 710                if (ice->akm[i].ops.set_rate_val)
 711                        ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
 712        }
 713        if (ice->spdif.ops.setup_rate)
 714                ice->spdif.ops.setup_rate(ice, rate);
 715
 716        return 0;
 717}
 718
 719static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
 720                                    struct snd_pcm_hw_params *hw_params)
 721{
 722        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 723        int i, chs, err;
 724
 725        chs = params_channels(hw_params);
 726        mutex_lock(&ice->open_mutex);
 727        /* mark surround channels */
 728        if (substream == ice->playback_pro_substream) {
 729                /* PDMA0 can be multi-channel up to 8 */
 730                chs = chs / 2 - 1;
 731                for (i = 0; i < chs; i++) {
 732                        if (ice->pcm_reserved[i] &&
 733                            ice->pcm_reserved[i] != substream) {
 734                                mutex_unlock(&ice->open_mutex);
 735                                return -EBUSY;
 736                        }
 737                        ice->pcm_reserved[i] = substream;
 738                }
 739                for (; i < 3; i++) {
 740                        if (ice->pcm_reserved[i] == substream)
 741                                ice->pcm_reserved[i] = NULL;
 742                }
 743        } else {
 744                for (i = 0; i < 3; i++) {
 745                        /* check individual playback stream */
 746                        if (ice->playback_con_substream_ds[i] == substream) {
 747                                if (ice->pcm_reserved[i] &&
 748                                    ice->pcm_reserved[i] != substream) {
 749                                        mutex_unlock(&ice->open_mutex);
 750                                        return -EBUSY;
 751                                }
 752                                ice->pcm_reserved[i] = substream;
 753                                break;
 754                        }
 755                }
 756        }
 757        mutex_unlock(&ice->open_mutex);
 758
 759        err = snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
 760        if (err < 0)
 761                return err;
 762
 763        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 764}
 765
 766static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
 767{
 768        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 769        int i;
 770
 771        mutex_lock(&ice->open_mutex);
 772        /* unmark surround channels */
 773        for (i = 0; i < 3; i++)
 774                if (ice->pcm_reserved[i] == substream)
 775                        ice->pcm_reserved[i] = NULL;
 776        mutex_unlock(&ice->open_mutex);
 777        return snd_pcm_lib_free_pages(substream);
 778}
 779
 780static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
 781{
 782        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 783        unsigned char val;
 784        unsigned int size;
 785
 786        spin_lock_irq(&ice->reg_lock);
 787        val = (8 - substream->runtime->channels) >> 1;
 788        outb(val, ICEMT1724(ice, BURST));
 789
 790        outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
 791
 792        size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
 793        /* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
 794        outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
 795        outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
 796        size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
 797        /* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
 798        outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
 799        outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
 800
 801        spin_unlock_irq(&ice->reg_lock);
 802
 803        /*
 804        printk(KERN_DEBUG "pro prepare: ch = %d, addr = 0x%x, "
 805               "buffer = 0x%x, period = 0x%x\n",
 806               substream->runtime->channels,
 807               (unsigned int)substream->runtime->dma_addr,
 808               snd_pcm_lib_buffer_bytes(substream),
 809               snd_pcm_lib_period_bytes(substream));
 810        */
 811        return 0;
 812}
 813
 814static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
 815{
 816        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 817        size_t ptr;
 818
 819        if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
 820                return 0;
 821#if 0 /* read PLAYBACK_ADDR */
 822        ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
 823        if (ptr < substream->runtime->dma_addr) {
 824                snd_printd("ice1724: invalid negative ptr\n");
 825                return 0;
 826        }
 827        ptr -= substream->runtime->dma_addr;
 828        ptr = bytes_to_frames(substream->runtime, ptr);
 829        if (ptr >= substream->runtime->buffer_size) {
 830                snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 831                           (int)ptr, (int)substream->runtime->period_size);
 832                return 0;
 833        }
 834#else /* read PLAYBACK_SIZE */
 835        ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
 836        ptr = (ptr + 1) << 2;
 837        ptr = bytes_to_frames(substream->runtime, ptr);
 838        if (!ptr)
 839                ;
 840        else if (ptr <= substream->runtime->buffer_size)
 841                ptr = substream->runtime->buffer_size - ptr;
 842        else {
 843                snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 844                           (int)ptr, (int)substream->runtime->buffer_size);
 845                ptr = 0;
 846        }
 847#endif
 848        return ptr;
 849}
 850
 851static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
 852{
 853        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 854        const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
 855
 856        spin_lock_irq(&ice->reg_lock);
 857        outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
 858        outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
 859             ice->profi_port + reg->size);
 860        outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
 861             ice->profi_port + reg->count);
 862        spin_unlock_irq(&ice->reg_lock);
 863        return 0;
 864}
 865
 866static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
 867{
 868        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 869        const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
 870        size_t ptr;
 871
 872        if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
 873                return 0;
 874#if 0 /* use ADDR register */
 875        ptr = inl(ice->profi_port + reg->addr);
 876        ptr -= substream->runtime->dma_addr;
 877        return bytes_to_frames(substream->runtime, ptr);
 878#else /* use SIZE register */
 879        ptr = inw(ice->profi_port + reg->size);
 880        ptr = (ptr + 1) << 2;
 881        ptr = bytes_to_frames(substream->runtime, ptr);
 882        if (!ptr)
 883                ;
 884        else if (ptr <= substream->runtime->buffer_size)
 885                ptr = substream->runtime->buffer_size - ptr;
 886        else {
 887                snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 888                           (int)ptr, (int)substream->runtime->buffer_size);
 889                ptr = 0;
 890        }
 891        return ptr;
 892#endif
 893}
 894
 895static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
 896        .addr = VT1724_MT_PLAYBACK_ADDR,
 897        .size = VT1724_MT_PLAYBACK_SIZE,
 898        .count = VT1724_MT_PLAYBACK_COUNT,
 899        .start = VT1724_PDMA0_START,
 900};
 901
 902static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
 903        .addr = VT1724_MT_PDMA4_ADDR,
 904        .size = VT1724_MT_PDMA4_SIZE,
 905        .count = VT1724_MT_PDMA4_COUNT,
 906        .start = VT1724_PDMA4_START,
 907};
 908
 909static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
 910        .addr = VT1724_MT_CAPTURE_ADDR,
 911        .size = VT1724_MT_CAPTURE_SIZE,
 912        .count = VT1724_MT_CAPTURE_COUNT,
 913        .start = VT1724_RDMA0_START,
 914};
 915
 916static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
 917        .addr = VT1724_MT_RDMA1_ADDR,
 918        .size = VT1724_MT_RDMA1_SIZE,
 919        .count = VT1724_MT_RDMA1_COUNT,
 920        .start = VT1724_RDMA1_START,
 921};
 922
 923#define vt1724_playback_pro_reg vt1724_pdma0_reg
 924#define vt1724_playback_spdif_reg vt1724_pdma4_reg
 925#define vt1724_capture_pro_reg vt1724_rdma0_reg
 926#define vt1724_capture_spdif_reg vt1724_rdma1_reg
 927
 928static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
 929        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 930                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 931                                 SNDRV_PCM_INFO_MMAP_VALID |
 932                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 933        .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 934        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
 935        .rate_min =             8000,
 936        .rate_max =             192000,
 937        .channels_min =         2,
 938        .channels_max =         8,
 939        .buffer_bytes_max =     (1UL << 21),    /* 19bits dword */
 940        .period_bytes_min =     8 * 4 * 2,      /* FIXME: constraints needed */
 941        .period_bytes_max =     (1UL << 21),
 942        .periods_min =          2,
 943        .periods_max =          1024,
 944};
 945
 946static const struct snd_pcm_hardware snd_vt1724_spdif = {
 947        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 948                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 949                                 SNDRV_PCM_INFO_MMAP_VALID |
 950                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 951        .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 952        .rates =                (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
 953                                 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
 954                                 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
 955                                 SNDRV_PCM_RATE_192000),
 956        .rate_min =             32000,
 957        .rate_max =             192000,
 958        .channels_min =         2,
 959        .channels_max =         2,
 960        .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
 961        .period_bytes_min =     2 * 4 * 2,
 962        .period_bytes_max =     (1UL << 18),
 963        .periods_min =          2,
 964        .periods_max =          1024,
 965};
 966
 967static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
 968        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 969                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 970                                 SNDRV_PCM_INFO_MMAP_VALID |
 971                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 972        .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 973        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
 974        .rate_min =             8000,
 975        .rate_max =             192000,
 976        .channels_min =         2,
 977        .channels_max =         2,
 978        .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
 979        .period_bytes_min =     2 * 4 * 2,
 980        .period_bytes_max =     (1UL << 18),
 981        .periods_min =          2,
 982        .periods_max =          1024,
 983};
 984
 985/*
 986 * set rate constraints
 987 */
 988static void set_std_hw_rates(struct snd_ice1712 *ice)
 989{
 990        if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
 991                /* I2S */
 992                /* VT1720 doesn't support more than 96kHz */
 993                if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
 994                        ice->hw_rates = &hw_constraints_rates_192;
 995                else
 996                        ice->hw_rates = &hw_constraints_rates_96;
 997        } else {
 998                /* ACLINK */
 999                ice->hw_rates = &hw_constraints_rates_48;
1000        }
1001}
1002
1003static int set_rate_constraints(struct snd_ice1712 *ice,
1004                                struct snd_pcm_substream *substream)
1005{
1006        struct snd_pcm_runtime *runtime = substream->runtime;
1007
1008        runtime->hw.rate_min = ice->hw_rates->list[0];
1009        runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
1010        runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
1011        return snd_pcm_hw_constraint_list(runtime, 0,
1012                                          SNDRV_PCM_HW_PARAM_RATE,
1013                                          ice->hw_rates);
1014}
1015
1016/* multi-channel playback needs alignment 8x32bit regardless of the channels
1017 * actually used
1018 */
1019#define VT1724_BUFFER_ALIGN     0x20
1020
1021static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1022{
1023        struct snd_pcm_runtime *runtime = substream->runtime;
1024        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1025        int chs, num_indeps;
1026
1027        runtime->private_data = (void *)&vt1724_playback_pro_reg;
1028        ice->playback_pro_substream = substream;
1029        runtime->hw = snd_vt1724_playback_pro;
1030        snd_pcm_set_sync(substream);
1031        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1032        set_rate_constraints(ice, substream);
1033        mutex_lock(&ice->open_mutex);
1034        /* calculate the currently available channels */
1035        num_indeps = ice->num_total_dacs / 2 - 1;
1036        for (chs = 0; chs < num_indeps; chs++) {
1037                if (ice->pcm_reserved[chs])
1038                        break;
1039        }
1040        chs = (chs + 1) * 2;
1041        runtime->hw.channels_max = chs;
1042        if (chs > 2) /* channels must be even */
1043                snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1044        mutex_unlock(&ice->open_mutex);
1045        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1046                                   VT1724_BUFFER_ALIGN);
1047        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1048                                   VT1724_BUFFER_ALIGN);
1049        if (ice->pro_open)
1050                ice->pro_open(ice, substream);
1051        return 0;
1052}
1053
1054static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1055{
1056        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1057        struct snd_pcm_runtime *runtime = substream->runtime;
1058
1059        runtime->private_data = (void *)&vt1724_capture_pro_reg;
1060        ice->capture_pro_substream = substream;
1061        runtime->hw = snd_vt1724_2ch_stereo;
1062        snd_pcm_set_sync(substream);
1063        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1064        set_rate_constraints(ice, substream);
1065        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1066                                   VT1724_BUFFER_ALIGN);
1067        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1068                                   VT1724_BUFFER_ALIGN);
1069        if (ice->pro_open)
1070                ice->pro_open(ice, substream);
1071        return 0;
1072}
1073
1074static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1075{
1076        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1077
1078        if (PRO_RATE_RESET)
1079                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1080        ice->playback_pro_substream = NULL;
1081
1082        return 0;
1083}
1084
1085static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1086{
1087        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1088
1089        if (PRO_RATE_RESET)
1090                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1091        ice->capture_pro_substream = NULL;
1092        return 0;
1093}
1094
1095static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1096        .open =         snd_vt1724_playback_pro_open,
1097        .close =        snd_vt1724_playback_pro_close,
1098        .ioctl =        snd_pcm_lib_ioctl,
1099        .hw_params =    snd_vt1724_pcm_hw_params,
1100        .hw_free =      snd_vt1724_pcm_hw_free,
1101        .prepare =      snd_vt1724_playback_pro_prepare,
1102        .trigger =      snd_vt1724_pcm_trigger,
1103        .pointer =      snd_vt1724_playback_pro_pointer,
1104};
1105
1106static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1107        .open =         snd_vt1724_capture_pro_open,
1108        .close =        snd_vt1724_capture_pro_close,
1109        .ioctl =        snd_pcm_lib_ioctl,
1110        .hw_params =    snd_vt1724_pcm_hw_params,
1111        .hw_free =      snd_vt1724_pcm_hw_free,
1112        .prepare =      snd_vt1724_pcm_prepare,
1113        .trigger =      snd_vt1724_pcm_trigger,
1114        .pointer =      snd_vt1724_pcm_pointer,
1115};
1116
1117static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1118{
1119        struct snd_pcm *pcm;
1120        int err;
1121
1122        err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
1123        if (err < 0)
1124                return err;
1125
1126        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1127        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
1128
1129        pcm->private_data = ice;
1130        pcm->info_flags = 0;
1131        strcpy(pcm->name, "ICE1724");
1132
1133        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1134                                              snd_dma_pci_data(ice->pci),
1135                                              256*1024, 256*1024);
1136
1137        ice->pcm_pro = pcm;
1138
1139        return 0;
1140}
1141
1142
1143/*
1144 * SPDIF PCM
1145 */
1146
1147/* update spdif control bits; call with reg_lock */
1148static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1149{
1150        unsigned char cbit, disabled;
1151
1152        cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1153        disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1154        if (cbit != disabled)
1155                outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1156        outw(val, ICEMT1724(ice, SPDIF_CTRL));
1157        if (cbit != disabled)
1158                outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1159        outw(val, ICEMT1724(ice, SPDIF_CTRL));
1160}
1161
1162/* update SPDIF control bits according to the given rate */
1163static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1164{
1165        unsigned int val, nval;
1166        unsigned long flags;
1167
1168        spin_lock_irqsave(&ice->reg_lock, flags);
1169        nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1170        nval &= ~(7 << 12);
1171        switch (rate) {
1172        case 44100: break;
1173        case 48000: nval |= 2 << 12; break;
1174        case 32000: nval |= 3 << 12; break;
1175        case 88200: nval |= 4 << 12; break;
1176        case 96000: nval |= 5 << 12; break;
1177        case 192000: nval |= 6 << 12; break;
1178        case 176400: nval |= 7 << 12; break;
1179        }
1180        if (val != nval)
1181                update_spdif_bits(ice, nval);
1182        spin_unlock_irqrestore(&ice->reg_lock, flags);
1183}
1184
1185static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1186{
1187        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1188        if (!ice->force_pdma4)
1189                update_spdif_rate(ice, substream->runtime->rate);
1190        return snd_vt1724_pcm_prepare(substream);
1191}
1192
1193static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1194{
1195        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1196        struct snd_pcm_runtime *runtime = substream->runtime;
1197
1198        runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1199        ice->playback_con_substream = substream;
1200        if (ice->force_pdma4) {
1201                runtime->hw = snd_vt1724_2ch_stereo;
1202                set_rate_constraints(ice, substream);
1203        } else
1204                runtime->hw = snd_vt1724_spdif;
1205        snd_pcm_set_sync(substream);
1206        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1207        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1208                                   VT1724_BUFFER_ALIGN);
1209        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1210                                   VT1724_BUFFER_ALIGN);
1211        if (ice->spdif.ops.open)
1212                ice->spdif.ops.open(ice, substream);
1213        return 0;
1214}
1215
1216static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1217{
1218        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1219
1220        if (PRO_RATE_RESET)
1221                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1222        ice->playback_con_substream = NULL;
1223        if (ice->spdif.ops.close)
1224                ice->spdif.ops.close(ice, substream);
1225
1226        return 0;
1227}
1228
1229static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1230{
1231        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1232        struct snd_pcm_runtime *runtime = substream->runtime;
1233
1234        runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1235        ice->capture_con_substream = substream;
1236        if (ice->force_rdma1) {
1237                runtime->hw = snd_vt1724_2ch_stereo;
1238                set_rate_constraints(ice, substream);
1239        } else
1240                runtime->hw = snd_vt1724_spdif;
1241        snd_pcm_set_sync(substream);
1242        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1243        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1244                                   VT1724_BUFFER_ALIGN);
1245        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1246                                   VT1724_BUFFER_ALIGN);
1247        if (ice->spdif.ops.open)
1248                ice->spdif.ops.open(ice, substream);
1249        return 0;
1250}
1251
1252static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1253{
1254        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1255
1256        if (PRO_RATE_RESET)
1257                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1258        ice->capture_con_substream = NULL;
1259        if (ice->spdif.ops.close)
1260                ice->spdif.ops.close(ice, substream);
1261
1262        return 0;
1263}
1264
1265static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1266        .open =         snd_vt1724_playback_spdif_open,
1267        .close =        snd_vt1724_playback_spdif_close,
1268        .ioctl =        snd_pcm_lib_ioctl,
1269        .hw_params =    snd_vt1724_pcm_hw_params,
1270        .hw_free =      snd_vt1724_pcm_hw_free,
1271        .prepare =      snd_vt1724_playback_spdif_prepare,
1272        .trigger =      snd_vt1724_pcm_trigger,
1273        .pointer =      snd_vt1724_pcm_pointer,
1274};
1275
1276static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1277        .open =         snd_vt1724_capture_spdif_open,
1278        .close =        snd_vt1724_capture_spdif_close,
1279        .ioctl =        snd_pcm_lib_ioctl,
1280        .hw_params =    snd_vt1724_pcm_hw_params,
1281        .hw_free =      snd_vt1724_pcm_hw_free,
1282        .prepare =      snd_vt1724_pcm_prepare,
1283        .trigger =      snd_vt1724_pcm_trigger,
1284        .pointer =      snd_vt1724_pcm_pointer,
1285};
1286
1287
1288static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1289{
1290        char *name;
1291        struct snd_pcm *pcm;
1292        int play, capt;
1293        int err;
1294
1295        if (ice->force_pdma4 ||
1296            (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1297                play = 1;
1298                ice->has_spdif = 1;
1299        } else
1300                play = 0;
1301        if (ice->force_rdma1 ||
1302            (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1303                capt = 1;
1304                ice->has_spdif = 1;
1305        } else
1306                capt = 0;
1307        if (!play && !capt)
1308                return 0; /* no spdif device */
1309
1310        if (ice->force_pdma4 || ice->force_rdma1)
1311                name = "ICE1724 Secondary";
1312        else
1313                name = "ICE1724 IEC958";
1314        err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1315        if (err < 0)
1316                return err;
1317
1318        if (play)
1319                snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1320                                &snd_vt1724_playback_spdif_ops);
1321        if (capt)
1322                snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1323                                &snd_vt1724_capture_spdif_ops);
1324
1325        pcm->private_data = ice;
1326        pcm->info_flags = 0;
1327        strcpy(pcm->name, name);
1328
1329        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1330                                              snd_dma_pci_data(ice->pci),
1331                                              256*1024, 256*1024);
1332
1333        ice->pcm = pcm;
1334
1335        return 0;
1336}
1337
1338
1339/*
1340 * independent surround PCMs
1341 */
1342
1343static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1344        {
1345                .addr = VT1724_MT_PDMA1_ADDR,
1346                .size = VT1724_MT_PDMA1_SIZE,
1347                .count = VT1724_MT_PDMA1_COUNT,
1348                .start = VT1724_PDMA1_START,
1349        },
1350        {
1351                .addr = VT1724_MT_PDMA2_ADDR,
1352                .size = VT1724_MT_PDMA2_SIZE,
1353                .count = VT1724_MT_PDMA2_COUNT,
1354                .start = VT1724_PDMA2_START,
1355        },
1356        {
1357                .addr = VT1724_MT_PDMA3_ADDR,
1358                .size = VT1724_MT_PDMA3_SIZE,
1359                .count = VT1724_MT_PDMA3_COUNT,
1360                .start = VT1724_PDMA3_START,
1361        },
1362};
1363
1364static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1365{
1366        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1367        unsigned char val;
1368
1369        spin_lock_irq(&ice->reg_lock);
1370        val = 3 - substream->number;
1371        if (inb(ICEMT1724(ice, BURST)) < val)
1372                outb(val, ICEMT1724(ice, BURST));
1373        spin_unlock_irq(&ice->reg_lock);
1374        return snd_vt1724_pcm_prepare(substream);
1375}
1376
1377static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1378{
1379        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1380        struct snd_pcm_runtime *runtime = substream->runtime;
1381
1382        mutex_lock(&ice->open_mutex);
1383        /* already used by PDMA0? */
1384        if (ice->pcm_reserved[substream->number]) {
1385                mutex_unlock(&ice->open_mutex);
1386                return -EBUSY; /* FIXME: should handle blocking mode properly */
1387        }
1388        mutex_unlock(&ice->open_mutex);
1389        runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1390        ice->playback_con_substream_ds[substream->number] = substream;
1391        runtime->hw = snd_vt1724_2ch_stereo;
1392        snd_pcm_set_sync(substream);
1393        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1394        set_rate_constraints(ice, substream);
1395        return 0;
1396}
1397
1398static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1399{
1400        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1401
1402        if (PRO_RATE_RESET)
1403                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1404        ice->playback_con_substream_ds[substream->number] = NULL;
1405        ice->pcm_reserved[substream->number] = NULL;
1406
1407        return 0;
1408}
1409
1410static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1411        .open =         snd_vt1724_playback_indep_open,
1412        .close =        snd_vt1724_playback_indep_close,
1413        .ioctl =        snd_pcm_lib_ioctl,
1414        .hw_params =    snd_vt1724_pcm_hw_params,
1415        .hw_free =      snd_vt1724_pcm_hw_free,
1416        .prepare =      snd_vt1724_playback_indep_prepare,
1417        .trigger =      snd_vt1724_pcm_trigger,
1418        .pointer =      snd_vt1724_pcm_pointer,
1419};
1420
1421
1422static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1423{
1424        struct snd_pcm *pcm;
1425        int play;
1426        int err;
1427
1428        play = ice->num_total_dacs / 2 - 1;
1429        if (play <= 0)
1430                return 0;
1431
1432        err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1433        if (err < 0)
1434                return err;
1435
1436        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1437                        &snd_vt1724_playback_indep_ops);
1438
1439        pcm->private_data = ice;
1440        pcm->info_flags = 0;
1441        strcpy(pcm->name, "ICE1724 Surround PCM");
1442
1443        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1444                                              snd_dma_pci_data(ice->pci),
1445                                              256*1024, 256*1024);
1446
1447        ice->pcm_ds = pcm;
1448
1449        return 0;
1450}
1451
1452
1453/*
1454 *  Mixer section
1455 */
1456
1457static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1458{
1459        int err;
1460
1461        if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1462                struct snd_ac97_bus *pbus;
1463                struct snd_ac97_template ac97;
1464                static struct snd_ac97_bus_ops ops = {
1465                        .write = snd_vt1724_ac97_write,
1466                        .read = snd_vt1724_ac97_read,
1467                };
1468
1469                /* cold reset */
1470                outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1471                mdelay(5); /* FIXME */
1472                outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1473
1474                err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1475                if (err < 0)
1476                        return err;
1477                memset(&ac97, 0, sizeof(ac97));
1478                ac97.private_data = ice;
1479                err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1480                if (err < 0)
1481                        printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1482                else
1483                        return 0;
1484        }
1485        /* I2S mixer only */
1486        strcat(ice->card->mixername, "ICE1724 - multitrack");
1487        return 0;
1488}
1489
1490/*
1491 *
1492 */
1493
1494static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1495{
1496        return (unsigned int)ice->eeprom.data[idx] | \
1497                ((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1498                ((unsigned int)ice->eeprom.data[idx + 2] << 16);
1499}
1500
1501static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1502                                 struct snd_info_buffer *buffer)
1503{
1504        struct snd_ice1712 *ice = entry->private_data;
1505        unsigned int idx;
1506
1507        snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1508        snd_iprintf(buffer, "EEPROM:\n");
1509
1510        snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1511        snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1512        snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1513        snd_iprintf(buffer, "  System Config    : 0x%x\n",
1514                    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1515        snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1516                    ice->eeprom.data[ICE_EEP2_ACLINK]);
1517        snd_iprintf(buffer, "  I2S              : 0x%x\n",
1518                    ice->eeprom.data[ICE_EEP2_I2S]);
1519        snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1520                    ice->eeprom.data[ICE_EEP2_SPDIF]);
1521        snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1522                    ice->eeprom.gpiodir);
1523        snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1524                    ice->eeprom.gpiomask);
1525        snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1526                    ice->eeprom.gpiostate);
1527        for (idx = 0x12; idx < ice->eeprom.size; idx++)
1528                snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1529                            idx, ice->eeprom.data[idx]);
1530
1531        snd_iprintf(buffer, "\nRegisters:\n");
1532
1533        snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1534                    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1535        for (idx = 0x0; idx < 0x20 ; idx++)
1536                snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1537                            idx, inb(ice->port+idx));
1538        for (idx = 0x0; idx < 0x30 ; idx++)
1539                snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1540                            idx, inb(ice->profi_port+idx));
1541}
1542
1543static void __devinit snd_vt1724_proc_init(struct snd_ice1712 *ice)
1544{
1545        struct snd_info_entry *entry;
1546
1547        if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1548                snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1549}
1550
1551/*
1552 *
1553 */
1554
1555static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1556                                  struct snd_ctl_elem_info *uinfo)
1557{
1558        uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1559        uinfo->count = sizeof(struct snd_ice1712_eeprom);
1560        return 0;
1561}
1562
1563static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1564                                 struct snd_ctl_elem_value *ucontrol)
1565{
1566        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1567
1568        memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1569        return 0;
1570}
1571
1572static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1573        .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1574        .name = "ICE1724 EEPROM",
1575        .access = SNDRV_CTL_ELEM_ACCESS_READ,
1576        .info = snd_vt1724_eeprom_info,
1577        .get = snd_vt1724_eeprom_get
1578};
1579
1580/*
1581 */
1582static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1583                                 struct snd_ctl_elem_info *uinfo)
1584{
1585        uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1586        uinfo->count = 1;
1587        return 0;
1588}
1589
1590static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1591{
1592        unsigned int val, rbits;
1593
1594        val = diga->status[0] & 0x03; /* professional, non-audio */
1595        if (val & 0x01) {
1596                /* professional */
1597                if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1598                    IEC958_AES0_PRO_EMPHASIS_5015)
1599                        val |= 1U << 3;
1600                rbits = (diga->status[4] >> 3) & 0x0f;
1601                if (rbits) {
1602                        switch (rbits) {
1603                        case 2: val |= 5 << 12; break; /* 96k */
1604                        case 3: val |= 6 << 12; break; /* 192k */
1605                        case 10: val |= 4 << 12; break; /* 88.2k */
1606                        case 11: val |= 7 << 12; break; /* 176.4k */
1607                        }
1608                } else {
1609                        switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1610                        case IEC958_AES0_PRO_FS_44100:
1611                                break;
1612                        case IEC958_AES0_PRO_FS_32000:
1613                                val |= 3U << 12;
1614                                break;
1615                        default:
1616                                val |= 2U << 12;
1617                                break;
1618                        }
1619                }
1620        } else {
1621                /* consumer */
1622                val |= diga->status[1] & 0x04; /* copyright */
1623                if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1624                    IEC958_AES0_CON_EMPHASIS_5015)
1625                        val |= 1U << 3;
1626                val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1627                val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1628        }
1629        return val;
1630}
1631
1632static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1633{
1634        memset(diga->status, 0, sizeof(diga->status));
1635        diga->status[0] = val & 0x03; /* professional, non-audio */
1636        if (val & 0x01) {
1637                /* professional */
1638                if (val & (1U << 3))
1639                        diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1640                switch ((val >> 12) & 0x7) {
1641                case 0:
1642                        break;
1643                case 2:
1644                        diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1645                        break;
1646                default:
1647                        diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1648                        break;
1649                }
1650        } else {
1651                /* consumer */
1652                diga->status[0] |= val & (1U << 2); /* copyright */
1653                if (val & (1U << 3))
1654                        diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1655                diga->status[1] |= (val >> 4) & 0x3f; /* category */
1656                diga->status[3] |= (val >> 12) & 0x07; /* fs */
1657        }
1658}
1659
1660static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1661                                        struct snd_ctl_elem_value *ucontrol)
1662{
1663        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1664        unsigned int val;
1665        val = inw(ICEMT1724(ice, SPDIF_CTRL));
1666        decode_spdif_bits(&ucontrol->value.iec958, val);
1667        return 0;
1668}
1669
1670static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1671                                         struct snd_ctl_elem_value *ucontrol)
1672{
1673        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1674        unsigned int val, old;
1675
1676        val = encode_spdif_bits(&ucontrol->value.iec958);
1677        spin_lock_irq(&ice->reg_lock);
1678        old = inw(ICEMT1724(ice, SPDIF_CTRL));
1679        if (val != old)
1680                update_spdif_bits(ice, val);
1681        spin_unlock_irq(&ice->reg_lock);
1682        return val != old;
1683}
1684
1685static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1686{
1687        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1688        .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1689        .info =         snd_vt1724_spdif_info,
1690        .get =          snd_vt1724_spdif_default_get,
1691        .put =          snd_vt1724_spdif_default_put
1692};
1693
1694static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1695                                       struct snd_ctl_elem_value *ucontrol)
1696{
1697        ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1698                                                     IEC958_AES0_PROFESSIONAL |
1699                                                     IEC958_AES0_CON_NOT_COPYRIGHT |
1700                                                     IEC958_AES0_CON_EMPHASIS;
1701        ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1702                                                     IEC958_AES1_CON_CATEGORY;
1703        ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1704        return 0;
1705}
1706
1707static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1708                                       struct snd_ctl_elem_value *ucontrol)
1709{
1710        ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1711                                                     IEC958_AES0_PROFESSIONAL |
1712                                                     IEC958_AES0_PRO_FS |
1713                                                     IEC958_AES0_PRO_EMPHASIS;
1714        return 0;
1715}
1716
1717static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1718{
1719        .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1720        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1721        .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1722        .info =         snd_vt1724_spdif_info,
1723        .get =          snd_vt1724_spdif_maskc_get,
1724};
1725
1726static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1727{
1728        .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1729        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1730        .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1731        .info =         snd_vt1724_spdif_info,
1732        .get =          snd_vt1724_spdif_maskp_get,
1733};
1734
1735#define snd_vt1724_spdif_sw_info                snd_ctl_boolean_mono_info
1736
1737static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1738                                   struct snd_ctl_elem_value *ucontrol)
1739{
1740        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1741        ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1742                VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1743        return 0;
1744}
1745
1746static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1747                                   struct snd_ctl_elem_value *ucontrol)
1748{
1749        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1750        unsigned char old, val;
1751
1752        spin_lock_irq(&ice->reg_lock);
1753        old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1754        val &= ~VT1724_CFG_SPDIF_OUT_EN;
1755        if (ucontrol->value.integer.value[0])
1756                val |= VT1724_CFG_SPDIF_OUT_EN;
1757        if (old != val)
1758                outb(val, ICEREG1724(ice, SPDIF_CFG));
1759        spin_unlock_irq(&ice->reg_lock);
1760        return old != val;
1761}
1762
1763static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1764{
1765        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1766        /* FIXME: the following conflict with IEC958 Playback Route */
1767        /* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1768        .name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1769        .info =         snd_vt1724_spdif_sw_info,
1770        .get =          snd_vt1724_spdif_sw_get,
1771        .put =          snd_vt1724_spdif_sw_put
1772};
1773
1774
1775#if 0 /* NOT USED YET */
1776/*
1777 * GPIO access from extern
1778 */
1779
1780#define snd_vt1724_gpio_info            snd_ctl_boolean_mono_info
1781
1782int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1783                        struct snd_ctl_elem_value *ucontrol)
1784{
1785        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1786        int shift = kcontrol->private_value & 0xff;
1787        int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1788
1789        snd_ice1712_save_gpio_status(ice);
1790        ucontrol->value.integer.value[0] =
1791                (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1792        snd_ice1712_restore_gpio_status(ice);
1793        return 0;
1794}
1795
1796int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1797                         struct snd_ctl_elem_value *ucontrol)
1798{
1799        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1800        int shift = kcontrol->private_value & 0xff;
1801        int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1802        unsigned int val, nval;
1803
1804        if (kcontrol->private_value & (1 << 31))
1805                return -EPERM;
1806        nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1807        snd_ice1712_save_gpio_status(ice);
1808        val = snd_ice1712_gpio_read(ice);
1809        nval |= val & ~(1 << shift);
1810        if (val != nval)
1811                snd_ice1712_gpio_write(ice, nval);
1812        snd_ice1712_restore_gpio_status(ice);
1813        return val != nval;
1814}
1815#endif /* NOT USED YET */
1816
1817/*
1818 *  rate
1819 */
1820static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1821                                              struct snd_ctl_elem_info *uinfo)
1822{
1823        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1824        int hw_rates_count = ice->hw_rates->count;
1825        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1826        uinfo->count = 1;
1827
1828        uinfo->value.enumerated.items = hw_rates_count + ice->ext_clock_count;
1829        /* upper limit - keep at top */
1830        if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1831                uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1832        if (uinfo->value.enumerated.item >= hw_rates_count)
1833                /* ext_clock items */
1834                strcpy(uinfo->value.enumerated.name,
1835                                ice->ext_clock_names[
1836                                uinfo->value.enumerated.item - hw_rates_count]);
1837        else
1838                /* int clock items */
1839                sprintf(uinfo->value.enumerated.name, "%d",
1840                        ice->hw_rates->list[uinfo->value.enumerated.item]);
1841        return 0;
1842}
1843
1844static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1845                                             struct snd_ctl_elem_value *ucontrol)
1846{
1847        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1848        unsigned int i, rate;
1849
1850        spin_lock_irq(&ice->reg_lock);
1851        if (ice->is_spdif_master(ice)) {
1852                ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1853                        ice->get_spdif_master_type(ice);
1854        } else {
1855                rate = ice->get_rate(ice);
1856                ucontrol->value.enumerated.item[0] = 0;
1857                for (i = 0; i < ice->hw_rates->count; i++) {
1858                        if (ice->hw_rates->list[i] == rate) {
1859                                ucontrol->value.enumerated.item[0] = i;
1860                                break;
1861                        }
1862                }
1863        }
1864        spin_unlock_irq(&ice->reg_lock);
1865        return 0;
1866}
1867
1868static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1869{
1870        /* standard external clock - only single type - SPDIF IN */
1871        return 0;
1872}
1873
1874/* setting clock to external - SPDIF */
1875static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1876{
1877        unsigned char oval;
1878        unsigned char i2s_oval;
1879        oval = inb(ICEMT1724(ice, RATE));
1880        outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1881        /* setting 256fs */
1882        i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1883        outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1884        return 0;
1885}
1886
1887
1888static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1889                                             struct snd_ctl_elem_value *ucontrol)
1890{
1891        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1892        unsigned int old_rate, new_rate;
1893        unsigned int item = ucontrol->value.enumerated.item[0];
1894        unsigned int first_ext_clock = ice->hw_rates->count;
1895
1896        if (item >  first_ext_clock + ice->ext_clock_count - 1)
1897                return -EINVAL;
1898
1899        /* if rate = 0 => external clock */
1900        spin_lock_irq(&ice->reg_lock);
1901        if (ice->is_spdif_master(ice))
1902                old_rate = 0;
1903        else
1904                old_rate = ice->get_rate(ice);
1905        if (item >= first_ext_clock) {
1906                /* switching to external clock */
1907                ice->set_spdif_clock(ice, item - first_ext_clock);
1908                new_rate = 0;
1909        } else {
1910                /* internal on-card clock */
1911                new_rate = ice->hw_rates->list[item];
1912                ice->pro_rate_default = new_rate;
1913                spin_unlock_irq(&ice->reg_lock);
1914                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1915                spin_lock_irq(&ice->reg_lock);
1916        }
1917        spin_unlock_irq(&ice->reg_lock);
1918
1919        /* the first switch to the ext. clock mode? */
1920        if (old_rate != new_rate && !new_rate) {
1921                /* notify akm chips as well */
1922                unsigned int i;
1923                if (ice->gpio.set_pro_rate)
1924                        ice->gpio.set_pro_rate(ice, 0);
1925                for (i = 0; i < ice->akm_codecs; i++) {
1926                        if (ice->akm[i].ops.set_rate_val)
1927                                ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1928                }
1929        }
1930        return old_rate != new_rate;
1931}
1932
1933static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1934        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1935        .name = "Multi Track Internal Clock",
1936        .info = snd_vt1724_pro_internal_clock_info,
1937        .get = snd_vt1724_pro_internal_clock_get,
1938        .put = snd_vt1724_pro_internal_clock_put
1939};
1940
1941#define snd_vt1724_pro_rate_locking_info        snd_ctl_boolean_mono_info
1942
1943static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1944                                           struct snd_ctl_elem_value *ucontrol)
1945{
1946        ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1947        return 0;
1948}
1949
1950static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1951                                           struct snd_ctl_elem_value *ucontrol)
1952{
1953        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1954        int change = 0, nval;
1955
1956        nval = ucontrol->value.integer.value[0] ? 1 : 0;
1957        spin_lock_irq(&ice->reg_lock);
1958        change = PRO_RATE_LOCKED != nval;
1959        PRO_RATE_LOCKED = nval;
1960        spin_unlock_irq(&ice->reg_lock);
1961        return change;
1962}
1963
1964static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1965        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1966        .name = "Multi Track Rate Locking",
1967        .info = snd_vt1724_pro_rate_locking_info,
1968        .get = snd_vt1724_pro_rate_locking_get,
1969        .put = snd_vt1724_pro_rate_locking_put
1970};
1971
1972#define snd_vt1724_pro_rate_reset_info          snd_ctl_boolean_mono_info
1973
1974static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1975                                         struct snd_ctl_elem_value *ucontrol)
1976{
1977        ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1978        return 0;
1979}
1980
1981static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1982                                         struct snd_ctl_elem_value *ucontrol)
1983{
1984        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1985        int change = 0, nval;
1986
1987        nval = ucontrol->value.integer.value[0] ? 1 : 0;
1988        spin_lock_irq(&ice->reg_lock);
1989        change = PRO_RATE_RESET != nval;
1990        PRO_RATE_RESET = nval;
1991        spin_unlock_irq(&ice->reg_lock);
1992        return change;
1993}
1994
1995static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1996        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1997        .name = "Multi Track Rate Reset",
1998        .info = snd_vt1724_pro_rate_reset_info,
1999        .get = snd_vt1724_pro_rate_reset_get,
2000        .put = snd_vt1724_pro_rate_reset_put
2001};
2002
2003
2004/*
2005 * routing
2006 */
2007static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2008                                     struct snd_ctl_elem_info *uinfo)
2009{
2010        static char *texts[] = {
2011                "PCM Out", /* 0 */
2012                "H/W In 0", "H/W In 1", /* 1-2 */
2013                "IEC958 In L", "IEC958 In R", /* 3-4 */
2014        };
2015
2016        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2017        uinfo->count = 1;
2018        uinfo->value.enumerated.items = 5;
2019        if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2020                uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2021        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2022        return 0;
2023}
2024
2025static inline int analog_route_shift(int idx)
2026{
2027        return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2028}
2029
2030static inline int digital_route_shift(int idx)
2031{
2032        return idx * 3;
2033}
2034
2035int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2036{
2037        unsigned long val;
2038        unsigned char eitem;
2039        static const unsigned char xlate[8] = {
2040                0, 255, 1, 2, 255, 255, 3, 4,
2041        };
2042
2043        val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2044        val >>= shift;
2045        val &= 7; /* we now have 3 bits per output */
2046        eitem = xlate[val];
2047        if (eitem == 255) {
2048                snd_BUG();
2049                return 0;
2050        }
2051        return eitem;
2052}
2053
2054int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2055                                                                int shift)
2056{
2057        unsigned int old_val, nval;
2058        int change;
2059        static const unsigned char xroute[8] = {
2060                0, /* PCM */
2061                2, /* PSDIN0 Left */
2062                3, /* PSDIN0 Right */
2063                6, /* SPDIN Left */
2064                7, /* SPDIN Right */
2065        };
2066
2067        nval = xroute[val % 5];
2068        val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2069        val &= ~(0x07 << shift);
2070        val |= nval << shift;
2071        change = val != old_val;
2072        if (change)
2073                outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2074        return change;
2075}
2076
2077static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2078                                           struct snd_ctl_elem_value *ucontrol)
2079{
2080        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2081        int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2082        ucontrol->value.enumerated.item[0] =
2083                snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2084        return 0;
2085}
2086
2087static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2088                                           struct snd_ctl_elem_value *ucontrol)
2089{
2090        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2091        int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2092        return snd_ice1724_put_route_val(ice,
2093                                         ucontrol->value.enumerated.item[0],
2094                                         analog_route_shift(idx));
2095}
2096
2097static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2098                                          struct snd_ctl_elem_value *ucontrol)
2099{
2100        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2101        int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2102        ucontrol->value.enumerated.item[0] =
2103                snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2104        return 0;
2105}
2106
2107static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2108                                          struct snd_ctl_elem_value *ucontrol)
2109{
2110        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2111        int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2112        return snd_ice1724_put_route_val(ice,
2113                                         ucontrol->value.enumerated.item[0],
2114                                         digital_route_shift(idx));
2115}
2116
2117static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata =
2118{
2119        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2120        .name = "H/W Playback Route",
2121        .info = snd_vt1724_pro_route_info,
2122        .get = snd_vt1724_pro_route_analog_get,
2123        .put = snd_vt1724_pro_route_analog_put,
2124};
2125
2126static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
2127        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2128        .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2129        .info = snd_vt1724_pro_route_info,
2130        .get = snd_vt1724_pro_route_spdif_get,
2131        .put = snd_vt1724_pro_route_spdif_put,
2132        .count = 2,
2133};
2134
2135
2136static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2137                                    struct snd_ctl_elem_info *uinfo)
2138{
2139        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2140        uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2141        uinfo->value.integer.min = 0;
2142        uinfo->value.integer.max = 255;
2143        return 0;
2144}
2145
2146static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2147                                   struct snd_ctl_elem_value *ucontrol)
2148{
2149        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2150        int idx;
2151
2152        spin_lock_irq(&ice->reg_lock);
2153        for (idx = 0; idx < 22; idx++) {
2154                outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2155                ucontrol->value.integer.value[idx] =
2156                        inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2157        }
2158        spin_unlock_irq(&ice->reg_lock);
2159        return 0;
2160}
2161
2162static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
2163        .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2164        .name = "Multi Track Peak",
2165        .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2166        .info = snd_vt1724_pro_peak_info,
2167        .get = snd_vt1724_pro_peak_get
2168};
2169
2170/*
2171 *
2172 */
2173
2174static struct snd_ice1712_card_info no_matched __devinitdata;
2175
2176static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
2177        snd_vt1724_revo_cards,
2178        snd_vt1724_amp_cards,
2179        snd_vt1724_aureon_cards,
2180        snd_vt1720_mobo_cards,
2181        snd_vt1720_pontis_cards,
2182        snd_vt1724_prodigy_hifi_cards,
2183        snd_vt1724_prodigy192_cards,
2184        snd_vt1724_juli_cards,
2185        snd_vt1724_maya44_cards,
2186        snd_vt1724_phase_cards,
2187        snd_vt1724_wtm_cards,
2188        snd_vt1724_se_cards,
2189        snd_vt1724_qtet_cards,
2190        NULL,
2191};
2192
2193
2194/*
2195 */
2196
2197static void wait_i2c_busy(struct snd_ice1712 *ice)
2198{
2199        int t = 0x10000;
2200        while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2201                ;
2202        if (t == -1)
2203                printk(KERN_ERR "ice1724: i2c busy timeout\n");
2204}
2205
2206unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2207                                  unsigned char dev, unsigned char addr)
2208{
2209        unsigned char val;
2210
2211        mutex_lock(&ice->i2c_mutex);
2212        wait_i2c_busy(ice);
2213        outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2214        outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2215        wait_i2c_busy(ice);
2216        val = inb(ICEREG1724(ice, I2C_DATA));
2217        mutex_unlock(&ice->i2c_mutex);
2218        /*
2219        printk(KERN_DEBUG "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2220        */
2221        return val;
2222}
2223
2224void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2225                          unsigned char dev, unsigned char addr, unsigned char data)
2226{
2227        mutex_lock(&ice->i2c_mutex);
2228        wait_i2c_busy(ice);
2229        /*
2230        printk(KERN_DEBUG "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2231        */
2232        outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2233        outb(data, ICEREG1724(ice, I2C_DATA));
2234        outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2235        wait_i2c_busy(ice);
2236        mutex_unlock(&ice->i2c_mutex);
2237}
2238
2239static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2240                                            const char *modelname)
2241{
2242        const int dev = 0xa0;           /* EEPROM device address */
2243        unsigned int i, size;
2244        struct snd_ice1712_card_info * const *tbl, *c;
2245
2246        if (!modelname || !*modelname) {
2247                ice->eeprom.subvendor = 0;
2248                if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2249                        ice->eeprom.subvendor =
2250                                (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2251                                (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2252                                (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2253                                (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2254                if (ice->eeprom.subvendor == 0 ||
2255                    ice->eeprom.subvendor == (unsigned int)-1) {
2256                        /* invalid subvendor from EEPROM, try the PCI
2257                         * subststem ID instead
2258                         */
2259                        u16 vendor, device;
2260                        pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2261                                             &vendor);
2262                        pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2263                        ice->eeprom.subvendor =
2264                                ((unsigned int)swab16(vendor) << 16) | swab16(device);
2265                        if (ice->eeprom.subvendor == 0 ||
2266                            ice->eeprom.subvendor == (unsigned int)-1) {
2267                                printk(KERN_ERR "ice1724: No valid ID is found\n");
2268                                return -ENXIO;
2269                        }
2270                }
2271        }
2272        for (tbl = card_tables; *tbl; tbl++) {
2273                for (c = *tbl; c->subvendor; c++) {
2274                        if (modelname && c->model &&
2275                            !strcmp(modelname, c->model)) {
2276                                printk(KERN_INFO "ice1724: Using board model %s\n",
2277                                       c->name);
2278                                ice->eeprom.subvendor = c->subvendor;
2279                        } else if (c->subvendor != ice->eeprom.subvendor)
2280                                continue;
2281                        if (!c->eeprom_size || !c->eeprom_data)
2282                                goto found;
2283                        /* if the EEPROM is given by the driver, use it */
2284                        snd_printdd("using the defined eeprom..\n");
2285                        ice->eeprom.version = 2;
2286                        ice->eeprom.size = c->eeprom_size + 6;
2287                        memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2288                        goto read_skipped;
2289                }
2290        }
2291        printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2292               ice->eeprom.subvendor);
2293
2294 found:
2295        ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2296        if (ice->eeprom.size < 6)
2297                ice->eeprom.size = 32;
2298        else if (ice->eeprom.size > 32) {
2299                printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2300                       ice->eeprom.size);
2301                return -EIO;
2302        }
2303        ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2304        if (ice->eeprom.version != 2)
2305                printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2306                       ice->eeprom.version);
2307        size = ice->eeprom.size - 6;
2308        for (i = 0; i < size; i++)
2309                ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2310
2311 read_skipped:
2312        ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2313        ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2314        ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2315
2316        return 0;
2317}
2318
2319
2320
2321static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2322{
2323        outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2324        inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2325        msleep(10);
2326        outb(0, ICEREG1724(ice, CONTROL));
2327        inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2328        msleep(10);
2329}
2330
2331static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2332{
2333        outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2334        outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2335        outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2336        outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2337
2338        ice->gpio.write_mask = ice->eeprom.gpiomask;
2339        ice->gpio.direction = ice->eeprom.gpiodir;
2340        snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2341        snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2342        snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2343
2344        outb(0, ICEREG1724(ice, POWERDOWN));
2345
2346        /* MPU_RX and TX irq masks are cleared later dynamically */
2347        outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2348
2349        /* don't handle FIFO overrun/underruns (just yet),
2350         * since they cause machine lockups
2351         */
2352        outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2353
2354        return 0;
2355}
2356
2357static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2358{
2359        int err;
2360        struct snd_kcontrol *kctl;
2361
2362        if (snd_BUG_ON(!ice->pcm))
2363                return -EIO;
2364
2365        if (!ice->own_routing) {
2366                err = snd_ctl_add(ice->card,
2367                        snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2368                if (err < 0)
2369                        return err;
2370        }
2371
2372        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2373        if (err < 0)
2374                return err;
2375
2376        err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2377        if (err < 0)
2378                return err;
2379        kctl->id.device = ice->pcm->device;
2380        err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2381        if (err < 0)
2382                return err;
2383        kctl->id.device = ice->pcm->device;
2384        err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2385        if (err < 0)
2386                return err;
2387        kctl->id.device = ice->pcm->device;
2388#if 0 /* use default only */
2389        err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2390        if (err < 0)
2391                return err;
2392        kctl->id.device = ice->pcm->device;
2393        ice->spdif.stream_ctl = kctl;
2394#endif
2395        return 0;
2396}
2397
2398
2399static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2400{
2401        int err;
2402
2403        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2404        if (err < 0)
2405                return err;
2406        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2407        if (err < 0)
2408                return err;
2409
2410        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2411        if (err < 0)
2412                return err;
2413        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2414        if (err < 0)
2415                return err;
2416
2417        if (!ice->own_routing && ice->num_total_dacs > 0) {
2418                struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2419                tmp.count = ice->num_total_dacs;
2420                if (ice->vt1720 && tmp.count > 2)
2421                        tmp.count = 2;
2422                err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2423                if (err < 0)
2424                        return err;
2425        }
2426
2427        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2428        if (err < 0)
2429                return err;
2430
2431        return 0;
2432}
2433
2434static int snd_vt1724_free(struct snd_ice1712 *ice)
2435{
2436        if (!ice->port)
2437                goto __hw_end;
2438        /* mask all interrupts */
2439        outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2440        outb(0xff, ICEREG1724(ice, IRQMASK));
2441        /* --- */
2442__hw_end:
2443        if (ice->irq >= 0)
2444                free_irq(ice->irq, ice);
2445        pci_release_regions(ice->pci);
2446        snd_ice1712_akm4xxx_free(ice);
2447        pci_disable_device(ice->pci);
2448        kfree(ice->spec);
2449        kfree(ice);
2450        return 0;
2451}
2452
2453static int snd_vt1724_dev_free(struct snd_device *device)
2454{
2455        struct snd_ice1712 *ice = device->device_data;
2456        return snd_vt1724_free(ice);
2457}
2458
2459static int __devinit snd_vt1724_create(struct snd_card *card,
2460                                       struct pci_dev *pci,
2461                                       const char *modelname,
2462                                       struct snd_ice1712 **r_ice1712)
2463{
2464        struct snd_ice1712 *ice;
2465        int err;
2466        static struct snd_device_ops ops = {
2467                .dev_free =     snd_vt1724_dev_free,
2468        };
2469
2470        *r_ice1712 = NULL;
2471
2472        /* enable PCI device */
2473        err = pci_enable_device(pci);
2474        if (err < 0)
2475                return err;
2476
2477        ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2478        if (ice == NULL) {
2479                pci_disable_device(pci);
2480                return -ENOMEM;
2481        }
2482        ice->vt1724 = 1;
2483        spin_lock_init(&ice->reg_lock);
2484        mutex_init(&ice->gpio_mutex);
2485        mutex_init(&ice->open_mutex);
2486        mutex_init(&ice->i2c_mutex);
2487        ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2488        ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2489        ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2490        ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2491        ice->gpio.set_data = snd_vt1724_set_gpio_data;
2492        ice->gpio.get_data = snd_vt1724_get_gpio_data;
2493        ice->card = card;
2494        ice->pci = pci;
2495        ice->irq = -1;
2496        pci_set_master(pci);
2497        snd_vt1724_proc_init(ice);
2498        synchronize_irq(pci->irq);
2499
2500        card->private_data = ice;
2501
2502        err = pci_request_regions(pci, "ICE1724");
2503        if (err < 0) {
2504                kfree(ice);
2505                pci_disable_device(pci);
2506                return err;
2507        }
2508        ice->port = pci_resource_start(pci, 0);
2509        ice->profi_port = pci_resource_start(pci, 1);
2510
2511        if (request_irq(pci->irq, snd_vt1724_interrupt,
2512                        IRQF_SHARED, "ICE1724", ice)) {
2513                snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2514                snd_vt1724_free(ice);
2515                return -EIO;
2516        }
2517
2518        ice->irq = pci->irq;
2519
2520        snd_vt1724_chip_reset(ice);
2521        if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2522                snd_vt1724_free(ice);
2523                return -EIO;
2524        }
2525        if (snd_vt1724_chip_init(ice) < 0) {
2526                snd_vt1724_free(ice);
2527                return -EIO;
2528        }
2529
2530        err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2531        if (err < 0) {
2532                snd_vt1724_free(ice);
2533                return err;
2534        }
2535
2536        snd_card_set_dev(card, &pci->dev);
2537
2538        *r_ice1712 = ice;
2539        return 0;
2540}
2541
2542
2543/*
2544 *
2545 * Registration
2546 *
2547 */
2548
2549static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2550                                      const struct pci_device_id *pci_id)
2551{
2552        static int dev;
2553        struct snd_card *card;
2554        struct snd_ice1712 *ice;
2555        int pcm_dev = 0, err;
2556        struct snd_ice1712_card_info * const *tbl, *c;
2557
2558        if (dev >= SNDRV_CARDS)
2559                return -ENODEV;
2560        if (!enable[dev]) {
2561                dev++;
2562                return -ENOENT;
2563        }
2564
2565        err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2566        if (err < 0)
2567                return err;
2568
2569        strcpy(card->driver, "ICE1724");
2570        strcpy(card->shortname, "ICEnsemble ICE1724");
2571
2572        err = snd_vt1724_create(card, pci, model[dev], &ice);
2573        if (err < 0) {
2574                snd_card_free(card);
2575                return err;
2576        }
2577
2578        /* field init before calling chip_init */
2579        ice->ext_clock_count = 0;
2580
2581        for (tbl = card_tables; *tbl; tbl++) {
2582                for (c = *tbl; c->subvendor; c++) {
2583                        if (c->subvendor == ice->eeprom.subvendor) {
2584                                strcpy(card->shortname, c->name);
2585                                if (c->driver) /* specific driver? */
2586                                        strcpy(card->driver, c->driver);
2587                                if (c->chip_init) {
2588                                        err = c->chip_init(ice);
2589                                        if (err < 0) {
2590                                                snd_card_free(card);
2591                                                return err;
2592                                        }
2593                                }
2594                                goto __found;
2595                        }
2596                }
2597        }
2598        c = &no_matched;
2599__found:
2600        /*
2601        * VT1724 has separate DMAs for the analog and the SPDIF streams while
2602        * ICE1712 has only one for both (mixed up).
2603        *
2604        * Confusingly the analog PCM is named "professional" here because it
2605        * was called so in ice1712 driver, and vt1724 driver is derived from
2606        * ice1712 driver.
2607        */
2608        ice->pro_rate_default = PRO_RATE_DEFAULT;
2609        if (!ice->is_spdif_master)
2610                ice->is_spdif_master = stdclock_is_spdif_master;
2611        if (!ice->get_rate)
2612                ice->get_rate = stdclock_get_rate;
2613        if (!ice->set_rate)
2614                ice->set_rate = stdclock_set_rate;
2615        if (!ice->set_mclk)
2616                ice->set_mclk = stdclock_set_mclk;
2617        if (!ice->set_spdif_clock)
2618                ice->set_spdif_clock = stdclock_set_spdif_clock;
2619        if (!ice->get_spdif_master_type)
2620                ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2621        if (!ice->ext_clock_names)
2622                ice->ext_clock_names = ext_clock_names;
2623        if (!ice->ext_clock_count)
2624                ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2625
2626        if (!ice->hw_rates)
2627                set_std_hw_rates(ice);
2628
2629        err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2630        if (err < 0) {
2631                snd_card_free(card);
2632                return err;
2633        }
2634
2635        err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2636        if (err < 0) {
2637                snd_card_free(card);
2638                return err;
2639        }
2640
2641        err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2642        if (err < 0) {
2643                snd_card_free(card);
2644                return err;
2645        }
2646
2647        err = snd_vt1724_ac97_mixer(ice);
2648        if (err < 0) {
2649                snd_card_free(card);
2650                return err;
2651        }
2652
2653        err = snd_vt1724_build_controls(ice);
2654        if (err < 0) {
2655                snd_card_free(card);
2656                return err;
2657        }
2658
2659        if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2660                err = snd_vt1724_spdif_build_controls(ice);
2661                if (err < 0) {
2662                        snd_card_free(card);
2663                        return err;
2664                }
2665        }
2666
2667        if (c->build_controls) {
2668                err = c->build_controls(ice);
2669                if (err < 0) {
2670                        snd_card_free(card);
2671                        return err;
2672                }
2673        }
2674
2675        if (!c->no_mpu401) {
2676                if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2677                        struct snd_rawmidi *rmidi;
2678
2679                        err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2680                        if (err < 0) {
2681                                snd_card_free(card);
2682                                return err;
2683                        }
2684                        ice->rmidi[0] = rmidi;
2685                        rmidi->private_data = ice;
2686                        strcpy(rmidi->name, "ICE1724 MIDI");
2687                        rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2688                                            SNDRV_RAWMIDI_INFO_INPUT |
2689                                            SNDRV_RAWMIDI_INFO_DUPLEX;
2690                        snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2691                                            &vt1724_midi_output_ops);
2692                        snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2693                                            &vt1724_midi_input_ops);
2694
2695                        /* set watermarks */
2696                        outb(VT1724_MPU_RX_FIFO | 0x1,
2697                             ICEREG1724(ice, MPU_FIFO_WM));
2698                        outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2699                        /* set UART mode */
2700                        outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2701                }
2702        }
2703
2704        sprintf(card->longname, "%s at 0x%lx, irq %i",
2705                card->shortname, ice->port, ice->irq);
2706
2707        err = snd_card_register(card);
2708        if (err < 0) {
2709                snd_card_free(card);
2710                return err;
2711        }
2712        pci_set_drvdata(pci, card);
2713        dev++;
2714        return 0;
2715}
2716
2717static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2718{
2719        snd_card_free(pci_get_drvdata(pci));
2720        pci_set_drvdata(pci, NULL);
2721}
2722
2723#ifdef CONFIG_PM
2724static int snd_vt1724_suspend(struct pci_dev *pci, pm_message_t state)
2725{
2726        struct snd_card *card = pci_get_drvdata(pci);
2727        struct snd_ice1712 *ice = card->private_data;
2728
2729        if (!ice->pm_suspend_enabled)
2730                return 0;
2731
2732        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2733
2734        snd_pcm_suspend_all(ice->pcm);
2735        snd_pcm_suspend_all(ice->pcm_pro);
2736        snd_pcm_suspend_all(ice->pcm_ds);
2737        snd_ac97_suspend(ice->ac97);
2738
2739        spin_lock_irq(&ice->reg_lock);
2740        ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2741        ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2742        ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2743        ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2744        spin_unlock_irq(&ice->reg_lock);
2745
2746        if (ice->pm_suspend)
2747                ice->pm_suspend(ice);
2748
2749        pci_disable_device(pci);
2750        pci_save_state(pci);
2751        pci_set_power_state(pci, pci_choose_state(pci, state));
2752        return 0;
2753}
2754
2755static int snd_vt1724_resume(struct pci_dev *pci)
2756{
2757        struct snd_card *card = pci_get_drvdata(pci);
2758        struct snd_ice1712 *ice = card->private_data;
2759
2760        if (!ice->pm_suspend_enabled)
2761                return 0;
2762
2763        pci_set_power_state(pci, PCI_D0);
2764        pci_restore_state(pci);
2765
2766        if (pci_enable_device(pci) < 0) {
2767                snd_card_disconnect(card);
2768                return -EIO;
2769        }
2770
2771        pci_set_master(pci);
2772
2773        snd_vt1724_chip_reset(ice);
2774
2775        if (snd_vt1724_chip_init(ice) < 0) {
2776                snd_card_disconnect(card);
2777                return -EIO;
2778        }
2779
2780        if (ice->pm_resume)
2781                ice->pm_resume(ice);
2782
2783        if (ice->pm_saved_is_spdif_master) {
2784                /* switching to external clock via SPDIF */
2785                ice->set_spdif_clock(ice, 0);
2786        } else {
2787                /* internal on-card clock */
2788                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
2789        }
2790
2791        update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2792
2793        outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2794        outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2795
2796        if (ice->ac97)
2797                snd_ac97_resume(ice->ac97);
2798
2799        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2800        return 0;
2801}
2802#endif
2803
2804static struct pci_driver driver = {
2805        .name = "ICE1724",
2806        .id_table = snd_vt1724_ids,
2807        .probe = snd_vt1724_probe,
2808        .remove = __devexit_p(snd_vt1724_remove),
2809#ifdef CONFIG_PM
2810        .suspend = snd_vt1724_suspend,
2811        .resume = snd_vt1724_resume,
2812#endif
2813};
2814
2815static int __init alsa_card_ice1724_init(void)
2816{
2817        return pci_register_driver(&driver);
2818}
2819
2820static void __exit alsa_card_ice1724_exit(void)
2821{
2822        pci_unregister_driver(&driver);
2823}
2824
2825module_init(alsa_card_ice1724_init)
2826module_exit(alsa_card_ice1724_exit)
2827