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 <asm/io.h>
  26#include <linux/delay.h>
  27#include <linux/interrupt.h>
  28#include <linux/init.h>
  29#include <linux/pci.h>
  30#include <linux/slab.h>
  31#include <linux/moduleparam.h>
  32#include <linux/mutex.h>
  33#include <sound/core.h>
  34#include <sound/info.h>
  35#include <sound/rawmidi.h>
  36#include <sound/initval.h>
  37
  38#include <sound/asoundef.h>
  39
  40#include "ice1712.h"
  41#include "envy24ht.h"
  42
  43/* lowlevel routines */
  44#include "amp.h"
  45#include "revo.h"
  46#include "aureon.h"
  47#include "vt1720_mobo.h"
  48#include "pontis.h"
  49#include "prodigy192.h"
  50#include "prodigy_hifi.h"
  51#include "juli.h"
  52#include "phase.h"
  53#include "wtm.h"
  54#include "se.h"
  55
  56MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  57MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
  58MODULE_LICENSE("GPL");
  59MODULE_SUPPORTED_DEVICE("{"
  60               REVO_DEVICE_DESC
  61               AMP_AUDIO2000_DEVICE_DESC
  62               AUREON_DEVICE_DESC
  63               VT1720_MOBO_DEVICE_DESC
  64               PONTIS_DEVICE_DESC
  65               PRODIGY192_DEVICE_DESC
  66               PRODIGY_HIFI_DEVICE_DESC
  67               JULI_DEVICE_DESC
  68               PHASE_DEVICE_DESC
  69               WTM_DEVICE_DESC
  70               SE_DEVICE_DESC
  71                "{VIA,VT1720},"
  72                "{VIA,VT1724},"
  73                "{ICEnsemble,Generic ICE1724},"
  74                "{ICEnsemble,Generic Envy24HT}"
  75                "{ICEnsemble,Generic Envy24PT}}");
  76
  77static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  78static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  79static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;              /* Enable this card */
  80static char *model[SNDRV_CARDS];
  81
  82module_param_array(index, int, NULL, 0444);
  83MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
  84module_param_array(id, charp, NULL, 0444);
  85MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
  86module_param_array(enable, bool, NULL, 0444);
  87MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
  88module_param_array(model, charp, NULL, 0444);
  89MODULE_PARM_DESC(model, "Use the given board model.");
  90
  91
  92/* Both VT1720 and VT1724 have the same PCI IDs */
  93static const struct pci_device_id snd_vt1724_ids[] = {
  94        { PCI_VENDOR_ID_ICE, PCI_DEVICE_ID_VT1724, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
  95        { 0, }
  96};
  97
  98MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
  99
 100
 101static int PRO_RATE_LOCKED;
 102static int PRO_RATE_RESET = 1;
 103static unsigned int PRO_RATE_DEFAULT = 44100;
 104
 105/*
 106 *  Basic I/O
 107 */
 108 
 109/*
 110 *  default rates, default clock routines
 111 */
 112
 113/* check whether the clock mode is spdif-in */
 114static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
 115{
 116        return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
 117}
 118
 119static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
 120{
 121        return ice->is_spdif_master(ice) || PRO_RATE_LOCKED;
 122}
 123
 124/*
 125 * ac97 section
 126 */
 127
 128static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
 129{
 130        unsigned char old_cmd;
 131        int tm;
 132        for (tm = 0; tm < 0x10000; tm++) {
 133                old_cmd = inb(ICEMT1724(ice, AC97_CMD));
 134                if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
 135                        continue;
 136                if (!(old_cmd & VT1724_AC97_READY))
 137                        continue;
 138                return old_cmd;
 139        }
 140        snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
 141        return old_cmd;
 142}
 143
 144static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
 145{
 146        int tm;
 147        for (tm = 0; tm < 0x10000; tm++)
 148                if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
 149                        return 0;
 150        snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
 151        return -EIO;
 152}
 153
 154static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
 155                                  unsigned short reg,
 156                                  unsigned short val)
 157{
 158        struct snd_ice1712 *ice = ac97->private_data;
 159        unsigned char old_cmd;
 160
 161        old_cmd = snd_vt1724_ac97_ready(ice);
 162        old_cmd &= ~VT1724_AC97_ID_MASK;
 163        old_cmd |= ac97->num;
 164        outb(reg, ICEMT1724(ice, AC97_INDEX));
 165        outw(val, ICEMT1724(ice, AC97_DATA));
 166        outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
 167        snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
 168}
 169
 170static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 171{
 172        struct snd_ice1712 *ice = ac97->private_data;
 173        unsigned char old_cmd;
 174
 175        old_cmd = snd_vt1724_ac97_ready(ice);
 176        old_cmd &= ~VT1724_AC97_ID_MASK;
 177        old_cmd |= ac97->num;
 178        outb(reg, ICEMT1724(ice, AC97_INDEX));
 179        outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
 180        if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
 181                return ~0;
 182        return inw(ICEMT1724(ice, AC97_DATA));
 183}
 184
 185
 186/*
 187 * GPIO operations
 188 */
 189
 190/* set gpio direction 0 = read, 1 = write */
 191static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
 192{
 193        outl(data, ICEREG1724(ice, GPIO_DIRECTION));
 194        inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
 195}
 196
 197/* set the gpio mask (0 = writable) */
 198static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
 199{
 200        outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
 201        if (! ice->vt1720) /* VT1720 supports only 16 GPIO bits */
 202                outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
 203        inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
 204}
 205
 206static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
 207{
 208        outw(data, ICEREG1724(ice, GPIO_DATA));
 209        if (! ice->vt1720)
 210                outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
 211        inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
 212}
 213
 214static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
 215{
 216        unsigned int data;
 217        if (! ice->vt1720)
 218                data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
 219        else
 220                data = 0;
 221        data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
 222        return data;
 223}
 224
 225/*
 226 * MIDI
 227 */
 228
 229static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
 230{
 231        unsigned int count;
 232
 233        for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
 234                inb(ICEREG1724(ice, MPU_DATA));
 235}
 236
 237static inline struct snd_rawmidi_substream *
 238get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
 239{
 240        return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
 241                                struct snd_rawmidi_substream, list);
 242}
 243
 244static void vt1724_midi_write(struct snd_ice1712 *ice)
 245{
 246        struct snd_rawmidi_substream *s;
 247        int count, i;
 248        u8 buffer[32];
 249
 250        s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
 251        count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
 252        if (count > 0) {
 253                count = snd_rawmidi_transmit(s, buffer, count);
 254                for (i = 0; i < count; ++i)
 255                        outb(buffer[i], ICEREG1724(ice, MPU_DATA));
 256        }
 257}
 258
 259static void vt1724_midi_read(struct snd_ice1712 *ice)
 260{
 261        struct snd_rawmidi_substream *s;
 262        int count, i;
 263        u8 buffer[32];
 264
 265        s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
 266        count = inb(ICEREG1724(ice, MPU_RXFIFO));
 267        if (count > 0) {
 268                count = min(count, 32);
 269                for (i = 0; i < count; ++i)
 270                        buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
 271                snd_rawmidi_receive(s, buffer, count);
 272        }
 273}
 274
 275static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
 276                                   u8 flag, int enable)
 277{
 278        struct snd_ice1712 *ice = substream->rmidi->private_data;
 279        u8 mask;
 280
 281        spin_lock_irq(&ice->reg_lock);
 282        mask = inb(ICEREG1724(ice, IRQMASK));
 283        if (enable)
 284                mask &= ~flag;
 285        else
 286                mask |= flag;
 287        outb(mask, ICEREG1724(ice, IRQMASK));
 288        spin_unlock_irq(&ice->reg_lock);
 289}
 290
 291static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
 292{
 293        vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 1);
 294        return 0;
 295}
 296
 297static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
 298{
 299        vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
 300        return 0;
 301}
 302
 303static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
 304{
 305        struct snd_ice1712 *ice = s->rmidi->private_data;
 306        unsigned long flags;
 307
 308        spin_lock_irqsave(&ice->reg_lock, flags);
 309        if (up) {
 310                ice->midi_output = 1;
 311                vt1724_midi_write(ice);
 312        } else {
 313                ice->midi_output = 0;
 314        }
 315        spin_unlock_irqrestore(&ice->reg_lock, flags);
 316}
 317
 318static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
 319{
 320        struct snd_ice1712 *ice = s->rmidi->private_data;
 321        unsigned long timeout;
 322
 323        /* 32 bytes should be transmitted in less than about 12 ms */
 324        timeout = jiffies + msecs_to_jiffies(15);
 325        do {
 326                if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
 327                        break;
 328                schedule_timeout_uninterruptible(1);
 329        } while (time_after(timeout, jiffies));
 330}
 331
 332static struct snd_rawmidi_ops vt1724_midi_output_ops = {
 333        .open = vt1724_midi_output_open,
 334        .close = vt1724_midi_output_close,
 335        .trigger = vt1724_midi_output_trigger,
 336        .drain = vt1724_midi_output_drain,
 337};
 338
 339static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
 340{
 341        vt1724_midi_clear_rx(s->rmidi->private_data);
 342        vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
 343        return 0;
 344}
 345
 346static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
 347{
 348        vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
 349        return 0;
 350}
 351
 352static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
 353{
 354        struct snd_ice1712 *ice = s->rmidi->private_data;
 355        unsigned long flags;
 356
 357        spin_lock_irqsave(&ice->reg_lock, flags);
 358        if (up) {
 359                ice->midi_input = 1;
 360                vt1724_midi_read(ice);
 361        } else {
 362                ice->midi_input = 0;
 363        }
 364        spin_unlock_irqrestore(&ice->reg_lock, flags);
 365}
 366
 367static struct snd_rawmidi_ops vt1724_midi_input_ops = {
 368        .open = vt1724_midi_input_open,
 369        .close = vt1724_midi_input_close,
 370        .trigger = vt1724_midi_input_trigger,
 371};
 372
 373
 374/*
 375 *  Interrupt handler
 376 */
 377
 378static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
 379{
 380        struct snd_ice1712 *ice = dev_id;
 381        unsigned char status;
 382        unsigned char status_mask =
 383                VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
 384        int handled = 0;
 385#ifdef CONFIG_SND_DEBUG
 386        int timeout = 0;
 387#endif
 388
 389        while (1) {
 390                status = inb(ICEREG1724(ice, IRQSTAT));
 391                status &= status_mask;
 392                if (status == 0)
 393                        break;
 394#ifdef CONFIG_SND_DEBUG
 395                if (++timeout > 10) {
 396                        printk(KERN_ERR
 397                               "ice1724: Too long irq loop, status = 0x%x\n",
 398                               status);
 399                        break;
 400                }
 401#endif
 402                handled = 1;            
 403                if (status & VT1724_IRQ_MPU_TX) {
 404                        spin_lock(&ice->reg_lock);
 405                        if (ice->midi_output)
 406                                vt1724_midi_write(ice);
 407                        spin_unlock(&ice->reg_lock);
 408                        /* Due to mysterical reasons, MPU_TX is always
 409                         * generated (and can't be cleared) when a PCM
 410                         * playback is going.  So let's ignore at the
 411                         * next loop.
 412                         */
 413                        status_mask &= ~VT1724_IRQ_MPU_TX;
 414                }
 415                if (status & VT1724_IRQ_MPU_RX) {
 416                        spin_lock(&ice->reg_lock);
 417                        if (ice->midi_input)
 418                                vt1724_midi_read(ice);
 419                        else
 420                                vt1724_midi_clear_rx(ice);
 421                        spin_unlock(&ice->reg_lock);
 422                }
 423                /* ack MPU irq */
 424                outb(status, ICEREG1724(ice, IRQSTAT));
 425                if (status & VT1724_IRQ_MTPCM) {
 426                        /*
 427                         * Multi-track PCM
 428                         * PCM assignment are:
 429                         * Playback DMA0 (M/C) = playback_pro_substream
 430                         * Playback DMA1 = playback_con_substream_ds[0]
 431                         * Playback DMA2 = playback_con_substream_ds[1]
 432                         * Playback DMA3 = playback_con_substream_ds[2]
 433                         * Playback DMA4 (SPDIF) = playback_con_substream
 434                         * Record DMA0 = capture_pro_substream
 435                         * Record DMA1 = capture_con_substream
 436                         */
 437                        unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
 438                        if (mtstat & VT1724_MULTI_PDMA0) {
 439                                if (ice->playback_pro_substream)
 440                                        snd_pcm_period_elapsed(ice->playback_pro_substream);
 441                        }
 442                        if (mtstat & VT1724_MULTI_RDMA0) {
 443                                if (ice->capture_pro_substream)
 444                                        snd_pcm_period_elapsed(ice->capture_pro_substream);
 445                        }
 446                        if (mtstat & VT1724_MULTI_PDMA1) {
 447                                if (ice->playback_con_substream_ds[0])
 448                                        snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
 449                        }
 450                        if (mtstat & VT1724_MULTI_PDMA2) {
 451                                if (ice->playback_con_substream_ds[1])
 452                                        snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
 453                        }
 454                        if (mtstat & VT1724_MULTI_PDMA3) {
 455                                if (ice->playback_con_substream_ds[2])
 456                                        snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
 457                        }
 458                        if (mtstat & VT1724_MULTI_PDMA4) {
 459                                if (ice->playback_con_substream)
 460                                        snd_pcm_period_elapsed(ice->playback_con_substream);
 461                        }
 462                        if (mtstat & VT1724_MULTI_RDMA1) {
 463                                if (ice->capture_con_substream)
 464                                        snd_pcm_period_elapsed(ice->capture_con_substream);
 465                        }
 466                        /* ack anyway to avoid freeze */
 467                        outb(mtstat, ICEMT1724(ice, IRQ));
 468                        /* ought to really handle this properly */
 469                        if (mtstat & VT1724_MULTI_FIFO_ERR) {
 470                                unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
 471                                outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));      
 472                                outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));  
 473                                /* If I don't do this, I get machine lockup due to continual interrupts */
 474                        }
 475
 476                }
 477        }
 478        return IRQ_RETVAL(handled);
 479}
 480
 481/*
 482 *  PCM code - professional part (multitrack)
 483 */
 484
 485static unsigned int rates[] = {
 486        8000, 9600, 11025, 12000, 16000, 22050, 24000,
 487        32000, 44100, 48000, 64000, 88200, 96000,
 488        176400, 192000,
 489};
 490
 491static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
 492        .count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
 493        .list = rates,
 494        .mask = 0,
 495};
 496
 497static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
 498        .count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
 499        .list = rates,
 500        .mask = 0,
 501};
 502
 503static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
 504        .count = ARRAY_SIZE(rates),
 505        .list = rates,
 506        .mask = 0,
 507};
 508
 509struct vt1724_pcm_reg {
 510        unsigned int addr;      /* ADDR register offset */
 511        unsigned int size;      /* SIZE register offset */
 512        unsigned int count;     /* COUNT register offset */
 513        unsigned int start;     /* start & pause bit */
 514};
 515
 516static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 517{
 518        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 519        unsigned char what;
 520        unsigned char old;
 521        struct snd_pcm_substream *s;
 522
 523        what = 0;
 524        snd_pcm_group_for_each_entry(s, substream) {
 525                if (snd_pcm_substream_chip(s) == ice) {
 526                        const struct vt1724_pcm_reg *reg;
 527                        reg = s->runtime->private_data;
 528                        what |= reg->start;
 529                        snd_pcm_trigger_done(s, substream);
 530                }
 531        }
 532
 533        switch (cmd) {
 534        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 535        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 536                spin_lock(&ice->reg_lock);
 537                old = inb(ICEMT1724(ice, DMA_PAUSE));
 538                if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 539                        old |= what;
 540                else
 541                        old &= ~what;
 542                outb(old, ICEMT1724(ice, DMA_PAUSE));
 543                spin_unlock(&ice->reg_lock);
 544                break;
 545
 546        case SNDRV_PCM_TRIGGER_START:
 547        case SNDRV_PCM_TRIGGER_STOP:
 548                spin_lock(&ice->reg_lock);
 549                old = inb(ICEMT1724(ice, DMA_CONTROL));
 550                if (cmd == SNDRV_PCM_TRIGGER_START)
 551                        old |= what;
 552                else
 553                        old &= ~what;
 554                outb(old, ICEMT1724(ice, DMA_CONTROL));
 555                spin_unlock(&ice->reg_lock);
 556                break;
 557
 558        default:
 559                return -EINVAL;
 560        }
 561        return 0;
 562}
 563
 564/*
 565 */
 566
 567#define DMA_STARTS      (VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
 568        VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
 569#define DMA_PAUSES      (VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
 570        VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
 571
 572static const unsigned int stdclock_rate_list[16] = {
 573        48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
 574        22050, 11025, 88200, 176400, 0, 192000, 64000
 575};
 576
 577static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
 578{
 579        unsigned int rate;
 580        rate = stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
 581        return rate;
 582}
 583
 584static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
 585{
 586        int i;
 587        for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
 588                if (stdclock_rate_list[i] == rate) {
 589                        outb(i, ICEMT1724(ice, RATE));
 590                        return;
 591                }
 592        }
 593}
 594
 595static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
 596                                       unsigned int rate)
 597{
 598        unsigned char val, old;
 599        /* check MT02 */
 600        if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
 601                val = old = inb(ICEMT1724(ice, I2S_FORMAT));
 602                if (rate > 96000)
 603                        val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
 604                else
 605                        val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
 606                if (val != old) {
 607                        outb(val, ICEMT1724(ice, I2S_FORMAT));
 608                        /* master clock changed */
 609                        return 1;
 610                }
 611        }
 612        /* no change in master clock */
 613        return 0;
 614}
 615
 616static void snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
 617                                    int force)
 618{
 619        unsigned long flags;
 620        unsigned char mclk_change;
 621        unsigned int i, old_rate;
 622
 623        if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
 624                return;
 625        spin_lock_irqsave(&ice->reg_lock, flags);
 626        if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
 627            (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
 628                /* running? we cannot change the rate now... */
 629                spin_unlock_irqrestore(&ice->reg_lock, flags);
 630                return;
 631        }
 632        if (!force && is_pro_rate_locked(ice)) {
 633                spin_unlock_irqrestore(&ice->reg_lock, flags);
 634                return;
 635        }
 636
 637        old_rate = ice->get_rate(ice);
 638        if (force || (old_rate != rate))
 639                ice->set_rate(ice, rate);
 640        else if (rate == ice->cur_rate) {
 641                spin_unlock_irqrestore(&ice->reg_lock, flags);
 642                return;
 643        }
 644
 645        ice->cur_rate = rate;
 646
 647        /* setting master clock */
 648        mclk_change = ice->set_mclk(ice, rate);
 649
 650        spin_unlock_irqrestore(&ice->reg_lock, flags);
 651
 652        if (mclk_change && ice->gpio.i2s_mclk_changed)
 653                ice->gpio.i2s_mclk_changed(ice);
 654        if (ice->gpio.set_pro_rate)
 655                ice->gpio.set_pro_rate(ice, rate);
 656
 657        /* set up codecs */
 658        for (i = 0; i < ice->akm_codecs; i++) {
 659                if (ice->akm[i].ops.set_rate_val)
 660                        ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
 661        }
 662        if (ice->spdif.ops.setup_rate)
 663                ice->spdif.ops.setup_rate(ice, rate);
 664}
 665
 666static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
 667                                    struct snd_pcm_hw_params *hw_params)
 668{
 669        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 670        int i, chs;
 671
 672        chs = params_channels(hw_params);
 673        mutex_lock(&ice->open_mutex);
 674        /* mark surround channels */
 675        if (substream == ice->playback_pro_substream) {
 676                /* PDMA0 can be multi-channel up to 8 */
 677                chs = chs / 2 - 1;
 678                for (i = 0; i < chs; i++) {
 679                        if (ice->pcm_reserved[i] &&
 680                            ice->pcm_reserved[i] != substream) {
 681                                mutex_unlock(&ice->open_mutex);
 682                                return -EBUSY;
 683                        }
 684                        ice->pcm_reserved[i] = substream;
 685                }
 686                for (; i < 3; i++) {
 687                        if (ice->pcm_reserved[i] == substream)
 688                                ice->pcm_reserved[i] = NULL;
 689                }
 690        } else {
 691                for (i = 0; i < 3; i++) {
 692                        /* check individual playback stream */
 693                        if (ice->playback_con_substream_ds[i] == substream) {
 694                                if (ice->pcm_reserved[i] &&
 695                                    ice->pcm_reserved[i] != substream) {
 696                                        mutex_unlock(&ice->open_mutex);
 697                                        return -EBUSY;
 698                                }
 699                                ice->pcm_reserved[i] = substream;
 700                                break;
 701                        }
 702                }
 703        }
 704        mutex_unlock(&ice->open_mutex);
 705        snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
 706        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 707}
 708
 709static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
 710{
 711        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 712        int i;
 713
 714        mutex_lock(&ice->open_mutex);
 715        /* unmark surround channels */
 716        for (i = 0; i < 3; i++)
 717                if (ice->pcm_reserved[i] == substream)
 718                        ice->pcm_reserved[i] = NULL;
 719        mutex_unlock(&ice->open_mutex);
 720        return snd_pcm_lib_free_pages(substream);
 721}
 722
 723static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
 724{
 725        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 726        unsigned char val;
 727        unsigned int size;
 728
 729        spin_lock_irq(&ice->reg_lock);
 730        val = (8 - substream->runtime->channels) >> 1;
 731        outb(val, ICEMT1724(ice, BURST));
 732
 733        outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
 734
 735        size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
 736        // outl(size, ICEMT1724(ice, PLAYBACK_SIZE));
 737        outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
 738        outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
 739        size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
 740        // outl(size, ICEMT1724(ice, PLAYBACK_COUNT));
 741        outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
 742        outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
 743
 744        spin_unlock_irq(&ice->reg_lock);
 745
 746        // printk("pro prepare: ch = %d, addr = 0x%x, buffer = 0x%x, period = 0x%x\n", substream->runtime->channels, (unsigned int)substream->runtime->dma_addr, snd_pcm_lib_buffer_bytes(substream), snd_pcm_lib_period_bytes(substream));
 747        return 0;
 748}
 749
 750static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
 751{
 752        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 753        size_t ptr;
 754
 755        if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
 756                return 0;
 757#if 0 /* read PLAYBACK_ADDR */
 758        ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
 759        if (ptr < substream->runtime->dma_addr) {
 760                snd_printd("ice1724: invalid negative ptr\n");
 761                return 0;
 762        }
 763        ptr -= substream->runtime->dma_addr;
 764        ptr = bytes_to_frames(substream->runtime, ptr);
 765        if (ptr >= substream->runtime->buffer_size) {
 766                snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 767                           (int)ptr, (int)substream->runtime->period_size);
 768                return 0;
 769        }
 770#else /* read PLAYBACK_SIZE */
 771        ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
 772        ptr = (ptr + 1) << 2;
 773        ptr = bytes_to_frames(substream->runtime, ptr);
 774        if (! ptr)
 775                ;
 776        else if (ptr <= substream->runtime->buffer_size)
 777                ptr = substream->runtime->buffer_size - ptr;
 778        else {
 779                snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 780                           (int)ptr, (int)substream->runtime->buffer_size);
 781                ptr = 0;
 782        }
 783#endif
 784        return ptr;
 785}
 786
 787static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
 788{
 789        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 790        const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
 791
 792        spin_lock_irq(&ice->reg_lock);
 793        outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
 794        outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
 795             ice->profi_port + reg->size);
 796        outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
 797             ice->profi_port + reg->count);
 798        spin_unlock_irq(&ice->reg_lock);
 799        return 0;
 800}
 801
 802static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
 803{
 804        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 805        const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
 806        size_t ptr;
 807
 808        if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
 809                return 0;
 810#if 0 /* use ADDR register */
 811        ptr = inl(ice->profi_port + reg->addr);
 812        ptr -= substream->runtime->dma_addr;
 813        return bytes_to_frames(substream->runtime, ptr);
 814#else /* use SIZE register */
 815        ptr = inw(ice->profi_port + reg->size);
 816        ptr = (ptr + 1) << 2;
 817        ptr = bytes_to_frames(substream->runtime, ptr);
 818        if (! ptr)
 819                ;
 820        else if (ptr <= substream->runtime->buffer_size)
 821                ptr = substream->runtime->buffer_size - ptr;
 822        else {
 823                snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 824                           (int)ptr, (int)substream->runtime->buffer_size);
 825                ptr = 0;
 826        }
 827        return ptr;
 828#endif
 829}
 830
 831static const struct vt1724_pcm_reg vt1724_playback_pro_reg = {
 832        .addr = VT1724_MT_PLAYBACK_ADDR,
 833        .size = VT1724_MT_PLAYBACK_SIZE,
 834        .count = VT1724_MT_PLAYBACK_COUNT,
 835        .start = VT1724_PDMA0_START,
 836};
 837
 838static const struct vt1724_pcm_reg vt1724_capture_pro_reg = {
 839        .addr = VT1724_MT_CAPTURE_ADDR,
 840        .size = VT1724_MT_CAPTURE_SIZE,
 841        .count = VT1724_MT_CAPTURE_COUNT,
 842        .start = VT1724_RDMA0_START,
 843};
 844
 845static const struct snd_pcm_hardware snd_vt1724_playback_pro =
 846{
 847        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 848                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 849                                 SNDRV_PCM_INFO_MMAP_VALID |
 850                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 851        .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 852        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
 853        .rate_min =             8000,
 854        .rate_max =             192000,
 855        .channels_min =         2,
 856        .channels_max =         8,
 857        .buffer_bytes_max =     (1UL << 21),    /* 19bits dword */
 858        .period_bytes_min =     8 * 4 * 2,      /* FIXME: constraints needed */
 859        .period_bytes_max =     (1UL << 21),
 860        .periods_min =          2,
 861        .periods_max =          1024,
 862};
 863
 864static const struct snd_pcm_hardware snd_vt1724_spdif =
 865{
 866        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 867                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 868                                 SNDRV_PCM_INFO_MMAP_VALID |
 869                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 870        .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 871        .rates =                (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
 872                                 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
 873                                 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
 874                                 SNDRV_PCM_RATE_192000),
 875        .rate_min =             32000,
 876        .rate_max =             192000,
 877        .channels_min =         2,
 878        .channels_max =         2,
 879        .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
 880        .period_bytes_min =     2 * 4 * 2,
 881        .period_bytes_max =     (1UL << 18),
 882        .periods_min =          2,
 883        .periods_max =          1024,
 884};
 885
 886static const struct snd_pcm_hardware snd_vt1724_2ch_stereo =
 887{
 888        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 889                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 890                                 SNDRV_PCM_INFO_MMAP_VALID |
 891                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 892        .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 893        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
 894        .rate_min =             8000,
 895        .rate_max =             192000,
 896        .channels_min =         2,
 897        .channels_max =         2,
 898        .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
 899        .period_bytes_min =     2 * 4 * 2,
 900        .period_bytes_max =     (1UL << 18),
 901        .periods_min =          2,
 902        .periods_max =          1024,
 903};
 904
 905/*
 906 * set rate constraints
 907 */
 908static void set_std_hw_rates(struct snd_ice1712 *ice)
 909{
 910        if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
 911                /* I2S */
 912                /* VT1720 doesn't support more than 96kHz */
 913                if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
 914                        ice->hw_rates = &hw_constraints_rates_192;
 915                else
 916                        ice->hw_rates = &hw_constraints_rates_96;
 917        } else {
 918                /* ACLINK */
 919                ice->hw_rates = &hw_constraints_rates_48;
 920        }
 921}
 922
 923static int set_rate_constraints(struct snd_ice1712 *ice,
 924                                struct snd_pcm_substream *substream)
 925{
 926        struct snd_pcm_runtime *runtime = substream->runtime;
 927
 928        runtime->hw.rate_min = ice->hw_rates->list[0];
 929        runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
 930        runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
 931        return snd_pcm_hw_constraint_list(runtime, 0,
 932                                          SNDRV_PCM_HW_PARAM_RATE,
 933                                          ice->hw_rates);
 934}
 935
 936/* multi-channel playback needs alignment 8x32bit regardless of the channels
 937 * actually used
 938 */
 939#define VT1724_BUFFER_ALIGN     0x20
 940
 941static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
 942{
 943        struct snd_pcm_runtime *runtime = substream->runtime;
 944        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 945        int chs;
 946
 947        runtime->private_data = (void *)&vt1724_playback_pro_reg;
 948        ice->playback_pro_substream = substream;
 949        runtime->hw = snd_vt1724_playback_pro;
 950        snd_pcm_set_sync(substream);
 951        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 952        set_rate_constraints(ice, substream);
 953        mutex_lock(&ice->open_mutex);
 954        /* calculate the currently available channels */
 955        for (chs = 0; chs < 3; chs++) {
 956                if (ice->pcm_reserved[chs])
 957                        break;
 958        }
 959        chs = (chs + 1) * 2;
 960        runtime->hw.channels_max = chs;
 961        if (chs > 2) /* channels must be even */
 962                snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 963        mutex_unlock(&ice->open_mutex);
 964        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
 965                                   VT1724_BUFFER_ALIGN);
 966        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
 967                                   VT1724_BUFFER_ALIGN);
 968        return 0;
 969}
 970
 971static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
 972{
 973        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 974        struct snd_pcm_runtime *runtime = substream->runtime;
 975
 976        runtime->private_data = (void *)&vt1724_capture_pro_reg;
 977        ice->capture_pro_substream = substream;
 978        runtime->hw = snd_vt1724_2ch_stereo;
 979        snd_pcm_set_sync(substream);
 980        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 981        set_rate_constraints(ice, substream);
 982        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
 983                                   VT1724_BUFFER_ALIGN);
 984        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
 985                                   VT1724_BUFFER_ALIGN);
 986        return 0;
 987}
 988
 989static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
 990{
 991        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 992
 993        if (PRO_RATE_RESET)
 994                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
 995        ice->playback_pro_substream = NULL;
 996
 997        return 0;
 998}
 999
1000static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1001{
1002        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1003
1004        if (PRO_RATE_RESET)
1005                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1006        ice->capture_pro_substream = NULL;
1007        return 0;
1008}
1009
1010static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1011        .open =         snd_vt1724_playback_pro_open,
1012        .close =        snd_vt1724_playback_pro_close,
1013        .ioctl =        snd_pcm_lib_ioctl,
1014        .hw_params =    snd_vt1724_pcm_hw_params,
1015        .hw_free =      snd_vt1724_pcm_hw_free,
1016        .prepare =      snd_vt1724_playback_pro_prepare,
1017        .trigger =      snd_vt1724_pcm_trigger,
1018        .pointer =      snd_vt1724_playback_pro_pointer,
1019};
1020
1021static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1022        .open =         snd_vt1724_capture_pro_open,
1023        .close =        snd_vt1724_capture_pro_close,
1024        .ioctl =        snd_pcm_lib_ioctl,
1025        .hw_params =    snd_vt1724_pcm_hw_params,
1026        .hw_free =      snd_vt1724_pcm_hw_free,
1027        .prepare =      snd_vt1724_pcm_prepare,
1028        .trigger =      snd_vt1724_pcm_trigger,
1029        .pointer =      snd_vt1724_pcm_pointer,
1030};
1031
1032static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 * ice, int device)
1033{
1034        struct snd_pcm *pcm;
1035        int err;
1036
1037        err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
1038        if (err < 0)
1039                return err;
1040
1041        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1042        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_vt1724_capture_pro_ops);
1043
1044        pcm->private_data = ice;
1045        pcm->info_flags = 0;
1046        strcpy(pcm->name, "ICE1724");
1047
1048        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1049                                              snd_dma_pci_data(ice->pci),
1050                                              256*1024, 256*1024);
1051
1052        ice->pcm_pro = pcm;
1053
1054        return 0;
1055}
1056
1057
1058/*
1059 * SPDIF PCM
1060 */
1061
1062static const struct vt1724_pcm_reg vt1724_playback_spdif_reg = {
1063        .addr = VT1724_MT_PDMA4_ADDR,
1064        .size = VT1724_MT_PDMA4_SIZE,
1065        .count = VT1724_MT_PDMA4_COUNT,
1066        .start = VT1724_PDMA4_START,
1067};
1068
1069static const struct vt1724_pcm_reg vt1724_capture_spdif_reg = {
1070        .addr = VT1724_MT_RDMA1_ADDR,
1071        .size = VT1724_MT_RDMA1_SIZE,
1072        .count = VT1724_MT_RDMA1_COUNT,
1073        .start = VT1724_RDMA1_START,
1074};
1075
1076/* update spdif control bits; call with reg_lock */
1077static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1078{
1079        unsigned char cbit, disabled;
1080
1081        cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1082        disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1083        if (cbit != disabled)
1084                outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1085        outw(val, ICEMT1724(ice, SPDIF_CTRL));
1086        if (cbit != disabled)
1087                outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1088        outw(val, ICEMT1724(ice, SPDIF_CTRL));
1089}
1090
1091/* update SPDIF control bits according to the given rate */
1092static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1093{
1094        unsigned int val, nval;
1095        unsigned long flags;
1096
1097        spin_lock_irqsave(&ice->reg_lock, flags);
1098        nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1099        nval &= ~(7 << 12);
1100        switch (rate) {
1101        case 44100: break;
1102        case 48000: nval |= 2 << 12; break;
1103        case 32000: nval |= 3 << 12; break;
1104        case 88200: nval |= 4 << 12; break;
1105        case 96000: nval |= 5 << 12; break;
1106        case 192000: nval |= 6 << 12; break;
1107        case 176400: nval |= 7 << 12; break;
1108        }
1109        if (val != nval)
1110                update_spdif_bits(ice, nval);
1111        spin_unlock_irqrestore(&ice->reg_lock, flags);
1112}
1113
1114static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1115{
1116        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1117        if (! ice->force_pdma4)
1118                update_spdif_rate(ice, substream->runtime->rate);
1119        return snd_vt1724_pcm_prepare(substream);
1120}
1121
1122static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1123{
1124        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1125        struct snd_pcm_runtime *runtime = substream->runtime;
1126
1127        runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1128        ice->playback_con_substream = substream;
1129        if (ice->force_pdma4) {
1130                runtime->hw = snd_vt1724_2ch_stereo;
1131                set_rate_constraints(ice, substream);
1132        } else
1133                runtime->hw = snd_vt1724_spdif;
1134        snd_pcm_set_sync(substream);
1135        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1136        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1137                                   VT1724_BUFFER_ALIGN);
1138        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1139                                   VT1724_BUFFER_ALIGN);
1140        if (ice->spdif.ops.open)
1141                ice->spdif.ops.open(ice, substream);
1142        return 0;
1143}
1144
1145static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1146{
1147        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1148
1149        if (PRO_RATE_RESET)
1150                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1151        ice->playback_con_substream = NULL;
1152        if (ice->spdif.ops.close)
1153                ice->spdif.ops.close(ice, substream);
1154
1155        return 0;
1156}
1157
1158static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1159{
1160        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1161        struct snd_pcm_runtime *runtime = substream->runtime;
1162
1163        runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1164        ice->capture_con_substream = substream;
1165        if (ice->force_rdma1) {
1166                runtime->hw = snd_vt1724_2ch_stereo;
1167                set_rate_constraints(ice, substream);
1168        } else
1169                runtime->hw = snd_vt1724_spdif;
1170        snd_pcm_set_sync(substream);
1171        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1172        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1173                                   VT1724_BUFFER_ALIGN);
1174        snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1175                                   VT1724_BUFFER_ALIGN);
1176        if (ice->spdif.ops.open)
1177                ice->spdif.ops.open(ice, substream);
1178        return 0;
1179}
1180
1181static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1182{
1183        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1184
1185        if (PRO_RATE_RESET)
1186                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1187        ice->capture_con_substream = NULL;
1188        if (ice->spdif.ops.close)
1189                ice->spdif.ops.close(ice, substream);
1190
1191        return 0;
1192}
1193
1194static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1195        .open =         snd_vt1724_playback_spdif_open,
1196        .close =        snd_vt1724_playback_spdif_close,
1197        .ioctl =        snd_pcm_lib_ioctl,
1198        .hw_params =    snd_vt1724_pcm_hw_params,
1199        .hw_free =      snd_vt1724_pcm_hw_free,
1200        .prepare =      snd_vt1724_playback_spdif_prepare,
1201        .trigger =      snd_vt1724_pcm_trigger,
1202        .pointer =      snd_vt1724_pcm_pointer,
1203};
1204
1205static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1206        .open =         snd_vt1724_capture_spdif_open,
1207        .close =        snd_vt1724_capture_spdif_close,
1208        .ioctl =        snd_pcm_lib_ioctl,
1209        .hw_params =    snd_vt1724_pcm_hw_params,
1210        .hw_free =      snd_vt1724_pcm_hw_free,
1211        .prepare =      snd_vt1724_pcm_prepare,
1212        .trigger =      snd_vt1724_pcm_trigger,
1213        .pointer =      snd_vt1724_pcm_pointer,
1214};
1215
1216
1217static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 * ice, int device)
1218{
1219        char *name;
1220        struct snd_pcm *pcm;
1221        int play, capt;
1222        int err;
1223
1224        if (ice->force_pdma4 ||
1225            (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1226                play = 1;
1227                ice->has_spdif = 1;
1228        } else
1229                play = 0;
1230        if (ice->force_rdma1 ||
1231            (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1232                capt = 1;
1233                ice->has_spdif = 1;
1234        } else
1235                capt = 0;
1236        if (! play && ! capt)
1237                return 0; /* no spdif device */
1238
1239        if (ice->force_pdma4 || ice->force_rdma1)
1240                name = "ICE1724 Secondary";
1241        else
1242                name = "IEC1724 IEC958";
1243        err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1244        if (err < 0)
1245                return err;
1246
1247        if (play)
1248                snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1249                                &snd_vt1724_playback_spdif_ops);
1250        if (capt)
1251                snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1252                                &snd_vt1724_capture_spdif_ops);
1253
1254        pcm->private_data = ice;
1255        pcm->info_flags = 0;
1256        strcpy(pcm->name, name);
1257
1258        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1259                                              snd_dma_pci_data(ice->pci),
1260                                              64*1024, 64*1024);
1261
1262        ice->pcm = pcm;
1263
1264        return 0;
1265}
1266
1267
1268/*
1269 * independent surround PCMs
1270 */
1271
1272static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1273        {
1274                .addr = VT1724_MT_PDMA1_ADDR,
1275                .size = VT1724_MT_PDMA1_SIZE,
1276                .count = VT1724_MT_PDMA1_COUNT,
1277                .start = VT1724_PDMA1_START,
1278        },
1279        {
1280                .addr = VT1724_MT_PDMA2_ADDR,
1281                .size = VT1724_MT_PDMA2_SIZE,
1282                .count = VT1724_MT_PDMA2_COUNT,
1283                .start = VT1724_PDMA2_START,
1284        },
1285        {
1286                .addr = VT1724_MT_PDMA3_ADDR,
1287                .size = VT1724_MT_PDMA3_SIZE,
1288                .count = VT1724_MT_PDMA3_COUNT,
1289                .start = VT1724_PDMA3_START,
1290        },
1291};
1292
1293static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1294{
1295        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1296        unsigned char val;
1297
1298        spin_lock_irq(&ice->reg_lock);
1299        val = 3 - substream->number;
1300        if (inb(ICEMT1724(ice, BURST)) < val)
1301                outb(val, ICEMT1724(ice, BURST));
1302        spin_unlock_irq(&ice->reg_lock);
1303        return snd_vt1724_pcm_prepare(substream);
1304}
1305
1306static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1307{
1308        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1309        struct snd_pcm_runtime *runtime = substream->runtime;
1310
1311        mutex_lock(&ice->open_mutex);
1312        /* already used by PDMA0? */
1313        if (ice->pcm_reserved[substream->number]) {
1314                mutex_unlock(&ice->open_mutex);
1315                return -EBUSY; /* FIXME: should handle blocking mode properly */
1316        }
1317        mutex_unlock(&ice->open_mutex);
1318        runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1319        ice->playback_con_substream_ds[substream->number] = substream;
1320        runtime->hw = snd_vt1724_2ch_stereo;
1321        snd_pcm_set_sync(substream);
1322        snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1323        set_rate_constraints(ice, substream);
1324        return 0;
1325}
1326
1327static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1328{
1329        struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1330
1331        if (PRO_RATE_RESET)
1332                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1333        ice->playback_con_substream_ds[substream->number] = NULL;
1334        ice->pcm_reserved[substream->number] = NULL;
1335
1336        return 0;
1337}
1338
1339static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1340        .open =         snd_vt1724_playback_indep_open,
1341        .close =        snd_vt1724_playback_indep_close,
1342        .ioctl =        snd_pcm_lib_ioctl,
1343        .hw_params =    snd_vt1724_pcm_hw_params,
1344        .hw_free =      snd_vt1724_pcm_hw_free,
1345        .prepare =      snd_vt1724_playback_indep_prepare,
1346        .trigger =      snd_vt1724_pcm_trigger,
1347        .pointer =      snd_vt1724_pcm_pointer,
1348};
1349
1350
1351static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 * ice, int device)
1352{
1353        struct snd_pcm *pcm;
1354        int play;
1355        int err;
1356
1357        play = ice->num_total_dacs / 2 - 1;
1358        if (play <= 0)
1359                return 0;
1360
1361        err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1362        if (err < 0)
1363                return err;
1364
1365        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1366                        &snd_vt1724_playback_indep_ops);
1367
1368        pcm->private_data = ice;
1369        pcm->info_flags = 0;
1370        strcpy(pcm->name, "ICE1724 Surround PCM");
1371
1372        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1373                                              snd_dma_pci_data(ice->pci),
1374                                              64*1024, 64*1024);
1375
1376        ice->pcm_ds = pcm;
1377
1378        return 0;
1379}
1380
1381
1382/*
1383 *  Mixer section
1384 */
1385
1386static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 * ice)
1387{
1388        int err;
1389
1390        if (! (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1391                struct snd_ac97_bus *pbus;
1392                struct snd_ac97_template ac97;
1393                static struct snd_ac97_bus_ops ops = {
1394                        .write = snd_vt1724_ac97_write,
1395                        .read = snd_vt1724_ac97_read,
1396                };
1397
1398                /* cold reset */
1399                outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1400                mdelay(5); /* FIXME */
1401                outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1402
1403                if ((err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus)) < 0)
1404                        return err;
1405                memset(&ac97, 0, sizeof(ac97));
1406                ac97.private_data = ice;
1407                if ((err = snd_ac97_mixer(pbus, &ac97, &ice->ac97)) < 0)
1408                        printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1409                else
1410                        return 0;
1411        }
1412        /* I2S mixer only */
1413        strcat(ice->card->mixername, "ICE1724 - multitrack");
1414        return 0;
1415}
1416
1417/*
1418 *
1419 */
1420
1421static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1422{
1423        return (unsigned int)ice->eeprom.data[idx] | \
1424                ((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1425                ((unsigned int)ice->eeprom.data[idx + 2] << 16);
1426}
1427
1428static void snd_vt1724_proc_read(struct snd_info_entry *entry, 
1429                                 struct snd_info_buffer *buffer)
1430{
1431        struct snd_ice1712 *ice = entry->private_data;
1432        unsigned int idx;
1433
1434        snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1435        snd_iprintf(buffer, "EEPROM:\n");
1436
1437        snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1438        snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1439        snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1440        snd_iprintf(buffer, "  System Config    : 0x%x\n",
1441                    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1442        snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1443                    ice->eeprom.data[ICE_EEP2_ACLINK]);
1444        snd_iprintf(buffer, "  I2S              : 0x%x\n",
1445                    ice->eeprom.data[ICE_EEP2_I2S]);
1446        snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1447                    ice->eeprom.data[ICE_EEP2_SPDIF]);
1448        snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1449                    ice->eeprom.gpiodir);
1450        snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1451                    ice->eeprom.gpiomask);
1452        snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1453                    ice->eeprom.gpiostate);
1454        for (idx = 0x12; idx < ice->eeprom.size; idx++)
1455                snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1456                            idx, ice->eeprom.data[idx]);
1457
1458        snd_iprintf(buffer, "\nRegisters:\n");
1459
1460        snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1461                    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1462        for (idx = 0x0; idx < 0x20 ; idx++)
1463                snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1464                            idx, inb(ice->port+idx));
1465        for (idx = 0x0; idx < 0x30 ; idx++)
1466                snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1467                            idx, inb(ice->profi_port+idx));
1468}
1469
1470static void __devinit snd_vt1724_proc_init(struct snd_ice1712 * ice)
1471{
1472        struct snd_info_entry *entry;
1473
1474        if (! snd_card_proc_new(ice->card, "ice1724", &entry))
1475                snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1476}
1477
1478/*
1479 *
1480 */
1481
1482static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1483                                  struct snd_ctl_elem_info *uinfo)
1484{
1485        uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1486        uinfo->count = sizeof(struct snd_ice1712_eeprom);
1487        return 0;
1488}
1489
1490static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1491                                 struct snd_ctl_elem_value *ucontrol)
1492{
1493        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1494        
1495        memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1496        return 0;
1497}
1498
1499static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1500        .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1501        .name = "ICE1724 EEPROM",
1502        .access = SNDRV_CTL_ELEM_ACCESS_READ,
1503        .info = snd_vt1724_eeprom_info,
1504        .get = snd_vt1724_eeprom_get
1505};
1506
1507/*
1508 */
1509static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1510                                 struct snd_ctl_elem_info *uinfo)
1511{
1512        uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1513        uinfo->count = 1;
1514        return 0;
1515}
1516
1517static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1518{
1519        unsigned int val, rbits;
1520
1521        val = diga->status[0] & 0x03; /* professional, non-audio */
1522        if (val & 0x01) {
1523                /* professional */
1524                if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1525                    IEC958_AES0_PRO_EMPHASIS_5015)
1526                        val |= 1U << 3;
1527                rbits = (diga->status[4] >> 3) & 0x0f;
1528                if (rbits) {
1529                        switch (rbits) {
1530                        case 2: val |= 5 << 12; break; /* 96k */
1531                        case 3: val |= 6 << 12; break; /* 192k */
1532                        case 10: val |= 4 << 12; break; /* 88.2k */
1533                        case 11: val |= 7 << 12; break; /* 176.4k */
1534                        }
1535                } else {
1536                        switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1537                        case IEC958_AES0_PRO_FS_44100:
1538                                break;
1539                        case IEC958_AES0_PRO_FS_32000:
1540                                val |= 3U << 12;
1541                                break;
1542                        default:
1543                                val |= 2U << 12;
1544                                break;
1545                        }
1546                }
1547        } else {
1548                /* consumer */
1549                val |= diga->status[1] & 0x04; /* copyright */
1550                if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1551                    IEC958_AES0_CON_EMPHASIS_5015)
1552                        val |= 1U << 3;
1553                val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1554                val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1555        }
1556        return val;
1557}
1558
1559static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1560{
1561        memset(diga->status, 0, sizeof(diga->status));
1562        diga->status[0] = val & 0x03; /* professional, non-audio */
1563        if (val & 0x01) {
1564                /* professional */
1565                if (val & (1U << 3))
1566                        diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1567                switch ((val >> 12) & 0x7) {
1568                case 0:
1569                        break;
1570                case 2:
1571                        diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1572                        break;
1573                default:
1574                        diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1575                        break;
1576                }
1577        } else {
1578                /* consumer */
1579                diga->status[0] |= val & (1U << 2); /* copyright */
1580                if (val & (1U << 3))
1581                        diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1582                diga->status[1] |= (val >> 4) & 0x3f; /* category */
1583                diga->status[3] |= (val >> 12) & 0x07; /* fs */
1584        }
1585}
1586
1587static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1588                                        struct snd_ctl_elem_value *ucontrol)
1589{
1590        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1591        unsigned int val;
1592        val = inw(ICEMT1724(ice, SPDIF_CTRL));
1593        decode_spdif_bits(&ucontrol->value.iec958, val);
1594        return 0;
1595}
1596
1597static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1598                                         struct snd_ctl_elem_value *ucontrol)
1599{
1600        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1601        unsigned int val, old;
1602
1603        val = encode_spdif_bits(&ucontrol->value.iec958);
1604        spin_lock_irq(&ice->reg_lock);
1605        old = inw(ICEMT1724(ice, SPDIF_CTRL));
1606        if (val != old)
1607                update_spdif_bits(ice, val);
1608        spin_unlock_irq(&ice->reg_lock);
1609        return (val != old);
1610}
1611
1612static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1613{
1614        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1615        .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1616        .info =         snd_vt1724_spdif_info,
1617        .get =          snd_vt1724_spdif_default_get,
1618        .put =          snd_vt1724_spdif_default_put
1619};
1620
1621static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1622                                       struct snd_ctl_elem_value *ucontrol)
1623{
1624        ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1625                                                     IEC958_AES0_PROFESSIONAL |
1626                                                     IEC958_AES0_CON_NOT_COPYRIGHT |
1627                                                     IEC958_AES0_CON_EMPHASIS;
1628        ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1629                                                     IEC958_AES1_CON_CATEGORY;
1630        ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1631        return 0;
1632}
1633
1634static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1635                                       struct snd_ctl_elem_value *ucontrol)
1636{
1637        ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1638                                                     IEC958_AES0_PROFESSIONAL |
1639                                                     IEC958_AES0_PRO_FS |
1640                                                     IEC958_AES0_PRO_EMPHASIS;
1641        return 0;
1642}
1643
1644static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1645{
1646        .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1647        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1648        .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1649        .info =         snd_vt1724_spdif_info,
1650        .get =          snd_vt1724_spdif_maskc_get,
1651};
1652
1653static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1654{
1655        .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1656        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1657        .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1658        .info =         snd_vt1724_spdif_info,
1659        .get =          snd_vt1724_spdif_maskp_get,
1660};
1661
1662#define snd_vt1724_spdif_sw_info                snd_ctl_boolean_mono_info
1663
1664static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1665                                   struct snd_ctl_elem_value *ucontrol)
1666{
1667        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1668        ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1669                VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1670        return 0;
1671}
1672
1673static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1674                                   struct snd_ctl_elem_value *ucontrol)
1675{
1676        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1677        unsigned char old, val;
1678
1679        spin_lock_irq(&ice->reg_lock);
1680        old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1681        val &= ~VT1724_CFG_SPDIF_OUT_EN;
1682        if (ucontrol->value.integer.value[0])
1683                val |= VT1724_CFG_SPDIF_OUT_EN;
1684        if (old != val)
1685                outb(val, ICEREG1724(ice, SPDIF_CFG));
1686        spin_unlock_irq(&ice->reg_lock);
1687        return old != val;
1688}
1689
1690static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1691{
1692        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1693        /* FIXME: the following conflict with IEC958 Playback Route */
1694        // .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1695        .name =         SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH),
1696        .info =         snd_vt1724_spdif_sw_info,
1697        .get =          snd_vt1724_spdif_sw_get,
1698        .put =          snd_vt1724_spdif_sw_put
1699};
1700
1701
1702#if 0 /* NOT USED YET */
1703/*
1704 * GPIO access from extern
1705 */
1706
1707#define snd_vt1724_gpio_info            snd_ctl_boolean_mono_info
1708
1709int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1710                        struct snd_ctl_elem_value *ucontrol)
1711{
1712        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1713        int shift = kcontrol->private_value & 0xff;
1714        int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1715        
1716        snd_ice1712_save_gpio_status(ice);
1717        ucontrol->value.integer.value[0] =
1718                (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1719        snd_ice1712_restore_gpio_status(ice);
1720        return 0;
1721}
1722
1723int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1724                         struct snd_ctl_elem_value *ucontrol)
1725{
1726        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1727        int shift = kcontrol->private_value & 0xff;
1728        int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1729        unsigned int val, nval;
1730
1731        if (kcontrol->private_value & (1 << 31))
1732                return -EPERM;
1733        nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1734        snd_ice1712_save_gpio_status(ice);
1735        val = snd_ice1712_gpio_read(ice);
1736        nval |= val & ~(1 << shift);
1737        if (val != nval)
1738                snd_ice1712_gpio_write(ice, nval);
1739        snd_ice1712_restore_gpio_status(ice);
1740        return val != nval;
1741}
1742#endif /* NOT USED YET */
1743
1744/*
1745 *  rate
1746 */
1747static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1748                                              struct snd_ctl_elem_info *uinfo)
1749{
1750        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1751
1752        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1753        uinfo->count = 1;
1754        uinfo->value.enumerated.items = ice->hw_rates->count + 1;
1755        if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1756                uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1757        if (uinfo->value.enumerated.item == uinfo->value.enumerated.items - 1)
1758                strcpy(uinfo->value.enumerated.name, "IEC958 Input");
1759        else
1760                sprintf(uinfo->value.enumerated.name, "%d",
1761                        ice->hw_rates->list[uinfo->value.enumerated.item]);
1762        return 0;
1763}
1764
1765static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1766                                             struct snd_ctl_elem_value *ucontrol)
1767{
1768        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1769        unsigned int i, rate;
1770        
1771        spin_lock_irq(&ice->reg_lock);
1772        if (ice->is_spdif_master(ice)) {
1773                ucontrol->value.enumerated.item[0] = ice->hw_rates->count;
1774        } else {
1775                rate = ice->get_rate(ice);
1776                ucontrol->value.enumerated.item[0] = 0;
1777                for (i = 0; i < ice->hw_rates->count; i++) {
1778                        if (ice->hw_rates->list[i] == rate) {
1779                                ucontrol->value.enumerated.item[0] = i;
1780                                break;
1781                        }
1782                }
1783        }
1784        spin_unlock_irq(&ice->reg_lock);
1785        return 0;
1786}
1787
1788/* setting clock to external - SPDIF */
1789static void stdclock_set_spdif_clock(struct snd_ice1712 *ice)
1790{
1791        unsigned char oval;
1792        unsigned char i2s_oval;
1793        oval = inb(ICEMT1724(ice, RATE));
1794        outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1795        /* setting 256fs */
1796        i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1797        outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1798}
1799
1800static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1801                                             struct snd_ctl_elem_value *ucontrol)
1802{
1803        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1804        unsigned int old_rate, new_rate;
1805        unsigned int item = ucontrol->value.enumerated.item[0];
1806        unsigned int spdif = ice->hw_rates->count;
1807
1808        if (item > spdif)
1809                return -EINVAL;
1810
1811        spin_lock_irq(&ice->reg_lock);
1812        if (ice->is_spdif_master(ice))
1813                old_rate = 0;
1814        else
1815                old_rate = ice->get_rate(ice);
1816        if (item == spdif) {
1817                /* switching to external clock via SPDIF */
1818                ice->set_spdif_clock(ice);
1819                new_rate = 0;
1820        } else {
1821                /* internal on-card clock */
1822                new_rate = ice->hw_rates->list[item];
1823                ice->pro_rate_default = new_rate;
1824                spin_unlock_irq(&ice->reg_lock);
1825                snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1826                spin_lock_irq(&ice->reg_lock);
1827        }
1828        spin_unlock_irq(&ice->reg_lock);
1829
1830        /* the first reset to the SPDIF master mode? */
1831        if (old_rate != new_rate && !new_rate) {
1832                /* notify akm chips as well */
1833                unsigned int i;
1834                if (ice->gpio.set_pro_rate)
1835                        ice->gpio.set_pro_rate(ice, 0);
1836                for (i = 0; i < ice->akm_codecs; i++) {
1837                        if (ice->akm[i].ops.set_rate_val)
1838                                ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1839                }
1840        }
1841        return old_rate != new_rate;
1842}
1843
1844static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1845        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1846        .name = "Multi Track Internal Clock",
1847        .info = snd_vt1724_pro_internal_clock_info,
1848        .get = snd_vt1724_pro_internal_clock_get,
1849        .put = snd_vt1724_pro_internal_clock_put
1850};
1851
1852#define snd_vt1724_pro_rate_locking_info        snd_ctl_boolean_mono_info
1853
1854static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1855                                           struct snd_ctl_elem_value *ucontrol)
1856{
1857        ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1858        return 0;
1859}
1860
1861static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1862                                           struct snd_ctl_elem_value *ucontrol)
1863{
1864        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1865        int change = 0, nval;
1866
1867        nval = ucontrol->value.integer.value[0] ? 1 : 0;
1868        spin_lock_irq(&ice->reg_lock);
1869        change = PRO_RATE_LOCKED != nval;
1870        PRO_RATE_LOCKED = nval;
1871        spin_unlock_irq(&ice->reg_lock);
1872        return change;
1873}
1874
1875static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1876        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1877        .name = "Multi Track Rate Locking",
1878        .info = snd_vt1724_pro_rate_locking_info,
1879        .get = snd_vt1724_pro_rate_locking_get,
1880        .put = snd_vt1724_pro_rate_locking_put
1881};
1882
1883#define snd_vt1724_pro_rate_reset_info          snd_ctl_boolean_mono_info
1884
1885static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1886                                         struct snd_ctl_elem_value *ucontrol)
1887{
1888        ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1889        return 0;
1890}
1891
1892static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1893                                         struct snd_ctl_elem_value *ucontrol)
1894{
1895        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1896        int change = 0, nval;
1897
1898        nval = ucontrol->value.integer.value[0] ? 1 : 0;
1899        spin_lock_irq(&ice->reg_lock);
1900        change = PRO_RATE_RESET != nval;
1901        PRO_RATE_RESET = nval;
1902        spin_unlock_irq(&ice->reg_lock);
1903        return change;
1904}
1905
1906static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
1907        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1908        .name = "Multi Track Rate Reset",
1909        .info = snd_vt1724_pro_rate_reset_info,
1910        .get = snd_vt1724_pro_rate_reset_get,
1911        .put = snd_vt1724_pro_rate_reset_put
1912};
1913
1914
1915/*
1916 * routing
1917 */
1918static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1919                                     struct snd_ctl_elem_info *uinfo)
1920{
1921        static char *texts[] = {
1922                "PCM Out", /* 0 */
1923                "H/W In 0", "H/W In 1", /* 1-2 */
1924                "IEC958 In L", "IEC958 In R", /* 3-4 */
1925        };
1926        
1927        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1928        uinfo->count = 1;
1929        uinfo->value.enumerated.items = 5;
1930        if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1931                uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1932        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1933        return 0;
1934}
1935
1936static inline int analog_route_shift(int idx)
1937{
1938        return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
1939}
1940
1941static inline int digital_route_shift(int idx)
1942{
1943        return idx * 3;
1944}
1945
1946static int get_route_val(struct snd_ice1712 *ice, int shift)
1947{
1948        unsigned long val;
1949        unsigned char eitem;
1950        static const unsigned char xlate[8] = {
1951                0, 255, 1, 2, 255, 255, 3, 4,
1952        };
1953
1954        val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1955        val >>= shift;
1956        val &= 7;       //we now have 3 bits per output
1957        eitem = xlate[val];
1958        if (eitem == 255) {
1959                snd_BUG();
1960                return 0;
1961        }
1962        return eitem;
1963}
1964
1965static int put_route_val(struct snd_ice1712 *ice, unsigned int val, int shift)
1966{
1967        unsigned int old_val, nval;
1968        int change;
1969        static const unsigned char xroute[8] = {
1970                0, /* PCM */
1971                2, /* PSDIN0 Left */
1972                3, /* PSDIN0 Right */
1973                6, /* SPDIN Left */
1974                7, /* SPDIN Right */
1975        };
1976
1977        nval = xroute[val % 5];
1978        val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
1979        val &= ~(0x07 << shift);
1980        val |= nval << shift;
1981        change = val != old_val;
1982        if (change)
1983                outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
1984        return change;
1985}
1986
1987static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
1988                                           struct snd_ctl_elem_value *ucontrol)
1989{
1990        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1991        int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1992        ucontrol->value.enumerated.item[0] =
1993                get_route_val(ice, analog_route_shift(idx));
1994        return 0;
1995}
1996
1997static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
1998                                           struct snd_ctl_elem_value *ucontrol)
1999{
2000        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2001        int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2002        return put_route_val(ice, ucontrol->value.enumerated.item[0],
2003                             analog_route_shift(idx));
2004}
2005
2006static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2007                                          struct snd_ctl_elem_value *ucontrol)
2008{
2009        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2010        int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2011        ucontrol->value.enumerated.item[0] =
2012                get_route_val(ice, digital_route_shift(idx));
2013        return 0;
2014}
2015
2016static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2017                                          struct snd_ctl_elem_value *ucontrol)
2018{
2019        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2020        int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2021        return put_route_val(ice, ucontrol->value.enumerated.item[0],
2022                             digital_route_shift(idx));
2023}
2024
2025static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata = {
2026        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2027        .name = "H/W Playback Route",
2028        .info = snd_vt1724_pro_route_info,
2029        .get = snd_vt1724_pro_route_analog_get,
2030        .put = snd_vt1724_pro_route_analog_put,
2031};
2032
2033static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
2034        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2035        .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Route",
2036        .info = snd_vt1724_pro_route_info,
2037        .get = snd_vt1724_pro_route_spdif_get,
2038        .put = snd_vt1724_pro_route_spdif_put,
2039        .count = 2,
2040};
2041
2042
2043static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2044                                    struct snd_ctl_elem_info *uinfo)
2045{
2046        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2047        uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2048        uinfo->value.integer.min = 0;
2049        uinfo->value.integer.max = 255;
2050        return 0;
2051}
2052
2053static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2054                                   struct snd_ctl_elem_value *ucontrol)
2055{
2056        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2057        int idx;
2058        
2059        spin_lock_irq(&ice->reg_lock);
2060        for (idx = 0; idx < 22; idx++) {
2061                outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2062                ucontrol->value.integer.value[idx] =
2063                        inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2064        }
2065        spin_unlock_irq(&ice->reg_lock);
2066        return 0;
2067}
2068
2069static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
2070        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2071        .name = "Multi Track Peak",
2072        .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2073        .info = snd_vt1724_pro_peak_info,
2074        .get = snd_vt1724_pro_peak_get
2075};
2076
2077/*
2078 *
2079 */
2080
2081static struct snd_ice1712_card_info no_matched __devinitdata;
2082
2083static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
2084        snd_vt1724_revo_cards,
2085        snd_vt1724_amp_cards, 
2086        snd_vt1724_aureon_cards,
2087        snd_vt1720_mobo_cards,
2088        snd_vt1720_pontis_cards,
2089        snd_vt1724_prodigy_hifi_cards,
2090        snd_vt1724_prodigy192_cards,
2091        snd_vt1724_juli_cards,
2092        snd_vt1724_phase_cards,
2093        snd_vt1724_wtm_cards,
2094        snd_vt1724_se_cards,
2095        NULL,
2096};
2097
2098
2099/*
2100 */
2101
2102static void wait_i2c_busy(struct snd_ice1712 *ice)
2103{
2104        int t = 0x10000;
2105        while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2106                ;
2107        if (t == -1)
2108                printk(KERN_ERR "ice1724: i2c busy timeout\n");
2109}
2110
2111unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2112                                  unsigned char dev, unsigned char addr)
2113{
2114        unsigned char val;
2115
2116        mutex_lock(&ice->i2c_mutex);
2117        wait_i2c_busy(ice);
2118        outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2119        outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2120        wait_i2c_busy(ice);
2121        val = inb(ICEREG1724(ice, I2C_DATA));
2122        mutex_unlock(&ice->i2c_mutex);
2123        //printk("i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2124        return val;
2125}
2126
2127void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2128                          unsigned char dev, unsigned char addr, unsigned char data)
2129{
2130        mutex_lock(&ice->i2c_mutex);
2131        wait_i2c_busy(ice);
2132        //printk("i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2133        outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2134        outb(data, ICEREG1724(ice, I2C_DATA));
2135        outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2136        wait_i2c_busy(ice);
2137        mutex_unlock(&ice->i2c_mutex);
2138}
2139
2140static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2141                                            const char *modelname)
2142{
2143        const int dev = 0xa0;           /* EEPROM device address */
2144        unsigned int i, size;
2145        struct snd_ice1712_card_info * const *tbl, *c;
2146
2147        if (! modelname || ! *modelname) {
2148                ice->eeprom.subvendor = 0;
2149                if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2150                        ice->eeprom.subvendor =
2151                                (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2152                                (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) | 
2153                                (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) | 
2154                                (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2155                if (ice->eeprom.subvendor == 0 ||
2156                    ice->eeprom.subvendor == (unsigned int)-1) {
2157                        /* invalid subvendor from EEPROM, try the PCI
2158                         * subststem ID instead
2159                         */
2160                        u16 vendor, device;
2161                        pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2162                                             &vendor);
2163                        pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2164                        ice->eeprom.subvendor =
2165                                ((unsigned int)swab16(vendor) << 16) | swab16(device);
2166                        if (ice->eeprom.subvendor == 0 ||
2167                            ice->eeprom.subvendor == (unsigned int)-1) {
2168                                printk(KERN_ERR "ice1724: No valid ID is found\n");
2169                                return -ENXIO;
2170                        }
2171                }
2172        }
2173        for (tbl = card_tables; *tbl; tbl++) {
2174                for (c = *tbl; c->subvendor; c++) {
2175                        if (modelname && c->model &&
2176                            ! strcmp(modelname, c->model)) {
2177                                printk(KERN_INFO "ice1724: Using board model %s\n",
2178                                       c->name);
2179                                ice->eeprom.subvendor = c->subvendor;
2180                        } else if (c->subvendor != ice->eeprom.subvendor)
2181                                continue;
2182                        if (! c->eeprom_size || ! c->eeprom_data)
2183                                goto found;
2184                        /* if the EEPROM is given by the driver, use it */
2185                        snd_printdd("using the defined eeprom..\n");
2186                        ice->eeprom.version = 2;
2187                        ice->eeprom.size = c->eeprom_size + 6;
2188                        memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2189                        goto read_skipped;
2190                }
2191        }
2192        printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2193               ice->eeprom.subvendor);
2194
2195 found:
2196        ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2197        if (ice->eeprom.size < 6)
2198                ice->eeprom.size = 32;
2199        else if (ice->eeprom.size > 32) {
2200                printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2201                       ice->eeprom.size);
2202                return -EIO;
2203        }
2204        ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2205        if (ice->eeprom.version != 2)
2206                printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2207                       ice->eeprom.version);
2208        size = ice->eeprom.size - 6;
2209        for (i = 0; i < size; i++)
2210                ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2211
2212 read_skipped:
2213        ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2214        ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2215        ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2216
2217        return 0;
2218}
2219
2220
2221
2222static void __devinit snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2223{
2224        outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2225        msleep(10);
2226        outb(0, ICEREG1724(ice, CONTROL));
2227        msleep(10);
2228}
2229
2230static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice)
2231{
2232        outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2233        outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2234        outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2235        outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2236
2237        ice->gpio.write_mask = ice->eeprom.gpiomask;
2238        ice->gpio.direction = ice->eeprom.gpiodir;
2239        snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2240        snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2241        snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2242
2243        outb(0, ICEREG1724(ice, POWERDOWN));
2244
2245        return 0;
2246}
2247
2248static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2249{
2250        int err;
2251        struct snd_kcontrol *kctl;
2252
2253        snd_assert(ice->pcm != NULL, return -EIO);
2254
2255        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2256        if (err < 0)
2257                return err;
2258
2259        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2260        if (err < 0)
2261                return err;
2262
2263        err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2264        if (err < 0)
2265                return err;
2266        kctl->id.device = ice->pcm->device;
2267        err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2268        if (err < 0)
2269                return err;
2270        kctl->id.device = ice->pcm->device;
2271        err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2272        if (err < 0)
2273                return err;
2274        kctl->id.device = ice->pcm->device;
2275#if 0 /* use default only */
2276        err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2277        if (err < 0)
2278                return err;
2279        kctl->id.device = ice->pcm->device;
2280        ice->spdif.stream_ctl = kctl;
2281#endif
2282        return 0;
2283}
2284
2285
2286static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2287{
2288        int err;
2289
2290        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2291        if (err < 0)
2292                return err;
2293        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2294        if (err < 0)
2295                return err;
2296
2297        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2298        if (err < 0)
2299                return err;
2300        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2301        if (err < 0)
2302                return err;
2303
2304        if (ice->num_total_dacs > 0) {
2305                struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2306                tmp.count = ice->num_total_dacs;
2307                if (ice->vt1720 && tmp.count > 2)
2308                        tmp.count = 2;
2309                err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2310                if (err < 0)
2311                        return err;
2312        }
2313
2314        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2315        if (err < 0)
2316                return err;
2317
2318        return 0;
2319}
2320
2321static int snd_vt1724_free(struct snd_ice1712 *ice)
2322{
2323        if (! ice->port)
2324                goto __hw_end;
2325        /* mask all interrupts */
2326        outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2327        outb(0xff, ICEREG1724(ice, IRQMASK));
2328        /* --- */
2329      __hw_end:
2330        if (ice->irq >= 0)
2331                free_irq(ice->irq, ice);
2332        pci_release_regions(ice->pci);
2333        snd_ice1712_akm4xxx_free(ice);
2334        pci_disable_device(ice->pci);
2335        kfree(ice->spec);
2336        kfree(ice);
2337        return 0;
2338}
2339
2340static int snd_vt1724_dev_free(struct snd_device *device)
2341{
2342        struct snd_ice1712 *ice = device->device_data;
2343        return snd_vt1724_free(ice);
2344}
2345
2346static int __devinit snd_vt1724_create(struct snd_card *card,
2347                                       struct pci_dev *pci,
2348                                       const char *modelname,
2349                                       struct snd_ice1712 ** r_ice1712)
2350{
2351        struct snd_ice1712 *ice;
2352        int err;
2353        unsigned char mask;
2354        static struct snd_device_ops ops = {
2355                .dev_free =     snd_vt1724_dev_free,
2356        };
2357
2358        *r_ice1712 = NULL;
2359
2360        /* enable PCI device */
2361        if ((err = pci_enable_device(pci)) < 0)
2362                return err;
2363
2364        ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2365        if (ice == NULL) {
2366                pci_disable_device(pci);
2367                return -ENOMEM;
2368        }
2369        ice->vt1724 = 1;
2370        spin_lock_init(&ice->reg_lock);
2371        mutex_init(&ice->gpio_mutex);
2372        mutex_init(&ice->open_mutex);
2373        mutex_init(&ice->i2c_mutex);
2374        ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2375        ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2376        ice->gpio.set_data = snd_vt1724_set_gpio_data;
2377        ice->gpio.get_data = snd_vt1724_get_gpio_data;
2378        ice->card = card;
2379        ice->pci = pci;
2380        ice->irq = -1;
2381        pci_set_master(pci);
2382        snd_vt1724_proc_init(ice);
2383        synchronize_irq(pci->irq);
2384
2385        if ((err = pci_request_regions(pci, "ICE1724")) < 0) {
2386                kfree(ice);
2387                pci_disable_device(pci);
2388                return err;
2389        }
2390        ice->port = pci_resource_start(pci, 0);
2391        ice->profi_port = pci_resource_start(pci, 1);
2392
2393        if (request_irq(pci->irq, snd_vt1724_interrupt,
2394                        IRQF_SHARED, "ICE1724", ice)) {
2395                snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2396                snd_vt1724_free(ice);
2397                return -EIO;
2398        }
2399
2400        ice->irq = pci->irq;
2401
2402        snd_vt1724_chip_reset(ice);
2403        if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2404                snd_vt1724_free(ice);
2405                return -EIO;
2406        }
2407        if (snd_vt1724_chip_init(ice) < 0) {
2408                snd_vt1724_free(ice);
2409                return -EIO;
2410        }
2411
2412        /* unmask used interrupts */
2413        mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
2414        outb(mask, ICEREG1724(ice, IRQMASK));
2415        /* don't handle FIFO overrun/underruns (just yet),
2416         * since they cause machine lockups
2417         */
2418        outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2419
2420        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops)) < 0) {
2421                snd_vt1724_free(ice);
2422                return err;
2423        }
2424
2425        snd_card_set_dev(card, &pci->dev);
2426
2427        *r_ice1712 = ice;
2428        return 0;
2429}
2430
2431
2432/*
2433 *
2434 * Registration
2435 *
2436 */
2437
2438static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2439                                      const struct pci_device_id *pci_id)
2440{
2441        static int dev;
2442        struct snd_card *card;
2443        struct snd_ice1712 *ice;
2444        int pcm_dev = 0, err;
2445        struct snd_ice1712_card_info * const *tbl, *c;
2446
2447        if (dev >= SNDRV_CARDS)
2448                return -ENODEV;
2449        if (!enable[dev]) {
2450                dev++;
2451                return -ENOENT;
2452        }
2453
2454        card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2455        if (card == NULL)
2456                return -ENOMEM;
2457
2458        strcpy(card->driver, "ICE1724");
2459        strcpy(card->shortname, "ICEnsemble ICE1724");
2460        
2461        if ((err = snd_vt1724_create(card, pci, model[dev], &ice)) < 0) {
2462                snd_card_free(card);
2463                return err;
2464        }
2465
2466        for (tbl = card_tables; *tbl; tbl++) {
2467                for (c = *tbl; c->subvendor; c++) {
2468                        if (c->subvendor == ice->eeprom.subvendor) {
2469                                strcpy(card->shortname, c->name);
2470                                if (c->driver) /* specific driver? */
2471                                        strcpy(card->driver, c->driver);
2472                                if (c->chip_init) {
2473                                        if ((err = c->chip_init(ice)) < 0) {
2474                                                snd_card_free(card);
2475                                                return err;
2476                                        }
2477                                }
2478                                goto __found;
2479                        }
2480                }
2481        }
2482        c = &no_matched;
2483 __found:
2484       /*
2485        * VT1724 has separate DMAs for the analog and the SPDIF streams while
2486        * ICE1712 has only one for both (mixed up).
2487        *
2488        * Confusingly the analog PCM is named "professional" here because it
2489        * was called so in ice1712 driver, and vt1724 driver is derived from
2490        * ice1712 driver.
2491        */
2492        ice->pro_rate_default = PRO_RATE_DEFAULT;
2493        if (!ice->is_spdif_master)
2494                ice->is_spdif_master = stdclock_is_spdif_master;
2495        if (!ice->get_rate)
2496                ice->get_rate = stdclock_get_rate;
2497        if (!ice->set_rate)
2498                ice->set_rate = stdclock_set_rate;
2499        if (!ice->set_mclk)
2500                ice->set_mclk = stdclock_set_mclk;
2501        if (!ice->set_spdif_clock)
2502                ice->set_spdif_clock = stdclock_set_spdif_clock;
2503        if (!ice->hw_rates)
2504                set_std_hw_rates(ice);
2505
2506        if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
2507                snd_card_free(card);
2508                return err;
2509        }
2510        
2511        if ((err = snd_vt1724_pcm_spdif(ice, pcm_dev++)) < 0) {
2512                snd_card_free(card);
2513                return err;
2514        }
2515        
2516        if ((err = snd_vt1724_pcm_indep(ice, pcm_dev++)) < 0) {
2517                snd_card_free(card);
2518                return err;
2519        }
2520
2521        if ((err = snd_vt1724_ac97_mixer(ice)) < 0) {
2522                snd_card_free(card);
2523                return err;
2524        }
2525
2526        if ((err = snd_vt1724_build_controls(ice)) < 0) {
2527                snd_card_free(card);
2528                return err;
2529        }
2530
2531        if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2532                if ((err = snd_vt1724_spdif_build_controls(ice)) < 0) {
2533                        snd_card_free(card);
2534                        return err;
2535                }
2536        }
2537
2538        if (c->build_controls) {
2539                if ((err = c->build_controls(ice)) < 0) {
2540                        snd_card_free(card);
2541                        return err;
2542                }
2543        }
2544
2545        if (! c->no_mpu401) {
2546                if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2547                        struct snd_rawmidi *rmidi;
2548
2549                        err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2550                        if (err < 0) {
2551                                snd_card_free(card);
2552                                return err;
2553                        }
2554                        ice->rmidi[0] = rmidi;
2555                        rmidi->private_data = ice;
2556                        strcpy(rmidi->name, "ICE1724 MIDI");
2557                        rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2558                                            SNDRV_RAWMIDI_INFO_INPUT |
2559                                            SNDRV_RAWMIDI_INFO_DUPLEX;
2560                        snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2561                                            &vt1724_midi_output_ops);
2562                        snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2563                                            &vt1724_midi_input_ops);
2564
2565                        /* set watermarks */
2566                        outb(VT1724_MPU_RX_FIFO | 0x1,
2567                             ICEREG1724(ice, MPU_FIFO_WM));
2568                        outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2569                        /* set UART mode */
2570                        outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2571                }
2572        }
2573
2574        sprintf(card->longname, "%s at 0x%lx, irq %i",
2575                card->shortname, ice->port, ice->irq);
2576
2577        if ((err = snd_card_register(card)) < 0) {
2578                snd_card_free(card);
2579                return err;
2580        }
2581        pci_set_drvdata(pci, card);
2582        dev++;
2583        return 0;
2584}
2585
2586static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2587{
2588        snd_card_free(pci_get_drvdata(pci));
2589        pci_set_drvdata(pci, NULL);
2590}
2591
2592static struct pci_driver driver = {
2593        .name = "ICE1724",
2594        .id_table = snd_vt1724_ids,
2595        .probe = snd_vt1724_probe,
2596        .remove = __devexit_p(snd_vt1724_remove),
2597};
2598
2599static int __init alsa_card_ice1724_init(void)
2600{
2601        return pci_register_driver(&driver);
2602}
2603
2604static void __exit alsa_card_ice1724_exit(void)
2605{
2606        pci_unregister_driver(&driver);
2607}
2608
2609module_init(alsa_card_ice1724_init)
2610module_exit(alsa_card_ice1724_exit)
2611
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