linux/sound/pci/fm801.c
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   1/*
   2 *  The driver for the ForteMedia FM801 based soundcards
   3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4 *
   5 *  Support FM only card by Andy Shevchenko <andy@smile.org.ua>
   6 *
   7 *   This program is free software; you can redistribute it and/or modify
   8 *   it under the terms of the GNU General Public License as published by
   9 *   the Free Software Foundation; either version 2 of the License, or
  10 *   (at your option) any later version.
  11 *
  12 *   This program is distributed in the hope that it will be useful,
  13 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 *   GNU General Public License for more details.
  16 *
  17 *   You should have received a copy of the GNU General Public License
  18 *   along with this program; if not, write to the Free Software
  19 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20 *
  21 */
  22
  23#include <linux/delay.h>
  24#include <linux/init.h>
  25#include <linux/interrupt.h>
  26#include <linux/pci.h>
  27#include <linux/slab.h>
  28#include <linux/moduleparam.h>
  29#include <sound/core.h>
  30#include <sound/pcm.h>
  31#include <sound/tlv.h>
  32#include <sound/ac97_codec.h>
  33#include <sound/mpu401.h>
  34#include <sound/opl3.h>
  35#include <sound/initval.h>
  36
  37#include <asm/io.h>
  38
  39#ifdef CONFIG_SND_FM801_TEA575X_BOOL
  40#include <sound/tea575x-tuner.h>
  41#define TEA575X_RADIO 1
  42#endif
  43
  44MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  45MODULE_DESCRIPTION("ForteMedia FM801");
  46MODULE_LICENSE("GPL");
  47MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  48                "{Genius,SoundMaker Live 5.1}}");
  49
  50static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  51static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  52static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
  53/*
  54 *  Enable TEA575x tuner
  55 *    1 = MediaForte 256-PCS
  56 *    2 = MediaForte 256-PCPR
  57 *    3 = MediaForte 64-PCR
  58 *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  59 *  High 16-bits are video (radio) device number + 1
  60 */
  61static int tea575x_tuner[SNDRV_CARDS];
  62
  63module_param_array(index, int, NULL, 0444);
  64MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  65module_param_array(id, charp, NULL, 0444);
  66MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  67module_param_array(enable, bool, NULL, 0444);
  68MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  69module_param_array(tea575x_tuner, int, NULL, 0444);
  70MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (1 = SF256-PCS, 2=SF256-PCPR, 3=SF64-PCR, +16=tuner-only).");
  71
  72#define TUNER_ONLY              (1<<4)
  73#define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
  74
  75/*
  76 *  Direct registers
  77 */
  78
  79#define FM801_REG(chip, reg)    (chip->port + FM801_##reg)
  80
  81#define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  82#define FM801_FM_VOL            0x02    /* FM Output Volume */
  83#define FM801_I2S_VOL           0x04    /* I2S Volume */
  84#define FM801_REC_SRC           0x06    /* Record Source */
  85#define FM801_PLY_CTRL          0x08    /* Playback Control */
  86#define FM801_PLY_COUNT         0x0a    /* Playback Count */
  87#define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  88#define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  89#define FM801_CAP_CTRL          0x14    /* Capture Control */
  90#define FM801_CAP_COUNT         0x16    /* Capture Count */
  91#define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  92#define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  93#define FM801_CODEC_CTRL        0x22    /* Codec Control */
  94#define FM801_I2S_MODE          0x24    /* I2S Mode Control */
  95#define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
  96#define FM801_I2C_CTRL          0x29    /* I2C Control */
  97#define FM801_AC97_CMD          0x2a    /* AC'97 Command */
  98#define FM801_AC97_DATA         0x2c    /* AC'97 Data */
  99#define FM801_MPU401_DATA       0x30    /* MPU401 Data */
 100#define FM801_MPU401_CMD        0x31    /* MPU401 Command */
 101#define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
 102#define FM801_GEN_CTRL          0x54    /* General Control */
 103#define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
 104#define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
 105#define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
 106#define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
 107#define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
 108#define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
 109#define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
 110
 111/* codec access */
 112#define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
 113#define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
 114#define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
 115#define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
 116
 117/* playback and record control register bits */
 118#define FM801_BUF1_LAST         (1<<1)
 119#define FM801_BUF2_LAST         (1<<2)
 120#define FM801_START             (1<<5)
 121#define FM801_PAUSE             (1<<6)
 122#define FM801_IMMED_STOP        (1<<7)
 123#define FM801_RATE_SHIFT        8
 124#define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 125#define FM801_CHANNELS_4        (1<<12) /* playback only */
 126#define FM801_CHANNELS_6        (2<<12) /* playback only */
 127#define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 128#define FM801_CHANNELS_MASK     (3<<12)
 129#define FM801_16BIT             (1<<14)
 130#define FM801_STEREO            (1<<15)
 131
 132/* IRQ status bits */
 133#define FM801_IRQ_PLAYBACK      (1<<8)
 134#define FM801_IRQ_CAPTURE       (1<<9)
 135#define FM801_IRQ_VOLUME        (1<<14)
 136#define FM801_IRQ_MPU           (1<<15)
 137
 138/* GPIO control register */
 139#define FM801_GPIO_GP0          (1<<0)  /* read/write */
 140#define FM801_GPIO_GP1          (1<<1)
 141#define FM801_GPIO_GP2          (1<<2)
 142#define FM801_GPIO_GP3          (1<<3)
 143#define FM801_GPIO_GP(x)        (1<<(0+(x)))
 144#define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 145#define FM801_GPIO_GD1          (1<<9)
 146#define FM801_GPIO_GD2          (1<<10)
 147#define FM801_GPIO_GD3          (1<<11)
 148#define FM801_GPIO_GD(x)        (1<<(8+(x)))
 149#define FM801_GPIO_GS0          (1<<12) /* function select: */
 150#define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 151#define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 152#define FM801_GPIO_GS3          (1<<15)
 153#define FM801_GPIO_GS(x)        (1<<(12+(x)))
 154        
 155/*
 156
 157 */
 158
 159struct fm801 {
 160        int irq;
 161
 162        unsigned long port;     /* I/O port number */
 163        unsigned int multichannel: 1,   /* multichannel support */
 164                     secondary: 1;      /* secondary codec */
 165        unsigned char secondary_addr;   /* address of the secondary codec */
 166        unsigned int tea575x_tuner;     /* tuner access method & flags */
 167
 168        unsigned short ply_ctrl; /* playback control */
 169        unsigned short cap_ctrl; /* capture control */
 170
 171        unsigned long ply_buffer;
 172        unsigned int ply_buf;
 173        unsigned int ply_count;
 174        unsigned int ply_size;
 175        unsigned int ply_pos;
 176
 177        unsigned long cap_buffer;
 178        unsigned int cap_buf;
 179        unsigned int cap_count;
 180        unsigned int cap_size;
 181        unsigned int cap_pos;
 182
 183        struct snd_ac97_bus *ac97_bus;
 184        struct snd_ac97 *ac97;
 185        struct snd_ac97 *ac97_sec;
 186
 187        struct pci_dev *pci;
 188        struct snd_card *card;
 189        struct snd_pcm *pcm;
 190        struct snd_rawmidi *rmidi;
 191        struct snd_pcm_substream *playback_substream;
 192        struct snd_pcm_substream *capture_substream;
 193        unsigned int p_dma_size;
 194        unsigned int c_dma_size;
 195
 196        spinlock_t reg_lock;
 197        struct snd_info_entry *proc_entry;
 198
 199#ifdef TEA575X_RADIO
 200        struct snd_tea575x tea;
 201#endif
 202
 203#ifdef CONFIG_PM
 204        u16 saved_regs[0x20];
 205#endif
 206};
 207
 208static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
 209        { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 210        { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 211        { 0, }
 212};
 213
 214MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 215
 216/*
 217 *  common I/O routines
 218 */
 219
 220static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 221                                 unsigned short mask, unsigned short value)
 222{
 223        int change;
 224        unsigned long flags;
 225        unsigned short old, new;
 226
 227        spin_lock_irqsave(&chip->reg_lock, flags);
 228        old = inw(chip->port + reg);
 229        new = (old & ~mask) | value;
 230        change = old != new;
 231        if (change)
 232                outw(new, chip->port + reg);
 233        spin_unlock_irqrestore(&chip->reg_lock, flags);
 234        return change;
 235}
 236
 237static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 238                                  unsigned short reg,
 239                                  unsigned short val)
 240{
 241        struct fm801 *chip = ac97->private_data;
 242        int idx;
 243
 244        /*
 245         *  Wait until the codec interface is not ready..
 246         */
 247        for (idx = 0; idx < 100; idx++) {
 248                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 249                        goto ok1;
 250                udelay(10);
 251        }
 252        snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 253        return;
 254
 255 ok1:
 256        /* write data and address */
 257        outw(val, FM801_REG(chip, AC97_DATA));
 258        outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
 259        /*
 260         *  Wait until the write command is not completed..
 261         */
 262        for (idx = 0; idx < 1000; idx++) {
 263                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 264                        return;
 265                udelay(10);
 266        }
 267        snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 268}
 269
 270static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 271{
 272        struct fm801 *chip = ac97->private_data;
 273        int idx;
 274
 275        /*
 276         *  Wait until the codec interface is not ready..
 277         */
 278        for (idx = 0; idx < 100; idx++) {
 279                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 280                        goto ok1;
 281                udelay(10);
 282        }
 283        snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 284        return 0;
 285
 286 ok1:
 287        /* read command */
 288        outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
 289             FM801_REG(chip, AC97_CMD));
 290        for (idx = 0; idx < 100; idx++) {
 291                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 292                        goto ok2;
 293                udelay(10);
 294        }
 295        snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 296        return 0;
 297
 298 ok2:
 299        for (idx = 0; idx < 1000; idx++) {
 300                if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
 301                        goto ok3;
 302                udelay(10);
 303        }
 304        snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num);
 305        return 0;
 306
 307 ok3:
 308        return inw(FM801_REG(chip, AC97_DATA));
 309}
 310
 311static unsigned int rates[] = {
 312  5500,  8000,  9600, 11025,
 313  16000, 19200, 22050, 32000,
 314  38400, 44100, 48000
 315};
 316
 317static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 318        .count = ARRAY_SIZE(rates),
 319        .list = rates,
 320        .mask = 0,
 321};
 322
 323static unsigned int channels[] = {
 324  2, 4, 6
 325};
 326
 327static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 328        .count = ARRAY_SIZE(channels),
 329        .list = channels,
 330        .mask = 0,
 331};
 332
 333/*
 334 *  Sample rate routines
 335 */
 336
 337static unsigned short snd_fm801_rate_bits(unsigned int rate)
 338{
 339        unsigned int idx;
 340
 341        for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 342                if (rates[idx] == rate)
 343                        return idx;
 344        snd_BUG();
 345        return ARRAY_SIZE(rates) - 1;
 346}
 347
 348/*
 349 *  PCM part
 350 */
 351
 352static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 353                                      int cmd)
 354{
 355        struct fm801 *chip = snd_pcm_substream_chip(substream);
 356
 357        spin_lock(&chip->reg_lock);
 358        switch (cmd) {
 359        case SNDRV_PCM_TRIGGER_START:
 360                chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 361                                     FM801_BUF2_LAST |
 362                                     FM801_PAUSE);
 363                chip->ply_ctrl |= FM801_START |
 364                                   FM801_IMMED_STOP;
 365                break;
 366        case SNDRV_PCM_TRIGGER_STOP:
 367                chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 368                break;
 369        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 370        case SNDRV_PCM_TRIGGER_SUSPEND:
 371                chip->ply_ctrl |= FM801_PAUSE;
 372                break;
 373        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 374        case SNDRV_PCM_TRIGGER_RESUME:
 375                chip->ply_ctrl &= ~FM801_PAUSE;
 376                break;
 377        default:
 378                spin_unlock(&chip->reg_lock);
 379                snd_BUG();
 380                return -EINVAL;
 381        }
 382        outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 383        spin_unlock(&chip->reg_lock);
 384        return 0;
 385}
 386
 387static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 388                                     int cmd)
 389{
 390        struct fm801 *chip = snd_pcm_substream_chip(substream);
 391
 392        spin_lock(&chip->reg_lock);
 393        switch (cmd) {
 394        case SNDRV_PCM_TRIGGER_START:
 395                chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 396                                     FM801_BUF2_LAST |
 397                                     FM801_PAUSE);
 398                chip->cap_ctrl |= FM801_START |
 399                                   FM801_IMMED_STOP;
 400                break;
 401        case SNDRV_PCM_TRIGGER_STOP:
 402                chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 403                break;
 404        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 405        case SNDRV_PCM_TRIGGER_SUSPEND:
 406                chip->cap_ctrl |= FM801_PAUSE;
 407                break;
 408        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 409        case SNDRV_PCM_TRIGGER_RESUME:
 410                chip->cap_ctrl &= ~FM801_PAUSE;
 411                break;
 412        default:
 413                spin_unlock(&chip->reg_lock);
 414                snd_BUG();
 415                return -EINVAL;
 416        }
 417        outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 418        spin_unlock(&chip->reg_lock);
 419        return 0;
 420}
 421
 422static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
 423                               struct snd_pcm_hw_params *hw_params)
 424{
 425        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 426}
 427
 428static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
 429{
 430        return snd_pcm_lib_free_pages(substream);
 431}
 432
 433static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 434{
 435        struct fm801 *chip = snd_pcm_substream_chip(substream);
 436        struct snd_pcm_runtime *runtime = substream->runtime;
 437
 438        chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 439        chip->ply_count = snd_pcm_lib_period_bytes(substream);
 440        spin_lock_irq(&chip->reg_lock);
 441        chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 442                             FM801_STEREO | FM801_RATE_MASK |
 443                             FM801_CHANNELS_MASK);
 444        if (snd_pcm_format_width(runtime->format) == 16)
 445                chip->ply_ctrl |= FM801_16BIT;
 446        if (runtime->channels > 1) {
 447                chip->ply_ctrl |= FM801_STEREO;
 448                if (runtime->channels == 4)
 449                        chip->ply_ctrl |= FM801_CHANNELS_4;
 450                else if (runtime->channels == 6)
 451                        chip->ply_ctrl |= FM801_CHANNELS_6;
 452        }
 453        chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 454        chip->ply_buf = 0;
 455        outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 456        outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
 457        chip->ply_buffer = runtime->dma_addr;
 458        chip->ply_pos = 0;
 459        outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
 460        outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
 461        spin_unlock_irq(&chip->reg_lock);
 462        return 0;
 463}
 464
 465static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 466{
 467        struct fm801 *chip = snd_pcm_substream_chip(substream);
 468        struct snd_pcm_runtime *runtime = substream->runtime;
 469
 470        chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 471        chip->cap_count = snd_pcm_lib_period_bytes(substream);
 472        spin_lock_irq(&chip->reg_lock);
 473        chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 474                             FM801_STEREO | FM801_RATE_MASK);
 475        if (snd_pcm_format_width(runtime->format) == 16)
 476                chip->cap_ctrl |= FM801_16BIT;
 477        if (runtime->channels > 1)
 478                chip->cap_ctrl |= FM801_STEREO;
 479        chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 480        chip->cap_buf = 0;
 481        outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 482        outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
 483        chip->cap_buffer = runtime->dma_addr;
 484        chip->cap_pos = 0;
 485        outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
 486        outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
 487        spin_unlock_irq(&chip->reg_lock);
 488        return 0;
 489}
 490
 491static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 492{
 493        struct fm801 *chip = snd_pcm_substream_chip(substream);
 494        size_t ptr;
 495
 496        if (!(chip->ply_ctrl & FM801_START))
 497                return 0;
 498        spin_lock(&chip->reg_lock);
 499        ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
 500        if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
 501                ptr += chip->ply_count;
 502                ptr %= chip->ply_size;
 503        }
 504        spin_unlock(&chip->reg_lock);
 505        return bytes_to_frames(substream->runtime, ptr);
 506}
 507
 508static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 509{
 510        struct fm801 *chip = snd_pcm_substream_chip(substream);
 511        size_t ptr;
 512
 513        if (!(chip->cap_ctrl & FM801_START))
 514                return 0;
 515        spin_lock(&chip->reg_lock);
 516        ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
 517        if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
 518                ptr += chip->cap_count;
 519                ptr %= chip->cap_size;
 520        }
 521        spin_unlock(&chip->reg_lock);
 522        return bytes_to_frames(substream->runtime, ptr);
 523}
 524
 525static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 526{
 527        struct fm801 *chip = dev_id;
 528        unsigned short status;
 529        unsigned int tmp;
 530
 531        status = inw(FM801_REG(chip, IRQ_STATUS));
 532        status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 533        if (! status)
 534                return IRQ_NONE;
 535        /* ack first */
 536        outw(status, FM801_REG(chip, IRQ_STATUS));
 537        if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 538                spin_lock(&chip->reg_lock);
 539                chip->ply_buf++;
 540                chip->ply_pos += chip->ply_count;
 541                chip->ply_pos %= chip->ply_size;
 542                tmp = chip->ply_pos + chip->ply_count;
 543                tmp %= chip->ply_size;
 544                outl(chip->ply_buffer + tmp,
 545                                (chip->ply_buf & 1) ?
 546                                        FM801_REG(chip, PLY_BUF1) :
 547                                        FM801_REG(chip, PLY_BUF2));
 548                spin_unlock(&chip->reg_lock);
 549                snd_pcm_period_elapsed(chip->playback_substream);
 550        }
 551        if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 552                spin_lock(&chip->reg_lock);
 553                chip->cap_buf++;
 554                chip->cap_pos += chip->cap_count;
 555                chip->cap_pos %= chip->cap_size;
 556                tmp = chip->cap_pos + chip->cap_count;
 557                tmp %= chip->cap_size;
 558                outl(chip->cap_buffer + tmp,
 559                                (chip->cap_buf & 1) ?
 560                                        FM801_REG(chip, CAP_BUF1) :
 561                                        FM801_REG(chip, CAP_BUF2));
 562                spin_unlock(&chip->reg_lock);
 563                snd_pcm_period_elapsed(chip->capture_substream);
 564        }
 565        if (chip->rmidi && (status & FM801_IRQ_MPU))
 566                snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 567        if (status & FM801_IRQ_VOLUME)
 568                ;/* TODO */
 569
 570        return IRQ_HANDLED;
 571}
 572
 573static struct snd_pcm_hardware snd_fm801_playback =
 574{
 575        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 576                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 577                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 578                                 SNDRV_PCM_INFO_MMAP_VALID),
 579        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 580        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 581        .rate_min =             5500,
 582        .rate_max =             48000,
 583        .channels_min =         1,
 584        .channels_max =         2,
 585        .buffer_bytes_max =     (128*1024),
 586        .period_bytes_min =     64,
 587        .period_bytes_max =     (128*1024),
 588        .periods_min =          1,
 589        .periods_max =          1024,
 590        .fifo_size =            0,
 591};
 592
 593static struct snd_pcm_hardware snd_fm801_capture =
 594{
 595        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 596                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 597                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 598                                 SNDRV_PCM_INFO_MMAP_VALID),
 599        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 600        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 601        .rate_min =             5500,
 602        .rate_max =             48000,
 603        .channels_min =         1,
 604        .channels_max =         2,
 605        .buffer_bytes_max =     (128*1024),
 606        .period_bytes_min =     64,
 607        .period_bytes_max =     (128*1024),
 608        .periods_min =          1,
 609        .periods_max =          1024,
 610        .fifo_size =            0,
 611};
 612
 613static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 614{
 615        struct fm801 *chip = snd_pcm_substream_chip(substream);
 616        struct snd_pcm_runtime *runtime = substream->runtime;
 617        int err;
 618
 619        chip->playback_substream = substream;
 620        runtime->hw = snd_fm801_playback;
 621        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 622                                   &hw_constraints_rates);
 623        if (chip->multichannel) {
 624                runtime->hw.channels_max = 6;
 625                snd_pcm_hw_constraint_list(runtime, 0,
 626                                           SNDRV_PCM_HW_PARAM_CHANNELS,
 627                                           &hw_constraints_channels);
 628        }
 629        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 630                return err;
 631        return 0;
 632}
 633
 634static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 635{
 636        struct fm801 *chip = snd_pcm_substream_chip(substream);
 637        struct snd_pcm_runtime *runtime = substream->runtime;
 638        int err;
 639
 640        chip->capture_substream = substream;
 641        runtime->hw = snd_fm801_capture;
 642        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 643                                   &hw_constraints_rates);
 644        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 645                return err;
 646        return 0;
 647}
 648
 649static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 650{
 651        struct fm801 *chip = snd_pcm_substream_chip(substream);
 652
 653        chip->playback_substream = NULL;
 654        return 0;
 655}
 656
 657static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 658{
 659        struct fm801 *chip = snd_pcm_substream_chip(substream);
 660
 661        chip->capture_substream = NULL;
 662        return 0;
 663}
 664
 665static struct snd_pcm_ops snd_fm801_playback_ops = {
 666        .open =         snd_fm801_playback_open,
 667        .close =        snd_fm801_playback_close,
 668        .ioctl =        snd_pcm_lib_ioctl,
 669        .hw_params =    snd_fm801_hw_params,
 670        .hw_free =      snd_fm801_hw_free,
 671        .prepare =      snd_fm801_playback_prepare,
 672        .trigger =      snd_fm801_playback_trigger,
 673        .pointer =      snd_fm801_playback_pointer,
 674};
 675
 676static struct snd_pcm_ops snd_fm801_capture_ops = {
 677        .open =         snd_fm801_capture_open,
 678        .close =        snd_fm801_capture_close,
 679        .ioctl =        snd_pcm_lib_ioctl,
 680        .hw_params =    snd_fm801_hw_params,
 681        .hw_free =      snd_fm801_hw_free,
 682        .prepare =      snd_fm801_capture_prepare,
 683        .trigger =      snd_fm801_capture_trigger,
 684        .pointer =      snd_fm801_capture_pointer,
 685};
 686
 687static int __devinit snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm ** rpcm)
 688{
 689        struct snd_pcm *pcm;
 690        int err;
 691
 692        if (rpcm)
 693                *rpcm = NULL;
 694        if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 695                return err;
 696
 697        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 698        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 699
 700        pcm->private_data = chip;
 701        pcm->info_flags = 0;
 702        strcpy(pcm->name, "FM801");
 703        chip->pcm = pcm;
 704
 705        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 706                                              snd_dma_pci_data(chip->pci),
 707                                              chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 708
 709        if (rpcm)
 710                *rpcm = pcm;
 711        return 0;
 712}
 713
 714/*
 715 *  TEA5757 radio
 716 */
 717
 718#ifdef TEA575X_RADIO
 719
 720/* 256PCS GPIO numbers */
 721#define TEA_256PCS_DATA                 1
 722#define TEA_256PCS_WRITE_ENABLE         2       /* inverted */
 723#define TEA_256PCS_BUS_CLOCK            3
 724
 725static void snd_fm801_tea575x_256pcs_write(struct snd_tea575x *tea, unsigned int val)
 726{
 727        struct fm801 *chip = tea->private_data;
 728        unsigned short reg;
 729        int i = 25;
 730
 731        spin_lock_irq(&chip->reg_lock);
 732        reg = inw(FM801_REG(chip, GPIO_CTRL));
 733        /* use GPIO lines and set write enable bit */
 734        reg |= FM801_GPIO_GS(TEA_256PCS_DATA) |
 735               FM801_GPIO_GS(TEA_256PCS_WRITE_ENABLE) |
 736               FM801_GPIO_GS(TEA_256PCS_BUS_CLOCK);
 737        /* all of lines are in the write direction */
 738        /* clear data and clock lines */
 739        reg &= ~(FM801_GPIO_GD(TEA_256PCS_DATA) |
 740                 FM801_GPIO_GD(TEA_256PCS_WRITE_ENABLE) |
 741                 FM801_GPIO_GD(TEA_256PCS_BUS_CLOCK) |
 742                 FM801_GPIO_GP(TEA_256PCS_DATA) |
 743                 FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK) |
 744                 FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE));
 745        outw(reg, FM801_REG(chip, GPIO_CTRL));
 746        udelay(1);
 747
 748        while (i--) {
 749                if (val & (1 << i))
 750                        reg |= FM801_GPIO_GP(TEA_256PCS_DATA);
 751                else
 752                        reg &= ~FM801_GPIO_GP(TEA_256PCS_DATA);
 753                outw(reg, FM801_REG(chip, GPIO_CTRL));
 754                udelay(1);
 755                reg |= FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 756                outw(reg, FM801_REG(chip, GPIO_CTRL));
 757                reg &= ~FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 758                outw(reg, FM801_REG(chip, GPIO_CTRL));
 759                udelay(1);
 760        }
 761
 762        /* and reset the write enable bit */
 763        reg |= FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE) |
 764               FM801_GPIO_GP(TEA_256PCS_DATA);
 765        outw(reg, FM801_REG(chip, GPIO_CTRL));
 766        spin_unlock_irq(&chip->reg_lock);
 767}
 768
 769static unsigned int snd_fm801_tea575x_256pcs_read(struct snd_tea575x *tea)
 770{
 771        struct fm801 *chip = tea->private_data;
 772        unsigned short reg;
 773        unsigned int val = 0;
 774        int i;
 775        
 776        spin_lock_irq(&chip->reg_lock);
 777        reg = inw(FM801_REG(chip, GPIO_CTRL));
 778        /* use GPIO lines, set data direction to input */
 779        reg |= FM801_GPIO_GS(TEA_256PCS_DATA) |
 780               FM801_GPIO_GS(TEA_256PCS_WRITE_ENABLE) |
 781               FM801_GPIO_GS(TEA_256PCS_BUS_CLOCK) |
 782               FM801_GPIO_GD(TEA_256PCS_DATA) |
 783               FM801_GPIO_GP(TEA_256PCS_DATA) |
 784               FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE);
 785        /* all of lines are in the write direction, except data */
 786        /* clear data, write enable and clock lines */
 787        reg &= ~(FM801_GPIO_GD(TEA_256PCS_WRITE_ENABLE) |
 788                 FM801_GPIO_GD(TEA_256PCS_BUS_CLOCK) |
 789                 FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK));
 790
 791        for (i = 0; i < 24; i++) {
 792                reg &= ~FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 793                outw(reg, FM801_REG(chip, GPIO_CTRL));
 794                udelay(1);
 795                reg |= FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 796                outw(reg, FM801_REG(chip, GPIO_CTRL));
 797                udelay(1);
 798                val <<= 1;
 799                if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_256PCS_DATA))
 800                        val |= 1;
 801        }
 802
 803        spin_unlock_irq(&chip->reg_lock);
 804
 805        return val;
 806}
 807
 808/* 256PCPR GPIO numbers */
 809#define TEA_256PCPR_BUS_CLOCK           0
 810#define TEA_256PCPR_DATA                1
 811#define TEA_256PCPR_WRITE_ENABLE        2       /* inverted */
 812
 813static void snd_fm801_tea575x_256pcpr_write(struct snd_tea575x *tea, unsigned int val)
 814{
 815        struct fm801 *chip = tea->private_data;
 816        unsigned short reg;
 817        int i = 25;
 818
 819        spin_lock_irq(&chip->reg_lock);
 820        reg = inw(FM801_REG(chip, GPIO_CTRL));
 821        /* use GPIO lines and set write enable bit */
 822        reg |= FM801_GPIO_GS(TEA_256PCPR_DATA) |
 823               FM801_GPIO_GS(TEA_256PCPR_WRITE_ENABLE) |
 824               FM801_GPIO_GS(TEA_256PCPR_BUS_CLOCK);
 825        /* all of lines are in the write direction */
 826        /* clear data and clock lines */
 827        reg &= ~(FM801_GPIO_GD(TEA_256PCPR_DATA) |
 828                 FM801_GPIO_GD(TEA_256PCPR_WRITE_ENABLE) |
 829                 FM801_GPIO_GD(TEA_256PCPR_BUS_CLOCK) |
 830                 FM801_GPIO_GP(TEA_256PCPR_DATA) |
 831                 FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK) |
 832                 FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE));
 833        outw(reg, FM801_REG(chip, GPIO_CTRL));
 834        udelay(1);
 835
 836        while (i--) {
 837                if (val & (1 << i))
 838                        reg |= FM801_GPIO_GP(TEA_256PCPR_DATA);
 839                else
 840                        reg &= ~FM801_GPIO_GP(TEA_256PCPR_DATA);
 841                outw(reg, FM801_REG(chip, GPIO_CTRL));
 842                udelay(1);
 843                reg |= FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 844                outw(reg, FM801_REG(chip, GPIO_CTRL));
 845                reg &= ~FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 846                outw(reg, FM801_REG(chip, GPIO_CTRL));
 847                udelay(1);
 848        }
 849
 850        /* and reset the write enable bit */
 851        reg |= FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE) |
 852               FM801_GPIO_GP(TEA_256PCPR_DATA);
 853        outw(reg, FM801_REG(chip, GPIO_CTRL));
 854        spin_unlock_irq(&chip->reg_lock);
 855}
 856
 857static unsigned int snd_fm801_tea575x_256pcpr_read(struct snd_tea575x *tea)
 858{
 859        struct fm801 *chip = tea->private_data;
 860        unsigned short reg;
 861        unsigned int val = 0;
 862        int i;
 863        
 864        spin_lock_irq(&chip->reg_lock);
 865        reg = inw(FM801_REG(chip, GPIO_CTRL));
 866        /* use GPIO lines, set data direction to input */
 867        reg |= FM801_GPIO_GS(TEA_256PCPR_DATA) |
 868               FM801_GPIO_GS(TEA_256PCPR_WRITE_ENABLE) |
 869               FM801_GPIO_GS(TEA_256PCPR_BUS_CLOCK) |
 870               FM801_GPIO_GD(TEA_256PCPR_DATA) |
 871               FM801_GPIO_GP(TEA_256PCPR_DATA) |
 872               FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE);
 873        /* all of lines are in the write direction, except data */
 874        /* clear data, write enable and clock lines */
 875        reg &= ~(FM801_GPIO_GD(TEA_256PCPR_WRITE_ENABLE) |
 876                 FM801_GPIO_GD(TEA_256PCPR_BUS_CLOCK) |
 877                 FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK));
 878
 879        for (i = 0; i < 24; i++) {
 880                reg &= ~FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 881                outw(reg, FM801_REG(chip, GPIO_CTRL));
 882                udelay(1);
 883                reg |= FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 884                outw(reg, FM801_REG(chip, GPIO_CTRL));
 885                udelay(1);
 886                val <<= 1;
 887                if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_256PCPR_DATA))
 888                        val |= 1;
 889        }
 890
 891        spin_unlock_irq(&chip->reg_lock);
 892
 893        return val;
 894}
 895
 896/* 64PCR GPIO numbers */
 897#define TEA_64PCR_BUS_CLOCK             0
 898#define TEA_64PCR_WRITE_ENABLE          1       /* inverted */
 899#define TEA_64PCR_DATA                  2
 900
 901static void snd_fm801_tea575x_64pcr_write(struct snd_tea575x *tea, unsigned int val)
 902{
 903        struct fm801 *chip = tea->private_data;
 904        unsigned short reg;
 905        int i = 25;
 906
 907        spin_lock_irq(&chip->reg_lock);
 908        reg = inw(FM801_REG(chip, GPIO_CTRL));
 909        /* use GPIO lines and set write enable bit */
 910        reg |= FM801_GPIO_GS(TEA_64PCR_DATA) |
 911               FM801_GPIO_GS(TEA_64PCR_WRITE_ENABLE) |
 912               FM801_GPIO_GS(TEA_64PCR_BUS_CLOCK);
 913        /* all of lines are in the write direction */
 914        /* clear data and clock lines */
 915        reg &= ~(FM801_GPIO_GD(TEA_64PCR_DATA) |
 916                 FM801_GPIO_GD(TEA_64PCR_WRITE_ENABLE) |
 917                 FM801_GPIO_GD(TEA_64PCR_BUS_CLOCK) |
 918                 FM801_GPIO_GP(TEA_64PCR_DATA) |
 919                 FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK) |
 920                 FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE));
 921        outw(reg, FM801_REG(chip, GPIO_CTRL));
 922        udelay(1);
 923
 924        while (i--) {
 925                if (val & (1 << i))
 926                        reg |= FM801_GPIO_GP(TEA_64PCR_DATA);
 927                else
 928                        reg &= ~FM801_GPIO_GP(TEA_64PCR_DATA);
 929                outw(reg, FM801_REG(chip, GPIO_CTRL));
 930                udelay(1);
 931                reg |= FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 932                outw(reg, FM801_REG(chip, GPIO_CTRL));
 933                reg &= ~FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 934                outw(reg, FM801_REG(chip, GPIO_CTRL));
 935                udelay(1);
 936        }
 937
 938        /* and reset the write enable bit */
 939        reg |= FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE) |
 940               FM801_GPIO_GP(TEA_64PCR_DATA);
 941        outw(reg, FM801_REG(chip, GPIO_CTRL));
 942        spin_unlock_irq(&chip->reg_lock);
 943}
 944
 945static unsigned int snd_fm801_tea575x_64pcr_read(struct snd_tea575x *tea)
 946{
 947        struct fm801 *chip = tea->private_data;
 948        unsigned short reg;
 949        unsigned int val = 0;
 950        int i;
 951        
 952        spin_lock_irq(&chip->reg_lock);
 953        reg = inw(FM801_REG(chip, GPIO_CTRL));
 954        /* use GPIO lines, set data direction to input */
 955        reg |= FM801_GPIO_GS(TEA_64PCR_DATA) |
 956               FM801_GPIO_GS(TEA_64PCR_WRITE_ENABLE) |
 957               FM801_GPIO_GS(TEA_64PCR_BUS_CLOCK) |
 958               FM801_GPIO_GD(TEA_64PCR_DATA) |
 959               FM801_GPIO_GP(TEA_64PCR_DATA) |
 960               FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
 961        /* all of lines are in the write direction, except data */
 962        /* clear data, write enable and clock lines */
 963        reg &= ~(FM801_GPIO_GD(TEA_64PCR_WRITE_ENABLE) |
 964                 FM801_GPIO_GD(TEA_64PCR_BUS_CLOCK) |
 965                 FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK));
 966
 967        for (i = 0; i < 24; i++) {
 968                reg &= ~FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 969                outw(reg, FM801_REG(chip, GPIO_CTRL));
 970                udelay(1);
 971                reg |= FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 972                outw(reg, FM801_REG(chip, GPIO_CTRL));
 973                udelay(1);
 974                val <<= 1;
 975                if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_64PCR_DATA))
 976                        val |= 1;
 977        }
 978
 979        spin_unlock_irq(&chip->reg_lock);
 980
 981        return val;
 982}
 983
 984static void snd_fm801_tea575x_64pcr_mute(struct snd_tea575x *tea,
 985                                          unsigned int mute)
 986{
 987        struct fm801 *chip = tea->private_data;
 988        unsigned short reg;
 989
 990        spin_lock_irq(&chip->reg_lock);
 991
 992        reg = inw(FM801_REG(chip, GPIO_CTRL));
 993        if (mute)
 994                /* 0xf800 (mute) */
 995                reg &= ~FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
 996        else
 997                /* 0xf802 (unmute) */
 998                reg |= FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
 999        outw(reg, FM801_REG(chip, GPIO_CTRL));
1000        udelay(1);
1001
1002        spin_unlock_irq(&chip->reg_lock);
1003}
1004
1005static struct snd_tea575x_ops snd_fm801_tea_ops[3] = {
1006        {
1007                /* 1 = MediaForte 256-PCS */
1008                .write = snd_fm801_tea575x_256pcs_write,
1009                .read = snd_fm801_tea575x_256pcs_read,
1010        },
1011        {
1012                /* 2 = MediaForte 256-PCPR */
1013                .write = snd_fm801_tea575x_256pcpr_write,
1014                .read = snd_fm801_tea575x_256pcpr_read,
1015        },
1016        {
1017                /* 3 = MediaForte 64-PCR */
1018                .write = snd_fm801_tea575x_64pcr_write,
1019                .read = snd_fm801_tea575x_64pcr_read,
1020                .mute = snd_fm801_tea575x_64pcr_mute,
1021        }
1022};
1023#endif
1024
1025/*
1026 *  Mixer routines
1027 */
1028
1029#define FM801_SINGLE(xname, reg, shift, mask, invert) \
1030{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
1031  .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
1032  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1033
1034static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
1035                                 struct snd_ctl_elem_info *uinfo)
1036{
1037        int mask = (kcontrol->private_value >> 16) & 0xff;
1038
1039        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1040        uinfo->count = 1;
1041        uinfo->value.integer.min = 0;
1042        uinfo->value.integer.max = mask;
1043        return 0;
1044}
1045
1046static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
1047                                struct snd_ctl_elem_value *ucontrol)
1048{
1049        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1050        int reg = kcontrol->private_value & 0xff;
1051        int shift = (kcontrol->private_value >> 8) & 0xff;
1052        int mask = (kcontrol->private_value >> 16) & 0xff;
1053        int invert = (kcontrol->private_value >> 24) & 0xff;
1054
1055        ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
1056        if (invert)
1057                ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1058        return 0;
1059}
1060
1061static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
1062                                struct snd_ctl_elem_value *ucontrol)
1063{
1064        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1065        int reg = kcontrol->private_value & 0xff;
1066        int shift = (kcontrol->private_value >> 8) & 0xff;
1067        int mask = (kcontrol->private_value >> 16) & 0xff;
1068        int invert = (kcontrol->private_value >> 24) & 0xff;
1069        unsigned short val;
1070
1071        val = (ucontrol->value.integer.value[0] & mask);
1072        if (invert)
1073                val = mask - val;
1074        return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
1075}
1076
1077#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
1078{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
1079  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
1080  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
1081#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
1082{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1083  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
1084  .name = xname, .info = snd_fm801_info_double, \
1085  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
1086  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
1087  .tlv = { .p = (xtlv) } }
1088
1089static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
1090                                 struct snd_ctl_elem_info *uinfo)
1091{
1092        int mask = (kcontrol->private_value >> 16) & 0xff;
1093
1094        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1095        uinfo->count = 2;
1096        uinfo->value.integer.min = 0;
1097        uinfo->value.integer.max = mask;
1098        return 0;
1099}
1100
1101static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
1102                                struct snd_ctl_elem_value *ucontrol)
1103{
1104        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1105        int reg = kcontrol->private_value & 0xff;
1106        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
1107        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
1108        int mask = (kcontrol->private_value >> 16) & 0xff;
1109        int invert = (kcontrol->private_value >> 24) & 0xff;
1110
1111        spin_lock_irq(&chip->reg_lock);
1112        ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
1113        ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
1114        spin_unlock_irq(&chip->reg_lock);
1115        if (invert) {
1116                ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1117                ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1118        }
1119        return 0;
1120}
1121
1122static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
1123                                struct snd_ctl_elem_value *ucontrol)
1124{
1125        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1126        int reg = kcontrol->private_value & 0xff;
1127        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
1128        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
1129        int mask = (kcontrol->private_value >> 16) & 0xff;
1130        int invert = (kcontrol->private_value >> 24) & 0xff;
1131        unsigned short val1, val2;
1132 
1133        val1 = ucontrol->value.integer.value[0] & mask;
1134        val2 = ucontrol->value.integer.value[1] & mask;
1135        if (invert) {
1136                val1 = mask - val1;
1137                val2 = mask - val2;
1138        }
1139        return snd_fm801_update_bits(chip, reg,
1140                                     (mask << shift_left) | (mask << shift_right),
1141                                     (val1 << shift_left ) | (val2 << shift_right));
1142}
1143
1144static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
1145                              struct snd_ctl_elem_info *uinfo)
1146{
1147        static char *texts[5] = {
1148                "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
1149        };
1150 
1151        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1152        uinfo->count = 1;
1153        uinfo->value.enumerated.items = 5;
1154        if (uinfo->value.enumerated.item > 4)
1155                uinfo->value.enumerated.item = 4;
1156        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1157        return 0;
1158}
1159
1160static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
1161                             struct snd_ctl_elem_value *ucontrol)
1162{
1163        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1164        unsigned short val;
1165 
1166        val = inw(FM801_REG(chip, REC_SRC)) & 7;
1167        if (val > 4)
1168                val = 4;
1169        ucontrol->value.enumerated.item[0] = val;
1170        return 0;
1171}
1172
1173static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
1174                             struct snd_ctl_elem_value *ucontrol)
1175{
1176        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1177        unsigned short val;
1178 
1179        if ((val = ucontrol->value.enumerated.item[0]) > 4)
1180                return -EINVAL;
1181        return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
1182}
1183
1184static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
1185
1186#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
1187
1188static struct snd_kcontrol_new snd_fm801_controls[] __devinitdata = {
1189FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1190                 db_scale_dsp),
1191FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1192FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1193                 db_scale_dsp),
1194FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1195FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1196                 db_scale_dsp),
1197FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1198{
1199        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1200        .name = "Digital Capture Source",
1201        .info = snd_fm801_info_mux,
1202        .get = snd_fm801_get_mux,
1203        .put = snd_fm801_put_mux,
1204}
1205};
1206
1207#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1208
1209static struct snd_kcontrol_new snd_fm801_controls_multi[] __devinitdata = {
1210FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1211FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1212FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1213FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1214FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1215FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1216};
1217
1218static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1219{
1220        struct fm801 *chip = bus->private_data;
1221        chip->ac97_bus = NULL;
1222}
1223
1224static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1225{
1226        struct fm801 *chip = ac97->private_data;
1227        if (ac97->num == 0) {
1228                chip->ac97 = NULL;
1229        } else {
1230                chip->ac97_sec = NULL;
1231        }
1232}
1233
1234static int __devinit snd_fm801_mixer(struct fm801 *chip)
1235{
1236        struct snd_ac97_template ac97;
1237        unsigned int i;
1238        int err;
1239        static struct snd_ac97_bus_ops ops = {
1240                .write = snd_fm801_codec_write,
1241                .read = snd_fm801_codec_read,
1242        };
1243
1244        if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1245                return err;
1246        chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1247
1248        memset(&ac97, 0, sizeof(ac97));
1249        ac97.private_data = chip;
1250        ac97.private_free = snd_fm801_mixer_free_ac97;
1251        if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1252                return err;
1253        if (chip->secondary) {
1254                ac97.num = 1;
1255                ac97.addr = chip->secondary_addr;
1256                if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1257                        return err;
1258        }
1259        for (i = 0; i < FM801_CONTROLS; i++)
1260                snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1261        if (chip->multichannel) {
1262                for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1263                        snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1264        }
1265        return 0;
1266}
1267
1268/*
1269 *  initialization routines
1270 */
1271
1272static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1273                          unsigned short reg, unsigned long waits)
1274{
1275        unsigned long timeout = jiffies + waits;
1276
1277        outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1278             FM801_REG(chip, AC97_CMD));
1279        udelay(5);
1280        do {
1281                if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1282                    == FM801_AC97_VALID)
1283                        return 0;
1284                schedule_timeout_uninterruptible(1);
1285        } while (time_after(timeout, jiffies));
1286        return -EIO;
1287}
1288
1289static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1290{
1291        unsigned short cmdw;
1292
1293        if (chip->tea575x_tuner & TUNER_ONLY)
1294                goto __ac97_ok;
1295
1296        /* codec cold reset + AC'97 warm reset */
1297        outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1298        inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1299        udelay(100);
1300        outw(0, FM801_REG(chip, CODEC_CTRL));
1301
1302        if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1303                if (!resume) {
1304                        snd_printk(KERN_INFO "Primary AC'97 codec not found, "
1305                                            "assume SF64-PCR (tuner-only)\n");
1306                        chip->tea575x_tuner = 3 | TUNER_ONLY;
1307                        goto __ac97_ok;
1308                }
1309
1310        if (chip->multichannel) {
1311                if (chip->secondary_addr) {
1312                        wait_for_codec(chip, chip->secondary_addr,
1313                                       AC97_VENDOR_ID1, msecs_to_jiffies(50));
1314                } else {
1315                        /* my card has the secondary codec */
1316                        /* at address #3, so the loop is inverted */
1317                        int i;
1318                        for (i = 3; i > 0; i--) {
1319                                if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1320                                                     msecs_to_jiffies(50))) {
1321                                        cmdw = inw(FM801_REG(chip, AC97_DATA));
1322                                        if (cmdw != 0xffff && cmdw != 0) {
1323                                                chip->secondary = 1;
1324                                                chip->secondary_addr = i;
1325                                                break;
1326                                        }
1327                                }
1328                        }
1329                }
1330
1331                /* the recovery phase, it seems that probing for non-existing codec might */
1332                /* cause timeout problems */
1333                wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1334        }
1335
1336      __ac97_ok:
1337
1338        /* init volume */
1339        outw(0x0808, FM801_REG(chip, PCM_VOL));
1340        outw(0x9f1f, FM801_REG(chip, FM_VOL));
1341        outw(0x8808, FM801_REG(chip, I2S_VOL));
1342
1343        /* I2S control - I2S mode */
1344        outw(0x0003, FM801_REG(chip, I2S_MODE));
1345
1346        /* interrupt setup */
1347        cmdw = inw(FM801_REG(chip, IRQ_MASK));
1348        if (chip->irq < 0)
1349                cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1350        else
1351                cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1352        outw(cmdw, FM801_REG(chip, IRQ_MASK));
1353
1354        /* interrupt clear */
1355        outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1356
1357        return 0;
1358}
1359
1360
1361static int snd_fm801_free(struct fm801 *chip)
1362{
1363        unsigned short cmdw;
1364
1365        if (chip->irq < 0)
1366                goto __end_hw;
1367
1368        /* interrupt setup - mask everything */
1369        cmdw = inw(FM801_REG(chip, IRQ_MASK));
1370        cmdw |= 0x00c3;
1371        outw(cmdw, FM801_REG(chip, IRQ_MASK));
1372
1373      __end_hw:
1374#ifdef TEA575X_RADIO
1375        snd_tea575x_exit(&chip->tea);
1376#endif
1377        if (chip->irq >= 0)
1378                free_irq(chip->irq, chip);
1379        pci_release_regions(chip->pci);
1380        pci_disable_device(chip->pci);
1381
1382        kfree(chip);
1383        return 0;
1384}
1385
1386static int snd_fm801_dev_free(struct snd_device *device)
1387{
1388        struct fm801 *chip = device->device_data;
1389        return snd_fm801_free(chip);
1390}
1391
1392static int __devinit snd_fm801_create(struct snd_card *card,
1393                                      struct pci_dev * pci,
1394                                      int tea575x_tuner,
1395                                      struct fm801 ** rchip)
1396{
1397        struct fm801 *chip;
1398        int err;
1399        static struct snd_device_ops ops = {
1400                .dev_free =     snd_fm801_dev_free,
1401        };
1402
1403        *rchip = NULL;
1404        if ((err = pci_enable_device(pci)) < 0)
1405                return err;
1406        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1407        if (chip == NULL) {
1408                pci_disable_device(pci);
1409                return -ENOMEM;
1410        }
1411        spin_lock_init(&chip->reg_lock);
1412        chip->card = card;
1413        chip->pci = pci;
1414        chip->irq = -1;
1415        chip->tea575x_tuner = tea575x_tuner;
1416        if ((err = pci_request_regions(pci, "FM801")) < 0) {
1417                kfree(chip);
1418                pci_disable_device(pci);
1419                return err;
1420        }
1421        chip->port = pci_resource_start(pci, 0);
1422        if ((tea575x_tuner & TUNER_ONLY) == 0) {
1423                if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1424                                "FM801", chip)) {
1425                        snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1426                        snd_fm801_free(chip);
1427                        return -EBUSY;
1428                }
1429                chip->irq = pci->irq;
1430                pci_set_master(pci);
1431        }
1432
1433        if (pci->revision >= 0xb1)      /* FM801-AU */
1434                chip->multichannel = 1;
1435
1436        snd_fm801_chip_init(chip, 0);
1437        /* init might set tuner access method */
1438        tea575x_tuner = chip->tea575x_tuner;
1439
1440        if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1441                pci_clear_master(pci);
1442                free_irq(chip->irq, chip);
1443                chip->irq = -1;
1444        }
1445
1446        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1447                snd_fm801_free(chip);
1448                return err;
1449        }
1450
1451        snd_card_set_dev(card, &pci->dev);
1452
1453#ifdef TEA575X_RADIO
1454        if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1455            (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1456                chip->tea.dev_nr = tea575x_tuner >> 16;
1457                chip->tea.card = card;
1458                chip->tea.freq_fixup = 10700;
1459                chip->tea.private_data = chip;
1460                chip->tea.ops = &snd_fm801_tea_ops[(tea575x_tuner & TUNER_TYPE_MASK) - 1];
1461                snd_tea575x_init(&chip->tea);
1462        }
1463#endif
1464
1465        *rchip = chip;
1466        return 0;
1467}
1468
1469static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1470                                          const struct pci_device_id *pci_id)
1471{
1472        static int dev;
1473        struct snd_card *card;
1474        struct fm801 *chip;
1475        struct snd_opl3 *opl3;
1476        int err;
1477
1478        if (dev >= SNDRV_CARDS)
1479                return -ENODEV;
1480        if (!enable[dev]) {
1481                dev++;
1482                return -ENOENT;
1483        }
1484
1485        err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1486        if (err < 0)
1487                return err;
1488        if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], &chip)) < 0) {
1489                snd_card_free(card);
1490                return err;
1491        }
1492        card->private_data = chip;
1493
1494        strcpy(card->driver, "FM801");
1495        strcpy(card->shortname, "ForteMedia FM801-");
1496        strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1497        sprintf(card->longname, "%s at 0x%lx, irq %i",
1498                card->shortname, chip->port, chip->irq);
1499
1500        if (chip->tea575x_tuner & TUNER_ONLY)
1501                goto __fm801_tuner_only;
1502
1503        if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1504                snd_card_free(card);
1505                return err;
1506        }
1507        if ((err = snd_fm801_mixer(chip)) < 0) {
1508                snd_card_free(card);
1509                return err;
1510        }
1511        if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1512                                       FM801_REG(chip, MPU401_DATA),
1513                                       MPU401_INFO_INTEGRATED,
1514                                       chip->irq, 0, &chip->rmidi)) < 0) {
1515                snd_card_free(card);
1516                return err;
1517        }
1518        if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1519                                   FM801_REG(chip, OPL3_BANK1),
1520                                   OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1521                snd_card_free(card);
1522                return err;
1523        }
1524        if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1525                snd_card_free(card);
1526                return err;
1527        }
1528
1529      __fm801_tuner_only:
1530        if ((err = snd_card_register(card)) < 0) {
1531                snd_card_free(card);
1532                return err;
1533        }
1534        pci_set_drvdata(pci, card);
1535        dev++;
1536        return 0;
1537}
1538
1539static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1540{
1541        snd_card_free(pci_get_drvdata(pci));
1542        pci_set_drvdata(pci, NULL);
1543}
1544
1545#ifdef CONFIG_PM
1546static unsigned char saved_regs[] = {
1547        FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1548        FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1549        FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1550        FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1551};
1552
1553static int snd_fm801_suspend(struct pci_dev *pci, pm_message_t state)
1554{
1555        struct snd_card *card = pci_get_drvdata(pci);
1556        struct fm801 *chip = card->private_data;
1557        int i;
1558
1559        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1560        snd_pcm_suspend_all(chip->pcm);
1561        snd_ac97_suspend(chip->ac97);
1562        snd_ac97_suspend(chip->ac97_sec);
1563        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1564                chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1565        /* FIXME: tea575x suspend */
1566
1567        pci_disable_device(pci);
1568        pci_save_state(pci);
1569        pci_set_power_state(pci, pci_choose_state(pci, state));
1570        return 0;
1571}
1572
1573static int snd_fm801_resume(struct pci_dev *pci)
1574{
1575        struct snd_card *card = pci_get_drvdata(pci);
1576        struct fm801 *chip = card->private_data;
1577        int i;
1578
1579        pci_set_power_state(pci, PCI_D0);
1580        pci_restore_state(pci);
1581        if (pci_enable_device(pci) < 0) {
1582                printk(KERN_ERR "fm801: pci_enable_device failed, "
1583                       "disabling device\n");
1584                snd_card_disconnect(card);
1585                return -EIO;
1586        }
1587        pci_set_master(pci);
1588
1589        snd_fm801_chip_init(chip, 1);
1590        snd_ac97_resume(chip->ac97);
1591        snd_ac97_resume(chip->ac97_sec);
1592        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1593                outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1594
1595        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1596        return 0;
1597}
1598#endif
1599
1600static struct pci_driver driver = {
1601        .name = "FM801",
1602        .id_table = snd_fm801_ids,
1603        .probe = snd_card_fm801_probe,
1604        .remove = __devexit_p(snd_card_fm801_remove),
1605#ifdef CONFIG_PM
1606        .suspend = snd_fm801_suspend,
1607        .resume = snd_fm801_resume,
1608#endif
1609};
1610
1611static int __init alsa_card_fm801_init(void)
1612{
1613        return pci_register_driver(&driver);
1614}
1615
1616static void __exit alsa_card_fm801_exit(void)
1617{
1618        pci_unregister_driver(&driver);
1619}
1620
1621module_init(alsa_card_fm801_init)
1622module_exit(alsa_card_fm801_exit)
1623