sound/pci/fm801.c

   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
  44 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  45 MODULE_DESCRIPTION("ForteMedia FM801");
  46 MODULE_LICENSE("GPL");
  47 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  48                 "{Genius,SoundMaker Live 5.1}}");
  49
  50 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  51 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  52 static 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. SF-64-PCR FM card
  59  *  High 16-bits are video (radio) device number + 1
  60  */
  61 static int tea575x_tuner[SNDRV_CARDS];
  62
  63 module_param_array(index, int, NULL, 0444);
  64 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  65 module_param_array(id, charp, NULL, 0444);
  66 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  67 module_param_array(enable, bool, NULL, 0444);
  68 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  69 module_param_array(tea575x_tuner, int, NULL, 0444);
  70 MODULE_PARM_DESC(tea575x_tuner, "Enable TEA575x tuner.");
  71
  72 /*
  73  *  Direct registers
  74  */
  75
  76 #define FM801_REG(chip, reg)    (chip->port + FM801_##reg)
  77
  78 #define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  79 #define FM801_FM_VOL            0x02    /* FM Output Volume */
  80 #define FM801_I2S_VOL           0x04    /* I2S Volume */
  81 #define FM801_REC_SRC           0x06    /* Record Source */
  82 #define FM801_PLY_CTRL          0x08    /* Playback Control */
  83 #define FM801_PLY_COUNT         0x0a    /* Playback Count */
  84 #define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  85 #define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  86 #define FM801_CAP_CTRL          0x14    /* Capture Control */
  87 #define FM801_CAP_COUNT         0x16    /* Capture Count */
  88 #define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  89 #define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  90 #define FM801_CODEC_CTRL        0x22    /* Codec Control */
  91 #define FM801_I2S_MODE          0x24    /* I2S Mode Control */
  92 #define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
  93 #define FM801_I2C_CTRL          0x29    /* I2C Control */
  94 #define FM801_AC97_CMD          0x2a    /* AC'97 Command */
  95 #define FM801_AC97_DATA         0x2c    /* AC'97 Data */
  96 #define FM801_MPU401_DATA       0x30    /* MPU401 Data */
  97 #define FM801_MPU401_CMD        0x31    /* MPU401 Command */
  98 #define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
  99 #define FM801_GEN_CTRL          0x54    /* General Control */
 100 #define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
 101 #define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
 102 #define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
 103 #define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
 104 #define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
 105 #define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
 106 #define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
 107
 108 /* codec access */
 109 #define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
 110 #define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
 111 #define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
 112 #define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
 113
 114 /* playback and record control register bits */
 115 #define FM801_BUF1_LAST         (1<<1)
 116 #define FM801_BUF2_LAST         (1<<2)
 117 #define FM801_START             (1<<5)
 118 #define FM801_PAUSE             (1<<6)
 119 #define FM801_IMMED_STOP        (1<<7)
 120 #define FM801_RATE_SHIFT        8
 121 #define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 122 #define FM801_CHANNELS_4        (1<<12) /* playback only */
 123 #define FM801_CHANNELS_6        (2<<12) /* playback only */
 124 #define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 125 #define FM801_CHANNELS_MASK     (3<<12)
 126 #define FM801_16BIT             (1<<14)
 127 #define FM801_STEREO            (1<<15)
 128
 129 /* IRQ status bits */
 130 #define FM801_IRQ_PLAYBACK      (1<<8)
 131 #define FM801_IRQ_CAPTURE       (1<<9)
 132 #define FM801_IRQ_VOLUME        (1<<14)
 133 #define FM801_IRQ_MPU           (1<<15)
 134
 135 /* GPIO control register */
 136 #define FM801_GPIO_GP0          (1<<0)  /* read/write */
 137 #define FM801_GPIO_GP1          (1<<1)
 138 #define FM801_GPIO_GP2          (1<<2)
 139 #define FM801_GPIO_GP3          (1<<3)
 140 #define FM801_GPIO_GP(x)        (1<<(0+(x)))
 141 #define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 142 #define FM801_GPIO_GD1          (1<<9)
 143 #define FM801_GPIO_GD2          (1<<10)
 144 #define FM801_GPIO_GD3          (1<<11)
 145 #define FM801_GPIO_GD(x)        (1<<(8+(x)))
 146 #define FM801_GPIO_GS0          (1<<12) /* function select: */
 147 #define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 148 #define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 149 #define FM801_GPIO_GS3          (1<<15)
 150 #define FM801_GPIO_GS(x)        (1<<(12+(x)))
 151
 152 /*
 153
 154  */
 155
 156 struct fm801 {
 157         int irq;
 158
 159         unsigned long port;     /* I/O port number */
 160         unsigned int multichannel: 1,   /* multichannel support */
 161                      secondary: 1;      /* secondary codec */
 162         unsigned char secondary_addr;   /* address of the secondary codec */
 163         unsigned int tea575x_tuner;     /* tuner flags */
 164
 165         unsigned short ply_ctrl; /* playback control */
 166         unsigned short cap_ctrl; /* capture control */
 167
 168         unsigned long ply_buffer;
 169         unsigned int ply_buf;
 170         unsigned int ply_count;
 171         unsigned int ply_size;
 172         unsigned int ply_pos;
 173
 174         unsigned long cap_buffer;
 175         unsigned int cap_buf;
 176         unsigned int cap_count;
 177         unsigned int cap_size;
 178         unsigned int cap_pos;
 179
 180         struct snd_ac97_bus *ac97_bus;
 181         struct snd_ac97 *ac97;
 182         struct snd_ac97 *ac97_sec;
 183
 184         struct pci_dev *pci;
 185         struct snd_card *card;
 186         struct snd_pcm *pcm;
 187         struct snd_rawmidi *rmidi;
 188         struct snd_pcm_substream *playback_substream;
 189         struct snd_pcm_substream *capture_substream;
 190         unsigned int p_dma_size;
 191         unsigned int c_dma_size;
 192
 193         spinlock_t reg_lock;
 194         struct snd_info_entry *proc_entry;
 195
 196 #ifdef TEA575X_RADIO
 197         struct snd_tea575x tea;
 198 #endif
 199
 200 #ifdef CONFIG_PM
 201         u16 saved_regs[0x20];
 202 #endif
 203 };
 204
 205 static struct pci_device_id snd_fm801_ids[] = {
 206         { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 207         { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 208         { 0, }
 209 };
 210
 211 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 212
 213 /*
 214  *  common I/O routines
 215  */
 216
 217 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 218                                  unsigned short mask, unsigned short value)
 219 {
 220         int change;
 221         unsigned long flags;
 222         unsigned short old, new;
 223
 224         spin_lock_irqsave(&chip->reg_lock, flags);
 225         old = inw(chip->port + reg);
 226         new = (old & ~mask) | value;
 227         change = old != new;
 228         if (change)
 229                 outw(new, chip->port + reg);
 230         spin_unlock_irqrestore(&chip->reg_lock, flags);
 231         return change;
 232 }
 233
 234 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 235                                   unsigned short reg,
 236                                   unsigned short val)
 237 {
 238         struct fm801 *chip = ac97->private_data;
 239         int idx;
 240
 241         /*
 242          *  Wait until the codec interface is not ready..
 243          */
 244         for (idx = 0; idx < 100; idx++) {
 245                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 246                         goto ok1;
 247                 udelay(10);
 248         }
 249         snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 250         return;
 251
 252  ok1:
 253         /* write data and address */
 254         outw(val, FM801_REG(chip, AC97_DATA));
 255         outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
 256         /*
 257          *  Wait until the write command is not completed..
 258          */
 259         for (idx = 0; idx < 1000; idx++) {
 260                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 261                         return;
 262                 udelay(10);
 263         }
 264         snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 265 }
 266
 267 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 268 {
 269         struct fm801 *chip = ac97->private_data;
 270         int idx;
 271
 272         /*
 273          *  Wait until the codec interface is not ready..
 274          */
 275         for (idx = 0; idx < 100; idx++) {
 276                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 277                         goto ok1;
 278                 udelay(10);
 279         }
 280         snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 281         return 0;
 282
 283  ok1:
 284         /* read command */
 285         outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
 286              FM801_REG(chip, AC97_CMD));
 287         for (idx = 0; idx < 100; idx++) {
 288                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 289                         goto ok2;
 290                 udelay(10);
 291         }
 292         snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 293         return 0;
 294
 295  ok2:
 296         for (idx = 0; idx < 1000; idx++) {
 297                 if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
 298                         goto ok3;
 299                 udelay(10);
 300         }
 301         snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num);
 302         return 0;
 303
 304  ok3:
 305         return inw(FM801_REG(chip, AC97_DATA));
 306 }
 307
 308 static unsigned int rates[] = {
 309   5500,  8000,  9600, 11025,
 310   16000, 19200, 22050, 32000,
 311   38400, 44100, 48000
 312 };
 313
 314 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 315         .count = ARRAY_SIZE(rates),
 316         .list = rates,
 317         .mask = 0,
 318 };
 319
 320 static unsigned int channels[] = {
 321   2, 4, 6
 322 };
 323
 324 static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 325         .count = ARRAY_SIZE(channels),
 326         .list = channels,
 327         .mask = 0,
 328 };
 329
 330 /*
 331  *  Sample rate routines
 332  */
 333
 334 static unsigned short snd_fm801_rate_bits(unsigned int rate)
 335 {
 336         unsigned int idx;
 337
 338         for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 339                 if (rates[idx] == rate)
 340                         return idx;
 341         snd_BUG();
 342         return ARRAY_SIZE(rates) - 1;
 343 }
 344
 345 /*
 346  *  PCM part
 347  */
 348
 349 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 350                                       int cmd)
 351 {
 352         struct fm801 *chip = snd_pcm_substream_chip(substream);
 353
 354         spin_lock(&chip->reg_lock);
 355         switch (cmd) {
 356         case SNDRV_PCM_TRIGGER_START:
 357                 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 358                                      FM801_BUF2_LAST |
 359                                      FM801_PAUSE);
 360                 chip->ply_ctrl |= FM801_START |
 361                                    FM801_IMMED_STOP;
 362                 break;
 363         case SNDRV_PCM_TRIGGER_STOP:
 364                 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 365                 break;
 366         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 367         case SNDRV_PCM_TRIGGER_SUSPEND:
 368                 chip->ply_ctrl |= FM801_PAUSE;
 369                 break;
 370         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 371         case SNDRV_PCM_TRIGGER_RESUME:
 372                 chip->ply_ctrl &= ~FM801_PAUSE;
 373                 break;
 374         default:
 375                 spin_unlock(&chip->reg_lock);
 376                 snd_BUG();
 377                 return -EINVAL;
 378         }
 379         outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 380         spin_unlock(&chip->reg_lock);
 381         return 0;
 382 }
 383
 384 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 385                                      int cmd)
 386 {
 387         struct fm801 *chip = snd_pcm_substream_chip(substream);
 388
 389         spin_lock(&chip->reg_lock);
 390         switch (cmd) {
 391         case SNDRV_PCM_TRIGGER_START:
 392                 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 393                                      FM801_BUF2_LAST |
 394                                      FM801_PAUSE);
 395                 chip->cap_ctrl |= FM801_START |
 396                                    FM801_IMMED_STOP;
 397                 break;
 398         case SNDRV_PCM_TRIGGER_STOP:
 399                 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 400                 break;
 401         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 402         case SNDRV_PCM_TRIGGER_SUSPEND:
 403                 chip->cap_ctrl |= FM801_PAUSE;
 404                 break;
 405         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 406         case SNDRV_PCM_TRIGGER_RESUME:
 407                 chip->cap_ctrl &= ~FM801_PAUSE;
 408                 break;
 409         default:
 410                 spin_unlock(&chip->reg_lock);
 411                 snd_BUG();
 412                 return -EINVAL;
 413         }
 414         outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 415         spin_unlock(&chip->reg_lock);
 416         return 0;
 417 }
 418
 419 static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
 420                                struct snd_pcm_hw_params *hw_params)
 421 {
 422         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 423 }
 424
 425 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
 426 {
 427         return snd_pcm_lib_free_pages(substream);
 428 }
 429
 430 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 431 {
 432         struct fm801 *chip = snd_pcm_substream_chip(substream);
 433         struct snd_pcm_runtime *runtime = substream->runtime;
 434
 435         chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 436         chip->ply_count = snd_pcm_lib_period_bytes(substream);
 437         spin_lock_irq(&chip->reg_lock);
 438         chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 439                              FM801_STEREO | FM801_RATE_MASK |
 440                              FM801_CHANNELS_MASK);
 441         if (snd_pcm_format_width(runtime->format) == 16)
 442                 chip->ply_ctrl |= FM801_16BIT;
 443         if (runtime->channels > 1) {
 444                 chip->ply_ctrl |= FM801_STEREO;
 445                 if (runtime->channels == 4)
 446                         chip->ply_ctrl |= FM801_CHANNELS_4;
 447                 else if (runtime->channels == 6)
 448                         chip->ply_ctrl |= FM801_CHANNELS_6;
 449         }
 450         chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 451         chip->ply_buf = 0;
 452         outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 453         outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
 454         chip->ply_buffer = runtime->dma_addr;
 455         chip->ply_pos = 0;
 456         outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
 457         outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
 458         spin_unlock_irq(&chip->reg_lock);
 459         return 0;
 460 }
 461
 462 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 463 {
 464         struct fm801 *chip = snd_pcm_substream_chip(substream);
 465         struct snd_pcm_runtime *runtime = substream->runtime;
 466
 467         chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 468         chip->cap_count = snd_pcm_lib_period_bytes(substream);
 469         spin_lock_irq(&chip->reg_lock);
 470         chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 471                              FM801_STEREO | FM801_RATE_MASK);
 472         if (snd_pcm_format_width(runtime->format) == 16)
 473                 chip->cap_ctrl |= FM801_16BIT;
 474         if (runtime->channels > 1)
 475                 chip->cap_ctrl |= FM801_STEREO;
 476         chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 477         chip->cap_buf = 0;
 478         outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 479         outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
 480         chip->cap_buffer = runtime->dma_addr;
 481         chip->cap_pos = 0;
 482         outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
 483         outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
 484         spin_unlock_irq(&chip->reg_lock);
 485         return 0;
 486 }
 487
 488 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 489 {
 490         struct fm801 *chip = snd_pcm_substream_chip(substream);
 491         size_t ptr;
 492
 493         if (!(chip->ply_ctrl & FM801_START))
 494                 return 0;
 495         spin_lock(&chip->reg_lock);
 496         ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
 497         if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
 498                 ptr += chip->ply_count;
 499                 ptr %= chip->ply_size;
 500         }
 501         spin_unlock(&chip->reg_lock);
 502         return bytes_to_frames(substream->runtime, ptr);
 503 }
 504
 505 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 506 {
 507         struct fm801 *chip = snd_pcm_substream_chip(substream);
 508         size_t ptr;
 509
 510         if (!(chip->cap_ctrl & FM801_START))
 511                 return 0;
 512         spin_lock(&chip->reg_lock);
 513         ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
 514         if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
 515                 ptr += chip->cap_count;
 516                 ptr %= chip->cap_size;
 517         }
 518         spin_unlock(&chip->reg_lock);
 519         return bytes_to_frames(substream->runtime, ptr);
 520 }
 521
 522 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 523 {
 524         struct fm801 *chip = dev_id;
 525         unsigned short status;
 526         unsigned int tmp;
 527
 528         status = inw(FM801_REG(chip, IRQ_STATUS));
 529         status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 530         if (! status)
 531                 return IRQ_NONE;
 532         /* ack first */
 533         outw(status, FM801_REG(chip, IRQ_STATUS));
 534         if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 535                 spin_lock(&chip->reg_lock);
 536                 chip->ply_buf++;
 537                 chip->ply_pos += chip->ply_count;
 538                 chip->ply_pos %= chip->ply_size;
 539                 tmp = chip->ply_pos + chip->ply_count;
 540                 tmp %= chip->ply_size;
 541                 outl(chip->ply_buffer + tmp,
 542                                 (chip->ply_buf & 1) ?
 543                                         FM801_REG(chip, PLY_BUF1) :
 544                                         FM801_REG(chip, PLY_BUF2));
 545                 spin_unlock(&chip->reg_lock);
 546                 snd_pcm_period_elapsed(chip->playback_substream);
 547         }
 548         if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 549                 spin_lock(&chip->reg_lock);
 550                 chip->cap_buf++;
 551                 chip->cap_pos += chip->cap_count;
 552                 chip->cap_pos %= chip->cap_size;
 553                 tmp = chip->cap_pos + chip->cap_count;
 554                 tmp %= chip->cap_size;
 555                 outl(chip->cap_buffer + tmp,
 556                                 (chip->cap_buf & 1) ?
 557                                         FM801_REG(chip, CAP_BUF1) :
 558                                         FM801_REG(chip, CAP_BUF2));
 559                 spin_unlock(&chip->reg_lock);
 560                 snd_pcm_period_elapsed(chip->capture_substream);
 561         }
 562         if (chip->rmidi && (status & FM801_IRQ_MPU))
 563                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 564         if (status & FM801_IRQ_VOLUME)
 565                 ;/* TODO */
 566
 567         return IRQ_HANDLED;
 568 }
 569
 570 static struct snd_pcm_hardware snd_fm801_playback =
 571 {
 572         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 573                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 574                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 575                                  SNDRV_PCM_INFO_MMAP_VALID),
 576         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 577         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 578         .rate_min =             5500,
 579         .rate_max =             48000,
 580         .channels_min =         1,
 581         .channels_max =         2,
 582         .buffer_bytes_max =     (128*1024),
 583         .period_bytes_min =     64,
 584         .period_bytes_max =     (128*1024),
 585         .periods_min =          1,
 586         .periods_max =          1024,
 587         .fifo_size =            0,
 588 };
 589
 590 static struct snd_pcm_hardware snd_fm801_capture =
 591 {
 592         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 593                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 594                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 595                                  SNDRV_PCM_INFO_MMAP_VALID),
 596         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 597         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 598         .rate_min =             5500,
 599         .rate_max =             48000,
 600         .channels_min =         1,
 601         .channels_max =         2,
 602         .buffer_bytes_max =     (128*1024),
 603         .period_bytes_min =     64,
 604         .period_bytes_max =     (128*1024),
 605         .periods_min =          1,
 606         .periods_max =          1024,
 607         .fifo_size =            0,
 608 };
 609
 610 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 611 {
 612         struct fm801 *chip = snd_pcm_substream_chip(substream);
 613         struct snd_pcm_runtime *runtime = substream->runtime;
 614         int err;
 615
 616         chip->playback_substream = substream;
 617         runtime->hw = snd_fm801_playback;
 618         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 619                                    &hw_constraints_rates);
 620         if (chip->multichannel) {
 621                 runtime->hw.channels_max = 6;
 622                 snd_pcm_hw_constraint_list(runtime, 0,
 623                                            SNDRV_PCM_HW_PARAM_CHANNELS,
 624                                            &hw_constraints_channels);
 625         }
 626         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 627                 return err;
 628         return 0;
 629 }
 630
 631 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 632 {
 633         struct fm801 *chip = snd_pcm_substream_chip(substream);
 634         struct snd_pcm_runtime *runtime = substream->runtime;
 635         int err;
 636
 637         chip->capture_substream = substream;
 638         runtime->hw = snd_fm801_capture;
 639         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 640                                    &hw_constraints_rates);
 641         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 642                 return err;
 643         return 0;
 644 }
 645
 646 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 647 {
 648         struct fm801 *chip = snd_pcm_substream_chip(substream);
 649
 650         chip->playback_substream = NULL;
 651         return 0;
 652 }
 653
 654 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 655 {
 656         struct fm801 *chip = snd_pcm_substream_chip(substream);
 657
 658         chip->capture_substream = NULL;
 659         return 0;
 660 }
 661
 662 static struct snd_pcm_ops snd_fm801_playback_ops = {
 663         .open =         snd_fm801_playback_open,
 664         .close =        snd_fm801_playback_close,
 665         .ioctl =        snd_pcm_lib_ioctl,
 666         .hw_params =    snd_fm801_hw_params,
 667         .hw_free =      snd_fm801_hw_free,
 668         .prepare =      snd_fm801_playback_prepare,
 669         .trigger =      snd_fm801_playback_trigger,
 670         .pointer =      snd_fm801_playback_pointer,
 671 };
 672
 673 static struct snd_pcm_ops snd_fm801_capture_ops = {
 674         .open =         snd_fm801_capture_open,
 675         .close =        snd_fm801_capture_close,
 676         .ioctl =        snd_pcm_lib_ioctl,
 677         .hw_params =    snd_fm801_hw_params,
 678         .hw_free =      snd_fm801_hw_free,
 679         .prepare =      snd_fm801_capture_prepare,
 680         .trigger =      snd_fm801_capture_trigger,
 681         .pointer =      snd_fm801_capture_pointer,
 682 };
 683
 684 static int __devinit snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm ** rpcm)
 685 {
 686         struct snd_pcm *pcm;
 687         int err;
 688
 689         if (rpcm)
 690                 *rpcm = NULL;
 691         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 692                 return err;
 693
 694         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 695         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 696
 697         pcm->private_data = chip;
 698         pcm->info_flags = 0;
 699         strcpy(pcm->name, "FM801");
 700         chip->pcm = pcm;
 701
 702         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 703                                               snd_dma_pci_data(chip->pci),
 704                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 705
 706         if (rpcm)
 707                 *rpcm = pcm;
 708         return 0;
 709 }
 710
 711 /*
 712  *  TEA5757 radio
 713  */
 714
 715 #ifdef TEA575X_RADIO
 716
 717 /* 256PCS GPIO numbers */
 718 #define TEA_256PCS_DATA                 1
 719 #define TEA_256PCS_WRITE_ENABLE         2       /* inverted */
 720 #define TEA_256PCS_BUS_CLOCK            3
 721
 722 static void snd_fm801_tea575x_256pcs_write(struct snd_tea575x *tea, unsigned int val)
 723 {
 724         struct fm801 *chip = tea->private_data;
 725         unsigned short reg;
 726         int i = 25;
 727
 728         spin_lock_irq(&chip->reg_lock);
 729         reg = inw(FM801_REG(chip, GPIO_CTRL));
 730         /* use GPIO lines and set write enable bit */
 731         reg |= FM801_GPIO_GS(TEA_256PCS_DATA) |
 732                FM801_GPIO_GS(TEA_256PCS_WRITE_ENABLE) |
 733                FM801_GPIO_GS(TEA_256PCS_BUS_CLOCK);
 734         /* all of lines are in the write direction */
 735         /* clear data and clock lines */
 736         reg &= ~(FM801_GPIO_GD(TEA_256PCS_DATA) |
 737                  FM801_GPIO_GD(TEA_256PCS_WRITE_ENABLE) |
 738                  FM801_GPIO_GD(TEA_256PCS_BUS_CLOCK) |
 739                  FM801_GPIO_GP(TEA_256PCS_DATA) |
 740                  FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK) |
 741                  FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE));
 742         outw(reg, FM801_REG(chip, GPIO_CTRL));
 743         udelay(1);
 744
 745         while (i--) {
 746                 if (val & (1 << i))
 747                         reg |= FM801_GPIO_GP(TEA_256PCS_DATA);
 748                 else
 749                         reg &= ~FM801_GPIO_GP(TEA_256PCS_DATA);
 750                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 751                 udelay(1);
 752                 reg |= FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 753                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 754                 reg &= ~FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 755                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 756                 udelay(1);
 757         }
 758
 759         /* and reset the write enable bit */
 760         reg |= FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE) |
 761                FM801_GPIO_GP(TEA_256PCS_DATA);
 762         outw(reg, FM801_REG(chip, GPIO_CTRL));
 763         spin_unlock_irq(&chip->reg_lock);
 764 }
 765
 766 static unsigned int snd_fm801_tea575x_256pcs_read(struct snd_tea575x *tea)
 767 {
 768         struct fm801 *chip = tea->private_data;
 769         unsigned short reg;
 770         unsigned int val = 0;
 771         int i;
 772
 773         spin_lock_irq(&chip->reg_lock);
 774         reg = inw(FM801_REG(chip, GPIO_CTRL));
 775         /* use GPIO lines, set data direction to input */
 776         reg |= FM801_GPIO_GS(TEA_256PCS_DATA) |
 777                FM801_GPIO_GS(TEA_256PCS_WRITE_ENABLE) |
 778                FM801_GPIO_GS(TEA_256PCS_BUS_CLOCK) |
 779                FM801_GPIO_GD(TEA_256PCS_DATA) |
 780                FM801_GPIO_GP(TEA_256PCS_DATA) |
 781                FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE);
 782         /* all of lines are in the write direction, except data */
 783         /* clear data, write enable and clock lines */
 784         reg &= ~(FM801_GPIO_GD(TEA_256PCS_WRITE_ENABLE) |
 785                  FM801_GPIO_GD(TEA_256PCS_BUS_CLOCK) |
 786                  FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK));
 787
 788         for (i = 0; i < 24; i++) {
 789                 reg &= ~FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 790                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 791                 udelay(1);
 792                 reg |= FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 793                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 794                 udelay(1);
 795                 val <<= 1;
 796                 if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_256PCS_DATA))
 797                         val |= 1;
 798         }
 799
 800         spin_unlock_irq(&chip->reg_lock);
 801
 802         return val;
 803 }
 804
 805 /* 256PCPR GPIO numbers */
 806 #define TEA_256PCPR_BUS_CLOCK           0
 807 #define TEA_256PCPR_DATA                1
 808 #define TEA_256PCPR_WRITE_ENABLE        2       /* inverted */
 809
 810 static void snd_fm801_tea575x_256pcpr_write(struct snd_tea575x *tea, unsigned int val)
 811 {
 812         struct fm801 *chip = tea->private_data;
 813         unsigned short reg;
 814         int i = 25;
 815
 816         spin_lock_irq(&chip->reg_lock);
 817         reg = inw(FM801_REG(chip, GPIO_CTRL));
 818         /* use GPIO lines and set write enable bit */
 819         reg |= FM801_GPIO_GS(TEA_256PCPR_DATA) |
 820                FM801_GPIO_GS(TEA_256PCPR_WRITE_ENABLE) |
 821                FM801_GPIO_GS(TEA_256PCPR_BUS_CLOCK);
 822         /* all of lines are in the write direction */
 823         /* clear data and clock lines */
 824         reg &= ~(FM801_GPIO_GD(TEA_256PCPR_DATA) |
 825                  FM801_GPIO_GD(TEA_256PCPR_WRITE_ENABLE) |
 826                  FM801_GPIO_GD(TEA_256PCPR_BUS_CLOCK) |
 827                  FM801_GPIO_GP(TEA_256PCPR_DATA) |
 828                  FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK) |
 829                  FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE));
 830         outw(reg, FM801_REG(chip, GPIO_CTRL));
 831         udelay(1);
 832
 833         while (i--) {
 834                 if (val & (1 << i))
 835                         reg |= FM801_GPIO_GP(TEA_256PCPR_DATA);
 836                 else
 837                         reg &= ~FM801_GPIO_GP(TEA_256PCPR_DATA);
 838                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 839                 udelay(1);
 840                 reg |= FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 841                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 842                 reg &= ~FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 843                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 844                 udelay(1);
 845         }
 846
 847         /* and reset the write enable bit */
 848         reg |= FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE) |
 849                FM801_GPIO_GP(TEA_256PCPR_DATA);
 850         outw(reg, FM801_REG(chip, GPIO_CTRL));
 851         spin_unlock_irq(&chip->reg_lock);
 852 }
 853
 854 static unsigned int snd_fm801_tea575x_256pcpr_read(struct snd_tea575x *tea)
 855 {
 856         struct fm801 *chip = tea->private_data;
 857         unsigned short reg;
 858         unsigned int val = 0;
 859         int i;
 860
 861         spin_lock_irq(&chip->reg_lock);
 862         reg = inw(FM801_REG(chip, GPIO_CTRL));
 863         /* use GPIO lines, set data direction to input */
 864         reg |= FM801_GPIO_GS(TEA_256PCPR_DATA) |
 865                FM801_GPIO_GS(TEA_256PCPR_WRITE_ENABLE) |
 866                FM801_GPIO_GS(TEA_256PCPR_BUS_CLOCK) |
 867                FM801_GPIO_GD(TEA_256PCPR_DATA) |
 868                FM801_GPIO_GP(TEA_256PCPR_DATA) |
 869                FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE);
 870         /* all of lines are in the write direction, except data */
 871         /* clear data, write enable and clock lines */
 872         reg &= ~(FM801_GPIO_GD(TEA_256PCPR_WRITE_ENABLE) |
 873                  FM801_GPIO_GD(TEA_256PCPR_BUS_CLOCK) |
 874                  FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK));
 875
 876         for (i = 0; i < 24; i++) {
 877                 reg &= ~FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 878                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 879                 udelay(1);
 880                 reg |= FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 881                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 882                 udelay(1);
 883                 val <<= 1;
 884                 if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_256PCPR_DATA))
 885                         val |= 1;
 886         }
 887
 888         spin_unlock_irq(&chip->reg_lock);
 889
 890         return val;
 891 }
 892
 893 /* 64PCR GPIO numbers */
 894 #define TEA_64PCR_BUS_CLOCK             0
 895 #define TEA_64PCR_WRITE_ENABLE          1       /* inverted */
 896 #define TEA_64PCR_DATA                  2
 897
 898 static void snd_fm801_tea575x_64pcr_write(struct snd_tea575x *tea, unsigned int val)
 899 {
 900         struct fm801 *chip = tea->private_data;
 901         unsigned short reg;
 902         int i = 25;
 903
 904         spin_lock_irq(&chip->reg_lock);
 905         reg = inw(FM801_REG(chip, GPIO_CTRL));
 906         /* use GPIO lines and set write enable bit */
 907         reg |= FM801_GPIO_GS(TEA_64PCR_DATA) |
 908                FM801_GPIO_GS(TEA_64PCR_WRITE_ENABLE) |
 909                FM801_GPIO_GS(TEA_64PCR_BUS_CLOCK);
 910         /* all of lines are in the write direction */
 911         /* clear data and clock lines */
 912         reg &= ~(FM801_GPIO_GD(TEA_64PCR_DATA) |
 913                  FM801_GPIO_GD(TEA_64PCR_WRITE_ENABLE) |
 914                  FM801_GPIO_GD(TEA_64PCR_BUS_CLOCK) |
 915                  FM801_GPIO_GP(TEA_64PCR_DATA) |
 916                  FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK) |
 917                  FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE));
 918         outw(reg, FM801_REG(chip, GPIO_CTRL));
 919         udelay(1);
 920
 921         while (i--) {
 922                 if (val & (1 << i))
 923                         reg |= FM801_GPIO_GP(TEA_64PCR_DATA);
 924                 else
 925                         reg &= ~FM801_GPIO_GP(TEA_64PCR_DATA);
 926                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 927                 udelay(1);
 928                 reg |= FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 929                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 930                 reg &= ~FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 931                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 932                 udelay(1);
 933         }
 934
 935         /* and reset the write enable bit */
 936         reg |= FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE) |
 937                FM801_GPIO_GP(TEA_64PCR_DATA);
 938         outw(reg, FM801_REG(chip, GPIO_CTRL));
 939         spin_unlock_irq(&chip->reg_lock);
 940 }
 941
 942 static unsigned int snd_fm801_tea575x_64pcr_read(struct snd_tea575x *tea)
 943 {
 944         struct fm801 *chip = tea->private_data;
 945         unsigned short reg;
 946         unsigned int val = 0;
 947         int i;
 948
 949         spin_lock_irq(&chip->reg_lock);
 950         reg = inw(FM801_REG(chip, GPIO_CTRL));
 951         /* use GPIO lines, set data direction to input */
 952         reg |= FM801_GPIO_GS(TEA_64PCR_DATA) |
 953                FM801_GPIO_GS(TEA_64PCR_WRITE_ENABLE) |
 954                FM801_GPIO_GS(TEA_64PCR_BUS_CLOCK) |
 955                FM801_GPIO_GD(TEA_64PCR_DATA) |
 956                FM801_GPIO_GP(TEA_64PCR_DATA) |
 957                FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
 958         /* all of lines are in the write direction, except data */
 959         /* clear data, write enable and clock lines */
 960         reg &= ~(FM801_GPIO_GD(TEA_64PCR_WRITE_ENABLE) |
 961                  FM801_GPIO_GD(TEA_64PCR_BUS_CLOCK) |
 962                  FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK));
 963
 964         for (i = 0; i < 24; i++) {
 965                 reg &= ~FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 966                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 967                 udelay(1);
 968                 reg |= FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 969                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 970                 udelay(1);
 971                 val <<= 1;
 972                 if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_64PCR_DATA))
 973                         val |= 1;
 974         }
 975
 976         spin_unlock_irq(&chip->reg_lock);
 977
 978         return val;
 979 }
 980
 981 static void snd_fm801_tea575x_64pcr_mute(struct snd_tea575x *tea,
 982                                           unsigned int mute)
 983 {
 984         struct fm801 *chip = tea->private_data;
 985         unsigned short reg;
 986
 987         spin_lock_irq(&chip->reg_lock);
 988
 989         reg = inw(FM801_REG(chip, GPIO_CTRL));
 990         if (mute)
 991                 /* 0xf800 (mute) */
 992                 reg &= ~FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
 993         else
 994                 /* 0xf802 (unmute) */
 995                 reg |= FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
 996         outw(reg, FM801_REG(chip, GPIO_CTRL));
 997         udelay(1);
 998
 999         spin_unlock_irq(&chip->reg_lock);
1000 }
1001
1002 static struct snd_tea575x_ops snd_fm801_tea_ops[3] = {
1003         {
1004                 /* 1 = MediaForte 256-PCS */
1005                 .write = snd_fm801_tea575x_256pcs_write,
1006                 .read = snd_fm801_tea575x_256pcs_read,
1007         },
1008         {
1009                 /* 2 = MediaForte 256-PCPR */
1010                 .write = snd_fm801_tea575x_256pcpr_write,
1011                 .read = snd_fm801_tea575x_256pcpr_read,
1012         },
1013         {
1014                 /* 3 = MediaForte 64-PCR */
1015                 .write = snd_fm801_tea575x_64pcr_write,
1016                 .read = snd_fm801_tea575x_64pcr_read,
1017                 .mute = snd_fm801_tea575x_64pcr_mute,
1018         }
1019 };
1020 #endif
1021
1022 /*
1023  *  Mixer routines
1024  */
1025
1026 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
1027 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
1028   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
1029   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1030
1031 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
1032                                  struct snd_ctl_elem_info *uinfo)
1033 {
1034         int mask = (kcontrol->private_value >> 16) & 0xff;
1035
1036         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1037         uinfo->count = 1;
1038         uinfo->value.integer.min = 0;
1039         uinfo->value.integer.max = mask;
1040         return 0;
1041 }
1042
1043 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
1044                                 struct snd_ctl_elem_value *ucontrol)
1045 {
1046         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1047         int reg = kcontrol->private_value & 0xff;
1048         int shift = (kcontrol->private_value >> 8) & 0xff;
1049         int mask = (kcontrol->private_value >> 16) & 0xff;
1050         int invert = (kcontrol->private_value >> 24) & 0xff;
1051
1052         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
1053         if (invert)
1054                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1055         return 0;
1056 }
1057
1058 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
1059                                 struct snd_ctl_elem_value *ucontrol)
1060 {
1061         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1062         int reg = kcontrol->private_value & 0xff;
1063         int shift = (kcontrol->private_value >> 8) & 0xff;
1064         int mask = (kcontrol->private_value >> 16) & 0xff;
1065         int invert = (kcontrol->private_value >> 24) & 0xff;
1066         unsigned short val;
1067
1068         val = (ucontrol->value.integer.value[0] & mask);
1069         if (invert)
1070                 val = mask - val;
1071         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
1072 }
1073
1074 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
1075 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
1076   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
1077   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
1078 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
1079 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1080   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
1081   .name = xname, .info = snd_fm801_info_double, \
1082   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
1083   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
1084   .tlv = { .p = (xtlv) } }
1085
1086 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
1087                                  struct snd_ctl_elem_info *uinfo)
1088 {
1089         int mask = (kcontrol->private_value >> 16) & 0xff;
1090
1091         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1092         uinfo->count = 2;
1093         uinfo->value.integer.min = 0;
1094         uinfo->value.integer.max = mask;
1095         return 0;
1096 }
1097
1098 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
1099                                 struct snd_ctl_elem_value *ucontrol)
1100 {
1101         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1102         int reg = kcontrol->private_value & 0xff;
1103         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
1104         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
1105         int mask = (kcontrol->private_value >> 16) & 0xff;
1106         int invert = (kcontrol->private_value >> 24) & 0xff;
1107
1108         spin_lock_irq(&chip->reg_lock);
1109         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
1110         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
1111         spin_unlock_irq(&chip->reg_lock);
1112         if (invert) {
1113                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1114                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1115         }
1116         return 0;
1117 }
1118
1119 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
1120                                 struct snd_ctl_elem_value *ucontrol)
1121 {
1122         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1123         int reg = kcontrol->private_value & 0xff;
1124         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
1125         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
1126         int mask = (kcontrol->private_value >> 16) & 0xff;
1127         int invert = (kcontrol->private_value >> 24) & 0xff;
1128         unsigned short val1, val2;
1129
1130         val1 = ucontrol->value.integer.value[0] & mask;
1131         val2 = ucontrol->value.integer.value[1] & mask;
1132         if (invert) {
1133                 val1 = mask - val1;
1134                 val2 = mask - val2;
1135         }
1136         return snd_fm801_update_bits(chip, reg,
1137                                      (mask << shift_left) | (mask << shift_right),
1138                                      (val1 << shift_left ) | (val2 << shift_right));
1139 }
1140
1141 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
1142                               struct snd_ctl_elem_info *uinfo)
1143 {
1144         static char *texts[5] = {
1145                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
1146         };
1147
1148         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1149         uinfo->count = 1;
1150         uinfo->value.enumerated.items = 5;
1151         if (uinfo->value.enumerated.item > 4)
1152                 uinfo->value.enumerated.item = 4;
1153         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1154         return 0;
1155 }
1156
1157 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
1158                              struct snd_ctl_elem_value *ucontrol)
1159 {
1160         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1161         unsigned short val;
1162
1163         val = inw(FM801_REG(chip, REC_SRC)) & 7;
1164         if (val > 4)
1165                 val = 4;
1166         ucontrol->value.enumerated.item[0] = val;
1167         return 0;
1168 }
1169
1170 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
1171                              struct snd_ctl_elem_value *ucontrol)
1172 {
1173         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1174         unsigned short val;
1175
1176         if ((val = ucontrol->value.enumerated.item[0]) > 4)
1177                 return -EINVAL;
1178         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
1179 }
1180
1181 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
1182
1183 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
1184
1185 static struct snd_kcontrol_new snd_fm801_controls[] __devinitdata = {
1186 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1187                  db_scale_dsp),
1188 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1189 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1190                  db_scale_dsp),
1191 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1192 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1193                  db_scale_dsp),
1194 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1195 {
1196         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1197         .name = "Digital Capture Source",
1198         .info = snd_fm801_info_mux,
1199         .get = snd_fm801_get_mux,
1200         .put = snd_fm801_put_mux,
1201 }
1202 };
1203
1204 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1205
1206 static struct snd_kcontrol_new snd_fm801_controls_multi[] __devinitdata = {
1207 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1208 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1209 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1210 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1211 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1212 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1213 };
1214
1215 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1216 {
1217         struct fm801 *chip = bus->private_data;
1218         chip->ac97_bus = NULL;
1219 }
1220
1221 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1222 {
1223         struct fm801 *chip = ac97->private_data;
1224         if (ac97->num == 0) {
1225                 chip->ac97 = NULL;
1226         } else {
1227                 chip->ac97_sec = NULL;
1228         }
1229 }
1230
1231 static int __devinit snd_fm801_mixer(struct fm801 *chip)
1232 {
1233         struct snd_ac97_template ac97;
1234         unsigned int i;
1235         int err;
1236         static struct snd_ac97_bus_ops ops = {
1237                 .write = snd_fm801_codec_write,
1238                 .read = snd_fm801_codec_read,
1239         };
1240
1241         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1242                 return err;
1243         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1244
1245         memset(&ac97, 0, sizeof(ac97));
1246         ac97.private_data = chip;
1247         ac97.private_free = snd_fm801_mixer_free_ac97;
1248         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1249                 return err;
1250         if (chip->secondary) {
1251                 ac97.num = 1;
1252                 ac97.addr = chip->secondary_addr;
1253                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1254                         return err;
1255         }
1256         for (i = 0; i < FM801_CONTROLS; i++)
1257                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1258         if (chip->multichannel) {
1259                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1260                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1261         }
1262         return 0;
1263 }
1264
1265 /*
1266  *  initialization routines
1267  */
1268
1269 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1270                           unsigned short reg, unsigned long waits)
1271 {
1272         unsigned long timeout = jiffies + waits;
1273
1274         outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1275              FM801_REG(chip, AC97_CMD));
1276         udelay(5);
1277         do {
1278                 if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1279                     == FM801_AC97_VALID)
1280                         return 0;
1281                 schedule_timeout_uninterruptible(1);
1282         } while (time_after(timeout, jiffies));
1283         return -EIO;
1284 }
1285
1286 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1287 {
1288         unsigned short cmdw;
1289
1290         if (chip->tea575x_tuner & 0x0010)
1291                 goto __ac97_ok;
1292
1293         /* codec cold reset + AC'97 warm reset */
1294         outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1295         inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1296         udelay(100);
1297         outw(0, FM801_REG(chip, CODEC_CTRL));
1298
1299         if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0) {
1300                 snd_printk(KERN_ERR "Primary AC'97 codec not found\n");
1301                 if (! resume)
1302                         return -EIO;
1303         }
1304
1305         if (chip->multichannel) {
1306                 if (chip->secondary_addr) {
1307                         wait_for_codec(chip, chip->secondary_addr,
1308                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1309                 } else {
1310                         /* my card has the secondary codec */
1311                         /* at address #3, so the loop is inverted */
1312                         int i;
1313                         for (i = 3; i > 0; i--) {
1314                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1315                                                      msecs_to_jiffies(50))) {
1316                                         cmdw = inw(FM801_REG(chip, AC97_DATA));
1317                                         if (cmdw != 0xffff && cmdw != 0) {
1318                                                 chip->secondary = 1;
1319                                                 chip->secondary_addr = i;
1320                                                 break;
1321                                         }
1322                                 }
1323                         }
1324                 }
1325
1326                 /* the recovery phase, it seems that probing for non-existing codec might */
1327                 /* cause timeout problems */
1328                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1329         }
1330
1331       __ac97_ok:
1332
1333         /* init volume */
1334         outw(0x0808, FM801_REG(chip, PCM_VOL));
1335         outw(0x9f1f, FM801_REG(chip, FM_VOL));
1336         outw(0x8808, FM801_REG(chip, I2S_VOL));
1337
1338         /* I2S control - I2S mode */
1339         outw(0x0003, FM801_REG(chip, I2S_MODE));
1340
1341         /* interrupt setup */
1342         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1343         if (chip->irq < 0)
1344                 cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1345         else
1346                 cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1347         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1348
1349         /* interrupt clear */
1350         outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1351
1352         return 0;
1353 }
1354
1355
1356 static int snd_fm801_free(struct fm801 *chip)
1357 {
1358         unsigned short cmdw;
1359
1360         if (chip->irq < 0)
1361                 goto __end_hw;
1362
1363         /* interrupt setup - mask everything */
1364         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1365         cmdw |= 0x00c3;
1366         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1367
1368       __end_hw:
1369 #ifdef TEA575X_RADIO
1370         snd_tea575x_exit(&chip->tea);
1371 #endif
1372         if (chip->irq >= 0)
1373                 free_irq(chip->irq, chip);
1374         pci_release_regions(chip->pci);
1375         pci_disable_device(chip->pci);
1376
1377         kfree(chip);
1378         return 0;
1379 }
1380
1381 static int snd_fm801_dev_free(struct snd_device *device)
1382 {
1383         struct fm801 *chip = device->device_data;
1384         return snd_fm801_free(chip);
1385 }
1386
1387 static int __devinit snd_fm801_create(struct snd_card *card,
1388                                       struct pci_dev * pci,
1389                                       int tea575x_tuner,
1390                                       struct fm801 ** rchip)
1391 {
1392         struct fm801 *chip;
1393         int err;
1394         static struct snd_device_ops ops = {
1395                 .dev_free =     snd_fm801_dev_free,
1396         };
1397
1398         *rchip = NULL;
1399         if ((err = pci_enable_device(pci)) < 0)
1400                 return err;
1401         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1402         if (chip == NULL) {
1403                 pci_disable_device(pci);
1404                 return -ENOMEM;
1405         }
1406         spin_lock_init(&chip->reg_lock);
1407         chip->card = card;
1408         chip->pci = pci;
1409         chip->irq = -1;
1410         chip->tea575x_tuner = tea575x_tuner;
1411         if ((err = pci_request_regions(pci, "FM801")) < 0) {
1412                 kfree(chip);
1413                 pci_disable_device(pci);
1414                 return err;
1415         }
1416         chip->port = pci_resource_start(pci, 0);
1417         if ((tea575x_tuner & 0x0010) == 0) {
1418                 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1419                                 "FM801", chip)) {
1420                         snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1421                         snd_fm801_free(chip);
1422                         return -EBUSY;
1423                 }
1424                 chip->irq = pci->irq;
1425                 pci_set_master(pci);
1426         }
1427
1428         if (pci->revision >= 0xb1)      /* FM801-AU */
1429                 chip->multichannel = 1;
1430
1431         snd_fm801_chip_init(chip, 0);
1432
1433         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1434                 snd_fm801_free(chip);
1435                 return err;
1436         }
1437
1438         snd_card_set_dev(card, &pci->dev);
1439
1440 #ifdef TEA575X_RADIO
1441         if (tea575x_tuner > 0 && (tea575x_tuner & 0x000f) < 4) {
1442                 chip->tea.dev_nr = tea575x_tuner >> 16;
1443                 chip->tea.card = card;
1444                 chip->tea.freq_fixup = 10700;
1445                 chip->tea.private_data = chip;
1446                 chip->tea.ops = &snd_fm801_tea_ops[(tea575x_tuner & 0x000f) - 1];
1447                 snd_tea575x_init(&chip->tea);
1448         }
1449 #endif
1450
1451         *rchip = chip;
1452         return 0;
1453 }
1454
1455 static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1456                                           const struct pci_device_id *pci_id)
1457 {
1458         static int dev;
1459         struct snd_card *card;
1460         struct fm801 *chip;
1461         struct snd_opl3 *opl3;
1462         int err;
1463
1464         if (dev >= SNDRV_CARDS)
1465                 return -ENODEV;
1466         if (!enable[dev]) {
1467                 dev++;
1468                 return -ENOENT;
1469         }
1470
1471         err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1472         if (err < 0)
1473                 return err;
1474         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], &chip)) < 0) {
1475                 snd_card_free(card);
1476                 return err;
1477         }
1478         card->private_data = chip;
1479
1480         strcpy(card->driver, "FM801");
1481         strcpy(card->shortname, "ForteMedia FM801-");
1482         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1483         sprintf(card->longname, "%s at 0x%lx, irq %i",
1484                 card->shortname, chip->port, chip->irq);
1485
1486         if (tea575x_tuner[dev] & 0x0010)
1487                 goto __fm801_tuner_only;
1488
1489         if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1490                 snd_card_free(card);
1491                 return err;
1492         }
1493         if ((err = snd_fm801_mixer(chip)) < 0) {
1494                 snd_card_free(card);
1495                 return err;
1496         }
1497         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1498                                        FM801_REG(chip, MPU401_DATA),
1499                                        MPU401_INFO_INTEGRATED,
1500                                        chip->irq, 0, &chip->rmidi)) < 0) {
1501                 snd_card_free(card);
1502                 return err;
1503         }
1504         if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1505                                    FM801_REG(chip, OPL3_BANK1),
1506                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1507                 snd_card_free(card);
1508                 return err;
1509         }
1510         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1511                 snd_card_free(card);
1512                 return err;
1513         }
1514
1515       __fm801_tuner_only:
1516         if ((err = snd_card_register(card)) < 0) {
1517                 snd_card_free(card);
1518                 return err;
1519         }
1520         pci_set_drvdata(pci, card);
1521         dev++;
1522         return 0;
1523 }
1524
1525 static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1526 {
1527         snd_card_free(pci_get_drvdata(pci));
1528         pci_set_drvdata(pci, NULL);
1529 }
1530
1531 #ifdef CONFIG_PM
1532 static unsigned char saved_regs[] = {
1533         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1534         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1535         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1536         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1537 };
1538
1539 static int snd_fm801_suspend(struct pci_dev *pci, pm_message_t state)
1540 {
1541         struct snd_card *card = pci_get_drvdata(pci);
1542         struct fm801 *chip = card->private_data;
1543         int i;
1544
1545         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1546         snd_pcm_suspend_all(chip->pcm);
1547         snd_ac97_suspend(chip->ac97);
1548         snd_ac97_suspend(chip->ac97_sec);
1549         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1550                 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1551         /* FIXME: tea575x suspend */
1552
1553         pci_disable_device(pci);
1554         pci_save_state(pci);
1555         pci_set_power_state(pci, pci_choose_state(pci, state));
1556         return 0;
1557 }
1558
1559 static int snd_fm801_resume(struct pci_dev *pci)
1560 {
1561         struct snd_card *card = pci_get_drvdata(pci);
1562         struct fm801 *chip = card->private_data;
1563         int i;
1564
1565         pci_set_power_state(pci, PCI_D0);
1566         pci_restore_state(pci);
1567         if (pci_enable_device(pci) < 0) {
1568                 printk(KERN_ERR "fm801: pci_enable_device failed, "
1569                        "disabling device\n");
1570                 snd_card_disconnect(card);
1571                 return -EIO;
1572         }
1573         pci_set_master(pci);
1574
1575         snd_fm801_chip_init(chip, 1);
1576         snd_ac97_resume(chip->ac97);
1577         snd_ac97_resume(chip->ac97_sec);
1578         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1579                 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1580
1581         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1582         return 0;
1583 }
1584 #endif
1585
1586 static struct pci_driver driver = {
1587         .name = "FM801",
1588         .id_table = snd_fm801_ids,
1589         .probe = snd_card_fm801_probe,
1590         .remove = __devexit_p(snd_card_fm801_remove),
1591 #ifdef CONFIG_PM
1592         .suspend = snd_fm801_suspend,
1593         .resume = snd_fm801_resume,
1594 #endif
1595 };
1596
1597 static int __init alsa_card_fm801_init(void)
1598 {
1599         return pci_register_driver(&driver);
1600 }
1601
1602 static void __exit alsa_card_fm801_exit(void)
1603 {
1604         pci_unregister_driver(&driver);
1605 }
1606
1607 module_init(alsa_card_fm801_init)
1608 module_exit(alsa_card_fm801_exit)