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/module.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 <media/tea575x.h>
  41 #endif
  42
  43 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  44 MODULE_DESCRIPTION("ForteMedia FM801");
  45 MODULE_LICENSE("GPL");
  46 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  47                 "{Genius,SoundMaker Live 5.1}}");
  48
  49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  51 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  52 /*
  53  *  Enable TEA575x tuner
  54  *    1 = MediaForte 256-PCS
  55  *    2 = MediaForte 256-PCP
  56  *    3 = MediaForte 64-PCR
  57  *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  58  *  High 16-bits are video (radio) device number + 1
  59  */
  60 static int tea575x_tuner[SNDRV_CARDS];
  61 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  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, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
  71 module_param_array(radio_nr, int, NULL, 0444);
  72 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
  73
  74
  75 #define TUNER_DISABLED          (1<<3)
  76 #define TUNER_ONLY              (1<<4)
  77 #define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
  78
  79 /*
  80  *  Direct registers
  81  */
  82
  83 #define FM801_REG(chip, reg)    (chip->port + FM801_##reg)
  84
  85 #define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  86 #define FM801_FM_VOL            0x02    /* FM Output Volume */
  87 #define FM801_I2S_VOL           0x04    /* I2S Volume */
  88 #define FM801_REC_SRC           0x06    /* Record Source */
  89 #define FM801_PLY_CTRL          0x08    /* Playback Control */
  90 #define FM801_PLY_COUNT         0x0a    /* Playback Count */
  91 #define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  92 #define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  93 #define FM801_CAP_CTRL          0x14    /* Capture Control */
  94 #define FM801_CAP_COUNT         0x16    /* Capture Count */
  95 #define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  96 #define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  97 #define FM801_CODEC_CTRL        0x22    /* Codec Control */
  98 #define FM801_I2S_MODE          0x24    /* I2S Mode Control */
  99 #define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
 100 #define FM801_I2C_CTRL          0x29    /* I2C Control */
 101 #define FM801_AC97_CMD          0x2a    /* AC'97 Command */
 102 #define FM801_AC97_DATA         0x2c    /* AC'97 Data */
 103 #define FM801_MPU401_DATA       0x30    /* MPU401 Data */
 104 #define FM801_MPU401_CMD        0x31    /* MPU401 Command */
 105 #define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
 106 #define FM801_GEN_CTRL          0x54    /* General Control */
 107 #define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
 108 #define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
 109 #define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
 110 #define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
 111 #define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
 112 #define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
 113 #define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
 114
 115 /* codec access */
 116 #define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
 117 #define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
 118 #define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
 119 #define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
 120
 121 /* playback and record control register bits */
 122 #define FM801_BUF1_LAST         (1<<1)
 123 #define FM801_BUF2_LAST         (1<<2)
 124 #define FM801_START             (1<<5)
 125 #define FM801_PAUSE             (1<<6)
 126 #define FM801_IMMED_STOP        (1<<7)
 127 #define FM801_RATE_SHIFT        8
 128 #define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 129 #define FM801_CHANNELS_4        (1<<12) /* playback only */
 130 #define FM801_CHANNELS_6        (2<<12) /* playback only */
 131 #define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 132 #define FM801_CHANNELS_MASK     (3<<12)
 133 #define FM801_16BIT             (1<<14)
 134 #define FM801_STEREO            (1<<15)
 135
 136 /* IRQ status bits */
 137 #define FM801_IRQ_PLAYBACK      (1<<8)
 138 #define FM801_IRQ_CAPTURE       (1<<9)
 139 #define FM801_IRQ_VOLUME        (1<<14)
 140 #define FM801_IRQ_MPU           (1<<15)
 141
 142 /* GPIO control register */
 143 #define FM801_GPIO_GP0          (1<<0)  /* read/write */
 144 #define FM801_GPIO_GP1          (1<<1)
 145 #define FM801_GPIO_GP2          (1<<2)
 146 #define FM801_GPIO_GP3          (1<<3)
 147 #define FM801_GPIO_GP(x)        (1<<(0+(x)))
 148 #define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 149 #define FM801_GPIO_GD1          (1<<9)
 150 #define FM801_GPIO_GD2          (1<<10)
 151 #define FM801_GPIO_GD3          (1<<11)
 152 #define FM801_GPIO_GD(x)        (1<<(8+(x)))
 153 #define FM801_GPIO_GS0          (1<<12) /* function select: */
 154 #define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 155 #define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 156 #define FM801_GPIO_GS3          (1<<15)
 157 #define FM801_GPIO_GS(x)        (1<<(12+(x)))
 158
 159 /*
 160
 161  */
 162
 163 struct fm801 {
 164         int irq;
 165
 166         unsigned long port;     /* I/O port number */
 167         unsigned int multichannel: 1,   /* multichannel support */
 168                      secondary: 1;      /* secondary codec */
 169         unsigned char secondary_addr;   /* address of the secondary codec */
 170         unsigned int tea575x_tuner;     /* tuner access method & flags */
 171
 172         unsigned short ply_ctrl; /* playback control */
 173         unsigned short cap_ctrl; /* capture control */
 174
 175         unsigned long ply_buffer;
 176         unsigned int ply_buf;
 177         unsigned int ply_count;
 178         unsigned int ply_size;
 179         unsigned int ply_pos;
 180
 181         unsigned long cap_buffer;
 182         unsigned int cap_buf;
 183         unsigned int cap_count;
 184         unsigned int cap_size;
 185         unsigned int cap_pos;
 186
 187         struct snd_ac97_bus *ac97_bus;
 188         struct snd_ac97 *ac97;
 189         struct snd_ac97 *ac97_sec;
 190
 191         struct pci_dev *pci;
 192         struct snd_card *card;
 193         struct snd_pcm *pcm;
 194         struct snd_rawmidi *rmidi;
 195         struct snd_pcm_substream *playback_substream;
 196         struct snd_pcm_substream *capture_substream;
 197         unsigned int p_dma_size;
 198         unsigned int c_dma_size;
 199
 200         spinlock_t reg_lock;
 201         struct snd_info_entry *proc_entry;
 202
 203 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 204         struct v4l2_device v4l2_dev;
 205         struct snd_tea575x tea;
 206 #endif
 207
 208 #ifdef CONFIG_PM_SLEEP
 209         u16 saved_regs[0x20];
 210 #endif
 211 };
 212
 213 static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
 214         { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 215         { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 216         { 0, }
 217 };
 218
 219 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 220
 221 /*
 222  *  common I/O routines
 223  */
 224
 225 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 226                                  unsigned short mask, unsigned short value)
 227 {
 228         int change;
 229         unsigned long flags;
 230         unsigned short old, new;
 231
 232         spin_lock_irqsave(&chip->reg_lock, flags);
 233         old = inw(chip->port + reg);
 234         new = (old & ~mask) | value;
 235         change = old != new;
 236         if (change)
 237                 outw(new, chip->port + reg);
 238         spin_unlock_irqrestore(&chip->reg_lock, flags);
 239         return change;
 240 }
 241
 242 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 243                                   unsigned short reg,
 244                                   unsigned short val)
 245 {
 246         struct fm801 *chip = ac97->private_data;
 247         int idx;
 248
 249         /*
 250          *  Wait until the codec interface is not ready..
 251          */
 252         for (idx = 0; idx < 100; idx++) {
 253                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 254                         goto ok1;
 255                 udelay(10);
 256         }
 257         snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 258         return;
 259
 260  ok1:
 261         /* write data and address */
 262         outw(val, FM801_REG(chip, AC97_DATA));
 263         outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
 264         /*
 265          *  Wait until the write command is not completed..
 266          */
 267         for (idx = 0; idx < 1000; idx++) {
 268                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 269                         return;
 270                 udelay(10);
 271         }
 272         snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 273 }
 274
 275 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 276 {
 277         struct fm801 *chip = ac97->private_data;
 278         int idx;
 279
 280         /*
 281          *  Wait until the codec interface is not ready..
 282          */
 283         for (idx = 0; idx < 100; idx++) {
 284                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 285                         goto ok1;
 286                 udelay(10);
 287         }
 288         snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 289         return 0;
 290
 291  ok1:
 292         /* read command */
 293         outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
 294              FM801_REG(chip, AC97_CMD));
 295         for (idx = 0; idx < 100; idx++) {
 296                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 297                         goto ok2;
 298                 udelay(10);
 299         }
 300         snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 301         return 0;
 302
 303  ok2:
 304         for (idx = 0; idx < 1000; idx++) {
 305                 if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
 306                         goto ok3;
 307                 udelay(10);
 308         }
 309         snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num);
 310         return 0;
 311
 312  ok3:
 313         return inw(FM801_REG(chip, AC97_DATA));
 314 }
 315
 316 static unsigned int rates[] = {
 317   5500,  8000,  9600, 11025,
 318   16000, 19200, 22050, 32000,
 319   38400, 44100, 48000
 320 };
 321
 322 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 323         .count = ARRAY_SIZE(rates),
 324         .list = rates,
 325         .mask = 0,
 326 };
 327
 328 static unsigned int channels[] = {
 329   2, 4, 6
 330 };
 331
 332 static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 333         .count = ARRAY_SIZE(channels),
 334         .list = channels,
 335         .mask = 0,
 336 };
 337
 338 /*
 339  *  Sample rate routines
 340  */
 341
 342 static unsigned short snd_fm801_rate_bits(unsigned int rate)
 343 {
 344         unsigned int idx;
 345
 346         for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 347                 if (rates[idx] == rate)
 348                         return idx;
 349         snd_BUG();
 350         return ARRAY_SIZE(rates) - 1;
 351 }
 352
 353 /*
 354  *  PCM part
 355  */
 356
 357 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 358                                       int cmd)
 359 {
 360         struct fm801 *chip = snd_pcm_substream_chip(substream);
 361
 362         spin_lock(&chip->reg_lock);
 363         switch (cmd) {
 364         case SNDRV_PCM_TRIGGER_START:
 365                 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 366                                      FM801_BUF2_LAST |
 367                                      FM801_PAUSE);
 368                 chip->ply_ctrl |= FM801_START |
 369                                    FM801_IMMED_STOP;
 370                 break;
 371         case SNDRV_PCM_TRIGGER_STOP:
 372                 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 373                 break;
 374         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 375         case SNDRV_PCM_TRIGGER_SUSPEND:
 376                 chip->ply_ctrl |= FM801_PAUSE;
 377                 break;
 378         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 379         case SNDRV_PCM_TRIGGER_RESUME:
 380                 chip->ply_ctrl &= ~FM801_PAUSE;
 381                 break;
 382         default:
 383                 spin_unlock(&chip->reg_lock);
 384                 snd_BUG();
 385                 return -EINVAL;
 386         }
 387         outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 388         spin_unlock(&chip->reg_lock);
 389         return 0;
 390 }
 391
 392 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 393                                      int cmd)
 394 {
 395         struct fm801 *chip = snd_pcm_substream_chip(substream);
 396
 397         spin_lock(&chip->reg_lock);
 398         switch (cmd) {
 399         case SNDRV_PCM_TRIGGER_START:
 400                 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 401                                      FM801_BUF2_LAST |
 402                                      FM801_PAUSE);
 403                 chip->cap_ctrl |= FM801_START |
 404                                    FM801_IMMED_STOP;
 405                 break;
 406         case SNDRV_PCM_TRIGGER_STOP:
 407                 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 408                 break;
 409         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 410         case SNDRV_PCM_TRIGGER_SUSPEND:
 411                 chip->cap_ctrl |= FM801_PAUSE;
 412                 break;
 413         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 414         case SNDRV_PCM_TRIGGER_RESUME:
 415                 chip->cap_ctrl &= ~FM801_PAUSE;
 416                 break;
 417         default:
 418                 spin_unlock(&chip->reg_lock);
 419                 snd_BUG();
 420                 return -EINVAL;
 421         }
 422         outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 423         spin_unlock(&chip->reg_lock);
 424         return 0;
 425 }
 426
 427 static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
 428                                struct snd_pcm_hw_params *hw_params)
 429 {
 430         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 431 }
 432
 433 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
 434 {
 435         return snd_pcm_lib_free_pages(substream);
 436 }
 437
 438 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 439 {
 440         struct fm801 *chip = snd_pcm_substream_chip(substream);
 441         struct snd_pcm_runtime *runtime = substream->runtime;
 442
 443         chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 444         chip->ply_count = snd_pcm_lib_period_bytes(substream);
 445         spin_lock_irq(&chip->reg_lock);
 446         chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 447                              FM801_STEREO | FM801_RATE_MASK |
 448                              FM801_CHANNELS_MASK);
 449         if (snd_pcm_format_width(runtime->format) == 16)
 450                 chip->ply_ctrl |= FM801_16BIT;
 451         if (runtime->channels > 1) {
 452                 chip->ply_ctrl |= FM801_STEREO;
 453                 if (runtime->channels == 4)
 454                         chip->ply_ctrl |= FM801_CHANNELS_4;
 455                 else if (runtime->channels == 6)
 456                         chip->ply_ctrl |= FM801_CHANNELS_6;
 457         }
 458         chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 459         chip->ply_buf = 0;
 460         outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 461         outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
 462         chip->ply_buffer = runtime->dma_addr;
 463         chip->ply_pos = 0;
 464         outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
 465         outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
 466         spin_unlock_irq(&chip->reg_lock);
 467         return 0;
 468 }
 469
 470 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 471 {
 472         struct fm801 *chip = snd_pcm_substream_chip(substream);
 473         struct snd_pcm_runtime *runtime = substream->runtime;
 474
 475         chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 476         chip->cap_count = snd_pcm_lib_period_bytes(substream);
 477         spin_lock_irq(&chip->reg_lock);
 478         chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 479                              FM801_STEREO | FM801_RATE_MASK);
 480         if (snd_pcm_format_width(runtime->format) == 16)
 481                 chip->cap_ctrl |= FM801_16BIT;
 482         if (runtime->channels > 1)
 483                 chip->cap_ctrl |= FM801_STEREO;
 484         chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 485         chip->cap_buf = 0;
 486         outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 487         outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
 488         chip->cap_buffer = runtime->dma_addr;
 489         chip->cap_pos = 0;
 490         outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
 491         outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
 492         spin_unlock_irq(&chip->reg_lock);
 493         return 0;
 494 }
 495
 496 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 497 {
 498         struct fm801 *chip = snd_pcm_substream_chip(substream);
 499         size_t ptr;
 500
 501         if (!(chip->ply_ctrl & FM801_START))
 502                 return 0;
 503         spin_lock(&chip->reg_lock);
 504         ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
 505         if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
 506                 ptr += chip->ply_count;
 507                 ptr %= chip->ply_size;
 508         }
 509         spin_unlock(&chip->reg_lock);
 510         return bytes_to_frames(substream->runtime, ptr);
 511 }
 512
 513 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 514 {
 515         struct fm801 *chip = snd_pcm_substream_chip(substream);
 516         size_t ptr;
 517
 518         if (!(chip->cap_ctrl & FM801_START))
 519                 return 0;
 520         spin_lock(&chip->reg_lock);
 521         ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
 522         if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
 523                 ptr += chip->cap_count;
 524                 ptr %= chip->cap_size;
 525         }
 526         spin_unlock(&chip->reg_lock);
 527         return bytes_to_frames(substream->runtime, ptr);
 528 }
 529
 530 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 531 {
 532         struct fm801 *chip = dev_id;
 533         unsigned short status;
 534         unsigned int tmp;
 535
 536         status = inw(FM801_REG(chip, IRQ_STATUS));
 537         status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 538         if (! status)
 539                 return IRQ_NONE;
 540         /* ack first */
 541         outw(status, FM801_REG(chip, IRQ_STATUS));
 542         if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 543                 spin_lock(&chip->reg_lock);
 544                 chip->ply_buf++;
 545                 chip->ply_pos += chip->ply_count;
 546                 chip->ply_pos %= chip->ply_size;
 547                 tmp = chip->ply_pos + chip->ply_count;
 548                 tmp %= chip->ply_size;
 549                 outl(chip->ply_buffer + tmp,
 550                                 (chip->ply_buf & 1) ?
 551                                         FM801_REG(chip, PLY_BUF1) :
 552                                         FM801_REG(chip, PLY_BUF2));
 553                 spin_unlock(&chip->reg_lock);
 554                 snd_pcm_period_elapsed(chip->playback_substream);
 555         }
 556         if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 557                 spin_lock(&chip->reg_lock);
 558                 chip->cap_buf++;
 559                 chip->cap_pos += chip->cap_count;
 560                 chip->cap_pos %= chip->cap_size;
 561                 tmp = chip->cap_pos + chip->cap_count;
 562                 tmp %= chip->cap_size;
 563                 outl(chip->cap_buffer + tmp,
 564                                 (chip->cap_buf & 1) ?
 565                                         FM801_REG(chip, CAP_BUF1) :
 566                                         FM801_REG(chip, CAP_BUF2));
 567                 spin_unlock(&chip->reg_lock);
 568                 snd_pcm_period_elapsed(chip->capture_substream);
 569         }
 570         if (chip->rmidi && (status & FM801_IRQ_MPU))
 571                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 572         if (status & FM801_IRQ_VOLUME)
 573                 ;/* TODO */
 574
 575         return IRQ_HANDLED;
 576 }
 577
 578 static struct snd_pcm_hardware snd_fm801_playback =
 579 {
 580         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 581                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 582                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 583                                  SNDRV_PCM_INFO_MMAP_VALID),
 584         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 585         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 586         .rate_min =             5500,
 587         .rate_max =             48000,
 588         .channels_min =         1,
 589         .channels_max =         2,
 590         .buffer_bytes_max =     (128*1024),
 591         .period_bytes_min =     64,
 592         .period_bytes_max =     (128*1024),
 593         .periods_min =          1,
 594         .periods_max =          1024,
 595         .fifo_size =            0,
 596 };
 597
 598 static struct snd_pcm_hardware snd_fm801_capture =
 599 {
 600         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 601                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 602                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 603                                  SNDRV_PCM_INFO_MMAP_VALID),
 604         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 605         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 606         .rate_min =             5500,
 607         .rate_max =             48000,
 608         .channels_min =         1,
 609         .channels_max =         2,
 610         .buffer_bytes_max =     (128*1024),
 611         .period_bytes_min =     64,
 612         .period_bytes_max =     (128*1024),
 613         .periods_min =          1,
 614         .periods_max =          1024,
 615         .fifo_size =            0,
 616 };
 617
 618 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 619 {
 620         struct fm801 *chip = snd_pcm_substream_chip(substream);
 621         struct snd_pcm_runtime *runtime = substream->runtime;
 622         int err;
 623
 624         chip->playback_substream = substream;
 625         runtime->hw = snd_fm801_playback;
 626         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 627                                    &hw_constraints_rates);
 628         if (chip->multichannel) {
 629                 runtime->hw.channels_max = 6;
 630                 snd_pcm_hw_constraint_list(runtime, 0,
 631                                            SNDRV_PCM_HW_PARAM_CHANNELS,
 632                                            &hw_constraints_channels);
 633         }
 634         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 635                 return err;
 636         return 0;
 637 }
 638
 639 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 640 {
 641         struct fm801 *chip = snd_pcm_substream_chip(substream);
 642         struct snd_pcm_runtime *runtime = substream->runtime;
 643         int err;
 644
 645         chip->capture_substream = substream;
 646         runtime->hw = snd_fm801_capture;
 647         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 648                                    &hw_constraints_rates);
 649         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 650                 return err;
 651         return 0;
 652 }
 653
 654 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 655 {
 656         struct fm801 *chip = snd_pcm_substream_chip(substream);
 657
 658         chip->playback_substream = NULL;
 659         return 0;
 660 }
 661
 662 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 663 {
 664         struct fm801 *chip = snd_pcm_substream_chip(substream);
 665
 666         chip->capture_substream = NULL;
 667         return 0;
 668 }
 669
 670 static struct snd_pcm_ops snd_fm801_playback_ops = {
 671         .open =         snd_fm801_playback_open,
 672         .close =        snd_fm801_playback_close,
 673         .ioctl =        snd_pcm_lib_ioctl,
 674         .hw_params =    snd_fm801_hw_params,
 675         .hw_free =      snd_fm801_hw_free,
 676         .prepare =      snd_fm801_playback_prepare,
 677         .trigger =      snd_fm801_playback_trigger,
 678         .pointer =      snd_fm801_playback_pointer,
 679 };
 680
 681 static struct snd_pcm_ops snd_fm801_capture_ops = {
 682         .open =         snd_fm801_capture_open,
 683         .close =        snd_fm801_capture_close,
 684         .ioctl =        snd_pcm_lib_ioctl,
 685         .hw_params =    snd_fm801_hw_params,
 686         .hw_free =      snd_fm801_hw_free,
 687         .prepare =      snd_fm801_capture_prepare,
 688         .trigger =      snd_fm801_capture_trigger,
 689         .pointer =      snd_fm801_capture_pointer,
 690 };
 691
 692 static int snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm **rpcm)
 693 {
 694         struct snd_pcm *pcm;
 695         int err;
 696
 697         if (rpcm)
 698                 *rpcm = NULL;
 699         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 700                 return err;
 701
 702         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 703         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 704
 705         pcm->private_data = chip;
 706         pcm->info_flags = 0;
 707         strcpy(pcm->name, "FM801");
 708         chip->pcm = pcm;
 709
 710         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 711                                               snd_dma_pci_data(chip->pci),
 712                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 713
 714         err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 715                                      snd_pcm_alt_chmaps,
 716                                      chip->multichannel ? 6 : 2, 0,
 717                                      NULL);
 718         if (err < 0)
 719                 return err;
 720
 721         if (rpcm)
 722                 *rpcm = pcm;
 723         return 0;
 724 }
 725
 726 /*
 727  *  TEA5757 radio
 728  */
 729
 730 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 731
 732 /* GPIO to TEA575x maps */
 733 struct snd_fm801_tea575x_gpio {
 734         u8 data, clk, wren, most;
 735         char *name;
 736 };
 737
 738 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 739         { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 740         { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 741         { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 742 };
 743
 744 #define get_tea575x_gpio(chip) \
 745         (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 746
 747 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 748 {
 749         struct fm801 *chip = tea->private_data;
 750         unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 751         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 752
 753         reg &= ~(FM801_GPIO_GP(gpio.data) |
 754                  FM801_GPIO_GP(gpio.clk) |
 755                  FM801_GPIO_GP(gpio.wren));
 756
 757         reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 758         reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 759         /* WRITE_ENABLE is inverted */
 760         reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 761
 762         outw(reg, FM801_REG(chip, GPIO_CTRL));
 763 }
 764
 765 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 766 {
 767         struct fm801 *chip = tea->private_data;
 768         unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 769         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 770         u8 ret;
 771
 772         ret = 0;
 773         if (reg & FM801_GPIO_GP(gpio.data))
 774                 ret |= TEA575X_DATA;
 775         if (reg & FM801_GPIO_GP(gpio.most))
 776                 ret |= TEA575X_MOST;
 777         return ret;
 778 }
 779
 780 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 781 {
 782         struct fm801 *chip = tea->private_data;
 783         unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 784         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 785
 786         /* use GPIO lines and set write enable bit */
 787         reg |= FM801_GPIO_GS(gpio.data) |
 788                FM801_GPIO_GS(gpio.wren) |
 789                FM801_GPIO_GS(gpio.clk) |
 790                FM801_GPIO_GS(gpio.most);
 791         if (output) {
 792                 /* all of lines are in the write direction */
 793                 /* clear data and clock lines */
 794                 reg &= ~(FM801_GPIO_GD(gpio.data) |
 795                          FM801_GPIO_GD(gpio.wren) |
 796                          FM801_GPIO_GD(gpio.clk) |
 797                          FM801_GPIO_GP(gpio.data) |
 798                          FM801_GPIO_GP(gpio.clk) |
 799                          FM801_GPIO_GP(gpio.wren));
 800         } else {
 801                 /* use GPIO lines, set data direction to input */
 802                 reg |= FM801_GPIO_GD(gpio.data) |
 803                        FM801_GPIO_GD(gpio.most) |
 804                        FM801_GPIO_GP(gpio.data) |
 805                        FM801_GPIO_GP(gpio.most) |
 806                        FM801_GPIO_GP(gpio.wren);
 807                 /* all of lines are in the write direction, except data */
 808                 /* clear data, write enable and clock lines */
 809                 reg &= ~(FM801_GPIO_GD(gpio.wren) |
 810                          FM801_GPIO_GD(gpio.clk) |
 811                          FM801_GPIO_GP(gpio.clk));
 812         }
 813
 814         outw(reg, FM801_REG(chip, GPIO_CTRL));
 815 }
 816
 817 static struct snd_tea575x_ops snd_fm801_tea_ops = {
 818         .set_pins = snd_fm801_tea575x_set_pins,
 819         .get_pins = snd_fm801_tea575x_get_pins,
 820         .set_direction = snd_fm801_tea575x_set_direction,
 821 };
 822 #endif
 823
 824 /*
 825  *  Mixer routines
 826  */
 827
 828 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
 829 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 830   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 831   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 832
 833 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 834                                  struct snd_ctl_elem_info *uinfo)
 835 {
 836         int mask = (kcontrol->private_value >> 16) & 0xff;
 837
 838         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 839         uinfo->count = 1;
 840         uinfo->value.integer.min = 0;
 841         uinfo->value.integer.max = mask;
 842         return 0;
 843 }
 844
 845 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 846                                 struct snd_ctl_elem_value *ucontrol)
 847 {
 848         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 849         int reg = kcontrol->private_value & 0xff;
 850         int shift = (kcontrol->private_value >> 8) & 0xff;
 851         int mask = (kcontrol->private_value >> 16) & 0xff;
 852         int invert = (kcontrol->private_value >> 24) & 0xff;
 853
 854         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
 855         if (invert)
 856                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 857         return 0;
 858 }
 859
 860 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 861                                 struct snd_ctl_elem_value *ucontrol)
 862 {
 863         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 864         int reg = kcontrol->private_value & 0xff;
 865         int shift = (kcontrol->private_value >> 8) & 0xff;
 866         int mask = (kcontrol->private_value >> 16) & 0xff;
 867         int invert = (kcontrol->private_value >> 24) & 0xff;
 868         unsigned short val;
 869
 870         val = (ucontrol->value.integer.value[0] & mask);
 871         if (invert)
 872                 val = mask - val;
 873         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 874 }
 875
 876 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 877 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 878   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 879   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 880 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 881 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 882   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 883   .name = xname, .info = snd_fm801_info_double, \
 884   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 885   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 886   .tlv = { .p = (xtlv) } }
 887
 888 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 889                                  struct snd_ctl_elem_info *uinfo)
 890 {
 891         int mask = (kcontrol->private_value >> 16) & 0xff;
 892
 893         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 894         uinfo->count = 2;
 895         uinfo->value.integer.min = 0;
 896         uinfo->value.integer.max = mask;
 897         return 0;
 898 }
 899
 900 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 901                                 struct snd_ctl_elem_value *ucontrol)
 902 {
 903         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 904         int reg = kcontrol->private_value & 0xff;
 905         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 906         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 907         int mask = (kcontrol->private_value >> 16) & 0xff;
 908         int invert = (kcontrol->private_value >> 24) & 0xff;
 909
 910         spin_lock_irq(&chip->reg_lock);
 911         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
 912         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
 913         spin_unlock_irq(&chip->reg_lock);
 914         if (invert) {
 915                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 916                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 917         }
 918         return 0;
 919 }
 920
 921 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 922                                 struct snd_ctl_elem_value *ucontrol)
 923 {
 924         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 925         int reg = kcontrol->private_value & 0xff;
 926         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 927         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 928         int mask = (kcontrol->private_value >> 16) & 0xff;
 929         int invert = (kcontrol->private_value >> 24) & 0xff;
 930         unsigned short val1, val2;
 931
 932         val1 = ucontrol->value.integer.value[0] & mask;
 933         val2 = ucontrol->value.integer.value[1] & mask;
 934         if (invert) {
 935                 val1 = mask - val1;
 936                 val2 = mask - val2;
 937         }
 938         return snd_fm801_update_bits(chip, reg,
 939                                      (mask << shift_left) | (mask << shift_right),
 940                                      (val1 << shift_left ) | (val2 << shift_right));
 941 }
 942
 943 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 944                               struct snd_ctl_elem_info *uinfo)
 945 {
 946         static char *texts[5] = {
 947                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 948         };
 949
 950         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 951         uinfo->count = 1;
 952         uinfo->value.enumerated.items = 5;
 953         if (uinfo->value.enumerated.item > 4)
 954                 uinfo->value.enumerated.item = 4;
 955         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 956         return 0;
 957 }
 958
 959 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 960                              struct snd_ctl_elem_value *ucontrol)
 961 {
 962         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 963         unsigned short val;
 964
 965         val = inw(FM801_REG(chip, REC_SRC)) & 7;
 966         if (val > 4)
 967                 val = 4;
 968         ucontrol->value.enumerated.item[0] = val;
 969         return 0;
 970 }
 971
 972 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 973                              struct snd_ctl_elem_value *ucontrol)
 974 {
 975         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 976         unsigned short val;
 977
 978         if ((val = ucontrol->value.enumerated.item[0]) > 4)
 979                 return -EINVAL;
 980         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 981 }
 982
 983 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 984
 985 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 986
 987 static struct snd_kcontrol_new snd_fm801_controls[] = {
 988 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
 989                  db_scale_dsp),
 990 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
 991 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
 992                  db_scale_dsp),
 993 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
 994 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
 995                  db_scale_dsp),
 996 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
 997 {
 998         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 999         .name = "Digital Capture Source",
1000         .info = snd_fm801_info_mux,
1001         .get = snd_fm801_get_mux,
1002         .put = snd_fm801_put_mux,
1003 }
1004 };
1005
1006 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1007
1008 static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1009 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1010 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1011 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1012 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1013 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1014 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1015 };
1016
1017 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1018 {
1019         struct fm801 *chip = bus->private_data;
1020         chip->ac97_bus = NULL;
1021 }
1022
1023 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1024 {
1025         struct fm801 *chip = ac97->private_data;
1026         if (ac97->num == 0) {
1027                 chip->ac97 = NULL;
1028         } else {
1029                 chip->ac97_sec = NULL;
1030         }
1031 }
1032
1033 static int snd_fm801_mixer(struct fm801 *chip)
1034 {
1035         struct snd_ac97_template ac97;
1036         unsigned int i;
1037         int err;
1038         static struct snd_ac97_bus_ops ops = {
1039                 .write = snd_fm801_codec_write,
1040                 .read = snd_fm801_codec_read,
1041         };
1042
1043         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1044                 return err;
1045         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1046
1047         memset(&ac97, 0, sizeof(ac97));
1048         ac97.private_data = chip;
1049         ac97.private_free = snd_fm801_mixer_free_ac97;
1050         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1051                 return err;
1052         if (chip->secondary) {
1053                 ac97.num = 1;
1054                 ac97.addr = chip->secondary_addr;
1055                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1056                         return err;
1057         }
1058         for (i = 0; i < FM801_CONTROLS; i++)
1059                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1060         if (chip->multichannel) {
1061                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1062                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1063         }
1064         return 0;
1065 }
1066
1067 /*
1068  *  initialization routines
1069  */
1070
1071 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1072                           unsigned short reg, unsigned long waits)
1073 {
1074         unsigned long timeout = jiffies + waits;
1075
1076         outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1077              FM801_REG(chip, AC97_CMD));
1078         udelay(5);
1079         do {
1080                 if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1081                     == FM801_AC97_VALID)
1082                         return 0;
1083                 schedule_timeout_uninterruptible(1);
1084         } while (time_after(timeout, jiffies));
1085         return -EIO;
1086 }
1087
1088 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1089 {
1090         unsigned short cmdw;
1091
1092         if (chip->tea575x_tuner & TUNER_ONLY)
1093                 goto __ac97_ok;
1094
1095         /* codec cold reset + AC'97 warm reset */
1096         outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1097         inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1098         udelay(100);
1099         outw(0, FM801_REG(chip, CODEC_CTRL));
1100
1101         if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1102                 if (!resume) {
1103                         snd_printk(KERN_INFO "Primary AC'97 codec not found, "
1104                                             "assume SF64-PCR (tuner-only)\n");
1105                         chip->tea575x_tuner = 3 | TUNER_ONLY;
1106                         goto __ac97_ok;
1107                 }
1108
1109         if (chip->multichannel) {
1110                 if (chip->secondary_addr) {
1111                         wait_for_codec(chip, chip->secondary_addr,
1112                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1113                 } else {
1114                         /* my card has the secondary codec */
1115                         /* at address #3, so the loop is inverted */
1116                         int i;
1117                         for (i = 3; i > 0; i--) {
1118                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1119                                                      msecs_to_jiffies(50))) {
1120                                         cmdw = inw(FM801_REG(chip, AC97_DATA));
1121                                         if (cmdw != 0xffff && cmdw != 0) {
1122                                                 chip->secondary = 1;
1123                                                 chip->secondary_addr = i;
1124                                                 break;
1125                                         }
1126                                 }
1127                         }
1128                 }
1129
1130                 /* the recovery phase, it seems that probing for non-existing codec might */
1131                 /* cause timeout problems */
1132                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1133         }
1134
1135       __ac97_ok:
1136
1137         /* init volume */
1138         outw(0x0808, FM801_REG(chip, PCM_VOL));
1139         outw(0x9f1f, FM801_REG(chip, FM_VOL));
1140         outw(0x8808, FM801_REG(chip, I2S_VOL));
1141
1142         /* I2S control - I2S mode */
1143         outw(0x0003, FM801_REG(chip, I2S_MODE));
1144
1145         /* interrupt setup */
1146         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1147         if (chip->irq < 0)
1148                 cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1149         else
1150                 cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1151         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1152
1153         /* interrupt clear */
1154         outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1155
1156         return 0;
1157 }
1158
1159
1160 static int snd_fm801_free(struct fm801 *chip)
1161 {
1162         unsigned short cmdw;
1163
1164         if (chip->irq < 0)
1165                 goto __end_hw;
1166
1167         /* interrupt setup - mask everything */
1168         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1169         cmdw |= 0x00c3;
1170         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1171
1172       __end_hw:
1173 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1174         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1175                 snd_tea575x_exit(&chip->tea);
1176                 v4l2_device_unregister(&chip->v4l2_dev);
1177         }
1178 #endif
1179         if (chip->irq >= 0)
1180                 free_irq(chip->irq, chip);
1181         pci_release_regions(chip->pci);
1182         pci_disable_device(chip->pci);
1183
1184         kfree(chip);
1185         return 0;
1186 }
1187
1188 static int snd_fm801_dev_free(struct snd_device *device)
1189 {
1190         struct fm801 *chip = device->device_data;
1191         return snd_fm801_free(chip);
1192 }
1193
1194 static int snd_fm801_create(struct snd_card *card,
1195                             struct pci_dev *pci,
1196                             int tea575x_tuner,
1197                             int radio_nr,
1198                             struct fm801 **rchip)
1199 {
1200         struct fm801 *chip;
1201         int err;
1202         static struct snd_device_ops ops = {
1203                 .dev_free =     snd_fm801_dev_free,
1204         };
1205
1206         *rchip = NULL;
1207         if ((err = pci_enable_device(pci)) < 0)
1208                 return err;
1209         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1210         if (chip == NULL) {
1211                 pci_disable_device(pci);
1212                 return -ENOMEM;
1213         }
1214         spin_lock_init(&chip->reg_lock);
1215         chip->card = card;
1216         chip->pci = pci;
1217         chip->irq = -1;
1218         chip->tea575x_tuner = tea575x_tuner;
1219         if ((err = pci_request_regions(pci, "FM801")) < 0) {
1220                 kfree(chip);
1221                 pci_disable_device(pci);
1222                 return err;
1223         }
1224         chip->port = pci_resource_start(pci, 0);
1225         if ((tea575x_tuner & TUNER_ONLY) == 0) {
1226                 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1227                                 KBUILD_MODNAME, chip)) {
1228                         snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1229                         snd_fm801_free(chip);
1230                         return -EBUSY;
1231                 }
1232                 chip->irq = pci->irq;
1233                 pci_set_master(pci);
1234         }
1235
1236         if (pci->revision >= 0xb1)      /* FM801-AU */
1237                 chip->multichannel = 1;
1238
1239         snd_fm801_chip_init(chip, 0);
1240         /* init might set tuner access method */
1241         tea575x_tuner = chip->tea575x_tuner;
1242
1243         if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1244                 pci_clear_master(pci);
1245                 free_irq(chip->irq, chip);
1246                 chip->irq = -1;
1247         }
1248
1249         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1250                 snd_fm801_free(chip);
1251                 return err;
1252         }
1253
1254         snd_card_set_dev(card, &pci->dev);
1255
1256 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1257         err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1258         if (err < 0) {
1259                 snd_fm801_free(chip);
1260                 return err;
1261         }
1262         chip->tea.v4l2_dev = &chip->v4l2_dev;
1263         chip->tea.radio_nr = radio_nr;
1264         chip->tea.private_data = chip;
1265         chip->tea.ops = &snd_fm801_tea_ops;
1266         sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1267         if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1268             (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1269                 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1270                         snd_printk(KERN_ERR "TEA575x radio not found\n");
1271                         snd_fm801_free(chip);
1272                         return -ENODEV;
1273                 }
1274         } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1275                 /* autodetect tuner connection */
1276                 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1277                         chip->tea575x_tuner = tea575x_tuner;
1278                         if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1279                                 snd_printk(KERN_INFO "detected TEA575x radio type %s\n",
1280                                            get_tea575x_gpio(chip)->name);
1281                                 break;
1282                         }
1283                 }
1284                 if (tea575x_tuner == 4) {
1285                         snd_printk(KERN_ERR "TEA575x radio not found\n");
1286                         chip->tea575x_tuner = TUNER_DISABLED;
1287                 }
1288         }
1289         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1290                 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1291                         sizeof(chip->tea.card));
1292         }
1293 #endif
1294
1295         *rchip = chip;
1296         return 0;
1297 }
1298
1299 static int snd_card_fm801_probe(struct pci_dev *pci,
1300                                 const struct pci_device_id *pci_id)
1301 {
1302         static int dev;
1303         struct snd_card *card;
1304         struct fm801 *chip;
1305         struct snd_opl3 *opl3;
1306         int err;
1307
1308         if (dev >= SNDRV_CARDS)
1309                 return -ENODEV;
1310         if (!enable[dev]) {
1311                 dev++;
1312                 return -ENOENT;
1313         }
1314
1315         err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1316         if (err < 0)
1317                 return err;
1318         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1319                 snd_card_free(card);
1320                 return err;
1321         }
1322         card->private_data = chip;
1323
1324         strcpy(card->driver, "FM801");
1325         strcpy(card->shortname, "ForteMedia FM801-");
1326         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1327         sprintf(card->longname, "%s at 0x%lx, irq %i",
1328                 card->shortname, chip->port, chip->irq);
1329
1330         if (chip->tea575x_tuner & TUNER_ONLY)
1331                 goto __fm801_tuner_only;
1332
1333         if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1334                 snd_card_free(card);
1335                 return err;
1336         }
1337         if ((err = snd_fm801_mixer(chip)) < 0) {
1338                 snd_card_free(card);
1339                 return err;
1340         }
1341         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1342                                        FM801_REG(chip, MPU401_DATA),
1343                                        MPU401_INFO_INTEGRATED |
1344                                        MPU401_INFO_IRQ_HOOK,
1345                                        -1, &chip->rmidi)) < 0) {
1346                 snd_card_free(card);
1347                 return err;
1348         }
1349         if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1350                                    FM801_REG(chip, OPL3_BANK1),
1351                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1352                 snd_card_free(card);
1353                 return err;
1354         }
1355         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1356                 snd_card_free(card);
1357                 return err;
1358         }
1359
1360       __fm801_tuner_only:
1361         if ((err = snd_card_register(card)) < 0) {
1362                 snd_card_free(card);
1363                 return err;
1364         }
1365         pci_set_drvdata(pci, card);
1366         dev++;
1367         return 0;
1368 }
1369
1370 static void snd_card_fm801_remove(struct pci_dev *pci)
1371 {
1372         snd_card_free(pci_get_drvdata(pci));
1373 }
1374
1375 #ifdef CONFIG_PM_SLEEP
1376 static unsigned char saved_regs[] = {
1377         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1378         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1379         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1380         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1381 };
1382
1383 static int snd_fm801_suspend(struct device *dev)
1384 {
1385         struct pci_dev *pci = to_pci_dev(dev);
1386         struct snd_card *card = dev_get_drvdata(dev);
1387         struct fm801 *chip = card->private_data;
1388         int i;
1389
1390         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1391         snd_pcm_suspend_all(chip->pcm);
1392         snd_ac97_suspend(chip->ac97);
1393         snd_ac97_suspend(chip->ac97_sec);
1394         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1395                 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1396         /* FIXME: tea575x suspend */
1397
1398         pci_disable_device(pci);
1399         pci_save_state(pci);
1400         pci_set_power_state(pci, PCI_D3hot);
1401         return 0;
1402 }
1403
1404 static int snd_fm801_resume(struct device *dev)
1405 {
1406         struct pci_dev *pci = to_pci_dev(dev);
1407         struct snd_card *card = dev_get_drvdata(dev);
1408         struct fm801 *chip = card->private_data;
1409         int i;
1410
1411         pci_set_power_state(pci, PCI_D0);
1412         pci_restore_state(pci);
1413         if (pci_enable_device(pci) < 0) {
1414                 printk(KERN_ERR "fm801: pci_enable_device failed, "
1415                        "disabling device\n");
1416                 snd_card_disconnect(card);
1417                 return -EIO;
1418         }
1419         pci_set_master(pci);
1420
1421         snd_fm801_chip_init(chip, 1);
1422         snd_ac97_resume(chip->ac97);
1423         snd_ac97_resume(chip->ac97_sec);
1424         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1425                 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1426
1427         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1428         return 0;
1429 }
1430
1431 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1432 #define SND_FM801_PM_OPS        &snd_fm801_pm
1433 #else
1434 #define SND_FM801_PM_OPS        NULL
1435 #endif /* CONFIG_PM_SLEEP */
1436
1437 static struct pci_driver fm801_driver = {
1438         .name = KBUILD_MODNAME,
1439         .id_table = snd_fm801_ids,
1440         .probe = snd_card_fm801_probe,
1441         .remove = snd_card_fm801_remove,
1442         .driver = {
1443                 .pm = SND_FM801_PM_OPS,
1444         },
1445 };
1446
1447 module_pci_driver(fm801_driver);