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 <sound/tea575x-tuner.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
 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 __devinit 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         if (rpcm)
 715                 *rpcm = pcm;
 716         return 0;
 717 }
 718
 719 /*
 720  *  TEA5757 radio
 721  */
 722
 723 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 724
 725 /* GPIO to TEA575x maps */
 726 struct snd_fm801_tea575x_gpio {
 727         u8 data, clk, wren, most;
 728         char *name;
 729 };
 730
 731 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 732         { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 733         { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 734         { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 735 };
 736
 737 #define get_tea575x_gpio(chip) \
 738         (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 739
 740 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 741 {
 742         struct fm801 *chip = tea->private_data;
 743         unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 744         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 745
 746         reg &= ~(FM801_GPIO_GP(gpio.data) |
 747                  FM801_GPIO_GP(gpio.clk) |
 748                  FM801_GPIO_GP(gpio.wren));
 749
 750         reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 751         reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 752         /* WRITE_ENABLE is inverted */
 753         reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 754
 755         outw(reg, FM801_REG(chip, GPIO_CTRL));
 756 }
 757
 758 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 759 {
 760         struct fm801 *chip = tea->private_data;
 761         unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 762         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 763
 764         return  (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 |
 765                 (reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0;
 766 }
 767
 768 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 769 {
 770         struct fm801 *chip = tea->private_data;
 771         unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 772         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 773
 774         /* use GPIO lines and set write enable bit */
 775         reg |= FM801_GPIO_GS(gpio.data) |
 776                FM801_GPIO_GS(gpio.wren) |
 777                FM801_GPIO_GS(gpio.clk) |
 778                FM801_GPIO_GS(gpio.most);
 779         if (output) {
 780                 /* all of lines are in the write direction */
 781                 /* clear data and clock lines */
 782                 reg &= ~(FM801_GPIO_GD(gpio.data) |
 783                          FM801_GPIO_GD(gpio.wren) |
 784                          FM801_GPIO_GD(gpio.clk) |
 785                          FM801_GPIO_GP(gpio.data) |
 786                          FM801_GPIO_GP(gpio.clk) |
 787                          FM801_GPIO_GP(gpio.wren));
 788         } else {
 789                 /* use GPIO lines, set data direction to input */
 790                 reg |= FM801_GPIO_GD(gpio.data) |
 791                        FM801_GPIO_GD(gpio.most) |
 792                        FM801_GPIO_GP(gpio.data) |
 793                        FM801_GPIO_GP(gpio.most) |
 794                        FM801_GPIO_GP(gpio.wren);
 795                 /* all of lines are in the write direction, except data */
 796                 /* clear data, write enable and clock lines */
 797                 reg &= ~(FM801_GPIO_GD(gpio.wren) |
 798                          FM801_GPIO_GD(gpio.clk) |
 799                          FM801_GPIO_GP(gpio.clk));
 800         }
 801
 802         outw(reg, FM801_REG(chip, GPIO_CTRL));
 803 }
 804
 805 static struct snd_tea575x_ops snd_fm801_tea_ops = {
 806         .set_pins = snd_fm801_tea575x_set_pins,
 807         .get_pins = snd_fm801_tea575x_get_pins,
 808         .set_direction = snd_fm801_tea575x_set_direction,
 809 };
 810 #endif
 811
 812 /*
 813  *  Mixer routines
 814  */
 815
 816 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
 817 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 818   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 819   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 820
 821 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 822                                  struct snd_ctl_elem_info *uinfo)
 823 {
 824         int mask = (kcontrol->private_value >> 16) & 0xff;
 825
 826         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 827         uinfo->count = 1;
 828         uinfo->value.integer.min = 0;
 829         uinfo->value.integer.max = mask;
 830         return 0;
 831 }
 832
 833 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 834                                 struct snd_ctl_elem_value *ucontrol)
 835 {
 836         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 837         int reg = kcontrol->private_value & 0xff;
 838         int shift = (kcontrol->private_value >> 8) & 0xff;
 839         int mask = (kcontrol->private_value >> 16) & 0xff;
 840         int invert = (kcontrol->private_value >> 24) & 0xff;
 841
 842         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
 843         if (invert)
 844                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 845         return 0;
 846 }
 847
 848 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 849                                 struct snd_ctl_elem_value *ucontrol)
 850 {
 851         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 852         int reg = kcontrol->private_value & 0xff;
 853         int shift = (kcontrol->private_value >> 8) & 0xff;
 854         int mask = (kcontrol->private_value >> 16) & 0xff;
 855         int invert = (kcontrol->private_value >> 24) & 0xff;
 856         unsigned short val;
 857
 858         val = (ucontrol->value.integer.value[0] & mask);
 859         if (invert)
 860                 val = mask - val;
 861         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 862 }
 863
 864 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 865 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 866   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 867   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 868 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 869 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 870   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 871   .name = xname, .info = snd_fm801_info_double, \
 872   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 873   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 874   .tlv = { .p = (xtlv) } }
 875
 876 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 877                                  struct snd_ctl_elem_info *uinfo)
 878 {
 879         int mask = (kcontrol->private_value >> 16) & 0xff;
 880
 881         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 882         uinfo->count = 2;
 883         uinfo->value.integer.min = 0;
 884         uinfo->value.integer.max = mask;
 885         return 0;
 886 }
 887
 888 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 889                                 struct snd_ctl_elem_value *ucontrol)
 890 {
 891         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 892         int reg = kcontrol->private_value & 0xff;
 893         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 894         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 895         int mask = (kcontrol->private_value >> 16) & 0xff;
 896         int invert = (kcontrol->private_value >> 24) & 0xff;
 897
 898         spin_lock_irq(&chip->reg_lock);
 899         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
 900         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
 901         spin_unlock_irq(&chip->reg_lock);
 902         if (invert) {
 903                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 904                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 905         }
 906         return 0;
 907 }
 908
 909 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 910                                 struct snd_ctl_elem_value *ucontrol)
 911 {
 912         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 913         int reg = kcontrol->private_value & 0xff;
 914         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 915         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 916         int mask = (kcontrol->private_value >> 16) & 0xff;
 917         int invert = (kcontrol->private_value >> 24) & 0xff;
 918         unsigned short val1, val2;
 919
 920         val1 = ucontrol->value.integer.value[0] & mask;
 921         val2 = ucontrol->value.integer.value[1] & mask;
 922         if (invert) {
 923                 val1 = mask - val1;
 924                 val2 = mask - val2;
 925         }
 926         return snd_fm801_update_bits(chip, reg,
 927                                      (mask << shift_left) | (mask << shift_right),
 928                                      (val1 << shift_left ) | (val2 << shift_right));
 929 }
 930
 931 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 932                               struct snd_ctl_elem_info *uinfo)
 933 {
 934         static char *texts[5] = {
 935                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 936         };
 937
 938         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 939         uinfo->count = 1;
 940         uinfo->value.enumerated.items = 5;
 941         if (uinfo->value.enumerated.item > 4)
 942                 uinfo->value.enumerated.item = 4;
 943         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 944         return 0;
 945 }
 946
 947 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 948                              struct snd_ctl_elem_value *ucontrol)
 949 {
 950         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 951         unsigned short val;
 952
 953         val = inw(FM801_REG(chip, REC_SRC)) & 7;
 954         if (val > 4)
 955                 val = 4;
 956         ucontrol->value.enumerated.item[0] = val;
 957         return 0;
 958 }
 959
 960 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 961                              struct snd_ctl_elem_value *ucontrol)
 962 {
 963         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 964         unsigned short val;
 965
 966         if ((val = ucontrol->value.enumerated.item[0]) > 4)
 967                 return -EINVAL;
 968         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 969 }
 970
 971 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 972
 973 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 974
 975 static struct snd_kcontrol_new snd_fm801_controls[] __devinitdata = {
 976 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
 977                  db_scale_dsp),
 978 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
 979 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
 980                  db_scale_dsp),
 981 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
 982 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
 983                  db_scale_dsp),
 984 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
 985 {
 986         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 987         .name = "Digital Capture Source",
 988         .info = snd_fm801_info_mux,
 989         .get = snd_fm801_get_mux,
 990         .put = snd_fm801_put_mux,
 991 }
 992 };
 993
 994 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
 995
 996 static struct snd_kcontrol_new snd_fm801_controls_multi[] __devinitdata = {
 997 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
 998 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
 999 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1000 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1001 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1002 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1003 };
1004
1005 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1006 {
1007         struct fm801 *chip = bus->private_data;
1008         chip->ac97_bus = NULL;
1009 }
1010
1011 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1012 {
1013         struct fm801 *chip = ac97->private_data;
1014         if (ac97->num == 0) {
1015                 chip->ac97 = NULL;
1016         } else {
1017                 chip->ac97_sec = NULL;
1018         }
1019 }
1020
1021 static int __devinit snd_fm801_mixer(struct fm801 *chip)
1022 {
1023         struct snd_ac97_template ac97;
1024         unsigned int i;
1025         int err;
1026         static struct snd_ac97_bus_ops ops = {
1027                 .write = snd_fm801_codec_write,
1028                 .read = snd_fm801_codec_read,
1029         };
1030
1031         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1032                 return err;
1033         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1034
1035         memset(&ac97, 0, sizeof(ac97));
1036         ac97.private_data = chip;
1037         ac97.private_free = snd_fm801_mixer_free_ac97;
1038         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1039                 return err;
1040         if (chip->secondary) {
1041                 ac97.num = 1;
1042                 ac97.addr = chip->secondary_addr;
1043                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1044                         return err;
1045         }
1046         for (i = 0; i < FM801_CONTROLS; i++)
1047                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1048         if (chip->multichannel) {
1049                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1050                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1051         }
1052         return 0;
1053 }
1054
1055 /*
1056  *  initialization routines
1057  */
1058
1059 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1060                           unsigned short reg, unsigned long waits)
1061 {
1062         unsigned long timeout = jiffies + waits;
1063
1064         outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1065              FM801_REG(chip, AC97_CMD));
1066         udelay(5);
1067         do {
1068                 if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1069                     == FM801_AC97_VALID)
1070                         return 0;
1071                 schedule_timeout_uninterruptible(1);
1072         } while (time_after(timeout, jiffies));
1073         return -EIO;
1074 }
1075
1076 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1077 {
1078         unsigned short cmdw;
1079
1080         if (chip->tea575x_tuner & TUNER_ONLY)
1081                 goto __ac97_ok;
1082
1083         /* codec cold reset + AC'97 warm reset */
1084         outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1085         inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1086         udelay(100);
1087         outw(0, FM801_REG(chip, CODEC_CTRL));
1088
1089         if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1090                 if (!resume) {
1091                         snd_printk(KERN_INFO "Primary AC'97 codec not found, "
1092                                             "assume SF64-PCR (tuner-only)\n");
1093                         chip->tea575x_tuner = 3 | TUNER_ONLY;
1094                         goto __ac97_ok;
1095                 }
1096
1097         if (chip->multichannel) {
1098                 if (chip->secondary_addr) {
1099                         wait_for_codec(chip, chip->secondary_addr,
1100                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1101                 } else {
1102                         /* my card has the secondary codec */
1103                         /* at address #3, so the loop is inverted */
1104                         int i;
1105                         for (i = 3; i > 0; i--) {
1106                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1107                                                      msecs_to_jiffies(50))) {
1108                                         cmdw = inw(FM801_REG(chip, AC97_DATA));
1109                                         if (cmdw != 0xffff && cmdw != 0) {
1110                                                 chip->secondary = 1;
1111                                                 chip->secondary_addr = i;
1112                                                 break;
1113                                         }
1114                                 }
1115                         }
1116                 }
1117
1118                 /* the recovery phase, it seems that probing for non-existing codec might */
1119                 /* cause timeout problems */
1120                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1121         }
1122
1123       __ac97_ok:
1124
1125         /* init volume */
1126         outw(0x0808, FM801_REG(chip, PCM_VOL));
1127         outw(0x9f1f, FM801_REG(chip, FM_VOL));
1128         outw(0x8808, FM801_REG(chip, I2S_VOL));
1129
1130         /* I2S control - I2S mode */
1131         outw(0x0003, FM801_REG(chip, I2S_MODE));
1132
1133         /* interrupt setup */
1134         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1135         if (chip->irq < 0)
1136                 cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1137         else
1138                 cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1139         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1140
1141         /* interrupt clear */
1142         outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1143
1144         return 0;
1145 }
1146
1147
1148 static int snd_fm801_free(struct fm801 *chip)
1149 {
1150         unsigned short cmdw;
1151
1152         if (chip->irq < 0)
1153                 goto __end_hw;
1154
1155         /* interrupt setup - mask everything */
1156         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1157         cmdw |= 0x00c3;
1158         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1159
1160       __end_hw:
1161 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1162         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1163                 snd_tea575x_exit(&chip->tea);
1164                 v4l2_device_unregister(&chip->v4l2_dev);
1165         }
1166 #endif
1167         if (chip->irq >= 0)
1168                 free_irq(chip->irq, chip);
1169         pci_release_regions(chip->pci);
1170         pci_disable_device(chip->pci);
1171
1172         kfree(chip);
1173         return 0;
1174 }
1175
1176 static int snd_fm801_dev_free(struct snd_device *device)
1177 {
1178         struct fm801 *chip = device->device_data;
1179         return snd_fm801_free(chip);
1180 }
1181
1182 static int __devinit snd_fm801_create(struct snd_card *card,
1183                                       struct pci_dev * pci,
1184                                       int tea575x_tuner,
1185                                       int radio_nr,
1186                                       struct fm801 ** rchip)
1187 {
1188         struct fm801 *chip;
1189         int err;
1190         static struct snd_device_ops ops = {
1191                 .dev_free =     snd_fm801_dev_free,
1192         };
1193
1194         *rchip = NULL;
1195         if ((err = pci_enable_device(pci)) < 0)
1196                 return err;
1197         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1198         if (chip == NULL) {
1199                 pci_disable_device(pci);
1200                 return -ENOMEM;
1201         }
1202         spin_lock_init(&chip->reg_lock);
1203         chip->card = card;
1204         chip->pci = pci;
1205         chip->irq = -1;
1206         chip->tea575x_tuner = tea575x_tuner;
1207         if ((err = pci_request_regions(pci, "FM801")) < 0) {
1208                 kfree(chip);
1209                 pci_disable_device(pci);
1210                 return err;
1211         }
1212         chip->port = pci_resource_start(pci, 0);
1213         if ((tea575x_tuner & TUNER_ONLY) == 0) {
1214                 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1215                                 KBUILD_MODNAME, chip)) {
1216                         snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1217                         snd_fm801_free(chip);
1218                         return -EBUSY;
1219                 }
1220                 chip->irq = pci->irq;
1221                 pci_set_master(pci);
1222         }
1223
1224         if (pci->revision >= 0xb1)      /* FM801-AU */
1225                 chip->multichannel = 1;
1226
1227         snd_fm801_chip_init(chip, 0);
1228         /* init might set tuner access method */
1229         tea575x_tuner = chip->tea575x_tuner;
1230
1231         if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1232                 pci_clear_master(pci);
1233                 free_irq(chip->irq, chip);
1234                 chip->irq = -1;
1235         }
1236
1237         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1238                 snd_fm801_free(chip);
1239                 return err;
1240         }
1241
1242         snd_card_set_dev(card, &pci->dev);
1243
1244 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1245         err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1246         if (err < 0) {
1247                 snd_fm801_free(chip);
1248                 return err;
1249         }
1250         chip->tea.v4l2_dev = &chip->v4l2_dev;
1251         chip->tea.radio_nr = radio_nr;
1252         chip->tea.private_data = chip;
1253         chip->tea.ops = &snd_fm801_tea_ops;
1254         sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1255         if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1256             (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1257                 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1258                         snd_printk(KERN_ERR "TEA575x radio not found\n");
1259                         snd_fm801_free(chip);
1260                         return -ENODEV;
1261                 }
1262         } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1263                 /* autodetect tuner connection */
1264                 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1265                         chip->tea575x_tuner = tea575x_tuner;
1266                         if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1267                                 snd_printk(KERN_INFO "detected TEA575x radio type %s\n",
1268                                            get_tea575x_gpio(chip)->name);
1269                                 break;
1270                         }
1271                 }
1272                 if (tea575x_tuner == 4) {
1273                         snd_printk(KERN_ERR "TEA575x radio not found\n");
1274                         chip->tea575x_tuner = TUNER_DISABLED;
1275                 }
1276         }
1277         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1278                 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1279                         sizeof(chip->tea.card));
1280         }
1281 #endif
1282
1283         *rchip = chip;
1284         return 0;
1285 }
1286
1287 static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1288                                           const struct pci_device_id *pci_id)
1289 {
1290         static int dev;
1291         struct snd_card *card;
1292         struct fm801 *chip;
1293         struct snd_opl3 *opl3;
1294         int err;
1295
1296         if (dev >= SNDRV_CARDS)
1297                 return -ENODEV;
1298         if (!enable[dev]) {
1299                 dev++;
1300                 return -ENOENT;
1301         }
1302
1303         err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1304         if (err < 0)
1305                 return err;
1306         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1307                 snd_card_free(card);
1308                 return err;
1309         }
1310         card->private_data = chip;
1311
1312         strcpy(card->driver, "FM801");
1313         strcpy(card->shortname, "ForteMedia FM801-");
1314         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1315         sprintf(card->longname, "%s at 0x%lx, irq %i",
1316                 card->shortname, chip->port, chip->irq);
1317
1318         if (chip->tea575x_tuner & TUNER_ONLY)
1319                 goto __fm801_tuner_only;
1320
1321         if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1322                 snd_card_free(card);
1323                 return err;
1324         }
1325         if ((err = snd_fm801_mixer(chip)) < 0) {
1326                 snd_card_free(card);
1327                 return err;
1328         }
1329         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1330                                        FM801_REG(chip, MPU401_DATA),
1331                                        MPU401_INFO_INTEGRATED |
1332                                        MPU401_INFO_IRQ_HOOK,
1333                                        -1, &chip->rmidi)) < 0) {
1334                 snd_card_free(card);
1335                 return err;
1336         }
1337         if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1338                                    FM801_REG(chip, OPL3_BANK1),
1339                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1340                 snd_card_free(card);
1341                 return err;
1342         }
1343         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1344                 snd_card_free(card);
1345                 return err;
1346         }
1347
1348       __fm801_tuner_only:
1349         if ((err = snd_card_register(card)) < 0) {
1350                 snd_card_free(card);
1351                 return err;
1352         }
1353         pci_set_drvdata(pci, card);
1354         dev++;
1355         return 0;
1356 }
1357
1358 static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1359 {
1360         snd_card_free(pci_get_drvdata(pci));
1361         pci_set_drvdata(pci, NULL);
1362 }
1363
1364 #ifdef CONFIG_PM
1365 static unsigned char saved_regs[] = {
1366         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1367         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1368         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1369         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1370 };
1371
1372 static int snd_fm801_suspend(struct pci_dev *pci, pm_message_t state)
1373 {
1374         struct snd_card *card = pci_get_drvdata(pci);
1375         struct fm801 *chip = card->private_data;
1376         int i;
1377
1378         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1379         snd_pcm_suspend_all(chip->pcm);
1380         snd_ac97_suspend(chip->ac97);
1381         snd_ac97_suspend(chip->ac97_sec);
1382         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1383                 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1384         /* FIXME: tea575x suspend */
1385
1386         pci_disable_device(pci);
1387         pci_save_state(pci);
1388         pci_set_power_state(pci, pci_choose_state(pci, state));
1389         return 0;
1390 }
1391
1392 static int snd_fm801_resume(struct pci_dev *pci)
1393 {
1394         struct snd_card *card = pci_get_drvdata(pci);
1395         struct fm801 *chip = card->private_data;
1396         int i;
1397
1398         pci_set_power_state(pci, PCI_D0);
1399         pci_restore_state(pci);
1400         if (pci_enable_device(pci) < 0) {
1401                 printk(KERN_ERR "fm801: pci_enable_device failed, "
1402                        "disabling device\n");
1403                 snd_card_disconnect(card);
1404                 return -EIO;
1405         }
1406         pci_set_master(pci);
1407
1408         snd_fm801_chip_init(chip, 1);
1409         snd_ac97_resume(chip->ac97);
1410         snd_ac97_resume(chip->ac97_sec);
1411         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1412                 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1413
1414         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1415         return 0;
1416 }
1417 #endif
1418
1419 static struct pci_driver fm801_driver = {
1420         .name = KBUILD_MODNAME,
1421         .id_table = snd_fm801_ids,
1422         .probe = snd_card_fm801_probe,
1423         .remove = __devexit_p(snd_card_fm801_remove),
1424 #ifdef CONFIG_PM
1425         .suspend = snd_fm801_suspend,
1426         .resume = snd_fm801_resume,
1427 #endif
1428 };
1429
1430 module_pci_driver(fm801_driver);