sound/pci/fm801.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  The driver for the ForteMedia FM801 based soundcards
   4  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   5  */
   6
   7 #include <linux/delay.h>
   8 #include <linux/init.h>
   9 #include <linux/interrupt.h>
  10 #include <linux/io.h>
  11 #include <linux/pci.h>
  12 #include <linux/slab.h>
  13 #include <linux/module.h>
  14 #include <sound/core.h>
  15 #include <sound/pcm.h>
  16 #include <sound/tlv.h>
  17 #include <sound/ac97_codec.h>
  18 #include <sound/mpu401.h>
  19 #include <sound/opl3.h>
  20 #include <sound/initval.h>
  21
  22 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
  23 #include <media/drv-intf/tea575x.h>
  24 #endif
  25
  26 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  27 MODULE_DESCRIPTION("ForteMedia FM801");
  28 MODULE_LICENSE("GPL");
  29 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  30                 "{Genius,SoundMaker Live 5.1}}");
  31
  32 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  33 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  34 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  35 /*
  36  *  Enable TEA575x tuner
  37  *    1 = MediaForte 256-PCS
  38  *    2 = MediaForte 256-PCP
  39  *    3 = MediaForte 64-PCR
  40  *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  41  *  High 16-bits are video (radio) device number + 1
  42  */
  43 static int tea575x_tuner[SNDRV_CARDS];
  44 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  45
  46 module_param_array(index, int, NULL, 0444);
  47 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  48 module_param_array(id, charp, NULL, 0444);
  49 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  50 module_param_array(enable, bool, NULL, 0444);
  51 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  52 module_param_array(tea575x_tuner, int, NULL, 0444);
  53 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).");
  54 module_param_array(radio_nr, int, NULL, 0444);
  55 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
  56
  57
  58 #define TUNER_DISABLED          (1<<3)
  59 #define TUNER_ONLY              (1<<4)
  60 #define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
  61
  62 /*
  63  *  Direct registers
  64  */
  65
  66 #define fm801_writew(chip,reg,value)    outw((value), chip->port + FM801_##reg)
  67 #define fm801_readw(chip,reg)           inw(chip->port + FM801_##reg)
  68
  69 #define fm801_writel(chip,reg,value)    outl((value), chip->port + FM801_##reg)
  70
  71 #define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  72 #define FM801_FM_VOL            0x02    /* FM Output Volume */
  73 #define FM801_I2S_VOL           0x04    /* I2S Volume */
  74 #define FM801_REC_SRC           0x06    /* Record Source */
  75 #define FM801_PLY_CTRL          0x08    /* Playback Control */
  76 #define FM801_PLY_COUNT         0x0a    /* Playback Count */
  77 #define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  78 #define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  79 #define FM801_CAP_CTRL          0x14    /* Capture Control */
  80 #define FM801_CAP_COUNT         0x16    /* Capture Count */
  81 #define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  82 #define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  83 #define FM801_CODEC_CTRL        0x22    /* Codec Control */
  84 #define FM801_I2S_MODE          0x24    /* I2S Mode Control */
  85 #define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
  86 #define FM801_I2C_CTRL          0x29    /* I2C Control */
  87 #define FM801_AC97_CMD          0x2a    /* AC'97 Command */
  88 #define FM801_AC97_DATA         0x2c    /* AC'97 Data */
  89 #define FM801_MPU401_DATA       0x30    /* MPU401 Data */
  90 #define FM801_MPU401_CMD        0x31    /* MPU401 Command */
  91 #define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
  92 #define FM801_GEN_CTRL          0x54    /* General Control */
  93 #define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
  94 #define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
  95 #define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
  96 #define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
  97 #define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
  98 #define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
  99 #define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
 100
 101 /* codec access */
 102 #define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
 103 #define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
 104 #define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
 105 #define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
 106
 107 /* playback and record control register bits */
 108 #define FM801_BUF1_LAST         (1<<1)
 109 #define FM801_BUF2_LAST         (1<<2)
 110 #define FM801_START             (1<<5)
 111 #define FM801_PAUSE             (1<<6)
 112 #define FM801_IMMED_STOP        (1<<7)
 113 #define FM801_RATE_SHIFT        8
 114 #define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 115 #define FM801_CHANNELS_4        (1<<12) /* playback only */
 116 #define FM801_CHANNELS_6        (2<<12) /* playback only */
 117 #define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 118 #define FM801_CHANNELS_MASK     (3<<12)
 119 #define FM801_16BIT             (1<<14)
 120 #define FM801_STEREO            (1<<15)
 121
 122 /* IRQ status bits */
 123 #define FM801_IRQ_PLAYBACK      (1<<8)
 124 #define FM801_IRQ_CAPTURE       (1<<9)
 125 #define FM801_IRQ_VOLUME        (1<<14)
 126 #define FM801_IRQ_MPU           (1<<15)
 127
 128 /* GPIO control register */
 129 #define FM801_GPIO_GP0          (1<<0)  /* read/write */
 130 #define FM801_GPIO_GP1          (1<<1)
 131 #define FM801_GPIO_GP2          (1<<2)
 132 #define FM801_GPIO_GP3          (1<<3)
 133 #define FM801_GPIO_GP(x)        (1<<(0+(x)))
 134 #define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 135 #define FM801_GPIO_GD1          (1<<9)
 136 #define FM801_GPIO_GD2          (1<<10)
 137 #define FM801_GPIO_GD3          (1<<11)
 138 #define FM801_GPIO_GD(x)        (1<<(8+(x)))
 139 #define FM801_GPIO_GS0          (1<<12) /* function select: */
 140 #define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 141 #define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 142 #define FM801_GPIO_GS3          (1<<15)
 143 #define FM801_GPIO_GS(x)        (1<<(12+(x)))
 144
 145 /**
 146  * struct fm801 - describes FM801 chip
 147  * @dev:                device for this chio
 148  * @irq:                irq number
 149  * @port:               I/O port number
 150  * @multichannel:       multichannel support
 151  * @secondary:          secondary codec
 152  * @secondary_addr:     address of the secondary codec
 153  * @tea575x_tuner:      tuner access method & flags
 154  * @ply_ctrl:           playback control
 155  * @cap_ctrl:           capture control
 156  * @ply_buffer:         playback buffer
 157  * @ply_buf:            playback buffer index
 158  * @ply_count:          playback buffer count
 159  * @ply_size:           playback buffer size
 160  * @ply_pos:            playback position
 161  * @cap_buffer:         capture buffer
 162  * @cap_buf:            capture buffer index
 163  * @cap_count:          capture buffer count
 164  * @cap_size:           capture buffer size
 165  * @cap_pos:            capture position
 166  * @ac97_bus:           ac97 bus handle
 167  * @ac97:               ac97 handle
 168  * @ac97_sec:           ac97 secondary handle
 169  * @card:               ALSA card
 170  * @pcm:                PCM devices
 171  * @rmidi:              rmidi device
 172  * @playback_substream: substream for playback
 173  * @capture_substream:  substream for capture
 174  * @p_dma_size:         playback DMA size
 175  * @c_dma_size:         capture DMA size
 176  * @reg_lock:           lock
 177  * @proc_entry:         /proc entry
 178  * @v4l2_dev:           v4l2 device
 179  * @tea:                tea575a structure
 180  * @saved_regs:         context saved during suspend
 181  */
 182 struct fm801 {
 183         struct device *dev;
 184         int irq;
 185
 186         unsigned long port;
 187         unsigned int multichannel: 1,
 188                      secondary: 1;
 189         unsigned char secondary_addr;
 190         unsigned int tea575x_tuner;
 191
 192         unsigned short ply_ctrl;
 193         unsigned short cap_ctrl;
 194
 195         unsigned long ply_buffer;
 196         unsigned int ply_buf;
 197         unsigned int ply_count;
 198         unsigned int ply_size;
 199         unsigned int ply_pos;
 200
 201         unsigned long cap_buffer;
 202         unsigned int cap_buf;
 203         unsigned int cap_count;
 204         unsigned int cap_size;
 205         unsigned int cap_pos;
 206
 207         struct snd_ac97_bus *ac97_bus;
 208         struct snd_ac97 *ac97;
 209         struct snd_ac97 *ac97_sec;
 210
 211         struct snd_card *card;
 212         struct snd_pcm *pcm;
 213         struct snd_rawmidi *rmidi;
 214         struct snd_pcm_substream *playback_substream;
 215         struct snd_pcm_substream *capture_substream;
 216         unsigned int p_dma_size;
 217         unsigned int c_dma_size;
 218
 219         spinlock_t reg_lock;
 220         struct snd_info_entry *proc_entry;
 221
 222 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 223         struct v4l2_device v4l2_dev;
 224         struct snd_tea575x tea;
 225 #endif
 226
 227 #ifdef CONFIG_PM_SLEEP
 228         u16 saved_regs[0x20];
 229 #endif
 230 };
 231
 232 /*
 233  * IO accessors
 234  */
 235
 236 static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
 237 {
 238         outw(value, chip->port + offset);
 239 }
 240
 241 static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
 242 {
 243         return inw(chip->port + offset);
 244 }
 245
 246 static const struct pci_device_id snd_fm801_ids[] = {
 247         { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 248         { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 249         { 0, }
 250 };
 251
 252 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 253
 254 /*
 255  *  common I/O routines
 256  */
 257
 258 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
 259 {
 260         unsigned int idx;
 261
 262         for (idx = 0; idx < iterations; idx++) {
 263                 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
 264                         return true;
 265                 udelay(10);
 266         }
 267         return false;
 268 }
 269
 270 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
 271 {
 272         unsigned int idx;
 273
 274         for (idx = 0; idx < iterations; idx++) {
 275                 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
 276                         return true;
 277                 udelay(10);
 278         }
 279         return false;
 280 }
 281
 282 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 283                                  unsigned short mask, unsigned short value)
 284 {
 285         int change;
 286         unsigned long flags;
 287         unsigned short old, new;
 288
 289         spin_lock_irqsave(&chip->reg_lock, flags);
 290         old = fm801_ioread16(chip, reg);
 291         new = (old & ~mask) | value;
 292         change = old != new;
 293         if (change)
 294                 fm801_iowrite16(chip, reg, new);
 295         spin_unlock_irqrestore(&chip->reg_lock, flags);
 296         return change;
 297 }
 298
 299 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 300                                   unsigned short reg,
 301                                   unsigned short val)
 302 {
 303         struct fm801 *chip = ac97->private_data;
 304
 305         /*
 306          *  Wait until the codec interface is not ready..
 307          */
 308         if (!fm801_ac97_is_ready(chip, 100)) {
 309                 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 310                 return;
 311         }
 312
 313         /* write data and address */
 314         fm801_writew(chip, AC97_DATA, val);
 315         fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
 316         /*
 317          *  Wait until the write command is not completed..
 318          */
 319         if (!fm801_ac97_is_ready(chip, 1000))
 320                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 321                 ac97->num);
 322 }
 323
 324 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 325 {
 326         struct fm801 *chip = ac97->private_data;
 327
 328         /*
 329          *  Wait until the codec interface is not ready..
 330          */
 331         if (!fm801_ac97_is_ready(chip, 100)) {
 332                 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 333                 return 0;
 334         }
 335
 336         /* read command */
 337         fm801_writew(chip, AC97_CMD,
 338                      reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
 339         if (!fm801_ac97_is_ready(chip, 100)) {
 340                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 341                         ac97->num);
 342                 return 0;
 343         }
 344
 345         if (!fm801_ac97_is_valid(chip, 1000)) {
 346                 dev_err(chip->card->dev,
 347                         "AC'97 interface #%d is not valid (2)\n", ac97->num);
 348                 return 0;
 349         }
 350
 351         return fm801_readw(chip, AC97_DATA);
 352 }
 353
 354 static const unsigned int rates[] = {
 355   5500,  8000,  9600, 11025,
 356   16000, 19200, 22050, 32000,
 357   38400, 44100, 48000
 358 };
 359
 360 static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 361         .count = ARRAY_SIZE(rates),
 362         .list = rates,
 363         .mask = 0,
 364 };
 365
 366 static const unsigned int channels[] = {
 367   2, 4, 6
 368 };
 369
 370 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 371         .count = ARRAY_SIZE(channels),
 372         .list = channels,
 373         .mask = 0,
 374 };
 375
 376 /*
 377  *  Sample rate routines
 378  */
 379
 380 static unsigned short snd_fm801_rate_bits(unsigned int rate)
 381 {
 382         unsigned int idx;
 383
 384         for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 385                 if (rates[idx] == rate)
 386                         return idx;
 387         snd_BUG();
 388         return ARRAY_SIZE(rates) - 1;
 389 }
 390
 391 /*
 392  *  PCM part
 393  */
 394
 395 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 396                                       int cmd)
 397 {
 398         struct fm801 *chip = snd_pcm_substream_chip(substream);
 399
 400         spin_lock(&chip->reg_lock);
 401         switch (cmd) {
 402         case SNDRV_PCM_TRIGGER_START:
 403                 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 404                                      FM801_BUF2_LAST |
 405                                      FM801_PAUSE);
 406                 chip->ply_ctrl |= FM801_START |
 407                                    FM801_IMMED_STOP;
 408                 break;
 409         case SNDRV_PCM_TRIGGER_STOP:
 410                 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 411                 break;
 412         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 413         case SNDRV_PCM_TRIGGER_SUSPEND:
 414                 chip->ply_ctrl |= FM801_PAUSE;
 415                 break;
 416         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 417         case SNDRV_PCM_TRIGGER_RESUME:
 418                 chip->ply_ctrl &= ~FM801_PAUSE;
 419                 break;
 420         default:
 421                 spin_unlock(&chip->reg_lock);
 422                 snd_BUG();
 423                 return -EINVAL;
 424         }
 425         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 426         spin_unlock(&chip->reg_lock);
 427         return 0;
 428 }
 429
 430 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 431                                      int cmd)
 432 {
 433         struct fm801 *chip = snd_pcm_substream_chip(substream);
 434
 435         spin_lock(&chip->reg_lock);
 436         switch (cmd) {
 437         case SNDRV_PCM_TRIGGER_START:
 438                 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 439                                      FM801_BUF2_LAST |
 440                                      FM801_PAUSE);
 441                 chip->cap_ctrl |= FM801_START |
 442                                    FM801_IMMED_STOP;
 443                 break;
 444         case SNDRV_PCM_TRIGGER_STOP:
 445                 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 446                 break;
 447         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 448         case SNDRV_PCM_TRIGGER_SUSPEND:
 449                 chip->cap_ctrl |= FM801_PAUSE;
 450                 break;
 451         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 452         case SNDRV_PCM_TRIGGER_RESUME:
 453                 chip->cap_ctrl &= ~FM801_PAUSE;
 454                 break;
 455         default:
 456                 spin_unlock(&chip->reg_lock);
 457                 snd_BUG();
 458                 return -EINVAL;
 459         }
 460         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 461         spin_unlock(&chip->reg_lock);
 462         return 0;
 463 }
 464
 465 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 466 {
 467         struct fm801 *chip = snd_pcm_substream_chip(substream);
 468         struct snd_pcm_runtime *runtime = substream->runtime;
 469
 470         chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 471         chip->ply_count = snd_pcm_lib_period_bytes(substream);
 472         spin_lock_irq(&chip->reg_lock);
 473         chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 474                              FM801_STEREO | FM801_RATE_MASK |
 475                              FM801_CHANNELS_MASK);
 476         if (snd_pcm_format_width(runtime->format) == 16)
 477                 chip->ply_ctrl |= FM801_16BIT;
 478         if (runtime->channels > 1) {
 479                 chip->ply_ctrl |= FM801_STEREO;
 480                 if (runtime->channels == 4)
 481                         chip->ply_ctrl |= FM801_CHANNELS_4;
 482                 else if (runtime->channels == 6)
 483                         chip->ply_ctrl |= FM801_CHANNELS_6;
 484         }
 485         chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 486         chip->ply_buf = 0;
 487         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 488         fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
 489         chip->ply_buffer = runtime->dma_addr;
 490         chip->ply_pos = 0;
 491         fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
 492         fm801_writel(chip, PLY_BUF2,
 493                      chip->ply_buffer + (chip->ply_count % chip->ply_size));
 494         spin_unlock_irq(&chip->reg_lock);
 495         return 0;
 496 }
 497
 498 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 499 {
 500         struct fm801 *chip = snd_pcm_substream_chip(substream);
 501         struct snd_pcm_runtime *runtime = substream->runtime;
 502
 503         chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 504         chip->cap_count = snd_pcm_lib_period_bytes(substream);
 505         spin_lock_irq(&chip->reg_lock);
 506         chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 507                              FM801_STEREO | FM801_RATE_MASK);
 508         if (snd_pcm_format_width(runtime->format) == 16)
 509                 chip->cap_ctrl |= FM801_16BIT;
 510         if (runtime->channels > 1)
 511                 chip->cap_ctrl |= FM801_STEREO;
 512         chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 513         chip->cap_buf = 0;
 514         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 515         fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
 516         chip->cap_buffer = runtime->dma_addr;
 517         chip->cap_pos = 0;
 518         fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
 519         fm801_writel(chip, CAP_BUF2,
 520                      chip->cap_buffer + (chip->cap_count % chip->cap_size));
 521         spin_unlock_irq(&chip->reg_lock);
 522         return 0;
 523 }
 524
 525 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 526 {
 527         struct fm801 *chip = snd_pcm_substream_chip(substream);
 528         size_t ptr;
 529
 530         if (!(chip->ply_ctrl & FM801_START))
 531                 return 0;
 532         spin_lock(&chip->reg_lock);
 533         ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
 534         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
 535                 ptr += chip->ply_count;
 536                 ptr %= chip->ply_size;
 537         }
 538         spin_unlock(&chip->reg_lock);
 539         return bytes_to_frames(substream->runtime, ptr);
 540 }
 541
 542 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 543 {
 544         struct fm801 *chip = snd_pcm_substream_chip(substream);
 545         size_t ptr;
 546
 547         if (!(chip->cap_ctrl & FM801_START))
 548                 return 0;
 549         spin_lock(&chip->reg_lock);
 550         ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
 551         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
 552                 ptr += chip->cap_count;
 553                 ptr %= chip->cap_size;
 554         }
 555         spin_unlock(&chip->reg_lock);
 556         return bytes_to_frames(substream->runtime, ptr);
 557 }
 558
 559 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 560 {
 561         struct fm801 *chip = dev_id;
 562         unsigned short status;
 563         unsigned int tmp;
 564
 565         status = fm801_readw(chip, IRQ_STATUS);
 566         status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 567         if (! status)
 568                 return IRQ_NONE;
 569         /* ack first */
 570         fm801_writew(chip, IRQ_STATUS, status);
 571         if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 572                 spin_lock(&chip->reg_lock);
 573                 chip->ply_buf++;
 574                 chip->ply_pos += chip->ply_count;
 575                 chip->ply_pos %= chip->ply_size;
 576                 tmp = chip->ply_pos + chip->ply_count;
 577                 tmp %= chip->ply_size;
 578                 if (chip->ply_buf & 1)
 579                         fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
 580                 else
 581                         fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
 582                 spin_unlock(&chip->reg_lock);
 583                 snd_pcm_period_elapsed(chip->playback_substream);
 584         }
 585         if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 586                 spin_lock(&chip->reg_lock);
 587                 chip->cap_buf++;
 588                 chip->cap_pos += chip->cap_count;
 589                 chip->cap_pos %= chip->cap_size;
 590                 tmp = chip->cap_pos + chip->cap_count;
 591                 tmp %= chip->cap_size;
 592                 if (chip->cap_buf & 1)
 593                         fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
 594                 else
 595                         fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
 596                 spin_unlock(&chip->reg_lock);
 597                 snd_pcm_period_elapsed(chip->capture_substream);
 598         }
 599         if (chip->rmidi && (status & FM801_IRQ_MPU))
 600                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 601         if (status & FM801_IRQ_VOLUME) {
 602                 /* TODO */
 603         }
 604
 605         return IRQ_HANDLED;
 606 }
 607
 608 static const struct snd_pcm_hardware snd_fm801_playback =
 609 {
 610         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 611                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 612                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 613                                  SNDRV_PCM_INFO_MMAP_VALID),
 614         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 615         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 616         .rate_min =             5500,
 617         .rate_max =             48000,
 618         .channels_min =         1,
 619         .channels_max =         2,
 620         .buffer_bytes_max =     (128*1024),
 621         .period_bytes_min =     64,
 622         .period_bytes_max =     (128*1024),
 623         .periods_min =          1,
 624         .periods_max =          1024,
 625         .fifo_size =            0,
 626 };
 627
 628 static const struct snd_pcm_hardware snd_fm801_capture =
 629 {
 630         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 631                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 632                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 633                                  SNDRV_PCM_INFO_MMAP_VALID),
 634         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 635         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 636         .rate_min =             5500,
 637         .rate_max =             48000,
 638         .channels_min =         1,
 639         .channels_max =         2,
 640         .buffer_bytes_max =     (128*1024),
 641         .period_bytes_min =     64,
 642         .period_bytes_max =     (128*1024),
 643         .periods_min =          1,
 644         .periods_max =          1024,
 645         .fifo_size =            0,
 646 };
 647
 648 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 649 {
 650         struct fm801 *chip = snd_pcm_substream_chip(substream);
 651         struct snd_pcm_runtime *runtime = substream->runtime;
 652         int err;
 653
 654         chip->playback_substream = substream;
 655         runtime->hw = snd_fm801_playback;
 656         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 657                                    &hw_constraints_rates);
 658         if (chip->multichannel) {
 659                 runtime->hw.channels_max = 6;
 660                 snd_pcm_hw_constraint_list(runtime, 0,
 661                                            SNDRV_PCM_HW_PARAM_CHANNELS,
 662                                            &hw_constraints_channels);
 663         }
 664         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 665                 return err;
 666         return 0;
 667 }
 668
 669 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 670 {
 671         struct fm801 *chip = snd_pcm_substream_chip(substream);
 672         struct snd_pcm_runtime *runtime = substream->runtime;
 673         int err;
 674
 675         chip->capture_substream = substream;
 676         runtime->hw = snd_fm801_capture;
 677         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 678                                    &hw_constraints_rates);
 679         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 680                 return err;
 681         return 0;
 682 }
 683
 684 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 685 {
 686         struct fm801 *chip = snd_pcm_substream_chip(substream);
 687
 688         chip->playback_substream = NULL;
 689         return 0;
 690 }
 691
 692 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 693 {
 694         struct fm801 *chip = snd_pcm_substream_chip(substream);
 695
 696         chip->capture_substream = NULL;
 697         return 0;
 698 }
 699
 700 static const struct snd_pcm_ops snd_fm801_playback_ops = {
 701         .open =         snd_fm801_playback_open,
 702         .close =        snd_fm801_playback_close,
 703         .prepare =      snd_fm801_playback_prepare,
 704         .trigger =      snd_fm801_playback_trigger,
 705         .pointer =      snd_fm801_playback_pointer,
 706 };
 707
 708 static const struct snd_pcm_ops snd_fm801_capture_ops = {
 709         .open =         snd_fm801_capture_open,
 710         .close =        snd_fm801_capture_close,
 711         .prepare =      snd_fm801_capture_prepare,
 712         .trigger =      snd_fm801_capture_trigger,
 713         .pointer =      snd_fm801_capture_pointer,
 714 };
 715
 716 static int snd_fm801_pcm(struct fm801 *chip, int device)
 717 {
 718         struct pci_dev *pdev = to_pci_dev(chip->dev);
 719         struct snd_pcm *pcm;
 720         int err;
 721
 722         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 723                 return err;
 724
 725         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 726         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 727
 728         pcm->private_data = chip;
 729         pcm->info_flags = 0;
 730         strcpy(pcm->name, "FM801");
 731         chip->pcm = pcm;
 732
 733         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
 734                                        chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 735
 736         return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 737                                      snd_pcm_alt_chmaps,
 738                                      chip->multichannel ? 6 : 2, 0,
 739                                      NULL);
 740 }
 741
 742 /*
 743  *  TEA5757 radio
 744  */
 745
 746 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 747
 748 /* GPIO to TEA575x maps */
 749 struct snd_fm801_tea575x_gpio {
 750         u8 data, clk, wren, most;
 751         char *name;
 752 };
 753
 754 static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 755         { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 756         { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 757         { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 758 };
 759
 760 #define get_tea575x_gpio(chip) \
 761         (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 762
 763 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 764 {
 765         struct fm801 *chip = tea->private_data;
 766         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 767         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 768
 769         reg &= ~(FM801_GPIO_GP(gpio.data) |
 770                  FM801_GPIO_GP(gpio.clk) |
 771                  FM801_GPIO_GP(gpio.wren));
 772
 773         reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 774         reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 775         /* WRITE_ENABLE is inverted */
 776         reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 777
 778         fm801_writew(chip, GPIO_CTRL, reg);
 779 }
 780
 781 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 782 {
 783         struct fm801 *chip = tea->private_data;
 784         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 785         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 786         u8 ret;
 787
 788         ret = 0;
 789         if (reg & FM801_GPIO_GP(gpio.data))
 790                 ret |= TEA575X_DATA;
 791         if (reg & FM801_GPIO_GP(gpio.most))
 792                 ret |= TEA575X_MOST;
 793         return ret;
 794 }
 795
 796 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 797 {
 798         struct fm801 *chip = tea->private_data;
 799         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 800         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 801
 802         /* use GPIO lines and set write enable bit */
 803         reg |= FM801_GPIO_GS(gpio.data) |
 804                FM801_GPIO_GS(gpio.wren) |
 805                FM801_GPIO_GS(gpio.clk) |
 806                FM801_GPIO_GS(gpio.most);
 807         if (output) {
 808                 /* all of lines are in the write direction */
 809                 /* clear data and clock lines */
 810                 reg &= ~(FM801_GPIO_GD(gpio.data) |
 811                          FM801_GPIO_GD(gpio.wren) |
 812                          FM801_GPIO_GD(gpio.clk) |
 813                          FM801_GPIO_GP(gpio.data) |
 814                          FM801_GPIO_GP(gpio.clk) |
 815                          FM801_GPIO_GP(gpio.wren));
 816         } else {
 817                 /* use GPIO lines, set data direction to input */
 818                 reg |= FM801_GPIO_GD(gpio.data) |
 819                        FM801_GPIO_GD(gpio.most) |
 820                        FM801_GPIO_GP(gpio.data) |
 821                        FM801_GPIO_GP(gpio.most) |
 822                        FM801_GPIO_GP(gpio.wren);
 823                 /* all of lines are in the write direction, except data */
 824                 /* clear data, write enable and clock lines */
 825                 reg &= ~(FM801_GPIO_GD(gpio.wren) |
 826                          FM801_GPIO_GD(gpio.clk) |
 827                          FM801_GPIO_GP(gpio.clk));
 828         }
 829
 830         fm801_writew(chip, GPIO_CTRL, reg);
 831 }
 832
 833 static const struct snd_tea575x_ops snd_fm801_tea_ops = {
 834         .set_pins = snd_fm801_tea575x_set_pins,
 835         .get_pins = snd_fm801_tea575x_get_pins,
 836         .set_direction = snd_fm801_tea575x_set_direction,
 837 };
 838 #endif
 839
 840 /*
 841  *  Mixer routines
 842  */
 843
 844 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
 845 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 846   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 847   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 848
 849 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 850                                  struct snd_ctl_elem_info *uinfo)
 851 {
 852         int mask = (kcontrol->private_value >> 16) & 0xff;
 853
 854         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 855         uinfo->count = 1;
 856         uinfo->value.integer.min = 0;
 857         uinfo->value.integer.max = mask;
 858         return 0;
 859 }
 860
 861 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 862                                 struct snd_ctl_elem_value *ucontrol)
 863 {
 864         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 865         int reg = kcontrol->private_value & 0xff;
 866         int shift = (kcontrol->private_value >> 8) & 0xff;
 867         int mask = (kcontrol->private_value >> 16) & 0xff;
 868         int invert = (kcontrol->private_value >> 24) & 0xff;
 869         long *value = ucontrol->value.integer.value;
 870
 871         value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
 872         if (invert)
 873                 value[0] = mask - value[0];
 874         return 0;
 875 }
 876
 877 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 878                                 struct snd_ctl_elem_value *ucontrol)
 879 {
 880         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 881         int reg = kcontrol->private_value & 0xff;
 882         int shift = (kcontrol->private_value >> 8) & 0xff;
 883         int mask = (kcontrol->private_value >> 16) & 0xff;
 884         int invert = (kcontrol->private_value >> 24) & 0xff;
 885         unsigned short val;
 886
 887         val = (ucontrol->value.integer.value[0] & mask);
 888         if (invert)
 889                 val = mask - val;
 890         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 891 }
 892
 893 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 894 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 895   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 896   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 897 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 898 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 899   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 900   .name = xname, .info = snd_fm801_info_double, \
 901   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 902   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 903   .tlv = { .p = (xtlv) } }
 904
 905 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 906                                  struct snd_ctl_elem_info *uinfo)
 907 {
 908         int mask = (kcontrol->private_value >> 16) & 0xff;
 909
 910         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 911         uinfo->count = 2;
 912         uinfo->value.integer.min = 0;
 913         uinfo->value.integer.max = mask;
 914         return 0;
 915 }
 916
 917 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 918                                 struct snd_ctl_elem_value *ucontrol)
 919 {
 920         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 921         int reg = kcontrol->private_value & 0xff;
 922         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 923         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 924         int mask = (kcontrol->private_value >> 16) & 0xff;
 925         int invert = (kcontrol->private_value >> 24) & 0xff;
 926         long *value = ucontrol->value.integer.value;
 927
 928         spin_lock_irq(&chip->reg_lock);
 929         value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
 930         value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
 931         spin_unlock_irq(&chip->reg_lock);
 932         if (invert) {
 933                 value[0] = mask - value[0];
 934                 value[1] = mask - value[1];
 935         }
 936         return 0;
 937 }
 938
 939 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 940                                 struct snd_ctl_elem_value *ucontrol)
 941 {
 942         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 943         int reg = kcontrol->private_value & 0xff;
 944         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 945         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 946         int mask = (kcontrol->private_value >> 16) & 0xff;
 947         int invert = (kcontrol->private_value >> 24) & 0xff;
 948         unsigned short val1, val2;
 949
 950         val1 = ucontrol->value.integer.value[0] & mask;
 951         val2 = ucontrol->value.integer.value[1] & mask;
 952         if (invert) {
 953                 val1 = mask - val1;
 954                 val2 = mask - val2;
 955         }
 956         return snd_fm801_update_bits(chip, reg,
 957                                      (mask << shift_left) | (mask << shift_right),
 958                                      (val1 << shift_left ) | (val2 << shift_right));
 959 }
 960
 961 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 962                               struct snd_ctl_elem_info *uinfo)
 963 {
 964         static const char * const texts[5] = {
 965                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 966         };
 967
 968         return snd_ctl_enum_info(uinfo, 1, 5, texts);
 969 }
 970
 971 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 972                              struct snd_ctl_elem_value *ucontrol)
 973 {
 974         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 975         unsigned short val;
 976
 977         val = fm801_readw(chip, REC_SRC) & 7;
 978         if (val > 4)
 979                 val = 4;
 980         ucontrol->value.enumerated.item[0] = val;
 981         return 0;
 982 }
 983
 984 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 985                              struct snd_ctl_elem_value *ucontrol)
 986 {
 987         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 988         unsigned short val;
 989
 990         if ((val = ucontrol->value.enumerated.item[0]) > 4)
 991                 return -EINVAL;
 992         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 993 }
 994
 995 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 996
 997 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 998
 999 static const struct snd_kcontrol_new snd_fm801_controls[] = {
1000 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1001                  db_scale_dsp),
1002 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1003 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1004                  db_scale_dsp),
1005 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1006 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1007                  db_scale_dsp),
1008 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1009 {
1010         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1011         .name = "Digital Capture Source",
1012         .info = snd_fm801_info_mux,
1013         .get = snd_fm801_get_mux,
1014         .put = snd_fm801_put_mux,
1015 }
1016 };
1017
1018 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1019
1020 static const struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1021 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1022 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1023 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1024 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1025 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1026 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1027 };
1028
1029 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1030 {
1031         struct fm801 *chip = bus->private_data;
1032         chip->ac97_bus = NULL;
1033 }
1034
1035 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1036 {
1037         struct fm801 *chip = ac97->private_data;
1038         if (ac97->num == 0) {
1039                 chip->ac97 = NULL;
1040         } else {
1041                 chip->ac97_sec = NULL;
1042         }
1043 }
1044
1045 static int snd_fm801_mixer(struct fm801 *chip)
1046 {
1047         struct snd_ac97_template ac97;
1048         unsigned int i;
1049         int err;
1050         static const struct snd_ac97_bus_ops ops = {
1051                 .write = snd_fm801_codec_write,
1052                 .read = snd_fm801_codec_read,
1053         };
1054
1055         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1056                 return err;
1057         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1058
1059         memset(&ac97, 0, sizeof(ac97));
1060         ac97.private_data = chip;
1061         ac97.private_free = snd_fm801_mixer_free_ac97;
1062         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1063                 return err;
1064         if (chip->secondary) {
1065                 ac97.num = 1;
1066                 ac97.addr = chip->secondary_addr;
1067                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1068                         return err;
1069         }
1070         for (i = 0; i < FM801_CONTROLS; i++) {
1071                 err = snd_ctl_add(chip->card,
1072                         snd_ctl_new1(&snd_fm801_controls[i], chip));
1073                 if (err < 0)
1074                         return err;
1075         }
1076         if (chip->multichannel) {
1077                 for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1078                         err = snd_ctl_add(chip->card,
1079                                 snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1080                         if (err < 0)
1081                                 return err;
1082                 }
1083         }
1084         return 0;
1085 }
1086
1087 /*
1088  *  initialization routines
1089  */
1090
1091 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1092                           unsigned short reg, unsigned long waits)
1093 {
1094         unsigned long timeout = jiffies + waits;
1095
1096         fm801_writew(chip, AC97_CMD,
1097                      reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1098         udelay(5);
1099         do {
1100                 if ((fm801_readw(chip, AC97_CMD) &
1101                      (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1102                         return 0;
1103                 schedule_timeout_uninterruptible(1);
1104         } while (time_after(timeout, jiffies));
1105         return -EIO;
1106 }
1107
1108 static int reset_codec(struct fm801 *chip)
1109 {
1110         /* codec cold reset + AC'97 warm reset */
1111         fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1112         fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1113         udelay(100);
1114         fm801_writew(chip, CODEC_CTRL, 0);
1115
1116         return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1117 }
1118
1119 static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1120 {
1121         unsigned short cmdw;
1122
1123         if (chip->multichannel) {
1124                 if (chip->secondary_addr) {
1125                         wait_for_codec(chip, chip->secondary_addr,
1126                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1127                 } else {
1128                         /* my card has the secondary codec */
1129                         /* at address #3, so the loop is inverted */
1130                         int i;
1131                         for (i = 3; i > 0; i--) {
1132                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1133                                                      msecs_to_jiffies(50))) {
1134                                         cmdw = fm801_readw(chip, AC97_DATA);
1135                                         if (cmdw != 0xffff && cmdw != 0) {
1136                                                 chip->secondary = 1;
1137                                                 chip->secondary_addr = i;
1138                                                 break;
1139                                         }
1140                                 }
1141                         }
1142                 }
1143
1144                 /* the recovery phase, it seems that probing for non-existing codec might */
1145                 /* cause timeout problems */
1146                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1147         }
1148 }
1149
1150 static void snd_fm801_chip_init(struct fm801 *chip)
1151 {
1152         unsigned short cmdw;
1153
1154         /* init volume */
1155         fm801_writew(chip, PCM_VOL, 0x0808);
1156         fm801_writew(chip, FM_VOL, 0x9f1f);
1157         fm801_writew(chip, I2S_VOL, 0x8808);
1158
1159         /* I2S control - I2S mode */
1160         fm801_writew(chip, I2S_MODE, 0x0003);
1161
1162         /* interrupt setup */
1163         cmdw = fm801_readw(chip, IRQ_MASK);
1164         if (chip->irq < 0)
1165                 cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1166         else
1167                 cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1168         fm801_writew(chip, IRQ_MASK, cmdw);
1169
1170         /* interrupt clear */
1171         fm801_writew(chip, IRQ_STATUS,
1172                      FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1173 }
1174
1175 static int snd_fm801_free(struct fm801 *chip)
1176 {
1177         unsigned short cmdw;
1178
1179         if (chip->irq < 0)
1180                 goto __end_hw;
1181
1182         /* interrupt setup - mask everything */
1183         cmdw = fm801_readw(chip, IRQ_MASK);
1184         cmdw |= 0x00c3;
1185         fm801_writew(chip, IRQ_MASK, cmdw);
1186
1187         devm_free_irq(chip->dev, chip->irq, chip);
1188
1189       __end_hw:
1190 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1191         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1192                 snd_tea575x_exit(&chip->tea);
1193                 v4l2_device_unregister(&chip->v4l2_dev);
1194         }
1195 #endif
1196         return 0;
1197 }
1198
1199 static int snd_fm801_dev_free(struct snd_device *device)
1200 {
1201         struct fm801 *chip = device->device_data;
1202         return snd_fm801_free(chip);
1203 }
1204
1205 static int snd_fm801_create(struct snd_card *card,
1206                             struct pci_dev *pci,
1207                             int tea575x_tuner,
1208                             int radio_nr,
1209                             struct fm801 **rchip)
1210 {
1211         struct fm801 *chip;
1212         int err;
1213         static const struct snd_device_ops ops = {
1214                 .dev_free =     snd_fm801_dev_free,
1215         };
1216
1217         *rchip = NULL;
1218         if ((err = pcim_enable_device(pci)) < 0)
1219                 return err;
1220         chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1221         if (chip == NULL)
1222                 return -ENOMEM;
1223         spin_lock_init(&chip->reg_lock);
1224         chip->card = card;
1225         chip->dev = &pci->dev;
1226         chip->irq = -1;
1227         chip->tea575x_tuner = tea575x_tuner;
1228         if ((err = pci_request_regions(pci, "FM801")) < 0)
1229                 return err;
1230         chip->port = pci_resource_start(pci, 0);
1231
1232         if (pci->revision >= 0xb1)      /* FM801-AU */
1233                 chip->multichannel = 1;
1234
1235         if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1236                 if (reset_codec(chip) < 0) {
1237                         dev_info(chip->card->dev,
1238                                  "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1239                         chip->tea575x_tuner = 3 | TUNER_ONLY;
1240                 } else {
1241                         snd_fm801_chip_multichannel_init(chip);
1242                 }
1243         }
1244
1245         if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1246                 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1247                                 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1248                         dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1249                         snd_fm801_free(chip);
1250                         return -EBUSY;
1251                 }
1252                 chip->irq = pci->irq;
1253                 card->sync_irq = chip->irq;
1254                 pci_set_master(pci);
1255         }
1256
1257         snd_fm801_chip_init(chip);
1258
1259         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1260                 snd_fm801_free(chip);
1261                 return err;
1262         }
1263
1264 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1265         err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1266         if (err < 0) {
1267                 snd_fm801_free(chip);
1268                 return err;
1269         }
1270         chip->tea.v4l2_dev = &chip->v4l2_dev;
1271         chip->tea.radio_nr = radio_nr;
1272         chip->tea.private_data = chip;
1273         chip->tea.ops = &snd_fm801_tea_ops;
1274         sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1275         if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1276             (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1277                 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1278                         dev_err(card->dev, "TEA575x radio not found\n");
1279                         snd_fm801_free(chip);
1280                         return -ENODEV;
1281                 }
1282         } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1283                 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1284
1285                 /* autodetect tuner connection */
1286                 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1287                         chip->tea575x_tuner = tea575x_tuner;
1288                         if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1289                                 dev_info(card->dev,
1290                                          "detected TEA575x radio type %s\n",
1291                                            get_tea575x_gpio(chip)->name);
1292                                 break;
1293                         }
1294                 }
1295                 if (tea575x_tuner == 4) {
1296                         dev_err(card->dev, "TEA575x radio not found\n");
1297                         chip->tea575x_tuner = TUNER_DISABLED;
1298                 }
1299
1300                 chip->tea575x_tuner |= tuner_only;
1301         }
1302         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1303                 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1304                         sizeof(chip->tea.card));
1305         }
1306 #endif
1307
1308         *rchip = chip;
1309         return 0;
1310 }
1311
1312 static int snd_card_fm801_probe(struct pci_dev *pci,
1313                                 const struct pci_device_id *pci_id)
1314 {
1315         static int dev;
1316         struct snd_card *card;
1317         struct fm801 *chip;
1318         struct snd_opl3 *opl3;
1319         int err;
1320
1321         if (dev >= SNDRV_CARDS)
1322                 return -ENODEV;
1323         if (!enable[dev]) {
1324                 dev++;
1325                 return -ENOENT;
1326         }
1327
1328         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1329                            0, &card);
1330         if (err < 0)
1331                 return err;
1332         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1333                 snd_card_free(card);
1334                 return err;
1335         }
1336         card->private_data = chip;
1337
1338         strcpy(card->driver, "FM801");
1339         strcpy(card->shortname, "ForteMedia FM801-");
1340         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1341         sprintf(card->longname, "%s at 0x%lx, irq %i",
1342                 card->shortname, chip->port, chip->irq);
1343
1344         if (chip->tea575x_tuner & TUNER_ONLY)
1345                 goto __fm801_tuner_only;
1346
1347         if ((err = snd_fm801_pcm(chip, 0)) < 0) {
1348                 snd_card_free(card);
1349                 return err;
1350         }
1351         if ((err = snd_fm801_mixer(chip)) < 0) {
1352                 snd_card_free(card);
1353                 return err;
1354         }
1355         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1356                                        chip->port + FM801_MPU401_DATA,
1357                                        MPU401_INFO_INTEGRATED |
1358                                        MPU401_INFO_IRQ_HOOK,
1359                                        -1, &chip->rmidi)) < 0) {
1360                 snd_card_free(card);
1361                 return err;
1362         }
1363         if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1364                                    chip->port + FM801_OPL3_BANK1,
1365                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1366                 snd_card_free(card);
1367                 return err;
1368         }
1369         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1370                 snd_card_free(card);
1371                 return err;
1372         }
1373
1374       __fm801_tuner_only:
1375         if ((err = snd_card_register(card)) < 0) {
1376                 snd_card_free(card);
1377                 return err;
1378         }
1379         pci_set_drvdata(pci, card);
1380         dev++;
1381         return 0;
1382 }
1383
1384 static void snd_card_fm801_remove(struct pci_dev *pci)
1385 {
1386         snd_card_free(pci_get_drvdata(pci));
1387 }
1388
1389 #ifdef CONFIG_PM_SLEEP
1390 static const unsigned char saved_regs[] = {
1391         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1392         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1393         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1394         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1395 };
1396
1397 static int snd_fm801_suspend(struct device *dev)
1398 {
1399         struct snd_card *card = dev_get_drvdata(dev);
1400         struct fm801 *chip = card->private_data;
1401         int i;
1402
1403         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1404
1405         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1406                 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1407
1408         if (chip->tea575x_tuner & TUNER_ONLY) {
1409                 /* FIXME: tea575x suspend */
1410         } else {
1411                 snd_ac97_suspend(chip->ac97);
1412                 snd_ac97_suspend(chip->ac97_sec);
1413         }
1414
1415         return 0;
1416 }
1417
1418 static int snd_fm801_resume(struct device *dev)
1419 {
1420         struct snd_card *card = dev_get_drvdata(dev);
1421         struct fm801 *chip = card->private_data;
1422         int i;
1423
1424         if (chip->tea575x_tuner & TUNER_ONLY) {
1425                 snd_fm801_chip_init(chip);
1426         } else {
1427                 reset_codec(chip);
1428                 snd_fm801_chip_multichannel_init(chip);
1429                 snd_fm801_chip_init(chip);
1430                 snd_ac97_resume(chip->ac97);
1431                 snd_ac97_resume(chip->ac97_sec);
1432         }
1433
1434         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1435                 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1436
1437 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1438         if (!(chip->tea575x_tuner & TUNER_DISABLED))
1439                 snd_tea575x_set_freq(&chip->tea);
1440 #endif
1441
1442         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1443         return 0;
1444 }
1445
1446 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1447 #define SND_FM801_PM_OPS        &snd_fm801_pm
1448 #else
1449 #define SND_FM801_PM_OPS        NULL
1450 #endif /* CONFIG_PM_SLEEP */
1451
1452 static struct pci_driver fm801_driver = {
1453         .name = KBUILD_MODNAME,
1454         .id_table = snd_fm801_ids,
1455         .probe = snd_card_fm801_probe,
1456         .remove = snd_card_fm801_remove,
1457         .driver = {
1458                 .pm = SND_FM801_PM_OPS,
1459         },
1460 };
1461
1462 module_pci_driver(fm801_driver);