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
  30 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  31 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  32 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  33 /*
  34  *  Enable TEA575x tuner
  35  *    1 = MediaForte 256-PCS
  36  *    2 = MediaForte 256-PCP
  37  *    3 = MediaForte 64-PCR
  38  *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  39  *  High 16-bits are video (radio) device number + 1
  40  */
  41 static int tea575x_tuner[SNDRV_CARDS];
  42 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  43
  44 module_param_array(index, int, NULL, 0444);
  45 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  46 module_param_array(id, charp, NULL, 0444);
  47 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  48 module_param_array(enable, bool, NULL, 0444);
  49 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  50 module_param_array(tea575x_tuner, int, NULL, 0444);
  51 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).");
  52 module_param_array(radio_nr, int, NULL, 0444);
  53 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
  54
  55
  56 #define TUNER_DISABLED          (1<<3)
  57 #define TUNER_ONLY              (1<<4)
  58 #define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
  59
  60 /*
  61  *  Direct registers
  62  */
  63
  64 #define fm801_writew(chip,reg,value)    outw((value), chip->port + FM801_##reg)
  65 #define fm801_readw(chip,reg)           inw(chip->port + FM801_##reg)
  66
  67 #define fm801_writel(chip,reg,value)    outl((value), chip->port + FM801_##reg)
  68
  69 #define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  70 #define FM801_FM_VOL            0x02    /* FM Output Volume */
  71 #define FM801_I2S_VOL           0x04    /* I2S Volume */
  72 #define FM801_REC_SRC           0x06    /* Record Source */
  73 #define FM801_PLY_CTRL          0x08    /* Playback Control */
  74 #define FM801_PLY_COUNT         0x0a    /* Playback Count */
  75 #define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  76 #define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  77 #define FM801_CAP_CTRL          0x14    /* Capture Control */
  78 #define FM801_CAP_COUNT         0x16    /* Capture Count */
  79 #define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  80 #define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  81 #define FM801_CODEC_CTRL        0x22    /* Codec Control */
  82 #define FM801_I2S_MODE          0x24    /* I2S Mode Control */
  83 #define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
  84 #define FM801_I2C_CTRL          0x29    /* I2C Control */
  85 #define FM801_AC97_CMD          0x2a    /* AC'97 Command */
  86 #define FM801_AC97_DATA         0x2c    /* AC'97 Data */
  87 #define FM801_MPU401_DATA       0x30    /* MPU401 Data */
  88 #define FM801_MPU401_CMD        0x31    /* MPU401 Command */
  89 #define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
  90 #define FM801_GEN_CTRL          0x54    /* General Control */
  91 #define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
  92 #define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
  93 #define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
  94 #define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
  95 #define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
  96 #define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
  97 #define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
  98
  99 /* codec access */
 100 #define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
 101 #define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
 102 #define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
 103 #define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
 104
 105 /* playback and record control register bits */
 106 #define FM801_BUF1_LAST         (1<<1)
 107 #define FM801_BUF2_LAST         (1<<2)
 108 #define FM801_START             (1<<5)
 109 #define FM801_PAUSE             (1<<6)
 110 #define FM801_IMMED_STOP        (1<<7)
 111 #define FM801_RATE_SHIFT        8
 112 #define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 113 #define FM801_CHANNELS_4        (1<<12) /* playback only */
 114 #define FM801_CHANNELS_6        (2<<12) /* playback only */
 115 #define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 116 #define FM801_CHANNELS_MASK     (3<<12)
 117 #define FM801_16BIT             (1<<14)
 118 #define FM801_STEREO            (1<<15)
 119
 120 /* IRQ status bits */
 121 #define FM801_IRQ_PLAYBACK      (1<<8)
 122 #define FM801_IRQ_CAPTURE       (1<<9)
 123 #define FM801_IRQ_VOLUME        (1<<14)
 124 #define FM801_IRQ_MPU           (1<<15)
 125
 126 /* GPIO control register */
 127 #define FM801_GPIO_GP0          (1<<0)  /* read/write */
 128 #define FM801_GPIO_GP1          (1<<1)
 129 #define FM801_GPIO_GP2          (1<<2)
 130 #define FM801_GPIO_GP3          (1<<3)
 131 #define FM801_GPIO_GP(x)        (1<<(0+(x)))
 132 #define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 133 #define FM801_GPIO_GD1          (1<<9)
 134 #define FM801_GPIO_GD2          (1<<10)
 135 #define FM801_GPIO_GD3          (1<<11)
 136 #define FM801_GPIO_GD(x)        (1<<(8+(x)))
 137 #define FM801_GPIO_GS0          (1<<12) /* function select: */
 138 #define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 139 #define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 140 #define FM801_GPIO_GS3          (1<<15)
 141 #define FM801_GPIO_GS(x)        (1<<(12+(x)))
 142
 143 /**
 144  * struct fm801 - describes FM801 chip
 145  * @dev:                device for this chio
 146  * @irq:                irq number
 147  * @port:               I/O port number
 148  * @multichannel:       multichannel support
 149  * @secondary:          secondary codec
 150  * @secondary_addr:     address of the secondary codec
 151  * @tea575x_tuner:      tuner access method & flags
 152  * @ply_ctrl:           playback control
 153  * @cap_ctrl:           capture control
 154  * @ply_buffer:         playback buffer
 155  * @ply_buf:            playback buffer index
 156  * @ply_count:          playback buffer count
 157  * @ply_size:           playback buffer size
 158  * @ply_pos:            playback position
 159  * @cap_buffer:         capture buffer
 160  * @cap_buf:            capture buffer index
 161  * @cap_count:          capture buffer count
 162  * @cap_size:           capture buffer size
 163  * @cap_pos:            capture position
 164  * @ac97_bus:           ac97 bus handle
 165  * @ac97:               ac97 handle
 166  * @ac97_sec:           ac97 secondary handle
 167  * @card:               ALSA card
 168  * @pcm:                PCM devices
 169  * @rmidi:              rmidi device
 170  * @playback_substream: substream for playback
 171  * @capture_substream:  substream for capture
 172  * @p_dma_size:         playback DMA size
 173  * @c_dma_size:         capture DMA size
 174  * @reg_lock:           lock
 175  * @proc_entry:         /proc entry
 176  * @v4l2_dev:           v4l2 device
 177  * @tea:                tea575a structure
 178  * @saved_regs:         context saved during suspend
 179  */
 180 struct fm801 {
 181         struct device *dev;
 182         int irq;
 183
 184         unsigned long port;
 185         unsigned int multichannel: 1,
 186                      secondary: 1;
 187         unsigned char secondary_addr;
 188         unsigned int tea575x_tuner;
 189
 190         unsigned short ply_ctrl;
 191         unsigned short cap_ctrl;
 192
 193         unsigned long ply_buffer;
 194         unsigned int ply_buf;
 195         unsigned int ply_count;
 196         unsigned int ply_size;
 197         unsigned int ply_pos;
 198
 199         unsigned long cap_buffer;
 200         unsigned int cap_buf;
 201         unsigned int cap_count;
 202         unsigned int cap_size;
 203         unsigned int cap_pos;
 204
 205         struct snd_ac97_bus *ac97_bus;
 206         struct snd_ac97 *ac97;
 207         struct snd_ac97 *ac97_sec;
 208
 209         struct snd_card *card;
 210         struct snd_pcm *pcm;
 211         struct snd_rawmidi *rmidi;
 212         struct snd_pcm_substream *playback_substream;
 213         struct snd_pcm_substream *capture_substream;
 214         unsigned int p_dma_size;
 215         unsigned int c_dma_size;
 216
 217         spinlock_t reg_lock;
 218         struct snd_info_entry *proc_entry;
 219
 220 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 221         struct v4l2_device v4l2_dev;
 222         struct snd_tea575x tea;
 223 #endif
 224
 225         u16 saved_regs[0x20];
 226 };
 227
 228 /*
 229  * IO accessors
 230  */
 231
 232 static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
 233 {
 234         outw(value, chip->port + offset);
 235 }
 236
 237 static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
 238 {
 239         return inw(chip->port + offset);
 240 }
 241
 242 static const struct pci_device_id snd_fm801_ids[] = {
 243         { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 244         { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 245         { 0, }
 246 };
 247
 248 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 249
 250 /*
 251  *  common I/O routines
 252  */
 253
 254 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
 255 {
 256         unsigned int idx;
 257
 258         for (idx = 0; idx < iterations; idx++) {
 259                 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
 260                         return true;
 261                 udelay(10);
 262         }
 263         return false;
 264 }
 265
 266 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
 267 {
 268         unsigned int idx;
 269
 270         for (idx = 0; idx < iterations; idx++) {
 271                 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
 272                         return true;
 273                 udelay(10);
 274         }
 275         return false;
 276 }
 277
 278 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 279                                  unsigned short mask, unsigned short value)
 280 {
 281         int change;
 282         unsigned long flags;
 283         unsigned short old, new;
 284
 285         spin_lock_irqsave(&chip->reg_lock, flags);
 286         old = fm801_ioread16(chip, reg);
 287         new = (old & ~mask) | value;
 288         change = old != new;
 289         if (change)
 290                 fm801_iowrite16(chip, reg, new);
 291         spin_unlock_irqrestore(&chip->reg_lock, flags);
 292         return change;
 293 }
 294
 295 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 296                                   unsigned short reg,
 297                                   unsigned short val)
 298 {
 299         struct fm801 *chip = ac97->private_data;
 300
 301         /*
 302          *  Wait until the codec interface is not ready..
 303          */
 304         if (!fm801_ac97_is_ready(chip, 100)) {
 305                 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 306                 return;
 307         }
 308
 309         /* write data and address */
 310         fm801_writew(chip, AC97_DATA, val);
 311         fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
 312         /*
 313          *  Wait until the write command is not completed..
 314          */
 315         if (!fm801_ac97_is_ready(chip, 1000))
 316                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 317                 ac97->num);
 318 }
 319
 320 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 321 {
 322         struct fm801 *chip = ac97->private_data;
 323
 324         /*
 325          *  Wait until the codec interface is not ready..
 326          */
 327         if (!fm801_ac97_is_ready(chip, 100)) {
 328                 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 329                 return 0;
 330         }
 331
 332         /* read command */
 333         fm801_writew(chip, AC97_CMD,
 334                      reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
 335         if (!fm801_ac97_is_ready(chip, 100)) {
 336                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 337                         ac97->num);
 338                 return 0;
 339         }
 340
 341         if (!fm801_ac97_is_valid(chip, 1000)) {
 342                 dev_err(chip->card->dev,
 343                         "AC'97 interface #%d is not valid (2)\n", ac97->num);
 344                 return 0;
 345         }
 346
 347         return fm801_readw(chip, AC97_DATA);
 348 }
 349
 350 static const unsigned int rates[] = {
 351   5500,  8000,  9600, 11025,
 352   16000, 19200, 22050, 32000,
 353   38400, 44100, 48000
 354 };
 355
 356 static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 357         .count = ARRAY_SIZE(rates),
 358         .list = rates,
 359         .mask = 0,
 360 };
 361
 362 static const unsigned int channels[] = {
 363   2, 4, 6
 364 };
 365
 366 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 367         .count = ARRAY_SIZE(channels),
 368         .list = channels,
 369         .mask = 0,
 370 };
 371
 372 /*
 373  *  Sample rate routines
 374  */
 375
 376 static unsigned short snd_fm801_rate_bits(unsigned int rate)
 377 {
 378         unsigned int idx;
 379
 380         for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 381                 if (rates[idx] == rate)
 382                         return idx;
 383         snd_BUG();
 384         return ARRAY_SIZE(rates) - 1;
 385 }
 386
 387 /*
 388  *  PCM part
 389  */
 390
 391 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 392                                       int cmd)
 393 {
 394         struct fm801 *chip = snd_pcm_substream_chip(substream);
 395
 396         spin_lock(&chip->reg_lock);
 397         switch (cmd) {
 398         case SNDRV_PCM_TRIGGER_START:
 399                 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 400                                      FM801_BUF2_LAST |
 401                                      FM801_PAUSE);
 402                 chip->ply_ctrl |= FM801_START |
 403                                    FM801_IMMED_STOP;
 404                 break;
 405         case SNDRV_PCM_TRIGGER_STOP:
 406                 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 407                 break;
 408         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 409         case SNDRV_PCM_TRIGGER_SUSPEND:
 410                 chip->ply_ctrl |= FM801_PAUSE;
 411                 break;
 412         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 413         case SNDRV_PCM_TRIGGER_RESUME:
 414                 chip->ply_ctrl &= ~FM801_PAUSE;
 415                 break;
 416         default:
 417                 spin_unlock(&chip->reg_lock);
 418                 snd_BUG();
 419                 return -EINVAL;
 420         }
 421         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 422         spin_unlock(&chip->reg_lock);
 423         return 0;
 424 }
 425
 426 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 427                                      int cmd)
 428 {
 429         struct fm801 *chip = snd_pcm_substream_chip(substream);
 430
 431         spin_lock(&chip->reg_lock);
 432         switch (cmd) {
 433         case SNDRV_PCM_TRIGGER_START:
 434                 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 435                                      FM801_BUF2_LAST |
 436                                      FM801_PAUSE);
 437                 chip->cap_ctrl |= FM801_START |
 438                                    FM801_IMMED_STOP;
 439                 break;
 440         case SNDRV_PCM_TRIGGER_STOP:
 441                 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 442                 break;
 443         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 444         case SNDRV_PCM_TRIGGER_SUSPEND:
 445                 chip->cap_ctrl |= FM801_PAUSE;
 446                 break;
 447         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 448         case SNDRV_PCM_TRIGGER_RESUME:
 449                 chip->cap_ctrl &= ~FM801_PAUSE;
 450                 break;
 451         default:
 452                 spin_unlock(&chip->reg_lock);
 453                 snd_BUG();
 454                 return -EINVAL;
 455         }
 456         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 457         spin_unlock(&chip->reg_lock);
 458         return 0;
 459 }
 460
 461 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 462 {
 463         struct fm801 *chip = snd_pcm_substream_chip(substream);
 464         struct snd_pcm_runtime *runtime = substream->runtime;
 465
 466         chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 467         chip->ply_count = snd_pcm_lib_period_bytes(substream);
 468         spin_lock_irq(&chip->reg_lock);
 469         chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 470                              FM801_STEREO | FM801_RATE_MASK |
 471                              FM801_CHANNELS_MASK);
 472         if (snd_pcm_format_width(runtime->format) == 16)
 473                 chip->ply_ctrl |= FM801_16BIT;
 474         if (runtime->channels > 1) {
 475                 chip->ply_ctrl |= FM801_STEREO;
 476                 if (runtime->channels == 4)
 477                         chip->ply_ctrl |= FM801_CHANNELS_4;
 478                 else if (runtime->channels == 6)
 479                         chip->ply_ctrl |= FM801_CHANNELS_6;
 480         }
 481         chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 482         chip->ply_buf = 0;
 483         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 484         fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
 485         chip->ply_buffer = runtime->dma_addr;
 486         chip->ply_pos = 0;
 487         fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
 488         fm801_writel(chip, PLY_BUF2,
 489                      chip->ply_buffer + (chip->ply_count % chip->ply_size));
 490         spin_unlock_irq(&chip->reg_lock);
 491         return 0;
 492 }
 493
 494 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 495 {
 496         struct fm801 *chip = snd_pcm_substream_chip(substream);
 497         struct snd_pcm_runtime *runtime = substream->runtime;
 498
 499         chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 500         chip->cap_count = snd_pcm_lib_period_bytes(substream);
 501         spin_lock_irq(&chip->reg_lock);
 502         chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 503                              FM801_STEREO | FM801_RATE_MASK);
 504         if (snd_pcm_format_width(runtime->format) == 16)
 505                 chip->cap_ctrl |= FM801_16BIT;
 506         if (runtime->channels > 1)
 507                 chip->cap_ctrl |= FM801_STEREO;
 508         chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 509         chip->cap_buf = 0;
 510         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 511         fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
 512         chip->cap_buffer = runtime->dma_addr;
 513         chip->cap_pos = 0;
 514         fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
 515         fm801_writel(chip, CAP_BUF2,
 516                      chip->cap_buffer + (chip->cap_count % chip->cap_size));
 517         spin_unlock_irq(&chip->reg_lock);
 518         return 0;
 519 }
 520
 521 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 522 {
 523         struct fm801 *chip = snd_pcm_substream_chip(substream);
 524         size_t ptr;
 525
 526         if (!(chip->ply_ctrl & FM801_START))
 527                 return 0;
 528         spin_lock(&chip->reg_lock);
 529         ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
 530         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
 531                 ptr += chip->ply_count;
 532                 ptr %= chip->ply_size;
 533         }
 534         spin_unlock(&chip->reg_lock);
 535         return bytes_to_frames(substream->runtime, ptr);
 536 }
 537
 538 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 539 {
 540         struct fm801 *chip = snd_pcm_substream_chip(substream);
 541         size_t ptr;
 542
 543         if (!(chip->cap_ctrl & FM801_START))
 544                 return 0;
 545         spin_lock(&chip->reg_lock);
 546         ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
 547         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
 548                 ptr += chip->cap_count;
 549                 ptr %= chip->cap_size;
 550         }
 551         spin_unlock(&chip->reg_lock);
 552         return bytes_to_frames(substream->runtime, ptr);
 553 }
 554
 555 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 556 {
 557         struct fm801 *chip = dev_id;
 558         unsigned short status;
 559         unsigned int tmp;
 560
 561         status = fm801_readw(chip, IRQ_STATUS);
 562         status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 563         if (! status)
 564                 return IRQ_NONE;
 565         /* ack first */
 566         fm801_writew(chip, IRQ_STATUS, status);
 567         if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 568                 spin_lock(&chip->reg_lock);
 569                 chip->ply_buf++;
 570                 chip->ply_pos += chip->ply_count;
 571                 chip->ply_pos %= chip->ply_size;
 572                 tmp = chip->ply_pos + chip->ply_count;
 573                 tmp %= chip->ply_size;
 574                 if (chip->ply_buf & 1)
 575                         fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
 576                 else
 577                         fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
 578                 spin_unlock(&chip->reg_lock);
 579                 snd_pcm_period_elapsed(chip->playback_substream);
 580         }
 581         if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 582                 spin_lock(&chip->reg_lock);
 583                 chip->cap_buf++;
 584                 chip->cap_pos += chip->cap_count;
 585                 chip->cap_pos %= chip->cap_size;
 586                 tmp = chip->cap_pos + chip->cap_count;
 587                 tmp %= chip->cap_size;
 588                 if (chip->cap_buf & 1)
 589                         fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
 590                 else
 591                         fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
 592                 spin_unlock(&chip->reg_lock);
 593                 snd_pcm_period_elapsed(chip->capture_substream);
 594         }
 595         if (chip->rmidi && (status & FM801_IRQ_MPU))
 596                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 597         if (status & FM801_IRQ_VOLUME) {
 598                 /* TODO */
 599         }
 600
 601         return IRQ_HANDLED;
 602 }
 603
 604 static const struct snd_pcm_hardware snd_fm801_playback =
 605 {
 606         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 607                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 608                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 609                                  SNDRV_PCM_INFO_MMAP_VALID),
 610         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 611         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 612         .rate_min =             5500,
 613         .rate_max =             48000,
 614         .channels_min =         1,
 615         .channels_max =         2,
 616         .buffer_bytes_max =     (128*1024),
 617         .period_bytes_min =     64,
 618         .period_bytes_max =     (128*1024),
 619         .periods_min =          1,
 620         .periods_max =          1024,
 621         .fifo_size =            0,
 622 };
 623
 624 static const struct snd_pcm_hardware snd_fm801_capture =
 625 {
 626         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 627                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 628                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 629                                  SNDRV_PCM_INFO_MMAP_VALID),
 630         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 631         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 632         .rate_min =             5500,
 633         .rate_max =             48000,
 634         .channels_min =         1,
 635         .channels_max =         2,
 636         .buffer_bytes_max =     (128*1024),
 637         .period_bytes_min =     64,
 638         .period_bytes_max =     (128*1024),
 639         .periods_min =          1,
 640         .periods_max =          1024,
 641         .fifo_size =            0,
 642 };
 643
 644 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 645 {
 646         struct fm801 *chip = snd_pcm_substream_chip(substream);
 647         struct snd_pcm_runtime *runtime = substream->runtime;
 648         int err;
 649
 650         chip->playback_substream = substream;
 651         runtime->hw = snd_fm801_playback;
 652         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 653                                    &hw_constraints_rates);
 654         if (chip->multichannel) {
 655                 runtime->hw.channels_max = 6;
 656                 snd_pcm_hw_constraint_list(runtime, 0,
 657                                            SNDRV_PCM_HW_PARAM_CHANNELS,
 658                                            &hw_constraints_channels);
 659         }
 660         err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
 661         if (err < 0)
 662                 return err;
 663         return 0;
 664 }
 665
 666 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 667 {
 668         struct fm801 *chip = snd_pcm_substream_chip(substream);
 669         struct snd_pcm_runtime *runtime = substream->runtime;
 670         int err;
 671
 672         chip->capture_substream = substream;
 673         runtime->hw = snd_fm801_capture;
 674         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 675                                    &hw_constraints_rates);
 676         err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
 677         if (err < 0)
 678                 return err;
 679         return 0;
 680 }
 681
 682 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 683 {
 684         struct fm801 *chip = snd_pcm_substream_chip(substream);
 685
 686         chip->playback_substream = NULL;
 687         return 0;
 688 }
 689
 690 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 691 {
 692         struct fm801 *chip = snd_pcm_substream_chip(substream);
 693
 694         chip->capture_substream = NULL;
 695         return 0;
 696 }
 697
 698 static const struct snd_pcm_ops snd_fm801_playback_ops = {
 699         .open =         snd_fm801_playback_open,
 700         .close =        snd_fm801_playback_close,
 701         .prepare =      snd_fm801_playback_prepare,
 702         .trigger =      snd_fm801_playback_trigger,
 703         .pointer =      snd_fm801_playback_pointer,
 704 };
 705
 706 static const struct snd_pcm_ops snd_fm801_capture_ops = {
 707         .open =         snd_fm801_capture_open,
 708         .close =        snd_fm801_capture_close,
 709         .prepare =      snd_fm801_capture_prepare,
 710         .trigger =      snd_fm801_capture_trigger,
 711         .pointer =      snd_fm801_capture_pointer,
 712 };
 713
 714 static int snd_fm801_pcm(struct fm801 *chip, int device)
 715 {
 716         struct pci_dev *pdev = to_pci_dev(chip->dev);
 717         struct snd_pcm *pcm;
 718         int err;
 719
 720         err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm);
 721         if (err < 0)
 722                 return err;
 723
 724         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 725         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 726
 727         pcm->private_data = chip;
 728         pcm->info_flags = 0;
 729         strcpy(pcm->name, "FM801");
 730         chip->pcm = pcm;
 731
 732         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
 733                                        chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 734
 735         return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 736                                      snd_pcm_alt_chmaps,
 737                                      chip->multichannel ? 6 : 2, 0,
 738                                      NULL);
 739 }
 740
 741 /*
 742  *  TEA5757 radio
 743  */
 744
 745 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 746
 747 /* GPIO to TEA575x maps */
 748 struct snd_fm801_tea575x_gpio {
 749         u8 data, clk, wren, most;
 750         char *name;
 751 };
 752
 753 static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 754         { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 755         { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 756         { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 757 };
 758
 759 #define get_tea575x_gpio(chip) \
 760         (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 761
 762 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 763 {
 764         struct fm801 *chip = tea->private_data;
 765         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 766         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 767
 768         reg &= ~(FM801_GPIO_GP(gpio.data) |
 769                  FM801_GPIO_GP(gpio.clk) |
 770                  FM801_GPIO_GP(gpio.wren));
 771
 772         reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 773         reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 774         /* WRITE_ENABLE is inverted */
 775         reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 776
 777         fm801_writew(chip, GPIO_CTRL, reg);
 778 }
 779
 780 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 781 {
 782         struct fm801 *chip = tea->private_data;
 783         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 784         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 785         u8 ret;
 786
 787         ret = 0;
 788         if (reg & FM801_GPIO_GP(gpio.data))
 789                 ret |= TEA575X_DATA;
 790         if (reg & FM801_GPIO_GP(gpio.most))
 791                 ret |= TEA575X_MOST;
 792         return ret;
 793 }
 794
 795 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 796 {
 797         struct fm801 *chip = tea->private_data;
 798         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 799         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 800
 801         /* use GPIO lines and set write enable bit */
 802         reg |= FM801_GPIO_GS(gpio.data) |
 803                FM801_GPIO_GS(gpio.wren) |
 804                FM801_GPIO_GS(gpio.clk) |
 805                FM801_GPIO_GS(gpio.most);
 806         if (output) {
 807                 /* all of lines are in the write direction */
 808                 /* clear data and clock lines */
 809                 reg &= ~(FM801_GPIO_GD(gpio.data) |
 810                          FM801_GPIO_GD(gpio.wren) |
 811                          FM801_GPIO_GD(gpio.clk) |
 812                          FM801_GPIO_GP(gpio.data) |
 813                          FM801_GPIO_GP(gpio.clk) |
 814                          FM801_GPIO_GP(gpio.wren));
 815         } else {
 816                 /* use GPIO lines, set data direction to input */
 817                 reg |= FM801_GPIO_GD(gpio.data) |
 818                        FM801_GPIO_GD(gpio.most) |
 819                        FM801_GPIO_GP(gpio.data) |
 820                        FM801_GPIO_GP(gpio.most) |
 821                        FM801_GPIO_GP(gpio.wren);
 822                 /* all of lines are in the write direction, except data */
 823                 /* clear data, write enable and clock lines */
 824                 reg &= ~(FM801_GPIO_GD(gpio.wren) |
 825                          FM801_GPIO_GD(gpio.clk) |
 826                          FM801_GPIO_GP(gpio.clk));
 827         }
 828
 829         fm801_writew(chip, GPIO_CTRL, reg);
 830 }
 831
 832 static const struct snd_tea575x_ops snd_fm801_tea_ops = {
 833         .set_pins = snd_fm801_tea575x_set_pins,
 834         .get_pins = snd_fm801_tea575x_get_pins,
 835         .set_direction = snd_fm801_tea575x_set_direction,
 836 };
 837 #endif
 838
 839 /*
 840  *  Mixer routines
 841  */
 842
 843 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
 844 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 845   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 846   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 847
 848 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 849                                  struct snd_ctl_elem_info *uinfo)
 850 {
 851         int mask = (kcontrol->private_value >> 16) & 0xff;
 852
 853         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 854         uinfo->count = 1;
 855         uinfo->value.integer.min = 0;
 856         uinfo->value.integer.max = mask;
 857         return 0;
 858 }
 859
 860 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 861                                 struct snd_ctl_elem_value *ucontrol)
 862 {
 863         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 864         int reg = kcontrol->private_value & 0xff;
 865         int shift = (kcontrol->private_value >> 8) & 0xff;
 866         int mask = (kcontrol->private_value >> 16) & 0xff;
 867         int invert = (kcontrol->private_value >> 24) & 0xff;
 868         long *value = ucontrol->value.integer.value;
 869
 870         value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
 871         if (invert)
 872                 value[0] = mask - value[0];
 873         return 0;
 874 }
 875
 876 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 877                                 struct snd_ctl_elem_value *ucontrol)
 878 {
 879         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 880         int reg = kcontrol->private_value & 0xff;
 881         int shift = (kcontrol->private_value >> 8) & 0xff;
 882         int mask = (kcontrol->private_value >> 16) & 0xff;
 883         int invert = (kcontrol->private_value >> 24) & 0xff;
 884         unsigned short val;
 885
 886         val = (ucontrol->value.integer.value[0] & mask);
 887         if (invert)
 888                 val = mask - val;
 889         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 890 }
 891
 892 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 893 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 894   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 895   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 896 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 897 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 898   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 899   .name = xname, .info = snd_fm801_info_double, \
 900   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 901   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 902   .tlv = { .p = (xtlv) } }
 903
 904 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 905                                  struct snd_ctl_elem_info *uinfo)
 906 {
 907         int mask = (kcontrol->private_value >> 16) & 0xff;
 908
 909         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 910         uinfo->count = 2;
 911         uinfo->value.integer.min = 0;
 912         uinfo->value.integer.max = mask;
 913         return 0;
 914 }
 915
 916 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 917                                 struct snd_ctl_elem_value *ucontrol)
 918 {
 919         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 920         int reg = kcontrol->private_value & 0xff;
 921         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 922         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 923         int mask = (kcontrol->private_value >> 16) & 0xff;
 924         int invert = (kcontrol->private_value >> 24) & 0xff;
 925         long *value = ucontrol->value.integer.value;
 926
 927         spin_lock_irq(&chip->reg_lock);
 928         value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
 929         value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
 930         spin_unlock_irq(&chip->reg_lock);
 931         if (invert) {
 932                 value[0] = mask - value[0];
 933                 value[1] = mask - value[1];
 934         }
 935         return 0;
 936 }
 937
 938 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 939                                 struct snd_ctl_elem_value *ucontrol)
 940 {
 941         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 942         int reg = kcontrol->private_value & 0xff;
 943         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 944         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 945         int mask = (kcontrol->private_value >> 16) & 0xff;
 946         int invert = (kcontrol->private_value >> 24) & 0xff;
 947         unsigned short val1, val2;
 948
 949         val1 = ucontrol->value.integer.value[0] & mask;
 950         val2 = ucontrol->value.integer.value[1] & mask;
 951         if (invert) {
 952                 val1 = mask - val1;
 953                 val2 = mask - val2;
 954         }
 955         return snd_fm801_update_bits(chip, reg,
 956                                      (mask << shift_left) | (mask << shift_right),
 957                                      (val1 << shift_left ) | (val2 << shift_right));
 958 }
 959
 960 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 961                               struct snd_ctl_elem_info *uinfo)
 962 {
 963         static const char * const texts[5] = {
 964                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 965         };
 966
 967         return snd_ctl_enum_info(uinfo, 1, 5, texts);
 968 }
 969
 970 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 971                              struct snd_ctl_elem_value *ucontrol)
 972 {
 973         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 974         unsigned short val;
 975
 976         val = fm801_readw(chip, REC_SRC) & 7;
 977         if (val > 4)
 978                 val = 4;
 979         ucontrol->value.enumerated.item[0] = val;
 980         return 0;
 981 }
 982
 983 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 984                              struct snd_ctl_elem_value *ucontrol)
 985 {
 986         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 987         unsigned short val;
 988
 989         val = ucontrol->value.enumerated.item[0];
 990         if (val > 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 int snd_fm801_mixer(struct fm801 *chip)
1030 {
1031         struct snd_ac97_template ac97;
1032         unsigned int i;
1033         int err;
1034         static const struct snd_ac97_bus_ops ops = {
1035                 .write = snd_fm801_codec_write,
1036                 .read = snd_fm801_codec_read,
1037         };
1038
1039         err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus);
1040         if (err < 0)
1041                 return err;
1042
1043         memset(&ac97, 0, sizeof(ac97));
1044         ac97.private_data = chip;
1045         err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97);
1046         if (err < 0)
1047                 return err;
1048         if (chip->secondary) {
1049                 ac97.num = 1;
1050                 ac97.addr = chip->secondary_addr;
1051                 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec);
1052                 if (err < 0)
1053                         return err;
1054         }
1055         for (i = 0; i < FM801_CONTROLS; i++) {
1056                 err = snd_ctl_add(chip->card,
1057                         snd_ctl_new1(&snd_fm801_controls[i], chip));
1058                 if (err < 0)
1059                         return err;
1060         }
1061         if (chip->multichannel) {
1062                 for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1063                         err = snd_ctl_add(chip->card,
1064                                 snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1065                         if (err < 0)
1066                                 return err;
1067                 }
1068         }
1069         return 0;
1070 }
1071
1072 /*
1073  *  initialization routines
1074  */
1075
1076 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1077                           unsigned short reg, unsigned long waits)
1078 {
1079         unsigned long timeout = jiffies + waits;
1080
1081         fm801_writew(chip, AC97_CMD,
1082                      reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1083         udelay(5);
1084         do {
1085                 if ((fm801_readw(chip, AC97_CMD) &
1086                      (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1087                         return 0;
1088                 schedule_timeout_uninterruptible(1);
1089         } while (time_after(timeout, jiffies));
1090         return -EIO;
1091 }
1092
1093 static int reset_codec(struct fm801 *chip)
1094 {
1095         /* codec cold reset + AC'97 warm reset */
1096         fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1097         fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1098         udelay(100);
1099         fm801_writew(chip, CODEC_CTRL, 0);
1100
1101         return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1102 }
1103
1104 static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1105 {
1106         unsigned short cmdw;
1107
1108         if (chip->multichannel) {
1109                 if (chip->secondary_addr) {
1110                         wait_for_codec(chip, chip->secondary_addr,
1111                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1112                 } else {
1113                         /* my card has the secondary codec */
1114                         /* at address #3, so the loop is inverted */
1115                         int i;
1116                         for (i = 3; i > 0; i--) {
1117                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1118                                                      msecs_to_jiffies(50))) {
1119                                         cmdw = fm801_readw(chip, AC97_DATA);
1120                                         if (cmdw != 0xffff && cmdw != 0) {
1121                                                 chip->secondary = 1;
1122                                                 chip->secondary_addr = i;
1123                                                 break;
1124                                         }
1125                                 }
1126                         }
1127                 }
1128
1129                 /* the recovery phase, it seems that probing for non-existing codec might */
1130                 /* cause timeout problems */
1131                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1132         }
1133 }
1134
1135 static void snd_fm801_chip_init(struct fm801 *chip)
1136 {
1137         unsigned short cmdw;
1138
1139         /* init volume */
1140         fm801_writew(chip, PCM_VOL, 0x0808);
1141         fm801_writew(chip, FM_VOL, 0x9f1f);
1142         fm801_writew(chip, I2S_VOL, 0x8808);
1143
1144         /* I2S control - I2S mode */
1145         fm801_writew(chip, I2S_MODE, 0x0003);
1146
1147         /* interrupt setup */
1148         cmdw = fm801_readw(chip, IRQ_MASK);
1149         if (chip->irq < 0)
1150                 cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1151         else
1152                 cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1153         fm801_writew(chip, IRQ_MASK, cmdw);
1154
1155         /* interrupt clear */
1156         fm801_writew(chip, IRQ_STATUS,
1157                      FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1158 }
1159
1160 static void snd_fm801_free(struct snd_card *card)
1161 {
1162         struct fm801 *chip = card->private_data;
1163         unsigned short cmdw;
1164
1165         /* interrupt setup - mask everything */
1166         cmdw = fm801_readw(chip, IRQ_MASK);
1167         cmdw |= 0x00c3;
1168         fm801_writew(chip, IRQ_MASK, cmdw);
1169
1170 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1171         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1172                 snd_tea575x_exit(&chip->tea);
1173                 v4l2_device_unregister(&chip->v4l2_dev);
1174         }
1175 #endif
1176 }
1177
1178 static int snd_fm801_create(struct snd_card *card,
1179                             struct pci_dev *pci,
1180                             int tea575x_tuner,
1181                             int radio_nr)
1182 {
1183         struct fm801 *chip = card->private_data;
1184         int err;
1185
1186         err = pcim_enable_device(pci);
1187         if (err < 0)
1188                 return err;
1189         spin_lock_init(&chip->reg_lock);
1190         chip->card = card;
1191         chip->dev = &pci->dev;
1192         chip->irq = -1;
1193         chip->tea575x_tuner = tea575x_tuner;
1194         err = pci_request_regions(pci, "FM801");
1195         if (err < 0)
1196                 return err;
1197         chip->port = pci_resource_start(pci, 0);
1198
1199         if (pci->revision >= 0xb1)      /* FM801-AU */
1200                 chip->multichannel = 1;
1201
1202         if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1203                 if (reset_codec(chip) < 0) {
1204                         dev_info(chip->card->dev,
1205                                  "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1206                         chip->tea575x_tuner = 3 | TUNER_ONLY;
1207                 } else {
1208                         snd_fm801_chip_multichannel_init(chip);
1209                 }
1210         }
1211
1212         if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1213                 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1214                                 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1215                         dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1216                         return -EBUSY;
1217                 }
1218                 chip->irq = pci->irq;
1219                 card->sync_irq = chip->irq;
1220                 pci_set_master(pci);
1221         }
1222
1223         card->private_free = snd_fm801_free;
1224         snd_fm801_chip_init(chip);
1225
1226 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1227         err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1228         if (err < 0)
1229                 return err;
1230         chip->tea.v4l2_dev = &chip->v4l2_dev;
1231         chip->tea.radio_nr = radio_nr;
1232         chip->tea.private_data = chip;
1233         chip->tea.ops = &snd_fm801_tea_ops;
1234         sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1235         if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1236             (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1237                 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1238                         dev_err(card->dev, "TEA575x radio not found\n");
1239                         return -ENODEV;
1240                 }
1241         } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1242                 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1243
1244                 /* autodetect tuner connection */
1245                 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1246                         chip->tea575x_tuner = tea575x_tuner;
1247                         if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1248                                 dev_info(card->dev,
1249                                          "detected TEA575x radio type %s\n",
1250                                            get_tea575x_gpio(chip)->name);
1251                                 break;
1252                         }
1253                 }
1254                 if (tea575x_tuner == 4) {
1255                         dev_err(card->dev, "TEA575x radio not found\n");
1256                         chip->tea575x_tuner = TUNER_DISABLED;
1257                 }
1258
1259                 chip->tea575x_tuner |= tuner_only;
1260         }
1261         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1262                 strscpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1263                         sizeof(chip->tea.card));
1264         }
1265 #endif
1266         return 0;
1267 }
1268
1269 static int __snd_card_fm801_probe(struct pci_dev *pci,
1270                                   const struct pci_device_id *pci_id)
1271 {
1272         static int dev;
1273         struct snd_card *card;
1274         struct fm801 *chip;
1275         struct snd_opl3 *opl3;
1276         int err;
1277
1278         if (dev >= SNDRV_CARDS)
1279                 return -ENODEV;
1280         if (!enable[dev]) {
1281                 dev++;
1282                 return -ENOENT;
1283         }
1284
1285         err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1286                                 sizeof(*chip), &card);
1287         if (err < 0)
1288                 return err;
1289         chip = card->private_data;
1290         err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev]);
1291         if (err < 0)
1292                 return err;
1293
1294         strcpy(card->driver, "FM801");
1295         strcpy(card->shortname, "ForteMedia FM801-");
1296         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1297         sprintf(card->longname, "%s at 0x%lx, irq %i",
1298                 card->shortname, chip->port, chip->irq);
1299
1300         if (chip->tea575x_tuner & TUNER_ONLY)
1301                 goto __fm801_tuner_only;
1302
1303         err = snd_fm801_pcm(chip, 0);
1304         if (err < 0)
1305                 return err;
1306         err = snd_fm801_mixer(chip);
1307         if (err < 0)
1308                 return err;
1309         err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1310                                   chip->port + FM801_MPU401_DATA,
1311                                   MPU401_INFO_INTEGRATED |
1312                                   MPU401_INFO_IRQ_HOOK,
1313                                   -1, &chip->rmidi);
1314         if (err < 0)
1315                 return err;
1316         err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1317                               chip->port + FM801_OPL3_BANK1,
1318                               OPL3_HW_OPL3_FM801, 1, &opl3);
1319         if (err < 0)
1320                 return err;
1321         err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
1322         if (err < 0)
1323                 return err;
1324
1325       __fm801_tuner_only:
1326         err = snd_card_register(card);
1327         if (err < 0)
1328                 return err;
1329         pci_set_drvdata(pci, card);
1330         dev++;
1331         return 0;
1332 }
1333
1334 static int snd_card_fm801_probe(struct pci_dev *pci,
1335                                 const struct pci_device_id *pci_id)
1336 {
1337         return snd_card_free_on_error(&pci->dev, __snd_card_fm801_probe(pci, pci_id));
1338 }
1339
1340 static const unsigned char saved_regs[] = {
1341         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1342         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1343         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1344         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1345 };
1346
1347 static int snd_fm801_suspend(struct device *dev)
1348 {
1349         struct snd_card *card = dev_get_drvdata(dev);
1350         struct fm801 *chip = card->private_data;
1351         int i;
1352
1353         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1354
1355         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1356                 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1357
1358         if (chip->tea575x_tuner & TUNER_ONLY) {
1359                 /* FIXME: tea575x suspend */
1360         } else {
1361                 snd_ac97_suspend(chip->ac97);
1362                 snd_ac97_suspend(chip->ac97_sec);
1363         }
1364
1365         return 0;
1366 }
1367
1368 static int snd_fm801_resume(struct device *dev)
1369 {
1370         struct snd_card *card = dev_get_drvdata(dev);
1371         struct fm801 *chip = card->private_data;
1372         int i;
1373
1374         if (chip->tea575x_tuner & TUNER_ONLY) {
1375                 snd_fm801_chip_init(chip);
1376         } else {
1377                 reset_codec(chip);
1378                 snd_fm801_chip_multichannel_init(chip);
1379                 snd_fm801_chip_init(chip);
1380                 snd_ac97_resume(chip->ac97);
1381                 snd_ac97_resume(chip->ac97_sec);
1382         }
1383
1384         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1385                 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1386
1387 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1388         if (!(chip->tea575x_tuner & TUNER_DISABLED))
1389                 snd_tea575x_set_freq(&chip->tea);
1390 #endif
1391
1392         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1393         return 0;
1394 }
1395
1396 static DEFINE_SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1397
1398 static struct pci_driver fm801_driver = {
1399         .name = KBUILD_MODNAME,
1400         .id_table = snd_fm801_ids,
1401         .probe = snd_card_fm801_probe,
1402         .driver = {
1403                 .pm = &snd_fm801_pm,
1404         },
1405 };
1406
1407 module_pci_driver(fm801_driver);