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