sound/pci/fm801.c

   1 /*
   2  *  The driver for the ForteMedia FM801 based soundcards
   3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4  *
   5  *  Support FM only card by Andy Shevchenko <andy@smile.org.ua>
   6  *
   7  *   This program is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License as published by
   9  *   the Free Software Foundation; either version 2 of the License, or
  10  *   (at your option) any later version.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program; if not, write to the Free Software
  19  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  *
  21  */
  22
  23 #include <linux/delay.h>
  24 #include <linux/init.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/io.h>
  27 #include <linux/pci.h>
  28 #include <linux/slab.h>
  29 #include <linux/module.h>
  30 #include <sound/core.h>
  31 #include <sound/pcm.h>
  32 #include <sound/tlv.h>
  33 #include <sound/ac97_codec.h>
  34 #include <sound/mpu401.h>
  35 #include <sound/opl3.h>
  36 #include <sound/initval.h>
  37
  38 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
  39 #include <media/tea575x.h>
  40 #endif
  41
  42 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  43 MODULE_DESCRIPTION("ForteMedia FM801");
  44 MODULE_LICENSE("GPL");
  45 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  46                 "{Genius,SoundMaker Live 5.1}}");
  47
  48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  50 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  51 /*
  52  *  Enable TEA575x tuner
  53  *    1 = MediaForte 256-PCS
  54  *    2 = MediaForte 256-PCP
  55  *    3 = MediaForte 64-PCR
  56  *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  57  *  High 16-bits are video (radio) device number + 1
  58  */
  59 static int tea575x_tuner[SNDRV_CARDS];
  60 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  61
  62 module_param_array(index, int, NULL, 0444);
  63 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  64 module_param_array(id, charp, NULL, 0444);
  65 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  66 module_param_array(enable, bool, NULL, 0444);
  67 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  68 module_param_array(tea575x_tuner, int, NULL, 0444);
  69 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).");
  70 module_param_array(radio_nr, int, NULL, 0444);
  71 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
  72
  73
  74 #define TUNER_DISABLED          (1<<3)
  75 #define TUNER_ONLY              (1<<4)
  76 #define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
  77
  78 /*
  79  *  Direct registers
  80  */
  81
  82 #define fm801_writew(chip,reg,value)    outw((value), chip->port + FM801_##reg)
  83 #define fm801_readw(chip,reg)           inw(chip->port + FM801_##reg)
  84
  85 #define fm801_writel(chip,reg,value)    outl((value), chip->port + FM801_##reg)
  86
  87 #define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  88 #define FM801_FM_VOL            0x02    /* FM Output Volume */
  89 #define FM801_I2S_VOL           0x04    /* I2S Volume */
  90 #define FM801_REC_SRC           0x06    /* Record Source */
  91 #define FM801_PLY_CTRL          0x08    /* Playback Control */
  92 #define FM801_PLY_COUNT         0x0a    /* Playback Count */
  93 #define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  94 #define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  95 #define FM801_CAP_CTRL          0x14    /* Capture Control */
  96 #define FM801_CAP_COUNT         0x16    /* Capture Count */
  97 #define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  98 #define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  99 #define FM801_CODEC_CTRL        0x22    /* Codec Control */
 100 #define FM801_I2S_MODE          0x24    /* I2S Mode Control */
 101 #define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
 102 #define FM801_I2C_CTRL          0x29    /* I2C Control */
 103 #define FM801_AC97_CMD          0x2a    /* AC'97 Command */
 104 #define FM801_AC97_DATA         0x2c    /* AC'97 Data */
 105 #define FM801_MPU401_DATA       0x30    /* MPU401 Data */
 106 #define FM801_MPU401_CMD        0x31    /* MPU401 Command */
 107 #define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
 108 #define FM801_GEN_CTRL          0x54    /* General Control */
 109 #define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
 110 #define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
 111 #define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
 112 #define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
 113 #define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
 114 #define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
 115 #define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
 116
 117 /* codec access */
 118 #define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
 119 #define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
 120 #define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
 121 #define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
 122
 123 /* playback and record control register bits */
 124 #define FM801_BUF1_LAST         (1<<1)
 125 #define FM801_BUF2_LAST         (1<<2)
 126 #define FM801_START             (1<<5)
 127 #define FM801_PAUSE             (1<<6)
 128 #define FM801_IMMED_STOP        (1<<7)
 129 #define FM801_RATE_SHIFT        8
 130 #define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 131 #define FM801_CHANNELS_4        (1<<12) /* playback only */
 132 #define FM801_CHANNELS_6        (2<<12) /* playback only */
 133 #define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 134 #define FM801_CHANNELS_MASK     (3<<12)
 135 #define FM801_16BIT             (1<<14)
 136 #define FM801_STEREO            (1<<15)
 137
 138 /* IRQ status bits */
 139 #define FM801_IRQ_PLAYBACK      (1<<8)
 140 #define FM801_IRQ_CAPTURE       (1<<9)
 141 #define FM801_IRQ_VOLUME        (1<<14)
 142 #define FM801_IRQ_MPU           (1<<15)
 143
 144 /* GPIO control register */
 145 #define FM801_GPIO_GP0          (1<<0)  /* read/write */
 146 #define FM801_GPIO_GP1          (1<<1)
 147 #define FM801_GPIO_GP2          (1<<2)
 148 #define FM801_GPIO_GP3          (1<<3)
 149 #define FM801_GPIO_GP(x)        (1<<(0+(x)))
 150 #define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 151 #define FM801_GPIO_GD1          (1<<9)
 152 #define FM801_GPIO_GD2          (1<<10)
 153 #define FM801_GPIO_GD3          (1<<11)
 154 #define FM801_GPIO_GD(x)        (1<<(8+(x)))
 155 #define FM801_GPIO_GS0          (1<<12) /* function select: */
 156 #define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 157 #define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 158 #define FM801_GPIO_GS3          (1<<15)
 159 #define FM801_GPIO_GS(x)        (1<<(12+(x)))
 160
 161 /**
 162  * struct fm801 - describes FM801 chip
 163  * @port:               I/O port number
 164  * @multichannel:       multichannel support
 165  * @secondary:          secondary codec
 166  * @secondary_addr:     address of the secondary codec
 167  * @tea575x_tuner:      tuner access method & flags
 168  * @ply_ctrl:           playback control
 169  * @cap_ctrl:           capture control
 170  */
 171 struct fm801 {
 172         int irq;
 173
 174         unsigned long port;
 175         unsigned int multichannel: 1,
 176                      secondary: 1;
 177         unsigned char secondary_addr;
 178         unsigned int tea575x_tuner;
 179
 180         unsigned short ply_ctrl;
 181         unsigned short cap_ctrl;
 182
 183         unsigned long ply_buffer;
 184         unsigned int ply_buf;
 185         unsigned int ply_count;
 186         unsigned int ply_size;
 187         unsigned int ply_pos;
 188
 189         unsigned long cap_buffer;
 190         unsigned int cap_buf;
 191         unsigned int cap_count;
 192         unsigned int cap_size;
 193         unsigned int cap_pos;
 194
 195         struct snd_ac97_bus *ac97_bus;
 196         struct snd_ac97 *ac97;
 197         struct snd_ac97 *ac97_sec;
 198
 199         struct pci_dev *pci;
 200         struct snd_card *card;
 201         struct snd_pcm *pcm;
 202         struct snd_rawmidi *rmidi;
 203         struct snd_pcm_substream *playback_substream;
 204         struct snd_pcm_substream *capture_substream;
 205         unsigned int p_dma_size;
 206         unsigned int c_dma_size;
 207
 208         spinlock_t reg_lock;
 209         struct snd_info_entry *proc_entry;
 210
 211 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 212         struct v4l2_device v4l2_dev;
 213         struct snd_tea575x tea;
 214 #endif
 215
 216 #ifdef CONFIG_PM_SLEEP
 217         u16 saved_regs[0x20];
 218 #endif
 219 };
 220
 221 static const struct pci_device_id snd_fm801_ids[] = {
 222         { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 223         { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 224         { 0, }
 225 };
 226
 227 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 228
 229 /*
 230  *  common I/O routines
 231  */
 232
 233 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
 234 {
 235         unsigned int idx;
 236
 237         for (idx = 0; idx < iterations; idx++) {
 238                 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
 239                         return true;
 240                 udelay(10);
 241         }
 242         return false;
 243 }
 244
 245 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
 246 {
 247         unsigned int idx;
 248
 249         for (idx = 0; idx < iterations; idx++) {
 250                 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
 251                         return true;
 252                 udelay(10);
 253         }
 254         return false;
 255 }
 256
 257 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 258                                  unsigned short mask, unsigned short value)
 259 {
 260         int change;
 261         unsigned long flags;
 262         unsigned short old, new;
 263
 264         spin_lock_irqsave(&chip->reg_lock, flags);
 265         old = inw(chip->port + reg);
 266         new = (old & ~mask) | value;
 267         change = old != new;
 268         if (change)
 269                 outw(new, chip->port + reg);
 270         spin_unlock_irqrestore(&chip->reg_lock, flags);
 271         return change;
 272 }
 273
 274 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 275                                   unsigned short reg,
 276                                   unsigned short val)
 277 {
 278         struct fm801 *chip = ac97->private_data;
 279
 280         /*
 281          *  Wait until the codec interface is not ready..
 282          */
 283         if (!fm801_ac97_is_ready(chip, 100)) {
 284                 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 285                 return;
 286         }
 287
 288         /* write data and address */
 289         fm801_writew(chip, AC97_DATA, val);
 290         fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
 291         /*
 292          *  Wait until the write command is not completed..
 293          */
 294         if (!fm801_ac97_is_ready(chip, 1000))
 295                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 296                 ac97->num);
 297 }
 298
 299 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 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 0;
 309         }
 310
 311         /* read command */
 312         fm801_writew(chip, AC97_CMD,
 313                      reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
 314         if (!fm801_ac97_is_ready(chip, 100)) {
 315                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 316                         ac97->num);
 317                 return 0;
 318         }
 319
 320         if (!fm801_ac97_is_valid(chip, 1000)) {
 321                 dev_err(chip->card->dev,
 322                         "AC'97 interface #%d is not valid (2)\n", ac97->num);
 323                 return 0;
 324         }
 325
 326         return fm801_readw(chip, AC97_DATA);
 327 }
 328
 329 static unsigned int rates[] = {
 330   5500,  8000,  9600, 11025,
 331   16000, 19200, 22050, 32000,
 332   38400, 44100, 48000
 333 };
 334
 335 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 336         .count = ARRAY_SIZE(rates),
 337         .list = rates,
 338         .mask = 0,
 339 };
 340
 341 static unsigned int channels[] = {
 342   2, 4, 6
 343 };
 344
 345 static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 346         .count = ARRAY_SIZE(channels),
 347         .list = channels,
 348         .mask = 0,
 349 };
 350
 351 /*
 352  *  Sample rate routines
 353  */
 354
 355 static unsigned short snd_fm801_rate_bits(unsigned int rate)
 356 {
 357         unsigned int idx;
 358
 359         for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 360                 if (rates[idx] == rate)
 361                         return idx;
 362         snd_BUG();
 363         return ARRAY_SIZE(rates) - 1;
 364 }
 365
 366 /*
 367  *  PCM part
 368  */
 369
 370 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 371                                       int cmd)
 372 {
 373         struct fm801 *chip = snd_pcm_substream_chip(substream);
 374
 375         spin_lock(&chip->reg_lock);
 376         switch (cmd) {
 377         case SNDRV_PCM_TRIGGER_START:
 378                 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 379                                      FM801_BUF2_LAST |
 380                                      FM801_PAUSE);
 381                 chip->ply_ctrl |= FM801_START |
 382                                    FM801_IMMED_STOP;
 383                 break;
 384         case SNDRV_PCM_TRIGGER_STOP:
 385                 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 386                 break;
 387         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 388         case SNDRV_PCM_TRIGGER_SUSPEND:
 389                 chip->ply_ctrl |= FM801_PAUSE;
 390                 break;
 391         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 392         case SNDRV_PCM_TRIGGER_RESUME:
 393                 chip->ply_ctrl &= ~FM801_PAUSE;
 394                 break;
 395         default:
 396                 spin_unlock(&chip->reg_lock);
 397                 snd_BUG();
 398                 return -EINVAL;
 399         }
 400         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 401         spin_unlock(&chip->reg_lock);
 402         return 0;
 403 }
 404
 405 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 406                                      int cmd)
 407 {
 408         struct fm801 *chip = snd_pcm_substream_chip(substream);
 409
 410         spin_lock(&chip->reg_lock);
 411         switch (cmd) {
 412         case SNDRV_PCM_TRIGGER_START:
 413                 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 414                                      FM801_BUF2_LAST |
 415                                      FM801_PAUSE);
 416                 chip->cap_ctrl |= FM801_START |
 417                                    FM801_IMMED_STOP;
 418                 break;
 419         case SNDRV_PCM_TRIGGER_STOP:
 420                 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 421                 break;
 422         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 423         case SNDRV_PCM_TRIGGER_SUSPEND:
 424                 chip->cap_ctrl |= FM801_PAUSE;
 425                 break;
 426         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 427         case SNDRV_PCM_TRIGGER_RESUME:
 428                 chip->cap_ctrl &= ~FM801_PAUSE;
 429                 break;
 430         default:
 431                 spin_unlock(&chip->reg_lock);
 432                 snd_BUG();
 433                 return -EINVAL;
 434         }
 435         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 436         spin_unlock(&chip->reg_lock);
 437         return 0;
 438 }
 439
 440 static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
 441                                struct snd_pcm_hw_params *hw_params)
 442 {
 443         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 444 }
 445
 446 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
 447 {
 448         return snd_pcm_lib_free_pages(substream);
 449 }
 450
 451 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 452 {
 453         struct fm801 *chip = snd_pcm_substream_chip(substream);
 454         struct snd_pcm_runtime *runtime = substream->runtime;
 455
 456         chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 457         chip->ply_count = snd_pcm_lib_period_bytes(substream);
 458         spin_lock_irq(&chip->reg_lock);
 459         chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 460                              FM801_STEREO | FM801_RATE_MASK |
 461                              FM801_CHANNELS_MASK);
 462         if (snd_pcm_format_width(runtime->format) == 16)
 463                 chip->ply_ctrl |= FM801_16BIT;
 464         if (runtime->channels > 1) {
 465                 chip->ply_ctrl |= FM801_STEREO;
 466                 if (runtime->channels == 4)
 467                         chip->ply_ctrl |= FM801_CHANNELS_4;
 468                 else if (runtime->channels == 6)
 469                         chip->ply_ctrl |= FM801_CHANNELS_6;
 470         }
 471         chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 472         chip->ply_buf = 0;
 473         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 474         fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
 475         chip->ply_buffer = runtime->dma_addr;
 476         chip->ply_pos = 0;
 477         fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
 478         fm801_writel(chip, PLY_BUF2,
 479                      chip->ply_buffer + (chip->ply_count % chip->ply_size));
 480         spin_unlock_irq(&chip->reg_lock);
 481         return 0;
 482 }
 483
 484 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 485 {
 486         struct fm801 *chip = snd_pcm_substream_chip(substream);
 487         struct snd_pcm_runtime *runtime = substream->runtime;
 488
 489         chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 490         chip->cap_count = snd_pcm_lib_period_bytes(substream);
 491         spin_lock_irq(&chip->reg_lock);
 492         chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 493                              FM801_STEREO | FM801_RATE_MASK);
 494         if (snd_pcm_format_width(runtime->format) == 16)
 495                 chip->cap_ctrl |= FM801_16BIT;
 496         if (runtime->channels > 1)
 497                 chip->cap_ctrl |= FM801_STEREO;
 498         chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 499         chip->cap_buf = 0;
 500         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 501         fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
 502         chip->cap_buffer = runtime->dma_addr;
 503         chip->cap_pos = 0;
 504         fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
 505         fm801_writel(chip, CAP_BUF2,
 506                      chip->cap_buffer + (chip->cap_count % chip->cap_size));
 507         spin_unlock_irq(&chip->reg_lock);
 508         return 0;
 509 }
 510
 511 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 512 {
 513         struct fm801 *chip = snd_pcm_substream_chip(substream);
 514         size_t ptr;
 515
 516         if (!(chip->ply_ctrl & FM801_START))
 517                 return 0;
 518         spin_lock(&chip->reg_lock);
 519         ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
 520         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
 521                 ptr += chip->ply_count;
 522                 ptr %= chip->ply_size;
 523         }
 524         spin_unlock(&chip->reg_lock);
 525         return bytes_to_frames(substream->runtime, ptr);
 526 }
 527
 528 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 529 {
 530         struct fm801 *chip = snd_pcm_substream_chip(substream);
 531         size_t ptr;
 532
 533         if (!(chip->cap_ctrl & FM801_START))
 534                 return 0;
 535         spin_lock(&chip->reg_lock);
 536         ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
 537         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
 538                 ptr += chip->cap_count;
 539                 ptr %= chip->cap_size;
 540         }
 541         spin_unlock(&chip->reg_lock);
 542         return bytes_to_frames(substream->runtime, ptr);
 543 }
 544
 545 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 546 {
 547         struct fm801 *chip = dev_id;
 548         unsigned short status;
 549         unsigned int tmp;
 550
 551         status = fm801_readw(chip, IRQ_STATUS);
 552         status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 553         if (! status)
 554                 return IRQ_NONE;
 555         /* ack first */
 556         fm801_writew(chip, IRQ_STATUS, status);
 557         if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 558                 spin_lock(&chip->reg_lock);
 559                 chip->ply_buf++;
 560                 chip->ply_pos += chip->ply_count;
 561                 chip->ply_pos %= chip->ply_size;
 562                 tmp = chip->ply_pos + chip->ply_count;
 563                 tmp %= chip->ply_size;
 564                 if (chip->ply_buf & 1)
 565                         fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
 566                 else
 567                         fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
 568                 spin_unlock(&chip->reg_lock);
 569                 snd_pcm_period_elapsed(chip->playback_substream);
 570         }
 571         if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 572                 spin_lock(&chip->reg_lock);
 573                 chip->cap_buf++;
 574                 chip->cap_pos += chip->cap_count;
 575                 chip->cap_pos %= chip->cap_size;
 576                 tmp = chip->cap_pos + chip->cap_count;
 577                 tmp %= chip->cap_size;
 578                 if (chip->cap_buf & 1)
 579                         fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
 580                 else
 581                         fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
 582                 spin_unlock(&chip->reg_lock);
 583                 snd_pcm_period_elapsed(chip->capture_substream);
 584         }
 585         if (chip->rmidi && (status & FM801_IRQ_MPU))
 586                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 587         if (status & FM801_IRQ_VOLUME)
 588                 ;/* TODO */
 589
 590         return IRQ_HANDLED;
 591 }
 592
 593 static struct snd_pcm_hardware snd_fm801_playback =
 594 {
 595         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 596                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 597                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 598                                  SNDRV_PCM_INFO_MMAP_VALID),
 599         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 600         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 601         .rate_min =             5500,
 602         .rate_max =             48000,
 603         .channels_min =         1,
 604         .channels_max =         2,
 605         .buffer_bytes_max =     (128*1024),
 606         .period_bytes_min =     64,
 607         .period_bytes_max =     (128*1024),
 608         .periods_min =          1,
 609         .periods_max =          1024,
 610         .fifo_size =            0,
 611 };
 612
 613 static struct snd_pcm_hardware snd_fm801_capture =
 614 {
 615         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 616                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 617                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 618                                  SNDRV_PCM_INFO_MMAP_VALID),
 619         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 620         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 621         .rate_min =             5500,
 622         .rate_max =             48000,
 623         .channels_min =         1,
 624         .channels_max =         2,
 625         .buffer_bytes_max =     (128*1024),
 626         .period_bytes_min =     64,
 627         .period_bytes_max =     (128*1024),
 628         .periods_min =          1,
 629         .periods_max =          1024,
 630         .fifo_size =            0,
 631 };
 632
 633 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 634 {
 635         struct fm801 *chip = snd_pcm_substream_chip(substream);
 636         struct snd_pcm_runtime *runtime = substream->runtime;
 637         int err;
 638
 639         chip->playback_substream = substream;
 640         runtime->hw = snd_fm801_playback;
 641         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 642                                    &hw_constraints_rates);
 643         if (chip->multichannel) {
 644                 runtime->hw.channels_max = 6;
 645                 snd_pcm_hw_constraint_list(runtime, 0,
 646                                            SNDRV_PCM_HW_PARAM_CHANNELS,
 647                                            &hw_constraints_channels);
 648         }
 649         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 650                 return err;
 651         return 0;
 652 }
 653
 654 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 655 {
 656         struct fm801 *chip = snd_pcm_substream_chip(substream);
 657         struct snd_pcm_runtime *runtime = substream->runtime;
 658         int err;
 659
 660         chip->capture_substream = substream;
 661         runtime->hw = snd_fm801_capture;
 662         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 663                                    &hw_constraints_rates);
 664         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 665                 return err;
 666         return 0;
 667 }
 668
 669 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 670 {
 671         struct fm801 *chip = snd_pcm_substream_chip(substream);
 672
 673         chip->playback_substream = NULL;
 674         return 0;
 675 }
 676
 677 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 678 {
 679         struct fm801 *chip = snd_pcm_substream_chip(substream);
 680
 681         chip->capture_substream = NULL;
 682         return 0;
 683 }
 684
 685 static struct snd_pcm_ops snd_fm801_playback_ops = {
 686         .open =         snd_fm801_playback_open,
 687         .close =        snd_fm801_playback_close,
 688         .ioctl =        snd_pcm_lib_ioctl,
 689         .hw_params =    snd_fm801_hw_params,
 690         .hw_free =      snd_fm801_hw_free,
 691         .prepare =      snd_fm801_playback_prepare,
 692         .trigger =      snd_fm801_playback_trigger,
 693         .pointer =      snd_fm801_playback_pointer,
 694 };
 695
 696 static struct snd_pcm_ops snd_fm801_capture_ops = {
 697         .open =         snd_fm801_capture_open,
 698         .close =        snd_fm801_capture_close,
 699         .ioctl =        snd_pcm_lib_ioctl,
 700         .hw_params =    snd_fm801_hw_params,
 701         .hw_free =      snd_fm801_hw_free,
 702         .prepare =      snd_fm801_capture_prepare,
 703         .trigger =      snd_fm801_capture_trigger,
 704         .pointer =      snd_fm801_capture_pointer,
 705 };
 706
 707 static int snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm **rpcm)
 708 {
 709         struct snd_pcm *pcm;
 710         int err;
 711
 712         if (rpcm)
 713                 *rpcm = NULL;
 714         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 715                 return err;
 716
 717         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 718         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 719
 720         pcm->private_data = chip;
 721         pcm->info_flags = 0;
 722         strcpy(pcm->name, "FM801");
 723         chip->pcm = pcm;
 724
 725         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 726                                               snd_dma_pci_data(chip->pci),
 727                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 728
 729         err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 730                                      snd_pcm_alt_chmaps,
 731                                      chip->multichannel ? 6 : 2, 0,
 732                                      NULL);
 733         if (err < 0)
 734                 return err;
 735
 736         if (rpcm)
 737                 *rpcm = pcm;
 738         return 0;
 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 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 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
 869         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
 870         if (invert)
 871                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.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
 925         spin_lock_irq(&chip->reg_lock);
 926         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
 927         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
 928         spin_unlock_irq(&chip->reg_lock);
 929         if (invert) {
 930                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 931                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 932         }
 933         return 0;
 934 }
 935
 936 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 937                                 struct snd_ctl_elem_value *ucontrol)
 938 {
 939         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 940         int reg = kcontrol->private_value & 0xff;
 941         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 942         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 943         int mask = (kcontrol->private_value >> 16) & 0xff;
 944         int invert = (kcontrol->private_value >> 24) & 0xff;
 945         unsigned short val1, val2;
 946
 947         val1 = ucontrol->value.integer.value[0] & mask;
 948         val2 = ucontrol->value.integer.value[1] & mask;
 949         if (invert) {
 950                 val1 = mask - val1;
 951                 val2 = mask - val2;
 952         }
 953         return snd_fm801_update_bits(chip, reg,
 954                                      (mask << shift_left) | (mask << shift_right),
 955                                      (val1 << shift_left ) | (val2 << shift_right));
 956 }
 957
 958 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 959                               struct snd_ctl_elem_info *uinfo)
 960 {
 961         static char *texts[5] = {
 962                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 963         };
 964
 965         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 966         uinfo->count = 1;
 967         uinfo->value.enumerated.items = 5;
 968         if (uinfo->value.enumerated.item > 4)
 969                 uinfo->value.enumerated.item = 4;
 970         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 971         return 0;
 972 }
 973
 974 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 975                              struct snd_ctl_elem_value *ucontrol)
 976 {
 977         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 978         unsigned short val;
 979
 980         val = fm801_readw(chip, REC_SRC) & 7;
 981         if (val > 4)
 982                 val = 4;
 983         ucontrol->value.enumerated.item[0] = val;
 984         return 0;
 985 }
 986
 987 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 988                              struct snd_ctl_elem_value *ucontrol)
 989 {
 990         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 991         unsigned short val;
 992
 993         if ((val = ucontrol->value.enumerated.item[0]) > 4)
 994                 return -EINVAL;
 995         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 996 }
 997
 998 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 999
1000 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
1001
1002 static struct snd_kcontrol_new snd_fm801_controls[] = {
1003 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1004                  db_scale_dsp),
1005 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1006 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1007                  db_scale_dsp),
1008 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1009 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1010                  db_scale_dsp),
1011 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1012 {
1013         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1014         .name = "Digital Capture Source",
1015         .info = snd_fm801_info_mux,
1016         .get = snd_fm801_get_mux,
1017         .put = snd_fm801_put_mux,
1018 }
1019 };
1020
1021 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1022
1023 static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1024 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1025 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1026 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1027 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1028 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1029 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1030 };
1031
1032 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1033 {
1034         struct fm801 *chip = bus->private_data;
1035         chip->ac97_bus = NULL;
1036 }
1037
1038 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1039 {
1040         struct fm801 *chip = ac97->private_data;
1041         if (ac97->num == 0) {
1042                 chip->ac97 = NULL;
1043         } else {
1044                 chip->ac97_sec = NULL;
1045         }
1046 }
1047
1048 static int snd_fm801_mixer(struct fm801 *chip)
1049 {
1050         struct snd_ac97_template ac97;
1051         unsigned int i;
1052         int err;
1053         static struct snd_ac97_bus_ops ops = {
1054                 .write = snd_fm801_codec_write,
1055                 .read = snd_fm801_codec_read,
1056         };
1057
1058         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1059                 return err;
1060         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1061
1062         memset(&ac97, 0, sizeof(ac97));
1063         ac97.private_data = chip;
1064         ac97.private_free = snd_fm801_mixer_free_ac97;
1065         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1066                 return err;
1067         if (chip->secondary) {
1068                 ac97.num = 1;
1069                 ac97.addr = chip->secondary_addr;
1070                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1071                         return err;
1072         }
1073         for (i = 0; i < FM801_CONTROLS; i++)
1074                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1075         if (chip->multichannel) {
1076                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1077                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1078         }
1079         return 0;
1080 }
1081
1082 /*
1083  *  initialization routines
1084  */
1085
1086 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1087                           unsigned short reg, unsigned long waits)
1088 {
1089         unsigned long timeout = jiffies + waits;
1090
1091         fm801_writew(chip, AC97_CMD,
1092                      reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1093         udelay(5);
1094         do {
1095                 if ((fm801_readw(chip, AC97_CMD) &
1096                      (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1097                         return 0;
1098                 schedule_timeout_uninterruptible(1);
1099         } while (time_after(timeout, jiffies));
1100         return -EIO;
1101 }
1102
1103 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1104 {
1105         unsigned short cmdw;
1106
1107         if (chip->tea575x_tuner & TUNER_ONLY)
1108                 goto __ac97_ok;
1109
1110         /* codec cold reset + AC'97 warm reset */
1111         fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1112         fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1113         udelay(100);
1114         fm801_writew(chip, CODEC_CTRL, 0);
1115
1116         if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1117                 if (!resume) {
1118                         dev_info(chip->card->dev,
1119                                  "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1120                         chip->tea575x_tuner = 3 | TUNER_ONLY;
1121                         goto __ac97_ok;
1122                 }
1123
1124         if (chip->multichannel) {
1125                 if (chip->secondary_addr) {
1126                         wait_for_codec(chip, chip->secondary_addr,
1127                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1128                 } else {
1129                         /* my card has the secondary codec */
1130                         /* at address #3, so the loop is inverted */
1131                         int i;
1132                         for (i = 3; i > 0; i--) {
1133                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1134                                                      msecs_to_jiffies(50))) {
1135                                         cmdw = fm801_readw(chip, AC97_DATA);
1136                                         if (cmdw != 0xffff && cmdw != 0) {
1137                                                 chip->secondary = 1;
1138                                                 chip->secondary_addr = i;
1139                                                 break;
1140                                         }
1141                                 }
1142                         }
1143                 }
1144
1145                 /* the recovery phase, it seems that probing for non-existing codec might */
1146                 /* cause timeout problems */
1147                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1148         }
1149
1150       __ac97_ok:
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         return 0;
1173 }
1174
1175
1176 static int snd_fm801_free(struct fm801 *chip)
1177 {
1178         unsigned short cmdw;
1179
1180         if (chip->irq < 0)
1181                 goto __end_hw;
1182
1183         /* interrupt setup - mask everything */
1184         cmdw = fm801_readw(chip, IRQ_MASK);
1185         cmdw |= 0x00c3;
1186         fm801_writew(chip, IRQ_MASK, cmdw);
1187
1188       __end_hw:
1189 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1190         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1191                 snd_tea575x_exit(&chip->tea);
1192                 v4l2_device_unregister(&chip->v4l2_dev);
1193         }
1194 #endif
1195         if (chip->irq >= 0)
1196                 free_irq(chip->irq, chip);
1197         pci_release_regions(chip->pci);
1198         pci_disable_device(chip->pci);
1199
1200         kfree(chip);
1201         return 0;
1202 }
1203
1204 static int snd_fm801_dev_free(struct snd_device *device)
1205 {
1206         struct fm801 *chip = device->device_data;
1207         return snd_fm801_free(chip);
1208 }
1209
1210 static int snd_fm801_create(struct snd_card *card,
1211                             struct pci_dev *pci,
1212                             int tea575x_tuner,
1213                             int radio_nr,
1214                             struct fm801 **rchip)
1215 {
1216         struct fm801 *chip;
1217         int err;
1218         static struct snd_device_ops ops = {
1219                 .dev_free =     snd_fm801_dev_free,
1220         };
1221
1222         *rchip = NULL;
1223         if ((err = pci_enable_device(pci)) < 0)
1224                 return err;
1225         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1226         if (chip == NULL) {
1227                 pci_disable_device(pci);
1228                 return -ENOMEM;
1229         }
1230         spin_lock_init(&chip->reg_lock);
1231         chip->card = card;
1232         chip->pci = pci;
1233         chip->irq = -1;
1234         chip->tea575x_tuner = tea575x_tuner;
1235         if ((err = pci_request_regions(pci, "FM801")) < 0) {
1236                 kfree(chip);
1237                 pci_disable_device(pci);
1238                 return err;
1239         }
1240         chip->port = pci_resource_start(pci, 0);
1241         if ((tea575x_tuner & TUNER_ONLY) == 0) {
1242                 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1243                                 KBUILD_MODNAME, chip)) {
1244                         dev_err(card->dev, "unable to grab IRQ %d\n", chip->irq);
1245                         snd_fm801_free(chip);
1246                         return -EBUSY;
1247                 }
1248                 chip->irq = pci->irq;
1249                 pci_set_master(pci);
1250         }
1251
1252         if (pci->revision >= 0xb1)      /* FM801-AU */
1253                 chip->multichannel = 1;
1254
1255         snd_fm801_chip_init(chip, 0);
1256         /* init might set tuner access method */
1257         tea575x_tuner = chip->tea575x_tuner;
1258
1259         if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1260                 pci_clear_master(pci);
1261                 free_irq(chip->irq, chip);
1262                 chip->irq = -1;
1263         }
1264
1265         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1266                 snd_fm801_free(chip);
1267                 return err;
1268         }
1269
1270 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1271         err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1272         if (err < 0) {
1273                 snd_fm801_free(chip);
1274                 return err;
1275         }
1276         chip->tea.v4l2_dev = &chip->v4l2_dev;
1277         chip->tea.radio_nr = radio_nr;
1278         chip->tea.private_data = chip;
1279         chip->tea.ops = &snd_fm801_tea_ops;
1280         sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1281         if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1282             (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1283                 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1284                         dev_err(card->dev, "TEA575x radio not found\n");
1285                         snd_fm801_free(chip);
1286                         return -ENODEV;
1287                 }
1288         } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1289                 /* autodetect tuner connection */
1290                 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1291                         chip->tea575x_tuner = tea575x_tuner;
1292                         if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1293                                 dev_info(card->dev,
1294                                          "detected TEA575x radio type %s\n",
1295                                            get_tea575x_gpio(chip)->name);
1296                                 break;
1297                         }
1298                 }
1299                 if (tea575x_tuner == 4) {
1300                         dev_err(card->dev, "TEA575x radio not found\n");
1301                         chip->tea575x_tuner = TUNER_DISABLED;
1302                 }
1303         }
1304         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1305                 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1306                         sizeof(chip->tea.card));
1307         }
1308 #endif
1309
1310         *rchip = chip;
1311         return 0;
1312 }
1313
1314 static int snd_card_fm801_probe(struct pci_dev *pci,
1315                                 const struct pci_device_id *pci_id)
1316 {
1317         static int dev;
1318         struct snd_card *card;
1319         struct fm801 *chip;
1320         struct snd_opl3 *opl3;
1321         int err;
1322
1323         if (dev >= SNDRV_CARDS)
1324                 return -ENODEV;
1325         if (!enable[dev]) {
1326                 dev++;
1327                 return -ENOENT;
1328         }
1329
1330         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1331                            0, &card);
1332         if (err < 0)
1333                 return err;
1334         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1335                 snd_card_free(card);
1336                 return err;
1337         }
1338         card->private_data = chip;
1339
1340         strcpy(card->driver, "FM801");
1341         strcpy(card->shortname, "ForteMedia FM801-");
1342         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1343         sprintf(card->longname, "%s at 0x%lx, irq %i",
1344                 card->shortname, chip->port, chip->irq);
1345
1346         if (chip->tea575x_tuner & TUNER_ONLY)
1347                 goto __fm801_tuner_only;
1348
1349         if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1350                 snd_card_free(card);
1351                 return err;
1352         }
1353         if ((err = snd_fm801_mixer(chip)) < 0) {
1354                 snd_card_free(card);
1355                 return err;
1356         }
1357         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1358                                        chip->port + FM801_MPU401_DATA,
1359                                        MPU401_INFO_INTEGRATED |
1360                                        MPU401_INFO_IRQ_HOOK,
1361                                        -1, &chip->rmidi)) < 0) {
1362                 snd_card_free(card);
1363                 return err;
1364         }
1365         if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1366                                    chip->port + FM801_OPL3_BANK1,
1367                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1368                 snd_card_free(card);
1369                 return err;
1370         }
1371         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1372                 snd_card_free(card);
1373                 return err;
1374         }
1375
1376       __fm801_tuner_only:
1377         if ((err = snd_card_register(card)) < 0) {
1378                 snd_card_free(card);
1379                 return err;
1380         }
1381         pci_set_drvdata(pci, card);
1382         dev++;
1383         return 0;
1384 }
1385
1386 static void snd_card_fm801_remove(struct pci_dev *pci)
1387 {
1388         snd_card_free(pci_get_drvdata(pci));
1389 }
1390
1391 #ifdef CONFIG_PM_SLEEP
1392 static unsigned char saved_regs[] = {
1393         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1394         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1395         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1396         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1397 };
1398
1399 static int snd_fm801_suspend(struct device *dev)
1400 {
1401         struct pci_dev *pci = to_pci_dev(dev);
1402         struct snd_card *card = dev_get_drvdata(dev);
1403         struct fm801 *chip = card->private_data;
1404         int i;
1405
1406         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1407         snd_pcm_suspend_all(chip->pcm);
1408         snd_ac97_suspend(chip->ac97);
1409         snd_ac97_suspend(chip->ac97_sec);
1410         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1411                 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1412         /* FIXME: tea575x suspend */
1413
1414         pci_disable_device(pci);
1415         pci_save_state(pci);
1416         pci_set_power_state(pci, PCI_D3hot);
1417         return 0;
1418 }
1419
1420 static int snd_fm801_resume(struct device *dev)
1421 {
1422         struct pci_dev *pci = to_pci_dev(dev);
1423         struct snd_card *card = dev_get_drvdata(dev);
1424         struct fm801 *chip = card->private_data;
1425         int i;
1426
1427         pci_set_power_state(pci, PCI_D0);
1428         pci_restore_state(pci);
1429         if (pci_enable_device(pci) < 0) {
1430                 dev_err(dev, "pci_enable_device failed, disabling device\n");
1431                 snd_card_disconnect(card);
1432                 return -EIO;
1433         }
1434         pci_set_master(pci);
1435
1436         snd_fm801_chip_init(chip, 1);
1437         snd_ac97_resume(chip->ac97);
1438         snd_ac97_resume(chip->ac97_sec);
1439         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1440                 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1441
1442         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1443         return 0;
1444 }
1445
1446 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1447 #define SND_FM801_PM_OPS        &snd_fm801_pm
1448 #else
1449 #define SND_FM801_PM_OPS        NULL
1450 #endif /* CONFIG_PM_SLEEP */
1451
1452 static struct pci_driver fm801_driver = {
1453         .name = KBUILD_MODNAME,
1454         .id_table = snd_fm801_ids,
1455         .probe = snd_card_fm801_probe,
1456         .remove = snd_card_fm801_remove,
1457         .driver = {
1458                 .pm = SND_FM801_PM_OPS,
1459         },
1460 };
1461
1462 module_pci_driver(fm801_driver);