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)
 708 {
 709         struct snd_pcm *pcm;
 710         int err;
 711
 712         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 713                 return err;
 714
 715         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 716         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 717
 718         pcm->private_data = chip;
 719         pcm->info_flags = 0;
 720         strcpy(pcm->name, "FM801");
 721         chip->pcm = pcm;
 722
 723         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 724                                               snd_dma_pci_data(chip->pci),
 725                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 726
 727         return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 728                                      snd_pcm_alt_chmaps,
 729                                      chip->multichannel ? 6 : 2, 0,
 730                                      NULL);
 731 }
 732
 733 /*
 734  *  TEA5757 radio
 735  */
 736
 737 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 738
 739 /* GPIO to TEA575x maps */
 740 struct snd_fm801_tea575x_gpio {
 741         u8 data, clk, wren, most;
 742         char *name;
 743 };
 744
 745 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 746         { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 747         { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 748         { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 749 };
 750
 751 #define get_tea575x_gpio(chip) \
 752         (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 753
 754 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 755 {
 756         struct fm801 *chip = tea->private_data;
 757         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 758         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 759
 760         reg &= ~(FM801_GPIO_GP(gpio.data) |
 761                  FM801_GPIO_GP(gpio.clk) |
 762                  FM801_GPIO_GP(gpio.wren));
 763
 764         reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 765         reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 766         /* WRITE_ENABLE is inverted */
 767         reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 768
 769         fm801_writew(chip, GPIO_CTRL, reg);
 770 }
 771
 772 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 773 {
 774         struct fm801 *chip = tea->private_data;
 775         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 776         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 777         u8 ret;
 778
 779         ret = 0;
 780         if (reg & FM801_GPIO_GP(gpio.data))
 781                 ret |= TEA575X_DATA;
 782         if (reg & FM801_GPIO_GP(gpio.most))
 783                 ret |= TEA575X_MOST;
 784         return ret;
 785 }
 786
 787 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 788 {
 789         struct fm801 *chip = tea->private_data;
 790         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 791         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 792
 793         /* use GPIO lines and set write enable bit */
 794         reg |= FM801_GPIO_GS(gpio.data) |
 795                FM801_GPIO_GS(gpio.wren) |
 796                FM801_GPIO_GS(gpio.clk) |
 797                FM801_GPIO_GS(gpio.most);
 798         if (output) {
 799                 /* all of lines are in the write direction */
 800                 /* clear data and clock lines */
 801                 reg &= ~(FM801_GPIO_GD(gpio.data) |
 802                          FM801_GPIO_GD(gpio.wren) |
 803                          FM801_GPIO_GD(gpio.clk) |
 804                          FM801_GPIO_GP(gpio.data) |
 805                          FM801_GPIO_GP(gpio.clk) |
 806                          FM801_GPIO_GP(gpio.wren));
 807         } else {
 808                 /* use GPIO lines, set data direction to input */
 809                 reg |= FM801_GPIO_GD(gpio.data) |
 810                        FM801_GPIO_GD(gpio.most) |
 811                        FM801_GPIO_GP(gpio.data) |
 812                        FM801_GPIO_GP(gpio.most) |
 813                        FM801_GPIO_GP(gpio.wren);
 814                 /* all of lines are in the write direction, except data */
 815                 /* clear data, write enable and clock lines */
 816                 reg &= ~(FM801_GPIO_GD(gpio.wren) |
 817                          FM801_GPIO_GD(gpio.clk) |
 818                          FM801_GPIO_GP(gpio.clk));
 819         }
 820
 821         fm801_writew(chip, GPIO_CTRL, reg);
 822 }
 823
 824 static struct snd_tea575x_ops snd_fm801_tea_ops = {
 825         .set_pins = snd_fm801_tea575x_set_pins,
 826         .get_pins = snd_fm801_tea575x_get_pins,
 827         .set_direction = snd_fm801_tea575x_set_direction,
 828 };
 829 #endif
 830
 831 /*
 832  *  Mixer routines
 833  */
 834
 835 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
 836 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 837   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 838   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 839
 840 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 841                                  struct snd_ctl_elem_info *uinfo)
 842 {
 843         int mask = (kcontrol->private_value >> 16) & 0xff;
 844
 845         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 846         uinfo->count = 1;
 847         uinfo->value.integer.min = 0;
 848         uinfo->value.integer.max = mask;
 849         return 0;
 850 }
 851
 852 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 853                                 struct snd_ctl_elem_value *ucontrol)
 854 {
 855         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 856         int reg = kcontrol->private_value & 0xff;
 857         int shift = (kcontrol->private_value >> 8) & 0xff;
 858         int mask = (kcontrol->private_value >> 16) & 0xff;
 859         int invert = (kcontrol->private_value >> 24) & 0xff;
 860
 861         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
 862         if (invert)
 863                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 864         return 0;
 865 }
 866
 867 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 868                                 struct snd_ctl_elem_value *ucontrol)
 869 {
 870         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 871         int reg = kcontrol->private_value & 0xff;
 872         int shift = (kcontrol->private_value >> 8) & 0xff;
 873         int mask = (kcontrol->private_value >> 16) & 0xff;
 874         int invert = (kcontrol->private_value >> 24) & 0xff;
 875         unsigned short val;
 876
 877         val = (ucontrol->value.integer.value[0] & mask);
 878         if (invert)
 879                 val = mask - val;
 880         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 881 }
 882
 883 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 884 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 885   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 886   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 887 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 888 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 889   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 890   .name = xname, .info = snd_fm801_info_double, \
 891   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 892   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 893   .tlv = { .p = (xtlv) } }
 894
 895 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 896                                  struct snd_ctl_elem_info *uinfo)
 897 {
 898         int mask = (kcontrol->private_value >> 16) & 0xff;
 899
 900         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 901         uinfo->count = 2;
 902         uinfo->value.integer.min = 0;
 903         uinfo->value.integer.max = mask;
 904         return 0;
 905 }
 906
 907 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 908                                 struct snd_ctl_elem_value *ucontrol)
 909 {
 910         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 911         int reg = kcontrol->private_value & 0xff;
 912         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 913         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 914         int mask = (kcontrol->private_value >> 16) & 0xff;
 915         int invert = (kcontrol->private_value >> 24) & 0xff;
 916
 917         spin_lock_irq(&chip->reg_lock);
 918         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
 919         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
 920         spin_unlock_irq(&chip->reg_lock);
 921         if (invert) {
 922                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 923                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 924         }
 925         return 0;
 926 }
 927
 928 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 929                                 struct snd_ctl_elem_value *ucontrol)
 930 {
 931         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 932         int reg = kcontrol->private_value & 0xff;
 933         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 934         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 935         int mask = (kcontrol->private_value >> 16) & 0xff;
 936         int invert = (kcontrol->private_value >> 24) & 0xff;
 937         unsigned short val1, val2;
 938
 939         val1 = ucontrol->value.integer.value[0] & mask;
 940         val2 = ucontrol->value.integer.value[1] & mask;
 941         if (invert) {
 942                 val1 = mask - val1;
 943                 val2 = mask - val2;
 944         }
 945         return snd_fm801_update_bits(chip, reg,
 946                                      (mask << shift_left) | (mask << shift_right),
 947                                      (val1 << shift_left ) | (val2 << shift_right));
 948 }
 949
 950 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 951                               struct snd_ctl_elem_info *uinfo)
 952 {
 953         static const char * const texts[5] = {
 954                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 955         };
 956
 957         return snd_ctl_enum_info(uinfo, 1, 5, texts);
 958 }
 959
 960 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 961                              struct snd_ctl_elem_value *ucontrol)
 962 {
 963         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 964         unsigned short val;
 965
 966         val = fm801_readw(chip, REC_SRC) & 7;
 967         if (val > 4)
 968                 val = 4;
 969         ucontrol->value.enumerated.item[0] = val;
 970         return 0;
 971 }
 972
 973 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 974                              struct snd_ctl_elem_value *ucontrol)
 975 {
 976         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 977         unsigned short val;
 978
 979         if ((val = ucontrol->value.enumerated.item[0]) > 4)
 980                 return -EINVAL;
 981         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 982 }
 983
 984 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 985
 986 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 987
 988 static struct snd_kcontrol_new snd_fm801_controls[] = {
 989 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
 990                  db_scale_dsp),
 991 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
 992 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
 993                  db_scale_dsp),
 994 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
 995 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
 996                  db_scale_dsp),
 997 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
 998 {
 999         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1000         .name = "Digital Capture Source",
1001         .info = snd_fm801_info_mux,
1002         .get = snd_fm801_get_mux,
1003         .put = snd_fm801_put_mux,
1004 }
1005 };
1006
1007 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1008
1009 static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1010 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1011 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1012 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1013 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1014 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1015 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1016 };
1017
1018 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1019 {
1020         struct fm801 *chip = bus->private_data;
1021         chip->ac97_bus = NULL;
1022 }
1023
1024 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1025 {
1026         struct fm801 *chip = ac97->private_data;
1027         if (ac97->num == 0) {
1028                 chip->ac97 = NULL;
1029         } else {
1030                 chip->ac97_sec = NULL;
1031         }
1032 }
1033
1034 static int snd_fm801_mixer(struct fm801 *chip)
1035 {
1036         struct snd_ac97_template ac97;
1037         unsigned int i;
1038         int err;
1039         static struct snd_ac97_bus_ops ops = {
1040                 .write = snd_fm801_codec_write,
1041                 .read = snd_fm801_codec_read,
1042         };
1043
1044         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1045                 return err;
1046         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1047
1048         memset(&ac97, 0, sizeof(ac97));
1049         ac97.private_data = chip;
1050         ac97.private_free = snd_fm801_mixer_free_ac97;
1051         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1052                 return err;
1053         if (chip->secondary) {
1054                 ac97.num = 1;
1055                 ac97.addr = chip->secondary_addr;
1056                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1057                         return err;
1058         }
1059         for (i = 0; i < FM801_CONTROLS; i++)
1060                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1061         if (chip->multichannel) {
1062                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1063                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1064         }
1065         return 0;
1066 }
1067
1068 /*
1069  *  initialization routines
1070  */
1071
1072 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1073                           unsigned short reg, unsigned long waits)
1074 {
1075         unsigned long timeout = jiffies + waits;
1076
1077         fm801_writew(chip, AC97_CMD,
1078                      reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1079         udelay(5);
1080         do {
1081                 if ((fm801_readw(chip, AC97_CMD) &
1082                      (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1083                         return 0;
1084                 schedule_timeout_uninterruptible(1);
1085         } while (time_after(timeout, jiffies));
1086         return -EIO;
1087 }
1088
1089 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1090 {
1091         unsigned short cmdw;
1092
1093         if (chip->tea575x_tuner & TUNER_ONLY)
1094                 goto __ac97_ok;
1095
1096         /* codec cold reset + AC'97 warm reset */
1097         fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1098         fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1099         udelay(100);
1100         fm801_writew(chip, CODEC_CTRL, 0);
1101
1102         if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1103                 if (!resume) {
1104                         dev_info(chip->card->dev,
1105                                  "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1106                         chip->tea575x_tuner = 3 | TUNER_ONLY;
1107                         goto __ac97_ok;
1108                 }
1109
1110         if (chip->multichannel) {
1111                 if (chip->secondary_addr) {
1112                         wait_for_codec(chip, chip->secondary_addr,
1113                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1114                 } else {
1115                         /* my card has the secondary codec */
1116                         /* at address #3, so the loop is inverted */
1117                         int i;
1118                         for (i = 3; i > 0; i--) {
1119                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1120                                                      msecs_to_jiffies(50))) {
1121                                         cmdw = fm801_readw(chip, AC97_DATA);
1122                                         if (cmdw != 0xffff && cmdw != 0) {
1123                                                 chip->secondary = 1;
1124                                                 chip->secondary_addr = i;
1125                                                 break;
1126                                         }
1127                                 }
1128                         }
1129                 }
1130
1131                 /* the recovery phase, it seems that probing for non-existing codec might */
1132                 /* cause timeout problems */
1133                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1134         }
1135
1136       __ac97_ok:
1137
1138         /* init volume */
1139         fm801_writew(chip, PCM_VOL, 0x0808);
1140         fm801_writew(chip, FM_VOL, 0x9f1f);
1141         fm801_writew(chip, I2S_VOL, 0x8808);
1142
1143         /* I2S control - I2S mode */
1144         fm801_writew(chip, I2S_MODE, 0x0003);
1145
1146         /* interrupt setup */
1147         cmdw = fm801_readw(chip, IRQ_MASK);
1148         if (chip->irq < 0)
1149                 cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1150         else
1151                 cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1152         fm801_writew(chip, IRQ_MASK, cmdw);
1153
1154         /* interrupt clear */
1155         fm801_writew(chip, IRQ_STATUS,
1156                      FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1157
1158         return 0;
1159 }
1160
1161
1162 static int snd_fm801_free(struct fm801 *chip)
1163 {
1164         unsigned short cmdw;
1165
1166         if (chip->irq < 0)
1167                 goto __end_hw;
1168
1169         /* interrupt setup - mask everything */
1170         cmdw = fm801_readw(chip, IRQ_MASK);
1171         cmdw |= 0x00c3;
1172         fm801_writew(chip, IRQ_MASK, cmdw);
1173
1174       __end_hw:
1175 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1176         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1177                 snd_tea575x_exit(&chip->tea);
1178                 v4l2_device_unregister(&chip->v4l2_dev);
1179         }
1180 #endif
1181         return 0;
1182 }
1183
1184 static int snd_fm801_dev_free(struct snd_device *device)
1185 {
1186         struct fm801 *chip = device->device_data;
1187         return snd_fm801_free(chip);
1188 }
1189
1190 static int snd_fm801_create(struct snd_card *card,
1191                             struct pci_dev *pci,
1192                             int tea575x_tuner,
1193                             int radio_nr,
1194                             struct fm801 **rchip)
1195 {
1196         struct fm801 *chip;
1197         int err;
1198         static struct snd_device_ops ops = {
1199                 .dev_free =     snd_fm801_dev_free,
1200         };
1201
1202         *rchip = NULL;
1203         if ((err = pcim_enable_device(pci)) < 0)
1204                 return err;
1205         chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1206         if (chip == NULL)
1207                 return -ENOMEM;
1208         spin_lock_init(&chip->reg_lock);
1209         chip->card = card;
1210         chip->pci = pci;
1211         chip->irq = -1;
1212         chip->tea575x_tuner = tea575x_tuner;
1213         if ((err = pci_request_regions(pci, "FM801")) < 0)
1214                 return err;
1215         chip->port = pci_resource_start(pci, 0);
1216         if ((tea575x_tuner & TUNER_ONLY) == 0) {
1217                 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1218                                 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1219                         dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1220                         snd_fm801_free(chip);
1221                         return -EBUSY;
1222                 }
1223                 chip->irq = pci->irq;
1224                 pci_set_master(pci);
1225         }
1226
1227         if (pci->revision >= 0xb1)      /* FM801-AU */
1228                 chip->multichannel = 1;
1229
1230         snd_fm801_chip_init(chip, 0);
1231         /* init might set tuner access method */
1232         tea575x_tuner = chip->tea575x_tuner;
1233
1234         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1235                 snd_fm801_free(chip);
1236                 return err;
1237         }
1238
1239 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1240         err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1241         if (err < 0) {
1242                 snd_fm801_free(chip);
1243                 return err;
1244         }
1245         chip->tea.v4l2_dev = &chip->v4l2_dev;
1246         chip->tea.radio_nr = radio_nr;
1247         chip->tea.private_data = chip;
1248         chip->tea.ops = &snd_fm801_tea_ops;
1249         sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1250         if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1251             (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1252                 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1253                         dev_err(card->dev, "TEA575x radio not found\n");
1254                         snd_fm801_free(chip);
1255                         return -ENODEV;
1256                 }
1257         } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1258                 /* autodetect tuner connection */
1259                 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1260                         chip->tea575x_tuner = tea575x_tuner;
1261                         if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1262                                 dev_info(card->dev,
1263                                          "detected TEA575x radio type %s\n",
1264                                            get_tea575x_gpio(chip)->name);
1265                                 break;
1266                         }
1267                 }
1268                 if (tea575x_tuner == 4) {
1269                         dev_err(card->dev, "TEA575x radio not found\n");
1270                         chip->tea575x_tuner = TUNER_DISABLED;
1271                 }
1272         }
1273         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1274                 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1275                         sizeof(chip->tea.card));
1276         }
1277 #endif
1278
1279         *rchip = chip;
1280         return 0;
1281 }
1282
1283 static int snd_card_fm801_probe(struct pci_dev *pci,
1284                                 const struct pci_device_id *pci_id)
1285 {
1286         static int dev;
1287         struct snd_card *card;
1288         struct fm801 *chip;
1289         struct snd_opl3 *opl3;
1290         int err;
1291
1292         if (dev >= SNDRV_CARDS)
1293                 return -ENODEV;
1294         if (!enable[dev]) {
1295                 dev++;
1296                 return -ENOENT;
1297         }
1298
1299         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1300                            0, &card);
1301         if (err < 0)
1302                 return err;
1303         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1304                 snd_card_free(card);
1305                 return err;
1306         }
1307         card->private_data = chip;
1308
1309         strcpy(card->driver, "FM801");
1310         strcpy(card->shortname, "ForteMedia FM801-");
1311         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1312         sprintf(card->longname, "%s at 0x%lx, irq %i",
1313                 card->shortname, chip->port, chip->irq);
1314
1315         if (chip->tea575x_tuner & TUNER_ONLY)
1316                 goto __fm801_tuner_only;
1317
1318         if ((err = snd_fm801_pcm(chip, 0)) < 0) {
1319                 snd_card_free(card);
1320                 return err;
1321         }
1322         if ((err = snd_fm801_mixer(chip)) < 0) {
1323                 snd_card_free(card);
1324                 return err;
1325         }
1326         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1327                                        chip->port + FM801_MPU401_DATA,
1328                                        MPU401_INFO_INTEGRATED |
1329                                        MPU401_INFO_IRQ_HOOK,
1330                                        -1, &chip->rmidi)) < 0) {
1331                 snd_card_free(card);
1332                 return err;
1333         }
1334         if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1335                                    chip->port + FM801_OPL3_BANK1,
1336                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1337                 snd_card_free(card);
1338                 return err;
1339         }
1340         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1341                 snd_card_free(card);
1342                 return err;
1343         }
1344
1345       __fm801_tuner_only:
1346         if ((err = snd_card_register(card)) < 0) {
1347                 snd_card_free(card);
1348                 return err;
1349         }
1350         pci_set_drvdata(pci, card);
1351         dev++;
1352         return 0;
1353 }
1354
1355 static void snd_card_fm801_remove(struct pci_dev *pci)
1356 {
1357         snd_card_free(pci_get_drvdata(pci));
1358 }
1359
1360 #ifdef CONFIG_PM_SLEEP
1361 static unsigned char saved_regs[] = {
1362         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1363         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1364         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1365         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1366 };
1367
1368 static int snd_fm801_suspend(struct device *dev)
1369 {
1370         struct pci_dev *pci = to_pci_dev(dev);
1371         struct snd_card *card = dev_get_drvdata(dev);
1372         struct fm801 *chip = card->private_data;
1373         int i;
1374
1375         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1376         snd_pcm_suspend_all(chip->pcm);
1377         snd_ac97_suspend(chip->ac97);
1378         snd_ac97_suspend(chip->ac97_sec);
1379         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1380                 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1381         /* FIXME: tea575x suspend */
1382
1383         pci_disable_device(pci);
1384         pci_save_state(pci);
1385         pci_set_power_state(pci, PCI_D3hot);
1386         return 0;
1387 }
1388
1389 static int snd_fm801_resume(struct device *dev)
1390 {
1391         struct pci_dev *pci = to_pci_dev(dev);
1392         struct snd_card *card = dev_get_drvdata(dev);
1393         struct fm801 *chip = card->private_data;
1394         int i;
1395
1396         pci_set_power_state(pci, PCI_D0);
1397         pci_restore_state(pci);
1398         if (pci_enable_device(pci) < 0) {
1399                 dev_err(dev, "pci_enable_device failed, disabling device\n");
1400                 snd_card_disconnect(card);
1401                 return -EIO;
1402         }
1403         pci_set_master(pci);
1404
1405         snd_fm801_chip_init(chip, 1);
1406         snd_ac97_resume(chip->ac97);
1407         snd_ac97_resume(chip->ac97_sec);
1408         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1409                 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1410
1411         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1412         return 0;
1413 }
1414
1415 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1416 #define SND_FM801_PM_OPS        &snd_fm801_pm
1417 #else
1418 #define SND_FM801_PM_OPS        NULL
1419 #endif /* CONFIG_PM_SLEEP */
1420
1421 static struct pci_driver fm801_driver = {
1422         .name = KBUILD_MODNAME,
1423         .id_table = snd_fm801_ids,
1424         .probe = snd_card_fm801_probe,
1425         .remove = snd_card_fm801_remove,
1426         .driver = {
1427                 .pm = SND_FM801_PM_OPS,
1428         },
1429 };
1430
1431 module_pci_driver(fm801_driver);