git.oblomov.eu Git - linux-2.6/blob - sound/pci/fm801.c

   1 /*
   2  *  The driver for the ForteMedia FM801 based soundcards
   3  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   4  *
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22 #include <sound/driver.h>
  23 #include <linux/delay.h>
  24 #include <linux/init.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/pci.h>
  27 #include <linux/slab.h>
  28 #include <linux/moduleparam.h>
  29 #include <sound/core.h>
  30 #include <sound/pcm.h>
  31 #include <sound/ac97_codec.h>
  32 #include <sound/mpu401.h>
  33 #include <sound/opl3.h>
  34 #include <sound/initval.h>
  35
  36 #include <asm/io.h>
  37
  38 #if (defined(CONFIG_SND_FM801_TEA575X) || defined(CONFIG_SND_FM801_TEA575X_MODULE)) && (defined(CONFIG_VIDEO_DEV) || defined(CONFIG_VIDEO_DEV_MODULE))
  39 #include <sound/tea575x-tuner.h>
  40 #define TEA575X_RADIO 1
  41 #endif
  42
  43 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
  44 MODULE_DESCRIPTION("ForteMedia FM801");
  45 MODULE_LICENSE("GPL");
  46 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  47                 "{Genius,SoundMaker Live 5.1}}");
  48
  49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  51 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
  52 /*
  53  *  Enable TEA575x tuner
  54  *    1 = MediaForte 256-PCS
  55  *    2 = MediaForte 256-PCPR
  56  *    3 = MediaForte 64-PCR
  57  *  High 16-bits are video (radio) device number + 1
  58  */
  59 static int tea575x_tuner[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = 0 };
  60
  61 module_param_array(index, int, NULL, 0444);
  62 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  63 module_param_array(id, charp, NULL, 0444);
  64 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  65 module_param_array(enable, bool, NULL, 0444);
  66 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  67 module_param_array(tea575x_tuner, int, NULL, 0444);
  68 MODULE_PARM_DESC(tea575x_tuner, "Enable TEA575x tuner.");
  69
  70 /*
  71  *  Direct registers
  72  */
  73
  74 #define FM801_REG(chip, reg)    (chip->port + FM801_##reg)
  75
  76 #define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  77 #define FM801_FM_VOL            0x02    /* FM Output Volume */
  78 #define FM801_I2S_VOL           0x04    /* I2S Volume */
  79 #define FM801_REC_SRC           0x06    /* Record Source */
  80 #define FM801_PLY_CTRL          0x08    /* Playback Control */
  81 #define FM801_PLY_COUNT         0x0a    /* Playback Count */
  82 #define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  83 #define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  84 #define FM801_CAP_CTRL          0x14    /* Capture Control */
  85 #define FM801_CAP_COUNT         0x16    /* Capture Count */
  86 #define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  87 #define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  88 #define FM801_CODEC_CTRL        0x22    /* Codec Control */
  89 #define FM801_I2S_MODE          0x24    /* I2S Mode Control */
  90 #define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
  91 #define FM801_I2C_CTRL          0x29    /* I2C Control */
  92 #define FM801_AC97_CMD          0x2a    /* AC'97 Command */
  93 #define FM801_AC97_DATA         0x2c    /* AC'97 Data */
  94 #define FM801_MPU401_DATA       0x30    /* MPU401 Data */
  95 #define FM801_MPU401_CMD        0x31    /* MPU401 Command */
  96 #define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
  97 #define FM801_GEN_CTRL          0x54    /* General Control */
  98 #define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
  99 #define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
 100 #define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
 101 #define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
 102 #define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
 103 #define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
 104 #define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
 105
 106 #define FM801_AC97_ADDR_SHIFT   10
 107
 108 /* playback and record control register bits */
 109 #define FM801_BUF1_LAST         (1<<1)
 110 #define FM801_BUF2_LAST         (1<<2)
 111 #define FM801_START             (1<<5)
 112 #define FM801_PAUSE             (1<<6)
 113 #define FM801_IMMED_STOP        (1<<7)
 114 #define FM801_RATE_SHIFT        8
 115 #define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 116 #define FM801_CHANNELS_4        (1<<12) /* playback only */
 117 #define FM801_CHANNELS_6        (2<<12) /* playback only */
 118 #define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 119 #define FM801_CHANNELS_MASK     (3<<12)
 120 #define FM801_16BIT             (1<<14)
 121 #define FM801_STEREO            (1<<15)
 122
 123 /* IRQ status bits */
 124 #define FM801_IRQ_PLAYBACK      (1<<8)
 125 #define FM801_IRQ_CAPTURE       (1<<9)
 126 #define FM801_IRQ_VOLUME        (1<<14)
 127 #define FM801_IRQ_MPU           (1<<15)
 128
 129 /* GPIO control register */
 130 #define FM801_GPIO_GP0          (1<<0)  /* read/write */
 131 #define FM801_GPIO_GP1          (1<<1)
 132 #define FM801_GPIO_GP2          (1<<2)
 133 #define FM801_GPIO_GP3          (1<<3)
 134 #define FM801_GPIO_GP(x)        (1<<(0+(x)))
 135 #define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 136 #define FM801_GPIO_GD1          (1<<9)
 137 #define FM801_GPIO_GD2          (1<<10)
 138 #define FM801_GPIO_GD3          (1<<11)
 139 #define FM801_GPIO_GD(x)        (1<<(8+(x)))
 140 #define FM801_GPIO_GS0          (1<<12) /* function select: */
 141 #define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 142 #define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 143 #define FM801_GPIO_GS3          (1<<15)
 144 #define FM801_GPIO_GS(x)        (1<<(12+(x)))
 145
 146 /*
 147
 148  */
 149
 150 typedef struct _snd_fm801 fm801_t;
 151
 152 struct _snd_fm801 {
 153         int irq;
 154
 155         unsigned long port;     /* I/O port number */
 156         unsigned int multichannel: 1,   /* multichannel support */
 157                      secondary: 1;      /* secondary codec */
 158         unsigned char secondary_addr;   /* address of the secondary codec */
 159
 160         unsigned short ply_ctrl; /* playback control */
 161         unsigned short cap_ctrl; /* capture control */
 162
 163         unsigned long ply_buffer;
 164         unsigned int ply_buf;
 165         unsigned int ply_count;
 166         unsigned int ply_size;
 167         unsigned int ply_pos;
 168
 169         unsigned long cap_buffer;
 170         unsigned int cap_buf;
 171         unsigned int cap_count;
 172         unsigned int cap_size;
 173         unsigned int cap_pos;
 174
 175         ac97_bus_t *ac97_bus;
 176         ac97_t *ac97;
 177         ac97_t *ac97_sec;
 178
 179         struct pci_dev *pci;
 180         snd_card_t *card;
 181         snd_pcm_t *pcm;
 182         snd_rawmidi_t *rmidi;
 183         snd_pcm_substream_t *playback_substream;
 184         snd_pcm_substream_t *capture_substream;
 185         unsigned int p_dma_size;
 186         unsigned int c_dma_size;
 187
 188         spinlock_t reg_lock;
 189         snd_info_entry_t *proc_entry;
 190
 191 #ifdef TEA575X_RADIO
 192         tea575x_t tea;
 193 #endif
 194 };
 195
 196 static struct pci_device_id snd_fm801_ids[] = {
 197         { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 198         { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 199         { 0, }
 200 };
 201
 202 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 203
 204 /*
 205  *  common I/O routines
 206  */
 207
 208 static int snd_fm801_update_bits(fm801_t *chip, unsigned short reg,
 209                                  unsigned short mask, unsigned short value)
 210 {
 211         int change;
 212         unsigned long flags;
 213         unsigned short old, new;
 214
 215         spin_lock_irqsave(&chip->reg_lock, flags);
 216         old = inw(chip->port + reg);
 217         new = (old & ~mask) | value;
 218         change = old != new;
 219         if (change)
 220                 outw(new, chip->port + reg);
 221         spin_unlock_irqrestore(&chip->reg_lock, flags);
 222         return change;
 223 }
 224
 225 static void snd_fm801_codec_write(ac97_t *ac97,
 226                                   unsigned short reg,
 227                                   unsigned short val)
 228 {
 229         fm801_t *chip = ac97->private_data;
 230         int idx;
 231
 232         /*
 233          *  Wait until the codec interface is not ready..
 234          */
 235         for (idx = 0; idx < 100; idx++) {
 236                 if (!(inw(FM801_REG(chip, AC97_CMD)) & (1<<9)))
 237                         goto ok1;
 238                 udelay(10);
 239         }
 240         snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 241         return;
 242
 243  ok1:
 244         /* write data and address */
 245         outw(val, FM801_REG(chip, AC97_DATA));
 246         outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
 247         /*
 248          *  Wait until the write command is not completed..
 249          */
 250         for (idx = 0; idx < 1000; idx++) {
 251                 if (!(inw(FM801_REG(chip, AC97_CMD)) & (1<<9)))
 252                         return;
 253                 udelay(10);
 254         }
 255         snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 256 }
 257
 258 static unsigned short snd_fm801_codec_read(ac97_t *ac97, unsigned short reg)
 259 {
 260         fm801_t *chip = ac97->private_data;
 261         int idx;
 262
 263         /*
 264          *  Wait until the codec interface is not ready..
 265          */
 266         for (idx = 0; idx < 100; idx++) {
 267                 if (!(inw(FM801_REG(chip, AC97_CMD)) & (1<<9)))
 268                         goto ok1;
 269                 udelay(10);
 270         }
 271         snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 272         return 0;
 273
 274  ok1:
 275         /* read command */
 276         outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | (1<<7), FM801_REG(chip, AC97_CMD));
 277         for (idx = 0; idx < 100; idx++) {
 278                 if (!(inw(FM801_REG(chip, AC97_CMD)) & (1<<9)))
 279                         goto ok2;
 280                 udelay(10);
 281         }
 282         snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 283         return 0;
 284
 285  ok2:
 286         for (idx = 0; idx < 1000; idx++) {
 287                 if (inw(FM801_REG(chip, AC97_CMD)) & (1<<8))
 288                         goto ok3;
 289                 udelay(10);
 290         }
 291         snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num);
 292         return 0;
 293
 294  ok3:
 295         return inw(FM801_REG(chip, AC97_DATA));
 296 }
 297
 298 static unsigned int rates[] = {
 299   5500,  8000,  9600, 11025,
 300   16000, 19200, 22050, 32000,
 301   38400, 44100, 48000
 302 };
 303
 304 static snd_pcm_hw_constraint_list_t hw_constraints_rates = {
 305         .count = ARRAY_SIZE(rates),
 306         .list = rates,
 307         .mask = 0,
 308 };
 309
 310 static unsigned int channels[] = {
 311   2, 4, 6
 312 };
 313
 314 #define CHANNELS sizeof(channels) / sizeof(channels[0])
 315
 316 static snd_pcm_hw_constraint_list_t hw_constraints_channels = {
 317         .count = CHANNELS,
 318         .list = channels,
 319         .mask = 0,
 320 };
 321
 322 /*
 323  *  Sample rate routines
 324  */
 325
 326 static unsigned short snd_fm801_rate_bits(unsigned int rate)
 327 {
 328         unsigned int idx;
 329
 330         for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 331                 if (rates[idx] == rate)
 332                         return idx;
 333         snd_BUG();
 334         return ARRAY_SIZE(rates) - 1;
 335 }
 336
 337 /*
 338  *  PCM part
 339  */
 340
 341 static int snd_fm801_playback_trigger(snd_pcm_substream_t * substream,
 342                                       int cmd)
 343 {
 344         fm801_t *chip = snd_pcm_substream_chip(substream);
 345
 346         spin_lock(&chip->reg_lock);
 347         switch (cmd) {
 348         case SNDRV_PCM_TRIGGER_START:
 349                 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 350                                      FM801_BUF2_LAST |
 351                                      FM801_PAUSE);
 352                 chip->ply_ctrl |= FM801_START |
 353                                    FM801_IMMED_STOP;
 354                 break;
 355         case SNDRV_PCM_TRIGGER_STOP:
 356                 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 357                 break;
 358         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 359                 chip->ply_ctrl |= FM801_PAUSE;
 360                 break;
 361         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 362                 chip->ply_ctrl &= ~FM801_PAUSE;
 363                 break;
 364         default:
 365                 spin_unlock(&chip->reg_lock);
 366                 snd_BUG();
 367                 return -EINVAL;
 368         }
 369         outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 370         spin_unlock(&chip->reg_lock);
 371         return 0;
 372 }
 373
 374 static int snd_fm801_capture_trigger(snd_pcm_substream_t * substream,
 375                                      int cmd)
 376 {
 377         fm801_t *chip = snd_pcm_substream_chip(substream);
 378
 379         spin_lock(&chip->reg_lock);
 380         switch (cmd) {
 381         case SNDRV_PCM_TRIGGER_START:
 382                 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 383                                      FM801_BUF2_LAST |
 384                                      FM801_PAUSE);
 385                 chip->cap_ctrl |= FM801_START |
 386                                    FM801_IMMED_STOP;
 387                 break;
 388         case SNDRV_PCM_TRIGGER_STOP:
 389                 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 390                 break;
 391         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 392                 chip->cap_ctrl |= FM801_PAUSE;
 393                 break;
 394         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 395                 chip->cap_ctrl &= ~FM801_PAUSE;
 396                 break;
 397         default:
 398                 spin_unlock(&chip->reg_lock);
 399                 snd_BUG();
 400                 return -EINVAL;
 401         }
 402         outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 403         spin_unlock(&chip->reg_lock);
 404         return 0;
 405 }
 406
 407 static int snd_fm801_hw_params(snd_pcm_substream_t * substream,
 408                                snd_pcm_hw_params_t * hw_params)
 409 {
 410         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 411 }
 412
 413 static int snd_fm801_hw_free(snd_pcm_substream_t * substream)
 414 {
 415         return snd_pcm_lib_free_pages(substream);
 416 }
 417
 418 static int snd_fm801_playback_prepare(snd_pcm_substream_t * substream)
 419 {
 420         fm801_t *chip = snd_pcm_substream_chip(substream);
 421         snd_pcm_runtime_t *runtime = substream->runtime;
 422
 423         chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 424         chip->ply_count = snd_pcm_lib_period_bytes(substream);
 425         spin_lock_irq(&chip->reg_lock);
 426         chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 427                              FM801_STEREO | FM801_RATE_MASK |
 428                              FM801_CHANNELS_MASK);
 429         if (snd_pcm_format_width(runtime->format) == 16)
 430                 chip->ply_ctrl |= FM801_16BIT;
 431         if (runtime->channels > 1) {
 432                 chip->ply_ctrl |= FM801_STEREO;
 433                 if (runtime->channels == 4)
 434                         chip->ply_ctrl |= FM801_CHANNELS_4;
 435                 else if (runtime->channels == 6)
 436                         chip->ply_ctrl |= FM801_CHANNELS_6;
 437         }
 438         chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 439         chip->ply_buf = 0;
 440         outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 441         outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
 442         chip->ply_buffer = runtime->dma_addr;
 443         chip->ply_pos = 0;
 444         outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
 445         outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
 446         spin_unlock_irq(&chip->reg_lock);
 447         return 0;
 448 }
 449
 450 static int snd_fm801_capture_prepare(snd_pcm_substream_t * substream)
 451 {
 452         fm801_t *chip = snd_pcm_substream_chip(substream);
 453         snd_pcm_runtime_t *runtime = substream->runtime;
 454
 455         chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 456         chip->cap_count = snd_pcm_lib_period_bytes(substream);
 457         spin_lock_irq(&chip->reg_lock);
 458         chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 459                              FM801_STEREO | FM801_RATE_MASK);
 460         if (snd_pcm_format_width(runtime->format) == 16)
 461                 chip->cap_ctrl |= FM801_16BIT;
 462         if (runtime->channels > 1)
 463                 chip->cap_ctrl |= FM801_STEREO;
 464         chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 465         chip->cap_buf = 0;
 466         outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 467         outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
 468         chip->cap_buffer = runtime->dma_addr;
 469         chip->cap_pos = 0;
 470         outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
 471         outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
 472         spin_unlock_irq(&chip->reg_lock);
 473         return 0;
 474 }
 475
 476 static snd_pcm_uframes_t snd_fm801_playback_pointer(snd_pcm_substream_t * substream)
 477 {
 478         fm801_t *chip = snd_pcm_substream_chip(substream);
 479         size_t ptr;
 480
 481         if (!(chip->ply_ctrl & FM801_START))
 482                 return 0;
 483         spin_lock(&chip->reg_lock);
 484         ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
 485         if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
 486                 ptr += chip->ply_count;
 487                 ptr %= chip->ply_size;
 488         }
 489         spin_unlock(&chip->reg_lock);
 490         return bytes_to_frames(substream->runtime, ptr);
 491 }
 492
 493 static snd_pcm_uframes_t snd_fm801_capture_pointer(snd_pcm_substream_t * substream)
 494 {
 495         fm801_t *chip = snd_pcm_substream_chip(substream);
 496         size_t ptr;
 497
 498         if (!(chip->cap_ctrl & FM801_START))
 499                 return 0;
 500         spin_lock(&chip->reg_lock);
 501         ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
 502         if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
 503                 ptr += chip->cap_count;
 504                 ptr %= chip->cap_size;
 505         }
 506         spin_unlock(&chip->reg_lock);
 507         return bytes_to_frames(substream->runtime, ptr);
 508 }
 509
 510 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 511 {
 512         fm801_t *chip = dev_id;
 513         unsigned short status;
 514         unsigned int tmp;
 515
 516         status = inw(FM801_REG(chip, IRQ_STATUS));
 517         status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 518         if (! status)
 519                 return IRQ_NONE;
 520         /* ack first */
 521         outw(status, FM801_REG(chip, IRQ_STATUS));
 522         if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 523                 spin_lock(&chip->reg_lock);
 524                 chip->ply_buf++;
 525                 chip->ply_pos += chip->ply_count;
 526                 chip->ply_pos %= chip->ply_size;
 527                 tmp = chip->ply_pos + chip->ply_count;
 528                 tmp %= chip->ply_size;
 529                 outl(chip->ply_buffer + tmp,
 530                                 (chip->ply_buf & 1) ?
 531                                         FM801_REG(chip, PLY_BUF1) :
 532                                         FM801_REG(chip, PLY_BUF2));
 533                 spin_unlock(&chip->reg_lock);
 534                 snd_pcm_period_elapsed(chip->playback_substream);
 535         }
 536         if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 537                 spin_lock(&chip->reg_lock);
 538                 chip->cap_buf++;
 539                 chip->cap_pos += chip->cap_count;
 540                 chip->cap_pos %= chip->cap_size;
 541                 tmp = chip->cap_pos + chip->cap_count;
 542                 tmp %= chip->cap_size;
 543                 outl(chip->cap_buffer + tmp,
 544                                 (chip->cap_buf & 1) ?
 545                                         FM801_REG(chip, CAP_BUF1) :
 546                                         FM801_REG(chip, CAP_BUF2));
 547                 spin_unlock(&chip->reg_lock);
 548                 snd_pcm_period_elapsed(chip->capture_substream);
 549         }
 550         if (chip->rmidi && (status & FM801_IRQ_MPU))
 551                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
 552         if (status & FM801_IRQ_VOLUME)
 553                 ;/* TODO */
 554
 555         return IRQ_HANDLED;
 556 }
 557
 558 static snd_pcm_hardware_t snd_fm801_playback =
 559 {
 560         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 561                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 562                                  SNDRV_PCM_INFO_PAUSE |
 563                                  SNDRV_PCM_INFO_MMAP_VALID),
 564         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 565         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 566         .rate_min =             5500,
 567         .rate_max =             48000,
 568         .channels_min =         1,
 569         .channels_max =         2,
 570         .buffer_bytes_max =     (128*1024),
 571         .period_bytes_min =     64,
 572         .period_bytes_max =     (128*1024),
 573         .periods_min =          1,
 574         .periods_max =          1024,
 575         .fifo_size =            0,
 576 };
 577
 578 static snd_pcm_hardware_t snd_fm801_capture =
 579 {
 580         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 581                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 582                                  SNDRV_PCM_INFO_PAUSE |
 583                                  SNDRV_PCM_INFO_MMAP_VALID),
 584         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 585         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 586         .rate_min =             5500,
 587         .rate_max =             48000,
 588         .channels_min =         1,
 589         .channels_max =         2,
 590         .buffer_bytes_max =     (128*1024),
 591         .period_bytes_min =     64,
 592         .period_bytes_max =     (128*1024),
 593         .periods_min =          1,
 594         .periods_max =          1024,
 595         .fifo_size =            0,
 596 };
 597
 598 static int snd_fm801_playback_open(snd_pcm_substream_t * substream)
 599 {
 600         fm801_t *chip = snd_pcm_substream_chip(substream);
 601         snd_pcm_runtime_t *runtime = substream->runtime;
 602         int err;
 603
 604         chip->playback_substream = substream;
 605         runtime->hw = snd_fm801_playback;
 606         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
 607         if (chip->multichannel) {
 608                 runtime->hw.channels_max = 6;
 609                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels);
 610         }
 611         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 612                 return err;
 613         return 0;
 614 }
 615
 616 static int snd_fm801_capture_open(snd_pcm_substream_t * substream)
 617 {
 618         fm801_t *chip = snd_pcm_substream_chip(substream);
 619         snd_pcm_runtime_t *runtime = substream->runtime;
 620         int err;
 621
 622         chip->capture_substream = substream;
 623         runtime->hw = snd_fm801_capture;
 624         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
 625         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 626                 return err;
 627         return 0;
 628 }
 629
 630 static int snd_fm801_playback_close(snd_pcm_substream_t * substream)
 631 {
 632         fm801_t *chip = snd_pcm_substream_chip(substream);
 633
 634         chip->playback_substream = NULL;
 635         return 0;
 636 }
 637
 638 static int snd_fm801_capture_close(snd_pcm_substream_t * substream)
 639 {
 640         fm801_t *chip = snd_pcm_substream_chip(substream);
 641
 642         chip->capture_substream = NULL;
 643         return 0;
 644 }
 645
 646 static snd_pcm_ops_t snd_fm801_playback_ops = {
 647         .open =         snd_fm801_playback_open,
 648         .close =        snd_fm801_playback_close,
 649         .ioctl =        snd_pcm_lib_ioctl,
 650         .hw_params =    snd_fm801_hw_params,
 651         .hw_free =      snd_fm801_hw_free,
 652         .prepare =      snd_fm801_playback_prepare,
 653         .trigger =      snd_fm801_playback_trigger,
 654         .pointer =      snd_fm801_playback_pointer,
 655 };
 656
 657 static snd_pcm_ops_t snd_fm801_capture_ops = {
 658         .open =         snd_fm801_capture_open,
 659         .close =        snd_fm801_capture_close,
 660         .ioctl =        snd_pcm_lib_ioctl,
 661         .hw_params =    snd_fm801_hw_params,
 662         .hw_free =      snd_fm801_hw_free,
 663         .prepare =      snd_fm801_capture_prepare,
 664         .trigger =      snd_fm801_capture_trigger,
 665         .pointer =      snd_fm801_capture_pointer,
 666 };
 667
 668 static int __devinit snd_fm801_pcm(fm801_t *chip, int device, snd_pcm_t ** rpcm)
 669 {
 670         snd_pcm_t *pcm;
 671         int err;
 672
 673         if (rpcm)
 674                 *rpcm = NULL;
 675         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 676                 return err;
 677
 678         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 679         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 680
 681         pcm->private_data = chip;
 682         pcm->info_flags = 0;
 683         strcpy(pcm->name, "FM801");
 684         chip->pcm = pcm;
 685
 686         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 687                                               snd_dma_pci_data(chip->pci),
 688                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 689
 690         if (rpcm)
 691                 *rpcm = pcm;
 692         return 0;
 693 }
 694
 695 /*
 696  *  TEA5757 radio
 697  */
 698
 699 #ifdef TEA575X_RADIO
 700
 701 /* 256PCS GPIO numbers */
 702 #define TEA_256PCS_DATA                 1
 703 #define TEA_256PCS_WRITE_ENABLE         2       /* inverted */
 704 #define TEA_256PCS_BUS_CLOCK            3
 705
 706 static void snd_fm801_tea575x_256pcs_write(tea575x_t *tea, unsigned int val)
 707 {
 708         fm801_t *chip = tea->private_data;
 709         unsigned short reg;
 710         int i = 25;
 711
 712         spin_lock_irq(&chip->reg_lock);
 713         reg = inw(FM801_REG(chip, GPIO_CTRL));
 714         /* use GPIO lines and set write enable bit */
 715         reg |= FM801_GPIO_GS(TEA_256PCS_DATA) |
 716                FM801_GPIO_GS(TEA_256PCS_WRITE_ENABLE) |
 717                FM801_GPIO_GS(TEA_256PCS_BUS_CLOCK);
 718         /* all of lines are in the write direction */
 719         /* clear data and clock lines */
 720         reg &= ~(FM801_GPIO_GD(TEA_256PCS_DATA) |
 721                  FM801_GPIO_GD(TEA_256PCS_WRITE_ENABLE) |
 722                  FM801_GPIO_GD(TEA_256PCS_BUS_CLOCK) |
 723                  FM801_GPIO_GP(TEA_256PCS_DATA) |
 724                  FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK) |
 725                  FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE));
 726         outw(reg, FM801_REG(chip, GPIO_CTRL));
 727         udelay(1);
 728
 729         while (i--) {
 730                 if (val & (1 << i))
 731                         reg |= FM801_GPIO_GP(TEA_256PCS_DATA);
 732                 else
 733                         reg &= ~FM801_GPIO_GP(TEA_256PCS_DATA);
 734                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 735                 udelay(1);
 736                 reg |= FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 737                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 738                 reg &= ~FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 739                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 740                 udelay(1);
 741         }
 742
 743         /* and reset the write enable bit */
 744         reg |= FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE) |
 745                FM801_GPIO_GP(TEA_256PCS_DATA);
 746         outw(reg, FM801_REG(chip, GPIO_CTRL));
 747         spin_unlock_irq(&chip->reg_lock);
 748 }
 749
 750 static unsigned int snd_fm801_tea575x_256pcs_read(tea575x_t *tea)
 751 {
 752         fm801_t *chip = tea->private_data;
 753         unsigned short reg;
 754         unsigned int val = 0;
 755         int i;
 756
 757         spin_lock_irq(&chip->reg_lock);
 758         reg = inw(FM801_REG(chip, GPIO_CTRL));
 759         /* use GPIO lines, set data direction to input */
 760         reg |= FM801_GPIO_GS(TEA_256PCS_DATA) |
 761                FM801_GPIO_GS(TEA_256PCS_WRITE_ENABLE) |
 762                FM801_GPIO_GS(TEA_256PCS_BUS_CLOCK) |
 763                FM801_GPIO_GD(TEA_256PCS_DATA) |
 764                FM801_GPIO_GP(TEA_256PCS_DATA) |
 765                FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE);
 766         /* all of lines are in the write direction, except data */
 767         /* clear data, write enable and clock lines */
 768         reg &= ~(FM801_GPIO_GD(TEA_256PCS_WRITE_ENABLE) |
 769                  FM801_GPIO_GD(TEA_256PCS_BUS_CLOCK) |
 770                  FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK));
 771
 772         for (i = 0; i < 24; i++) {
 773                 reg &= ~FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 774                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 775                 udelay(1);
 776                 reg |= FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 777                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 778                 udelay(1);
 779                 val <<= 1;
 780                 if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_256PCS_DATA))
 781                         val |= 1;
 782         }
 783
 784         spin_unlock_irq(&chip->reg_lock);
 785
 786         return val;
 787 }
 788
 789 /* 256PCPR GPIO numbers */
 790 #define TEA_256PCPR_BUS_CLOCK           0
 791 #define TEA_256PCPR_DATA                1
 792 #define TEA_256PCPR_WRITE_ENABLE        2       /* inverted */
 793
 794 static void snd_fm801_tea575x_256pcpr_write(tea575x_t *tea, unsigned int val)
 795 {
 796         fm801_t *chip = tea->private_data;
 797         unsigned short reg;
 798         int i = 25;
 799
 800         spin_lock_irq(&chip->reg_lock);
 801         reg = inw(FM801_REG(chip, GPIO_CTRL));
 802         /* use GPIO lines and set write enable bit */
 803         reg |= FM801_GPIO_GS(TEA_256PCPR_DATA) |
 804                FM801_GPIO_GS(TEA_256PCPR_WRITE_ENABLE) |
 805                FM801_GPIO_GS(TEA_256PCPR_BUS_CLOCK);
 806         /* all of lines are in the write direction */
 807         /* clear data and clock lines */
 808         reg &= ~(FM801_GPIO_GD(TEA_256PCPR_DATA) |
 809                  FM801_GPIO_GD(TEA_256PCPR_WRITE_ENABLE) |
 810                  FM801_GPIO_GD(TEA_256PCPR_BUS_CLOCK) |
 811                  FM801_GPIO_GP(TEA_256PCPR_DATA) |
 812                  FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK) |
 813                  FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE));
 814         outw(reg, FM801_REG(chip, GPIO_CTRL));
 815         udelay(1);
 816
 817         while (i--) {
 818                 if (val & (1 << i))
 819                         reg |= FM801_GPIO_GP(TEA_256PCPR_DATA);
 820                 else
 821                         reg &= ~FM801_GPIO_GP(TEA_256PCPR_DATA);
 822                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 823                 udelay(1);
 824                 reg |= FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 825                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 826                 reg &= ~FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 827                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 828                 udelay(1);
 829         }
 830
 831         /* and reset the write enable bit */
 832         reg |= FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE) |
 833                FM801_GPIO_GP(TEA_256PCPR_DATA);
 834         outw(reg, FM801_REG(chip, GPIO_CTRL));
 835         spin_unlock_irq(&chip->reg_lock);
 836 }
 837
 838 static unsigned int snd_fm801_tea575x_256pcpr_read(tea575x_t *tea)
 839 {
 840         fm801_t *chip = tea->private_data;
 841         unsigned short reg;
 842         unsigned int val = 0;
 843         int i;
 844
 845         spin_lock_irq(&chip->reg_lock);
 846         reg = inw(FM801_REG(chip, GPIO_CTRL));
 847         /* use GPIO lines, set data direction to input */
 848         reg |= FM801_GPIO_GS(TEA_256PCPR_DATA) |
 849                FM801_GPIO_GS(TEA_256PCPR_WRITE_ENABLE) |
 850                FM801_GPIO_GS(TEA_256PCPR_BUS_CLOCK) |
 851                FM801_GPIO_GD(TEA_256PCPR_DATA) |
 852                FM801_GPIO_GP(TEA_256PCPR_DATA) |
 853                FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE);
 854         /* all of lines are in the write direction, except data */
 855         /* clear data, write enable and clock lines */
 856         reg &= ~(FM801_GPIO_GD(TEA_256PCPR_WRITE_ENABLE) |
 857                  FM801_GPIO_GD(TEA_256PCPR_BUS_CLOCK) |
 858                  FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK));
 859
 860         for (i = 0; i < 24; i++) {
 861                 reg &= ~FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 862                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 863                 udelay(1);
 864                 reg |= FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 865                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 866                 udelay(1);
 867                 val <<= 1;
 868                 if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_256PCPR_DATA))
 869                         val |= 1;
 870         }
 871
 872         spin_unlock_irq(&chip->reg_lock);
 873
 874         return val;
 875 }
 876
 877 /* 64PCR GPIO numbers */
 878 #define TEA_64PCR_BUS_CLOCK             0
 879 #define TEA_64PCR_WRITE_ENABLE          1       /* inverted */
 880 #define TEA_64PCR_DATA                  2
 881
 882 static void snd_fm801_tea575x_64pcr_write(tea575x_t *tea, unsigned int val)
 883 {
 884         fm801_t *chip = tea->private_data;
 885         unsigned short reg;
 886         int i = 25;
 887
 888         spin_lock_irq(&chip->reg_lock);
 889         reg = inw(FM801_REG(chip, GPIO_CTRL));
 890         /* use GPIO lines and set write enable bit */
 891         reg |= FM801_GPIO_GS(TEA_64PCR_DATA) |
 892                FM801_GPIO_GS(TEA_64PCR_WRITE_ENABLE) |
 893                FM801_GPIO_GS(TEA_64PCR_BUS_CLOCK);
 894         /* all of lines are in the write direction */
 895         /* clear data and clock lines */
 896         reg &= ~(FM801_GPIO_GD(TEA_64PCR_DATA) |
 897                  FM801_GPIO_GD(TEA_64PCR_WRITE_ENABLE) |
 898                  FM801_GPIO_GD(TEA_64PCR_BUS_CLOCK) |
 899                  FM801_GPIO_GP(TEA_64PCR_DATA) |
 900                  FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK) |
 901                  FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE));
 902         outw(reg, FM801_REG(chip, GPIO_CTRL));
 903         udelay(1);
 904
 905         while (i--) {
 906                 if (val & (1 << i))
 907                         reg |= FM801_GPIO_GP(TEA_64PCR_DATA);
 908                 else
 909                         reg &= ~FM801_GPIO_GP(TEA_64PCR_DATA);
 910                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 911                 udelay(1);
 912                 reg |= FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 913                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 914                 reg &= ~FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 915                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 916                 udelay(1);
 917         }
 918
 919         /* and reset the write enable bit */
 920         reg |= FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE) |
 921                FM801_GPIO_GP(TEA_64PCR_DATA);
 922         outw(reg, FM801_REG(chip, GPIO_CTRL));
 923         spin_unlock_irq(&chip->reg_lock);
 924 }
 925
 926 static unsigned int snd_fm801_tea575x_64pcr_read(tea575x_t *tea)
 927 {
 928         fm801_t *chip = tea->private_data;
 929         unsigned short reg;
 930         unsigned int val = 0;
 931         int i;
 932
 933         spin_lock_irq(&chip->reg_lock);
 934         reg = inw(FM801_REG(chip, GPIO_CTRL));
 935         /* use GPIO lines, set data direction to input */
 936         reg |= FM801_GPIO_GS(TEA_64PCR_DATA) |
 937                FM801_GPIO_GS(TEA_64PCR_WRITE_ENABLE) |
 938                FM801_GPIO_GS(TEA_64PCR_BUS_CLOCK) |
 939                FM801_GPIO_GD(TEA_64PCR_DATA) |
 940                FM801_GPIO_GP(TEA_64PCR_DATA) |
 941                FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
 942         /* all of lines are in the write direction, except data */
 943         /* clear data, write enable and clock lines */
 944         reg &= ~(FM801_GPIO_GD(TEA_64PCR_WRITE_ENABLE) |
 945                  FM801_GPIO_GD(TEA_64PCR_BUS_CLOCK) |
 946                  FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK));
 947
 948         for (i = 0; i < 24; i++) {
 949                 reg &= ~FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 950                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 951                 udelay(1);
 952                 reg |= FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 953                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 954                 udelay(1);
 955                 val <<= 1;
 956                 if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_64PCR_DATA))
 957                         val |= 1;
 958         }
 959
 960         spin_unlock_irq(&chip->reg_lock);
 961
 962         return val;
 963 }
 964
 965 static struct snd_tea575x_ops snd_fm801_tea_ops[3] = {
 966         {
 967                 /* 1 = MediaForte 256-PCS */
 968                 .write = snd_fm801_tea575x_256pcs_write,
 969                 .read = snd_fm801_tea575x_256pcs_read,
 970         },
 971         {
 972                 /* 2 = MediaForte 256-PCPR */
 973                 .write = snd_fm801_tea575x_256pcpr_write,
 974                 .read = snd_fm801_tea575x_256pcpr_read,
 975         },
 976         {
 977                 /* 3 = MediaForte 64-PCR */
 978                 .write = snd_fm801_tea575x_64pcr_write,
 979                 .read = snd_fm801_tea575x_64pcr_read,
 980         }
 981 };
 982 #endif
 983
 984 /*
 985  *  Mixer routines
 986  */
 987
 988 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
 989 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 990   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 991   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 992
 993 static int snd_fm801_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 994 {
 995         int mask = (kcontrol->private_value >> 16) & 0xff;
 996
 997         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 998         uinfo->count = 1;
 999         uinfo->value.integer.min = 0;
1000         uinfo->value.integer.max = mask;
1001         return 0;
1002 }
1003
1004 static int snd_fm801_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1005 {
1006         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1007         int reg = kcontrol->private_value & 0xff;
1008         int shift = (kcontrol->private_value >> 8) & 0xff;
1009         int mask = (kcontrol->private_value >> 16) & 0xff;
1010         int invert = (kcontrol->private_value >> 24) & 0xff;
1011
1012         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
1013         if (invert)
1014                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1015         return 0;
1016 }
1017
1018 static int snd_fm801_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1019 {
1020         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1021         int reg = kcontrol->private_value & 0xff;
1022         int shift = (kcontrol->private_value >> 8) & 0xff;
1023         int mask = (kcontrol->private_value >> 16) & 0xff;
1024         int invert = (kcontrol->private_value >> 24) & 0xff;
1025         unsigned short val;
1026
1027         val = (ucontrol->value.integer.value[0] & mask);
1028         if (invert)
1029                 val = mask - val;
1030         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
1031 }
1032
1033 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
1034 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
1035   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
1036   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
1037
1038 static int snd_fm801_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1039 {
1040         int mask = (kcontrol->private_value >> 16) & 0xff;
1041
1042         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1043         uinfo->count = 2;
1044         uinfo->value.integer.min = 0;
1045         uinfo->value.integer.max = mask;
1046         return 0;
1047 }
1048
1049 static int snd_fm801_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1050 {
1051         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1052         int reg = kcontrol->private_value & 0xff;
1053         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
1054         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
1055         int mask = (kcontrol->private_value >> 16) & 0xff;
1056         int invert = (kcontrol->private_value >> 24) & 0xff;
1057
1058         spin_lock_irq(&chip->reg_lock);
1059         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
1060         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
1061         spin_unlock_irq(&chip->reg_lock);
1062         if (invert) {
1063                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1064                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1065         }
1066         return 0;
1067 }
1068
1069 static int snd_fm801_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1070 {
1071         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1072         int reg = kcontrol->private_value & 0xff;
1073         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
1074         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
1075         int mask = (kcontrol->private_value >> 16) & 0xff;
1076         int invert = (kcontrol->private_value >> 24) & 0xff;
1077         unsigned short val1, val2;
1078
1079         val1 = ucontrol->value.integer.value[0] & mask;
1080         val2 = ucontrol->value.integer.value[1] & mask;
1081         if (invert) {
1082                 val1 = mask - val1;
1083                 val2 = mask - val2;
1084         }
1085         return snd_fm801_update_bits(chip, reg,
1086                                      (mask << shift_left) | (mask << shift_right),
1087                                      (val1 << shift_left ) | (val2 << shift_right));
1088 }
1089
1090 static int snd_fm801_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1091 {
1092         static char *texts[5] = {
1093                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
1094         };
1095
1096         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1097         uinfo->count = 1;
1098         uinfo->value.enumerated.items = 5;
1099         if (uinfo->value.enumerated.item > 4)
1100                 uinfo->value.enumerated.item = 4;
1101         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1102         return 0;
1103 }
1104
1105 static int snd_fm801_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1106 {
1107         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1108         unsigned short val;
1109
1110         val = inw(FM801_REG(chip, REC_SRC)) & 7;
1111         if (val > 4)
1112                 val = 4;
1113         ucontrol->value.enumerated.item[0] = val;
1114         return 0;
1115 }
1116
1117 static int snd_fm801_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1118 {
1119         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1120         unsigned short val;
1121
1122         if ((val = ucontrol->value.enumerated.item[0]) > 4)
1123                 return -EINVAL;
1124         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
1125 }
1126
1127 #define FM801_CONTROLS (sizeof(snd_fm801_controls)/sizeof(snd_kcontrol_new_t))
1128
1129 static snd_kcontrol_new_t snd_fm801_controls[] __devinitdata = {
1130 FM801_DOUBLE("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1),
1131 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1132 FM801_DOUBLE("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1),
1133 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1134 FM801_DOUBLE("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1),
1135 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1136 {
1137         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1138         .name = "Digital Capture Source",
1139         .info = snd_fm801_info_mux,
1140         .get = snd_fm801_get_mux,
1141         .put = snd_fm801_put_mux,
1142 }
1143 };
1144
1145 #define FM801_CONTROLS_MULTI (sizeof(snd_fm801_controls_multi)/sizeof(snd_kcontrol_new_t))
1146
1147 static snd_kcontrol_new_t snd_fm801_controls_multi[] __devinitdata = {
1148 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1149 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1150 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1151 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1152 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1153 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1154 };
1155
1156 static void snd_fm801_mixer_free_ac97_bus(ac97_bus_t *bus)
1157 {
1158         fm801_t *chip = bus->private_data;
1159         chip->ac97_bus = NULL;
1160 }
1161
1162 static void snd_fm801_mixer_free_ac97(ac97_t *ac97)
1163 {
1164         fm801_t *chip = ac97->private_data;
1165         if (ac97->num == 0) {
1166                 chip->ac97 = NULL;
1167         } else {
1168                 chip->ac97_sec = NULL;
1169         }
1170 }
1171
1172 static int __devinit snd_fm801_mixer(fm801_t *chip)
1173 {
1174         ac97_template_t ac97;
1175         unsigned int i;
1176         int err;
1177         static ac97_bus_ops_t ops = {
1178                 .write = snd_fm801_codec_write,
1179                 .read = snd_fm801_codec_read,
1180         };
1181
1182         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1183                 return err;
1184         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1185
1186         memset(&ac97, 0, sizeof(ac97));
1187         ac97.private_data = chip;
1188         ac97.private_free = snd_fm801_mixer_free_ac97;
1189         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1190                 return err;
1191         if (chip->secondary) {
1192                 ac97.num = 1;
1193                 ac97.addr = chip->secondary_addr;
1194                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1195                         return err;
1196         }
1197         for (i = 0; i < FM801_CONTROLS; i++)
1198                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1199         if (chip->multichannel) {
1200                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1201                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1202         }
1203         return 0;
1204 }
1205
1206 /*
1207  *  initialization routines
1208  */
1209
1210 static int snd_fm801_free(fm801_t *chip)
1211 {
1212         unsigned short cmdw;
1213
1214         if (chip->irq < 0)
1215                 goto __end_hw;
1216
1217         /* interrupt setup - mask everything */
1218         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1219         cmdw |= 0x00c3;
1220         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1221
1222       __end_hw:
1223 #ifdef TEA575X_RADIO
1224         snd_tea575x_exit(&chip->tea);
1225 #endif
1226         if (chip->irq >= 0)
1227                 free_irq(chip->irq, (void *)chip);
1228         pci_release_regions(chip->pci);
1229         pci_disable_device(chip->pci);
1230
1231         kfree(chip);
1232         return 0;
1233 }
1234
1235 static int snd_fm801_dev_free(snd_device_t *device)
1236 {
1237         fm801_t *chip = device->device_data;
1238         return snd_fm801_free(chip);
1239 }
1240
1241 static int __devinit snd_fm801_create(snd_card_t * card,
1242                                       struct pci_dev * pci,
1243                                       int tea575x_tuner,
1244                                       fm801_t ** rchip)
1245 {
1246         fm801_t *chip;
1247         unsigned char rev, id;
1248         unsigned short cmdw;
1249         unsigned long timeout;
1250         int err;
1251         static snd_device_ops_t ops = {
1252                 .dev_free =     snd_fm801_dev_free,
1253         };
1254
1255         *rchip = NULL;
1256         if ((err = pci_enable_device(pci)) < 0)
1257                 return err;
1258         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1259         if (chip == NULL) {
1260                 pci_disable_device(pci);
1261                 return -ENOMEM;
1262         }
1263         spin_lock_init(&chip->reg_lock);
1264         chip->card = card;
1265         chip->pci = pci;
1266         chip->irq = -1;
1267         if ((err = pci_request_regions(pci, "FM801")) < 0) {
1268                 kfree(chip);
1269                 pci_disable_device(pci);
1270                 return err;
1271         }
1272         chip->port = pci_resource_start(pci, 0);
1273         if (request_irq(pci->irq, snd_fm801_interrupt, SA_INTERRUPT|SA_SHIRQ, "FM801", (void *)chip)) {
1274                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1275                 snd_fm801_free(chip);
1276                 return -EBUSY;
1277         }
1278         chip->irq = pci->irq;
1279         pci_set_master(pci);
1280
1281         pci_read_config_byte(pci, PCI_REVISION_ID, &rev);
1282         if (rev >= 0xb1)        /* FM801-AU */
1283                 chip->multichannel = 1;
1284
1285         /* codec cold reset + AC'97 warm reset */
1286         outw((1<<5)|(1<<6), FM801_REG(chip, CODEC_CTRL));
1287         inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1288         udelay(100);
1289         outw(0, FM801_REG(chip, CODEC_CTRL));
1290
1291         timeout = (jiffies + (3 * HZ) / 4) + 1;         /* min 750ms */
1292
1293         outw((1<<7) | (0 << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
1294         udelay(5);
1295         do {
1296                 if ((inw(FM801_REG(chip, AC97_CMD)) & (3<<8)) == (1<<8))
1297                         goto __ac97_secondary;
1298                 schedule_timeout_uninterruptible(1);
1299         } while (time_after(timeout, jiffies));
1300         snd_printk(KERN_ERR "Primary AC'97 codec not found\n");
1301         snd_fm801_free(chip);
1302         return -EIO;
1303
1304       __ac97_secondary:
1305         if (!chip->multichannel)        /* lookup is not required */
1306                 goto __ac97_ok;
1307         for (id = 3; id > 0; id--) {    /* my card has the secondary codec */
1308                                         /* at address #3, so the loop is inverted */
1309
1310                 timeout = jiffies + HZ / 20;
1311
1312                 outw((1<<7) | (id << FM801_AC97_ADDR_SHIFT) | AC97_VENDOR_ID1, FM801_REG(chip, AC97_CMD));
1313                 udelay(5);
1314                 do {
1315                         if ((inw(FM801_REG(chip, AC97_CMD)) & (3<<8)) == (1<<8)) {
1316                                 cmdw = inw(FM801_REG(chip, AC97_DATA));
1317                                 if (cmdw != 0xffff && cmdw != 0) {
1318                                         chip->secondary = 1;
1319                                         chip->secondary_addr = id;
1320                                         goto __ac97_ok;
1321                                 }
1322                         }
1323                         schedule_timeout_uninterruptible(1);
1324                 } while (time_after(timeout, jiffies));
1325         }
1326
1327         /* the recovery phase, it seems that probing for non-existing codec might */
1328         /* cause timeout problems */
1329         timeout = (jiffies + (3 * HZ) / 4) + 1;         /* min 750ms */
1330
1331         outw((1<<7) | (0 << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
1332         udelay(5);
1333         do {
1334                 if ((inw(FM801_REG(chip, AC97_CMD)) & (3<<8)) == (1<<8))
1335                         goto __ac97_ok;
1336                 schedule_timeout_uninterruptible(1);
1337         } while (time_after(timeout, jiffies));
1338         snd_printk(KERN_ERR "Primary AC'97 codec not responding\n");
1339         snd_fm801_free(chip);
1340         return -EIO;
1341
1342       __ac97_ok:
1343
1344         /* init volume */
1345         outw(0x0808, FM801_REG(chip, PCM_VOL));
1346         outw(0x9f1f, FM801_REG(chip, FM_VOL));
1347         outw(0x8808, FM801_REG(chip, I2S_VOL));
1348
1349         /* I2S control - I2S mode */
1350         outw(0x0003, FM801_REG(chip, I2S_MODE));
1351
1352         /* interrupt setup - unmask MPU, PLAYBACK & CAPTURE */
1353         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1354         cmdw &= ~0x0083;
1355         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1356
1357         /* interrupt clear */
1358         outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1359
1360         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1361                 snd_fm801_free(chip);
1362                 return err;
1363         }
1364
1365         snd_card_set_dev(card, &pci->dev);
1366
1367 #ifdef TEA575X_RADIO
1368         if (tea575x_tuner > 0 && (tea575x_tuner & 0xffff) < 4) {
1369                 chip->tea.dev_nr = tea575x_tuner >> 16;
1370                 chip->tea.card = card;
1371                 chip->tea.freq_fixup = 10700;
1372                 chip->tea.private_data = chip;
1373                 chip->tea.ops = &snd_fm801_tea_ops[(tea575x_tuner & 0xffff) - 1];
1374                 snd_tea575x_init(&chip->tea);
1375         }
1376 #endif
1377
1378         *rchip = chip;
1379         return 0;
1380 }
1381
1382 static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1383                                           const struct pci_device_id *pci_id)
1384 {
1385         static int dev;
1386         snd_card_t *card;
1387         fm801_t *chip;
1388         opl3_t *opl3;
1389         int err;
1390
1391         if (dev >= SNDRV_CARDS)
1392                 return -ENODEV;
1393         if (!enable[dev]) {
1394                 dev++;
1395                 return -ENOENT;
1396         }
1397
1398         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
1399         if (card == NULL)
1400                 return -ENOMEM;
1401         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], &chip)) < 0) {
1402                 snd_card_free(card);
1403                 return err;
1404         }
1405
1406         strcpy(card->driver, "FM801");
1407         strcpy(card->shortname, "ForteMedia FM801-");
1408         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1409         sprintf(card->longname, "%s at 0x%lx, irq %i",
1410                 card->shortname, chip->port, chip->irq);
1411
1412         if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1413                 snd_card_free(card);
1414                 return err;
1415         }
1416         if ((err = snd_fm801_mixer(chip)) < 0) {
1417                 snd_card_free(card);
1418                 return err;
1419         }
1420         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1421                                        FM801_REG(chip, MPU401_DATA), 1,
1422                                        chip->irq, 0, &chip->rmidi)) < 0) {
1423                 snd_card_free(card);
1424                 return err;
1425         }
1426         if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1427                                    FM801_REG(chip, OPL3_BANK1),
1428                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1429                 snd_card_free(card);
1430                 return err;
1431         }
1432         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1433                 snd_card_free(card);
1434                 return err;
1435         }
1436
1437         if ((err = snd_card_register(card)) < 0) {
1438                 snd_card_free(card);
1439                 return err;
1440         }
1441         pci_set_drvdata(pci, card);
1442         dev++;
1443         return 0;
1444 }
1445
1446 static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1447 {
1448         snd_card_free(pci_get_drvdata(pci));
1449         pci_set_drvdata(pci, NULL);
1450 }
1451
1452 static struct pci_driver driver = {
1453         .name = "FM801",
1454         .id_table = snd_fm801_ids,
1455         .probe = snd_card_fm801_probe,
1456         .remove = __devexit_p(snd_card_fm801_remove),
1457 };
1458
1459 static int __init alsa_card_fm801_init(void)
1460 {
1461         return pci_register_driver(&driver);
1462 }
1463
1464 static void __exit alsa_card_fm801_exit(void)
1465 {
1466         pci_unregister_driver(&driver);
1467 }
1468
1469 module_init(alsa_card_fm801_init)
1470 module_exit(alsa_card_fm801_exit)