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 void snd_fm801_pcm_free(snd_pcm_t *pcm)
 669 {
 670         fm801_t *chip = pcm->private_data;
 671         chip->pcm = NULL;
 672         snd_pcm_lib_preallocate_free_for_all(pcm);
 673 }
 674
 675 static int __devinit snd_fm801_pcm(fm801_t *chip, int device, snd_pcm_t ** rpcm)
 676 {
 677         snd_pcm_t *pcm;
 678         int err;
 679
 680         if (rpcm)
 681                 *rpcm = NULL;
 682         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 683                 return err;
 684
 685         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 686         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 687
 688         pcm->private_data = chip;
 689         pcm->private_free = snd_fm801_pcm_free;
 690         pcm->info_flags = 0;
 691         strcpy(pcm->name, "FM801");
 692         chip->pcm = pcm;
 693
 694         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 695                                               snd_dma_pci_data(chip->pci),
 696                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 697
 698         if (rpcm)
 699                 *rpcm = pcm;
 700         return 0;
 701 }
 702
 703 /*
 704  *  TEA5757 radio
 705  */
 706
 707 #ifdef TEA575X_RADIO
 708
 709 /* 256PCS GPIO numbers */
 710 #define TEA_256PCS_DATA                 1
 711 #define TEA_256PCS_WRITE_ENABLE         2       /* inverted */
 712 #define TEA_256PCS_BUS_CLOCK            3
 713
 714 static void snd_fm801_tea575x_256pcs_write(tea575x_t *tea, unsigned int val)
 715 {
 716         fm801_t *chip = tea->private_data;
 717         unsigned short reg;
 718         int i = 25;
 719
 720         spin_lock_irq(&chip->reg_lock);
 721         reg = inw(FM801_REG(chip, GPIO_CTRL));
 722         /* use GPIO lines and set write enable bit */
 723         reg |= FM801_GPIO_GS(TEA_256PCS_DATA) |
 724                FM801_GPIO_GS(TEA_256PCS_WRITE_ENABLE) |
 725                FM801_GPIO_GS(TEA_256PCS_BUS_CLOCK);
 726         /* all of lines are in the write direction */
 727         /* clear data and clock lines */
 728         reg &= ~(FM801_GPIO_GD(TEA_256PCS_DATA) |
 729                  FM801_GPIO_GD(TEA_256PCS_WRITE_ENABLE) |
 730                  FM801_GPIO_GD(TEA_256PCS_BUS_CLOCK) |
 731                  FM801_GPIO_GP(TEA_256PCS_DATA) |
 732                  FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK) |
 733                  FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE));
 734         outw(reg, FM801_REG(chip, GPIO_CTRL));
 735         udelay(1);
 736
 737         while (i--) {
 738                 if (val & (1 << i))
 739                         reg |= FM801_GPIO_GP(TEA_256PCS_DATA);
 740                 else
 741                         reg &= ~FM801_GPIO_GP(TEA_256PCS_DATA);
 742                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 743                 udelay(1);
 744                 reg |= FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 745                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 746                 reg &= ~FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 747                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 748                 udelay(1);
 749         }
 750
 751         /* and reset the write enable bit */
 752         reg |= FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE) |
 753                FM801_GPIO_GP(TEA_256PCS_DATA);
 754         outw(reg, FM801_REG(chip, GPIO_CTRL));
 755         spin_unlock_irq(&chip->reg_lock);
 756 }
 757
 758 static unsigned int snd_fm801_tea575x_256pcs_read(tea575x_t *tea)
 759 {
 760         fm801_t *chip = tea->private_data;
 761         unsigned short reg;
 762         unsigned int val = 0;
 763         int i;
 764
 765         spin_lock_irq(&chip->reg_lock);
 766         reg = inw(FM801_REG(chip, GPIO_CTRL));
 767         /* use GPIO lines, set data direction to input */
 768         reg |= FM801_GPIO_GS(TEA_256PCS_DATA) |
 769                FM801_GPIO_GS(TEA_256PCS_WRITE_ENABLE) |
 770                FM801_GPIO_GS(TEA_256PCS_BUS_CLOCK) |
 771                FM801_GPIO_GD(TEA_256PCS_DATA) |
 772                FM801_GPIO_GP(TEA_256PCS_DATA) |
 773                FM801_GPIO_GP(TEA_256PCS_WRITE_ENABLE);
 774         /* all of lines are in the write direction, except data */
 775         /* clear data, write enable and clock lines */
 776         reg &= ~(FM801_GPIO_GD(TEA_256PCS_WRITE_ENABLE) |
 777                  FM801_GPIO_GD(TEA_256PCS_BUS_CLOCK) |
 778                  FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK));
 779
 780         for (i = 0; i < 24; i++) {
 781                 reg &= ~FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 782                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 783                 udelay(1);
 784                 reg |= FM801_GPIO_GP(TEA_256PCS_BUS_CLOCK);
 785                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 786                 udelay(1);
 787                 val <<= 1;
 788                 if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_256PCS_DATA))
 789                         val |= 1;
 790         }
 791
 792         spin_unlock_irq(&chip->reg_lock);
 793
 794         return val;
 795 }
 796
 797 /* 256PCPR GPIO numbers */
 798 #define TEA_256PCPR_BUS_CLOCK           0
 799 #define TEA_256PCPR_DATA                1
 800 #define TEA_256PCPR_WRITE_ENABLE        2       /* inverted */
 801
 802 static void snd_fm801_tea575x_256pcpr_write(tea575x_t *tea, unsigned int val)
 803 {
 804         fm801_t *chip = tea->private_data;
 805         unsigned short reg;
 806         int i = 25;
 807
 808         spin_lock_irq(&chip->reg_lock);
 809         reg = inw(FM801_REG(chip, GPIO_CTRL));
 810         /* use GPIO lines and set write enable bit */
 811         reg |= FM801_GPIO_GS(TEA_256PCPR_DATA) |
 812                FM801_GPIO_GS(TEA_256PCPR_WRITE_ENABLE) |
 813                FM801_GPIO_GS(TEA_256PCPR_BUS_CLOCK);
 814         /* all of lines are in the write direction */
 815         /* clear data and clock lines */
 816         reg &= ~(FM801_GPIO_GD(TEA_256PCPR_DATA) |
 817                  FM801_GPIO_GD(TEA_256PCPR_WRITE_ENABLE) |
 818                  FM801_GPIO_GD(TEA_256PCPR_BUS_CLOCK) |
 819                  FM801_GPIO_GP(TEA_256PCPR_DATA) |
 820                  FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK) |
 821                  FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE));
 822         outw(reg, FM801_REG(chip, GPIO_CTRL));
 823         udelay(1);
 824
 825         while (i--) {
 826                 if (val & (1 << i))
 827                         reg |= FM801_GPIO_GP(TEA_256PCPR_DATA);
 828                 else
 829                         reg &= ~FM801_GPIO_GP(TEA_256PCPR_DATA);
 830                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 831                 udelay(1);
 832                 reg |= FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 833                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 834                 reg &= ~FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 835                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 836                 udelay(1);
 837         }
 838
 839         /* and reset the write enable bit */
 840         reg |= FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE) |
 841                FM801_GPIO_GP(TEA_256PCPR_DATA);
 842         outw(reg, FM801_REG(chip, GPIO_CTRL));
 843         spin_unlock_irq(&chip->reg_lock);
 844 }
 845
 846 static unsigned int snd_fm801_tea575x_256pcpr_read(tea575x_t *tea)
 847 {
 848         fm801_t *chip = tea->private_data;
 849         unsigned short reg;
 850         unsigned int val = 0;
 851         int i;
 852
 853         spin_lock_irq(&chip->reg_lock);
 854         reg = inw(FM801_REG(chip, GPIO_CTRL));
 855         /* use GPIO lines, set data direction to input */
 856         reg |= FM801_GPIO_GS(TEA_256PCPR_DATA) |
 857                FM801_GPIO_GS(TEA_256PCPR_WRITE_ENABLE) |
 858                FM801_GPIO_GS(TEA_256PCPR_BUS_CLOCK) |
 859                FM801_GPIO_GD(TEA_256PCPR_DATA) |
 860                FM801_GPIO_GP(TEA_256PCPR_DATA) |
 861                FM801_GPIO_GP(TEA_256PCPR_WRITE_ENABLE);
 862         /* all of lines are in the write direction, except data */
 863         /* clear data, write enable and clock lines */
 864         reg &= ~(FM801_GPIO_GD(TEA_256PCPR_WRITE_ENABLE) |
 865                  FM801_GPIO_GD(TEA_256PCPR_BUS_CLOCK) |
 866                  FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK));
 867
 868         for (i = 0; i < 24; i++) {
 869                 reg &= ~FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 870                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 871                 udelay(1);
 872                 reg |= FM801_GPIO_GP(TEA_256PCPR_BUS_CLOCK);
 873                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 874                 udelay(1);
 875                 val <<= 1;
 876                 if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_256PCPR_DATA))
 877                         val |= 1;
 878         }
 879
 880         spin_unlock_irq(&chip->reg_lock);
 881
 882         return val;
 883 }
 884
 885 /* 64PCR GPIO numbers */
 886 #define TEA_64PCR_BUS_CLOCK             0
 887 #define TEA_64PCR_WRITE_ENABLE          1       /* inverted */
 888 #define TEA_64PCR_DATA                  2
 889
 890 static void snd_fm801_tea575x_64pcr_write(tea575x_t *tea, unsigned int val)
 891 {
 892         fm801_t *chip = tea->private_data;
 893         unsigned short reg;
 894         int i = 25;
 895
 896         spin_lock_irq(&chip->reg_lock);
 897         reg = inw(FM801_REG(chip, GPIO_CTRL));
 898         /* use GPIO lines and set write enable bit */
 899         reg |= FM801_GPIO_GS(TEA_64PCR_DATA) |
 900                FM801_GPIO_GS(TEA_64PCR_WRITE_ENABLE) |
 901                FM801_GPIO_GS(TEA_64PCR_BUS_CLOCK);
 902         /* all of lines are in the write direction */
 903         /* clear data and clock lines */
 904         reg &= ~(FM801_GPIO_GD(TEA_64PCR_DATA) |
 905                  FM801_GPIO_GD(TEA_64PCR_WRITE_ENABLE) |
 906                  FM801_GPIO_GD(TEA_64PCR_BUS_CLOCK) |
 907                  FM801_GPIO_GP(TEA_64PCR_DATA) |
 908                  FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK) |
 909                  FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE));
 910         outw(reg, FM801_REG(chip, GPIO_CTRL));
 911         udelay(1);
 912
 913         while (i--) {
 914                 if (val & (1 << i))
 915                         reg |= FM801_GPIO_GP(TEA_64PCR_DATA);
 916                 else
 917                         reg &= ~FM801_GPIO_GP(TEA_64PCR_DATA);
 918                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 919                 udelay(1);
 920                 reg |= FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 921                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 922                 reg &= ~FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 923                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 924                 udelay(1);
 925         }
 926
 927         /* and reset the write enable bit */
 928         reg |= FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE) |
 929                FM801_GPIO_GP(TEA_64PCR_DATA);
 930         outw(reg, FM801_REG(chip, GPIO_CTRL));
 931         spin_unlock_irq(&chip->reg_lock);
 932 }
 933
 934 static unsigned int snd_fm801_tea575x_64pcr_read(tea575x_t *tea)
 935 {
 936         fm801_t *chip = tea->private_data;
 937         unsigned short reg;
 938         unsigned int val = 0;
 939         int i;
 940
 941         spin_lock_irq(&chip->reg_lock);
 942         reg = inw(FM801_REG(chip, GPIO_CTRL));
 943         /* use GPIO lines, set data direction to input */
 944         reg |= FM801_GPIO_GS(TEA_64PCR_DATA) |
 945                FM801_GPIO_GS(TEA_64PCR_WRITE_ENABLE) |
 946                FM801_GPIO_GS(TEA_64PCR_BUS_CLOCK) |
 947                FM801_GPIO_GD(TEA_64PCR_DATA) |
 948                FM801_GPIO_GP(TEA_64PCR_DATA) |
 949                FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
 950         /* all of lines are in the write direction, except data */
 951         /* clear data, write enable and clock lines */
 952         reg &= ~(FM801_GPIO_GD(TEA_64PCR_WRITE_ENABLE) |
 953                  FM801_GPIO_GD(TEA_64PCR_BUS_CLOCK) |
 954                  FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK));
 955
 956         for (i = 0; i < 24; i++) {
 957                 reg &= ~FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 958                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 959                 udelay(1);
 960                 reg |= FM801_GPIO_GP(TEA_64PCR_BUS_CLOCK);
 961                 outw(reg, FM801_REG(chip, GPIO_CTRL));
 962                 udelay(1);
 963                 val <<= 1;
 964                 if (inw(FM801_REG(chip, GPIO_CTRL)) & FM801_GPIO_GP(TEA_64PCR_DATA))
 965                         val |= 1;
 966         }
 967
 968         spin_unlock_irq(&chip->reg_lock);
 969
 970         return val;
 971 }
 972
 973 static struct snd_tea575x_ops snd_fm801_tea_ops[3] = {
 974         {
 975                 /* 1 = MediaForte 256-PCS */
 976                 .write = snd_fm801_tea575x_256pcs_write,
 977                 .read = snd_fm801_tea575x_256pcs_read,
 978         },
 979         {
 980                 /* 2 = MediaForte 256-PCPR */
 981                 .write = snd_fm801_tea575x_256pcpr_write,
 982                 .read = snd_fm801_tea575x_256pcpr_read,
 983         },
 984         {
 985                 /* 3 = MediaForte 64-PCR */
 986                 .write = snd_fm801_tea575x_64pcr_write,
 987                 .read = snd_fm801_tea575x_64pcr_read,
 988         }
 989 };
 990 #endif
 991
 992 /*
 993  *  Mixer routines
 994  */
 995
 996 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
 997 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 998   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 999   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1000
1001 static int snd_fm801_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1002 {
1003         int mask = (kcontrol->private_value >> 16) & 0xff;
1004
1005         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1006         uinfo->count = 1;
1007         uinfo->value.integer.min = 0;
1008         uinfo->value.integer.max = mask;
1009         return 0;
1010 }
1011
1012 static int snd_fm801_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1013 {
1014         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1015         int reg = kcontrol->private_value & 0xff;
1016         int shift = (kcontrol->private_value >> 8) & 0xff;
1017         int mask = (kcontrol->private_value >> 16) & 0xff;
1018         int invert = (kcontrol->private_value >> 24) & 0xff;
1019
1020         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
1021         if (invert)
1022                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1023         return 0;
1024 }
1025
1026 static int snd_fm801_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1027 {
1028         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1029         int reg = kcontrol->private_value & 0xff;
1030         int shift = (kcontrol->private_value >> 8) & 0xff;
1031         int mask = (kcontrol->private_value >> 16) & 0xff;
1032         int invert = (kcontrol->private_value >> 24) & 0xff;
1033         unsigned short val;
1034
1035         val = (ucontrol->value.integer.value[0] & mask);
1036         if (invert)
1037                 val = mask - val;
1038         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
1039 }
1040
1041 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
1042 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
1043   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
1044   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
1045
1046 static int snd_fm801_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1047 {
1048         int mask = (kcontrol->private_value >> 16) & 0xff;
1049
1050         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1051         uinfo->count = 2;
1052         uinfo->value.integer.min = 0;
1053         uinfo->value.integer.max = mask;
1054         return 0;
1055 }
1056
1057 static int snd_fm801_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1058 {
1059         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1060         int reg = kcontrol->private_value & 0xff;
1061         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
1062         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
1063         int mask = (kcontrol->private_value >> 16) & 0xff;
1064         int invert = (kcontrol->private_value >> 24) & 0xff;
1065
1066         spin_lock_irq(&chip->reg_lock);
1067         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
1068         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
1069         spin_unlock_irq(&chip->reg_lock);
1070         if (invert) {
1071                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1072                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1073         }
1074         return 0;
1075 }
1076
1077 static int snd_fm801_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1078 {
1079         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1080         int reg = kcontrol->private_value & 0xff;
1081         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
1082         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
1083         int mask = (kcontrol->private_value >> 16) & 0xff;
1084         int invert = (kcontrol->private_value >> 24) & 0xff;
1085         unsigned short val1, val2;
1086
1087         val1 = ucontrol->value.integer.value[0] & mask;
1088         val2 = ucontrol->value.integer.value[1] & mask;
1089         if (invert) {
1090                 val1 = mask - val1;
1091                 val2 = mask - val2;
1092         }
1093         return snd_fm801_update_bits(chip, reg,
1094                                      (mask << shift_left) | (mask << shift_right),
1095                                      (val1 << shift_left ) | (val2 << shift_right));
1096 }
1097
1098 static int snd_fm801_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1099 {
1100         static char *texts[5] = {
1101                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
1102         };
1103
1104         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1105         uinfo->count = 1;
1106         uinfo->value.enumerated.items = 5;
1107         if (uinfo->value.enumerated.item > 4)
1108                 uinfo->value.enumerated.item = 4;
1109         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1110         return 0;
1111 }
1112
1113 static int snd_fm801_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1114 {
1115         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1116         unsigned short val;
1117
1118         val = inw(FM801_REG(chip, REC_SRC)) & 7;
1119         if (val > 4)
1120                 val = 4;
1121         ucontrol->value.enumerated.item[0] = val;
1122         return 0;
1123 }
1124
1125 static int snd_fm801_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1126 {
1127         fm801_t *chip = snd_kcontrol_chip(kcontrol);
1128         unsigned short val;
1129
1130         if ((val = ucontrol->value.enumerated.item[0]) > 4)
1131                 return -EINVAL;
1132         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
1133 }
1134
1135 #define FM801_CONTROLS (sizeof(snd_fm801_controls)/sizeof(snd_kcontrol_new_t))
1136
1137 static snd_kcontrol_new_t snd_fm801_controls[] __devinitdata = {
1138 FM801_DOUBLE("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1),
1139 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1140 FM801_DOUBLE("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1),
1141 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1142 FM801_DOUBLE("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1),
1143 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1144 {
1145         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1146         .name = "Digital Capture Source",
1147         .info = snd_fm801_info_mux,
1148         .get = snd_fm801_get_mux,
1149         .put = snd_fm801_put_mux,
1150 }
1151 };
1152
1153 #define FM801_CONTROLS_MULTI (sizeof(snd_fm801_controls_multi)/sizeof(snd_kcontrol_new_t))
1154
1155 static snd_kcontrol_new_t snd_fm801_controls_multi[] __devinitdata = {
1156 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1157 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1158 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1159 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1160 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1161 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1162 };
1163
1164 static void snd_fm801_mixer_free_ac97_bus(ac97_bus_t *bus)
1165 {
1166         fm801_t *chip = bus->private_data;
1167         chip->ac97_bus = NULL;
1168 }
1169
1170 static void snd_fm801_mixer_free_ac97(ac97_t *ac97)
1171 {
1172         fm801_t *chip = ac97->private_data;
1173         if (ac97->num == 0) {
1174                 chip->ac97 = NULL;
1175         } else {
1176                 chip->ac97_sec = NULL;
1177         }
1178 }
1179
1180 static int __devinit snd_fm801_mixer(fm801_t *chip)
1181 {
1182         ac97_template_t ac97;
1183         unsigned int i;
1184         int err;
1185         static ac97_bus_ops_t ops = {
1186                 .write = snd_fm801_codec_write,
1187                 .read = snd_fm801_codec_read,
1188         };
1189
1190         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1191                 return err;
1192         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1193
1194         memset(&ac97, 0, sizeof(ac97));
1195         ac97.private_data = chip;
1196         ac97.private_free = snd_fm801_mixer_free_ac97;
1197         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1198                 return err;
1199         if (chip->secondary) {
1200                 ac97.num = 1;
1201                 ac97.addr = chip->secondary_addr;
1202                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1203                         return err;
1204         }
1205         for (i = 0; i < FM801_CONTROLS; i++)
1206                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1207         if (chip->multichannel) {
1208                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1209                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1210         }
1211         return 0;
1212 }
1213
1214 /*
1215  *  initialization routines
1216  */
1217
1218 static int snd_fm801_free(fm801_t *chip)
1219 {
1220         unsigned short cmdw;
1221
1222         if (chip->irq < 0)
1223                 goto __end_hw;
1224
1225         /* interrupt setup - mask everything */
1226         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1227         cmdw |= 0x00c3;
1228         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1229
1230       __end_hw:
1231 #ifdef TEA575X_RADIO
1232         snd_tea575x_exit(&chip->tea);
1233 #endif
1234         if (chip->irq >= 0)
1235                 free_irq(chip->irq, (void *)chip);
1236         pci_release_regions(chip->pci);
1237         pci_disable_device(chip->pci);
1238
1239         kfree(chip);
1240         return 0;
1241 }
1242
1243 static int snd_fm801_dev_free(snd_device_t *device)
1244 {
1245         fm801_t *chip = device->device_data;
1246         return snd_fm801_free(chip);
1247 }
1248
1249 static int __devinit snd_fm801_create(snd_card_t * card,
1250                                       struct pci_dev * pci,
1251                                       int tea575x_tuner,
1252                                       fm801_t ** rchip)
1253 {
1254         fm801_t *chip;
1255         unsigned char rev, id;
1256         unsigned short cmdw;
1257         unsigned long timeout;
1258         int err;
1259         static snd_device_ops_t ops = {
1260                 .dev_free =     snd_fm801_dev_free,
1261         };
1262
1263         *rchip = NULL;
1264         if ((err = pci_enable_device(pci)) < 0)
1265                 return err;
1266         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1267         if (chip == NULL) {
1268                 pci_disable_device(pci);
1269                 return -ENOMEM;
1270         }
1271         spin_lock_init(&chip->reg_lock);
1272         chip->card = card;
1273         chip->pci = pci;
1274         chip->irq = -1;
1275         if ((err = pci_request_regions(pci, "FM801")) < 0) {
1276                 kfree(chip);
1277                 pci_disable_device(pci);
1278                 return err;
1279         }
1280         chip->port = pci_resource_start(pci, 0);
1281         if (request_irq(pci->irq, snd_fm801_interrupt, SA_INTERRUPT|SA_SHIRQ, "FM801", (void *)chip)) {
1282                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1283                 snd_fm801_free(chip);
1284                 return -EBUSY;
1285         }
1286         chip->irq = pci->irq;
1287         pci_set_master(pci);
1288
1289         pci_read_config_byte(pci, PCI_REVISION_ID, &rev);
1290         if (rev >= 0xb1)        /* FM801-AU */
1291                 chip->multichannel = 1;
1292
1293         /* codec cold reset + AC'97 warm reset */
1294         outw((1<<5)|(1<<6), FM801_REG(chip, CODEC_CTRL));
1295         inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1296         udelay(100);
1297         outw(0, FM801_REG(chip, CODEC_CTRL));
1298
1299         timeout = (jiffies + (3 * HZ) / 4) + 1;         /* min 750ms */
1300
1301         outw((1<<7) | (0 << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
1302         udelay(5);
1303         do {
1304                 if ((inw(FM801_REG(chip, AC97_CMD)) & (3<<8)) == (1<<8))
1305                         goto __ac97_secondary;
1306                 schedule_timeout_uninterruptible(1);
1307         } while (time_after(timeout, jiffies));
1308         snd_printk(KERN_ERR "Primary AC'97 codec not found\n");
1309         snd_fm801_free(chip);
1310         return -EIO;
1311
1312       __ac97_secondary:
1313         if (!chip->multichannel)        /* lookup is not required */
1314                 goto __ac97_ok;
1315         for (id = 3; id > 0; id--) {    /* my card has the secondary codec */
1316                                         /* at address #3, so the loop is inverted */
1317
1318                 timeout = jiffies + HZ / 20;
1319
1320                 outw((1<<7) | (id << FM801_AC97_ADDR_SHIFT) | AC97_VENDOR_ID1, FM801_REG(chip, AC97_CMD));
1321                 udelay(5);
1322                 do {
1323                         if ((inw(FM801_REG(chip, AC97_CMD)) & (3<<8)) == (1<<8)) {
1324                                 cmdw = inw(FM801_REG(chip, AC97_DATA));
1325                                 if (cmdw != 0xffff && cmdw != 0) {
1326                                         chip->secondary = 1;
1327                                         chip->secondary_addr = id;
1328                                         goto __ac97_ok;
1329                                 }
1330                         }
1331                         schedule_timeout_uninterruptible(1);
1332                 } while (time_after(timeout, jiffies));
1333         }
1334
1335         /* the recovery phase, it seems that probing for non-existing codec might */
1336         /* cause timeout problems */
1337         timeout = (jiffies + (3 * HZ) / 4) + 1;         /* min 750ms */
1338
1339         outw((1<<7) | (0 << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
1340         udelay(5);
1341         do {
1342                 if ((inw(FM801_REG(chip, AC97_CMD)) & (3<<8)) == (1<<8))
1343                         goto __ac97_ok;
1344                 schedule_timeout_uninterruptible(1);
1345         } while (time_after(timeout, jiffies));
1346         snd_printk(KERN_ERR "Primary AC'97 codec not responding\n");
1347         snd_fm801_free(chip);
1348         return -EIO;
1349
1350       __ac97_ok:
1351
1352         /* init volume */
1353         outw(0x0808, FM801_REG(chip, PCM_VOL));
1354         outw(0x9f1f, FM801_REG(chip, FM_VOL));
1355         outw(0x8808, FM801_REG(chip, I2S_VOL));
1356
1357         /* I2S control - I2S mode */
1358         outw(0x0003, FM801_REG(chip, I2S_MODE));
1359
1360         /* interrupt setup - unmask MPU, PLAYBACK & CAPTURE */
1361         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1362         cmdw &= ~0x0083;
1363         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1364
1365         /* interrupt clear */
1366         outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1367
1368         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1369                 snd_fm801_free(chip);
1370                 return err;
1371         }
1372
1373         snd_card_set_dev(card, &pci->dev);
1374
1375 #ifdef TEA575X_RADIO
1376         if (tea575x_tuner > 0 && (tea575x_tuner & 0xffff) < 4) {
1377                 chip->tea.dev_nr = tea575x_tuner >> 16;
1378                 chip->tea.card = card;
1379                 chip->tea.freq_fixup = 10700;
1380                 chip->tea.private_data = chip;
1381                 chip->tea.ops = &snd_fm801_tea_ops[(tea575x_tuner & 0xffff) - 1];
1382                 snd_tea575x_init(&chip->tea);
1383         }
1384 #endif
1385
1386         *rchip = chip;
1387         return 0;
1388 }
1389
1390 static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1391                                           const struct pci_device_id *pci_id)
1392 {
1393         static int dev;
1394         snd_card_t *card;
1395         fm801_t *chip;
1396         opl3_t *opl3;
1397         int err;
1398
1399         if (dev >= SNDRV_CARDS)
1400                 return -ENODEV;
1401         if (!enable[dev]) {
1402                 dev++;
1403                 return -ENOENT;
1404         }
1405
1406         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
1407         if (card == NULL)
1408                 return -ENOMEM;
1409         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], &chip)) < 0) {
1410                 snd_card_free(card);
1411                 return err;
1412         }
1413
1414         strcpy(card->driver, "FM801");
1415         strcpy(card->shortname, "ForteMedia FM801-");
1416         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1417         sprintf(card->longname, "%s at 0x%lx, irq %i",
1418                 card->shortname, chip->port, chip->irq);
1419
1420         if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1421                 snd_card_free(card);
1422                 return err;
1423         }
1424         if ((err = snd_fm801_mixer(chip)) < 0) {
1425                 snd_card_free(card);
1426                 return err;
1427         }
1428         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1429                                        FM801_REG(chip, MPU401_DATA), 1,
1430                                        chip->irq, 0, &chip->rmidi)) < 0) {
1431                 snd_card_free(card);
1432                 return err;
1433         }
1434         if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1435                                    FM801_REG(chip, OPL3_BANK1),
1436                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1437                 snd_card_free(card);
1438                 return err;
1439         }
1440         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1441                 snd_card_free(card);
1442                 return err;
1443         }
1444
1445         if ((err = snd_card_register(card)) < 0) {
1446                 snd_card_free(card);
1447                 return err;
1448         }
1449         pci_set_drvdata(pci, card);
1450         dev++;
1451         return 0;
1452 }
1453
1454 static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1455 {
1456         snd_card_free(pci_get_drvdata(pci));
1457         pci_set_drvdata(pci, NULL);
1458 }
1459
1460 static struct pci_driver driver = {
1461         .name = "FM801",
1462         .owner = THIS_MODULE,
1463         .id_table = snd_fm801_ids,
1464         .probe = snd_card_fm801_probe,
1465         .remove = __devexit_p(snd_card_fm801_remove),
1466 };
1467
1468 static int __init alsa_card_fm801_init(void)
1469 {
1470         return pci_register_driver(&driver);
1471 }
1472
1473 static void __exit alsa_card_fm801_exit(void)
1474 {
1475         pci_unregister_driver(&driver);
1476 }
1477
1478 module_init(alsa_card_fm801_init)
1479 module_exit(alsa_card_fm801_exit)