linux/sound/pci/fm801.c
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   1/*
   2 *  The driver for the ForteMedia FM801 based soundcards
   3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4 *
   5 *  Support FM only card by Andy Shevchenko <andy@smile.org.ua>
   6 *
   7 *   This program is free software; you can redistribute it and/or modify
   8 *   it under the terms of the GNU General Public License as published by
   9 *   the Free Software Foundation; either version 2 of the License, or
  10 *   (at your option) any later version.
  11 *
  12 *   This program is distributed in the hope that it will be useful,
  13 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 *   GNU General Public License for more details.
  16 *
  17 *   You should have received a copy of the GNU General Public License
  18 *   along with this program; if not, write to the Free Software
  19 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20 *
  21 */
  22
  23#include <linux/delay.h>
  24#include <linux/init.h>
  25#include <linux/interrupt.h>
  26#include <linux/pci.h>
  27#include <linux/slab.h>
  28#include <linux/module.h>
  29#include <sound/core.h>
  30#include <sound/pcm.h>
  31#include <sound/tlv.h>
  32#include <sound/ac97_codec.h>
  33#include <sound/mpu401.h>
  34#include <sound/opl3.h>
  35#include <sound/initval.h>
  36
  37#include <asm/io.h>
  38
  39#ifdef CONFIG_SND_FM801_TEA575X_BOOL
  40#include <sound/tea575x-tuner.h>
  41#endif
  42
  43MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  44MODULE_DESCRIPTION("ForteMedia FM801");
  45MODULE_LICENSE("GPL");
  46MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  47                "{Genius,SoundMaker Live 5.1}}");
  48
  49static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  50static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  51static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  52/*
  53 *  Enable TEA575x tuner
  54 *    1 = MediaForte 256-PCS
  55 *    2 = MediaForte 256-PCP
  56 *    3 = MediaForte 64-PCR
  57 *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  58 *  High 16-bits are video (radio) device number + 1
  59 */
  60static int tea575x_tuner[SNDRV_CARDS];
  61static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  62
  63module_param_array(index, int, NULL, 0444);
  64MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  65module_param_array(id, charp, NULL, 0444);
  66MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  67module_param_array(enable, bool, NULL, 0444);
  68MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  69module_param_array(tea575x_tuner, int, NULL, 0444);
  70MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
  71module_param_array(radio_nr, int, NULL, 0444);
  72MODULE_PARM_DESC(radio_nr, "Radio device numbers");
  73
  74
  75#define TUNER_DISABLED          (1<<3)
  76#define TUNER_ONLY              (1<<4)
  77#define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
  78
  79/*
  80 *  Direct registers
  81 */
  82
  83#define FM801_REG(chip, reg)    (chip->port + FM801_##reg)
  84
  85#define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  86#define FM801_FM_VOL            0x02    /* FM Output Volume */
  87#define FM801_I2S_VOL           0x04    /* I2S Volume */
  88#define FM801_REC_SRC           0x06    /* Record Source */
  89#define FM801_PLY_CTRL          0x08    /* Playback Control */
  90#define FM801_PLY_COUNT         0x0a    /* Playback Count */
  91#define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  92#define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  93#define FM801_CAP_CTRL          0x14    /* Capture Control */
  94#define FM801_CAP_COUNT         0x16    /* Capture Count */
  95#define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  96#define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  97#define FM801_CODEC_CTRL        0x22    /* Codec Control */
  98#define FM801_I2S_MODE          0x24    /* I2S Mode Control */
  99#define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
 100#define FM801_I2C_CTRL          0x29    /* I2C Control */
 101#define FM801_AC97_CMD          0x2a    /* AC'97 Command */
 102#define FM801_AC97_DATA         0x2c    /* AC'97 Data */
 103#define FM801_MPU401_DATA       0x30    /* MPU401 Data */
 104#define FM801_MPU401_CMD        0x31    /* MPU401 Command */
 105#define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
 106#define FM801_GEN_CTRL          0x54    /* General Control */
 107#define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
 108#define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
 109#define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
 110#define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
 111#define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
 112#define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
 113#define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
 114
 115/* codec access */
 116#define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
 117#define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
 118#define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
 119#define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
 120
 121/* playback and record control register bits */
 122#define FM801_BUF1_LAST         (1<<1)
 123#define FM801_BUF2_LAST         (1<<2)
 124#define FM801_START             (1<<5)
 125#define FM801_PAUSE             (1<<6)
 126#define FM801_IMMED_STOP        (1<<7)
 127#define FM801_RATE_SHIFT        8
 128#define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 129#define FM801_CHANNELS_4        (1<<12) /* playback only */
 130#define FM801_CHANNELS_6        (2<<12) /* playback only */
 131#define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 132#define FM801_CHANNELS_MASK     (3<<12)
 133#define FM801_16BIT             (1<<14)
 134#define FM801_STEREO            (1<<15)
 135
 136/* IRQ status bits */
 137#define FM801_IRQ_PLAYBACK      (1<<8)
 138#define FM801_IRQ_CAPTURE       (1<<9)
 139#define FM801_IRQ_VOLUME        (1<<14)
 140#define FM801_IRQ_MPU           (1<<15)
 141
 142/* GPIO control register */
 143#define FM801_GPIO_GP0          (1<<0)  /* read/write */
 144#define FM801_GPIO_GP1          (1<<1)
 145#define FM801_GPIO_GP2          (1<<2)
 146#define FM801_GPIO_GP3          (1<<3)
 147#define FM801_GPIO_GP(x)        (1<<(0+(x)))
 148#define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 149#define FM801_GPIO_GD1          (1<<9)
 150#define FM801_GPIO_GD2          (1<<10)
 151#define FM801_GPIO_GD3          (1<<11)
 152#define FM801_GPIO_GD(x)        (1<<(8+(x)))
 153#define FM801_GPIO_GS0          (1<<12) /* function select: */
 154#define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 155#define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 156#define FM801_GPIO_GS3          (1<<15)
 157#define FM801_GPIO_GS(x)        (1<<(12+(x)))
 158        
 159/*
 160
 161 */
 162
 163struct fm801 {
 164        int irq;
 165
 166        unsigned long port;     /* I/O port number */
 167        unsigned int multichannel: 1,   /* multichannel support */
 168                     secondary: 1;      /* secondary codec */
 169        unsigned char secondary_addr;   /* address of the secondary codec */
 170        unsigned int tea575x_tuner;     /* tuner access method & flags */
 171
 172        unsigned short ply_ctrl; /* playback control */
 173        unsigned short cap_ctrl; /* capture control */
 174
 175        unsigned long ply_buffer;
 176        unsigned int ply_buf;
 177        unsigned int ply_count;
 178        unsigned int ply_size;
 179        unsigned int ply_pos;
 180
 181        unsigned long cap_buffer;
 182        unsigned int cap_buf;
 183        unsigned int cap_count;
 184        unsigned int cap_size;
 185        unsigned int cap_pos;
 186
 187        struct snd_ac97_bus *ac97_bus;
 188        struct snd_ac97 *ac97;
 189        struct snd_ac97 *ac97_sec;
 190
 191        struct pci_dev *pci;
 192        struct snd_card *card;
 193        struct snd_pcm *pcm;
 194        struct snd_rawmidi *rmidi;
 195        struct snd_pcm_substream *playback_substream;
 196        struct snd_pcm_substream *capture_substream;
 197        unsigned int p_dma_size;
 198        unsigned int c_dma_size;
 199
 200        spinlock_t reg_lock;
 201        struct snd_info_entry *proc_entry;
 202
 203#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 204        struct v4l2_device v4l2_dev;
 205        struct snd_tea575x tea;
 206#endif
 207
 208#ifdef CONFIG_PM
 209        u16 saved_regs[0x20];
 210#endif
 211};
 212
 213static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
 214        { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 215        { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 216        { 0, }
 217};
 218
 219MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 220
 221/*
 222 *  common I/O routines
 223 */
 224
 225static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 226                                 unsigned short mask, unsigned short value)
 227{
 228        int change;
 229        unsigned long flags;
 230        unsigned short old, new;
 231
 232        spin_lock_irqsave(&chip->reg_lock, flags);
 233        old = inw(chip->port + reg);
 234        new = (old & ~mask) | value;
 235        change = old != new;
 236        if (change)
 237                outw(new, chip->port + reg);
 238        spin_unlock_irqrestore(&chip->reg_lock, flags);
 239        return change;
 240}
 241
 242static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 243                                  unsigned short reg,
 244                                  unsigned short val)
 245{
 246        struct fm801 *chip = ac97->private_data;
 247        int idx;
 248
 249        /*
 250         *  Wait until the codec interface is not ready..
 251         */
 252        for (idx = 0; idx < 100; idx++) {
 253                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 254                        goto ok1;
 255                udelay(10);
 256        }
 257        snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 258        return;
 259
 260 ok1:
 261        /* write data and address */
 262        outw(val, FM801_REG(chip, AC97_DATA));
 263        outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
 264        /*
 265         *  Wait until the write command is not completed..
 266         */
 267        for (idx = 0; idx < 1000; idx++) {
 268                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 269                        return;
 270                udelay(10);
 271        }
 272        snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 273}
 274
 275static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 276{
 277        struct fm801 *chip = ac97->private_data;
 278        int idx;
 279
 280        /*
 281         *  Wait until the codec interface is not ready..
 282         */
 283        for (idx = 0; idx < 100; idx++) {
 284                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 285                        goto ok1;
 286                udelay(10);
 287        }
 288        snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 289        return 0;
 290
 291 ok1:
 292        /* read command */
 293        outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
 294             FM801_REG(chip, AC97_CMD));
 295        for (idx = 0; idx < 100; idx++) {
 296                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 297                        goto ok2;
 298                udelay(10);
 299        }
 300        snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 301        return 0;
 302
 303 ok2:
 304        for (idx = 0; idx < 1000; idx++) {
 305                if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
 306                        goto ok3;
 307                udelay(10);
 308        }
 309        snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num);
 310        return 0;
 311
 312 ok3:
 313        return inw(FM801_REG(chip, AC97_DATA));
 314}
 315
 316static unsigned int rates[] = {
 317  5500,  8000,  9600, 11025,
 318  16000, 19200, 22050, 32000,
 319  38400, 44100, 48000
 320};
 321
 322static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 323        .count = ARRAY_SIZE(rates),
 324        .list = rates,
 325        .mask = 0,
 326};
 327
 328static unsigned int channels[] = {
 329  2, 4, 6
 330};
 331
 332static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 333        .count = ARRAY_SIZE(channels),
 334        .list = channels,
 335        .mask = 0,
 336};
 337
 338/*
 339 *  Sample rate routines
 340 */
 341
 342static unsigned short snd_fm801_rate_bits(unsigned int rate)
 343{
 344        unsigned int idx;
 345
 346        for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 347                if (rates[idx] == rate)
 348                        return idx;
 349        snd_BUG();
 350        return ARRAY_SIZE(rates) - 1;
 351}
 352
 353/*
 354 *  PCM part
 355 */
 356
 357static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 358                                      int cmd)
 359{
 360        struct fm801 *chip = snd_pcm_substream_chip(substream);
 361
 362        spin_lock(&chip->reg_lock);
 363        switch (cmd) {
 364        case SNDRV_PCM_TRIGGER_START:
 365                chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 366                                     FM801_BUF2_LAST |
 367                                     FM801_PAUSE);
 368                chip->ply_ctrl |= FM801_START |
 369                                   FM801_IMMED_STOP;
 370                break;
 371        case SNDRV_PCM_TRIGGER_STOP:
 372                chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 373                break;
 374        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 375        case SNDRV_PCM_TRIGGER_SUSPEND:
 376                chip->ply_ctrl |= FM801_PAUSE;
 377                break;
 378        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 379        case SNDRV_PCM_TRIGGER_RESUME:
 380                chip->ply_ctrl &= ~FM801_PAUSE;
 381                break;
 382        default:
 383                spin_unlock(&chip->reg_lock);
 384                snd_BUG();
 385                return -EINVAL;
 386        }
 387        outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 388        spin_unlock(&chip->reg_lock);
 389        return 0;
 390}
 391
 392static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 393                                     int cmd)
 394{
 395        struct fm801 *chip = snd_pcm_substream_chip(substream);
 396
 397        spin_lock(&chip->reg_lock);
 398        switch (cmd) {
 399        case SNDRV_PCM_TRIGGER_START:
 400                chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 401                                     FM801_BUF2_LAST |
 402                                     FM801_PAUSE);
 403                chip->cap_ctrl |= FM801_START |
 404                                   FM801_IMMED_STOP;
 405                break;
 406        case SNDRV_PCM_TRIGGER_STOP:
 407                chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 408                break;
 409        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 410        case SNDRV_PCM_TRIGGER_SUSPEND:
 411                chip->cap_ctrl |= FM801_PAUSE;
 412                break;
 413        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 414        case SNDRV_PCM_TRIGGER_RESUME:
 415                chip->cap_ctrl &= ~FM801_PAUSE;
 416                break;
 417        default:
 418                spin_unlock(&chip->reg_lock);
 419                snd_BUG();
 420                return -EINVAL;
 421        }
 422        outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 423        spin_unlock(&chip->reg_lock);
 424        return 0;
 425}
 426
 427static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
 428                               struct snd_pcm_hw_params *hw_params)
 429{
 430        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 431}
 432
 433static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
 434{
 435        return snd_pcm_lib_free_pages(substream);
 436}
 437
 438static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 439{
 440        struct fm801 *chip = snd_pcm_substream_chip(substream);
 441        struct snd_pcm_runtime *runtime = substream->runtime;
 442
 443        chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 444        chip->ply_count = snd_pcm_lib_period_bytes(substream);
 445        spin_lock_irq(&chip->reg_lock);
 446        chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 447                             FM801_STEREO | FM801_RATE_MASK |
 448                             FM801_CHANNELS_MASK);
 449        if (snd_pcm_format_width(runtime->format) == 16)
 450                chip->ply_ctrl |= FM801_16BIT;
 451        if (runtime->channels > 1) {
 452                chip->ply_ctrl |= FM801_STEREO;
 453                if (runtime->channels == 4)
 454                        chip->ply_ctrl |= FM801_CHANNELS_4;
 455                else if (runtime->channels == 6)
 456                        chip->ply_ctrl |= FM801_CHANNELS_6;
 457        }
 458        chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 459        chip->ply_buf = 0;
 460        outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 461        outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
 462        chip->ply_buffer = runtime->dma_addr;
 463        chip->ply_pos = 0;
 464        outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
 465        outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
 466        spin_unlock_irq(&chip->reg_lock);
 467        return 0;
 468}
 469
 470static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 471{
 472        struct fm801 *chip = snd_pcm_substream_chip(substream);
 473        struct snd_pcm_runtime *runtime = substream->runtime;
 474
 475        chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 476        chip->cap_count = snd_pcm_lib_period_bytes(substream);
 477        spin_lock_irq(&chip->reg_lock);
 478        chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 479                             FM801_STEREO | FM801_RATE_MASK);
 480        if (snd_pcm_format_width(runtime->format) == 16)
 481                chip->cap_ctrl |= FM801_16BIT;
 482        if (runtime->channels > 1)
 483                chip->cap_ctrl |= FM801_STEREO;
 484        chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 485        chip->cap_buf = 0;
 486        outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 487        outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
 488        chip->cap_buffer = runtime->dma_addr;
 489        chip->cap_pos = 0;
 490        outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
 491        outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
 492        spin_unlock_irq(&chip->reg_lock);
 493        return 0;
 494}
 495
 496static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 497{
 498        struct fm801 *chip = snd_pcm_substream_chip(substream);
 499        size_t ptr;
 500
 501        if (!(chip->ply_ctrl & FM801_START))
 502                return 0;
 503        spin_lock(&chip->reg_lock);
 504        ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
 505        if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
 506                ptr += chip->ply_count;
 507                ptr %= chip->ply_size;
 508        }
 509        spin_unlock(&chip->reg_lock);
 510        return bytes_to_frames(substream->runtime, ptr);
 511}
 512
 513static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 514{
 515        struct fm801 *chip = snd_pcm_substream_chip(substream);
 516        size_t ptr;
 517
 518        if (!(chip->cap_ctrl & FM801_START))
 519                return 0;
 520        spin_lock(&chip->reg_lock);
 521        ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
 522        if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
 523                ptr += chip->cap_count;
 524                ptr %= chip->cap_size;
 525        }
 526        spin_unlock(&chip->reg_lock);
 527        return bytes_to_frames(substream->runtime, ptr);
 528}
 529
 530static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 531{
 532        struct fm801 *chip = dev_id;
 533        unsigned short status;
 534        unsigned int tmp;
 535
 536        status = inw(FM801_REG(chip, IRQ_STATUS));
 537        status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 538        if (! status)
 539                return IRQ_NONE;
 540        /* ack first */
 541        outw(status, FM801_REG(chip, IRQ_STATUS));
 542        if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 543                spin_lock(&chip->reg_lock);
 544                chip->ply_buf++;
 545                chip->ply_pos += chip->ply_count;
 546                chip->ply_pos %= chip->ply_size;
 547                tmp = chip->ply_pos + chip->ply_count;
 548                tmp %= chip->ply_size;
 549                outl(chip->ply_buffer + tmp,
 550                                (chip->ply_buf & 1) ?
 551                                        FM801_REG(chip, PLY_BUF1) :
 552                                        FM801_REG(chip, PLY_BUF2));
 553                spin_unlock(&chip->reg_lock);
 554                snd_pcm_period_elapsed(chip->playback_substream);
 555        }
 556        if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 557                spin_lock(&chip->reg_lock);
 558                chip->cap_buf++;
 559                chip->cap_pos += chip->cap_count;
 560                chip->cap_pos %= chip->cap_size;
 561                tmp = chip->cap_pos + chip->cap_count;
 562                tmp %= chip->cap_size;
 563                outl(chip->cap_buffer + tmp,
 564                                (chip->cap_buf & 1) ?
 565                                        FM801_REG(chip, CAP_BUF1) :
 566                                        FM801_REG(chip, CAP_BUF2));
 567                spin_unlock(&chip->reg_lock);
 568                snd_pcm_period_elapsed(chip->capture_substream);
 569        }
 570        if (chip->rmidi && (status & FM801_IRQ_MPU))
 571                snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 572        if (status & FM801_IRQ_VOLUME)
 573                ;/* TODO */
 574
 575        return IRQ_HANDLED;
 576}
 577
 578static struct snd_pcm_hardware snd_fm801_playback =
 579{
 580        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 581                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 582                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 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
 598static struct snd_pcm_hardware snd_fm801_capture =
 599{
 600        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 601                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 602                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 603                                 SNDRV_PCM_INFO_MMAP_VALID),
 604        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 605        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 606        .rate_min =             5500,
 607        .rate_max =             48000,
 608        .channels_min =         1,
 609        .channels_max =         2,
 610        .buffer_bytes_max =     (128*1024),
 611        .period_bytes_min =     64,
 612        .period_bytes_max =     (128*1024),
 613        .periods_min =          1,
 614        .periods_max =          1024,
 615        .fifo_size =            0,
 616};
 617
 618static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 619{
 620        struct fm801 *chip = snd_pcm_substream_chip(substream);
 621        struct snd_pcm_runtime *runtime = substream->runtime;
 622        int err;
 623
 624        chip->playback_substream = substream;
 625        runtime->hw = snd_fm801_playback;
 626        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 627                                   &hw_constraints_rates);
 628        if (chip->multichannel) {
 629                runtime->hw.channels_max = 6;
 630                snd_pcm_hw_constraint_list(runtime, 0,
 631                                           SNDRV_PCM_HW_PARAM_CHANNELS,
 632                                           &hw_constraints_channels);
 633        }
 634        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 635                return err;
 636        return 0;
 637}
 638
 639static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 640{
 641        struct fm801 *chip = snd_pcm_substream_chip(substream);
 642        struct snd_pcm_runtime *runtime = substream->runtime;
 643        int err;
 644
 645        chip->capture_substream = substream;
 646        runtime->hw = snd_fm801_capture;
 647        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 648                                   &hw_constraints_rates);
 649        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 650                return err;
 651        return 0;
 652}
 653
 654static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 655{
 656        struct fm801 *chip = snd_pcm_substream_chip(substream);
 657
 658        chip->playback_substream = NULL;
 659        return 0;
 660}
 661
 662static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 663{
 664        struct fm801 *chip = snd_pcm_substream_chip(substream);
 665
 666        chip->capture_substream = NULL;
 667        return 0;
 668}
 669
 670static struct snd_pcm_ops snd_fm801_playback_ops = {
 671        .open =         snd_fm801_playback_open,
 672        .close =        snd_fm801_playback_close,
 673        .ioctl =        snd_pcm_lib_ioctl,
 674        .hw_params =    snd_fm801_hw_params,
 675        .hw_free =      snd_fm801_hw_free,
 676        .prepare =      snd_fm801_playback_prepare,
 677        .trigger =      snd_fm801_playback_trigger,
 678        .pointer =      snd_fm801_playback_pointer,
 679};
 680
 681static struct snd_pcm_ops snd_fm801_capture_ops = {
 682        .open =         snd_fm801_capture_open,
 683        .close =        snd_fm801_capture_close,
 684        .ioctl =        snd_pcm_lib_ioctl,
 685        .hw_params =    snd_fm801_hw_params,
 686        .hw_free =      snd_fm801_hw_free,
 687        .prepare =      snd_fm801_capture_prepare,
 688        .trigger =      snd_fm801_capture_trigger,
 689        .pointer =      snd_fm801_capture_pointer,
 690};
 691
 692static int __devinit snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm ** rpcm)
 693{
 694        struct snd_pcm *pcm;
 695        int err;
 696
 697        if (rpcm)
 698                *rpcm = NULL;
 699        if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 700                return err;
 701
 702        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 703        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 704
 705        pcm->private_data = chip;
 706        pcm->info_flags = 0;
 707        strcpy(pcm->name, "FM801");
 708        chip->pcm = pcm;
 709
 710        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 711                                              snd_dma_pci_data(chip->pci),
 712                                              chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 713
 714        if (rpcm)
 715                *rpcm = pcm;
 716        return 0;
 717}
 718
 719/*
 720 *  TEA5757 radio
 721 */
 722
 723#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 724
 725/* GPIO to TEA575x maps */
 726struct snd_fm801_tea575x_gpio {
 727        u8 data, clk, wren, most;
 728        char *name;
 729};
 730
 731static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 732        { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 733        { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 734        { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 735};
 736
 737#define get_tea575x_gpio(chip) \
 738        (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 739
 740static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 741{
 742        struct fm801 *chip = tea->private_data;
 743        unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 744        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 745
 746        reg &= ~(FM801_GPIO_GP(gpio.data) |
 747                 FM801_GPIO_GP(gpio.clk) |
 748                 FM801_GPIO_GP(gpio.wren));
 749
 750        reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 751        reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 752        /* WRITE_ENABLE is inverted */
 753        reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 754
 755        outw(reg, FM801_REG(chip, GPIO_CTRL));
 756}
 757
 758static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 759{
 760        struct fm801 *chip = tea->private_data;
 761        unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 762        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 763
 764        return  (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 |
 765                (reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0;
 766}
 767
 768static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 769{
 770        struct fm801 *chip = tea->private_data;
 771        unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 772        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 773
 774        /* use GPIO lines and set write enable bit */
 775        reg |= FM801_GPIO_GS(gpio.data) |
 776               FM801_GPIO_GS(gpio.wren) |
 777               FM801_GPIO_GS(gpio.clk) |
 778               FM801_GPIO_GS(gpio.most);
 779        if (output) {
 780                /* all of lines are in the write direction */
 781                /* clear data and clock lines */
 782                reg &= ~(FM801_GPIO_GD(gpio.data) |
 783                         FM801_GPIO_GD(gpio.wren) |
 784                         FM801_GPIO_GD(gpio.clk) |
 785                         FM801_GPIO_GP(gpio.data) |
 786                         FM801_GPIO_GP(gpio.clk) |
 787                         FM801_GPIO_GP(gpio.wren));
 788        } else {
 789                /* use GPIO lines, set data direction to input */
 790                reg |= FM801_GPIO_GD(gpio.data) |
 791                       FM801_GPIO_GD(gpio.most) |
 792                       FM801_GPIO_GP(gpio.data) |
 793                       FM801_GPIO_GP(gpio.most) |
 794                       FM801_GPIO_GP(gpio.wren);
 795                /* all of lines are in the write direction, except data */
 796                /* clear data, write enable and clock lines */
 797                reg &= ~(FM801_GPIO_GD(gpio.wren) |
 798                         FM801_GPIO_GD(gpio.clk) |
 799                         FM801_GPIO_GP(gpio.clk));
 800        }
 801
 802        outw(reg, FM801_REG(chip, GPIO_CTRL));
 803}
 804
 805static struct snd_tea575x_ops snd_fm801_tea_ops = {
 806        .set_pins = snd_fm801_tea575x_set_pins,
 807        .get_pins = snd_fm801_tea575x_get_pins,
 808        .set_direction = snd_fm801_tea575x_set_direction,
 809};
 810#endif
 811
 812/*
 813 *  Mixer routines
 814 */
 815
 816#define FM801_SINGLE(xname, reg, shift, mask, invert) \
 817{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 818  .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 819  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 820
 821static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 822                                 struct snd_ctl_elem_info *uinfo)
 823{
 824        int mask = (kcontrol->private_value >> 16) & 0xff;
 825
 826        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 827        uinfo->count = 1;
 828        uinfo->value.integer.min = 0;
 829        uinfo->value.integer.max = mask;
 830        return 0;
 831}
 832
 833static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 834                                struct snd_ctl_elem_value *ucontrol)
 835{
 836        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 837        int reg = kcontrol->private_value & 0xff;
 838        int shift = (kcontrol->private_value >> 8) & 0xff;
 839        int mask = (kcontrol->private_value >> 16) & 0xff;
 840        int invert = (kcontrol->private_value >> 24) & 0xff;
 841
 842        ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
 843        if (invert)
 844                ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 845        return 0;
 846}
 847
 848static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 849                                struct snd_ctl_elem_value *ucontrol)
 850{
 851        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 852        int reg = kcontrol->private_value & 0xff;
 853        int shift = (kcontrol->private_value >> 8) & 0xff;
 854        int mask = (kcontrol->private_value >> 16) & 0xff;
 855        int invert = (kcontrol->private_value >> 24) & 0xff;
 856        unsigned short val;
 857
 858        val = (ucontrol->value.integer.value[0] & mask);
 859        if (invert)
 860                val = mask - val;
 861        return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 862}
 863
 864#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 865{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 866  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 867  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 868#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 869{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 870  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 871  .name = xname, .info = snd_fm801_info_double, \
 872  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 873  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 874  .tlv = { .p = (xtlv) } }
 875
 876static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 877                                 struct snd_ctl_elem_info *uinfo)
 878{
 879        int mask = (kcontrol->private_value >> 16) & 0xff;
 880
 881        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 882        uinfo->count = 2;
 883        uinfo->value.integer.min = 0;
 884        uinfo->value.integer.max = mask;
 885        return 0;
 886}
 887
 888static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 889                                struct snd_ctl_elem_value *ucontrol)
 890{
 891        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 892        int reg = kcontrol->private_value & 0xff;
 893        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 894        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 895        int mask = (kcontrol->private_value >> 16) & 0xff;
 896        int invert = (kcontrol->private_value >> 24) & 0xff;
 897
 898        spin_lock_irq(&chip->reg_lock);
 899        ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
 900        ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
 901        spin_unlock_irq(&chip->reg_lock);
 902        if (invert) {
 903                ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 904                ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 905        }
 906        return 0;
 907}
 908
 909static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 910                                struct snd_ctl_elem_value *ucontrol)
 911{
 912        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 913        int reg = kcontrol->private_value & 0xff;
 914        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 915        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 916        int mask = (kcontrol->private_value >> 16) & 0xff;
 917        int invert = (kcontrol->private_value >> 24) & 0xff;
 918        unsigned short val1, val2;
 919 
 920        val1 = ucontrol->value.integer.value[0] & mask;
 921        val2 = ucontrol->value.integer.value[1] & mask;
 922        if (invert) {
 923                val1 = mask - val1;
 924                val2 = mask - val2;
 925        }
 926        return snd_fm801_update_bits(chip, reg,
 927                                     (mask << shift_left) | (mask << shift_right),
 928                                     (val1 << shift_left ) | (val2 << shift_right));
 929}
 930
 931static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 932                              struct snd_ctl_elem_info *uinfo)
 933{
 934        static char *texts[5] = {
 935                "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 936        };
 937 
 938        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 939        uinfo->count = 1;
 940        uinfo->value.enumerated.items = 5;
 941        if (uinfo->value.enumerated.item > 4)
 942                uinfo->value.enumerated.item = 4;
 943        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 944        return 0;
 945}
 946
 947static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 948                             struct snd_ctl_elem_value *ucontrol)
 949{
 950        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 951        unsigned short val;
 952 
 953        val = inw(FM801_REG(chip, REC_SRC)) & 7;
 954        if (val > 4)
 955                val = 4;
 956        ucontrol->value.enumerated.item[0] = val;
 957        return 0;
 958}
 959
 960static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 961                             struct snd_ctl_elem_value *ucontrol)
 962{
 963        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 964        unsigned short val;
 965 
 966        if ((val = ucontrol->value.enumerated.item[0]) > 4)
 967                return -EINVAL;
 968        return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 969}
 970
 971static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 972
 973#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 974
 975static struct snd_kcontrol_new snd_fm801_controls[] __devinitdata = {
 976FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
 977                 db_scale_dsp),
 978FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
 979FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
 980                 db_scale_dsp),
 981FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
 982FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
 983                 db_scale_dsp),
 984FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
 985{
 986        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 987        .name = "Digital Capture Source",
 988        .info = snd_fm801_info_mux,
 989        .get = snd_fm801_get_mux,
 990        .put = snd_fm801_put_mux,
 991}
 992};
 993
 994#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
 995
 996static struct snd_kcontrol_new snd_fm801_controls_multi[] __devinitdata = {
 997FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
 998FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
 999FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1000FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1001FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1002FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1003};
1004
1005static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1006{
1007        struct fm801 *chip = bus->private_data;
1008        chip->ac97_bus = NULL;
1009}
1010
1011static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1012{
1013        struct fm801 *chip = ac97->private_data;
1014        if (ac97->num == 0) {
1015                chip->ac97 = NULL;
1016        } else {
1017                chip->ac97_sec = NULL;
1018        }
1019}
1020
1021static int __devinit snd_fm801_mixer(struct fm801 *chip)
1022{
1023        struct snd_ac97_template ac97;
1024        unsigned int i;
1025        int err;
1026        static struct snd_ac97_bus_ops ops = {
1027                .write = snd_fm801_codec_write,
1028                .read = snd_fm801_codec_read,
1029        };
1030
1031        if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1032                return err;
1033        chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1034
1035        memset(&ac97, 0, sizeof(ac97));
1036        ac97.private_data = chip;
1037        ac97.private_free = snd_fm801_mixer_free_ac97;
1038        if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1039                return err;
1040        if (chip->secondary) {
1041                ac97.num = 1;
1042                ac97.addr = chip->secondary_addr;
1043                if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1044                        return err;
1045        }
1046        for (i = 0; i < FM801_CONTROLS; i++)
1047                snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1048        if (chip->multichannel) {
1049                for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1050                        snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1051        }
1052        return 0;
1053}
1054
1055/*
1056 *  initialization routines
1057 */
1058
1059static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1060                          unsigned short reg, unsigned long waits)
1061{
1062        unsigned long timeout = jiffies + waits;
1063
1064        outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1065             FM801_REG(chip, AC97_CMD));
1066        udelay(5);
1067        do {
1068                if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1069                    == FM801_AC97_VALID)
1070                        return 0;
1071                schedule_timeout_uninterruptible(1);
1072        } while (time_after(timeout, jiffies));
1073        return -EIO;
1074}
1075
1076static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1077{
1078        unsigned short cmdw;
1079
1080        if (chip->tea575x_tuner & TUNER_ONLY)
1081                goto __ac97_ok;
1082
1083        /* codec cold reset + AC'97 warm reset */
1084        outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1085        inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1086        udelay(100);
1087        outw(0, FM801_REG(chip, CODEC_CTRL));
1088
1089        if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1090                if (!resume) {
1091                        snd_printk(KERN_INFO "Primary AC'97 codec not found, "
1092                                            "assume SF64-PCR (tuner-only)\n");
1093                        chip->tea575x_tuner = 3 | TUNER_ONLY;
1094                        goto __ac97_ok;
1095                }
1096
1097        if (chip->multichannel) {
1098                if (chip->secondary_addr) {
1099                        wait_for_codec(chip, chip->secondary_addr,
1100                                       AC97_VENDOR_ID1, msecs_to_jiffies(50));
1101                } else {
1102                        /* my card has the secondary codec */
1103                        /* at address #3, so the loop is inverted */
1104                        int i;
1105                        for (i = 3; i > 0; i--) {
1106                                if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1107                                                     msecs_to_jiffies(50))) {
1108                                        cmdw = inw(FM801_REG(chip, AC97_DATA));
1109                                        if (cmdw != 0xffff && cmdw != 0) {
1110                                                chip->secondary = 1;
1111                                                chip->secondary_addr = i;
1112                                                break;
1113                                        }
1114                                }
1115                        }
1116                }
1117
1118                /* the recovery phase, it seems that probing for non-existing codec might */
1119                /* cause timeout problems */
1120                wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1121        }
1122
1123      __ac97_ok:
1124
1125        /* init volume */
1126        outw(0x0808, FM801_REG(chip, PCM_VOL));
1127        outw(0x9f1f, FM801_REG(chip, FM_VOL));
1128        outw(0x8808, FM801_REG(chip, I2S_VOL));
1129
1130        /* I2S control - I2S mode */
1131        outw(0x0003, FM801_REG(chip, I2S_MODE));
1132
1133        /* interrupt setup */
1134        cmdw = inw(FM801_REG(chip, IRQ_MASK));
1135        if (chip->irq < 0)
1136                cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1137        else
1138                cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1139        outw(cmdw, FM801_REG(chip, IRQ_MASK));
1140
1141        /* interrupt clear */
1142        outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1143
1144        return 0;
1145}
1146
1147
1148static int snd_fm801_free(struct fm801 *chip)
1149{
1150        unsigned short cmdw;
1151
1152        if (chip->irq < 0)
1153                goto __end_hw;
1154
1155        /* interrupt setup - mask everything */
1156        cmdw = inw(FM801_REG(chip, IRQ_MASK));
1157        cmdw |= 0x00c3;
1158        outw(cmdw, FM801_REG(chip, IRQ_MASK));
1159
1160      __end_hw:
1161#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1162        if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1163                snd_tea575x_exit(&chip->tea);
1164                v4l2_device_unregister(&chip->v4l2_dev);
1165        }
1166#endif
1167        if (chip->irq >= 0)
1168                free_irq(chip->irq, chip);
1169        pci_release_regions(chip->pci);
1170        pci_disable_device(chip->pci);
1171
1172        kfree(chip);
1173        return 0;
1174}
1175
1176static int snd_fm801_dev_free(struct snd_device *device)
1177{
1178        struct fm801 *chip = device->device_data;
1179        return snd_fm801_free(chip);
1180}
1181
1182static int __devinit snd_fm801_create(struct snd_card *card,
1183                                      struct pci_dev * pci,
1184                                      int tea575x_tuner,
1185                                      int radio_nr,
1186                                      struct fm801 ** rchip)
1187{
1188        struct fm801 *chip;
1189        int err;
1190        static struct snd_device_ops ops = {
1191                .dev_free =     snd_fm801_dev_free,
1192        };
1193
1194        *rchip = NULL;
1195        if ((err = pci_enable_device(pci)) < 0)
1196                return err;
1197        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1198        if (chip == NULL) {
1199                pci_disable_device(pci);
1200                return -ENOMEM;
1201        }
1202        spin_lock_init(&chip->reg_lock);
1203        chip->card = card;
1204        chip->pci = pci;
1205        chip->irq = -1;
1206        chip->tea575x_tuner = tea575x_tuner;
1207        if ((err = pci_request_regions(pci, "FM801")) < 0) {
1208                kfree(chip);
1209                pci_disable_device(pci);
1210                return err;
1211        }
1212        chip->port = pci_resource_start(pci, 0);
1213        if ((tea575x_tuner & TUNER_ONLY) == 0) {
1214                if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1215                                KBUILD_MODNAME, chip)) {
1216                        snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1217                        snd_fm801_free(chip);
1218                        return -EBUSY;
1219                }
1220                chip->irq = pci->irq;
1221                pci_set_master(pci);
1222        }
1223
1224        if (pci->revision >= 0xb1)      /* FM801-AU */
1225                chip->multichannel = 1;
1226
1227        snd_fm801_chip_init(chip, 0);
1228        /* init might set tuner access method */
1229        tea575x_tuner = chip->tea575x_tuner;
1230
1231        if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1232                pci_clear_master(pci);
1233                free_irq(chip->irq, chip);
1234                chip->irq = -1;
1235        }
1236
1237        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1238                snd_fm801_free(chip);
1239                return err;
1240        }
1241
1242        snd_card_set_dev(card, &pci->dev);
1243
1244#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1245        err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1246        if (err < 0) {
1247                snd_fm801_free(chip);
1248                return err;
1249        }
1250        chip->tea.v4l2_dev = &chip->v4l2_dev;
1251        chip->tea.radio_nr = radio_nr;
1252        chip->tea.private_data = chip;
1253        chip->tea.ops = &snd_fm801_tea_ops;
1254        sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1255        if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1256            (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1257                if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1258                        snd_printk(KERN_ERR "TEA575x radio not found\n");
1259                        snd_fm801_free(chip);
1260                        return -ENODEV;
1261                }
1262        } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1263                /* autodetect tuner connection */
1264                for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1265                        chip->tea575x_tuner = tea575x_tuner;
1266                        if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1267                                snd_printk(KERN_INFO "detected TEA575x radio type %s\n",
1268                                           get_tea575x_gpio(chip)->name);
1269                                break;
1270                        }
1271                }
1272                if (tea575x_tuner == 4) {
1273                        snd_printk(KERN_ERR "TEA575x radio not found\n");
1274                        chip->tea575x_tuner = TUNER_DISABLED;
1275                }
1276        }
1277        if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1278                strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1279                        sizeof(chip->tea.card));
1280        }
1281#endif
1282
1283        *rchip = chip;
1284        return 0;
1285}
1286
1287static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1288                                          const struct pci_device_id *pci_id)
1289{
1290        static int dev;
1291        struct snd_card *card;
1292        struct fm801 *chip;
1293        struct snd_opl3 *opl3;
1294        int err;
1295
1296        if (dev >= SNDRV_CARDS)
1297                return -ENODEV;
1298        if (!enable[dev]) {
1299                dev++;
1300                return -ENOENT;
1301        }
1302
1303        err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1304        if (err < 0)
1305                return err;
1306        if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1307                snd_card_free(card);
1308                return err;
1309        }
1310        card->private_data = chip;
1311
1312        strcpy(card->driver, "FM801");
1313        strcpy(card->shortname, "ForteMedia FM801-");
1314        strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1315        sprintf(card->longname, "%s at 0x%lx, irq %i",
1316                card->shortname, chip->port, chip->irq);
1317
1318        if (chip->tea575x_tuner & TUNER_ONLY)
1319                goto __fm801_tuner_only;
1320
1321        if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1322                snd_card_free(card);
1323                return err;
1324        }
1325        if ((err = snd_fm801_mixer(chip)) < 0) {
1326                snd_card_free(card);
1327                return err;
1328        }
1329        if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1330                                       FM801_REG(chip, MPU401_DATA),
1331                                       MPU401_INFO_INTEGRATED |
1332                                       MPU401_INFO_IRQ_HOOK,
1333                                       -1, &chip->rmidi)) < 0) {
1334                snd_card_free(card);
1335                return err;
1336        }
1337        if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1338                                   FM801_REG(chip, OPL3_BANK1),
1339                                   OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1340                snd_card_free(card);
1341                return err;
1342        }
1343        if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1344                snd_card_free(card);
1345                return err;
1346        }
1347
1348      __fm801_tuner_only:
1349        if ((err = snd_card_register(card)) < 0) {
1350                snd_card_free(card);
1351                return err;
1352        }
1353        pci_set_drvdata(pci, card);
1354        dev++;
1355        return 0;
1356}
1357
1358static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1359{
1360        snd_card_free(pci_get_drvdata(pci));
1361        pci_set_drvdata(pci, NULL);
1362}
1363
1364#ifdef CONFIG_PM
1365static unsigned char saved_regs[] = {
1366        FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1367        FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1368        FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1369        FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1370};
1371
1372static int snd_fm801_suspend(struct device *dev)
1373{
1374        struct pci_dev *pci = to_pci_dev(dev);
1375        struct snd_card *card = dev_get_drvdata(dev);
1376        struct fm801 *chip = card->private_data;
1377        int i;
1378
1379        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1380        snd_pcm_suspend_all(chip->pcm);
1381        snd_ac97_suspend(chip->ac97);
1382        snd_ac97_suspend(chip->ac97_sec);
1383        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1384                chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1385        /* FIXME: tea575x suspend */
1386
1387        pci_disable_device(pci);
1388        pci_save_state(pci);
1389        pci_set_power_state(pci, PCI_D3hot);
1390        return 0;
1391}
1392
1393static int snd_fm801_resume(struct device *dev)
1394{
1395        struct pci_dev *pci = to_pci_dev(dev);
1396        struct snd_card *card = dev_get_drvdata(dev);
1397        struct fm801 *chip = card->private_data;
1398        int i;
1399
1400        pci_set_power_state(pci, PCI_D0);
1401        pci_restore_state(pci);
1402        if (pci_enable_device(pci) < 0) {
1403                printk(KERN_ERR "fm801: pci_enable_device failed, "
1404                       "disabling device\n");
1405                snd_card_disconnect(card);
1406                return -EIO;
1407        }
1408        pci_set_master(pci);
1409
1410        snd_fm801_chip_init(chip, 1);
1411        snd_ac97_resume(chip->ac97);
1412        snd_ac97_resume(chip->ac97_sec);
1413        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1414                outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1415
1416        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1417        return 0;
1418}
1419
1420static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1421#define SND_FM801_PM_OPS        &snd_fm801_pm
1422#else
1423#define SND_FM801_PM_OPS        NULL
1424#endif /* CONFIG_PM */
1425
1426static struct pci_driver fm801_driver = {
1427        .name = KBUILD_MODNAME,
1428        .id_table = snd_fm801_ids,
1429        .probe = snd_card_fm801_probe,
1430        .remove = __devexit_p(snd_card_fm801_remove),
1431        .driver = {
1432                .pm = SND_FM801_PM_OPS,
1433        },
1434};
1435
1436module_pci_driver(fm801_driver);
1437
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