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_SLEEP
 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 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        err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 715                                     snd_pcm_alt_chmaps,
 716                                     chip->multichannel ? 6 : 2, 0,
 717                                     NULL);
 718        if (err < 0)
 719                return err;
 720
 721        if (rpcm)
 722                *rpcm = pcm;
 723        return 0;
 724}
 725
 726/*
 727 *  TEA5757 radio
 728 */
 729
 730#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 731
 732/* GPIO to TEA575x maps */
 733struct snd_fm801_tea575x_gpio {
 734        u8 data, clk, wren, most;
 735        char *name;
 736};
 737
 738static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 739        { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 740        { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 741        { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 742};
 743
 744#define get_tea575x_gpio(chip) \
 745        (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 746
 747static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 748{
 749        struct fm801 *chip = tea->private_data;
 750        unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 751        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 752
 753        reg &= ~(FM801_GPIO_GP(gpio.data) |
 754                 FM801_GPIO_GP(gpio.clk) |
 755                 FM801_GPIO_GP(gpio.wren));
 756
 757        reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 758        reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 759        /* WRITE_ENABLE is inverted */
 760        reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 761
 762        outw(reg, FM801_REG(chip, GPIO_CTRL));
 763}
 764
 765static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 766{
 767        struct fm801 *chip = tea->private_data;
 768        unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 769        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 770        u8 ret;
 771
 772        ret = 0;
 773        if (reg & FM801_GPIO_GP(gpio.data))
 774                ret |= TEA575X_DATA;
 775        if (reg & FM801_GPIO_GP(gpio.most))
 776                ret |= TEA575X_MOST;
 777        return ret;
 778}
 779
 780static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 781{
 782        struct fm801 *chip = tea->private_data;
 783        unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 784        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 785
 786        /* use GPIO lines and set write enable bit */
 787        reg |= FM801_GPIO_GS(gpio.data) |
 788               FM801_GPIO_GS(gpio.wren) |
 789               FM801_GPIO_GS(gpio.clk) |
 790               FM801_GPIO_GS(gpio.most);
 791        if (output) {
 792                /* all of lines are in the write direction */
 793                /* clear data and clock lines */
 794                reg &= ~(FM801_GPIO_GD(gpio.data) |
 795                         FM801_GPIO_GD(gpio.wren) |
 796                         FM801_GPIO_GD(gpio.clk) |
 797                         FM801_GPIO_GP(gpio.data) |
 798                         FM801_GPIO_GP(gpio.clk) |
 799                         FM801_GPIO_GP(gpio.wren));
 800        } else {
 801                /* use GPIO lines, set data direction to input */
 802                reg |= FM801_GPIO_GD(gpio.data) |
 803                       FM801_GPIO_GD(gpio.most) |
 804                       FM801_GPIO_GP(gpio.data) |
 805                       FM801_GPIO_GP(gpio.most) |
 806                       FM801_GPIO_GP(gpio.wren);
 807                /* all of lines are in the write direction, except data */
 808                /* clear data, write enable and clock lines */
 809                reg &= ~(FM801_GPIO_GD(gpio.wren) |
 810                         FM801_GPIO_GD(gpio.clk) |
 811                         FM801_GPIO_GP(gpio.clk));
 812        }
 813
 814        outw(reg, FM801_REG(chip, GPIO_CTRL));
 815}
 816
 817static struct snd_tea575x_ops snd_fm801_tea_ops = {
 818        .set_pins = snd_fm801_tea575x_set_pins,
 819        .get_pins = snd_fm801_tea575x_get_pins,
 820        .set_direction = snd_fm801_tea575x_set_direction,
 821};
 822#endif
 823
 824/*
 825 *  Mixer routines
 826 */
 827
 828#define FM801_SINGLE(xname, reg, shift, mask, invert) \
 829{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 830  .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 831  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 832
 833static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 834                                 struct snd_ctl_elem_info *uinfo)
 835{
 836        int mask = (kcontrol->private_value >> 16) & 0xff;
 837
 838        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 839        uinfo->count = 1;
 840        uinfo->value.integer.min = 0;
 841        uinfo->value.integer.max = mask;
 842        return 0;
 843}
 844
 845static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 846                                struct snd_ctl_elem_value *ucontrol)
 847{
 848        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 849        int reg = kcontrol->private_value & 0xff;
 850        int shift = (kcontrol->private_value >> 8) & 0xff;
 851        int mask = (kcontrol->private_value >> 16) & 0xff;
 852        int invert = (kcontrol->private_value >> 24) & 0xff;
 853
 854        ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
 855        if (invert)
 856                ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 857        return 0;
 858}
 859
 860static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 861                                struct snd_ctl_elem_value *ucontrol)
 862{
 863        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 864        int reg = kcontrol->private_value & 0xff;
 865        int shift = (kcontrol->private_value >> 8) & 0xff;
 866        int mask = (kcontrol->private_value >> 16) & 0xff;
 867        int invert = (kcontrol->private_value >> 24) & 0xff;
 868        unsigned short val;
 869
 870        val = (ucontrol->value.integer.value[0] & mask);
 871        if (invert)
 872                val = mask - val;
 873        return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 874}
 875
 876#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 877{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 878  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 879  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 880#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 881{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 882  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 883  .name = xname, .info = snd_fm801_info_double, \
 884  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 885  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 886  .tlv = { .p = (xtlv) } }
 887
 888static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 889                                 struct snd_ctl_elem_info *uinfo)
 890{
 891        int mask = (kcontrol->private_value >> 16) & 0xff;
 892
 893        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 894        uinfo->count = 2;
 895        uinfo->value.integer.min = 0;
 896        uinfo->value.integer.max = mask;
 897        return 0;
 898}
 899
 900static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 901                                struct snd_ctl_elem_value *ucontrol)
 902{
 903        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 904        int reg = kcontrol->private_value & 0xff;
 905        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 906        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 907        int mask = (kcontrol->private_value >> 16) & 0xff;
 908        int invert = (kcontrol->private_value >> 24) & 0xff;
 909
 910        spin_lock_irq(&chip->reg_lock);
 911        ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
 912        ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
 913        spin_unlock_irq(&chip->reg_lock);
 914        if (invert) {
 915                ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 916                ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 917        }
 918        return 0;
 919}
 920
 921static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 922                                struct snd_ctl_elem_value *ucontrol)
 923{
 924        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 925        int reg = kcontrol->private_value & 0xff;
 926        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 927        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 928        int mask = (kcontrol->private_value >> 16) & 0xff;
 929        int invert = (kcontrol->private_value >> 24) & 0xff;
 930        unsigned short val1, val2;
 931 
 932        val1 = ucontrol->value.integer.value[0] & mask;
 933        val2 = ucontrol->value.integer.value[1] & mask;
 934        if (invert) {
 935                val1 = mask - val1;
 936                val2 = mask - val2;
 937        }
 938        return snd_fm801_update_bits(chip, reg,
 939                                     (mask << shift_left) | (mask << shift_right),
 940                                     (val1 << shift_left ) | (val2 << shift_right));
 941}
 942
 943static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 944                              struct snd_ctl_elem_info *uinfo)
 945{
 946        static char *texts[5] = {
 947                "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 948        };
 949 
 950        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 951        uinfo->count = 1;
 952        uinfo->value.enumerated.items = 5;
 953        if (uinfo->value.enumerated.item > 4)
 954                uinfo->value.enumerated.item = 4;
 955        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 956        return 0;
 957}
 958
 959static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 960                             struct snd_ctl_elem_value *ucontrol)
 961{
 962        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 963        unsigned short val;
 964 
 965        val = inw(FM801_REG(chip, REC_SRC)) & 7;
 966        if (val > 4)
 967                val = 4;
 968        ucontrol->value.enumerated.item[0] = val;
 969        return 0;
 970}
 971
 972static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 973                             struct snd_ctl_elem_value *ucontrol)
 974{
 975        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 976        unsigned short val;
 977 
 978        if ((val = ucontrol->value.enumerated.item[0]) > 4)
 979                return -EINVAL;
 980        return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 981}
 982
 983static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 984
 985#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 986
 987static struct snd_kcontrol_new snd_fm801_controls[] = {
 988FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
 989                 db_scale_dsp),
 990FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
 991FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
 992                 db_scale_dsp),
 993FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
 994FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
 995                 db_scale_dsp),
 996FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
 997{
 998        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 999        .name = "Digital Capture Source",
1000        .info = snd_fm801_info_mux,
1001        .get = snd_fm801_get_mux,
1002        .put = snd_fm801_put_mux,
1003}
1004};
1005
1006#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1007
1008static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1009FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1010FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1011FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1012FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1013FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1014FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1015};
1016
1017static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1018{
1019        struct fm801 *chip = bus->private_data;
1020        chip->ac97_bus = NULL;
1021}
1022
1023static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1024{
1025        struct fm801 *chip = ac97->private_data;
1026        if (ac97->num == 0) {
1027                chip->ac97 = NULL;
1028        } else {
1029                chip->ac97_sec = NULL;
1030        }
1031}
1032
1033static int snd_fm801_mixer(struct fm801 *chip)
1034{
1035        struct snd_ac97_template ac97;
1036        unsigned int i;
1037        int err;
1038        static struct snd_ac97_bus_ops ops = {
1039                .write = snd_fm801_codec_write,
1040                .read = snd_fm801_codec_read,
1041        };
1042
1043        if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1044                return err;
1045        chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1046
1047        memset(&ac97, 0, sizeof(ac97));
1048        ac97.private_data = chip;
1049        ac97.private_free = snd_fm801_mixer_free_ac97;
1050        if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1051                return err;
1052        if (chip->secondary) {
1053                ac97.num = 1;
1054                ac97.addr = chip->secondary_addr;
1055                if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1056                        return err;
1057        }
1058        for (i = 0; i < FM801_CONTROLS; i++)
1059                snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1060        if (chip->multichannel) {
1061                for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1062                        snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1063        }
1064        return 0;
1065}
1066
1067/*
1068 *  initialization routines
1069 */
1070
1071static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1072                          unsigned short reg, unsigned long waits)
1073{
1074        unsigned long timeout = jiffies + waits;
1075
1076        outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1077             FM801_REG(chip, AC97_CMD));
1078        udelay(5);
1079        do {
1080                if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1081                    == FM801_AC97_VALID)
1082                        return 0;
1083                schedule_timeout_uninterruptible(1);
1084        } while (time_after(timeout, jiffies));
1085        return -EIO;
1086}
1087
1088static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1089{
1090        unsigned short cmdw;
1091
1092        if (chip->tea575x_tuner & TUNER_ONLY)
1093                goto __ac97_ok;
1094
1095        /* codec cold reset + AC'97 warm reset */
1096        outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1097        inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1098        udelay(100);
1099        outw(0, FM801_REG(chip, CODEC_CTRL));
1100
1101        if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1102                if (!resume) {
1103                        snd_printk(KERN_INFO "Primary AC'97 codec not found, "
1104                                            "assume SF64-PCR (tuner-only)\n");
1105                        chip->tea575x_tuner = 3 | TUNER_ONLY;
1106                        goto __ac97_ok;
1107                }
1108
1109        if (chip->multichannel) {
1110                if (chip->secondary_addr) {
1111                        wait_for_codec(chip, chip->secondary_addr,
1112                                       AC97_VENDOR_ID1, msecs_to_jiffies(50));
1113                } else {
1114                        /* my card has the secondary codec */
1115                        /* at address #3, so the loop is inverted */
1116                        int i;
1117                        for (i = 3; i > 0; i--) {
1118                                if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1119                                                     msecs_to_jiffies(50))) {
1120                                        cmdw = inw(FM801_REG(chip, AC97_DATA));
1121                                        if (cmdw != 0xffff && cmdw != 0) {
1122                                                chip->secondary = 1;
1123                                                chip->secondary_addr = i;
1124                                                break;
1125                                        }
1126                                }
1127                        }
1128                }
1129
1130                /* the recovery phase, it seems that probing for non-existing codec might */
1131                /* cause timeout problems */
1132                wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1133        }
1134
1135      __ac97_ok:
1136
1137        /* init volume */
1138        outw(0x0808, FM801_REG(chip, PCM_VOL));
1139        outw(0x9f1f, FM801_REG(chip, FM_VOL));
1140        outw(0x8808, FM801_REG(chip, I2S_VOL));
1141
1142        /* I2S control - I2S mode */
1143        outw(0x0003, FM801_REG(chip, I2S_MODE));
1144
1145        /* interrupt setup */
1146        cmdw = inw(FM801_REG(chip, IRQ_MASK));
1147        if (chip->irq < 0)
1148                cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1149        else
1150                cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1151        outw(cmdw, FM801_REG(chip, IRQ_MASK));
1152
1153        /* interrupt clear */
1154        outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1155
1156        return 0;
1157}
1158
1159
1160static int snd_fm801_free(struct fm801 *chip)
1161{
1162        unsigned short cmdw;
1163
1164        if (chip->irq < 0)
1165                goto __end_hw;
1166
1167        /* interrupt setup - mask everything */
1168        cmdw = inw(FM801_REG(chip, IRQ_MASK));
1169        cmdw |= 0x00c3;
1170        outw(cmdw, FM801_REG(chip, IRQ_MASK));
1171
1172      __end_hw:
1173#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1174        if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1175                snd_tea575x_exit(&chip->tea);
1176                v4l2_device_unregister(&chip->v4l2_dev);
1177        }
1178#endif
1179        if (chip->irq >= 0)
1180                free_irq(chip->irq, chip);
1181        pci_release_regions(chip->pci);
1182        pci_disable_device(chip->pci);
1183
1184        kfree(chip);
1185        return 0;
1186}
1187
1188static int snd_fm801_dev_free(struct snd_device *device)
1189{
1190        struct fm801 *chip = device->device_data;
1191        return snd_fm801_free(chip);
1192}
1193
1194static int snd_fm801_create(struct snd_card *card,
1195                            struct pci_dev *pci,
1196                            int tea575x_tuner,
1197                            int radio_nr,
1198                            struct fm801 **rchip)
1199{
1200        struct fm801 *chip;
1201        int err;
1202        static struct snd_device_ops ops = {
1203                .dev_free =     snd_fm801_dev_free,
1204        };
1205
1206        *rchip = NULL;
1207        if ((err = pci_enable_device(pci)) < 0)
1208                return err;
1209        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1210        if (chip == NULL) {
1211                pci_disable_device(pci);
1212                return -ENOMEM;
1213        }
1214        spin_lock_init(&chip->reg_lock);
1215        chip->card = card;
1216        chip->pci = pci;
1217        chip->irq = -1;
1218        chip->tea575x_tuner = tea575x_tuner;
1219        if ((err = pci_request_regions(pci, "FM801")) < 0) {
1220                kfree(chip);
1221                pci_disable_device(pci);
1222                return err;
1223        }
1224        chip->port = pci_resource_start(pci, 0);
1225        if ((tea575x_tuner & TUNER_ONLY) == 0) {
1226                if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1227                                KBUILD_MODNAME, chip)) {
1228                        snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1229                        snd_fm801_free(chip);
1230                        return -EBUSY;
1231                }
1232                chip->irq = pci->irq;
1233                pci_set_master(pci);
1234        }
1235
1236        if (pci->revision >= 0xb1)      /* FM801-AU */
1237                chip->multichannel = 1;
1238
1239        snd_fm801_chip_init(chip, 0);
1240        /* init might set tuner access method */
1241        tea575x_tuner = chip->tea575x_tuner;
1242
1243        if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1244                pci_clear_master(pci);
1245                free_irq(chip->irq, chip);
1246                chip->irq = -1;
1247        }
1248
1249        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1250                snd_fm801_free(chip);
1251                return err;
1252        }
1253
1254        snd_card_set_dev(card, &pci->dev);
1255
1256#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1257        err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1258        if (err < 0) {
1259                snd_fm801_free(chip);
1260                return err;
1261        }
1262        chip->tea.v4l2_dev = &chip->v4l2_dev;
1263        chip->tea.radio_nr = radio_nr;
1264        chip->tea.private_data = chip;
1265        chip->tea.ops = &snd_fm801_tea_ops;
1266        sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1267        if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1268            (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1269                if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1270                        snd_printk(KERN_ERR "TEA575x radio not found\n");
1271                        snd_fm801_free(chip);
1272                        return -ENODEV;
1273                }
1274        } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1275                /* autodetect tuner connection */
1276                for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1277                        chip->tea575x_tuner = tea575x_tuner;
1278                        if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1279                                snd_printk(KERN_INFO "detected TEA575x radio type %s\n",
1280                                           get_tea575x_gpio(chip)->name);
1281                                break;
1282                        }
1283                }
1284                if (tea575x_tuner == 4) {
1285                        snd_printk(KERN_ERR "TEA575x radio not found\n");
1286                        chip->tea575x_tuner = TUNER_DISABLED;
1287                }
1288        }
1289        if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1290                strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1291                        sizeof(chip->tea.card));
1292        }
1293#endif
1294
1295        *rchip = chip;
1296        return 0;
1297}
1298
1299static int snd_card_fm801_probe(struct pci_dev *pci,
1300                                const struct pci_device_id *pci_id)
1301{
1302        static int dev;
1303        struct snd_card *card;
1304        struct fm801 *chip;
1305        struct snd_opl3 *opl3;
1306        int err;
1307
1308        if (dev >= SNDRV_CARDS)
1309                return -ENODEV;
1310        if (!enable[dev]) {
1311                dev++;
1312                return -ENOENT;
1313        }
1314
1315        err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1316        if (err < 0)
1317                return err;
1318        if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1319                snd_card_free(card);
1320                return err;
1321        }
1322        card->private_data = chip;
1323
1324        strcpy(card->driver, "FM801");
1325        strcpy(card->shortname, "ForteMedia FM801-");
1326        strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1327        sprintf(card->longname, "%s at 0x%lx, irq %i",
1328                card->shortname, chip->port, chip->irq);
1329
1330        if (chip->tea575x_tuner & TUNER_ONLY)
1331                goto __fm801_tuner_only;
1332
1333        if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1334                snd_card_free(card);
1335                return err;
1336        }
1337        if ((err = snd_fm801_mixer(chip)) < 0) {
1338                snd_card_free(card);
1339                return err;
1340        }
1341        if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1342                                       FM801_REG(chip, MPU401_DATA),
1343                                       MPU401_INFO_INTEGRATED |
1344                                       MPU401_INFO_IRQ_HOOK,
1345                                       -1, &chip->rmidi)) < 0) {
1346                snd_card_free(card);
1347                return err;
1348        }
1349        if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1350                                   FM801_REG(chip, OPL3_BANK1),
1351                                   OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1352                snd_card_free(card);
1353                return err;
1354        }
1355        if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1356                snd_card_free(card);
1357                return err;
1358        }
1359
1360      __fm801_tuner_only:
1361        if ((err = snd_card_register(card)) < 0) {
1362                snd_card_free(card);
1363                return err;
1364        }
1365        pci_set_drvdata(pci, card);
1366        dev++;
1367        return 0;
1368}
1369
1370static void snd_card_fm801_remove(struct pci_dev *pci)
1371{
1372        snd_card_free(pci_get_drvdata(pci));
1373}
1374
1375#ifdef CONFIG_PM_SLEEP
1376static unsigned char saved_regs[] = {
1377        FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1378        FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1379        FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1380        FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1381};
1382
1383static int snd_fm801_suspend(struct device *dev)
1384{
1385        struct pci_dev *pci = to_pci_dev(dev);
1386        struct snd_card *card = dev_get_drvdata(dev);
1387        struct fm801 *chip = card->private_data;
1388        int i;
1389
1390        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1391        snd_pcm_suspend_all(chip->pcm);
1392        snd_ac97_suspend(chip->ac97);
1393        snd_ac97_suspend(chip->ac97_sec);
1394        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1395                chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1396        /* FIXME: tea575x suspend */
1397
1398        pci_disable_device(pci);
1399        pci_save_state(pci);
1400        pci_set_power_state(pci, PCI_D3hot);
1401        return 0;
1402}
1403
1404static int snd_fm801_resume(struct device *dev)
1405{
1406        struct pci_dev *pci = to_pci_dev(dev);
1407        struct snd_card *card = dev_get_drvdata(dev);
1408        struct fm801 *chip = card->private_data;
1409        int i;
1410
1411        pci_set_power_state(pci, PCI_D0);
1412        pci_restore_state(pci);
1413        if (pci_enable_device(pci) < 0) {
1414                printk(KERN_ERR "fm801: pci_enable_device failed, "
1415                       "disabling device\n");
1416                snd_card_disconnect(card);
1417                return -EIO;
1418        }
1419        pci_set_master(pci);
1420
1421        snd_fm801_chip_init(chip, 1);
1422        snd_ac97_resume(chip->ac97);
1423        snd_ac97_resume(chip->ac97_sec);
1424        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1425                outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1426
1427        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1428        return 0;
1429}
1430
1431static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1432#define SND_FM801_PM_OPS        &snd_fm801_pm
1433#else
1434#define SND_FM801_PM_OPS        NULL
1435#endif /* CONFIG_PM_SLEEP */
1436
1437static struct pci_driver fm801_driver = {
1438        .name = KBUILD_MODNAME,
1439        .id_table = snd_fm801_ids,
1440        .probe = snd_card_fm801_probe,
1441        .remove = snd_card_fm801_remove,
1442        .driver = {
1443                .pm = SND_FM801_PM_OPS,
1444        },
1445};
1446
1447module_pci_driver(fm801_driver);
1448
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