linux/sound/pci/fm801.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *  The driver for the ForteMedia FM801 based soundcards
   4 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   5 */
   6
   7#include <linux/delay.h>
   8#include <linux/init.h>
   9#include <linux/interrupt.h>
  10#include <linux/io.h>
  11#include <linux/pci.h>
  12#include <linux/slab.h>
  13#include <linux/module.h>
  14#include <sound/core.h>
  15#include <sound/pcm.h>
  16#include <sound/tlv.h>
  17#include <sound/ac97_codec.h>
  18#include <sound/mpu401.h>
  19#include <sound/opl3.h>
  20#include <sound/initval.h>
  21
  22#ifdef CONFIG_SND_FM801_TEA575X_BOOL
  23#include <media/drv-intf/tea575x.h>
  24#endif
  25
  26MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  27MODULE_DESCRIPTION("ForteMedia FM801");
  28MODULE_LICENSE("GPL");
  29MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
  30                "{Genius,SoundMaker Live 5.1}}");
  31
  32static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  33static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  34static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  35/*
  36 *  Enable TEA575x tuner
  37 *    1 = MediaForte 256-PCS
  38 *    2 = MediaForte 256-PCP
  39 *    3 = MediaForte 64-PCR
  40 *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
  41 *  High 16-bits are video (radio) device number + 1
  42 */
  43static int tea575x_tuner[SNDRV_CARDS];
  44static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  45
  46module_param_array(index, int, NULL, 0444);
  47MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  48module_param_array(id, charp, NULL, 0444);
  49MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  50module_param_array(enable, bool, NULL, 0444);
  51MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  52module_param_array(tea575x_tuner, int, NULL, 0444);
  53MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
  54module_param_array(radio_nr, int, NULL, 0444);
  55MODULE_PARM_DESC(radio_nr, "Radio device numbers");
  56
  57
  58#define TUNER_DISABLED          (1<<3)
  59#define TUNER_ONLY              (1<<4)
  60#define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
  61
  62/*
  63 *  Direct registers
  64 */
  65
  66#define fm801_writew(chip,reg,value)    outw((value), chip->port + FM801_##reg)
  67#define fm801_readw(chip,reg)           inw(chip->port + FM801_##reg)
  68
  69#define fm801_writel(chip,reg,value)    outl((value), chip->port + FM801_##reg)
  70
  71#define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  72#define FM801_FM_VOL            0x02    /* FM Output Volume */
  73#define FM801_I2S_VOL           0x04    /* I2S Volume */
  74#define FM801_REC_SRC           0x06    /* Record Source */
  75#define FM801_PLY_CTRL          0x08    /* Playback Control */
  76#define FM801_PLY_COUNT         0x0a    /* Playback Count */
  77#define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  78#define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  79#define FM801_CAP_CTRL          0x14    /* Capture Control */
  80#define FM801_CAP_COUNT         0x16    /* Capture Count */
  81#define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  82#define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  83#define FM801_CODEC_CTRL        0x22    /* Codec Control */
  84#define FM801_I2S_MODE          0x24    /* I2S Mode Control */
  85#define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
  86#define FM801_I2C_CTRL          0x29    /* I2C Control */
  87#define FM801_AC97_CMD          0x2a    /* AC'97 Command */
  88#define FM801_AC97_DATA         0x2c    /* AC'97 Data */
  89#define FM801_MPU401_DATA       0x30    /* MPU401 Data */
  90#define FM801_MPU401_CMD        0x31    /* MPU401 Command */
  91#define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
  92#define FM801_GEN_CTRL          0x54    /* General Control */
  93#define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
  94#define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
  95#define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
  96#define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
  97#define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
  98#define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
  99#define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
 100
 101/* codec access */
 102#define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
 103#define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
 104#define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
 105#define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
 106
 107/* playback and record control register bits */
 108#define FM801_BUF1_LAST         (1<<1)
 109#define FM801_BUF2_LAST         (1<<2)
 110#define FM801_START             (1<<5)
 111#define FM801_PAUSE             (1<<6)
 112#define FM801_IMMED_STOP        (1<<7)
 113#define FM801_RATE_SHIFT        8
 114#define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 115#define FM801_CHANNELS_4        (1<<12) /* playback only */
 116#define FM801_CHANNELS_6        (2<<12) /* playback only */
 117#define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 118#define FM801_CHANNELS_MASK     (3<<12)
 119#define FM801_16BIT             (1<<14)
 120#define FM801_STEREO            (1<<15)
 121
 122/* IRQ status bits */
 123#define FM801_IRQ_PLAYBACK      (1<<8)
 124#define FM801_IRQ_CAPTURE       (1<<9)
 125#define FM801_IRQ_VOLUME        (1<<14)
 126#define FM801_IRQ_MPU           (1<<15)
 127
 128/* GPIO control register */
 129#define FM801_GPIO_GP0          (1<<0)  /* read/write */
 130#define FM801_GPIO_GP1          (1<<1)
 131#define FM801_GPIO_GP2          (1<<2)
 132#define FM801_GPIO_GP3          (1<<3)
 133#define FM801_GPIO_GP(x)        (1<<(0+(x)))
 134#define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 135#define FM801_GPIO_GD1          (1<<9)
 136#define FM801_GPIO_GD2          (1<<10)
 137#define FM801_GPIO_GD3          (1<<11)
 138#define FM801_GPIO_GD(x)        (1<<(8+(x)))
 139#define FM801_GPIO_GS0          (1<<12) /* function select: */
 140#define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 141#define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 142#define FM801_GPIO_GS3          (1<<15)
 143#define FM801_GPIO_GS(x)        (1<<(12+(x)))
 144        
 145/**
 146 * struct fm801 - describes FM801 chip
 147 * @port:               I/O port number
 148 * @multichannel:       multichannel support
 149 * @secondary:          secondary codec
 150 * @secondary_addr:     address of the secondary codec
 151 * @tea575x_tuner:      tuner access method & flags
 152 * @ply_ctrl:           playback control
 153 * @cap_ctrl:           capture control
 154 */
 155struct fm801 {
 156        struct device *dev;
 157        int irq;
 158
 159        unsigned long port;
 160        unsigned int multichannel: 1,
 161                     secondary: 1;
 162        unsigned char secondary_addr;
 163        unsigned int tea575x_tuner;
 164
 165        unsigned short ply_ctrl;
 166        unsigned short cap_ctrl;
 167
 168        unsigned long ply_buffer;
 169        unsigned int ply_buf;
 170        unsigned int ply_count;
 171        unsigned int ply_size;
 172        unsigned int ply_pos;
 173
 174        unsigned long cap_buffer;
 175        unsigned int cap_buf;
 176        unsigned int cap_count;
 177        unsigned int cap_size;
 178        unsigned int cap_pos;
 179
 180        struct snd_ac97_bus *ac97_bus;
 181        struct snd_ac97 *ac97;
 182        struct snd_ac97 *ac97_sec;
 183
 184        struct snd_card *card;
 185        struct snd_pcm *pcm;
 186        struct snd_rawmidi *rmidi;
 187        struct snd_pcm_substream *playback_substream;
 188        struct snd_pcm_substream *capture_substream;
 189        unsigned int p_dma_size;
 190        unsigned int c_dma_size;
 191
 192        spinlock_t reg_lock;
 193        struct snd_info_entry *proc_entry;
 194
 195#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 196        struct v4l2_device v4l2_dev;
 197        struct snd_tea575x tea;
 198#endif
 199
 200#ifdef CONFIG_PM_SLEEP
 201        u16 saved_regs[0x20];
 202#endif
 203};
 204
 205/*
 206 * IO accessors
 207 */
 208
 209static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
 210{
 211        outw(value, chip->port + offset);
 212}
 213
 214static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
 215{
 216        return inw(chip->port + offset);
 217}
 218
 219static const struct pci_device_id snd_fm801_ids[] = {
 220        { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 221        { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 222        { 0, }
 223};
 224
 225MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 226
 227/*
 228 *  common I/O routines
 229 */
 230
 231static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
 232{
 233        unsigned int idx;
 234
 235        for (idx = 0; idx < iterations; idx++) {
 236                if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
 237                        return true;
 238                udelay(10);
 239        }
 240        return false;
 241}
 242
 243static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
 244{
 245        unsigned int idx;
 246
 247        for (idx = 0; idx < iterations; idx++) {
 248                if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
 249                        return true;
 250                udelay(10);
 251        }
 252        return false;
 253}
 254
 255static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 256                                 unsigned short mask, unsigned short value)
 257{
 258        int change;
 259        unsigned long flags;
 260        unsigned short old, new;
 261
 262        spin_lock_irqsave(&chip->reg_lock, flags);
 263        old = fm801_ioread16(chip, reg);
 264        new = (old & ~mask) | value;
 265        change = old != new;
 266        if (change)
 267                fm801_iowrite16(chip, reg, new);
 268        spin_unlock_irqrestore(&chip->reg_lock, flags);
 269        return change;
 270}
 271
 272static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 273                                  unsigned short reg,
 274                                  unsigned short val)
 275{
 276        struct fm801 *chip = ac97->private_data;
 277
 278        /*
 279         *  Wait until the codec interface is not ready..
 280         */
 281        if (!fm801_ac97_is_ready(chip, 100)) {
 282                dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 283                return;
 284        }
 285
 286        /* write data and address */
 287        fm801_writew(chip, AC97_DATA, val);
 288        fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
 289        /*
 290         *  Wait until the write command is not completed..
 291         */
 292        if (!fm801_ac97_is_ready(chip, 1000))
 293                dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 294                ac97->num);
 295}
 296
 297static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 298{
 299        struct fm801 *chip = ac97->private_data;
 300
 301        /*
 302         *  Wait until the codec interface is not ready..
 303         */
 304        if (!fm801_ac97_is_ready(chip, 100)) {
 305                dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
 306                return 0;
 307        }
 308
 309        /* read command */
 310        fm801_writew(chip, AC97_CMD,
 311                     reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
 312        if (!fm801_ac97_is_ready(chip, 100)) {
 313                dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
 314                        ac97->num);
 315                return 0;
 316        }
 317
 318        if (!fm801_ac97_is_valid(chip, 1000)) {
 319                dev_err(chip->card->dev,
 320                        "AC'97 interface #%d is not valid (2)\n", ac97->num);
 321                return 0;
 322        }
 323
 324        return fm801_readw(chip, AC97_DATA);
 325}
 326
 327static const unsigned int rates[] = {
 328  5500,  8000,  9600, 11025,
 329  16000, 19200, 22050, 32000,
 330  38400, 44100, 48000
 331};
 332
 333static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 334        .count = ARRAY_SIZE(rates),
 335        .list = rates,
 336        .mask = 0,
 337};
 338
 339static const unsigned int channels[] = {
 340  2, 4, 6
 341};
 342
 343static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 344        .count = ARRAY_SIZE(channels),
 345        .list = channels,
 346        .mask = 0,
 347};
 348
 349/*
 350 *  Sample rate routines
 351 */
 352
 353static unsigned short snd_fm801_rate_bits(unsigned int rate)
 354{
 355        unsigned int idx;
 356
 357        for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 358                if (rates[idx] == rate)
 359                        return idx;
 360        snd_BUG();
 361        return ARRAY_SIZE(rates) - 1;
 362}
 363
 364/*
 365 *  PCM part
 366 */
 367
 368static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 369                                      int cmd)
 370{
 371        struct fm801 *chip = snd_pcm_substream_chip(substream);
 372
 373        spin_lock(&chip->reg_lock);
 374        switch (cmd) {
 375        case SNDRV_PCM_TRIGGER_START:
 376                chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 377                                     FM801_BUF2_LAST |
 378                                     FM801_PAUSE);
 379                chip->ply_ctrl |= FM801_START |
 380                                   FM801_IMMED_STOP;
 381                break;
 382        case SNDRV_PCM_TRIGGER_STOP:
 383                chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 384                break;
 385        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 386        case SNDRV_PCM_TRIGGER_SUSPEND:
 387                chip->ply_ctrl |= FM801_PAUSE;
 388                break;
 389        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 390        case SNDRV_PCM_TRIGGER_RESUME:
 391                chip->ply_ctrl &= ~FM801_PAUSE;
 392                break;
 393        default:
 394                spin_unlock(&chip->reg_lock);
 395                snd_BUG();
 396                return -EINVAL;
 397        }
 398        fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 399        spin_unlock(&chip->reg_lock);
 400        return 0;
 401}
 402
 403static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 404                                     int cmd)
 405{
 406        struct fm801 *chip = snd_pcm_substream_chip(substream);
 407
 408        spin_lock(&chip->reg_lock);
 409        switch (cmd) {
 410        case SNDRV_PCM_TRIGGER_START:
 411                chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 412                                     FM801_BUF2_LAST |
 413                                     FM801_PAUSE);
 414                chip->cap_ctrl |= FM801_START |
 415                                   FM801_IMMED_STOP;
 416                break;
 417        case SNDRV_PCM_TRIGGER_STOP:
 418                chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 419                break;
 420        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 421        case SNDRV_PCM_TRIGGER_SUSPEND:
 422                chip->cap_ctrl |= FM801_PAUSE;
 423                break;
 424        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 425        case SNDRV_PCM_TRIGGER_RESUME:
 426                chip->cap_ctrl &= ~FM801_PAUSE;
 427                break;
 428        default:
 429                spin_unlock(&chip->reg_lock);
 430                snd_BUG();
 431                return -EINVAL;
 432        }
 433        fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 434        spin_unlock(&chip->reg_lock);
 435        return 0;
 436}
 437
 438static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
 439                               struct snd_pcm_hw_params *hw_params)
 440{
 441        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 442}
 443
 444static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
 445{
 446        return snd_pcm_lib_free_pages(substream);
 447}
 448
 449static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 450{
 451        struct fm801 *chip = snd_pcm_substream_chip(substream);
 452        struct snd_pcm_runtime *runtime = substream->runtime;
 453
 454        chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 455        chip->ply_count = snd_pcm_lib_period_bytes(substream);
 456        spin_lock_irq(&chip->reg_lock);
 457        chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 458                             FM801_STEREO | FM801_RATE_MASK |
 459                             FM801_CHANNELS_MASK);
 460        if (snd_pcm_format_width(runtime->format) == 16)
 461                chip->ply_ctrl |= FM801_16BIT;
 462        if (runtime->channels > 1) {
 463                chip->ply_ctrl |= FM801_STEREO;
 464                if (runtime->channels == 4)
 465                        chip->ply_ctrl |= FM801_CHANNELS_4;
 466                else if (runtime->channels == 6)
 467                        chip->ply_ctrl |= FM801_CHANNELS_6;
 468        }
 469        chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 470        chip->ply_buf = 0;
 471        fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
 472        fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
 473        chip->ply_buffer = runtime->dma_addr;
 474        chip->ply_pos = 0;
 475        fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
 476        fm801_writel(chip, PLY_BUF2,
 477                     chip->ply_buffer + (chip->ply_count % chip->ply_size));
 478        spin_unlock_irq(&chip->reg_lock);
 479        return 0;
 480}
 481
 482static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 483{
 484        struct fm801 *chip = snd_pcm_substream_chip(substream);
 485        struct snd_pcm_runtime *runtime = substream->runtime;
 486
 487        chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 488        chip->cap_count = snd_pcm_lib_period_bytes(substream);
 489        spin_lock_irq(&chip->reg_lock);
 490        chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 491                             FM801_STEREO | FM801_RATE_MASK);
 492        if (snd_pcm_format_width(runtime->format) == 16)
 493                chip->cap_ctrl |= FM801_16BIT;
 494        if (runtime->channels > 1)
 495                chip->cap_ctrl |= FM801_STEREO;
 496        chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 497        chip->cap_buf = 0;
 498        fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
 499        fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
 500        chip->cap_buffer = runtime->dma_addr;
 501        chip->cap_pos = 0;
 502        fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
 503        fm801_writel(chip, CAP_BUF2,
 504                     chip->cap_buffer + (chip->cap_count % chip->cap_size));
 505        spin_unlock_irq(&chip->reg_lock);
 506        return 0;
 507}
 508
 509static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 510{
 511        struct fm801 *chip = snd_pcm_substream_chip(substream);
 512        size_t ptr;
 513
 514        if (!(chip->ply_ctrl & FM801_START))
 515                return 0;
 516        spin_lock(&chip->reg_lock);
 517        ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
 518        if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
 519                ptr += chip->ply_count;
 520                ptr %= chip->ply_size;
 521        }
 522        spin_unlock(&chip->reg_lock);
 523        return bytes_to_frames(substream->runtime, ptr);
 524}
 525
 526static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 527{
 528        struct fm801 *chip = snd_pcm_substream_chip(substream);
 529        size_t ptr;
 530
 531        if (!(chip->cap_ctrl & FM801_START))
 532                return 0;
 533        spin_lock(&chip->reg_lock);
 534        ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
 535        if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
 536                ptr += chip->cap_count;
 537                ptr %= chip->cap_size;
 538        }
 539        spin_unlock(&chip->reg_lock);
 540        return bytes_to_frames(substream->runtime, ptr);
 541}
 542
 543static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 544{
 545        struct fm801 *chip = dev_id;
 546        unsigned short status;
 547        unsigned int tmp;
 548
 549        status = fm801_readw(chip, IRQ_STATUS);
 550        status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 551        if (! status)
 552                return IRQ_NONE;
 553        /* ack first */
 554        fm801_writew(chip, IRQ_STATUS, status);
 555        if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 556                spin_lock(&chip->reg_lock);
 557                chip->ply_buf++;
 558                chip->ply_pos += chip->ply_count;
 559                chip->ply_pos %= chip->ply_size;
 560                tmp = chip->ply_pos + chip->ply_count;
 561                tmp %= chip->ply_size;
 562                if (chip->ply_buf & 1)
 563                        fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
 564                else
 565                        fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
 566                spin_unlock(&chip->reg_lock);
 567                snd_pcm_period_elapsed(chip->playback_substream);
 568        }
 569        if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 570                spin_lock(&chip->reg_lock);
 571                chip->cap_buf++;
 572                chip->cap_pos += chip->cap_count;
 573                chip->cap_pos %= chip->cap_size;
 574                tmp = chip->cap_pos + chip->cap_count;
 575                tmp %= chip->cap_size;
 576                if (chip->cap_buf & 1)
 577                        fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
 578                else
 579                        fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
 580                spin_unlock(&chip->reg_lock);
 581                snd_pcm_period_elapsed(chip->capture_substream);
 582        }
 583        if (chip->rmidi && (status & FM801_IRQ_MPU))
 584                snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 585        if (status & FM801_IRQ_VOLUME) {
 586                /* TODO */
 587        }
 588
 589        return IRQ_HANDLED;
 590}
 591
 592static const struct snd_pcm_hardware snd_fm801_playback =
 593{
 594        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 595                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 596                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 597                                 SNDRV_PCM_INFO_MMAP_VALID),
 598        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 599        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 600        .rate_min =             5500,
 601        .rate_max =             48000,
 602        .channels_min =         1,
 603        .channels_max =         2,
 604        .buffer_bytes_max =     (128*1024),
 605        .period_bytes_min =     64,
 606        .period_bytes_max =     (128*1024),
 607        .periods_min =          1,
 608        .periods_max =          1024,
 609        .fifo_size =            0,
 610};
 611
 612static const struct snd_pcm_hardware snd_fm801_capture =
 613{
 614        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 615                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 616                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 617                                 SNDRV_PCM_INFO_MMAP_VALID),
 618        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 619        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 620        .rate_min =             5500,
 621        .rate_max =             48000,
 622        .channels_min =         1,
 623        .channels_max =         2,
 624        .buffer_bytes_max =     (128*1024),
 625        .period_bytes_min =     64,
 626        .period_bytes_max =     (128*1024),
 627        .periods_min =          1,
 628        .periods_max =          1024,
 629        .fifo_size =            0,
 630};
 631
 632static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 633{
 634        struct fm801 *chip = snd_pcm_substream_chip(substream);
 635        struct snd_pcm_runtime *runtime = substream->runtime;
 636        int err;
 637
 638        chip->playback_substream = substream;
 639        runtime->hw = snd_fm801_playback;
 640        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 641                                   &hw_constraints_rates);
 642        if (chip->multichannel) {
 643                runtime->hw.channels_max = 6;
 644                snd_pcm_hw_constraint_list(runtime, 0,
 645                                           SNDRV_PCM_HW_PARAM_CHANNELS,
 646                                           &hw_constraints_channels);
 647        }
 648        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 649                return err;
 650        return 0;
 651}
 652
 653static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 654{
 655        struct fm801 *chip = snd_pcm_substream_chip(substream);
 656        struct snd_pcm_runtime *runtime = substream->runtime;
 657        int err;
 658
 659        chip->capture_substream = substream;
 660        runtime->hw = snd_fm801_capture;
 661        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 662                                   &hw_constraints_rates);
 663        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 664                return err;
 665        return 0;
 666}
 667
 668static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 669{
 670        struct fm801 *chip = snd_pcm_substream_chip(substream);
 671
 672        chip->playback_substream = NULL;
 673        return 0;
 674}
 675
 676static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 677{
 678        struct fm801 *chip = snd_pcm_substream_chip(substream);
 679
 680        chip->capture_substream = NULL;
 681        return 0;
 682}
 683
 684static const struct snd_pcm_ops snd_fm801_playback_ops = {
 685        .open =         snd_fm801_playback_open,
 686        .close =        snd_fm801_playback_close,
 687        .ioctl =        snd_pcm_lib_ioctl,
 688        .hw_params =    snd_fm801_hw_params,
 689        .hw_free =      snd_fm801_hw_free,
 690        .prepare =      snd_fm801_playback_prepare,
 691        .trigger =      snd_fm801_playback_trigger,
 692        .pointer =      snd_fm801_playback_pointer,
 693};
 694
 695static const struct snd_pcm_ops snd_fm801_capture_ops = {
 696        .open =         snd_fm801_capture_open,
 697        .close =        snd_fm801_capture_close,
 698        .ioctl =        snd_pcm_lib_ioctl,
 699        .hw_params =    snd_fm801_hw_params,
 700        .hw_free =      snd_fm801_hw_free,
 701        .prepare =      snd_fm801_capture_prepare,
 702        .trigger =      snd_fm801_capture_trigger,
 703        .pointer =      snd_fm801_capture_pointer,
 704};
 705
 706static int snd_fm801_pcm(struct fm801 *chip, int device)
 707{
 708        struct pci_dev *pdev = to_pci_dev(chip->dev);
 709        struct snd_pcm *pcm;
 710        int err;
 711
 712        if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 713                return err;
 714
 715        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 716        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 717
 718        pcm->private_data = chip;
 719        pcm->info_flags = 0;
 720        strcpy(pcm->name, "FM801");
 721        chip->pcm = pcm;
 722
 723        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 724                                              snd_dma_pci_data(pdev),
 725                                              chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 726
 727        return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 728                                     snd_pcm_alt_chmaps,
 729                                     chip->multichannel ? 6 : 2, 0,
 730                                     NULL);
 731}
 732
 733/*
 734 *  TEA5757 radio
 735 */
 736
 737#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 738
 739/* GPIO to TEA575x maps */
 740struct snd_fm801_tea575x_gpio {
 741        u8 data, clk, wren, most;
 742        char *name;
 743};
 744
 745static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 746        { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 747        { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 748        { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 749};
 750
 751#define get_tea575x_gpio(chip) \
 752        (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 753
 754static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 755{
 756        struct fm801 *chip = tea->private_data;
 757        unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 758        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 759
 760        reg &= ~(FM801_GPIO_GP(gpio.data) |
 761                 FM801_GPIO_GP(gpio.clk) |
 762                 FM801_GPIO_GP(gpio.wren));
 763
 764        reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 765        reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 766        /* WRITE_ENABLE is inverted */
 767        reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 768
 769        fm801_writew(chip, GPIO_CTRL, reg);
 770}
 771
 772static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 773{
 774        struct fm801 *chip = tea->private_data;
 775        unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 776        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 777        u8 ret;
 778
 779        ret = 0;
 780        if (reg & FM801_GPIO_GP(gpio.data))
 781                ret |= TEA575X_DATA;
 782        if (reg & FM801_GPIO_GP(gpio.most))
 783                ret |= TEA575X_MOST;
 784        return ret;
 785}
 786
 787static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 788{
 789        struct fm801 *chip = tea->private_data;
 790        unsigned short reg = fm801_readw(chip, GPIO_CTRL);
 791        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 792
 793        /* use GPIO lines and set write enable bit */
 794        reg |= FM801_GPIO_GS(gpio.data) |
 795               FM801_GPIO_GS(gpio.wren) |
 796               FM801_GPIO_GS(gpio.clk) |
 797               FM801_GPIO_GS(gpio.most);
 798        if (output) {
 799                /* all of lines are in the write direction */
 800                /* clear data and clock lines */
 801                reg &= ~(FM801_GPIO_GD(gpio.data) |
 802                         FM801_GPIO_GD(gpio.wren) |
 803                         FM801_GPIO_GD(gpio.clk) |
 804                         FM801_GPIO_GP(gpio.data) |
 805                         FM801_GPIO_GP(gpio.clk) |
 806                         FM801_GPIO_GP(gpio.wren));
 807        } else {
 808                /* use GPIO lines, set data direction to input */
 809                reg |= FM801_GPIO_GD(gpio.data) |
 810                       FM801_GPIO_GD(gpio.most) |
 811                       FM801_GPIO_GP(gpio.data) |
 812                       FM801_GPIO_GP(gpio.most) |
 813                       FM801_GPIO_GP(gpio.wren);
 814                /* all of lines are in the write direction, except data */
 815                /* clear data, write enable and clock lines */
 816                reg &= ~(FM801_GPIO_GD(gpio.wren) |
 817                         FM801_GPIO_GD(gpio.clk) |
 818                         FM801_GPIO_GP(gpio.clk));
 819        }
 820
 821        fm801_writew(chip, GPIO_CTRL, reg);
 822}
 823
 824static const struct snd_tea575x_ops snd_fm801_tea_ops = {
 825        .set_pins = snd_fm801_tea575x_set_pins,
 826        .get_pins = snd_fm801_tea575x_get_pins,
 827        .set_direction = snd_fm801_tea575x_set_direction,
 828};
 829#endif
 830
 831/*
 832 *  Mixer routines
 833 */
 834
 835#define FM801_SINGLE(xname, reg, shift, mask, invert) \
 836{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 837  .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 838  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 839
 840static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 841                                 struct snd_ctl_elem_info *uinfo)
 842{
 843        int mask = (kcontrol->private_value >> 16) & 0xff;
 844
 845        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 846        uinfo->count = 1;
 847        uinfo->value.integer.min = 0;
 848        uinfo->value.integer.max = mask;
 849        return 0;
 850}
 851
 852static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 853                                struct snd_ctl_elem_value *ucontrol)
 854{
 855        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 856        int reg = kcontrol->private_value & 0xff;
 857        int shift = (kcontrol->private_value >> 8) & 0xff;
 858        int mask = (kcontrol->private_value >> 16) & 0xff;
 859        int invert = (kcontrol->private_value >> 24) & 0xff;
 860        long *value = ucontrol->value.integer.value;
 861
 862        value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
 863        if (invert)
 864                value[0] = mask - value[0];
 865        return 0;
 866}
 867
 868static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 869                                struct snd_ctl_elem_value *ucontrol)
 870{
 871        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 872        int reg = kcontrol->private_value & 0xff;
 873        int shift = (kcontrol->private_value >> 8) & 0xff;
 874        int mask = (kcontrol->private_value >> 16) & 0xff;
 875        int invert = (kcontrol->private_value >> 24) & 0xff;
 876        unsigned short val;
 877
 878        val = (ucontrol->value.integer.value[0] & mask);
 879        if (invert)
 880                val = mask - val;
 881        return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 882}
 883
 884#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 885{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 886  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 887  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 888#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 889{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 890  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 891  .name = xname, .info = snd_fm801_info_double, \
 892  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 893  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 894  .tlv = { .p = (xtlv) } }
 895
 896static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 897                                 struct snd_ctl_elem_info *uinfo)
 898{
 899        int mask = (kcontrol->private_value >> 16) & 0xff;
 900
 901        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 902        uinfo->count = 2;
 903        uinfo->value.integer.min = 0;
 904        uinfo->value.integer.max = mask;
 905        return 0;
 906}
 907
 908static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 909                                struct snd_ctl_elem_value *ucontrol)
 910{
 911        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 912        int reg = kcontrol->private_value & 0xff;
 913        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 914        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 915        int mask = (kcontrol->private_value >> 16) & 0xff;
 916        int invert = (kcontrol->private_value >> 24) & 0xff;
 917        long *value = ucontrol->value.integer.value;
 918
 919        spin_lock_irq(&chip->reg_lock);
 920        value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
 921        value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
 922        spin_unlock_irq(&chip->reg_lock);
 923        if (invert) {
 924                value[0] = mask - value[0];
 925                value[1] = mask - value[1];
 926        }
 927        return 0;
 928}
 929
 930static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 931                                struct snd_ctl_elem_value *ucontrol)
 932{
 933        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 934        int reg = kcontrol->private_value & 0xff;
 935        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 936        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 937        int mask = (kcontrol->private_value >> 16) & 0xff;
 938        int invert = (kcontrol->private_value >> 24) & 0xff;
 939        unsigned short val1, val2;
 940 
 941        val1 = ucontrol->value.integer.value[0] & mask;
 942        val2 = ucontrol->value.integer.value[1] & mask;
 943        if (invert) {
 944                val1 = mask - val1;
 945                val2 = mask - val2;
 946        }
 947        return snd_fm801_update_bits(chip, reg,
 948                                     (mask << shift_left) | (mask << shift_right),
 949                                     (val1 << shift_left ) | (val2 << shift_right));
 950}
 951
 952static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 953                              struct snd_ctl_elem_info *uinfo)
 954{
 955        static const char * const texts[5] = {
 956                "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 957        };
 958 
 959        return snd_ctl_enum_info(uinfo, 1, 5, texts);
 960}
 961
 962static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 963                             struct snd_ctl_elem_value *ucontrol)
 964{
 965        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 966        unsigned short val;
 967 
 968        val = fm801_readw(chip, REC_SRC) & 7;
 969        if (val > 4)
 970                val = 4;
 971        ucontrol->value.enumerated.item[0] = val;
 972        return 0;
 973}
 974
 975static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 976                             struct snd_ctl_elem_value *ucontrol)
 977{
 978        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 979        unsigned short val;
 980 
 981        if ((val = ucontrol->value.enumerated.item[0]) > 4)
 982                return -EINVAL;
 983        return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 984}
 985
 986static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 987
 988#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 989
 990static struct snd_kcontrol_new snd_fm801_controls[] = {
 991FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
 992                 db_scale_dsp),
 993FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
 994FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
 995                 db_scale_dsp),
 996FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
 997FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
 998                 db_scale_dsp),
 999FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1000{
1001        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1002        .name = "Digital Capture Source",
1003        .info = snd_fm801_info_mux,
1004        .get = snd_fm801_get_mux,
1005        .put = snd_fm801_put_mux,
1006}
1007};
1008
1009#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1010
1011static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1012FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1013FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1014FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1015FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1016FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1017FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1018};
1019
1020static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1021{
1022        struct fm801 *chip = bus->private_data;
1023        chip->ac97_bus = NULL;
1024}
1025
1026static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1027{
1028        struct fm801 *chip = ac97->private_data;
1029        if (ac97->num == 0) {
1030                chip->ac97 = NULL;
1031        } else {
1032                chip->ac97_sec = NULL;
1033        }
1034}
1035
1036static int snd_fm801_mixer(struct fm801 *chip)
1037{
1038        struct snd_ac97_template ac97;
1039        unsigned int i;
1040        int err;
1041        static struct snd_ac97_bus_ops ops = {
1042                .write = snd_fm801_codec_write,
1043                .read = snd_fm801_codec_read,
1044        };
1045
1046        if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1047                return err;
1048        chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1049
1050        memset(&ac97, 0, sizeof(ac97));
1051        ac97.private_data = chip;
1052        ac97.private_free = snd_fm801_mixer_free_ac97;
1053        if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1054                return err;
1055        if (chip->secondary) {
1056                ac97.num = 1;
1057                ac97.addr = chip->secondary_addr;
1058                if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1059                        return err;
1060        }
1061        for (i = 0; i < FM801_CONTROLS; i++) {
1062                err = snd_ctl_add(chip->card,
1063                        snd_ctl_new1(&snd_fm801_controls[i], chip));
1064                if (err < 0)
1065                        return err;
1066        }
1067        if (chip->multichannel) {
1068                for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1069                        err = snd_ctl_add(chip->card,
1070                                snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1071                        if (err < 0)
1072                                return err;
1073                }
1074        }
1075        return 0;
1076}
1077
1078/*
1079 *  initialization routines
1080 */
1081
1082static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1083                          unsigned short reg, unsigned long waits)
1084{
1085        unsigned long timeout = jiffies + waits;
1086
1087        fm801_writew(chip, AC97_CMD,
1088                     reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1089        udelay(5);
1090        do {
1091                if ((fm801_readw(chip, AC97_CMD) &
1092                     (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1093                        return 0;
1094                schedule_timeout_uninterruptible(1);
1095        } while (time_after(timeout, jiffies));
1096        return -EIO;
1097}
1098
1099static int reset_codec(struct fm801 *chip)
1100{
1101        /* codec cold reset + AC'97 warm reset */
1102        fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1103        fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1104        udelay(100);
1105        fm801_writew(chip, CODEC_CTRL, 0);
1106
1107        return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1108}
1109
1110static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1111{
1112        unsigned short cmdw;
1113
1114        if (chip->multichannel) {
1115                if (chip->secondary_addr) {
1116                        wait_for_codec(chip, chip->secondary_addr,
1117                                       AC97_VENDOR_ID1, msecs_to_jiffies(50));
1118                } else {
1119                        /* my card has the secondary codec */
1120                        /* at address #3, so the loop is inverted */
1121                        int i;
1122                        for (i = 3; i > 0; i--) {
1123                                if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1124                                                     msecs_to_jiffies(50))) {
1125                                        cmdw = fm801_readw(chip, AC97_DATA);
1126                                        if (cmdw != 0xffff && cmdw != 0) {
1127                                                chip->secondary = 1;
1128                                                chip->secondary_addr = i;
1129                                                break;
1130                                        }
1131                                }
1132                        }
1133                }
1134
1135                /* the recovery phase, it seems that probing for non-existing codec might */
1136                /* cause timeout problems */
1137                wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1138        }
1139}
1140
1141static void snd_fm801_chip_init(struct fm801 *chip)
1142{
1143        unsigned short cmdw;
1144
1145        /* init volume */
1146        fm801_writew(chip, PCM_VOL, 0x0808);
1147        fm801_writew(chip, FM_VOL, 0x9f1f);
1148        fm801_writew(chip, I2S_VOL, 0x8808);
1149
1150        /* I2S control - I2S mode */
1151        fm801_writew(chip, I2S_MODE, 0x0003);
1152
1153        /* interrupt setup */
1154        cmdw = fm801_readw(chip, IRQ_MASK);
1155        if (chip->irq < 0)
1156                cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1157        else
1158                cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1159        fm801_writew(chip, IRQ_MASK, cmdw);
1160
1161        /* interrupt clear */
1162        fm801_writew(chip, IRQ_STATUS,
1163                     FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1164}
1165
1166static int snd_fm801_free(struct fm801 *chip)
1167{
1168        unsigned short cmdw;
1169
1170        if (chip->irq < 0)
1171                goto __end_hw;
1172
1173        /* interrupt setup - mask everything */
1174        cmdw = fm801_readw(chip, IRQ_MASK);
1175        cmdw |= 0x00c3;
1176        fm801_writew(chip, IRQ_MASK, cmdw);
1177
1178        devm_free_irq(chip->dev, chip->irq, chip);
1179
1180      __end_hw:
1181#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1182        if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1183                snd_tea575x_exit(&chip->tea);
1184                v4l2_device_unregister(&chip->v4l2_dev);
1185        }
1186#endif
1187        return 0;
1188}
1189
1190static int snd_fm801_dev_free(struct snd_device *device)
1191{
1192        struct fm801 *chip = device->device_data;
1193        return snd_fm801_free(chip);
1194}
1195
1196static int snd_fm801_create(struct snd_card *card,
1197                            struct pci_dev *pci,
1198                            int tea575x_tuner,
1199                            int radio_nr,
1200                            struct fm801 **rchip)
1201{
1202        struct fm801 *chip;
1203        int err;
1204        static struct snd_device_ops ops = {
1205                .dev_free =     snd_fm801_dev_free,
1206        };
1207
1208        *rchip = NULL;
1209        if ((err = pcim_enable_device(pci)) < 0)
1210                return err;
1211        chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1212        if (chip == NULL)
1213                return -ENOMEM;
1214        spin_lock_init(&chip->reg_lock);
1215        chip->card = card;
1216        chip->dev = &pci->dev;
1217        chip->irq = -1;
1218        chip->tea575x_tuner = tea575x_tuner;
1219        if ((err = pci_request_regions(pci, "FM801")) < 0)
1220                return err;
1221        chip->port = pci_resource_start(pci, 0);
1222
1223        if (pci->revision >= 0xb1)      /* FM801-AU */
1224                chip->multichannel = 1;
1225
1226        if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1227                if (reset_codec(chip) < 0) {
1228                        dev_info(chip->card->dev,
1229                                 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1230                        chip->tea575x_tuner = 3 | TUNER_ONLY;
1231                } else {
1232                        snd_fm801_chip_multichannel_init(chip);
1233                }
1234        }
1235
1236        if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1237                if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1238                                IRQF_SHARED, KBUILD_MODNAME, chip)) {
1239                        dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1240                        snd_fm801_free(chip);
1241                        return -EBUSY;
1242                }
1243                chip->irq = pci->irq;
1244                pci_set_master(pci);
1245        }
1246
1247        snd_fm801_chip_init(chip);
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#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1255        err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1256        if (err < 0) {
1257                snd_fm801_free(chip);
1258                return err;
1259        }
1260        chip->tea.v4l2_dev = &chip->v4l2_dev;
1261        chip->tea.radio_nr = radio_nr;
1262        chip->tea.private_data = chip;
1263        chip->tea.ops = &snd_fm801_tea_ops;
1264        sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1265        if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1266            (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1267                if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1268                        dev_err(card->dev, "TEA575x radio not found\n");
1269                        snd_fm801_free(chip);
1270                        return -ENODEV;
1271                }
1272        } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1273                unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1274
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                                dev_info(card->dev,
1280                                         "detected TEA575x radio type %s\n",
1281                                           get_tea575x_gpio(chip)->name);
1282                                break;
1283                        }
1284                }
1285                if (tea575x_tuner == 4) {
1286                        dev_err(card->dev, "TEA575x radio not found\n");
1287                        chip->tea575x_tuner = TUNER_DISABLED;
1288                }
1289
1290                chip->tea575x_tuner |= tuner_only;
1291        }
1292        if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1293                strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1294                        sizeof(chip->tea.card));
1295        }
1296#endif
1297
1298        *rchip = chip;
1299        return 0;
1300}
1301
1302static int snd_card_fm801_probe(struct pci_dev *pci,
1303                                const struct pci_device_id *pci_id)
1304{
1305        static int dev;
1306        struct snd_card *card;
1307        struct fm801 *chip;
1308        struct snd_opl3 *opl3;
1309        int err;
1310
1311        if (dev >= SNDRV_CARDS)
1312                return -ENODEV;
1313        if (!enable[dev]) {
1314                dev++;
1315                return -ENOENT;
1316        }
1317
1318        err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1319                           0, &card);
1320        if (err < 0)
1321                return err;
1322        if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1323                snd_card_free(card);
1324                return err;
1325        }
1326        card->private_data = chip;
1327
1328        strcpy(card->driver, "FM801");
1329        strcpy(card->shortname, "ForteMedia FM801-");
1330        strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1331        sprintf(card->longname, "%s at 0x%lx, irq %i",
1332                card->shortname, chip->port, chip->irq);
1333
1334        if (chip->tea575x_tuner & TUNER_ONLY)
1335                goto __fm801_tuner_only;
1336
1337        if ((err = snd_fm801_pcm(chip, 0)) < 0) {
1338                snd_card_free(card);
1339                return err;
1340        }
1341        if ((err = snd_fm801_mixer(chip)) < 0) {
1342                snd_card_free(card);
1343                return err;
1344        }
1345        if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1346                                       chip->port + FM801_MPU401_DATA,
1347                                       MPU401_INFO_INTEGRATED |
1348                                       MPU401_INFO_IRQ_HOOK,
1349                                       -1, &chip->rmidi)) < 0) {
1350                snd_card_free(card);
1351                return err;
1352        }
1353        if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1354                                   chip->port + FM801_OPL3_BANK1,
1355                                   OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1356                snd_card_free(card);
1357                return err;
1358        }
1359        if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1360                snd_card_free(card);
1361                return err;
1362        }
1363
1364      __fm801_tuner_only:
1365        if ((err = snd_card_register(card)) < 0) {
1366                snd_card_free(card);
1367                return err;
1368        }
1369        pci_set_drvdata(pci, card);
1370        dev++;
1371        return 0;
1372}
1373
1374static void snd_card_fm801_remove(struct pci_dev *pci)
1375{
1376        snd_card_free(pci_get_drvdata(pci));
1377}
1378
1379#ifdef CONFIG_PM_SLEEP
1380static unsigned char saved_regs[] = {
1381        FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1382        FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1383        FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1384        FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1385};
1386
1387static int snd_fm801_suspend(struct device *dev)
1388{
1389        struct snd_card *card = dev_get_drvdata(dev);
1390        struct fm801 *chip = card->private_data;
1391        int i;
1392
1393        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1394
1395        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1396                chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1397
1398        if (chip->tea575x_tuner & TUNER_ONLY) {
1399                /* FIXME: tea575x suspend */
1400        } else {
1401                snd_ac97_suspend(chip->ac97);
1402                snd_ac97_suspend(chip->ac97_sec);
1403        }
1404
1405        return 0;
1406}
1407
1408static int snd_fm801_resume(struct device *dev)
1409{
1410        struct snd_card *card = dev_get_drvdata(dev);
1411        struct fm801 *chip = card->private_data;
1412        int i;
1413
1414        if (chip->tea575x_tuner & TUNER_ONLY) {
1415                snd_fm801_chip_init(chip);
1416        } else {
1417                reset_codec(chip);
1418                snd_fm801_chip_multichannel_init(chip);
1419                snd_fm801_chip_init(chip);
1420                snd_ac97_resume(chip->ac97);
1421                snd_ac97_resume(chip->ac97_sec);
1422        }
1423
1424        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1425                fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1426
1427#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1428        if (!(chip->tea575x_tuner & TUNER_DISABLED))
1429                snd_tea575x_set_freq(&chip->tea);
1430#endif
1431
1432        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1433        return 0;
1434}
1435
1436static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1437#define SND_FM801_PM_OPS        &snd_fm801_pm
1438#else
1439#define SND_FM801_PM_OPS        NULL
1440#endif /* CONFIG_PM_SLEEP */
1441
1442static struct pci_driver fm801_driver = {
1443        .name = KBUILD_MODNAME,
1444        .id_table = snd_fm801_ids,
1445        .probe = snd_card_fm801_probe,
1446        .remove = snd_card_fm801_remove,
1447        .driver = {
1448                .pm = SND_FM801_PM_OPS,
1449        },
1450};
1451
1452module_pci_driver(fm801_driver);
1453