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];
  61
  62module_param_array(index, int, NULL, 0444);
  63MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
  64module_param_array(id, charp, NULL, 0444);
  65MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
  66module_param_array(enable, bool, NULL, 0444);
  67MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
  68module_param_array(tea575x_tuner, int, NULL, 0444);
  69MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
  70
  71#define TUNER_DISABLED          (1<<3)
  72#define TUNER_ONLY              (1<<4)
  73#define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
  74
  75/*
  76 *  Direct registers
  77 */
  78
  79#define FM801_REG(chip, reg)    (chip->port + FM801_##reg)
  80
  81#define FM801_PCM_VOL           0x00    /* PCM Output Volume */
  82#define FM801_FM_VOL            0x02    /* FM Output Volume */
  83#define FM801_I2S_VOL           0x04    /* I2S Volume */
  84#define FM801_REC_SRC           0x06    /* Record Source */
  85#define FM801_PLY_CTRL          0x08    /* Playback Control */
  86#define FM801_PLY_COUNT         0x0a    /* Playback Count */
  87#define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
  88#define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
  89#define FM801_CAP_CTRL          0x14    /* Capture Control */
  90#define FM801_CAP_COUNT         0x16    /* Capture Count */
  91#define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
  92#define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
  93#define FM801_CODEC_CTRL        0x22    /* Codec Control */
  94#define FM801_I2S_MODE          0x24    /* I2S Mode Control */
  95#define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
  96#define FM801_I2C_CTRL          0x29    /* I2C Control */
  97#define FM801_AC97_CMD          0x2a    /* AC'97 Command */
  98#define FM801_AC97_DATA         0x2c    /* AC'97 Data */
  99#define FM801_MPU401_DATA       0x30    /* MPU401 Data */
 100#define FM801_MPU401_CMD        0x31    /* MPU401 Command */
 101#define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
 102#define FM801_GEN_CTRL          0x54    /* General Control */
 103#define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
 104#define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
 105#define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
 106#define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
 107#define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
 108#define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
 109#define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
 110
 111/* codec access */
 112#define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
 113#define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
 114#define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
 115#define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
 116
 117/* playback and record control register bits */
 118#define FM801_BUF1_LAST         (1<<1)
 119#define FM801_BUF2_LAST         (1<<2)
 120#define FM801_START             (1<<5)
 121#define FM801_PAUSE             (1<<6)
 122#define FM801_IMMED_STOP        (1<<7)
 123#define FM801_RATE_SHIFT        8
 124#define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
 125#define FM801_CHANNELS_4        (1<<12) /* playback only */
 126#define FM801_CHANNELS_6        (2<<12) /* playback only */
 127#define FM801_CHANNELS_6MS      (3<<12) /* playback only */
 128#define FM801_CHANNELS_MASK     (3<<12)
 129#define FM801_16BIT             (1<<14)
 130#define FM801_STEREO            (1<<15)
 131
 132/* IRQ status bits */
 133#define FM801_IRQ_PLAYBACK      (1<<8)
 134#define FM801_IRQ_CAPTURE       (1<<9)
 135#define FM801_IRQ_VOLUME        (1<<14)
 136#define FM801_IRQ_MPU           (1<<15)
 137
 138/* GPIO control register */
 139#define FM801_GPIO_GP0          (1<<0)  /* read/write */
 140#define FM801_GPIO_GP1          (1<<1)
 141#define FM801_GPIO_GP2          (1<<2)
 142#define FM801_GPIO_GP3          (1<<3)
 143#define FM801_GPIO_GP(x)        (1<<(0+(x)))
 144#define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
 145#define FM801_GPIO_GD1          (1<<9)
 146#define FM801_GPIO_GD2          (1<<10)
 147#define FM801_GPIO_GD3          (1<<11)
 148#define FM801_GPIO_GD(x)        (1<<(8+(x)))
 149#define FM801_GPIO_GS0          (1<<12) /* function select: */
 150#define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
 151#define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
 152#define FM801_GPIO_GS3          (1<<15)
 153#define FM801_GPIO_GS(x)        (1<<(12+(x)))
 154        
 155/*
 156
 157 */
 158
 159struct fm801 {
 160        int irq;
 161
 162        unsigned long port;     /* I/O port number */
 163        unsigned int multichannel: 1,   /* multichannel support */
 164                     secondary: 1;      /* secondary codec */
 165        unsigned char secondary_addr;   /* address of the secondary codec */
 166        unsigned int tea575x_tuner;     /* tuner access method & flags */
 167
 168        unsigned short ply_ctrl; /* playback control */
 169        unsigned short cap_ctrl; /* capture control */
 170
 171        unsigned long ply_buffer;
 172        unsigned int ply_buf;
 173        unsigned int ply_count;
 174        unsigned int ply_size;
 175        unsigned int ply_pos;
 176
 177        unsigned long cap_buffer;
 178        unsigned int cap_buf;
 179        unsigned int cap_count;
 180        unsigned int cap_size;
 181        unsigned int cap_pos;
 182
 183        struct snd_ac97_bus *ac97_bus;
 184        struct snd_ac97 *ac97;
 185        struct snd_ac97 *ac97_sec;
 186
 187        struct pci_dev *pci;
 188        struct snd_card *card;
 189        struct snd_pcm *pcm;
 190        struct snd_rawmidi *rmidi;
 191        struct snd_pcm_substream *playback_substream;
 192        struct snd_pcm_substream *capture_substream;
 193        unsigned int p_dma_size;
 194        unsigned int c_dma_size;
 195
 196        spinlock_t reg_lock;
 197        struct snd_info_entry *proc_entry;
 198
 199#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 200        struct snd_tea575x tea;
 201#endif
 202
 203#ifdef CONFIG_PM
 204        u16 saved_regs[0x20];
 205#endif
 206};
 207
 208static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
 209        { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
 210        { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
 211        { 0, }
 212};
 213
 214MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
 215
 216/*
 217 *  common I/O routines
 218 */
 219
 220static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
 221                                 unsigned short mask, unsigned short value)
 222{
 223        int change;
 224        unsigned long flags;
 225        unsigned short old, new;
 226
 227        spin_lock_irqsave(&chip->reg_lock, flags);
 228        old = inw(chip->port + reg);
 229        new = (old & ~mask) | value;
 230        change = old != new;
 231        if (change)
 232                outw(new, chip->port + reg);
 233        spin_unlock_irqrestore(&chip->reg_lock, flags);
 234        return change;
 235}
 236
 237static void snd_fm801_codec_write(struct snd_ac97 *ac97,
 238                                  unsigned short reg,
 239                                  unsigned short val)
 240{
 241        struct fm801 *chip = ac97->private_data;
 242        int idx;
 243
 244        /*
 245         *  Wait until the codec interface is not ready..
 246         */
 247        for (idx = 0; idx < 100; idx++) {
 248                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 249                        goto ok1;
 250                udelay(10);
 251        }
 252        snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 253        return;
 254
 255 ok1:
 256        /* write data and address */
 257        outw(val, FM801_REG(chip, AC97_DATA));
 258        outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
 259        /*
 260         *  Wait until the write command is not completed..
 261         */
 262        for (idx = 0; idx < 1000; idx++) {
 263                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 264                        return;
 265                udelay(10);
 266        }
 267        snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 268}
 269
 270static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 271{
 272        struct fm801 *chip = ac97->private_data;
 273        int idx;
 274
 275        /*
 276         *  Wait until the codec interface is not ready..
 277         */
 278        for (idx = 0; idx < 100; idx++) {
 279                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 280                        goto ok1;
 281                udelay(10);
 282        }
 283        snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
 284        return 0;
 285
 286 ok1:
 287        /* read command */
 288        outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
 289             FM801_REG(chip, AC97_CMD));
 290        for (idx = 0; idx < 100; idx++) {
 291                if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
 292                        goto ok2;
 293                udelay(10);
 294        }
 295        snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
 296        return 0;
 297
 298 ok2:
 299        for (idx = 0; idx < 1000; idx++) {
 300                if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
 301                        goto ok3;
 302                udelay(10);
 303        }
 304        snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num);
 305        return 0;
 306
 307 ok3:
 308        return inw(FM801_REG(chip, AC97_DATA));
 309}
 310
 311static unsigned int rates[] = {
 312  5500,  8000,  9600, 11025,
 313  16000, 19200, 22050, 32000,
 314  38400, 44100, 48000
 315};
 316
 317static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 318        .count = ARRAY_SIZE(rates),
 319        .list = rates,
 320        .mask = 0,
 321};
 322
 323static unsigned int channels[] = {
 324  2, 4, 6
 325};
 326
 327static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
 328        .count = ARRAY_SIZE(channels),
 329        .list = channels,
 330        .mask = 0,
 331};
 332
 333/*
 334 *  Sample rate routines
 335 */
 336
 337static unsigned short snd_fm801_rate_bits(unsigned int rate)
 338{
 339        unsigned int idx;
 340
 341        for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
 342                if (rates[idx] == rate)
 343                        return idx;
 344        snd_BUG();
 345        return ARRAY_SIZE(rates) - 1;
 346}
 347
 348/*
 349 *  PCM part
 350 */
 351
 352static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
 353                                      int cmd)
 354{
 355        struct fm801 *chip = snd_pcm_substream_chip(substream);
 356
 357        spin_lock(&chip->reg_lock);
 358        switch (cmd) {
 359        case SNDRV_PCM_TRIGGER_START:
 360                chip->ply_ctrl &= ~(FM801_BUF1_LAST |
 361                                     FM801_BUF2_LAST |
 362                                     FM801_PAUSE);
 363                chip->ply_ctrl |= FM801_START |
 364                                   FM801_IMMED_STOP;
 365                break;
 366        case SNDRV_PCM_TRIGGER_STOP:
 367                chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
 368                break;
 369        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 370        case SNDRV_PCM_TRIGGER_SUSPEND:
 371                chip->ply_ctrl |= FM801_PAUSE;
 372                break;
 373        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 374        case SNDRV_PCM_TRIGGER_RESUME:
 375                chip->ply_ctrl &= ~FM801_PAUSE;
 376                break;
 377        default:
 378                spin_unlock(&chip->reg_lock);
 379                snd_BUG();
 380                return -EINVAL;
 381        }
 382        outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 383        spin_unlock(&chip->reg_lock);
 384        return 0;
 385}
 386
 387static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 388                                     int cmd)
 389{
 390        struct fm801 *chip = snd_pcm_substream_chip(substream);
 391
 392        spin_lock(&chip->reg_lock);
 393        switch (cmd) {
 394        case SNDRV_PCM_TRIGGER_START:
 395                chip->cap_ctrl &= ~(FM801_BUF1_LAST |
 396                                     FM801_BUF2_LAST |
 397                                     FM801_PAUSE);
 398                chip->cap_ctrl |= FM801_START |
 399                                   FM801_IMMED_STOP;
 400                break;
 401        case SNDRV_PCM_TRIGGER_STOP:
 402                chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
 403                break;
 404        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 405        case SNDRV_PCM_TRIGGER_SUSPEND:
 406                chip->cap_ctrl |= FM801_PAUSE;
 407                break;
 408        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 409        case SNDRV_PCM_TRIGGER_RESUME:
 410                chip->cap_ctrl &= ~FM801_PAUSE;
 411                break;
 412        default:
 413                spin_unlock(&chip->reg_lock);
 414                snd_BUG();
 415                return -EINVAL;
 416        }
 417        outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 418        spin_unlock(&chip->reg_lock);
 419        return 0;
 420}
 421
 422static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
 423                               struct snd_pcm_hw_params *hw_params)
 424{
 425        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 426}
 427
 428static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
 429{
 430        return snd_pcm_lib_free_pages(substream);
 431}
 432
 433static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 434{
 435        struct fm801 *chip = snd_pcm_substream_chip(substream);
 436        struct snd_pcm_runtime *runtime = substream->runtime;
 437
 438        chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
 439        chip->ply_count = snd_pcm_lib_period_bytes(substream);
 440        spin_lock_irq(&chip->reg_lock);
 441        chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
 442                             FM801_STEREO | FM801_RATE_MASK |
 443                             FM801_CHANNELS_MASK);
 444        if (snd_pcm_format_width(runtime->format) == 16)
 445                chip->ply_ctrl |= FM801_16BIT;
 446        if (runtime->channels > 1) {
 447                chip->ply_ctrl |= FM801_STEREO;
 448                if (runtime->channels == 4)
 449                        chip->ply_ctrl |= FM801_CHANNELS_4;
 450                else if (runtime->channels == 6)
 451                        chip->ply_ctrl |= FM801_CHANNELS_6;
 452        }
 453        chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 454        chip->ply_buf = 0;
 455        outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
 456        outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
 457        chip->ply_buffer = runtime->dma_addr;
 458        chip->ply_pos = 0;
 459        outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
 460        outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
 461        spin_unlock_irq(&chip->reg_lock);
 462        return 0;
 463}
 464
 465static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
 466{
 467        struct fm801 *chip = snd_pcm_substream_chip(substream);
 468        struct snd_pcm_runtime *runtime = substream->runtime;
 469
 470        chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
 471        chip->cap_count = snd_pcm_lib_period_bytes(substream);
 472        spin_lock_irq(&chip->reg_lock);
 473        chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
 474                             FM801_STEREO | FM801_RATE_MASK);
 475        if (snd_pcm_format_width(runtime->format) == 16)
 476                chip->cap_ctrl |= FM801_16BIT;
 477        if (runtime->channels > 1)
 478                chip->cap_ctrl |= FM801_STEREO;
 479        chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
 480        chip->cap_buf = 0;
 481        outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
 482        outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
 483        chip->cap_buffer = runtime->dma_addr;
 484        chip->cap_pos = 0;
 485        outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
 486        outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
 487        spin_unlock_irq(&chip->reg_lock);
 488        return 0;
 489}
 490
 491static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
 492{
 493        struct fm801 *chip = snd_pcm_substream_chip(substream);
 494        size_t ptr;
 495
 496        if (!(chip->ply_ctrl & FM801_START))
 497                return 0;
 498        spin_lock(&chip->reg_lock);
 499        ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
 500        if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
 501                ptr += chip->ply_count;
 502                ptr %= chip->ply_size;
 503        }
 504        spin_unlock(&chip->reg_lock);
 505        return bytes_to_frames(substream->runtime, ptr);
 506}
 507
 508static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
 509{
 510        struct fm801 *chip = snd_pcm_substream_chip(substream);
 511        size_t ptr;
 512
 513        if (!(chip->cap_ctrl & FM801_START))
 514                return 0;
 515        spin_lock(&chip->reg_lock);
 516        ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
 517        if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
 518                ptr += chip->cap_count;
 519                ptr %= chip->cap_size;
 520        }
 521        spin_unlock(&chip->reg_lock);
 522        return bytes_to_frames(substream->runtime, ptr);
 523}
 524
 525static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
 526{
 527        struct fm801 *chip = dev_id;
 528        unsigned short status;
 529        unsigned int tmp;
 530
 531        status = inw(FM801_REG(chip, IRQ_STATUS));
 532        status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
 533        if (! status)
 534                return IRQ_NONE;
 535        /* ack first */
 536        outw(status, FM801_REG(chip, IRQ_STATUS));
 537        if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
 538                spin_lock(&chip->reg_lock);
 539                chip->ply_buf++;
 540                chip->ply_pos += chip->ply_count;
 541                chip->ply_pos %= chip->ply_size;
 542                tmp = chip->ply_pos + chip->ply_count;
 543                tmp %= chip->ply_size;
 544                outl(chip->ply_buffer + tmp,
 545                                (chip->ply_buf & 1) ?
 546                                        FM801_REG(chip, PLY_BUF1) :
 547                                        FM801_REG(chip, PLY_BUF2));
 548                spin_unlock(&chip->reg_lock);
 549                snd_pcm_period_elapsed(chip->playback_substream);
 550        }
 551        if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
 552                spin_lock(&chip->reg_lock);
 553                chip->cap_buf++;
 554                chip->cap_pos += chip->cap_count;
 555                chip->cap_pos %= chip->cap_size;
 556                tmp = chip->cap_pos + chip->cap_count;
 557                tmp %= chip->cap_size;
 558                outl(chip->cap_buffer + tmp,
 559                                (chip->cap_buf & 1) ?
 560                                        FM801_REG(chip, CAP_BUF1) :
 561                                        FM801_REG(chip, CAP_BUF2));
 562                spin_unlock(&chip->reg_lock);
 563                snd_pcm_period_elapsed(chip->capture_substream);
 564        }
 565        if (chip->rmidi && (status & FM801_IRQ_MPU))
 566                snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 567        if (status & FM801_IRQ_VOLUME)
 568                ;/* TODO */
 569
 570        return IRQ_HANDLED;
 571}
 572
 573static struct snd_pcm_hardware snd_fm801_playback =
 574{
 575        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 576                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 577                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 578                                 SNDRV_PCM_INFO_MMAP_VALID),
 579        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 580        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 581        .rate_min =             5500,
 582        .rate_max =             48000,
 583        .channels_min =         1,
 584        .channels_max =         2,
 585        .buffer_bytes_max =     (128*1024),
 586        .period_bytes_min =     64,
 587        .period_bytes_max =     (128*1024),
 588        .periods_min =          1,
 589        .periods_max =          1024,
 590        .fifo_size =            0,
 591};
 592
 593static struct snd_pcm_hardware snd_fm801_capture =
 594{
 595        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 596                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 597                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
 598                                 SNDRV_PCM_INFO_MMAP_VALID),
 599        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 600        .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
 601        .rate_min =             5500,
 602        .rate_max =             48000,
 603        .channels_min =         1,
 604        .channels_max =         2,
 605        .buffer_bytes_max =     (128*1024),
 606        .period_bytes_min =     64,
 607        .period_bytes_max =     (128*1024),
 608        .periods_min =          1,
 609        .periods_max =          1024,
 610        .fifo_size =            0,
 611};
 612
 613static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
 614{
 615        struct fm801 *chip = snd_pcm_substream_chip(substream);
 616        struct snd_pcm_runtime *runtime = substream->runtime;
 617        int err;
 618
 619        chip->playback_substream = substream;
 620        runtime->hw = snd_fm801_playback;
 621        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 622                                   &hw_constraints_rates);
 623        if (chip->multichannel) {
 624                runtime->hw.channels_max = 6;
 625                snd_pcm_hw_constraint_list(runtime, 0,
 626                                           SNDRV_PCM_HW_PARAM_CHANNELS,
 627                                           &hw_constraints_channels);
 628        }
 629        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 630                return err;
 631        return 0;
 632}
 633
 634static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
 635{
 636        struct fm801 *chip = snd_pcm_substream_chip(substream);
 637        struct snd_pcm_runtime *runtime = substream->runtime;
 638        int err;
 639
 640        chip->capture_substream = substream;
 641        runtime->hw = snd_fm801_capture;
 642        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 643                                   &hw_constraints_rates);
 644        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 645                return err;
 646        return 0;
 647}
 648
 649static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
 650{
 651        struct fm801 *chip = snd_pcm_substream_chip(substream);
 652
 653        chip->playback_substream = NULL;
 654        return 0;
 655}
 656
 657static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
 658{
 659        struct fm801 *chip = snd_pcm_substream_chip(substream);
 660
 661        chip->capture_substream = NULL;
 662        return 0;
 663}
 664
 665static struct snd_pcm_ops snd_fm801_playback_ops = {
 666        .open =         snd_fm801_playback_open,
 667        .close =        snd_fm801_playback_close,
 668        .ioctl =        snd_pcm_lib_ioctl,
 669        .hw_params =    snd_fm801_hw_params,
 670        .hw_free =      snd_fm801_hw_free,
 671        .prepare =      snd_fm801_playback_prepare,
 672        .trigger =      snd_fm801_playback_trigger,
 673        .pointer =      snd_fm801_playback_pointer,
 674};
 675
 676static struct snd_pcm_ops snd_fm801_capture_ops = {
 677        .open =         snd_fm801_capture_open,
 678        .close =        snd_fm801_capture_close,
 679        .ioctl =        snd_pcm_lib_ioctl,
 680        .hw_params =    snd_fm801_hw_params,
 681        .hw_free =      snd_fm801_hw_free,
 682        .prepare =      snd_fm801_capture_prepare,
 683        .trigger =      snd_fm801_capture_trigger,
 684        .pointer =      snd_fm801_capture_pointer,
 685};
 686
 687static int __devinit snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm ** rpcm)
 688{
 689        struct snd_pcm *pcm;
 690        int err;
 691
 692        if (rpcm)
 693                *rpcm = NULL;
 694        if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
 695                return err;
 696
 697        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
 698        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
 699
 700        pcm->private_data = chip;
 701        pcm->info_flags = 0;
 702        strcpy(pcm->name, "FM801");
 703        chip->pcm = pcm;
 704
 705        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 706                                              snd_dma_pci_data(chip->pci),
 707                                              chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 708
 709        if (rpcm)
 710                *rpcm = pcm;
 711        return 0;
 712}
 713
 714/*
 715 *  TEA5757 radio
 716 */
 717
 718#ifdef CONFIG_SND_FM801_TEA575X_BOOL
 719
 720/* GPIO to TEA575x maps */
 721struct snd_fm801_tea575x_gpio {
 722        u8 data, clk, wren, most;
 723        char *name;
 724};
 725
 726static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
 727        { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
 728        { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
 729        { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
 730};
 731
 732#define get_tea575x_gpio(chip) \
 733        (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
 734
 735static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
 736{
 737        struct fm801 *chip = tea->private_data;
 738        unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 739        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 740
 741        reg &= ~(FM801_GPIO_GP(gpio.data) |
 742                 FM801_GPIO_GP(gpio.clk) |
 743                 FM801_GPIO_GP(gpio.wren));
 744
 745        reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
 746        reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
 747        /* WRITE_ENABLE is inverted */
 748        reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
 749
 750        outw(reg, FM801_REG(chip, GPIO_CTRL));
 751}
 752
 753static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
 754{
 755        struct fm801 *chip = tea->private_data;
 756        unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 757        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 758
 759        return  (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 |
 760                (reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0;
 761}
 762
 763static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
 764{
 765        struct fm801 *chip = tea->private_data;
 766        unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
 767        struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
 768
 769        /* use GPIO lines and set write enable bit */
 770        reg |= FM801_GPIO_GS(gpio.data) |
 771               FM801_GPIO_GS(gpio.wren) |
 772               FM801_GPIO_GS(gpio.clk) |
 773               FM801_GPIO_GS(gpio.most);
 774        if (output) {
 775                /* all of lines are in the write direction */
 776                /* clear data and clock lines */
 777                reg &= ~(FM801_GPIO_GD(gpio.data) |
 778                         FM801_GPIO_GD(gpio.wren) |
 779                         FM801_GPIO_GD(gpio.clk) |
 780                         FM801_GPIO_GP(gpio.data) |
 781                         FM801_GPIO_GP(gpio.clk) |
 782                         FM801_GPIO_GP(gpio.wren));
 783        } else {
 784                /* use GPIO lines, set data direction to input */
 785                reg |= FM801_GPIO_GD(gpio.data) |
 786                       FM801_GPIO_GD(gpio.most) |
 787                       FM801_GPIO_GP(gpio.data) |
 788                       FM801_GPIO_GP(gpio.most) |
 789                       FM801_GPIO_GP(gpio.wren);
 790                /* all of lines are in the write direction, except data */
 791                /* clear data, write enable and clock lines */
 792                reg &= ~(FM801_GPIO_GD(gpio.wren) |
 793                         FM801_GPIO_GD(gpio.clk) |
 794                         FM801_GPIO_GP(gpio.clk));
 795        }
 796
 797        outw(reg, FM801_REG(chip, GPIO_CTRL));
 798}
 799
 800static struct snd_tea575x_ops snd_fm801_tea_ops = {
 801        .set_pins = snd_fm801_tea575x_set_pins,
 802        .get_pins = snd_fm801_tea575x_get_pins,
 803        .set_direction = snd_fm801_tea575x_set_direction,
 804};
 805#endif
 806
 807/*
 808 *  Mixer routines
 809 */
 810
 811#define FM801_SINGLE(xname, reg, shift, mask, invert) \
 812{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
 813  .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
 814  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 815
 816static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
 817                                 struct snd_ctl_elem_info *uinfo)
 818{
 819        int mask = (kcontrol->private_value >> 16) & 0xff;
 820
 821        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 822        uinfo->count = 1;
 823        uinfo->value.integer.min = 0;
 824        uinfo->value.integer.max = mask;
 825        return 0;
 826}
 827
 828static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
 829                                struct snd_ctl_elem_value *ucontrol)
 830{
 831        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 832        int reg = kcontrol->private_value & 0xff;
 833        int shift = (kcontrol->private_value >> 8) & 0xff;
 834        int mask = (kcontrol->private_value >> 16) & 0xff;
 835        int invert = (kcontrol->private_value >> 24) & 0xff;
 836
 837        ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
 838        if (invert)
 839                ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 840        return 0;
 841}
 842
 843static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
 844                                struct snd_ctl_elem_value *ucontrol)
 845{
 846        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 847        int reg = kcontrol->private_value & 0xff;
 848        int shift = (kcontrol->private_value >> 8) & 0xff;
 849        int mask = (kcontrol->private_value >> 16) & 0xff;
 850        int invert = (kcontrol->private_value >> 24) & 0xff;
 851        unsigned short val;
 852
 853        val = (ucontrol->value.integer.value[0] & mask);
 854        if (invert)
 855                val = mask - val;
 856        return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
 857}
 858
 859#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 860{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
 861  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 862  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
 863#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
 864{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 865  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 866  .name = xname, .info = snd_fm801_info_double, \
 867  .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
 868  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
 869  .tlv = { .p = (xtlv) } }
 870
 871static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
 872                                 struct snd_ctl_elem_info *uinfo)
 873{
 874        int mask = (kcontrol->private_value >> 16) & 0xff;
 875
 876        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 877        uinfo->count = 2;
 878        uinfo->value.integer.min = 0;
 879        uinfo->value.integer.max = mask;
 880        return 0;
 881}
 882
 883static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
 884                                struct snd_ctl_elem_value *ucontrol)
 885{
 886        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 887        int reg = kcontrol->private_value & 0xff;
 888        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 889        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 890        int mask = (kcontrol->private_value >> 16) & 0xff;
 891        int invert = (kcontrol->private_value >> 24) & 0xff;
 892
 893        spin_lock_irq(&chip->reg_lock);
 894        ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
 895        ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
 896        spin_unlock_irq(&chip->reg_lock);
 897        if (invert) {
 898                ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 899                ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 900        }
 901        return 0;
 902}
 903
 904static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
 905                                struct snd_ctl_elem_value *ucontrol)
 906{
 907        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 908        int reg = kcontrol->private_value & 0xff;
 909        int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 910        int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 911        int mask = (kcontrol->private_value >> 16) & 0xff;
 912        int invert = (kcontrol->private_value >> 24) & 0xff;
 913        unsigned short val1, val2;
 914 
 915        val1 = ucontrol->value.integer.value[0] & mask;
 916        val2 = ucontrol->value.integer.value[1] & mask;
 917        if (invert) {
 918                val1 = mask - val1;
 919                val2 = mask - val2;
 920        }
 921        return snd_fm801_update_bits(chip, reg,
 922                                     (mask << shift_left) | (mask << shift_right),
 923                                     (val1 << shift_left ) | (val2 << shift_right));
 924}
 925
 926static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
 927                              struct snd_ctl_elem_info *uinfo)
 928{
 929        static char *texts[5] = {
 930                "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
 931        };
 932 
 933        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 934        uinfo->count = 1;
 935        uinfo->value.enumerated.items = 5;
 936        if (uinfo->value.enumerated.item > 4)
 937                uinfo->value.enumerated.item = 4;
 938        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 939        return 0;
 940}
 941
 942static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
 943                             struct snd_ctl_elem_value *ucontrol)
 944{
 945        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 946        unsigned short val;
 947 
 948        val = inw(FM801_REG(chip, REC_SRC)) & 7;
 949        if (val > 4)
 950                val = 4;
 951        ucontrol->value.enumerated.item[0] = val;
 952        return 0;
 953}
 954
 955static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
 956                             struct snd_ctl_elem_value *ucontrol)
 957{
 958        struct fm801 *chip = snd_kcontrol_chip(kcontrol);
 959        unsigned short val;
 960 
 961        if ((val = ucontrol->value.enumerated.item[0]) > 4)
 962                return -EINVAL;
 963        return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
 964}
 965
 966static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
 967
 968#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
 969
 970static struct snd_kcontrol_new snd_fm801_controls[] __devinitdata = {
 971FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
 972                 db_scale_dsp),
 973FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
 974FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
 975                 db_scale_dsp),
 976FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
 977FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
 978                 db_scale_dsp),
 979FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
 980{
 981        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 982        .name = "Digital Capture Source",
 983        .info = snd_fm801_info_mux,
 984        .get = snd_fm801_get_mux,
 985        .put = snd_fm801_put_mux,
 986}
 987};
 988
 989#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
 990
 991static struct snd_kcontrol_new snd_fm801_controls_multi[] __devinitdata = {
 992FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
 993FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
 994FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
 995FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
 996FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
 997FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
 998};
 999
1000static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1001{
1002        struct fm801 *chip = bus->private_data;
1003        chip->ac97_bus = NULL;
1004}
1005
1006static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1007{
1008        struct fm801 *chip = ac97->private_data;
1009        if (ac97->num == 0) {
1010                chip->ac97 = NULL;
1011        } else {
1012                chip->ac97_sec = NULL;
1013        }
1014}
1015
1016static int __devinit snd_fm801_mixer(struct fm801 *chip)
1017{
1018        struct snd_ac97_template ac97;
1019        unsigned int i;
1020        int err;
1021        static struct snd_ac97_bus_ops ops = {
1022                .write = snd_fm801_codec_write,
1023                .read = snd_fm801_codec_read,
1024        };
1025
1026        if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1027                return err;
1028        chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1029
1030        memset(&ac97, 0, sizeof(ac97));
1031        ac97.private_data = chip;
1032        ac97.private_free = snd_fm801_mixer_free_ac97;
1033        if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1034                return err;
1035        if (chip->secondary) {
1036                ac97.num = 1;
1037                ac97.addr = chip->secondary_addr;
1038                if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1039                        return err;
1040        }
1041        for (i = 0; i < FM801_CONTROLS; i++)
1042                snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1043        if (chip->multichannel) {
1044                for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1045                        snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1046        }
1047        return 0;
1048}
1049
1050/*
1051 *  initialization routines
1052 */
1053
1054static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1055                          unsigned short reg, unsigned long waits)
1056{
1057        unsigned long timeout = jiffies + waits;
1058
1059        outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1060             FM801_REG(chip, AC97_CMD));
1061        udelay(5);
1062        do {
1063                if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1064                    == FM801_AC97_VALID)
1065                        return 0;
1066                schedule_timeout_uninterruptible(1);
1067        } while (time_after(timeout, jiffies));
1068        return -EIO;
1069}
1070
1071static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1072{
1073        unsigned short cmdw;
1074
1075        if (chip->tea575x_tuner & TUNER_ONLY)
1076                goto __ac97_ok;
1077
1078        /* codec cold reset + AC'97 warm reset */
1079        outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1080        inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1081        udelay(100);
1082        outw(0, FM801_REG(chip, CODEC_CTRL));
1083
1084        if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1085                if (!resume) {
1086                        snd_printk(KERN_INFO "Primary AC'97 codec not found, "
1087                                            "assume SF64-PCR (tuner-only)\n");
1088                        chip->tea575x_tuner = 3 | TUNER_ONLY;
1089                        goto __ac97_ok;
1090                }
1091
1092        if (chip->multichannel) {
1093                if (chip->secondary_addr) {
1094                        wait_for_codec(chip, chip->secondary_addr,
1095                                       AC97_VENDOR_ID1, msecs_to_jiffies(50));
1096                } else {
1097                        /* my card has the secondary codec */
1098                        /* at address #3, so the loop is inverted */
1099                        int i;
1100                        for (i = 3; i > 0; i--) {
1101                                if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1102                                                     msecs_to_jiffies(50))) {
1103                                        cmdw = inw(FM801_REG(chip, AC97_DATA));
1104                                        if (cmdw != 0xffff && cmdw != 0) {
1105                                                chip->secondary = 1;
1106                                                chip->secondary_addr = i;
1107                                                break;
1108                                        }
1109                                }
1110                        }
1111                }
1112
1113                /* the recovery phase, it seems that probing for non-existing codec might */
1114                /* cause timeout problems */
1115                wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1116        }
1117
1118      __ac97_ok:
1119
1120        /* init volume */
1121        outw(0x0808, FM801_REG(chip, PCM_VOL));
1122        outw(0x9f1f, FM801_REG(chip, FM_VOL));
1123        outw(0x8808, FM801_REG(chip, I2S_VOL));
1124
1125        /* I2S control - I2S mode */
1126        outw(0x0003, FM801_REG(chip, I2S_MODE));
1127
1128        /* interrupt setup */
1129        cmdw = inw(FM801_REG(chip, IRQ_MASK));
1130        if (chip->irq < 0)
1131                cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1132        else
1133                cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1134        outw(cmdw, FM801_REG(chip, IRQ_MASK));
1135
1136        /* interrupt clear */
1137        outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1138
1139        return 0;
1140}
1141
1142
1143static int snd_fm801_free(struct fm801 *chip)
1144{
1145        unsigned short cmdw;
1146
1147        if (chip->irq < 0)
1148                goto __end_hw;
1149
1150        /* interrupt setup - mask everything */
1151        cmdw = inw(FM801_REG(chip, IRQ_MASK));
1152        cmdw |= 0x00c3;
1153        outw(cmdw, FM801_REG(chip, IRQ_MASK));
1154
1155      __end_hw:
1156#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1157        if (!(chip->tea575x_tuner & TUNER_DISABLED))
1158                snd_tea575x_exit(&chip->tea);
1159#endif
1160        if (chip->irq >= 0)
1161                free_irq(chip->irq, chip);
1162        pci_release_regions(chip->pci);
1163        pci_disable_device(chip->pci);
1164
1165        kfree(chip);
1166        return 0;
1167}
1168
1169static int snd_fm801_dev_free(struct snd_device *device)
1170{
1171        struct fm801 *chip = device->device_data;
1172        return snd_fm801_free(chip);
1173}
1174
1175static int __devinit snd_fm801_create(struct snd_card *card,
1176                                      struct pci_dev * pci,
1177                                      int tea575x_tuner,
1178                                      struct fm801 ** rchip)
1179{
1180        struct fm801 *chip;
1181        int err;
1182        static struct snd_device_ops ops = {
1183                .dev_free =     snd_fm801_dev_free,
1184        };
1185
1186        *rchip = NULL;
1187        if ((err = pci_enable_device(pci)) < 0)
1188                return err;
1189        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1190        if (chip == NULL) {
1191                pci_disable_device(pci);
1192                return -ENOMEM;
1193        }
1194        spin_lock_init(&chip->reg_lock);
1195        chip->card = card;
1196        chip->pci = pci;
1197        chip->irq = -1;
1198        chip->tea575x_tuner = tea575x_tuner;
1199        if ((err = pci_request_regions(pci, "FM801")) < 0) {
1200                kfree(chip);
1201                pci_disable_device(pci);
1202                return err;
1203        }
1204        chip->port = pci_resource_start(pci, 0);
1205        if ((tea575x_tuner & TUNER_ONLY) == 0) {
1206                if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1207                                KBUILD_MODNAME, chip)) {
1208                        snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1209                        snd_fm801_free(chip);
1210                        return -EBUSY;
1211                }
1212                chip->irq = pci->irq;
1213                pci_set_master(pci);
1214        }
1215
1216        if (pci->revision >= 0xb1)      /* FM801-AU */
1217                chip->multichannel = 1;
1218
1219        snd_fm801_chip_init(chip, 0);
1220        /* init might set tuner access method */
1221        tea575x_tuner = chip->tea575x_tuner;
1222
1223        if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1224                pci_clear_master(pci);
1225                free_irq(chip->irq, chip);
1226                chip->irq = -1;
1227        }
1228
1229        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1230                snd_fm801_free(chip);
1231                return err;
1232        }
1233
1234        snd_card_set_dev(card, &pci->dev);
1235
1236#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1237        chip->tea.private_data = chip;
1238        chip->tea.ops = &snd_fm801_tea_ops;
1239        sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1240        if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1241            (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1242                if (snd_tea575x_init(&chip->tea)) {
1243                        snd_printk(KERN_ERR "TEA575x radio not found\n");
1244                        return -ENODEV;
1245                }
1246        } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1247                /* autodetect tuner connection */
1248                for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1249                        chip->tea575x_tuner = tea575x_tuner;
1250                        if (!snd_tea575x_init(&chip->tea)) {
1251                                snd_printk(KERN_INFO "detected TEA575x radio type %s\n",
1252                                           get_tea575x_gpio(chip)->name);
1253                                break;
1254                        }
1255                }
1256                if (tea575x_tuner == 4) {
1257                        snd_printk(KERN_ERR "TEA575x radio not found\n");
1258                        chip->tea575x_tuner = TUNER_DISABLED;
1259                }
1260        }
1261        if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1262                strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1263                        sizeof(chip->tea.card));
1264        }
1265#endif
1266
1267        *rchip = chip;
1268        return 0;
1269}
1270
1271static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1272                                          const struct pci_device_id *pci_id)
1273{
1274        static int dev;
1275        struct snd_card *card;
1276        struct fm801 *chip;
1277        struct snd_opl3 *opl3;
1278        int err;
1279
1280        if (dev >= SNDRV_CARDS)
1281                return -ENODEV;
1282        if (!enable[dev]) {
1283                dev++;
1284                return -ENOENT;
1285        }
1286
1287        err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1288        if (err < 0)
1289                return err;
1290        if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], &chip)) < 0) {
1291                snd_card_free(card);
1292                return err;
1293        }
1294        card->private_data = chip;
1295
1296        strcpy(card->driver, "FM801");
1297        strcpy(card->shortname, "ForteMedia FM801-");
1298        strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1299        sprintf(card->longname, "%s at 0x%lx, irq %i",
1300                card->shortname, chip->port, chip->irq);
1301
1302        if (chip->tea575x_tuner & TUNER_ONLY)
1303                goto __fm801_tuner_only;
1304
1305        if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1306                snd_card_free(card);
1307                return err;
1308        }
1309        if ((err = snd_fm801_mixer(chip)) < 0) {
1310                snd_card_free(card);
1311                return err;
1312        }
1313        if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1314                                       FM801_REG(chip, MPU401_DATA),
1315                                       MPU401_INFO_INTEGRATED |
1316                                       MPU401_INFO_IRQ_HOOK,
1317                                       -1, &chip->rmidi)) < 0) {
1318                snd_card_free(card);
1319                return err;
1320        }
1321        if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1322                                   FM801_REG(chip, OPL3_BANK1),
1323                                   OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1324                snd_card_free(card);
1325                return err;
1326        }
1327        if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1328                snd_card_free(card);
1329                return err;
1330        }
1331
1332      __fm801_tuner_only:
1333        if ((err = snd_card_register(card)) < 0) {
1334                snd_card_free(card);
1335                return err;
1336        }
1337        pci_set_drvdata(pci, card);
1338        dev++;
1339        return 0;
1340}
1341
1342static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1343{
1344        snd_card_free(pci_get_drvdata(pci));
1345        pci_set_drvdata(pci, NULL);
1346}
1347
1348#ifdef CONFIG_PM
1349static unsigned char saved_regs[] = {
1350        FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1351        FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1352        FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1353        FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1354};
1355
1356static int snd_fm801_suspend(struct pci_dev *pci, pm_message_t state)
1357{
1358        struct snd_card *card = pci_get_drvdata(pci);
1359        struct fm801 *chip = card->private_data;
1360        int i;
1361
1362        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1363        snd_pcm_suspend_all(chip->pcm);
1364        snd_ac97_suspend(chip->ac97);
1365        snd_ac97_suspend(chip->ac97_sec);
1366        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1367                chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1368        /* FIXME: tea575x suspend */
1369
1370        pci_disable_device(pci);
1371        pci_save_state(pci);
1372        pci_set_power_state(pci, pci_choose_state(pci, state));
1373        return 0;
1374}
1375
1376static int snd_fm801_resume(struct pci_dev *pci)
1377{
1378        struct snd_card *card = pci_get_drvdata(pci);
1379        struct fm801 *chip = card->private_data;
1380        int i;
1381
1382        pci_set_power_state(pci, PCI_D0);
1383        pci_restore_state(pci);
1384        if (pci_enable_device(pci) < 0) {
1385                printk(KERN_ERR "fm801: pci_enable_device failed, "
1386                       "disabling device\n");
1387                snd_card_disconnect(card);
1388                return -EIO;
1389        }
1390        pci_set_master(pci);
1391
1392        snd_fm801_chip_init(chip, 1);
1393        snd_ac97_resume(chip->ac97);
1394        snd_ac97_resume(chip->ac97_sec);
1395        for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1396                outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1397
1398        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1399        return 0;
1400}
1401#endif
1402
1403static struct pci_driver driver = {
1404        .name = KBUILD_MODNAME,
1405        .id_table = snd_fm801_ids,
1406        .probe = snd_card_fm801_probe,
1407        .remove = __devexit_p(snd_card_fm801_remove),
1408#ifdef CONFIG_PM
1409        .suspend = snd_fm801_suspend,
1410        .resume = snd_fm801_resume,
1411#endif
1412};
1413
1414static int __init alsa_card_fm801_init(void)
1415{
1416        return pci_register_driver(&driver);
1417}
1418
1419static void __exit alsa_card_fm801_exit(void)
1420{
1421        pci_unregister_driver(&driver);
1422}
1423
1424module_init(alsa_card_fm801_init)
1425module_exit(alsa_card_fm801_exit)
1426
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