SAFE public projects git trees. - safe/jmp/linux-2.6/blob - sound/isa/es1688/es1688_lib.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   3  *  Routines for control of ESS ES1688/688/488 chip
   4  *
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22 #include <linux/init.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/delay.h>
  25 #include <linux/slab.h>
  26 #include <linux/ioport.h>
  27 #include <sound/core.h>
  28 #include <sound/es1688.h>
  29 #include <sound/initval.h>
  30
  31 #include <asm/io.h>
  32 #include <asm/dma.h>
  33
  34 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  35 MODULE_DESCRIPTION("ESS ESx688 lowlevel module");
  36 MODULE_LICENSE("GPL");
  37
  38 static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val)
  39 {
  40         int i;
  41
  42         for (i = 10000; i; i--)
  43                 if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) {
  44                         outb(val, ES1688P(chip, COMMAND));
  45                         return 1;
  46                 }
  47 #ifdef CONFIG_SND_DEBUG
  48         printk(KERN_DEBUG "snd_es1688_dsp_command: timeout (0x%x)\n", val);
  49 #endif
  50         return 0;
  51 }
  52
  53 static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip)
  54 {
  55         int i;
  56
  57         for (i = 1000; i; i--)
  58                 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80)
  59                         return inb(ES1688P(chip, READ));
  60         snd_printd("es1688 get byte failed: 0x%lx = 0x%x!!!\n", ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL)));
  61         return -ENODEV;
  62 }
  63
  64 static int snd_es1688_write(struct snd_es1688 *chip,
  65                             unsigned char reg, unsigned char data)
  66 {
  67         if (!snd_es1688_dsp_command(chip, reg))
  68                 return 0;
  69         return snd_es1688_dsp_command(chip, data);
  70 }
  71
  72 static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg)
  73 {
  74         /* Read a byte from an extended mode register of ES1688 */
  75         if (!snd_es1688_dsp_command(chip, 0xc0))
  76                 return -1;
  77         if (!snd_es1688_dsp_command(chip, reg))
  78                 return -1;
  79         return snd_es1688_dsp_get_byte(chip);
  80 }
  81
  82 void snd_es1688_mixer_write(struct snd_es1688 *chip,
  83                             unsigned char reg, unsigned char data)
  84 {
  85         outb(reg, ES1688P(chip, MIXER_ADDR));
  86         udelay(10);
  87         outb(data, ES1688P(chip, MIXER_DATA));
  88         udelay(10);
  89 }
  90
  91 static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg)
  92 {
  93         unsigned char result;
  94
  95         outb(reg, ES1688P(chip, MIXER_ADDR));
  96         udelay(10);
  97         result = inb(ES1688P(chip, MIXER_DATA));
  98         udelay(10);
  99         return result;
 100 }
 101
 102 int snd_es1688_reset(struct snd_es1688 *chip)
 103 {
 104         int i;
 105
 106         outb(3, ES1688P(chip, RESET));          /* valid only for ESS chips, SB -> 1 */
 107         udelay(10);
 108         outb(0, ES1688P(chip, RESET));
 109         udelay(30);
 110         for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++);
 111         if (inb(ES1688P(chip, READ)) != 0xaa) {
 112                 snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port);
 113                 return -ENODEV;
 114         }
 115         snd_es1688_dsp_command(chip, 0xc6);     /* enable extended mode */
 116         return 0;
 117 }
 118 EXPORT_SYMBOL(snd_es1688_reset);
 119
 120 static int snd_es1688_probe(struct snd_es1688 *chip)
 121 {
 122         unsigned long flags;
 123         unsigned short major, minor, hw;
 124         int i;
 125
 126         /*
 127          *  initialization sequence
 128          */
 129
 130         spin_lock_irqsave(&chip->reg_lock, flags);      /* Some ESS1688 cards need this */
 131         inb(ES1688P(chip, ENABLE1));    /* ENABLE1 */
 132         inb(ES1688P(chip, ENABLE1));    /* ENABLE1 */
 133         inb(ES1688P(chip, ENABLE1));    /* ENABLE1 */
 134         inb(ES1688P(chip, ENABLE2));    /* ENABLE2 */
 135         inb(ES1688P(chip, ENABLE1));    /* ENABLE1 */
 136         inb(ES1688P(chip, ENABLE2));    /* ENABLE2 */
 137         inb(ES1688P(chip, ENABLE1));    /* ENABLE1 */
 138         inb(ES1688P(chip, ENABLE1));    /* ENABLE1 */
 139         inb(ES1688P(chip, ENABLE2));    /* ENABLE2 */
 140         inb(ES1688P(chip, ENABLE1));    /* ENABLE1 */
 141         inb(ES1688P(chip, ENABLE0));    /* ENABLE0 */
 142
 143         if (snd_es1688_reset(chip) < 0) {
 144                 snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ)));
 145                 spin_unlock_irqrestore(&chip->reg_lock, flags);
 146                 return -ENODEV;
 147         }
 148         snd_es1688_dsp_command(chip, 0xe7);     /* return identification */
 149
 150         for (i = 1000, major = minor = 0; i; i--) {
 151                 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) {
 152                         if (major == 0) {
 153                                 major = inb(ES1688P(chip, READ));
 154                         } else {
 155                                 minor = inb(ES1688P(chip, READ));
 156                         }
 157                 }
 158         }
 159
 160         spin_unlock_irqrestore(&chip->reg_lock, flags);
 161
 162         snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor);
 163
 164         chip->version = (major << 8) | minor;
 165         if (!chip->version)
 166                 return -ENODEV; /* probably SB */
 167
 168         hw = ES1688_HW_AUTO;
 169         switch (chip->version & 0xfff0) {
 170         case 0x4880:
 171                 snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, "
 172                            "but driver is in another place\n", chip->port);
 173                 return -ENODEV;
 174         case 0x6880:
 175                 hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688;
 176                 break;
 177         default:
 178                 snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip "
 179                            "with version 0x%x (Jazz16 soundcard?)\n",
 180                            chip->port, chip->version);
 181                 return -ENODEV;
 182         }
 183
 184         spin_lock_irqsave(&chip->reg_lock, flags);
 185         snd_es1688_write(chip, 0xb1, 0x10);     /* disable IRQ */
 186         snd_es1688_write(chip, 0xb2, 0x00);     /* disable DMA */
 187         spin_unlock_irqrestore(&chip->reg_lock, flags);
 188
 189         /* enable joystick, but disable OPL3 */
 190         spin_lock_irqsave(&chip->mixer_lock, flags);
 191         snd_es1688_mixer_write(chip, 0x40, 0x01);
 192         spin_unlock_irqrestore(&chip->mixer_lock, flags);
 193
 194         return 0;
 195 }
 196
 197 static int snd_es1688_init(struct snd_es1688 * chip, int enable)
 198 {
 199         static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1};
 200         unsigned long flags;
 201         int cfg, irq_bits, dma, dma_bits, tmp, tmp1;
 202
 203         /* ok.. setup MPU-401 port and joystick and OPL3 */
 204         cfg = 0x01;             /* enable joystick, but disable OPL3 */
 205         if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) {
 206                 tmp = (chip->mpu_port & 0x0f0) >> 4;
 207                 if (tmp <= 3) {
 208                         switch (chip->mpu_irq) {
 209                         case 9:
 210                                 tmp1 = 4;
 211                                 break;
 212                         case 5:
 213                                 tmp1 = 5;
 214                                 break;
 215                         case 7:
 216                                 tmp1 = 6;
 217                                 break;
 218                         case 10:
 219                                 tmp1 = 7;
 220                                 break;
 221                         default:
 222                                 tmp1 = 0;
 223                         }
 224                         if (tmp1) {
 225                                 cfg |= (tmp << 3) | (tmp1 << 5);
 226                         }
 227                 }
 228         }
 229 #if 0
 230         snd_printk(KERN_DEBUG "mpu cfg = 0x%x\n", cfg);
 231 #endif
 232         spin_lock_irqsave(&chip->reg_lock, flags);
 233         snd_es1688_mixer_write(chip, 0x40, cfg);
 234         spin_unlock_irqrestore(&chip->reg_lock, flags);
 235         /* --- */
 236         spin_lock_irqsave(&chip->reg_lock, flags);
 237         snd_es1688_read(chip, 0xb1);
 238         snd_es1688_read(chip, 0xb2);
 239         spin_unlock_irqrestore(&chip->reg_lock, flags);
 240         if (enable) {
 241                 cfg = 0xf0;     /* enable only DMA counter interrupt */
 242                 irq_bits = irqs[chip->irq & 0x0f];
 243                 if (irq_bits < 0) {
 244                         snd_printk(KERN_ERR "[0x%lx] ESS: bad IRQ %d "
 245                                    "for ES1688 chip!!\n",
 246                                    chip->port, chip->irq);
 247 #if 0
 248                         irq_bits = 0;
 249                         cfg = 0x10;
 250 #endif
 251                         return -EINVAL;
 252                 }
 253                 spin_lock_irqsave(&chip->reg_lock, flags);
 254                 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2));
 255                 spin_unlock_irqrestore(&chip->reg_lock, flags);
 256                 cfg = 0xf0;     /* extended mode DMA enable */
 257                 dma = chip->dma8;
 258                 if (dma > 3 || dma == 2) {
 259                         snd_printk(KERN_ERR "[0x%lx] ESS: bad DMA channel %d "
 260                                    "for ES1688 chip!!\n", chip->port, dma);
 261 #if 0
 262                         dma_bits = 0;
 263                         cfg = 0x00;     /* disable all DMA */
 264 #endif
 265                         return -EINVAL;
 266                 } else {
 267                         dma_bits = dma;
 268                         if (dma != 3)
 269                                 dma_bits++;
 270                 }
 271                 spin_lock_irqsave(&chip->reg_lock, flags);
 272                 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2));
 273                 spin_unlock_irqrestore(&chip->reg_lock, flags);
 274         } else {
 275                 spin_lock_irqsave(&chip->reg_lock, flags);
 276                 snd_es1688_write(chip, 0xb1, 0x10);     /* disable IRQ */
 277                 snd_es1688_write(chip, 0xb2, 0x00);     /* disable DMA */
 278                 spin_unlock_irqrestore(&chip->reg_lock, flags);
 279         }
 280         spin_lock_irqsave(&chip->reg_lock, flags);
 281         snd_es1688_read(chip, 0xb1);
 282         snd_es1688_read(chip, 0xb2);
 283         snd_es1688_reset(chip);
 284         spin_unlock_irqrestore(&chip->reg_lock, flags);
 285         return 0;
 286 }
 287
 288 /*
 289
 290  */
 291
 292 static struct snd_ratnum clocks[2] = {
 293         {
 294                 .num = 795444,
 295                 .den_min = 1,
 296                 .den_max = 128,
 297                 .den_step = 1,
 298         },
 299         {
 300                 .num = 397722,
 301                 .den_min = 1,
 302                 .den_max = 128,
 303                 .den_step = 1,
 304         }
 305 };
 306
 307 static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks  = {
 308         .nrats = 2,
 309         .rats = clocks,
 310 };
 311
 312 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream)
 313 {
 314         struct snd_pcm_runtime *runtime = substream->runtime;
 315         unsigned int bits, divider;
 316
 317         if (runtime->rate_num == clocks[0].num)
 318                 bits = 256 - runtime->rate_den;
 319         else
 320                 bits = 128 - runtime->rate_den;
 321         /* set filter register */
 322         divider = 256 - 7160000*20/(8*82*runtime->rate);
 323         /* write result to hardware */
 324         snd_es1688_write(chip, 0xa1, bits);
 325         snd_es1688_write(chip, 0xa2, divider);
 326 }
 327
 328 static int snd_es1688_ioctl(struct snd_pcm_substream *substream,
 329                             unsigned int cmd, void *arg)
 330 {
 331         return snd_pcm_lib_ioctl(substream, cmd, arg);
 332 }
 333
 334 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value)
 335 {
 336         int val;
 337
 338         if (cmd == SNDRV_PCM_TRIGGER_STOP) {
 339                 value = 0x00;
 340         } else if (cmd != SNDRV_PCM_TRIGGER_START) {
 341                 return -EINVAL;
 342         }
 343         spin_lock(&chip->reg_lock);
 344         chip->trigger_value = value;
 345         val = snd_es1688_read(chip, 0xb8);
 346         if ((val < 0) || (val & 0x0f) == value) {
 347                 spin_unlock(&chip->reg_lock);
 348                 return -EINVAL; /* something is wrong */
 349         }
 350 #if 0
 351         printk(KERN_DEBUG "trigger: val = 0x%x, value = 0x%x\n", val, value);
 352         printk(KERN_DEBUG "trigger: pointer = 0x%x\n",
 353                snd_dma_pointer(chip->dma8, chip->dma_size));
 354 #endif
 355         snd_es1688_write(chip, 0xb8, (val & 0xf0) | value);
 356         spin_unlock(&chip->reg_lock);
 357         return 0;
 358 }
 359
 360 static int snd_es1688_hw_params(struct snd_pcm_substream *substream,
 361                                 struct snd_pcm_hw_params *hw_params)
 362 {
 363         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 364 }
 365
 366 static int snd_es1688_hw_free(struct snd_pcm_substream *substream)
 367 {
 368         return snd_pcm_lib_free_pages(substream);
 369 }
 370
 371 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream)
 372 {
 373         unsigned long flags;
 374         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 375         struct snd_pcm_runtime *runtime = substream->runtime;
 376         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
 377         unsigned int count = snd_pcm_lib_period_bytes(substream);
 378
 379         chip->dma_size = size;
 380         spin_lock_irqsave(&chip->reg_lock, flags);
 381         snd_es1688_reset(chip);
 382         snd_es1688_set_rate(chip, substream);
 383         snd_es1688_write(chip, 0xb8, 4);        /* auto init DMA mode */
 384         snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
 385         snd_es1688_write(chip, 0xb9, 2);        /* demand mode (4 bytes/request) */
 386         if (runtime->channels == 1) {
 387                 if (snd_pcm_format_width(runtime->format) == 8) {
 388                         /* 8. bit mono */
 389                         snd_es1688_write(chip, 0xb6, 0x80);
 390                         snd_es1688_write(chip, 0xb7, 0x51);
 391                         snd_es1688_write(chip, 0xb7, 0xd0);
 392                 } else {
 393                         /* 16. bit mono */
 394                         snd_es1688_write(chip, 0xb6, 0x00);
 395                         snd_es1688_write(chip, 0xb7, 0x71);
 396                         snd_es1688_write(chip, 0xb7, 0xf4);
 397                 }
 398         } else {
 399                 if (snd_pcm_format_width(runtime->format) == 8) {
 400                         /* 8. bit stereo */
 401                         snd_es1688_write(chip, 0xb6, 0x80);
 402                         snd_es1688_write(chip, 0xb7, 0x51);
 403                         snd_es1688_write(chip, 0xb7, 0x98);
 404                 } else {
 405                         /* 16. bit stereo */
 406                         snd_es1688_write(chip, 0xb6, 0x00);
 407                         snd_es1688_write(chip, 0xb7, 0x71);
 408                         snd_es1688_write(chip, 0xb7, 0xbc);
 409                 }
 410         }
 411         snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
 412         snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
 413         snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON);
 414         spin_unlock_irqrestore(&chip->reg_lock, flags);
 415         /* --- */
 416         count = -count;
 417         snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
 418         spin_lock_irqsave(&chip->reg_lock, flags);
 419         snd_es1688_write(chip, 0xa4, (unsigned char) count);
 420         snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
 421         spin_unlock_irqrestore(&chip->reg_lock, flags);
 422         return 0;
 423 }
 424
 425 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream,
 426                                        int cmd)
 427 {
 428         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 429         return snd_es1688_trigger(chip, cmd, 0x05);
 430 }
 431
 432 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream)
 433 {
 434         unsigned long flags;
 435         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 436         struct snd_pcm_runtime *runtime = substream->runtime;
 437         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
 438         unsigned int count = snd_pcm_lib_period_bytes(substream);
 439
 440         chip->dma_size = size;
 441         spin_lock_irqsave(&chip->reg_lock, flags);
 442         snd_es1688_reset(chip);
 443         snd_es1688_set_rate(chip, substream);
 444         snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF);
 445         snd_es1688_write(chip, 0xb8, 0x0e);     /* auto init DMA mode */
 446         snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
 447         snd_es1688_write(chip, 0xb9, 2);        /* demand mode (4 bytes/request) */
 448         if (runtime->channels == 1) {
 449                 if (snd_pcm_format_width(runtime->format) == 8) {
 450                         /* 8. bit mono */
 451                         snd_es1688_write(chip, 0xb7, 0x51);
 452                         snd_es1688_write(chip, 0xb7, 0xd0);
 453                 } else {
 454                         /* 16. bit mono */
 455                         snd_es1688_write(chip, 0xb7, 0x71);
 456                         snd_es1688_write(chip, 0xb7, 0xf4);
 457                 }
 458         } else {
 459                 if (snd_pcm_format_width(runtime->format) == 8) {
 460                         /* 8. bit stereo */
 461                         snd_es1688_write(chip, 0xb7, 0x51);
 462                         snd_es1688_write(chip, 0xb7, 0x98);
 463                 } else {
 464                         /* 16. bit stereo */
 465                         snd_es1688_write(chip, 0xb7, 0x71);
 466                         snd_es1688_write(chip, 0xb7, 0xbc);
 467                 }
 468         }
 469         snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
 470         snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
 471         spin_unlock_irqrestore(&chip->reg_lock, flags);
 472         /* --- */
 473         count = -count;
 474         snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
 475         spin_lock_irqsave(&chip->reg_lock, flags);
 476         snd_es1688_write(chip, 0xa4, (unsigned char) count);
 477         snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8));
 478         spin_unlock_irqrestore(&chip->reg_lock, flags);
 479         return 0;
 480 }
 481
 482 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream,
 483                                       int cmd)
 484 {
 485         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 486         return snd_es1688_trigger(chip, cmd, 0x0f);
 487 }
 488
 489 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id)
 490 {
 491         struct snd_es1688 *chip = dev_id;
 492
 493         if (chip->trigger_value == 0x05)        /* ok.. playback is active */
 494                 snd_pcm_period_elapsed(chip->playback_substream);
 495         if (chip->trigger_value == 0x0f)        /* ok.. capture is active */
 496                 snd_pcm_period_elapsed(chip->capture_substream);
 497
 498         inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */
 499         return IRQ_HANDLED;
 500 }
 501
 502 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream)
 503 {
 504         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 505         size_t ptr;
 506
 507         if (chip->trigger_value != 0x05)
 508                 return 0;
 509         ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
 510         return bytes_to_frames(substream->runtime, ptr);
 511 }
 512
 513 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream)
 514 {
 515         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 516         size_t ptr;
 517
 518         if (chip->trigger_value != 0x0f)
 519                 return 0;
 520         ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
 521         return bytes_to_frames(substream->runtime, ptr);
 522 }
 523
 524 /*
 525
 526  */
 527
 528 static struct snd_pcm_hardware snd_es1688_playback =
 529 {
 530         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 531                                  SNDRV_PCM_INFO_MMAP_VALID),
 532         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 533         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
 534         .rate_min =             4000,
 535         .rate_max =             48000,
 536         .channels_min =         1,
 537         .channels_max =         2,
 538         .buffer_bytes_max =     65536,
 539         .period_bytes_min =     64,
 540         .period_bytes_max =     65536,
 541         .periods_min =          1,
 542         .periods_max =          1024,
 543         .fifo_size =            0,
 544 };
 545
 546 static struct snd_pcm_hardware snd_es1688_capture =
 547 {
 548         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 549                                  SNDRV_PCM_INFO_MMAP_VALID),
 550         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 551         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
 552         .rate_min =             4000,
 553         .rate_max =             48000,
 554         .channels_min =         1,
 555         .channels_max =         2,
 556         .buffer_bytes_max =     65536,
 557         .period_bytes_min =     64,
 558         .period_bytes_max =     65536,
 559         .periods_min =          1,
 560         .periods_max =          1024,
 561         .fifo_size =            0,
 562 };
 563
 564 /*
 565
 566  */
 567
 568 static int snd_es1688_playback_open(struct snd_pcm_substream *substream)
 569 {
 570         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 571         struct snd_pcm_runtime *runtime = substream->runtime;
 572
 573         if (chip->capture_substream != NULL)
 574                 return -EAGAIN;
 575         chip->playback_substream = substream;
 576         runtime->hw = snd_es1688_playback;
 577         snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 578                                       &hw_constraints_clocks);
 579         return 0;
 580 }
 581
 582 static int snd_es1688_capture_open(struct snd_pcm_substream *substream)
 583 {
 584         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 585         struct snd_pcm_runtime *runtime = substream->runtime;
 586
 587         if (chip->playback_substream != NULL)
 588                 return -EAGAIN;
 589         chip->capture_substream = substream;
 590         runtime->hw = snd_es1688_capture;
 591         snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 592                                       &hw_constraints_clocks);
 593         return 0;
 594 }
 595
 596 static int snd_es1688_playback_close(struct snd_pcm_substream *substream)
 597 {
 598         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 599
 600         chip->playback_substream = NULL;
 601         return 0;
 602 }
 603
 604 static int snd_es1688_capture_close(struct snd_pcm_substream *substream)
 605 {
 606         struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
 607
 608         chip->capture_substream = NULL;
 609         return 0;
 610 }
 611
 612 static int snd_es1688_free(struct snd_es1688 *chip)
 613 {
 614         if (chip->res_port) {
 615                 snd_es1688_init(chip, 0);
 616                 release_and_free_resource(chip->res_port);
 617         }
 618         if (chip->irq >= 0)
 619                 free_irq(chip->irq, (void *) chip);
 620         if (chip->dma8 >= 0) {
 621                 disable_dma(chip->dma8);
 622                 free_dma(chip->dma8);
 623         }
 624         return 0;
 625 }
 626
 627 static int snd_es1688_dev_free(struct snd_device *device)
 628 {
 629         struct snd_es1688 *chip = device->device_data;
 630         return snd_es1688_free(chip);
 631 }
 632
 633 static const char *snd_es1688_chip_id(struct snd_es1688 *chip)
 634 {
 635         static char tmp[16];
 636         sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f);
 637         return tmp;
 638 }
 639
 640 int snd_es1688_create(struct snd_card *card,
 641                       struct snd_es1688 *chip,
 642                       unsigned long port,
 643                       unsigned long mpu_port,
 644                       int irq,
 645                       int mpu_irq,
 646                       int dma8,
 647                       unsigned short hardware)
 648 {
 649         static struct snd_device_ops ops = {
 650                 .dev_free =     snd_es1688_dev_free,
 651         };
 652
 653         int err;
 654
 655         if (chip == NULL)
 656                 return -ENOMEM;
 657         chip->irq = -1;
 658         chip->dma8 = -1;
 659
 660         if ((chip->res_port = request_region(port + 4, 12, "ES1688")) == NULL) {
 661                 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4);
 662                 return -EBUSY;
 663         }
 664         if (request_irq(irq, snd_es1688_interrupt, IRQF_DISABLED, "ES1688", (void *) chip)) {
 665                 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq);
 666                 return -EBUSY;
 667         }
 668         chip->irq = irq;
 669         if (request_dma(dma8, "ES1688")) {
 670                 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8);
 671                 return -EBUSY;
 672         }
 673         chip->dma8 = dma8;
 674
 675         spin_lock_init(&chip->reg_lock);
 676         spin_lock_init(&chip->mixer_lock);
 677         chip->port = port;
 678         mpu_port &= ~0x000f;
 679         if (mpu_port < 0x300 || mpu_port > 0x330)
 680                 mpu_port = 0;
 681         chip->mpu_port = mpu_port;
 682         chip->mpu_irq = mpu_irq;
 683         chip->hardware = hardware;
 684
 685         err = snd_es1688_probe(chip);
 686         if (err < 0)
 687                 return err;
 688
 689         err = snd_es1688_init(chip, 1);
 690         if (err < 0)
 691                 return err;
 692
 693         /* Register device */
 694         return snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
 695 }
 696
 697 static struct snd_pcm_ops snd_es1688_playback_ops = {
 698         .open =                 snd_es1688_playback_open,
 699         .close =                snd_es1688_playback_close,
 700         .ioctl =                snd_es1688_ioctl,
 701         .hw_params =            snd_es1688_hw_params,
 702         .hw_free =              snd_es1688_hw_free,
 703         .prepare =              snd_es1688_playback_prepare,
 704         .trigger =              snd_es1688_playback_trigger,
 705         .pointer =              snd_es1688_playback_pointer,
 706 };
 707
 708 static struct snd_pcm_ops snd_es1688_capture_ops = {
 709         .open =                 snd_es1688_capture_open,
 710         .close =                snd_es1688_capture_close,
 711         .ioctl =                snd_es1688_ioctl,
 712         .hw_params =            snd_es1688_hw_params,
 713         .hw_free =              snd_es1688_hw_free,
 714         .prepare =              snd_es1688_capture_prepare,
 715         .trigger =              snd_es1688_capture_trigger,
 716         .pointer =              snd_es1688_capture_pointer,
 717 };
 718
 719 int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip,
 720                    int device, struct snd_pcm **rpcm)
 721 {
 722         struct snd_pcm *pcm;
 723         int err;
 724
 725         err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm);
 726         if (err < 0)
 727                 return err;
 728
 729         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops);
 730         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops);
 731
 732         pcm->private_data = chip;
 733         pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
 734         sprintf(pcm->name, snd_es1688_chip_id(chip));
 735         chip->pcm = pcm;
 736
 737         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 738                                               snd_dma_isa_data(),
 739                                               64*1024, 64*1024);
 740
 741         if (rpcm)
 742                 *rpcm = pcm;
 743         return 0;
 744 }
 745
 746 /*
 747  *  MIXER part
 748  */
 749
 750 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 751 {
 752         static char *texts[9] = {
 753                 "Mic", "Mic Master", "CD", "AOUT",
 754                 "Mic1", "Mix", "Line", "Master"
 755         };
 756
 757         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 758         uinfo->count = 1;
 759         uinfo->value.enumerated.items = 8;
 760         if (uinfo->value.enumerated.item > 7)
 761                 uinfo->value.enumerated.item = 7;
 762         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 763         return 0;
 764 }
 765
 766 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 767 {
 768         struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
 769         ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7;
 770         return 0;
 771 }
 772
 773 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 774 {
 775         struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
 776         unsigned long flags;
 777         unsigned char oval, nval;
 778         int change;
 779
 780         if (ucontrol->value.enumerated.item[0] > 8)
 781                 return -EINVAL;
 782         spin_lock_irqsave(&chip->reg_lock, flags);
 783         oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV);
 784         nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15);
 785         change = nval != oval;
 786         if (change)
 787                 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval);
 788         spin_unlock_irqrestore(&chip->reg_lock, flags);
 789         return change;
 790 }
 791
 792 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \
 793 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 794   .info = snd_es1688_info_single, \
 795   .get = snd_es1688_get_single, .put = snd_es1688_put_single, \
 796   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 797
 798 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 799 {
 800         int mask = (kcontrol->private_value >> 16) & 0xff;
 801
 802         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 803         uinfo->count = 1;
 804         uinfo->value.integer.min = 0;
 805         uinfo->value.integer.max = mask;
 806         return 0;
 807 }
 808
 809 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 810 {
 811         struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
 812         unsigned long flags;
 813         int reg = kcontrol->private_value & 0xff;
 814         int shift = (kcontrol->private_value >> 8) & 0xff;
 815         int mask = (kcontrol->private_value >> 16) & 0xff;
 816         int invert = (kcontrol->private_value >> 24) & 0xff;
 817
 818         spin_lock_irqsave(&chip->reg_lock, flags);
 819         ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask;
 820         spin_unlock_irqrestore(&chip->reg_lock, flags);
 821         if (invert)
 822                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 823         return 0;
 824 }
 825
 826 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 827 {
 828         struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
 829         unsigned long flags;
 830         int reg = kcontrol->private_value & 0xff;
 831         int shift = (kcontrol->private_value >> 8) & 0xff;
 832         int mask = (kcontrol->private_value >> 16) & 0xff;
 833         int invert = (kcontrol->private_value >> 24) & 0xff;
 834         int change;
 835         unsigned char oval, nval;
 836
 837         nval = (ucontrol->value.integer.value[0] & mask);
 838         if (invert)
 839                 nval = mask - nval;
 840         nval <<= shift;
 841         spin_lock_irqsave(&chip->reg_lock, flags);
 842         oval = snd_es1688_mixer_read(chip, reg);
 843         nval = (oval & ~(mask << shift)) | nval;
 844         change = nval != oval;
 845         if (change)
 846                 snd_es1688_mixer_write(chip, reg, nval);
 847         spin_unlock_irqrestore(&chip->reg_lock, flags);
 848         return change;
 849 }
 850
 851 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
 852 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 853   .info = snd_es1688_info_double, \
 854   .get = snd_es1688_get_double, .put = snd_es1688_put_double, \
 855   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
 856
 857 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 858 {
 859         int mask = (kcontrol->private_value >> 24) & 0xff;
 860
 861         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 862         uinfo->count = 2;
 863         uinfo->value.integer.min = 0;
 864         uinfo->value.integer.max = mask;
 865         return 0;
 866 }
 867
 868 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 869 {
 870         struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
 871         unsigned long flags;
 872         int left_reg = kcontrol->private_value & 0xff;
 873         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 874         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 875         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 876         int mask = (kcontrol->private_value >> 24) & 0xff;
 877         int invert = (kcontrol->private_value >> 22) & 1;
 878         unsigned char left, right;
 879
 880         spin_lock_irqsave(&chip->reg_lock, flags);
 881         if (left_reg < 0xa0)
 882                 left = snd_es1688_mixer_read(chip, left_reg);
 883         else
 884                 left = snd_es1688_read(chip, left_reg);
 885         if (left_reg != right_reg) {
 886                 if (right_reg < 0xa0)
 887                         right = snd_es1688_mixer_read(chip, right_reg);
 888                 else
 889                         right = snd_es1688_read(chip, right_reg);
 890         } else
 891                 right = left;
 892         spin_unlock_irqrestore(&chip->reg_lock, flags);
 893         ucontrol->value.integer.value[0] = (left >> shift_left) & mask;
 894         ucontrol->value.integer.value[1] = (right >> shift_right) & mask;
 895         if (invert) {
 896                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 897                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 898         }
 899         return 0;
 900 }
 901
 902 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 903 {
 904         struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
 905         unsigned long flags;
 906         int left_reg = kcontrol->private_value & 0xff;
 907         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 908         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 909         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 910         int mask = (kcontrol->private_value >> 24) & 0xff;
 911         int invert = (kcontrol->private_value >> 22) & 1;
 912         int change;
 913         unsigned char val1, val2, oval1, oval2;
 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         val1 <<= shift_left;
 922         val2 <<= shift_right;
 923         spin_lock_irqsave(&chip->reg_lock, flags);
 924         if (left_reg != right_reg) {
 925                 if (left_reg < 0xa0)
 926                         oval1 = snd_es1688_mixer_read(chip, left_reg);
 927                 else
 928                         oval1 = snd_es1688_read(chip, left_reg);
 929                 if (right_reg < 0xa0)
 930                         oval2 = snd_es1688_mixer_read(chip, right_reg);
 931                 else
 932                         oval2 = snd_es1688_read(chip, right_reg);
 933                 val1 = (oval1 & ~(mask << shift_left)) | val1;
 934                 val2 = (oval2 & ~(mask << shift_right)) | val2;
 935                 change = val1 != oval1 || val2 != oval2;
 936                 if (change) {
 937                         if (left_reg < 0xa0)
 938                                 snd_es1688_mixer_write(chip, left_reg, val1);
 939                         else
 940                                 snd_es1688_write(chip, left_reg, val1);
 941                         if (right_reg < 0xa0)
 942                                 snd_es1688_mixer_write(chip, right_reg, val1);
 943                         else
 944                                 snd_es1688_write(chip, right_reg, val1);
 945                 }
 946         } else {
 947                 if (left_reg < 0xa0)
 948                         oval1 = snd_es1688_mixer_read(chip, left_reg);
 949                 else
 950                         oval1 = snd_es1688_read(chip, left_reg);
 951                 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
 952                 change = val1 != oval1;
 953                 if (change) {
 954                         if (left_reg < 0xa0)
 955                                 snd_es1688_mixer_write(chip, left_reg, val1);
 956                         else
 957                                 snd_es1688_write(chip, left_reg, val1);
 958                 }
 959
 960         }
 961         spin_unlock_irqrestore(&chip->reg_lock, flags);
 962         return change;
 963 }
 964
 965 static struct snd_kcontrol_new snd_es1688_controls[] = {
 966 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0),
 967 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0),
 968 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0),
 969 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0),
 970 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0),
 971 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0),
 972 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0),
 973 ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0),
 974 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0),
 975 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1),
 976 {
 977         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 978         .name = "Capture Source",
 979         .info = snd_es1688_info_mux,
 980         .get = snd_es1688_get_mux,
 981         .put = snd_es1688_put_mux,
 982 },
 983 };
 984
 985 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2)
 986
 987 static unsigned char snd_es1688_init_table[][2] = {
 988         { ES1688_MASTER_DEV, 0 },
 989         { ES1688_PCM_DEV, 0 },
 990         { ES1688_LINE_DEV, 0 },
 991         { ES1688_CD_DEV, 0 },
 992         { ES1688_FM_DEV, 0 },
 993         { ES1688_MIC_DEV, 0 },
 994         { ES1688_AUX_DEV, 0 },
 995         { ES1688_SPEAKER_DEV, 0 },
 996         { ES1688_RECLEV_DEV, 0 },
 997         { ES1688_REC_DEV, 0x17 }
 998 };
 999
1000 int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip)
1001 {
1002         unsigned int idx;
1003         int err;
1004         unsigned char reg, val;
1005
1006         if (snd_BUG_ON(!chip || !card))
1007                 return -EINVAL;
1008
1009         strcpy(card->mixername, snd_es1688_chip_id(chip));
1010
1011         for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) {
1012                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0)
1013                         return err;
1014         }
1015         for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) {
1016                 reg = snd_es1688_init_table[idx][0];
1017                 val = snd_es1688_init_table[idx][1];
1018                 if (reg < 0xa0)
1019                         snd_es1688_mixer_write(chip, reg, val);
1020                 else
1021                         snd_es1688_write(chip, reg, val);
1022         }
1023         return 0;
1024 }
1025
1026 EXPORT_SYMBOL(snd_es1688_mixer_write);
1027 EXPORT_SYMBOL(snd_es1688_create);
1028 EXPORT_SYMBOL(snd_es1688_pcm);
1029 EXPORT_SYMBOL(snd_es1688_mixer);
1030
1031 /*
1032  *  INIT part
1033  */
1034
1035 static int __init alsa_es1688_init(void)
1036 {
1037         return 0;
1038 }
1039
1040 static void __exit alsa_es1688_exit(void)
1041 {
1042 }
1043
1044 module_init(alsa_es1688_init)
1045 module_exit(alsa_es1688_exit)