sound/isa/cs423x/cs4236_lib.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   3  *  Routines for control of CS4235/4236B/4237B/4238B/4239 chips
   4  *
   5  *  Note:
   6  *     -----
   7  *
   8  *  Bugs:
   9  *     -----
  10  *
  11  *   This program is free software; you can redistribute it and/or modify
  12  *   it under the terms of the GNU General Public License as published by
  13  *   the Free Software Foundation; either version 2 of the License, or
  14  *   (at your option) any later version.
  15  *
  16  *   This program is distributed in the hope that it will be useful,
  17  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *   GNU General Public License for more details.
  20  *
  21  *   You should have received a copy of the GNU General Public License
  22  *   along with this program; if not, write to the Free Software
  23  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  24  *
  25  */
  26
  27 /*
  28  *  Indirect control registers (CS4236B+)
  29  *
  30  *  C0
  31  *     D8: WSS reset (all chips)
  32  *
  33  *  C1 (all chips except CS4236)
  34  *     D7-D5: version
  35  *     D4-D0: chip id
  36  *             11101 - CS4235
  37  *             01011 - CS4236B
  38  *             01000 - CS4237B
  39  *             01001 - CS4238B
  40  *             11110 - CS4239
  41  *
  42  *  C2
  43  *     D7-D4: 3D Space (CS4235,CS4237B,CS4238B,CS4239)
  44  *     D3-D0: 3D Center (CS4237B); 3D Volume (CS4238B)
  45  *
  46  *  C3
  47  *     D7: 3D Enable (CS4237B)
  48  *     D6: 3D Mono Enable (CS4237B)
  49  *     D5: 3D Serial Output (CS4237B,CS4238B)
  50  *     D4: 3D Enable (CS4235,CS4238B,CS4239)
  51  *
  52  *  C4
  53  *     D7: consumer serial port enable (CS4237B,CS4238B)
  54  *     D6: channels status block reset (CS4237B,CS4238B)
  55  *     D5: user bit in sub-frame of digital audio data (CS4237B,CS4238B)
  56  *     D4: validity bit bit in sub-frame of digital audio data (CS4237B,CS4238B)
  57  *
  58  *  C5  lower channel status (digital serial data description) (CS4237B,CS4238B)
  59  *     D7-D6: first two bits of category code
  60  *     D5: lock
  61  *     D4-D3: pre-emphasis (0 = none, 1 = 50/15us)
  62  *     D2: copy/copyright (0 = copy inhibited)
  63  *     D1: 0 = digital audio / 1 = non-digital audio
  64  *
  65  *  C6  upper channel status (digital serial data description) (CS4237B,CS4238B)
  66  *     D7-D6: sample frequency (0 = 44.1kHz)
  67  *     D5: generation status (0 = no indication, 1 = original/commercially precaptureed data)
  68  *     D4-D0: category code (upper bits)
  69  *
  70  *  C7  reserved (must write 0)
  71  *
  72  *  C8  wavetable control
  73  *     D7: volume control interrupt enable (CS4235,CS4239)
  74  *     D6: hardware volume control format (CS4235,CS4239)
  75  *     D3: wavetable serial port enable (all chips)
  76  *     D2: DSP serial port switch (all chips)
  77  *     D1: disable MCLK (all chips)
  78  *     D0: force BRESET low (all chips)
  79  *
  80  */
  81
  82 #include <asm/io.h>
  83 #include <linux/delay.h>
  84 #include <linux/init.h>
  85 #include <linux/time.h>
  86 #include <linux/wait.h>
  87 #include <sound/core.h>
  88 #include <sound/wss.h>
  89 #include <sound/asoundef.h>
  90
  91 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  92 MODULE_DESCRIPTION("Routines for control of CS4235/4236B/4237B/4238B/4239 chips");
  93 MODULE_LICENSE("GPL");
  94
  95 /*
  96  *
  97  */
  98
  99 static unsigned char snd_cs4236_ext_map[18] = {
 100         /* CS4236_LEFT_LINE */          0xff,
 101         /* CS4236_RIGHT_LINE */         0xff,
 102         /* CS4236_LEFT_MIC */           0xdf,
 103         /* CS4236_RIGHT_MIC */          0xdf,
 104         /* CS4236_LEFT_MIX_CTRL */      0xe0 | 0x18,
 105         /* CS4236_RIGHT_MIX_CTRL */     0xe0,
 106         /* CS4236_LEFT_FM */            0xbf,
 107         /* CS4236_RIGHT_FM */           0xbf,
 108         /* CS4236_LEFT_DSP */           0xbf,
 109         /* CS4236_RIGHT_DSP */          0xbf,
 110         /* CS4236_RIGHT_LOOPBACK */     0xbf,
 111         /* CS4236_DAC_MUTE */           0xe0,
 112         /* CS4236_ADC_RATE */           0x01,   /* 48kHz */
 113         /* CS4236_DAC_RATE */           0x01,   /* 48kHz */
 114         /* CS4236_LEFT_MASTER */        0xbf,
 115         /* CS4236_RIGHT_MASTER */       0xbf,
 116         /* CS4236_LEFT_WAVE */          0xbf,
 117         /* CS4236_RIGHT_WAVE */         0xbf
 118 };
 119
 120 /*
 121  *
 122  */
 123
 124 static void snd_cs4236_ctrl_out(struct snd_wss *chip,
 125                                 unsigned char reg, unsigned char val)
 126 {
 127         outb(reg, chip->cport + 3);
 128         outb(chip->cimage[reg] = val, chip->cport + 4);
 129 }
 130
 131 static unsigned char snd_cs4236_ctrl_in(struct snd_wss *chip, unsigned char reg)
 132 {
 133         outb(reg, chip->cport + 3);
 134         return inb(chip->cport + 4);
 135 }
 136
 137 /*
 138  *  PCM
 139  */
 140
 141 #define CLOCKS 8
 142
 143 static struct snd_ratnum clocks[CLOCKS] = {
 144         { .num = 16934400, .den_min = 353, .den_max = 353, .den_step = 1 },
 145         { .num = 16934400, .den_min = 529, .den_max = 529, .den_step = 1 },
 146         { .num = 16934400, .den_min = 617, .den_max = 617, .den_step = 1 },
 147         { .num = 16934400, .den_min = 1058, .den_max = 1058, .den_step = 1 },
 148         { .num = 16934400, .den_min = 1764, .den_max = 1764, .den_step = 1 },
 149         { .num = 16934400, .den_min = 2117, .den_max = 2117, .den_step = 1 },
 150         { .num = 16934400, .den_min = 2558, .den_max = 2558, .den_step = 1 },
 151         { .num = 16934400/16, .den_min = 21, .den_max = 192, .den_step = 1 }
 152 };
 153
 154 static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
 155         .nrats = CLOCKS,
 156         .rats = clocks,
 157 };
 158
 159 static int snd_cs4236_xrate(struct snd_pcm_runtime *runtime)
 160 {
 161         return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 162                                              &hw_constraints_clocks);
 163 }
 164
 165 static unsigned char divisor_to_rate_register(unsigned int divisor)
 166 {
 167         switch (divisor) {
 168         case 353:       return 1;
 169         case 529:       return 2;
 170         case 617:       return 3;
 171         case 1058:      return 4;
 172         case 1764:      return 5;
 173         case 2117:      return 6;
 174         case 2558:      return 7;
 175         default:
 176                 if (divisor < 21 || divisor > 192) {
 177                         snd_BUG();
 178                         return 192;
 179                 }
 180                 return divisor;
 181         }
 182 }
 183
 184 static void snd_cs4236_playback_format(struct snd_wss *chip,
 185                                        struct snd_pcm_hw_params *params,
 186                                        unsigned char pdfr)
 187 {
 188         unsigned long flags;
 189         unsigned char rate = divisor_to_rate_register(params->rate_den);
 190
 191         spin_lock_irqsave(&chip->reg_lock, flags);
 192         /* set fast playback format change and clean playback FIFO */
 193         snd_wss_out(chip, CS4231_ALT_FEATURE_1,
 194                     chip->image[CS4231_ALT_FEATURE_1] | 0x10);
 195         snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr & 0xf0);
 196         snd_wss_out(chip, CS4231_ALT_FEATURE_1,
 197                     chip->image[CS4231_ALT_FEATURE_1] & ~0x10);
 198         snd_cs4236_ext_out(chip, CS4236_DAC_RATE, rate);
 199         spin_unlock_irqrestore(&chip->reg_lock, flags);
 200 }
 201
 202 static void snd_cs4236_capture_format(struct snd_wss *chip,
 203                                       struct snd_pcm_hw_params *params,
 204                                       unsigned char cdfr)
 205 {
 206         unsigned long flags;
 207         unsigned char rate = divisor_to_rate_register(params->rate_den);
 208
 209         spin_lock_irqsave(&chip->reg_lock, flags);
 210         /* set fast capture format change and clean capture FIFO */
 211         snd_wss_out(chip, CS4231_ALT_FEATURE_1,
 212                     chip->image[CS4231_ALT_FEATURE_1] | 0x20);
 213         snd_wss_out(chip, CS4231_REC_FORMAT, cdfr & 0xf0);
 214         snd_wss_out(chip, CS4231_ALT_FEATURE_1,
 215                     chip->image[CS4231_ALT_FEATURE_1] & ~0x20);
 216         snd_cs4236_ext_out(chip, CS4236_ADC_RATE, rate);
 217         spin_unlock_irqrestore(&chip->reg_lock, flags);
 218 }
 219
 220 #ifdef CONFIG_PM
 221
 222 static void snd_cs4236_suspend(struct snd_wss *chip)
 223 {
 224         int reg;
 225         unsigned long flags;
 226
 227         spin_lock_irqsave(&chip->reg_lock, flags);
 228         for (reg = 0; reg < 32; reg++)
 229                 chip->image[reg] = snd_wss_in(chip, reg);
 230         for (reg = 0; reg < 18; reg++)
 231                 chip->eimage[reg] = snd_cs4236_ext_in(chip, CS4236_I23VAL(reg));
 232         for (reg = 2; reg < 9; reg++)
 233                 chip->cimage[reg] = snd_cs4236_ctrl_in(chip, reg);
 234         spin_unlock_irqrestore(&chip->reg_lock, flags);
 235 }
 236
 237 static void snd_cs4236_resume(struct snd_wss *chip)
 238 {
 239         int reg;
 240         unsigned long flags;
 241
 242         snd_wss_mce_up(chip);
 243         spin_lock_irqsave(&chip->reg_lock, flags);
 244         for (reg = 0; reg < 32; reg++) {
 245                 switch (reg) {
 246                 case CS4236_EXT_REG:
 247                 case CS4231_VERSION:
 248                 case 27:        /* why? CS4235 - master left */
 249                 case 29:        /* why? CS4235 - master right */
 250                         break;
 251                 default:
 252                         snd_wss_out(chip, reg, chip->image[reg]);
 253                         break;
 254                 }
 255         }
 256         for (reg = 0; reg < 18; reg++)
 257                 snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), chip->eimage[reg]);
 258         for (reg = 2; reg < 9; reg++) {
 259                 switch (reg) {
 260                 case 7:
 261                         break;
 262                 default:
 263                         snd_cs4236_ctrl_out(chip, reg, chip->cimage[reg]);
 264                 }
 265         }
 266         spin_unlock_irqrestore(&chip->reg_lock, flags);
 267         snd_wss_mce_down(chip);
 268 }
 269
 270 #endif /* CONFIG_PM */
 271
 272 int snd_cs4236_create(struct snd_card *card,
 273                       unsigned long port,
 274                       unsigned long cport,
 275                       int irq, int dma1, int dma2,
 276                       unsigned short hardware,
 277                       unsigned short hwshare,
 278                       struct snd_wss **rchip)
 279 {
 280         struct snd_wss *chip;
 281         unsigned char ver1, ver2;
 282         unsigned int reg;
 283         int err;
 284
 285         *rchip = NULL;
 286         if (hardware == WSS_HW_DETECT)
 287                 hardware = WSS_HW_DETECT3;
 288         if (cport < 0x100) {
 289                 snd_printk("please, specify control port for CS4236+ chips\n");
 290                 return -ENODEV;
 291         }
 292         err = snd_wss_create(card, port, cport,
 293                              irq, dma1, dma2, hardware, hwshare, &chip);
 294         if (err < 0)
 295                 return err;
 296
 297         if (!(chip->hardware & WSS_HW_CS4236B_MASK)) {
 298                 snd_printk("CS4236+: MODE3 and extended registers not available, hardware=0x%x\n",chip->hardware);
 299                 snd_device_free(card, chip);
 300                 return -ENODEV;
 301         }
 302 #if 0
 303         {
 304                 int idx;
 305                 for (idx = 0; idx < 8; idx++)
 306                         snd_printk("CD%i = 0x%x\n", idx, inb(chip->cport + idx));
 307                 for (idx = 0; idx < 9; idx++)
 308                         snd_printk("C%i = 0x%x\n", idx, snd_cs4236_ctrl_in(chip, idx));
 309         }
 310 #endif
 311         ver1 = snd_cs4236_ctrl_in(chip, 1);
 312         ver2 = snd_cs4236_ext_in(chip, CS4236_VERSION);
 313         snd_printdd("CS4236: [0x%lx] C1 (version) = 0x%x, ext = 0x%x\n", cport, ver1, ver2);
 314         if (ver1 != ver2) {
 315                 snd_printk("CS4236+ chip detected, but control port 0x%lx is not valid\n", cport);
 316                 snd_device_free(card, chip);
 317                 return -ENODEV;
 318         }
 319         snd_cs4236_ctrl_out(chip, 0, 0x00);
 320         snd_cs4236_ctrl_out(chip, 2, 0xff);
 321         snd_cs4236_ctrl_out(chip, 3, 0x00);
 322         snd_cs4236_ctrl_out(chip, 4, 0x80);
 323         snd_cs4236_ctrl_out(chip, 5, ((IEC958_AES1_CON_PCM_CODER & 3) << 6) | IEC958_AES0_CON_EMPHASIS_NONE);
 324         snd_cs4236_ctrl_out(chip, 6, IEC958_AES1_CON_PCM_CODER >> 2);
 325         snd_cs4236_ctrl_out(chip, 7, 0x00);
 326         /* 0x8c for C8 is valid for Turtle Beach Malibu - the IEC-958 output */
 327         /* is working with this setup, other hardware should have */
 328         /* different signal paths and this value should be selectable */
 329         /* in the future */
 330         snd_cs4236_ctrl_out(chip, 8, 0x8c);
 331         chip->rate_constraint = snd_cs4236_xrate;
 332         chip->set_playback_format = snd_cs4236_playback_format;
 333         chip->set_capture_format = snd_cs4236_capture_format;
 334 #ifdef CONFIG_PM
 335         chip->suspend = snd_cs4236_suspend;
 336         chip->resume = snd_cs4236_resume;
 337 #endif
 338
 339         /* initialize extended registers */
 340         for (reg = 0; reg < sizeof(snd_cs4236_ext_map); reg++)
 341                 snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), snd_cs4236_ext_map[reg]);
 342
 343         /* initialize compatible but more featured registers */
 344         snd_wss_out(chip, CS4231_LEFT_INPUT, 0x40);
 345         snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x40);
 346         snd_wss_out(chip, CS4231_AUX1_LEFT_INPUT, 0xff);
 347         snd_wss_out(chip, CS4231_AUX1_RIGHT_INPUT, 0xff);
 348         snd_wss_out(chip, CS4231_AUX2_LEFT_INPUT, 0xdf);
 349         snd_wss_out(chip, CS4231_AUX2_RIGHT_INPUT, 0xdf);
 350         snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
 351         snd_wss_out(chip, CS4231_LEFT_LINE_IN, 0xff);
 352         snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
 353         switch (chip->hardware) {
 354         case WSS_HW_CS4235:
 355         case WSS_HW_CS4239:
 356                 snd_wss_out(chip, CS4235_LEFT_MASTER, 0xff);
 357                 snd_wss_out(chip, CS4235_RIGHT_MASTER, 0xff);
 358                 break;
 359         }
 360
 361         *rchip = chip;
 362         return 0;
 363 }
 364
 365 int snd_cs4236_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm)
 366 {
 367         struct snd_pcm *pcm;
 368         int err;
 369
 370         err = snd_wss_pcm(chip, device, &pcm);
 371         if (err < 0)
 372                 return err;
 373         pcm->info_flags &= ~SNDRV_PCM_INFO_JOINT_DUPLEX;
 374         if (rpcm)
 375                 *rpcm = pcm;
 376         return 0;
 377 }
 378
 379 /*
 380  *  MIXER
 381  */
 382
 383 #define CS4236_SINGLE(xname, xindex, reg, shift, mask, invert) \
 384 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 385   .info = snd_cs4236_info_single, \
 386   .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
 387   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 388
 389 static int snd_cs4236_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 390 {
 391         int mask = (kcontrol->private_value >> 16) & 0xff;
 392
 393         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 394         uinfo->count = 1;
 395         uinfo->value.integer.min = 0;
 396         uinfo->value.integer.max = mask;
 397         return 0;
 398 }
 399
 400 static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 401 {
 402         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 403         unsigned long flags;
 404         int reg = kcontrol->private_value & 0xff;
 405         int shift = (kcontrol->private_value >> 8) & 0xff;
 406         int mask = (kcontrol->private_value >> 16) & 0xff;
 407         int invert = (kcontrol->private_value >> 24) & 0xff;
 408
 409         spin_lock_irqsave(&chip->reg_lock, flags);
 410         ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(reg)] >> shift) & mask;
 411         spin_unlock_irqrestore(&chip->reg_lock, flags);
 412         if (invert)
 413                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 414         return 0;
 415 }
 416
 417 static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 418 {
 419         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 420         unsigned long flags;
 421         int reg = kcontrol->private_value & 0xff;
 422         int shift = (kcontrol->private_value >> 8) & 0xff;
 423         int mask = (kcontrol->private_value >> 16) & 0xff;
 424         int invert = (kcontrol->private_value >> 24) & 0xff;
 425         int change;
 426         unsigned short val;
 427
 428         val = (ucontrol->value.integer.value[0] & mask);
 429         if (invert)
 430                 val = mask - val;
 431         val <<= shift;
 432         spin_lock_irqsave(&chip->reg_lock, flags);
 433         val = (chip->eimage[CS4236_REG(reg)] & ~(mask << shift)) | val;
 434         change = val != chip->eimage[CS4236_REG(reg)];
 435         snd_cs4236_ext_out(chip, reg, val);
 436         spin_unlock_irqrestore(&chip->reg_lock, flags);
 437         return change;
 438 }
 439
 440 #define CS4236_SINGLEC(xname, xindex, reg, shift, mask, invert) \
 441 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 442   .info = snd_cs4236_info_single, \
 443   .get = snd_cs4236_get_singlec, .put = snd_cs4236_put_singlec, \
 444   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 445
 446 static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 447 {
 448         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 449         unsigned long flags;
 450         int reg = kcontrol->private_value & 0xff;
 451         int shift = (kcontrol->private_value >> 8) & 0xff;
 452         int mask = (kcontrol->private_value >> 16) & 0xff;
 453         int invert = (kcontrol->private_value >> 24) & 0xff;
 454
 455         spin_lock_irqsave(&chip->reg_lock, flags);
 456         ucontrol->value.integer.value[0] = (chip->cimage[reg] >> shift) & mask;
 457         spin_unlock_irqrestore(&chip->reg_lock, flags);
 458         if (invert)
 459                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 460         return 0;
 461 }
 462
 463 static int snd_cs4236_put_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 464 {
 465         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 466         unsigned long flags;
 467         int reg = kcontrol->private_value & 0xff;
 468         int shift = (kcontrol->private_value >> 8) & 0xff;
 469         int mask = (kcontrol->private_value >> 16) & 0xff;
 470         int invert = (kcontrol->private_value >> 24) & 0xff;
 471         int change;
 472         unsigned short val;
 473
 474         val = (ucontrol->value.integer.value[0] & mask);
 475         if (invert)
 476                 val = mask - val;
 477         val <<= shift;
 478         spin_lock_irqsave(&chip->reg_lock, flags);
 479         val = (chip->cimage[reg] & ~(mask << shift)) | val;
 480         change = val != chip->cimage[reg];
 481         snd_cs4236_ctrl_out(chip, reg, val);
 482         spin_unlock_irqrestore(&chip->reg_lock, flags);
 483         return change;
 484 }
 485
 486 #define CS4236_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
 487 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 488   .info = snd_cs4236_info_double, \
 489   .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
 490   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
 491
 492 static int snd_cs4236_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 493 {
 494         int mask = (kcontrol->private_value >> 24) & 0xff;
 495
 496         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 497         uinfo->count = 2;
 498         uinfo->value.integer.min = 0;
 499         uinfo->value.integer.max = mask;
 500         return 0;
 501 }
 502
 503 static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 504 {
 505         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 506         unsigned long flags;
 507         int left_reg = kcontrol->private_value & 0xff;
 508         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 509         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 510         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 511         int mask = (kcontrol->private_value >> 24) & 0xff;
 512         int invert = (kcontrol->private_value >> 22) & 1;
 513
 514         spin_lock_irqsave(&chip->reg_lock, flags);
 515         ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(left_reg)] >> shift_left) & mask;
 516         ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
 517         spin_unlock_irqrestore(&chip->reg_lock, flags);
 518         if (invert) {
 519                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 520                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 521         }
 522         return 0;
 523 }
 524
 525 static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 526 {
 527         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 528         unsigned long flags;
 529         int left_reg = kcontrol->private_value & 0xff;
 530         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 531         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 532         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 533         int mask = (kcontrol->private_value >> 24) & 0xff;
 534         int invert = (kcontrol->private_value >> 22) & 1;
 535         int change;
 536         unsigned short val1, val2;
 537
 538         val1 = ucontrol->value.integer.value[0] & mask;
 539         val2 = ucontrol->value.integer.value[1] & mask;
 540         if (invert) {
 541                 val1 = mask - val1;
 542                 val2 = mask - val2;
 543         }
 544         val1 <<= shift_left;
 545         val2 <<= shift_right;
 546         spin_lock_irqsave(&chip->reg_lock, flags);
 547         if (left_reg != right_reg) {
 548                 val1 = (chip->eimage[CS4236_REG(left_reg)] & ~(mask << shift_left)) | val1;
 549                 val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
 550                 change = val1 != chip->eimage[CS4236_REG(left_reg)] || val2 != chip->eimage[CS4236_REG(right_reg)];
 551                 snd_cs4236_ext_out(chip, left_reg, val1);
 552                 snd_cs4236_ext_out(chip, right_reg, val2);
 553         } else {
 554                 val1 = (chip->eimage[CS4236_REG(left_reg)] & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
 555                 change = val1 != chip->eimage[CS4236_REG(left_reg)];
 556                 snd_cs4236_ext_out(chip, left_reg, val1);
 557         }
 558         spin_unlock_irqrestore(&chip->reg_lock, flags);
 559         return change;
 560 }
 561
 562 #define CS4236_DOUBLE1(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
 563 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 564   .info = snd_cs4236_info_double, \
 565   .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
 566   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
 567
 568 static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 569 {
 570         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 571         unsigned long flags;
 572         int left_reg = kcontrol->private_value & 0xff;
 573         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 574         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 575         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 576         int mask = (kcontrol->private_value >> 24) & 0xff;
 577         int invert = (kcontrol->private_value >> 22) & 1;
 578
 579         spin_lock_irqsave(&chip->reg_lock, flags);
 580         ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
 581         ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
 582         spin_unlock_irqrestore(&chip->reg_lock, flags);
 583         if (invert) {
 584                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 585                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 586         }
 587         return 0;
 588 }
 589
 590 static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 591 {
 592         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 593         unsigned long flags;
 594         int left_reg = kcontrol->private_value & 0xff;
 595         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 596         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 597         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 598         int mask = (kcontrol->private_value >> 24) & 0xff;
 599         int invert = (kcontrol->private_value >> 22) & 1;
 600         int change;
 601         unsigned short val1, val2;
 602
 603         val1 = ucontrol->value.integer.value[0] & mask;
 604         val2 = ucontrol->value.integer.value[1] & mask;
 605         if (invert) {
 606                 val1 = mask - val1;
 607                 val2 = mask - val2;
 608         }
 609         val1 <<= shift_left;
 610         val2 <<= shift_right;
 611         spin_lock_irqsave(&chip->reg_lock, flags);
 612         val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
 613         val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
 614         change = val1 != chip->image[left_reg] || val2 != chip->eimage[CS4236_REG(right_reg)];
 615         snd_wss_out(chip, left_reg, val1);
 616         snd_cs4236_ext_out(chip, right_reg, val2);
 617         spin_unlock_irqrestore(&chip->reg_lock, flags);
 618         return change;
 619 }
 620
 621 #define CS4236_MASTER_DIGITAL(xname, xindex) \
 622 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 623   .info = snd_cs4236_info_double, \
 624   .get = snd_cs4236_get_master_digital, .put = snd_cs4236_put_master_digital, \
 625   .private_value = 71 << 24 }
 626
 627 static inline int snd_cs4236_mixer_master_digital_invert_volume(int vol)
 628 {
 629         return (vol < 64) ? 63 - vol : 64 + (71 - vol);
 630 }
 631
 632 static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 633 {
 634         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 635         unsigned long flags;
 636
 637         spin_lock_irqsave(&chip->reg_lock, flags);
 638         ucontrol->value.integer.value[0] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & 0x7f);
 639         ucontrol->value.integer.value[1] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & 0x7f);
 640         spin_unlock_irqrestore(&chip->reg_lock, flags);
 641         return 0;
 642 }
 643
 644 static int snd_cs4236_put_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 645 {
 646         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 647         unsigned long flags;
 648         int change;
 649         unsigned short val1, val2;
 650
 651         val1 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[0] & 0x7f);
 652         val2 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[1] & 0x7f);
 653         spin_lock_irqsave(&chip->reg_lock, flags);
 654         val1 = (chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & ~0x7f) | val1;
 655         val2 = (chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & ~0x7f) | val2;
 656         change = val1 != chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] || val2 != chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)];
 657         snd_cs4236_ext_out(chip, CS4236_LEFT_MASTER, val1);
 658         snd_cs4236_ext_out(chip, CS4236_RIGHT_MASTER, val2);
 659         spin_unlock_irqrestore(&chip->reg_lock, flags);
 660         return change;
 661 }
 662
 663 #define CS4235_OUTPUT_ACCU(xname, xindex) \
 664 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 665   .info = snd_cs4236_info_double, \
 666   .get = snd_cs4235_get_output_accu, .put = snd_cs4235_put_output_accu, \
 667   .private_value = 3 << 24 }
 668
 669 static inline int snd_cs4235_mixer_output_accu_get_volume(int vol)
 670 {
 671         switch ((vol >> 5) & 3) {
 672         case 0: return 1;
 673         case 1: return 3;
 674         case 2: return 2;
 675         case 3: return 0;
 676         }
 677         return 3;
 678 }
 679
 680 static inline int snd_cs4235_mixer_output_accu_set_volume(int vol)
 681 {
 682         switch (vol & 3) {
 683         case 0: return 3 << 5;
 684         case 1: return 0 << 5;
 685         case 2: return 2 << 5;
 686         case 3: return 1 << 5;
 687         }
 688         return 1 << 5;
 689 }
 690
 691 static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 692 {
 693         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 694         unsigned long flags;
 695
 696         spin_lock_irqsave(&chip->reg_lock, flags);
 697         ucontrol->value.integer.value[0] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_LEFT_MASTER]);
 698         ucontrol->value.integer.value[1] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_RIGHT_MASTER]);
 699         spin_unlock_irqrestore(&chip->reg_lock, flags);
 700         return 0;
 701 }
 702
 703 static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 704 {
 705         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 706         unsigned long flags;
 707         int change;
 708         unsigned short val1, val2;
 709
 710         val1 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[0]);
 711         val2 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[1]);
 712         spin_lock_irqsave(&chip->reg_lock, flags);
 713         val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1;
 714         val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2;
 715         change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER];
 716         snd_wss_out(chip, CS4235_LEFT_MASTER, val1);
 717         snd_wss_out(chip, CS4235_RIGHT_MASTER, val2);
 718         spin_unlock_irqrestore(&chip->reg_lock, flags);
 719         return change;
 720 }
 721
 722 static struct snd_kcontrol_new snd_cs4236_controls[] = {
 723
 724 CS4236_DOUBLE("Master Digital Playback Switch", 0,
 725                 CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
 726 CS4236_DOUBLE("Master Digital Capture Switch", 0,
 727                 CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
 728 CS4236_MASTER_DIGITAL("Master Digital Volume", 0),
 729
 730 CS4236_DOUBLE("Capture Boost Volume", 0,
 731                 CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1),
 732
 733 WSS_DOUBLE("PCM Playback Switch", 0,
 734                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
 735 WSS_DOUBLE("PCM Playback Volume", 0,
 736                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
 737
 738 CS4236_DOUBLE("DSP Playback Switch", 0,
 739                 CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
 740 CS4236_DOUBLE("DSP Playback Volume", 0,
 741                 CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1),
 742
 743 CS4236_DOUBLE("FM Playback Switch", 0,
 744                 CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
 745 CS4236_DOUBLE("FM Playback Volume", 0,
 746                 CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1),
 747
 748 CS4236_DOUBLE("Wavetable Playback Switch", 0,
 749                 CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
 750 CS4236_DOUBLE("Wavetable Playback Volume", 0,
 751                 CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1),
 752
 753 WSS_DOUBLE("Synth Playback Switch", 0,
 754                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
 755 WSS_DOUBLE("Synth Volume", 0,
 756                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
 757 WSS_DOUBLE("Synth Capture Switch", 0,
 758                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
 759 WSS_DOUBLE("Synth Capture Bypass", 0,
 760                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1),
 761
 762 CS4236_DOUBLE("Mic Playback Switch", 0,
 763                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
 764 CS4236_DOUBLE("Mic Capture Switch", 0,
 765                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
 766 CS4236_DOUBLE("Mic Volume", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 0, 0, 31, 1),
 767 CS4236_DOUBLE("Mic Playback Boost", 0,
 768                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0),
 769
 770 WSS_DOUBLE("Line Playback Switch", 0,
 771                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
 772 WSS_DOUBLE("Line Volume", 0,
 773                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
 774 WSS_DOUBLE("Line Capture Switch", 0,
 775                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
 776 WSS_DOUBLE("Line Capture Bypass", 0,
 777                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1),
 778
 779 WSS_DOUBLE("CD Playback Switch", 0,
 780                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
 781 WSS_DOUBLE("CD Volume", 0,
 782                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
 783 WSS_DOUBLE("CD Capture Switch", 0,
 784                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
 785
 786 CS4236_DOUBLE1("Mono Output Playback Switch", 0,
 787                 CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),
 788 CS4236_DOUBLE1("Mono Playback Switch", 0,
 789                 CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
 790 WSS_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
 791 WSS_SINGLE("Mono Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0),
 792
 793 WSS_DOUBLE("Capture Volume", 0,
 794                 CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0),
 795 WSS_DOUBLE("Analog Loopback Capture Switch", 0,
 796                 CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
 797
 798 WSS_SINGLE("Digital Loopback Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
 799 CS4236_DOUBLE1("Digital Loopback Playback Volume", 0,
 800                 CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1)
 801 };
 802
 803 static struct snd_kcontrol_new snd_cs4235_controls[] = {
 804
 805 WSS_DOUBLE("Master Switch", 0,
 806                 CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1),
 807 WSS_DOUBLE("Master Volume", 0,
 808                 CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1),
 809
 810 CS4235_OUTPUT_ACCU("Playback Volume", 0),
 811
 812 CS4236_DOUBLE("Master Digital Playback Switch", 0,
 813                 CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
 814 CS4236_DOUBLE("Master Digital Capture Switch", 0,
 815                 CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
 816 CS4236_MASTER_DIGITAL("Master Digital Volume", 0),
 817
 818 WSS_DOUBLE("Master Digital Playback Switch", 1,
 819                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
 820 WSS_DOUBLE("Master Digital Capture Switch", 1,
 821                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
 822 WSS_DOUBLE("Master Digital Volume", 1,
 823                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
 824
 825 CS4236_DOUBLE("Capture Volume", 0,
 826                 CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1),
 827
 828 WSS_DOUBLE("PCM Switch", 0,
 829                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
 830 WSS_DOUBLE("PCM Volume", 0,
 831                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
 832
 833 CS4236_DOUBLE("DSP Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
 834
 835 CS4236_DOUBLE("FM Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
 836
 837 CS4236_DOUBLE("Wavetable Switch", 0,
 838                 CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
 839
 840 CS4236_DOUBLE("Mic Capture Switch", 0,
 841                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
 842 CS4236_DOUBLE("Mic Playback Switch", 0,
 843                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
 844 CS4236_SINGLE("Mic Volume", 0, CS4236_LEFT_MIC, 0, 31, 1),
 845 CS4236_SINGLE("Mic Playback Boost", 0, CS4236_LEFT_MIC, 5, 1, 0),
 846
 847 WSS_DOUBLE("Aux Playback Switch", 0,
 848                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
 849 WSS_DOUBLE("Aux Capture Switch", 0,
 850                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
 851 WSS_DOUBLE("Aux Volume", 0,
 852                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
 853
 854 WSS_DOUBLE("Aux Playback Switch", 1,
 855                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
 856 WSS_DOUBLE("Aux Capture Switch", 1,
 857                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
 858 WSS_DOUBLE("Aux Volume", 1,
 859                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
 860
 861 CS4236_DOUBLE1("Master Mono Switch", 0,
 862                 CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),
 863
 864 CS4236_DOUBLE1("Mono Switch", 0,
 865                 CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
 866 WSS_SINGLE("Mono Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
 867
 868 WSS_DOUBLE("Analog Loopback Switch", 0,
 869                 CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
 870 };
 871
 872 #define CS4236_IEC958_ENABLE(xname, xindex) \
 873 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 874   .info = snd_cs4236_info_single, \
 875   .get = snd_cs4236_get_iec958_switch, .put = snd_cs4236_put_iec958_switch, \
 876   .private_value = 1 << 16 }
 877
 878 static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 879 {
 880         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 881         unsigned long flags;
 882
 883         spin_lock_irqsave(&chip->reg_lock, flags);
 884         ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0;
 885 #if 0
 886         printk("get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
 887                         snd_wss_in(chip, CS4231_ALT_FEATURE_1),
 888                         snd_cs4236_ctrl_in(chip, 3),
 889                         snd_cs4236_ctrl_in(chip, 4),
 890                         snd_cs4236_ctrl_in(chip, 5),
 891                         snd_cs4236_ctrl_in(chip, 6),
 892                         snd_cs4236_ctrl_in(chip, 8));
 893 #endif
 894         spin_unlock_irqrestore(&chip->reg_lock, flags);
 895         return 0;
 896 }
 897
 898 static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 899 {
 900         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 901         unsigned long flags;
 902         int change;
 903         unsigned short enable, val;
 904
 905         enable = ucontrol->value.integer.value[0] & 1;
 906
 907         mutex_lock(&chip->mce_mutex);
 908         snd_wss_mce_up(chip);
 909         spin_lock_irqsave(&chip->reg_lock, flags);
 910         val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
 911         change = val != chip->image[CS4231_ALT_FEATURE_1];
 912         snd_wss_out(chip, CS4231_ALT_FEATURE_1, val);
 913         val = snd_cs4236_ctrl_in(chip, 4) | 0xc0;
 914         snd_cs4236_ctrl_out(chip, 4, val);
 915         udelay(100);
 916         val &= ~0x40;
 917         snd_cs4236_ctrl_out(chip, 4, val);
 918         spin_unlock_irqrestore(&chip->reg_lock, flags);
 919         snd_wss_mce_down(chip);
 920         mutex_unlock(&chip->mce_mutex);
 921
 922 #if 0
 923         printk("set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
 924                         snd_wss_in(chip, CS4231_ALT_FEATURE_1),
 925                         snd_cs4236_ctrl_in(chip, 3),
 926                         snd_cs4236_ctrl_in(chip, 4),
 927                         snd_cs4236_ctrl_in(chip, 5),
 928                         snd_cs4236_ctrl_in(chip, 6),
 929                         snd_cs4236_ctrl_in(chip, 8));
 930 #endif
 931         return change;
 932 }
 933
 934 static struct snd_kcontrol_new snd_cs4236_iec958_controls[] = {
 935 CS4236_IEC958_ENABLE("IEC958 Output Enable", 0),
 936 CS4236_SINGLEC("IEC958 Output Validity", 0, 4, 4, 1, 0),
 937 CS4236_SINGLEC("IEC958 Output User", 0, 4, 5, 1, 0),
 938 CS4236_SINGLEC("IEC958 Output CSBR", 0, 4, 6, 1, 0),
 939 CS4236_SINGLEC("IEC958 Output Channel Status Low", 0, 5, 1, 127, 0),
 940 CS4236_SINGLEC("IEC958 Output Channel Status High", 0, 6, 0, 255, 0)
 941 };
 942
 943 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = {
 944 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
 945 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1)
 946 };
 947
 948 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = {
 949 CS4236_SINGLEC("3D Control - Switch", 0, 3, 7, 1, 0),
 950 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
 951 CS4236_SINGLEC("3D Control - Center", 0, 2, 0, 15, 1),
 952 CS4236_SINGLEC("3D Control - Mono", 0, 3, 6, 1, 0),
 953 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
 954 };
 955
 956 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = {
 957 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
 958 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
 959 CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1),
 960 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
 961 };
 962
 963 int snd_cs4236_mixer(struct snd_wss *chip)
 964 {
 965         struct snd_card *card;
 966         unsigned int idx, count;
 967         int err;
 968         struct snd_kcontrol_new *kcontrol;
 969
 970         if (snd_BUG_ON(!chip || !chip->card))
 971                 return -EINVAL;
 972         card = chip->card;
 973         strcpy(card->mixername, snd_wss_chip_id(chip));
 974
 975         if (chip->hardware == WSS_HW_CS4235 ||
 976             chip->hardware == WSS_HW_CS4239) {
 977                 for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) {
 978                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0)
 979                                 return err;
 980                 }
 981         } else {
 982                 for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_controls); idx++) {
 983                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip))) < 0)
 984                                 return err;
 985                 }
 986         }
 987         switch (chip->hardware) {
 988         case WSS_HW_CS4235:
 989         case WSS_HW_CS4239:
 990                 count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4235);
 991                 kcontrol = snd_cs4236_3d_controls_cs4235;
 992                 break;
 993         case WSS_HW_CS4237B:
 994                 count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4237);
 995                 kcontrol = snd_cs4236_3d_controls_cs4237;
 996                 break;
 997         case WSS_HW_CS4238B:
 998                 count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4238);
 999                 kcontrol = snd_cs4236_3d_controls_cs4238;
1000                 break;
1001         default:
1002                 count = 0;
1003                 kcontrol = NULL;
1004         }
1005         for (idx = 0; idx < count; idx++, kcontrol++) {
1006                 if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0)
1007                         return err;
1008         }
1009         if (chip->hardware == WSS_HW_CS4237B ||
1010             chip->hardware == WSS_HW_CS4238B) {
1011                 for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) {
1012                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0)
1013                                 return err;
1014                 }
1015         }
1016         return 0;
1017 }
1018
1019 EXPORT_SYMBOL(snd_cs4236_create);
1020 EXPORT_SYMBOL(snd_cs4236_pcm);
1021 EXPORT_SYMBOL(snd_cs4236_mixer);
1022
1023 /*
1024  *  INIT part
1025  */
1026
1027 static int __init alsa_cs4236_init(void)
1028 {
1029         return 0;
1030 }
1031
1032 static void __exit alsa_cs4236_exit(void)
1033 {
1034 }
1035
1036 module_init(alsa_cs4236_init)
1037 module_exit(alsa_cs4236_exit)