root/sound/isa/cs423x/cs4236_lib.c

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DEFINITIONS

This source file includes following definitions.
  1. snd_cs4236_ctrl_out
  2. snd_cs4236_ctrl_in
  3. snd_cs4236_xrate
  4. divisor_to_rate_register
  5. snd_cs4236_playback_format
  6. snd_cs4236_capture_format
  7. snd_cs4236_suspend
  8. snd_cs4236_resume
  9. snd_cs4236_create
  10. snd_cs4236_pcm
  11. snd_cs4236_info_single
  12. snd_cs4236_get_single
  13. snd_cs4236_put_single
  14. snd_cs4236_get_singlec
  15. snd_cs4236_put_singlec
  16. snd_cs4236_info_double
  17. snd_cs4236_get_double
  18. snd_cs4236_put_double
  19. snd_cs4236_get_double1
  20. snd_cs4236_put_double1
  21. snd_cs4236_mixer_master_digital_invert_volume
  22. snd_cs4236_get_master_digital
  23. snd_cs4236_put_master_digital
  24. snd_cs4235_mixer_output_accu_get_volume
  25. snd_cs4235_mixer_output_accu_set_volume
  26. snd_cs4235_get_output_accu
  27. snd_cs4235_put_output_accu
  28. snd_cs4236_get_iec958_switch
  29. snd_cs4236_put_iec958_switch
  30. snd_cs4236_mixer

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4  *  Routines for control of CS4235/4236B/4237B/4238B/4239 chips
   5  *
   6  *  Note:
   7  *     -----
   8  *
   9  *  Bugs:
  10  *     -----
  11  */
  12 
  13 /*
  14  *  Indirect control registers (CS4236B+)
  15  * 
  16  *  C0
  17  *     D8: WSS reset (all chips)
  18  *
  19  *  C1 (all chips except CS4236)
  20  *     D7-D5: version 
  21  *     D4-D0: chip id
  22  *             11101 - CS4235
  23  *             01011 - CS4236B
  24  *             01000 - CS4237B
  25  *             01001 - CS4238B
  26  *             11110 - CS4239
  27  *
  28  *  C2
  29  *     D7-D4: 3D Space (CS4235,CS4237B,CS4238B,CS4239)
  30  *     D3-D0: 3D Center (CS4237B); 3D Volume (CS4238B)
  31  * 
  32  *  C3
  33  *     D7: 3D Enable (CS4237B)
  34  *     D6: 3D Mono Enable (CS4237B)
  35  *     D5: 3D Serial Output (CS4237B,CS4238B)
  36  *     D4: 3D Enable (CS4235,CS4238B,CS4239)
  37  *
  38  *  C4
  39  *     D7: consumer serial port enable (CS4237B,CS4238B)
  40  *     D6: channels status block reset (CS4237B,CS4238B)
  41  *     D5: user bit in sub-frame of digital audio data (CS4237B,CS4238B)
  42  *     D4: validity bit bit in sub-frame of digital audio data (CS4237B,CS4238B)
  43  * 
  44  *  C5  lower channel status (digital serial data description) (CS4237B,CS4238B)
  45  *     D7-D6: first two bits of category code
  46  *     D5: lock
  47  *     D4-D3: pre-emphasis (0 = none, 1 = 50/15us)
  48  *     D2: copy/copyright (0 = copy inhibited)
  49  *     D1: 0 = digital audio / 1 = non-digital audio
  50  *     
  51  *  C6  upper channel status (digital serial data description) (CS4237B,CS4238B)
  52  *     D7-D6: sample frequency (0 = 44.1kHz)
  53  *     D5: generation status (0 = no indication, 1 = original/commercially precaptureed data)
  54  *     D4-D0: category code (upper bits)
  55  *
  56  *  C7  reserved (must write 0)
  57  *
  58  *  C8  wavetable control
  59  *     D7: volume control interrupt enable (CS4235,CS4239)
  60  *     D6: hardware volume control format (CS4235,CS4239)
  61  *     D3: wavetable serial port enable (all chips)
  62  *     D2: DSP serial port switch (all chips)
  63  *     D1: disable MCLK (all chips)
  64  *     D0: force BRESET low (all chips)
  65  *
  66  */
  67 
  68 #include <linux/io.h>
  69 #include <linux/delay.h>
  70 #include <linux/init.h>
  71 #include <linux/time.h>
  72 #include <linux/wait.h>
  73 #include <sound/core.h>
  74 #include <sound/wss.h>
  75 #include <sound/asoundef.h>
  76 #include <sound/initval.h>
  77 #include <sound/tlv.h>
  78 
  79 /*
  80  *
  81  */
  82 
  83 static unsigned char snd_cs4236_ext_map[18] = {
  84         /* CS4236_LEFT_LINE */          0xff,
  85         /* CS4236_RIGHT_LINE */         0xff,
  86         /* CS4236_LEFT_MIC */           0xdf,
  87         /* CS4236_RIGHT_MIC */          0xdf,
  88         /* CS4236_LEFT_MIX_CTRL */      0xe0 | 0x18,
  89         /* CS4236_RIGHT_MIX_CTRL */     0xe0,
  90         /* CS4236_LEFT_FM */            0xbf,
  91         /* CS4236_RIGHT_FM */           0xbf,
  92         /* CS4236_LEFT_DSP */           0xbf,
  93         /* CS4236_RIGHT_DSP */          0xbf,
  94         /* CS4236_RIGHT_LOOPBACK */     0xbf,
  95         /* CS4236_DAC_MUTE */           0xe0,
  96         /* CS4236_ADC_RATE */           0x01,   /* 48kHz */
  97         /* CS4236_DAC_RATE */           0x01,   /* 48kHz */
  98         /* CS4236_LEFT_MASTER */        0xbf,
  99         /* CS4236_RIGHT_MASTER */       0xbf,
 100         /* CS4236_LEFT_WAVE */          0xbf,
 101         /* CS4236_RIGHT_WAVE */         0xbf
 102 };
 103 
 104 /*
 105  *
 106  */
 107 
 108 static void snd_cs4236_ctrl_out(struct snd_wss *chip,
 109                                 unsigned char reg, unsigned char val)
 110 {
 111         outb(reg, chip->cport + 3);
 112         outb(chip->cimage[reg] = val, chip->cport + 4);
 113 }
 114 
 115 static unsigned char snd_cs4236_ctrl_in(struct snd_wss *chip, unsigned char reg)
 116 {
 117         outb(reg, chip->cport + 3);
 118         return inb(chip->cport + 4);
 119 }
 120 
 121 /*
 122  *  PCM
 123  */
 124 
 125 #define CLOCKS 8
 126 
 127 static const struct snd_ratnum clocks[CLOCKS] = {
 128         { .num = 16934400, .den_min = 353, .den_max = 353, .den_step = 1 },
 129         { .num = 16934400, .den_min = 529, .den_max = 529, .den_step = 1 },
 130         { .num = 16934400, .den_min = 617, .den_max = 617, .den_step = 1 },
 131         { .num = 16934400, .den_min = 1058, .den_max = 1058, .den_step = 1 },
 132         { .num = 16934400, .den_min = 1764, .den_max = 1764, .den_step = 1 },
 133         { .num = 16934400, .den_min = 2117, .den_max = 2117, .den_step = 1 },
 134         { .num = 16934400, .den_min = 2558, .den_max = 2558, .den_step = 1 },
 135         { .num = 16934400/16, .den_min = 21, .den_max = 192, .den_step = 1 }
 136 };
 137 
 138 static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
 139         .nrats = CLOCKS,
 140         .rats = clocks,
 141 };
 142 
 143 static int snd_cs4236_xrate(struct snd_pcm_runtime *runtime)
 144 {
 145         return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 146                                              &hw_constraints_clocks);
 147 }
 148 
 149 static unsigned char divisor_to_rate_register(unsigned int divisor)
 150 {
 151         switch (divisor) {
 152         case 353:       return 1;
 153         case 529:       return 2;
 154         case 617:       return 3;
 155         case 1058:      return 4;
 156         case 1764:      return 5;
 157         case 2117:      return 6;
 158         case 2558:      return 7;
 159         default:
 160                 if (divisor < 21 || divisor > 192) {
 161                         snd_BUG();
 162                         return 192;
 163                 }
 164                 return divisor;
 165         }
 166 }
 167 
 168 static void snd_cs4236_playback_format(struct snd_wss *chip,
 169                                        struct snd_pcm_hw_params *params,
 170                                        unsigned char pdfr)
 171 {
 172         unsigned long flags;
 173         unsigned char rate = divisor_to_rate_register(params->rate_den);
 174         
 175         spin_lock_irqsave(&chip->reg_lock, flags);
 176         /* set fast playback format change and clean playback FIFO */
 177         snd_wss_out(chip, CS4231_ALT_FEATURE_1,
 178                     chip->image[CS4231_ALT_FEATURE_1] | 0x10);
 179         snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr & 0xf0);
 180         snd_wss_out(chip, CS4231_ALT_FEATURE_1,
 181                     chip->image[CS4231_ALT_FEATURE_1] & ~0x10);
 182         snd_cs4236_ext_out(chip, CS4236_DAC_RATE, rate);
 183         spin_unlock_irqrestore(&chip->reg_lock, flags);
 184 }
 185 
 186 static void snd_cs4236_capture_format(struct snd_wss *chip,
 187                                       struct snd_pcm_hw_params *params,
 188                                       unsigned char cdfr)
 189 {
 190         unsigned long flags;
 191         unsigned char rate = divisor_to_rate_register(params->rate_den);
 192         
 193         spin_lock_irqsave(&chip->reg_lock, flags);
 194         /* set fast capture format change and clean capture FIFO */
 195         snd_wss_out(chip, CS4231_ALT_FEATURE_1,
 196                     chip->image[CS4231_ALT_FEATURE_1] | 0x20);
 197         snd_wss_out(chip, CS4231_REC_FORMAT, cdfr & 0xf0);
 198         snd_wss_out(chip, CS4231_ALT_FEATURE_1,
 199                     chip->image[CS4231_ALT_FEATURE_1] & ~0x20);
 200         snd_cs4236_ext_out(chip, CS4236_ADC_RATE, rate);
 201         spin_unlock_irqrestore(&chip->reg_lock, flags);
 202 }
 203 
 204 #ifdef CONFIG_PM
 205 
 206 static void snd_cs4236_suspend(struct snd_wss *chip)
 207 {
 208         int reg;
 209         unsigned long flags;
 210         
 211         spin_lock_irqsave(&chip->reg_lock, flags);
 212         for (reg = 0; reg < 32; reg++)
 213                 chip->image[reg] = snd_wss_in(chip, reg);
 214         for (reg = 0; reg < 18; reg++)
 215                 chip->eimage[reg] = snd_cs4236_ext_in(chip, CS4236_I23VAL(reg));
 216         for (reg = 2; reg < 9; reg++)
 217                 chip->cimage[reg] = snd_cs4236_ctrl_in(chip, reg);
 218         spin_unlock_irqrestore(&chip->reg_lock, flags);
 219 }
 220 
 221 static void snd_cs4236_resume(struct snd_wss *chip)
 222 {
 223         int reg;
 224         unsigned long flags;
 225         
 226         snd_wss_mce_up(chip);
 227         spin_lock_irqsave(&chip->reg_lock, flags);
 228         for (reg = 0; reg < 32; reg++) {
 229                 switch (reg) {
 230                 case CS4236_EXT_REG:
 231                 case CS4231_VERSION:
 232                 case 27:        /* why? CS4235 - master left */
 233                 case 29:        /* why? CS4235 - master right */
 234                         break;
 235                 default:
 236                         snd_wss_out(chip, reg, chip->image[reg]);
 237                         break;
 238                 }
 239         }
 240         for (reg = 0; reg < 18; reg++)
 241                 snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), chip->eimage[reg]);
 242         for (reg = 2; reg < 9; reg++) {
 243                 switch (reg) {
 244                 case 7:
 245                         break;
 246                 default:
 247                         snd_cs4236_ctrl_out(chip, reg, chip->cimage[reg]);
 248                 }
 249         }
 250         spin_unlock_irqrestore(&chip->reg_lock, flags);
 251         snd_wss_mce_down(chip);
 252 }
 253 
 254 #endif /* CONFIG_PM */
 255 /*
 256  * This function does no fail if the chip is not CS4236B or compatible.
 257  * It just an equivalent to the snd_wss_create() then.
 258  */
 259 int snd_cs4236_create(struct snd_card *card,
 260                       unsigned long port,
 261                       unsigned long cport,
 262                       int irq, int dma1, int dma2,
 263                       unsigned short hardware,
 264                       unsigned short hwshare,
 265                       struct snd_wss **rchip)
 266 {
 267         struct snd_wss *chip;
 268         unsigned char ver1, ver2;
 269         unsigned int reg;
 270         int err;
 271 
 272         *rchip = NULL;
 273         if (hardware == WSS_HW_DETECT)
 274                 hardware = WSS_HW_DETECT3;
 275 
 276         err = snd_wss_create(card, port, cport,
 277                              irq, dma1, dma2, hardware, hwshare, &chip);
 278         if (err < 0)
 279                 return err;
 280 
 281         if ((chip->hardware & WSS_HW_CS4236B_MASK) == 0) {
 282                 snd_printd("chip is not CS4236+, hardware=0x%x\n",
 283                            chip->hardware);
 284                 *rchip = chip;
 285                 return 0;
 286         }
 287 #if 0
 288         {
 289                 int idx;
 290                 for (idx = 0; idx < 8; idx++)
 291                         snd_printk(KERN_DEBUG "CD%i = 0x%x\n",
 292                                    idx, inb(chip->cport + idx));
 293                 for (idx = 0; idx < 9; idx++)
 294                         snd_printk(KERN_DEBUG "C%i = 0x%x\n",
 295                                    idx, snd_cs4236_ctrl_in(chip, idx));
 296         }
 297 #endif
 298         if (cport < 0x100 || cport == SNDRV_AUTO_PORT) {
 299                 snd_printk(KERN_ERR "please, specify control port "
 300                            "for CS4236+ chips\n");
 301                 snd_device_free(card, chip);
 302                 return -ENODEV;
 303         }
 304         ver1 = snd_cs4236_ctrl_in(chip, 1);
 305         ver2 = snd_cs4236_ext_in(chip, CS4236_VERSION);
 306         snd_printdd("CS4236: [0x%lx] C1 (version) = 0x%x, ext = 0x%x\n",
 307                         cport, ver1, ver2);
 308         if (ver1 != ver2) {
 309                 snd_printk(KERN_ERR "CS4236+ chip detected, but "
 310                            "control port 0x%lx is not valid\n", cport);
 311                 snd_device_free(card, chip);
 312                 return -ENODEV;
 313         }
 314         snd_cs4236_ctrl_out(chip, 0, 0x00);
 315         snd_cs4236_ctrl_out(chip, 2, 0xff);
 316         snd_cs4236_ctrl_out(chip, 3, 0x00);
 317         snd_cs4236_ctrl_out(chip, 4, 0x80);
 318         reg = ((IEC958_AES1_CON_PCM_CODER & 3) << 6) |
 319               IEC958_AES0_CON_EMPHASIS_NONE;
 320         snd_cs4236_ctrl_out(chip, 5, reg);
 321         snd_cs4236_ctrl_out(chip, 6, IEC958_AES1_CON_PCM_CODER >> 2);
 322         snd_cs4236_ctrl_out(chip, 7, 0x00);
 323         /*
 324          * 0x8c for C8 is valid for Turtle Beach Malibu - the IEC-958
 325          * output is working with this setup, other hardware should
 326          * have different signal paths and this value should be
 327          * selectable in the future
 328          */
 329         snd_cs4236_ctrl_out(chip, 8, 0x8c);
 330         chip->rate_constraint = snd_cs4236_xrate;
 331         chip->set_playback_format = snd_cs4236_playback_format;
 332         chip->set_capture_format = snd_cs4236_capture_format;
 333 #ifdef CONFIG_PM
 334         chip->suspend = snd_cs4236_suspend;
 335         chip->resume = snd_cs4236_resume;
 336 #endif
 337 
 338         /* initialize extended registers */
 339         for (reg = 0; reg < sizeof(snd_cs4236_ext_map); reg++)
 340                 snd_cs4236_ext_out(chip, CS4236_I23VAL(reg),
 341                                    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)
 366 {
 367         int err;
 368         
 369         err = snd_wss_pcm(chip, device);
 370         if (err < 0)
 371                 return err;
 372         chip->pcm->info_flags &= ~SNDRV_PCM_INFO_JOINT_DUPLEX;
 373         return 0;
 374 }
 375 
 376 /*
 377  *  MIXER
 378  */
 379 
 380 #define CS4236_SINGLE(xname, xindex, reg, shift, mask, invert) \
 381 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 382   .info = snd_cs4236_info_single, \
 383   .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
 384   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 385 
 386 #define CS4236_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
 387 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 388   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 389   .info = snd_cs4236_info_single, \
 390   .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
 391   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
 392   .tlv = { .p = (xtlv) } }
 393 
 394 static int snd_cs4236_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 395 {
 396         int mask = (kcontrol->private_value >> 16) & 0xff;
 397 
 398         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 399         uinfo->count = 1;
 400         uinfo->value.integer.min = 0;
 401         uinfo->value.integer.max = mask;
 402         return 0;
 403 }
 404 
 405 static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 406 {
 407         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 408         unsigned long flags;
 409         int reg = kcontrol->private_value & 0xff;
 410         int shift = (kcontrol->private_value >> 8) & 0xff;
 411         int mask = (kcontrol->private_value >> 16) & 0xff;
 412         int invert = (kcontrol->private_value >> 24) & 0xff;
 413         
 414         spin_lock_irqsave(&chip->reg_lock, flags);
 415         ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(reg)] >> shift) & mask;
 416         spin_unlock_irqrestore(&chip->reg_lock, flags);
 417         if (invert)
 418                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 419         return 0;
 420 }
 421 
 422 static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 423 {
 424         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 425         unsigned long flags;
 426         int reg = kcontrol->private_value & 0xff;
 427         int shift = (kcontrol->private_value >> 8) & 0xff;
 428         int mask = (kcontrol->private_value >> 16) & 0xff;
 429         int invert = (kcontrol->private_value >> 24) & 0xff;
 430         int change;
 431         unsigned short val;
 432         
 433         val = (ucontrol->value.integer.value[0] & mask);
 434         if (invert)
 435                 val = mask - val;
 436         val <<= shift;
 437         spin_lock_irqsave(&chip->reg_lock, flags);
 438         val = (chip->eimage[CS4236_REG(reg)] & ~(mask << shift)) | val;
 439         change = val != chip->eimage[CS4236_REG(reg)];
 440         snd_cs4236_ext_out(chip, reg, val);
 441         spin_unlock_irqrestore(&chip->reg_lock, flags);
 442         return change;
 443 }
 444 
 445 #define CS4236_SINGLEC(xname, xindex, reg, shift, mask, invert) \
 446 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 447   .info = snd_cs4236_info_single, \
 448   .get = snd_cs4236_get_singlec, .put = snd_cs4236_put_singlec, \
 449   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 450 
 451 static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 452 {
 453         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 454         unsigned long flags;
 455         int reg = kcontrol->private_value & 0xff;
 456         int shift = (kcontrol->private_value >> 8) & 0xff;
 457         int mask = (kcontrol->private_value >> 16) & 0xff;
 458         int invert = (kcontrol->private_value >> 24) & 0xff;
 459         
 460         spin_lock_irqsave(&chip->reg_lock, flags);
 461         ucontrol->value.integer.value[0] = (chip->cimage[reg] >> shift) & mask;
 462         spin_unlock_irqrestore(&chip->reg_lock, flags);
 463         if (invert)
 464                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 465         return 0;
 466 }
 467 
 468 static int snd_cs4236_put_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 469 {
 470         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 471         unsigned long flags;
 472         int reg = kcontrol->private_value & 0xff;
 473         int shift = (kcontrol->private_value >> 8) & 0xff;
 474         int mask = (kcontrol->private_value >> 16) & 0xff;
 475         int invert = (kcontrol->private_value >> 24) & 0xff;
 476         int change;
 477         unsigned short val;
 478         
 479         val = (ucontrol->value.integer.value[0] & mask);
 480         if (invert)
 481                 val = mask - val;
 482         val <<= shift;
 483         spin_lock_irqsave(&chip->reg_lock, flags);
 484         val = (chip->cimage[reg] & ~(mask << shift)) | val;
 485         change = val != chip->cimage[reg];
 486         snd_cs4236_ctrl_out(chip, reg, val);
 487         spin_unlock_irqrestore(&chip->reg_lock, flags);
 488         return change;
 489 }
 490 
 491 #define CS4236_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
 492 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 493   .info = snd_cs4236_info_double, \
 494   .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
 495   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
 496 
 497 #define CS4236_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, \
 498                           shift_right, mask, invert, xtlv) \
 499 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 500   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 501   .info = snd_cs4236_info_double, \
 502   .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
 503   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
 504                    (shift_right << 19) | (mask << 24) | (invert << 22), \
 505   .tlv = { .p = (xtlv) } }
 506 
 507 static int snd_cs4236_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 508 {
 509         int mask = (kcontrol->private_value >> 24) & 0xff;
 510 
 511         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 512         uinfo->count = 2;
 513         uinfo->value.integer.min = 0;
 514         uinfo->value.integer.max = mask;
 515         return 0;
 516 }
 517 
 518 static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 519 {
 520         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 521         unsigned long flags;
 522         int left_reg = kcontrol->private_value & 0xff;
 523         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 524         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 525         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 526         int mask = (kcontrol->private_value >> 24) & 0xff;
 527         int invert = (kcontrol->private_value >> 22) & 1;
 528         
 529         spin_lock_irqsave(&chip->reg_lock, flags);
 530         ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(left_reg)] >> shift_left) & mask;
 531         ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
 532         spin_unlock_irqrestore(&chip->reg_lock, flags);
 533         if (invert) {
 534                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 535                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 536         }
 537         return 0;
 538 }
 539 
 540 static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 541 {
 542         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 543         unsigned long flags;
 544         int left_reg = kcontrol->private_value & 0xff;
 545         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 546         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 547         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 548         int mask = (kcontrol->private_value >> 24) & 0xff;
 549         int invert = (kcontrol->private_value >> 22) & 1;
 550         int change;
 551         unsigned short val1, val2;
 552         
 553         val1 = ucontrol->value.integer.value[0] & mask;
 554         val2 = ucontrol->value.integer.value[1] & mask;
 555         if (invert) {
 556                 val1 = mask - val1;
 557                 val2 = mask - val2;
 558         }
 559         val1 <<= shift_left;
 560         val2 <<= shift_right;
 561         spin_lock_irqsave(&chip->reg_lock, flags);
 562         if (left_reg != right_reg) {
 563                 val1 = (chip->eimage[CS4236_REG(left_reg)] & ~(mask << shift_left)) | val1;
 564                 val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
 565                 change = val1 != chip->eimage[CS4236_REG(left_reg)] || val2 != chip->eimage[CS4236_REG(right_reg)];
 566                 snd_cs4236_ext_out(chip, left_reg, val1);
 567                 snd_cs4236_ext_out(chip, right_reg, val2);
 568         } else {
 569                 val1 = (chip->eimage[CS4236_REG(left_reg)] & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
 570                 change = val1 != chip->eimage[CS4236_REG(left_reg)];
 571                 snd_cs4236_ext_out(chip, left_reg, val1);
 572         }
 573         spin_unlock_irqrestore(&chip->reg_lock, flags);
 574         return change;
 575 }
 576 
 577 #define CS4236_DOUBLE1(xname, xindex, left_reg, right_reg, shift_left, \
 578                         shift_right, mask, invert) \
 579 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 580   .info = snd_cs4236_info_double, \
 581   .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
 582   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
 583 
 584 #define CS4236_DOUBLE1_TLV(xname, xindex, left_reg, right_reg, shift_left, \
 585                            shift_right, mask, invert, xtlv) \
 586 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 587   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 588   .info = snd_cs4236_info_double, \
 589   .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
 590   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
 591                    (shift_right << 19) | (mask << 24) | (invert << 22), \
 592   .tlv = { .p = (xtlv) } }
 593 
 594 static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 595 {
 596         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 597         unsigned long flags;
 598         int left_reg = kcontrol->private_value & 0xff;
 599         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 600         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 601         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 602         int mask = (kcontrol->private_value >> 24) & 0xff;
 603         int invert = (kcontrol->private_value >> 22) & 1;
 604         
 605         spin_lock_irqsave(&chip->reg_lock, flags);
 606         ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
 607         ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
 608         spin_unlock_irqrestore(&chip->reg_lock, flags);
 609         if (invert) {
 610                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 611                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 612         }
 613         return 0;
 614 }
 615 
 616 static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 617 {
 618         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 619         unsigned long flags;
 620         int left_reg = kcontrol->private_value & 0xff;
 621         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 622         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 623         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 624         int mask = (kcontrol->private_value >> 24) & 0xff;
 625         int invert = (kcontrol->private_value >> 22) & 1;
 626         int change;
 627         unsigned short val1, val2;
 628         
 629         val1 = ucontrol->value.integer.value[0] & mask;
 630         val2 = ucontrol->value.integer.value[1] & mask;
 631         if (invert) {
 632                 val1 = mask - val1;
 633                 val2 = mask - val2;
 634         }
 635         val1 <<= shift_left;
 636         val2 <<= shift_right;
 637         spin_lock_irqsave(&chip->reg_lock, flags);
 638         val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
 639         val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
 640         change = val1 != chip->image[left_reg] || val2 != chip->eimage[CS4236_REG(right_reg)];
 641         snd_wss_out(chip, left_reg, val1);
 642         snd_cs4236_ext_out(chip, right_reg, val2);
 643         spin_unlock_irqrestore(&chip->reg_lock, flags);
 644         return change;
 645 }
 646 
 647 #define CS4236_MASTER_DIGITAL(xname, xindex, xtlv) \
 648 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 649   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 650   .info = snd_cs4236_info_double, \
 651   .get = snd_cs4236_get_master_digital, .put = snd_cs4236_put_master_digital, \
 652   .private_value = 71 << 24, \
 653   .tlv = { .p = (xtlv) } }
 654 
 655 static inline int snd_cs4236_mixer_master_digital_invert_volume(int vol)
 656 {
 657         return (vol < 64) ? 63 - vol : 64 + (71 - vol);
 658 }
 659 
 660 static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 661 {
 662         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 663         unsigned long flags;
 664         
 665         spin_lock_irqsave(&chip->reg_lock, flags);
 666         ucontrol->value.integer.value[0] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & 0x7f);
 667         ucontrol->value.integer.value[1] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & 0x7f);
 668         spin_unlock_irqrestore(&chip->reg_lock, flags);
 669         return 0;
 670 }
 671 
 672 static int snd_cs4236_put_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 673 {
 674         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 675         unsigned long flags;
 676         int change;
 677         unsigned short val1, val2;
 678         
 679         val1 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[0] & 0x7f);
 680         val2 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[1] & 0x7f);
 681         spin_lock_irqsave(&chip->reg_lock, flags);
 682         val1 = (chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & ~0x7f) | val1;
 683         val2 = (chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & ~0x7f) | val2;
 684         change = val1 != chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] || val2 != chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)];
 685         snd_cs4236_ext_out(chip, CS4236_LEFT_MASTER, val1);
 686         snd_cs4236_ext_out(chip, CS4236_RIGHT_MASTER, val2);
 687         spin_unlock_irqrestore(&chip->reg_lock, flags);
 688         return change;
 689 }
 690 
 691 #define CS4235_OUTPUT_ACCU(xname, xindex, xtlv) \
 692 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 693   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 694   .info = snd_cs4236_info_double, \
 695   .get = snd_cs4235_get_output_accu, .put = snd_cs4235_put_output_accu, \
 696   .private_value = 3 << 24, \
 697   .tlv = { .p = (xtlv) } }
 698 
 699 static inline int snd_cs4235_mixer_output_accu_get_volume(int vol)
 700 {
 701         switch ((vol >> 5) & 3) {
 702         case 0: return 1;
 703         case 1: return 3;
 704         case 2: return 2;
 705         case 3: return 0;
 706         }
 707         return 3;
 708 }
 709 
 710 static inline int snd_cs4235_mixer_output_accu_set_volume(int vol)
 711 {
 712         switch (vol & 3) {
 713         case 0: return 3 << 5;
 714         case 1: return 0 << 5;
 715         case 2: return 2 << 5;
 716         case 3: return 1 << 5;
 717         }
 718         return 1 << 5;
 719 }
 720 
 721 static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 722 {
 723         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 724         unsigned long flags;
 725         
 726         spin_lock_irqsave(&chip->reg_lock, flags);
 727         ucontrol->value.integer.value[0] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_LEFT_MASTER]);
 728         ucontrol->value.integer.value[1] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_RIGHT_MASTER]);
 729         spin_unlock_irqrestore(&chip->reg_lock, flags);
 730         return 0;
 731 }
 732 
 733 static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 734 {
 735         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 736         unsigned long flags;
 737         int change;
 738         unsigned short val1, val2;
 739         
 740         val1 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[0]);
 741         val2 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[1]);
 742         spin_lock_irqsave(&chip->reg_lock, flags);
 743         val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1;
 744         val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2;
 745         change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER];
 746         snd_wss_out(chip, CS4235_LEFT_MASTER, val1);
 747         snd_wss_out(chip, CS4235_RIGHT_MASTER, val2);
 748         spin_unlock_irqrestore(&chip->reg_lock, flags);
 749         return change;
 750 }
 751 
 752 static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -9450, 150, 0);
 753 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
 754 static const DECLARE_TLV_DB_SCALE(db_scale_6bit_12db_max, -8250, 150, 0);
 755 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
 756 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_22db_max, -2400, 150, 0);
 757 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
 758 static const DECLARE_TLV_DB_SCALE(db_scale_2bit, -1800, 600, 0);
 759 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
 760 
 761 static struct snd_kcontrol_new snd_cs4236_controls[] = {
 762 
 763 CS4236_DOUBLE("Master Digital Playback Switch", 0,
 764                 CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
 765 CS4236_DOUBLE("Master Digital Capture Switch", 0,
 766                 CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
 767 CS4236_MASTER_DIGITAL("Master Digital Volume", 0, db_scale_7bit),
 768 
 769 CS4236_DOUBLE_TLV("Capture Boost Volume", 0,
 770                   CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1,
 771                   db_scale_2bit),
 772 
 773 WSS_DOUBLE("PCM Playback Switch", 0,
 774                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
 775 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
 776                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1,
 777                 db_scale_6bit),
 778 
 779 CS4236_DOUBLE("DSP Playback Switch", 0,
 780                 CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
 781 CS4236_DOUBLE_TLV("DSP Playback Volume", 0,
 782                   CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1,
 783                   db_scale_6bit),
 784 
 785 CS4236_DOUBLE("FM Playback Switch", 0,
 786                 CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
 787 CS4236_DOUBLE_TLV("FM Playback Volume", 0,
 788                   CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1,
 789                   db_scale_6bit),
 790 
 791 CS4236_DOUBLE("Wavetable Playback Switch", 0,
 792                 CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
 793 CS4236_DOUBLE_TLV("Wavetable Playback Volume", 0,
 794                   CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1,
 795                   db_scale_6bit_12db_max),
 796 
 797 WSS_DOUBLE("Synth Playback Switch", 0,
 798                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
 799 WSS_DOUBLE_TLV("Synth Volume", 0,
 800                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1,
 801                 db_scale_5bit_12db_max),
 802 WSS_DOUBLE("Synth Capture Switch", 0,
 803                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
 804 WSS_DOUBLE("Synth Capture Bypass", 0,
 805                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1),
 806 
 807 CS4236_DOUBLE("Mic Playback Switch", 0,
 808                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
 809 CS4236_DOUBLE("Mic Capture Switch", 0,
 810                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
 811 CS4236_DOUBLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC,
 812                   0, 0, 31, 1, db_scale_5bit_22db_max),
 813 CS4236_DOUBLE("Mic Playback Boost (+20dB)", 0,
 814                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0),
 815 
 816 WSS_DOUBLE("Line Playback Switch", 0,
 817                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
 818 WSS_DOUBLE_TLV("Line Volume", 0,
 819                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
 820                 db_scale_5bit_12db_max),
 821 WSS_DOUBLE("Line Capture Switch", 0,
 822                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
 823 WSS_DOUBLE("Line Capture Bypass", 0,
 824                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1),
 825 
 826 WSS_DOUBLE("CD Playback Switch", 0,
 827                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
 828 WSS_DOUBLE_TLV("CD Volume", 0,
 829                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
 830                 db_scale_5bit_12db_max),
 831 WSS_DOUBLE("CD Capture Switch", 0,
 832                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
 833 
 834 CS4236_DOUBLE1("Mono Output Playback Switch", 0,
 835                 CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),
 836 CS4236_DOUBLE1("Beep Playback Switch", 0,
 837                 CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
 838 WSS_SINGLE_TLV("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1,
 839                 db_scale_4bit),
 840 WSS_SINGLE("Beep Bypass Playback Switch", 0, CS4231_MONO_CTRL, 5, 1, 0),
 841 
 842 WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT,
 843                 0, 0, 15, 0, db_scale_rec_gain),
 844 WSS_DOUBLE("Analog Loopback Capture Switch", 0,
 845                 CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
 846 
 847 WSS_SINGLE("Loopback Digital Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
 848 CS4236_DOUBLE1_TLV("Loopback Digital Playback Volume", 0,
 849                    CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1,
 850                    db_scale_6bit),
 851 };
 852 
 853 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_6db_max, -5600, 200, 0);
 854 static const DECLARE_TLV_DB_SCALE(db_scale_2bit_16db_max, -2400, 800, 0);
 855 
 856 static struct snd_kcontrol_new snd_cs4235_controls[] = {
 857 
 858 WSS_DOUBLE("Master Playback Switch", 0,
 859                 CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1),
 860 WSS_DOUBLE_TLV("Master Playback Volume", 0,
 861                 CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1,
 862                 db_scale_5bit_6db_max),
 863 
 864 CS4235_OUTPUT_ACCU("Playback Volume", 0, db_scale_2bit_16db_max),
 865 
 866 WSS_DOUBLE("Synth Playback Switch", 1,
 867                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
 868 WSS_DOUBLE("Synth Capture Switch", 1,
 869                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
 870 WSS_DOUBLE_TLV("Synth Volume", 1,
 871                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1,
 872                 db_scale_5bit_12db_max),
 873 
 874 CS4236_DOUBLE_TLV("Capture Volume", 0,
 875                   CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1,
 876                   db_scale_2bit),
 877 
 878 WSS_DOUBLE("PCM Playback Switch", 0,
 879                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
 880 WSS_DOUBLE("PCM Capture Switch", 0,
 881                 CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
 882 WSS_DOUBLE_TLV("PCM Volume", 0,
 883                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1,
 884                 db_scale_6bit),
 885 
 886 CS4236_DOUBLE("DSP Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
 887 
 888 CS4236_DOUBLE("FM Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
 889 
 890 CS4236_DOUBLE("Wavetable Switch", 0,
 891                 CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
 892 
 893 CS4236_DOUBLE("Mic Capture Switch", 0,
 894                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
 895 CS4236_DOUBLE("Mic Playback Switch", 0,
 896                 CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
 897 CS4236_SINGLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, 0, 31, 1,
 898                   db_scale_5bit_22db_max),
 899 CS4236_SINGLE("Mic Boost (+20dB)", 0, CS4236_LEFT_MIC, 5, 1, 0),
 900 
 901 WSS_DOUBLE("Line Playback Switch", 0,
 902                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
 903 WSS_DOUBLE("Line Capture Switch", 0,
 904                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
 905 WSS_DOUBLE_TLV("Line Volume", 0,
 906                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
 907                 db_scale_5bit_12db_max),
 908 
 909 WSS_DOUBLE("CD Playback Switch", 1,
 910                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
 911 WSS_DOUBLE("CD Capture Switch", 1,
 912                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
 913 WSS_DOUBLE_TLV("CD Volume", 1,
 914                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
 915                 db_scale_5bit_12db_max),
 916 
 917 CS4236_DOUBLE1("Beep Playback Switch", 0,
 918                 CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
 919 WSS_SINGLE("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
 920 
 921 WSS_DOUBLE("Analog Loopback Switch", 0,
 922                 CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
 923 };
 924 
 925 #define CS4236_IEC958_ENABLE(xname, xindex) \
 926 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 927   .info = snd_cs4236_info_single, \
 928   .get = snd_cs4236_get_iec958_switch, .put = snd_cs4236_put_iec958_switch, \
 929   .private_value = 1 << 16 }
 930 
 931 static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 932 {
 933         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 934         unsigned long flags;
 935         
 936         spin_lock_irqsave(&chip->reg_lock, flags);
 937         ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0;
 938 #if 0
 939         printk(KERN_DEBUG "get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
 940                "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
 941                         snd_wss_in(chip, CS4231_ALT_FEATURE_1),
 942                         snd_cs4236_ctrl_in(chip, 3),
 943                         snd_cs4236_ctrl_in(chip, 4),
 944                         snd_cs4236_ctrl_in(chip, 5),
 945                         snd_cs4236_ctrl_in(chip, 6),
 946                         snd_cs4236_ctrl_in(chip, 8));
 947 #endif
 948         spin_unlock_irqrestore(&chip->reg_lock, flags);
 949         return 0;
 950 }
 951 
 952 static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 953 {
 954         struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
 955         unsigned long flags;
 956         int change;
 957         unsigned short enable, val;
 958         
 959         enable = ucontrol->value.integer.value[0] & 1;
 960 
 961         mutex_lock(&chip->mce_mutex);
 962         snd_wss_mce_up(chip);
 963         spin_lock_irqsave(&chip->reg_lock, flags);
 964         val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
 965         change = val != chip->image[CS4231_ALT_FEATURE_1];
 966         snd_wss_out(chip, CS4231_ALT_FEATURE_1, val);
 967         val = snd_cs4236_ctrl_in(chip, 4) | 0xc0;
 968         snd_cs4236_ctrl_out(chip, 4, val);
 969         udelay(100);
 970         val &= ~0x40;
 971         snd_cs4236_ctrl_out(chip, 4, val);
 972         spin_unlock_irqrestore(&chip->reg_lock, flags);
 973         snd_wss_mce_down(chip);
 974         mutex_unlock(&chip->mce_mutex);
 975 
 976 #if 0
 977         printk(KERN_DEBUG "set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
 978                "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
 979                         snd_wss_in(chip, CS4231_ALT_FEATURE_1),
 980                         snd_cs4236_ctrl_in(chip, 3),
 981                         snd_cs4236_ctrl_in(chip, 4),
 982                         snd_cs4236_ctrl_in(chip, 5),
 983                         snd_cs4236_ctrl_in(chip, 6),
 984                         snd_cs4236_ctrl_in(chip, 8));
 985 #endif
 986         return change;
 987 }
 988 
 989 static struct snd_kcontrol_new snd_cs4236_iec958_controls[] = {
 990 CS4236_IEC958_ENABLE("IEC958 Output Enable", 0),
 991 CS4236_SINGLEC("IEC958 Output Validity", 0, 4, 4, 1, 0),
 992 CS4236_SINGLEC("IEC958 Output User", 0, 4, 5, 1, 0),
 993 CS4236_SINGLEC("IEC958 Output CSBR", 0, 4, 6, 1, 0),
 994 CS4236_SINGLEC("IEC958 Output Channel Status Low", 0, 5, 1, 127, 0),
 995 CS4236_SINGLEC("IEC958 Output Channel Status High", 0, 6, 0, 255, 0)
 996 };
 997 
 998 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = {
 999 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
1000 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1)
1001 };
1002 
1003 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = {
1004 CS4236_SINGLEC("3D Control - Switch", 0, 3, 7, 1, 0),
1005 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
1006 CS4236_SINGLEC("3D Control - Center", 0, 2, 0, 15, 1),
1007 CS4236_SINGLEC("3D Control - Mono", 0, 3, 6, 1, 0),
1008 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
1009 };
1010 
1011 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = {
1012 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
1013 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
1014 CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1),
1015 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
1016 };
1017 
1018 int snd_cs4236_mixer(struct snd_wss *chip)
1019 {
1020         struct snd_card *card;
1021         unsigned int idx, count;
1022         int err;
1023         struct snd_kcontrol_new *kcontrol;
1024 
1025         if (snd_BUG_ON(!chip || !chip->card))
1026                 return -EINVAL;
1027         card = chip->card;
1028         strcpy(card->mixername, snd_wss_chip_id(chip));
1029 
1030         if (chip->hardware == WSS_HW_CS4235 ||
1031             chip->hardware == WSS_HW_CS4239) {
1032                 for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) {
1033                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0)
1034                                 return err;
1035                 }
1036         } else {
1037                 for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_controls); idx++) {
1038                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip))) < 0)
1039                                 return err;
1040                 }
1041         }
1042         switch (chip->hardware) {
1043         case WSS_HW_CS4235:
1044         case WSS_HW_CS4239:
1045                 count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4235);
1046                 kcontrol = snd_cs4236_3d_controls_cs4235;
1047                 break;
1048         case WSS_HW_CS4237B:
1049                 count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4237);
1050                 kcontrol = snd_cs4236_3d_controls_cs4237;
1051                 break;
1052         case WSS_HW_CS4238B:
1053                 count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4238);
1054                 kcontrol = snd_cs4236_3d_controls_cs4238;
1055                 break;
1056         default:
1057                 count = 0;
1058                 kcontrol = NULL;
1059         }
1060         for (idx = 0; idx < count; idx++, kcontrol++) {
1061                 if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0)
1062                         return err;
1063         }
1064         if (chip->hardware == WSS_HW_CS4237B ||
1065             chip->hardware == WSS_HW_CS4238B) {
1066                 for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) {
1067                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0)
1068                                 return err;
1069                 }
1070         }
1071         return 0;
1072 }

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