kernel/sound/isa/msnd/msnd_pinnacle_mixer.c

   1 /***************************************************************************
   2                           msnd_pinnacle_mixer.c  -  description
   3                              -------------------
   4     begin               : Fre Jun 7 2002
   5     copyright           : (C) 2002 by karsten wiese
   6     email               : annabellesgarden@yahoo.de
   7  ***************************************************************************/
   8
   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  ***************************************************************************/
  17
  18 #include <linux/io.h>
  19 #include <linux/export.h>
  20
  21 #include <sound/core.h>
  22 #include <sound/control.h>
  23 #include "msnd.h"
  24 #include "msnd_pinnacle.h"
  25
  26
  27 #define MSND_MIXER_VOLUME       0
  28 #define MSND_MIXER_PCM          1
  29 #define MSND_MIXER_AUX          2       /* Input source 1  (aux1) */
  30 #define MSND_MIXER_IMIX         3       /*  Recording monitor  */
  31 #define MSND_MIXER_SYNTH        4
  32 #define MSND_MIXER_SPEAKER      5
  33 #define MSND_MIXER_LINE         6
  34 #define MSND_MIXER_MIC          7
  35 #define MSND_MIXER_RECLEV       11      /* Recording level */
  36 #define MSND_MIXER_IGAIN        12      /* Input gain */
  37 #define MSND_MIXER_OGAIN        13      /* Output gain */
  38 #define MSND_MIXER_DIGITAL      17      /* Digital (input) 1 */
  39
  40 /*      Device mask bits        */
  41
  42 #define MSND_MASK_VOLUME        (1 << MSND_MIXER_VOLUME)
  43 #define MSND_MASK_SYNTH         (1 << MSND_MIXER_SYNTH)
  44 #define MSND_MASK_PCM           (1 << MSND_MIXER_PCM)
  45 #define MSND_MASK_SPEAKER       (1 << MSND_MIXER_SPEAKER)
  46 #define MSND_MASK_LINE          (1 << MSND_MIXER_LINE)
  47 #define MSND_MASK_MIC           (1 << MSND_MIXER_MIC)
  48 #define MSND_MASK_IMIX          (1 << MSND_MIXER_IMIX)
  49 #define MSND_MASK_RECLEV        (1 << MSND_MIXER_RECLEV)
  50 #define MSND_MASK_IGAIN         (1 << MSND_MIXER_IGAIN)
  51 #define MSND_MASK_OGAIN         (1 << MSND_MIXER_OGAIN)
  52 #define MSND_MASK_AUX           (1 << MSND_MIXER_AUX)
  53 #define MSND_MASK_DIGITAL       (1 << MSND_MIXER_DIGITAL)
  54
  55 static int snd_msndmix_info_mux(struct snd_kcontrol *kcontrol,
  56                                 struct snd_ctl_elem_info *uinfo)
  57 {
  58         static const char * const texts[3] = {
  59                 "Analog", "MASS", "SPDIF",
  60         };
  61         struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
  62         unsigned items = test_bit(F_HAVEDIGITAL, &chip->flags) ? 3 : 2;
  63
  64         return snd_ctl_enum_info(uinfo, 1, items, texts);
  65 }
  66
  67 static int snd_msndmix_get_mux(struct snd_kcontrol *kcontrol,
  68                                 struct snd_ctl_elem_value *ucontrol)
  69 {
  70         struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
  71         /* MSND_MASK_IMIX is the default */
  72         ucontrol->value.enumerated.item[0] = 0;
  73
  74         if (chip->recsrc & MSND_MASK_SYNTH) {
  75                 ucontrol->value.enumerated.item[0] = 1;
  76         } else if ((chip->recsrc & MSND_MASK_DIGITAL) &&
  77                  test_bit(F_HAVEDIGITAL, &chip->flags)) {
  78                 ucontrol->value.enumerated.item[0] = 2;
  79         }
  80
  81
  82         return 0;
  83 }
  84
  85 static int snd_msndmix_set_mux(struct snd_msnd *chip, int val)
  86 {
  87         unsigned newrecsrc;
  88         int change;
  89         unsigned char msndbyte;
  90
  91         switch (val) {
  92         case 0:
  93                 newrecsrc = MSND_MASK_IMIX;
  94                 msndbyte = HDEXAR_SET_ANA_IN;
  95                 break;
  96         case 1:
  97                 newrecsrc = MSND_MASK_SYNTH;
  98                 msndbyte = HDEXAR_SET_SYNTH_IN;
  99                 break;
 100         case 2:
 101                 newrecsrc = MSND_MASK_DIGITAL;
 102                 msndbyte = HDEXAR_SET_DAT_IN;
 103                 break;
 104         default:
 105                 return -EINVAL;
 106         }
 107         change  = newrecsrc != chip->recsrc;
 108         if (change) {
 109                 change = 0;
 110                 if (!snd_msnd_send_word(chip, 0, 0, msndbyte))
 111                         if (!snd_msnd_send_dsp_cmd(chip, HDEX_AUX_REQ)) {
 112                                 chip->recsrc = newrecsrc;
 113                                 change = 1;
 114                         }
 115         }
 116         return change;
 117 }
 118
 119 static int snd_msndmix_put_mux(struct snd_kcontrol *kcontrol,
 120                                 struct snd_ctl_elem_value *ucontrol)
 121 {
 122         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
 123         return snd_msndmix_set_mux(msnd, ucontrol->value.enumerated.item[0]);
 124 }
 125
 126
 127 static int snd_msndmix_volume_info(struct snd_kcontrol *kcontrol,
 128                                    struct snd_ctl_elem_info *uinfo)
 129 {
 130         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 131         uinfo->count = 2;
 132         uinfo->value.integer.min = 0;
 133         uinfo->value.integer.max = 100;
 134         return 0;
 135 }
 136
 137 static int snd_msndmix_volume_get(struct snd_kcontrol *kcontrol,
 138                                   struct snd_ctl_elem_value *ucontrol)
 139 {
 140         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
 141         int addr = kcontrol->private_value;
 142         unsigned long flags;
 143
 144         spin_lock_irqsave(&msnd->mixer_lock, flags);
 145         ucontrol->value.integer.value[0] = msnd->left_levels[addr] * 100;
 146         ucontrol->value.integer.value[0] /= 0xFFFF;
 147         ucontrol->value.integer.value[1] = msnd->right_levels[addr] * 100;
 148         ucontrol->value.integer.value[1] /= 0xFFFF;
 149         spin_unlock_irqrestore(&msnd->mixer_lock, flags);
 150         return 0;
 151 }
 152
 153 #define update_volm(a, b)                                               \
 154         do {                                                            \
 155                 writew((dev->left_levels[a] >> 1) *                     \
 156                        readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
 157                        dev->SMA + SMA_##b##Left);                       \
 158                 writew((dev->right_levels[a] >> 1)  *                   \
 159                        readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
 160                        dev->SMA + SMA_##b##Right);                      \
 161         } while (0);
 162
 163 #define update_potm(d, s, ar)                                           \
 164         do {                                                            \
 165                 writeb((dev->left_levels[d] >> 8) *                     \
 166                        readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
 167                        dev->SMA + SMA_##s##Left);                       \
 168                 writeb((dev->right_levels[d] >> 8) *                    \
 169                        readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
 170                        dev->SMA + SMA_##s##Right);                      \
 171                 if (snd_msnd_send_word(dev, 0, 0, ar) == 0)             \
 172                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);       \
 173         } while (0);
 174
 175 #define update_pot(d, s, ar)                                            \
 176         do {                                                            \
 177                 writeb(dev->left_levels[d] >> 8,                        \
 178                        dev->SMA + SMA_##s##Left);                       \
 179                 writeb(dev->right_levels[d] >> 8,                       \
 180                        dev->SMA + SMA_##s##Right);                      \
 181                 if (snd_msnd_send_word(dev, 0, 0, ar) == 0)             \
 182                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);       \
 183         } while (0);
 184
 185
 186 static int snd_msndmix_set(struct snd_msnd *dev, int d, int left, int right)
 187 {
 188         int bLeft, bRight;
 189         int wLeft, wRight;
 190         int updatemaster = 0;
 191
 192         if (d >= LEVEL_ENTRIES)
 193                 return -EINVAL;
 194
 195         bLeft = left * 0xff / 100;
 196         wLeft = left * 0xffff / 100;
 197
 198         bRight = right * 0xff / 100;
 199         wRight = right * 0xffff / 100;
 200
 201         dev->left_levels[d] = wLeft;
 202         dev->right_levels[d] = wRight;
 203
 204         switch (d) {
 205                 /* master volume unscaled controls */
 206         case MSND_MIXER_LINE:                   /* line pot control */
 207                 /* scaled by IMIX in digital mix */
 208                 writeb(bLeft, dev->SMA + SMA_bInPotPosLeft);
 209                 writeb(bRight, dev->SMA + SMA_bInPotPosRight);
 210                 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
 211                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
 212                 break;
 213         case MSND_MIXER_MIC:                    /* mic pot control */
 214                 if (dev->type == msndClassic)
 215                         return -EINVAL;
 216                 /* scaled by IMIX in digital mix */
 217                 writeb(bLeft, dev->SMA + SMA_bMicPotPosLeft);
 218                 writeb(bRight, dev->SMA + SMA_bMicPotPosRight);
 219                 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
 220                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
 221                 break;
 222         case MSND_MIXER_VOLUME:         /* master volume */
 223                 writew(wLeft, dev->SMA + SMA_wCurrMastVolLeft);
 224                 writew(wRight, dev->SMA + SMA_wCurrMastVolRight);
 225                 /* fall through */
 226
 227         case MSND_MIXER_AUX:                    /* aux pot control */
 228                 /* scaled by master volume */
 229                 /* fall through */
 230
 231                 /* digital controls */
 232         case MSND_MIXER_SYNTH:                  /* synth vol (dsp mix) */
 233         case MSND_MIXER_PCM:                    /* pcm vol (dsp mix) */
 234         case MSND_MIXER_IMIX:                   /* input monitor (dsp mix) */
 235                 /* scaled by master volume */
 236                 updatemaster = 1;
 237                 break;
 238
 239         default:
 240                 return -EINVAL;
 241         }
 242
 243         if (updatemaster) {
 244                 /* update master volume scaled controls */
 245                 update_volm(MSND_MIXER_PCM, wCurrPlayVol);
 246                 update_volm(MSND_MIXER_IMIX, wCurrInVol);
 247                 if (dev->type == msndPinnacle)
 248                         update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
 249                 update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
 250         }
 251
 252         return 0;
 253 }
 254
 255 static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
 256                                   struct snd_ctl_elem_value *ucontrol)
 257 {
 258         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
 259         int change, addr = kcontrol->private_value;
 260         int left, right;
 261         unsigned long flags;
 262
 263         left = ucontrol->value.integer.value[0] % 101;
 264         right = ucontrol->value.integer.value[1] % 101;
 265         spin_lock_irqsave(&msnd->mixer_lock, flags);
 266         change = msnd->left_levels[addr] != left
 267                 || msnd->right_levels[addr] != right;
 268         snd_msndmix_set(msnd, addr, left, right);
 269         spin_unlock_irqrestore(&msnd->mixer_lock, flags);
 270         return change;
 271 }
 272
 273
 274 #define DUMMY_VOLUME(xname, xindex, addr) \
 275 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 276   .info = snd_msndmix_volume_info, \
 277   .get = snd_msndmix_volume_get, .put = snd_msndmix_volume_put, \
 278   .private_value = addr }
 279
 280
 281 static struct snd_kcontrol_new snd_msnd_controls[] = {
 282 DUMMY_VOLUME("Master Volume", 0, MSND_MIXER_VOLUME),
 283 DUMMY_VOLUME("PCM Volume", 0, MSND_MIXER_PCM),
 284 DUMMY_VOLUME("Aux Volume", 0, MSND_MIXER_AUX),
 285 DUMMY_VOLUME("Line Volume", 0, MSND_MIXER_LINE),
 286 DUMMY_VOLUME("Mic Volume", 0, MSND_MIXER_MIC),
 287 DUMMY_VOLUME("Monitor", 0, MSND_MIXER_IMIX),
 288 {
 289         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 290         .name = "Capture Source",
 291         .info = snd_msndmix_info_mux,
 292         .get = snd_msndmix_get_mux,
 293         .put = snd_msndmix_put_mux,
 294 }
 295 };
 296
 297
 298 int snd_msndmix_new(struct snd_card *card)
 299 {
 300         struct snd_msnd *chip = card->private_data;
 301         unsigned int idx;
 302         int err;
 303
 304         if (snd_BUG_ON(!chip))
 305                 return -EINVAL;
 306         spin_lock_init(&chip->mixer_lock);
 307         strcpy(card->mixername, "MSND Pinnacle Mixer");
 308
 309         for (idx = 0; idx < ARRAY_SIZE(snd_msnd_controls); idx++) {
 310                 err = snd_ctl_add(card,
 311                                   snd_ctl_new1(snd_msnd_controls + idx, chip));
 312                 if (err < 0)
 313                         return err;
 314         }
 315
 316         return 0;
 317 }
 318 EXPORT_SYMBOL(snd_msndmix_new);
 319
 320 void snd_msndmix_setup(struct snd_msnd *dev)
 321 {
 322         update_pot(MSND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
 323         update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
 324         update_volm(MSND_MIXER_PCM, wCurrPlayVol);
 325         update_volm(MSND_MIXER_IMIX, wCurrInVol);
 326         if (dev->type == msndPinnacle) {
 327                 update_pot(MSND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
 328                 update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
 329         }
 330 }
 331 EXPORT_SYMBOL(snd_msndmix_setup);
 332
 333 int snd_msndmix_force_recsrc(struct snd_msnd *dev, int recsrc)
 334 {
 335         dev->recsrc = -1;
 336         return snd_msndmix_set_mux(dev, recsrc);
 337 }
 338 EXPORT_SYMBOL(snd_msndmix_force_recsrc);