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
  20 #include <sound/core.h>
  21 #include <sound/control.h>
  22 #include "msnd.h"
  23 #include "msnd_pinnacle.h"
  24
  25
  26 #define MSND_MIXER_VOLUME       0
  27 #define MSND_MIXER_PCM          1
  28 #define MSND_MIXER_AUX          2       /* Input source 1  (aux1) */
  29 #define MSND_MIXER_IMIX         3       /*  Recording monitor  */
  30 #define MSND_MIXER_SYNTH        4
  31 #define MSND_MIXER_SPEAKER      5
  32 #define MSND_MIXER_LINE         6
  33 #define MSND_MIXER_MIC          7
  34 #define MSND_MIXER_RECLEV       11      /* Recording level */
  35 #define MSND_MIXER_IGAIN        12      /* Input gain */
  36 #define MSND_MIXER_OGAIN        13      /* Output gain */
  37 #define MSND_MIXER_DIGITAL      17      /* Digital (input) 1 */
  38
  39 /*      Device mask bits        */
  40
  41 #define MSND_MASK_VOLUME        (1 << MSND_MIXER_VOLUME)
  42 #define MSND_MASK_SYNTH         (1 << MSND_MIXER_SYNTH)
  43 #define MSND_MASK_PCM           (1 << MSND_MIXER_PCM)
  44 #define MSND_MASK_SPEAKER       (1 << MSND_MIXER_SPEAKER)
  45 #define MSND_MASK_LINE          (1 << MSND_MIXER_LINE)
  46 #define MSND_MASK_MIC           (1 << MSND_MIXER_MIC)
  47 #define MSND_MASK_IMIX          (1 << MSND_MIXER_IMIX)
  48 #define MSND_MASK_RECLEV        (1 << MSND_MIXER_RECLEV)
  49 #define MSND_MASK_IGAIN         (1 << MSND_MIXER_IGAIN)
  50 #define MSND_MASK_OGAIN         (1 << MSND_MIXER_OGAIN)
  51 #define MSND_MASK_AUX           (1 << MSND_MIXER_AUX)
  52 #define MSND_MASK_DIGITAL       (1 << MSND_MIXER_DIGITAL)
  53
  54 static int snd_msndmix_info_mux(struct snd_kcontrol *kcontrol,
  55                                 struct snd_ctl_elem_info *uinfo)
  56 {
  57         static char *texts[3] = {
  58                 "Analog", "MASS", "SPDIF",
  59         };
  60         struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
  61         unsigned items = test_bit(F_HAVEDIGITAL, &chip->flags) ? 3 : 2;
  62
  63         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
  64         uinfo->count = 1;
  65         uinfo->value.enumerated.items = items;
  66         if (uinfo->value.enumerated.item >= items)
  67                 uinfo->value.enumerated.item = items - 1;
  68         strcpy(uinfo->value.enumerated.name,
  69                 texts[uinfo->value.enumerated.item]);
  70         return 0;
  71 }
  72
  73 static int snd_msndmix_get_mux(struct snd_kcontrol *kcontrol,
  74                                 struct snd_ctl_elem_value *ucontrol)
  75 {
  76         struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
  77         /* MSND_MASK_IMIX is the default */
  78         ucontrol->value.enumerated.item[0] = 0;
  79
  80         if (chip->recsrc & MSND_MASK_SYNTH) {
  81                 ucontrol->value.enumerated.item[0] = 1;
  82         } else if ((chip->recsrc & MSND_MASK_DIGITAL) &&
  83                  test_bit(F_HAVEDIGITAL, &chip->flags)) {
  84                 ucontrol->value.enumerated.item[0] = 2;
  85         }
  86
  87
  88         return 0;
  89 }
  90
  91 static int snd_msndmix_set_mux(struct snd_msnd *chip, int val)
  92 {
  93         unsigned newrecsrc;
  94         int change;
  95         unsigned char msndbyte;
  96
  97         switch (val) {
  98         case 0:
  99                 newrecsrc = MSND_MASK_IMIX;
 100                 msndbyte = HDEXAR_SET_ANA_IN;
 101                 break;
 102         case 1:
 103                 newrecsrc = MSND_MASK_SYNTH;
 104                 msndbyte = HDEXAR_SET_SYNTH_IN;
 105                 break;
 106         case 2:
 107                 newrecsrc = MSND_MASK_DIGITAL;
 108                 msndbyte = HDEXAR_SET_DAT_IN;
 109                 break;
 110         default:
 111                 return -EINVAL;
 112         }
 113         change  = newrecsrc != chip->recsrc;
 114         if (change) {
 115                 change = 0;
 116                 if (!snd_msnd_send_word(chip, 0, 0, msndbyte))
 117                         if (!snd_msnd_send_dsp_cmd(chip, HDEX_AUX_REQ)) {
 118                                 chip->recsrc = newrecsrc;
 119                                 change = 1;
 120                         }
 121         }
 122         return change;
 123 }
 124
 125 static int snd_msndmix_put_mux(struct snd_kcontrol *kcontrol,
 126                                 struct snd_ctl_elem_value *ucontrol)
 127 {
 128         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
 129         return snd_msndmix_set_mux(msnd, ucontrol->value.enumerated.item[0]);
 130 }
 131
 132
 133 static int snd_msndmix_volume_info(struct snd_kcontrol *kcontrol,
 134                                    struct snd_ctl_elem_info *uinfo)
 135 {
 136         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 137         uinfo->count = 2;
 138         uinfo->value.integer.min = 0;
 139         uinfo->value.integer.max = 100;
 140         return 0;
 141 }
 142
 143 static int snd_msndmix_volume_get(struct snd_kcontrol *kcontrol,
 144                                   struct snd_ctl_elem_value *ucontrol)
 145 {
 146         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
 147         int addr = kcontrol->private_value;
 148         unsigned long flags;
 149
 150         spin_lock_irqsave(&msnd->mixer_lock, flags);
 151         ucontrol->value.integer.value[0] = msnd->left_levels[addr] * 100;
 152         ucontrol->value.integer.value[0] /= 0xFFFF;
 153         ucontrol->value.integer.value[1] = msnd->right_levels[addr] * 100;
 154         ucontrol->value.integer.value[1] /= 0xFFFF;
 155         spin_unlock_irqrestore(&msnd->mixer_lock, flags);
 156         return 0;
 157 }
 158
 159 #define update_volm(a, b)                                               \
 160         do {                                                            \
 161                 writew((dev->left_levels[a] >> 1) *                     \
 162                        readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
 163                        dev->SMA + SMA_##b##Left);                       \
 164                 writew((dev->right_levels[a] >> 1)  *                   \
 165                        readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
 166                        dev->SMA + SMA_##b##Right);                      \
 167         } while (0);
 168
 169 #define update_potm(d, s, ar)                                           \
 170         do {                                                            \
 171                 writeb((dev->left_levels[d] >> 8) *                     \
 172                        readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
 173                        dev->SMA + SMA_##s##Left);                       \
 174                 writeb((dev->right_levels[d] >> 8) *                    \
 175                        readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
 176                        dev->SMA + SMA_##s##Right);                      \
 177                 if (snd_msnd_send_word(dev, 0, 0, ar) == 0)             \
 178                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);       \
 179         } while (0);
 180
 181 #define update_pot(d, s, ar)                                            \
 182         do {                                                            \
 183                 writeb(dev->left_levels[d] >> 8,                        \
 184                        dev->SMA + SMA_##s##Left);                       \
 185                 writeb(dev->right_levels[d] >> 8,                       \
 186                        dev->SMA + SMA_##s##Right);                      \
 187                 if (snd_msnd_send_word(dev, 0, 0, ar) == 0)             \
 188                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);       \
 189         } while (0);
 190
 191
 192 static int snd_msndmix_set(struct snd_msnd *dev, int d, int left, int right)
 193 {
 194         int bLeft, bRight;
 195         int wLeft, wRight;
 196         int updatemaster = 0;
 197
 198         if (d >= LEVEL_ENTRIES)
 199                 return -EINVAL;
 200
 201         bLeft = left * 0xff / 100;
 202         wLeft = left * 0xffff / 100;
 203
 204         bRight = right * 0xff / 100;
 205         wRight = right * 0xffff / 100;
 206
 207         dev->left_levels[d] = wLeft;
 208         dev->right_levels[d] = wRight;
 209
 210         switch (d) {
 211                 /* master volume unscaled controls */
 212         case MSND_MIXER_LINE:                   /* line pot control */
 213                 /* scaled by IMIX in digital mix */
 214                 writeb(bLeft, dev->SMA + SMA_bInPotPosLeft);
 215                 writeb(bRight, dev->SMA + SMA_bInPotPosRight);
 216                 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
 217                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
 218                 break;
 219         case MSND_MIXER_MIC:                    /* mic pot control */
 220                 if (dev->type == msndClassic)
 221                         return -EINVAL;
 222                 /* scaled by IMIX in digital mix */
 223                 writeb(bLeft, dev->SMA + SMA_bMicPotPosLeft);
 224                 writeb(bRight, dev->SMA + SMA_bMicPotPosRight);
 225                 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
 226                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
 227                 break;
 228         case MSND_MIXER_VOLUME:         /* master volume */
 229                 writew(wLeft, dev->SMA + SMA_wCurrMastVolLeft);
 230                 writew(wRight, dev->SMA + SMA_wCurrMastVolRight);
 231                 /* fall through */
 232
 233         case MSND_MIXER_AUX:                    /* aux pot control */
 234                 /* scaled by master volume */
 235                 /* fall through */
 236
 237                 /* digital controls */
 238         case MSND_MIXER_SYNTH:                  /* synth vol (dsp mix) */
 239         case MSND_MIXER_PCM:                    /* pcm vol (dsp mix) */
 240         case MSND_MIXER_IMIX:                   /* input monitor (dsp mix) */
 241                 /* scaled by master volume */
 242                 updatemaster = 1;
 243                 break;
 244
 245         default:
 246                 return -EINVAL;
 247         }
 248
 249         if (updatemaster) {
 250                 /* update master volume scaled controls */
 251                 update_volm(MSND_MIXER_PCM, wCurrPlayVol);
 252                 update_volm(MSND_MIXER_IMIX, wCurrInVol);
 253                 if (dev->type == msndPinnacle)
 254                         update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
 255                 update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
 256         }
 257
 258         return 0;
 259 }
 260
 261 static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
 262                                   struct snd_ctl_elem_value *ucontrol)
 263 {
 264         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
 265         int change, addr = kcontrol->private_value;
 266         int left, right;
 267         unsigned long flags;
 268
 269         left = ucontrol->value.integer.value[0] % 101;
 270         right = ucontrol->value.integer.value[1] % 101;
 271         spin_lock_irqsave(&msnd->mixer_lock, flags);
 272         change = msnd->left_levels[addr] != left
 273                 || msnd->right_levels[addr] != right;
 274         snd_msndmix_set(msnd, addr, left, right);
 275         spin_unlock_irqrestore(&msnd->mixer_lock, flags);
 276         return change;
 277 }
 278
 279
 280 #define DUMMY_VOLUME(xname, xindex, addr) \
 281 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 282   .info = snd_msndmix_volume_info, \
 283   .get = snd_msndmix_volume_get, .put = snd_msndmix_volume_put, \
 284   .private_value = addr }
 285
 286
 287 static struct snd_kcontrol_new snd_msnd_controls[] = {
 288 DUMMY_VOLUME("Master Volume", 0, MSND_MIXER_VOLUME),
 289 DUMMY_VOLUME("PCM Volume", 0, MSND_MIXER_PCM),
 290 DUMMY_VOLUME("Aux Volume", 0, MSND_MIXER_AUX),
 291 DUMMY_VOLUME("Line Volume", 0, MSND_MIXER_LINE),
 292 DUMMY_VOLUME("Mic Volume", 0, MSND_MIXER_MIC),
 293 DUMMY_VOLUME("Monitor", 0, MSND_MIXER_IMIX),
 294 {
 295         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 296         .name = "Capture Source",
 297         .info = snd_msndmix_info_mux,
 298         .get = snd_msndmix_get_mux,
 299         .put = snd_msndmix_put_mux,
 300 }
 301 };
 302
 303
 304 int __devinit snd_msndmix_new(struct snd_card *card)
 305 {
 306         struct snd_msnd *chip = card->private_data;
 307         unsigned int idx;
 308         int err;
 309
 310         if (snd_BUG_ON(!chip))
 311                 return -EINVAL;
 312         spin_lock_init(&chip->mixer_lock);
 313         strcpy(card->mixername, "MSND Pinnacle Mixer");
 314
 315         for (idx = 0; idx < ARRAY_SIZE(snd_msnd_controls); idx++)
 316                 err = snd_ctl_add(card,
 317                                   snd_ctl_new1(snd_msnd_controls + idx, chip));
 318                 if (err < 0)
 319                         return err;
 320
 321         return 0;
 322 }
 323 EXPORT_SYMBOL(snd_msndmix_new);
 324
 325 void snd_msndmix_setup(struct snd_msnd *dev)
 326 {
 327         update_pot(MSND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
 328         update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
 329         update_volm(MSND_MIXER_PCM, wCurrPlayVol);
 330         update_volm(MSND_MIXER_IMIX, wCurrInVol);
 331         if (dev->type == msndPinnacle) {
 332                 update_pot(MSND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
 333                 update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
 334         }
 335 }
 336 EXPORT_SYMBOL(snd_msndmix_setup);
 337
 338 int snd_msndmix_force_recsrc(struct snd_msnd *dev, int recsrc)
 339 {
 340         dev->recsrc = -1;
 341         return snd_msndmix_set_mux(dev, recsrc);
 342 }
 343 EXPORT_SYMBOL(snd_msndmix_force_recsrc);