dlls/winmm/wineoss/mmaux.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Sample AUXILARY Wine Driver
   4  *
   5  * Copyright 1994 Martin Ayotte
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #define EMULATE_SB16
  23
  24 #include "config.h"
  25
  26 #include <stdarg.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32 #include <fcntl.h>
  33 #ifdef HAVE_SYS_IOCTL_H
  34 # include <sys/ioctl.h>
  35 #endif
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "mmddk.h"
  40 #include "oss.h"
  41 #include "wine/debug.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(mmaux);
  44
  45 #ifdef HAVE_OSS
  46
  47 #define MIXER_DEV "/dev/mixer"
  48
  49 static int      NumDev = 6;
  50
  51 /*-----------------------------------------------------------------------*/
  52
  53 static  int     AUXDRV_Init(void)
  54 {
  55     int mixer;
  56
  57     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  58         WARN("mixer device not available !\n");
  59         NumDev = 0;
  60     } else {
  61         close(mixer);
  62         NumDev = 6;
  63     }
  64     return NumDev;
  65 }
  66
  67 /**************************************************************************
  68  *                              AUX_GetDevCaps                  [internal]
  69  */
  70 static DWORD AUX_GetDevCaps(WORD wDevID, LPAUXCAPSA lpCaps, DWORD dwSize)
  71 {
  72     int         mixer,volume;
  73
  74     TRACE("(%04X, %p, %lu);\n", wDevID, lpCaps, dwSize);
  75     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
  76     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  77         WARN("mixer device not available !\n");
  78         return MMSYSERR_NOTENABLED;
  79     }
  80     if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
  81         close(mixer);
  82         WARN("unable to read mixer !\n");
  83         return MMSYSERR_NOTENABLED;
  84     }
  85     close(mixer);
  86 #ifdef EMULATE_SB16
  87     lpCaps->wMid = 0x0002;
  88     lpCaps->vDriverVersion = 0x0200;
  89     lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
  90     switch (wDevID) {
  91     case 0:
  92         lpCaps->wPid = 0x0196;
  93         strcpy(lpCaps->szPname, "SB16 Aux: Wave");
  94         lpCaps->wTechnology = AUXCAPS_AUXIN;
  95         break;
  96     case 1:
  97         lpCaps->wPid = 0x0197;
  98         strcpy(lpCaps->szPname, "SB16 Aux: Midi Synth");
  99         lpCaps->wTechnology = AUXCAPS_AUXIN;
 100         break;
 101     case 2:
 102         lpCaps->wPid = 0x0191;
 103         strcpy(lpCaps->szPname, "SB16 Aux: CD");
 104         lpCaps->wTechnology = AUXCAPS_CDAUDIO;
 105         break;
 106     case 3:
 107         lpCaps->wPid = 0x0192;
 108         strcpy(lpCaps->szPname, "SB16 Aux: Line-In");
 109         lpCaps->wTechnology = AUXCAPS_AUXIN;
 110         break;
 111     case 4:
 112         lpCaps->wPid = 0x0193;
 113         strcpy(lpCaps->szPname, "SB16 Aux: Mic");
 114         lpCaps->wTechnology = AUXCAPS_AUXIN;
 115         break;
 116     case 5:
 117         lpCaps->wPid = 0x0194;
 118         strcpy(lpCaps->szPname, "SB16 Aux: Master");
 119         lpCaps->wTechnology = AUXCAPS_AUXIN;
 120         break;
 121     }
 122 #else
 123     lpCaps->wMid = 0xAA;
 124     lpCaps->wPid = 0x55;
 125     lpCaps->vDriverVersion = 0x0100;
 126     strcpy(lpCaps->szPname, "Generic Linux Auxiliary Driver");
 127     lpCaps->wTechnology = AUXCAPS_CDAUDIO;
 128     lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
 129 #endif
 130     return MMSYSERR_NOERROR;
 131 }
 132
 133
 134 /**************************************************************************
 135  *                              AUX_GetVolume                   [internal]
 136  */
 137 static DWORD AUX_GetVolume(WORD wDevID, LPDWORD lpdwVol)
 138 {
 139     int         mixer, volume, left, right, cmd;
 140
 141     TRACE("(%04X, %p);\n", wDevID, lpdwVol);
 142     if (lpdwVol == NULL) return MMSYSERR_NOTENABLED;
 143     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 144         WARN("mixer device not available !\n");
 145         return MMSYSERR_NOTENABLED;
 146     }
 147     switch(wDevID) {
 148     case 0:
 149         TRACE("SOUND_MIXER_READ_PCM !\n");
 150         cmd = SOUND_MIXER_READ_PCM;
 151         break;
 152     case 1:
 153         TRACE("SOUND_MIXER_READ_SYNTH !\n");
 154         cmd = SOUND_MIXER_READ_SYNTH;
 155         break;
 156     case 2:
 157         TRACE("SOUND_MIXER_READ_CD !\n");
 158         cmd = SOUND_MIXER_READ_CD;
 159         break;
 160     case 3:
 161         TRACE("SOUND_MIXER_READ_LINE !\n");
 162         cmd = SOUND_MIXER_READ_LINE;
 163         break;
 164     case 4:
 165         TRACE("SOUND_MIXER_READ_MIC !\n");
 166         cmd = SOUND_MIXER_READ_MIC;
 167         break;
 168     case 5:
 169         TRACE("SOUND_MIXER_READ_VOLUME !\n");
 170         cmd = SOUND_MIXER_READ_VOLUME;
 171         break;
 172     default:
 173         WARN("invalid device id=%04X !\n", wDevID);
 174         return MMSYSERR_NOTENABLED;
 175     }
 176     if (ioctl(mixer, cmd, &volume) == -1) {
 177         WARN("unable to read mixer !\n");
 178         return MMSYSERR_NOTENABLED;
 179     }
 180     close(mixer);
 181     left  = LOBYTE(LOWORD(volume));
 182     right = HIBYTE(LOWORD(volume));
 183     TRACE("left=%d right=%d !\n", left, right);
 184     *lpdwVol = MAKELONG((left * 0xFFFFL) / 100, (right * 0xFFFFL) / 100);
 185     return MMSYSERR_NOERROR;
 186 }
 187
 188 /**************************************************************************
 189  *                              AUX_SetVolume                   [internal]
 190  */
 191 static DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
 192 {
 193     int         mixer;
 194     int         volume, left, right;
 195     int         cmd;
 196
 197     TRACE("(%04X, %08lX);\n", wDevID, dwParam);
 198
 199     left   = (LOWORD(dwParam) * 100) >> 16;
 200     right  = (HIWORD(dwParam) * 100) >> 16;
 201     volume = (right << 8) | left;
 202
 203     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 204         WARN("mixer device not available !\n");
 205         return MMSYSERR_NOTENABLED;
 206     }
 207
 208     switch(wDevID) {
 209     case 0:
 210         TRACE("SOUND_MIXER_WRITE_PCM !\n");
 211         cmd = SOUND_MIXER_WRITE_PCM;
 212         break;
 213     case 1:
 214         TRACE("SOUND_MIXER_WRITE_SYNTH !\n");
 215         cmd = SOUND_MIXER_WRITE_SYNTH;
 216         break;
 217     case 2:
 218         TRACE("SOUND_MIXER_WRITE_CD !\n");
 219         cmd = SOUND_MIXER_WRITE_CD;
 220         break;
 221     case 3:
 222         TRACE("SOUND_MIXER_WRITE_LINE !\n");
 223         cmd = SOUND_MIXER_WRITE_LINE;
 224         break;
 225     case 4:
 226         TRACE("SOUND_MIXER_WRITE_MIC !\n");
 227         cmd = SOUND_MIXER_WRITE_MIC;
 228         break;
 229     case 5:
 230         TRACE("SOUND_MIXER_WRITE_VOLUME !\n");
 231         cmd = SOUND_MIXER_WRITE_VOLUME;
 232         break;
 233     default:
 234         WARN("invalid device id=%04X !\n", wDevID);
 235         return MMSYSERR_NOTENABLED;
 236     }
 237     if (ioctl(mixer, cmd, &volume) == -1) {
 238         WARN("unable to set mixer !\n");
 239         return MMSYSERR_NOTENABLED;
 240     }
 241     close(mixer);
 242     return MMSYSERR_NOERROR;
 243 }
 244
 245 #endif
 246
 247 /**************************************************************************
 248  *              auxMessage (WINEOSS.2)
 249  */
 250 DWORD WINAPI OSS_auxMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
 251                             DWORD dwParam1, DWORD dwParam2)
 252 {
 253     TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n",
 254           wDevID, wMsg, dwUser, dwParam1, dwParam2);
 255
 256 #ifdef HAVE_OSS
 257     switch (wMsg) {
 258     case DRVM_INIT:
 259         AUXDRV_Init();
 260         /* fall through */
 261     case DRVM_EXIT:
 262     case DRVM_ENABLE:
 263     case DRVM_DISABLE:
 264         /* FIXME: Pretend this is supported */
 265         return 0;
 266     case AUXDM_GETDEVCAPS:
 267         return AUX_GetDevCaps(wDevID, (LPAUXCAPSA)dwParam1,dwParam2);
 268     case AUXDM_GETNUMDEVS:
 269         TRACE("return %d;\n", NumDev);
 270         return NumDev;
 271     case AUXDM_GETVOLUME:
 272         return AUX_GetVolume(wDevID, (LPDWORD)dwParam1);
 273     case AUXDM_SETVOLUME:
 274         return AUX_SetVolume(wDevID, dwParam1);
 275     default:
 276         WARN("unknown message !\n");
 277     }
 278     return MMSYSERR_NOTSUPPORTED;
 279 #else
 280     return MMSYSERR_NOTENABLED;
 281 #endif
 282 }