dlls/wineoss.drv/mmaux.c

   1 /*
   2  * Sample AUXILIARY Wine Driver
   3  *
   4  * Copyright 1994 Martin Ayotte
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30 #include <fcntl.h>
  31 #ifdef HAVE_SYS_IOCTL_H
  32 # include <sys/ioctl.h>
  33 #endif
  34
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "mmddk.h"
  38 #include "oss.h"
  39 #include "wine/unicode.h"
  40 #include "wine/debug.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(mmaux);
  43
  44 #ifdef HAVE_OSS
  45
  46 #define MIXER_DEV "/dev/mixer"
  47
  48 static int      NumDev = 6;
  49
  50 /*-----------------------------------------------------------------------*/
  51
  52 LRESULT OSS_AuxInit(void)
  53 {
  54     int mixer;
  55     TRACE("()\n");
  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 0;
  65 }
  66
  67 /*-----------------------------------------------------------------------*/
  68
  69 LRESULT OSS_AuxExit(void)
  70 {
  71     TRACE("()\n");
  72     return 0;
  73 }
  74
  75 /**************************************************************************
  76  *                              AUX_GetDevCaps                  [internal]
  77  */
  78 static DWORD AUX_GetDevCaps(WORD wDevID, LPAUXCAPSW lpCaps, DWORD dwSize)
  79 {
  80     int         mixer, volume;
  81     static const WCHAR ini[] = {'O','S','S',' ','A','u','x',0};
  82
  83     TRACE("(%04X, %p, %u);\n", wDevID, lpCaps, dwSize);
  84     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
  85     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  86         WARN("mixer device not available !\n");
  87         return MMSYSERR_NOTENABLED;
  88     }
  89     if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
  90         close(mixer);
  91         WARN("unable to read mixer !\n");
  92         return MMSYSERR_NOTENABLED;
  93     }
  94     close(mixer);
  95     lpCaps->wMid = 0xAA;
  96     lpCaps->wPid = 0x55;
  97     lpCaps->vDriverVersion = 0x0100;
  98     strcpyW(lpCaps->szPname, ini);
  99     lpCaps->wTechnology = AUXCAPS_CDAUDIO;
 100     lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
 101
 102     return MMSYSERR_NOERROR;
 103 }
 104
 105
 106 /**************************************************************************
 107  *                              AUX_GetVolume                   [internal]
 108  */
 109 static DWORD AUX_GetVolume(WORD wDevID, LPDWORD lpdwVol)
 110 {
 111     int         mixer, volume, left, right, cmd;
 112
 113     TRACE("(%04X, %p);\n", wDevID, lpdwVol);
 114     if (lpdwVol == NULL) return MMSYSERR_NOTENABLED;
 115     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 116         WARN("mixer device not available !\n");
 117         return MMSYSERR_NOTENABLED;
 118     }
 119     switch(wDevID) {
 120     case 0:
 121         TRACE("SOUND_MIXER_READ_PCM !\n");
 122         cmd = SOUND_MIXER_READ_PCM;
 123         break;
 124     case 1:
 125         TRACE("SOUND_MIXER_READ_SYNTH !\n");
 126         cmd = SOUND_MIXER_READ_SYNTH;
 127         break;
 128     case 2:
 129         TRACE("SOUND_MIXER_READ_CD !\n");
 130         cmd = SOUND_MIXER_READ_CD;
 131         break;
 132     case 3:
 133         TRACE("SOUND_MIXER_READ_LINE !\n");
 134         cmd = SOUND_MIXER_READ_LINE;
 135         break;
 136     case 4:
 137         TRACE("SOUND_MIXER_READ_MIC !\n");
 138         cmd = SOUND_MIXER_READ_MIC;
 139         break;
 140     case 5:
 141         TRACE("SOUND_MIXER_READ_VOLUME !\n");
 142         cmd = SOUND_MIXER_READ_VOLUME;
 143         break;
 144     default:
 145         WARN("invalid device id=%04X !\n", wDevID);
 146         return MMSYSERR_NOTENABLED;
 147     }
 148     if (ioctl(mixer, cmd, &volume) == -1) {
 149         WARN("unable to read mixer !\n");
 150         return MMSYSERR_NOTENABLED;
 151     }
 152     close(mixer);
 153     left  = LOBYTE(LOWORD(volume));
 154     right = HIBYTE(LOWORD(volume));
 155     TRACE("left=%d right=%d !\n", left, right);
 156     *lpdwVol = MAKELONG((left * 0xFFFFL) / 100, (right * 0xFFFFL) / 100);
 157     return MMSYSERR_NOERROR;
 158 }
 159
 160 /**************************************************************************
 161  *                              AUX_SetVolume                   [internal]
 162  */
 163 static DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
 164 {
 165     int         mixer;
 166     int         volume, left, right;
 167     int         cmd;
 168
 169     TRACE("(%04X, %08X);\n", wDevID, dwParam);
 170
 171     left   = (LOWORD(dwParam) * 100) >> 16;
 172     right  = (HIWORD(dwParam) * 100) >> 16;
 173     volume = (right << 8) | left;
 174
 175     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 176         WARN("mixer device not available !\n");
 177         return MMSYSERR_NOTENABLED;
 178     }
 179
 180     switch(wDevID) {
 181     case 0:
 182         TRACE("SOUND_MIXER_WRITE_PCM !\n");
 183         cmd = SOUND_MIXER_WRITE_PCM;
 184         break;
 185     case 1:
 186         TRACE("SOUND_MIXER_WRITE_SYNTH !\n");
 187         cmd = SOUND_MIXER_WRITE_SYNTH;
 188         break;
 189     case 2:
 190         TRACE("SOUND_MIXER_WRITE_CD !\n");
 191         cmd = SOUND_MIXER_WRITE_CD;
 192         break;
 193     case 3:
 194         TRACE("SOUND_MIXER_WRITE_LINE !\n");
 195         cmd = SOUND_MIXER_WRITE_LINE;
 196         break;
 197     case 4:
 198         TRACE("SOUND_MIXER_WRITE_MIC !\n");
 199         cmd = SOUND_MIXER_WRITE_MIC;
 200         break;
 201     case 5:
 202         TRACE("SOUND_MIXER_WRITE_VOLUME !\n");
 203         cmd = SOUND_MIXER_WRITE_VOLUME;
 204         break;
 205     default:
 206         WARN("invalid device id=%04X !\n", wDevID);
 207         return MMSYSERR_NOTENABLED;
 208     }
 209     if (ioctl(mixer, cmd, &volume) == -1) {
 210         WARN("unable to set mixer !\n");
 211         return MMSYSERR_NOTENABLED;
 212     }
 213     close(mixer);
 214     return MMSYSERR_NOERROR;
 215 }
 216
 217 #endif
 218
 219 /**************************************************************************
 220  *              auxMessage (WINEOSS.2)
 221  */
 222 DWORD WINAPI OSS_auxMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
 223                             DWORD dwParam1, DWORD dwParam2)
 224 {
 225     TRACE("(%04X, %04X, %08X, %08X, %08X);\n",
 226           wDevID, wMsg, dwUser, dwParam1, dwParam2);
 227
 228 #ifdef HAVE_OSS
 229     switch (wMsg) {
 230     case DRVM_INIT:
 231     case DRVM_EXIT:
 232     case DRVM_ENABLE:
 233     case DRVM_DISABLE:
 234         /* FIXME: Pretend this is supported */
 235         return 0;
 236     case AUXDM_GETDEVCAPS:
 237         return AUX_GetDevCaps(wDevID, (LPAUXCAPSW)dwParam1, dwParam2);
 238     case AUXDM_GETNUMDEVS:
 239         TRACE("return %d;\n", NumDev);
 240         return NumDev;
 241     case AUXDM_GETVOLUME:
 242         return AUX_GetVolume(wDevID, (LPDWORD)dwParam1);
 243     case AUXDM_SETVOLUME:
 244         return AUX_SetVolume(wDevID, dwParam1);
 245     default:
 246         WARN("unknown message !\n");
 247     }
 248     return MMSYSERR_NOTSUPPORTED;
 249 #else
 250     return MMSYSERR_NOTENABLED;
 251 #endif
 252 }