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 #ifdef HAVE_SYS_ERRNO_H
  35 #include <sys/errno.h>
  36 #endif
  37 #include <sys/soundcard.h>
  38
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "mmddk.h"
  42 #include "wine/unicode.h"
  43 #include "wine/debug.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(mmaux);
  46
  47 #define MIXER_DEV "/dev/mixer"
  48
  49 static int      NumDev = 6;
  50
  51 /*-----------------------------------------------------------------------*/
  52
  53 static LRESULT OSS_AuxInit(void)
  54 {
  55     int mixer;
  56     TRACE("()\n");
  57
  58     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  59         WARN("mixer device not available !\n");
  60         NumDev = 0;
  61     } else {
  62         close(mixer);
  63         NumDev = 6;
  64     }
  65     return 0;
  66 }
  67
  68 /*-----------------------------------------------------------------------*/
  69
  70 static LRESULT OSS_AuxExit(void)
  71 {
  72     TRACE("()\n");
  73     return 0;
  74 }
  75
  76 /**************************************************************************
  77  *                              AUX_GetDevCaps                  [internal]
  78  */
  79 static DWORD AUX_GetDevCaps(WORD wDevID, LPAUXCAPSW lpCaps, DWORD dwSize)
  80 {
  81     int         mixer, volume;
  82     static const WCHAR ini[] = {'O','S','S',' ','A','u','x',' ','#','0',0};
  83
  84     TRACE("(%04X, %p, %u);\n", wDevID, lpCaps, dwSize);
  85     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
  86     if (wDevID >= NumDev) return MMSYSERR_BADDEVICEID;
  87     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  88         WARN("mixer device not available !\n");
  89         return MMSYSERR_NOTENABLED;
  90     }
  91     if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
  92         close(mixer);
  93         WARN("unable to read mixer !\n");
  94         return MMSYSERR_NOTENABLED;
  95     }
  96     close(mixer);
  97     lpCaps->wMid = 0xAA;
  98     lpCaps->wPid = 0x55 + wDevID;
  99     lpCaps->vDriverVersion = 0x0100;
 100     strcpyW(lpCaps->szPname, ini);
 101     lpCaps->szPname[9] = '0' + wDevID; /* 6  at max */
 102     lpCaps->wTechnology = wDevID == 2 ? AUXCAPS_CDAUDIO : AUXCAPS_AUXIN;
 103     lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
 104
 105     return MMSYSERR_NOERROR;
 106 }
 107
 108
 109 /**************************************************************************
 110  *                              AUX_GetVolume                   [internal]
 111  */
 112 static DWORD AUX_GetVolume(WORD wDevID, LPDWORD lpdwVol)
 113 {
 114     int         mixer, volume, left, right, cmd;
 115
 116     TRACE("(%04X, %p);\n", wDevID, lpdwVol);
 117     if (lpdwVol == NULL) return MMSYSERR_NOTENABLED;
 118     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 119         WARN("mixer device not available !\n");
 120         return MMSYSERR_NOTENABLED;
 121     }
 122     switch(wDevID) {
 123     case 0:
 124         TRACE("SOUND_MIXER_READ_PCM !\n");
 125         cmd = SOUND_MIXER_READ_PCM;
 126         break;
 127     case 1:
 128         TRACE("SOUND_MIXER_READ_SYNTH !\n");
 129         cmd = SOUND_MIXER_READ_SYNTH;
 130         break;
 131     case 2:
 132         TRACE("SOUND_MIXER_READ_CD !\n");
 133         cmd = SOUND_MIXER_READ_CD;
 134         break;
 135     case 3:
 136         TRACE("SOUND_MIXER_READ_LINE !\n");
 137         cmd = SOUND_MIXER_READ_LINE;
 138         break;
 139     case 4:
 140         TRACE("SOUND_MIXER_READ_MIC !\n");
 141         cmd = SOUND_MIXER_READ_MIC;
 142         break;
 143     case 5:
 144         TRACE("SOUND_MIXER_READ_VOLUME !\n");
 145         cmd = SOUND_MIXER_READ_VOLUME;
 146         break;
 147     default:
 148         WARN("invalid device id=%04X !\n", wDevID);
 149         close(mixer);
 150         return MMSYSERR_NOTENABLED;
 151     }
 152     if (ioctl(mixer, cmd, &volume) == -1) {
 153         WARN("unable to read mixer !\n");
 154         close(mixer);
 155         return MMSYSERR_NOTENABLED;
 156     }
 157     close(mixer);
 158     left  = LOBYTE(LOWORD(volume));
 159     right = HIBYTE(LOWORD(volume));
 160     TRACE("left=%d right=%d !\n", left, right);
 161     *lpdwVol = MAKELONG((left * 0xFFFFL) / 100, (right * 0xFFFFL) / 100);
 162     return MMSYSERR_NOERROR;
 163 }
 164
 165 /**************************************************************************
 166  *                              AUX_SetVolume                   [internal]
 167  */
 168 static DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
 169 {
 170     int         mixer;
 171     int         volume, left, right;
 172     int         cmd;
 173
 174     TRACE("(%04X, %08X);\n", wDevID, dwParam);
 175
 176     left   = (LOWORD(dwParam) * 100) >> 16;
 177     right  = (HIWORD(dwParam) * 100) >> 16;
 178     volume = (right << 8) | left;
 179
 180     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 181         WARN("mixer device not available !\n");
 182         return MMSYSERR_NOTENABLED;
 183     }
 184
 185     switch(wDevID) {
 186     case 0:
 187         TRACE("SOUND_MIXER_WRITE_PCM !\n");
 188         cmd = SOUND_MIXER_WRITE_PCM;
 189         break;
 190     case 1:
 191         TRACE("SOUND_MIXER_WRITE_SYNTH !\n");
 192         cmd = SOUND_MIXER_WRITE_SYNTH;
 193         break;
 194     case 2:
 195         TRACE("SOUND_MIXER_WRITE_CD !\n");
 196         cmd = SOUND_MIXER_WRITE_CD;
 197         break;
 198     case 3:
 199         TRACE("SOUND_MIXER_WRITE_LINE !\n");
 200         cmd = SOUND_MIXER_WRITE_LINE;
 201         break;
 202     case 4:
 203         TRACE("SOUND_MIXER_WRITE_MIC !\n");
 204         cmd = SOUND_MIXER_WRITE_MIC;
 205         break;
 206     case 5:
 207         TRACE("SOUND_MIXER_WRITE_VOLUME !\n");
 208         cmd = SOUND_MIXER_WRITE_VOLUME;
 209         break;
 210     default:
 211         WARN("invalid device id=%04X !\n", wDevID);
 212         close(mixer);
 213         return MMSYSERR_NOTENABLED;
 214     }
 215     if (ioctl(mixer, cmd, &volume) == -1) {
 216         WARN("unable to set mixer !\n");
 217         close(mixer);
 218         return MMSYSERR_NOTENABLED;
 219     }
 220     close(mixer);
 221     return MMSYSERR_NOERROR;
 222 }
 223
 224 /**************************************************************************
 225  *              auxMessage (WINEOSS.2)
 226  */
 227 DWORD WINAPI OSS_auxMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
 228                             DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 229 {
 230     TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n",
 231           wDevID, wMsg, dwUser, dwParam1, dwParam2);
 232
 233     switch (wMsg) {
 234     case DRVM_INIT:
 235         return OSS_AuxInit();
 236     case DRVM_EXIT:
 237         return OSS_AuxExit();
 238     case DRVM_ENABLE:
 239     case DRVM_DISABLE:
 240         /* FIXME: Pretend this is supported */
 241         return 0;
 242     case AUXDM_GETDEVCAPS:
 243         return AUX_GetDevCaps(wDevID, (LPAUXCAPSW)dwParam1, dwParam2);
 244     case AUXDM_GETNUMDEVS:
 245         TRACE("return %d;\n", NumDev);
 246         return NumDev;
 247     case AUXDM_GETVOLUME:
 248         return AUX_GetVolume(wDevID, (LPDWORD)dwParam1);
 249     case AUXDM_SETVOLUME:
 250         return AUX_SetVolume(wDevID, dwParam1);
 251     default:
 252         WARN("unknown message !\n");
 253     }
 254     return MMSYSERR_NOTSUPPORTED;
 255 }