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 static 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 static 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',0};
  82
  83     TRACE("(%04X, %p, %u);\n", wDevID, lpCaps, dwSize);
  84     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
  85     if (wDevID >= NumDev) return MMSYSERR_BADDEVICEID;
  86     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  87         WARN("mixer device not available !\n");
  88         return MMSYSERR_NOTENABLED;
  89     }
  90     if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
  91         close(mixer);
  92         WARN("unable to read mixer !\n");
  93         return MMSYSERR_NOTENABLED;
  94     }
  95     close(mixer);
  96     lpCaps->wMid = 0xAA;
  97     lpCaps->wPid = 0x55 + wDevID;
  98     lpCaps->vDriverVersion = 0x0100;
  99     strcpyW(lpCaps->szPname, ini);
 100     lpCaps->szPname[9] = '0' + wDevID; /* 6  at max */
 101     lpCaps->wTechnology = wDevID == 2 ? AUXCAPS_CDAUDIO : AUXCAPS_AUXIN;
 102     lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
 103
 104     return MMSYSERR_NOERROR;
 105 }
 106
 107
 108 /**************************************************************************
 109  *                              AUX_GetVolume                   [internal]
 110  */
 111 static DWORD AUX_GetVolume(WORD wDevID, LPDWORD lpdwVol)
 112 {
 113     int         mixer, volume, left, right, cmd;
 114
 115     TRACE("(%04X, %p);\n", wDevID, lpdwVol);
 116     if (lpdwVol == NULL) return MMSYSERR_NOTENABLED;
 117     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 118         WARN("mixer device not available !\n");
 119         return MMSYSERR_NOTENABLED;
 120     }
 121     switch(wDevID) {
 122     case 0:
 123         TRACE("SOUND_MIXER_READ_PCM !\n");
 124         cmd = SOUND_MIXER_READ_PCM;
 125         break;
 126     case 1:
 127         TRACE("SOUND_MIXER_READ_SYNTH !\n");
 128         cmd = SOUND_MIXER_READ_SYNTH;
 129         break;
 130     case 2:
 131         TRACE("SOUND_MIXER_READ_CD !\n");
 132         cmd = SOUND_MIXER_READ_CD;
 133         break;
 134     case 3:
 135         TRACE("SOUND_MIXER_READ_LINE !\n");
 136         cmd = SOUND_MIXER_READ_LINE;
 137         break;
 138     case 4:
 139         TRACE("SOUND_MIXER_READ_MIC !\n");
 140         cmd = SOUND_MIXER_READ_MIC;
 141         break;
 142     case 5:
 143         TRACE("SOUND_MIXER_READ_VOLUME !\n");
 144         cmd = SOUND_MIXER_READ_VOLUME;
 145         break;
 146     default:
 147         WARN("invalid device id=%04X !\n", wDevID);
 148         close(mixer);
 149         return MMSYSERR_NOTENABLED;
 150     }
 151     if (ioctl(mixer, cmd, &volume) == -1) {
 152         WARN("unable to read mixer !\n");
 153         close(mixer);
 154         return MMSYSERR_NOTENABLED;
 155     }
 156     close(mixer);
 157     left  = LOBYTE(LOWORD(volume));
 158     right = HIBYTE(LOWORD(volume));
 159     TRACE("left=%d right=%d !\n", left, right);
 160     *lpdwVol = MAKELONG((left * 0xFFFFL) / 100, (right * 0xFFFFL) / 100);
 161     return MMSYSERR_NOERROR;
 162 }
 163
 164 /**************************************************************************
 165  *                              AUX_SetVolume                   [internal]
 166  */
 167 static DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
 168 {
 169     int         mixer;
 170     int         volume, left, right;
 171     int         cmd;
 172
 173     TRACE("(%04X, %08X);\n", wDevID, dwParam);
 174
 175     left   = (LOWORD(dwParam) * 100) >> 16;
 176     right  = (HIWORD(dwParam) * 100) >> 16;
 177     volume = (right << 8) | left;
 178
 179     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 180         WARN("mixer device not available !\n");
 181         return MMSYSERR_NOTENABLED;
 182     }
 183
 184     switch(wDevID) {
 185     case 0:
 186         TRACE("SOUND_MIXER_WRITE_PCM !\n");
 187         cmd = SOUND_MIXER_WRITE_PCM;
 188         break;
 189     case 1:
 190         TRACE("SOUND_MIXER_WRITE_SYNTH !\n");
 191         cmd = SOUND_MIXER_WRITE_SYNTH;
 192         break;
 193     case 2:
 194         TRACE("SOUND_MIXER_WRITE_CD !\n");
 195         cmd = SOUND_MIXER_WRITE_CD;
 196         break;
 197     case 3:
 198         TRACE("SOUND_MIXER_WRITE_LINE !\n");
 199         cmd = SOUND_MIXER_WRITE_LINE;
 200         break;
 201     case 4:
 202         TRACE("SOUND_MIXER_WRITE_MIC !\n");
 203         cmd = SOUND_MIXER_WRITE_MIC;
 204         break;
 205     case 5:
 206         TRACE("SOUND_MIXER_WRITE_VOLUME !\n");
 207         cmd = SOUND_MIXER_WRITE_VOLUME;
 208         break;
 209     default:
 210         WARN("invalid device id=%04X !\n", wDevID);
 211         close(mixer);
 212         return MMSYSERR_NOTENABLED;
 213     }
 214     if (ioctl(mixer, cmd, &volume) == -1) {
 215         WARN("unable to set mixer !\n");
 216         close(mixer);
 217         return MMSYSERR_NOTENABLED;
 218     }
 219     close(mixer);
 220     return MMSYSERR_NOERROR;
 221 }
 222
 223 #endif
 224
 225 /**************************************************************************
 226  *              auxMessage (WINEOSS.2)
 227  */
 228 DWORD WINAPI OSS_auxMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
 229                             DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 230 {
 231     TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n",
 232           wDevID, wMsg, dwUser, dwParam1, dwParam2);
 233
 234 #ifdef HAVE_OSS
 235     switch (wMsg) {
 236     case DRVM_INIT:
 237         return OSS_AuxInit();
 238     case DRVM_EXIT:
 239         return OSS_AuxExit();
 240     case DRVM_ENABLE:
 241     case DRVM_DISABLE:
 242         /* FIXME: Pretend this is supported */
 243         return 0;
 244     case AUXDM_GETDEVCAPS:
 245         return AUX_GetDevCaps(wDevID, (LPAUXCAPSW)dwParam1, dwParam2);
 246     case AUXDM_GETNUMDEVS:
 247         TRACE("return %d;\n", NumDev);
 248         return NumDev;
 249     case AUXDM_GETVOLUME:
 250         return AUX_GetVolume(wDevID, (LPDWORD)dwParam1);
 251     case AUXDM_SETVOLUME:
 252         return AUX_SetVolume(wDevID, dwParam1);
 253     default:
 254         WARN("unknown message !\n");
 255     }
 256     return MMSYSERR_NOTSUPPORTED;
 257 #else
 258     return MMSYSERR_NOTENABLED;
 259 #endif
 260 }