git.oblomov.eu Git - wine/blob - 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
   8 #define EMULATE_SB16
   9
  10 #include "config.h"
  11
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include <unistd.h>
  15 #include <fcntl.h>
  16 #include <sys/ioctl.h>
  17 #include "windef.h"
  18 #include "driver.h"
  19 #include "mmddk.h"
  20 #include "oss.h"
  21 #include "debugtools.h"
  22
  23 DEFAULT_DEBUG_CHANNEL(mmaux)
  24
  25 #ifdef HAVE_OSS
  26
  27 #define MIXER_DEV "/dev/mixer"
  28
  29 static int      NumDev = 6;
  30
  31 /*-----------------------------------------------------------------------*/
  32
  33 static  int     AUXDRV_Init(void)
  34 {
  35     int mixer;
  36
  37     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  38         WARN("mixer device not available !\n");
  39         NumDev = 0;
  40     } else {
  41         close(mixer);
  42         NumDev = 6;
  43     }
  44     return NumDev;
  45 }
  46
  47 /**************************************************************************
  48  *                              AUX_GetDevCaps                  [internal]
  49  */
  50 static DWORD AUX_GetDevCaps(WORD wDevID, LPAUXCAPSA lpCaps, DWORD dwSize)
  51 {
  52     int         mixer,volume;
  53
  54     TRACE("(%04X, %p, %lu);\n", wDevID, lpCaps, dwSize);
  55     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
  56     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  57         WARN("mixer device not available !\n");
  58         return MMSYSERR_NOTENABLED;
  59     }
  60     if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
  61         close(mixer);
  62         WARN("unable to read mixer !\n");
  63         return MMSYSERR_NOTENABLED;
  64     }
  65     close(mixer);
  66 #ifdef EMULATE_SB16
  67     lpCaps->wMid = 0x0002;
  68     lpCaps->vDriverVersion = 0x0200;
  69     lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
  70     switch (wDevID) {
  71     case 0:
  72         lpCaps->wPid = 0x0196;
  73         strcpy(lpCaps->szPname, "SB16 Aux: Wave");
  74         lpCaps->wTechnology = AUXCAPS_AUXIN;
  75         break;
  76     case 1:
  77         lpCaps->wPid = 0x0197;
  78         strcpy(lpCaps->szPname, "SB16 Aux: Midi Synth");
  79         lpCaps->wTechnology = AUXCAPS_AUXIN;
  80         break;
  81     case 2:
  82         lpCaps->wPid = 0x0191;
  83         strcpy(lpCaps->szPname, "SB16 Aux: CD");
  84         lpCaps->wTechnology = AUXCAPS_CDAUDIO;
  85         break;
  86     case 3:
  87         lpCaps->wPid = 0x0192;
  88         strcpy(lpCaps->szPname, "SB16 Aux: Line-In");
  89         lpCaps->wTechnology = AUXCAPS_AUXIN;
  90         break;
  91     case 4:
  92         lpCaps->wPid = 0x0193;
  93         strcpy(lpCaps->szPname, "SB16 Aux: Mic");
  94         lpCaps->wTechnology = AUXCAPS_AUXIN;
  95         break;
  96     case 5:
  97         lpCaps->wPid = 0x0194;
  98         strcpy(lpCaps->szPname, "SB16 Aux: Master");
  99         lpCaps->wTechnology = AUXCAPS_AUXIN;
 100         break;
 101     }
 102 #else
 103     lpCaps->wMid = 0xAA;
 104     lpCaps->wPid = 0x55;
 105     lpCaps->vDriverVersion = 0x0100;
 106     strcpy(lpCaps->szPname, "Generic Linux Auxiliary Driver");
 107     lpCaps->wTechnology = AUXCAPS_CDAUDIO;
 108     lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
 109 #endif
 110     return MMSYSERR_NOERROR;
 111 }
 112
 113
 114 /**************************************************************************
 115  *                              AUX_GetVolume                   [internal]
 116  */
 117 static DWORD AUX_GetVolume(WORD wDevID, LPDWORD lpdwVol)
 118 {
 119     int         mixer, volume, left, right, cmd;
 120
 121     TRACE("(%04X, %p);\n", wDevID, lpdwVol);
 122     if (lpdwVol == NULL) return MMSYSERR_NOTENABLED;
 123     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 124         WARN("mixer device not available !\n");
 125         return MMSYSERR_NOTENABLED;
 126     }
 127     switch(wDevID) {
 128     case 0:
 129         TRACE("SOUND_MIXER_READ_PCM !\n");
 130         cmd = SOUND_MIXER_READ_PCM;
 131         break;
 132     case 1:
 133         TRACE("SOUND_MIXER_READ_SYNTH !\n");
 134         cmd = SOUND_MIXER_READ_SYNTH;
 135         break;
 136     case 2:
 137         TRACE("SOUND_MIXER_READ_CD !\n");
 138         cmd = SOUND_MIXER_READ_CD;
 139         break;
 140     case 3:
 141         TRACE("SOUND_MIXER_READ_LINE !\n");
 142         cmd = SOUND_MIXER_READ_LINE;
 143         break;
 144     case 4:
 145         TRACE("SOUND_MIXER_READ_MIC !\n");
 146         cmd = SOUND_MIXER_READ_MIC;
 147         break;
 148     case 5:
 149         TRACE("SOUND_MIXER_READ_VOLUME !\n");
 150         cmd = SOUND_MIXER_READ_VOLUME;
 151         break;
 152     default:
 153         WARN("invalid device id=%04X !\n", wDevID);
 154         return MMSYSERR_NOTENABLED;
 155     }
 156     if (ioctl(mixer, cmd, &volume) == -1) {
 157         WARN("unable to read mixer !\n");
 158         return MMSYSERR_NOTENABLED;
 159     }
 160     close(mixer);
 161     left  = LOBYTE(LOWORD(volume));
 162     right = HIBYTE(LOWORD(volume));
 163     TRACE("left=%d right=%d !\n", left, right);
 164     *lpdwVol = MAKELONG((left * 0xFFFFL) / 100, (right * 0xFFFFL) / 100);
 165     return MMSYSERR_NOERROR;
 166 }
 167
 168 /**************************************************************************
 169  *                              AUX_SetVolume                   [internal]
 170  */
 171 static DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
 172 {
 173     int         mixer;
 174     int         volume, left, right;
 175     int         cmd;
 176
 177     TRACE("(%04X, %08lX);\n", wDevID, dwParam);
 178
 179     left   = (LOWORD(dwParam) * 100) >> 16;
 180     right  = (HIWORD(dwParam) * 100) >> 16;
 181     volume = (right << 8) | left;
 182
 183     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 184         WARN("mixer device not available !\n");
 185         return MMSYSERR_NOTENABLED;
 186     }
 187
 188     switch(wDevID) {
 189     case 0:
 190         TRACE("SOUND_MIXER_WRITE_PCM !\n");
 191         cmd = SOUND_MIXER_WRITE_PCM;
 192         break;
 193     case 1:
 194         TRACE("SOUND_MIXER_WRITE_SYNTH !\n");
 195         cmd = SOUND_MIXER_WRITE_SYNTH;
 196         break;
 197     case 2:
 198         TRACE("SOUND_MIXER_WRITE_CD !\n");
 199         cmd = SOUND_MIXER_WRITE_CD;
 200         break;
 201     case 3:
 202         TRACE("SOUND_MIXER_WRITE_LINE !\n");
 203         cmd = SOUND_MIXER_WRITE_LINE;
 204         break;
 205     case 4:
 206         TRACE("SOUND_MIXER_WRITE_MIC !\n");
 207         cmd = SOUND_MIXER_WRITE_MIC;
 208         break;
 209     case 5:
 210         TRACE("SOUND_MIXER_WRITE_VOLUME !\n");
 211         cmd = SOUND_MIXER_WRITE_VOLUME;
 212         break;
 213     default:
 214         WARN("invalid device id=%04X !\n", wDevID);
 215         return MMSYSERR_NOTENABLED;
 216     }
 217     if (ioctl(mixer, cmd, &volume) == -1) {
 218         WARN("unable to set mixer !\n");
 219         return MMSYSERR_NOTENABLED;
 220     }
 221     close(mixer);
 222     return MMSYSERR_NOERROR;
 223 }
 224
 225 #endif
 226
 227 /**************************************************************************
 228  *              OSS_auxMessage                          [sample driver]
 229  */
 230 DWORD WINAPI OSS_auxMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
 231                             DWORD dwParam1, DWORD dwParam2)
 232 {
 233     TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n",
 234           wDevID, wMsg, dwUser, dwParam1, dwParam2);
 235
 236 #ifdef HAVE_OSS
 237     switch (wMsg) {
 238     case DRVM_INIT:
 239         AUXDRV_Init();
 240         /* fall thru */
 241     case DRVM_EXIT:
 242     case DRVM_ENABLE:
 243     case DRVM_DISABLE:
 244         /* FIXME: Pretend this is supported */
 245         return 0;
 246     case AUXDM_GETDEVCAPS:
 247         return AUX_GetDevCaps(wDevID, (LPAUXCAPSA)dwParam1,dwParam2);
 248     case AUXDM_GETNUMDEVS:
 249         TRACE("return %d;\n", NumDev);
 250         return NumDev;
 251     case AUXDM_GETVOLUME:
 252         return AUX_GetVolume(wDevID, (LPDWORD)dwParam1);
 253     case AUXDM_SETVOLUME:
 254         return AUX_SetVolume(wDevID, dwParam1);
 255     default:
 256         WARN("unknown message !\n");
 257     }
 258     return MMSYSERR_NOTSUPPORTED;
 259 #else
 260     return MMSYSERR_NOTENABLED;
 261 #endif
 262 }