multimedia/mmaux.c

   1 /*
   2  * Sample AUXILARY Wine Driver for Linux
   3  *
   4  * Copyright 1994 Martin Ayotte
   5  *
   6 static char Copyright[] = "Copyright  Martin Ayotte, 1994";
   7 */
   8 #ifndef WINELIB
   9 #define BUILTIN_MMSYSTEM
  10 #endif
  11
  12 #ifdef BUILTIN_MMSYSTEM
  13
  14 #define EMULATE_SB16
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <unistd.h>
  19 #include <fcntl.h>
  20 #include <sys/ioctl.h>
  21 #include "win.h"
  22 #include "user.h"
  23 #include "driver.h"
  24 #include "mmsystem.h"
  25
  26 #ifdef linux
  27 #include <linux/soundcard.h>
  28 #endif
  29
  30 #define SOUND_DEV "/dev/dsp"
  31 #define MIXER_DEV "/dev/mixer"
  32
  33 #ifdef SOUND_VERSION
  34 #define IOCTL(a,b,c)            ioctl(a,b,&c)
  35 #else
  36 #define IOCTL(a,b,c)            (c = ioctl(a,b,c) )
  37 #endif
  38
  39
  40 /*-----------------------------------------------------------------------*/
  41
  42
  43 /**************************************************************************
  44 *                               AUX_GetDevCaps                  [internal]
  45 */
  46 DWORD AUX_GetDevCaps(WORD wDevID, LPAUXCAPS lpCaps, DWORD dwSize)
  47 {
  48 #ifdef linux
  49         int     mixer;
  50         int             volume;
  51         printf("AUX_GetDevCaps(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
  52         if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
  53         if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  54                 printf("AUX_GetDevCaps // mixer device not available !\n");
  55                 return MMSYSERR_NOTENABLED;
  56                 }
  57     if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
  58                 close(mixer);
  59                 printf("AUX_GetDevCaps // unable read mixer !\n");
  60                 return MMSYSERR_NOTENABLED;
  61                 }
  62         close(mixer);
  63 #ifdef EMULATE_SB16
  64         lpCaps->wMid = 0x0002;
  65         lpCaps->vDriverVersion = 0x0200;
  66         lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
  67         switch (wDevID) {
  68                 case 0:
  69                         lpCaps->wPid = 0x0196;
  70                         strcpy(lpCaps->szPname, "SB16 Aux: Wave");
  71                         lpCaps->wTechnology = AUXCAPS_AUXIN;
  72                         break;
  73                 case 1:
  74                         lpCaps->wPid = 0x0197;
  75                         strcpy(lpCaps->szPname, "SB16 Aux: Midi Synth");
  76                         lpCaps->wTechnology = AUXCAPS_AUXIN;
  77                         break;
  78                 case 2:
  79                         lpCaps->wPid = 0x0191;
  80                         strcpy(lpCaps->szPname, "SB16 Aux: CD");
  81                         lpCaps->wTechnology = AUXCAPS_CDAUDIO;
  82                         break;
  83                 case 3:
  84                         lpCaps->wPid = 0x0192;
  85                         strcpy(lpCaps->szPname, "SB16 Aux: Line-In");
  86                         lpCaps->wTechnology = AUXCAPS_AUXIN;
  87                         break;
  88                 case 4:
  89                         lpCaps->wPid = 0x0193;
  90                         strcpy(lpCaps->szPname, "SB16 Aux: Mic");
  91                         lpCaps->wTechnology = AUXCAPS_AUXIN;
  92                         break;
  93                 case 5:
  94                         lpCaps->wPid = 0x0194;
  95                         strcpy(lpCaps->szPname, "SB16 Aux: Master");
  96                         lpCaps->wTechnology = AUXCAPS_AUXIN;
  97                         break;
  98                 }
  99 #else
 100         lpCaps->wMid = 0xAA;
 101         lpCaps->wPid = 0x55;
 102         lpCaps->vDriverVersion = 0x0100;
 103         strcpy(lpCaps->szPname, "Generic Linux Auxiliary Driver");
 104         lpCaps->wTechnology = AUXCAPS_CDAUDIO;
 105         lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
 106 #endif
 107         return MMSYSERR_NOERROR;
 108 #else
 109         return MMSYSERR_NOTENABLED;
 110 #endif
 111 }
 112
 113
 114 /**************************************************************************
 115 *                               AUX_GetVolume                   [internal]
 116 */
 117 DWORD AUX_GetVolume(WORD wDevID, LPDWORD lpdwVol)
 118 {
 119 #ifdef linux
 120         int     mixer;
 121         int             volume;
 122         int             cmd;
 123         printf("AUX_GetVolume(%u, %p);\n", wDevID, lpdwVol);
 124         if (lpdwVol == NULL) return MMSYSERR_NOTENABLED;
 125         if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 126                 printf("Linux 'AUX_GetVolume' // mixer device not available !\n");
 127                 return MMSYSERR_NOTENABLED;
 128                 }
 129         switch(wDevID) {
 130                 case 0:
 131                         printf("Linux 'AUX_GetVolume' // SOUND_MIXER_READ_PCM !\n");
 132                         cmd = SOUND_MIXER_READ_PCM;
 133                         break;
 134                 case 1:
 135                         printf("Linux 'AUX_GetVolume' // SOUND_MIXER_READ_SYNTH !\n");
 136                         cmd = SOUND_MIXER_READ_SYNTH;
 137                         break;
 138                 case 2:
 139                         printf("Linux 'AUX_GetVolume' // SOUND_MIXER_READ_CD !\n");
 140                         cmd = SOUND_MIXER_READ_CD;
 141                         break;
 142                 case 3:
 143                         printf("Linux 'AUX_GetVolume' // SOUND_MIXER_READ_LINE !\n");
 144                         cmd = SOUND_MIXER_READ_LINE;
 145                         break;
 146                 case 4:
 147                         printf("Linux 'AUX_GetVolume' // SOUND_MIXER_READ_MIC !\n");
 148                         cmd = SOUND_MIXER_READ_MIC;
 149                         break;
 150                 case 5:
 151                 default:
 152                         printf("Linux 'AUX_GetVolume' // SOUND_MIXER_READ_VOLUME !\n");
 153                         cmd = SOUND_MIXER_READ_VOLUME;
 154                         break;
 155                 }
 156     if (ioctl(mixer, cmd, &volume) == -1) {
 157                 printf("Linux 'AUX_GetVolume' // unable read mixer !\n");
 158                 return MMSYSERR_NOTENABLED;
 159                 }
 160         close(mixer);
 161         *lpdwVol = MAKELONG(volume, volume);
 162         return MMSYSERR_NOERROR;
 163 #else
 164         return MMSYSERR_NOTENABLED;
 165 #endif
 166 }
 167
 168 /**************************************************************************
 169 *                               AUX_SetVolume                   [internal]
 170 */
 171 DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
 172 {
 173 #ifdef linux
 174         int     mixer;
 175         int             volume;
 176         int             cmd;
 177         printf("AUX_SetVolume(%u, %08lX);\n", wDevID, dwParam);
 178         volume = LOWORD(dwParam);
 179         if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 180                 printf("Linux 'AUX_SetVolume' // mixer device not available !\n");
 181                 return MMSYSERR_NOTENABLED;
 182                 }
 183         switch(wDevID) {
 184                 case 0:
 185                         printf("Linux 'AUX_SetVolume' // SOUND_MIXER_WRITE_PCM !\n");
 186                         cmd = SOUND_MIXER_WRITE_PCM;
 187                         break;
 188                 case 1:
 189                         printf("Linux 'AUX_SetVolume' // SOUND_MIXER_WRITE_SYNTH !\n");
 190                         cmd = SOUND_MIXER_WRITE_SYNTH;
 191                         break;
 192                 case 2:
 193                         printf("Linux 'AUX_SetVolume' // SOUND_MIXER_WRITE_CD !\n");
 194                         cmd = SOUND_MIXER_WRITE_CD;
 195                         break;
 196                 case 3:
 197                         printf("Linux 'AUX_SetVolume' // SOUND_MIXER_WRITE_LINE !\n");
 198                         cmd = SOUND_MIXER_WRITE_LINE;
 199                         break;
 200                 case 4:
 201                         printf("Linux 'AUX_SetVolume' // SOUND_MIXER_WRITE_MIC !\n");
 202                         cmd = SOUND_MIXER_WRITE_MIC;
 203                         break;
 204                 case 5:
 205                 default:
 206                         printf("Linux 'AUX_SetVolume' // SOUND_MIXER_WRITE_VOLUME !\n");
 207                         cmd = SOUND_MIXER_WRITE_VOLUME;
 208                         break;
 209                 }
 210     if (ioctl(mixer, cmd, &volume) == -1) {
 211                 printf("Linux 'AUX_SetVolume' // unable set mixer !\n");
 212                 return MMSYSERR_NOTENABLED;
 213                 }
 214         close(mixer);
 215         return MMSYSERR_NOERROR;
 216 #else
 217         return MMSYSERR_NOTENABLED;
 218 #endif
 219 }
 220
 221
 222 /**************************************************************************
 223 *                               auxMessage                      [sample driver]
 224 */
 225 DWORD auxMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
 226                                         DWORD dwParam1, DWORD dwParam2)
 227 {
 228         printf("auxMessage(%u, %04X, %08lX, %08lX, %08lX);\n",
 229                         wDevID, wMsg, dwUser, dwParam1, dwParam2);
 230         switch(wMsg) {
 231                 case AUXDM_GETDEVCAPS:
 232                         return AUX_GetDevCaps(wDevID, (LPAUXCAPS)dwParam1, dwParam2);
 233                 case AUXDM_GETNUMDEVS:
 234                         printf("AUX_GetNumDevs();\n");
 235                         return 1L;
 236                 case AUXDM_GETVOLUME:
 237                         return AUX_GetVolume(wDevID, (LPDWORD)dwParam1);
 238                 case AUXDM_SETVOLUME:
 239                         return AUX_SetVolume(wDevID, dwParam1);
 240                 }
 241         return MMSYSERR_NOTSUPPORTED;
 242 }
 243
 244
 245 #endif /* #ifdef BUILTIN_MMSYSTEM */