misc/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 #include "stdio.h"
  15 #include "win.h"
  16 #include "user.h"
  17 #include "driver.h"
  18 #include "mmsystem.h"
  19
  20 #include <fcntl.h>
  21 #include <sys/ioctl.h>
  22 #ifdef linux
  23 #include <linux/soundcard.h>
  24 #endif
  25
  26 #define SOUND_DEV "/dev/dsp"
  27 #define MIXER_DEV "/dev/mixer"
  28
  29 #ifdef SOUND_VERSION
  30 #define IOCTL(a,b,c)            ioctl(a,b,&c)
  31 #else
  32 #define IOCTL(a,b,c)            (c = ioctl(a,b,c) )
  33 #endif
  34
  35
  36 /*-----------------------------------------------------------------------*/
  37
  38
  39 /**************************************************************************
  40 *                               AUX_GetDevCaps                  [internal]
  41 */
  42 DWORD AUX_GetDevCaps(WORD wDevID, LPAUXCAPS lpCaps, DWORD dwSize)
  43 {
  44 #ifdef linux
  45         int     mixer;
  46         int             volume;
  47         printf("AUX_GetDevCaps(%u, %08X, %u);\n", wDevID, lpCaps, dwSize);
  48         if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
  49         if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  50                 printf("AUX_GetDevCaps // mixer device not available !\n");
  51                 return MMSYSERR_NOTENABLED;
  52                 }
  53     if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
  54                 printf("AUX_GetDevCaps // unable read mixer !\n");
  55                 return MMSYSERR_NOTENABLED;
  56                 }
  57         close(mixer);
  58         return MMSYSERR_NOERROR;
  59 #else
  60         return MMSYSERR_NOTENABLED;
  61 #endif
  62 }
  63
  64
  65 /**************************************************************************
  66 *                               AUX_GetVolume                   [internal]
  67 */
  68 DWORD AUX_GetVolume(WORD wDevID, DWORD dwParam)
  69 {
  70 #ifdef linux
  71         int     mixer;
  72         int             volume;
  73         printf("AUX_GetVolume(%u, %08X);\n", wDevID, dwParam);
  74         if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  75                 printf("Linux 'AUX_GetVolume' // mixer device not available !\n");
  76                 return MMSYSERR_NOTENABLED;
  77                 }
  78     if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
  79                 printf("Linux 'AUX_GetVolume' // unable read mixer !\n");
  80                 return MMSYSERR_NOTENABLED;
  81                 }
  82         close(mixer);
  83         return MMSYSERR_NOERROR;
  84 #else
  85         return MMSYSERR_NOTENABLED;
  86 #endif
  87 }
  88
  89 /**************************************************************************
  90 *                               AUX_SetVolume                   [internal]
  91 */
  92 DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
  93 {
  94 #ifdef linux
  95         int     mixer;
  96         int             volume = 50;
  97         printf("AUX_SetVolume(%u, %08X);\n", wDevID, dwParam);
  98         if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  99                 printf("Linux 'AUX_SetVolume' // mixer device not available !\n");
 100                 return MMSYSERR_NOTENABLED;
 101                 }
 102     if (ioctl(mixer, SOUND_MIXER_WRITE_LINE, &volume) == -1) {
 103                 printf("Linux 'AUX_SetVolume' // unable set mixer !\n");
 104                 return MMSYSERR_NOTENABLED;
 105                 }
 106         close(mixer);
 107         return MMSYSERR_NOERROR;
 108 #else
 109         return MMSYSERR_NOTENABLED;
 110 #endif
 111 }
 112
 113
 114 /**************************************************************************
 115 *                               auxMessage                      [sample driver]
 116 */
 117 DWORD auxMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
 118                                         DWORD dwParam1, DWORD dwParam2)
 119 {
 120         printf("auxMessage(%u, %04X, %08X, %08X, %08X);\n",
 121                         wDevID, wMsg, dwUser, dwParam1, dwParam2);
 122         switch(wMsg) {
 123                 case AUXDM_GETDEVCAPS:
 124                         return AUX_GetDevCaps(wDevID, (LPAUXCAPS)dwParam1, dwParam2);
 125                 case AUXDM_GETNUMDEVS:
 126                         return 0L;
 127                 case AUXDM_GETVOLUME:
 128                         return AUX_GetVolume(wDevID, dwParam1);
 129                 case AUXDM_SETVOLUME:
 130                         return AUX_SetVolume(wDevID, dwParam1);
 131                 }
 132         return MMSYSERR_NOTSUPPORTED;
 133 }
 134
 135
 136 #endif /* #ifdef BUILTIN_MMSYSTEM */