multimedia/mcicda.c

/*
 * Sample MCI CDAUDIO Wine Driver for Linux
 *
 * Copyright 1994 Martin Ayotte
 */

#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "windows.h"
#include "user.h"
#include "driver.h"
#include "mmsystem.h"
#include "debug.h"

#ifdef HAVE_LINUX_CDROM_H
# include <linux/cdrom.h>
#endif
#ifdef HAVE_MACHINE_SOUNDCARD_H
# include <machine/soundcard.h>
#endif
#ifdef HAVE_SYS_CDIO_H
# include <sys/cdio.h>
#endif

#ifdef __FreeBSD__
# define CDAUDIO_DEV "/dev/rcd0c"
#else
# define CDAUDIO_DEV "/dev/cdrom"
#endif

#ifdef SOUND_VERSION
# define IOCTL(a,b,c)		ioctl(a,b,&c)
#else
# define IOCTL(a,b,c)		(c = ioctl(a,b,c) )
#endif

#define MAX_CDAUDIODRV 		(1)
#define MAX_CDAUDIO_TRACKS 	256

#define CDFRAMES_PERSEC 	75
#define CDFRAMES_PERMIN 	4500
#define SECONDS_PERMIN	 	60

#if defined(linux) || defined(__FreeBSD__)
typedef struct {
    int     nUseCount;          /* Incremented for each shared open */
    BOOL16  fShareable;         /* TRUE if first open was shareable */
    WORD    wNotifyDeviceID;    /* MCI device ID with a pending notification */
    HANDLE16 hCallback;          /* Callback handle for pending notification */
	MCI_OPEN_PARMS16 openParms;
	DWORD	dwTimeFormat;
	int		unixdev;
#ifdef linux
	struct cdrom_subchnl	sc;
#elif __FreeBSD__
	struct cd_sub_channel_info	sc;
#endif
	int		mode;
	UINT16	nCurTrack;
	DWORD	dwCurFrame;
	UINT16	nTracks;
	DWORD	dwTotalLen;
	LPDWORD	lpdwTrackLen;
	LPDWORD	lpdwTrackPos;
	DWORD	dwFirstOffset;
	} LINUX_CDAUDIO;

static LINUX_CDAUDIO	CDADev[MAX_CDAUDIODRV];
#endif


/*-----------------------------------------------------------------------*/


/**************************************************************************
* 				CDAUDIO_GetNumberOfTracks		[internal]
*/
static UINT16 CDAUDIO_GetNumberOfTracks(UINT16 wDevID)
{
#if defined(linux) || defined(__FreeBSD__)
#ifdef linux
	struct cdrom_tochdr	hdr;
#elif __FreeBSD__
	struct ioc_toc_header	hdr;
#endif

	if (CDADev[wDevID].nTracks == 0) {
		if (ioctl(CDADev[wDevID].unixdev,
#ifdef linux
			  CDROMREADTOCHDR
#elif __FreeBSD__
			  CDIOREADTOCHEADER
#endif
			  , &hdr)) {
            		WARN(cdaudio, "(%04X) -- Error occured !\n", 
				     wDevID);
			return (WORD)-1;
			}
#ifdef linux
		CDADev[wDevID].nTracks = hdr.cdth_trk1;
#elif __FreeBSD__
		CDADev[wDevID].nTracks = hdr.ending_track - hdr.starting_track + 1;
#endif
		}
	return CDADev[wDevID].nTracks;
#else
	return (WORD)-1;
#endif
}


/**************************************************************************
* 				CDAUDIO_GetTracksInfo			[internal]
*/
static BOOL32 CDAUDIO_GetTracksInfo(UINT16 wDevID)
{
#if defined(linux) || defined(__FreeBSD__)
	int		i, length;
	int		start, last_start = 0;
	int		total_length = 0;
#ifdef linux
	struct cdrom_tocentry	entry;
#elif __FreeBSD__
	struct ioc_read_toc_entry	entry;
	struct cd_toc_entry             toc_buffer;
#endif

	if (CDADev[wDevID].nTracks == 0) {
		if (CDAUDIO_GetNumberOfTracks(wDevID) == (WORD)-1) return FALSE;
		}
    	TRACE(cdaudio,"nTracks=%u\n", 
		CDADev[wDevID].nTracks);
	if (CDADev[wDevID].lpdwTrackLen != NULL) 
		free(CDADev[wDevID].lpdwTrackLen);
	CDADev[wDevID].lpdwTrackLen = (LPDWORD)malloc(
		(CDADev[wDevID].nTracks + 1) * sizeof(DWORD));
	if (CDADev[wDevID].lpdwTrackPos != NULL) 
		free(CDADev[wDevID].lpdwTrackPos);
	CDADev[wDevID].lpdwTrackPos = (LPDWORD)malloc(
		(CDADev[wDevID].nTracks + 1) * sizeof(DWORD));
	if (CDADev[wDevID].lpdwTrackLen == NULL ||
		CDADev[wDevID].lpdwTrackPos == NULL) {
        		WARN(cdaudio, "error allocating track table !\n");
		return FALSE;
		}
	memset(CDADev[wDevID].lpdwTrackLen, 0, 
		(CDADev[wDevID].nTracks + 1) * sizeof(DWORD));
	memset(CDADev[wDevID].lpdwTrackPos, 0, 
		(CDADev[wDevID].nTracks + 1) * sizeof(DWORD));
	for (i = 0; i <= CDADev[wDevID].nTracks; i++) {
		if (i == CDADev[wDevID].nTracks)
#ifdef linux
			entry.cdte_track = CDROM_LEADOUT;
#elif __FreeBSD__
#define LEADOUT 0xaa
			entry.starting_track = LEADOUT; /* XXX */
#endif
		else
#ifdef linux
			entry.cdte_track = i + 1;
#elif __FreeBSD__
			entry.starting_track = i + 1;
#endif
#ifdef linux
		entry.cdte_format = CDROM_MSF;
#elif __FreeBSD__
		bzero((char *)&toc_buffer, sizeof(toc_buffer));
		entry.address_format = CD_MSF_FORMAT;
		entry.data_len = sizeof(toc_buffer);
	        entry.data = &toc_buffer;
#endif
		if (ioctl(CDADev[wDevID].unixdev, 
#ifdef linux
			  CDROMREADTOCENTRY
#elif __FreeBSD__
			  CDIOREADTOCENTRYS
#endif
			  , &entry)) {
            		WARN(cdaudio, "error read entry\n");
			return FALSE;
			}
#ifdef linux
		start = CDFRAMES_PERSEC * (SECONDS_PERMIN * 
			entry.cdte_addr.msf.minute + entry.cdte_addr.msf.second) + 
			entry.cdte_addr.msf.frame;
#elif __FreeBSD__
		start = CDFRAMES_PERSEC * (SECONDS_PERMIN *
			toc_buffer.addr.msf.minute + toc_buffer.addr.msf.second) +
        	        toc_buffer.addr.msf.frame;
#endif
		if (i == 0) {
			last_start = start;
			CDADev[wDevID].dwFirstOffset = start;
            		TRACE(cdaudio, "dwFirstOffset=%u\n", 
				start);
			}
		else {
			length = start - last_start;
			last_start = start;
			start = last_start - length;
			total_length += length;
			CDADev[wDevID].lpdwTrackLen[i - 1] = length;
			CDADev[wDevID].lpdwTrackPos[i - 1] = start;
            		TRACE(cdaudio, "track #%u start=%u len=%u\n",
				     i, start, length);
			}
		}
	CDADev[wDevID].dwTotalLen = total_length;
    	TRACE(cdaudio,"total_len=%u\n", 
		total_length);
	return TRUE;
#else
	return FALSE;
#endif
}


/**************************************************************************
* 				CDAUDIO_mciOpen			[internal]
*/
static DWORD CDAUDIO_mciOpen(UINT16 wDevID, DWORD dwFlags, LPMCI_OPEN_PARMS16 lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
					wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;

	if (CDADev[wDevID].nUseCount > 0) {
		/* The driver already open on this channel */
		/* If the driver was opened shareable before and this open specifies */
		/* shareable then increment the use count */
		if (CDADev[wDevID].fShareable && (dwFlags & MCI_OPEN_SHAREABLE))
			++CDADev[wDevID].nUseCount;
		else
			return MCIERR_MUST_USE_SHAREABLE;
		}
	else {
		CDADev[wDevID].nUseCount = 1;
		CDADev[wDevID].fShareable = dwFlags & MCI_OPEN_SHAREABLE;
		}
    if (dwFlags & MCI_OPEN_ELEMENT) {
		TRACE(cdaudio,"MCI_OPEN_ELEMENT !\n");
/*		return MCIERR_NO_ELEMENT_ALLOWED; */
		}
	memcpy(&CDADev[wDevID].openParms, lpParms, sizeof(MCI_OPEN_PARMS16));
	CDADev[wDevID].wNotifyDeviceID = lpParms->wDeviceID;
	CDADev[wDevID].unixdev = open (CDAUDIO_DEV, O_RDONLY, 0);
	if (CDADev[wDevID].unixdev == -1) {
		WARN(cdaudio,"can't open '%s' !\n", CDAUDIO_DEV);
		return MCIERR_HARDWARE;
		}
	CDADev[wDevID].mode = 0;
	CDADev[wDevID].dwTimeFormat = MCI_FORMAT_TMSF;
	CDADev[wDevID].nCurTrack = 0;
	CDADev[wDevID].nTracks = 0;
	CDADev[wDevID].dwTotalLen = 0;
	CDADev[wDevID].dwFirstOffset = 0;
	CDADev[wDevID].lpdwTrackLen = NULL;
	CDADev[wDevID].lpdwTrackPos = NULL;
	if (!CDAUDIO_GetTracksInfo(wDevID)) {
		WARN(cdaudio,"error reading TracksInfo !\n");
/*		return MCIERR_INTERNAL; */
		}

/*
   Moved to mmsystem.c mciOpen routine

	if (dwFlags & MCI_NOTIFY) {
        	TRACE(cdaudio, "MCI_NOTIFY_SUCCESSFUL %08lX !\n", 
			lpParms->dwCallback);
		mciDriverNotify((HWND16)LOWORD(lpParms->dwCallback), 
			CDADev[wDevID].wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
		}
*/
 	return 0;
#else
	return MCIERR_HARDWARE;
#endif
}

/**************************************************************************
* 				CDAUDIO_mciClose		[internal]
*/
static DWORD CDAUDIO_mciClose(UINT16 wDevID, DWORD dwParam, LPMCI_GENERIC_PARMS lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
		wDevID, dwParam, lpParms);
	if (CDADev[wDevID].lpdwTrackLen != NULL) free(CDADev[wDevID].lpdwTrackLen);
	if (CDADev[wDevID].lpdwTrackPos != NULL) free(CDADev[wDevID].lpdwTrackPos);
	close(CDADev[wDevID].unixdev);
#endif
        return 0;
}

/**************************************************************************
* 				CDAUDIO_mciGetDevCaps	[internal]
*/
static DWORD CDAUDIO_mciGetDevCaps(UINT16 wDevID, DWORD dwFlags, 
						LPMCI_GETDEVCAPS_PARMS lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
		wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;
	if (dwFlags & MCI_GETDEVCAPS_ITEM) {
        	TRACE(cdaudio, "MCI_GETDEVCAPS_ITEM dwItem=%08lX;\n",
			     lpParms->dwItem);
		switch(lpParms->dwItem) {
			case MCI_GETDEVCAPS_CAN_RECORD:
				lpParms->dwReturn = FALSE;
				break;
			case MCI_GETDEVCAPS_HAS_AUDIO:
				lpParms->dwReturn = TRUE;
				break;
			case MCI_GETDEVCAPS_HAS_VIDEO:
				lpParms->dwReturn = FALSE;
				break;
			case MCI_GETDEVCAPS_DEVICE_TYPE:
				lpParms->dwReturn = MCI_DEVTYPE_CD_AUDIO;
				break;
			case MCI_GETDEVCAPS_USES_FILES:
				lpParms->dwReturn = FALSE;
				break;
			case MCI_GETDEVCAPS_COMPOUND_DEVICE:
				lpParms->dwReturn = FALSE;
				break;
			case MCI_GETDEVCAPS_CAN_EJECT:
				lpParms->dwReturn = TRUE;
				break;
			case MCI_GETDEVCAPS_CAN_PLAY:
				lpParms->dwReturn = TRUE;
				break;
			case MCI_GETDEVCAPS_CAN_SAVE:
				lpParms->dwReturn = FALSE;
				break;
			default:
				return MCIERR_UNRECOGNIZED_COMMAND;
			}
		}
    	TRACE(cdaudio, "lpParms->dwReturn=%08lX;\n", 
		lpParms->dwReturn);
 	return 0;
#else
	return MCIERR_INTERNAL;
#endif
}

/**************************************************************************
* 				CDAUDIO_mciInfo			[internal]
*/
static DWORD CDAUDIO_mciInfo(UINT16 wDevID, DWORD dwFlags, LPMCI_INFO_PARMS16 lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
		wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;
	lpParms->lpstrReturn = NULL;
	switch(dwFlags) {
		case MCI_INFO_PRODUCT:
			lpParms->lpstrReturn = "Linux CDROM 0.5";
			break;
		default:
			return MCIERR_UNRECOGNIZED_COMMAND;
		}
	if (lpParms->lpstrReturn != NULL)
		lpParms->dwRetSize = strlen(lpParms->lpstrReturn);
	else
		lpParms->dwRetSize = 0;
 	return 0;
#else
	return MCIERR_INTERNAL;
#endif
}


/**************************************************************************
* 				CDAUDIO_CalcFrame			[internal]
*/
static DWORD CDAUDIO_CalcFrame(UINT16 wDevID, DWORD dwFormatType, DWORD dwTime)
{
	DWORD	dwFrame = 0;
#if defined(linux) || defined(__FreeBSD__)
	UINT16	wTrack;
    
    	TRACE(cdaudio,"(%04X, %08lX, %lu);\n", 
		wDevID, dwFormatType, dwTime);
    
	switch (dwFormatType) {
		case MCI_FORMAT_MILLISECONDS:
			dwFrame = dwTime * CDFRAMES_PERSEC / 1000;
            		TRACE(cdaudio, "MILLISECONDS %lu\n", 
				dwFrame);
			break;
		case MCI_FORMAT_MSF:
            		TRACE(cdaudio, "MSF %02u:%02u:%02u\n",
				MCI_MSF_MINUTE(dwTime), MCI_MSF_SECOND(dwTime), 
				MCI_MSF_FRAME(dwTime));
			dwFrame += CDFRAMES_PERMIN * MCI_MSF_MINUTE(dwTime);
			dwFrame += CDFRAMES_PERSEC * MCI_MSF_SECOND(dwTime);
			dwFrame += MCI_MSF_FRAME(dwTime);
			break;
		default:
			/* unknown format ! force TMSF ! ... */
			dwFormatType = MCI_FORMAT_TMSF;
		case MCI_FORMAT_TMSF:
			wTrack = MCI_TMSF_TRACK(dwTime);
            		TRACE(cdaudio, "MSF %02u-%02u:%02u:%02u\n",
					MCI_TMSF_TRACK(dwTime), MCI_TMSF_MINUTE(dwTime), 
					MCI_TMSF_SECOND(dwTime), MCI_TMSF_FRAME(dwTime));
            		TRACE(cdaudio, "TMSF trackpos[%u]=%lu\n",
				wTrack, CDADev[wDevID].lpdwTrackPos[wTrack - 1]);
			dwFrame = CDADev[wDevID].lpdwTrackPos[wTrack - 1];
			dwFrame += CDFRAMES_PERMIN * MCI_TMSF_MINUTE(dwTime);
			dwFrame += CDFRAMES_PERSEC * MCI_TMSF_SECOND(dwTime);
			dwFrame += MCI_TMSF_FRAME(dwTime);
			break;
		}
#endif
	return dwFrame;
}


/**************************************************************************
* 				CDAUDIO_GetCDStatus				[internal]
*/
static BOOL32 CDAUDIO_GetCDStatus(UINT16 wDevID)
{
#if defined(linux) || defined(__FreeBSD__)
	int		oldmode = CDADev[wDevID].mode;
#ifdef __FreeBSD__
	struct ioc_read_subchannel	read_sc;

	read_sc.address_format = CD_MSF_FORMAT;
	read_sc.data_format    = CD_CURRENT_POSITION;
	read_sc.track          = 0;
	read_sc.data_len       = sizeof(CDADev[wDevID].sc);
	read_sc.data	       = (struct cd_sub_channel_info *)&CDADev[wDevID].sc;
#elif linux
	CDADev[wDevID].sc.cdsc_format = CDROM_MSF;
#endif
	if (ioctl(CDADev[wDevID].unixdev,
#ifdef linux
		  CDROMSUBCHNL, &CDADev[wDevID].sc
#elif __FreeBSD__
		  CDIOCREADSUBCHANNEL, &read_sc
#endif
		  )) {
        	TRACE(cdaudio,"opened or no_media !\n");
		CDADev[wDevID].mode = MCI_MODE_NOT_READY;
		return TRUE;
		}
	switch (
#ifdef linux
		CDADev[wDevID].sc.cdsc_audiostatus
#elif __FreeBSD__
		CDADev[wDevID].sc.header.audio_status
#endif
		) {
#ifdef linux
		case CDROM_AUDIO_INVALID:
#elif __FreeBSD__
		case CD_AS_AUDIO_INVALID:
#endif
            		WARN(cdaudio, "device doesn't support status, returning NOT_READY.\n");
#ifdef linux
			CDADev[wDevID].mode = MCI_MODE_NOT_READY;
#elif __FreeBSD__
			CDADev[wDevID].mode = MCI_MODE_STOP;
#endif
			break;
#ifdef linux
		case CDROM_AUDIO_NO_STATUS: 
#elif __FreeBSD__
		case CD_AS_NO_STATUS:
#endif
			CDADev[wDevID].mode = MCI_MODE_STOP;
            		TRACE(cdaudio,"MCI_MODE_STOP !\n");
			break;
#ifdef linux
		case CDROM_AUDIO_PLAY: 
#elif __FreeBSD__
		case CD_AS_PLAY_IN_PROGRESS:
#endif
			CDADev[wDevID].mode = MCI_MODE_PLAY;
            		TRACE(cdaudio,"MCI_MODE_PLAY !\n");
			break;
#ifdef linux
		case CDROM_AUDIO_PAUSED:
#elif __FreeBSD__
		case CD_AS_PLAY_PAUSED:
#endif
			CDADev[wDevID].mode = MCI_MODE_PAUSE;
            		TRACE(cdaudio,"MCI_MODE_PAUSE !\n");
			break;
		default:
#ifdef linux
            		TRACE(cdaudio,"status=%02X !\n",
				     CDADev[wDevID].sc.cdsc_audiostatus);
#elif __FreeBSD__
            		TRACE(cdaudio,"status=%02X !\n",
				     CDADev[wDevID].sc.header.audio_status);
#endif
		}
#ifdef linux
	CDADev[wDevID].nCurTrack = CDADev[wDevID].sc.cdsc_trk;
	CDADev[wDevID].dwCurFrame = 
		CDFRAMES_PERMIN * CDADev[wDevID].sc.cdsc_absaddr.msf.minute +
		CDFRAMES_PERSEC * CDADev[wDevID].sc.cdsc_absaddr.msf.second +
		CDADev[wDevID].sc.cdsc_absaddr.msf.frame;
#elif __FreeBSD__
	CDADev[wDevID].nCurTrack = CDADev[wDevID].sc.what.position.track_number;
	CDADev[wDevID].dwCurFrame = 
		CDFRAMES_PERMIN * CDADev[wDevID].sc.what.position.absaddr.msf.minute +
		CDFRAMES_PERSEC * CDADev[wDevID].sc.what.position.absaddr.msf.second +
		CDADev[wDevID].sc.what.position.absaddr.msf.frame;
#endif
#ifdef linux
    	TRACE(cdaudio,"%02u-%02u:%02u:%02u \n",
		     CDADev[wDevID].sc.cdsc_trk,
		     CDADev[wDevID].sc.cdsc_absaddr.msf.minute,
		     CDADev[wDevID].sc.cdsc_absaddr.msf.second,
		     CDADev[wDevID].sc.cdsc_absaddr.msf.frame);
#elif __FreeBSD__
    	TRACE(cdaudio,"%02u-%02u:%02u:%02u \n",
		     CDADev[wDevID].sc.what.position.track_number,
		     CDADev[wDevID].sc.what.position.absaddr.msf.minute,
		     CDADev[wDevID].sc.what.position.absaddr.msf.second,
		     CDADev[wDevID].sc.what.position.absaddr.msf.frame);
#endif
			
	if (oldmode != CDADev[wDevID].mode && oldmode == MCI_MODE_OPEN) {
		if (!CDAUDIO_GetTracksInfo(wDevID)) {
		  WARN(cdaudio, "error updating TracksInfo !\n");
			return MCIERR_INTERNAL;
			}
		}
	return TRUE;
#else
	return FALSE;
#endif
}


/**************************************************************************
* 				CDAUDIO_CalcTime			[internal]
*/
static DWORD CDAUDIO_CalcTime(UINT16 wDevID, DWORD dwFormatType, DWORD dwFrame)
{
	DWORD	dwTime = 0;
#if defined(linux) || defined(__FreeBSD__)
	UINT16	wTrack;
	UINT16	wMinutes;
	UINT16	wSeconds;
	UINT16	wFrames;

    	TRACE(cdaudio,"(%04X, %08lX, %lu);\n", 
		wDevID, dwFormatType, dwFrame);

	switch (dwFormatType) {
		case MCI_FORMAT_MILLISECONDS:
			dwTime = dwFrame / CDFRAMES_PERSEC * 1000;
            		TRACE(cdaudio, "MILLISECONDS %lu\n", 
				dwTime);
			break;
		case MCI_FORMAT_MSF:
			wMinutes = dwFrame / CDFRAMES_PERMIN;
			wSeconds = (dwFrame - CDFRAMES_PERMIN * wMinutes) / CDFRAMES_PERSEC;
			wFrames = dwFrame - CDFRAMES_PERMIN * wMinutes - 
								CDFRAMES_PERSEC * wSeconds;
			dwTime = MCI_MAKE_MSF(wMinutes, wSeconds, wFrames);
            		TRACE(cdaudio,"MSF %02u:%02u:%02u -> dwTime=%lu\n",
								wMinutes, wSeconds, wFrames, dwTime);
			break;
		default:
			/* unknown format ! force TMSF ! ... */
			dwFormatType = MCI_FORMAT_TMSF;
		case MCI_FORMAT_TMSF:
			for (wTrack = 0; wTrack < CDADev[wDevID].nTracks; wTrack++) {
/*				dwTime += CDADev[wDevID].lpdwTrackLen[wTrack - 1];
				TRACE(cdaudio, "Adding trk#%u curpos=%u \n", dwTime);
				if (dwTime >= dwFrame) break; */
				if (CDADev[wDevID].lpdwTrackPos[wTrack - 1] >= dwFrame) break;
				}
			wMinutes = dwFrame / CDFRAMES_PERMIN;
			wSeconds = (dwFrame - CDFRAMES_PERMIN * wMinutes) / CDFRAMES_PERSEC;
			wFrames = dwFrame - CDFRAMES_PERMIN * wMinutes - 
								CDFRAMES_PERSEC * wSeconds;
			dwTime = MCI_MAKE_TMSF(wTrack, wMinutes, wSeconds, wFrames);
            		TRACE(cdaudio, "%02u-%02u:%02u:%02u\n",
					wTrack, wMinutes, wSeconds, wFrames);
			break;
		}
#endif
	return dwTime;
}


/**************************************************************************
* 				CDAUDIO_mciStatus		[internal]
*/
static DWORD CDAUDIO_mciStatus(UINT16 wDevID, DWORD dwFlags, LPMCI_STATUS_PARMS lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
		wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;
	if (CDADev[wDevID].unixdev == 0) return MMSYSERR_NOTENABLED;
	if (dwFlags & MCI_NOTIFY) {
        	TRACE(cdaudio, "MCI_NOTIFY_SUCCESSFUL %08lX !\n", 
			lpParms->dwCallback);
		mciDriverNotify((HWND16)LOWORD(lpParms->dwCallback), 
			CDADev[wDevID].wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
		}
	if (dwFlags & MCI_STATUS_ITEM) {
		switch(lpParms->dwItem) {
			case MCI_STATUS_CURRENT_TRACK:
				if (!CDAUDIO_GetCDStatus(wDevID)) return MCIERR_INTERNAL;
				lpParms->dwReturn = CDADev[wDevID].nCurTrack;
                		TRACE(cdaudio,"CURRENT_TRACK=%lu!\n", lpParms->dwReturn);
			 	return 0;
			case MCI_STATUS_LENGTH:
				if (CDADev[wDevID].nTracks == 0) {
					if (!CDAUDIO_GetTracksInfo(wDevID)) {
                        			WARN(cdaudio, "error reading TracksInfo !\n");
						return MCIERR_INTERNAL;
						}
					}
				if (dwFlags & MCI_TRACK) {
					TRACE(cdaudio,"MCI_TRACK #%lu LENGTH=??? !\n",
							lpParms->dwTrack);
					if (lpParms->dwTrack > CDADev[wDevID].nTracks)
						return MCIERR_OUTOFRANGE;
					lpParms->dwReturn = CDADev[wDevID].lpdwTrackLen[lpParms->dwTrack];
					}
				else
					lpParms->dwReturn = CDADev[wDevID].dwTotalLen;
				lpParms->dwReturn = CDAUDIO_CalcTime(wDevID, 
					CDADev[wDevID].dwTimeFormat, lpParms->dwReturn);
                		TRACE(cdaudio,"LENGTH=%lu !\n", lpParms->dwReturn);
			 	return 0;
			case MCI_STATUS_MODE:
				if (!CDAUDIO_GetCDStatus(wDevID)) return MCIERR_INTERNAL;
				lpParms->dwReturn = CDADev[wDevID].mode;
                		TRACE(cdaudio,"MCI_STATUS_MODE=%08lX !\n",
												lpParms->dwReturn);
			 	return 0;
			case MCI_STATUS_MEDIA_PRESENT:
				lpParms->dwReturn = (CDADev[wDevID].nTracks > 0) ? TRUE : FALSE;
				if (lpParms->dwReturn == FALSE)
                    			TRACE(cdaudio,"MEDIA_NOT_PRESENT !\n");
				else
                    			TRACE(cdaudio,"MCI_STATUS_MEDIA_PRESENT !\n");
			 	return 0;
			case MCI_STATUS_NUMBER_OF_TRACKS:
				lpParms->dwReturn = CDAUDIO_GetNumberOfTracks(wDevID);
                		TRACE(cdaudio,"MCI_STATUS_NUMBER_OF_TRACKS = %lu !\n",
													lpParms->dwReturn);
				if (lpParms->dwReturn == (WORD)-1) return MCIERR_INTERNAL;
			 	return 0;
			case MCI_STATUS_POSITION:
				if (!CDAUDIO_GetCDStatus(wDevID)) return MCIERR_INTERNAL;
				lpParms->dwReturn = CDADev[wDevID].dwCurFrame;
				if (dwFlags & MCI_STATUS_START) {
					lpParms->dwReturn = CDADev[wDevID].dwFirstOffset;
                    			TRACE(cdaudio,"get MCI_STATUS_START !\n");
					}
				if (dwFlags & MCI_TRACK) {
					if (lpParms->dwTrack > CDADev[wDevID].nTracks)
						return MCIERR_OUTOFRANGE;
					lpParms->dwReturn = CDADev[wDevID].lpdwTrackPos[lpParms->dwTrack - 1];
                    			TRACE(cdaudio,"get MCI_TRACK #%lu !\n", lpParms->dwTrack);
					}
				lpParms->dwReturn = CDAUDIO_CalcTime(wDevID,
					CDADev[wDevID].dwTimeFormat, lpParms->dwReturn);
                			TRACE(cdaudio,"MCI_STATUS_POSITION=%08lX !\n",
														lpParms->dwReturn);
			 	return 0;
			case MCI_STATUS_READY:
                		TRACE(cdaudio,"MCI_STATUS_READY !\n");
				lpParms->dwReturn = TRUE;
			 	return 0;
			case MCI_STATUS_TIME_FORMAT:
                		TRACE(cdaudio,"MCI_STATUS_TIME_FORMAT !\n");
				lpParms->dwReturn = CDADev[wDevID].dwTimeFormat;
			 	return 0;
			default:
                		WARN(cdaudio, "unknown command %08lX !\n", lpParms->dwItem);
				return MCIERR_UNRECOGNIZED_COMMAND;
			}
		}
	WARN(cdaudio, "not MCI_STATUS_ITEM !\n");
 	return 0;
#else
	return MMSYSERR_NOTENABLED;
#endif
}


/**************************************************************************
* 				CDAUDIO_mciPlay			[internal]
*/
static DWORD CDAUDIO_mciPlay(UINT16 wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
	int 	start, end;
#ifdef linux
	struct 	cdrom_msf	msf;
#elif __FreeBSD__
	struct	ioc_play_msf	msf;
#endif

    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
		wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;
	if (CDADev[wDevID].unixdev == 0) return MMSYSERR_NOTENABLED;
	start = 0; 		end = CDADev[wDevID].dwTotalLen;
	CDADev[wDevID].nCurTrack = 1;
	if (dwFlags & MCI_FROM) {
		start = CDAUDIO_CalcFrame(wDevID, 
			CDADev[wDevID].dwTimeFormat, lpParms->dwFrom); 
        TRACE(cdaudio,"MCI_FROM=%08lX -> %u \n",
				lpParms->dwFrom, start);
		}
	if (dwFlags & MCI_TO) {
		end = CDAUDIO_CalcFrame(wDevID, 
			CDADev[wDevID].dwTimeFormat, lpParms->dwTo);
        	TRACE(cdaudio, "MCI_TO=%08lX -> %u \n",
			lpParms->dwTo, end);
		}
	start += CDADev[wDevID].dwFirstOffset;	
	end += CDADev[wDevID].dwFirstOffset;
#ifdef linux
	msf.cdmsf_min0 = start / CDFRAMES_PERMIN;
	msf.cdmsf_sec0 = (start % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
	msf.cdmsf_frame0 = start % CDFRAMES_PERSEC;
	msf.cdmsf_min1 = end / CDFRAMES_PERMIN;
	msf.cdmsf_sec1 = (end % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
	msf.cdmsf_frame1 = end % CDFRAMES_PERSEC;
#elif __FreeBSD__
        msf.start_m     = start / CDFRAMES_PERMIN;
        msf.start_s     = (start % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
        msf.start_f     = start % CDFRAMES_PERSEC;
        msf.end_m       = end / CDFRAMES_PERMIN;
        msf.end_s       = (end % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
        msf.end_f       = end % CDFRAMES_PERSEC;
#endif
	if (ioctl(CDADev[wDevID].unixdev,
#ifdef linux
		  CDROMSTART
#elif __FreeBSD__
		  CDIOCSTART
#endif
		  )) {
        	WARN(cdaudio, "motor doesn't start !\n");
		return MCIERR_HARDWARE;
		}
	if (ioctl(CDADev[wDevID].unixdev, 
#ifdef linux
		  CDROMPLAYMSF
#elif __FreeBSD__
		  CDIOCPLAYMSF
#endif
		  , &msf)) {
        	WARN(cdaudio, "device doesn't play !\n");
		return MCIERR_HARDWARE;
		}
#ifdef linux
    	TRACE(cdaudio,"msf = %d:%d:%d %d:%d:%d\n",
		msf.cdmsf_min0, msf.cdmsf_sec0, msf.cdmsf_frame0,
		msf.cdmsf_min1, msf.cdmsf_sec1, msf.cdmsf_frame1);
#elif __FreeBSD__
    	TRACE(cdaudio,"msf = %d:%d:%d %d:%d:%d\n",
		msf.start_m, msf.start_s, msf.start_f,
		msf.end_m,   msf.end_s,   msf.end_f);
#endif
	CDADev[wDevID].mode = MCI_MODE_PLAY;
	if (dwFlags & MCI_NOTIFY) {
        	TRACE(cdaudio, "MCI_NOTIFY_SUCCESSFUL %08lX !\n", 
			lpParms->dwCallback);
/*
		mciDriverNotify((HWND16)LOWORD(lpParms->dwCallback), 
			CDADev[wDevID].wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
*/
		}
	return 0;
#else
	return MCIERR_HARDWARE;
#endif
}

/**************************************************************************
* 				CDAUDIO_mciStop			[internal]
*/
static DWORD CDAUDIO_mciStop(UINT16 wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
		wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;
	if (ioctl(CDADev[wDevID].unixdev,
#ifdef linux
		  CDROMSTOP
#elif __FreeBSD__
		  CDIOCSTOP
#endif
		  )) return MCIERR_HARDWARE;
	CDADev[wDevID].mode = MCI_MODE_STOP;
	if (dwFlags & MCI_NOTIFY) {
        	TRACE(cdaudio, "MCI_NOTIFY_SUCCESSFUL %08lX !\n", 
			lpParms->dwCallback);
		mciDriverNotify((HWND16)LOWORD(lpParms->dwCallback), 
			CDADev[wDevID].wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
		}
 	return 0;
#else
	return MCIERR_HARDWARE;
#endif
}

/**************************************************************************
* 				CDAUDIO_mciPause		[internal]
*/
static DWORD CDAUDIO_mciPause(UINT16 wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
		wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;
	if (ioctl(CDADev[wDevID].unixdev,
#ifdef linux
		  CDROMPAUSE
#elif __FreeBSD__
		  CDIOCPAUSE
#endif
		  )) return MCIERR_HARDWARE;
	CDADev[wDevID].mode = MCI_MODE_PAUSE;
	if (dwFlags & MCI_NOTIFY) {
        TRACE(cdaudio, "MCI_NOTIFY_SUCCESSFUL %08lX !\n", 
		lpParms->dwCallback);
		mciDriverNotify((HWND16)LOWORD(lpParms->dwCallback), 
			CDADev[wDevID].wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
		}
	return 0;
#else
	return MCIERR_HARDWARE;
#endif
}

/**************************************************************************
* 				CDAUDIO_mciResume		[internal]
*/
static DWORD CDAUDIO_mciResume(UINT16 wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
		wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;
	if (ioctl(CDADev[wDevID].unixdev, 
#ifdef linux
		  CDROMRESUME
#elif __FreeBSD__
		  CDIOCRESUME
#endif
		  )) return MCIERR_HARDWARE;
	CDADev[wDevID].mode = MCI_MODE_STOP;
	if (dwFlags & MCI_NOTIFY) {
        	TRACE(cdaudio, "MCI_NOTIFY_SUCCESSFUL %08lX !\n", 
			lpParms->dwCallback);
		mciDriverNotify((HWND16)LOWORD(lpParms->dwCallback), 
			CDADev[wDevID].wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
		}
	return 0;
#else
	return MCIERR_HARDWARE;
#endif
}

/**************************************************************************
* 				CDAUDIO_mciSeek			[internal]
*/
static DWORD CDAUDIO_mciSeek(UINT16 wDevID, DWORD dwFlags, LPMCI_SEEK_PARMS lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
	DWORD	dwRet;
	MCI_PLAY_PARMS PlayParms;
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", 
		wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;
	if (ioctl(CDADev[wDevID].unixdev,
#ifdef linux
		  CDROMRESUME
#elif __FreeBSD__
		  CDIOCRESUME
#endif
		  )) {
		perror("ioctl CDROMRESUME");
		return MCIERR_HARDWARE;
	}
	CDADev[wDevID].mode = MCI_MODE_SEEK;
	switch(dwFlags) {
		case MCI_SEEK_TO_START:
			PlayParms.dwFrom = 0;
			break;
		case MCI_SEEK_TO_END:
			PlayParms.dwFrom = CDADev[wDevID].dwTotalLen;
			break;
		case MCI_TO:
			PlayParms.dwFrom = lpParms->dwTo;
			break;
		}
	dwRet = CDAUDIO_mciPlay(wDevID, MCI_WAIT | MCI_FROM, &PlayParms);
	if (dwRet != 0) return dwRet;
	dwRet = CDAUDIO_mciStop(wDevID, MCI_WAIT, (LPMCI_GENERIC_PARMS)&PlayParms);
	if (dwFlags & MCI_NOTIFY) {
        	TRACE(cdaudio, "MCI_NOTIFY_SUCCESSFUL %08lX !\n", 
			lpParms->dwCallback);
		mciDriverNotify((HWND16)LOWORD(lpParms->dwCallback), 
			CDADev[wDevID].wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
		}
	return dwRet;
#else
	return MCIERR_HARDWARE;
#endif
}


/**************************************************************************
* 				CDAUDIO_mciSet			[internal]
*/
static DWORD CDAUDIO_mciSet(UINT16 wDevID, DWORD dwFlags, LPMCI_SET_PARMS lpParms)
{
#if defined(linux) || defined(__FreeBSD__)
    	TRACE(cdaudio,"(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);
	if (lpParms == NULL) return MCIERR_INTERNAL;
/*
	TRACE(cdaudio,"dwTimeFormat=%08lX\n", lpParms->dwTimeFormat);
	TRACE(cdaudio,"dwAudio=%08lX\n", lpParms->dwAudio);
*/
	if (dwFlags & MCI_SET_TIME_FORMAT) {
		switch (lpParms->dwTimeFormat) {
			case MCI_FORMAT_MILLISECONDS:
                		TRACE(cdaudio, "MCI_FORMAT_MILLISECONDS !\n");
				break;
			case MCI_FORMAT_MSF:
                		TRACE(cdaudio,"MCI_FORMAT_MSF !\n");
				break;
			case MCI_FORMAT_TMSF:
                		TRACE(cdaudio,"MCI_FORMAT_TMSF !\n");
				break;
			default:
                		WARN(cdaudio, "bad time format !\n");
				return MCIERR_BAD_TIME_FORMAT;
			}
		CDADev[wDevID].dwTimeFormat = lpParms->dwTimeFormat;
		}
	if (dwFlags & MCI_SET_DOOR_OPEN) {
        	TRACE(cdaudio, "MCI_SET_DOOR_OPEN !\n");
#ifdef __FreeBSD__
		if (ioctl(CDADev[wDevID].unixdev, CDIOCALLOW)) return MCIERR_HARDWARE;
		if (ioctl(CDADev[wDevID].unixdev, CDIOCEJECT)) return MCIERR_HARDWARE;
		if (ioctl(CDADev[wDevID].unixdev, CDIOCPREVENT)) return MCIERR_HARDWARE;
#elif linux
		if (ioctl(CDADev[wDevID].unixdev, CDROMEJECT)) return MCIERR_HARDWARE;
#endif
		CDADev[wDevID].nTracks = 0;
		}
	if (dwFlags & MCI_SET_DOOR_CLOSED) {
        	TRACE(cdaudio, "MCI_SET_DOOR_CLOSED !\n");
#ifdef __FreeBSD__
                if (ioctl(CDADev[wDevID].unixdev, CDIOCALLOW)) return MCIERR_HARDWARE;
                if (ioctl(CDADev[wDevID].unixdev, CDIOCCLOSE)) return MCIERR_HARDWARE;
                if (ioctl(CDADev[wDevID].unixdev, CDIOCPREVENT)) return MCIERR_HARDWARE;
#elif linux
		if (ioctl(CDADev[wDevID].unixdev, CDROMEJECT)) return MCIERR_HARDWARE;
			  /* XXX should it be ",1" ??? */
#endif
		CDADev[wDevID].nTracks = 0;
		}
	if (dwFlags & MCI_SET_VIDEO) return MCIERR_UNSUPPORTED_FUNCTION;
	if (dwFlags & MCI_SET_ON) return MCIERR_UNSUPPORTED_FUNCTION;
	if (dwFlags & MCI_SET_OFF) return MCIERR_UNSUPPORTED_FUNCTION;
	if (dwFlags & MCI_NOTIFY) {
        	TRACE(cdaudio, "MCI_NOTIFY_SUCCESSFUL %08lX !\n", 
			lpParms->dwCallback);
		mciDriverNotify((HWND16)LOWORD(lpParms->dwCallback), 
			CDADev[wDevID].wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
		}
	return 0;
#else
	return MCIERR_HARDWARE;
#endif
}


/**************************************************************************
* 				CDAUDIO_DriverProc		[sample driver]
*/
LONG CDAUDIO_DriverProc(DWORD dwDevID, HDRVR16 hDriv, WORD wMsg, 
			DWORD dwParam1, DWORD dwParam2)
{
#if defined(linux) || defined(__FreeBSD__)
	switch(wMsg) {
		case DRV_LOAD:
			return 1;
		case DRV_FREE:
			return 1;
		case DRV_OPEN:
		case MCI_OPEN_DRIVER:
		case MCI_OPEN:
			return CDAUDIO_mciOpen(dwDevID, dwParam1, (LPMCI_OPEN_PARMS16)PTR_SEG_TO_LIN(dwParam2)); 
		case DRV_CLOSE:
		case MCI_CLOSE_DRIVER:
		case MCI_CLOSE:
			return CDAUDIO_mciClose(dwDevID, dwParam1, (LPMCI_GENERIC_PARMS)PTR_SEG_TO_LIN(dwParam2));
		case DRV_ENABLE:
			return 1;
		case DRV_DISABLE:
			return 1;
		case DRV_QUERYCONFIGURE:
			return 1;
		case DRV_CONFIGURE:
			MessageBox16(0, "Sample MultiMedia Linux Driver !", 
								"MMLinux Driver", MB_OK);
			return 1;
		case DRV_INSTALL:
			return DRVCNF_RESTART;
		case DRV_REMOVE:
			return DRVCNF_RESTART;
		case MCI_GETDEVCAPS:
			return CDAUDIO_mciGetDevCaps(dwDevID, dwParam1, 
				(LPMCI_GETDEVCAPS_PARMS)PTR_SEG_TO_LIN(dwParam2));
		case MCI_INFO:
			return CDAUDIO_mciInfo(dwDevID, dwParam1, 
				(LPMCI_INFO_PARMS16)PTR_SEG_TO_LIN(dwParam2));
		case MCI_STATUS:
			return CDAUDIO_mciStatus(dwDevID, dwParam1, 
				(LPMCI_STATUS_PARMS)PTR_SEG_TO_LIN(dwParam2));
		case MCI_SET:
			return CDAUDIO_mciSet(dwDevID, dwParam1, 
				(LPMCI_SET_PARMS)PTR_SEG_TO_LIN(dwParam2));
		case MCI_PLAY:
			return CDAUDIO_mciPlay(dwDevID, dwParam1, 
				(LPMCI_PLAY_PARMS)PTR_SEG_TO_LIN(dwParam2));
		case MCI_STOP:
			return CDAUDIO_mciStop(dwDevID, dwParam1, 
				(LPMCI_GENERIC_PARMS)PTR_SEG_TO_LIN(dwParam2));
		case MCI_PAUSE:
			return CDAUDIO_mciPause(dwDevID, dwParam1, 
				(LPMCI_GENERIC_PARMS)PTR_SEG_TO_LIN(dwParam2));
		case MCI_RESUME:
			return CDAUDIO_mciResume(dwDevID, dwParam1, 
				(LPMCI_GENERIC_PARMS)PTR_SEG_TO_LIN(dwParam2));
		case MCI_SEEK:
			return CDAUDIO_mciSeek(dwDevID, dwParam1, 
				(LPMCI_SEEK_PARMS)PTR_SEG_TO_LIN(dwParam2));
		case MCI_SET_DOOR_OPEN:
            		TRACE(cdaudio, "MCI_SET_DOOR_OPEN !\n");
#ifdef __FreeBSD__
			if (ioctl(CDADev[dwDevID].unixdev, CDIOCALLOW)) return MCIERR_HARDWARE;
			if (ioctl(CDADev[dwDevID].unixdev, CDIOCEJECT)) return MCIERR_HARDWARE;
			if (ioctl(CDADev[dwDevID].unixdev, CDIOCPREVENT)) return MCIERR_HARDWARE;
#elif linux
			if (ioctl(CDADev[dwDevID].unixdev, CDROMEJECT)) return MCIERR_HARDWARE;
#endif
			CDADev[dwDevID].nTracks = 0;
			return 0;
		case MCI_SET_DOOR_CLOSED:
            		TRACE(cdaudio,"MCI_SET_DOOR_CLOSED !\n");
#ifdef __FreeBSD__
			if (ioctl(CDADev[dwDevID].unixdev, CDIOCALLOW)) return MCIERR_HARDWARE;
			if (ioctl(CDADev[dwDevID].unixdev, CDIOCCLOSE)) return MCIERR_HARDWARE;
			if (ioctl(CDADev[dwDevID].unixdev, CDIOCPREVENT)) return MCIERR_HARDWARE;
#elif linux
			if (ioctl(CDADev[dwDevID].unixdev, CDROMEJECT, 1)) return MCIERR_HARDWARE;
#endif
			CDADev[dwDevID].nTracks = 0;
			return 0;
		default:
			return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
		}
#else
	return MCIERR_HARDWARE;
#endif
}


/*-----------------------------------------------------------------------*/