accelerants/intel_810/accelerant.cpp

17 AccelerantInfo gInfo;	// global data used by source files of accelerant
62 	gInfo.deviceFileDesc = fileDesc;
67 	status_t result = ioctl(gInfo.deviceFileDesc, INTEL_GET_SHARED_DATA,
72 	gInfo.sharedInfoArea = clone_area("i810 shared info",
73 		(void**)&(gInfo.sharedInfo), B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA,
75 	if (gInfo.sharedInfoArea < 0)
76 		return gInfo.sharedInfoArea; // sharedInfoArea has error code
78 	gInfo.regsArea = clone_area("i810 regs area", (void**)&(gInfo.regs),
79 		B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, gInfo.sharedInfo->regsArea);
80 	if (gInfo.regsArea < 0) {
81 		delete_area(gInfo.sharedInfoArea);
82 		return gInfo.regsArea; // regsArea has error code
94 	delete_area(gInfo.regsArea);
95 	gInfo.regs = 0;
97 	delete_area(gInfo.sharedInfoArea);
98 	gInfo.sharedInfo = 0;
110 	gInfo.bAccelerantIsClone = false;	// indicate this is primary accelerant
114 		SharedInfo& si = *gInfo.sharedInfo;
134 						gInfo.sharedInfo);
166 	ioctl(gInfo.deviceFileDesc, INTEL_DEVICE_NAME, data, B_OS_NAME_LENGTH);
181 	gInfo.deviceFileDesc = open(path, B_READ_WRITE);	// open the device
182 	if (gInfo.deviceFileDesc < 0)
185 	gInfo.bAccelerantIsClone = true;
187 	status_t result = InitCommon(gInfo.deviceFileDesc);
189 		close(gInfo.deviceFileDesc);
193 	result = gInfo.modeListArea = clone_area("i810 cloned display_modes",
194 		(void**) &gInfo.modeList, B_ANY_ADDRESS, B_READ_AREA,
195 		gInfo.sharedInfo->modeArea);
198 		close(gInfo.deviceFileDesc);
210 	delete_area(gInfo.modeListArea);
211 	gInfo.modeList = NULL;
215 	if (gInfo.bAccelerantIsClone)
216 		close(gInfo.deviceFileDesc);
225 	SharedInfo& si = *gInfo.sharedInfo;