disk/mmc/mmc_disk.cpp

129 	mmc_disk_driver_info* info = (mmc_disk_driver_info*)data;
137 	error = info->mmc->do_io(info->parent, info->parentCookie, info->rca,
138 		command, operation, (info->flags & kIoCommandOffsetAsSectors) != 0);
141 		info->scheduler->OperationCompleted(operation, error, 0);
145 	info->scheduler->OperationCompleted(operation, B_OK, operation->Length());
151 mmc_block_get_geometry(mmc_disk_driver_info* info, device_geometry* geometry)
155 	status_t error = info->mmc->execute_command(info->parent,
156 		info->parentCookie, 0, SD_SEND_CSD, info->rca << 16, (uint32_t*)&csd);
183 	info->mmc->execute_command(info->parent, info->parentCookie, info->rca,
184 		SD_APP_CMD, info->rca << 16, &cardStatus);
185 	info->mmc->execute_command(info->parent, info->parentCookie, info->rca,
189 	info->mmc->set_bus_width(info->parent, info->parentCookie, 4);
199 	mmc_disk_driver_info* info = (mmc_disk_driver_info*)malloc(
202 	if (info == NULL)
205 	memset(info, 0, sizeof(*info));
208 	info->node = node;
209 	info->parent = sDeviceManager->get_parent_node(info->node);
210 	sDeviceManager->get_driver(info->parent, (driver_module_info **)&info->mmc,
216 	device_node* busNode = sDeviceManager->get_parent_node(info->parent);
218 	sDeviceManager->get_driver(busNode, &unused, &info->parentCookie);
221 	TRACE("MMC bus handle: %p %s\n", info->mmc, info->mmc->info.info.name);
223 	if (sDeviceManager->get_attr_uint16(node, kMmcRcaAttribute, &info->rca,
226 		free(info);
231 	if (sDeviceManager->get_attr_uint8(info->parent, kMmcTypeAttribute,
234 		free(info);
241 		info->flags = 0;
243 		info->flags = kIoCommandOffsetAsSectors;
250 	info->dmaResource = new(std::nothrow) DMAResource;
251 	if (info->dmaResource == NULL) {
253 		free(info);
257 	error = info->dmaResource->Init(info->node, kBlockSize,
261 		delete info->dmaResource;
262 		free(info);
266 	info->scheduler = new(std::nothrow) IOSchedulerSimple(info->dmaResource);
267 	if (info->scheduler == NULL) {
269 		delete info->dmaResource;
270 		free(info);
274 	error = info->scheduler->Init("mmc storage");
277 		delete info->scheduler;
278 		delete info->dmaResource;
279 		free(info);
282 	info->scheduler->SetCallback(&mmc_disk_execute_iorequest, info);
284 	memset(&info->geometry, 0, sizeof(info->geometry));
286 	TRACE("MMC card device initialized for RCA %x\n", info->rca);
287 	*cookie = info;
296 	mmc_disk_driver_info* info = (mmc_disk_driver_info*)_cookie;
297 	delete info->scheduler;
298 	delete info->dmaResource;
299 	sDeviceManager->put_node(info->parent);
300 	free(info);
308 	mmc_disk_driver_info* info = (mmc_disk_driver_info*)_cookie;
318 	status = sDeviceManager->publish_device(info->node, name,
334 	mmc_disk_driver_info* info = (mmc_disk_driver_info*)_info;
335 	*_cookie = info;
348 	//mmc_disk_driver_info* info = (mmc_disk_driver_info*)_cookie;
358 	mmc_disk_driver_info* info = (mmc_disk_driver_info*)_info;
366 	handle->info = info;
368 	if (handle->info->geometry.bytes_per_sector == 0) {
369 		status_t error = mmc_block_get_geometry(handle->info,
370 			&handle->info->geometry);
411 	if (position >= handle->info->DeviceSize())
413 	if ((position + (off_t)length) > handle->info->DeviceSize())
414 		length = (handle->info->DeviceSize() - position);
421 	status = handle->info->scheduler->ScheduleRequest(&request);
439 	if (position >= handle->info->DeviceSize())
441 	if ((position + (off_t)length) > handle->info->DeviceSize())
442 		length = (handle->info->DeviceSize() - position);
449 	status = handle->info->scheduler->ScheduleRequest(&request);
465 	if ((request->Offset() + (off_t)request->Length()) > handle->info->DeviceSize())
468 	return handle->info->scheduler->ScheduleRequest(request);
473 mmc_block_trim(mmc_disk_driver_info* info, fs_trim_data* trimData)
486 	const off_t deviceSize = info->DeviceSize(); // in bytes
528 		if ((info->flags & kIoCommandOffsetAsSectors) != 0) {
541 		result = info->mmc->execute_command(info->parent, info->parentCookie,
542 			info->rca, SD_ERASE_WR_BLK_START, offset, &response);
545 		result = info->mmc->execute_command(info->parent, info->parentCookie,
546 			info->rca, SD_ERASE_WR_BLK_END, offset + length, &response);
549 		result = info->mmc->execute_command(info->parent, info->parentCookie,
550 			info->rca, SD_ERASE, kEraseModeDiscard, &response);
554 		trimmedSize += (info->flags & kIoCommandOffsetAsSectors) != 0
568 	mmc_disk_driver_info* info = handle->info;
584 			uint64_t size = info->DeviceSize();
596 			return user_memcpy(buffer, &info->geometry, length);
626 			return mmc_block_trim(info, (fs_trim_data*)buffer);
630 			return synchronize_cache(info);*/