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Diffstat (limited to 'media/mtp/MtpClient.cpp')
-rw-r--r-- | media/mtp/MtpClient.cpp | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/media/mtp/MtpClient.cpp b/media/mtp/MtpClient.cpp deleted file mode 100644 index c830540..0000000 --- a/media/mtp/MtpClient.cpp +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define LOG_TAG "MtpClient" - -#include "MtpDebug.h" -#include "MtpClient.h" -#include "MtpDevice.h" - -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/ioctl.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> - -#include <usbhost/usbhost.h> - -struct usb_device; - -namespace android { - -static bool isMtpDevice(uint16_t vendor, uint16_t product) { - // Sandisk Sansa Fuze - if (vendor == 0x0781 && product == 0x74c2) - return true; - // Samsung YP-Z5 - if (vendor == 0x04e8 && product == 0x503c) - return true; - return false; -} - -class MtpClientThread : public Thread { -private: - MtpClient* mClient; - -public: - MtpClientThread(MtpClient* client) - : mClient(client) - { - } - - virtual bool threadLoop() { - return mClient->threadLoop(); - } -}; - - -MtpClient::MtpClient() - : mThread(NULL), - mUsbHostContext(NULL), - mDone(false) -{ -} - -MtpClient::~MtpClient() { - usb_host_cleanup(mUsbHostContext); -} - -bool MtpClient::start() { - Mutex::Autolock autoLock(mMutex); - - if (mThread) - return true; - - mUsbHostContext = usb_host_init(); - if (!mUsbHostContext) - return false; - - mThread = new MtpClientThread(this); - mThread->run("MtpClientThread"); - // wait for the thread to do initial device discovery before returning - mThreadStartCondition.wait(mMutex); - - return true; -} - -void MtpClient::stop() { - mDone = true; -} - -MtpDevice* MtpClient::getDevice(int id) { - for (int i = 0; i < mDeviceList.size(); i++) { - MtpDevice* device = mDeviceList[i]; - if (device->getID() == id) - return device; - } - return NULL; -} - -bool MtpClient::usbDeviceAdded(const char *devname) { - struct usb_descriptor_header* desc; - struct usb_descriptor_iter iter; - - struct usb_device *device = usb_device_open(devname); - if (!device) { - LOGE("usb_device_open failed\n"); - return mDone; - } - - usb_descriptor_iter_init(device, &iter); - - while ((desc = usb_descriptor_iter_next(&iter)) != NULL) { - if (desc->bDescriptorType == USB_DT_INTERFACE) { - struct usb_interface_descriptor *interface = (struct usb_interface_descriptor *)desc; - - if (interface->bInterfaceClass == USB_CLASS_STILL_IMAGE && - interface->bInterfaceSubClass == 1 && // Still Image Capture - interface->bInterfaceProtocol == 1) // Picture Transfer Protocol (PIMA 15470) - { - LOGD("Found camera: \"%s\" \"%s\"\n", usb_device_get_manufacturer_name(device), - usb_device_get_product_name(device)); - } else if (interface->bInterfaceClass == 0xFF && - interface->bInterfaceSubClass == 0xFF && - interface->bInterfaceProtocol == 0) { - char* interfaceName = usb_device_get_string(device, interface->iInterface); - if (!interfaceName || strcmp(interfaceName, "MTP")) - continue; - // Looks like an android style MTP device - LOGD("Found MTP device: \"%s\" \"%s\"\n", usb_device_get_manufacturer_name(device), - usb_device_get_product_name(device)); - } else { - // look for special cased devices based on vendor/product ID - // we are doing this mainly for testing purposes - uint16_t vendor = usb_device_get_vendor_id(device); - uint16_t product = usb_device_get_product_id(device); - if (!isMtpDevice(vendor, product)) { - // not an MTP or PTP device - continue; - } - // request MTP OS string and descriptor - // some music players need to see this before entering MTP mode. - char buffer[256]; - memset(buffer, 0, sizeof(buffer)); - int ret = usb_device_send_control(device, - USB_DIR_IN|USB_RECIP_DEVICE|USB_TYPE_STANDARD, - USB_REQ_GET_DESCRIPTOR, (USB_DT_STRING << 8) | 0xEE, - 0, sizeof(buffer), buffer); - printf("usb_device_send_control returned %d errno: %d\n", ret, errno); - if (ret > 0) { - printf("got MTP string %s\n", buffer); - ret = usb_device_send_control(device, - USB_DIR_IN|USB_RECIP_DEVICE|USB_TYPE_VENDOR, 1, - 0, 4, sizeof(buffer), buffer); - printf("OS descriptor got %d\n", ret); - } else { - printf("no MTP string\n"); - } - } - - // if we got here, then we have a likely MTP or PTP device - - // interface should be followed by three endpoints - struct usb_endpoint_descriptor *ep; - struct usb_endpoint_descriptor *ep_in_desc = NULL; - struct usb_endpoint_descriptor *ep_out_desc = NULL; - struct usb_endpoint_descriptor *ep_intr_desc = NULL; - for (int i = 0; i < 3; i++) { - ep = (struct usb_endpoint_descriptor *)usb_descriptor_iter_next(&iter); - if (!ep || ep->bDescriptorType != USB_DT_ENDPOINT) { - LOGE("endpoints not found\n"); - return mDone; - } - if (ep->bmAttributes == USB_ENDPOINT_XFER_BULK) { - if (ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) - ep_in_desc = ep; - else - ep_out_desc = ep; - } else if (ep->bmAttributes == USB_ENDPOINT_XFER_INT && - ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) { - ep_intr_desc = ep; - } - } - if (!ep_in_desc || !ep_out_desc || !ep_intr_desc) { - LOGE("endpoints not found\n"); - return mDone; - } - - if (usb_device_claim_interface(device, interface->bInterfaceNumber)) { - LOGE("usb_device_claim_interface failed errno: %d\n", errno); - return mDone; - } - - MtpDevice* mtpDevice = new MtpDevice(device, interface->bInterfaceNumber, - ep_in_desc, ep_out_desc, ep_intr_desc); - mDeviceList.add(mtpDevice); - mtpDevice->initialize(); - deviceAdded(mtpDevice); - return mDone; - } - } - - usb_device_close(device); - return mDone; -} - -bool MtpClient::usbDeviceRemoved(const char *devname) { - for (int i = 0; i < mDeviceList.size(); i++) { - MtpDevice* device = mDeviceList[i]; - if (!strcmp(devname, device->getDeviceName())) { - deviceRemoved(device); - mDeviceList.removeAt(i); - delete device; - LOGD("Camera removed!\n"); - break; - } - } - return mDone; -} - -bool MtpClient::usbDiscoveryDone() { - Mutex::Autolock autoLock(mMutex); - mThreadStartCondition.signal(); - return mDone; -} - -bool MtpClient::threadLoop() { - usb_host_run(mUsbHostContext, usb_device_added, usb_device_removed, usb_discovery_done, this); - return false; -} - -int MtpClient::usb_device_added(const char *devname, void* client_data) { - LOGD("usb_device_added %s\n", devname); - return ((MtpClient *)client_data)->usbDeviceAdded(devname); -} - -int MtpClient::usb_device_removed(const char *devname, void* client_data) { - LOGD("usb_device_removed %s\n", devname); - return ((MtpClient *)client_data)->usbDeviceRemoved(devname); -} - -int MtpClient::usb_discovery_done(void* client_data) { - LOGD("usb_discovery_done\n"); - return ((MtpClient *)client_data)->usbDiscoveryDone(); -} - -} // namespace android |