usbhost.h revision 50372073d2919480fb32d56cb3b91663b9fca0f1
130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* 230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * Copyright (C) 2010 The Android Open Source Project 330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * 430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * Licensed under the Apache License, Version 2.0 (the "License"); 530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * you may not use this file except in compliance with the License. 630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * You may obtain a copy of the License at 730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * 830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * http://www.apache.org/licenses/LICENSE-2.0 930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * 1030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * Unless required by applicable law or agreed to in writing, software 1130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * distributed under the License is distributed on an "AS IS" BASIS, 1230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * See the License for the specific language governing permissions and 1430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * limitations under the License. 1530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 1630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 1730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood#ifndef __USB_HOST_H 1830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood#define __USB_HOST_H 1930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 2030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood#ifdef __cplusplus 2130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodextern "C" { 2230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood#endif 2330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 2430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood#include <stdint.h> 2530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 263af05b09eb116e48997a2d4611b0a1e033737d2eErik Gilling#include <linux/version.h> 273af05b09eb116e48997a2d4611b0a1e033737d2eErik Gilling#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 20) 283af05b09eb116e48997a2d4611b0a1e033737d2eErik Gilling#include <linux/usb/ch9.h> 293af05b09eb116e48997a2d4611b0a1e033737d2eErik Gilling#else 303af05b09eb116e48997a2d4611b0a1e033737d2eErik Gilling#include <linux/usb_ch9.h> 313af05b09eb116e48997a2d4611b0a1e033737d2eErik Gilling#endif 323af05b09eb116e48997a2d4611b0a1e033737d2eErik Gilling 337a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwoodstruct usb_host_context; 3430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodstruct usb_endpoint_descriptor; 3530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 3630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodstruct usb_descriptor_iter { 3730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood unsigned char* config; 3830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood unsigned char* config_end; 3930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood unsigned char* curr_desc; 4030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood}; 4130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 427a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood/* Callback for notification when new USB devices are attached. 437a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood * Return true to exit from usb_host_run. 447a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood */ 457a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwoodtypedef int (* usb_device_added_cb)(const char *dev_name, void *client_data); 467a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood 477a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood/* Callback for notification when USB devices are removed. 487a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood * Return true to exit from usb_host_run. 497a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood */ 507a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwoodtypedef int (* usb_device_removed_cb)(const char *dev_name, void *client_data); 517a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood 52a805519ceedc53afa5453a6d8a7d80038d885d9fMike Lockwood/* Callback indicating that initial device discovery is done. 53a805519ceedc53afa5453a6d8a7d80038d885d9fMike Lockwood * Return true to exit from usb_host_run. 54a805519ceedc53afa5453a6d8a7d80038d885d9fMike Lockwood */ 55a805519ceedc53afa5453a6d8a7d80038d885d9fMike Lockwoodtypedef int (* usb_discovery_done_cb)(void *client_data); 56a805519ceedc53afa5453a6d8a7d80038d885d9fMike Lockwood 577a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood/* Call this to initialize the USB host library. */ 587a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwoodstruct usb_host_context *usb_host_init(void); 5930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 607a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood/* Call this to cleanup the USB host library. */ 617a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwoodvoid usb_host_cleanup(struct usb_host_context *context); 6230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 637a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood/* Call this to monitor the USB bus for new and removed devices. 647a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood * This is intended to be called from a dedicated thread, 657a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood * as it will not return until one of the callbacks returns true. 6630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * added_cb will be called immediately for each existing USB device, 6730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * and subsequently each time a new device is added. 6830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * removed_cb is called when USB devices are removed from the bus. 69a805519ceedc53afa5453a6d8a7d80038d885d9fMike Lockwood * discovery_done_cb is called after the initial discovery of already 70a805519ceedc53afa5453a6d8a7d80038d885d9fMike Lockwood * connected devices is complete. 7130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 727a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwoodvoid usb_host_run(struct usb_host_context *context, 737a96ba436c9a2bacc64e712bdb53bd7accc5c3a9Mike Lockwood usb_device_added_cb added_cb, 746ac3aa157493ef24bc837b679dd8292fad8961e0Mike Lockwood usb_device_removed_cb removed_cb, 75a805519ceedc53afa5453a6d8a7d80038d885d9fMike Lockwood usb_discovery_done_cb discovery_done_cb, 766ac3aa157493ef24bc837b679dd8292fad8961e0Mike Lockwood void *client_data); 7730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 7830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Creates a usb_device object for a USB device */ 7930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodstruct usb_device *usb_device_open(const char *dev_name); 8030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 8130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Releases all resources associated with the USB device */ 8230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodvoid usb_device_close(struct usb_device *device); 8330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 84cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwood/* Creates a usb_device object for already open USB device. 85cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwood * This is intended to facilitate sharing USB devices across address spaces. 86cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwood */ 87cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwoodstruct usb_device *usb_device_new(const char *dev_name, int fd); 88cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwood 89cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwood/* Returns the file descriptor for the usb_device. Used in conjunction with 90cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwood * usb_device_new() for sharing USB devices across address spaces. 91cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwood */ 92cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwoodint usb_device_get_fd(struct usb_device *device); 93cd185f23cc6f062b252d1d19bca55e721290ee62Mike Lockwood 9430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns the name for the USB device, which is the same as 9530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * the dev_name passed to usb_device_open() 9630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 9730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodconst char* usb_device_get_name(struct usb_device *device); 9830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 99203f102028c4df33c191d8cd610775eba8d5366dMike Lockwood/* Returns a unique ID for the device. Currently this is generated from the 100203f102028c4df33c191d8cd610775eba8d5366dMike Lockwood * dev_name path. 101203f102028c4df33c191d8cd610775eba8d5366dMike Lockwood */ 102203f102028c4df33c191d8cd610775eba8d5366dMike Lockwoodint usb_device_get_unique_id(struct usb_device *device); 103203f102028c4df33c191d8cd610775eba8d5366dMike Lockwood 10407eb4af174f31c449a86dd459e2c81702f74acf1Mike Lockwoodint usb_device_get_unique_id_from_name(const char* name); 10507eb4af174f31c449a86dd459e2c81702f74acf1Mike Lockwood 10630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns the USB vendor ID from the device descriptor for the USB device */ 10730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwooduint16_t usb_device_get_vendor_id(struct usb_device *device); 10830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 10930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns the USB product ID from the device descriptor for the USB device */ 11030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwooduint16_t usb_device_get_product_id(struct usb_device *device); 11130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 11250372073d2919480fb32d56cb3b91663b9fca0f1Mike Lockwoodconst struct usb_device_descriptor* usb_device_get_device_descriptor(struct usb_device *device); 11350372073d2919480fb32d56cb3b91663b9fca0f1Mike Lockwood 1141b7d991b433cf6d6fae4f40cb37f9b6c6043cfbcMike Lockwood/* Sends a control message to the specified device on endpoint zero */ 1151b7d991b433cf6d6fae4f40cb37f9b6c6043cfbcMike Lockwoodint usb_device_send_control(struct usb_device *device, 1161b7d991b433cf6d6fae4f40cb37f9b6c6043cfbcMike Lockwood int requestType, 1171b7d991b433cf6d6fae4f40cb37f9b6c6043cfbcMike Lockwood int request, 1181b7d991b433cf6d6fae4f40cb37f9b6c6043cfbcMike Lockwood int value, 1191b7d991b433cf6d6fae4f40cb37f9b6c6043cfbcMike Lockwood int index, 1201b7d991b433cf6d6fae4f40cb37f9b6c6043cfbcMike Lockwood int length, 1211b7d991b433cf6d6fae4f40cb37f9b6c6043cfbcMike Lockwood void* buffer); 1221b7d991b433cf6d6fae4f40cb37f9b6c6043cfbcMike Lockwood 12330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns a USB descriptor string for the given string ID. 12430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * Used to implement usb_device_get_manufacturer_name, 12530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * usb_device_get_product_name and usb_device_get_serial. 12630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * Call free() to free the result when you are done with it. 12730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 12830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodchar* usb_device_get_string(struct usb_device *device, int id); 12930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 13030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns the manufacturer name for the USB device. 13130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * Call free() to free the result when you are done with it. 13230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 13330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodchar* usb_device_get_manufacturer_name(struct usb_device *device); 13430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 13530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns the product name for the USB device. 13630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * Call free() to free the result when you are done with it. 13730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 13830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodchar* usb_device_get_product_name(struct usb_device *device); 13930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 14030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns the USB serial number for the USB device. 14130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * Call free() to free the result when you are done with it. 14230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 14330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodchar* usb_device_get_serial(struct usb_device *device); 14430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 14530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns true if we have write access to the USB device, 14630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * and false if we only have access to the USB device configuration. 14730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 14830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodint usb_device_is_writeable(struct usb_device *device); 14930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 15030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Initializes a usb_descriptor_iter, which can be used to iterate through all 15130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * the USB descriptors for a USB device. 15230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 15330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodvoid usb_descriptor_iter_init(struct usb_device *device, struct usb_descriptor_iter *iter); 15430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 15530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns the next USB descriptor for a device, or NULL if we have reached the 15630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * end of the list. 15730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 15830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodstruct usb_descriptor_header *usb_descriptor_iter_next(struct usb_descriptor_iter *iter); 15930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 16030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Claims the specified interface of a USB device */ 16130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodint usb_device_claim_interface(struct usb_device *device, unsigned int interface); 16230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 16330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Releases the specified interface of a USB device */ 16430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodint usb_device_release_interface(struct usb_device *device, unsigned int interface); 16530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 16630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 16730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Creates a new usb_endpoint for the specified endpoint of a USB device. 16830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * This can be used to read or write data across the endpoint. 16930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 17030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodstruct usb_endpoint *usb_endpoint_open(struct usb_device *dev, 17130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood const struct usb_endpoint_descriptor *desc); 17230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 17330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Releases all resources associated with the endpoint */ 17430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodvoid usb_endpoint_close(struct usb_endpoint *ep); 17530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 17630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Begins a read or write operation on the specified endpoint */ 17730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodint usb_endpoint_queue(struct usb_endpoint *ep, void *data, int len); 17830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 17930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood /* Waits for the results of a previous usb_endpoint_queue operation on the 18030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * specified endpoint. Returns number of bytes transferred, or a negative 18130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * value for error. 18230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 18330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodint usb_endpoint_wait(struct usb_device *device, int *out_ep_num); 18430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 18530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Cancels a pending usb_endpoint_queue() operation on an endpoint. */ 18630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodint usb_endpoint_cancel(struct usb_endpoint *ep); 18730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 1885e567cb34b5e54467f501fc9703db82ca6639ff3Mike Lockwood/* Returns the usb_device for the given endpoint */ 1895e567cb34b5e54467f501fc9703db82ca6639ff3Mike Lockwoodstruct usb_device *usb_endpoint_get_device(struct usb_endpoint *ep); 1905e567cb34b5e54467f501fc9703db82ca6639ff3Mike Lockwood 19130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns the endpoint address for the given endpoint */ 19230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodint usb_endpoint_number(struct usb_endpoint *ep); 19330ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 19430ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood/* Returns the maximum packet size for the given endpoint. 19530ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood * For bulk endpoints this should be 512 for highspeed or 64 for fullspeed. 19630ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood */ 19730ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwoodint usb_endpoint_max_packet(struct usb_endpoint *ep); 19830ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood 19930ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood#ifdef __cplusplus 20030ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood} 20130ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood#endif 20230ff2c70ce05d761e8cb0ab7ee02b39a681fe0cbMike Lockwood#endif /* __USB_HOST_H */ 203