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d58a766556
In Windows OS, there are many non-data blocks (EVENT DATA) during the USB data transfer process, which is very different from the Linux conterpart. To support both OS, the data processing logic is changed with the help of newly introduced enum usb_block_type. Tracked-On: #3628 Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com> Acked-by: Yu Wang <yu1.wang@intel.com>
133 lines
3.0 KiB
C
133 lines
3.0 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef _USB_DEVICE_H
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#define _USB_DEVICE_H
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#include <libusb-1.0/libusb.h>
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#include "usb_core.h"
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#define USB_NUM_INTERFACE 16
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#define USB_NUM_ENDPOINT 15
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#define USB_EP_ADDR(d) ((d)->bEndpointAddress)
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#define USB_EP_ATTR(d) ((d)->bmAttributes)
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#define USB_EP_PID(d) (USB_EP_ADDR(d) & USB_DIR_IN ? TOKEN_IN : TOKEN_OUT)
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#define USB_EP_TYPE(d) (USB_EP_ATTR(d) & 0x3)
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#define USB_EP_NR(d) (USB_EP_ADDR(d) & 0xF)
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#define USB_EP_MAXP(d) ((d)->wMaxPacketSize)
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#define USB_EP_ERR_TYPE 0xFF
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#define USB_EP_MAXP_SZ(m) ((m) & 0x7ff)
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#define USB_EP_MAXP_MT(m) (((m) >> 11) & 0x3)
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enum {
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USB_INFO_VERSION,
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USB_INFO_SPEED,
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USB_INFO_BUS,
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USB_INFO_PORT,
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USB_INFO_VID,
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USB_INFO_PID
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};
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struct usb_dev_ep {
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uint8_t pid;
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uint8_t type;
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uint16_t maxp;
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};
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struct usb_dev {
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/* physical device info */
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struct usb_native_devinfo info;
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int addr;
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int version;
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int configuration;
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/* interface info */
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int if_num;
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int alts[USB_NUM_INTERFACE];
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/* endpoints info */
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struct usb_dev_ep epc;
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struct usb_dev_ep epi[USB_NUM_ENDPOINT];
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struct usb_dev_ep epo[USB_NUM_ENDPOINT];
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/* libusb data */
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libusb_device_handle *handle;
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};
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/*
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* The purpose to implement struct usb_dev_req is to adapt
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* struct usb_xfer to make a proper data format to talk
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* with libusb.
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*/
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struct usb_dev_req {
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struct usb_dev *udev;
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int in;
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int seq;
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/*
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* buffer could include data from multiple usb_block,
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* so here need some data to record it.
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*/
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uint8_t *buffer;
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int buf_size;
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int blk_head;
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int blk_tail;
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struct usb_xfer *xfer;
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struct libusb_transfer *trn;
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struct usb_block *setup_blk;
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};
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/* callback type used by code from HCD layer */
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typedef int (*usb_dev_sys_cb)(void *hci_data, void *dev_data);
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struct usb_dev_sys_ctx_info {
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/*
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* Libusb related global variables
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*/
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libusb_context *libusb_ctx;
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pthread_t thread;
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int thread_exit;
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/* handles of callback */
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libusb_hotplug_callback_handle conn_handle;
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libusb_hotplug_callback_handle disconn_handle;
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/*
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* The following callback funtions will be registered by
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* the code from HCD(eg: XHCI, EHCI...) emulation layer.
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*/
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usb_dev_sys_cb conn_cb;
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usb_dev_sys_cb disconn_cb;
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usb_dev_sys_cb notify_cb;
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usb_dev_sys_cb intr_cb;
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usb_dev_sys_cb lock_ep_cb;
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usb_dev_sys_cb unlock_ep_cb;
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libusb_device **devlist;
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/*
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* private data from HCD layer
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*/
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void *hci_data;
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};
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/* intialize the usb_dev subsystem and register callbacks for HCD layer */
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int usb_dev_sys_init(usb_dev_sys_cb conn_cb, usb_dev_sys_cb disconn_cb,
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usb_dev_sys_cb notify_cb, usb_dev_sys_cb intr_cb,
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usb_dev_sys_cb lock_ep_cb,
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usb_dev_sys_cb unlock_ep_cb,
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void *hci_data, int log_level);
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void usb_dev_sys_deinit(void);
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void *usb_dev_init(void *pdata, char *opt);
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void usb_dev_deinit(void *pdata);
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int usb_dev_info(void *pdata, int type, void *value, int size);
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int usb_dev_request(void *pdata, struct usb_xfer *xfer);
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int usb_dev_reset(void *pdata);
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int usb_dev_data(void *pdata, struct usb_xfer *xfer, int dir, int epctx);
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#endif
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