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trezor-firmware/core/embed/trezorhal/usb.h

149 lines
3.6 KiB
C

/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __TREZORHAL_USB_H__
#define __TREZORHAL_USB_H__
#include <stdint.h>
#include "secbool.h"
#define USB_EP_DIR_MASK 0x80
#define USB_EP_DIR_OUT 0x00
#define USB_EP_DIR_IN 0x80
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdUSB;
uint8_t bDeviceClass;
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
uint8_t bMaxPacketSize0;
uint16_t idVendor;
uint16_t idProduct;
uint16_t bcdDevice;
uint8_t iManufacturer;
uint8_t iProduct;
uint8_t iSerialNumber;
uint8_t bNumConfigurations;
} usb_device_descriptor_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wData;
} usb_langid_descriptor_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wTotalLength;
uint8_t bNumInterfaces;
uint8_t bConfigurationValue;
uint8_t iConfiguration;
uint8_t bmAttributes;
uint8_t bMaxPower;
} usb_config_descriptor_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting;
uint8_t bNumEndpoints;
uint8_t bInterfaceClass;
uint8_t bInterfaceSubClass;
uint8_t bInterfaceProtocol;
uint8_t iInterface;
} usb_interface_descriptor_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bFirstInterface;
uint8_t bInterfaceCount;
uint8_t bFunctionClass;
uint8_t bFunctionSubClass;
uint8_t bFunctionProtocol;
uint8_t iFunction;
} usb_interface_assoc_descriptor_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bEndpointAddress;
uint8_t bmAttributes;
uint16_t wMaxPacketSize;
uint8_t bInterval;
} usb_endpoint_descriptor_t;
typedef enum {
USB_LANGID_ENGLISH_US = 0x409,
} usb_language_id_t;
typedef struct {
const char *manufacturer;
const char *product;
const char *serial_number;
const char *interface;
} usb_dev_string_table_t;
typedef struct {
uint8_t device_class;
uint8_t device_subclass;
uint8_t device_protocol;
uint16_t vendor_id;
uint16_t product_id;
uint16_t release_num;
const char *manufacturer;
const char *product;
const char *serial_number;
const char *interface;
secbool usb21_enabled;
secbool usb21_landing;
} usb_dev_info_t;
typedef enum {
USB_IFACE_TYPE_DISABLED = 0,
USB_IFACE_TYPE_VCP = 1,
USB_IFACE_TYPE_HID = 2,
USB_IFACE_TYPE_WEBUSB = 3,
} usb_iface_type_t;
#include "usb_hid-defs.h"
#include "usb_vcp-defs.h"
#include "usb_webusb-defs.h"
typedef struct {
union {
usb_hid_state_t hid;
usb_vcp_state_t vcp;
usb_webusb_state_t webusb;
};
usb_iface_type_t type;
} usb_iface_t;
void usb_init(const usb_dev_info_t *dev_info);
void usb_deinit(void);
void usb_start(void);
void usb_stop(void);
secbool usb_configured(void);
#endif