acadia/sys/voyageurs/xhci/descriptors.h

78 lines
1.8 KiB
C++

#pragma once
#include <stdint.h>
template <typename T>
class RequestConstants {
public:
static uint8_t RequestType();
static uint8_t Request();
static uint16_t Value();
};
struct DeviceDescriptor {
uint8_t length;
uint8_t type;
uint16_t usb_spec;
uint8_t device_class;
uint8_t device_subclass;
uint8_t device_protocol;
uint8_t max_packet_size_exp;
uint16_t vendor_id;
uint16_t product_id;
uint16_t device_release;
uint8_t manufacturer_string_index;
uint8_t product_string_index;
uint8_t serial_string_index;
uint8_t num_configurations;
} __attribute__((packed));
template <>
class RequestConstants<DeviceDescriptor> {
public:
static uint8_t RequestType() { return 0x80; }
static uint8_t Request() { return 0x6; };
static uint16_t Value() { return 0x100; };
};
struct ConfigurationDescriptor {
uint8_t length;
uint8_t type;
uint16_t total_length;
uint8_t num_interfaces;
uint8_t configuration_value;
uint8_t configuration_string_index;
uint8_t attributes;
uint8_t max_power;
} __attribute__((packed));
template <>
class RequestConstants<ConfigurationDescriptor> {
public:
static uint8_t RequestType() { return 0x80; }
static uint8_t Request() { return 0x6; }
// TODO: Consider getting other description indexes.
static uint16_t Value() { return 0x200; }
};
struct InterfaceDescriptor {
uint8_t length;
uint8_t type;
uint8_t interface_number;
uint8_t alternate_setting;
uint8_t num_endpoints;
uint8_t interface_class;
uint8_t interface_subclass;
uint8_t interface_protocol;
uint8_t interfact_string_index;
} __attribute__((packed));
struct EndpointDescriptor {
uint8_t length;
uint8_t type;
uint8_t endpoint_address;
uint8_t attributes;
uint16_t max_packet_size;
uint8_t interval;
} __attribute__((packed));