#ifndef _KERNEL_DEVICE_USB_H
#define _KERNEL_DEVICE_USB_H

#include <aux/compiler.h>
#include <libk/std.h>

struct usb_desc_hdr {
  uint8_t length;
  uint8_t desc_type;
} PACKED;

struct usb_device_desc {
  struct usb_desc_hdr hdr;
  uint16_t bcd_usb;
  uint8_t dev_class;
  uint8_t dev_subclass;
  uint8_t dev_proto;
  uint8_t max_packet_size;
  uint16_t vendor_id;
  uint16_t product_id;
  uint16_t bcd_device;
  uint8_t manufacturer;
  uint8_t product;
  uint8_t serial_num;
  uint8_t num_configs;
} PACKED;

struct usb_string_lang_desc {
  struct usb_desc_hdr hdr;
  uint16_t langs[126];
} PACKED;

struct usb_config_desc {
  struct usb_desc_hdr hdr;
  uint16_t total_length;
  uint8_t num_ifs;
  uint8_t config_value;
  uint8_t config;
  uint8_t attrs;
  uint8_t max_power;
  uint8_t data[245];
} PACKED;

struct usb_if_desc {
  struct usb_desc_hdr hdr;
  uint8_t if_num;
  uint8_t alt_setting;
  uint8_t num_endpoints;
  uint8_t if_class;
  uint8_t if_subclass;
  uint8_t if_proto;
  uint8_t if1;
} PACKED;

struct usb_endpoint_desc {
  struct usb_desc_hdr hdr;
  uint8_t endpoint_addr;
  uint8_t attrs;
  uint16_t max_packet_size;
  uint8_t interval;
} PACKED;

#endif // _KERNEL_DEVICE_USB_H