ioforge_usb.h

Go to the documentation of this file.

#ifndef __SYS__IOFORGE__IOFORGE_USB_H_
#define __SYS__IOFORGE__IOFORGE_USB_H_
 
#include "ioforge.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum ioforge_usb_version {
    IoForgeUSB_VERSION_2 = 0x20,
    IoForgeUSB_VERSION_3 = 0x30
};
 
struct UsbControllerOp {
    void (*send)(uint32_t addr, uint8_t endpoint, uint32_t data_phys,
             size_t request_size, uint32_t response_phys,
             size_t response_size);
};
 
struct ioforge_usb_controller_service {
    struct ioforge_device service;
    struct UsbControllerOp ops;
    uint32_t irq;
};
 
struct ioforge_usb_endpoint {
    uint8_t address;     // bit[3:0]=nomor, bit[7]=1→IN / 0→OUT
    uint8_t attributes;  // bit[1:0]: 00=Control 01=Iso 10=Bulk 11=Interrupt
    uint16_t max_packet; // maksimal byte per transfer
    uint8_t interval;    // polling interval (ms, untuk Interrupt/Iso)
};
 
struct ioforge_usb_device {
    struct ioforge_device base;
    const char serial_number[64];
 
    // usb device descriptor
    uint16_t vendor_id;
    uint16_t product_id;
    uint8_t usb_version; // 0x10=USB1.1  0x20=USB2.0  0x30=USB3.0
    uint8_t class_code;
    uint8_t subclass_code;
    uint8_t protocol;
    uint8_t max_power;
 
    uint8_t addr;  // device address di bus (1–127)
    uint8_t port;  // port pada parent hub/controller
    uint8_t speed; // USB_SPEED_{LOW, FULL, HIGH, SUPER}
    uint8_t ep_count;
 
    struct ioforge_usb_controller_service* controller;
    struct ioforge_usb_endpoint endpoints[16];
 
    void* pipe; // InterruptPipe (c++)
};
 
struct ioforge_device* ioforge_get_usb_ctrl_root();
struct ioforge_device* ioforge_get_usb_devices_root();
 
typedef void (*ioforge_usb_visitor_fn)(struct ioforge_usb_device* dev,
                       void* ctx);
 
void ioforge_find_usb_device_by_devclass(struct ioforge_device* node,
                     uint16_t devclass,
                     ioforge_usb_visitor_fn callback,
                     void* ctx);
#ifdef __cplusplus
}
#endif
 
#endif // __SYS__IOFORGE__IOFORGE_PCI_H_