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usb: Finish work on OHCI

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This commit is contained in:
Cacodemon345
2023-05-08 16:51:16 +06:00
parent a6086c451e
commit 9c09d4260e
2 changed files with 229 additions and 56 deletions
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25
src/include/86box/usb.h
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@@ -24,18 +24,29 @@ extern "C" {
typedef struct usb_t usb_t;
enum usb_pid
{
USB_PID_OUT = 0xE1,
USB_PID_IN = 0x69,
USB_PID_SETUP = 0x2D
};
enum usb_errors
{
USB_ERROR_NO_ERROR = 0,
USB_ERROR_NAK = 1,
USB_ERROR_OVERRUN = 2,
USB_ERROR_UNDERRUN = 3
};
/* USB endpoint device struct. Incomplete and unused. */
typedef struct
{
uint16_t vendor_id;
uint16_t device_id;
/* Reads from endpoint. Non-zero value indicates error. */
uint8_t (*device_in)(void* priv, uint8_t* data, uint32_t len);
/* Writes to endpoint. Non-zero value indicates error. */
uint8_t (*device_out)(void* priv, uint8_t* data, uint32_t len);
/* Process setup packets. */
uint8_t (*device_setup)(void* priv, uint8_t* data);
/* General-purpose function for I/O. Non-zero value indicates error. */
uint8_t (*device_process)(void* priv, uint8_t* data, uint32_t *len, uint8_t pid_token, uint8_t endpoint, uint8_t underrun_not_allowed);
/* Device reset. */
void (*device_reset)(void* priv);
/* Get address. */
@@ -81,6 +92,8 @@ typedef struct usb_t
uint8_t ohci_interrupt_counter : 3;
usb_device_t* ohci_devices[2];
usb_device_t* uhci_devices[2];
uint8_t ohci_usb_buf[4096];
uint8_t ohci_initial_start;
usb_params_t* usb_params;
} usb_t;