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Merge pull request #3306 from Cacodemon345/usb-work

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usb: start hooking up USB interrupts to chipsets
This commit is contained in:
Miran Grča
2023-05-05 21:07:01 +02:00
committed by GitHub
parent ec51229fd5 3ed7c4da76
commit 80060a8955
3 changed files with 163 additions and 2 deletions
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24
src/include/86box/usb.h
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@@ -28,6 +28,8 @@ typedef struct usb_t usb_t;
typedef struct
{
void (*raise_interrupt)(usb_t*, void*);
/* Handle (but do not raise) SMI. Returns 1 if SMI can be raised, 0 otherwise. */
uint8_t (*smi_handle)(usb_t*, void*);
void* parent_priv;
} usb_params_t;
@@ -54,6 +56,18 @@ typedef struct
uint8_t bLength;
uint8_t bDescriptorType;
} usb_desc_base_t;
typedef struct
{
usb_desc_base_t base;
uint16_t wTotalLength;
uint8_t bNumInterfaces;
uint8_t bConfigurationValue;
uint8_t iConfiguration;
uint8_t bmAttributes;
uint8_t bMaxPower;
} usb_desc_conf_t;
#pragma pack(pop)
/* USB endpoint device struct. Incomplete and unused. */
@@ -72,12 +86,22 @@ typedef struct
void* priv;
} usb_device_t;
enum usb_bus_types
{
USB_BUS_OHCI = 0,
USB_BUS_UHCI = 1
};
/* Global variables. */
extern const device_t usb_device;
/* Functions. */
extern void uhci_update_io_mapping(usb_t *dev, uint8_t base_l, uint8_t base_h, int enable);
extern void ohci_update_mem_mapping(usb_t *dev, uint8_t base1, uint8_t base2, uint8_t base3, int enable);
/* Attach USB device to a port of a USB bus. Returns the port to which it got attached to. */
extern uint8_t usb_attach_device(usb_t *dev, usb_device_t* device, uint8_t bus_type);
/* Detach USB device from a port. */
extern void usb_detach_device(usb_t *dev, uint8_t port, uint8_t bus_type);
#ifdef __cplusplus
}