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72 lines
3 KiB
C
72 lines
3 KiB
C
#ifndef __HCD_H__
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#define __HCD_H__
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#define HCD_TYPE_MASK 0xf0
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#define HCD_TYPE_UHCI 0x10
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#define HCD_TYPE_OHCI 0x20
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#define HCD_TYPE_EHCI 0x30
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#define hcd_type( hCD ) ( ( ( hCD )->flags ) & HCD_TYPE_MASK )
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#define usb2( hCD ) ( hcd_type( hCD ) == HCD_TYPE_EHCI )
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#define HCD_ID_MASK 0xf
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#define HCD_DISP_READ_PORT_COUNT 1 // the param is a pointer to UCHAR
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#define HCD_DISP_READ_RH_DEV_CHANGE 2 // the param is a buffer to hold conn change on all the port
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// must have the rh dev_lock acquired
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struct _HCD;
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struct _USB_DEV_MANAGER;
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struct _USB_DEV;
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struct _USB_ENDPOINT;
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struct _URB;
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typedef VOID ( *PHCD_SET_DEV_MGR )( struct _HCD* hcd, struct _USB_DEV_MANAGER *dev_mgr );
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typedef struct _USB_DEV_MANAGER* ( *PHCD_GET_DEV_MGR )( struct _HCD* hcd );
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typedef ULONG ( *PHCD_GET_TYPE )( struct _HCD* hcd );
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typedef VOID ( *PHCD_SET_ID )( struct _HCD* hcd, UCHAR id );
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typedef UCHAR ( *PHCD_GET_ID )( struct _HCD* hcd );
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typedef UCHAR ( *PHCD_ALLOC_ADDR )( struct _HCD* hcd );
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typedef VOID ( *PHCD_FREE_ADDR )( struct _HCD* hcd, UCHAR addr );
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typedef NTSTATUS ( *PHCD_SUBMIT_URB )( struct _HCD* hcd, struct _USB_DEV *pdev, struct _USB_ENDPOINT *pendp, struct _URB *purb );
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typedef VOID ( *PHCD_GENERIC_URB_COMPLETION )( struct _URB *purb, PVOID context ); //we can get te hcd from purb
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typedef struct _USB_DEV* ( *PHCD_GET_ROOT_HUB )( struct _HCD* hcd );
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typedef VOID ( *PHCD_SET_ROOT_HUB )( struct _HCD* hcd, struct _USB_DEV *root_hub );
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typedef BOOLEAN ( *PHCD_REMOVE_DEVICE )( struct _HCD* hcd, struct _USB_DEV *pdev );
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typedef BOOLEAN ( *PHCD_RH_RESET_PORT )( struct _HCD* hcd, UCHAR port_idx ); //must have the rh dev_lock acquired
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typedef BOOLEAN ( *PHCD_RELEASE )( struct _HCD* hcd ); //must have the rh dev_lock acquired
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typedef NTSTATUS( *PHCD_CANCEL_URB)( struct _HCD* hcd, struct _USB_DEV *pdev, struct _USB_ENDPOINT* pendp, struct _URB *purb );
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typedef BOOLEAN ( *PHCD_START )( struct _HCD* hcd ); //must have the rh dev_lock acquired
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typedef NTSTATUS ( *PHCD_DISPATCH )( struct _HCD* hcd, LONG disp_code, PVOID param ); // locking depends on type of code
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typedef struct _HCD
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{
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PHCD_SET_DEV_MGR hcd_set_dev_mgr;
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PHCD_GET_DEV_MGR hcd_get_dev_mgr;
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PHCD_GET_TYPE hcd_get_type;
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PHCD_SET_ID hcd_set_id;
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PHCD_GET_ID hcd_get_id;
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PHCD_ALLOC_ADDR hcd_alloc_addr;
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PHCD_FREE_ADDR hcd_free_addr;
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PHCD_SUBMIT_URB hcd_submit_urb;
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PHCD_GENERIC_URB_COMPLETION hcd_generic_urb_completion;
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PHCD_GET_ROOT_HUB hcd_get_root_hub;
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PHCD_SET_ROOT_HUB hcd_set_root_hub;
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PHCD_REMOVE_DEVICE hcd_remove_device;
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PHCD_RH_RESET_PORT hcd_rh_reset_port;
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PHCD_RELEASE hcd_release;
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PHCD_CANCEL_URB hcd_cancel_urb;
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PHCD_START hcd_start;
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PHCD_DISPATCH hcd_dispatch;
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//interfaces for all the host controller
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ULONG flags; //hcd types | hcd id
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ULONG conn_count; //statics for connection activities
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struct _USB_DEV_MANAGER *dev_mgr; //pointer manager
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UCHAR dev_addr_map[ 128 / 8 ]; //bitmap for the device addrs
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struct _DEVICE_EXTENSION *pdev_ext;
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} HCD, *PHCD;
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#endif
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