usbdata.dat

AMI 主板的BIOS源码

;*****************************************************************;
;*****************************************************************;
;**                                                             **;
;**      (C)Copyright 1985-1996, American Megatrends, Inc.      **;
;**                                                             **;
;**                     All Rights Reserved.                    **;
;**                                                             **;
;**           6145-F Northbelt Pkwy, Norcross, GA 30071         **;
;**                                                             **;
;**                     Phone [phone]                    **;
;**                                                             **;
;*****************************************************************;
;*****************************************************************;

;---------------------------------------;
; usbdseg                               ;
;---------------------------------------;--------------------------------------;
; This data area is used to keep the USB schedule, transfer descriptors, data  ;
; buffers, and other miscellaneous data needed to run the USB host controller. ;
; This data area must be avaliable for the USB host controller to busmaster    ;
; data into and out of from the PCI bus.  This means it must be located in     ;
; read/write memory such as in base memory or shadow.                          ;
;------------------------------------------------------------------------------;
;ifdef DOS_DEBUG
;usbdgroup	group	usbdseg
;usbdseg segment page public 'DATA'
;else
usbdgroup	group	usbdseg
usbdseg segment page common 'DATA'
;endif

;------------------------------------------------------------------------------;
;                                 UHCI Data                                    ;
;------------------------------------------------------------------------------;
if MKF_USB_UHCI

FrameList	dd	1024 dup (?)

align 32
TdPool label byte
TdDummy		Transfer_Descriptor <>	;Place holder to match up with DeviceTableEntry[0]
TdHid		Transfer_Descriptor HID_DEVICE_LIMIT dup (<>) ;Used for polling HIDs
TdHub		Transfer_Descriptor HUB_DEVICE_LIMIT dup (<>) ;Used for polling Hubs

TdRootHub	Transfer_Descriptor <>	;Used to generate periodic interrupt
TdRepeat	Transfer_Descriptor <>	;Used to generate keyboard repeat interrupt
TdControlSetup	Transfer_Descriptor <>	;Used for setup portion of control transactions
TdControlData	Transfer_Descriptor CONTROL_DATA_TD_COUNT dup (<>) ;Used for data portion of control transactions
TdControlStatus	Transfer_Descriptor <>	;Used for handshake prtion of control transactions
TdPoolEnd label byte

align 32
QhControl	Q_Head <>		;Queue head for TdControlSetup, TdControlData, and TdControlStatus

IO_Space_Base_Address	dw ?		;Holds the I/O base address of USB HC

endif	;MKF_USB_UHCI

;------------------------------------------------------------------------------;
;                                 OHCI Data                                    ;
;------------------------------------------------------------------------------;
if MKF_USB_OHCI

; HCCA - Host Controller Commumications Area
; HccaInterruptTable
INTERRUPTLIST   dd      FRAME_LIST_SIZE  dup  (?)
HCCAFRAMENUMBER dw      ?
HCCAPAD1        dw      ?
HCCADONEHEAD    dd      ?
RES_HCCA        db      116 dup  (?)

; Endpoint desriptors
align 32
EdPool label byte
EdDummy		Endpoint_Descriptor <>	;Place holder to match up with DeviceTableEntry[0]
EdHid		Endpoint_Descriptor HID_DEVICE_LIMIT dup (<>) ;Used for polling HIDs
EdHub		Endpoint_Descriptor HUB_DEVICE_LIMIT dup (<>) ;Used for polling Hubs
EdRepeat	Endpoint_Descriptor <>	;Used to generate keyboard repeat interrupt

EdControl	Endpoint_Descriptor <>	;Used for control transactions
EdPoolEnd label byte

; Transfer descriptors
align 32
TdPool label byte
TdDummy		General_Transfer_Descriptor <>	;Place holder to match up with DeviceTableEntry[0]
TdHid		General_Transfer_Descriptor HID_DEVICE_LIMIT dup (<>) ;Used for polling HIDs
TdHub		General_Transfer_Descriptor HUB_DEVICE_LIMIT dup (<>) ;Used for polling Hubs
TdRepeat	General_Transfer_Descriptor <>	;Used to generate keyboard repeat interrupt

TdControlSetup	General_Transfer_Descriptor <>	;Used for setup portion of control transactions
TdControlData	General_Transfer_Descriptor <>	;Used for data portion of control transactions
TdControlStatus	General_Transfer_Descriptor <>	;Used for handshake prtion of control transactions
TdPoolEnd label byte

;InterruptEd     Endpoint_Descriptor MAX_DEVICES dup (<>) ;Used for Head of interrupt Td queue
;PeriodicEd      Endpoint_Descriptor <> ;Used for Head of periodic Td queue
;InterruptTd     General_Transfer_Descriptor INT_TD_COUNT dup (<>)
;PeriodicTd      General_Transfer_Descriptor <> ;Used to generate periodic interrupt

Oper_Reg_Base_Address	dd ?		;Holds the I/O base address of USB HC
StatusChangeInProgress	db ?		;Set to TRUE when processing a root hub
					; status change to avoid reentrancy
RootHubPortCount	db ?		;Holds number of ports on the HC's root hub

endif	;MKF_USB_OHCI

;------------------------------------------------------------------------------;
;                       Host Controller Independant Data                       ;
;------------------------------------------------------------------------------;

DeviceTable	DeviceTableEntry MAX_DEVICES+1 dup (<>) ;Info on each device
DeviceTableEnd	label	byte

HcdDataArea		dd ?
UsbHcBusDevFuncNum	dw ?		;Holds USB HC PCI bus/dev/func number
HC_Interrupt_Level	db ?		;Holds IRQ level in use by HC
Set_LED_in_progress	db ?		; NOT USED
InitializationFlags	db ?		;Flags set when HC is inited (see INIT_FLAG_xxx)

;-------------------------------;
;===============================;
;-------------------------------;
; USB Keyboard/scanner data buffer
;-------------------------------;
host_kb_data_start	label	byte
;-------------------------------;
ch_buff_start	label	word	; character buffer start address
		db	16 dup (?)
ch_buff_end	label	word	; character buffer end address
sc_buff_start	label	word	; scanner buffer start address
		db	16 dup (?)
sc_buff_end	label	word	; scanner buffer end address
sc_flag_start	label	word	; scanner buffer flag_byte start address
		db	16 dup (?)
sc_flag_end	label	word	; scanner buffer flag_byte end address
dv_flag_start	label	word	; device id flag_byte start address
		db	16 dup (?)
dv_flag_end	label	word	; device id flag_byte end address
ip_buff_start	label	word	; expanded buffer null ended (8+6+1)
		db	16 dup (?)
scan_3_table	label	word	; scan-3 table, 128x2 bits = 32 bytes
		db	32 dup (?)
ccb		label	byte	; 32 bytes of 8042 RAM
		db	32 dup (?)
;-------------------------------;
CH_BUFF_HEAD	dw	offset ch_buff_start; CHARACTER BUFFER HEAD POINTER
CH_BUFF_TAIL	dw	offset ch_buff_start; CHARACTER BUFFER TAIL POINTER
SC_BUFF_PTR	dw	offset sc_buff_start; SCANNER BUFFER POINTER
tl0		db	00h	; temp scratch
th0		db	00h	; temp scratch
last_scan_index	db	00h	; last USBKeycode processed
make_break_flag	db	00h	; Make/Break code generation
current_scan_index	db	00h; current USBKeycode processed
bk_device_id	db	00h	; breakcode generation flag for this device-id
device_id	db	00h	; current USB device
device_list	label	word	; max. 8 device supported.
		dw	8 dup (?) ; device id, Interface number
device_list_end	label	word
;-------------------------------;
flag_60		dw	0000h	; routine address for 64/60 command
ram_address	db	00h	; 8042 RAM address during write
flag_8042	db	00h	; FF = 8042 present, 00 = 8042 absent
output_port	db	00h	; output port status
password_ptr	dw	0000h	; current password pointer
password_start	db	16 dup (?) ; 16 bytes password
password_end	label	word
repeat_counter	dw	0000h	; repeat counter
repeat_rate	dw	0000h	; repeat rate
port_60_char	db	00h	; last char sent to system (port 60)
ext_kb_char	db	00h	; external keyboard data received
;-------------------------------;
TYPEMATIC_RATE		db	00h	; BIT-4..0 = TYPEMATIC RATE
				;	00000..11111 = 30 to 2 characters/sec
				; bit-6,5 = typematic rate delay
				; 00,01,10,11 = 250,500,750,1000 milisecond
	auto_repeat_bit	equ	7	; bit-7 used for auto repeat bit
auto_repeat_bitx	equ	1 shl auto_repeat_bit	; AUTO REPEAT bit
;-------------------------------;
FLAG_BYTE_1		db	00h	; bit-7 (1=64/60 emulation on)
					; bit-6,5,4 = C/N/S for FLAG_BYTE
					; bit-3,2,1,0 = always 0
FLAG_BYTE		db	00h	; EACH BIT IS A FLAG
	function_bit	equ	7	; FUNCTION KEY led bit
	scroll_lock_bit	equ	6	; SCROLL LOCK led bit
	caps_lock_bit	equ	5	; CAPS LOCK led bit
	num_lock_bit	equ	4	; NUM LOCK led bit
	alt_key_bit	equ	3	; ALT KEY status bit
	ctl_key_bit	equ	2	; CONTROL key status bit
	left_shift_bit	equ	1	; LEFT SHIFT status bit
	right_shift_bit	equ	0	; RIGHT SHIFT status bit
function_bitx		equ	1 shl function_bit	; FUNCTION KEY led bit
scroll_lock_bitx	equ	1 shl scroll_lock_bit	; SCROLL LOCK led bit
caps_lock_bitx		equ	1 shl caps_lock_bit	; CAPS LOCK led bit
num_lock_bitx		equ	1 shl num_lock_bit	; NUM LOCK led bit
alt_key_bitx		equ	1 shl alt_key_bit	; ALT KEY status bit
ctl_key_bitx		equ	1 shl ctl_key_bit	; CONTROL KEY stat bit
left_shift_bitx		equ	1 shl left_shift_bit	; LEFT SHIFT stat bit
right_shift_bitx	equ	1 shl right_shift_bit	; RIGHT SHIFT stat bit
;-------------------------------;
SCANNER_FLAG		db	00h	; 1,0 = scan code set 1/2/3
					; 5,4,3,2 FREE
	a6_flag_bit	equ	6	; A6 password active (1/0)
	scanner_bit	equ	7	; scanner disable/enable (1/0)
a6_flag_bitx	equ	1 shl a6_flag_bit	; 1 = password active
scanner_bitx	equ	1 shl scanner_bit	; 1 = scanner disabled
;-------------------------------;
KBMS_COMMAND_STATUS	db	00h	; KEYBOARD COMMAND STATUS 2,1,0
	ed_flag		equ	1	; xxxx x001
	f0_flag		equ	2	; xxxx x010
	f3_flag		equ	3	; xxxx x011
	fb_flag		equ	4	; xxxx x100
	fc_flag		equ	5	; xxxx x101
	fd_flag		equ	6	; xxxx x110
;-------------------------------;
kbmsflag	db	00h	; bit 7 = re-entrant flag for LED on routine
				; bit 6 = (1=mouse enabled, if emulation on)
				; bit 5-4 = KB/MS data send to system
				; bit 3 = USB mouse data packet ready to send
				; bit 2-0 = FREE
ms_buff_start	label	word	; mouse buffer start address
		db	5 dup (?)
ms_buff_end	label	word	; mouse buffer end address
MS_BUFF_HEAD	dw	offset ms_buff_start; MOUSE BUFFER HEAD POINTER
MS_BUFF_TAIL	dw	offset ms_buff_start; MOUSE BUFFER TAIL POINTER
;-------------------------------;
host_kb_data_end	label	byte
;-------------------------------;
;===============================;
;-------------------------------;

DeviceRequestDataBuf	db MAX_CONTROL_DATA_SIZE dup (?)
					;Scratch area used for sending and
					; receiving various data to/from USB
					; devices in device requests.

ApiDataBuffer		db MAX_CONTROL_DATA_SIZE dup (?)
					;Scratch area used for communication
					; with USB BIOS API callers.

usbdseg	ends
;*****************************************************************;
;*****************************************************************;
;**                                                             **;
;**      (C)Copyright 1985-1996, American Megatrends, Inc.      **;
;**                                                             **;
;**                     All Rights Reserved.                    **;
;**                                                             **;
;**           6145-F Northbelt Pkwy, Norcross, GA 30071         **;
;**                                                             **;
;**                     Phone [phone]                    **;
;**                                                             **;
;*****************************************************************;
;*****************************************************************;