Subversion Repositories Kolibri OS

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;;                                                              ;;

;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;

;; Distributed under terms of the GNU General Public License    ;;

;;                                                              ;;

;; Includes source code by Kulakov Vladimir Gennadievich.       ;;

;; Modified by Mario79 and Rus.                                 ;;

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;driver sceletone

format MS COFF

DEBUG        equ 0

include 'proc32.inc'

include 'imports.inc'

API_VERSION	equ 5  ;debug

struc IOCTL

{  .handle	dd ?

   .io_code	dd ?

   .input	dd ?

   .inp_size	dd ?

   .output	dd ?

   .out_size	dd ?

}

virtual at 0

  IOCTL IOCTL

end virtual

public START

public version

DRV_ENTRY    equ 1

DRV_EXIT     equ -1

STRIDE	     equ 4	;size of row in devices table

SRV_GETVERSION	equ 0

section '.flat' code readable align 16

proc START stdcall, state:dword

	   cmp [state], 1

	   jne .exit

.entry:

	;Detect_COM_Mouse:

if DEBUG

	mov    esi, msgInit

	call   Boot_Log

end if

	mov    bx, 0x3f8

	call   MSMouseSearch

	cmp    AL,'M'

	jne    @f

	;mov    [com1_mouse_detected],1

	;mov     [irq_owner+4*4], 1      ; IRQ4 owner is System

	mov	dx, bx

	inc	dx			 ; 0x3f8 + 1

	mov	al, 1

	out	dx, al

	stdcall AttachIntHandler, 4, irq4_handler, dword 0

if DEBUG

	cmp	eax, 0

	jne	.label1

	mov	esi, msg_error_attach_int_handler

	call	Boot_Log

end if

     .label1:

	mov	eax, 0

	mov	ebx, 0x3F8

	mov	ecx, 0x3FF

	call	ReservePortArea

if DEBUG

	cmp	eax, 1

	jne	.go

	mov	esi, msg_error_reserve_ports

	call	Boot_Log

     .go:

	mov	esi,boot_setmouse_type

	call	Boot_Log

end if

     @@:

	mov	bx, 0x2f8

	call	MSMouseSearch

	cmp	AL,'M'

	jne	.resume

	;mov     [com2_mouse_detected],1

	;mov     [irq_owner+3*4], 1      ; IRQ3 owner is System

	stdcall AttachIntHandler, 3, irq3_handler, dword 0

	mov	eax, 0

	mov	ebx, 0x2F8

	mov	ecx, 0x3F8

	call	ReservePortArea

if DEBUG

	cmp	eax, 1

	jne	@f

	mov	esi, msg_error_reserve_ports

	call	Boot_Log

      @@:

	mov	esi,boot_setmouse_type + 22

	call	Boot_Log

end if

      .resume:

	   stdcall RegService, my_service, service_proc

if DEBUG

	   cmp	eax, 0

	   jne	@f

	   mov	esi, msg_exit

	   call Boot_Log

end if

	 @@:

	   ret

.fail:

.exit:

if DEBUG

	   mov	esi, msg_exit

	   call Boot_Log

end if

	   xor eax, eax

	   ret

endp

handle	   equ	IOCTL.handle

io_code    equ	IOCTL.io_code

input	   equ	IOCTL.input

inp_size   equ	IOCTL.inp_size

output	   equ	IOCTL.output

out_size   equ	IOCTL.out_size

align 4

proc service_proc stdcall, ioctl:dword

	   mov ebx, [ioctl]

	   mov eax, [ebx+io_code]

	   cmp eax, SRV_GETVERSION

	   jne @F

	   mov eax, [ebx+output]

	   cmp [ebx+out_size], 4

	   jne .fail

	   mov [eax], dword API_VERSION

	   xor eax, eax

	   ret

@@:

.fail:

	   or eax, -1

	   ret

endp

align 4

MSMouseSearch:

	; ÏÎÈÑÊ ÌÛØÈ ×ÅÐÅÇ COM-ÏÎÐÒÛ

MouseSearch:

	; Óñòàíàâëèâàåì ñêîðîñòü

	; ïðèåìà/ïåðåäà÷è 1200 áîä

	; in bx COM Port Base Address

	mov	DX, bx

	add	DX,3

	in	AL,DX

	or	AL,80h	;óñòàíîâèòü áèò DLAB

	out	DX,AL

	mov	DX, bx

	mov	AL,60h	;1200 áîä

	out	DX,AL

	inc	DX

	mov	AL,0

	out	DX,AL

	; Óñòàíîâèòü äëèíó ñëîâà 7 áèò, 1 ñòîïîâûé áèò,

	; ÷åòíîñòü íå êîíòðîëèðîâàòü

	mov	DX, bx

	add	DX,3

	mov	AL,00000010b

	out	DX,AL

	; Çàïðåòèòü âñå ïðåðûâàíè

	mov	dx, bx

	inc	dx

	mov	AL,0

	out	DX,AL

; Ïðîâåðèòü, ÷òî óñòðîéñòâî ïîäêëþ÷åíî è ÿâëÿåòñ

; ìûøüþ òèïà MSMouse

	; Îòêëþ÷èòü ïèòàíèå ìûøè è ïðåðûâàíè

	mov	DX, bx

	add	EDX,4	;ðåãèñòð óïðàâëåíèÿ ìîäåìîì

	mov	AL,0	;ñáðîñèòü DTR, RTS è OUT2

	out	DX,AL

	; Îæèäàòü 5 "òèêîâ" (0,2 ñ)

	mov	ecx, 0xFFFF

	loop	$

	; Âêëþ÷èòü ïèòàíèå ìûøè

	mov	al, 1

	out	dx, al

	mov	ecx, 0xFFFF

	loop	$

	; Î÷èñòèòü ðåãèñòð äàííûõ

	mov	dx, bx

	in	AL,DX

	add	edx, 4

	mov	AL, 1011b  ;óñòàíîâèòü DTR è RTS è OUT2

	out	DX,AL

	mov	ecx, 0x1FFFF

; Öèêë îïðîñà ïîðòà

WaitData:

	; Îæèäàòü åùå 10 "òèêîâ"

	 dec  ecx

	 cmp  ecx,0

	 je	NoMouse

	; Ïðîâåðèòü íàëè÷èå èäåíòèôèêàöèîííîãî áàéòà

	mov	DX, bx

	add	DX,5

	in	AL,DX

	test	AL,1   ;Äàííûå ãîòîâû?

	jz	WaitData

	; Ââåñòè äàííûå

	mov	DX, bx

	in	AL,DX

NoMouse:

	ret

align 4

irq3_handler:

	mov	dx, 0x2f8

	mov	esi, com2_mouse

	jmp	irq_handler

align 4

irq4_handler:

	mov	dx, 0x3f8

	mov	esi, com1_mouse

irq_handler:

; in: esi -> COM_MOUSE_DATA struc, dx = base port (xF8h)

	add	edx, 5		; xFDh

	in	al, dx

	test	al, 1		; Äàííûå ãîòîâû?

	jz	.Error

; Ââåñòè äàííûå

	sub	edx, 5

	in	al, dx

; Ñáðîñèòü ñòàðøèé íåçíà÷àùèé áèò

	and	al, 01111111b

; Îïðåäåëèòü ïîðÿäêîâûé íîìåð ïðèíèìàåìîãî áàéòà

	cmp	[esi+COM_MOUSE_DATA.MouseByteNumber], 2

	ja	.Error

	jz	.ThirdByte

	jp	.SecondByte

; Ñîõðàíèòü ïåðâûé áàéò äàííûõ

.FirstByte:

	test	al, 1000000b	; Ïåðâûé áàéò ïîñûëêè?

	jz	.Error

	mov	[esi+COM_MOUSE_DATA.FirstByte], al

	inc	[esi+COM_MOUSE_DATA.MouseByteNumber]

	jmp	.EndMouseInterrupt

; Ñîõðàíèòü âòîðîé áàéò äàííûõ

.SecondByte:

	test	al, 1000000b

	jnz	.Error

	mov	[esi+COM_MOUSE_DATA.SecondByte], al

	inc	[esi+COM_MOUSE_DATA.MouseByteNumber]

	jmp	.EndMouseInterrupt

; Ñîõðàíèòü òðåòèé áàéò äàííûõ

.ThirdByte:

	test	al, 1000000b

	jnz	.Error

	mov	[esi+COM_MOUSE_DATA.ThirdByte], al

	mov	[esi+COM_MOUSE_DATA.MouseByteNumber], 0

; (Ïàêåò äàííûõ îò ìûøè ïðèíÿò ïîëíîñòüþ).

; Çàïèñàòü íîâîå çíà÷åíèå ñîñòîÿíèÿ êíîïîê ìûøè

	mov	al, [esi+COM_MOUSE_DATA.FirstByte]

	mov	ah, al

	shr	al, 3

	and	al, 2

	shr	ah, 5

	and	ah, 1

	add	al, ah

	movzx	eax, al

	mov	[BTN_DOWN], eax

; Ïðèáàâèòü ïåðåìåùåíèå ïî X ê êîîðäèíàòå X

	mov	al, [esi+COM_MOUSE_DATA.FirstByte]

	shl	al, 6

	or	al, [esi+COM_MOUSE_DATA.SecondByte]

	cbw

	movzx	eax, ax

	mov	[MOUSE_X], eax

; Ïðèáàâèòü ïåðåìåùåíèå ïî Y ê êîîðäèíàòå Y

	mov	al, [esi+COM_MOUSE_DATA.FirstByte]

	and	al, 00001100b

	shl	al, 4

	or	al, [esi+COM_MOUSE_DATA.ThirdByte]

	cbw

	movzx	eax, ax

	neg	eax

	mov	[MOUSE_Y], eax

	stdcall SetMouseData, [BTN_DOWN], [MOUSE_X], [MOUSE_Y], 0, 0

	jmp	.EndMouseInterrupt

.Error:

; Ïðîèçîøåë ñáîé â ïîðÿäêå ïåðåäà÷è èíôîðìàöèè îò

; ìûøè, îáíóëèòü ñ÷åò÷èê áàéòîâ ïàêåòà äàííûõ

	mov	[esi+COM_MOUSE_DATA.MouseByteNumber],0

.EndMouseInterrupt:

	ret

;all initialized data place here

align 4

struc COM_MOUSE_DATA {

; Íîìåð ïðèíèìàåìîãî îò ìûøè áàéòà

	.MouseByteNumber	db	?

; Òðåõáàéòîâàÿ ñòðóêòóðà äàííûõ, ïåðåäàâàåìàÿ ìûøüþ

	.FirstByte		db	?

	.SecondByte		db	?

	.ThirdByte		db	?

	;.timer_ticks_com        dd      ?

}

virtual at 0

 COM_MOUSE_DATA COM_MOUSE_DATA

end virtual

com1_mouse COM_MOUSE_DATA

com2_mouse COM_MOUSE_DATA

MOUSE_X      dd 0

MOUSE_Y      dd 0

BTN_DOWN     dd 0

COMPortBaseAddr dw 3F8h

version      dd (5 shl 16) or (API_VERSION and 0xFFFF)

my_service   db 'COM_Mouse',0  ;max 16 chars include zero

if DEBUG

msgInit 		     db   'Preved bugoga!',13,10,0

boot_setmouse_type	     db   'Detected - COM1 mouse',13,10,0

			     db   'Detected - COM2 mouse',13,10,0

msg_error_reserve_ports      db   'Error reserving ports!',13,10,0

msg_error_attach_int_handler db   'Error attach interrupt handler!',13,10,0

msg_exit		     db   'Exit!',13,10,0

end if

section '.data' data readable writable align 16

;all uninitialized data place here