kolibrios/kernel/trunk/drivers/com_mouse.asm

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                              ;;
;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License    ;;
;;                                                              ;;
;; Includes source code by Kulakov Vladimir Gennadievich.       ;;
;; Modified by Mario79 and Rus.                                 ;;
;; 02.12.2009 <Lrz>                                             ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;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
        test    eax, eax
        jne     .label1

        mov     esi, msg_error_attach_int_handler
        call    Boot_Log
end if
     .label1:
;       mov     eax, 0
;       mov     ebx, 0x3F8
;       mov     ecx, 0x3FF
        xor     ebx, ebx
        mov     ecx, 0x3F8
        mov     edx, 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
        xor     ebx, ebx
        mov     ecx, 0x2F8
        mov     edx, 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
        test    eax, eax
        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:
        ; <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> COM-<2D><><EFBFBD><EFBFBD><EFBFBD>
MouseSearch:
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1200 <20><><EFBFBD>
        ; in bx COM Port Base Address
        mov     DX, bx
        add     DX, 3
        in      AL, DX
        or      AL, 80h ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> DLAB
        out     DX, AL
        mov     DX, bx
        mov     AL, 60h ;1200 <20><><EFBFBD>
        out     DX, AL
        inc     DX
        mov     AL, 0
        out     DX, AL
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> 7 <20><><EFBFBD>, 1 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>,
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        mov     DX, bx
        add     DX, 3
        mov     AL, 00000010b
        out     DX, AL
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        mov     dx, bx
        inc     dx
        mov     AL, 0
        out     DX, AL
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
; <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> MSMouse
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        mov     DX, bx
        add     EDX, 4  ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        mov     AL, 0   ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> DTR, RTS <20> OUT2
        out     DX, AL
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 5 "<22><><EFBFBD><EFBFBD><EFBFBD>" (0,2 <20>)
        mov     ecx, 0xFFFF
        loop    $
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
        mov     al, 1
        out     dx, al
        mov     ecx, 0xFFFF
        loop    $
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        mov     dx, bx
        in      AL, DX
        add     edx, 4
        mov     AL, 1011b  ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> DTR <20> RTS <20> OUT2
        out     DX, AL
        mov     ecx, 0x1FFFF
; <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
WaitData:
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> 10 "<22><><EFBFBD><EFBFBD><EFBFBD>"
        dec     ecx
;        cmp  ecx,0
        jz      NoMouse
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
        mov     DX, bx
        add     DX, 5
        in      AL, DX
        test    AL, 1  ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?
        jz      WaitData
        ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        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           ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?
        jz      .Error
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        sub     edx, 5
        in      al, dx
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
        and     al, 01111111b

; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
        cmp     [esi+COM_MOUSE_DATA.MouseByteNumber], 2
        ja      .Error
        jz      .ThirdByte
        jp      .SecondByte
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.FirstByte:
        test    al, 1000000b    ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?
        jz      .Error
        mov     [esi+COM_MOUSE_DATA.FirstByte], al
        inc     [esi+COM_MOUSE_DATA.MouseByteNumber]
        jmp     .EndMouseInterrupt
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.SecondByte:
        test    al, 1000000b
        jnz     .Error
        mov     [esi+COM_MOUSE_DATA.SecondByte], al
        inc     [esi+COM_MOUSE_DATA.MouseByteNumber]
        jmp     .EndMouseInterrupt
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.ThirdByte:
        test    al, 1000000b
        jnz     .Error
        mov     [esi+COM_MOUSE_DATA.ThirdByte], al
        mov     [esi+COM_MOUSE_DATA.MouseByteNumber], 0
; (<28><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>).
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
        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

; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> X <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 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

; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> Y <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 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:
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>
; <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

        mov     [esi+COM_MOUSE_DATA.MouseByteNumber], 0
.EndMouseInterrupt:
        mov     al, 1
        ret

;all initialized data place here

align 4

struc COM_MOUSE_DATA {
; <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
        .MouseByteNumber        db      ?
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
        .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