forked from KolibriOS/kolibrios
More debug output and some fixes for AGP
git-svn-id: svn://kolibrios.org@2901 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
parent
aaaa8209f1
commit
3ee5118adc
@ -114,6 +114,9 @@ proc detect
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last_bus dd ?
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last_bus dd ?
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endl
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endl
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mov esi, msgSearch
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call SysMsgBoardStr
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xor eax, eax
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xor eax, eax
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mov [bus], eax
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mov [bus], eax
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inc eax
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inc eax
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@ -127,6 +130,9 @@ proc detect
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.next_dev:
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.next_dev:
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stdcall PciRead16, [bus], [devfn], dword 0x0a ; read class/subclass
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stdcall PciRead16, [bus], [devfn], dword 0x0a ; read class/subclass
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cmp ax, 0x0300 ; display controller - vga compatable controller
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je .found
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cmp ax, 0x0302 ; display controller - 3d controller
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cmp ax, 0x0302 ; display controller - 3d controller
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je .found
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je .found
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@ -166,28 +172,32 @@ proc detect
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.got_capabilities_list:
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.got_capabilities_list:
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stdcall PciRead8, [bus], [devfn], dword 0x34 ; read capabilities offset
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stdcall PciRead8, [bus], [devfn], dword 0x34 ; read capabilities offset
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and eax, 11111100b ; always dword aligned
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and eax, 11111100b ; always dword aligned
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mov esi, eax
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mov edi, eax
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.read_capability:
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.read_capability:
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stdcall PciRead32, [bus], [devfn], esi ; read capability
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stdcall PciRead32, [bus], [devfn], edi ; read capability
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cmp al, 0x02 ; AGP
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cmp al, 0x02 ; AGP
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je .got_agp
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je .got_agp
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movzx esi, ah ; pointer to next capability
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movzx edi, ah ; pointer to next capability
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test esi, esi
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test edi, edi
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jnz .read_capability
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jnz .read_capability
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jmp .next
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jmp .next
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.got_agp:
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.got_agp:
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shl eax, 16
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shr eax, 16
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mov [revision], al ; high nibble = major revision
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mov [revision], al ; high nibble = major revision
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; low nibble = minor revision
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; low nibble = minor revision
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add esi, 4
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add edi, 4
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and al, 0xf0
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and al, 0xf0
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cmp al, 0x30
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cmp al, 0x30
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je .agp_3
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je .agp_3
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.agp_2:
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.agp_2:
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stdcall PciRead32, [bus], [devfn], esi ; read AGP status
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mov esi, msgAGP2
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call SysMsgBoardStr
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stdcall PciRead32, [bus], [devfn], edi ; read AGP status
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.agp_2_:
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test al, 100b
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test al, 100b
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jnz .100b
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jnz .100b
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@ -199,25 +209,45 @@ proc detect
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.001b:
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.001b:
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mov [cmd], 001b
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mov [cmd], 001b
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mov esi, msg1
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call SysMsgBoardStr
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jmp .agp_go
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jmp .agp_go
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.010b:
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.010b:
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mov [cmd], 010b
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mov [cmd], 010b
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mov esi, msg2
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call SysMsgBoardStr
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jmp .agp_go
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jmp .agp_go
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.100b:
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.100b:
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mov [cmd], 100b
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mov [cmd], 100b
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mov esi, msg4
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call SysMsgBoardStr
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jmp .agp_go
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jmp .agp_go
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.agp_2m:
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mov esi, msgAGP2m
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call SysMsgBoardStr
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jmp .agp_2_
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.agp_3:
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.agp_3:
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stdcall PciRead32, [bus], [devfn], esi ; read AGP status
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mov esi, msgAGP3
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call SysMsgBoardStr
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stdcall PciRead32, [bus], [devfn], edi ; read AGP status
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test al, 1 shl 3
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test al, 1 shl 3
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jz .agp_2
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jz .agp_2m
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mov [cmd], eax
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test eax, 10b
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and [cmd], 11b
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jnz .8x
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cmp [cmd], 11b
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mov [cmd], 01b
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jne .agp_go
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mov esi, msg4
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call SysMsgBoardStr
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jmp .agp_go
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.8x:
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mov [cmd], 10b
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mov [cmd], 10b
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mov esi, msg8
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call SysMsgBoardStr
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.agp_go:
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.agp_go:
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@ -225,18 +255,25 @@ if FAST_WRITE
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test ax, 1 shl 4
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test ax, 1 shl 4
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jz @f
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jz @f
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or [cmd], 1 shl 4
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or [cmd], 1 shl 4
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mov esi, msgfast
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call SysMsgBoardStr
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@@:
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@@:
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end if
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end if
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if SIDE_BAND_ADDRESSING
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if SIDE_BAND_ADDRESSING
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test ax, 1 shl 9
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test ax, 1 shl 9
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jz @f
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jz @f
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or [cmd], 1 shl 9
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or [cmd], 1 shl 9
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mov esi, msgside
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call SysMsgBoardStr
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@@:
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@@:
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end if
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end if
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add esi, 4
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add edi, 4
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mov eax, [cmd]
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stdcall PciWrite32, [bus], [devfn], edi, eax ; write AGP cmd
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mov eax, [cmd]
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mov eax, [cmd]
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or eax, 1 shl 8 ; enable AGP
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or eax, 1 shl 8 ; enable AGP
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stdcall PciWrite32, [bus], [devfn], esi, eax ; write AGP cmd
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stdcall PciWrite32, [bus], [devfn], edi, eax ; write AGP cmd
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if DEBUG
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if DEBUG
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mov esi, msgOK
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mov esi, msgOK
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@ -255,9 +292,19 @@ version dd (5 shl 16) or (API_VERSION and 0xFFFF)
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my_service db 'AGP', 0 ; max 16 chars include zero
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my_service db 'AGP', 0 ; max 16 chars include zero
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msgInit db 'Searching AGP device...', 13, 10, 0
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msgInit db 'AGP driver loaded.', 13, 10, 0
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msgSearch db 'Searching for AGP card...', 13, 10, 0
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msgFail db 'device not found', 13, 10, 0
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msgFail db 'device not found', 13, 10, 0
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msgOK db 'AGP device enabled', 13, 10, 0
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msgOK db 'AGP device enabled', 13, 10, 0
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msgAGP2 db 'AGP2 device found', 13, 10, 0
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msgAGP3 db 'AGP3 device found', 13, 10, 0
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msgAGP2m db 'Running in AGP2 mode', 13, 10, 0
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msg8 db '8x speed', 13, 10, 0
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msg4 db '4x speed', 13, 10, 0
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msg2 db '2x speed', 13, 10, 0
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msg1 db '1x speed', 13, 10, 0
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msgfast db 'Fast Write', 13, 10, 0
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msgside db 'Side band addressing', 13, 10, 0
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section '.data' data readable writable align 16
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section '.data' data readable writable align 16
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