| 88,51 → 88,39 |
|---|
| |
| align 4 |
| proc detect |
| locals |
| last_bus dd ? |
| endl |
| |
| mov esi, msgSearch |
| invoke SysMsgBoardStr |
| |
| xor eax, eax |
| mov [bus], eax |
| inc eax |
| invoke PciApi ; get last bus |
| cmp eax, -1 |
| je .error |
| mov [last_bus], eax |
| invoke GetPCIList |
| mov edx, eax |
| |
| .next_bus: |
| and [devfn], 0 |
| .next_dev: |
| invoke PciRead16, [bus], [devfn], PCI_header.subclass ; subclass/vendor |
| cmp ax, 0x0300 ; display controller - vga compatable controller |
| .loop: |
| mov ebx, [eax + PCIDEV.class] |
| cmp bx, 0x0300 ; display controller - vga compatible controller |
| je .found |
| cmp ax, 0x0302 ; display controller - 3d controller |
| cmp bx, 0x0302 ; display controller - 3d controller |
| je .found |
| cmp ax, 0x0380 ; display controller - other display controller |
| cmp bx, 0x0380 ; display controller - other display controller |
| je .found |
| |
| .next: |
| inc [devfn] |
| cmp [devfn], 256 |
| jb .next_dev |
| mov eax, [bus] |
| inc eax |
| mov [bus], eax |
| cmp eax, [last_bus] |
| jna .next_bus |
| mov eax, [eax + PCIDEV.fd] |
| cmp eax, edx |
| jne .loop |
| |
| .error: |
| mov esi, msgFail |
| mov esi, msgDone |
| invoke SysMsgBoardStr |
| |
| xor eax, eax |
| inc eax |
| or eax, -1 |
| ret |
| |
| .found: |
| push eax edx |
| movzx ebx, [eax + PCIDEV.bus] |
| mov [bus], ebx |
| movzx ebx, [eax + PCIDEV.devfn] |
| mov [devfn], ebx |
| invoke PciRead8, [bus], [devfn], PCI_header00.prog_if |
| test al, 1 shl 4 ; got capabilities list? |
| jnz .got_capabilities_list |
| 140,6 → 128,7 |
|---|
| ; TODO: Do it the old way: detect device and check with a list of known capabilities |
| ; stupid pre PCI 2.2 board.... |
| |
| pop edx eax |
| jmp .next |
| |
| .got_capabilities_list: |
| 176,8 → 165,10 |
|---|
| test al, 10b |
| jnz .010b |
| test al, 1b |
| jz .error |
| |
| pop edx eax |
| jz .next |
| |
| .001b: |
| mov [cmd], 001b |
| mov esi, msg1 |
| 247,7 → 238,8 |
|---|
| mov esi, msgOK |
| invoke SysMsgBoardStr |
| |
| ret |
| pop edx eax |
| jmp .next |
| |
| endp |
| |
| 263,7 → 255,7 |
|---|
| |
| msgInit db 'AGP driver loaded.', 13, 10, 0 |
| msgSearch db 'Searching for AGP card...', 13, 10, 0 |
| msgFail db 'device not found', 13, 10, 0 |
| msgDone db 'Done', 13, 10, 0 |
| msgOK db 'AGP device enabled', 13, 10, 0 |
| msgAGP2 db 'AGP2 device found', 13, 10, 0 |
| msgAGP3 db 'AGP3 device found', 13, 10, 0 |