| 14,15 → 14,21 |
|---|
| API_VERSION equ 0x01000100 |
| |
| DEBUG equ 1 |
| DEBUG_IRQ equ 0 |
| |
| REMAP_IRQ equ 0 |
| USE_COM_IRQ equ 0 ;make irq 3 and irq 4 available for PCI devices |
| IRQ_REMAP equ 0 |
| IRQ_LINE equ 0 |
| |
| |
| ;irq 0,1,2,8,12,13 íåäîñòóïíû |
| ; FEDCBA9876543210 |
| VALID_IRQ equ 1100111011111000b |
| ATTCH_IRQ equ 0000111010100000b |
| |
| if USE_COM_IRQ |
| ATTCH_IRQ equ 0000111010111000b |
| end if |
| |
| CPU_FREQ equ 2600d |
| |
| 314,11 → 320,6 |
|---|
| test eax, eax |
| jz .fail |
| |
| ; if DEBUG |
| ; mov esi, msgInitCodec |
| ; call SysMsgBoardStr |
| ; end if |
| |
| call init_codec |
| test eax, eax |
| jz .fail |
| 328,16 → 329,37 |
|---|
| |
| mov esi, msgPrimBuff |
| call SysMsgBoardStr |
| |
| call create_primary_buff |
| mov esi, msgDone |
| call SysMsgBoardStr |
| |
| if REMAP_IRQ |
| if IRQ_REMAP |
| pushf |
| cli |
| |
| ; call get_LPC_bus ;ïðîâåðêà íà èíòåëëîâñêèé ÷èïñåò |
| ; cmp eax, -1 ;ìîæíî ïðîïóñòèòü |
| ; jz .fail |
| mov [lpc_bus], 0 ;eax |
| call remap_irq |
| mov ebx, [ctrl.int_line] |
| in al, 0xA1 |
| mov ah, al |
| in al, 0x21 |
| test ebx, ebx |
| jz .skip |
| bts ax, bx |
| .skip |
| bts ax, IRQ_LINE |
| out 0x21, al |
| mov al, ah |
| out 0xA1, al |
| |
| stdcall PciWrite8, 0, 0xF8, 0x61, IRQ_LINE |
| |
| mov dx, 0x4d0 |
| in al, dx |
| bts ax, IRQ_LINE |
| out dx, al |
| mov [ctrl.int_line], IRQ_LINE |
| popf |
| mov esi, msgRemap |
| call SysMsgBoardStr |
| end if |
| |
| mov eax, VALID_IRQ |
| 450,32 → 472,13 |
|---|
| restore output |
| restore out_size |
| |
| |
| align 4 |
| proc remap_irq ;for Intel chipsets ONLY !!! |
| mov eax, VALID_IRQ |
| bt eax, IRQ_LINE |
| jnc .exit |
| |
| mov edx, 0x4D0 |
| in ax,dx |
| bts ax, IRQ_LINE |
| out dx, aX |
| |
| stdcall PciWrite8, dword 0, dword 0xF8, dword 0x61, dword IRQ_LINE |
| mov [ctrl.int_line], IRQ_LINE |
| |
| .exit: |
| ret |
| endp |
| |
| align 4 |
| proc ac97_irq |
| |
| ; if DEBUG |
| ; mov esi, msgIRQ |
| ; call SysMsgBoardStr |
| ; end if |
| if DEBUG_IRQ |
| mov esi, msgIRQ |
| call SysMsgBoardStr |
| end if |
| |
| mov edx, PCM_OUT_CR_REG |
| mov al, 0x10; 0x10 |
| 686,45 → 689,6 |
|---|
| endp |
| |
| align 4 |
| proc get_LPC_bus ;for Intel chipsets ONLY !!! |
| locals |
| last_bus dd ? |
| bus dd ? |
| endl |
| |
| xor eax, eax |
| mov [bus], eax |
| inc eax |
| call PciApi |
| cmp eax, -1 |
| je .err |
| |
| mov [last_bus], eax |
| .next_bus: |
| stdcall PciRead32, [bus], dword 0xF8, dword 0 |
| test eax, eax |
| jz .next |
| cmp eax, -1 |
| je .next |
| |
| cmp eax, 0x24D08086 |
| je .found |
| .next: |
| mov eax, [bus] |
| inc eax |
| cmp eax, [last_bus] |
| mov [bus], eax |
| jna .next_bus |
| .err: |
| xor eax, eax |
| dec eax |
| ret |
| .found: |
| mov eax, [bus] |
| ret |
| endp |
| |
| align 4 |
| proc init_controller |
| |
| stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 4 |
| 785,8 → 749,24 |
|---|
| call dword2str |
| call SysMsgBoardStr |
| |
| ;;patch for some ugly BIOS |
| cmp [ctrl.vendor], VID_INTEL |
| jne .default |
| |
| mov esi, msgIrqMap |
| call SysMsgBoardStr |
| stdcall PciRead8, 0, 0xF8, 0x61 |
| and eax, 0xFF |
| call dword2str |
| call SysMsgBoardStr |
| btr eax, 7 ;when bit 7 set remap disabled |
| jnc @F |
| xor eax, eax |
| jmp @F |
| .default: |
| stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x3C |
| and eax, 0xFF |
| @@: |
| mov [ctrl.int_line], eax |
| |
| stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword 0x41 |
| 1466,10 → 1446,13 |
|---|
| msgPlay db 'start play', 13,10,0 |
| msgStop db 'stop play', 13,10,0 |
| ;msgNotify db 'call notify',13,10,0 |
| ;msgIRQ db 'AC97 IRQ', 13,10,0 |
| msgIRQ db 'AC97 IRQ', 13,10,0 |
| msgInitCtrl db 'init controller',13,10,0 |
| ;msgInitCodec db 'init codec',13,10,0 |
| msgPrimBuff db 'create primary buffer',13,10,0 |
| msgPrimBuff db 'create primary buffer ...',0 |
| msgDone db 'done',13,10,0 |
| msgRemap db 'Remap IRQ',13,10,0 |
| msgIrqMap db 'irq remap ',0 |
| ;msgReg db 'set service handler',13,10,0 |
| msgOk db 'service installed',13,10,0 |
| msgCold db 'cold reset',13,10,0 |