| 0,0 → 1,223 |
|---|
| |
| align 4 |
| proc detect_codec |
| locals |
| codec_id dd ? |
| endl |
| |
| stdcall codec_read, dword 0x7C |
| shl eax, 16 |
| mov [codec_id], eax |
| |
| stdcall codec_read, dword 0x7E |
| or eax, [codec_id] |
| |
| mov [codec.chip_id], eax |
| and eax, 0xFFFFFF00 |
| |
| mov edi, codecs |
| @@: |
| mov ebx, [edi] |
| test ebx, ebx |
| jz .unknown |
| |
| cmp eax, ebx |
| jne .next |
| mov eax, [edi+4] |
| mov [codec.ac_vendor_ids], eax |
| stdcall detect_chip, [edi+8] |
| ret |
| .next: |
| add edi, 12 |
| jmp @B |
| .unknown: |
| mov [codec.ac_vendor_ids], ac_unknown |
| mov [codec.chip_ids], chip_unknown |
| ret |
| endp |
| |
| align 4 |
| proc detect_chip stdcall, chip_tab:dword |
| |
| mov eax, [codec.chip_id] |
| and eax, 0xFF |
| |
| mov edi, [chip_tab] |
| @@: |
| mov ebx, [edi] |
| test ebx, ebx |
| jz .unknown |
| |
| cmp eax,ebx |
| jne .next |
| mov eax, [edi+4] |
| mov [codec.chip_ids], eax |
| ret |
| .next: |
| add edi, 8 |
| jmp @b |
| .unknown: |
| mov [codec.chip_ids], chip_unknown |
| ret |
| endp |
| |
| align 4 |
| proc setup_codec |
| |
| xor eax, eax |
| stdcall codec_write, dword CODEC_AUX_VOL |
| |
| mov eax, 0x1010 |
| stdcall codec_write, dword CODEC_MASTER_VOL_REG |
| |
| mov ax, 0x08 |
| stdcall codec_write, dword 0x0C |
| |
| mov ax, 0x0808 |
| stdcall codec_write, dword CODEC_PCM_OUT_REG |
| |
| mov ax, 0x0808 |
| stdcall codec_write, dword 0x10 |
| |
| mov ax, 0x0808 |
| stdcall codec_write, dword 0x12 |
| |
| mov ax, 0x0808 |
| stdcall codec_write, dword 0x16 |
| |
| |
| stdcall codec_read, dword CODEC_EXT_AUDIO_CTRL_REG |
| |
| and eax, 0FFFFh - BIT1 ; clear DRA (BIT1) |
| or eax, BIT0 ; set VRA (BIT0) |
| stdcall codec_write, dword CODEC_EXT_AUDIO_CTRL_REG |
| |
| stdcall set_sample_rate, dword 48000 |
| |
| .init_error: |
| |
| xor eax, eax ; exit with error |
| ret |
| |
| endp |
| |
| align 4 |
| proc set_master_vol stdcall, vol:dword |
| |
| mov ebx, 63 |
| mov ecx, 20644 |
| mov eax, [vol] |
| cmp eax, 90 |
| jna @f |
| mov eax, 90 |
| @@: |
| mul ecx |
| shr eax, 15 |
| sub ebx, eax |
| mov ah, bl |
| mov al, bl |
| stdcall codec_write, dword CODEC_MASTER_VOL_REG |
| ret |
| endp |
| |
| align 4 |
| proc get_master_vol stdcall, pvol:dword |
| |
| stdcall codec_read, dword CODEC_MASTER_VOL_REG |
| and eax, 0x3F |
| mov ebx, 63 |
| mov ecx, 20644 |
| |
| xchg eax, ebx |
| sub eax, ebx |
| shl eax, 15 |
| xor edx, edx |
| div ecx |
| mov ebx, [pvol] |
| mov [ebx], eax |
| ret |
| endp |
| |
| align 4 |
| proc set_sample_rate stdcall, rate:dword |
| mov eax, [rate] |
| stdcall codec_write, dword CODEC_PCM_FRONT_DACRATE_REG |
| ret |
| endp |
| |
| align 16 |
| ac_unknown db 'unknown manufacturer',13,10,0 |
| ac_Realtek db 'Realtek Semiconductor',13,10,0 |
| ac_Analog db 'Analog Devices',13,10,0 |
| ac_CMedia db 'C-Media Electronics',13,10,0 |
| chip_unknown db 'unknown chip', 13,10,0 |
| |
| CHIP_ANALOG equ 0x41445300 |
| CHIP_REALTEK equ 0x414C4700 |
| CHIP_CMEDIA equ 0x434D4900 |
| |
| align 16 |
| codecs dd CHIP_ANALOG, ac_Analog, chips_Analog |
| dd CHIP_CMEDIA, ac_CMedia, chips_CMedia |
| dd CHIP_REALTEK,ac_Realtek, chips_Realtek |
| dd 0 |
| |
| align 16 |
| chips_Analog dd 0x03, chip_AD1819 |
| dd 0x40, chip_AD1881 |
| dd 0x48, chip_AD1881A |
| dd 0x60, chip_AD1884 |
| dd 0x61, chip_AD1886 |
| dd 0x62, chip_AD1887 |
| dd 0x63, chip_AD1886A |
| dd 0x70, chip_AD1980 |
| dd 0x75, chip_AD1985 |
| dd 0 |
| |
| chips_Realtek dd 0x20, chip_ALC650 |
| dd 0x21, chip_ALC650D |
| dd 0x22, chip_ALC650E |
| dd 0x23, chip_ALC650F |
| dd 0x60, chip_ALC655 |
| dd 0x80, chip_ALC658 |
| dd 0x81, chip_ALC658D |
| dd 0x90, chip_ALC850 |
| dd 0 |
| |
| chips_CMedia dd 0x41, chip_CM9738 |
| dd 0x61, chip_CM9739 |
| dd 0x69, chip_CM9780 |
| dd 0x78, chip_CM9761 |
| dd 0x82, chip_CM9761 |
| dd 0x83, chip_CM9761 |
| dd 0 |
| |
| align 16 |
| ;Analog Devices |
| chip_AD1819 db 'AD1819 ',0dh,0ah,00h |
| chip_AD1881 db 'AD1881 ',0dh,0ah,00h |
| chip_AD1881A db 'AD1881A',0dh,0ah,00h |
| chip_AD1884 db 'AD1885 ',0dh,0ah,00h |
| chip_AD1885 db 'AD1885 ',0dh,0ah,00h |
| chip_AD1886 db 'AD1886 ',0dh,0ah,00h |
| chip_AD1886A db 'AD1886A',0dh,0ah,00h |
| chip_AD1887 db 'AD1887 ',0dh,0ah,00h |
| chip_AD1980 db 'AD1980 ',0dh,0ah,00h |
| chip_AD1985 db 'AD1985 ',0dh,0ah,00h |
| |
| ;Realtek |
| chip_ALC650 db 'ALC650 ',0dh,0ah,00h |
| chip_ALC650D db 'ALC650D',0dh,0ah,00h |
| chip_ALC650E db 'ALC650E',0dh,0ah,00h |
| chip_ALC650F db 'ALC650F',0dh,0ah,00h |
| chip_ALC655 db 'ALC655 ',0dh,0ah,00h |
| chip_ALC658 db 'ALC658 ',0dh,0ah,00h |
| chip_ALC658D db 'ALC658D',0dh,0ah,00h |
| chip_ALC850 db 'ALC850 ',0dh,0ah,00h |
| |
| ;CMedia |
| chip_CM9738 db 'CMI9738', 0dh,0ah,0 |
| chip_CM9739 db 'CMI9739', 0dh,0ah,0 |
| chip_CM9780 db 'CMI9780', 0dh,0ah,0 |
| chip_CM9761 db 'CMI9761', 0dh,0ah,0 |
| |