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kolibrios/kernel/branches/gfx_kernel/drivers/codec.inc
Mihail Semenyako (mike.dld) 8a1c0404e2 Updated gfx_kernel to revision
git-svn-id: svn://kolibrios.org@384 a494cfbc-eb01-0410-851d-a64ba20cac60
2007-03-03 17:43:42 +00:00

221 lines
4.9 KiB
PHP

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, 0x0B0B
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
; param
; eax= volume -10000 - 0 for both channels
align 4
set_master_vol:
cmp eax, 0
jl @F
xor eax, eax
jmp .set
@@:
cmp eax, -9450
jg .set
mov eax, -9450 ;clamp into 6 bits
.set:
cdq
mov ebx, -150
idiv ebx
mov ah, al
stdcall codec_write, dword CODEC_MASTER_VOL_REG
xor eax, eax
ret
align 4
proc get_master_vol stdcall, pvol:dword
stdcall codec_read, dword CODEC_MASTER_VOL_REG
and eax, 0x3F
imul eax, -150
mov ebx, [pvol]
mov [ebx], eax
xor eax, 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