WebSVN – Kolibri OS – Blame – /kernel/trunk/drivers/codec.inc

Rev	Author	Line No.	Line
168	serge	1
		2	proc detect_codec
		3	locals
		4	codec_id dd ?
		5	endl
		6
		7
		8	shl eax, 16
		9	mov [codec_id], eax
		10
		11
		12	or eax, [codec_id]
		13
		14
		15	and eax, 0xFFFFFF00
		16
		17
		18	@@:
		19	mov ebx, [edi]
		20	test ebx, ebx
		21	jz .unknown
		22
		23
		24	jne .next
		25	mov eax, [edi+4]
		26	mov [codec.ac_vendor_ids], eax
		27	stdcall detect_chip, [edi+8]
		28	ret
		29	.next:
		30	add edi, 12
		31	jmp @B
		32	.unknown:
		33	mov [codec.ac_vendor_ids], ac_unknown
		34	mov [codec.chip_ids], chip_unknown
		35	ret
		36	endp
		37
		38
		39	proc detect_chip stdcall, chip_tab:dword
		40
		41
		42	and eax, 0xFF
		43
		44
		45	@@:
		46	mov ebx, [edi]
		47	test ebx, ebx
		48	jz .unknown
		49
		50
		51	jne .next
		52	mov eax, [edi+4]
		53	mov [codec.chip_ids], eax
		54	ret
		55	.next:
		56	add edi, 8
		57	jmp @b
		58	.unknown:
		59	mov [codec.chip_ids], chip_unknown
		60	ret
		61	endp
		62
		63
		64	proc setup_codec
		65
		66
		67	stdcall codec_write, dword CODEC_AUX_VOL
		68
		69
		70	stdcall codec_write, dword CODEC_MASTER_VOL_REG
		71
		72
		73	stdcall codec_write, dword 0x0C
		74
		75
		76	stdcall codec_write, dword CODEC_PCM_OUT_REG
		77
		78
		79	stdcall codec_write, dword 0x10
		80
		81
		82	stdcall codec_write, dword 0x12
		83
		84
		85	stdcall codec_write, dword 0x16
		86
		87
		88
		89
		90
		91	or eax, BIT0 ; set VRA (BIT0)
		92	stdcall codec_write, dword CODEC_EXT_AUDIO_CTRL_REG
		93
		94
		95
		96
		97
		98
		99	ret
		100
		101
		102
		103
		104	proc set_master_vol stdcall, vol:dword
		105
		106
		107	mov ecx, 20644
		108	mov eax, [vol]
		109	cmp eax, 90
		110	jna @f
		111	mov eax, 90
		112	@@:
		113	mul ecx
		114	shr eax, 15
		115	sub ebx, eax
		116	mov ah, bl
		117	mov al, bl
		118	stdcall codec_write, dword CODEC_MASTER_VOL_REG
		119	ret
		120	endp
		121
		122
		123	proc get_master_vol stdcall, pvol:dword
		124
		125
		126	and eax, 0x3F
		127	mov ebx, 63
		128	mov ecx, 20644
		129
		130
		131	sub eax, ebx
		132	shl eax, 15
		133	xor edx, edx
		134	div ecx
		135	mov ebx, [pvol]
		136	mov [ebx], eax
		137	ret
		138	endp
		139
		140
		141	proc set_sample_rate stdcall, rate:dword
		142	mov eax, [rate]
		143	stdcall codec_write, dword CODEC_PCM_FRONT_DACRATE_REG
		144	ret
		145	endp
		146
		147
		148	ac_unknown db 'unknown manufacturer',13,10,0
		149	ac_Realtek db 'Realtek Semiconductor',13,10,0
		150	ac_Analog db 'Analog Devices',13,10,0
		151	ac_CMedia db 'C-Media Electronics',13,10,0
		152	chip_unknown db 'unknown chip', 13,10,0
		153
		154
		155	CHIP_REALTEK equ 0x414C4700
		156	CHIP_CMEDIA equ 0x434D4900
		157
		158
		159	codecs dd CHIP_ANALOG, ac_Analog, chips_Analog
		160	dd CHIP_CMEDIA, ac_CMedia, chips_CMedia
		161	dd CHIP_REALTEK,ac_Realtek, chips_Realtek
		162	dd 0
		163
		164
		165	chips_Analog dd 0x03, chip_AD1819
		166	dd 0x40, chip_AD1881
		167	dd 0x48, chip_AD1881A
		168	dd 0x60, chip_AD1884
		169	dd 0x61, chip_AD1886
		170	dd 0x62, chip_AD1887
		171	dd 0x63, chip_AD1886A
		172	dd 0x70, chip_AD1980
		173	dd 0x75, chip_AD1985
		174	dd 0
		175
		176
		177	dd 0x21, chip_ALC650D
		178	dd 0x22, chip_ALC650E
		179	dd 0x23, chip_ALC650F
		180	dd 0x60, chip_ALC655
		181	dd 0x80, chip_ALC658
		182	dd 0x81, chip_ALC658D
		183	dd 0x90, chip_ALC850
		184	dd 0
		185
		186
		187	dd 0x61, chip_CM9739
		188	dd 0x69, chip_CM9780
		189	dd 0x78, chip_CM9761
		190	dd 0x82, chip_CM9761
		191	dd 0x83, chip_CM9761
		192	dd 0
		193
		194
		195	;Analog Devices
		196	chip_AD1819 db 'AD1819 ',0dh,0ah,00h
		197	chip_AD1881 db 'AD1881 ',0dh,0ah,00h
		198	chip_AD1881A db 'AD1881A',0dh,0ah,00h
		199	chip_AD1884 db 'AD1885 ',0dh,0ah,00h
		200	chip_AD1885 db 'AD1885 ',0dh,0ah,00h
		201	chip_AD1886 db 'AD1886 ',0dh,0ah,00h
		202	chip_AD1886A db 'AD1886A',0dh,0ah,00h
		203	chip_AD1887 db 'AD1887 ',0dh,0ah,00h
		204	chip_AD1980 db 'AD1980 ',0dh,0ah,00h
		205	chip_AD1985 db 'AD1985 ',0dh,0ah,00h
		206
		207
		208	chip_ALC650 db 'ALC650 ',0dh,0ah,00h
		209	chip_ALC650D db 'ALC650D',0dh,0ah,00h
		210	chip_ALC650E db 'ALC650E',0dh,0ah,00h
		211	chip_ALC650F db 'ALC650F',0dh,0ah,00h
		212	chip_ALC655 db 'ALC655 ',0dh,0ah,00h
		213	chip_ALC658 db 'ALC658 ',0dh,0ah,00h
		214	chip_ALC658D db 'ALC658D',0dh,0ah,00h
		215	chip_ALC850 db 'ALC850 ',0dh,0ah,00h
		216
		217
		218	chip_CM9738 db 'CMI9738', 0dh,0ah,0
		219	chip_CM9739 db 'CMI9739', 0dh,0ah,0
		220	chip_CM9780 db 'CMI9780', 0dh,0ah,0
		221	chip_CM9761 db 'CMI9761', 0dh,0ah,0
		222

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(root)/kernel/trunk/drivers/codec.inc @ 431 – Rev 168