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

Rev	Author	Line No.	Line
431	serge	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
168	serge	7
		8	align 4
		9	proc detect_codec
562	serge	10	locals
		11	codec_id dd ?
		12	endl
168	serge	13
562	serge	14	stdcall codec_read, dword 0x7C
		15	shl eax, 16
		16	mov [codec_id], eax
168	serge	17
562	serge	18	stdcall codec_read, dword 0x7E
		19	or eax, [codec_id]
168	serge	20
562	serge	21	mov [codec.chip_id], eax
		22	and eax, 0xFFFFFF00
168	serge	23
562	serge	24	mov edi, codecs
168	serge	25	@@:
562	serge	26	mov ebx, [edi]
		27	test ebx, ebx
		28	jz .unknown
168	serge	29
562	serge	30	cmp eax, ebx
		31	jne .next
		32	mov eax, [edi+4]
		33	mov [codec.ac_vendor_ids], eax
		34	mov esi, eax
		35	call SysMsgBoardStr
		36	stdcall detect_chip, [edi+8]
		37
		38	ret
168	serge	39	.next:
562	serge	40	add edi, 12
		41	jmp @B
168	serge	42	.unknown:
562	serge	43	mov [codec.ac_vendor_ids], ac_unknown
		44	mov [codec.chip_ids], chip_unknown
		45
		46	mov esi, chip_unknown
		47	call SysMsgBoardStr
		48	mov eax, [codec.chip_id]
		49	call dword2str
		50	call SysMsgBoardStr
		51	ret
168	serge	52	endp
		53
		54	align 4
		55	proc detect_chip stdcall, chip_tab:dword
		56
562	serge	57	mov eax, [codec.chip_id]
		58	and eax, 0xFF
168	serge	59
562	serge	60	mov edi, [chip_tab]
168	serge	61	@@:
562	serge	62	mov ebx, [edi]
		63	test ebx, ebx
		64	jz .unknown
168	serge	65
562	serge	66	cmp eax,ebx
		67	jne .next
		68	mov eax, [edi+4]
		69	mov [codec.chip_ids], eax
		70	ret
168	serge	71	.next:
562	serge	72	add edi, 8
		73	jmp @b
168	serge	74	.unknown:
562	serge	75	mov [codec.chip_ids], chip_unknown
		76	mov esi, chip_unknown
		77	call SysMsgBoardStr
		78	mov eax, [codec.chip_id]
		79	call dword2str
		80	call SysMsgBoardStr
		81	ret
168	serge	82	endp
		83
		84	align 4
		85	proc setup_codec
		86
562	serge	87	xor eax, eax
		88	stdcall codec_write, dword CODEC_AUX_VOL
168	serge	89
562	serge	90	mov eax, 0x0B0B
		91	stdcall codec_write, dword CODEC_MASTER_VOL_REG
168	serge	92
562	serge	93	mov ax, 0x08
		94	stdcall codec_write, dword 0x0C
168	serge	95
562	serge	96	mov ax, 0x0808
		97	stdcall codec_write, dword CODEC_PCM_OUT_REG
168	serge	98
562	serge	99	mov ax, 0x0808
		100	stdcall codec_write, dword 0x10
168	serge	101
562	serge	102	mov ax, 0x0808
		103	stdcall codec_write, dword 0x12
168	serge	104
562	serge	105	mov ax, 0x0808
		106	stdcall codec_write, dword 0x16
168	serge	107
		108
562	serge	109	stdcall codec_read, dword CODEC_EXT_AUDIO_CTRL_REG
		110	and eax, 0FFFFh - BIT1 ; clear DRA (BIT1)
		111	or eax, BIT0 ; set VRA (BIT0)
		112	stdcall codec_write, dword CODEC_EXT_AUDIO_CTRL_REG
168	serge	113
562	serge	114	stdcall set_sample_rate, dword 48000
168	serge	115
		116	.init_error:
562	serge	117	xor eax, eax ; exit with error
		118	ret
168	serge	119	endp
		120
378	serge	121
		122	; param
		123	; eax= volume -10000 - 0 for both channels
		124
168	serge	125	align 4
378	serge	126	set_master_vol:
		127	cmp eax, 0
		128	jl @F
		129	xor eax, eax
		130	jmp .set
168	serge	131	@@:
378	serge	132	cmp eax, -9450
		133	jg .set
		134	mov eax, -9450 ;clamp into 6 bits
		135	.set:
		136	cdq
		137	mov ebx, -150
		138	idiv ebx
		139	mov ah, al
562	serge	140	stdcall codec_write, dword CODEC_MASTER_VOL_REG
378	serge	141	xor eax, eax
562	serge	142	ret
168	serge	143
		144	align 4
		145	proc get_master_vol stdcall, pvol:dword
		146
562	serge	147	stdcall codec_read, dword CODEC_MASTER_VOL_REG
		148	and eax, 0x3F
378	serge	149	imul eax, -150
168	serge	150	mov ebx, [pvol]
		151	mov [ebx], eax
378	serge	152	xor eax, eax
562	serge	153	ret
168	serge	154	endp
		155
		156	align 4
		157	proc set_sample_rate stdcall, rate:dword
562	serge	158	mov eax, [rate]
		159	stdcall codec_write, dword CODEC_PCM_FRONT_DACRATE_REG
		160	ret
168	serge	161	endp
		162
		163	align 16
		164	ac_unknown db 'unknown manufacturer',13,10,0
		165	ac_Realtek db 'Realtek Semiconductor',13,10,0
		166	ac_Analog db 'Analog Devices',13,10,0
		167	ac_CMedia db 'C-Media Electronics',13,10,0
562	serge	168	chip_unknown db 'unknown codec id ', 0
168	serge	169
		170	CHIP_ANALOG equ 0x41445300
		171	CHIP_REALTEK equ 0x414C4700
		172	CHIP_CMEDIA equ 0x434D4900
		173
		174	align 16
		175	codecs dd CHIP_ANALOG, ac_Analog, chips_Analog
562	serge	176	dd CHIP_CMEDIA, ac_CMedia, chips_CMedia
		177	dd CHIP_REALTEK,ac_Realtek, chips_Realtek
168	serge	178	dd 0
		179
		180	align 16
		181	chips_Analog dd 0x03, chip_AD1819
562	serge	182	dd 0x40, chip_AD1881
		183	dd 0x48, chip_AD1881A
		184	dd 0x60, chip_AD1884
		185	dd 0x61, chip_AD1886
		186	dd 0x62, chip_AD1887
		187	dd 0x63, chip_AD1886A
		188	dd 0x70, chip_AD1980
		189	dd 0x75, chip_AD1985
		190	dd 0
168	serge	191
562	serge	192	chips_Realtek:
		193	dd 0x20, chip_ALC650
		194	dd 0x21, chip_ALC650D
		195	dd 0x22, chip_ALC650E
		196	dd 0x23, chip_ALC650F
		197	dd 0x60, chip_ALC655
		198	dd 0x80, chip_ALC658
		199	dd 0x81, chip_ALC658D
		200	dd 0x90, chip_ALC850
		201	dd 0
168	serge	202
		203	chips_CMedia dd 0x41, chip_CM9738
562	serge	204	dd 0x61, chip_CM9739
		205	dd 0x69, chip_CM9780
		206	dd 0x78, chip_CM9761
		207	dd 0x82, chip_CM9761
		208	dd 0x83, chip_CM9761
		209	dd 0
168	serge	210
		211	align 16
		212	;Analog Devices
		213	chip_AD1819 db 'AD1819 ',0dh,0ah,00h
		214	chip_AD1881 db 'AD1881 ',0dh,0ah,00h
		215	chip_AD1881A db 'AD1881A',0dh,0ah,00h
		216	chip_AD1884 db 'AD1885 ',0dh,0ah,00h
		217	chip_AD1885 db 'AD1885 ',0dh,0ah,00h
		218	chip_AD1886 db 'AD1886 ',0dh,0ah,00h
		219	chip_AD1886A db 'AD1886A',0dh,0ah,00h
		220	chip_AD1887 db 'AD1887 ',0dh,0ah,00h
		221	chip_AD1980 db 'AD1980 ',0dh,0ah,00h
		222	chip_AD1985 db 'AD1985 ',0dh,0ah,00h
		223
		224	;Realtek
		225	chip_ALC650 db 'ALC650 ',0dh,0ah,00h
		226	chip_ALC650D db 'ALC650D',0dh,0ah,00h
		227	chip_ALC650E db 'ALC650E',0dh,0ah,00h
		228	chip_ALC650F db 'ALC650F',0dh,0ah,00h
		229	chip_ALC655 db 'ALC655 ',0dh,0ah,00h
		230	chip_ALC658 db 'ALC658 ',0dh,0ah,00h
		231	chip_ALC658D db 'ALC658D',0dh,0ah,00h
		232	chip_ALC850 db 'ALC850 ',0dh,0ah,00h
		233
		234	;CMedia
		235	chip_CM9738 db 'CMI9738', 0dh,0ah,0
		236	chip_CM9739 db 'CMI9739', 0dh,0ah,0
		237	chip_CM9780 db 'CMI9780', 0dh,0ah,0
		238	chip_CM9761 db 'CMI9761', 0dh,0ah,0
		239

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(root)/kernel/trunk/drivers/codec.inc – Rev 562