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
		10	locals
		11	codec_id dd ?
		12	endl
		13
		14	stdcall codec_read, dword 0x7C
		15	shl eax, 16
		16	mov [codec_id], eax
		17
		18	stdcall codec_read, dword 0x7E
		19	or eax, [codec_id]
		20
		21	mov [codec.chip_id], eax
		22	and eax, 0xFFFFFF00
		23
		24	mov edi, codecs
		25	@@:
		26	mov ebx, [edi]
		27	test ebx, ebx
		28	jz .unknown
		29
		30	cmp eax, ebx
		31	jne .next
		32	mov eax, [edi+4]
		33	mov [codec.ac_vendor_ids], eax
		34	stdcall detect_chip, [edi+8]
		35	ret
		36	.next:
		37	add edi, 12
		38	jmp @B
		39	.unknown:
		40	mov [codec.ac_vendor_ids], ac_unknown
		41	mov [codec.chip_ids], chip_unknown
		42	ret
		43	endp
		44
		45	align 4
		46	proc detect_chip stdcall, chip_tab:dword
		47
		48	mov eax, [codec.chip_id]
		49	and eax, 0xFF
		50
		51	mov edi, [chip_tab]
		52	@@:
		53	mov ebx, [edi]
		54	test ebx, ebx
		55	jz .unknown
		56
		57	cmp eax,ebx
		58	jne .next
		59	mov eax, [edi+4]
		60	mov [codec.chip_ids], eax
		61	ret
		62	.next:
		63	add edi, 8
		64	jmp @b
		65	.unknown:
		66	mov [codec.chip_ids], chip_unknown
		67	ret
		68	endp
		69
		70	align 4
		71	proc setup_codec
		72
		73	xor eax, eax
		74	stdcall codec_write, dword CODEC_AUX_VOL
		75
378	serge	76	mov eax, 0x0B0B
168	serge	77	stdcall codec_write, dword CODEC_MASTER_VOL_REG
		78
		79	mov ax, 0x08
		80	stdcall codec_write, dword 0x0C
		81
		82	mov ax, 0x0808
		83	stdcall codec_write, dword CODEC_PCM_OUT_REG
		84
		85	mov ax, 0x0808
		86	stdcall codec_write, dword 0x10
		87
		88	mov ax, 0x0808
		89	stdcall codec_write, dword 0x12
		90
		91	mov ax, 0x0808
		92	stdcall codec_write, dword 0x16
		93
		94
		95	stdcall codec_read, dword CODEC_EXT_AUDIO_CTRL_REG
		96
		97	and eax, 0FFFFh - BIT1 ; clear DRA (BIT1)
		98	or eax, BIT0 ; set VRA (BIT0)
		99	stdcall codec_write, dword CODEC_EXT_AUDIO_CTRL_REG
		100
		101	stdcall set_sample_rate, dword 48000
		102
		103	.init_error:
		104
		105	xor eax, eax ; exit with error
		106	ret
		107	endp
		108
378	serge	109
		110	; param
		111	; eax= volume -10000 - 0 for both channels
		112
168	serge	113	align 4
378	serge	114	set_master_vol:
		115	cmp eax, 0
		116	jl @F
		117	xor eax, eax
		118	jmp .set
168	serge	119	@@:
378	serge	120	cmp eax, -9450
		121	jg .set
		122	mov eax, -9450 ;clamp into 6 bits
		123	.set:
		124	cdq
		125	mov ebx, -150
		126	idiv ebx
		127	mov ah, al
168	serge	128	stdcall codec_write, dword CODEC_MASTER_VOL_REG
378	serge	129	xor eax, eax
168	serge	130	ret
		131
		132	align 4
		133	proc get_master_vol stdcall, pvol:dword
		134
		135	stdcall codec_read, dword CODEC_MASTER_VOL_REG
		136	and eax, 0x3F
378	serge	137	imul eax, -150
168	serge	138	mov ebx, [pvol]
		139	mov [ebx], eax
378	serge	140	xor eax, eax
168	serge	141	ret
		142	endp
		143
		144	align 4
		145	proc set_sample_rate stdcall, rate:dword
		146	mov eax, [rate]
		147	stdcall codec_write, dword CODEC_PCM_FRONT_DACRATE_REG
		148	ret
		149	endp
		150
		151	align 16
		152	ac_unknown db 'unknown manufacturer',13,10,0
		153	ac_Realtek db 'Realtek Semiconductor',13,10,0
		154	ac_Analog db 'Analog Devices',13,10,0
		155	ac_CMedia db 'C-Media Electronics',13,10,0
		156	chip_unknown db 'unknown chip', 13,10,0
		157
		158	CHIP_ANALOG equ 0x41445300
		159	CHIP_REALTEK equ 0x414C4700
		160	CHIP_CMEDIA equ 0x434D4900
		161
		162	align 16
		163	codecs dd CHIP_ANALOG, ac_Analog, chips_Analog
		164	dd CHIP_CMEDIA, ac_CMedia, chips_CMedia
		165	dd CHIP_REALTEK,ac_Realtek, chips_Realtek
		166	dd 0
		167
		168	align 16
		169	chips_Analog dd 0x03, chip_AD1819
		170	dd 0x40, chip_AD1881
		171	dd 0x48, chip_AD1881A
		172	dd 0x60, chip_AD1884
		173	dd 0x61, chip_AD1886
		174	dd 0x62, chip_AD1887
		175	dd 0x63, chip_AD1886A
		176	dd 0x70, chip_AD1980
		177	dd 0x75, chip_AD1985
		178	dd 0
		179
		180	chips_Realtek dd 0x20, chip_ALC650
		181	dd 0x21, chip_ALC650D
		182	dd 0x22, chip_ALC650E
		183	dd 0x23, chip_ALC650F
		184	dd 0x60, chip_ALC655
		185	dd 0x80, chip_ALC658
		186	dd 0x81, chip_ALC658D
		187	dd 0x90, chip_ALC850
		188	dd 0
		189
		190	chips_CMedia dd 0x41, chip_CM9738
		191	dd 0x61, chip_CM9739
		192	dd 0x69, chip_CM9780
		193	dd 0x78, chip_CM9761
		194	dd 0x82, chip_CM9761
		195	dd 0x83, chip_CM9761
		196	dd 0
		197
		198	align 16
		199	;Analog Devices
		200	chip_AD1819 db 'AD1819 ',0dh,0ah,00h
		201	chip_AD1881 db 'AD1881 ',0dh,0ah,00h
		202	chip_AD1881A db 'AD1881A',0dh,0ah,00h
		203	chip_AD1884 db 'AD1885 ',0dh,0ah,00h
		204	chip_AD1885 db 'AD1885 ',0dh,0ah,00h
		205	chip_AD1886 db 'AD1886 ',0dh,0ah,00h
		206	chip_AD1886A db 'AD1886A',0dh,0ah,00h
		207	chip_AD1887 db 'AD1887 ',0dh,0ah,00h
		208	chip_AD1980 db 'AD1980 ',0dh,0ah,00h
		209	chip_AD1985 db 'AD1985 ',0dh,0ah,00h
		210
		211	;Realtek
		212	chip_ALC650 db 'ALC650 ',0dh,0ah,00h
		213	chip_ALC650D db 'ALC650D',0dh,0ah,00h
		214	chip_ALC650E db 'ALC650E',0dh,0ah,00h
		215	chip_ALC650F db 'ALC650F',0dh,0ah,00h
		216	chip_ALC655 db 'ALC655 ',0dh,0ah,00h
		217	chip_ALC658 db 'ALC658 ',0dh,0ah,00h
		218	chip_ALC658D db 'ALC658D',0dh,0ah,00h
		219	chip_ALC850 db 'ALC850 ',0dh,0ah,00h
		220
		221	;CMedia
		222	chip_CM9738 db 'CMI9738', 0dh,0ah,0
		223	chip_CM9739 db 'CMI9739', 0dh,0ah,0
		224	chip_CM9780 db 'CMI9780', 0dh,0ah,0
		225	chip_CM9761 db 'CMI9761', 0dh,0ah,0
		226

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