WebSVN – Kolibri OS – Blame – /drivers/audio/vt823x.asm

Rev	Author	Line No.	Line
2288	clevermous	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
4496	Asper	3	;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;;
2288	clevermous	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
5077	clevermous	8	format PE DLL native 0.05
		9	entry START
2288	clevermous	10
		11	DEBUG equ 1
		12
		13	API_VERSION equ 0x01000100
		14
		15	USE_COM_IRQ equ 0 ;make irq 3 and irq 4 available for PCI devices
		16	IRQ_REMAP equ 0
		17	IRQ_LINE equ 0
		18
		19
4496	Asper	20	;irq 0,1,2,8,12,13 unavailable
2288	clevermous	21	; FEDCBA9876543210
		22	VALID_IRQ equ 1100111011111000b
		23	ATTCH_IRQ equ 0000111010100000b
		24
		25	if USE_COM_IRQ
		26	ATTCH_IRQ equ 0000111010111000b
		27	end if
		28
		29	CPU_FREQ equ 2600d
		30
		31	BIT0 EQU 0x00000001
		32	BIT1 EQU 0x00000002
		33	BIT5 EQU 0x00000020
		34	BIT10 EQU 0x00000400
		35
		36	VID_VIA equ 0x1106
		37
		38	CTRL_VT82C686 equ 0x3058
		39	CTRL_VT8233_5 equ 0x3059
		40
		41
		42	CODEC_MASTER_VOL_REG equ 0x02
		43	CODEC_AUX_VOL equ 0x04 ;
		44	CODEC_PCM_OUT_REG equ 0x18 ; PCM output volume
		45	CODEC_EXT_AUDIO_REG equ 0x28 ; extended audio
		46	CODEC_EXT_AUDIO_CTRL_REG equ 0x2a ; extended audio control
		47	CODEC_PCM_FRONT_DACRATE_REG equ 0x2c ; PCM out sample rate
		48	CODEC_PCM_SURND_DACRATE_REG equ 0x2e ; surround sound sample rate
		49	CODEC_PCM_LFE_DACRATE_REG equ 0x30 ; LFE sample rate
		50
		51
		52	;VIA host controller registers set
		53	;; common offsets
		54	VIA_REG_OFFSET_STATUS equ 0x00 ;; byte - channel status
		55	VIA_REG_STAT_ACTIVE equ 0x80 ;; RO
		56	VIA_REG_STAT_PAUSED equ 0x40 ;; RO
		57	VIA_REG_STAT_TRIGGER_QUEUED equ 0x08 ;; RO
		58	VIA_REG_STAT_STOPPED equ 0x04 ;; RWC
		59	VIA_REG_STAT_EOL equ 0x02 ;; RWC
		60	VIA_REG_STAT_FLAG equ 0x01 ;; RWC
		61	VIA_REG_OFFSET_CONTROL equ 0x01 ;; byte - channel control
		62	VIA_REG_CTRL_START equ 0x80 ;; WO
		63	VIA_REG_CTRL_TERMINATE equ 0x40 ;; WO
		64	VIA_REG_CTRL_AUTOSTART equ 0x20
		65	VIA_REG_CTRL_PAUSE equ 0x08 ;; RW
		66	VIA_REG_CTRL_INT_STOP equ 0x04
		67	VIA_REG_CTRL_INT_EOL equ 0x02
		68	VIA_REG_CTRL_INT_FLAG equ 0x01
		69	VIA_REG_CTRL_RESET equ 0x01 ;; RW - probably reset? undocumented
		70	VIA_REG_CTRL_INT equ (VIA_REG_CTRL_INT_FLAG or \
		71	VIA_REG_CTRL_INT_EOL or \
		72	VIA_REG_CTRL_AUTOSTART)
		73	VIA_REG_OFFSET_TYPE equ 0x02 ;; byte - channel type (686 only)
		74	VIA_REG_TYPE_AUTOSTART equ 0x80 ;; RW - autostart at EOL
		75	VIA_REG_TYPE_16BIT equ 0x20 ;; RW
		76	VIA_REG_TYPE_STEREO equ 0x10 ;; RW
		77	VIA_REG_TYPE_INT_LLINE equ 0x00
		78	VIA_REG_TYPE_INT_LSAMPLE equ 0x04
		79	VIA_REG_TYPE_INT_LESSONE equ 0x08
		80	VIA_REG_TYPE_INT_MASK equ 0x0c
		81	VIA_REG_TYPE_INT_EOL equ 0x02
		82	VIA_REG_TYPE_INT_FLAG equ 0x01
		83	VIA_REG_OFFSET_TABLE_PTR equ 0x04 ;; dword - channel table pointer
		84	VIA_REG_OFFSET_CURR_PTR equ 0x04 ;; dword - channel current pointer
		85	VIA_REG_OFFSET_STOP_IDX equ 0x08 ;; dword - stop index, channel type, sample rate
		86	VIA8233_REG_TYPE_16BIT equ 0x00200000 ;; RW
		87	VIA8233_REG_TYPE_STEREO equ 0x00100000 ;; RW
		88	VIA_REG_OFFSET_CURR_COUNT equ 0x0c ;; dword - channel current count (24 bit)
		89	VIA_REG_OFFSET_CURR_INDEX equ 0x0f ;; byte - channel current index (for via8233 only)
		90
		91
		92	VIADEV_PLAYBACK equ 0x00
		93	VIADEV_CAPTURE equ 0x10
		94	VIADEV_FM equ 0x20
		95
		96	;; AC'97 ;;
		97	VIA_REG_AC97 equ 0x80 ; dword
		98	VIA_REG_AC97_CODEC_ID_MASK equ 0xC0000000 ;(3<<30)
		99	VIA_REG_AC97_CODEC_ID_SHIFT equ 30
		100	VIA_REG_AC97_CODEC_ID_PRIMARY equ 0x00
		101	VIA_REG_AC97_CODEC_ID_SECONDARY equ 0x01
		102	VIA_REG_AC97_SECONDARY_VALID equ 0x08000000 ;(1<<27)
		103	VIA_REG_AC97_PRIMARY_VALID equ 0x02000000 ;(1<<25)
		104	VIA_REG_AC97_BUSY equ 0x01000000 ;(1<<24)
		105	VIA_REG_AC97_READ equ 0x00800000 ;(1<<23)
		106	VIA_REG_AC97_CMD_SHIFT equ 16
		107	VIA_REG_AC97_CMD_MASK equ 0x7E
		108	VIA_REG_AC97_DATA_SHIFT equ 0
		109	VIA_REG_AC97_DATA_MASK equ 0xFFFF
		110
		111	VIA_REG_SGD_SHADOW equ 0x84 ; dword
		112
		113	;; via8233-specific registers ;;
		114	VIA_REG_OFS_PLAYBACK_VOLUME_L equ 0x02 ;; byte
		115	VIA_REG_OFS_PLAYBACK_VOLUME_R equ 0x03 ;; byte
		116	VIA_REG_OFS_MULTPLAY_FORMAT equ 0x02 ;; byte - format and channels
		117	VIA_REG_MULTPLAY_FMT_8BIT equ 0x00
		118	VIA_REG_MULTPLAY_FMT_16BIT equ 0x80
		119	VIA_REG_MULTPLAY_FMT_CH_MASK equ 0x70 ;; # channels << 4 (valid = 1,2,4,6)
		120	VIA_REG_OFS_CAPTURE_FIFO equ 0x02 ;; byte - bit 6 = fifo enable
		121	VIA_REG_CAPTURE_FIFO_ENABLE equ 0x40
		122
		123	VIA_DXS_MAX_VOLUME equ 31 ;; max. volume (attenuation) of reg 0x32/33
		124
		125	VIA_TBL_BIT_FLAG equ 0x40000000
		126	VIA_TBL_BIT_EOL equ 0x80000000
		127
		128	;; pci space ;;
		129	VIA_ACLINK_STAT equ 0x40
		130	;...
		131	VIA_ACLINK_C00_READY equ 0x01 ; primary codec ready
		132	VIA_ACLINK_CTRL equ 0x41
		133	VIA_ACLINK_CTRL_ENABLE equ 0x80 ; 0: disable, 1: enable
		134	VIA_ACLINK_CTRL_RESET equ 0x40 ; 0: assert, 1: de-assert
		135	VIA_ACLINK_CTRL_SYNC equ 0x20 ; 0: release SYNC, 1: force SYNC hi
		136	VIA_ACLINK_CTRL_SDO equ 0x10 ; 0: release SDO, 1: force SDO hi
		137	VIA_ACLINK_CTRL_VRA equ 0x08 ; 0: disable VRA, 1: enable VRA
		138	VIA_ACLINK_CTRL_PCM equ 0x04 ; 0: disable PCM, 1: enable PCM
		139	VIA_ACLINK_CTRL_FM equ 0x02 ; via686 only
		140	VIA_ACLINK_CTRL_SB equ 0x01 ; via686 only
		141	VIA_ACLINK_CTRL_INIT equ (VIA_ACLINK_CTRL_ENABLE or \
		142	VIA_ACLINK_CTRL_RESET or \
		143	VIA_ACLINK_CTRL_PCM or \
		144	VIA_ACLINK_CTRL_VRA)
		145	VIA_FUNC_ENABLE equ 0x42
		146	VIA_FUNC_MIDI_PNP equ 0x80 ; FIXME: it's 0x40 in the datasheet!
		147	VIA_FUNC_MIDI_IRQMASK equ 0x40 ; FIXME: not documented!
		148	VIA_FUNC_RX2C_WRITE equ 0x20
		149	VIA_FUNC_SB_FIFO_EMPTY equ 0x10
		150	VIA_FUNC_ENABLE_GAME equ 0x08
		151	VIA_FUNC_ENABLE_FM equ 0x04
		152	VIA_FUNC_ENABLE_MIDI equ 0x02
		153	VIA_FUNC_ENABLE_SB equ 0x01
		154	VIA_PNP_CONTROL equ 0x43
		155	VIA_FM_NMI_CTRL equ 0x48
		156	VIA8233_VOLCHG_CTRL equ 0x48
		157	VIA8233_SPDIF_CTRL equ 0x49
		158	VIA8233_SPDIF_DX3 equ 0x08
		159	VIA8233_SPDIF_SLOT_MASK equ 0x03
		160	VIA8233_SPDIF_SLOT_1011 equ 0x00
		161	VIA8233_SPDIF_SLOT_34 equ 0x01
		162	VIA8233_SPDIF_SLOT_78 equ 0x02
		163	VIA8233_SPDIF_SLOT_69 equ 0x03
		164	;] Asper
		165
		166
		167	SRV_GETVERSION equ 0
		168	DEV_PLAY equ 1
		169	DEV_STOP equ 2
		170	DEV_CALLBACK equ 3
		171	DEV_SET_BUFF equ 4
		172	DEV_NOTIFY equ 5
		173	DEV_SET_MASTERVOL equ 6
		174	DEV_GET_MASTERVOL equ 7
		175	DEV_GET_INFO equ 8
4496	Asper	176	DEV_GET_POS equ 9
2288	clevermous	177
		178	struc AC_CNTRL ;AC controller base class
		179	{ .bus dd ?
		180	.devfn dd ?
		181
		182	.vendor dd ?
		183	.dev_id dd ?
		184	.pci_cmd dd ?
		185	.pci_stat dd ?
		186
		187	.codec_io_base dd ?
		188	.codec_mem_base dd ?
		189
		190	.ctrl_io_base dd ?
		191	.ctrl_mem_base dd ?
		192	.cfg_reg dd ?
		193	.int_line dd ?
		194
		195	.vendor_ids dd ? ;vendor id string
		196	.ctrl_ids dd ? ;hub id string
		197
		198	.buffer dd ?
		199
		200	.notify_pos dd ?
		201	.notify_task dd ?
		202
		203	.lvi_reg dd ?
		204	.ctrl_setup dd ?
		205	.user_callback dd ?
		206	.codec_read16 dd ?
		207	.codec_write16 dd ?
		208
		209	.ctrl_read8 dd ?
		210	.ctrl_read16 dd ?
		211	.ctrl_read32 dd ?
		212
		213	.ctrl_write8 dd ?
		214	.ctrl_write16 dd ?
		215	.ctrl_write32 dd ?
		216	}
		217
		218	struc CODEC ;Audio Chip base class
		219	{
		220	.chip_id dd ?
		221	.flags dd ?
		222	.status dd ?
		223
		224	.ac_vendor_ids dd ? ;ac vendor id string
		225	.chip_ids dd ? ;chip model string
		226
		227	.shadow_flag dd ?
		228	dd ?
		229
		230	.regs dw ? ; codec registers
		231	.reg_master_vol dw ? ;0x02
		232	.reg_aux_out_vol dw ? ;0x04
		233	.reg_mone_vol dw ? ;0x06
		234	.reg_master_tone dw ? ;0x08
		235	.reg_beep_vol dw ? ;0x0A
		236	.reg_phone_vol dw ? ;0x0C
		237	.reg_mic_vol dw ? ;0x0E
		238	.reg_line_in_vol dw ? ;0x10
		239	.reg_cd_vol dw ? ;0x12
		240	.reg_video_vol dw ? ;0x14
		241	.reg_aux_in_vol dw ? ;0x16
		242	.reg_pcm_out_vol dw ? ;0x18
		243	.reg_rec_select dw ? ;0x1A
		244	.reg_rec_gain dw ? ;0x1C
		245	.reg_rec_gain_mic dw ? ;0x1E
		246	.reg_gen dw ? ;0x20
		247	.reg_3d_ctrl dw ? ;0X22
		248	.reg_page dw ? ;0X24
		249	.reg_powerdown dw ? ;0x26
		250	.reg_ext_audio dw ? ;0x28
		251	.reg_ext_st dw ? ;0x2a
		252	.reg_pcm_front_rate dw ? ;0x2c
		253	.reg_pcm_surr_rate dw ? ;0x2e
		254	.reg_lfe_rate dw ? ;0x30
		255	.reg_pcm_in_rate dw ? ;0x32
		256	dw ? ;0x34
		257	.reg_cent_lfe_vol dw ? ;0x36
		258	.reg_surr_vol dw ? ;0x38
		259	.reg_spdif_ctrl dw ? ;0x3A
		260	dw ? ;0x3C
		261	dw ? ;0x3E
		262	dw ? ;0x40
		263	dw ? ;0x42
		264	dw ? ;0x44
		265	dw ? ;0x46
		266	dw ? ;0x48
		267	dw ? ;0x4A
		268	dw ? ;0x4C
		269	dw ? ;0x4E
		270	dw ? ;0x50
		271	dw ? ;0x52
		272	dw ? ;0x54
		273	dw ? ;0x56
		274	dw ? ;0x58
		275	dw ? ;0x5A
		276	dw ? ;0x5C
		277	dw ? ;0x5E
		278	.reg_page_0 dw ? ;0x60
		279	.reg_page_1 dw ? ;0x62
		280	.reg_page_2 dw ? ;0x64
		281	.reg_page_3 dw ? ;0x66
		282	.reg_page_4 dw ? ;0x68
		283	.reg_page_5 dw ? ;0x6A
		284	.reg_page_6 dw ? ;0x6C
		285	.reg_page_7 dw ? ;0x6E
		286	dw ? ;0x70
		287	dw ? ;0x72
		288	dw ? ;0x74
		289	dw ? ;0x76
		290	dw ? ;0x78
		291	dw ? ;0x7A
		292	.reg_vendor_id_1 dw ? ;0x7C
		293	.reg_vendor_id_2 dw ? ;0x7E
		294
		295
4496	Asper	296	.reset dd ? ;virtual
2288	clevermous	297	.set_master_vol dd ?
		298	}
		299
		300	struc CTRL_INFO
		301	{ .pci_cmd dd ?
		302	.irq dd ?
		303	.glob_cntrl dd ?
		304	.glob_sta dd ?
		305	.codec_io_base dd ?
		306	.ctrl_io_base dd ?
		307	.codec_mem_base dd ?
		308	.ctrl_mem_base dd ?
		309	.codec_id dd ?
		310	}
		311
		312	EVENT_NOTIFY equ 0x00000200
		313
5077	clevermous	314	section '.flat' code readable writable executable
		315	include '../struct.inc'
		316	include '../macros.inc'
		317	include '../proc32.inc'
		318	include '../peimport.inc'
2288	clevermous	319
5077	clevermous	320	proc START c, state:dword, cmdline:dword
2288	clevermous	321
		322	cmp [state], 1
		323	jne .stop
		324
		325	if DEBUG
		326	mov esi, msgInit
5077	clevermous	327	invoke SysMsgBoardStr
2288	clevermous	328	end if
		329
		330	call detect_controller
		331	test eax, eax
		332	jz .fail
		333
		334	if DEBUG
		335	mov esi, [ctrl.vendor_ids]
5077	clevermous	336	invoke SysMsgBoardStr
2288	clevermous	337	mov esi, [ctrl.ctrl_ids]
5077	clevermous	338	invoke SysMsgBoardStr
2288	clevermous	339	end if
		340
		341	call init_controller
		342	test eax, eax
		343	jz .fail
		344
		345	call init_codec
		346	test eax, eax
		347	jz .fail
		348
		349	call setup_codec
		350
		351	mov esi, msgPrimBuff
5077	clevermous	352	invoke SysMsgBoardStr
2288	clevermous	353	call create_primary_buff
		354	mov esi, msgDone
5077	clevermous	355	invoke SysMsgBoardStr
2288	clevermous	356
		357	if IRQ_REMAP
		358	pushf
		359	cli
		360
		361	mov ebx, [ctrl.int_line]
		362	in al, 0xA1
		363	mov ah, al
		364	in al, 0x21
		365	test ebx, ebx
		366	jz .skip
		367	bts ax, bx ;mask old line
		368	.skip:
		369	bts ax, IRQ_LINE ;mask new ine
		370	out 0x21, al
		371	mov al, ah
		372	out 0xA1, al
		373
5077	clevermous	374	invoke PciWrite8, 0, 0xF8, 0x61, IRQ_LINE ;remap IRQ
2288	clevermous	375
		376	mov dx, 0x4d0 ;8259 ELCR1
		377	in al, dx
		378	bts ax, IRQ_LINE
		379	out dx, al ;set level-triggered mode
		380	mov [ctrl.int_line], IRQ_LINE
		381	popf
		382	mov esi, msgRemap
5077	clevermous	383	invoke SysMsgBoardStr
2288	clevermous	384	end if
		385
		386	mov eax, VALID_IRQ
		387	mov ebx, [ctrl.int_line]
		388	mov esi, msgInvIRQ
		389	bt eax, ebx
		390	jnc .fail_msg
		391	mov eax, ATTCH_IRQ
		392	mov esi, msgAttchIRQ
		393	bt eax, ebx
		394	jnc .fail_msg
		395
5077	clevermous	396	invoke AttachIntHandler, ebx, ac97_irq_VIA, 0
2288	clevermous	397	.reg:
5077	clevermous	398	invoke RegService, sz_sound_srv, service_proc
2288	clevermous	399	ret
		400	.fail:
		401	if DEBUG
		402	mov esi, msgFail
5077	clevermous	403	invoke SysMsgBoardStr
2288	clevermous	404	end if
		405	xor eax, eax
		406	ret
		407	.fail_msg:
5077	clevermous	408	invoke SysMsgBoardStr
2288	clevermous	409	xor eax, eax
		410	ret
		411	.stop:
		412	call stop
		413	xor eax, eax
		414	ret
		415	endp
		416
		417	handle equ IOCTL.handle
		418	io_code equ IOCTL.io_code
		419	input equ IOCTL.input
		420	inp_size equ IOCTL.inp_size
		421	output equ IOCTL.output
		422	out_size equ IOCTL.out_size
		423
		424	align 4
		425	proc service_proc stdcall, ioctl:dword
		426
		427	mov edi, [ioctl]
		428	mov eax, [edi+io_code]
		429
		430	cmp eax, SRV_GETVERSION
		431	jne @F
		432	mov eax, [edi+output]
		433	cmp [edi+out_size], 4
		434	jne .fail
		435
		436	mov [eax], dword API_VERSION
		437	xor eax, eax
		438	ret
		439	@@:
		440	cmp eax, DEV_PLAY
		441	jne @F
		442	if DEBUG
		443	mov esi, msgPlay
5077	clevermous	444	invoke SysMsgBoardStr
2288	clevermous	445	end if
		446	call play
		447	ret
		448	@@:
		449	cmp eax, DEV_STOP
		450	jne @F
		451	if DEBUG
		452	mov esi, msgStop
5077	clevermous	453	invoke SysMsgBoardStr
2288	clevermous	454	end if
		455	call stop
		456	ret
		457	@@:
		458	cmp eax, DEV_CALLBACK
		459	jne @F
		460	mov ebx, [edi+input]
		461	stdcall set_callback, [ebx]
		462	ret
		463	@@:
		464	cmp eax, DEV_SET_MASTERVOL
		465	jne @F
		466	mov eax, [edi+input]
		467	mov eax, [eax]
		468	call set_master_vol ;eax= vol
		469	ret
		470	@@:
		471	cmp eax, DEV_GET_MASTERVOL
		472	jne @F
		473	mov ebx, [edi+output]
		474	stdcall get_master_vol, ebx
		475	ret
		476	@@:
		477	cmp eax, DEV_GET_INFO
		478	jne @F
		479	mov ebx, [edi+output]
		480	stdcall get_dev_info, ebx
		481	ret
		482	@@:
4496	Asper	483	cmp eax, DEV_GET_POS
		484	jne @F
		485	push ebx edx
		486	mov edx, VIADEV_PLAYBACK + VIA_REG_OFFSET_CURR_COUNT
		487	call [ctrl.ctrl_read32]
		488	and eax, 0x00FFFFFF
		489	mov ebx, 4096
		490	sub ebx, eax
		491	shr ebx, 2
		492	mov edx, [edi+output]
		493	mov [edx], ebx
		494	pop edx ebx
		495	ret
		496	@@:
2288	clevermous	497	.fail:
		498	or eax, -1
		499	ret
		500	endp
		501
		502	restore handle
		503	restore io_code
		504	restore input
		505	restore inp_size
		506	restore output
		507	restore out_size
		508
		509
		510	align 4
		511	proc ac97_irq_VIA
		512	locals
		513	status db 0
		514	endl
		515
		516	mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STATUS
		517	call [ctrl.ctrl_read8]
		518	test al, VIA_REG_STAT_ACTIVE
		519	jz @f
		520
		521	and al, VIA_REG_STAT_EOL or VIA_REG_STAT_FLAG or VIA_REG_STAT_STOPPED
		522	mov byte [status], al
		523
		524	mov ebx, dword [buff_list]
		525	cmp [ctrl.user_callback], 0
		526	je @f
		527	stdcall [ctrl.user_callback], ebx
		528	@@:
		529	mov al, byte [status] ;; ack ;;
		530	mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STATUS
		531	call [ctrl.ctrl_write8]
		532
		533	ret
		534	endp
		535
		536
		537	align 4
		538	proc create_primary_buff
		539
5077	clevermous	540	invoke KernelAlloc, 0x10000
2288	clevermous	541	mov [ctrl.buffer], eax
		542
		543	mov edi, eax
		544	mov ecx, 0x10000/4
		545	xor eax, eax
		546	cld
		547	rep stosd
		548
		549	mov eax, [ctrl.buffer]
5077	clevermous	550	invoke GetPgAddr
2288	clevermous	551	mov edi, pcmout_bdl
		552	stosd
		553	mov eax, 0x80004000
		554	stosd
		555
		556	mov edi, buff_list
		557	mov eax, [ctrl.buffer]
		558	mov ecx, 4
		559	@@:
		560	mov [edi], eax
		561	mov [edi+16], eax
		562	mov [edi+32], eax
		563	mov [edi+48], eax
		564	mov [edi+64], eax
		565	mov [edi+80], eax
		566	mov [edi+96], eax
		567	mov [edi+112], eax
		568
		569	;add eax, 0x4000
		570	add edi, 4
		571	loop @B
		572
		573	stdcall channel_reset, VIADEV_PLAYBACK
		574	stdcall codec_check_ready
		575
		576	mov eax, pcmout_bdl
		577	mov ebx, eax
5077	clevermous	578	invoke GetPgAddr
2288	clevermous	579	and ebx, 0xFFF
		580	add eax, ebx
		581
		582	mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_TABLE_PTR
		583	call [ctrl.ctrl_write32]
		584
		585	stdcall codec_check_ready
		586
		587	mov edx, VIADEV_PLAYBACK +VIA_REG_OFS_PLAYBACK_VOLUME_L
		588	mov eax, 7 ;31
		589	call [ctrl.ctrl_write8]
		590
		591	mov edx, VIADEV_PLAYBACK +VIA_REG_OFS_PLAYBACK_VOLUME_R
		592	mov eax, 7 ;31
		593	call [ctrl.ctrl_write8]
		594
		595	mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STOP_IDX
		596	mov eax, VIA8233_REG_TYPE_16BIT or VIA8233_REG_TYPE_STEREO or 0xfffff or 0xff000000
		597	mov [ctrl.lvi_reg], 16 ;0xF;eax
		598	call [ctrl.ctrl_write32]
		599
		600	stdcall codec_check_ready
		601	ret
		602	endp
		603
		604
		605	proc channel_reset channel:dword
		606	mov esi, dword [channel]
		607	mov edx, esi
		608	add edx, VIA_REG_OFFSET_CONTROL
		609	mov eax, VIA_REG_CTRL_PAUSE or VIA_REG_CTRL_TERMINATE or VIA_REG_CTRL_RESET
		610	call [ctrl.ctrl_write8]
		611
		612	mov edx, esi
		613	add edx, VIA_REG_OFFSET_CONTROL
		614	call [ctrl.ctrl_read8]
		615
		616	mov eax, 50000 ; wait 50 ms
		617	call StallExec
		618	; disable interrupts
		619	mov edx, esi
		620	add edx, VIA_REG_OFFSET_CONTROL
		621	xor eax, eax
		622	call [ctrl.ctrl_write8]
		623
		624	; clear interrupts
		625	mov edx, esi
		626	add edx, VIA_REG_OFFSET_STATUS
		627	mov eax, 0x03
		628	call [ctrl.ctrl_write8]
		629
		630	;outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */
		631	; mov edx, esi ;; for via686
		632	; add edx, VIA_REG_OFFSET_TYPE
		633	; mov eax, 0x03
		634	; call [ctrl.ctrl_write8]
		635
		636	;; outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR));
		637	;mov edx, esi
		638	;add edx, VIA_REG_OFFSET_CURR_PTR
		639	;xor eax, eax
		640	;call [ctrl.ctrl_write8]
		641
		642	ret
		643	endp
		644
		645
		646	align 4
		647	proc detect_controller
		648	locals
		649	last_bus dd ?
		650	bus dd ?
		651	devfn dd ?
		652	endl
		653
		654	xor eax, eax
		655	mov [bus], eax
		656	inc eax
5077	clevermous	657	invoke PciApi
2288	clevermous	658	cmp eax, -1
		659	je .err
		660
		661	mov [last_bus], eax
		662
		663	.next_bus:
		664	and [devfn], 0
		665	.next_dev:
5077	clevermous	666	invoke PciRead32, [bus], [devfn], dword 0
2288	clevermous	667	test eax, eax
		668	jz .next
		669	cmp eax, -1
		670	je .next
		671
		672	mov edi, devices
		673	@@:
		674	mov ebx, [edi]
		675	test ebx, ebx
		676	jz .next
		677
		678	cmp eax, ebx
		679	je .found
		680	add edi, 12
		681	jmp @B
		682	.next:
		683	inc [devfn]
		684	cmp [devfn], 256
		685	jb .next_dev
		686	mov eax, [bus]
		687	inc eax
		688	mov [bus], eax
		689	cmp eax, [last_bus]
		690	jna .next_bus
		691	xor eax, eax
		692	ret
		693	.found:
		694	mov ebx, [bus]
		695	mov [ctrl.bus], ebx
		696
		697	mov ecx, [devfn]
		698	mov [ctrl.devfn], ecx
		699
		700	mov edx, eax
		701	and edx, 0xFFFF
		702	mov [ctrl.vendor], edx
		703	shr eax, 16
		704	mov [ctrl.dev_id], eax
		705
		706	mov ebx, [edi+4]
		707	mov [ctrl.ctrl_ids], ebx
		708	mov esi, [edi+8]
		709	mov [ctrl.ctrl_setup], esi
		710
		711	cmp edx, VID_VIA
		712	jne @F
		713	mov [ctrl.vendor_ids], msg_VIA
		714	ret
		715	@@:
		716
		717	.err:
		718	xor eax, eax
		719	mov [ctrl.vendor_ids], eax ;something wrong ?
		720	ret
		721	endp
		722
		723	align 4
		724	proc init_controller
		725
5077	clevermous	726	invoke PciRead32, [ctrl.bus], [ctrl.devfn], dword 4
2288	clevermous	727	mov ebx, eax
		728	and eax, 0xFFFF
		729	mov [ctrl.pci_cmd], eax
		730	shr ebx, 16
		731	mov [ctrl.pci_stat], ebx
		732
		733	mov esi, msgPciCmd
5077	clevermous	734	invoke SysMsgBoardStr
2288	clevermous	735	call dword2str
5077	clevermous	736	invoke SysMsgBoardStr
2288	clevermous	737
		738	mov esi, msgPciStat
5077	clevermous	739	invoke SysMsgBoardStr
2288	clevermous	740	mov eax, [ctrl.pci_stat]
		741	call dword2str
5077	clevermous	742	invoke SysMsgBoardStr
2288	clevermous	743
		744	mov esi, msgCtrlIsaIo
5077	clevermous	745	invoke SysMsgBoardStr
		746	invoke PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x10
2288	clevermous	747	call dword2str
5077	clevermous	748	invoke SysMsgBoardStr
2288	clevermous	749
		750	and eax, 0xFFC0
		751	mov [ctrl.ctrl_io_base], eax
		752
		753	.default:
5077	clevermous	754	invoke PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x3C
2288	clevermous	755	and eax, 0xFF
		756	@@:
		757	mov [ctrl.int_line], eax
		758
		759	;stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_FUNC_ENABLE ;0x42
		760	;mov byte [old_legacy], al
		761
		762	;stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_PNP_CONTROL ;0x43
		763	;mov byte [old_legacy_cfg], al
		764
		765	;mov al, VIA_FUNC_ENABLE_SB or VIA_FUNC_ENABLE_FM
		766	;xor al, 0xFF
		767	;and al, byte [old_legacy]
		768	;and eax, 0xFF
		769	;stdcall PciWrite8, [ctrl.bus], [ctrl.devfn], dword VIA_FUNC_ENABLE, eax ;0x42
		770	;mov byte [old_legacy], al
		771
		772	call [ctrl.ctrl_setup]
		773	xor eax, eax
		774	inc eax
		775	ret
		776	endp
		777
		778	align 4
		779	proc set_VIA
		780	mov [ctrl.codec_read16], codec_io_r16 ;virtual
		781	mov [ctrl.codec_write16], codec_io_w16 ;virtual
		782
		783	mov [ctrl.ctrl_read8 ], ctrl_io_r8 ;virtual
		784	mov [ctrl.ctrl_read16], ctrl_io_r16 ;virtual
		785	mov [ctrl.ctrl_read32], ctrl_io_r32 ;virtual
		786
		787	mov [ctrl.ctrl_write8 ], ctrl_io_w8 ;virtual
		788	mov [ctrl.ctrl_write16], ctrl_io_w16 ;virtual
		789	mov [ctrl.ctrl_write32], ctrl_io_w32 ;virtual
		790	ret
		791	endp
		792
		793
		794	align 4
		795	proc init_codec
		796	locals
		797	counter dd ?
		798	endl
		799
		800	mov esi, msgControl
5077	clevermous	801	invoke SysMsgBoardStr
		802	invoke PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL
2288	clevermous	803	and eax, 0xFF
		804	call dword2str
5077	clevermous	805	invoke SysMsgBoardStr
2288	clevermous	806
		807	mov esi, msgStatus
5077	clevermous	808	invoke SysMsgBoardStr
		809	invoke PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_STAT
2288	clevermous	810	and eax, 0xFF
		811	push eax
		812	call dword2str
5077	clevermous	813	invoke SysMsgBoardStr
2288	clevermous	814	pop eax
		815
		816	test eax, VIA_ACLINK_C00_READY
4496	Asper	817	jnz .ready
2288	clevermous	818
		819	call reset_codec
		820	test eax, eax
		821	jz .err
		822
		823	.ready:
		824	xor edx, edx ; ac_reg_0
		825	call [ctrl.codec_write16]
		826	jmp .done
		827
		828	.err:
		829	xor eax, eax ; timeout error
		830	ret
		831
		832	.done:
		833	call detect_codec
		834
		835	xor eax, eax
		836	inc eax
		837	ret
		838	endp
		839
		840	align 4
		841	proc reset_codec
5077	clevermous	842	invoke PciWrite8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL, \
2288	clevermous	843	VIA_ACLINK_CTRL_ENABLE or VIA_ACLINK_CTRL_RESET or VIA_ACLINK_CTRL_SYNC
		844	mov eax, 100000 ; wait 100 ms
		845	call StallExec
		846	.cold:
		847	call cold_reset
		848	jnc .ok
		849
		850	if DEBUG
		851	mov esi, msgCFail
5077	clevermous	852	invoke SysMsgBoardStr
2288	clevermous	853	end if
		854	xor eax, eax ; timeout error
		855	ret
		856	.ok:
		857	if DEBUG
		858	mov esi, msgResetOk
5077	clevermous	859	invoke SysMsgBoardStr
2288	clevermous	860	end if
		861	xor eax, eax
		862	inc eax
		863	ret
		864	endp
		865
		866
		867	align 4
		868	proc cold_reset
		869	locals
		870	counter dd ?
		871	endl
		872
5077	clevermous	873	invoke PciWrite8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL, dword 0
2288	clevermous	874
		875	if DEBUG
		876	mov esi, msgCold
5077	clevermous	877	invoke SysMsgBoardStr
2288	clevermous	878	end if
		879
		880	mov eax, 100000 ; wait 100 ms ;400000 ; wait 400 ms
		881	call StallExec
		882
		883	;; ACLink on, deassert ACLink reset, VSR, SGD data out
		884	;; note - FM data out has trouble with non VRA codecs !!
5077	clevermous	885	invoke PciWrite8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL, dword VIA_ACLINK_CTRL_INIT
2288	clevermous	886
		887	mov [counter], 16 ; total 20*100 ms = 2s
		888	.wait:
5077	clevermous	889	invoke PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_STAT
2288	clevermous	890	test eax, VIA_ACLINK_C00_READY
		891	jnz .ok
		892
		893	mov eax, 100000 ; wait 100 ms
		894	call StallExec
		895
		896	dec [counter]
		897	jnz .wait
		898
		899	if DEBUG
		900	mov esi, msgCRFail
5077	clevermous	901	invoke SysMsgBoardStr
2288	clevermous	902	end if
		903
		904	.fail:
		905	stc
		906	ret
		907	.ok:
		908	mov esi, msgControl
5077	clevermous	909	invoke SysMsgBoardStr
		910	invoke PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL
2288	clevermous	911	call dword2str
5077	clevermous	912	invoke SysMsgBoardStr
2288	clevermous	913
		914	mov esi, msgStatus
5077	clevermous	915	invoke SysMsgBoardStr
		916	invoke PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_STAT
2288	clevermous	917	and eax, 0xFF
		918	push eax
		919	call dword2str
5077	clevermous	920	invoke SysMsgBoardStr
2288	clevermous	921	pop eax
		922
		923	test eax, VIA_ACLINK_C00_READY ;CTRL_ST_CREADY
		924	jz .fail
		925	clc
		926	ret
		927	endp
		928
		929	align 4
		930	play:
		931	mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STOP_IDX
		932	mov eax, VIA8233_REG_TYPE_16BIT or VIA8233_REG_TYPE_STEREO or 0xfffff or 0xff000000
		933	mov [ctrl.lvi_reg], 16
		934	call [ctrl.ctrl_write32]
		935
		936	mov eax, VIA_REG_CTRL_INT
		937	or eax, VIA_REG_CTRL_START
		938	mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_CONTROL
		939	call [ctrl.ctrl_write8]
		940
		941	xor eax, eax
		942	ret
		943
		944	align 4
		945	stop:
		946	mov eax, VIA_REG_CTRL_INT
		947	or eax, VIA_REG_CTRL_TERMINATE
		948	mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_CONTROL
		949	call [ctrl.ctrl_write8]
		950
		951	stdcall channel_reset, VIADEV_PLAYBACK
		952	xor eax, eax
		953	ret
		954
		955	align 4
		956	proc get_dev_info stdcall, p_info:dword
		957	virtual at esi
		958	CTRL_INFO CTRL_INFO
		959	end virtual
		960
		961	mov esi, [p_info]
		962	mov eax, [ctrl.int_line]
		963	mov ecx, [ctrl.ctrl_io_base]
		964	mov [CTRL_INFO.irq], eax
		965	mov [CTRL_INFO.ctrl_io_base], ecx
		966
		967	xor eax, eax
		968	;mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_TABLE_PTR
		969	;call [ctrl.ctrl_read32]
		970	mov [CTRL_INFO.codec_io_base], eax
		971	;mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STOP_IDX
		972	;call [ctrl.ctrl_read32]
		973	mov [CTRL_INFO.codec_mem_base], eax
		974	;mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_CURR_COUNT
		975	;call [ctrl.ctrl_read32]
		976	mov [CTRL_INFO.ctrl_mem_base], eax
		977
		978	mov eax, [codec.chip_id]
		979	mov [CTRL_INFO.codec_id], eax
		980
		981	mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_CONTROL
		982	call [ctrl.ctrl_read8]
		983	and eax, 0xFF
		984	mov [CTRL_INFO.glob_cntrl], eax
		985
		986	mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STATUS
		987	call [ctrl.ctrl_read8]
		988	and eax, 0xFF
		989	mov [CTRL_INFO.glob_sta], eax
		990
		991	mov ebx, [ctrl.pci_cmd]
		992	mov [CTRL_INFO.pci_cmd], ebx
		993	ret
		994	endp
		995
		996	align 4
		997	proc set_callback stdcall, handler:dword
		998	mov eax, [handler]
		999	mov [ctrl.user_callback], eax
		1000	ret
		1001	endp
		1002
		1003
		1004	align 4
		1005	proc codec_check_ready stdcall
		1006	locals
		1007	counter dd ?
		1008	endl
		1009
		1010	mov [counter], 1000 ; total 1000*1 ms = 1s
		1011	.wait:
		1012	call [ctrl.codec_read16]
		1013	test eax, VIA_REG_AC97_BUSY
		1014	jz .ok
		1015
		1016	mov eax, 1000 ; wait 1 ms
		1017	call StallExec
		1018
		1019	sub [counter] , 1
		1020	jnz .wait
		1021	.err:
		1022	mov eax, -1
		1023	ret
		1024	.ok:
		1025	and eax, 0xFFFF
		1026	ret
		1027	endp
		1028
		1029
		1030	align 4
		1031	proc codec_valid stdcall
		1032	stdcall codec_check_ready
		1033	ret
		1034	endp
		1035
		1036	align 4
		1037	proc codec_read stdcall, ac_reg:dword ; reg = edx, reval = eax
		1038	locals
		1039	counter dd ?
		1040	endl
		1041
		1042	;Use only primary codec.
		1043	mov eax, [ac_reg]
		1044	and eax, 0x7F
		1045	shl eax, VIA_REG_AC97_CMD_SHIFT
		1046	or eax, VIA_REG_AC97_PRIMARY_VALID or VIA_REG_AC97_READ
		1047
		1048	mov [counter], 3 ; total 3*20 ms = 60ms
		1049	.wait:
		1050	push eax
		1051	call [ctrl.codec_write16]
		1052
		1053	mov eax, 20000 ; wait 20 ms
		1054	call StallExec
		1055
		1056	stdcall codec_valid
		1057	cmp eax, 0
		1058	pop eax
		1059	jge .ok
		1060
		1061	sub [counter] , 1
		1062	jnz .wait
		1063	jmp .err
		1064
		1065	.ok:
		1066	mov eax, 25000 ; wait 25 ms
		1067	call StallExec
		1068
		1069	call [ctrl.codec_read16] ;change edx !!!
		1070	and eax, 0xFFFF
		1071	ret
		1072	.err:
		1073	if DEBUG
		1074	mov esi, msgCInvalid
5077	clevermous	1075	invoke SysMsgBoardStr
2288	clevermous	1076	end if
		1077	mov eax, -1 ; invalid codec error
		1078	ret
		1079	endp
		1080
		1081	align 4
		1082	proc codec_write stdcall, ac_reg:dword
		1083	;Use only primary codec.
		1084	mov esi, [ac_reg]
		1085	mov edx, esi
		1086	shl edx, VIA_REG_AC97_CMD_SHIFT
		1087
		1088	shl eax, VIA_REG_AC97_DATA_SHIFT
		1089	or edx, eax
		1090
		1091	mov eax, VIA_REG_AC97_CODEC_ID_PRIMARY ;not VIA_REG_AC97_CODEC_ID_PRIMARY
		1092	shl eax, VIA_REG_AC97_CODEC_ID_SHIFT
		1093	or edx, eax
		1094
		1095	mov eax, edx
		1096	mov edx, esi
		1097	call [ctrl.codec_write16]
		1098	mov [codec.regs+esi], ax
		1099
		1100	stdcall codec_check_ready
		1101	cmp eax, 0
		1102	jl .err
		1103	.ok:
		1104	ret
		1105	.err:
		1106	if DEBUG
		1107	mov esi, msgCFail
5077	clevermous	1108	invoke SysMsgBoardStr
2288	clevermous	1109	end if
		1110	;mov eax, -1 ; codec not ready error
		1111	ret
		1112	endp
		1113
		1114	align 4
		1115	proc StallExec
		1116	push ecx
		1117	push edx
		1118	push ebx
		1119	push eax
		1120
		1121	mov ecx, CPU_FREQ
		1122	mul ecx
		1123	mov ebx, eax ;low
		1124	mov ecx, edx ;high
		1125	rdtsc
		1126	add ebx, eax
		1127	adc ecx, edx
		1128	@@:
		1129	rdtsc
		1130	sub eax, ebx
		1131	sbb edx, ecx
		1132	js @B
		1133
		1134	pop eax
		1135	pop ebx
		1136	pop edx
		1137	pop ecx
		1138	ret
		1139	endp
		1140
		1141	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1142	; CONTROLLER IO functions
		1143	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1144
		1145	align 4
		1146	proc codec_io_r16 ;r32
		1147	mov edx, [ctrl.ctrl_io_base]
		1148	add edx, VIA_REG_AC97
		1149	in eax, dx
		1150	ret
		1151	endp
		1152
		1153	align 4
		1154	proc codec_io_w16 ;w32
		1155	mov edx, [ctrl.ctrl_io_base]
		1156	add edx, VIA_REG_AC97
		1157	out dx, eax
		1158	ret
		1159	endp
		1160
		1161	align 4
		1162	proc ctrl_io_r8
		1163	add edx, [ctrl.ctrl_io_base]
		1164	in al, dx
		1165	ret
		1166	endp
		1167
		1168	align 4
		1169	proc ctrl_io_r16
		1170	add edx, [ctrl.ctrl_io_base]
		1171	in ax, dx
		1172	ret
		1173	endp
		1174
		1175	align 4
		1176	proc ctrl_io_r32
		1177	add edx, [ctrl.ctrl_io_base]
		1178	in eax, dx
		1179	ret
		1180	endp
		1181
		1182	align 4
		1183	proc ctrl_io_w8
		1184	add edx, [ctrl.ctrl_io_base]
		1185	out dx, al
		1186	ret
		1187	endp
		1188
		1189	align 4
		1190	proc ctrl_io_w16
		1191	add edx, [ctrl.ctrl_io_base]
		1192	out dx, ax
		1193	ret
		1194	endp
		1195
		1196	align 4
		1197	proc ctrl_io_w32
		1198	add edx, [ctrl.ctrl_io_base]
		1199	out dx, eax
		1200	ret
		1201	endp
		1202
		1203
		1204	align 4
		1205	dword2str:
		1206	push eax ebx ecx
		1207	mov esi, hex_buff
		1208	mov ecx, -8
		1209	@@:
		1210	rol eax, 4
		1211	mov ebx, eax
		1212	and ebx, 0x0F
		1213	mov bl, [ebx+hexletters]
		1214	mov [8+esi+ecx], bl
		1215	inc ecx
		1216	jnz @B
		1217	pop ecx ebx eax
		1218	ret
		1219
		1220	hexletters db '0123456789ABCDEF'
		1221	hex_buff db 8 dup(0),13,10,0
		1222
		1223
		1224	include "codec.inc"
		1225
		1226	align 4
		1227	devices dd (CTRL_VT82C686 shl 16)+VID_VIA,msg_VT82C686,set_VIA
		1228	dd (CTRL_VT8233_5 shl 16)+VID_VIA,msg_VT8233,set_VIA
		1229	dd 0 ;terminator
		1230
		1231
		1232	msg_VT82C686 db 'VT82C686', 13,10, 0
		1233	msg_VT8233 db 'VT8233', 13,10, 0
		1234	msg_VIA db 'VIA' , 13,10, 0
		1235
		1236	szKernel db 'KERNEL', 0
		1237	sz_sound_srv db 'SOUND',0
		1238
		1239	msgInit db 'detect hardware...',13,10,0
		1240	msgFail db 'device not found',13,10,0
		1241	msgAttchIRQ db 'IRQ line not supported', 13,10, 0
		1242	msgInvIRQ db 'IRQ line not assigned or invalid', 13,10, 0
		1243	msgPlay db 'start play', 13,10,0
		1244	msgStop db 'stop play', 13,10,0
		1245	;msgIRQ db 'AC97 IRQ', 13,10,0
		1246	;msgInitCtrl db 'init controller',13,10,0
		1247	;msgInitCodec db 'init codec',13,10,0
		1248	msgPrimBuff db 'create primary buffer ...',0
		1249	msgDone db 'done',13,10,0
		1250	msgRemap db 'Remap IRQ',13,10,0
		1251	;msgReg db 'set service handler',13,10,0
		1252	;msgOk db 'service installed',13,10,0
		1253	msgCold db 'cold reset',13,10,0
		1254	;msgWarm db 'warm reset',13,10,0
		1255	;msgWRFail db 'warm reset failed',13,10,0
		1256	msgCRFail db 'cold reset failed',13,10,0
		1257	msgCFail db 'codec not ready',13,10,0
		1258	msgCInvalid db 'codec is not valid',13,10,0 ;Asper
		1259	msgResetOk db 'reset complete',13,10,0
		1260	msgStatus db 'global status ',0
		1261	msgControl db 'global control ',0
		1262	msgPciCmd db 'PCI command ',0
		1263	msgPciStat db 'PCI status ',0
		1264	msgCtrlIsaIo db 'controller io base ',0
		1265	;msgMixIsaIo db 'codec io base ',0
		1266	;msgCtrlMMIo db 'controller mmio base ',0
		1267	;msgMixMMIo db 'codec mmio base ',0
		1268	;msgIrqMap db 'AC97 irq map as ',0
		1269
5077	clevermous	1270	align 4
		1271	data fixups
		1272	end data
2288	clevermous	1273
5077	clevermous	1274	align 8
2288	clevermous	1275	pcmout_bdl rq 32
		1276	buff_list rd 32
		1277
		1278	codec CODEC
		1279	ctrl AC_CNTRL
		1280
		1281	chip_type rb 1

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(root)/drivers/audio/vt823x.asm – Rev 5077