WebSVN – Kolibri OS – Blame – /drivers/audio/emu10k1x.asm

Rev	Author	Line No.	Line
1546	Asper	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
		8	format MS COFF
		9
		10	DEBUG equ 1
		11
		12	include 'proc32.inc'
		13	include 'imports.inc'
		14
		15	API_VERSION equ 0x01000100
		16
		17	USE_COM_IRQ equ 0 ;make irq 3 and irq 4 available for PCI devices
		18	IRQ_REMAP equ 0
		19	IRQ_LINE equ 0
		20
		21
		22	;irq 0,1,2,8,12,13 ��㯭�
		23	; FEDCBA9876543210
		24	VALID_IRQ equ 1100111011111000b
		25	ATTCH_IRQ equ 0000111010100000b
		26
		27	if USE_COM_IRQ
		28	ATTCH_IRQ equ 0000111010111000b
		29	end if
		30
		31	CPU_FREQ equ 2600d
		32
		33	BIT0 EQU 0x00000001
		34	BIT1 EQU 0x00000002
		35	BIT5 EQU 0x00000020
		36	BIT10 EQU 0x00000400
		37
		38	VID_Creative equ 0x1102
		39
		40	CTRL_CT0200 equ 0x0006 ; Dell OEM version (EMU10K1X)
		41
		42
		43	CODEC_MASTER_VOL_REG equ 0x02
		44	CODEC_AUX_VOL equ 0x04 ;
		45	CODEC_PCM_OUT_REG equ 0x18 ; PCM output volume
		46	CODEC_EXT_AUDIO_REG equ 0x28 ; extended audio
		47	CODEC_EXT_AUDIO_CTRL_REG equ 0x2a ; extended audio control
		48	CODEC_PCM_FRONT_DACRATE_REG equ 0x2c ; PCM out sample rate
		49	CODEC_PCM_SURND_DACRATE_REG equ 0x2e ; surround sound sample rate
		50	CODEC_PCM_LFE_DACRATE_REG equ 0x30 ; LFE sample rate
		51
		52
		53	;EMU10K1(X) host controller registers set
		54	;; common offsets
		55	;; some definitions were borrowed from emu10k1 driver as they seem to be the same
		56	;;**********************************************************************************************;;
		57	;; PCI function 0 registers, address = + PCIBASE0 ;;
		58	;;**********************************************************************************************;;
		59
		60	PTR equ 0x00 ;; Indexed register set pointer register ;;
		61	;; NOTE: The CHANNELNUM and ADDRESS words can ;;
		62	;; be modified independently of each other. ;;
		63
		64	DATA equ 0x04 ;; Indexed register set data register ;;
		65
		66	IPR equ 0x08 ;; Global interrupt pending register ;;
		67	;; Clear pending interrupts by writing a 1 to ;;
		68	;; the relevant bits and zero to the other bits ;;
		69	IPR_MIDITRANSBUFEMPTY equ 0x00000001 ;; MIDI UART transmit buffer empty ;;
		70	IPR_MIDIRECVBUFEMPTY equ 0x00000002 ;; MIDI UART receive buffer empty ;;
		71	IPR_CH_0_LOOP equ 0x00000800 ;; Channel 0 loop ;;
		72	IPR_CH_0_HALF_LOOP equ 0x00000100 ;; Channel 0 half loop ;;
		73	IPR_CAP_0_LOOP equ 0x00080000 ;; Channel capture loop ;;
		74	IPR_CAP_0_HALF_LOOP equ 0x00010000 ;; Channel capture half loop ;;
		75
		76	INTE equ 0x0c ;; Interrupt enable register ;;
		77	INTE_MIDITXENABLE equ 0x00000001 ;; Enable MIDI transmit-buffer-empty interrupts ;;
		78	INTE_MIDIRXENABLE equ 0x00000002 ;; Enable MIDI receive-buffer-empty interrupts ;;
		79	INTE_CH_0_LOOP equ 0x00000800 ;; Channel 0 loop ;;
		80	INTE_CH_0_HALF_LOOP equ 0x00000100 ;; Channel 0 half loop ;;
		81	INTE_CAP_0_LOOP equ 0x00080000 ;; Channel capture loop ;;
		82	INTE_CAP_0_HALF_LOOP equ 0x00010000 ;; Channel capture half loop ;;
		83
		84	HCFG equ 0x14 ;; Hardware config register ;;
		85
		86	HCFG_LOCKSOUNDCACHE equ 0x00000008 ;; 1 = Cancel bustmaster accesses to soundcache ;;
		87	;; NOTE: This should generally never be used. ;;
		88	HCFG_AUDIOENABLE equ 0x00000001 ;; 0 = CODECs transmit zero-valued samples ;;
		89	;; Should be set to 1 when the EMU10K1 is ;;
		90	;; completely initialized. ;;
		91	GPIO equ 0x18 ;; Defaults: 00001080-Analog, 00001000-SPDIF. ;;
		92
		93
		94	AC97DATA equ 0x1c ;; AC97 register set data register (16 bit) ;;
		95
		96	AC97ADDRESS equ 0x1e ;; AC97 register set address register (8 bit) ;;
		97
		98	;;******************************************************************************************************;;
		99	;; Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers ;;
		100	;;******************************************************************************************************;;
		101	PLAYBACK_LIST_ADDR equ 0x00 ;; Base DMA address of a list of pointers to each period/size ;;
		102	;; One list entry: 4 bytes for DMA address,
		103	;; 4 bytes for period_size << 16.
		104	;; One list entry is 8 bytes long.
		105	;; One list entry for each period in the buffer.
		106	;;
		107	PLAYBACK_LIST_SIZE equ 0x01 ;; Size of list in bytes << 19. E.g. 8 periods -> 0x00380000 ;;
		108	PLAYBACK_LIST_PTR equ 0x02 ;; Pointer to the current period being played ;;
		109	PLAYBACK_DMA_ADDR equ 0x04 ;; Playback DMA addresss ;;
		110	PLAYBACK_PERIOD_SIZE equ 0x05 ;; Playback period size ;;
		111	PLAYBACK_POINTER equ 0x06 ;; Playback period pointer. Sample currently in DAC ;;
		112	PLAYBACK_UNKNOWN1 equ 0x07
		113	PLAYBACK_UNKNOWN2 equ 0x08
		114
		115	;; Only one capture channel supported ;;
		116	CAPTURE_DMA_ADDR equ 0x10 ;; Capture DMA address ;;
		117	CAPTURE_BUFFER_SIZE equ 0x11 ;; Capture buffer size ;;
		118	CAPTURE_POINTER equ 0x12 ;; Capture buffer pointer. Sample currently in ADC ;;
		119	CAPTURE_UNKNOWN equ 0x13
		120
		121	;; From 0x20 - 0x3f, last samples played on each channel ;;
		122
		123	TRIGGER_CHANNEL equ 0x40 ;; Trigger channel playback ;;
		124	TRIGGER_CHANNEL_0 equ 0x00000001 ;; Trigger channel 0 ;;
		125	TRIGGER_CHANNEL_1 equ 0x00000002 ;; Trigger channel 1 ;;
		126	TRIGGER_CHANNEL_2 equ 0x00000004 ;; Trigger channel 2 ;;
		127	TRIGGER_CAPTURE equ 0x00000100 ;; Trigger capture channel ;;
		128
		129	ROUTING equ 0x41 ;; Setup sound routing ? ;;
		130	ROUTING_FRONT_LEFT equ 0x00000001
		131	ROUTING_FRONT_RIGHT equ 0x00000002
		132	ROUTING_REAR_LEFT equ 0x00000004
		133	ROUTING_REAR_RIGHT equ 0x00000008
		134	ROUTING_CENTER_LFE equ 0x00010000
		135
		136	SPCS0 equ 0x42 ;; SPDIF output Channel Status 0 register ;;
		137	SPCS1 equ 0x43 ;; SPDIF output Channel Status 1 register ;;
		138	SPCS2 equ 0x44 ;; SPDIF output Channel Status 2 register ;;
		139
		140	SPCS_CLKACCYMASK equ 0x30000000 ;; Clock accuracy ;;
		141	SPCS_CLKACCY_1000PPM equ 0x00000000 ;; 1000 parts per million ;;
		142	SPCS_CLKACCY_50PPM equ 0x10000000 ;; 50 parts per million ;;
		143	SPCS_CLKACCY_VARIABLE equ 0x20000000 ;; Variable accuracy ;;
		144	SPCS_SAMPLERATEMASK equ 0x0f000000 ;; Sample rate ;;
		145	SPCS_SAMPLERATE_44 equ 0x00000000 ;; 44.1kHz sample rate ;;
		146	SPCS_SAMPLERATE_48 equ 0x02000000 ;; 48kHz sample rate ;;
		147	SPCS_SAMPLERATE_32 equ 0x03000000 ;; 32kHz sample rate ;;
		148	SPCS_CHANNELNUMMASK equ 0x00f00000 ;; Channel number ;;
		149	SPCS_CHANNELNUM_UNSPEC equ 0x00000000 ;; Unspecified channel number ;;
		150	SPCS_CHANNELNUM_LEFT equ 0x00100000 ;; Left channel ;;
		151	SPCS_CHANNELNUM_RIGHT equ 0x00200000 ;; Right channel ;;
		152	SPCS_SOURCENUMMASK equ 0x000f0000 ;; Source number ;;
		153	SPCS_SOURCENUM_UNSPEC equ 0x00000000 ;; Unspecified source number ;;
		154	SPCS_GENERATIONSTATUS equ 0x00008000 ;; Originality flag (see IEC-958 spec) ;;
		155	SPCS_CATEGORYCODEMASK equ 0x00007f00 ;; Category code (see IEC-958 spec) ;;
		156	SPCS_MODEMASK equ 0x000000c0 ;; Mode (see IEC-958 spec) ;;
		157	SPCS_EMPHASISMASK equ 0x00000038 ;; Emphasis ;;
		158	SPCS_EMPHASIS_NONE equ 0x00000000 ;; No emphasis ;;
		159	SPCS_EMPHASIS_50_15 equ 0x00000008 ;; 50/15 usec 2 channel ;;
		160	SPCS_COPYRIGHT equ 0x00000004 ;; Copyright asserted flag -- do not modify ;;
		161	SPCS_NOTAUDIODATA equ 0x00000002 ;; 0 = Digital audio, 1 = not audio ;;
		162	SPCS_PROFESSIONAL equ 0x00000001 ;; 0 = Consumer (IEC-958), 1 = pro (AES3-1992) ;;
		163
		164	SPDIF_SELECT equ 0x45 ;; Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF ;;
		165
		166	;; This is the MPU port on the card ;;
		167	MUDATA equ 0x47
		168	MUCMD equ 0x48
		169	MUSTAT equ MUCMD
		170
		171	;; From 0x50 - 0x5f, last samples captured ;;
		172
		173
		174	SRV_GETVERSION equ 0
		175	DEV_PLAY equ 1
		176	DEV_STOP equ 2
		177	DEV_CALLBACK equ 3
		178	DEV_SET_BUFF equ 4
		179	DEV_NOTIFY equ 5
		180	DEV_SET_MASTERVOL equ 6
		181	DEV_GET_MASTERVOL equ 7
		182	DEV_GET_INFO equ 8
		183
		184	struc AC_CNTRL ;AC controller base class
		185	{ .bus dd ?
		186	.devfn dd ?
		187
		188	.vendor dd ?
		189	.dev_id dd ?
		190	.pci_cmd dd ?
		191	.pci_stat dd ?
		192
		193	.codec_io_base dd ?
		194	.codec_mem_base dd ?
		195
		196	.ctrl_io_base dd ?
		197	.ctrl_mem_base dd ?
		198	.cfg_reg dd ?
		199	.int_line dd ?
		200
		201	.vendor_ids dd ? ;vendor id string
		202	.ctrl_ids dd ? ;hub id string
		203
		204	.buffer dd ?
		205
		206	.notify_pos dd ?
		207	.notify_task dd ?
		208
		209	.lvi_reg dd ?
		210	.ctrl_setup dd ?
		211	.user_callback dd ?
		212	.codec_read16 dd ?
		213	.codec_write16 dd ?
		214
		215	.ctrl_read8 dd ?
		216	.ctrl_read16 dd ?
		217	.ctrl_read32 dd ?
		218
		219	.ctrl_write8 dd ?
		220	.ctrl_write16 dd ?
		221	.ctrl_write32 dd ?
		222	}
		223
		224	struc CODEC ;Audio Chip base class
		225	{
		226	.chip_id dd ?
		227	.flags dd ?
		228	.status dd ?
		229
		230	.ac_vendor_ids dd ? ;ac vendor id string
		231	.chip_ids dd ? ;chip model string
		232
		233	.shadow_flag dd ?
		234	dd ?
		235
		236	.regs dw ? ; codec registers
		237	.reg_master_vol dw ? ;0x02
		238	.reg_aux_out_vol dw ? ;0x04
		239	.reg_mone_vol dw ? ;0x06
		240	.reg_master_tone dw ? ;0x08
		241	.reg_beep_vol dw ? ;0x0A
		242	.reg_phone_vol dw ? ;0x0C
		243	.reg_mic_vol dw ? ;0x0E
		244	.reg_line_in_vol dw ? ;0x10
		245	.reg_cd_vol dw ? ;0x12
		246	.reg_video_vol dw ? ;0x14
		247	.reg_aux_in_vol dw ? ;0x16
		248	.reg_pcm_out_vol dw ? ;0x18
		249	.reg_rec_select dw ? ;0x1A
		250	.reg_rec_gain dw ? ;0x1C
		251	.reg_rec_gain_mic dw ? ;0x1E
		252	.reg_gen dw ? ;0x20
		253	.reg_3d_ctrl dw ? ;0X22
		254	.reg_page dw ? ;0X24
		255	.reg_powerdown dw ? ;0x26
		256	.reg_ext_audio dw ? ;0x28
		257	.reg_ext_st dw ? ;0x2a
		258	.reg_pcm_front_rate dw ? ;0x2c
		259	.reg_pcm_surr_rate dw ? ;0x2e
		260	.reg_lfe_rate dw ? ;0x30
		261	.reg_pcm_in_rate dw ? ;0x32
		262	dw ? ;0x34
		263	.reg_cent_lfe_vol dw ? ;0x36
		264	.reg_surr_vol dw ? ;0x38
		265	.reg_spdif_ctrl dw ? ;0x3A
		266	dw ? ;0x3C
		267	dw ? ;0x3E
		268	dw ? ;0x40
		269	dw ? ;0x42
		270	dw ? ;0x44
		271	dw ? ;0x46
		272	dw ? ;0x48
		273	dw ? ;0x4A
		274	dw ? ;0x4C
		275	dw ? ;0x4E
		276	dw ? ;0x50
		277	dw ? ;0x52
		278	dw ? ;0x54
		279	dw ? ;0x56
		280	dw ? ;0x58
		281	dw ? ;0x5A
		282	dw ? ;0x5C
		283	dw ? ;0x5E
		284	.reg_page_0 dw ? ;0x60
		285	.reg_page_1 dw ? ;0x62
		286	.reg_page_2 dw ? ;0x64
		287	.reg_page_3 dw ? ;0x66
		288	.reg_page_4 dw ? ;0x68
		289	.reg_page_5 dw ? ;0x6A
		290	.reg_page_6 dw ? ;0x6C
		291	.reg_page_7 dw ? ;0x6E
		292	dw ? ;0x70
		293	dw ? ;0x72
		294	dw ? ;0x74
		295	dw ? ;0x76
		296	dw ? ;0x78
		297	dw ? ;0x7A
		298	.reg_vendor_id_1 dw ? ;0x7C
		299	.reg_vendor_id_2 dw ? ;0x7E
		300
		301
		302	.reset dd ? ;virual
		303	.set_master_vol dd ?
		304	}
		305
		306	struc CTRL_INFO
		307	{ .pci_cmd dd ?
		308	.irq dd ?
		309	.glob_cntrl dd ?
		310	.glob_sta dd ?
		311	.codec_io_base dd ?
		312	.ctrl_io_base dd ?
		313	.codec_mem_base dd ?
		314	.ctrl_mem_base dd ?
		315	.codec_id dd ?
		316	}
		317
		318	struc IOCTL
		319	{ .handle dd ?
		320	.io_code dd ?
		321	.input dd ?
		322	.inp_size dd ?
		323	.output dd ?
		324	.out_size dd ?
		325	}
		326
		327	virtual at 0
		328	IOCTL IOCTL
		329	end virtual
		330
		331	EVENT_NOTIFY equ 0x00000200
		332
		333	public START
		334	public service_proc
		335	public version
		336
		337	section '.flat' code readable align 16
		338
		339	proc START stdcall, state:dword
		340
		341	cmp [state], 1
		342	jne .stop
		343
		344	if DEBUG
		345	mov esi, msgInit
		346	call SysMsgBoardStr
		347	end if
		348
		349	call detect_controller
		350	test eax, eax
		351	jz .fail
		352
		353	if DEBUG
		354	mov esi,[ctrl.vendor_ids]
		355	call SysMsgBoardStr
		356	mov esi, [ctrl.ctrl_ids]
		357	call SysMsgBoardStr
		358	end if
		359
		360	call init_controller
		361	test eax, eax
		362	jz .fail
		363
		364	call init_codec
		365	test eax, eax
		366	jz .fail
		367
		368	call setup_codec
		369
		370	mov esi, msgPrimBuff
		371	call SysMsgBoardStr
		372	call create_primary_buff
		373	mov esi, msgDone
		374	call SysMsgBoardStr
		375
		376	if IRQ_REMAP
		377	pushf
		378	cli
		379
		380	mov ebx, [ctrl.int_line]
		381	in al, 0xA1
		382	mov ah, al
		383	in al, 0x21
		384	test ebx, ebx
		385	jz .skip
		386	bts ax, bx ;mask old line
		387	.skip:
		388	bts ax, IRQ_LINE ;mask new ine
		389	out 0x21, al
		390	mov al, ah
		391	out 0xA1, al
		392
		393	stdcall PciWrite8, 0, 0xF8, 0x61, IRQ_LINE ;remap IRQ
		394
		395	mov dx, 0x4d0 ;8259 ELCR1
		396	in al, dx
		397	bts ax, IRQ_LINE
		398	out dx, al ;set level-triggered mode
		399	mov [ctrl.int_line], IRQ_LINE
		400	popf
		401	mov esi, msgRemap
		402	call SysMsgBoardStr
		403	end if
		404
		405	mov eax, VALID_IRQ
		406	mov ebx, [ctrl.int_line]
		407	mov esi, msgInvIRQ
		408	bt eax, ebx
		409	jnc .fail_msg
		410	mov eax, ATTCH_IRQ
		411	mov esi, msgAttchIRQ
		412	bt eax, ebx
		413	jnc .fail_msg
		414
		415	stdcall AttachIntHandler, ebx, ac97_irq, dword 0
		416	stdcall create
		417
		418	.reg:
		419	stdcall RegService, sz_sound_srv, service_proc
		420	ret
		421	.fail:
		422	if DEBUG
		423	mov esi, msgFail
		424	call SysMsgBoardStr
		425	end if
		426	xor eax, eax
		427	ret
		428	.fail_msg:
		429	call SysMsgBoardStr
		430	xor eax, eax
		431	ret
		432	.stop:
		433	call stop
		434	xor eax, eax
		435	ret
		436	endp
		437
		438	handle equ IOCTL.handle
		439	io_code equ IOCTL.io_code
		440	input equ IOCTL.input
		441	inp_size equ IOCTL.inp_size
		442	output equ IOCTL.output
		443	out_size equ IOCTL.out_size
		444
		445	align 4
		446	proc service_proc stdcall, ioctl:dword
		447
		448	mov edi, [ioctl]
		449	mov eax, [edi+io_code]
		450
		451	cmp eax, SRV_GETVERSION
		452	jne @F
		453	mov eax, [edi+output]
		454	cmp [edi+out_size], 4
		455	jne .fail
		456
		457	mov [eax], dword API_VERSION
		458	xor eax, eax
		459	ret
		460	@@:
		461	cmp eax, DEV_PLAY
		462	jne @F
		463	if DEBUG
		464	mov esi, msgPlay
		465	call SysMsgBoardStr
		466	end if
		467	call play
		468	ret
		469	@@:
		470	cmp eax, DEV_STOP
		471	jne @F
		472	if DEBUG
		473	mov esi, msgStop
		474	call SysMsgBoardStr
		475	end if
		476	call stop
		477	ret
		478	@@:
		479	cmp eax, DEV_CALLBACK
		480	jne @F
		481	mov ebx, [edi+input]
		482	stdcall set_callback, [ebx]
		483	ret
		484	@@:
		485	cmp eax, DEV_SET_MASTERVOL
		486	jne @F
		487	mov eax, [edi+input]
		488	mov eax, [eax]
		489	call set_master_vol ;eax= vol
		490	ret
		491	@@:
		492	cmp eax, DEV_GET_MASTERVOL
		493	jne @F
		494	mov ebx, [edi+output]
		495	stdcall get_master_vol, ebx
		496	ret
		497	@@:
		498	cmp eax, DEV_GET_INFO
		499	jne @F
		500	mov ebx, [edi+output]
		501	stdcall get_dev_info, ebx
		502	ret
		503	@@:
		504	.fail:
		505	or eax, -1
		506	ret
		507	endp
		508
		509	restore handle
		510	restore io_code
		511	restore input
		512	restore inp_size
		513	restore output
		514	restore out_size
		515
		516
		517	align 4
		518	proc ac97_irq
		519	locals
		520	status dd 0
		521	endl
		522
		523	; status = inl(chip->port + IPR);
		524	mov edx, IPR
		525	call [ctrl.ctrl_read32]
		526	test eax, eax
		527	jz @f
		528
		529	mov dword [status], eax
		530
		531	mov ebx, dword [buff_list]
		532	cmp [ctrl.user_callback], 0
		533	je @f
		534	stdcall [ctrl.user_callback], ebx
		535	@@:
		536	mov eax, dword [status] ;; ack ;;
		537	mov edx, IPR
		538	call [ctrl.ctrl_write32]
		539	ret
		540	endp
		541
		542
		543	align 4
		544	proc create_primary_buff
		545
		546	stdcall KernelAlloc, 0x10000
		547	mov [ctrl.buffer], eax
		548
		549	mov edi, eax
		550	mov ecx, 0x10000/4
		551	xor eax, eax
		552	cld
		553	rep stosd
		554
		555	mov eax, [ctrl.buffer]
		556	call GetPgAddr
		557
		558	mov edi, pcmout_bdl
		559	stosd
		560	mov eax, 0x4000000
		561	stosd
		562
		563	mov edi, buff_list
		564	mov eax, [ctrl.buffer]
		565	stosd ;1.]
		566
		567	mov eax, [ctrl.buffer]
		568	call GetPgAddr
		569
		570	stdcall ptr_write, PLAYBACK_POINTER, 0, 0
		571	stdcall ptr_write, PLAYBACK_UNKNOWN1, 0, 0
		572	stdcall ptr_write, PLAYBACK_UNKNOWN2, 0, 0
		573	stdcall ptr_write, PLAYBACK_DMA_ADDR, 0, eax
		574
		575	mov eax, pcmout_bdl
		576	mov ebx, eax
		577	call GetPgAddr
		578	and ebx, 0xFFF
		579	add eax, ebx
		580
		581	stdcall ptr_write, PLAYBACK_LIST_ADDR, 0, eax
		582	stdcall ptr_write, PLAYBACK_LIST_SIZE, 0, 0
		583	stdcall ptr_write, PLAYBACK_LIST_PTR, 0, 0
		584
		585	;mov eax, 0x00004000
		586	;shl eax, 16
		587	stdcall ptr_write, PLAYBACK_PERIOD_SIZE, 0, 0x40000000;eax
		588
		589	ret
		590	endp
		591
		592
		593	align 4
		594	proc detect_controller
		595	locals
		596	last_bus dd ?
		597	bus dd ?
		598	devfn dd ?
		599	endl
		600
		601	xor eax, eax
		602	mov [bus], eax
		603	inc eax
		604	call PciApi
		605	cmp eax, -1
		606	je .err
		607
		608	mov [last_bus], eax
		609
		610	.next_bus:
		611	and [devfn], 0
		612	.next_dev:
		613	stdcall PciRead32, [bus], [devfn], dword 0
		614	test eax, eax
		615	jz .next
		616	cmp eax, -1
		617	je .next
		618
		619	mov edi, devices
		620	@@:
		621	mov ebx, [edi]
		622	test ebx, ebx
		623	jz .next
		624
		625	cmp eax, ebx
		626	je .found
		627	add edi, 12
		628	jmp @B
		629	.next:
		630	inc [devfn]
		631	cmp [devfn], 256
		632	jb .next_dev
		633	mov eax, [bus]
		634	inc eax
		635	mov [bus], eax
		636	cmp eax, [last_bus]
		637	jna .next_bus
		638	xor eax, eax
		639	ret
		640	.found:
		641	mov ebx, [bus]
		642	mov [ctrl.bus], ebx
		643
		644	mov ecx, [devfn]
		645	mov [ctrl.devfn], ecx
		646
		647	mov edx, eax
		648	and edx, 0xFFFF
		649	mov [ctrl.vendor], edx
		650	shr eax, 16
		651	mov [ctrl.dev_id], eax
		652
		653	mov ebx, [edi+4]
		654	mov [ctrl.ctrl_ids], ebx
		655	mov esi, [edi+8]
		656	mov [ctrl.ctrl_setup], esi
		657
		658	cmp edx, VID_Creative
		659	jne @F
		660	mov [ctrl.vendor_ids], msg_Creative
		661	ret
		662	@@:
		663
		664	.err:
		665	xor eax, eax
		666	mov [ctrl.vendor_ids], eax ;something wrong ?
		667	ret
		668	endp
		669
		670	align 4
		671	proc init_controller
		672
		673	stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x2C
		674	mov esi, msgPciSubsys
		675	call SysMsgBoardStr
		676	call dword2str
		677	call SysMsgBoardStr
		678
		679	stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 4
		680	mov ebx, eax
		681	and eax, 0xFFFF
		682	mov [ctrl.pci_cmd], eax
		683	shr ebx, 16
		684	mov [ctrl.pci_stat], ebx
		685
		686	mov esi, msgPciCmd
		687	call SysMsgBoardStr
		688	call dword2str
		689	call SysMsgBoardStr
		690
		691	mov esi, msgPciStat
		692	call SysMsgBoardStr
		693	mov eax, [ctrl.pci_stat]
		694	call dword2str
		695	call SysMsgBoardStr
		696
		697	mov esi, msgCtrlIsaIo
		698	call SysMsgBoardStr
		699	stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x10
		700	call dword2str
		701	call SysMsgBoardStr
		702
		703	and eax, 0xFFC0
		704	mov [ctrl.ctrl_io_base], eax
		705
		706	.default:
		707	stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x3C
		708	and eax, 0xFF
		709	@@:
		710	mov [ctrl.int_line], eax
		711
		712	call [ctrl.ctrl_setup]
		713	xor eax, eax
		714	inc eax
		715	ret
		716	endp
		717
		718	align 4
		719	proc set_Creative
		720	mov [ctrl.codec_read16], codec_io_r16 ;virtual
		721	mov [ctrl.codec_write16], codec_io_w16 ;virtual
		722
		723	mov [ctrl.ctrl_read8 ], ctrl_io_r8 ;virtual
		724	mov [ctrl.ctrl_read16], ctrl_io_r16 ;virtual
		725	mov [ctrl.ctrl_read32], ctrl_io_r32 ;virtual
		726
		727	mov [ctrl.ctrl_write8 ], ctrl_io_w8 ;virtual
		728	mov [ctrl.ctrl_write16], ctrl_io_w16 ;virtual
		729	mov [ctrl.ctrl_write32], ctrl_io_w32 ;virtual
		730	ret
		731	endp
		732
		733
		734	align 4
		735	proc init_codec
		736	call reset_codec
		737	test eax, eax
		738	jz .err
		739	call detect_codec
		740	xor eax, eax
		741	inc eax
		742	ret
		743	.err:
		744	xor eax, eax
		745	ret
		746	endp
		747
		748	align 4
		749	proc reset_codec
		750	locals
		751	counter dd ?
		752	endl
		753
		754	if DEBUG
		755	mov esi, msgCold
		756	call SysMsgBoardStr
		757	end if
		758
		759	mov eax, 100000 ; wait 100 ms ;400000 ; wait 400 ms
		760	call StallExec
		761
		762	stdcall ptr_read, TRIGGER_CHANNEL, 0
		763
		764	mov [counter], 16 ; total 20*100 ms = 2s
		765	.wait:
		766	stdcall codec_read, dword 0x26
		767	test eax, 1
		768	jnz .ok
		769
		770	mov eax, 100000 ; wait 100 ms
		771	call StallExec
		772
		773	dec [counter]
		774	jnz .wait
		775
		776	if DEBUG
		777	mov esi, msgCRFail
		778	call SysMsgBoardStr
		779	end if
		780
		781	.fail:
		782	stc
		783	ret
		784	.ok:
		785
		786
		787	xor eax, eax
		788	inc eax
		789	ret
		790	endp
		791
		792
		793	align 4
		794	play:
		795	mov eax, INTE_CH_0_LOOP
		796	stdcall intr_enable, eax
		797
		798	stdcall ptr_read, TRIGGER_CHANNEL, 0
		799	mov ebx, TRIGGER_CHANNEL_0
		800	or eax, ebx
		801	stdcall ptr_write, TRIGGER_CHANNEL, 0, eax
		802
		803	xor eax, eax
		804	ret
		805
		806	align 4
		807	stop:
		808	mov eax, INTE_CH_0_LOOP or INTE_CH_0_HALF_LOOP
		809	stdcall intr_disable, eax
		810
		811	stdcall ptr_read, TRIGGER_CHANNEL, 0
		812	mov ebx, TRIGGER_CHANNEL_0
		813	xor ebx, -1
		814	or eax, ebx
		815	stdcall ptr_write, TRIGGER_CHANNEL, 0, eax
		816	xor eax, eax
		817	ret
		818
		819	align 4
		820	proc get_dev_info stdcall, p_info:dword
		821	virtual at esi
		822	CTRL_INFO CTRL_INFO
		823	end virtual
		824
		825	mov esi, [p_info]
		826	mov eax, [ctrl.int_line]
		827	mov ecx, [ctrl.ctrl_io_base]
		828	mov [CTRL_INFO.irq], eax
		829	mov [CTRL_INFO.ctrl_io_base], ecx
		830	mov eax, [codec.chip_id]
		831	mov [CTRL_INFO.codec_id], eax
		832	mov ebx, [ctrl.pci_cmd]
		833	mov [CTRL_INFO.pci_cmd], ebx
		834
		835	xor eax, eax
		836	mov [CTRL_INFO.codec_io_base], eax
		837	mov [CTRL_INFO.codec_mem_base], eax
		838	mov [CTRL_INFO.ctrl_mem_base], eax
		839	mov [CTRL_INFO.glob_cntrl], eax
		840	mov [CTRL_INFO.glob_sta], eax
		841	ret
		842	endp
		843
		844	align 4
		845	proc set_callback stdcall, handler:dword
		846	mov eax, [handler]
		847	mov [ctrl.user_callback], eax
		848	ret
		849	endp
		850
		851
		852	align 4
		853	proc create stdcall
		854	stdcall PciRead16, [ctrl.bus], [ctrl.devfn], dword 4
		855	test eax, 4 ; test master bit
		856	jnz @f
		857	or eax, 4
		858	stdcall PciWrite16, [ctrl.bus], [ctrl.devfn], dword 4, eax ; set master bit
		859	@@:
		860
		861	xor eax, eax
		862	mov edx, INTE
		863	call [ctrl.ctrl_write32]
		864
		865	stdcall ptr_write, SPCS0, 0, \
		866	SPCS_CLKACCY_1000PPM or SPCS_SAMPLERATE_48 or \
		867	SPCS_CHANNELNUM_LEFT or SPCS_SOURCENUM_UNSPEC or \
		868	SPCS_GENERATIONSTATUS or 0x00001200 or \
		869	0x00000000 or SPCS_EMPHASIS_NONE or SPCS_COPYRIGHT
		870	stdcall ptr_write, SPCS1, 0, \
		871	SPCS_CLKACCY_1000PPM or SPCS_SAMPLERATE_48 or \
		872	SPCS_CHANNELNUM_LEFT or SPCS_SOURCENUM_UNSPEC or \
		873	SPCS_GENERATIONSTATUS or 0x00001200 or \
		874	0x00000000 or SPCS_EMPHASIS_NONE or SPCS_COPYRIGHT
		875	stdcall ptr_write, SPCS2, 0, \
		876	SPCS_CLKACCY_1000PPM or SPCS_SAMPLERATE_48 or \
		877	SPCS_CHANNELNUM_LEFT or SPCS_SOURCENUM_UNSPEC or \
		878	SPCS_GENERATIONSTATUS or 0x00001200 or \
		879	0x00000000 or SPCS_EMPHASIS_NONE or SPCS_COPYRIGHT
		880
		881	stdcall ptr_write, SPDIF_SELECT, 0, 0x700 ; disable SPDIF
		882	stdcall ptr_write, ROUTING, 0, 0x1003F ; routing
		883	stdcall gpio_write, 0x1080 ; analog mode
		884
		885	mov eax, dword HCFG_LOCKSOUNDCACHE or HCFG_AUDIOENABLE
		886	mov edx, HCFG
		887	call [ctrl.ctrl_write32]
		888	ret
		889	endp
		890
		891	align 4
		892	proc codec_read stdcall, reg:dword
		893	stdcall ac97_read, dword [reg]
		894	ret
		895	endp
		896
		897
		898	align 4
		899	proc codec_write stdcall, reg:dword
		900	stdcall ac97_write, dword [reg], eax
		901	ret
		902	endp
		903
		904
		905	align 4
		906	proc ac97_read stdcall, reg:dword
		907	push edx
		908	mov eax, dword [reg]
		909	mov edx, AC97ADDRESS
		910	call [ctrl.ctrl_write8]
		911
		912	mov edx, AC97DATA
		913	call [ctrl.ctrl_read16]
		914	and eax, 0xFFFF
		915	pop edx
		916	ret
		917	endp
		918
		919	align 4
		920	proc ac97_write stdcall, reg:dword, val:dword
		921	push eax edx
		922	mov eax, dword [reg]
		923	mov edx, AC97ADDRESS
		924	call [ctrl.ctrl_write8]
		925
		926	mov eax, dword [val]
		927	mov edx, AC97DATA
		928	call [ctrl.ctrl_write16]
		929	pop edx eax
		930	ret
		931	endp
		932
		933	align 4
		934	proc ptr_read stdcall, reg:dword, chn:dword
		935	push edx
		936	mov eax, dword [reg]
		937	shl eax, 16
		938	or eax, dword [chn]
		939
		940	mov edx, PTR
		941	call [ctrl.ctrl_write32]
		942
		943	mov edx, DATA
		944	call [ctrl.ctrl_read32]
		945	pop edx
		946	ret
		947	endp
		948
		949	align 4
		950	proc ptr_write stdcall, reg:dword, chn:dword, data:dword
		951	push eax edx
		952	mov eax, dword [reg]
		953	shl eax, 16
		954	or eax, dword [chn]
		955
		956	mov edx, PTR
		957	call [ctrl.ctrl_write32]
		958
		959	mov eax, dword [data]
		960	mov edx, DATA
		961	call [ctrl.ctrl_write32]
		962	pop edx eax
		963	ret
		964	endp
		965
		966	align 4
		967	proc intr_enable stdcall, intrenb:dword
		968	push edx
		969	mov edx, INTE
		970	call [ctrl.ctrl_read32]
		971
		972	or eax, dword [intrenb]
		973	mov edx, INTE
		974	call [ctrl.ctrl_write32]
		975	pop edx
		976	ret
		977	endp
		978
		979	align 4
		980	proc intr_disable stdcall, intrenb:dword
		981	push eax ebx edx
		982	mov edx, INTE
		983	call [ctrl.ctrl_read32]
		984
		985	mov ebx, dword [intrenb]
		986	xor ebx, -1
		987	and eax, ebx
		988	mov edx, INTE
		989	call [ctrl.ctrl_write32]
		990	pop edx ebx eax
		991	ret
		992	endp
		993
		994	align 4
		995	proc gpio_write stdcall, value:dword
		996	push eax edx
		997	mov eax, dword [value]
		998	mov edx, GPIO
		999	call [ctrl.ctrl_write32]
		1000	pop edx eax
		1001	ret
		1002	endp
		1003
		1004
		1005	align 4
		1006	proc StallExec
		1007	push ecx
		1008	push edx
		1009	push ebx
		1010	push eax
		1011
		1012	mov ecx, CPU_FREQ
		1013	mul ecx
		1014	mov ebx, eax ;low
		1015	mov ecx, edx ;high
		1016	rdtsc
		1017	add ebx, eax
		1018	adc ecx, edx
		1019	@@:
		1020	rdtsc
		1021	sub eax, ebx
		1022	sbb edx, ecx
		1023	js @B
		1024
		1025	pop eax
		1026	pop ebx
		1027	pop edx
		1028	pop ecx
		1029	ret
		1030	endp
		1031
		1032	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1033	; CONTROLLER IO functions
		1034	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1035
		1036	align 4
		1037	proc codec_io_r16 ;Not used.
		1038	;mov edx, [ctrl.ctrl_io_base]
		1039	;in eax, dx
		1040	ret
		1041	endp
		1042
		1043	align 4
		1044	proc codec_io_w16 ;Not used.
		1045	;mov edx, [ctrl.ctrl_io_base]
		1046	;out dx, eax
		1047	ret
		1048	endp
		1049
		1050	align 4
		1051	proc ctrl_io_r8
		1052	add edx, [ctrl.ctrl_io_base]
		1053	in al, dx
		1054	ret
		1055	endp
		1056
		1057	align 4
		1058	proc ctrl_io_r16
		1059	add edx, [ctrl.ctrl_io_base]
		1060	in ax, dx
		1061	ret
		1062	endp
		1063
		1064	align 4
		1065	proc ctrl_io_r32
		1066	add edx, [ctrl.ctrl_io_base]
		1067	in eax, dx
		1068	ret
		1069	endp
		1070
		1071	align 4
		1072	proc ctrl_io_w8
		1073	add edx, [ctrl.ctrl_io_base]
		1074	out dx, al
		1075	ret
		1076	endp
		1077
		1078	align 4
		1079	proc ctrl_io_w16
		1080	add edx, [ctrl.ctrl_io_base]
		1081	out dx, ax
		1082	ret
		1083	endp
		1084
		1085	align 4
		1086	proc ctrl_io_w32
		1087	add edx, [ctrl.ctrl_io_base]
		1088	out dx, eax
		1089	ret
		1090	endp
		1091
		1092
		1093	align 4
		1094	dword2str:
		1095	push eax ebx ecx
		1096	mov esi, hex_buff
		1097	mov ecx, -8
		1098	@@:
		1099	rol eax, 4
		1100	mov ebx, eax
		1101	and ebx, 0x0F
		1102	mov bl, [ebx+hexletters]
		1103	mov [8+esi+ecx], bl
		1104	inc ecx
		1105	jnz @B
		1106	pop ecx ebx eax
		1107	ret
		1108
		1109	hexletters db '0123456789ABCDEF'
		1110	hex_buff db 8 dup(0),13,10,0
		1111
		1112
		1113	include "codec.inc"
		1114
		1115	align 4
		1116	devices dd (CTRL_CT0200 shl 16)+VID_Creative,msg_CT_EMU10K1X,set_Creative
		1117	dd 0 ;terminator
		1118
		1119
		1120	version dd (5 shl 16) or (API_VERSION and 0xFFFF)
		1121
		1122	msg_CT_EMU10K1X db 'SB Live! Dell OEM', 13,10, 0
		1123	msg_Creative db 'Creative ', 0
		1124
		1125	szKernel db 'KERNEL', 0
		1126	sz_sound_srv db 'SOUND',0
		1127
		1128	msgInit db 'detect hardware...',13,10,0
		1129	msgFail db 'device not found',13,10,0
		1130	msgAttchIRQ db 'IRQ line not supported', 13,10, 0
		1131	msgInvIRQ db 'IRQ line not assigned or invalid', 13,10, 0
		1132	msgPlay db 'start play', 13,10,0
		1133	msgStop db 'stop play', 13,10,0
		1134	msgIRQ db 'AC97 IRQ', 13,10,0
		1135	;msgInitCtrl db 'init controller',13,10,0
		1136	;msgInitCodec db 'init codec',13,10,0
		1137	msgPrimBuff db 'create primary buffer ...',0
		1138	msgDone db 'done',13,10,0
		1139	msgRemap db 'Remap IRQ',13,10,0
		1140	;msgReg db 'set service handler',13,10,0
		1141	;msgOk db 'service installed',13,10,0
		1142	msgCold db 'cold reset',13,10,0
		1143	;msgWarm db 'warm reset',13,10,0
		1144	;msgWRFail db 'warm reset failed',13,10,0
		1145	msgCRFail db 'cold reset failed',13,10,0
		1146	;msgCFail db 'codec not ready',13,10,0
		1147	;msgCInvalid db 'codec is not valid',13,10,0 ;Asper
		1148	;msgResetOk db 'reset complete',13,10,0
		1149	;msgStatus db 'global status ',0
		1150	;msgControl db 'global control ',0
		1151	msgPciCmd db 'PCI command ',0
		1152	msgPciStat db 'PCI status ',0
		1153	msgPciSubsys db 'PCI subsystem ',0
		1154	msgCtrlIsaIo db 'controller io base ',0
		1155	;msgMixIsaIo db 'codec io base ',0
		1156	;msgCtrlMMIo db 'controller mmio base ',0
		1157	;msgMixMMIo db 'codec mmio base ',0
		1158	;msgIrqMap db 'AC97 irq map as ',0
		1159
		1160	section '.data' data readable writable align 16
		1161
		1162	pcmout_bdl rq 32
		1163	buff_list rd 32
		1164
		1165	codec CODEC
		1166	ctrl AC_CNTRL

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(root)/drivers/audio/emu10k1x.asm @ 7585 – Rev 1546