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kolibrios/kernel/trunk/drivers/vt823(x).ASM

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Driver for VIA soundcards renamed. git-svn-id: svn://kolibrios.org@1548 a494cfbc-eb01-0410-851d-a64ba20cac60
2010-08-02 00:04:15 +02:00
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
format MS COFF
DEBUG equ 1
include 'proc32.inc'
include 'imports.inc'
API_VERSION equ 0x01000100
USE_COM_IRQ equ 0 ;make irq 3 and irq 4 available for PCI devices
IRQ_REMAP equ 0
IRQ_LINE equ 0
;irq 0,1,2,8,12,13 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㯭<EFBFBD>
; FEDCBA9876543210
VALID_IRQ equ 1100111011111000b
ATTCH_IRQ equ 0000111010100000b
if USE_COM_IRQ
ATTCH_IRQ equ 0000111010111000b
end if
CPU_FREQ equ 2600d
BIT0 EQU 0x00000001
BIT1 EQU 0x00000002
BIT5 EQU 0x00000020
BIT10 EQU 0x00000400
VID_VIA equ 0x1106
CTRL_VT82C686 equ 0x3058
CTRL_VT8233_5 equ 0x3059
CODEC_MASTER_VOL_REG equ 0x02
CODEC_AUX_VOL equ 0x04 ;
CODEC_PCM_OUT_REG equ 0x18 ; PCM output volume
CODEC_EXT_AUDIO_REG equ 0x28 ; extended audio
CODEC_EXT_AUDIO_CTRL_REG equ 0x2a ; extended audio control
CODEC_PCM_FRONT_DACRATE_REG equ 0x2c ; PCM out sample rate
CODEC_PCM_SURND_DACRATE_REG equ 0x2e ; surround sound sample rate
CODEC_PCM_LFE_DACRATE_REG equ 0x30 ; LFE sample rate
;VIA host controller registers set
;; common offsets
VIA_REG_OFFSET_STATUS equ 0x00 ;; byte - channel status
VIA_REG_STAT_ACTIVE equ 0x80 ;; RO
VIA_REG_STAT_PAUSED equ 0x40 ;; RO
VIA_REG_STAT_TRIGGER_QUEUED equ 0x08 ;; RO
VIA_REG_STAT_STOPPED equ 0x04 ;; RWC
VIA_REG_STAT_EOL equ 0x02 ;; RWC
VIA_REG_STAT_FLAG equ 0x01 ;; RWC
VIA_REG_OFFSET_CONTROL equ 0x01 ;; byte - channel control
VIA_REG_CTRL_START equ 0x80 ;; WO
VIA_REG_CTRL_TERMINATE equ 0x40 ;; WO
VIA_REG_CTRL_AUTOSTART equ 0x20
VIA_REG_CTRL_PAUSE equ 0x08 ;; RW
VIA_REG_CTRL_INT_STOP equ 0x04
VIA_REG_CTRL_INT_EOL equ 0x02
VIA_REG_CTRL_INT_FLAG equ 0x01
VIA_REG_CTRL_RESET equ 0x01 ;; RW - probably reset? undocumented
VIA_REG_CTRL_INT equ (VIA_REG_CTRL_INT_FLAG or \
VIA_REG_CTRL_INT_EOL or \
VIA_REG_CTRL_AUTOSTART)
VIA_REG_OFFSET_TYPE equ 0x02 ;; byte - channel type (686 only)
VIA_REG_TYPE_AUTOSTART equ 0x80 ;; RW - autostart at EOL
VIA_REG_TYPE_16BIT equ 0x20 ;; RW
VIA_REG_TYPE_STEREO equ 0x10 ;; RW
VIA_REG_TYPE_INT_LLINE equ 0x00
VIA_REG_TYPE_INT_LSAMPLE equ 0x04
VIA_REG_TYPE_INT_LESSONE equ 0x08
VIA_REG_TYPE_INT_MASK equ 0x0c
VIA_REG_TYPE_INT_EOL equ 0x02
VIA_REG_TYPE_INT_FLAG equ 0x01
VIA_REG_OFFSET_TABLE_PTR equ 0x04 ;; dword - channel table pointer
VIA_REG_OFFSET_CURR_PTR equ 0x04 ;; dword - channel current pointer
VIA_REG_OFFSET_STOP_IDX equ 0x08 ;; dword - stop index, channel type, sample rate
VIA8233_REG_TYPE_16BIT equ 0x00200000 ;; RW
VIA8233_REG_TYPE_STEREO equ 0x00100000 ;; RW
VIA_REG_OFFSET_CURR_COUNT equ 0x0c ;; dword - channel current count (24 bit)
VIA_REG_OFFSET_CURR_INDEX equ 0x0f ;; byte - channel current index (for via8233 only)
VIADEV_PLAYBACK equ 0x00
VIADEV_CAPTURE equ 0x10
VIADEV_FM equ 0x20
;; AC'97 ;;
VIA_REG_AC97 equ 0x80 ; dword
VIA_REG_AC97_CODEC_ID_MASK equ 0xC0000000 ;(3<<30)
VIA_REG_AC97_CODEC_ID_SHIFT equ 30
VIA_REG_AC97_CODEC_ID_PRIMARY equ 0x00
VIA_REG_AC97_CODEC_ID_SECONDARY equ 0x01
VIA_REG_AC97_SECONDARY_VALID equ 0x08000000 ;(1<<27)
VIA_REG_AC97_PRIMARY_VALID equ 0x02000000 ;(1<<25)
VIA_REG_AC97_BUSY equ 0x01000000 ;(1<<24)
VIA_REG_AC97_READ equ 0x00800000 ;(1<<23)
VIA_REG_AC97_CMD_SHIFT equ 16
VIA_REG_AC97_CMD_MASK equ 0x7E
VIA_REG_AC97_DATA_SHIFT equ 0
VIA_REG_AC97_DATA_MASK equ 0xFFFF
VIA_REG_SGD_SHADOW equ 0x84 ; dword
;; via8233-specific registers ;;
VIA_REG_OFS_PLAYBACK_VOLUME_L equ 0x02 ;; byte
VIA_REG_OFS_PLAYBACK_VOLUME_R equ 0x03 ;; byte
VIA_REG_OFS_MULTPLAY_FORMAT equ 0x02 ;; byte - format and channels
VIA_REG_MULTPLAY_FMT_8BIT equ 0x00
VIA_REG_MULTPLAY_FMT_16BIT equ 0x80
VIA_REG_MULTPLAY_FMT_CH_MASK equ 0x70 ;; # channels << 4 (valid = 1,2,4,6)
VIA_REG_OFS_CAPTURE_FIFO equ 0x02 ;; byte - bit 6 = fifo enable
VIA_REG_CAPTURE_FIFO_ENABLE equ 0x40
VIA_DXS_MAX_VOLUME equ 31 ;; max. volume (attenuation) of reg 0x32/33
VIA_TBL_BIT_FLAG equ 0x40000000
VIA_TBL_BIT_EOL equ 0x80000000
;; pci space ;;
VIA_ACLINK_STAT equ 0x40
;...
VIA_ACLINK_C00_READY equ 0x01 ; primary codec ready
VIA_ACLINK_CTRL equ 0x41
VIA_ACLINK_CTRL_ENABLE equ 0x80 ; 0: disable, 1: enable
VIA_ACLINK_CTRL_RESET equ 0x40 ; 0: assert, 1: de-assert
VIA_ACLINK_CTRL_SYNC equ 0x20 ; 0: release SYNC, 1: force SYNC hi
VIA_ACLINK_CTRL_SDO equ 0x10 ; 0: release SDO, 1: force SDO hi
VIA_ACLINK_CTRL_VRA equ 0x08 ; 0: disable VRA, 1: enable VRA
VIA_ACLINK_CTRL_PCM equ 0x04 ; 0: disable PCM, 1: enable PCM
VIA_ACLINK_CTRL_FM equ 0x02 ; via686 only
VIA_ACLINK_CTRL_SB equ 0x01 ; via686 only
VIA_ACLINK_CTRL_INIT equ (VIA_ACLINK_CTRL_ENABLE or \
VIA_ACLINK_CTRL_RESET or \
VIA_ACLINK_CTRL_PCM or \
VIA_ACLINK_CTRL_VRA)
VIA_FUNC_ENABLE equ 0x42
VIA_FUNC_MIDI_PNP equ 0x80 ; FIXME: it's 0x40 in the datasheet!
VIA_FUNC_MIDI_IRQMASK equ 0x40 ; FIXME: not documented!
VIA_FUNC_RX2C_WRITE equ 0x20
VIA_FUNC_SB_FIFO_EMPTY equ 0x10
VIA_FUNC_ENABLE_GAME equ 0x08
VIA_FUNC_ENABLE_FM equ 0x04
VIA_FUNC_ENABLE_MIDI equ 0x02
VIA_FUNC_ENABLE_SB equ 0x01
VIA_PNP_CONTROL equ 0x43
VIA_FM_NMI_CTRL equ 0x48
VIA8233_VOLCHG_CTRL equ 0x48
VIA8233_SPDIF_CTRL equ 0x49
VIA8233_SPDIF_DX3 equ 0x08
VIA8233_SPDIF_SLOT_MASK equ 0x03
VIA8233_SPDIF_SLOT_1011 equ 0x00
VIA8233_SPDIF_SLOT_34 equ 0x01
VIA8233_SPDIF_SLOT_78 equ 0x02
VIA8233_SPDIF_SLOT_69 equ 0x03
;] Asper
SRV_GETVERSION equ 0
DEV_PLAY equ 1
DEV_STOP equ 2
DEV_CALLBACK equ 3
DEV_SET_BUFF equ 4
DEV_NOTIFY equ 5
DEV_SET_MASTERVOL equ 6
DEV_GET_MASTERVOL equ 7
DEV_GET_INFO equ 8
struc AC_CNTRL ;AC controller base class
{ .bus dd ?
.devfn dd ?
.vendor dd ?
.dev_id dd ?
.pci_cmd dd ?
.pci_stat dd ?
.codec_io_base dd ?
.codec_mem_base dd ?
.ctrl_io_base dd ?
.ctrl_mem_base dd ?
.cfg_reg dd ?
.int_line dd ?
.vendor_ids dd ? ;vendor id string
.ctrl_ids dd ? ;hub id string
.buffer dd ?
.notify_pos dd ?
.notify_task dd ?
.lvi_reg dd ?
.ctrl_setup dd ?
.user_callback dd ?
.codec_read16 dd ?
.codec_write16 dd ?
.ctrl_read8 dd ?
.ctrl_read16 dd ?
.ctrl_read32 dd ?
.ctrl_write8 dd ?
.ctrl_write16 dd ?
.ctrl_write32 dd ?
}
struc CODEC ;Audio Chip base class
{
.chip_id dd ?
.flags dd ?
.status dd ?
.ac_vendor_ids dd ? ;ac vendor id string
.chip_ids dd ? ;chip model string
.shadow_flag dd ?
dd ?
.regs dw ? ; codec registers
.reg_master_vol dw ? ;0x02
.reg_aux_out_vol dw ? ;0x04
.reg_mone_vol dw ? ;0x06
.reg_master_tone dw ? ;0x08
.reg_beep_vol dw ? ;0x0A
.reg_phone_vol dw ? ;0x0C
.reg_mic_vol dw ? ;0x0E
.reg_line_in_vol dw ? ;0x10
.reg_cd_vol dw ? ;0x12
.reg_video_vol dw ? ;0x14
.reg_aux_in_vol dw ? ;0x16
.reg_pcm_out_vol dw ? ;0x18
.reg_rec_select dw ? ;0x1A
.reg_rec_gain dw ? ;0x1C
.reg_rec_gain_mic dw ? ;0x1E
.reg_gen dw ? ;0x20
.reg_3d_ctrl dw ? ;0X22
.reg_page dw ? ;0X24
.reg_powerdown dw ? ;0x26
.reg_ext_audio dw ? ;0x28
.reg_ext_st dw ? ;0x2a
.reg_pcm_front_rate dw ? ;0x2c
.reg_pcm_surr_rate dw ? ;0x2e
.reg_lfe_rate dw ? ;0x30
.reg_pcm_in_rate dw ? ;0x32
dw ? ;0x34
.reg_cent_lfe_vol dw ? ;0x36
.reg_surr_vol dw ? ;0x38
.reg_spdif_ctrl dw ? ;0x3A
dw ? ;0x3C
dw ? ;0x3E
dw ? ;0x40
dw ? ;0x42
dw ? ;0x44
dw ? ;0x46
dw ? ;0x48
dw ? ;0x4A
dw ? ;0x4C
dw ? ;0x4E
dw ? ;0x50
dw ? ;0x52
dw ? ;0x54
dw ? ;0x56
dw ? ;0x58
dw ? ;0x5A
dw ? ;0x5C
dw ? ;0x5E
.reg_page_0 dw ? ;0x60
.reg_page_1 dw ? ;0x62
.reg_page_2 dw ? ;0x64
.reg_page_3 dw ? ;0x66
.reg_page_4 dw ? ;0x68
.reg_page_5 dw ? ;0x6A
.reg_page_6 dw ? ;0x6C
.reg_page_7 dw ? ;0x6E
dw ? ;0x70
dw ? ;0x72
dw ? ;0x74
dw ? ;0x76
dw ? ;0x78
dw ? ;0x7A
.reg_vendor_id_1 dw ? ;0x7C
.reg_vendor_id_2 dw ? ;0x7E
.reset dd ? ;virual
.set_master_vol dd ?
}
struc CTRL_INFO
{ .pci_cmd dd ?
.irq dd ?
.glob_cntrl dd ?
.glob_sta dd ?
.codec_io_base dd ?
.ctrl_io_base dd ?
.codec_mem_base dd ?
.ctrl_mem_base dd ?
.codec_id dd ?
}
struc IOCTL
{ .handle dd ?
.io_code dd ?
.input dd ?
.inp_size dd ?
.output dd ?
.out_size dd ?
}
virtual at 0
IOCTL IOCTL
end virtual
EVENT_NOTIFY equ 0x00000200
public START
public service_proc
public version
section '.flat' code readable align 16
proc START stdcall, state:dword
cmp [state], 1
jne .stop
if DEBUG
mov esi, msgInit
call SysMsgBoardStr
end if
call detect_controller
test eax, eax
jz .fail
if DEBUG
mov esi,[ctrl.vendor_ids]
call SysMsgBoardStr
mov esi, [ctrl.ctrl_ids]
call SysMsgBoardStr
end if
call init_controller
test eax, eax
jz .fail
call init_codec
test eax, eax
jz .fail
call setup_codec
mov esi, msgPrimBuff
call SysMsgBoardStr
call create_primary_buff
mov esi, msgDone
call SysMsgBoardStr
if IRQ_REMAP
pushf
cli
mov ebx, [ctrl.int_line]
in al, 0xA1
mov ah, al
in al, 0x21
test ebx, ebx
jz .skip
bts ax, bx ;mask old line
.skip:
bts ax, IRQ_LINE ;mask new ine
out 0x21, al
mov al, ah
out 0xA1, al
stdcall PciWrite8, 0, 0xF8, 0x61, IRQ_LINE ;remap IRQ
mov dx, 0x4d0 ;8259 ELCR1
in al, dx
bts ax, IRQ_LINE
out dx, al ;set level-triggered mode
mov [ctrl.int_line], IRQ_LINE
popf
mov esi, msgRemap
call SysMsgBoardStr
end if
mov eax, VALID_IRQ
mov ebx, [ctrl.int_line]
mov esi, msgInvIRQ
bt eax, ebx
jnc .fail_msg
mov eax, ATTCH_IRQ
mov esi, msgAttchIRQ
bt eax, ebx
jnc .fail_msg
stdcall AttachIntHandler, ebx, ac97_irq_VIA, dword 0
.reg:
stdcall RegService, sz_sound_srv, service_proc
ret
.fail:
if DEBUG
mov esi, msgFail
call SysMsgBoardStr
end if
xor eax, eax
ret
.fail_msg:
call SysMsgBoardStr
xor eax, eax
ret
.stop:
call stop
xor eax, eax
ret
endp
handle equ IOCTL.handle
io_code equ IOCTL.io_code
input equ IOCTL.input
inp_size equ IOCTL.inp_size
output equ IOCTL.output
out_size equ IOCTL.out_size
align 4
proc service_proc stdcall, ioctl:dword
mov edi, [ioctl]
mov eax, [edi+io_code]
cmp eax, SRV_GETVERSION
jne @F
mov eax, [edi+output]
cmp [edi+out_size], 4
jne .fail
mov [eax], dword API_VERSION
xor eax, eax
ret
@@:
cmp eax, DEV_PLAY
jne @F
if DEBUG
mov esi, msgPlay
call SysMsgBoardStr
end if
call play
ret
@@:
cmp eax, DEV_STOP
jne @F
if DEBUG
mov esi, msgStop
call SysMsgBoardStr
end if
call stop
ret
@@:
cmp eax, DEV_CALLBACK
jne @F
mov ebx, [edi+input]
stdcall set_callback, [ebx]
ret
@@:
cmp eax, DEV_SET_MASTERVOL
jne @F
mov eax, [edi+input]
mov eax, [eax]
call set_master_vol ;eax= vol
ret
@@:
cmp eax, DEV_GET_MASTERVOL
jne @F
mov ebx, [edi+output]
stdcall get_master_vol, ebx
ret
@@:
cmp eax, DEV_GET_INFO
jne @F
mov ebx, [edi+output]
stdcall get_dev_info, ebx
ret
@@:
.fail:
or eax, -1
ret
endp
restore handle
restore io_code
restore input
restore inp_size
restore output
restore out_size
align 4
proc ac97_irq_VIA
locals
status db 0
endl
mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STATUS
call [ctrl.ctrl_read8]
test al, VIA_REG_STAT_ACTIVE
jz @f
and al, VIA_REG_STAT_EOL or VIA_REG_STAT_FLAG or VIA_REG_STAT_STOPPED
mov byte [status], al
mov ebx, dword [buff_list]
cmp [ctrl.user_callback], 0
je @f
stdcall [ctrl.user_callback], ebx
@@:
mov al, byte [status] ;; ack ;;
mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STATUS
call [ctrl.ctrl_write8]
ret
endp
align 4
proc create_primary_buff
stdcall KernelAlloc, 0x10000
mov [ctrl.buffer], eax
mov edi, eax
mov ecx, 0x10000/4
xor eax, eax
cld
rep stosd
mov eax, [ctrl.buffer]
call GetPgAddr
mov edi, pcmout_bdl
stosd
mov eax, 0x80004000
stosd
mov edi, buff_list
mov eax, [ctrl.buffer]
mov ecx, 4
@@:
mov [edi], eax
mov [edi+16], eax
mov [edi+32], eax
mov [edi+48], eax
mov [edi+64], eax
mov [edi+80], eax
mov [edi+96], eax
mov [edi+112], eax
;add eax, 0x4000
add edi, 4
loop @B
stdcall channel_reset, VIADEV_PLAYBACK
stdcall codec_check_ready
mov eax, pcmout_bdl
mov ebx, eax
call GetPgAddr
and ebx, 0xFFF
add eax, ebx
mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_TABLE_PTR
call [ctrl.ctrl_write32]
stdcall codec_check_ready
mov edx, VIADEV_PLAYBACK +VIA_REG_OFS_PLAYBACK_VOLUME_L
mov eax, 7;31
call [ctrl.ctrl_write8]
mov edx, VIADEV_PLAYBACK +VIA_REG_OFS_PLAYBACK_VOLUME_R
mov eax, 7;31
call [ctrl.ctrl_write8]
mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STOP_IDX
mov eax, VIA8233_REG_TYPE_16BIT or VIA8233_REG_TYPE_STEREO or 0xfffff or 0xff000000
mov [ctrl.lvi_reg], 16;0xF;eax
call [ctrl.ctrl_write32]
stdcall codec_check_ready
ret
endp
proc channel_reset channel:dword
mov esi, dword [channel]
mov edx, esi
add edx, VIA_REG_OFFSET_CONTROL
mov eax, VIA_REG_CTRL_PAUSE or VIA_REG_CTRL_TERMINATE or VIA_REG_CTRL_RESET
call [ctrl.ctrl_write8]
mov edx, esi
add edx, VIA_REG_OFFSET_CONTROL
call [ctrl.ctrl_read8]
mov eax, 50000 ; wait 50 ms
call StallExec
; disable interrupts
mov edx, esi
add edx, VIA_REG_OFFSET_CONTROL
xor eax, eax
call [ctrl.ctrl_write8]
; clear interrupts
mov edx, esi
add edx, VIA_REG_OFFSET_STATUS
mov eax, 0x03
call [ctrl.ctrl_write8]
;outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */
; mov edx, esi ;; for via686
; add edx, VIA_REG_OFFSET_TYPE
; mov eax, 0x03
; call [ctrl.ctrl_write8]
;; outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR));
;mov edx, esi
;add edx, VIA_REG_OFFSET_CURR_PTR
;xor eax, eax
;call [ctrl.ctrl_write8]
ret
endp
align 4
proc detect_controller
locals
last_bus dd ?
bus dd ?
devfn dd ?
endl
xor eax, eax
mov [bus], eax
inc eax
call PciApi
cmp eax, -1
je .err
mov [last_bus], eax
.next_bus:
and [devfn], 0
.next_dev:
stdcall PciRead32, [bus], [devfn], dword 0
test eax, eax
jz .next
cmp eax, -1
je .next
mov edi, devices
@@:
mov ebx, [edi]
test ebx, ebx
jz .next
cmp eax, ebx
je .found
add edi, 12
jmp @B
.next:
inc [devfn]
cmp [devfn], 256
jb .next_dev
mov eax, [bus]
inc eax
mov [bus], eax
cmp eax, [last_bus]
jna .next_bus
xor eax, eax
ret
.found:
mov ebx, [bus]
mov [ctrl.bus], ebx
mov ecx, [devfn]
mov [ctrl.devfn], ecx
mov edx, eax
and edx, 0xFFFF
mov [ctrl.vendor], edx
shr eax, 16
mov [ctrl.dev_id], eax
mov ebx, [edi+4]
mov [ctrl.ctrl_ids], ebx
mov esi, [edi+8]
mov [ctrl.ctrl_setup], esi
cmp edx, VID_VIA
jne @F
mov [ctrl.vendor_ids], msg_VIA
ret
@@:
.err:
xor eax, eax
mov [ctrl.vendor_ids], eax ;something wrong ?
ret
endp
align 4
proc init_controller
stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 4
mov ebx, eax
and eax, 0xFFFF
mov [ctrl.pci_cmd], eax
shr ebx, 16
mov [ctrl.pci_stat], ebx
mov esi, msgPciCmd
call SysMsgBoardStr
call dword2str
call SysMsgBoardStr
mov esi, msgPciStat
call SysMsgBoardStr
mov eax, [ctrl.pci_stat]
call dword2str
call SysMsgBoardStr
mov esi, msgCtrlIsaIo
call SysMsgBoardStr
stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x10
call dword2str
call SysMsgBoardStr
and eax, 0xFFC0
mov [ctrl.ctrl_io_base], eax
.default:
stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x3C
and eax, 0xFF
@@:
mov [ctrl.int_line], eax
;stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_FUNC_ENABLE ;0x42
;mov byte [old_legacy], al
;stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_PNP_CONTROL ;0x43
;mov byte [old_legacy_cfg], al
;mov al, VIA_FUNC_ENABLE_SB or VIA_FUNC_ENABLE_FM
;xor al, 0xFF
;and al, byte [old_legacy]
;and eax, 0xFF
;stdcall PciWrite8, [ctrl.bus], [ctrl.devfn], dword VIA_FUNC_ENABLE, eax ;0x42
;mov byte [old_legacy], al
call [ctrl.ctrl_setup]
xor eax, eax
inc eax
ret
endp
align 4
proc set_VIA
mov [ctrl.codec_read16], codec_io_r16 ;virtual
mov [ctrl.codec_write16], codec_io_w16 ;virtual
mov [ctrl.ctrl_read8 ], ctrl_io_r8 ;virtual
mov [ctrl.ctrl_read16], ctrl_io_r16 ;virtual
mov [ctrl.ctrl_read32], ctrl_io_r32 ;virtual
mov [ctrl.ctrl_write8 ], ctrl_io_w8 ;virtual
mov [ctrl.ctrl_write16], ctrl_io_w16 ;virtual
mov [ctrl.ctrl_write32], ctrl_io_w32 ;virtual
ret
endp
align 4
proc init_codec
locals
counter dd ?
endl
mov esi, msgControl
call SysMsgBoardStr
stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL
and eax, 0xFF
call dword2str
call SysMsgBoardStr
mov esi, msgStatus
call SysMsgBoardStr
stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_STAT
and eax, 0xFF
push eax
call dword2str
call SysMsgBoardStr
pop eax
test eax, VIA_ACLINK_C00_READY
jz .ready
call reset_codec
test eax, eax
jz .err
.ready:
xor edx, edx ; ac_reg_0
call [ctrl.codec_write16]
jmp .done
.err:
xor eax, eax ; timeout error
ret
.done:
call detect_codec
xor eax, eax
inc eax
ret
endp
align 4
proc reset_codec
stdcall PciWrite8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL, \
VIA_ACLINK_CTRL_ENABLE or VIA_ACLINK_CTRL_RESET or VIA_ACLINK_CTRL_SYNC
mov eax, 100000 ; wait 100 ms
call StallExec
.cold:
call cold_reset
jnc .ok
if DEBUG
mov esi, msgCFail
call SysMsgBoardStr
end if
xor eax, eax ; timeout error
ret
.ok:
if DEBUG
mov esi, msgResetOk
call SysMsgBoardStr
end if
xor eax, eax
inc eax
ret
endp
align 4
proc cold_reset
locals
counter dd ?
endl
stdcall PciWrite8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL, dword 0
if DEBUG
mov esi, msgCold
call SysMsgBoardStr
end if
mov eax, 100000 ; wait 100 ms ;400000 ; wait 400 ms
call StallExec
;; ACLink on, deassert ACLink reset, VSR, SGD data out
;; note - FM data out has trouble with non VRA codecs !!
stdcall PciWrite8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL, dword VIA_ACLINK_CTRL_INIT
mov [counter], 16 ; total 20*100 ms = 2s
.wait:
stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_STAT
test eax, VIA_ACLINK_C00_READY
jnz .ok
mov eax, 100000 ; wait 100 ms
call StallExec
dec [counter]
jnz .wait
if DEBUG
mov esi, msgCRFail
call SysMsgBoardStr
end if
.fail:
stc
ret
.ok:
mov esi, msgControl
call SysMsgBoardStr
stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_CTRL
call dword2str
call SysMsgBoardStr
mov esi, msgStatus
call SysMsgBoardStr
stdcall PciRead8, [ctrl.bus], [ctrl.devfn], dword VIA_ACLINK_STAT
and eax, 0xFF
push eax
call dword2str
call SysMsgBoardStr
pop eax
test eax, VIA_ACLINK_C00_READY ;CTRL_ST_CREADY
jz .fail
clc
ret
endp
align 4
play:
mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STOP_IDX
mov eax, VIA8233_REG_TYPE_16BIT or VIA8233_REG_TYPE_STEREO or 0xfffff or 0xff000000
mov [ctrl.lvi_reg], 16
call [ctrl.ctrl_write32]
mov eax, VIA_REG_CTRL_INT
or eax, VIA_REG_CTRL_START
mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_CONTROL
call [ctrl.ctrl_write8]
xor eax, eax
ret
align 4
stop:
mov eax, VIA_REG_CTRL_INT
or eax, VIA_REG_CTRL_TERMINATE
mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_CONTROL
call [ctrl.ctrl_write8]
stdcall channel_reset, VIADEV_PLAYBACK
xor eax, eax
ret
align 4
proc get_dev_info stdcall, p_info:dword
virtual at esi
CTRL_INFO CTRL_INFO
end virtual
mov esi, [p_info]
mov eax, [ctrl.int_line]
mov ecx, [ctrl.ctrl_io_base]
mov [CTRL_INFO.irq], eax
mov [CTRL_INFO.ctrl_io_base], ecx
xor eax, eax
;mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_TABLE_PTR
;call [ctrl.ctrl_read32]
mov [CTRL_INFO.codec_io_base], eax
;mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STOP_IDX
;call [ctrl.ctrl_read32]
mov [CTRL_INFO.codec_mem_base], eax
;mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_CURR_COUNT
;call [ctrl.ctrl_read32]
mov [CTRL_INFO.ctrl_mem_base], eax
mov eax, [codec.chip_id]
mov [CTRL_INFO.codec_id], eax
mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_CONTROL
call [ctrl.ctrl_read8]
and eax, 0xFF
mov [CTRL_INFO.glob_cntrl], eax
mov edx, VIADEV_PLAYBACK +VIA_REG_OFFSET_STATUS
call [ctrl.ctrl_read8]
and eax, 0xFF
mov [CTRL_INFO.glob_sta], eax
mov ebx, [ctrl.pci_cmd]
mov [CTRL_INFO.pci_cmd], ebx
ret
endp
align 4
proc set_callback stdcall, handler:dword
mov eax, [handler]
mov [ctrl.user_callback], eax
ret
endp
align 4
proc codec_check_ready stdcall
locals
counter dd ?
endl
mov [counter], 1000 ; total 1000*1 ms = 1s
.wait:
call [ctrl.codec_read16]
test eax, VIA_REG_AC97_BUSY
jz .ok
mov eax, 1000 ; wait 1 ms
call StallExec
sub [counter] , 1
jnz .wait
.err:
mov eax, -1
ret
.ok:
and eax, 0xFFFF
ret
endp
align 4
proc codec_valid stdcall
stdcall codec_check_ready
ret
endp
align 4
proc codec_read stdcall, ac_reg:dword ; reg = edx, reval = eax
locals
counter dd ?
endl
;Use only primary codec.
mov eax, [ac_reg]
and eax, 0x7F
shl eax, VIA_REG_AC97_CMD_SHIFT
or eax, VIA_REG_AC97_PRIMARY_VALID or VIA_REG_AC97_READ
mov [counter], 3 ; total 3*20 ms = 60ms
.wait:
push eax
call [ctrl.codec_write16]
mov eax, 20000 ; wait 20 ms
call StallExec
stdcall codec_valid,
cmp eax, 0
pop eax
jge .ok
sub [counter] , 1
jnz .wait
jmp .err
.ok:
mov eax, 25000 ; wait 25 ms
call StallExec
call [ctrl.codec_read16] ;change edx !!!
and eax, 0xFFFF
ret
.err:
if DEBUG
mov esi, msgCInvalid
call SysMsgBoardStr
end if
mov eax, -1 ; invalid codec error
ret
endp
align 4
proc codec_write stdcall, ac_reg:dword
;Use only primary codec.
mov esi, [ac_reg]
mov edx, esi
shl edx, VIA_REG_AC97_CMD_SHIFT
shl eax, VIA_REG_AC97_DATA_SHIFT
or edx, eax
mov eax, VIA_REG_AC97_CODEC_ID_PRIMARY ;not VIA_REG_AC97_CODEC_ID_PRIMARY
shl eax, VIA_REG_AC97_CODEC_ID_SHIFT
or edx, eax
mov eax, edx
mov edx, esi
call [ctrl.codec_write16]
mov [codec.regs+esi], ax
stdcall codec_check_ready
cmp eax, 0
jl .err
.ok:
ret
.err:
if DEBUG
mov esi, msgCFail
call SysMsgBoardStr
end if
;mov eax, -1 ; codec not ready error
ret
endp
align 4
proc StallExec
push ecx
push edx
push ebx
push eax
mov ecx, CPU_FREQ
mul ecx
mov ebx, eax ;low
mov ecx, edx ;high
rdtsc
add ebx, eax
adc ecx, edx
@@:
rdtsc
sub eax, ebx
sbb edx, ecx
js @B
pop eax
pop ebx
pop edx
pop ecx
ret
endp
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; CONTROLLER IO functions
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 4
proc codec_io_r16 ;r32
mov edx, [ctrl.ctrl_io_base]
add edx, VIA_REG_AC97
in eax, dx
ret
endp
align 4
proc codec_io_w16 ;w32
mov edx, [ctrl.ctrl_io_base]
add edx, VIA_REG_AC97
out dx, eax
ret
endp
align 4
proc ctrl_io_r8
add edx, [ctrl.ctrl_io_base]
in al, dx
ret
endp
align 4
proc ctrl_io_r16
add edx, [ctrl.ctrl_io_base]
in ax, dx
ret
endp
align 4
proc ctrl_io_r32
add edx, [ctrl.ctrl_io_base]
in eax, dx
ret
endp
align 4
proc ctrl_io_w8
add edx, [ctrl.ctrl_io_base]
out dx, al
ret
endp
align 4
proc ctrl_io_w16
add edx, [ctrl.ctrl_io_base]
out dx, ax
ret
endp
align 4
proc ctrl_io_w32
add edx, [ctrl.ctrl_io_base]
out dx, eax
ret
endp
align 4
dword2str:
push eax ebx ecx
mov esi, hex_buff
mov ecx, -8
@@:
rol eax, 4
mov ebx, eax
and ebx, 0x0F
mov bl, [ebx+hexletters]
mov [8+esi+ecx], bl
inc ecx
jnz @B
pop ecx ebx eax
ret
hexletters db '0123456789ABCDEF'
hex_buff db 8 dup(0),13,10,0
include "codec.inc"
align 4
devices dd (CTRL_VT82C686 shl 16)+VID_VIA,msg_VT82C686,set_VIA
dd (CTRL_VT8233_5 shl 16)+VID_VIA,msg_VT8233,set_VIA
dd 0 ;terminator
version dd (5 shl 16) or (API_VERSION and 0xFFFF)
msg_VT82C686 db 'VT82C686', 13,10, 0
msg_VT8233 db 'VT8233', 13,10, 0
msg_VIA db 'VIA' , 13,10, 0
szKernel db 'KERNEL', 0
sz_sound_srv db 'SOUND',0
msgInit db 'detect hardware...',13,10,0
msgFail db 'device not found',13,10,0
msgAttchIRQ db 'IRQ line not supported', 13,10, 0
msgInvIRQ db 'IRQ line not assigned or invalid', 13,10, 0
msgPlay db 'start play', 13,10,0
msgStop db 'stop play', 13,10,0
;msgIRQ db 'AC97 IRQ', 13,10,0
;msgInitCtrl db 'init controller',13,10,0
;msgInitCodec db 'init codec',13,10,0
msgPrimBuff db 'create primary buffer ...',0
msgDone db 'done',13,10,0
msgRemap db 'Remap IRQ',13,10,0
;msgReg db 'set service handler',13,10,0
;msgOk db 'service installed',13,10,0
msgCold db 'cold reset',13,10,0
;msgWarm db 'warm reset',13,10,0
;msgWRFail db 'warm reset failed',13,10,0
msgCRFail db 'cold reset failed',13,10,0
msgCFail db 'codec not ready',13,10,0
msgCInvalid db 'codec is not valid',13,10,0 ;Asper
msgResetOk db 'reset complete',13,10,0
msgStatus db 'global status ',0
msgControl db 'global control ',0
msgPciCmd db 'PCI command ',0
msgPciStat db 'PCI status ',0
msgCtrlIsaIo db 'controller io base ',0
;msgMixIsaIo db 'codec io base ',0
;msgCtrlMMIo db 'controller mmio base ',0
;msgMixMMIo db 'codec mmio base ',0
;msgIrqMap db 'AC97 irq map as ',0
section '.data' data readable writable align 16
pcmout_bdl rq 32
buff_list rd 32
codec CODEC
ctrl AC_CNTRL
chip_type rb 1
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