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kolibrios/kernel/trunk/drivers/ensoniq.asm

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Style corrected for new rules, no semantic changes git-svn-id: svn://kolibrios.org@2288 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-10-15 01:38:50 +04:00
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
1) Correcting information about copiright 2) VESA draw the small speedup git-svn-id: svn://kolibrios.org@2455 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-03-13 20:51:57 +04:00
;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
Style corrected for new rules, no semantic changes git-svn-id: svn://kolibrios.org@2288 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-10-15 01:38:50 +04:00
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;alpha version
format MS COFF
DEBUG equ 1
include 'proc32.inc'
include 'imports.inc'
REMAP_IRQ equ 0
;irq 0,1,2,8,12,13 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
; FEDCBA9876543210
VALID_IRQ equ 1100111011111000b
ATTCH_IRQ equ 0000111010101000b
IRQ_LINE equ 0
CPU_FREQ equ 2600d
BIT0 EQU 0x00000001
BIT1 EQU 0x00000002
BIT2 EQU 0x00000004
BIT3 EQU 0x00000008
BIT4 EQU 0x00000010
BIT5 EQU 0x00000020
BIT6 EQU 0x00000040
BIT7 EQU 0x00000080
BIT8 EQU 0x00000100
BIT9 EQU 0x00000200
BIT10 EQU 0x00000400
BIT11 EQU 0x00000800
BIT12 EQU 0x00001000
BIT13 EQU 0x00002000
BIT14 EQU 0x00004000
BIT15 EQU 0x00008000
BIT16 EQU 0x00010000
BIT17 EQU 0x00020000
BIT18 EQU 0x00040000
BIT19 EQU 0x00080000
BIT20 EQU 0x00100000
BIT21 EQU 0x00200000
BIT22 EQU 0x00400000
BIT23 EQU 0x00800000
BIT24 EQU 0x00100000
BIT25 EQU 0x02000000
BIT26 EQU 0x04000000
BIT27 EQU 0x08000000
BIT28 EQU 0x10000000
BIT29 EQU 0x20000000
BIT30 EQU 0x40000000
BIT31 EQU 0x80000000
PCM_OUT_BDL equ 0x10 ; PCM out buffer descriptors list
PCM_OUT_CR_REG equ 0x1b ; PCM out Control Register
PCM_OUT_LVI_REG equ 0x15 ; PCM last valid index
PCM_OUT_SR_REG equ 0x16 ; PCM out Status register
PCM_OUT_PIV_REG equ 0x1a
PCM_OUT_CIV_REG equ 0x14 ; PCM out current index
PCM_IN_CR_REG equ 0x0b ; PCM in Control Register
MC_IN_CR_REG equ 0x2b ; MIC in Control Register
RR equ BIT1 ; reset registers. Nukes all regs
CODEC_MASTER_VOL_REG equ 0x02
CODEC_AUX_VOL equ 0x04 ;
CODEC_PCM_OUT_REG equ 18h ; PCM output volume
CODEC_EXT_AUDIO_REG equ 28h ; extended audio
CODEC_EXT_AUDIO_CTRL_REG equ 2ah ; extended audio control
CODEC_PCM_FRONT_DACRATE_REG equ 2ch ; PCM out sample rate
CODEC_PCM_SURND_DACRATE_REG equ 2eh ; surround sound sample rate
CODEC_PCM_LFE_DACRATE_REG equ 30h ; LFE sample rate
GLOB_CTRL equ 0x2C ; Global Control
CTRL_STAT equ 0x30 ; Global Status
CTRL_CAS equ 0x34 ; Codec Access Semiphore
CAS_FLAG equ 0x01 ; Codec Access Semiphore Bit
CTRL_ST_CREADY equ BIT8+BIT9+BIT28 ; Primary Codec Ready
CTRL_ST_RCS equ 0x00008000 ; Read Completion Status
CTRL_CNT_CRIE equ BIT4+BIT5+BIT6 ; Codecs Resume Interrupt Enable
CTRL_CNT_AC_OFF equ 0x00000008 ; ACLINK Off
CTRL_CNT_WARM equ 0x00000004 ; AC97 Warm Reset
CTRL_CNT_COLD equ 0x00000002 ; AC97 Cold Reset
CTRL_CNT_GIE equ 0x00000001 ; GPI Interrupt Enable
CODEC_REG_POWERDOWN equ 0x26
CODEC_REG_ST equ 0x26
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
OS_BASE equ 0x80000000
SLOT_BASE equ OS_BASE+0x0080000
new_app_base equ 0
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, msgDetect
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
jmp .fail ;force fail
if DEBUG
mov esi, msgInitCodec
call SysMsgBoardStr
end if
call init_codec
test eax, eax
jz .fail
if DEBUG
mov esi, [codec.ac_vendor_ids]
call SysMsgBoardStr
mov esi, [codec.chip_ids]
call SysMsgBoardStr
end if
call reset_controller
call setup_codec
mov esi, msgPrimBuff
call SysMsgBoardStr
call create_primary_buff
mov eax, VALID_IRQ
mov ebx, [ctrl.int_line]
mov esi, msgInvIRQ
bt eax, ebx
jnc .fail
mov eax, ATTCH_IRQ
mov esi, msgAttchIRQ
bt eax, ebx
jnc .fail
stdcall AttachIntHandler, ebx, ac97_irq, dword 0
stdcall RegService, sz_sound_srv, service_proc
ret
.fail:
if DEBUG
mov esi, msgFail
call SysMsgBoardStr
end if
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, 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
; if DEBUG
; mov esi, msgIRQ
; call SysMsgBoardStr
; end if
cmp [ctrl.user_callback], 0
je @f
stdcall [ctrl.user_callback], ebx
@@:
ret
.skip:
mov edx, PCM_OUT_CR_REG
mov ax, 0x11 ;0x1D
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 ebx, 0xC0002000
mov ecx, 4
mov edi, pcmout_bdl
@@:
mov [edi], eax
mov [edi+4], ebx
mov [edi+32], eax
mov [edi+4+32], ebx
mov [edi+64], eax
mov [edi+4+64], ebx
mov [edi+96], eax
mov [edi+4+96], ebx
mov [edi+128], eax
mov [edi+4+128], ebx
mov [edi+160], eax
mov [edi+4+160], ebx
mov [edi+192], eax
mov [edi+4+192], ebx
mov [edi+224], eax
mov [edi+4+224], ebx
add eax, 0x4000
add edi, 8
loop @B
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
mov eax, pcmout_bdl
mov ebx, eax
call GetPgAddr ;eax
and ebx, 0xFFF
add eax, ebx
mov edx, PCM_OUT_BDL
call [ctrl.ctrl_write32]
mov eax, 16
mov [ctrl.lvi_reg], eax
mov edx, PCM_OUT_LVI_REG
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 ebx, 0x1274
jne @F
mov [ctrl.vendor_ids], msgEnsoniq
ret
@@:
mov [ctrl.vendor_ids], 0 ;something wrong ?
ret
.err:
xor eax, eax
ret
endp
align 4
proc init_controller
mov esi, msgPCIcmd
call SysMsgBoardStr
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
call dword2str
call SysMsgBoardStr
mov esi, msgIObase
call SysMsgBoardStr
stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x10
; and eax, -16
mov [ctrl.ctrl_io_base], eax
call dword2str
call SysMsgBoardStr
mov esi, msgIRQline
call SysMsgBoardStr
stdcall PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x3C
and eax, 0xFF
mov [ctrl.int_line], eax
call dword2str
call SysMsgBoardStr
call [ctrl.ctrl_setup]
xor eax, eax
inc eax
ret
endp
align 4
proc set_ICH
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 reset_controller
xor eax, eax
mov edx, PCM_IN_CR_REG
call [ctrl.ctrl_write8]
mov edx, PCM_OUT_CR_REG
call [ctrl.ctrl_write8]
mov edx, MC_IN_CR_REG
call [ctrl.ctrl_write8]
mov eax, RR
mov edx, PCM_IN_CR_REG
call [ctrl.ctrl_write8]
mov edx, PCM_OUT_CR_REG
call [ctrl.ctrl_write8]
mov edx, MC_IN_CR_REG
call [ctrl.ctrl_write8]
ret
endp
align 4
proc init_codec
locals
counter dd ?
endl
mov esi, msgControl
call SysMsgBoardStr
mov edx, GLOB_CTRL
call [ctrl.ctrl_read32]
call dword2str
call SysMsgBoardStr
mov esi, msgStatus
call SysMsgBoardStr
mov edx, CTRL_STAT
call [ctrl.ctrl_read32]
call dword2str
call SysMsgBoardStr
test eax, CTRL_ST_CREADY
jnz .ready
call reset_codec
and eax, eax
jz .err
xor edx, edx ;ac_reg_0
call [ctrl.codec_write16]
xor eax, eax
mov edx, CODEC_REG_POWERDOWN
call [ctrl.codec_write16]
mov [counter], 200 ; total 200*5 ms = 1s
.wait:
mov edx, CODEC_REG_POWERDOWN
call [ctrl.codec_read16]
and eax, 0x0F
cmp eax, 0x0F
jz .ready
mov eax, 5000 ; wait 5 ms
call StallExec
sub [counter] , 1
jnz .wait
.err:
xor eax, eax ; timeout error
ret
.ready:
call detect_codec
xor eax, eax
inc eax
ret
endp
align 4
proc reset_codec
mov edx, GLOB_CTRL
call [ctrl.ctrl_read32]
test eax, 0x02
jz .cold
call warm_reset
jnc .ok
.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 warm_reset
locals
counter dd ?
endl
mov eax, 0x06
mov edx, GLOB_CTRL
call [ctrl.ctrl_write32]
if DEBUG
mov esi, msgWarm
call SysMsgBoardStr
end if
mov [counter], 10 ; total 10*100 ms = 1s
.wait:
mov eax, 100000 ; wait 100 ms
call StallExec
mov edx, GLOB_CTRL
call [ctrl.ctrl_read32]
test eax, 4
jz .ok
sub [counter], 1
jnz .wait
if DEBUG
mov esi, msgWRFail
call SysMsgBoardStr
end if
stc
ret
.ok:
mov edx, CTRL_STAT
call [ctrl.ctrl_read32]
and eax, CTRL_ST_CREADY
jz .fail
clc
ret
.fail:
stc
ret
endp
align 4
proc cold_reset
locals
counter dd ?
endl
xor eax, eax
mov edx, GLOB_CTRL
call [ctrl.ctrl_write32]
if DEBUG
mov esi, msgCold
call SysMsgBoardStr
end if
mov eax, 1000000 ; wait 1 s
call StallExec
mov eax, 2
mov edx, GLOB_CTRL
call [ctrl.ctrl_write32]
mov [counter], 10 ; total 10*100 ms = 1s
.wait:
mov eax, 100000 ; wait 100 ms
call StallExec
mov edx, GLOB_CTRL
call [ctrl.ctrl_read32]
test eax, 4
jz .ok
sub [counter], 1
jnz .wait
if DEBUG
mov esi, msgCRFail
call SysMsgBoardStr
end if
stc
ret
.ok:
mov edx, CTRL_STAT
call [ctrl.ctrl_read32]
and eax, CTRL_ST_CREADY
jz .fail
clc
ret
.fail:
stc
ret
endp
align 4
play:
mov eax, 16
mov [ctrl.lvi_reg], eax
mov edx, PCM_OUT_LVI_REG
call [ctrl.ctrl_write8]
mov edx, PCM_OUT_CR_REG
mov ax, 0x1D
call [ctrl.ctrl_write8]
xor eax, eax
ret
align 4
stop:
mov edx, PCM_OUT_CR_REG
mov ax, 0x0
call [ctrl.ctrl_write8]
mov ax, 0x1c
mov edx, PCM_OUT_SR_REG
call [ctrl.ctrl_write16]
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 ebx, [ctrl.codec_io_base]
mov ecx, [ctrl.ctrl_io_base]
mov edx, [ctrl.codec_mem_base]
mov edi, [ctrl.ctrl_mem_base]
mov [CTRL_INFO.irq], eax
mov [CTRL_INFO.codec_io_base], ebx
mov [CTRL_INFO.ctrl_io_base], ecx
mov [CTRL_INFO.codec_mem_base], edx
mov [CTRL_INFO.ctrl_mem_base], edi
mov eax, [codec.chip_id]
mov [CTRL_INFO.codec_id], eax
mov edx, GLOB_CTRL
call [ctrl.ctrl_read32]
mov [CTRL_INFO.glob_cntrl], eax
mov edx, CTRL_STAT
call [ctrl.ctrl_read32]
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_read stdcall, ac_reg:dword ; reg = edx, reval = eax
mov edx, [ac_reg]
mov ebx, edx
shr ebx, 1
bt [codec.shadow_flag], ebx
jc .use_shadow
call [ctrl.codec_read16] ;change edx !!!
mov ecx, eax
mov edx, CTRL_STAT
call [ctrl.ctrl_read32]
test eax, CTRL_ST_RCS
jz .read_ok
mov edx, CTRL_STAT
call [ctrl.ctrl_write32]
xor eax, eax
not eax ;timeout
ret
.read_ok:
mov edx, [ac_reg]
mov [codec.regs+edx], cx
bts [codec.shadow_flag], ebx
mov eax, ecx
ret
.use_shadow:
movzx eax, word [codec.regs+edx]
ret
endp
align 4
proc codec_write stdcall, ac_reg:dword
push eax
call check_semafore
and eax, eax
jz .err
pop eax
mov esi, [ac_reg]
mov edx, esi
call [ctrl.codec_write16]
mov [codec.regs+esi], ax
shr esi, 1
bts [codec.shadow_flag], esi
ret
.err:
pop eax
ret
endp
align 4
proc codec_check_ready
mov edx, CTRL_ST
call [ctrl.ctrl_read32]
and eax, CTRL_ST_CREADY
jz .not_ready
xor eax, wax
inc eax
ret
.not_ready:
xor eax, eax
ret
endp
align 4
proc check_semafore
local counter:DWORD
mov [counter], 100
.l1:
mov edx, CTRL_CAS
call [ctrl.ctrl_read8]
and eax, CAS_FLAG
jz .ok
mov eax, 1
call StallExec
sub [counter], 1
jnz .l1
xor eax, eax
ret
align 4
.ok:
xor eax, eax
inc eax
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
codec_io_r16:
add edx, [ctrl.codec_io_base]
in ax, dx
ret
align 4
codec_io_w16:
add edx, [ctrl.codec_io_base]
out dx, ax
ret
align 4
ctrl_io_r8:
add edx, [ctrl.ctrl_io_base]
in al, dx
ret
align 4
ctrl_io_r16:
add edx, [ctrl.ctrl_io_base]
in ax, dx
ret
align 4
ctrl_io_r32:
add edx, [ctrl.ctrl_io_base]
in eax, dx
ret
align 4
ctrl_io_w8:
add edx, [ctrl.ctrl_io_base]
out dx, al
ret
align 4
ctrl_io_w16:
add edx, [ctrl.ctrl_io_base]
out dx, ax
ret
align 4
ctrl_io_w32:
add edx, [ctrl.ctrl_io_base]
out dx, eax
ret
align 4
dword2str:
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
ret
hexletters db '0123456789ABCDEF'
hex_buff db 8 dup(0),13,10,0
include "codec.inc"
align 4
devices dd (0x5000 shl 16)+0x1274,msgEnsoniq,set_ICH
dd (0x5880 shl 16)+0x1274,msgVibra128,set_ICH
dd 0 ;terminator
version dd 0x00040004
msgEnsoniq db 'Ensonic 1371',13,10,0
msgVibra128 db 'Sound Blaster AudioPCI Vibra 128',13,10,0
sz_sound_srv db 'SOUND',0
msgDetect 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
msgNotify db 'call notify',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',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
msgResetOk db 'reset complete',13,10,0
msgStatus db 'global status ',0
msgControl db 'global control ',0
msgPCIcmd db 'PCI command ',0
msgIObase db 'IO base ',0
msgIRQline db 'IRQ line ',0
section '.data' data readable writable align 16
pcmout_bdl rq 32
buff_list rd 32
codec CODEC
ctrl AC_CNTRL
lpc_bus rd 1
civ_val rd 1
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