118 lines
2.1 KiB
PHP
118 lines
2.1 KiB
PHP
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; Integrated Technology Express
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; Chip Temp Volt Fan
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; it8705 3 8 3
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; it8712 3 8 3
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; SiS
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; Chip Temp Volt Fan
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; sis950 3 8 3
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IT87_REGCHIP equ 0x58
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IT87_CHIPID equ 0x90
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IT87_FANDIV equ 0x0B
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uglobal
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it_chip_id db 0
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endg
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it8705 db 15, 'IT8705F/SiS 950'
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it8712 db 7, 'IT8712F'
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it8716 db 7, 'IT8716F'
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ite_unk db 11, 'Unknown ITE'
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ite_coeff: dd 0.016 ; Vcore
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dd 0.016 ; Vin0
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dd 0.016 ; Vin1 (+3.3V)
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dd 0.02688 ; AVcc (+5V)
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dd 0.0608 ; Vin2 (+12V)
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dd -0.055632 ; -12V
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dd -0.02408 ; -5V
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;-----------------------------------
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it87_init:
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; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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; OUT - CF = 1 - error
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;--- <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> IT87* --------
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mov dx, 0x295
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mov al, IT87_REGCHIP
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out dx, al
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inc edx
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in al, dx
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cmp al, IT87_CHIPID
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jne it87_no ; <EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD> it87 !!!
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; -~- not tested ~-~-
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dec edx ; --- <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> --
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mov al, 0x21
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out dx, al
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inc edx
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in al, dx
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mov byte[it_chip_id], al
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; -~-~-~-~-~-~-~-~-~-
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clc
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ret
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it87_no:stc
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ret
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;-----------------------------------
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it87_get_temp:
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mov dx, 0x296
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xor ecx, ecx
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mov esi, temps
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@@: dec edx
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mov eax, ecx
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add al, 0x29
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out dx, al
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inc edx
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in al, dx
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mov [esi + ecx * 2], al
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inc ecx
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cmp ecx, 3
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jb @b
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ret
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;-----------------------------------
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it87_fan_div db 1, 1, 1
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it87_get_fan_speed:
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; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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mov dx, 0x295
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mov al, IT87_FANDIV
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out dx, al
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inc dx
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in al, dx
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mov ah, al
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and al, 0x07
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mov [it87_fan_div], al
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shr ah, 3
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and ah, 0x07
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mov [it87_fan_div + 1], ah
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xor ecx, ecx
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@@: mov dx, 0x295
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mov al, 0x0D
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add al, cl
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out dx, al
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inc edx
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in al, dx
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movzx ebx, al
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push ecx
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mov cl, [it87_fan_div + ecx]
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shl ebx, cl
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pop ecx
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mov eax, 1350000
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xor edx, edx
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div ebx
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mov [rpms + 4 * ecx], eax
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inc ecx
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cmp ecx, 3
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jb @b
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ret
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;--------------------------------------------------------------------------
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it87_get_name:
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mov edx, it8705
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cmp byte[it_chip_id], 0x05
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je @f
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mov edx, it8712
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cmp byte[it_chip_id], 0x12
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je @f
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mov edx, it8716
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cmp byte[it_chip_id], 0x16
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je @f
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mov edx, ite_unk
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@@: ret
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