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Rev Author Line No. Line
205 heavyiron 1 
; Integrated Technology Express
223 Ghost 2 
;	Chip	Temp	Volt	Fan   ISA   SMBus
3 
;	it8705	 3	 8	 3     +      +
4 
;	it8712	 3	 8	 3     +      +
205 heavyiron 5 
 
6 
; SiS
223 Ghost 7 
;	Chip	Temp	Volt	Fan   ISA   SMBus
8 
;	sis950	 3	 8	 3     +      +
205 heavyiron 9 
 
10 
IT87_REGCHIP	equ	0x58
11 
IT87_CHIPID	equ	0x90
12 
IT87_FANDIV	equ	0x0B
13 
it8705		db	15, 'IT8705F/SiS 950'
14 
it8712		db	 7, 'IT8712F'
15 
it8716		db	 7, 'IT8716F'
16 
ite_unk		db	11, 'Unknown ITE'
17 
 
18 
ite_coeff:	dd 0.016		; Vcore
19 
		dd 0.016		; Vin0
20 
		dd 0.016		; Vin1 (+3.3V)
21 
		dd 0.02688		; AVcc (+5V)
22 
		dd 0.0608		; Vin2 (+12V)
23 
		dd -0.055632		; -12V
24 
		dd -0.02408		; -5V
25 
;-----------------------------------
26 
it87_init:
27 
; Проверка наличия и инициализация
28 
; OUT - CF = 1 - error
223 Ghost 29 
	cmp	byte[acc_type], 2	; Only ISA and SMBus
30 
	jae	it87_no
205 heavyiron 31 
	;--- Проверяем IT87* --------
32 
	mov	al, IT87_REGCHIP
223 Ghost 33 
	call	[IO_Read]
205 heavyiron 34 
	cmp	al, IT87_CHIPID
35 
	jne	it87_no		; это не it87 !!!
36 
	; -~- not tested ~-~-
223 Ghost 37 
	mov	al, 0x21	; --- узнаём идентификатор чипа --
38 
	call	[IO_Read]
39 
	mov	edx, it8705
40 
	cmp	al, 0x05
41 
	je	@f
42 
	mov	edx, it8712
43 
	cmp	al, 0x12
44 
	je	@f
45 
	mov	edx, it8716
46 
	cmp	al, 0x16
47 
	je	@f
48 
	mov	edx, ite_unk
49 
@@:	mov	[hwm_chip_name], edx
205 heavyiron 50 
	; -~-~-~-~-~-~-~-~-~-
51 
	clc
52 
	ret
53 
it87_no:stc
54 
	ret
223 Ghost 55 
 
205 heavyiron 56 
;-----------------------------------
223 Ghost 57 
it87_getparam:
58 
	call	it87_get_temp
59 
	call	it87_get_fan_speed
60 
	mov	edi, ite_coeff
61 
	call	wb_get_volt
62 
	ret
63 
;-----------------------------------
205 heavyiron 64 
it87_get_temp:
65 
	xor	ecx, ecx
223 Ghost 66 
	mov	esi, hwm_temps
67 
@@:	mov	eax, ecx
205 heavyiron 68 
	add	al, 0x29
223 Ghost 69 
	call	[IO_Read]
205 heavyiron 70 
	mov	[esi + ecx * 2], al
71 
	inc	ecx
72 
	cmp	ecx, 3
73 
	jb	@b
74 
	ret
75 
;-----------------------------------
76 
it87_fan_div	db	1, 1, 1
77 
it87_get_fan_speed:
78 
; читаем делители
79 
	mov	al, IT87_FANDIV
223 Ghost 80 
	call	[IO_Read]
81 
 
205 heavyiron 82 
	mov	ah, al
83 
	and	al, 0x07
84 
	mov	[it87_fan_div], al
85 
	shr	ah, 3
86 
	and	ah, 0x07
87 
	mov	[it87_fan_div + 1], ah
223 Ghost 88 
 
205 heavyiron 89 
	xor	ecx, ecx
223 Ghost 90 
@@:	mov	al, 0x0D
205 heavyiron 91 
	add	al, cl
223 Ghost 92 
	call	[IO_Read]
93 
 
205 heavyiron 94 
	movzx	ebx, al
95 
	push	ecx
96 
	mov	cl, [it87_fan_div + ecx]
97 
	shl	ebx, cl
98 
	pop	ecx
99 
	mov	eax, 1350000
100 
	xor	edx, edx
101 
	div	ebx
223 Ghost 102 
	mov	[hwm_rpms + 4 * ecx], eax
205 heavyiron 103 
	inc	ecx
104 
	cmp	ecx, 3
105 
	jb	@b
106 
 
107 
	ret
108 
;--------------------------------------------------------------------------