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Rev | Author | Line No. | Line |
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205 | heavyiron | 1 | ; Integrated Technology Express |
2 | ; Chip Temp Volt Fan |
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3 | ; it8705 3 8 3 |
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4 | ; it8712 3 8 3 |
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5 | |||
6 | ; SiS |
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7 | ; Chip Temp Volt Fan |
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8 | ; sis950 3 8 3 |
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9 | |||
10 | IT87_REGCHIP equ 0x58 |
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11 | IT87_CHIPID equ 0x90 |
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12 | IT87_FANDIV equ 0x0B |
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13 | uglobal |
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14 | it_chip_id db 0 |
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15 | endg |
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16 | it8705 db 15, 'IT8705F/SiS 950' |
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17 | it8712 db 7, 'IT8712F' |
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18 | it8716 db 7, 'IT8716F' |
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19 | ite_unk db 11, 'Unknown ITE' |
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20 | |||
21 | ite_coeff: dd 0.016 ; Vcore |
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22 | dd 0.016 ; Vin0 |
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23 | dd 0.016 ; Vin1 (+3.3V) |
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24 | dd 0.02688 ; AVcc (+5V) |
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25 | dd 0.0608 ; Vin2 (+12V) |
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26 | dd -0.055632 ; -12V |
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27 | dd -0.02408 ; -5V |
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28 | ;----------------------------------- |
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29 | it87_init: |
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30 | ; Проверка наличия и инициализация |
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31 | ; OUT - CF = 1 - error |
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32 | ;--- Проверяем IT87* -------- |
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33 | mov dx, 0x295 |
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34 | mov al, IT87_REGCHIP |
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35 | out dx, al |
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36 | inc edx |
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37 | in al, dx |
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38 | cmp al, IT87_CHIPID |
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39 | jne it87_no ; это не it87 !!! |
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40 | ; -~- not tested ~-~- |
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41 | dec edx ; --- узнаём идентификатор чипа -- |
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42 | mov al, 0x21 |
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43 | out dx, al |
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44 | inc edx |
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45 | in al, dx |
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46 | mov byte[it_chip_id], al |
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47 | ; -~-~-~-~-~-~-~-~-~- |
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48 | clc |
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49 | ret |
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50 | it87_no:stc |
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51 | ret |
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52 | ;----------------------------------- |
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53 | it87_get_temp: |
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54 | mov dx, 0x296 |
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55 | xor ecx, ecx |
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56 | mov esi, temps |
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57 | @@: dec edx |
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58 | mov eax, ecx |
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59 | add al, 0x29 |
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60 | out dx, al |
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61 | inc edx |
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62 | in al, dx |
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63 | mov [esi + ecx * 2], al |
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64 | inc ecx |
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65 | cmp ecx, 3 |
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66 | jb @b |
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67 | ret |
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68 | ;----------------------------------- |
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69 | it87_fan_div db 1, 1, 1 |
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70 | it87_get_fan_speed: |
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71 | ; читаем делители |
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72 | mov dx, 0x295 |
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73 | mov al, IT87_FANDIV |
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74 | out dx, al |
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75 | inc dx |
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76 | in al, dx |
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77 | mov ah, al |
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78 | and al, 0x07 |
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79 | mov [it87_fan_div], al |
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80 | shr ah, 3 |
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81 | and ah, 0x07 |
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82 | mov [it87_fan_div + 1], ah |
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83 | |||
84 | xor ecx, ecx |
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85 | @@: mov dx, 0x295 |
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86 | mov al, 0x0D |
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87 | add al, cl |
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88 | out dx, al |
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89 | inc edx |
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90 | in al, dx |
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91 | movzx ebx, al |
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92 | push ecx |
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93 | mov cl, [it87_fan_div + ecx] |
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94 | shl ebx, cl |
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95 | pop ecx |
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96 | mov eax, 1350000 |
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97 | xor edx, edx |
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98 | div ebx |
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99 | mov [rpms + 4 * ecx], eax |
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100 | inc ecx |
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101 | cmp ecx, 3 |
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102 | jb @b |
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103 | |||
104 | ret |
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105 | ;-------------------------------------------------------------------------- |
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106 | it87_get_name: |
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107 | mov edx, it8705 |
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108 | cmp byte[it_chip_id], 0x05 |
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109 | je @f |
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110 | mov edx, it8712 |
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111 | cmp byte[it_chip_id], 0x12 |
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112 | je @f |
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113 | mov edx, it8716 |
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114 | cmp byte[it_chip_id], 0x16 |
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115 | je @f |
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116 | mov edx, ite_unk |
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117 | @@: ret |