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9d97e5c8 | 1 | /* |
c48cbba6 | 2 | * exynos_thermal.h - Samsung EXYNOS4 TMU (Thermal Management Unit) |
9d97e5c8 DK |
3 | * |
4 | * Copyright (C) 2011 Samsung Electronics | |
5 | * Donggeun Kim <dg77.kim@samsung.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
c48cbba6 ADK |
22 | #ifndef _LINUX_EXYNOS_THERMAL_H |
23 | #define _LINUX_EXYNOS_THERMAL_H | |
9d97e5c8 DK |
24 | |
25 | enum calibration_type { | |
26 | TYPE_ONE_POINT_TRIMMING, | |
27 | TYPE_TWO_POINT_TRIMMING, | |
28 | TYPE_NONE, | |
29 | }; | |
30 | ||
31 | /** | |
32 | * struct exynos4_tmu_platform_data | |
33 | * @threshold: basic temperature for generating interrupt | |
34 | * 25 <= threshold <= 125 [unit: degree Celsius] | |
35 | * @trigger_levels: array for each interrupt levels | |
36 | * [unit: degree Celsius] | |
37 | * 0: temperature for trigger_level0 interrupt | |
38 | * condition for trigger_level0 interrupt: | |
39 | * current temperature > threshold + trigger_levels[0] | |
40 | * 1: temperature for trigger_level1 interrupt | |
41 | * condition for trigger_level1 interrupt: | |
42 | * current temperature > threshold + trigger_levels[1] | |
43 | * 2: temperature for trigger_level2 interrupt | |
44 | * condition for trigger_level2 interrupt: | |
45 | * current temperature > threshold + trigger_levels[2] | |
46 | * 3: temperature for trigger_level3 interrupt | |
47 | * condition for trigger_level3 interrupt: | |
48 | * current temperature > threshold + trigger_levels[3] | |
49 | * @trigger_level0_en: | |
50 | * 1 = enable trigger_level0 interrupt, | |
51 | * 0 = disable trigger_level0 interrupt | |
52 | * @trigger_level1_en: | |
53 | * 1 = enable trigger_level1 interrupt, | |
54 | * 0 = disable trigger_level1 interrupt | |
55 | * @trigger_level2_en: | |
56 | * 1 = enable trigger_level2 interrupt, | |
57 | * 0 = disable trigger_level2 interrupt | |
58 | * @trigger_level3_en: | |
59 | * 1 = enable trigger_level3 interrupt, | |
60 | * 0 = disable trigger_level3 interrupt | |
61 | * @gain: gain of amplifier in the positive-TC generator block | |
62 | * 0 <= gain <= 15 | |
63 | * @reference_voltage: reference voltage of amplifier | |
64 | * in the positive-TC generator block | |
65 | * 0 <= reference_voltage <= 31 | |
66 | * @cal_type: calibration type for temperature | |
67 | * | |
68 | * This structure is required for configuration of exynos4_tmu driver. | |
69 | */ | |
70 | struct exynos4_tmu_platform_data { | |
71 | u8 threshold; | |
72 | u8 trigger_levels[4]; | |
73 | bool trigger_level0_en; | |
74 | bool trigger_level1_en; | |
75 | bool trigger_level2_en; | |
76 | bool trigger_level3_en; | |
77 | ||
78 | u8 gain; | |
79 | u8 reference_voltage; | |
80 | ||
81 | enum calibration_type cal_type; | |
82 | }; | |
c48cbba6 | 83 | #endif /* _LINUX_EXYNOS_THERMAL_H */ |