projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 9d97e5c8 | 1 | /* |
| f22d9c03 | 2 | * exynos_thermal.h - Samsung EXYNOS 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 | |
| 7e0b55e6 | 24 | #include <linux/cpu_cooling.h> |
| 9d97e5c8 DK |
25 | |
| 26 | enum calibration_type { | |
| 27 | TYPE_ONE_POINT_TRIMMING, | |
| 28 | TYPE_TWO_POINT_TRIMMING, | |
| 29 | TYPE_NONE, | |
| 30 | }; | |
| 31 | ||
| f22d9c03 ADK |
32 | enum soc_type { |
| 33 | SOC_ARCH_EXYNOS4210 = 1, | |
| 34 | SOC_ARCH_EXYNOS, | |
| 35 | }; | |
| 7e0b55e6 ADK |
36 | /** |
| 37 | * struct freq_clip_table | |
| 38 | * @freq_clip_max: maximum frequency allowed for this cooling state. | |
| 39 | * @temp_level: Temperature level at which the temperature clipping will | |
| 40 | * happen. | |
| 41 | * @mask_val: cpumask of the allowed cpu's where the clipping will take place. | |
| 42 | * | |
| 43 | * This structure is required to be filled and passed to the | |
| 44 | * cpufreq_cooling_unregister function. | |
| 45 | */ | |
| 46 | struct freq_clip_table { | |
| 47 | unsigned int freq_clip_max; | |
| 48 | unsigned int temp_level; | |
| 49 | const struct cpumask *mask_val; | |
| 50 | }; | |
| 51 | ||
| 9d97e5c8 | 52 | /** |
| f22d9c03 | 53 | * struct exynos_tmu_platform_data |
| 9d97e5c8 DK |
54 | * @threshold: basic temperature for generating interrupt |
| 55 | * 25 <= threshold <= 125 [unit: degree Celsius] | |
| 4f0a6847 JL |
56 | * @threshold_falling: differntial value for setting threshold |
| 57 | * of temperature falling interrupt. | |
| 9d97e5c8 DK |
58 | * @trigger_levels: array for each interrupt levels |
| 59 | * [unit: degree Celsius] | |
| 60 | * 0: temperature for trigger_level0 interrupt | |
| 61 | * condition for trigger_level0 interrupt: | |
| 62 | * current temperature > threshold + trigger_levels[0] | |
| 63 | * 1: temperature for trigger_level1 interrupt | |
| 64 | * condition for trigger_level1 interrupt: | |
| 65 | * current temperature > threshold + trigger_levels[1] | |
| 66 | * 2: temperature for trigger_level2 interrupt | |
| 67 | * condition for trigger_level2 interrupt: | |
| 68 | * current temperature > threshold + trigger_levels[2] | |
| 69 | * 3: temperature for trigger_level3 interrupt | |
| 70 | * condition for trigger_level3 interrupt: | |
| 71 | * current temperature > threshold + trigger_levels[3] | |
| 72 | * @trigger_level0_en: | |
| 73 | * 1 = enable trigger_level0 interrupt, | |
| 74 | * 0 = disable trigger_level0 interrupt | |
| 75 | * @trigger_level1_en: | |
| 76 | * 1 = enable trigger_level1 interrupt, | |
| 77 | * 0 = disable trigger_level1 interrupt | |
| 78 | * @trigger_level2_en: | |
| 79 | * 1 = enable trigger_level2 interrupt, | |
| 80 | * 0 = disable trigger_level2 interrupt | |
| 81 | * @trigger_level3_en: | |
| 82 | * 1 = enable trigger_level3 interrupt, | |
| 83 | * 0 = disable trigger_level3 interrupt | |
| 84 | * @gain: gain of amplifier in the positive-TC generator block | |
| 85 | * 0 <= gain <= 15 | |
| 86 | * @reference_voltage: reference voltage of amplifier | |
| 87 | * in the positive-TC generator block | |
| 88 | * 0 <= reference_voltage <= 31 | |
| f22d9c03 ADK |
89 | * @noise_cancel_mode: noise cancellation mode |
| 90 | * 000, 100, 101, 110 and 111 can be different modes | |
| 91 | * @type: determines the type of SOC | |
| 92 | * @efuse_value: platform defined fuse value | |
| 9d97e5c8 | 93 | * @cal_type: calibration type for temperature |
| 7e0b55e6 ADK |
94 | * @freq_clip_table: Table representing frequency reduction percentage. |
| 95 | * @freq_tab_count: Count of the above table as frequency reduction may | |
| 96 | * applicable to only some of the trigger levels. | |
| 9d97e5c8 | 97 | * |
| f22d9c03 | 98 | * This structure is required for configuration of exynos_tmu driver. |
| 9d97e5c8 | 99 | */ |
| f22d9c03 | 100 | struct exynos_tmu_platform_data { |
| 9d97e5c8 | 101 | u8 threshold; |
| 4f0a6847 | 102 | u8 threshold_falling; |
| 9d97e5c8 DK |
103 | u8 trigger_levels[4]; |
| 104 | bool trigger_level0_en; | |
| 105 | bool trigger_level1_en; | |
| 106 | bool trigger_level2_en; | |
| 107 | bool trigger_level3_en; | |
| 108 | ||
| 109 | u8 gain; | |
| 110 | u8 reference_voltage; | |
| f22d9c03 ADK |
111 | u8 noise_cancel_mode; |
| 112 | u32 efuse_value; | |
| 9d97e5c8 DK |
113 | |
| 114 | enum calibration_type cal_type; | |
| f22d9c03 | 115 | enum soc_type type; |
| 7e0b55e6 ADK |
116 | struct freq_clip_table freq_tab[4]; |
| 117 | unsigned int freq_tab_count; | |
| 9d97e5c8 | 118 | }; |
| c48cbba6 | 119 | #endif /* _LINUX_EXYNOS_THERMAL_H */ |