| /* |
| * exynos_tmu.h - Samsung EXYNOS TMU (Thermal Management Unit) |
| * |
| * Copyright (C) 2011 Samsung Electronics |
| * Donggeun Kim <dg77.kim@samsung.com> |
| * Amit Daniel Kachhap <amit.daniel@samsung.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef _EXYNOS_TMU_H |
| #define _EXYNOS_TMU_H |
| #include <linux/cpu_cooling.h> |
| |
| #include "exynos_thermal_common.h" |
| |
| enum calibration_type { |
| TYPE_ONE_POINT_TRIMMING, |
| TYPE_ONE_POINT_TRIMMING_25, |
| TYPE_ONE_POINT_TRIMMING_85, |
| TYPE_TWO_POINT_TRIMMING, |
| TYPE_NONE, |
| }; |
| |
| enum soc_type { |
| SOC_ARCH_EXYNOS3250 = 1, |
| SOC_ARCH_EXYNOS4210, |
| SOC_ARCH_EXYNOS4412, |
| SOC_ARCH_EXYNOS5250, |
| SOC_ARCH_EXYNOS5260, |
| SOC_ARCH_EXYNOS5420, |
| SOC_ARCH_EXYNOS5420_TRIMINFO, |
| SOC_ARCH_EXYNOS5440, |
| }; |
| |
| /** |
| * struct exynos_tmu_platform_data |
| * @threshold: basic temperature for generating interrupt |
| * 25 <= threshold <= 125 [unit: degree Celsius] |
| * @threshold_falling: differntial value for setting threshold |
| * of temperature falling interrupt. |
| * @trigger_levels: array for each interrupt levels |
| * [unit: degree Celsius] |
| * 0: temperature for trigger_level0 interrupt |
| * condition for trigger_level0 interrupt: |
| * current temperature > threshold + trigger_levels[0] |
| * 1: temperature for trigger_level1 interrupt |
| * condition for trigger_level1 interrupt: |
| * current temperature > threshold + trigger_levels[1] |
| * 2: temperature for trigger_level2 interrupt |
| * condition for trigger_level2 interrupt: |
| * current temperature > threshold + trigger_levels[2] |
| * 3: temperature for trigger_level3 interrupt |
| * condition for trigger_level3 interrupt: |
| * current temperature > threshold + trigger_levels[3] |
| * @trigger_type: defines the type of trigger. Possible values are, |
| * THROTTLE_ACTIVE trigger type |
| * THROTTLE_PASSIVE trigger type |
| * SW_TRIP trigger type |
| * HW_TRIP |
| * @trigger_enable[]: array to denote which trigger levels are enabled. |
| * 1 = enable trigger_level[] interrupt, |
| * 0 = disable trigger_level[] interrupt |
| * @max_trigger_level: max trigger level supported by the TMU |
| * @non_hw_trigger_levels: number of defined non-hardware trigger levels |
| * @gain: gain of amplifier in the positive-TC generator block |
| * 0 < gain <= 15 |
| * @reference_voltage: reference voltage of amplifier |
| * in the positive-TC generator block |
| * 0 < reference_voltage <= 31 |
| * @noise_cancel_mode: noise cancellation mode |
| * 000, 100, 101, 110 and 111 can be different modes |
| * @type: determines the type of SOC |
| * @efuse_value: platform defined fuse value |
| * @min_efuse_value: minimum valid trimming data |
| * @max_efuse_value: maximum valid trimming data |
| * @first_point_trim: temp value of the first point trimming |
| * @second_point_trim: temp value of the second point trimming |
| * @default_temp_offset: default temperature offset in case of no trimming |
| * @cal_type: calibration type for temperature |
| * @freq_clip_table: Table representing frequency reduction percentage. |
| * @freq_tab_count: Count of the above table as frequency reduction may |
| * applicable to only some of the trigger levels. |
| * |
| * This structure is required for configuration of exynos_tmu driver. |
| */ |
| struct exynos_tmu_platform_data { |
| u8 threshold; |
| u8 threshold_falling; |
| u8 trigger_levels[MAX_TRIP_COUNT]; |
| enum trigger_type trigger_type[MAX_TRIP_COUNT]; |
| bool trigger_enable[MAX_TRIP_COUNT]; |
| u8 max_trigger_level; |
| u8 non_hw_trigger_levels; |
| u8 gain; |
| u8 reference_voltage; |
| u8 noise_cancel_mode; |
| |
| u32 efuse_value; |
| u32 min_efuse_value; |
| u32 max_efuse_value; |
| u8 first_point_trim; |
| u8 second_point_trim; |
| u8 default_temp_offset; |
| |
| enum calibration_type cal_type; |
| enum soc_type type; |
| struct freq_clip_table freq_tab[4]; |
| unsigned int freq_tab_count; |
| }; |
| |
| /** |
| * struct exynos_tmu_init_data |
| * @tmu_count: number of TMU instances. |
| * @tmu_data: platform data of all TMU instances. |
| * This structure is required to store data for multi-instance exynos tmu |
| * driver. |
| */ |
| struct exynos_tmu_init_data { |
| int tmu_count; |
| struct exynos_tmu_platform_data tmu_data[]; |
| }; |
| |
| extern struct exynos_tmu_init_data const exynos3250_default_tmu_data; |
| extern struct exynos_tmu_init_data const exynos4210_default_tmu_data; |
| extern struct exynos_tmu_init_data const exynos4412_default_tmu_data; |
| extern struct exynos_tmu_init_data const exynos5250_default_tmu_data; |
| extern struct exynos_tmu_init_data const exynos5260_default_tmu_data; |
| extern struct exynos_tmu_init_data const exynos5420_default_tmu_data; |
| extern struct exynos_tmu_init_data const exynos5440_default_tmu_data; |
| |
| #endif /* _EXYNOS_TMU_H */ |
