Edit File: exynos_thermal.h
/* * exynos_thermal.h - Samsung EXYNOS TMU (Thermal Management Unit) * * Copyright (C) 2011 Samsung Electronics * Donggeun Kim <dg77.kim@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 _LINUX_EXYNOS_THERMAL_H #define _LINUX_EXYNOS_THERMAL_H #include <linux/cpu_cooling.h> enum calibration_type { TYPE_ONE_POINT_TRIMMING, TYPE_TWO_POINT_TRIMMING, TYPE_NONE, }; enum soc_type { SOC_ARCH_EXYNOS4210 = 1, SOC_ARCH_EXYNOS, }; /** * struct freq_clip_table * @freq_clip_max: maximum frequency allowed for this cooling state. * @temp_level: Temperature level at which the temperature clipping will * happen. * @mask_val: cpumask of the allowed cpu's where the clipping will take place. * * This structure is required to be filled and passed to the * cpufreq_cooling_unregister function. */ struct freq_clip_table { unsigned int freq_clip_max; unsigned int temp_level; const struct cpumask *mask_val; }; /** * 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_level0_en: * 1 = enable trigger_level0 interrupt, * 0 = disable trigger_level0 interrupt * @trigger_level1_en: * 1 = enable trigger_level1 interrupt, * 0 = disable trigger_level1 interrupt * @trigger_level2_en: * 1 = enable trigger_level2 interrupt, * 0 = disable trigger_level2 interrupt * @trigger_level3_en: * 1 = enable trigger_level3 interrupt, * 0 = disable trigger_level3 interrupt * @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 * @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[4]; bool trigger_level0_en; bool trigger_level1_en; bool trigger_level2_en; bool trigger_level3_en; u8 gain; u8 reference_voltage; u8 noise_cancel_mode; u32 efuse_value; enum calibration_type cal_type; enum soc_type type; struct freq_clip_table freq_tab[4]; unsigned int freq_tab_count; }; #endif /* _LINUX_EXYNOS_THERMAL_H */