212 lines
6 KiB
C
Executable file
212 lines
6 KiB
C
Executable file
/*
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* exynos_tmu.h - Samsung EXYNOS TMU (Thermal Management Unit)
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*
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* Copyright (C) 2011 Samsung Electronics
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* Donggeun Kim <dg77.kim@samsung.com>
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* Amit Daniel Kachhap <amit.daniel@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _EXYNOS_TMU_H
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#define _EXYNOS_TMU_H
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#include <soc/samsung/cpu_cooling.h>
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#include <soc/samsung/gpu_cooling.h>
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#include <soc/samsung/isp_cooling.h>
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#include <soc/samsung/exynos_pm_qos.h>
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#include <soc/samsung/exynos-cpuhp.h>
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#include <linux/kthread.h>
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#define MCELSIUS 1000
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#define EMERGENCY_THROTTLE_STAT 0x10
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#define EMERGENCY_THROTTLE_STAT_1 0x10
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#define EMERGENCY_THROTTLE_STAT_2 0x20
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#define EMERGENCY_THROTTLE_STAT_3 0x40
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enum exynos_tmu_boost_mode {
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STANDBY_MODE,
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BOOST_MODE,
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THROTTLE_MODE,
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BOOT_MODE,
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AMBIENT_MODE,
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AMBIENT_BOOT_MODE,
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MODE_END
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};
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/* boost mode params */
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struct exynos_boost_param {
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bool use_boost;
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s32 boost_mode_threshold;
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s32 boost_mode_exit_threshold;
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s32 throttle_mode_threshold;
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ktime_t boost_mode_duration;
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ktime_t throttle_mode_duration;
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ktime_t last_boost_mode_updated;
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ktime_t last_boost_time;
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ktime_t sum_boost_time;
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s32 throttle_mode_control_temp;
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s32 throttle_mode_switch_on;
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s32 throttle_mode_sustainable_power;
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s32 boost_mode_control_temp;
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s32 boost_mode_switch_on;
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s32 boost_mode_sustainable_power;
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s32 boost_mode_hp_in_threshold;
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s32 boost_mode_hp_out_threshold;
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s32 throttle_mode_dfs_temp;
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s32 throttle_mode_hp_in_threshold;
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s32 throttle_mode_hp_out_threshold;
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s32 boost_threshold_cnt;
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bool use_boost_sync;
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s32 throttle_mode_trip_2_temp;
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s32 throttle_mode_trip_3_temp;
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s32 throttle_mode_trip_4_temp;
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s32 boost_mode_trip_2_temp;
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s32 boost_mode_trip_3_temp;
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s32 boost_mode_trip_4_temp;
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enum exynos_tmu_boost_mode boost_mode;
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};
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struct exynos_pi_param {
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s64 err_integral;
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int trip_switch_on;
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int trip_control_temp;
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u32 sustainable_power;
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s32 k_po;
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s32 k_pu;
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s32 k_i;
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s32 k_d;
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s32 i_max;
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s32 integral_cutoff;
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s32 prev_err;
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int polling_delay_on;
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int polling_delay_off;
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bool switched_on;
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};
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/**
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* struct exynos_tmu_data : A structure to hold the private data of the TMU
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driver
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* @id: identifier of the one instance of the TMU controller.
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* @base: base address of the single instance of the TMU controller.
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* @irq: irq number of the TMU controller.
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* @soc: id of the SOC type.
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* @irq_work: pointer to the irq work structure.
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* @lock: lock to implement synchronization.
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* @regulator: pointer to the TMU regulator structure.
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* @reg_conf: pointer to structure to register with core thermal.
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* @ntrip: number of supported trip points.
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* @tmu_initialize: SoC specific TMU initialization method
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* @tmu_control: SoC specific TMU control method
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* @tmu_read: SoC specific TMU temperature read method
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* @tmu_set_emulation: SoC specific TMU emulation setting method
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* @tmu_clear_irqs: SoC specific TMU interrupts clearing method
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*/
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struct exynos_tmu_data {
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int id;
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/* Throttle hotplug related variables */
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bool hotplug_enable;
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int hotplug_in_threshold;
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int hotplug_out_threshold;
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int limited_frequency;
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int limited_threshold;
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int limited_threshold_release;
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int limited_frequency_2;
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int limited_threshold_2;
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int limited_threshold_release_2;
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struct cpufreq_policy *policy;
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struct freq_qos_request thermal_limit_request;
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unsigned int limited;
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void __iomem *base;
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int irq;
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struct kthread_worker thermal_worker;
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struct kthread_work irq_work;
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struct kthread_work hotplug_work;
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struct mutex lock;
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struct thermal_zone_device *tzd;
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unsigned int ntrip;
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bool enabled;
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struct thermal_cooling_device *cool_dev;
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struct list_head node;
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char tmu_name[THERMAL_NAME_LENGTH + 1];
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struct device_node *np;
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struct cpumask cpu_domain;
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bool is_cpu_hotplugged_out;
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char cpuhp_name[THERMAL_NAME_LENGTH + 1];
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int temperature;
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bool use_pi_thermal;
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bool use_sync_pi_thermal;
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struct kthread_delayed_work pi_work;
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struct exynos_pi_param *pi_param;
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struct exynos_boost_param boost_param;
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struct notifier_block nb;
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atomic_t in_suspend;
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int use_emergency_throttle;
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int emergency_throttle;
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int emergency_frequency;
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int emergency_frequency_1;
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int emergency_frequency_2;
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int emergency_frequency_3;
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struct freq_qos_request emergency_throttle_request;
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ktime_t last_thermal_status_updated;
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ktime_t thermal_status[3];
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};
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extern int exynos_build_static_power_table(struct device_node *np, int **var_table,
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unsigned int *var_volt_size, unsigned int *var_temp_size, char *tz_name);
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extern void exynos_tmu_set_boost_mode(struct exynos_tmu_data *data, enum exynos_tmu_boost_mode new_mode, bool from_amb);
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extern struct exynos_tmu_data *exynos_tmu_get_data_from_tz(struct thermal_zone_device *tz);
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#if IS_ENABLED(CONFIG_EXYNOS_ACPM_THERMAL)
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#if defined(CONFIG_SOC_EXYNOS991) || defined(CONFIG_SOC_EXYNOS2100)
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#define PMUREG_AUD_STATUS 0x1884
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#define PMUREG_AUD_STATUS_MASK 0x1
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#endif
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SAMSUNG_ABOX)
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extern bool abox_is_on(void);
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#else
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static inline bool abox_is_on(void)
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{
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return 0;
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}
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#endif
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#if IS_ENABLED(CONFIG_ISP_THERMAL)
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int exynos_isp_cooling_init(void);
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#else
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static inline int exynos_isp_cooling_init(void)
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{
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return 0;
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}
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#endif
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#if IS_ENABLED(CONFIG_EXYNOS_ADV_TRACER)
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int adv_tracer_s2d_get_enable(void);
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int adv_tracer_s2d_set_enable(int en);
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#else
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#define adv_tracer_s2d_get_enable() do { } while (0)
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#define adv_tracer_s2d_set_enable(a) do { } while (0)
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#endif
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#endif /* _EXYNOS_TMU_H */
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