149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
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/* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
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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 version 2 and
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* only version 2 as published by the Free Software Foundation.
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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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#ifndef __ARCH_ARM_MACH_MSM_SPM_H
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#define __ARCH_ARM_MACH_MSM_SPM_H
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enum {
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MSM_SPM_MODE_DISABLED,
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MSM_SPM_MODE_CLOCK_GATING,
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MSM_SPM_MODE_RETENTION,
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MSM_SPM_MODE_GDHS,
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MSM_SPM_MODE_POWER_COLLAPSE,
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MSM_SPM_MODE_STANDALONE_POWER_COLLAPSE,
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MSM_SPM_MODE_FASTPC,
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MSM_SPM_MODE_NR
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};
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enum msm_spm_avs_irq {
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MSM_SPM_AVS_IRQ_MIN,
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MSM_SPM_AVS_IRQ_MAX,
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};
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struct msm_spm_device;
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struct device_node;
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#if defined(CONFIG_MSM_SPM)
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int msm_spm_set_low_power_mode(unsigned int mode, bool notify_rpm);
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int msm_spm_probe_done(void);
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int msm_spm_set_vdd(unsigned int cpu, unsigned int vlevel);
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int msm_spm_get_vdd(unsigned int cpu);
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int msm_spm_turn_on_cpu_rail(struct device_node *l2ccc_node,
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unsigned int val, int cpu, int vctl_offset);
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struct msm_spm_device *msm_spm_get_device_by_name(const char *name);
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int msm_spm_config_low_power_mode(struct msm_spm_device *dev,
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unsigned int mode, bool notify_rpm);
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int msm_spm_device_init(void);
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bool msm_spm_is_mode_avail(unsigned int mode);
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void msm_spm_dump_regs(unsigned int cpu);
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int msm_spm_is_avs_enabled(unsigned int cpu);
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int msm_spm_avs_enable(unsigned int cpu);
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int msm_spm_avs_disable(unsigned int cpu);
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int msm_spm_avs_set_limit(unsigned int cpu, uint32_t min_lvl,
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uint32_t max_lvl);
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int msm_spm_avs_enable_irq(unsigned int cpu, enum msm_spm_avs_irq irq);
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int msm_spm_avs_disable_irq(unsigned int cpu, enum msm_spm_avs_irq irq);
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int msm_spm_avs_clear_irq(unsigned int cpu, enum msm_spm_avs_irq irq);
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#if defined(CONFIG_MSM_L2_SPM)
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/* Public functions */
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int msm_spm_apcs_set_phase(int cpu, unsigned int phase_cnt);
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int msm_spm_enable_fts_lpm(int cpu, uint32_t mode);
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#else
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static inline int msm_spm_apcs_set_phase(int cpu, unsigned int phase_cnt)
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{
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return -ENOSYS;
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}
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static inline int msm_spm_enable_fts_lpm(int cpu, uint32_t mode)
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{
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return -ENOSYS;
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}
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#endif /* defined(CONFIG_MSM_L2_SPM) */
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#else /* defined(CONFIG_MSM_SPM) */
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static inline int msm_spm_set_low_power_mode(unsigned int mode, bool notify_rpm)
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{
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return -ENOSYS;
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}
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static inline int msm_spm_probe_done(void)
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{
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return -ENOSYS;
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}
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static inline int msm_spm_set_vdd(unsigned int cpu, unsigned int vlevel)
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{
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return -ENOSYS;
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}
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static inline int msm_spm_get_vdd(unsigned int cpu)
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{
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return 0;
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}
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static inline int msm_spm_turn_on_cpu_rail(struct device_node *l2ccc_node,
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unsigned int val, int cpu, int vctl_offset)
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{
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return -ENOSYS;
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}
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static inline int msm_spm_device_init(void)
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{
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return -ENOSYS;
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}
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static inline void msm_spm_dump_regs(unsigned int cpu)
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{
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return;
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}
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static inline int msm_spm_config_low_power_mode(struct msm_spm_device *dev,
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unsigned int mode, bool notify_rpm)
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{
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return -ENODEV;
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}
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static inline struct msm_spm_device *msm_spm_get_device_by_name(const char *name)
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{
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return NULL;
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}
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static inline bool msm_spm_is_mode_avail(unsigned int mode)
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{
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return false;
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}
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static inline int msm_spm_avs_enable_irq(unsigned int cpu,
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enum msm_spm_avs_irq irq)
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{
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return -ENOSYS;
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}
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static inline int msm_spm_avs_disable_irq(unsigned int cpu,
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enum msm_spm_avs_irq irq)
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{
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return -ENOSYS;
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}
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static inline int msm_spm_avs_clear_irq(unsigned int cpu,
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enum msm_spm_avs_irq irq)
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{
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return -ENOSYS;
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}
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#endif /* defined (CONFIG_MSM_SPM) */
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#endif /* __ARCH_ARM_MACH_MSM_SPM_H */
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