diff --git a/arch/arm/mach-msm/include/mach/pm.h b/arch/arm/mach-msm/include/mach/pm.h new file mode 100644 index 00000000000..892472b8338 --- /dev/null +++ b/arch/arm/mach-msm/include/mach/pm.h @@ -0,0 +1,82 @@ +/* arch/arm/mach-msm/pm.h + * + * Copyright (C) 2007 Google, Inc. + * Copyright (c) 2009-2012, Code Aurora Forum. All rights reserved. + * Author: San Mehat + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + * + */ + +#ifndef __ARCH_ARM_MACH_MSM_PM_H +#define __ARCH_ARM_MACH_MSM_PM_H + +#include +#include + +#ifdef CONFIG_SMP +extern void msm_secondary_startup(void); +#else +#define msm_secondary_startup NULL +#endif + +enum msm_pm_sleep_mode { + MSM_PM_SLEEP_MODE_POWER_COLLAPSE_SUSPEND, + MSM_PM_SLEEP_MODE_POWER_COLLAPSE, + MSM_PM_SLEEP_MODE_APPS_SLEEP, + MSM_PM_SLEEP_MODE_RAMP_DOWN_AND_WAIT_FOR_INTERRUPT, + MSM_PM_SLEEP_MODE_WAIT_FOR_INTERRUPT, + MSM_PM_SLEEP_MODE_POWER_COLLAPSE_NO_XO_SHUTDOWN, + MSM_PM_SLEEP_MODE_POWER_COLLAPSE_STANDALONE, + MSM_PM_SLEEP_MODE_NR +}; + +#define MSM_PM_MODE(cpu, mode_nr) ((cpu) * MSM_PM_SLEEP_MODE_NR + (mode_nr)) + +struct msm_pm_platform_data { + u8 idle_supported; /* Allow device to enter mode during idle */ + u8 suspend_supported; /* Allow device to enter mode during suspend */ + u8 suspend_enabled; /* enabled for suspend */ + u8 idle_enabled; /* enabled for idle low power */ + u32 latency; /* interrupt latency in microseconds when entering + and exiting the low power mode */ + u32 residency; /* time threshold in microseconds beyond which + staying in the low power mode saves power */ +}; + +struct msm_pm_sleep_status_data { + void *base_addr; + uint32_t cpu_offset; + uint32_t mask; +}; + +void msm_pm_set_platform_data(struct msm_pm_platform_data *data, int count); +int msm_pm_idle_prepare(struct cpuidle_device *dev); +int msm_pm_idle_enter(enum msm_pm_sleep_mode sleep_mode); +void msm_pm_cpu_enter_lowpower(unsigned int cpu); + +void __init msm_pm_init_sleep_status_data( + struct msm_pm_sleep_status_data *sleep_data); +#ifdef CONFIG_MSM_PM8X60 +void msm_pm_set_rpm_wakeup_irq(unsigned int irq); +int msm_pm_wait_cpu_shutdown(unsigned int cpu); +bool msm_pm_verify_cpu_pc(unsigned int cpu); +#else +static inline void msm_pm_set_rpm_wakeup_irq(unsigned int irq) {} +static inline int msm_pm_wait_cpu_shutdown(unsigned int cpu) { return 0; } +static inline bool msm_pm_verify_cpu_pc(unsigned int cpu) { return true; } +#endif + +#ifdef CONFIG_HOTPLUG_CPU +int msm_platform_secondary_init(unsigned int cpu); +#else +static inline int msm_platform_secondary_init(unsigned int cpu) { return 0; } +#endif +#endif /* __ARCH_ARM_MACH_MSM_PM_H */