diff options
Diffstat (limited to 'plat/mediatek/lib/pm/mtk_pm.h')
| -rw-r--r-- | plat/mediatek/lib/pm/mtk_pm.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/plat/mediatek/lib/pm/mtk_pm.h b/plat/mediatek/lib/pm/mtk_pm.h new file mode 100644 index 0000000..4a29439 --- /dev/null +++ b/plat/mediatek/lib/pm/mtk_pm.h @@ -0,0 +1,223 @@ +/* + * Copyright (c) 2022, Mediatek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef MTK_PM_H +#define MTK_PM_H +#include <lib/psci/psci.h> + +#if MTK_PUBEVENT_ENABLE +#include <vendor_pubsub_events.h> +#endif + +#define MTK_CPUPM_E_OK (0) +#define MTK_CPUPM_E_UNKNOWN (-1) +#define MTK_CPUPM_E_ERR (-2) +#define MTK_CPUPM_E_FAIL (-3) +#define MTK_CPUPM_E_NOT_SUPPORT (-4) + + +#define MTK_CPUPM_FN_PWR_LOCK_AQUIRE BIT(0) +#define MTK_CPUPM_FN_INIT BIT(1) +#define MTK_CPUPM_FN_PWR_STATE_VALID BIT(2) +#define MTK_CPUPM_FN_PWR_ON_CORE_PREPARE BIT(3) +#define MTK_CPUPM_FN_SUSPEND_CORE BIT(4) +#define MTK_CPUPM_FN_RESUME_CORE BIT(5) +#define MTK_CPUPM_FN_SUSPEND_CLUSTER BIT(6) +#define MTK_CPUPM_FN_RESUME_CLUSTER BIT(7) +#define MTK_CPUPM_FN_SUSPEND_MCUSYS BIT(8) +#define MTK_CPUPM_FN_RESUME_MCUSYS BIT(9) +#define MTK_CPUPM_FN_CPUPM_GET_PWR_STATE BIT(10) +#define MTK_CPUPM_FN_SMP_INIT BIT(11) +#define MTK_CPUPM_FN_SMP_CORE_ON BIT(12) +#define MTK_CPUPM_FN_SMP_CORE_OFF BIT(13) + +enum mtk_cpupm_pstate { + MTK_CPUPM_CORE_ON, + MTK_CPUPM_CORE_OFF, + MTK_CPUPM_CORE_SUSPEND, + MTK_CPUPM_CORE_RESUME, + MTK_CPUPM_CLUSTER_SUSPEND, + MTK_CPUPM_CLUSTER_RESUME, + MTK_CPUPM_MCUSYS_SUSPEND, + MTK_CPUPM_MCUSYS_RESUME, +}; + +enum mtk_cpu_pm_mode { + MTK_CPU_PM_CPUIDLE, + MTK_CPU_PM_SMP, +}; + +#define MT_IRQ_REMAIN_MAX (32) +#define MT_IRQ_REMAIN_CAT_LOG BIT(31) + +struct mt_irqremain { + unsigned int count; + unsigned int irqs[MT_IRQ_REMAIN_MAX]; + unsigned int wakeupsrc_cat[MT_IRQ_REMAIN_MAX]; + unsigned int wakeupsrc[MT_IRQ_REMAIN_MAX]; +}; + +typedef void (*plat_init_func)(unsigned int, uintptr_t); + +struct plat_pm_smp_ctrl { + plat_init_func init; + int (*pwr_domain_on)(u_register_t mpidr); + void (*pwr_domain_off)(const psci_power_state_t *target_state); + void (*pwr_domain_on_finish)(const psci_power_state_t *target_state); +}; + +struct plat_pm_pwr_ctrl { + void (*pwr_domain_suspend)(const psci_power_state_t *target_state); + void (*pwr_domain_on_finish_late)(const psci_power_state_t *target_state); + void (*pwr_domain_suspend_finish)(const psci_power_state_t *target_state); + int (*validate_power_state)(unsigned int power_state, psci_power_state_t *req_state); + void (*get_sys_suspend_power_state)(psci_power_state_t *req_state); +}; + +struct plat_pm_reset_ctrl { + __dead2 void (*system_off)(); + __dead2 void (*system_reset)(); + int (*system_reset2)(int is_vendor, int reset_type, u_register_t cookie); +}; + +struct mtk_cpu_pm_info { + unsigned int cpuid; + unsigned int mode; +}; + +struct mtk_cpu_pm_state { + unsigned int afflv; + unsigned int state_id; + const psci_power_state_t *raw; +}; + +struct mtk_cpupm_pwrstate { + struct mtk_cpu_pm_info info; + struct mtk_cpu_pm_state pwr; +}; + +struct mtk_cpu_smp_ops { + void (*init)(unsigned int cpu, uintptr_t sec_entrypoint); + int (*cpu_pwr_on_prepare)(unsigned int cpu, uintptr_t entry); + void (*cpu_on)(const struct mtk_cpupm_pwrstate *state); + void (*cpu_off)(const struct mtk_cpupm_pwrstate *state); + int (*invoke)(unsigned int funcID, void *priv); +}; + +#define MT_CPUPM_PWR_DOMAIN_CORE BIT(0) +#define MT_CPUPM_PWR_DOMAIN_PERCORE_DSU BIT(1) +#define MT_CPUPM_PWR_DOMAIN_PERCORE_DSU_MEM BIT(2) +#define MT_CPUPM_PWR_DOMAIN_CLUSTER BIT(3) +#define MT_CPUPM_PWR_DOMAIN_MCUSYS BIT(4) +#define MT_CPUPM_PWR_DOMAIN_SUSPEND BIT(5) + +enum mt_cpupm_pwr_domain { + CPUPM_PWR_ON, + CPUPM_PWR_OFF, +}; + +typedef unsigned int mtk_pstate_type; + +struct mtk_cpu_pm_ops { + void (*init)(unsigned int cpu, uintptr_t sec_entrypoint); + unsigned int (*get_pstate)(enum mt_cpupm_pwr_domain domain, + const mtk_pstate_type psci_state, + const struct mtk_cpupm_pwrstate *state); + int (*pwr_state_valid)(unsigned int afflv, unsigned int state); + void (*cpu_suspend)(const struct mtk_cpupm_pwrstate *state); + void (*cpu_resume)(const struct mtk_cpupm_pwrstate *state); + void (*cluster_suspend)(const struct mtk_cpupm_pwrstate *state); + void (*cluster_resume)(const struct mtk_cpupm_pwrstate *state); + void (*mcusys_suspend)(const struct mtk_cpupm_pwrstate *state); + void (*mcusys_resume)(const struct mtk_cpupm_pwrstate *state); + int (*invoke)(unsigned int funcID, void *priv); +}; + +int register_cpu_pm_ops(unsigned int fn_flags, struct mtk_cpu_pm_ops *ops); +int register_cpu_smp_ops(unsigned int fn_flags, struct mtk_cpu_smp_ops *ops); + +struct mt_cpupm_event_data { + unsigned int cpuid; + unsigned int pwr_domain; +}; + +/* Extension event for platform driver */ +#if MTK_PUBEVENT_ENABLE +/* [PUB_EVENT] Core power on */ +#define MT_CPUPM_SUBCRIBE_EVENT_PWR_ON(_fn) \ + SUBSCRIBE_TO_EVENT(mt_cpupm_publish_pwr_on, _fn) + +/* [PUB_EVENT] Core power off */ +#define MT_CPUPM_SUBCRIBE_EVENT_PWR_OFF(_fn) \ + SUBSCRIBE_TO_EVENT(mt_cpupm_publish_pwr_off, _fn) + +/* [PUB_EVENT] Cluster power on */ +#define MT_CPUPM_SUBCRIBE_CLUSTER_PWR_ON(_fn) \ + SUBSCRIBE_TO_EVENT(mt_cpupm_publish_afflv_pwr_on, _fn) + +/* [PUB_EVENT] Cluster power off */ +#define MT_CPUPM_SUBCRIBE_CLUSTER_PWR_OFF(_fn) \ + SUBSCRIBE_TO_EVENT(mt_cpupm_publish_afflv_pwr_off, _fn) + +/* [PUB_EVENT] Mcusys power on */ +#define MT_CPUPM_SUBCRIBE_MCUSYS_PWR_ON(_fn) \ + SUBSCRIBE_TO_EVENT(mt_cpupm_publish_afflv_pwr_on, _fn) + +/* [PUB_EVENT] Mcusys power off */ +#define MT_CPUPM_SUBCRIBE_MCUSYS_PWR_OFF(_fn) \ + SUBSCRIBE_TO_EVENT(mt_cpupm_publish_afflv_pwr_off, _fn) + +#else +#define MT_CPUPM_SUBCRIBE_EVENT_PWR_ON(_fn) +#define MT_CPUPM_SUBCRIBE_EVENT_PWR_OFF(_fn) +#define MT_CPUPM_SUBCRIBE_CLUSTER_PWR_ON(_fn) +#define MT_CPUPM_SUBCRIBE_CLUSTER_PWR_OFF(_fn) +#define MT_CPUPM_SUBCRIBE_MCUSYS_PWR_ON(_fn) +#define MT_CPUPM_SUBCRIBE_MCUSYS_PWR_OFF(_fn) +#endif + +/* + * Definition c-state power domain. + * bit[7:4] (main state id): + * - 1: Cluster. + * - 2: Mcusys. + * - 3: Memory. + * - 4: System pll. + * - 5: System bus. + * - 6: SoC 26m/DCXO. + * - 7: Vcore buck. + * - 15: Suspend. + * bit[3:0] (reserved for state_id extension): + * - 4: CPU buck. + */ +#define MT_PLAT_PWR_STATE_CLUSTER (0x0010) +#define MT_PLAT_PWR_STATE_MCUSYS (0x0020) +#define MT_PLAT_PWR_STATE_MCUSYS_BUCK (0x0024) +#define MT_PLAT_PWR_STATE_SYSTEM_MEM (0x0030) +#define MT_PLAT_PWR_STATE_SYSTEM_PLL (0x0040) +#define MT_PLAT_PWR_STATE_SYSTEM_BUS (0x0050) +#define MT_PLAT_PWR_STATE_SUSPEND (0x00f0) + +#define IS_MT_PLAT_PWR_STATE(state, target_state) ((state & target_state) == target_state) +#define IS_MT_PLAT_PWR_STATE_MCUSYS(state) IS_MT_PLAT_PWR_STATE(state, MT_PLAT_PWR_STATE_MCUSYS) + +#define PLAT_MT_SYSTEM_SUSPEND PLAT_MAX_OFF_STATE +#define PLAT_MT_CPU_SUSPEND_CLUSTER PLAT_MAX_RET_STATE +#define PLAT_MT_CPU_SUSPEND_MCUSYS PLAT_MAX_RET_STATE + +#define IS_PLAT_SYSTEM_SUSPEND(aff) (aff == PLAT_MT_SYSTEM_SUSPEND) +#define IS_PLAT_SYSTEM_RETENTION(aff) (aff >= PLAT_MAX_RET_STATE) + +#define IS_PLAT_SUSPEND_ID(stateid) (stateid == MT_PLAT_PWR_STATE_SUSPEND) + +#define IS_PLAT_MCUSYSOFF_AFFLV(afflv) (afflv >= PLAT_MT_CPU_SUSPEND_MCUSYS) + +int plat_pm_ops_setup_pwr(struct plat_pm_pwr_ctrl *ops); +int plat_pm_ops_setup_reset(struct plat_pm_reset_ctrl *ops); +int plat_pm_ops_setup_smp(struct plat_pm_smp_ctrl *ops); +uintptr_t plat_pm_get_warm_entry(void); + +#endif |