Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2015 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Header for Exynos PMU Driver support
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*/
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#ifndef __EXYNOS_PMU_H
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#define __EXYNOS_PMU_H
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#include <linux/io.h>
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#define PMU_TABLE_END (-1U)
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struct regmap_access_table;
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struct exynos_pmu_conf {
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unsigned int offset;
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u8 val[NUM_SYS_POWERDOWN];
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};
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/**
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* struct exynos_pmu_data - of_device_id (match) data
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*
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* @pmu_config: Optional table detailing register writes for target system
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* states: SYS_AFTR, SYS_LPA, SYS_SLEEP.
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* @pmu_config_extra: Optional secondary table detailing additional register
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* writes for target system states: SYS_AFTR, SYS_LPA,
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* SYS_SLEEP.
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* @pmu_secure: Whether or not PMU register writes need to be done via SMC call.
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* @pmu_cpuhp: Whether or not extra handling is required for CPU hotplug and
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* CPUidle outside of standard PSCI calls, due to non-compliant
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* firmware.
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* @pmu_init: Optional init function.
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* @powerdown_conf: Optional callback before entering target system states:
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* SYS_AFTR, SYS_LPA, SYS_SLEEP. This will be invoked before
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* the registers from @pmu_config are written.
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* @powerdown_conf_extra: Optional secondary callback before entering
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* target system states: SYS_AFTR, SYS_LPA, SYS_SLEEP.
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* This will be invoked after @pmu_config registers have
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* been written.
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* @rd_table: A table of readable register ranges in case a custom regmap is
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* used (i.e. when @pmu_secure is @true).
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* @wr_table: A table of writable register ranges in case a custom regmap is
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* used (i.e. when @pmu_secure is @true).
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*/
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struct exynos_pmu_data {
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const struct exynos_pmu_conf *pmu_config;
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const struct exynos_pmu_conf *pmu_config_extra;
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bool pmu_secure;
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bool pmu_cpuhp;
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void (*pmu_init)(void);
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void (*powerdown_conf)(enum sys_powerdown);
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void (*powerdown_conf_extra)(enum sys_powerdown);
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const struct regmap_access_table *rd_table;
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const struct regmap_access_table *wr_table;
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};
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extern void __iomem *pmu_base_addr;
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#ifdef CONFIG_EXYNOS_PMU_ARM_DRIVERS
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/* list of all exported SoC specific data */
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extern const struct exynos_pmu_data exynos3250_pmu_data;
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extern const struct exynos_pmu_data exynos4210_pmu_data;
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extern const struct exynos_pmu_data exynos4212_pmu_data;
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extern const struct exynos_pmu_data exynos4412_pmu_data;
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extern const struct exynos_pmu_data exynos5250_pmu_data;
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extern const struct exynos_pmu_data exynos5420_pmu_data;
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#endif
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extern const struct exynos_pmu_data gs101_pmu_data;
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extern void pmu_raw_writel(u32 val, u32 offset);
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extern u32 pmu_raw_readl(u32 offset);
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int tensor_sec_reg_write(void *context, unsigned int reg, unsigned int val);
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int tensor_sec_reg_read(void *context, unsigned int reg, unsigned int *val);
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int tensor_sec_update_bits(void *context, unsigned int reg, unsigned int mask,
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unsigned int val);
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#endif /* __EXYNOS_PMU_H */
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