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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __AMDBLOCKS_ACPI_H__
#define __AMDBLOCKS_ACPI_H__
#include <types.h>
#include <soc/nvs.h>
/* ACPI MMIO registers 0xfed80800 */
#define MMIO_ACPI_PM1_STS 0x00
#define MMIO_ACPI_PM1_EN 0x02
#define MMIO_ACPI_PM1_CNT_BLK 0x04
/* sleep types defined in arch/x86/include/acpi/acpi.h */
#define ACPI_PM1_CNT_SCIEN BIT(0)
#define MMIO_ACPI_PM_TMR_BLK 0x08
#define MMIO_ACPI_CPU_CONTROL 0x0c
#define MMIO_ACPI_GPE0_STS 0x14
#define MMIO_ACPI_GPE0_EN 0x18
/* Structure to maintain standard ACPI register state for reporting purposes. */
struct acpi_pm_gpe_state {
uint16_t pm1_sts;
uint16_t pm1_en;
uint32_t gpe0_sts;
uint32_t gpe0_en;
uint16_t previous_sx_state;
uint16_t aligning_field;
};
/* Fill object with the ACPI PM and GPE state. */
void acpi_fill_pm_gpe_state(struct acpi_pm_gpe_state *state);
/* Save events to eventlog log and also print information on console. */
void acpi_pm_gpe_add_events_print_events(const struct acpi_pm_gpe_state *state);
/* Clear PM and GPE status registers. */
void acpi_clear_pm_gpe_status(void);
/* Fill GNVS object from PM GPE object. */
void acpi_fill_gnvs(struct global_nvs *gnvs, const struct acpi_pm_gpe_state *state);
/*
* If a system reset is about to be requested, modify the PM1 register so it
* will never be misinterpreted as an S3 resume.
*/
void set_pm1cnt_s5(void);
void acpi_enable_sci(void);
void acpi_disable_sci(void);
#endif /* __AMDBLOCKS_ACPI_H__ */
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