blob: aa40706f96a2fa97ffdf8497a1f3774ab98bd25e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef AMD_BLOCK_ACPI_H
#define AMD_BLOCK_ACPI_H
#include <types.h>
#include <amdblocks/gpio_banks.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(void);
/* Clear PM and GPE status registers. */
void acpi_clear_pm_gpe_status(void);
/*
* 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);
struct chipset_power_state {
struct acpi_pm_gpe_state gpe_state;
struct gpio_wake_state gpio_state;
};
#endif /* AMD_BLOCK_ACPI_H */
|