cstates.c

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpigen.h>
#include <southbridge/intel/i82801gx/i82801gx.h>
 
static const acpi_cstate_t cst_entries[] = {
        {
                /* ACPI C1 / CPU C1 */
                1, 0x01, 1000,
                { ACPI_ADDRESS_SPACE_FIXED, 1, 2, 1, 0, 0 }
        },
        {
                /* ACPI C2 / CPU C2 */
                2, 0x01,  500,
                { ACPI_ADDRESS_SPACE_IO, 8, 0, 0, DEFAULT_PMBASE + LV2, 0 }
        },
        {
                /* ACPI C3 / CPU C2 */
                2, 0x11,  250,
                { ACPI_ADDRESS_SPACE_IO, 8, 0, 0, DEFAULT_PMBASE + LV3, 0 }
        },
};
 
int get_cst_entries(const acpi_cstate_t **entries)
{
        *entries = cst_entries;
        return ARRAY_SIZE(cst_entries);
}