pep.c File Reference

#include <acpi/acpigen.h>
#include <assert.h>
#include <console/console.h>
#include <intelblocks/acpi.h>
#include <intelblocks/pmc_ipc.h>
#include <stdlib.h>
#include <types.h>

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Data Structures
struct	reg_info

Macros
#define	LPI_S0_HELPER_UUID   "c4eb40a0-6cd2-11e2-bcfd-0800200c9a66"
#define	PEP_S0IX_UUID   "57a6512e-3979-4e9d-9708-ff13b2508972"
#define	SYSTEM_POWER_MANAGEMENT_HID   "INT33A1"
#define	SYSTEM_POWER_MANAGEMENT_CID   "PNP0D80"
#define	EC_S0IX_HOOK   "\\_SB.PCI0.LPCB.EC0.S0IX"
#define	MAINBOARD_HOOK   "\\_SB.MS0X"
#define	ENABLE_PM_BITS_HOOK   "\\_SB.PCI0.EGPM"
#define	RESTORE_PM_BITS_HOOK   "\\_SB.PCI0.RGPM"
#define	LPI_STATES_ALL   0xff
#define	MIN_DEVICE_STATE   ACPI_DEVICE_SLEEP_D0
#define	PEPD_SCOPE   "\\_SB.PCI0"

Functions
static void	read_pmc_lpm_requirements (const struct soc_pmc_lpm *lpm, struct reg_info *info)
static void	lpi_get_constraints (void *unused)
static void	lpi_s0ix_entry (void *unused)
static void	lpi_s0ix_exit (void *unused)
static void	pep_s0ix_return_lpm_requirements (void *arg)
void	generate_acpi_power_engine_with_lpm (const struct soc_pmc_lpm *lpm)
void	generate_acpi_power_engine (void)

Variables
static void(*	lpi_s0_helpers [])(void *)
static void(*	pep_s0ix [])(void *)

Macro Definition Documentation

EC_S0IX_HOOK

#define EC_S0IX_HOOK   "\\_SB.PCI0.LPCB.EC0.S0IX"

Definition at line 15 of file pep.c.

ENABLE_PM_BITS_HOOK

#define ENABLE_PM_BITS_HOOK   "\\_SB.PCI0.EGPM"

Definition at line 17 of file pep.c.

LPI_S0_HELPER_UUID

#define LPI_S0_HELPER_UUID   "c4eb40a0-6cd2-11e2-bcfd-0800200c9a66"

Definition at line 11 of file pep.c.

LPI_STATES_ALL

#define LPI_STATES_ALL   0xff

Definition at line 19 of file pep.c.

MAINBOARD_HOOK

#define MAINBOARD_HOOK   "\\_SB.MS0X"

Definition at line 16 of file pep.c.

MIN_DEVICE_STATE

#define MIN_DEVICE_STATE   ACPI_DEVICE_SLEEP_D0

Definition at line 20 of file pep.c.

PEP_S0IX_UUID

#define PEP_S0IX_UUID   "57a6512e-3979-4e9d-9708-ff13b2508972"

Definition at line 12 of file pep.c.

PEPD_SCOPE

#define PEPD_SCOPE   "\\_SB.PCI0"

Definition at line 21 of file pep.c.

RESTORE_PM_BITS_HOOK

#define RESTORE_PM_BITS_HOOK   "\\_SB.PCI0.RGPM"

Definition at line 18 of file pep.c.

SYSTEM_POWER_MANAGEMENT_CID

#define SYSTEM_POWER_MANAGEMENT_CID   "PNP0D80"

Definition at line 14 of file pep.c.

SYSTEM_POWER_MANAGEMENT_HID

#define SYSTEM_POWER_MANAGEMENT_HID   "INT33A1"

Definition at line 13 of file pep.c.

Function Documentation

generate_acpi_power_engine()

void generate_acpi_power_engine

(

void

)

Definition at line 207 of file pep.c.

References generate_acpi_power_engine_with_lpm(), and NULL.

Referenced by pmc_fill_ssdt().

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generate_acpi_power_engine_with_lpm()

void generate_acpi_power_engine_with_lpm

(

const struct soc_pmc_lpm *

lpm

)

Definition at line 179 of file pep.c.

References acpigen_emit_eisaid(), acpigen_write_device(), acpigen_write_device_end(), acpigen_write_dsm_uuid_arr(), acpigen_write_name(), acpigen_write_name_string(), acpigen_write_scope(), acpigen_write_scope_end(), ARRAY_SIZE, BIOS_INFO, DSM_UUID, free(), info, LPI_S0_HELPER_UUID, lpi_s0_helpers, NULL, pep_s0ix, PEP_S0IX_UUID, PEPD_SCOPE, printk, read_pmc_lpm_requirements(), SYSTEM_POWER_MANAGEMENT_CID, and SYSTEM_POWER_MANAGEMENT_HID.

Referenced by generate_acpi_power_engine(), and soc_pmc_fill_ssdt().

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lpi_get_constraints()

static void lpi_get_constraints ( void *  unused )

static

Definition at line 77 of file pep.c.

References acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_write_integer(), acpigen_write_package(), acpigen_write_package_end(), LPI_STATES_ALL, MIN_DEVICE_STATE, RETURN_OP, and snprintf().

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lpi_s0ix_entry()

static void lpi_s0ix_entry ( void *  unused )

static

Definition at line 112 of file pep.c.

References acpigen_emit_namestring(), acpigen_write_if_cond_ref_of(), acpigen_write_if_end(), acpigen_write_integer(), EC_S0IX_HOOK, ENABLE_PM_BITS_HOOK, and MAINBOARD_HOOK.

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lpi_s0ix_exit()

static void lpi_s0ix_exit ( void *  unused )

static

Definition at line 133 of file pep.c.

References acpigen_emit_namestring(), acpigen_write_if_cond_ref_of(), acpigen_write_if_end(), acpigen_write_integer(), EC_S0IX_HOOK, MAINBOARD_HOOK, and RESTORE_PM_BITS_HOOK.

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pep_s0ix_return_lpm_requirements()

static void pep_s0ix_return_lpm_requirements ( void *  arg )

static

Definition at line 163 of file pep.c.

References acpigen_write_return_byte_buffer(), acpigen_write_return_singleton_buffer(), arg, CONFIG, and info.

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read_pmc_lpm_requirements()

static void read_pmc_lpm_requirements ( const struct soc_pmc_lpm *  lpm, struct reg_info *  info  )

static

Definition at line 28 of file pep.c.

References assert, BIOS_ERR, BIT, pmc_ipc_buffer::buf, calloc(), CB_SUCCESS, CONFIG, info, soc_pmc_lpm::lpm_enable_mask, soc_pmc_lpm::lpm_ipc_offset, memset(), soc_pmc_lpm::num_req_regs, soc_pmc_lpm::num_substates, offset, PMC_IPC_CMD_RD_PMC_REG, PMC_IPC_CMD_SUBCMD_RD_PMC_REG, pmc_make_ipc_cmd(), pmc_send_ipc_cmd(), printk, and soc_pmc_lpm::req_reg_stride.

Referenced by generate_acpi_power_engine_with_lpm().

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Variable Documentation

lpi_s0_helpers

void(* lpi_s0_helpers[])(void *) ( void *  )

static

Initial value:

= {
        NULL,                   
        lpi_get_constraints,    
        NULL,                   
        NULL,                   
        NULL,                   
        lpi_s0ix_entry,         
        lpi_s0ix_exit,          
}

Definition at line 153 of file pep.c.

Referenced by generate_acpi_power_engine_with_lpm().

pep_s0ix

void(* pep_s0ix[])(void *) ( void *  )

static

Initial value:

= {
        NULL,                                   
        pep_s0ix_return_lpm_requirements,       
}

Definition at line 174 of file pep.c.

Referenced by generate_acpi_power_engine_with_lpm().