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/* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Intel X86 chipset power control module for Chrome EC */
#ifndef __CROS_EC_INTEL_X86_H
#define __CROS_EC_INTEL_X86_H
#include "espi.h"
#include "power.h"
/* Chipset specific header files */
#if defined(CONFIG_CHIPSET_ALDERLAKE_SLG4BD44540)
#include "alderlake_slg4bd44540.h"
/* Geminilake and apollolake use same power sequencing. */
#elif defined(CONFIG_CHIPSET_APL_GLK)
#include "apollolake.h"
#elif defined(CONFIG_CHIPSET_CANNONLAKE)
#include "cannonlake.h"
#elif defined(CONFIG_CHIPSET_COMETLAKE)
#include "cometlake.h"
#elif defined(CONFIG_CHIPSET_COMETLAKE_DISCRETE)
#include "cometlake-discrete.h"
#elif defined(CONFIG_CHIPSET_ICELAKE)
#include "icelake.h"
#elif defined(CONFIG_CHIPSET_SKYLAKE)
#include "skylake.h"
#endif
/* GPIO for power signal */
#ifdef CONFIG_HOSTCMD_ESPI_VW_SLP_S3
#define SLP_S3_SIGNAL_L VW_SLP_S3_L
#else
#define SLP_S3_SIGNAL_L GPIO_PCH_SLP_S3_L
#endif
#ifdef CONFIG_HOSTCMD_ESPI_VW_SLP_S4
#define SLP_S4_SIGNAL_L VW_SLP_S4_L
#else
#define SLP_S4_SIGNAL_L GPIO_PCH_SLP_S4_L
#endif
/**
* Handle RSMRST signal.
*
* @param state Current chipset state.
*/
void common_intel_x86_handle_rsmrst(enum power_state state);
/**
* Force chipset to G3 state.
*
* @return power_state New chipset state.
*/
enum power_state chipset_force_g3(void);
/**
* Handle power states.
*
* @param state Current chipset state.
* @return power_state New chipset state.
*/
enum power_state common_intel_x86_power_handle_state(enum power_state state);
/**
* Wait for power-up to be allowed based on available power.
*
* This delays G3->S5 until there is enough power to boot the AP, waiting
* first until the charger (if any) is ready, then for there to be sufficient
* power.
*
* In case of error, the caller should not allow power-up past G3.
*
* @return EC_SUCCESS if OK.
*/
enum ec_error_list intel_x86_wait_power_up_ok(void);
/**
* Get the value of PG_EC_DSW_PWROK.
*
* The default implementation is just to return the GPIO. But if a
* board doesn't have that GPIO, they may override this function.
*/
__override_proto int intel_x86_get_pg_ec_dsw_pwrok(void);
/**
* Get the value of PG_EC_ALL_SYS_PWRGD.
*
* The default implementation is just to return the GPIO. But if a
* board doesn't have that GPIO, they may override this function.
*/
__override_proto int intel_x86_get_pg_ec_all_sys_pwrgd(void);
/**
* Introduces SYS_RESET_L Debounce time delay
*
* The default implementation is to wait for a duration of 32 ms.
* If board needs a different debounce time delay, they may override
* this function
*/
__override_proto void intel_x86_sys_reset_delay(void);
#endif /* __CROS_EC_INTEL_X86_H */
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