heci.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#ifndef _SOC_APOLLOLAKE_HECI_H_
#define _SOC_APOLLOLAKE_HECI_H_
 
#include <stdint.h>
 
enum sec_status {
        SEC_STATE_RESET = 0,
        SEC_STATE_INIT,
        SEC_STATE_RECOVERY,
        SEC_STATE_UNKNOWN0,
        SEC_STATE_UNKNOWN1,
        SEC_STATE_NORMAL,
        SEC_STATE_DISABLE_WAIT,
        SEC_STATE_TRANSITION,
        SEC_STATE_INVALID_CPU
};
 
#define REG_SEC_FW_STS0                                 0x40
#define MASK_SEC_FIRMWARE_COMPLETE                      (1 << 9)
#define MASK_SEC_STATUS                                 0xf
 
/* Read Firmware Status register */
uint32_t heci_fw_sts(void);
/* Returns true if CSE is in normal status */
bool heci_cse_normal(void);
/* Returns true if CSE is done with whatever it was doing */
bool heci_cse_done(void);
 
/* Dump CSE state and lockdown HECI1 interface using P2SB message. */
void heci_cse_lockdown(void);
 
#endif