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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#ifndef _MAINBOARD_EC_OEM_H
#define _MAINBOARD_EC_OEM_H
#define EC_OEM_DATA 0x68
#define EC_OEM_SC 0x6c
/* EC_SC input */
#define EC_SMI_EVT (1 << 6) // 1: SMI event pending
#define EC_SCI_EVT (1 << 5) // 1: SCI event pending
#define EC_BURST (1 << 4) // controller is in burst mode
#define EC_CMD (1 << 3) // 1: byte in data register is command
// 0: byte in data register is data
#define EC_IBF (1 << 1) // 1: input buffer full (data ready for ec)
#define EC_OBF (1 << 0) // 1: output buffer full (data ready for host)
/* EC_SC output */
#define RD_EC 0x80 // Read Embedded Controller
#define WR_EC 0x81 // Write Embedded Controller
#define BE_EC 0x82 // Burst Enable Embedded Controller
#define BD_EC 0x83 // Burst Disable Embedded Controller
#define QR_EC 0x84 // Query Embedded Controller
int send_ec_oem_command(u8 command);
int send_ec_oem_data(u8 data);
int send_ec_oem_data_nowait(u8 data);
u8 recv_ec_oem_data(void);
u8 ec_oem_read(u8 addr);
int ec_oem_write(u8 addr, u8 data);
int ec_dump_status(void);
int ec_oem_dump_status(void);
#endif
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