ec_oem.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#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