/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _EC_ACPI_H #define _EC_ACPI_H #include <types.h> #define EC_DATA 0x62 #define EC_SC 0x66 /* 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) // 1: 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 bool ec_ready_send(int timeout_us); bool ec_ready_recv(int timeout_us); int send_ec_command(u8 command); int send_ec_command_timeout(u8 command, int timeout); int send_ec_data(u8 data); int send_ec_data_timeout(u8 data, int timeout); u8 recv_ec_data(void); u8 recv_ec_data_timeout(int timeout); void ec_clear_out_queue(void); u8 ec_status(void); u8 ec_query(void); u8 ec_read(u8 addr); int ec_write(u8 addr, u8 data); void ec_set_bit(u8 addr, u8 bit); void ec_clr_bit(u8 addr, u8 bit); void ec_set_ports(u16 cmd_reg, u16 data_reg); #endif /* _EC_ACPI_H */