/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * SECO X86 Boards CEC register defines * * Author: Ettore Chimenti * Copyright (C) 2018, SECO Spa. * Copyright (C) 2018, Aidilab Srl. */ #ifndef __SECO_CEC_H__ #define __SECO_CEC_H__ #define SECOCEC_MAX_ADDRS 1 #define SECOCEC_DEV_NAME "secocec" #define SECOCEC_LATEST_FW 0x0f0b #define SMBTIMEOUT 0xfff #define SMB_POLL_UDELAY 10 #define SMBUS_WRITE 0 #define SMBUS_READ 1 #define CMD_BYTE_DATA 0 #define CMD_WORD_DATA 1 /* * SMBus definitons for Braswell */ #define BRA_DONE_STATUS BIT(7) #define BRA_INUSE_STS BIT(6) #define BRA_FAILED_OP BIT(4) #define BRA_BUS_ERR BIT(3) #define BRA_DEV_ERR BIT(2) #define BRA_INTR BIT(1) #define BRA_HOST_BUSY BIT(0) #define BRA_HSTS_ERR_MASK (BRA_FAILED_OP | BRA_BUS_ERR | BRA_DEV_ERR) #define BRA_PEC_EN BIT(7) #define BRA_START BIT(6) #define BRA_LAST__BYTE BIT(5) #define BRA_INTREN BIT(0) #define BRA_SMB_CMD (7 << 2) #define BRA_SMB_CMD_QUICK (0 << 2) #define BRA_SMB_CMD_BYTE (1 << 2) #define BRA_SMB_CMD_BYTE_DATA (2 << 2) #define BRA_SMB_CMD_WORD_DATA (3 << 2) #define BRA_SMB_CMD_PROCESS_CALL (4 << 2) #define BRA_SMB_CMD_BLOCK (5 << 2) #define BRA_SMB_CMD_I2CREAD (6 << 2) #define BRA_SMB_CMD_BLOCK_PROCESS (7 << 2) #define BRA_SMB_BASE_ADDR 0x2040 #define HSTS (BRA_SMB_BASE_ADDR + 0) #define HCNT (BRA_SMB_BASE_ADDR + 2) #define HCMD (BRA_SMB_BASE_ADDR + 3) #define XMIT_SLVA (BRA_SMB_BASE_ADDR + 4) #define HDAT0 (BRA_SMB_BASE_ADDR + 5) #define HDAT1 (BRA_SMB_BASE_ADDR + 6) /* * Microcontroller Address */ #define SECOCEC_MICRO_ADDRESS 0x40 /* * STM32 SMBus Registers */ #define SECOCEC_VERSION 0x00 #define SECOCEC_ENABLE_REG_1 0x01 #define SECOCEC_ENABLE_REG_2 0x02 #define SECOCEC_STATUS_REG_1 0x03 #define SECOCEC_STATUS_REG_2 0x04 #define SECOCEC_STATUS 0x28 #define SECOCEC_DEVICE_LA 0x29 #define SECOCEC_READ_OPERATION_ID 0x2a #define SECOCEC_READ_DATA_LENGTH 0x2b #define SECOCEC_READ_DATA_00 0x2c #define SECOCEC_READ_DATA_02 0x2d #define SECOCEC_READ_DATA_04 0x2e #define SECOCEC_READ_DATA_06 0x2f #define SECOCEC_READ_DATA_08 0x30 #define SECOCEC_READ_DATA_10 0x31 #define SECOCEC_READ_DATA_12 0x32 #define SECOCEC_READ_BYTE0 0x33 #define SECOCEC_WRITE_OPERATION_ID 0x34 #define SECOCEC_WRITE_DATA_LENGTH 0x35 #define SECOCEC_WRITE_DATA_00 0x36 #define SECOCEC_WRITE_DATA_02 0x37 #define SECOCEC_WRITE_DATA_04 0x38 #define SECOCEC_WRITE_DATA_06 0x39 #define SECOCEC_WRITE_DATA_08 0x3a #define SECOCEC_WRITE_DATA_10 0x3b #define SECOCEC_WRITE_DATA_12 0x3c #define SECOCEC_WRITE_BYTE0 0x3d #define SECOCEC_IR_READ_DATA 0x3e /* * IR */ #define SECOCEC_IR_COMMAND_MASK 0x007F #define SECOCEC_IR_COMMAND_SHL 0 #define SECOCEC_IR_ADDRESS_MASK 0x1F00 #define SECOCEC_IR_ADDRESS_SHL 7 #define SECOCEC_IR_TOGGLE_MASK 0x8000 #define SECOCEC_IR_TOGGLE_SHL 15 /* * Enabling register */ #define SECOCEC_ENABLE_REG_1_CEC 0x1000 #define SECOCEC_ENABLE_REG_1_IR 0x2000 #define SECOCEC_ENABLE_REG_1_IR_PASSTHROUGH 0x4000 /* * Status register */ #define SECOCEC_STATUS_REG_1_CEC SECOCEC_ENABLE_REG_1_CEC #define SECOCEC_STATUS_REG_1_IR SECOCEC_ENABLE_REG_1_IR #define SECOCEC_STATUS_REG_1_IR_PASSTHR SECOCEC_ENABLE_REG_1_IR_PASSTHR /* * Status data */ #define SECOCEC_STATUS_MSG_RECEIVED_MASK BIT(0) #define SECOCEC_STATUS_RX_ERROR_MASK BIT(1) #define SECOCEC_STATUS_MSG_SENT_MASK BIT(2) #define SECOCEC_STATUS_TX_ERROR_MASK BIT(3) #define SECOCEC_STATUS_TX_NACK_ERROR BIT(4) #define SECOCEC_STATUS_RX_OVERFLOW_MASK BIT(5) #endif /* __SECO_CEC_H__ */