diff options
Diffstat (limited to 'drivers/media/platform/seco-cec/seco-cec.h')
| -rw-r--r-- | drivers/media/platform/seco-cec/seco-cec.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/drivers/media/platform/seco-cec/seco-cec.h b/drivers/media/platform/seco-cec/seco-cec.h new file mode 100644 index 000000000000..e632c4a2a044 --- /dev/null +++ b/drivers/media/platform/seco-cec/seco-cec.h @@ -0,0 +1,141 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * SECO X86 Boards CEC register defines + * + * Author: Ettore Chimenti <ek5.chimenti@gmail.com> + * 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__ */ |