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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Tegra CEC register definitions
*
* The original 3.10 CEC driver using a custom API:
*
* Copyright (c) 2012-2015, NVIDIA CORPORATION. All rights reserved.
*
* Conversion to the CEC framework and to the mainline kernel:
*
* Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*/
#ifndef TEGRA_CEC_H
#define TEGRA_CEC_H
/* CEC registers */
#define TEGRA_CEC_SW_CONTROL 0x000
#define TEGRA_CEC_HW_CONTROL 0x004
#define TEGRA_CEC_INPUT_FILTER 0x008
#define TEGRA_CEC_TX_REGISTER 0x010
#define TEGRA_CEC_RX_REGISTER 0x014
#define TEGRA_CEC_RX_TIMING_0 0x018
#define TEGRA_CEC_RX_TIMING_1 0x01c
#define TEGRA_CEC_RX_TIMING_2 0x020
#define TEGRA_CEC_TX_TIMING_0 0x024
#define TEGRA_CEC_TX_TIMING_1 0x028
#define TEGRA_CEC_TX_TIMING_2 0x02c
#define TEGRA_CEC_INT_STAT 0x030
#define TEGRA_CEC_INT_MASK 0x034
#define TEGRA_CEC_HW_DEBUG_RX 0x038
#define TEGRA_CEC_HW_DEBUG_TX 0x03c
#define TEGRA_CEC_HWCTRL_RX_LADDR_MASK 0x7fff
#define TEGRA_CEC_HWCTRL_RX_LADDR(x) \
((x) & TEGRA_CEC_HWCTRL_RX_LADDR_MASK)
#define TEGRA_CEC_HWCTRL_RX_SNOOP (1 << 15)
#define TEGRA_CEC_HWCTRL_RX_NAK_MODE (1 << 16)
#define TEGRA_CEC_HWCTRL_TX_NAK_MODE (1 << 24)
#define TEGRA_CEC_HWCTRL_FAST_SIM_MODE (1 << 30)
#define TEGRA_CEC_HWCTRL_TX_RX_MODE (1 << 31)
#define TEGRA_CEC_INPUT_FILTER_MODE (1 << 31)
#define TEGRA_CEC_INPUT_FILTER_FIFO_LENGTH_SHIFT 0
#define TEGRA_CEC_TX_REG_DATA_SHIFT 0
#define TEGRA_CEC_TX_REG_EOM (1 << 8)
#define TEGRA_CEC_TX_REG_BCAST (1 << 12)
#define TEGRA_CEC_TX_REG_START_BIT (1 << 16)
#define TEGRA_CEC_TX_REG_RETRY (1 << 17)
#define TEGRA_CEC_RX_REGISTER_SHIFT 0
#define TEGRA_CEC_RX_REGISTER_EOM (1 << 8)
#define TEGRA_CEC_RX_REGISTER_ACK (1 << 9)
#define TEGRA_CEC_RX_TIM0_START_BIT_MAX_LO_TIME_SHIFT 0
#define TEGRA_CEC_RX_TIM0_START_BIT_MIN_LO_TIME_SHIFT 8
#define TEGRA_CEC_RX_TIM0_START_BIT_MAX_DURATION_SHIFT 16
#define TEGRA_CEC_RX_TIM0_START_BIT_MIN_DURATION_SHIFT 24
#define TEGRA_CEC_RX_TIM1_DATA_BIT_MAX_LO_TIME_SHIFT 0
#define TEGRA_CEC_RX_TIM1_DATA_BIT_SAMPLE_TIME_SHIFT 8
#define TEGRA_CEC_RX_TIM1_DATA_BIT_MAX_DURATION_SHIFT 16
#define TEGRA_CEC_RX_TIM1_DATA_BIT_MIN_DURATION_SHIFT 24
#define TEGRA_CEC_RX_TIM2_END_OF_BLOCK_TIME_SHIFT 0
#define TEGRA_CEC_TX_TIM0_START_BIT_LO_TIME_SHIFT 0
#define TEGRA_CEC_TX_TIM0_START_BIT_DURATION_SHIFT 8
#define TEGRA_CEC_TX_TIM0_BUS_XITION_TIME_SHIFT 16
#define TEGRA_CEC_TX_TIM0_BUS_ERROR_LO_TIME_SHIFT 24
#define TEGRA_CEC_TX_TIM1_LO_DATA_BIT_LO_TIME_SHIFT 0
#define TEGRA_CEC_TX_TIM1_HI_DATA_BIT_LO_TIME_SHIFT 8
#define TEGRA_CEC_TX_TIM1_DATA_BIT_DURATION_SHIFT 16
#define TEGRA_CEC_TX_TIM1_ACK_NAK_BIT_SAMPLE_TIME_SHIFT 24
#define TEGRA_CEC_TX_TIM2_BUS_IDLE_TIME_ADDITIONAL_FRAME_SHIFT 0
#define TEGRA_CEC_TX_TIM2_BUS_IDLE_TIME_NEW_FRAME_SHIFT 4
#define TEGRA_CEC_TX_TIM2_BUS_IDLE_TIME_RETRY_FRAME_SHIFT 8
#define TEGRA_CEC_INT_STAT_TX_REGISTER_EMPTY (1 << 0)
#define TEGRA_CEC_INT_STAT_TX_REGISTER_UNDERRUN (1 << 1)
#define TEGRA_CEC_INT_STAT_TX_FRAME_OR_BLOCK_NAKD (1 << 2)
#define TEGRA_CEC_INT_STAT_TX_ARBITRATION_FAILED (1 << 3)
#define TEGRA_CEC_INT_STAT_TX_BUS_ANOMALY_DETECTED (1 << 4)
#define TEGRA_CEC_INT_STAT_TX_FRAME_TRANSMITTED (1 << 5)
#define TEGRA_CEC_INT_STAT_RX_REGISTER_FULL (1 << 8)
#define TEGRA_CEC_INT_STAT_RX_REGISTER_OVERRUN (1 << 9)
#define TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED (1 << 10)
#define TEGRA_CEC_INT_STAT_RX_BUS_ANOMALY_DETECTED (1 << 11)
#define TEGRA_CEC_INT_STAT_RX_BUS_ERROR_DETECTED (1 << 12)
#define TEGRA_CEC_INT_STAT_FILTERED_RX_DATA_PIN_TRANSITION_H2L (1 << 13)
#define TEGRA_CEC_INT_STAT_FILTERED_RX_DATA_PIN_TRANSITION_L2H (1 << 14)
#define TEGRA_CEC_INT_MASK_TX_REGISTER_EMPTY (1 << 0)
#define TEGRA_CEC_INT_MASK_TX_REGISTER_UNDERRUN (1 << 1)
#define TEGRA_CEC_INT_MASK_TX_FRAME_OR_BLOCK_NAKD (1 << 2)
#define TEGRA_CEC_INT_MASK_TX_ARBITRATION_FAILED (1 << 3)
#define TEGRA_CEC_INT_MASK_TX_BUS_ANOMALY_DETECTED (1 << 4)
#define TEGRA_CEC_INT_MASK_TX_FRAME_TRANSMITTED (1 << 5)
#define TEGRA_CEC_INT_MASK_RX_REGISTER_FULL (1 << 8)
#define TEGRA_CEC_INT_MASK_RX_REGISTER_OVERRUN (1 << 9)
#define TEGRA_CEC_INT_MASK_RX_START_BIT_DETECTED (1 << 10)
#define TEGRA_CEC_INT_MASK_RX_BUS_ANOMALY_DETECTED (1 << 11)
#define TEGRA_CEC_INT_MASK_RX_BUS_ERROR_DETECTED (1 << 12)
#define TEGRA_CEC_INT_MASK_FILTERED_RX_DATA_PIN_TRANSITION_H2L (1 << 13)
#define TEGRA_CEC_INT_MASK_FILTERED_RX_DATA_PIN_TRANSITION_L2H (1 << 14)
#define TEGRA_CEC_HW_DEBUG_TX_DURATION_COUNT_SHIFT 0
#define TEGRA_CEC_HW_DEBUG_TX_TXBIT_COUNT_SHIFT 17
#define TEGRA_CEC_HW_DEBUG_TX_STATE_SHIFT 21
#define TEGRA_CEC_HW_DEBUG_TX_FORCELOOUT (1 << 25)
#define TEGRA_CEC_HW_DEBUG_TX_TXDATABIT_SAMPLE_TIMER (1 << 26)
#endif /* TEGRA_CEC_H */
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