/* 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 BIT(15) #define TEGRA_CEC_HWCTRL_RX_NAK_MODE BIT(16) #define TEGRA_CEC_HWCTRL_TX_NAK_MODE BIT(24) #define TEGRA_CEC_HWCTRL_FAST_SIM_MODE BIT(30) #define TEGRA_CEC_HWCTRL_TX_RX_MODE BIT(31) #define TEGRA_CEC_INPUT_FILTER_MODE BIT(31) #define TEGRA_CEC_INPUT_FILTER_FIFO_LENGTH_SHIFT 0 #define TEGRA_CEC_TX_REG_DATA_SHIFT 0 #define TEGRA_CEC_TX_REG_EOM BIT(8) #define TEGRA_CEC_TX_REG_BCAST BIT(12) #define TEGRA_CEC_TX_REG_START_BIT BIT(16) #define TEGRA_CEC_TX_REG_RETRY BIT(17) #define TEGRA_CEC_RX_REGISTER_SHIFT 0 #define TEGRA_CEC_RX_REGISTER_EOM BIT(8) #define TEGRA_CEC_RX_REGISTER_ACK BIT(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 BIT(0) #define TEGRA_CEC_INT_STAT_TX_REGISTER_UNDERRUN BIT(1) #define TEGRA_CEC_INT_STAT_TX_FRAME_OR_BLOCK_NAKD BIT(2) #define TEGRA_CEC_INT_STAT_TX_ARBITRATION_FAILED BIT(3) #define TEGRA_CEC_INT_STAT_TX_BUS_ANOMALY_DETECTED BIT(4) #define TEGRA_CEC_INT_STAT_TX_FRAME_TRANSMITTED BIT(5) #define TEGRA_CEC_INT_STAT_RX_REGISTER_FULL BIT(8) #define TEGRA_CEC_INT_STAT_RX_REGISTER_OVERRUN BIT(9) #define TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED BIT(10) #define TEGRA_CEC_INT_STAT_RX_BUS_ANOMALY_DETECTED BIT(11) #define TEGRA_CEC_INT_STAT_RX_BUS_ERROR_DETECTED BIT(12) #define TEGRA_CEC_INT_STAT_FILTERED_RX_DATA_PIN_TRANSITION_H2L BIT(13) #define TEGRA_CEC_INT_STAT_FILTERED_RX_DATA_PIN_TRANSITION_L2H BIT(14) #define TEGRA_CEC_INT_MASK_TX_REGISTER_EMPTY BIT(0) #define TEGRA_CEC_INT_MASK_TX_REGISTER_UNDERRUN BIT(1) #define TEGRA_CEC_INT_MASK_TX_FRAME_OR_BLOCK_NAKD BIT(2) #define TEGRA_CEC_INT_MASK_TX_ARBITRATION_FAILED BIT(3) #define TEGRA_CEC_INT_MASK_TX_BUS_ANOMALY_DETECTED BIT(4) #define TEGRA_CEC_INT_MASK_TX_FRAME_TRANSMITTED BIT(5) #define TEGRA_CEC_INT_MASK_RX_REGISTER_FULL BIT(8) #define TEGRA_CEC_INT_MASK_RX_REGISTER_OVERRUN BIT(9) #define TEGRA_CEC_INT_MASK_RX_START_BIT_DETECTED BIT(10) #define TEGRA_CEC_INT_MASK_RX_BUS_ANOMALY_DETECTED BIT(11) #define TEGRA_CEC_INT_MASK_RX_BUS_ERROR_DETECTED BIT(12) #define TEGRA_CEC_INT_MASK_FILTERED_RX_DATA_PIN_TRANSITION_H2L BIT(13) #define TEGRA_CEC_INT_MASK_FILTERED_RX_DATA_PIN_TRANSITION_L2H BIT(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 BIT(25) #define TEGRA_CEC_HW_DEBUG_TX_TXDATABIT_SAMPLE_TIMER BIT(26) #endif /* TEGRA_CEC_H */
