| /* 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 */ |
