diff options
Diffstat (limited to 'drivers/media/platform/tegra-cec/tegra_cec.h')
| -rw-r--r-- | drivers/media/platform/tegra-cec/tegra_cec.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/media/platform/tegra-cec/tegra_cec.h b/drivers/media/platform/tegra-cec/tegra_cec.h new file mode 100644 index 000000000000..e301513daa87 --- /dev/null +++ b/drivers/media/platform/tegra-cec/tegra_cec.h @@ -0,0 +1,127 @@ +/* + * 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. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#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 */ |