/* SPDX-License-Identifier: GPL-2.0 */ /* * Cadence MHDP8546 DP bridge driver. * * Copyright (C) 2020 Cadence Design Systems, Inc. * * Author: Quentin Schulz <[email protected]> * Swapnil Jakhade <[email protected]> */ #ifndef CDNS_MHDP8546_CORE_H #define CDNS_MHDP8546_CORE_H #include <linux/bits.h> #include <linux/mutex.h> #include <linux/spinlock.h> #include <drm/display/drm_dp_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_connector.h> struct clk; struct device; struct phy; /* Register offsets */ #define CDNS_APB_CTRL … #define CDNS_CPU_STALL … #define CDNS_MAILBOX_FULL … #define CDNS_MAILBOX_EMPTY … #define CDNS_MAILBOX_TX_DATA … #define CDNS_MAILBOX_RX_DATA … #define CDNS_KEEP_ALIVE … #define CDNS_KEEP_ALIVE_MASK … #define CDNS_VER_L … #define CDNS_VER_H … #define CDNS_LIB_L_ADDR … #define CDNS_LIB_H_ADDR … #define CDNS_MB_INT_MASK … #define CDNS_MB_INT_STATUS … #define CDNS_SW_CLK_L … #define CDNS_SW_CLK_H … #define CDNS_SW_EVENT0 … #define CDNS_DPTX_HPD … #define CDNS_HDCP_TX_STATUS … #define CDNS_HDCP2_TX_IS_KM_STORED … #define CDNS_HDCP2_TX_STORE_KM … #define CDNS_HDCP_TX_IS_RCVR_ID_VALID … #define CDNS_SW_EVENT1 … #define CDNS_SW_EVENT2 … #define CDNS_SW_EVENT3 … #define CDNS_APB_INT_MASK … #define CDNS_APB_INT_MASK_MAILBOX_INT … #define CDNS_APB_INT_MASK_SW_EVENT_INT … #define CDNS_APB_INT_STATUS … #define CDNS_DPTX_CAR … #define CDNS_VIF_CLK_EN … #define CDNS_VIF_CLK_RSTN … #define CDNS_SOURCE_VIDEO_IF(s) … #define CDNS_BND_HSYNC2VSYNC(s) … #define CDNS_IP_DTCT_WIN … #define CDNS_IP_DET_INTERLACE_FORMAT … #define CDNS_IP_BYPASS_V_INTERFACE … #define CDNS_HSYNC2VSYNC_POL_CTRL(s) … #define CDNS_H2V_HSYNC_POL_ACTIVE_LOW … #define CDNS_H2V_VSYNC_POL_ACTIVE_LOW … #define CDNS_DPTX_PHY_CONFIG … #define CDNS_PHY_TRAINING_EN … #define CDNS_PHY_TRAINING_TYPE(x) … #define CDNS_PHY_SCRAMBLER_BYPASS … #define CDNS_PHY_ENCODER_BYPASS … #define CDNS_PHY_SKEW_BYPASS … #define CDNS_PHY_TRAINING_AUTO … #define CDNS_PHY_LANE0_SKEW(x) … #define CDNS_PHY_LANE1_SKEW(x) … #define CDNS_PHY_LANE2_SKEW(x) … #define CDNS_PHY_LANE3_SKEW(x) … #define CDNS_PHY_COMMON_CONFIG … #define CDNS_PHY_10BIT_EN … #define CDNS_DP_FRAMER_GLOBAL_CONFIG … #define CDNS_DP_NUM_LANES(x) … #define CDNS_DP_MST_EN … #define CDNS_DP_FRAMER_EN … #define CDNS_DP_RATE_GOVERNOR_EN … #define CDNS_DP_NO_VIDEO_MODE … #define CDNS_DP_DISABLE_PHY_RST … #define CDNS_DP_WR_FAILING_EDGE_VSYNC … #define CDNS_DP_FRAMER_TU … #define CDNS_DP_FRAMER_TU_SIZE(x) … #define CDNS_DP_FRAMER_TU_VS(x) … #define CDNS_DP_FRAMER_TU_CNT_RST_EN … #define CDNS_DP_MTPH_CONTROL … #define CDNS_DP_MTPH_ECF_EN … #define CDNS_DP_MTPH_ACT_EN … #define CDNS_DP_MTPH_LVP_EN … #define CDNS_DP_MTPH_STATUS … #define CDNS_DP_MTPH_ACT_STATUS … #define CDNS_DP_LANE_EN … #define CDNS_DP_LANE_EN_LANES(x) … #define CDNS_DP_ENHNCD … #define CDNS_DPTX_STREAM(s) … #define CDNS_DP_MSA_HORIZONTAL_0(s) … #define CDNS_DP_MSAH0_H_TOTAL(x) … #define CDNS_DP_MSAH0_HSYNC_START(x) … #define CDNS_DP_MSA_HORIZONTAL_1(s) … #define CDNS_DP_MSAH1_HSYNC_WIDTH(x) … #define CDNS_DP_MSAH1_HSYNC_POL_LOW … #define CDNS_DP_MSAH1_HDISP_WIDTH(x) … #define CDNS_DP_MSA_VERTICAL_0(s) … #define CDNS_DP_MSAV0_V_TOTAL(x) … #define CDNS_DP_MSAV0_VSYNC_START(x) … #define CDNS_DP_MSA_VERTICAL_1(s) … #define CDNS_DP_MSAV1_VSYNC_WIDTH(x) … #define CDNS_DP_MSAV1_VSYNC_POL_LOW … #define CDNS_DP_MSAV1_VDISP_WIDTH(x) … #define CDNS_DP_MSA_MISC(s) … #define CDNS_DP_STREAM_CONFIG(s) … #define CDNS_DP_STREAM_CONFIG_2(s) … #define CDNS_DP_SC2_TU_VS_DIFF(x) … #define CDNS_DP_HORIZONTAL(s) … #define CDNS_DP_H_HSYNC_WIDTH(x) … #define CDNS_DP_H_H_TOTAL(x) … #define CDNS_DP_VERTICAL_0(s) … #define CDNS_DP_V0_VHEIGHT(x) … #define CDNS_DP_V0_VSTART(x) … #define CDNS_DP_VERTICAL_1(s) … #define CDNS_DP_V1_VTOTAL(x) … #define CDNS_DP_V1_VTOTAL_EVEN … #define CDNS_DP_MST_SLOT_ALLOCATE(s) … #define CDNS_DP_S_ALLOC_START_SLOT(x) … #define CDNS_DP_S_ALLOC_END_SLOT(x) … #define CDNS_DP_RATE_GOVERNING(s) … #define CDNS_DP_RG_TARG_AV_SLOTS_Y(x) … #define CDNS_DP_RG_TARG_AV_SLOTS_X(x) … #define CDNS_DP_RG_ENABLE … #define CDNS_DP_FRAMER_PXL_REPR(s) … #define CDNS_DP_FRAMER_6_BPC … #define CDNS_DP_FRAMER_8_BPC … #define CDNS_DP_FRAMER_10_BPC … #define CDNS_DP_FRAMER_12_BPC … #define CDNS_DP_FRAMER_16_BPC … #define CDNS_DP_FRAMER_PXL_FORMAT … #define CDNS_DP_FRAMER_RGB … #define CDNS_DP_FRAMER_YCBCR444 … #define CDNS_DP_FRAMER_YCBCR422 … #define CDNS_DP_FRAMER_YCBCR420 … #define CDNS_DP_FRAMER_Y_ONLY … #define CDNS_DP_FRAMER_SP(s) … #define CDNS_DP_FRAMER_VSYNC_POL_LOW … #define CDNS_DP_FRAMER_HSYNC_POL_LOW … #define CDNS_DP_FRAMER_INTERLACE … #define CDNS_DP_LINE_THRESH(s) … #define CDNS_DP_ACTIVE_LINE_THRESH(x) … #define CDNS_DP_VB_ID(s) … #define CDNS_DP_VB_ID_INTERLACED … #define CDNS_DP_VB_ID_COMPRESSED … #define CDNS_DP_FRONT_BACK_PORCH(s) … #define CDNS_DP_BACK_PORCH(x) … #define CDNS_DP_FRONT_PORCH(x) … #define CDNS_DP_BYTE_COUNT(s) … #define CDNS_DP_BYTE_COUNT_BYTES_IN_CHUNK_SHIFT … /* mailbox */ #define MAILBOX_RETRY_US … #define MAILBOX_TIMEOUT_US … #define MB_OPCODE_ID … #define MB_MODULE_ID … #define MB_SIZE_MSB_ID … #define MB_SIZE_LSB_ID … #define MB_DATA_ID … #define MB_MODULE_ID_DP_TX … #define MB_MODULE_ID_HDCP_TX … #define MB_MODULE_ID_HDCP_RX … #define MB_MODULE_ID_HDCP_GENERAL … #define MB_MODULE_ID_GENERAL … /* firmware and opcodes */ #define FW_NAME … #define CDNS_MHDP_IMEM … #define GENERAL_MAIN_CONTROL … #define GENERAL_TEST_ECHO … #define GENERAL_BUS_SETTINGS … #define GENERAL_TEST_ACCESS … #define GENERAL_REGISTER_READ … #define DPTX_SET_POWER_MNG … #define DPTX_GET_EDID … #define DPTX_READ_DPCD … #define DPTX_WRITE_DPCD … #define DPTX_ENABLE_EVENT … #define DPTX_WRITE_REGISTER … #define DPTX_READ_REGISTER … #define DPTX_WRITE_FIELD … #define DPTX_READ_EVENT … #define DPTX_GET_LAST_AUX_STAUS … #define DPTX_HPD_STATE … #define DPTX_ADJUST_LT … #define FW_STANDBY … #define FW_ACTIVE … /* HPD */ #define DPTX_READ_EVENT_HPD_TO_HIGH … #define DPTX_READ_EVENT_HPD_TO_LOW … #define DPTX_READ_EVENT_HPD_PULSE … #define DPTX_READ_EVENT_HPD_STATE … /* general */ #define CDNS_DP_TRAINING_PATTERN_4 … #define CDNS_KEEP_ALIVE_TIMEOUT … #define CDNS_VOLT_SWING(x) … #define CDNS_FORCE_VOLT_SWING … #define CDNS_PRE_EMPHASIS(x) … #define CDNS_FORCE_PRE_EMPHASIS … #define CDNS_SUPPORT_TPS(x) … #define CDNS_FAST_LINK_TRAINING … #define CDNS_LANE_MAPPING_TYPE_C_LANE_0(x) … #define CDNS_LANE_MAPPING_TYPE_C_LANE_1(x) … #define CDNS_LANE_MAPPING_TYPE_C_LANE_2(x) … #define CDNS_LANE_MAPPING_TYPE_C_LANE_3(x) … #define CDNS_LANE_MAPPING_NORMAL … #define CDNS_LANE_MAPPING_FLIPPED … #define CDNS_DP_MAX_NUM_LANES … #define CDNS_DP_TEST_VSC_SDP … #define CDNS_DP_TEST_COLOR_FORMAT_RAW_Y_ONLY … #define CDNS_MHDP_MAX_STREAMS … #define DP_LINK_CAP_ENHANCED_FRAMING … struct cdns_mhdp_link { … }; struct cdns_mhdp_host { … }; struct cdns_mhdp_sink { … }; struct cdns_mhdp_display_fmt { … }; /* * These enums present MHDP hw initialization state * Legal state transitions are: * MHDP_HW_READY <-> MHDP_HW_STOPPED */ enum mhdp_hw_state { … }; struct cdns_mhdp_device; struct mhdp_platform_ops { … }; struct cdns_mhdp_bridge_state { … }; struct cdns_mhdp_platform_info { … }; #define to_cdns_mhdp_bridge_state(s) … struct cdns_mhdp_hdcp { … }; struct cdns_mhdp_device { … }; #define connector_to_mhdp(x) … #define bridge_to_mhdp(x) … u32 cdns_mhdp_wait_for_sw_event(struct cdns_mhdp_device *mhdp, uint32_t event); #endif
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