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-rw-r--r--src/soc/rockchip/common/include/soc/edp.h657
1 files changed, 657 insertions, 0 deletions
diff --git a/src/soc/rockchip/common/include/soc/edp.h b/src/soc/rockchip/common/include/soc/edp.h
new file mode 100644
index 0000000000..1721fc0226
--- /dev/null
+++ b/src/soc/rockchip/common/include/soc/edp.h
@@ -0,0 +1,657 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that 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.
+ */
+
+#ifndef __RK_DP_H
+#define __RK_DP_H
+
+#include <edid.h>
+#include <stdlib.h>
+
+struct rk_edp_regs {
+ u8 res0[0x10];
+ u32 dp_tx_version;
+ u8 res1[0x4];
+ u32 func_en_1;
+ u32 func_en_2;
+ u32 video_ctl_1;
+ u32 video_ctl_2;
+ u32 video_ctl_3;
+ u32 video_ctl_4;
+ u8 res2[0xc];
+ u32 video_ctl_8;
+ u8 res3[0x4];
+ u32 video_ctl_10;
+ u32 total_line_l;
+ u32 total_line_h;
+ u32 active_line_l;
+ u32 active_line_h;
+ u32 v_f_porch;
+ u32 vsync;
+ u32 v_b_porch;
+ u32 total_pixel_l;
+ u32 total_pixel_h;
+ u32 active_pixel_l;
+ u32 active_pixel_h;
+ u32 h_f_porch_l;
+ u32 h_f_porch_h;
+ u32 hsync_l;
+ u32 hysnc_h;
+ u32 h_b_porch_l;
+ u32 h_b_porch_h;
+ u32 vid_status;
+ u32 total_line_sta_l;
+ u32 total_line_sta_h;
+ u32 active_line_sta_l;
+ u32 active_line_sta_h;
+ u32 v_f_porch_sta;
+ u32 vsync_sta;
+ u32 v_b_porch_sta;
+ u32 total_pixel_sta_l;
+ u32 total_pixel_sta_h;
+ u32 active_pixel_sta_l;
+ u32 active_pixel_sta_h;
+ u32 h_f_porch_sta_l;
+ u32 h_f_porch_sta_h;
+ u32 hsync_sta_l;
+ u32 hsync_sta_h;
+ u32 h_b_porch_sta_l;
+ u32 h_b_porch__sta_h;
+ u8 res4[0x28];
+ u32 pll_reg_1;
+ u8 res5[4];
+ u32 ssc_reg;
+ u8 res6[0xc];
+ u32 tx_common;
+ u32 tx_common2;
+ u8 res7[0x4];
+ u32 dp_aux;
+ u32 dp_bias;
+ u32 dp_test;
+ u32 dp_pd;
+ u32 dp_reserv1;
+ u32 dp_reserv2;
+ u8 res8[0x224];
+ u32 lane_map;
+ u8 res9[0x14];
+ u32 analog_ctl_2;
+ u8 res10[0x48];
+ u32 int_state;
+ u32 common_int_sta_1;
+ u32 common_int_sta_2;
+ u32 common_int_sta_3;
+ u32 common_int_sta_4;
+ u32 spdif_biphase_int_sta;
+ u8 res11[0x4];
+ u32 dp_int_sta;
+ u32 common_int_mask_1;
+ u32 common_int_mask_2;
+ u32 common_int_mask_3;
+ u32 common_int_mask_4;
+ u8 res12[0x08];
+ u32 int_sta_mask;
+ u32 int_ctl;
+ u8 res13[0x200];
+ u32 sys_ctl_1;
+ u32 sys_ctl_2;
+ u32 sys_ctl_3;
+ u32 sys_ctl_4;
+ u32 dp_vid_ctl;
+ u8 res14[0x4];
+ u32 dp_aud_ctl;
+ u8 res15[0x24];
+ u32 pkt_send_ctl;
+ u8 res16[0x4];
+ u32 dp_hdcp_ctl;
+ u8 res17[0x34];
+ u32 link_bw_set;
+ u32 lane_count_set;
+ u32 dp_training_ptn_set;
+ u32 ln_link_trn_ctl[4];
+ u8 res18[0x4];
+ u32 dp_hw_link_training;
+ u8 res19[0x1c];
+ u32 dp_debug_ctl;
+ u32 hpd_deglitch_l;
+ u32 hpd_deglitch_h;
+ u8 res20[0x14];
+ u32 dp_link_debug_ctl;
+ u8 res21[0x1c];
+ u32 m_vid_0;
+ u32 m_vid_1;
+ u32 m_vid_2;
+ u32 n_vid_0;
+ u32 n_vid_1;
+ u32 n_vid_2;
+ u32 m_vid_mon;
+ u8 res22[0x14];
+ u32 dp_video_fifo_thrd;
+ u8 res23[0x8];
+ u32 dp_audio_margin;
+ u8 res24[0x20];
+ u32 dp_m_cal_ctl;
+ u32 m_vid_gen_filter_th;
+ u8 res25[0x10];
+ u32 m_aud_gen_filter_th;
+ u8 res26[0x4];
+ u32 aux_ch_sta;
+ u32 aux_err_num;
+ u32 aux_ch_defer_dtl;
+ u32 aux_rx_comm;
+ u32 buf_data_ctl;
+ u32 aux_ch_ctl_1;
+ u32 aux_addr_7_0;
+ u32 aux_addr_15_8;
+ u32 aux_addr_19_16;
+ u32 aux_ch_ctl_2;
+ u8 res27[0x18];
+ u32 buf_data[16];
+ u32 soc_general_ctl;
+ u8 res29[0x1e0];
+ u32 pll_reg_2;
+ u32 pll_reg_3;
+ u32 pll_reg_4;
+ u8 res30[0x10];
+ u32 pll_reg_5;
+};
+check_member(rk_edp_regs, pll_reg_5, 0xa00);
+
+/* func_en_1 */
+#define VID_CAP_FUNC_EN_N (0x1 << 6)
+#define VID_FIFO_FUNC_EN_N (0x1 << 5)
+#define AUD_FIFO_FUNC_EN_N (0x1 << 4)
+#define AUD_FUNC_EN_N (0x1 << 3)
+#define HDCP_FUNC_EN_N (0x1 << 2)
+#define SW_FUNC_EN_N (0x1 << 0)
+
+/* func_en_2 */
+#define SSC_FUNC_EN_N (0x1 << 7)
+#define AUX_FUNC_EN_N (0x1 << 2)
+#define SERDES_FIFO_FUNC_EN_N (0x1 << 1)
+#define LS_CLK_DOMAIN_FUNC_EN_N (0x1 << 0)
+
+/* video_ctl_1 */
+#define VIDEO_EN (0x1 << 7)
+#define VIDEO_MUTE (0x1 << 6)
+
+/* video_ctl_2 */
+#define IN_D_RANGE_MASK (0x1 << 7)
+#define IN_D_RANGE_SHIFT (7)
+#define IN_D_RANGE_CEA (0x1 << 7)
+#define IN_D_RANGE_VESA (0x0 << 7)
+#define IN_BPC_MASK (0x7 << 4)
+#define IN_BPC_SHIFT (4)
+#define IN_BPC_12_BITS (0x3 << 4)
+#define IN_BPC_10_BITS (0x2 << 4)
+#define IN_BPC_8_BITS (0x1 << 4)
+#define IN_BPC_6_BITS (0x0 << 4)
+#define IN_COLOR_F_MASK (0x3 << 0)
+#define IN_COLOR_F_SHIFT (0)
+#define IN_COLOR_F_YCBCR444 (0x2 << 0)
+#define IN_COLOR_F_YCBCR422 (0x1 << 0)
+#define IN_COLOR_F_RGB (0x0 << 0)
+
+/* video_ctl_3 */
+#define IN_YC_COEFFI_MASK (0x1 << 7)
+#define IN_YC_COEFFI_SHIFT (7)
+#define IN_YC_COEFFI_ITU709 (0x1 << 7)
+#define IN_YC_COEFFI_ITU601 (0x0 << 7)
+#define VID_CHK_UPDATE_TYPE_MASK (0x1 << 4)
+#define VID_CHK_UPDATE_TYPE_SHIFT (4)
+#define VID_CHK_UPDATE_TYPE_1 (0x1 << 4)
+#define VID_CHK_UPDATE_TYPE_0 (0x0 << 4)
+
+/* video_ctl_4 */
+#define BIST_EN (0x1 << 3)
+#define BIST_WH_64 (0x1 << 2)
+#define BIST_WH_32 (0x0 << 2)
+#define BIST_TYPE_COLR_BAR (0x0 << 0)
+#define BIST_TYPE_GRAY_BAR (0x1 << 0)
+#define BIST_TYPE_MOBILE_BAR (0x2 << 0)
+
+/* video_ctl_8 */
+#define VID_HRES_TH(x) (((x) & 0xf) << 4)
+#define VID_VRES_TH(x) (((x) & 0xf) << 0)
+
+/* video_ctl_10 */
+#define F_SEL (0x1 << 4)
+#define INTERACE_SCAN_CFG (0x1 << 2)
+#define INTERACD_SCAN_CFG_OFFSET 2
+#define VSYNC_POLARITY_CFG (0x1 << 1)
+#define VSYNC_POLARITY_CFG_OFFSET 1
+#define HSYNC_POLARITY_CFG (0x1 << 0)
+#define HSYNC_POLARITY_CFG_OFFSET 0
+
+/* dp_pd */
+#define PD_INC_BG (0x1 << 7)
+#define PD_EXP_BG (0x1 << 6)
+#define PD_AUX (0x1 << 5)
+#define PD_PLL (0x1 << 4)
+#define PD_CH3 (0x1 << 3)
+#define PD_CH2 (0x1 << 2)
+#define PD_CH1 (0x1 << 1)
+#define PD_CH0 (0x1 << 0)
+
+/* line_map */
+#define LANE3_MAP_LOGIC_LANE_0 (0x0 << 6)
+#define LANE3_MAP_LOGIC_LANE_1 (0x1 << 6)
+#define LANE3_MAP_LOGIC_LANE_2 (0x2 << 6)
+#define LANE3_MAP_LOGIC_LANE_3 (0x3 << 6)
+#define LANE2_MAP_LOGIC_LANE_0 (0x0 << 4)
+#define LANE2_MAP_LOGIC_LANE_1 (0x1 << 4)
+#define LANE2_MAP_LOGIC_LANE_2 (0x2 << 4)
+#define LANE2_MAP_LOGIC_LANE_3 (0x3 << 4)
+#define LANE1_MAP_LOGIC_LANE_0 (0x0 << 2)
+#define LANE1_MAP_LOGIC_LANE_1 (0x1 << 2)
+#define LANE1_MAP_LOGIC_LANE_2 (0x2 << 2)
+#define LANE1_MAP_LOGIC_LANE_3 (0x3 << 2)
+#define LANE0_MAP_LOGIC_LANE_0 (0x0 << 0)
+#define LANE0_MAP_LOGIC_LANE_1 (0x1 << 0)
+#define LANE0_MAP_LOGIC_LANE_2 (0x2 << 0)
+#define LANE0_MAP_LOGIC_LANE_3 (0x3 << 0)
+
+/* analog_ctl_2 */
+#define SEL_24M (0x1 << 3)
+
+/* common_int_sta_1 */
+#define VSYNC_DET (0x1 << 7)
+#define PLL_LOCK_CHG (0x1 << 6)
+#define SPDIF_ERR (0x1 << 5)
+#define SPDIF_UNSTBL (0x1 << 4)
+#define VID_FORMAT_CHG (0x1 << 3)
+#define AUD_CLK_CHG (0x1 << 2)
+#define VID_CLK_CHG (0x1 << 1)
+#define SW_INT (0x1 << 0)
+
+/* common_int_sta_2 */
+#define ENC_EN_CHG (0x1 << 6)
+#define HW_BKSV_RDY (0x1 << 3)
+#define HW_SHA_DONE (0x1 << 2)
+#define HW_AUTH_STATE_CHG (0x1 << 1)
+#define HW_AUTH_DONE (0x1 << 0)
+
+/* common_int_sta_3 */
+#define AFIFO_UNDER (0x1 << 7)
+#define AFIFO_OVER (0x1 << 6)
+#define R0_CHK_FLAG (0x1 << 5)
+
+/* common_int_sta_4 */
+#define PSR_ACTIVE (0x1 << 7)
+#define PSR_INACTIVE (0x1 << 6)
+#define SPDIF_BI_PHASE_ERR (0x1 << 5)
+#define HOTPLUG_CHG (0x1 << 2)
+#define HPD_LOST (0x1 << 1)
+#define PLUG (0x1 << 0)
+
+/* dp_int_sta */
+#define INT_HPD (0x1 << 6)
+#define HW_LT_DONE (0x1 << 5)
+#define SINK_LOST (0x1 << 3)
+#define LINK_LOST (0x1 << 2)
+#define RPLY_RECEIV (0x1 << 1)
+#define AUX_ERR (0x1 << 0)
+
+/* int_ctl */
+#define SOFT_INT_CTRL (0x1 << 2)
+#define INT_POL (0x1 << 0)
+
+/* sys_ctl_1 */
+#define DET_STA (0x1 << 2)
+#define FORCE_DET (0x1 << 1)
+#define DET_CTRL (0x1 << 0)
+
+/* sys_ctl_2 */
+#define CHA_CRI(x) (((x) & 0xf) << 4)
+#define CHA_STA (0x1 << 2)
+#define FORCE_CHA (0x1 << 1)
+#define CHA_CTRL (0x1 << 0)
+
+/* sys_ctl_3 */
+#define HPD_STATUS (0x1 << 6)
+#define F_HPD (0x1 << 5)
+#define HPD_CTRL (0x1 << 4)
+#define HDCP_RDY (0x1 << 3)
+#define STRM_VALID (0x1 << 2)
+#define F_VALID (0x1 << 1)
+#define VALID_CTRL (0x1 << 0)
+
+/* sys_ctl_4 */
+#define FIX_M_AUD (0x1 << 4)
+#define ENHANCED (0x1 << 3)
+#define FIX_M_VID (0x1 << 2)
+#define M_VID_UPDATE_CTRL (0x3 << 0)
+
+/* pll_reg_2 */
+#define LDO_OUTPUT_V_SEL_145 (2 << 6)
+#define KVCO_DEFALUT (1 << 4)
+#define CHG_PUMP_CUR_SEL_5US (1 << 2)
+#define V2L_CUR_SEL_1MA (1 << 0)
+
+/* pll_reg_3 */
+#define LOCK_DET_CNT_SEL_256 (2 << 5)
+#define LOOP_FILTER_RESET (0 << 4)
+#define PALL_SSC_RESET (0 << 3)
+#define LOCK_DET_BYPASS (0 << 2)
+#define PLL_LOCK_DET_MODE (0 << 1)
+#define PLL_LOCK_DET_FORCE (0 << 0)
+
+/* pll_reg_5 */
+#define REGULATOR_V_SEL_950MV (2 << 4)
+#define STANDBY_CUR_SEL (0 << 3)
+#define CHG_PUMP_INOUT_CTRL_1200MV (1 << 1)
+#define CHG_PUMP_INPUT_CTRL_OP (0 << 0)
+
+/* ssc_reg */
+#define SSC_OFFSET (0 << 6)
+#define SSC_MODE (1 << 4)
+#define SSC_DEPTH (9 << 0)
+
+/* tx_common */
+#define TX_SWING_PRE_EMP_MODE (1 << 7)
+#define PRE_DRIVER_PW_CTRL1 (0 << 5)
+#define LP_MODE_CLK_REGULATOR (0 << 4)
+#define RESISTOR_MSB_CTRL (0 << 3)
+#define RESISTOR_CTRL (7 << 0)
+
+/* dp_aux */
+#define DP_AUX_COMMON_MODE (0 << 4)
+#define DP_AUX_EN (0 << 3)
+#define AUX_TERM_50OHM (3 << 0)
+
+/* dp_bias */
+#define DP_BG_OUT_SEL (4 << 4)
+#define DP_DB_CUR_CTRL (0 << 3)
+#define DP_BG_SEL (1 << 2)
+#define DP_RESISTOR_TUNE_BG (2 << 0)
+
+/* dp_reserv2 */
+#define CH1_CH3_SWING_EMP_CTRL (5 << 4)
+#define CH0_CH2_SWING_EMP_CTRL (5 << 0)
+
+/* dp_training_ptn_set */
+#define SCRAMBLING_DISABLE (0x1 << 5)
+#define SCRAMBLING_ENABLE (0x0 << 5)
+#define LINK_QUAL_PATTERN_SET_MASK (0x7 << 2)
+#define LINK_QUAL_PATTERN_SET_HBR2 (0x5 << 2)
+#define LINK_QUAL_PATTERN_SET_80BIT (0x4 << 2)
+#define LINK_QUAL_PATTERN_SET_PRBS7 (0x3 << 2)
+#define LINK_QUAL_PATTERN_SET_D10_2 (0x1 << 2)
+#define LINK_QUAL_PATTERN_SET_DISABLE (0x0 << 2)
+#define SW_TRAINING_PATTERN_SET_MASK (0x3 << 0)
+#define SW_TRAINING_PATTERN_SET_PTN2 (0x2 << 0)
+#define SW_TRAINING_PATTERN_SET_PTN1 (0x1 << 0)
+#define SW_TRAINING_PATTERN_SET_DISABLE (0x0 << 0)
+
+/* dp_hw_link_training_ctl */
+#define HW_LT_ERR_CODE_MASK 0x70
+#define HW_LT_ERR_CODE_SHIFT 4
+#define HW_LT_EN (0x1 << 0)
+
+/* dp_debug_ctl */
+#define PLL_LOCK (0x1 << 4)
+#define F_PLL_LOCK (0x1 << 3)
+#define PLL_LOCK_CTRL (0x1 << 2)
+#define POLL_EN (0x1 << 1)
+#define PN_INV (0x1 << 0)
+
+/* aux_ch_sta */
+#define AUX_BUSY (0x1 << 4)
+#define AUX_STATUS_MASK (0xf << 0)
+
+/* aux_ch_defer_ctl */
+#define DEFER_CTRL_EN (0x1 << 7)
+#define DEFER_COUNT(x) (((x) & 0x7f) << 0)
+
+/* aux_rx_comm */
+#define AUX_RX_COMM_I2C_DEFER (0x2 << 2)
+#define AUX_RX_COMM_AUX_DEFER (0x2 << 0)
+
+/* buffer_data_ctl */
+#define BUF_CLR (0x1 << 7)
+#define BUF_HAVE_DATA (0x1 << 4)
+#define BUF_DATA_COUNT(x) (((x) & 0xf) << 0)
+
+/* aux_ch_ctl_1 */
+#define AUX_LENGTH(x) (((x - 1) & 0xf) << 4)
+#define AUX_TX_COMM_MASK (0xf << 0)
+#define AUX_TX_COMM_DP_TRANSACTION (0x1 << 3)
+#define AUX_TX_COMM_I2C_TRANSACTION (0x0 << 3)
+#define AUX_TX_COMM_MOT (0x1 << 2)
+#define AUX_TX_COMM_WRITE (0x0 << 0)
+#define AUX_TX_COMM_READ (0x1 << 0)
+
+/* aux_ch_ctl_2 */
+#define PD_AUX_IDLE (0x1 << 3)
+#define ADDR_ONLY (0x1 << 1)
+#define AUX_EN (0x1 << 0)
+
+/* tx_sw_reset */
+#define RST_DP_TX (0x1 << 0)
+
+/* analog_ctl_1 */
+#define TX_TERMINAL_CTRL_50_OHM (0x1 << 4)
+
+/* analog_ctl_3 */
+#define DRIVE_DVDD_BIT_1_0625V (0x4 << 5)
+#define VCO_BIT_600_MICRO (0x5 << 0)
+
+/* pll_filter_ctl_1 */
+#define PD_RING_OSC (0x1 << 6)
+#define AUX_TERMINAL_CTRL_37_5_OHM (0x0 << 4)
+#define AUX_TERMINAL_CTRL_45_OHM (0x1 << 4)
+#define AUX_TERMINAL_CTRL_50_OHM (0x2 << 4)
+#define AUX_TERMINAL_CTRL_65_OHM (0x3 << 4)
+#define TX_CUR1_2X (0x1 << 2)
+#define TX_CUR_16_MA (0x3 << 0)
+
+/* Definition for DPCD Register */
+#define DPCD_DPCD_REV (0x0000)
+#define DPCD_MAX_LINK_RATE (0x0001)
+#define DPCD_MAX_LANE_COUNT (0x0002)
+#define DP_MAX_LANE_COUNT_MASK 0x1f
+#define DP_TPS3_SUPPORTED (1 << 6)
+#define DP_ENHANCED_FRAME_CAP (1 << 7)
+
+#define DPCD_LINK_BW_SET (0x0100)
+#define DPCD_LANE_COUNT_SET (0x0101)
+
+#define DPCD_TRAINING_PATTERN_SET (0x0102)
+#define DP_TRAINING_PATTERN_DISABLE 0
+#define DP_TRAINING_PATTERN_1 1
+#define DP_TRAINING_PATTERN_2 2
+#define DP_TRAINING_PATTERN_3 3
+#define DP_TRAINING_PATTERN_MASK 0x3
+
+#define DPCD_TRAINING_LANE0_SET (0x0103)
+#define DP_TRAIN_VOLTAGE_SWING_MASK 0x3
+#define DP_TRAIN_VOLTAGE_SWING_SHIFT 0
+#define DP_TRAIN_MAX_SWING_REACHED (1 << 2)
+#define DP_TRAIN_VOLTAGE_SWING_400 (0 << 0)
+#define DP_TRAIN_VOLTAGE_SWING_600 (1 << 0)
+#define DP_TRAIN_VOLTAGE_SWING_800 (2 << 0)
+#define DP_TRAIN_VOLTAGE_SWING_1200 (3 << 0)
+
+#define DP_TRAIN_PRE_EMPHASIS_MASK (3 << 3)
+#define DP_TRAIN_PRE_EMPHASIS_0 (0 << 3)
+#define DP_TRAIN_PRE_EMPHASIS_3_5 (1 << 3)
+#define DP_TRAIN_PRE_EMPHASIS_6 (2 << 3)
+#define DP_TRAIN_PRE_EMPHASIS_9_5 (3 << 3)
+
+#define DP_TRAIN_PRE_EMPHASIS_SHIFT 3
+#define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED (1 << 5)
+
+#define DPCD_LANE0_1_STATUS (0x0202)
+#define DPCD_LANE2_3_STATUS (0x0203)
+#define DP_LANE_CR_DONE (1 << 0)
+#define DP_LANE_CHANNEL_EQ_DONE (1 << 1)
+#define DP_LANE_SYMBOL_LOCKED (1 << 2)
+#define DP_CHANNEL_EQ_BITS (DP_LANE_CR_DONE |\
+ DP_LANE_CHANNEL_EQ_DONE |\
+ DP_LANE_SYMBOL_LOCKED)
+
+#define DPCD_LANE_ALIGN_STATUS_UPDATED (0x0204)
+#define DP_INTERLANE_ALIGN_DONE (1 << 0)
+#define DP_DOWNSTREAM_PORT_STATUS_CHANGED (1 << 6)
+#define DP_LINK_STATUS_UPDATED (1 << 7)
+
+#define DPCD_ADJUST_REQUEST_LANE0_1 (0x0206)
+#define DPCD_ADJUST_REQUEST_LANE2_3 (0x0207)
+#define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK 0x03
+#define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0
+#define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK 0x0c
+#define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT 2
+#define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK 0x30
+#define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4
+#define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK 0xc0
+#define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT 6
+
+#define DPCD_TEST_REQUEST (0x0218)
+#define DPCD_TEST_RESPONSE (0x0260)
+#define DPCD_TEST_EDID_CHECKSUM (0x0261)
+#define DPCD_LINK_POWER_STATE (0x0600)
+#define DP_SET_POWER_D0 0x1
+#define DP_SET_POWER_D3 0x2
+#define DP_SET_POWER_MASK 0x3
+
+#define AUX_ADDR_7_0(x) (((x) >> 0) & 0xff)
+#define AUX_ADDR_15_8(x) (((x) >> 8) & 0xff)
+#define AUX_ADDR_19_16(x) (((x) >> 16) & 0x0f)
+
+#define STREAM_ON_TIMEOUT 100
+#define PLL_LOCK_TIMEOUT 10
+#define DP_INIT_TRIES 10
+
+#define EDID_ADDR 0x50
+#define EDID_LENGTH 0x80
+#define EDID_HEADER 0x00
+#define EDID_EXTENSION_FLAG 0x7e
+
+
+enum dpcd_request {
+ DPCD_READ,
+ DPCD_WRITE,
+};
+
+enum dp_irq_type {
+ DP_IRQ_TYPE_HP_CABLE_IN,
+ DP_IRQ_TYPE_HP_CABLE_OUT,
+ DP_IRQ_TYPE_HP_CHANGE,
+ DP_IRQ_TYPE_UNKNOWN,
+};
+
+enum color_coefficient {
+ COLOR_YCBCR601,
+ COLOR_YCBCR709
+};
+
+enum dynamic_range {
+ VESA,
+ CEA
+};
+
+enum pll_status {
+ DP_PLL_UNLOCKED,
+ DP_PLL_LOCKED
+};
+
+enum clock_recovery_m_value_type {
+ CALCULATED_M,
+ REGISTER_M
+};
+
+enum video_timing_recognition_type {
+ VIDEO_TIMING_FROM_CAPTURE,
+ VIDEO_TIMING_FROM_REGISTER
+};
+
+enum pattern_set {
+ PRBS7,
+ D10_2,
+ TRAINING_PTN1,
+ TRAINING_PTN2,
+ DP_NONE
+};
+
+enum color_space {
+ CS_RGB,
+ CS_YCBCR422,
+ CS_YCBCR444
+};
+
+enum color_depth {
+ COLOR_6,
+ COLOR_8,
+ COLOR_10,
+ COLOR_12
+};
+
+enum link_rate_type {
+ LINK_RATE_1_62GBPS = 0x06,
+ LINK_RATE_2_70GBPS = 0x0a
+};
+
+enum link_lane_count_type {
+ LANE_CNT1 = 1,
+ LANE_CNT2 = 2,
+ LANE_CNT4 = 4
+};
+
+enum link_training_state {
+ LT_START,
+ LT_CLK_RECOVERY,
+ LT_EQ_TRAINING,
+ FINISHED,
+ FAILED
+};
+
+enum voltage_swing_level {
+ VOLTAGE_LEVEL_0,
+ VOLTAGE_LEVEL_1,
+ VOLTAGE_LEVEL_2,
+ VOLTAGE_LEVEL_3,
+};
+
+enum pre_emphasis_level {
+ PRE_EMPHASIS_LEVEL_0,
+ PRE_EMPHASIS_LEVEL_1,
+ PRE_EMPHASIS_LEVEL_2,
+ PRE_EMPHASIS_LEVEL_3,
+};
+
+enum analog_power_block {
+ AUX_BLOCK,
+ CH0_BLOCK,
+ CH1_BLOCK,
+ CH2_BLOCK,
+ CH3_BLOCK,
+ ANALOG_TOTAL,
+ POWER_ALL
+};
+
+struct link_train {
+ unsigned char revision;
+ u8 link_rate;
+ u8 lane_count;
+};
+
+struct rk_edp {
+ struct rk_edp_regs *regs;
+ struct link_train link_train;
+ u8 train_set[4];
+};
+
+int rk_edp_enable(void);
+void rk_edp_init(void);
+int rk_edp_get_edid(struct edid *edid);
+#endif