diff options
Diffstat (limited to 'src/soc/nvidia/tegra/displayport.h')
| -rw-r--r-- | src/soc/nvidia/tegra/displayport.h | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra/displayport.h b/src/soc/nvidia/tegra/displayport.h new file mode 100644 index 0000000000..8a57170bf9 --- /dev/null +++ b/src/soc/nvidia/tegra/displayport.h @@ -0,0 +1,316 @@ +/* + * drivers/video/tegra/dc/dpaux_regs.h + * + * Copyright (c) 2011, NVIDIA Corporation. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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 __SOC_NVIDIA_TEGRA_DISPLAYPORT_H__ +#define __SOC_NVIDIA_TEGRA_DISPLAYPORT_H__ + +/* things we can't get rid of just yet. */ +#define DPAUX_INTR_EN_AUX (0x1) +#define DPAUX_INTR_AUX (0x5) +#define DPAUX_DP_AUXDATA_WRITE_W(i) (0x9 + 4*(i)) +#define DPAUX_DP_AUXDATA_READ_W(i) (0x19 + 4*(i)) +#define DPAUX_DP_AUXADDR (0x29) +#define DPAUX_DP_AUXCTL (0x2d) +#define DPAUX_DP_AUXCTL_CMDLEN_SHIFT (0) +#define DPAUX_DP_AUXCTL_CMDLEN_FIELD (0xff) +#define DPAUX_DP_AUXCTL_CMD_SHIFT (12) +#define DPAUX_DP_AUXCTL_CMD_MASK (0xf << 12) +#define DPAUX_DP_AUXCTL_CMD_I2CWR (0 << 12) +#define DPAUX_DP_AUXCTL_CMD_I2CRD (1 << 12) +#define DPAUX_DP_AUXCTL_CMD_I2CREQWSTAT (2 << 12) +#define DPAUX_DP_AUXCTL_CMD_MOTWR (4 << 12) +#define DPAUX_DP_AUXCTL_CMD_MOTRD (5 << 12) +#define DPAUX_DP_AUXCTL_CMD_MOTREQWSTAT (6 << 12) +#define DPAUX_DP_AUXCTL_CMD_AUXWR (8 << 12) +#define DPAUX_DP_AUXCTL_CMD_AUXRD (9 << 12) +#define DPAUX_DP_AUXCTL_TRANSACTREQ_SHIFT (16) +#define DPAUX_DP_AUXCTL_TRANSACTREQ_MASK (0x1 << 16) +#define DPAUX_DP_AUXCTL_TRANSACTREQ_DONE (0 << 16) +#define DPAUX_DP_AUXCTL_TRANSACTREQ_PENDING (1 << 16) +#define DPAUX_DP_AUXCTL_RST_SHIFT (31) +#define DPAUX_DP_AUXCTL_RST_DEASSERT (0 << 31) +#define DPAUX_DP_AUXCTL_RST_ASSERT (1 << 31) +#define DPAUX_DP_AUXSTAT (0x31) +#define DPAUX_DP_AUXSTAT_HPD_STATUS_SHIFT (28) +#define DPAUX_DP_AUXSTAT_HPD_STATUS_UNPLUG (0 << 28) +#define DPAUX_DP_AUXSTAT_HPD_STATUS_PLUGGED (1 << 28) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_SHIFT (20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_MASK (0xf << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_IDLE (0 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_SYNC (1 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_START1 (2 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_COMMAND (3 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_ADDRESS (4 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_LENGTH (5 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_WRITE1 (6 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_READ1 (7 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_GET_M (8 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_STOP1 (9 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_STOP2 (10 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_REPLY (11 << 20) +#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_CLEANUP (12 << 20) +#define DPAUX_DP_AUXSTAT_REPLYTYPE_SHIFT (16) +#define DPAUX_DP_AUXSTAT_REPLYTYPE_MASK (0xf << 16) +#define DPAUX_DP_AUXSTAT_REPLYTYPE_ACK (0 << 16) +#define DPAUX_DP_AUXSTAT_REPLYTYPE_NACK (1 << 16) +#define DPAUX_DP_AUXSTAT_REPLYTYPE_DEFER (2 << 16) +#define DPAUX_DP_AUXSTAT_REPLYTYPE_I2CNACK (4 << 16) +#define DPAUX_DP_AUXSTAT_REPLYTYPE_I2CDEFER (8 << 16) +#define DPAUX_DP_AUXSTAT_NO_STOP_ERROR_SHIFT (11) +#define DPAUX_DP_AUXSTAT_NO_STOP_ERROR_NOT_PENDING (0 << 11) +#define DPAUX_DP_AUXSTAT_NO_STOP_ERROR_PENDING (1 << 11) +#define DPAUX_DP_AUXSTAT_SINKSTAT_ERROR_SHIFT (10) +#define DPAUX_DP_AUXSTAT_SINKSTAT_ERROR_NOT_PENDING (0 << 10) +#define DPAUX_DP_AUXSTAT_SINKSTAT_ERROR_PENDING (1 << 10) +#define DPAUX_DP_AUXSTAT_RX_ERROR_SHIFT (9) +#define DPAUX_DP_AUXSTAT_RX_ERROR_NOT_PENDING (0 << 9) +#define DPAUX_DP_AUXSTAT_RX_ERROR_PENDING (1 << 9) +#define DPAUX_DP_AUXSTAT_TIMEOUT_ERROR_SHIFT (8) +#define DPAUX_DP_AUXSTAT_TIMEOUT_ERROR_NOT_PENDING (0 << 8) +#define DPAUX_DP_AUXSTAT_TIMEOUT_ERROR_PENDING (1 << 8) +#define DPAUX_DP_AUXSTAT_REPLY_M_SHIFT (0) +#define DPAUX_DP_AUXSTAT_REPLY_M_MASK (0xff << 0) +#define DPAUX_HPD_CONFIG (0x3d) +#define DPAUX_HPD_IRQ_CONFIG (0x41) +#define DPAUX_DP_AUX_CONFIG (0x45) +#define DPAUX_HYBRID_PADCTL (0x49) +#define DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV_SHIFT (15) +#define DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV_DISABLE (0 << 15) +#define DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV_ENABLE (1 << 15) +#define DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV_SHIFT (14) +#define DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV_DISABLE (0 << 14) +#define DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV_ENABLE (1 << 14) +#define DPAUX_HYBRID_PADCTL_AUX_CMH_SHIFT (12) +#define DPAUX_HYBRID_PADCTL_AUX_CMH_DEFAULT_MASK (0x3 << 12) +#define DPAUX_HYBRID_PADCTL_AUX_CMH_V0_60 (0 << 12) +#define DPAUX_HYBRID_PADCTL_AUX_CMH_V0_64 (1 << 12) +#define DPAUX_HYBRID_PADCTL_AUX_CMH_V0_70 (2 << 12) +#define DPAUX_HYBRID_PADCTL_AUX_CMH_V0_56 (3 << 12) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_SHIFT (8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_DEFAULT_MASK (0x7 << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_78 (0 << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_60 (1 << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_54 (2 << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_45 (3 << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_50 (4 << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_42 (5 << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_39 (6 << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_34 (7 << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVI_SHIFT (2) +#define DPAUX_HYBRID_PADCTL_AUX_DRVI_DEFAULT_MASK (0x3f << 2) +#define DPAUX_HYBRID_PADCTL_AUX_INPUT_RCV_SHIFT (1) +#define DPAUX_HYBRID_PADCTL_AUX_INPUT_RCV_DISABLE (0 << 1) +#define DPAUX_HYBRID_PADCTL_AUX_INPUT_RCV_ENABLE (1 << 1) +#define DPAUX_HYBRID_PADCTL_MODE_SHIFT (0) +#define DPAUX_HYBRID_PADCTL_MODE_AUX (0) +#define DPAUX_HYBRID_PADCTL_MODE_I2C (1) +#define DPAUX_HYBRID_SPARE (0x4d) +#define DPAUX_HYBRID_SPARE_PAD_PWR_POWERUP (0) +#define DPAUX_HYBRID_SPARE_PAD_PWR_POWERDOWN (1) + +/* TODO: figure out which of the NV_ constants are the same as all the other + * display port standard constants. + */ + +#define DP_AUX_DEFER_MAX_TRIES 7 +#define DP_AUX_TIMEOUT_MAX_TRIES 2 +#define DP_POWER_ON_MAX_TRIES 3 +#define DP_CLOCK_RECOVERY_MAX_TRIES 7 +#define DP_CLOCK_RECOVERY_TOT_TRIES 15 + +#define DP_AUX_MAX_BYTES 16 + +#define DP_LCDVCC_TO_HPD_DELAY_MS 200 +#define DP_AUX_TIMEOUT_MS 40 +#define DP_DPCP_RETRY_SLEEP_NS 400 + +enum { + driveCurrent_Level0 = 0, + driveCurrent_Level1 = 1, + driveCurrent_Level2 = 2, + driveCurrent_Level3 = 3, +}; + +enum { + preEmphasis_Disabled = 0, + preEmphasis_Level1 = 1, + preEmphasis_Level2 = 2, + preEmphasis_Level3 = 3, +}; + +enum { + postCursor2_Level0 = 0, + postCursor2_Level1 = 1, + postCursor2_Level2 = 2, + postCursor2_Level3 = 3, + postCursor2_Supported +}; + + +/* the +10ms is the time for power rail going up from 10-90% or + 90%-10% on powerdown */ +/* Time from power-rail is turned on and aux/12c-over-aux is available */ +#define EDP_PWR_ON_TO_AUX_TIME_MS (200+10) +/* Time from power-rail is turned on and MainLink is available for LT */ +#define EDP_PWR_ON_TO_ML_TIME_MS (200+10) +/* Time from turning off power to turn-it on again (does not include post + poweron time) */ +#define EDP_PWR_OFF_TO_ON_TIME_MS (500+10) + +struct tegra_dc_dp_data { + struct tegra_dc *dc; + struct tegra_dc_sor_data *sor; + void *aux_base; + struct tegra_dc_mode *mode; + struct tegra_dc_dp_link_config link_cfg; +}; + + +/* DPCD definitions */ +/* you know, all the vendors pick their own set of defines. + * All of them. + * FIXME so we can use the ones in include/device/drm_dp_helper.h + */ +#define NV_DPCD_REV (0x00000000) +#define NV_DPCD_REV_MAJOR_SHIFT (4) +#define NV_DPCD_REV_MAJOR_MASK (0xf << 4) +#define NV_DPCD_REV_MINOR_SHIFT (0) +#define NV_DPCD_REV_MINOR_MASK (0xf) +#define NV_DPCD_MAX_LINK_BANDWIDTH (0x00000001) +#define NV_DPCD_MAX_LINK_BANDWIDTH_VAL_1_62_GPBS (0x00000006) +#define NV_DPCD_MAX_LINK_BANDWIDTH_VAL_2_70_GPBS (0x0000000a) +#define NV_DPCD_MAX_LINK_BANDWIDTH_VAL_5_40_GPBS (0x00000014) +#define NV_DPCD_MAX_LANE_COUNT (0x00000002) +#define NV_DPCD_MAX_LANE_COUNT_MASK (0x1f) +#define NV_DPCD_MAX_LANE_COUNT_LANE_1 (0x00000001) +#define NV_DPCD_MAX_LANE_COUNT_LANE_2 (0x00000002) +#define NV_DPCD_MAX_LANE_COUNT_LANE_4 (0x00000004) +#define NV_DPCD_MAX_LANE_COUNT_ENHANCED_FRAMING_NO (0x00000000 << 7) +#define NV_DPCD_MAX_LANE_COUNT_ENHANCED_FRAMING_YES (0x00000001 << 7) +#define NV_DPCD_MAX_DOWNSPREAD (0x00000003) +#define NV_DPCD_MAX_DOWNSPREAD_VAL_NONE (0x00000000) +#define NV_DPCD_MAX_DOWNSPREAD_VAL_0_5_PCT (0x00000001) +#define NV_DPCD_MAX_DOWNSPREAD_NO_AUX_HANDSHAKE_LT_F (0x00000000 << 6) +#define NV_DPCD_MAX_DOWNSPREAD_NO_AUX_HANDSHAKE_LT_T (0x00000001 << 6) +#define NV_DPCD_EDP_CONFIG_CAP (0x0000000D) +#define NV_DPCD_EDP_CONFIG_CAP_ASC_RESET_NO (0x00000000) +#define NV_DPCD_EDP_CONFIG_CAP_ASC_RESET_YES (0x00000001) +#define NV_DPCD_EDP_CONFIG_CAP_FRAMING_CHANGE_NO (0x00000000 << 1) +#define NV_DPCD_EDP_CONFIG_CAP_FRAMING_CHANGE_YES (0x00000001 << 1) +#define NV_DPCD_LINK_BANDWIDTH_SET (0x00000100) +#define NV_DPCD_LANE_COUNT_SET (0x00000101) +#define NV_DPCD_LANE_COUNT_SET_ENHANCEDFRAMING_F (0x00000000 << 7) +#define NV_DPCD_LANE_COUNT_SET_ENHANCEDFRAMING_T (0x00000001 << 7) +#define NV_DPCD_TRAINING_PATTERN_SET (0x00000102) +#define NV_DPCD_TRAINING_PATTERN_SET_TPS_MASK 0x3 +#define NV_DPCD_TRAINING_PATTERN_SET_TPS_NONE (0x00000000) +#define NV_DPCD_TRAINING_PATTERN_SET_TPS_TP1 (0x00000001) +#define NV_DPCD_TRAINING_PATTERN_SET_TPS_TP2 (0x00000002) +#define NV_DPCD_TRAINING_PATTERN_SET_TPS_TP3 (0x00000003) +#define NV_DPCD_TRAINING_PATTERN_SET_SC_DISABLED_F (0x00000000 << 5) +#define NV_DPCD_TRAINING_PATTERN_SET_SC_DISABLED_T (0x00000001 << 5) +#define NV_DPCD_TRAINING_LANE0_SET (0x00000103) +#define NV_DPCD_TRAINING_LANE1_SET (0x00000104) +#define NV_DPCD_TRAINING_LANE2_SET (0x00000105) +#define NV_DPCD_TRAINING_LANE3_SET (0x00000106) +#define NV_DPCD_TRAINING_LANEX_SET_DC_SHIFT 0 +#define NV_DPCD_TRAINING_LANEX_SET_DC_MAX_REACHED_T (0x00000001 << 2) +#define NV_DPCD_TRAINING_LANEX_SET_PE_SHIFT 3 +#define NV_DPCD_TRAINING_LANEX_SET_PE_MAX_REACHED_T (0x00000001 << 5) +#define NV_DPCD_DOWNSPREAD_CTRL (0x00000107) +#define NV_DPCD_DOWNSPREAD_CTRL_SPREAD_AMP_NONE (0x00000000 << 4) +#define NV_DPCD_DOWNSPREAD_CTRL_SPREAD_AMP_LT_0_5 (0x00000001 << 4) +#define NV_DPCD_MAIN_LINK_CHANNEL_CODING_SET (0x00000108) +#define NV_DPCD_MAIN_LINK_CHANNEL_CODING_SET_ANSI_8B10B 1 +#define NV_DPCD_EDP_CONFIG_SET (0x0000010A) +#define NV_DPCD_EDP_CONFIG_SET_ASC_RESET_DISABLE (0x00000000) +#define NV_DPCD_EDP_CONFIG_SET_ASC_RESET_ENABLE (0x00000001) +#define NV_DPCD_EDP_CONFIG_SET_FRAMING_CHANGE_DISABLE (0x00000000 << 1) +#define NV_DPCD_EDP_CONFIG_SET_FRAMING_CHANGE_ENABLE (0x00000001 << 1) +#define NV_DPCD_TRAINING_LANE0_1_SET2 (0x0000010F) +#define NV_DPCD_TRAINING_LANE2_3_SET2 (0x00000110) +#define NV_DPCD_LANEX_SET2_PC2_SHIFT 0 +#define NV_DPCD_LANEX_SET2_PC2_MAX_REACHED_T (0x00000001 << 2) +#define NV_DPCD_LANEXPLUS1_SET2_PC2_SHIFT 4 +#define NV_DPCD_LANEXPLUS1_SET2_PC2_MAX_REACHED_T (0x00000001 << 6) +#define NV_DPCD_SINK_COUNT (0x00000200) +#define NV_DPCD_DEVICE_SERVICE_IRQ_VECTOR (0x00000201) +#define NV_DPCD_DEVICE_SERVICE_IRQ_VECTOR_AUTO_TEST_NO (0x00000000 << 1) +#define NV_DPCD_DEVICE_SERVICE_IRQ_VECTOR_AUTO_TEST_YES (0x00000001 << 1) +#define NV_DPCD_DEVICE_SERVICE_IRQ_VECTOR_CP_NO (0x00000000 << 2) +#define NV_DPCD_DEVICE_SERVICE_IRQ_VECTOR_CP_YES (0x00000001 << 2) +#define NV_DPCD_LANE0_1_STATUS (0x00000202) +#define NV_DPCD_LANE2_3_STATUS (0x00000203) +#define NV_DPCD_STATUS_LANEX_CR_DONE_SHIFT 0 +#define NV_DPCD_STATUS_LANEX_CR_DONE_NO (0x00000000) +#define NV_DPCD_STATUS_LANEX_CR_DONE_YES (0x00000001) +#define NV_DPCD_STATUS_LANEX_CHN_EQ_DONE_SHIFT 1 +#define NV_DPCD_STATUS_LANEX_CHN_EQ_DONE_NO (0x00000000 << 1) +#define NV_DPCD_STATUS_LANEX_CHN_EQ_DONE_YES (0x00000001 << 1) +#define NV_DPCD_STATUS_LANEX_SYMBOL_LOCKED_SHFIT 2 +#define NV_DPCD_STATUS_LANEX_SYMBOL_LOCKED_NO (0x00000000 << 2) +#define NV_DPCD_STATUS_LANEX_SYMBOL_LOCKED_YES (0x00000001 << 2) +#define NV_DPCD_STATUS_LANEXPLUS1_CR_DONE_SHIFT 4 +#define NV_DPCD_STATUS_LANEXPLUS1_CR_DONE_NO (0x00000000 << 4) +#define NV_DPCD_STATUS_LANEXPLUS1_CR_DONE_YES (0x00000001 << 4) +#define NV_DPCD_STATUS_LANEXPLUS1_CHN_EQ_DONE_SHIFT 5 +#define NV_DPCD_STATUS_LANEXPLUS1_CHN_EQ_DONE_NO (0x00000000 << 5) +#define NV_DPCD_STATUS_LANEXPLUS1_CHN_EQ_DONE_YES (0x00000001 << 5) +#define NV_DPCD_STATUS_LANEXPLUS1_SYMBOL_LOCKED_SHIFT 6 +#define NV_DPCD_STATUS_LANEXPLUS1_SYMBOL_LOCKED_NO (0x00000000 << 6) +#define NV_DPCD_STATUS_LANEXPLUS1_SYMBOL_LOCKED_YES (0x00000001 << 6) +#define NV_DPCD_LANE_ALIGN_STATUS_UPDATED (0x00000204) +#define NV_DPCD_LANE_ALIGN_STATUS_UPDATED_DONE_NO (0x00000000) +#define NV_DPCD_LANE_ALIGN_STATUS_UPDATED_DONE_YES (0x00000001) +#define NV_DPCD_LANE0_1_ADJUST_REQ (0x00000206) +#define NV_DPCD_LANE2_3_ADJUST_REQ (0x00000207) +#define NV_DPCD_ADJUST_REQ_LANEX_DC_SHIFT 0 +#define NV_DPCD_ADJUST_REQ_LANEX_DC_MASK 0x3 +#define NV_DPCD_ADJUST_REQ_LANEX_PE_SHIFT 2 +#define NV_DPCD_ADJUST_REQ_LANEX_PE_MASK (0x3 << 2) +#define NV_DPCD_ADJUST_REQ_LANEXPLUS1_DC_SHIFT 4 +#define NV_DPCD_ADJUST_REQ_LANEXPLUS1_DC_MASK (0x3 << 4) +#define NV_DPCD_ADJUST_REQ_LANEXPLUS1_PE_SHIFT 6 +#define NV_DPCD_ADJUST_REQ_LANEXPLUS1_PE_MASK (0x3 << 6) +#define NV_DPCD_ADJUST_REQ_POST_CURSOR2 (0x0000020C) +#define NV_DPCD_ADJUST_REQ_POST_CURSOR2_LANE_MASK 0x3 +#define NV_DPCD_ADJUST_REQ_POST_CURSOR2_LANE_SHIFT(i) (i*2) +#define NV_DPCD_TEST_REQUEST (0x00000218) +#define NV_DPCD_SOURCE_IEEE_OUI (0x00000300) +#define NV_DPCD_SINK_IEEE_OUI (0x00000400) +#define NV_DPCD_BRANCH_IEEE_OUI (0x00000500) +#define NV_DPCD_SET_POWER (0x00000600) +#define NV_DPCD_SET_POWER_VAL_RESERVED (0x00000000) +#define NV_DPCD_SET_POWER_VAL_D0_NORMAL (0x00000001) +#define NV_DPCD_SET_POWER_VAL_D3_PWRDWN (0x00000002) +#define NV_DPCD_HDCP_BKSV_OFFSET (0x00068000) +#define NV_DPCD_HDCP_RPRIME_OFFSET (0x00068005) +#define NV_DPCD_HDCP_AKSV_OFFSET (0x00068007) +#define NV_DPCD_HDCP_AN_OFFSET (0x0006800C) +#define NV_DPCD_HDCP_VPRIME_OFFSET (0x00068014) +#define NV_DPCD_HDCP_BCAPS_OFFSET (0x00068028) +#define NV_DPCD_HDCP_BSTATUS_OFFSET (0x00068029) +#define NV_DPCD_HDCP_BINFO_OFFSET (0x0006802A) +#define NV_DPCD_HDCP_KSV_FIFO_OFFSET (0x0006802C) +#define NV_DPCD_HDCP_AINFO_OFFSET (0x0006803B) + +int tegra_dc_dpaux_read(struct tegra_dc_dp_data *dp, u32 cmd, u32 addr, + u8 *data, u32 *size, u32 *aux_stat); +int dpaux_write(u32 addr, u32 size, u32 data); +int dpaux_read(u32 addr, u32 size, u8 *data); +void debug_dpaux_print(u32 addr, u32 size); +void dp_link_training(u32 lanes, u32 speed); +#endif /* __SOC_NVIDIA_TEGRA_DISPLAYPORT_H__ */ |