| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __NVKM_DISP_DP_H__ |
| #define __NVKM_DISP_DP_H__ |
| #define nvkm_dp(p) container_of((p), struct nvkm_dp, outp) |
| #include "outp.h" |
| |
| #include <core/notify.h> |
| #include <subdev/bios.h> |
| #include <subdev/bios/dp.h> |
| |
| struct nvkm_dp { |
| union { |
| struct nvkm_outp base; |
| struct nvkm_outp outp; |
| }; |
| |
| struct nvbios_dpout info; |
| u8 version; |
| |
| struct nvkm_i2c_aux *aux; |
| |
| struct nvkm_notify hpd; |
| bool present; |
| u8 dpcd[16]; |
| |
| struct mutex mutex; |
| struct { |
| atomic_t done; |
| bool mst; |
| } lt; |
| }; |
| |
| int nvkm_dp_new(struct nvkm_disp *, int index, struct dcb_output *, |
| struct nvkm_outp **); |
| |
| /* DPCD Receiver Capabilities */ |
| #define DPCD_RC00_DPCD_REV 0x00000 |
| #define DPCD_RC01_MAX_LINK_RATE 0x00001 |
| #define DPCD_RC02 0x00002 |
| #define DPCD_RC02_ENHANCED_FRAME_CAP 0x80 |
| #define DPCD_RC02_TPS3_SUPPORTED 0x40 |
| #define DPCD_RC02_MAX_LANE_COUNT 0x1f |
| #define DPCD_RC03 0x00003 |
| #define DPCD_RC03_MAX_DOWNSPREAD 0x01 |
| #define DPCD_RC0E_AUX_RD_INTERVAL 0x0000e |
| |
| /* DPCD Link Configuration */ |
| #define DPCD_LC00_LINK_BW_SET 0x00100 |
| #define DPCD_LC01 0x00101 |
| #define DPCD_LC01_ENHANCED_FRAME_EN 0x80 |
| #define DPCD_LC01_LANE_COUNT_SET 0x1f |
| #define DPCD_LC02 0x00102 |
| #define DPCD_LC02_TRAINING_PATTERN_SET 0x03 |
| #define DPCD_LC03(l) ((l) + 0x00103) |
| #define DPCD_LC03_MAX_PRE_EMPHASIS_REACHED 0x20 |
| #define DPCD_LC03_PRE_EMPHASIS_SET 0x18 |
| #define DPCD_LC03_MAX_SWING_REACHED 0x04 |
| #define DPCD_LC03_VOLTAGE_SWING_SET 0x03 |
| #define DPCD_LC0F 0x0010f |
| #define DPCD_LC0F_LANE1_MAX_POST_CURSOR2_REACHED 0x40 |
| #define DPCD_LC0F_LANE1_POST_CURSOR2_SET 0x30 |
| #define DPCD_LC0F_LANE0_MAX_POST_CURSOR2_REACHED 0x04 |
| #define DPCD_LC0F_LANE0_POST_CURSOR2_SET 0x03 |
| #define DPCD_LC10 0x00110 |
| #define DPCD_LC10_LANE3_MAX_POST_CURSOR2_REACHED 0x40 |
| #define DPCD_LC10_LANE3_POST_CURSOR2_SET 0x30 |
| #define DPCD_LC10_LANE2_MAX_POST_CURSOR2_REACHED 0x04 |
| #define DPCD_LC10_LANE2_POST_CURSOR2_SET 0x03 |
| |
| /* DPCD Link/Sink Status */ |
| #define DPCD_LS02 0x00202 |
| #define DPCD_LS02_LANE1_SYMBOL_LOCKED 0x40 |
| #define DPCD_LS02_LANE1_CHANNEL_EQ_DONE 0x20 |
| #define DPCD_LS02_LANE1_CR_DONE 0x10 |
| #define DPCD_LS02_LANE0_SYMBOL_LOCKED 0x04 |
| #define DPCD_LS02_LANE0_CHANNEL_EQ_DONE 0x02 |
| #define DPCD_LS02_LANE0_CR_DONE 0x01 |
| #define DPCD_LS03 0x00203 |
| #define DPCD_LS03_LANE3_SYMBOL_LOCKED 0x40 |
| #define DPCD_LS03_LANE3_CHANNEL_EQ_DONE 0x20 |
| #define DPCD_LS03_LANE3_CR_DONE 0x10 |
| #define DPCD_LS03_LANE2_SYMBOL_LOCKED 0x04 |
| #define DPCD_LS03_LANE2_CHANNEL_EQ_DONE 0x02 |
| #define DPCD_LS03_LANE2_CR_DONE 0x01 |
| #define DPCD_LS04 0x00204 |
| #define DPCD_LS04_LINK_STATUS_UPDATED 0x80 |
| #define DPCD_LS04_DOWNSTREAM_PORT_STATUS_CHANGED 0x40 |
| #define DPCD_LS04_INTERLANE_ALIGN_DONE 0x01 |
| #define DPCD_LS06 0x00206 |
| #define DPCD_LS06_LANE1_PRE_EMPHASIS 0xc0 |
| #define DPCD_LS06_LANE1_VOLTAGE_SWING 0x30 |
| #define DPCD_LS06_LANE0_PRE_EMPHASIS 0x0c |
| #define DPCD_LS06_LANE0_VOLTAGE_SWING 0x03 |
| #define DPCD_LS07 0x00207 |
| #define DPCD_LS07_LANE3_PRE_EMPHASIS 0xc0 |
| #define DPCD_LS07_LANE3_VOLTAGE_SWING 0x30 |
| #define DPCD_LS07_LANE2_PRE_EMPHASIS 0x0c |
| #define DPCD_LS07_LANE2_VOLTAGE_SWING 0x03 |
| #define DPCD_LS0C 0x0020c |
| #define DPCD_LS0C_LANE3_POST_CURSOR2 0xc0 |
| #define DPCD_LS0C_LANE2_POST_CURSOR2 0x30 |
| #define DPCD_LS0C_LANE1_POST_CURSOR2 0x0c |
| #define DPCD_LS0C_LANE0_POST_CURSOR2 0x03 |
| |
| /* DPCD Sink Control */ |
| #define DPCD_SC00 0x00600 |
| #define DPCD_SC00_SET_POWER 0x03 |
| #define DPCD_SC00_SET_POWER_D0 0x01 |
| #define DPCD_SC00_SET_POWER_D3 0x03 |
| #endif |
