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/* SPDX-License-Identifier: MIT */
#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
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