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1/* SPDX-License-Identifier: MIT */
2#ifndef __NVKM_DISP_DP_H__
3#define __NVKM_DISP_DP_H__
4#include "outp.h"
5
6int nvkm_dp_new(struct nvkm_disp *, int index, struct dcb_output *,
7 struct nvkm_outp **);
8void nvkm_dp_disable(struct nvkm_outp *, struct nvkm_ior *);
9void nvkm_dp_enable(struct nvkm_outp *, bool auxpwr);
10
11/* DPCD Receiver Capabilities */
12#define DPCD_RC00_DPCD_REV 0x00000
13#define DPCD_RC01_MAX_LINK_RATE 0x00001
14#define DPCD_RC02 0x00002
15#define DPCD_RC02_ENHANCED_FRAME_CAP 0x80
16#define DPCD_RC02_TPS3_SUPPORTED 0x40
17#define DPCD_RC02_MAX_LANE_COUNT 0x1f
18#define DPCD_RC03 0x00003
19#define DPCD_RC03_TPS4_SUPPORTED 0x80
20#define DPCD_RC03_MAX_DOWNSPREAD 0x01
21#define DPCD_RC0E 0x0000e
22#define DPCD_RC0E_AUX_RD_INTERVAL 0x7f
23#define DPCD_RC10_SUPPORTED_LINK_RATES(i) 0x00010
24#define DPCD_RC10_SUPPORTED_LINK_RATES__SIZE 16
25
26/* DPCD Link Configuration */
27#define DPCD_LC00_LINK_BW_SET 0x00100
28#define DPCD_LC01 0x00101
29#define DPCD_LC01_ENHANCED_FRAME_EN 0x80
30#define DPCD_LC01_LANE_COUNT_SET 0x1f
31#define DPCD_LC02 0x00102
32#define DPCD_LC02_TRAINING_PATTERN_SET 0x0f
33#define DPCD_LC02_SCRAMBLING_DISABLE 0x20
34#define DPCD_LC03(l) ((l) + 0x00103)
35#define DPCD_LC03_MAX_PRE_EMPHASIS_REACHED 0x20
36#define DPCD_LC03_PRE_EMPHASIS_SET 0x18
37#define DPCD_LC03_MAX_SWING_REACHED 0x04
38#define DPCD_LC03_VOLTAGE_SWING_SET 0x03
39#define DPCD_LC0F 0x0010f
40#define DPCD_LC0F_LANE1_MAX_POST_CURSOR2_REACHED 0x40
41#define DPCD_LC0F_LANE1_POST_CURSOR2_SET 0x30
42#define DPCD_LC0F_LANE0_MAX_POST_CURSOR2_REACHED 0x04
43#define DPCD_LC0F_LANE0_POST_CURSOR2_SET 0x03
44#define DPCD_LC10 0x00110
45#define DPCD_LC10_LANE3_MAX_POST_CURSOR2_REACHED 0x40
46#define DPCD_LC10_LANE3_POST_CURSOR2_SET 0x30
47#define DPCD_LC10_LANE2_MAX_POST_CURSOR2_REACHED 0x04
48#define DPCD_LC10_LANE2_POST_CURSOR2_SET 0x03
49#define DPCD_LC15_LINK_RATE_SET 0x00115
50#define DPCD_LC15_LINK_RATE_SET_MASK 0x07
51
52/* DPCD Link/Sink Status */
53#define DPCD_LS02 0x00202
54#define DPCD_LS02_LANE1_SYMBOL_LOCKED 0x40
55#define DPCD_LS02_LANE1_CHANNEL_EQ_DONE 0x20
56#define DPCD_LS02_LANE1_CR_DONE 0x10
57#define DPCD_LS02_LANE0_SYMBOL_LOCKED 0x04
58#define DPCD_LS02_LANE0_CHANNEL_EQ_DONE 0x02
59#define DPCD_LS02_LANE0_CR_DONE 0x01
60#define DPCD_LS03 0x00203
61#define DPCD_LS03_LANE3_SYMBOL_LOCKED 0x40
62#define DPCD_LS03_LANE3_CHANNEL_EQ_DONE 0x20
63#define DPCD_LS03_LANE3_CR_DONE 0x10
64#define DPCD_LS03_LANE2_SYMBOL_LOCKED 0x04
65#define DPCD_LS03_LANE2_CHANNEL_EQ_DONE 0x02
66#define DPCD_LS03_LANE2_CR_DONE 0x01
67#define DPCD_LS04 0x00204
68#define DPCD_LS04_LINK_STATUS_UPDATED 0x80
69#define DPCD_LS04_DOWNSTREAM_PORT_STATUS_CHANGED 0x40
70#define DPCD_LS04_INTERLANE_ALIGN_DONE 0x01
71#define DPCD_LS06 0x00206
72#define DPCD_LS06_LANE1_PRE_EMPHASIS 0xc0
73#define DPCD_LS06_LANE1_VOLTAGE_SWING 0x30
74#define DPCD_LS06_LANE0_PRE_EMPHASIS 0x0c
75#define DPCD_LS06_LANE0_VOLTAGE_SWING 0x03
76#define DPCD_LS07 0x00207
77#define DPCD_LS07_LANE3_PRE_EMPHASIS 0xc0
78#define DPCD_LS07_LANE3_VOLTAGE_SWING 0x30
79#define DPCD_LS07_LANE2_PRE_EMPHASIS 0x0c
80#define DPCD_LS07_LANE2_VOLTAGE_SWING 0x03
81#define DPCD_LS0C 0x0020c
82#define DPCD_LS0C_LANE3_POST_CURSOR2 0xc0
83#define DPCD_LS0C_LANE2_POST_CURSOR2 0x30
84#define DPCD_LS0C_LANE1_POST_CURSOR2 0x0c
85#define DPCD_LS0C_LANE0_POST_CURSOR2 0x03
86
87/* DPCD Sink Control */
88#define DPCD_SC00 0x00600
89#define DPCD_SC00_SET_POWER 0x03
90#define DPCD_SC00_SET_POWER_D0 0x01
91#define DPCD_SC00_SET_POWER_D3 0x03
92
93#define DPCD_LTTPR_REV 0xf0000
94#define DPCD_LTTPR_MODE 0xf0003
95#define DPCD_LTTPR_MODE_TRANSPARENT 0x55
96#define DPCD_LTTPR_MODE_NON_TRANSPARENT 0xaa
97#define DPCD_LTTPR_PATTERN_SET(i) ((i - 1) * 0x50 + 0xf0010)
98#define DPCD_LTTPR_LANE0_SET(i) ((i - 1) * 0x50 + 0xf0011)
99#define DPCD_LTTPR_AUX_RD_INTERVAL(i) ((i - 1) * 0x50 + 0xf0020)
100#define DPCD_LTTPR_LANE0_1_STATUS(i) ((i - 1) * 0x50 + 0xf0030)
101#define DPCD_LTTPR_LANE0_1_ADJUST(i) ((i - 1) * 0x50 + 0xf0033)
102#endif