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