1 #ifndef __NVKM_DISP_DP_H__
2 #define __NVKM_DISP_DP_H__
3 #define nvkm_dp(p) container_of((p), struct nvkm_dp, outp)
4 #include "outp.h"
5 
6 #include <core/notify.h>
7 #include <subdev/bios.h>
8 #include <subdev/bios/dp.h>
9 
10 struct nvkm_dp {
11 	union {
12 		struct nvkm_outp base;
13 		struct nvkm_outp outp;
14 	};
15 
16 	struct nvbios_dpout info;
17 	u8 version;
18 
19 	struct nvkm_i2c_aux *aux;
20 
21 	struct nvkm_notify hpd;
22 	bool present;
23 	u8 dpcd[16];
24 
25 	struct mutex mutex;
26 	struct {
27 		atomic_t done;
28 		bool mst;
29 	} lt;
30 };
31 
32 int nvkm_dp_new(struct nvkm_disp *, int index, struct dcb_output *,
33 		struct nvkm_outp **);
34 
35 /* DPCD Receiver Capabilities */
36 #define DPCD_RC00_DPCD_REV                                              0x00000
37 #define DPCD_RC01_MAX_LINK_RATE                                         0x00001
38 #define DPCD_RC02                                                       0x00002
39 #define DPCD_RC02_ENHANCED_FRAME_CAP                                       0x80
40 #define DPCD_RC02_TPS3_SUPPORTED                                           0x40
41 #define DPCD_RC02_MAX_LANE_COUNT                                           0x1f
42 #define DPCD_RC03                                                       0x00003
43 #define DPCD_RC03_MAX_DOWNSPREAD                                           0x01
44 #define DPCD_RC0E_AUX_RD_INTERVAL                                       0x0000e
45 
46 /* DPCD Link Configuration */
47 #define DPCD_LC00_LINK_BW_SET                                           0x00100
48 #define DPCD_LC01                                                       0x00101
49 #define DPCD_LC01_ENHANCED_FRAME_EN                                        0x80
50 #define DPCD_LC01_LANE_COUNT_SET                                           0x1f
51 #define DPCD_LC02                                                       0x00102
52 #define DPCD_LC02_TRAINING_PATTERN_SET                                     0x03
53 #define DPCD_LC03(l)                                            ((l) +  0x00103)
54 #define DPCD_LC03_MAX_PRE_EMPHASIS_REACHED                                 0x20
55 #define DPCD_LC03_PRE_EMPHASIS_SET                                         0x18
56 #define DPCD_LC03_MAX_SWING_REACHED                                        0x04
57 #define DPCD_LC03_VOLTAGE_SWING_SET                                        0x03
58 #define DPCD_LC0F                                                       0x0010f
59 #define DPCD_LC0F_LANE1_MAX_POST_CURSOR2_REACHED                           0x40
60 #define DPCD_LC0F_LANE1_POST_CURSOR2_SET                                   0x30
61 #define DPCD_LC0F_LANE0_MAX_POST_CURSOR2_REACHED                           0x04
62 #define DPCD_LC0F_LANE0_POST_CURSOR2_SET                                   0x03
63 #define DPCD_LC10                                                       0x00110
64 #define DPCD_LC10_LANE3_MAX_POST_CURSOR2_REACHED                           0x40
65 #define DPCD_LC10_LANE3_POST_CURSOR2_SET                                   0x30
66 #define DPCD_LC10_LANE2_MAX_POST_CURSOR2_REACHED                           0x04
67 #define DPCD_LC10_LANE2_POST_CURSOR2_SET                                   0x03
68 
69 /* DPCD Link/Sink Status */
70 #define DPCD_LS02                                                       0x00202
71 #define DPCD_LS02_LANE1_SYMBOL_LOCKED                                      0x40
72 #define DPCD_LS02_LANE1_CHANNEL_EQ_DONE                                    0x20
73 #define DPCD_LS02_LANE1_CR_DONE                                            0x10
74 #define DPCD_LS02_LANE0_SYMBOL_LOCKED                                      0x04
75 #define DPCD_LS02_LANE0_CHANNEL_EQ_DONE                                    0x02
76 #define DPCD_LS02_LANE0_CR_DONE                                            0x01
77 #define DPCD_LS03                                                       0x00203
78 #define DPCD_LS03_LANE3_SYMBOL_LOCKED                                      0x40
79 #define DPCD_LS03_LANE3_CHANNEL_EQ_DONE                                    0x20
80 #define DPCD_LS03_LANE3_CR_DONE                                            0x10
81 #define DPCD_LS03_LANE2_SYMBOL_LOCKED                                      0x04
82 #define DPCD_LS03_LANE2_CHANNEL_EQ_DONE                                    0x02
83 #define DPCD_LS03_LANE2_CR_DONE                                            0x01
84 #define DPCD_LS04                                                       0x00204
85 #define DPCD_LS04_LINK_STATUS_UPDATED                                      0x80
86 #define DPCD_LS04_DOWNSTREAM_PORT_STATUS_CHANGED                           0x40
87 #define DPCD_LS04_INTERLANE_ALIGN_DONE                                     0x01
88 #define DPCD_LS06                                                       0x00206
89 #define DPCD_LS06_LANE1_PRE_EMPHASIS                                       0xc0
90 #define DPCD_LS06_LANE1_VOLTAGE_SWING                                      0x30
91 #define DPCD_LS06_LANE0_PRE_EMPHASIS                                       0x0c
92 #define DPCD_LS06_LANE0_VOLTAGE_SWING                                      0x03
93 #define DPCD_LS07                                                       0x00207
94 #define DPCD_LS07_LANE3_PRE_EMPHASIS                                       0xc0
95 #define DPCD_LS07_LANE3_VOLTAGE_SWING                                      0x30
96 #define DPCD_LS07_LANE2_PRE_EMPHASIS                                       0x0c
97 #define DPCD_LS07_LANE2_VOLTAGE_SWING                                      0x03
98 #define DPCD_LS0C                                                       0x0020c
99 #define DPCD_LS0C_LANE3_POST_CURSOR2                                       0xc0
100 #define DPCD_LS0C_LANE2_POST_CURSOR2                                       0x30
101 #define DPCD_LS0C_LANE1_POST_CURSOR2                                       0x0c
102 #define DPCD_LS0C_LANE0_POST_CURSOR2                                       0x03
103 
104 /* DPCD Sink Control */
105 #define DPCD_SC00                                                       0x00600
106 #define DPCD_SC00_SET_POWER                                                0x03
107 #define DPCD_SC00_SET_POWER_D0                                             0x01
108 #define DPCD_SC00_SET_POWER_D3                                             0x03
109 #endif
110