blob: c70bbe32ed08628a9d340f925c4dae0ced974175 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* Copyright (c) 2014, NVIDIA Corporation.
*
* SPDX-License-Identifier: GPL-2.0
*/
#ifndef _TEGRA_DISPLAYPORT_H
#define _TEGRA_DISPLAYPORT_H
#include <linux/drm_dp_helper.h>
struct dpaux_ctlr {
u32 reserved0;
u32 intr_en_aux;
u32 reserved2_4;
u32 intr_aux;
};
#define DPAUX_INTR_EN_AUX 0x1
#define DPAUX_INTR_AUX 0x5
#define DPAUX_DP_AUXDATA_WRITE_W(i) (0x9 + 4 * (i))
#define DPAUX_DP_AUXDATA_READ_W(i) (0x19 + 4 * (i))
#define DPAUX_DP_AUXADDR 0x29
#define DPAUX_DP_AUXCTL 0x2d
#define DPAUX_DP_AUXCTL_CMDLEN_SHIFT 0
#define DPAUX_DP_AUXCTL_CMDLEN_FIELD 0xff
#define DPAUX_DP_AUXCTL_CMD_SHIFT 12
#define DPAUX_DP_AUXCTL_CMD_MASK (0xf << 12)
#define DPAUX_DP_AUXCTL_CMD_I2CWR (0 << 12)
#define DPAUX_DP_AUXCTL_CMD_I2CRD (1 << 12)
#define DPAUX_DP_AUXCTL_CMD_I2CREQWSTAT (2 << 12)
#define DPAUX_DP_AUXCTL_CMD_MOTWR (4 << 12)
#define DPAUX_DP_AUXCTL_CMD_MOTRD (5 << 12)
#define DPAUX_DP_AUXCTL_CMD_MOTREQWSTAT (6 << 12)
#define DPAUX_DP_AUXCTL_CMD_AUXWR (8 << 12)
#define DPAUX_DP_AUXCTL_CMD_AUXRD (9 << 12)
#define DPAUX_DP_AUXCTL_TRANSACTREQ_SHIFT 16
#define DPAUX_DP_AUXCTL_TRANSACTREQ_MASK (0x1 << 16)
#define DPAUX_DP_AUXCTL_TRANSACTREQ_DONE (0 << 16)
#define DPAUX_DP_AUXCTL_TRANSACTREQ_PENDING (1 << 16)
#define DPAUX_DP_AUXCTL_RST_SHIFT 31
#define DPAUX_DP_AUXCTL_RST_DEASSERT (0 << 31)
#define DPAUX_DP_AUXCTL_RST_ASSERT (1 << 31)
#define DPAUX_DP_AUXSTAT 0x31
#define DPAUX_DP_AUXSTAT_HPD_STATUS_SHIFT 28
#define DPAUX_DP_AUXSTAT_HPD_STATUS_UNPLUG (0 << 28)
#define DPAUX_DP_AUXSTAT_HPD_STATUS_PLUGGED (1 << 28)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_SHIFT 20
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_MASK (0xf << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_IDLE (0 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_SYNC (1 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_START1 (2 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_COMMAND (3 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_ADDRESS (4 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_LENGTH (5 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_WRITE1 (6 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_READ1 (7 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_GET_M (8 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_STOP1 (9 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_STOP2 (10 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_REPLY (11 << 20)
#define DPAUX_DP_AUXSTAT_AUXCTL_STATE_CLEANUP (12 << 20)
#define DPAUX_DP_AUXSTAT_REPLYTYPE_SHIFT 16
#define DPAUX_DP_AUXSTAT_REPLYTYPE_MASK (0xf << 16)
#define DPAUX_DP_AUXSTAT_REPLYTYPE_ACK (0 << 16)
#define DPAUX_DP_AUXSTAT_REPLYTYPE_NACK (1 << 16)
#define DPAUX_DP_AUXSTAT_REPLYTYPE_DEFER (2 << 16)
#define DPAUX_DP_AUXSTAT_REPLYTYPE_I2CNACK (4 << 16)
#define DPAUX_DP_AUXSTAT_REPLYTYPE_I2CDEFER (8 << 16)
#define DPAUX_DP_AUXSTAT_NO_STOP_ERROR_SHIFT 11
#define DPAUX_DP_AUXSTAT_NO_STOP_ERROR_NOT_PENDING (0 << 11)
#define DPAUX_DP_AUXSTAT_NO_STOP_ERROR_PENDING (1 << 11)
#define DPAUX_DP_AUXSTAT_SINKSTAT_ERROR_SHIFT 10
#define DPAUX_DP_AUXSTAT_SINKSTAT_ERROR_NOT_PENDING (0 << 10)
#define DPAUX_DP_AUXSTAT_SINKSTAT_ERROR_PENDING (1 << 10)
#define DPAUX_DP_AUXSTAT_RX_ERROR_SHIFT 9
#define DPAUX_DP_AUXSTAT_RX_ERROR_NOT_PENDING (0 << 9)
#define DPAUX_DP_AUXSTAT_RX_ERROR_PENDING (1 << 9)
#define DPAUX_DP_AUXSTAT_TIMEOUT_ERROR_SHIFT 8
#define DPAUX_DP_AUXSTAT_TIMEOUT_ERROR_NOT_PENDING (0 << 8)
#define DPAUX_DP_AUXSTAT_TIMEOUT_ERROR_PENDING (1 << 8)
#define DPAUX_DP_AUXSTAT_REPLY_M_SHIFT 0
#define DPAUX_DP_AUXSTAT_REPLY_M_MASK (0xff << 0)
#define DPAUX_HPD_CONFIG (0x3d)
#define DPAUX_HPD_IRQ_CONFIG 0x41
#define DPAUX_DP_AUX_CONFIG 0x45
#define DPAUX_HYBRID_PADCTL 0x49
#define DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV_SHIFT 15
#define DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV_DISABLE (0 << 15)
#define DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV_ENABLE (1 << 15)
#define DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV_SHIFT 14
#define DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV_DISABLE (0 << 14)
#define DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV_ENABLE (1 << 14)
#define DPAUX_HYBRID_PADCTL_AUX_CMH_SHIFT 12
#define DPAUX_HYBRID_PADCTL_AUX_CMH_DEFAULT_MASK (0x3 << 12)
#define DPAUX_HYBRID_PADCTL_AUX_CMH_V0_60 (0 << 12)
#define DPAUX_HYBRID_PADCTL_AUX_CMH_V0_64 (1 << 12)
#define DPAUX_HYBRID_PADCTL_AUX_CMH_V0_70 (2 << 12)
#define DPAUX_HYBRID_PADCTL_AUX_CMH_V0_56 (3 << 12)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_SHIFT 8
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_DEFAULT_MASK (0x7 << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_78 (0 << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_60 (1 << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_54 (2 << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_45 (3 << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_50 (4 << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_42 (5 << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_39 (6 << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_34 (7 << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVI_SHIFT 2
#define DPAUX_HYBRID_PADCTL_AUX_DRVI_DEFAULT_MASK (0x3f << 2)
#define DPAUX_HYBRID_PADCTL_AUX_INPUT_RCV_SHIFT 1
#define DPAUX_HYBRID_PADCTL_AUX_INPUT_RCV_DISABLE (0 << 1)
#define DPAUX_HYBRID_PADCTL_AUX_INPUT_RCV_ENABLE (1 << 1)
#define DPAUX_HYBRID_PADCTL_MODE_SHIFT 0
#define DPAUX_HYBRID_PADCTL_MODE_AUX 0
#define DPAUX_HYBRID_PADCTL_MODE_I2C 1
#define DPAUX_HYBRID_SPARE 0x4d
#define DPAUX_HYBRID_SPARE_PAD_PWR_POWERUP 0
#define DPAUX_HYBRID_SPARE_PAD_PWR_POWERDOWN 1
#define DP_AUX_DEFER_MAX_TRIES 7
#define DP_AUX_TIMEOUT_MAX_TRIES 2
#define DP_POWER_ON_MAX_TRIES 3
#define DP_AUX_MAX_BYTES 16
#define DP_AUX_TIMEOUT_MS 40
#define DP_DPCP_RETRY_SLEEP_NS 400
/* DPCD definitions which are not defined in drm_dp_helper.h */
#define DP_DPCD_REV_MAJOR_SHIFT 4
#define DP_DPCD_REV_MAJOR_MASK (0xf << 4)
#define DP_DPCD_REV_MINOR_SHIFT 0
#define DP_DPCD_REV_MINOR_MASK 0xf
#define DP_MAX_LINK_RATE_VAL_1_62_GPBS 0x6
#define DP_MAX_LINK_RATE_VAL_2_70_GPBS 0xa
#define DP_MAX_LINK_RATE_VAL_5_40_GPBS 0x4
#define DP_MAX_LANE_COUNT_LANE_1 0x1
#define DP_MAX_LANE_COUNT_LANE_2 0x2
#define DP_MAX_LANE_COUNT_LANE_4 0x4
#define DP_MAX_LANE_COUNT_ENHANCED_FRAMING_YES (1 << 7)
#define DP_MAX_DOWNSPREAD_VAL_NONE 0
#define DP_MAX_DOWNSPREAD_VAL_0_5_PCT 1
#define DP_MAX_DOWNSPREAD_NO_AUX_HANDSHAKE_LT_T (1 << 6)
#define DP_EDP_CONFIGURATION_CAP_ASC_RESET_YES 1
#define DP_EDP_CONFIGURATION_CAP_FRAMING_CHANGE_YES (1 << 1)
#define DP_LANE_COUNT_SET_ENHANCEDFRAMING_T (1 << 7)
#define DP_TRAINING_PATTERN_SET_SC_DISABLED_T (1 << 5)
#define DP_MAIN_LINK_CHANNEL_CODING_SET_ASC_RESET_DISABLE 0
#define DP_MAIN_LINK_CHANNEL_CODING_SET_ASC_RESET_ENABLE 1
#define NV_DPCD_TRAINING_LANE0_1_SET2 0x10f
#define NV_DPCD_TRAINING_LANE2_3_SET2 0x110
#define NV_DPCD_LANEX_SET2_PC2_MAX_REACHED_T (1 << 2)
#define NV_DPCD_LANEXPLUS1_SET2_PC2_MAX_REACHED_T (1 << 6)
#define NV_DPCD_STATUS_LANEX_CR_DONE_SHIFT 0
#define NV_DPCD_STATUS_LANEX_CR_DONE_NO (0x00000000)
#define NV_DPCD_STATUS_LANEX_CR_DONE_YES (0x00000001)
#define NV_DPCD_STATUS_LANEX_CHN_EQ_DONE_SHIFT 1
#define NV_DPCD_STATUS_LANEX_CHN_EQ_DONE_NO (0x00000000 << 1)
#define NV_DPCD_STATUS_LANEX_CHN_EQ_DONE_YES (0x00000001 << 1)
#define NV_DPCD_STATUS_LANEX_SYMBOL_LOCKED_SHFIT 2
#define NV_DPCD_STATUS_LANEX_SYMBOL_LOCKED_NO (0x00000000 << 2)
#define NV_DPCD_STATUS_LANEX_SYMBOL_LOCKED_YES (0x00000001 << 2)
#define NV_DPCD_STATUS_LANEXPLUS1_CR_DONE_SHIFT 4
#define NV_DPCD_STATUS_LANEXPLUS1_CR_DONE_NO (0x00000000 << 4)
#define NV_DPCD_STATUS_LANEXPLUS1_CR_DONE_YES (0x00000001 << 4)
#define NV_DPCD_STATUS_LANEXPLUS1_CHN_EQ_DONE_SHIFT 5
#define NV_DPCD_STATUS_LANEXPLUS1_CHN_EQ_DONE_NO (0x00000000 << 5)
#define NV_DPCD_STATUS_LANEXPLUS1_CHN_EQ_DONE_YES (0x00000001 << 5)
#define NV_DPCD_STATUS_LANEXPLUS1_SYMBOL_LOCKED_SHIFT 6
#define NV_DPCD_STATUS_LANEXPLUS1_SYMBOL_LOCKED_NO (0x00000000 << 6)
#define NV_DPCD_STATUS_LANEXPLUS1_SYMBOL_LOCKED_YES (0x00000001 << 6)
#endif
|
