1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (C) 2013 NVIDIA Corporation |
4 | */ |
5 | |
6 | #ifndef DRM_TEGRA_DPAUX_H |
7 | #define DRM_TEGRA_DPAUX_H |
8 | |
9 | #define DPAUX_CTXSW 0x00 |
10 | |
11 | #define DPAUX_INTR_EN_AUX 0x01 |
12 | #define DPAUX_INTR_AUX 0x05 |
13 | #define DPAUX_INTR_AUX_DONE (1 << 3) |
14 | #define DPAUX_INTR_IRQ_EVENT (1 << 2) |
15 | #define DPAUX_INTR_UNPLUG_EVENT (1 << 1) |
16 | #define DPAUX_INTR_PLUG_EVENT (1 << 0) |
17 | |
18 | #define DPAUX_DP_AUXDATA_WRITE(x) (0x09 + ((x) << 2)) |
19 | #define DPAUX_DP_AUXDATA_READ(x) (0x19 + ((x) << 2)) |
20 | #define DPAUX_DP_AUXADDR 0x29 |
21 | |
22 | #define DPAUX_DP_AUXCTL 0x2d |
23 | #define DPAUX_DP_AUXCTL_TRANSACTREQ (1 << 16) |
24 | #define DPAUX_DP_AUXCTL_CMD_AUX_RD (9 << 12) |
25 | #define DPAUX_DP_AUXCTL_CMD_AUX_WR (8 << 12) |
26 | #define DPAUX_DP_AUXCTL_CMD_MOT_RQ (6 << 12) |
27 | #define DPAUX_DP_AUXCTL_CMD_MOT_RD (5 << 12) |
28 | #define DPAUX_DP_AUXCTL_CMD_MOT_WR (4 << 12) |
29 | #define DPAUX_DP_AUXCTL_CMD_I2C_RQ (2 << 12) |
30 | #define DPAUX_DP_AUXCTL_CMD_I2C_RD (1 << 12) |
31 | #define DPAUX_DP_AUXCTL_CMD_I2C_WR (0 << 12) |
32 | #define DPAUX_DP_AUXCTL_CMD_ADDRESS_ONLY (1 << 8) |
33 | #define DPAUX_DP_AUXCTL_CMDLEN(x) ((x) & 0xff) |
34 | |
35 | #define DPAUX_DP_AUXSTAT 0x31 |
36 | #define DPAUX_DP_AUXSTAT_HPD_STATUS (1 << 28) |
37 | #define DPAUX_DP_AUXSTAT_REPLY_TYPE_MASK (0xf0000) |
38 | #define DPAUX_DP_AUXSTAT_NO_STOP_ERROR (1 << 11) |
39 | #define DPAUX_DP_AUXSTAT_SINKSTAT_ERROR (1 << 10) |
40 | #define DPAUX_DP_AUXSTAT_RX_ERROR (1 << 9) |
41 | #define DPAUX_DP_AUXSTAT_TIMEOUT_ERROR (1 << 8) |
42 | #define DPAUX_DP_AUXSTAT_REPLY_MASK (0xff) |
43 | |
44 | #define DPAUX_DP_AUX_SINKSTAT_LO 0x35 |
45 | #define DPAUX_DP_AUX_SINKSTAT_HI 0x39 |
46 | |
47 | #define DPAUX_HPD_CONFIG 0x3d |
48 | #define DPAUX_HPD_CONFIG_UNPLUG_MIN_TIME(x) (((x) & 0xffff) << 16) |
49 | #define DPAUX_HPD_CONFIG_PLUG_MIN_TIME(x) ((x) & 0xffff) |
50 | |
51 | #define DPAUX_HPD_IRQ_CONFIG 0x41 |
52 | #define DPAUX_HPD_IRQ_CONFIG_MIN_LOW_TIME(x) ((x) & 0xffff) |
53 | |
54 | #define DPAUX_DP_AUX_CONFIG 0x45 |
55 | |
56 | #define DPAUX_HYBRID_PADCTL 0x49 |
57 | #define DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV (1 << 15) |
58 | #define DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV (1 << 14) |
59 | #define DPAUX_HYBRID_PADCTL_AUX_CMH(x) (((x) & 0x3) << 12) |
60 | #define DPAUX_HYBRID_PADCTL_AUX_DRVZ(x) (((x) & 0x7) << 8) |
61 | #define DPAUX_HYBRID_PADCTL_AUX_DRVI(x) (((x) & 0x3f) << 2) |
62 | #define DPAUX_HYBRID_PADCTL_AUX_INPUT_RCV (1 << 1) |
63 | #define DPAUX_HYBRID_PADCTL_MODE_I2C (1 << 0) |
64 | #define DPAUX_HYBRID_PADCTL_MODE_AUX (0 << 0) |
65 | |
66 | #define DPAUX_HYBRID_SPARE 0x4d |
67 | #define DPAUX_HYBRID_SPARE_PAD_POWER_DOWN (1 << 0) |
68 | |
69 | #define DPAUX_SCRATCH_REG0 0x51 |
70 | #define DPAUX_SCRATCH_REG1 0x55 |
71 | #define DPAUX_SCRATCH_REG2 0x59 |
72 | |
73 | #endif |
74 | |