aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/tegra/dpaux.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/tegra/dpaux.h')
-rw-r--r--drivers/gpu/drm/tegra/dpaux.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/dpaux.h b/drivers/gpu/drm/tegra/dpaux.h
new file mode 100644
index 000000000000..4f5bf10fdff9
--- /dev/null
+++ b/drivers/gpu/drm/tegra/dpaux.h
@@ -0,0 +1,73 @@
1/*
2 * Copyright (C) 2013 NVIDIA Corporation
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#ifndef DRM_TEGRA_DPAUX_H
10#define DRM_TEGRA_DPAUX_H
11
12#define DPAUX_CTXSW 0x00
13
14#define DPAUX_INTR_EN_AUX 0x01
15#define DPAUX_INTR_AUX 0x05
16#define DPAUX_INTR_AUX_DONE (1 << 3)
17#define DPAUX_INTR_IRQ_EVENT (1 << 2)
18#define DPAUX_INTR_UNPLUG_EVENT (1 << 1)
19#define DPAUX_INTR_PLUG_EVENT (1 << 0)
20
21#define DPAUX_DP_AUXDATA_WRITE(x) (0x09 + ((x) << 2))
22#define DPAUX_DP_AUXDATA_READ(x) (0x19 + ((x) << 2))
23#define DPAUX_DP_AUXADDR 0x29
24
25#define DPAUX_DP_AUXCTL 0x2d
26#define DPAUX_DP_AUXCTL_TRANSACTREQ (1 << 16)
27#define DPAUX_DP_AUXCTL_CMD_AUX_RD (9 << 12)
28#define DPAUX_DP_AUXCTL_CMD_AUX_WR (8 << 12)
29#define DPAUX_DP_AUXCTL_CMD_MOT_RQ (6 << 12)
30#define DPAUX_DP_AUXCTL_CMD_MOT_RD (5 << 12)
31#define DPAUX_DP_AUXCTL_CMD_MOT_WR (4 << 12)
32#define DPAUX_DP_AUXCTL_CMD_I2C_RQ (2 << 12)
33#define DPAUX_DP_AUXCTL_CMD_I2C_RD (1 << 12)
34#define DPAUX_DP_AUXCTL_CMD_I2C_WR (0 << 12)
35#define DPAUX_DP_AUXCTL_CMDLEN(x) ((x) & 0xff)
36
37#define DPAUX_DP_AUXSTAT 0x31
38#define DPAUX_DP_AUXSTAT_HPD_STATUS (1 << 28)
39#define DPAUX_DP_AUXSTAT_REPLY_TYPE_MASK (0xf0000)
40#define DPAUX_DP_AUXSTAT_NO_STOP_ERROR (1 << 11)
41#define DPAUX_DP_AUXSTAT_SINKSTAT_ERROR (1 << 10)
42#define DPAUX_DP_AUXSTAT_RX_ERROR (1 << 9)
43#define DPAUX_DP_AUXSTAT_TIMEOUT_ERROR (1 << 8)
44#define DPAUX_DP_AUXSTAT_REPLY_MASK (0xff)
45
46#define DPAUX_DP_AUX_SINKSTAT_LO 0x35
47#define DPAUX_DP_AUX_SINKSTAT_HI 0x39
48
49#define DPAUX_HPD_CONFIG 0x3d
50#define DPAUX_HPD_CONFIG_UNPLUG_MIN_TIME(x) (((x) & 0xffff) << 16)
51#define DPAUX_HPD_CONFIG_PLUG_MIN_TIME(x) ((x) & 0xffff)
52
53#define DPAUX_HPD_IRQ_CONFIG 0x41
54#define DPAUX_HPD_IRQ_CONFIG_MIN_LOW_TIME(x) ((x) & 0xffff)
55
56#define DPAUX_DP_AUX_CONFIG 0x45
57
58#define DPAUX_HYBRID_PADCTL 0x49
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