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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/tegra/dpaux.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/tegra/dpaux.h')
-rw-r--r-- | drivers/gpu/drm/tegra/dpaux.h | 73 |
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 000000000..5eced10fa --- /dev/null +++ b/drivers/gpu/drm/tegra/dpaux.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2013 NVIDIA Corporation + */ + +#ifndef DRM_TEGRA_DPAUX_H +#define DRM_TEGRA_DPAUX_H + +#define DPAUX_CTXSW 0x00 + +#define DPAUX_INTR_EN_AUX 0x01 +#define DPAUX_INTR_AUX 0x05 +#define DPAUX_INTR_AUX_DONE (1 << 3) +#define DPAUX_INTR_IRQ_EVENT (1 << 2) +#define DPAUX_INTR_UNPLUG_EVENT (1 << 1) +#define DPAUX_INTR_PLUG_EVENT (1 << 0) + +#define DPAUX_DP_AUXDATA_WRITE(x) (0x09 + ((x) << 2)) +#define DPAUX_DP_AUXDATA_READ(x) (0x19 + ((x) << 2)) +#define DPAUX_DP_AUXADDR 0x29 + +#define DPAUX_DP_AUXCTL 0x2d +#define DPAUX_DP_AUXCTL_TRANSACTREQ (1 << 16) +#define DPAUX_DP_AUXCTL_CMD_AUX_RD (9 << 12) +#define DPAUX_DP_AUXCTL_CMD_AUX_WR (8 << 12) +#define DPAUX_DP_AUXCTL_CMD_MOT_RQ (6 << 12) +#define DPAUX_DP_AUXCTL_CMD_MOT_RD (5 << 12) +#define DPAUX_DP_AUXCTL_CMD_MOT_WR (4 << 12) +#define DPAUX_DP_AUXCTL_CMD_I2C_RQ (2 << 12) +#define DPAUX_DP_AUXCTL_CMD_I2C_RD (1 << 12) +#define DPAUX_DP_AUXCTL_CMD_I2C_WR (0 << 12) +#define DPAUX_DP_AUXCTL_CMD_ADDRESS_ONLY (1 << 8) +#define DPAUX_DP_AUXCTL_CMDLEN(x) ((x) & 0xff) + +#define DPAUX_DP_AUXSTAT 0x31 +#define DPAUX_DP_AUXSTAT_HPD_STATUS (1 << 28) +#define DPAUX_DP_AUXSTAT_REPLY_TYPE_MASK (0xf0000) +#define DPAUX_DP_AUXSTAT_NO_STOP_ERROR (1 << 11) +#define DPAUX_DP_AUXSTAT_SINKSTAT_ERROR (1 << 10) +#define DPAUX_DP_AUXSTAT_RX_ERROR (1 << 9) +#define DPAUX_DP_AUXSTAT_TIMEOUT_ERROR (1 << 8) +#define DPAUX_DP_AUXSTAT_REPLY_MASK (0xff) + +#define DPAUX_DP_AUX_SINKSTAT_LO 0x35 +#define DPAUX_DP_AUX_SINKSTAT_HI 0x39 + +#define DPAUX_HPD_CONFIG 0x3d +#define DPAUX_HPD_CONFIG_UNPLUG_MIN_TIME(x) (((x) & 0xffff) << 16) +#define DPAUX_HPD_CONFIG_PLUG_MIN_TIME(x) ((x) & 0xffff) + +#define DPAUX_HPD_IRQ_CONFIG 0x41 +#define DPAUX_HPD_IRQ_CONFIG_MIN_LOW_TIME(x) ((x) & 0xffff) + +#define DPAUX_DP_AUX_CONFIG 0x45 + +#define DPAUX_HYBRID_PADCTL 0x49 +#define DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV (1 << 15) +#define DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV (1 << 14) +#define DPAUX_HYBRID_PADCTL_AUX_CMH(x) (((x) & 0x3) << 12) +#define DPAUX_HYBRID_PADCTL_AUX_DRVZ(x) (((x) & 0x7) << 8) +#define DPAUX_HYBRID_PADCTL_AUX_DRVI(x) (((x) & 0x3f) << 2) +#define DPAUX_HYBRID_PADCTL_AUX_INPUT_RCV (1 << 1) +#define DPAUX_HYBRID_PADCTL_MODE_I2C (1 << 0) +#define DPAUX_HYBRID_PADCTL_MODE_AUX (0 << 0) + +#define DPAUX_HYBRID_SPARE 0x4d +#define DPAUX_HYBRID_SPARE_PAD_POWER_DOWN (1 << 0) + +#define DPAUX_SCRATCH_REG0 0x51 +#define DPAUX_SCRATCH_REG1 0x55 +#define DPAUX_SCRATCH_REG2 0x59 + +#endif |