/* * Copyright (C) 2013 NVIDIA Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #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_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_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