2019-06-04 11:11:33 +03:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2016-10-07 10:02:40 +03:00
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/*
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* Defines for Mobile High-Definition Link (MHL) interface
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*
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* Copyright (C) 2015, Samsung Electronics, Co., Ltd.
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* Andrzej Hajda <a.hajda@samsung.com>
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*
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* Based on MHL driver for Android devices.
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* Copyright (C) 2013-2014 Silicon Image, Inc.
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*/
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#ifndef __MHL_H__
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#define __MHL_H__
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2017-02-01 10:47:33 +03:00
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#include <linux/types.h>
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2016-10-07 10:02:40 +03:00
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/* Device Capabilities Registers */
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enum {
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MHL_DCAP_DEV_STATE,
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MHL_DCAP_MHL_VERSION,
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MHL_DCAP_CAT,
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MHL_DCAP_ADOPTER_ID_H,
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MHL_DCAP_ADOPTER_ID_L,
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MHL_DCAP_VID_LINK_MODE,
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MHL_DCAP_AUD_LINK_MODE,
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MHL_DCAP_VIDEO_TYPE,
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MHL_DCAP_LOG_DEV_MAP,
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MHL_DCAP_BANDWIDTH,
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MHL_DCAP_FEATURE_FLAG,
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MHL_DCAP_DEVICE_ID_H,
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MHL_DCAP_DEVICE_ID_L,
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MHL_DCAP_SCRATCHPAD_SIZE,
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MHL_DCAP_INT_STAT_SIZE,
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MHL_DCAP_RESERVED,
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MHL_DCAP_SIZE
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};
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#define MHL_DCAP_CAT_SINK 0x01
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#define MHL_DCAP_CAT_SOURCE 0x02
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#define MHL_DCAP_CAT_POWER 0x10
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#define MHL_DCAP_CAT_PLIM(x) ((x) << 5)
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#define MHL_DCAP_VID_LINK_RGB444 0x01
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#define MHL_DCAP_VID_LINK_YCBCR444 0x02
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#define MHL_DCAP_VID_LINK_YCBCR422 0x04
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#define MHL_DCAP_VID_LINK_PPIXEL 0x08
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#define MHL_DCAP_VID_LINK_ISLANDS 0x10
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#define MHL_DCAP_VID_LINK_VGA 0x20
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#define MHL_DCAP_VID_LINK_16BPP 0x40
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#define MHL_DCAP_AUD_LINK_2CH 0x01
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#define MHL_DCAP_AUD_LINK_8CH 0x02
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#define MHL_DCAP_VT_GRAPHICS 0x00
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#define MHL_DCAP_VT_PHOTO 0x02
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#define MHL_DCAP_VT_CINEMA 0x04
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#define MHL_DCAP_VT_GAMES 0x08
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#define MHL_DCAP_SUPP_VT 0x80
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#define MHL_DCAP_LD_DISPLAY 0x01
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#define MHL_DCAP_LD_VIDEO 0x02
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#define MHL_DCAP_LD_AUDIO 0x04
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#define MHL_DCAP_LD_MEDIA 0x08
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#define MHL_DCAP_LD_TUNER 0x10
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#define MHL_DCAP_LD_RECORD 0x20
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#define MHL_DCAP_LD_SPEAKER 0x40
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#define MHL_DCAP_LD_GUI 0x80
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#define MHL_DCAP_LD_ALL 0xFF
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#define MHL_DCAP_FEATURE_RCP_SUPPORT 0x01
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#define MHL_DCAP_FEATURE_RAP_SUPPORT 0x02
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#define MHL_DCAP_FEATURE_SP_SUPPORT 0x04
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#define MHL_DCAP_FEATURE_UCP_SEND_SUPPOR 0x08
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#define MHL_DCAP_FEATURE_UCP_RECV_SUPPORT 0x10
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#define MHL_DCAP_FEATURE_RBP_SUPPORT 0x40
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/* Extended Device Capabilities Registers */
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enum {
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MHL_XDC_ECBUS_SPEEDS,
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MHL_XDC_TMDS_SPEEDS,
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MHL_XDC_ECBUS_ROLES,
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MHL_XDC_LOG_DEV_MAPX,
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MHL_XDC_SIZE
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};
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#define MHL_XDC_ECBUS_S_075 0x01
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#define MHL_XDC_ECBUS_S_8BIT 0x02
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#define MHL_XDC_ECBUS_S_12BIT 0x04
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#define MHL_XDC_ECBUS_D_150 0x10
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#define MHL_XDC_ECBUS_D_8BIT 0x20
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#define MHL_XDC_TMDS_000 0x00
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#define MHL_XDC_TMDS_150 0x01
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#define MHL_XDC_TMDS_300 0x02
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#define MHL_XDC_TMDS_600 0x04
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/* MHL_XDC_ECBUS_ROLES flags */
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#define MHL_XDC_DEV_HOST 0x01
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#define MHL_XDC_DEV_DEVICE 0x02
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#define MHL_XDC_DEV_CHARGER 0x04
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#define MHL_XDC_HID_HOST 0x08
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#define MHL_XDC_HID_DEVICE 0x10
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/* MHL_XDC_LOG_DEV_MAPX flags */
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#define MHL_XDC_LD_PHONE 0x01
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/* Device Status Registers */
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enum {
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MHL_DST_CONNECTED_RDY,
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MHL_DST_LINK_MODE,
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MHL_DST_VERSION,
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MHL_DST_SIZE
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};
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/* Offset of DEVSTAT registers */
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#define MHL_DST_OFFSET 0x30
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#define MHL_DST_REG(name) (MHL_DST_OFFSET + MHL_DST_##name)
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#define MHL_DST_CONN_DCAP_RDY 0x01
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#define MHL_DST_CONN_XDEVCAPP_SUPP 0x02
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#define MHL_DST_CONN_POW_STAT 0x04
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#define MHL_DST_CONN_PLIM_STAT_MASK 0x38
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#define MHL_DST_LM_CLK_MODE_MASK 0x07
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#define MHL_DST_LM_CLK_MODE_PACKED_PIXEL 0x02
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#define MHL_DST_LM_CLK_MODE_NORMAL 0x03
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#define MHL_DST_LM_PATH_EN_MASK 0x08
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#define MHL_DST_LM_PATH_ENABLED 0x08
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#define MHL_DST_LM_PATH_DISABLED 0x00
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#define MHL_DST_LM_MUTED_MASK 0x10
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/* Extended Device Status Registers */
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enum {
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MHL_XDS_CURR_ECBUS_MODE,
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MHL_XDS_AVLINK_MODE_STATUS,
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MHL_XDS_AVLINK_MODE_CONTROL,
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MHL_XDS_MULTI_SINK_STATUS,
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MHL_XDS_SIZE
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};
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/* Offset of XDEVSTAT registers */
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#define MHL_XDS_OFFSET 0x90
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#define MHL_XDS_REG(name) (MHL_XDS_OFFSET + MHL_XDS_##name)
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/* MHL_XDS_REG_CURR_ECBUS_MODE flags */
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#define MHL_XDS_SLOT_MODE_8BIT 0x00
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#define MHL_XDS_SLOT_MODE_6BIT 0x01
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#define MHL_XDS_ECBUS_S 0x04
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#define MHL_XDS_ECBUS_D 0x08
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#define MHL_XDS_LINK_CLOCK_75MHZ 0x00
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#define MHL_XDS_LINK_CLOCK_150MHZ 0x10
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#define MHL_XDS_LINK_CLOCK_300MHZ 0x20
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#define MHL_XDS_LINK_CLOCK_600MHZ 0x30
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#define MHL_XDS_LINK_STATUS_NO_SIGNAL 0x00
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#define MHL_XDS_LINK_STATUS_CRU_LOCKED 0x01
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#define MHL_XDS_LINK_STATUS_TMDS_NORMAL 0x02
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#define MHL_XDS_LINK_STATUS_TMDS_RESERVED 0x03
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#define MHL_XDS_LINK_RATE_1_5_GBPS 0x00
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#define MHL_XDS_LINK_RATE_3_0_GBPS 0x01
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#define MHL_XDS_LINK_RATE_6_0_GBPS 0x02
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#define MHL_XDS_ATT_CAPABLE 0x08
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#define MHL_XDS_SINK_STATUS_1_HPD_LOW 0x00
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#define MHL_XDS_SINK_STATUS_1_HPD_HIGH 0x01
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#define MHL_XDS_SINK_STATUS_2_HPD_LOW 0x00
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#define MHL_XDS_SINK_STATUS_2_HPD_HIGH 0x04
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#define MHL_XDS_SINK_STATUS_3_HPD_LOW 0x00
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#define MHL_XDS_SINK_STATUS_3_HPD_HIGH 0x10
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#define MHL_XDS_SINK_STATUS_4_HPD_LOW 0x00
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#define MHL_XDS_SINK_STATUS_4_HPD_HIGH 0x40
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/* Interrupt Registers */
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enum {
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MHL_INT_RCHANGE,
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MHL_INT_DCHANGE,
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MHL_INT_SIZE
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};
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/* Offset of DEVSTAT registers */
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#define MHL_INT_OFFSET 0x20
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#define MHL_INT_REG(name) (MHL_INT_OFFSET + MHL_INT_##name)
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#define MHL_INT_RC_DCAP_CHG 0x01
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#define MHL_INT_RC_DSCR_CHG 0x02
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#define MHL_INT_RC_REQ_WRT 0x04
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#define MHL_INT_RC_GRT_WRT 0x08
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#define MHL_INT_RC_3D_REQ 0x10
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#define MHL_INT_RC_FEAT_REQ 0x20
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#define MHL_INT_RC_FEAT_COMPLETE 0x40
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#define MHL_INT_DC_EDID_CHG 0x02
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enum {
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MHL_ACK = 0x33, /* Command or Data byte acknowledge */
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MHL_NACK = 0x34, /* Command or Data byte not acknowledge */
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MHL_ABORT = 0x35, /* Transaction abort */
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MHL_WRITE_STAT = 0xe0, /* Write one status register */
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MHL_SET_INT = 0x60, /* Write one interrupt register */
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MHL_READ_DEVCAP_REG = 0x61, /* Read one register */
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MHL_GET_STATE = 0x62, /* Read CBUS revision level from follower */
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MHL_GET_VENDOR_ID = 0x63, /* Read vendor ID value from follower */
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MHL_SET_HPD = 0x64, /* Set Hot Plug Detect in follower */
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MHL_CLR_HPD = 0x65, /* Clear Hot Plug Detect in follower */
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MHL_SET_CAP_ID = 0x66, /* Set Capture ID for downstream device */
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MHL_GET_CAP_ID = 0x67, /* Get Capture ID from downstream device */
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MHL_MSC_MSG = 0x68, /* VS command to send RCP sub-commands */
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MHL_GET_SC1_ERRORCODE = 0x69, /* Get Vendor-Specific error code */
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MHL_GET_DDC_ERRORCODE = 0x6A, /* Get DDC channel command error code */
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MHL_GET_MSC_ERRORCODE = 0x6B, /* Get MSC command error code */
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MHL_WRITE_BURST = 0x6C, /* Write 1-16 bytes to responder's scratchpad */
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MHL_GET_SC3_ERRORCODE = 0x6D, /* Get channel 3 command error code */
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MHL_WRITE_XSTAT = 0x70, /* Write one extended status register */
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MHL_READ_XDEVCAP_REG = 0x71, /* Read one extended devcap register */
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/* let the rest of these float, they are software specific */
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MHL_READ_EDID_BLOCK,
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MHL_SEND_3D_REQ_OR_FEAT_REQ,
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MHL_READ_DEVCAP,
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MHL_READ_XDEVCAP
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};
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/* MSC message types */
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enum {
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MHL_MSC_MSG_RCP = 0x10, /* RCP sub-command */
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MHL_MSC_MSG_RCPK = 0x11, /* RCP Acknowledge sub-command */
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MHL_MSC_MSG_RCPE = 0x12, /* RCP Error sub-command */
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MHL_MSC_MSG_RAP = 0x20, /* Mode Change Warning sub-command */
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MHL_MSC_MSG_RAPK = 0x21, /* MCW Acknowledge sub-command */
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MHL_MSC_MSG_RBP = 0x22, /* Remote Button Protocol sub-command */
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MHL_MSC_MSG_RBPK = 0x23, /* RBP Acknowledge sub-command */
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MHL_MSC_MSG_RBPE = 0x24, /* RBP Error sub-command */
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MHL_MSC_MSG_UCP = 0x30, /* UCP sub-command */
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MHL_MSC_MSG_UCPK = 0x31, /* UCP Acknowledge sub-command */
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MHL_MSC_MSG_UCPE = 0x32, /* UCP Error sub-command */
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MHL_MSC_MSG_RUSB = 0x40, /* Request USB host role */
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MHL_MSC_MSG_RUSBK = 0x41, /* Acknowledge request for USB host role */
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MHL_MSC_MSG_RHID = 0x42, /* Request HID host role */
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MHL_MSC_MSG_RHIDK = 0x43, /* Acknowledge request for HID host role */
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MHL_MSC_MSG_ATT = 0x50, /* Request attention sub-command */
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MHL_MSC_MSG_ATTK = 0x51, /* ATT Acknowledge sub-command */
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MHL_MSC_MSG_BIST_TRIGGER = 0x60,
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MHL_MSC_MSG_BIST_REQUEST_STAT = 0x61,
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MHL_MSC_MSG_BIST_READY = 0x62,
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MHL_MSC_MSG_BIST_STOP = 0x63,
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};
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/* RAP action codes */
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#define MHL_RAP_POLL 0x00 /* Just do an ack */
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#define MHL_RAP_CONTENT_ON 0x10 /* Turn content stream ON */
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#define MHL_RAP_CONTENT_OFF 0x11 /* Turn content stream OFF */
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#define MHL_RAP_CBUS_MODE_DOWN 0x20
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#define MHL_RAP_CBUS_MODE_UP 0x21
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/* RAPK status codes */
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#define MHL_RAPK_NO_ERR 0x00 /* RAP action recognized & supported */
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#define MHL_RAPK_UNRECOGNIZED 0x01 /* Unknown RAP action code received */
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#define MHL_RAPK_UNSUPPORTED 0x02 /* Rcvd RAP action code not supported */
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#define MHL_RAPK_BUSY 0x03 /* Responder too busy to respond */
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2017-08-24 11:58:07 +03:00
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/* Bit masks for RCP messages */
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#define MHL_RCP_KEY_RELEASED_MASK 0x80
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#define MHL_RCP_KEY_ID_MASK 0x7F
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2016-10-07 10:02:40 +03:00
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/*
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* Error status codes for RCPE messages
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*/
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/* No error. (Not allowed in RCPE messages) */
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#define MHL_RCPE_STATUS_NO_ERROR 0x00
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/* Unsupported/unrecognized key code */
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#define MHL_RCPE_STATUS_INEFFECTIVE_KEY_CODE 0x01
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/* Responder busy. Initiator may retry message */
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#define MHL_RCPE_STATUS_BUSY 0x02
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/*
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* Error status codes for RBPE messages
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*/
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/* No error. (Not allowed in RBPE messages) */
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#define MHL_RBPE_STATUS_NO_ERROR 0x00
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/* Unsupported/unrecognized button code */
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#define MHL_RBPE_STATUS_INEFFECTIVE_BUTTON_CODE 0x01
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/* Responder busy. Initiator may retry message */
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#define MHL_RBPE_STATUS_BUSY 0x02
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/*
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* Error status codes for UCPE messages
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*/
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/* No error. (Not allowed in UCPE messages) */
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#define MHL_UCPE_STATUS_NO_ERROR 0x00
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/* Unsupported/unrecognized key code */
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#define MHL_UCPE_STATUS_INEFFECTIVE_KEY_CODE 0x01
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2017-02-01 10:47:33 +03:00
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enum mhl_burst_id {
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MHL_BURST_ID_3D_VIC = 0x10,
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MHL_BURST_ID_3D_DTD = 0x11,
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MHL_BURST_ID_HEV_VIC = 0x20,
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MHL_BURST_ID_HEV_DTDA = 0x21,
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MHL_BURST_ID_HEV_DTDB = 0x22,
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MHL_BURST_ID_VC_ASSIGN = 0x38,
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MHL_BURST_ID_VC_CONFIRM = 0x39,
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MHL_BURST_ID_AUD_DELAY = 0x40,
|
|
|
|
MHL_BURST_ID_ADT_BURSTID = 0x41,
|
|
|
|
MHL_BURST_ID_BIST_SETUP = 0x51,
|
|
|
|
MHL_BURST_ID_BIST_RETURN_STAT = 0x52,
|
|
|
|
MHL_BURST_ID_EMSC_SUPPORT = 0x61,
|
|
|
|
MHL_BURST_ID_HID_PAYLOAD = 0x62,
|
|
|
|
MHL_BURST_ID_BLK_RCV_BUFFER_INFO = 0x63,
|
|
|
|
MHL_BURST_ID_BITS_PER_PIXEL_FMT = 0x64,
|
|
|
|
};
|
|
|
|
|
|
|
|
struct mhl_burst_blk_rcv_buffer_info {
|
|
|
|
__be16 id;
|
|
|
|
__le16 size;
|
|
|
|
} __packed;
|
|
|
|
|
|
|
|
struct mhl3_burst_header {
|
|
|
|
__be16 id;
|
|
|
|
u8 checksum;
|
|
|
|
u8 total_entries;
|
|
|
|
u8 sequence_index;
|
|
|
|
} __packed;
|
|
|
|
|
|
|
|
struct mhl_burst_bits_per_pixel_fmt {
|
|
|
|
struct mhl3_burst_header hdr;
|
|
|
|
u8 num_entries;
|
|
|
|
struct {
|
|
|
|
u8 stream_id;
|
|
|
|
u8 pixel_format;
|
2020-03-05 14:00:11 +03:00
|
|
|
} __packed desc[];
|
2017-02-01 10:47:33 +03:00
|
|
|
} __packed;
|
|
|
|
|
|
|
|
struct mhl_burst_emsc_support {
|
|
|
|
struct mhl3_burst_header hdr;
|
|
|
|
u8 num_entries;
|
2020-03-05 14:00:11 +03:00
|
|
|
__be16 burst_id[];
|
2017-02-01 10:47:33 +03:00
|
|
|
} __packed;
|
|
|
|
|
|
|
|
struct mhl_burst_audio_descr {
|
|
|
|
struct mhl3_burst_header hdr;
|
|
|
|
u8 flags;
|
|
|
|
u8 short_desc[9];
|
|
|
|
} __packed;
|
|
|
|
|
2017-02-01 10:47:46 +03:00
|
|
|
/*
|
|
|
|
* MHL3 infoframe related definitions
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define MHL3_IEEE_OUI 0x7ca61d
|
|
|
|
#define MHL3_INFOFRAME_SIZE 15
|
|
|
|
|
|
|
|
enum mhl3_video_format {
|
|
|
|
MHL3_VIDEO_FORMAT_NONE,
|
|
|
|
MHL3_VIDEO_FORMAT_3D,
|
|
|
|
MHL3_VIDEO_FORMAT_MULTI_VIEW,
|
|
|
|
MHL3_VIDEO_FORMAT_DUAL_3D
|
|
|
|
};
|
|
|
|
|
|
|
|
enum mhl3_3d_format_type {
|
|
|
|
MHL3_3D_FORMAT_TYPE_FS, /* frame sequential */
|
|
|
|
MHL3_3D_FORMAT_TYPE_TB, /* top-bottom */
|
|
|
|
MHL3_3D_FORMAT_TYPE_LR, /* left-right */
|
|
|
|
MHL3_3D_FORMAT_TYPE_FS_TB, /* frame sequential, top-bottom */
|
|
|
|
MHL3_3D_FORMAT_TYPE_FS_LR, /* frame sequential, left-right */
|
|
|
|
MHL3_3D_FORMAT_TYPE_TB_LR /* top-bottom, left-right */
|
|
|
|
};
|
|
|
|
|
|
|
|
struct mhl3_infoframe {
|
|
|
|
unsigned char version;
|
|
|
|
enum mhl3_video_format video_format;
|
|
|
|
enum mhl3_3d_format_type format_type;
|
|
|
|
bool sep_audio;
|
|
|
|
int hev_format;
|
|
|
|
int av_delay;
|
|
|
|
};
|
|
|
|
|
2016-10-07 10:02:40 +03:00
|
|
|
#endif /* __MHL_H__ */
|