9.8 ˆภฟ „ Ÿ_†I|ฅ+รย?๗/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 2015-2017 Google, Inc */ #ifndef __LINUX_USB_PD_VDO_H #define __LINUX_USB_PD_VDO_H #include "pd.h" #include /* * VDO : Vendor Defined Message Object * VDM object is minimum of VDM header + 6 additional data objects. */ #define VDO_MAX_OBJECTS 6 #define VDO_MAX_SIZE (VDO_MAX_OBJECTS + 1) /* * VDM header * ---------- * <31:16> :: SVID * <15> :: VDM type ( 1b == structured, 0b == unstructured ) * <14:13> :: Structured VDM version * <12:11> :: reserved * <10:8> :: object position (1-7 valid ... used for enter/exit mode only) * <7:6> :: command type (SVDM only?) * <5> :: reserved (SVDM), command type (UVDM) * <4:0> :: command */ #define VDO(vid, type, ver, custom) \ (((vid) << 16) | \ ((type) << 15) | \ ((ver) << 13) | \ ((custom) & 0x7FFF)) #define VDO_SVDM_TYPE (1 << 15) #define VDO_SVDM_VERS(x) ((x) << 13) #define VDO_OPOS(x) ((x) << 8) #define VDO_CMDT(x) ((x) << 6) #define VDO_SVDM_VERS_MASK VDO_SVDM_VERS(0x3) #define VDO_OPOS_MASK VDO_OPOS(0x7) #define VDO_CMDT_MASK VDO_CMDT(0x3) #define CMDT_INIT 0 #define CMDT_RSP_ACK 1 #define CMDT_RSP_NAK 2 #define CMDT_RSP_BUSY 3 /* reserved for SVDM ... for Google UVDM */ #define VDO_SRC_INITIATOR (0 << 5) #define VDO_SRC_RESPONDER (1 << 5) #define CMD_DISCOVER_IDENT 1 #define CMD_DISCOVER_SVID 2 #define CMD_DISCOVER_MODES 3 #define CMD_ENTER_MODE 4 #define CMD_EXIT_MODE 5 #define CMD_ATTENTION 6 #define VDO_CMD_VENDOR(x) (((0x10 + (x)) & 0x1f)) /* ChromeOS specific commands */ #define VDO_CMD_VERSION VDO_CMD_VENDOR(0) #define VDO_CMD_SEND_INFO VDO_CMD_VENDOR(1) #define VDO_CMD_READ_INFO VDO_CMD_VENDOR(2) #define VDO_CMD_REBOOT VDO_CMD_VENDOR(5) #define VDO_CMD_FLASH_ERASE VDO_CMD_VENDOR(6) #define VDO_CMD_FLASH_WRITE VDO_CMD_VENDOR(7) #define VDO_CMD_ERASE_SIG VDO_CMD_VENDOR(8) #define VDO_CMD_PING_ENABLE VDO_CMD_VENDOR(10) #define VDO_CMD_CURRENT VDO_CMD_VENDOR(11) #define VDO_CMD_FLIP VDO_CMD_VENDOR(12) #define VDO_CMD_GET_LOG VDO_CMD_VENDOR(13) #define VDO_CMD_CCD_EN VDO_CMD_VENDOR(14) #define PD_VDO_VID(vdo) ((vdo) >> 16) #define PD_VDO_SVDM(vdo) (((vdo) >> 15) & 1) #define PD_VDO_SVDM_VER(vdo) (((vdo) >> 13) & 0x3) #define PD_VDO_OPOS(vdo) (((vdo) >> 8) & 0x7) #define PD_VDO_CMD(vdo) ((vdo) & 0x1f) #define PD_VDO_CMDT(vdo) (((vdo) >> 6) & 0x3) /* * SVDM Identity request -> response * * Request is simply properly formatted SVDM header * * Response is 4 data objects for Power Delivery 2.0 and Passive Cables for * Power Delivery 3.0. Active Cables in Power Delivery 3.0 have 5 data objects. * [0] :: SVDM header * [1] :: Identitiy header * [2] :: Cert Stat VDO * [3] :: (Product | Cable) VDO * [4] :: Cable VDO 1 * [4] :: AMA VDO * [5] :: Cable VDO 2 * */ #define VDO_INDEX_HDR 0 #define VDO_INDEX_IDH 1 #define VDO_INDEX_CSTAT 2 #define VDO_INDEX_CABLE 3 #define VDO_INDEX_PRODUCT 3 #define VDO_INDEX_AMA 4 #define VDO_INDEX_CABLE_1 4 #define VDO_INDEX_CABLE_2 5 /* * SVDM Identity Header * -------------------- * <31> :: data capable as a USB host * <30> :: data capable as a USB device * <29:27> :: product type (UFP / Cable / VPD) * <26> :: modal operation supported (1b == yes) * <25:23> :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0) * <22:21> :: connector type (SVDM version 2.0+ only; set to zero in version 1.0) * <20:16> :: Reserved, Shall be set to zero * <15:0> :: USB-IF assigned VID for this cable vendor */ /* PD Rev2.0 definition */ #define IDH_PTYPE_UNDEF 0 /* SOP Product Type (UFP) */ #define IDH_PTYPE_NOT_UFP 0 #define IDH_PTYPE_HUB 1 #define IDH_PTYPE_PERIPH 2 #define IDH_PTYPE_PSD 3 #define IDH_PTYPE_AMA 5 /* SOP' Product Type (Cable Plug / VPD) */ #define IDH_PTYPE_NOT_CABLE 0 #define IDH_PTYPE_PCABLE 3 #define IDH_PTYPE_ACABLE 4 #define IDH_PTYPE_VPD 6 /* SOP Product Type (DFP) */ #define IDH_PTYPE_NOT_DFP 0 #define IDH_PTYPE_DFP_HUB 1 #define IDH_PTYPE_DFP_HOST 2 #define IDH