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/* 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" / * 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 (can only be 00 == 1.0 currently) * <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, custom) \ (((vid) << 16) \| \ ((type) << 15) \| \ ((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_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_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: * [0] :: SVDM header * [1] :: Identitiy header * [2] :: Cert Stat VDO * [3] :: (Product \| Cable) VDO * [4] :: AMA VDO * / #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 / * SVDM Identity Header * -------------------- * <31> :: data capable as a USB host * <30> :: data capable as a USB device * <29:27> :: product type * <26> :: modal operation supported (1b == yes) * <25:16> :: Reserved, Shall be set to zero * <15:0> :: USB-IF assigned VID for this cable vendor / #define IDH_PTYPE_UNDEF 0 #define IDH_PTYPE_HUB 1 #define IDH_PTYPE_PERIPH 2 #define IDH_PTYPE_PCABLE 3 #define IDH_PTYPE_ACABLE 4 #define IDH_PTYPE_AMA 5 #define VDO_IDH(usbh, usbd, ptype, is_modal, vid) \ ((usbh) << 31 \| (usbd) << 30 \| ((ptype) & 0x7) << 27 \ \| (is_modal) << 26 \| ((vid) & 0xffff)) #define PD_IDH_PTYPE(vdo) (((vdo) >> 27) & 0x7) #define PD_IDH_VID(vdo) ((vdo) & 0xffff) #define PD_IDH_MODAL_SUPP(vdo) ((vdo) & (1 << 26)) / * Cert Stat VDO * ------------- * <31:0> : USB-IF assigned XID for this cable / #define PD_CSTAT_XID(vdo) (vdo) / * Product VDO * ----------- * <31:16> : USB Product ID * <15:0> : USB bcdDevice / #define VDO_PRODUCT(pid, bcd) (((pid) & 0xffff) << 16 \| ((bcd) & 0xffff)) #define PD_PRODUCT_PID(vdo) (((vdo) >> 16) & 0xffff) / * Cable VDO * --------- * <31:28> :: Cable HW version * <27:24> :: Cable FW version * <23:20> :: Reserved, Shall be set to zero * <19:18> :: type-C to Type-A/B/C (00b == A, 01 == B, 10 == C) * <17> :: Type-C to Plug/Receptacle (0b == plug, 1b == receptacle) * <16:13> :: cable latency (0001 == <10ns(~1m length)) * <12:11> :: cable termination type (11b == both ends active VCONN req) * <10> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable) * <9> :: SSTX2 Directionality support * <8> :: SSRX1 Directionality support * <7> :: SSRX2 Directionality support * <6:5> :: Vbus current handling capability * <4> :: Vbus through cable (0b == no, 1b == yes) * <3> :: SOP" controller present? (0b == no, 1b == yes) * <2:0> :: USB SS Signaling support / #define CABLE_ATYPE 0 #define CABLE_BTYPE 1 #define CABLE_CTYPE 2 #define CABLE_PLUG 0 #define CABLE_RECEPTACLE 1 #define CABLE_CURR_1A5 0 #define CABLE_CURR_3A 1 #define CABLE_CURR_5A 2 #define CABLE_USBSS_U2_ONLY 0 #define CABLE_USBSS_U31_GEN1 1 #define CABLE_USBSS_U31_GEN2 2 #define VDO_CABLE(hw, fw, cbl, gdr, lat, term, tx1d, tx2d, rx1d, rx2d, cur,\ vps, sopp, usbss) \ (((hw) & 0x7) << 28 \| ((fw) & 0x7) << 24 \| ((cbl) & 0x3) << 18 \ \| (gdr) << 17 \| ((lat) & 0x7) << 13 \| ((term) & 0x3) << 11 \ \| (tx1d) << 10 \| (tx2d) << 9 \| (rx1d) << 8 \| (rx2d) << 7 \ \| ((cur) & 0x3) << 5 \| (vps) << 4 \| (sopp) << 3 \ \| ((usbss) & 0x7)) / * AMA VDO * --------- * <31:28> :: Cable HW version * <27:24> :: Cable FW version * <23:12> :: Reserved, Shall be set to zero * <11> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable) * <10> :: SSTX2 Directionality support * <9> :: SSRX1 Directionality support * <8> :: SSRX2 Directionality support * <7:5> :: Vconn power * <4> :: Vconn power required * <3> :: Vbus power required * <2:0> :: USB SS Signaling support / #define VDO_AMA(hw, fw, tx1d, tx2d, rx1d, rx2d, vcpwr, vcr, vbr, usbss) \ (((hw) & 0x7) << 28 \| ((fw) & 0x7) << 24 \ \| (tx1d) << 11 \| (tx2d) << 10 \| (rx1d) << 9 \| (rx2d) << 8 \ \| ((vcpwr) & 0x7) << 5 \| (vcr) << 4 \| (vbr) << 3 \ \| ((usbss) & 0x7)) #define PD_VDO_AMA_VCONN_REQ(vdo) (((vdo) >> 4) & 1) #define PD_VDO_AMA_VBUS_REQ(vdo) (((vdo) >> 3) & 1) #define AMA_VCONN_PWR_1W 0 #define AMA_VCONN_PWR_1W5 1 #define AMA_VCONN_PWR_2W 2 #define AMA_VCONN_PWR_3W 3 #define AMA_VCONN_PWR_4W 4 #define AMA_VCONN_PWR_5W 5 #define AMA_VCONN_PWR_6W 6 #define AMA_USBSS_U2_ONLY 0 #define AMA_USBSS_U31_GEN1 1 #define AMA_USBSS_U31_GEN2 2 #define AMA_USBSS_BBONLY 3 / * SVDM Discover SVIDs request -> response * * Request is properly formatted VDM Header with discover SVIDs command. * Response is a set of SVIDs of all all supported SVIDs with all zero's to * mark the end of SVIDs. If more than 12 SVIDs are supported command SHOULD be * repeated. / #define VDO_SVID(svid0, svid1) (((svid0) & 0xffff) << 16 \| ((svid1) & 0xffff)) #define PD_VDO_SVID_SVID0(vdo) ((vdo) >> 16) #define PD_VDO_SVID_SVID1(vdo) ((vdo) & 0xffff) / USB-IF SIDs / #define USB_SID_PD 0xff00 / power delivery / #define USB_SID_DISPLAYPORT 0xff01 #define USB_SID_MHL 0xff02 / Mobile High-Definition Link / / VDM command timeouts (in ms) / #define PD_T_VDM_UNSTRUCTURED 500 #define PD_T_VDM_BUSY 100 #define PD_T_VDM_WAIT_MODE_E 100 #define PD_T_VDM_SNDR_RSP 30 #define PD_T_VDM_E_MODE 25 #define PD_T_VDM_RCVR_RSP 15 #endif / __LINUX_USB_PD_VDO_H */

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