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linux-stable/include/linux/usb/pd_vdo.h
Kyle Tso 31737c27d6 usb: pd: Make SVDM Version configurable in VDM header 
PD Rev 3.0 introduces SVDM Version 2.0. This patch makes the field
configuable in the header in order to be able to be compatible with
older SVDM version.

Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210205033415.3320439-3-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-02-09 11:48:54 +01:00

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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
* <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:
* [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 (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_PTYPE_DFP_PB 3
/* ID Header Mask */
#define IDH_DFP_MASK GENMASK(25, 23)
#define IDH_CONN_MASK GENMASK(22, 21)
#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid) \
((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27 \
| (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21 \
| ((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))
#define PD_IDH_DFP_PTYPE(vdo) (((vdo) >> 23) & 0x7)
#define PD_IDH_CONN_TYPE(vdo) (((vdo) >> 21) & 0x3)
/*
* Cert Stat VDO
* -------------
* <31:0> : USB-IF assigned XID for this cable
*/
#define PD_CSTAT_XID(vdo) (vdo)
#define VDO_CERT(xid) ((xid) & 0xffffffff)
/*
* 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)
/*
* UFP VDO (PD Revision 3.0+ only)
* --------
* <31:29> :: UFP VDO version
* <28> :: Reserved
* <27:24> :: Device capability
* <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
* <21:11> :: Reserved
* <10:8> :: Vconn power (AMA only)
* <7> :: Vconn required (AMA only, 0b == no, 1b == yes)
* <6> :: Vbus required (AMA only, 0b == yes, 1b == no)
* <5:3> :: Alternate modes
* <2:0> :: USB highest speed
*/
#define PD_VDO_UFP_DEVCAP(vdo) (((vdo) & GENMASK(27, 24)) >> 24)
/* UFP VDO Version */
#define UFP_VDO_VER1_2 2
/* Device Capability */
#define DEV_USB2_CAPABLE BIT(0)
#define DEV_USB2_BILLBOARD BIT(1)
#define DEV_USB3_CAPABLE BIT(2)
#define DEV_USB4_CAPABLE BIT(3)
/* Connector Type */
#define UFP_RECEPTACLE 2
#define UFP_CAPTIVE 3
/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
#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
/* Vconn Required (AMA only) */
#define AMA_VCONN_NOT_REQ 0
#define AMA_VCONN_REQ 1
/* Vbus Required (AMA only) */
#define AMA_VBUS_REQ 0
#define AMA_VBUS_NOT_REQ 1
/* Alternate Modes */
#define UFP_ALTMODE_NOT_SUPP 0
#define UFP_ALTMODE_TBT3 BIT(0)
#define UFP_ALTMODE_RECFG BIT(1)
#define UFP_ALTMODE_NO_RECFG BIT(2)
/* USB Highest Speed */
#define UFP_USB2_ONLY 0
#define UFP_USB32_GEN1 1
#define UFP_USB32_4_GEN2 2
#define UFP_USB4_GEN3 3
#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd) \
(((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22 \
| ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3 \
| ((spd) & 0x7))
/*
* DFP VDO (PD Revision 3.0+ only)
* --------
* <31:29> :: DFP VDO version
* <28:27> :: Reserved
* <26:24> :: Host capability
* <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
* <21:5> :: Reserved
* <4:0> :: Port number
*/
#define PD_VDO_DFP_HOSTCAP(vdo) (((vdo) & GENMASK(26, 24)) >> 24)
#define DFP_VDO_VER1_1 1
#define HOST_USB2_CAPABLE BIT(0)
#define HOST_USB3_CAPABLE BIT(1)
#define HOST_USB4_CAPABLE BIT(2)
#define DFP_RECEPTACLE 2
#define DFP_CAPTIVE 3
#define VDO_DFP(ver, cap, conn, pnum) \
(((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22 \
| ((pnum) & 0x1f))
/*
* Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
* ---------
* <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/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
* <17> :: Reserved, Shall be set to zero
* <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 (01b == 3A, 10b == 5A)
* <4> :: Vbus through cable (0b == no, 1b == yes)
* <3> :: SOP" controller present? (0b == no, 1b == yes)
* <2:0> :: USB SS Signaling support
*
* Passive Cable VDO (PD Rev3.0+)
* ---------
* <31:28> :: Cable HW version
* <27:24> :: Cable FW version
* <23:21> :: VDO version
* <20> :: Reserved, Shall be set to zero
* <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
* <17> :: Reserved, Shall be set to zero
* <16:13> :: cable latency (0001 == <10ns(~1m length))
* <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
* <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
* <8:7> :: Reserved, Shall be set to zero
* <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
* <4:3> :: Reserved, Shall be set to zero
* <2:0> :: USB highest speed
*
* Active Cable VDO 1 (PD Rev3.0+)
* ---------
* <31:28> :: Cable HW version
* <27:24> :: Cable FW version
* <23:21> :: VDO version
* <20> :: Reserved, Shall be set to zero
* <19:18> :: Connector type (10b == C, 11b == Captive)
* <17> :: Reserved, Shall be set to zero
* <16:13> :: cable latency (0001 == <10ns(~1m length))
* <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
* <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
* <8> :: SBU supported (0b == supported, 1b == not supported)
* <7> :: SBU type (0b == passive, 1b == active)
* <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
* <4> :: Vbus through cable (0b == no, 1b == yes)
* <3> :: SOP" controller present? (0b == no, 1b == yes)
* <2:0> :: USB highest speed
*/
/* Cable VDO Version */
#define CABLE_VDO_VER1_0 0
#define CABLE_VDO_VER1_3 3
/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
#define CABLE_ATYPE 0
#define CABLE_BTYPE 1
#define CABLE_CTYPE 2
#define CABLE_CAPTIVE 3
/* Cable Latency */
#define CABLE_LATENCY_1M 1
#define CABLE_LATENCY_2M 2
#define CABLE_LATENCY_3M 3
#define CABLE_LATENCY_4M 4
#define CABLE_LATENCY_5M 5
#define CABLE_LATENCY_6M 6
#define CABLE_LATENCY_7M 7
#define CABLE_LATENCY_7M_PLUS 8
/* Cable Termination Type */
#define PCABLE_VCONN_NOT_REQ 0
#define PCABLE_VCONN_REQ 1
#define ACABLE_ONE_END 2
#define ACABLE_BOTH_END 3
/* Maximum Vbus Voltage */
#define CABLE_MAX_VBUS_20V 0
#define CABLE_MAX_VBUS_30V 1
#define CABLE_MAX_VBUS_40V 2
#define CABLE_MAX_VBUS_50V 3
/* Active Cable SBU Supported/Type */
#define ACABLE_SBU_SUPP 0
#define ACABLE_SBU_NOT_SUPP 1
#define ACABLE_SBU_PASSIVE 0
#define ACABLE_SBU_ACTIVE 1
/* Vbus Current Handling Capability */
#define CABLE_CURR_DEF 0
#define CABLE_CURR_3A 1
#define CABLE_CURR_5A 2
/* USB SuperSpeed Signaling Support (PD Rev2.0) */
#define CABLE_USBSS_U2_ONLY 0
#define CABLE_USBSS_U31_GEN1 1
#define CABLE_USBSS_U31_GEN2 2
/* USB Highest Speed */
#define CABLE_USB2_ONLY 0
#define CABLE_USB32_GEN1 1
#define CABLE_USB32_4_GEN2 2
#define CABLE_USB4_GEN3 3
#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18 \
| ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10 \
| (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5 \
| (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd) \
(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
| ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
| ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
| ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
| ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5 \
| (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
#define VDO_TYPEC_CABLE_TYPE(vdo) (((vdo) >> 18) & 0x3)
/*
* Active Cable VDO 2
* ---------
* <31:24> :: Maximum operating temperature
* <23:16> :: Shutdown temperature
* <15> :: Reserved, Shall be set to zero
* <14:12> :: U3/CLd power
* <11> :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
* <10> :: Physical connection (0b == copper, 1b == optical)
* <9> :: Active element (0b == redriver, 1b == retimer)
* <8> :: USB4 supported (0b == yes, 1b == no)
* <7:6> :: USB2 hub hops consumed
* <5> :: USB2 supported (0b == yes, 1b == no)
* <4> :: USB3.2 supported (0b == yes, 1b == no)
* <3> :: USB lanes supported (0b == one lane, 1b == two lanes)
* <2> :: Optically isolated active cable (0b == no, 1b == yes)
* <1> :: Reserved, Shall be set to zero
* <0> :: USB gen (0b == gen1, 1b == gen2+)
*/
/* U3/CLd Power*/
#define ACAB2_U3_CLD_10MW_PLUS 0
#define ACAB2_U3_CLD_10MW 1
#define ACAB2_U3_CLD_5MW 2
#define ACAB2_U3_CLD_1MW 3
#define ACAB2_U3_CLD_500UW 4
#define ACAB2_U3_CLD_200UW 5
#define ACAB2_U3_CLD_50UW 6
/* Other Active Cable VDO 2 Fields */
#define ACAB2_U3U0_DIRECT 0
#define ACAB2_U3U0_U3S 1
#define ACAB2_PHY_COPPER 0
#define ACAB2_PHY_OPTICAL 1
#define ACAB2_REDRIVER 0
#define ACAB2_RETIMER 1
#define ACAB2_USB4_SUPP 0
#define ACAB2_USB4_NOT_SUPP 1
#define ACAB2_USB2_SUPP 0
#define ACAB2_USB2_NOT_SUPP 1
#define ACAB2_USB32_SUPP 0
#define ACAB2_USB32_NOT_SUPP 1
#define ACAB2_LANES_ONE 0
#define ACAB2_LANES_TWO 1
#define ACAB2_OPT_ISO_NO 0
#define ACAB2_OPT_ISO_YES 1
#define ACAB2_GEN_1 0
#define ACAB2_GEN_2_PLUS 1
#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen) \
(((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12 \
| (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8 \
| ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3 \
| (iso) << 2 | (gen))
/*
* AMA VDO (PD Rev2.0)
* ---------
* <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_USBSS_U2_ONLY 0
#define AMA_USBSS_U31_GEN1 1
#define AMA_USBSS_U31_GEN2 2
#define AMA_USBSS_BBONLY 3
/*
* VPD VDO
* ---------
* <31:28> :: HW version
* <27:24> :: FW version
* <23:21> :: VDO version
* <20:17> :: Reserved, Shall be set to zero
* <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
* <14> :: Charge through current support (0b == 3A, 1b == 5A)
* <13> :: Reserved, Shall be set to zero
* <12:7> :: Vbus impedance
* <6:1> :: Ground impedance
* <0> :: Charge through support (0b == no, 1b == yes)
*/
#define VPD_VDO_VER1_0 0
#define VPD_MAX_VBUS_20V 0
#define VPD_MAX_VBUS_30V 1
#define VPD_MAX_VBUS_40V 2
#define VPD_MAX_VBUS_50V 3
#define VPDCT_CURR_3A 0
#define VPDCT_CURR_5A 1
#define VPDCT_NOT_SUPP 0
#define VPDCT_SUPP 1
#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct) \
(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
| ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7 \
| ((gi) & 0x3f) << 1 | (ct))
/*
* SVDM Discover SVIDs request -> response
*
* Request is properly formatted VDM Header with discover SVIDs command.
* Response is a set of SVIDs of 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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