cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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pd_vdo.h (16554B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * Copyright 2015-2017 Google, Inc
      4 */
      5
      6#ifndef __LINUX_USB_PD_VDO_H
      7#define __LINUX_USB_PD_VDO_H
      8
      9#include "pd.h"
     10
     11/*
     12 * VDO : Vendor Defined Message Object
     13 * VDM object is minimum of VDM header + 6 additional data objects.
     14 */
     15
     16#define VDO_MAX_OBJECTS		6
     17#define VDO_MAX_SIZE		(VDO_MAX_OBJECTS + 1)
     18
     19/*
     20 * VDM header
     21 * ----------
     22 * <31:16>  :: SVID
     23 * <15>     :: VDM type ( 1b == structured, 0b == unstructured )
     24 * <14:13>  :: Structured VDM version
     25 * <12:11>  :: reserved
     26 * <10:8>   :: object position (1-7 valid ... used for enter/exit mode only)
     27 * <7:6>    :: command type (SVDM only?)
     28 * <5>      :: reserved (SVDM), command type (UVDM)
     29 * <4:0>    :: command
     30 */
     31#define VDO(vid, type, ver, custom)			\
     32	(((vid) << 16) |				\
     33	 ((type) << 15) |				\
     34	 ((ver) << 13) |				\
     35	 ((custom) & 0x7FFF))
     36
     37#define VDO_SVDM_TYPE		(1 << 15)
     38#define VDO_SVDM_VERS(x)	((x) << 13)
     39#define VDO_OPOS(x)		((x) << 8)
     40#define VDO_CMDT(x)		((x) << 6)
     41#define VDO_SVDM_VERS_MASK	VDO_SVDM_VERS(0x3)
     42#define VDO_OPOS_MASK		VDO_OPOS(0x7)
     43#define VDO_CMDT_MASK		VDO_CMDT(0x3)
     44
     45#define CMDT_INIT		0
     46#define CMDT_RSP_ACK		1
     47#define CMDT_RSP_NAK		2
     48#define CMDT_RSP_BUSY		3
     49
     50/* reserved for SVDM ... for Google UVDM */
     51#define VDO_SRC_INITIATOR	(0 << 5)
     52#define VDO_SRC_RESPONDER	(1 << 5)
     53
     54#define CMD_DISCOVER_IDENT	1
     55#define CMD_DISCOVER_SVID	2
     56#define CMD_DISCOVER_MODES	3
     57#define CMD_ENTER_MODE		4
     58#define CMD_EXIT_MODE		5
     59#define CMD_ATTENTION		6
     60
     61#define VDO_CMD_VENDOR(x)    (((0x10 + (x)) & 0x1f))
     62
     63/* ChromeOS specific commands */
     64#define VDO_CMD_VERSION		VDO_CMD_VENDOR(0)
     65#define VDO_CMD_SEND_INFO	VDO_CMD_VENDOR(1)
     66#define VDO_CMD_READ_INFO	VDO_CMD_VENDOR(2)
     67#define VDO_CMD_REBOOT		VDO_CMD_VENDOR(5)
     68#define VDO_CMD_FLASH_ERASE	VDO_CMD_VENDOR(6)
     69#define VDO_CMD_FLASH_WRITE	VDO_CMD_VENDOR(7)
     70#define VDO_CMD_ERASE_SIG	VDO_CMD_VENDOR(8)
     71#define VDO_CMD_PING_ENABLE	VDO_CMD_VENDOR(10)
     72#define VDO_CMD_CURRENT		VDO_CMD_VENDOR(11)
     73#define VDO_CMD_FLIP		VDO_CMD_VENDOR(12)
     74#define VDO_CMD_GET_LOG		VDO_CMD_VENDOR(13)
     75#define VDO_CMD_CCD_EN		VDO_CMD_VENDOR(14)
     76
     77#define PD_VDO_VID(vdo)		((vdo) >> 16)
     78#define PD_VDO_SVDM(vdo)	(((vdo) >> 15) & 1)
     79#define PD_VDO_SVDM_VER(vdo)	(((vdo) >> 13) & 0x3)
     80#define PD_VDO_OPOS(vdo)	(((vdo) >> 8) & 0x7)
     81#define PD_VDO_CMD(vdo)		((vdo) & 0x1f)
     82#define PD_VDO_CMDT(vdo)	(((vdo) >> 6) & 0x3)
     83
     84/*
     85 * SVDM Identity request -> response
     86 *
     87 * Request is simply properly formatted SVDM header
     88 *
     89 * Response is 4 data objects:
     90 * [0] :: SVDM header
     91 * [1] :: Identitiy header
     92 * [2] :: Cert Stat VDO
     93 * [3] :: (Product | Cable) VDO
     94 * [4] :: AMA VDO
     95 *
     96 */
     97#define VDO_INDEX_HDR		0
     98#define VDO_INDEX_IDH		1
     99#define VDO_INDEX_CSTAT		2
    100#define VDO_INDEX_CABLE		3
    101#define VDO_INDEX_PRODUCT	3
    102#define VDO_INDEX_AMA		4
    103
    104/*
    105 * SVDM Identity Header
    106 * --------------------
    107 * <31>     :: data capable as a USB host
    108 * <30>     :: data capable as a USB device
    109 * <29:27>  :: product type (UFP / Cable / VPD)
    110 * <26>     :: modal operation supported (1b == yes)
    111 * <25:23>  :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
    112 * <22:21>  :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
    113 * <20:16>  :: Reserved, Shall be set to zero
    114 * <15:0>   :: USB-IF assigned VID for this cable vendor
    115 */
    116
    117/* PD Rev2.0 definition */
    118#define IDH_PTYPE_UNDEF		0
    119
    120/* SOP Product Type (UFP) */
    121#define IDH_PTYPE_NOT_UFP	0
    122#define IDH_PTYPE_HUB		1
    123#define IDH_PTYPE_PERIPH	2
    124#define IDH_PTYPE_PSD		3
    125#define IDH_PTYPE_AMA		5
    126
    127/* SOP' Product Type (Cable Plug / VPD) */
    128#define IDH_PTYPE_NOT_CABLE	0
    129#define IDH_PTYPE_PCABLE	3
    130#define IDH_PTYPE_ACABLE	4
    131#define IDH_PTYPE_VPD		6
    132
    133/* SOP Product Type (DFP) */
    134#define IDH_PTYPE_NOT_DFP	0
    135#define IDH_PTYPE_DFP_HUB	1
    136#define IDH_PTYPE_DFP_HOST	2
    137#define IDH_PTYPE_DFP_PB	3
    138
    139/* ID Header Mask */
    140#define IDH_DFP_MASK		GENMASK(25, 23)
    141#define IDH_CONN_MASK		GENMASK(22, 21)
    142
    143#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid)		\
    144	((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27		\
    145	 | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21	\
    146	 | ((vid) & 0xffff))
    147
    148#define PD_IDH_PTYPE(vdo)	(((vdo) >> 27) & 0x7)
    149#define PD_IDH_VID(vdo)		((vdo) & 0xffff)
    150#define PD_IDH_MODAL_SUPP(vdo)	((vdo) & (1 << 26))
    151#define PD_IDH_DFP_PTYPE(vdo)	(((vdo) >> 23) & 0x7)
    152#define PD_IDH_CONN_TYPE(vdo)	(((vdo) >> 21) & 0x3)
    153
    154/*
    155 * Cert Stat VDO
    156 * -------------
    157 * <31:0>  : USB-IF assigned XID for this cable
    158 */
    159#define PD_CSTAT_XID(vdo)	(vdo)
    160#define VDO_CERT(xid)		((xid) & 0xffffffff)
    161
    162/*
    163 * Product VDO
    164 * -----------
    165 * <31:16> : USB Product ID
    166 * <15:0>  : USB bcdDevice
    167 */
    168#define VDO_PRODUCT(pid, bcd)	(((pid) & 0xffff) << 16 | ((bcd) & 0xffff))
    169#define PD_PRODUCT_PID(vdo)	(((vdo) >> 16) & 0xffff)
    170
    171/*
    172 * UFP VDO (PD Revision 3.0+ only)
    173 * --------
    174 * <31:29> :: UFP VDO version
    175 * <28>    :: Reserved
    176 * <27:24> :: Device capability
    177 * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
    178 * <21:11> :: Reserved
    179 * <10:8>  :: Vconn power (AMA only)
    180 * <7>     :: Vconn required (AMA only, 0b == no, 1b == yes)
    181 * <6>     :: Vbus required (AMA only, 0b == yes, 1b == no)
    182 * <5:3>   :: Alternate modes
    183 * <2:0>   :: USB highest speed
    184 */
    185#define PD_VDO_UFP_DEVCAP(vdo)	(((vdo) & GENMASK(27, 24)) >> 24)
    186
    187/* UFP VDO Version */
    188#define UFP_VDO_VER1_2		2
    189
    190/* Device Capability */
    191#define DEV_USB2_CAPABLE	BIT(0)
    192#define DEV_USB2_BILLBOARD	BIT(1)
    193#define DEV_USB3_CAPABLE	BIT(2)
    194#define DEV_USB4_CAPABLE	BIT(3)
    195
    196/* Connector Type */
    197#define UFP_RECEPTACLE		2
    198#define UFP_CAPTIVE		3
    199
    200/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
    201#define AMA_VCONN_PWR_1W	0
    202#define AMA_VCONN_PWR_1W5	1
    203#define AMA_VCONN_PWR_2W	2
    204#define AMA_VCONN_PWR_3W	3
    205#define AMA_VCONN_PWR_4W	4
    206#define AMA_VCONN_PWR_5W	5
    207#define AMA_VCONN_PWR_6W	6
    208
    209/* Vconn Required (AMA only) */
    210#define AMA_VCONN_NOT_REQ	0
    211#define AMA_VCONN_REQ		1
    212
    213/* Vbus Required (AMA only) */
    214#define AMA_VBUS_REQ		0
    215#define AMA_VBUS_NOT_REQ	1
    216
    217/* Alternate Modes */
    218#define UFP_ALTMODE_NOT_SUPP	0
    219#define UFP_ALTMODE_TBT3	BIT(0)
    220#define UFP_ALTMODE_RECFG	BIT(1)
    221#define UFP_ALTMODE_NO_RECFG	BIT(2)
    222
    223/* USB Highest Speed */
    224#define UFP_USB2_ONLY		0
    225#define UFP_USB32_GEN1		1
    226#define UFP_USB32_4_GEN2	2
    227#define UFP_USB4_GEN3		3
    228
    229#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd)			\
    230	(((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22	\
    231	 | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3	\
    232	 | ((spd) & 0x7))
    233
    234/*
    235 * DFP VDO (PD Revision 3.0+ only)
    236 * --------
    237 * <31:29> :: DFP VDO version
    238 * <28:27> :: Reserved
    239 * <26:24> :: Host capability
    240 * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
    241 * <21:5>  :: Reserved
    242 * <4:0>   :: Port number
    243 */
    244#define PD_VDO_DFP_HOSTCAP(vdo)	(((vdo) & GENMASK(26, 24)) >> 24)
    245
    246#define DFP_VDO_VER1_1		1
    247#define HOST_USB2_CAPABLE	BIT(0)
    248#define HOST_USB3_CAPABLE	BIT(1)
    249#define HOST_USB4_CAPABLE	BIT(2)
    250#define DFP_RECEPTACLE		2
    251#define DFP_CAPTIVE		3
    252
    253#define VDO_DFP(ver, cap, conn, pnum)						\
    254	(((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22	\
    255	 | ((pnum) & 0x1f))
    256
    257/*
    258 * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
    259 * ---------
    260 * <31:28> :: Cable HW version
    261 * <27:24> :: Cable FW version
    262 * <23:20> :: Reserved, Shall be set to zero
    263 * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
    264 * <17>    :: Reserved, Shall be set to zero
    265 * <16:13> :: cable latency (0001 == <10ns(~1m length))
    266 * <12:11> :: cable termination type (11b == both ends active VCONN req)
    267 * <10>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
    268 * <9>     :: SSTX2 Directionality support
    269 * <8>     :: SSRX1 Directionality support
    270 * <7>     :: SSRX2 Directionality support
    271 * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
    272 * <4>     :: Vbus through cable (0b == no, 1b == yes)
    273 * <3>     :: SOP" controller present? (0b == no, 1b == yes)
    274 * <2:0>   :: USB SS Signaling support
    275 *
    276 * Passive Cable VDO (PD Rev3.0+)
    277 * ---------
    278 * <31:28> :: Cable HW version
    279 * <27:24> :: Cable FW version
    280 * <23:21> :: VDO version
    281 * <20>    :: Reserved, Shall be set to zero
    282 * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
    283 * <17>    :: Reserved, Shall be set to zero
    284 * <16:13> :: cable latency (0001 == <10ns(~1m length))
    285 * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
    286 * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
    287 * <8:7>   :: Reserved, Shall be set to zero
    288 * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
    289 * <4:3>   :: Reserved, Shall be set to zero
    290 * <2:0>   :: USB highest speed
    291 *
    292 * Active Cable VDO 1 (PD Rev3.0+)
    293 * ---------
    294 * <31:28> :: Cable HW version
    295 * <27:24> :: Cable FW version
    296 * <23:21> :: VDO version
    297 * <20>    :: Reserved, Shall be set to zero
    298 * <19:18> :: Connector type (10b == C, 11b == Captive)
    299 * <17>    :: Reserved, Shall be set to zero
    300 * <16:13> :: cable latency (0001 == <10ns(~1m length))
    301 * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
    302 * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
    303 * <8>     :: SBU supported (0b == supported, 1b == not supported)
    304 * <7>     :: SBU type (0b == passive, 1b == active)
    305 * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
    306 * <4>     :: Vbus through cable (0b == no, 1b == yes)
    307 * <3>     :: SOP" controller present? (0b == no, 1b == yes)
    308 * <2:0>   :: USB highest speed
    309 */
    310/* Cable VDO Version */
    311#define CABLE_VDO_VER1_0	0
    312#define CABLE_VDO_VER1_3	3
    313
    314/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
    315#define CABLE_ATYPE		0
    316#define CABLE_BTYPE		1
    317#define CABLE_CTYPE		2
    318#define CABLE_CAPTIVE		3
    319
    320/* Cable Latency */
    321#define CABLE_LATENCY_1M	1
    322#define CABLE_LATENCY_2M	2
    323#define CABLE_LATENCY_3M	3
    324#define CABLE_LATENCY_4M	4
    325#define CABLE_LATENCY_5M	5
    326#define CABLE_LATENCY_6M	6
    327#define CABLE_LATENCY_7M	7
    328#define CABLE_LATENCY_7M_PLUS	8
    329
    330/* Cable Termination Type */
    331#define PCABLE_VCONN_NOT_REQ	0
    332#define PCABLE_VCONN_REQ	1
    333#define ACABLE_ONE_END		2
    334#define ACABLE_BOTH_END		3
    335
    336/* Maximum Vbus Voltage */
    337#define CABLE_MAX_VBUS_20V	0
    338#define CABLE_MAX_VBUS_30V	1
    339#define CABLE_MAX_VBUS_40V	2
    340#define CABLE_MAX_VBUS_50V	3
    341
    342/* Active Cable SBU Supported/Type */
    343#define ACABLE_SBU_SUPP		0
    344#define ACABLE_SBU_NOT_SUPP	1
    345#define ACABLE_SBU_PASSIVE	0
    346#define ACABLE_SBU_ACTIVE	1
    347
    348/* Vbus Current Handling Capability */
    349#define CABLE_CURR_DEF		0
    350#define CABLE_CURR_3A		1
    351#define CABLE_CURR_5A		2
    352
    353/* USB SuperSpeed Signaling Support (PD Rev2.0) */
    354#define CABLE_USBSS_U2_ONLY	0
    355#define CABLE_USBSS_U31_GEN1	1
    356#define CABLE_USBSS_U31_GEN2	2
    357
    358/* USB Highest Speed */
    359#define CABLE_USB2_ONLY		0
    360#define CABLE_USB32_GEN1	1
    361#define CABLE_USB32_4_GEN2	2
    362#define CABLE_USB4_GEN3		3
    363
    364#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
    365	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18		\
    366	 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10		\
    367	 | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5		\
    368	 | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
    369#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd)			\
    370	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
    371	 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
    372	 | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
    373#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
    374	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
    375	 | ((conn) & 0x3) << 18	| ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
    376	 | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5	\
    377	 | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
    378
    379#define VDO_TYPEC_CABLE_TYPE(vdo)	(((vdo) >> 18) & 0x3)
    380
    381/*
    382 * Active Cable VDO 2
    383 * ---------
    384 * <31:24> :: Maximum operating temperature
    385 * <23:16> :: Shutdown temperature
    386 * <15>    :: Reserved, Shall be set to zero
    387 * <14:12> :: U3/CLd power
    388 * <11>    :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
    389 * <10>    :: Physical connection (0b == copper, 1b == optical)
    390 * <9>     :: Active element (0b == redriver, 1b == retimer)
    391 * <8>     :: USB4 supported (0b == yes, 1b == no)
    392 * <7:6>   :: USB2 hub hops consumed
    393 * <5>     :: USB2 supported (0b == yes, 1b == no)
    394 * <4>     :: USB3.2 supported (0b == yes, 1b == no)
    395 * <3>     :: USB lanes supported (0b == one lane, 1b == two lanes)
    396 * <2>     :: Optically isolated active cable (0b == no, 1b == yes)
    397 * <1>     :: Reserved, Shall be set to zero
    398 * <0>     :: USB gen (0b == gen1, 1b == gen2+)
    399 */
    400/* U3/CLd Power*/
    401#define ACAB2_U3_CLD_10MW_PLUS	0
    402#define ACAB2_U3_CLD_10MW	1
    403#define ACAB2_U3_CLD_5MW	2
    404#define ACAB2_U3_CLD_1MW	3
    405#define ACAB2_U3_CLD_500UW	4
    406#define ACAB2_U3_CLD_200UW	5
    407#define ACAB2_U3_CLD_50UW	6
    408
    409/* Other Active Cable VDO 2 Fields */
    410#define ACAB2_U3U0_DIRECT	0
    411#define ACAB2_U3U0_U3S		1
    412#define ACAB2_PHY_COPPER	0
    413#define ACAB2_PHY_OPTICAL	1
    414#define ACAB2_REDRIVER		0
    415#define ACAB2_RETIMER		1
    416#define ACAB2_USB4_SUPP		0
    417#define ACAB2_USB4_NOT_SUPP	1
    418#define ACAB2_USB2_SUPP		0
    419#define ACAB2_USB2_NOT_SUPP	1
    420#define ACAB2_USB32_SUPP	0
    421#define ACAB2_USB32_NOT_SUPP	1
    422#define ACAB2_LANES_ONE		0
    423#define ACAB2_LANES_TWO		1
    424#define ACAB2_OPT_ISO_NO	0
    425#define ACAB2_OPT_ISO_YES	1
    426#define ACAB2_GEN_1		0
    427#define ACAB2_GEN_2_PLUS	1
    428
    429#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen)	\
    430	(((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12	\
    431	 | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8			\
    432	 | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3		\
    433	 | (iso) << 2 | (gen))
    434
    435/*
    436 * AMA VDO (PD Rev2.0)
    437 * ---------
    438 * <31:28> :: Cable HW version
    439 * <27:24> :: Cable FW version
    440 * <23:12> :: Reserved, Shall be set to zero
    441 * <11>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
    442 * <10>    :: SSTX2 Directionality support
    443 * <9>     :: SSRX1 Directionality support
    444 * <8>     :: SSRX2 Directionality support
    445 * <7:5>   :: Vconn power
    446 * <4>     :: Vconn power required
    447 * <3>     :: Vbus power required
    448 * <2:0>   :: USB SS Signaling support
    449 */
    450#define VDO_AMA(hw, fw, tx1d, tx2d, rx1d, rx2d, vcpwr, vcr, vbr, usbss) \
    451	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24			\
    452	 | (tx1d) << 11 | (tx2d) << 10 | (rx1d) << 9 | (rx2d) << 8	\
    453	 | ((vcpwr) & 0x7) << 5 | (vcr) << 4 | (vbr) << 3		\
    454	 | ((usbss) & 0x7))
    455
    456#define PD_VDO_AMA_VCONN_REQ(vdo)	(((vdo) >> 4) & 1)
    457#define PD_VDO_AMA_VBUS_REQ(vdo)	(((vdo) >> 3) & 1)
    458
    459#define AMA_USBSS_U2_ONLY	0
    460#define AMA_USBSS_U31_GEN1	1
    461#define AMA_USBSS_U31_GEN2	2
    462#define AMA_USBSS_BBONLY	3
    463
    464/*
    465 * VPD VDO
    466 * ---------
    467 * <31:28> :: HW version
    468 * <27:24> :: FW version
    469 * <23:21> :: VDO version
    470 * <20:17> :: Reserved, Shall be set to zero
    471 * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
    472 * <14>    :: Charge through current support (0b == 3A, 1b == 5A)
    473 * <13>    :: Reserved, Shall be set to zero
    474 * <12:7>  :: Vbus impedance
    475 * <6:1>   :: Ground impedance
    476 * <0>     :: Charge through support (0b == no, 1b == yes)
    477 */
    478#define VPD_VDO_VER1_0		0
    479#define VPD_MAX_VBUS_20V	0
    480#define VPD_MAX_VBUS_30V	1
    481#define VPD_MAX_VBUS_40V	2
    482#define VPD_MAX_VBUS_50V	3
    483#define VPDCT_CURR_3A		0
    484#define VPDCT_CURR_5A		1
    485#define VPDCT_NOT_SUPP		0
    486#define VPDCT_SUPP		1
    487
    488#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct)			\
    489	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21	\
    490	 | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7	\
    491	 | ((gi) & 0x3f) << 1 | (ct))
    492
    493/*
    494 * SVDM Discover SVIDs request -> response
    495 *
    496 * Request is properly formatted VDM Header with discover SVIDs command.
    497 * Response is a set of SVIDs of all supported SVIDs with all zero's to
    498 * mark the end of SVIDs.  If more than 12 SVIDs are supported command SHOULD be
    499 * repeated.
    500 */
    501#define VDO_SVID(svid0, svid1)	(((svid0) & 0xffff) << 16 | ((svid1) & 0xffff))
    502#define PD_VDO_SVID_SVID0(vdo)	((vdo) >> 16)
    503#define PD_VDO_SVID_SVID1(vdo)	((vdo) & 0xffff)
    504
    505/* USB-IF SIDs */
    506#define USB_SID_PD		0xff00 /* power delivery */
    507#define USB_SID_DISPLAYPORT	0xff01
    508#define USB_SID_MHL		0xff02	/* Mobile High-Definition Link */
    509
    510/* VDM command timeouts (in ms) */
    511
    512#define PD_T_VDM_UNSTRUCTURED	500
    513#define PD_T_VDM_BUSY		100
    514#define PD_T_VDM_WAIT_MODE_E	100
    515#define PD_T_VDM_SNDR_RSP	30
    516#define PD_T_VDM_E_MODE		25
    517#define PD_T_VDM_RCVR_RSP	15
    518
    519#endif /* __LINUX_USB_PD_VDO_H */