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 (can only be 00 == 1.0 currently) 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, custom) \ 32 (((vid) << 16) | \ 33 ((type) << 15) | \ 34 ((custom) & 0x7FFF)) 35 36 #define VDO_SVDM_TYPE (1 << 15) 37 #define VDO_SVDM_VERS(x) ((x) << 13) 38 #define VDO_OPOS(x) ((x) << 8) 39 #define VDO_CMDT(x) ((x) << 6) 40 #define VDO_OPOS_MASK VDO_OPOS(0x7) 41 #define VDO_CMDT_MASK VDO_CMDT(0x3) 42 43 #define CMDT_INIT 0 44 #define CMDT_RSP_ACK 1 45 #define CMDT_RSP_NAK 2 46 #define CMDT_RSP_BUSY 3 47 48 /* reserved for SVDM ... for Google UVDM */ 49 #define VDO_SRC_INITIATOR (0 << 5) 50 #define VDO_SRC_RESPONDER (1 << 5) 51 52 #define CMD_DISCOVER_IDENT 1 53 #define CMD_DISCOVER_SVID 2 54 #define CMD_DISCOVER_MODES 3 55 #define CMD_ENTER_MODE 4 56 #define CMD_EXIT_MODE 5 57 #define CMD_ATTENTION 6 58 59 #define VDO_CMD_VENDOR(x) (((0x10 + (x)) & 0x1f)) 60 61 /* ChromeOS specific commands */ 62 #define VDO_CMD_VERSION VDO_CMD_VENDOR(0) 63 #define VDO_CMD_SEND_INFO VDO_CMD_VENDOR(1) 64 #define VDO_CMD_READ_INFO VDO_CMD_VENDOR(2) 65 #define VDO_CMD_REBOOT VDO_CMD_VENDOR(5) 66 #define VDO_CMD_FLASH_ERASE VDO_CMD_VENDOR(6) 67 #define VDO_CMD_FLASH_WRITE VDO_CMD_VENDOR(7) 68 #define VDO_CMD_ERASE_SIG VDO_CMD_VENDOR(8) 69 #define VDO_CMD_PING_ENABLE VDO_CMD_VENDOR(10) 70 #define VDO_CMD_CURRENT VDO_CMD_VENDOR(11) 71 #define VDO_CMD_FLIP VDO_CMD_VENDOR(12) 72 #define VDO_CMD_GET_LOG VDO_CMD_VENDOR(13) 73 #define VDO_CMD_CCD_EN VDO_CMD_VENDOR(14) 74 75 #define PD_VDO_VID(vdo) ((vdo) >> 16) 76 #define PD_VDO_SVDM(vdo) (((vdo) >> 15) & 1) 77 #define PD_VDO_OPOS(vdo) (((vdo) >> 8) & 0x7) 78 #define PD_VDO_CMD(vdo) ((vdo) & 0x1f) 79 #define PD_VDO_CMDT(vdo) (((vdo) >> 6) & 0x3) 80 81 /* 82 * SVDM Identity request -> response 83 * 84 * Request is simply properly formatted SVDM header 85 * 86 * Response is 4 data objects: 87 * [0] :: SVDM header 88 * [1] :: Identitiy header 89 * [2] :: Cert Stat VDO 90 * [3] :: (Product | Cable) VDO 91 * [4] :: AMA VDO 92 * 93 */ 94 #define VDO_INDEX_HDR 0 95 #define VDO_INDEX_IDH 1 96 #define VDO_INDEX_CSTAT 2 97 #define VDO_INDEX_CABLE 3 98 #define VDO_INDEX_PRODUCT 3 99 #define VDO_INDEX_AMA 4 100 101 /* 102 * SVDM Identity Header 103 * -------------------- 104 * <31> :: data capable as a USB host 105 * <30> :: data capable as a USB device 106 * <29:27> :: product type 107 * <26> :: modal operation supported (1b == yes) 108 * <25:16> :: Reserved, Shall be set to zero 109 * <15:0> :: USB-IF assigned VID for this cable vendor 110 */ 111 #define IDH_PTYPE_UNDEF 0 112 #define IDH_PTYPE_HUB 1 113 #define IDH_PTYPE_PERIPH 2 114 #define IDH_PTYPE_PCABLE 3 115 #define IDH_PTYPE_ACABLE 4 116 #define IDH_PTYPE_AMA 5 117 118 #define VDO_IDH(usbh, usbd, ptype, is_modal, vid) \ 119 ((usbh) << 31 | (usbd) << 30 | ((ptype) & 0x7) << 27 \ 120 | (is_modal) << 26 | ((vid) & 0xffff)) 121 122 #define PD_IDH_PTYPE(vdo) (((vdo) >> 27) & 0x7) 123 #define PD_IDH_VID(vdo) ((vdo) & 0xffff) 124 #define PD_IDH_MODAL_SUPP(vdo) ((vdo) & (1 << 26)) 125 126 /* 127 * Cert Stat VDO 128 * ------------- 129 * <31:0> : USB-IF assigned XID for this cable 130 */ 131 #define PD_CSTAT_XID(vdo) (vdo) 132 133 /* 134 * Product VDO 135 * ----------- 136 * <31:16> : USB Product ID 137 * <15:0> : USB bcdDevice 138 */ 139 #define VDO_PRODUCT(pid, bcd) (((pid) & 0xffff) << 16 | ((bcd) & 0xffff)) 140 #define PD_PRODUCT_PID(vdo) (((vdo) >> 16) & 0xffff) 141 142 /* 143 * Cable VDO 144 * --------- 145 * <31:28> :: Cable HW version 146 * <27:24> :: Cable FW version 147 * <23:20> :: Reserved, Shall be set to zero 148 * <19:18> :: type-C to Type-A/B/C (00b == A, 01 == B, 10 == C) 149 * <17> :: Type-C to Plug/Receptacle (0b == plug, 1b == receptacle) 150 * <16:13> :: cable latency (0001 == <10ns(~1m length)) 151 * <12:11> :: cable termination type (11b == both ends active VCONN req) 152 * <10> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable) 153 * <9> :: SSTX2 Directionality support 154 * <8> :: SSRX1 Directionality support 155 * <7> :: SSRX2 Directionality support 156 * <6:5> :: Vbus current handling capability 157 * <4> :: Vbus through cable (0b == no, 1b == yes) 158 * <3> :: SOP" controller present? (0b == no, 1b == yes) 159 * <2:0> :: USB SS Signaling support 160 */ 161 #define CABLE_ATYPE 0 162 #define CABLE_BTYPE 1 163 #define CABLE_CTYPE 2 164 #define CABLE_PLUG 0 165 #define CABLE_RECEPTACLE 1 166 #define CABLE_CURR_1A5 0 167 #define CABLE_CURR_3A 1 168 #define CABLE_CURR_5A 2 169 #define CABLE_USBSS_U2_ONLY 0 170 #define CABLE_USBSS_U31_GEN1 1 171 #define CABLE_USBSS_U31_GEN2 2 172 #define VDO_CABLE(hw, fw, cbl, gdr, lat, term, tx1d, tx2d, rx1d, rx2d, cur,\ 173 vps, sopp, usbss) \ 174 (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18 \ 175 | (gdr) << 17 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 \ 176 | (tx1d) << 10 | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 \ 177 | ((cur) & 0x3) << 5 | (vps) << 4 | (sopp) << 3 \ 178 | ((usbss) & 0x7)) 179 180 /* 181 * AMA VDO 182 * --------- 183 * <31:28> :: Cable HW version 184 * <27:24> :: Cable FW version 185 * <23:12> :: Reserved, Shall be set to zero 186 * <11> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable) 187 * <10> :: SSTX2 Directionality support 188 * <9> :: SSRX1 Directionality support 189 * <8> :: SSRX2 Directionality support 190 * <7:5> :: Vconn power 191 * <4> :: Vconn power required 192 * <3> :: Vbus power required 193 * <2:0> :: USB SS Signaling support 194 */ 195 #define VDO_AMA(hw, fw, tx1d, tx2d, rx1d, rx2d, vcpwr, vcr, vbr, usbss) \ 196 (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 \ 197 | (tx1d) << 11 | (tx2d) << 10 | (rx1d) << 9 | (rx2d) << 8 \ 198 | ((vcpwr) & 0x7) << 5 | (vcr) << 4 | (vbr) << 3 \ 199 | ((usbss) & 0x7)) 200 201 #define PD_VDO_AMA_VCONN_REQ(vdo) (((vdo) >> 4) & 1) 202 #define PD_VDO_AMA_VBUS_REQ(vdo) (((vdo) >> 3) & 1) 203 204 #define AMA_VCONN_PWR_1W 0 205 #define AMA_VCONN_PWR_1W5 1 206 #define AMA_VCONN_PWR_2W 2 207 #define AMA_VCONN_PWR_3W 3 208 #define AMA_VCONN_PWR_4W 4 209 #define AMA_VCONN_PWR_5W 5 210 #define AMA_VCONN_PWR_6W 6 211 #define AMA_USBSS_U2_ONLY 0 212 #define AMA_USBSS_U31_GEN1 1 213 #define AMA_USBSS_U31_GEN2 2 214 #define AMA_USBSS_BBONLY 3 215 216 /* 217 * SVDM Discover SVIDs request -> response 218 * 219 * Request is properly formatted VDM Header with discover SVIDs command. 220 * Response is a set of SVIDs of all all supported SVIDs with all zero's to 221 * mark the end of SVIDs. If more than 12 SVIDs are supported command SHOULD be 222 * repeated. 223 */ 224 #define VDO_SVID(svid0, svid1) (((svid0) & 0xffff) << 16 | ((svid1) & 0xffff)) 225 #define PD_VDO_SVID_SVID0(vdo) ((vdo) >> 16) 226 #define PD_VDO_SVID_SVID1(vdo) ((vdo) & 0xffff) 227 228 /* USB-IF SIDs */ 229 #define USB_SID_PD 0xff00 /* power delivery */ 230 #define USB_SID_DISPLAYPORT 0xff01 231 #define USB_SID_MHL 0xff02 /* Mobile High-Definition Link */ 232 233 /* VDM command timeouts (in ms) */ 234 235 #define PD_T_VDM_UNSTRUCTURED 500 236 #define PD_T_VDM_BUSY 100 237 #define PD_T_VDM_WAIT_MODE_E 100 238 #define PD_T_VDM_SNDR_RSP 30 239 #define PD_T_VDM_E_MODE 25 240 #define PD_T_VDM_RCVR_RSP 15 241 242 #endif /* __LINUX_USB_PD_VDO_H */ 243
