| /* | |
| * Copyright 2015-2017 Google, Inc | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 of the License, or | |
| * (at your option) any later version. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| */ | |
| #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 */ |