1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __USB_TYPEC_TBT_H 3 #define __USB_TYPEC_TBT_H 4 5 #include <linux/usb/typec_altmode.h> 6 7 #define USB_TYPEC_VENDOR_INTEL 0x8087 8 /* Alias for convenience */ 9 #define USB_TYPEC_TBT_SID USB_TYPEC_VENDOR_INTEL 10 11 /* Connector state for Thunderbolt3 */ 12 #define TYPEC_TBT_MODE TYPEC_STATE_MODAL 13 14 /** 15 * struct typec_thunderbolt_data - Thundebolt3 Alt Mode specific data 16 * @device_mode: Device Discover Mode VDO 17 * @cable_mode: Cable Discover Mode VDO 18 * @enter_vdo: Enter Mode VDO 19 */ 20 struct typec_thunderbolt_data { 21 u32 device_mode; 22 u32 cable_mode; 23 u32 enter_vdo; 24 }; 25 26 /* TBT3 Device Discover Mode VDO bits */ 27 #define TBT_MODE BIT(0) 28 #define TBT_ADAPTER(_vdo_) (((_vdo_) & BIT(16)) >> 16) 29 #define TBT_ADAPTER_LEGACY 0 30 #define TBT_ADAPTER_TBT3 1 31 #define TBT_INTEL_SPECIFIC_B0 BIT(26) 32 #define TBT_VENDOR_SPECIFIC_B0 BIT(30) 33 #define TBT_VENDOR_SPECIFIC_B1 BIT(31) 34 35 #define TBT_SET_ADAPTER(a) (((a) & 1) << 16) 36 37 /* TBT3 Cable Discover Mode VDO bits */ 38 #define TBT_CABLE_SPEED(_vdo_) (((_vdo_) & GENMASK(18, 16)) >> 16) 39 #define TBT_CABLE_USB3_GEN1 1 40 #define TBT_CABLE_USB3_PASSIVE 2 41 #define TBT_CABLE_10_AND_20GBPS 3 42 #define TBT_CABLE_ROUNDED_SUPPORT(_vdo_) \ 43 (((_vdo_) & GENMASK(20, 19)) >> 19) 44 #define TBT_GEN3_NON_ROUNDED 0 45 #define TBT_GEN3_GEN4_ROUNDED_NON_ROUNDED 1 46 #define TBT_CABLE_OPTICAL BIT(21) 47 #define TBT_CABLE_RETIMER BIT(22) 48 #define TBT_CABLE_LINK_TRAINING BIT(23) 49 50 #define TBT_SET_CABLE_SPEED(_s_) (((_s_) & GENMASK(2, 0)) << 16) 51 #define TBT_SET_CABLE_ROUNDED(_g_) (((_g_) & GENMASK(1, 0)) << 19) 52 53 /* TBT3 Device Enter Mode VDO bits */ 54 #define TBT_ENTER_MODE_CABLE_SPEED(s) TBT_SET_CABLE_SPEED(s) 55 #define TBT_ENTER_MODE_ACTIVE_CABLE BIT(24) 56 57 #endif /* __USB_TYPEC_TBT_H */ 58