/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __USB_TYPEC_TBT_H #define __USB_TYPEC_TBT_H #include <linux/usb/typec_altmode.h> #include <linux/bitfield.h> #define USB_TYPEC_VENDOR_INTEL 0x8087 /* Alias for convenience */ #define USB_TYPEC_TBT_SID USB_TYPEC_VENDOR_INTEL /* Connector state for Thunderbolt3 */ #define TYPEC_TBT_MODE TYPEC_STATE_MODAL /** * struct typec_thunderbolt_data - Thundebolt3 Alt Mode specific data * @device_mode: Device Discover Mode VDO * @cable_mode: Cable Discover Mode VDO * @enter_vdo: Enter Mode VDO */ struct typec_thunderbolt_data { u32 device_mode; u32 cable_mode; u32 enter_vdo; }; /* TBT3 Device Discover Mode VDO bits */ #define TBT_MODE BIT(0) #define TBT_ADAPTER(_vdo_) FIELD_GET(BIT(16), _vdo_) #define TBT_ADAPTER_LEGACY 0 #define TBT_ADAPTER_TBT3 1 #define TBT_INTEL_SPECIFIC_B0 BIT(26) #define TBT_VENDOR_SPECIFIC_B0 BIT(30) #define TBT_VENDOR_SPECIFIC_B1 BIT(31) #define TBT_SET_ADAPTER(a) (((a) & 1) << 16) /* TBT3 Cable Discover Mode VDO bits */ #define TBT_CABLE_SPEED(_vdo_) FIELD_GET(GENMASK(18, 16), _vdo_) #define TBT_CABLE_USB3_GEN1 1 #define TBT_CABLE_USB3_PASSIVE 2 #define TBT_CABLE_10_AND_20GBPS 3 #define TBT_CABLE_ROUNDED_SUPPORT(_vdo_) FIELD_GET(GENMASK(20, 19), _vdo_) #define TBT_GEN3_NON_ROUNDED 0 #define TBT_GEN3_GEN4_ROUNDED_NON_ROUNDED 1 #define TBT_CABLE_OPTICAL BIT(21) #define TBT_CABLE_RETIMER BIT(22) #define TBT_CABLE_LINK_TRAINING BIT(23) #define TBT_CABLE_ACTIVE_PASSIVE BIT(25) #define TBT_SET_CABLE_SPEED(_s_) (((_s_) & GENMASK(2, 0)) << 16) #define TBT_SET_CABLE_ROUNDED(_g_) (((_g_) & GENMASK(1, 0)) << 19) /* TBT3 Device Enter Mode VDO bits */ #define TBT_ENTER_MODE_CABLE_SPEED(s) TBT_SET_CABLE_SPEED(s) #define TBT_ENTER_MODE_ACTIVE_CABLE BIT(24) #endif /* __USB_TYPEC_TBT_H */