typec_tbt.h (1774B)
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 */ 20struct 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 */