| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __USB_TYPEC_TBT_H |
| #define __USB_TYPEC_TBT_H |
| |
| #include <linux/usb/typec_altmode.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_) (((_vdo_) & BIT(16)) >> 16) |
| #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_) (((_vdo_) & GENMASK(18, 16)) >> 16) |
| #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_) \ |
| (((_vdo_) & GENMASK(20, 19)) >> 19) |
| #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_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 */ |
