1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __USB_TYPEC_TBT_H
3 #define __USB_TYPEC_TBT_H
5 #include <linux/usb/typec_altmode.h>
7 #define USB_TYPEC_VENDOR_INTEL 0x8087
8 /* Alias for convenience */
9 #define USB_TYPEC_TBT_SID USB_TYPEC_VENDOR_INTEL
11 /* Connector state for Thunderbolt3 */
12 #define TYPEC_TBT_MODE TYPEC_STATE_MODAL
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
20 struct typec_thunderbolt_data {
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)
35 #define TBT_SET_ADAPTER(a) (((a) & 1) << 16)
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)
50 #define TBT_SET_CABLE_SPEED(_s_) (((_s_) & GENMASK(2, 0)) << 16)
51 #define TBT_SET_CABLE_ROUNDED(_g_) (((_g_) & GENMASK(1, 0)) << 19)
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)
57 #endif /* __USB_TYPEC_TBT_H */