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