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/* 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 */
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