diff options
Diffstat (limited to 'include/usb_pd_vdo.h')
| -rw-r--r-- | include/usb_pd_vdo.h | 119 |
1 files changed, 118 insertions, 1 deletions
diff --git a/include/usb_pd_vdo.h b/include/usb_pd_vdo.h index b813bda933..d141d878f1 100644 --- a/include/usb_pd_vdo.h +++ b/include/usb_pd_vdo.h @@ -25,6 +25,35 @@ /*****************************************************************************/ /* + * Table 6-35 UFP VDO 1 + * ------------------------------------------------------------- + * <31:29> : UFP VDO version + * <28> : Reserved + * <27:24> : Device Capability + * 0001b = USB2.0 Device capable + * 0010b = USB2.0 Device capable (Billboard only) + * 0100b = USB3.2 Device capable + * 1000b = USB4 Device Capable + * <23:6> : Reserved + * <5:3> : Alternate Modes + * 001b = Supports TBT3 alternate mode + * 010b = Supports Alternate Modes that reconfigure + * the signals on the [USB Type-C 2.0] connector + * – except for [TBT3] + * 100b = Supports Alternate Modes that do not + * reconfigure the signals on the [USB Type-C 2.0] + * connector + * <2:0> : USB Highest Speed + * 000b = USB 2.0 only, no SuperSpeed support + * 001b = USB 3.2 Gen1 + * 010b = USB 3.2/USB4 Gen2 + * 011b = USB4 Gen3 + * 100b…111b = Reserved, Shall Not be used + */ +#define PD_PRODUCT_IS_USB4(vdo) ((vdo) >> 27 & 0x1) + +/*****************************************************************************/ +/* * Table 6-38 Passive Cable VDO * ------------------------------------------------------------- * <31:28> : HW Version @@ -265,6 +294,11 @@ union active_cable_vdo1_rev30 { * 1b = Gen 2 or higher * Note: see VDO1 USB Highest Speed for details of Gen supported. */ +enum retimer_active_element { + ACTIVE_REDRIVER, + ACTIVE_RETIMER, +}; + union active_cable_vdo2_rev30 { struct { uint8_t usb_gen : 1; @@ -275,7 +309,7 @@ union active_cable_vdo2_rev30 { uint8_t usb_20_support : 1; uint8_t usb_20_hub_hop : 2; uint8_t usb_40_support : 1; - uint8_t active_elem : 1; + enum retimer_active_element active_elem : 1; uint8_t physical_conn : 1; uint8_t u3_to_u0 : 1; uint8_t u3_power : 3; @@ -640,4 +674,87 @@ enum ama_usb_ss { AMA_USBSS_BBONLY, }; +/* + * Enter USB Data Object (Ref: USB PD 3.2 Version 2.0 Table 6-47) + * ----------------------- + * <31> : Reserved + * <30:28> : USB Mode + * 000b - USB2.0 + * 001b - USB3.2 + * 010b - USB4 + * <27> : Reserved + * <26> : USB4 DRD + * 0b: Not capable of operating as a [USB4] Device + * 1b: Capable of operating as a [USB4] Device + * <25> : USB3 DRD + * 0b: Not capable of operating as a [USB 3.2] Device + * 1b: Capable of operating as a [USB 3.2] Device + * <24> : Reserved + * <23:21> : Cable Speed + * 000b - [USB 2.0] only, no SuperSpeed support + * 001b - [USB 3.2] Gen1 + * 010b - [USB 3.2] Gen2 and [USB4] Gen2 + * 011b - [USB4] Gen3 + * 111b..100b: Reserved, Shall not be used + * <20:19> : Cable Type + * 00b - Passive + * 01b - Active Re-timer + * 10b - Active Re-driver + * 11b - Optically Isolated + * <18:17> : Cable Current + * 00b = VBUS is not supported + * 01b = Reserved + * 10b = 3A + * 11b = 5A + * <16> : PCIe Supported ? (1b == Yes, 0b == No) + * <15 : DP Supported ? (1b == Yes, 0b == No) + * <14> : TBT Supported ? (1b == Yes, 0b == No) + * <13> : Host present ? (1b == Yes, 0b == No) + * <12:0> : Reserved + */ +enum usb_mode { + USB_PD_20, + USB_PD_32, + USB_PD_40, + USB_PD_INVALID_3, + USB_PD_INVALID_4, + USB_PD_INVALID_5, + USB_PD_INVALID_6, + USB_PD_INVALID_7, +}; + +enum usb4_cable_current { + USB4_CABLE_CURRENT_INVALID, + USB4_CABLE_CURRENT_RESERVED, + USB4_CABLE_CURRENT_3A, + USB4_CABLE_CURRENT_5A, +}; + +enum usb4_cable_type { + CABLE_TYPE_PASSIVE, + CABLE_TYPE_ACTIVE_RETIMER, + CABLE_TYPE_ACTIVE_REDRIVER, + CABLE_TYPE_ISOLATED, +}; + +union enter_usb_data_obj { + struct { + uint16_t reserved3 : 13; + uint8_t host_present : 1; + uint8_t tbt_supported : 1; + uint8_t dp_supported : 1; + uint8_t pcie_supported : 1; + enum usb4_cable_current cable_current : 2; + enum usb4_cable_type cable_type : 2; + enum usb_rev30_ss cable_speed : 3; + uint8_t reserved2 : 1; + uint8_t usb3_drd_cap : 1; + uint8_t usb4_drd_cap : 1; + uint8_t reserved1 : 1; + enum usb_mode mode : 3; + uint8_t reserved0 : 1; + }; + uint32_t raw_value; +}; + #endif /* __CROS_EC_USB_PD_VDO_H */ |