Adding the descriptors of chapter 9.2 of the Power Delivery spec.
Signed-off-by: Oliver Neukum <[email protected]>
---
include/uapi/linux/usb/ch9.h | 94 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 94 insertions(+)
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
index 252ac16..c9f2bc2 100644
--- a/include/uapi/linux/usb/ch9.h
+++ b/include/uapi/linux/usb/ch9.h
@@ -913,6 +913,100 @@ struct usb_ssp_cap_descriptor {
} __attribute__((packed));
/*
+ * USB Power Delivery Capability Descriptor:
+ * Defines capabilities for PD
+ */
+#define USB_PD_POWER_DELIVERY_CAPABILITY (0x06) /* Defines the various
PD Capabilities of this device */
+#define USB_PD_BATTERY_INFO_CAPABILITY (0x07) /* Provides information
on each battery supported by the device */
+#define USB_PD_PD_CONSUMER_PORT_CAPABILITY (0x08) /* The Consumer
characteristics of a Port on the device */
+#define USB_PD_PD_PROVIDER_PORT_CAPABILITY (0x09) /* The provider
characteristics of a Port on the device */
+
+struct usb_pd_cap_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType; /* set to USB_PD_POWER_DELIVERY_CAPABILITY */
+ __u8 bReserved;
+ __le32 bmAttributes;
+#define uSB_PD_CAP_BATTERY_CHARGING ( 1 << 1 ) /* supports Battery Charging
specification */
+#define uSB_PD_CAP_USB_PD ( 1 << 2 ) /* supports USB Power
Delivery specification */
+#define uSB_PD_CAP_PROVIDER ( 1 << 3 ) /* can provide power */
+#define uSB_PD_CAP_CONSUMER ( 1 << 4 ) /* can consume power */
+#define uSB_PD_CAP_CHARGING_POLICY ( 1 << 5 ) /* supports CHARGING_POLICY
feature */
+#define uSB_PD_CAP_TYPE_C_CURRENT ( 1 << 6 ) /* supports power
capabilities defined in the USB Type-C Specification */
+
+#define uSB_PD_CAP_PWR_AC ( 1 << 8 )
+#define uSB_PD_CAP_PWR_BAT ( 1 << 9 )
+#define uSB_PD_CAP_PWR_USE_V_BUS ( 1 << 14 )
+
+ __le16 bmProviderPorts; /* Bit zero refers to the UFP of the device */
+ __le16 bmConsumerPorts;
+ __le16 bcdBCVersion;
+ __le16 bcdPDVersion;
+ __le16 bcdUSBTypeCVersion;
+} __attribute__((packed));
+
+struct usb_pd_cap_battery_info_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+ /* Index of string descriptor shall contain the user friendly name for
this battery */
+ __u8 iBattery;
+ /* Index of string descriptor shall contain the Serial Number String
for this battery */
+ __u8 iSerial;
+ __u8 iManufacturer;
+ __u8 bBatteryId; /* uniquely identifies this battery in status Messages
*/
+ __u8 bReserved;
+ /*
+ * Shall contain the Battery Charge value above which this
+ * battery is considered to be fully charged but not necessarily
+ * “topped off.”
+ */
+ __le32 dwChargedThreshold; /* in mWh */
+ /*
+ * Shall contain the minimum charge level of this battery such
+ * that above this threshold, a device can be assured of being
+ * able to power up successfully (see Battery Charging 1.2).
+ */
+ __le32 dwWeakThreshold; /* in mWh */
+ __le32 dwBatteryDesignCapacity; /* in mWh */
+ __le32 dwBatteryLastFullchargeCapacity; /* in mWh */
+} __attribute__((packed));
+
+struct usb_pd_cap_consumer_port_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+ __u8 bReserved;
+ __u8 bmCapabilities;
+/* port will oerate under: */
+#define uSB_PD_CAP_CONSUMER_BC ( 1 << 0 ) /* BC */
+#define uSB_PD_CAP_CONSUMER_PD ( 1 << 1 ) /* PD */
+#define uSB_PD_CAP_CONSUMER_TYPE_C ( 1 << 2 ) /* USB Type-C Current */
+ __le16 wMinVoltage; /* in 50mV units */
+ __le16 wMaxVoltage; /* in 50mV units */
+ __u16 wReserved;
+ __le32 dwMaxOperatingPower; /* in 10 mW - operating at steady state */
+ __le32 dwMaxPeakPower; /* in 10mW units - operating at peak power */
+ __le32 dwMaxPeakPowerTime; /* in 100ms units - duration of peak */
+#define uSB_PD_CAP_CONSUMER_UNKNOWN_PEAK_POWER_TIME 0xffff
+} __attribute__((packed));
+
+struct usb_pd_cap_provider_port_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+ __u8 bReserved1;
+ __u8 bmCapabilities;
+/* port will oerate under: */
+#define uSB_PD_CAP_PROVIDER_BC ( 1 << 0 ) /* BC */
+#define uSB_PD_CAP_PROVIDER_PD ( 1 << 1 ) /* PD */
+#define uSB_PD_CAP_PROVIDER_TYPE_C ( 1 << 2 ) /* USB Type-C Current */
+ __u8 bNumOfPDObjects;
+ __u8 bReserved2;
+ __le32 wPowerDataObject[];
+} __attribute__((packed));
+
+/*
* Precision time measurement capability descriptor: advertised by devices and
* hubs that support PTM
*/
--
2.1.4
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