struct ida mode_ids;
int num_altmodes;
u16 pd_revision; /* 0300H = "3.0" */
+ enum usb_pd_svdm_ver svdm_version;
};
struct typec_port {
}
EXPORT_SYMBOL_GPL(typec_partner_register_altmode);
+/**
+ * typec_partner_set_svdm_version - Set negotiated Structured VDM (SVDM) Version
+ * @partner: USB Type-C Partner that supports SVDM
+ * @svdm_version: Negotiated SVDM Version
+ *
+ * This routine is used to save the negotiated SVDM Version.
+ */
+void typec_partner_set_svdm_version(struct typec_partner *partner,
+ enum usb_pd_svdm_ver svdm_version)
+{
+ partner->svdm_version = svdm_version;
+}
+EXPORT_SYMBOL_GPL(typec_partner_set_svdm_version);
+
/**
* typec_register_partner - Register a USB Type-C Partner
* @port: The USB Type-C Port the partner is connected to
partner->accessory = desc->accessory;
partner->num_altmodes = -1;
partner->pd_revision = desc->pd_revision;
+ partner->svdm_version = port->cap->svdm_version;
if (desc->identity) {
/*
/* --------------------------------------- */
+/**
+ * typec_get_negotiated_svdm_version - Get negotiated SVDM Version
+ * @port: USB Type-C Port.
+ *
+ * Get the negotiated SVDM Version. The Version is set to the port default
+ * value stored in typec_capability on partner registration, and updated after
+ * a successful Discover Identity if the negotiated value is less than the
+ * default value.
+ *
+ * Returns usb_pd_svdm_ver if the partner has been registered otherwise -ENODEV.
+ */
+int typec_get_negotiated_svdm_version(struct typec_port *port)
+{
+ enum usb_pd_svdm_ver svdm_version;
+ struct device *partner_dev;
+
+ partner_dev = device_find_child(&port->dev, NULL, partner_match);
+ if (!partner_dev)
+ return -ENODEV;
+
+ svdm_version = to_typec_partner(partner_dev)->svdm_version;
+ put_device(partner_dev);
+
+ return svdm_version;
+}
+EXPORT_SYMBOL_GPL(typec_get_negotiated_svdm_version);
+
/**
* typec_get_drvdata - Return private driver data pointer
* @port: USB Type-C port
enum typec_port_type type);
};
+enum usb_pd_svdm_ver {
+ SVDM_VER_1_0 = 0,
+ SVDM_VER_2_0 = 1,
+ SVDM_VER_MAX = SVDM_VER_2_0,
+};
+
/*
* struct typec_capability - USB Type-C Port Capabilities
* @type: Supported power role of the port
* @data: Supported data role of the port
* @revision: USB Type-C Specification release. Binary coded decimal
* @pd_revision: USB Power Delivery Specification revision if supported
+ * @svdm_version: USB PD Structured VDM version if supported
* @prefer_role: Initial role preference (DRP ports).
* @accessory: Supported Accessory Modes
* @fwnode: Optional fwnode of the port
enum typec_port_data data;
u16 revision; /* 0120H = "1.2" */
u16 pd_revision; /* 0300H = "3.0" */
+ enum usb_pd_svdm_ver svdm_version;
int prefer_role;
enum typec_accessory accessory[TYPEC_MAX_ACCESSORY];
unsigned int orientation_aware:1;
int typec_find_port_power_role(const char *name);
int typec_find_power_role(const char *name);
int typec_find_port_data_role(const char *name);
+
+void typec_partner_set_svdm_version(struct typec_partner *partner,
+ enum usb_pd_svdm_ver svdm_version);
+int typec_get_negotiated_svdm_version(struct typec_port *port);
#endif /* __LINUX_USB_TYPEC_H */
return typec_get_orientation(typec_altmode2port(altmode));
}
+/**
+ * typec_altmode_get_svdm_version - Get negotiated SVDM version
+ * @altmode: Handle to the alternate mode
+ */
+static inline int
+typec_altmode_get_svdm_version(struct typec_altmode *altmode)
+{
+ return typec_get_negotiated_svdm_version(typec_altmode2port(altmode));
+}
+
/**
* struct typec_altmode_driver - USB Type-C alternate mode device driver
* @id_table: Null terminated array of SVIDs