mirror of https://github.com/OpenIPC/firmware.git
135 lines
4.2 KiB
Diff
135 lines
4.2 KiB
Diff
diff -drupN a/include/linux/usb/class-dual-role.h b/include/linux/usb/class-dual-role.h
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--- a/include/linux/usb/class-dual-role.h 1970-01-01 03:00:00.000000000 +0300
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+++ b/include/linux/usb/class-dual-role.h 2022-06-12 05:28:14.000000000 +0300
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@@ -0,0 +1,130 @@
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+#ifndef __LINUX_CLASS_DUAL_ROLE_H__
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+#define __LINUX_CLASS_DUAL_ROLE_H__
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+
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+#include <linux/workqueue.h>
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+#include <linux/errno.h>
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+#include <linux/types.h>
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+#include <linux/device.h>
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+
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+struct device;
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+
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+enum dual_role_supported_modes {
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+ DUAL_ROLE_SUPPORTED_MODES_DFP_AND_UFP = 0,
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+ DUAL_ROLE_SUPPORTED_MODES_DFP,
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+ DUAL_ROLE_SUPPORTED_MODES_UFP,
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+/*The following should be the last element*/
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+ DUAL_ROLE_PROP_SUPPORTED_MODES_TOTAL,
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+};
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+
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+enum {
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+ DUAL_ROLE_PROP_MODE_UFP = 0,
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+ DUAL_ROLE_PROP_MODE_DFP,
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+ DUAL_ROLE_PROP_MODE_NONE,
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+/*The following should be the last element*/
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+ DUAL_ROLE_PROP_MODE_TOTAL,
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+};
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+
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+enum {
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+ DUAL_ROLE_PROP_PR_SRC = 0,
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+ DUAL_ROLE_PROP_PR_SNK,
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+ DUAL_ROLE_PROP_PR_NONE,
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+/*The following should be the last element*/
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+ DUAL_ROLE_PROP_PR_TOTAL,
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+
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+};
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+
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+enum {
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+ DUAL_ROLE_PROP_DR_HOST = 0,
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+ DUAL_ROLE_PROP_DR_DEVICE,
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+ DUAL_ROLE_PROP_DR_NONE,
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+/*The following should be the last element*/
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+ DUAL_ROLE_PROP_DR_TOTAL,
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+};
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+
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+enum {
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+ DUAL_ROLE_PROP_VCONN_SUPPLY_NO = 0,
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+ DUAL_ROLE_PROP_VCONN_SUPPLY_YES,
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+/*The following should be the last element*/
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+ DUAL_ROLE_PROP_VCONN_SUPPLY_TOTAL,
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+};
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+
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+enum dual_role_property {
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+ DUAL_ROLE_PROP_SUPPORTED_MODES = 0,
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+ DUAL_ROLE_PROP_MODE,
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+ DUAL_ROLE_PROP_PR,
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+ DUAL_ROLE_PROP_DR,
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+ DUAL_ROLE_PROP_VCONN_SUPPLY,
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+};
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+
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+struct dual_role_phy_instance;
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+
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+/* Description of typec port */
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+struct dual_role_phy_desc {
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+ /* /sys/class/dual_role_usb/<name>/ */
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+ const char *name;
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+ enum dual_role_supported_modes supported_modes;
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+ enum dual_role_property *properties;
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+ size_t num_properties;
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+
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+ /* Callback for "cat /sys/class/dual_role_usb/<name>/<property>" */
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+ int (*get_property)(struct dual_role_phy_instance *dual_role,
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+ enum dual_role_property prop,
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+ unsigned int *val);
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+ /* Callback for "echo <value> >
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+ * /sys/class/dual_role_usb/<name>/<property>" */
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+ int (*set_property)(struct dual_role_phy_instance *dual_role,
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+ enum dual_role_property prop,
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+ const unsigned int *val);
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+ /* Decides whether userspace can change a specific property */
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+ int (*property_is_writeable)(struct dual_role_phy_instance *dual_role,
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+ enum dual_role_property prop);
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+};
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+
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+struct dual_role_phy_instance {
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+ const struct dual_role_phy_desc *desc;
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+
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+ /* Driver private data */
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+ void *drv_data;
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+
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+ struct device dev;
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+ struct work_struct changed_work;
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+};
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+
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+#if IS_ENABLED(CONFIG_DUAL_ROLE_USB_INTF)
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+extern void dual_role_instance_changed(struct dual_role_phy_instance
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+ *dual_role);
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+extern struct dual_role_phy_instance *__must_check
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+devm_dual_role_instance_register(struct device *parent,
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+ const struct dual_role_phy_desc *desc);
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+extern void devm_dual_role_instance_unregister(struct device *dev,
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+ struct dual_role_phy_instance
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+ *dual_role);
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+extern int dual_role_get_property(struct dual_role_phy_instance *dual_role,
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+ enum dual_role_property prop,
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+ unsigned int *val);
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+extern int dual_role_set_property(struct dual_role_phy_instance *dual_role,
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+ enum dual_role_property prop,
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+ const unsigned int *val);
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+extern int dual_role_property_is_writeable(struct dual_role_phy_instance
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+ *dual_role,
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+ enum dual_role_property prop);
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+extern void *dual_role_get_drvdata(struct dual_role_phy_instance *dual_role);
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+#else /* CONFIG_DUAL_ROLE_USB_INTF */
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+static inline void dual_role_instance_changed(struct dual_role_phy_instance
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+ *dual_role){}
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+static inline struct dual_role_phy_instance *__must_check
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+devm_dual_role_instance_register(struct device *parent,
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+ const struct dual_role_phy_desc *desc)
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+{
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+ return ERR_PTR(-ENOSYS);
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+}
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+static inline void devm_dual_role_instance_unregister(struct device *dev,
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+ struct dual_role_phy_instance
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+ *dual_role){}
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+static inline void *dual_role_get_drvdata(struct dual_role_phy_instance
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+ *dual_role)
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+{
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+ return ERR_PTR(-ENOSYS);
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+}
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+#endif /* CONFIG_DUAL_ROLE_USB_INTF */
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+#endif /* __LINUX_CLASS_DUAL_ROLE_H__ */
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