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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Copyright (c) 2021-2023, Qualcomm Innovation Center, Inc. All rights reserved.
- */
- #ifndef __LINUX_USB_REPEATER_H
- #define __LINUX_USB_REPEATER_H
- #include <linux/errno.h>
- #include <linux/device.h>
- #include <linux/types.h>
- #if IS_ENABLED(CONFIG_I2C_EUSB2_REPEATER)
- #define UR_AUTO_RESUME_SUPPORTED BIT(0)
- #endif
- struct usb_repeater {
- struct device *dev;
- const char *label;
- unsigned int flags;
- #if IS_ENABLED(CONFIG_USB_PHY_SETTING_QCOM)
- bool is_host;
- #endif
- struct list_head head;
- int (*reset)(struct usb_repeater *x, bool bring_out_of_reset);
- int (*init)(struct usb_repeater *x);
- int (*suspend)(struct usb_repeater *r, int suspend);
- int (*powerup)(struct usb_repeater *r);
- int (*powerdown)(struct usb_repeater *r);
- int (*get_version)(struct usb_repeater *r);
- };
- #if IS_ENABLED(CONFIG_USB_REPEATER)
- struct usb_repeater *devm_usb_get_repeater_by_phandle(struct device *dev,
- const char *phandle, u8 index);
- struct usb_repeater *devm_usb_get_repeater_by_node(struct device *dev,
- struct device_node *node);
- struct usb_repeater *usb_get_repeater_by_phandle(struct device *dev,
- const char *phandle, u8 index);
- struct usb_repeater *usb_get_repeater_by_node(struct device_node *node);
- void usb_put_repeater(struct usb_repeater *r);
- int usb_add_repeater_dev(struct usb_repeater *r);
- void usb_remove_repeater_dev(struct usb_repeater *r);
- #else
- static inline struct usb_repeater *devm_usb_get_repeater_by_phandle(
- struct device *d, const char *phandle, u8 index)
- { return ERR_PTR(-ENXIO); }
- static inline struct usb_repeater *devm_usb_get_repeater_by_node(
- struct device *dev, struct device_node *node)
- { return ERR_PTR(-ENXIO); }
- static inline struct usb_repeater *usb_get_repeater_by_phandle(
- struct device *d, const char *phandle, u8 index)
- { return ERR_PTR(-ENXIO); }
- static inline struct usb_repeater *usb_get_repeater_by_node(
- struct device_node *node)
- { return ERR_PTR(-ENXIO); }
- static inline void usb_put_repeater(struct usb_repeater *r)
- { }
- static inline int usb_add_repeater_dev(struct usb_repeater *r)
- { return 0; }
- static inline void usb_remove_repeater_dev(struct usb_repeater *r)
- { }
- #endif
- static inline int usb_repeater_reset(struct usb_repeater *r,
- bool bring_out_of_reset)
- {
- if (r && r->reset != NULL)
- return r->reset(r, bring_out_of_reset);
- else
- return 0;
- }
- static inline int usb_repeater_init(struct usb_repeater *r)
- {
- if (r && r->init != NULL)
- return r->init(r);
- else
- return 0;
- }
- static inline int usb_repeater_suspend(struct usb_repeater *r, int suspend)
- {
- if (r && r->suspend != NULL)
- return r->suspend(r, suspend);
- else
- return 0;
- }
- static inline int usb_repeater_powerup(struct usb_repeater *r)
- {
- if (r && r->powerup != NULL)
- return r->powerup(r);
- else
- return 0;
- }
- static inline int usb_repeater_powerdown(struct usb_repeater *r)
- {
- if (r && r->powerdown != NULL)
- return r->powerdown(r);
- else
- return 0;
- }
- static inline int usb_repeater_get_version(struct usb_repeater *r)
- {
- if (r && r->get_version != NULL)
- return r->get_version(r);
- else
- return -EINVAL;
- }
- #endif /* __LINUX_USB_REPEATER_H */
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