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