1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
34  * struct spmi_device - Basic representation of an SPMI device
36  * @ctrl:	SPMI controller managing the bus hosting this device.
41 	struct spmi_controller	*ctrl;  member
52 	return dev_get_drvdata(&sdev->dev);  in spmi_device_get_drvdata()
57 	dev_set_drvdata(&sdev->dev, data);  in spmi_device_set_drvdata()
60 struct spmi_device *spmi_device_alloc(struct spmi_controller *ctrl);
65 		put_device(&sdev->dev);  in spmi_device_put()
73  * struct spmi_controller - interface to the SPMI master controller
75  * @nr:		board-specific number identifier for this controller/bus
76  * @cmd:	sends a non-data command sequence on the SPMI bus.
83 	int	(*cmd)(struct spmi_controller *ctrl, u8 opcode, u8 sid);
84 	int	(*read_cmd)(struct spmi_controller *ctrl, u8 opcode,
85 			    u8 sid, u16 addr, u8 *buf, size_t len);
86 	int	(*write_cmd)(struct spmi_controller *ctrl, u8 opcode,
87 			     u8 sid, u16 addr, const u8 *buf, size_t len);
96 void *spmi_controller_get_drvdata(const struct spmi_controller *ctrl)  in spmi_controller_get_drvdata()  argument
98 	return dev_get_drvdata(&ctrl->dev);  in spmi_controller_get_drvdata()
101 static inline void spmi_controller_set_drvdata(struct spmi_controller *ctrl,  in spmi_controller_set_drvdata()  argument
104 	dev_set_drvdata(&ctrl->dev, data);  in spmi_controller_set_drvdata()
111  * spmi_controller_put() - decrement controller refcount
112  * @ctrl	SPMI controller.
114 static inline void spmi_controller_put(struct spmi_controller *ctrl)  in spmi_controller_put()  argument
116 	if (ctrl)  in spmi_controller_put()
117 		put_device(&ctrl->dev);  in spmi_controller_put()
120 int spmi_controller_add(struct spmi_controller *ctrl);
121 void spmi_controller_remove(struct spmi_controller *ctrl);
124  * struct spmi_driver - SPMI slave device driver
154  * spmi_driver_unregister() - unregister an SPMI client driver
160 		driver_unregister(&sdrv->driver);  in spmi_driver_unregister()
172 			   size_t len);
174 			    size_t len);
178 			    const u8 *buf, size_t len);
180 			     const u8 *buf, size_t len);