include/linux/spmi.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
11 /* Maximum slave identifier */
34  * struct spmi_device - Basic representation of an SPMI device
37  * @usid:	This devices' Unique Slave IDentifier.
52 	return dev_get_drvdata(&sdev->dev);  in spmi_device_get_drvdata()
57 	dev_set_drvdata(&sdev->dev, data);  in spmi_device_set_drvdata()
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.
85 			    u8 sid, u16 addr, u8 *buf, size_t len);
87 			     u8 sid, u16 addr, const u8 *buf, size_t len);
98 	return dev_get_drvdata(&ctrl->dev);  in spmi_controller_get_drvdata()
104 	dev_set_drvdata(&ctrl->dev, data);  in spmi_controller_set_drvdata()
111  * spmi_controller_put() - decrement controller refcount
117 		put_device(&ctrl->dev);  in spmi_controller_put()
127  * struct spmi_driver - SPMI slave device driver
133  * If PM runtime support is desired for a slave, a device driver can call
135  * pm_runtime_get() in remove()).  PM runtime support for a slave is
136  * implemented by issuing a SLEEP command to the slave on runtime_suspend(),
137  * transitioning the slave into the SLEEP state.  On runtime_resume(), a WAKEUP
138  * command is sent to the slave to bring it back to ACTIVE.
157  * spmi_driver_unregister() - unregister an SPMI client driver
163 		driver_unregister(&sdrv->driver);  in spmi_driver_unregister()
173 int spmi_register_read(struct spmi_device *sdev, u8 addr, u8 *buf);
174 int spmi_ext_register_read(struct spmi_device *sdev, u8 addr, u8 *buf,
176 int spmi_ext_register_readl(struct spmi_device *sdev, u16 addr, u8 *buf,
178 int spmi_register_write(struct spmi_device *sdev, u8 addr, u8 data);
180 int spmi_ext_register_write(struct spmi_device *sdev, u8 addr,
182 int spmi_ext_register_writel(struct spmi_device *sdev, u16 addr,