12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849 |
- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Copyright (C) 2015-2017 Pengutronix, Uwe Kleine-König <[email protected]>
- */
- #include <linux/kernel.h>
- #include <linux/kthread.h>
- #include <linux/siox.h>
- #define to_siox_master(_dev) container_of((_dev), struct siox_master, dev)
- struct siox_master {
- /* these fields should be initialized by the driver */
- int busno;
- int (*pushpull)(struct siox_master *smaster,
- size_t setbuf_len, const u8 setbuf[],
- size_t getbuf_len, u8 getbuf[]);
- /* might be initialized by the driver, if 0 it is set to HZ / 40 */
- unsigned long poll_interval; /* in jiffies */
- /* framework private stuff */
- struct mutex lock;
- bool active;
- struct module *owner;
- struct device dev;
- unsigned int num_devices;
- struct list_head devices;
- size_t setbuf_len, getbuf_len;
- size_t buf_len;
- u8 *buf;
- u8 status;
- unsigned long last_poll;
- struct task_struct *poll_thread;
- };
- static inline void *siox_master_get_devdata(struct siox_master *smaster)
- {
- return dev_get_drvdata(&smaster->dev);
- }
- struct siox_master *siox_master_alloc(struct device *dev, size_t size);
- static inline void siox_master_put(struct siox_master *smaster)
- {
- put_device(&smaster->dev);
- }
- int siox_master_register(struct siox_master *smaster);
- void siox_master_unregister(struct siox_master *smaster);
|