fef8e9539a
* From dagu-s-oss * Run clang-format on source files Change-Id: I2e7eb87cf0e116f85dbe84dd144eea6d70434302
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
#ifndef _SPI_XIAOMI_TP_H
|
|
#define _SPI_XIAOMI_TP_H
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/of.h>
|
|
#include <linux/sysfs.h>
|
|
|
|
#define TP_SPI_DEBUG
|
|
|
|
#define TP_TAG "[TP_SPI]: "
|
|
|
|
#undef PDEBUG
|
|
#ifdef TP_SPI_DEBUG
|
|
#ifdef __KERNEL__
|
|
#define PDEBUG(fmt, args...) printk(KERN_ERR TP_TAG fmt, ##args)
|
|
#else /*NO __KERNEL__*/
|
|
#define PDEBUG(fmt, args...) fprintf(stderr, TP_TAG fmt, ##args)
|
|
#endif /*END __KERNEL__*/
|
|
#else /*NO TP_SPI_DEBUG*/
|
|
#define PDEBUG(fmt, args...)
|
|
#endif /*END TP_SPI_DEBUG*/
|
|
|
|
#undef PDEBUGG
|
|
#define PDEBUGG(fmt, args...)
|
|
|
|
#define NAME_MAX_LENS 32
|
|
|
|
/*lock@:protect this struct
|
|
*name@:indicate who own this device
|
|
*used@:indicate this device has it owner
|
|
*tmp@:device in using but don't has it owner
|
|
*init&:indicate ts_xsfer already init.
|
|
*client@:pointer to spi device
|
|
*/
|
|
struct ts_spi_info {
|
|
struct mutex lock;
|
|
char name[NAME_MAX_LENS];
|
|
bool used;
|
|
bool tmp;
|
|
bool init;
|
|
struct spi_device *client;
|
|
};
|
|
|
|
extern int32_t tmp_hold_ts_xsfer(struct spi_device **client);
|
|
extern void tmp_drop_ts_xsfer(void);
|
|
extern int32_t get_ts_xsfer(const char *name);
|
|
extern void put_ts_xsfer(const char *name);
|
|
extern const char *get_owner_name(void);
|
|
extern struct spi_device *test_then_get_spi(const char *name);
|
|
|
|
#endif /*_SPI_XIAOMI_TP_H*/
|