77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _AMS_H
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#define _AMS_H
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#include <linux/i2c.h>
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#include <linux/input.h>
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#include <linux/kthread.h>
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#include <linux/mutex.h>
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#include <linux/spinlock.h>
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#include <linux/types.h>
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#include <linux/of_device.h>
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enum ams_irq {
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AMS_IRQ_FREEFALL = 0x01,
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AMS_IRQ_SHOCK = 0x02,
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AMS_IRQ_GLOBAL = 0x04,
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AMS_IRQ_ALL =
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AMS_IRQ_FREEFALL |
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AMS_IRQ_SHOCK |
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AMS_IRQ_GLOBAL,
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};
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struct ams {
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/* Locks */
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spinlock_t irq_lock;
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struct mutex lock;
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/* General properties */
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struct device_node *of_node;
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struct platform_device *of_dev;
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char has_device;
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char vflag;
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u32 orient1;
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u32 orient2;
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/* Interrupt worker */
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struct work_struct worker;
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u8 worker_irqs;
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/* Implementation
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*
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* Only call these functions with the main lock held.
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*/
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void (*exit)(void);
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void (*get_xyz)(s8 *x, s8 *y, s8 *z);
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u8 (*get_vendor)(void);
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void (*clear_irq)(enum ams_irq reg);
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#ifdef CONFIG_SENSORS_AMS_I2C
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/* I2C properties */
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struct i2c_client *i2c_client;
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#endif
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/* Joystick emulation */
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struct input_dev *idev;
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__u16 bustype;
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/* calibrated null values */
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int xcalib, ycalib, zcalib;
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};
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extern struct ams ams_info;
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extern void ams_sensors(s8 *x, s8 *y, s8 *z);
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extern int ams_sensor_attach(void);
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extern void ams_sensor_detach(void);
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extern int ams_pmu_init(struct device_node *np);
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extern int ams_i2c_init(struct device_node *np);
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extern int ams_input_init(void);
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extern void ams_input_exit(void);
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#endif /* _AMS_H */
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