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71 lines
1.4 KiB
71 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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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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