1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #include <linux/i2c.h> 3*4882a593Smuzhiyun #include <linux/input.h> 4*4882a593Smuzhiyun #include <linux/kthread.h> 5*4882a593Smuzhiyun #include <linux/mutex.h> 6*4882a593Smuzhiyun #include <linux/spinlock.h> 7*4882a593Smuzhiyun #include <linux/types.h> 8*4882a593Smuzhiyun #include <linux/of_device.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun enum ams_irq { 11*4882a593Smuzhiyun AMS_IRQ_FREEFALL = 0x01, 12*4882a593Smuzhiyun AMS_IRQ_SHOCK = 0x02, 13*4882a593Smuzhiyun AMS_IRQ_GLOBAL = 0x04, 14*4882a593Smuzhiyun AMS_IRQ_ALL = 15*4882a593Smuzhiyun AMS_IRQ_FREEFALL | 16*4882a593Smuzhiyun AMS_IRQ_SHOCK | 17*4882a593Smuzhiyun AMS_IRQ_GLOBAL, 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun struct ams { 21*4882a593Smuzhiyun /* Locks */ 22*4882a593Smuzhiyun spinlock_t irq_lock; 23*4882a593Smuzhiyun struct mutex lock; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /* General properties */ 26*4882a593Smuzhiyun struct device_node *of_node; 27*4882a593Smuzhiyun struct platform_device *of_dev; 28*4882a593Smuzhiyun char has_device; 29*4882a593Smuzhiyun char vflag; 30*4882a593Smuzhiyun u32 orient1; 31*4882a593Smuzhiyun u32 orient2; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun /* Interrupt worker */ 34*4882a593Smuzhiyun struct work_struct worker; 35*4882a593Smuzhiyun u8 worker_irqs; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun /* Implementation 38*4882a593Smuzhiyun * 39*4882a593Smuzhiyun * Only call these functions with the main lock held. 40*4882a593Smuzhiyun */ 41*4882a593Smuzhiyun void (*exit)(void); 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun void (*get_xyz)(s8 *x, s8 *y, s8 *z); 44*4882a593Smuzhiyun u8 (*get_vendor)(void); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun void (*clear_irq)(enum ams_irq reg); 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #ifdef CONFIG_SENSORS_AMS_I2C 49*4882a593Smuzhiyun /* I2C properties */ 50*4882a593Smuzhiyun struct i2c_client *i2c_client; 51*4882a593Smuzhiyun #endif 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun /* Joystick emulation */ 54*4882a593Smuzhiyun struct input_dev *idev; 55*4882a593Smuzhiyun __u16 bustype; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun /* calibrated null values */ 58*4882a593Smuzhiyun int xcalib, ycalib, zcalib; 59*4882a593Smuzhiyun }; 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun extern struct ams ams_info; 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun extern void ams_sensors(s8 *x, s8 *y, s8 *z); 64*4882a593Smuzhiyun extern int ams_sensor_attach(void); 65*4882a593Smuzhiyun extern void ams_sensor_detach(void); 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun extern int ams_pmu_init(struct device_node *np); 68*4882a593Smuzhiyun extern int ams_i2c_init(struct device_node *np); 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun extern int ams_input_init(void); 71*4882a593Smuzhiyun extern void ams_input_exit(void); 72