LXR linux/drivers/macintosh/ams/ams.h

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