LIS3LV02D: separate the core from HP ACPI API

[linux-2.6-omap-h63xx.git] / drivers / hwmon / lis3lv02d.h

diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h
index 330cfc60e948d8b343be86e0482001851c04aa5b..223f1c0763bba4decc69c85e74c990ba4472ba9d 100644 (file)
--- a/drivers/hwmon/lis3lv02d.h
+++ b/drivers/hwmon/lis3lv02d.h
@@ -23,7 +23,7 @@
  * The actual chip is STMicroelectronics LIS3LV02DL or LIS3LV02DQ that seems to
  * be connected via SPI. There exists also several similar chips (such as LIS302DL or
  * LIS3L02DQ) but not in the HP laptops and they have slightly different registers.
- * They can also be connected via I²C.
+ * They can also be connected via I²C.
  */
 
 #define LIS3LV02DL_ID  0x3A /* Also the LIS3LV02DQ */
@@ -147,3 +147,36 @@ enum lis3lv02d_dd_src {
        DD_SRC_IA       = 0x40,
 };
 
+struct axis_conversion {
+       s8      x;
+       s8      y;
+       s8      z;
+};
+
+struct acpi_lis3lv02d {
+       struct acpi_device      *device;   /* The ACPI device */
+       acpi_status (*init) (acpi_handle handle);
+       acpi_status (*write) (acpi_handle handle, int reg, u8 val);
+       acpi_status (*read) (acpi_handle handle, int reg, u8 *ret);
+
+       struct input_dev        *idev;     /* input device */
+       struct task_struct      *kthread;  /* kthread for input */
+       struct mutex            lock;
+       struct platform_device  *pdev;     /* platform device */
+       atomic_t                count;     /* interrupt count after last read */
+       int                     xcalib;    /* calibrated null value for x */
+       int                     ycalib;    /* calibrated null value for y */
+       int                     zcalib;    /* calibrated null value for z */
+       unsigned char           is_on;     /* whether the device is on or off */
+       unsigned char           usage;     /* usage counter */
+       struct axis_conversion  ac;        /* hw -> logical axis */
+};
+
+int lis3lv02d_init_device(struct acpi_lis3lv02d *dev);
+int lis3lv02d_joystick_enable(void);
+void lis3lv02d_joystick_disable(void);
+void lis3lv02d_poweroff(acpi_handle handle);
+void lis3lv02d_poweron(acpi_handle handle);
+int lis3lv02d_remove_fs(void);
+
+extern struct acpi_lis3lv02d adev;