diff options
Diffstat (limited to 'sensors/kr3dm.h')
| -rw-r--r-- | sensors/kr3dm.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sensors/kr3dm.h b/sensors/kr3dm.h new file mode 100644 index 0000000..d404d28 --- /dev/null +++ b/sensors/kr3dm.h @@ -0,0 +1,46 @@ +/* + * STMicroelectronics kr3dm acceleration sensor driver + * + * Copyright (C) 2010 Samsung Electronics Co.Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __KR3DM_ACC_HEADER__ +#define __KR3DM__ACC_HEADER__ + +#include <linux/types.h> +#include <linux/ioctl.h> + +struct kr3dm_acceldata { + __s16 x; + __s16 y; + __s16 z; +}; + +/* dev info */ +#define ACC_DEV_NAME "accelerometer" + +/* kr3dm ioctl command label */ +#define KR3DM_IOCTL_BASE 'a' +#define KR3DM_IOCTL_SET_DELAY _IOW(KR3DM_IOCTL_BASE, 0, int64_t) +#define KR3DM_IOCTL_GET_DELAY _IOR(KR3DM_IOCTL_BASE, 1, int64_t) +#define KR3DM_IOCTL_READ_ACCEL_XYZ _IOR(KR3DM_IOCTL_BASE, 8, \ + struct kr3dm_acceldata) + +#ifdef __KERNEL__ +struct kr3dm_platform_data { + int gpio_acc_int; /* gpio for kr3dm int output */ + s8 *rotation; /* rotation matrix, if NULL assume Id */ +}; +#endif /* __KERNEL__ */ + +#endif |