diff options
Diffstat (limited to 'include/linux/mfd/da9052/tsi_filter.h')
| -rw-r--r-- | include/linux/mfd/da9052/tsi_filter.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/linux/mfd/da9052/tsi_filter.h b/include/linux/mfd/da9052/tsi_filter.h new file mode 100644 index 000000000000..a244fbd9bf12 --- /dev/null +++ b/include/linux/mfd/da9052/tsi_filter.h @@ -0,0 +1,57 @@ +/* + * da9052 TSI filter module declarations. + * + * Copyright(c) 2009 Dialog Semiconductor 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __LINUX_MFD_DA9052_TSI_FILTER_H +#define __LINUX_MFD_DA9052_TSI_FILTER_H + +#include <linux/mfd/da9052/tsi_cfg.h> +#include <linux/semaphore.h> + +struct da9052_tsi_data { + s16 x; + s16 y; + s16 z; +}; + +struct da9052_tsi_raw_fifo { + struct semaphore lock; + s32 head; + s32 tail; + struct da9052_tsi_data data[TSI_RAW_DATA_BUF_SIZE]; +}; + +struct tsi_thread_type { + u8 pid; + u8 state; + struct completion notifier; + struct task_struct *thread_task; +} ; + +/* State for TSI thread */ +#define ACTIVE 0 +#define INACTIVE 1 + + +extern u32 da9052_tsi_get_input_dev(u8 off); + +ssize_t da9052_tsi_get_calib_display_point(struct da9052_tsi_data *displayPtr); + +#endif /* __LINUX_MFD_DA9052_TSI_FILTER_H */ |