diff options
Diffstat (limited to 'include/linux/mfd/da9052/wdt.h')
| -rw-r--r-- | include/linux/mfd/da9052/wdt.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/include/linux/mfd/da9052/wdt.h b/include/linux/mfd/da9052/wdt.h new file mode 100644 index 000000000000..6a77bfc5fd9b --- /dev/null +++ b/include/linux/mfd/da9052/wdt.h @@ -0,0 +1,83 @@ +/* + * da9052 SM (watchdog) 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_WDT_H +#define __LINUX_MFD_DA9052_WDT_H + +#include <linux/platform_device.h> + +/* To enable debug output for your module, set this to 1 */ +#define DA9052_SM_DEBUG 0 + +/* Error codes */ +#define BUS_ERR 2 +#define INIT_FAIL 3 +#define SM_OPEN_FAIL 4 +#define NO_IOCTL_CMD 5 +#define INVALID_SCALING_VALUE 6 +#define STROBING_FILTER_ERROR 7 +#define TIMER_DELETE_ERR 8 +#define STROBING_MODE_ERROR 9 + +/* IOCTL Switch */ +/* For strobe watchdog function */ +#define DA9052_SM_IOCTL_STROBE_WDT 1 + +/* For setting watchdog timer time */ +#define DA9052_SM_IOCTL_SET_WDT 2 + +/* For enabling/disabling strobing filter */ +#define DA9052_SM_IOCTL_SET_STROBING_FILTER 3 + +/* For enabling/disabling strobing filter */ +#define DA9052_SM_IOCTL_SET_STROBING_MODE 4 + +/* Watchdog time scaling TWDMAX scaling macros */ +#define DA9052_WDT_DISABLE 0 +#define DA9052_SCALE_1X 1 +#define DA9052_SCALE_2X 2 +#define DA9052_SCALE_4X 3 +#define DA9052_SCALE_8X 4 +#define DA9052_SCALE_16X 5 +#define DA9052_SCALE_32X 6 +#define DA9052_SCALE_64X 7 + +#define DA9052_STROBE_WIN_FILTER_PER 80 +#define DA9052_X1_WINDOW ((1 * 2048 * DA9052_STROBE_WIN_FILTER_PER)/100) +#define DA9052_X2_WINDOW ((2 * 2048 * DA9052_STROBE_WIN_FILTER_PER)/100) +#define DA9052_X4_WINDOW ((4 * 2048 * DA9052_STROBE_WIN_FILTER_PER)/100) +#define DA9052_X8_WINDOW ((8 * 2048 * DA9052_STROBE_WIN_FILTER_PER)/100) +#define DA9052_X16_WINDOW ((16 * 2048 * DA9052_STROBE_WIN_FILTER_PER)/100) +#define DA9052_X32_WINDOW ((32 * 2048 * DA9052_STROBE_WIN_FILTER_PER)/100) +#define DA9052_X64_WINDOW ((64 * 2048 * DA9052_STROBE_WIN_FILTER_PER)/100) + +#define DA9052_STROBE_AUTO 1 +#define DA9052_STROBE_MANUAL 0 + +#define DA9052_SM_STROBE_CONF DISABLE + +#define DA9052_ADC_TWDMIN_TIME 500 + +void start_strobing(struct work_struct *work); +/* Create a handler for the scheduling start_strobing function */ +DECLARE_WORK(strobing_action, start_strobing); + +#endif /* __LINUX_MFD_DA9052_WDT_H */ |