diff options
Diffstat (limited to 'drivers/input/touchscreen/s5pc210_ts_sysfs.c')
| -rw-r--r-- | drivers/input/touchscreen/s5pc210_ts_sysfs.c | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/drivers/input/touchscreen/s5pc210_ts_sysfs.c b/drivers/input/touchscreen/s5pc210_ts_sysfs.c deleted file mode 100644 index fbdc3de..0000000 --- a/drivers/input/touchscreen/s5pc210_ts_sysfs.c +++ /dev/null @@ -1,287 +0,0 @@ -/* drivers/input/touschcreen/s5pc210_ts_sysfs.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Samsung S5PC210 10.1" touchscreen sensor interface driver - * - * This program is free software; you can redistribute it and/or modify - * it under the term 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Copyright 2010 Hardkernel Co.,Ltd. <odroid@hardkernel.com> - * Copyright 2010 Samsung Electronics <samsung.com> - * - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/sysfs.h> - -#include "s5pc210_ts_gpio_i2c.h" -#include "s5pc210_ts.h" - -/* sysfs function prototype define */ -/* screen hold control (on -> hold, off -> normal mode) */ -static ssize_t show_hold_state(struct device *dev, - struct device_attribute *attr, char *buf); -static ssize_t set_hold_state(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count); -static DEVICE_ATTR(hold_state, S_IRWXUGO, show_hold_state, set_hold_state); - -/* touch sampling rate control (5, 10, 20 : unit msec) */ -static ssize_t show_sampling_rate(struct device *dev, - struct device_attribute *attr, char *buf); -static ssize_t set_sampling_rate(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count); -static DEVICE_ATTR(sampling_rate, S_IRWXUGO, show_sampling_rate, - set_sampling_rate); - -/* touch threshold control (range 0 - 10) : default 3 */ -#define THRESHOLD_MAX 10 - -static ssize_t show_threshold_x(struct device *dev, - struct device_attribute *attr, char *buf); -static ssize_t set_threshold_x(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count); -static DEVICE_ATTR(threshold_x, S_IRWXUGO, show_threshold_x, set_threshold_x); - -static ssize_t show_threshold_y(struct device *dev, - struct device_attribute *attr, char *buf); -static ssize_t set_threshold_y(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count); -static DEVICE_ATTR(threshold_y, S_IRWXUGO, show_threshold_y, set_threshold_y); - -/* touch calibration */ -#if defined(CONFIG_TOUCHSCREEN_EXYNOS4) -static ssize_t set_ts_cal(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count); -static DEVICE_ATTR(ts_cal, S_IWUGO, NULL, set_ts_cal); -#endif - -static struct attribute *s5pv310_ts_sysfs_entries[] = { - &dev_attr_hold_state.attr, - &dev_attr_sampling_rate.attr, - &dev_attr_threshold_x.attr, - &dev_attr_threshold_y.attr, -#if defined(CONFIG_TOUCHSCREEN_EXYNOS4) - &dev_attr_ts_cal.attr, -#endif - NULL -}; - -static struct attribute_group s5pv310_ts_attr_group = { - .name = NULL, - .attrs = s5pv310_ts_sysfs_entries, -}; - -static ssize_t show_hold_state(struct device *dev, - struct device_attribute *attr, char *buf) -{ - if (s5pv310_ts.hold_status) - return sprintf(buf, "on\n"); - else - return sprintf(buf, "off\n"); -} - -static ssize_t set_hold_state(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) -{ - unsigned long flags; - unsigned char wdata; - - local_irq_save(flags); - - if (!strcmp(buf, "on\n")) - s5pv310_ts.hold_status = 1; - else { -#if defined(CONFIG_TOUCHSCREEN_EXYNOS4) - /* INT_mode : disable interrupt, low-active, finger moving */ - wdata = 0x01; - s5pv310_ts_write(MODULE_INTMODE, &wdata, 1); - mdelay(10); - /* INT_mode : enable interrupt, low-active, finger moving */ - wdata = 0x09; - s5pv310_ts_write(MODULE_INTMODE, &wdata, 1); - mdelay(10); -#endif - s5pv310_ts.hold_status = 0; - } - - local_irq_restore(flags); - - return count; -} - -static ssize_t show_sampling_rate(struct device *dev, - struct device_attribute *attr, char *buf) -{ - switch (s5pv310_ts.sampling_rate) { - default: - s5pv310_ts.sampling_rate = 0; - case 0: - return sprintf(buf, "10 msec\n"); - case 1: - return sprintf(buf, "20 msec\n"); - case 2: - return sprintf(buf, "50 msec\n"); - } -} - -static ssize_t set_sampling_rate(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) -{ - unsigned long flags; - unsigned int val; - - if (!(sscanf(buf, "%u\n", &val))) - return -EINVAL; - - local_irq_save(flags); - if (val > 20) - s5pv310_ts.sampling_rate = 2; - else if (val > 10) - s5pv310_ts.sampling_rate = 1; - else - s5pv310_ts.sampling_rate = 0; - - local_irq_restore(flags); - - return count; -} - -static ssize_t show_threshold_x(struct device *dev, - struct device_attribute *attr, char *buf) -{ - if (s5pv310_ts.threshold_x > THRESHOLD_MAX) - s5pv310_ts.threshold_x = THRESHOLD_MAX; - - return sprintf(buf, "%d\n", s5pv310_ts.threshold_x); -} - -static ssize_t set_threshold_x(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) -{ - unsigned long flags; - unsigned int val; - - if (!(sscanf(buf, "%u\n", &val))) - return -EINVAL; - - local_irq_save(flags); - - if (val < 0) - val *= (-1); - - if (val > THRESHOLD_MAX) - val = THRESHOLD_MAX; - - s5pv310_ts.threshold_x = val; - - local_irq_restore(flags); - - return count; -} -static ssize_t show_threshold_y(struct device *dev, - struct device_attribute *attr, char *buf) -{ - if (s5pv310_ts.threshold_y > THRESHOLD_MAX) - s5pv310_ts.threshold_y = THRESHOLD_MAX; - - return sprintf(buf, "%d\n", s5pv310_ts.threshold_y); -} -static ssize_t set_threshold_y(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) -{ - unsigned long flags; - unsigned int val; - - if (!(sscanf(buf, "%u\n", &val))) - return -EINVAL; - - local_irq_save(flags); - - if (val < 0) - val *= (-1); - - if (val > THRESHOLD_MAX) - val = THRESHOLD_MAX; - - s5pv310_ts.threshold_y = val; - - local_irq_restore(flags); - - return count; -} - -#if defined(CONFIG_TOUCHSCREEN_EXYNOS4) -static ssize_t set_ts_cal(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) -{ - unsigned char wdata; - unsigned long flags; - - local_irq_save(flags); - - /* INT_mode : disable interrupt */ - wdata = 0x00; - s5pv310_ts_write(MODULE_INTMODE, &wdata, 1); - - /* touch calibration */ - wdata = 0x03; - s5pv310_ts_write(MODULE_CALIBRATION, &wdata, 1); - - mdelay(500); - - /* INT_mode : enable interrupt, low-active, periodically*/ - wdata = 0x09; - s5pv310_ts_write(MODULE_INTMODE, &wdata, 1); - - local_irq_restore(flags); - - return count; -} -#endif - -int s5pv310_ts_sysfs_create(struct platform_device *pdev) -{ - /* variable init */ - s5pv310_ts.hold_status = 0; - - /* 5 msec sampling */ - s5pv310_ts.sampling_rate = 0; - /* x data threshold (0~10) */ - s5pv310_ts.threshold_x = TS_X_THRESHOLD; - /* y data threshold (0~10) */ - s5pv310_ts.threshold_y = TS_Y_THRESHOLD; - - return sysfs_create_group(&pdev->dev.kobj, &s5pv310_ts_attr_group); -} -void s5pv310_ts_sysfs_remove(struct platform_device *pdev) -{ - sysfs_remove_group(&pdev->dev.kobj, &s5pv310_ts_attr_group); -} |