diff options
Diffstat (limited to 'drivers/input/touchscreen/s5pc210_ts.c')
| -rw-r--r-- | drivers/input/touchscreen/s5pc210_ts.c | 488 |
1 files changed, 0 insertions, 488 deletions
diff --git a/drivers/input/touchscreen/s5pc210_ts.c b/drivers/input/touchscreen/s5pc210_ts.c deleted file mode 100644 index 568b480..0000000 --- a/drivers/input/touchscreen/s5pc210_ts.c +++ /dev/null @@ -1,488 +0,0 @@ -/* drivers/input/touschcreen/s5pc210_ts.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Samsung S5PC210 10.1" touchscreen 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/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/device.h> -#include <linux/input.h> -#include <linux/delay.h> -#include <linux/fs.h> -#include <linux/gpio.h> - -#include <asm/system.h> - -#include <plat/gpio-cfg.h> -#include <plat/cpu.h> - -#include <mach/irqs.h> -#include <mach/regs-gpio.h> - -#include "s5pc210_ts.h" -#include "s5pc210_ts_gpio_i2c.h" -#include "s5pc210_ts_sysfs.h" - -static int s5pv310_ts_open(struct input_dev *dev); -static void s5pv310_ts_close(struct input_dev *dev); - -static void s5pv310_ts_release_device(struct device *dev); -static void s5pv310_ts_config(unsigned char state); - -unsigned int irq_count; -struct s5pv310_ts_t s5pv310_ts; - -#define CONFIG_DEBUG_S5PV310_TS_MSG 1 -#define CAL_DELAY 1000 - -static int s5pv310_ts_cal(void) -{ - unsigned char wdata; - - /* INT_mode : disable interrupt */ - wdata = 0x00; - if (s5pv310_ts_write(MODULE_INTMODE, &wdata, 1)) { -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_ERR "failed to write disable.\n"); -#endif - return -1; - } - - /* touch calibration */ - wdata = 0x03; - /* set mode */ - if (s5pv310_ts_write(MODULE_CALIBRATION, &wdata, 1)) { -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_ERR "failed to write cal.\n"); -#endif - return -1; - } - -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_DEBUG "calibration!!!\n"); -#endif - mdelay(CAL_DELAY); - - /* INT_mode : enable interrupt, low-active, periodically*/ - wdata = 0x09; - if (s5pv310_ts_write(MODULE_INTMODE, &wdata, 1)) { -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_ERR "failed to write enable.\n"); -#endif - return -1; - } - - return 0; -} - -static void s5pv310_ts_process_data(struct touch_process_data_t *ts_data) -{ - /* read address setup */ - s5pv310_ts_write(0x00, NULL, 0x00); - - /* Acc data read */ - write_seqlock(&s5pv310_ts.lock); - s5pv310_ts_read(&s5pv310_ts.rd[0], 10); - - write_sequnlock(&s5pv310_ts.lock); - - ts_data->finger_cnt = s5pv310_ts.rd[0] & 0x03; - - if ((ts_data->x1 = ((s5pv310_ts.rd[3] << 8) | s5pv310_ts.rd[2]))) { - ts_data->x1 = (ts_data->x1 * 134) / 100; -#ifdef CONFIG_S5PV310_TS_FLIP -#else - /* flip X & resize */ - ts_data->x1 = TS_ABS_MAX_X - ts_data->x1; -#endif - } - - /* resize */ - if ((ts_data->y1 = ((s5pv310_ts.rd[5] << 8) | s5pv310_ts.rd[4]))) { - ts_data->y1 = (ts_data->y1 * 134) / 100; -#ifdef CONFIG_S5PV310_TS_FLIP - /* flip Y & resize */ - ts_data->y1 = TS_ABS_MAX_Y - ts_data->y1; -#else -#endif - } - if (ts_data->finger_cnt > 1) { - /* flip X & resize */ - if ((ts_data->x2 = ((s5pv310_ts.rd[7] << 8) | s5pv310_ts.rd[6]))) { - ts_data->x2 = (ts_data->x2 * 133) / 100; -#ifdef CONFIG_S5PV310_TS_FLIP -#else - ts_data->x2 = TS_ABS_MAX_X - ts_data->x2; -#endif - } - /* resize */ - if ((ts_data->y2 = ((s5pv310_ts.rd[9] << 8) | s5pv310_ts.rd[8]))) { - - ts_data->y2 = (ts_data->y2 * 128) / 100; -#ifdef CONFIG_S5PV310_TS_FLIP - /* flip Y & resize */ - ts_data->y2 = TS_ABS_MAX_Y - ts_data->y2; -#else -#endif - } - } -} - -static void s5pv310_ts_get_data(void) -{ - struct touch_process_data_t ts_data; - - memset(&ts_data, 0x00, sizeof(ts_data)); - - s5pv310_ts_process_data(&ts_data); -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_DEBUG "finger: %d\n", ts_data.finger_cnt); - printk(KERN_DEBUG "x1: %d, y1: %d\n", ts_data.x1, ts_data.y1); - printk(KERN_DEBUG "x2: %d, y2: %d\n", ts_data.x2, ts_data.y2); -#endif - - if (ts_data.finger_cnt == 0 && ts_data.x1 == 0 && ts_data.y1 == 0) { - if (irq_count > 10) { - s5pv310_ts_cal(); - irq_count = 0; - } - irq_count++; - } - - if (ts_data.finger_cnt > 0 && ts_data.finger_cnt < 3) { - s5pv310_ts.x = ts_data.x1; - s5pv310_ts.y = ts_data.y1; - /* press */ - input_report_abs(s5pv310_ts.driver, - ABS_MT_TOUCH_MAJOR, 200); - input_report_abs(s5pv310_ts.driver, - ABS_MT_WIDTH_MAJOR, 10); - input_report_abs(s5pv310_ts.driver, - ABS_MT_POSITION_X, s5pv310_ts.x); - input_report_abs(s5pv310_ts.driver, - ABS_MT_POSITION_Y, s5pv310_ts.y); - input_mt_sync(s5pv310_ts.driver); - - if (ts_data.finger_cnt == 2) { - s5pv310_ts.x = ts_data.x2; - s5pv310_ts.y = ts_data.y2; - /* press */ - input_report_abs(s5pv310_ts.driver, - ABS_MT_TOUCH_MAJOR, 200); - input_report_abs(s5pv310_ts.driver, - ABS_MT_WIDTH_MAJOR, 10); - input_report_abs(s5pv310_ts.driver, - ABS_MT_POSITION_X, s5pv310_ts.x); - input_report_abs(s5pv310_ts.driver, - ABS_MT_POSITION_Y, s5pv310_ts.y); - input_mt_sync(s5pv310_ts.driver); - } - input_sync(s5pv310_ts.driver); - irq_count = 0; - } else { - /* up */ - input_mt_sync(s5pv310_ts.driver); - input_sync(s5pv310_ts.driver); - } -} - -irqreturn_t s5pv310_ts_irq(int irq, void *dev_id) -{ - unsigned long flags; - - local_irq_save(flags); - local_irq_disable(); - s5pv310_ts_get_data(); - local_irq_restore(flags); - return IRQ_HANDLED; -} - -static int s5pv310_ts_open(struct input_dev *dev) -{ -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_DEBUG "%s\n", __func__); -#endif - - return 0; -} - -static void s5pv310_ts_close(struct input_dev *dev) -{ -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_DEBUG "%s\n", __func__); -#endif -} - -static void s5pv310_ts_release_device(struct device *dev) -{ -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_DEBUG "%s\n", __func__); -#endif -} - -static void s5pv310_ts_config(unsigned char state) -{ - unsigned char wdata; - - /* s5pc210_ts_reset(); */ - s5pv310_ts_port_init(); - mdelay(500); - - /* Touchscreen Active mode */ - wdata = 0x00; - s5pv310_ts_write(MODULE_POWERMODE, &wdata, 1); - mdelay(100); - - if (state == TOUCH_STATE_BOOT) { - /* INT_mode : disable interrupt */ - wdata = 0x00; - s5pv310_ts_write(MODULE_INTMODE, &wdata, 1); - - if ((soc_is_exynos4212() || soc_is_exynos4412()) && - samsung_board_rev_is_0_1()) { - s5p_register_gpio_interrupt(TS_ATTB); - s3c_gpio_cfgpin(TS_ATTB, S3C_GPIO_SFN(0xf)); - } - - if (!request_irq(S5PV310_TS_IRQ, s5pv310_ts_irq, - IRQF_DISABLED, "s5pc210-Touch IRQ", - (void *)&s5pv310_ts)) - printk(KERN_DEBUG "MT TOUCH request_irq = %d\r\n", - S5PV310_TS_IRQ); - else - printk(KERN_ERR "MT TOUCH request_irq = %d error!! \r\n", - S5PV310_TS_IRQ); - - if (gpio_is_valid(TS_ATTB)) { - if (gpio_request(TS_ATTB, "TS_ATTB")) - printk(KERN_ERR "failed to request GPH1 for TS_ATTB..\n"); - } - - s3c_gpio_cfgpin(TS_ATTB, (0xf << 20)); - s3c_gpio_setpull(TS_ATTB, S3C_GPIO_PULL_NONE); - - irq_set_irq_type(S5PV310_TS_IRQ, IRQ_TYPE_EDGE_RISING); - - /* seqlock init */ - seqlock_init(&s5pv310_ts.lock); - - s5pv310_ts.seq = 0; - - } else { - /* INT_mode : disable interrupt, low-active, finger moving */ - wdata = 0x01; - if (s5pv310_ts_write(MODULE_INTMODE, &wdata, 1)) { -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_ERR "failed to write disable.\n"); -#endif - } - - mdelay(CAL_DELAY); - /* INT_mode : enable interrupt, low-active, finger moving */ - wdata = 0x09; - if (s5pv310_ts_write(MODULE_INTMODE, &wdata, 1)) { -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_ERR "failed to write enable.\n"); -#endif - } - mdelay(100); - } -} - -static int __devinit s5pv310_ts_probe(struct platform_device *pdev) -{ - int rc; - - irq_count = 0; - /* struct init */ - memset(&s5pv310_ts, 0x00, sizeof(s5pv310_ts)); - - /* create sys_fs */ - rc = s5pv310_ts_sysfs_create(pdev); - if (rc) { - printk(KERN_ERR "%s : sysfs_create fail.\n", __func__); - return rc; - } - - s5pv310_ts.driver = input_allocate_device(); - - if (!(s5pv310_ts.driver)) { - printk(KERN_ERR "%s : cdev_alloc() no memory.\n", __func__); - s5pv310_ts_sysfs_remove(pdev); - return -ENOMEM; - } - - s5pv310_ts.driver->name = S5PV310_TS_DEVICE_NAME; - s5pv310_ts.driver->phys = "s5pv310_ts/input1"; - s5pv310_ts.driver->open = s5pv310_ts_open; - s5pv310_ts.driver->close = s5pv310_ts_close; - - s5pv310_ts.driver->id.bustype = BUS_HOST; - s5pv310_ts.driver->id.vendor = 0x16B4; - s5pv310_ts.driver->id.product = 0x0702; - s5pv310_ts.driver->id.version = 0x0001; - - set_bit(EV_ABS, s5pv310_ts.driver->evbit); - - /* multi touch */ - input_set_abs_params(s5pv310_ts.driver, ABS_MT_POSITION_X, - TS_ABS_MIN_X, TS_ABS_MAX_X, 0, 0); - input_set_abs_params(s5pv310_ts.driver, ABS_MT_POSITION_Y, - TS_ABS_MIN_Y, TS_ABS_MAX_Y, 0, 0); - input_set_abs_params(s5pv310_ts.driver, ABS_MT_TOUCH_MAJOR, - 0, 255, 2, 0); - input_set_abs_params(s5pv310_ts.driver, ABS_MT_WIDTH_MAJOR, - 0, 15, 2, 0); - - if (input_register_device(s5pv310_ts.driver)) { - printk(KERN_ERR "S5PC210 TS input register device fail.\n"); - s5pv310_ts_sysfs_remove(pdev); - input_free_device(s5pv310_ts.driver); - return -ENODEV; - } - - s5pv310_ts_config(TOUCH_STATE_BOOT); - s5pv310_ts_cal(); - - printk(KERN_DEBUG "SMDKC210(MT) Touch driver initialized.\n"); - - return 0; -} - -static int __devexit s5pv310_ts_remove(struct platform_device *pdev) -{ -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_DEBUG "%s\n", __func__); -#endif - - free_irq(S5PV310_TS_IRQ, (void *)&s5pv310_ts); - - s5pv310_ts_sysfs_remove(pdev); - - input_unregister_device(s5pv310_ts.driver); - - return 0; -} - -#ifdef CONFIG_PM -static int s5pv310_ts_resume(struct platform_device *dev) -{ - s5pv310_ts_config(TOUCH_STATE_RESUME); - - /* interrupt enable */ - enable_irq(S5PV310_TS_IRQ); - - return 0; -} - -static int s5pv310_ts_suspend(struct platform_device *dev, pm_message_t state) -{ - unsigned char wdata; - - wdata = 0x00; - s5pv310_ts_write(MODULE_POWERMODE, &wdata, 1); - mdelay(CAL_DELAY); - - /* INT_mode : disable interrupt */ - wdata = 0x00; - s5pv310_ts_write(MODULE_INTMODE, &wdata, 1); - mdelay(CAL_DELAY); - - /* Touchscreen enter freeze mode : */ - wdata = 0x01; - s5pv310_ts_write(MODULE_POWERMODE, &wdata, 1); - mdelay(100); - - /* interrupt disable */ - disable_irq(S5PV310_TS_IRQ); - - return 0; -} -#else -static int s5pv310_ts_resume(struct platform_device *dev) -{ - return 0; -} -static int s5pv310_ts_suspend(struct platform_device *dev, pm_message_t state) -{ - return 0; -} -#endif - -static struct platform_driver s5pv310_ts_platform_device_driver = { - .probe = s5pv310_ts_probe, - .remove = s5pv310_ts_remove, - .suspend = s5pv310_ts_suspend, - .resume = s5pv310_ts_resume, - .driver = { - .owner = THIS_MODULE, - .name = S5PV310_TS_DEVICE_NAME, - }, -}; - -static struct platform_device s5pv310_ts_platform_device = { - .name = S5PV310_TS_DEVICE_NAME, - .id = -1, - .num_resources = 0, - .dev = { - .release= s5pv310_ts_release_device, - }, -}; - -static int __init s5pv310_ts_init(void) -{ - int ret = platform_driver_register(&s5pv310_ts_platform_device_driver); - - if (!ret) { - ret = platform_device_register(&s5pv310_ts_platform_device); - -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_DEBUG "platform_driver_register %d\n", ret); -#endif - - if (ret) - platform_driver_unregister( - &s5pv310_ts_platform_device_driver); - } - return ret; -} - -static void __exit s5pv310_ts_exit(void) -{ -#ifdef CONFIG_DEBUG_S5PV310_TS_MSG - printk(KERN_DEBUG "%s\n", __func__); -#endif - platform_device_unregister(&s5pv310_ts_platform_device); - platform_driver_unregister(&s5pv310_ts_platform_device_driver); -} -module_init(s5pv310_ts_init); -module_exit(s5pv310_ts_exit); - -MODULE_DESCRIPTION("Samsung 10.1\" Touchscreen driver"); -MODULE_AUTHOR("Dongsu Ha <dsfine.ha@samsung.com>"); -MODULE_AUTHOR("HardKernel"); -MODULE_LICENSE("GPL"); |