diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/touchscreen/gunze.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/touchscreen/gunze.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/ANDROID_3.4.5/drivers/input/touchscreen/gunze.c b/ANDROID_3.4.5/drivers/input/touchscreen/gunze.c deleted file mode 100644 index a54f90e0..00000000 --- a/ANDROID_3.4.5/drivers/input/touchscreen/gunze.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Copyright (c) 2000-2001 Vojtech Pavlik - */ - -/* - * Gunze AHL-51S touchscreen driver for Linux - */ - -/* - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Should you need to contact me, the author, you can do so either by - * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: - * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic - */ - -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/input.h> -#include <linux/serio.h> -#include <linux/init.h> - -#define DRIVER_DESC "Gunze AHL-51S touchscreen driver" - -MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - -/* - * Definitions & global arrays. - */ - -#define GUNZE_MAX_LENGTH 10 - -/* - * Per-touchscreen data. - */ - -struct gunze { - struct input_dev *dev; - struct serio *serio; - int idx; - unsigned char data[GUNZE_MAX_LENGTH]; - char phys[32]; -}; - -static void gunze_process_packet(struct gunze* gunze) -{ - struct input_dev *dev = gunze->dev; - - if (gunze->idx != GUNZE_MAX_LENGTH || gunze->data[5] != ',' || - (gunze->data[0] != 'T' && gunze->data[0] != 'R')) { - printk(KERN_WARNING "gunze.c: bad packet: >%.*s<\n", GUNZE_MAX_LENGTH, gunze->data); - return; - } - - input_report_abs(dev, ABS_X, simple_strtoul(gunze->data + 1, NULL, 10)); - input_report_abs(dev, ABS_Y, 1024 - simple_strtoul(gunze->data + 6, NULL, 10)); - input_report_key(dev, BTN_TOUCH, gunze->data[0] == 'T'); - input_sync(dev); -} - -static irqreturn_t gunze_interrupt(struct serio *serio, - unsigned char data, unsigned int flags) -{ - struct gunze* gunze = serio_get_drvdata(serio); - - if (data == '\r') { - gunze_process_packet(gunze); - gunze->idx = 0; - } else { - if (gunze->idx < GUNZE_MAX_LENGTH) - gunze->data[gunze->idx++] = data; - } - return IRQ_HANDLED; -} - -/* - * gunze_disconnect() is the opposite of gunze_connect() - */ - -static void gunze_disconnect(struct serio *serio) -{ - struct gunze *gunze = serio_get_drvdata(serio); - - input_get_device(gunze->dev); - input_unregister_device(gunze->dev); - serio_close(serio); - serio_set_drvdata(serio, NULL); - input_put_device(gunze->dev); - kfree(gunze); -} - -/* - * gunze_connect() is the routine that is called when someone adds a - * new serio device that supports Gunze protocol and registers it as - * an input device. - */ - -static int gunze_connect(struct serio *serio, struct serio_driver *drv) -{ - struct gunze *gunze; - struct input_dev *input_dev; - int err; - - gunze = kzalloc(sizeof(struct gunze), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!gunze || !input_dev) { - err = -ENOMEM; - goto fail1; - } - - gunze->serio = serio; - gunze->dev = input_dev; - snprintf(gunze->phys, sizeof(serio->phys), "%s/input0", serio->phys); - - input_dev->name = "Gunze AHL-51S TouchScreen"; - input_dev->phys = gunze->phys; - input_dev->id.bustype = BUS_RS232; - input_dev->id.vendor = SERIO_GUNZE; - input_dev->id.product = 0x0051; - input_dev->id.version = 0x0100; - input_dev->dev.parent = &serio->dev; - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); - input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); - input_set_abs_params(input_dev, ABS_X, 24, 1000, 0, 0); - input_set_abs_params(input_dev, ABS_Y, 24, 1000, 0, 0); - - serio_set_drvdata(serio, gunze); - - err = serio_open(serio, drv); - if (err) - goto fail2; - - err = input_register_device(gunze->dev); - if (err) - goto fail3; - - return 0; - - fail3: serio_close(serio); - fail2: serio_set_drvdata(serio, NULL); - fail1: input_free_device(input_dev); - kfree(gunze); - return err; -} - -/* - * The serio driver structure. - */ - -static struct serio_device_id gunze_serio_ids[] = { - { - .type = SERIO_RS232, - .proto = SERIO_GUNZE, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { 0 } -}; - -MODULE_DEVICE_TABLE(serio, gunze_serio_ids); - -static struct serio_driver gunze_drv = { - .driver = { - .name = "gunze", - }, - .description = DRIVER_DESC, - .id_table = gunze_serio_ids, - .interrupt = gunze_interrupt, - .connect = gunze_connect, - .disconnect = gunze_disconnect, -}; - -/* - * The functions for inserting/removing us as a module. - */ - -static int __init gunze_init(void) -{ - return serio_register_driver(&gunze_drv); -} - -static void __exit gunze_exit(void) -{ - serio_unregister_driver(&gunze_drv); -} - -module_init(gunze_init); -module_exit(gunze_exit); |