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path: root/drivers/input/touchscreen/gunze.c
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Diffstat (limited to 'drivers/input/touchscreen/gunze.c')
-rw-r--r--drivers/input/touchscreen/gunze.c100
1 files changed, 42 insertions, 58 deletions
diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c
index 53a27e43dd2..e2ee6261527 100644
--- a/drivers/input/touchscreen/gunze.c
+++ b/drivers/input/touchscreen/gunze.c
@@ -1,6 +1,4 @@
/*
- * $Id: gunze.c,v 1.12 2001/09/25 10:12:07 vojtech Exp $
- *
* Copyright (c) 2000-2001 Vojtech Pavlik
*/
@@ -34,7 +32,6 @@
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/serio.h>
-#include <linux/init.h>
#define DRIVER_DESC "Gunze AHL-51S touchscreen driver"
@@ -48,23 +45,21 @@ MODULE_LICENSE("GPL");
#define GUNZE_MAX_LENGTH 10
-static char *gunze_name = "Gunze AHL-51S TouchScreen";
-
/*
* Per-touchscreen data.
*/
struct gunze {
- struct input_dev dev;
+ 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 pt_regs *regs)
+static void gunze_process_packet(struct gunze* gunze)
{
- struct input_dev *dev = &gunze->dev;
+ struct input_dev *dev = gunze->dev;
if (gunze->idx != GUNZE_MAX_LENGTH || gunze->data[5] != ',' ||
(gunze->data[0] != 'T' && gunze->data[0] != 'R')) {
@@ -72,7 +67,6 @@ static void gunze_process_packet(struct gunze* gunze, struct pt_regs *regs)
return;
}
- input_regs(dev, regs);
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');
@@ -80,12 +74,12 @@ static void gunze_process_packet(struct gunze* gunze, struct pt_regs *regs)
}
static irqreturn_t gunze_interrupt(struct serio *serio,
- unsigned char data, unsigned int flags, struct pt_regs *regs)
+ unsigned char data, unsigned int flags)
{
struct gunze* gunze = serio_get_drvdata(serio);
if (data == '\r') {
- gunze_process_packet(gunze, regs);
+ gunze_process_packet(gunze);
gunze->idx = 0;
} else {
if (gunze->idx < GUNZE_MAX_LENGTH)
@@ -100,11 +94,13 @@ static irqreturn_t gunze_interrupt(struct serio *serio,
static void gunze_disconnect(struct serio *serio)
{
- struct gunze* gunze = serio_get_drvdata(serio);
+ struct gunze *gunze = serio_get_drvdata(serio);
- input_unregister_device(&gunze->dev);
+ 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);
}
@@ -117,45 +113,49 @@ static void gunze_disconnect(struct serio *serio)
static int gunze_connect(struct serio *serio, struct serio_driver *drv)
{
struct gunze *gunze;
+ struct input_dev *input_dev;
int err;
- if (!(gunze = kmalloc(sizeof(struct gunze), GFP_KERNEL)))
- return -ENOMEM;
-
- memset(gunze, 0, sizeof(struct gunze));
-
- init_input_dev(&gunze->dev);
- gunze->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- gunze->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
- input_set_abs_params(&gunze->dev, ABS_X, 24, 1000, 0, 0);
- input_set_abs_params(&gunze->dev, ABS_Y, 24, 1000, 0, 0);
+ gunze = kzalloc(sizeof(struct gunze), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!gunze || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
gunze->serio = serio;
-
- sprintf(gunze->phys, "%s/input0", serio->phys);
-
- gunze->dev.private = gunze;
- gunze->dev.name = gunze_name;
- gunze->dev.phys = gunze->phys;
- gunze->dev.id.bustype = BUS_RS232;
- gunze->dev.id.vendor = SERIO_GUNZE;
- gunze->dev.id.product = 0x0051;
- gunze->dev.id.version = 0x0100;
+ 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) {
- serio_set_drvdata(serio, NULL);
- kfree(gunze);
- return err;
- }
+ if (err)
+ goto fail2;
- input_register_device(&gunze->dev);
-
- printk(KERN_INFO "input: %s on %s\n", gunze_name, serio->phys);
+ 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;
}
/*
@@ -185,20 +185,4 @@ static struct serio_driver gunze_drv = {
.disconnect = gunze_disconnect,
};
-/*
- * The functions for inserting/removing us as a module.
- */
-
-static int __init gunze_init(void)
-{
- serio_register_driver(&gunze_drv);
- return 0;
-}
-
-static void __exit gunze_exit(void)
-{
- serio_unregister_driver(&gunze_drv);
-}
-
-module_init(gunze_init);
-module_exit(gunze_exit);
+module_serio_driver(gunze_drv);