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path: root/drivers/input/joystick/spaceball.c
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Diffstat (limited to 'drivers/input/joystick/spaceball.c')
-rw-r--r--drivers/input/joystick/spaceball.c121
1 files changed, 50 insertions, 71 deletions
diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c
index a436f222085..f4445a4e8d6 100644
--- a/drivers/input/joystick/spaceball.c
+++ b/drivers/input/joystick/spaceball.c
@@ -1,6 +1,4 @@
/*
- * $Id: spaceball.c,v 1.17 2002/01/22 20:29:03 vojtech Exp $
- *
* Copyright (c) 1999-2001 Vojtech Pavlik
*
* Based on the work of:
@@ -35,7 +33,6 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/input.h>
#include <linux/serio.h>
@@ -50,7 +47,7 @@ MODULE_LICENSE("GPL");
*/
#define SPACEBALL_MAX_LENGTH 128
-#define SPACEBALL_MAX_ID 8
+#define SPACEBALL_MAX_ID 9
#define SPACEBALL_1003 1
#define SPACEBALL_2003B 3
@@ -70,8 +67,7 @@ static char *spaceball_names[] = {
*/
struct spaceball {
- struct input_dev dev;
- struct serio *serio;
+ struct input_dev *dev;
int idx;
int escape;
unsigned char data[SPACEBALL_MAX_LENGTH];
@@ -83,16 +79,14 @@ struct spaceball {
* SpaceBall.
*/
-static void spaceball_process_packet(struct spaceball* spaceball, struct pt_regs *regs)
+static void spaceball_process_packet(struct spaceball* spaceball)
{
- struct input_dev *dev = &spaceball->dev;
+ struct input_dev *dev = spaceball->dev;
unsigned char *data = spaceball->data;
int i;
if (spaceball->idx < 2) return;
- input_regs(dev, regs);
-
switch (spaceball->data[0]) {
case 'D': /* Ball data */
@@ -152,13 +146,13 @@ static void spaceball_process_packet(struct spaceball* spaceball, struct pt_regs
*/
static irqreturn_t spaceball_interrupt(struct serio *serio,
- unsigned char data, unsigned int flags, struct pt_regs *regs)
+ unsigned char data, unsigned int flags)
{
struct spaceball *spaceball = serio_get_drvdata(serio);
switch (data) {
case 0xd:
- spaceball_process_packet(spaceball, regs);
+ spaceball_process_packet(spaceball);
spaceball->idx = 0;
spaceball->escape = 0;
break;
@@ -193,9 +187,9 @@ static void spaceball_disconnect(struct serio *serio)
{
struct spaceball* spaceball = serio_get_drvdata(serio);
- input_unregister_device(&spaceball->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
+ input_unregister_device(spaceball->dev);
kfree(spaceball);
}
@@ -208,69 +202,70 @@ static void spaceball_disconnect(struct serio *serio)
static int spaceball_connect(struct serio *serio, struct serio_driver *drv)
{
struct spaceball *spaceball;
- int i, t, id;
- int err;
+ struct input_dev *input_dev;
+ int err = -ENOMEM;
+ int i, id;
if ((id = serio->id.id) > SPACEBALL_MAX_ID)
return -ENODEV;
- if (!(spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL)))
- return - ENOMEM;
+ spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!spaceball || !input_dev)
+ goto fail1;
+
+ spaceball->dev = input_dev;
+ snprintf(spaceball->phys, sizeof(spaceball->phys), "%s/input0", serio->phys);
- memset(spaceball, 0, sizeof(struct spaceball));
+ input_dev->name = spaceball_names[id];
+ input_dev->phys = spaceball->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_SPACEBALL;
+ input_dev->id.product = id;
+ input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &serio->dev;
- spaceball->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
switch (id) {
case SPACEBALL_4000FLX:
case SPACEBALL_4000FLX_L:
- spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_9);
- spaceball->dev.keybit[LONG(BTN_A)] |= BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_MODE);
+ input_dev->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_9);
+ input_dev->keybit[BIT_WORD(BTN_A)] |= BIT_MASK(BTN_A) |
+ BIT_MASK(BTN_B) | BIT_MASK(BTN_C) |
+ BIT_MASK(BTN_MODE);
default:
- spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4)
- | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7) | BIT(BTN_8);
+ input_dev->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_2) |
+ BIT_MASK(BTN_3) | BIT_MASK(BTN_4) |
+ BIT_MASK(BTN_5) | BIT_MASK(BTN_6) |
+ BIT_MASK(BTN_7) | BIT_MASK(BTN_8);
case SPACEBALL_3003C:
- spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_1) | BIT(BTN_8);
+ input_dev->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_1) |
+ BIT_MASK(BTN_8);
}
- for (i = 0; i < 6; i++) {
- t = spaceball_axes[i];
- set_bit(t, spaceball->dev.absbit);
- spaceball->dev.absmin[t] = i < 3 ? -8000 : -1600;
- spaceball->dev.absmax[t] = i < 3 ? 8000 : 1600;
- spaceball->dev.absflat[t] = i < 3 ? 40 : 8;
- spaceball->dev.absfuzz[t] = i < 3 ? 8 : 2;
+ for (i = 0; i < 3; i++) {
+ input_set_abs_params(input_dev, ABS_X + i, -8000, 8000, 8, 40);
+ input_set_abs_params(input_dev, ABS_RX + i, -1600, 1600, 2, 8);
}
- spaceball->serio = serio;
- spaceball->dev.private = spaceball;
-
- sprintf(spaceball->phys, "%s/input0", serio->phys);
-
- init_input_dev(&spaceball->dev);
- spaceball->dev.name = spaceball_names[id];
- spaceball->dev.phys = spaceball->phys;
- spaceball->dev.id.bustype = BUS_RS232;
- spaceball->dev.id.vendor = SERIO_SPACEBALL;
- spaceball->dev.id.product = id;
- spaceball->dev.id.version = 0x0100;
- spaceball->dev.dev = &serio->dev;
-
serio_set_drvdata(serio, spaceball);
err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(spaceball);
- return err;
- }
-
- input_register_device(&spaceball->dev);
+ if (err)
+ goto fail2;
- printk(KERN_INFO "input: %s on serio%s\n",
- spaceball_names[id], serio->phys);
+ err = input_register_device(spaceball->dev);
+ if (err)
+ goto fail3;
return 0;
+
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(input_dev);
+ kfree(spaceball);
+ return err;
}
/*
@@ -300,20 +295,4 @@ static struct serio_driver spaceball_drv = {
.disconnect = spaceball_disconnect,
};
-/*
- * The functions for inserting/removing us as a module.
- */
-
-static int __init spaceball_init(void)
-{
- serio_register_driver(&spaceball_drv);
- return 0;
-}
-
-static void __exit spaceball_exit(void)
-{
- serio_unregister_driver(&spaceball_drv);
-}
-
-module_init(spaceball_init);
-module_exit(spaceball_exit);
+module_serio_driver(spaceball_drv);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 11:16:59 +0000