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path: root/drivers/input/joystick/grip.c
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Diffstat (limited to 'drivers/input/joystick/grip.c')
-rw-r--r--drivers/input/joystick/grip.c110
1 files changed, 57 insertions, 53 deletions
diff --git a/drivers/input/joystick/grip.c b/drivers/input/joystick/grip.c
index d1500d2562d..eac9c5b8d73 100644
--- a/drivers/input/joystick/grip.c
+++ b/drivers/input/joystick/grip.c
@@ -1,6 +1,4 @@
/*
- * $Id: grip.c,v 1.21 2002/01/22 20:27:57 vojtech Exp $
- *
* Copyright (c) 1998-2001 Vojtech Pavlik
*/
@@ -30,10 +28,10 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/gameport.h>
#include <linux/input.h>
+#include <linux/jiffies.h>
#define DRIVER_DESC "Gravis GrIP protocol joystick driver"
@@ -55,7 +53,7 @@ MODULE_LICENSE("GPL");
struct grip {
struct gameport *gameport;
- struct input_dev dev[2];
+ struct input_dev *dev[2];
unsigned char mode[2];
int reads;
int bads;
@@ -190,7 +188,10 @@ static void grip_poll(struct gameport *gameport)
for (i = 0; i < 2; i++) {
- dev = grip->dev + i;
+ dev = grip->dev[i];
+ if (!dev)
+ continue;
+
grip->reads++;
switch (grip->mode[i]) {
@@ -281,7 +282,7 @@ static void grip_poll(struct gameport *gameport)
static int grip_open(struct input_dev *dev)
{
- struct grip *grip = dev->private;
+ struct grip *grip = input_get_drvdata(dev);
gameport_start_polling(grip->gameport);
return 0;
@@ -289,7 +290,7 @@ static int grip_open(struct input_dev *dev)
static void grip_close(struct input_dev *dev)
{
- struct grip *grip = dev->private;
+ struct grip *grip = input_get_drvdata(dev);
gameport_stop_polling(grip->gameport);
}
@@ -297,11 +298,12 @@ static void grip_close(struct input_dev *dev)
static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
{
struct grip *grip;
+ struct input_dev *input_dev;
unsigned int data[GRIP_LENGTH_XT];
int i, j, t;
int err;
- if (!(grip = kcalloc(1, sizeof(struct grip), GFP_KERNEL)))
+ if (!(grip = kzalloc(sizeof(struct grip), GFP_KERNEL)))
return -ENOMEM;
grip->gameport = gameport;
@@ -339,48 +341,61 @@ static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
gameport_set_poll_handler(gameport, grip_poll);
gameport_set_poll_interval(gameport, 20);
- for (i = 0; i < 2; i++)
- if (grip->mode[i]) {
-
- sprintf(grip->phys[i], "%s/input%d", gameport->phys, i);
+ for (i = 0; i < 2; i++) {
+ if (!grip->mode[i])
+ continue;
- grip->dev[i].private = grip;
+ grip->dev[i] = input_dev = input_allocate_device();
+ if (!input_dev) {
+ err = -ENOMEM;
+ goto fail3;
+ }
- grip->dev[i].open = grip_open;
- grip->dev[i].close = grip_close;
+ snprintf(grip->phys[i], sizeof(grip->phys[i]),
+ "%s/input%d", gameport->phys, i);
- grip->dev[i].name = grip_name[grip->mode[i]];
- grip->dev[i].phys = grip->phys[i];
- grip->dev[i].id.bustype = BUS_GAMEPORT;
- grip->dev[i].id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
- grip->dev[i].id.product = grip->mode[i];
- grip->dev[i].id.version = 0x0100;
+ input_dev->name = grip_name[grip->mode[i]];
+ input_dev->phys = grip->phys[i];
+ input_dev->id.bustype = BUS_GAMEPORT;
+ input_dev->id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
+ input_dev->id.product = grip->mode[i];
+ input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &gameport->dev;
- grip->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_set_drvdata(input_dev, grip);
- for (j = 0; (t = grip_abs[grip->mode[i]][j]) >= 0; j++) {
+ input_dev->open = grip_open;
+ input_dev->close = grip_close;
- if (j < grip_cen[grip->mode[i]])
- input_set_abs_params(&grip->dev[i], t, 14, 52, 1, 2);
- else if (j < grip_anx[grip->mode[i]])
- input_set_abs_params(&grip->dev[i], t, 3, 57, 1, 0);
- else
- input_set_abs_params(&grip->dev[i], t, -1, 1, 0, 0);
- }
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
- for (j = 0; (t = grip_btn[grip->mode[i]][j]) >= 0; j++)
- if (t > 0)
- set_bit(t, grip->dev[i].keybit);
+ for (j = 0; (t = grip_abs[grip->mode[i]][j]) >= 0; j++) {
- printk(KERN_INFO "input: %s on %s\n",
- grip_name[grip->mode[i]], gameport->phys);
- input_register_device(grip->dev + i);
+ if (j < grip_cen[grip->mode[i]])
+ input_set_abs_params(input_dev, t, 14, 52, 1, 2);
+ else if (j < grip_anx[grip->mode[i]])
+ input_set_abs_params(input_dev, t, 3, 57, 1, 0);
+ else
+ input_set_abs_params(input_dev, t, -1, 1, 0, 0);
}
+ for (j = 0; (t = grip_btn[grip->mode[i]][j]) >= 0; j++)
+ if (t > 0)
+ set_bit(t, input_dev->keybit);
+
+ err = input_register_device(grip->dev[i]);
+ if (err)
+ goto fail4;
+ }
+
return 0;
-fail2: gameport_close(gameport);
-fail1: gameport_set_drvdata(gameport, NULL);
+ fail4: input_free_device(grip->dev[i]);
+ fail3: while (--i >= 0)
+ if (grip->dev[i])
+ input_unregister_device(grip->dev[i]);
+ fail2: gameport_close(gameport);
+ fail1: gameport_set_drvdata(gameport, NULL);
kfree(grip);
return err;
}
@@ -391,8 +406,8 @@ static void grip_disconnect(struct gameport *gameport)
int i;
for (i = 0; i < 2; i++)
- if (grip->mode[i])
- input_unregister_device(grip->dev + i);
+ if (grip->dev[i])
+ input_unregister_device(grip->dev[i]);
gameport_close(gameport);
gameport_set_drvdata(gameport, NULL);
kfree(grip);
@@ -401,22 +416,11 @@ static void grip_disconnect(struct gameport *gameport)
static struct gameport_driver grip_drv = {
.driver = {
.name = "grip",
+ .owner = THIS_MODULE,
},
.description = DRIVER_DESC,
.connect = grip_connect,
.disconnect = grip_disconnect,
};
-static int __init grip_init(void)
-{
- gameport_register_driver(&grip_drv);
- return 0;
-}
-
-static void __exit grip_exit(void)
-{
- gameport_unregister_driver(&grip_drv);
-}
-
-module_init(grip_init);
-module_exit(grip_exit);
+module_gameport_driver(grip_drv);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 05:31:14 +0000