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path: root/drivers/input/joystick/analog.c
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Diffstat (limited to 'drivers/input/joystick/analog.c')
-rw-r--r--drivers/input/joystick/analog.c70
1 files changed, 37 insertions, 33 deletions
diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 3121961e3e7..9135606c864 100644
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -1,6 +1,4 @@
/*
- * $Id: analog.c,v 1.68 2002/01/22 20:18:32 vojtech Exp $
- *
* Copyright (c) 1996-2001 Vojtech Pavlik
*/
@@ -28,18 +26,16 @@
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
-#include <linux/config.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/gameport.h>
#include <linux/jiffies.h>
-#include <asm/timex.h>
+#include <linux/timex.h>
#define DRIVER_DESC "Analog joystick and gamepad driver"
@@ -54,13 +50,11 @@ MODULE_LICENSE("GPL");
#define ANALOG_PORTS 16
static char *js[ANALOG_PORTS];
-static int js_nargs;
+static unsigned int js_nargs;
static int analog_options[ANALOG_PORTS];
module_param_array_named(map, js, charp, &js_nargs, 0);
MODULE_PARM_DESC(map, "Describes analog joysticks type/capabilities");
-__obsolete_setup("js=");
-
/*
* Times, feature definitions.
*/
@@ -142,21 +136,21 @@ struct analog_port {
#ifdef __i386__
-#include <asm/i8253.h>
+#include <linux/i8253.h>
#define GET_TIME(x) do { if (cpu_has_tsc) rdtscl(x); else x = get_time_pit(); } while (0)
-#define DELTA(x,y) (cpu_has_tsc ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? CLOCK_TICK_RATE / HZ : 0)))
+#define DELTA(x,y) (cpu_has_tsc ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? PIT_TICK_RATE / HZ : 0)))
#define TIME_NAME (cpu_has_tsc?"TSC":"PIT")
static unsigned int get_time_pit(void)
{
unsigned long flags;
unsigned int count;
- spin_lock_irqsave(&i8253_lock, flags);
+ raw_spin_lock_irqsave(&i8253_lock, flags);
outb_p(0x00, 0x43);
count = inb_p(0x40);
count |= inb_p(0x40) << 8;
- spin_unlock_irqrestore(&i8253_lock, flags);
+ raw_spin_unlock_irqrestore(&i8253_lock, flags);
return count;
}
@@ -164,10 +158,10 @@ static unsigned int get_time_pit(void)
#define GET_TIME(x) rdtscl(x)
#define DELTA(x,y) ((y)-(x))
#define TIME_NAME "TSC"
-#elif defined(__alpha__)
+#elif defined(__alpha__) || defined(CONFIG_MN10300) || defined(CONFIG_ARM) || defined(CONFIG_TILE)
#define GET_TIME(x) do { x = get_cycles(); } while (0)
#define DELTA(x,y) ((y)-(x))
-#define TIME_NAME "PCC"
+#define TIME_NAME "get_cycles"
#else
#define FAKE_TIME
static unsigned long analog_faketime = 0;
@@ -346,7 +340,7 @@ static void analog_poll(struct gameport *gameport)
static int analog_open(struct input_dev *dev)
{
- struct analog_port *port = dev->private;
+ struct analog_port *port = input_get_drvdata(dev);
gameport_start_polling(port->gameport);
return 0;
@@ -358,7 +352,7 @@ static int analog_open(struct input_dev *dev)
static void analog_close(struct input_dev *dev)
{
- struct analog_port *port = dev->private;
+ struct analog_port *port = input_get_drvdata(dev);
gameport_stop_polling(port->gameport);
}
@@ -408,21 +402,23 @@ static void analog_calibrate_timer(struct analog_port *port)
static void analog_name(struct analog *analog)
{
- sprintf(analog->name, "Analog %d-axis %d-button",
- hweight8(analog->mask & ANALOG_AXES_STD),
- hweight8(analog->mask & ANALOG_BTNS_STD) + !!(analog->mask & ANALOG_BTNS_CHF) * 2 +
- hweight16(analog->mask & ANALOG_BTNS_GAMEPAD) + !!(analog->mask & ANALOG_HBTN_CHF) * 4);
+ snprintf(analog->name, sizeof(analog->name), "Analog %d-axis %d-button",
+ hweight8(analog->mask & ANALOG_AXES_STD),
+ hweight8(analog->mask & ANALOG_BTNS_STD) + !!(analog->mask & ANALOG_BTNS_CHF) * 2 +
+ hweight16(analog->mask & ANALOG_BTNS_GAMEPAD) + !!(analog->mask & ANALOG_HBTN_CHF) * 4);
if (analog->mask & ANALOG_HATS_ALL)
- sprintf(analog->name, "%s %d-hat",
- analog->name, hweight16(analog->mask & ANALOG_HATS_ALL));
+ snprintf(analog->name, sizeof(analog->name), "%s %d-hat",
+ analog->name, hweight16(analog->mask & ANALOG_HATS_ALL));
if (analog->mask & ANALOG_HAT_FCS)
- strcat(analog->name, " FCS");
+ strlcat(analog->name, " FCS", sizeof(analog->name));
if (analog->mask & ANALOG_ANY_CHF)
- strcat(analog->name, (analog->mask & ANALOG_SAITEK) ? " Saitek" : " CHF");
+ strlcat(analog->name, (analog->mask & ANALOG_SAITEK) ? " Saitek" : " CHF",
+ sizeof(analog->name));
- strcat(analog->name, (analog->mask & ANALOG_GAMEPAD) ? " gamepad": " joystick");
+ strlcat(analog->name, (analog->mask & ANALOG_GAMEPAD) ? " gamepad": " joystick",
+ sizeof(analog->name));
}
/*
@@ -433,9 +429,11 @@ static int analog_init_device(struct analog_port *port, struct analog *analog, i
{
struct input_dev *input_dev;
int i, j, t, v, w, x, y, z;
+ int error;
analog_name(analog);
- sprintf(analog->phys, "%s/input%d", port->gameport->phys, index);
+ snprintf(analog->phys, sizeof(analog->phys),
+ "%s/input%d", port->gameport->phys, index);
analog->buttons = (analog->mask & ANALOG_GAMEPAD) ? analog_pad_btn : analog_joy_btn;
analog->dev = input_dev = input_allocate_device();
@@ -448,11 +446,14 @@ static int analog_init_device(struct analog_port *port, struct analog *analog, i
input_dev->id.vendor = GAMEPORT_ID_VENDOR_ANALOG;
input_dev->id.product = analog->mask >> 4;
input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &port->gameport->dev;
+
+ input_set_drvdata(input_dev, port);
input_dev->open = analog_open;
input_dev->close = analog_close;
- input_dev->private = port;
- input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
for (i = j = 0; i < 4; i++)
if (analog->mask & (1 << i)) {
@@ -503,7 +504,11 @@ static int analog_init_device(struct analog_port *port, struct analog *analog, i
analog_decode(analog, port->axes, port->initial, port->buttons);
- input_register_device(analog->dev);
+ error = input_register_device(analog->dev);
+ if (error) {
+ input_free_device(analog->dev);
+ return error;
+ }
return 0;
}
@@ -666,7 +671,8 @@ static int analog_connect(struct gameport *gameport, struct gameport_driver *drv
return 0;
fail3: while (--i >= 0)
- input_unregister_device(port->analog[i].dev);
+ if (port->analog[i].mask)
+ input_unregister_device(port->analog[i].dev);
fail2: gameport_close(gameport);
fail1: gameport_set_drvdata(gameport, NULL);
kfree(port);
@@ -751,9 +757,7 @@ static struct gameport_driver analog_drv = {
static int __init analog_init(void)
{
analog_parse_options();
- gameport_register_driver(&analog_drv);
-
- return 0;
+ return gameport_register_driver(&analog_drv);
}
static void __exit analog_exit(void)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 18:40:55 +0000