#include <linux/init.h>
#include <linux/input.h>
#include <linux/gameport.h>
+#include <linux/jiffies.h>
#include <asm/timex.h>
#define DRIVER_DESC "Analog joystick and gamepad driver"
static unsigned char analog_chf[] = { 0xf, 0x0, 0x1, 0x9, 0x2, 0x4, 0xc, 0x8, 0x3, 0x5, 0xb, 0x7, 0xd, 0xe, 0xa, 0x6 };
struct analog {
- struct input_dev dev;
+ struct input_dev *dev;
int mask;
short *buttons;
char name[ANALOG_MAX_NAME_LENGTH];
*/
#ifdef __i386__
+
+#include <asm/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 TIME_NAME (cpu_has_tsc?"TSC":"PIT")
static unsigned int get_time_pit(void)
{
- extern spinlock_t i8253_lock;
unsigned long flags;
unsigned int count;
static void analog_decode(struct analog *analog, int *axes, int *initial, int buttons)
{
- struct input_dev *dev = &analog->dev;
+ struct input_dev *dev = analog->dev;
int i, j;
if (analog->mask & ANALOG_HAT_FCS)
* analog_init_device()
*/
-static void analog_init_device(struct analog_port *port, struct analog *analog, int index)
+static int analog_init_device(struct analog_port *port, struct analog *analog, int index)
{
+ struct input_dev *input_dev;
int i, j, t, v, w, x, y, z;
analog_name(analog);
sprintf(analog->phys, "%s/input%d", port->gameport->phys, index);
analog->buttons = (analog->mask & ANALOG_GAMEPAD) ? analog_pad_btn : analog_joy_btn;
- init_input_dev(&analog->dev);
+ analog->dev = input_dev = input_allocate_device();
+ if (!input_dev)
+ return -ENOMEM;
- analog->dev.name = analog->name;
- analog->dev.phys = analog->phys;
- analog->dev.id.bustype = BUS_GAMEPORT;
- analog->dev.id.vendor = GAMEPORT_ID_VENDOR_ANALOG;
- analog->dev.id.product = analog->mask >> 4;
- analog->dev.id.version = 0x0100;
+ input_dev->name = analog->name;
+ input_dev->phys = analog->phys;
+ input_dev->id.bustype = BUS_GAMEPORT;
+ input_dev->id.vendor = GAMEPORT_ID_VENDOR_ANALOG;
+ input_dev->id.product = analog->mask >> 4;
+ input_dev->id.version = 0x0100;
- analog->dev.open = analog_open;
- analog->dev.close = analog_close;
- analog->dev.private = port;
- analog->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->open = analog_open;
+ input_dev->close = analog_close;
+ input_dev->private = port;
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
for (i = j = 0; i < 4; i++)
if (analog->mask & (1 << i)) {
v = (x >> 3);
w = (x >> 3);
- set_bit(t, analog->dev.absbit);
-
if ((i == 2 || i == 3) && (j == 2 || j == 3) && (z > (y >> 3)))
x = y;
w = (x >> 4);
}
- analog->dev.absmax[t] = (x << 1) - v;
- analog->dev.absmin[t] = v;
- analog->dev.absfuzz[t] = port->fuzz;
- analog->dev.absflat[t] = w;
-
+ input_set_abs_params(input_dev, t, v, (x << 1) - v, port->fuzz, w);
j++;
}
if (analog->mask & analog_exts[i])
for (x = 0; x < 2; x++) {
t = analog_hats[j++];
- set_bit(t, analog->dev.absbit);
- analog->dev.absmax[t] = 1;
- analog->dev.absmin[t] = -1;
+ input_set_abs_params(input_dev, t, -1, 1, 0, 0);
}
for (i = j = 0; i < 4; i++)
if (analog->mask & (0x10 << i))
- set_bit(analog->buttons[j++], analog->dev.keybit);
+ set_bit(analog->buttons[j++], input_dev->keybit);
if (analog->mask & ANALOG_BTNS_CHF)
for (i = 0; i < 2; i++)
- set_bit(analog->buttons[j++], analog->dev.keybit);
+ set_bit(analog->buttons[j++], input_dev->keybit);
if (analog->mask & ANALOG_HBTN_CHF)
for (i = 0; i < 4; i++)
- set_bit(analog->buttons[j++], analog->dev.keybit);
+ set_bit(analog->buttons[j++], input_dev->keybit);
for (i = 0; i < 4; i++)
if (analog->mask & (ANALOG_BTN_TL << i))
- set_bit(analog_pads[i], analog->dev.keybit);
+ set_bit(analog_pads[i], input_dev->keybit);
analog_decode(analog, port->axes, port->initial, port->buttons);
- input_register_device(&analog->dev);
+ input_register_device(analog->dev);
- printk(KERN_INFO "input: %s at %s", analog->name, port->gameport->phys);
-
- if (port->cooked)
- printk(" [ADC port]\n");
- else
- printk(" [%s timer, %d %sHz clock, %d ns res]\n", TIME_NAME,
- port->speed > 10000 ? (port->speed + 800) / 1000 : port->speed,
- port->speed > 10000 ? "M" : "k",
- port->speed > 10000 ? (port->loop * 1000) / (port->speed / 1000)
- : (port->loop * 1000000) / port->speed);
+ return 0;
}
/*
int i;
int err;
- if (!(port = kcalloc(1, sizeof(struct analog_port), GFP_KERNEL)))
+ if (!(port = kzalloc(sizeof(struct analog_port), GFP_KERNEL)))
return - ENOMEM;
err = analog_init_port(gameport, drv, port);
- if (err) {
- kfree(port);
- return err;
- }
+ if (err)
+ goto fail1;
err = analog_init_masks(port);
- if (err) {
- gameport_close(gameport);
- gameport_set_drvdata(gameport, NULL);
- kfree(port);
- return err;
- }
+ if (err)
+ goto fail2;
gameport_set_poll_handler(gameport, analog_poll);
gameport_set_poll_interval(gameport, 10);
for (i = 0; i < 2; i++)
- if (port->analog[i].mask)
- analog_init_device(port, port->analog + i, i);
+ if (port->analog[i].mask) {
+ err = analog_init_device(port, port->analog + i, i);
+ if (err)
+ goto fail3;
+ }
return 0;
+
+ fail3: while (--i >= 0)
+ input_unregister_device(port->analog[i].dev);
+ fail2: gameport_close(gameport);
+ fail1: gameport_set_drvdata(gameport, NULL);
+ kfree(port);
+ return err;
}
static void analog_disconnect(struct gameport *gameport)
{
- int i;
struct analog_port *port = gameport_get_drvdata(gameport);
+ int i;
for (i = 0; i < 2; i++)
if (port->analog[i].mask)
- input_unregister_device(&port->analog[i].dev);
+ input_unregister_device(port->analog[i].dev);
gameport_close(gameport);
gameport_set_drvdata(gameport, NULL);
printk(KERN_INFO "analog.c: %d out of %d reads (%d%%) on %s failed\n",
git://git.onelab.eu / linux-2.6.git / blobdiff