#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/input.h>
+#include <linux/jiffies.h>
+
+#define DRIVER_DESC "FP-Gaming Assasin 3D joystick driver"
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
-MODULE_DESCRIPTION("FP-Gaming Assasin 3D joystick driver");
+MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
-#define A3D_MAX_START 400 /* 400 us */
-#define A3D_MAX_STROBE 60 /* 40 us */
-#define A3D_DELAY_READ 3 /* 3 ms */
+#define A3D_MAX_START 600 /* 600 us */
+#define A3D_MAX_STROBE 80 /* 80 us */
#define A3D_MAX_LENGTH 40 /* 40*3 bits */
-#define A3D_REFRESH_TIME HZ/50 /* 20 ms */
#define A3D_MODE_A3D 1 /* Assassin 3D */
#define A3D_MODE_PAN 2 /* Panther */
#define A3D_MODE_OEM 3 /* Panther OEM version */
#define A3D_MODE_PXL 4 /* Panther XL */
-char *a3d_names[] = { NULL, "FP-Gaming Assassin 3D", "MadCatz Panther", "OEM Panther",
+static char *a3d_names[] = { NULL, "FP-Gaming Assassin 3D", "MadCatz Panther", "OEM Panther",
"MadCatz Panther XL", "MadCatz Panther XL w/ rudder" };
struct a3d {
struct gameport *gameport;
- struct gameport adc;
- struct input_dev dev;
- struct timer_list timer;
+ struct gameport *adc;
+ struct input_dev *dev;
int axes[4];
int buttons;
int mode;
int length;
- int used;
int reads;
int bads;
char phys[32];
- char adcphys[32];
};
/*
static int a3d_csum(char *data, int count)
{
int i, csum = 0;
- for (i = 0; i < count - 2; i++) csum += data[i];
+
+ for (i = 0; i < count - 2; i++)
+ csum += data[i];
return (csum & 0x3f) != ((data[count - 2] << 3) | data[count - 1]);
}
static void a3d_read(struct a3d *a3d, unsigned char *data)
{
- struct input_dev *dev = &a3d->dev;
+ struct input_dev *dev = a3d->dev;
switch (a3d->mode) {
input_report_rel(dev, REL_X, ((data[5] << 6) | (data[6] << 3) | data[ 7]) - ((data[5] & 4) << 7));
input_report_rel(dev, REL_Y, ((data[8] << 6) | (data[9] << 3) | data[10]) - ((data[8] & 4) << 7));
-
+
input_report_key(dev, BTN_RIGHT, data[2] & 1);
input_report_key(dev, BTN_LEFT, data[3] & 2);
input_report_key(dev, BTN_MIDDLE, data[3] & 4);
a3d->buttons = ((data[3] << 3) | data[4]) & 0xf;
- return;
+ break;
case A3D_MODE_PXL:
input_sync(dev);
- return;
+ break;
}
}
/*
- * a3d_timer() reads and analyzes A3D joystick data.
+ * a3d_poll() reads and analyzes A3D joystick data.
*/
-static void a3d_timer(unsigned long private)
+static void a3d_poll(struct gameport *gameport)
{
- struct a3d *a3d = (void *) private;
+ struct a3d *a3d = gameport_get_drvdata(gameport);
unsigned char data[A3D_MAX_LENGTH];
+
a3d->reads++;
- if (a3d_read_packet(a3d->gameport, a3d->length, data) != a3d->length
- || data[0] != a3d->mode || a3d_csum(data, a3d->length))
- a3d->bads++; else a3d_read(a3d, data);
- mod_timer(&a3d->timer, jiffies + A3D_REFRESH_TIME);
+ if (a3d_read_packet(a3d->gameport, a3d->length, data) != a3d->length ||
+ data[0] != a3d->mode || a3d_csum(data, a3d->length))
+ a3d->bads++;
+ else
+ a3d_read(a3d, data);
}
/*
* call this more than 50 times a second, which would use too much CPU.
*/
-int a3d_adc_cooked_read(struct gameport *gameport, int *axes, int *buttons)
+static int a3d_adc_cooked_read(struct gameport *gameport, int *axes, int *buttons)
{
- struct a3d *a3d = gameport->driver;
+ struct a3d *a3d = gameport->port_data;
int i;
+
for (i = 0; i < 4; i++)
axes[i] = (a3d->axes[i] < 254) ? a3d->axes[i] : -1;
- *buttons = a3d->buttons;
+ *buttons = a3d->buttons;
return 0;
}
* any but cooked data.
*/
-int a3d_adc_open(struct gameport *gameport, int mode)
+static int a3d_adc_open(struct gameport *gameport, int mode)
{
- struct a3d *a3d = gameport->driver;
+ struct a3d *a3d = gameport->port_data;
+
if (mode != GAMEPORT_MODE_COOKED)
return -1;
- if (!a3d->used++)
- mod_timer(&a3d->timer, jiffies + A3D_REFRESH_TIME);
+
+ gameport_start_polling(a3d->gameport);
return 0;
}
static void a3d_adc_close(struct gameport *gameport)
{
- struct a3d *a3d = gameport->driver;
- if (!--a3d->used)
- del_timer(&a3d->timer);
+ struct a3d *a3d = gameport->port_data;
+
+ gameport_stop_polling(a3d->gameport);
}
/*
static int a3d_open(struct input_dev *dev)
{
struct a3d *a3d = dev->private;
- if (!a3d->used++)
- mod_timer(&a3d->timer, jiffies + A3D_REFRESH_TIME);
+
+ gameport_start_polling(a3d->gameport);
return 0;
}
static void a3d_close(struct input_dev *dev)
{
struct a3d *a3d = dev->private;
- if (!--a3d->used)
- del_timer(&a3d->timer);
+
+ gameport_stop_polling(a3d->gameport);
}
/*
* a3d_connect() probes for A3D joysticks.
*/
-static void a3d_connect(struct gameport *gameport, struct gameport_dev *dev)
+static int a3d_connect(struct gameport *gameport, struct gameport_driver *drv)
{
struct a3d *a3d;
+ struct input_dev *input_dev;
+ struct gameport *adc;
unsigned char data[A3D_MAX_LENGTH];
int i;
+ int err;
- if (!(a3d = kmalloc(sizeof(struct a3d), GFP_KERNEL)))
- return;
- memset(a3d, 0, sizeof(struct a3d));
-
- gameport->private = a3d;
+ a3d = kzalloc(sizeof(struct a3d), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!a3d || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
+ a3d->dev = input_dev;
a3d->gameport = gameport;
- init_timer(&a3d->timer);
- a3d->timer.data = (long) a3d;
- a3d->timer.function = a3d_timer;
- if (gameport_open(gameport, dev, GAMEPORT_MODE_RAW))
+ gameport_set_drvdata(gameport, a3d);
+
+ err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
+ if (err)
goto fail1;
i = a3d_read_packet(gameport, A3D_MAX_LENGTH, data);
- if (!i || a3d_csum(data, i))
+ if (!i || a3d_csum(data, i)) {
+ err = -ENODEV;
goto fail2;
+ }
a3d->mode = data[0];
if (!a3d->mode || a3d->mode > 5) {
printk(KERN_WARNING "a3d.c: Unknown A3D device detected "
"(%s, id=%d), contact <vojtech@ucw.cz>\n", gameport->phys, a3d->mode);
+ err = -ENODEV;
goto fail2;
}
+ gameport_set_poll_handler(gameport, a3d_poll);
+ gameport_set_poll_interval(gameport, 20);
+
sprintf(a3d->phys, "%s/input0", gameport->phys);
- sprintf(a3d->adcphys, "%s/gameport0", gameport->phys);
+
+ input_dev->name = a3d_names[a3d->mode];
+ input_dev->phys = a3d->phys;
+ input_dev->id.bustype = BUS_GAMEPORT;
+ input_dev->id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;
+ input_dev->id.product = a3d->mode;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &gameport->dev;
+ input_dev->private = a3d;
+ input_dev->open = a3d_open;
+ input_dev->close = a3d_close;
if (a3d->mode == A3D_MODE_PXL) {
a3d->length = 33;
- init_input_dev(&a3d->dev);
-
- a3d->dev.evbit[0] |= BIT(EV_ABS) | BIT(EV_KEY) | BIT(EV_REL);
- a3d->dev.relbit[0] |= BIT(REL_X) | BIT(REL_Y);
- a3d->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_THROTTLE) | BIT(ABS_RUDDER)
- | BIT(ABS_HAT0X) | BIT(ABS_HAT0Y) | BIT(ABS_HAT1X) | BIT(ABS_HAT1Y);
-
- a3d->dev.keybit[LONG(BTN_MOUSE)] |= BIT(BTN_RIGHT) | BIT(BTN_LEFT) | BIT(BTN_MIDDLE)
- | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
-
- a3d->dev.keybit[LONG(BTN_JOYSTICK)] |= BIT(BTN_TRIGGER) | BIT(BTN_THUMB) | BIT(BTN_TOP) | BIT(BTN_PINKIE);
+ input_dev->evbit[0] |= BIT(EV_ABS) | BIT(EV_KEY) | BIT(EV_REL);
+ input_dev->relbit[0] |= BIT(REL_X) | BIT(REL_Y);
+ input_dev->absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_THROTTLE) | BIT(ABS_RUDDER)
+ | BIT(ABS_HAT0X) | BIT(ABS_HAT0Y) | BIT(ABS_HAT1X) | BIT(ABS_HAT1Y);
+ input_dev->keybit[LONG(BTN_MOUSE)] |= BIT(BTN_RIGHT) | BIT(BTN_LEFT) | BIT(BTN_MIDDLE)
+ | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
+ input_dev->keybit[LONG(BTN_JOYSTICK)] |= BIT(BTN_TRIGGER) | BIT(BTN_THUMB) | BIT(BTN_TOP)
+ | BIT(BTN_PINKIE);
a3d_read(a3d, data);
for (i = 0; i < 4; i++) {
- if (i < 2) {
- a3d->dev.absmin[axes[i]] = 48;
- a3d->dev.absmax[axes[i]] = a3d->dev.abs[axes[i]] * 2 - 48;
- a3d->dev.absflat[axes[i]] = 8;
- } else {
- a3d->dev.absmin[axes[i]] = 2;
- a3d->dev.absmax[axes[i]] = 253;
- }
- a3d->dev.absmin[ABS_HAT0X + i] = -1;
- a3d->dev.absmax[ABS_HAT0X + i] = 1;
+ if (i < 2)
+ input_set_abs_params(input_dev, axes[i], 48, input_dev->abs[axes[i]] * 2 - 48, 0, 8);
+ else
+ input_set_abs_params(input_dev, axes[i], 2, 253, 0, 0);
+ input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);
}
} else {
a3d->length = 29;
- init_input_dev(&a3d->dev);
+ input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_REL);
+ input_dev->relbit[0] |= BIT(REL_X) | BIT(REL_Y);
+ input_dev->keybit[LONG(BTN_MOUSE)] |= BIT(BTN_RIGHT) | BIT(BTN_LEFT) | BIT(BTN_MIDDLE);
- a3d->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_REL);
- a3d->dev.relbit[0] |= BIT(REL_X) | BIT(REL_Y);
- a3d->dev.keybit[LONG(BTN_MOUSE)] |= BIT(BTN_RIGHT) | BIT(BTN_LEFT) | BIT(BTN_MIDDLE);
-
- a3d->adc.driver = a3d;
- a3d->adc.open = a3d_adc_open;
- a3d->adc.close = a3d_adc_close;
- a3d->adc.cooked_read = a3d_adc_cooked_read;
- a3d->adc.fuzz = 1;
+ a3d_read(a3d, data);
- a3d->adc.name = a3d_names[a3d->mode];
- a3d->adc.phys = a3d->adcphys;
- a3d->adc.id.bustype = BUS_GAMEPORT;
- a3d->adc.id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;
- a3d->adc.id.product = a3d->mode;
- a3d->adc.id.version = 0x0100;
+ if (!(a3d->adc = adc = gameport_allocate_port()))
+ printk(KERN_ERR "a3d: Not enough memory for ADC port\n");
+ else {
+ adc->port_data = a3d;
+ adc->open = a3d_adc_open;
+ adc->close = a3d_adc_close;
+ adc->cooked_read = a3d_adc_cooked_read;
+ adc->fuzz = 1;
- a3d_read(a3d, data);
+ gameport_set_name(adc, a3d_names[a3d->mode]);
+ gameport_set_phys(adc, "%s/gameport0", gameport->phys);
+ adc->dev.parent = &gameport->dev;
- gameport_register_port(&a3d->adc);
- printk(KERN_INFO "gameport: %s on %s\n", a3d_names[a3d->mode], gameport->phys);
+ gameport_register_port(adc);
+ }
}
- a3d->dev.private = a3d;
- a3d->dev.open = a3d_open;
- a3d->dev.close = a3d_close;
+ err = input_register_device(a3d->dev);
+ if (err)
+ goto fail3;
- a3d->dev.name = a3d_names[a3d->mode];
- a3d->dev.phys = a3d->phys;
- a3d->dev.id.bustype = BUS_GAMEPORT;
- a3d->dev.id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;
- a3d->dev.id.product = a3d->mode;
- a3d->dev.id.version = 0x0100;
-
- input_register_device(&a3d->dev);
- printk(KERN_INFO "input: %s on %s\n", a3d_names[a3d->mode], a3d->phys);
+ return 0;
- return;
-fail2: gameport_close(gameport);
-fail1: kfree(a3d);
+ fail3: if (a3d->adc)
+ gameport_unregister_port(a3d->adc);
+ fail2: gameport_close(gameport);
+ fail1: gameport_set_drvdata(gameport, NULL);
+ input_free_device(input_dev);
+ kfree(a3d);
+ return err;
}
static void a3d_disconnect(struct gameport *gameport)
{
+ struct a3d *a3d = gameport_get_drvdata(gameport);
- struct a3d *a3d = gameport->private;
- input_unregister_device(&a3d->dev);
- if (a3d->mode < A3D_MODE_PXL)
- gameport_unregister_port(&a3d->adc);
+ input_unregister_device(a3d->dev);
+ if (a3d->adc)
+ gameport_unregister_port(a3d->adc);
gameport_close(gameport);
+ gameport_set_drvdata(gameport, NULL);
kfree(a3d);
}
-static struct gameport_dev a3d_dev = {
- .connect = a3d_connect,
- .disconnect = a3d_disconnect,
+static struct gameport_driver a3d_drv = {
+ .driver = {
+ .name = "adc",
+ .owner = THIS_MODULE,
+ },
+ .description = DRIVER_DESC,
+ .connect = a3d_connect,
+ .disconnect = a3d_disconnect,
};
-int __init a3d_init(void)
+static int __init a3d_init(void)
{
- gameport_register_device(&a3d_dev);
+ gameport_register_driver(&a3d_drv);
return 0;
}
-void __exit a3d_exit(void)
+static void __exit a3d_exit(void)
{
- gameport_unregister_device(&a3d_dev);
+ gameport_unregister_driver(&a3d_drv);
}
module_init(a3d_init);