* Copyright (c) 1999-2001 Vojtech Pavlik
*
* Based on the work of:
- * David Thompson
- * Joseph Krahn
+ * David Thompson
+ * Joseph Krahn
*/
/*
#include <linux/input.h>
#include <linux/serio.h>
+#define DRIVER_DESC "SpaceTec SpaceBall 2003/3003/4000 FLX driver"
+
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
-MODULE_DESCRIPTION("SpaceTec SpaceBall 2003/3003/4000 FLX driver");
+MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
/*
*/
struct spaceball {
- struct input_dev dev;
- struct serio *serio;
+ struct input_dev *dev;
int idx;
int escape;
unsigned char data[SPACEBALL_MAX_LENGTH];
static void spaceball_process_packet(struct spaceball* spaceball, struct pt_regs *regs)
{
- struct input_dev *dev = &spaceball->dev;
+ struct input_dev *dev = spaceball->dev;
unsigned char *data = spaceball->data;
int i;
static irqreturn_t spaceball_interrupt(struct serio *serio,
unsigned char data, unsigned int flags, struct pt_regs *regs)
{
- struct spaceball *spaceball = serio->private;
+ struct spaceball *spaceball = serio_get_drvdata(serio);
switch (data) {
case 0xd:
static void spaceball_disconnect(struct serio *serio)
{
- struct spaceball* spaceball = serio->private;
- input_unregister_device(&spaceball->dev);
+ struct spaceball* spaceball = serio_get_drvdata(serio);
+
serio_close(serio);
+ serio_set_drvdata(serio, NULL);
+ input_unregister_device(spaceball->dev);
kfree(spaceball);
}
/*
* spaceball_connect() is the routine that is called when someone adds a
- * new serio device. It looks for the Magellan, and if found, registers
- * it as an input device.
+ * new serio device that supports Spaceball protocol and registers it as
+ * an input device.
*/
-static void spaceball_connect(struct serio *serio, struct serio_dev *dev)
+static int spaceball_connect(struct serio *serio, struct serio_driver *drv)
{
struct spaceball *spaceball;
- int i, t, id;
+ struct input_dev *input_dev;
+ int err = -ENOMEM;
+ int i, id;
- if ((serio->type & ~SERIO_ID) != (SERIO_RS232 | SERIO_SPACEBALL))
- return;
+ if ((id = serio->id.id) > SPACEBALL_MAX_ID)
+ return -ENODEV;
- if ((id = (serio->type & SERIO_ID) >> 8) > SPACEBALL_MAX_ID)
- return;
+ spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!spaceball || !input_dev)
+ goto fail;
+
+ spaceball->dev = input_dev;
+ sprintf(spaceball->phys, "%s/input0", serio->phys);
- if (!(spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL)))
- return;
- 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->cdev.dev = &serio->dev;
+ input_dev->private = spaceball;
- spaceball->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(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[LONG(BTN_0)] |= BIT(BTN_9);
+ input_dev->keybit[LONG(BTN_A)] |= BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_MODE);
default:
- spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4)
+ input_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);
case SPACEBALL_3003C:
- spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_1) | BIT(BTN_8);
+ input_dev->keybit[LONG(BTN_0)] |= BIT(BTN_1) | BIT(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;
+ serio_set_drvdata(serio, spaceball);
- serio->private = spaceball;
+ err = serio_open(serio, drv);
+ if (err)
+ goto fail;
- if (serio_open(serio, dev)) {
- kfree(spaceball);
- return;
- }
-
- input_register_device(&spaceball->dev);
+ input_register_device(spaceball->dev);
+ return 0;
- printk(KERN_INFO "input: %s on serio%s\n",
- spaceball_names[id], serio->phys);
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(spaceball);
+ return err;
}
/*
- * The serio device structure.
+ * The serio driver structure.
*/
-static struct serio_dev spaceball_dev = {
- .interrupt = spaceball_interrupt,
- .connect = spaceball_connect,
- .disconnect = spaceball_disconnect,
+static struct serio_device_id spaceball_serio_ids[] = {
+ {
+ .type = SERIO_RS232,
+ .proto = SERIO_SPACEBALL,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, spaceball_serio_ids);
+
+static struct serio_driver spaceball_drv = {
+ .driver = {
+ .name = "spaceball",
+ },
+ .description = DRIVER_DESC,
+ .id_table = spaceball_serio_ids,
+ .interrupt = spaceball_interrupt,
+ .connect = spaceball_connect,
+ .disconnect = spaceball_disconnect,
};
/*
* The functions for inserting/removing us as a module.
*/
-int __init spaceball_init(void)
+static int __init spaceball_init(void)
{
- serio_register_device(&spaceball_dev);
+ serio_register_driver(&spaceball_drv);
return 0;
}
-void __exit spaceball_exit(void)
+static void __exit spaceball_exit(void)
{
- serio_unregister_device(&spaceball_dev);
+ serio_unregister_driver(&spaceball_drv);
}
module_init(spaceball_init);