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path: root/drivers/input/joystick/adi.c
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Diffstat (limited to 'drivers/input/joystick/adi.c')
-rw-r--r--drivers/input/joystick/adi.c126
1 files changed, 67 insertions, 59 deletions
diff --git a/drivers/input/joystick/adi.c b/drivers/input/joystick/adi.c
index 265962956c6..b78425765d3 100644
--- a/drivers/input/joystick/adi.c
+++ b/drivers/input/joystick/adi.c
@@ -33,7 +33,7 @@
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/gameport.h>
-#include <linux/init.h>
+#include <linux/jiffies.h>
#define DRIVER_DESC "Logitech ADI joystick family driver"
@@ -54,7 +54,7 @@ MODULE_LICENSE("GPL");
#define ADI_MIN_LENGTH 8
#define ADI_MIN_LEN_LENGTH 10
#define ADI_MIN_ID_LENGTH 66
-#define ADI_MAX_NAME_LENGTH 48
+#define ADI_MAX_NAME_LENGTH 64
#define ADI_MAX_CNAME_LENGTH 16
#define ADI_MAX_PHYS_LENGTH 64
@@ -106,7 +106,7 @@ static struct {
*/
struct adi {
- struct input_dev dev;
+ struct input_dev *dev;
int length;
int ret;
int idx;
@@ -215,7 +215,7 @@ static inline int adi_get_bits(struct adi *adi, int count)
static int adi_decode(struct adi *adi)
{
- struct input_dev *dev = &adi->dev;
+ struct input_dev *dev = adi->dev;
char *abs = adi->abs;
short *key = adi->key;
int i, t;
@@ -289,7 +289,7 @@ static void adi_poll(struct gameport *gameport)
static int adi_open(struct input_dev *dev)
{
- struct adi_port *port = dev->private;
+ struct adi_port *port = input_get_drvdata(dev);
gameport_start_polling(port->gameport);
return 0;
@@ -301,7 +301,7 @@ static int adi_open(struct input_dev *dev)
static void adi_close(struct input_dev *dev)
{
- struct adi_port *port = dev->private;
+ struct adi_port *port = input_get_drvdata(dev);
gameport_stop_polling(port->gameport);
}
@@ -318,7 +318,8 @@ static void adi_init_digital(struct gameport *gameport)
for (i = 0; seq[i]; i++) {
gameport_trigger(gameport);
- if (seq[i] > 0) msleep(seq[i]);
+ if (seq[i] > 0)
+ msleep(seq[i]);
if (seq[i] < 0) {
mdelay(-seq[i]);
udelay(-seq[i]*14); /* It looks like mdelay() is off by approx 1.4% */
@@ -397,42 +398,47 @@ static void adi_id_decode(struct adi *adi, struct adi_port *port)
}
}
-static void adi_init_input(struct adi *adi, struct adi_port *port, int half)
+static int adi_init_input(struct adi *adi, struct adi_port *port, int half)
{
- int i, t;
+ struct input_dev *input_dev;
char buf[ADI_MAX_NAME_LENGTH];
+ int i, t;
- if (!adi->length) return;
-
- init_input_dev(&adi->dev);
+ adi->dev = input_dev = input_allocate_device();
+ if (!input_dev)
+ return -ENOMEM;
t = adi->id < ADI_ID_MAX ? adi->id : ADI_ID_MAX;
snprintf(buf, ADI_MAX_PHYS_LENGTH, adi_names[t], adi->id);
- snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s", buf);
+ snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s [%s]", buf, adi->cname);
snprintf(adi->phys, ADI_MAX_PHYS_LENGTH, "%s/input%d", port->gameport->phys, half);
adi->abs = adi_abs[t];
adi->key = adi_key[t];
- adi->dev.open = adi_open;
- adi->dev.close = adi_close;
+ input_dev->name = adi->name;
+ input_dev->phys = adi->phys;
+ input_dev->id.bustype = BUS_GAMEPORT;
+ input_dev->id.vendor = GAMEPORT_ID_VENDOR_LOGITECH;
+ input_dev->id.product = adi->id;
+ input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &port->gameport->dev;
- adi->dev.name = adi->name;
- adi->dev.phys = adi->phys;
- adi->dev.id.bustype = BUS_GAMEPORT;
- adi->dev.id.vendor = GAMEPORT_ID_VENDOR_LOGITECH;
- adi->dev.id.product = adi->id;
- adi->dev.id.version = 0x0100;
+ input_set_drvdata(input_dev, port);
- adi->dev.private = port;
- adi->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->open = adi_open;
+ input_dev->close = adi_close;
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++)
- set_bit(adi->abs[i], adi->dev.absbit);
+ set_bit(adi->abs[i], input_dev->absbit);
for (i = 0; i < adi->buttons; i++)
- set_bit(adi->key[i], adi->dev.keybit);
+ set_bit(adi->key[i], input_dev->keybit);
+
+ return 0;
}
static void adi_init_center(struct adi *adi)
@@ -445,17 +451,17 @@ static void adi_init_center(struct adi *adi)
for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) {
t = adi->abs[i];
- x = adi->dev.abs[t];
+ x = input_abs_get_val(adi->dev, t);
if (t == ABS_THROTTLE || t == ABS_RUDDER || adi->id == ADI_ID_WGPE)
x = i < adi->axes10 ? 512 : 128;
if (i < adi->axes10)
- input_set_abs_params(&adi->dev, t, 64, x * 2 - 64, 2, 16);
+ input_set_abs_params(adi->dev, t, 64, x * 2 - 64, 2, 16);
else if (i < adi->axes10 + adi->axes8)
- input_set_abs_params(&adi->dev, t, 48, x * 2 - 48, 1, 16);
+ input_set_abs_params(adi->dev, t, 48, x * 2 - 48, 1, 16);
else
- input_set_abs_params(&adi->dev, t, -1, 1, 0, 0);
+ input_set_abs_params(adi->dev, t, -1, 1, 0, 0);
}
}
@@ -469,7 +475,8 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
int i;
int err;
- if (!(port = kcalloc(1, sizeof(struct adi_port), GFP_KERNEL)))
+ port = kzalloc(sizeof(struct adi_port), GFP_KERNEL);
+ if (!port)
return -ENOMEM;
port->gameport = gameport;
@@ -477,10 +484,8 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
gameport_set_drvdata(gameport, port);
err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
- if (err) {
- kfree(port);
- return err;
- }
+ if (err)
+ goto fail1;
adi_init_digital(gameport);
adi_read_packet(port);
@@ -490,13 +495,18 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
for (i = 0; i < 2; i++) {
adi_id_decode(port->adi + i, port);
- adi_init_input(port->adi + i, port, i);
+
+ if (!port->adi[i].length)
+ continue;
+
+ err = adi_init_input(port->adi + i, port, i);
+ if (err)
+ goto fail2;
}
if (!port->adi[0].length && !port->adi[1].length) {
- gameport_close(gameport);
- kfree(port);
- return -ENODEV;
+ err = -ENODEV;
+ goto fail2;
}
gameport_set_poll_handler(gameport, adi_poll);
@@ -511,12 +521,26 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
for (i = 0; i < 2; i++)
if (port->adi[i].length > 0) {
adi_init_center(port->adi + i);
- input_register_device(&port->adi[i].dev);
- printk(KERN_INFO "input: %s [%s] on %s\n",
- port->adi[i].name, port->adi[i].cname, gameport->phys);
+ err = input_register_device(port->adi[i].dev);
+ if (err)
+ goto fail3;
}
return 0;
+
+ fail3: while (--i >= 0) {
+ if (port->adi[i].length > 0) {
+ input_unregister_device(port->adi[i].dev);
+ port->adi[i].dev = NULL;
+ }
+ }
+ fail2: for (i = 0; i < 2; i++)
+ if (port->adi[i].dev)
+ input_free_device(port->adi[i].dev);
+ gameport_close(gameport);
+ fail1: gameport_set_drvdata(gameport, NULL);
+ kfree(port);
+ return err;
}
static void adi_disconnect(struct gameport *gameport)
@@ -526,16 +550,12 @@ static void adi_disconnect(struct gameport *gameport)
for (i = 0; i < 2; i++)
if (port->adi[i].length > 0)
- input_unregister_device(&port->adi[i].dev);
+ input_unregister_device(port->adi[i].dev);
gameport_close(gameport);
gameport_set_drvdata(gameport, NULL);
kfree(port);
}
-/*
- * The gameport device structure.
- */
-
static struct gameport_driver adi_drv = {
.driver = {
.name = "adi",
@@ -545,16 +565,4 @@ static struct gameport_driver adi_drv = {
.disconnect = adi_disconnect,
};
-static int __init adi_init(void)
-{
- gameport_register_driver(&adi_drv);
- return 0;
-}
-
-static void __exit adi_exit(void)
-{
- gameport_unregister_driver(&adi_drv);
-}
-
-module_init(adi_init);
-module_exit(adi_exit);
+module_gameport_driver(adi_drv);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-08 06:07:15 +0000