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path: root/drivers/input/joystick/sidewinder.c
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Diffstat (limited to 'drivers/input/joystick/sidewinder.c')
-rw-r--r--drivers/input/joystick/sidewinder.c70
1 files changed, 42 insertions, 28 deletions
diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
index 9e0353721a35..eaaad45cc750 100644
--- a/drivers/input/joystick/sidewinder.c
+++ b/drivers/input/joystick/sidewinder.c
@@ -113,7 +113,7 @@ static struct {
struct sw {
struct gameport *gameport;
- struct input_dev dev[4];
+ struct input_dev *dev[4];
char name[64];
char phys[4][32];
int length;
@@ -301,7 +301,7 @@ static int sw_check(__u64 t)
static int sw_parse(unsigned char *buf, struct sw *sw)
{
int hat, i, j;
- struct input_dev *dev = sw->dev;
+ struct input_dev *dev;
switch (sw->type) {
@@ -310,6 +310,8 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
if (sw_check(GB(0,64)) || (hat = (GB(6,1) << 3) | GB(60,3)) > 8)
return -1;
+ dev = sw->dev[0];
+
input_report_abs(dev, ABS_X, (GB( 3,3) << 7) | GB(16,7));
input_report_abs(dev, ABS_Y, (GB( 0,3) << 7) | GB(24,7));
input_report_abs(dev, ABS_RZ, (GB(35,2) << 7) | GB(40,7));
@@ -335,13 +337,13 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
if (sw_parity(GB(i*15,15)))
return -1;
- input_report_abs(dev + i, ABS_X, GB(i*15+3,1) - GB(i*15+2,1));
- input_report_abs(dev + i, ABS_Y, GB(i*15+0,1) - GB(i*15+1,1));
+ input_report_abs(sw->dev[i], ABS_X, GB(i*15+3,1) - GB(i*15+2,1));
+ input_report_abs(sw->dev[i], ABS_Y, GB(i*15+0,1) - GB(i*15+1,1));
for (j = 0; j < 10; j++)
- input_report_key(dev + i, sw_btn[SW_ID_GP][j], !GB(i*15+j+4,1));
+ input_report_key(sw->dev[i], sw_btn[SW_ID_GP][j], !GB(i*15+j+4,1));
- input_sync(dev + i);
+ input_sync(sw->dev[i]);
}
return 0;
@@ -352,6 +354,7 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
if (!sw_parity(GB(0,48)) || (hat = GB(42,4)) > 8)
return -1;
+ dev = sw->dev[0];
input_report_abs(dev, ABS_X, GB( 9,10));
input_report_abs(dev, ABS_Y, GB(19,10));
input_report_abs(dev, ABS_RZ, GB(36, 6));
@@ -372,6 +375,7 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
if (!sw_parity(GB(0,43)) || (hat = GB(28,4)) > 8)
return -1;
+ dev = sw->dev[0];
input_report_abs(dev, ABS_X, GB( 0,10));
input_report_abs(dev, ABS_Y, GB(16,10));
input_report_abs(dev, ABS_THROTTLE, GB(32, 6));
@@ -396,6 +400,7 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
if (!sw_parity(GB(0,33)))
return -1;
+ dev = sw->dev[0];
input_report_abs(dev, ABS_RX, GB( 0,10));
input_report_abs(dev, ABS_RUDDER, GB(10, 6));
input_report_abs(dev, ABS_THROTTLE, GB(16, 6));
@@ -581,6 +586,7 @@ static int sw_guess_mode(unsigned char *buf, int len)
static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
{
struct sw *sw;
+ struct input_dev *input_dev;
int i, j, k, l;
int err;
unsigned char *buf = NULL; /* [SW_LENGTH] */
@@ -729,42 +735,50 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
sprintf(sw->name, "Microsoft SideWinder %s", sw_name[sw->type]);
sprintf(sw->phys[i], "%s/input%d", gameport->phys, i);
- sw->dev[i].private = sw;
+ input_dev = input_allocate_device();
+ if (!input_dev) {
+ err = -ENOMEM;
+ goto fail3;
+ }
- sw->dev[i].open = sw_open;
- sw->dev[i].close = sw_close;
+ input_dev->name = sw->name;
+ input_dev->phys = sw->phys[i];
+ input_dev->id.bustype = BUS_GAMEPORT;
+ input_dev->id.vendor = GAMEPORT_ID_VENDOR_MICROSOFT;
+ input_dev->id.product = sw->type;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &gameport->dev;
+ input_dev->private = sw;
- sw->dev[i].name = sw->name;
- sw->dev[i].phys = sw->phys[i];
- sw->dev[i].id.bustype = BUS_GAMEPORT;
- sw->dev[i].id.vendor = GAMEPORT_ID_VENDOR_MICROSOFT;
- sw->dev[i].id.product = sw->type;
- sw->dev[i].id.version = 0x0100;
+ input_dev->open = sw_open;
+ input_dev->close = sw_close;
- sw->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
for (j = 0; (bits = sw_bit[sw->type][j]); j++) {
code = sw_abs[sw->type][j];
- set_bit(code, sw->dev[i].absbit);
- sw->dev[i].absmax[code] = (1 << bits) - 1;
- sw->dev[i].absmin[code] = (bits == 1) ? -1 : 0;
- sw->dev[i].absfuzz[code] = ((bits >> 1) >= 2) ? (1 << ((bits >> 1) - 2)) : 0;
+ set_bit(code, input_dev->absbit);
+ input_dev->absmax[code] = (1 << bits) - 1;
+ input_dev->absmin[code] = (bits == 1) ? -1 : 0;
+ input_dev->absfuzz[code] = ((bits >> 1) >= 2) ? (1 << ((bits >> 1) - 2)) : 0;
if (code != ABS_THROTTLE)
- sw->dev[i].absflat[code] = (bits >= 5) ? (1 << (bits - 5)) : 0;
+ input_dev->absflat[code] = (bits >= 5) ? (1 << (bits - 5)) : 0;
}
for (j = 0; (code = sw_btn[sw->type][j]); j++)
- set_bit(code, sw->dev[i].keybit);
+ set_bit(code, input_dev->keybit);
+
+ dbg("%s%s [%d-bit id %d data %d]\n", sw->name, comment, m, l, k);
- input_register_device(sw->dev + i);
- printk(KERN_INFO "input: %s%s on %s [%d-bit id %d data %d]\n",
- sw->name, comment, gameport->phys, m, l, k);
+ input_register_device(sw->dev[i]);
}
return 0;
-fail2: gameport_close(gameport);
-fail1: gameport_set_drvdata(gameport, NULL);
+ fail3: while (--i >= 0)
+ input_unregister_device(sw->dev[i]);
+ fail2: gameport_close(gameport);
+ fail1: gameport_set_drvdata(gameport, NULL);
kfree(sw);
kfree(buf);
kfree(idbuf);
@@ -777,7 +791,7 @@ static void sw_disconnect(struct gameport *gameport)
int i;
for (i = 0; i < sw->number; i++)
- input_unregister_device(sw->dev + i);
+ input_unregister_device(sw->dev[i]);
gameport_close(gameport);
gameport_set_drvdata(gameport, NULL);
kfree(sw);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.