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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.c94
1 files changed, 55 insertions, 39 deletions
diff --git a/drivers/input/joystick/adi.c b/drivers/input/joystick/adi.c
index cf35ae638a0d..704bf70f1db7 100644
--- a/drivers/input/joystick/adi.c
+++ b/drivers/input/joystick/adi.c
@@ -34,6 +34,7 @@
34#include <linux/input.h> 34#include <linux/input.h>
35#include <linux/gameport.h> 35#include <linux/gameport.h>
36#include <linux/init.h> 36#include <linux/init.h>
37#include <linux/jiffies.h>
37 38
38#define DRIVER_DESC "Logitech ADI joystick family driver" 39#define DRIVER_DESC "Logitech ADI joystick family driver"
39 40
@@ -54,7 +55,7 @@ MODULE_LICENSE("GPL");
54#define ADI_MIN_LENGTH 8 55#define ADI_MIN_LENGTH 8
55#define ADI_MIN_LEN_LENGTH 10 56#define ADI_MIN_LEN_LENGTH 10
56#define ADI_MIN_ID_LENGTH 66 57#define ADI_MIN_ID_LENGTH 66
57#define ADI_MAX_NAME_LENGTH 48 58#define ADI_MAX_NAME_LENGTH 64
58#define ADI_MAX_CNAME_LENGTH 16 59#define ADI_MAX_CNAME_LENGTH 16
59#define ADI_MAX_PHYS_LENGTH 64 60#define ADI_MAX_PHYS_LENGTH 64
60 61
@@ -106,7 +107,7 @@ static struct {
106 */ 107 */
107 108
108struct adi { 109struct adi {
109 struct input_dev dev; 110 struct input_dev *dev;
110 int length; 111 int length;
111 int ret; 112 int ret;
112 int idx; 113 int idx;
@@ -215,7 +216,7 @@ static inline int adi_get_bits(struct adi *adi, int count)
215 216
216static int adi_decode(struct adi *adi) 217static int adi_decode(struct adi *adi)
217{ 218{
218 struct input_dev *dev = &adi->dev; 219 struct input_dev *dev = adi->dev;
219 char *abs = adi->abs; 220 char *abs = adi->abs;
220 short *key = adi->key; 221 short *key = adi->key;
221 int i, t; 222 int i, t;
@@ -318,7 +319,8 @@ static void adi_init_digital(struct gameport *gameport)
318 319
319 for (i = 0; seq[i]; i++) { 320 for (i = 0; seq[i]; i++) {
320 gameport_trigger(gameport); 321 gameport_trigger(gameport);
321 if (seq[i] > 0) msleep(seq[i]); 322 if (seq[i] > 0)
323 msleep(seq[i]);
322 if (seq[i] < 0) { 324 if (seq[i] < 0) {
323 mdelay(-seq[i]); 325 mdelay(-seq[i]);
324 udelay(-seq[i]*14); /* It looks like mdelay() is off by approx 1.4% */ 326 udelay(-seq[i]*14); /* It looks like mdelay() is off by approx 1.4% */
@@ -397,42 +399,46 @@ static void adi_id_decode(struct adi *adi, struct adi_port *port)
397 } 399 }
398} 400}
399 401
400static void adi_init_input(struct adi *adi, struct adi_port *port, int half) 402static int adi_init_input(struct adi *adi, struct adi_port *port, int half)
401{ 403{
402 int i, t; 404 struct input_dev *input_dev;
403 char buf[ADI_MAX_NAME_LENGTH]; 405 char buf[ADI_MAX_NAME_LENGTH];
406 int i, t;
404 407
405 if (!adi->length) return; 408 adi->dev = input_dev = input_allocate_device();
406 409 if (!input_dev)
407 init_input_dev(&adi->dev); 410 return -ENOMEM;
408 411
409 t = adi->id < ADI_ID_MAX ? adi->id : ADI_ID_MAX; 412 t = adi->id < ADI_ID_MAX ? adi->id : ADI_ID_MAX;
410 413
411 snprintf(buf, ADI_MAX_PHYS_LENGTH, adi_names[t], adi->id); 414 snprintf(buf, ADI_MAX_PHYS_LENGTH, adi_names[t], adi->id);
412 snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s", buf); 415 snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s [%s]", buf, adi->cname);
413 snprintf(adi->phys, ADI_MAX_PHYS_LENGTH, "%s/input%d", port->gameport->phys, half); 416 snprintf(adi->phys, ADI_MAX_PHYS_LENGTH, "%s/input%d", port->gameport->phys, half);
414 417
415 adi->abs = adi_abs[t]; 418 adi->abs = adi_abs[t];
416 adi->key = adi_key[t]; 419 adi->key = adi_key[t];
417 420
418 adi->dev.open = adi_open; 421 input_dev->name = adi->name;
419 adi->dev.close = adi_close; 422 input_dev->phys = adi->phys;
423 input_dev->id.bustype = BUS_GAMEPORT;
424 input_dev->id.vendor = GAMEPORT_ID_VENDOR_LOGITECH;
425 input_dev->id.product = adi->id;
426 input_dev->id.version = 0x0100;
427 input_dev->cdev.dev = &port->gameport->dev;
428 input_dev->private = port;
420 429
421 adi->dev.name = adi->name; 430 input_dev->open = adi_open;
422 adi->dev.phys = adi->phys; 431 input_dev->close = adi_close;
423 adi->dev.id.bustype = BUS_GAMEPORT;
424 adi->dev.id.vendor = GAMEPORT_ID_VENDOR_LOGITECH;
425 adi->dev.id.product = adi->id;
426 adi->dev.id.version = 0x0100;
427 432
428 adi->dev.private = port; 433 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
429 adi->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
430 434
431 for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) 435 for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++)
432 set_bit(adi->abs[i], adi->dev.absbit); 436 set_bit(adi->abs[i], input_dev->absbit);
433 437
434 for (i = 0; i < adi->buttons; i++) 438 for (i = 0; i < adi->buttons; i++)
435 set_bit(adi->key[i], adi->dev.keybit); 439 set_bit(adi->key[i], input_dev->keybit);
440
441 return 0;
436} 442}
437 443
438static void adi_init_center(struct adi *adi) 444static void adi_init_center(struct adi *adi)
@@ -445,17 +451,17 @@ static void adi_init_center(struct adi *adi)
445 for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) { 451 for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) {
446 452
447 t = adi->abs[i]; 453 t = adi->abs[i];
448 x = adi->dev.abs[t]; 454 x = adi->dev->abs[t];
449 455
450 if (t == ABS_THROTTLE || t == ABS_RUDDER || adi->id == ADI_ID_WGPE) 456 if (t == ABS_THROTTLE || t == ABS_RUDDER || adi->id == ADI_ID_WGPE)
451 x = i < adi->axes10 ? 512 : 128; 457 x = i < adi->axes10 ? 512 : 128;
452 458
453 if (i < adi->axes10) 459 if (i < adi->axes10)
454 input_set_abs_params(&adi->dev, t, 64, x * 2 - 64, 2, 16); 460 input_set_abs_params(adi->dev, t, 64, x * 2 - 64, 2, 16);
455 else if (i < adi->axes10 + adi->axes8) 461 else if (i < adi->axes10 + adi->axes8)
456 input_set_abs_params(&adi->dev, t, 48, x * 2 - 48, 1, 16); 462 input_set_abs_params(adi->dev, t, 48, x * 2 - 48, 1, 16);
457 else 463 else
458 input_set_abs_params(&adi->dev, t, -1, 1, 0, 0); 464 input_set_abs_params(adi->dev, t, -1, 1, 0, 0);
459 } 465 }
460} 466}
461 467
@@ -469,7 +475,8 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
469 int i; 475 int i;
470 int err; 476 int err;
471 477
472 if (!(port = kzalloc(sizeof(struct adi_port), GFP_KERNEL))) 478 port = kzalloc(sizeof(struct adi_port), GFP_KERNEL);
479 if (!port)
473 return -ENOMEM; 480 return -ENOMEM;
474 481
475 port->gameport = gameport; 482 port->gameport = gameport;
@@ -477,10 +484,8 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
477 gameport_set_drvdata(gameport, port); 484 gameport_set_drvdata(gameport, port);
478 485
479 err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); 486 err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
480 if (err) { 487 if (err)
481 kfree(port); 488 goto fail1;
482 return err;
483 }
484 489
485 adi_init_digital(gameport); 490 adi_init_digital(gameport);
486 adi_read_packet(port); 491 adi_read_packet(port);
@@ -490,13 +495,18 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
490 495
491 for (i = 0; i < 2; i++) { 496 for (i = 0; i < 2; i++) {
492 adi_id_decode(port->adi + i, port); 497 adi_id_decode(port->adi + i, port);
493 adi_init_input(port->adi + i, port, i); 498
499 if (!port->adi[i].length)
500 continue;
501
502 err = adi_init_input(port->adi + i, port, i);
503 if (err)
504 goto fail2;
494 } 505 }
495 506
496 if (!port->adi[0].length && !port->adi[1].length) { 507 if (!port->adi[0].length && !port->adi[1].length) {
497 gameport_close(gameport); 508 err = -ENODEV;
498 kfree(port); 509 goto fail2;
499 return -ENODEV;
500 } 510 }
501 511
502 gameport_set_poll_handler(gameport, adi_poll); 512 gameport_set_poll_handler(gameport, adi_poll);
@@ -511,12 +521,18 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
511 for (i = 0; i < 2; i++) 521 for (i = 0; i < 2; i++)
512 if (port->adi[i].length > 0) { 522 if (port->adi[i].length > 0) {
513 adi_init_center(port->adi + i); 523 adi_init_center(port->adi + i);
514 input_register_device(&port->adi[i].dev); 524 input_register_device(port->adi[i].dev);
515 printk(KERN_INFO "input: %s [%s] on %s\n",
516 port->adi[i].name, port->adi[i].cname, gameport->phys);
517 } 525 }
518 526
519 return 0; 527 return 0;
528
529 fail2: for (i = 0; i < 2; i++)
530 if (port->adi[i].dev)
531 input_free_device(port->adi[i].dev);
532 gameport_close(gameport);
533 fail1: gameport_set_drvdata(gameport, NULL);
534 kfree(port);
535 return err;
520} 536}
521 537
522static void adi_disconnect(struct gameport *gameport) 538static void adi_disconnect(struct gameport *gameport)
@@ -526,7 +542,7 @@ static void adi_disconnect(struct gameport *gameport)
526 542
527 for (i = 0; i < 2; i++) 543 for (i = 0; i < 2; i++)
528 if (port->adi[i].length > 0) 544 if (port->adi[i].length > 0)
529 input_unregister_device(&port->adi[i].dev); 545 input_unregister_device(port->adi[i].dev);
530 gameport_close(gameport); 546 gameport_close(gameport);
531 gameport_set_drvdata(gameport, NULL); 547 gameport_set_drvdata(gameport, NULL);
532 kfree(port); 548 kfree(port);