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path: root/drivers/input/touchscreen/h3600_ts_input.c
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Diffstat (limited to 'drivers/input/touchscreen/h3600_ts_input.c')
-rw-r--r--drivers/input/touchscreen/h3600_ts_input.c149
1 files changed, 59 insertions, 90 deletions
diff --git a/drivers/input/touchscreen/h3600_ts_input.c b/drivers/input/touchscreen/h3600_ts_input.c
index bcfa1e36f957..a18d56bdafd9 100644
--- a/drivers/input/touchscreen/h3600_ts_input.c
+++ b/drivers/input/touchscreen/h3600_ts_input.c
@@ -39,7 +39,6 @@
39#include <linux/serio.h> 39#include <linux/serio.h>
40#include <linux/init.h> 40#include <linux/init.h>
41#include <linux/delay.h> 41#include <linux/delay.h>
42#include <linux/pm.h>
43 42
44/* SA1100 serial defines */ 43/* SA1100 serial defines */
45#include <asm/arch/hardware.h> 44#include <asm/arch/hardware.h>
@@ -93,16 +92,12 @@ MODULE_LICENSE("GPL");
93#define H3600_SCANCODE_LEFT 8 /* 8 -> left */ 92#define H3600_SCANCODE_LEFT 8 /* 8 -> left */
94#define H3600_SCANCODE_DOWN 9 /* 9 -> down */ 93#define H3600_SCANCODE_DOWN 9 /* 9 -> down */
95 94
96static char *h3600_name = "H3600 TouchScreen";
97
98/* 95/*
99 * Per-touchscreen data. 96 * Per-touchscreen data.
100 */ 97 */
101struct h3600_dev { 98struct h3600_dev {
102 struct input_dev dev; 99 struct input_dev *dev;
103 struct pm_dev *pm_dev;
104 struct serio *serio; 100 struct serio *serio;
105 struct pm_dev *pm_dev;
106 unsigned char event; /* event ID from packet */ 101 unsigned char event; /* event ID from packet */
107 unsigned char chksum; 102 unsigned char chksum;
108 unsigned char len; 103 unsigned char len;
@@ -163,33 +158,6 @@ unsigned int h3600_flite_power(struct input_dev *dev, enum flite_pwr pwr)
163 return 0; 158 return 0;
164} 159}
165 160
166static int suspended = 0;
167static int h3600ts_pm_callback(struct pm_dev *pm_dev, pm_request_t req,
168 void *data)
169{
170 struct input_dev *dev = (struct input_dev *) data;
171
172 switch (req) {
173 case PM_SUSPEND: /* enter D1-D3 */
174 suspended = 1;
175 h3600_flite_power(dev, FLITE_PWR_OFF);
176 break;
177 case PM_BLANK:
178 if (!suspended)
179 h3600_flite_power(dev, FLITE_PWR_OFF);
180 break;
181 case PM_RESUME: /* enter D0 */
182 /* same as unblank */
183 case PM_UNBLANK:
184 if (suspended) {
185 //initSerial();
186 suspended = 0;
187 }
188 h3600_flite_power(dev, FLITE_PWR_ON);
189 break;
190 }
191 return 0;
192}
193#endif 161#endif
194 162
195/* 163/*
@@ -199,7 +167,7 @@ static int h3600ts_pm_callback(struct pm_dev *pm_dev, pm_request_t req,
199 */ 167 */
200static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs) 168static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs)
201{ 169{
202 struct input_dev *dev = &ts->dev; 170 struct input_dev *dev = ts->dev;
203 static int touched = 0; 171 static int touched = 0;
204 int key, down = 0; 172 int key, down = 0;
205 173
@@ -295,6 +263,7 @@ static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs)
295static int h3600ts_event(struct input_dev *dev, unsigned int type, 263static int h3600ts_event(struct input_dev *dev, unsigned int type,
296 unsigned int code, int value) 264 unsigned int code, int value)
297{ 265{
266#if 0
298 struct h3600_dev *ts = dev->private; 267 struct h3600_dev *ts = dev->private;
299 268
300 switch (type) { 269 switch (type) {
@@ -304,6 +273,8 @@ static int h3600ts_event(struct input_dev *dev, unsigned int type,
304 } 273 }
305 } 274 }
306 return -1; 275 return -1;
276#endif
277 return 0;
307} 278}
308 279
309/* 280/*
@@ -380,14 +351,48 @@ static irqreturn_t h3600ts_interrupt(struct serio *serio, unsigned char data,
380static int h3600ts_connect(struct serio *serio, struct serio_driver *drv) 351static int h3600ts_connect(struct serio *serio, struct serio_driver *drv)
381{ 352{
382 struct h3600_dev *ts; 353 struct h3600_dev *ts;
354 struct input_dev *input_dev;
383 int err; 355 int err;
384 356
385 if (!(ts = kmalloc(sizeof(struct h3600_dev), GFP_KERNEL))) 357 ts = kzalloc(sizeof(struct h3600_dev), GFP_KERNEL);
386 return -ENOMEM; 358 input_dev = input_allocate_device();
359 if (!ts || !input_dev) {
360 err = -ENOMEM;
361 goto fail1;
362 }
387 363
388 memset(ts, 0, sizeof(struct h3600_dev)); 364 ts->serio = serio;
365 ts->dev = input_dev;
366 sprintf(ts->phys, "%s/input0", serio->phys);
389 367
390 init_input_dev(&ts->dev); 368 input_dev->name = "H3600 TouchScreen";
369 input_dev->phys = ts->phys;
370 input_dev->id.bustype = BUS_RS232;
371 input_dev->id.vendor = SERIO_H3600;
372 input_dev->id.product = 0x0666; /* FIXME !!! We can ask the hardware */
373 input_dev->id.version = 0x0100;
374 input_dev->cdev.dev = &serio->dev;
375 input_dev->private = ts;
376
377 input_dev->event = h3600ts_event;
378
379 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_LED) | BIT(EV_PWR);
380 input_dev->ledbit[0] = BIT(LED_SLEEP);
381 input_set_abs_params(input_dev, ABS_X, 60, 985, 0, 0);
382 input_set_abs_params(input_dev, ABS_Y, 35, 1024, 0, 0);
383
384 set_bit(KEY_RECORD, input_dev->keybit);
385 set_bit(KEY_Q, input_dev->keybit);
386 set_bit(KEY_PROG1, input_dev->keybit);
387 set_bit(KEY_PROG2, input_dev->keybit);
388 set_bit(KEY_PROG3, input_dev->keybit);
389 set_bit(KEY_UP, input_dev->keybit);
390 set_bit(KEY_RIGHT, input_dev->keybit);
391 set_bit(KEY_LEFT, input_dev->keybit);
392 set_bit(KEY_DOWN, input_dev->keybit);
393 set_bit(KEY_ENTER, input_dev->keybit);
394 set_bit(KEY_SUSPEND, input_dev->keybit);
395 set_bit(BTN_TOUCH, input_dev->keybit);
391 396
392 /* Device specific stuff */ 397 /* Device specific stuff */
393 set_GPIO_IRQ_edge(GPIO_BITSY_ACTION_BUTTON, GPIO_BOTH_EDGES); 398 set_GPIO_IRQ_edge(GPIO_BITSY_ACTION_BUTTON, GPIO_BOTH_EDGES);
@@ -397,73 +402,35 @@ static int h3600ts_connect(struct serio *serio, struct serio_driver *drv)
397 SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM, 402 SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM,
398 "h3600_action", &ts->dev)) { 403 "h3600_action", &ts->dev)) {
399 printk(KERN_ERR "h3600ts.c: Could not allocate Action Button IRQ!\n"); 404 printk(KERN_ERR "h3600ts.c: Could not allocate Action Button IRQ!\n");
400 kfree(ts); 405 err = -EBUSY;
401 return -EBUSY; 406 goto fail2;
402 } 407 }
403 408
404 if (request_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, npower_button_handler, 409 if (request_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, npower_button_handler,
405 SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM, 410 SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM,
406 "h3600_suspend", &ts->dev)) { 411 "h3600_suspend", &ts->dev)) {
407 free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, &ts->dev);
408 printk(KERN_ERR "h3600ts.c: Could not allocate Power Button IRQ!\n"); 412 printk(KERN_ERR "h3600ts.c: Could not allocate Power Button IRQ!\n");
409 kfree(ts); 413 err = -EBUSY;
410 return -EBUSY; 414 goto fail3;
411 } 415 }
412 416
413 /* Now we have things going we setup our input device */
414 ts->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_LED) | BIT(EV_PWR);
415 ts->dev.ledbit[0] = BIT(LED_SLEEP);
416 input_set_abs_params(&ts->dev, ABS_X, 60, 985, 0, 0);
417 input_set_abs_params(&ts->dev, ABS_Y, 35, 1024, 0, 0);
418
419 set_bit(KEY_RECORD, ts->dev.keybit);
420 set_bit(KEY_Q, ts->dev.keybit);
421 set_bit(KEY_PROG1, ts->dev.keybit);
422 set_bit(KEY_PROG2, ts->dev.keybit);
423 set_bit(KEY_PROG3, ts->dev.keybit);
424 set_bit(KEY_UP, ts->dev.keybit);
425 set_bit(KEY_RIGHT, ts->dev.keybit);
426 set_bit(KEY_LEFT, ts->dev.keybit);
427 set_bit(KEY_DOWN, ts->dev.keybit);
428 set_bit(KEY_ENTER, ts->dev.keybit);
429 ts->dev.keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
430 ts->dev.keybit[LONG(KEY_SUSPEND)] |= BIT(KEY_SUSPEND);
431
432 ts->serio = serio;
433
434 sprintf(ts->phys, "%s/input0", serio->phys);
435
436 ts->dev.event = h3600ts_event;
437 ts->dev.private = ts;
438 ts->dev.name = h3600_name;
439 ts->dev.phys = ts->phys;
440 ts->dev.id.bustype = BUS_RS232;
441 ts->dev.id.vendor = SERIO_H3600;
442 ts->dev.id.product = 0x0666; /* FIXME !!! We can ask the hardware */
443 ts->dev.id.version = 0x0100;
444
445 serio_set_drvdata(serio, ts); 417 serio_set_drvdata(serio, ts);
446 418
447 err = serio_open(serio, drv); 419 err = serio_open(serio, drv);
448 if (err) { 420 if (err)
449 free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, ts);
450 free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, ts);
451 serio_set_drvdata(serio, NULL);
452 kfree(ts);
453 return err; 421 return err;
454 }
455 422
456 //h3600_flite_control(1, 25); /* default brightness */ 423 //h3600_flite_control(1, 25); /* default brightness */
457#ifdef CONFIG_PM 424 input_register_device(ts->dev);
458 ts->pm_dev = pm_register(PM_ILLUMINATION_DEV, PM_SYS_LIGHT,
459 h3600ts_pm_callback);
460 printk("registered pm callback\n");
461#endif
462 input_register_device(&ts->dev);
463
464 printk(KERN_INFO "input: %s on %s\n", h3600_name, serio->phys);
465 425
466 return 0; 426 return 0;
427
428fail3: free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, ts->dev);
429fail2: free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, ts->dev);
430fail1: serio_set_drvdata(serio, NULL);
431 input_free_device(input_dev);
432 kfree(ts);
433 return err;
467} 434}
468 435
469/* 436/*
@@ -476,9 +443,11 @@ static void h3600ts_disconnect(struct serio *serio)
476 443
477 free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, &ts->dev); 444 free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, &ts->dev);
478 free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, &ts->dev); 445 free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, &ts->dev);
479 input_unregister_device(&ts->dev); 446 input_get_device(ts->dev);
447 input_unregister_device(ts->dev);
480 serio_close(serio); 448 serio_close(serio);
481 serio_set_drvdata(serio, NULL); 449 serio_set_drvdata(serio, NULL);
450 input_put_device(ts->dev);
482 kfree(ts); 451 kfree(ts);
483} 452}
484 453