#include <linux/serio.h>
#include <linux/init.h>
#include <linux/delay.h>
-#include <linux/pm.h>
/* SA1100 serial defines */
#include <asm/arch/hardware.h>
#define H3600_SCANCODE_LEFT 8 /* 8 -> left */
#define H3600_SCANCODE_DOWN 9 /* 9 -> down */
-static char *h3600_name = "H3600 TouchScreen";
-
/*
* Per-touchscreen data.
*/
struct h3600_dev {
- struct input_dev dev;
- struct pm_dev *pm_dev;
+ struct input_dev *dev;
struct serio *serio;
- struct pm_dev *pm_dev;
unsigned char event; /* event ID from packet */
unsigned char chksum;
unsigned char len;
char phys[32];
};
-static irqreturn_t action_button_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t action_button_handler(int irq, void *dev_id)
{
int down = (GPLR & GPIO_BITSY_ACTION_BUTTON) ? 0 : 1;
struct input_dev *dev = (struct input_dev *) dev_id;
- input_regs(dev, regs);
input_report_key(dev, KEY_ENTER, down);
input_sync(dev);
return IRQ_HANDLED;
}
-static irqreturn_t npower_button_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t npower_button_handler(int irq, void *dev_id)
{
int down = (GPLR & GPIO_BITSY_NPOWER_BUTTON) ? 0 : 1;
struct input_dev *dev = (struct input_dev *) dev_id;
* This interrupt is only called when we release the key. So we have
* to fake a key press.
*/
- input_regs(dev, regs);
input_report_key(dev, KEY_SUSPEND, 1);
input_report_key(dev, KEY_SUSPEND, down);
input_sync(dev);
return 0;
}
-static int suspended = 0;
-static int h3600ts_pm_callback(struct pm_dev *pm_dev, pm_request_t req,
- void *data)
-{
- struct input_dev *dev = (struct input_dev *) data;
-
- switch (req) {
- case PM_SUSPEND: /* enter D1-D3 */
- suspended = 1;
- h3600_flite_power(dev, FLITE_PWR_OFF);
- break;
- case PM_BLANK:
- if (!suspended)
- h3600_flite_power(dev, FLITE_PWR_OFF);
- break;
- case PM_RESUME: /* enter D0 */
- /* same as unblank */
- case PM_UNBLANK:
- if (suspended) {
- //initSerial();
- suspended = 0;
- }
- h3600_flite_power(dev, FLITE_PWR_ON);
- break;
- }
- return 0;
-}
#endif
/*
* packets. Some packets coming from serial are not touchscreen related. In
* this case we send them off to be processed elsewhere.
*/
-static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs)
+static void h3600ts_process_packet(struct h3600_dev *ts)
{
- struct input_dev *dev = &ts->dev;
+ struct input_dev *dev = ts->dev;
static int touched = 0;
int key, down = 0;
- input_regs(dev, regs);
-
switch (ts->event) {
/*
Buttons - returned as a single byte
static int h3600ts_event(struct input_dev *dev, unsigned int type,
unsigned int code, int value)
{
+#if 0
struct h3600_dev *ts = dev->private;
switch (type) {
}
}
return -1;
+#endif
+ return 0;
}
/*
#define STATE_EOF 3 /* state where we decode checksum or EOF */
static irqreturn_t h3600ts_interrupt(struct serio *serio, unsigned char data,
- unsigned int flags, struct pt_regs *regs)
+ unsigned int flags)
{
struct h3600_dev *ts = serio_get_drvdata(serio);
case STATE_EOF:
state = STATE_SOF;
if (data == CHAR_EOF || data == ts->chksum)
- h3600ts_process_packet(ts, regs);
+ h3600ts_process_packet(ts);
break;
default:
printk("Error3\n");
static int h3600ts_connect(struct serio *serio, struct serio_driver *drv)
{
struct h3600_dev *ts;
+ struct input_dev *input_dev;
int err;
- if (!(ts = kmalloc(sizeof(struct h3600_dev), GFP_KERNEL)))
- return -ENOMEM;
-
- memset(ts, 0, sizeof(struct h3600_dev));
+ ts = kzalloc(sizeof(struct h3600_dev), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!ts || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
- init_input_dev(&ts->dev);
+ ts->serio = serio;
+ ts->dev = input_dev;
+ snprintf(ts->phys, sizeof(ts->phys), "%s/input0", serio->phys);
+
+ input_dev->name = "H3600 TouchScreen";
+ input_dev->phys = ts->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_H3600;
+ input_dev->id.product = 0x0666; /* FIXME !!! We can ask the hardware */
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &serio->dev;
+ input_dev->private = ts;
+
+ input_dev->event = h3600ts_event;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_LED) | BIT(EV_PWR);
+ input_dev->ledbit[0] = BIT(LED_SLEEP);
+ input_set_abs_params(input_dev, ABS_X, 60, 985, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, 35, 1024, 0, 0);
+
+ set_bit(KEY_RECORD, input_dev->keybit);
+ set_bit(KEY_Q, input_dev->keybit);
+ set_bit(KEY_PROG1, input_dev->keybit);
+ set_bit(KEY_PROG2, input_dev->keybit);
+ set_bit(KEY_PROG3, input_dev->keybit);
+ set_bit(KEY_UP, input_dev->keybit);
+ set_bit(KEY_RIGHT, input_dev->keybit);
+ set_bit(KEY_LEFT, input_dev->keybit);
+ set_bit(KEY_DOWN, input_dev->keybit);
+ set_bit(KEY_ENTER, input_dev->keybit);
+ set_bit(KEY_SUSPEND, input_dev->keybit);
+ set_bit(BTN_TOUCH, input_dev->keybit);
/* Device specific stuff */
set_GPIO_IRQ_edge(GPIO_BITSY_ACTION_BUTTON, GPIO_BOTH_EDGES);
set_GPIO_IRQ_edge(GPIO_BITSY_NPOWER_BUTTON, GPIO_RISING_EDGE);
if (request_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, action_button_handler,
- SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM,
- "h3600_action", &ts->dev)) {
+ IRQF_SHARED | IRQF_DISABLED, "h3600_action", &ts->dev)) {
printk(KERN_ERR "h3600ts.c: Could not allocate Action Button IRQ!\n");
- kfree(ts);
- return -EBUSY;
+ err = -EBUSY;
+ goto fail2;
}
if (request_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, npower_button_handler,
- SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM,
- "h3600_suspend", &ts->dev)) {
- free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, &ts->dev);
+ IRQF_SHARED | IRQF_DISABLED, "h3600_suspend", &ts->dev)) {
printk(KERN_ERR "h3600ts.c: Could not allocate Power Button IRQ!\n");
- kfree(ts);
- return -EBUSY;
+ err = -EBUSY;
+ goto fail3;
}
- /* Now we have things going we setup our input device */
- ts->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_LED) | BIT(EV_PWR);
- ts->dev.ledbit[0] = BIT(LED_SLEEP);
- input_set_abs_params(&ts->dev, ABS_X, 60, 985, 0, 0);
- input_set_abs_params(&ts->dev, ABS_Y, 35, 1024, 0, 0);
-
- set_bit(KEY_RECORD, ts->dev.keybit);
- set_bit(KEY_Q, ts->dev.keybit);
- set_bit(KEY_PROG1, ts->dev.keybit);
- set_bit(KEY_PROG2, ts->dev.keybit);
- set_bit(KEY_PROG3, ts->dev.keybit);
- set_bit(KEY_UP, ts->dev.keybit);
- set_bit(KEY_RIGHT, ts->dev.keybit);
- set_bit(KEY_LEFT, ts->dev.keybit);
- set_bit(KEY_DOWN, ts->dev.keybit);
- set_bit(KEY_ENTER, ts->dev.keybit);
- ts->dev.keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
- ts->dev.keybit[LONG(KEY_SUSPEND)] |= BIT(KEY_SUSPEND);
-
- ts->serio = serio;
-
- sprintf(ts->phys, "%s/input0", serio->phys);
-
- ts->dev.event = h3600ts_event;
- ts->dev.private = ts;
- ts->dev.name = h3600_name;
- ts->dev.phys = ts->phys;
- ts->dev.id.bustype = BUS_RS232;
- ts->dev.id.vendor = SERIO_H3600;
- ts->dev.id.product = 0x0666; /* FIXME !!! We can ask the hardware */
- ts->dev.id.version = 0x0100;
-
serio_set_drvdata(serio, ts);
err = serio_open(serio, drv);
- if (err) {
- free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, ts);
- free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, ts);
- serio_set_drvdata(serio, NULL);
- kfree(ts);
+ if (err)
return err;
- }
//h3600_flite_control(1, 25); /* default brightness */
-#ifdef CONFIG_PM
- ts->pm_dev = pm_register(PM_ILLUMINATION_DEV, PM_SYS_LIGHT,
- h3600ts_pm_callback);
- printk("registered pm callback\n");
-#endif
- input_register_device(&ts->dev);
-
- printk(KERN_INFO "input: %s on %s\n", h3600_name, serio->phys);
+ input_register_device(ts->dev);
return 0;
+
+fail3: free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, ts->dev);
+fail2: free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, ts->dev);
+fail1: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(ts);
+ return err;
}
/*
free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, &ts->dev);
free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, &ts->dev);
- input_unregister_device(&ts->dev);
+ input_get_device(ts->dev);
+ input_unregister_device(ts->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
+ input_put_device(ts->dev);
kfree(ts);
}
static int __init h3600ts_init(void)
{
- serio_register_driver(&h3600ts_drv);
- return 0;
+ return serio_register_driver(&h3600ts_drv);
}
static void __exit h3600ts_exit(void)