#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_Q 4 /* 4 -> Q button */
#define H3600_SCANCODE_START 5 /* 5 -> start menu */
#define H3600_SCANCODE_UP 6 /* 6 -> up */
-#define H3600_SCANCODE_RIGHT 7 /* 7 -> right */
-#define H3600_SCANCODE_LEFT 8 /* 8 -> left */
-#define H3600_SCANCODE_DOWN 9 /* 9 -> down */
-
-static char *h3600_name = "H3600 TouchScreen";
+#define H3600_SCANCODE_RIGHT 7 /* 7 -> right */
+#define H3600_SCANCODE_LEFT 8 /* 8 -> left */
+#define H3600_SCANCODE_DOWN 9 /* 9 -> down */
/*
* 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;
static irqreturn_t action_button_handler(int irq, void *dev_id, struct pt_regs *regs)
{
- int down = (GPLR & GPIO_BITSY_ACTION_BUTTON) ? 0 : 1;
+ int down = (GPLR & GPIO_BITSY_ACTION_BUTTON) ? 0 : 1;
struct input_dev *dev = (struct input_dev *) dev_id;
input_regs(dev, regs);
static irqreturn_t npower_button_handler(int irq, void *dev_id, struct pt_regs *regs)
{
- int down = (GPLR & GPIO_BITSY_NPOWER_BUTTON) ? 0 : 1;
+ int down = (GPLR & GPIO_BITSY_NPOWER_BUTTON) ? 0 : 1;
struct input_dev *dev = (struct input_dev *) dev_id;
/*
static int flite_brightness = 25;
enum flite_pwr {
- FLITE_PWR_OFF = 0,
- FLITE_PWR_ON = 1
+ FLITE_PWR_OFF = 0,
+ FLITE_PWR_ON = 1
};
/*
struct h3600_dev *ts = dev->private;
/* Must be in this order */
- ts->serio->write(ts->serio, 1);
+ ts->serio->write(ts->serio, 1);
ts->serio->write(ts->serio, pwr);
- ts->serio->write(ts->serio, brightness);
+ ts->serio->write(ts->serio, brightness);
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
/*
*/
static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs)
{
- 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
- 7 6 5 4 3 2 1 0
- S x x x N N N N
+ switch (ts->event) {
+ /*
+ Buttons - returned as a single byte
+ 7 6 5 4 3 2 1 0
+ S x x x N N N N
- S switch state ( 0=pressed 1=released)
- x Unused.
- NNNN switch number 0-15
+ S switch state ( 0=pressed 1=released)
+ x Unused.
+ NNNN switch number 0-15
- Note: This is true for non interrupt generated key events.
- */
- case KEYBD_ID:
+ Note: This is true for non interrupt generated key events.
+ */
+ case KEYBD_ID:
down = (ts->buf[0] & 0x80) ? 0 : 1;
switch (ts->buf[0] & 0x7f) {
break;
case H3600_SCANCODE_CONTACTS:
key = KEY_PROG2;
- break;
+ break;
case H3600_SCANCODE_Q:
key = KEY_Q;
- break;
+ break;
case H3600_SCANCODE_START:
key = KEY_PROG3;
- break;
+ break;
case H3600_SCANCODE_UP:
key = KEY_UP;
- break;
+ break;
case H3600_SCANCODE_RIGHT:
key = KEY_RIGHT;
- break;
+ break;
case H3600_SCANCODE_LEFT:
key = KEY_LEFT;
- break;
+ break;
case H3600_SCANCODE_DOWN:
key = KEY_DOWN;
- break;
+ break;
default:
key = 0;
}
- if (key)
- input_report_key(dev, key, down);
- break;
- /*
- * Native touchscreen event data is formatted as shown below:-
- *
- * +-------+-------+-------+-------+
- * | Xmsb | Xlsb | Ymsb | Ylsb |
- * +-------+-------+-------+-------+
- * byte 0 1 2 3
- */
- case TOUCHS_ID:
+ if (key)
+ input_report_key(dev, key, down);
+ break;
+ /*
+ * Native touchscreen event data is formatted as shown below:-
+ *
+ * +-------+-------+-------+-------+
+ * | Xmsb | Xlsb | Ymsb | Ylsb |
+ * +-------+-------+-------+-------+
+ * byte 0 1 2 3
+ */
+ case TOUCHS_ID:
if (!touched) {
input_report_key(dev, BTN_TOUCH, 1);
touched = 1;
unsigned short x, y;
x = ts->buf[0]; x <<= 8; x += ts->buf[1];
- y = ts->buf[2]; y <<= 8; y += ts->buf[3];
+ y = ts->buf[2]; y <<= 8; y += ts->buf[3];
- input_report_abs(dev, ABS_X, x);
- input_report_abs(dev, ABS_Y, y);
+ input_report_abs(dev, ABS_X, x);
+ input_report_abs(dev, ABS_Y, y);
} else {
- input_report_key(dev, BTN_TOUCH, 0);
+ input_report_key(dev, BTN_TOUCH, 0);
touched = 0;
}
- break;
+ break;
default:
/* Send a non input event elsewhere */
break;
- }
+ }
input_sync(dev);
}
* h3600ts_event() handles events from the input module.
*/
static int h3600ts_event(struct input_dev *dev, unsigned int type,
- unsigned int code, int value)
+ unsigned int code, int value)
{
+#if 0
struct h3600_dev *ts = dev->private;
switch (type) {
}
}
return -1;
+#endif
+ return 0;
}
/*
static irqreturn_t h3600ts_interrupt(struct serio *serio, unsigned char data,
unsigned int flags, struct pt_regs *regs)
{
- struct h3600_dev *ts = serio_get_drvdata(serio);
+ struct h3600_dev *ts = serio_get_drvdata(serio);
/*
- * We have a new frame coming in.
- */
+ * We have a new frame coming in.
+ */
switch (state) {
case STATE_SOF:
- if (data == CHAR_SOF)
- state = STATE_ID;
+ if (data == CHAR_SOF)
+ state = STATE_ID;
break;
- case STATE_ID:
+ case STATE_ID:
ts->event = (data & 0xf0) >> 4;
ts->len = (data & 0xf);
ts->idx = 0;
if (ts->event >= MAX_ID) {
state = STATE_SOF;
- break;
+ break;
}
ts->chksum = data;
- state = (ts->len > 0) ? STATE_DATA : STATE_EOF;
+ state = (ts->len > 0) ? STATE_DATA : STATE_EOF;
break;
case STATE_DATA:
ts->chksum += data;
ts->buf[ts->idx]= data;
- if(++ts->idx == ts->len)
- state = STATE_EOF;
+ if (++ts->idx == ts->len)
+ state = STATE_EOF;
break;
case STATE_EOF:
- state = STATE_SOF;
- if (data == CHAR_EOF || data == ts->chksum)
+ state = STATE_SOF;
+ if (data == CHAR_EOF || data == ts->chksum)
h3600ts_process_packet(ts, regs);
- break;
- default:
- printk("Error3\n");
- break;
+ break;
+ default:
+ printk("Error3\n");
+ break;
}
return IRQ_HANDLED;
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;
+ ts = kzalloc(sizeof(struct h3600_dev), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!ts || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
- memset(ts, 0, sizeof(struct h3600_dev));
+ ts->serio = serio;
+ ts->dev = input_dev;
+ sprintf(ts->phys, "%s/input0", serio->phys);
- init_input_dev(&ts->dev);
+ 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);
+ 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,
+ if (request_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, action_button_handler,
SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM,
"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,
+ 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);
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);
}
git://git.onelab.eu / linux-2.6.git / blobdiff