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Date
From
Greg KH <gregkh@suse.de>,
Kay Sievers <kay.sievers@vrfy.org>,
Vojtech Pavlik <vojtech@suse.cz>,
Hannes Reinecke <hare@suse.de>
Subject: [patch 15/28] drivers/input/touchscreen: convert to dynamic input_dev allocation
Content-Disposition: inline; filename=input-dynalloc-ts.patch
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit

Input: convert drivers/input/touchscreen to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
drivers/input/touchscreen/corgi_ts.c | 93 +++++++++---------
drivers/input/touchscreen/elo.c | 89 ++++++++---------
drivers/input/touchscreen/gunze.c | 66 ++++++------
drivers/input/touchscreen/h3600_ts_input.c | 149 +++++++++++------------------
drivers/input/touchscreen/hp680_ts_input.c | 58 +++++------
drivers/input/touchscreen/mk712.c | 80 +++++++--------
drivers/input/touchscreen/mtouch.c | 64 ++++++------
7 files changed, 285 insertions(+), 314 deletions(-)
Index: work/drivers/input/touchscreen/gunze.c
===================================================================
--- work.orig/drivers/input/touchscreen/gunze.c
+++ work/drivers/input/touchscreen/gunze.c
@@ -48,14 +48,12 @@ MODULE_LICENSE("GPL");

#define GUNZE_MAX_LENGTH 10

-static char *gunze_name = "Gunze AHL-51S TouchScreen";
-
/*
* Per-touchscreen data.
*/

struct gunze {
- struct input_dev dev;
+ struct input_dev *dev;
struct serio *serio;
int idx;
unsigned char data[GUNZE_MAX_LENGTH];
@@ -64,7 +62,7 @@ struct gunze {

static void gunze_process_packet(struct gunze* gunze, struct pt_regs *regs)
{
- struct input_dev *dev = &gunze->dev;
+ struct input_dev *dev = gunze->dev;

if (gunze->idx != GUNZE_MAX_LENGTH || gunze->data[5] != ',' ||
(gunze->data[0] != 'T' && gunze->data[0] != 'R')) {
@@ -100,11 +98,13 @@ static irqreturn_t gunze_interrupt(struc

static void gunze_disconnect(struct serio *serio)
{
- struct gunze* gunze = serio_get_drvdata(serio);
+ struct gunze *gunze = serio_get_drvdata(serio);

- input_unregister_device(&gunze->dev);
+ input_get_device(gunze->dev);
+ input_unregister_device(gunze->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
+ input_put_device(gunze->dev);
kfree(gunze);
}

@@ -117,45 +117,45 @@ static void gunze_disconnect(struct seri
static int gunze_connect(struct serio *serio, struct serio_driver *drv)
{
struct gunze *gunze;
+ struct input_dev *input_dev;
int err;

- if (!(gunze = kmalloc(sizeof(struct gunze), GFP_KERNEL)))
- return -ENOMEM;
-
- memset(gunze, 0, sizeof(struct gunze));
-
- init_input_dev(&gunze->dev);
- gunze->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- gunze->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
- input_set_abs_params(&gunze->dev, ABS_X, 24, 1000, 0, 0);
- input_set_abs_params(&gunze->dev, ABS_Y, 24, 1000, 0, 0);
+ gunze = kzalloc(sizeof(struct gunze), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!gunze || !input_dev) {
+ err = -ENOMEM;
+ goto fail;
+ }

gunze->serio = serio;
-
+ gunze->dev = input_dev;
sprintf(gunze->phys, "%s/input0", serio->phys);

- gunze->dev.private = gunze;
- gunze->dev.name = gunze_name;
- gunze->dev.phys = gunze->phys;
- gunze->dev.id.bustype = BUS_RS232;
- gunze->dev.id.vendor = SERIO_GUNZE;
- gunze->dev.id.product = 0x0051;
- gunze->dev.id.version = 0x0100;
+ input_dev->private = gunze;
+ input_dev->name = "Gunze AHL-51S TouchScreen";
+ input_dev->phys = gunze->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_GUNZE;
+ input_dev->id.product = 0x0051;
+ input_dev->id.version = 0x0100;
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+ input_set_abs_params(input_dev, ABS_X, 24, 1000, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, 24, 1000, 0, 0);

serio_set_drvdata(serio, gunze);

err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(gunze);
- return err;
- }
-
- input_register_device(&gunze->dev);
-
- printk(KERN_INFO "input: %s on %s\n", gunze_name, serio->phys);
+ if (err)
+ goto fail;

+ input_register_device(gunze->dev);
return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(gunze);
+ return err;
}

/*
Index: work/drivers/input/touchscreen/mk712.c
===================================================================
--- work.orig/drivers/input/touchscreen/mk712.c
+++ work/drivers/input/touchscreen/mk712.c
@@ -77,7 +77,7 @@ MODULE_PARM_DESC(irq, "IRQ of MK712 touc
#define MK712_READ_ONE_POINT 0x20
#define MK712_POWERUP 0x40

-static struct input_dev mk712_dev;
+static struct input_dev *mk712_dev;
static DEFINE_SPINLOCK(mk712_lock);

static irqreturn_t mk712_interrupt(int irq, void *dev_id, struct pt_regs *regs)
@@ -88,7 +88,7 @@ static irqreturn_t mk712_interrupt(int i
static unsigned short last_y;

spin_lock(&mk712_lock);
- input_regs(&mk712_dev, regs);
+ input_regs(mk712_dev, regs);

status = inb(mk712_io + MK712_STATUS);

@@ -100,7 +100,7 @@ static irqreturn_t mk712_interrupt(int i
if (~status & MK712_STATUS_TOUCH)
{
debounce = 1;
- input_report_key(&mk712_dev, BTN_TOUCH, 0);
+ input_report_key(mk712_dev, BTN_TOUCH, 0);
goto end;
}

@@ -110,15 +110,15 @@ static irqreturn_t mk712_interrupt(int i
goto end;
}

- input_report_key(&mk712_dev, BTN_TOUCH, 1);
- input_report_abs(&mk712_dev, ABS_X, last_x);
- input_report_abs(&mk712_dev, ABS_Y, last_y);
+ input_report_key(mk712_dev, BTN_TOUCH, 1);
+ input_report_abs(mk712_dev, ABS_X, last_x);
+ input_report_abs(mk712_dev, ABS_Y, last_y);

end:

last_x = inw(mk712_io + MK712_X) & 0x0fff;
last_y = inw(mk712_io + MK712_Y) & 0x0fff;
- input_sync(&mk712_dev);
+ input_sync(mk712_dev);
spin_unlock(&mk712_lock);
return IRQ_HANDLED;
}
@@ -154,30 +154,11 @@ static void mk712_close(struct input_dev
spin_unlock_irqrestore(&mk712_lock, flags);
}

-static struct input_dev mk712_dev = {
- .evbit = { BIT(EV_KEY) | BIT(EV_ABS) },
- .keybit = { [LONG(BTN_TOUCH)] = BIT(BTN_TOUCH) },
- .absbit = { BIT(ABS_X) | BIT(ABS_Y) },
- .open = mk712_open,
- .close = mk712_close,
- .name = "ICS MicroClock MK712 TouchScreen",
- .phys = "isa0260/input0",
- .absmin = { [ABS_X] = 0, [ABS_Y] = 0 },
- .absmax = { [ABS_X] = 0xfff, [ABS_Y] = 0xfff },
- .absfuzz = { [ABS_X] = 88, [ABS_Y] = 88 },
- .id = {
- .bustype = BUS_ISA,
- .vendor = 0x0005,
- .product = 0x0001,
- .version = 0x0100,
- },
-};
-
int __init mk712_init(void)
{
+ int err;

- if(!request_region(mk712_io, 8, "mk712"))
- {
+ if (!request_region(mk712_io, 8, "mk712")) {
printk(KERN_WARNING "mk712: unable to get IO region\n");
return -ENODEV;
}
@@ -188,28 +169,49 @@ int __init mk712_init(void)
(inw(mk712_io + MK712_Y) & 0xf000) ||
(inw(mk712_io + MK712_STATUS) & 0xf333)) {
printk(KERN_WARNING "mk712: device not present\n");
- release_region(mk712_io, 8);
- return -ENODEV;
+ err = -ENODEV;
+ goto fail;
}

- if(request_irq(mk712_irq, mk712_interrupt, 0, "mk712", &mk712_dev))
- {
- printk(KERN_WARNING "mk712: unable to get IRQ\n");
- release_region(mk712_io, 8);
- return -EBUSY;
+ if (!(mk712_dev = input_allocate_device())) {
+ printk(KERN_ERR "mk712: not enough memory\n");
+ err = -ENOMEM;
+ goto fail;
}

- input_register_device(&mk712_dev);
+ mk712_dev->name = "ICS MicroClock MK712 TouchScreen";
+ mk712_dev->phys = "isa0260/input0";
+ mk712_dev->id.bustype = BUS_ISA;
+ mk712_dev->id.vendor = 0x0005;
+ mk712_dev->id.product = 0x0001;
+ mk712_dev->id.version = 0x0100;
+
+ mk712_dev->open = mk712_open;
+ mk712_dev->close = mk712_close;

- printk(KERN_INFO "input: ICS MicroClock MK712 TouchScreen at %#x irq %d\n", mk712_io, mk712_irq);
+ mk712_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ mk712_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+ input_set_abs_params(mk712_dev, ABS_X, 0, 0xfff, 88, 0);
+ input_set_abs_params(mk712_dev, ABS_Y, 0, 0xfff, 88, 0);

+ if (request_irq(mk712_irq, mk712_interrupt, 0, "mk712", mk712_dev)) {
+ printk(KERN_WARNING "mk712: unable to get IRQ\n");
+ err = -EBUSY;
+ goto fail;
+ }
+
+ input_register_device(mk712_dev);
return 0;
+
+ fail: input_free_device(mk712_dev);
+ release_region(mk712_io, 8);
+ return err;
}

static void __exit mk712_exit(void)
{
- input_unregister_device(&mk712_dev);
- free_irq(mk712_irq, &mk712_dev);
+ input_unregister_device(mk712_dev);
+ free_irq(mk712_irq, mk712_dev);
release_region(mk712_io, 8);
}

Index: work/drivers/input/touchscreen/h3600_ts_input.c
===================================================================
--- work.orig/drivers/input/touchscreen/h3600_ts_input.c
+++ work/drivers/input/touchscreen/h3600_ts_input.c
@@ -39,7 +39,6 @@
#include <linux/serio.h>
#include <linux/init.h>
#include <linux/delay.h>
-#include <linux/pm.h>

/* SA1100 serial defines */
#include <asm/arch/hardware.h>
@@ -93,16 +92,12 @@ MODULE_LICENSE("GPL");
#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;
@@ -163,33 +158,6 @@ unsigned int h3600_flite_power(struct in
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

/*
@@ -199,7 +167,7 @@ static int h3600ts_pm_callback(struct pm
*/
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;

@@ -295,6 +263,7 @@ static void h3600ts_process_packet(struc
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) {
@@ -304,6 +273,8 @@ static int h3600ts_event(struct input_de
}
}
return -1;
+#endif
+ return 0;
}

/*
@@ -380,14 +351,48 @@ static irqreturn_t h3600ts_interrupt(str
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);
@@ -397,73 +402,35 @@ static int h3600ts_connect(struct serio
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,
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;
}

/*
@@ -476,9 +443,11 @@ static void h3600ts_disconnect(struct se

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);
}

Index: work/drivers/input/touchscreen/corgi_ts.c
===================================================================
--- work.orig/drivers/input/touchscreen/corgi_ts.c
+++ work/drivers/input/touchscreen/corgi_ts.c
@@ -41,8 +41,7 @@ struct ts_event {
};

struct corgi_ts {
- char phys[32];
- struct input_dev input;
+ struct input_dev *input;
struct timer_list timer;
struct ts_event tc;
int pendown;
@@ -182,14 +181,12 @@ static void new_data(struct corgi_ts *co
if (!corgi_ts->tc.pressure && corgi_ts->pendown == 0)
return;

- if (regs)
- input_regs(&corgi_ts->input, regs);
-
- input_report_abs(&corgi_ts->input, ABS_X, corgi_ts->tc.x);
- input_report_abs(&corgi_ts->input, ABS_Y, corgi_ts->tc.y);
- input_report_abs(&corgi_ts->input, ABS_PRESSURE, corgi_ts->tc.pressure);
- input_report_key(&corgi_ts->input, BTN_TOUCH, (corgi_ts->pendown != 0));
- input_sync(&corgi_ts->input);
+ input_regs(corgi_ts->input, regs);
+ input_report_abs(corgi_ts->input, ABS_X, corgi_ts->tc.x);
+ input_report_abs(corgi_ts->input, ABS_Y, corgi_ts->tc.y);
+ input_report_abs(corgi_ts->input, ABS_PRESSURE, corgi_ts->tc.pressure);
+ input_report_key(corgi_ts->input, BTN_TOUCH, (corgi_ts->pendown != 0));
+ input_sync(corgi_ts->input);
}

static void ts_interrupt_main(struct corgi_ts *corgi_ts, int isTimer, struct pt_regs *regs)
@@ -273,39 +270,44 @@ static int __init corgits_probe(struct d
{
struct corgi_ts *corgi_ts;
struct platform_device *pdev = to_platform_device(dev);
+ struct input_dev *input_dev;
+ int err = -ENOMEM;

- if (!(corgi_ts = kmalloc(sizeof(struct corgi_ts), GFP_KERNEL)))
- return -ENOMEM;
+ corgi_ts = kzalloc(sizeof(struct corgi_ts), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!corgi_ts || !input_dev)
+ goto fail;

dev_set_drvdata(dev, corgi_ts);

- memset(corgi_ts, 0, sizeof(struct corgi_ts));
-
corgi_ts->machinfo = dev->platform_data;
corgi_ts->irq_gpio = platform_get_irq(pdev, 0);

if (corgi_ts->irq_gpio < 0) {
- kfree(corgi_ts);
- return -ENODEV;
+ err = -ENODEV;
+ goto fail;
}

- init_input_dev(&corgi_ts->input);
- corgi_ts->input.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- corgi_ts->input.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
- input_set_abs_params(&corgi_ts->input, ABS_X, X_AXIS_MIN, X_AXIS_MAX, 0, 0);
- input_set_abs_params(&corgi_ts->input, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0);
- input_set_abs_params(&corgi_ts->input, ABS_PRESSURE, PRESSURE_MIN, PRESSURE_MAX, 0, 0);
-
- strcpy(corgi_ts->phys, "corgits/input0");
-
- corgi_ts->input.private = corgi_ts;
- corgi_ts->input.name = "Corgi Touchscreen";
- corgi_ts->input.dev = dev;
- corgi_ts->input.phys = corgi_ts->phys;
- corgi_ts->input.id.bustype = BUS_HOST;
- corgi_ts->input.id.vendor = 0x0001;
- corgi_ts->input.id.product = 0x0002;
- corgi_ts->input.id.version = 0x0100;
+ corgi_ts->input = input_dev;
+
+ init_timer(&corgi_ts->timer);
+ corgi_ts->timer.data = (unsigned long) corgi_ts;
+ corgi_ts->timer.function = corgi_ts_timer;
+
+ input_dev->name = "Corgi Touchscreen";
+ input_dev->phys = "corgits/input0";
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->id.vendor = 0x0001;
+ input_dev->id.product = 0x0002;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = dev;
+ input_dev->private = corgi_ts;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+ input_set_abs_params(input_dev, ABS_X, X_AXIS_MIN, X_AXIS_MAX, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, PRESSURE_MIN, PRESSURE_MAX, 0, 0);

pxa_gpio_mode(IRQ_TO_GPIO(corgi_ts->irq_gpio) | GPIO_IN);

@@ -319,25 +321,24 @@ static int __init corgits_probe(struct d
corgi_ssp_ads7846_putget((5u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
mdelay(5);

- init_timer(&corgi_ts->timer);
- corgi_ts->timer.data = (unsigned long) corgi_ts;
- corgi_ts->timer.function = corgi_ts_timer;
-
- input_register_device(&corgi_ts->input);
- corgi_ts->power_mode = PWR_MODE_ACTIVE;
-
if (request_irq(corgi_ts->irq_gpio, ts_interrupt, SA_INTERRUPT, "ts", corgi_ts)) {
- input_unregister_device(&corgi_ts->input);
- kfree(corgi_ts);
- return -EBUSY;
+ err = -EBUSY;
+ goto fail;
}

+ input_register_device(corgi_ts->input);
+
+ corgi_ts->power_mode = PWR_MODE_ACTIVE;
+
/* Enable Falling Edge */
set_irq_type(corgi_ts->irq_gpio, IRQT_FALLING);

- printk(KERN_INFO "input: Corgi Touchscreen Registered\n");
-
return 0;
+
+ fail: input_free_device(input_dev);
+ kfree(corgi_ts);
+ return err;
+
}

static int corgits_remove(struct device *dev)
@@ -347,7 +348,7 @@ static int corgits_remove(struct device
free_irq(corgi_ts->irq_gpio, NULL);
del_timer_sync(&corgi_ts->timer);
corgi_ts->machinfo->put_hsync();
- input_unregister_device(&corgi_ts->input);
+ input_unregister_device(corgi_ts->input);
kfree(corgi_ts);
return 0;
}
Index: work/drivers/input/touchscreen/elo.c
===================================================================
--- work.orig/drivers/input/touchscreen/elo.c
+++ work/drivers/input/touchscreen/elo.c
@@ -36,14 +36,12 @@ MODULE_LICENSE("GPL");

#define ELO_MAX_LENGTH 10

-static char *elo_name = "Elo Serial TouchScreen";
-
/*
* Per-touchscreen data.
*/

struct elo {
- struct input_dev dev;
+ struct input_dev *dev;
struct serio *serio;
int id;
int idx;
@@ -54,7 +52,7 @@ struct elo {

static void elo_process_data_10(struct elo* elo, unsigned char data, struct pt_regs *regs)
{
- struct input_dev *dev = &elo->dev;
+ struct input_dev *dev = elo->dev;

elo->csum += elo->data[elo->idx] = data;

@@ -80,7 +78,7 @@ static void elo_process_data_10(struct e
input_report_abs(dev, ABS_X, (elo->data[4] << 8) | elo->data[3]);
input_report_abs(dev, ABS_Y, (elo->data[6] << 8) | elo->data[5]);
input_report_abs(dev, ABS_PRESSURE, (elo->data[8] << 8) | elo->data[7]);
- input_report_key(dev, BTN_TOUCH, elo->data[2] & 3);
+ input_report_key(dev, BTN_TOUCH, elo->data[8] || elo->data[7]);
input_sync(dev);
}
elo->idx = 0;
@@ -91,7 +89,7 @@ static void elo_process_data_10(struct e

static void elo_process_data_6(struct elo* elo, unsigned char data, struct pt_regs *regs)
{
- struct input_dev *dev = &elo->dev;
+ struct input_dev *dev = elo->dev;

elo->data[elo->idx] = data;

@@ -129,7 +127,7 @@ static void elo_process_data_6(struct el
case 5:
if ((data & 0xf0) == 0) {
input_report_abs(dev, ABS_PRESSURE, elo->data[5]);
- input_report_key(dev, BTN_TOUCH, elo->data[5]);
+ input_report_key(dev, BTN_TOUCH, !!elo->data[5]);
}
input_sync(dev);
elo->idx = 0;
@@ -139,7 +137,7 @@ static void elo_process_data_6(struct el

static void elo_process_data_3(struct elo* elo, unsigned char data, struct pt_regs *regs)
{
- struct input_dev *dev = &elo->dev;
+ struct input_dev *dev = elo->dev;

elo->data[elo->idx] = data;

@@ -191,7 +189,7 @@ static void elo_disconnect(struct serio
{
struct elo* elo = serio_get_drvdata(serio);

- input_unregister_device(&elo->dev);
+ input_unregister_device(elo->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
kfree(elo);
@@ -206,67 +204,68 @@ static void elo_disconnect(struct serio
static int elo_connect(struct serio *serio, struct serio_driver *drv)
{
struct elo *elo;
+ struct input_dev *input_dev;
int err;

- if (!(elo = kmalloc(sizeof(struct elo), GFP_KERNEL)))
- return -ENOMEM;
+ elo = kzalloc(sizeof(struct elo), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!elo || !input_dev) {
+ err = -ENOMEM;
+ goto fail;
+ }

- memset(elo, 0, sizeof(struct elo));
+ elo->serio = serio;
+ elo->id = serio->id.id;
+ elo->dev = input_dev;
+ snprintf(elo->phys, sizeof(elo->phys), "%s/input0", serio->phys);

- init_input_dev(&elo->dev);
- elo->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- elo->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+ input_dev->private = elo;
+ input_dev->name = "Elo Serial TouchScreen";
+ input_dev->phys = elo->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_ELO;
+ input_dev->id.product = elo->id;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &serio->dev;

- elo->id = serio->id.id;
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);

switch (elo->id) {

case 0: /* 10-byte protocol */
- input_set_abs_params(&elo->dev, ABS_X, 96, 4000, 0, 0);
- input_set_abs_params(&elo->dev, ABS_Y, 96, 4000, 0, 0);
- input_set_abs_params(&elo->dev, ABS_PRESSURE, 0, 255, 0, 0);
+ input_set_abs_params(input_dev, ABS_X, 96, 4000, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, 96, 4000, 0, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, 255, 0, 0);
break;

case 1: /* 6-byte protocol */
- input_set_abs_params(&elo->dev, ABS_PRESSURE, 0, 15, 0, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, 15, 0, 0);

case 2: /* 4-byte protocol */
- input_set_abs_params(&elo->dev, ABS_X, 96, 4000, 0, 0);
- input_set_abs_params(&elo->dev, ABS_Y, 96, 4000, 0, 0);
+ input_set_abs_params(input_dev, ABS_X, 96, 4000, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, 96, 4000, 0, 0);
break;

case 3: /* 3-byte protocol */
- input_set_abs_params(&elo->dev, ABS_X, 0, 255, 0, 0);
- input_set_abs_params(&elo->dev, ABS_Y, 0, 255, 0, 0);
+ input_set_abs_params(input_dev, ABS_X, 0, 255, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0, 255, 0, 0);
break;
}

- elo->serio = serio;
-
- sprintf(elo->phys, "%s/input0", serio->phys);
-
- elo->dev.private = elo;
- elo->dev.name = elo_name;
- elo->dev.phys = elo->phys;
- elo->dev.id.bustype = BUS_RS232;
- elo->dev.id.vendor = SERIO_ELO;
- elo->dev.id.product = elo->id;
- elo->dev.id.version = 0x0100;
-
serio_set_drvdata(serio, elo);

err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(elo);
- return err;
- }
-
- input_register_device(&elo->dev);
-
- printk(KERN_INFO "input: %s on %s\n", elo_name, serio->phys);
+ if (err)
+ goto fail;

+ input_register_device(elo->dev);
return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(elo);
+ return err;
}

/*
Index: work/drivers/input/touchscreen/mtouch.c
===================================================================
--- work.orig/drivers/input/touchscreen/mtouch.c
+++ work/drivers/input/touchscreen/mtouch.c
@@ -51,14 +51,12 @@ MODULE_LICENSE("GPL");
#define MTOUCH_GET_YC(data) (((data[4])<<7) | data[3])
#define MTOUCH_GET_TOUCHED(data) (MTOUCH_FORMAT_TABLET_TOUCH_BIT & data[0])

-static char *mtouch_name = "MicroTouch Serial TouchScreen";
-
/*
* Per-touchscreen data.
*/

struct mtouch {
- struct input_dev dev;
+ struct input_dev *dev;
struct serio *serio;
int idx;
unsigned char data[MTOUCH_MAX_LENGTH];
@@ -67,7 +65,7 @@ struct mtouch {

static void mtouch_process_format_tablet(struct mtouch *mtouch, struct pt_regs *regs)
{
- struct input_dev *dev = &mtouch->dev;
+ struct input_dev *dev = mtouch->dev;

if (MTOUCH_FORMAT_TABLET_LENGTH == ++mtouch->idx) {
input_regs(dev, regs);
@@ -116,9 +114,11 @@ static void mtouch_disconnect(struct ser
{
struct mtouch* mtouch = serio_get_drvdata(serio);

- input_unregister_device(&mtouch->dev);
+ input_get_device(mtouch->dev);
+ input_unregister_device(mtouch->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
+ input_put_device(mtouch->dev);
kfree(mtouch);
}

@@ -131,46 +131,46 @@ static void mtouch_disconnect(struct ser
static int mtouch_connect(struct serio *serio, struct serio_driver *drv)
{
struct mtouch *mtouch;
+ struct input_dev *input_dev;
int err;

- if (!(mtouch = kmalloc(sizeof(*mtouch), GFP_KERNEL)))
- return -ENOMEM;
-
- memset(mtouch, 0, sizeof(*mtouch));
-
- init_input_dev(&mtouch->dev);
- mtouch->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- mtouch->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
-
- input_set_abs_params(&mtouch->dev, ABS_X, MTOUCH_MIN_XC, MTOUCH_MAX_XC, 0, 0);
- input_set_abs_params(&mtouch->dev, ABS_Y, MTOUCH_MIN_YC, MTOUCH_MAX_YC, 0, 0);
+ mtouch = kzalloc(sizeof(struct mtouch), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!mtouch || !input_dev) {
+ err = -ENOMEM;
+ goto fail;
+ }

mtouch->serio = serio;
-
+ mtouch->dev = input_dev;
sprintf(mtouch->phys, "%s/input0", serio->phys);

- mtouch->dev.private = mtouch;
- mtouch->dev.name = mtouch_name;
- mtouch->dev.phys = mtouch->phys;
- mtouch->dev.id.bustype = BUS_RS232;
- mtouch->dev.id.vendor = SERIO_MICROTOUCH;
- mtouch->dev.id.product = 0;
- mtouch->dev.id.version = 0x0100;
+ input_dev->private = mtouch;
+ input_dev->name = "MicroTouch Serial TouchScreen";
+ input_dev->phys = mtouch->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_MICROTOUCH;
+ input_dev->id.product = 0;
+ input_dev->id.version = 0x0100;
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+ input_set_abs_params(mtouch->dev, ABS_X, MTOUCH_MIN_XC, MTOUCH_MAX_XC, 0, 0);
+ input_set_abs_params(mtouch->dev, ABS_Y, MTOUCH_MIN_YC, MTOUCH_MAX_YC, 0, 0);

serio_set_drvdata(serio, mtouch);

err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(mtouch);
- return err;
- }
-
- input_register_device(&mtouch->dev);
+ if (err)
+ goto fail;

- printk(KERN_INFO "input: %s on %s\n", mtouch->dev.name, serio->phys);
+ input_register_device(mtouch->dev);

return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(mtouch);
+ return err;
}

/*
Index: work/drivers/input/touchscreen/hp680_ts_input.c
===================================================================
--- work.orig/drivers/input/touchscreen/hp680_ts_input.c
+++ work/drivers/input/touchscreen/hp680_ts_input.c
@@ -21,10 +21,8 @@

static void do_softint(void *data);

-static struct input_dev hp680_ts_dev;
+static struct input_dev *hp680_ts_dev;
static DECLARE_WORK(work, do_softint, 0);
-static char *hp680_ts_name = "HP Jornada touchscreen";
-static char *hp680_ts_phys = "input0";

static void do_softint(void *data)
{
@@ -58,14 +56,14 @@ static void do_softint(void *data)
}

if (touched) {
- input_report_key(&hp680_ts_dev, BTN_TOUCH, 1);
- input_report_abs(&hp680_ts_dev, ABS_X, absx);
- input_report_abs(&hp680_ts_dev, ABS_Y, absy);
+ input_report_key(hp680_ts_dev, BTN_TOUCH, 1);
+ input_report_abs(hp680_ts_dev, ABS_X, absx);
+ input_report_abs(hp680_ts_dev, ABS_Y, absy);
} else {
- input_report_key(&hp680_ts_dev, BTN_TOUCH, 0);
+ input_report_key(hp680_ts_dev, BTN_TOUCH, 0);
}

- input_sync(&hp680_ts_dev);
+ input_sync(hp680_ts_dev);
enable_irq(HP680_TS_IRQ);
}

@@ -92,27 +90,29 @@ static int __init hp680_ts_init(void)
scpcr |= SCPCR_TS_ENABLE;
ctrl_outw(scpcr, SCPCR);

- memset(&hp680_ts_dev, 0, sizeof(hp680_ts_dev));
- init_input_dev(&hp680_ts_dev);
-
- hp680_ts_dev.evbit[0] = BIT(EV_ABS) | BIT(EV_KEY);
- hp680_ts_dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
- hp680_ts_dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
-
- hp680_ts_dev.absmin[ABS_X] = HP680_TS_ABS_X_MIN;
- hp680_ts_dev.absmin[ABS_Y] = HP680_TS_ABS_Y_MIN;
- hp680_ts_dev.absmax[ABS_X] = HP680_TS_ABS_X_MAX;
- hp680_ts_dev.absmax[ABS_Y] = HP680_TS_ABS_Y_MAX;
-
- hp680_ts_dev.name = hp680_ts_name;
- hp680_ts_dev.phys = hp680_ts_phys;
- input_register_device(&hp680_ts_dev);
-
- if (request_irq
- (HP680_TS_IRQ, hp680_ts_interrupt, SA_INTERRUPT, MODNAME, 0) < 0) {
- printk(KERN_ERR "hp680_touchscreen.c : Can't allocate irq %d\n",
+ hp680_ts_dev = input_allocate_device();
+ if (!hp680_ts_dev)
+ return -ENOMEM;
+
+ hp680_ts_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY);
+ hp680_ts_dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
+ hp680_ts_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+
+ hp680_ts_dev->absmin[ABS_X] = HP680_TS_ABS_X_MIN;
+ hp680_ts_dev->absmin[ABS_Y] = HP680_TS_ABS_Y_MIN;
+ hp680_ts_dev->absmax[ABS_X] = HP680_TS_ABS_X_MAX;
+ hp680_ts_dev->absmax[ABS_Y] = HP680_TS_ABS_Y_MAX;
+
+ hp680_ts_dev->name = "HP Jornada touchscreen";
+ hp680_ts_dev->phys = "hp680_ts/input0";
+
+ input_register_device(hp680_ts_dev);
+
+ if (request_irq(HP680_TS_IRQ, hp680_ts_interrupt,
+ SA_INTERRUPT, MODNAME, 0) < 0) {
+ printk(KERN_ERR "hp680_touchscreen.c: Can't allocate irq %d\n",
HP680_TS_IRQ);
- input_unregister_device(&hp680_ts_dev);
+ input_unregister_device(hp680_ts_dev);
return -EBUSY;
}

@@ -124,7 +124,7 @@ static void __exit hp680_ts_exit(void)
free_irq(HP680_TS_IRQ, 0);
cancel_delayed_work(&work);
flush_scheduled_work();
- input_unregister_device(&hp680_ts_dev);
+ input_unregister_device(hp680_ts_dev);
}

module_init(hp680_ts_init);
-
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