mirror of
https://github.com/adulau/aha.git
synced 2024-12-27 11:16:11 +00:00
Input: add HTC Shift Touchscreen Driver
Signed-off-by: Pau Oliva Fora <pau@eslack.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Pau Oliva Fora
Dmitry Torokhov
parent
c3a34f4390
commit
5a18c343a6
4 changed files with 274 additions and 0 deletions
|
|
@ -1928,6 +1928,12 @@ M: mikulas@artax.karlin.mff.cuni.cz
|
|||
W: http://artax.karlin.mff.cuni.cz/~mikulas/vyplody/hpfs/index-e.cgi
|
||||
S: Maintained
|
||||
|
||||
HTCPEN TOUCHSCREEN DRIVER
|
||||
P: Pau Oliva Fora
|
||||
M: pof@eslack.org
|
||||
L: linux-input@vger.kernel.org
|
||||
S: Maintained
|
||||
|
||||
HUGETLB FILESYSTEM
|
||||
P: William Irwin
|
||||
M: wli@holomorphy.com
|
||||
|
|
|
|||
|
|
@ -134,6 +134,18 @@ config TOUCHSCREEN_HP7XX
|
|||
To compile this driver as a module, choose M here: the
|
||||
module will be called jornada720_ts.
|
||||
|
||||
config TOUCHSCREEN_HTCPEN
|
||||
tristate "HTC Shift X9500 touchscreen"
|
||||
depends on ISA
|
||||
help
|
||||
Say Y here if you have an HTC Shift UMPC also known as HTC X9500
|
||||
Clio / Shangrila and want to support the built-in touchscreen.
|
||||
|
||||
If unsure, say N.
|
||||
|
||||
To compile this driver as a module, choose M here: the
|
||||
module will be called htcpen.
|
||||
|
||||
config TOUCHSCREEN_PENMOUNT
|
||||
tristate "Penmount serial touchscreen"
|
||||
select SERIO
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@ obj-$(CONFIG_TOUCHSCREEN_MTOUCH) += mtouch.o
|
|||
obj-$(CONFIG_TOUCHSCREEN_MK712) += mk712.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_HP600) += hp680_ts_input.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_HP7XX) += jornada720_ts.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_HTCPEN) += htcpen.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_USB_COMPOSITE) += usbtouchscreen.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_PENMOUNT) += penmount.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o
|
||||
|
|
|
|||
255
drivers/input/touchscreen/htcpen.c
Normal file
255
drivers/input/touchscreen/htcpen.c
Normal file
|
|
@ -0,0 +1,255 @@
|
|||
/*
|
||||
* HTC Shift touchscreen driver
|
||||
*
|
||||
* Copyright (C) 2008 Pau Oliva Fora <pof@eslack.org>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 as published
|
||||
* by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/errno.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/irq.h>
|
||||
#include <linux/isa.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/dmi.h>
|
||||
|
||||
MODULE_AUTHOR("Pau Oliva Fora <pau@eslack.org>");
|
||||
MODULE_DESCRIPTION("HTC Shift touchscreen driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
#define HTCPEN_PORT_IRQ_CLEAR 0x068
|
||||
#define HTCPEN_PORT_INIT 0x06c
|
||||
#define HTCPEN_PORT_INDEX 0x0250
|
||||
#define HTCPEN_PORT_DATA 0x0251
|
||||
#define HTCPEN_IRQ 3
|
||||
|
||||
#define DEVICE_ENABLE 0xa2
|
||||
#define DEVICE_DISABLE 0xa3
|
||||
|
||||
#define X_INDEX 3
|
||||
#define Y_INDEX 5
|
||||
#define TOUCH_INDEX 0xb
|
||||
#define LSB_XY_INDEX 0xc
|
||||
#define X_AXIS_MAX 2040
|
||||
#define Y_AXIS_MAX 2040
|
||||
|
||||
static int invert_x;
|
||||
module_param(invert_x, bool, 0644);
|
||||
MODULE_PARM_DESC(invert_x, "If set, X axis is inverted");
|
||||
static int invert_y;
|
||||
module_param(invert_y, bool, 0644);
|
||||
MODULE_PARM_DESC(invert_y, "If set, Y axis is inverted");
|
||||
|
||||
static struct pnp_device_id pnp_ids[] = {
|
||||
{ .id = "PNP0cc0" },
|
||||
{ .id = "" }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(pnp, pnp_ids);
|
||||
|
||||
static irqreturn_t htcpen_interrupt(int irq, void *handle)
|
||||
{
|
||||
struct input_dev *htcpen_dev = handle;
|
||||
unsigned short x, y, xy;
|
||||
|
||||
/* 0 = press; 1 = release */
|
||||
outb_p(TOUCH_INDEX, HTCPEN_PORT_INDEX);
|
||||
|
||||
if (inb_p(HTCPEN_PORT_DATA)) {
|
||||
input_report_key(htcpen_dev, BTN_TOUCH, 0);
|
||||
} else {
|
||||
outb_p(X_INDEX, HTCPEN_PORT_INDEX);
|
||||
x = inb_p(HTCPEN_PORT_DATA);
|
||||
|
||||
outb_p(Y_INDEX, HTCPEN_PORT_INDEX);
|
||||
y = inb_p(HTCPEN_PORT_DATA);
|
||||
|
||||
outb_p(LSB_XY_INDEX, HTCPEN_PORT_INDEX);
|
||||
xy = inb_p(HTCPEN_PORT_DATA);
|
||||
|
||||
/* get high resolution value of X and Y using LSB */
|
||||
x = X_AXIS_MAX - ((x * 8) + ((xy >> 4) & 0xf));
|
||||
y = (y * 8) + (xy & 0xf);
|
||||
if (invert_x)
|
||||
x = X_AXIS_MAX - x;
|
||||
if (invert_y)
|
||||
y = Y_AXIS_MAX - y;
|
||||
|
||||
if (x != X_AXIS_MAX && x != 0) {
|
||||
input_report_key(htcpen_dev, BTN_TOUCH, 1);
|
||||
input_report_abs(htcpen_dev, ABS_X, x);
|
||||
input_report_abs(htcpen_dev, ABS_Y, y);
|
||||
}
|
||||
}
|
||||
|
||||
input_sync(htcpen_dev);
|
||||
|
||||
inb_p(HTCPEN_PORT_IRQ_CLEAR);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static int htcpen_open(struct input_dev *dev)
|
||||
{
|
||||
outb_p(DEVICE_ENABLE, HTCPEN_PORT_INIT);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void htcpen_close(struct input_dev *dev)
|
||||
{
|
||||
outb_p(DEVICE_DISABLE, HTCPEN_PORT_INIT);
|
||||
synchronize_irq(HTCPEN_IRQ);
|
||||
}
|
||||
|
||||
static int __devinit htcpen_isa_probe(struct device *dev, unsigned int id)
|
||||
{
|
||||
struct input_dev *htcpen_dev;
|
||||
int err = -EBUSY;
|
||||
|
||||
if (!request_region(HTCPEN_PORT_IRQ_CLEAR, 1, "htcpen")) {
|
||||
printk(KERN_ERR "htcpen: unable to get IO region 0x%x\n",
|
||||
HTCPEN_PORT_IRQ_CLEAR);
|
||||
goto request_region1_failed;
|
||||
}
|
||||
|
||||
if (!request_region(HTCPEN_PORT_INIT, 1, "htcpen")) {
|
||||
printk(KERN_ERR "htcpen: unable to get IO region 0x%x\n",
|
||||
HTCPEN_PORT_INIT);
|
||||
goto request_region2_failed;
|
||||
}
|
||||
|
||||
if (!request_region(HTCPEN_PORT_INDEX, 2, "htcpen")) {
|
||||
printk(KERN_ERR "htcpen: unable to get IO region 0x%x\n",
|
||||
HTCPEN_PORT_INDEX);
|
||||
goto request_region3_failed;
|
||||
}
|
||||
|
||||
htcpen_dev = input_allocate_device();
|
||||
if (!htcpen_dev) {
|
||||
printk(KERN_ERR "htcpen: can't allocate device\n");
|
||||
err = -ENOMEM;
|
||||
goto input_alloc_failed;
|
||||
}
|
||||
|
||||
htcpen_dev->name = "HTC Shift EC TouchScreen";
|
||||
htcpen_dev->id.bustype = BUS_ISA;
|
||||
|
||||
htcpen_dev->evbit[0] = BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY);
|
||||
htcpen_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
|
||||
input_set_abs_params(htcpen_dev, ABS_X, 0, X_AXIS_MAX, 0, 0);
|
||||
input_set_abs_params(htcpen_dev, ABS_Y, 0, Y_AXIS_MAX, 0, 0);
|
||||
|
||||
htcpen_dev->open = htcpen_open;
|
||||
htcpen_dev->close = htcpen_close;
|
||||
|
||||
err = request_irq(HTCPEN_IRQ, htcpen_interrupt, 0, "htcpen",
|
||||
htcpen_dev);
|
||||
if (err) {
|
||||
printk(KERN_ERR "htcpen: irq busy\n");
|
||||
goto request_irq_failed;
|
||||
}
|
||||
|
||||
inb_p(HTCPEN_PORT_IRQ_CLEAR);
|
||||
|
||||
err = input_register_device(htcpen_dev);
|
||||
if (err)
|
||||
goto input_register_failed;
|
||||
|
||||
dev_set_drvdata(dev, htcpen_dev);
|
||||
|
||||
return 0;
|
||||
|
||||
input_register_failed:
|
||||
free_irq(HTCPEN_IRQ, htcpen_dev);
|
||||
request_irq_failed:
|
||||
input_free_device(htcpen_dev);
|
||||
input_alloc_failed:
|
||||
release_region(HTCPEN_PORT_INDEX, 2);
|
||||
request_region3_failed:
|
||||
release_region(HTCPEN_PORT_INIT, 1);
|
||||
request_region2_failed:
|
||||
release_region(HTCPEN_PORT_IRQ_CLEAR, 1);
|
||||
request_region1_failed:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int __devexit htcpen_isa_remove(struct device *dev, unsigned int id)
|
||||
{
|
||||
struct input_dev *htcpen_dev = dev_get_drvdata(dev);
|
||||
|
||||
input_unregister_device(htcpen_dev);
|
||||
|
||||
free_irq(HTCPEN_IRQ, htcpen_dev);
|
||||
|
||||
release_region(HTCPEN_PORT_INDEX, 2);
|
||||
release_region(HTCPEN_PORT_INIT, 1);
|
||||
release_region(HTCPEN_PORT_IRQ_CLEAR, 1);
|
||||
|
||||
dev_set_drvdata(dev, NULL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static int htcpen_isa_suspend(struct device *dev, unsigned int n,
|
||||
pm_message_t state)
|
||||
{
|
||||
outb_p(DEVICE_DISABLE, HTCPEN_PORT_INIT);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int htcpen_isa_resume(struct device *dev, unsigned int n)
|
||||
{
|
||||
outb_p(DEVICE_ENABLE, HTCPEN_PORT_INIT);
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
static struct isa_driver htcpen_isa_driver = {
|
||||
.probe = htcpen_isa_probe,
|
||||
.remove = __devexit_p(htcpen_isa_remove),
|
||||
#ifdef CONFIG_PM
|
||||
.suspend = htcpen_isa_suspend,
|
||||
.resume = htcpen_isa_resume,
|
||||
#endif
|
||||
.driver = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = "htcpen",
|
||||
}
|
||||
};
|
||||
|
||||
static struct dmi_system_id __initdata htcshift_dmi_table[] = {
|
||||
{
|
||||
.ident = "Shift",
|
||||
.matches = {
|
||||
DMI_MATCH(DMI_SYS_VENDOR, "High Tech Computer Corp"),
|
||||
DMI_MATCH(DMI_PRODUCT_NAME, "Shift"),
|
||||
},
|
||||
},
|
||||
{ }
|
||||
};
|
||||
|
||||
static int __init htcpen_isa_init(void)
|
||||
{
|
||||
if (!dmi_check_system(htcshift_dmi_table))
|
||||
return -ENODEV;
|
||||
|
||||
return isa_register_driver(&htcpen_isa_driver, 1);
|
||||
}
|
||||
|
||||
static void __exit htcpen_isa_exit(void)
|
||||
{
|
||||
isa_unregister_driver(&htcpen_isa_driver);
|
||||
}
|
||||
|
||||
module_init(htcpen_isa_init);
|
||||
module_exit(htcpen_isa_exit);
|
||||
Loading…
Reference in a new issue