aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/input/touchscreen
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r--drivers/input/touchscreen/Kconfig46
-rw-r--r--drivers/input/touchscreen/Makefile4
-rw-r--r--drivers/input/touchscreen/gunze.c2
-rw-r--r--drivers/input/touchscreen/h3600_ts_input.c2
-rw-r--r--drivers/input/touchscreen/htcpen.c255
-rw-r--r--drivers/input/touchscreen/inexio.c207
-rw-r--r--drivers/input/touchscreen/migor_ts.c250
-rw-r--r--drivers/input/touchscreen/touchit213.c234
-rw-r--r--drivers/input/touchscreen/usbtouchscreen.c42
-rw-r--r--drivers/input/touchscreen/wm9712.c18
10 files changed, 1038 insertions, 22 deletions
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 565ec71..e573665 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -103,6 +103,18 @@ config TOUCHSCREEN_MTOUCH
To compile this driver as a module, choose M here: the
module will be called mtouch.
+config TOUCHSCREEN_INEXIO
+ tristate "iNexio serial touchscreens"
+ select SERIO
+ help
+ Say Y here if you have an iNexio serial touchscreen connected to
+ your system.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called inexio.
+
config TOUCHSCREEN_MK712
tristate "ICS MicroClock MK712 touchscreen"
help
@@ -134,6 +146,18 @@ 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
@@ -146,6 +170,17 @@ config TOUCHSCREEN_PENMOUNT
To compile this driver as a module, choose M here: the
module will be called penmount.
+config TOUCHSCREEN_MIGOR
+ tristate "Renesas MIGO-R touchscreen"
+ depends on SH_MIGOR && I2C
+ help
+ Say Y here to enable MIGO-R touchscreen support.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called migor_ts.
+
config TOUCHSCREEN_TOUCHRIGHT
tristate "Touchright serial touchscreen"
select SERIO
@@ -316,4 +351,15 @@ config TOUCHSCREEN_USB_GOTOP
bool "GoTop Super_Q2/GogoPen/PenPower tablet device support" if EMBEDDED
depends on TOUCHSCREEN_USB_COMPOSITE
+config TOUCHSCREEN_TOUCHIT213
+ tristate "Sahara TouchIT-213 touchscreen"
+ select SERIO
+ help
+ Say Y here if you have a Sahara TouchIT-213 Tablet PC.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called touchit213.
+
endif
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 3c096d7..39a804c 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -12,12 +12,16 @@ obj-$(CONFIG_TOUCHSCREEN_CORGI) += corgi_ts.o
obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o
obj-$(CONFIG_TOUCHSCREEN_ELO) += elo.o
obj-$(CONFIG_TOUCHSCREEN_FUJITSU) += fujitsu_ts.o
+obj-$(CONFIG_TOUCHSCREEN_INEXIO) += inexio.o
+obj-$(CONFIG_TOUCHSCREEN_MIGOR) += migor_ts.o
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_TOUCHIT213) += touchit213.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o
obj-$(CONFIG_TOUCHSCREEN_UCB1400) += ucb1400_ts.o
diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c
index a48a158..a54f90e 100644
--- a/drivers/input/touchscreen/gunze.c
+++ b/drivers/input/touchscreen/gunze.c
@@ -1,6 +1,4 @@
/*
- * $Id: gunze.c,v 1.12 2001/09/25 10:12:07 vojtech Exp $
- *
* Copyright (c) 2000-2001 Vojtech Pavlik
*/
diff --git a/drivers/input/touchscreen/h3600_ts_input.c b/drivers/input/touchscreen/h3600_ts_input.c
index 28ae15e..4f86081 100644
--- a/drivers/input/touchscreen/h3600_ts_input.c
+++ b/drivers/input/touchscreen/h3600_ts_input.c
@@ -1,6 +1,4 @@
/*
- * $Id: h3600_ts_input.c,v 1.4 2002/01/23 06:39:37 jsimmons Exp $
- *
* Copyright (c) 2001 "Crazy" James Simmons jsimmons@transvirtual.com
*
* Sponsored by Transvirtual Technology.
diff --git a/drivers/input/touchscreen/htcpen.c b/drivers/input/touchscreen/htcpen.c
new file mode 100644
index 0000000..62811de
--- /dev/null
+++ b/drivers/input/touchscreen/htcpen.c
@@ -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);
diff --git a/drivers/input/touchscreen/inexio.c b/drivers/input/touchscreen/inexio.c
new file mode 100644
index 0000000..192ade0
--- /dev/null
+++ b/drivers/input/touchscreen/inexio.c
@@ -0,0 +1,207 @@
+/*
+ * iNexio serial touchscreen driver
+ *
+ * Copyright (c) 2008 Richard Lemon
+ * Based on the mtouch driver (c) Vojtech Pavlik and Dan Streetman
+ *
+ */
+
+/*
+ * 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.
+ */
+
+/*
+ * 2008/06/19 Richard Lemon <richard@codelemon.com>
+ * Copied mtouch.c and edited for iNexio protocol
+ */
+
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/serio.h>
+#include <linux/init.h>
+
+#define DRIVER_DESC "iNexio serial touchscreen driver"
+
+MODULE_AUTHOR("Richard Lemon <richard@codelemon.com>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+/*
+ * Definitions & global arrays.
+ */
+
+#define INEXIO_FORMAT_TOUCH_BIT 0x01
+#define INEXIO_FORMAT_LENGTH 5
+#define INEXIO_RESPONSE_BEGIN_BYTE 0x80
+
+/* todo: check specs for max length of all responses */
+#define INEXIO_MAX_LENGTH 16
+
+#define INEXIO_MIN_XC 0
+#define INEXIO_MAX_XC 0x3fff
+#define INEXIO_MIN_YC 0
+#define INEXIO_MAX_YC 0x3fff
+
+#define INEXIO_GET_XC(data) (((data[1])<<7) | data[2])
+#define INEXIO_GET_YC(data) (((data[3])<<7) | data[4])
+#define INEXIO_GET_TOUCHED(data) (INEXIO_FORMAT_TOUCH_BIT & data[0])
+
+/*
+ * Per-touchscreen data.
+ */
+
+struct inexio {
+ struct input_dev *dev;
+ struct serio *serio;
+ int idx;
+ unsigned char data[INEXIO_MAX_LENGTH];
+ char phys[32];
+};
+
+static void inexio_process_data(struct inexio *pinexio)
+{
+ struct input_dev *dev = pinexio->dev;
+
+ if (INEXIO_FORMAT_LENGTH == ++pinexio->idx) {
+ input_report_abs(dev, ABS_X, INEXIO_GET_XC(pinexio->data));
+ input_report_abs(dev, ABS_Y, INEXIO_GET_YC(pinexio->data));
+ input_report_key(dev, BTN_TOUCH, INEXIO_GET_TOUCHED(pinexio->data));
+ input_sync(dev);
+
+ pinexio->idx = 0;
+ }
+}
+
+static irqreturn_t inexio_interrupt(struct serio *serio,
+ unsigned char data, unsigned int flags)
+{
+ struct inexio* pinexio = serio_get_drvdata(serio);
+
+ pinexio->data[pinexio->idx] = data;
+
+ if (INEXIO_RESPONSE_BEGIN_BYTE&pinexio->data[0])
+ inexio_process_data(pinexio);
+ else
+ printk(KERN_DEBUG "inexio.c: unknown/unsynchronized data from device, byte %x\n",pinexio->data[0]);
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * inexio_disconnect() is the opposite of inexio_connect()
+ */
+
+static void inexio_disconnect(struct serio *serio)
+{
+ struct inexio* pinexio = serio_get_drvdata(serio);
+
+ input_get_device(pinexio->dev);
+ input_unregister_device(pinexio->dev);
+ serio_close(serio);
+ serio_set_drvdata(serio, NULL);
+ input_put_device(pinexio->dev);
+ kfree(pinexio);
+}
+
+/*
+ * inexio_connect() is the routine that is called when someone adds a
+ * new serio device that supports iNexio protocol and registers it as
+ * an input device. This is usually accomplished using inputattach.
+ */
+
+static int inexio_connect(struct serio *serio, struct serio_driver *drv)
+{
+ struct inexio *pinexio;
+ struct input_dev *input_dev;
+ int err;
+
+ pinexio = kzalloc(sizeof(struct inexio), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!pinexio || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
+
+ pinexio->serio = serio;
+ pinexio->dev = input_dev;
+ snprintf(pinexio->phys, sizeof(pinexio->phys), "%s/input0", serio->phys);
+
+ input_dev->name = "iNexio Serial TouchScreen";
+ input_dev->phys = pinexio->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_INEXIO;
+ input_dev->id.product = 0;
+ input_dev->id.version = 0x0001;
+ input_dev->dev.parent = &serio->dev;
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+ input_set_abs_params(pinexio->dev, ABS_X, INEXIO_MIN_XC, INEXIO_MAX_XC, 0, 0);
+ input_set_abs_params(pinexio->dev, ABS_Y, INEXIO_MIN_YC, INEXIO_MAX_YC, 0, 0);
+
+ serio_set_drvdata(serio, pinexio);
+
+ err = serio_open(serio, drv);
+ if (err)
+ goto fail2;
+
+ err = input_register_device(pinexio->dev);
+ if (err)
+ goto fail3;
+
+ return 0;
+
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(input_dev);
+ kfree(pinexio);
+ return err;
+}
+
+/*
+ * The serio driver structure.
+ */
+
+static struct serio_device_id inexio_serio_ids[] = {
+ {
+ .type = SERIO_RS232,
+ .proto = SERIO_INEXIO,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, inexio_serio_ids);
+
+static struct serio_driver inexio_drv = {
+ .driver = {
+ .name = "inexio",
+ },
+ .description = DRIVER_DESC,
+ .id_table = inexio_serio_ids,
+ .interrupt = inexio_interrupt,
+ .connect = inexio_connect,
+ .disconnect = inexio_disconnect,
+};
+
+/*
+ * The functions for inserting/removing us as a module.
+ */
+
+static int __init inexio_init(void)
+{
+ return serio_register_driver(&inexio_drv);
+}
+
+static void __exit inexio_exit(void)
+{
+ serio_unregister_driver(&inexio_drv);
+}
+
+module_init(inexio_init);
+module_exit(inexio_exit);
diff --git a/drivers/input/touchscreen/migor_ts.c b/drivers/input/touchscreen/migor_ts.c
new file mode 100644
index 0000000..c1cd99d
--- /dev/null
+++ b/drivers/input/touchscreen/migor_ts.c
@@ -0,0 +1,250 @@
+/*
+ * Touch Screen driver for Renesas MIGO-R Platform
+ *
+ * Copyright (c) 2008 Magnus Damm
+ * Copyright (c) 2007 Ujjwal Pande <ujjwal@kenati.com>,
+ * Kenati Technologies Pvt Ltd.
+ *
+ * This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+#include <linux/i2c.h>
+#include <linux/timer.h>
+
+#define EVENT_PENDOWN 1
+#define EVENT_REPEAT 2
+#define EVENT_PENUP 3
+
+struct migor_ts_priv {
+ struct i2c_client *client;
+ struct input_dev *input;
+ struct delayed_work work;
+ int irq;
+};
+
+static const u_int8_t migor_ts_ena_seq[17] = { 0x33, 0x22, 0x11,
+ 0x01, 0x06, 0x07, };
+static const u_int8_t migor_ts_dis_seq[17] = { };
+
+static void migor_ts_poscheck(struct work_struct *work)
+{
+ struct migor_ts_priv *priv = container_of(work,
+ struct migor_ts_priv,
+ work.work);
+ unsigned short xpos, ypos;
+ unsigned char event;
+ u_int8_t buf[16];
+
+ memset(buf, 0, sizeof(buf));
+
+ /* Set Index 0 */
+ buf[0] = 0;
+ if (i2c_master_send(priv->client, buf, 1) != 1) {
+ dev_err(&priv->client->dev, "Unable to write i2c index\n");
+ goto out;
+ }
+
+ /* Now do Page Read */
+ if (i2c_master_recv(priv->client, buf, sizeof(buf)) != sizeof(buf)) {
+ dev_err(&priv->client->dev, "Unable to read i2c page\n");
+ goto out;
+ }
+
+ ypos = ((buf[9] & 0x03) << 8 | buf[8]);
+ xpos = ((buf[11] & 0x03) << 8 | buf[10]);
+ event = buf[12];
+
+ if (event == EVENT_PENDOWN || event == EVENT_REPEAT) {
+ input_report_key(priv->input, BTN_TOUCH, 1);
+ input_report_abs(priv->input, ABS_X, ypos); /*X-Y swap*/
+ input_report_abs(priv->input, ABS_Y, xpos);
+ input_sync(priv->input);
+ } else if (event == EVENT_PENUP) {
+ input_report_key(priv->input, BTN_TOUCH, 0);
+ input_sync(priv->input);
+ }
+ out:
+ enable_irq(priv->irq);
+}
+
+static irqreturn_t migor_ts_isr(int irq, void *dev_id)
+{
+ struct migor_ts_priv *priv = dev_id;
+
+ /* the touch screen controller chip is hooked up to the cpu
+ * using i2c and a single interrupt line. the interrupt line
+ * is pulled low whenever someone taps the screen. to deassert
+ * the interrupt line we need to acknowledge the interrupt by
+ * communicating with the controller over the slow i2c bus.
+ *
+ * we can't acknowledge from interrupt context since the i2c
+ * bus controller may sleep, so we just disable the interrupt
+ * here and handle the acknowledge using delayed work.
+ */
+
+ disable_irq_nosync(irq);
+ schedule_delayed_work(&priv->work, HZ / 20);
+
+ return IRQ_HANDLED;
+}
+
+
+static int migor_ts_open(struct input_dev *dev)
+{
+ struct migor_ts_priv *priv = input_get_drvdata(dev);
+ struct i2c_client *client = priv->client;
+ int count;
+
+ /* enable controller */
+ count = i2c_master_send(client, migor_ts_ena_seq,
+ sizeof(migor_ts_ena_seq));
+ if (count != sizeof(migor_ts_ena_seq)) {
+ dev_err(&client->dev, "Unable to enable touchscreen.\n");
+ return -ENXIO;
+ }
+
+ return 0;
+}
+
+static void migor_ts_close(struct input_dev *dev)
+{
+ struct migor_ts_priv *priv = input_get_drvdata(dev);
+ struct i2c_client *client = priv->client;
+
+ disable_irq(priv->irq);
+
+ /* cancel pending work and wait for migor_ts_poscheck() to finish */
+ if (cancel_delayed_work_sync(&priv->work)) {
+ /*
+ * if migor_ts_poscheck was canceled we need to enable IRQ
+ * here to balance disable done in migor_ts_isr.
+ */
+ enable_irq(priv->irq);
+ }
+
+ /* disable controller */
+ i2c_master_send(client, migor_ts_dis_seq, sizeof(migor_ts_dis_seq));
+
+ enable_irq(priv->irq);
+}
+
+static int migor_ts_probe(struct i2c_client *client,
+ const struct i2c_device_id *idp)
+{
+ struct migor_ts_priv *priv;
+ struct input_dev *input;
+ int error;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv) {
+ dev_err(&client->dev, "failed to allocate driver data\n");
+ error = -ENOMEM;
+ goto err0;
+ }
+
+ dev_set_drvdata(&client->dev, priv);
+
+ input = input_allocate_device();
+ if (!input) {
+ dev_err(&client->dev, "Failed to allocate input device.\n");
+ error = -ENOMEM;
+ goto err1;
+ }
+
+ input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+
+ input_set_abs_params(input, ABS_X, 95, 955, 0, 0);
+ input_set_abs_params(input, ABS_Y, 85, 935, 0, 0);
+
+ input->name = client->driver_name;
+ input->id.bustype = BUS_I2C;
+ input->dev.parent = &client->dev;
+
+ input->open = migor_ts_open;
+ input->close = migor_ts_close;
+
+ input_set_drvdata(input, priv);
+
+ priv->client = client;
+ priv->input = input;
+ INIT_DELAYED_WORK(&priv->work, migor_ts_poscheck);
+ priv->irq = client->irq;
+
+ error = input_register_device(input);
+ if (error)
+ goto err1;
+
+ error = request_irq(priv->irq, migor_ts_isr, IRQF_TRIGGER_LOW,
+ client->driver_name, priv);
+ if (error) {
+ dev_err(&client->dev, "Unable to request touchscreen IRQ.\n");
+ goto err2;
+ }
+
+ return 0;
+
+ err2:
+ input_unregister_device(input);
+ input = NULL; /* so we dont try to free it below */
+ err1:
+ input_free_device(input);
+ kfree(priv);
+ err0:
+ dev_set_drvdata(&client->dev, NULL);
+ return error;
+}
+
+static int migor_ts_remove(struct i2c_client *client)
+{
+ struct migor_ts_priv *priv = dev_get_drvdata(&client->dev);
+
+ free_irq(priv->irq, priv);
+ input_unregister_device(priv->input);
+ kfree(priv);
+
+ dev_set_drvdata(&client->dev, NULL);
+
+ return 0;
+}
+
+static struct i2c_driver migor_ts_driver = {
+ .driver = {
+ .name = "migor_ts",
+ },
+ .probe = migor_ts_probe,
+ .remove = migor_ts_remove,
+};
+
+static int __init migor_ts_init(void)
+{
+ return i2c_add_driver(&migor_ts_driver);
+}
+
+static void __exit migor_ts_exit(void)
+{
+ i2c_del_driver(&migor_ts_driver);
+}
+
+MODULE_DESCRIPTION("MigoR Touchscreen driver");
+MODULE_AUTHOR("Magnus Damm <damm@opensource.se>");
+MODULE_LICENSE("GPL");
+
+module_init(migor_ts_init);
+module_exit(migor_ts_exit);
diff --git a/drivers/input/touchscreen/touchit213.c b/drivers/input/touchscreen/touchit213.c
new file mode 100644
index 0000000..d1297ba
--- /dev/null
+++ b/drivers/input/touchscreen/touchit213.c
@@ -0,0 +1,234 @@
+/*
+ * Sahara TouchIT-213 serial touchscreen driver
+ *
+ * Copyright (c) 2007-2008 Claudio Nieder <private@claudio.ch>
+ *
+ * Based on Touchright driver (drivers/input/touchscreen/touchright.c)
+ * Copyright (c) 2006 Rick Koch <n1gp@hotmail.com>
+ * Copyright (c) 2004 Vojtech Pavlik
+ * and Dan Streetman <ddstreet@ieee.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/slab.h>
+#include <linux/input.h>
+#include <linux/serio.h>
+#include <linux/init.h>
+
+#define DRIVER_DESC "Sahara TouchIT-213 serial touchscreen driver"
+
+MODULE_AUTHOR("Claudio Nieder <private@claudio.ch>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+/*
+ * Definitions & global arrays.
+ */
+
+/*
+ * Data is received through COM1 at 9600bit/s,8bit,no parity in packets
+ * of 5 byte each.
+ *
+ * +--------+ +--------+ +--------+ +--------+ +--------+
+ * |1000000p| |0xxxxxxx| |0xxxxxxx| |0yyyyyyy| |0yyyyyyy|
+ * +--------+ +--------+ +--------+ +--------+ +--------+
+ * MSB LSB MSB LSB
+ *
+ * The value of p is 1 as long as the screen is touched and 0 when
+ * reporting the location where touching stopped, e.g. where the pen was
+ * lifted from the screen.
+ *
+ * When holding the screen in landscape mode as the BIOS text output is
+ * presented, x is the horizontal axis with values growing from left to
+ * right and y is the vertical axis with values growing from top to
+ * bottom.
+ *
+ * When holding the screen in portrait mode with the Sahara logo in its
+ * correct position, x ist the vertical axis with values growing from
+ * top to bottom and y is the horizontal axis with values growing from
+ * right to left.
+ */
+
+#define T213_FORMAT_TOUCH_BIT 0x01
+#define T213_FORMAT_STATUS_BYTE 0x80
+#define T213_FORMAT_STATUS_MASK ~T213_FORMAT_TOUCH_BIT
+
+/*
+ * On my Sahara Touch-IT 213 I have observed x values from 0 to 0x7f0
+ * and y values from 0x1d to 0x7e9, so the actual measurement is
+ * probably done with an 11 bit precision.
+ */
+#define T213_MIN_XC 0
+#define T213_MAX_XC 0x07ff
+#define T213_MIN_YC 0
+#define T213_MAX_YC 0x07ff
+
+/*
+ * Per-touchscreen data.
+ */
+
+struct touchit213 {
+ struct input_dev *dev;
+ struct serio *serio;
+ int idx;
+ unsigned char csum;
+ unsigned char data[5];
+ char phys[32];
+};
+
+static irqreturn_t touchit213_interrupt(struct serio *serio,
+ unsigned char data, unsigned int flags)
+{
+ struct touchit213 *touchit213 = serio_get_drvdata(serio);
+ struct input_dev *dev = touchit213->dev;
+
+ touchit213->data[touchit213->idx] = data;
+
+ switch (touchit213->idx++) {
+ case 0:
+ if ((touchit213->data[0] & T213_FORMAT_STATUS_MASK) !=
+ T213_FORMAT_STATUS_BYTE) {
+ pr_debug("unsynchronized data: 0x%02x\n", data);
+ touchit213->idx = 0;
+ }
+ break;
+
+ case 4:
+ touchit213->idx = 0;
+ input_report_abs(dev, ABS_X,
+ (touchit213->data[1] << 7) | touchit213->data[2]);
+ input_report_abs(dev, ABS_Y,
+ (touchit213->data[3] << 7) | touchit213->data[4]);
+ input_report_key(dev, BTN_TOUCH,
+ touchit213->data[0] & T213_FORMAT_TOUCH_BIT);
+ input_sync(dev);
+ break;
+ }
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * touchit213_disconnect() is the opposite of touchit213_connect()
+ */
+
+static void touchit213_disconnect(struct serio *serio)
+{
+ struct touchit213 *touchit213 = serio_get_drvdata(serio);
+
+ input_get_device(touchit213->dev);
+ input_unregister_device(touchit213->dev);
+ serio_close(serio);
+ serio_set_drvdata(serio, NULL);
+ input_put_device(touchit213->dev);
+ kfree(touchit213);
+}
+
+/*
+ * touchit213_connect() is the routine that is called when someone adds a
+ * new serio device that supports the Touchright protocol and registers it as
+ * an input device.
+ */
+
+static int touchit213_connect(struct serio *serio, struct serio_driver *drv)
+{
+ struct touchit213 *touchit213;
+ struct input_dev *input_dev;
+ int err;
+
+ touchit213 = kzalloc(sizeof(struct touchit213), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!touchit213 || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
+
+ touchit213->serio = serio;
+ touchit213->dev = input_dev;
+ snprintf(touchit213->phys, sizeof(touchit213->phys),
+ "%s/input0", serio->phys);
+
+ input_dev->name = "Sahara Touch-iT213 Serial TouchScreen";
+ input_dev->phys = touchit213->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_TOUCHIT213;
+ input_dev->id.product = 0;
+ input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &serio->dev;
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+ input_set_abs_params(touchit213->dev, ABS_X,
+ T213_MIN_XC, T213_MAX_XC, 0, 0);
+ input_set_abs_params(touchit213->dev, ABS_Y,
+ T213_MIN_YC, T213_MAX_YC, 0, 0);
+
+ serio_set_drvdata(serio, touchit213);
+
+ err = serio_open(serio, drv);
+ if (err)
+ goto fail2;
+
+ err = input_register_device(touchit213->dev);
+ if (err)
+ goto fail3;
+
+ return 0;
+
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(input_dev);
+ kfree(touchit213);
+ return err;
+}
+
+/*
+ * The serio driver structure.
+ */
+
+static struct serio_device_id touchit213_serio_ids[] = {
+ {
+ .type = SERIO_RS232,
+ .proto = SERIO_TOUCHIT213,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, touchit213_serio_ids);
+
+static struct serio_driver touchit213_drv = {
+ .driver = {
+ .name = "touchit213",
+ },
+ .description = DRIVER_DESC,
+ .id_table = touchit213_serio_ids,
+ .interrupt = touchit213_interrupt,
+ .connect = touchit213_connect,
+ .disconnect = touchit213_disconnect,
+};
+
+/*
+ * The functions for inserting/removing us as a module.
+ */
+
+static int __init touchit213_init(void)
+{
+ return serio_register_driver(&touchit213_drv);
+}
+
+static void __exit touchit213_exit(void)
+{
+ serio_unregister_driver(&touchit213_drv);
+}
+
+module_init(touchit213_init);
+module_exit(touchit213_exit);
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 3a0a8ca..fdd645c 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -49,6 +49,7 @@
#include <linux/init.h>
#include <linux/usb.h>
#include <linux/usb/input.h>
+#include <linux/hid.h>
#define DRIVER_VERSION "v0.6"
@@ -101,7 +102,7 @@ struct usbtouch_usb {
/* device types */
enum {
- DEVTPYE_DUMMY = -1,
+ DEVTYPE_IGNORE = -1,
DEVTYPE_EGALAX,
DEVTYPE_PANJIT,
DEVTYPE_3M,
@@ -115,8 +116,21 @@ enum {
DEVTYPE_GOTOP,
};
+#define USB_DEVICE_HID_CLASS(vend, prod) \
+ .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS \
+ | USB_DEVICE_ID_MATCH_DEVICE, \
+ .idVendor = (vend), \
+ .idProduct = (prod), \
+ .bInterfaceClass = USB_INTERFACE_CLASS_HID, \
+ .bInterfaceProtocol = USB_INTERFACE_PROTOCOL_MOUSE
+
static struct usb_device_id usbtouch_devices[] = {
#ifdef CONFIG_TOUCHSCREEN_USB_EGALAX
+ /* ignore the HID capable devices, handled by usbhid */
+ {USB_DEVICE_HID_CLASS(0x0eef, 0x0001), .driver_info = DEVTYPE_IGNORE},
+ {USB_DEVICE_HID_CLASS(0x0eef, 0x0002), .driver_info = DEVTYPE_IGNORE},
+
+ /* normal device IDs */
{USB_DEVICE(0x3823, 0x0001), .driver_info = DEVTYPE_EGALAX},
{USB_DEVICE(0x3823, 0x0002), .driver_info = DEVTYPE_EGALAX},
{USB_DEVICE(0x0123, 0x0001), .driver_info = DEVTYPE_EGALAX},
@@ -262,7 +276,7 @@ static int mtouch_init(struct usbtouch_usb *usbtouch)
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
dbg("%s - usb_control_msg - MTOUCHUSB_RESET - bytes|err: %d",
- __FUNCTION__, ret);
+ __func__, ret);
if (ret < 0)
return ret;
msleep(150);
@@ -273,7 +287,7 @@ static int mtouch_init(struct usbtouch_usb *usbtouch)
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1, 1, NULL, 0, USB_CTRL_SET_TIMEOUT);
dbg("%s - usb_control_msg - MTOUCHUSB_ASYNC_REPORT - bytes|err: %d",
- __FUNCTION__, ret);
+ __func__, ret);
if (ret >= 0)
break;
if (ret != -EPIPE)
@@ -793,18 +807,18 @@ static void usbtouch_irq(struct urb *urb)
case -ETIME:
/* this urb is timing out */
dbg("%s - urb timed out - was the device unplugged?",
- __FUNCTION__);
+ __func__);
return;
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d",
- __FUNCTION__, urb->status);
+ __func__, urb->status);
return;
default:
dbg("%s - nonzero urb status received: %d",
- __FUNCTION__, urb->status);
+ __func__, urb->status);
goto exit;
}
@@ -814,7 +828,7 @@ exit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
err("%s - usb_submit_urb failed with result: %d",
- __FUNCTION__, retval);
+ __func__, retval);
}
static int usbtouch_open(struct input_dev *input)
@@ -857,6 +871,10 @@ static int usbtouch_probe(struct usb_interface *intf,
struct usbtouch_device_info *type;
int err = -ENOMEM;
+ /* some devices are ignored */
+ if (id->driver_info == DEVTYPE_IGNORE)
+ return -ENODEV;
+
interface = intf->cur_altsetting;
endpoint = &interface->endpoint[0].desc;
@@ -883,7 +901,7 @@ static int usbtouch_probe(struct usb_interface *intf,
usbtouch->irq = usb_alloc_urb(0, GFP_KERNEL);
if (!usbtouch->irq) {
- dbg("%s - usb_alloc_urb failed: usbtouch->irq", __FUNCTION__);
+ dbg("%s - usb_alloc_urb failed: usbtouch->irq", __func__);
goto out_free_buffers;
}
@@ -939,14 +957,14 @@ static int usbtouch_probe(struct usb_interface *intf,
if (type->init) {
err = type->init(usbtouch);
if (err) {
- dbg("%s - type->init() failed, err: %d", __FUNCTION__, err);
+ dbg("%s - type->init() failed, err: %d", __func__, err);
goto out_free_buffers;
}
}
err = input_register_device(usbtouch->input);
if (err) {
- dbg("%s - input_register_device failed, err: %d", __FUNCTION__, err);
+ dbg("%s - input_register_device failed, err: %d", __func__, err);
goto out_free_buffers;
}
@@ -966,12 +984,12 @@ static void usbtouch_disconnect(struct usb_interface *intf)
{
struct usbtouch_usb *usbtouch = usb_get_intfdata(intf);
- dbg("%s - called", __FUNCTION__);
+ dbg("%s - called", __func__);
if (!usbtouch)
return;
- dbg("%s - usbtouch is initialized, cleaning up", __FUNCTION__);
+ dbg("%s - usbtouch is initialized, cleaning up", __func__);
usb_set_intfdata(intf, NULL);
usb_kill_urb(usbtouch->irq);
input_unregister_device(usbtouch->input);
diff --git a/drivers/input/touchscreen/wm9712.c b/drivers/input/touchscreen/wm9712.c
index 0b6e4cf..4c5d85a 100644
--- a/drivers/input/touchscreen/wm9712.c
+++ b/drivers/input/touchscreen/wm9712.c
@@ -168,6 +168,18 @@ static void wm9712_phy_init(struct wm97xx *wm)
64000 / rpu);
}
+ /* WM9712 five wire */
+ if (five_wire) {
+ dig2 |= WM9712_45W;
+ dev_dbg(wm->dev, "setting 5-wire touchscreen mode.");
+
+ if (pil) {
+ dev_warn(wm->dev, "pressure measurement is not "
+ "supported in 5-wire mode\n");
+ pil = 0;
+ }
+ }
+
/* touchpanel pressure current*/
if (pil == 2) {
dig2 |= WM9712_PIL;
@@ -179,12 +191,6 @@ static void wm9712_phy_init(struct wm97xx *wm)
if (!pil)
pressure = 0;
- /* WM9712 five wire */
- if (five_wire) {
- dig2 |= WM9712_45W;
- dev_dbg(wm->dev, "setting 5-wire touchscreen mode.");
- }
-
/* polling mode sample settling delay */
if (delay < 0 || delay > 15) {
dev_dbg(wm->dev, "supplied delay out of range.");