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-rw-r--r--drivers/input/touchscreen/Kconfig24
-rw-r--r--drivers/input/touchscreen/Makefile1
-rw-r--r--drivers/input/touchscreen/ad7879-i2c.c17
-rw-r--r--drivers/input/touchscreen/bu21013_ts.c2
-rw-r--r--drivers/input/touchscreen/cy8ctmg110_ts.c15
-rw-r--r--drivers/input/touchscreen/eeti_ts.c16
-rw-r--r--drivers/input/touchscreen/mcs5000_ts.c17
-rw-r--r--drivers/input/touchscreen/migor_ts.c12
-rw-r--r--drivers/input/touchscreen/qt602240_ts.c21
-rw-r--r--drivers/input/touchscreen/st1232.c274
-rw-r--r--drivers/input/touchscreen/wacom_w8001.c247
11 files changed, 539 insertions, 107 deletions
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 06ea8da95c6..0c9f4b158ff 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -610,7 +610,7 @@ config TOUCHSCREEN_USB_ZYTRONIC
config TOUCHSCREEN_USB_ETT_TC45USB
default y
- bool "ET&T USB series TC4UM/TC5UH touchscreen controler support" if EMBEDDED
+ bool "ET&T USB series TC4UM/TC5UH touchscreen controller support" if EMBEDDED
depends on TOUCHSCREEN_USB_COMPOSITE
config TOUCHSCREEN_USB_NEXIO
@@ -659,17 +659,17 @@ config TOUCHSCREEN_PCAP
To compile this driver as a module, choose M here: the
module will be called pcap_ts.
-config TOUCHSCREEN_TPS6507X
- tristate "TPS6507x based touchscreens"
+config TOUCHSCREEN_ST1232
+ tristate "Sitronix ST1232 touchscreen controllers"
depends on I2C
help
- Say Y here if you have a TPS6507x based touchscreen
- controller.
+ Say Y here if you want to support Sitronix ST1232
+ touchscreen controller.
If unsure, say N.
To compile this driver as a module, choose M here: the
- module will be called tps6507x_ts.
+ module will be called st1232_ts.
config TOUCHSCREEN_STMPE
tristate "STMicroelectronics STMPE touchscreens"
@@ -681,4 +681,16 @@ config TOUCHSCREEN_STMPE
To compile this driver as a module, choose M here: the
module will be called stmpe-ts.
+config TOUCHSCREEN_TPS6507X
+ tristate "TPS6507x based touchscreens"
+ depends on I2C
+ help
+ Say Y here if you have a TPS6507x based touchscreen
+ controller.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called tps6507x_ts.
+
endif
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 7cc1b4f4b67..718bcc81495 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_TOUCHSCREEN_PCAP) += pcap_ts.o
obj-$(CONFIG_TOUCHSCREEN_PENMOUNT) += penmount.o
obj-$(CONFIG_TOUCHSCREEN_QT602240) += qt602240_ts.o
obj-$(CONFIG_TOUCHSCREEN_S3C2410) += s3c2410_ts.o
+obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o
obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o
obj-$(CONFIG_TOUCHSCREEN_TNETV107X) += tnetv107x-ts.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o
diff --git a/drivers/input/touchscreen/ad7879-i2c.c b/drivers/input/touchscreen/ad7879-i2c.c
index d82a38ee9a3..4e4e58cec6c 100644
--- a/drivers/input/touchscreen/ad7879-i2c.c
+++ b/drivers/input/touchscreen/ad7879-i2c.c
@@ -10,14 +10,16 @@
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/types.h>
+#include <linux/pm.h>
#include "ad7879.h"
#define AD7879_DEVID 0x79 /* AD7879-1/AD7889-1 */
#ifdef CONFIG_PM
-static int ad7879_i2c_suspend(struct i2c_client *client, pm_message_t message)
+static int ad7879_i2c_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct ad7879 *ts = i2c_get_clientdata(client);
ad7879_suspend(ts);
@@ -25,17 +27,17 @@ static int ad7879_i2c_suspend(struct i2c_client *client, pm_message_t message)
return 0;
}
-static int ad7879_i2c_resume(struct i2c_client *client)
+static int ad7879_i2c_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct ad7879 *ts = i2c_get_clientdata(client);
ad7879_resume(ts);
return 0;
}
-#else
-# define ad7879_i2c_suspend NULL
-# define ad7879_i2c_resume NULL
+
+static SIMPLE_DEV_PM_OPS(ad7879_i2c_pm, ad7879_i2c_suspend, ad7879_i2c_resume);
#endif
/* All registers are word-sized.
@@ -117,11 +119,12 @@ static struct i2c_driver ad7879_i2c_driver = {
.driver = {
.name = "ad7879",
.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &ad7879_i2c_pm,
+#endif
},
.probe = ad7879_i2c_probe,
.remove = __devexit_p(ad7879_i2c_remove),
- .suspend = ad7879_i2c_suspend,
- .resume = ad7879_i2c_resume,
.id_table = ad7879_id,
};
diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c
index 2ca9e5d6646..f7fa9ef4cd6 100644
--- a/drivers/input/touchscreen/bu21013_ts.c
+++ b/drivers/input/touchscreen/bu21013_ts.c
@@ -365,7 +365,7 @@ static int bu21013_init_chip(struct bu21013_ts_data *data)
}
retval = i2c_smbus_write_byte_data(i2c, BU21013_TH_OFF_REG,
- BU21013_TH_OFF_4 || BU21013_TH_OFF_3);
+ BU21013_TH_OFF_4 | BU21013_TH_OFF_3);
if (retval < 0) {
dev_err(&i2c->dev, "BU21013_TH_OFF reg write failed\n");
return retval;
diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c
index d0c3a7229ad..a93c5c26ab3 100644
--- a/drivers/input/touchscreen/cy8ctmg110_ts.c
+++ b/drivers/input/touchscreen/cy8ctmg110_ts.c
@@ -280,8 +280,9 @@ err_free_mem:
}
#ifdef CONFIG_PM
-static int cy8ctmg110_suspend(struct i2c_client *client, pm_message_t mesg)
+static int cy8ctmg110_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct cy8ctmg110 *ts = i2c_get_clientdata(client);
if (device_may_wakeup(&client->dev))
@@ -293,8 +294,9 @@ static int cy8ctmg110_suspend(struct i2c_client *client, pm_message_t mesg)
return 0;
}
-static int cy8ctmg110_resume(struct i2c_client *client)
+static int cy8ctmg110_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct cy8ctmg110 *ts = i2c_get_clientdata(client);
if (device_may_wakeup(&client->dev))
@@ -305,6 +307,8 @@ static int cy8ctmg110_resume(struct i2c_client *client)
}
return 0;
}
+
+static SIMPLE_DEV_PM_OPS(cy8ctmg110_pm, cy8ctmg110_suspend, cy8ctmg110_resume);
#endif
static int __devexit cy8ctmg110_remove(struct i2c_client *client)
@@ -335,14 +339,13 @@ static struct i2c_driver cy8ctmg110_driver = {
.driver = {
.owner = THIS_MODULE,
.name = CY8CTMG110_DRIVER_NAME,
+#ifdef CONFIG_PM
+ .pm = &cy8ctmg110_pm,
+#endif
},
.id_table = cy8ctmg110_idtable,
.probe = cy8ctmg110_probe,
.remove = __devexit_p(cy8ctmg110_remove),
-#ifdef CONFIG_PM
- .suspend = cy8ctmg110_suspend,
- .resume = cy8ctmg110_resume,
-#endif
};
static int __init cy8ctmg110_init(void)
diff --git a/drivers/input/touchscreen/eeti_ts.c b/drivers/input/touchscreen/eeti_ts.c
index 7a3a916f84a..7f8f538a980 100644
--- a/drivers/input/touchscreen/eeti_ts.c
+++ b/drivers/input/touchscreen/eeti_ts.c
@@ -261,8 +261,9 @@ static int __devexit eeti_ts_remove(struct i2c_client *client)
}
#ifdef CONFIG_PM
-static int eeti_ts_suspend(struct i2c_client *client, pm_message_t mesg)
+static int eeti_ts_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct eeti_ts_priv *priv = i2c_get_clientdata(client);
struct input_dev *input_dev = priv->input;
@@ -279,8 +280,9 @@ static int eeti_ts_suspend(struct i2c_client *client, pm_message_t mesg)
return 0;
}
-static int eeti_ts_resume(struct i2c_client *client)
+static int eeti_ts_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct eeti_ts_priv *priv = i2c_get_clientdata(client);
struct input_dev *input_dev = priv->input;
@@ -296,9 +298,8 @@ static int eeti_ts_resume(struct i2c_client *client)
return 0;
}
-#else
-#define eeti_ts_suspend NULL
-#define eeti_ts_resume NULL
+
+static SIMPLE_DEV_PM_OPS(eeti_ts_pm, eeti_ts_suspend, eeti_ts_resume);
#endif
static const struct i2c_device_id eeti_ts_id[] = {
@@ -310,11 +311,12 @@ MODULE_DEVICE_TABLE(i2c, eeti_ts_id);
static struct i2c_driver eeti_ts_driver = {
.driver = {
.name = "eeti_ts",
+#ifdef CONFIG_PM
+ .pm = &eeti_ts_pm,
+#endif
},
.probe = eeti_ts_probe,
.remove = __devexit_p(eeti_ts_remove),
- .suspend = eeti_ts_suspend,
- .resume = eeti_ts_resume,
.id_table = eeti_ts_id,
};
diff --git a/drivers/input/touchscreen/mcs5000_ts.c b/drivers/input/touchscreen/mcs5000_ts.c
index 6ee9940aaf5..2d84c80ceb6 100644
--- a/drivers/input/touchscreen/mcs5000_ts.c
+++ b/drivers/input/touchscreen/mcs5000_ts.c
@@ -261,25 +261,27 @@ static int __devexit mcs5000_ts_remove(struct i2c_client *client)
}
#ifdef CONFIG_PM
-static int mcs5000_ts_suspend(struct i2c_client *client, pm_message_t mesg)
+static int mcs5000_ts_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
+
/* Touch sleep mode */
i2c_smbus_write_byte_data(client, MCS5000_TS_OP_MODE, OP_MODE_SLEEP);
return 0;
}
-static int mcs5000_ts_resume(struct i2c_client *client)
+static int mcs5000_ts_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct mcs5000_ts_data *data = i2c_get_clientdata(client);
mcs5000_ts_phys_init(data);
return 0;
}
-#else
-#define mcs5000_ts_suspend NULL
-#define mcs5000_ts_resume NULL
+
+static SIMPLE_DEV_PM_OPS(mcs5000_ts_pm, mcs5000_ts_suspend, mcs5000_ts_resume);
#endif
static const struct i2c_device_id mcs5000_ts_id[] = {
@@ -291,10 +293,11 @@ MODULE_DEVICE_TABLE(i2c, mcs5000_ts_id);
static struct i2c_driver mcs5000_ts_driver = {
.probe = mcs5000_ts_probe,
.remove = __devexit_p(mcs5000_ts_remove),
- .suspend = mcs5000_ts_suspend,
- .resume = mcs5000_ts_resume,
.driver = {
.name = "mcs5000_ts",
+#ifdef CONFIG_PM
+ .pm = &mcs5000_ts_pm,
+#endif
},
.id_table = mcs5000_ts_id,
};
diff --git a/drivers/input/touchscreen/migor_ts.c b/drivers/input/touchscreen/migor_ts.c
index defe5dd3627..5803bd0c1cc 100644
--- a/drivers/input/touchscreen/migor_ts.c
+++ b/drivers/input/touchscreen/migor_ts.c
@@ -23,6 +23,7 @@
#include <linux/kernel.h>
#include <linux/input.h>
#include <linux/interrupt.h>
+#include <linux/pm.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <linux/i2c.h>
@@ -226,8 +227,9 @@ static int migor_ts_remove(struct i2c_client *client)
return 0;
}
-static int migor_ts_suspend(struct i2c_client *client, pm_message_t mesg)
+static int migor_ts_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct migor_ts_priv *priv = dev_get_drvdata(&client->dev);
if (device_may_wakeup(&client->dev))
@@ -236,8 +238,9 @@ static int migor_ts_suspend(struct i2c_client *client, pm_message_t mesg)
return 0;
}
-static int migor_ts_resume(struct i2c_client *client)
+static int migor_ts_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct migor_ts_priv *priv = dev_get_drvdata(&client->dev);
if (device_may_wakeup(&client->dev))
@@ -246,6 +249,8 @@ static int migor_ts_resume(struct i2c_client *client)
return 0;
}
+static SIMPLE_DEV_PM_OPS(migor_ts_pm, migor_ts_suspend, migor_ts_resume);
+
static const struct i2c_device_id migor_ts_id[] = {
{ "migor_ts", 0 },
{ }
@@ -255,11 +260,10 @@ MODULE_DEVICE_TABLE(i2c, migor_ts);
static struct i2c_driver migor_ts_driver = {
.driver = {
.name = "migor_ts",
+ .pm = &migor_ts_pm,
},
.probe = migor_ts_probe,
.remove = migor_ts_remove,
- .suspend = migor_ts_suspend,
- .resume = migor_ts_resume,
.id_table = migor_ts_id,
};
diff --git a/drivers/input/touchscreen/qt602240_ts.c b/drivers/input/touchscreen/qt602240_ts.c
index 66b26ad3032..4dcb0e872f6 100644
--- a/drivers/input/touchscreen/qt602240_ts.c
+++ b/drivers/input/touchscreen/qt602240_ts.c
@@ -969,7 +969,7 @@ static int qt602240_initialize(struct qt602240_data *data)
return error;
data->object_table = kcalloc(info->object_num,
- sizeof(struct qt602240_data),
+ sizeof(struct qt602240_object),
GFP_KERNEL);
if (!data->object_table) {
dev_err(&client->dev, "Failed to allocate memory\n");
@@ -1324,8 +1324,9 @@ static int __devexit qt602240_remove(struct i2c_client *client)
}
#ifdef CONFIG_PM
-static int qt602240_suspend(struct i2c_client *client, pm_message_t mesg)
+static int qt602240_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct qt602240_data *data = i2c_get_clientdata(client);
struct input_dev *input_dev = data->input_dev;
@@ -1339,8 +1340,9 @@ static int qt602240_suspend(struct i2c_client *client, pm_message_t mesg)
return 0;
}
-static int qt602240_resume(struct i2c_client *client)
+static int qt602240_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct qt602240_data *data = i2c_get_clientdata(client);
struct input_dev *input_dev = data->input_dev;
@@ -1359,9 +1361,11 @@ static int qt602240_resume(struct i2c_client *client)
return 0;
}
-#else
-#define qt602240_suspend NULL
-#define qt602240_resume NULL
+
+static const struct dev_pm_ops qt602240_pm_ops = {
+ .suspend = qt602240_suspend,
+ .resume = qt602240_resume,
+};
#endif
static const struct i2c_device_id qt602240_id[] = {
@@ -1374,11 +1378,12 @@ static struct i2c_driver qt602240_driver = {
.driver = {
.name = "qt602240_ts",
.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &qt602240_pm_ops,
+#endif
},
.probe = qt602240_probe,
.remove = __devexit_p(qt602240_remove),
- .suspend = qt602240_suspend,
- .resume = qt602240_resume,
.id_table = qt602240_id,
};
diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c
new file mode 100644
index 00000000000..4ab371358b3
--- /dev/null
+++ b/drivers/input/touchscreen/st1232.c
@@ -0,0 +1,274 @@
+/*
+ * ST1232 Touchscreen Controller Driver
+ *
+ * Copyright (C) 2010 Renesas Solutions Corp.
+ * Tony SIM <chinyeow.sim.xt@renesas.com>
+ *
+ * Using code from:
+ * - android.git.kernel.org: projects/kernel/common.git: synaptics_i2c_rmi.c
+ * Copyright (C) 2007 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program 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.
+ */
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#define ST1232_TS_NAME "st1232-ts"
+
+#define MIN_X 0x00
+#define MIN_Y 0x00
+#define MAX_X 0x31f /* (800 - 1) */
+#define MAX_Y 0x1df /* (480 - 1) */
+#define MAX_AREA 0xff
+#define MAX_FINGERS 2
+
+struct st1232_ts_finger {
+ u16 x;
+ u16 y;
+ u8 t;
+ bool is_valid;
+};
+
+struct st1232_ts_data {
+ struct i2c_client *client;
+ struct input_dev *input_dev;
+ struct st1232_ts_finger finger[MAX_FINGERS];
+};
+
+static int st1232_ts_read_data(struct st1232_ts_data *ts)
+{
+ struct st1232_ts_finger *finger = ts->finger;
+ struct i2c_client *client = ts->client;
+ struct i2c_msg msg[2];
+ int error;
+ u8 start_reg;
+ u8 buf[10];
+
+ /* read touchscreen data from ST1232 */
+ msg[0].addr = client->addr;
+ msg[0].flags = 0;
+ msg[0].len = 1;
+ msg[0].buf = &start_reg;
+ start_reg = 0x10;
+
+ msg[1].addr = ts->client->addr;
+ msg[1].flags = I2C_M_RD;
+ msg[1].len = sizeof(buf);
+ msg[1].buf = buf;
+
+ error = i2c_transfer(client->adapter, msg, 2);
+ if (error < 0)
+ return error;
+
+ /* get "valid" bits */
+ finger[0].is_valid = buf[2] >> 7;
+ finger[1].is_valid = buf[5] >> 7;
+
+ /* get xy coordinate */
+ if (finger[0].is_valid) {
+ finger[0].x = ((buf[2] & 0x0070) << 4) | buf[3];
+ finger[0].y = ((buf[2] & 0x0007) << 8) | buf[4];
+ finger[0].t = buf[8];
+ }
+
+ if (finger[1].is_valid) {
+ finger[1].x = ((buf[5] & 0x0070) << 4) | buf[6];
+ finger[1].y = ((buf[5] & 0x0007) << 8) | buf[7];
+ finger[1].t = buf[9];
+ }
+
+ return 0;
+}
+
+static irqreturn_t st1232_ts_irq_handler(int irq, void *dev_id)
+{
+ struct st1232_ts_data *ts = dev_id;
+ struct st1232_ts_finger *finger = ts->finger;
+ struct input_dev *input_dev = ts->input_dev;
+ int count = 0;
+ int i, ret;
+
+ ret = st1232_ts_read_data(ts);
+ if (ret < 0)
+ goto end;
+
+ /* multi touch protocol */
+ for (i = 0; i < MAX_FINGERS; i++) {
+ if (!finger[i].is_valid)
+ continue;
+
+ input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, finger[i].t);
+ input_report_abs(input_dev, ABS_MT_POSITION_X, finger[i].x);
+ input_report_abs(input_dev, ABS_MT_POSITION_Y, finger[i].y);
+ input_mt_sync(input_dev);
+ count++;
+ }
+
+ /* SYN_MT_REPORT only if no contact */
+ if (!count)
+ input_mt_sync(input_dev);
+
+ /* SYN_REPORT */
+ input_sync(input_dev);
+
+end:
+ return IRQ_HANDLED;
+}
+
+static int __devinit st1232_ts_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct st1232_ts_data *ts;
+ struct input_dev *input_dev;
+ int error;
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+ dev_err(&client->dev, "need I2C_FUNC_I2C\n");
+ return -EIO;
+ }
+
+ if (!client->irq) {
+ dev_err(&client->dev, "no IRQ?\n");
+ return -EINVAL;
+ }
+
+
+ ts = kzalloc(sizeof(struct st1232_ts_data), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!ts || !input_dev) {
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ ts->client = client;
+ ts->input_dev = input_dev;
+
+ input_dev->name = "st1232-touchscreen";
+ input_dev->id.bustype = BUS_I2C;
+ input_dev->dev.parent = &client->dev;
+
+ __set_bit(EV_SYN, input_dev->evbit);
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(EV_ABS, input_dev->evbit);
+
+ input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, MAX_AREA, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_X, MIN_X, MAX_X, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_Y, MIN_Y, MAX_Y, 0, 0);
+
+ error = request_threaded_irq(client->irq, NULL, st1232_ts_irq_handler,
+ IRQF_ONESHOT, client->name, ts);
+ if (error) {
+ dev_err(&client->dev, "Failed to register interrupt\n");
+ goto err_free_mem;
+ }
+
+ error = input_register_device(ts->input_dev);
+ if (error) {
+ dev_err(&client->dev, "Unable to register %s input device\n",
+ input_dev->name);
+ goto err_free_irq;
+ }
+
+ i2c_set_clientdata(client, ts);
+ device_init_wakeup(&client->dev, 1);
+
+ return 0;
+
+err_free_irq:
+ free_irq(client->irq, ts);
+err_free_mem:
+ input_free_device(input_dev);
+ kfree(ts);
+ return error;
+}
+
+static int __devexit st1232_ts_remove(struct i2c_client *client)
+{
+ struct st1232_ts_data *ts = i2c_get_clientdata(client);
+
+ device_init_wakeup(&client->dev, 0);
+ free_irq(client->irq, ts);
+ input_unregister_device(ts->input_dev);
+ kfree(ts);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int st1232_ts_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (device_may_wakeup(&client->dev))
+ enable_irq_wake(client->irq);
+ else
+ disable_irq(client->irq);
+
+ return 0;
+}
+
+static int st1232_ts_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (device_may_wakeup(&client->dev))
+ disable_irq_wake(client->irq);
+ else
+ enable_irq(client->irq);
+
+ return 0;
+}
+
+static const struct dev_pm_ops st1232_ts_pm_ops = {
+ .suspend = st1232_ts_suspend,
+ .resume = st1232_ts_resume,
+};
+#endif
+
+static const struct i2c_device_id st1232_ts_id[] = {
+ { ST1232_TS_NAME, 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, st1232_ts_id);
+
+static struct i2c_driver st1232_ts_driver = {
+ .probe = st1232_ts_probe,
+ .remove = __devexit_p(st1232_ts_remove),
+ .id_table = st1232_ts_id,
+ .driver = {
+ .name = ST1232_TS_NAME,
+ .owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &st1232_ts_pm_ops,
+#endif
+ },
+};
+
+static int __init st1232_ts_init(void)
+{
+ return i2c_add_driver(&st1232_ts_driver);
+}
+module_init(st1232_ts_init);
+
+static void __exit st1232_ts_exit(void)
+{
+ i2c_del_driver(&st1232_ts_driver);
+}
+module_exit(st1232_ts_exit);
+
+MODULE_AUTHOR("Tony SIM <chinyeow.sim.xt@renesas.com>");
+MODULE_DESCRIPTION("SITRONIX ST1232 Touchscreen Controller Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
index 9ae4c7b16ba..5cb8449c909 100644
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -3,6 +3,7 @@
*
* Copyright (c) 2008 Jaya Kumar
* Copyright (c) 2010 Red Hat, Inc.
+ * Copyright (c) 2010 - 2011 Ping Cheng, Wacom. <pingc@wacom.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
@@ -15,10 +16,11 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/input.h>
+#include <linux/input/mt.h>
#include <linux/serio.h>
#include <linux/init.h>
#include <linux/ctype.h>
+#include <linux/delay.h>
#define DRIVER_DESC "Wacom W8001 serial touchscreen driver"
@@ -37,6 +39,7 @@ MODULE_LICENSE("GPL");
#define W8001_QUERY_PACKET 0x20
+#define W8001_CMD_STOP '0'
#define W8001_CMD_START '1'
#define W8001_CMD_QUERY '*'
#define W8001_CMD_TOUCHQUERY '%'
@@ -48,8 +51,6 @@ MODULE_LICENSE("GPL");
#define W8001_PKTLEN_TPCCTL 11 /* control packet */
#define W8001_PKTLEN_TOUCH2FG 13
-#define MAX_TRACKING_ID 0xFF /* arbitrarily chosen */
-
struct w8001_coord {
u8 rdy;
u8 tsw;
@@ -64,11 +65,11 @@ struct w8001_coord {
/* touch query reply packet */
struct w8001_touch_query {
+ u16 x;
+ u16 y;
u8 panel_res;
u8 capacity_res;
u8 sensor_id;
- u16 x;
- u16 y;
};
/*
@@ -87,10 +88,14 @@ struct w8001 {
char phys[32];
int type;
unsigned int pktlen;
- int trkid[2];
+ u16 max_touch_x;
+ u16 max_touch_y;
+ u16 max_pen_x;
+ u16 max_pen_y;
+ char name[64];
};
-static void parse_data(u8 *data, struct w8001_coord *coord)
+static void parse_pen_data(u8 *data, struct w8001_coord *coord)
{
memset(coord, 0, sizeof(*coord));
@@ -114,30 +119,58 @@ static void parse_data(u8 *data, struct w8001_coord *coord)
coord->tilt_y = data[8] & 0x7F;
}
-static void parse_touch(struct w8001 *w8001)
+static void parse_single_touch(u8 *data, struct w8001_coord *coord)
+{
+ coord->x = (data[1] << 7) | data[2];
+ coord->y = (data[3] << 7) | data[4];
+ coord->tsw = data[0] & 0x01;
+}
+
+static void scale_touch_coordinates(struct w8001 *w8001,
+ unsigned int *x, unsigned int *y)
+{
+ if (w8001->max_pen_x && w8001->max_touch_x)
+ *x = *x * w8001->max_pen_x / w8001->max_touch_x;
+
+ if (w8001->max_pen_y && w8001->max_touch_y)
+ *y = *y * w8001->max_pen_y / w8001->max_touch_y;
+}
+
+static void parse_multi_touch(struct w8001 *w8001)
{
- static int trkid;
struct input_dev *dev = w8001->dev;
unsigned char *data = w8001->data;
+ unsigned int x, y;
int i;
+ int count = 0;
for (i = 0; i < 2; i++) {
- input_mt_slot(dev, i);
+ bool touch = data[0] & (1 << i);
- if (data[0] & (1 << i)) {
- int x = (data[6 * i + 1] << 7) | (data[6 * i + 2]);
- int y = (data[6 * i + 3] << 7) | (data[6 * i + 4]);
+ input_mt_slot(dev, i);
+ input_mt_report_slot_state(dev, MT_TOOL_FINGER, touch);
+ if (touch) {
+ x = (data[6 * i + 1] << 7) | data[6 * i + 2];
+ y = (data[6 * i + 3] << 7) | data[6 * i + 4];
/* data[5,6] and [11,12] is finger capacity */
+ /* scale to pen maximum */
+ scale_touch_coordinates(w8001, &x, &y);
+
input_report_abs(dev, ABS_MT_POSITION_X, x);
input_report_abs(dev, ABS_MT_POSITION_Y, y);
- input_report_abs(dev, ABS_MT_TOOL_TYPE, MT_TOOL_FINGER);
- if (w8001->trkid[i] < 0)
- w8001->trkid[i] = trkid++ & MAX_TRACKING_ID;
- } else {
- w8001->trkid[i] = -1;
+ count++;
}
- input_report_abs(dev, ABS_MT_TRACKING_ID, w8001->trkid[i]);
+ }
+
+ /* emulate single touch events when stylus is out of proximity.
+ * This is to make single touch backward support consistent
+ * across all Wacom single touch devices.
+ */
+ if (w8001->type != BTN_TOOL_PEN &&
+ w8001->type != BTN_TOOL_RUBBER) {
+ w8001->type = count == 1 ? BTN_TOOL_FINGER : KEY_RESERVED;
+ input_mt_report_pointer_emulation(dev, true);
}
input_sync(dev);
@@ -158,6 +191,15 @@ static void parse_touchquery(u8 *data, struct w8001_touch_query *query)
query->y = data[5] << 9;
query->y |= data[6] << 2;
query->y |= (data[2] >> 3) & 0x3;
+
+ /* Early days' single-finger touch models need the following defaults */
+ if (!query->x && !query->y) {
+ query->x = 1024;
+ query->y = 1024;
+ if (query->panel_res)
+ query->x = query->y = (1 << query->panel_res);
+ query->panel_res = 10;
+ }
}
static void report_pen_events(struct w8001 *w8001, struct w8001_coord *coord)
@@ -167,16 +209,15 @@ static void report_pen_events(struct w8001 *w8001, struct w8001_coord *coord)
/*
* We have 1 bit for proximity (rdy) and 3 bits for tip, side,
* side2/eraser. If rdy && f2 are set, this can be either pen + side2,
- * or eraser. assume
+ * or eraser. Assume:
* - if dev is already in proximity and f2 is toggled → pen + side2
* - if dev comes into proximity with f2 set → eraser
* If f2 disappears after assuming eraser, fake proximity out for
* eraser and in for pen.
*/
- if (!w8001->type) {
- w8001->type = coord->f2 ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
- } else if (w8001->type == BTN_TOOL_RUBBER) {
+ switch (w8001->type) {
+ case BTN_TOOL_RUBBER:
if (!coord->f2) {
input_report_abs(dev, ABS_PRESSURE, 0);
input_report_key(dev, BTN_TOUCH, 0);
@@ -186,8 +227,21 @@ static void report_pen_events(struct w8001 *w8001, struct w8001_coord *coord)
input_sync(dev);
w8001->type = BTN_TOOL_PEN;
}
- } else {
+ break;
+
+ case BTN_TOOL_FINGER:
+ input_report_key(dev, BTN_TOUCH, 0);
+ input_report_key(dev, BTN_TOOL_FINGER, 0);
+ input_sync(dev);
+ /* fall through */
+
+ case KEY_RESERVED:
+ w8001->type = coord->f2 ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
+ break;
+
+ default:
input_report_key(dev, BTN_STYLUS2, coord->f2);
+ break;
}
input_report_abs(dev, ABS_X, coord->x);
@@ -199,7 +253,26 @@ static void report_pen_events(struct w8001 *w8001, struct w8001_coord *coord)
input_sync(dev);
if (!coord->rdy)
- w8001->type = 0;
+ w8001->type = KEY_RESERVED;
+}
+
+static void report_single_touch(struct w8001 *w8001, struct w8001_coord *coord)
+{
+ struct input_dev *dev = w8001->dev;
+ unsigned int x = coord->x;
+ unsigned int y = coord->y;
+
+ /* scale to pen maximum */
+ scale_touch_coordinates(w8001, &x, &y);
+
+ input_report_abs(dev, ABS_X, x);
+ input_report_abs(dev, ABS_Y, y);
+ input_report_key(dev, BTN_TOUCH, coord->tsw);
+ input_report_key(dev, BTN_TOOL_FINGER, coord->tsw);
+
+ input_sync(dev);
+
+ w8001->type = coord->tsw ? BTN_TOOL_FINGER : KEY_RESERVED;
}
static irqreturn_t w8001_interrupt(struct serio *serio,
@@ -220,9 +293,18 @@ static irqreturn_t w8001_interrupt(struct serio *serio,
case W8001_PKTLEN_TOUCH93 - 1:
case W8001_PKTLEN_TOUCH9A - 1:
- /* ignore one-finger touch packet. */
- if (w8001->pktlen == w8001->idx)
+ tmp = w8001->data[0] & W8001_TOUCH_BYTE;
+ if (tmp != W8001_TOUCH_BYTE)
+ break;
+
+ if (w8001->pktlen == w8001->idx) {
w8001->idx = 0;
+ if (w8001->type != BTN_TOOL_PEN &&
+ w8001->type != BTN_TOOL_RUBBER) {
+ parse_single_touch(w8001->data, &coord);
+ report_single_touch(w8001, &coord);
+ }
+ }
break;
/* Pen coordinates packet */
@@ -231,18 +313,18 @@ static irqreturn_t w8001_interrupt(struct serio *serio,
if (unlikely(tmp == W8001_TAB_BYTE))
break;
- tmp = (w8001->data[0] & W8001_TOUCH_BYTE);
+ tmp = w8001->data[0] & W8001_TOUCH_BYTE;
if (tmp == W8001_TOUCH_BYTE)
break;
w8001->idx = 0;
- parse_data(w8001->data, &coord);
+ parse_pen_data(w8001->data, &coord);
report_pen_events(w8001, &coord);
break;
/* control packet */
case W8001_PKTLEN_TPCCTL - 1:
- tmp = (w8001->data[0] & W8001_TOUCH_MASK);
+ tmp = w8001->data[0] & W8001_TOUCH_MASK;
if (tmp == W8001_TOUCH_BYTE)
break;
@@ -255,7 +337,7 @@ static irqreturn_t w8001_interrupt(struct serio *serio,
/* 2 finger touch packet */
case W8001_PKTLEN_TOUCH2FG - 1:
w8001->idx = 0;
- parse_touch(w8001);
+ parse_multi_touch(w8001);
break;
}
@@ -285,52 +367,104 @@ static int w8001_setup(struct w8001 *w8001)
{
struct input_dev *dev = w8001->dev;
struct w8001_coord coord;
+ struct w8001_touch_query touch;
int error;
- error = w8001_command(w8001, W8001_CMD_QUERY, true);
+ error = w8001_command(w8001, W8001_CMD_STOP, false);
if (error)
return error;
- parse_data(w8001->response, &coord);
+ msleep(250); /* wait 250ms before querying the device */
- input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0);
- input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0);
- input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0);
- input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0);
- input_set_abs_params(dev, ABS_TILT_Y, 0, coord.tilt_y, 0, 0);
+ dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ strlcat(w8001->name, "Wacom Serial", sizeof(w8001->name));
- error = w8001_command(w8001, W8001_CMD_TOUCHQUERY, true);
+ /* penabled? */
+ error = w8001_command(w8001, W8001_CMD_QUERY, true);
if (!error) {
- struct w8001_touch_query touch;
+ __set_bit(BTN_TOUCH, dev->keybit);
+ __set_bit(BTN_TOOL_PEN, dev->keybit);
+ __set_bit(BTN_TOOL_RUBBER, dev->keybit);
+ __set_bit(BTN_STYLUS, dev->keybit);
+ __set_bit(BTN_STYLUS2, dev->keybit);
+
+ parse_pen_data(w8001->response, &coord);
+ w8001->max_pen_x = coord.x;
+ w8001->max_pen_y = coord.y;
+
+ input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0);
+ input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0);
+ input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0);
+ if (coord.tilt_x && coord.tilt_y) {
+ input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0);
+ input_set_abs_params(dev, ABS_TILT_Y, 0, coord.tilt_y, 0, 0);
+ }
+ w8001->id = 0x90;
+ strlcat(w8001->name, " Penabled", sizeof(w8001->name));
+ }
+
+ /* Touch enabled? */
+ error = w8001_command(w8001, W8001_CMD_TOUCHQUERY, true);
+
+ /*
+ * Some non-touch devices may reply to the touch query. But their
+ * second byte is empty, which indicates touch is not supported.
+ */
+ if (!error && w8001->response[1]) {
+ __set_bit(BTN_TOUCH, dev->keybit);
+ __set_bit(BTN_TOOL_FINGER, dev->keybit);
parse_touchquery(w8001->response, &touch);
+ w8001->max_touch_x = touch.x;
+ w8001->max_touch_y = touch.y;
+
+ /* scale to pen maximum */
+ if (w8001->max_pen_x && w8001->max_pen_y) {
+ touch.x = w8001->max_pen_x;
+ touch.y = w8001->max_pen_y;
+ }
+
+ input_set_abs_params(dev, ABS_X, 0, touch.x, 0, 0);
+ input_set_abs_params(dev, ABS_Y, 0, touch.y, 0, 0);
switch (touch.sensor_id) {
case 0:
case 2:
w8001->pktlen = W8001_PKTLEN_TOUCH93;
+ w8001->id = 0x93;
+ strlcat(w8001->name, " 1FG", sizeof(w8001->name));
break;
+
case 1:
case 3:
case 4:
w8001->pktlen = W8001_PKTLEN_TOUCH9A;
+ strlcat(w8001->name, " 1FG", sizeof(w8001->name));
+ w8001->id = 0x9a;
break;
+
case 5:
w8001->pktlen = W8001_PKTLEN_TOUCH2FG;
- input_mt_create_slots(dev, 2);
- input_set_abs_params(dev, ABS_MT_TRACKING_ID,
- 0, MAX_TRACKING_ID, 0, 0);
+ input_mt_init_slots(dev, 2);
input_set_abs_params(dev, ABS_MT_POSITION_X,
0, touch.x, 0, 0);
input_set_abs_params(dev, ABS_MT_POSITION_Y,
0, touch.y, 0, 0);
input_set_abs_params(dev, ABS_MT_TOOL_TYPE,
- 0, 0, 0, 0);
+ 0, MT_TOOL_MAX, 0, 0);
+
+ strlcat(w8001->name, " 2FG", sizeof(w8001->name));
+ if (w8001->max_pen_x && w8001->max_pen_y)
+ w8001->id = 0xE3;
+ else
+ w8001->id = 0xE2;
break;
}
}
+ strlcat(w8001->name, " Touchscreen", sizeof(w8001->name));
+
return w8001_command(w8001, W8001_CMD_START, false);
}
@@ -370,27 +504,10 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv)
}
w8001->serio = serio;
- w8001->id = serio->id.id;
w8001->dev = input_dev;
- w8001->trkid[0] = w8001->trkid[1] = -1;
init_completion(&w8001->cmd_done);
snprintf(w8001->phys, sizeof(w8001->phys), "%s/input0", serio->phys);
- input_dev->name = "Wacom W8001 Penabled Serial TouchScreen";
- input_dev->phys = w8001->phys;
- input_dev->id.bustype = BUS_RS232;
- input_dev->id.vendor = SERIO_W8001;
- input_dev->id.product = w8001->id;
- 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_dev->keybit[BIT_WORD(BTN_TOOL_PEN)] |= BIT_MASK(BTN_TOOL_PEN);
- input_dev->keybit[BIT_WORD(BTN_TOOL_RUBBER)] |= BIT_MASK(BTN_TOOL_RUBBER);
- input_dev->keybit[BIT_WORD(BTN_STYLUS)] |= BIT_MASK(BTN_STYLUS);
- input_dev->keybit[BIT_WORD(BTN_STYLUS2)] |= BIT_MASK(BTN_STYLUS2);
-
serio_set_drvdata(serio, w8001);
err = serio_open(serio, drv);
if (err)
@@ -400,6 +517,14 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv)
if (err)
goto fail3;
+ input_dev->name = w8001->name;
+ input_dev->phys = w8001->phys;
+ input_dev->id.product = w8001->id;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = 0x056a;
+ input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &serio->dev;
+
err = input_register_device(w8001->dev);
if (err)
goto fail3;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-03 21:04:25 +0000