[mirror_ubuntu-jammy-kernel.git] / drivers / input / touchscreen / cy8ctmg110_ts.c

/*
 * Driver for cypress touch screen controller
 *
 * Copyright (c) 2009 Aava Mobile
 *
 * Some cleanups by Alan Cox <alan@linux.intel.com>
 *
 * 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.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/input/cy8ctmg110_pdata.h>

#define CY8CTMG110_DRIVER_NAME      "cy8ctmg110"

/* Touch coordinates */
#define CY8CTMG110_X_MIN		0
#define CY8CTMG110_Y_MIN		0
#define CY8CTMG110_X_MAX		759
#define CY8CTMG110_Y_MAX		465


/* cy8ctmg110 register definitions */
#define CY8CTMG110_TOUCH_WAKEUP_TIME	0
#define CY8CTMG110_TOUCH_SLEEP_TIME	2
#define CY8CTMG110_TOUCH_X1		3
#define CY8CTMG110_TOUCH_Y1		5
#define CY8CTMG110_TOUCH_X2		7
#define CY8CTMG110_TOUCH_Y2		9
#define CY8CTMG110_FINGERS		11
#define CY8CTMG110_GESTURE		12
#define CY8CTMG110_REG_MAX		13


/*
 * The touch driver structure.
 */
struct cy8ctmg110 {
	struct input_dev *input;
	char phys[32];
	struct i2c_client *client;
	int reset_pin;
	int irq_pin;
};

/*
 * cy8ctmg110_power is the routine that is called when touch hardware
 * will powered off or on.
 */
static void cy8ctmg110_power(struct cy8ctmg110 *ts, bool poweron)
{
	if (ts->reset_pin)
		gpio_direction_output(ts->reset_pin, 1 - poweron);
}

static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg,
		unsigned char len, unsigned char *value)
{
	struct i2c_client *client = tsc->client;
	int ret;
	unsigned char i2c_data[6];

	BUG_ON(len > 5);

	i2c_data[0] = reg;
	memcpy(i2c_data + 1, value, len);

	ret = i2c_master_send(client, i2c_data, len + 1);
	if (ret != len + 1) {
		dev_err(&client->dev, "i2c write data cmd failed\n");
		return ret < 0 ? ret : -EIO;
	}

	return 0;
}

static int cy8ctmg110_read_regs(struct cy8ctmg110 *tsc,
		unsigned char *data, unsigned char len, unsigned char cmd)
{
	struct i2c_client *client = tsc->client;
	int ret;
	struct i2c_msg msg[2] = {
		/* first write slave position to i2c devices */
		{
			.addr = client->addr,
			.len = 1,
			.buf = &cmd
		},
		/* Second read data from position */
		{
			.addr = client->addr,
			.flags = I2C_M_RD,
			.len = len,
			.buf = data
		}
	};

	ret = i2c_transfer(client->adapter, msg, 2);
	if (ret < 0)
		return ret;

	return 0;
}

static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc)
{
	struct input_dev *input = tsc->input;
	unsigned char reg_p[CY8CTMG110_REG_MAX];
	int x, y;

	memset(reg_p, 0, CY8CTMG110_REG_MAX);

	/* Reading coordinates */
	if (cy8ctmg110_read_regs(tsc, reg_p, 9, CY8CTMG110_TOUCH_X1) != 0)
		return -EIO;

	y = reg_p[2] << 8 | reg_p[3];
	x = reg_p[0] << 8 | reg_p[1];

	/* Number of touch */
	if (reg_p[8] == 0) {
		input_report_key(input, BTN_TOUCH, 0);
	} else  {
		input_report_key(input, BTN_TOUCH, 1);
		input_report_abs(input, ABS_X, x);
		input_report_abs(input, ABS_Y, y);
	}

	input_sync(input);

	return 0;
}

static int cy8ctmg110_set_sleepmode(struct cy8ctmg110 *ts, bool sleep)
{
	unsigned char reg_p[3];

	if (sleep) {
		reg_p[0] = 0x00;
		reg_p[1] = 0xff;
		reg_p[2] = 5;
	} else {
		reg_p[0] = 0x10;
		reg_p[1] = 0xff;
		reg_p[2] = 0;
	}

	return cy8ctmg110_write_regs(ts, CY8CTMG110_TOUCH_WAKEUP_TIME, 3, reg_p);
}

static irqreturn_t cy8ctmg110_irq_thread(int irq, void *dev_id)
{
	struct cy8ctmg110 *tsc = dev_id;

	cy8ctmg110_touch_pos(tsc);

	return IRQ_HANDLED;
}

static int __devinit cy8ctmg110_probe(struct i2c_client *client,
					const struct i2c_device_id *id)
{
	const struct cy8ctmg110_pdata *pdata = client->dev.platform_data;
	struct cy8ctmg110 *ts;
	struct input_dev *input_dev;
	int err;

	/* No pdata no way forward */
	if (pdata == NULL) {
		dev_err(&client->dev, "no pdata\n");
		return -ENODEV;
	}

	if (!i2c_check_functionality(client->adapter,
					I2C_FUNC_SMBUS_READ_WORD_DATA))
		return -EIO;

	ts = kzalloc(sizeof(struct cy8ctmg110), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!ts || !input_dev) {
		err = -ENOMEM;
		goto err_free_mem;
	}

	ts->client = client;
	ts->input = input_dev;
	ts->reset_pin = pdata->reset_pin;
	ts->irq_pin = pdata->irq_pin;

	snprintf(ts->phys, sizeof(ts->phys),
		 "%s/input0", dev_name(&client->dev));

	input_dev->name = CY8CTMG110_DRIVER_NAME " Touchscreen";
	input_dev->phys = ts->phys;
	input_dev->id.bustype = BUS_I2C;
	input_dev->dev.parent = &client->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(input_dev, ABS_X,
			CY8CTMG110_X_MIN, CY8CTMG110_X_MAX, 4, 0);
	input_set_abs_params(input_dev, ABS_Y,
			CY8CTMG110_Y_MIN, CY8CTMG110_Y_MAX, 4, 0);

	if (ts->reset_pin) {
		err = gpio_request(ts->reset_pin, NULL);
		if (err) {
			dev_err(&client->dev,
				"Unable to request GPIO pin %d.\n",
				ts->reset_pin);
			goto err_free_mem;
		}
	}

	cy8ctmg110_power(ts, true);
	cy8ctmg110_set_sleepmode(ts, false);

	err = gpio_request(ts->irq_pin, "touch_irq_key");
	if (err < 0) {
		dev_err(&client->dev,
			"Failed to request GPIO %d, error %d\n",
			ts->irq_pin, err);
		goto err_shutoff_device;
	}

	err = gpio_direction_input(ts->irq_pin);
	if (err < 0) {
		dev_err(&client->dev,
			"Failed to configure input direction for GPIO %d, error %d\n",
			ts->irq_pin, err);
		goto err_free_irq_gpio;
	}

	client->irq = gpio_to_irq(ts->irq_pin);
	if (client->irq < 0) {
		err = client->irq;
		dev_err(&client->dev,
			"Unable to get irq number for GPIO %d, error %d\n",
			ts->irq_pin, err);
		goto err_free_irq_gpio;
	}

	err = request_threaded_irq(client->irq, NULL, cy8ctmg110_irq_thread,
				   IRQF_TRIGGER_RISING | IRQF_ONESHOT,
				   "touch_reset_key", ts);
	if (err < 0) {
		dev_err(&client->dev,
			"irq %d busy? error %d\n", client->irq, err);
		goto err_free_irq_gpio;
	}

	err = input_register_device(input_dev);
	if (err)
		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_irq_gpio:
	gpio_free(ts->irq_pin);
err_shutoff_device:
	cy8ctmg110_set_sleepmode(ts, true);
	cy8ctmg110_power(ts, false);
	if (ts->reset_pin)
		gpio_free(ts->reset_pin);
err_free_mem:
	input_free_device(input_dev);
	kfree(ts);
	return err;
}

#ifdef CONFIG_PM
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))
		enable_irq_wake(client->irq);
	else {
		cy8ctmg110_set_sleepmode(ts, true);
		cy8ctmg110_power(ts, false);
	}
	return 0;
}

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))
		disable_irq_wake(client->irq);
	else {
		cy8ctmg110_power(ts, true);
		cy8ctmg110_set_sleepmode(ts, false);
	}
	return 0;
}

static SIMPLE_DEV_PM_OPS(cy8ctmg110_pm, cy8ctmg110_suspend, cy8ctmg110_resume);
#endif

static int __devexit cy8ctmg110_remove(struct i2c_client *client)
{
	struct cy8ctmg110 *ts = i2c_get_clientdata(client);

	cy8ctmg110_set_sleepmode(ts, true);
	cy8ctmg110_power(ts, false);

	free_irq(client->irq, ts);
	input_unregister_device(ts->input);
	gpio_free(ts->irq_pin);
	if (ts->reset_pin)
		gpio_free(ts->reset_pin);
	kfree(ts);

	return 0;
}

static const struct i2c_device_id cy8ctmg110_idtable[] = {
	{ CY8CTMG110_DRIVER_NAME, 1 },
	{ }
};

MODULE_DEVICE_TABLE(i2c, cy8ctmg110_idtable);

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		= cy8ctmg110_remove,
};

module_i2c_driver(cy8ctmg110_driver);

MODULE_AUTHOR("Samuli Konttila <samuli.konttila@aavamobile.com>");
MODULE_DESCRIPTION("cy8ctmg110 TouchScreen Driver");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
60347c19 SK	1	/*
	2	* Driver for cypress touch screen controller
	3	*
	4	* Copyright (c) 2009 Aava Mobile
	5	*
	6	* Some cleanups by Alan Cox <alan@linux.intel.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
	22	#include <linux/module.h>
	23	#include <linux/kernel.h>
	24	#include <linux/input.h>
	25	#include <linux/slab.h>
	26	#include <linux/interrupt.h>
	27	#include <linux/io.h>
	28	#include <linux/i2c.h>
	29	#include <linux/gpio.h>
	30	#include <linux/input/cy8ctmg110_pdata.h>
	31
	32	#define CY8CTMG110_DRIVER_NAME "cy8ctmg110"
	33
	34	/* Touch coordinates */
	35	#define CY8CTMG110_X_MIN 0
	36	#define CY8CTMG110_Y_MIN 0
	37	#define CY8CTMG110_X_MAX 759
	38	#define CY8CTMG110_Y_MAX 465
	39
	40
	41	/* cy8ctmg110 register definitions */
	42	#define CY8CTMG110_TOUCH_WAKEUP_TIME 0
	43	#define CY8CTMG110_TOUCH_SLEEP_TIME 2
	44	#define CY8CTMG110_TOUCH_X1 3
	45	#define CY8CTMG110_TOUCH_Y1 5
	46	#define CY8CTMG110_TOUCH_X2 7
	47	#define CY8CTMG110_TOUCH_Y2 9
	48	#define CY8CTMG110_FINGERS 11
	49	#define CY8CTMG110_GESTURE 12
	50	#define CY8CTMG110_REG_MAX 13
	51
	52
	53	/*
	54	* The touch driver structure.
	55	*/
	56	struct cy8ctmg110 {
	57	struct input_dev *input;
	58	char phys[32];
	59	struct i2c_client *client;
	60	int reset_pin;
	61	int irq_pin;
	62	};
	63
	64	/*
65	* cy8ctmg110_power is the routine that is called when touch hardware
66	* will powered off or on.
67	*/
68	static void cy8ctmg110_power(struct cy8ctmg110 *ts, bool poweron)
69	{
70	if (ts->reset_pin)
71	gpio_direction_output(ts->reset_pin, 1 - poweron);
72	}
73
74	static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg,
75	unsigned char len, unsigned char *value)
76	{
77	struct i2c_client *client = tsc->client;
f1b50760	78	int ret;
60347c19 SK	79	unsigned char i2c_data[6];
	80
	81	BUG_ON(len > 5);
	82
	83	i2c_data[0] = reg;
	84	memcpy(i2c_data + 1, value, len);
	85
	86	ret = i2c_master_send(client, i2c_data, len + 1);
21184c4e	87	if (ret != len + 1) {
60347c19	88	dev_err(&client->dev, "i2c write data cmd failed\n");
21184c4e	89	return ret < 0 ? ret : -EIO;
60347c19 SK	90	}
	91
	92	return 0;
	93	}
	94
	95	static int cy8ctmg110_read_regs(struct cy8ctmg110 *tsc,
	96	unsigned char *data, unsigned char len, unsigned char cmd)
	97	{
	98	struct i2c_client *client = tsc->client;
f1b50760	99	int ret;
60347c19 SK	100	struct i2c_msg msg[2] = {
60347c19 SK	101	/* first write slave position to i2c devices */
9493d974 SD	102	{
	103	.addr = client->addr,
	104	.len = 1,
	105	.buf = &cmd
	106	},
60347c19	107	/* Second read data from position */
9493d974 SD	108	{
	109	.addr = client->addr,
	110	.flags = I2C_M_RD,
	111	.len = len,
	112	.buf = data
	113	}
60347c19 SK	114	};
	115
	116	ret = i2c_transfer(client->adapter, msg, 2);
	117	if (ret < 0)
	118	return ret;
	119
	120	return 0;
	121	}
	122
	123	static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc)
	124	{
	125	struct input_dev *input = tsc->input;
	126	unsigned char reg_p[CY8CTMG110_REG_MAX];
	127	int x, y;
	128
	129	memset(reg_p, 0, CY8CTMG110_REG_MAX);
	130
	131	/* Reading coordinates */
	132	if (cy8ctmg110_read_regs(tsc, reg_p, 9, CY8CTMG110_TOUCH_X1) != 0)
	133	return -EIO;
	134
	135	y = reg_p[2] << 8 \| reg_p[3];
	136	x = reg_p[0] << 8 \| reg_p[1];
	137
	138	/* Number of touch */
	139	if (reg_p[8] == 0) {
	140	input_report_key(input, BTN_TOUCH, 0);
	141	} else {
	142	input_report_key(input, BTN_TOUCH, 1);
	143	input_report_abs(input, ABS_X, x);
	144	input_report_abs(input, ABS_Y, y);
	145	}
	146
	147	input_sync(input);
	148
	149	return 0;
	150	}
	151
	152	static int cy8ctmg110_set_sleepmode(struct cy8ctmg110 *ts, bool sleep)
	153	{
	154	unsigned char reg_p[3];
	155
	156	if (sleep) {
	157	reg_p[0] = 0x00;
	158	reg_p[1] = 0xff;
	159	reg_p[2] = 5;
	160	} else {
	161	reg_p[0] = 0x10;
	162	reg_p[1] = 0xff;
	163	reg_p[2] = 0;
	164	}
	165
	166	return cy8ctmg110_write_regs(ts, CY8CTMG110_TOUCH_WAKEUP_TIME, 3, reg_p);
	167	}
	168
	169	static irqreturn_t cy8ctmg110_irq_thread(int irq, void *dev_id)
	170	{
	171	struct cy8ctmg110 *tsc = dev_id;
	172
	173	cy8ctmg110_touch_pos(tsc);
	174
	175	return IRQ_HANDLED;
	176	}
	177
178	static int __devinit cy8ctmg110_probe(struct i2c_client *client,
179	const struct i2c_device_id *id)
180	{
181	const struct cy8ctmg110_pdata *pdata = client->dev.platform_data;
182	struct cy8ctmg110 *ts;
183	struct input_dev *input_dev;
184	int err;
185
186	/* No pdata no way forward */
187	if (pdata == NULL) {
188	dev_err(&client->dev, "no pdata\n");
189	return -ENODEV;
190	}
191
192	if (!i2c_check_functionality(client->adapter,
193	I2C_FUNC_SMBUS_READ_WORD_DATA))
194	return -EIO;
195
196	ts = kzalloc(sizeof(struct cy8ctmg110), GFP_KERNEL);
197	input_dev = input_allocate_device();
198	if (!ts \|\| !input_dev) {
199	err = -ENOMEM;
200	goto err_free_mem;
201	}
202
203	ts->client = client;
204	ts->input = input_dev;
2c204109 AL	205	ts->reset_pin = pdata->reset_pin;
2c204109 AL	206	ts->irq_pin = pdata->irq_pin;
60347c19 SK	207
	208	snprintf(ts->phys, sizeof(ts->phys),
	209	"%s/input0", dev_name(&client->dev));
	210
	211	input_dev->name = CY8CTMG110_DRIVER_NAME " Touchscreen";
	212	input_dev->phys = ts->phys;
	213	input_dev->id.bustype = BUS_I2C;
	214	input_dev->dev.parent = &client->dev;
	215
	216	input_dev->evbit[0] = BIT_MASK(EV_KEY) \| BIT_MASK(EV_ABS);
	217	input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
	218
	219	input_set_abs_params(input_dev, ABS_X,
a4e6aad6	220	CY8CTMG110_X_MIN, CY8CTMG110_X_MAX, 4, 0);
60347c19	221	input_set_abs_params(input_dev, ABS_Y,
a4e6aad6	222	CY8CTMG110_Y_MIN, CY8CTMG110_Y_MAX, 4, 0);
60347c19 SK	223
	224	if (ts->reset_pin) {
	225	err = gpio_request(ts->reset_pin, NULL);
	226	if (err) {
	227	dev_err(&client->dev,
	228	"Unable to request GPIO pin %d.\n",
	229	ts->reset_pin);
	230	goto err_free_mem;
	231	}
	232	}
	233
	234	cy8ctmg110_power(ts, true);
	235	cy8ctmg110_set_sleepmode(ts, false);
	236
	237	err = gpio_request(ts->irq_pin, "touch_irq_key");
	238	if (err < 0) {
	239	dev_err(&client->dev,
	240	"Failed to request GPIO %d, error %d\n",
	241	ts->irq_pin, err);
	242	goto err_shutoff_device;
	243	}
	244
	245	err = gpio_direction_input(ts->irq_pin);
	246	if (err < 0) {
	247	dev_err(&client->dev,
	248	"Failed to configure input direction for GPIO %d, error %d\n",
	249	ts->irq_pin, err);
	250	goto err_free_irq_gpio;
	251	}
	252
	253	client->irq = gpio_to_irq(ts->irq_pin);
	254	if (client->irq < 0) {
	255	err = client->irq;
	256	dev_err(&client->dev,
	257	"Unable to get irq number for GPIO %d, error %d\n",
	258	ts->irq_pin, err);
	259	goto err_free_irq_gpio;
	260	}
	261
	262	err = request_threaded_irq(client->irq, NULL, cy8ctmg110_irq_thread,
9b7e31bb LPC	263	IRQF_TRIGGER_RISING \| IRQF_ONESHOT,
9b7e31bb LPC	264	"touch_reset_key", ts);
60347c19 SK	265	if (err < 0) {
	266	dev_err(&client->dev,
	267	"irq %d busy? error %d\n", client->irq, err);
	268	goto err_free_irq_gpio;
	269	}
	270
	271	err = input_register_device(input_dev);
	272	if (err)
	273	goto err_free_irq;
	274
	275	i2c_set_clientdata(client, ts);
	276	device_init_wakeup(&client->dev, 1);
	277	return 0;
	278
	279	err_free_irq:
	280	free_irq(client->irq, ts);
	281	err_free_irq_gpio:
	282	gpio_free(ts->irq_pin);
	283	err_shutoff_device:
	284	cy8ctmg110_set_sleepmode(ts, true);
	285	cy8ctmg110_power(ts, false);
	286	if (ts->reset_pin)
	287	gpio_free(ts->reset_pin);
	288	err_free_mem:
	289	input_free_device(input_dev);
	290	kfree(ts);
	291	return err;
	292	}
	293
	294	#ifdef CONFIG_PM
93f38e91	295	static int cy8ctmg110_suspend(struct device *dev)
60347c19	296	{
93f38e91	297	struct i2c_client *client = to_i2c_client(dev);
60347c19 SK	298	struct cy8ctmg110 *ts = i2c_get_clientdata(client);
	299
	300	if (device_may_wakeup(&client->dev))
	301	enable_irq_wake(client->irq);
	302	else {
	303	cy8ctmg110_set_sleepmode(ts, true);
	304	cy8ctmg110_power(ts, false);
	305	}
	306	return 0;
	307	}
	308
93f38e91	309	static int cy8ctmg110_resume(struct device *dev)
60347c19	310	{
93f38e91	311	struct i2c_client *client = to_i2c_client(dev);
60347c19 SK	312	struct cy8ctmg110 *ts = i2c_get_clientdata(client);
	313
	314	if (device_may_wakeup(&client->dev))
	315	disable_irq_wake(client->irq);
	316	else {
	317	cy8ctmg110_power(ts, true);
	318	cy8ctmg110_set_sleepmode(ts, false);
	319	}
	320	return 0;
	321	}
93f38e91 MB	322
93f38e91 MB	323	static SIMPLE_DEV_PM_OPS(cy8ctmg110_pm, cy8ctmg110_suspend, cy8ctmg110_resume);
60347c19 SK	324	#endif
	325
	326	static int __devexit cy8ctmg110_remove(struct i2c_client *client)
	327	{
	328	struct cy8ctmg110 *ts = i2c_get_clientdata(client);
	329
	330	cy8ctmg110_set_sleepmode(ts, true);
	331	cy8ctmg110_power(ts, false);
	332
	333	free_irq(client->irq, ts);
	334	input_unregister_device(ts->input);
	335	gpio_free(ts->irq_pin);
	336	if (ts->reset_pin)
	337	gpio_free(ts->reset_pin);
	338	kfree(ts);
	339
	340	return 0;
	341	}
	342
d448303a	343	static const struct i2c_device_id cy8ctmg110_idtable[] = {
60347c19 SK	344	{ CY8CTMG110_DRIVER_NAME, 1 },
	345	{ }
	346	};
	347
	348	MODULE_DEVICE_TABLE(i2c, cy8ctmg110_idtable);
	349
	350	static struct i2c_driver cy8ctmg110_driver = {
	351	.driver = {
	352	.owner = THIS_MODULE,
	353	.name = CY8CTMG110_DRIVER_NAME,
93f38e91 MB	354	#ifdef CONFIG_PM
	355	.pm = &cy8ctmg110_pm,
	356	#endif
60347c19 SK	357	},
	358	.id_table = cy8ctmg110_idtable,
	359	.probe = cy8ctmg110_probe,
1cb0aa88	360	.remove = cy8ctmg110_remove,
60347c19 SK	361	};
60347c19 SK	362
1b92c1cf	363	module_i2c_driver(cy8ctmg110_driver);
60347c19 SK	364
	365	MODULE_AUTHOR("Samuli Konttila <samuli.konttila@aavamobile.com>");
	366	MODULE_DESCRIPTION("cy8ctmg110 TouchScreen Driver");
	367	MODULE_LICENSE("GPL v2");