[deliverable/linux.git] / drivers / input / touchscreen / mcs5000_ts.c

/*
 * mcs5000_ts.c - Touchscreen driver for MELFAS MCS-5000 controller
 *
 * Copyright (C) 2009 Samsung Electronics Co.Ltd
 * Author: Joonyoung Shim <jy0922.shim@samsung.com>
 *
 * Based on wm97xx-core.c
 *
 *  This program 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.
 *
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/i2c/mcs5000_ts.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/irq.h>

/* Registers */
#define MCS5000_TS_STATUS		0x00
#define STATUS_OFFSET			0
#define STATUS_NO			(0 << STATUS_OFFSET)
#define STATUS_INIT			(1 << STATUS_OFFSET)
#define STATUS_SENSING			(2 << STATUS_OFFSET)
#define STATUS_COORD			(3 << STATUS_OFFSET)
#define STATUS_GESTURE			(4 << STATUS_OFFSET)
#define ERROR_OFFSET			4
#define ERROR_NO			(0 << ERROR_OFFSET)
#define ERROR_POWER_ON_RESET		(1 << ERROR_OFFSET)
#define ERROR_INT_RESET			(2 << ERROR_OFFSET)
#define ERROR_EXT_RESET			(3 << ERROR_OFFSET)
#define ERROR_INVALID_REG_ADDRESS	(8 << ERROR_OFFSET)
#define ERROR_INVALID_REG_VALUE		(9 << ERROR_OFFSET)

#define MCS5000_TS_OP_MODE		0x01
#define RESET_OFFSET			0
#define RESET_NO			(0 << RESET_OFFSET)
#define RESET_EXT_SOFT			(1 << RESET_OFFSET)
#define OP_MODE_OFFSET			1
#define OP_MODE_SLEEP			(0 << OP_MODE_OFFSET)
#define OP_MODE_ACTIVE			(1 << OP_MODE_OFFSET)
#define GESTURE_OFFSET			4
#define GESTURE_DISABLE			(0 << GESTURE_OFFSET)
#define GESTURE_ENABLE			(1 << GESTURE_OFFSET)
#define PROXIMITY_OFFSET		5
#define PROXIMITY_DISABLE		(0 << PROXIMITY_OFFSET)
#define PROXIMITY_ENABLE		(1 << PROXIMITY_OFFSET)
#define SCAN_MODE_OFFSET		6
#define SCAN_MODE_INTERRUPT		(0 << SCAN_MODE_OFFSET)
#define SCAN_MODE_POLLING		(1 << SCAN_MODE_OFFSET)
#define REPORT_RATE_OFFSET		7
#define REPORT_RATE_40			(0 << REPORT_RATE_OFFSET)
#define REPORT_RATE_80			(1 << REPORT_RATE_OFFSET)

#define MCS5000_TS_SENS_CTL		0x02
#define MCS5000_TS_FILTER_CTL		0x03
#define PRI_FILTER_OFFSET		0
#define SEC_FILTER_OFFSET		4

#define MCS5000_TS_X_SIZE_UPPER		0x08
#define MCS5000_TS_X_SIZE_LOWER		0x09
#define MCS5000_TS_Y_SIZE_UPPER		0x0A
#define MCS5000_TS_Y_SIZE_LOWER		0x0B

#define MCS5000_TS_INPUT_INFO		0x10
#define INPUT_TYPE_OFFSET		0
#define INPUT_TYPE_NONTOUCH		(0 << INPUT_TYPE_OFFSET)
#define INPUT_TYPE_SINGLE		(1 << INPUT_TYPE_OFFSET)
#define INPUT_TYPE_DUAL			(2 << INPUT_TYPE_OFFSET)
#define INPUT_TYPE_PALM			(3 << INPUT_TYPE_OFFSET)
#define INPUT_TYPE_PROXIMITY		(7 << INPUT_TYPE_OFFSET)
#define GESTURE_CODE_OFFSET		3
#define GESTURE_CODE_NO			(0 << GESTURE_CODE_OFFSET)

#define MCS5000_TS_X_POS_UPPER		0x11
#define MCS5000_TS_X_POS_LOWER		0x12
#define MCS5000_TS_Y_POS_UPPER		0x13
#define MCS5000_TS_Y_POS_LOWER		0x14
#define MCS5000_TS_Z_POS		0x15
#define MCS5000_TS_WIDTH		0x16
#define MCS5000_TS_GESTURE_VAL		0x17
#define MCS5000_TS_MODULE_REV		0x20
#define MCS5000_TS_FIRMWARE_VER		0x21

/* Touchscreen absolute values */
#define MCS5000_MAX_XC			0x3ff
#define MCS5000_MAX_YC			0x3ff

enum mcs5000_ts_read_offset {
	READ_INPUT_INFO,
	READ_X_POS_UPPER,
	READ_X_POS_LOWER,
	READ_Y_POS_UPPER,
	READ_Y_POS_LOWER,
	READ_BLOCK_SIZE,
};

/* Each client has this additional data */
struct mcs5000_ts_data {
	struct i2c_client *client;
	struct input_dev *input_dev;
	const struct mcs5000_ts_platform_data *platform_data;
};

static irqreturn_t mcs5000_ts_interrupt(int irq, void *dev_id)
{
	struct mcs5000_ts_data *data = dev_id;
	struct i2c_client *client = data->client;
	u8 buffer[READ_BLOCK_SIZE];
	int err;
	int x;
	int y;

	err = i2c_smbus_read_i2c_block_data(client, MCS5000_TS_INPUT_INFO,
			READ_BLOCK_SIZE, buffer);
	if (err < 0) {
		dev_err(&client->dev, "%s, err[%d]\n", __func__, err);
		goto out;
	}

	switch (buffer[READ_INPUT_INFO]) {
	case INPUT_TYPE_NONTOUCH:
		input_report_key(data->input_dev, BTN_TOUCH, 0);
		input_sync(data->input_dev);
		break;

	case INPUT_TYPE_SINGLE:
		x = (buffer[READ_X_POS_UPPER] << 8) | buffer[READ_X_POS_LOWER];
		y = (buffer[READ_Y_POS_UPPER] << 8) | buffer[READ_Y_POS_LOWER];

		input_report_key(data->input_dev, BTN_TOUCH, 1);
		input_report_abs(data->input_dev, ABS_X, x);
		input_report_abs(data->input_dev, ABS_Y, y);
		input_sync(data->input_dev);
		break;

	case INPUT_TYPE_DUAL:
		/* TODO */
		break;

	case INPUT_TYPE_PALM:
		/* TODO */
		break;

	case INPUT_TYPE_PROXIMITY:
		/* TODO */
		break;

	default:
		dev_err(&client->dev, "Unknown ts input type %d\n",
				buffer[READ_INPUT_INFO]);
		break;
	}

 out:
	return IRQ_HANDLED;
}

static void mcs5000_ts_phys_init(struct mcs5000_ts_data *data)
{
	const struct mcs5000_ts_platform_data *platform_data =
		data->platform_data;
	struct i2c_client *client = data->client;

	/* Touch reset & sleep mode */
	i2c_smbus_write_byte_data(client, MCS5000_TS_OP_MODE,
			RESET_EXT_SOFT | OP_MODE_SLEEP);

	/* Touch size */
	i2c_smbus_write_byte_data(client, MCS5000_TS_X_SIZE_UPPER,
			platform_data->x_size >> 8);
	i2c_smbus_write_byte_data(client, MCS5000_TS_X_SIZE_LOWER,
			platform_data->x_size & 0xff);
	i2c_smbus_write_byte_data(client, MCS5000_TS_Y_SIZE_UPPER,
			platform_data->y_size >> 8);
	i2c_smbus_write_byte_data(client, MCS5000_TS_Y_SIZE_LOWER,
			platform_data->y_size & 0xff);

	/* Touch active mode & 80 report rate */
	i2c_smbus_write_byte_data(data->client, MCS5000_TS_OP_MODE,
			OP_MODE_ACTIVE | REPORT_RATE_80);
}

static int __devinit mcs5000_ts_probe(struct i2c_client *client,
		const struct i2c_device_id *id)
{
	struct mcs5000_ts_data *data;
	struct input_dev *input_dev;
	int ret;

	if (!client->dev.platform_data)
		return -EINVAL;

	data = kzalloc(sizeof(struct mcs5000_ts_data), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!data || !input_dev) {
		dev_err(&client->dev, "Failed to allocate memory\n");
		ret = -ENOMEM;
		goto err_free_mem;
	}

	data->client = client;
	data->input_dev = input_dev;
	data->platform_data = client->dev.platform_data;

	input_dev->name = "MELPAS MCS-5000 Touchscreen";
	input_dev->id.bustype = BUS_I2C;
	input_dev->dev.parent = &client->dev;

	__set_bit(EV_ABS, input_dev->evbit);
	__set_bit(EV_KEY, input_dev->evbit);
	__set_bit(BTN_TOUCH, input_dev->keybit);
	input_set_abs_params(input_dev, ABS_X, 0, MCS5000_MAX_XC, 0, 0);
	input_set_abs_params(input_dev, ABS_Y, 0, MCS5000_MAX_YC, 0, 0);

	input_set_drvdata(input_dev, data);

	if (data->platform_data->cfg_pin)
		data->platform_data->cfg_pin();

	ret = request_threaded_irq(client->irq, NULL, mcs5000_ts_interrupt,
			IRQF_TRIGGER_LOW | IRQF_ONESHOT, "mcs5000_ts", data);

	if (ret < 0) {
		dev_err(&client->dev, "Failed to register interrupt\n");
		goto err_free_mem;
	}

	ret = input_register_device(data->input_dev);
	if (ret < 0)
		goto err_free_irq;

	mcs5000_ts_phys_init(data);
	i2c_set_clientdata(client, data);

	return 0;

err_free_irq:
	free_irq(client->irq, data);
err_free_mem:
	input_free_device(input_dev);
	kfree(data);
	return ret;
}

static int __devexit mcs5000_ts_remove(struct i2c_client *client)
{
	struct mcs5000_ts_data *data = i2c_get_clientdata(client);

	free_irq(client->irq, data);
	input_unregister_device(data->input_dev);
	kfree(data);
	i2c_set_clientdata(client, NULL);

	return 0;
}

#ifdef CONFIG_PM
static int mcs5000_ts_suspend(struct i2c_client *client, pm_message_t mesg)
{
	/* 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)
{
	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
#endif

static const struct i2c_device_id mcs5000_ts_id[] = {
	{ "mcs5000_ts", 0 },
	{ }
};
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",
	},
	.id_table	= mcs5000_ts_id,
};

static int __init mcs5000_ts_init(void)
{
	return i2c_add_driver(&mcs5000_ts_driver);
}

static void __exit mcs5000_ts_exit(void)
{
	i2c_del_driver(&mcs5000_ts_driver);
}

module_init(mcs5000_ts_init);
module_exit(mcs5000_ts_exit);

/* Module information */
MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
MODULE_DESCRIPTION("Touchscreen driver for MELFAS MCS-5000 controller");
MODULE_LICENSE("GPL");
Commit	Line	Data
38e783b3 JS	1	/*
	2	* mcs5000_ts.c - Touchscreen driver for MELFAS MCS-5000 controller
	3	*
	4	* Copyright (C) 2009 Samsung Electronics Co.Ltd
	5	* Author: Joonyoung Shim <jy0922.shim@samsung.com>
	6	*
	7	* Based on wm97xx-core.c
	8	*
	9	* This program is free software; you can redistribute it and/or modify it
	10	* under the terms of the GNU General Public License as published by the
	11	* Free Software Foundation; either version 2 of the License, or (at your
	12	* option) any later version.
	13	*
	14	*/
	15
	16	#include <linux/module.h>
	17	#include <linux/init.h>
	18	#include <linux/i2c.h>
	19	#include <linux/i2c/mcs5000_ts.h>
	20	#include <linux/interrupt.h>
	21	#include <linux/input.h>
	22	#include <linux/irq.h>
	23
	24	/* Registers */
	25	#define MCS5000_TS_STATUS 0x00
	26	#define STATUS_OFFSET 0
	27	#define STATUS_NO (0 << STATUS_OFFSET)
	28	#define STATUS_INIT (1 << STATUS_OFFSET)
	29	#define STATUS_SENSING (2 << STATUS_OFFSET)
	30	#define STATUS_COORD (3 << STATUS_OFFSET)
	31	#define STATUS_GESTURE (4 << STATUS_OFFSET)
	32	#define ERROR_OFFSET 4
	33	#define ERROR_NO (0 << ERROR_OFFSET)
	34	#define ERROR_POWER_ON_RESET (1 << ERROR_OFFSET)
	35	#define ERROR_INT_RESET (2 << ERROR_OFFSET)
	36	#define ERROR_EXT_RESET (3 << ERROR_OFFSET)
	37	#define ERROR_INVALID_REG_ADDRESS (8 << ERROR_OFFSET)
	38	#define ERROR_INVALID_REG_VALUE (9 << ERROR_OFFSET)
	39
	40	#define MCS5000_TS_OP_MODE 0x01
	41	#define RESET_OFFSET 0
	42	#define RESET_NO (0 << RESET_OFFSET)
	43	#define RESET_EXT_SOFT (1 << RESET_OFFSET)
	44	#define OP_MODE_OFFSET 1
	45	#define OP_MODE_SLEEP (0 << OP_MODE_OFFSET)
	46	#define OP_MODE_ACTIVE (1 << OP_MODE_OFFSET)
	47	#define GESTURE_OFFSET 4
	48	#define GESTURE_DISABLE (0 << GESTURE_OFFSET)
	49	#define GESTURE_ENABLE (1 << GESTURE_OFFSET)
	50	#define PROXIMITY_OFFSET 5
	51	#define PROXIMITY_DISABLE (0 << PROXIMITY_OFFSET)
	52	#define PROXIMITY_ENABLE (1 << PROXIMITY_OFFSET)
	53	#define SCAN_MODE_OFFSET 6
	54	#define SCAN_MODE_INTERRUPT (0 << SCAN_MODE_OFFSET)
	55	#define SCAN_MODE_POLLING (1 << SCAN_MODE_OFFSET)
	56	#define REPORT_RATE_OFFSET 7
	57	#define REPORT_RATE_40 (0 << REPORT_RATE_OFFSET)
	58	#define REPORT_RATE_80 (1 << REPORT_RATE_OFFSET)
	59
	60	#define MCS5000_TS_SENS_CTL 0x02
	61	#define MCS5000_TS_FILTER_CTL 0x03
	62	#define PRI_FILTER_OFFSET 0
	63	#define SEC_FILTER_OFFSET 4
	64
65	#define MCS5000_TS_X_SIZE_UPPER 0x08
66	#define MCS5000_TS_X_SIZE_LOWER 0x09
67	#define MCS5000_TS_Y_SIZE_UPPER 0x0A
68	#define MCS5000_TS_Y_SIZE_LOWER 0x0B
69
70	#define MCS5000_TS_INPUT_INFO 0x10
71	#define INPUT_TYPE_OFFSET 0
72	#define INPUT_TYPE_NONTOUCH (0 << INPUT_TYPE_OFFSET)
73	#define INPUT_TYPE_SINGLE (1 << INPUT_TYPE_OFFSET)
74	#define INPUT_TYPE_DUAL (2 << INPUT_TYPE_OFFSET)
75	#define INPUT_TYPE_PALM (3 << INPUT_TYPE_OFFSET)
76	#define INPUT_TYPE_PROXIMITY (7 << INPUT_TYPE_OFFSET)
77	#define GESTURE_CODE_OFFSET 3
78	#define GESTURE_CODE_NO (0 << GESTURE_CODE_OFFSET)
79
80	#define MCS5000_TS_X_POS_UPPER 0x11
81	#define MCS5000_TS_X_POS_LOWER 0x12
82	#define MCS5000_TS_Y_POS_UPPER 0x13
83	#define MCS5000_TS_Y_POS_LOWER 0x14
84	#define MCS5000_TS_Z_POS 0x15
85	#define MCS5000_TS_WIDTH 0x16
86	#define MCS5000_TS_GESTURE_VAL 0x17
87	#define MCS5000_TS_MODULE_REV 0x20
88	#define MCS5000_TS_FIRMWARE_VER 0x21
89
90	/* Touchscreen absolute values */
91	#define MCS5000_MAX_XC 0x3ff
92	#define MCS5000_MAX_YC 0x3ff
93
94	enum mcs5000_ts_read_offset {
95	READ_INPUT_INFO,
96	READ_X_POS_UPPER,
97	READ_X_POS_LOWER,
98	READ_Y_POS_UPPER,
99	READ_Y_POS_LOWER,
100	READ_BLOCK_SIZE,
101	};
102
103	/* Each client has this additional data */
104	struct mcs5000_ts_data {
105	struct i2c_client *client;
106	struct input_dev *input_dev;
107	const struct mcs5000_ts_platform_data *platform_data;
108	};
109
110	static irqreturn_t mcs5000_ts_interrupt(int irq, void *dev_id)
111	{
112	struct mcs5000_ts_data *data = dev_id;
113	struct i2c_client *client = data->client;
114	u8 buffer[READ_BLOCK_SIZE];
115	int err;
116	int x;
117	int y;
118
119	err = i2c_smbus_read_i2c_block_data(client, MCS5000_TS_INPUT_INFO,
120	READ_BLOCK_SIZE, buffer);
121	if (err < 0) {
122	dev_err(&client->dev, "%s, err[%d]\n", __func__, err);
123	goto out;
124	}
125
126	switch (buffer[READ_INPUT_INFO]) {
127	case INPUT_TYPE_NONTOUCH:
128	input_report_key(data->input_dev, BTN_TOUCH, 0);
129	input_sync(data->input_dev);
130	break;
131
132	case INPUT_TYPE_SINGLE:
133	x = (buffer[READ_X_POS_UPPER] << 8) \| buffer[READ_X_POS_LOWER];
134	y = (buffer[READ_Y_POS_UPPER] << 8) \| buffer[READ_Y_POS_LOWER];
135
136	input_report_key(data->input_dev, BTN_TOUCH, 1);
137	input_report_abs(data->input_dev, ABS_X, x);
138	input_report_abs(data->input_dev, ABS_Y, y);
139	input_sync(data->input_dev);
140	break;
141
142	case INPUT_TYPE_DUAL:
143	/* TODO */
144	break;
145
146	case INPUT_TYPE_PALM:
147	/* TODO */
148	break;
149
150	case INPUT_TYPE_PROXIMITY:
151	/* TODO */
152	break;
153
154	default:
155	dev_err(&client->dev, "Unknown ts input type %d\n",
156	buffer[READ_INPUT_INFO]);
157	break;
158	}
159
160	out:
161	return IRQ_HANDLED;
162	}
163
164	static void mcs5000_ts_phys_init(struct mcs5000_ts_data *data)
165	{
166	const struct mcs5000_ts_platform_data *platform_data =
167	data->platform_data;
168	struct i2c_client *client = data->client;
169
170	/* Touch reset & sleep mode */
171	i2c_smbus_write_byte_data(client, MCS5000_TS_OP_MODE,
172	RESET_EXT_SOFT \| OP_MODE_SLEEP);
173
174	/* Touch size */
175	i2c_smbus_write_byte_data(client, MCS5000_TS_X_SIZE_UPPER,
176	platform_data->x_size >> 8);
177	i2c_smbus_write_byte_data(client, MCS5000_TS_X_SIZE_LOWER,
178	platform_data->x_size & 0xff);
179	i2c_smbus_write_byte_data(client, MCS5000_TS_Y_SIZE_UPPER,
180	platform_data->y_size >> 8);
181	i2c_smbus_write_byte_data(client, MCS5000_TS_Y_SIZE_LOWER,
182	platform_data->y_size & 0xff);
183
184	/* Touch active mode & 80 report rate */
185	i2c_smbus_write_byte_data(data->client, MCS5000_TS_OP_MODE,
186	OP_MODE_ACTIVE \| REPORT_RATE_80);
187	}
188
189	static int __devinit mcs5000_ts_probe(struct i2c_client *client,
190	const struct i2c_device_id *id)
191	{
192	struct mcs5000_ts_data *data;
193	struct input_dev *input_dev;
194	int ret;
195
196	if (!client->dev.platform_data)
197	return -EINVAL;
198
199	data = kzalloc(sizeof(struct mcs5000_ts_data), GFP_KERNEL);
200	input_dev = input_allocate_device();
201	if (!data \|\| !input_dev) {
202	dev_err(&client->dev, "Failed to allocate memory\n");
203	ret = -ENOMEM;
204	goto err_free_mem;
205	}
206
207	data->client = client;
208	data->input_dev = input_dev;
209	data->platform_data = client->dev.platform_data;
210
211	input_dev->name = "MELPAS MCS-5000 Touchscreen";
212	input_dev->id.bustype = BUS_I2C;
213	input_dev->dev.parent = &client->dev;
214
215	__set_bit(EV_ABS, input_dev->evbit);
216	__set_bit(EV_KEY, input_dev->evbit);
217	__set_bit(BTN_TOUCH, input_dev->keybit);
218	input_set_abs_params(input_dev, ABS_X, 0, MCS5000_MAX_XC, 0, 0);
219	input_set_abs_params(input_dev, ABS_Y, 0, MCS5000_MAX_YC, 0, 0);
220
221	input_set_drvdata(input_dev, data);
222
223	if (data->platform_data->cfg_pin)
224	data->platform_data->cfg_pin();
225
226	ret = request_threaded_irq(client->irq, NULL, mcs5000_ts_interrupt,
227	IRQF_TRIGGER_LOW \| IRQF_ONESHOT, "mcs5000_ts", data);
228
229	if (ret < 0) {
230	dev_err(&client->dev, "Failed to register interrupt\n");
231	goto err_free_mem;
232	}
233
234	ret = input_register_device(data->input_dev);
235	if (ret < 0)
236	goto err_free_irq;
237
238	mcs5000_ts_phys_init(data);
239	i2c_set_clientdata(client, data);
240
241	return 0;
242
243	err_free_irq:
244	free_irq(client->irq, data);
245	err_free_mem:
246	input_free_device(input_dev);
247	kfree(data);
248	return ret;
249	}
250
251	static int __devexit mcs5000_ts_remove(struct i2c_client *client)
252	{
253	struct mcs5000_ts_data *data = i2c_get_clientdata(client);
254
255	free_irq(client->irq, data);
256	input_unregister_device(data->input_dev);
257	kfree(data);
258	i2c_set_clientdata(client, NULL);
259
260	return 0;
261	}
262
263	#ifdef CONFIG_PM
264	static int mcs5000_ts_suspend(struct i2c_client *client, pm_message_t mesg)
265	{
266	/* Touch sleep mode */
267	i2c_smbus_write_byte_data(client, MCS5000_TS_OP_MODE, OP_MODE_SLEEP);
268
269	return 0;
270	}
271
272	static int mcs5000_ts_resume(struct i2c_client *client)
273	{
274	struct mcs5000_ts_data *data = i2c_get_clientdata(client);
275
276	mcs5000_ts_phys_init(data);
277
278	return 0;
279	}
280	#else
281	#define mcs5000_ts_suspend NULL
282	#define mcs5000_ts_resume NULL
283	#endif
284
285	static const struct i2c_device_id mcs5000_ts_id[] = {
286	{ "mcs5000_ts", 0 },
287	{ }
288	};
289	MODULE_DEVICE_TABLE(i2c, mcs5000_ts_id);
290
291	static struct i2c_driver mcs5000_ts_driver = {
292	.probe = mcs5000_ts_probe,
293	.remove = __devexit_p(mcs5000_ts_remove),
294	.suspend = mcs5000_ts_suspend,
295	.resume = mcs5000_ts_resume,
296	.driver = {
297	.name = "mcs5000_ts",
298	},
299	.id_table = mcs5000_ts_id,
300	};
301
302	static int __init mcs5000_ts_init(void)
303	{
304	return i2c_add_driver(&mcs5000_ts_driver);
305	}
306
307	static void __exit mcs5000_ts_exit(void)
308	{
309	i2c_del_driver(&mcs5000_ts_driver);
310	}
311
312	module_init(mcs5000_ts_init);
313	module_exit(mcs5000_ts_exit);
314
315	/* Module information */
316	MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
317	MODULE_DESCRIPTION("Touchscreen driver for MELFAS MCS-5000 controller");
318	MODULE_LICENSE("GPL");