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Date:	Mon, 12 Jul 2010 13:56:49 -0700
From:	Kevin McNeely <kev@...ress.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	David Brown <davidb@...eaurora.org>,
	Trilok Soni <tsoni@...eaurora.org>,
	Fred <fwk@...ntu.linuxcertified.com>,
	Kevin McNeely <kev@...ress.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Eric Miao <eric.y.miao@...il.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Simtec Linux Team <linux@...tec.co.uk>,
	Arnaud Patard <arnaud.patard@...-net.org>,
	Antonio Ospite <ospite@...denti.unina.it>,
	Henrik Rydberg <rydberg@...omail.se>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] i2c: cyttsp i2c touchscreen driver init submit

From: Fred <fwk@...ntu.linuxcertified.com>

This is a new touchscreen driver for the Cypress Semiconductor
cyttsp family of devices.  This driver is for the i2c version
of cyttsp parts.

Signed-off-by: Kevin McNeely <kev@...ress.com>
---
 drivers/input/touchscreen/Kconfig      |   13 +
 drivers/input/touchscreen/Makefile     |    1 +
 drivers/input/touchscreen/cyttsp-i2c.c | 2016 ++++++++++++++++++++++++++++++++
 include/linux/cyttsp.h                 |  649 ++++++++++
 4 files changed, 2679 insertions(+), 0 deletions(-)
 create mode 100644 drivers/input/touchscreen/cyttsp-i2c.c
 create mode 100644 include/linux/cyttsp.h

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 3b9d5e2..a7a69a0 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -603,4 +603,17 @@ config TOUCHSCREEN_TPS6507X
 	  To compile this driver as a module, choose M here: the
 	  module will be called tps6507x_ts.
 
+config TOUCHSCREEN_CYTTSP_I2C
+	default n
+	tristate "Cypress TTSP i2c touchscreen"
+	depends on I2C
+	help
+	  Say Y here if you have a Cypress TTSP touchscreen
+	  connected to your system's i2c bus.
+
+	  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called cyttsp_i2c.
+
 endif
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 497964a..2026cb8 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -47,3 +47,4 @@ obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE)	+= mainstone-wm97xx.o
 obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE)	+= zylonite-wm97xx.o
 obj-$(CONFIG_TOUCHSCREEN_W90X900)	+= w90p910_ts.o
 obj-$(CONFIG_TOUCHSCREEN_TPS6507X)	+= tps6507x-ts.o
+obj-$(CONFIG_TOUCHSCREEN_CYTTSP_I2C)	+= cyttsp-i2c.o
diff --git a/drivers/input/touchscreen/cyttsp-i2c.c b/drivers/input/touchscreen/cyttsp-i2c.c
new file mode 100644
index 0000000..8397aa1
--- /dev/null
+++ b/drivers/input/touchscreen/cyttsp-i2c.c
@@ -0,0 +1,2016 @@
+/* Source for:
+ * Cypress TrueTouch(TM) Standard Product I2C touchscreen driver.
+ * drivers/input/touchscreen/cyttsp-i2c.c
+ *
+ * Copyright (C) 2009, 2010 Cypress Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2, and only 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Cypress reserves the right to make changes without further notice
+ * to the materials described herein. Cypress does not assume any
+ * liability arising out of the application described herein.
+ *
+ * Contact Cypress Semiconductor at www.cypress.com
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+#include <linux/byteorder/generic.h>
+#include <linux/bitops.h>
+#ifdef CONFIG_HAS_EARLYSUSPEND
+#include <linux/earlysuspend.h>
+#endif /* CONFIG_HAS_EARLYSUSPEND */
+
+#define CY_DECLARE_GLOBALS
+
+#include <linux/cyttsp.h>
+
+uint32_t cyttsp_tsdebug1 = 0xff;
+module_param_named(tsdebug1, cyttsp_tsdebug1, uint, 0664);
+
+/* CY TTSP I2C Driver private data */
+struct cyttsp {
+	struct i2c_client *client;
+	struct input_dev *input;
+	struct work_struct work;
+	struct timer_list timer;
+	struct mutex mutex;
+	char phys[32];
+	struct cyttsp_platform_data *platform_data;
+	u8 num_prv_st_tch;
+	u16 act_trk[CY_NUM_TRK_ID];
+	u16 prv_st_tch[CY_NUM_ST_TCH_ID];
+	u16 prv_mt_tch[CY_NUM_MT_TCH_ID];
+	u16 prv_mt_pos[CY_NUM_TRK_ID][2];
+	atomic_t irq_enabled;
+#ifdef CONFIG_HAS_EARLYSUSPEND
+	struct early_suspend early_suspend;
+#endif /* CONFIG_HAS_EARLYSUSPEND */
+};
+static u8 irq_cnt;		/* comparison counter with register valuw */
+static u32 irq_cnt_total;	/* total interrupts */
+static u32 irq_err_cnt;		/* count number of touch interrupts with err */
+#define CY_IRQ_CNT_MASK	0x000000FF	/* mapped for sizeof count in reg */
+#define CY_IRQ_CNT_REG	0x00		/* tt_undef[0]=reg 0x1B - Gen3 only */
+
+#ifdef CONFIG_HAS_EARLYSUSPEND
+static void cyttsp_early_suspend(struct early_suspend *handler);
+static void cyttsp_late_resume(struct early_suspend *handler);
+#endif /* CONFIG_HAS_EARLYSUSPEND */
+
+static struct workqueue_struct *cyttsp_ts_wq;
+
+
+/* ****************************************************************************
+ * Prototypes for static functions
+ * ************************************************************************** */
+static void cyttsp_xy_worker(struct work_struct *work);
+static irqreturn_t cyttsp_irq(int irq, void *handle);
+static int cyttsp_inlist(u16 prev_track[],
+			u8 cur_trk_id, u8 *prev_loc, u8 num_touches);
+static int cyttsp_next_avail_inlist(u16 cur_trk[],
+			u8 *new_loc, u8 num_touches);
+static int cyttsp_putbl(struct cyttsp *ts, int show,
+			int show_status, int show_version, int show_cid);
+static int __devinit cyttsp_probe(struct i2c_client *client,
+			const struct i2c_device_id *id);
+static int __devexit cyttsp_remove(struct i2c_client *client);
+static int cyttsp_resume(struct i2c_client *client);
+static int cyttsp_suspend(struct i2c_client *client, pm_message_t message);
+
+/* Static variables */
+static struct cyttsp_gen3_xydata_t g_xy_data;
+static struct cyttsp_bootloader_data_t g_bl_data;
+static struct cyttsp_sysinfo_data_t g_sysinfo_data;
+static const struct i2c_device_id cyttsp_id[] = {
+	{ CY_I2C_NAME, 0 },  { }
+};
+static u8 bl_cmd[] = {
+	CY_BL_FILE0, CY_BL_CMD, CY_BL_EXIT,
+	CY_BL_KEY0, CY_BL_KEY1, CY_BL_KEY2,
+	CY_BL_KEY3, CY_BL_KEY4, CY_BL_KEY5,
+	CY_BL_KEY6, CY_BL_KEY7};
+
+MODULE_DEVICE_TABLE(i2c, cyttsp_id);
+
+static struct i2c_driver cyttsp_driver = {
+	.driver = {
+		.name = CY_I2C_NAME,
+		.owner = THIS_MODULE,
+	},
+	.probe = cyttsp_probe,
+	.remove = __devexit_p(cyttsp_remove),
+	.suspend = cyttsp_suspend,
+	.resume = cyttsp_resume,
+	.id_table = cyttsp_id,
+};
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Cypress TrueTouch(R) Standard touchscreen driver");
+MODULE_AUTHOR("Cypress");
+
+static ssize_t cyttsp_irq_status(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct i2c_client *client = container_of(dev, struct i2c_client, dev);
+	struct cyttsp *ts = i2c_get_clientdata(client);
+	return sprintf(buf, "%u\n", atomic_read(&ts->irq_enabled));
+}
+
+static ssize_t cyttsp_irq_enable(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t size)
+{
+	struct i2c_client *client = container_of(dev, struct i2c_client, dev);
+	struct cyttsp *ts = i2c_get_clientdata(client);
+	int err = 0;
+	unsigned long value;
+
+	if (size > 2)
+		return -EINVAL;
+
+	err = strict_strtoul(buf, 10, &value);
+	if (err != 0)
+		return err;
+
+	switch (value) {
+	case 0:
+		if (atomic_cmpxchg(&ts->irq_enabled, 1, 0)) {
+			pr_info("touch irq disabled!\n");
+			disable_irq_nosync(ts->client->irq);
+		}
+		err = size;
+		break;
+	case 1:
+		if (!atomic_cmpxchg(&ts->irq_enabled, 0, 1)) {
+			pr_info("touch irq enabled!\n");
+			enable_irq(ts->client->irq);
+		}
+		err = size;
+		break;
+	default:
+		pr_info("cyttsp_irq_enable failed -> irq_enabled = %d\n",
+		atomic_read(&ts->irq_enabled));
+		err = -EINVAL;
+		break;
+	}
+
+	return err;
+}
+
+static DEVICE_ATTR(irq_enable, 0777, cyttsp_irq_status, cyttsp_irq_enable);
+
+/* The cyttsp_xy_worker function reads the XY coordinates and sends them to
+ * the input layer.  It is scheduled from the interrupt (or timer).
+ */
+void cyttsp_xy_worker(struct work_struct *work)
+{
+	struct cyttsp *ts = container_of(work, struct cyttsp, work);
+	u8 id, tilt, rev_x, rev_y;
+	u8 i, loc;
+	u8 prv_tch;		/* number of previous touches */
+	u8 cur_tch;	/* number of current touches */
+	u16 tmp_trk[CY_NUM_MT_TCH_ID];
+	u16 snd_trk[CY_NUM_MT_TCH_ID];
+	u16 cur_trk[CY_NUM_TRK_ID];
+	u16 cur_st_tch[CY_NUM_ST_TCH_ID];
+	u16 cur_mt_tch[CY_NUM_MT_TCH_ID];
+	/* if NOT CY_USE_TRACKING_ID then
+	 * only uses CY_NUM_MT_TCH_ID positions */
+	u16 cur_mt_pos[CY_NUM_TRK_ID][2];
+	/* if NOT CY_USE_TRACKING_ID then
+	 * only uses CY_NUM_MT_TCH_ID positions */
+	u8 cur_mt_z[CY_NUM_TRK_ID];
+	u8 curr_tool_width;
+	u16 st_x1, st_y1;
+	u8 st_z1;
+	u16 st_x2, st_y2;
+	u8 st_z2;
+	s32 retval;
+
+	cyttsp_xdebug("TTSP worker start 1:\n");
+
+	/* get event data from CYTTSP device */
+	i = CY_NUM_RETRY;
+	do {
+		retval = i2c_smbus_read_i2c_block_data(ts->client,
+			CY_REG_BASE,
+			sizeof(struct cyttsp_gen3_xydata_t), (u8 *)&g_xy_data);
+	} while ((retval < CY_OK) && --i);
+
+	if (retval < CY_OK) {
+		/* return immediately on
+		 * failure to read device on the i2c bus */
+		goto exit_xy_worker;
+	}
+
+	cyttsp_xdebug("TTSP worker start 2:\n");
+
+	/* compare own irq counter with the device irq counter */
+	if (ts->client->irq) {
+		u8 host_reg;
+		u8 cur_cnt;
+		if (ts->platform_data->use_hndshk) {
+
+			host_reg = g_xy_data.hst_mode & CY_HNDSHK_BIT ?
+				g_xy_data.hst_mode & ~CY_HNDSHK_BIT :
+				g_xy_data.hst_mode | CY_HNDSHK_BIT;
+			retval = i2c_smbus_write_i2c_block_data(ts->client,
+				CY_REG_BASE, sizeof(host_reg), &host_reg);
+		}
+		cur_cnt = g_xy_data.tt_undef[CY_IRQ_CNT_REG];
+		irq_cnt_total++;
+		irq_cnt++;
+		if (irq_cnt != cur_cnt) {
+			irq_err_cnt++;
+			cyttsp_debug("i_c_ER: dv=%d fw=%d hm=%02X t=%lu te=%lu\n", \
+				irq_cnt, \
+				cur_cnt, g_xy_data.hst_mode, \
+				(unsigned long)irq_cnt_total, \
+				(unsigned long)irq_err_cnt);
+		} else {
+			cyttsp_debug("i_c_ok: dv=%d fw=%d hm=%02X t=%lu te=%lu\n", \
+				irq_cnt, \
+				cur_cnt, g_xy_data.hst_mode, \
+				(unsigned long)irq_cnt_total, \
+				(unsigned long)irq_err_cnt);
+		}
+		irq_cnt = cur_cnt;
+	}
+
+	/* Get the current num touches and return if there are no touches */
+	if ((GET_BOOTLOADERMODE(g_xy_data.tt_mode) == 1) ||
+		(GET_HSTMODE(g_xy_data.hst_mode) != CY_OK)) {
+		u8 host_reg, tries;
+		/* the TTSP device has suffered spurious reset or mode switch */
+		cyttsp_debug( \
+			"Spurious err opmode (tt_mode=%02X hst_mode=%02X)\n", \
+			g_xy_data.tt_mode, g_xy_data.hst_mode);
+		cyttsp_debug("Reset TTSP Device; Terminating active tracks\n");
+		/* terminate all active tracks */
+		cur_tch = CY_NTCH;
+		/* reset TTSP part and take it back out of Bootloader mode */
+		host_reg = CY_SOFT_RESET_MODE;
+		retval = i2c_smbus_write_i2c_block_data(ts->client,
+			CY_REG_BASE,
+			sizeof(host_reg), &host_reg);
+		tries = 0;
+		do {
+			mdelay(1000);
+
+			/* set arg2 to non-0 to activate */
+			retval = cyttsp_putbl(ts, 1, false, false, false);
+		} while (!(retval < CY_OK) &&
+			!GET_BOOTLOADERMODE(g_bl_data.bl_status) &&
+			!(g_bl_data.bl_file ==
+			CY_OP_MODE + CY_LOW_PWR_MODE) &&
+			tries++ < 10);
+		/* switch back to operational mode */
+		if (GET_BOOTLOADERMODE(g_bl_data.bl_status)) {
+			retval = i2c_smbus_write_i2c_block_data(ts->client,
+				CY_REG_BASE,
+				sizeof(bl_cmd), bl_cmd);
+			tries = 0;
+			do {
+				mdelay(1000);
+				cyttsp_putbl(ts, 1, false, false, false);
+			} while (GET_BOOTLOADERMODE(g_bl_data.bl_status) &&
+				tries++ < 10);
+		}
+		if (!(retval < CY_OK)) {
+			host_reg = CY_OP_MODE
+				/* + CY_LOW_PWR_MODE */;
+			retval = i2c_smbus_write_i2c_block_data(ts->client,
+				CY_REG_BASE,
+				sizeof(host_reg), &host_reg);
+			/* wait for TTSP Device to complete switch to Op mode */
+			mdelay(1000);
+		}
+		goto exit_xy_worker;
+	} else {
+		cur_tch = GET_NUM_TOUCHES(g_xy_data.tt_stat);
+		if (IS_LARGE_AREA(g_xy_data.tt_stat)) {
+			/* terminate all active tracks */
+			cur_tch = CY_NTCH;
+			cyttsp_debug("Large obj detect (tt_stat=0x%02X). Terminate act trks\n", \
+			    g_xy_data.tt_stat);
+		} else if (cur_tch > CY_NUM_MT_TCH_ID) {
+			/* if the number of fingers on the touch surface
+			 * is more than the maximum then
+			 * there will be no new track information
+			 * even for the original touches.
+			 * Therefore, terminate all active tracks.
+			 */
+			cur_tch = CY_NTCH;
+			cyttsp_debug("Num touch err (tt_stat=0x%02X). Terminate act trks\n", \
+			    g_xy_data.tt_stat);
+		}
+	}
+
+	/* set tool size */
+	curr_tool_width = CY_SMALL_TOOL_WIDTH;
+
+	/* translate Gen2 interface data into comparable Gen3 data */
+	if (ts->platform_data->gen == CY_GEN2) {
+		struct cyttsp_gen2_xydata_t *pxy_gen2_data;
+		pxy_gen2_data = (struct cyttsp_gen2_xydata_t *)(&g_xy_data);
+
+		/* use test data? */
+		cyttsp_testdat(&g_xy_data, &tt_gen2_testray, \
+			sizeof(struct cyttsp_gen3_xydata_t));
+
+		if (pxy_gen2_data->evnt_idx == CY_GEN2_NOTOUCH) {
+			cur_tch = 0;
+		} else if (cur_tch == CY_GEN2_GHOST) {
+			cur_tch = 0;
+		} else if (cur_tch == CY_GEN2_2TOUCH) {
+			/* stuff artificial track ID1 and ID2 */
+			g_xy_data.touch12_id = 0x12;
+			g_xy_data.z1 = CY_MAXZ;
+			g_xy_data.z2 = CY_MAXZ;
+			cur_tch--;			/* 2 touches */
+		} else if (cur_tch == CY_GEN2_1TOUCH) {
+			/* stuff artificial track ID1 and ID2 */
+			g_xy_data.touch12_id = 0x12;
+			g_xy_data.z1 = CY_MAXZ;
+			g_xy_data.z2 = CY_NTCH;
+			if (pxy_gen2_data->evnt_idx == CY_GEN2_TOUCH2) {
+				/* push touch 2 data into touch1
+				 * (first finger up; second finger down) */
+				/* stuff artificial track ID1 for touch2 info */
+				g_xy_data.touch12_id = 0x20;
+				/* stuff touch 1 with touch 2 coordinate data */
+				g_xy_data.x1 = g_xy_data.x2;
+				g_xy_data.y1 = g_xy_data.y2;
+			}
+		} else {
+			cur_tch = 0;
+		}
+	} else {
+		/* use test data? */
+		cyttsp_testdat(&g_xy_data, &tt_gen3_testray, \
+			sizeof(struct cyttsp_gen3_xydata_t));
+	}
+
+
+
+	/* clear current active track ID array and count previous touches */
+	for (id = 0, prv_tch = CY_NTCH;
+		id < CY_NUM_TRK_ID; id++) {
+		cur_trk[id] = CY_NTCH;
+		prv_tch += ts->act_trk[id];
+	}
+
+	/* send no events if no previous touches and no new touches */
+	if ((prv_tch == CY_NTCH) &&
+		((cur_tch == CY_NTCH) ||
+		(cur_tch > CY_NUM_MT_TCH_ID))) {
+		goto exit_xy_worker;
+	}
+
+	cyttsp_debug("prev=%d  curr=%d\n", prv_tch, cur_tch);
+
+	for (id = 0; id < CY_NUM_ST_TCH_ID; id++) {
+		/* clear current single touches array */
+		cur_st_tch[id] = CY_IGNR_TCH;
+	}
+
+	/* clear single touch positions */
+	st_x1 = CY_NTCH;
+	st_y1 = CY_NTCH;
+	st_z1 = CY_NTCH;
+	st_x2 = CY_NTCH;
+	st_y2 = CY_NTCH;
+	st_z2 = CY_NTCH;
+
+	for (id = 0; id < CY_NUM_MT_TCH_ID; id++) {
+		/* clear current multi-touches array and
+		 * multi-touch positions/z */
+		cur_mt_tch[id] = CY_IGNR_TCH;
+	}
+
+	if (ts->platform_data->use_trk_id) {
+		for (id = 0; id < CY_NUM_MT_TCH_ID; id++) {
+			cur_mt_pos[id][CY_XPOS] = 0;
+			cur_mt_pos[id][CY_YPOS] = 0;
+			cur_mt_z[id] = 0;
+		}
+	} else {
+		for (id = 0; id < CY_NUM_TRK_ID; id++) {
+			cur_mt_pos[id][CY_XPOS] = 0;
+			cur_mt_pos[id][CY_YPOS] = 0;
+			cur_mt_z[id] = 0;
+		}
+	}
+
+	/* Determine if display is tilted */
+	if (FLIP_DATA(ts->platform_data->flags))
+		tilt = true;
+	else
+		tilt = false;
+
+	/* Check for switch in origin */
+	if (REVERSE_X(ts->platform_data->flags))
+		rev_x = true;
+	else
+		rev_x = false;
+
+	if (REVERSE_Y(ts->platform_data->flags))
+		rev_y = true;
+	else
+		rev_y = false;
+
+	if (cur_tch) {
+		struct cyttsp_gen2_xydata_t *pxy_gen2_data;
+		struct cyttsp_gen3_xydata_t *pxy_gen3_data;
+		switch (ts->platform_data->gen) {
+		case CY_GEN2: {
+			pxy_gen2_data =
+				(struct cyttsp_gen2_xydata_t *)(&g_xy_data);
+			cyttsp_xdebug("TTSP Gen2 report:\n");
+			cyttsp_xdebug("%02X %02X %02X\n", \
+				pxy_gen2_data->hst_mode, \
+				pxy_gen2_data->tt_mode, \
+				pxy_gen2_data->tt_stat);
+			cyttsp_xdebug("%04X %04X %02X  %02X\n", \
+				pxy_gen2_data->x1, \
+				pxy_gen2_data->y1, \
+				pxy_gen2_data->z1, \
+				pxy_gen2_data->evnt_idx);
+			cyttsp_xdebug("%04X %04X %02X\n", \
+				pxy_gen2_data->x2, \
+				pxy_gen2_data->y2, \
+				pxy_gen2_data->tt_undef1);
+			cyttsp_xdebug("%02X %02X %02X\n", \
+				pxy_gen2_data->gest_cnt, \
+				pxy_gen2_data->gest_id, \
+				pxy_gen2_data->gest_set);
+			break;
+		}
+		case CY_GEN3:
+		default: {
+			pxy_gen3_data =
+				(struct cyttsp_gen3_xydata_t *)(&g_xy_data);
+			cyttsp_xdebug("TTSP Gen3 report:\n");
+			cyttsp_xdebug("%02X %02X %02X\n", \
+				pxy_gen3_data->hst_mode,
+				pxy_gen3_data->tt_mode,
+				pxy_gen3_data->tt_stat);
+			cyttsp_xdebug("%04X %04X %02X  %02X", \
+				pxy_gen3_data->x1,
+				pxy_gen3_data->y1,
+				pxy_gen3_data->z1, \
+				pxy_gen3_data->touch12_id);
+			cyttsp_xdebug("%04X %04X %02X\n", \
+				pxy_gen3_data->x2, \
+				pxy_gen3_data->y2, \
+				pxy_gen3_data->z2);
+			cyttsp_xdebug("%02X %02X %02X\n", \
+				pxy_gen3_data->gest_cnt, \
+				pxy_gen3_data->gest_id, \
+				pxy_gen3_data->gest_set);
+			cyttsp_xdebug("%04X %04X %02X  %02X\n", \
+				pxy_gen3_data->x3, \
+				pxy_gen3_data->y3, \
+				pxy_gen3_data->z3, \
+				pxy_gen3_data->touch34_id);
+			cyttsp_xdebug("%04X %04X %02X\n", \
+				pxy_gen3_data->x4, \
+				pxy_gen3_data->y4, \
+				pxy_gen3_data->z4);
+			break;
+		}
+		}
+	}
+
+	/* process the touches */
+	switch (cur_tch) {
+	case 4: {
+		g_xy_data.x4 = be16_to_cpu(g_xy_data.x4);
+		g_xy_data.y4 = be16_to_cpu(g_xy_data.y4);
+		if (tilt)
+			FLIP_XY(g_xy_data.x4, g_xy_data.y4);
+
+		if (rev_x) {
+			g_xy_data.x4 =
+				INVERT_X(g_xy_data.x4, ts->platform_data->maxx);
+		}
+		if (rev_y) {
+			g_xy_data.y4 =
+				INVERT_X(g_xy_data.y4, ts->platform_data->maxy);
+		}
+		id = GET_TOUCH4_ID(g_xy_data.touch34_id);
+		if (ts->platform_data->use_trk_id) {
+			cur_mt_pos[CY_MT_TCH4_IDX][CY_XPOS] =
+				g_xy_data.x4;
+			cur_mt_pos[CY_MT_TCH4_IDX][CY_YPOS] =
+				g_xy_data.y4;
+			cur_mt_z[CY_MT_TCH4_IDX] = g_xy_data.z4;
+		} else {
+			cur_mt_pos[id][CY_XPOS] = g_xy_data.x4;
+			cur_mt_pos[id][CY_YPOS] = g_xy_data.y4;
+			cur_mt_z[id] = g_xy_data.z4;
+		}
+		cur_mt_tch[CY_MT_TCH4_IDX] = id;
+		cur_trk[id] = CY_TCH;
+		if (ts->prv_st_tch[CY_ST_FNGR1_IDX] <
+			CY_NUM_TRK_ID) {
+			if (ts->prv_st_tch[CY_ST_FNGR1_IDX] == id) {
+				st_x1 = g_xy_data.x4;
+				st_y1 = g_xy_data.y4;
+				st_z1 = g_xy_data.z4;
+				cur_st_tch[CY_ST_FNGR1_IDX] = id;
+			} else if (ts->prv_st_tch[CY_ST_FNGR2_IDX] == id) {
+				st_x2 = g_xy_data.x4;
+				st_y2 = g_xy_data.y4;
+				st_z2 = g_xy_data.z4;
+				cur_st_tch[CY_ST_FNGR2_IDX] = id;
+			}
+		}
+		cyttsp_xdebug("4th XYZ:% 3d,% 3d,% 3d  ID:% 2d\n\n", \
+			g_xy_data.x4, g_xy_data.y4, g_xy_data.z4, \
+			(g_xy_data.touch34_id & 0x0F));
+		/* do not break */
+	}
+	case 3: {
+		g_xy_data.x3 = be16_to_cpu(g_xy_data.x3);
+		g_xy_data.y3 = be16_to_cpu(g_xy_data.y3);
+		if (tilt)
+			FLIP_XY(g_xy_data.x3, g_xy_data.y3);
+
+		if (rev_x) {
+			g_xy_data.x3 =
+				INVERT_X(g_xy_data.x3, ts->platform_data->maxx);
+		}
+		if (rev_y) {
+			g_xy_data.y3 =
+				INVERT_X(g_xy_data.y3, ts->platform_data->maxy);
+		}
+		id = GET_TOUCH3_ID(g_xy_data.touch34_id);
+		if (ts->platform_data->use_trk_id) {
+			cur_mt_pos[CY_MT_TCH3_IDX][CY_XPOS] =
+				g_xy_data.x3;
+			cur_mt_pos[CY_MT_TCH3_IDX][CY_YPOS] =
+				g_xy_data.y3;
+			cur_mt_z[CY_MT_TCH3_IDX] = g_xy_data.z3;
+		} else {
+			cur_mt_pos[id][CY_XPOS] = g_xy_data.x3;
+			cur_mt_pos[id][CY_YPOS] = g_xy_data.y3;
+			cur_mt_z[id] = g_xy_data.z3;
+		}
+		cur_mt_tch[CY_MT_TCH3_IDX] = id;
+		cur_trk[id] = CY_TCH;
+		if (ts->prv_st_tch[CY_ST_FNGR1_IDX] <
+			CY_NUM_TRK_ID) {
+			if (ts->prv_st_tch[CY_ST_FNGR1_IDX] == id) {
+				st_x1 = g_xy_data.x3;
+				st_y1 = g_xy_data.y3;
+				st_z1 = g_xy_data.z3;
+				cur_st_tch[CY_ST_FNGR1_IDX] = id;
+			} else if (ts->prv_st_tch[CY_ST_FNGR2_IDX] == id) {
+				st_x2 = g_xy_data.x3;
+				st_y2 = g_xy_data.y3;
+				st_z2 = g_xy_data.z3;
+				cur_st_tch[CY_ST_FNGR2_IDX] = id;
+			}
+		}
+		cyttsp_xdebug("3rd XYZ:% 3d,% 3d,% 3d  ID:% 2d\n", \
+			g_xy_data.x3, g_xy_data.y3, g_xy_data.z3, \
+			((g_xy_data.touch34_id >> 4) & 0x0F));
+		/* do not break */
+	}
+	case 2: {
+		g_xy_data.x2 = be16_to_cpu(g_xy_data.x2);
+		g_xy_data.y2 = be16_to_cpu(g_xy_data.y2);
+		if (tilt)
+			FLIP_XY(g_xy_data.x2, g_xy_data.y2);
+
+		if (rev_x) {
+			g_xy_data.x2 =
+				INVERT_X(g_xy_data.x2, ts->platform_data->maxx);
+		}
+		if (rev_y) {
+			g_xy_data.y2 =
+				INVERT_X(g_xy_data.y2, ts->platform_data->maxy);
+		}
+		id = GET_TOUCH2_ID(g_xy_data.touch12_id);
+		if (ts->platform_data->use_trk_id) {
+			cur_mt_pos[CY_MT_TCH2_IDX][CY_XPOS] =
+				g_xy_data.x2;
+			cur_mt_pos[CY_MT_TCH2_IDX][CY_YPOS] =
+				g_xy_data.y2;
+			cur_mt_z[CY_MT_TCH2_IDX] = g_xy_data.z2;
+		} else {
+			cur_mt_pos[id][CY_XPOS] = g_xy_data.x2;
+			cur_mt_pos[id][CY_YPOS] = g_xy_data.y2;
+			cur_mt_z[id] = g_xy_data.z2;
+		}
+		cur_mt_tch[CY_MT_TCH2_IDX] = id;
+		cur_trk[id] = CY_TCH;
+		if (ts->prv_st_tch[CY_ST_FNGR1_IDX] <
+			CY_NUM_TRK_ID) {
+			if (ts->prv_st_tch[CY_ST_FNGR1_IDX] == id) {
+				st_x1 = g_xy_data.x2;
+				st_y1 = g_xy_data.y2;
+				st_z1 = g_xy_data.z2;
+				cur_st_tch[CY_ST_FNGR1_IDX] = id;
+			} else if (ts->prv_st_tch[CY_ST_FNGR2_IDX] == id) {
+				st_x2 = g_xy_data.x2;
+				st_y2 = g_xy_data.y2;
+				st_z2 = g_xy_data.z2;
+				cur_st_tch[CY_ST_FNGR2_IDX] = id;
+			}
+		}
+		cyttsp_xdebug("2nd XYZ:% 3d,% 3d,% 3d  ID:% 2d\n", \
+			g_xy_data.x2, g_xy_data.y2, g_xy_data.z2, \
+			(g_xy_data.touch12_id & 0x0F));
+		/* do not break */
+	}
+	case 1:	{
+		g_xy_data.x1 = be16_to_cpu(g_xy_data.x1);
+		g_xy_data.y1 = be16_to_cpu(g_xy_data.y1);
+		if (tilt)
+			FLIP_XY(g_xy_data.x1, g_xy_data.y1);
+
+		if (rev_x) {
+			g_xy_data.x1 =
+				INVERT_X(g_xy_data.x1, ts->platform_data->maxx);
+		}
+		if (rev_y) {
+			g_xy_data.y1 =
+				INVERT_X(g_xy_data.y1, ts->platform_data->maxy);
+		}
+		id = GET_TOUCH1_ID(g_xy_data.touch12_id);
+		if (ts->platform_data->use_trk_id) {
+			cur_mt_pos[CY_MT_TCH1_IDX][CY_XPOS] =
+				g_xy_data.x1;
+			cur_mt_pos[CY_MT_TCH1_IDX][CY_YPOS] =
+				g_xy_data.y1;
+			cur_mt_z[CY_MT_TCH1_IDX] = g_xy_data.z1;
+		} else {
+			cur_mt_pos[id][CY_XPOS] = g_xy_data.x1;
+			cur_mt_pos[id][CY_YPOS] = g_xy_data.y1;
+			cur_mt_z[id] = g_xy_data.z1;
+		}
+		cur_mt_tch[CY_MT_TCH1_IDX] = id;
+		cur_trk[id] = CY_TCH;
+		if (ts->prv_st_tch[CY_ST_FNGR1_IDX] <
+			CY_NUM_TRK_ID) {
+			if (ts->prv_st_tch[CY_ST_FNGR1_IDX] == id) {
+				st_x1 = g_xy_data.x1;
+				st_y1 = g_xy_data.y1;
+				st_z1 = g_xy_data.z1;
+				cur_st_tch[CY_ST_FNGR1_IDX] = id;
+			} else if (ts->prv_st_tch[CY_ST_FNGR2_IDX] == id) {
+				st_x2 = g_xy_data.x1;
+				st_y2 = g_xy_data.y1;
+				st_z2 = g_xy_data.z1;
+				cur_st_tch[CY_ST_FNGR2_IDX] = id;
+			}
+		}
+		cyttsp_xdebug("1st XYZ:% 3d,% 3d,% 3d  ID:% 2d\n", \
+			g_xy_data.x1, g_xy_data.y1, g_xy_data.z1, \
+			((g_xy_data.touch12_id >> 4) & 0x0F));
+		break;
+	}
+	case 0:
+	default:{
+		break;
+	}
+	}
+
+	/* handle Single Touch signals */
+	if (ts->platform_data->use_st) {
+		cyttsp_xdebug("ST STEP 0 - ST1 ID=%d  ST2 ID=%d\n", \
+			cur_st_tch[CY_ST_FNGR1_IDX], \
+			cur_st_tch[CY_ST_FNGR2_IDX]);
+		if (cur_st_tch[CY_ST_FNGR1_IDX] > CY_NUM_TRK_ID) {
+			/* reassign finger 1 and 2 positions to new tracks */
+			if (cur_tch > 0) {
+				/* reassign st finger1 */
+				if (ts->platform_data->use_trk_id) {
+					id = CY_MT_TCH1_IDX;
+					cur_st_tch[CY_ST_FNGR1_IDX] = cur_mt_tch[id];
+				} else {
+					id = GET_TOUCH1_ID(g_xy_data.touch12_id);
+					cur_st_tch[CY_ST_FNGR1_IDX] = id;
+				}
+				st_x1 = cur_mt_pos[id][CY_XPOS];
+				st_y1 = cur_mt_pos[id][CY_YPOS];
+				st_z1 = cur_mt_z[id];
+				cyttsp_xdebug("ST STEP 1 - ST1 ID=%3d\n", \
+					cur_st_tch[CY_ST_FNGR1_IDX]);
+				if ((cur_tch > 1) &&
+					(cur_st_tch[CY_ST_FNGR2_IDX] >
+					CY_NUM_TRK_ID)) {
+					/* reassign st finger2 */
+					if (cur_tch > 1) {
+						if (ts->platform_data->use_trk_id) {
+							id = CY_MT_TCH2_IDX;
+							cur_st_tch[CY_ST_FNGR2_IDX] = cur_mt_tch[id];
+						} else {
+							id = GET_TOUCH2_ID(g_xy_data.touch12_id);
+							cur_st_tch[CY_ST_FNGR2_IDX] = id;
+						}
+						st_x2 = cur_mt_pos[id][CY_XPOS];
+						st_y2 = cur_mt_pos[id][CY_YPOS];
+						st_z2 = cur_mt_z[id];
+						cyttsp_xdebug("ST STEP 2 - ST2 ID=%3d\n", \
+							cur_st_tch[CY_ST_FNGR2_IDX]);
+					}
+				}
+			}
+		} else if (cur_st_tch[CY_ST_FNGR2_IDX] > CY_NUM_TRK_ID) {
+			if (cur_tch > 1) {
+				/* reassign st finger2 */
+				if (ts->platform_data->use_trk_id) {
+					/* reassign st finger2 */
+					id = CY_MT_TCH2_IDX;
+					cur_st_tch[CY_ST_FNGR2_IDX] =
+						cur_mt_tch[id];
+				} else {
+					/* reassign st finger2 */
+					id = GET_TOUCH2_ID(g_xy_data.touch12_id);
+					cur_st_tch[CY_ST_FNGR2_IDX] = id;
+				}
+				st_x2 = cur_mt_pos[id][CY_XPOS];
+				st_y2 = cur_mt_pos[id][CY_YPOS];
+				st_z2 = cur_mt_z[id];
+				cyttsp_xdebug("ST STEP 3 - ST2 ID=%3d\n", \
+					cur_st_tch[CY_ST_FNGR2_IDX]);
+			}
+		}
+		/* if the 1st touch is missing and there is a 2nd touch,
+		 * then set the 1st touch to 2nd touch and terminate 2nd touch
+		 */
+		if ((cur_st_tch[CY_ST_FNGR1_IDX] > CY_NUM_TRK_ID) &&
+		    (cur_st_tch[CY_ST_FNGR2_IDX] < CY_NUM_TRK_ID)) {
+			st_x1 = st_x2;
+			st_y1 = st_y2;
+			st_z1 = st_z2;
+			cur_st_tch[CY_ST_FNGR1_IDX] =
+				cur_st_tch[CY_ST_FNGR2_IDX];
+			cur_st_tch[CY_ST_FNGR2_IDX] =
+				CY_IGNR_TCH;
+		}
+		/* if the 2nd touch ends up equal to the 1st touch,
+		 * then just report a single touch */
+		if (cur_st_tch[CY_ST_FNGR1_IDX] ==
+			cur_st_tch[CY_ST_FNGR2_IDX]) {
+			cur_st_tch[CY_ST_FNGR2_IDX] =
+				CY_IGNR_TCH;
+		}
+		/* set Single Touch current event signals */
+		if (cur_st_tch[CY_ST_FNGR1_IDX] < CY_NUM_TRK_ID) {
+			input_report_abs(ts->input,
+				ABS_X, st_x1);
+			input_report_abs(ts->input,
+				ABS_Y, st_y1);
+			input_report_abs(ts->input,
+				ABS_PRESSURE, st_z1);
+			input_report_key(ts->input,
+				BTN_TOUCH,
+				CY_TCH);
+			input_report_abs(ts->input,
+				ABS_TOOL_WIDTH,
+				curr_tool_width);
+			cyttsp_debug("ST->F1:%3d X:%3d Y:%3d Z:%3d\n", \
+				cur_st_tch[CY_ST_FNGR1_IDX], \
+				st_x1, st_y1, st_z1);
+			if (cur_st_tch[CY_ST_FNGR2_IDX] < CY_NUM_TRK_ID) {
+				input_report_key(ts->input, BTN_2, CY_TCH);
+				input_report_abs(ts->input, ABS_HAT0X, st_x2);
+				input_report_abs(ts->input, ABS_HAT0Y, st_y2);
+				cyttsp_debug("ST->F2:%3d X:%3d Y:%3d Z:%3d\n", \
+					cur_st_tch[CY_ST_FNGR2_IDX],
+					st_x2, st_y2, st_z2);
+			} else {
+				input_report_key(ts->input,
+					BTN_2,
+					CY_NTCH);
+			}
+		} else {
+			input_report_abs(ts->input, ABS_PRESSURE, CY_NTCH);
+			input_report_key(ts->input, BTN_TOUCH, CY_NTCH);
+			input_report_key(ts->input, BTN_2, CY_NTCH);
+		}
+		/* update platform data for the current single touch info */
+		ts->prv_st_tch[CY_ST_FNGR1_IDX] = cur_st_tch[CY_ST_FNGR1_IDX];
+		ts->prv_st_tch[CY_ST_FNGR2_IDX] = cur_st_tch[CY_ST_FNGR2_IDX];
+
+	}
+
+	/* handle Multi-touch signals */
+	if (ts->platform_data->use_mt) {
+		if (ts->platform_data->use_trk_id) {
+			/* terminate any previous touch where the track
+			 * is missing from the current event */
+			for (id = 0; id < CY_NUM_TRK_ID; id++) {
+				if ((ts->act_trk[id] != CY_NTCH) &&
+					(cur_trk[id] == CY_NTCH)) {
+					input_report_abs(ts->input,
+						ABS_MT_TRACKING_ID,
+						id);
+					input_report_abs(ts->input,
+						ABS_MT_TOUCH_MAJOR,
+						CY_NTCH);
+					input_report_abs(ts->input,
+						ABS_MT_WIDTH_MAJOR,
+						curr_tool_width);
+					input_report_abs(ts->input,
+						ABS_MT_POSITION_X,
+						ts->prv_mt_pos[id][CY_XPOS]);
+					input_report_abs(ts->input,
+						ABS_MT_POSITION_Y,
+						ts->prv_mt_pos[id][CY_YPOS]);
+					CY_MT_SYNC(ts->input);
+					ts->act_trk[id] = CY_NTCH;
+					ts->prv_mt_pos[id][CY_XPOS] = 0;
+					ts->prv_mt_pos[id][CY_YPOS] = 0;
+				}
+			}
+			/* set Multi-Touch current event signals */
+			for (id = 0; id < CY_NUM_MT_TCH_ID; id++) {
+				if (cur_mt_tch[id] < CY_NUM_TRK_ID) {
+					input_report_abs(ts->input,
+						ABS_MT_TRACKING_ID,
+						cur_mt_tch[id]);
+					input_report_abs(ts->input,
+						ABS_MT_TOUCH_MAJOR,
+						cur_mt_z[id]);
+					input_report_abs(ts->input,
+						ABS_MT_WIDTH_MAJOR,
+						curr_tool_width);
+					input_report_abs(ts->input,
+						ABS_MT_POSITION_X,
+						cur_mt_pos[id][CY_XPOS]);
+					input_report_abs(ts->input,
+						ABS_MT_POSITION_Y,
+						cur_mt_pos[id][CY_YPOS]);
+					CY_MT_SYNC(ts->input);
+					ts->act_trk[id] = CY_TCH;
+					ts->prv_mt_pos[id][CY_XPOS] =
+						cur_mt_pos[id][CY_XPOS];
+					ts->prv_mt_pos[id][CY_YPOS] =
+						cur_mt_pos[id][CY_YPOS];
+				}
+			}
+		} else {
+			/* set temporary track array elements to voids */
+			for (id = 0; id < CY_NUM_MT_TCH_ID; id++) {
+				tmp_trk[id] = CY_IGNR_TCH;
+				snd_trk[id] = CY_IGNR_TCH;
+			}
+
+			/* get what is currently active */
+			for (i = 0, id = 0;
+				id < CY_NUM_TRK_ID && i < CY_NUM_MT_TCH_ID;
+				id++) {
+				if (cur_trk[id] == CY_TCH) {
+					/* only incr counter if track found */
+					tmp_trk[i] = id;
+					i++;
+				}
+			}
+			cyttsp_xdebug("T1: t0=%d, t1=%d, t2=%d, t3=%d\n", \
+				tmp_trk[0], tmp_trk[1], tmp_trk[2], \
+				tmp_trk[3]);
+			cyttsp_xdebug("T1: p0=%d, p1=%d, p2=%d, p3=%d\n", \
+				ts->prv_mt_tch[0], ts->prv_mt_tch[1], \
+				ts->prv_mt_tch[2], ts->prv_mt_tch[3]);
+
+			/* pack in still active previous touches */
+			for (id = 0, prv_tch = 0;
+				id < CY_NUM_MT_TCH_ID; id++) {
+				if (tmp_trk[id] < CY_NUM_TRK_ID) {
+					if (cyttsp_inlist(ts->prv_mt_tch,
+						tmp_trk[id], &loc,
+						CY_NUM_MT_TCH_ID)) {
+						loc &= CY_NUM_MT_TCH_ID - 1;
+						snd_trk[loc] = tmp_trk[id];
+						prv_tch++;
+						cyttsp_xdebug("inlist s[%d]=%d t[%d]=%d l=%d p=%d\n", \
+							loc, snd_trk[loc], \
+							id, tmp_trk[id], \
+							loc, prv_tch);
+					} else {
+						cyttsp_xdebug("not inlist s[%d]=%d t[%d]=%d l=%d \n", \
+							id, snd_trk[id], \
+							id, tmp_trk[id], \
+							loc);
+					}
+				}
+			}
+			cyttsp_xdebug("S1: s0=%d, s1=%d, s2=%d, s3=%d p=%d\n", \
+				snd_trk[0], snd_trk[1], snd_trk[2], \
+				snd_trk[3], prv_tch);
+
+			/* pack in new touches */
+			for (id = 0; id < CY_NUM_MT_TCH_ID; id++) {
+				if (tmp_trk[id] < CY_NUM_TRK_ID) {
+					if (!cyttsp_inlist(snd_trk, tmp_trk[id], &loc, CY_NUM_MT_TCH_ID)) {
+						cyttsp_xdebug("not inlist t[%d]=%d l=%d\n", \
+							id, tmp_trk[id], loc);
+						if (cyttsp_next_avail_inlist(snd_trk, &loc, CY_NUM_MT_TCH_ID)) {
+							loc &= CY_NUM_MT_TCH_ID - 1;
+							snd_trk[loc] = tmp_trk[id];
+							cyttsp_xdebug("put inlist s[%d]=%d t[%d]=%d\n",
+								loc, snd_trk[loc], id, tmp_trk[id]);
+						}
+					} else {
+						cyttsp_xdebug("is in list s[%d]=%d t[%d]=%d loc=%d\n", \
+							id, snd_trk[id], id, tmp_trk[id], loc);
+					}
+				}
+			}
+			cyttsp_xdebug("S2: s0=%d, s1=%d, s2=%d, s3=%d\n", \
+				snd_trk[0], snd_trk[1],
+				snd_trk[2], snd_trk[3]);
+
+			/* sync motion event signals for each current touch */
+			for (id = 0; id < CY_NUM_MT_TCH_ID; id++) {
+				/* z will either be 0 (NOTOUCH) or
+				 * some pressure (TOUCH) */
+				cyttsp_xdebug("MT0 prev[%d]=%d temp[%d]=%d send[%d]=%d\n", \
+					id, ts->prv_mt_tch[id], \
+					id, tmp_trk[id], \
+					id, snd_trk[id]);
+				if (snd_trk[id] < CY_NUM_TRK_ID) {
+					input_report_abs(ts->input,
+						ABS_MT_TOUCH_MAJOR,
+						cur_mt_z[snd_trk[id]]);
+					input_report_abs(ts->input,
+						ABS_MT_WIDTH_MAJOR,
+						curr_tool_width);
+					input_report_abs(ts->input,
+						ABS_MT_POSITION_X,
+						cur_mt_pos[snd_trk[id]][CY_XPOS]);
+					input_report_abs(ts->input,
+						ABS_MT_POSITION_Y,
+						cur_mt_pos[snd_trk[id]][CY_YPOS]);
+					CY_MT_SYNC(ts->input);
+					cyttsp_debug("MT1->TID:%2d X:%3d Y:%3d Z:%3d touch-sent\n", \
+						snd_trk[id], \
+						cur_mt_pos[snd_trk[id]][CY_XPOS], \
+						cur_mt_pos[snd_trk[id]][CY_YPOS], \
+						cur_mt_z[snd_trk[id]]);
+				} else if (ts->prv_mt_tch[id] < CY_NUM_TRK_ID) {
+					/* void out this touch */
+					input_report_abs(ts->input,
+						ABS_MT_TOUCH_MAJOR,
+						CY_NTCH);
+					input_report_abs(ts->input,
+						ABS_MT_WIDTH_MAJOR,
+						curr_tool_width);
+					input_report_abs(ts->input,
+						ABS_MT_POSITION_X,
+						ts->prv_mt_pos[ts->prv_mt_tch[id]][CY_XPOS]);
+					input_report_abs(ts->input,
+						ABS_MT_POSITION_Y,
+						ts->prv_mt_pos[ts->prv_mt_tch[id]][CY_YPOS]);
+					CY_MT_SYNC(ts->input);
+					cyttsp_debug("MT2->TID:%2d X:%3d Y:%3d Z:%3d lift off-sent\n", \
+						ts->prv_mt_tch[id], \
+						ts->prv_mt_pos[ts->prv_mt_tch[id]][CY_XPOS], \
+						ts->prv_mt_pos[ts->prv_mt_tch[id]][CY_YPOS], \
+						CY_NTCH);
+				} else {
+					/* do not stuff any signals for this
+					 * previously and currently
+					 * void touches */
+					cyttsp_xdebug("MT3->send[%d]=%d - No touch - NOT sent\n", \
+							id, snd_trk[id]);
+				}
+			}
+
+			/* save current posted tracks to
+			 * previous track memory */
+			for (id = 0; id < CY_NUM_MT_TCH_ID; id++) {
+				ts->prv_mt_tch[id] = snd_trk[id];
+				ts->prv_mt_pos[snd_trk[id]][CY_XPOS] =
+					cur_mt_pos[snd_trk[id]][CY_XPOS];
+				ts->prv_mt_pos[snd_trk[id]][CY_YPOS] =
+					cur_mt_pos[snd_trk[id]][CY_YPOS];
+				cyttsp_xdebug("MT4->TID:%2d X:%3d Y:%3d Z:%3d save for previous\n", \
+					snd_trk[id], \
+					ts->prv_mt_pos[snd_trk[id]][CY_XPOS], \
+					ts->prv_mt_pos[snd_trk[id]][CY_YPOS], \
+					CY_NTCH);
+			}
+			for (id = 0; id < CY_NUM_TRK_ID; id++)
+				ts->act_trk[id] = CY_NTCH;
+			for (id = 0; id < CY_NUM_MT_TCH_ID; id++) {
+				if (snd_trk[id] < CY_NUM_TRK_ID)
+					ts->act_trk[snd_trk[id]] = CY_TCH;
+			}
+		}
+	}
+
+	/* handle gestures */
+	if (ts->platform_data->use_gestures) {
+		if (g_xy_data.gest_id) {
+			input_report_key(ts->input,
+				BTN_3, CY_TCH);
+			input_report_abs(ts->input,
+				ABS_HAT1X, g_xy_data.gest_id);
+			input_report_abs(ts->input,
+				ABS_HAT2Y, g_xy_data.gest_cnt);
+		}
+	}
+
+	/* signal the view motion event */
+	input_sync(ts->input);
+
+	for (id = 0; id < CY_NUM_TRK_ID; id++) {
+		/* update platform data for the current MT information */
+		ts->act_trk[id] = cur_trk[id];
+	}
+
+exit_xy_worker:
+	if (cyttsp_disable_touch) {
+		/* Turn off the touch interrupts */
+		cyttsp_debug("Not enabling touch\n");
+	} else {
+		if (ts->client->irq == 0) {
+			/* restart event timer */
+			mod_timer(&ts->timer, jiffies + TOUCHSCREEN_TIMEOUT);
+		} else {
+			/* re-enable the interrupt after processing */
+			enable_irq(ts->client->irq);
+		}
+	}
+	return;
+}
+
+static int cyttsp_inlist(u16 prev_track[], u8 cur_trk_id,
+			u8 *prev_loc, u8 num_touches)
+{
+	u8 id = 0;
+
+	*prev_loc = CY_IGNR_TCH;
+
+		cyttsp_xdebug("IN p[%d]=%d c=%d n=%d loc=%d\n", \
+			id, prev_track[id], cur_trk_id, \
+			num_touches, *prev_loc);
+	for (id = 0, *prev_loc = CY_IGNR_TCH;
+		(id < num_touches); id++) {
+		cyttsp_xdebug("p[%d]=%d c=%d n=%d loc=%d\n", \
+			id, prev_track[id], cur_trk_id, \
+			num_touches, *prev_loc);
+		if (prev_track[id] == cur_trk_id) {
+			*prev_loc = id;
+			break;
+		}
+	}
+	cyttsp_xdebug("OUT p[%d]=%d c=%d n=%d loc=%d\n", \
+		id, prev_track[id], cur_trk_id, num_touches, *prev_loc);
+
+	return ((*prev_loc < CY_NUM_TRK_ID) ? true : false);
+}
+
+static int cyttsp_next_avail_inlist(u16 cur_trk[],
+			u8 *new_loc, u8 num_touches)
+{
+	u8 id;
+
+	for (id = 0, *new_loc = CY_IGNR_TCH;
+		(id < num_touches); id++) {
+		if (cur_trk[id] > CY_NUM_TRK_ID) {
+			*new_loc = id;
+			break;
+		}
+	}
+
+	return ((*new_loc < CY_NUM_TRK_ID) ? true : false);
+}
+
+/* Timer function used as dummy interrupt driver */
+static void cyttsp_timer(unsigned long handle)
+{
+	struct cyttsp *ts = (struct cyttsp *) handle;
+
+	cyttsp_xdebug("TTSP Device timer event\n");
+
+	/* schedule motion signal handling */
+	queue_work(cyttsp_ts_wq, &ts->work);
+
+	return;
+}
+
+
+
+/* ************************************************************************
+ * ISR function. This function is general, initialized in drivers init
+ * function
+ * ************************************************************************ */
+static irqreturn_t cyttsp_irq(int irq, void *handle)
+{
+	struct cyttsp *ts = (struct cyttsp *) handle;
+
+	cyttsp_xdebug("%s: Got IRQ\n", CY_I2C_NAME);
+
+	/* disable further interrupts until this interrupt is processed */
+	disable_irq_nosync(ts->client->irq);
+
+	/* schedule motion signal handling */
+	queue_work(cyttsp_ts_wq, &ts->work);
+	return IRQ_HANDLED;
+}
+
+/* ************************************************************************
+ * Probe initialization functions
+ * ************************************************************************ */
+static int cyttsp_putbl(struct cyttsp *ts, int show,
+			int show_status, int show_version, int show_cid)
+{
+	int retval = CY_OK;
+
+	int num_bytes = (show_status * 3) + (show_version * 6) + (show_cid * 3);
+
+	if (show_cid)
+		num_bytes = sizeof(struct cyttsp_bootloader_data_t);
+	else if (show_version)
+		num_bytes = sizeof(struct cyttsp_bootloader_data_t) - 3;
+	else
+		num_bytes = sizeof(struct cyttsp_bootloader_data_t) - 9;
+
+	if (show) {
+		retval = i2c_smbus_read_i2c_block_data(ts->client,
+			CY_REG_BASE, num_bytes, (u8 *)&g_bl_data);
+		if (show_status) {
+			cyttsp_debug("BL%d: f=%02X s=%02X err=%02X bl=%02X%02X bld=%02X%02X\n", \
+				show, \
+				g_bl_data.bl_file, \
+				g_bl_data.bl_status, \
+				g_bl_data.bl_error, \
+				g_bl_data.blver_hi, g_bl_data.blver_lo, \
+				g_bl_data.bld_blver_hi, g_bl_data.bld_blver_lo);
+		}
+		if (show_version) {
+			cyttsp_debug("BL%d: ttspver=0x%02X%02X appid=0x%02X%02X appver=0x%02X%02X\n", \
+				show, \
+				g_bl_data.ttspver_hi, g_bl_data.ttspver_lo, \
+				g_bl_data.appid_hi, g_bl_data.appid_lo, \
+				g_bl_data.appver_hi, g_bl_data.appver_lo);
+		}
+		if (show_cid) {
+			cyttsp_debug("BL%d: cid=0x%02X%02X%02X\n", \
+				show, \
+				g_bl_data.cid_0, \
+				g_bl_data.cid_1, \
+				g_bl_data.cid_2);
+		}
+		mdelay(CY_DLY_DFLT);
+	}
+
+	return retval;
+}
+
+#ifdef CY_INCLUDE_LOAD_FILE
+#define CY_MAX_I2C_LEN	256
+#define CY_MAX_TRY		10
+#define CY_BL_PAGE_SIZE	16
+#define CY_BL_NUM_PAGES	5
+static int cyttsp_i2c_wr_blk_data(struct i2c_client *client, u8 command,
+			       u8 length, const u8 *values)
+{
+	int retval = CY_OK;
+
+	u8 dataray[CY_MAX_I2C_LEN];
+	u8 try;
+	dataray[0] = command;
+	if (length)
+		memcpy(&dataray[1], values, length);
+
+	try = CY_MAX_TRY;
+	do {
+		retval = i2c_master_send(client, dataray, length+1);
+		mdelay(CY_DLY_DFLT*2);
+	} while ((retval != length+1) && try--);
+
+	return retval;
+}
+
+static int cyttsp_i2c_wr_blk_chunks(struct cyttsp *ts, u8 command,
+			       u8 length, const u8 *values)
+{
+	int retval = CY_OK;
+	int block = 1;
+
+	u8 dataray[CY_MAX_I2C_LEN];
+
+	/* first page already includes the bl page offset */
+	retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE,
+		CY_BL_PAGE_SIZE+1, values);
+	mdelay(10);
+	values += CY_BL_PAGE_SIZE+1;
+	length -= CY_BL_PAGE_SIZE+1;
+
+	/* rem blocks require bl page offset stuffing */
+	while (length &&
+		(block < CY_BL_NUM_PAGES) &&
+		!(retval < CY_OK)) {
+		dataray[0] = CY_BL_PAGE_SIZE*block;
+		memcpy(&dataray[1], values,
+			length >= CY_BL_PAGE_SIZE ?
+			CY_BL_PAGE_SIZE : length);
+		retval = i2c_smbus_write_i2c_block_data(ts->client,
+			CY_REG_BASE,
+			length >= CY_BL_PAGE_SIZE ?
+			CY_BL_PAGE_SIZE + 1 : length+1, dataray);
+		mdelay(10);
+		values += CY_BL_PAGE_SIZE;
+		length = length >= CY_BL_PAGE_SIZE ?
+			length - CY_BL_PAGE_SIZE : 0;
+		block++;
+	}
+
+	return retval;
+}
+
+static int cyttsp_bootload_app(struct cyttsp *ts)
+{
+	int retval = CY_OK;
+	int i, tries;
+	u8 host_reg;
+
+	cyttsp_debug("load new firmware \n");
+	/* reset TTSP Device back to bootloader mode */
+	host_reg = CY_SOFT_RESET_MODE;
+	retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE,
+		sizeof(host_reg), &host_reg);
+	/* wait for TTSP Device to complete reset back to bootloader */
+	mdelay(1000);
+	cyttsp_putbl(ts, 3, true, true, true);
+	cyttsp_debug("load file - tver=0x%02X%02X a_id=0x%02X%02X aver=0x%02X%02X\n", \
+		cyttsp_fw_tts_verh, cyttsp_fw_tts_verl, \
+		cyttsp_fw_app_idh, cyttsp_fw_app_idl, \
+		cyttsp_fw_app_verh, cyttsp_fw_app_verl);
+
+	/* download new TTSP Application to the Bootloader */
+	if (!(retval < CY_OK)) {
+		i = 0;
+		/* send bootload initiation command */
+		if (cyttsp_fw[i].Command == CY_BL_INIT_LOAD) {
+			g_bl_data.bl_file = 0;
+			g_bl_data.bl_status = 0;
+			g_bl_data.bl_error = 0;
+			retval = i2c_smbus_write_i2c_block_data(ts->client,
+				CY_REG_BASE,
+				cyttsp_fw[i].Length, cyttsp_fw[i].Block);
+			/* delay to allow bl to get ready for block writes */
+			i++;
+			tries = 0;
+			cyttsp_debug("wait init f=%02X, s=%02X, e=%02X t=%d\n", \
+				g_bl_data.bl_file, g_bl_data.bl_status, \
+				g_bl_data.bl_error, tries);
+			do {
+				mdelay(1000);
+				cyttsp_putbl(ts, 4, true, false, false);
+			} while (g_bl_data.bl_status != 0x10 &&
+				g_bl_data.bl_status != 0x11 &&
+				tries++ < 10);
+			/* send bootload firmware load blocks */
+			if (!(retval < CY_OK)) {
+				while (cyttsp_fw[i].Command == CY_BL_WRITE_BLK) {
+					retval = cyttsp_i2c_wr_blk_chunks(ts,
+						CY_REG_BASE,
+						cyttsp_fw[i].Length,
+						cyttsp_fw[i].Block);
+					/* bl requires dly after blocks */
+					mdelay(100);
+					cyttsp_debug("BL DNLD Rec=% 3d Len=% 3d Addr=%04X\n", \
+						cyttsp_fw[i].Record, \
+						cyttsp_fw[i].Length, \
+						cyttsp_fw[i].Address);
+					i++;
+					if (retval < CY_OK) {
+						cyttsp_debug("BL fail Rec=%3d retval=%d\n", \
+							cyttsp_fw[i-1].Record, \
+							retval);
+						break;
+					} else {
+						/* reset TTSP I2C counter */
+						retval = cyttsp_i2c_wr_blk_data(ts->client,
+							CY_REG_BASE,
+							0, NULL);
+						mdelay(10);
+						cyttsp_putbl(ts, 5,
+							true, false, false);
+					}
+				}
+				if (!(retval < CY_OK)) {
+					while (i < cyttsp_fw_records) {
+						retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE,
+							cyttsp_fw[i].Length,
+							cyttsp_fw[i].Block);
+						i++;
+						tries = 0;
+						cyttsp_debug("wait init f=%02X, s=%02X, e=%02X t=%d\n", \
+							g_bl_data.bl_file, \
+							g_bl_data.bl_status, \
+							g_bl_data.bl_error, \
+							tries);
+						do {
+							mdelay(1000);
+							cyttsp_putbl(ts, 6, true, false, false);
+						} while (g_bl_data.bl_status != 0x10 &&
+							g_bl_data.bl_status != 0x11 &&
+							tries++ < 10);
+						cyttsp_putbl(ts, 7, true, false,
+							false);
+						if (retval < CY_OK)
+							break;
+					}
+				}
+			}
+		}
+	}
+
+	/* reset TTSP Device back to bootloader mode */
+	host_reg = CY_SOFT_RESET_MODE;
+	retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE,
+		sizeof(host_reg), &host_reg);
+	/* wait for TTSP Device to complete reset back to bootloader */
+	mdelay(1000);
+
+	/* set arg2 to non-0 to activate */
+	retval = cyttsp_putbl(ts, 8, true, true, true);
+
+	return retval;
+}
+#else
+static int cyttsp_bootload_app(struct cyttsp *ts)
+{
+	cyttsp_debug("no-load new firmware \n");
+	return CY_OK;
+}
+#endif /* CY_INCLUDE_LOAD_FILE */
+
+
+static int cyttsp_power_on(struct cyttsp *ts)
+{
+	int retval = CY_OK;
+	u8 host_reg;
+	int tries;
+
+	cyttsp_debug("Power up \n");
+
+	/* check if the TTSP device has a bootloader installed */
+	host_reg = CY_SOFT_RESET_MODE;
+	retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE,
+		sizeof(host_reg), &host_reg);
+	tries = 0;
+	do {
+		mdelay(1000);
+
+		/* set arg2 to non-0 to activate */
+		retval = cyttsp_putbl(ts, 1, true, true, true);
+		cyttsp_info("BL%d: f=%02X s=%02X err=%02X bl=%02X%02X bld=%02X%02X R=%d\n", \
+			101, \
+			g_bl_data.bl_file, g_bl_data.bl_status, \
+			g_bl_data.bl_error, \
+			g_bl_data.blver_hi, g_bl_data.blver_lo, \
+			g_bl_data.bld_blver_hi, g_bl_data.bld_blver_lo,
+			retval);
+		cyttsp_info("BL%d: tver=%02X%02X a_id=%02X%02X aver=%02X%02X\n", \
+			102, \
+			g_bl_data.ttspver_hi, g_bl_data.ttspver_lo, \
+			g_bl_data.appid_hi, g_bl_data.appid_lo, \
+			g_bl_data.appver_hi, g_bl_data.appver_lo);
+		cyttsp_info("BL%d: c_id=%02X%02X%02X\n", \
+			103, \
+			g_bl_data.cid_0, g_bl_data.cid_1, g_bl_data.cid_2);
+	} while (!(retval < CY_OK) &&
+		!GET_BOOTLOADERMODE(g_bl_data.bl_status) &&
+		!(g_bl_data.bl_file == CY_OP_MODE + CY_LOW_PWR_MODE) &&
+		tries++ < 10);
+
+	/* is bootloader missing? */
+	if (!(retval < CY_OK)) {
+		cyttsp_xdebug("Ret=%d  Check if bootloader is missing...\n", \
+			retval);
+		if (!GET_BOOTLOADERMODE(g_bl_data.bl_status)) {
+			/* skip all bl and sys info and go to op mode */
+			if (!(retval < CY_OK)) {
+				cyttsp_xdebug("Bl is missing (ret=%d)\n", \
+					retval);
+				host_reg = CY_OP_MODE/* + CY_LOW_PWR_MODE*/;
+				retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE,
+					sizeof(host_reg), &host_reg);
+				/* wait for TTSP Device to complete switch to
+				 * Operational mode */
+				mdelay(1000);
+				goto bypass;
+			}
+		}
+	}
+
+
+	/* take TTSP out of bootloader mode; go to TrueTouch operational mode */
+	if (!(retval < CY_OK)) {
+		cyttsp_xdebug1("exit bootloader; go operational\n");
+		retval = i2c_smbus_write_i2c_block_data(ts->client,
+			CY_REG_BASE, sizeof(bl_cmd), bl_cmd);
+		tries = 0;
+		do {
+			mdelay(1000);
+			cyttsp_putbl(ts, 4, true, false, false);
+			cyttsp_info("BL%d: f=%02X s=%02X err=%02X bl=%02X%02X bld=%02X%02X\n", \
+				104, \
+				g_bl_data.bl_file, g_bl_data.bl_status, \
+				g_bl_data.bl_error, \
+				g_bl_data.blver_hi, g_bl_data.blver_lo, \
+				g_bl_data.bld_blver_hi, g_bl_data.bld_blver_lo);
+		} while (GET_BOOTLOADERMODE(g_bl_data.bl_status) &&
+			tries++ < 10);
+	}
+
+
+
+	if (!(retval < CY_OK) &&
+		cyttsp_app_load()) {
+		mdelay(1000);
+		if (CY_DIFF(g_bl_data.ttspver_hi, cyttsp_tts_verh())  ||
+			CY_DIFF(g_bl_data.ttspver_lo, cyttsp_tts_verl())  ||
+			CY_DIFF(g_bl_data.appid_hi, cyttsp_app_idh())  ||
+			CY_DIFF(g_bl_data.appid_lo, cyttsp_app_idl())  ||
+			CY_DIFF(g_bl_data.appver_hi, cyttsp_app_verh())  ||
+			CY_DIFF(g_bl_data.appver_lo, cyttsp_app_verl())  ||
+			CY_DIFF(g_bl_data.cid_0, cyttsp_cid_0())  ||
+			CY_DIFF(g_bl_data.cid_1, cyttsp_cid_1())  ||
+			CY_DIFF(g_bl_data.cid_2, cyttsp_cid_2())  ||
+			cyttsp_force_fw_load()) {
+			cyttsp_debug("blttsp=0x%02X%02X flttsp=0x%02X%02X force=%d\n", \
+				g_bl_data.ttspver_hi, g_bl_data.ttspver_lo, \
+				cyttsp_tts_verh(), cyttsp_tts_verl(), \
+				cyttsp_force_fw_load());
+			cyttsp_debug("blappid=0x%02X%02X flappid=0x%02X%02X\n", \
+				g_bl_data.appid_hi, g_bl_data.appid_lo, \
+				cyttsp_app_idh(), cyttsp_app_idl());
+			cyttsp_debug("blappver=0x%02X%02X flappver=0x%02X%02X\n", \
+				g_bl_data.appver_hi, g_bl_data.appver_lo, \
+				cyttsp_app_verh(), cyttsp_app_verl());
+			cyttsp_debug("blcid=0x%02X%02X%02X flcid=0x%02X%02X%02X\n", \
+				g_bl_data.cid_0, \
+				g_bl_data.cid_1, \
+				g_bl_data.cid_2, \
+				cyttsp_cid_0(), \
+				cyttsp_cid_1(), \
+				cyttsp_cid_2());
+			/* enter bootloader to load new app into TTSP Device */
+			retval = cyttsp_bootload_app(ts);
+			/* take TTSP device out of bootloader mode;
+			 * switch back to TrueTouch operational mode */
+			if (!(retval < CY_OK)) {
+				retval = i2c_smbus_write_i2c_block_data(ts->client,
+					CY_REG_BASE,
+					sizeof(bl_cmd), bl_cmd);
+				/* wait for TTSP Device to complete
+				 * switch to Operational mode */
+				mdelay(1000);
+			}
+		}
+	}
+
+bypass:
+	/* switch to System Information mode to read versions
+	 * and set interval registers */
+	if (!(retval < CY_OK)) {
+		cyttsp_debug("switch to sysinfo mode \n");
+		host_reg = CY_SYSINFO_MODE;
+		retval = i2c_smbus_write_i2c_block_data(ts->client,
+			CY_REG_BASE, sizeof(host_reg), &host_reg);
+		/* wait for TTSP Device to complete switch to SysInfo mode */
+		mdelay(1000);
+		if (!(retval < CY_OK)) {
+			retval = i2c_smbus_read_i2c_block_data(ts->client,
+				CY_REG_BASE,
+				sizeof(struct cyttsp_sysinfo_data_t),
+				(u8 *)&g_sysinfo_data);
+			cyttsp_debug("SI2: hst_mode=0x%02X mfg_cmd=0x%02X mfg_stat=0x%02X\n", \
+				g_sysinfo_data.hst_mode, \
+				g_sysinfo_data.mfg_cmd, \
+				g_sysinfo_data.mfg_stat);
+			cyttsp_debug("SI2: bl_ver=0x%02X%02X\n", \
+				g_sysinfo_data.bl_verh, \
+				g_sysinfo_data.bl_verl);
+			cyttsp_debug("SI2: sysinfo act_int=0x%02X tch_tmout=0x%02X lp_int=0x%02X\n", \
+				g_sysinfo_data.act_intrvl, \
+				g_sysinfo_data.tch_tmout, \
+				g_sysinfo_data.lp_intrvl);
+			cyttsp_info("SI%d: tver=%02X%02X a_id=%02X%02X aver=%02X%02X\n", \
+				102, \
+				g_sysinfo_data.tts_verh, \
+				g_sysinfo_data.tts_verl, \
+				g_sysinfo_data.app_idh, \
+				g_sysinfo_data.app_idl, \
+				g_sysinfo_data.app_verh, \
+				g_sysinfo_data.app_verl);
+			cyttsp_info("SI%d: c_id=%02X%02X%02X\n", \
+				103, \
+				g_sysinfo_data.cid[0], \
+				g_sysinfo_data.cid[1], \
+				g_sysinfo_data.cid[2]);
+			if (!(retval < CY_OK) &&
+				(CY_DIFF(ts->platform_data->act_intrvl,
+					CY_ACT_INTRVL_DFLT)  ||
+				CY_DIFF(ts->platform_data->tch_tmout,
+					CY_TCH_TMOUT_DFLT) ||
+				CY_DIFF(ts->platform_data->lp_intrvl,
+					CY_LP_INTRVL_DFLT))) {
+				if (!(retval < CY_OK)) {
+					u8 intrvl_ray[sizeof(ts->platform_data->act_intrvl) +
+						sizeof(ts->platform_data->tch_tmout) +
+						sizeof(ts->platform_data->lp_intrvl)];
+					u8 i = 0;
+
+					intrvl_ray[i++] =
+						ts->platform_data->act_intrvl;
+					intrvl_ray[i++] =
+						ts->platform_data->tch_tmout;
+					intrvl_ray[i++] =
+						ts->platform_data->lp_intrvl;
+
+					cyttsp_debug("SI2: platinfo act_intrvl=0x%02X tch_tmout=0x%02X lp_intrvl=0x%02X\n", \
+						ts->platform_data->act_intrvl, \
+						ts->platform_data->tch_tmout, \
+						ts->platform_data->lp_intrvl);
+					/* set intrvl registers */
+					retval = i2c_smbus_write_i2c_block_data(
+						ts->client,
+						CY_REG_ACT_INTRVL,
+						sizeof(intrvl_ray), intrvl_ray);
+					mdelay(CY_DLY_SYSINFO);
+				}
+			}
+		}
+		/* switch back to Operational mode */
+		cyttsp_debug("switch back to operational mode \n");
+		if (!(retval < CY_OK)) {
+			host_reg = CY_OP_MODE/* + CY_LOW_PWR_MODE*/;
+			retval = i2c_smbus_write_i2c_block_data(ts->client,
+				CY_REG_BASE,
+				sizeof(host_reg), &host_reg);
+			/* wait for TTSP Device to complete
+			 * switch to Operational mode */
+			mdelay(1000);
+		}
+	}
+	/* init gesture setup;
+	 * this is required even if not using gestures
+	 * in order to set the active distance */
+	if (!(retval < CY_OK)) {
+		u8 gesture_setup;
+		cyttsp_debug("init gesture setup \n");
+		gesture_setup = ts->platform_data->gest_set;
+		retval = i2c_smbus_write_i2c_block_data(ts->client,
+			CY_REG_GEST_SET,
+			sizeof(gesture_setup), &gesture_setup);
+		mdelay(CY_DLY_DFLT);
+	}
+
+	if (!(retval < CY_OK))
+		ts->platform_data->power_state = CY_ACTIVE_STATE;
+	else
+		ts->platform_data->power_state = CY_IDLE_STATE;
+
+	cyttsp_debug("Retval=%d Power state is %s\n", \
+		retval, \
+		ts->platform_data->power_state == CY_ACTIVE_STATE ? \
+		 "ACTIVE" : "IDLE");
+
+	return retval;
+}
+
+/* cyttsp_initialize: Driver Initialization. This function takes
+ * care of the following tasks:
+ * 1. Create and register an input device with input layer
+ * 2. Take CYTTSP device out of bootloader mode; go operational
+ * 3. Start any timers/Work queues.  */
+static int cyttsp_initialize(struct i2c_client *client, struct cyttsp *ts)
+{
+	struct input_dev *input_device;
+	int error = 0;
+	int retval = CY_OK;
+	u8 id;
+
+	/* Create the input device and register it. */
+	input_device = input_allocate_device();
+	if (!input_device) {
+		error = -ENOMEM;
+		cyttsp_xdebug1("err input allocate device\n");
+		goto error_free_device;
+	}
+
+	if (!client) {
+		error = ~ENODEV;
+		cyttsp_xdebug1("err client is Null\n");
+		goto error_free_device;
+	}
+
+	if (!ts) {
+		error = ~ENODEV;
+		cyttsp_xdebug1("err context is Null\n");
+		goto error_free_device;
+	}
+
+	ts->input = input_device;
+	input_device->name = CY_I2C_NAME;
+	input_device->phys = ts->phys;
+	input_device->dev.parent = &client->dev;
+
+	/* init the touch structures */
+	ts->num_prv_st_tch = CY_NTCH;
+	for (id = 0; id < CY_NUM_TRK_ID; id++) {
+		ts->act_trk[id] = CY_NTCH;
+		ts->prv_mt_pos[id][CY_XPOS] = 0;
+		ts->prv_mt_pos[id][CY_YPOS] = 0;
+	}
+
+	for (id = 0; id < CY_NUM_MT_TCH_ID; id++)
+		ts->prv_mt_tch[id] = CY_IGNR_TCH;
+
+	for (id = 0; id < CY_NUM_ST_TCH_ID; id++)
+		ts->prv_st_tch[id] = CY_IGNR_TCH;
+
+	set_bit(EV_SYN, input_device->evbit);
+	set_bit(EV_KEY, input_device->evbit);
+	set_bit(EV_ABS, input_device->evbit);
+	set_bit(BTN_TOUCH, input_device->keybit);
+	set_bit(BTN_2, input_device->keybit);
+	if (ts->platform_data->use_gestures)
+		set_bit(BTN_3, input_device->keybit);
+
+	input_set_abs_params(input_device,
+		ABS_X, 0, ts->platform_data->maxx, 0, 0);
+	input_set_abs_params(input_device,
+		ABS_Y, 0, ts->platform_data->maxy, 0, 0);
+	input_set_abs_params(input_device,
+		ABS_TOOL_WIDTH, 0, CY_LARGE_TOOL_WIDTH, 0 , 0);
+	input_set_abs_params(input_device,
+		ABS_PRESSURE, 0, CY_MAXZ, 0, 0);
+	input_set_abs_params(input_device,
+		ABS_HAT0X, 0, ts->platform_data->maxx, 0, 0);
+	input_set_abs_params(input_device,
+		ABS_HAT0Y, 0, ts->platform_data->maxy, 0, 0);
+	if (ts->platform_data->use_gestures) {
+		input_set_abs_params(input_device,
+			ABS_HAT1X, 0, CY_MAXZ, 0, 0);
+		input_set_abs_params(input_device,
+			ABS_HAT1Y, 0, CY_MAXZ, 0, 0);
+	}
+	if (ts->platform_data->use_mt) {
+		input_set_abs_params(input_device,
+			ABS_MT_POSITION_X, 0, ts->platform_data->maxx, 0, 0);
+		input_set_abs_params(input_device,
+			ABS_MT_POSITION_Y, 0, ts->platform_data->maxy, 0, 0);
+		input_set_abs_params(input_device,
+			ABS_MT_TOUCH_MAJOR, 0, CY_MAXZ, 0, 0);
+		input_set_abs_params(input_device,
+			ABS_MT_WIDTH_MAJOR, 0, CY_LARGE_TOOL_WIDTH, 0, 0);
+		if (ts->platform_data->use_trk_id) {
+			input_set_abs_params(input_device,
+				ABS_MT_TRACKING_ID, 0, CY_NUM_TRK_ID, 0, 0);
+		}
+	}
+
+	/* set dummy key to make driver work with virtual keys */
+	input_set_capability(input_device, EV_KEY, KEY_PROG1);
+
+	cyttsp_info("%s: Register input device\n", CY_I2C_NAME);
+	error = input_register_device(input_device);
+	if (error) {
+		cyttsp_alert("%s: Failed to register input device\n", \
+			CY_I2C_NAME);
+		retval = error;
+		goto error_free_device;
+	}
+
+	/* Prepare our worker structure prior to setting up the timer/ISR */
+	INIT_WORK(&ts->work, cyttsp_xy_worker);
+
+	/* Power on the chip and make sure that I/Os are set as specified
+	 * in the platform */
+	if (ts->platform_data->init)
+		retval = ts->platform_data->init(client);
+
+	if (!(retval < CY_OK))
+		retval = cyttsp_power_on(ts);
+
+	if (retval < 0)
+		goto error_free_device;
+
+	/* Timer or Interrupt setup */
+	if (ts->client->irq == 0) {
+		cyttsp_info("Setting up timer\n");
+		setup_timer(&ts->timer, cyttsp_timer, (unsigned long) ts);
+		mod_timer(&ts->timer, jiffies + TOUCHSCREEN_TIMEOUT);
+	} else {
+		cyttsp_info("Setting up interrupt\n");
+		/* request_irq() will also call enable_irq() */
+		error = request_irq(client->irq, cyttsp_irq,
+			IRQF_TRIGGER_FALLING,
+			client->dev.driver->name, ts);
+		if (error) {
+			cyttsp_alert("error: could not request irq\n");
+			retval = error;
+			goto error_free_irq;
+		}
+	}
+
+	irq_cnt = 0;
+	irq_cnt_total = 0;
+	irq_err_cnt = 0;
+
+	atomic_set(&ts->irq_enabled, 1);
+	retval = device_create_file(&ts->client->dev, &dev_attr_irq_enable);
+	if (retval < CY_OK) {
+		cyttsp_alert("File device creation failed: %d\n", retval);
+		retval = -ENODEV;
+		goto error_free_irq;
+	}
+
+	cyttsp_info("%s: Successful registration\n", CY_I2C_NAME);
+	goto success;
+
+error_free_irq:
+	cyttsp_alert("Error: Failed to register IRQ handler\n");
+	free_irq(client->irq, ts);
+
+error_free_device:
+	if (input_device)
+		input_free_device(input_device);
+
+success:
+	return retval;
+}
+
+/* I2C driver probe function */
+static int __devinit cyttsp_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
+{
+	struct cyttsp *ts;
+	int error;
+	int retval = CY_OK;
+
+	cyttsp_info("Start Probe 1.2\n");
+
+	/* allocate and clear memory */
+	ts = kzalloc(sizeof(struct cyttsp), GFP_KERNEL);
+	if (ts == NULL) {
+		cyttsp_xdebug1("err kzalloc for cyttsp\n");
+		retval = -ENOMEM;
+	}
+
+	if (!(retval < CY_OK)) {
+		/* register driver_data */
+		ts->client = client;
+		ts->platform_data = client->dev.platform_data;
+		i2c_set_clientdata(client, ts);
+
+		error = cyttsp_initialize(client, ts);
+		if (error) {
+			cyttsp_xdebug1("err cyttsp_initialize\n");
+			if (ts != NULL) {
+				/* deallocate memory */
+				kfree(ts);
+			}
+/*
+			i2c_del_driver(&cyttsp_driver);
+*/
+			retval = -ENODEV;
+		} else
+			cyttsp_openlog();
+	}
+
+#ifdef CONFIG_HAS_EARLYSUSPEND
+	if (!(retval < CY_OK)) {
+		ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
+		ts->early_suspend.suspend = cyttsp_early_suspend;
+		ts->early_suspend.resume = cyttsp_late_resume;
+		register_early_suspend(&ts->early_suspend);
+	}
+#endif /* CONFIG_HAS_EARLYSUSPEND */
+
+	cyttsp_info("Start Probe %s\n", \
+		(retval < CY_OK) ? "FAIL" : "PASS");
+
+	return retval;
+}
+
+/* Function to manage power-on resume */
+static int cyttsp_resume(struct i2c_client *client)
+{
+	struct cyttsp *ts;
+	int retval = CY_OK;
+
+	cyttsp_debug("Wake Up\n");
+	ts = (struct cyttsp *) i2c_get_clientdata(client);
+
+	/* re-enable the interrupt prior to wake device */
+	if (ts->client->irq)
+		enable_irq(ts->client->irq);
+
+	if (ts->platform_data->use_sleep &&
+		(ts->platform_data->power_state != CY_ACTIVE_STATE)) {
+		if (ts->platform_data->resume)
+			retval = ts->platform_data->resume(client);
+		if (!(retval < CY_OK)) {
+			retval = i2c_smbus_read_i2c_block_data(ts->client,
+				CY_REG_BASE,
+				sizeof(struct cyttsp_bootloader_data_t),
+				(u8 *)&g_bl_data);
+			if (!(retval < CY_OK) &&
+				GET_BOOTLOADERMODE(g_bl_data.bl_status)) {
+				u8 tries;
+				retval = i2c_smbus_write_i2c_block_data(
+					ts->client,
+					CY_REG_BASE,
+					sizeof(bl_cmd), bl_cmd);
+				/* switch back to operational mode */
+				tries = 0;
+				mdelay(10);
+				while (GET_BOOTLOADERMODE(g_bl_data.bl_status)
+					&& tries++ < 10) {
+					mdelay(100);
+					cyttsp_putbl(ts, 16,
+						false, false, false);
+				}
+			}
+		}
+	}
+
+	if (!(retval < CY_OK) &&
+		(GET_HSTMODE(g_bl_data.bl_file) == CY_OK)) {
+		ts->platform_data->power_state = CY_ACTIVE_STATE;
+
+		/* re-enable the timer after resuming */
+		if (ts->client->irq == 0)
+			mod_timer(&ts->timer, jiffies + TOUCHSCREEN_TIMEOUT);
+	} else
+		retval = -ENODEV;
+
+	cyttsp_debug("Wake Up %s\n", \
+		(retval < CY_OK) ? "FAIL" : "PASS");
+
+	return retval;
+}
+
+
+/* Function to manage low power suspend */
+static int cyttsp_suspend(struct i2c_client *client, pm_message_t message)
+{
+	struct cyttsp *ts;
+	u8 sleep_mode = CY_OK;
+	int retval = CY_OK;
+
+	cyttsp_debug("Enter Sleep\n");
+	ts = (struct cyttsp *) i2c_get_clientdata(client);
+
+	/* disable worker */
+	if (ts->client->irq == 0)
+		del_timer(&ts->timer);
+	else
+		disable_irq_nosync(ts->client->irq);
+	retval = cancel_work_sync(&ts->work);
+
+	if (retval)
+		enable_irq(ts->client->irq);
+
+	if (!(retval < CY_OK)) {
+		if (ts->platform_data->use_sleep &&
+			(ts->platform_data->power_state == CY_ACTIVE_STATE)) {
+			if (ts->platform_data->use_sleep & CY_USE_DEEP_SLEEP_SEL)
+				sleep_mode = CY_DEEP_SLEEP_MODE;
+			else
+				sleep_mode = CY_LOW_PWR_MODE;
+
+			retval = i2c_smbus_write_i2c_block_data(ts->client,
+				CY_REG_BASE,
+				sizeof(sleep_mode), &sleep_mode);
+		}
+	}
+
+	if (!(retval < CY_OK)) {
+		if (sleep_mode == CY_DEEP_SLEEP_MODE)
+			ts->platform_data->power_state = CY_SLEEP_STATE;
+		else if (sleep_mode == CY_LOW_PWR_MODE)
+			ts->platform_data->power_state = CY_LOW_PWR_STATE;
+	}
+
+	cyttsp_debug("Sleep Power state is %s\n", \
+		(ts->platform_data->power_state == CY_ACTIVE_STATE) ? \
+		"ACTIVE" : \
+		((ts->platform_data->power_state == CY_SLEEP_STATE) ? \
+		"SLEEP" : "LOW POWER"));
+
+	return retval;
+}
+
+/* registered in driver struct */
+static int __devexit cyttsp_remove(struct i2c_client *client)
+{
+	struct cyttsp *ts;
+	int err;
+
+	cyttsp_alert("Unregister\n");
+
+	/* clientdata registered on probe */
+	ts = i2c_get_clientdata(client);
+	device_remove_file(&ts->client->dev, &dev_attr_irq_enable);
+
+	/* Start cleaning up by removing any delayed work and the timer */
+	if (cancel_delayed_work((struct delayed_work *)&ts->work) < CY_OK)
+		cyttsp_alert("error: could not remove work from workqueue\n");
+
+	/* free up timer or irq */
+	if (ts->client->irq == 0) {
+		err = del_timer(&ts->timer);
+		if (err < CY_OK)
+			cyttsp_alert("error: failed to delete timer\n");
+	} else
+		free_irq(client->irq, ts);
+
+#ifdef CONFIG_HAS_EARLYSUSPEND
+	unregister_early_suspend(&ts->early_suspend);
+#endif /* CONFIG_HAS_EARLYSUSPEND */
+
+	/* housekeeping */
+	if (ts != NULL)
+		kfree(ts);
+
+	cyttsp_alert("Leaving\n");
+
+	return 0;
+}
+
+#ifdef CONFIG_HAS_EARLYSUSPEND
+static void cyttsp_early_suspend(struct early_suspend *handler)
+{
+	struct cyttsp *ts;
+
+	ts = container_of(handler, struct cyttsp, early_suspend);
+	cyttsp_suspend(ts->client, PMSG_SUSPEND);
+}
+
+static void cyttsp_late_resume(struct early_suspend *handler)
+{
+	struct cyttsp *ts;
+
+	ts = container_of(handler, struct cyttsp, early_suspend);
+	cyttsp_resume(ts->client);
+}
+#endif  /* CONFIG_HAS_EARLYSUSPEND */
+
+static int cyttsp_init(void)
+{
+	int ret;
+
+	cyttsp_info("Cypress TrueTouch(R) Standard Product\n");
+	cyttsp_info("I2C Touchscreen Driver (Built %s @ %s)\n", \
+		__DATE__, __TIME__);
+
+	cyttsp_ts_wq = create_singlethread_workqueue("cyttsp_ts_wq");
+	if (cyttsp_ts_wq == NULL) {
+		cyttsp_debug("No memory for cyttsp_ts_wq\n");
+		return -ENOMEM;
+	}
+
+	ret = i2c_add_driver(&cyttsp_driver);
+
+	return ret;
+}
+
+static void cyttsp_exit(void)
+{
+	if (cyttsp_ts_wq)
+		destroy_workqueue(cyttsp_ts_wq);
+	return i2c_del_driver(&cyttsp_driver);
+}
+
+module_init(cyttsp_init);
+module_exit(cyttsp_exit);
+
diff --git a/include/linux/cyttsp.h b/include/linux/cyttsp.h
new file mode 100644
index 0000000..2ab1a5c
--- /dev/null
+++ b/include/linux/cyttsp.h
@@ -0,0 +1,649 @@
+/* Header file for:
+ * Cypress TrueTouch(TM) Standard Product touchscreen drivers.
+ * include/linux/cyttsp.h
+ *
+ * Copyright (C) 2009, 2010 Cypress Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2, and only 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Cypress reserves the right to make changes without further notice
+ * to the materials described herein. Cypress does not assume any
+ * liability arising out of the application described herein.
+ *
+ * Contact Cypress Semiconductor at www.cypress.com
+ *
+ */
+
+
+#ifndef __CYTTSP_H__
+#define __CYTTSP_H__
+
+#include <linux/input.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+
+#define CYPRESS_TTSP_NAME	"cyttsp"
+#define CY_I2C_NAME		"cyttsp-i2c"
+#define CY_SPI_NAME		"cyttsp-spi"
+
+#ifdef CY_DECLARE_GLOBALS
+	uint32_t cyttsp_tsdebug;
+	module_param_named(tsdebug, cyttsp_tsdebug, uint, 0664);
+	uint32_t cyttsp_tsxdebug;
+	module_param_named(tsxdebug, cyttsp_tsxdebug, uint, 0664);
+
+	uint32_t cyttsp_disable_touch;
+	module_param_named(disable_touch, cyttsp_disable_touch, uint, 0664);
+#else
+	extern uint32_t cyttsp_tsdebug;
+	extern uint32_t cyttsp_tsxdebug;
+	extern uint32_t cyttsp_disable_touch;
+#endif
+
+
+
+/******************************************************************************
+ * Global Control, Used to control the behavior of the driver
+ */
+
+/* defines for Gen2 (Txx2xx); Gen3 (Txx3xx)
+ * use these defines to set cyttsp_platform_data.gen in board config file
+ */
+#define CY_GEN2		2
+#define CY_GEN3		3
+
+/* define for using I2C driver
+ */
+#define CY_USE_I2C_DRIVER
+
+/* defines for using SPI driver */
+/*
+#define CY_USE_SPI_DRIVER
+ */
+#define CY_SPI_DFLT_SPEED_HZ		1000000
+#define CY_SPI_MAX_SPEED_HZ		4000000
+#define CY_SPI_SPEED_HZ			CY_SPI_DFLT_SPEED_HZ
+#define CY_SPI_BITS_PER_WORD		8
+#define CY_SPI_DAV			139	/* set correct gpio id */
+#define CY_SPI_BUFSIZE			512
+
+
+/* define for inclusion of TTSP App Update Load File
+ * use this define if update to the TTSP Device is desired
+ */
+/*
+#define CY_INCLUDE_LOAD_FILE
+*/
+
+/* define if force new load file for bootloader load */
+/*
+#define CY_FORCE_FW_UPDATE
+*/
+
+/* undef for production use */
+/*
+ */
+#define CY_USE_DEBUG
+
+/* undef for irq use; use this define in the board configuration file */
+/*
+#define CY_USE_TIMER
+ */
+
+/* undef to allow use of extra debug capability */
+/*
+#define CY_ALLOW_EXTRA_DEBUG
+*/
+
+/* undef to remove additional debug prints */
+/*
+#define CY_USE_EXTRA_DEBUG
+*/
+
+/* undef to remove additional debug prints */
+/*
+#define CY_USE_EXTRA_DEBUG1
+ */
+
+/* undef to use operational touch timer jiffies; else use test jiffies */
+/*
+#define CY_USE_TIMER_DEBUG
+ */
+
+/* define to use canned test data */
+/*
+#define CY_USE_TEST_DATA
+ */
+
+/* define to activate power management */
+/*
+#define CY_USE_LOW_POWER
+ */
+
+/* define if wake on i2c addr is activated */
+/*
+#define CY_USE_DEEP_SLEEP
+ */
+
+/* define if gesture signaling is used
+ * and which gesture groups to use
+ */
+/*
+#define CY_USE_GEST
+#define CY_USE_GEST_GRP1
+#define CY_USE_GEST_GRP2
+#define CY_USE_GEST_GRP3
+#define CY_USE_GEST_GRP4
+ */
+/* Active distance in pixels for a gesture to be reported
+ * if set to 0, then all gesture movements are reported
+ */
+#define CY_ACT_DIST_DFLT	8
+#define CY_ACT_DIST			CY_ACT_DIST_DFLT
+
+/* define if MT signals are desired */
+/*
+*/
+#define CY_USE_MT_SIGNALS
+
+/* define if MT tracking id signals are used */
+/*
+#define CY_USE_MT_TRACK_ID
+ */
+
+/* define if ST signals are required */
+/*
+#define CY_USE_ST_SIGNALS
+*/
+
+/* define to send handshake to device */
+/*
+#define CY_USE_HNDSHK
+*/
+
+/* define if log all raw motion signals to a sysfs file */
+/*
+#define CY_LOG_TO_FILE
+*/
+
+
+/* End of the Global Control section
+ ******************************************************************************
+ */
+#define CY_DIFF(m, n)		((m) != (n))
+
+#ifdef CY_LOG_TO_FILE
+	#define cyttsp_openlog()	/* use sysfs */
+#else
+	#define cyttsp_openlog()
+#endif /* CY_LOG_TO_FILE */
+
+/* see kernel.h for pr_xxx def'ns */
+#define cyttsp_info(f, a...)		pr_info("%s:" f,  __func__ , ## a)
+#define cyttsp_error(f, a...)		pr_err("%s:" f,  __func__ , ## a)
+#define cyttsp_alert(f, a...)		pr_alert("%s:" f,  __func__ , ## a)
+
+#ifdef CY_USE_DEBUG
+	#define cyttsp_debug(f, a...)	pr_alert("%s:" f,  __func__ , ## a)
+#else
+	#define cyttsp_debug(f, a...)	{if (cyttsp_tsdebug) \
+					pr_alert("%s:" f,  __func__ , ## a); }
+#endif /* CY_USE_DEBUG */
+
+#ifdef CY_ALLOW_EXTRA_DEBUG
+#ifdef CY_USE_EXTRA_DEBUG
+	#define cyttsp_xdebug(f, a...)	pr_alert("%s:" f,  __func__ , ## a)
+#else
+	#define cyttsp_xdebug(f, a...)	{if (cyttsp_tsxdebug) \
+					pr_alert("%s:" f,  __func__ , ## a); }
+#endif /* CY_USE_EXTRA_DEBUG */
+
+#ifdef CY_USE_EXTRA_DEBUG1
+	#define cyttsp_xdebug1(f, a...)	pr_alert("%s:" f,  __func__ , ## a)
+#else
+	#define cyttsp_xdebug1(f, a...)
+#endif /* CY_USE_EXTRA_DEBUG1 */
+#else
+	#define cyttsp_xdebug(f, a...)
+	#define cyttsp_xdebug1(f, a...)
+#endif /* CY_ALLOW_EXTRA_DEBUG */
+
+#ifdef CY_USE_TIMER_DEBUG
+	#define	TOUCHSCREEN_TIMEOUT	(msecs_to_jiffies(1000))
+#else
+	#define	TOUCHSCREEN_TIMEOUT	(msecs_to_jiffies(28))
+#endif
+
+/* reduce extra signals in MT only build
+ * be careful not to lose backward compatibility for pre-MT apps
+ */
+#ifdef CY_USE_ST_SIGNALS
+	#define CY_USE_ST	1
+#else
+	#define CY_USE_ST	0
+#endif /* CY_USE_ST_SIGNALS */
+
+/* rely on kernel input.h to define Multi-Touch capability */
+/* if input.h defines the Multi-Touch signals, then use MT */
+#if defined(ABS_MT_TOUCH_MAJOR) && defined(CY_USE_MT_SIGNALS)
+	#define CY_USE_MT	1
+	#define CY_MT_SYNC(input)	input_mt_sync(input)
+#else
+	#define CY_USE_MT	0
+	#define CY_MT_SYNC(input)
+	/* the following includes are provided to ensure a compile;
+	 * the code that compiles with these defines will not be executed if
+	 * the CY_USE_MT is properly used in the platform structure init
+	 */
+	#ifndef ABS_MT_TOUCH_MAJOR
+	#define ABS_MT_TOUCH_MAJOR	0x30	/* touching ellipse */
+	#define ABS_MT_TOUCH_MINOR	0x31	/* (omit if circular) */
+	#define ABS_MT_WIDTH_MAJOR	0x32	/* approaching ellipse */
+	#define ABS_MT_WIDTH_MINOR	0x33	/* (omit if circular) */
+	#define ABS_MT_ORIENTATION	0x34	/* Ellipse orientation */
+	#define ABS_MT_POSITION_X	0x35	/* Center X ellipse position */
+	#define ABS_MT_POSITION_Y	0x36	/* Center Y ellipse position */
+	#define ABS_MT_TOOL_TYPE	0x37	/* Type of touching device */
+	#define ABS_MT_BLOB_ID		0x38	/* Group set of pkts as blob */
+	#endif /* ABS_MT_TOUCH_MAJOR */
+#endif /* ABS_MT_TOUCH_MAJOR and CY_USE_MT_SIGNALS */
+#if defined(ABS_MT_TRACKING_ID)  && defined(CY_USE_MT_TRACK_ID)
+	#define CY_USE_TRACKING_ID	1
+#else
+	#define CY_USE_TRACKING_ID	0
+/* define only if not defined already by system;
+ * value based on linux kernel 2.6.30.10
+ */
+#ifndef ABS_MT_TRACKING_ID
+	#define ABS_MT_TRACKING_ID	(ABS_MT_BLOB_ID+1)
+#endif
+#endif /* ABS_MT_TRACKING_ID */
+
+#ifdef CY_USE_DEEP_SLEEP
+	#define CY_USE_DEEP_SLEEP_SEL	0x80
+#else
+	#define CY_USE_DEEP_SLEEP_SEL	0x00
+#endif
+#ifdef CY_USE_LOW_POWER
+	#define CY_USE_SLEEP	(CY_USE_DEEP_SLEEP_SEL | 0x01)
+#else
+	#define CY_USE_SLEEP	0x00
+#endif /* CY_USE_LOW_POWER */
+
+#ifdef CY_USE_TEST_DATA
+	#define cyttsp_testdat(ray1, ray2, sizeofray) \
+		{ \
+			int i; \
+			u8 *up1 = (u8 *)ray1; \
+			u8 *up2 = (u8 *)ray2; \
+			for (i = 0; i < sizeofray; i++) { \
+				up1[i] = up2[i]; \
+			} \
+		}
+#else
+	#define cyttsp_testdat(xy, test_xy, sizeofray)
+#endif /* CY_USE_TEST_DATA */
+
+/* helper macros */
+#define GET_NUM_TOUCHES(x)		((x) & 0x0F)
+#define GET_TOUCH1_ID(x)		(((x) & 0xF0) >> 4)
+#define GET_TOUCH2_ID(x)		((x) & 0x0F)
+#define GET_TOUCH3_ID(x)		(((x) & 0xF0) >> 4)
+#define GET_TOUCH4_ID(x)		((x) & 0x0F)
+#define IS_LARGE_AREA(x)		(((x) & 0x10) >> 4)
+#define FLIP_DATA_FLAG			0x01
+#define REVERSE_X_FLAG			0x02
+#define REVERSE_Y_FLAG			0x04
+#define FLIP_DATA(flags)		((flags) & FLIP_DATA_FLAG)
+#define REVERSE_X(flags)		((flags) & REVERSE_X_FLAG)
+#define REVERSE_Y(flags)		((flags) & REVERSE_Y_FLAG)
+#define FLIP_XY(x, y)			{ \
+						u16 tmp; \
+						tmp = (x); \
+						(x) = (y); \
+						(y) = tmp; \
+					}
+#define INVERT_X(x, xmax)		((xmax) - (x))
+#define INVERT_Y(y, ymax)		((ymax) - (y))
+#define SET_HSTMODE(reg, mode)		((reg) & (mode))
+#define GET_HSTMODE(reg)		((reg & 0x70) >> 4)
+#define GET_BOOTLOADERMODE(reg)		((reg & 0x10) >> 4)
+
+/* constant definitions */
+/* maximum number of concurrent ST track IDs */
+#define CY_NUM_ST_TCH_ID		2
+
+/* maximum number of concurrent MT track IDs */
+#define CY_NUM_MT_TCH_ID		4
+
+/* maximum number of track IDs */
+#define CY_NUM_TRK_ID			16
+
+#define CY_NTCH				0	/* no touch (lift off) */
+#define CY_TCH				1	/* active touch (touchdown) */
+#define CY_ST_FNGR1_IDX			0
+#define CY_ST_FNGR2_IDX			1
+#define CY_MT_TCH1_IDX			0
+#define CY_MT_TCH2_IDX			1
+#define CY_MT_TCH3_IDX			2
+#define CY_MT_TCH4_IDX			3
+#define CY_XPOS				0
+#define CY_YPOS				1
+#define CY_IGNR_TCH			(-1)
+#define CY_SMALL_TOOL_WIDTH		10
+#define CY_LARGE_TOOL_WIDTH		255
+#define CY_REG_BASE			0x00
+#define CY_REG_GEST_SET			0x1E
+#define CY_REG_ACT_INTRVL		0x1D
+#define CY_REG_TCH_TMOUT		(CY_REG_ACT_INTRVL+1)
+#define CY_REG_LP_INTRVL		(CY_REG_TCH_TMOUT+1)
+#define CY_SOFT_RESET			((1 << 0))
+#define CY_DEEP_SLEEP			((1 << 1))
+#define CY_LOW_POWER			((1 << 2))
+#define CY_MAXZ				255
+#define CY_OK				0
+#define CY_INIT				1
+#define	CY_DLY_DFLT			10	/* ms */
+#define CY_DLY_SYSINFO			20	/* ms */
+#define CY_DLY_BL			300
+#define CY_DLY_DNLOAD			100	/* ms */
+#define CY_NUM_RETRY			4	/* max num touch data read */
+
+/* handshake bit in the hst_mode reg */
+#define CY_HNDSHK_BIT			0x80
+#ifdef CY_USE_HNDSHK
+	#define CY_SEND_HNDSHK		1
+#else
+	#define CY_SEND_HNDSHK		0
+#endif
+
+/* Bootloader File 0 offset */
+#define CY_BL_FILE0			0x00
+
+/* Bootloader command directive */
+#define CY_BL_CMD			0xFF
+
+/* Bootloader Initiate Bootload */
+#define CY_BL_INIT_LOAD			0x38
+
+/* Bootloader Write a Block */
+#define CY_BL_WRITE_BLK			0x39
+
+/* Bootloader Terminate Bootload */
+#define CY_BL_TERMINATE			0x3B
+
+/* Bootloader Exit and Verify Checksum command */
+#define CY_BL_EXIT			0xA5
+
+/* Bootloader default keys */
+#define CY_BL_KEY0			0x00
+#define CY_BL_KEY1			0x01
+#define CY_BL_KEY2			0x02
+#define CY_BL_KEY3			0x03
+#define CY_BL_KEY4			0x04
+#define CY_BL_KEY5			0x05
+#define CY_BL_KEY6			0x06
+#define CY_BL_KEY7			0x07
+
+/* Active Power state scanning/processing refresh interval */
+#define CY_ACT_INTRVL_DFLT		0x00
+
+/* touch timeout for the Active power */
+#define CY_TCH_TMOUT_DFLT		0xFF
+
+/* Low Power state scanning/processing refresh interval */
+#define CY_LP_INTRVL_DFLT		0x0A
+
+#define CY_IDLE_STATE		0
+#define CY_ACTIVE_STATE		1
+#define CY_LOW_PWR_STATE		2
+#define CY_SLEEP_STATE		3
+
+/* device mode bits */
+#define CY_OP_MODE		0x00
+#define CY_SYSINFO_MODE		0x10
+
+/* power mode select bits */
+#define CY_SOFT_RESET_MODE		0x01	/* return to Bootloader mode */
+#define CY_DEEP_SLEEP_MODE		0x02
+#define CY_LOW_PWR_MODE		0x04
+
+#define CY_NUM_KEY			8
+
+#ifdef CY_USE_GEST
+	#define CY_USE_GESTURES	1
+#else
+	#define CY_USE_GESTURES	0
+#endif /* CY_USE_GESTURE_SIGNALS */
+
+#ifdef CY_USE_GEST_GRP1
+	#define CY_GEST_GRP1	0x10
+#else
+	#define CY_GEST_GRP1	0x00
+#endif	/* CY_USE_GEST_GRP1 */
+#ifdef CY_USE_GEST_GRP2
+	#define CY_GEST_GRP2	0x20
+#else
+	#define CY_GEST_GRP2	0x00
+#endif	/* CY_USE_GEST_GRP2 */
+#ifdef CY_USE_GEST_GRP3
+	#define CY_GEST_GRP3	0x40
+#else
+	#define CY_GEST_GRP3	0x00
+#endif	/* CY_USE_GEST_GRP3 */
+#ifdef CY_USE_GEST_GRP4
+	#define CY_GEST_GRP4	0x80
+#else
+	#define CY_GEST_GRP4	0x00
+#endif	/* CY_USE_GEST_GRP4 */
+
+
+struct cyttsp_platform_data {
+	u32 maxx;
+	u32 maxy;
+	u32 flags;
+	u8 gen;
+	u8 use_st;
+	u8 use_mt;
+	u8 use_hndshk;
+	u8 use_trk_id;
+	u8 use_sleep;
+	u8 use_gestures;
+	u8 gest_set;
+	u8 act_intrvl;
+	u8 tch_tmout;
+	u8 lp_intrvl;
+	u8 power_state;
+#ifdef CY_USE_I2C_DRIVER
+	s32 (*init)(struct i2c_client *client);
+	s32 (*resume)(struct i2c_client *client);
+#endif
+#ifdef CY_USE_SPI_DRIVER
+	s32 (*init)(struct spi_device *spi);
+	s32 (*resume)(struct spi_device *spi);
+#endif
+};
+
+/* TrueTouch Standard Product Gen3 (Txx3xx) interface definition */
+struct cyttsp_gen3_xydata_t {
+	u8 hst_mode;
+	u8 tt_mode;
+	u8 tt_stat;
+	u16 x1 __attribute__ ((packed));
+	u16 y1 __attribute__ ((packed));
+	u8 z1;
+	u8 touch12_id;
+	u16 x2 __attribute__ ((packed));
+	u16 y2 __attribute__ ((packed));
+	u8 z2;
+	u8 gest_cnt;
+	u8 gest_id;
+	u16 x3 __attribute__ ((packed));
+	u16 y3 __attribute__ ((packed));
+	u8 z3;
+	u8 touch34_id;
+	u16 x4 __attribute__ ((packed));
+	u16 y4 __attribute__ ((packed));
+	u8 z4;
+	u8 tt_undef[3];
+	u8 gest_set;
+	u8 tt_reserved;
+};
+
+/* TrueTouch Standard Product Gen2 (Txx2xx) interface definition */
+#define CY_GEN2_NOTOUCH		0x03	/* Both touches removed */
+#define CY_GEN2_GHOST		0x02	/* ghost */
+#define CY_GEN2_2TOUCH		0x03	/* 2 touch; no ghost */
+#define CY_GEN2_1TOUCH		0x01	/* 1 touch only */
+#define CY_GEN2_TOUCH2		0x01	/* 1st touch removed;
+						 * 2nd touch remains */
+struct cyttsp_gen2_xydata_t {
+	u8 hst_mode;
+	u8 tt_mode;
+	u8 tt_stat;
+	u16 x1 __attribute__ ((packed));
+	u16 y1 __attribute__ ((packed));
+	u8 z1;
+	u8 evnt_idx;
+	u16 x2 __attribute__ ((packed));
+	u16 y2 __attribute__ ((packed));
+	u8 tt_undef1;
+	u8 gest_cnt;
+	u8 gest_id;
+	u8 tt_undef[14];
+	u8 gest_set;
+	u8 tt_reserved;
+};
+
+/* TTSP System Information interface definition */
+struct cyttsp_sysinfo_data_t {
+	u8 hst_mode;
+	u8 mfg_cmd;
+	u8 mfg_stat;
+	u8 cid[3];
+	u8 tt_undef1;
+	u8 uid[8];
+	u8 bl_verh;
+	u8 bl_verl;
+	u8 tts_verh;
+	u8 tts_verl;
+	u8 app_idh;
+	u8 app_idl;
+	u8 app_verh;
+	u8 app_verl;
+	u8 tt_undef[6];
+	u8 act_intrvl;
+	u8 tch_tmout;
+	u8 lp_intrvl;
+};
+
+/* TTSP Bootloader Register Map interface definition */
+#define CY_BL_CHKSUM_OK		0x01
+struct cyttsp_bootloader_data_t {
+	u8 bl_file;
+	u8 bl_status;
+	u8 bl_error;
+	u8 blver_hi;
+	u8 blver_lo;
+	u8 bld_blver_hi;
+	u8 bld_blver_lo;
+	u8 ttspver_hi;
+	u8 ttspver_lo;
+	u8 appid_hi;
+	u8 appid_lo;
+	u8 appver_hi;
+	u8 appver_lo;
+	u8 cid_0;
+	u8 cid_1;
+	u8 cid_2;
+};
+
+#define cyttsp_wake_data_t		cyttsp_gen3_xydata_t
+#ifdef CY_DECLARE_GLOBALS
+	#ifdef CY_INCLUDE_LOAD_FILE
+		/* this file declares:
+		 * firmware download block array (cyttsp_fw[]),
+		 * the number of command block records (cyttsp_fw_records),
+		 * and the version variables
+		 */
+		#include "cyttsp_fw.h"		/* imports cyttsp_fw[] array */
+		#define cyttsp_app_load()	1
+		#ifdef CY_FORCE_FW_UPDATE
+			#define cyttsp_force_fw_load()	1
+		#else
+			#define cyttsp_force_fw_load()	0
+		#endif
+
+	#else
+		/* the following declarations are to allow
+		 * some debugging capability
+		 */
+		unsigned char cyttsp_fw_tts_verh = 0x00;
+		unsigned char cyttsp_fw_tts_verl = 0x01;
+		unsigned char cyttsp_fw_app_idh = 0x02;
+		unsigned char cyttsp_fw_app_idl = 0x03;
+		unsigned char cyttsp_fw_app_verh = 0x04;
+		unsigned char cyttsp_fw_app_verl = 0x05;
+		unsigned char cyttsp_fw_cid_0 = 0x06;
+		unsigned char cyttsp_fw_cid_1 = 0x07;
+		unsigned char cyttsp_fw_cid_2 = 0x08;
+		#define cyttsp_app_load()	0
+		#define cyttsp_force_fw_load()	0
+	#endif
+	#define cyttsp_tts_verh()	cyttsp_fw_tts_verh
+	#define cyttsp_tts_verl()	cyttsp_fw_tts_verl
+	#define cyttsp_app_idh()	cyttsp_fw_app_idh
+	#define cyttsp_app_idl()	cyttsp_fw_app_idl
+	#define cyttsp_app_verh()	cyttsp_fw_app_verh
+	#define cyttsp_app_verl()	cyttsp_fw_app_verl
+	#define cyttsp_cid_0()		cyttsp_fw_cid_0
+	#define cyttsp_cid_1()		cyttsp_fw_cid_1
+	#define cyttsp_cid_2()		cyttsp_fw_cid_2
+	#ifdef CY_USE_TEST_DATA
+		static struct cyttsp_gen2_xydata_t tt_gen2_testray[] = {
+		{0x00}, {0x00}, {0x04},
+		{0x4000}, {0x8000}, {0x80},
+		{0x03},
+		{0x2000}, {0x1000}, {0x00},
+		{0x00},
+		{0x00},
+		{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+		{0x00},
+		{0x00}
+		};
+
+		static struct cyttsp_gen3_xydata_t tt_gen3_testray[] = {
+		{0x00}, {0x00}, {0x04},
+		{0x4000}, {0x8000}, {0x80},
+		{0x12},
+		{0x2000}, {0x1000}, {0xA0},
+		{0x00}, {0x00},
+		{0x8000}, {0x4000}, {0xB0},
+		{0x34},
+		{0x4000}, {0x1000}, {0xC0},
+		{0x00, 0x00, 0x00},
+		{0x00},
+		{0x00}
+		};
+	#endif /* CY_USE_TEST_DATA */
+
+#else
+		extern u8 g_appload_ray[];
+#endif
+
+#endif /* __CYTTSP_H__ */
-- 
1.6.3.3


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