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Commit ef3b98c2 authored by Michael Welling's avatar Michael Welling Committed by Dmitry Torokhov
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Input: tsc200x-core - rename functions and variables 



The functions, variables, and defines of the new tsc200x-core.c are
renamed to tsc200x instead of tsc2005 avoid possible confusion.

Signed-off-by: default avatarMichael Welling <mwelling@ieee.org>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 6ac24381

drivers/input/touchscreen/tsc2005.c

+1 −1
Original line number Diff line number Diff line
@@ -26,7 +26,7 @@ 


static int tsc2005_cmd(struct device *dev, u8 cmd)

{

	u8 tx = TSC2005_CMD | TSC2005_CMD_12BIT | cmd;

	u8 tx = TSC200X_CMD | TSC200X_CMD_12BIT | cmd;

	struct spi_transfer xfer = {

		.tx_buf         = &tx,

		.len            = 1,

drivers/input/touchscreen/tsc200x-core.c

+100 −100
Original line number Diff line number Diff line
@@ -37,28 +37,28 @@ 
 * The touchscreen interface operates as follows:

 *

 * 1) Pen is pressed against the touchscreen.

 * 2) TSC2005 performs AD conversion.

 * 3) After the conversion is done TSC2005 drives DAV line down.

 * 4) GPIO IRQ is received and tsc2005_irq_thread() is scheduled.

 * 5) tsc2005_irq_thread() queues up a transfer to fetch the x, y, z1, z2

 * 2) TSC200X performs AD conversion.

 * 3) After the conversion is done TSC200X drives DAV line down.

 * 4) GPIO IRQ is received and tsc200x_irq_thread() is scheduled.

 * 5) tsc200x_irq_thread() queues up a transfer to fetch the x, y, z1, z2

 *    values.

 * 6) tsc2005_irq_thread() reports coordinates to input layer and sets up

 *    tsc2005_penup_timer() to be called after TSC2005_PENUP_TIME_MS (40ms).

 * 6) tsc200x_irq_thread() reports coordinates to input layer and sets up

 *    tsc200x_penup_timer() to be called after TSC200X_PENUP_TIME_MS (40ms).

 * 7) When the penup timer expires, there have not been touch or DAV interrupts

 *    during the last 40ms which means the pen has been lifted.

 *

 * ESD recovery via a hardware reset is done if the TSC2005 doesn't respond

 * ESD recovery via a hardware reset is done if the TSC200X doesn't respond

 * after a configurable period (in ms) of activity. If esd_timeout is 0, the

 * watchdog is disabled.

 */



static const struct regmap_range tsc2005_writable_ranges[] = {

	regmap_reg_range(TSC2005_REG_AUX_HIGH, TSC2005_REG_CFR2),

static const struct regmap_range tsc200x_writable_ranges[] = {

	regmap_reg_range(TSC200X_REG_AUX_HIGH, TSC200X_REG_CFR2),

};



static const struct regmap_access_table tsc2005_writable_table = {

	.yes_ranges = tsc2005_writable_ranges,

	.n_yes_ranges = ARRAY_SIZE(tsc2005_writable_ranges),

static const struct regmap_access_table tsc200x_writable_table = {

	.yes_ranges = tsc200x_writable_ranges,

	.n_yes_ranges = ARRAY_SIZE(tsc200x_writable_ranges),

};



const struct regmap_config tsc200x_regmap_config = {
@@ -66,22 +66,22 @@ const struct regmap_config tsc200x_regmap_config = { 
	.val_bits = 16,

	.reg_stride = 0x08,

	.max_register = 0x78,

	.read_flag_mask = TSC2005_REG_READ,

	.write_flag_mask = TSC2005_REG_PND0,

	.wr_table = &tsc2005_writable_table,

	.read_flag_mask = TSC200X_REG_READ,

	.write_flag_mask = TSC200X_REG_PND0,

	.wr_table = &tsc200x_writable_table,

	.use_single_rw = true,

};

EXPORT_SYMBOL_GPL(tsc200x_regmap_config);



struct tsc2005_data {

struct tsc200x_data {

	u16 x;

	u16 y;

	u16 z1;

	u16 z2;

} __packed;

#define TSC2005_DATA_REGS 4

#define TSC200X_DATA_REGS 4



struct tsc2005 {

struct tsc200x {

	struct device           *dev;

	struct regmap		*regmap;

	__u16                   bustype;
@@ -119,7 +119,7 @@ struct tsc2005 { 
	int			irq;

};



static void tsc2005_update_pen_state(struct tsc2005 *ts,

static void tsc200x_update_pen_state(struct tsc200x *ts,

				     int x, int y, int pressure)

{

	if (pressure) {
@@ -142,17 +142,17 @@ static void tsc2005_update_pen_state(struct tsc2005 *ts, 
		pressure);

}



static irqreturn_t tsc2005_irq_thread(int irq, void *_ts)

static irqreturn_t tsc200x_irq_thread(int irq, void *_ts)

{

	struct tsc2005 *ts = _ts;

	struct tsc200x *ts = _ts;

	unsigned long flags;

	unsigned int pressure;

	struct tsc2005_data tsdata;

	struct tsc200x_data tsdata;

	int error;



	/* read the coordinates */

	error = regmap_bulk_read(ts->regmap, TSC2005_REG_X, &tsdata,

				 TSC2005_DATA_REGS);

	error = regmap_bulk_read(ts->regmap, TSC200X_REG_X, &tsdata,

				 TSC200X_DATA_REGS);

	if (unlikely(error))

		goto out;
@@ -193,9 +193,9 @@ static irqreturn_t tsc2005_irq_thread(int irq, void *_ts) 


	spin_lock_irqsave(&ts->lock, flags);



	tsc2005_update_pen_state(ts, tsdata.x, tsdata.y, pressure);

	tsc200x_update_pen_state(ts, tsdata.x, tsdata.y, pressure);

	mod_timer(&ts->penup_timer,

		  jiffies + msecs_to_jiffies(TSC2005_PENUP_TIME_MS));

		  jiffies + msecs_to_jiffies(TSC200X_PENUP_TIME_MS));



	spin_unlock_irqrestore(&ts->lock, flags);
@@ -204,30 +204,30 @@ static irqreturn_t tsc2005_irq_thread(int irq, void *_ts) 
	return IRQ_HANDLED;

}



static void tsc2005_penup_timer(unsigned long data)

static void tsc200x_penup_timer(unsigned long data)

{

	struct tsc2005 *ts = (struct tsc2005 *)data;

	struct tsc200x *ts = (struct tsc200x *)data;

	unsigned long flags;



	spin_lock_irqsave(&ts->lock, flags);

	tsc2005_update_pen_state(ts, 0, 0, 0);

	tsc200x_update_pen_state(ts, 0, 0, 0);

	spin_unlock_irqrestore(&ts->lock, flags);

}



static void tsc2005_start_scan(struct tsc2005 *ts)

static void tsc200x_start_scan(struct tsc200x *ts)

{

	regmap_write(ts->regmap, TSC2005_REG_CFR0, TSC2005_CFR0_INITVALUE);

	regmap_write(ts->regmap, TSC2005_REG_CFR1, TSC2005_CFR1_INITVALUE);

	regmap_write(ts->regmap, TSC2005_REG_CFR2, TSC2005_CFR2_INITVALUE);

	ts->tsc200x_cmd(ts->dev, TSC2005_CMD_NORMAL);

	regmap_write(ts->regmap, TSC200X_REG_CFR0, TSC200X_CFR0_INITVALUE);

	regmap_write(ts->regmap, TSC200X_REG_CFR1, TSC200X_CFR1_INITVALUE);

	regmap_write(ts->regmap, TSC200X_REG_CFR2, TSC200X_CFR2_INITVALUE);

	ts->tsc200x_cmd(ts->dev, TSC200X_CMD_NORMAL);

}



static void tsc2005_stop_scan(struct tsc2005 *ts)

static void tsc200x_stop_scan(struct tsc200x *ts)

{

	ts->tsc200x_cmd(ts->dev, TSC2005_CMD_STOP);

	ts->tsc200x_cmd(ts->dev, TSC200X_CMD_STOP);

}



static void tsc2005_set_reset(struct tsc2005 *ts, bool enable)

static void tsc200x_set_reset(struct tsc200x *ts, bool enable)

{

	if (ts->reset_gpio)

		gpiod_set_value_cansleep(ts->reset_gpio, enable);
@@ -236,9 +236,9 @@ static void tsc2005_set_reset(struct tsc2005 *ts, bool enable) 
}



/* must be called with ts->mutex held */

static void __tsc2005_disable(struct tsc2005 *ts)

static void __tsc200x_disable(struct tsc200x *ts)

{

	tsc2005_stop_scan(ts);

	tsc200x_stop_scan(ts);



	disable_irq(ts->irq);

	del_timer_sync(&ts->penup_timer);
@@ -249,9 +249,9 @@ static void __tsc2005_disable(struct tsc2005 *ts) 
}



/* must be called with ts->mutex held */

static void __tsc2005_enable(struct tsc2005 *ts)

static void __tsc200x_enable(struct tsc200x *ts)

{

	tsc2005_start_scan(ts);

	tsc200x_start_scan(ts);



	if (ts->esd_timeout && (ts->set_reset || ts->reset_gpio)) {

		ts->last_valid_interrupt = jiffies;
@@ -261,11 +261,11 @@ static void __tsc2005_enable(struct tsc2005 *ts) 
	}

}



static ssize_t tsc2005_selftest_show(struct device *dev,

static ssize_t tsc200x_selftest_show(struct device *dev,

				     struct device_attribute *attr,

				     char *buf)

{

	struct tsc2005 *ts = dev_get_drvdata(dev);

	struct tsc200x *ts = dev_get_drvdata(dev);

	unsigned int temp_high;

	unsigned int temp_high_orig;

	unsigned int temp_high_test;
@@ -275,11 +275,11 @@ static ssize_t tsc2005_selftest_show(struct device *dev, 
	mutex_lock(&ts->mutex);



	/*

	 * Test TSC2005 communications via temp high register.

	 * Test TSC200X communications via temp high register.

	 */

	__tsc2005_disable(ts);

	__tsc200x_disable(ts);



	error = regmap_read(ts->regmap, TSC2005_REG_TEMP_HIGH, &temp_high_orig);

	error = regmap_read(ts->regmap, TSC200X_REG_TEMP_HIGH, &temp_high_orig);

	if (error) {

		dev_warn(dev, "selftest failed: read error %d\n", error);

		success = false;
@@ -288,14 +288,14 @@ static ssize_t tsc2005_selftest_show(struct device *dev, 


	temp_high_test = (temp_high_orig - 1) & MAX_12BIT;



	error = regmap_write(ts->regmap, TSC2005_REG_TEMP_HIGH, temp_high_test);

	error = regmap_write(ts->regmap, TSC200X_REG_TEMP_HIGH, temp_high_test);

	if (error) {

		dev_warn(dev, "selftest failed: write error %d\n", error);

		success = false;

		goto out;

	}



	error = regmap_read(ts->regmap, TSC2005_REG_TEMP_HIGH, &temp_high);

	error = regmap_read(ts->regmap, TSC200X_REG_TEMP_HIGH, &temp_high);

	if (error) {

		dev_warn(dev, "selftest failed: read error %d after write\n",

			 error);
@@ -310,15 +310,15 @@ static ssize_t tsc2005_selftest_show(struct device *dev, 
	}



	/* hardware reset */

	tsc2005_set_reset(ts, false);

	tsc200x_set_reset(ts, false);

	usleep_range(100, 500); /* only 10us required */

	tsc2005_set_reset(ts, true);

	tsc200x_set_reset(ts, true);



	if (!success)

		goto out;



	/* test that the reset really happened */

	error = regmap_read(ts->regmap, TSC2005_REG_TEMP_HIGH, &temp_high);

	error = regmap_read(ts->regmap, TSC200X_REG_TEMP_HIGH, &temp_high);

	if (error) {

		dev_warn(dev, "selftest failed: read error %d after reset\n",

			 error);
@@ -333,24 +333,24 @@ static ssize_t tsc2005_selftest_show(struct device *dev, 
	}



out:

	__tsc2005_enable(ts);

	__tsc200x_enable(ts);

	mutex_unlock(&ts->mutex);



	return sprintf(buf, "%d\n", success);

}



static DEVICE_ATTR(selftest, S_IRUGO, tsc2005_selftest_show, NULL);

static DEVICE_ATTR(selftest, S_IRUGO, tsc200x_selftest_show, NULL);



static struct attribute *tsc2005_attrs[] = {

static struct attribute *tsc200x_attrs[] = {

	&dev_attr_selftest.attr,

	NULL

};



static umode_t tsc2005_attr_is_visible(struct kobject *kobj,

static umode_t tsc200x_attr_is_visible(struct kobject *kobj,

				      struct attribute *attr, int n)

{

	struct device *dev = container_of(kobj, struct device, kobj);

	struct tsc2005 *ts = dev_get_drvdata(dev);

	struct tsc200x *ts = dev_get_drvdata(dev);

	umode_t mode = attr->mode;



	if (attr == &dev_attr_selftest.attr) {
@@ -361,14 +361,14 @@ static umode_t tsc2005_attr_is_visible(struct kobject *kobj, 
	return mode;

}



static const struct attribute_group tsc2005_attr_group = {

	.is_visible	= tsc2005_attr_is_visible,

	.attrs		= tsc2005_attrs,

static const struct attribute_group tsc200x_attr_group = {

	.is_visible	= tsc200x_attr_is_visible,

	.attrs		= tsc200x_attrs,

};



static void tsc2005_esd_work(struct work_struct *work)

static void tsc200x_esd_work(struct work_struct *work)

{

	struct tsc2005 *ts = container_of(work, struct tsc2005, esd_work.work);

	struct tsc200x *ts = container_of(work, struct tsc200x, esd_work.work);

	int error;

	unsigned int r;
@@ -386,9 +386,9 @@ static void tsc2005_esd_work(struct work_struct *work) 
		goto out;



	/* We should be able to read register without disabling interrupts. */

	error = regmap_read(ts->regmap, TSC2005_REG_CFR0, &r);

	error = regmap_read(ts->regmap, TSC200X_REG_CFR0, &r);

	if (!error &&

	    !((r ^ TSC2005_CFR0_INITVALUE) & TSC2005_CFR0_RW_MASK)) {

	    !((r ^ TSC200X_CFR0_INITVALUE) & TSC200X_CFR0_RW_MASK)) {

		goto out;

	}
@@ -397,19 +397,19 @@ static void tsc2005_esd_work(struct work_struct *work) 
	 * then we should reset the controller as if from power-up and start

	 * scanning again.

	 */

	dev_info(ts->dev, "TSC2005 not responding - resetting\n");

	dev_info(ts->dev, "TSC200X not responding - resetting\n");



	disable_irq(ts->irq);

	del_timer_sync(&ts->penup_timer);



	tsc2005_update_pen_state(ts, 0, 0, 0);

	tsc200x_update_pen_state(ts, 0, 0, 0);



	tsc2005_set_reset(ts, false);

	tsc200x_set_reset(ts, false);

	usleep_range(100, 500); /* only 10us required */

	tsc2005_set_reset(ts, true);

	tsc200x_set_reset(ts, true);



	enable_irq(ts->irq);

	tsc2005_start_scan(ts);

	tsc200x_start_scan(ts);



out:

	mutex_unlock(&ts->mutex);
@@ -420,14 +420,14 @@ static void tsc2005_esd_work(struct work_struct *work) 
					msecs_to_jiffies(ts->esd_timeout)));

}



static int tsc2005_open(struct input_dev *input)

static int tsc200x_open(struct input_dev *input)

{

	struct tsc2005 *ts = input_get_drvdata(input);

	struct tsc200x *ts = input_get_drvdata(input);



	mutex_lock(&ts->mutex);



	if (!ts->suspended)

		__tsc2005_enable(ts);

		__tsc200x_enable(ts);



	ts->opened = true;
@@ -436,14 +436,14 @@ static int tsc2005_open(struct input_dev *input) 
	return 0;

}



static void tsc2005_close(struct input_dev *input)

static void tsc200x_close(struct input_dev *input)

{

	struct tsc2005 *ts = input_get_drvdata(input);

	struct tsc200x *ts = input_get_drvdata(input);



	mutex_lock(&ts->mutex);



	if (!ts->suspended)

		__tsc2005_disable(ts);

		__tsc200x_disable(ts);



	ts->opened = false;
@@ -457,15 +457,15 @@ int tsc200x_probe(struct device *dev, int irq, __u16 bustype, 
	const struct tsc2005_platform_data *pdata = dev_get_platdata(dev);

	struct device_node *np = dev->of_node;



	struct tsc2005 *ts;

	struct tsc200x *ts;

	struct input_dev *input_dev;

	unsigned int max_x = MAX_12BIT;

	unsigned int max_y = MAX_12BIT;

	unsigned int max_p = MAX_12BIT;

	unsigned int fudge_x = TSC2005_DEF_X_FUZZ;

	unsigned int fudge_y = TSC2005_DEF_Y_FUZZ;

	unsigned int fudge_p = TSC2005_DEF_P_FUZZ;

	unsigned int x_plate_ohm = TSC2005_DEF_RESISTOR;

	unsigned int fudge_x = TSC200X_DEF_X_FUZZ;

	unsigned int fudge_y = TSC200X_DEF_Y_FUZZ;

	unsigned int fudge_p = TSC200X_DEF_P_FUZZ;

	unsigned int x_plate_ohm = TSC200X_DEF_RESISTOR;

	unsigned int esd_timeout;

	int error;
@@ -497,7 +497,7 @@ int tsc200x_probe(struct device *dev, int irq, __u16 bustype, 
		x_plate_ohm = pdata->ts_x_plate_ohm;

		esd_timeout = pdata->esd_timeout_ms;

	} else {

		x_plate_ohm = TSC2005_DEF_RESISTOR;

		x_plate_ohm = TSC200X_DEF_RESISTOR;

		of_property_read_u32(np, "ti,x-plate-ohms", &x_plate_ohm);

		esd_timeout = 0;

		of_property_read_u32(np, "ti,esd-recovery-timeout-ms",
@@ -540,14 +540,14 @@ int tsc200x_probe(struct device *dev, int irq, __u16 bustype, 
	mutex_init(&ts->mutex);



	spin_lock_init(&ts->lock);

	setup_timer(&ts->penup_timer, tsc2005_penup_timer, (unsigned long)ts);

	setup_timer(&ts->penup_timer, tsc200x_penup_timer, (unsigned long)ts);



	INIT_DELAYED_WORK(&ts->esd_work, tsc2005_esd_work);

	INIT_DELAYED_WORK(&ts->esd_work, tsc200x_esd_work);



	snprintf(ts->phys, sizeof(ts->phys),

		 "%s/input-ts", dev_name(dev));



	input_dev->name = "TSC2005 touchscreen";

	input_dev->name = "TSC200X touchscreen";

	input_dev->phys = ts->phys;

	input_dev->id.bustype = bustype;

	input_dev->dev.parent = dev;
@@ -561,18 +561,18 @@ int tsc200x_probe(struct device *dev, int irq, __u16 bustype, 
	if (np)

		touchscreen_parse_properties(input_dev, false);



	input_dev->open = tsc2005_open;

	input_dev->close = tsc2005_close;

	input_dev->open = tsc200x_open;

	input_dev->close = tsc200x_close;



	input_set_drvdata(input_dev, ts);



	/* Ensure the touchscreen is off */

	tsc2005_stop_scan(ts);

	tsc200x_stop_scan(ts);



	error = devm_request_threaded_irq(dev, irq, NULL,

					  tsc2005_irq_thread,

					  tsc200x_irq_thread,

					  IRQF_TRIGGER_RISING | IRQF_ONESHOT,

					  "tsc2005", ts);

					  "tsc200x", ts);

	if (error) {

		dev_err(dev, "Failed to request irq, err: %d\n", error);

		return error;
@@ -586,7 +586,7 @@ int tsc200x_probe(struct device *dev, int irq, __u16 bustype, 
	}



	dev_set_drvdata(dev, ts);

	error = sysfs_create_group(&dev->kobj, &tsc2005_attr_group);

	error = sysfs_create_group(&dev->kobj, &tsc200x_attr_group);

	if (error) {

		dev_err(dev,

			"Failed to create sysfs attributes, err: %d\n", error);
@@ -604,7 +604,7 @@ int tsc200x_probe(struct device *dev, int irq, __u16 bustype, 
	return 0;



err_remove_sysfs:

	sysfs_remove_group(&dev->kobj, &tsc2005_attr_group);

	sysfs_remove_group(&dev->kobj, &tsc200x_attr_group);

disable_regulator:

	if (ts->vio)

		regulator_disable(ts->vio);
@@ -614,9 +614,9 @@ EXPORT_SYMBOL_GPL(tsc200x_probe); 


int tsc200x_remove(struct device *dev)

{

	struct tsc2005 *ts = dev_get_drvdata(dev);

	struct tsc200x *ts = dev_get_drvdata(dev);



	sysfs_remove_group(&dev->kobj, &tsc2005_attr_group);

	sysfs_remove_group(&dev->kobj, &tsc200x_attr_group);



	if (ts->vio)

		regulator_disable(ts->vio);
@@ -625,14 +625,14 @@ int tsc200x_remove(struct device *dev) 
}

EXPORT_SYMBOL_GPL(tsc200x_remove);



static int __maybe_unused tsc2005_suspend(struct device *dev)

static int __maybe_unused tsc200x_suspend(struct device *dev)

{

	struct tsc2005 *ts = dev_get_drvdata(dev);

	struct tsc200x *ts = dev_get_drvdata(dev);



	mutex_lock(&ts->mutex);



	if (!ts->suspended && ts->opened)

		__tsc2005_disable(ts);

		__tsc200x_disable(ts);



	ts->suspended = true;
@@ -641,14 +641,14 @@ static int __maybe_unused tsc2005_suspend(struct device *dev) 
	return 0;

}



static int __maybe_unused tsc2005_resume(struct device *dev)

static int __maybe_unused tsc200x_resume(struct device *dev)

{

	struct tsc2005 *ts = dev_get_drvdata(dev);

	struct tsc200x *ts = dev_get_drvdata(dev);



	mutex_lock(&ts->mutex);



	if (ts->suspended && ts->opened)

		__tsc2005_enable(ts);

		__tsc200x_enable(ts);



	ts->suspended = false;
@@ -657,9 +657,9 @@ static int __maybe_unused tsc2005_resume(struct device *dev) 
	return 0;

}



SIMPLE_DEV_PM_OPS(tsc200x_pm_ops, tsc2005_suspend, tsc2005_resume);

SIMPLE_DEV_PM_OPS(tsc200x_pm_ops, tsc200x_suspend, tsc200x_resume);

EXPORT_SYMBOL_GPL(tsc200x_pm_ops);



MODULE_AUTHOR("Lauri Leukkunen <lauri.leukkunen@nokia.com>");

MODULE_DESCRIPTION("TSC2005 Touchscreen Driver");

MODULE_DESCRIPTION("TSC200x Touchscreen Driver Core");

MODULE_LICENSE("GPL");

drivers/input/touchscreen/tsc200x-core.h

+51 −51
Original line number Diff line number Diff line
@@ -2,70 +2,70 @@ 
#define _TSC200X_CORE_H



/* control byte 1 */

#define TSC2005_CMD			0x80

#define TSC2005_CMD_NORMAL		0x00

#define TSC2005_CMD_STOP		0x01

#define TSC2005_CMD_12BIT		0x04

#define TSC200X_CMD			0x80

#define TSC200X_CMD_NORMAL		0x00

#define TSC200X_CMD_STOP		0x01

#define TSC200X_CMD_12BIT		0x04



/* control byte 0 */

#define TSC2005_REG_READ		0x01 /* R/W access */

#define TSC2005_REG_PND0		0x02 /* Power Not Down Control */

#define TSC2005_REG_X			(0x0 << 3)

#define TSC2005_REG_Y			(0x1 << 3)

#define TSC2005_REG_Z1			(0x2 << 3)

#define TSC2005_REG_Z2			(0x3 << 3)

#define TSC2005_REG_AUX			(0x4 << 3)

#define TSC2005_REG_TEMP1		(0x5 << 3)

#define TSC2005_REG_TEMP2		(0x6 << 3)

#define TSC2005_REG_STATUS		(0x7 << 3)

#define TSC2005_REG_AUX_HIGH		(0x8 << 3)

#define TSC2005_REG_AUX_LOW		(0x9 << 3)

#define TSC2005_REG_TEMP_HIGH		(0xA << 3)

#define TSC2005_REG_TEMP_LOW		(0xB << 3)

#define TSC2005_REG_CFR0		(0xC << 3)

#define TSC2005_REG_CFR1		(0xD << 3)

#define TSC2005_REG_CFR2		(0xE << 3)

#define TSC2005_REG_CONV_FUNC		(0xF << 3)

#define TSC200X_REG_READ		0x01 /* R/W access */

#define TSC200X_REG_PND0		0x02 /* Power Not Down Control */

#define TSC200X_REG_X			(0x0 << 3)

#define TSC200X_REG_Y			(0x1 << 3)

#define TSC200X_REG_Z1			(0x2 << 3)

#define TSC200X_REG_Z2			(0x3 << 3)

#define TSC200X_REG_AUX			(0x4 << 3)

#define TSC200X_REG_TEMP1		(0x5 << 3)

#define TSC200X_REG_TEMP2		(0x6 << 3)

#define TSC200X_REG_STATUS		(0x7 << 3)

#define TSC200X_REG_AUX_HIGH		(0x8 << 3)

#define TSC200X_REG_AUX_LOW		(0x9 << 3)

#define TSC200X_REG_TEMP_HIGH		(0xA << 3)

#define TSC200X_REG_TEMP_LOW		(0xB << 3)

#define TSC200X_REG_CFR0		(0xC << 3)

#define TSC200X_REG_CFR1		(0xD << 3)

#define TSC200X_REG_CFR2		(0xE << 3)

#define TSC200X_REG_CONV_FUNC		(0xF << 3)



/* configuration register 0 */

#define TSC2005_CFR0_PRECHARGE_276US	0x0040

#define TSC2005_CFR0_STABTIME_1MS	0x0300

#define TSC2005_CFR0_CLOCK_1MHZ		0x1000

#define TSC2005_CFR0_RESOLUTION12	0x2000

#define TSC2005_CFR0_PENMODE		0x8000

#define TSC2005_CFR0_INITVALUE		(TSC2005_CFR0_STABTIME_1MS    | \

					 TSC2005_CFR0_CLOCK_1MHZ      | \

					 TSC2005_CFR0_RESOLUTION12    | \

					 TSC2005_CFR0_PRECHARGE_276US | \

					 TSC2005_CFR0_PENMODE)

#define TSC200X_CFR0_PRECHARGE_276US	0x0040

#define TSC200X_CFR0_STABTIME_1MS	0x0300

#define TSC200X_CFR0_CLOCK_1MHZ		0x1000

#define TSC200X_CFR0_RESOLUTION12	0x2000

#define TSC200X_CFR0_PENMODE		0x8000

#define TSC200X_CFR0_INITVALUE		(TSC200X_CFR0_STABTIME_1MS    | \

					 TSC200X_CFR0_CLOCK_1MHZ      | \

					 TSC200X_CFR0_RESOLUTION12    | \

					 TSC200X_CFR0_PRECHARGE_276US | \

					 TSC200X_CFR0_PENMODE)



/* bits common to both read and write of configuration register 0 */

#define	TSC2005_CFR0_RW_MASK		0x3fff

#define	TSC200X_CFR0_RW_MASK		0x3fff



/* configuration register 1 */

#define TSC2005_CFR1_BATCHDELAY_4MS	0x0003

#define TSC2005_CFR1_INITVALUE		TSC2005_CFR1_BATCHDELAY_4MS

#define TSC200X_CFR1_BATCHDELAY_4MS	0x0003

#define TSC200X_CFR1_INITVALUE		TSC200X_CFR1_BATCHDELAY_4MS



/* configuration register 2 */

#define TSC2005_CFR2_MAVE_Z		0x0004

#define TSC2005_CFR2_MAVE_Y		0x0008

#define TSC2005_CFR2_MAVE_X		0x0010

#define TSC2005_CFR2_AVG_7		0x0800

#define TSC2005_CFR2_MEDIUM_15		0x3000

#define TSC2005_CFR2_INITVALUE		(TSC2005_CFR2_MAVE_X	| \

					 TSC2005_CFR2_MAVE_Y	| \

					 TSC2005_CFR2_MAVE_Z	| \

					 TSC2005_CFR2_MEDIUM_15	| \

					 TSC2005_CFR2_AVG_7)

#define TSC200X_CFR2_MAVE_Z		0x0004

#define TSC200X_CFR2_MAVE_Y		0x0008

#define TSC200X_CFR2_MAVE_X		0x0010

#define TSC200X_CFR2_AVG_7		0x0800

#define TSC200X_CFR2_MEDIUM_15		0x3000

#define TSC200X_CFR2_INITVALUE		(TSC200X_CFR2_MAVE_X	| \

					 TSC200X_CFR2_MAVE_Y	| \

					 TSC200X_CFR2_MAVE_Z	| \

					 TSC200X_CFR2_MEDIUM_15	| \

					 TSC200X_CFR2_AVG_7)



#define MAX_12BIT			0xfff

#define TSC2005_DEF_X_FUZZ		4

#define TSC2005_DEF_Y_FUZZ		8

#define TSC2005_DEF_P_FUZZ		2

#define TSC2005_DEF_RESISTOR		280

#define TSC200X_DEF_X_FUZZ		4

#define TSC200X_DEF_Y_FUZZ		8

#define TSC200X_DEF_P_FUZZ		2

#define TSC200X_DEF_RESISTOR		280



#define TSC2005_SPI_MAX_SPEED_HZ	10000000

#define TSC2005_PENUP_TIME_MS		40

#define TSC200X_PENUP_TIME_MS		40



extern const struct regmap_config tsc200x_regmap_config;

extern const struct dev_pm_ops tsc200x_pm_ops;