Commit e545ef39 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Dmitry Torokhov

Input: remove obsolete tnetv107x drivers

The tnetv107x platform is getting removed, so the touchscreen
and keypad drivers for this platform will no longer be needed
either.
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Acked-by: default avatarSekhar Nori <nsekhar@ti.com>
Acked-by: default avatarKevin Hilman <khilman@linaro.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 9732e5b0
...@@ -595,16 +595,6 @@ config KEYBOARD_TC3589X ...@@ -595,16 +595,6 @@ config KEYBOARD_TC3589X
To compile this driver as a module, choose M here: the To compile this driver as a module, choose M here: the
module will be called tc3589x-keypad. module will be called tc3589x-keypad.
config KEYBOARD_TNETV107X
tristate "TI TNETV107X keypad support"
depends on ARCH_DAVINCI_TNETV107X
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the TNETV107X keypad.
To compile this driver as a module, choose M here: the
module will be called tnetv107x-keypad.
config KEYBOARD_TWL4030 config KEYBOARD_TWL4030
tristate "TI TWL4030/TWL5030/TPS659x0 keypad support" tristate "TI TWL4030/TWL5030/TPS659x0 keypad support"
depends on TWL4030_CORE depends on TWL4030_CORE
......
...@@ -53,7 +53,6 @@ obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o ...@@ -53,7 +53,6 @@ obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o
obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o
obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o
obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o
obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o
obj-$(CONFIG_KEYBOARD_W90P910) += w90p910_keypad.o obj-$(CONFIG_KEYBOARD_W90P910) += w90p910_keypad.o
/*
* Texas Instruments TNETV107X Keypad Driver
*
* Copyright (C) 2010 Texas Instruments
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/input/matrix_keypad.h>
#include <linux/module.h>
#define BITS(x) (BIT(x) - 1)
#define KEYPAD_ROWS 9
#define KEYPAD_COLS 9
#define DEBOUNCE_MIN 0x400ul
#define DEBOUNCE_MAX 0x3ffffffful
struct keypad_regs {
u32 rev;
u32 mode;
u32 mask;
u32 pol;
u32 dclock;
u32 rclock;
u32 stable_cnt;
u32 in_en;
u32 out;
u32 out_en;
u32 in;
u32 lock;
u32 pres[3];
};
#define keypad_read(kp, reg) __raw_readl(&(kp)->regs->reg)
#define keypad_write(kp, reg, val) __raw_writel(val, &(kp)->regs->reg)
struct keypad_data {
struct input_dev *input_dev;
struct resource *res;
struct keypad_regs __iomem *regs;
struct clk *clk;
struct device *dev;
spinlock_t lock;
int irq_press;
int irq_release;
int rows, cols, row_shift;
int debounce_ms, active_low;
u32 prev_keys[3];
unsigned short keycodes[];
};
static irqreturn_t keypad_irq(int irq, void *data)
{
struct keypad_data *kp = data;
int i, bit, val, row, col, code;
unsigned long flags;
u32 curr_keys[3];
u32 change;
spin_lock_irqsave(&kp->lock, flags);
memset(curr_keys, 0, sizeof(curr_keys));
if (irq == kp->irq_press)
for (i = 0; i < 3; i++)
curr_keys[i] = keypad_read(kp, pres[i]);
for (i = 0; i < 3; i++) {
change = curr_keys[i] ^ kp->prev_keys[i];
while (change) {
bit = fls(change) - 1;
change ^= BIT(bit);
val = curr_keys[i] & BIT(bit);
bit += i * 32;
row = bit / KEYPAD_COLS;
col = bit % KEYPAD_COLS;
code = MATRIX_SCAN_CODE(row, col, kp->row_shift);
input_event(kp->input_dev, EV_MSC, MSC_SCAN, code);
input_report_key(kp->input_dev, kp->keycodes[code],
val);
}
}
input_sync(kp->input_dev);
memcpy(kp->prev_keys, curr_keys, sizeof(curr_keys));
if (irq == kp->irq_press)
keypad_write(kp, lock, 0); /* Allow hardware updates */
spin_unlock_irqrestore(&kp->lock, flags);
return IRQ_HANDLED;
}
static int keypad_start(struct input_dev *dev)
{
struct keypad_data *kp = input_get_drvdata(dev);
unsigned long mask, debounce, clk_rate_khz;
unsigned long flags;
clk_enable(kp->clk);
clk_rate_khz = clk_get_rate(kp->clk) / 1000;
spin_lock_irqsave(&kp->lock, flags);
/* Initialize device registers */
keypad_write(kp, mode, 0);
mask = BITS(kp->rows) << KEYPAD_COLS;
mask |= BITS(kp->cols);
keypad_write(kp, mask, ~mask);
keypad_write(kp, pol, kp->active_low ? 0 : 0x3ffff);
keypad_write(kp, stable_cnt, 3);
debounce = kp->debounce_ms * clk_rate_khz;
debounce = clamp(debounce, DEBOUNCE_MIN, DEBOUNCE_MAX);
keypad_write(kp, dclock, debounce);
keypad_write(kp, rclock, 4 * debounce);
keypad_write(kp, in_en, 1);
spin_unlock_irqrestore(&kp->lock, flags);
return 0;
}
static void keypad_stop(struct input_dev *dev)
{
struct keypad_data *kp = input_get_drvdata(dev);
synchronize_irq(kp->irq_press);
synchronize_irq(kp->irq_release);
clk_disable(kp->clk);
}
static int keypad_probe(struct platform_device *pdev)
{
const struct matrix_keypad_platform_data *pdata;
const struct matrix_keymap_data *keymap_data;
struct device *dev = &pdev->dev;
struct keypad_data *kp;
int error = 0, sz, row_shift;
u32 rev = 0;
pdata = dev_get_platdata(&pdev->dev);
if (!pdata) {
dev_err(dev, "cannot find device data\n");
return -EINVAL;
}
keymap_data = pdata->keymap_data;
if (!keymap_data) {
dev_err(dev, "cannot find keymap data\n");
return -EINVAL;
}
row_shift = get_count_order(pdata->num_col_gpios);
sz = offsetof(struct keypad_data, keycodes);
sz += (pdata->num_row_gpios << row_shift) * sizeof(kp->keycodes[0]);
kp = kzalloc(sz, GFP_KERNEL);
if (!kp) {
dev_err(dev, "cannot allocate device info\n");
return -ENOMEM;
}
kp->dev = dev;
kp->rows = pdata->num_row_gpios;
kp->cols = pdata->num_col_gpios;
kp->row_shift = row_shift;
platform_set_drvdata(pdev, kp);
spin_lock_init(&kp->lock);
kp->irq_press = platform_get_irq_byname(pdev, "press");
kp->irq_release = platform_get_irq_byname(pdev, "release");
if (kp->irq_press < 0 || kp->irq_release < 0) {
dev_err(dev, "cannot determine device interrupts\n");
error = -ENODEV;
goto error_res;
}
kp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!kp->res) {
dev_err(dev, "cannot determine register area\n");
error = -ENODEV;
goto error_res;
}
if (!request_mem_region(kp->res->start, resource_size(kp->res),
pdev->name)) {
dev_err(dev, "cannot claim register memory\n");
kp->res = NULL;
error = -EINVAL;
goto error_res;
}
kp->regs = ioremap(kp->res->start, resource_size(kp->res));
if (!kp->regs) {
dev_err(dev, "cannot map register memory\n");
error = -ENOMEM;
goto error_map;
}
kp->clk = clk_get(dev, NULL);
if (IS_ERR(kp->clk)) {
dev_err(dev, "cannot claim device clock\n");
error = PTR_ERR(kp->clk);
goto error_clk;
}
error = request_threaded_irq(kp->irq_press, NULL, keypad_irq,
IRQF_ONESHOT, dev_name(dev), kp);
if (error < 0) {
dev_err(kp->dev, "Could not allocate keypad press key irq\n");
goto error_irq_press;
}
error = request_threaded_irq(kp->irq_release, NULL, keypad_irq,
IRQF_ONESHOT, dev_name(dev), kp);
if (error < 0) {
dev_err(kp->dev, "Could not allocate keypad release key irq\n");
goto error_irq_release;
}
kp->input_dev = input_allocate_device();
if (!kp->input_dev) {
dev_err(dev, "cannot allocate input device\n");
error = -ENOMEM;
goto error_input;
}
kp->input_dev->name = pdev->name;
kp->input_dev->dev.parent = &pdev->dev;
kp->input_dev->open = keypad_start;
kp->input_dev->close = keypad_stop;
clk_enable(kp->clk);
rev = keypad_read(kp, rev);
kp->input_dev->id.bustype = BUS_HOST;
kp->input_dev->id.product = ((rev >> 8) & 0x07);
kp->input_dev->id.version = ((rev >> 16) & 0xfff);
clk_disable(kp->clk);
error = matrix_keypad_build_keymap(keymap_data, NULL,
kp->rows, kp->cols,
kp->keycodes, kp->input_dev);
if (error) {
dev_err(dev, "Failed to build keymap\n");
goto error_reg;
}
if (!pdata->no_autorepeat)
kp->input_dev->evbit[0] |= BIT_MASK(EV_REP);
input_set_capability(kp->input_dev, EV_MSC, MSC_SCAN);
input_set_drvdata(kp->input_dev, kp);
error = input_register_device(kp->input_dev);
if (error < 0) {
dev_err(dev, "Could not register input device\n");
goto error_reg;
}
return 0;
error_reg:
input_free_device(kp->input_dev);
error_input:
free_irq(kp->irq_release, kp);
error_irq_release:
free_irq(kp->irq_press, kp);
error_irq_press:
clk_put(kp->clk);
error_clk:
iounmap(kp->regs);
error_map:
release_mem_region(kp->res->start, resource_size(kp->res));
error_res:
kfree(kp);
return error;
}
static int keypad_remove(struct platform_device *pdev)
{
struct keypad_data *kp = platform_get_drvdata(pdev);
free_irq(kp->irq_press, kp);
free_irq(kp->irq_release, kp);
input_unregister_device(kp->input_dev);
clk_put(kp->clk);
iounmap(kp->regs);
release_mem_region(kp->res->start, resource_size(kp->res));
kfree(kp);
return 0;
}
static struct platform_driver keypad_driver = {
.probe = keypad_probe,
.remove = keypad_remove,
.driver.name = "tnetv107x-keypad",
.driver.owner = THIS_MODULE,
};
module_platform_driver(keypad_driver);
MODULE_AUTHOR("Cyril Chemparathy");
MODULE_DESCRIPTION("TNETV107X Keypad Driver");
MODULE_ALIAS("platform:tnetv107x-keypad");
MODULE_LICENSE("GPL");
...@@ -514,15 +514,6 @@ config TOUCHSCREEN_MIGOR ...@@ -514,15 +514,6 @@ config TOUCHSCREEN_MIGOR
To compile this driver as a module, choose M here: the To compile this driver as a module, choose M here: the
module will be called migor_ts. module will be called migor_ts.
config TOUCHSCREEN_TNETV107X
tristate "TI TNETV107X touchscreen support"
depends on ARCH_DAVINCI_TNETV107X
help
Say Y here if you want to use the TNETV107X touchscreen.
To compile this driver as a module, choose M here: the
module will be called tnetv107x-ts.
config TOUCHSCREEN_TOUCHRIGHT config TOUCHSCREEN_TOUCHRIGHT
tristate "Touchright serial touchscreen" tristate "Touchright serial touchscreen"
select SERIO select SERIO
......
...@@ -56,7 +56,6 @@ obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o ...@@ -56,7 +56,6 @@ obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o
obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o
obj-$(CONFIG_TOUCHSCREEN_SUR40) += sur40.o obj-$(CONFIG_TOUCHSCREEN_SUR40) += sur40.o
obj-$(CONFIG_TOUCHSCREEN_TI_AM335X_TSC) += ti_am335x_tsc.o obj-$(CONFIG_TOUCHSCREEN_TI_AM335X_TSC) += ti_am335x_tsc.o
obj-$(CONFIG_TOUCHSCREEN_TNETV107X) += tnetv107x-ts.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o
......
/*
* Texas Instruments TNETV107X Touchscreen Driver
*
* Copyright (C) 2010 Texas Instruments
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/ctype.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <mach/tnetv107x.h>
#define TSC_PENUP_POLL (HZ / 5)
#define IDLE_TIMEOUT 100 /* msec */
/*
* The first and last samples of a touch interval are usually garbage and need
* to be filtered out with these devices. The following definitions control
* the number of samples skipped.
*/
#define TSC_HEAD_SKIP 1
#define TSC_TAIL_SKIP 1
#define TSC_SKIP (TSC_HEAD_SKIP + TSC_TAIL_SKIP + 1)
#define TSC_SAMPLES (TSC_SKIP + 1)
/* Register Offsets */
struct tsc_regs {
u32 rev;
u32 tscm;
u32 bwcm;
u32 swc;
u32 adcchnl;
u32 adcdata;
u32 chval[4];
};
/* TSC Mode Configuration Register (tscm) bits */
#define WMODE BIT(0)
#define TSKIND BIT(1)
#define ZMEASURE_EN BIT(2)
#define IDLE BIT(3)
#define TSC_EN BIT(4)
#define STOP BIT(5)
#define ONE_SHOT BIT(6)
#define SINGLE BIT(7)
#define AVG BIT(8)
#define AVGNUM(x) (((x) & 0x03) << 9)
#define PVSTC(x) (((x) & 0x07) << 11)
#define PON BIT(14)
#define PONBG BIT(15)
#define AFERST BIT(16)
/* ADC DATA Capture Register bits */
#define DATA_VALID BIT(16)
/* Register Access Macros */
#define tsc_read(ts, reg) __raw_readl(&(ts)->regs->reg)
#define tsc_write(ts, reg, val) __raw_writel(val, &(ts)->regs->reg);
#define tsc_set_bits(ts, reg, val) \
tsc_write(ts, reg, tsc_read(ts, reg) | (val))
#define tsc_clr_bits(ts, reg, val) \
tsc_write(ts, reg, tsc_read(ts, reg) & ~(val))
struct sample {
int x, y, p;
};
struct tsc_data {
struct input_dev *input_dev;
struct resource *res;
struct tsc_regs __iomem *regs;
struct timer_list timer;
spinlock_t lock;
struct clk *clk;
struct device *dev;
int sample_count;
struct sample samples[TSC_SAMPLES];
int tsc_irq;
};
static int tsc_read_sample(struct tsc_data *ts, struct sample* sample)
{
int x, y, z1, z2, t, p = 0;
u32 val;
val = tsc_read(ts, chval[0]);
if (val & DATA_VALID)
x = val & 0xffff;
else
return -EINVAL;
y = tsc_read(ts, chval[1]) & 0xffff;
z1 = tsc_read(ts, chval[2]) & 0xffff;
z2 = tsc_read(ts, chval[3]) & 0xffff;
if (z1) {
t = ((600 * x) * (z2 - z1));
p = t / (u32) (z1 << 12);
if (p < 0)
p = 0;
}
sample->x = x;
sample->y = y;
sample->p = p;
return 0;
}
static void tsc_poll(unsigned long data)
{
struct tsc_data *ts = (struct tsc_data *)data;
unsigned long flags;
int i, val, x, y, p;
spin_lock_irqsave(&ts->lock, flags);
if (ts->sample_count >= TSC_SKIP) {
input_report_abs(ts->input_dev, ABS_PRESSURE, 0);
input_report_key(ts->input_dev, BTN_TOUCH, 0);
input_sync(ts->input_dev);
} else if (ts->sample_count > 0) {
/*
* A touch event lasted less than our skip count. Salvage and
* report anyway.
*/
for (i = 0, val = 0; i < ts->sample_count; i++)
val += ts->samples[i].x;
x = val / ts->sample_count;
for (i = 0, val = 0; i < ts->sample_count; i++)
val += ts->samples[i].y;
y = val / ts->sample_count;
for (i = 0, val = 0; i < ts->sample_count; i++)
val += ts->samples[i].p;
p = val / ts->sample_count;
input_report_abs(ts->input_dev, ABS_X, x);
input_report_abs(ts->input_dev, ABS_Y, y);
input_report_abs(ts->input_dev, ABS_PRESSURE, p);
input_report_key(ts->input_dev, BTN_TOUCH, 1);
input_sync(ts->input_dev);
}
ts->sample_count = 0;
spin_unlock_irqrestore(&ts->lock, flags);
}
static irqreturn_t tsc_irq(int irq, void *dev_id)
{
struct tsc_data *ts = (struct tsc_data *)dev_id;
struct sample *sample;
int index;
spin_lock(&ts->lock);
index = ts->sample_count % TSC_SAMPLES;
sample = &ts->samples[index];
if (tsc_read_sample(ts, sample) < 0)
goto out;
if (++ts->sample_count >= TSC_SKIP) {
index = (ts->sample_count - TSC_TAIL_SKIP - 1) % TSC_SAMPLES;
sample = &ts->samples[index];
input_report_abs(ts->input_dev, ABS_X, sample->x);
input_report_abs(ts->input_dev, ABS_Y, sample->y);
input_report_abs(ts->input_dev, ABS_PRESSURE, sample->p);
if (ts->sample_count == TSC_SKIP)
input_report_key(ts->input_dev, BTN_TOUCH, 1);
input_sync(ts->input_dev);
}
mod_timer(&ts->timer, jiffies + TSC_PENUP_POLL);
out:
spin_unlock(&ts->lock);
return IRQ_HANDLED;
}
static int tsc_start(struct input_dev *dev)
{
struct tsc_data *ts = input_get_drvdata(dev);
unsigned long timeout = jiffies + msecs_to_jiffies(IDLE_TIMEOUT);
u32 val;
clk_enable(ts->clk);
/* Go to idle mode, before any initialization */
while (time_after(timeout, jiffies)) {
if (tsc_read(ts, tscm) & IDLE)
break;
}
if (time_before(timeout, jiffies)) {
dev_warn(ts->dev, "timeout waiting for idle\n");
clk_disable(ts->clk);
return -EIO;
}
/* Configure TSC Control register*/
val = (PONBG | PON | PVSTC(4) | ONE_SHOT | ZMEASURE_EN);
tsc_write(ts, tscm, val);
/* Bring TSC out of reset: Clear AFE reset bit */
val &= ~(AFERST);
tsc_write(ts, tscm, val);
/* Configure all pins for hardware control*/
tsc_write(ts, bwcm, 0);
/* Finally enable the TSC */
tsc_set_bits(ts, tscm, TSC_EN);
return 0;
}
static void tsc_stop(struct input_dev *dev)
{
struct tsc_data *ts = input_get_drvdata(dev);
tsc_clr_bits(ts, tscm, TSC_EN);
synchronize_irq(ts->tsc_irq);
del_timer_sync(&ts->timer);
clk_disable(ts->clk);
}
static int tsc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct tsc_data *ts;
int error = 0;
u32 rev = 0;
ts = kzalloc(sizeof(struct tsc_data), GFP_KERNEL);
if (!ts) {
dev_err(dev, "cannot allocate device info\n");
return -ENOMEM;
}
ts->dev = dev;
spin_lock_init(&ts->lock);
setup_timer(&ts->timer, tsc_poll, (unsigned long)ts);
platform_set_drvdata(pdev, ts);
ts->tsc_irq = platform_get_irq(pdev, 0);
if (ts->tsc_irq < 0) {
dev_err(dev, "cannot determine device interrupt\n");
error = -ENODEV;
goto error_res;
}
ts->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!ts->res) {
dev_err(dev, "cannot determine register area\n");
error = -ENODEV;
goto error_res;
}
if (!request_mem_region(ts->res->start, resource_size(ts->res),
pdev->name)) {
dev_err(dev, "cannot claim register memory\n");
ts->res = NULL;
error = -EINVAL;
goto error_res;
}
ts->regs = ioremap(ts->res->start, resource_size(ts->res));
if (!ts->regs) {
dev_err(dev, "cannot map register memory\n");
error = -ENOMEM;
goto error_map;
}
ts->clk = clk_get(dev, NULL);
if (IS_ERR(ts->clk)) {
dev_err(dev, "cannot claim device clock\n");
error = PTR_ERR(ts->clk);
goto error_clk;
}
error = request_threaded_irq(ts->tsc_irq, NULL, tsc_irq, IRQF_ONESHOT,
dev_name(dev), ts);
if (error < 0) {
dev_err(ts->dev, "Could not allocate ts irq\n");
goto error_irq;
}
ts->input_dev = input_allocate_device();
if (!ts->input_dev) {
dev_err(dev, "cannot allocate input device\n");
error = -ENOMEM;
goto error_input;
}
input_set_drvdata(ts->input_dev, ts);
ts->input_dev->name = pdev->name;
ts->input_dev->id.bustype = BUS_HOST;
ts->input_dev->dev.parent = &pdev->dev;
ts->input_dev->open = tsc_start;
ts->input_dev->close = tsc_stop;
clk_enable(ts->clk);
rev = tsc_read(ts, rev);
ts->input_dev->id.product = ((rev >> 8) & 0x07);
ts->input_dev->id.version = ((rev >> 16) & 0xfff);
clk_disable(ts->clk);
__set_bit(EV_KEY, ts->input_dev->evbit);
__set_bit(EV_ABS, ts->input_dev->evbit);
__set_bit(BTN_TOUCH, ts->input_dev->keybit);
input_set_abs_params(ts->input_dev, ABS_X, 0, 0xffff, 5, 0);
input_set_abs_params(ts->input_dev, ABS_Y, 0, 0xffff, 5, 0);
input_set_abs_params(ts->input_dev, ABS_PRESSURE, 0, 4095, 128, 0);
error = input_register_device(ts->input_dev);
if (error < 0) {
dev_err(dev, "failed input device registration\n");
goto error_reg;
}
return 0;
error_reg:
input_free_device(ts->input_dev);
error_input:
free_irq(ts->tsc_irq, ts);
error_irq:
clk_put(ts->clk);
error_clk:
iounmap(ts->regs);
error_map:
release_mem_region(ts->res->start, resource_size(ts->res));
error_res:
kfree(ts);
return error;
}
static int tsc_remove(struct platform_device *pdev)
{
struct tsc_data *ts = platform_get_drvdata(pdev);
input_unregister_device(ts->input_dev);
free_irq(ts->tsc_irq, ts);
clk_put(ts->clk);
iounmap(ts->regs);
release_mem_region(ts->res->start, resource_size(ts->res));
kfree(ts);
return 0;
}
static struct platform_driver tsc_driver = {
.probe = tsc_probe,
.remove = tsc_remove,
.driver.name = "tnetv107x-ts",
.driver.owner = THIS_MODULE,
};
module_platform_driver(tsc_driver);
MODULE_AUTHOR("Cyril Chemparathy");
MODULE_DESCRIPTION("TNETV107X Touchscreen Driver");
MODULE_ALIAS("platform:tnetv107x-ts");
MODULE_LICENSE("GPL");
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