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lineage_kernel_xcoverpro/drivers/input/touchscreen/sec_ts/sec_ts.c

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2023-06-18 22:53:49 +00:00
/* drivers/input/touchscreen/sec_ts.c
*
* Copyright (C) 2011 Samsung Electronics Co., Ltd.
* http://www.samsungsemi.com/
*
* Core file for Samsung TSC driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/firmware.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/irq.h>
#include <linux/of_gpio.h>
#include <linux/time.h>
#include <linux/completion.h>
#include <linux/wakelock.h>
#if defined(CONFIG_TRUSTONIC_TRUSTED_UI)
#include <linux/input/tui_hal_ts.h>
#include <linux/t-base-tui.h>
#endif
#ifdef CONFIG_DRV_SAMSUNG
#include <linux/sec_class.h>
#endif
#include "../../../i2c/busses/i2c-exynos5.h"
struct sec_ts_data *tsp_info;
#include "sec_ts.h"
#ifdef CONFIG_SECURE_TOUCH
#include <soc/qcom/scm.h>
enum subsystem {
TZ = 1,
APSS = 3
};
#define TZ_BLSP_MODIFY_OWNERSHIP_ID 3
#endif
struct sec_ts_data *ts_dup;
#ifdef USE_RESET_DURING_POWER_ON
static void sec_ts_reset_work(struct work_struct *work);
#endif
static void sec_ts_read_nv_work(struct work_struct *work);
#ifdef USE_OPEN_CLOSE
static int sec_ts_input_open(struct input_dev *dev);
static void sec_ts_input_close(struct input_dev *dev);
#endif
static int sec_ts_stop_device(struct sec_ts_data *ts);
static int sec_ts_start_device(struct sec_ts_data *ts);
static int sec_ts_read_information(struct sec_ts_data *ts);
static int sec_ts_set_lowpowermode(struct sec_ts_data *ts, u8 mode);
u8 lv1cmd;
u8 *read_lv1_buff;
static int lv1_readsize;
static int lv1_readremain;
static int lv1_readoffset;
static u32 use_ic_info = 1;
static ssize_t sec_ts_reg_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size);
static ssize_t sec_ts_regreadsize_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size);
static inline ssize_t sec_ts_store_error(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count);
static ssize_t sec_ts_enter_recovery_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size);
static ssize_t sec_ts_regread_show(struct device *dev,
struct device_attribute *attr, char *buf);
static ssize_t sec_ts_gesture_status_show(struct device *dev,
struct device_attribute *attr, char *buf);
static inline ssize_t sec_ts_show_error(struct device *dev,
struct device_attribute *attr, char *buf);
static DEVICE_ATTR(sec_ts_reg, (S_IWUSR | S_IWGRP), NULL, sec_ts_reg_store);
static DEVICE_ATTR(sec_ts_regreadsize, (S_IWUSR | S_IWGRP), NULL, sec_ts_regreadsize_store);
static DEVICE_ATTR(sec_ts_enter_recovery, (S_IWUSR | S_IWGRP), NULL, sec_ts_enter_recovery_store);
static DEVICE_ATTR(sec_ts_regread, S_IRUGO, sec_ts_regread_show, NULL);
static DEVICE_ATTR(sec_ts_gesture_status, S_IRUGO, sec_ts_gesture_status_show, NULL);
static struct attribute *cmd_attributes[] = {
&dev_attr_sec_ts_reg.attr,
&dev_attr_sec_ts_regreadsize.attr,
&dev_attr_sec_ts_enter_recovery.attr,
&dev_attr_sec_ts_regread.attr,
&dev_attr_sec_ts_gesture_status.attr,
NULL,
};
static struct attribute_group cmd_attr_group = {
.attrs = cmd_attributes,
};
static inline ssize_t sec_ts_show_error(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
input_err(true, &ts->client->dev, "sec_ts :%s read only function, %s\n", __func__, attr->attr.name);
return -EPERM;
}
static inline ssize_t sec_ts_store_error(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
input_err(true, &ts->client->dev, "sec_ts :%s write only function, %s\n", __func__, attr->attr.name);
return -EPERM;
}
#ifdef CONFIG_SECURE_TOUCH
static int sec_ts_change_pipe_owner(struct sec_ts_data *ts, enum subsystem subsystem)
{
/* scm call disciptor */
struct scm_desc desc;
int ret = 0;
/* number of arguments */
desc.arginfo = SCM_ARGS(2);
/* BLSPID (1 - 12) */
desc.args[0] = ts->client->adapter->nr - 1;
/* Owner if TZ or APSS */
desc.args[1] = subsystem;
ret = scm_call2(SCM_SIP_FNID(SCM_SVC_TZ, TZ_BLSP_MODIFY_OWNERSHIP_ID), &desc);
input_err(true, &ts->client->dev, "%s: return1: %d\n", __func__, ret);
if (ret)
return ret;
input_err(true, &ts->client->dev, "%s: return2: %llu\n", __func__, desc.ret[0]);
return desc.ret[0];
}
static irqreturn_t sec_ts_irq_thread(int irq, void *ptr);
/**
* Sysfs attr group for secure touch & interrupt handler for Secure world.
* @atomic : syncronization for secure_enabled
* @pm_runtime : set rpm_resume or rpm_ilde
*/
static void secure_touch_notify(struct sec_ts_data *ts)
{
input_info(true, &ts->client->dev, "%s\n", __func__);
sysfs_notify(&ts->input_dev->dev.kobj, NULL, "secure_touch");
}
static irqreturn_t secure_filter_interrupt(struct sec_ts_data *ts)
{
if (atomic_read(&ts->secure_enabled) == SECURE_TOUCH_ENABLE) {
if (atomic_cmpxchg(&ts->secure_pending_irqs, 0, 1) == 0) {
input_info(true, &ts->client->dev, "%s: pending irq:%d\n",
__func__, (int)atomic_read(&ts->secure_pending_irqs));
secure_touch_notify(ts);
#if defined(CONFIG_TRUSTONIC_TRUSTED_UI)
complete(&ts->st_irq_received);
#endif
} else {
input_info(true, &ts->client->dev, "%s: --\n", __func__);
}
return IRQ_HANDLED;
}
return IRQ_NONE;
}
static int secure_touch_clk_prepare_enable(struct sec_ts_data *ts)
{
int ret;
if (!ts->core_clk || !ts->iface_clk) {
input_err(true, &ts->client->dev, "%s: error clk\n", __func__);
return -ENODEV;
}
ret = clk_prepare_enable(ts->core_clk);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: failed core clk\n", __func__);
goto err_core_clk;
}
ret = clk_prepare_enable(ts->iface_clk);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: failed iface clk\n", __func__);
goto err_iface_clk;
}
return 0;
err_iface_clk:
clk_disable_unprepare(ts->core_clk);
err_core_clk:
return -ENODEV;
}
static void secure_touch_clk_unprepare_disable(struct sec_ts_data *ts)
{
if (!ts->core_clk || !ts->iface_clk) {
input_err(true, &ts->client->dev, "%s: error clk\n", __func__);
return;
}
clk_disable_unprepare(ts->core_clk);
clk_disable_unprepare(ts->iface_clk);
}
static ssize_t secure_touch_enable_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%d", atomic_read(&ts->secure_enabled));
}
static ssize_t secure_touch_enable_store(struct device *dev,
struct device_attribute *addr, const char *buf, size_t count)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
int data, ret;
ret = sscanf(buf, "%d", &data);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: failed to read:%d\n",
__func__, ret);
return -EINVAL;
}
if (data == 1) {
/* Enable Secure World */
if (atomic_read(&ts->secure_enabled) == SECURE_TOUCH_ENABLE) {
input_err(true, &ts->client->dev, "%s: already enabled\n", __func__);
return -EBUSY;
}
/* syncronize_irq -> disable_irq + enable_irq
* concern about timing issue.
*/
disable_irq(ts->client->irq);
/* Fix normal active mode : idle mode is failed to i2c for 1 time */
ret = sec_ts_fix_tmode(ts, TOUCH_SYSTEM_MODE_TOUCH, TOUCH_MODE_STATE_TOUCH);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: failed to fix tmode\n",
__func__);
return -EIO;
}
/* Release All Finger */
sec_ts_unlocked_release_all_finger(ts);
if (pm_runtime_get_sync(ts->client->adapter->dev.parent) < 0) {
input_err(true, &ts->client->dev, "%s: failed to get pm_runtime\n", __func__);
return -EIO;
}
if (secure_touch_clk_prepare_enable(ts) < 0) {
pm_runtime_put_sync(ts->client->adapter->dev.parent);
input_err(true, &ts->client->dev, "%s: failed to clk enable\n", __func__);
return -ENXIO;
}
sec_ts_change_pipe_owner(ts, TZ);
reinit_completion(&ts->secure_powerdown);
reinit_completion(&ts->secure_interrupt);
#if defined(CONFIG_TRUSTONIC_TRUSTED_UI)
reinit_completion(&ts->st_irq_received);
#endif
atomic_set(&ts->secure_enabled, 1);
atomic_set(&ts->secure_pending_irqs, 0);
enable_irq(ts->client->irq);
input_info(true, &ts->client->dev, "%s: secure touch enable\n", __func__);
} else if (data == 0) {
/* Disable Secure World */
if (atomic_read(&ts->secure_enabled) == SECURE_TOUCH_DISABLE) {
input_err(true, &ts->client->dev, "%s: already disabled\n", __func__);
return count;
}
sec_ts_change_pipe_owner(ts, APSS);
secure_touch_clk_unprepare_disable(ts);
pm_runtime_put_sync(ts->client->adapter->dev.parent);
atomic_set(&ts->secure_enabled, 0);
secure_touch_notify(ts);
sec_ts_delay(10);
sec_ts_irq_thread(ts->client->irq, ts);
complete(&ts->secure_interrupt);
complete(&ts->secure_powerdown);
#if defined(CONFIG_TRUSTONIC_TRUSTED_UI)
complete(&ts->st_irq_received);
#endif
input_info(true, &ts->client->dev, "%s: secure touch disable\n", __func__);
ret = sec_ts_release_tmode(ts);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: failed to release tmode\n",
__func__);
return -EIO;
}
} else {
input_err(true, &ts->client->dev, "%s: unsupport value:%d\n", __func__, data);
return -EINVAL;
}
return count;
}
#if defined(CONFIG_TRUSTONIC_TRUSTED_UI)
static int secure_get_irq(struct device *dev)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
int val = 0;
if (atomic_read(&ts->secure_enabled) == SECURE_TOUCH_DISABLE) {
input_err(true, &ts->client->dev, "%s: disabled\n", __func__);
return -EBADF;
}
if (atomic_cmpxchg(&ts->secure_pending_irqs, -1, 0) == -1) {
input_err(true, &ts->client->dev, "%s: pending irq -1\n", __func__);
return -EINVAL;
}
if (atomic_cmpxchg(&ts->secure_pending_irqs, 1, 0) == 1)
val = 1;
input_err(true, &ts->client->dev, "%s: pending irq is %d\n",
__func__, atomic_read(&ts->secure_pending_irqs));
complete(&ts->secure_interrupt);
return val;
}
#endif
static ssize_t secure_touch_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
int val = 0;
if (atomic_read(&ts->secure_enabled) == SECURE_TOUCH_DISABLE) {
input_err(true, &ts->client->dev, "%s: disabled\n", __func__);
return -EBADF;
}
if (atomic_cmpxchg(&ts->secure_pending_irqs, -1, 0) == -1) {
input_err(true, &ts->client->dev, "%s: pending irq -1\n", __func__);
return -EINVAL;
}
if (atomic_cmpxchg(&ts->secure_pending_irqs, 1, 0) == 1)
val = 1;
input_err(true, &ts->client->dev, "%s: pending irq is %d\n",
__func__, atomic_read(&ts->secure_pending_irqs));
complete(&ts->secure_interrupt);
return snprintf(buf, PAGE_SIZE, "%u", val);
}
static ssize_t secure_ownership_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "1");
}
static DEVICE_ATTR(secure_touch_enable, (S_IRUGO | S_IWUSR | S_IWGRP),
secure_touch_enable_show, secure_touch_enable_store);
static DEVICE_ATTR(secure_touch, S_IRUGO, secure_touch_show, NULL);
static DEVICE_ATTR(secure_ownership, S_IRUGO, secure_ownership_show, NULL);
static struct attribute *secure_attr[] = {
&dev_attr_secure_touch_enable.attr,
&dev_attr_secure_touch.attr,
&dev_attr_secure_ownership.attr,
NULL,
};
static struct attribute_group secure_attr_group = {
.attrs = secure_attr,
};
static int secure_touch_init(struct sec_ts_data *ts)
{
input_info(true, &ts->client->dev, "%s\n", __func__);
init_completion(&ts->secure_interrupt);
init_completion(&ts->secure_powerdown);
#if defined(CONFIG_TRUSTONIC_TRUSTED_UI)
init_completion(&ts->st_irq_received);
#endif
ts->core_clk = clk_get(&ts->client->adapter->dev, "core_clk");
if (IS_ERR_OR_NULL(ts->core_clk)) {
input_err(true, &ts->client->dev, "%s: failed to get core_clk: %ld\n",
__func__, PTR_ERR(ts->core_clk));
goto err_core_clk;
}
ts->iface_clk = clk_get(&ts->client->adapter->dev, "iface_clk");
if (IS_ERR_OR_NULL(ts->iface_clk)) {
input_err(true, &ts->client->dev, "%s: failed to get iface_clk: %ld\n",
__func__, PTR_ERR(ts->iface_clk));
goto err_iface_clk;
}
#if defined(CONFIG_TRUSTONIC_TRUSTED_UI)
register_tui_hal_ts(&ts->input_dev->dev, \
&ts->secure_enabled, \
&ts->st_irq_received, \
secure_get_irq, \
secure_touch_enable_store);
#endif
return 0;
err_iface_clk:
clk_put(ts->core_clk);
err_core_clk:
ts->core_clk = NULL;
ts->iface_clk = NULL;
return ENODEV;
}
static void secure_touch_stop(struct sec_ts_data *ts, bool stop)
{
if (atomic_read(&ts->secure_enabled)) {
atomic_set(&ts->secure_pending_irqs, -1);
secure_touch_notify(ts);
#if defined(CONFIG_TRUSTONIC_TRUSTED_UI)
complete(&ts->st_irq_received);
#endif
if (stop)
wait_for_completion_interruptible(&ts->secure_powerdown);
input_info(true, &ts->client->dev, "%s: %d\n", __func__, stop);
}
}
#endif
int sec_ts_i2c_write(struct sec_ts_data *ts, u8 reg, u8 *data, int len)
{
u8 buf[I2C_WRITE_BUFFER_SIZE + 1];
int ret;
unsigned char retry;
struct i2c_msg msg;
#ifdef CONFIG_SECURE_TOUCH
if (atomic_read(&ts->secure_enabled) == SECURE_TOUCH_ENABLE) {
dev_err(&ts->client->dev,
"%s: TSP no accessible from Linux, TUI is enabled!\n", __func__);
return -EBUSY;
}
#endif
#ifdef CONFIG_TRUSTONIC_TRUSTED_UI
if (TRUSTEDUI_MODE_INPUT_SECURED & trustedui_get_current_mode()) {
input_err(true, &ts->client->dev,
"%s: TSP no accessible from Linux, TRUSTED_UI is enabled!\n", __func__);
return -EIO;
}
#endif
if (len > I2C_WRITE_BUFFER_SIZE) {
input_err(true, &ts->client->dev, "sec_ts_i2c_write len is larger than buffer size\n");
return -1;
}
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s: POWER_STATUS : OFF\n", __func__);
goto err;
}
buf[0] = reg;
memcpy(buf + 1, data, len);
msg.addr = ts->client->addr;
msg.flags = 0;
msg.len = len + 1;
msg.buf = buf;
mutex_lock(&ts->i2c_mutex);
for (retry = 0; retry < SEC_TS_I2C_RETRY_CNT; retry++) {
if ((ret = i2c_transfer(ts->client->adapter, &msg, 1)) == 1)
break;
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s: POWER_STATUS : OFF, retry:%d\n", __func__, retry);
mutex_unlock(&ts->i2c_mutex);
goto err;
}
input_err(true, &ts->client->dev, "%s: I2C retry %d\n", __func__, retry + 1);
usleep_range(1 * 1000, 1 * 1000);
}
mutex_unlock(&ts->i2c_mutex);
if (retry == SEC_TS_I2C_RETRY_CNT) {
input_err(true, &ts->client->dev, "%s: I2C write over retry limit\n", __func__);
ret = -EIO;
#ifdef USE_POR_AFTER_I2C_RETRY
schedule_delayed_work(&ts->reset_work, msecs_to_jiffies(TOUCH_RESET_DWORK_TIME));
#endif
}
if (ret == 1)
return 0;
err:
return -EIO;
}
int sec_ts_i2c_read(struct sec_ts_data *ts, u8 reg, u8 *data, int len)
{
u8 buf[4];
int ret;
unsigned char retry;
struct i2c_msg msg[2];
int remain = len;
#ifdef CONFIG_SECURE_TOUCH
if (atomic_read(&ts->secure_enabled) == SECURE_TOUCH_ENABLE) {
dev_err(&ts->client->dev,
"%s: TSP no accessible from Linux, TUI is enabled!\n", __func__);
return -EBUSY;
}
#endif
#ifdef CONFIG_TRUSTONIC_TRUSTED_UI
if (TRUSTEDUI_MODE_INPUT_SECURED & trustedui_get_current_mode()) {
input_err(true, &ts->client->dev,
"%s: TSP no accessible from Linux, TRUSTED_UI is enabled!\n", __func__);
return -EIO;
}
#endif
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s: POWER_STATUS : OFF\n", __func__);
goto err;
}
buf[0] = reg;
msg[0].addr = ts->client->addr;
msg[0].flags = 0;
msg[0].len = 1;
msg[0].buf = buf;
msg[1].addr = ts->client->addr;
msg[1].flags = I2C_M_RD;
msg[1].len = len;
msg[1].buf = data;
mutex_lock(&ts->i2c_mutex);
if (len <= ts->i2c_burstmax) {
for (retry = 0; retry < SEC_TS_I2C_RETRY_CNT; retry++) {
ret = i2c_transfer(ts->client->adapter, msg, 2);
if (ret == 2)
break;
usleep_range(1 * 1000, 1 * 1000);
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s: POWER_STATUS : OFF, retry:%d\n", __func__, retry);
mutex_unlock(&ts->i2c_mutex);
goto err;
}
}
} else {
/*
* I2C read buffer is 256 byte. do not support long buffer over than 256.
* So, try to seperate reading data about 256 bytes.
*/
for (retry = 0; retry < SEC_TS_I2C_RETRY_CNT; retry++) {
ret = i2c_transfer(ts->client->adapter, msg, 1);
if (ret == 1)
break;
usleep_range(1 * 1000, 1 * 1000);
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s: POWER_STATUS : OFF, retry:%d\n", __func__, retry);
mutex_unlock(&ts->i2c_mutex);
goto err;
}
}
do {
if (remain > ts->i2c_burstmax)
msg[1].len = ts->i2c_burstmax;
else
msg[1].len = remain;
remain -= ts->i2c_burstmax;
for (retry = 0; retry < SEC_TS_I2C_RETRY_CNT; retry++) {
ret = i2c_transfer(ts->client->adapter, &msg[1], 1);
if (ret == 1)
break;
usleep_range(1 * 1000, 1 * 1000);
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s: POWER_STATUS : OFF, retry:%d\n", __func__, retry);
mutex_unlock(&ts->i2c_mutex);
goto err;
}
}
msg[1].buf += msg[1].len;
} while (remain > 0);
}
mutex_unlock(&ts->i2c_mutex);
if (retry == SEC_TS_I2C_RETRY_CNT) {
input_err(true, &ts->client->dev, "%s: I2C read over retry limit\n", __func__);
ret = -EIO;
#ifdef USE_POR_AFTER_I2C_RETRY
schedule_delayed_work(&ts->reset_work, msecs_to_jiffies(TOUCH_RESET_DWORK_TIME));
#endif
}
return ret;
err:
return -EIO;
}
static int sec_ts_i2c_write_burst(struct sec_ts_data *ts, u8 *data, int len)
{
int ret;
int retry;
#ifdef CONFIG_SECURE_TOUCH
if (atomic_read(&ts->secure_enabled) == SECURE_TOUCH_ENABLE) {
dev_err(&ts->client->dev,
"%s: TSP no accessible from Linux, TUI is enabled\n", __func__);
return -EBUSY;
}
#endif
mutex_lock(&ts->i2c_mutex);
for (retry = 0; retry < SEC_TS_I2C_RETRY_CNT; retry++) {
if ((ret = i2c_master_send(ts->client, data, len)) == len)
break;
usleep_range(1 * 1000, 1 * 1000);
}
mutex_unlock(&ts->i2c_mutex);
if (retry == SEC_TS_I2C_RETRY_CNT) {
input_err(true, &ts->client->dev, "%s: I2C write over retry limit\n", __func__);
ret = -EIO;
}
return ret;
}
static int sec_ts_i2c_read_bulk(struct sec_ts_data *ts, u8 *data, int len)
{
int ret;
unsigned char retry;
int remain = len;
struct i2c_msg msg;
#ifdef CONFIG_SECURE_TOUCH
if (atomic_read(&ts->secure_enabled) == SECURE_TOUCH_ENABLE) {
dev_err(&ts->client->dev,
"%s: TSP no accessible from Linux, TUI is enabled\n", __func__);
return -EBUSY;
}
#endif
msg.addr = ts->client->addr;
msg.flags = I2C_M_RD;
msg.len = len;
msg.buf = data;
mutex_lock(&ts->i2c_mutex);
do {
if (remain > ts->i2c_burstmax)
msg.len = ts->i2c_burstmax;
else
msg.len = remain;
remain -= ts->i2c_burstmax;
for (retry = 0; retry < SEC_TS_I2C_RETRY_CNT; retry++) {
ret = i2c_transfer(ts->client->adapter, &msg, 1);
if (ret == 1)
break;
usleep_range(1 * 1000, 1 * 1000);
}
if (retry == SEC_TS_I2C_RETRY_CNT) {
input_err(true, &ts->client->dev, "%s: I2C read over retry limit\n", __func__);
ret = -EIO;
break;
}
msg.buf += msg.len;
} while (remain > 0);
mutex_unlock(&ts->i2c_mutex);
if (ret == 1)
return 0;
return -EIO;
}
static int sec_ts_read_from_sponge(struct sec_ts_data *ts, u8 *data)
{
int ret;
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SPONGE_READ_PARAM, data, 2);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: fail to read sponge command\n", __func__);
ret = sec_ts_i2c_read(ts, SEC_TS_CMD_SPONGE_READ_PARAM, data, sizeof(data));
if (ret < 0)
input_err(true, &ts->client->dev, "%s: fail to read sponge command\n", __func__);
return ret;
}
#if defined(CONFIG_TOUCHSCREEN_DUMP_MODE)
#include <linux/qcom/sec_debug.h>
extern struct tsp_dump_callbacks dump_callbacks;
static struct delayed_work * p_ghost_check;
extern void sec_ts_run_rawdata_all(struct sec_ts_data *ts);
static void sec_ts_check_rawdata(struct work_struct *work)
{
struct sec_ts_data *ts = container_of(work, struct sec_ts_data, ghost_check.work);
if (ts->tsp_dump_lock == 1) {
input_err(true, &ts->client->dev, "%s, ignored ## already checking..\n", __func__);
return;
}
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s, ignored ## IC is power off\n", __func__);
return;
}
ts->tsp_dump_lock = 1;
input_err(true, &ts->client->dev, "%s, start ##\n", __func__);
sec_ts_run_rawdata_all((void *)ts);
msleep(100);
input_err(true, &ts->client->dev, "%s, done ##\n", __func__);
ts->tsp_dump_lock = 0;
}
static void dump_tsp_log(void)
{
printk(KERN_ERR "%s sec_ts %s: start \n", SECLOG, __func__);
#ifdef CONFIG_BATTERY_SAMSUNG
if (lpcharge == 1) {
printk(KERN_ERR "%s sec_ts %s, ignored ## lpm charging Mode!!\n", SECLOG, __func__);
return;
}
#endif
if (p_ghost_check == NULL) {
printk(KERN_ERR "%s sec_ts %s, ignored ## tsp probe fail!!\n", SECLOG, __func__);
return;
}
schedule_delayed_work(p_ghost_check, msecs_to_jiffies(100));
}
#endif
void sec_ts_delay(unsigned int ms)
{
if (ms < 20)
usleep_range(ms * 1000, ms * 1000);
else
msleep(ms);
}
int sec_ts_wait_for_ready(struct sec_ts_data *ts, unsigned int ack)
{
int rc = -1;
int retry = 0;
u8 tBuff[SEC_TS_EVENT_BUFF_SIZE] = {0,};
while (sec_ts_i2c_read(ts, SEC_TS_READ_ONE_EVENT, tBuff, SEC_TS_EVENT_BUFF_SIZE)) {
if (((tBuff[0] >> 2) & 0xF) == TYPE_STATUS_EVENT_INFO) {
if (tBuff[1] == ack) {
rc = 0;
break;
}
} else if (((tBuff[0] >> 2) & 0xF) == TYPE_STATUS_EVENT_VENDOR_INFO) {
if (tBuff[1] == ack) {
rc = 0;
break;
}
}
if (retry++ > SEC_TS_WAIT_RETRY_CNT) {
input_err(true, &ts->client->dev, "%s: Time Over\n", __func__);
break;
}
sec_ts_delay(20);
}
input_info(true, &ts->client->dev,
"%s: %02X, %02X, %02X, %02X, %02X, %02X, %02X, %02X [%d]\n",
__func__, tBuff[0], tBuff[1], tBuff[2], tBuff[3],
tBuff[4], tBuff[5], tBuff[6], tBuff[7], retry);
return rc;
}
int sec_ts_read_calibration_report(struct sec_ts_data *ts)
{
int ret;
u8 buf[5] = { 0 };
buf[0] = SEC_TS_READ_CALIBRATION_REPORT;
ret = sec_ts_i2c_read(ts, buf[0], &buf[1], 4);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: failed to read, %d\n", __func__, ret);
return ret;
}
input_info(true, &ts->client->dev, "%s: count:%d, pass count:%d, fail count:%d, status:0x%X\n",
__func__, buf[1], buf[2], buf[3], buf[4]);
return buf[4];
}
#define MAX_EVENT_COUNT 32
static void sec_ts_read_event(struct sec_ts_data *ts)
{
int ret;
int t_id;
int event_id;
int left_event_count;
u8 read_event_buff[MAX_EVENT_COUNT][SEC_TS_EVENT_BUFF_SIZE] = {{0}};
u8 *event_buff;
struct sec_ts_event_coordinate *p_event_coord;
struct sec_ts_coordinate *coordinate = NULL;
struct sec_ts_gesture_status *p_gesture_status;
struct sec_ts_event_status *p_event_status;
int curr_pos;
int remain_event_count = 0;
struct sec_ts_plat_data *pdata = ts->plat_data;
/* in LPM, waiting blsp block resume */
if (ts->power_status == SEC_TS_STATE_LPM_SUSPEND) {
wake_lock_timeout(&ts->wakelock, msecs_to_jiffies(3 * MSEC_PER_SEC));
/* waiting for blsp block resuming, if not occurs i2c error */
ret = wait_for_completion_interruptible_timeout(&ts->resume_done, msecs_to_jiffies(3 * MSEC_PER_SEC));
if (ret == 0) {
input_err(true, &ts->client->dev, "%s: LPM: pm resume is not handled\n", __func__);
return;
}
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: LPM: -ERESTARTSYS if interrupted, %d\n", __func__, ret);
return;
}
input_err(true, &ts->client->dev, "%s: run LPM interrupt handler, %d\n", __func__, ret);
/* run lpm interrupt handler */
}
ret = t_id = event_id = curr_pos = remain_event_count = 0;
/* repeat READ_ONE_EVENT until buffer is empty(No event) */
ret = sec_ts_i2c_read(ts, SEC_TS_READ_ONE_EVENT, (u8*)read_event_buff[0], SEC_TS_EVENT_BUFF_SIZE);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: i2c read one event failed\n", __func__);
return;
}
if (read_event_buff[0][0] == 0) {
input_info(true, &ts->client->dev, "%s: event buffer is empty\n", __func__);
return;
}
left_event_count = read_event_buff[0][7] & 0x3F;
remain_event_count = left_event_count;
if (left_event_count > MAX_EVENT_COUNT - 1 || left_event_count == 0xFF) {
input_err(true, &ts->client->dev, "%s: event buffer overflow\n", __func__);
/* write clear event stack command when read_event_count > MAX_EVENT_COUNT */
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_CLEAR_EVENT_STACK, NULL, 0);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: i2c write clear event failed\n", __func__);
return;
}
if (left_event_count > 0) {
ret = sec_ts_i2c_read(ts, SEC_TS_READ_ALL_EVENT, (u8*)read_event_buff[1],
sizeof(u8) * (SEC_TS_EVENT_BUFF_SIZE) * (left_event_count));
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: i2c read one event failed\n", __func__);
return;
}
}
do {
event_buff = read_event_buff[curr_pos];
event_id = event_buff[0] & 0x3;
switch (event_id) {
case SEC_TS_STATUS_EVENT:
p_event_status = (struct sec_ts_event_status *)event_buff;
/* tchsta == 0 && ttype == 0 && eid == 0 : buffer empty */
if (p_event_status->stype > 0)
input_info(true, &ts->client->dev, "%s: STATUS %x %x %x %x %x %x %x %x\n", __func__,
event_buff[0], event_buff[1], event_buff[2],
event_buff[3], event_buff[4], event_buff[5],
event_buff[6], event_buff[7]);
/* watchdog reset -> send SENSEON command */ /*=>?????*/
if ((p_event_status->stype == TYPE_STATUS_EVENT_INFO) &&
(p_event_status->status_id == SEC_TS_ACK_BOOT_COMPLETE) &&
(p_event_status->status_data_1 == 0x20)) {
sec_ts_unlocked_release_all_finger(ts);
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SENSE_ON, NULL, 0);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: fail to write Sense_on\n", __func__);
}
/* event queue full-> all finger release */
if ((p_event_status->stype == TYPE_STATUS_EVENT_ERR) &&
(p_event_status->status_id == SEC_TS_ERR_EVENT_QUEUE_FULL)) {
input_err(true, &ts->client->dev, "%s: IC Event Queue is full\n", __func__);
sec_ts_unlocked_release_all_finger(ts);
}
if ((p_event_status->stype == TYPE_STATUS_EVENT_ERR) &&
(p_event_status->status_id == SEC_TS_ERR_EVENT_ESD)) {
input_err(true, &ts->client->dev, "%s: ESD detected. run reset\n", __func__);
#ifdef USE_RESET_DURING_POWER_ON
schedule_work(&ts->reset_work.work);
#endif
}
if ((p_event_status->stype == TYPE_STATUS_EVENT_INFO) &&
(p_event_status->status_id == SEC_TS_ACK_WET_MODE)) {
ts->wet_mode = p_event_status->status_data_1;
input_info(true, &ts->client->dev, "%s: water wet mode %d\n",
__func__, ts->wet_mode);
}
if ((p_event_status->stype == TYPE_STATUS_EVENT_USER_INPUT) &&
(p_event_status->status_id == SEC_TS_EVENT_FORCE_KEY)) {
u8 sponge[3] = { 0 };
u8 data[4] = {0x52, 0x00, 0x00, 0x00};
ret = sec_ts_read_from_sponge(ts, sponge);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: fail to read sponge data\n", __func__);
input_info(true, &ts->client->dev, "%s: Sponge, %x, %x, %x\n",
__func__, sponge[0], sponge[1], sponge[2]);
ret = sec_ts_read_from_sponge(ts, data);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: fail to read sponge data\n", __func__);
ts->scrub_id = SPECIAL_EVENT_TYPE_AOD_HOMEKEY;
ts->scrub_x = (data[1] & 0xFF) << 8 | (data[0] & 0xFF);
ts->scrub_y = (data[3] & 0xFF) << 8 | (data[2] & 0xFF);
if (sponge[1] == 0x40)
input_report_key(ts->input_dev, KEY_HOMEPAGE, 1);
else
input_report_key(ts->input_dev, KEY_HOMEPAGE, 0);
input_report_key(ts->input_dev, KEY_BLACK_UI_GESTURE, 1);
input_sync(ts->input_dev);
input_report_key(ts->input_dev, KEY_HOMEPAGE, 0);
input_report_key(ts->input_dev, KEY_BLACK_UI_GESTURE, 0);
input_info(true, &ts->client->dev,
"%s: [HOME key] %s\n", __func__, sponge[1] == 0x40 ? "press" : "release");
}
break;
case SEC_TS_COORDINATE_EVENT:
if (ts->input_closed) {
input_info(true, &ts->client->dev, "%s: device is closed\n", __func__);
remain_event_count = 0;
break;
}
p_event_coord = (struct sec_ts_event_coordinate *)event_buff;
t_id = (p_event_coord->tid - 1);
if (t_id < MAX_SUPPORT_TOUCH_COUNT + MAX_SUPPORT_HOVER_COUNT) {
coordinate = &ts->coord[t_id];
coordinate->id = t_id;
coordinate->action = p_event_coord->tchsta;
coordinate->x = (p_event_coord->x_11_4 << 4) | (p_event_coord->x_3_0);
coordinate->y = (p_event_coord->y_11_4 << 4) | (p_event_coord->y_3_0);
coordinate->z = p_event_coord->z & 0x3F;
coordinate->ttype = p_event_coord->ttype_3_2 << 2 | p_event_coord->ttype_1_0 << 0;
coordinate->major = p_event_coord->major;
coordinate->minor = p_event_coord->minor;
if ((strcmp(pdata->project_name, "lassen") == 0) &&
(strcmp(pdata->model_name, "universal7885_FHD") == 0)) {
if (coordinate->y < 203 || coordinate->y >= 3745)
break;
coordinate->y -= 203;
}
if (!coordinate->palm && (coordinate->ttype == SEC_TS_TOUCHTYPE_PALM))
coordinate->palm_count++;
coordinate->palm = (coordinate->ttype == SEC_TS_TOUCHTYPE_PALM);
coordinate->left_event = p_event_coord->left_event;
if (coordinate->z <= 0)
coordinate->z = 1;
if ((coordinate->ttype == SEC_TS_TOUCHTYPE_NORMAL)
|| (coordinate->ttype == SEC_TS_TOUCHTYPE_PALM)
|| (coordinate->ttype == SEC_TS_TOUCHTYPE_GLOVE)) {
if (coordinate->action == SEC_TS_COORDINATE_ACTION_RELEASE) {
input_mt_slot(ts->input_dev, t_id);
input_report_abs(ts->input_dev, ABS_MT_PRESSURE, 0);
input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, 0);
if (ts->touch_count > 0)
ts->touch_count--;
if (ts->touch_count == 0) {
input_report_key(ts->input_dev, BTN_TOUCH, 0);
input_report_key(ts->input_dev, BTN_TOOL_FINGER, 0);
}
} else if (coordinate->action == SEC_TS_COORDINATE_ACTION_PRESS) {
ts->touch_count++;
input_mt_slot(ts->input_dev, t_id);
input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, 1);
input_report_key(ts->input_dev, BTN_TOUCH, 1);
input_report_key(ts->input_dev, BTN_TOOL_FINGER, 1);
input_report_abs(ts->input_dev, ABS_MT_POSITION_X, coordinate->x);
input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, coordinate->y);
input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, coordinate->major);
input_report_abs(ts->input_dev, ABS_MT_TOUCH_MINOR, coordinate->minor);
input_report_abs(ts->input_dev, ABS_MT_PALM, coordinate->palm);
input_report_abs(ts->input_dev, ABS_MT_PRESSURE, coordinate->z);
} else if (coordinate->action == SEC_TS_COORDINATE_ACTION_MOVE) {
if ((coordinate->ttype == SEC_TS_TOUCHTYPE_GLOVE) && !ts->touchkey_glove_mode_status) {
ts->touchkey_glove_mode_status = true;
input_report_switch(ts->input_dev, SW_GLOVE, 1);
} else if ((coordinate->ttype != SEC_TS_TOUCHTYPE_GLOVE) && ts->touchkey_glove_mode_status) {
ts->touchkey_glove_mode_status = false;
input_report_switch(ts->input_dev, SW_GLOVE, 0);
}
input_mt_slot(ts->input_dev, t_id);
input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, 1);
input_report_key(ts->input_dev, BTN_TOUCH, 1);
input_report_key(ts->input_dev, BTN_TOOL_FINGER, 1);
input_report_abs(ts->input_dev, ABS_MT_POSITION_X, coordinate->x);
input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, coordinate->y);
input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, coordinate->major);
input_report_abs(ts->input_dev, ABS_MT_TOUCH_MINOR, coordinate->minor);
input_report_abs(ts->input_dev, ABS_MT_PALM, coordinate->palm);
input_report_abs(ts->input_dev, ABS_MT_PRESSURE, coordinate->z);
coordinate->mcount++;
} else {
input_dbg(true, &ts->client->dev,
"%s: do not support coordinate action(%d)\n", __func__, coordinate->action);
}
} else {
input_dbg(true, &ts->client->dev,
"%s: do not support coordinate type(%d)\n", __func__, coordinate->ttype);
}
} else {
input_err(true, &ts->client->dev, "%s: tid(%d) is out of range\n", __func__, t_id);
}
break;
case SEC_TS_GESTURE_EVENT:
p_gesture_status = (struct sec_ts_gesture_status *)event_buff;
if ((p_gesture_status->eid == 0x02) && (p_gesture_status->stype == 0x00)) {
u8 sponge[3] = { 0 };
ret = sec_ts_read_from_sponge(ts, sponge);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: fail to read sponge data\n", __func__);
input_info(true, &ts->client->dev, "%s: Sponge, %x, %x, %x\n",
__func__, sponge[0], sponge[1], sponge[2]);
if (p_gesture_status->gesture_id == SEC_TS_GESTURE_CODE_SPAY ||
p_gesture_status->gesture_id == SEC_TS_GESTURE_CODE_DOUBLE_TAP) {
/* will be fixed to data structure */
if (sponge[1] & SEC_TS_MODE_SPONGE_AOD) {
u8 data[5] = {0x0A, 0x00, 0x00, 0x00};
ret = sec_ts_read_from_sponge(ts, data);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: fail to read sponge data\n", __func__);
if (data[4] & SEC_TS_AOD_GESTURE_DOUBLETAB)
ts->scrub_id = SPONGE_EVENT_TYPE_AOD_DOUBLETAB;
ts->scrub_x = (data[1] & 0xFF) << 8 | (data[0] & 0xFF);
ts->scrub_y = (data[3] & 0xFF) << 8 | (data[2] & 0xFF);
#ifdef CONFIG_SAMSUNG_PRODUCT_SHIP
input_info(true, &ts->client->dev, "%s: aod: %d\n",
__func__, ts->scrub_id);
#else
input_info(true, &ts->client->dev, "%s: aod: %d, %d, %d\n",
__func__, ts->scrub_id, ts->scrub_x, ts->scrub_y);
#endif
}
if (sponge[1] & SEC_TS_MODE_SPONGE_SPAY) {
ts->scrub_id = SPONGE_EVENT_TYPE_SPAY;
input_info(true, &ts->client->dev, "%s: SPAY: %d\n",
__func__, ts->scrub_id);
}
input_report_key(ts->input_dev, KEY_BLACK_UI_GESTURE, 1);
input_sync(ts->input_dev);
input_report_key(ts->input_dev, KEY_BLACK_UI_GESTURE, 0);
}
}
/*
input_info(true, &ts->client->dev, "%s: GESTURE %x %x %x %x %x %x\n", __func__,
event_buff[0], event_buff[1], event_buff[2],
event_buff[3], event_buff[4], event_buff[5]);
*/
break;
default:
input_err(true, &ts->client->dev, "%s: unknown event %x %x %x %x %x %x\n", __func__,
event_buff[0], event_buff[1], event_buff[2],
event_buff[3], event_buff[4], event_buff[5]);
break;
}
if (coordinate != NULL) {
if (coordinate->action == SEC_TS_COORDINATE_ACTION_PRESS) {
#if !defined(CONFIG_SAMSUNG_PRODUCT_SHIP)
input_info(true, &ts->client->dev,
"%s: [P] tID:%d, x:%d, y:%d, z:%d, major:%d, minor:%d, tc:%d, type:%X\n",
__func__, t_id, coordinate->x, coordinate->y, coordinate->z,
coordinate->major, coordinate->minor, ts->touch_count,
coordinate->ttype);
#else
input_info(true, &ts->client->dev,
"%s: [P] tID:%d, z:%d, major:%d, minor:%d, tc:%d, type:%X\n",
__func__, t_id, coordinate->z, coordinate->major,
coordinate->minor, ts->touch_count, coordinate->ttype);
#endif
} else if (coordinate->action == SEC_TS_COORDINATE_ACTION_RELEASE) {
#if !defined(CONFIG_SAMSUNG_PRODUCT_SHIP)
input_info(true, &ts->client->dev,
"%s: [R] tID:%d mc: %d tc:%d lx:%d ly:%d, v:%02X%02X, cal:%X(%X|%X), id(%d,%d), p:%d\n",
__func__, t_id, coordinate->mcount, ts->touch_count,
coordinate->x, coordinate->y,
ts->plat_data->img_version_of_ic[2],
ts->plat_data->img_version_of_ic[3],
ts->cal_status, ts->nv, ts->cal_count, ts->tspid_val,
ts->tspicid_val, coordinate->palm_count);
#else
input_info(true, &ts->client->dev,
"%s: [R] tID:%d mc: %d tc:%d, v:%02X%02X, cal:%X(%X|%X), id(%d,%d), p:%d\n",
__func__, t_id, coordinate->mcount, ts->touch_count,
ts->plat_data->img_version_of_ic[2],
ts->plat_data->img_version_of_ic[3],
ts->cal_status, ts->nv, ts->cal_count, ts->tspid_val,
ts->tspicid_val, coordinate->palm_count);
#endif
coordinate->action = SEC_TS_COORDINATE_ACTION_NONE;
coordinate->mcount = 0;
coordinate->palm_count = 0;
}/* else {
input_info(true, &ts->client->dev,
"%s: undefined status: %X\n",
__func__, coordinate->action);
}*/
coordinate = NULL;
}
curr_pos++;
remain_event_count--;
input_dbg(true, &ts->client->dev,
"%s: curr_pos=%d, remain_event_count=%d\n", __func__, curr_pos, remain_event_count);
} while (remain_event_count >= 0);
input_sync(ts->input_dev);
}
static irqreturn_t sec_ts_irq_thread(int irq, void *ptr)
{
struct sec_ts_data *ts = (struct sec_ts_data *)ptr;
#ifdef CONFIG_SECURE_TOUCH
if (secure_filter_interrupt(ts) == IRQ_HANDLED) {
wait_for_completion_interruptible_timeout(&ts->secure_interrupt,
msecs_to_jiffies(5 * MSEC_PER_SEC));
input_info(true, &ts->client->dev,
"%s: secure interrupt handled\n", __func__);
return IRQ_HANDLED;
}
#endif
mutex_lock(&ts->eventlock);
sec_ts_read_event(ts);
mutex_unlock(&ts->eventlock);
return IRQ_HANDLED;
}
int get_tsp_status(void)
{
return 0;
}
EXPORT_SYMBOL(get_tsp_status);
void sec_ts_set_charger(bool enable)
{
return;
/*
int ret;
u8 noise_mode_on[] = {0x01};
u8 noise_mode_off[] = {0x00};
if (enable) {
input_info(true, &ts->client->dev, "sec_ts_set_charger : charger CONNECTED!!\n");
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_NOISE_MODE, noise_mode_on, sizeof(noise_mode_on));
if (ret < 0)
input_err(true, &ts->client->dev, "sec_ts_set_charger: fail to write NOISE_ON\n");
} else {
input_info(true, &ts->client->dev, "sec_ts_set_charger : charger DISCONNECTED!!\n");
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_NOISE_MODE, noise_mode_off, sizeof(noise_mode_off));
if (ret < 0)
input_err(true, &ts->client->dev, "sec_ts_set_charger: fail to write NOISE_OFF\n");
}
*/
}
EXPORT_SYMBOL(sec_ts_set_charger);
int sec_ts_glove_mode_enables(struct sec_ts_data *ts, int mode)
{
int ret;
if (mode)
ts->touch_functions = (ts->touch_functions | SEC_TS_BIT_SETFUNC_GLOVE | SEC_TS_DEFAULT_ENABLE_BIT_SETFUNC);
else
ts->touch_functions = ((ts->touch_functions & (~SEC_TS_BIT_SETFUNC_GLOVE)) | SEC_TS_DEFAULT_ENABLE_BIT_SETFUNC);
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s: pwr off, glove:%d, status:%x\n", __func__,
mode, ts->touch_functions);
goto glove_enable_err;
}
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SET_TOUCHFUNCTION, (u8*)&ts->touch_functions, 2);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: Failed to send command", __func__);
goto glove_enable_err;
}
input_info(true, &ts->client->dev, "%s: glove:%d, status:%x\n", __func__,
mode, ts->touch_functions);
return 0;
glove_enable_err:
return -EIO;
}
EXPORT_SYMBOL(sec_ts_glove_mode_enables);
int sec_ts_set_cover_type(struct sec_ts_data *ts, bool enable)
{
int ret;
input_info(true, &ts->client->dev, "%s: %d\n", __func__, ts->cover_type);
switch (ts->cover_type) {
case SEC_TS_VIEW_WIRELESS:
case SEC_TS_VIEW_COVER:
case SEC_TS_VIEW_WALLET:
case SEC_TS_FLIP_WALLET:
case SEC_TS_LED_COVER:
case SEC_TS_MONTBLANC_COVER:
case SEC_TS_CLEAR_FLIP_COVER:
case SEC_TS_QWERTY_KEYBOARD_EUR:
case SEC_TS_QWERTY_KEYBOARD_KOR:
ts->cover_cmd = (u8)ts->cover_type;
break;
case SEC_TS_CHARGER_COVER:
case SEC_TS_COVER_NOTHING1:
case SEC_TS_COVER_NOTHING2:
default:
ts->cover_cmd = 0;
input_err(true, &ts->client->dev, "%s: not chage touch state, %d\n",
__func__, ts->cover_type);
break;
}
if (enable)
ts->touch_functions = (ts->touch_functions | SEC_TS_BIT_SETFUNC_COVER | SEC_TS_DEFAULT_ENABLE_BIT_SETFUNC);
else
ts->touch_functions = ((ts->touch_functions & (~SEC_TS_BIT_SETFUNC_COVER)) | SEC_TS_DEFAULT_ENABLE_BIT_SETFUNC);
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s: pwr off, close:%d, status:%x\n", __func__,
enable, ts->touch_functions);
goto cover_enable_err;
}
if (enable) {
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SET_COVERTYPE, &ts->cover_cmd, 1);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: Failed to send covertype command: %d", __func__, ts->cover_cmd);
goto cover_enable_err;
}
}
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SET_TOUCHFUNCTION, (u8*)&(ts->touch_functions), 2);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: Failed to send command", __func__);
goto cover_enable_err;
}
input_info(true, &ts->client->dev, "%s: close:%d, status:%x\n", __func__,
enable, ts->touch_functions);
return 0;
cover_enable_err:
return -EIO;
}
EXPORT_SYMBOL(sec_ts_set_cover_type);
#ifdef TWO_LEVEL_GRIP_CONCEPT
void sec_ts_set_grip_type(struct sec_ts_data *ts, u8 set_type)
{
u8 mode = G_NONE;
if (!(ts->plat_data->grip_concept & 0x2))
return;
input_info(true, &ts->client->dev, "%s: re-init grip(%d), edh:%d, edg:%d, lan:%d\n", __func__,\
set_type, ts->grip_edgehandler_direction, ts->grip_edge_range, ts->grip_landscape_mode);
/* edge handler */
if (ts->grip_edgehandler_direction != 0)
mode |= G_SET_EDGE_HANDLER;
if (set_type == GRIP_ALL_DATA) {
/* edge */
if (ts->grip_edge_range != 60)
mode |= G_SET_EDGE_ZONE;
/* dead zone */
if (ts->grip_landscape_mode == 1) /* default 0 mode, 32 */
mode |= G_SET_LANDSCAPE_MODE;
else
mode |= G_SET_NORMAL_MODE;
}
if (mode)
set_grip_data_to_ic(ts, mode);
}
#endif
/* for debugging--------------------------------------------------------------------------------------*/
static ssize_t sec_ts_reg_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_info(true, &ts->client->dev, "%s: Power off state\n", __func__);
return -EIO;
}
if (size > 0)
sec_ts_i2c_write_burst(ts, (u8 *)buf, size);
input_info(true, &ts->client->dev, "sec_ts_reg: 0x%x, 0x%x, size %d\n", buf[0], buf[1], (int)size);
return size;
}
static ssize_t sec_ts_regread_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
int ret;
int length;
int remain;
int offset;
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_info(true, &ts->client->dev, "%s: Power off state\n", __func__);
return -EIO;
}
disable_irq(ts->client->irq);
read_lv1_buff = kzalloc(lv1_readsize, GFP_KERNEL);
if (!read_lv1_buff) {
input_err(true, &ts->client->dev, "%s kzalloc failed\n", __func__);
goto malloc_err;
}
mutex_lock(&ts->device_mutex);
remain = lv1_readsize;
offset = 0;
do {
if (remain >= ts->i2c_burstmax)
length = ts->i2c_burstmax;
else
length = remain;
if (offset == 0)
ret = sec_ts_i2c_read(ts, lv1cmd, &read_lv1_buff[offset], length);
else
ret = sec_ts_i2c_read_bulk(ts, &read_lv1_buff[offset], length);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: i2c read %x command, remain =%d\n", __func__, lv1cmd, remain);
goto i2c_err;
}
remain -= length;
offset += length;
} while (remain > 0);
input_info(true, &ts->client->dev, "%s: lv1_readsize = %d\n", __func__, lv1_readsize);
memcpy(buf, read_lv1_buff + lv1_readoffset, lv1_readsize);
i2c_err:
kfree(read_lv1_buff);
malloc_err:
mutex_unlock(&ts->device_mutex);
lv1_readremain = 0;
enable_irq(ts->client->irq);
return lv1_readsize;
}
static ssize_t sec_ts_gesture_status_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
mutex_lock(&ts->device_mutex);
memcpy(buf, ts->gesture_status, sizeof(ts->gesture_status));
input_info(true, &ts->client->dev,
"sec_sec_ts_gesture_status_show GESTURE STATUS %x %x %x %x %x %x\n",
ts->gesture_status[0], ts->gesture_status[1], ts->gesture_status[2],
ts->gesture_status[3], ts->gesture_status[4], ts->gesture_status[5]);
mutex_unlock(&ts->device_mutex);
return sizeof(ts->gesture_status);
}
static ssize_t sec_ts_regreadsize_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
lv1cmd = buf[0];
lv1_readsize = ((unsigned int)buf[4] << 24) |
((unsigned int)buf[3] << 16) | ((unsigned int) buf[2] << 8) | ((unsigned int)buf[1] << 0);
lv1_readoffset = 0;
lv1_readremain = 0;
return size;
}
static ssize_t sec_ts_enter_recovery_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
struct sec_ts_plat_data *pdata = ts->plat_data;
int ret;
int on;
sscanf(buf, "%d", &on);
if (on == 1) {
disable_irq(ts->client->irq);
gpio_free(pdata->gpio);
input_info(true, &ts->client->dev, "%s: gpio free\n", __func__);
if (gpio_is_valid(pdata->gpio)) {
ret = gpio_request_one(pdata->gpio, GPIOF_OUT_INIT_LOW, "sec,tsp_int");
input_info(true, &ts->client->dev, "%s: gpio request one\n", __func__);
if (ret < 0)
input_err(true, &ts->client->dev, "Unable to request tsp_int [%d]: %d\n", pdata->gpio, ret);
} else {
input_err(true, &ts->client->dev, "Failed to get irq gpio\n");
return -EINVAL;
}
pdata->power(ts, false);
sec_ts_delay(100);
pdata->power(ts, true);
} else {
gpio_free(pdata->gpio);
if (gpio_is_valid(pdata->gpio)) {
ret = gpio_request_one(pdata->gpio, GPIOF_DIR_IN, "sec,tsp_int");
if (ret) {
input_err(true, &ts->client->dev, "Unable to request tsp_int [%d]\n", pdata->gpio);
return -EINVAL;
}
} else {
input_err(true, &ts->client->dev, "Failed to get irq gpio\n");
return -EINVAL;
}
pdata->power(ts, false);
sec_ts_delay(500);
pdata->power(ts, true);
sec_ts_delay(500);
/* AFE Calibration */
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_CALIBRATION_AMBIENT, NULL, 0);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: fail to write AFE_CAL\n", __func__);
sec_ts_delay(1000);
enable_irq(ts->client->irq);
}
sec_ts_read_information(ts);
return size;
}
static int sec_ts_raw_device_init(struct sec_ts_data *ts)
{
int ret;
#ifdef CONFIG_DRV_SAMSUNG
ts->dev = sec_device_create(ts, "sec_ts");
#else
ts->dev = device_create(sec_class, NULL, 0, ts, "sec_ts");
#endif
ret = IS_ERR(ts->dev);
if (ret) {
input_err(true, &ts->client->dev, "%s: fail - device_create\n", __func__);
return ret;
}
ret = sysfs_create_group(&ts->dev->kobj, &cmd_attr_group);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: fail - sysfs_create_group\n", __func__);
goto err_sysfs;
}
/*
ret = sysfs_create_link(&ts->dev->kobj,
&ts->input_dev->dev.kobj, "input");
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: fail - sysfs_create_link\n", __func__);
goto err_sysfs;
}
*/
return ret;
err_sysfs:
input_err(true, &ts->client->dev, "%s: fail\n", __func__);
return ret;
}
/* for debugging--------------------------------------------------------------------------------------*/
static int sec_ts_pinctrl_configure(struct sec_ts_data *ts, bool enable)
{
struct pinctrl_state *state;
input_info(true, &ts->client->dev, "%s: %s\n", __func__, enable ? "ACTIVE" : "SUSPEND");
if (enable) {
state = pinctrl_lookup_state(ts->plat_data->pinctrl, "on_state");
if (IS_ERR(ts->plat_data->pinctrl))
input_err(true, &ts->client->dev, "could not get active pinstate\n");
} else {
state = pinctrl_lookup_state(ts->plat_data->pinctrl, "off_state");
if (IS_ERR(ts->plat_data->pinctrl))
input_err(true, &ts->client->dev, "could not get suspend pinstate\n");
}
if (!IS_ERR_OR_NULL(state))
return pinctrl_select_state(ts->plat_data->pinctrl, state);
return 0;
}
static int sec_ts_power(void *data, bool on)
{
/*struct sec_ts_data *ts = (struct sec_ts_data *)data;
const struct sec_ts_plat_data *pdata = ts->plat_data;
struct regulator *regulator_dvdd;
struct regulator *regulator_avdd;
static bool enabled;
int ret = 0;
if (enabled == on)
return ret;
regulator_avdd = regulator_get(NULL, pdata->regulator_avdd);
if (IS_ERR(regulator_avdd)) {
input_err(true, &ts->client->dev, "%s: Failed to get %s regulator.\n",
__func__, pdata->regulator_avdd);
return PTR_ERR(regulator_avdd);
}
regulator_dvdd = regulator_get(NULL, pdata->regulator_dvdd);
if (IS_ERR(regulator_dvdd)) {
input_err(true, &ts->client->dev, "%s: Failed to get %s regulator.\n",
__func__, pdata->regulator_dvdd);
return PTR_ERR(regulator_dvdd);
}
if (on) {
ret = regulator_enable(regulator_avdd);
if (ret) {
input_err(true, &ts->client->dev, "%s: Failed to enable avdd: %d\n", __func__, ret);
return ret;
}
sec_ts_delay(1);
ret = regulator_enable(regulator_dvdd);
if (ret) {
input_err(true, &ts->client->dev, "%s: Failed to enable vdd: %d\n", __func__, ret);
return ret;
}
sec_ts_delay(5);
} else {
regulator_disable(regulator_avdd);
regulator_disable(regulator_dvdd);
}
input_info(true, &ts->client->dev, "%s: %s: avdd:%s, dvdd:%s\n", __func__, on ? "on" : "off",
regulator_is_enabled(regulator_avdd) ? "on" : "off",
regulator_is_enabled(regulator_dvdd) ? "on" : "off");
enabled = on;
regulator_put(regulator_avdd);
regulator_put(regulator_dvdd);*/
return 0;
}
static int sec_ts_parse_dt(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct sec_ts_plat_data *pdata = dev->platform_data;
struct device_node *np = dev->of_node;
u32 coords[2], lines[2];
int ret = 0;
int count = 0;
u32 ic_match_value;
u32 lcdtype = 0;
#if 0
int connected;
#endif
pdata->tsp_icid = of_get_named_gpio(np, "sec,tsp-icid_gpio", 0);
if (gpio_is_valid(pdata->tsp_icid)) {
input_info(true, dev, "TSP_ICID : %d\n", gpio_get_value(pdata->tsp_icid));
if (of_property_read_u32(np, "sec,icid_match_value", &ic_match_value)) {
input_err(true, dev, "Failed to get icid match value\n");
return -EINVAL;
}
if (gpio_get_value(pdata->tsp_icid) != ic_match_value) {
input_err(true, dev, "Do not match TSP_ICID\n");
return -EINVAL;
}
} else {
input_err(true, dev, "Failed to get tsp-icid gpio\n");
}
pdata->tsp_vsync = of_get_named_gpio(np, "sec,tsp_vsync_gpio", 0);
if (gpio_is_valid(pdata->tsp_vsync))
input_info(true, &client->dev, "vsync %s\n", gpio_get_value(pdata->tsp_vsync) ? "disable" : "enable");
pdata->gpio = of_get_named_gpio(np, "sec,irq_gpio", 0);
if (gpio_is_valid(pdata->gpio)) {
ret = gpio_request_one(pdata->gpio, GPIOF_DIR_IN, "sec,tsp_int");
if (ret) {
input_err(true, &client->dev, "Unable to request tsp_int [%d]\n", pdata->gpio);
return -EINVAL;
}
} else {
input_err(true, &client->dev, "Failed to get irq gpio\n");
return -EINVAL;
}
client->irq = gpio_to_irq(pdata->gpio);
if (of_property_read_u32(np, "sec,irq_type", &pdata->irq_type)) {
input_err(true, dev, "Failed to get irq_type property\n");
pdata->irq_type = IRQF_TRIGGER_LOW | IRQF_ONESHOT;
}
if (of_property_read_u32(np, "sec,use_ic_info", &use_ic_info)) {
input_err(true, dev, "Failed to get ic_info property\n");
}
if (of_property_read_u32(np, "sec,i2c-burstmax", &pdata->i2c_burstmax)) {
input_err(true, &client->dev, "Failed to get i2c_burstmax property\n");
pdata->i2c_burstmax = 256;
}
if (of_property_read_u32_array(np, "sec,max_coords", coords, 2)) {
input_err(true, &client->dev, "Failed to get max_coords property\n");
return -EINVAL;
}
pdata->max_x = coords[0] - 1;
pdata->max_y = coords[1] - 1;
of_property_read_u32(np, "sec,grip_area", &pdata->grip_area);
#ifdef PAT_CONTROL
if (of_property_read_u32(np, "sec,pat_function", &pdata->pat_function) < 0) {
pdata->pat_function = 0;
input_err(true, dev, "Failed to get pat_function property\n");
}
if (of_property_read_u32(np, "sec,afe_base", &pdata->afe_base) < 0) {
pdata->afe_base = 0;
input_err(true, dev, "Failed to get afe_base property\n");
}
#endif
if (of_property_read_u32_array(np, "sec,num_lines", lines, 2)) {
input_info(true, &client->dev, "skipped to get num_lines property\n");
} else {
pdata->num_rx = lines[0];
pdata->num_tx = lines[1];
input_info(true, &client->dev, "num_of[rx,tx]: [%d,%d]\n",
pdata->num_rx, pdata->num_tx);
}
pdata->tsp_id = of_get_named_gpio(np, "sec,tsp-id_gpio", 0);
if (gpio_is_valid(pdata->tsp_id))
input_info(true, dev, "TSP_ID : %d\n", gpio_get_value(pdata->tsp_id));
else
input_err(true, dev, "Failed to get tsp-id gpio\n");
count = of_property_count_strings(np, "sec,firmware_name");
if (count <= 0) {
pdata->firmware_name = NULL;
} else {
if (gpio_is_valid(pdata->tsp_id))
of_property_read_string_index(np, "sec,firmware_name", gpio_get_value(pdata->tsp_id), &pdata->firmware_name);
else
of_property_read_string_index(np, "sec,firmware_name", 0, &pdata->firmware_name);
}
if (of_property_read_string_index(np, "sec,project_name", 0, &pdata->project_name))
input_info(true, &client->dev, "skipped to get project_name property\n");
if (of_property_read_string_index(np, "sec,project_name", 1, &pdata->model_name))
input_info(true, &client->dev, "skipped to get model_name property\n");
#if defined(CONFIG_FB_MSM_MDSS_SAMSUNG)
lcdtype = get_lcd_attached("GET");
if (lcdtype == 0xFFFFFF) {
input_err(true, &client->dev, "%s: lcd is not attached\n", __func__);
return -ENODEV;
}
#endif
#if 0
connected = get_lcd_info("connected");
if (connected < 0) {
input_err(true, dev, "Failed to get lcd info\n");
return -EINVAL;
}
if (!connected) {
input_err(true, &client->dev, "%s: lcd is disconnected\n", __func__);
return -ENODEV;
}
input_info(true, &client->dev, "%s: lcd is connected\n", __func__);
lcdtype = get_lcd_info("id");
if (lcdtype < 0) {
input_err(true, dev, "Failed to get lcd info\n");
return -EINVAL;
}
input_info(true, &client->dev, "%s: lcdtype 0x%08X\n", __func__, lcdtype);
#endif
if (strncmp(pdata->model_name, "G950", 4) == 0)
pdata->panel_revision = 0;
else
pdata->panel_revision = ((lcdtype >> 8) & 0xFF) >> 4;
/*if (of_property_read_string(np, "sec,regulator_dvdd", &pdata->regulator_dvdd)) {
input_err(true, dev, "Failed to get regulator_dvdd name property\n");
return -EINVAL;
}
if (of_property_read_string(np, "sec,regulator_avdd", &pdata->regulator_avdd)) {
input_err(true, dev, "Failed to get regulator_avdd name property\n");
return -EINVAL;
}*/
pdata->power = sec_ts_power;
if (of_property_read_u32(np, "sec,always_lpmode", &pdata->always_lpmode) < 0)
pdata->always_lpmode = 0;
if (of_property_read_u32(np, "sec,bringup", &pdata->bringup) < 0)
pdata->bringup = 0;
if (of_property_read_u32(np, "sec,mis_cal_check", &pdata->mis_cal_check) < 0)
pdata->mis_cal_check = 0;
if (of_property_read_u32(np, "sec,grip_concept", &pdata->grip_concept) < 0)
pdata->grip_concept = 1; // default 1(set_tunning_data) for Hero.
#ifdef PAT_CONTROL
input_err(true, &client->dev, "%s: i2c buffer limit: %d, lcd_id:%06X, bringup:%d, FW:%s(%d), id:%d,%d, grip:%d pat_function:%d mis_cal:%d grip_cc:%d\n",
__func__, pdata->i2c_burstmax, lcdtype, pdata->bringup, pdata->firmware_name, \
count, pdata->tsp_id, pdata->tsp_icid, pdata->grip_area, pdata->pat_function, \
pdata->mis_cal_check, pdata->grip_concept);
#else
input_err(true, &client->dev, "%s: i2c buffer limit: %d, lcd_id:%06X, bringup:%d, FW:%s(%d), id:%d,%d, grip:%d pat_function:%d mis_cal:%d grip_cc:%d\n",
__func__, pdata->i2c_burstmax, lcdtype, pdata->bringup, pdata->firmware_name, \
count, pdata->tsp_id, pdata->tsp_icid, pdata->grip_area, pdata->grip_concept);
#endif
return ret;
}
static int sec_ts_read_information(struct sec_ts_data *ts)
{
unsigned char data[13] = { 0 };
int ret;
memset(data, 0x0, 3);
ret = sec_ts_i2c_read(ts, SEC_TS_READ_ID, data, 3);
if (ret < 0) {
input_err(true, &ts->client->dev,
"%s: failed to read device id(%d)\n",
__func__, ret);
return ret;
}
input_info(true, &ts->client->dev,
"%s: %X, %X, %X\n",
__func__, data[0], data[1], data[2]);
memset(data, 0x0, 11);
ret = sec_ts_i2c_read(ts, SEC_TS_READ_PANEL_INFO, data, 11);
if (ret < 0) {
input_err(true, &ts->client->dev,
"%s: failed to read sub id(%d)\n",
__func__, ret);
return ret;
}
input_info(true, &ts->client->dev,
"%s: nTX:%X, nRX:%X, rY:%d, rX:%d\n",
__func__, data[8], data[9],
(data[2] << 8) | data[3], (data[0] << 8) | data[1]);
/* Set X,Y Resolution from IC information. */
if(use_ic_info) {
if (((data[0] << 8) | data[1]) > 0)
ts->plat_data->max_x = ((data[0] << 8) | data[1]) - 1;
if (((data[2] << 8) | data[3]) > 0)
ts->plat_data->max_y = ((data[2] << 8) | data[3]) - 1;
}
ts->tx_count = data[8];
ts->rx_count = data[9];
data[0] = 0;
ret = sec_ts_i2c_read(ts, SEC_TS_READ_BOOT_STATUS, data, 1);
if (ret < 0) {
input_err(true, &ts->client->dev,
"%s: failed to read sub id(%d)\n",
__func__, ret);
return ret;
}
input_info(true, &ts->client->dev,
"%s: STATUS : %X\n",
__func__, data[0]);
memset(data, 0x0, 4);
ret = sec_ts_i2c_read(ts, SEC_TS_READ_TS_STATUS, data, 4);
if (ret < 0) {
input_err(true, &ts->client->dev,
"%s: failed to read sub id(%d)\n",
__func__, ret);
return ret;
}
input_info(true, &ts->client->dev,
"%s: TOUCH STATUS : %02X, %02X, %02X, %02X\n",
__func__, data[0], data[1], data[2], data[3]);
ret = sec_ts_i2c_read(ts, SEC_TS_CMD_SET_TOUCHFUNCTION, (u8*)&(ts->touch_functions), 2);
if (ret < 0) {
dev_err(&ts->client->dev,
"%s: failed to read touch functions(%d)\n",
__func__, ret);
return ret;
}
dev_info(&ts->client->dev,
"%s: Functions : %02X\n",
__func__, ts->touch_functions);
return ret;
}
#ifdef SEC_TS_SUPPORT_SPONGELIB
int sec_ts_set_custom_library(struct sec_ts_data *ts)
{
u8 data[3] = { 0 };
int ret;
input_err(true, &ts->client->dev, "%s: Sponge (%d)\n",
__func__, ts->lowpower_mode);
data[2] = ts->lowpower_mode;
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SPONGE_WRITE_PARAM, &data[0], 3);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: Failed to Sponge\n", __func__);
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SPONGE_NOTIFY_PACKET, NULL, 0);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: Failed to send NOTIFY SPONGE\n", __func__);
return ret;
}
int sec_ts_check_custom_library(struct sec_ts_data *ts)
{
u8 data[10] = { 0 };
int ret = -1;
ret = ts->sec_ts_i2c_read(ts, SEC_TS_CMD_SPONGE_GET_INFO, &data[0], 10);
input_info(true, &ts->client->dev,
"%s: (%d) %c%c%c%c, || %02X, %02X, %02X, %02X, || %02X, %02X\n",
__func__, ret, data[0], data[1], data[2], data[3], data[4],
data[5], data[6], data[7], data[8], data[9]);
/* compare model name with device tree */
if (ts->plat_data->model_name)
ret = strncmp(data, ts->plat_data->model_name, 4);
if (ret == 0)
ts->use_sponge = true;
else
ts->use_sponge = false;
input_info(true, &ts->client->dev, "%s: use %s\n",
__func__, ts->use_sponge ? "SPONGE" : "VENDOR");
return ret;
}
#endif
static int sec_ts_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct sec_ts_data *ts;
struct exynos5_i2c *i2c_master = (struct exynos5_i2c *)client->adapter->algo_data;
struct sec_ts_plat_data *pdata;
static char sec_ts_phys[64] = { 0 };
int ret = 0;
bool force_update = false;
bool valid_firmware_integrity = false;
unsigned char data[5] = { 0 };
unsigned char deviceID[5] = { 0 };
unsigned char result = 0;
/* TEMP
if (tsp_init_done) {
input_err(true, &client->dev, "%s: tsp already init done\n", __func__);
return -ENODEV;
}
*/
input_info(true, &client->dev, "%s\n", __func__);
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
input_err(true, &client->dev, "%s : EIO err!\n", __func__);
return -EIO;
}
/* parse dt */
if (client->dev.of_node) {
pdata = devm_kzalloc(&client->dev,
sizeof(struct sec_ts_plat_data), GFP_KERNEL);
if (!pdata) {
input_err(true, &client->dev, "Failed to allocate platform data\n");
goto error_allocate_pdata;
}
client->dev.platform_data = pdata;
ret = sec_ts_parse_dt(client);
if (ret) {
input_err(true, &client->dev, "Failed to parse dt\n");
goto error_allocate_mem;
}
} else {
pdata = client->dev.platform_data;
if (!pdata) {
input_err(true, &client->dev, "No platform data found\n");
goto error_allocate_pdata;
}
}
if (!pdata->power) {
input_err(true, &client->dev, "No power contorl found\n");
goto error_allocate_mem;
}
pdata->pinctrl = devm_pinctrl_get(&client->dev);
if (IS_ERR(pdata->pinctrl))
input_err(true, &client->dev, "could not get pinctrl\n");
ts = kzalloc(sizeof(struct sec_ts_data), GFP_KERNEL);
if (!ts) {
input_err(true, &client->dev, "%s: Failed to alloc mem for info\n", __func__);
goto error_allocate_mem;
}
ts->client = client;
ts->plat_data = pdata;
ts->crc_addr = 0x0001FE00;
ts->fw_addr = 0x00002000;
ts->para_addr = 0x18000;
ts->flash_page_size = SEC_TS_FW_BLK_SIZE_DEFAULT;
ts->sec_ts_i2c_read = sec_ts_i2c_read;
ts->sec_ts_i2c_write = sec_ts_i2c_write;
ts->sec_ts_i2c_write_burst = sec_ts_i2c_write_burst;
ts->sec_ts_i2c_read_bulk = sec_ts_i2c_read_bulk;
ts->i2c_burstmax = pdata->i2c_burstmax;
#ifdef USE_RESET_DURING_POWER_ON
INIT_DELAYED_WORK(&ts->reset_work, sec_ts_reset_work);
#endif
INIT_DELAYED_WORK(&ts->work_read_nv, sec_ts_read_nv_work);
i2c_set_clientdata(client, ts);
if (gpio_is_valid(ts->plat_data->tsp_id))
ts->tspid_val = gpio_get_value(ts->plat_data->tsp_id);
if (gpio_is_valid(ts->plat_data->tsp_icid))
ts->tspicid_val = gpio_get_value(ts->plat_data->tsp_icid);
ts->input_dev = input_allocate_device();
if (!ts->input_dev) {
input_err(true, &ts->client->dev, "%s: allocate device err!\n", __func__);
ret = -ENOMEM;
goto err_allocate_device;
}
i2c_master->stop_after_trans = 1;
ts->input_dev->name = "sec_touchscreen";
snprintf(sec_ts_phys, sizeof(sec_ts_phys), "%s/input1",
ts->input_dev->name);
ts->input_dev->phys = sec_ts_phys;
ts->input_dev->id.bustype = BUS_I2C;
ts->input_dev->dev.parent = &client->dev;
ts->touch_count = 0;
ts->sec_ts_i2c_write = sec_ts_i2c_write;
ts->sec_ts_i2c_read = sec_ts_i2c_read;
ts->sec_ts_read_sponge = sec_ts_read_from_sponge;
mutex_init(&ts->lock);
mutex_init(&ts->device_mutex);
mutex_init(&ts->i2c_mutex);
mutex_init(&ts->eventlock);
wake_lock_init(&ts->wakelock, WAKE_LOCK_SUSPEND, "tsp_wakelock");
init_completion(&ts->resume_done);
#ifdef USE_OPEN_CLOSE
ts->input_dev->open = sec_ts_input_open;
ts->input_dev->close = sec_ts_input_close;
#endif
if (pdata->always_lpmode)
ts->lowpower_mode |= SEC_TS_MODE_SPONGE_FORCE_KEY;
else
ts->lowpower_mode &= ~SEC_TS_MODE_SPONGE_FORCE_KEY;
input_err(true, &client->dev, "%s init resource\n", __func__);
sec_ts_pinctrl_configure(ts, true);
/* power enable */
sec_ts_power(ts, true);
sec_ts_delay(70);
ts->power_status = SEC_TS_STATE_POWER_ON;
sec_ts_wait_for_ready(ts, SEC_TS_ACK_BOOT_COMPLETE);
input_err(true, &client->dev, "%s power enable\n", __func__);
ret = sec_ts_i2c_read(ts, SEC_TS_READ_DEVICE_ID, deviceID, 5);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: failed to read device ID(%d)\n", __func__, ret);
else
input_info(true, &ts->client->dev,
"%s: TOUCH DEVICE ID : %02X, %02X, %02X, %02X, %02X\n", __func__,
deviceID[0], deviceID[1], deviceID[2], deviceID[3], deviceID[4]);
ret = sec_ts_i2c_read(ts, SEC_TS_READ_FIRMWARE_INTEGRITY, &result, 1);
if (ret < 0) {
input_err(true, &ts->client->dev, "%s: failed to integrity check (%d)\n", __func__, ret);
} else {
if (result & 0x80) {
valid_firmware_integrity= true;
} else if (result & 0x40) {
valid_firmware_integrity= false;
input_err(true, &ts->client->dev, "%s: invalid firmware (0x%x)\n", __func__, result);
} else {
valid_firmware_integrity = false;
input_err(true, &ts->client->dev, "%s: invalid integrity result (0x%x)\n", __func__, result);
}
}
ret = sec_ts_i2c_read(ts, SEC_TS_READ_BOOT_STATUS, &data[0], 1);
if (ret < 0) {
input_err(true, &ts->client->dev,
"%s: failed to read sub id(%d)\n",
__func__, ret);
} else {
ret = sec_ts_i2c_read(ts, SEC_TS_READ_TS_STATUS, &data[1], 4);
if (ret < 0) {
input_err(true, &ts->client->dev,
"%s: failed to touch status(%d)\n",
__func__, ret);
}
}
input_info(true, &ts->client->dev,
"%s: TOUCH STATUS : %02X || %02X, %02X, %02X, %02X\n",
__func__, data[0], data[1], data[2], data[3], data[4]);
if ((((data[0] == SEC_TS_STATUS_APP_MODE) && (data[2] == TOUCH_SYSTEM_MODE_FLASH)) || (ret < 0))
&& ( valid_firmware_integrity == false))
force_update = true;
else
force_update = false;
force_update = true;
#ifdef SEC_TS_FW_UPDATE_ON_PROBE
ret = sec_ts_firmware_update_on_probe(ts, force_update);
if (ret < 0)
goto err_init;
#else
input_info(true, &ts->client->dev, "%s: fw update on probe disabled!\n", __func__);
#endif
ret = sec_ts_read_information(ts);
if (ret < 0) {
input_err(true, &ts->client->dev, "sec_ts_probe: fail to read information 0x%x\n",ret);
goto err_init;
}
ts->touch_functions = ts->touch_functions | SEC_TS_DEFAULT_ENABLE_BIT_SETFUNC;
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SET_TOUCHFUNCTION, (u8*)&ts->touch_functions, 2);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: Failed to send tuoch func_mode command", __func__);
/* Sense_on */
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SENSE_ON, NULL, 0);
if (ret < 0) {
input_err(true, &ts->client->dev, "sec_ts_probe: fail to write Sense_on\n");
goto err_init;
}
ts->pFrame = kzalloc(ts->tx_count * ts->rx_count * 2, GFP_KERNEL);
if (!ts->pFrame) {
input_err(true, &ts->client->dev, "%s: allocate pFrame err!\n", __func__);
ret = -ENOMEM;
goto err_allocate_frame;
}
set_bit(EV_SYN, ts->input_dev->evbit);
set_bit(EV_KEY, ts->input_dev->evbit);
set_bit(EV_ABS, ts->input_dev->evbit);
set_bit(EV_SW, ts->input_dev->evbit);
set_bit(BTN_TOUCH, ts->input_dev->keybit);
set_bit(BTN_TOOL_FINGER, ts->input_dev->keybit);
set_bit(KEY_BLACK_UI_GESTURE, ts->input_dev->keybit);
#ifdef SEC_TS_SUPPORT_TOUCH_KEY
if (ts->plat_data->support_mskey) {
int i;
for (i = 0 ; i < ts->plat_data->num_touchkey ; i++)
set_bit(ts->plat_data->touchkey[i].keycode, ts->input_dev->keybit);
set_bit(EV_LED, ts->input_dev->evbit);
set_bit(LED_MISC, ts->input_dev->ledbit);
}
#endif
set_bit(KEY_SIDE_GESTURE, ts->input_dev->keybit);
set_bit(KEY_SIDE_GESTURE_RIGHT, ts->input_dev->keybit);
set_bit(KEY_SIDE_GESTURE_LEFT, ts->input_dev->keybit);
set_bit(INPUT_PROP_DIRECT, ts->input_dev->propbit);
set_bit(KEY_HOMEPAGE, ts->input_dev->keybit);
input_set_capability(ts->input_dev, EV_SW, SW_GLOVE);
input_mt_init_slots(ts->input_dev, MAX_SUPPORT_TOUCH_COUNT, INPUT_MT_DIRECT);
input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X, 0, ts->plat_data->max_x, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, 0, ts->plat_data->max_y, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MINOR, 0, 255, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_PALM, 0, 1, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
#ifdef SEC_TS_SUPPORT_GRIP_EVENT
input_set_abs_params(ts->input_dev, ABS_MT_GRIP, 0, 1, 0, 0);
#endif
input_set_drvdata(ts->input_dev, ts);
ret = input_register_device(ts->input_dev);
if (ret) {
input_err(true, &ts->client->dev, "%s: Unable to register %s input device\n", __func__, ts->input_dev->name);
goto err_input_register_device;
}
input_info(true, &ts->client->dev, "sec_ts_probe request_irq = %d\n" , client->irq);
ret = request_threaded_irq(client->irq, NULL, sec_ts_irq_thread,
ts->plat_data->irq_type, SEC_TS_I2C_NAME, ts);
if (ret < 0) {
input_err(true, &ts->client->dev, "sec_ts_probe: Unable to request threaded irq\n");
goto err_irq;
}
#ifdef CONFIG_TRUSTONIC_TRUSTED_UI
tsp_info = ts;
trustedui_set_tsp_irq(client->irq);
input_info(true, &client->dev, "%s[%d] called!\n",
__func__, client->irq);
#endif
sec_ts_raw_device_init(ts);
sec_ts_fn_init(ts);
#ifdef CONFIG_SECURE_TOUCH
if (sysfs_create_group(&ts->input_dev->dev.kobj, &secure_attr_group) < 0)
input_err(true, &ts->client->dev, "%s: do not make secure group\n", __func__);
else
secure_touch_init(ts);
#endif
device_init_wakeup(&client->dev, true);
schedule_delayed_work(&ts->work_read_nv, msecs_to_jiffies(100));
#ifdef SEC_TS_SUPPORT_SPONGELIB
sec_ts_check_custom_library(ts);
if (ts->use_sponge)
sec_ts_set_custom_library(ts);
#endif
#if defined(CONFIG_TOUCHSCREEN_DUMP_MODE)
dump_callbacks.inform_dump = dump_tsp_log;
INIT_DELAYED_WORK(&ts->ghost_check, sec_ts_check_rawdata);
p_ghost_check = &ts->ghost_check;
#endif
ts_dup = ts;
/* TEMP
tsp_init_done = true;
*/
return 0;
err_irq:
input_unregister_device(ts->input_dev);
ts->input_dev = NULL;
err_input_register_device:
if (ts->input_dev)
input_free_device(ts->input_dev);
kfree(ts->pFrame);
err_allocate_frame:
err_init:
wake_lock_destroy(&ts->wakelock);
sec_ts_power(ts, false);
err_allocate_device:
kfree(ts);
error_allocate_mem:
if (gpio_is_valid(pdata->gpio))
gpio_free(pdata->gpio);
if (gpio_is_valid(pdata->tsp_id))
gpio_free(pdata->tsp_id);
if (gpio_is_valid(pdata->tsp_icid))
gpio_free(pdata->tsp_icid);
error_allocate_pdata:
if (ret == -ECONNREFUSED)
sec_ts_delay(100);
ret = -ENODEV;
#ifdef CONFIG_TOUCHSCREEN_DUMP_MODE
p_ghost_check = NULL;
#endif
ts_dup = NULL;
#ifdef CONFIG_TRUSTONIC_TRUSTED_UI
tsp_info = NULL;
#endif
return ret;
}
void sec_ts_unlocked_release_all_finger(struct sec_ts_data *ts)
{
int i;
for (i = 0; i < MAX_SUPPORT_TOUCH_COUNT; i++) {
input_mt_slot(ts->input_dev, i);
input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, false);
if ((ts->coord[i].action == SEC_TS_COORDINATE_ACTION_PRESS) ||
(ts->coord[i].action == SEC_TS_COORDINATE_ACTION_MOVE)) {
ts->coord[i].action = SEC_TS_COORDINATE_ACTION_RELEASE;
input_info(true, &ts->client->dev,
"%s: [RA] tID:%d mc: %d tc:%d, v:%02X%02X, cal:%X(%X|%X), id(%d,%d), p:%d\n",
__func__, i, ts->coord[i].mcount, ts->touch_count,
ts->plat_data->img_version_of_ic[2],
ts->plat_data->img_version_of_ic[3],
ts->cal_status, ts->nv, ts->cal_count, ts->tspid_val,
ts->tspicid_val, ts->coord[i].palm_count);
}
ts->coord[i].mcount = 0;
ts->coord[i].palm_count = 0;
}
input_mt_slot(ts->input_dev, 0);
input_report_key(ts->input_dev, BTN_TOUCH, false);
input_report_key(ts->input_dev, BTN_TOOL_FINGER, false);
input_report_switch(ts->input_dev, SW_GLOVE, false);
ts->touchkey_glove_mode_status = false;
ts->touch_count = 0;
input_report_key(ts->input_dev, KEY_SIDE_GESTURE_LEFT, 0);
input_report_key(ts->input_dev, KEY_SIDE_GESTURE_RIGHT, 0);
input_report_key(ts->input_dev, KEY_HOMEPAGE, 0);
input_sync(ts->input_dev);
}
void sec_ts_locked_release_all_finger(struct sec_ts_data *ts)
{
int i;
mutex_lock(&ts->eventlock);
for (i = 0; i < MAX_SUPPORT_TOUCH_COUNT; i++) {
input_mt_slot(ts->input_dev, i);
input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, false);
if ((ts->coord[i].action == SEC_TS_COORDINATE_ACTION_PRESS) ||
(ts->coord[i].action == SEC_TS_COORDINATE_ACTION_MOVE)) {
ts->coord[i].action = SEC_TS_COORDINATE_ACTION_RELEASE;
input_info(true, &ts->client->dev,
"%s: [RA] tID:%d mc: %d tc:%d, v:%02X%02X, cal:%X(%X|%X), id(%d,%d), p:%d\n",
__func__, i, ts->coord[i].mcount, ts->touch_count,
ts->plat_data->img_version_of_ic[2],
ts->plat_data->img_version_of_ic[3],
ts->cal_status, ts->nv, ts->cal_count, ts->tspid_val,
ts->tspicid_val, ts->coord[i].palm_count);
}
ts->coord[i].mcount = 0;
ts->coord[i].palm_count = 0;
}
input_mt_slot(ts->input_dev, 0);
input_report_key(ts->input_dev, BTN_TOUCH, false);
input_report_key(ts->input_dev, BTN_TOOL_FINGER, false);
input_report_switch(ts->input_dev, SW_GLOVE, false);
ts->touchkey_glove_mode_status = false;
ts->touch_count = 0;
input_report_key(ts->input_dev, KEY_SIDE_GESTURE_LEFT, 0);
input_report_key(ts->input_dev, KEY_SIDE_GESTURE_RIGHT, 0);
input_report_key(ts->input_dev, KEY_HOMEPAGE, 0);
input_sync(ts->input_dev);
mutex_unlock(&ts->eventlock);
}
#ifdef USE_RESET_DURING_POWER_ON
static void sec_ts_reset_work(struct work_struct *work)
{
struct sec_ts_data *ts = container_of(work, struct sec_ts_data,
reset_work.work);
u8 temp_lpm = 0;
u8 temp_status = 0;
/* TEMP
if (!tsp_init_done) {
input_err(true, &ts->client->dev, "%s: is not done, return\n", __func__);
return;
}
*/
input_info(true, &ts->client->dev, "%s\n", __func__);
temp_lpm = ts->lowpower_mode;
temp_status = ts->power_status;
ts->lowpower_mode = 0;
sec_ts_stop_device(ts);
sec_ts_delay(30);
sec_ts_start_device(ts);
ts->lowpower_mode = temp_lpm;
if ((ts->lowpower_mode) && (temp_status < SEC_TS_STATE_POWER_ON))
sec_ts_input_close(ts->input_dev);
}
#endif
static void sec_ts_read_nv_work(struct work_struct *work)
{
struct sec_ts_data *ts = container_of(work, struct sec_ts_data,
work_read_nv.work);
ts->nv = get_tsp_nvm_data(ts, SEC_TS_NVM_OFFSET_FAC_RESULT);
ts->cal_count = get_tsp_nvm_data(ts, SEC_TS_NVM_OFFSET_CAL_COUNT);
input_info(true, &ts->client->dev, "%s: fac_nv:%02X, cal_nv:%02X\n", __func__, ts->nv, ts->cal_count);
}
static int sec_ts_set_lowpowermode(struct sec_ts_data *ts, u8 mode)
{
int ret;
int retrycnt = 0;
u8 data;
char para = 0;
input_err(true, &ts->client->dev, "%s: %s(%X)\n", __func__,
mode == TO_LOWPOWER_MODE ? "ENTER" : "EXIT", ts->lowpower_mode);
if (mode) {
if (ts->use_sponge)
sec_ts_set_custom_library(ts);
data = (ts->lowpower_mode & SEC_TS_MODE_LOWPOWER_FLAG) >> 1;
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_WAKEUP_GESTURE_MODE, &data, 1);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: Failed to set\n", __func__);
}
retry_pmode:
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SET_POWER_MODE, &mode, 1);
if (ret < 0)
input_err(true, &ts->client->dev,
"%s: failed\n", __func__);
sec_ts_delay(50);
/* read data */
ret = sec_ts_i2c_read(ts, SEC_TS_CMD_SET_POWER_MODE, &para, 1);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: read power mode failed!\n", __func__);
else
input_err(true, &ts->client->dev, "%s: power mode - write(%d) read(%d)\n", __func__, mode, para);
if (mode != para) {
retrycnt++;
if (retrycnt < 5)
goto retry_pmode;
}
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_CLEAR_EVENT_STACK, NULL, 0);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: i2c write clear event failed\n", __func__);
sec_ts_locked_release_all_finger(ts);
if (device_may_wakeup(&ts->client->dev)) {
if (mode)
enable_irq_wake(ts->client->irq);
else
disable_irq_wake(ts->client->irq);
}
ts->lowpower_status = mode;
input_info(true, &ts->client->dev, "%s end\n", __func__);
return ret;
}
#ifdef USE_OPEN_CLOSE
static int sec_ts_input_open(struct input_dev *dev)
{
struct sec_ts_data *ts = input_get_drvdata(dev);
int ret;
ts->input_closed = false;
input_info(true, &ts->client->dev, "%s\n", __func__);
#ifdef CONFIG_SECURE_TOUCH
secure_touch_stop(ts, 0);
#endif
if (ts->lowpower_status) {
#ifdef USE_RESET_EXIT_LPM
schedule_delayed_work(&ts->reset_work, msecs_to_jiffies(TOUCH_RESET_DWORK_TIME));
#else
sec_ts_set_lowpowermode(ts, TO_TOUCH_MODE);
#endif
} else {
ret = sec_ts_start_device(ts);
if (ret < 0)
input_err(true, &ts->client->dev, "%s: Failed to start device\n", __func__);
}
#ifdef TWO_LEVEL_GRIP_CONCEPT
sec_ts_set_grip_type(ts, ONLY_EDGE_HANDLER); // because edge and dead zone will recover soon
#endif
return 0;
}
static void sec_ts_input_close(struct input_dev *dev)
{
struct sec_ts_data *ts = input_get_drvdata(dev);
ts->input_closed = true;
input_info(true, &ts->client->dev, "%s\n", __func__);
#ifdef CONFIG_SECURE_TOUCH
secure_touch_stop(ts, 1);
#endif
#ifdef USE_RESET_DURING_POWER_ON
cancel_delayed_work(&ts->reset_work);
#endif
if (ts->lowpower_mode) {
sec_ts_set_lowpowermode(ts, TO_LOWPOWER_MODE);
ts->power_status = SEC_TS_STATE_LPM_RESUME;
} else {
sec_ts_stop_device(ts);
}
}
#endif
static int sec_ts_remove(struct i2c_client *client)
{
struct sec_ts_data *ts = i2c_get_clientdata(client);
input_info(true, &ts->client->dev, "%s\n", __func__);
#ifdef USE_RESET_DURING_POWER_ON
cancel_delayed_work(&ts->reset_work);
#endif
sec_ts_fn_remove(ts);
free_irq(client->irq, ts);
#ifdef CONFIG_TOUCHSCREEN_DUMP_MODE
p_ghost_check = NULL;
#endif
device_init_wakeup(&client->dev, false);
wake_lock_destroy(&ts->wakelock);
input_mt_destroy_slots(ts->input_dev);
input_unregister_device(ts->input_dev);
ts->input_dev = NULL;
ts_dup = NULL;
ts->plat_data->power(ts, false);
#ifdef CONFIG_TRUSTONIC_TRUSTED_UI
tsp_info = NULL;
#endif
kfree(ts);
return 0;
}
static void sec_ts_shutdown(struct i2c_client *client)
{
struct sec_ts_data *ts = i2c_get_clientdata(client);
input_info(true, &ts->client->dev, "%s\n", __func__);
sec_ts_remove(client);
}
static int sec_ts_stop_device(struct sec_ts_data *ts)
{
input_info(true, &ts->client->dev, "%s\n", __func__);
mutex_lock(&ts->device_mutex);
if (ts->power_status == SEC_TS_STATE_POWER_OFF) {
input_err(true, &ts->client->dev, "%s: already power off\n", __func__);
goto out;
}
ts->power_status = SEC_TS_STATE_POWER_OFF;
disable_irq(ts->client->irq);
sec_ts_locked_release_all_finger(ts);
ts->plat_data->power(ts, false);
if (ts->plat_data->enable_sync)
ts->plat_data->enable_sync(false);
sec_ts_pinctrl_configure(ts, false);
out:
mutex_unlock(&ts->device_mutex);
return 0;
}
static int sec_ts_start_device(struct sec_ts_data *ts)
{
int ret;
input_info(true, &ts->client->dev, "%s\n", __func__);
sec_ts_pinctrl_configure(ts, true);
mutex_lock(&ts->device_mutex);
if (ts->power_status == SEC_TS_STATE_POWER_ON) {
input_err(true, &ts->client->dev, "%s: already power on\n", __func__);
goto out;
}
sec_ts_locked_release_all_finger(ts);
ts->plat_data->power(ts, true);
sec_ts_delay(70);
ts->power_status = SEC_TS_STATE_POWER_ON;
sec_ts_wait_for_ready(ts, SEC_TS_ACK_BOOT_COMPLETE);
if (ts->plat_data->enable_sync)
ts->plat_data->enable_sync(true);
if (ts->flip_enable) {
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SET_COVERTYPE, &ts->cover_cmd, 1);
ts->touch_functions = ts->touch_functions | SEC_TS_BIT_SETFUNC_COVER;
input_info(true, &ts->client->dev,
"%s: cover cmd write type:%d, mode:%x, ret:%d", __func__, ts->touch_functions, ts->cover_cmd, ret);
} else {
ts->touch_functions = (ts->touch_functions & (~SEC_TS_BIT_SETFUNC_COVER));
input_info(true, &ts->client->dev,
"%s: cover open, not send cmd", __func__);
}
ts->touch_functions = ts->touch_functions | SEC_TS_DEFAULT_ENABLE_BIT_SETFUNC;
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SET_TOUCHFUNCTION, (u8*)&ts->touch_functions, 2);
if (ret < 0)
input_err(true, &ts->client->dev,
"%s: Failed to send touch function command", __func__);
/* Sense_on */
ret = sec_ts_i2c_write(ts, SEC_TS_CMD_SENSE_ON, NULL, 0);
if (ret < 0)
input_err(true, &ts->client->dev, "sec_ts_probe: fail to write Sense_on\n");
enable_irq(ts->client->irq);
out:
mutex_unlock(&ts->device_mutex);
return 0;
}
#ifdef CONFIG_PM
static int sec_ts_pm_suspend(struct device *dev)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
/*
mutex_lock(&ts->input_dev->mutex);
if (ts->input_dev->users)
sec_ts_stop_device(ts);
mutex_unlock(&ts->input_dev->mutex);
*/
if (ts->lowpower_mode) {
ts->power_status = SEC_TS_STATE_LPM_SUSPEND;
reinit_completion(&ts->resume_done);
}
return 0;
}
static int sec_ts_pm_resume(struct device *dev)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
/*
mutex_lock(&ts->input_dev->mutex);
if (ts->input_dev->users)
sec_ts_start_device(ts);
mutex_unlock(&ts->input_dev->mutex);
*/
if (ts->lowpower_mode) {
ts->power_status = SEC_TS_STATE_LPM_RESUME;
complete_all(&ts->resume_done);
}
return 0;
}
#endif
#ifdef CONFIG_TRUSTONIC_TRUSTED_UI
void trustedui_mode_on(void){
if (!tui_tsp_info)
return;
sec_ts_unlocked_release_all_finger(tui_tsp_info);
}
void trustedui_mode_off(void){
if (!tui_tsp_info)
return;
}
#endif
static const struct i2c_device_id sec_ts_id[] = {
{ SEC_TS_I2C_NAME, 0 },
{ },
};
#ifdef CONFIG_PM
static const struct dev_pm_ops sec_ts_dev_pm_ops = {
.suspend = sec_ts_pm_suspend,
.resume = sec_ts_pm_resume,
};
#endif
#ifdef CONFIG_OF
static struct of_device_id sec_ts_match_table[] = {
{ .compatible = "sec,sec_ts",},
{ },
};
#else
#define sec_ts_match_table NULL
#endif
static struct i2c_driver sec_ts_driver = {
.probe = sec_ts_probe,
.remove = sec_ts_remove,
.shutdown = sec_ts_shutdown,
.id_table = sec_ts_id,
.driver = {
.owner = THIS_MODULE,
.name = SEC_TS_I2C_NAME,
#ifdef CONFIG_OF
.of_match_table = sec_ts_match_table,
#endif
#ifdef CONFIG_PM
.pm = &sec_ts_dev_pm_ops,
#endif
},
};
static int __init sec_ts_init(void)
{
pr_err("%s %s\n", SECLOG, __func__);
#ifdef CONFIG_BATTERY_SAMSUNG
if (lpcharge == 1) {
pr_err("%s %s : Do not load driver due to : lpm %d\n",
SECLOG, __func__, lpcharge);
return -ENODEV;
}
#endif
return i2c_add_driver(&sec_ts_driver);
}
static void __exit sec_ts_exit(void)
{
i2c_del_driver(&sec_ts_driver);
}
MODULE_AUTHOR("Hyobae, Ahn<hyobae.ahn@samsung.com>");
MODULE_DESCRIPTION("Samsung Electronics TouchScreen driver");
MODULE_LICENSE("GPL");
module_init(sec_ts_init);
module_exit(sec_ts_exit);