static irqreturn_t touchkey_interrupt_thread(int irq, void *touchkey_devdata)
{
u8 data;
int i;
int ret;
int scancode;
struct cypress_touchkey_devdata *devdata = touchkey_devdata;
ret = i2c_touchkey_read_byte(devdata, &data);
if (ret || (data & ESD_STATE_MASK)) {
ret = recovery_routine(devdata);
if (ret) {
printk("%s: touchkey recovery "
"failed!\n", __func__);
goto err;
}
}
if (data & UPDOWN_EVENT_MASK) {
scancode = (data & SCANCODE_MASK) - 1;
input_report_key(devdata->input_dev,
devdata->pdata->keycode[scancode], 0);
input_sync(devdata->input_dev);
#ifdef CONFIG_SEC_KEY_DBG
printk("[t_key]R:%d \n", devdata->pdata->keycode[scancode]);
#else
printk("[t_key] released\n");
#endif
} else {
if (!touch_state_val) {
if (devdata->has_legacy_keycode) {
scancode = (data & SCANCODE_MASK) - 1;
if (scancode < 0 || scancode >= devdata->pdata->keycode_cnt) {
printk("%s: scancode is out of "
"range\n", __func__);
goto err;
}
if (scancode == 1)
TSP_forced_release();
input_report_key(devdata->input_dev,
devdata->pdata->keycode[scancode], 1);
#ifdef CONFIG_SEC_KEY_DBG
printk("[t_key]P:%d\n", devdata->pdata->keycode[scancode]);
#else
printk("[t_key] pressed\n");
#endif
} else {
for (i = 0; i < devdata->pdata->keycode_cnt; i++)
input_report_key(devdata->input_dev,
devdata->pdata->keycode[i],
!!(data & (1U << i)));
}
input_sync(devdata->input_dev);
}
}
err:
return IRQ_HANDLED;
}
static irqreturn_t touchkey_interrupt_thread(int irq, void *touchkey_devdata)
{
u8 data;
int i;
int ret;
int scancode;
struct cypress_touchkey_devdata *devdata = touchkey_devdata;
ret = i2c_touchkey_read_byte(devdata, &data);
if (ret || (data & ESD_STATE_MASK)) {
ret = recovery_routine(devdata);
if (ret) {
dev_err(&devdata->client->dev, "%s: touchkey recovery "
"failed!\n", __func__);
goto err;
}
}
if (data & UPDOWN_EVENT_MASK) {
scancode = (data & SCANCODE_MASK) - 1;
input_report_key(devdata->input_dev,
devdata->pdata->keycode[scancode], 0);
input_sync(devdata->input_dev);
dev_dbg(&devdata->client->dev, "[release] cypress touch key : %d \n",
devdata->pdata->keycode[scancode]);
} else {
if (!touch_state_val) {
if (devdata->has_legacy_keycode) {
scancode = (data & SCANCODE_MASK) - 1;
if (scancode < 0 || scancode >= devdata->pdata->keycode_cnt) {
dev_err(&devdata->client->dev, "%s: scancode is out of "
"range\n", __func__);
goto err;
}
if (scancode == 1)
TSP_forced_release();
input_report_key(devdata->input_dev,
devdata->pdata->keycode[scancode], 1);
dev_dbg(&devdata->client->dev, "[press] cypress touch key : %d \n",
devdata->pdata->keycode[scancode]);
} else {
for (i = 0; i < devdata->pdata->keycode_cnt; i++)
input_report_key(devdata->input_dev,
devdata->pdata->keycode[i],
!!(data & (1U << i)));
}
input_sync(devdata->input_dev);
mod_timer(&bl_timer, jiffies + msecs_to_jiffies(backlight_timeout));
}
}
err:
return IRQ_HANDLED;
}
void touchkey_work_func(struct work_struct * p)
{
u8 data[3];
//printk("touchkey workqueue %s\n",__func__);
if(!gpio_get_value(_3_GPIO_TOUCH_INT))
{
if(i2c_touchkey_read(KEYCODE_REG, &data, 1) < 0)
{
printk("%s %d i2c transfer error\n", __func__, __LINE__);
return;
}
#ifdef CONFIG_CPU_FREQ
set_dvfs_target_level(LEV_400MHZ);
#endif
if(data[0] & UPDOWN_EVENT_BIT)
{
input_report_key(touchkey_driver->input_dev, touchkey_keycode[data[0] & KEYCODE_BIT], 0);
input_sync(touchkey_driver->input_dev);
//printk(" touchkey release keycode: %d\n", touchkey_keycode[data[0] & KEYCODE_BIT]);
}
else
{
if(touch_state_val == 1)
{
//printk(KERN_DEBUG "touchkey pressed but don't send event because touch is pressed. \n");
//set_touchkey_debug('P');
}
else
{
if((data[0] & KEYCODE_BIT) == 2){ // if back key is pressed, release multitouch
//printk("touchkey release tsp input. \n");
TSP_forced_release();
}
input_report_key(touchkey_driver->input_dev, touchkey_keycode[data[0] & KEYCODE_BIT],1);
input_sync(touchkey_driver->input_dev);
//printk(" touchkey press keycode: %d\n", touchkey_keycode[data[0] & KEYCODE_BIT]);
}
}
}
enable_irq(IRQ_TOUCH_INT);
return ;
}
void touchkey_work_func(struct work_struct *p)
{
u8 data[3];
int ret;
int retry = 10;
set_touchkey_debug('a');
if (!gpio_get_value(_3_GPIO_TOUCH_INT)) {
#ifdef CONFIG_CPU_FREQ
set_dvfs_target_level(LEV_800MHZ);
#endif
ret = i2c_touchkey_read(KEYCODE_REG, data, 1);
set_touchkey_debug(data[0]);
if ((data[0] & ESD_STATE_BIT) || (ret != 0)) {
printk
("ESD_STATE_BIT set or I2C fail: data: %d, retry: %d\n",
data[0], retry);
//releae key
input_report_key(touchkey_driver->input_dev,
touchkey_keycode[1], 0);
input_report_key(touchkey_driver->input_dev,
touchkey_keycode[2], 0);
retry = 10;
while (retry--) {
#ifndef CONFIG_S5PC110_DEMPSEY_BOARD
gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
#endif
mdelay(300);
init_hw();
if (i2c_touchkey_read(KEYCODE_REG, data, 3) >=
0) {
printk("%s touchkey init success\n",
__func__);
set_touchkey_debug('O');
#ifndef CONFIG_S5PC110_DEMPSEY_BOARD
enable_irq(IRQ_TOUCH_INT);
#endif
return;
}
printk("%s %d i2c transfer error retry = %d\n",
__func__, __LINE__, retry);
}
//touchkey die , do not enable touchkey
//enable_irq(IRQ_TOUCH_INT);
touchkey_enable = -1;
#ifndef CONFIG_S5PC110_DEMPSEY_BOARD
gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
#endif
#if !(defined(CONFIG_ARIES_NTT) || defined(CONFIG_S5PC110_DEMPSEY_BOARD))
gpio_direction_output(_3_GPIO_TOUCH_CE, 0);
#endif
gpio_direction_output(_3_TOUCH_SDA_28V, 0);
gpio_direction_output(_3_TOUCH_SCL_28V, 0);
printk("%s touchkey died\n", __func__);
set_touchkey_debug('D');
return;
}
if (data[0] & UPDOWN_EVENT_BIT) {
input_report_key(touchkey_driver->input_dev,
touchkey_keycode[data[0] &
KEYCODE_BIT], 0);
input_sync(touchkey_driver->input_dev);
//printk(" touchkey release keycode: %d\n", touchkey_keycode[data[0] & KEYCODE_BIT]);
printk(KERN_DEBUG "touchkey release keycode:%d \n",
touchkey_keycode[data[0] & KEYCODE_BIT]);
} else {
if (touch_state_val == 1) {
printk(KERN_DEBUG
"touchkey pressed but don't send event because touch is pressed. \n");
set_touchkey_debug('P');
} else {
if ((data[0] & KEYCODE_BIT) == 2) { // if back key is pressed, release multitouch
//printk("touchkey release tsp input. \n");
TSP_forced_release();
}
input_report_key(touchkey_driver->input_dev,
touchkey_keycode[data[0] &
KEYCODE_BIT],
1);
input_sync(touchkey_driver->input_dev);
//printk(" touchkey press keycode: %d\n", touchkey_keycode[data[0] & KEYCODE_BIT]);
printk(KERN_DEBUG
"touchkey press keycode:%d \n",
touchkey_keycode[data[0] & KEYCODE_BIT]);
}
}
}
//clear interrupt
#ifndef CONFIG_S5PC110_DEMPSEY_BOARD
if (readl(gpio_pend_mask_mem) & (0x1 << 1))
writel(readl(gpio_pend_mask_mem) | (0x1 << 1),
gpio_pend_mask_mem);
set_touchkey_debug('A');
enable_irq(IRQ_TOUCH_INT);
#endif
set_touchkey_debug('A');
}
static int i2c_touchkey_write(u8 * val, unsigned int len)
{
int err;
struct i2c_msg msg[1];
unsigned char data[2];
int retry = 2;
#ifdef CONFIG_KEYPAD_CYPRESS_TOUCH_USE_BLN
if (touchkey_driver == NULL) {
#else
if ((touchkey_driver == NULL) || !(touchkey_enable == 1)) {
#endif
printk(KERN_DEBUG "touchkey is not enabled.W\n");
return -ENODEV;
}
while (retry--) {
data[0] = *val;
msg->addr = touchkey_driver->client->addr;
msg->flags = I2C_M_WR;
msg->len = len;
msg->buf = data;
err = i2c_transfer(touchkey_driver->client->adapter, msg, 1);
if (err >= 0)
return 0;
printk(KERN_DEBUG "%s %d i2c transfer error\n", __func__,
__LINE__);
mdelay(10);
}
return err;
}
extern unsigned int touch_state_val;
extern void TSP_forced_release(void);
void touchkey_work_func(struct work_struct *p)
{
u8 data[3];
int ret;
int retry = 10;
set_touchkey_debug('a');
if (!gpio_get_value(_3_GPIO_TOUCH_INT)) {
#ifdef CONFIG_CPU_FREQ
set_dvfs_target_level(LEV_800MHZ);
#endif
ret = i2c_touchkey_read(KEYCODE_REG, data, 1);
set_touchkey_debug(data[0]);
if ((data[0] & ESD_STATE_BIT) || (ret != 0)) {
printk
("ESD_STATE_BIT set or I2C fail: data: %d, retry: %d\n",
data[0], retry);
//releae key
input_report_key(touchkey_driver->input_dev,
touchkey_keycode[1], 0);
input_report_key(touchkey_driver->input_dev,
touchkey_keycode[2], 0);
retry = 10;
while (retry--) {
#ifdef CONFIG_KEYPAD_CYPRESS_TOUCH_USE_BLN
touchkey_power_off();
#else
gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
#endif
mdelay(300);
init_hw();
if (i2c_touchkey_read(KEYCODE_REG, data, 3) >=
0) {
printk("%s touchkey init success\n",
__func__);
set_touchkey_debug('O');
enable_irq(IRQ_TOUCH_INT);
return;
}
printk("%s %d i2c transfer error retry = %d\n",
__func__, __LINE__, retry);
}
//touchkey die , do not enable touchkey
//enable_irq(IRQ_TOUCH_INT);
touchkey_enable = -1;
#ifdef CONFIG_KEYPAD_CYPRESS_TOUCH_USE_BLN
touchkey_power_off_with_i2c();
#else
gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
#if !defined(CONFIG_ARIES_NTT)
gpio_direction_output(_3_GPIO_TOUCH_CE, 0);
#endif
gpio_direction_output(_3_TOUCH_SDA_28V, 0);
gpio_direction_output(_3_TOUCH_SCL_28V, 0);
#endif
printk("%s touchkey died\n", __func__);
set_touchkey_debug('D');
return;
}
if (data[0] & UPDOWN_EVENT_BIT) {
input_report_key(touchkey_driver->input_dev,
touchkey_keycode[data[0] &
KEYCODE_BIT], 0);
input_sync(touchkey_driver->input_dev);
//printk(" touchkey release keycode: %d\n", touchkey_keycode[data[0] & KEYCODE_BIT]);
printk(KERN_DEBUG "touchkey release keycode:%d \n",
touchkey_keycode[data[0] & KEYCODE_BIT]);
} else {
if (touch_state_val == 1) {
printk(KERN_DEBUG
"touchkey pressed but don't send event because touch is pressed. \n");
set_touchkey_debug('P');
} else {
if ((data[0] & KEYCODE_BIT) == 2) { // if back key is pressed, release multitouch
//printk("touchkey release tsp input. \n");
TSP_forced_release();
}
input_report_key(touchkey_driver->input_dev,
touchkey_keycode[data[0] &
KEYCODE_BIT],
1);
input_sync(touchkey_driver->input_dev);
//printk(" touchkey press keycode: %d\n", touchkey_keycode[data[0] & KEYCODE_BIT]);
printk(KERN_DEBUG
"touchkey press keycode:%d \n",
touchkey_keycode[data[0] & KEYCODE_BIT]);
}
}
}
//clear interrupt
if (readl(gpio_pend_mask_mem) & (0x1 << 1))
writel(readl(gpio_pend_mask_mem) | (0x1 << 1),
gpio_pend_mask_mem);
set_touchkey_debug('A');
enable_irq(IRQ_TOUCH_INT);
}
