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Commit 1c9c9664 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
Browse files

Merge "input: touchscreen: nt36xxx: Add callback from drm_panel"

parents 1348be0d 3235976b

drivers/input/touchscreen/nt36xxx/nt36xxx.c

+375 −319
Original line number Diff line number Diff line
@@ -26,10 +26,9 @@ 
#include <linux/of_gpio.h>

#include <linux/of_irq.h>



#if defined(CONFIG_FB)

#ifdef CONFIG_DRM_MSM

#include <linux/msm_drm_notify.h>

#endif

#if defined(CONFIG_DRM_PANEL)

#include <drm/drm_panel.h>

#elif defined(CONFIG_FB)

#include <linux/notifier.h>

#include <linux/fb.h>

#elif defined(CONFIG_HAS_EARLYSUSPEND)
@@ -61,17 +60,19 @@ extern void nvt_mp_proc_deinit(void); 


struct nvt_ts_data *ts;



#if defined(CONFIG_DRM_PANEL)

static struct drm_panel *active_panel;

#endif



#if BOOT_UPDATE_FIRMWARE

static struct workqueue_struct *nvt_fwu_wq;

extern void Boot_Update_Firmware(struct work_struct *work);

#endif



#if defined(CONFIG_FB)

#ifdef _MSM_DRM_NOTIFY_H_

#if defined(CONFIG_DRM_PANEL)

static int nvt_drm_notifier_callback(struct notifier_block *self, unsigned long event, void *data);

#else

#elif defined(CONFIG_FB)

static int nvt_fb_notifier_callback(struct notifier_block *self, unsigned long event, void *data);

#endif

#elif defined(CONFIG_HAS_EARLYSUSPEND)

static void nvt_ts_early_suspend(struct early_suspend *h);

static void nvt_ts_late_resume(struct early_suspend *h);
@@ -106,11 +107,11 @@ const uint16_t gesture_key_array[] = { 
static uint8_t bTouchIsAwake = 0;



/*******************************************************

Description:

	Novatek touchscreen irq enable/disable function.



return:

	n.a.

 * Description:

 *     Novatek touchscreen irq enable/disable function.

 *

 * return:

 *     n.a.

 *******************************************************/

static void nvt_irq_enable(bool enable)

{
@@ -133,11 +134,11 @@ static void nvt_irq_enable(bool enable) 
}



/*******************************************************

Description:

	Novatek touchscreen i2c read function.



return:

	Executive outcomes. 2---succeed. -5---I/O error

 * Description:

 *     Novatek touchscreen i2c read function.

 *

 * return:

 *     Executive outcomes. 2---succeed. -5---I/O error

 *******************************************************/

int32_t CTP_I2C_READ(struct i2c_client *client, uint16_t address, uint8_t *buf,

		uint16_t len)
@@ -177,11 +178,11 @@ int32_t CTP_I2C_READ(struct i2c_client *client, uint16_t address, uint8_t *buf, 
}



/*******************************************************

Description:

	Novatek touchscreen i2c write function.



return:

	Executive outcomes. 1---succeed. -5---I/O error

 * Description:

 *     Novatek touchscreen i2c write function.

 *

 * return:

 *     Executive outcomes. 1---succeed. -5---I/O error

 *******************************************************/

int32_t CTP_I2C_WRITE(struct i2c_client *client, uint16_t address, uint8_t *buf,

		uint16_t len)
@@ -215,12 +216,12 @@ int32_t CTP_I2C_WRITE(struct i2c_client *client, uint16_t address, uint8_t *buf, 
}



/*******************************************************

Description:

	Novatek touchscreen set index/page/addr address.



return:

	Executive outcomes. 0---succeed. -5---access fail.

*******************************************************/

 * Description:

 *     Novatek touchscreen set index/page/addr address.

 *

 * return:

 *     Executive outcomes. 0---succeed. -5---access fail.

 ********************************************************/

int32_t nvt_set_page(uint16_t i2c_addr, uint32_t addr)

{

	uint8_t buf[4] = {0};
@@ -233,12 +234,12 @@ int32_t nvt_set_page(uint16_t i2c_addr, uint32_t addr) 
}



/*******************************************************

Description:

	Novatek touchscreen reset MCU then into idle mode

    function.



return:

	n.a.

 * Description:

 *     Novatek touchscreen reset MCU then into idle mode

 * function.

 *

 * return:

 *     n.a.

 *******************************************************/

void nvt_sw_reset_idle(void)

{
@@ -253,11 +254,11 @@ void nvt_sw_reset_idle(void) 
}



/*******************************************************

Description:

	Novatek touchscreen reset MCU (boot) function.



return:

	n.a.

 * Description:

 *     Novatek touchscreen reset MCU (boot) function.

 *

 * return:

 *     n.a.

 *******************************************************/

void nvt_bootloader_reset(void)

{
@@ -277,11 +278,11 @@ void nvt_bootloader_reset(void) 
}



/*******************************************************

Description:

	Novatek touchscreen clear FW status function.



return:

	Executive outcomes. 0---succeed. -1---fail.

 * Description:

 *     Novatek touchscreen clear FW status function.

 *

 * return:

 *     Executive outcomes. 0---succeed. -1---fail.

 *******************************************************/

int32_t nvt_clear_fw_status(void)

{
@@ -318,11 +319,11 @@ int32_t nvt_clear_fw_status(void) 
}



/*******************************************************

Description:

	Novatek touchscreen check FW status function.



return:

	Executive outcomes. 0---succeed. -1---failed.

 * Description:

 *     Novatek touchscreen check FW status function.

 *

 * return:

 *     Executive outcomes. 0---succeed. -1---failed.

 *******************************************************/

int32_t nvt_check_fw_status(void)

{
@@ -354,12 +355,12 @@ int32_t nvt_check_fw_status(void) 
}



/*******************************************************

Description:

	Novatek touchscreen check FW reset state function.



return:

	Executive outcomes. 0---succeed. -1---failed.

*******************************************************/

 * Description:

 *     Novatek touchscreen check FW reset state function.

 *

 * return:

 *     Executive outcomes. 0---succeed. -1---failed.

 ******************************************************/

int32_t nvt_check_fw_reset_state(RST_COMPLETE_STATE check_reset_state)

{

	uint8_t buf[8] = {0};
@@ -392,12 +393,12 @@ int32_t nvt_check_fw_reset_state(RST_COMPLETE_STATE check_reset_state) 
}



/*******************************************************

Description:

	Novatek touchscreen get novatek project id information

	function.



return:

	Executive outcomes. 0---success. -1---fail.

 * Description:

 *     Novatek touchscreen get novatek project id information

 * function.

 *

 * return:

 *     Executive outcomes. 0---success. -1---fail.

 *******************************************************/

int32_t nvt_read_pid(void)

{
@@ -479,20 +480,21 @@ int32_t nvt_get_fw_info(void) 
}



/*******************************************************

  Create Device Node (Proc Entry)

 * Create Device Node (Proc Entry)

 *******************************************************/

#if NVT_TOUCH_PROC

static struct proc_dir_entry *NVT_proc_entry;

#define DEVICE_NAME	"NVTflash"



/*******************************************************

Description:

	Novatek touchscreen /proc/NVTflash read function.



return:

	Executive outcomes. 2---succeed. -5,-14---failed.

 * Description:

 *     Novatek touchscreen /proc/NVTflash read function.

 *

 * return:

 *     Executive outcomes. 2---succeed. -5,-14---failed.

 *******************************************************/

static ssize_t nvt_flash_read(struct file *file, char __user *buff, size_t count, loff_t *offp)

static ssize_t nvt_flash_read(struct file *file, char __user *buff,

	size_t count, loff_t *offp)

{

	uint8_t str[68] = {0};

	int32_t ret = -1;
@@ -567,11 +569,11 @@ static ssize_t nvt_flash_read(struct file *file, char __user *buff, size_t count 
}



/*******************************************************

Description:

	Novatek touchscreen /proc/NVTflash open function.



return:

	Executive outcomes. 0---succeed. -12---failed.

 * Description:

 *     Novatek touchscreen /proc/NVTflash open function.

 *

 * return:

 *     Executive outcomes. 0---succeed. -12---failed.

 *******************************************************/

static int32_t nvt_flash_open(struct inode *inode, struct file *file)

{
@@ -590,11 +592,11 @@ static int32_t nvt_flash_open(struct inode *inode, struct file *file) 
}



/*******************************************************

Description:

	Novatek touchscreen /proc/NVTflash close function.



return:

	Executive outcomes. 0---succeed.

 * Description:

 *     Novatek touchscreen /proc/NVTflash close function.

 *

 * return:

 *     Executive outcomes. 0---succeed.

 *******************************************************/

static int32_t nvt_flash_close(struct inode *inode, struct file *file)

{
@@ -612,11 +614,11 @@ static const struct file_operations nvt_flash_fops = { 
};



/*******************************************************

Description:

	Novatek touchscreen /proc/NVTflash initial function.



return:

	Executive outcomes. 0---succeed. -12---failed.

 * Description:

 *     Novatek touchscreen /proc/NVTflash initial function.

 *

 * return:

 *     Executive outcomes. 0---succeed. -12---failed.

 *******************************************************/

static int32_t nvt_flash_proc_init(void)

{
@@ -636,11 +638,11 @@ static int32_t nvt_flash_proc_init(void) 
}



/*******************************************************

Description:

	Novatek touchscreen /proc/NVTflash deinitial function.



return:

	n.a.

 * Description:

 *     Novatek touchscreen /proc/NVTflash deinitial function.

 *

 * return:

 *     n.a.

 *******************************************************/

static void nvt_flash_proc_deinit(void)

{
@@ -673,11 +675,11 @@ static void nvt_flash_proc_deinit(void) 
#define FUNCPAGE_GESTURE         1



/*******************************************************

Description:

	Novatek touchscreen wake up gesture key report function.



return:

	n.a.

 * Description:

 *     Novatek touchscreen wake up gesture key report function.

 *

 * return:

 *     n.a.

 *******************************************************/

void nvt_ts_wakeup_gesture_report(uint8_t gesture_id, uint8_t *data)

{
@@ -762,11 +764,11 @@ void nvt_ts_wakeup_gesture_report(uint8_t gesture_id, uint8_t *data) 
#endif



/*******************************************************

Description:

	Novatek touchscreen parse device tree function.



return:

	n.a.

 * Description:

 *     Novatek touchscreen parse device tree function.

 *

 * return:

 *     n.a.

 *******************************************************/

#ifdef CONFIG_OF

static void nvt_parse_dt(struct device *dev)
@@ -792,11 +794,11 @@ static void nvt_parse_dt(struct device *dev) 
#endif



/*******************************************************

Description:

	Novatek touchscreen config and request gpio



return:

	Executive outcomes. 0---succeed. not 0---failed.

 * Description:

 *     Novatek touchscreen config and request gpio

 *

 * return:

 *     Executive outcomes. 0---succeed. not 0---failed.

 *******************************************************/

static int nvt_gpio_config(struct nvt_ts_data *ts)

{
@@ -833,11 +835,11 @@ static int nvt_gpio_config(struct nvt_ts_data *ts) 
}



/*******************************************************

Description:

	Novatek touchscreen deconfig gpio



return:

	n.a.

 * Description:

 *     Novatek touchscreen deconfig gpio

 *

 * return:

 *     n.a.

 *******************************************************/

static void nvt_gpio_deconfig(struct nvt_ts_data *ts)

{
@@ -901,11 +903,11 @@ static void nvt_esd_check_func(struct work_struct *work) 


#define POINT_DATA_LEN 65

/*******************************************************

Description:

	Novatek touchscreen work function.



return:

	n.a.

 * Description:

 *     Novatek touchscreen work function.

 *

 * return:

 *     n.a.

 *******************************************************/

static irqreturn_t nvt_ts_work_func(int irq, void *data)

{
@@ -936,14 +938,6 @@ static irqreturn_t nvt_ts_work_func(int irq, void *data) 
		NVT_ERR("CTP_I2C_READ failed.(%d)\n", ret);

		goto XFER_ERROR;

	}

/*

	//--- dump I2C buf ---

	for (i = 0; i < 10; i++) {

		printk("%02X %02X %02X %02X %02X %02X  ",

			point_data[1+i*6], point_data[2+i*6], point_data[3+i*6], point_data[4+i*6], point_data[5+i*6], point_data[6+i*6]);

	}

	printk("\n");

*/



	if (nvt_fw_recovery(point_data)) {

#if NVT_TOUCH_ESD_PROTECT
@@ -1060,11 +1054,11 @@ static irqreturn_t nvt_ts_work_func(int irq, void *data) 
}



/*******************************************************

Description:

	Novatek touchscreen check and stop crc reboot loop.



return:

	n.a.

 * Description:

 *     Novatek touchscreen check and stop crc reboot loop.

 *

 * return:

 *     n.a.

*******************************************************/

void nvt_stop_crc_reboot(void)

{
@@ -1115,18 +1109,18 @@ void nvt_stop_crc_reboot(void) 
				break;

		}

		if (retry == 0)

			NVT_ERR("CRC auto reboot is not able to be stopped! buf[1]=0x%02X\n", buf[1]);

			NVT_ERR("CRC auto reboot is not able to be stopped!\n");

	}



	return;

}



/*******************************************************

Description:

	Novatek touchscreen check chip version trim function.



return:

	Executive outcomes. 0---NVT IC. -1---not NVT IC.

 * Description:

 *     Novatek touchscreen check chip version trim function.

 *

 * return:

 *     Executive outcomes. 0---NVT IC. -1---not NVT IC.

 *******************************************************/

static int8_t nvt_ts_check_chip_ver_trim(void)

{
@@ -1203,34 +1197,74 @@ static int8_t nvt_ts_check_chip_ver_trim(void) 
	return ret;

}



/*******************************************************

Description:

	Novatek touchscreen driver probe function.

#if defined(CONFIG_DRM_PANEL)

static int nvt_ts_check_dt(struct device_node *np)

{

	int i;

	int count;

	struct device_node *node;

	struct drm_panel *panel;



return:

	Executive outcomes. 0---succeed. negative---failed

*******************************************************/

static int32_t nvt_ts_probe(struct i2c_client *client, const struct i2c_device_id *id)

	count = of_count_phandle_with_args(np, "panel", NULL);

	if (count <= 0)

		return 0;



	for (i = 0; i < count; i++) {

		node = of_parse_phandle(np, "panel", i);

		panel = of_drm_find_panel(node);

		of_node_put(node);

		if (!IS_ERR(panel)) {

			active_panel = panel;

			pr_err(" %s:find\n", __func__);

			return 0;

		}

	}



	pr_err(" %s: not find\n", __func__);

	return -ENODEV;

}



static int nvt_ts_check_default_tp(struct device_node *dt, const char *prop)

{

	int32_t ret = 0;

#if ((TOUCH_KEY_NUM > 0) || WAKEUP_GESTURE)

	int32_t retry = 0;

#endif

	const char *active_tp[3 + 1] = {NULL, NULL, NULL, NULL};

	int count;

	int ret;



	NVT_LOG("start\n");

	count = of_property_count_strings(dt->parent, prop);

	if (count <= 0 || count > 3)

		return -ENODEV;



	ts = kmalloc(sizeof(struct nvt_ts_data), GFP_KERNEL);

	if (ts == NULL) {

		NVT_ERR("failed to allocated memory for nvt ts data\n");

		return -ENOMEM;

	ret = of_property_read_string_array(dt->parent, prop,

			(const char **)&active_tp, count);

	if (ret < 0) {

		pr_err(" %s:fail to read %s %d\n", __func__, prop, ret);

		return -ENODEV;

	}



	ts->client = client;

	i2c_set_clientdata(client, ts);

	if (!of_device_compatible_match(dt, active_tp)) {

		pr_err(" %s:no match compatible: %s, %s %s\n",

			__func__, active_tp[0]);

		return -ENODEV;

	}



	//---parse dts---

	nvt_parse_dt(&client->dev);

	return 0;

}

#endif



/*******************************************************

 * Description:

 *     Novatek touchscreen driver probe function.

 *

 * return:

 *     Executive outcomes. 0---succeed. negative---failed

 *******************************************************/

static int32_t nvt_ts_late_probe(struct i2c_client *client,

	const struct i2c_device_id *id)

{

	int32_t ret = 0;

#if ((TOUCH_KEY_NUM > 0) || WAKEUP_GESTURE)

	int32_t retry = 0;

#endif

	//---request and config GPIOs---

	ret = nvt_gpio_config(ts);

	if (ret) {
@@ -1238,19 +1272,6 @@ static int32_t nvt_ts_probe(struct i2c_client *client, const struct i2c_device_i 
		goto err_gpio_config_failed;

	}



	//---check i2c func.---

	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {

		NVT_ERR("i2c_check_functionality failed. (no I2C_FUNC_I2C)\n");

		ret = -ENODEV;

		goto err_check_functionality_failed;

	}



	mutex_init(&ts->lock);

	mutex_init(&ts->xbuf_lock);



	// need 10ms delay after POR(power on reset)

	msleep(10);



	//---check chip version trim---

	ret = nvt_ts_check_chip_ver_trim();

	if (ret) {
@@ -1397,33 +1418,6 @@ static int32_t nvt_ts_probe(struct i2c_client *client, const struct i2c_device_i 
	}

#endif



#if defined(CONFIG_FB)

#ifdef _MSM_DRM_NOTIFY_H_

	ts->drm_notif.notifier_call = nvt_drm_notifier_callback;

	ret = msm_drm_register_client(&ts->drm_notif);

	if(ret) {

		NVT_ERR("register drm_notifier failed. ret=%d\n", ret);

		goto err_register_drm_notif_failed;

	}

#else

	ts->fb_notif.notifier_call = nvt_fb_notifier_callback;

	ret = fb_register_client(&ts->fb_notif);

	if(ret) {

		NVT_ERR("register fb_notifier failed. ret=%d\n", ret);

		goto err_register_fb_notif_failed;

	}

#endif

#elif defined(CONFIG_HAS_EARLYSUSPEND)

	ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;

	ts->early_suspend.suspend = nvt_ts_early_suspend;

	ts->early_suspend.resume = nvt_ts_late_resume;

	ret = register_early_suspend(&ts->early_suspend);

	if(ret) {

		NVT_ERR("register early suspend failed. ret=%d\n", ret);

		goto err_register_early_suspend_failed;

	}

#endif



	bTouchIsAwake = 1;

	NVT_LOG("end\n");
@@ -1431,20 +1425,6 @@ static int32_t nvt_ts_probe(struct i2c_client *client, const struct i2c_device_i 


	return 0;



#if defined(CONFIG_FB)

#ifdef _MSM_DRM_NOTIFY_H_

	if (msm_drm_unregister_client(&ts->drm_notif))

		NVT_ERR("Error occurred while unregistering drm_notifier.\n");

err_register_drm_notif_failed:

#else

	if (fb_unregister_client(&ts->fb_notif))

		NVT_ERR("Error occurred while unregistering fb_notifier.\n");

err_register_fb_notif_failed:

#endif

#elif defined(CONFIG_HAS_EARLYSUSPEND)

	unregister_early_suspend(&ts->early_suspend);

err_register_early_suspend_failed:

#endif

#if NVT_TOUCH_MP

nvt_mp_proc_deinit();

err_mp_proc_init_failed:
@@ -1487,38 +1467,114 @@ nvt_flash_proc_deinit(); 
	}

err_input_dev_alloc_failed:

err_chipvertrim_failed:

	mutex_destroy(&ts->xbuf_lock);

	mutex_destroy(&ts->lock);

err_check_functionality_failed:

	nvt_gpio_deconfig(ts);

err_gpio_config_failed:

	i2c_set_clientdata(client, NULL);

	if (ts) {

		kfree(ts);

		ts = NULL;

	}

	return ret;

}



/*******************************************************

Description:

	Novatek touchscreen driver release function.

 * Description:

 *     Novatek touchscreen driver probe function.

 *

 * return:

 *     Executive outcomes. 0---succeed. negative---failed

 *******************************************************/

static int32_t nvt_ts_probe(struct i2c_client *client,

	const struct i2c_device_id *id)

{

	int32_t ret = 0;

#if defined(CONFIG_DRM)

	struct device_node *dp = client->dev.of_node;

#endif



return:

	Executive outcomes. 0---succeed.

	NVT_LOG("start\n");



#if defined(CONFIG_DRM)

	if (nvt_ts_check_dt(dp)) {

		if (!nvt_ts_check_default_tp(dp, "qcom,i2c-touch-active"))

			ret = -EPROBE_DEFER;

		else

			ret = -ENODEV;



		return ret;

	}

#endif



	ts = devm_kzalloc(&client->dev, sizeof(struct nvt_ts_data), GFP_KERNEL);

	if (ts == NULL) {

		NVT_ERR("failed to allocated memory for nvt ts data\n");

		return -ENOMEM;

	}



	ts->client = client;

	i2c_set_clientdata(client, ts);



	//---parse dts---

	nvt_parse_dt(&client->dev);



	//---check i2c func.---

	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {

		NVT_ERR("i2c_check_functionality failed. (no I2C_FUNC_I2C)\n");

		return  -ENODEV;

	}



	mutex_init(&ts->lock);

	mutex_init(&ts->xbuf_lock);



	ts->id = id;



#if defined(CONFIG_DRM)

	ts->drm_notif.notifier_call = nvt_drm_notifier_callback;



	if (active_panel &&

		drm_panel_notifier_register(active_panel,

			&ts->drm_notif) < 0) {

		NVT_ERR("register notifier failed!\n");

		goto err_register_drm_notif_failed;

	}

#elif defined(CONFIG_HAS_EARLYSUSPEND)

	ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;

	ts->early_suspend.suspend = nvt_ts_early_suspend;

	ts->early_suspend.resume = nvt_ts_late_resume;

	ret = register_early_suspend(&ts->early_suspend);

	if (ret) {

		NVT_ERR("register early suspend failed. ret=%d\n", ret);

		goto err_register_early_suspend_failed;

	}

#endif



	NVT_LOG("end\n");

	return 0;



#if defined(CONFIG_DRM)

	if (active_panel)

		drm_panel_notifier_unregister(active_panel, &ts->drm_notif);

err_register_drm_notif_failed:



#elif defined(CONFIG_HAS_EARLYSUSPEND)

	unregister_early_suspend(&ts->early_suspend);

err_register_early_suspend_failed:

#endif



	return -ENODEV;

}



/*******************************************************

 * Description:

 *     Novatek touchscreen driver release function.

 *

 * return:

 *     Executive outcomes. 0---succeed.

 *******************************************************/

static int32_t nvt_ts_remove(struct i2c_client *client)

{

	NVT_LOG("Removing driver...\n");



#if defined(CONFIG_FB)

#ifdef _MSM_DRM_NOTIFY_H_

	if (msm_drm_unregister_client(&ts->drm_notif))

		NVT_ERR("Error occurred while unregistering drm_notifier.\n");

#else

#if defined(CONFIG_DRM_PANEL)

	if (active_panel)

		drm_panel_notifier_unregister(active_panel, &ts->drm_notif);

#elif defined(CONFIG_FB)

	if (fb_unregister_client(&ts->fb_notif))

		NVT_ERR("Error occurred while unregistering fb_notifier.\n");

#endif

#elif defined(CONFIG_HAS_EARLYSUSPEND)

	unregister_early_suspend(&ts->early_suspend);

#endif
@@ -1583,14 +1639,12 @@ static void nvt_ts_shutdown(struct i2c_client *client) 


	nvt_irq_enable(false);



#if defined(CONFIG_FB)

#ifdef _MSM_DRM_NOTIFY_H_

	if (msm_drm_unregister_client(&ts->drm_notif))

		NVT_ERR("Error occurred while unregistering drm_notifier.\n");

#else

#if defined(CONFIG_DRM_PANEL)

	if (active_panel)

		drm_panel_notifier_unregister(active_panel, &ts->drm_notif);

#elif defined(CONFIG_FB)

	if (fb_unregister_client(&ts->fb_notif))

		NVT_ERR("Error occurred while unregistering fb_notifier.\n");

#endif

#elif defined(CONFIG_HAS_EARLYSUSPEND)

	unregister_early_suspend(&ts->early_suspend);

#endif
@@ -1628,11 +1682,11 @@ static void nvt_ts_shutdown(struct i2c_client *client) 
}



/*******************************************************

Description:

	Novatek touchscreen driver suspend function.



return:

	Executive outcomes. 0---succeed.

 * Description:

 *     Novatek touchscreen driver suspend function.

 *

 * return:

 *     Executive outcomes. 0---succeed.

 *******************************************************/

static int32_t nvt_ts_suspend(struct device *dev)

{
@@ -1704,29 +1758,30 @@ static int32_t nvt_ts_suspend(struct device *dev) 
}



/*******************************************************

Description:

	Novatek touchscreen driver resume function.



return:

	Executive outcomes. 0---succeed.

 * Description:

 *     Novatek touchscreen driver resume function.

 *

 * return:

 *     Executive outcomes. 0---succeed.

 *******************************************************/

static int32_t nvt_ts_resume(struct device *dev)

{

	if (bTouchIsAwake) {

		NVT_LOG("Touch is already resume\n");

	NVT_LOG("start\n");



	if (bTouchIsAwake || ts->fw_ver == 0) {

		nvt_ts_late_probe(ts->client, ts->id);

		NVT_LOG("nvt_ts_late_probe\n");

		return 0;

	}



	mutex_lock(&ts->lock);



	NVT_LOG("start\n");



	// please make sure display reset(RESX) sequence and mipi dsi cmds sent before this

	// make sure display reset(RESX) sequence and dsi cmds sent before this

#if NVT_TOUCH_SUPPORT_HW_RST

	gpio_set_value(ts->reset_gpio, 1);

#endif



	// need to uncomment the following code for NT36672, NT36772 IC due to no boot-load when RESX/TP_RESX

	// NT36772 IC due to no boot-load when RESX/TP_RESX

	// nvt_bootloader_reset();

	if (nvt_check_fw_reset_state(RESET_STATE_REK)) {

		NVT_ERR("FW is not ready! Try to bootloader reset...\n");
@@ -1753,38 +1808,39 @@ static int32_t nvt_ts_resume(struct device *dev) 
	return 0;

}





#if defined(CONFIG_FB)

#ifdef _MSM_DRM_NOTIFY_H_

static int nvt_drm_notifier_callback(struct notifier_block *self, unsigned long event, void *data)

#if defined(CONFIG_DRM_PANEL)

static int nvt_drm_notifier_callback(struct notifier_block *self,

	unsigned long event, void *data)

{

	struct msm_drm_notifier *evdata = data;

	struct drm_panel_notifier *evdata = data;

	int *blank;

	struct nvt_ts_data *ts =

		container_of(self, struct nvt_ts_data, drm_notif);



	if (!evdata || (evdata->id != 0))

	if (!evdata || !evdata->data || !ts)

		return 0;



	if (evdata->data && ts) {

	blank = evdata->data;

		if (event == MSM_DRM_EARLY_EVENT_BLANK) {

			if (*blank == MSM_DRM_BLANK_POWERDOWN) {



	if (event == DRM_PANEL_EARLY_EVENT_BLANK) {

		if (*blank == DRM_PANEL_BLANK_POWERDOWN) {

			NVT_LOG("event=%lu, *blank=%d\n", event, *blank);

			nvt_ts_suspend(&ts->client->dev);

		}

		} else if (event == MSM_DRM_EVENT_BLANK) {

			if (*blank == MSM_DRM_BLANK_UNBLANK) {

	} else if (event == DRM_PANEL_EVENT_BLANK) {

		if (*blank == DRM_PANEL_BLANK_UNBLANK) {

			NVT_LOG("event=%lu, *blank=%d\n", event, *blank);

			nvt_ts_resume(&ts->client->dev);

		}

	}

	}



	return 0;

}

#else

static int nvt_fb_notifier_callback(struct notifier_block *self, unsigned long event, void *data)



#elif defined(CONFIG_FB)



static int nvt_fb_notifier_callback(struct notifier_block *self,

	unsigned long event, void *data)

{

	struct fb_event *evdata = data;

	int *blank;
@@ -1807,14 +1863,14 @@ static int nvt_fb_notifier_callback(struct notifier_block *self, unsigned long e 


	return 0;

}

#endif



#elif defined(CONFIG_HAS_EARLYSUSPEND)

/*******************************************************

Description:

	Novatek touchscreen driver early suspend function.



return:

	n.a.

 * Description:

 *     Novatek touchscreen driver early suspend function.

 *

 * return:

 *     n.a.

 *******************************************************/

static void nvt_ts_early_suspend(struct early_suspend *h)

{
@@ -1822,12 +1878,12 @@ static void nvt_ts_early_suspend(struct early_suspend *h) 
}



/*******************************************************

Description:

	Novatek touchscreen driver late resume function.



return:

	n.a.

*******************************************************/

 * Description:

 *     Novatek touchscreen driver late resume function.

 *

 * return:

 *     n.a.

 * *******************************************************/

static void nvt_ts_late_resume(struct early_suspend *h)

{

	nvt_ts_resume(ts->client);
@@ -1860,11 +1916,11 @@ static struct i2c_driver nvt_i2c_driver = { 
};



/*******************************************************

Description:

	Driver Install function.



return:

	Executive Outcomes. 0---succeed. not 0---failed.

 * Description:

 *     Driver Install function.

 *

 * return:

 *     Executive Outcomes. 0---succeed. not 0---failed.

 ********************************************************/

static int32_t __init nvt_driver_init(void)

{
@@ -1885,19 +1941,19 @@ static int32_t __init nvt_driver_init(void) 
}



/*******************************************************

Description:

	Driver uninstall function.



return:

	n.a.

 * Description:

 *     Driver uninstall function.

 *

 * return:

 *     n.a.

 ********************************************************/

static void __exit nvt_driver_exit(void)

{

	i2c_del_driver(&nvt_i2c_driver);

}



//late_initcall(nvt_driver_init);

module_init(nvt_driver_init);

late_initcall(nvt_driver_init);

//module_init(nvt_driver_init);

module_exit(nvt_driver_exit);



MODULE_DESCRIPTION("Novatek Touchscreen Driver");

drivers/input/touchscreen/nt36xxx/nt36xxx.h

+4 −5
Original line number Diff line number Diff line
@@ -71,7 +71,7 @@ extern const uint16_t touch_key_array[TOUCH_KEY_NUM]; 
#define TOUCH_FORCE_NUM 1000



/* Enable only when module have tp reset pin and connected to host */

#define NVT_TOUCH_SUPPORT_HW_RST 0

#define NVT_TOUCH_SUPPORT_HW_RST 1



//---Customerized func.---

#define NVT_TOUCH_PROC 1
@@ -95,12 +95,11 @@ struct nvt_ts_data { 
	struct delayed_work nvt_fwu_work;

	uint16_t addr;

	int8_t phys[32];

#if defined(CONFIG_FB)

#ifdef _MSM_DRM_NOTIFY_H_

	const struct i2c_device_id *id;

#if defined(CONFIG_DRM_PANEL)

	struct notifier_block drm_notif;

#else

#elif defined(CONFIG_FB)

	struct notifier_block fb_notif;

#endif

#elif defined(CONFIG_HAS_EARLYSUSPEND)

	struct early_suspend early_suspend;

#endif