static void bl_set_pwm_mode(int mode)
{
if (mode)
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x09);
else
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x08);
}
void lm3630_backlight_on(int level)
{
if (backlight_status == BL_OFF) {
pr_info("%s with level %d\n", __func__, level);
lm3630_hw_reset();
/* OVP(24V),OCP(1.0A) , Boost Frequency(500khz) */
lm3630_write_reg(main_lm3630_dev->client, 0x02, 0x30);
if( lm3630_pwm_enable ) {
/* eble Feedback , disable PWM for BANK A,B */
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x09);
}
else {
/* eble Feedback , disable PWM for BANK A,B */
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x08);
}
/* Brightness Code Setting Max on Bank A */
/* Full-Scale Current (20.2mA) of BANK A */
/* 20.2mA : 0x13 , 23.4mA : 0x17 */
lm3630_write_reg(main_lm3630_dev->client, 0x05, 0x16);
/* Enable LED A to Exponential, LED2 is connected to BANK_A */
lm3630_write_reg(main_lm3630_dev->client, 0x00, 0x15);
}
mdelay(1);
lm3630_set_main_current_level(main_lm3630_dev->client, level);
backlight_status = BL_ON;
return;
}
static void lm3630_change_mode(int mode)
{
if (mode == 0)
lm3630_write_reg(0x01,0x08);// 0x08 disable cabc
else if(mode == 1)
lm3630_write_reg(0x01,0x09);// 0x09 enable cabc
else
printk("lm3630 mode wrong\n");
}
static void lm3630_set_main_current_level(struct i2c_client *client, int level)
{
struct lm3630_device *dev = i2c_get_clientdata(client);
int min_brightness = dev->min_brightness;
int max_brightness = dev->max_brightness;
if (level == -BOOT_BRIGHTNESS)
level = dev->default_brightness;
cur_main_lcd_level = level;
dev->bl_dev->props.brightness = cur_main_lcd_level;
store_level_used = 0;
mutex_lock(&dev->bl_mutex);
#if defined(CONFIG_MACH_LGE) && !defined(CONFIG_MACH_MSM8974_VU3_KR) && !defined(CONFIG_MACH_MSM8974_Z_KR) && !defined(CONFIG_MACH_MSM8974_Z_US) && !defined(CONFIG_OLED_SUPPORT)
if (level < PWM_THRESHOLD)
bl_set_pwm_mode(PWM_OFF);
else
bl_set_pwm_mode(PWM_ON);
#endif
if (level != 0) {
if (level > 0 && level <= min_brightness)
level = min_brightness;
else if (level > max_brightness)
level = max_brightness;
if (dev->blmap) {
if (level < dev->blmap_size) {
cal_value = dev->blmap[level];
lm3630_write_reg(client, 0x03,
cal_value);
} else
dev_warn(&client->dev, "invalid index %d:%d\n",
dev->blmap_size,
level);
} else {
cal_value = level;
lm3630_write_reg(client, 0x03, cal_value);
}
} else
lm3630_write_reg(client, 0x00, 0x00);
mutex_unlock(&dev->bl_mutex);
#ifdef CONFIG_MACH_MSM8974_VU3_KR
pr_info("[LCD][DEBUG] %s : backlight level=%d, cal_value=%d \n",
__func__, level, cal_value);
#else
pr_debug("[LCD][DEBUG] %s : backlight level=%d, cal_value=%d \n",
__func__, level, cal_value);
#endif
}
static void lm3630_hw_init(struct lm3630_device *dev)
{
lm3630_hw_reset(dev);
lm3630_write_reg(dev->client, BOOST_CTL_REG, dev->boost_ctrl_reg);
lm3630_write_reg(dev->client, CONFIG_REG, dev->cfg_reg);
if (!backlight_dimmer)
lm3630_set_max_current_reg(dev, dev->max_current);
lm3630_write_reg(dev->client, CONTROL_REG, dev->ctrl_reg);
mdelay(1);
}
static void lm3630_set_max_current_reg(struct lm3630_device *dev, int val)
{
if (dev->bank_sel == LED_BANK_A) {
lm3630_write_reg(dev->client, CURRENT_A_REG, val);
} else if (dev->bank_sel == LED_BANK_B) {
lm3630_write_reg(dev->client, CURRENT_B_REG, val);
} else {
lm3630_write_reg(dev->client, CURRENT_A_REG, val);
lm3630_write_reg(dev->client, CURRENT_B_REG, val);
}
}
static void lm3630_set_brightness_reg(struct lm3630_device *dev, int level)
{
if (dev->bank_sel == LED_BANK_A) {
lm3630_write_reg(dev->client, BRIGHTNESS_A_REG, level);
} else if (dev->bank_sel == LED_BANK_B) {
lm3630_write_reg(dev->client, BRIGHTNESS_B_REG, level);
} else {
lm3630_write_reg(dev->client, BRIGHTNESS_A_REG, level);
lm3630_write_reg(dev->client, BRIGHTNESS_B_REG, level);
}
}
static void lm3630_set_main_current_level(struct i2c_client *client, int level)
{
struct lm3630_device *dev = i2c_get_clientdata(client);
int min_brightness = dev->min_brightness;
int max_brightness = dev->max_brightness;
if (level == -BOOT_BRIGHTNESS)
level = dev->default_brightness;
cur_main_lcd_level = level;
dev->bl_dev->props.brightness = cur_main_lcd_level;
store_level_used = 0;
mutex_lock(&dev->bl_mutex);
if (level != 0) {
if (level > 0 && level <= min_brightness)
level = min_brightness;
else if (level > max_brightness)
level = max_brightness;
if (dev->blmap) {
if (level < dev->blmap_size) {
cal_value = dev->blmap[level];
#ifdef CONFIG_MACH_MSM8974_VU3_KR
if(lge_get_boot_mode() == LGE_BOOT_MODE_FACTORY2||lge_get_boot_mode() == LGE_BOOT_MODE_PIFBOOT||lge_get_boot_mode() == LGE_BOOT_MODE_PIFBOOT2)
cal_value = dev->blmap[130];
#endif
lm3630_write_reg(client, 0x03,
cal_value);
} else
dev_warn(&client->dev, "invalid index %d:%d\n",
dev->blmap_size,
level);
} else {
cal_value = level;
lm3630_write_reg(client, 0x03, cal_value);
}
} else
lm3630_write_reg(client, 0x00, 0x00);
mutex_unlock(&dev->bl_mutex);
#ifdef CONFIG_MACH_MSM8974_VU3_KR
pr_info("[LCD][DEBUG] %s : backlight level=%d, cal_value=%d \n",
__func__, level, cal_value);
#else
pr_debug("[LCD][DEBUG] %s : backlight level=%d, cal_value=%d \n",
__func__, level, cal_value);
#endif
}
static void lm3630_set_main_current_level(struct i2c_client *client, int level)
{
struct lm3630_device *dev = i2c_get_clientdata(client);
int min_brightness = dev->min_brightness;
int max_brightness = dev->max_brightness;
cur_main_lcd_level = level;
dev->bl_dev->props.brightness = cur_main_lcd_level;
store_level_used = 0;
mutex_lock(&dev->bl_mutex);
#if defined(CONFIG_B1_LGD_PANEL)
if(factory_boot)
level = min_brightness;
#endif
#if defined(CONFIG_G2_LGD_PANEL) || defined(CONFIG_B1_LGD_PANEL)
if (level < PWM_THRESHOLD)
bl_set_pwm_mode(PWM_OFF);
else
bl_set_pwm_mode(PWM_ON);
#endif
if (level != 0) {
if (level > 0 && level <= min_brightness)
level = min_brightness;
else if (level > max_brightness)
level = max_brightness;
if (dev->blmap) {
if (level < dev->blmap_size) {
cal_value = dev->blmap[level];
lm3630_write_reg(client, 0x03,
cal_value);
} else
dev_warn(&client->dev, "invalid index %d:%d\n",
dev->blmap_size,
level);
} else {
cal_value = level;
lm3630_write_reg(client, 0x03, cal_value);
}
} else
lm3630_write_reg(client, 0x00, 0x00);
mutex_unlock(&dev->bl_mutex);
pr_info("%s : backlight level=%d, cal_value=%d \n",
__func__, level, cal_value);
}
void lm3630_backlight_on(int level)
{
hw_rev_type hw_rev;
hw_rev = lge_get_board_revno();
if (backlight_status == BL_OFF) {
pr_info("%s with level %d\n", __func__, level);
lm3630_hw_reset();
/* OVP(24V),OCP(1.0A) , Boost Frequency(500khz) */
#if !defined(CONFIG_MACH_MSM8926_B1L_VZW) && !defined(CONFIG_MACH_MSM8926_B1L_ATT)
lm3630_write_reg(main_lm3630_dev->client, 0x02, 0x30);
#else
lm3630_write_reg(main_lm3630_dev->client, 0x02, 0x50); /*B1L Rev0,A... OVP = 32V */
#endif
if( lm3630_pwm_enable ) {
/* eble Feedback , disable PWM for BANK A,B */
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x09);
}
else {
/* eble Feedback , disable PWM for BANK A,B */
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x08);
}
/* Brightness Code Setting Max on Bank A */
/* Full-Scale Current (20.2mA) of BANK A */
/* 20.2mA : 0x13 , 23.4mA : 0x17 */
lm3630_write_reg(main_lm3630_dev->client, 0x05, 0x16);
/* Enable LED A to Exponential, LED2 is connected to BANK_A */
#if !defined(CONFIG_MACH_MSM8926_B1L_VZW) && !defined(CONFIG_MACH_MSM8926_B1L_ATT)
lm3630_write_reg(main_lm3630_dev->client, 0x00, 0x15);
#else
if(HW_REV_0 == hw_rev)
{
pr_info("%s HW_REV_0\n", __func__);
lm3630_write_reg(main_lm3630_dev->client, 0x00, 0x14 /*0x14*/); /* 0x15 : enable BANK A | enable LED A */
}
else
{
pr_info("%s HW_REV_A\n", __func__);
lm3630_write_reg(main_lm3630_dev->client, 0x00, 0x15 /*0x14*/); /* 0x15 : enable BANK A | enable LED A | LED2 on BANK A */
}
#endif
}
mdelay(1);
lm3630_set_main_current_level(main_lm3630_dev->client, level);
backlight_status = BL_ON;
return;
}
static int set_reg(void *data, u64 val)
{
u32 addr = (u32) data;
int ret;
struct i2c_client *client = lm3630_dev->client;
ret = lm3630_write_reg(client, addr, (u8) val);
return ret;
}
static void lm3630_set_main_current_level(struct i2c_client *client, int level)
{
struct lm3630_device *dev = i2c_get_clientdata(client);
int min_brightness = dev->min_brightness;
int max_brightness = dev->max_brightness;
if (level == -BOOT_BRIGHTNESS)
level = dev->default_brightness;
cur_main_lcd_level = level;
dev->bl_dev->props.brightness = cur_main_lcd_level;
store_level_used = 0;
mutex_lock(&dev->bl_mutex);
if (level != 0) {
if (level > 0 && level <= min_brightness)
level = min_brightness;
else if (level > max_brightness)
level = max_brightness;
if (dev->blmap) {
if (level < dev->blmap_size) {
cal_value = dev->blmap[level];
lm3630_write_reg(client, 0x03,
cal_value);
} else
dev_warn(&client->dev, "invalid index %d:%d\n",
dev->blmap_size,
level);
} else {
cal_value = level;
lm3630_write_reg(client, 0x03, cal_value);
}
} else
lm3630_write_reg(client, 0x00, 0x00);
mutex_unlock(&dev->bl_mutex);
pr_info("[LCD][DEBUG] %s : backlight level=%d, cal_value=%d \n",
__func__, level, cal_value);
}
static void lm3630_set_main_current_level_no_mapping(
struct i2c_client *client, int level)
{
struct lm3630_device *dev;
dev = (struct lm3630_device *)i2c_get_clientdata(client);
if (level > 255)
level = 255;
else if (level < 0)
level = 0;
cur_main_lcd_level = level;
dev->bl_dev->props.brightness = cur_main_lcd_level;
store_level_used = 1;
mutex_lock(&main_lm3630_dev->bl_mutex);
if (level != 0) {
lm3630_write_reg(client, 0x03, level);
} else {
lm3630_write_reg(client, 0x00, 0x00);
}
mutex_unlock(&main_lm3630_dev->bl_mutex);
}
static int __devinit lm3630_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int err = 0;
static const char *backlight_ic_name;
i2c_client = client;
backlight_ic_name = of_get_property(client->dev.of_node, "label", NULL);
if (!backlight_ic_name) {
printk("Unable to read device name\n");
return -ENODEV;
}
printk("backlight ic name = %s\n",backlight_ic_name);
mdelay(10);
err = lm3630_write_reg(0x00,0x15);
if (err<0)
{
printk( " fail to write tpd cfg %d\n", err );
return err;
}
if(strstr(saved_command_line, "jdi") != NULL)
{
lcd_vendor = 1;
}else if(strstr(saved_command_line, "truly") != NULL)
{
lcd_vendor = 2;
}else if(strstr(saved_command_line, "tianma") != NULL)
{
lcd_vendor = 3;
}
else
lcd_vendor = 0;
if (led_classdev_register(&client->dev, &backlight_cabc))
pr_err("led_classdev_register failed\n");
printk("lm3630 probe done\n");
return 0;
}
static void lm3630_set_main_current_level(struct i2c_client *client, int level)
{
struct lm3630_device *dev = i2c_get_clientdata(client);
mutex_lock(&backlight_mtx);
dev->bl_dev->props.brightness = level;
if (backlight_dimmer) {
if (level == 0) {
lm3630_write_reg(client, CONTROL_REG, BL_OFF);
} else if (level == 1) {
lm3630_set_max_current_reg(dev, 0);
lm3630_set_brightness_reg(dev, 1);
} else {
if (level < dev->min_brightness) {
level = dev->min_brightness;
} else if (level > dev->max_brightness) {
level = dev->max_brightness;
}
lm3630_set_max_current_reg(dev, dev->max_current);
if (dev->blmap) {
if (level < dev->blmap_size) {
lm3630_set_brightness_reg(dev,
dev->blmap[level]);
} else {
pr_err("%s: invalid index %d:%d\n",
__func__,
dev->blmap_size,
level);
}
} else {
lm3630_set_brightness_reg(dev, level);
}
}
} else {
if (level != 0) {
if (level < dev->min_brightness)
level = dev->min_brightness;
else if (level > dev->max_brightness)
level = dev->max_brightness;
if (dev->blmap) {
if (level < dev->blmap_size)
lm3630_set_brightness_reg(dev, dev->blmap[level]);
else
pr_err("%s: invalid index %d:%d\n", __func__,
dev->blmap_size, level);
} else {
lm3630_set_brightness_reg(dev, level);
}
} else {
lm3630_write_reg(client, CONTROL_REG, BL_OFF);
}
}
mutex_unlock(&backlight_mtx);
pr_debug("%s: level=%d\n", __func__, level);
}
void set_backlight_lm3630(unsigned int level)
{
u8 para;
if(lcd_vendor == 1)
para = (u8) ((level*17)/20);
else if(lcd_vendor == 2)
para = (u8) ((level*3)/4);
else if(lcd_vendor == 3)
para = (u8) ((level*9)/10);
else
{
printk("%s:lcd detect error\n",__func__);
return;
}
printk("mdss:backlight level = %d\n",para);
if(para == 0)
{
printk("mdss:backlight level = 0\n");
if(sleep == 1)
return ;
lm3630_write_reg(0x03,para);
sleep = 1;
}
else
{
if(sleep == 1)
{
printk("init the lm3630 register\n");
lm3630_write_reg(0x00,0x11);
if(level > 60)
{
lm3630_write_reg(0x01,0x09);// 0x09 for cabc
cabc_change = 1;
}
else
{
lm3630_write_reg(0x01,0x08);// 0x09 for cabc
cabc_change = 0;
}
lm3630_write_reg(0x02,0x33);//set freq to 1M for 4.7 u
lm3630_write_reg(0x05,0x14);
lm3630_write_reg(0x03,para);
lm3630_write_reg(0x00,0x15);
sleep = 0;
}
else
{
if(level < 60)
{
if(1 == cabc_change)
{
lm3630_write_reg(0x01,0x08);// 0x09 for cabc
cabc_change = 0;
}
}else {
if(0 == cabc_change)
{
cabc_change = 1;
lm3630_write_reg(0x01,0x09);// 0x09 for cabc
}
}
lm3630_write_reg(0x03,para);
}
}
}
void lm3630_backlight_on(int level)
{
hw_rev_type hw_rev;
hw_rev = lge_get_board_revno();
if (backlight_status == BL_OFF) {
pr_info("%s with level %d\n", __func__, level);
lm3630_hw_reset();
#if defined(CONFIG_MACH_MSM8226_E7WIFI) || defined(CONFIG_MACH_MSM8226_E8WIFI) || defined (CONFIG_MACH_MSM8926_E8LTE_KR) || defined(CONFIG_MACH_MSM8926_E8LTE) || defined ( CONFIG_MACH_MSM8926_E7LTE_ATT_US) || defined(CONFIG_MACH_MSM8926_E7LTE_VZW_US) || defined (CONFIG_MACH_MSM8926_E7LTE_USC_US)
lm3630_write_reg(main_lm3630_dev->client, 0x02, 0x50); //OVP 32V, OCP 1.0A Boost Freq. 500Khz
if( lm3630_pwm_enable ) {
/* Enble Feedback , disable PWM for BANK A,B */
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x09);
}
else {
/* Enble Feedback , disable PWM for BANK A,B */
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x08);
}
lm3630_write_reg(main_lm3630_dev->client, 0x05, 0x13); //Full Scale Current 20.2mA, Brightness Code Setting Max on Bank A
lm3630_write_reg(main_lm3630_dev->client, 0x00, 0x15); //Enable Bank A | LED A | LED1,2 on Bank A
#else
/* OVP(24V),OCP(1.0A) , Boost Frequency(500khz) */
#if !defined(CONFIG_MACH_MSM8926_X10_VZW) && !defined(CONFIG_MACH_MSM8926_B2L_ATT) && !defined(CONFIG_MACH_MSM8926_B2LN_KR) || defined(CONFIG_MACH_MSM8926_JAGNM_ATT) || defined(CONFIG_MACH_MSM8926_JAGN_KR) || defined(CONFIG_MACH_MSM8926_JAGNM_GLOBAL_COM) || defined(CONFIG_MACH_MSM8926_JAGNM_KDDI_JP) || defined(CONFIG_MACH_MSM8926_AKA_KR) || defined(CONFIG_MACH_MSM8926_F60S_JP)
lm3630_write_reg(main_lm3630_dev->client, 0x02, 0x30);
#else
lm3630_write_reg(main_lm3630_dev->client, 0x02, 0x50); /*B1L Rev0,A... OVP = 32V */
#endif
if( lm3630_pwm_enable ) {
/* eble Feedback , disable PWM for BANK A,B */
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x09);
}
else {
/* eble Feedback , disable PWM for BANK A,B */
lm3630_write_reg(main_lm3630_dev->client, 0x01, 0x08);
}
/* Brightness Code Setting Max on Bank A */
/* Full-Scale Current (20.2mA) of BANK A */
/* 20.2mA : 0x13 , 23.4mA : 0x17 */
lm3630_write_reg(main_lm3630_dev->client, 0x05, 0x16);
/* Enable LED A to Exponential, LED2 is connected to BANK_A */
#if !defined(CONFIG_MACH_MSM8926_X10_VZW) && !defined(CONFIG_MACH_MSM8926_B2L_ATT) && !defined(CONFIG_MACH_MSM8926_B2LN_KR) || defined(CONFIG_MACH_MSM8926_JAGNM_ATT) || defined(CONFIG_MACH_MSM8926_JAGN_KR) || defined(CONFIG_MACH_MSM8926_JAGNM_GLOBAL_COM) || defined(CONFIG_MACH_MSM8926_JAGNM_KDDI_JP) || defined(CONFIG_MACH_MSM8926_AKA_KR) || defined(CONFIG_MACH_MSM8926_F60S_JP)
lm3630_write_reg(main_lm3630_dev->client, 0x00, 0x15);
#else
if(HW_REV_0 == hw_rev)
{
pr_info("%s HW_REV_0\n", __func__);
lm3630_write_reg(main_lm3630_dev->client, 0x00, 0x14 /*0x14*/); /* 0x15 : enable BANK A | enable LED A */
}
else
{
pr_info("%s HW_REV_A\n", __func__);
lm3630_write_reg(main_lm3630_dev->client, 0x00, 0x15 /*0x14*/); /* 0x15 : enable BANK A | enable LED A | LED2 on BANK A */
}
#endif
#endif//defined( CONFIG_MACH_MSM8226_E7WIFI ) || defined ( CONFIG_MACH_MSM8926_E7LTE)
}
mdelay(1);
lm3630_set_main_current_level(main_lm3630_dev->client, level);
backlight_status = BL_ON;
return;
}
