/****************************************************************************
* internal functions
***************************************************************************/
static int brightness_set_pwm(int pwm_num, enum led_brightness level,struct PWM_config *config_data)
{
struct pwm_spec_config pwm_setting;
pwm_setting.pwm_no = pwm_num;
pwm_setting.mode = PWM_MODE_FIFO; //new mode fifo and periodical mode
// pwm_setting.clk_div = CLK_DIV1;
// pwm_setting.clk_src = PWM_CLK_NEW_MODE_BLOCK_DIV_BY_1625;
if(config_data->div)
{
pwm_setting.clk_div = config_data->div;
backlight_PWM_div = config_data->div;
}
else
pwm_setting.clk_div = CLK_DIV1;
if(config_data->clock_source)
pwm_setting.clk_src = PWM_CLK_NEW_MODE_BLOCK;
else
pwm_setting.clk_src = PWM_CLK_NEW_MODE_BLOCK_DIV_BY_1625;
if(config_data->High_duration && config_data->low_duration)
{
pwm_setting.PWM_MODE_FIFO_REGS.HDURATION = config_data->High_duration;
pwm_setting.PWM_MODE_FIFO_REGS.LDURATION = config_data->low_duration;
}
else
{
pwm_setting.PWM_MODE_FIFO_REGS.HDURATION = 4;
pwm_setting.PWM_MODE_FIFO_REGS.LDURATION = 4;
}
pwm_setting.PWM_MODE_FIFO_REGS.IDLE_VALUE = 0;
pwm_setting.PWM_MODE_FIFO_REGS.GUARD_VALUE = 0;
pwm_setting.PWM_MODE_FIFO_REGS.STOP_BITPOS_VALUE = 63;
// pwm_setting.PWM_MODE_FIFO_REGS.HDURATION = 4;
// pwm_setting.PWM_MODE_FIFO_REGS.LDURATION = 4;
pwm_setting.PWM_MODE_FIFO_REGS.GDURATION = 0;
pwm_setting.PWM_MODE_FIFO_REGS.WAVE_NUM = 0;
printf("[LEDS]uboot: backlight_set_pwm:duty is %d\n", level);
if(level > 0)
{
pwm_setting.PWM_MODE_FIFO_REGS.SEND_DATA0 = ((1 << 30) - 1);
pwm_setting.PWM_MODE_FIFO_REGS.SEND_DATA1 = 0 ;
pwm_set_spec_config(&pwm_setting);
}
else
{
mt_set_pwm_disable(pwm_setting.pwm_no);
mt_power_off (pwm_setting.pwm_no);
}
return 0;
}
ssize_t gpio_FL_Disable(void) {
mt_set_pwm_disable(fl_pwm_num);
mt_pwm_power_off(fl_pwm_num);
mt_set_gpio_mode(48, GPIO_MODE_00);
mt_set_gpio_dir(48, GPIO_DIR_OUT);
mt_set_gpio_out(48, GPIO_OUT_ZERO);
return 0;
}
static int brightness_set_pwm(int pwm_num, enum led_brightness level,struct PWM_config *config_data)
{
struct pwm_spec_config pwm_setting;
pwm_setting.pwm_no = pwm_num;
pwm_setting.mode = PWM_MODE_FIFO; //new mode fifo and periodical mode
// pwm_setting.clk_div = CLK_DIV1;
// pwm_setting.clk_src = PWM_CLK_NEW_MODE_BLOCK_DIV_BY_1625;
if(config_data->div)
{
pwm_setting.clk_div = config_data->div;
backlight_PWM_div = config_data->div;
}
else
pwm_setting.clk_div = CLK_DIV1;
if(config_data->clock_source)
pwm_setting.clk_src = PWM_CLK_NEW_MODE_BLOCK;
else
pwm_setting.clk_src = PWM_CLK_NEW_MODE_BLOCK_DIV_BY_1625;
pwm_setting.clk_src = PWM_CLK_NEW_MODE_BLOCK;
if(config_data->High_duration && config_data->low_duration)
{
pwm_setting.PWM_MODE_FIFO_REGS.HDURATION = config_data->High_duration;
pwm_setting.PWM_MODE_FIFO_REGS.LDURATION = config_data->low_duration;
}
else
{
pwm_setting.PWM_MODE_FIFO_REGS.HDURATION = 4;
pwm_setting.PWM_MODE_FIFO_REGS.LDURATION = 4;
}
pwm_setting.PWM_MODE_FIFO_REGS.IDLE_VALUE = 0;
pwm_setting.PWM_MODE_FIFO_REGS.GUARD_VALUE = 0;
pwm_setting.PWM_MODE_FIFO_REGS.STOP_BITPOS_VALUE = 63;
// pwm_setting.PWM_MODE_FIFO_REGS.HDURATION = 4;
// pwm_setting.PWM_MODE_FIFO_REGS.LDURATION = 4;
pwm_setting.PWM_MODE_FIFO_REGS.GDURATION = 0;
pwm_setting.PWM_MODE_FIFO_REGS.WAVE_NUM = 0;
printf("[LEDS]uboot: backlight_set_pwm:duty is %d\n", level);
if(level > 0)
{
pwm_setting.PWM_MODE_FIFO_REGS.SEND_DATA0 = ((1 << 30) - 1);
pwm_setting.PWM_MODE_FIFO_REGS.SEND_DATA1 = 0 ;
pwm_set_spec_config(&pwm_setting);
}
else
{
mt_set_pwm_disable(pwm_setting.pwm_no);
mt_power_off (pwm_setting.pwm_no);
}
//hongmei temp change for camry&megan
#if defined(JRD_CAMRY_BORAD)
mt_set_gpio_mode(GPIO68,1); //baoqiang add:GPIO_PWM_3_PIN-GPIO68,GPIO_PWM_3_PIN_M_PWM-1
//printf("[qbq]uboot:backlight set gpio pwm mode\n");
#endif
return 0;
}
