s32 disp_lcd_post_disable(struct disp_lcd* lcd)
{
struct disp_lcd_private_data *lcdp = disp_lcd_get_priv(lcd);
u32 data[2];
if((NULL == lcd) || (NULL == lcdp)) {
DE_WRN("NULL hdl!\n");
return DIS_FAIL;
}
lcd_clk_disable(lcd);
#if defined(__LINUX_PLAT__)
{
unsigned long flags;
spin_lock_irqsave(&lcd_data_lock, flags);
#endif
lcdp->disabling = 0;
lcdp->enabled = 0;
#if defined(__LINUX_PLAT__)
spin_unlock_irqrestore(&lcd_data_lock, flags);
}
#endif
/* notifier */
data[0] = 0;/* enable */
data[1] = (u32)DISP_OUTPUT_TYPE_LCD;
disp_notifier_call_chain(DISP_EVENT_OUTPUT_ENABLE, lcd->channel_id, (void*)data);
return 0;
}
void MT6302_spiPowerCtrl(kal_bool on)
{
kal_uint32 i;
if(0 == MT6302_getSPIInterface())
{
if(31 < MT6302_LCD_pdnHandle)
ASSERT(0);
if (KAL_FALSE == on)
lcd_clk_disable(MT6302_LCD_pdnHandle);
else if(KAL_TRUE == on){
lcd_clk_enable(MT6302_LCD_pdnHandle);
if(DRVPDN_CON1_LCD & DRV_Reg(DRVPDN_CON1))
ASSERT(0);
i = 1000;
while(i)
i--;
}
else
ASSERT(0);
}
else if(1 == MT6302_getSPIInterface())
{
/*we don't know should we do power control before want to write SPI in GPIO implementation*/
}
else{
IMPLEMENTING_ASSERT;
}
drv_trace8(TRACE_GROUP_4, SIM_GEMINI_GEN1, FILE_MT6302_SPI, __LINE__,
on, DRV_Reg(DRVPDN_CON1), MT6302_getSPIInterface(), MT6302_LCD_pdnHandle,
drv_get_current_time(), 0
);
}
s32 disp_lcd_init(struct disp_lcd* lcd)
{
struct disp_lcd_private_data *lcdp = disp_lcd_get_priv(lcd);
struct disp_notifier_block *nb;
if((NULL == lcd) || (NULL == lcdp)) {
DE_WRN("NULL hdl!\n");
return DIS_FAIL;
}
/* register one notifier for all lcd */
if(0 == lcd->channel_id) {
nb = (struct disp_notifier_block *)OSAL_malloc(sizeof(struct disp_notifier_block));
if(nb) {
nb->notifier_call = &disp_lcd_notifier_callback;
disp_notifier_register(nb);
} else
DE_WRN("malloc memory fail!\n");
}
lcd_get_sys_config(lcd->channel_id, &lcdp->lcd_cfg);
lcd_parse_panel_para(lcd->channel_id, &lcdp->panel_info);
if(disp_lcd_is_used(lcd)) {
if(lcdp->panel_info.lcd_pwm_used) {
lcdp->pwm_info.channel = lcdp->panel_info.lcd_pwm_ch;
lcdp->pwm_info.polarity = lcdp->panel_info.lcd_pwm_pol;
// lcdp->pwm_info.dev = OSAL_Pwm_request(lcdp->panel_info.lcd_pwm_ch);
}
disp_lcd_backlight_disable(lcd);
}
lcd_clk_init(lcd);
lcd_clk_enable(lcd);
disp_al_lcd_init(lcd->channel_id);
lcd_clk_disable(lcd);
if(disp_al_query_lcd_mod(lcd->channel_id)) {
OSAL_RegISR(lcdp->irq_no,0,disp_lcd_event_proc,(void*)lcd->channel_id,0,0);
#if !defined(__LINUX_PLAT__)
OSAL_InterruptEnable(lcdp->irq_no);
#endif
}
if(LCD_IF_DSI == lcdp->panel_info.lcd_if) {
OSAL_RegISR(lcdp->irq_no_dsi,0,disp_lcd_event_proc,(void*)lcd->channel_id,0,0);
#if !defined(__LINUX_PLAT__)
OSAL_InterruptEnable(lcdp->irq_no_dsi);
#endif
} else if(LCD_IF_EDP == lcdp->panel_info.lcd_if) {
/* todo? register edp vint proc */
}
__u64 backlight_bright;
__u64 period_ns, duty_ns;
if(lcdp->panel_info.lcd_pwm_freq != 0) {
period_ns = 1000*1000*1000 / lcdp->panel_info.lcd_pwm_freq;
} else {
DE_WRN("lcd%d.lcd_pwm_freq is ZERO\n", lcd->channel_id);
period_ns = 1000*1000*1000 / 1000; //default 1khz
}
backlight_bright = lcdp->lcd_cfg.backlight_bright;
duty_ns = (backlight_bright * period_ns) / 256;
// DE_DBG("[PWM]backlight_bright=%d,period_ns=%d,duty_ns=%d\n",(u32)backlight_bright,(u32)period_ns, (u32)duty_ns);
sunxi_pwm_set_polarity(lcdp->pwm_info.channel, lcdp->pwm_info.polarity);
sunxi_pwm_config(lcdp->pwm_info.channel, duty_ns, period_ns);
lcdp->pwm_info.duty_ns = duty_ns;
lcdp->pwm_info.period_ns = period_ns;
return 0;
}