// protected by sem_early_suspend, sem_update_screen
static DISP_STATUS dsi_enable_power(BOOL enable)
{
disp_drv_dsi_init_context();
if(lcm_params->dsi.mode == CMD_MODE) {
if (enable) {
#if 0
// Switch bus to MIPI TX.
DSI_CHECK_RET(DSI_enable_MIPI_txio(TRUE));
DSI_PHY_clk_switch(TRUE, lcm_params);
DSI_PHY_clk_setting(lcm_params->dsi.pll_div1, lcm_params->dsi.pll_div2, lcm_params->dsi.LANE_NUM);
DSI_CHECK_RET(DSI_PowerOn());
DSI_WaitForNotBusy();
DSI_clk_HS_mode(0);
DSI_clk_ULP_mode(0);
DSI_lane0_ULP_mode(0);
DSI_Reset();
LCD_CHECK_RET(LCD_PowerOn());
#else
#ifndef MT65XX_NEW_DISP
DSI_PHY_clk_switch(TRUE, lcm_params);
DSI_CHECK_RET(DSI_PowerOn());
if(Need_Wait_ULPS())
Wait_ULPS_Mode();
DSI_PHY_clk_setting(lcm_params->dsi.pll_div1, lcm_params->dsi.pll_div2, lcm_params->dsi.LANE_NUM);
#else
// enable MMSYS CG
DSI_CHECK_RET(DSI_PowerOn());
// initialize clock setting
DSI_PHY_clk_setting(lcm_params);
// initialize dsi timing
DSI_PHY_TIMCONFIG(lcm_params);
// restore dsi register
DSI_CHECK_RET(DSI_RestoreRegisters());
// enable sleep-out mode
DSI_CHECK_RET(DSI_SleepOut());
// enter HS mode
DSI_PHY_clk_switch(TRUE, lcm_params);
// enter wakeup
DSI_CHECK_RET(DSI_Wakeup());
// enable clock
DSI_CHECK_RET(DSI_EnableClk());
// engine reset
DSI_Reset();
#endif
DSI_CHECK_RET(DSI_enable_MIPI_txio(TRUE));
#ifndef MT65XX_NEW_DISP
Wait_WakeUp();
#endif
#endif
}
else {
// backup dsi register
DSI_CHECK_RET(DSI_WaitForEngineNotBusy());
DSI_CHECK_RET(DSI_BackupRegisters());
// enter ULPS mode
DSI_clk_ULP_mode(1);
DSI_lane0_ULP_mode(1);
mdelay(1);
// disable engine clock
DSI_CHECK_RET(DSI_DisableClk());
// disable CG
DSI_CHECK_RET(DSI_PowerOff());
// disable mipi pll
DSI_PHY_clk_switch(FALSE, lcm_params);
// Switch bus to GPIO, then power level will be decided by GPIO setting.
DSI_CHECK_RET(DSI_enable_MIPI_txio(FALSE));
}
}
else {
if (enable) {
#if 0
// Switch bus to MIPI TX.
DSI_CHECK_RET(DSI_enable_MIPI_txio(TRUE));
DSI_PHY_clk_switch(TRUE, lcm_params);
DSI_PHY_clk_setting(lcm_params->dsi.pll_div1, lcm_params->dsi.pll_div2, lcm_params->dsi.LANE_NUM);
DSI_CHECK_RET(DSI_PowerOn());
DSI_clk_ULP_mode(0);
DSI_lane0_ULP_mode(0);
DSI_clk_HS_mode(0);
DSI_Reset();
DPI_CHECK_RET(DPI_PowerOn());
LCD_CHECK_RET(LCD_PowerOn());
#else
#ifndef MT65XX_NEW_DISP
DSI_PHY_clk_switch(TRUE, lcm_params);
DSI_CHECK_RET(DSI_PowerOn());
if(Need_Wait_ULPS())
Wait_ULPS_Mode();
DSI_PHY_clk_setting(lcm_params->dsi.pll_div1, lcm_params->dsi.pll_div2, lcm_params->dsi.LANE_NUM);
#else
needStartDSI = true;
// enable MMSYS CG
DSI_CHECK_RET(DSI_PowerOn());
// initialize clock setting
DSI_PHY_clk_setting(lcm_params);
// initialize dsi timing
DSI_PHY_TIMCONFIG(lcm_params);
// restore dsi register
DSI_CHECK_RET(DSI_RestoreRegisters());
// enable sleep-out mode
DSI_CHECK_RET(DSI_SleepOut());
// enter HS mode
DSI_PHY_clk_switch(TRUE, lcm_params);
// enter wakeup
DSI_CHECK_RET(DSI_Wakeup());
// enable clock
DSI_CHECK_RET(DSI_EnableClk());
// engine reset
DSI_Reset();
#endif
DSI_CHECK_RET(DSI_enable_MIPI_txio(TRUE));
#ifndef MT65XX_NEW_DISP
Wait_WakeUp();
#endif
#endif
}
else {
#ifndef BUILD_UBOOT
is_video_mode_running = false;
if(lcm_params->dsi.noncont_clock)
DSI_set_noncont_clk(false, lcm_params->dsi.noncont_clock_period);
if(lcm_params->dsi.lcm_int_te_monitor)
DSI_set_int_TE(false, lcm_params->dsi.lcm_int_te_period);
#endif
// backup dsi register
DSI_CHECK_RET(DSI_WaitForEngineNotBusy());
DSI_CHECK_RET(DSI_BackupRegisters());
// enter ULPS mode
DSI_clk_ULP_mode(1);
DSI_lane0_ULP_mode(1);
mdelay(1);
// disable engine clock
DSI_CHECK_RET(DSI_DisableClk());
// disable CG
DSI_CHECK_RET(DSI_PowerOff());
// disable mipi pll
DSI_PHY_clk_switch(FALSE, lcm_params);
// Switch bus to GPIO, then power level will be decided by GPIO setting.
DSI_CHECK_RET(DSI_enable_MIPI_txio(FALSE));
}
}
return DISP_STATUS_OK;
}
// protected by sem_early_suspend, sem_update_screen
static DISP_STATUS dsi_enable_power(BOOL enable)
{
disp_drv_dsi_init_context();
if(lcm_params->dsi.mode == CMD_MODE)
{
if (enable)
{
// enable MMSYS CG
DSI_CHECK_RET(DSI_PowerOn());
// initialize clock setting
DSI_PHY_clk_setting(lcm_params);
// restore dsi register
DSI_CHECK_RET(DSI_RestoreRegisters());
// enable sleep-out mode
DSI_CHECK_RET(DSI_SleepOut());
// enter HS mode
DSI_PHY_clk_switch(1);
// enter wakeup
DSI_CHECK_RET(DSI_Wakeup());
// enable clock
DSI_CHECK_RET(DSI_EnableClk());
DSI_CHECK_RET(DSI_enable_MIPI_txio(TRUE));
DSI_Reset();
}
else
{
// backup dsi register
DSI_CHECK_RET(DSI_WaitForNotBusy());
DSI_CHECK_RET(DSI_BackupRegisters());
// enter ULPS mode
DSI_clk_ULP_mode(1);
DSI_lane0_ULP_mode(1);
DSI_clk_HS_mode(0);
// disable clock
DSI_CHECK_RET(DSI_DisableClk());
DSI_CHECK_RET(DSI_PowerOff());
// disable mipi pll
DSI_PHY_clk_switch(0);
// Switch bus to GPIO, then power level will be decided by GPIO setting.
DSI_CHECK_RET(DSI_enable_MIPI_txio(FALSE));
}
}
else
{
if (enable)
{
// enable MMSYS CG
DSI_CHECK_RET(DSI_PowerOn());
// initialize clock setting
DSI_PHY_clk_setting(lcm_params);
// restore dsi register
DSI_CHECK_RET(DSI_RestoreRegisters());
// enable sleep-out mode
DSI_CHECK_RET(DSI_SleepOut());
// enter HS mode
DSI_PHY_clk_switch(1);
// enter wakeup
DSI_CHECK_RET(DSI_Wakeup());
DSI_clk_HS_mode(0);
// enable clock
DSI_CHECK_RET(DSI_EnableClk());
DSI_CHECK_RET(DSI_enable_MIPI_txio(TRUE));
DSI_Reset();
needStartDSI = true;
}
else
{
is_video_mode_running = false;
// backup dsi register
DSI_CHECK_RET(DSI_WaitForNotBusy());
DSI_CHECK_RET(DSI_BackupRegisters());
// enter ULPS mode
DSI_clk_ULP_mode(1);
DSI_lane0_ULP_mode(1);
// disable clock
DSI_CHECK_RET(DSI_DisableClk());
DSI_CHECK_RET(DSI_PowerOff());
// disable mipi pll
DSI_PHY_clk_switch(0);
// Switch bus to GPIO, then power level will be decided by GPIO setting.
DSI_CHECK_RET(DSI_enable_MIPI_txio(FALSE));
}
}
return DISP_STATUS_OK;
}
