DSI_STATUS DSI_PowerOff(void)
{
if (s_isDsiPowerOn)
{
BOOL ret = TRUE;
_WaitForEngineNotBusy();
_BackupDSIRegisters();
#if 1 // FIXME
//ret = hwDisableClock(MT65XX_PDN_MM_DSI, "DSI");
ret = disable_clock(MT65XX_PDN_MM_DSI, "DSI");
ASSERT(!ret);
#endif
s_isDsiPowerOn = FALSE;
}
return DSI_STATUS_OK;
}
DSI_STATUS DSI_PowerOff(void)
{
if (s_isDsiPowerOn)
{
BOOL ret = TRUE;
//_WaitForEngineNotBusy();
_BackupDSIRegisters();
#if 0 // FIXME
ret = hwDisableClock(MT65XX_PDN_MM_DSI, "DSI");
ASSERT(ret);
#else
MASKREG32(0xC2080018, 0x00000020, 0x00000020);
printf("[DISP] - uboot - DSI_PowerOff. 0x%8x,0x%8x,0x%8x\n", INREG32(0xC2080000), INREG32(0xC2080004), INREG32(0xC2080008));
#endif
s_isDsiPowerOn = FALSE;
}
return DSI_STATUS_OK;
}
DSI_STATUS DSI_Init(BOOL isDsiPoweredOn)
{
DSI_STATUS ret = DSI_STATUS_OK;
memset(&_dsiContext, 0, sizeof(_dsiContext));
if (isDsiPoweredOn) {
_BackupDSIRegisters();
} else {
_ResetBackupedDSIRegisterValues();
}
ret = DSI_PowerOn();
OUTREG32(&DSI_REG->DSI_MEM_CONTI, (DSI_WMEM_CONTI<<16)|(DSI_RMEM_CONTI));
ASSERT(ret == DSI_STATUS_OK);
mipitx_con0=DSI_PHY_REG->MIPITX_CON0;
mipitx_con1=DSI_PHY_REG->MIPITX_CON1;
mipitx_con3=DSI_PHY_REG->MIPITX_CON3;
mipitx_con6=DSI_PHY_REG->MIPITX_CON6;
mipitx_con8=DSI_PHY_REG->MIPITX_CON8;
mipitx_con9=DSI_PHY_REG->MIPITX_CON9;
#if ENABLE_DSI_INTERRUPT
init_waitqueue_head(&_dsi_wait_queue);
init_waitqueue_head(&_dsi_dcs_read_wait_queue);
if (request_irq(MT6575_DSI_IRQ_ID,
_DSI_InterruptHandler, IRQF_TRIGGER_LOW, MTKFB_DRIVER, NULL) < 0)
{
DISP_LOG_PRINT(ANDROID_LOG_ERROR, "DSI", "fail to request DSI irq\n");
return DSI_STATUS_ERROR;
}
//mt65xx_irq_unmask(MT6575_DSI_IRQ_ID);
DSI_REG->DSI_INTEN.CMD_DONE=1;
DSI_REG->DSI_INTEN.RD_RDY=1;
#endif
return DSI_STATUS_OK;
}
