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pcd disconnect with phy suspend

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This commit is contained in:
yangkai
2012-07-31 16:58:23 +08:00
parent 8aa69d7611
commit 740949e306
1 changed files with 10 additions and 4 deletions
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14
drivers/usb/dwc_otg/dwc_otg_pcd.c
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@@ -1047,6 +1047,7 @@ static int dwc_otg_pcd_pullup(struct usb_gadget *_gadget, int is_on)
dctl.d32 = dwc_read_reg32( &core_if->dev_if->dev_global_regs->dctl );
dctl.b.sftdiscon = 1;
dwc_write_reg32( &core_if->dev_if->dev_global_regs->dctl, dctl.d32 );
pcd->conn_status = 3;
}
return 0;
}
@@ -1596,6 +1597,7 @@ int dwc_pcd_reset(dwc_otg_pcd_t *pcd)
cru_set_soft_reset(SOFT_RST_USB_OTG_2_0_AHB_BUS, false);
cru_set_soft_reset(SOFT_RST_USB_OTG_2_0_PHY, false);
cru_set_soft_reset(SOFT_RST_USB_OTG_2_0_CONTROLLER, false);
mdelay(1);
#endif
//rockchip_scu_reset_unit(12);
dwc_otg_pcd_reinit( pcd );
@@ -1819,12 +1821,12 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long pdata )
/* if usb not connect before ,then start connect */
if( _pcd->vbus_status == 0 ) {
DWC_PRINT("********vbus detect*********************************************\n");
dwc_otg_msc_lock(_pcd);
_pcd->vbus_status = 1;
if(_pcd->conn_en)
goto connect;
else
dwc_otg20phy_suspend( 0 );
// not connect, suspend phy
dwc_otg20phy_suspend(0);
}
else if((_pcd->conn_en)&&(_pcd->conn_status>=0)&&(_pcd->conn_status <3)){
DWC_PRINT("********soft reconnect******************************************\n");
@@ -1836,11 +1838,13 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long pdata )
_pcd->conn_status++;
if((dwc_read_reg32((uint32_t*)((uint8_t *)_pcd->otg_dev->base + DWC_OTG_HOST_PORT_REGS_OFFSET))&0xc00) == 0xc00)
_pcd->vbus_status = 2;
// not connect, suspend phy
dwc_otg20phy_suspend(0);
}
}else {
_pcd->vbus_status = 0;
if(_pcd->conn_status)
{
if(_pcd->conn_status){
_pcd->conn_status = 0;
dwc_otg_msc_unlock(_pcd);
}
@@ -1854,6 +1858,8 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long pdata )
return;
connect:
if(_pcd->conn_status==0)
dwc_otg_msc_lock(_pcd);
if( _pcd->phy_suspend == 1 )
dwc_otg20phy_suspend( 1 );
schedule_delayed_work( &_pcd->reconnect , 8 ); /* delay 1 jiffies */