void musb_platform_disable(struct musb *musb)
{
printk("%s, %d, %d\n", __func__, mtk_usb_power, musb->power);
if(musb->power == false)
return;
if (platform_init_first) {
DBG(0,"usb init first\n\r");
musb->is_host = false;
platform_init_first = false;
}
if (mtk_usb_power) {
if (down_interruptible(&power_clock_lock))
xlog_printk(ANDROID_LOG_ERROR, "USB20", "%s: busy, Couldn't get power_clock_lock\n" \
, __func__);
#ifndef CONFIG_MT6575T_FPGA
usb_phy_savecurrent();
hwPowerDown(MT65XX_POWER_LDO_VUSB,"VUSB_LDO");
disable_pll(MT65XX_UPLL,"USB_PLL");
printk("%s, disable VUSB and UPLL before disconnect\n", __func__);
#endif
mtk_usb_power = false;
up(&power_clock_lock);
}
musb->power = false;
}
static int mtk_xhci_driver_load(void)
{
int ret = 0;
/* recover clock/power setting and deassert reset bit of mac */
usb_phy_recover(0);
ret = mtk_xhci_hcd_init();
if (ret || !mtk_xhci) {
ret = -ENXIO;
goto _err;
}
/* for performance, fixed the interrupt moderation from 0xA0(default) to 0x30 */
mtk_xhci_imod_set(0x30);
#ifdef CONFIG_USBIF_COMPLIANCE
mtk_enable_pmic_otg_mode();
enableXhciAllPortPower(mtk_xhci);
#else
#ifdef CONFIG_MTK_OTG_PMIC_BOOST_5V
mtk_enable_pmic_otg_mode();
#else
enableXhciAllPortPower(mtk_xhci);
#endif
#endif
return 0;
_err:
mtk_xhci_mtk_log("ret(%d), mtk_xhci(0x%p)\n", ret, mtk_xhci);
usb_phy_savecurrent(1);
return ret;
}
void musb_platform_disable(struct musb *musb)
{
printk("%s, %d, %d\n", __func__, mtk_usb_power, musb->power);
if(musb->power == false)
return;
if(platform_init_first){
DBG(0,"usb init first\n\r");
musb->is_host = false;
platform_init_first = false;
}
if (mtk_usb_power) {
if (down_interruptible(&power_clock_lock))
xlog_printk(ANDROID_LOG_ERROR, "USB20", "%s: busy, Couldn't get power_clock_lock\n" \
, __func__);
//Modification for ALPS00408742
mtk_usb_power = false;
smp_mb();
//printk("%s, line %d: %d, %d, before savecurrent\n", __func__, __LINE__, mtk_usb_power, musb->power);
//Modification for ALPS00408742
usb_phy_savecurrent();
#ifndef CONFIG_MT6589_FPGA
disable_pll(UNIVPLL,"USB_PLL");
//printk("%s, disable VUSB and UPLL before disconnect\n", __func__);
#endif
mtk_usb_power = false;
//Modification for ALPS00408742
smp_mb();
//Modification for ALPS00408742
up(&power_clock_lock);
}
musb->power = false;
}
static void mtk_xhci_driver_unload(void)
{
mtk_xhci_hcd_cleanup();
/* close clock/power setting and assert reset bit of mac */
usb_phy_savecurrent(1);
}