static int omap2430_runtime_resume(struct device *dev)
{
struct omap2430_glue *glue = dev_get_drvdata(dev);
struct musb *musb = glue_to_musb(glue);
omap2430_low_level_init(musb);
otg_set_suspend(musb->xceiv, 0);
return 0;
}
static int omap2430_runtime_resume(struct device *dev)
{
struct omap2430_glue *glue = dev_get_drvdata(dev);
struct musb *musb = glue_to_musb(glue);
omap2430_low_level_init(musb);
musb_writel(musb->mregs, OTG_INTERFSEL,
musb->context.otg_interfsel);
otg_set_suspend(musb->xceiv, 0);
return 0;
}
int omap2430_async_resume(struct musb *musb)
{
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
struct omap_musb_board_data *data = pdata->board_data;
struct platform_device *pdev
= to_platform_device(musb->controller->parent);
unsigned long flags = 0;
u32 val = 0;
int ret = 0;
if (!pdev) {
pr_err("%s pdev is null error\n", __func__);
return -ENODEV;
}
dev_info(&pdev->dev, "%s async_resume=%d +\n",
__func__, musb->async_resume);
mutex_lock(&musb->async_musb_lock);
if (musb->async_resume > 0)
musb->async_resume++;
else {
ret = omap_device_enable(pdev);
if (ret < 0) {
dev_err(&pdev->dev, "%s omap_device_enable error ret=%d\n",
__func__, ret);
mutex_unlock(&musb->async_musb_lock);
return ret;
}
spin_lock_irqsave(&musb->lock, flags);
otg_set_suspend(musb->xceiv, 0);
omap2430_low_level_init(musb);
val = musb_readl(musb->mregs, OTG_INTERFSEL);
if (data->interface_type ==
MUSB_INTERFACE_UTMI) {
val &= ~ULPI_12PIN;
val |= UTMI_8BIT;
} else {
val |= ULPI_12PIN;
}
musb_writel(musb->mregs, OTG_INTERFSEL, val);
musb_async_resume(musb);
spin_unlock_irqrestore(&musb->lock, flags);
musb->async_resume++;
}
mutex_unlock(&musb->async_musb_lock);
dev_info(&pdev->dev, "%s async_resume %d -\n",
__func__, musb->async_resume);
return 0;
}
static int omap2430_runtime_resume(struct device *dev)
{
struct omap2430_glue *glue = dev_get_drvdata(dev);
struct musb *musb = glue_to_musb(glue);
if (musb) {
omap2430_low_level_init(musb);
musb_writel(musb->mregs, OTG_INTERFSEL,
musb->context.otg_interfsel);
phy_power_on(musb->phy);
}
return 0;
}
static int omap2430_resume(struct device *dev)
{
struct omap2430_glue *glue = dev_get_drvdata(dev);
struct musb *musb = glue_to_musb(glue);
int ret;
ret = clk_enable(glue->clk);
if (ret) {
dev_err(dev, "faled to enable clock\n");
return ret;
}
omap2430_low_level_init(musb);
omap2430_restore_context(musb);
otg_set_suspend(musb->xceiv, 0);
return 0;
}
static int omap2430_musb_init(struct musb *musb)
{
u32 l, status = 0;
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *plat = dev->platform_data;
struct omap_musb_board_data *data = plat->board_data;
/* We require some kind of external transceiver, hooked
* up through ULPI. TWL4030-family PMICs include one,
* which needs a driver, drivers aren't always needed.
*/
musb->xceiv = otg_get_transceiver();
if (!musb->xceiv) {
pr_err("HS USB OTG: no transceiver configured\n");
return -ENODEV;
}
omap2430_low_level_init(musb);
l = musb_readl(musb->mregs, OTG_SYSCONFIG);
l &= ~ENABLEWAKEUP; /* disable wakeup */
l &= ~NOSTDBY; /* remove possible nostdby */
l |= SMARTSTDBY; /* enable smart standby */
l &= ~AUTOIDLE; /* disable auto idle */
l &= ~NOIDLE; /* remove possible noidle */
l |= SMARTIDLE; /* enable smart idle */
/*
* MUSB AUTOIDLE don't work in 3430.
* Workaround by Richard Woodruff/TI
*/
if (!cpu_is_omap3430())
l |= AUTOIDLE; /* enable auto idle */
musb_writel(musb->mregs, OTG_SYSCONFIG, l);
l = musb_readl(musb->mregs, OTG_INTERFSEL);
if (data->interface_type == MUSB_INTERFACE_UTMI) {
/* OMAP4 uses Internal PHY GS70 which uses UTMI interface */
l &= ~ULPI_12PIN; /* Disable ULPI */
l |= UTMI_8BIT; /* Enable UTMI */
} else {
l |= ULPI_12PIN;
}
musb_writel(musb->mregs, OTG_INTERFSEL, l);
pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
"sysstatus 0x%x, intrfsel 0x%x, simenable 0x%x\n",
musb_readl(musb->mregs, OTG_REVISION),
musb_readl(musb->mregs, OTG_SYSCONFIG),
musb_readl(musb->mregs, OTG_SYSSTATUS),
musb_readl(musb->mregs, OTG_INTERFSEL),
musb_readl(musb->mregs, OTG_SIMENABLE));
musb->nb.notifier_call = musb_otg_notifications;
status = otg_register_notifier(musb->xceiv, &musb->nb);
if (status)
DBG(1, "notification register failed\n");
/* check whether cable is already connected */
if (musb->xceiv->state ==OTG_STATE_B_IDLE)
musb_otg_notifications(&musb->nb, 1,
musb->xceiv->gadget);
setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);
return 0;
}
