static void omap_musb_set_mailbox(struct omap2430_glue *glue)
{
struct musb *musb = glue_to_musb(glue);
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
struct omap_musb_board_data *data = pdata->board_data;
struct usb_otg *otg = musb->xceiv->otg;
switch (glue->status) {
case OMAP_MUSB_ID_GROUND:
dev_dbg(dev, "ID GND\n");
otg->default_a = true;
musb->xceiv->state = OTG_STATE_A_IDLE;
musb->xceiv->last_event = USB_EVENT_ID;
if (musb->gadget_driver) {
pm_runtime_get_sync(dev);
omap_control_usb_set_mode(glue->control_otghs,
USB_MODE_HOST);
omap2430_musb_set_vbus(musb, 1);
}
break;
case OMAP_MUSB_VBUS_VALID:
dev_dbg(dev, "VBUS Connect\n");
otg->default_a = false;
musb->xceiv->state = OTG_STATE_B_IDLE;
musb->xceiv->last_event = USB_EVENT_VBUS;
if (musb->gadget_driver)
pm_runtime_get_sync(dev);
omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
break;
case OMAP_MUSB_ID_FLOAT:
case OMAP_MUSB_VBUS_OFF:
dev_dbg(dev, "VBUS Disconnect\n");
musb->xceiv->last_event = USB_EVENT_NONE;
if (musb->gadget_driver) {
omap2430_musb_set_vbus(musb, 0);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
}
if (data->interface_type == MUSB_INTERFACE_UTMI)
otg_set_vbus(musb->xceiv->otg, 0);
omap_control_usb_set_mode(glue->control_otghs,
USB_MODE_DISCONNECT);
break;
default:
dev_dbg(dev, "ID float\n");
}
}
/* blocking notifier support */
static int musb_otg_notifications(struct notifier_block *nb,
unsigned long event, void *unused)
{
struct musb *musb = container_of(nb, struct musb, nb);
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
struct omap_musb_board_data *data = pdata->board_data;
switch (event) {
case USB_EVENT_ID:
dev_dbg(musb->controller, "ID GND\n");
if (is_otg_enabled(musb)) {
if (musb->gadget_driver) {
pm_runtime_get_sync(musb->controller);
otg_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
}
} else {
pm_runtime_get_sync(musb->controller);
otg_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
}
break;
case USB_EVENT_VBUS:
dev_dbg(musb->controller, "VBUS Connect\n");
if (musb->gadget_driver)
pm_runtime_get_sync(musb->controller);
otg_init(musb->xceiv);
break;
case USB_EVENT_NONE:
dev_dbg(musb->controller, "VBUS Disconnect\n");
if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
if (musb->gadget_driver) {
pm_runtime_mark_last_busy(musb->controller);
pm_runtime_put_autosuspend(musb->controller);
}
if (data->interface_type == MUSB_INTERFACE_UTMI) {
if (musb->xceiv->set_vbus)
otg_set_vbus(musb->xceiv, 0);
}
otg_shutdown(musb->xceiv);
break;
default:
dev_dbg(musb->controller, "ID float\n");
return NOTIFY_DONE;
}
return NOTIFY_OK;
}
/* blocking notifier support */
static int musb_otg_notifications(struct notifier_block *nb,
unsigned long event, void *unused)
{
struct musb *musb = container_of(nb, struct musb, nb);
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
struct omap_musb_board_data *data = pdata->board_data;
switch (event) {
case USB_EVENT_ID:
DBG(4, "ID GND\n");
if (is_otg_enabled(musb)) {
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (musb->gadget_driver) {
otg_init(musb->xceiv);
if (data->interface_type ==
MUSB_INTERFACE_UTMI)
omap2430_musb_set_vbus(musb, 1);
}
#endif
} else {
otg_init(musb->xceiv);
if (data->interface_type ==
MUSB_INTERFACE_UTMI)
omap2430_musb_set_vbus(musb, 1);
}
break;
case USB_EVENT_VBUS:
DBG(4, "VBUS Connect\n");
otg_init(musb->xceiv);
break;
case USB_EVENT_NONE:
DBG(4, "VBUS Disconnect\n");
if (data->interface_type == MUSB_INTERFACE_UTMI) {
if (musb->xceiv->set_vbus)
otg_set_vbus(musb->xceiv, 0);
}
otg_shutdown(musb->xceiv);
break;
default:
DBG(4, "ID float\n");
return NOTIFY_DONE;
}
return NOTIFY_OK;
}
static void omap_musb_set_mailbox(struct omap2430_glue *glue)
{
struct musb *musb = glue_to_musb(glue);
struct musb_hdrc_platform_data *pdata =
dev_get_platdata(musb->controller);
struct omap_musb_board_data *data = pdata->board_data;
pm_runtime_get_sync(musb->controller);
switch (glue->status) {
case MUSB_ID_GROUND:
dev_dbg(musb->controller, "ID GND\n");
musb->xceiv->otg->state = OTG_STATE_A_IDLE;
musb->xceiv->last_event = USB_EVENT_ID;
if (musb->gadget_driver) {
omap_control_usb_set_mode(glue->control_otghs,
USB_MODE_HOST);
omap2430_musb_set_vbus(musb, 1);
}
break;
case MUSB_VBUS_VALID:
dev_dbg(musb->controller, "VBUS Connect\n");
musb->xceiv->otg->state = OTG_STATE_B_IDLE;
musb->xceiv->last_event = USB_EVENT_VBUS;
omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
break;
case MUSB_ID_FLOAT:
case MUSB_VBUS_OFF:
dev_dbg(musb->controller, "VBUS Disconnect\n");
musb->xceiv->last_event = USB_EVENT_NONE;
if (musb->gadget_driver)
omap2430_musb_set_vbus(musb, 0);
if (data->interface_type == MUSB_INTERFACE_UTMI)
otg_set_vbus(musb->xceiv->otg, 0);
omap_control_usb_set_mode(glue->control_otghs,
USB_MODE_DISCONNECT);
break;
default:
dev_dbg(musb->controller, "ID float\n");
}
pm_runtime_mark_last_busy(musb->controller);
pm_runtime_put_autosuspend(musb->controller);
atomic_notifier_call_chain(&musb->xceiv->notifier,
musb->xceiv->last_event, NULL);
}
static void omap2430_musb_enable(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;
u32 val;
switch (musb->xceiv->last_event) {
case USB_EVENT_ID:
val = musb_readl(musb->mregs, OTG_INTERFSEL);
otg_set_suspend(musb->xceiv, 1);
if (data->interface_type == MUSB_INTERFACE_UTMI) {
val &= ~ULPI_12PIN;
val |= UTMI_8BIT;
} else {
val |= ULPI_12PIN;
}
musb_writel(musb->mregs, OTG_INTERFSEL, val);
otg_set_suspend(musb->xceiv, 0);
otg_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
break;
case USB_EVENT_VBUS:
val = musb_readl(musb->mregs, OTG_INTERFSEL);
otg_set_suspend(musb->xceiv, 1);
if (data->interface_type ==
MUSB_INTERFACE_UTMI) {
val &= ~ULPI_12PIN;
val |= UTMI_8BIT;
} else {
val |= ULPI_12PIN;
}
musb_writel(musb->mregs, OTG_INTERFSEL, val);
otg_set_suspend(musb->xceiv, 0);
otg_init(musb->xceiv);
break;
case USB_EVENT_CHARGER:
dev_dbg(musb->controller, "Dedicated charger connect\n");
musb->is_ac_charger = true;
break;
default:
break;
}
}
static void musb_otg_notifier_work(struct work_struct *data_notifier_work)
{
struct musb *musb = container_of(data_notifier_work, struct musb, otg_notifier_work);
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
struct omap_musb_board_data *data = pdata->board_data;
switch (musb->xceiv_event) {
case USB_EVENT_ID:
dev_dbg(musb->controller, "ID GND\n");
if (!is_otg_enabled(musb) || musb->gadget_driver) {
pm_runtime_get_sync(musb->controller);
usb_phy_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
}
break;
case USB_EVENT_VBUS:
dev_dbg(musb->controller, "VBUS Connect\n");
if (musb->gadget_driver)
pm_runtime_get_sync(musb->controller);
usb_phy_init(musb->xceiv);
break;
case USB_EVENT_NONE:
dev_dbg(musb->controller, "VBUS Disconnect\n");
if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
if (musb->gadget_driver) {
pm_runtime_mark_last_busy(musb->controller);
pm_runtime_put_autosuspend(musb->controller);
}
if (data->interface_type == MUSB_INTERFACE_UTMI) {
if (musb->xceiv->otg->set_vbus)
otg_set_vbus(musb->xceiv->otg, 0);
}
usb_phy_shutdown(musb->xceiv);
break;
default:
dev_dbg(musb->controller, "ID float\n");
}
}
static void musb_otg_init(struct musb *musb)
{
unsigned long flags = 0;
pm_runtime_get_sync(musb->controller);
/* reset musb controller */
#ifndef CONFIG_USB_SAMSUNG_OMAP_NORPM
musb_otg_core_reset(musb);
#endif
spin_lock_irqsave(&musb->lock, flags);
if (otg_is_active(musb->xceiv))
otg_set_suspend(musb->xceiv, 1);
otg_set_suspend(musb->xceiv, 0);
spin_unlock_irqrestore(&musb->lock, flags);
otg_init(musb->xceiv);
msleep(musb->otg_enum_delay);
omap2430_musb_set_vbus(musb, 1);
musb->otg_enum_delay = INIT_OTG_DELAY;
}
static void musb_otg_notifier_work(struct work_struct *data_notifier_work)
{
struct musb_otg_work *otg_work =
container_of(data_notifier_work, struct musb_otg_work, work);
struct musb *musb = otg_work->musb;
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
struct omap_musb_board_data *data = pdata->board_data;
enum usb_xceiv_events xceiv_event = otg_work->xceiv_event;
kfree(otg_work);
switch (xceiv_event) {
case USB_EVENT_ID:
dev_dbg(musb->controller, "ID GND\n");
if (is_otg_enabled(musb)) {
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (musb->gadget_driver) {
pm_runtime_get_sync(musb->controller);
otg_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
}
#endif
} else {
pm_runtime_get_sync(musb->controller);
otg_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
}
break;
case USB_EVENT_CHARGER:
dev_dbg(musb->controller, "Dedicated charger connect\n");
musb->is_ac_charger = true;
break;
case USB_EVENT_VBUS:
dev_dbg(musb->controller, "VBUS Connect\n");
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (musb->gadget_driver)
pm_runtime_get_sync(musb->controller);
#endif
otg_init(musb->xceiv);
break;
case USB_EVENT_NONE:
if (musb->is_ac_charger) {
dev_dbg(musb->controller,
"Dedicated charger disconnect\n");
musb->is_ac_charger = false;
break;
}
dev_dbg(musb->controller, "VBUS Disconnect\n");
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
if (musb->gadget_driver)
#endif
{
pm_runtime_mark_last_busy(musb->controller);
pm_runtime_put_autosuspend(musb->controller);
}
if (data->interface_type == MUSB_INTERFACE_UTMI) {
omap2430_musb_set_vbus(musb, 0);
if (musb->xceiv->set_vbus)
otg_set_vbus(musb->xceiv, 0);
}
otg_shutdown(musb->xceiv);
break;
default:
dev_dbg(musb->controller, "ID float\n");
return;
}
return;
}
static void musb_otg_notifier_work(struct work_struct *data_notifier_work)
{
struct musb_otg_work *otg_work =
container_of(data_notifier_work, struct musb_otg_work, work);
struct musb *musb = otg_work->musb;
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
struct omap_musb_board_data *data = pdata->board_data;
enum usb_xceiv_events xceiv_event = otg_work->xceiv_event;
unsigned long flags;
#ifdef CONFIG_USB_SAMSUNG_OMAP_NORPM
int ret = 0;
#endif
kfree(otg_work);
switch (xceiv_event) {
case USB_EVENT_ID:
dev_info(musb->controller, "ID GND\n");
musb->xceiv->state = OTG_STATE_A_IDLE;
#ifdef CONFIG_USB_SAMSUNG_OMAP_NORPM
ret = omap2430_async_resume(musb);
if (ret < 0)
return;
#endif
if (is_otg_enabled(musb)) {
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (musb->gadget_driver) {
musb_otg_init(musb);
}
#endif
} else {
musb_otg_init(musb);
}
#ifdef CONFIG_USB_SAMSUNG_OMAP_NORPM
musb_add_hcd(musb);
#endif
break;
case USB_EVENT_VBUS_CHARGER:
dev_info(musb->controller, "USB/TA Connect\n");
/* This event received from ta_connect_irq
* when a usb cable is connected. Logic has still
* not identified whether this is a usb cable or TA.
* So just break here.
*/
break;
case USB_EVENT_VBUS:
dev_info(musb->controller, "VBUS Connect\n");
#ifdef CONFIG_USB_SAMSUNG_OMAP_NORPM
ret = omap2430_async_resume(musb);
if (ret < 0)
return;
#endif
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (musb->gadget_driver)
pm_runtime_get_sync(musb->controller);
#endif
otg_init(musb->xceiv);
#ifdef CONFIG_USB_SAMSUNG_OMAP_NORPM
musb_start(musb);
musb_platform_pullup(musb, 1);
#endif
break;
case USB_EVENT_CHARGER:
dev_info(musb->controller, "Dedicated charger connect\n");
musb->is_ac_charger = true;
break;
case USB_EVENT_HOST_NONE:
#ifdef CONFIG_USB_SAMSUNG_OMAP_NORPM
dev_info(musb->controller, "USB host Disconnect. ID float\n");
if (!omap2430_async_resumed(musb)) {
dev_err(musb->controller, "async suspended. abnormal state.\n");
return;
}
musb_stop(musb);
musb_remove_hcd(musb);
if (data->interface_type == MUSB_INTERFACE_UTMI) {
omap2430_musb_set_vbus(musb, 0);
if (musb->xceiv->set_vbus)
otg_set_vbus(musb->xceiv, 0);
}
otg_shutdown(musb->xceiv);
musb_otg_core_reset(musb);
ret = omap2430_async_suspend(musb);
if (ret < 0)
return;
break;
#endif
case USB_EVENT_NONE:
if (musb->is_ac_charger) {
dev_info(musb->controller,
"Dedicated charger disconnect\n");
musb->is_ac_charger = false;
break;
}
dev_info(musb->controller, "VBUS Disconnect\n");
#ifndef CONFIG_USB_SAMSUNG_OMAP_NORPM
if (pm_runtime_suspended(musb->controller)) {
dev_err(musb->controller, "runtime pm suspended. abnormal state.\n");
return;
}
spin_lock_irqsave(&musb->lock, flags);
musb_g_disconnect(musb);
spin_unlock_irqrestore(&musb->lock, flags);
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
if (musb->gadget_driver)
#endif
{
pm_runtime_mark_last_busy(musb->controller);
pm_runtime_put_autosuspend(musb->controller);
}
if (data->interface_type == MUSB_INTERFACE_UTMI) {
omap2430_musb_set_vbus(musb, 0);
if (musb->xceiv->set_vbus)
otg_set_vbus(musb->xceiv, 0);
}
otg_shutdown(musb->xceiv);
#else
if (!omap2430_async_resumed(musb)) {
dev_err(musb->controller, "async suspended. abnormal state.\n");
return;
}
musb_platform_pullup(musb, 0);
spin_lock_irqsave(&musb->lock, flags);
musb_stop(musb);
musb_g_disconnect(musb);
musb_all_ep_flush(musb);
spin_unlock_irqrestore(&musb->lock, flags);
if (data->interface_type == MUSB_INTERFACE_UTMI)
omap2430_musb_set_vbus(musb, 0);
otg_shutdown(musb->xceiv);
musb_otg_core_reset(musb);
ret = omap2430_async_suspend(musb);
if (ret < 0)
return;
#endif
break;
default:
dev_info(musb->controller, "ID float\n");
}
}
static void musb_otg_notifier_work(struct work_struct *data_notifier_work)
{
u32 val;
struct musb_otg_work *otg_work =
container_of(data_notifier_work, struct musb_otg_work, work);
struct musb *musb = otg_work->musb;
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
struct omap_musb_board_data *data = pdata->board_data;
enum usb_xceiv_events xceiv_event = otg_work->xceiv_event;
static int last_event = -1;
kfree(otg_work);
/* avoid duplicate notifications */
if (last_event == xceiv_event) {
WARN(1, "Duplicated event(%d): ignored\n", xceiv_event);
return;
}
/* check for incorrect transitions */
if ((last_event == USB_EVENT_VBUS && xceiv_event == USB_EVENT_ID) ||
(last_event == USB_EVENT_ID && xceiv_event == USB_EVENT_VBUS)) {
WARN(1, "Incorrect transition (%d)->(%d)\n", last_event, xceiv_event);
}
/* store last event */
last_event = xceiv_event;
switch (xceiv_event) {
case USB_EVENT_ID:
dev_dbg(musb->controller, "ID GND\n");
if (is_otg_enabled(musb)) {
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (musb->gadget_driver) {
pm_runtime_get_sync(musb->controller);
val = musb_readl(musb->mregs, OTG_INTERFSEL);
otg_set_suspend(musb->xceiv, 1);
if (data->interface_type ==
MUSB_INTERFACE_UTMI) {
val &= ~ULPI_12PIN;
val |= UTMI_8BIT;
} else {
val |= ULPI_12PIN;
}
musb_writel(musb->mregs, OTG_INTERFSEL, val);
otg_set_suspend(musb->xceiv, 0);
otg_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
}
#endif
} else {
pm_runtime_get_sync(musb->controller);
val = musb_readl(musb->mregs, OTG_INTERFSEL);
otg_set_suspend(musb->xceiv, 1);
if (data->interface_type == MUSB_INTERFACE_UTMI) {
val &= ~ULPI_12PIN;
val |= UTMI_8BIT;
} else {
val |= ULPI_12PIN;
}
musb_writel(musb->mregs, OTG_INTERFSEL, val);
otg_set_suspend(musb->xceiv, 0);
otg_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
}
break;
case USB_EVENT_CHARGER:
dev_dbg(musb->controller, "Dedicated charger connect\n");
musb->is_ac_charger = true;
break;
case USB_EVENT_VBUS:
dev_dbg(musb->controller, "VBUS Connect\n");
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (musb->gadget_driver) {
pm_runtime_get_sync(musb->controller);
val = musb_readl(musb->mregs, OTG_INTERFSEL);
otg_set_suspend(musb->xceiv, 1);
if (data->interface_type ==
MUSB_INTERFACE_UTMI) {
val &= ~ULPI_12PIN;
val |= UTMI_8BIT;
} else {
val |= ULPI_12PIN;
}
musb_writel(musb->mregs, OTG_INTERFSEL, val);
otg_set_suspend(musb->xceiv, 0);
}
#endif
otg_init(musb->xceiv);
break;
case USB_EVENT_NONE:
if (musb->is_ac_charger) {
dev_dbg(musb->controller,
"Dedicated charger disconnect\n");
musb->is_ac_charger = false;
break;
}
dev_dbg(musb->controller, "VBUS Disconnect\n");
pm_runtime_get_sync(musb->controller);
if (data->interface_type == MUSB_INTERFACE_UTMI) {
omap2430_musb_set_vbus(musb, 0);
if (musb->xceiv->set_vbus)
otg_set_vbus(musb->xceiv, 0);
}
otg_shutdown(musb->xceiv);
otg_set_suspend(musb->xceiv, 1);
val = musb_readl(musb->mregs, OTG_INTERFSEL);
val |= ULPI_12PIN;
musb_writel(musb->mregs, OTG_INTERFSEL, val);
pm_runtime_mark_last_busy(musb->controller);
pm_runtime_put_autosuspend(musb->controller);
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
if (musb->gadget_driver)
#endif
pm_runtime_put_autosuspend(musb->controller);
break;
default:
dev_dbg(musb->controller, "ID float\n");
}
}
static void musb_otg_notifier_work(struct work_struct *data_notifier_work)
{
u32 val;
struct musb_otg_work *otg_work =
container_of(data_notifier_work, struct musb_otg_work, work);
struct musb *musb = otg_work->musb;
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
struct omap_musb_board_data *data = pdata->board_data;
enum usb_xceiv_events xceiv_event = otg_work->xceiv_event;
int status;
kfree(otg_work);
if (xceiv_event == xceiv_event_last) {
/* sync pm runtime if already got */
if (xceiv_event == USB_EVENT_VBUS || xceiv_event == USB_EVENT_ID) {
pm_runtime_put_sync(musb->controller);
}
}
xceiv_event_last = xceiv_event;
switch (xceiv_event) {
case USB_EVENT_ID:
dev_dbg(musb->controller, "ID GND\n");
pm_runtime_get_sync(musb->controller);
if (is_otg_enabled(musb)) {
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (musb->gadget_driver) {
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);
otg_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
}
#endif
} else {
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);
otg_init(musb->xceiv);
omap2430_musb_set_vbus(musb, 1);
}
break;
case USB_EVENT_CHARGER:
dev_dbg(musb->controller, "Dedicated charger connect\n");
musb->is_ac_charger = true;
break;
case USB_EVENT_VBUS:
dev_dbg(musb->controller, "VBUS Connect\n");
pm_runtime_get_sync(musb->controller);
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (musb->gadget_driver) {
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);
}
#endif
otg_init(musb->xceiv);
break;
case USB_EVENT_NONE:
if (musb->is_ac_charger) {
dev_dbg(musb->controller,
"Dedicated charger disconnect\n");
musb->is_ac_charger = false;
break;
}
dev_dbg(musb->controller, "VBUS Disconnect\n");
// pm_runtime_get_sync(musb->controller);
if (data->interface_type == MUSB_INTERFACE_UTMI) {
omap2430_musb_set_vbus(musb, 0);
if (musb->xceiv->set_vbus)
otg_set_vbus(musb->xceiv, 0);
}
otg_shutdown(musb->xceiv);
val = musb_readl(musb->mregs, OTG_INTERFSEL);
val |= ULPI_12PIN;
musb_writel(musb->mregs, OTG_INTERFSEL, val);
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
if (is_otg_enabled(musb) || is_peripheral_enabled(musb)) {
if (musb->gadget_driver)
#endif
{
pm_runtime_mark_last_busy(musb->controller);
pm_runtime_put_autosuspend(musb->controller);
}
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
else {
pm_runtime_put_sync(musb->controller);
}
} else {
pm_runtime_put_sync(musb->controller);
}
#endif
break;
default:
dev_dbg(musb->controller, "ID float\n");
}
}
