static void twl4030_id_workaround_work(struct work_struct *work)
{
struct twl4030_usb *twl = container_of(work, struct twl4030_usb,
id_workaround_work.work);
enum omap_musb_vbus_id_status status;
bool status_changed = false;
status = twl4030_usb_linkstat(twl);
spin_lock_irq(&twl->lock);
if (status >= 0 && status != twl->linkstat) {
twl->linkstat = status;
status_changed = true;
}
spin_unlock_irq(&twl->lock);
if (status_changed) {
dev_dbg(twl->dev, "handle missing status change to %d\n",
status);
omap_musb_mailbox(status);
}
/* don't schedule during sleep - irq works right then */
if (status == OMAP_MUSB_ID_GROUND && !twl->asleep) {
cancel_delayed_work(&twl->id_workaround_work);
schedule_delayed_work(&twl->id_workaround_work, HZ);
}
}
static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
{
struct twl4030_usb *twl = _twl;
int status;
#ifdef CONFIG_LOCKDEP
local_irq_enable();
#endif
status = twl4030_usb_linkstat(twl);
if (status != USB_LINK_UNKNOWN) {
twl4030charger_usb_en(status == USB_LINK_VBUS);
if (status == USB_LINK_NONE)
twl4030_phy_suspend(twl, 0);
else
twl4030_phy_resume(twl);
}
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
return IRQ_HANDLED;
}
static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
{
struct twl4030_usb *twl = _twl;
enum omap_musb_vbus_id_status status;
bool status_changed = false;
status = twl4030_usb_linkstat(twl);
spin_lock_irq(&twl->lock);
if (status >= 0 && status != twl->linkstat) {
twl->linkstat = status;
status_changed = true;
}
spin_unlock_irq(&twl->lock);
if (status_changed) {
/* FIXME add a set_power() method so that B-devices can
* configure the charger appropriately. It's not always
* correct to consume VBUS power, and how much current to
* consume is a function of the USB configuration chosen
* by the host.
*
* REVISIT usb_gadget_vbus_connect(...) as needed, ditto
* its disconnect() sibling, when changing to/from the
* USB_LINK_VBUS state. musb_hdrc won't care until it
* starts to handle softconnect right.
*/
omap_musb_mailbox(status);
}
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
return IRQ_HANDLED;
}
static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
{
struct twl4030_usb *twl = _twl;
int status;
status = twl4030_usb_linkstat(twl);
if (status >= 0) {
/* FIXME add a set_power() method so that B-devices can
* configure the charger appropriately. It's not always
* correct to consume VBUS power, and how much current to
* consume is a function of the USB configuration chosen
* by the host.
*
* REVISIT usb_gadget_vbus_connect(...) as needed, ditto
* its disconnect() sibling, when changing to/from the
* USB_LINK_VBUS state. musb_hdrc won't care until it
* starts to handle softconnect right.
*/
if (status == USB_EVENT_NONE)
twl4030_phy_suspend(twl, 0);
else
twl4030_phy_resume(twl);
blocking_notifier_call_chain(&twl->otg.notifier, status,
twl->otg.gadget);
}
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
return IRQ_HANDLED;
}
static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
{
struct twl4030_usb *twl = _twl;
enum omap_musb_vbus_id_status status;
bool status_changed = false;
status = twl4030_usb_linkstat(twl);
spin_lock_irq(&twl->lock);
if (status >= 0 && status != twl->linkstat) {
twl->linkstat = status;
status_changed = true;
}
spin_unlock_irq(&twl->lock);
if (status_changed) {
/* FIXME add a set_power() method so that B-devices can
* configure the charger appropriately. It's not always
* correct to consume VBUS power, and how much current to
* consume is a function of the USB configuration chosen
* by the host.
*
* REVISIT usb_gadget_vbus_connect(...) as needed, ditto
* its disconnect() sibling, when changing to/from the
* USB_LINK_VBUS state. musb_hdrc won't care until it
* starts to handle softconnect right.
*/
if ((status == OMAP_MUSB_VBUS_VALID) ||
(status == OMAP_MUSB_ID_GROUND)) {
if (twl->asleep)
pm_runtime_get_sync(twl->dev);
} else {
if (!twl->asleep) {
pm_runtime_mark_last_busy(twl->dev);
pm_runtime_put_autosuspend(twl->dev);
}
}
omap_musb_mailbox(status);
}
/* don't schedule during sleep - irq works right then */
if (status == OMAP_MUSB_ID_GROUND && !twl->asleep) {
cancel_delayed_work(&twl->id_workaround_work);
schedule_delayed_work(&twl->id_workaround_work, HZ);
}
if (irq)
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
return IRQ_HANDLED;
}
static void twl4030_phy_resume(struct twl4030_usb *twl)
{
if (!twl->asleep)
return;
/* Check the link status before enabling */
if (twl4030_usb_linkstat(twl) == USB_EVENT_NONE)
return;
twl4030_phy_power(twl, 1);
twl4030_i2c_access(twl, 1);
twl4030_usb_set_mode(twl, twl->usb_mode);
if (twl->usb_mode == T2_USB_MODE_ULPI)
twl4030_i2c_access(twl, 0);
twl->asleep = 0;
}
static int twl4030_phy_init(struct phy *phy)
{
struct twl4030_usb *twl = phy_get_drvdata(phy);
enum omap_musb_vbus_id_status status;
pm_runtime_get_sync(twl->dev);
status = twl4030_usb_linkstat(twl);
twl->linkstat = status;
if (status == OMAP_MUSB_ID_GROUND || status == OMAP_MUSB_VBUS_VALID)
omap_musb_mailbox(twl->linkstat);
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
pm_runtime_mark_last_busy(twl->dev);
pm_runtime_put_autosuspend(twl->dev);
return 0;
}
static void twl4030_usb_phy_init(struct twl4030_usb *twl)
{
int status;
status = twl4030_usb_linkstat(twl);
if (status >= 0) {
if (status == USB_EVENT_NONE) {
__twl4030_phy_power(twl, 0);
twl->asleep = 1;
} else {
__twl4030_phy_resume(twl);
twl->asleep = 0;
}
atomic_notifier_call_chain(&twl->phy.notifier, status,
twl->phy.otg->gadget);
}
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
}
static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
{
struct twl4030_usb *twl = _twl;
int status;
status = twl4030_usb_linkstat(twl);
if (status >= 0) {
if (status == USB_EVENT_NONE)
twl4030_phy_suspend(twl, 0);
else
twl4030_phy_resume(twl);
atomic_notifier_call_chain(&twl->phy.notifier, status,
twl->phy.otg->gadget);
}
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
return IRQ_HANDLED;
}
static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
{
struct twl4030_usb *twl = _twl;
int status;
#ifdef CONFIG_LOCKDEP
/* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
* we don't want and can't tolerate. Although it might be
* friendlier not to borrow this thread context...
*/
local_irq_enable();
#endif
status = twl4030_usb_linkstat(twl);
if (status != USB_LINK_UNKNOWN) {
/* FIXME add a set_power() method so that B-devices can
* configure the charger appropriately. It's not always
* correct to consume VBUS power, and how much current to
* consume is a function of the USB configuration chosen
* by the host.
*
* REVISIT usb_gadget_vbus_connect(...) as needed, ditto
* its disconnect() sibling, when changing to/from the
* USB_LINK_VBUS state. musb_hdrc won't care until it
* starts to handle softconnect right.
*/
twl4030charger_usb_en(status == USB_LINK_VBUS);
if (status == USB_LINK_NONE)
twl4030_phy_suspend(twl, 0);
else
twl4030_phy_resume(twl);
}
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
return IRQ_HANDLED;
}
static int twl4030_phy_init(struct phy *phy)
{
struct twl4030_usb *twl = phy_get_drvdata(phy);
enum omap_musb_vbus_id_status status;
/*
* Start in sleep state, we'll get called through set_suspend()
* callback when musb is runtime resumed and it's time to start.
*/
__twl4030_phy_power(twl, 0);
twl->asleep = 1;
status = twl4030_usb_linkstat(twl);
twl->linkstat = status;
if (status == OMAP_MUSB_ID_GROUND || status == OMAP_MUSB_VBUS_VALID) {
omap_musb_mailbox(twl->linkstat);
twl4030_phy_power_on(phy);
}
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
return 0;
}
static void twl4030_phy_resume(struct twl4030_usb *twl)
{
int status; // LGE CHANGE jjun.lee, Current Optimization by Prakash TI
if (!twl->asleep) {
return;
}
// LGE CHANGE jjun.lee, Current Optimization by Prakash TI
/* To check the LINK status before resume..
* check to avoid enabling a LDO's
* */
status = twl4030_usb_linkstat(twl);
if (status == USB_EVENT_NONE)
return;
// LGE CHANGE jjun.lee, Current Optimization by Prakash TI
twl4030_phy_power(twl, 1);
twl4030_i2c_access(twl, 1);
twl4030_usb_set_mode(twl, twl->usb_mode);
if (twl->usb_mode == T2_USB_MODE_ULPI)
twl4030_i2c_access(twl, 0);
twl->asleep = 0;
}
//&*&*&*SJ1_20110701, fix adb connect issue.
static void do_softint_usb_irq(struct work_struct *work)
{
struct twl4030_usb *twl = container_of(work, struct twl4030_usb, usb_irq_delay_work.work);
static int last_state=USB_EVENT_NONE;
int status;
static int run_flag=0;
mdelay(200);
last_state = twl->linkstat;
status = twl4030_usb_linkstat(twl);
if (status >= 0) {
/* FIXME add a set_power() method so that B-devices can
* configure the charger appropriately. It's not always
* correct to consume VBUS power, and how much current to
* consume is a function of the USB configuration chosen
* by the host.
*
* REVISIT usb_gadget_vbus_connect(...) as needed, ditto
* its disconnect() sibling, when changing to/from the
* USB_LINK_VBUS state. musb_hdrc won't care until it
* starts to handle softconnect right.
*/
if (status == USB_EVENT_NONE)
{
//&*&*&*QY_20110706, don't send USB_EVENT_NONE again
if(last_state==USB_EVENT_NONE)
{
return ;
}
//&*&*&*QY_20110706
twl4030_phy_suspend(twl, 0);
if(twl->enter_early_suspend == 1)
{
SendPowerbuttonEvent();
printk("[twl4030-usb]Enter %s, send power suspend event.\n", __FUNCTION__);
}
if(wake_lock_active(&usb_lock))
wake_unlock(&usb_lock);
} else {
if(!wake_lock_active(&usb_lock))
wake_lock(&usb_lock);
twl4030_phy_resume(twl);
}
//&*&*&*QY_20110706, don't send USB_EVENT_NONE if last status is USB_EVENT_ID
if(status != USB_EVENT_ID)
{
twl4030_otg_enable(0); //Simon
if( (status==USB_EVENT_VBUS) || (status==USB_EVENT_NONE && last_state!=USB_EVENT_ID))
{
blocking_notifier_call_chain(&twl->otg.notifier, status, twl->otg.gadget);
}
}
//&*&*&*QY_20110706
//&*&*&*QY_20110706, enable 5V when OTG-cable plug-in
else //(status == USB_EVENT_ID)
{
gpio_direction_output(OTG_EN_1V8, 0);
gpio_direction_output(CHG_OFFMODE, 1);
if(!run_flag)
{
//msleep(500);
mdelay(3000);
}
blocking_notifier_call_chain(&twl->otg.notifier, USB_EVENT_ID, twl->otg.gadget);
if(run_flag)
{
//msleep(500);
mdelay(1000);
}
else
{
msleep(1000);
}
twl4030_otg_enable(1); //Simon
}
//&*&*&*QY_20110706
}
run_flag=1;
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
}
static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
{
struct twl4030_usb *twl = _twl;
int status;
#ifdef CONFIG_LGE_OMAP3_EXT_PWR
twl4030_usb_irq_occured = 1;
#endif
status = twl4030_usb_linkstat(twl);
if (status >= 0) {
/* FIXME add a set_power() method so that B-devices can
* configure the charger appropriately. It's not always
* correct to consume VBUS power, and how much current to
* consume is a function of the USB configuration chosen
* by the host.
*
* REVISIT usb_gadget_vbus_connect(...) as needed, ditto
* its disconnect() sibling, when changing to/from the
* USB_LINK_VBUS state. musb_hdrc won't care until it
* starts to handle softconnect right.
*/
if (status == USB_EVENT_NONE)
{
twl_detect_usb_irq = 0;
#if defined(CONFIG_MACH_LGE_OMAP3)
musb_link_force_active(0);
#endif // defined(CONFIG_MACH_LGE_OMAP3)
twl4030_phy_suspend(twl, 0);
}
else // usb connnect
{
twl_detect_usb_irq = 1;
#if defined(CONFIG_MACH_LGE_OMAP3)
musb_link_force_active(1);
#endif // defined(CONFIG_MACH_LGE_OMAP3)
twl4030_phy_resume(twl);
}
blocking_notifier_call_chain(&twl->otg.notifier, status,
twl->otg.gadget);
}
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
#if 1 /* mbk_temp */
// LGE_CHANGE work queue & wake lock for usb connection
printk(KERN_INFO "[charging_msg] %s: status %x\n", __FUNCTION__, status);
//lge_twl4030charger_presence_evt(1);
if( status == USB_EVENT_NONE) {
if(1==the_wlock.wake_lock_on){
schedule_delayed_work(&twl4030_usb_wq, msecs_to_jiffies(500)); /* 500 msec */ // to delay unlock wake_lock
}
}
else if( status == USB_EVENT_VBUS) {
if(0==the_wlock.wake_lock_on){
wake_lock(&the_wlock.wake_lock);
the_wlock.wake_lock_on=1;
printk(KERN_WARNING "[twl4030-usb] wake_lock_on=1 (locked)\n");
}
}
// LGE_CHANGE work queue & wake lock for usb connection
#endif
return IRQ_HANDLED;
}
