static void twl4030_id_workaround_work(struct work_struct *work)
{
struct twl4030_usb *twl = container_of(work, struct twl4030_usb,
id_workaround_work.work);
twl4030_usb_irq(0, twl);
}
static int __devinit twl4030_usb_probe(struct platform_device *pdev)
{
struct twl4030_usb_data *pdata = pdev->dev.platform_data;
struct twl4030_usb *twl;
int status, err;
if (!pdata) {
dev_dbg(&pdev->dev, "platform_data not available\n");
return -EINVAL;
}
twl = kzalloc(sizeof *twl, GFP_KERNEL);
if (!twl)
return -ENOMEM;
twl->dev = &pdev->dev;
twl->irq = platform_get_irq(pdev, 0);
twl->otg.dev = twl->dev;
twl->otg.label = "twl4030";
twl->otg.set_host = twl4030_set_host;
twl->otg.set_peripheral = twl4030_set_peripheral;
twl->otg.set_suspend = twl4030_set_suspend;
twl->usb_mode = pdata->usb_mode;
twl->asleep = 1;
spin_lock_init(&twl->lock);
err = twl4030_usb_ldo_init(twl);
if (err) {
dev_err(&pdev->dev, "ldo init failed\n");
kfree(twl);
return err;
}
otg_set_transceiver(&twl->otg);
platform_set_drvdata(pdev, twl);
if (device_create_file(&pdev->dev, &dev_attr_vbus))
dev_warn(&pdev->dev, "could not create sysfs file\n");
twl->irq_enabled = true;
status = request_irq(twl->irq, twl4030_usb_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"twl4030_usb", twl);
if (status < 0) {
dev_dbg(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq, status);
kfree(twl);
return status;
}
twl4030_usb_irq(twl->irq, twl);
dev_info(&pdev->dev, "Initialized TWL4030 USB module\n");
return 0;
}
static int __devinit twl4030_usb_probe(struct platform_device *pdev)
{
struct twl4030_usb_data *pdata = pdev->dev.platform_data;
struct twl4030_usb *twl;
int status, err;
int OTG_ID_detect_irq = 0;
if (!pdata) {
dev_dbg(&pdev->dev, "platform_data not available\n");
return -EINVAL;
}
twl = kzalloc(sizeof *twl, GFP_KERNEL);
if (!twl)
return -ENOMEM;
twl4030_otg_enable(0);
twl->dev = &pdev->dev;
twl->irq = platform_get_irq(pdev, 0);
twl->otg.dev = twl->dev;
twl->otg.label = "twl4030";
twl->otg.set_host = twl4030_set_host;
twl->otg.set_peripheral = twl4030_set_peripheral;
twl->otg.set_suspend = twl4030_set_suspend;
twl->usb_mode = pdata->usb_mode;
twl->asleep = 1;
#ifdef CONFIG_HAS_EARLYSUSPEND
twl->early_suspend.suspend = twl4030_usb_early_suspend;
twl->early_suspend.resume = twl4030_usb_late_resume;
register_early_suspend(&twl->early_suspend);
#endif
/* init spinlock for workqueue */
spin_lock_init(&twl->lock);
//&*&*&*SJ1_20110701, fix adb connect issue.
INIT_DELAYED_WORK(&twl->usb_irq_delay_work, do_softint_usb_irq);
//&*&*&*SJ2_20110701, fix adb connect issue.
err = twl4030_usb_ldo_init(twl);
if (err) {
dev_err(&pdev->dev, "ldo init failed\n");
kfree(twl);
return err;
}
otg_set_transceiver(&twl->otg);
platform_set_drvdata(pdev, twl);
if (device_create_file(&pdev->dev, &dev_attr_vbus))
dev_warn(&pdev->dev, "could not create sysfs file\n");
BLOCKING_INIT_NOTIFIER_HEAD(&twl->otg.notifier);
/* Our job is to use irqs and status from the power module
* to keep the transceiver disabled when nothing's connected.
*
* FIXME we actually shouldn't start enabling it until the
* USB controller drivers have said they're ready, by calling
* set_host() and/or set_peripheral() ... OTG_capable boards
* need both handles, otherwise just one suffices.
*/
twl->irq_enabled = true;
g_twl_usb = twl;
//&*&*&*AL1_20110523, USB OTG/Charger switch on EVT3 of EP10
status = gpio_request(OTG_EN_1V8, "otg_charger_en");
if (status < 0) {
dev_dbg(&pdev->dev, "couldn't request OTG_EN_1V8 GPIO: %d\n",
OTG_EN_1V8);
}
//ret = gpio_direction_output(OTG_EN_1V8, 0);
status = gpio_request(CHG_OFFMODE, "otg_vbus_out_en");
if (status < 0) {
dev_dbg(&pdev->dev, "couldn't request CHG_OFFMODE GPIO: %d\n",
CHG_OFFMODE);
}
//ret = gpio_direction_output(CHG_OFFMODE, 0);
//&*&*&*AL1_20110523, USB OTG/Charger switch on EVT3 of EP10
status = request_irq(twl->irq, twl4030_usb_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"twl4030_usb", twl);
if (status < 0) {
dev_dbg(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq, status);
kfree(twl);
return status;
}
//&*&*&*Simon_20110615, register Interrupt handling function for GPIO-41
if(gpio_request(41, "OTG_ID_GPIO") < 0)
{
printk("[simon]Failed to request GPIO%d fOTG_ID_GPIO\n", 41);
}
else
{
gpio_direction_input(41);
OTG_ID_detect_irq = OMAP_GPIO_IRQ(41);
printk("[Simon] GPIO-41 irq=%d \n",OTG_ID_detect_irq);
status = request_threaded_irq(OTG_ID_detect_irq, NULL,twl4030_OTG_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |IRQF_DISABLED ,
"OTG_ID_irq", twl);
if (status < 0)
{
dev_dbg(&pdev->dev, "can't get OTG IRQ %d, err %d\n",
OTG_ID_detect_irq, status);
kfree(twl);
return status;
}
}
//&*&*&*Simon_20110615 end.
wake_lock_init(&usb_lock, WAKE_LOCK_SUSPEND, "twl4030_musb_wake_lock");
/* The IRQ handler just handles changes from the previous states
* of the ID and VBUS pins ... in probe() we must initialize that
* previous state. The easy way: fake an IRQ.
*
* REVISIT: a real IRQ might have happened already, if PREEMPT is
* enabled. Else the IRQ may not yet be configured or enabled,
* because of scheduling delays.
*/
twl4030_usb_irq(twl->irq, twl);
dev_info(&pdev->dev, "Initialized TWL4030 USB module\n");
return 0;
}
static int __init twl4030_usb_probe(struct platform_device *pdev)
{
struct twl4030_usb_data *pdata = pdev->dev.platform_data;
struct twl4030_usb *twl;
int status;
if (!pdata) {
dev_dbg(&pdev->dev, "platform_data not available\n");
return -EINVAL;
}
twl = kzalloc(sizeof *twl, GFP_KERNEL);
if (!twl)
return -ENOMEM;
twl->dev = &pdev->dev;
twl->irq = platform_get_irq(pdev, 0);
twl->otg.dev = twl->dev;
twl->otg.label = "twl4030";
twl->otg.set_host = twl4030_set_host;
twl->otg.set_peripheral = twl4030_set_peripheral;
twl->otg.set_suspend = twl4030_set_suspend;
twl->usb_mode = pdata->usb_mode;
twl->asleep = 1;
/* init spinlock for workqueue */
spin_lock_init(&twl->lock);
twl4030_usb_ldo_init(twl);
otg_set_transceiver(&twl->otg);
platform_set_drvdata(pdev, twl);
if (device_create_file(&pdev->dev, &dev_attr_vbus))
dev_warn(&pdev->dev, "could not create sysfs file\n");
/* Our job is to use irqs and status from the power module
* to keep the transceiver disabled when nothing's connected.
*
* FIXME we actually shouldn't start enabling it until the
* USB controller drivers have said they're ready, by calling
* set_host() and/or set_peripheral() ... OTG_capable boards
* need both handles, otherwise just one suffices.
*/
twl->irq_enabled = true;
status = request_irq(twl->irq, twl4030_usb_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"twl4030_usb", twl);
if (status < 0) {
dev_dbg(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq, status);
kfree(twl);
return status;
}
/* The IRQ handler just handles changes from the previous states
* of the ID and VBUS pins ... in probe() we must initialize that
* previous state. The easy way: fake an IRQ.
*
* REVISIT: a real IRQ might have happened already, if PREEMPT is
* enabled. Else the IRQ may not yet be configured or enabled,
* because of scheduling delays.
*/
twl4030_usb_irq(twl->irq, twl);
dev_info(&pdev->dev, "Initialized TWL4030 USB module\n");
return 0;
}
static int __devinit twl4030_usb_probe(struct platform_device *pdev)
{
struct twl4030_usb_data *pdata = pdev->dev.platform_data;
struct twl4030_usb *twl;
int status, err;
#ifdef CONFIG_LGE_OMAP3_EXT_PWR
INIT_WORK(&set_ext_pwr_twl_usb_work, twl_usb_ext_pwr_work);
#endif
#if 1 /* mbk_wake mbk_temp */
// LGE_CHANGE wake lock for usb connection
wake_lock_init(&the_wlock.wake_lock, WAKE_LOCK_SUSPEND, "twl4030_usb_connection");
the_wlock.wake_lock_on=0;
// LGE_CHANGE wake lock for usb connection
// LGE_CHANGE work queue
INIT_DELAYED_WORK(&twl4030_usb_wq, twl4030_usb_wq_func);
// LGE_CHANGE work queue
#endif
if (!pdata) {
dev_dbg(&pdev->dev, "platform_data not available\n");
return -EINVAL;
}
twl = kzalloc(sizeof *twl, GFP_KERNEL);
if (!twl)
return -ENOMEM;
twl->dev = &pdev->dev;
twl->irq = platform_get_irq(pdev, 0);
twl->otg.dev = twl->dev;
twl->otg.label = "twl4030";
twl->otg.set_host = twl4030_set_host;
twl->otg.set_peripheral = twl4030_set_peripheral;
twl->otg.set_suspend = twl4030_set_suspend;
twl->usb_mode = pdata->usb_mode;
twl->asleep = 1;
/* init spinlock for workqueue */
spin_lock_init(&twl->lock);
err = twl4030_usb_ldo_init(twl);
if (err) {
dev_err(&pdev->dev, "ldo init failed\n");
kfree(twl);
return err;
}
otg_set_transceiver(&twl->otg);
platform_set_drvdata(pdev, twl);
if (device_create_file(&pdev->dev, &dev_attr_vbus))
dev_warn(&pdev->dev, "could not create sysfs file\n");
BLOCKING_INIT_NOTIFIER_HEAD(&twl->otg.notifier);
/* Our job is to use irqs and status from the power module
* to keep the transceiver disabled when nothing's connected.
*
* FIXME we actually shouldn't start enabling it until the
* USB controller drivers have said they're ready, by calling
* set_host() and/or set_peripheral() ... OTG_capable boards
* need both handles, otherwise just one suffices.
*/
twl->irq_enabled = true;
status = request_threaded_irq(twl->irq, NULL, twl4030_usb_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"twl4030_usb", twl);
if (status < 0) {
dev_dbg(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq, status);
kfree(twl);
return status;
}
//regulator_enable(twl->usb3v1);
/* The IRQ handler just handles changes from the previous states
* of the ID and VBUS pins ... in probe() we must initialize that
* previous state. The easy way: fake an IRQ.
*
* REVISIT: a real IRQ might have happened already, if PREEMPT is
* enabled. Else the IRQ may not yet be configured or enabled,
* because of scheduling delays.
*/
twl4030_usb_irq(twl->irq, twl);
//if (twl4030_usb_linkstat(twl) == USB_EVENT_NONE) {
// regulator_disable(twl->usb3v1);
//}
//20110829 [email protected] [LS855] reset USB1.8V LDO when phone reset [START]
backuptwl = twl;
//20110829 [email protected] [LS855] reset USB1.8V LDO when phone reset [END]
dev_info(&pdev->dev, "Initialized TWL4030 USB module\n");
return 0;
}
