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usb: otg: twl6030: Start using struct usb_otg

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Use struct usb_otg members with OTG specific functions instead
of usb_phy members.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Hema HK <hemahk@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Heikki Krogerus 2012-02-13 13:24:12 +02:00 • committed by Felipe Balbi
parent 74d4aa4419
commit 46b8f6b0eb
1 changed files with 61 additions and 50 deletions
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111
drivers/usb/otg/twl6030-usb.c
View file

@ -87,7 +87,7 @@
#define VBUS_DET BIT(2) #define VBUS_DET BIT(2)
struct twl6030_usb { struct twl6030_usb {
struct usb_phy otg; struct usb_phy phy;
struct device *dev; struct device *dev;
/* for vbus reporting with irqs disabled */ /* for vbus reporting with irqs disabled */
@ -107,7 +107,7 @@ struct twl6030_usb {
unsigned long features; unsigned long features;
}; };
#define xceiv_to_twl(x) container_of((x), struct twl6030_usb, otg) #define phy_to_twl(x) container_of((x), struct twl6030_usb, phy)
/*-------------------------------------------------------------------------*/ /*-------------------------------------------------------------------------*/
@ -143,7 +143,7 @@ static int twl6030_phy_init(struct usb_phy *x)
struct device *dev; struct device *dev;
struct twl4030_usb_data *pdata; struct twl4030_usb_data *pdata;
twl = xceiv_to_twl(x); twl = phy_to_twl(x);
dev = twl->dev; dev = twl->dev;
pdata = dev->platform_data; pdata = dev->platform_data;
@ -161,7 +161,7 @@ static void twl6030_phy_shutdown(struct usb_phy *x)
struct device *dev; struct device *dev;
struct twl4030_usb_data *pdata; struct twl4030_usb_data *pdata;
twl = xceiv_to_twl(x); twl = phy_to_twl(x);
dev = twl->dev; dev = twl->dev;
pdata = dev->platform_data; pdata = dev->platform_data;
pdata->phy_power(twl->dev, 0, 0); pdata->phy_power(twl->dev, 0, 0);
@ -169,7 +169,7 @@ static void twl6030_phy_shutdown(struct usb_phy *x)
static int twl6030_phy_suspend(struct usb_phy *x, int suspend) static int twl6030_phy_suspend(struct usb_phy *x, int suspend)
{ {
struct twl6030_usb *twl = xceiv_to_twl(x); struct twl6030_usb *twl = phy_to_twl(x);
struct device *dev = twl->dev; struct device *dev = twl->dev;
struct twl4030_usb_data *pdata = dev->platform_data; struct twl4030_usb_data *pdata = dev->platform_data;
@ -178,9 +178,9 @@ static int twl6030_phy_suspend(struct usb_phy *x, int suspend)
return 0; return 0;
} }
static int twl6030_start_srp(struct usb_phy *x) static int twl6030_start_srp(struct usb_otg *otg)
{ {
struct twl6030_usb *twl = xceiv_to_twl(x); struct twl6030_usb *twl = phy_to_twl(otg->phy);
twl6030_writeb(twl, TWL_MODULE_USB, 0x24, USB_VBUS_CTRL_SET); twl6030_writeb(twl, TWL_MODULE_USB, 0x24, USB_VBUS_CTRL_SET);
twl6030_writeb(twl, TWL_MODULE_USB, 0x84, USB_VBUS_CTRL_SET); twl6030_writeb(twl, TWL_MODULE_USB, 0x84, USB_VBUS_CTRL_SET);
@ -256,6 +256,7 @@ static DEVICE_ATTR(vbus, 0444, twl6030_usb_vbus_show, NULL);
static irqreturn_t twl6030_usb_irq(int irq, void *_twl) static irqreturn_t twl6030_usb_irq(int irq, void *_twl)
{ {
struct twl6030_usb *twl = _twl; struct twl6030_usb *twl = _twl;
struct usb_otg *otg = twl->phy.otg;
int status; int status;
u8 vbus_state, hw_state; u8 vbus_state, hw_state;
@ -268,18 +269,18 @@ static irqreturn_t twl6030_usb_irq(int irq, void *_twl)
regulator_enable(twl->usb3v3); regulator_enable(twl->usb3v3);
twl->asleep = 1; twl->asleep = 1;
status = USB_EVENT_VBUS; status = USB_EVENT_VBUS;
twl->otg.default_a = false; otg->default_a = false;
twl->otg.state = OTG_STATE_B_IDLE; twl->phy.state = OTG_STATE_B_IDLE;
twl->linkstat = status; twl->linkstat = status;
twl->otg.last_event = status; twl->phy.last_event = status;
atomic_notifier_call_chain(&twl->otg.notifier, atomic_notifier_call_chain(&twl->phy.notifier,
status, twl->otg.gadget); status, otg->gadget);
} else { } else {
status = USB_EVENT_NONE; status = USB_EVENT_NONE;
twl->linkstat = status; twl->linkstat = status;
twl->otg.last_event = status; twl->phy.last_event = status;
atomic_notifier_call_chain(&twl->otg.notifier, atomic_notifier_call_chain(&twl->phy.notifier,
status, twl->otg.gadget); status, otg->gadget);
if (twl->asleep) { if (twl->asleep) {
regulator_disable(twl->usb3v3); regulator_disable(twl->usb3v3);
twl->asleep = 0; twl->asleep = 0;
@ -294,6 +295,7 @@ static irqreturn_t twl6030_usb_irq(int irq, void *_twl)
static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl) static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl)
{ {
struct twl6030_usb *twl = _twl; struct twl6030_usb *twl = _twl;
struct usb_otg *otg = twl->phy.otg;
int status = USB_EVENT_NONE; int status = USB_EVENT_NONE;
u8 hw_state; u8 hw_state;
@ -307,12 +309,12 @@ static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl)
twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_EN_HI_SET, twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_EN_HI_SET,
0x10); 0x10);
status = USB_EVENT_ID; status = USB_EVENT_ID;
twl->otg.default_a = true; otg->default_a = true;
twl->otg.state = OTG_STATE_A_IDLE; twl->phy.state = OTG_STATE_A_IDLE;
twl->linkstat = status; twl->linkstat = status;
twl->otg.last_event = status; twl->phy.last_event = status;
atomic_notifier_call_chain(&twl->otg.notifier, status, atomic_notifier_call_chain(&twl->phy.notifier, status,
twl->otg.gadget); otg->gadget);
} else { } else {
twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_EN_HI_CLR, twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_EN_HI_CLR,
0x10); 0x10);
@ -324,25 +326,22 @@ static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl)
return IRQ_HANDLED; return IRQ_HANDLED;
} }
static int twl6030_set_peripheral(struct usb_phy *x, static int twl6030_set_peripheral(struct usb_otg *otg,
struct usb_gadget *gadget) struct usb_gadget *gadget)
{ {
struct twl6030_usb *twl; if (!otg)
if (!x)
return -ENODEV; return -ENODEV;
twl = xceiv_to_twl(x); otg->gadget = gadget;
twl->otg.gadget = gadget;
if (!gadget) if (!gadget)
twl->otg.state = OTG_STATE_UNDEFINED; otg->phy->state = OTG_STATE_UNDEFINED;
return 0; return 0;
} }
static int twl6030_enable_irq(struct usb_phy *x) static int twl6030_enable_irq(struct usb_phy *x)
{ {
struct twl6030_usb *twl = xceiv_to_twl(x); struct twl6030_usb *twl = phy_to_twl(x);
twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_EN_HI_SET, 0x1); twl6030_writeb(twl, TWL_MODULE_USB, USB_ID_INT_EN_HI_SET, 0x1);
twl6030_interrupt_unmask(0x05, REG_INT_MSK_LINE_C); twl6030_interrupt_unmask(0x05, REG_INT_MSK_LINE_C);
@ -376,9 +375,9 @@ static void otg_set_vbus_work(struct work_struct *data)
CHARGERUSB_CTRL1); CHARGERUSB_CTRL1);
} }
static int twl6030_set_vbus(struct usb_phy *x, bool enabled) static int twl6030_set_vbus(struct usb_otg *otg, bool enabled)
{ {
struct twl6030_usb *twl = xceiv_to_twl(x); struct twl6030_usb *twl = phy_to_twl(otg->phy);
twl->vbus_enable = enabled; twl->vbus_enable = enabled;
schedule_work(&twl->set_vbus_work); schedule_work(&twl->set_vbus_work);
@ -386,17 +385,14 @@ static int twl6030_set_vbus(struct usb_phy *x, bool enabled)
return 0; return 0;
} }
static int twl6030_set_host(struct usb_phy *x, struct usb_bus *host) static int twl6030_set_host(struct usb_otg *otg, struct usb_bus *host)
{ {
struct twl6030_usb *twl; if (!otg)
if (!x)
return -ENODEV; return -ENODEV;
twl = xceiv_to_twl(x); otg->host = host;
twl->otg.host = host;
if (!host) if (!host)
twl->otg.state = OTG_STATE_UNDEFINED; otg->phy->state = OTG_STATE_UNDEFINED;
return 0; return 0;
} }
@ -405,6 +401,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
struct twl6030_usb *twl; struct twl6030_usb *twl;
int status, err; int status, err;
struct twl4030_usb_data *pdata; struct twl4030_usb_data *pdata;
struct usb_otg *otg;
struct device *dev = &pdev->dev; struct device *dev = &pdev->dev;
pdata = dev->platform_data; pdata = dev->platform_data;
@ -412,19 +409,29 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
if (!twl) if (!twl)
return -ENOMEM; return -ENOMEM;
otg = kzalloc(sizeof *otg, GFP_KERNEL);
if (!otg) {
kfree(twl);
return -ENOMEM;
}
twl->dev = &pdev->dev; twl->dev = &pdev->dev;
twl->irq1 = platform_get_irq(pdev, 0); twl->irq1 = platform_get_irq(pdev, 0);
twl->irq2 = platform_get_irq(pdev, 1); twl->irq2 = platform_get_irq(pdev, 1);
twl->features = pdata->features; twl->features = pdata->features;
twl->otg.dev = twl->dev;
twl->otg.label = "twl6030"; twl->phy.dev = twl->dev;
twl->otg.set_host = twl6030_set_host; twl->phy.label = "twl6030";
twl->otg.set_peripheral = twl6030_set_peripheral; twl->phy.otg = otg;
twl->otg.set_vbus = twl6030_set_vbus; twl->phy.init = twl6030_phy_init;
twl->otg.init = twl6030_phy_init; twl->phy.shutdown = twl6030_phy_shutdown;
twl->otg.shutdown = twl6030_phy_shutdown; twl->phy.set_suspend = twl6030_phy_suspend;
twl->otg.set_suspend = twl6030_phy_suspend;
twl->otg.start_srp = twl6030_start_srp; otg->phy = &twl->phy;
otg->set_host = twl6030_set_host;
otg->set_peripheral = twl6030_set_peripheral;
otg->set_vbus = twl6030_set_vbus;
otg->start_srp = twl6030_start_srp;
/* init spinlock for workqueue */ /* init spinlock for workqueue */
spin_lock_init(&twl->lock); spin_lock_init(&twl->lock);
@ -432,16 +439,17 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
err = twl6030_usb_ldo_init(twl); err = twl6030_usb_ldo_init(twl);
if (err) { if (err) {
dev_err(&pdev->dev, "ldo init failed\n"); dev_err(&pdev->dev, "ldo init failed\n");
kfree(otg);
kfree(twl); kfree(twl);
return err; return err;
} }
otg_set_transceiver(&twl->otg); usb_set_transceiver(&twl->phy);
platform_set_drvdata(pdev, twl); platform_set_drvdata(pdev, twl);
if (device_create_file(&pdev->dev, &dev_attr_vbus)) if (device_create_file(&pdev->dev, &dev_attr_vbus))
dev_warn(&pdev->dev, "could not create sysfs file\n"); dev_warn(&pdev->dev, "could not create sysfs file\n");
ATOMIC_INIT_NOTIFIER_HEAD(&twl->otg.notifier); ATOMIC_INIT_NOTIFIER_HEAD(&twl->phy.notifier);
INIT_WORK(&twl->set_vbus_work, otg_set_vbus_work); INIT_WORK(&twl->set_vbus_work, otg_set_vbus_work);
@ -453,6 +461,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n", dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq1, status); twl->irq1, status);
device_remove_file(twl->dev, &dev_attr_vbus); device_remove_file(twl->dev, &dev_attr_vbus);
kfree(otg);
kfree(twl); kfree(twl);
return status; return status;
} }
@ -465,14 +474,15 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
twl->irq2, status); twl->irq2, status);
free_irq(twl->irq1, twl); free_irq(twl->irq1, twl);
device_remove_file(twl->dev, &dev_attr_vbus); device_remove_file(twl->dev, &dev_attr_vbus);
kfree(otg);
kfree(twl); kfree(twl);
return status; return status;
} }
twl->asleep = 0; twl->asleep = 0;
pdata->phy_init(dev); pdata->phy_init(dev);
twl6030_phy_suspend(&twl->otg, 0); twl6030_phy_suspend(&twl->phy, 0);
twl6030_enable_irq(&twl->otg); twl6030_enable_irq(&twl->phy);
dev_info(&pdev->dev, "Initialized TWL6030 USB module\n"); dev_info(&pdev->dev, "Initialized TWL6030 USB module\n");
return 0; return 0;
@ -496,6 +506,7 @@ static int __exit twl6030_usb_remove(struct platform_device *pdev)
pdata->phy_exit(twl->dev); pdata->phy_exit(twl->dev);
device_remove_file(twl->dev, &dev_attr_vbus); device_remove_file(twl->dev, &dev_attr_vbus);
cancel_work_sync(&twl->set_vbus_work); cancel_work_sync(&twl->set_vbus_work);
kfree(twl->phy.otg);
kfree(twl); kfree(twl);
return 0; return 0;