hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

usb: otg: gpio_vbus: Start using struct usb_otg 

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

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Heikki Krogerus 2012-02-13 13:24:07 +02:00 committed by Felipe Balbi
parent 7e062c0f88
commit 16bc1bb2d8
1 changed files with 36 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
drivers/usb/otg/gpio_vbus.c
View File

@ -32,7 +32,7 @@
* Needs to be loaded before the UDC driver that will use it. * Needs to be loaded before the UDC driver that will use it.
*/ */
struct gpio_vbus_data { struct gpio_vbus_data {
struct usb_phy otg; struct usb_phy phy;
struct device *dev; struct device *dev;
struct regulator *vbus_draw; struct regulator *vbus_draw;
int vbus_draw_enabled; int vbus_draw_enabled;
@ -98,7 +98,7 @@ static void gpio_vbus_work(struct work_struct *work)
struct gpio_vbus_mach_info *pdata = gpio_vbus->dev->platform_data; struct gpio_vbus_mach_info *pdata = gpio_vbus->dev->platform_data;
int gpio; int gpio;
if (!gpio_vbus->otg.gadget) if (!gpio_vbus->phy.otg->gadget)
return; return;
/* Peripheral controllers which manage the pullup themselves won't have /* Peripheral controllers which manage the pullup themselves won't have
@ -108,8 +108,8 @@ static void gpio_vbus_work(struct work_struct *work)
*/ */
gpio = pdata->gpio_pullup; gpio = pdata->gpio_pullup;
if (is_vbus_powered(pdata)) { if (is_vbus_powered(pdata)) {
gpio_vbus->otg.state = OTG_STATE_B_PERIPHERAL; gpio_vbus->phy.state = OTG_STATE_B_PERIPHERAL;
usb_gadget_vbus_connect(gpio_vbus->otg.gadget); usb_gadget_vbus_connect(gpio_vbus->phy.otg->gadget);
/* drawing a "unit load" is *always* OK, except for OTG */ /* drawing a "unit load" is *always* OK, except for OTG */
set_vbus_draw(gpio_vbus, 100); set_vbus_draw(gpio_vbus, 100);
@ -124,8 +124,8 @@ static void gpio_vbus_work(struct work_struct *work)
set_vbus_draw(gpio_vbus, 0); set_vbus_draw(gpio_vbus, 0);
usb_gadget_vbus_disconnect(gpio_vbus->otg.gadget); usb_gadget_vbus_disconnect(gpio_vbus->phy.otg->gadget);
gpio_vbus->otg.state = OTG_STATE_B_IDLE; gpio_vbus->phy.state = OTG_STATE_B_IDLE;
} }
} }
@ -135,12 +135,13 @@ static irqreturn_t gpio_vbus_irq(int irq, void *data)
struct platform_device *pdev = data; struct platform_device *pdev = data;
struct gpio_vbus_mach_info *pdata = pdev->dev.platform_data; struct gpio_vbus_mach_info *pdata = pdev->dev.platform_data;
struct gpio_vbus_data *gpio_vbus = platform_get_drvdata(pdev); struct gpio_vbus_data *gpio_vbus = platform_get_drvdata(pdev);
struct usb_otg *otg = gpio_vbus->phy.otg;
dev_dbg(&pdev->dev, "VBUS %s (gadget: %s)\n", dev_dbg(&pdev->dev, "VBUS %s (gadget: %s)\n",
is_vbus_powered(pdata) ? "supplied" : "inactive", is_vbus_powered(pdata) ? "supplied" : "inactive",
gpio_vbus->otg.gadget ? gpio_vbus->otg.gadget->name : "none"); otg->gadget ? otg->gadget->name : "none");
if (gpio_vbus->otg.gadget) if (otg->gadget)
schedule_work(&gpio_vbus->work); schedule_work(&gpio_vbus->work);
return IRQ_HANDLED; return IRQ_HANDLED;
@ -149,15 +150,15 @@ static irqreturn_t gpio_vbus_irq(int irq, void *data)
/* OTG transceiver interface */ /* OTG transceiver interface */
/* bind/unbind the peripheral controller */ /* bind/unbind the peripheral controller */
static int gpio_vbus_set_peripheral(struct usb_phy *otg, static int gpio_vbus_set_peripheral(struct usb_otg *otg,
struct usb_gadget *gadget) struct usb_gadget *gadget)
{ {
struct gpio_vbus_data *gpio_vbus; struct gpio_vbus_data *gpio_vbus;
struct gpio_vbus_mach_info *pdata; struct gpio_vbus_mach_info *pdata;
struct platform_device *pdev; struct platform_device *pdev;
int gpio, irq; int gpio, irq;
gpio_vbus = container_of(otg, struct gpio_vbus_data, otg); gpio_vbus = container_of(otg->phy, struct gpio_vbus_data, phy);
pdev = to_platform_device(gpio_vbus->dev); pdev = to_platform_device(gpio_vbus->dev);
pdata = gpio_vbus->dev->platform_data; pdata = gpio_vbus->dev->platform_data;
irq = gpio_to_irq(pdata->gpio_vbus); irq = gpio_to_irq(pdata->gpio_vbus);
@ -174,7 +175,7 @@ static int gpio_vbus_set_peripheral(struct usb_phy *otg,
set_vbus_draw(gpio_vbus, 0); set_vbus_draw(gpio_vbus, 0);
usb_gadget_vbus_disconnect(otg->gadget); usb_gadget_vbus_disconnect(otg->gadget);
otg->state = OTG_STATE_UNDEFINED; otg->phy->state = OTG_STATE_UNDEFINED;
otg->gadget = NULL; otg->gadget = NULL;
return 0; return 0;
@ -189,23 +190,23 @@ static int gpio_vbus_set_peripheral(struct usb_phy *otg,
} }
/* effective for B devices, ignored for A-peripheral */ /* effective for B devices, ignored for A-peripheral */
static int gpio_vbus_set_power(struct usb_phy *otg, unsigned mA) static int gpio_vbus_set_power(struct usb_phy *phy, unsigned mA)
{ {
struct gpio_vbus_data *gpio_vbus; struct gpio_vbus_data *gpio_vbus;
gpio_vbus = container_of(otg, struct gpio_vbus_data, otg); gpio_vbus = container_of(phy, struct gpio_vbus_data, phy);
if (otg->state == OTG_STATE_B_PERIPHERAL) if (phy->state == OTG_STATE_B_PERIPHERAL)
set_vbus_draw(gpio_vbus, mA); set_vbus_draw(gpio_vbus, mA);
return 0; return 0;
} }
/* for non-OTG B devices: set/clear transceiver suspend mode */ /* for non-OTG B devices: set/clear transceiver suspend mode */
static int gpio_vbus_set_suspend(struct usb_phy *otg, int suspend) static int gpio_vbus_set_suspend(struct usb_phy *phy, int suspend)
{ {
struct gpio_vbus_data *gpio_vbus; struct gpio_vbus_data *gpio_vbus;
gpio_vbus = container_of(otg, struct gpio_vbus_data, otg); gpio_vbus = container_of(phy, struct gpio_vbus_data, phy);
/* draw max 0 mA from vbus in suspend mode; or the previously /* draw max 0 mA from vbus in suspend mode; or the previously
* recorded amount of current if not suspended * recorded amount of current if not suspended
@ -213,7 +214,7 @@ static int gpio_vbus_set_suspend(struct usb_phy *otg, int suspend)
* NOTE: high powered configs (mA > 100) may draw up to 2.5 mA * NOTE: high powered configs (mA > 100) may draw up to 2.5 mA
* if they're wake-enabled ... we don't handle that yet. * if they're wake-enabled ... we don't handle that yet.
*/ */
return gpio_vbus_set_power(otg, suspend ? 0 : gpio_vbus->mA); return gpio_vbus_set_power(phy, suspend ? 0 : gpio_vbus->mA);
} }
/* platform driver interface */ /* platform driver interface */
@ -233,13 +234,21 @@ static int __init gpio_vbus_probe(struct platform_device *pdev)
if (!gpio_vbus) if (!gpio_vbus)
return -ENOMEM; return -ENOMEM;
gpio_vbus->phy.otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL);
if (!gpio_vbus->phy.otg) {
kfree(gpio_vbus);
return -ENOMEM;
}
platform_set_drvdata(pdev, gpio_vbus); platform_set_drvdata(pdev, gpio_vbus);
gpio_vbus->dev = &pdev->dev; gpio_vbus->dev = &pdev->dev;
gpio_vbus->otg.label = "gpio-vbus"; gpio_vbus->phy.label = "gpio-vbus";
gpio_vbus->otg.state = OTG_STATE_UNDEFINED; gpio_vbus->phy.set_power = gpio_vbus_set_power;
gpio_vbus->otg.set_peripheral = gpio_vbus_set_peripheral; gpio_vbus->phy.set_suspend = gpio_vbus_set_suspend;
gpio_vbus->otg.set_power = gpio_vbus_set_power; gpio_vbus->phy.state = OTG_STATE_UNDEFINED;
gpio_vbus->otg.set_suspend = gpio_vbus_set_suspend;
gpio_vbus->phy.otg->phy = &gpio_vbus->phy;
gpio_vbus->phy.otg->set_peripheral = gpio_vbus_set_peripheral;
err = gpio_request(gpio, "vbus_detect"); err = gpio_request(gpio, "vbus_detect");
if (err) { if (err) {
@ -288,7 +297,7 @@ static int __init gpio_vbus_probe(struct platform_device *pdev)
} }
/* only active when a gadget is registered */ /* only active when a gadget is registered */
err = otg_set_transceiver(&gpio_vbus->otg); err = usb_set_transceiver(&gpio_vbus->phy);
if (err) { if (err) {
dev_err(&pdev->dev, "can't register transceiver, err: %d\n", dev_err(&pdev->dev, "can't register transceiver, err: %d\n",
err); err);
@ -304,6 +313,7 @@ err_irq:
gpio_free(pdata->gpio_vbus); gpio_free(pdata->gpio_vbus);
err_gpio: err_gpio:
platform_set_drvdata(pdev, NULL); platform_set_drvdata(pdev, NULL);
kfree(gpio_vbus->phy.otg);
kfree(gpio_vbus); kfree(gpio_vbus);
return err; return err;
} }
@ -316,13 +326,14 @@ static int __exit gpio_vbus_remove(struct platform_device *pdev)
regulator_put(gpio_vbus->vbus_draw); regulator_put(gpio_vbus->vbus_draw);
otg_set_transceiver(NULL); usb_set_transceiver(NULL);
free_irq(gpio_to_irq(gpio), &pdev->dev); free_irq(gpio_to_irq(gpio), &pdev->dev);
if (gpio_is_valid(pdata->gpio_pullup)) if (gpio_is_valid(pdata->gpio_pullup))
gpio_free(pdata->gpio_pullup); gpio_free(pdata->gpio_pullup);
gpio_free(gpio); gpio_free(gpio);
platform_set_drvdata(pdev, NULL); platform_set_drvdata(pdev, NULL);
kfree(gpio_vbus->phy.otg);
kfree(gpio_vbus); kfree(gpio_vbus);
return 0; return 0;