/**
* ci13xxx_pci_probe: PCI probe
* @pdev: USB device controller being probed
* @id: PCI hotplug ID connecting controller to UDC framework
*
* This function returns an error code
* Allocates basic PCI resources for this USB device controller, and then
* invokes the udc_probe() method to start the UDC associated with it
*/
static int __devinit ci13xxx_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
void __iomem *regs = NULL;
int retval = 0;
if (id == NULL)
return -EINVAL;
retval = pci_enable_device(pdev);
if (retval)
goto done;
if (!pdev->irq) {
dev_err(&pdev->dev, "No IRQ, check BIOS/PCI setup!");
retval = -ENODEV;
goto disable_device;
}
retval = pci_request_regions(pdev, UDC_DRIVER_NAME);
if (retval)
goto disable_device;
/* BAR 0 holds all the registers */
regs = pci_iomap(pdev, 0, 0);
if (!regs) {
dev_err(&pdev->dev, "Error mapping memory!");
retval = -EFAULT;
goto release_regions;
}
pci_set_drvdata(pdev, (__force void *)regs);
pci_set_master(pdev);
pci_try_set_mwi(pdev);
retval = udc_probe(&ci13xxx_pci_udc_driver, &pdev->dev, regs);
if (retval)
goto iounmap;
/* our device does not have MSI capability */
retval = request_irq(pdev->irq, ci13xxx_pci_irq, IRQF_SHARED,
UDC_DRIVER_NAME, pdev);
if (retval)
goto gadget_remove;
return 0;
gadget_remove:
udc_remove();
iounmap:
pci_iounmap(pdev, regs);
release_regions:
pci_release_regions(pdev);
disable_device:
pci_disable_device(pdev);
done:
return retval;
}
static int ci13xxx_msm_probe(struct platform_device *pdev)
{
struct resource *res;
struct usb_info *ui;
void __iomem *regs;
int irq;
int ret;
dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
ui = kzalloc(sizeof(struct usb_info), GFP_KERNEL);
if (!ui)
return -ENOMEM;
the_usb_info = ui;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get platform resource mem\n");
return -ENXIO;
}
regs = ioremap(res->start, resource_size(res));
if (!regs) {
dev_err(&pdev->dev, "ioremap failed\n");
return -ENOMEM;
}
ret = udc_probe(&ci13xxx_msm_udc_driver, &pdev->dev, regs);
if (ret < 0) {
dev_err(&pdev->dev, "udc_probe failed\n");
goto iounmap;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "IRQ not found\n");
ret = -ENXIO;
goto udc_remove;
}
ret = request_irq(irq, msm_udc_irq, IRQF_SHARED, pdev->name, pdev);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq failed\n");
goto udc_remove;
}
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
udc_remove:
udc_remove();
iounmap:
iounmap(regs);
return ret;
}
static int ci13xxx_msm_probe(struct platform_device *pdev)
{
struct resource *res;
int ret;
struct ci13xxx_platform_data *pdata = pdev->dev.platform_data;
bool is_l1_supported = false;
dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
if (pdata) {
/* Acceptable values for nz_itc are: 0,1,2,4,8,16,32,64 */
if (pdata->log2_itc > CI13XXX_MSM_MAX_LOG2_ITC ||
pdata->log2_itc <= 0)
ci13xxx_msm_udc_driver.nz_itc = 0;
else
ci13xxx_msm_udc_driver.nz_itc =
1 << (pdata->log2_itc-1);
is_l1_supported = pdata->l1_supported;
/* Set ahb2ahb bypass flag if it is requested. */
if (pdata->enable_ahb2ahb_bypass)
ci13xxx_msm_udc_driver.flags |=
CI13XXX_ENABLE_AHB2AHB_BYPASS;
/* Clear disable streaming flag if is requested. */
if (pdata->enable_streaming)
ci13xxx_msm_udc_driver.flags &=
~CI13XXX_DISABLE_STREAMING;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get platform resource mem\n");
return -ENXIO;
}
_udc_ctxt.regs = ioremap(res->start, resource_size(res));
if (!_udc_ctxt.regs) {
dev_err(&pdev->dev, "ioremap failed\n");
return -ENOMEM;
}
ret = udc_probe(&ci13xxx_msm_udc_driver, &pdev->dev, _udc_ctxt.regs);
if (ret < 0) {
dev_err(&pdev->dev, "udc_probe failed\n");
goto iounmap;
}
_udc->gadget.l1_supported = is_l1_supported;
_udc_ctxt.irq = platform_get_irq(pdev, 0);
if (_udc_ctxt.irq < 0) {
dev_err(&pdev->dev, "IRQ not found\n");
ret = -ENXIO;
goto udc_remove;
}
res = platform_get_resource_byname(pdev, IORESOURCE_IO, "USB_RESUME");
/* Get pinctrl if target uses pinctrl */
_udc_ctxt.ci13xxx_pinctrl = devm_pinctrl_get(&pdev->dev);
if (IS_ERR(_udc_ctxt.ci13xxx_pinctrl)) {
if (of_property_read_bool(pdev->dev.of_node, "pinctrl-names")) {
dev_err(&pdev->dev, "Error encountered while getting pinctrl");
ret = PTR_ERR(_udc_ctxt.ci13xxx_pinctrl);
goto udc_remove;
}
dev_dbg(&pdev->dev, "Target does not use pinctrl\n");
_udc_ctxt.ci13xxx_pinctrl = NULL;
}
if (res) {
ret = ci13xxx_msm_install_wake_gpio(pdev, res);
if (ret < 0) {
dev_err(&pdev->dev, "gpio irq install failed\n");
goto udc_remove;
}
}
ret = request_irq(_udc_ctxt.irq, msm_udc_irq, IRQF_SHARED, pdev->name,
pdev);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq failed\n");
goto gpio_uninstall;
}
setup_timer(&_udc_ctxt.irq_enable_timer, enable_usb_irq_timer_func,
(unsigned long)NULL);
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
gpio_uninstall:
ci13xxx_msm_uninstall_wake_gpio(pdev);
udc_remove:
udc_remove();
iounmap:
iounmap(_udc_ctxt.regs);
return ret;
}
static int ci13xxx_msm_probe(struct platform_device *pdev)
{
struct resource *res;
int ret;
dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get platform resource mem\n");
return -ENXIO;
}
_udc_ctxt.regs = ioremap(res->start, resource_size(res));
if (!_udc_ctxt.regs) {
dev_err(&pdev->dev, "ioremap failed\n");
return -ENOMEM;
}
ret = udc_probe(&ci13xxx_msm_udc_driver, &pdev->dev, _udc_ctxt.regs);
if (ret < 0) {
dev_err(&pdev->dev, "udc_probe failed\n");
goto iounmap;
}
_udc_ctxt.irq = platform_get_irq(pdev, 0);
if (_udc_ctxt.irq < 0) {
dev_err(&pdev->dev, "IRQ not found\n");
ret = -ENXIO;
goto udc_remove;
}
res = platform_get_resource_byname(pdev, IORESOURCE_IO, "USB_RESUME");
if (res) {
ret = ci13xxx_msm_install_wake_gpio(pdev, res);
if (ret < 0) {
dev_err(&pdev->dev, "gpio irq install failed\n");
goto udc_remove;
}
}
ret = request_irq(_udc_ctxt.irq, msm_udc_irq, IRQF_SHARED, pdev->name,
pdev);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq failed\n");
goto gpio_uninstall;
}
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
gpio_uninstall:
ci13xxx_msm_uninstall_wake_gpio(pdev);
udc_remove:
udc_remove();
iounmap:
iounmap(_udc_ctxt.regs);
return ret;
}
static int ci13xxx_msm_probe(struct platform_device *pdev)
{
struct resource *res;
int ret;
#ifdef CONFIG_MACH_HTC
struct usb_info *ui;
#endif
dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
#ifdef CONFIG_MACH_HTC
ui = kzalloc(sizeof(struct usb_info), GFP_KERNEL);
if (!ui)
return -ENOMEM;
the_usb_info = ui;
#endif
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get platform resource mem\n");
return -ENXIO;
}
_udc_ctxt.regs = ioremap(res->start, resource_size(res));
if (!_udc_ctxt.regs) {
dev_err(&pdev->dev, "ioremap failed\n");
return -ENOMEM;
}
ret = udc_probe(&ci13xxx_msm_udc_driver, &pdev->dev, _udc_ctxt.regs);
if (ret < 0) {
dev_err(&pdev->dev, "udc_probe failed\n");
goto iounmap;
}
_udc_ctxt.irq = platform_get_irq(pdev, 0);
if (_udc_ctxt.irq < 0) {
dev_err(&pdev->dev, "IRQ not found\n");
ret = -ENXIO;
goto udc_remove;
}
res = platform_get_resource_byname(pdev, IORESOURCE_IO, "USB_RESUME");
if (res) {
ret = ci13xxx_msm_install_wake_gpio(pdev, res);
if (ret < 0) {
dev_err(&pdev->dev, "gpio irq install failed\n");
goto udc_remove;
}
}
ret = request_irq(_udc_ctxt.irq, msm_udc_irq, IRQF_SHARED, pdev->name,
pdev);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq failed\n");
goto gpio_uninstall;
}
#ifdef CONFIG_MACH_HTC
INIT_DELAYED_WORK(&ui->chg_stop, usb_chg_stop);
#endif
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
gpio_uninstall:
ci13xxx_msm_uninstall_wake_gpio(pdev);
udc_remove:
udc_remove();
iounmap:
iounmap(_udc_ctxt.regs);
return ret;
}
static int ci13xxx_msm_probe(struct platform_device *pdev)
{
struct resource *res;
int ret;
struct ci13xxx_platform_data *pdata = pdev->dev.platform_data;
bool is_l1_supported = false;
dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
if (pdata) {
/* Acceptable values for nz_itc are: 0,1,2,4,8,16,32,64 */
if (pdata->log2_itc > CI13XXX_MSM_MAX_LOG2_ITC ||
pdata->log2_itc <= 0)
ci13xxx_msm_udc_driver.nz_itc = 0;
else
ci13xxx_msm_udc_driver.nz_itc =
1 << (pdata->log2_itc-1);
is_l1_supported = pdata->l1_supported;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get platform resource mem\n");
return -ENXIO;
}
_udc_ctxt.regs = ioremap(res->start, resource_size(res));
if (!_udc_ctxt.regs) {
dev_err(&pdev->dev, "ioremap failed\n");
return -ENOMEM;
}
ret = udc_probe(&ci13xxx_msm_udc_driver, &pdev->dev, _udc_ctxt.regs);
if (ret < 0) {
dev_err(&pdev->dev, "udc_probe failed\n");
goto iounmap;
}
_udc->gadget.l1_supported = is_l1_supported;
_udc_ctxt.irq = platform_get_irq(pdev, 0);
if (_udc_ctxt.irq < 0) {
dev_err(&pdev->dev, "IRQ not found\n");
ret = -ENXIO;
goto udc_remove;
}
res = platform_get_resource_byname(pdev, IORESOURCE_IO, "USB_RESUME");
if (res) {
ret = ci13xxx_msm_install_wake_gpio(pdev, res);
if (ret < 0) {
dev_err(&pdev->dev, "gpio irq install failed\n");
goto udc_remove;
}
}
ret = request_irq(_udc_ctxt.irq, msm_udc_irq, IRQF_SHARED, pdev->name,
pdev);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq failed\n");
goto gpio_uninstall;
}
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
gpio_uninstall:
ci13xxx_msm_uninstall_wake_gpio(pdev);
udc_remove:
udc_remove();
iounmap:
iounmap(_udc_ctxt.regs);
return ret;
}
static int ci13xxx_msm_probe(struct platform_device *pdev)
{
struct resource *res;
int ret, rc;
int itc_level = 0;
dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
if (pdev->dev.of_node) {
rc = of_property_read_u32(pdev->dev.of_node, "qcom,itc-level",
&itc_level);
/* Acceptable values for nz_itc are: 0,1,2,4,8,16,32,64 */
if (itc_level > CI13XXX_MSM_MAX_ITC_LEVEL || rc)
ci13xxx_msm_udc_driver.nz_itc = 0;
else
ci13xxx_msm_udc_driver.nz_itc = 1 << itc_level;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get platform resource mem\n");
return -ENXIO;
}
_udc_ctxt.regs = ioremap(res->start, resource_size(res));
if (!_udc_ctxt.regs) {
dev_err(&pdev->dev, "ioremap failed\n");
return -ENOMEM;
}
ret = udc_probe(&ci13xxx_msm_udc_driver, &pdev->dev, _udc_ctxt.regs);
if (ret < 0) {
dev_err(&pdev->dev, "udc_probe failed\n");
goto iounmap;
}
_udc_ctxt.irq = platform_get_irq(pdev, 0);
if (_udc_ctxt.irq < 0) {
dev_err(&pdev->dev, "IRQ not found\n");
ret = -ENXIO;
goto udc_remove;
}
res = platform_get_resource_byname(pdev, IORESOURCE_IO, "USB_RESUME");
if (res) {
ret = ci13xxx_msm_install_wake_gpio(pdev, res);
if (ret < 0) {
dev_err(&pdev->dev, "gpio irq install failed\n");
goto udc_remove;
}
}
ret = request_irq(_udc_ctxt.irq, msm_udc_irq, IRQF_SHARED, pdev->name,
pdev);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq failed\n");
goto gpio_uninstall;
}
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
gpio_uninstall:
ci13xxx_msm_uninstall_wake_gpio(pdev);
udc_remove:
udc_remove();
iounmap:
iounmap(_udc_ctxt.regs);
return ret;
}
static int ci13xxx_msm_probe(struct platform_device *pdev)
{
struct resource *res;
int ret;
struct ci13xxx_platform_data *pdata = pdev->dev.platform_data;
bool is_l1_supported = false;
dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
if (pdata) {
/* Acceptable values for nz_itc are: 0,1,2,4,8,16,32,64 */
if (pdata->log2_itc > CI13XXX_MSM_MAX_LOG2_ITC ||
pdata->log2_itc <= 0)
ci13xxx_msm_udc_driver.nz_itc = 0;
else
ci13xxx_msm_udc_driver.nz_itc =
1 << (pdata->log2_itc-1);
is_l1_supported = pdata->l1_supported;
/* Set ahb2ahb bypass flag if it is requested. */
if (pdata->enable_ahb2ahb_bypass)
ci13xxx_msm_udc_driver.flags |=
CI13XXX_ENABLE_AHB2AHB_BYPASS;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get platform resource mem\n");
return -ENXIO;
}
_udc_ctxt.regs = ioremap(res->start, resource_size(res));
if (!_udc_ctxt.regs) {
dev_err(&pdev->dev, "ioremap failed\n");
return -ENOMEM;
}
ret = udc_probe(&ci13xxx_msm_udc_driver, &pdev->dev, _udc_ctxt.regs);
if (ret < 0) {
dev_err(&pdev->dev, "udc_probe failed\n");
goto iounmap;
}
_udc->gadget.l1_supported = is_l1_supported;
_udc_ctxt.irq = platform_get_irq(pdev, 0);
if (_udc_ctxt.irq < 0) {
dev_err(&pdev->dev, "IRQ not found\n");
ret = -ENXIO;
goto udc_remove;
}
res = platform_get_resource_byname(pdev, IORESOURCE_IO, "USB_RESUME");
if (res) {
ret = ci13xxx_msm_install_wake_gpio(pdev, res);
if (ret < 0) {
dev_err(&pdev->dev, "gpio irq install failed\n");
goto udc_remove;
}
}
ret = request_irq(_udc_ctxt.irq, msm_udc_irq, IRQF_SHARED, pdev->name,
pdev);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq failed\n");
goto gpio_uninstall;
}
#ifdef CONFIG_USB_G_LGE_ANDROID
wake_lock_init(&_udc_ctxt.wlock, WAKE_LOCK_SUSPEND, "usb_bus_active");
INIT_DELAYED_WORK(&_udc_ctxt.wunlock_w, wunlock_w);
#endif
#ifdef CONFIG_LGE_PM_VZW_FAST_CHG
INIT_DELAYED_WORK(&usb_detect_w, usb_detect_work);
#endif
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
gpio_uninstall:
ci13xxx_msm_uninstall_wake_gpio(pdev);
udc_remove:
udc_remove();
iounmap:
iounmap(_udc_ctxt.regs);
return ret;
}