diff options
Diffstat (limited to 'drivers/usb/host/ehci-s5p.c')
| -rw-r--r-- | drivers/usb/host/ehci-s5p.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c deleted file mode 100644 index e3374c8f7b3..00000000000 --- a/drivers/usb/host/ehci-s5p.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * SAMSUNG S5P USB HOST EHCI Controller - * - * Copyright (C) 2011 Samsung Electronics Co.Ltd - * Author: Jingoo Han <jg1.han@samsung.com> - * Author: Joonyoung Shim <jy0922.shim@samsung.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ - -#include <linux/clk.h> -#include <linux/platform_device.h> -#include <mach/regs-pmu.h> -#include <plat/cpu.h> -#include <plat/ehci.h> -#include <plat/usb-phy.h> - -struct s5p_ehci_hcd { - struct device *dev; - struct usb_hcd *hcd; - struct clk *clk; -}; - -static const struct hc_driver s5p_ehci_hc_driver = { - .description = hcd_name, - .product_desc = "S5P EHCI Host Controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - - .reset = ehci_init, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - - .get_frame_number = ehci_get_frame, - - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, - - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int __devinit s5p_ehci_probe(struct platform_device *pdev) -{ - struct s5p_ehci_platdata *pdata; - struct s5p_ehci_hcd *s5p_ehci; - struct usb_hcd *hcd; - struct ehci_hcd *ehci; - struct resource *res; - int irq; - int err; - - pdata = pdev->dev.platform_data; - if (!pdata) { - dev_err(&pdev->dev, "No platform data defined\n"); - return -EINVAL; - } - - s5p_ehci = kzalloc(sizeof(struct s5p_ehci_hcd), GFP_KERNEL); - if (!s5p_ehci) - return -ENOMEM; - - s5p_ehci->dev = &pdev->dev; - - hcd = usb_create_hcd(&s5p_ehci_hc_driver, &pdev->dev, - dev_name(&pdev->dev)); - if (!hcd) { - dev_err(&pdev->dev, "Unable to create HCD\n"); - err = -ENOMEM; - goto fail_hcd; - } - - s5p_ehci->clk = clk_get(&pdev->dev, "usbhost"); - - if (IS_ERR(s5p_ehci->clk)) { - dev_err(&pdev->dev, "Failed to get usbhost clock\n"); - err = PTR_ERR(s5p_ehci->clk); - goto fail_clk; - } - - err = clk_enable(s5p_ehci->clk); - if (err) - goto fail_clken; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "Failed to get I/O memory\n"); - err = -ENXIO; - goto fail_io; - } - - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - hcd->regs = ioremap(res->start, resource_size(res)); - if (!hcd->regs) { - dev_err(&pdev->dev, "Failed to remap I/O memory\n"); - err = -ENOMEM; - goto fail_io; - } - - irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "Failed to get IRQ\n"); - err = -ENODEV; - goto fail; - } - - if (pdata->phy_init) - pdata->phy_init(pdev, S5P_USB_PHY_HOST); - - ehci = hcd_to_ehci(hcd); - ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); - - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = readl(&ehci->caps->hcs_params); - - err = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED); - if (err) { - dev_err(&pdev->dev, "Failed to add USB HCD\n"); - goto fail; - } - - platform_set_drvdata(pdev, s5p_ehci); - - return 0; - -fail: - iounmap(hcd->regs); -fail_io: - clk_disable(s5p_ehci->clk); -fail_clken: - clk_put(s5p_ehci->clk); -fail_clk: - usb_put_hcd(hcd); -fail_hcd: - kfree(s5p_ehci); - return err; -} - -static int __devexit s5p_ehci_remove(struct platform_device *pdev) -{ - struct s5p_ehci_platdata *pdata = pdev->dev.platform_data; - struct s5p_ehci_hcd *s5p_ehci = platform_get_drvdata(pdev); - struct usb_hcd *hcd = s5p_ehci->hcd; - - usb_remove_hcd(hcd); - - if (pdata && pdata->phy_exit) - pdata->phy_exit(pdev, S5P_USB_PHY_HOST); - - iounmap(hcd->regs); - - clk_disable(s5p_ehci->clk); - clk_put(s5p_ehci->clk); - - usb_put_hcd(hcd); - kfree(s5p_ehci); - - return 0; -} - -static void s5p_ehci_shutdown(struct platform_device *pdev) -{ - struct s5p_ehci_hcd *s5p_ehci = platform_get_drvdata(pdev); - struct usb_hcd *hcd = s5p_ehci->hcd; - - if (hcd->driver->shutdown) - hcd->driver->shutdown(hcd); -} - -static struct platform_driver s5p_ehci_driver = { - .probe = s5p_ehci_probe, - .remove = __devexit_p(s5p_ehci_remove), - .shutdown = s5p_ehci_shutdown, - .driver = { - .name = "s5p-ehci", - .owner = THIS_MODULE, - } -}; - -MODULE_ALIAS("platform:s5p-ehci"); |