Flatten brcm63xx patches, should make our life easier to patch files now ;)

[openwrt/svn-archive/archive.git] / target / linux / brcm63xx / files / drivers / usb / host / ehci-bcm63xx.c

diff --git a/target/linux/brcm63xx/files/drivers/usb/host/ehci-bcm63xx.c b/target/linux/brcm63xx/files/drivers/usb/host/ehci-bcm63xx.c
new file mode 100644 (file)
index 0000000..2fef571
--- /dev/null
+++ b/target/linux/brcm63xx/files/drivers/usb/host/ehci-bcm63xx.c
@@ -0,0 +1,152 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+
+static int ehci_bcm63xx_setup(struct usb_hcd *hcd)
+{
+       struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+       int retval;
+
+       retval = ehci_halt(ehci);
+       if (retval)
+               return retval;
+
+       retval = ehci_init(hcd);
+       if (retval)
+               return retval;
+
+       hcd->has_tt = 1;
+       ehci_reset(ehci);
+       ehci_port_power(ehci, 0);
+
+       return retval;
+}
+
+
+static const struct hc_driver ehci_bcm63xx_hc_driver = {
+       .description =          hcd_name,
+       .product_desc =         "BCM63XX integrated EHCI controller",
+       .hcd_priv_size =        sizeof(struct ehci_hcd),
+
+       .irq =                  ehci_irq,
+       .flags =                HCD_MEMORY | HCD_USB2,
+
+       .reset =                ehci_bcm63xx_setup,
+       .start =                ehci_run,
+       .stop =                 ehci_stop,
+       .shutdown =             ehci_shutdown,
+
+       .urb_enqueue =          ehci_urb_enqueue,
+       .urb_dequeue =          ehci_urb_dequeue,
+       .endpoint_disable =     ehci_endpoint_disable,
+
+       .get_frame_number =     ehci_get_frame,
+
+       .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,
+};
+
+static int __devinit ehci_hcd_bcm63xx_drv_probe(struct platform_device *pdev)
+{
+       struct resource *res_mem, *res_irq;
+       struct usb_hcd *hcd;
+       struct ehci_hcd *ehci;
+       u32 reg;
+       int ret;
+
+       res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+       if (!res_mem || !res_irq)
+               return -ENODEV;
+
+       reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_REG);
+       reg &= ~USBH_PRIV_SWAP_EHCI_DATA_MASK;
+       reg |= USBH_PRIV_SWAP_EHCI_ENDN_MASK;
+       bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SWAP_REG);
+
+       /* don't ask... */
+       bcm_rset_writel(RSET_USBH_PRIV, 0x1c0020, USBH_PRIV_TEST_REG);
+
+       hcd = usb_create_hcd(&ehci_bcm63xx_hc_driver, &pdev->dev, "bcm63xx");
+       if (!hcd)
+               return -ENOMEM;
+       hcd->rsrc_start = res_mem->start;
+       hcd->rsrc_len = res_mem->end - res_mem->start + 1;
+
+       if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+               pr_debug("request_mem_region failed\n");
+               ret = -EBUSY;
+               goto out;
+       }
+
+       hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+       if (!hcd->regs) {
+               pr_debug("ioremap failed\n");
+               ret = -EIO;
+               goto out1;
+       }
+
+       ehci = hcd_to_ehci(hcd);
+       ehci->big_endian_mmio = 1;
+       ehci->big_endian_desc = 0;
+       ehci->caps = hcd->regs;
+       ehci->regs = hcd->regs +
+               HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
+       ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
+       ehci->sbrn = 0x20;
+
+       ret = usb_add_hcd(hcd, res_irq->start, IRQF_DISABLED);
+       if (ret)
+               goto out2;
+
+       platform_set_drvdata(pdev, hcd);
+       return 0;
+
+out2:
+       iounmap(hcd->regs);
+out1:
+       release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+out:
+       usb_put_hcd(hcd);
+       return ret;
+}
+
+static int __devexit ehci_hcd_bcm63xx_drv_remove(struct platform_device *pdev)
+{
+       struct usb_hcd *hcd;
+
+       hcd = platform_get_drvdata(pdev);
+       usb_remove_hcd(hcd);
+       iounmap(hcd->regs);
+       usb_put_hcd(hcd);
+       release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+       platform_set_drvdata(pdev, NULL);
+       return 0;
+}
+
+static struct platform_driver ehci_hcd_bcm63xx_driver = {
+       .probe          = ehci_hcd_bcm63xx_drv_probe,
+       .remove         = __devexit_p(ehci_hcd_bcm63xx_drv_remove),
+       .shutdown       = usb_hcd_platform_shutdown,
+       .driver         = {
+               .name   = "bcm63xx_ehci",
+               .owner  = THIS_MODULE,
+               .bus    = &platform_bus_type
+       },
+};
+
+MODULE_ALIAS("platform:bcm63xx_ehci");