USB: PS3: USB system-bus rework

[linux-2.6-omap-h63xx.git] / drivers / usb / host / ehci-ps3.c

diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c
index 37b83ba099695d7cc5dc51fb6ebb94ee8e26c8ec..829fe649a981fdc03ad6f5cb64df4f9f0b8e4024 100644 (file)
--- a/drivers/usb/host/ehci-ps3.c
+++ b/drivers/usb/host/ehci-ps3.c
@@ -18,6 +18,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <asm/firmware.h>
 #include <asm/ps3.h>
 
 static int ps3_ehci_hc_reset(struct usb_hcd *hcd)
@@ -73,7 +74,7 @@ static const struct hc_driver ps3_ehci_hc_driver = {
 #endif
 };
 
-static int ps3_ehci_sb_probe(struct ps3_system_bus_device *dev)
+static int ps3_ehci_probe(struct ps3_system_bus_device *dev)
 {
        int result;
        struct usb_hcd *hcd;
@@ -85,13 +86,30 @@ static int ps3_ehci_sb_probe(struct ps3_system_bus_device *dev)
                goto fail_start;
        }
 
+       result = ps3_open_hv_device(dev);
+
+       if (result) {
+               dev_dbg(&dev->core, "%s:%d: ps3_open_hv_device failed\n",
+                       __func__, __LINE__);
+               goto fail_open;
+       }
+
+       result = ps3_dma_region_create(dev->d_region);
+
+       if (result) {
+               dev_dbg(&dev->core, "%s:%d: ps3_dma_region_create failed: "
+                       "(%d)\n", __func__, __LINE__, result);
+               BUG_ON("check region type");
+               goto fail_dma_region;
+       }
+
        result = ps3_mmio_region_create(dev->m_region);
 
        if (result) {
                dev_dbg(&dev->core, "%s:%d: ps3_map_mmio_region failed\n",
                        __func__, __LINE__);
                result = -EPERM;
-               goto fail_mmio;
+               goto fail_mmio_region;
        }
 
        dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__,
@@ -120,6 +138,11 @@ static int ps3_ehci_sb_probe(struct ps3_system_bus_device *dev)
 
        hcd->rsrc_start = dev->m_region->lpar_addr;
        hcd->rsrc_len = dev->m_region->len;
+
+       if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name))
+               dev_dbg(&dev->core, "%s:%d: request_mem_region failed\n",
+                       __func__, __LINE__);
+
        hcd->regs = ioremap(dev->m_region->lpar_addr, dev->m_region->len);
 
        if (!hcd->regs) {
@@ -153,34 +176,73 @@ static int ps3_ehci_sb_probe(struct ps3_system_bus_device *dev)
 fail_add_hcd:
        iounmap(hcd->regs);
 fail_ioremap:
+       release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
        usb_put_hcd(hcd);
 fail_create_hcd:
        ps3_io_irq_destroy(virq);
 fail_irq:
        ps3_free_mmio_region(dev->m_region);
-fail_mmio:
+fail_mmio_region:
+       ps3_dma_region_free(dev->d_region);
+fail_dma_region:
+       ps3_close_hv_device(dev);
+fail_open:
 fail_start:
        return result;
 }
 
-static int ps3_ehci_sb_remove(struct ps3_system_bus_device *dev)
+static int ps3_ehci_remove(struct ps3_system_bus_device *dev)
 {
+       unsigned int tmp;
        struct usb_hcd *hcd =
                (struct usb_hcd *)ps3_system_bus_get_driver_data(dev);
 
-       usb_put_hcd(hcd);
+       BUG_ON(!hcd);
+
+       dev_dbg(&dev->core, "%s:%d: regs %p\n", __func__, __LINE__, hcd->regs);
+       dev_dbg(&dev->core, "%s:%d: irq %u\n", __func__, __LINE__, hcd->irq);
+
+       tmp = hcd->irq;
+
+       usb_remove_hcd(hcd);
+
        ps3_system_bus_set_driver_data(dev, NULL);
 
+       BUG_ON(!hcd->regs);
+       iounmap(hcd->regs);
+
+       release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+       usb_put_hcd(hcd);
+
+       ps3_io_irq_destroy(tmp);
+       ps3_free_mmio_region(dev->m_region);
+
+       ps3_dma_region_free(dev->d_region);
+       ps3_close_hv_device(dev);
+
        return 0;
 }
 
-MODULE_ALIAS("ps3-ehci");
+static int ps3_ehci_driver_register(struct ps3_system_bus_driver *drv)
+{
+       return firmware_has_feature(FW_FEATURE_PS3_LV1)
+               ? ps3_system_bus_driver_register(drv)
+               : 0;
+}
+
+static void ps3_ehci_driver_unregister(struct ps3_system_bus_driver *drv)
+{
+       if (firmware_has_feature(FW_FEATURE_PS3_LV1))
+               ps3_system_bus_driver_unregister(drv);
+}
+
+MODULE_ALIAS(PS3_MODULE_ALIAS_EHCI);
 
-static struct ps3_system_bus_driver ps3_ehci_sb_driver = {
+static struct ps3_system_bus_driver ps3_ehci_driver = {
+       .core.name = "ps3-ehci-driver",
+       .core.owner = THIS_MODULE,
        .match_id = PS3_MATCH_ID_EHCI,
-       .core = {
-               .name = "ps3-ehci-driver",
-       },
-       .probe = ps3_ehci_sb_probe,
-       .remove = ps3_ehci_sb_remove,
+       .probe = ps3_ehci_probe,
+       .remove = ps3_ehci_remove,
+       .shutdown = ps3_ehci_remove,
 };