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authorGreg Kroah-Hartman <gregkh@suse.de>2011-12-12 15:19:40 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2011-12-12 15:19:53 -0800
commit007d00d4c11b30b8fd7ff23b9d5aed3743e41f74 (patch)
treed5c307ba2ee0e2f56fbc284db21b8bccf95d8a40 /drivers/usb/dwc3/host.c
parentc91043adaf50ef13609003120f3471783460fb71 (diff)
parent68d3e668d245bb8300c7c6ddbc8508ddfe352e0f (diff)
downloadolio-linux-3.10-007d00d4c11b30b8fd7ff23b9d5aed3743e41f74.tar.xz
olio-linux-3.10-007d00d4c11b30b8fd7ff23b9d5aed3743e41f74.zip
Merge branch 'for-next/dwc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
* 'for-next/dwc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (392 commits) usb: dwc3: ep0: fix for possible early delayed_status usb: dwc3: gadget: fix stream enable bit usb: dwc3: ep0: fix GetStatus handling (again) usb: dwc3: ep0: use dwc3_request for ep0 requsts instead of usb_request usb: dwc3: use correct hwparam register for power mgm check usb: dwc3: omap: move to module_platform_driver usb: dwc3: workaround: missing disconnect event usb: dwc3: workaround: missing USB3 Reset event usb: dwc3: workaround: U1/U2 -> U0 transiton usb: dwc3: gadget: return early in dwc3_cleanup_done_reqs() usb: dwc3: ep0: handle delayed_status again usb: dwc3: ep0: push ep0state into xfernotready processing usb: dwc3: fix sparse errors usb: dwc3: fix few coding style problems usb: dwc3: move generic dwc3 code from gadget into core usb: dwc3: use a helper function for operation mode setting usb: dwc3: ep0: don't use ep0in for transfers usb: dwc3: ep0: use proper endianess in SetFeature for wIndex usb: dwc3: core: drop DWC3_EVENT_BUFFERS_MAX usb: dwc3: omap: add multiple instances support to OMAP ...
Diffstat (limited to 'drivers/usb/dwc3/host.c')
-rw-r--r--drivers/usb/dwc3/host.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
new file mode 100644
index 00000000000..7cfe211b6c3
--- /dev/null
+++ b/drivers/usb/dwc3/host.c
@@ -0,0 +1,102 @@
+/**
+ * host.c - DesignWare USB3 DRD Controller Host Glue
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * Authors: Felipe Balbi <balbi@ti.com>,
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The names of the above-listed copyright holders may not be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2, as published by the Free
+ * Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <linux/platform_device.h>
+
+#include "core.h"
+
+static struct resource generic_resources[] = {
+ {
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+int dwc3_host_init(struct dwc3 *dwc)
+{
+ struct platform_device *xhci;
+ int ret;
+
+ xhci = platform_device_alloc("xhci", -1);
+ if (!xhci) {
+ dev_err(dwc->dev, "couldn't allocate xHCI device\n");
+ ret = -ENOMEM;
+ goto err0;
+ }
+
+ dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask);
+
+ xhci->dev.parent = dwc->dev;
+ xhci->dev.dma_mask = dwc->dev->dma_mask;
+ xhci->dev.dma_parms = dwc->dev->dma_parms;
+
+ dwc->xhci = xhci;
+
+ /* setup resources */
+ generic_resources[0].start = dwc->irq;
+
+ generic_resources[1].start = dwc->res->start;
+ generic_resources[1].end = dwc->res->start + 0x7fff;
+
+ ret = platform_device_add_resources(xhci, generic_resources,
+ ARRAY_SIZE(generic_resources));
+ if (ret) {
+ dev_err(dwc->dev, "couldn't add resources to xHCI device\n");
+ goto err1;
+ }
+
+ ret = platform_device_add(xhci);
+ if (ret) {
+ dev_err(dwc->dev, "failed to register xHCI device\n");
+ goto err1;
+ }
+
+ return 0;
+
+err1:
+ platform_device_put(xhci);
+
+err0:
+ return ret;
+}
+
+void dwc3_host_exit(struct dwc3 *dwc)
+{
+ platform_device_unregister(dwc->xhci);
+}