zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/usb/dwc3/dwc3-pci.c b/ap/os/linux/linux-3.4.x/drivers/usb/dwc3/dwc3-pci.c
new file mode 100644
index 0000000..4f31fcb
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/usb/dwc3/dwc3-pci.c
@@ -0,0 +1,177 @@
+/**
+ * dwc3-pci.c - PCI Specific glue layer
+ *
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * Authors: Felipe Balbi <balbi@ti.com>,
+ * Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+ *
+ * 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/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+
+#include "core.h"
+
+/* FIXME define these in <linux/pci_ids.h> */
+#define PCI_VENDOR_ID_SYNOPSYS 0x16c3
+#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
+#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
+#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e
+
+struct dwc3_pci {
+ struct device *dev;
+ struct platform_device *dwc3;
+};
+
+static int __devinit dwc3_pci_probe(struct pci_dev *pci,
+ const struct pci_device_id *id)
+{
+ struct resource res[2];
+ struct platform_device *dwc3;
+ struct dwc3_pci *glue;
+ int ret = -ENOMEM;
+ int devid;
+ struct device *dev = &pci->dev;
+
+ glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL);
+ if (!glue) {
+ dev_err(dev, "not enough memory\n");
+ return -ENOMEM;
+ }
+
+ glue->dev = dev;
+
+ ret = pci_enable_device(pci);
+ if (ret) {
+ dev_err(dev, "failed to enable pci device\n");
+ return -ENODEV;
+ }
+
+ pci_set_power_state(pci, PCI_D0);
+ pci_set_master(pci);
+
+ devid = dwc3_get_device_id();
+ if (devid < 0) {
+ ret = -ENOMEM;
+ goto err1;
+ }
+
+ dwc3 = platform_device_alloc("dwc3", devid);
+ if (!dwc3) {
+ dev_err(dev, "couldn't allocate dwc3 device\n");
+ ret = -ENOMEM;
+ goto err1;
+ }
+
+ memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res));
+
+ res[0].start = pci_resource_start(pci, 0);
+ res[0].end = pci_resource_end(pci, 0);
+ res[0].name = "dwc_usb3";
+ res[0].flags = IORESOURCE_MEM;
+
+ res[1].start = pci->irq;
+ res[1].name = "dwc_usb3";
+ res[1].flags = IORESOURCE_IRQ;
+
+ ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res));
+ if (ret) {
+ dev_err(dev, "couldn't add resources to dwc3 device\n");
+ goto err2;
+ }
+
+ pci_set_drvdata(pci, glue);
+
+ dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask);
+
+ dwc3->dev.dma_mask = dev->dma_mask;
+ dwc3->dev.dma_parms = dev->dma_parms;
+ dwc3->dev.parent = dev;
+ glue->dwc3 = dwc3;
+
+ ret = platform_device_add(dwc3);
+ if (ret) {
+ dev_err(dev, "failed to register dwc3 device\n");
+ goto err3;
+ }
+
+ return 0;
+
+err3:
+ pci_set_drvdata(pci, NULL);
+ platform_device_put(dwc3);
+
+err2:
+ dwc3_put_device_id(devid);
+
+err1:
+ pci_disable_device(pci);
+
+ return ret;
+}
+
+static void __devexit dwc3_pci_remove(struct pci_dev *pci)
+{
+ struct dwc3_pci *glue = pci_get_drvdata(pci);
+
+ dwc3_put_device_id(glue->dwc3->id);
+ platform_device_unregister(glue->dwc3);
+ pci_set_drvdata(pci, NULL);
+ pci_disable_device(pci);
+}
+
+static DEFINE_PCI_DEVICE_TABLE(dwc3_pci_id_table) = {
+ {
+ PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
+ PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
+ },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
+ { } /* Terminating Entry */
+};
+MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
+
+static struct pci_driver dwc3_pci_driver = {
+ .name = "dwc3-pci",
+ .id_table = dwc3_pci_id_table,
+ .probe = dwc3_pci_probe,
+ .remove = __devexit_p(dwc3_pci_remove),
+};
+
+MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer");
+
+module_pci_driver(dwc3_pci_driver);