X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fusb-sandbox.c;h=e5442e71ae93ee7a0c720cabc91b15be59c6874e;hb=41575d8e4c334df148c4cdd7c40cc825dc0fcaa1;hp=c5f98220404432ae975cf43099cc40a78cbd6f68;hpb=b8d7652c81689a69bc6eaa206cf875bbe632831c;p=platform%2Fkernel%2Fu-boot.git

diff --git a/drivers/usb/host/usb-sandbox.c b/drivers/usb/host/usb-sandbox.c
index c5f9822..e5442e7 100644
--- a/drivers/usb/host/usb-sandbox.c
+++ b/drivers/usb/host/usb-sandbox.c
@@ -1,16 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2015 Google, Inc
  * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <usb.h>
 #include <dm/root.h>
 
-DECLARE_GLOBAL_DATA_PTR;
+struct sandbox_usb_ctrl {
+	int rootdev;
+};
 
 static void usbmon_trace(struct udevice *bus, ulong pipe,
 			 struct devrequest *setup, struct udevice *emul)
@@ -40,15 +42,24 @@ static int sandbox_submit_control(struct udevice *bus,
 				      void *buffer, int length,
 				      struct devrequest *setup)
 {
+	struct sandbox_usb_ctrl *ctrl = dev_get_priv(bus);
 	struct udevice *emul;
 	int ret;
 
 	/* Just use child of dev as emulator? */
 	debug("%s: bus=%s\n", __func__, bus->name);
-	ret = usb_emul_find(bus, pipe, &emul);
+	ret = usb_emul_find(bus, pipe, udev->portnr, &emul);
 	usbmon_trace(bus, pipe, setup, emul);
 	if (ret)
 		return ret;
+
+	if (usb_pipedevice(pipe) == ctrl->rootdev) {
+		if (setup->request == USB_REQ_SET_ADDRESS) {
+			debug("%s: Set root hub's USB address\n", __func__);
+			ctrl->rootdev = le16_to_cpu(setup->value);
+		}
+	}
+
 	ret = usb_emul_control(emul, udev, pipe, buffer, length, setup);
 	if (ret < 0) {
 		debug("ret=%d\n", ret);
@@ -70,7 +81,7 @@ static int sandbox_submit_bulk(struct udevice *bus, struct usb_device *udev,
 
 	/* Just use child of dev as emulator? */
 	debug("%s: bus=%s\n", __func__, bus->name);
-	ret = usb_emul_find(bus, pipe, &emul);
+	ret = usb_emul_find(bus, pipe, udev->portnr, &emul);
 	usbmon_trace(bus, pipe, NULL, emul);
 	if (ret)
 		return ret;
@@ -87,8 +98,37 @@ static int sandbox_submit_bulk(struct udevice *bus, struct usb_device *udev,
 	return ret;
 }
 
+static int sandbox_submit_int(struct udevice *bus, struct usb_device *udev,
+			      unsigned long pipe, void *buffer, int length,
+			      int interval, bool nonblock)
+{
+	struct udevice *emul;
+	int ret;
+
+	/* Just use child of dev as emulator? */
+	debug("%s: bus=%s\n", __func__, bus->name);
+	ret = usb_emul_find(bus, pipe, udev->portnr, &emul);
+	usbmon_trace(bus, pipe, NULL, emul);
+	if (ret)
+		return ret;
+	ret = usb_emul_int(emul, udev, pipe, buffer, length, interval,
+			   nonblock);
+
+	return ret;
+}
+
 static int sandbox_alloc_device(struct udevice *dev, struct usb_device *udev)
 {
+	struct sandbox_usb_ctrl *ctrl = dev_get_priv(dev);
+
+	/*
+	 * Root hub will be the first device to be initailized.
+	 * If this device is a root hub, initialize its device speed
+	 * to high speed as we are a USB 2.0 controller.
+	 */
+	if (ctrl->rootdev == 0)
+		udev->speed = USB_SPEED_HIGH;
+
 	return 0;
 }
 
@@ -100,6 +140,7 @@ static int sandbox_usb_probe(struct udevice *dev)
 static const struct dm_usb_ops sandbox_usb_ops = {
 	.control	= sandbox_submit_control,
 	.bulk		= sandbox_submit_bulk,
+	.interrupt	= sandbox_submit_int,
 	.alloc_device	= sandbox_alloc_device,
 };
 
@@ -114,4 +155,5 @@ U_BOOT_DRIVER(usb_sandbox) = {
 	.of_match = sandbox_usb_ids,
 	.probe = sandbox_usb_probe,
 	.ops	= &sandbox_usb_ops,
+	.priv_auto	= sizeof(struct sandbox_usb_ctrl),
 };