+// 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)
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);
/* 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;
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;
}
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,
};
.of_match = sandbox_usb_ids,
.probe = sandbox_usb_probe,
.ops = &sandbox_usb_ops,
+ .priv_auto = sizeof(struct sandbox_usb_ctrl),
};