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usb: sandbox: Add support for interrupt operations

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Allow USB device emulation to support interrupt URBs so that we can use USB
keyboards with sandbox.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2015-11-08 23:48:05 -07:00
parent 2cdb58ebdc
commit b70a3fea94
3 changed files with 42 additions and 0 deletions
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19
drivers/usb/host/usb-sandbox.c
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@@ -87,6 +87,24 @@ 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)
{
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);
usbmon_trace(bus, pipe, NULL, emul);
if (ret)
return ret;
ret = usb_emul_int(emul, udev, pipe, buffer, length, interval);
return ret;
}
static int sandbox_alloc_device(struct udevice *dev, struct usb_device *udev)
{
return 0;
@@ -100,6 +118,7 @@ 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,
};