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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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11
include/usb.h
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@@ -937,6 +937,17 @@ int usb_emul_control(struct udevice *emul, struct usb_device *udev,
int usb_emul_bulk(struct udevice *emul, struct usb_device *udev,
unsigned long pipe, void *buffer, int length);
/**
* usb_emul_int() - Send an interrupt packet to an emulator
*
* @emul: Emulator device
* @udev: USB device (which the emulator is causing to appear)
* See struct dm_usb_ops for details on other parameters
* @return 0 if OK, -ve on error
*/
int usb_emul_int(struct udevice *emul, struct usb_device *udev,
unsigned long pipe, void *buffer, int length, int interval);
/**
* usb_emul_find() - Find an emulator for a particular device
*