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/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Case Closed Debug common implementation
*/
#include "case_closed_debug.h"
#include "common.h"
#include "usb_api.h"
#include "usb_console.h"
#include "usb_spi.h"
#if !defined(CONFIG_USB)
#error "CONFIG_USB must be defined to use Case Closed Debugging"
#endif
#if !defined(CONFIG_USB_CONSOLE)
#error "CONFIG_USB_CONSOLE must be defined to use Case Closed Debugging"
#endif
#if !defined(CONFIG_USB_INHIBIT_INIT)
#error "CONFIG_USB_INHIBIT_INIT must be defined to use Case Closed Debugging"
#endif
#if defined(CONFIG_USB_SPI)
USB_SPI_CONFIG(ccd_usb_spi, USB_IFACE_SPI, USB_EP_SPI);
#endif
static enum ccd_mode current_mode = CCD_MODE_DISABLED;
void ccd_set_mode(enum ccd_mode new_mode)
{
if (new_mode == current_mode)
return;
if (current_mode != CCD_MODE_DISABLED)
usb_release();
current_mode = new_mode;
/*
* The forwarding of the local console over USB is read-only
* if we are not in the fully enabled mode.
*/
usb_console_enable(new_mode != CCD_MODE_DISABLED,
new_mode != CCD_MODE_ENABLED);
#if defined(CONFIG_USB_SPI)
usb_spi_enable(&ccd_usb_spi, new_mode == CCD_MODE_ENABLED);
#endif
if (new_mode != CCD_MODE_DISABLED)
usb_init();
}
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