os/linux/gl_rst.c

/******************************************************************************
 *
 * This file is provided under a dual license.  When you use or
 * distribute this software, you may choose to be licensed under
 * version 2 of the GNU General Public License ("GPLv2 License")
 * or BSD License.
 *
 * GPLv2 License
 *
 * Copyright(C) 2016 MediaTek Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See http://www.gnu.org/licenses/gpl-2.0.html for more details.
 *
 * BSD LICENSE
 *
 * Copyright(C) 2016 MediaTek Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************************/
/*
** Id: @(#) gl_rst.c@@
*/

/*! \file   gl_rst.c
*    \brief  Main routines for supporintg MT6620 whole-chip reset mechanism
*
*    This file contains the support routines of Linux driver for MediaTek Inc. 802.11
*    Wireless LAN Adapters.
*/


/*******************************************************************************
*                         C O M P I L E R   F L A G S
********************************************************************************
*/

/*******************************************************************************
*                    E X T E R N A L   R E F E R E N C E S
********************************************************************************
*/
#include "precomp.h"

#if CFG_CHIP_RESET_SUPPORT

/*******************************************************************************
*                              C O N S T A N T S
********************************************************************************
*/

/*******************************************************************************
*                            P U B L I C   D A T A
********************************************************************************
*/

/*******************************************************************************
*                           P R I V A T E   D A T A
********************************************************************************
*/

/*******************************************************************************
*                   F U N C T I O N   D E C L A R A T I O N S
********************************************************************************
*/

/*******************************************************************************
*                              F U N C T I O N S
********************************************************************************
*/

VOID glResetTrigger(P_ADAPTER_T prAdapter)
{
	void (*btmtk_usb_toggle_rst_pin)(void);

	/* Call POR(Power On Reset) off->on API provided by BT driver */
	btmtk_usb_toggle_rst_pin = (void *)kallsyms_lookup_name("btmtk_usb_toggle_rst_pin");

	if (!btmtk_usb_toggle_rst_pin) {
		DBGLOG(HAL, ERROR, "btmtk_usb_toggle_rst_pin() is not found\n");
	} else {
		DBGLOG(HAL, ERROR, "Trigger MT7668 POR(Power On Reset) off->on by BT driver\n");
		btmtk_usb_toggle_rst_pin();
	}
}

#endif /* CFG_CHIP_RESET_SUPPORT */

/*----------------------------------------------------------------------------*/
/*!
 * @brief This routine is called for checking if connectivity chip is resetting
 *
 * @param   None
 *
 * @retval  TRUE
 *          FALSE
 */
/*----------------------------------------------------------------------------*/
BOOLEAN kalIsResetting(VOID)
{
	return FALSE;
}