platform/msm_shared/rpm-ipc.c

/* Copyright (c) 2015, The Linux Foundation. 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 Linux Fundation, Inc. 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 "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER 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, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <arch/defines.h>
#include <stdint.h>
#include <sys/types.h>
#include <platform.h>
#include <rpm-ipc.h>
#include <rpm-glink.h>
#include <rpm-smd.h>
#include <string.h>

__WEAK glink_err_type rpm_glink_send_data(uint32_t *data, uint32_t len, msg_type type)
{
	return GLINK_STATUS_API_NOT_SUPPORTED;
}

__WEAK int rpm_smd_send_data(uint32_t *data, uint32_t len, msg_type type)
{
	return -1;
}

void fill_kvp_object(kvp_data **kdata, uint32_t *data, uint32_t len)
{
	*kdata = (kvp_data *) memalign(CACHE_LINE, ROUNDUP(len, CACHE_LINE));
	ASSERT(*kdata);

	memcpy(*kdata, data+2, len);
}

void free_kvp_object(kvp_data **kdata)
{
	if(*kdata)
		free(*kdata);
}

int rpm_send_data(uint32_t *data, uint32_t len, msg_type type)
{
	int ret = 0;

	/* Runtime select to call glink or smd */
	if (platform_is_glink_enabled())
		ret = rpm_glink_send_data(data, len, type);
	else
		ret = rpm_smd_send_data(data, len, type);

	return ret;
}

void rpm_clk_enable(uint32_t *data, uint32_t len)
{
	if(rpm_send_data(data, len, RPM_REQUEST_TYPE))
	{
		dprintf(CRITICAL, "Clock enable failure\n");
		ASSERT(0);
	}
}