wcnss-service/wcnss_qmi_client.c

/*--------------------------------------------------------------------------
Copyright (c) 2013, 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 Foundation 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, 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,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--------------------------------------------------------------------------*/

#ifdef WCNSS_QMI
#define LOG_TAG "wcnss_qmi"
#include <cutils/log.h>
#include "wcnss_qmi_client.h"
#include "qmi_client.h"
#include "device_management_service_v01.h"
#include <cutils/properties.h>
#include <string.h>

#define SUCCESS 0
#define FAILED -1

#define WLAN_ADDR_SIZE   6
#define DMS_QMI_TIMEOUT (2000)

static qmi_client_type dms_qmi_client;
static int dms_init_done = FAILED;

int wcnss_init_qmi()
{
	qmi_client_error_type qmi_client_err;

	ALOGE("%s: Initialize wcnss QMI Interface", __func__);
        qmi_client_os_params dms_os_params;

	memset(&dms_os_params, 0, sizeof(qmi_client_os_params));
	qmi_client_err = qmi_client_init_instance(dms_get_service_object_v01(),
			QMI_CLIENT_INSTANCE_ANY, NULL, NULL,
			&dms_os_params, 5000, &dms_qmi_client);

	if (qmi_client_err != QMI_NO_ERR){
		ALOGE("%s: Error while Initializing QMI Client: %d",
			__func__, qmi_client_err);
		goto exit;
	}

	dms_init_done = SUCCESS;
	return SUCCESS;

exit:
	return FAILED;
}

int wcnss_qmi_get_wlan_address(unsigned char *pBdAddr)
{
	qmi_client_error_type qmi_client_err;
	dms_get_mac_address_req_msg_v01 addr_req;
	dms_get_mac_address_resp_msg_v01 addr_resp;

	if ((dms_init_done == FAILED) || (pBdAddr == NULL)) {
		ALOGE("%s: DMS init fail or pBdAddr is NULL", __func__);
		return FAILED;
	}

	/* clear the request content */
	memset(&addr_req, 0, sizeof(addr_req));

	/*Request to get the WLAN MAC address */
	addr_req.device = DMS_DEVICE_MAC_WLAN_V01;

	qmi_client_err = qmi_client_send_msg_sync(dms_qmi_client,
		QMI_DMS_GET_MAC_ADDRESS_REQ_V01, &addr_req, sizeof(addr_req),
		&addr_resp, sizeof(addr_resp), DMS_QMI_TIMEOUT);

	if (qmi_client_err != QMI_NO_ERR){
		ALOGE("%s: Failed to get Rsp from Modem Error:%d",
				__func__, qmi_client_err);
		return FAILED;
	}

	ALOGE("%s: Mac Address_valid: %d Mac Address Len: %d",
				__func__, addr_resp.mac_address_valid,
				addr_resp.mac_address_len);

	if (addr_resp.mac_address_valid &&
		(addr_resp.mac_address_len == WLAN_ADDR_SIZE)) {
		memcpy(pBdAddr, addr_resp.mac_address,
			addr_resp.mac_address_len);
		ALOGE("%s: Succesfully Read WLAN MAC Address", __func__);
		return SUCCESS;
	} else {
		ALOGE("%s: Failed to Read WLAN MAC Address", __func__);
		return FAILED;
	}
}

void wcnss_qmi_deinit()
{
	qmi_client_error_type qmi_client_err;

	ALOGE("%s: Deinitialize wcnss QMI Interface", __func__);

	if (dms_init_done == FAILED) {
		ALOGE("%s: DMS Service was not Initialized", __func__);
		return;
	}

	qmi_client_err = qmi_client_release(dms_qmi_client);

	if (qmi_client_err != QMI_NO_ERR){
		ALOGE("%s: Error while releasing qmi_client: %d",
			__func__, qmi_client_err);
	}

	dms_init_done = FAILED;
}
#endif