/*--------------------------------------------------------------------------
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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.
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      notice, this list of conditions and the following disclaimer in the
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      the names of its contributors may be used to endorse or promote
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      permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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--------------------------------------------------------------------------*/

#ifdef WCNSS_QMI
#define LOG_TAG "wcnss_qmi"
#include <cutils/log.h>
#include "wcnss_qmi_client.h"
#include "qmi.h"
#include "qmi_client.h"
#include "device_management_service_v01.h"
#include <cutils/properties.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 qmi_handle;
static int dms_init_done = FAILED;

/* Android system property for fetching the modem type */
#define QMI_UIM_PROPERTY_BASEBAND               "ro.baseband"

/* Android system property values for various modem types */
#define QMI_UIM_PROP_BASEBAND_VALUE_SVLTE_1     "svlte1"
#define QMI_UIM_PROP_BASEBAND_VALUE_SVLTE_2A    "svlte2a"
#define QMI_UIM_PROP_BASEBAND_VALUE_CSFB        "csfb"
#define QMI_UIM_PROP_BASEBAND_VALUE_SGLTE       "sglte"
#define QMI_UIM_PROP_BASEBAND_VALUE_SGLTE2      "sglte2"
#define QMI_UIM_PROP_BASEBAND_VALUE_MSM         "msm"
#define QMI_UIM_PROP_BASEBAND_VALUE_APQ         "apq"
#define QMI_UIM_PROP_BASEBAND_VALUE_MDMUSB      "mdm"
#define QMI_UIM_PROP_BASEBAND_VALUE_DSDA        "dsda"
#define QMI_UIM_PROP_BASEBAND_VALUE_DSDA_2      "dsda2"

static char *dms_find_modem_port( char *prop_value_ptr)
{
	char *qmi_modem_port_ptr = QMI_PORT_RMNET_0;

	/* Sanity check */
	if (prop_value_ptr == NULL) {
		ALOGE("%s", "NULL prop_value_ptr, using default port",
			__func__);
		return qmi_modem_port_ptr;
	}

	ALOGE("%s: Baseband property value read: %s", __func__,
			prop_value_ptr);

	/* Map the port based on the read property */
	if ((strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_SVLTE_1)  == 0) ||
		(strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_SVLTE_2A) == 0) ||
		(strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_CSFB) == 0)) {
		qmi_modem_port_ptr = QMI_PORT_RMNET_SDIO_0;
	} else if ((strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_MDMUSB) == 0) ||
		(strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_SGLTE2) == 0)) {
		qmi_modem_port_ptr = QMI_PORT_RMNET_USB_0;
	} else if ((strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_MSM) == 0) ||
		(strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_APQ) == 0) ||
		(strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_SGLTE) == 0)) {
		qmi_modem_port_ptr = QMI_PORT_RMNET_0;
	} else if (strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_DSDA) == 0) {
		/* If it is a DSDA configuration, use the existing API */
		qmi_modem_port_ptr = (char *)QMI_PLATFORM_INTERNAL_USE_PORT_ID;
	} else if (strcmp(prop_value_ptr,
		QMI_UIM_PROP_BASEBAND_VALUE_DSDA_2) == 0) {
		/* If it is a DSDA2 configuration, use the existing API */
		qmi_modem_port_ptr = (char *)QMI_PLATFORM_INTERNAL_USE_PORT_ID;
	} else {
		ALOGE("%s: Property value does not match,using default port:%s",
			__func__, qmi_modem_port_ptr);
	}

	ALOGE("%s: QMI port found for modem: %s", __func__, qmi_modem_port_ptr);

	return qmi_modem_port_ptr;
}

int wcnss_init_qmi()
{
	qmi_client_error_type qmi_client_err;
	qmi_idl_service_object_type dms_service;
	char prop_value[PROPERTY_VALUE_MAX];
	char *qmi_modem_port = NULL;

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

	qmi_handle = qmi_init(NULL, NULL);
	if (qmi_handle < 0) {
		ALOGE("%s: Error while initializing qmi", __func__);
		return FAILED;
	}

	dms_service = dms_get_service_object_v01();
	if (dms_service == NULL) {
		ALOGE("%s: Not able to get the service handle", __func__);
		goto exit;
	}

	/* Find out the modem type */
	memset(prop_value, 0x00, sizeof(prop_value));
	property_get(QMI_UIM_PROPERTY_BASEBAND, prop_value, "");

	/* Map to a respective QMI port */
	qmi_modem_port = dms_find_modem_port(prop_value);
	if (qmi_modem_port == NULL) {
		ALOGE("%s: qmi_modem_port is NULL", __func__);
		goto exit;
	}

	qmi_client_err = qmi_client_init((const char *)qmi_modem_port,
			dms_service, NULL, dms_service, &dms_qmi_client);

	if ((qmi_client_err == QMI_PORT_NOT_OPEN_ERR) &&
			(strcmp(qmi_modem_port, QMI_PORT_RMNET_0) == 0)){
		ALOGE("%s: Retrying with port RMNET_1: %d",
				__func__, qmi_client_err);
		qmi_modem_port = QMI_PORT_RMNET_1;
		qmi_client_err = qmi_client_init((const char *)qmi_modem_port,
			       dms_service, NULL, dms_service, &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:
	qmi_handle = qmi_release(qmi_handle);
	if ( qmi_handle < 0 )    {
		ALOGE("%s: Error while releasing qmi %d",
			 __func__, qmi_handle);
	}
	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);
	}

	qmi_handle = qmi_release(qmi_handle);
	if (qmi_handle < 0)    {
		ALOGE("%s: Error while releasing qmi %d",
			__func__, qmi_handle);
	}

	dms_init_done = FAILED;
}
#endif