radio/1.2/IRadio.hal

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.hardware.radio@1.2;

import @1.1::IRadio;

/**
 * This interface is used by telephony and telecom to talk to cellular radio.
 * All the functions have minimum one parameter:
 * serial: which corresponds to serial no. of request. Serial numbers must only be memorized for the
 * duration of a method call. If clients provide colliding serials (including passing the same
 * serial to different methods), multiple responses (one for each method call) must still be served.
 * setResponseFunctions must work with @1.1::IRadioResponse and @1.1::IRadioIndication.
 */
interface IRadio extends @1.1::IRadio {

    /**
     * Starts a network scan
     *
     * @param serial Serial number of request.
     * @param request Defines the radio networks/bands/channels which need to be scanned.
     *
     * Response function is IRadioResponse.startNetworkScanResponse()
     */
    oneway startNetworkScan_1_2(int32_t serial, NetworkScanRequest request);

    /**
     * Get SIM Slot status.
     *
     * Request provides the slot status of all active and inactive SIM slots and whether card is
     * present in the slots or not.
     *
     * @param serial Serial number of request.
     *
     * Response callback is IRadioResponse.getSimSlotsStatusResponse()
     */
    oneway getSimSlotsStatus(int32_t serial);

    /**
     * Set SIM Slot mapping.

     * Maps the logical slots to the physical slots. Logical slot is the slot that is seen by modem.
     * Physical slot is the actual physical slot. Request maps the physical slot to logical slot.
     * Logical slots that are already mapped to the requested physical slot are not impacted.
     *
     * Example no. of logical slots 1 and physical slots 2:
     * The only logical slot (index 0) can be mapped to first physical slot (value 0) or second
     * physical slot(value 1), while the other physical slot remains unmapped and inactive.
     * slotMap[0] = 1 or slotMap[0] = 0
     *
     * Example no. of logical slots 2 and physical slots 2:
     * First logical slot (index 0) can be mapped to physical slot 1 or 2 and other logical slot
     * can be mapped to other physical slot. Each logical slot must be mapped to a physical slot.
     * slotMap[0] = 0 and slotMap[1] = 1 or slotMap[0] = 1 and slotMap[1] = 0
     *
     * @param serial Serial number of request
     * @param slotMap Logical to physical slot mapping, size == no. of radio instances. Index is
     *        mapping to logical slot and value to physical slot, need to provide all the slots
     *        mapping when sending request in case of multi slot device.
     *        EX: uint32_t slotMap[logical slot] = physical slot
     *        index 0 is the first logical_slot number of logical slots is equal to number of Radio
     *        instances and number of physical slots is equal to size of slotStatus in
     *        getSimSlotsStatusResponse
     *
     * Response callback is IRadioResponse.setSimSlotsMappingResponse()
     */
    oneway setSimSlotsMapping(int32_t serial, vec<uint32_t> slotMap);
};