90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/**
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdbool.h>
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#include <stdint.h>
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#include "chpp/common/wwan.h"
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#include "chpp/services/wwan.h"
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#include "chre/pal/wwan.h"
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static const struct chrePalSystemApi *gSystemApi;
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static const struct chrePalWwanCallbacks *gCallbacks;
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static bool wwanPalOpen(const struct chrePalSystemApi *systemApi,
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const struct chrePalWwanCallbacks *callbacks) {
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gSystemApi = systemApi;
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gCallbacks = callbacks;
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return true;
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}
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static void wwanPalClose(void) {}
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static uint32_t wwanPalGetCapabilities(void) {
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return CHRE_WWAN_GET_CELL_INFO;
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}
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static bool wwanPalRequestCellInfo(void) {
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struct chreWwanCellInfoResult *result =
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gSystemApi->memoryAlloc(sizeof(struct chreWwanCellInfoResult));
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CHPP_NOT_NULL(result);
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// TODO: <populate result>
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if (result->cellInfoCount > 0) {
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result->cells = gSystemApi->memoryAlloc(result->cellInfoCount *
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sizeof(struct chreWwanCellInfo));
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CHPP_NOT_NULL(cells);
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}
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// TODO: <populate cells>
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gCallbacks->cellInfoResultCallback(result);
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return true; // If successful
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}
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static void wwanPalReleaseCellInfoResult(
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struct chreWwanCellInfoResult *result) {
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gSystemApi->memoryFree(CHPP_CONST_CAST_POINTER(result->cells));
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gSystemApi->memoryFree(result);
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}
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#ifdef CHPP_SERVICE_ENABLED_WWAN
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const struct chrePalWwanApi *chrePalWwanGetApi(uint32_t requestedApiVersion) {
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static const struct chrePalWwanApi api = {
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.moduleVersion = CHPP_PAL_WWAN_API_VERSION,
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.open = wwanPalOpen,
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.close = wwanPalClose,
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.getCapabilities = wwanPalGetCapabilities,
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.requestCellInfo = wwanPalRequestCellInfo,
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.releaseCellInfoResult = wwanPalReleaseCellInfoResult,
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};
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CHPP_STATIC_ASSERT(
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CHRE_PAL_WWAN_API_CURRENT_VERSION == CHPP_PAL_WWAN_API_VERSION,
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"A newer CHRE PAL API version is available. Please update.");
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if (!CHRE_PAL_VERSIONS_ARE_COMPATIBLE(api.moduleVersion,
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requestedApiVersion)) {
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return NULL;
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} else {
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return &api;
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}
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}
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#endif
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