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-rw-r--r--services/inputflinger/host/InputDriver.cpp112
1 files changed, 112 insertions, 0 deletions
diff --git a/services/inputflinger/host/InputDriver.cpp b/services/inputflinger/host/InputDriver.cpp
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+++ b/services/inputflinger/host/InputDriver.cpp
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+/*
+ * Copyright (C) 2015 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.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#define LOG_TAG "InputDriver"
+
+#define LOG_NDEBUG 0
+
+#include "InputDriver.h"
+#include "InputHost.h"
+
+#include <hardware/input.h>
+#include <utils/Log.h>
+#include <utils/String8.h>
+
+#define INDENT2 " "
+
+namespace android {
+
+static input_host_callbacks_t kCallbacks = {
+ .create_device_identifier = create_device_identifier,
+ .create_device_definition = create_device_definition,
+ .create_input_report_definition = create_input_report_definition,
+ .create_output_report_definition = create_output_report_definition,
+ .input_device_definition_add_report = input_device_definition_add_report,
+ .input_report_definition_add_collection = input_report_definition_add_collection,
+ .input_report_definition_declare_usage_int = input_report_definition_declare_usage_int,
+ .input_report_definition_declare_usages_bool = input_report_definition_declare_usages_bool,
+ .register_device = register_device,
+ .input_allocate_report = input_allocate_report,
+ .report_event = report_event,
+};
+
+InputDriver::InputDriver(const char* name) : mName(String8(name)) {
+ const hw_module_t* module;
+ int err = input_open(&module, name);
+ LOG_ALWAYS_FATAL_IF(err != 0, "Input module %s not found", name);
+ mHal = reinterpret_cast<const input_module_t*>(module);
+}
+
+void InputDriver::init(InputHostInterface* host) {
+ mHal->init(mHal, static_cast<input_host_t*>(host), kCallbacks);
+}
+
+void InputDriver::dump(String8& result) {
+ result.appendFormat(INDENT2 "HAL Input Driver (%s)\n", mName.string());
+}
+
+
+// HAL wrapper functions
+
+input_device_identifier_t* create_device_identifier(input_host_t* host,
+ const char* name, int32_t product_id, int32_t vendor_id,
+ input_bus_t bus, const char* unique_id) {
+ return nullptr;
+}
+
+input_device_definition_t* create_device_definition(input_host_t* host) {
+ return nullptr;
+}
+
+input_report_definition_t* create_input_report_definition(input_host_t* host) {
+ return nullptr;
+}
+
+input_report_definition_t* create_output_report_definition(input_host_t* host) {
+ return nullptr;
+}
+
+void input_device_definition_add_report(input_host_t* host,
+ input_device_definition_t* d, input_report_definition_t* r) { }
+
+void input_report_definition_add_collection(input_host_t* host,
+ input_report_definition_t* report, input_collection_id_t id, int32_t arity) { }
+
+void input_report_definition_declare_usage_int(input_host_t* host,
+ input_report_definition_t* report, input_collection_id_t id,
+ input_usage_t usage, int32_t min, int32_t max, float resolution) { }
+
+void input_report_definition_declare_usages_bool(input_host_t* host,
+ input_report_definition_t* report, input_collection_id_t id,
+ input_usage_t* usage, size_t usage_count) { }
+
+
+input_device_handle_t* register_device(input_host_t* host,
+ input_device_identifier_t* id, input_device_definition_t* d) {
+ return nullptr;
+}
+
+input_report_t* input_allocate_report(input_host_t* host, input_report_definition_t* r) {
+ return nullptr;
+}
+
+void report_event(input_host_t* host, input_device_handle_t* d, input_report_t* report) { }
+
+
+} // namespace android