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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,
.input_report_set_usage_int = input_report_set_usage_int,
.input_report_set_usage_bool = input_report_set_usage_bool,
.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 input_report_set_usage_int(input_host_t* host, input_report_t* r,
input_collection_id_t id, input_usage_t usage, int32_t value, int32_t arity_index) { }
void input_report_set_usage_bool(input_host_t* host, input_report_t* r,
input_collection_id_t id, input_usage_t usage, bool value, int32_t arity_index) { }
void report_event(input_host_t* host, input_device_handle_t* d, input_report_t* report) { }
} // namespace android
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