1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "ConsumerIrService"
18
19#include "jni.h"
20#include "JNIHelp.h"
21#include "android_runtime/AndroidRuntime.h"
22
23#include <stdlib.h>
24#include <utils/misc.h>
25#include <utils/Log.h>
26#include <hardware/hardware.h>
27#include <hardware/consumerir.h>
28#include <ScopedPrimitiveArray.h>
29
30namespace android {
31
32static jlong halOpen(JNIEnv* /* env */, jobject /* obj */) {
33    hw_module_t const* module;
34    consumerir_device_t *dev;
35    int err;
36
37    err = hw_get_module(CONSUMERIR_HARDWARE_MODULE_ID, &module);
38    if (err != 0) {
39        ALOGE("Can't open consumer IR HW Module, error: %d", err);
40        return 0;
41    }
42
43    err = module->methods->open(module, CONSUMERIR_TRANSMITTER,
44            (hw_device_t **) &dev);
45    if (err < 0) {
46        ALOGE("Can't open consumer IR transmitter, error: %d", err);
47        return 0;
48    }
49
50    return reinterpret_cast<jlong>(dev);
51}
52
53static jint halTransmit(JNIEnv *env, jobject /* obj */, jlong halObject,
54   jint carrierFrequency, jintArray pattern) {
55    int ret;
56
57    consumerir_device_t *dev = reinterpret_cast<consumerir_device_t*>(halObject);
58    ScopedIntArrayRO cPattern(env, pattern);
59    if (cPattern.get() == NULL) {
60        return -EINVAL;
61    }
62    jsize patternLength = cPattern.size();
63
64    ret = dev->transmit(dev, carrierFrequency, cPattern.get(), patternLength);
65
66    return reinterpret_cast<jint>(ret);
67}
68
69static jintArray halGetCarrierFrequencies(JNIEnv *env, jobject /* obj */,
70    jlong halObject) {
71    consumerir_device_t *dev = reinterpret_cast<consumerir_device_t*>(halObject);
72    consumerir_freq_range_t *ranges;
73    int len;
74
75    len = dev->get_num_carrier_freqs(dev);
76    if (len <= 0)
77        return NULL;
78
79    ranges = new consumerir_freq_range_t[len];
80
81    len = dev->get_carrier_freqs(dev, len, ranges);
82    if (len <= 0) {
83        delete[] ranges;
84        return NULL;
85    }
86
87    int i;
88    ScopedIntArrayRW freqsOut(env, env->NewIntArray(len*2));
89    jint *arr = freqsOut.get();
90    if (arr == NULL) {
91        delete[] ranges;
92        return NULL;
93    }
94    for (i = 0; i < len; i++) {
95        arr[i*2] = ranges[i].min;
96        arr[i*2+1] = ranges[i].max;
97    }
98
99    delete[] ranges;
100    return freqsOut.getJavaArray();
101}
102
103static const JNINativeMethod method_table[] = {
104    { "halOpen", "()J", (void *)halOpen },
105    { "halTransmit", "(JI[I)I", (void *)halTransmit },
106    { "halGetCarrierFrequencies", "(J)[I", (void *)halGetCarrierFrequencies},
107};
108
109int register_android_server_ConsumerIrService(JNIEnv *env) {
110    return jniRegisterNativeMethods(env, "com/android/server/ConsumerIrService",
111            method_table, NELEM(method_table));
112}
113
114};
115