1 /*
2 * Copyright (C) 2015 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 "APM::HwModule"
18 //#define LOG_NDEBUG 0
19
20 #include "HwModule.h"
21 #include "IOProfile.h"
22 #include "AudioGain.h"
23 #include <policy.h>
24 #include <system/audio.h>
25
26 namespace android {
27
HwModule(const char * name,uint32_t halVersionMajor,uint32_t halVersionMinor)28 HwModule::HwModule(const char *name, uint32_t halVersionMajor, uint32_t halVersionMinor)
29 : mName(String8(name)),
30 mHandle(AUDIO_MODULE_HANDLE_NONE)
31 {
32 setHalVersion(halVersionMajor, halVersionMinor);
33 }
34
~HwModule()35 HwModule::~HwModule()
36 {
37 for (size_t i = 0; i < mOutputProfiles.size(); i++) {
38 mOutputProfiles[i]->clearSupportedDevices();
39 }
40 for (size_t i = 0; i < mInputProfiles.size(); i++) {
41 mInputProfiles[i]->clearSupportedDevices();
42 }
43 }
44
addOutputProfile(const String8 & name,const audio_config_t * config,audio_devices_t device,const String8 & address)45 status_t HwModule::addOutputProfile(const String8& name, const audio_config_t *config,
46 audio_devices_t device, const String8& address)
47 {
48 sp<IOProfile> profile = new OutputProfile(name);
49
50 profile->addAudioProfile(new AudioProfile(config->format, config->channel_mask,
51 config->sample_rate));
52
53 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(device);
54 devDesc->mAddress = address;
55 profile->addSupportedDevice(devDesc);
56
57 return addOutputProfile(profile);
58 }
59
addOutputProfile(const sp<IOProfile> & profile)60 status_t HwModule::addOutputProfile(const sp<IOProfile> &profile)
61 {
62 profile->attach(this);
63 mOutputProfiles.add(profile);
64 mPorts.add(profile);
65 return NO_ERROR;
66 }
67
addInputProfile(const sp<IOProfile> & profile)68 status_t HwModule::addInputProfile(const sp<IOProfile> &profile)
69 {
70 profile->attach(this);
71 mInputProfiles.add(profile);
72 mPorts.add(profile);
73 return NO_ERROR;
74 }
75
addProfile(const sp<IOProfile> & profile)76 status_t HwModule::addProfile(const sp<IOProfile> &profile)
77 {
78 switch (profile->getRole()) {
79 case AUDIO_PORT_ROLE_SOURCE:
80 return addOutputProfile(profile);
81 case AUDIO_PORT_ROLE_SINK:
82 return addInputProfile(profile);
83 case AUDIO_PORT_ROLE_NONE:
84 return BAD_VALUE;
85 }
86 return BAD_VALUE;
87 }
88
setProfiles(const IOProfileCollection & profiles)89 void HwModule::setProfiles(const IOProfileCollection &profiles)
90 {
91 for (size_t i = 0; i < profiles.size(); i++) {
92 addProfile(profiles[i]);
93 }
94 }
95
removeOutputProfile(const String8 & name)96 status_t HwModule::removeOutputProfile(const String8& name)
97 {
98 for (size_t i = 0; i < mOutputProfiles.size(); i++) {
99 if (mOutputProfiles[i]->getName() == name) {
100 mOutputProfiles.removeAt(i);
101 break;
102 }
103 }
104
105 return NO_ERROR;
106 }
107
addInputProfile(const String8 & name,const audio_config_t * config,audio_devices_t device,const String8 & address)108 status_t HwModule::addInputProfile(const String8& name, const audio_config_t *config,
109 audio_devices_t device, const String8& address)
110 {
111 sp<IOProfile> profile = new InputProfile(name);
112 profile->addAudioProfile(new AudioProfile(config->format, config->channel_mask,
113 config->sample_rate));
114
115 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(device);
116 devDesc->mAddress = address;
117 profile->addSupportedDevice(devDesc);
118
119 ALOGV("addInputProfile() name %s rate %d mask 0x%08x",
120 name.string(), config->sample_rate, config->channel_mask);
121
122 return addInputProfile(profile);
123 }
124
removeInputProfile(const String8 & name)125 status_t HwModule::removeInputProfile(const String8& name)
126 {
127 for (size_t i = 0; i < mInputProfiles.size(); i++) {
128 if (mInputProfiles[i]->getName() == name) {
129 mInputProfiles.removeAt(i);
130 break;
131 }
132 }
133
134 return NO_ERROR;
135 }
136
setDeclaredDevices(const DeviceVector & devices)137 void HwModule::setDeclaredDevices(const DeviceVector &devices)
138 {
139 mDeclaredDevices = devices;
140 for (size_t i = 0; i < devices.size(); i++) {
141 mPorts.add(devices[i]);
142 }
143 }
144
getRouteSinkDevice(const sp<AudioRoute> & route) const145 sp<DeviceDescriptor> HwModule::getRouteSinkDevice(const sp<AudioRoute> &route) const
146 {
147 sp<DeviceDescriptor> sinkDevice = 0;
148 if (route->getSink()->getType() == AUDIO_PORT_TYPE_DEVICE) {
149 sinkDevice = mDeclaredDevices.getDeviceFromTagName(route->getSink()->getTagName());
150 }
151 return sinkDevice;
152 }
153
getRouteSourceDevices(const sp<AudioRoute> & route) const154 DeviceVector HwModule::getRouteSourceDevices(const sp<AudioRoute> &route) const
155 {
156 DeviceVector sourceDevices;
157 for (const auto& source : route->getSources()) {
158 if (source->getType() == AUDIO_PORT_TYPE_DEVICE) {
159 sourceDevices.add(mDeclaredDevices.getDeviceFromTagName(source->getTagName()));
160 }
161 }
162 return sourceDevices;
163 }
164
setRoutes(const AudioRouteVector & routes)165 void HwModule::setRoutes(const AudioRouteVector &routes)
166 {
167 mRoutes = routes;
168 // Now updating the streams (aka IOProfile until now) supported devices
169 refreshSupportedDevices();
170 }
171
refreshSupportedDevices()172 void HwModule::refreshSupportedDevices()
173 {
174 // Now updating the streams (aka IOProfile until now) supported devices
175 for (const auto& stream : mInputProfiles) {
176 DeviceVector sourceDevices;
177 for (const auto& route : stream->getRoutes()) {
178 sp<AudioPort> sink = route->getSink();
179 if (sink == 0 || stream != sink) {
180 ALOGE("%s: Invalid route attached to input stream", __FUNCTION__);
181 continue;
182 }
183 DeviceVector sourceDevicesForRoute = getRouteSourceDevices(route);
184 if (sourceDevicesForRoute.isEmpty()) {
185 ALOGE("%s: invalid source devices for %s", __FUNCTION__, stream->getName().string());
186 continue;
187 }
188 sourceDevices.add(sourceDevicesForRoute);
189 }
190 if (sourceDevices.isEmpty()) {
191 ALOGE("%s: invalid source devices for %s", __FUNCTION__, stream->getName().string());
192 continue;
193 }
194 stream->setSupportedDevices(sourceDevices);
195 }
196 for (const auto& stream : mOutputProfiles) {
197 DeviceVector sinkDevices;
198 for (const auto& route : stream->getRoutes()) {
199 sp<AudioPort> source = route->getSources().findByTagName(stream->getTagName());
200 if (source == 0 || stream != source) {
201 ALOGE("%s: Invalid route attached to output stream", __FUNCTION__);
202 continue;
203 }
204 sp<DeviceDescriptor> sinkDevice = getRouteSinkDevice(route);
205 if (sinkDevice == 0) {
206 ALOGE("%s: invalid sink device for %s", __FUNCTION__, stream->getName().string());
207 continue;
208 }
209 sinkDevices.add(sinkDevice);
210 }
211 stream->setSupportedDevices(sinkDevices);
212 }
213 }
214
setHandle(audio_module_handle_t handle)215 void HwModule::setHandle(audio_module_handle_t handle) {
216 ALOGW_IF(mHandle != AUDIO_MODULE_HANDLE_NONE,
217 "HwModule handle is changing from %d to %d", mHandle, handle);
218 mHandle = handle;
219 }
220
dump(int fd)221 void HwModule::dump(int fd)
222 {
223 const size_t SIZE = 256;
224 char buffer[SIZE];
225 String8 result;
226
227 snprintf(buffer, SIZE, " - name: %s\n", getName());
228 result.append(buffer);
229 snprintf(buffer, SIZE, " - handle: %d\n", mHandle);
230 result.append(buffer);
231 snprintf(buffer, SIZE, " - version: %u.%u\n", getHalVersionMajor(), getHalVersionMinor());
232 result.append(buffer);
233 write(fd, result.string(), result.size());
234 if (mOutputProfiles.size()) {
235 write(fd, " - outputs:\n", strlen(" - outputs:\n"));
236 for (size_t i = 0; i < mOutputProfiles.size(); i++) {
237 snprintf(buffer, SIZE, " output %zu:\n", i);
238 write(fd, buffer, strlen(buffer));
239 mOutputProfiles[i]->dump(fd);
240 }
241 }
242 if (mInputProfiles.size()) {
243 write(fd, " - inputs:\n", strlen(" - inputs:\n"));
244 for (size_t i = 0; i < mInputProfiles.size(); i++) {
245 snprintf(buffer, SIZE, " input %zu:\n", i);
246 write(fd, buffer, strlen(buffer));
247 mInputProfiles[i]->dump(fd);
248 }
249 }
250 mDeclaredDevices.dump(fd, String8("Declared"), 2, true);
251 mRoutes.dump(fd, 2);
252 }
253
getModuleFromName(const char * name) const254 sp <HwModule> HwModuleCollection::getModuleFromName(const char *name) const
255 {
256 for (const auto& module : *this) {
257 if (strcmp(module->getName(), name) == 0) {
258 return module;
259 }
260 }
261 return nullptr;
262 }
263
getModuleForDevice(audio_devices_t device) const264 sp <HwModule> HwModuleCollection::getModuleForDevice(audio_devices_t device) const
265 {
266 for (const auto& module : *this) {
267 const auto& profiles = audio_is_output_device(device) ?
268 module->getOutputProfiles() : module->getInputProfiles();
269 for (const auto& profile : profiles) {
270 if (profile->supportDevice(device)) {
271 return module;
272 }
273 }
274 }
275 return nullptr;
276 }
277
getDeviceDescriptor(const audio_devices_t device,const char * device_address,const char * device_name,bool matchAdress) const278 sp<DeviceDescriptor> HwModuleCollection::getDeviceDescriptor(const audio_devices_t device,
279 const char *device_address,
280 const char *device_name,
281 bool matchAdress) const
282 {
283 String8 address = (device_address == nullptr) ? String8("") : String8(device_address);
284 // handle legacy remote submix case where the address was not always specified
285 if (device_distinguishes_on_address(device) && (address.length() == 0)) {
286 address = String8("0");
287 }
288
289 for (const auto& hwModule : *this) {
290 DeviceVector declaredDevices = hwModule->getDeclaredDevices();
291 DeviceVector deviceList = declaredDevices.getDevicesFromTypeAddr(device, address);
292 if (!deviceList.isEmpty()) {
293 return deviceList.itemAt(0);
294 }
295 if (!matchAdress) {
296 deviceList = declaredDevices.getDevicesFromType(device);
297 if (!deviceList.isEmpty()) {
298 return deviceList.itemAt(0);
299 }
300 }
301 }
302
303 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(device);
304 devDesc->setName(String8(device_name));
305 devDesc->mAddress = address;
306 return devDesc;
307 }
308
dump(int fd) const309 status_t HwModuleCollection::dump(int fd) const
310 {
311 const size_t SIZE = 256;
312 char buffer[SIZE];
313
314 snprintf(buffer, SIZE, "\nHW Modules dump:\n");
315 write(fd, buffer, strlen(buffer));
316 for (size_t i = 0; i < size(); i++) {
317 snprintf(buffer, SIZE, "- HW Module %zu:\n", i + 1);
318 write(fd, buffer, strlen(buffer));
319 itemAt(i)->dump(fd);
320 }
321 return NO_ERROR;
322 }
323
324
325 } //namespace android
326