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 Vector <sp<AudioPort> > sources = route->getSources();
158 for (size_t i = 0; i < sources.size(); i++) {
159 if (sources[i]->getType() == AUDIO_PORT_TYPE_DEVICE) {
160 sourceDevices.add(mDeclaredDevices.getDeviceFromTagName(sources[i]->getTagName()));
161 }
162 }
163 return sourceDevices;
164 }
165
setRoutes(const AudioRouteVector & routes)166 void HwModule::setRoutes(const AudioRouteVector &routes)
167 {
168 mRoutes = routes;
169 // Now updating the streams (aka IOProfile until now) supported devices
170 refreshSupportedDevices();
171 }
172
refreshSupportedDevices()173 void HwModule::refreshSupportedDevices()
174 {
175 // Now updating the streams (aka IOProfile until now) supported devices
176 for (size_t i = 0; i < mInputProfiles.size(); i++) {
177 sp<IOProfile> stream = mInputProfiles[i];
178 DeviceVector sourceDevices;
179 const AudioRouteVector &routes = stream->getRoutes();
180 for (size_t j = 0; j < routes.size(); j++) {
181 sp<AudioPort> sink = routes[j]->getSink();
182 if (sink == 0 || stream != sink) {
183 ALOGE("%s: Invalid route attached to input stream", __FUNCTION__);
184 continue;
185 }
186 DeviceVector sourceDevicesForRoute = getRouteSourceDevices(routes[j]);
187 if (sourceDevicesForRoute.isEmpty()) {
188 ALOGE("%s: invalid source devices for %s", __FUNCTION__, stream->getName().string());
189 continue;
190 }
191 sourceDevices.add(sourceDevicesForRoute);
192 }
193 if (sourceDevices.isEmpty()) {
194 ALOGE("%s: invalid source devices for %s", __FUNCTION__, stream->getName().string());
195 continue;
196 }
197 stream->setSupportedDevices(sourceDevices);
198 }
199 for (size_t i = 0; i < mOutputProfiles.size(); i++) {
200 sp<IOProfile> stream = mOutputProfiles[i];
201 DeviceVector sinkDevices;
202 const AudioRouteVector &routes = stream->getRoutes();
203 for (size_t j = 0; j < routes.size(); j++) {
204 sp<AudioPort> source = routes[j]->getSources().findByTagName(stream->getTagName());
205 if (source == 0 || stream != source) {
206 ALOGE("%s: Invalid route attached to output stream", __FUNCTION__);
207 continue;
208 }
209 sp<DeviceDescriptor> sinkDevice = getRouteSinkDevice(routes[j]);
210 if (sinkDevice == 0) {
211 ALOGE("%s: invalid sink device for %s", __FUNCTION__, stream->getName().string());
212 continue;
213 }
214 sinkDevices.add(sinkDevice);
215 }
216 stream->setSupportedDevices(sinkDevices);
217 }
218 }
219
dump(int fd)220 void HwModule::dump(int fd)
221 {
222 const size_t SIZE = 256;
223 char buffer[SIZE];
224 String8 result;
225
226 snprintf(buffer, SIZE, " - name: %s\n", getName());
227 result.append(buffer);
228 snprintf(buffer, SIZE, " - handle: %d\n", mHandle);
229 result.append(buffer);
230 snprintf(buffer, SIZE, " - version: %u.%u\n", getHalVersionMajor(), getHalVersionMinor());
231 result.append(buffer);
232 write(fd, result.string(), result.size());
233 if (mOutputProfiles.size()) {
234 write(fd, " - outputs:\n", strlen(" - outputs:\n"));
235 for (size_t i = 0; i < mOutputProfiles.size(); i++) {
236 snprintf(buffer, SIZE, " output %zu:\n", i);
237 write(fd, buffer, strlen(buffer));
238 mOutputProfiles[i]->dump(fd);
239 }
240 }
241 if (mInputProfiles.size()) {
242 write(fd, " - inputs:\n", strlen(" - inputs:\n"));
243 for (size_t i = 0; i < mInputProfiles.size(); i++) {
244 snprintf(buffer, SIZE, " input %zu:\n", i);
245 write(fd, buffer, strlen(buffer));
246 mInputProfiles[i]->dump(fd);
247 }
248 }
249 mDeclaredDevices.dump(fd, String8("Declared"), 2, true);
250 mRoutes.dump(fd, 2);
251 }
252
getModuleFromName(const char * name) const253 sp <HwModule> HwModuleCollection::getModuleFromName(const char *name) const
254 {
255 sp <HwModule> module;
256
257 for (size_t i = 0; i < size(); i++)
258 {
259 if (strcmp(itemAt(i)->getName(), name) == 0) {
260 return itemAt(i);
261 }
262 }
263 return module;
264 }
265
266
getModuleForDevice(audio_devices_t device) const267 sp <HwModule> HwModuleCollection::getModuleForDevice(audio_devices_t device) const
268 {
269 sp <HwModule> module;
270
271 for (size_t i = 0; i < size(); i++) {
272 if (itemAt(i)->getHandle() == 0) {
273 continue;
274 }
275 if (audio_is_output_device(device)) {
276 for (size_t j = 0; j < itemAt(i)->mOutputProfiles.size(); j++)
277 {
278 if (itemAt(i)->mOutputProfiles[j]->supportDevice(device)) {
279 return itemAt(i);
280 }
281 }
282 } else {
283 for (size_t j = 0; j < itemAt(i)->mInputProfiles.size(); j++) {
284 if (itemAt(i)->mInputProfiles[j]->supportDevice(device)) {
285 return itemAt(i);
286 }
287 }
288 }
289 }
290 return module;
291 }
292
getDeviceDescriptor(const audio_devices_t device,const char * device_address,const char * device_name,bool matchAdress) const293 sp<DeviceDescriptor> HwModuleCollection::getDeviceDescriptor(const audio_devices_t device,
294 const char *device_address,
295 const char *device_name,
296 bool matchAdress) const
297 {
298 String8 address = (device_address == NULL) ? String8("") : String8(device_address);
299 // handle legacy remote submix case where the address was not always specified
300 if (device_distinguishes_on_address(device) && (address.length() == 0)) {
301 address = String8("0");
302 }
303
304 for (size_t i = 0; i < size(); i++) {
305 const sp<HwModule> hwModule = itemAt(i);
306 if (hwModule->mHandle == 0) {
307 continue;
308 }
309 DeviceVector declaredDevices = hwModule->getDeclaredDevices();
310 DeviceVector deviceList = declaredDevices.getDevicesFromTypeAddr(device, address);
311 if (!deviceList.isEmpty()) {
312 return deviceList.itemAt(0);
313 }
314 if (!matchAdress) {
315 deviceList = declaredDevices.getDevicesFromType(device);
316 if (!deviceList.isEmpty()) {
317 return deviceList.itemAt(0);
318 }
319 }
320 }
321
322 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(device);
323 devDesc->setName(String8(device_name));
324 devDesc->mAddress = address;
325 return devDesc;
326 }
327
dump(int fd) const328 status_t HwModuleCollection::dump(int fd) const
329 {
330 const size_t SIZE = 256;
331 char buffer[SIZE];
332
333 snprintf(buffer, SIZE, "\nHW Modules dump:\n");
334 write(fd, buffer, strlen(buffer));
335 for (size_t i = 0; i < size(); i++) {
336 snprintf(buffer, SIZE, "- HW Module %zu:\n", i + 1);
337 write(fd, buffer, strlen(buffer));
338 itemAt(i)->dump(fd);
339 }
340 return NO_ERROR;
341 }
342
343 } //namespace android
344