45 #include <tinyalsa/plugin.h>
78     /** pointer to plugin operation */
80     struct pcm_plugin *plugin;  member
113     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_close()  local
115     plug_data->ops->close(plugin);  in pcm_plug_close()
208 static int pcm_plug_get_params(struct pcm_plugin *plugin,  in pcm_plug_get_params()  argument
217      * using the hw_param constraints provided by plugin  in pcm_plug_get_params()
218      * via the plugin->constraints  in pcm_plug_get_params()
223                       plugin->constraints->access);  in pcm_plug_get_params()
225                       plugin->constraints->format);  in pcm_plug_get_params()
231                           &plugin->constraints->bit_width, 1);  in pcm_plug_get_params()
233                           &plugin->constraints->channels, 1);  in pcm_plug_get_params()
235                           &plugin->constraints->rate, 1);  in pcm_plug_get_params()
237                           &plugin->constraints->period_bytes, 0);  in pcm_plug_get_params()
239                           &plugin->constraints->periods, 1);  in pcm_plug_get_params()
243     bw.min = plugin->constraints->bit_width.min;  in pcm_plug_get_params()
244     bw.max = plugin->constraints->bit_width.max;  in pcm_plug_get_params()
246     ch.min = plugin->constraints->channels.min;  in pcm_plug_get_params()
247     ch.max = plugin->constraints->channels.max;  in pcm_plug_get_params()
249     pb.min = plugin->constraints->period_bytes.min;  in pcm_plug_get_params()
250     pb.max = plugin->constraints->period_bytes.max;  in pcm_plug_get_params()
252     periods.min = plugin->constraints->periods.min;  in pcm_plug_get_params()
253     periods.max = plugin->constraints->periods.max;  in pcm_plug_get_params()
404     struct pcm_plugin *plugin = plug_data->plugin;  in __pcm_plug_hrefine()  local
409     rc = pcm_plug_get_params(plugin, &plug_params);  in __pcm_plug_hrefine()
498     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_hparams()  local
501     if (plugin->state != PCM_PLUG_STATE_OPEN)  in pcm_plug_hparams()
515     rc = plug_data->ops->hw_params(plugin, params);  in pcm_plug_hparams()
517         plugin->state = PCM_PLUG_STATE_SETUP;  in pcm_plug_hparams()
525     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_sparams()  local
527     if (plugin->state != PCM_PLUG_STATE_SETUP)  in pcm_plug_sparams()
530     return plug_data->ops->sw_params(plugin, params);  in pcm_plug_sparams()
536     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_sync_ptr()  local
539     if (plugin->state >= PCM_PLUG_STATE_SETUP) {  in pcm_plug_sync_ptr()
540         ret = plug_data->ops->sync_ptr(plugin, sync_ptr);  in pcm_plug_sync_ptr()
542             sync_ptr->s.status.state = convert_plugin_to_pcm_state(plugin->state);  in pcm_plug_sync_ptr()
551     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_writei_frames()  local
553     if (plugin->state != PCM_PLUG_STATE_PREPARED &&  in pcm_plug_writei_frames()
554         plugin->state != PCM_PLUG_STATE_RUNNING)  in pcm_plug_writei_frames()
557     return plug_data->ops->writei_frames(plugin, x);  in pcm_plug_writei_frames()
563     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_readi_frames()  local
565     if (plugin->state != PCM_PLUG_STATE_RUNNING)  in pcm_plug_readi_frames()
568     return plug_data->ops->readi_frames(plugin, x);  in pcm_plug_readi_frames()
574     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_ttstamp()  local
576     if (plugin->state < PCM_PLUG_STATE_SETUP)  in pcm_plug_ttstamp()
579     return plug_data->ops->ttstamp(plugin, tstamp);  in pcm_plug_ttstamp()
584     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_prepare()  local
587     if (plugin->state != PCM_PLUG_STATE_SETUP)  in pcm_plug_prepare()
590     rc = plug_data->ops->prepare(plugin);  in pcm_plug_prepare()
592         plugin->state = PCM_PLUG_STATE_PREPARED;  in pcm_plug_prepare()
599     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_start()  local
602     if (plugin->state != PCM_PLUG_STATE_PREPARED)  in pcm_plug_start()
605     rc = plug_data->ops->start(plugin);  in pcm_plug_start()
607         plugin->state = PCM_PLUG_STATE_RUNNING;  in pcm_plug_start()
614     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_drop()  local
617     rc = plug_data->ops->drop(plugin);  in pcm_plug_drop()
619         plugin->state = PCM_PLUG_STATE_SETUP;  in pcm_plug_drop()
627     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_ioctl()  local
671         ret = plug_data->ops->ioctl(plugin, cmd, arg);  in pcm_plug_ioctl()
682     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_poll()  local
684     return plug_data->ops->poll(plugin, pfd, nfds, timeout);  in pcm_plug_poll()
691     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_mmap()  local
693     if (plugin->state != PCM_PLUG_STATE_SETUP)  in pcm_plug_mmap()
696     return plug_data->ops->mmap(plugin, addr, length, prot, flags, offset);  in pcm_plug_mmap()
702     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_munmap()  local
704     if (plugin->state != PCM_PLUG_STATE_SETUP)  in pcm_plug_munmap()
707     return plug_data->ops->munmap(plugin, addr, length);  in pcm_plug_munmap()
725         fprintf(stderr, "%s: failed to get plugin lib name\n", __func__);  in pcm_plug_open()
746     rc = plug_data->ops->open(&plug_data->plugin, card, device, flags);  in pcm_plug_open()
748         fprintf(stderr, "%s: failed to open plugin\n", __func__);  in pcm_plug_open()
760     plug_data->plugin->state = PCM_PLUG_STATE_OPEN;  in pcm_plug_open()