46 #include <tinyalsa/plugin.h>
79     /** pointer to plugin operation */
81     struct pcm_plugin *plugin;  member
114     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_close()  local
116     plug_data->ops->close(plugin);  in pcm_plug_close()
209 static int pcm_plug_get_params(struct pcm_plugin *plugin,  in pcm_plug_get_params()  argument
218      * using the hw_param constraints provided by plugin  in pcm_plug_get_params()
219      * via the plugin->constraints  in pcm_plug_get_params()
224                       plugin->constraints->access);  in pcm_plug_get_params()
226                       plugin->constraints->format);  in pcm_plug_get_params()
232                           &plugin->constraints->bit_width, 1);  in pcm_plug_get_params()
234                           &plugin->constraints->channels, 1);  in pcm_plug_get_params()
236                           &plugin->constraints->rate, 1);  in pcm_plug_get_params()
238                           &plugin->constraints->period_bytes, 0);  in pcm_plug_get_params()
240                           &plugin->constraints->periods, 1);  in pcm_plug_get_params()
244     bw.min = plugin->constraints->bit_width.min;  in pcm_plug_get_params()
245     bw.max = plugin->constraints->bit_width.max;  in pcm_plug_get_params()
247     ch.min = plugin->constraints->channels.min;  in pcm_plug_get_params()
248     ch.max = plugin->constraints->channels.max;  in pcm_plug_get_params()
250     pb.min = plugin->constraints->period_bytes.min;  in pcm_plug_get_params()
251     pb.max = plugin->constraints->period_bytes.max;  in pcm_plug_get_params()
253     periods.min = plugin->constraints->periods.min;  in pcm_plug_get_params()
254     periods.max = plugin->constraints->periods.max;  in pcm_plug_get_params()
405     struct pcm_plugin *plugin = plug_data->plugin;  in __pcm_plug_hrefine()  local
410     rc = pcm_plug_get_params(plugin, &plug_params);  in __pcm_plug_hrefine()
499     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_hparams()  local
502     if (plugin->state != PCM_PLUG_STATE_OPEN)  in pcm_plug_hparams()
516     rc = plug_data->ops->hw_params(plugin, params);  in pcm_plug_hparams()
518         plugin->state = PCM_PLUG_STATE_SETUP;  in pcm_plug_hparams()
526     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_sparams()  local
528     if (plugin->state != PCM_PLUG_STATE_SETUP)  in pcm_plug_sparams()
531     return plug_data->ops->sw_params(plugin, params);  in pcm_plug_sparams()
537     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_sync_ptr()  local
540     if (plugin->state >= PCM_PLUG_STATE_SETUP) {  in pcm_plug_sync_ptr()
541         ret = plug_data->ops->sync_ptr(plugin, sync_ptr);  in pcm_plug_sync_ptr()
543             sync_ptr->s.status.state = convert_plugin_to_pcm_state(plugin->state);  in pcm_plug_sync_ptr()
552     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_writei_frames()  local
554     if (plugin->state != PCM_PLUG_STATE_PREPARED &&  in pcm_plug_writei_frames()
555         plugin->state != PCM_PLUG_STATE_RUNNING)  in pcm_plug_writei_frames()
558     return plug_data->ops->writei_frames(plugin, x);  in pcm_plug_writei_frames()
564     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_readi_frames()  local
566     if (plugin->state != PCM_PLUG_STATE_RUNNING)  in pcm_plug_readi_frames()
569     return plug_data->ops->readi_frames(plugin, x);  in pcm_plug_readi_frames()
575     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_ttstamp()  local
577     if (plugin->state < PCM_PLUG_STATE_SETUP)  in pcm_plug_ttstamp()
580     return plug_data->ops->ttstamp(plugin, tstamp);  in pcm_plug_ttstamp()
585     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_prepare()  local
588     if (plugin->state != PCM_PLUG_STATE_SETUP)  in pcm_plug_prepare()
591     rc = plug_data->ops->prepare(plugin);  in pcm_plug_prepare()
593         plugin->state = PCM_PLUG_STATE_PREPARED;  in pcm_plug_prepare()
600     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_start()  local
603     if (plugin->state != PCM_PLUG_STATE_PREPARED)  in pcm_plug_start()
606     rc = plug_data->ops->start(plugin);  in pcm_plug_start()
608         plugin->state = PCM_PLUG_STATE_RUNNING;  in pcm_plug_start()
615     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_drop()  local
618     rc = plug_data->ops->drop(plugin);  in pcm_plug_drop()
620         plugin->state = PCM_PLUG_STATE_SETUP;  in pcm_plug_drop()
627     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_drain()  local
629     if (plugin->state != PCM_PLUG_STATE_RUNNING)  in pcm_plug_drain()
632     return plug_data->ops->drain(plugin);  in pcm_plug_drain()
638     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_ioctl()  local
685         ret = plug_data->ops->ioctl(plugin, cmd, arg);  in pcm_plug_ioctl()
696     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_poll()  local
698     return plug_data->ops->poll(plugin, pfd, nfds, timeout);  in pcm_plug_poll()
705     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_mmap()  local
707     if (plugin->state != PCM_PLUG_STATE_SETUP)  in pcm_plug_mmap()
710     return plug_data->ops->mmap(plugin, addr, length, prot, flags, offset);  in pcm_plug_mmap()
716     struct pcm_plugin *plugin = plug_data->plugin;  in pcm_plug_munmap()  local
718     if (plugin->state != PCM_PLUG_STATE_SETUP)  in pcm_plug_munmap()
721     return plug_data->ops->munmap(plugin, addr, length);  in pcm_plug_munmap()
739         fprintf(stderr, "%s: failed to get plugin lib name\n", __func__);  in pcm_plug_open()
760     rc = plug_data->ops->open(&plug_data->plugin, card, device, flags);  in pcm_plug_open()
762         fprintf(stderr, "%s: failed to open plugin\n", __func__);  in pcm_plug_open()
774     plug_data->plugin->state = PCM_PLUG_STATE_OPEN;  in pcm_plug_open()