Lines Matching full:fe
52 /* is the current PCM operation for this FE ? */
54 static int snd_soc_dpcm_fe_can_update(struct snd_soc_pcm_runtime *fe, int stream)
56 if (fe->dpcm[stream].runtime_update == SND_SOC_DPCM_UPDATE_FE)
63 static int snd_soc_dpcm_be_can_update(struct snd_soc_pcm_runtime *fe, in snd_soc_dpcm_be_can_update() argument
66 if ((fe->dpcm[stream].runtime_update == SND_SOC_DPCM_UPDATE_FE) || in snd_soc_dpcm_be_can_update()
67 ((fe->dpcm[stream].runtime_update == SND_SOC_DPCM_UPDATE_BE) && in snd_soc_dpcm_be_can_update()
73 static int snd_soc_dpcm_check_state(struct snd_soc_pcm_runtime *fe, in snd_soc_dpcm_check_state() argument
86 if (dpcm->fe == fe) in snd_soc_dpcm_check_state()
89 state = dpcm->fe->dpcm[stream].state; in snd_soc_dpcm_check_state()
103 * We can only hw_free, stop, pause or suspend a BE DAI if any of it's FE
106 static int snd_soc_dpcm_can_be_free_stop(struct snd_soc_pcm_runtime *fe, in snd_soc_dpcm_can_be_free_stop() argument
115 return snd_soc_dpcm_check_state(fe, be, stream, state, ARRAY_SIZE(state)); in snd_soc_dpcm_can_be_free_stop()
119 * We can only change hw params a BE DAI if any of it's FE are not prepared,
122 static int snd_soc_dpcm_can_be_params(struct snd_soc_pcm_runtime *fe, in snd_soc_dpcm_can_be_params() argument
132 return snd_soc_dpcm_check_state(fe, be, stream, state, ARRAY_SIZE(state)); in snd_soc_dpcm_can_be_params()
136 * We can only prepare a BE DAI if any of it's FE are not prepared,
139 static int snd_soc_dpcm_can_be_prepared(struct snd_soc_pcm_runtime *fe, in snd_soc_dpcm_can_be_prepared() argument
148 return snd_soc_dpcm_check_state(fe, be, stream, state, ARRAY_SIZE(state)); in snd_soc_dpcm_can_be_prepared()
191 static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe, in dpcm_show_state() argument
194 struct snd_pcm_hw_params *params = &fe->dpcm[stream].hw_params; in dpcm_show_state()
198 /* FE state */ in dpcm_show_state()
200 "[%s - %s]\n", fe->dai_link->name, in dpcm_show_state()
204 dpcm_state_string(fe->dpcm[stream].state)); in dpcm_show_state()
206 if ((fe->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) && in dpcm_show_state()
207 (fe->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP)) in dpcm_show_state()
218 if (list_empty(&fe->dpcm[stream].be_clients)) { in dpcm_show_state()
224 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_show_state()
251 struct snd_soc_pcm_runtime *fe = file->private_data; in dpcm_state_read_file() local
256 if (fe->dai_link->num_cpus > 1) { in dpcm_state_read_file()
257 dev_err(fe->dev, in dpcm_state_read_file()
266 snd_soc_dpcm_mutex_lock(fe); in dpcm_state_read_file()
268 if (snd_soc_dai_stream_valid(snd_soc_rtd_to_cpu(fe, 0), stream)) in dpcm_state_read_file()
269 offset += dpcm_show_state(fe, stream, in dpcm_state_read_file()
272 snd_soc_dpcm_mutex_unlock(fe); in dpcm_state_read_file()
309 name, dpcm->fe->debugfs_dpcm_root); in dpcm_create_debugfs_state()
332 /* Set FE's runtime_update state; the state is protected via PCM stream lock
338 static void dpcm_set_fe_update_state(struct snd_soc_pcm_runtime *fe, in dpcm_set_fe_update_state() argument
342 snd_soc_dpcm_get_substream(fe, stream); in dpcm_set_fe_update_state()
345 if (state == SND_SOC_DPCM_UPDATE_NO && fe->dpcm[stream].trigger_pending) { in dpcm_set_fe_update_state()
347 fe->dpcm[stream].trigger_pending - 1); in dpcm_set_fe_update_state()
348 fe->dpcm[stream].trigger_pending = 0; in dpcm_set_fe_update_state()
350 fe->dpcm[stream].runtime_update = state; in dpcm_set_fe_update_state()
435 /* DPCM stream event, send event to FE and all active BEs. */
436 int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir, in dpcm_dapm_stream_event() argument
441 snd_soc_dpcm_mutex_assert_held(fe); in dpcm_dapm_stream_event()
443 for_each_dpcm_be(fe, dir, dpcm) { in dpcm_dapm_stream_event()
457 snd_soc_dapm_stream_event(fe, dir, event); in dpcm_dapm_stream_event()
1320 /* connect a FE and BE */
1321 static int dpcm_be_connect(struct snd_soc_pcm_runtime *fe, in dpcm_be_connect() argument
1328 snd_soc_dpcm_mutex_assert_held(fe); in dpcm_be_connect()
1331 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_be_connect()
1332 if (dpcm->be == be && dpcm->fe == fe) in dpcm_be_connect()
1336 fe_substream = snd_soc_dpcm_get_substream(fe, stream); in dpcm_be_connect()
1340 dev_err(be->dev, "%s: FE is atomic but BE is nonatomic, invalid configuration\n", in dpcm_be_connect()
1345 dev_dbg(be->dev, "FE is nonatomic but BE is not, forcing BE as nonatomic\n"); in dpcm_be_connect()
1354 dpcm->fe = fe; in dpcm_be_connect()
1357 list_add(&dpcm->list_be, &fe->dpcm[stream].be_clients); in dpcm_be_connect()
1361 dev_dbg(fe->dev, "connected new DPCM %s path %s %s %s\n", in dpcm_be_connect()
1362 snd_pcm_direction_name(stream), fe->dai_link->name, in dpcm_be_connect()
1370 /* reparent a BE onto another FE */
1371 static void dpcm_be_reparent(struct snd_soc_pcm_runtime *fe, in dpcm_be_reparent() argument
1386 if (dpcm->fe == fe) in dpcm_be_reparent()
1389 dev_dbg(fe->dev, "reparent %s path %s %s %s\n", in dpcm_be_reparent()
1391 dpcm->fe->dai_link->name, in dpcm_be_reparent()
1394 fe_substream = snd_soc_dpcm_get_substream(dpcm->fe, stream); in dpcm_be_reparent()
1400 /* disconnect a BE and FE */
1401 void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream) in dpcm_be_disconnect() argument
1404 struct snd_pcm_substream *substream = snd_soc_dpcm_get_substream(fe, stream); in dpcm_be_disconnect()
1407 snd_soc_dpcm_mutex_assert_held(fe); in dpcm_be_disconnect()
1410 for_each_dpcm_be_safe(fe, stream, dpcm, d) { in dpcm_be_disconnect()
1411 dev_dbg(fe->dev, "ASoC: BE %s disconnect check for %s\n", in dpcm_be_disconnect()
1418 dev_dbg(fe->dev, "freed DSP %s path %s %s %s\n", in dpcm_be_disconnect()
1419 snd_pcm_direction_name(stream), fe->dai_link->name, in dpcm_be_disconnect()
1422 /* BEs still alive need new FE */ in dpcm_be_disconnect()
1423 dpcm_be_reparent(fe, dpcm->be, stream); in dpcm_be_disconnect()
1507 int dpcm_path_get(struct snd_soc_pcm_runtime *fe, in dpcm_path_get() argument
1510 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(fe, 0); in dpcm_path_get()
1513 if (fe->dai_link->num_cpus > 1) { in dpcm_path_get()
1514 dev_err(fe->dev, in dpcm_path_get()
1521 fe->card->component_chaining ? in dpcm_path_get()
1525 dev_dbg(fe->dev, "ASoC: found %d audio %s paths\n", paths, in dpcm_path_get()
1528 dev_dbg(fe->dev, "ASoC: %s no valid %s path\n", fe->dai_link->name, in dpcm_path_get()
1560 static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream, in dpcm_prune_paths() argument
1566 /* Destroy any old FE <--> BE connections */ in dpcm_prune_paths()
1567 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_prune_paths()
1571 dev_dbg(fe->dev, "ASoC: pruning %s BE %s for %s\n", in dpcm_prune_paths()
1573 dpcm->be->dai_link->name, fe->dai_link->name); in dpcm_prune_paths()
1579 dev_dbg(fe->dev, "ASoC: found %d old BE paths for pruning\n", prune); in dpcm_prune_paths()
1583 static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream, in dpcm_add_paths() argument
1586 struct snd_soc_card *card = fe->card; in dpcm_add_paths()
1590 struct snd_pcm_substream *fe_substream = snd_soc_dpcm_get_substream(fe, stream); in dpcm_add_paths()
1593 /* don't connect if FE is not running */ in dpcm_add_paths()
1594 if (!fe_substream->runtime && !fe->fe_compr) in dpcm_add_paths()
1597 /* Create any new FE <--> BE connections */ in dpcm_add_paths()
1616 dev_dbg(fe->dev, "ASoC: no BE found for %s\n", in dpcm_add_paths()
1626 if (fe->card->component_chaining && in dpcm_add_paths()
1631 /* newly connected FE and BE */ in dpcm_add_paths()
1632 err = dpcm_be_connect(fe, be, stream); in dpcm_add_paths()
1634 dev_err(fe->dev, "ASoC: can't connect %s\n", in dpcm_add_paths()
1645 dev_dbg(fe->dev, "ASoC: found %d new BE paths\n", new); in dpcm_add_paths()
1651 * FE substream.
1653 int dpcm_process_paths(struct snd_soc_pcm_runtime *fe, in dpcm_process_paths() argument
1657 return dpcm_add_paths(fe, stream, list); in dpcm_process_paths()
1659 return dpcm_prune_paths(fe, stream, list); in dpcm_process_paths()
1662 void dpcm_clear_pending_state(struct snd_soc_pcm_runtime *fe, int stream) in dpcm_clear_pending_state() argument
1666 for_each_dpcm_be(fe, stream, dpcm) in dpcm_clear_pending_state()
1670 void dpcm_be_dai_stop(struct snd_soc_pcm_runtime *fe, int stream, in dpcm_be_dai_stop() argument
1676 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_be_dai_stop()
1685 if (!snd_soc_dpcm_be_can_update(fe, be, stream)) in dpcm_be_dai_stop()
1714 int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream) in dpcm_be_dai_startup() argument
1716 struct snd_pcm_substream *fe_substream = snd_soc_dpcm_get_substream(fe, stream); in dpcm_be_dai_startup()
1721 /* only startup BE DAIs that are either sinks or sources to this FE DAI */ in dpcm_be_dai_startup()
1722 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_be_dai_startup()
1735 if (!snd_soc_dpcm_be_can_update(fe, be, stream)) in dpcm_be_dai_startup()
1776 dpcm_be_dai_startup_rollback(fe, stream, dpcm); in dpcm_be_dai_startup()
1778 return soc_pcm_ret(fe, err); in dpcm_be_dai_startup()
1783 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_runtime_setup_fe() local
1796 for_each_rtd_cpu_dais(fe, i, dai) { in dpcm_runtime_setup_fe()
1818 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_runtime_setup_be_format() local
1825 if (!fe->dai_link->dpcm_merged_format) in dpcm_runtime_setup_be_format()
1830 * if FE want to use it (= dpcm_merged_format) in dpcm_runtime_setup_be_format()
1833 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_runtime_setup_be_format()
1856 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_runtime_setup_be_chan() local
1862 if (!fe->dai_link->dpcm_merged_chan) in dpcm_runtime_setup_be_chan()
1867 * if FE want to use it (= dpcm_merged_chan) in dpcm_runtime_setup_be_chan()
1870 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_runtime_setup_be_chan()
1904 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_runtime_setup_be_rate() local
1910 if (!fe->dai_link->dpcm_merged_rate) in dpcm_runtime_setup_be_rate()
1915 * if FE want to use it (= dpcm_merged_chan) in dpcm_runtime_setup_be_rate()
1918 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_runtime_setup_be_rate()
1943 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(fe_substream); in dpcm_apply_symmetry() local
1948 /* apply symmetry for FE */ in dpcm_apply_symmetry()
1951 for_each_rtd_cpu_dais (fe, i, fe_cpu_dai) { in dpcm_apply_symmetry()
1959 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_apply_symmetry()
1984 return soc_pcm_ret(fe, err); in dpcm_apply_symmetry()
1989 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(fe_substream); in dpcm_fe_dai_startup() local
1992 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE); in dpcm_fe_dai_startup()
1994 ret = dpcm_be_dai_startup(fe, stream); in dpcm_fe_dai_startup()
1998 dev_dbg(fe->dev, "ASoC: open FE %s\n", fe->dai_link->name); in dpcm_fe_dai_startup()
2001 ret = __soc_pcm_open(fe, fe_substream); in dpcm_fe_dai_startup()
2005 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN; in dpcm_fe_dai_startup()
2017 dpcm_be_dai_startup_unwind(fe, stream); in dpcm_fe_dai_startup()
2019 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO); in dpcm_fe_dai_startup()
2021 return soc_pcm_ret(fe, ret); in dpcm_fe_dai_startup()
2026 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_fe_dai_shutdown() local
2029 snd_soc_dpcm_mutex_assert_held(fe); in dpcm_fe_dai_shutdown()
2031 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE); in dpcm_fe_dai_shutdown()
2034 dpcm_be_dai_shutdown(fe, stream); in dpcm_fe_dai_shutdown()
2036 dev_dbg(fe->dev, "ASoC: close FE %s\n", fe->dai_link->name); in dpcm_fe_dai_shutdown()
2039 __soc_pcm_close(fe, substream); in dpcm_fe_dai_shutdown()
2042 dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP); in dpcm_fe_dai_shutdown()
2044 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE; in dpcm_fe_dai_shutdown()
2045 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO); in dpcm_fe_dai_shutdown()
2049 void dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream) in dpcm_be_dai_hw_free() argument
2055 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_be_dai_hw_free()
2062 if (!snd_soc_dpcm_be_can_update(fe, be, stream)) in dpcm_be_dai_hw_free()
2066 if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream)) in dpcm_be_dai_hw_free()
2069 /* do not free hw if this BE is used by other FE */ in dpcm_be_dai_hw_free()
2092 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_fe_dai_hw_free() local
2095 snd_soc_dpcm_mutex_lock(fe); in dpcm_fe_dai_hw_free()
2096 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE); in dpcm_fe_dai_hw_free()
2098 dev_dbg(fe->dev, "ASoC: hw_free FE %s\n", fe->dai_link->name); in dpcm_fe_dai_hw_free()
2101 soc_pcm_hw_clean(fe, substream, 0); in dpcm_fe_dai_hw_free()
2105 dpcm_be_dai_hw_free(fe, stream); in dpcm_fe_dai_hw_free()
2107 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_FREE; in dpcm_fe_dai_hw_free()
2108 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO); in dpcm_fe_dai_hw_free()
2110 snd_soc_dpcm_mutex_unlock(fe); in dpcm_fe_dai_hw_free()
2114 int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream) in dpcm_be_dai_hw_params() argument
2121 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_be_dai_hw_params()
2128 if (!snd_soc_dpcm_be_can_update(fe, be, stream)) in dpcm_be_dai_hw_params()
2132 memcpy(&hw_params, &fe->dpcm[stream].hw_params, in dpcm_be_dai_hw_params()
2145 if (!snd_soc_dpcm_can_be_params(fe, be, stream)) in dpcm_be_dai_hw_params()
2165 dev_dbg(fe->dev, "ASoC: %s() failed at %s (%d)\n", in dpcm_be_dai_hw_params()
2169 for_each_dpcm_be_rollback(fe, stream, dpcm) { in dpcm_be_dai_hw_params()
2173 if (!snd_soc_dpcm_be_can_update(fe, be, stream)) in dpcm_be_dai_hw_params()
2177 if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream)) in dpcm_be_dai_hw_params()
2195 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_fe_dai_hw_params() local
2198 snd_soc_dpcm_mutex_lock(fe); in dpcm_fe_dai_hw_params()
2199 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE); in dpcm_fe_dai_hw_params()
2201 memcpy(&fe->dpcm[stream].hw_params, params, in dpcm_fe_dai_hw_params()
2203 ret = dpcm_be_dai_hw_params(fe, stream); in dpcm_fe_dai_hw_params()
2207 dev_dbg(fe->dev, "ASoC: hw_params FE %s rate %d chan %x fmt %d\n", in dpcm_fe_dai_hw_params()
2208 fe->dai_link->name, params_rate(params), in dpcm_fe_dai_hw_params()
2212 ret = __soc_pcm_hw_params(fe, substream, params); in dpcm_fe_dai_hw_params()
2214 dpcm_be_dai_hw_free(fe, stream); in dpcm_fe_dai_hw_params()
2216 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_PARAMS; in dpcm_fe_dai_hw_params()
2219 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO); in dpcm_fe_dai_hw_params()
2220 snd_soc_dpcm_mutex_unlock(fe); in dpcm_fe_dai_hw_params()
2222 return soc_pcm_ret(fe, ret); in dpcm_fe_dai_hw_params()
2225 int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream, in dpcm_be_dai_trigger() argument
2234 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_be_dai_trigger()
2243 if (!snd_soc_dpcm_be_can_update(fe, be, stream)) in dpcm_be_dai_trigger()
2296 fe->dpcm[stream].fe_pause = false; in dpcm_be_dai_trigger()
2323 if (fe->dpcm[stream].fe_pause) { in dpcm_be_dai_trigger()
2325 fe->dpcm[stream].fe_pause = false; in dpcm_be_dai_trigger()
2338 fe->dpcm[stream].fe_pause = true; in dpcm_be_dai_trigger()
2370 fe->dpcm[stream].fe_pause = true; in dpcm_be_dai_trigger()
2391 return soc_pcm_ret(fe, ret); in dpcm_be_dai_trigger()
2398 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_dai_trigger_fe_be() local
2403 dev_dbg(fe->dev, "ASoC: pre trigger FE %s cmd %d\n", in dpcm_dai_trigger_fe_be()
2404 fe->dai_link->name, cmd); in dpcm_dai_trigger_fe_be()
2410 ret = dpcm_be_dai_trigger(fe, substream->stream, cmd); in dpcm_dai_trigger_fe_be()
2415 ret = dpcm_be_dai_trigger(fe, substream->stream, cmd); in dpcm_dai_trigger_fe_be()
2419 dev_dbg(fe->dev, "ASoC: post trigger FE %s cmd %d\n", in dpcm_dai_trigger_fe_be()
2420 fe->dai_link->name, cmd); in dpcm_dai_trigger_fe_be()
2429 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_fe_dai_do_trigger() local
2432 enum snd_soc_dpcm_trigger trigger = fe->dai_link->trigger[stream]; in dpcm_fe_dai_do_trigger()
2434 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; in dpcm_fe_dai_do_trigger()
2474 dev_err(fe->dev, "ASoC: invalid trigger cmd %d for %s\n", cmd, in dpcm_fe_dai_do_trigger()
2475 fe->dai_link->name); in dpcm_fe_dai_do_trigger()
2481 dev_err(fe->dev, "ASoC: trigger FE cmd: %d failed: %d\n", in dpcm_fe_dai_do_trigger()
2490 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_START; in dpcm_fe_dai_do_trigger()
2494 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP; in dpcm_fe_dai_do_trigger()
2497 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED; in dpcm_fe_dai_do_trigger()
2502 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; in dpcm_fe_dai_do_trigger()
2508 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_fe_dai_trigger() local
2511 /* if FE's runtime_update is already set, we're in race; in dpcm_fe_dai_trigger()
2514 if (fe->dpcm[stream].runtime_update != SND_SOC_DPCM_UPDATE_NO) { in dpcm_fe_dai_trigger()
2515 fe->dpcm[stream].trigger_pending = cmd + 1; in dpcm_fe_dai_trigger()
2523 int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream) in dpcm_be_dai_prepare() argument
2528 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_be_dai_prepare()
2535 if (!snd_soc_dpcm_be_can_update(fe, be, stream)) in dpcm_be_dai_prepare()
2538 if (!snd_soc_dpcm_can_be_prepared(fe, be, stream)) in dpcm_be_dai_prepare()
2557 return soc_pcm_ret(fe, ret); in dpcm_be_dai_prepare()
2562 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(substream); in dpcm_fe_dai_prepare() local
2565 snd_soc_dpcm_mutex_lock(fe); in dpcm_fe_dai_prepare()
2567 dev_dbg(fe->dev, "ASoC: prepare FE %s\n", fe->dai_link->name); in dpcm_fe_dai_prepare()
2569 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE); in dpcm_fe_dai_prepare()
2571 /* there is no point preparing this FE if there are no BEs */ in dpcm_fe_dai_prepare()
2572 if (list_empty(&fe->dpcm[stream].be_clients)) { in dpcm_fe_dai_prepare()
2574 …dev_err_once(fe->dev, "ASoC: no backend DAIs enabled for %s, possibly missing ALSA mixer-based rou… in dpcm_fe_dai_prepare()
2575 fe->dai_link->name); in dpcm_fe_dai_prepare()
2576 dev_dbg(fe->dev, "ASoC: no backend DAIs enabled for %s\n", in dpcm_fe_dai_prepare()
2577 fe->dai_link->name); in dpcm_fe_dai_prepare()
2582 ret = dpcm_be_dai_prepare(fe, stream); in dpcm_fe_dai_prepare()
2587 ret = __soc_pcm_prepare(fe, substream); in dpcm_fe_dai_prepare()
2591 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE; in dpcm_fe_dai_prepare()
2594 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO); in dpcm_fe_dai_prepare()
2595 snd_soc_dpcm_mutex_unlock(fe); in dpcm_fe_dai_prepare()
2597 return soc_pcm_ret(fe, ret); in dpcm_fe_dai_prepare()
2600 static int dpcm_run_update_shutdown(struct snd_soc_pcm_runtime *fe, int stream) in dpcm_run_update_shutdown() argument
2604 dev_dbg(fe->dev, "ASoC: runtime %s close on FE %s\n", in dpcm_run_update_shutdown()
2605 snd_pcm_direction_name(stream), fe->dai_link->name); in dpcm_run_update_shutdown()
2607 err = dpcm_be_dai_trigger(fe, stream, SNDRV_PCM_TRIGGER_STOP); in dpcm_run_update_shutdown()
2609 dpcm_be_dai_hw_free(fe, stream); in dpcm_run_update_shutdown()
2611 dpcm_be_dai_shutdown(fe, stream); in dpcm_run_update_shutdown()
2614 dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_NOP); in dpcm_run_update_shutdown()
2616 return soc_pcm_ret(fe, err); in dpcm_run_update_shutdown()
2619 static int dpcm_run_update_startup(struct snd_soc_pcm_runtime *fe, int stream) in dpcm_run_update_startup() argument
2624 dev_dbg(fe->dev, "ASoC: runtime %s open on FE %s\n", in dpcm_run_update_startup()
2625 snd_pcm_direction_name(stream), fe->dai_link->name); in dpcm_run_update_startup()
2627 /* Only start the BE if the FE is ready */ in dpcm_run_update_startup()
2628 if (fe->dpcm[stream].state == SND_SOC_DPCM_STATE_HW_FREE || in dpcm_run_update_startup()
2629 fe->dpcm[stream].state == SND_SOC_DPCM_STATE_CLOSE) { in dpcm_run_update_startup()
2630 dev_err(fe->dev, "ASoC: FE %s is not ready %d\n", in dpcm_run_update_startup()
2631 fe->dai_link->name, fe->dpcm[stream].state); in dpcm_run_update_startup()
2637 ret = dpcm_be_dai_startup(fe, stream); in dpcm_run_update_startup()
2641 /* keep going if FE state is > open */ in dpcm_run_update_startup()
2642 if (fe->dpcm[stream].state == SND_SOC_DPCM_STATE_OPEN) in dpcm_run_update_startup()
2645 ret = dpcm_be_dai_hw_params(fe, stream); in dpcm_run_update_startup()
2649 /* keep going if FE state is > hw_params */ in dpcm_run_update_startup()
2650 if (fe->dpcm[stream].state == SND_SOC_DPCM_STATE_HW_PARAMS) in dpcm_run_update_startup()
2653 ret = dpcm_be_dai_prepare(fe, stream); in dpcm_run_update_startup()
2658 dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_NOP); in dpcm_run_update_startup()
2660 /* keep going if FE state is > prepare */ in dpcm_run_update_startup()
2661 if (fe->dpcm[stream].state == SND_SOC_DPCM_STATE_PREPARE || in dpcm_run_update_startup()
2662 fe->dpcm[stream].state == SND_SOC_DPCM_STATE_STOP) in dpcm_run_update_startup()
2665 ret = dpcm_be_dai_trigger(fe, stream, SNDRV_PCM_TRIGGER_START); in dpcm_run_update_startup()
2672 dpcm_be_dai_hw_free(fe, stream); in dpcm_run_update_startup()
2674 dpcm_be_dai_shutdown(fe, stream); in dpcm_run_update_startup()
2677 for_each_dpcm_be(fe, stream, dpcm) { in dpcm_run_update_startup()
2681 if (!snd_soc_dpcm_be_can_update(fe, be, stream)) in dpcm_run_update_startup()
2689 return soc_pcm_ret(fe, ret); in dpcm_run_update_startup()
2692 static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new) in soc_dpcm_fe_runtime_update() argument
2698 if (!fe->dai_link->dynamic) in soc_dpcm_fe_runtime_update()
2701 if (fe->dai_link->num_cpus > 1) { in soc_dpcm_fe_runtime_update()
2702 dev_err(fe->dev, in soc_dpcm_fe_runtime_update()
2708 if (!snd_soc_dai_active(snd_soc_rtd_to_cpu(fe, 0))) in soc_dpcm_fe_runtime_update()
2712 dev_dbg(fe->dev, "ASoC: DPCM %s runtime update for FE %s\n", in soc_dpcm_fe_runtime_update()
2713 new ? "new" : "old", fe->dai_link->name); in soc_dpcm_fe_runtime_update()
2717 /* skip if FE doesn't have playback/capture capability */ in soc_dpcm_fe_runtime_update()
2718 if (!snd_soc_dai_stream_valid(snd_soc_rtd_to_cpu(fe, 0), stream) || in soc_dpcm_fe_runtime_update()
2719 !snd_soc_dai_stream_valid(snd_soc_rtd_to_codec(fe, 0), stream)) in soc_dpcm_fe_runtime_update()
2722 /* skip if FE isn't currently playing/capturing */ in soc_dpcm_fe_runtime_update()
2723 if (!snd_soc_dai_stream_active(snd_soc_rtd_to_cpu(fe, 0), stream) || in soc_dpcm_fe_runtime_update()
2724 !snd_soc_dai_stream_active(snd_soc_rtd_to_codec(fe, 0), stream)) in soc_dpcm_fe_runtime_update()
2727 paths = dpcm_path_get(fe, stream, &list); in soc_dpcm_fe_runtime_update()
2732 count = dpcm_process_paths(fe, stream, &list, new); in soc_dpcm_fe_runtime_update()
2734 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_BE); in soc_dpcm_fe_runtime_update()
2736 dpcm_run_update_startup(fe, stream); in soc_dpcm_fe_runtime_update()
2738 dpcm_run_update_shutdown(fe, stream); in soc_dpcm_fe_runtime_update()
2739 dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO); in soc_dpcm_fe_runtime_update()
2741 dpcm_clear_pending_state(fe, stream); in soc_dpcm_fe_runtime_update()
2742 dpcm_be_disconnect(fe, stream); in soc_dpcm_fe_runtime_update()
2756 struct snd_soc_pcm_runtime *fe; in snd_soc_dpcm_runtime_update() local
2761 for_each_card_rtds(card, fe) { in snd_soc_dpcm_runtime_update()
2762 ret = soc_dpcm_fe_runtime_update(fe, 0); in snd_soc_dpcm_runtime_update()
2768 for_each_card_rtds(card, fe) { in snd_soc_dpcm_runtime_update()
2769 ret = soc_dpcm_fe_runtime_update(fe, 1); in snd_soc_dpcm_runtime_update()
2782 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(fe_substream); in dpcm_fe_dai_cleanup() local
2786 snd_soc_dpcm_mutex_assert_held(fe); in dpcm_fe_dai_cleanup()
2788 /* mark FE's links ready to prune */ in dpcm_fe_dai_cleanup()
2789 for_each_dpcm_be(fe, stream, dpcm) in dpcm_fe_dai_cleanup()
2792 dpcm_be_disconnect(fe, stream); in dpcm_fe_dai_cleanup()
2797 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(fe_substream); in dpcm_fe_dai_close() local
2800 snd_soc_dpcm_mutex_lock(fe); in dpcm_fe_dai_close()
2805 snd_soc_dpcm_mutex_unlock(fe); in dpcm_fe_dai_close()
2811 struct snd_soc_pcm_runtime *fe = snd_soc_substream_to_rtd(fe_substream); in dpcm_fe_dai_open() local
2816 snd_soc_dpcm_mutex_lock(fe); in dpcm_fe_dai_open()
2818 ret = dpcm_path_get(fe, stream, &list); in dpcm_fe_dai_open()
2822 /* calculate valid and active FE <-> BE dpcms */ in dpcm_fe_dai_open()
2823 dpcm_process_paths(fe, stream, &list, 1); in dpcm_fe_dai_open()
2829 dpcm_clear_pending_state(fe, stream); in dpcm_fe_dai_open()
2832 snd_soc_dpcm_mutex_unlock(fe); in dpcm_fe_dai_open()