diff options
-rw-r--r-- | sound/soc/sof/core.c | 22 | ||||
-rw-r--r-- | sound/soc/sof/debug.c | 1 | ||||
-rw-r--r-- | sound/soc/sof/pcm.c | 13 | ||||
-rw-r--r-- | sound/soc/sof/pm.c | 5 | ||||
-rw-r--r-- | sound/soc/sof/sof-audio.c | 2 | ||||
-rw-r--r-- | sound/soc/sof/sof-client.c | 3 | ||||
-rw-r--r-- | sound/soc/sof/topology.c | 130 |
7 files changed, 168 insertions, 8 deletions
diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c index 06bcae631612..9a9d82220fd0 100644 --- a/sound/soc/sof/core.c +++ b/sound/soc/sof/core.c @@ -208,6 +208,11 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) /* set up platform component driver */ snd_sof_new_platform_drv(sdev); + if (sdev->dspless_mode_selected) { + sof_set_fw_state(sdev, SOF_DSPLESS_MODE); + goto skip_dsp_init; + } + /* register any debug/trace capabilities */ ret = snd_sof_dbg_init(sdev); if (ret < 0) { @@ -266,6 +271,7 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) dev_dbg(sdev->dev, "SOF firmware trace disabled\n"); } +skip_dsp_init: /* hereafter all FW boot flows are for PM reasons */ sdev->first_boot = false; @@ -387,12 +393,18 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data) return ret; /* check all mandatory ops */ - if (!sof_ops(sdev) || !sof_ops(sdev)->probe || !sof_ops(sdev)->run || - !sof_ops(sdev)->block_read || !sof_ops(sdev)->block_write || - !sof_ops(sdev)->send_msg || !sof_ops(sdev)->load_firmware || - !sof_ops(sdev)->ipc_msg_data) { + if (!sof_ops(sdev) || !sof_ops(sdev)->probe) { + sof_ops_free(sdev); + dev_err(dev, "missing mandatory ops\n"); + return -EINVAL; + } + + if (!sdev->dspless_mode_selected && + (!sof_ops(sdev)->run || !sof_ops(sdev)->block_read || + !sof_ops(sdev)->block_write || !sof_ops(sdev)->send_msg || + !sof_ops(sdev)->load_firmware || !sof_ops(sdev)->ipc_msg_data)) { sof_ops_free(sdev); - dev_err(dev, "error: missing mandatory ops\n"); + dev_err(dev, "missing mandatory DSP ops\n"); return -EINVAL; } diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c index ade0507328af..b42b5982cbbc 100644 --- a/sound/soc/sof/debug.c +++ b/sound/soc/sof/debug.c @@ -370,6 +370,7 @@ static const struct soc_fw_state_info { const char *name; } fw_state_dbg[] = { {SOF_FW_BOOT_NOT_STARTED, "SOF_FW_BOOT_NOT_STARTED"}, + {SOF_DSPLESS_MODE, "SOF_DSPLESS_MODE"}, {SOF_FW_BOOT_PREPARE, "SOF_FW_BOOT_PREPARE"}, {SOF_FW_BOOT_IN_PROGRESS, "SOF_FW_BOOT_IN_PROGRESS"}, {SOF_FW_BOOT_FAILED, "SOF_FW_BOOT_FAILED"}, diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index d9b4633bba7a..127b68caf9e1 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -330,6 +330,11 @@ static int sof_pcm_trigger(struct snd_soc_component *component, spcm->stream[substream->stream].suspend_ignored = true; return 0; } + + /* On suspend the DMA must be stopped in DSPless mode */ + if (sdev->dspless_mode_selected) + reset_hw_params = true; + fallthrough; case SNDRV_PCM_TRIGGER_STOP: ipc_first = true; @@ -705,7 +710,6 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev) pd->pcm_construct = sof_pcm_new; pd->ignore_machine = drv_name; - pd->be_hw_params_fixup = sof_pcm_dai_link_fixup; pd->be_pcm_base = SOF_BE_PCM_BASE; pd->use_dai_pcm_id = true; pd->topology_name_prefix = "sof"; @@ -714,4 +718,11 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev) pd->module_get_upon_open = 1; pd->legacy_dai_naming = 1; + + /* + * The fixup is only needed when the DSP is in use as with the DSPless + * mode we are directly using the audio interface + */ + if (!sdev->dspless_mode_selected) + pd->be_hw_params_fixup = sof_pcm_dai_link_fixup; } diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c index 8d3383085d12..c74ce8d414e7 100644 --- a/sound/soc/sof/pm.c +++ b/sound/soc/sof/pm.c @@ -103,6 +103,11 @@ static int sof_resume(struct device *dev, bool runtime_resume) return ret; } + if (sdev->dspless_mode_selected) { + sof_set_fw_state(sdev, SOF_DSPLESS_MODE); + return 0; + } + /* * Nothing further to be done for platforms that support the low power * D0 substate. Resume trace and return when resuming from diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c index 4f12e137ff63..7651644fcd62 100644 --- a/sound/soc/sof/sof-audio.c +++ b/sound/soc/sof/sof-audio.c @@ -688,7 +688,7 @@ int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, struct snd_sof_widget *pipe_widget; struct snd_sof_pipeline *spipe; - if (!swidget) + if (!swidget || sdev->dspless_mode_selected) continue; spipe = swidget->spipe; diff --git a/sound/soc/sof/sof-client.c b/sound/soc/sof/sof-client.c index 9017f0864cdd..d6b7caa0cf03 100644 --- a/sound/soc/sof/sof-client.c +++ b/sound/soc/sof/sof-client.c @@ -130,6 +130,9 @@ int sof_register_clients(struct snd_sof_dev *sdev) { int ret; + if (sdev->dspless_mode_selected) + return 0; + /* Register platform independent client devices */ ret = sof_register_ipc_flood_test(sdev); if (ret) { diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index bc8ca1e05b83..d3d536b0a8f5 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -1144,8 +1144,12 @@ static void sof_disconnect_dai_widget(struct snd_soc_component *scomp, static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm, int dir) { + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); struct snd_sof_widget *host_widget; + if (sdev->dspless_mode_selected) + return 0; + host_widget = snd_sof_find_swidget_sname(scomp, spcm->pcm.caps[dir].name, dir); @@ -2270,6 +2274,126 @@ static struct snd_soc_tplg_ops sof_tplg_ops = { .bytes_ext_ops_count = ARRAY_SIZE(sof_bytes_ext_ops), }; +static int snd_sof_dspless_kcontrol(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + return 0; +} + +static const struct snd_soc_tplg_kcontrol_ops sof_dspless_io_ops[] = { + {SOF_TPLG_KCTL_VOL_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol}, + {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol}, + {SOF_TPLG_KCTL_ENUM_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol}, + {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol}, +}; + +static int snd_sof_dspless_bytes_ext_get(struct snd_kcontrol *kcontrol, + unsigned int __user *binary_data, + unsigned int size) +{ + return 0; +} + +static int snd_sof_dspless_bytes_ext_put(struct snd_kcontrol *kcontrol, + const unsigned int __user *binary_data, + unsigned int size) +{ + return 0; +} + +static const struct snd_soc_tplg_bytes_ext_ops sof_dspless_bytes_ext_ops[] = { + {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_bytes_ext_get, snd_sof_dspless_bytes_ext_put}, + {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_dspless_bytes_ext_get}, +}; + +/* external widget init - used for any driver specific init */ +static int sof_dspless_widget_ready(struct snd_soc_component *scomp, int index, + struct snd_soc_dapm_widget *w, + struct snd_soc_tplg_dapm_widget *tw) +{ + if (WIDGET_IS_DAI(w->id)) { + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); + struct snd_sof_widget *swidget; + struct snd_sof_dai dai; + int ret; + + swidget = kzalloc(sizeof(*swidget), GFP_KERNEL); + if (!swidget) + return -ENOMEM; + + memset(&dai, 0, sizeof(dai)); + + ret = sof_connect_dai_widget(scomp, w, tw, &dai); + if (ret) { + kfree(swidget); + return ret; + } + + swidget->scomp = scomp; + swidget->widget = w; + mutex_init(&swidget->setup_mutex); + w->dobj.private = swidget; + list_add(&swidget->list, &sdev->widget_list); + } + + return 0; +} + +static int sof_dspless_widget_unload(struct snd_soc_component *scomp, + struct snd_soc_dobj *dobj) +{ + struct snd_soc_dapm_widget *w = container_of(dobj, struct snd_soc_dapm_widget, dobj); + + if (WIDGET_IS_DAI(w->id)) { + struct snd_sof_widget *swidget = dobj->private; + + sof_disconnect_dai_widget(scomp, w); + + if (!swidget) + return 0; + + /* remove and free swidget object */ + list_del(&swidget->list); + kfree(swidget); + } + + return 0; +} + +static int sof_dspless_link_load(struct snd_soc_component *scomp, int index, + struct snd_soc_dai_link *link, + struct snd_soc_tplg_link_config *cfg) +{ + link->platforms->name = dev_name(scomp->dev); + + /* Set nonatomic property for FE dai links for FE-BE compatibility */ + if (!link->no_pcm) + link->nonatomic = true; + + return 0; +} + +static struct snd_soc_tplg_ops sof_dspless_tplg_ops = { + /* external widget init - used for any driver specific init */ + .widget_ready = sof_dspless_widget_ready, + .widget_unload = sof_dspless_widget_unload, + + /* FE DAI - used for any driver specific init */ + .dai_load = sof_dai_load, + .dai_unload = sof_dai_unload, + + /* DAI link - used for any driver specific init */ + .link_load = sof_dspless_link_load, + + /* vendor specific kcontrol handlers available for binding */ + .io_ops = sof_dspless_io_ops, + .io_ops_count = ARRAY_SIZE(sof_dspless_io_ops), + + /* vendor specific bytes ext handlers available for binding */ + .bytes_ext_ops = sof_dspless_bytes_ext_ops, + .bytes_ext_ops_count = ARRAY_SIZE(sof_dspless_bytes_ext_ops), +}; + int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file) { struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); @@ -2287,7 +2411,11 @@ int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file) return ret; } - ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw); + if (sdev->dspless_mode_selected) + ret = snd_soc_tplg_component_load(scomp, &sof_dspless_tplg_ops, fw); + else + ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw); + if (ret < 0) { dev_err(scomp->dev, "error: tplg component load failed %d\n", ret); |