diff options
Diffstat (limited to 'sound/soc/generic')
| -rw-r--r-- | sound/soc/generic/Kconfig | 4 | ||||
| -rw-r--r-- | sound/soc/generic/audio-graph-card.c | 465 | ||||
| -rw-r--r-- | sound/soc/generic/audio-graph-scu-card.c | 262 | ||||
| -rw-r--r-- | sound/soc/generic/simple-card-utils.c | 45 | ||||
| -rw-r--r-- | sound/soc/generic/simple-card.c | 402 | ||||
| -rw-r--r-- | sound/soc/generic/simple-scu-card.c | 264 |
6 files changed, 1102 insertions, 340 deletions
diff --git a/sound/soc/generic/Kconfig b/sound/soc/generic/Kconfig index c954be0a0f96..92c2cf06f40a 100644 --- a/sound/soc/generic/Kconfig +++ b/sound/soc/generic/Kconfig @@ -6,6 +6,7 @@ config SND_SIMPLE_CARD select SND_SIMPLE_CARD_UTILS help This option enables generic simple sound card support + It also support DPCM of multi CPU single Codec ststem. config SND_SIMPLE_SCU_CARD tristate "ASoC Simple SCU sound card support" @@ -20,8 +21,9 @@ config SND_AUDIO_GRAPH_CARD depends on OF select SND_SIMPLE_CARD_UTILS help - This option enables generic simple simple sound card support + This option enables generic simple sound card support with OF-graph DT bindings. + It also support DPCM of multi CPU single Codec ststem. config SND_AUDIO_GRAPH_SCU_CARD tristate "ASoC Audio Graph SCU sound card support" diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 25c819e402e1..0d6144560a1e 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -23,19 +23,29 @@ struct graph_card_data { struct snd_soc_card snd_card; struct graph_dai_props { - struct asoc_simple_dai cpu_dai; - struct asoc_simple_dai codec_dai; + struct asoc_simple_dai *cpu_dai; + struct asoc_simple_dai *codec_dai; struct snd_soc_dai_link_component codecs; /* single codec */ struct snd_soc_dai_link_component platform; + struct asoc_simple_card_data adata; + struct snd_soc_codec_conf *codec_conf; unsigned int mclk_fs; } *dai_props; - unsigned int mclk_fs; struct asoc_simple_jack hp_jack; struct asoc_simple_jack mic_jack; struct snd_soc_dai_link *dai_link; + struct asoc_simple_dai *dais; + struct snd_soc_codec_conf *codec_conf; struct gpio_desc *pa_gpio; }; +#define graph_priv_to_card(priv) (&(priv)->snd_card) +#define graph_priv_to_props(priv, i) ((priv)->dai_props + (i)) +#define graph_priv_to_dev(priv) (graph_priv_to_card(priv)->dev) +#define graph_priv_to_link(priv, i) (graph_priv_to_card(priv)->dai_link + (i)) + +#define PREFIX "audio-graph-card," + static int asoc_graph_card_outdrv_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) @@ -63,11 +73,6 @@ static const struct snd_soc_dapm_widget asoc_graph_card_dapm_widgets[] = { SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), }; -#define graph_priv_to_card(priv) (&(priv)->snd_card) -#define graph_priv_to_props(priv, i) ((priv)->dai_props + (i)) -#define graph_priv_to_dev(priv) (graph_priv_to_card(priv)->dev) -#define graph_priv_to_link(priv, i) (graph_priv_to_card(priv)->dai_link + (i)) - static int asoc_graph_card_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; @@ -75,13 +80,13 @@ static int asoc_graph_card_startup(struct snd_pcm_substream *substream) struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); int ret; - ret = asoc_simple_card_clk_enable(&dai_props->cpu_dai); + ret = asoc_simple_card_clk_enable(dai_props->cpu_dai); if (ret) return ret; - ret = asoc_simple_card_clk_enable(&dai_props->codec_dai); + ret = asoc_simple_card_clk_enable(dai_props->codec_dai); if (ret) - asoc_simple_card_clk_disable(&dai_props->cpu_dai); + asoc_simple_card_clk_disable(dai_props->cpu_dai); return ret; } @@ -92,9 +97,9 @@ static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream) struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card); struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); - asoc_simple_card_clk_disable(&dai_props->cpu_dai); + asoc_simple_card_clk_disable(dai_props->cpu_dai); - asoc_simple_card_clk_disable(&dai_props->codec_dai); + asoc_simple_card_clk_disable(dai_props->codec_dai); } static int asoc_graph_card_hw_params(struct snd_pcm_substream *substream, @@ -108,9 +113,7 @@ static int asoc_graph_card_hw_params(struct snd_pcm_substream *substream, unsigned int mclk, mclk_fs = 0; int ret = 0; - if (priv->mclk_fs) - mclk_fs = priv->mclk_fs; - else if (dai_props->mclk_fs) + if (dai_props->mclk_fs) mclk_fs = dai_props->mclk_fs; if (mclk_fs) { @@ -139,86 +142,238 @@ static const struct snd_soc_ops asoc_graph_card_ops = { static int asoc_graph_card_dai_init(struct snd_soc_pcm_runtime *rtd) { struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card); - struct snd_soc_dai *codec = rtd->codec_dai; - struct snd_soc_dai *cpu = rtd->cpu_dai; - struct graph_dai_props *dai_props = - graph_priv_to_props(priv, rtd->num); - int ret; + struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); + int ret = 0; - ret = asoc_simple_card_init_dai(codec, &dai_props->codec_dai); + ret = asoc_simple_card_init_dai(rtd->codec_dai, + dai_props->codec_dai); if (ret < 0) return ret; - ret = asoc_simple_card_init_dai(cpu, &dai_props->cpu_dai); + ret = asoc_simple_card_init_dai(rtd->cpu_dai, + dai_props->cpu_dai); if (ret < 0) return ret; return 0; } -static int asoc_graph_card_dai_link_of(struct device_node *cpu_port, - struct graph_card_data *priv, - int idx) +static int asoc_graph_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); + + asoc_simple_card_convert_fixup(&dai_props->adata, params); + + return 0; +} + +static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top, + struct device_node *cpu_ep, + struct device_node *codec_ep, + struct graph_card_data *priv, + int *dai_idx, int link_idx, + int *conf_idx, int is_cpu) { struct device *dev = graph_priv_to_dev(priv); - struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, idx); - struct graph_dai_props *dai_props = graph_priv_to_props(priv, idx); - struct asoc_simple_dai *cpu_dai = &dai_props->cpu_dai; - struct asoc_simple_dai *codec_dai = &dai_props->codec_dai; - struct device_node *cpu_ep = of_get_next_child(cpu_port, NULL); - struct device_node *codec_ep = of_graph_get_remote_endpoint(cpu_ep); - struct device_node *rcpu_ep = of_graph_get_remote_endpoint(codec_ep); + struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, link_idx); + struct graph_dai_props *dai_props = graph_priv_to_props(priv, link_idx); + struct device_node *ep = is_cpu ? cpu_ep : codec_ep; + struct device_node *port = of_get_parent(ep); + struct device_node *ports = of_get_parent(port); + struct device_node *node = of_graph_get_port_parent(ep); + struct asoc_simple_dai *dai; + struct snd_soc_dai_link_component *codecs = dai_link->codecs; int ret; - if (rcpu_ep != cpu_ep) { - dev_err(dev, "remote-endpoint mismatch (%s/%s/%s)\n", - cpu_ep->name, codec_ep->name, rcpu_ep->name); - ret = -EINVAL; - goto dai_link_of_err; + dev_dbg(dev, "link_of DPCM (for %s)\n", is_cpu ? "CPU" : "Codec"); + + of_property_read_u32(top, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(ports, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(port, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(ep, "mclk-fs", &dai_props->mclk_fs); + + asoc_simple_card_parse_convert(dev, top, NULL, &dai_props->adata); + asoc_simple_card_parse_convert(dev, node, PREFIX, &dai_props->adata); + asoc_simple_card_parse_convert(dev, ports, NULL, &dai_props->adata); + asoc_simple_card_parse_convert(dev, port, NULL, &dai_props->adata); + asoc_simple_card_parse_convert(dev, ep, NULL, &dai_props->adata); + + of_node_put(ports); + of_node_put(port); + + if (is_cpu) { + + /* BE is dummy */ + codecs->of_node = NULL; + codecs->dai_name = "snd-soc-dummy-dai"; + codecs->name = "snd-soc-dummy"; + + /* FE settings */ + dai_link->dynamic = 1; + dai_link->dpcm_merged_format = 1; + + dai = + dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + + ret = asoc_simple_card_parse_graph_cpu(ep, dai_link); + if (ret) + return ret; + + ret = asoc_simple_card_parse_clk_cpu(dev, ep, dai_link, dai); + if (ret < 0) + return ret; + + ret = asoc_simple_card_set_dailink_name(dev, dai_link, + "fe.%s", + dai_link->cpu_dai_name); + if (ret < 0) + return ret; + + /* card->num_links includes Codec */ + asoc_simple_card_canonicalize_cpu(dai_link, + of_graph_get_endpoint_count(dai_link->cpu_of_node) == 1); + } else { + struct snd_soc_codec_conf *cconf; + + /* FE is dummy */ + dai_link->cpu_of_node = NULL; + dai_link->cpu_dai_name = "snd-soc-dummy-dai"; + dai_link->cpu_name = "snd-soc-dummy"; + + /* BE settings */ + dai_link->no_pcm = 1; + dai_link->be_hw_params_fixup = asoc_graph_card_be_hw_params_fixup; + + dai = + dai_props->codec_dai = &priv->dais[(*dai_idx)++]; + + cconf = + dai_props->codec_conf = &priv->codec_conf[(*conf_idx)++]; + + ret = asoc_simple_card_parse_graph_codec(ep, dai_link); + if (ret < 0) + return ret; + + ret = asoc_simple_card_parse_clk_codec(dev, ep, dai_link, dai); + if (ret < 0) + return ret; + + ret = asoc_simple_card_set_dailink_name(dev, dai_link, + "be.%s", + codecs->dai_name); + if (ret < 0) + return ret; + + /* check "prefix" from top node */ + snd_soc_of_parse_node_prefix(top, cconf, codecs->of_node, + "prefix"); + snd_soc_of_parse_node_prefix(node, cconf, codecs->of_node, + PREFIX "prefix"); + snd_soc_of_parse_node_prefix(ports, cconf, codecs->of_node, + "prefix"); + snd_soc_of_parse_node_prefix(port, cconf, codecs->of_node, + "prefix"); } + ret = asoc_simple_card_of_parse_tdm(ep, dai); + if (ret) + return ret; + + ret = asoc_simple_card_canonicalize_dailink(dai_link); + if (ret < 0) + return ret; + ret = asoc_simple_card_parse_daifmt(dev, cpu_ep, codec_ep, NULL, &dai_link->dai_fmt); if (ret < 0) - goto dai_link_of_err; + return ret; + + dai_link->dpcm_playback = 1; + dai_link->dpcm_capture = 1; + dai_link->ops = &asoc_graph_card_ops; + dai_link->init = asoc_graph_card_dai_init; + + return 0; +} + +static int asoc_graph_card_dai_link_of(struct device_node *top, + struct device_node *cpu_ep, + struct device_node *codec_ep, + struct graph_card_data *priv, + int *dai_idx, int link_idx) +{ + struct device *dev = graph_priv_to_dev(priv); + struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, link_idx); + struct graph_dai_props *dai_props = graph_priv_to_props(priv, link_idx); + struct device_node *cpu_port = of_get_parent(cpu_ep); + struct device_node *codec_port = of_get_parent(codec_ep); + struct device_node *cpu_ports = of_get_parent(cpu_port); + struct device_node *codec_ports = of_get_parent(codec_port); + struct asoc_simple_dai *cpu_dai; + struct asoc_simple_dai *codec_dai; + int ret; + + dev_dbg(dev, "link_of\n"); + + cpu_dai = + dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + codec_dai = + dai_props->codec_dai = &priv->dais[(*dai_idx)++]; - of_property_read_u32(cpu_ep, "mclk-fs", &dai_props->mclk_fs); - of_property_read_u32(codec_ep, "mclk-fs", &dai_props->mclk_fs); + /* Factor to mclk, used in hw_params() */ + of_property_read_u32(top, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(cpu_ports, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(codec_ports, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(cpu_port, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(codec_port, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(cpu_ep, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(codec_ep, "mclk-fs", &dai_props->mclk_fs); + of_node_put(cpu_port); + of_node_put(cpu_ports); + of_node_put(codec_port); + of_node_put(codec_ports); + + ret = asoc_simple_card_parse_daifmt(dev, cpu_ep, codec_ep, + NULL, &dai_link->dai_fmt); + if (ret < 0) + return ret; ret = asoc_simple_card_parse_graph_cpu(cpu_ep, dai_link); if (ret < 0) - goto dai_link_of_err; + return ret; ret = asoc_simple_card_parse_graph_codec(codec_ep, dai_link); if (ret < 0) - goto dai_link_of_err; + return ret; ret = asoc_simple_card_of_parse_tdm(cpu_ep, cpu_dai); if (ret < 0) - goto dai_link_of_err; + return ret; ret = asoc_simple_card_of_parse_tdm(codec_ep, codec_dai); if (ret < 0) - goto dai_link_of_err; + return ret; ret = asoc_simple_card_parse_clk_cpu(dev, cpu_ep, dai_link, cpu_dai); if (ret < 0) - goto dai_link_of_err; + return ret; ret = asoc_simple_card_parse_clk_codec(dev, codec_ep, dai_link, codec_dai); if (ret < 0) - goto dai_link_of_err; + return ret; ret = asoc_simple_card_canonicalize_dailink(dai_link); if (ret < 0) - goto dai_link_of_err; + return ret; ret = asoc_simple_card_set_dailink_name(dev, dai_link, "%s-%s", dai_link->cpu_dai_name, dai_link->codecs->dai_name); if (ret < 0) - goto dai_link_of_err; + return ret; dai_link->ops = &asoc_graph_card_ops; dai_link->init = asoc_graph_card_dai_init; @@ -226,12 +381,7 @@ static int asoc_graph_card_dai_link_of(struct device_node *cpu_port, asoc_simple_card_canonicalize_cpu(dai_link, of_graph_get_endpoint_count(dai_link->cpu_of_node) == 1); -dai_link_of_err: - of_node_put(cpu_ep); - of_node_put(rcpu_ep); - of_node_put(codec_ep); - - return ret; + return 0; } static int asoc_graph_card_parse_of(struct graph_card_data *priv) @@ -239,44 +389,173 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv) struct of_phandle_iterator it; struct device *dev = graph_priv_to_dev(priv); struct snd_soc_card *card = graph_priv_to_card(priv); - struct device_node *node = dev->of_node; - int rc, idx = 0; - int ret; + struct device_node *top = dev->of_node; + struct device_node *node = top; + struct device_node *cpu_port; + struct device_node *cpu_ep = NULL; + struct device_node *codec_ep = NULL; + struct device_node *codec_port = NULL; + struct device_node *codec_port_old = NULL; + int rc, ret; + int link_idx, dai_idx, conf_idx; + int cpu; ret = asoc_simple_card_of_parse_widgets(card, NULL); if (ret < 0) return ret; - ret = asoc_simple_card_of_parse_routing(card, NULL, 1); + ret = asoc_simple_card_of_parse_routing(card, NULL); if (ret < 0) return ret; - /* Factor to mclk, used in hw_params() */ - of_property_read_u32(node, "mclk-fs", &priv->mclk_fs); - - of_for_each_phandle(&it, rc, node, "dais", NULL, 0) { - ret = asoc_graph_card_dai_link_of(it.node, priv, idx++); - if (ret < 0) { - of_node_put(it.node); - - return ret; + link_idx = 0; + dai_idx = 0; + conf_idx = 0; + codec_port_old = NULL; + for (cpu = 1; cpu >= 0; cpu--) { + /* + * Detect all CPU first, and Detect all Codec 2nd. + * + * In Normal sound case, all DAIs are detected + * as "CPU-Codec". + * + * In DPCM sound case, + * all CPUs are detected as "CPU-dummy", and + * all Codecs are detected as "dummy-Codec". + * To avoid random sub-device numbering, + * detect "dummy-Codec" in last; + */ + of_for_each_phandle(&it, rc, node, "dais", NULL, 0) { + cpu_port = it.node; + cpu_ep = NULL; + while (1) { + cpu_ep = of_get_next_child(cpu_port, cpu_ep); + if (!cpu_ep) + break; + + codec_ep = of_graph_get_remote_endpoint(cpu_ep); + codec_port = of_get_parent(codec_ep); + + of_node_put(codec_ep); + of_node_put(codec_port); + + dev_dbg(dev, "%pOFf <-> %pOFf\n", cpu_ep, codec_ep); + + if (of_get_child_count(codec_port) > 1) { + /* + * for DPCM sound + */ + if (!cpu) { + if (codec_port_old == codec_port) + continue; + codec_port_old = codec_port; + } + ret = asoc_graph_card_dai_link_of_dpcm( + top, cpu_ep, codec_ep, priv, + &dai_idx, link_idx++, + &conf_idx, cpu); + } else if (cpu) { + /* + * for Normal sound + */ + ret = asoc_graph_card_dai_link_of( + top, cpu_ep, codec_ep, priv, + &dai_idx, link_idx++); + } + if (ret < 0) + return ret; + } } } return asoc_simple_card_parse_card_name(card, NULL); } -static int asoc_graph_get_dais_count(struct device *dev) +static void asoc_graph_get_dais_count(struct device *dev, + int *link_num, + int *dais_num, + int *ccnf_num) { struct of_phandle_iterator it; struct device_node *node = dev->of_node; - int count = 0; + struct device_node *cpu_port; + struct device_node *cpu_ep; + struct device_node *codec_ep; + struct device_node *codec_port; + struct device_node *codec_port_old; + struct device_node *codec_port_old2; int rc; - of_for_each_phandle(&it, rc, node, "dais", NULL, 0) - count++; - - return count; + /* + * link_num : number of links. + * CPU-Codec / CPU-dummy / dummy-Codec + * dais_num : number of DAIs + * ccnf_num : number of codec_conf + * same number for "dummy-Codec" + * + * ex1) + * CPU0 --- Codec0 link : 5 + * CPU1 --- Codec1 dais : 7 + * CPU2 -/ ccnf : 1 + * CPU3 --- Codec2 + * + * => 5 links = 2xCPU-Codec + 2xCPU-dummy + 1xdummy-Codec + * => 7 DAIs = 4xCPU + 3xCodec + * => 1 ccnf = 1xdummy-Codec + * + * ex2) + * CPU0 --- Codec0 link : 5 + * CPU1 --- Codec1 dais : 6 + * CPU2 -/ ccnf : 1 + * CPU3 -/ + * + * => 5 links = 1xCPU-Codec + 3xCPU-dummy + 1xdummy-Codec + * => 6 DAIs = 4xCPU + 2xCodec + * => 1 ccnf = 1xdummy-Codec + * + * ex3) + * CPU0 --- Codec0 link : 6 + * CPU1 -/ dais : 6 + * CPU2 --- Codec1 ccnf : 2 + * CPU3 -/ + * + * => 6 links = 0xCPU-Codec + 4xCPU-dummy + 2xdummy-Codec + * => 6 DAIs = 4xCPU + 2xCodec + * => 2 ccnf = 2xdummy-Codec + */ + codec_port_old = NULL; + codec_port_old2 = NULL; + of_for_each_phandle(&it, rc, node, "dais", NULL, 0) { + cpu_port = it.node; + cpu_ep = NULL; + while (1) { + cpu_ep = of_get_next_child(cpu_port, cpu_ep); + if (!cpu_ep) + break; + + codec_ep = of_graph_get_remote_endpoint(cpu_ep); + codec_port = of_get_parent(codec_ep); + + of_node_put(codec_ep); + of_node_put(codec_port); + + (*link_num)++; + (*dais_num)++; + + if (codec_port_old == codec_port) { + if (codec_port_old2 != codec_port_old) { + (*link_num)++; + (*ccnf_num)++; + } + + codec_port_old2 = codec_port_old; + continue; + } + + (*dais_num)++; + codec_port_old = codec_port; + } + } } static int asoc_graph_soc_card_probe(struct snd_soc_card *card) @@ -300,22 +579,27 @@ static int asoc_graph_card_probe(struct platform_device *pdev) struct graph_card_data *priv; struct snd_soc_dai_link *dai_link; struct graph_dai_props *dai_props; + struct asoc_simple_dai *dais; struct device *dev = &pdev->dev; struct snd_soc_card *card; - int num, ret, i; + struct snd_soc_codec_conf *cconf; + int lnum = 0, dnum = 0, cnum = 0; + int ret, i; /* Allocate the private data and the DAI link array */ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - num = asoc_graph_get_dais_count(dev); - if (num == 0) + asoc_graph_get_dais_count(dev, &lnum, &dnum, &cnum); + if (!lnum || !dnum) return -EINVAL; - dai_props = devm_kcalloc(dev, num, sizeof(*dai_props), GFP_KERNEL); - dai_link = devm_kcalloc(dev, num, sizeof(*dai_link), GFP_KERNEL); - if (!dai_props || !dai_link) + dai_props = devm_kcalloc(dev, lnum, sizeof(*dai_props), GFP_KERNEL); + dai_link = devm_kcalloc(dev, lnum, sizeof(*dai_link), GFP_KERNEL); + dais = devm_kcalloc(dev, dnum, sizeof(*dais), GFP_KERNEL); + cconf = devm_kcalloc(dev, cnum, sizeof(*cconf), GFP_KERNEL); + if (!dai_props || !dai_link || !dais) return -ENOMEM; /* @@ -324,7 +608,7 @@ static int asoc_graph_card_probe(struct platform_device *pdev) * see * soc-core.c :: snd_soc_init_multicodec() */ - for (i = 0; i < num; i++) { + for (i = 0; i < lnum; i++) { dai_link[i].codecs = &dai_props[i].codecs; dai_link[i].num_codecs = 1; dai_link[i].platform = &dai_props[i].platform; @@ -339,16 +623,20 @@ static int asoc_graph_card_probe(struct platform_device *pdev) priv->dai_props = dai_props; priv->dai_link = dai_link; + priv->dais = dais; + priv->codec_conf = cconf; /* Init snd_soc_card */ card = graph_priv_to_card(priv); - card->owner = THIS_MODULE; - card->dev = dev; - card->dai_link = dai_link; - card->num_links = num; - card->dapm_widgets = asoc_graph_card_dapm_widgets; - card->num_dapm_widgets = ARRAY_SIZE(asoc_graph_card_dapm_widgets); - card->probe = asoc_graph_soc_card_probe; + card->owner = THIS_MODULE; + card->dev = dev; + card->dai_link = dai_link; + card->num_links = lnum; + card->dapm_widgets = asoc_graph_card_dapm_widgets; + card->num_dapm_widgets = ARRAY_SIZE(asoc_graph_card_dapm_widgets); + card->probe = asoc_graph_soc_card_probe; + card->codec_conf = cconf; + card->num_configs = cnum; ret = asoc_graph_card_parse_of(priv); if (ret < 0) { @@ -379,6 +667,7 @@ static int asoc_graph_card_remove(struct platform_device *pdev) static const struct of_device_id asoc_graph_of_match[] = { { .compatible = "audio-graph-card", }, + { .compatible = "audio-graph-scu-card", }, {}, }; MODULE_DEVICE_TABLE(of, asoc_graph_of_match); diff --git a/sound/soc/generic/audio-graph-scu-card.c b/sound/soc/generic/audio-graph-scu-card.c index b83bb31021a9..e1b192ea147b 100644 --- a/sound/soc/generic/audio-graph-scu-card.c +++ b/sound/soc/generic/audio-graph-scu-card.c @@ -24,14 +24,18 @@ struct graph_card_data { struct snd_soc_card snd_card; - struct snd_soc_codec_conf codec_conf; struct graph_dai_props { - struct asoc_simple_dai dai; + struct asoc_simple_dai *cpu_dai; + struct asoc_simple_dai *codec_dai; struct snd_soc_dai_link_component codecs; struct snd_soc_dai_link_component platform; + struct asoc_simple_card_data adata; + struct snd_soc_codec_conf *codec_conf; } *dai_props; struct snd_soc_dai_link *dai_link; + struct asoc_simple_dai *dais; struct asoc_simple_card_data adata; + struct snd_soc_codec_conf *codec_conf; }; #define graph_priv_to_card(priv) (&(priv)->snd_card) @@ -39,13 +43,24 @@ struct graph_card_data { #define graph_priv_to_dev(priv) (graph_priv_to_card(priv)->dev) #define graph_priv_to_link(priv, i) (graph_priv_to_card(priv)->dai_link + (i)) +#define PREFIX "audio-graph-card," + static int asoc_graph_card_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card); struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); + int ret = 0; + + ret = asoc_simple_card_clk_enable(dai_props->cpu_dai); + if (ret) + return ret; - return asoc_simple_card_clk_enable(&dai_props->dai); + ret = asoc_simple_card_clk_enable(dai_props->codec_dai); + if (ret) + asoc_simple_card_clk_disable(dai_props->cpu_dai); + + return ret; } static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream) @@ -54,7 +69,9 @@ static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream) struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card); struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); - asoc_simple_card_clk_disable(&dai_props->dai); + asoc_simple_card_clk_disable(dai_props->cpu_dai); + + asoc_simple_card_clk_disable(dai_props->codec_dai); } static const struct snd_soc_ops asoc_graph_card_ops = { @@ -65,39 +82,49 @@ static const struct snd_soc_ops asoc_graph_card_ops = { static int asoc_graph_card_dai_init(struct snd_soc_pcm_runtime *rtd) { struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card); - struct snd_soc_dai *dai; - struct snd_soc_dai_link *dai_link; - struct graph_dai_props *dai_props; - int num = rtd->num; + struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); + int ret = 0; - dai_link = graph_priv_to_link(priv, num); - dai_props = graph_priv_to_props(priv, num); - dai = dai_link->dynamic ? - rtd->cpu_dai : - rtd->codec_dai; + ret = asoc_simple_card_init_dai(rtd->codec_dai, + dai_props->codec_dai); + if (ret < 0) + return ret; - return asoc_simple_card_init_dai(dai, &dai_props->dai); + ret = asoc_simple_card_init_dai(rtd->cpu_dai, + dai_props->cpu_dai); + if (ret < 0) + return ret; + + return 0; } static int asoc_graph_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); + + asoc_simple_card_convert_fixup(&dai_props->adata, params); + /* overwrite by top level adata if exist */ asoc_simple_card_convert_fixup(&priv->adata, params); return 0; } -static int asoc_graph_card_dai_link_of(struct device_node *ep, +static int asoc_graph_card_dai_link_of(struct device_node *cpu_ep, + struct device_node *codec_ep, struct graph_card_data *priv, - unsigned int daifmt, - int idx, int is_fe) + int *dai_idx, int link_idx, + int *conf_idx, int is_fe) { struct device *dev = graph_priv_to_dev(priv); - struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, idx); - struct graph_dai_props *dai_props = graph_priv_to_props(priv, idx); + struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, link_idx); + struct graph_dai_props *dai_props = graph_priv_to_props(priv, link_idx); struct snd_soc_card *card = graph_priv_to_card(priv); + struct device_node *ep = is_fe ? cpu_ep : codec_ep; + struct device_node *node = of_graph_get_port_parent(ep); + struct asoc_simple_dai *dai; int ret; if (is_fe) { @@ -113,11 +140,14 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep, dai_link->dynamic = 1; dai_link->dpcm_merged_format = 1; + dai = + dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + ret = asoc_simple_card_parse_graph_cpu(ep, dai_link); if (ret) return ret; - ret = asoc_simple_card_parse_clk_cpu(dev, ep, dai_link, &dai_props->dai); + ret = asoc_simple_card_parse_clk_cpu(dev, ep, dai_link, dai); if (ret < 0) return ret; @@ -131,6 +161,8 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep, asoc_simple_card_canonicalize_cpu(dai_link, of_graph_get_endpoint_count(dai_link->cpu_of_node) == 1); } else { + struct snd_soc_codec_conf *cconf; + /* FE is dummy */ dai_link->cpu_of_node = NULL; dai_link->cpu_dai_name = "snd-soc-dummy-dai"; @@ -140,11 +172,17 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep, dai_link->no_pcm = 1; dai_link->be_hw_params_fixup = asoc_graph_card_be_hw_params_fixup; + dai = + dai_props->codec_dai = &priv->dais[(*dai_idx)++]; + + cconf = + dai_props->codec_conf = &priv->codec_conf[(*conf_idx)++]; + ret = asoc_simple_card_parse_graph_codec(ep, dai_link); if (ret < 0) return ret; - ret = asoc_simple_card_parse_clk_codec(dev, ep, dai_link, &dai_props->dai); + ret = asoc_simple_card_parse_clk_codec(dev, ep, dai_link, dai); if (ret < 0) return ret; @@ -154,13 +192,20 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep, if (ret < 0) return ret; - snd_soc_of_parse_audio_prefix(card, - &priv->codec_conf, + /* check "prefix" from top node */ + snd_soc_of_parse_audio_prefix(card, cconf, dai_link->codecs->of_node, "prefix"); + /* check "prefix" from each node if top doesn't have */ + if (!cconf->of_node) + snd_soc_of_parse_node_prefix(node, cconf, + dai_link->codecs->of_node, + PREFIX "prefix"); } - ret = asoc_simple_card_of_parse_tdm(ep, &dai_props->dai); + asoc_simple_card_parse_convert(dev, node, PREFIX, &dai_props->adata); + + ret = asoc_simple_card_of_parse_tdm(ep, dai); if (ret) return ret; @@ -168,7 +213,11 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep, if (ret < 0) return ret; - dai_link->dai_fmt = daifmt; + ret = asoc_simple_card_parse_daifmt(dev, cpu_ep, codec_ep, + NULL, &dai_link->dai_fmt); + if (ret < 0) + return ret; + dai_link->dpcm_playback = 1; dai_link->dpcm_capture = 1; dai_link->ops = &asoc_graph_card_ops; @@ -186,11 +235,9 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv) struct device_node *cpu_port; struct device_node *cpu_ep; struct device_node *codec_ep; - struct device_node *rcpu_ep; struct device_node *codec_port; struct device_node *codec_port_old; - unsigned int daifmt = 0; - int dai_idx, ret; + int dai_idx, link_idx, conf_idx, ret; int rc, codec; if (!node) @@ -201,47 +248,20 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv) * see simple-card */ - ret = asoc_simple_card_of_parse_routing(card, NULL, 0); + ret = asoc_simple_card_of_parse_routing(card, NULL); if (ret < 0) return ret; - asoc_simple_card_parse_convert(dev, NULL, &priv->adata); + asoc_simple_card_parse_convert(dev, node, NULL, &priv->adata); /* * it supports multi CPU, single CODEC only here * see asoc_graph_get_dais_count */ - /* find 1st codec */ - of_for_each_phandle(&it, rc, node, "dais", NULL, 0) { - cpu_port = it.node; - cpu_ep = of_get_next_child(cpu_port, NULL); - codec_ep = of_graph_get_remote_endpoint(cpu_ep); - rcpu_ep = of_graph_get_remote_endpoint(codec_ep); - - of_node_put(cpu_ep); - of_node_put(codec_ep); - of_node_put(rcpu_ep); - - if (!codec_ep) - continue; - - if (rcpu_ep != cpu_ep) { - dev_err(dev, "remote-endpoint missmatch (%s/%s/%s)\n", - cpu_ep->name, codec_ep->name, rcpu_ep->name); - ret = -EINVAL; - goto parse_of_err; - } - - ret = asoc_simple_card_parse_daifmt(dev, cpu_ep, codec_ep, - NULL, &daifmt); - if (ret < 0) { - of_node_put(cpu_port); - goto parse_of_err; - } - } - + link_idx = 0; dai_idx = 0; + conf_idx = 0; codec_port_old = NULL; for (codec = 0; codec < 2; codec++) { /* @@ -257,31 +277,23 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv) of_node_put(cpu_ep); of_node_put(codec_ep); + of_node_put(cpu_port); of_node_put(codec_port); + it.node = NULL; if (codec) { - if (!codec_port) - continue; - if (codec_port_old == codec_port) continue; codec_port_old = codec_port; - - /* Back-End (= Codec) */ - ret = asoc_graph_card_dai_link_of(codec_ep, priv, daifmt, dai_idx++, 0); - if (ret < 0) { - of_node_put(cpu_port); - goto parse_of_err; - } - } else { - /* Front-End (= CPU) */ - ret = asoc_graph_card_dai_link_of(cpu_ep, priv, daifmt, dai_idx++, 1); - if (ret < 0) { - of_node_put(cpu_port); - goto parse_of_err; - } } + + ret = asoc_graph_card_dai_link_of(cpu_ep, codec_ep, + priv, &dai_idx, + link_idx++, &conf_idx, + !codec); + if (ret < 0) + goto parse_of_err; } } @@ -289,13 +301,24 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv) if (ret) goto parse_of_err; + if ((card->num_links != link_idx) || + (card->num_configs != conf_idx)) { + dev_err(dev, "dai_link or codec_config wrong (%d/%d, %d/%d)\n", + card->num_links, link_idx, card->num_configs, conf_idx); + ret = -EINVAL; + goto parse_of_err; + } + ret = 0; parse_of_err: return ret; } -static int asoc_graph_get_dais_count(struct device *dev) +static void asoc_graph_get_dais_count(struct device *dev, + int *link_num, + int *dais_num, + int *ccnf_num) { struct of_phandle_iterator it; struct device_node *node = dev->of_node; @@ -304,10 +327,48 @@ static int asoc_graph_get_dais_count(struct device *dev) struct device_node *codec_ep; struct device_node *codec_port; struct device_node *codec_port_old; - int count = 0; + struct device_node *codec_port_old2; int rc; + /* + * link_num : number of links. + * CPU-Codec / CPU-dummy / dummy-Codec + * dais_num : number of DAIs + * ccnf_num : number of codec_conf + * same number for dummy-Codec + * + * ex1) + * CPU0 --- Codec0 link : 5 + * CPU1 --- Codec1 dais : 7 + * CPU2 -/ ccnf : 1 + * CPU3 --- Codec2 + * + * => 5 links = 2xCPU-Codec + 2xCPU-dummy + 1xdummy-Codec + * => 7 DAIs = 4xCPU + 3xCodec + * => 1 ccnf = 1xdummy-Codec + * + * ex2) + * CPU0 --- Codec0 link : 5 + * CPU1 --- Codec1 dais : 6 + * CPU2 -/ ccnf : 1 + * CPU3 -/ + * + * => 5 links = 1xCPU-Codec + 3xCPU-dummy + 1xdummy-Codec + * => 6 DAIs = 4xCPU + 2xCodec + * => 1 ccnf = 1xdummy-Codec + * + * ex3) + * CPU0 --- Codec0 link : 6 + * CPU1 -/ dais : 6 + * CPU2 --- Codec1 ccnf : 2 + * CPU3 -/ + * + * => 6 links = 0xCPU-Codec + 4xCPU-dummy + 2xdummy-Codec + * => 6 DAIs = 4xCPU + 2xCodec + * => 2 ccnf = 2xdummy-Codec + */ codec_port_old = NULL; + codec_port_old2 = NULL; of_for_each_phandle(&it, rc, node, "dais", NULL, 0) { cpu_port = it.node; cpu_ep = of_get_next_child(cpu_port, NULL); @@ -318,20 +379,22 @@ static int asoc_graph_get_dais_count(struct device *dev) of_node_put(codec_ep); of_node_put(codec_port); - if (cpu_ep) - count++; + (*link_num)++; + (*dais_num)++; - if (!codec_port) - continue; + if (codec_port_old == codec_port) { + if (codec_port_old2 != codec_port_old) { + (*link_num)++; + (*ccnf_num)++; + } - if (codec_port_old == codec_port) + codec_port_old2 = codec_port_old; continue; + } - count++; + (*dais_num)++; codec_port_old = codec_port; } - - return count; } static int asoc_graph_card_probe(struct platform_device *pdev) @@ -339,22 +402,27 @@ static int asoc_graph_card_probe(struct platform_device *pdev) struct graph_card_data *priv; struct snd_soc_dai_link *dai_link; struct graph_dai_props *dai_props; + struct asoc_simple_dai *dais; struct device *dev = &pdev->dev; struct snd_soc_card *card; - int num, ret, i; + struct snd_soc_codec_conf *cconf; + int lnum = 0, dnum = 0, cnum = 0; + int ret, i; /* Allocate the private data and the DAI link array */ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - num = asoc_graph_get_dais_count(dev); - if (num == 0) + asoc_graph_get_dais_count(dev, &lnum, &dnum, &cnum); + if (!lnum || !dnum) return -EINVAL; - dai_props = devm_kcalloc(dev, num, sizeof(*dai_props), GFP_KERNEL); - dai_link = devm_kcalloc(dev, num, sizeof(*dai_link), GFP_KERNEL); - if (!dai_props || !dai_link) + dai_props = devm_kcalloc(dev, lnum, sizeof(*dai_props), GFP_KERNEL); + dai_link = devm_kcalloc(dev, lnum, sizeof(*dai_link), GFP_KERNEL); + dais = devm_kcalloc(dev, dnum, sizeof(*dais), GFP_KERNEL); + cconf = devm_kcalloc(dev, cnum, sizeof(*cconf), GFP_KERNEL); + if (!dai_props || !dai_link || !dais) return -ENOMEM; /* @@ -363,7 +431,7 @@ static int asoc_graph_card_probe(struct platform_device *pdev) * see * soc-core.c :: snd_soc_init_multicodec() */ - for (i = 0; i < num; i++) { + for (i = 0; i < lnum; i++) { dai_link[i].codecs = &dai_props[i].codecs; dai_link[i].num_codecs = 1; dai_link[i].platform = &dai_props[i].platform; @@ -371,15 +439,17 @@ static int asoc_graph_card_probe(struct platform_device *pdev) priv->dai_props = dai_props; priv->dai_link = dai_link; + priv->dais = dais; + priv->codec_conf = cconf; /* Init snd_soc_card */ card = graph_priv_to_card(priv); card->owner = THIS_MODULE; card->dev = dev; card->dai_link = priv->dai_link; - card->num_links = num; - card->codec_conf = &priv->codec_conf; - card->num_configs = 1; + card->num_links = lnum; + card->codec_conf = cconf; + card->num_configs = cnum; ret = asoc_graph_card_parse_of(priv); if (ret < 0) { diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index f34cc6cddfa2..b807a47515eb 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -32,10 +32,11 @@ void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data, } EXPORT_SYMBOL_GPL(asoc_simple_card_convert_fixup); -void asoc_simple_card_parse_convert(struct device *dev, char *prefix, +void asoc_simple_card_parse_convert(struct device *dev, + struct device_node *np, + char *prefix, struct asoc_simple_card_data *data) { - struct device_node *np = dev->of_node; char prop[128]; if (!prefix) @@ -151,21 +152,19 @@ int asoc_simple_card_parse_card_name(struct snd_soc_card *card, } EXPORT_SYMBOL_GPL(asoc_simple_card_parse_card_name); -static void asoc_simple_card_clk_register(struct asoc_simple_dai *dai, - struct clk *clk) -{ - dai->clk = clk; -} - int asoc_simple_card_clk_enable(struct asoc_simple_dai *dai) { - return clk_prepare_enable(dai->clk); + if (dai) + return clk_prepare_enable(dai->clk); + + return 0; } EXPORT_SYMBOL_GPL(asoc_simple_card_clk_enable); void asoc_simple_card_clk_disable(struct asoc_simple_dai *dai) { - clk_disable_unprepare(dai->clk); + if (dai) + clk_disable_unprepare(dai->clk); } EXPORT_SYMBOL_GPL(asoc_simple_card_clk_disable); @@ -200,7 +199,7 @@ int asoc_simple_card_parse_clk(struct device *dev, if (!IS_ERR(clk)) { simple_dai->sysclk = clk_get_rate(clk); - asoc_simple_card_clk_register(simple_dai, clk); + simple_dai->clk = clk; } else if (!of_property_read_u32(node, "system-clock-frequency", &val)) { simple_dai->sysclk = val; } else { @@ -272,13 +271,24 @@ static int asoc_simple_card_get_dai_id(struct device_node *ep) { struct device_node *node; struct device_node *endpoint; + struct of_endpoint info; int i, id; int ret; + /* use driver specified DAI ID if exist */ ret = snd_soc_get_dai_id(ep); if (ret != -ENOTSUPP) return ret; + /* use endpoint/port reg if exist */ + ret = of_graph_parse_endpoint(ep, &info); + if (ret == 0) { + if (info.id) + return info.id; + if (info.port) + return info.port; + } + node = of_graph_get_port_parent(ep); /* @@ -348,6 +358,9 @@ int asoc_simple_card_init_dai(struct snd_soc_dai *dai, { int ret; + if (!simple_dai) + return 0; + if (simple_dai->sysclk) { ret = snd_soc_dai_set_sysclk(dai, 0, simple_dai->sysclk, simple_dai->clk_direction); @@ -415,8 +428,7 @@ int asoc_simple_card_clean_reference(struct snd_soc_card *card) EXPORT_SYMBOL_GPL(asoc_simple_card_clean_reference); int asoc_simple_card_of_parse_routing(struct snd_soc_card *card, - char *prefix, - int optional) + char *prefix) { struct device_node *node = card->dev->of_node; char prop[128]; @@ -426,11 +438,8 @@ int asoc_simple_card_of_parse_routing(struct snd_soc_card *card, snprintf(prop, sizeof(prop), "%s%s", prefix, "routing"); - if (!of_property_read_bool(node, prop)) { - if (optional) - return 0; - return -EINVAL; - } + if (!of_property_read_bool(node, prop)) + return 0; return snd_soc_of_parse_audio_routing(card, prop); } diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 5a3f59aa4ba5..37e001cf9cd1 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -18,16 +18,19 @@ struct simple_card_data { struct snd_soc_card snd_card; struct simple_dai_props { - struct asoc_simple_dai cpu_dai; - struct asoc_simple_dai codec_dai; + struct asoc_simple_dai *cpu_dai; + struct asoc_simple_dai *codec_dai; struct snd_soc_dai_link_component codecs; /* single codec */ struct snd_soc_dai_link_component platform; + struct asoc_simple_card_data adata; + struct snd_soc_codec_conf *codec_conf; unsigned int mclk_fs; } *dai_props; - unsigned int mclk_fs; struct asoc_simple_jack hp_jack; struct asoc_simple_jack mic_jack; struct snd_soc_dai_link *dai_link; + struct asoc_simple_dai *dais; + struct snd_soc_codec_conf *codec_conf; }; #define simple_priv_to_card(priv) (&(priv)->snd_card) @@ -47,13 +50,13 @@ static int asoc_simple_card_startup(struct snd_pcm_substream *substream) simple_priv_to_props(priv, rtd->num); int ret; - ret = asoc_simple_card_clk_enable(&dai_props->cpu_dai); + ret = asoc_simple_card_clk_enable(dai_props->cpu_dai); if (ret) return ret; - ret = asoc_simple_card_clk_enable(&dai_props->codec_dai); + ret = asoc_simple_card_clk_enable(dai_props->codec_dai); if (ret) - asoc_simple_card_clk_disable(&dai_props->cpu_dai); + asoc_simple_card_clk_disable(dai_props->cpu_dai); return ret; } @@ -65,14 +68,17 @@ static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); - asoc_simple_card_clk_disable(&dai_props->cpu_dai); + asoc_simple_card_clk_disable(dai_props->cpu_dai); - asoc_simple_card_clk_disable(&dai_props->codec_dai); + asoc_simple_card_clk_disable(dai_props->codec_dai); } static int asoc_simple_set_clk_rate(struct asoc_simple_dai *simple_dai, unsigned long rate) { + if (!simple_dai) + return 0; + if (!simple_dai->clk) return 0; @@ -94,19 +100,17 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, unsigned int mclk, mclk_fs = 0; int ret = 0; - if (priv->mclk_fs) - mclk_fs = priv->mclk_fs; - else if (dai_props->mclk_fs) + if (dai_props->mclk_fs) mclk_fs = dai_props->mclk_fs; if (mclk_fs) { mclk = params_rate(params) * mclk_fs; - ret = asoc_simple_set_clk_rate(&dai_props->codec_dai, mclk); + ret = asoc_simple_set_clk_rate(dai_props->codec_dai, mclk); if (ret < 0) return ret; - ret = asoc_simple_set_clk_rate(&dai_props->cpu_dai, mclk); + ret = asoc_simple_set_clk_rate(dai_props->cpu_dai, mclk); if (ret < 0) return ret; @@ -134,33 +138,169 @@ static const struct snd_soc_ops asoc_simple_card_ops = { static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) { struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); - struct snd_soc_dai *codec = rtd->codec_dai; - struct snd_soc_dai *cpu = rtd->cpu_dai; - struct simple_dai_props *dai_props = - simple_priv_to_props(priv, rtd->num); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); int ret; - ret = asoc_simple_card_init_dai(codec, &dai_props->codec_dai); + ret = asoc_simple_card_init_dai(rtd->codec_dai, + dai_props->codec_dai); if (ret < 0) return ret; - ret = asoc_simple_card_init_dai(cpu, &dai_props->cpu_dai); + ret = asoc_simple_card_init_dai(rtd->cpu_dai, + dai_props->cpu_dai); if (ret < 0) return ret; return 0; } -static int asoc_simple_card_dai_link_of(struct device_node *node, +static int asoc_simple_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); + + asoc_simple_card_convert_fixup(&dai_props->adata, params); + + return 0; +} + +static int asoc_simple_card_dai_link_of_dpcm(struct device_node *top, + struct device_node *node, + struct device_node *np, + struct device_node *codec, + struct simple_card_data *priv, + int *dai_idx, int link_idx, + int *conf_idx, int is_fe, + bool is_top_level_node) +{ + struct device *dev = simple_priv_to_dev(priv); + struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, link_idx); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, link_idx); + struct asoc_simple_dai *dai; + struct snd_soc_dai_link_component *codecs = dai_link->codecs; + + char prop[128]; + char *prefix = ""; + int ret; + + /* For single DAI link & old style of DT node */ + if (is_top_level_node) + prefix = PREFIX; + + if (is_fe) { + int is_single_links = 0; + + /* BE is dummy */ + codecs->of_node = NULL; + codecs->dai_name = "snd-soc-dummy-dai"; + codecs->name = "snd-soc-dummy"; + + /* FE settings */ + dai_link->dynamic = 1; + dai_link->dpcm_merged_format = 1; + + dai = + dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + + ret = asoc_simple_card_parse_cpu(np, dai_link, DAI, CELL, + &is_single_links); + if (ret) + return ret; + + ret = asoc_simple_card_parse_clk_cpu(dev, np, dai_link, dai); + if (ret < 0) + return ret; + + ret = asoc_simple_card_set_dailink_name(dev, dai_link, + "fe.%s", + dai_link->cpu_dai_name); + if (ret < 0) + return ret; + + asoc_simple_card_canonicalize_cpu(dai_link, is_single_links); + } else { + struct snd_soc_codec_conf *cconf; + + /* FE is dummy */ + dai_link->cpu_of_node = NULL; + dai_link->cpu_dai_name = "snd-soc-dummy-dai"; + dai_link->cpu_name = "snd-soc-dummy"; + + /* BE settings */ + dai_link->no_pcm = 1; + dai_link->be_hw_params_fixup = asoc_simple_card_be_hw_params_fixup; + + dai = + dai_props->codec_dai = &priv->dais[(*dai_idx)++]; + + cconf = + dai_props->codec_conf = &priv->codec_conf[(*conf_idx)++]; + + ret = asoc_simple_card_parse_codec(np, dai_link, DAI, CELL); + if (ret < 0) + return ret; + + ret = asoc_simple_card_parse_clk_codec(dev, np, dai_link, dai); + if (ret < 0) + return ret; + + ret = asoc_simple_card_set_dailink_name(dev, dai_link, + "be.%s", + codecs->dai_name); + if (ret < 0) + return ret; + + /* check "prefix" from top node */ + snd_soc_of_parse_node_prefix(top, cconf, codecs->of_node, + PREFIX "prefix"); + snd_soc_of_parse_node_prefix(node, cconf, codecs->of_node, + "prefix"); + snd_soc_of_parse_node_prefix(np, cconf, codecs->of_node, + "prefix"); + } + + asoc_simple_card_parse_convert(dev, top, PREFIX, &dai_props->adata); + asoc_simple_card_parse_convert(dev, node, prefix, &dai_props->adata); + asoc_simple_card_parse_convert(dev, np, NULL, &dai_props->adata); + + ret = asoc_simple_card_of_parse_tdm(np, dai); + if (ret) + return ret; + + ret = asoc_simple_card_canonicalize_dailink(dai_link); + if (ret < 0) + return ret; + + snprintf(prop, sizeof(prop), "%smclk-fs", prefix); + of_property_read_u32(top, PREFIX "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(node, prop, &dai_props->mclk_fs); + of_property_read_u32(np, prop, &dai_props->mclk_fs); + + ret = asoc_simple_card_parse_daifmt(dev, node, codec, + prefix, &dai_link->dai_fmt); + if (ret < 0) + return ret; + + dai_link->dpcm_playback = 1; + dai_link->dpcm_capture = 1; + dai_link->ops = &asoc_simple_card_ops; + dai_link->init = asoc_simple_card_dai_init; + + return 0; +} + +static int asoc_simple_card_dai_link_of(struct device_node *top, + struct device_node *node, struct simple_card_data *priv, - int idx, + int *dai_idx, int link_idx, bool is_top_level_node) { struct device *dev = simple_priv_to_dev(priv); - struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); - struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx); - struct asoc_simple_dai *cpu_dai = &dai_props->cpu_dai; - struct asoc_simple_dai *codec_dai = &dai_props->codec_dai; + struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, link_idx); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, link_idx); + struct asoc_simple_dai *cpu_dai; + struct asoc_simple_dai *codec_dai; struct device_node *cpu = NULL; struct device_node *plat = NULL; struct device_node *codec = NULL; @@ -193,12 +333,21 @@ static int asoc_simple_card_dai_link_of(struct device_node *node, goto dai_link_of_err; } + cpu_dai = + dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + codec_dai = + dai_props->codec_dai = &priv->dais[(*dai_idx)++]; + ret = asoc_simple_card_parse_daifmt(dev, node, codec, prefix, &dai_link->dai_fmt); if (ret < 0) goto dai_link_of_err; - of_property_read_u32(node, "mclk-fs", &dai_props->mclk_fs); + snprintf(prop, sizeof(prop), "%smclk-fs", prefix); + of_property_read_u32(top, PREFIX "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(node, prop, &dai_props->mclk_fs); + of_property_read_u32(cpu, prop, &dai_props->mclk_fs); + of_property_read_u32(codec, prop, &dai_props->mclk_fs); ret = asoc_simple_card_parse_cpu(cpu, dai_link, DAI, CELL, &single_cpu); @@ -286,61 +435,148 @@ static int asoc_simple_card_parse_aux_devs(struct device_node *node, static int asoc_simple_card_parse_of(struct simple_card_data *priv) { struct device *dev = simple_priv_to_dev(priv); + struct device_node *top = dev->of_node; struct snd_soc_card *card = simple_priv_to_card(priv); - struct device_node *dai_link; - struct device_node *node = dev->of_node; - int ret; - - if (!node) + struct device_node *node; + struct device_node *np; + struct device_node *codec; + bool is_fe; + int ret, loop; + int dai_idx, link_idx, conf_idx; + + if (!top) return -EINVAL; - dai_link = of_get_child_by_name(node, PREFIX "dai-link"); - ret = asoc_simple_card_of_parse_widgets(card, PREFIX); if (ret < 0) - goto card_parse_end; + return ret; - ret = asoc_simple_card_of_parse_routing(card, PREFIX, 1); + ret = asoc_simple_card_of_parse_routing(card, PREFIX); if (ret < 0) - goto card_parse_end; - - /* Factor to mclk, used in hw_params() */ - of_property_read_u32(node, PREFIX "mclk-fs", &priv->mclk_fs); + return ret; /* Single/Muti DAI link(s) & New style of DT node */ - if (dai_link) { - struct device_node *np = NULL; - int i = 0; - - for_each_child_of_node(node, np) { - dev_dbg(dev, "\tlink %d:\n", i); - ret = asoc_simple_card_dai_link_of(np, priv, - i, false); - if (ret < 0) { - of_node_put(np); - goto card_parse_end; + loop = 1; + link_idx = 0; + dai_idx = 0; + conf_idx = 0; + node = of_get_child_by_name(top, PREFIX "dai-link"); + if (!node) { + node = dev->of_node; + loop = 0; + } + + do { + /* DPCM */ + if (of_get_child_count(node) > 2) { + for_each_child_of_node(node, np) { + codec = of_get_child_by_name(node, + loop ? "codec" : + PREFIX "codec"); + if (!codec) + return -ENODEV; + + is_fe = (np != codec); + + ret = asoc_simple_card_dai_link_of_dpcm( + top, node, np, codec, priv, + &dai_idx, link_idx++, &conf_idx, + is_fe, !loop); } - i++; + } else { + ret = asoc_simple_card_dai_link_of( + top, node, priv, + &dai_idx, link_idx++, !loop); } - } else { - /* For single DAI link & old style of DT node */ - ret = asoc_simple_card_dai_link_of(node, priv, 0, true); if (ret < 0) - goto card_parse_end; - } + return ret; + + node = of_get_next_child(top, node); + } while (loop && node); ret = asoc_simple_card_parse_card_name(card, PREFIX); if (ret < 0) - goto card_parse_end; - - ret = asoc_simple_card_parse_aux_devs(node, priv); + return ret; -card_parse_end: - of_node_put(dai_link); + ret = asoc_simple_card_parse_aux_devs(top, priv); return ret; } +static void asoc_simple_card_get_dais_count(struct device *dev, + int *link_num, + int *dais_num, + int *ccnf_num) +{ + struct device_node *top = dev->of_node; + struct device_node *node; + int loop; + int num; + + /* + * link_num : number of links. + * CPU-Codec / CPU-dummy / dummy-Codec + * dais_num : number of DAIs + * ccnf_num : number of codec_conf + * same number for "dummy-Codec" + * + * ex1) + * CPU0 --- Codec0 link : 5 + * CPU1 --- Codec1 dais : 7 + * CPU2 -/ ccnf : 1 + * CPU3 --- Codec2 + * + * => 5 links = 2xCPU-Codec + 2xCPU-dummy + 1xdummy-Codec + * => 7 DAIs = 4xCPU + 3xCodec + * => 1 ccnf = 1xdummy-Codec + * + * ex2) + * CPU0 --- Codec0 link : 5 + * CPU1 --- Codec1 dais : 6 + * CPU2 -/ ccnf : 1 + * CPU3 -/ + * + * => 5 links = 1xCPU-Codec + 3xCPU-dummy + 1xdummy-Codec + * => 6 DAIs = 4xCPU + 2xCodec + * => 1 ccnf = 1xdummy-Codec + * + * ex3) + * CPU0 --- Codec0 link : 6 + * CPU1 -/ dais : 6 + * CPU2 --- Codec1 ccnf : 2 + * CPU3 -/ + * + * => 6 links = 0xCPU-Codec + 4xCPU-dummy + 2xdummy-Codec + * => 6 DAIs = 4xCPU + 2xCodec + * => 2 ccnf = 2xdummy-Codec + */ + if (!top) { + (*link_num) = 1; + (*dais_num) = 2; + (*ccnf_num) = 0; + return; + } + + loop = 1; + node = of_get_child_by_name(top, PREFIX "dai-link"); + if (!node) { + node = top; + loop = 0; + } + + do { + num = of_get_child_count(node); + (*dais_num) += num; + if (num > 2) { + (*link_num) += num; + (*ccnf_num)++; + } else { + (*link_num)++; + } + node = of_get_next_child(top, node); + } while (loop && node); +} + static int asoc_simple_soc_card_probe(struct snd_soc_card *card) { struct simple_card_data *priv = snd_soc_card_get_drvdata(card); @@ -362,25 +598,28 @@ static int asoc_simple_card_probe(struct platform_device *pdev) struct simple_card_data *priv; struct snd_soc_dai_link *dai_link; struct simple_dai_props *dai_props; + struct asoc_simple_dai *dais; struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct snd_soc_card *card; - int num, ret, i; - - /* Get the number of DAI links */ - if (np && of_get_child_by_name(np, PREFIX "dai-link")) - num = of_get_child_count(np); - else - num = 1; + struct snd_soc_codec_conf *cconf; + int lnum = 0, dnum = 0, cnum = 0; + int ret, i; /* Allocate the private data and the DAI link array */ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - dai_props = devm_kcalloc(dev, num, sizeof(*dai_props), GFP_KERNEL); - dai_link = devm_kcalloc(dev, num, sizeof(*dai_link), GFP_KERNEL); - if (!dai_props || !dai_link) + asoc_simple_card_get_dais_count(dev, &lnum, &dnum, &cnum); + if (!lnum || !dnum) + return -EINVAL; + + dai_props = devm_kcalloc(dev, lnum, sizeof(*dai_props), GFP_KERNEL); + dai_link = devm_kcalloc(dev, lnum, sizeof(*dai_link), GFP_KERNEL); + dais = devm_kcalloc(dev, dnum, sizeof(*dais), GFP_KERNEL); + cconf = devm_kcalloc(dev, cnum, sizeof(*cconf), GFP_KERNEL); + if (!dai_props || !dai_link || !dais) return -ENOMEM; /* @@ -389,7 +628,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) * see * soc-core.c :: snd_soc_init_multicodec() */ - for (i = 0; i < num; i++) { + for (i = 0; i < lnum; i++) { dai_link[i].codecs = &dai_props[i].codecs; dai_link[i].num_codecs = 1; dai_link[i].platform = &dai_props[i].platform; @@ -397,13 +636,17 @@ static int asoc_simple_card_probe(struct platform_device *pdev) priv->dai_props = dai_props; priv->dai_link = dai_link; + priv->dais = dais; + priv->codec_conf = cconf; /* Init snd_soc_card */ card = simple_priv_to_card(priv); card->owner = THIS_MODULE; card->dev = dev; card->dai_link = priv->dai_link; - card->num_links = num; + card->num_links = lnum; + card->codec_conf = cconf; + card->num_configs = cnum; card->probe = asoc_simple_soc_card_probe; if (np && of_device_is_available(np)) { @@ -419,6 +662,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) struct asoc_simple_card_info *cinfo; struct snd_soc_dai_link_component *codecs; struct snd_soc_dai_link_component *platform; + int dai_idx = 0; cinfo = dev->platform_data; if (!cinfo) { @@ -435,6 +679,9 @@ static int asoc_simple_card_probe(struct platform_device *pdev) return -EINVAL; } + dai_props->cpu_dai = &priv->dais[dai_idx++]; + dai_props->codec_dai = &priv->dais[dai_idx++]; + codecs = dai_link->codecs; codecs->name = cinfo->codec; codecs->dai_name = cinfo->codec_dai.name; @@ -448,10 +695,10 @@ static int asoc_simple_card_probe(struct platform_device *pdev) dai_link->cpu_dai_name = cinfo->cpu_dai.name; dai_link->dai_fmt = cinfo->daifmt; dai_link->init = asoc_simple_card_dai_init; - memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai, - sizeof(priv->dai_props->cpu_dai)); - memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai, - sizeof(priv->dai_props->codec_dai)); + memcpy(priv->dai_props->cpu_dai, &cinfo->cpu_dai, + sizeof(*priv->dai_props->cpu_dai)); + memcpy(priv->dai_props->codec_dai, &cinfo->codec_dai, + sizeof(*priv->dai_props->codec_dai)); } snd_soc_card_set_drvdata(card, priv); @@ -476,6 +723,7 @@ static int asoc_simple_card_remove(struct platform_device *pdev) static const struct of_device_id asoc_simple_of_match[] = { { .compatible = "simple-audio-card", }, + { .compatible = "simple-scu-audio-card", }, {}, }; MODULE_DEVICE_TABLE(of, asoc_simple_of_match); diff --git a/sound/soc/generic/simple-scu-card.c b/sound/soc/generic/simple-scu-card.c index 85b46f0eae0f..9d7299d536a8 100644 --- a/sound/soc/generic/simple-scu-card.c +++ b/sound/soc/generic/simple-scu-card.c @@ -21,14 +21,18 @@ struct simple_card_data { struct snd_soc_card snd_card; - struct snd_soc_codec_conf codec_conf; struct simple_dai_props { - struct asoc_simple_dai dai; + struct asoc_simple_dai *cpu_dai; + struct asoc_simple_dai *codec_dai; struct snd_soc_dai_link_component codecs; struct snd_soc_dai_link_component platform; + struct asoc_simple_card_data adata; + struct snd_soc_codec_conf *codec_conf; } *dai_props; struct snd_soc_dai_link *dai_link; + struct asoc_simple_dai *dais; struct asoc_simple_card_data adata; + struct snd_soc_codec_conf *codec_conf; }; #define simple_priv_to_card(priv) (&(priv)->snd_card) @@ -46,8 +50,17 @@ static int asoc_simple_card_startup(struct snd_pcm_substream *substream) struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); + int ret; + + ret = asoc_simple_card_clk_enable(dai_props->cpu_dai); + if (ret) + return ret; + + ret = asoc_simple_card_clk_enable(dai_props->codec_dai); + if (ret) + asoc_simple_card_clk_disable(dai_props->cpu_dai); - return asoc_simple_card_clk_enable(&dai_props->dai); + return ret; } static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) @@ -57,7 +70,9 @@ static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); - asoc_simple_card_clk_disable(&dai_props->dai); + asoc_simple_card_clk_disable(dai_props->cpu_dai); + + asoc_simple_card_clk_disable(dai_props->codec_dai); } static const struct snd_soc_ops asoc_simple_card_ops = { @@ -67,42 +82,57 @@ static const struct snd_soc_ops asoc_simple_card_ops = { static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) { - struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); - struct snd_soc_dai *dai; - struct snd_soc_dai_link *dai_link; - struct simple_dai_props *dai_props; - int num = rtd->num; + struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); + int ret; + + ret = asoc_simple_card_init_dai(rtd->codec_dai, + dai_props->codec_dai); + if (ret < 0) + return ret; - dai_link = simple_priv_to_link(priv, num); - dai_props = simple_priv_to_props(priv, num); - dai = dai_link->dynamic ? - rtd->cpu_dai : - rtd->codec_dai; + ret = asoc_simple_card_init_dai(rtd->cpu_dai, + dai_props->cpu_dai); + if (ret < 0) + return ret; - return asoc_simple_card_init_dai(dai, &dai_props->dai); + return 0; } static int asoc_simple_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); + + asoc_simple_card_convert_fixup(&dai_props->adata, params); + /* overwrite by top level adata if exist */ asoc_simple_card_convert_fixup(&priv->adata, params); return 0; } -static int asoc_simple_card_dai_link_of(struct device_node *np, +static int asoc_simple_card_dai_link_of(struct device_node *link, + struct device_node *np, + struct device_node *codec, struct simple_card_data *priv, - unsigned int daifmt, - int idx, bool is_fe) + int *dai_idx, int link_idx, + int *conf_idx, int is_fe, + bool is_top_level_node) { struct device *dev = simple_priv_to_dev(priv); - struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); - struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx); + struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, link_idx); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, link_idx); struct snd_soc_card *card = simple_priv_to_card(priv); + struct asoc_simple_dai *dai; + char *prefix = ""; int ret; + /* For single DAI link & old style of DT node */ + if (is_top_level_node) + prefix = PREFIX; + if (is_fe) { int is_single_links = 0; struct snd_soc_dai_link_component *codecs; @@ -117,12 +147,15 @@ static int asoc_simple_card_dai_link_of(struct device_node *np, dai_link->dynamic = 1; dai_link->dpcm_merged_format = 1; + dai = + dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + ret = asoc_simple_card_parse_cpu(np, dai_link, DAI, CELL, &is_single_links); if (ret) return ret; - ret = asoc_simple_card_parse_clk_cpu(dev, np, dai_link, &dai_props->dai); + ret = asoc_simple_card_parse_clk_cpu(dev, np, dai_link, dai); if (ret < 0) return ret; @@ -134,6 +167,8 @@ static int asoc_simple_card_dai_link_of(struct device_node *np, asoc_simple_card_canonicalize_cpu(dai_link, is_single_links); } else { + struct snd_soc_codec_conf *cconf; + /* FE is dummy */ dai_link->cpu_of_node = NULL; dai_link->cpu_dai_name = "snd-soc-dummy-dai"; @@ -143,11 +178,17 @@ static int asoc_simple_card_dai_link_of(struct device_node *np, dai_link->no_pcm = 1; dai_link->be_hw_params_fixup = asoc_simple_card_be_hw_params_fixup; + dai = + dai_props->codec_dai = &priv->dais[(*dai_idx)++]; + + cconf = + dai_props->codec_conf = &priv->codec_conf[(*conf_idx)++]; + ret = asoc_simple_card_parse_codec(np, dai_link, DAI, CELL); if (ret < 0) return ret; - ret = asoc_simple_card_parse_clk_codec(dev, np, dai_link, &dai_props->dai); + ret = asoc_simple_card_parse_clk_codec(dev, np, dai_link, dai); if (ret < 0) return ret; @@ -157,13 +198,20 @@ static int asoc_simple_card_dai_link_of(struct device_node *np, if (ret < 0) return ret; - snd_soc_of_parse_audio_prefix(card, - &priv->codec_conf, + /* check "prefix" from top node */ + snd_soc_of_parse_audio_prefix(card, cconf, dai_link->codecs->of_node, PREFIX "prefix"); + /* check "prefix" from each node if top doesn't have */ + if (!cconf->of_node) + snd_soc_of_parse_node_prefix(np, cconf, + dai_link->codecs->of_node, + "prefix"); } - ret = asoc_simple_card_of_parse_tdm(np, &dai_props->dai); + asoc_simple_card_parse_convert(dev, link, prefix, &dai_props->adata); + + ret = asoc_simple_card_of_parse_tdm(np, dai); if (ret) return ret; @@ -171,7 +219,11 @@ static int asoc_simple_card_dai_link_of(struct device_node *np, if (ret < 0) return ret; - dai_link->dai_fmt = daifmt; + ret = asoc_simple_card_parse_daifmt(dev, link, codec, + prefix, &dai_link->dai_fmt); + if (ret < 0) + return ret; + dai_link->dpcm_playback = 1; dai_link->dpcm_capture = 1; dai_link->ops = &asoc_simple_card_ops; @@ -184,52 +236,136 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv) { struct device *dev = simple_priv_to_dev(priv); + struct device_node *top = dev->of_node; + struct device_node *node; struct device_node *np; + struct device_node *codec; struct snd_soc_card *card = simple_priv_to_card(priv); - struct device_node *node = dev->of_node; - unsigned int daifmt = 0; bool is_fe; - int ret, i; + int ret, loop; + int dai_idx, link_idx, conf_idx; - if (!node) + if (!top) return -EINVAL; ret = asoc_simple_card_of_parse_widgets(card, PREFIX); if (ret < 0) return ret; - ret = asoc_simple_card_of_parse_routing(card, PREFIX, 0); + ret = asoc_simple_card_of_parse_routing(card, PREFIX); if (ret < 0) return ret; - asoc_simple_card_parse_convert(dev, PREFIX, &priv->adata); + asoc_simple_card_parse_convert(dev, top, PREFIX, &priv->adata); - /* find 1st codec */ - np = of_get_child_by_name(node, PREFIX "codec"); - if (!np) - return -ENODEV; + loop = 1; + link_idx = 0; + dai_idx = 0; + conf_idx = 0; + node = of_get_child_by_name(top, PREFIX "dai-link"); + if (!node) { + node = dev->of_node; + loop = 0; + } + + do { + codec = of_get_child_by_name(node, + loop ? "codec" : PREFIX "codec"); + if (!codec) + return -ENODEV; + + for_each_child_of_node(node, np) { + is_fe = (np != codec); + + ret = asoc_simple_card_dai_link_of(node, np, codec, priv, + &dai_idx, link_idx++, + &conf_idx, + is_fe, !loop); + if (ret < 0) + return ret; + } + node = of_get_next_child(top, node); + } while (loop && node); - ret = asoc_simple_card_parse_daifmt(dev, node, np, PREFIX, &daifmt); + ret = asoc_simple_card_parse_card_name(card, PREFIX); if (ret < 0) return ret; - i = 0; - for_each_child_of_node(node, np) { - is_fe = false; - if (strcmp(np->name, PREFIX "cpu") == 0) - is_fe = true; + return 0; +} - ret = asoc_simple_card_dai_link_of(np, priv, daifmt, i, is_fe); - if (ret < 0) - return ret; - i++; +static void asoc_simple_card_get_dais_count(struct device *dev, + int *link_num, + int *dais_num, + int *ccnf_num) +{ + struct device_node *top = dev->of_node; + struct device_node *node; + int loop; + int num; + + /* + * link_num : number of links. + * CPU-Codec / CPU-dummy / dummy-Codec + * dais_num : number of DAIs + * ccnf_num : number of codec_conf + * same number for "dummy-Codec" + * + * ex1) + * CPU0 --- Codec0 link : 5 + * CPU1 --- Codec1 dais : 7 + * CPU2 -/ ccnf : 1 + * CPU3 --- Codec2 + * + * => 5 links = 2xCPU-Codec + 2xCPU-dummy + 1xdummy-Codec + * => 7 DAIs = 4xCPU + 3xCodec + * => 1 ccnf = 1xdummy-Codec + * + * ex2) + * CPU0 --- Codec0 link : 5 + * CPU1 --- Codec1 dais : 6 + * CPU2 -/ ccnf : 1 + * CPU3 -/ + * + * => 5 links = 1xCPU-Codec + 3xCPU-dummy + 1xdummy-Codec + * => 6 DAIs = 4xCPU + 2xCodec + * => 1 ccnf = 1xdummy-Codec + * + * ex3) + * CPU0 --- Codec0 link : 6 + * CPU1 -/ dais : 6 + * CPU2 --- Codec1 ccnf : 2 + * CPU3 -/ + * + * => 6 links = 0xCPU-Codec + 4xCPU-dummy + 2xdummy-Codec + * => 6 DAIs = 4xCPU + 2xCodec + * => 2 ccnf = 2xdummy-Codec + */ + if (!top) { + (*link_num) = 1; + (*dais_num) = 2; + (*ccnf_num) = 0; + return; } - ret = asoc_simple_card_parse_card_name(card, PREFIX); - if (ret < 0) - return ret; + loop = 1; + node = of_get_child_by_name(top, PREFIX "dai-link"); + if (!node) { + node = top; + loop = 0; + } - return 0; + do { + num = of_get_child_count(node); + (*dais_num) += num; + if (num > 2) { + (*link_num) += num; + (*ccnf_num)++; + } else { + (*link_num)++; + } + node = of_get_next_child(top, node); + } while (loop && node); } static int asoc_simple_card_probe(struct platform_device *pdev) @@ -237,21 +373,27 @@ static int asoc_simple_card_probe(struct platform_device *pdev) struct simple_card_data *priv; struct snd_soc_dai_link *dai_link; struct simple_dai_props *dai_props; + struct asoc_simple_dai *dais; struct snd_soc_card *card; + struct snd_soc_codec_conf *cconf; struct device *dev = &pdev->dev; - struct device_node *np = dev->of_node; - int num, ret, i; + int ret, i; + int lnum = 0, dnum = 0, cnum = 0; /* Allocate the private data */ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - num = of_get_child_count(np); + asoc_simple_card_get_dais_count(dev, &lnum, &dnum, &cnum); + if (!lnum || !dnum) + return -EINVAL; - dai_props = devm_kcalloc(dev, num, sizeof(*dai_props), GFP_KERNEL); - dai_link = devm_kcalloc(dev, num, sizeof(*dai_link), GFP_KERNEL); - if (!dai_props || !dai_link) + dai_props = devm_kcalloc(dev, lnum, sizeof(*dai_props), GFP_KERNEL); + dai_link = devm_kcalloc(dev, lnum, sizeof(*dai_link), GFP_KERNEL); + dais = devm_kcalloc(dev, dnum, sizeof(*dais), GFP_KERNEL); + cconf = devm_kcalloc(dev, cnum, sizeof(*cconf), GFP_KERNEL); + if (!dai_props || !dai_link || !dais) return -ENOMEM; /* @@ -260,7 +402,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) * see * soc-core.c :: snd_soc_init_multicodec() */ - for (i = 0; i < num; i++) { + for (i = 0; i < lnum; i++) { dai_link[i].codecs = &dai_props[i].codecs; dai_link[i].num_codecs = 1; dai_link[i].platform = &dai_props[i].platform; @@ -268,15 +410,17 @@ static int asoc_simple_card_probe(struct platform_device *pdev) priv->dai_props = dai_props; priv->dai_link = dai_link; + priv->dais = dais; + priv->codec_conf = cconf; /* Init snd_soc_card */ card = simple_priv_to_card(priv); card->owner = THIS_MODULE; card->dev = dev; card->dai_link = priv->dai_link; - card->num_links = num; - card->codec_conf = &priv->codec_conf; - card->num_configs = 1; + card->num_links = lnum; + card->codec_conf = cconf; + card->num_configs = cnum; ret = asoc_simple_card_parse_of(priv); if (ret < 0) { |