static int asoc_simple_card_parse_of(struct simple_card_data *priv) { struct device *dev = simple_priv_to_dev(priv); struct device_node *np; 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; if (!node) 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); if (ret < 0) return ret; asoc_simple_card_parse_convert(dev, PREFIX, &priv->adata); /* find 1st codec */ np = of_get_child_by_name(node, PREFIX "codec"); if (!np) return -ENODEV; ret = asoc_simple_card_parse_daifmt(dev, node, np, PREFIX, &daifmt); 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; ret = asoc_simple_card_dai_link_of(np, priv, daifmt, i, is_fe); if (ret < 0) return ret; i++; }
static int simple_dai_link_of(struct simple_priv *priv, struct device_node *np, struct device_node *codec, struct link_info *li, bool is_top) { struct device *dev = simple_priv_to_dev(priv); struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link); struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link); struct asoc_simple_dai *cpu_dai; struct asoc_simple_dai *codec_dai; struct device_node *top = dev->of_node; struct device_node *cpu = NULL; struct device_node *node = NULL; struct device_node *plat = NULL; char prop[128]; char *prefix = ""; int ret, single_cpu; /* * |CPU |Codec : turn * CPU |Pass |return * Codec |return|return * np */ if (!li->cpu || np == codec) return 0; cpu = np; node = of_get_parent(np); li->link++; dev_dbg(dev, "link_of (%pOF)\n", node); /* For single DAI link & old style of DT node */ if (is_top) prefix = PREFIX; snprintf(prop, sizeof(prop), "%splat", prefix); plat = of_get_child_by_name(node, prop); cpu_dai = dai_props->cpu_dai = &priv->dais[li->dais++]; codec_dai = dai_props->codec_dai = &priv->dais[li->dais++]; ret = asoc_simple_card_parse_daifmt(dev, node, codec, prefix, &dai_link->dai_fmt); if (ret < 0) goto dai_link_of_err; 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); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_parse_codec(codec, dai_link, DAI, CELL); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_parse_platform(plat, dai_link, DAI, CELL); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_of_parse_tdm(cpu, cpu_dai); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_of_parse_tdm(codec, codec_dai); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_parse_clk_cpu(dev, cpu, dai_link, cpu_dai); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_parse_clk_codec(dev, codec, dai_link, codec_dai); if (ret < 0) goto dai_link_of_err; 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; dai_link->ops = &simple_ops; dai_link->init = simple_dai_init; asoc_simple_card_canonicalize_cpu(dai_link, single_cpu); asoc_simple_card_canonicalize_platform(dai_link); dai_link_of_err: of_node_put(plat); of_node_put(node); return ret; }
static int asoc_simple_card_dai_link_of(struct device_node *node, struct simple_card_data *priv, int 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 device_node *cpu = NULL; struct device_node *plat = NULL; struct device_node *codec = NULL; char *name; char prop[128]; char *prefix = ""; int ret, cpu_args; u32 val; /* For single DAI link & old style of DT node */ if (is_top_level_node) prefix = "simple-audio-card,"; snprintf(prop, sizeof(prop), "%scpu", prefix); cpu = of_get_child_by_name(node, prop); snprintf(prop, sizeof(prop), "%splat", prefix); plat = of_get_child_by_name(node, prop); snprintf(prop, sizeof(prop), "%scodec", prefix); codec = of_get_child_by_name(node, prop); if (!cpu || !codec) { ret = -EINVAL; dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); goto dai_link_of_err; } ret = asoc_simple_card_parse_daifmt(node, priv, codec, prefix, idx); if (ret < 0) goto dai_link_of_err; if (!of_property_read_u32(node, "mclk-fs", &val)) dai_props->mclk_fs = val; ret = asoc_simple_card_sub_parse_of(cpu, &dai_props->cpu_dai, &dai_link->cpu_of_node, &dai_link->cpu_dai_name, &cpu_args); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_sub_parse_of(codec, &dai_props->codec_dai, &dai_link->codec_of_node, &dai_link->codec_dai_name, NULL); if (ret < 0) goto dai_link_of_err; if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) { ret = -EINVAL; goto dai_link_of_err; } if (plat) { struct of_phandle_args args; ret = of_parse_phandle_with_args(plat, "sound-dai", "#sound-dai-cells", 0, &args); dai_link->platform_of_node = args.np; } else { /* Assumes platform == cpu */ dai_link->platform_of_node = dai_link->cpu_of_node; } /* DAI link name is created from CPU/CODEC dai name */ name = devm_kzalloc(dev, strlen(dai_link->cpu_dai_name) + strlen(dai_link->codec_dai_name) + 2, GFP_KERNEL); if (!name) { ret = -ENOMEM; goto dai_link_of_err; } sprintf(name, "%s-%s", dai_link->cpu_dai_name, dai_link->codec_dai_name); dai_link->name = dai_link->stream_name = name; dai_link->ops = &asoc_simple_card_ops; dai_link->init = asoc_simple_card_dai_init; dev_dbg(dev, "\tname : %s\n", dai_link->stream_name); dev_dbg(dev, "\tformat : %04x\n", dai_link->dai_fmt); dev_dbg(dev, "\tcpu : %s / %d\n", dai_link->cpu_dai_name, dai_props->cpu_dai.sysclk); dev_dbg(dev, "\tcodec : %s / %d\n", dai_link->codec_dai_name, dai_props->codec_dai.sysclk); /* * In soc_bind_dai_link() will check cpu name after * of_node matching if dai_link has cpu_dai_name. * but, it will never match if name was created by * fmt_single_name() remove cpu_dai_name if cpu_args * was 0. See: * fmt_single_name() * fmt_multiple_name() */ if (!cpu_args) dai_link->cpu_dai_name = NULL; dai_link_of_err: of_node_put(cpu); of_node_put(codec); return ret; }
static int simple_dai_link_of_dpcm(struct simple_priv *priv, struct device_node *np, struct device_node *codec, struct link_info *li, bool is_top) { struct device *dev = simple_priv_to_dev(priv); struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link); struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link); struct asoc_simple_dai *dai; struct snd_soc_dai_link_component *codecs = dai_link->codecs; struct device_node *top = dev->of_node; struct device_node *node = of_get_parent(np); char prop[128]; char *prefix = ""; int ret; /* * |CPU |Codec : turn * CPU |Pass |return * Codec |return|Pass * np */ if (li->cpu == (np == codec)) return 0; dev_dbg(dev, "link_of DPCM (%pOF)\n", np); li->link++; of_node_put(node); /* For single DAI link & old style of DT node */ if (is_top) prefix = PREFIX; if (li->cpu) { 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[li->dais++]; 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 = simple_be_hw_params_fixup; dai = dai_props->codec_dai = &priv->dais[li->dais++]; cconf = dai_props->codec_conf = &priv->codec_conf[li->conf++]; 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"); } simple_get_conversion(dev, np, &dai_props->adata); asoc_simple_card_canonicalize_platform(dai_link); ret = asoc_simple_card_of_parse_tdm(np, dai); if (ret) 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 = &simple_ops; dai_link->init = simple_dai_init; return 0; }
static int asoc_simple_card_dai_link_of(struct device_node *node, struct simple_card_data *priv, int 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 device_node *cpu = NULL; struct device_node *plat = NULL; struct device_node *codec = NULL; char prop[128]; char *prefix = ""; int ret, single_cpu; /* For single DAI link & old style of DT node */ if (is_top_level_node) prefix = PREFIX; snprintf(prop, sizeof(prop), "%scpu", prefix); cpu = of_get_child_by_name(node, prop); if (!cpu) { ret = -EINVAL; dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); goto dai_link_of_err; } snprintf(prop, sizeof(prop), "%splat", prefix); plat = of_get_child_by_name(node, prop); snprintf(prop, sizeof(prop), "%scodec", prefix); codec = of_get_child_by_name(node, prop); if (!codec) { ret = -EINVAL; dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); goto dai_link_of_err; } 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); ret = asoc_simple_card_parse_cpu(cpu, dai_link, DAI, CELL, &single_cpu); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_parse_codec(codec, dai_link, DAI, CELL); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_parse_platform(plat, dai_link, DAI, CELL); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_of_parse_tdm(cpu, cpu_dai); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_of_parse_tdm(codec, codec_dai); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_parse_clk_cpu(dev, cpu, dai_link, cpu_dai); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_parse_clk_codec(dev, codec, dai_link, codec_dai); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_canonicalize_dailink(dai_link); if (ret < 0) goto dai_link_of_err; ret = asoc_simple_card_set_dailink_name(dev, dai_link, "%s-%s", dai_link->cpu_dai_name, dai_link->codec_dai_name); if (ret < 0) goto dai_link_of_err; dai_link->ops = &asoc_simple_card_ops; dai_link->init = asoc_simple_card_dai_init; asoc_simple_card_canonicalize_cpu(dai_link, single_cpu); dai_link_of_err: of_node_put(cpu); of_node_put(codec); return ret; }