static int simple_parse_aux_devs(struct device_node *node, struct simple_priv *priv) { struct device *dev = simple_priv_to_dev(priv); struct device_node *aux_node; struct snd_soc_card *card = simple_priv_to_card(priv); int i, n, len; if (!of_find_property(node, PREFIX "aux-devs", &len)) return 0; /* Ok to have no aux-devs */ n = len / sizeof(__be32); if (n <= 0) return -EINVAL; card->aux_dev = devm_kcalloc(dev, n, sizeof(*card->aux_dev), GFP_KERNEL); if (!card->aux_dev) return -ENOMEM; for (i = 0; i < n; i++) { aux_node = of_parse_phandle(node, PREFIX "aux-devs", i); if (!aux_node) return -EINVAL; card->aux_dev[i].codec_of_node = aux_node; } card->num_aux_devs = n; return 0; }
static int asoc_simple_card_parse_of(struct device_node *node, struct simple_card_data *priv) { struct device *dev = simple_priv_to_dev(priv); enum of_gpio_flags flags; u32 val; int ret; if (!node) return -EINVAL; /* Parse the card name from DT */ snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name"); /* The off-codec widgets */ if (of_property_read_bool(node, "simple-audio-card,widgets")) { ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card, "simple-audio-card,widgets"); if (ret) return ret; } /* DAPM routes */ if (of_property_read_bool(node, "simple-audio-card,routing")) { ret = snd_soc_of_parse_audio_routing(&priv->snd_card, "simple-audio-card,routing"); if (ret) return ret; } /* Factor to mclk, used in hw_params() */ ret = of_property_read_u32(node, "simple-audio-card,mclk-fs", &val); if (ret == 0) priv->mclk_fs = val; dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ? priv->snd_card.name : ""); /* Single/Muti DAI link(s) & New style of DT node */ if (of_get_child_by_name(node, "simple-audio-card,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); return ret; } i++; } } else {
static int simple_parse_of(struct simple_priv *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 link_info li; int ret; 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); if (ret < 0) return ret; /* Single/Muti DAI link(s) & New style of DT node */ memset(&li, 0, sizeof(li)); for (li.cpu = 1; li.cpu >= 0; li.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; */ ret = simple_for_each_link(priv, &li, simple_dai_link_of, simple_dai_link_of_dpcm); if (ret < 0) return ret; } ret = asoc_simple_card_parse_card_name(card, PREFIX); if (ret < 0) return ret; ret = simple_parse_aux_devs(top, priv); return ret; }
static int asoc_simple_card_parse_of(struct device_node *node, struct simple_card_data *priv) { struct device *dev = simple_priv_to_dev(priv); struct device_node *dai_link; int ret; if (!node) return -EINVAL; dai_link = of_get_child_by_name(node, PREFIX "dai-link"); /* The off-codec widgets */ if (of_property_read_bool(node, PREFIX "widgets")) { ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card, PREFIX "widgets"); if (ret) goto card_parse_end; } /* DAPM routes */ if (of_property_read_bool(node, PREFIX "routing")) { ret = snd_soc_of_parse_audio_routing(&priv->snd_card, PREFIX "routing"); if (ret) goto card_parse_end; } /* Factor to mclk, used in hw_params() */ of_property_read_u32(node, PREFIX "mclk-fs", &priv->mclk_fs); /* 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; } i++; } } else {
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 asoc_simple_card_parse_daifmt(struct device_node *node, struct simple_card_data *priv, struct device_node *codec, char *prefix, int idx) { struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); struct device *dev = simple_priv_to_dev(priv); struct device_node *bitclkmaster = NULL; struct device_node *framemaster = NULL; unsigned int daifmt; daifmt = snd_soc_of_parse_daifmt(node, prefix, &bitclkmaster, &framemaster); daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK; if (strlen(prefix) && !bitclkmaster && !framemaster) { /* * No dai-link level and master setting was not found from * sound node level, revert back to legacy DT parsing and * take the settings from codec node. */ dev_dbg(dev, "Revert to legacy daifmt parsing\n"); daifmt = snd_soc_of_parse_daifmt(codec, NULL, NULL, NULL) | (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK); } else { if (codec == bitclkmaster) daifmt |= (codec == framemaster) ? SND_SOC_DAIFMT_CBM_CFM : SND_SOC_DAIFMT_CBM_CFS; else daifmt |= (codec == framemaster) ? SND_SOC_DAIFMT_CBS_CFM : SND_SOC_DAIFMT_CBS_CFS; } dai_link->dai_fmt = daifmt; of_node_put(bitclkmaster); of_node_put(framemaster); return 0; }
dai->sysclk = clk_get_rate(clk); dai->clk = clk; } else if (!of_property_read_u32(np, "system-clock-frequency", &val)) { dai->sysclk = val; } else { clk = of_clk_get(args.np, 0); if (!IS_ERR(clk)) dai->sysclk = clk_get_rate(clk); } return 0; } static int asoc_s; struct device *dev = simple_priv_to_dev(priv); struct device_node *bitclkmaster = NULL; struct device_node *framemaster = NULL; unsigned int daifmt; daifmt = snd_soc_of_parse_daifmt(node, prefix, &bitclkmaster, &framemaster); daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK; if (strlen(prefix) && !bitclkmaster && !framemaster) { /* * No dai-link level and master setting was not found from * sound node level, revert back to legacy DT parsing and * take the settings from codec node. */ dev_dbg(dev, "Revert to legacy daifmt parsing\n");
static int asoc_simple_card_dai_link_of(struct device_node *np, struct simple_card_data *priv, unsigned int daifmt, int idx, bool is_fe) { struct device *dev = simple_priv_to_dev(priv); struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); struct asoc_simple_dai *dai_props = simple_priv_to_props(priv, idx); struct snd_soc_card *card = simple_priv_to_card(priv); int ret; if (is_fe) { int is_single_links = 0; /* BE is dummy */ dai_link->codec_of_node = NULL; dai_link->codec_dai_name = "snd-soc-dummy-dai"; dai_link->codec_name = "snd-soc-dummy"; /* FE settings */ dai_link->dynamic = 1; dai_link->dpcm_merged_format = 1; 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); 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 { /* 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; 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); if (ret < 0) return ret; ret = asoc_simple_card_set_dailink_name(dev, dai_link, "be.%s", dai_link->codec_dai_name); if (ret < 0) return ret; snd_soc_of_parse_audio_prefix(card, &priv->codec_conf, dai_link->codec_of_node, PREFIX "prefix"); } ret = asoc_simple_card_of_parse_tdm(np, dai_props); if (ret) return ret; ret = asoc_simple_card_canonicalize_dailink(dai_link); if (ret < 0) return ret; dai_link->dai_fmt = daifmt; 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 *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 *np = NULL; struct device_node *bitclkmaster = NULL; struct device_node *framemaster = NULL; unsigned int daifmt; char *name; char prop[128]; char *prefix = ""; int ret, cpu_args; /* For single DAI link & old style of DT node */ if (is_top_level_node) prefix = "simple-audio-card,"; daifmt = snd_soc_of_parse_daifmt(node, prefix, &bitclkmaster, &framemaster); daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK; snprintf(prop, sizeof(prop), "%scpu", prefix); np = of_get_child_by_name(node, prop); if (!np) { ret = -EINVAL; dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); goto dai_link_of_err; } ret = asoc_simple_card_sub_parse_of(np, &dai_props->cpu_dai, &dai_link->cpu_of_node, &dai_link->cpu_dai_name, &cpu_args); if (ret < 0) goto dai_link_of_err; dai_props->cpu_dai.fmt = daifmt; switch (((np == bitclkmaster) << 4) | (np == framemaster)) { case 0x11: dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS; break; case 0x10: dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM; break; case 0x01: dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS; break; default: dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM; break; } of_node_put(np); snprintf(prop, sizeof(prop), "%scodec", prefix); np = of_get_child_by_name(node, prop); if (!np) { ret = -EINVAL; dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); goto dai_link_of_err; } ret = asoc_simple_card_sub_parse_of(np, &dai_props->codec_dai, &dai_link->codec_of_node, &dai_link->codec_dai_name, NULL); if (ret < 0) goto dai_link_of_err; if (strlen(prefix) && !bitclkmaster && !framemaster) { /* * No DAI link level and master setting was found * from sound node level, revert back to legacy DT * parsing and take the settings from codec node. */ dev_dbg(dev, "%s: Revert to legacy daifmt parsing\n", __func__); dai_props->cpu_dai.fmt = dai_props->codec_dai.fmt = snd_soc_of_parse_daifmt(np, NULL, NULL, NULL) | (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK); } else { dai_props->codec_dai.fmt = daifmt; switch (((np == bitclkmaster) << 4) | (np == framemaster)) { case 0x11: dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM; break; case 0x10: dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS; break; case 0x01: dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM; break; default: dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS; break; } } if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) { ret = -EINVAL; goto dai_link_of_err; } /* Simple Card 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); 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, "\tcpu : %s / %04x / %d\n", dai_link->cpu_dai_name, dai_props->cpu_dai.fmt, dai_props->cpu_dai.sysclk); dev_dbg(dev, "\tcodec : %s / %04x / %d\n", dai_link->codec_dai_name, dai_props->codec_dai.fmt, 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: if (np) of_node_put(np); if (bitclkmaster) of_node_put(bitclkmaster); if (framemaster) of_node_put(framemaster); return ret; }
static void simple_get_dais_count(struct simple_priv *priv, struct link_info *li) { struct device *dev = simple_priv_to_dev(priv); struct device_node *top = dev->of_node; /* * 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 * * ex4) * CPU0 --- Codec0 (convert-rate) link : 3 * CPU1 --- Codec1 dais : 4 * ccnf : 1 * * => 3 links = 1xCPU-Codec + 1xCPU-dummy + 1xdummy-Codec * => 4 DAIs = 2xCPU + 2xCodec * => 1 ccnf = 1xdummy-Codec */ if (!top) { li->link = 1; li->dais = 2; li->conf = 0; return; } simple_for_each_link(priv, li, simple_count_noml, simple_count_dpcm); dev_dbg(dev, "link %d, dais %d, ccnf %d\n", li->link, li->dais, li->conf); }
static int simple_for_each_link(struct simple_priv *priv, struct link_info *li, int (*func_noml)(struct simple_priv *priv, struct device_node *np, struct device_node *codec, struct link_info *li, bool is_top), int (*func_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 device_node *top = dev->of_node; struct device_node *node; uintptr_t dpcm_selectable = (uintptr_t)of_device_get_match_data(dev); bool is_top = 0; int ret = 0; /* Check if it has dai-link */ node = of_get_child_by_name(top, PREFIX "dai-link"); if (!node) { node = of_node_get(top); is_top = 1; } /* loop for all dai-link */ do { struct asoc_simple_card_data adata; struct device_node *codec; struct device_node *np; int num = of_get_child_count(node); /* get codec */ codec = of_get_child_by_name(node, is_top ? PREFIX "codec" : "codec"); if (!codec) { ret = -ENODEV; goto error; } of_node_put(codec); /* get convert-xxx property */ memset(&adata, 0, sizeof(adata)); for_each_child_of_node(node, np) simple_get_conversion(dev, np, &adata); /* loop for all CPU/Codec node */ for_each_child_of_node(node, np) { /* * It is DPCM * if it has many CPUs, * or has convert-xxx property */ if (dpcm_selectable && (num > 2 || adata.convert_rate || adata.convert_channels)) ret = func_dpcm(priv, np, codec, li, is_top); /* else normal sound */ else ret = func_noml(priv, np, codec, li, is_top); if (ret < 0) { of_node_put(np); goto error; } } node = of_get_next_child(top, node); } while (!is_top && node); error: of_node_put(node); return ret; }
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 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 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 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; }