diff options
Diffstat (limited to 'sound/soc/generic')
| -rw-r--r-- | sound/soc/generic/Kconfig | 17 | ||||
| -rw-r--r-- | sound/soc/generic/Makefile | 4 | ||||
| -rw-r--r-- | sound/soc/generic/audio-graph-card.c | 481 | ||||
| -rw-r--r-- | sound/soc/generic/audio-graph-scu-card.c | 501 | ||||
| -rw-r--r-- | sound/soc/generic/simple-card-utils.c | 25 | ||||
| -rw-r--r-- | sound/soc/generic/simple-card.c | 479 | ||||
| -rw-r--r-- | sound/soc/generic/simple-scu-card.c | 474 |
7 files changed, 577 insertions, 1404 deletions
diff --git a/sound/soc/generic/Kconfig b/sound/soc/generic/Kconfig index 92c2cf06f40a..83f1243145b0 100644 --- a/sound/soc/generic/Kconfig +++ b/sound/soc/generic/Kconfig @@ -8,14 +8,6 @@ config SND_SIMPLE_CARD 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" - depends on OF - select SND_SIMPLE_CARD_UTILS - help - This option enables generic simple SCU sound card support. - It supports DPCM of multi CPU single Codec system. - config SND_AUDIO_GRAPH_CARD tristate "ASoC Audio Graph sound card support" depends on OF @@ -24,12 +16,3 @@ config SND_AUDIO_GRAPH_CARD 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" - depends on OF - select SND_SIMPLE_CARD_UTILS - help - This option enables generic simple SCU sound card support - with OF-graph DT bindings. - It supports DPCM of multi CPU single Codec ststem. diff --git a/sound/soc/generic/Makefile b/sound/soc/generic/Makefile index 9dec293a4c4d..21c29e5e0671 100644 --- a/sound/soc/generic/Makefile +++ b/sound/soc/generic/Makefile @@ -1,12 +1,8 @@ # SPDX-License-Identifier: GPL-2.0 snd-soc-simple-card-utils-objs := simple-card-utils.o snd-soc-simple-card-objs := simple-card.o -snd-soc-simple-scu-card-objs := simple-scu-card.o snd-soc-audio-graph-card-objs := audio-graph-card.o -snd-soc-audio-graph-scu-card-objs := audio-graph-scu-card.o obj-$(CONFIG_SND_SIMPLE_CARD_UTILS) += snd-soc-simple-card-utils.o obj-$(CONFIG_SND_SIMPLE_CARD) += snd-soc-simple-card.o -obj-$(CONFIG_SND_SIMPLE_SCU_CARD) += snd-soc-simple-scu-card.o obj-$(CONFIG_SND_AUDIO_GRAPH_CARD) += snd-soc-audio-graph-card.o -obj-$(CONFIG_SND_AUDIO_GRAPH_SCU_CARD) += snd-soc-audio-graph-scu-card.o diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 0d6144560a1e..bb12351330e8 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -20,13 +20,13 @@ #include <linux/string.h> #include <sound/simple_card_utils.h> -struct graph_card_data { +struct graph_priv { struct snd_soc_card snd_card; struct graph_dai_props { 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 snd_soc_dai_link_component platforms; struct asoc_simple_card_data adata; struct snd_soc_codec_conf *codec_conf; unsigned int mclk_fs; @@ -39,6 +39,13 @@ struct graph_card_data { struct gpio_desc *pa_gpio; }; +struct link_info { + int dais; /* number of dai */ + int link; /* number of link */ + int conf; /* number of codec_conf */ + int cpu; /* turn for CPU / Codec */ +}; + #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) @@ -46,12 +53,12 @@ struct graph_card_data { #define PREFIX "audio-graph-card," -static int asoc_graph_card_outdrv_event(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, - int event) +static int graph_outdrv_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) { struct snd_soc_dapm_context *dapm = w->dapm; - struct graph_card_data *priv = snd_soc_card_get_drvdata(dapm->card); + struct graph_priv *priv = snd_soc_card_get_drvdata(dapm->card); switch (event) { case SND_SOC_DAPM_POST_PMU: @@ -67,16 +74,16 @@ static int asoc_graph_card_outdrv_event(struct snd_soc_dapm_widget *w, return 0; } -static const struct snd_soc_dapm_widget asoc_graph_card_dapm_widgets[] = { +static const struct snd_soc_dapm_widget graph_dapm_widgets[] = { SND_SOC_DAPM_OUT_DRV_E("Amplifier", SND_SOC_NOPM, - 0, 0, NULL, 0, asoc_graph_card_outdrv_event, + 0, 0, NULL, 0, graph_outdrv_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), }; -static int asoc_graph_card_startup(struct snd_pcm_substream *substream) +static int graph_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_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); int ret; @@ -91,10 +98,10 @@ static int asoc_graph_card_startup(struct snd_pcm_substream *substream) return ret; } -static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream) +static void graph_shutdown(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_priv *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); @@ -102,13 +109,13 @@ static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream) asoc_simple_card_clk_disable(dai_props->codec_dai); } -static int asoc_graph_card_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) +static int graph_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct graph_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); unsigned int mclk, mclk_fs = 0; int ret = 0; @@ -133,15 +140,15 @@ err: return ret; } -static const struct snd_soc_ops asoc_graph_card_ops = { - .startup = asoc_graph_card_startup, - .shutdown = asoc_graph_card_shutdown, - .hw_params = asoc_graph_card_hw_params, +static const struct snd_soc_ops graph_ops = { + .startup = graph_startup, + .shutdown = graph_shutdown, + .hw_params = graph_hw_params, }; -static int asoc_graph_card_dai_init(struct snd_soc_pcm_runtime *rtd) +static int graph_dai_init(struct snd_soc_pcm_runtime *rtd) { - struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct graph_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); int ret = 0; @@ -158,10 +165,10 @@ static int asoc_graph_card_dai_init(struct snd_soc_pcm_runtime *rtd) return 0; } -static int asoc_graph_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, - struct snd_pcm_hw_params *params) +static int graph_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_priv *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); @@ -169,41 +176,64 @@ static int asoc_graph_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 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) +static void graph_get_conversion(struct device *dev, + struct device_node *ep, + struct asoc_simple_card_data *adata) { - 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 *ep = is_cpu ? cpu_ep : codec_ep; + struct device_node *top = dev->of_node; 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); + + asoc_simple_card_parse_convert(dev, top, NULL, adata); + asoc_simple_card_parse_convert(dev, node, PREFIX, adata); + asoc_simple_card_parse_convert(dev, ports, NULL, adata); + asoc_simple_card_parse_convert(dev, port, NULL, adata); + asoc_simple_card_parse_convert(dev, ep, NULL, adata); +} + +static int graph_dai_link_of_dpcm(struct graph_priv *priv, + struct device_node *cpu_ep, + struct device_node *codec_ep, + struct link_info *li, + int dup_codec) +{ + struct device *dev = graph_priv_to_dev(priv); + struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, li->link); + struct graph_dai_props *dai_props = graph_priv_to_props(priv, li->link); + struct device_node *top = dev->of_node; + struct device_node *ep = li->cpu ? cpu_ep : codec_ep; + struct device_node *port; + struct device_node *ports; + struct device_node *node; struct asoc_simple_dai *dai; struct snd_soc_dai_link_component *codecs = dai_link->codecs; int ret; - dev_dbg(dev, "link_of DPCM (for %s)\n", is_cpu ? "CPU" : "Codec"); + /* Do it all CPU endpoint, and 1st Codec endpoint */ + if (!li->cpu && dup_codec) + return 0; + + port = of_get_parent(ep); + ports = of_get_parent(port); + node = of_graph_get_port_parent(ep); + + li->link++; + + dev_dbg(dev, "link_of DPCM (%pOF)\n", ep); 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); + graph_get_conversion(dev, ep, &dai_props->adata); of_node_put(ports); of_node_put(port); + of_node_put(node); - if (is_cpu) { + if (li->cpu) { /* BE is dummy */ codecs->of_node = NULL; @@ -215,7 +245,7 @@ static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top, dai_link->dpcm_merged_format = 1; dai = - dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + dai_props->cpu_dai = &priv->dais[li->dais++]; ret = asoc_simple_card_parse_graph_cpu(ep, dai_link); if (ret) @@ -244,13 +274,13 @@ static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top, /* BE settings */ dai_link->no_pcm = 1; - dai_link->be_hw_params_fixup = asoc_graph_card_be_hw_params_fixup; + dai_link->be_hw_params_fixup = graph_be_hw_params_fixup; dai = - dai_props->codec_dai = &priv->dais[(*dai_idx)++]; + dai_props->codec_dai = &priv->dais[li->dais++]; cconf = - dai_props->codec_conf = &priv->codec_conf[(*conf_idx)++]; + dai_props->codec_conf = &priv->codec_conf[li->conf++]; ret = asoc_simple_card_parse_graph_codec(ep, dai_link); if (ret < 0) @@ -277,14 +307,12 @@ static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top, "prefix"); } + asoc_simple_card_canonicalize_platform(dai_link); + 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) @@ -292,35 +320,46 @@ static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top, 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; + dai_link->ops = &graph_ops; + dai_link->init = graph_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) +static int graph_dai_link_of(struct graph_priv *priv, + struct device_node *cpu_ep, + struct device_node *codec_ep, + struct link_info *li) { 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 snd_soc_dai_link *dai_link = graph_priv_to_link(priv, li->link); + struct graph_dai_props *dai_props = graph_priv_to_props(priv, li->link); + struct device_node *top = dev->of_node; + struct device_node *cpu_port; + struct device_node *cpu_ports; + struct device_node *codec_port; + struct device_node *codec_ports; struct asoc_simple_dai *cpu_dai; struct asoc_simple_dai *codec_dai; int ret; - dev_dbg(dev, "link_of\n"); + /* Do it only CPU turn */ + if (!li->cpu) + return 0; + + cpu_port = of_get_parent(cpu_ep); + cpu_ports = of_get_parent(cpu_port); + codec_port = of_get_parent(codec_ep); + codec_ports = of_get_parent(codec_port); + + dev_dbg(dev, "link_of (%pOF)\n", cpu_ep); + + li->link++; cpu_dai = - dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + dai_props->cpu_dai = &priv->dais[li->dais++]; codec_dai = - dai_props->codec_dai = &priv->dais[(*dai_idx)++]; + dai_props->codec_dai = &priv->dais[li->dais++]; /* Factor to mclk, used in hw_params() */ of_property_read_u32(top, "mclk-fs", &dai_props->mclk_fs); @@ -364,10 +403,6 @@ static int asoc_graph_card_dai_link_of(struct device_node *top, if (ret < 0) return ret; - ret = asoc_simple_card_canonicalize_dailink(dai_link); - if (ret < 0) - return ret; - ret = asoc_simple_card_set_dailink_name(dev, dai_link, "%s-%s", dai_link->cpu_dai_name, @@ -375,30 +410,89 @@ static int asoc_graph_card_dai_link_of(struct device_node *top, if (ret < 0) return ret; - dai_link->ops = &asoc_graph_card_ops; - dai_link->init = asoc_graph_card_dai_init; + dai_link->ops = &graph_ops; + dai_link->init = graph_dai_init; + asoc_simple_card_canonicalize_platform(dai_link); asoc_simple_card_canonicalize_cpu(dai_link, of_graph_get_endpoint_count(dai_link->cpu_of_node) == 1); return 0; } -static int asoc_graph_card_parse_of(struct graph_card_data *priv) +static int graph_for_each_link(struct graph_priv *priv, + struct link_info *li, + int (*func_noml)(struct graph_priv *priv, + struct device_node *cpu_ep, + struct device_node *codec_ep, + struct link_info *li), + int (*func_dpcm)(struct graph_priv *priv, + struct device_node *cpu_ep, + struct device_node *codec_ep, + struct link_info *li, int dup_codec)) { 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 *top = dev->of_node; - struct device_node *node = top; + struct device_node *node = dev->of_node; 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; + struct device_node *cpu_ep; + struct device_node *codec_ep; + struct device_node *codec_port; + struct device_node *codec_port_old = NULL; + struct asoc_simple_card_data adata; int rc, ret; - int link_idx, dai_idx, conf_idx; - int cpu; + + /* loop for all listed CPU port */ + of_for_each_phandle(&it, rc, node, "dais", NULL, 0) { + cpu_port = it.node; + cpu_ep = NULL; + + /* loop for all CPU endpoint */ + while (1) { + cpu_ep = of_get_next_child(cpu_port, cpu_ep); + if (!cpu_ep) + break; + + /* get codec */ + 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); + + /* get convert-xxx property */ + memset(&adata, 0, sizeof(adata)); + graph_get_conversion(dev, codec_ep, &adata); + graph_get_conversion(dev, cpu_ep, &adata); + + /* + * It is DPCM + * if Codec port has many endpoints, + * or has convert-xxx property + */ + if ((of_get_child_count(codec_port) > 1) || + adata.convert_rate || adata.convert_channels) + ret = func_dpcm(priv, cpu_ep, codec_ep, li, + (codec_port_old == codec_port)); + /* else normal sound */ + else + ret = func_noml(priv, cpu_ep, codec_ep, li); + + if (ret < 0) + return ret; + + codec_port_old = codec_port; + } + } + + return 0; +} + +static int graph_parse_of(struct graph_priv *priv) +{ + struct snd_soc_card *card = graph_priv_to_card(priv); + struct link_info li; + int ret; ret = asoc_simple_card_of_parse_widgets(card, NULL); if (ret < 0) @@ -408,11 +502,8 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv) if (ret < 0) return ret; - link_idx = 0; - dai_idx = 0; - conf_idx = 0; - codec_port_old = NULL; - for (cpu = 1; cpu >= 0; cpu--) { + memset(&li, 0, sizeof(li)); + for (li.cpu = 1; li.cpu >= 0; li.cpu--) { /* * Detect all CPU first, and Detect all Codec 2nd. * @@ -425,66 +516,57 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv) * 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; - } - } + ret = graph_for_each_link(priv, &li, + graph_dai_link_of, + graph_dai_link_of_dpcm); + if (ret < 0) + return ret; } return asoc_simple_card_parse_card_name(card, NULL); } -static void asoc_graph_get_dais_count(struct device *dev, - int *link_num, - int *dais_num, - int *ccnf_num) +static int graph_count_noml(struct graph_priv *priv, + struct device_node *cpu_ep, + struct device_node *codec_ep, + struct link_info *li) { - struct of_phandle_iterator it; - struct device_node *node = dev->of_node; - 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; + struct device *dev = graph_priv_to_dev(priv); + + li->link += 1; /* 1xCPU-Codec */ + li->dais += 2; /* 1xCPU + 1xCodec */ + + dev_dbg(dev, "Count As Normal\n"); + + return 0; +} + +static int graph_count_dpcm(struct graph_priv *priv, + struct device_node *cpu_ep, + struct device_node *codec_ep, + struct link_info *li, + int dup_codec) +{ + struct device *dev = graph_priv_to_dev(priv); + + li->link++; /* 1xCPU-dummy */ + li->dais++; /* 1xCPU */ + + if (!dup_codec) { + li->link++; /* 1xdummy-Codec */ + li->conf++; /* 1xdummy-Codec */ + li->dais++; /* 1xCodec */ + } + + dev_dbg(dev, "Count As DPCM\n"); + + return 0; +} + +static void graph_get_dais_count(struct graph_priv *priv, + struct link_info *li) +{ + struct device *dev = graph_priv_to_dev(priv); /* * link_num : number of links. @@ -522,45 +604,26 @@ static void asoc_graph_get_dais_count(struct device *dev, * => 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 */ - 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; - } - } + graph_for_each_link(priv, li, + graph_count_noml, + graph_count_dpcm); + dev_dbg(dev, "link %d, dais %d, ccnf %d\n", + li->link, li->dais, li->conf); } -static int asoc_graph_soc_card_probe(struct snd_soc_card *card) +static int graph_card_probe(struct snd_soc_card *card) { - struct graph_card_data *priv = snd_soc_card_get_drvdata(card); + struct graph_priv *priv = snd_soc_card_get_drvdata(card); int ret; ret = asoc_simple_card_init_hp(card, &priv->hp_jack, NULL); @@ -574,16 +637,16 @@ static int asoc_graph_soc_card_probe(struct snd_soc_card *card) return 0; } -static int asoc_graph_card_probe(struct platform_device *pdev) +static int graph_probe(struct platform_device *pdev) { - struct graph_card_data *priv; + struct graph_priv *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; struct snd_soc_codec_conf *cconf; - int lnum = 0, dnum = 0, cnum = 0; + struct link_info li; int ret, i; /* Allocate the private data and the DAI link array */ @@ -591,14 +654,22 @@ static int asoc_graph_card_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - asoc_graph_get_dais_count(dev, &lnum, &dnum, &cnum); - if (!lnum || !dnum) + card = graph_priv_to_card(priv); + card->owner = THIS_MODULE; + card->dev = dev; + card->dapm_widgets = graph_dapm_widgets; + card->num_dapm_widgets = ARRAY_SIZE(graph_dapm_widgets); + card->probe = graph_card_probe; + + memset(&li, 0, sizeof(li)); + graph_get_dais_count(priv, &li); + if (!li.link || !li.dais) 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); + dai_props = devm_kcalloc(dev, li.link, sizeof(*dai_props), GFP_KERNEL); + dai_link = devm_kcalloc(dev, li.link, sizeof(*dai_link), GFP_KERNEL); + dais = devm_kcalloc(dev, li.dais, sizeof(*dais), GFP_KERNEL); + cconf = devm_kcalloc(dev, li.conf, sizeof(*cconf), GFP_KERNEL); if (!dai_props || !dai_link || !dais) return -ENOMEM; @@ -608,10 +679,11 @@ static int asoc_graph_card_probe(struct platform_device *pdev) * see * soc-core.c :: snd_soc_init_multicodec() */ - for (i = 0; i < lnum; i++) { + for (i = 0; i < li.link; i++) { dai_link[i].codecs = &dai_props[i].codecs; dai_link[i].num_codecs = 1; - dai_link[i].platform = &dai_props[i].platform; + dai_link[i].platforms = &dai_props[i].platforms; + dai_link[i].num_platforms = 1; } priv->pa_gpio = devm_gpiod_get_optional(dev, "pa", GPIOD_OUT_LOW); @@ -621,24 +693,17 @@ static int asoc_graph_card_probe(struct platform_device *pdev) return ret; } - priv->dai_props = dai_props; - priv->dai_link = dai_link; - priv->dais = dais; - priv->codec_conf = cconf; + 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 = 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->num_links = li.link; card->codec_conf = cconf; - card->num_configs = cnum; + card->num_configs = li.conf; - ret = asoc_graph_card_parse_of(priv); + ret = graph_parse_of(priv); if (ret < 0) { if (ret != -EPROBE_DEFER) dev_err(dev, "parse error %d\n", ret); @@ -658,30 +723,30 @@ err: return ret; } -static int asoc_graph_card_remove(struct platform_device *pdev) +static int graph_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); return asoc_simple_card_clean_reference(card); } -static const struct of_device_id asoc_graph_of_match[] = { +static const struct of_device_id graph_of_match[] = { { .compatible = "audio-graph-card", }, { .compatible = "audio-graph-scu-card", }, {}, }; -MODULE_DEVICE_TABLE(of, asoc_graph_of_match); +MODULE_DEVICE_TABLE(of, graph_of_match); -static struct platform_driver asoc_graph_card = { +static struct platform_driver graph_card = { .driver = { .name = "asoc-audio-graph-card", .pm = &snd_soc_pm_ops, - .of_match_table = asoc_graph_of_match, + .of_match_table = graph_of_match, }, - .probe = asoc_graph_card_probe, - .remove = asoc_graph_card_remove, + .probe = graph_probe, + .remove = graph_remove, }; -module_platform_driver(asoc_graph_card); +module_platform_driver(graph_card); MODULE_ALIAS("platform:asoc-audio-graph-card"); MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/generic/audio-graph-scu-card.c b/sound/soc/generic/audio-graph-scu-card.c deleted file mode 100644 index e1b192ea147b..000000000000 --- a/sound/soc/generic/audio-graph-scu-card.c +++ /dev/null @@ -1,501 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// ASoC audio graph SCU sound card support -// -// Copyright (C) 2017 Renesas Solutions Corp. -// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> -// -// based on -// ${LINUX}/sound/soc/generic/simple-scu-card.c -// ${LINUX}/sound/soc/generic/audio-graph-card.c - -#include <linux/clk.h> -#include <linux/device.h> -#include <linux/gpio.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/of_gpio.h> -#include <linux/of_graph.h> -#include <linux/platform_device.h> -#include <linux/string.h> -#include <sound/jack.h> -#include <sound/simple_card_utils.h> - -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 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) -#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_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; - - 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) -{ - 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); - - 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 = { - .startup = asoc_graph_card_startup, - .shutdown = asoc_graph_card_shutdown, -}; - -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 graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num); - int ret = 0; - - ret = asoc_simple_card_init_dai(rtd->codec_dai, - dai_props->codec_dai); - if (ret < 0) - return ret; - - 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 *cpu_ep, - struct device_node *codec_ep, - struct graph_card_data *priv, - 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, 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) { - struct snd_soc_dai_link_component *codecs; - - /* BE is dummy */ - codecs = dai_link->codecs; - 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", - dai_link->codecs->dai_name); - if (ret < 0) - return ret; - - /* 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"); - } - - asoc_simple_card_parse_convert(dev, node, PREFIX, &dai_props->adata); - - 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) - 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_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; - 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; - int dai_idx, link_idx, conf_idx, ret; - int rc, codec; - - if (!node) - return -EINVAL; - - /* - * we need to consider "widgets", "mclk-fs" around here - * see simple-card - */ - - ret = asoc_simple_card_of_parse_routing(card, NULL); - if (ret < 0) - return ret; - - asoc_simple_card_parse_convert(dev, node, NULL, &priv->adata); - - /* - * it supports multi CPU, single CODEC only here - * see asoc_graph_get_dais_count - */ - - link_idx = 0; - dai_idx = 0; - conf_idx = 0; - codec_port_old = NULL; - for (codec = 0; codec < 2; codec++) { - /* - * To listup valid sounds continuously, - * detect all CPU-dummy first, and - * detect all dummy-Codec second - */ - 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); - codec_port = of_graph_get_port_parent(codec_ep); - - 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_old == codec_port) - continue; - - codec_port_old = codec_port; - } - - 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; - } - } - - ret = asoc_simple_card_parse_card_name(card, NULL); - 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 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; - 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; - - /* - * 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); - codec_ep = of_graph_get_remote_endpoint(cpu_ep); - codec_port = of_graph_get_port_parent(codec_ep); - - of_node_put(cpu_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_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; - 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; - - asoc_graph_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; - - /* - * Use snd_soc_dai_link_component instead of legacy style - * It is codec only. but cpu/platform will be supported in the future. - * see - * soc-core.c :: snd_soc_init_multicodec() - */ - 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; - } - - 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 = lnum; - card->codec_conf = cconf; - card->num_configs = cnum; - - ret = asoc_graph_card_parse_of(priv); - if (ret < 0) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "parse error %d\n", ret); - goto err; - } - - snd_soc_card_set_drvdata(card, priv); - - ret = devm_snd_soc_register_card(dev, card); - if (ret < 0) - goto err; - - return 0; -err: - asoc_simple_card_clean_reference(card); - - return ret; -} - -static int asoc_graph_card_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - return asoc_simple_card_clean_reference(card); -} - -static const struct of_device_id asoc_graph_of_match[] = { - { .compatible = "audio-graph-scu-card", }, - {}, -}; -MODULE_DEVICE_TABLE(of, asoc_graph_of_match); - -static struct platform_driver asoc_graph_card = { - .driver = { - .name = "asoc-audio-graph-scu-card", - .pm = &snd_soc_pm_ops, - .of_match_table = asoc_graph_of_match, - }, - .probe = asoc_graph_card_probe, - .remove = asoc_graph_card_remove, -}; -module_platform_driver(asoc_graph_card); - -MODULE_ALIAS("platform:asoc-audio-graph-scu-card"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("ASoC Audio Graph SCU Sound Card"); -MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index b807a47515eb..5c1424f03620 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -283,12 +283,20 @@ static int asoc_simple_card_get_dai_id(struct device_node *ep) /* use endpoint/port reg if exist */ ret = of_graph_parse_endpoint(ep, &info); if (ret == 0) { - if (info.id) + /* + * Because it will count port/endpoint if it doesn't have "reg". + * But, we can't judge whether it has "no reg", or "reg = <0>" + * only of_graph_parse_endpoint(). + * We need to check "reg" property + */ + if (of_get_property(ep, "reg", NULL)) return info.id; - if (info.port) + + node = of_get_parent(ep); + of_node_put(node); + if (of_get_property(node, "reg", NULL)) return info.port; } - node = of_graph_get_port_parent(ep); /* @@ -386,16 +394,13 @@ int asoc_simple_card_init_dai(struct snd_soc_dai *dai, } EXPORT_SYMBOL_GPL(asoc_simple_card_init_dai); -int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link) +void asoc_simple_card_canonicalize_platform(struct snd_soc_dai_link *dai_link) { /* Assumes platform == cpu */ - if (!dai_link->platform->of_node) - dai_link->platform->of_node = dai_link->cpu_of_node; - - return 0; - + if (!dai_link->platforms->of_node) + dai_link->platforms->of_node = dai_link->cpu_of_node; } -EXPORT_SYMBOL_GPL(asoc_simple_card_canonicalize_dailink); +EXPORT_SYMBOL_GPL(asoc_simple_card_canonicalize_platform); void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link, int is_single_links) diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 37e001cf9cd1..7147bba45a2a 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -15,13 +15,13 @@ #include <sound/soc-dai.h> #include <sound/soc.h> -struct simple_card_data { +struct simple_priv { struct snd_soc_card snd_card; struct simple_dai_props { 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 snd_soc_dai_link_component platforms; struct asoc_simple_card_data adata; struct snd_soc_codec_conf *codec_conf; unsigned int mclk_fs; @@ -33,6 +33,13 @@ struct simple_card_data { struct snd_soc_codec_conf *codec_conf; }; +struct link_info { + int dais; /* number of dai */ + int link; /* number of link */ + int conf; /* number of codec_conf */ + int cpu; /* turn for CPU / Codec */ +}; + #define simple_priv_to_card(priv) (&(priv)->snd_card) #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i)) #define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev) @@ -42,10 +49,10 @@ struct simple_card_data { #define CELL "#sound-dai-cells" #define PREFIX "simple-audio-card," -static int asoc_simple_card_startup(struct snd_pcm_substream *substream) +static int simple_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct simple_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); int ret; @@ -61,10 +68,10 @@ static int asoc_simple_card_startup(struct snd_pcm_substream *substream) return ret; } -static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) +static void simple_shutdown(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct simple_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); @@ -73,8 +80,8 @@ static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) 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) +static int simple_set_clk_rate(struct asoc_simple_dai *simple_dai, + unsigned long rate) { if (!simple_dai) return 0; @@ -88,13 +95,13 @@ static int asoc_simple_set_clk_rate(struct asoc_simple_dai *simple_dai, return clk_set_rate(simple_dai->clk, rate); } -static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) +static int simple_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct simple_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); unsigned int mclk, mclk_fs = 0; @@ -106,11 +113,11 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, if (mclk_fs) { mclk = params_rate(params) * mclk_fs; - ret = asoc_simple_set_clk_rate(dai_props->codec_dai, mclk); + ret = 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 = simple_set_clk_rate(dai_props->cpu_dai, mclk); if (ret < 0) return ret; @@ -129,15 +136,15 @@ err: return ret; } -static const struct snd_soc_ops asoc_simple_card_ops = { - .startup = asoc_simple_card_startup, - .shutdown = asoc_simple_card_shutdown, - .hw_params = asoc_simple_card_hw_params, +static const struct snd_soc_ops simple_ops = { + .startup = simple_startup, + .shutdown = simple_shutdown, + .hw_params = simple_hw_params, }; -static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) +static int simple_dai_init(struct snd_soc_pcm_runtime *rtd) { - struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); + struct simple_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); int ret; @@ -154,10 +161,10 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) return 0; } -static int asoc_simple_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, - struct snd_pcm_hw_params *params) +static int simple_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_priv *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); @@ -165,30 +172,58 @@ static int asoc_simple_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 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) +static void simple_get_conversion(struct device *dev, + struct device_node *np, + struct asoc_simple_card_data *adata) +{ + struct device_node *top = dev->of_node; + struct device_node *node = of_get_parent(np); + + asoc_simple_card_parse_convert(dev, top, PREFIX, adata); + asoc_simple_card_parse_convert(dev, node, PREFIX, adata); + asoc_simple_card_parse_convert(dev, node, NULL, adata); + asoc_simple_card_parse_convert(dev, np, NULL, adata); + + of_node_put(node); +} + +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, link_idx); - struct simple_dai_props *dai_props = simple_priv_to_props(priv, link_idx); + 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_level_node) + if (is_top) prefix = PREFIX; - if (is_fe) { + if (li->cpu) { int is_single_links = 0; /* BE is dummy */ @@ -201,7 +236,7 @@ static int asoc_simple_card_dai_link_of_dpcm(struct device_node *top, dai_link->dpcm_merged_format = 1; dai = - dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + dai_props->cpu_dai = &priv->dais[li->dais++]; ret = asoc_simple_card_parse_cpu(np, dai_link, DAI, CELL, &is_single_links); @@ -229,13 +264,13 @@ static int asoc_simple_card_dai_link_of_dpcm(struct device_node *top, /* BE settings */ dai_link->no_pcm = 1; - dai_link->be_hw_params_fixup = asoc_simple_card_be_hw_params_fixup; + dai_link->be_hw_params_fixup = simple_be_hw_params_fixup; dai = - dai_props->codec_dai = &priv->dais[(*dai_idx)++]; + dai_props->codec_dai = &priv->dais[li->dais++]; cconf = - dai_props->codec_conf = &priv->codec_conf[(*conf_idx)++]; + dai_props->codec_conf = &priv->codec_conf[li->conf++]; ret = asoc_simple_card_parse_codec(np, dai_link, DAI, CELL); if (ret < 0) @@ -260,18 +295,14 @@ static int asoc_simple_card_dai_link_of_dpcm(struct device_node *top, "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); + 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; - 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); @@ -284,59 +315,57 @@ static int asoc_simple_card_dai_link_of_dpcm(struct device_node *top, 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; + dai_link->ops = &simple_ops; + dai_link->init = simple_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 *dai_idx, int link_idx, - bool is_top_level_node) +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, link_idx); - struct simple_dai_props *dai_props = simple_priv_to_props(priv, link_idx); + 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; - 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; + /* + * |CPU |Codec : turn + * CPU |Pass |return + * Codec |return|return + * np + */ + if (!li->cpu || np == codec) + return 0; - snprintf(prop, sizeof(prop), "%scpu", prefix); - cpu = of_get_child_by_name(node, prop); + cpu = np; + node = of_get_parent(np); + li->link++; - if (!cpu) { - ret = -EINVAL; - dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); - goto dai_link_of_err; - } + 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); - 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; - } - cpu_dai = - dai_props->cpu_dai = &priv->dais[(*dai_idx)++]; + dai_props->cpu_dai = &priv->dais[li->dais++]; codec_dai = - dai_props->codec_dai = &priv->dais[(*dai_idx)++]; + dai_props->codec_dai = &priv->dais[li->dais++]; ret = asoc_simple_card_parse_daifmt(dev, node, codec, prefix, &dai_link->dai_fmt); @@ -378,10 +407,6 @@ static int asoc_simple_card_dai_link_of(struct device_node *top, 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, @@ -389,20 +414,95 @@ static int asoc_simple_card_dai_link_of(struct device_node *top, if (ret < 0) goto dai_link_of_err; - dai_link->ops = &asoc_simple_card_ops; - dai_link->init = asoc_simple_card_dai_init; + 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(cpu); - of_node_put(codec); + of_node_put(plat); + of_node_put(node); + + return ret; +} + +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; + 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 (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 asoc_simple_card_parse_aux_devs(struct device_node *node, - struct simple_card_data *priv) +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; @@ -432,17 +532,13 @@ static int asoc_simple_card_parse_aux_devs(struct device_node *node, return 0; } -static int asoc_simple_card_parse_of(struct simple_card_data *priv) +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 device_node *node; - struct device_node *np; - struct device_node *codec; - bool is_fe; - int ret, loop; - int dai_idx, link_idx, conf_idx; + struct link_info li; + int ret; if (!top) return -EINVAL; @@ -456,62 +552,66 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv) return ret; /* Single/Muti DAI link(s) & New style of DT node */ - 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); - } - } else { - ret = asoc_simple_card_dai_link_of( - top, node, priv, - &dai_idx, link_idx++, !loop); - } + 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; - - node = of_get_next_child(top, node); - } while (loop && node); + } ret = asoc_simple_card_parse_card_name(card, PREFIX); if (ret < 0) return ret; - ret = asoc_simple_card_parse_aux_devs(top, priv); + ret = simple_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) +static int simple_count_noml(struct simple_priv *priv, + struct device_node *np, + struct device_node *codec, + struct link_info *li, bool is_top) +{ + li->dais++; /* CPU or Codec */ + if (np != codec) + li->link++; /* CPU-Codec */ + + return 0; +} + +static int simple_count_dpcm(struct simple_priv *priv, + struct device_node *np, + struct device_node *codec, + struct link_info *li, bool is_top) +{ + li->dais++; /* CPU or Codec */ + li->link++; /* CPU-dummy or dummy-Codec */ + if (np == codec) + li->conf++; + + return 0; +} + +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; - struct device_node *node; - int loop; - int num; /* * link_num : number of links. @@ -549,37 +649,34 @@ static void asoc_simple_card_get_dais_count(struct device *dev, * => 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) { - (*link_num) = 1; - (*dais_num) = 2; - (*ccnf_num) = 0; + li->link = 1; + li->dais = 2; + li->conf = 0; return; } - loop = 1; - node = of_get_child_by_name(top, PREFIX "dai-link"); - if (!node) { - node = top; - loop = 0; - } + simple_for_each_link(priv, li, + simple_count_noml, + simple_count_dpcm); - 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); + dev_dbg(dev, "link %d, dais %d, ccnf %d\n", + li->link, li->dais, li->conf); } -static int asoc_simple_soc_card_probe(struct snd_soc_card *card) +static int simple_soc_probe(struct snd_soc_card *card) { - struct simple_card_data *priv = snd_soc_card_get_drvdata(card); + struct simple_priv *priv = snd_soc_card_get_drvdata(card); int ret; ret = asoc_simple_card_init_hp(card, &priv->hp_jack, PREFIX); @@ -593,9 +690,9 @@ static int asoc_simple_soc_card_probe(struct snd_soc_card *card) return 0; } -static int asoc_simple_card_probe(struct platform_device *pdev) +static int simple_probe(struct platform_device *pdev) { - struct simple_card_data *priv; + struct simple_priv *priv; struct snd_soc_dai_link *dai_link; struct simple_dai_props *dai_props; struct asoc_simple_dai *dais; @@ -603,7 +700,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) struct device_node *np = dev->of_node; struct snd_soc_card *card; struct snd_soc_codec_conf *cconf; - int lnum = 0, dnum = 0, cnum = 0; + struct link_info li; int ret, i; /* Allocate the private data and the DAI link array */ @@ -611,14 +708,20 @@ static int asoc_simple_card_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - asoc_simple_card_get_dais_count(dev, &lnum, &dnum, &cnum); - if (!lnum || !dnum) + card = simple_priv_to_card(priv); + card->owner = THIS_MODULE; + card->dev = dev; + card->probe = simple_soc_probe; + + memset(&li, 0, sizeof(li)); + simple_get_dais_count(priv, &li); + if (!li.link || !li.dais) 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); + dai_props = devm_kcalloc(dev, li.link, sizeof(*dai_props), GFP_KERNEL); + dai_link = devm_kcalloc(dev, li.link, sizeof(*dai_link), GFP_KERNEL); + dais = devm_kcalloc(dev, li.dais, sizeof(*dais), GFP_KERNEL); + cconf = devm_kcalloc(dev, li.conf, sizeof(*cconf), GFP_KERNEL); if (!dai_props || !dai_link || !dais) return -ENOMEM; @@ -628,30 +731,26 @@ static int asoc_simple_card_probe(struct platform_device *pdev) * see * soc-core.c :: snd_soc_init_multicodec() */ - for (i = 0; i < lnum; i++) { + for (i = 0; i < li.link; i++) { dai_link[i].codecs = &dai_props[i].codecs; dai_link[i].num_codecs = 1; - dai_link[i].platform = &dai_props[i].platform; + dai_link[i].platforms = &dai_props[i].platforms; + dai_link[i].num_platforms = 1; } - priv->dai_props = dai_props; - priv->dai_link = dai_link; - priv->dais = dais; - priv->codec_conf = cconf; + 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 = lnum; + card->num_links = li.link; card->codec_conf = cconf; - card->num_configs = cnum; - card->probe = asoc_simple_soc_card_probe; + card->num_configs = li.conf; if (np && of_device_is_available(np)) { - ret = asoc_simple_card_parse_of(priv); + ret = simple_parse_of(priv); if (ret < 0) { if (ret != -EPROBE_DEFER) dev_err(dev, "parse error %d\n", ret); @@ -686,7 +785,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) codecs->name = cinfo->codec; codecs->dai_name = cinfo->codec_dai.name; - platform = dai_link->platform; + platform = dai_link->platforms; platform->name = cinfo->platform; card->name = (cinfo->card) ? cinfo->card : cinfo->name; @@ -694,7 +793,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) dai_link->stream_name = cinfo->name; dai_link->cpu_dai_name = cinfo->cpu_dai.name; dai_link->dai_fmt = cinfo->daifmt; - dai_link->init = asoc_simple_card_dai_init; + dai_link->init = simple_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, @@ -714,28 +813,28 @@ err: return ret; } -static int asoc_simple_card_remove(struct platform_device *pdev) +static int simple_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); return asoc_simple_card_clean_reference(card); } -static const struct of_device_id asoc_simple_of_match[] = { +static const struct of_device_id simple_of_match[] = { { .compatible = "simple-audio-card", }, { .compatible = "simple-scu-audio-card", }, {}, }; -MODULE_DEVICE_TABLE(of, asoc_simple_of_match); +MODULE_DEVICE_TABLE(of, simple_of_match); static struct platform_driver asoc_simple_card = { .driver = { .name = "asoc-simple-card", .pm = &snd_soc_pm_ops, - .of_match_table = asoc_simple_of_match, + .of_match_table = simple_of_match, }, - .probe = asoc_simple_card_probe, - .remove = asoc_simple_card_remove, + .probe = simple_probe, + .remove = simple_remove, }; module_platform_driver(asoc_simple_card); diff --git a/sound/soc/generic/simple-scu-card.c b/sound/soc/generic/simple-scu-card.c deleted file mode 100644 index 9d7299d536a8..000000000000 --- a/sound/soc/generic/simple-scu-card.c +++ /dev/null @@ -1,474 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// ASoC simple SCU sound card support -// -// Copyright (C) 2015 Renesas Solutions Corp. -// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> -// -// based on ${LINUX}/sound/soc/generic/simple-card.c - -#include <linux/clk.h> -#include <linux/device.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/platform_device.h> -#include <linux/string.h> -#include <sound/jack.h> -#include <sound/soc.h> -#include <sound/soc-dai.h> -#include <sound/simple_card_utils.h> - -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 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) -#define simple_priv_to_props(priv, i) ((priv)->dai_props + (i)) -#define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev) -#define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i)) - -#define DAI "sound-dai" -#define CELL "#sound-dai-cells" -#define PREFIX "simple-audio-card," - -static int asoc_simple_card_startup(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - 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 ret; -} - -static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - 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_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 = { - .startup = asoc_simple_card_startup, - .shutdown = asoc_simple_card_shutdown, -}; - -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 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; - - 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_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 *link, - 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 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; - - /* BE is dummy */ - codecs = dai_link->codecs; - 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", - dai_link->codecs->dai_name); - if (ret < 0) - return ret; - - /* 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"); - } - - asoc_simple_card_parse_convert(dev, link, prefix, &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; - - 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; - dai_link->init = asoc_simple_card_dai_init; - - return 0; -} - -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); - bool is_fe; - int ret, loop; - int dai_idx, link_idx, conf_idx; - - 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; - - asoc_simple_card_parse_convert(dev, top, PREFIX, &priv->adata); - - 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_card_name(card, PREFIX); - if (ret < 0) - return ret; - - return 0; -} - -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_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; - 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; - - 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; - - /* - * Use snd_soc_dai_link_component instead of legacy style - * It is codec only. but cpu/platform will be supported in the future. - * see - * soc-core.c :: snd_soc_init_multicodec() - */ - 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; - } - - 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 = lnum; - card->codec_conf = cconf; - card->num_configs = cnum; - - ret = asoc_simple_card_parse_of(priv); - if (ret < 0) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "parse error %d\n", ret); - goto err; - } - - snd_soc_card_set_drvdata(card, priv); - - ret = devm_snd_soc_register_card(dev, card); - if (ret < 0) - goto err; - - return 0; -err: - asoc_simple_card_clean_reference(card); - - return ret; -} - -static int asoc_simple_card_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - return asoc_simple_card_clean_reference(card); -} - -static const struct of_device_id asoc_simple_of_match[] = { - { .compatible = "renesas,rsrc-card", }, - { .compatible = "simple-scu-audio-card", }, - {}, -}; -MODULE_DEVICE_TABLE(of, asoc_simple_of_match); - -static struct platform_driver asoc_simple_card = { - .driver = { - .name = "simple-scu-audio-card", - .pm = &snd_soc_pm_ops, - .of_match_table = asoc_simple_of_match, - }, - .probe = asoc_simple_card_probe, - .remove = asoc_simple_card_remove, -}; - -module_platform_driver(asoc_simple_card); - -MODULE_ALIAS("platform:asoc-simple-scu-card"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("ASoC Simple SCU Sound Card"); -MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); |