| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kuninori Morimoto | 2627 | 76.41% | 71 | 57.26% |
| Herve Codina | 128 | 3.72% | 1 | 0.81% |
| Jean-François Moine | 124 | 3.61% | 9 | 7.26% |
| Mark Brown | 108 | 3.14% | 1 | 0.81% |
| Xiubo Li | 62 | 1.80% | 7 | 5.65% |
| Takashi Iwai | 56 | 1.63% | 2 | 1.61% |
| Thierry Reding | 52 | 1.51% | 3 | 2.42% |
| Jyri Sarha | 44 | 1.28% | 1 | 0.81% |
| Katsuhiro Suzuki | 33 | 0.96% | 1 | 0.81% |
| Dylan Reid | 30 | 0.87% | 1 | 0.81% |
| Daniel Baluta | 30 | 0.87% | 2 | 1.61% |
| Nikita Yushchenko | 30 | 0.87% | 1 | 0.81% |
| Wen Yang | 19 | 0.55% | 2 | 1.61% |
| Julian Scheel | 12 | 0.35% | 1 | 0.81% |
| Lars-Peter Clausen | 10 | 0.29% | 2 | 1.61% |
| Fabio Estevam | 7 | 0.20% | 1 | 0.81% |
| Robert Hancock | 7 | 0.20% | 1 | 0.81% |
| Vishal Thanki | 6 | 0.17% | 1 | 0.81% |
| Peter Ujfalusi | 6 | 0.17% | 1 | 0.81% |
| Guido Günther | 6 | 0.17% | 1 | 0.81% |
| Andrew Lunn | 6 | 0.17% | 1 | 0.81% |
| Paul Cercueil | 5 | 0.15% | 1 | 0.81% |
| Jianqun Xu | 4 | 0.12% | 1 | 0.81% |
| Jun Nie | 4 | 0.12% | 1 | 0.81% |
| Astrid Rost | 4 | 0.12% | 1 | 0.81% |
| Stephan Gerhold | 4 | 0.12% | 1 | 0.81% |
| Pierre-Louis Bossart | 3 | 0.09% | 1 | 0.81% |
| Aidan MacDonald | 3 | 0.09% | 1 | 0.81% |
| Nathan Chancellor | 2 | 0.06% | 1 | 0.81% |
| Jon Hunter | 2 | 0.06% | 1 | 0.81% |
| Julia Lawall | 1 | 0.03% | 1 | 0.81% |
| Stefan Agner | 1 | 0.03% | 1 | 0.81% |
| Rob Herring | 1 | 0.03% | 1 | 0.81% |
| Uwe Kleine-König | 1 | 0.03% | 1 | 0.81% |
| Total | 3438 | 124 |
// SPDX-License-Identifier: GPL-2.0 // // ASoC simple sound card support // // Copyright (C) 2012 Renesas Solutions Corp. // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> #include <linux/clk.h> #include <linux/device.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/string.h> #include <sound/simple_card.h> #include <sound/soc-dai.h> #include <sound/soc.h> #define DPCM_SELECTABLE 1 #define DAI "sound-dai" #define CELL "#sound-dai-cells" #define PREFIX "simple-audio-card," static const struct snd_soc_ops simple_ops = { .startup = simple_util_startup, .shutdown = simple_util_shutdown, .hw_params = simple_util_hw_params, }; static int simple_parse_platform(struct device_node *node, struct snd_soc_dai_link_component *dlc) { struct of_phandle_args args; int ret; if (!node) return 0; /* * Get node via "sound-dai = <&phandle port>" * it will be used as xxx_of_node on soc_bind_dai_link() */ ret = of_parse_phandle_with_args(node, DAI, CELL, 0, &args); if (ret) return ret; /* dai_name is not required and may not exist for plat component */ dlc->of_node = args.np; return 0; } static int simple_parse_dai(struct device *dev, struct device_node *node, struct snd_soc_dai_link_component *dlc, int *is_single_link) { struct of_phandle_args args; struct snd_soc_dai *dai; int ret; if (!node) return 0; /* * Get node via "sound-dai = <&phandle port>" * it will be used as xxx_of_node on soc_bind_dai_link() */ ret = of_parse_phandle_with_args(node, DAI, CELL, 0, &args); if (ret) return ret; /* * Try to find from DAI args */ dai = snd_soc_get_dai_via_args(&args); if (dai) { dlc->dai_name = snd_soc_dai_name_get(dai); dlc->dai_args = snd_soc_copy_dai_args(dev, &args); if (!dlc->dai_args) return -ENOMEM; goto parse_dai_end; } /* * FIXME * * Here, dlc->dai_name is pointer to CPU/Codec DAI name. * If user unbinded CPU or Codec driver, but not for Sound Card, * dlc->dai_name is keeping unbinded CPU or Codec * driver's pointer. * * If user re-bind CPU or Codec driver again, ALSA SoC will try * to rebind Card via snd_soc_try_rebind_card(), but because of * above reason, it might can't bind Sound Card. * Because Sound Card is pointing to released dai_name pointer. * * To avoid this rebind Card issue, * 1) It needs to alloc memory to keep dai_name eventhough * CPU or Codec driver was unbinded, or * 2) user need to rebind Sound Card everytime * if he unbinded CPU or Codec. */ ret = snd_soc_get_dlc(&args, dlc); if (ret < 0) return ret; parse_dai_end: if (is_single_link) *is_single_link = !args.args_count; return 0; } static void simple_parse_convert(struct device *dev, struct device_node *np, struct simple_util_data *adata) { struct device_node *top = dev->of_node; struct device_node *node = of_get_parent(np); simple_util_parse_convert(top, PREFIX, adata); simple_util_parse_convert(node, PREFIX, adata); simple_util_parse_convert(node, NULL, adata); simple_util_parse_convert(np, NULL, adata); of_node_put(node); } static void simple_parse_mclk_fs(struct device_node *top, struct device_node *np, struct simple_dai_props *props, char *prefix) { struct device_node *node = of_get_parent(np); char prop[128]; snprintf(prop, sizeof(prop), "%smclk-fs", PREFIX); of_property_read_u32(top, prop, &props->mclk_fs); snprintf(prop, sizeof(prop), "%smclk-fs", prefix); of_property_read_u32(node, prop, &props->mclk_fs); of_property_read_u32(np, prop, &props->mclk_fs); of_node_put(node); } static int simple_parse_node(struct simple_util_priv *priv, struct device_node *np, struct link_info *li, char *prefix, int *cpu) { struct device *dev = simple_priv_to_dev(priv); struct device_node *top = dev->of_node; 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 snd_soc_dai_link_component *dlc; struct simple_util_dai *dai; int ret; if (cpu) { dlc = snd_soc_link_to_cpu(dai_link, 0); dai = simple_props_to_dai_cpu(dai_props, 0); } else { dlc = snd_soc_link_to_codec(dai_link, 0); dai = simple_props_to_dai_codec(dai_props, 0); } simple_parse_mclk_fs(top, np, dai_props, prefix); ret = simple_parse_dai(dev, np, dlc, cpu); if (ret) return ret; ret = simple_util_parse_clk(dev, np, dai, dlc); if (ret) return ret; ret = simple_util_parse_tdm(np, dai); if (ret) return ret; return 0; } static int simple_link_init(struct simple_util_priv *priv, struct device_node *node, struct device_node *codec, struct link_info *li, char *prefix, char *name) { struct device *dev = simple_priv_to_dev(priv); struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link); int ret; ret = simple_util_parse_daifmt(dev, node, codec, prefix, &dai_link->dai_fmt); if (ret < 0) return 0; dai_link->init = simple_util_dai_init; dai_link->ops = &simple_ops; return simple_util_set_dailink_name(dev, dai_link, name); } static int simple_dai_link_of_dpcm(struct simple_util_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 device_node *top = dev->of_node; struct device_node *node = of_get_parent(np); char *prefix = ""; char dai_name[64]; int ret; dev_dbg(dev, "link_of DPCM (%pOF)\n", np); /* For single DAI link & old style of DT node */ if (is_top) prefix = PREFIX; if (li->cpu) { struct snd_soc_dai_link_component *cpus = snd_soc_link_to_cpu(dai_link, 0); struct snd_soc_dai_link_component *platforms = snd_soc_link_to_platform(dai_link, 0); int is_single_links = 0; /* Codec is dummy */ /* FE settings */ dai_link->dynamic = 1; dai_link->dpcm_merged_format = 1; ret = simple_parse_node(priv, np, li, prefix, &is_single_links); if (ret < 0) goto out_put_node; snprintf(dai_name, sizeof(dai_name), "fe.%s", cpus->dai_name); simple_util_canonicalize_cpu(cpus, is_single_links); simple_util_canonicalize_platform(platforms, cpus); } else { struct snd_soc_dai_link_component *codecs = snd_soc_link_to_codec(dai_link, 0); struct snd_soc_codec_conf *cconf; /* CPU is dummy */ /* BE settings */ dai_link->no_pcm = 1; dai_link->be_hw_params_fixup = simple_util_be_hw_params_fixup; cconf = simple_props_to_codec_conf(dai_props, 0); ret = simple_parse_node(priv, np, li, prefix, NULL); if (ret < 0) goto out_put_node; snprintf(dai_name, sizeof(dai_name), "be.%s", codecs->dai_name); /* 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_parse_convert(dev, np, &dai_props->adata); snd_soc_dai_link_set_capabilities(dai_link); ret = simple_link_init(priv, node, codec, li, prefix, dai_name); out_put_node: li->link++; of_node_put(node); return ret; } static int simple_dai_link_of(struct simple_util_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 snd_soc_dai_link_component *cpus = snd_soc_link_to_cpu(dai_link, 0); struct snd_soc_dai_link_component *codecs = snd_soc_link_to_codec(dai_link, 0); struct snd_soc_dai_link_component *platforms = snd_soc_link_to_platform(dai_link, 0); struct device_node *cpu = NULL; struct device_node *node = NULL; struct device_node *plat = NULL; char dai_name[64]; char prop[128]; char *prefix = ""; int ret, single_cpu = 0; cpu = np; node = of_get_parent(np); 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); ret = simple_parse_node(priv, cpu, li, prefix, &single_cpu); if (ret < 0) goto dai_link_of_err; ret = simple_parse_node(priv, codec, li, prefix, NULL); if (ret < 0) goto dai_link_of_err; ret = simple_parse_platform(plat, platforms); if (ret < 0) goto dai_link_of_err; snprintf(dai_name, sizeof(dai_name), "%s-%s", cpus->dai_name, codecs->dai_name); simple_util_canonicalize_cpu(cpus, single_cpu); simple_util_canonicalize_platform(platforms, cpus); ret = simple_link_init(priv, node, codec, li, prefix, dai_name); dai_link_of_err: of_node_put(plat); of_node_put(node); li->link++; return ret; } static int __simple_for_each_link(struct simple_util_priv *priv, struct link_info *li, int (*func_noml)(struct simple_util_priv *priv, struct device_node *np, struct device_node *codec, struct link_info *li, bool is_top), int (*func_dpcm)(struct simple_util_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; struct device_node *add_devs; 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; } add_devs = of_get_child_by_name(top, PREFIX "additional-devs"); /* loop for all dai-link */ do { struct simple_util_data adata; struct device_node *codec; struct device_node *plat; struct device_node *np; int num = of_get_child_count(node); /* Skip additional-devs node */ if (node == add_devs) { node = of_get_next_child(top, node); continue; } /* get codec */ codec = of_get_child_by_name(node, is_top ? PREFIX "codec" : "codec"); if (!codec) { ret = -ENODEV; goto error; } /* get platform */ plat = of_get_child_by_name(node, is_top ? PREFIX "plat" : "plat"); /* get convert-xxx property */ memset(&adata, 0, sizeof(adata)); for_each_child_of_node(node, np) { if (np == add_devs) continue; simple_parse_convert(dev, np, &adata); } /* loop for all CPU/Codec node */ for_each_child_of_node(node, np) { if (plat == np || add_devs == np) continue; /* * It is DPCM * if it has many CPUs, * or has convert-xxx property */ if (dpcm_selectable && (num > 2 || simple_util_is_convert_required(&adata))) { /* * np * |1(CPU)|0(Codec) li->cpu * CPU |Pass |return * Codec |return|Pass */ if (li->cpu != (np == codec)) ret = func_dpcm(priv, np, codec, li, is_top); /* else normal sound */ } else { /* * np * |1(CPU)|0(Codec) li->cpu * CPU |Pass |return * Codec |return|return */ if (li->cpu && (np != codec)) ret = func_noml(priv, np, codec, li, is_top); } if (ret < 0) { of_node_put(codec); of_node_put(plat); of_node_put(np); goto error; } } of_node_put(codec); of_node_put(plat); node = of_get_next_child(top, node); } while (!is_top && node); error: of_node_put(add_devs); of_node_put(node); return ret; } static int simple_for_each_link(struct simple_util_priv *priv, struct link_info *li, int (*func_noml)(struct simple_util_priv *priv, struct device_node *np, struct device_node *codec, struct link_info *li, bool is_top), int (*func_dpcm)(struct simple_util_priv *priv, struct device_node *np, struct device_node *codec, struct link_info *li, bool is_top)) { int ret; /* * 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; */ for (li->cpu = 1; li->cpu >= 0; li->cpu--) { ret = __simple_for_each_link(priv, li, func_noml, func_dpcm); if (ret < 0) break; } return ret; } static void simple_depopulate_aux(void *data) { struct simple_util_priv *priv = data; of_platform_depopulate(simple_priv_to_dev(priv)); } static int simple_populate_aux(struct simple_util_priv *priv) { struct device *dev = simple_priv_to_dev(priv); struct device_node *node; int ret; node = of_get_child_by_name(dev->of_node, PREFIX "additional-devs"); if (!node) return 0; ret = of_platform_populate(node, NULL, NULL, dev); of_node_put(node); if (ret) return ret; return devm_add_action_or_reset(dev, simple_depopulate_aux, priv); } static int simple_parse_of(struct simple_util_priv *priv, struct link_info *li) { struct snd_soc_card *card = simple_priv_to_card(priv); int ret; ret = simple_util_parse_widgets(card, PREFIX); if (ret < 0) return ret; ret = simple_util_parse_routing(card, PREFIX); if (ret < 0) return ret; ret = simple_util_parse_pin_switches(card, PREFIX); if (ret < 0) return ret; /* Single/Muti DAI link(s) & New style of DT node */ memset(li, 0, sizeof(*li)); ret = simple_for_each_link(priv, li, simple_dai_link_of, simple_dai_link_of_dpcm); if (ret < 0) return ret; ret = simple_util_parse_card_name(card, PREFIX); if (ret < 0) return ret; ret = simple_populate_aux(priv); if (ret < 0) return ret; ret = snd_soc_of_parse_aux_devs(card, PREFIX "aux-devs"); return ret; } static int simple_count_noml(struct simple_util_priv *priv, struct device_node *np, struct device_node *codec, struct link_info *li, bool is_top) { if (li->link >= SNDRV_MAX_LINKS) { struct device *dev = simple_priv_to_dev(priv); dev_err(dev, "too many links\n"); return -EINVAL; } /* * DON'T REMOVE platforms * * Some CPU might be using soc-generic-dmaengine-pcm. This means CPU and Platform * are different Component, but are sharing same component->dev. * Simple Card had been supported it without special Platform selection. * We need platforms here. * * In case of no Platform, it will be Platform == CPU, but Platform will be * ignored by snd_soc_rtd_add_component(). * * see * simple-card-utils.c :: simple_util_canonicalize_platform() */ li->num[li->link].cpus = 1; li->num[li->link].platforms = 1; li->num[li->link].codecs = 1; li->link += 1; return 0; } static int simple_count_dpcm(struct simple_util_priv *priv, struct device_node *np, struct device_node *codec, struct link_info *li, bool is_top) { if (li->link >= SNDRV_MAX_LINKS) { struct device *dev = simple_priv_to_dev(priv); dev_err(dev, "too many links\n"); return -EINVAL; } if (li->cpu) { /* * DON'T REMOVE platforms * see * simple_count_noml() */ li->num[li->link].cpus = 1; li->num[li->link].platforms = 1; li->link++; /* CPU-dummy */ } else { li->num[li->link].codecs = 1; li->link++; /* dummy-Codec */ } return 0; } static int simple_get_dais_count(struct simple_util_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->num[0].cpus = 1; li->num[0].codecs = 1; li->num[0].platforms = 1; li->link = 1; return 0; } return simple_for_each_link(priv, li, simple_count_noml, simple_count_dpcm); } static int simple_soc_probe(struct snd_soc_card *card) { struct simple_util_priv *priv = snd_soc_card_get_drvdata(card); int ret; ret = simple_util_init_hp(card, &priv->hp_jack, PREFIX); if (ret < 0) return ret; ret = simple_util_init_mic(card, &priv->mic_jack, PREFIX); if (ret < 0) return ret; ret = simple_util_init_aux_jacks(priv, PREFIX); if (ret < 0) return ret; return 0; } static int simple_probe(struct platform_device *pdev) { struct simple_util_priv *priv; struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct snd_soc_card *card; struct link_info *li; int ret; /* Allocate the private data and the DAI link array */ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; card = simple_priv_to_card(priv); card->owner = THIS_MODULE; card->dev = dev; card->probe = simple_soc_probe; card->driver_name = "simple-card"; li = devm_kzalloc(dev, sizeof(*li), GFP_KERNEL); if (!li) return -ENOMEM; ret = simple_get_dais_count(priv, li); if (ret < 0) return ret; if (!li->link) return -EINVAL; ret = simple_util_init_priv(priv, li); if (ret < 0) return ret; if (np && of_device_is_available(np)) { ret = simple_parse_of(priv, li); if (ret < 0) { dev_err_probe(dev, ret, "parse error\n"); goto err; } } else { struct simple_util_info *cinfo; struct snd_soc_dai_link_component *cpus; struct snd_soc_dai_link_component *codecs; struct snd_soc_dai_link_component *platform; struct snd_soc_dai_link *dai_link = priv->dai_link; struct simple_dai_props *dai_props = priv->dai_props; ret = -EINVAL; cinfo = dev->platform_data; if (!cinfo) { dev_err(dev, "no info for asoc-simple-card\n"); goto err; } if (!cinfo->name || !cinfo->codec_dai.name || !cinfo->codec || !cinfo->platform || !cinfo->cpu_dai.name) { dev_err(dev, "insufficient simple_util_info settings\n"); goto err; } cpus = dai_link->cpus; cpus->dai_name = cinfo->cpu_dai.name; codecs = dai_link->codecs; codecs->name = cinfo->codec; codecs->dai_name = cinfo->codec_dai.name; platform = dai_link->platforms; platform->name = cinfo->platform; card->name = (cinfo->card) ? cinfo->card : cinfo->name; dai_link->name = cinfo->name; dai_link->stream_name = cinfo->name; dai_link->dai_fmt = cinfo->daifmt; dai_link->init = simple_util_dai_init; memcpy(dai_props->cpu_dai, &cinfo->cpu_dai, sizeof(*dai_props->cpu_dai)); memcpy(dai_props->codec_dai, &cinfo->codec_dai, sizeof(*dai_props->codec_dai)); } snd_soc_card_set_drvdata(card, priv); simple_util_debug_info(priv); ret = devm_snd_soc_register_card(dev, card); if (ret < 0) goto err; devm_kfree(dev, li); return 0; err: simple_util_clean_reference(card); return ret; } static const struct of_device_id simple_of_match[] = { { .compatible = "simple-audio-card", }, { .compatible = "simple-scu-audio-card", .data = (void *)DPCM_SELECTABLE }, {}, }; MODULE_DEVICE_TABLE(of, simple_of_match); static struct platform_driver simple_card = { .driver = { .name = "asoc-simple-card", .pm = &snd_soc_pm_ops, .of_match_table = simple_of_match, }, .probe = simple_probe, .remove_new = simple_util_remove, }; module_platform_driver(simple_card); MODULE_ALIAS("platform:asoc-simple-card"); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("ASoC Simple Sound Card"); MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
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