| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kuninori Morimoto | 3483 | 66.62% | 88 | 64.71% |
| Richard Fitzgerald | 397 | 7.59% | 2 | 1.47% |
| Robert Hancock | 283 | 5.41% | 3 | 2.21% |
| Astrid Rost | 215 | 4.11% | 1 | 0.74% |
| Samuel Holland | 178 | 3.40% | 2 | 1.47% |
| Sameer Pujar | 178 | 3.40% | 5 | 3.68% |
| Katsuhiro Suzuki | 79 | 1.51% | 3 | 2.21% |
| Daniel Baluta | 53 | 1.01% | 1 | 0.74% |
| Andrew Lunn | 49 | 0.94% | 1 | 0.74% |
| Jean-François Moine | 47 | 0.90% | 6 | 4.41% |
| Nikita Yushchenko | 41 | 0.78% | 1 | 0.74% |
| Daniel Mack | 39 | 0.75% | 1 | 0.74% |
| Dmitry Torokhov | 37 | 0.71% | 1 | 0.74% |
| Aidan MacDonald | 22 | 0.42% | 1 | 0.74% |
| Xiubo Li | 18 | 0.34% | 2 | 1.47% |
| Paul Cercueil | 17 | 0.33% | 1 | 0.74% |
| Vitaly Wool | 15 | 0.29% | 1 | 0.74% |
| Shengjiu Wang | 12 | 0.23% | 1 | 0.74% |
| Lucas Stach | 11 | 0.21% | 2 | 1.47% |
| Mengdong Lin | 10 | 0.19% | 1 | 0.74% |
| Arnaud Pouliquen | 10 | 0.19% | 2 | 1.47% |
| Dylan Reid | 8 | 0.15% | 1 | 0.74% |
| Kees Cook | 7 | 0.13% | 1 | 0.74% |
| Charles Keepax | 6 | 0.11% | 1 | 0.74% |
| Lars-Peter Clausen | 5 | 0.10% | 1 | 0.74% |
| Uwe Kleine-König | 3 | 0.06% | 2 | 1.47% |
| Stephan Gerhold | 2 | 0.04% | 1 | 0.74% |
| Akihiko Odaki | 1 | 0.02% | 1 | 0.74% |
| Rob Herring | 1 | 0.02% | 1 | 0.74% |
| Olivier Moysan | 1 | 0.02% | 1 | 0.74% |
| Total | 5228 | 136 |
// SPDX-License-Identifier: GPL-2.0 // // simple-card-utils.c // // Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> #include <linux/clk.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_graph.h> #include <sound/jack.h> #include <sound/pcm_params.h> #include <sound/simple_card_utils.h> static void simple_fixup_sample_fmt(struct simple_util_data *data, struct snd_pcm_hw_params *params) { int i; struct snd_mask *mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); struct { char *fmt; u32 val; } of_sample_fmt_table[] = { { "s8", SNDRV_PCM_FORMAT_S8}, { "s16_le", SNDRV_PCM_FORMAT_S16_LE}, { "s24_le", SNDRV_PCM_FORMAT_S24_LE}, { "s24_3le", SNDRV_PCM_FORMAT_S24_3LE}, { "s32_le", SNDRV_PCM_FORMAT_S32_LE}, }; for (i = 0; i < ARRAY_SIZE(of_sample_fmt_table); i++) { if (!strcmp(data->convert_sample_format, of_sample_fmt_table[i].fmt)) { snd_mask_none(mask); snd_mask_set(mask, of_sample_fmt_table[i].val); break; } } } void simple_util_parse_convert(struct device_node *np, char *prefix, struct simple_util_data *data) { char prop[128]; if (!prefix) prefix = ""; /* sampling rate convert */ snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-rate"); of_property_read_u32(np, prop, &data->convert_rate); /* channels transfer */ snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-channels"); of_property_read_u32(np, prop, &data->convert_channels); /* convert sample format */ snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-sample-format"); of_property_read_string(np, prop, &data->convert_sample_format); } EXPORT_SYMBOL_GPL(simple_util_parse_convert); /** * simple_util_is_convert_required() - Query if HW param conversion was requested * @data: Link data. * * Returns true if any HW param conversion was requested for this DAI link with * any "convert-xxx" properties. */ bool simple_util_is_convert_required(const struct simple_util_data *data) { return data->convert_rate || data->convert_channels || data->convert_sample_format; } EXPORT_SYMBOL_GPL(simple_util_is_convert_required); int simple_util_parse_daifmt(struct device *dev, struct device_node *node, struct device_node *codec, char *prefix, unsigned int *retfmt) { struct device_node *bitclkmaster = NULL; struct device_node *framemaster = NULL; unsigned int daifmt; daifmt = snd_soc_daifmt_parse_format(node, prefix); snd_soc_daifmt_parse_clock_provider_as_phandle(node, prefix, &bitclkmaster, &framemaster); if (!bitclkmaster && !framemaster) { /* * No dai-link level and master setting was not found from * sound node level, revert back to legacy DT parsing and * take the settings from codec node. */ dev_dbg(dev, "Revert to legacy daifmt parsing\n"); daifmt |= snd_soc_daifmt_parse_clock_provider_as_flag(codec, NULL); } else { daifmt |= snd_soc_daifmt_clock_provider_from_bitmap( ((codec == bitclkmaster) << 4) | (codec == framemaster)); } of_node_put(bitclkmaster); of_node_put(framemaster); *retfmt = daifmt; return 0; } EXPORT_SYMBOL_GPL(simple_util_parse_daifmt); int simple_util_parse_tdm_width_map(struct device *dev, struct device_node *np, struct simple_util_dai *dai) { u32 *array_values, *p; int n, i, ret; if (!of_property_read_bool(np, "dai-tdm-slot-width-map")) return 0; n = of_property_count_elems_of_size(np, "dai-tdm-slot-width-map", sizeof(u32)); if (n % 3) { dev_err(dev, "Invalid number of cells for dai-tdm-slot-width-map\n"); return -EINVAL; } dai->tdm_width_map = devm_kcalloc(dev, n, sizeof(*dai->tdm_width_map), GFP_KERNEL); if (!dai->tdm_width_map) return -ENOMEM; array_values = kcalloc(n, sizeof(*array_values), GFP_KERNEL); if (!array_values) return -ENOMEM; ret = of_property_read_u32_array(np, "dai-tdm-slot-width-map", array_values, n); if (ret < 0) { dev_err(dev, "Could not read dai-tdm-slot-width-map: %d\n", ret); goto out; } p = array_values; for (i = 0; i < n / 3; ++i) { dai->tdm_width_map[i].sample_bits = *p++; dai->tdm_width_map[i].slot_width = *p++; dai->tdm_width_map[i].slot_count = *p++; } dai->n_tdm_widths = i; ret = 0; out: kfree(array_values); return ret; } EXPORT_SYMBOL_GPL(simple_util_parse_tdm_width_map); int simple_util_set_dailink_name(struct device *dev, struct snd_soc_dai_link *dai_link, const char *fmt, ...) { va_list ap; char *name = NULL; int ret = -ENOMEM; va_start(ap, fmt); name = devm_kvasprintf(dev, GFP_KERNEL, fmt, ap); va_end(ap); if (name) { ret = 0; dai_link->name = name; dai_link->stream_name = name; } return ret; } EXPORT_SYMBOL_GPL(simple_util_set_dailink_name); int simple_util_parse_card_name(struct snd_soc_card *card, char *prefix) { int ret; if (!prefix) prefix = ""; /* Parse the card name from DT */ ret = snd_soc_of_parse_card_name(card, "label"); if (ret < 0 || !card->name) { char prop[128]; snprintf(prop, sizeof(prop), "%sname", prefix); ret = snd_soc_of_parse_card_name(card, prop); if (ret < 0) return ret; } if (!card->name && card->dai_link) card->name = card->dai_link->name; return 0; } EXPORT_SYMBOL_GPL(simple_util_parse_card_name); static int simple_clk_enable(struct simple_util_dai *dai) { if (dai) return clk_prepare_enable(dai->clk); return 0; } static void simple_clk_disable(struct simple_util_dai *dai) { if (dai) clk_disable_unprepare(dai->clk); } int simple_util_parse_clk(struct device *dev, struct device_node *node, struct simple_util_dai *simple_dai, struct snd_soc_dai_link_component *dlc) { struct clk *clk; u32 val; /* * Parse dai->sysclk come from "clocks = <&xxx>" * (if system has common clock) * or "system-clock-frequency = <xxx>" * or device's module clock. */ clk = devm_get_clk_from_child(dev, node, NULL); simple_dai->clk_fixed = of_property_read_bool( node, "system-clock-fixed"); if (!IS_ERR(clk)) { simple_dai->sysclk = clk_get_rate(clk); simple_dai->clk = clk; } else if (!of_property_read_u32(node, "system-clock-frequency", &val)) { simple_dai->sysclk = val; simple_dai->clk_fixed = true; } else { clk = devm_get_clk_from_child(dev, dlc->of_node, NULL); if (!IS_ERR(clk)) simple_dai->sysclk = clk_get_rate(clk); } if (of_property_read_bool(node, "system-clock-direction-out")) simple_dai->clk_direction = SND_SOC_CLOCK_OUT; return 0; } EXPORT_SYMBOL_GPL(simple_util_parse_clk); static int simple_check_fixed_sysclk(struct device *dev, struct simple_util_dai *dai, unsigned int *fixed_sysclk) { if (dai->clk_fixed) { if (*fixed_sysclk && *fixed_sysclk != dai->sysclk) { dev_err(dev, "inconsistent fixed sysclk rates (%u vs %u)\n", *fixed_sysclk, dai->sysclk); return -EINVAL; } *fixed_sysclk = dai->sysclk; } return 0; } int simple_util_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct simple_util_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *props = simple_priv_to_props(priv, rtd->num); struct simple_util_dai *dai; unsigned int fixed_sysclk = 0; int i1, i2, i; int ret; for_each_prop_dai_cpu(props, i1, dai) { ret = simple_clk_enable(dai); if (ret) goto cpu_err; ret = simple_check_fixed_sysclk(rtd->dev, dai, &fixed_sysclk); if (ret) goto cpu_err; } for_each_prop_dai_codec(props, i2, dai) { ret = simple_clk_enable(dai); if (ret) goto codec_err; ret = simple_check_fixed_sysclk(rtd->dev, dai, &fixed_sysclk); if (ret) goto codec_err; } if (fixed_sysclk && props->mclk_fs) { unsigned int fixed_rate = fixed_sysclk / props->mclk_fs; if (fixed_sysclk % props->mclk_fs) { dev_err(rtd->dev, "fixed sysclk %u not divisible by mclk_fs %u\n", fixed_sysclk, props->mclk_fs); ret = -EINVAL; goto codec_err; } ret = snd_pcm_hw_constraint_minmax(substream->runtime, SNDRV_PCM_HW_PARAM_RATE, fixed_rate, fixed_rate); if (ret < 0) goto codec_err; } return 0; codec_err: for_each_prop_dai_codec(props, i, dai) { if (i >= i2) break; simple_clk_disable(dai); } cpu_err: for_each_prop_dai_cpu(props, i, dai) { if (i >= i1) break; simple_clk_disable(dai); } return ret; } EXPORT_SYMBOL_GPL(simple_util_startup); void simple_util_shutdown(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct simple_util_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *props = simple_priv_to_props(priv, rtd->num); struct simple_util_dai *dai; int i; for_each_prop_dai_cpu(props, i, dai) { struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, i); if (props->mclk_fs && !dai->clk_fixed && !snd_soc_dai_active(cpu_dai)) snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_OUT); simple_clk_disable(dai); } for_each_prop_dai_codec(props, i, dai) { struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, i); if (props->mclk_fs && !dai->clk_fixed && !snd_soc_dai_active(codec_dai)) snd_soc_dai_set_sysclk(codec_dai, 0, 0, SND_SOC_CLOCK_IN); simple_clk_disable(dai); } } EXPORT_SYMBOL_GPL(simple_util_shutdown); static int simple_set_clk_rate(struct device *dev, struct simple_util_dai *simple_dai, unsigned long rate) { if (!simple_dai) return 0; if (simple_dai->clk_fixed && rate != simple_dai->sysclk) { dev_err(dev, "dai %s invalid clock rate %lu\n", simple_dai->name, rate); return -EINVAL; } if (!simple_dai->clk) return 0; if (clk_get_rate(simple_dai->clk) == rate) return 0; return clk_set_rate(simple_dai->clk, rate); } static int simple_set_tdm(struct snd_soc_dai *dai, struct simple_util_dai *simple_dai, struct snd_pcm_hw_params *params) { int sample_bits = params_width(params); int slot_width, slot_count; int i, ret; if (!simple_dai || !simple_dai->tdm_width_map) return 0; slot_width = simple_dai->slot_width; slot_count = simple_dai->slots; if (slot_width == 0) slot_width = sample_bits; for (i = 0; i < simple_dai->n_tdm_widths; ++i) { if (simple_dai->tdm_width_map[i].sample_bits == sample_bits) { slot_width = simple_dai->tdm_width_map[i].slot_width; slot_count = simple_dai->tdm_width_map[i].slot_count; break; } } ret = snd_soc_dai_set_tdm_slot(dai, simple_dai->tx_slot_mask, simple_dai->rx_slot_mask, slot_count, slot_width); if (ret && ret != -ENOTSUPP) { dev_err(dai->dev, "simple-card: set_tdm_slot error: %d\n", ret); return ret; } return 0; } int simple_util_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct simple_util_dai *pdai; struct snd_soc_dai *sdai; struct simple_util_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *props = simple_priv_to_props(priv, rtd->num); unsigned int mclk, mclk_fs = 0; int i, ret; if (props->mclk_fs) mclk_fs = props->mclk_fs; if (mclk_fs) { struct snd_soc_component *component; mclk = params_rate(params) * mclk_fs; for_each_prop_dai_codec(props, i, pdai) { ret = simple_set_clk_rate(rtd->dev, pdai, mclk); if (ret < 0) return ret; } for_each_prop_dai_cpu(props, i, pdai) { ret = simple_set_clk_rate(rtd->dev, pdai, mclk); if (ret < 0) return ret; } /* Ensure sysclk is set on all components in case any * (such as platform components) are missed by calls to * snd_soc_dai_set_sysclk. */ for_each_rtd_components(rtd, i, component) { ret = snd_soc_component_set_sysclk(component, 0, 0, mclk, SND_SOC_CLOCK_IN); if (ret && ret != -ENOTSUPP) return ret; } for_each_rtd_codec_dais(rtd, i, sdai) { ret = snd_soc_dai_set_sysclk(sdai, 0, mclk, SND_SOC_CLOCK_IN); if (ret && ret != -ENOTSUPP) return ret; } for_each_rtd_cpu_dais(rtd, i, sdai) { ret = snd_soc_dai_set_sysclk(sdai, 0, mclk, SND_SOC_CLOCK_OUT); if (ret && ret != -ENOTSUPP) return ret; } } for_each_prop_dai_codec(props, i, pdai) { sdai = snd_soc_rtd_to_codec(rtd, i); ret = simple_set_tdm(sdai, pdai, params); if (ret < 0) return ret; } for_each_prop_dai_cpu(props, i, pdai) { sdai = snd_soc_rtd_to_cpu(rtd, i); ret = simple_set_tdm(sdai, pdai, params); if (ret < 0) return ret; } return 0; } EXPORT_SYMBOL_GPL(simple_util_hw_params); int simple_util_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { struct simple_util_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num); struct simple_util_data *data = &dai_props->adata; struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); if (data->convert_rate) rate->min = rate->max = data->convert_rate; if (data->convert_channels) channels->min = channels->max = data->convert_channels; if (data->convert_sample_format) simple_fixup_sample_fmt(data, params); return 0; } EXPORT_SYMBOL_GPL(simple_util_be_hw_params_fixup); static int simple_init_dai(struct snd_soc_dai *dai, struct simple_util_dai *simple_dai) { int ret; if (!simple_dai) return 0; if (simple_dai->sysclk) { ret = snd_soc_dai_set_sysclk(dai, 0, simple_dai->sysclk, simple_dai->clk_direction); if (ret && ret != -ENOTSUPP) { dev_err(dai->dev, "simple-card: set_sysclk error\n"); return ret; } } if (simple_dai->slots) { ret = snd_soc_dai_set_tdm_slot(dai, simple_dai->tx_slot_mask, simple_dai->rx_slot_mask, simple_dai->slots, simple_dai->slot_width); if (ret && ret != -ENOTSUPP) { dev_err(dai->dev, "simple-card: set_tdm_slot error\n"); return ret; } } return 0; } static inline int simple_component_is_codec(struct snd_soc_component *component) { return component->driver->endianness; } static int simple_init_for_codec2codec(struct snd_soc_pcm_runtime *rtd, struct simple_dai_props *dai_props) { struct snd_soc_dai_link *dai_link = rtd->dai_link; struct snd_soc_component *component; struct snd_soc_pcm_stream *c2c_params; struct snd_pcm_hardware hw; int i, ret, stream; /* Do nothing if it already has Codec2Codec settings */ if (dai_link->c2c_params) return 0; /* Do nothing if it was DPCM :: BE */ if (dai_link->no_pcm) return 0; /* Only Codecs */ for_each_rtd_components(rtd, i, component) { if (!simple_component_is_codec(component)) return 0; } /* Assumes the capabilities are the same for all supported streams */ for_each_pcm_streams(stream) { ret = snd_soc_runtime_calc_hw(rtd, &hw, stream); if (ret == 0) break; } if (ret < 0) { dev_err(rtd->dev, "simple-card: no valid dai_link params\n"); return ret; } c2c_params = devm_kzalloc(rtd->dev, sizeof(*c2c_params), GFP_KERNEL); if (!c2c_params) return -ENOMEM; c2c_params->formats = hw.formats; c2c_params->rates = hw.rates; c2c_params->rate_min = hw.rate_min; c2c_params->rate_max = hw.rate_max; c2c_params->channels_min = hw.channels_min; c2c_params->channels_max = hw.channels_max; dai_link->c2c_params = c2c_params; dai_link->num_c2c_params = 1; return 0; } int simple_util_dai_init(struct snd_soc_pcm_runtime *rtd) { struct simple_util_priv *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *props = simple_priv_to_props(priv, rtd->num); struct simple_util_dai *dai; int i, ret; for_each_prop_dai_codec(props, i, dai) { ret = simple_init_dai(snd_soc_rtd_to_codec(rtd, i), dai); if (ret < 0) return ret; } for_each_prop_dai_cpu(props, i, dai) { ret = simple_init_dai(snd_soc_rtd_to_cpu(rtd, i), dai); if (ret < 0) return ret; } ret = simple_init_for_codec2codec(rtd, props); if (ret < 0) return ret; return 0; } EXPORT_SYMBOL_GPL(simple_util_dai_init); void simple_util_canonicalize_platform(struct snd_soc_dai_link_component *platforms, struct snd_soc_dai_link_component *cpus) { /* * Assumes Platform == CPU * * Some CPU might be using soc-generic-dmaengine-pcm. This means CPU and Platform * are different Component, but are sharing same component->dev. * * Let's assume Platform is same as CPU if it doesn't identify Platform on DT. * see * simple-card.c :: simple_count_noml() */ if (!platforms->of_node) snd_soc_dlc_use_cpu_as_platform(platforms, cpus); } EXPORT_SYMBOL_GPL(simple_util_canonicalize_platform); void simple_util_canonicalize_cpu(struct snd_soc_dai_link_component *cpus, int is_single_links) { /* * In soc_bind_dai_link() will check cpu name after * of_node matching if dai_link has cpu_dai_name. * but, it will never match if name was created by * fmt_single_name() remove cpu_dai_name if cpu_args * was 0. See: * fmt_single_name() * fmt_multiple_name() */ if (is_single_links) cpus->dai_name = NULL; } EXPORT_SYMBOL_GPL(simple_util_canonicalize_cpu); void simple_util_clean_reference(struct snd_soc_card *card) { struct snd_soc_dai_link *dai_link; struct snd_soc_dai_link_component *cpu; struct snd_soc_dai_link_component *codec; int i, j; for_each_card_prelinks(card, i, dai_link) { for_each_link_cpus(dai_link, j, cpu) of_node_put(cpu->of_node); for_each_link_codecs(dai_link, j, codec) of_node_put(codec->of_node); } } EXPORT_SYMBOL_GPL(simple_util_clean_reference); int simple_util_parse_routing(struct snd_soc_card *card, char *prefix) { struct device_node *node = card->dev->of_node; char prop[128]; if (!prefix) prefix = ""; snprintf(prop, sizeof(prop), "%s%s", prefix, "routing"); if (!of_property_read_bool(node, prop)) return 0; return snd_soc_of_parse_audio_routing(card, prop); } EXPORT_SYMBOL_GPL(simple_util_parse_routing); int simple_util_parse_widgets(struct snd_soc_card *card, char *prefix) { struct device_node *node = card->dev->of_node; char prop[128]; if (!prefix) prefix = ""; snprintf(prop, sizeof(prop), "%s%s", prefix, "widgets"); if (of_property_read_bool(node, prop)) return snd_soc_of_parse_audio_simple_widgets(card, prop); /* no widgets is not error */ return 0; } EXPORT_SYMBOL_GPL(simple_util_parse_widgets); int simple_util_parse_pin_switches(struct snd_soc_card *card, char *prefix) { char prop[128]; if (!prefix) prefix = ""; snprintf(prop, sizeof(prop), "%s%s", prefix, "pin-switches"); return snd_soc_of_parse_pin_switches(card, prop); } EXPORT_SYMBOL_GPL(simple_util_parse_pin_switches); int simple_util_init_jack(struct snd_soc_card *card, struct simple_util_jack *sjack, int is_hp, char *prefix, char *pin) { struct device *dev = card->dev; struct gpio_desc *desc; char prop[128]; char *pin_name; char *gpio_name; int mask; int error; if (!prefix) prefix = ""; sjack->gpio.gpio = -ENOENT; if (is_hp) { snprintf(prop, sizeof(prop), "%shp-det", prefix); pin_name = pin ? pin : "Headphones"; gpio_name = "Headphone detection"; mask = SND_JACK_HEADPHONE; } else { snprintf(prop, sizeof(prop), "%smic-det", prefix); pin_name = pin ? pin : "Mic Jack"; gpio_name = "Mic detection"; mask = SND_JACK_MICROPHONE; } desc = gpiod_get_optional(dev, prop, GPIOD_IN); error = PTR_ERR_OR_ZERO(desc); if (error) return error; if (desc) { error = gpiod_set_consumer_name(desc, gpio_name); if (error) return error; sjack->pin.pin = pin_name; sjack->pin.mask = mask; sjack->gpio.name = gpio_name; sjack->gpio.report = mask; sjack->gpio.desc = desc; sjack->gpio.debounce_time = 150; snd_soc_card_jack_new_pins(card, pin_name, mask, &sjack->jack, &sjack->pin, 1); snd_soc_jack_add_gpios(&sjack->jack, 1, &sjack->gpio); } return 0; } EXPORT_SYMBOL_GPL(simple_util_init_jack); int simple_util_init_aux_jacks(struct simple_util_priv *priv, char *prefix) { struct snd_soc_card *card = simple_priv_to_card(priv); struct snd_soc_component *component; int found_jack_index = 0; int type = 0; int num = 0; int ret; if (priv->aux_jacks) return 0; for_each_card_auxs(card, component) { type = snd_soc_component_get_jack_type(component); if (type > 0) num++; } if (num < 1) return 0; priv->aux_jacks = devm_kcalloc(card->dev, num, sizeof(struct snd_soc_jack), GFP_KERNEL); if (!priv->aux_jacks) return -ENOMEM; for_each_card_auxs(card, component) { char id[128]; struct snd_soc_jack *jack; if (found_jack_index >= num) break; type = snd_soc_component_get_jack_type(component); if (type <= 0) continue; /* create jack */ jack = &(priv->aux_jacks[found_jack_index++]); snprintf(id, sizeof(id), "%s-jack", component->name); ret = snd_soc_card_jack_new(card, id, type, jack); if (ret) continue; (void)snd_soc_component_set_jack(component, jack, NULL); } return 0; } EXPORT_SYMBOL_GPL(simple_util_init_aux_jacks); int simple_util_init_priv(struct simple_util_priv *priv, struct link_info *li) { struct snd_soc_card *card = simple_priv_to_card(priv); struct device *dev = simple_priv_to_dev(priv); struct snd_soc_dai_link *dai_link; struct simple_dai_props *dai_props; struct simple_util_dai *dais; struct snd_soc_dai_link_component *dlcs; struct snd_soc_codec_conf *cconf = NULL; int i, dai_num = 0, dlc_num = 0, cnf_num = 0; dai_props = devm_kcalloc(dev, li->link, sizeof(*dai_props), GFP_KERNEL); dai_link = devm_kcalloc(dev, li->link, sizeof(*dai_link), GFP_KERNEL); if (!dai_props || !dai_link) return -ENOMEM; /* * dais (= CPU+Codec) * dlcs (= CPU+Codec+Platform) */ for (i = 0; i < li->link; i++) { int cc = li->num[i].cpus + li->num[i].codecs; dai_num += cc; dlc_num += cc + li->num[i].platforms; if (!li->num[i].cpus) cnf_num += li->num[i].codecs; } dais = devm_kcalloc(dev, dai_num, sizeof(*dais), GFP_KERNEL); dlcs = devm_kcalloc(dev, dlc_num, sizeof(*dlcs), GFP_KERNEL); if (!dais || !dlcs) return -ENOMEM; if (cnf_num) { cconf = devm_kcalloc(dev, cnf_num, sizeof(*cconf), GFP_KERNEL); if (!cconf) return -ENOMEM; } dev_dbg(dev, "link %d, dais %d, ccnf %d\n", li->link, dai_num, cnf_num); priv->dai_props = dai_props; priv->dai_link = dai_link; priv->dais = dais; priv->dlcs = dlcs; priv->codec_conf = cconf; card->dai_link = priv->dai_link; card->num_links = li->link; card->codec_conf = cconf; card->num_configs = cnf_num; for (i = 0; i < li->link; i++) { if (li->num[i].cpus) { /* Normal CPU */ dai_link[i].cpus = dlcs; dai_props[i].num.cpus = dai_link[i].num_cpus = li->num[i].cpus; dai_props[i].cpu_dai = dais; dlcs += li->num[i].cpus; dais += li->num[i].cpus; } else { /* DPCM Be's CPU = dummy */ dai_link[i].cpus = &snd_soc_dummy_dlc; dai_props[i].num.cpus = dai_link[i].num_cpus = 1; } if (li->num[i].codecs) { /* Normal Codec */ dai_link[i].codecs = dlcs; dai_props[i].num.codecs = dai_link[i].num_codecs = li->num[i].codecs; dai_props[i].codec_dai = dais; dlcs += li->num[i].codecs; dais += li->num[i].codecs; if (!li->num[i].cpus) { /* DPCM Be's Codec */ dai_props[i].codec_conf = cconf; cconf += li->num[i].codecs; } } else { /* DPCM Fe's Codec = dummy */ dai_link[i].codecs = &snd_soc_dummy_dlc; dai_props[i].num.codecs = dai_link[i].num_codecs = 1; } if (li->num[i].platforms) { /* Have Platform */ dai_link[i].platforms = dlcs; dai_props[i].num.platforms = dai_link[i].num_platforms = li->num[i].platforms; dlcs += li->num[i].platforms; } else { /* Doesn't have Platform */ dai_link[i].platforms = NULL; dai_props[i].num.platforms = dai_link[i].num_platforms = 0; } } return 0; } EXPORT_SYMBOL_GPL(simple_util_init_priv); void simple_util_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); simple_util_clean_reference(card); } EXPORT_SYMBOL_GPL(simple_util_remove); int graph_util_card_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, NULL); if (ret < 0) return ret; ret = simple_util_init_mic(card, &priv->mic_jack, NULL); if (ret < 0) return ret; return 0; } EXPORT_SYMBOL_GPL(graph_util_card_probe); int graph_util_is_ports0(struct device_node *np) { struct device_node *port, *ports, *ports0, *top; int ret; /* np is "endpoint" or "port" */ if (of_node_name_eq(np, "endpoint")) { port = of_get_parent(np); } else { port = np; of_node_get(port); } ports = of_get_parent(port); top = of_get_parent(ports); ports0 = of_get_child_by_name(top, "ports"); ret = ports0 == ports; of_node_put(port); of_node_put(ports); of_node_put(ports0); of_node_put(top); return ret; } EXPORT_SYMBOL_GPL(graph_util_is_ports0); static int graph_get_dai_id(struct device_node *ep) { struct device_node *node; struct device_node *endpoint; struct of_endpoint info; int i, id; int ret; /* use driver specified DAI ID if exist */ ret = snd_soc_get_dai_id(ep); if (ret != -ENOTSUPP) return ret; /* use endpoint/port reg if exist */ ret = of_graph_parse_endpoint(ep, &info); if (ret == 0) { /* * 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_property_present(ep, "reg")) return info.id; node = of_get_parent(ep); ret = of_property_present(node, "reg"); of_node_put(node); if (ret) return info.port; } node = of_graph_get_port_parent(ep); /* * Non HDMI sound case, counting port/endpoint on its DT * is enough. Let's count it. */ i = 0; id = -1; for_each_endpoint_of_node(node, endpoint) { if (endpoint == ep) id = i; i++; } of_node_put(node); if (id < 0) return -ENODEV; return id; } int graph_util_parse_dai(struct device *dev, struct device_node *ep, struct snd_soc_dai_link_component *dlc, int *is_single_link) { struct device_node *node; struct of_phandle_args args = {}; struct snd_soc_dai *dai; int ret; if (!ep) return 0; node = of_graph_get_port_parent(ep); /* * Try to find from DAI node */ args.np = ep; 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; } /* Get dai->name */ args.np = node; args.args[0] = graph_get_dai_id(ep); args.args_count = (of_graph_get_endpoint_count(node) > 1); /* * 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) { of_node_put(node); return ret; } parse_dai_end: if (is_single_link) *is_single_link = of_graph_get_endpoint_count(node) == 1; return 0; } EXPORT_SYMBOL_GPL(graph_util_parse_dai); int graph_util_parse_link_direction(struct device_node *np, bool *playback_only, bool *capture_only) { bool is_playback_only = false; bool is_capture_only = false; is_playback_only = of_property_read_bool(np, "playback-only"); is_capture_only = of_property_read_bool(np, "capture-only"); if (is_playback_only && is_capture_only) return -EINVAL; *playback_only = is_playback_only; *capture_only = is_capture_only; return 0; } EXPORT_SYMBOL_GPL(graph_util_parse_link_direction); /* Module information */ MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); MODULE_DESCRIPTION("ALSA SoC Simple Card Utils"); MODULE_LICENSE("GPL v2");
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1