ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/sound/soc/generic/simple-card-utils.c b/marvell/linux/sound/soc/generic/simple-card-utils.c
new file mode 100644
index 0000000..9b79477
--- /dev/null
+++ b/marvell/linux/sound/soc/generic/simple-card-utils.c
@@ -0,0 +1,607 @@
+// 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.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/of_graph.h>
+#include <sound/jack.h>
+#include <sound/simple_card_utils.h>
+
+void asoc_simple_convert_fixup(struct asoc_simple_data *data,
+ struct snd_pcm_hw_params *params)
+{
+ 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;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_convert_fixup);
+
+void asoc_simple_parse_convert(struct device *dev,
+ struct device_node *np,
+ char *prefix,
+ struct asoc_simple_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);
+}
+EXPORT_SYMBOL_GPL(asoc_simple_parse_convert);
+
+int asoc_simple_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_of_parse_daifmt(node, prefix,
+ &bitclkmaster, &framemaster);
+ daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
+
+ 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_of_parse_daifmt(codec, NULL, NULL, NULL) |
+ (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK);
+ } else {
+ if (codec == bitclkmaster)
+ daifmt |= (codec == framemaster) ?
+ SND_SOC_DAIFMT_CBM_CFM : SND_SOC_DAIFMT_CBM_CFS;
+ else
+ daifmt |= (codec == framemaster) ?
+ SND_SOC_DAIFMT_CBS_CFM : SND_SOC_DAIFMT_CBS_CFS;
+ }
+
+ of_node_put(bitclkmaster);
+ of_node_put(framemaster);
+
+ *retfmt = daifmt;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_parse_daifmt);
+
+int asoc_simple_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(asoc_simple_set_dailink_name);
+
+int asoc_simple_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(asoc_simple_parse_card_name);
+
+static int asoc_simple_clk_enable(struct asoc_simple_dai *dai)
+{
+ if (dai)
+ return clk_prepare_enable(dai->clk);
+
+ return 0;
+}
+
+static void asoc_simple_clk_disable(struct asoc_simple_dai *dai)
+{
+ if (dai)
+ clk_disable_unprepare(dai->clk);
+}
+
+int asoc_simple_parse_clk(struct device *dev,
+ struct device_node *node,
+ struct asoc_simple_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);
+ 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;
+ } 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(asoc_simple_parse_clk);
+
+int asoc_simple_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct asoc_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;
+
+ ret = asoc_simple_clk_enable(dai_props->cpu_dai);
+ if (ret)
+ return ret;
+
+ ret = asoc_simple_clk_enable(dai_props->codec_dai);
+ if (ret)
+ asoc_simple_clk_disable(dai_props->cpu_dai);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_startup);
+
+void asoc_simple_shutdown(struct snd_pcm_substream *substream)
+{
+ 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 asoc_simple_priv *priv = snd_soc_card_get_drvdata(rtd->card);
+ struct simple_dai_props *dai_props =
+ simple_priv_to_props(priv, rtd->num);
+
+ if (dai_props->mclk_fs) {
+ snd_soc_dai_set_sysclk(codec_dai, 0, 0, SND_SOC_CLOCK_IN);
+ snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_OUT);
+ }
+
+ asoc_simple_clk_disable(dai_props->cpu_dai);
+
+ asoc_simple_clk_disable(dai_props->codec_dai);
+}
+EXPORT_SYMBOL_GPL(asoc_simple_shutdown);
+
+static int asoc_simple_set_clk_rate(struct asoc_simple_dai *simple_dai,
+ unsigned long rate)
+{
+ if (!simple_dai)
+ return 0;
+
+ if (!simple_dai->clk)
+ return 0;
+
+ if (clk_get_rate(simple_dai->clk) == rate)
+ return 0;
+
+ return clk_set_rate(simple_dai->clk, rate);
+}
+
+int asoc_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 asoc_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;
+ int ret = 0;
+
+ if (dai_props->mclk_fs)
+ mclk_fs = dai_props->mclk_fs;
+
+ if (mclk_fs) {
+ mclk = params_rate(params) * mclk_fs;
+
+ ret = asoc_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);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
+ SND_SOC_CLOCK_IN);
+ if (ret && ret != -ENOTSUPP)
+ goto err;
+
+ ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
+ SND_SOC_CLOCK_OUT);
+ if (ret && ret != -ENOTSUPP)
+ goto err;
+ }
+ return 0;
+err:
+ return ret;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_hw_params);
+
+int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params)
+{
+ struct asoc_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_convert_fixup(&dai_props->adata, params);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_be_hw_params_fixup);
+
+static int asoc_simple_init_dai(struct snd_soc_dai *dai,
+ struct asoc_simple_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;
+}
+
+int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct asoc_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;
+
+ ret = asoc_simple_init_dai(rtd->codec_dai,
+ dai_props->codec_dai);
+ if (ret < 0)
+ return ret;
+
+ ret = asoc_simple_init_dai(rtd->cpu_dai,
+ dai_props->cpu_dai);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_dai_init);
+
+void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link)
+{
+ /* Assumes platform == cpu */
+ if (!dai_link->platforms->of_node)
+ dai_link->platforms->of_node = dai_link->cpus->of_node;
+
+ /*
+ * DPCM BE can be no platform.
+ * Alloced memory will be waste, but not leak.
+ */
+ if (!dai_link->platforms->of_node)
+ dai_link->num_platforms = 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_canonicalize_platform);
+
+void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
+ 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)
+ dai_link->cpus->dai_name = NULL;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_canonicalize_cpu);
+
+int asoc_simple_clean_reference(struct snd_soc_card *card)
+{
+ struct snd_soc_dai_link *dai_link;
+ int i;
+
+ for_each_card_prelinks(card, i, dai_link) {
+ of_node_put(dai_link->cpus->of_node);
+ of_node_put(dai_link->codecs->of_node);
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_clean_reference);
+
+int asoc_simple_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(asoc_simple_parse_routing);
+
+int asoc_simple_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(asoc_simple_parse_widgets);
+
+int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
+ char *prefix)
+{
+ const unsigned int nb_controls_max = 16;
+ const char **strings, *control_name;
+ struct snd_kcontrol_new *controls;
+ struct device *dev = card->dev;
+ unsigned int i, nb_controls;
+ char prop[128];
+ int ret;
+
+ if (!prefix)
+ prefix = "";
+
+ snprintf(prop, sizeof(prop), "%s%s", prefix, "pin-switches");
+
+ if (!of_property_read_bool(dev->of_node, prop))
+ return 0;
+
+ strings = devm_kcalloc(dev, nb_controls_max,
+ sizeof(*strings), GFP_KERNEL);
+ if (!strings)
+ return -ENOMEM;
+
+ ret = of_property_read_string_array(dev->of_node, prop,
+ strings, nb_controls_max);
+ if (ret < 0)
+ return ret;
+
+ nb_controls = (unsigned int)ret;
+
+ controls = devm_kcalloc(dev, nb_controls,
+ sizeof(*controls), GFP_KERNEL);
+ if (!controls)
+ return -ENOMEM;
+
+ for (i = 0; i < nb_controls; i++) {
+ control_name = devm_kasprintf(dev, GFP_KERNEL,
+ "%s Switch", strings[i]);
+ if (!control_name)
+ return -ENOMEM;
+
+ controls[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ controls[i].name = control_name;
+ controls[i].info = snd_soc_dapm_info_pin_switch;
+ controls[i].get = snd_soc_dapm_get_pin_switch;
+ controls[i].put = snd_soc_dapm_put_pin_switch;
+ controls[i].private_value = (unsigned long)strings[i];
+ }
+
+ card->controls = controls;
+ card->num_controls = nb_controls;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_parse_pin_switches);
+
+int asoc_simple_init_jack(struct snd_soc_card *card,
+ struct asoc_simple_jack *sjack,
+ int is_hp, char *prefix)
+{
+ struct device *dev = card->dev;
+ enum of_gpio_flags flags;
+ char prop[128];
+ char *pin_name;
+ char *gpio_name;
+ int mask;
+ int det;
+
+ if (!prefix)
+ prefix = "";
+
+ sjack->gpio.gpio = -ENOENT;
+
+ if (is_hp) {
+ snprintf(prop, sizeof(prop), "%shp-det-gpio", prefix);
+ pin_name = "Headphones";
+ gpio_name = "Headphone detection";
+ mask = SND_JACK_HEADPHONE;
+ } else {
+ snprintf(prop, sizeof(prop), "%smic-det-gpio", prefix);
+ pin_name = "Mic Jack";
+ gpio_name = "Mic detection";
+ mask = SND_JACK_MICROPHONE;
+ }
+
+ det = of_get_named_gpio_flags(dev->of_node, prop, 0, &flags);
+ if (det == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ if (gpio_is_valid(det)) {
+ sjack->pin.pin = pin_name;
+ sjack->pin.mask = mask;
+
+ sjack->gpio.name = gpio_name;
+ sjack->gpio.report = mask;
+ sjack->gpio.gpio = det;
+ sjack->gpio.invert = !!(flags & OF_GPIO_ACTIVE_LOW);
+ sjack->gpio.debounce_time = 150;
+
+ snd_soc_card_jack_new(card, pin_name, mask,
+ &sjack->jack,
+ &sjack->pin, 1);
+
+ snd_soc_jack_add_gpios(&sjack->jack, 1,
+ &sjack->gpio);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_init_jack);
+
+int asoc_simple_init_priv(struct asoc_simple_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 asoc_simple_dai *dais;
+ struct snd_soc_codec_conf *cconf = NULL;
+ int i;
+
+ 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);
+ if (!dai_props || !dai_link || !dais)
+ return -ENOMEM;
+
+ if (li->conf) {
+ cconf = devm_kcalloc(dev, li->conf, sizeof(*cconf), GFP_KERNEL);
+ if (!cconf)
+ 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()
+ *
+ * "platform" might be removed
+ * see
+ * simple-card-utils.c :: asoc_simple_canonicalize_platform()
+ */
+ for (i = 0; i < li->link; i++) {
+ dai_link[i].cpus = &dai_props[i].cpus;
+ dai_link[i].num_cpus = 1;
+ dai_link[i].codecs = &dai_props[i].codecs;
+ dai_link[i].num_codecs = 1;
+ 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;
+
+ card->dai_link = priv->dai_link;
+ card->num_links = li->link;
+ card->codec_conf = cconf;
+ card->num_configs = li->conf;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_init_priv);
+
+/* Module information */
+MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
+MODULE_DESCRIPTION("ALSA SoC Simple Card Utils");
+MODULE_LICENSE("GPL v2");