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Diffstat (limited to 'sound/soc/generic/simple-card-utils.c')
-rw-r--r--sound/soc/generic/simple-card-utils.c706
1 files changed, 540 insertions, 166 deletions
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index 9b794775df53..be69bbc47f81 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -9,11 +9,38 @@
#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/pcm_params.h>
#include <sound/simple_card_utils.h>
+static void asoc_simple_fixup_sample_fmt(struct asoc_simple_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 asoc_simple_convert_fixup(struct asoc_simple_data *data,
struct snd_pcm_hw_params *params)
{
@@ -29,11 +56,13 @@ void asoc_simple_convert_fixup(struct asoc_simple_data *data,
if (data->convert_channels)
channels->min =
channels->max = data->convert_channels;
+
+ if (data->convert_sample_format)
+ asoc_simple_fixup_sample_fmt(data, params);
}
EXPORT_SYMBOL_GPL(asoc_simple_convert_fixup);
-void asoc_simple_parse_convert(struct device *dev,
- struct device_node *np,
+void asoc_simple_parse_convert(struct device_node *np,
char *prefix,
struct asoc_simple_data *data)
{
@@ -49,9 +78,28 @@ void asoc_simple_parse_convert(struct device *dev,
/* 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(asoc_simple_parse_convert);
+/**
+ * asoc_simple_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 asoc_simple_is_convert_required(const struct asoc_simple_data *data)
+{
+ return data->convert_rate ||
+ data->convert_channels ||
+ data->convert_sample_format;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_is_convert_required);
+
int asoc_simple_parse_daifmt(struct device *dev,
struct device_node *node,
struct device_node *codec,
@@ -62,10 +110,9 @@ int asoc_simple_parse_daifmt(struct device *dev,
struct device_node *framemaster = NULL;
unsigned int daifmt;
- daifmt = snd_soc_of_parse_daifmt(node, prefix,
- &bitclkmaster, &framemaster);
- daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
+ 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
@@ -74,15 +121,10 @@ int asoc_simple_parse_daifmt(struct device *dev,
*/
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);
+ daifmt |= snd_soc_daifmt_parse_clock_provider_as_flag(codec, NULL);
} 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;
+ daifmt |= snd_soc_daifmt_clock_provider_from_bitmap(
+ ((codec == bitclkmaster) << 4) | (codec == framemaster));
}
of_node_put(bitclkmaster);
@@ -94,6 +136,51 @@ int asoc_simple_parse_daifmt(struct device *dev,
}
EXPORT_SYMBOL_GPL(asoc_simple_parse_daifmt);
+int asoc_simple_parse_tdm_width_map(struct device *dev, struct device_node *np,
+ struct asoc_simple_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(asoc_simple_parse_tdm_width_map);
+
int asoc_simple_set_dailink_name(struct device *dev,
struct snd_soc_dai_link *dai_link,
const char *fmt, ...)
@@ -172,12 +259,15 @@ int asoc_simple_parse_clk(struct device *dev,
* 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))
@@ -191,51 +281,123 @@ int asoc_simple_parse_clk(struct device *dev,
}
EXPORT_SYMBOL_GPL(asoc_simple_parse_clk);
+static int asoc_simple_check_fixed_sysclk(struct device *dev,
+ struct asoc_simple_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 asoc_simple_startup(struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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);
+ struct simple_dai_props *props = simple_priv_to_props(priv, rtd->num);
+ struct asoc_simple_dai *dai;
+ unsigned int fixed_sysclk = 0;
+ int i1, i2, i;
int ret;
- ret = asoc_simple_clk_enable(dai_props->cpu_dai);
- if (ret)
- return ret;
+ for_each_prop_dai_cpu(props, i1, dai) {
+ ret = asoc_simple_clk_enable(dai);
+ if (ret)
+ goto cpu_err;
+ ret = asoc_simple_check_fixed_sysclk(rtd->dev, dai, &fixed_sysclk);
+ if (ret)
+ goto cpu_err;
+ }
+
+ for_each_prop_dai_codec(props, i2, dai) {
+ ret = asoc_simple_clk_enable(dai);
+ if (ret)
+ goto codec_err;
+ ret = asoc_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);
+ return -EINVAL;
+ }
+ ret = snd_pcm_hw_constraint_minmax(substream->runtime, SNDRV_PCM_HW_PARAM_RATE,
+ fixed_rate, fixed_rate);
+ if (ret)
+ goto codec_err;
+ }
- ret = asoc_simple_clk_enable(dai_props->codec_dai);
- if (ret)
- asoc_simple_clk_disable(dai_props->cpu_dai);
+ return 0;
+codec_err:
+ for_each_prop_dai_codec(props, i, dai) {
+ if (i >= i2)
+ break;
+ asoc_simple_clk_disable(dai);
+ }
+cpu_err:
+ for_each_prop_dai_cpu(props, i, dai) {
+ if (i >= i1)
+ break;
+ asoc_simple_clk_disable(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 snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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);
+ struct simple_dai_props *props = simple_priv_to_props(priv, rtd->num);
+ struct asoc_simple_dai *dai;
+ int i;
- 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);
+ for_each_prop_dai_cpu(props, i, dai) {
+ struct snd_soc_dai *cpu_dai = asoc_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);
+
+ asoc_simple_clk_disable(dai);
}
+ for_each_prop_dai_codec(props, i, dai) {
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, i);
- asoc_simple_clk_disable(dai_props->cpu_dai);
+ 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);
- asoc_simple_clk_disable(dai_props->codec_dai);
+ asoc_simple_clk_disable(dai);
+ }
}
EXPORT_SYMBOL_GPL(asoc_simple_shutdown);
-static int asoc_simple_set_clk_rate(struct asoc_simple_dai *simple_dai,
+static int asoc_simple_set_clk_rate(struct device *dev,
+ struct asoc_simple_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;
@@ -245,45 +407,113 @@ 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_set_tdm(struct snd_soc_dai *dai,
+ struct asoc_simple_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 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 snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct asoc_simple_dai *pdai;
+ struct snd_soc_dai *sdai;
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);
+ struct simple_dai_props *props = simple_priv_to_props(priv, rtd->num);
unsigned int mclk, mclk_fs = 0;
- int ret = 0;
+ int i, ret;
- if (dai_props->mclk_fs)
- mclk_fs = dai_props->mclk_fs;
+ if (props->mclk_fs)
+ mclk_fs = props->mclk_fs;
if (mclk_fs) {
+ struct snd_soc_component *component;
mclk = params_rate(params) * mclk_fs;
- ret = asoc_simple_set_clk_rate(dai_props->codec_dai, mclk);
+ for_each_prop_dai_codec(props, i, pdai) {
+ ret = asoc_simple_set_clk_rate(rtd->dev, pdai, mclk);
+ if (ret < 0)
+ return ret;
+ }
+
+ for_each_prop_dai_cpu(props, i, pdai) {
+ ret = asoc_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 = asoc_rtd_to_codec(rtd, i);
+ ret = asoc_simple_set_tdm(sdai, pdai, params);
if (ret < 0)
return ret;
+ }
- ret = asoc_simple_set_clk_rate(dai_props->cpu_dai, mclk);
+ for_each_prop_dai_cpu(props, i, pdai) {
+ sdai = asoc_rtd_to_cpu(rtd, i);
+ ret = asoc_simple_set_tdm(sdai, pdai, params);
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);
@@ -331,19 +561,82 @@ static int asoc_simple_init_dai(struct snd_soc_dai *dai,
return 0;
}
+static inline int asoc_simple_component_is_codec(struct snd_soc_component *component)
+{
+ return component->driver->endianness;
+}
+
+static int asoc_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 *params;
+ struct snd_pcm_hardware hw;
+ int i, ret, stream;
+
+ /* Do nothing if it already has Codec2Codec settings */
+ if (dai_link->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 (!asoc_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;
+ }
+
+ params = devm_kzalloc(rtd->dev, sizeof(*params), GFP_KERNEL);
+ if (!params)
+ return -ENOMEM;
+
+ params->formats = hw.formats;
+ params->rates = hw.rates;
+ params->rate_min = hw.rate_min;
+ params->rate_max = hw.rate_max;
+ params->channels_min = hw.channels_min;
+ params->channels_max = hw.channels_max;
+
+ dai_link->params = params;
+ dai_link->num_params = 1;
+
+ 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;
+ struct simple_dai_props *props = simple_priv_to_props(priv, rtd->num);
+ struct asoc_simple_dai *dai;
+ int i, ret;
- ret = asoc_simple_init_dai(rtd->codec_dai,
- dai_props->codec_dai);
- if (ret < 0)
- return ret;
+ for_each_prop_dai_codec(props, i, dai) {
+ ret = asoc_simple_init_dai(asoc_rtd_to_codec(rtd, i), dai);
+ if (ret < 0)
+ return ret;
+ }
+ for_each_prop_dai_cpu(props, i, dai) {
+ ret = asoc_simple_init_dai(asoc_rtd_to_cpu(rtd, i), dai);
+ if (ret < 0)
+ return ret;
+ }
- ret = asoc_simple_init_dai(rtd->cpu_dai,
- dai_props->cpu_dai);
+ ret = asoc_simple_init_for_codec2codec(rtd, props);
if (ret < 0)
return ret;
@@ -351,22 +644,16 @@ int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd)
}
EXPORT_SYMBOL_GPL(asoc_simple_dai_init);
-void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link)
+void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms,
+ struct snd_soc_dai_link_component *cpus)
{
/* 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;
+ if (!platforms->of_node)
+ platforms->of_node = cpus->of_node;
}
EXPORT_SYMBOL_GPL(asoc_simple_canonicalize_platform);
-void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
+void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,
int is_single_links)
{
/*
@@ -379,20 +666,23 @@ void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
* fmt_multiple_name()
*/
if (is_single_links)
- dai_link->cpus->dai_name = NULL;
+ cpus->dai_name = NULL;
}
EXPORT_SYMBOL_GPL(asoc_simple_canonicalize_cpu);
-int asoc_simple_clean_reference(struct snd_soc_card *card)
+void asoc_simple_clean_reference(struct snd_soc_card *card)
{
struct snd_soc_dai_link *dai_link;
- int i;
+ 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) {
- of_node_put(dai_link->cpus->of_node);
- of_node_put(dai_link->codecs->of_node);
+ 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);
}
- return 0;
}
EXPORT_SYMBOL_GPL(asoc_simple_clean_reference);
@@ -436,71 +726,29 @@ 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;
+ return snd_soc_of_parse_pin_switches(card, prop);
}
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)
+ int is_hp, char *prefix,
+ char *pin)
{
struct device *dev = card->dev;
- enum of_gpio_flags flags;
+ struct gpio_desc *desc;
char prop[128];
char *pin_name;
char *gpio_name;
int mask;
- int det;
+ int error;
if (!prefix)
prefix = "";
@@ -508,37 +756,39 @@ int asoc_simple_init_jack(struct snd_soc_card *card,
sjack->gpio.gpio = -ENOENT;
if (is_hp) {
- snprintf(prop, sizeof(prop), "%shp-det-gpio", prefix);
- pin_name = "Headphones";
+ 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-gpio", prefix);
- pin_name = "Mic Jack";
+ snprintf(prop, sizeof(prop), "%smic-det", prefix);
+ pin_name = pin ? pin : "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;
+ 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;
- 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.desc = desc;
sjack->gpio.debounce_time = 150;
- snd_soc_card_jack_new(card, pin_name, mask,
- &sjack->jack,
- &sjack->pin, 1);
+ 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);
+ snd_soc_jack_add_gpios(&sjack->jack, 1, &sjack->gpio);
}
return 0;
@@ -553,54 +803,178 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv,
struct snd_soc_dai_link *dai_link;
struct simple_dai_props *dai_props;
struct asoc_simple_dai *dais;
+ struct snd_soc_dai_link_component *dlcs;
struct snd_soc_codec_conf *cconf = NULL;
- int i;
+ 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);
- dais = devm_kcalloc(dev, li->dais, sizeof(*dais), GFP_KERNEL);
- if (!dai_props || !dai_link || !dais)
+ if (!dai_props || !dai_link)
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()
+ * dais (= CPU+Codec)
+ * dlcs (= CPU+Codec+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;
+ 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);
+
+ /* dummy CPU/Codec */
+ priv->dummy.of_node = NULL;
+ priv->dummy.dai_name = "snd-soc-dummy-dai";
+ priv->dummy.name = "snd-soc-dummy";
+
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 = li->conf;
+ card->num_configs = cnf_num;
+
+ for (i = 0; i < li->link; i++) {
+ if (li->num[i].cpus) {
+ /* Normal CPU */
+ dai_props[i].cpus =
+ 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_props[i].cpus =
+ dai_link[i].cpus = &priv->dummy;
+ dai_props[i].num.cpus =
+ dai_link[i].num_cpus = 1;
+ }
+
+ if (li->num[i].codecs) {
+ /* Normal Codec */
+ dai_props[i].codecs =
+ 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_props[i].codecs =
+ dai_link[i].codecs = &priv->dummy;
+ dai_props[i].num.codecs =
+ dai_link[i].num_codecs = 1;
+ }
+
+ if (li->num[i].platforms) {
+ /* Have Platform */
+ dai_props[i].platforms =
+ 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_props[i].platforms =
+ dai_link[i].platforms = NULL;
+ dai_props[i].num.platforms =
+ dai_link[i].num_platforms = 0;
+ }
+ }
return 0;
}
EXPORT_SYMBOL_GPL(asoc_simple_init_priv);
+int asoc_simple_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ asoc_simple_clean_reference(card);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_remove);
+
+int asoc_graph_card_probe(struct snd_soc_card *card)
+{
+ struct asoc_simple_priv *priv = snd_soc_card_get_drvdata(card);
+ int ret;
+
+ ret = asoc_simple_init_hp(card, &priv->hp_jack, NULL);
+ if (ret < 0)
+ return ret;
+
+ ret = asoc_simple_init_mic(card, &priv->mic_jack, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_graph_card_probe);
+
+int asoc_graph_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(asoc_graph_is_ports0);
+
/* Module information */
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
MODULE_DESCRIPTION("ALSA SoC Simple Card Utils");