mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-13 14:04:05 +08:00
9ae035e289
Now we can use asoc_substream_to_rtd() macro, let's use it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87zh7vyoex.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
657 lines
16 KiB
C
657 lines
16 KiB
C
// 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 = 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);
|
|
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 = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
|
|
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
|
|
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 = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
|
|
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
|
|
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;
|
|
}
|
|
|
|
static int asoc_simple_init_dai_link_params(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;
|
|
|
|
/* Only codecs should have non_legacy_dai_naming set. */
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (!component->driver->non_legacy_dai_naming)
|
|
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;
|
|
|
|
ret = asoc_simple_init_dai(asoc_rtd_to_codec(rtd, 0),
|
|
dai_props->codec_dai);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = asoc_simple_init_dai(asoc_rtd_to_cpu(rtd, 0),
|
|
dai_props->cpu_dai);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = asoc_simple_init_dai_link_params(rtd, dai_props);
|
|
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,
|
|
char *pin)
|
|
{
|
|
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 = pin ? pin : "Headphones";
|
|
gpio_name = "Headphone detection";
|
|
mask = SND_JACK_HEADPHONE;
|
|
} else {
|
|
snprintf(prop, sizeof(prop), "%smic-det-gpio", 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;
|
|
|
|
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");
|