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Merge branch 'topic/simple' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-rcar

hifive-unleashed-5.1
Mark Brown 2016-07-16 13:05:05 +01:00
parent cc9bdcf2a4 3527d85b85
commit 0efd724809
8 changed files with 261 additions and 202 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
include/sound/simple_card.h
View File

@ -13,16 +13,7 @@
#define __SIMPLE_CARD_H
#include <sound/soc.h>
struct asoc_simple_dai {
const char *name;
unsigned int sysclk;
int slots;
int slot_width;
unsigned int tx_slot_mask;
unsigned int rx_slot_mask;
struct clk *clk;
};
#include <sound/simple_card_utils.h>
struct asoc_simple_card_info {
const char *name;

36
include/sound/simple_card_utils.h 100644
View File

@ -0,0 +1,36 @@
/*
* simple_card_core.h
*
* Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __SIMPLE_CARD_CORE_H
#define __SIMPLE_CARD_CORE_H
#include <sound/soc.h>
struct asoc_simple_dai {
const char *name;
unsigned int sysclk;
int slots;
int slot_width;
unsigned int tx_slot_mask;
unsigned int rx_slot_mask;
struct clk *clk;
};
int asoc_simple_card_parse_daifmt(struct device *dev,
struct device_node *node,
struct device_node *codec,
char *prefix,
unsigned int *retfmt);
int asoc_simple_card_set_dailink_name(struct device *dev,
struct snd_soc_dai_link *dai_link,
const char *fmt, ...);
int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
char *prefix);
#endif /* __SIMPLE_CARD_CORE_H */

4
sound/soc/generic/Kconfig
View File

@ -1,4 +1,8 @@
config SND_SIMPLE_CARD_UTILS
tristate
config SND_SIMPLE_CARD
tristate "ASoC Simple sound card support"
select SND_SIMPLE_CARD_UTILS
help
This option enables generic simple sound card support

2
sound/soc/generic/Makefile
View File

@ -1,3 +1,5 @@
obj-$(CONFIG_SND_SIMPLE_CARD_UTILS) := simple-card-utils.o
snd-soc-simple-card-objs := simple-card.o
obj-$(CONFIG_SND_SIMPLE_CARD) += snd-soc-simple-card.o

97
sound/soc/generic/simple-card-utils.c 100644
View File

@ -0,0 +1,97 @@
/*
* simple-card-core.c
*
* Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/of.h>
#include <sound/simple_card_utils.h>
int asoc_simple_card_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;
int prefix_len = prefix ? strlen(prefix) : 0;
unsigned int daifmt;
daifmt = snd_soc_of_parse_daifmt(node, prefix,
&bitclkmaster, &framemaster);
daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
if (prefix_len && !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_card_parse_daifmt);
int asoc_simple_card_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_card_set_dailink_name);
int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
char *prefix)
{
char prop[128];
int ret;
snprintf(prop, sizeof(prop), "%sname", prefix);
/* Parse the card name from DT */
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_card_parse_card_name);

274
sound/soc/generic/simple-card.c
View File

@ -21,6 +21,12 @@
#include <sound/soc-dai.h>
#include <sound/soc.h>
struct asoc_simple_jack {
struct snd_soc_jack jack;
struct snd_soc_jack_pin pin;
struct snd_soc_jack_gpio gpio;
};
struct simple_card_data {
struct snd_soc_card snd_card;
struct simple_dai_props {
@ -29,10 +35,8 @@ struct simple_card_data {
unsigned int mclk_fs;
} *dai_props;
unsigned int mclk_fs;
int gpio_hp_det;
int gpio_hp_det_invert;
int gpio_mic_det;
int gpio_mic_det_invert;
struct asoc_simple_jack hp_jack;
struct asoc_simple_jack mic_jack;
struct snd_soc_dai_link dai_link[]; /* dynamically allocated */
};
@ -40,6 +44,69 @@ struct simple_card_data {
#define simple_priv_to_link(priv, i) ((priv)->snd_card.dai_link + i)
#define simple_priv_to_props(priv, i) ((priv)->dai_props + i)
#define PREFIX "simple-audio-card,"
#define asoc_simple_card_init_hp(card, sjack, prefix)\
asoc_simple_card_init_jack(card, sjack, 1, prefix)
#define asoc_simple_card_init_mic(card, sjack, prefix)\
asoc_simple_card_init_jack(card, sjack, 0, prefix)
static int asoc_simple_card_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;
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;
}
static void asoc_simple_card_remove_jack(struct asoc_simple_jack *sjack)
{
if (gpio_is_valid(sjack->gpio.gpio))
snd_soc_jack_free_gpios(&sjack->jack, 1, &sjack->gpio);
}
static int asoc_simple_card_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
@ -110,32 +177,6 @@ static struct snd_soc_ops asoc_simple_card_ops = {
.hw_params = asoc_simple_card_hw_params,
};
static struct snd_soc_jack simple_card_hp_jack;
static struct snd_soc_jack_pin simple_card_hp_jack_pins[] = {
{
.pin = "Headphones",
.mask = SND_JACK_HEADPHONE,
},
};
static struct snd_soc_jack_gpio simple_card_hp_jack_gpio = {
.name = "Headphone detection",
.report = SND_JACK_HEADPHONE,
.debounce_time = 150,
};
static struct snd_soc_jack simple_card_mic_jack;
static struct snd_soc_jack_pin simple_card_mic_jack_pins[] = {
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
};
static struct snd_soc_jack_gpio simple_card_mic_jack_gpio = {
.name = "Mic detection",
.report = SND_JACK_MICROPHONE,
.debounce_time = 150,
};
static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
struct asoc_simple_dai *set)
{
@ -184,30 +225,14 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
if (ret < 0)
return ret;
if (gpio_is_valid(priv->gpio_hp_det)) {
snd_soc_card_jack_new(rtd->card, "Headphones",
SND_JACK_HEADPHONE,
&simple_card_hp_jack,
simple_card_hp_jack_pins,
ARRAY_SIZE(simple_card_hp_jack_pins));
ret = asoc_simple_card_init_hp(rtd->card, &priv->hp_jack, PREFIX);
if (ret < 0)
return ret;
simple_card_hp_jack_gpio.gpio = priv->gpio_hp_det;
simple_card_hp_jack_gpio.invert = priv->gpio_hp_det_invert;
snd_soc_jack_add_gpios(&simple_card_hp_jack, 1,
&simple_card_hp_jack_gpio);
}
ret = asoc_simple_card_init_mic(rtd->card, &priv->hp_jack, PREFIX);
if (ret < 0)
return ret;
if (gpio_is_valid(priv->gpio_mic_det)) {
snd_soc_card_jack_new(rtd->card, "Mic Jack",
SND_JACK_MICROPHONE,
&simple_card_mic_jack,
simple_card_mic_jack_pins,
ARRAY_SIZE(simple_card_mic_jack_pins));
simple_card_mic_jack_gpio.gpio = priv->gpio_mic_det;
simple_card_mic_jack_gpio.invert = priv->gpio_mic_det_invert;
snd_soc_jack_add_gpios(&simple_card_mic_jack, 1,
&simple_card_mic_jack_gpio);
}
return 0;
}
@ -223,6 +248,9 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
u32 val;
int ret;
if (!np)
return 0;
/*
* Get node via "sound-dai = <&phandle port>"
* it will be used as xxx_of_node on soc_bind_dai_link()
@ -238,9 +266,14 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
*args_count = args.args_count;
/* Get dai->name */
ret = snd_soc_of_get_dai_name(np, name);
if (ret < 0)
return ret;
if (name) {
ret = snd_soc_of_get_dai_name(np, name);
if (ret < 0)
return ret;
}
if (!dai)
return 0;
/* Parse TDM slot */
ret = snd_soc_of_parse_tdm_slot(np, &dai->tx_slot_mask,
@ -275,48 +308,6 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
return 0;
}
static int asoc_simple_card_parse_daifmt(struct device_node *node,
struct simple_card_data *priv,
struct device_node *codec,
char *prefix, int idx)
{
struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx);
struct device *dev = simple_priv_to_dev(priv);
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 (strlen(prefix) && !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;
}
dai_link->dai_fmt = daifmt;
of_node_put(bitclkmaster);
of_node_put(framemaster);
return 0;
}
static int asoc_simple_card_dai_link_of(struct device_node *node,
struct simple_card_data *priv,
int idx,
@ -328,7 +319,6 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
struct device_node *cpu = NULL;
struct device_node *plat = NULL;
struct device_node *codec = NULL;
char *name;
char prop[128];
char *prefix = "";
int ret, cpu_args;
@ -336,7 +326,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
/* For single DAI link & old style of DT node */
if (is_top_level_node)
prefix = "simple-audio-card,";
prefix = PREFIX;
snprintf(prop, sizeof(prop), "%scpu", prefix);
cpu = of_get_child_by_name(node, prop);
@ -353,8 +343,8 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
goto dai_link_of_err;
}
ret = asoc_simple_card_parse_daifmt(node, priv,
codec, prefix, idx);
ret = asoc_simple_card_parse_daifmt(dev, node, codec,
prefix, &dai_link->dai_fmt);
if (ret < 0)
goto dai_link_of_err;
@ -374,35 +364,28 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_sub_parse_of(plat, NULL,
&dai_link->platform_of_node,
NULL, NULL);
if (ret < 0)
goto dai_link_of_err;
if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) {
ret = -EINVAL;
goto dai_link_of_err;
}
if (plat) {
struct of_phandle_args args;
ret = of_parse_phandle_with_args(plat, "sound-dai",
"#sound-dai-cells", 0, &args);
dai_link->platform_of_node = args.np;
} else {
/* Assumes platform == cpu */
/* Assumes platform == cpu */
if (!dai_link->platform_of_node)
dai_link->platform_of_node = dai_link->cpu_of_node;
}
/* DAI link name is created from CPU/CODEC dai name */
name = devm_kzalloc(dev,
strlen(dai_link->cpu_dai_name) +
strlen(dai_link->codec_dai_name) + 2,
GFP_KERNEL);
if (!name) {
ret = -ENOMEM;
ret = asoc_simple_card_set_dailink_name(dev, dai_link,
"%s-%s",
dai_link->cpu_dai_name,
dai_link->codec_dai_name);
if (ret < 0)
goto dai_link_of_err;
}
sprintf(name, "%s-%s", dai_link->cpu_dai_name,
dai_link->codec_dai_name);
dai_link->name = dai_link->stream_name = name;
dai_link->ops = &asoc_simple_card_ops;
dai_link->init = asoc_simple_card_dai_init;
@ -438,42 +421,35 @@ static int asoc_simple_card_parse_of(struct device_node *node,
struct simple_card_data *priv)
{
struct device *dev = simple_priv_to_dev(priv);
enum of_gpio_flags flags;
u32 val;
int ret;
if (!node)
return -EINVAL;
/* Parse the card name from DT */
snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name");
/* The off-codec widgets */
if (of_property_read_bool(node, "simple-audio-card,widgets")) {
if (of_property_read_bool(node, PREFIX "widgets")) {
ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card,
"simple-audio-card,widgets");
PREFIX "widgets");
if (ret)
return ret;
}
/* DAPM routes */
if (of_property_read_bool(node, "simple-audio-card,routing")) {
if (of_property_read_bool(node, PREFIX "routing")) {
ret = snd_soc_of_parse_audio_routing(&priv->snd_card,
"simple-audio-card,routing");
PREFIX "routing");
if (ret)
return ret;
}
/* Factor to mclk, used in hw_params() */
ret = of_property_read_u32(node, "simple-audio-card,mclk-fs", &val);
ret = of_property_read_u32(node, PREFIX "mclk-fs", &val);
if (ret == 0)
priv->mclk_fs = val;
dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ?
priv->snd_card.name : "");
/* Single/Muti DAI link(s) & New style of DT node */
if (of_get_child_by_name(node, "simple-audio-card,dai-link")) {
if (of_get_child_by_name(node, PREFIX "dai-link")) {
struct device_node *np = NULL;
int i = 0;
@ -494,20 +470,9 @@ static int asoc_simple_card_parse_of(struct device_node *node,
return ret;
}
priv->gpio_hp_det = of_get_named_gpio_flags(node,
"simple-audio-card,hp-det-gpio", 0, &flags);
priv->gpio_hp_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW);
if (priv->gpio_hp_det == -EPROBE_DEFER)
return -EPROBE_DEFER;
priv->gpio_mic_det = of_get_named_gpio_flags(node,
"simple-audio-card,mic-det-gpio", 0, &flags);
priv->gpio_mic_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW);
if (priv->gpio_mic_det == -EPROBE_DEFER)
return -EPROBE_DEFER;
if (!priv->snd_card.name)
priv->snd_card.name = priv->snd_card.dai_link->name;
ret = asoc_simple_card_parse_card_name(&priv->snd_card, PREFIX);
if (ret)
return ret;
return 0;
}
@ -536,7 +501,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
int num_links, ret;
/* Get the number of DAI links */
if (np && of_get_child_by_name(np, "simple-audio-card,dai-link"))
if (np && of_get_child_by_name(np, PREFIX "dai-link"))
num_links = of_get_child_count(np);
else
num_links = 1;
@ -555,9 +520,6 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
priv->snd_card.dai_link = dai_link;
priv->snd_card.num_links = num_links;
priv->gpio_hp_det = -ENOENT;
priv->gpio_mic_det = -ENOENT;
/* Get room for the other properties */
priv->dai_props = devm_kzalloc(dev,
sizeof(*priv->dai_props) * num_links,
@ -624,12 +586,8 @@ static int asoc_simple_card_remove(struct platform_device *pdev)
struct snd_soc_card *card = platform_get_drvdata(pdev);
struct simple_card_data *priv = snd_soc_card_get_drvdata(card);
if (gpio_is_valid(priv->gpio_hp_det))
snd_soc_jack_free_gpios(&simple_card_hp_jack, 1,
&simple_card_hp_jack_gpio);
if (gpio_is_valid(priv->gpio_mic_det))
snd_soc_jack_free_gpios(&simple_card_mic_jack, 1,
&simple_card_mic_jack_gpio);
asoc_simple_card_remove_jack(&priv->hp_jack);
asoc_simple_card_remove_jack(&priv->mic_jack);
return asoc_simple_card_unref(card);
}

1
sound/soc/sh/Kconfig
View File

@ -44,6 +44,7 @@ config SND_SOC_RCAR
config SND_SOC_RSRC_CARD
tristate "Renesas Sampling Rate Convert Sound Card"
select SND_SIMPLE_CARD_UTILS
help
This option enables simple sound if you need sampling rate convert

38
sound/soc/sh/rcar/rsrc-card.c
View File

@ -20,6 +20,7 @@
#include <sound/jack.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <sound/simple_card_utils.h>
struct rsrc_card_of_data {
const char *prefix;
@ -158,38 +159,6 @@ static int rsrc_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
return 0;
}
static int rsrc_card_parse_daifmt(struct device_node *node,
struct device_node *codec,
struct rsrc_card_priv *priv,
struct snd_soc_dai_link *dai_link,
unsigned int *retfmt)
{
struct device_node *bitclkmaster = NULL;
struct device_node *framemaster = NULL;
unsigned int daifmt;
daifmt = snd_soc_of_parse_daifmt(node, NULL,
&bitclkmaster, &framemaster);
daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
if (!bitclkmaster && !framemaster)
return -EINVAL;
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;
}
static int rsrc_card_parse_links(struct device_node *np,
struct rsrc_card_priv *priv,
int idx, bool is_fe)
@ -357,6 +326,7 @@ static int rsrc_card_dai_sub_link_of(struct device_node *node,
static int rsrc_card_dai_link_of(struct device_node *node,
struct rsrc_card_priv *priv)
{
struct device *dev = rsrc_priv_to_dev(priv);
struct snd_soc_dai_link *dai_link;
struct device_node *np;
unsigned int daifmt = 0;
@ -369,8 +339,8 @@ static int rsrc_card_dai_link_of(struct device_node *node,
dai_link = rsrc_priv_to_link(priv, i);
if (strcmp(np->name, "codec") == 0) {
ret = rsrc_card_parse_daifmt(node, np, priv,
dai_link, &daifmt);
ret = asoc_simple_card_parse_daifmt(dev, node, np,
NULL, &daifmt);
if (ret < 0)
return ret;
break;