linux-stable/sound/soc/samsung/lowland.c
Lars-Peter Clausen 239ad6a181 ASoC: lowland: Use card DAPM context to access widgets
The dapm field of the snd_soc_codec struct will eventually be removed
(replaced with the DAPM context from the component embedded inside the
CODEC). Replace its usage with the card's DAPM context. The idea is that
DAPM is hierarchical and with the card at the root it is possible to access
widgets from other contexts through the card context.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-04 13:51:19 +01:00

205 lines
5 KiB
C

/*
* Lowland audio support
*
* Copyright 2011 Wolfson Microelectronics
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include <linux/gpio.h>
#include <linux/module.h>
#include "../codecs/wm5100.h"
#include "../codecs/wm9081.h"
#define MCLK1_RATE (44100 * 512)
#define CLKOUT_RATE (44100 * 256)
static struct snd_soc_jack lowland_headset;
/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin lowland_headset_pins[] = {
{
.pin = "Headphone",
.mask = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
};
static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
int ret;
ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_SYSCLK,
WM5100_CLKSRC_MCLK1, MCLK1_RATE,
SND_SOC_CLOCK_IN);
if (ret < 0) {
pr_err("Failed to set SYSCLK clock source: %d\n", ret);
return ret;
}
/* Clock OPCLK, used by the other audio components. */
ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_OPCLK, 0,
CLKOUT_RATE, 0);
if (ret < 0) {
pr_err("Failed to set OPCLK rate: %d\n", ret);
return ret;
}
ret = snd_soc_card_jack_new(rtd->card, "Headset", SND_JACK_LINEOUT |
SND_JACK_HEADSET | SND_JACK_BTN_0,
&lowland_headset, lowland_headset_pins,
ARRAY_SIZE(lowland_headset_pins));
if (ret)
return ret;
wm5100_detect(codec, &lowland_headset);
return 0;
}
static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT");
/* At any time the WM9081 is active it will have this clock */
return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0,
CLKOUT_RATE, 0);
}
static const struct snd_soc_pcm_stream sub_params = {
.formats = SNDRV_PCM_FMTBIT_S32_LE,
.rate_min = 44100,
.rate_max = 44100,
.channels_min = 2,
.channels_max = 2,
};
static struct snd_soc_dai_link lowland_dai[] = {
{
.name = "CPU",
.stream_name = "CPU",
.cpu_dai_name = "samsung-i2s.0",
.codec_dai_name = "wm5100-aif1",
.platform_name = "samsung-i2s.0",
.codec_name = "wm5100.1-001a",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM,
.init = lowland_wm5100_init,
},
{
.name = "Baseband",
.stream_name = "Baseband",
.cpu_dai_name = "wm5100-aif2",
.codec_dai_name = "wm1250-ev1",
.codec_name = "wm1250-ev1.1-0027",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM,
.ignore_suspend = 1,
},
{
.name = "Sub Speaker",
.stream_name = "Sub Speaker",
.cpu_dai_name = "wm5100-aif3",
.codec_dai_name = "wm9081-hifi",
.codec_name = "wm9081.1-006c",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM,
.ignore_suspend = 1,
.params = &sub_params,
.init = lowland_wm9081_init,
},
};
static struct snd_soc_codec_conf lowland_codec_conf[] = {
{
.dev_name = "wm9081.1-006c",
.name_prefix = "Sub",
},
};
static const struct snd_kcontrol_new controls[] = {
SOC_DAPM_PIN_SWITCH("Main Speaker"),
SOC_DAPM_PIN_SWITCH("Main DMIC"),
SOC_DAPM_PIN_SWITCH("Main AMIC"),
SOC_DAPM_PIN_SWITCH("WM1250 Input"),
SOC_DAPM_PIN_SWITCH("WM1250 Output"),
SOC_DAPM_PIN_SWITCH("Headphone"),
};
static struct snd_soc_dapm_widget widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_SPK("Main Speaker", NULL),
SND_SOC_DAPM_MIC("Main AMIC", NULL),
SND_SOC_DAPM_MIC("Main DMIC", NULL),
};
static struct snd_soc_dapm_route audio_paths[] = {
{ "Sub IN1", NULL, "HPOUT2L" },
{ "Sub IN2", NULL, "HPOUT2R" },
{ "Main Speaker", NULL, "Sub SPKN" },
{ "Main Speaker", NULL, "Sub SPKP" },
{ "Main Speaker", NULL, "SPKDAT1" },
};
static struct snd_soc_card lowland = {
.name = "Lowland",
.owner = THIS_MODULE,
.dai_link = lowland_dai,
.num_links = ARRAY_SIZE(lowland_dai),
.codec_conf = lowland_codec_conf,
.num_configs = ARRAY_SIZE(lowland_codec_conf),
.controls = controls,
.num_controls = ARRAY_SIZE(controls),
.dapm_widgets = widgets,
.num_dapm_widgets = ARRAY_SIZE(widgets),
.dapm_routes = audio_paths,
.num_dapm_routes = ARRAY_SIZE(audio_paths),
};
static int lowland_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &lowland;
int ret;
card->dev = &pdev->dev;
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
ret);
return ret;
}
static struct platform_driver lowland_driver = {
.driver = {
.name = "lowland",
.pm = &snd_soc_pm_ops,
},
.probe = lowland_probe,
};
module_platform_driver(lowland_driver);
MODULE_DESCRIPTION("Lowland audio support");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:lowland");