8d946dd7dc
We can have machines without DMIC connected. In this case there is no need to create amother (unusable) capture PCM on the card. The existence of the DMIC connection can be checked via pdata->has_dmic. Select the correct dai_link structure for the card based on pdata->has_dmic. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
321 lines
8 KiB
C
321 lines
8 KiB
C
/*
|
|
* omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and
|
|
* twl6040 codec
|
|
*
|
|
* Author: Misael Lopez Cruz <misael.lopez@ti.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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mfd/twl6040.h>
|
|
#include <linux/platform_data/omap-abe-twl6040.h>
|
|
#include <linux/module.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/jack.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <plat/hardware.h>
|
|
#include <plat/mux.h>
|
|
|
|
#include "omap-dmic.h"
|
|
#include "omap-mcpdm.h"
|
|
#include "omap-pcm.h"
|
|
#include "../codecs/twl6040.h"
|
|
|
|
static int omap_abe_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;
|
|
int clk_id, freq;
|
|
int ret;
|
|
|
|
clk_id = twl6040_get_clk_id(rtd->codec);
|
|
if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
|
|
freq = 38400000;
|
|
else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
|
|
freq = 32768;
|
|
else
|
|
return -EINVAL;
|
|
|
|
/* set the codec mclk */
|
|
ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
|
|
SND_SOC_CLOCK_IN);
|
|
if (ret) {
|
|
printk(KERN_ERR "can't set codec system clock\n");
|
|
return ret;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static struct snd_soc_ops omap_abe_ops = {
|
|
.hw_params = omap_abe_hw_params,
|
|
};
|
|
|
|
static int omap_abe_dmic_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 *cpu_dai = rtd->cpu_dai;
|
|
int ret = 0;
|
|
|
|
ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
|
|
19200000, SND_SOC_CLOCK_IN);
|
|
if (ret < 0) {
|
|
printk(KERN_ERR "can't set DMIC cpu system clock\n");
|
|
return ret;
|
|
}
|
|
ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
|
|
SND_SOC_CLOCK_OUT);
|
|
if (ret < 0) {
|
|
printk(KERN_ERR "can't set DMIC output clock\n");
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_ops omap_abe_dmic_ops = {
|
|
.hw_params = omap_abe_dmic_hw_params,
|
|
};
|
|
|
|
/* Headset jack */
|
|
static struct snd_soc_jack hs_jack;
|
|
|
|
/*Headset jack detection DAPM pins */
|
|
static struct snd_soc_jack_pin hs_jack_pins[] = {
|
|
{
|
|
.pin = "Headset Mic",
|
|
.mask = SND_JACK_MICROPHONE,
|
|
},
|
|
{
|
|
.pin = "Headset Stereophone",
|
|
.mask = SND_JACK_HEADPHONE,
|
|
},
|
|
};
|
|
|
|
/* SDP4430 machine DAPM */
|
|
static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
|
|
/* Outputs */
|
|
SND_SOC_DAPM_HP("Headset Stereophone", NULL),
|
|
SND_SOC_DAPM_SPK("Earphone Spk", NULL),
|
|
SND_SOC_DAPM_SPK("Ext Spk", NULL),
|
|
SND_SOC_DAPM_LINE("Line Out", NULL),
|
|
SND_SOC_DAPM_SPK("Vibrator", NULL),
|
|
|
|
/* Inputs */
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
|
SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
|
|
SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
|
|
SND_SOC_DAPM_LINE("Line In", NULL),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route audio_map[] = {
|
|
/* Routings for outputs */
|
|
{"Headset Stereophone", NULL, "HSOL"},
|
|
{"Headset Stereophone", NULL, "HSOR"},
|
|
|
|
{"Earphone Spk", NULL, "EP"},
|
|
|
|
{"Ext Spk", NULL, "HFL"},
|
|
{"Ext Spk", NULL, "HFR"},
|
|
|
|
{"Line Out", NULL, "AUXL"},
|
|
{"Line Out", NULL, "AUXR"},
|
|
|
|
{"Vibrator", NULL, "VIBRAL"},
|
|
{"Vibrator", NULL, "VIBRAR"},
|
|
|
|
/* Routings for inputs */
|
|
{"HSMIC", NULL, "Headset Mic"},
|
|
{"Headset Mic", NULL, "Headset Mic Bias"},
|
|
|
|
{"MAINMIC", NULL, "Main Handset Mic"},
|
|
{"Main Handset Mic", NULL, "Main Mic Bias"},
|
|
|
|
{"SUBMIC", NULL, "Sub Handset Mic"},
|
|
{"Sub Handset Mic", NULL, "Main Mic Bias"},
|
|
|
|
{"AFML", NULL, "Line In"},
|
|
{"AFMR", NULL, "Line In"},
|
|
};
|
|
|
|
static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
int ret, hs_trim;
|
|
|
|
/*
|
|
* Configure McPDM offset cancellation based on the HSOTRIM value from
|
|
* twl6040.
|
|
*/
|
|
hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
|
|
omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
|
|
TWL6040_HSF_TRIM_RIGHT(hs_trim));
|
|
|
|
/* Headset jack detection */
|
|
ret = snd_soc_jack_new(codec, "Headset Jack",
|
|
SND_JACK_HEADSET, &hs_jack);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
|
|
hs_jack_pins);
|
|
|
|
if (machine_is_omap_4430sdp())
|
|
twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
|
|
else
|
|
snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = {
|
|
SND_SOC_DAPM_MIC("Digital Mic", NULL),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route dmic_audio_map[] = {
|
|
{"DMic", NULL, "Digital Mic"},
|
|
{"Digital Mic", NULL, "Digital Mic1 Bias"},
|
|
};
|
|
|
|
static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
struct snd_soc_dapm_context *dapm = &codec->dapm;
|
|
int ret;
|
|
|
|
ret = snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets,
|
|
ARRAY_SIZE(dmic_dapm_widgets));
|
|
if (ret)
|
|
return ret;
|
|
|
|
return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
|
|
ARRAY_SIZE(dmic_audio_map));
|
|
}
|
|
|
|
/* Digital audio interface glue - connects codec <--> CPU */
|
|
static struct snd_soc_dai_link twl6040_dmic_dai[] = {
|
|
{
|
|
.name = "TWL6040",
|
|
.stream_name = "TWL6040",
|
|
.cpu_dai_name = "omap-mcpdm",
|
|
.codec_dai_name = "twl6040-legacy",
|
|
.platform_name = "omap-pcm-audio",
|
|
.codec_name = "twl6040-codec",
|
|
.init = omap_abe_twl6040_init,
|
|
.ops = &omap_abe_ops,
|
|
},
|
|
{
|
|
.name = "DMIC",
|
|
.stream_name = "DMIC Capture",
|
|
.cpu_dai_name = "omap-dmic",
|
|
.codec_dai_name = "dmic-hifi",
|
|
.platform_name = "omap-pcm-audio",
|
|
.codec_name = "dmic-codec",
|
|
.init = omap_abe_dmic_init,
|
|
.ops = &omap_abe_dmic_ops,
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_dai_link twl6040_only_dai[] = {
|
|
{
|
|
.name = "TWL6040",
|
|
.stream_name = "TWL6040",
|
|
.cpu_dai_name = "omap-mcpdm",
|
|
.codec_dai_name = "twl6040-legacy",
|
|
.platform_name = "omap-pcm-audio",
|
|
.codec_name = "twl6040-codec",
|
|
.init = omap_abe_twl6040_init,
|
|
.ops = &omap_abe_ops,
|
|
},
|
|
};
|
|
|
|
/* Audio machine driver */
|
|
static struct snd_soc_card omap_abe_card = {
|
|
.owner = THIS_MODULE,
|
|
|
|
.dapm_widgets = twl6040_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
|
|
.dapm_routes = audio_map,
|
|
.num_dapm_routes = ARRAY_SIZE(audio_map),
|
|
};
|
|
|
|
static __devinit int omap_abe_probe(struct platform_device *pdev)
|
|
{
|
|
struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
|
|
struct snd_soc_card *card = &omap_abe_card;
|
|
int ret;
|
|
|
|
card->dev = &pdev->dev;
|
|
|
|
if (!pdata) {
|
|
dev_err(&pdev->dev, "Missing pdata\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (pdata->card_name) {
|
|
card->name = pdata->card_name;
|
|
} else {
|
|
dev_err(&pdev->dev, "Card name is not provided\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (pdata->has_dmic) {
|
|
card->dai_link = twl6040_dmic_dai;
|
|
card->num_links = ARRAY_SIZE(twl6040_dmic_dai);
|
|
} else {
|
|
card->dai_link = twl6040_only_dai;
|
|
card->num_links = ARRAY_SIZE(twl6040_only_dai);
|
|
}
|
|
|
|
ret = snd_soc_register_card(card);
|
|
if (ret)
|
|
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
|
|
ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int __devexit omap_abe_remove(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
|
|
|
snd_soc_unregister_card(card);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver omap_abe_driver = {
|
|
.driver = {
|
|
.name = "omap-abe-twl6040",
|
|
.owner = THIS_MODULE,
|
|
.pm = &snd_soc_pm_ops,
|
|
},
|
|
.probe = omap_abe_probe,
|
|
.remove = __devexit_p(omap_abe_remove),
|
|
};
|
|
|
|
module_platform_driver(omap_abe_driver);
|
|
|
|
MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
|
|
MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:omap-abe-twl6040");
|