ASoC: omap-twl4030: Simple machine driver for TI SoC with twl4030 codec
Machine driver to handle simple devices using twl4030 as audio codec. The driver supports the following boards: - Beagleboard or Devkit8000 - Gumstix Overo or CompuLab CM-T35/CM-T3730 - IGEP v2 - OMAP3EVM All of these boards can be switched to use this driver since their setup is identical. Devicetree support for the omap-twl4030 machine driver also implemented. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
parent
0d7614f09c
commit
fff8491c8b
17
Documentation/devicetree/bindings/sound/omap-twl4030.txt
Normal file
17
Documentation/devicetree/bindings/sound/omap-twl4030.txt
Normal file
|
@ -0,0 +1,17 @@
|
|||
* Texas Instruments SoC with twl4030 based audio setups
|
||||
|
||||
Required properties:
|
||||
- compatible: "ti,omap-twl4030"
|
||||
- ti,model: Name of the sound card (for example "omap3beagle")
|
||||
- ti,mcbsp: phandle for the McBSP node
|
||||
- ti,codec: phandle for the twl4030 audio node
|
||||
|
||||
Example:
|
||||
|
||||
sound {
|
||||
compatible = "ti,omap-twl4030";
|
||||
ti,model = "omap3beagle";
|
||||
|
||||
ti,mcbsp = <&mcbsp2>;
|
||||
ti,codec = <&twl_audio>;
|
||||
};
|
32
include/linux/platform_data/omap-twl4030.h
Normal file
32
include/linux/platform_data/omap-twl4030.h
Normal file
|
@ -0,0 +1,32 @@
|
|||
/**
|
||||
* omap-twl4030.h - ASoC machine driver for TI SoC based boards with twl4030
|
||||
* codec, header.
|
||||
*
|
||||
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
|
||||
* All rights reserved.
|
||||
*
|
||||
* Author: Peter Ujfalusi <peter.ujfalusi@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
|
||||
*/
|
||||
|
||||
#ifndef _OMAP_TWL4030_H_
|
||||
#define _OMAP_TWL4030_H_
|
||||
|
||||
struct omap_tw4030_pdata {
|
||||
const char *card_name;
|
||||
};
|
||||
|
||||
#endif /* _OMAP_TWL4030_H_ */
|
|
@ -95,6 +95,19 @@ config SND_OMAP_SOC_SDP3430
|
|||
Say Y if you want to add support for SoC audio on Texas Instruments
|
||||
SDP3430.
|
||||
|
||||
config SND_OMAP_SOC_OMAP_TWL4030
|
||||
tristate "SoC Audio support for TI SoC based boards with twl4030 codec"
|
||||
depends on TWL4030_CORE && SND_OMAP_SOC
|
||||
select SND_OMAP_SOC_MCBSP
|
||||
select SND_SOC_TWL4030
|
||||
help
|
||||
Say Y if you want to add support for SoC audio on TI SoC based boards
|
||||
using twl4030 as c codec. This driver currently supports:
|
||||
- Beagleboard or Devkit8000
|
||||
- Gumstix Overo or CompuLab CM-T35/CM-T3730
|
||||
- IGEP v2
|
||||
- OMAP3EVM
|
||||
|
||||
config SND_OMAP_SOC_OMAP_ABE_TWL6040
|
||||
tristate "SoC Audio support for OMAP boards using ABE and twl6040 codec"
|
||||
depends on TWL6040_CORE && SND_OMAP_SOC && ARCH_OMAP4
|
||||
|
|
|
@ -21,6 +21,7 @@ snd-soc-omap3evm-objs := omap3evm.o
|
|||
snd-soc-am3517evm-objs := am3517evm.o
|
||||
snd-soc-sdp3430-objs := sdp3430.o
|
||||
snd-soc-omap-abe-twl6040-objs := omap-abe-twl6040.o
|
||||
snd-soc-omap-twl4030-objs := omap-twl4030.o
|
||||
snd-soc-omap3pandora-objs := omap3pandora.o
|
||||
snd-soc-omap3beagle-objs := omap3beagle.o
|
||||
snd-soc-zoom2-objs := zoom2.o
|
||||
|
@ -37,6 +38,7 @@ obj-$(CONFIG_SND_OMAP_SOC_OMAP3EVM) += snd-soc-omap3evm.o
|
|||
obj-$(CONFIG_SND_OMAP_SOC_AM3517EVM) += snd-soc-am3517evm.o
|
||||
obj-$(CONFIG_SND_OMAP_SOC_SDP3430) += snd-soc-sdp3430.o
|
||||
obj-$(CONFIG_SND_OMAP_SOC_OMAP_ABE_TWL6040) += snd-soc-omap-abe-twl6040.o
|
||||
obj-$(CONFIG_SND_OMAP_SOC_OMAP_TWL4030) += snd-soc-omap-twl4030.o
|
||||
obj-$(CONFIG_SND_OMAP_SOC_OMAP3_PANDORA) += snd-soc-omap3pandora.o
|
||||
obj-$(CONFIG_SND_OMAP_SOC_OMAP3_BEAGLE) += snd-soc-omap3beagle.o
|
||||
obj-$(CONFIG_SND_OMAP_SOC_ZOOM2) += snd-soc-zoom2.o
|
||||
|
|
188
sound/soc/omap/omap-twl4030.c
Normal file
188
sound/soc/omap/omap-twl4030.c
Normal file
|
@ -0,0 +1,188 @@
|
|||
/*
|
||||
* omap-twl4030.c -- SoC audio for TI SoC based boards with twl4030 codec
|
||||
*
|
||||
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
|
||||
* All rights reserved.
|
||||
*
|
||||
* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
|
||||
*
|
||||
* This driver replaces the following machine drivers:
|
||||
* omap3beagle (Author: Steve Sakoman <steve@sakoman.com>)
|
||||
* omap3evm (Author: Anuj Aggarwal <anuj.aggarwal@ti.com>)
|
||||
* overo (Author: Steve Sakoman <steve@sakoman.com>)
|
||||
* igep0020 (Author: Enric Balletbo i Serra <eballetbo@iseebcn.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/platform_device.h>
|
||||
#include <linux/platform_data/omap-twl4030.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/of.h>
|
||||
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
#include <sound/soc.h>
|
||||
|
||||
#include "omap-mcbsp.h"
|
||||
#include "omap-pcm.h"
|
||||
|
||||
static int omap_twl4030_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_codec *codec = rtd->codec;
|
||||
struct snd_soc_card *card = codec->card;
|
||||
unsigned int fmt;
|
||||
int ret;
|
||||
|
||||
switch (params_channels(params)) {
|
||||
case 2: /* Stereo I2S mode */
|
||||
fmt = SND_SOC_DAIFMT_I2S |
|
||||
SND_SOC_DAIFMT_NB_NF |
|
||||
SND_SOC_DAIFMT_CBM_CFM;
|
||||
break;
|
||||
case 4: /* Four channel TDM mode */
|
||||
fmt = SND_SOC_DAIFMT_DSP_A |
|
||||
SND_SOC_DAIFMT_IB_NF |
|
||||
SND_SOC_DAIFMT_CBM_CFM;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* Set codec DAI configuration */
|
||||
ret = snd_soc_dai_set_fmt(codec_dai, fmt);
|
||||
if (ret < 0) {
|
||||
dev_err(card->dev, "can't set codec DAI configuration\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Set cpu DAI configuration */
|
||||
ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
|
||||
if (ret < 0) {
|
||||
dev_err(card->dev, "can't set cpu DAI configuration\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct snd_soc_ops omap_twl4030_ops = {
|
||||
.hw_params = omap_twl4030_hw_params,
|
||||
};
|
||||
|
||||
/* Digital audio interface glue - connects codec <--> CPU */
|
||||
static struct snd_soc_dai_link omap_twl4030_dai_links[] = {
|
||||
{
|
||||
.name = "TWL4030",
|
||||
.stream_name = "TWL4030",
|
||||
.cpu_dai_name = "omap-mcbsp.2",
|
||||
.codec_dai_name = "twl4030-hifi",
|
||||
.platform_name = "omap-pcm-audio",
|
||||
.codec_name = "twl4030-codec",
|
||||
.ops = &omap_twl4030_ops,
|
||||
},
|
||||
};
|
||||
|
||||
/* Audio machine driver */
|
||||
static struct snd_soc_card omap_twl4030_card = {
|
||||
.owner = THIS_MODULE,
|
||||
.dai_link = omap_twl4030_dai_links,
|
||||
.num_links = ARRAY_SIZE(omap_twl4030_dai_links),
|
||||
};
|
||||
|
||||
static __devinit int omap_twl4030_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct omap_tw4030_pdata *pdata = dev_get_platdata(&pdev->dev);
|
||||
struct device_node *node = pdev->dev.of_node;
|
||||
struct snd_soc_card *card = &omap_twl4030_card;
|
||||
int ret = 0;
|
||||
|
||||
card->dev = &pdev->dev;
|
||||
|
||||
if (node) {
|
||||
struct device_node *dai_node;
|
||||
|
||||
if (snd_soc_of_parse_card_name(card, "ti,model")) {
|
||||
dev_err(&pdev->dev, "Card name is not provided\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
dai_node = of_parse_phandle(node, "ti,mcbsp", 0);
|
||||
if (!dai_node) {
|
||||
dev_err(&pdev->dev, "McBSP node is not provided\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
omap_twl4030_dai_links[0].cpu_dai_name = NULL;
|
||||
omap_twl4030_dai_links[0].cpu_of_node = dai_node;
|
||||
|
||||
} else if (pdata) {
|
||||
if (pdata->card_name) {
|
||||
card->name = pdata->card_name;
|
||||
} else {
|
||||
dev_err(&pdev->dev, "Card name is not provided\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
} else {
|
||||
dev_err(&pdev->dev, "Missing pdata\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ret = snd_soc_register_card(card);
|
||||
if (ret) {
|
||||
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
|
||||
ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __devexit omap_twl4030_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
||||
|
||||
snd_soc_unregister_card(card);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id omap_twl4030_of_match[] = {
|
||||
{.compatible = "ti,omap-twl4030", },
|
||||
{ },
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, omap_twl4030_of_match);
|
||||
|
||||
static struct platform_driver omap_twl4030_driver = {
|
||||
.driver = {
|
||||
.name = "omap-twl4030",
|
||||
.owner = THIS_MODULE,
|
||||
.pm = &snd_soc_pm_ops,
|
||||
.of_match_table = omap_twl4030_of_match,
|
||||
},
|
||||
.probe = omap_twl4030_probe,
|
||||
.remove = __devexit_p(omap_twl4030_remove),
|
||||
};
|
||||
|
||||
module_platform_driver(omap_twl4030_driver);
|
||||
|
||||
MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
|
||||
MODULE_DESCRIPTION("ALSA SoC for TI SoC based boards with twl4030 codec");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("platform:omap-twl4030");
|
Loading…
Reference in a new issue