Signed-off-by: Tomoya MORINAGA tomoya.rohm@gmail.com --- V3 Update Mark's comments - Delete i2c_board_info data structure. - Delete i2c_new_device/i2c_put_adapter. - Delete .startup method. - Add error processing for failure of snd_soc_unregister_card. - Add MODULE_ALIAS - Change platform_driver name - Set to .dai_fmt of snd_soc_dai_link not use snd_soc_dai_set_fmt --- sound/soc/Kconfig | 1 + sound/soc/Makefile | 1 + sound/soc/lapis/Kconfig | 5 + sound/soc/lapis/Makefile | 5 + sound/soc/lapis/ml7213ioh-machine.c | 158 +++++++++++++++++++++++++++++++++++ 5 files changed, 170 insertions(+), 0 deletions(-) create mode 100644 sound/soc/lapis/Kconfig create mode 100644 sound/soc/lapis/Makefile create mode 100644 sound/soc/lapis/ml7213ioh-machine.c

diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig index 35e662d..63f8582 100644 --- a/sound/soc/Kconfig +++ b/sound/soc/Kconfig @@ -34,6 +34,7 @@ source "sound/soc/ep93xx/Kconfig" source "sound/soc/fsl/Kconfig" source "sound/soc/imx/Kconfig" source "sound/soc/jz4740/Kconfig" +source "sound/soc/lapis/Kconfig" source "sound/soc/nuc900/Kconfig" source "sound/soc/omap/Kconfig" source "sound/soc/kirkwood/Kconfig" diff --git a/sound/soc/Makefile b/sound/soc/Makefile index 9ea8ac8..002951f 100644 --- a/sound/soc/Makefile +++ b/sound/soc/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_SND_SOC) += ep93xx/ obj-$(CONFIG_SND_SOC) += fsl/ obj-$(CONFIG_SND_SOC) += imx/ obj-$(CONFIG_SND_SOC) += jz4740/ +obj-$(CONFIG_SND_SOC) += lapis/ obj-$(CONFIG_SND_SOC) += mid-x86/ obj-$(CONFIG_SND_SOC) += mxs/ obj-$(CONFIG_SND_SOC) += nuc900/ diff --git a/sound/soc/lapis/Kconfig b/sound/soc/lapis/Kconfig new file mode 100644 index 0000000..f6c2fe5 --- /dev/null +++ b/sound/soc/lapis/Kconfig @@ -0,0 +1,5 @@ +config SND_SOC_ML7213_MACHINE + tristate "ML7213 IOH ASoC machine driver" + select SND_SOC_ML7213_PLATFORM + help + This is ASoC machine driver for ML7213 IOH diff --git a/sound/soc/lapis/Makefile b/sound/soc/lapis/Makefile new file mode 100644 index 0000000..3560bd7 --- /dev/null +++ b/sound/soc/lapis/Makefile @@ -0,0 +1,5 @@ +# Platform +snd-soc-ml7213-machine-objs := ml7213ioh-machine.o + +obj-$(CONFIG_SND_SOC_ML7213_PLATFORM) += snd-soc-ml7213-machine.o + diff --git a/sound/soc/lapis/ml7213ioh-machine.c b/sound/soc/lapis/ml7213ioh-machine.c new file mode 100644 index 0000000..28e7919 --- /dev/null +++ b/sound/soc/lapis/ml7213ioh-machine.c @@ -0,0 +1,158 @@ +/* + * ml7213ioh-machine.c -- SoC Audio for LAPIS Semiconductor ML7213 IOH CRB + * + * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. + * + * 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; version 2 of the License. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ +#include <linux/module.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <linux/i2c.h> +#include "../codecs/ml26124.h" + +static const struct snd_soc_dapm_widget ml7213_dapm_widgets[] = { + SND_SOC_DAPM_SPK("Speaker", NULL), + SND_SOC_DAPM_LINE("LINEOUT", NULL), + SND_SOC_DAPM_LINE("LINEIN", NULL), + SND_SOC_DAPM_MIC("AnalogMIC", NULL), + SND_SOC_DAPM_MIC("DigitalMIC", NULL), +}; + +static const struct snd_soc_dapm_route ml7213_routes[] = { + {"Speaker", NULL, "SPOUT"}, + {"LINEOUT", NULL, "LOUT"}, + {"MIN", NULL, "AnalogMIC"}, + {"MDIN", NULL, "DigitalMIC"}, + {"MIN", NULL, "LINEIN"}, +}; + +static int ml7213_ioh_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + + snd_soc_dapm_new_controls(dapm, ml7213_dapm_widgets, + ARRAY_SIZE(ml7213_dapm_widgets)); + + snd_soc_dapm_add_routes(dapm, ml7213_routes, ARRAY_SIZE(ml7213_routes)); + snd_soc_dapm_sync(dapm); + + return 0; +} + +static int ml7213_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; + unsigned int clk = 0; + int ret = 0; + + switch (params_rate(params)) { + case 16000: + case 32000: + case 48000: + clk = 12288800; + break; + default: + return -EINVAL; + } + + /* set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, ML26124_USE_PLL, clk, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops ml7213_ops = { + .hw_params = ml7213_hw_params, +}; + +static struct snd_soc_dai_link ioh_i2s_dai = { + .name = "ML7213", + .stream_name = "I2S HiFi", + .cpu_dai_name = "ml7213-i2s", + .codec_dai_name = "ml26124-hifi", + .platform_name = "ml7213-i2s-pcm-audio", + .codec_name = "ml26124-00GD", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .init = ml7213_ioh_init, + .ops = &ml7213_ops, +}; + +static struct snd_soc_card ioh_i2s_card = { + .name = "ml7213", + .dai_link = &ioh_i2s_dai, + .num_links = 1, + .dapm_widgets = ml7213_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(ml7213_dapm_widgets), + .dapm_routes = ml7213_routes, + .num_dapm_routes = ARRAY_SIZE(ml7213_routes), +}; + +static int __init ioh_i2s_probe(struct platform_device *pdev) +{ + ioh_i2s_card.dev = &pdev->dev; + snd_soc_register_card(&ioh_i2s_card); + + return 0; +} + +static int __exit ioh_i2s_remove(struct platform_device *pdev) +{ + int ret = snd_soc_unregister_card(&ioh_i2s_card); + + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); + ioh_i2s_card.dev = NULL; + return ret; + } + + return 0; +} + +static struct platform_driver ioh_i2s_driver = { + .remove = ioh_i2s_remove, + .driver = { + .name = "ml7213ioh-i2s", + .owner = THIS_MODULE, + }, + .probe = ioh_i2s_probe, + .remove = __devexit_p(ioh_i2s_remove), +}; + +static int __init ioh_i2s_init(void) +{ + return platform_driver_register(&ioh_i2s_driver); +} + +static void __exit ioh_i2s_exit(void) +{ + return platform_driver_unregister(&ioh_i2s_driver); +} + +module_init(ioh_i2s_init); +module_exit(ioh_i2s_exit); + +MODULE_AUTHOR("Tomoya MORINAGA tomoya.rohm@gmail.com"); +MODULE_DESCRIPTION("LAPIS Semiconductor ML7213 IOH ALSA SoC machine driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:ml7213ioh-i2s");